Commit | Line | Data |
---|---|---|
afaf5a2d DS |
1 | /* |
2 | * QLogic iSCSI HBA Driver | |
4a4f51e9 | 3 | * Copyright (c) 2003-2013 QLogic Corporation |
afaf5a2d DS |
4 | * |
5 | * See LICENSE.qla4xxx for copyright and licensing details. | |
6 | */ | |
7 | #include <linux/moduleparam.h> | |
5a0e3ad6 | 8 | #include <linux/slab.h> |
2a991c21 MR |
9 | #include <linux/blkdev.h> |
10 | #include <linux/iscsi_boot_sysfs.h> | |
13483730 | 11 | #include <linux/inet.h> |
afaf5a2d DS |
12 | |
13 | #include <scsi/scsi_tcq.h> | |
14 | #include <scsi/scsicam.h> | |
15 | ||
16 | #include "ql4_def.h" | |
bee4fe8e DS |
17 | #include "ql4_version.h" |
18 | #include "ql4_glbl.h" | |
19 | #include "ql4_dbg.h" | |
20 | #include "ql4_inline.h" | |
6e7b4292 | 21 | #include "ql4_83xx.h" |
afaf5a2d DS |
22 | |
23 | /* | |
24 | * Driver version | |
25 | */ | |
47975477 | 26 | static char qla4xxx_version_str[40]; |
afaf5a2d DS |
27 | |
28 | /* | |
29 | * SRB allocation cache | |
30 | */ | |
e18b890b | 31 | static struct kmem_cache *srb_cachep; |
afaf5a2d DS |
32 | |
33 | /* | |
34 | * Module parameter information and variables | |
35 | */ | |
a7380a65 | 36 | static int ql4xdisablesysfsboot = 1; |
13483730 MC |
37 | module_param(ql4xdisablesysfsboot, int, S_IRUGO | S_IWUSR); |
38 | MODULE_PARM_DESC(ql4xdisablesysfsboot, | |
a4e8a715 KH |
39 | " Set to disable exporting boot targets to sysfs.\n" |
40 | "\t\t 0 - Export boot targets\n" | |
41 | "\t\t 1 - Do not export boot targets (Default)"); | |
13483730 | 42 | |
3573bfb2 | 43 | int ql4xdontresethba; |
f4f5df23 | 44 | module_param(ql4xdontresethba, int, S_IRUGO | S_IWUSR); |
afaf5a2d | 45 | MODULE_PARM_DESC(ql4xdontresethba, |
a4e8a715 KH |
46 | " Don't reset the HBA for driver recovery.\n" |
47 | "\t\t 0 - It will reset HBA (Default)\n" | |
48 | "\t\t 1 - It will NOT reset HBA"); | |
afaf5a2d | 49 | |
a4e8a715 | 50 | int ql4xextended_error_logging; |
f4f5df23 | 51 | module_param(ql4xextended_error_logging, int, S_IRUGO | S_IWUSR); |
11010fec | 52 | MODULE_PARM_DESC(ql4xextended_error_logging, |
a4e8a715 KH |
53 | " Option to enable extended error logging.\n" |
54 | "\t\t 0 - no logging (Default)\n" | |
55 | "\t\t 2 - debug logging"); | |
afaf5a2d | 56 | |
f4f5df23 VC |
57 | int ql4xenablemsix = 1; |
58 | module_param(ql4xenablemsix, int, S_IRUGO|S_IWUSR); | |
59 | MODULE_PARM_DESC(ql4xenablemsix, | |
a4e8a715 KH |
60 | " Set to enable MSI or MSI-X interrupt mechanism.\n" |
61 | "\t\t 0 = enable INTx interrupt mechanism.\n" | |
62 | "\t\t 1 = enable MSI-X interrupt mechanism (Default).\n" | |
63 | "\t\t 2 = enable MSI interrupt mechanism."); | |
477ffb9d | 64 | |
d510d965 | 65 | #define QL4_DEF_QDEPTH 32 |
8bb4033d VC |
66 | static int ql4xmaxqdepth = QL4_DEF_QDEPTH; |
67 | module_param(ql4xmaxqdepth, int, S_IRUGO | S_IWUSR); | |
68 | MODULE_PARM_DESC(ql4xmaxqdepth, | |
a4e8a715 KH |
69 | " Maximum queue depth to report for target devices.\n" |
70 | "\t\t Default: 32."); | |
d510d965 | 71 | |
f7b4aa63 TP |
72 | static int ql4xqfulltracking = 1; |
73 | module_param(ql4xqfulltracking, int, S_IRUGO | S_IWUSR); | |
74 | MODULE_PARM_DESC(ql4xqfulltracking, | |
75 | " Enable or disable dynamic tracking and adjustment of\n" | |
76 | "\t\t scsi device queue depth.\n" | |
77 | "\t\t 0 - Disable.\n" | |
78 | "\t\t 1 - Enable. (Default)"); | |
79 | ||
3038727c VC |
80 | static int ql4xsess_recovery_tmo = QL4_SESS_RECOVERY_TMO; |
81 | module_param(ql4xsess_recovery_tmo, int, S_IRUGO); | |
82 | MODULE_PARM_DESC(ql4xsess_recovery_tmo, | |
3573bfb2 | 83 | " Target Session Recovery Timeout.\n" |
a4e8a715 | 84 | "\t\t Default: 120 sec."); |
3038727c | 85 | |
a511b4af | 86 | int ql4xmdcapmask = 0; |
068237c8 TP |
87 | module_param(ql4xmdcapmask, int, S_IRUGO); |
88 | MODULE_PARM_DESC(ql4xmdcapmask, | |
89 | " Set the Minidump driver capture mask level.\n" | |
a511b4af | 90 | "\t\t Default is 0 (firmware default capture mask)\n" |
b410982c | 91 | "\t\t Can be set to 0x3, 0x7, 0xF, 0x1F, 0x3F, 0x7F, 0xFF"); |
068237c8 TP |
92 | |
93 | int ql4xenablemd = 1; | |
94 | module_param(ql4xenablemd, int, S_IRUGO | S_IWUSR); | |
95 | MODULE_PARM_DESC(ql4xenablemd, | |
96 | " Set to enable minidump.\n" | |
97 | "\t\t 0 - disable minidump\n" | |
98 | "\t\t 1 - enable minidump (Default)"); | |
99 | ||
b3a271a9 | 100 | static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha); |
afaf5a2d DS |
101 | /* |
102 | * SCSI host template entry points | |
103 | */ | |
47975477 | 104 | static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha); |
afaf5a2d DS |
105 | |
106 | /* | |
107 | * iSCSI template entry points | |
108 | */ | |
fca9f04d MC |
109 | static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess, |
110 | enum iscsi_param param, char *buf); | |
afaf5a2d DS |
111 | static int qla4xxx_conn_get_param(struct iscsi_cls_conn *conn, |
112 | enum iscsi_param param, char *buf); | |
aa1e93a2 MC |
113 | static int qla4xxx_host_get_param(struct Scsi_Host *shost, |
114 | enum iscsi_host_param param, char *buf); | |
00c31889 MC |
115 | static int qla4xxx_iface_set_param(struct Scsi_Host *shost, void *data, |
116 | uint32_t len); | |
ed1086e0 VC |
117 | static int qla4xxx_get_iface_param(struct iscsi_iface *iface, |
118 | enum iscsi_param_type param_type, | |
119 | int param, char *buf); | |
5c656af7 | 120 | static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc); |
b3a271a9 MR |
121 | static struct iscsi_endpoint *qla4xxx_ep_connect(struct Scsi_Host *shost, |
122 | struct sockaddr *dst_addr, | |
123 | int non_blocking); | |
124 | static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms); | |
125 | static void qla4xxx_ep_disconnect(struct iscsi_endpoint *ep); | |
126 | static int qla4xxx_get_ep_param(struct iscsi_endpoint *ep, | |
127 | enum iscsi_param param, char *buf); | |
128 | static int qla4xxx_conn_start(struct iscsi_cls_conn *conn); | |
129 | static struct iscsi_cls_conn * | |
130 | qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx); | |
131 | static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session, | |
132 | struct iscsi_cls_conn *cls_conn, | |
133 | uint64_t transport_fd, int is_leading); | |
134 | static void qla4xxx_conn_destroy(struct iscsi_cls_conn *conn); | |
135 | static struct iscsi_cls_session * | |
136 | qla4xxx_session_create(struct iscsi_endpoint *ep, uint16_t cmds_max, | |
137 | uint16_t qdepth, uint32_t initial_cmdsn); | |
138 | static void qla4xxx_session_destroy(struct iscsi_cls_session *sess); | |
139 | static void qla4xxx_task_work(struct work_struct *wdata); | |
140 | static int qla4xxx_alloc_pdu(struct iscsi_task *, uint8_t); | |
141 | static int qla4xxx_task_xmit(struct iscsi_task *); | |
142 | static void qla4xxx_task_cleanup(struct iscsi_task *); | |
143 | static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session); | |
144 | static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn, | |
145 | struct iscsi_stats *stats); | |
c0b9d3f7 VC |
146 | static int qla4xxx_send_ping(struct Scsi_Host *shost, uint32_t iface_num, |
147 | uint32_t iface_type, uint32_t payload_size, | |
148 | uint32_t pid, struct sockaddr *dst_addr); | |
376738af NJ |
149 | static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx, |
150 | uint32_t *num_entries, char *buf); | |
151 | static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx); | |
26ffd7b4 AC |
152 | static int qla4xxx_set_chap_entry(struct Scsi_Host *shost, void *data, |
153 | int len); | |
4161cee5 | 154 | static int qla4xxx_get_host_stats(struct Scsi_Host *shost, char *buf, int len); |
c0b9d3f7 | 155 | |
afaf5a2d DS |
156 | /* |
157 | * SCSI host template entry points | |
158 | */ | |
f281233d | 159 | static int qla4xxx_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd); |
09a0f719 | 160 | static int qla4xxx_eh_abort(struct scsi_cmnd *cmd); |
afaf5a2d | 161 | static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd); |
ce545039 | 162 | static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd); |
afaf5a2d DS |
163 | static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd); |
164 | static int qla4xxx_slave_alloc(struct scsi_device *device); | |
5e9bcec7 | 165 | static umode_t qla4_attr_is_visible(int param_type, int param); |
95d31262 | 166 | static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type); |
afaf5a2d | 167 | |
1e9e2be3 AC |
168 | /* |
169 | * iSCSI Flash DDB sysfs entry points | |
170 | */ | |
171 | static int | |
172 | qla4xxx_sysfs_ddb_set_param(struct iscsi_bus_flash_session *fnode_sess, | |
173 | struct iscsi_bus_flash_conn *fnode_conn, | |
174 | void *data, int len); | |
175 | static int | |
176 | qla4xxx_sysfs_ddb_get_param(struct iscsi_bus_flash_session *fnode_sess, | |
177 | int param, char *buf); | |
178 | static int qla4xxx_sysfs_ddb_add(struct Scsi_Host *shost, const char *buf, | |
179 | int len); | |
180 | static int | |
181 | qla4xxx_sysfs_ddb_delete(struct iscsi_bus_flash_session *fnode_sess); | |
182 | static int qla4xxx_sysfs_ddb_login(struct iscsi_bus_flash_session *fnode_sess, | |
183 | struct iscsi_bus_flash_conn *fnode_conn); | |
184 | static int qla4xxx_sysfs_ddb_logout(struct iscsi_bus_flash_session *fnode_sess, | |
185 | struct iscsi_bus_flash_conn *fnode_conn); | |
186 | static int qla4xxx_sysfs_ddb_logout_sid(struct iscsi_cls_session *cls_sess); | |
187 | ||
f4f5df23 VC |
188 | static struct qla4_8xxx_legacy_intr_set legacy_intr[] = |
189 | QLA82XX_LEGACY_INTR_CONFIG; | |
190 | ||
afaf5a2d DS |
191 | static struct scsi_host_template qla4xxx_driver_template = { |
192 | .module = THIS_MODULE, | |
193 | .name = DRIVER_NAME, | |
194 | .proc_name = DRIVER_NAME, | |
195 | .queuecommand = qla4xxx_queuecommand, | |
196 | ||
09a0f719 | 197 | .eh_abort_handler = qla4xxx_eh_abort, |
afaf5a2d | 198 | .eh_device_reset_handler = qla4xxx_eh_device_reset, |
ce545039 | 199 | .eh_target_reset_handler = qla4xxx_eh_target_reset, |
afaf5a2d | 200 | .eh_host_reset_handler = qla4xxx_eh_host_reset, |
5c656af7 | 201 | .eh_timed_out = qla4xxx_eh_cmd_timed_out, |
afaf5a2d | 202 | |
afaf5a2d | 203 | .slave_alloc = qla4xxx_slave_alloc, |
db5ed4df | 204 | .change_queue_depth = scsi_change_queue_depth, |
afaf5a2d DS |
205 | |
206 | .this_id = -1, | |
207 | .cmd_per_lun = 3, | |
208 | .use_clustering = ENABLE_CLUSTERING, | |
209 | .sg_tablesize = SG_ALL, | |
210 | ||
211 | .max_sectors = 0xFFFF, | |
7ad633c0 | 212 | .shost_attrs = qla4xxx_host_attrs, |
95d31262 | 213 | .host_reset = qla4xxx_host_reset, |
a355943c | 214 | .vendor_id = SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC, |
afaf5a2d DS |
215 | }; |
216 | ||
217 | static struct iscsi_transport qla4xxx_iscsi_transport = { | |
218 | .owner = THIS_MODULE, | |
219 | .name = DRIVER_NAME, | |
b3a271a9 MR |
220 | .caps = CAP_TEXT_NEGO | |
221 | CAP_DATA_PATH_OFFLOAD | CAP_HDRDGST | | |
222 | CAP_DATADGST | CAP_LOGIN_OFFLOAD | | |
223 | CAP_MULTI_R2T, | |
5e9bcec7 | 224 | .attr_is_visible = qla4_attr_is_visible, |
b3a271a9 MR |
225 | .create_session = qla4xxx_session_create, |
226 | .destroy_session = qla4xxx_session_destroy, | |
227 | .start_conn = qla4xxx_conn_start, | |
228 | .create_conn = qla4xxx_conn_create, | |
229 | .bind_conn = qla4xxx_conn_bind, | |
230 | .stop_conn = iscsi_conn_stop, | |
231 | .destroy_conn = qla4xxx_conn_destroy, | |
232 | .set_param = iscsi_set_param, | |
afaf5a2d | 233 | .get_conn_param = qla4xxx_conn_get_param, |
fca9f04d | 234 | .get_session_param = qla4xxx_session_get_param, |
b3a271a9 MR |
235 | .get_ep_param = qla4xxx_get_ep_param, |
236 | .ep_connect = qla4xxx_ep_connect, | |
237 | .ep_poll = qla4xxx_ep_poll, | |
238 | .ep_disconnect = qla4xxx_ep_disconnect, | |
239 | .get_stats = qla4xxx_conn_get_stats, | |
240 | .send_pdu = iscsi_conn_send_pdu, | |
241 | .xmit_task = qla4xxx_task_xmit, | |
242 | .cleanup_task = qla4xxx_task_cleanup, | |
243 | .alloc_pdu = qla4xxx_alloc_pdu, | |
244 | ||
aa1e93a2 | 245 | .get_host_param = qla4xxx_host_get_param, |
d00efe3f | 246 | .set_iface_param = qla4xxx_iface_set_param, |
ed1086e0 | 247 | .get_iface_param = qla4xxx_get_iface_param, |
a355943c | 248 | .bsg_request = qla4xxx_bsg_request, |
c0b9d3f7 | 249 | .send_ping = qla4xxx_send_ping, |
376738af NJ |
250 | .get_chap = qla4xxx_get_chap_list, |
251 | .delete_chap = qla4xxx_delete_chap, | |
26ffd7b4 | 252 | .set_chap = qla4xxx_set_chap_entry, |
1e9e2be3 AC |
253 | .get_flashnode_param = qla4xxx_sysfs_ddb_get_param, |
254 | .set_flashnode_param = qla4xxx_sysfs_ddb_set_param, | |
255 | .new_flashnode = qla4xxx_sysfs_ddb_add, | |
256 | .del_flashnode = qla4xxx_sysfs_ddb_delete, | |
257 | .login_flashnode = qla4xxx_sysfs_ddb_login, | |
258 | .logout_flashnode = qla4xxx_sysfs_ddb_logout, | |
259 | .logout_flashnode_sid = qla4xxx_sysfs_ddb_logout_sid, | |
4161cee5 | 260 | .get_host_stats = qla4xxx_get_host_stats, |
afaf5a2d DS |
261 | }; |
262 | ||
263 | static struct scsi_transport_template *qla4xxx_scsi_transport; | |
264 | ||
1bc5ad3a MR |
265 | static int qla4xxx_isp_check_reg(struct scsi_qla_host *ha) |
266 | { | |
267 | u32 reg_val = 0; | |
268 | int rval = QLA_SUCCESS; | |
269 | ||
270 | if (is_qla8022(ha)) | |
271 | reg_val = readl(&ha->qla4_82xx_reg->host_status); | |
272 | else if (is_qla8032(ha) || is_qla8042(ha)) | |
273 | reg_val = qla4_8xxx_rd_direct(ha, QLA8XXX_PEG_ALIVE_COUNTER); | |
274 | else | |
275 | reg_val = readw(&ha->reg->ctrl_status); | |
276 | ||
277 | if (reg_val == QL4_ISP_REG_DISCONNECT) | |
278 | rval = QLA_ERROR; | |
279 | ||
280 | return rval; | |
281 | } | |
282 | ||
c0b9d3f7 VC |
283 | static int qla4xxx_send_ping(struct Scsi_Host *shost, uint32_t iface_num, |
284 | uint32_t iface_type, uint32_t payload_size, | |
285 | uint32_t pid, struct sockaddr *dst_addr) | |
286 | { | |
287 | struct scsi_qla_host *ha = to_qla_host(shost); | |
288 | struct sockaddr_in *addr; | |
289 | struct sockaddr_in6 *addr6; | |
290 | uint32_t options = 0; | |
291 | uint8_t ipaddr[IPv6_ADDR_LEN]; | |
292 | int rval; | |
293 | ||
294 | memset(ipaddr, 0, IPv6_ADDR_LEN); | |
295 | /* IPv4 to IPv4 */ | |
296 | if ((iface_type == ISCSI_IFACE_TYPE_IPV4) && | |
297 | (dst_addr->sa_family == AF_INET)) { | |
298 | addr = (struct sockaddr_in *)dst_addr; | |
299 | memcpy(ipaddr, &addr->sin_addr.s_addr, IP_ADDR_LEN); | |
300 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv4 Ping src: %pI4 " | |
301 | "dest: %pI4\n", __func__, | |
302 | &ha->ip_config.ip_address, ipaddr)); | |
303 | rval = qla4xxx_ping_iocb(ha, options, payload_size, pid, | |
304 | ipaddr); | |
305 | if (rval) | |
306 | rval = -EINVAL; | |
307 | } else if ((iface_type == ISCSI_IFACE_TYPE_IPV6) && | |
308 | (dst_addr->sa_family == AF_INET6)) { | |
309 | /* IPv6 to IPv6 */ | |
310 | addr6 = (struct sockaddr_in6 *)dst_addr; | |
311 | memcpy(ipaddr, &addr6->sin6_addr.in6_u.u6_addr8, IPv6_ADDR_LEN); | |
312 | ||
313 | options |= PING_IPV6_PROTOCOL_ENABLE; | |
314 | ||
315 | /* Ping using LinkLocal address */ | |
316 | if ((iface_num == 0) || (iface_num == 1)) { | |
317 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: LinkLocal Ping " | |
318 | "src: %pI6 dest: %pI6\n", __func__, | |
319 | &ha->ip_config.ipv6_link_local_addr, | |
320 | ipaddr)); | |
321 | options |= PING_IPV6_LINKLOCAL_ADDR; | |
322 | rval = qla4xxx_ping_iocb(ha, options, payload_size, | |
323 | pid, ipaddr); | |
324 | } else { | |
325 | ql4_printk(KERN_WARNING, ha, "%s: iface num = %d " | |
326 | "not supported\n", __func__, iface_num); | |
327 | rval = -ENOSYS; | |
328 | goto exit_send_ping; | |
329 | } | |
330 | ||
331 | /* | |
332 | * If ping using LinkLocal address fails, try ping using | |
333 | * IPv6 address | |
334 | */ | |
335 | if (rval != QLA_SUCCESS) { | |
336 | options &= ~PING_IPV6_LINKLOCAL_ADDR; | |
337 | if (iface_num == 0) { | |
338 | options |= PING_IPV6_ADDR0; | |
339 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 " | |
340 | "Ping src: %pI6 " | |
341 | "dest: %pI6\n", __func__, | |
342 | &ha->ip_config.ipv6_addr0, | |
343 | ipaddr)); | |
344 | } else if (iface_num == 1) { | |
345 | options |= PING_IPV6_ADDR1; | |
346 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 " | |
347 | "Ping src: %pI6 " | |
348 | "dest: %pI6\n", __func__, | |
349 | &ha->ip_config.ipv6_addr1, | |
350 | ipaddr)); | |
351 | } | |
352 | rval = qla4xxx_ping_iocb(ha, options, payload_size, | |
353 | pid, ipaddr); | |
354 | if (rval) | |
355 | rval = -EINVAL; | |
356 | } | |
357 | } else | |
358 | rval = -ENOSYS; | |
359 | exit_send_ping: | |
360 | return rval; | |
361 | } | |
362 | ||
5e9bcec7 | 363 | static umode_t qla4_attr_is_visible(int param_type, int param) |
3128c6c7 MC |
364 | { |
365 | switch (param_type) { | |
f27fb2ef MC |
366 | case ISCSI_HOST_PARAM: |
367 | switch (param) { | |
368 | case ISCSI_HOST_PARAM_HWADDRESS: | |
369 | case ISCSI_HOST_PARAM_IPADDRESS: | |
370 | case ISCSI_HOST_PARAM_INITIATOR_NAME: | |
3254dbe9 VC |
371 | case ISCSI_HOST_PARAM_PORT_STATE: |
372 | case ISCSI_HOST_PARAM_PORT_SPEED: | |
f27fb2ef MC |
373 | return S_IRUGO; |
374 | default: | |
375 | return 0; | |
376 | } | |
3128c6c7 MC |
377 | case ISCSI_PARAM: |
378 | switch (param) { | |
590134fa MC |
379 | case ISCSI_PARAM_PERSISTENT_ADDRESS: |
380 | case ISCSI_PARAM_PERSISTENT_PORT: | |
3128c6c7 MC |
381 | case ISCSI_PARAM_CONN_ADDRESS: |
382 | case ISCSI_PARAM_CONN_PORT: | |
1d063c17 MC |
383 | case ISCSI_PARAM_TARGET_NAME: |
384 | case ISCSI_PARAM_TPGT: | |
385 | case ISCSI_PARAM_TARGET_ALIAS: | |
b3a271a9 MR |
386 | case ISCSI_PARAM_MAX_BURST: |
387 | case ISCSI_PARAM_MAX_R2T: | |
388 | case ISCSI_PARAM_FIRST_BURST: | |
389 | case ISCSI_PARAM_MAX_RECV_DLENGTH: | |
390 | case ISCSI_PARAM_MAX_XMIT_DLENGTH: | |
de37920b | 391 | case ISCSI_PARAM_IFACE_NAME: |
fca9f04d MC |
392 | case ISCSI_PARAM_CHAP_OUT_IDX: |
393 | case ISCSI_PARAM_CHAP_IN_IDX: | |
394 | case ISCSI_PARAM_USERNAME: | |
395 | case ISCSI_PARAM_PASSWORD: | |
396 | case ISCSI_PARAM_USERNAME_IN: | |
397 | case ISCSI_PARAM_PASSWORD_IN: | |
8cc91d42 AC |
398 | case ISCSI_PARAM_AUTO_SND_TGT_DISABLE: |
399 | case ISCSI_PARAM_DISCOVERY_SESS: | |
400 | case ISCSI_PARAM_PORTAL_TYPE: | |
401 | case ISCSI_PARAM_CHAP_AUTH_EN: | |
402 | case ISCSI_PARAM_DISCOVERY_LOGOUT_EN: | |
403 | case ISCSI_PARAM_BIDI_CHAP_EN: | |
404 | case ISCSI_PARAM_DISCOVERY_AUTH_OPTIONAL: | |
405 | case ISCSI_PARAM_DEF_TIME2WAIT: | |
406 | case ISCSI_PARAM_DEF_TIME2RETAIN: | |
407 | case ISCSI_PARAM_HDRDGST_EN: | |
408 | case ISCSI_PARAM_DATADGST_EN: | |
409 | case ISCSI_PARAM_INITIAL_R2T_EN: | |
410 | case ISCSI_PARAM_IMM_DATA_EN: | |
411 | case ISCSI_PARAM_PDU_INORDER_EN: | |
412 | case ISCSI_PARAM_DATASEQ_INORDER_EN: | |
413 | case ISCSI_PARAM_MAX_SEGMENT_SIZE: | |
414 | case ISCSI_PARAM_TCP_TIMESTAMP_STAT: | |
415 | case ISCSI_PARAM_TCP_WSF_DISABLE: | |
416 | case ISCSI_PARAM_TCP_NAGLE_DISABLE: | |
417 | case ISCSI_PARAM_TCP_TIMER_SCALE: | |
418 | case ISCSI_PARAM_TCP_TIMESTAMP_EN: | |
419 | case ISCSI_PARAM_TCP_XMIT_WSF: | |
420 | case ISCSI_PARAM_TCP_RECV_WSF: | |
421 | case ISCSI_PARAM_IP_FRAGMENT_DISABLE: | |
422 | case ISCSI_PARAM_IPV4_TOS: | |
423 | case ISCSI_PARAM_IPV6_TC: | |
424 | case ISCSI_PARAM_IPV6_FLOW_LABEL: | |
425 | case ISCSI_PARAM_IS_FW_ASSIGNED_IPV6: | |
426 | case ISCSI_PARAM_KEEPALIVE_TMO: | |
427 | case ISCSI_PARAM_LOCAL_PORT: | |
428 | case ISCSI_PARAM_ISID: | |
429 | case ISCSI_PARAM_TSID: | |
430 | case ISCSI_PARAM_DEF_TASKMGMT_TMO: | |
431 | case ISCSI_PARAM_ERL: | |
432 | case ISCSI_PARAM_STATSN: | |
433 | case ISCSI_PARAM_EXP_STATSN: | |
434 | case ISCSI_PARAM_DISCOVERY_PARENT_IDX: | |
435 | case ISCSI_PARAM_DISCOVERY_PARENT_TYPE: | |
fb734ee3 | 436 | case ISCSI_PARAM_LOCAL_IPADDR: |
3128c6c7 MC |
437 | return S_IRUGO; |
438 | default: | |
439 | return 0; | |
440 | } | |
b78dbba0 MC |
441 | case ISCSI_NET_PARAM: |
442 | switch (param) { | |
443 | case ISCSI_NET_PARAM_IPV4_ADDR: | |
444 | case ISCSI_NET_PARAM_IPV4_SUBNET: | |
445 | case ISCSI_NET_PARAM_IPV4_GW: | |
446 | case ISCSI_NET_PARAM_IPV4_BOOTPROTO: | |
447 | case ISCSI_NET_PARAM_IFACE_ENABLE: | |
448 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL: | |
449 | case ISCSI_NET_PARAM_IPV6_ADDR: | |
450 | case ISCSI_NET_PARAM_IPV6_ROUTER: | |
451 | case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: | |
452 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: | |
6ac73e8c VC |
453 | case ISCSI_NET_PARAM_VLAN_ID: |
454 | case ISCSI_NET_PARAM_VLAN_PRIORITY: | |
455 | case ISCSI_NET_PARAM_VLAN_ENABLED: | |
943c157b | 456 | case ISCSI_NET_PARAM_MTU: |
2ada7fc5 | 457 | case ISCSI_NET_PARAM_PORT: |
f8e93412 HZ |
458 | case ISCSI_NET_PARAM_IPADDR_STATE: |
459 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL_STATE: | |
460 | case ISCSI_NET_PARAM_IPV6_ROUTER_STATE: | |
461 | case ISCSI_NET_PARAM_DELAYED_ACK_EN: | |
462 | case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE: | |
463 | case ISCSI_NET_PARAM_TCP_WSF_DISABLE: | |
464 | case ISCSI_NET_PARAM_TCP_WSF: | |
465 | case ISCSI_NET_PARAM_TCP_TIMER_SCALE: | |
466 | case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN: | |
467 | case ISCSI_NET_PARAM_CACHE_ID: | |
468 | case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN: | |
469 | case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN: | |
470 | case ISCSI_NET_PARAM_IPV4_TOS_EN: | |
471 | case ISCSI_NET_PARAM_IPV4_TOS: | |
472 | case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN: | |
473 | case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN: | |
474 | case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID: | |
475 | case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN: | |
476 | case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN: | |
477 | case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID: | |
478 | case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN: | |
479 | case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE: | |
480 | case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN: | |
481 | case ISCSI_NET_PARAM_REDIRECT_EN: | |
482 | case ISCSI_NET_PARAM_IPV4_TTL: | |
483 | case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN: | |
484 | case ISCSI_NET_PARAM_IPV6_MLD_EN: | |
485 | case ISCSI_NET_PARAM_IPV6_FLOW_LABEL: | |
486 | case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS: | |
487 | case ISCSI_NET_PARAM_IPV6_HOP_LIMIT: | |
488 | case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO: | |
489 | case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME: | |
490 | case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO: | |
491 | case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT: | |
492 | case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU: | |
493 | return S_IRUGO; | |
494 | default: | |
495 | return 0; | |
496 | } | |
497 | case ISCSI_IFACE_PARAM: | |
498 | switch (param) { | |
499 | case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO: | |
500 | case ISCSI_IFACE_PARAM_HDRDGST_EN: | |
501 | case ISCSI_IFACE_PARAM_DATADGST_EN: | |
502 | case ISCSI_IFACE_PARAM_IMM_DATA_EN: | |
503 | case ISCSI_IFACE_PARAM_INITIAL_R2T_EN: | |
504 | case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN: | |
505 | case ISCSI_IFACE_PARAM_PDU_INORDER_EN: | |
506 | case ISCSI_IFACE_PARAM_ERL: | |
507 | case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH: | |
508 | case ISCSI_IFACE_PARAM_FIRST_BURST: | |
509 | case ISCSI_IFACE_PARAM_MAX_R2T: | |
510 | case ISCSI_IFACE_PARAM_MAX_BURST: | |
511 | case ISCSI_IFACE_PARAM_CHAP_AUTH_EN: | |
512 | case ISCSI_IFACE_PARAM_BIDI_CHAP_EN: | |
513 | case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL: | |
514 | case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN: | |
515 | case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN: | |
516 | case ISCSI_IFACE_PARAM_INITIATOR_NAME: | |
b78dbba0 MC |
517 | return S_IRUGO; |
518 | default: | |
519 | return 0; | |
520 | } | |
1e9e2be3 AC |
521 | case ISCSI_FLASHNODE_PARAM: |
522 | switch (param) { | |
523 | case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6: | |
524 | case ISCSI_FLASHNODE_PORTAL_TYPE: | |
525 | case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE: | |
526 | case ISCSI_FLASHNODE_DISCOVERY_SESS: | |
527 | case ISCSI_FLASHNODE_ENTRY_EN: | |
528 | case ISCSI_FLASHNODE_HDR_DGST_EN: | |
529 | case ISCSI_FLASHNODE_DATA_DGST_EN: | |
530 | case ISCSI_FLASHNODE_IMM_DATA_EN: | |
531 | case ISCSI_FLASHNODE_INITIAL_R2T_EN: | |
532 | case ISCSI_FLASHNODE_DATASEQ_INORDER: | |
533 | case ISCSI_FLASHNODE_PDU_INORDER: | |
534 | case ISCSI_FLASHNODE_CHAP_AUTH_EN: | |
535 | case ISCSI_FLASHNODE_SNACK_REQ_EN: | |
536 | case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN: | |
537 | case ISCSI_FLASHNODE_BIDI_CHAP_EN: | |
538 | case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL: | |
539 | case ISCSI_FLASHNODE_ERL: | |
540 | case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT: | |
541 | case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE: | |
542 | case ISCSI_FLASHNODE_TCP_WSF_DISABLE: | |
543 | case ISCSI_FLASHNODE_TCP_TIMER_SCALE: | |
544 | case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN: | |
545 | case ISCSI_FLASHNODE_IP_FRAG_DISABLE: | |
546 | case ISCSI_FLASHNODE_MAX_RECV_DLENGTH: | |
547 | case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH: | |
548 | case ISCSI_FLASHNODE_FIRST_BURST: | |
549 | case ISCSI_FLASHNODE_DEF_TIME2WAIT: | |
550 | case ISCSI_FLASHNODE_DEF_TIME2RETAIN: | |
551 | case ISCSI_FLASHNODE_MAX_R2T: | |
552 | case ISCSI_FLASHNODE_KEEPALIVE_TMO: | |
553 | case ISCSI_FLASHNODE_ISID: | |
554 | case ISCSI_FLASHNODE_TSID: | |
555 | case ISCSI_FLASHNODE_PORT: | |
556 | case ISCSI_FLASHNODE_MAX_BURST: | |
557 | case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO: | |
558 | case ISCSI_FLASHNODE_IPADDR: | |
559 | case ISCSI_FLASHNODE_ALIAS: | |
560 | case ISCSI_FLASHNODE_REDIRECT_IPADDR: | |
561 | case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE: | |
562 | case ISCSI_FLASHNODE_LOCAL_PORT: | |
563 | case ISCSI_FLASHNODE_IPV4_TOS: | |
564 | case ISCSI_FLASHNODE_IPV6_TC: | |
565 | case ISCSI_FLASHNODE_IPV6_FLOW_LABEL: | |
566 | case ISCSI_FLASHNODE_NAME: | |
567 | case ISCSI_FLASHNODE_TPGT: | |
568 | case ISCSI_FLASHNODE_LINK_LOCAL_IPV6: | |
569 | case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX: | |
570 | case ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE: | |
571 | case ISCSI_FLASHNODE_TCP_XMIT_WSF: | |
572 | case ISCSI_FLASHNODE_TCP_RECV_WSF: | |
573 | case ISCSI_FLASHNODE_CHAP_OUT_IDX: | |
574 | case ISCSI_FLASHNODE_USERNAME: | |
575 | case ISCSI_FLASHNODE_PASSWORD: | |
576 | case ISCSI_FLASHNODE_STATSN: | |
577 | case ISCSI_FLASHNODE_EXP_STATSN: | |
578 | case ISCSI_FLASHNODE_IS_BOOT_TGT: | |
579 | return S_IRUGO; | |
580 | default: | |
581 | return 0; | |
582 | } | |
3128c6c7 MC |
583 | } |
584 | ||
585 | return 0; | |
586 | } | |
587 | ||
ea507a25 AC |
588 | /** |
589 | * qla4xxx_create chap_list - Create CHAP list from FLASH | |
590 | * @ha: pointer to adapter structure | |
591 | * | |
592 | * Read flash and make a list of CHAP entries, during login when a CHAP entry | |
593 | * is received, it will be checked in this list. If entry exist then the CHAP | |
594 | * entry index is set in the DDB. If CHAP entry does not exist in this list | |
595 | * then a new entry is added in FLASH in CHAP table and the index obtained is | |
596 | * used in the DDB. | |
597 | **/ | |
598 | static void qla4xxx_create_chap_list(struct scsi_qla_host *ha) | |
599 | { | |
600 | int rval = 0; | |
601 | uint8_t *chap_flash_data = NULL; | |
602 | uint32_t offset; | |
603 | dma_addr_t chap_dma; | |
604 | uint32_t chap_size = 0; | |
605 | ||
606 | if (is_qla40XX(ha)) | |
607 | chap_size = MAX_CHAP_ENTRIES_40XX * | |
608 | sizeof(struct ql4_chap_table); | |
609 | else /* Single region contains CHAP info for both | |
610 | * ports which is divided into half for each port. | |
611 | */ | |
612 | chap_size = ha->hw.flt_chap_size / 2; | |
613 | ||
614 | chap_flash_data = dma_alloc_coherent(&ha->pdev->dev, chap_size, | |
615 | &chap_dma, GFP_KERNEL); | |
616 | if (!chap_flash_data) { | |
617 | ql4_printk(KERN_ERR, ha, "No memory for chap_flash_data\n"); | |
618 | return; | |
619 | } | |
620 | ||
621 | if (is_qla40XX(ha)) { | |
622 | offset = FLASH_CHAP_OFFSET; | |
623 | } else { | |
624 | offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2); | |
625 | if (ha->port_num == 1) | |
626 | offset += chap_size; | |
627 | } | |
628 | ||
629 | rval = qla4xxx_get_flash(ha, chap_dma, offset, chap_size); | |
630 | if (rval != QLA_SUCCESS) | |
631 | goto exit_chap_list; | |
632 | ||
633 | if (ha->chap_list == NULL) | |
634 | ha->chap_list = vmalloc(chap_size); | |
635 | if (ha->chap_list == NULL) { | |
636 | ql4_printk(KERN_ERR, ha, "No memory for ha->chap_list\n"); | |
637 | goto exit_chap_list; | |
638 | } | |
639 | ||
640 | memset(ha->chap_list, 0, chap_size); | |
641 | memcpy(ha->chap_list, chap_flash_data, chap_size); | |
642 | ||
643 | exit_chap_list: | |
644 | dma_free_coherent(&ha->pdev->dev, chap_size, chap_flash_data, chap_dma); | |
645 | } | |
646 | ||
26ffd7b4 AC |
647 | static int qla4xxx_get_chap_by_index(struct scsi_qla_host *ha, |
648 | int16_t chap_index, | |
649 | struct ql4_chap_table **chap_entry) | |
650 | { | |
651 | int rval = QLA_ERROR; | |
652 | int max_chap_entries; | |
653 | ||
654 | if (!ha->chap_list) { | |
655 | ql4_printk(KERN_ERR, ha, "CHAP table cache is empty!\n"); | |
656 | rval = QLA_ERROR; | |
657 | goto exit_get_chap; | |
658 | } | |
659 | ||
660 | if (is_qla80XX(ha)) | |
661 | max_chap_entries = (ha->hw.flt_chap_size / 2) / | |
662 | sizeof(struct ql4_chap_table); | |
663 | else | |
664 | max_chap_entries = MAX_CHAP_ENTRIES_40XX; | |
665 | ||
666 | if (chap_index > max_chap_entries) { | |
667 | ql4_printk(KERN_ERR, ha, "Invalid Chap index\n"); | |
668 | rval = QLA_ERROR; | |
669 | goto exit_get_chap; | |
670 | } | |
671 | ||
672 | *chap_entry = (struct ql4_chap_table *)ha->chap_list + chap_index; | |
673 | if ((*chap_entry)->cookie != | |
674 | __constant_cpu_to_le16(CHAP_VALID_COOKIE)) { | |
675 | rval = QLA_ERROR; | |
676 | *chap_entry = NULL; | |
677 | } else { | |
678 | rval = QLA_SUCCESS; | |
679 | } | |
680 | ||
681 | exit_get_chap: | |
682 | return rval; | |
683 | } | |
684 | ||
685 | /** | |
686 | * qla4xxx_find_free_chap_index - Find the first free chap index | |
687 | * @ha: pointer to adapter structure | |
688 | * @chap_index: CHAP index to be returned | |
689 | * | |
690 | * Find the first free chap index available in the chap table | |
691 | * | |
692 | * Note: Caller should acquire the chap lock before getting here. | |
693 | **/ | |
694 | static int qla4xxx_find_free_chap_index(struct scsi_qla_host *ha, | |
695 | uint16_t *chap_index) | |
696 | { | |
697 | int i, rval; | |
698 | int free_index = -1; | |
699 | int max_chap_entries = 0; | |
700 | struct ql4_chap_table *chap_table; | |
701 | ||
702 | if (is_qla80XX(ha)) | |
703 | max_chap_entries = (ha->hw.flt_chap_size / 2) / | |
704 | sizeof(struct ql4_chap_table); | |
705 | else | |
706 | max_chap_entries = MAX_CHAP_ENTRIES_40XX; | |
707 | ||
708 | if (!ha->chap_list) { | |
709 | ql4_printk(KERN_ERR, ha, "CHAP table cache is empty!\n"); | |
710 | rval = QLA_ERROR; | |
711 | goto exit_find_chap; | |
712 | } | |
713 | ||
714 | for (i = 0; i < max_chap_entries; i++) { | |
715 | chap_table = (struct ql4_chap_table *)ha->chap_list + i; | |
716 | ||
717 | if ((chap_table->cookie != | |
718 | __constant_cpu_to_le16(CHAP_VALID_COOKIE)) && | |
719 | (i > MAX_RESRV_CHAP_IDX)) { | |
720 | free_index = i; | |
721 | break; | |
722 | } | |
723 | } | |
724 | ||
725 | if (free_index != -1) { | |
726 | *chap_index = free_index; | |
727 | rval = QLA_SUCCESS; | |
728 | } else { | |
729 | rval = QLA_ERROR; | |
730 | } | |
731 | ||
732 | exit_find_chap: | |
733 | return rval; | |
734 | } | |
735 | ||
376738af NJ |
736 | static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx, |
737 | uint32_t *num_entries, char *buf) | |
738 | { | |
739 | struct scsi_qla_host *ha = to_qla_host(shost); | |
740 | struct ql4_chap_table *chap_table; | |
741 | struct iscsi_chap_rec *chap_rec; | |
742 | int max_chap_entries = 0; | |
743 | int valid_chap_entries = 0; | |
744 | int ret = 0, i; | |
745 | ||
d11b0ca3 | 746 | if (is_qla80XX(ha)) |
376738af NJ |
747 | max_chap_entries = (ha->hw.flt_chap_size / 2) / |
748 | sizeof(struct ql4_chap_table); | |
749 | else | |
750 | max_chap_entries = MAX_CHAP_ENTRIES_40XX; | |
751 | ||
752 | ql4_printk(KERN_INFO, ha, "%s: num_entries = %d, CHAP idx = %d\n", | |
753 | __func__, *num_entries, chap_tbl_idx); | |
754 | ||
755 | if (!buf) { | |
756 | ret = -ENOMEM; | |
757 | goto exit_get_chap_list; | |
758 | } | |
759 | ||
ea507a25 AC |
760 | qla4xxx_create_chap_list(ha); |
761 | ||
376738af NJ |
762 | chap_rec = (struct iscsi_chap_rec *) buf; |
763 | mutex_lock(&ha->chap_sem); | |
764 | for (i = chap_tbl_idx; i < max_chap_entries; i++) { | |
765 | chap_table = (struct ql4_chap_table *)ha->chap_list + i; | |
766 | if (chap_table->cookie != | |
767 | __constant_cpu_to_le16(CHAP_VALID_COOKIE)) | |
768 | continue; | |
769 | ||
770 | chap_rec->chap_tbl_idx = i; | |
bdbb9662 | 771 | strlcpy(chap_rec->username, chap_table->name, |
376738af | 772 | ISCSI_CHAP_AUTH_NAME_MAX_LEN); |
bdbb9662 | 773 | strlcpy(chap_rec->password, chap_table->secret, |
376738af NJ |
774 | QL4_CHAP_MAX_SECRET_LEN); |
775 | chap_rec->password_length = chap_table->secret_len; | |
776 | ||
777 | if (chap_table->flags & BIT_7) /* local */ | |
778 | chap_rec->chap_type = CHAP_TYPE_OUT; | |
779 | ||
780 | if (chap_table->flags & BIT_6) /* peer */ | |
781 | chap_rec->chap_type = CHAP_TYPE_IN; | |
782 | ||
783 | chap_rec++; | |
784 | ||
785 | valid_chap_entries++; | |
786 | if (valid_chap_entries == *num_entries) | |
787 | break; | |
788 | else | |
789 | continue; | |
790 | } | |
791 | mutex_unlock(&ha->chap_sem); | |
792 | ||
793 | exit_get_chap_list: | |
794 | ql4_printk(KERN_INFO, ha, "%s: Valid CHAP Entries = %d\n", | |
795 | __func__, valid_chap_entries); | |
796 | *num_entries = valid_chap_entries; | |
797 | return ret; | |
798 | } | |
799 | ||
800 | static int __qla4xxx_is_chap_active(struct device *dev, void *data) | |
801 | { | |
802 | int ret = 0; | |
803 | uint16_t *chap_tbl_idx = (uint16_t *) data; | |
804 | struct iscsi_cls_session *cls_session; | |
805 | struct iscsi_session *sess; | |
806 | struct ddb_entry *ddb_entry; | |
807 | ||
808 | if (!iscsi_is_session_dev(dev)) | |
809 | goto exit_is_chap_active; | |
810 | ||
811 | cls_session = iscsi_dev_to_session(dev); | |
812 | sess = cls_session->dd_data; | |
813 | ddb_entry = sess->dd_data; | |
814 | ||
815 | if (iscsi_session_chkready(cls_session)) | |
816 | goto exit_is_chap_active; | |
817 | ||
818 | if (ddb_entry->chap_tbl_idx == *chap_tbl_idx) | |
819 | ret = 1; | |
820 | ||
821 | exit_is_chap_active: | |
822 | return ret; | |
823 | } | |
824 | ||
825 | static int qla4xxx_is_chap_active(struct Scsi_Host *shost, | |
826 | uint16_t chap_tbl_idx) | |
827 | { | |
828 | int ret = 0; | |
829 | ||
830 | ret = device_for_each_child(&shost->shost_gendev, &chap_tbl_idx, | |
831 | __qla4xxx_is_chap_active); | |
832 | ||
833 | return ret; | |
834 | } | |
835 | ||
836 | static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx) | |
837 | { | |
838 | struct scsi_qla_host *ha = to_qla_host(shost); | |
839 | struct ql4_chap_table *chap_table; | |
840 | dma_addr_t chap_dma; | |
841 | int max_chap_entries = 0; | |
842 | uint32_t offset = 0; | |
843 | uint32_t chap_size; | |
844 | int ret = 0; | |
845 | ||
846 | chap_table = dma_pool_alloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma); | |
847 | if (chap_table == NULL) | |
848 | return -ENOMEM; | |
849 | ||
850 | memset(chap_table, 0, sizeof(struct ql4_chap_table)); | |
851 | ||
d11b0ca3 | 852 | if (is_qla80XX(ha)) |
376738af NJ |
853 | max_chap_entries = (ha->hw.flt_chap_size / 2) / |
854 | sizeof(struct ql4_chap_table); | |
855 | else | |
856 | max_chap_entries = MAX_CHAP_ENTRIES_40XX; | |
857 | ||
858 | if (chap_tbl_idx > max_chap_entries) { | |
859 | ret = -EINVAL; | |
860 | goto exit_delete_chap; | |
861 | } | |
862 | ||
863 | /* Check if chap index is in use. | |
864 | * If chap is in use don't delet chap entry */ | |
865 | ret = qla4xxx_is_chap_active(shost, chap_tbl_idx); | |
866 | if (ret) { | |
867 | ql4_printk(KERN_INFO, ha, "CHAP entry %d is in use, cannot " | |
868 | "delete from flash\n", chap_tbl_idx); | |
869 | ret = -EBUSY; | |
870 | goto exit_delete_chap; | |
871 | } | |
872 | ||
873 | chap_size = sizeof(struct ql4_chap_table); | |
874 | if (is_qla40XX(ha)) | |
875 | offset = FLASH_CHAP_OFFSET | (chap_tbl_idx * chap_size); | |
876 | else { | |
877 | offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2); | |
878 | /* flt_chap_size is CHAP table size for both ports | |
879 | * so divide it by 2 to calculate the offset for second port | |
880 | */ | |
881 | if (ha->port_num == 1) | |
882 | offset += (ha->hw.flt_chap_size / 2); | |
883 | offset += (chap_tbl_idx * chap_size); | |
884 | } | |
885 | ||
886 | ret = qla4xxx_get_flash(ha, chap_dma, offset, chap_size); | |
887 | if (ret != QLA_SUCCESS) { | |
888 | ret = -EINVAL; | |
889 | goto exit_delete_chap; | |
890 | } | |
891 | ||
892 | DEBUG2(ql4_printk(KERN_INFO, ha, "Chap Cookie: x%x\n", | |
893 | __le16_to_cpu(chap_table->cookie))); | |
894 | ||
895 | if (__le16_to_cpu(chap_table->cookie) != CHAP_VALID_COOKIE) { | |
896 | ql4_printk(KERN_ERR, ha, "No valid chap entry found\n"); | |
897 | goto exit_delete_chap; | |
898 | } | |
899 | ||
900 | chap_table->cookie = __constant_cpu_to_le16(0xFFFF); | |
901 | ||
902 | offset = FLASH_CHAP_OFFSET | | |
903 | (chap_tbl_idx * sizeof(struct ql4_chap_table)); | |
904 | ret = qla4xxx_set_flash(ha, chap_dma, offset, chap_size, | |
905 | FLASH_OPT_RMW_COMMIT); | |
906 | if (ret == QLA_SUCCESS && ha->chap_list) { | |
907 | mutex_lock(&ha->chap_sem); | |
908 | /* Update ha chap_list cache */ | |
909 | memcpy((struct ql4_chap_table *)ha->chap_list + chap_tbl_idx, | |
910 | chap_table, sizeof(struct ql4_chap_table)); | |
911 | mutex_unlock(&ha->chap_sem); | |
912 | } | |
913 | if (ret != QLA_SUCCESS) | |
914 | ret = -EINVAL; | |
915 | ||
916 | exit_delete_chap: | |
917 | dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma); | |
918 | return ret; | |
919 | } | |
920 | ||
26ffd7b4 AC |
921 | /** |
922 | * qla4xxx_set_chap_entry - Make chap entry with given information | |
923 | * @shost: pointer to host | |
924 | * @data: chap info - credentials, index and type to make chap entry | |
925 | * @len: length of data | |
926 | * | |
927 | * Add or update chap entry with the given information | |
928 | **/ | |
929 | static int qla4xxx_set_chap_entry(struct Scsi_Host *shost, void *data, int len) | |
930 | { | |
931 | struct scsi_qla_host *ha = to_qla_host(shost); | |
932 | struct iscsi_chap_rec chap_rec; | |
933 | struct ql4_chap_table *chap_entry = NULL; | |
934 | struct iscsi_param_info *param_info; | |
935 | struct nlattr *attr; | |
936 | int max_chap_entries = 0; | |
937 | int type; | |
938 | int rem = len; | |
939 | int rc = 0; | |
3c60cfd7 | 940 | int size; |
26ffd7b4 AC |
941 | |
942 | memset(&chap_rec, 0, sizeof(chap_rec)); | |
943 | ||
944 | nla_for_each_attr(attr, data, len, rem) { | |
945 | param_info = nla_data(attr); | |
946 | ||
947 | switch (param_info->param) { | |
948 | case ISCSI_CHAP_PARAM_INDEX: | |
949 | chap_rec.chap_tbl_idx = *(uint16_t *)param_info->value; | |
950 | break; | |
951 | case ISCSI_CHAP_PARAM_CHAP_TYPE: | |
952 | chap_rec.chap_type = param_info->value[0]; | |
953 | break; | |
954 | case ISCSI_CHAP_PARAM_USERNAME: | |
3c60cfd7 DC |
955 | size = min_t(size_t, sizeof(chap_rec.username), |
956 | param_info->len); | |
957 | memcpy(chap_rec.username, param_info->value, size); | |
26ffd7b4 AC |
958 | break; |
959 | case ISCSI_CHAP_PARAM_PASSWORD: | |
3c60cfd7 DC |
960 | size = min_t(size_t, sizeof(chap_rec.password), |
961 | param_info->len); | |
962 | memcpy(chap_rec.password, param_info->value, size); | |
26ffd7b4 AC |
963 | break; |
964 | case ISCSI_CHAP_PARAM_PASSWORD_LEN: | |
965 | chap_rec.password_length = param_info->value[0]; | |
966 | break; | |
967 | default: | |
968 | ql4_printk(KERN_ERR, ha, | |
969 | "%s: No such sysfs attribute\n", __func__); | |
970 | rc = -ENOSYS; | |
971 | goto exit_set_chap; | |
972 | }; | |
973 | } | |
974 | ||
975 | if (chap_rec.chap_type == CHAP_TYPE_IN) | |
976 | type = BIDI_CHAP; | |
977 | else | |
978 | type = LOCAL_CHAP; | |
979 | ||
980 | if (is_qla80XX(ha)) | |
981 | max_chap_entries = (ha->hw.flt_chap_size / 2) / | |
982 | sizeof(struct ql4_chap_table); | |
983 | else | |
984 | max_chap_entries = MAX_CHAP_ENTRIES_40XX; | |
985 | ||
986 | mutex_lock(&ha->chap_sem); | |
987 | if (chap_rec.chap_tbl_idx < max_chap_entries) { | |
988 | rc = qla4xxx_get_chap_by_index(ha, chap_rec.chap_tbl_idx, | |
989 | &chap_entry); | |
990 | if (!rc) { | |
991 | if (!(type == qla4xxx_get_chap_type(chap_entry))) { | |
992 | ql4_printk(KERN_INFO, ha, | |
993 | "Type mismatch for CHAP entry %d\n", | |
994 | chap_rec.chap_tbl_idx); | |
995 | rc = -EINVAL; | |
996 | goto exit_unlock_chap; | |
997 | } | |
998 | ||
999 | /* If chap index is in use then don't modify it */ | |
1000 | rc = qla4xxx_is_chap_active(shost, | |
1001 | chap_rec.chap_tbl_idx); | |
1002 | if (rc) { | |
1003 | ql4_printk(KERN_INFO, ha, | |
1004 | "CHAP entry %d is in use\n", | |
1005 | chap_rec.chap_tbl_idx); | |
1006 | rc = -EBUSY; | |
1007 | goto exit_unlock_chap; | |
1008 | } | |
1009 | } | |
1010 | } else { | |
1011 | rc = qla4xxx_find_free_chap_index(ha, &chap_rec.chap_tbl_idx); | |
1012 | if (rc) { | |
1013 | ql4_printk(KERN_INFO, ha, "CHAP entry not available\n"); | |
1014 | rc = -EBUSY; | |
1015 | goto exit_unlock_chap; | |
1016 | } | |
1017 | } | |
1018 | ||
1019 | rc = qla4xxx_set_chap(ha, chap_rec.username, chap_rec.password, | |
1020 | chap_rec.chap_tbl_idx, type); | |
1021 | ||
1022 | exit_unlock_chap: | |
1023 | mutex_unlock(&ha->chap_sem); | |
1024 | ||
1025 | exit_set_chap: | |
1026 | return rc; | |
1027 | } | |
1028 | ||
4161cee5 LC |
1029 | |
1030 | static int qla4xxx_get_host_stats(struct Scsi_Host *shost, char *buf, int len) | |
1031 | { | |
1032 | struct scsi_qla_host *ha = to_qla_host(shost); | |
1033 | struct iscsi_offload_host_stats *host_stats = NULL; | |
1034 | int host_stats_size; | |
1035 | int ret = 0; | |
1036 | int ddb_idx = 0; | |
1037 | struct ql_iscsi_stats *ql_iscsi_stats = NULL; | |
1038 | int stats_size; | |
1039 | dma_addr_t iscsi_stats_dma; | |
1040 | ||
1041 | DEBUG2(ql4_printk(KERN_INFO, ha, "Func: %s\n", __func__)); | |
1042 | ||
1043 | host_stats_size = sizeof(struct iscsi_offload_host_stats); | |
1044 | ||
1045 | if (host_stats_size != len) { | |
1046 | ql4_printk(KERN_INFO, ha, "%s: host_stats size mismatch expected = %d, is = %d\n", | |
1047 | __func__, len, host_stats_size); | |
1048 | ret = -EINVAL; | |
1049 | goto exit_host_stats; | |
1050 | } | |
1051 | host_stats = (struct iscsi_offload_host_stats *)buf; | |
1052 | ||
1053 | if (!buf) { | |
1054 | ret = -ENOMEM; | |
1055 | goto exit_host_stats; | |
1056 | } | |
1057 | ||
1058 | stats_size = PAGE_ALIGN(sizeof(struct ql_iscsi_stats)); | |
1059 | ||
1060 | ql_iscsi_stats = dma_alloc_coherent(&ha->pdev->dev, stats_size, | |
1061 | &iscsi_stats_dma, GFP_KERNEL); | |
1062 | if (!ql_iscsi_stats) { | |
1063 | ql4_printk(KERN_ERR, ha, | |
1064 | "Unable to allocate memory for iscsi stats\n"); | |
7f3976f0 | 1065 | ret = -ENOMEM; |
4161cee5 LC |
1066 | goto exit_host_stats; |
1067 | } | |
1068 | ||
1069 | ret = qla4xxx_get_mgmt_data(ha, ddb_idx, stats_size, | |
1070 | iscsi_stats_dma); | |
1071 | if (ret != QLA_SUCCESS) { | |
1072 | ql4_printk(KERN_ERR, ha, | |
1073 | "Unable to retrieve iscsi stats\n"); | |
7f3976f0 | 1074 | ret = -EIO; |
4161cee5 LC |
1075 | goto exit_host_stats; |
1076 | } | |
1077 | host_stats->mactx_frames = le64_to_cpu(ql_iscsi_stats->mac_tx_frames); | |
1078 | host_stats->mactx_bytes = le64_to_cpu(ql_iscsi_stats->mac_tx_bytes); | |
1079 | host_stats->mactx_multicast_frames = | |
1080 | le64_to_cpu(ql_iscsi_stats->mac_tx_multicast_frames); | |
1081 | host_stats->mactx_broadcast_frames = | |
1082 | le64_to_cpu(ql_iscsi_stats->mac_tx_broadcast_frames); | |
1083 | host_stats->mactx_pause_frames = | |
1084 | le64_to_cpu(ql_iscsi_stats->mac_tx_pause_frames); | |
1085 | host_stats->mactx_control_frames = | |
1086 | le64_to_cpu(ql_iscsi_stats->mac_tx_control_frames); | |
1087 | host_stats->mactx_deferral = | |
1088 | le64_to_cpu(ql_iscsi_stats->mac_tx_deferral); | |
1089 | host_stats->mactx_excess_deferral = | |
1090 | le64_to_cpu(ql_iscsi_stats->mac_tx_excess_deferral); | |
1091 | host_stats->mactx_late_collision = | |
1092 | le64_to_cpu(ql_iscsi_stats->mac_tx_late_collision); | |
1093 | host_stats->mactx_abort = le64_to_cpu(ql_iscsi_stats->mac_tx_abort); | |
1094 | host_stats->mactx_single_collision = | |
1095 | le64_to_cpu(ql_iscsi_stats->mac_tx_single_collision); | |
1096 | host_stats->mactx_multiple_collision = | |
1097 | le64_to_cpu(ql_iscsi_stats->mac_tx_multiple_collision); | |
1098 | host_stats->mactx_collision = | |
1099 | le64_to_cpu(ql_iscsi_stats->mac_tx_collision); | |
1100 | host_stats->mactx_frames_dropped = | |
1101 | le64_to_cpu(ql_iscsi_stats->mac_tx_frames_dropped); | |
1102 | host_stats->mactx_jumbo_frames = | |
1103 | le64_to_cpu(ql_iscsi_stats->mac_tx_jumbo_frames); | |
1104 | host_stats->macrx_frames = le64_to_cpu(ql_iscsi_stats->mac_rx_frames); | |
1105 | host_stats->macrx_bytes = le64_to_cpu(ql_iscsi_stats->mac_rx_bytes); | |
1106 | host_stats->macrx_unknown_control_frames = | |
1107 | le64_to_cpu(ql_iscsi_stats->mac_rx_unknown_control_frames); | |
1108 | host_stats->macrx_pause_frames = | |
1109 | le64_to_cpu(ql_iscsi_stats->mac_rx_pause_frames); | |
1110 | host_stats->macrx_control_frames = | |
1111 | le64_to_cpu(ql_iscsi_stats->mac_rx_control_frames); | |
1112 | host_stats->macrx_dribble = | |
1113 | le64_to_cpu(ql_iscsi_stats->mac_rx_dribble); | |
1114 | host_stats->macrx_frame_length_error = | |
1115 | le64_to_cpu(ql_iscsi_stats->mac_rx_frame_length_error); | |
1116 | host_stats->macrx_jabber = le64_to_cpu(ql_iscsi_stats->mac_rx_jabber); | |
1117 | host_stats->macrx_carrier_sense_error = | |
1118 | le64_to_cpu(ql_iscsi_stats->mac_rx_carrier_sense_error); | |
1119 | host_stats->macrx_frame_discarded = | |
1120 | le64_to_cpu(ql_iscsi_stats->mac_rx_frame_discarded); | |
1121 | host_stats->macrx_frames_dropped = | |
1122 | le64_to_cpu(ql_iscsi_stats->mac_rx_frames_dropped); | |
1123 | host_stats->mac_crc_error = le64_to_cpu(ql_iscsi_stats->mac_crc_error); | |
1124 | host_stats->mac_encoding_error = | |
1125 | le64_to_cpu(ql_iscsi_stats->mac_encoding_error); | |
1126 | host_stats->macrx_length_error_large = | |
1127 | le64_to_cpu(ql_iscsi_stats->mac_rx_length_error_large); | |
1128 | host_stats->macrx_length_error_small = | |
1129 | le64_to_cpu(ql_iscsi_stats->mac_rx_length_error_small); | |
1130 | host_stats->macrx_multicast_frames = | |
1131 | le64_to_cpu(ql_iscsi_stats->mac_rx_multicast_frames); | |
1132 | host_stats->macrx_broadcast_frames = | |
1133 | le64_to_cpu(ql_iscsi_stats->mac_rx_broadcast_frames); | |
1134 | host_stats->iptx_packets = le64_to_cpu(ql_iscsi_stats->ip_tx_packets); | |
1135 | host_stats->iptx_bytes = le64_to_cpu(ql_iscsi_stats->ip_tx_bytes); | |
1136 | host_stats->iptx_fragments = | |
1137 | le64_to_cpu(ql_iscsi_stats->ip_tx_fragments); | |
1138 | host_stats->iprx_packets = le64_to_cpu(ql_iscsi_stats->ip_rx_packets); | |
1139 | host_stats->iprx_bytes = le64_to_cpu(ql_iscsi_stats->ip_rx_bytes); | |
1140 | host_stats->iprx_fragments = | |
1141 | le64_to_cpu(ql_iscsi_stats->ip_rx_fragments); | |
1142 | host_stats->ip_datagram_reassembly = | |
1143 | le64_to_cpu(ql_iscsi_stats->ip_datagram_reassembly); | |
1144 | host_stats->ip_invalid_address_error = | |
1145 | le64_to_cpu(ql_iscsi_stats->ip_invalid_address_error); | |
1146 | host_stats->ip_error_packets = | |
1147 | le64_to_cpu(ql_iscsi_stats->ip_error_packets); | |
1148 | host_stats->ip_fragrx_overlap = | |
1149 | le64_to_cpu(ql_iscsi_stats->ip_fragrx_overlap); | |
1150 | host_stats->ip_fragrx_outoforder = | |
1151 | le64_to_cpu(ql_iscsi_stats->ip_fragrx_outoforder); | |
1152 | host_stats->ip_datagram_reassembly_timeout = | |
1153 | le64_to_cpu(ql_iscsi_stats->ip_datagram_reassembly_timeout); | |
1154 | host_stats->ipv6tx_packets = | |
1155 | le64_to_cpu(ql_iscsi_stats->ipv6_tx_packets); | |
1156 | host_stats->ipv6tx_bytes = le64_to_cpu(ql_iscsi_stats->ipv6_tx_bytes); | |
1157 | host_stats->ipv6tx_fragments = | |
1158 | le64_to_cpu(ql_iscsi_stats->ipv6_tx_fragments); | |
1159 | host_stats->ipv6rx_packets = | |
1160 | le64_to_cpu(ql_iscsi_stats->ipv6_rx_packets); | |
1161 | host_stats->ipv6rx_bytes = le64_to_cpu(ql_iscsi_stats->ipv6_rx_bytes); | |
1162 | host_stats->ipv6rx_fragments = | |
1163 | le64_to_cpu(ql_iscsi_stats->ipv6_rx_fragments); | |
1164 | host_stats->ipv6_datagram_reassembly = | |
1165 | le64_to_cpu(ql_iscsi_stats->ipv6_datagram_reassembly); | |
1166 | host_stats->ipv6_invalid_address_error = | |
1167 | le64_to_cpu(ql_iscsi_stats->ipv6_invalid_address_error); | |
1168 | host_stats->ipv6_error_packets = | |
1169 | le64_to_cpu(ql_iscsi_stats->ipv6_error_packets); | |
1170 | host_stats->ipv6_fragrx_overlap = | |
1171 | le64_to_cpu(ql_iscsi_stats->ipv6_fragrx_overlap); | |
1172 | host_stats->ipv6_fragrx_outoforder = | |
1173 | le64_to_cpu(ql_iscsi_stats->ipv6_fragrx_outoforder); | |
1174 | host_stats->ipv6_datagram_reassembly_timeout = | |
1175 | le64_to_cpu(ql_iscsi_stats->ipv6_datagram_reassembly_timeout); | |
1176 | host_stats->tcptx_segments = | |
1177 | le64_to_cpu(ql_iscsi_stats->tcp_tx_segments); | |
1178 | host_stats->tcptx_bytes = le64_to_cpu(ql_iscsi_stats->tcp_tx_bytes); | |
1179 | host_stats->tcprx_segments = | |
1180 | le64_to_cpu(ql_iscsi_stats->tcp_rx_segments); | |
1181 | host_stats->tcprx_byte = le64_to_cpu(ql_iscsi_stats->tcp_rx_byte); | |
1182 | host_stats->tcp_duplicate_ack_retx = | |
1183 | le64_to_cpu(ql_iscsi_stats->tcp_duplicate_ack_retx); | |
1184 | host_stats->tcp_retx_timer_expired = | |
1185 | le64_to_cpu(ql_iscsi_stats->tcp_retx_timer_expired); | |
1186 | host_stats->tcprx_duplicate_ack = | |
1187 | le64_to_cpu(ql_iscsi_stats->tcp_rx_duplicate_ack); | |
1188 | host_stats->tcprx_pure_ackr = | |
1189 | le64_to_cpu(ql_iscsi_stats->tcp_rx_pure_ackr); | |
1190 | host_stats->tcptx_delayed_ack = | |
1191 | le64_to_cpu(ql_iscsi_stats->tcp_tx_delayed_ack); | |
1192 | host_stats->tcptx_pure_ack = | |
1193 | le64_to_cpu(ql_iscsi_stats->tcp_tx_pure_ack); | |
1194 | host_stats->tcprx_segment_error = | |
1195 | le64_to_cpu(ql_iscsi_stats->tcp_rx_segment_error); | |
1196 | host_stats->tcprx_segment_outoforder = | |
1197 | le64_to_cpu(ql_iscsi_stats->tcp_rx_segment_outoforder); | |
1198 | host_stats->tcprx_window_probe = | |
1199 | le64_to_cpu(ql_iscsi_stats->tcp_rx_window_probe); | |
1200 | host_stats->tcprx_window_update = | |
1201 | le64_to_cpu(ql_iscsi_stats->tcp_rx_window_update); | |
1202 | host_stats->tcptx_window_probe_persist = | |
1203 | le64_to_cpu(ql_iscsi_stats->tcp_tx_window_probe_persist); | |
1204 | host_stats->ecc_error_correction = | |
1205 | le64_to_cpu(ql_iscsi_stats->ecc_error_correction); | |
1206 | host_stats->iscsi_pdu_tx = le64_to_cpu(ql_iscsi_stats->iscsi_pdu_tx); | |
1207 | host_stats->iscsi_data_bytes_tx = | |
1208 | le64_to_cpu(ql_iscsi_stats->iscsi_data_bytes_tx); | |
1209 | host_stats->iscsi_pdu_rx = le64_to_cpu(ql_iscsi_stats->iscsi_pdu_rx); | |
1210 | host_stats->iscsi_data_bytes_rx = | |
1211 | le64_to_cpu(ql_iscsi_stats->iscsi_data_bytes_rx); | |
1212 | host_stats->iscsi_io_completed = | |
1213 | le64_to_cpu(ql_iscsi_stats->iscsi_io_completed); | |
1214 | host_stats->iscsi_unexpected_io_rx = | |
1215 | le64_to_cpu(ql_iscsi_stats->iscsi_unexpected_io_rx); | |
1216 | host_stats->iscsi_format_error = | |
1217 | le64_to_cpu(ql_iscsi_stats->iscsi_format_error); | |
1218 | host_stats->iscsi_hdr_digest_error = | |
1219 | le64_to_cpu(ql_iscsi_stats->iscsi_hdr_digest_error); | |
1220 | host_stats->iscsi_data_digest_error = | |
1221 | le64_to_cpu(ql_iscsi_stats->iscsi_data_digest_error); | |
1222 | host_stats->iscsi_sequence_error = | |
1223 | le64_to_cpu(ql_iscsi_stats->iscsi_sequence_error); | |
1224 | exit_host_stats: | |
1225 | if (ql_iscsi_stats) | |
1226 | dma_free_coherent(&ha->pdev->dev, host_stats_size, | |
1227 | ql_iscsi_stats, iscsi_stats_dma); | |
1228 | ||
1229 | ql4_printk(KERN_INFO, ha, "%s: Get host stats done\n", | |
1230 | __func__); | |
1231 | return ret; | |
1232 | } | |
1233 | ||
ed1086e0 VC |
1234 | static int qla4xxx_get_iface_param(struct iscsi_iface *iface, |
1235 | enum iscsi_param_type param_type, | |
1236 | int param, char *buf) | |
1237 | { | |
1238 | struct Scsi_Host *shost = iscsi_iface_to_shost(iface); | |
1239 | struct scsi_qla_host *ha = to_qla_host(shost); | |
f8e93412 HZ |
1240 | int ival; |
1241 | char *pval = NULL; | |
ed1086e0 VC |
1242 | int len = -ENOSYS; |
1243 | ||
f8e93412 HZ |
1244 | if (param_type == ISCSI_NET_PARAM) { |
1245 | switch (param) { | |
1246 | case ISCSI_NET_PARAM_IPV4_ADDR: | |
1247 | len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address); | |
1248 | break; | |
1249 | case ISCSI_NET_PARAM_IPV4_SUBNET: | |
1250 | len = sprintf(buf, "%pI4\n", | |
1251 | &ha->ip_config.subnet_mask); | |
1252 | break; | |
1253 | case ISCSI_NET_PARAM_IPV4_GW: | |
1254 | len = sprintf(buf, "%pI4\n", &ha->ip_config.gateway); | |
1255 | break; | |
1256 | case ISCSI_NET_PARAM_IFACE_ENABLE: | |
1257 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { | |
1258 | OP_STATE(ha->ip_config.ipv4_options, | |
1259 | IPOPT_IPV4_PROTOCOL_ENABLE, pval); | |
1260 | } else { | |
1261 | OP_STATE(ha->ip_config.ipv6_options, | |
1262 | IPV6_OPT_IPV6_PROTOCOL_ENABLE, pval); | |
1263 | } | |
ed1086e0 | 1264 | |
f8e93412 HZ |
1265 | len = sprintf(buf, "%s\n", pval); |
1266 | break; | |
1267 | case ISCSI_NET_PARAM_IPV4_BOOTPROTO: | |
ed1086e0 | 1268 | len = sprintf(buf, "%s\n", |
f8e93412 HZ |
1269 | (ha->ip_config.tcp_options & |
1270 | TCPOPT_DHCP_ENABLE) ? | |
1271 | "dhcp" : "static"); | |
1272 | break; | |
1273 | case ISCSI_NET_PARAM_IPV6_ADDR: | |
1274 | if (iface->iface_num == 0) | |
1275 | len = sprintf(buf, "%pI6\n", | |
1276 | &ha->ip_config.ipv6_addr0); | |
1277 | if (iface->iface_num == 1) | |
1278 | len = sprintf(buf, "%pI6\n", | |
1279 | &ha->ip_config.ipv6_addr1); | |
1280 | break; | |
1281 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL: | |
1282 | len = sprintf(buf, "%pI6\n", | |
1283 | &ha->ip_config.ipv6_link_local_addr); | |
1284 | break; | |
1285 | case ISCSI_NET_PARAM_IPV6_ROUTER: | |
1286 | len = sprintf(buf, "%pI6\n", | |
1287 | &ha->ip_config.ipv6_default_router_addr); | |
1288 | break; | |
1289 | case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: | |
1290 | pval = (ha->ip_config.ipv6_addl_options & | |
1291 | IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE) ? | |
1292 | "nd" : "static"; | |
1293 | ||
1294 | len = sprintf(buf, "%s\n", pval); | |
1295 | break; | |
1296 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: | |
1297 | pval = (ha->ip_config.ipv6_addl_options & | |
1298 | IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR) ? | |
1299 | "auto" : "static"; | |
1300 | ||
1301 | len = sprintf(buf, "%s\n", pval); | |
1302 | break; | |
1303 | case ISCSI_NET_PARAM_VLAN_ID: | |
1304 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) | |
1305 | ival = ha->ip_config.ipv4_vlan_tag & | |
1306 | ISCSI_MAX_VLAN_ID; | |
1307 | else | |
1308 | ival = ha->ip_config.ipv6_vlan_tag & | |
1309 | ISCSI_MAX_VLAN_ID; | |
1310 | ||
1311 | len = sprintf(buf, "%d\n", ival); | |
1312 | break; | |
1313 | case ISCSI_NET_PARAM_VLAN_PRIORITY: | |
1314 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) | |
1315 | ival = (ha->ip_config.ipv4_vlan_tag >> 13) & | |
1316 | ISCSI_MAX_VLAN_PRIORITY; | |
1317 | else | |
1318 | ival = (ha->ip_config.ipv6_vlan_tag >> 13) & | |
1319 | ISCSI_MAX_VLAN_PRIORITY; | |
1320 | ||
1321 | len = sprintf(buf, "%d\n", ival); | |
1322 | break; | |
1323 | case ISCSI_NET_PARAM_VLAN_ENABLED: | |
1324 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { | |
1325 | OP_STATE(ha->ip_config.ipv4_options, | |
1326 | IPOPT_VLAN_TAGGING_ENABLE, pval); | |
1327 | } else { | |
1328 | OP_STATE(ha->ip_config.ipv6_options, | |
1329 | IPV6_OPT_VLAN_TAGGING_ENABLE, pval); | |
1330 | } | |
1331 | len = sprintf(buf, "%s\n", pval); | |
1332 | break; | |
1333 | case ISCSI_NET_PARAM_MTU: | |
1334 | len = sprintf(buf, "%d\n", ha->ip_config.eth_mtu_size); | |
1335 | break; | |
1336 | case ISCSI_NET_PARAM_PORT: | |
1337 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) | |
1338 | len = sprintf(buf, "%d\n", | |
1339 | ha->ip_config.ipv4_port); | |
1340 | else | |
1341 | len = sprintf(buf, "%d\n", | |
1342 | ha->ip_config.ipv6_port); | |
1343 | break; | |
1344 | case ISCSI_NET_PARAM_IPADDR_STATE: | |
1345 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { | |
1346 | pval = iscsi_get_ipaddress_state_name( | |
1347 | ha->ip_config.ipv4_addr_state); | |
1348 | } else { | |
1349 | if (iface->iface_num == 0) | |
1350 | pval = iscsi_get_ipaddress_state_name( | |
1351 | ha->ip_config.ipv6_addr0_state); | |
1352 | else if (iface->iface_num == 1) | |
1353 | pval = iscsi_get_ipaddress_state_name( | |
1354 | ha->ip_config.ipv6_addr1_state); | |
1355 | } | |
1356 | ||
1357 | len = sprintf(buf, "%s\n", pval); | |
1358 | break; | |
1359 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL_STATE: | |
1360 | pval = iscsi_get_ipaddress_state_name( | |
1361 | ha->ip_config.ipv6_link_local_state); | |
1362 | len = sprintf(buf, "%s\n", pval); | |
1363 | break; | |
1364 | case ISCSI_NET_PARAM_IPV6_ROUTER_STATE: | |
1365 | pval = iscsi_get_router_state_name( | |
1366 | ha->ip_config.ipv6_default_router_state); | |
1367 | len = sprintf(buf, "%s\n", pval); | |
1368 | break; | |
1369 | case ISCSI_NET_PARAM_DELAYED_ACK_EN: | |
1370 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { | |
1371 | OP_STATE(~ha->ip_config.tcp_options, | |
1372 | TCPOPT_DELAYED_ACK_DISABLE, pval); | |
1373 | } else { | |
1374 | OP_STATE(~ha->ip_config.ipv6_tcp_options, | |
1375 | IPV6_TCPOPT_DELAYED_ACK_DISABLE, pval); | |
1376 | } | |
1377 | len = sprintf(buf, "%s\n", pval); | |
1378 | break; | |
1379 | case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE: | |
1380 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { | |
1381 | OP_STATE(~ha->ip_config.tcp_options, | |
1382 | TCPOPT_NAGLE_ALGO_DISABLE, pval); | |
1383 | } else { | |
1384 | OP_STATE(~ha->ip_config.ipv6_tcp_options, | |
1385 | IPV6_TCPOPT_NAGLE_ALGO_DISABLE, pval); | |
1386 | } | |
1387 | len = sprintf(buf, "%s\n", pval); | |
1388 | break; | |
1389 | case ISCSI_NET_PARAM_TCP_WSF_DISABLE: | |
1390 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { | |
1391 | OP_STATE(~ha->ip_config.tcp_options, | |
1392 | TCPOPT_WINDOW_SCALE_DISABLE, pval); | |
1393 | } else { | |
1394 | OP_STATE(~ha->ip_config.ipv6_tcp_options, | |
1395 | IPV6_TCPOPT_WINDOW_SCALE_DISABLE, | |
1396 | pval); | |
1397 | } | |
1398 | len = sprintf(buf, "%s\n", pval); | |
1399 | break; | |
1400 | case ISCSI_NET_PARAM_TCP_WSF: | |
1401 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) | |
1402 | len = sprintf(buf, "%d\n", | |
1403 | ha->ip_config.tcp_wsf); | |
1404 | else | |
1405 | len = sprintf(buf, "%d\n", | |
1406 | ha->ip_config.ipv6_tcp_wsf); | |
1407 | break; | |
1408 | case ISCSI_NET_PARAM_TCP_TIMER_SCALE: | |
1409 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) | |
1410 | ival = (ha->ip_config.tcp_options & | |
1411 | TCPOPT_TIMER_SCALE) >> 1; | |
1412 | else | |
1413 | ival = (ha->ip_config.ipv6_tcp_options & | |
1414 | IPV6_TCPOPT_TIMER_SCALE) >> 1; | |
1415 | ||
1416 | len = sprintf(buf, "%d\n", ival); | |
1417 | break; | |
1418 | case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN: | |
1419 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { | |
1420 | OP_STATE(ha->ip_config.tcp_options, | |
1421 | TCPOPT_TIMESTAMP_ENABLE, pval); | |
1422 | } else { | |
1423 | OP_STATE(ha->ip_config.ipv6_tcp_options, | |
1424 | IPV6_TCPOPT_TIMESTAMP_EN, pval); | |
1425 | } | |
1426 | len = sprintf(buf, "%s\n", pval); | |
1427 | break; | |
1428 | case ISCSI_NET_PARAM_CACHE_ID: | |
1429 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) | |
1430 | len = sprintf(buf, "%d\n", | |
1431 | ha->ip_config.ipv4_cache_id); | |
1432 | else | |
1433 | len = sprintf(buf, "%d\n", | |
1434 | ha->ip_config.ipv6_cache_id); | |
1435 | break; | |
1436 | case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN: | |
1437 | OP_STATE(ha->ip_config.tcp_options, | |
1438 | TCPOPT_DNS_SERVER_IP_EN, pval); | |
1439 | ||
1440 | len = sprintf(buf, "%s\n", pval); | |
1441 | break; | |
1442 | case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN: | |
1443 | OP_STATE(ha->ip_config.tcp_options, | |
1444 | TCPOPT_SLP_DA_INFO_EN, pval); | |
1445 | ||
1446 | len = sprintf(buf, "%s\n", pval); | |
1447 | break; | |
1448 | case ISCSI_NET_PARAM_IPV4_TOS_EN: | |
1449 | OP_STATE(ha->ip_config.ipv4_options, | |
1450 | IPOPT_IPV4_TOS_EN, pval); | |
1451 | ||
1452 | len = sprintf(buf, "%s\n", pval); | |
1453 | break; | |
1454 | case ISCSI_NET_PARAM_IPV4_TOS: | |
1455 | len = sprintf(buf, "%d\n", ha->ip_config.ipv4_tos); | |
1456 | break; | |
1457 | case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN: | |
1458 | OP_STATE(ha->ip_config.ipv4_options, | |
1459 | IPOPT_GRAT_ARP_EN, pval); | |
1460 | ||
1461 | len = sprintf(buf, "%s\n", pval); | |
1462 | break; | |
1463 | case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN: | |
1464 | OP_STATE(ha->ip_config.ipv4_options, IPOPT_ALT_CID_EN, | |
1465 | pval); | |
1466 | ||
1467 | len = sprintf(buf, "%s\n", pval); | |
1468 | break; | |
1469 | case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID: | |
1470 | pval = (ha->ip_config.ipv4_alt_cid_len) ? | |
1471 | (char *)ha->ip_config.ipv4_alt_cid : ""; | |
1472 | ||
1473 | len = sprintf(buf, "%s\n", pval); | |
1474 | break; | |
1475 | case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN: | |
1476 | OP_STATE(ha->ip_config.ipv4_options, | |
1477 | IPOPT_REQ_VID_EN, pval); | |
1478 | ||
1479 | len = sprintf(buf, "%s\n", pval); | |
1480 | break; | |
1481 | case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN: | |
1482 | OP_STATE(ha->ip_config.ipv4_options, | |
1483 | IPOPT_USE_VID_EN, pval); | |
1484 | ||
1485 | len = sprintf(buf, "%s\n", pval); | |
1486 | break; | |
1487 | case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID: | |
1488 | pval = (ha->ip_config.ipv4_vid_len) ? | |
1489 | (char *)ha->ip_config.ipv4_vid : ""; | |
1490 | ||
1491 | len = sprintf(buf, "%s\n", pval); | |
1492 | break; | |
1493 | case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN: | |
1494 | OP_STATE(ha->ip_config.ipv4_options, | |
1495 | IPOPT_LEARN_IQN_EN, pval); | |
1496 | ||
1497 | len = sprintf(buf, "%s\n", pval); | |
1498 | break; | |
1499 | case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE: | |
1500 | OP_STATE(~ha->ip_config.ipv4_options, | |
1501 | IPOPT_FRAGMENTATION_DISABLE, pval); | |
1502 | ||
1503 | len = sprintf(buf, "%s\n", pval); | |
1504 | break; | |
1505 | case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN: | |
1506 | OP_STATE(ha->ip_config.ipv4_options, | |
1507 | IPOPT_IN_FORWARD_EN, pval); | |
1508 | ||
1509 | len = sprintf(buf, "%s\n", pval); | |
1510 | break; | |
1511 | case ISCSI_NET_PARAM_REDIRECT_EN: | |
1512 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { | |
1513 | OP_STATE(ha->ip_config.ipv4_options, | |
1514 | IPOPT_ARP_REDIRECT_EN, pval); | |
1515 | } else { | |
1516 | OP_STATE(ha->ip_config.ipv6_options, | |
1517 | IPV6_OPT_REDIRECT_EN, pval); | |
1518 | } | |
1519 | len = sprintf(buf, "%s\n", pval); | |
1520 | break; | |
1521 | case ISCSI_NET_PARAM_IPV4_TTL: | |
1522 | len = sprintf(buf, "%d\n", ha->ip_config.ipv4_ttl); | |
1523 | break; | |
1524 | case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN: | |
1525 | OP_STATE(ha->ip_config.ipv6_options, | |
1526 | IPV6_OPT_GRAT_NEIGHBOR_ADV_EN, pval); | |
1527 | ||
1528 | len = sprintf(buf, "%s\n", pval); | |
1529 | break; | |
1530 | case ISCSI_NET_PARAM_IPV6_MLD_EN: | |
1531 | OP_STATE(ha->ip_config.ipv6_addl_options, | |
1532 | IPV6_ADDOPT_MLD_EN, pval); | |
1533 | ||
1534 | len = sprintf(buf, "%s\n", pval); | |
1535 | break; | |
1536 | case ISCSI_NET_PARAM_IPV6_FLOW_LABEL: | |
1537 | len = sprintf(buf, "%u\n", ha->ip_config.ipv6_flow_lbl); | |
1538 | break; | |
1539 | case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS: | |
6ac73e8c | 1540 | len = sprintf(buf, "%d\n", |
f8e93412 HZ |
1541 | ha->ip_config.ipv6_traffic_class); |
1542 | break; | |
1543 | case ISCSI_NET_PARAM_IPV6_HOP_LIMIT: | |
6ac73e8c | 1544 | len = sprintf(buf, "%d\n", |
f8e93412 HZ |
1545 | ha->ip_config.ipv6_hop_limit); |
1546 | break; | |
1547 | case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO: | |
6ac73e8c | 1548 | len = sprintf(buf, "%d\n", |
f8e93412 HZ |
1549 | ha->ip_config.ipv6_nd_reach_time); |
1550 | break; | |
1551 | case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME: | |
6ac73e8c | 1552 | len = sprintf(buf, "%d\n", |
f8e93412 HZ |
1553 | ha->ip_config.ipv6_nd_rexmit_timer); |
1554 | break; | |
1555 | case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO: | |
1556 | len = sprintf(buf, "%d\n", | |
1557 | ha->ip_config.ipv6_nd_stale_timeout); | |
1558 | break; | |
1559 | case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT: | |
1560 | len = sprintf(buf, "%d\n", | |
1561 | ha->ip_config.ipv6_dup_addr_detect_count); | |
1562 | break; | |
1563 | case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU: | |
1564 | len = sprintf(buf, "%d\n", | |
1565 | ha->ip_config.ipv6_gw_advrt_mtu); | |
1566 | break; | |
1567 | default: | |
1568 | len = -ENOSYS; | |
1569 | } | |
1570 | } else if (param_type == ISCSI_IFACE_PARAM) { | |
1571 | switch (param) { | |
1572 | case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO: | |
1573 | len = sprintf(buf, "%d\n", ha->ip_config.def_timeout); | |
1574 | break; | |
1575 | case ISCSI_IFACE_PARAM_HDRDGST_EN: | |
1576 | OP_STATE(ha->ip_config.iscsi_options, | |
1577 | ISCSIOPTS_HEADER_DIGEST_EN, pval); | |
1578 | ||
1579 | len = sprintf(buf, "%s\n", pval); | |
1580 | break; | |
1581 | case ISCSI_IFACE_PARAM_DATADGST_EN: | |
1582 | OP_STATE(ha->ip_config.iscsi_options, | |
1583 | ISCSIOPTS_DATA_DIGEST_EN, pval); | |
1584 | ||
1585 | len = sprintf(buf, "%s\n", pval); | |
1586 | break; | |
1587 | case ISCSI_IFACE_PARAM_IMM_DATA_EN: | |
1588 | OP_STATE(ha->ip_config.iscsi_options, | |
1589 | ISCSIOPTS_IMMEDIATE_DATA_EN, pval); | |
1590 | ||
1591 | len = sprintf(buf, "%s\n", pval); | |
1592 | break; | |
1593 | case ISCSI_IFACE_PARAM_INITIAL_R2T_EN: | |
1594 | OP_STATE(ha->ip_config.iscsi_options, | |
1595 | ISCSIOPTS_INITIAL_R2T_EN, pval); | |
1596 | ||
1597 | len = sprintf(buf, "%s\n", pval); | |
1598 | break; | |
1599 | case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN: | |
1600 | OP_STATE(ha->ip_config.iscsi_options, | |
1601 | ISCSIOPTS_DATA_SEQ_INORDER_EN, pval); | |
1602 | ||
1603 | len = sprintf(buf, "%s\n", pval); | |
1604 | break; | |
1605 | case ISCSI_IFACE_PARAM_PDU_INORDER_EN: | |
1606 | OP_STATE(ha->ip_config.iscsi_options, | |
1607 | ISCSIOPTS_DATA_PDU_INORDER_EN, pval); | |
1608 | ||
1609 | len = sprintf(buf, "%s\n", pval); | |
1610 | break; | |
1611 | case ISCSI_IFACE_PARAM_ERL: | |
1612 | len = sprintf(buf, "%d\n", | |
1613 | (ha->ip_config.iscsi_options & | |
1614 | ISCSIOPTS_ERL)); | |
1615 | break; | |
1616 | case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH: | |
1617 | len = sprintf(buf, "%u\n", | |
1618 | ha->ip_config.iscsi_max_pdu_size * | |
1619 | BYTE_UNITS); | |
1620 | break; | |
1621 | case ISCSI_IFACE_PARAM_FIRST_BURST: | |
1622 | len = sprintf(buf, "%u\n", | |
1623 | ha->ip_config.iscsi_first_burst_len * | |
1624 | BYTE_UNITS); | |
1625 | break; | |
1626 | case ISCSI_IFACE_PARAM_MAX_R2T: | |
1627 | len = sprintf(buf, "%d\n", | |
1628 | ha->ip_config.iscsi_max_outstnd_r2t); | |
1629 | break; | |
1630 | case ISCSI_IFACE_PARAM_MAX_BURST: | |
1631 | len = sprintf(buf, "%u\n", | |
1632 | ha->ip_config.iscsi_max_burst_len * | |
1633 | BYTE_UNITS); | |
1634 | break; | |
1635 | case ISCSI_IFACE_PARAM_CHAP_AUTH_EN: | |
1636 | OP_STATE(ha->ip_config.iscsi_options, | |
1637 | ISCSIOPTS_CHAP_AUTH_EN, pval); | |
1638 | ||
1639 | len = sprintf(buf, "%s\n", pval); | |
1640 | break; | |
1641 | case ISCSI_IFACE_PARAM_BIDI_CHAP_EN: | |
1642 | OP_STATE(ha->ip_config.iscsi_options, | |
1643 | ISCSIOPTS_BIDI_CHAP_EN, pval); | |
1644 | ||
1645 | len = sprintf(buf, "%s\n", pval); | |
1646 | break; | |
1647 | case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL: | |
1648 | OP_STATE(ha->ip_config.iscsi_options, | |
1649 | ISCSIOPTS_DISCOVERY_AUTH_EN, pval); | |
1650 | ||
1651 | len = sprintf(buf, "%s\n", pval); | |
1652 | break; | |
1653 | case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN: | |
1654 | OP_STATE(ha->ip_config.iscsi_options, | |
1655 | ISCSIOPTS_DISCOVERY_LOGOUT_EN, pval); | |
1656 | ||
1657 | len = sprintf(buf, "%s\n", pval); | |
1658 | break; | |
1659 | case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN: | |
1660 | OP_STATE(ha->ip_config.iscsi_options, | |
1661 | ISCSIOPTS_STRICT_LOGIN_COMP_EN, pval); | |
1662 | ||
1663 | len = sprintf(buf, "%s\n", pval); | |
1664 | break; | |
1665 | case ISCSI_IFACE_PARAM_INITIATOR_NAME: | |
1666 | len = sprintf(buf, "%s\n", ha->ip_config.iscsi_name); | |
1667 | break; | |
1668 | default: | |
1669 | len = -ENOSYS; | |
1670 | } | |
ed1086e0 VC |
1671 | } |
1672 | ||
1673 | return len; | |
1674 | } | |
1675 | ||
b3a271a9 MR |
1676 | static struct iscsi_endpoint * |
1677 | qla4xxx_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr, | |
1678 | int non_blocking) | |
5c656af7 | 1679 | { |
b3a271a9 MR |
1680 | int ret; |
1681 | struct iscsi_endpoint *ep; | |
1682 | struct qla_endpoint *qla_ep; | |
1683 | struct scsi_qla_host *ha; | |
1684 | struct sockaddr_in *addr; | |
1685 | struct sockaddr_in6 *addr6; | |
5c656af7 | 1686 | |
b3a271a9 MR |
1687 | if (!shost) { |
1688 | ret = -ENXIO; | |
c343c5e0 | 1689 | pr_err("%s: shost is NULL\n", __func__); |
b3a271a9 MR |
1690 | return ERR_PTR(ret); |
1691 | } | |
5c656af7 | 1692 | |
b3a271a9 | 1693 | ha = iscsi_host_priv(shost); |
b3a271a9 MR |
1694 | ep = iscsi_create_endpoint(sizeof(struct qla_endpoint)); |
1695 | if (!ep) { | |
1696 | ret = -ENOMEM; | |
1697 | return ERR_PTR(ret); | |
1698 | } | |
1699 | ||
1700 | qla_ep = ep->dd_data; | |
1701 | memset(qla_ep, 0, sizeof(struct qla_endpoint)); | |
1702 | if (dst_addr->sa_family == AF_INET) { | |
1703 | memcpy(&qla_ep->dst_addr, dst_addr, sizeof(struct sockaddr_in)); | |
1704 | addr = (struct sockaddr_in *)&qla_ep->dst_addr; | |
1705 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI4\n", __func__, | |
1706 | (char *)&addr->sin_addr)); | |
1707 | } else if (dst_addr->sa_family == AF_INET6) { | |
1708 | memcpy(&qla_ep->dst_addr, dst_addr, | |
1709 | sizeof(struct sockaddr_in6)); | |
1710 | addr6 = (struct sockaddr_in6 *)&qla_ep->dst_addr; | |
1711 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI6\n", __func__, | |
1712 | (char *)&addr6->sin6_addr)); | |
c343c5e0 VC |
1713 | } else { |
1714 | ql4_printk(KERN_WARNING, ha, "%s: Invalid endpoint\n", | |
1715 | __func__); | |
b3a271a9 MR |
1716 | } |
1717 | ||
1718 | qla_ep->host = shost; | |
1719 | ||
1720 | return ep; | |
5c656af7 MC |
1721 | } |
1722 | ||
b3a271a9 | 1723 | static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms) |
afaf5a2d | 1724 | { |
b3a271a9 MR |
1725 | struct qla_endpoint *qla_ep; |
1726 | struct scsi_qla_host *ha; | |
1727 | int ret = 0; | |
afaf5a2d | 1728 | |
b3a271a9 MR |
1729 | qla_ep = ep->dd_data; |
1730 | ha = to_qla_host(qla_ep->host); | |
c343c5e0 | 1731 | DEBUG2(pr_info_ratelimited("%s: host: %ld\n", __func__, ha->host_no)); |
b3a271a9 | 1732 | |
13483730 | 1733 | if (adapter_up(ha) && !test_bit(AF_BUILD_DDB_LIST, &ha->flags)) |
b3a271a9 MR |
1734 | ret = 1; |
1735 | ||
1736 | return ret; | |
1737 | } | |
1738 | ||
1739 | static void qla4xxx_ep_disconnect(struct iscsi_endpoint *ep) | |
1740 | { | |
c343c5e0 VC |
1741 | struct qla_endpoint *qla_ep; |
1742 | struct scsi_qla_host *ha; | |
1743 | ||
1744 | qla_ep = ep->dd_data; | |
1745 | ha = to_qla_host(qla_ep->host); | |
1746 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__, | |
1747 | ha->host_no)); | |
b3a271a9 MR |
1748 | iscsi_destroy_endpoint(ep); |
1749 | } | |
1750 | ||
1751 | static int qla4xxx_get_ep_param(struct iscsi_endpoint *ep, | |
1752 | enum iscsi_param param, | |
1753 | char *buf) | |
1754 | { | |
1755 | struct qla_endpoint *qla_ep = ep->dd_data; | |
1756 | struct sockaddr *dst_addr; | |
c343c5e0 | 1757 | struct scsi_qla_host *ha; |
b3a271a9 | 1758 | |
73597bdd AC |
1759 | if (!qla_ep) |
1760 | return -ENOTCONN; | |
1761 | ||
c343c5e0 VC |
1762 | ha = to_qla_host(qla_ep->host); |
1763 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__, | |
1764 | ha->host_no)); | |
b3a271a9 MR |
1765 | |
1766 | switch (param) { | |
1767 | case ISCSI_PARAM_CONN_PORT: | |
1768 | case ISCSI_PARAM_CONN_ADDRESS: | |
b3a271a9 MR |
1769 | dst_addr = (struct sockaddr *)&qla_ep->dst_addr; |
1770 | if (!dst_addr) | |
1771 | return -ENOTCONN; | |
1772 | ||
1773 | return iscsi_conn_get_addr_param((struct sockaddr_storage *) | |
1774 | &qla_ep->dst_addr, param, buf); | |
1775 | default: | |
1776 | return -ENOSYS; | |
1777 | } | |
1778 | } | |
1779 | ||
1780 | static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn, | |
1781 | struct iscsi_stats *stats) | |
1782 | { | |
1783 | struct iscsi_session *sess; | |
1784 | struct iscsi_cls_session *cls_sess; | |
1785 | struct ddb_entry *ddb_entry; | |
1786 | struct scsi_qla_host *ha; | |
1787 | struct ql_iscsi_stats *ql_iscsi_stats; | |
1788 | int stats_size; | |
1789 | int ret; | |
1790 | dma_addr_t iscsi_stats_dma; | |
1791 | ||
b3a271a9 MR |
1792 | cls_sess = iscsi_conn_to_session(cls_conn); |
1793 | sess = cls_sess->dd_data; | |
1794 | ddb_entry = sess->dd_data; | |
1795 | ha = ddb_entry->ha; | |
1796 | ||
c343c5e0 VC |
1797 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__, |
1798 | ha->host_no)); | |
b3a271a9 MR |
1799 | stats_size = PAGE_ALIGN(sizeof(struct ql_iscsi_stats)); |
1800 | /* Allocate memory */ | |
1801 | ql_iscsi_stats = dma_alloc_coherent(&ha->pdev->dev, stats_size, | |
1802 | &iscsi_stats_dma, GFP_KERNEL); | |
1803 | if (!ql_iscsi_stats) { | |
1804 | ql4_printk(KERN_ERR, ha, | |
1805 | "Unable to allocate memory for iscsi stats\n"); | |
1806 | goto exit_get_stats; | |
568d303b | 1807 | } |
b3a271a9 MR |
1808 | |
1809 | ret = qla4xxx_get_mgmt_data(ha, ddb_entry->fw_ddb_index, stats_size, | |
1810 | iscsi_stats_dma); | |
1811 | if (ret != QLA_SUCCESS) { | |
1812 | ql4_printk(KERN_ERR, ha, | |
59e13d48 | 1813 | "Unable to retrieve iscsi stats\n"); |
b3a271a9 MR |
1814 | goto free_stats; |
1815 | } | |
1816 | ||
1817 | /* octets */ | |
1818 | stats->txdata_octets = le64_to_cpu(ql_iscsi_stats->tx_data_octets); | |
1819 | stats->rxdata_octets = le64_to_cpu(ql_iscsi_stats->rx_data_octets); | |
1820 | /* xmit pdus */ | |
1821 | stats->noptx_pdus = le32_to_cpu(ql_iscsi_stats->tx_nopout_pdus); | |
1822 | stats->scsicmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_cmd_pdus); | |
1823 | stats->tmfcmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_tmf_cmd_pdus); | |
1824 | stats->login_pdus = le32_to_cpu(ql_iscsi_stats->tx_login_cmd_pdus); | |
1825 | stats->text_pdus = le32_to_cpu(ql_iscsi_stats->tx_text_cmd_pdus); | |
1826 | stats->dataout_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_write_pdus); | |
1827 | stats->logout_pdus = le32_to_cpu(ql_iscsi_stats->tx_logout_cmd_pdus); | |
1828 | stats->snack_pdus = le32_to_cpu(ql_iscsi_stats->tx_snack_req_pdus); | |
1829 | /* recv pdus */ | |
1830 | stats->noprx_pdus = le32_to_cpu(ql_iscsi_stats->rx_nopin_pdus); | |
1831 | stats->scsirsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_resp_pdus); | |
1832 | stats->tmfrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_tmf_resp_pdus); | |
1833 | stats->textrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_text_resp_pdus); | |
1834 | stats->datain_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_read_pdus); | |
1835 | stats->logoutrsp_pdus = | |
1836 | le32_to_cpu(ql_iscsi_stats->rx_logout_resp_pdus); | |
1837 | stats->r2t_pdus = le32_to_cpu(ql_iscsi_stats->rx_r2t_pdus); | |
1838 | stats->async_pdus = le32_to_cpu(ql_iscsi_stats->rx_async_pdus); | |
1839 | stats->rjt_pdus = le32_to_cpu(ql_iscsi_stats->rx_reject_pdus); | |
1840 | ||
1841 | free_stats: | |
1842 | dma_free_coherent(&ha->pdev->dev, stats_size, ql_iscsi_stats, | |
1843 | iscsi_stats_dma); | |
1844 | exit_get_stats: | |
1845 | return; | |
1846 | } | |
1847 | ||
1848 | static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc) | |
1849 | { | |
1850 | struct iscsi_cls_session *session; | |
1851 | struct iscsi_session *sess; | |
1852 | unsigned long flags; | |
1853 | enum blk_eh_timer_return ret = BLK_EH_NOT_HANDLED; | |
1854 | ||
1855 | session = starget_to_session(scsi_target(sc->device)); | |
1856 | sess = session->dd_data; | |
1857 | ||
1858 | spin_lock_irqsave(&session->lock, flags); | |
1859 | if (session->state == ISCSI_SESSION_FAILED) | |
1860 | ret = BLK_EH_RESET_TIMER; | |
1861 | spin_unlock_irqrestore(&session->lock, flags); | |
1862 | ||
1863 | return ret; | |
afaf5a2d DS |
1864 | } |
1865 | ||
3254dbe9 VC |
1866 | static void qla4xxx_set_port_speed(struct Scsi_Host *shost) |
1867 | { | |
1868 | struct scsi_qla_host *ha = to_qla_host(shost); | |
e16d166e | 1869 | struct iscsi_cls_host *ihost = shost->shost_data; |
3254dbe9 VC |
1870 | uint32_t speed = ISCSI_PORT_SPEED_UNKNOWN; |
1871 | ||
1872 | qla4xxx_get_firmware_state(ha); | |
1873 | ||
1874 | switch (ha->addl_fw_state & 0x0F00) { | |
1875 | case FW_ADDSTATE_LINK_SPEED_10MBPS: | |
1876 | speed = ISCSI_PORT_SPEED_10MBPS; | |
1877 | break; | |
1878 | case FW_ADDSTATE_LINK_SPEED_100MBPS: | |
1879 | speed = ISCSI_PORT_SPEED_100MBPS; | |
1880 | break; | |
1881 | case FW_ADDSTATE_LINK_SPEED_1GBPS: | |
1882 | speed = ISCSI_PORT_SPEED_1GBPS; | |
1883 | break; | |
1884 | case FW_ADDSTATE_LINK_SPEED_10GBPS: | |
1885 | speed = ISCSI_PORT_SPEED_10GBPS; | |
1886 | break; | |
1887 | } | |
1888 | ihost->port_speed = speed; | |
1889 | } | |
1890 | ||
1891 | static void qla4xxx_set_port_state(struct Scsi_Host *shost) | |
1892 | { | |
1893 | struct scsi_qla_host *ha = to_qla_host(shost); | |
e16d166e | 1894 | struct iscsi_cls_host *ihost = shost->shost_data; |
3254dbe9 VC |
1895 | uint32_t state = ISCSI_PORT_STATE_DOWN; |
1896 | ||
1897 | if (test_bit(AF_LINK_UP, &ha->flags)) | |
1898 | state = ISCSI_PORT_STATE_UP; | |
1899 | ||
1900 | ihost->port_state = state; | |
1901 | } | |
1902 | ||
aa1e93a2 MC |
1903 | static int qla4xxx_host_get_param(struct Scsi_Host *shost, |
1904 | enum iscsi_host_param param, char *buf) | |
1905 | { | |
1906 | struct scsi_qla_host *ha = to_qla_host(shost); | |
1907 | int len; | |
1908 | ||
1909 | switch (param) { | |
1910 | case ISCSI_HOST_PARAM_HWADDRESS: | |
7ffc49a6 | 1911 | len = sysfs_format_mac(buf, ha->my_mac, MAC_ADDR_LEN); |
8ad5781a | 1912 | break; |
22236961 | 1913 | case ISCSI_HOST_PARAM_IPADDRESS: |
2bab08fc | 1914 | len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address); |
22236961 | 1915 | break; |
8ad5781a | 1916 | case ISCSI_HOST_PARAM_INITIATOR_NAME: |
22236961 | 1917 | len = sprintf(buf, "%s\n", ha->name_string); |
aa1e93a2 | 1918 | break; |
3254dbe9 VC |
1919 | case ISCSI_HOST_PARAM_PORT_STATE: |
1920 | qla4xxx_set_port_state(shost); | |
1921 | len = sprintf(buf, "%s\n", iscsi_get_port_state_name(shost)); | |
1922 | break; | |
1923 | case ISCSI_HOST_PARAM_PORT_SPEED: | |
1924 | qla4xxx_set_port_speed(shost); | |
1925 | len = sprintf(buf, "%s\n", iscsi_get_port_speed_name(shost)); | |
1926 | break; | |
aa1e93a2 MC |
1927 | default: |
1928 | return -ENOSYS; | |
1929 | } | |
1930 | ||
1931 | return len; | |
1932 | } | |
1933 | ||
ed1086e0 VC |
1934 | static void qla4xxx_create_ipv4_iface(struct scsi_qla_host *ha) |
1935 | { | |
1936 | if (ha->iface_ipv4) | |
1937 | return; | |
1938 | ||
1939 | /* IPv4 */ | |
1940 | ha->iface_ipv4 = iscsi_create_iface(ha->host, | |
1941 | &qla4xxx_iscsi_transport, | |
1942 | ISCSI_IFACE_TYPE_IPV4, 0, 0); | |
1943 | if (!ha->iface_ipv4) | |
1944 | ql4_printk(KERN_ERR, ha, "Could not create IPv4 iSCSI " | |
1945 | "iface0.\n"); | |
1946 | } | |
1947 | ||
1948 | static void qla4xxx_create_ipv6_iface(struct scsi_qla_host *ha) | |
1949 | { | |
1950 | if (!ha->iface_ipv6_0) | |
1951 | /* IPv6 iface-0 */ | |
1952 | ha->iface_ipv6_0 = iscsi_create_iface(ha->host, | |
1953 | &qla4xxx_iscsi_transport, | |
1954 | ISCSI_IFACE_TYPE_IPV6, 0, | |
1955 | 0); | |
1956 | if (!ha->iface_ipv6_0) | |
1957 | ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI " | |
1958 | "iface0.\n"); | |
1959 | ||
1960 | if (!ha->iface_ipv6_1) | |
1961 | /* IPv6 iface-1 */ | |
1962 | ha->iface_ipv6_1 = iscsi_create_iface(ha->host, | |
1963 | &qla4xxx_iscsi_transport, | |
1964 | ISCSI_IFACE_TYPE_IPV6, 1, | |
1965 | 0); | |
1966 | if (!ha->iface_ipv6_1) | |
1967 | ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI " | |
1968 | "iface1.\n"); | |
1969 | } | |
1970 | ||
1971 | static void qla4xxx_create_ifaces(struct scsi_qla_host *ha) | |
1972 | { | |
1973 | if (ha->ip_config.ipv4_options & IPOPT_IPV4_PROTOCOL_ENABLE) | |
1974 | qla4xxx_create_ipv4_iface(ha); | |
1975 | ||
1976 | if (ha->ip_config.ipv6_options & IPV6_OPT_IPV6_PROTOCOL_ENABLE) | |
1977 | qla4xxx_create_ipv6_iface(ha); | |
1978 | } | |
1979 | ||
1980 | static void qla4xxx_destroy_ipv4_iface(struct scsi_qla_host *ha) | |
1981 | { | |
1982 | if (ha->iface_ipv4) { | |
1983 | iscsi_destroy_iface(ha->iface_ipv4); | |
1984 | ha->iface_ipv4 = NULL; | |
1985 | } | |
1986 | } | |
1987 | ||
1988 | static void qla4xxx_destroy_ipv6_iface(struct scsi_qla_host *ha) | |
1989 | { | |
1990 | if (ha->iface_ipv6_0) { | |
1991 | iscsi_destroy_iface(ha->iface_ipv6_0); | |
1992 | ha->iface_ipv6_0 = NULL; | |
1993 | } | |
1994 | if (ha->iface_ipv6_1) { | |
1995 | iscsi_destroy_iface(ha->iface_ipv6_1); | |
1996 | ha->iface_ipv6_1 = NULL; | |
1997 | } | |
1998 | } | |
1999 | ||
2000 | static void qla4xxx_destroy_ifaces(struct scsi_qla_host *ha) | |
2001 | { | |
2002 | qla4xxx_destroy_ipv4_iface(ha); | |
2003 | qla4xxx_destroy_ipv6_iface(ha); | |
2004 | } | |
2005 | ||
d00efe3f MC |
2006 | static void qla4xxx_set_ipv6(struct scsi_qla_host *ha, |
2007 | struct iscsi_iface_param_info *iface_param, | |
2008 | struct addr_ctrl_blk *init_fw_cb) | |
2009 | { | |
2010 | /* | |
2011 | * iface_num 0 is valid for IPv6 Addr, linklocal, router, autocfg. | |
2012 | * iface_num 1 is valid only for IPv6 Addr. | |
2013 | */ | |
2014 | switch (iface_param->param) { | |
2015 | case ISCSI_NET_PARAM_IPV6_ADDR: | |
2016 | if (iface_param->iface_num & 0x1) | |
2017 | /* IPv6 Addr 1 */ | |
2018 | memcpy(init_fw_cb->ipv6_addr1, iface_param->value, | |
2019 | sizeof(init_fw_cb->ipv6_addr1)); | |
2020 | else | |
2021 | /* IPv6 Addr 0 */ | |
2022 | memcpy(init_fw_cb->ipv6_addr0, iface_param->value, | |
2023 | sizeof(init_fw_cb->ipv6_addr0)); | |
2024 | break; | |
2025 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL: | |
2026 | if (iface_param->iface_num & 0x1) | |
2027 | break; | |
2028 | memcpy(init_fw_cb->ipv6_if_id, &iface_param->value[8], | |
2029 | sizeof(init_fw_cb->ipv6_if_id)); | |
2030 | break; | |
2031 | case ISCSI_NET_PARAM_IPV6_ROUTER: | |
2032 | if (iface_param->iface_num & 0x1) | |
2033 | break; | |
2034 | memcpy(init_fw_cb->ipv6_dflt_rtr_addr, iface_param->value, | |
2035 | sizeof(init_fw_cb->ipv6_dflt_rtr_addr)); | |
2036 | break; | |
2037 | case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: | |
2038 | /* Autocfg applies to even interface */ | |
2039 | if (iface_param->iface_num & 0x1) | |
2040 | break; | |
2041 | ||
2042 | if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_DISABLE) | |
2043 | init_fw_cb->ipv6_addtl_opts &= | |
2044 | cpu_to_le16( | |
2045 | ~IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE); | |
2046 | else if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_ND_ENABLE) | |
2047 | init_fw_cb->ipv6_addtl_opts |= | |
2048 | cpu_to_le16( | |
2049 | IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE); | |
2050 | else | |
f8e93412 HZ |
2051 | ql4_printk(KERN_ERR, ha, |
2052 | "Invalid autocfg setting for IPv6 addr\n"); | |
d00efe3f MC |
2053 | break; |
2054 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: | |
2055 | /* Autocfg applies to even interface */ | |
2056 | if (iface_param->iface_num & 0x1) | |
2057 | break; | |
2058 | ||
2059 | if (iface_param->value[0] == | |
2060 | ISCSI_IPV6_LINKLOCAL_AUTOCFG_ENABLE) | |
2061 | init_fw_cb->ipv6_addtl_opts |= cpu_to_le16( | |
2062 | IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR); | |
2063 | else if (iface_param->value[0] == | |
2064 | ISCSI_IPV6_LINKLOCAL_AUTOCFG_DISABLE) | |
2065 | init_fw_cb->ipv6_addtl_opts &= cpu_to_le16( | |
2066 | ~IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR); | |
2067 | else | |
f8e93412 HZ |
2068 | ql4_printk(KERN_ERR, ha, |
2069 | "Invalid autocfg setting for IPv6 linklocal addr\n"); | |
d00efe3f MC |
2070 | break; |
2071 | case ISCSI_NET_PARAM_IPV6_ROUTER_AUTOCFG: | |
2072 | /* Autocfg applies to even interface */ | |
2073 | if (iface_param->iface_num & 0x1) | |
2074 | break; | |
2075 | ||
2076 | if (iface_param->value[0] == ISCSI_IPV6_ROUTER_AUTOCFG_ENABLE) | |
2077 | memset(init_fw_cb->ipv6_dflt_rtr_addr, 0, | |
2078 | sizeof(init_fw_cb->ipv6_dflt_rtr_addr)); | |
2079 | break; | |
2080 | case ISCSI_NET_PARAM_IFACE_ENABLE: | |
ed1086e0 | 2081 | if (iface_param->value[0] == ISCSI_IFACE_ENABLE) { |
d00efe3f MC |
2082 | init_fw_cb->ipv6_opts |= |
2083 | cpu_to_le16(IPV6_OPT_IPV6_PROTOCOL_ENABLE); | |
ed1086e0 VC |
2084 | qla4xxx_create_ipv6_iface(ha); |
2085 | } else { | |
d00efe3f MC |
2086 | init_fw_cb->ipv6_opts &= |
2087 | cpu_to_le16(~IPV6_OPT_IPV6_PROTOCOL_ENABLE & | |
2088 | 0xFFFF); | |
ed1086e0 VC |
2089 | qla4xxx_destroy_ipv6_iface(ha); |
2090 | } | |
d00efe3f | 2091 | break; |
2d63673b | 2092 | case ISCSI_NET_PARAM_VLAN_TAG: |
d00efe3f MC |
2093 | if (iface_param->len != sizeof(init_fw_cb->ipv6_vlan_tag)) |
2094 | break; | |
6ac73e8c VC |
2095 | init_fw_cb->ipv6_vlan_tag = |
2096 | cpu_to_be16(*(uint16_t *)iface_param->value); | |
2097 | break; | |
2098 | case ISCSI_NET_PARAM_VLAN_ENABLED: | |
2099 | if (iface_param->value[0] == ISCSI_VLAN_ENABLE) | |
2100 | init_fw_cb->ipv6_opts |= | |
2101 | cpu_to_le16(IPV6_OPT_VLAN_TAGGING_ENABLE); | |
2102 | else | |
2103 | init_fw_cb->ipv6_opts &= | |
2104 | cpu_to_le16(~IPV6_OPT_VLAN_TAGGING_ENABLE); | |
d00efe3f | 2105 | break; |
943c157b VC |
2106 | case ISCSI_NET_PARAM_MTU: |
2107 | init_fw_cb->eth_mtu_size = | |
2108 | cpu_to_le16(*(uint16_t *)iface_param->value); | |
2109 | break; | |
2ada7fc5 VC |
2110 | case ISCSI_NET_PARAM_PORT: |
2111 | /* Autocfg applies to even interface */ | |
2112 | if (iface_param->iface_num & 0x1) | |
2113 | break; | |
2114 | ||
2115 | init_fw_cb->ipv6_port = | |
2116 | cpu_to_le16(*(uint16_t *)iface_param->value); | |
2117 | break; | |
f8e93412 HZ |
2118 | case ISCSI_NET_PARAM_DELAYED_ACK_EN: |
2119 | if (iface_param->iface_num & 0x1) | |
2120 | break; | |
2121 | if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) | |
2122 | init_fw_cb->ipv6_tcp_opts |= | |
2123 | cpu_to_le16(IPV6_TCPOPT_DELAYED_ACK_DISABLE); | |
2124 | else | |
2125 | init_fw_cb->ipv6_tcp_opts &= | |
8f10872a VC |
2126 | cpu_to_le16(~IPV6_TCPOPT_DELAYED_ACK_DISABLE & |
2127 | 0xFFFF); | |
f8e93412 HZ |
2128 | break; |
2129 | case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE: | |
2130 | if (iface_param->iface_num & 0x1) | |
2131 | break; | |
2132 | if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) | |
2133 | init_fw_cb->ipv6_tcp_opts |= | |
2134 | cpu_to_le16(IPV6_TCPOPT_NAGLE_ALGO_DISABLE); | |
2135 | else | |
2136 | init_fw_cb->ipv6_tcp_opts &= | |
2137 | cpu_to_le16(~IPV6_TCPOPT_NAGLE_ALGO_DISABLE); | |
2138 | break; | |
2139 | case ISCSI_NET_PARAM_TCP_WSF_DISABLE: | |
2140 | if (iface_param->iface_num & 0x1) | |
2141 | break; | |
2142 | if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) | |
2143 | init_fw_cb->ipv6_tcp_opts |= | |
2144 | cpu_to_le16(IPV6_TCPOPT_WINDOW_SCALE_DISABLE); | |
2145 | else | |
2146 | init_fw_cb->ipv6_tcp_opts &= | |
2147 | cpu_to_le16(~IPV6_TCPOPT_WINDOW_SCALE_DISABLE); | |
2148 | break; | |
2149 | case ISCSI_NET_PARAM_TCP_WSF: | |
2150 | if (iface_param->iface_num & 0x1) | |
2151 | break; | |
2152 | init_fw_cb->ipv6_tcp_wsf = iface_param->value[0]; | |
2153 | break; | |
2154 | case ISCSI_NET_PARAM_TCP_TIMER_SCALE: | |
2155 | if (iface_param->iface_num & 0x1) | |
2156 | break; | |
2157 | init_fw_cb->ipv6_tcp_opts &= | |
2158 | cpu_to_le16(~IPV6_TCPOPT_TIMER_SCALE); | |
2159 | init_fw_cb->ipv6_tcp_opts |= | |
2160 | cpu_to_le16((iface_param->value[0] << 1) & | |
2161 | IPV6_TCPOPT_TIMER_SCALE); | |
2162 | break; | |
2163 | case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN: | |
2164 | if (iface_param->iface_num & 0x1) | |
2165 | break; | |
2166 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2167 | init_fw_cb->ipv6_tcp_opts |= | |
2168 | cpu_to_le16(IPV6_TCPOPT_TIMESTAMP_EN); | |
2169 | else | |
2170 | init_fw_cb->ipv6_tcp_opts &= | |
2171 | cpu_to_le16(~IPV6_TCPOPT_TIMESTAMP_EN); | |
2172 | break; | |
2173 | case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN: | |
2174 | if (iface_param->iface_num & 0x1) | |
2175 | break; | |
2176 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2177 | init_fw_cb->ipv6_opts |= | |
2178 | cpu_to_le16(IPV6_OPT_GRAT_NEIGHBOR_ADV_EN); | |
2179 | else | |
2180 | init_fw_cb->ipv6_opts &= | |
2181 | cpu_to_le16(~IPV6_OPT_GRAT_NEIGHBOR_ADV_EN); | |
2182 | break; | |
2183 | case ISCSI_NET_PARAM_REDIRECT_EN: | |
2184 | if (iface_param->iface_num & 0x1) | |
2185 | break; | |
2186 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2187 | init_fw_cb->ipv6_opts |= | |
2188 | cpu_to_le16(IPV6_OPT_REDIRECT_EN); | |
2189 | else | |
2190 | init_fw_cb->ipv6_opts &= | |
2191 | cpu_to_le16(~IPV6_OPT_REDIRECT_EN); | |
2192 | break; | |
2193 | case ISCSI_NET_PARAM_IPV6_MLD_EN: | |
2194 | if (iface_param->iface_num & 0x1) | |
2195 | break; | |
2196 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2197 | init_fw_cb->ipv6_addtl_opts |= | |
2198 | cpu_to_le16(IPV6_ADDOPT_MLD_EN); | |
2199 | else | |
2200 | init_fw_cb->ipv6_addtl_opts &= | |
2201 | cpu_to_le16(~IPV6_ADDOPT_MLD_EN); | |
2202 | break; | |
2203 | case ISCSI_NET_PARAM_IPV6_FLOW_LABEL: | |
2204 | if (iface_param->iface_num & 0x1) | |
2205 | break; | |
2206 | init_fw_cb->ipv6_flow_lbl = | |
2207 | cpu_to_le16(*(uint16_t *)iface_param->value); | |
2208 | break; | |
2209 | case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS: | |
2210 | if (iface_param->iface_num & 0x1) | |
2211 | break; | |
2212 | init_fw_cb->ipv6_traffic_class = iface_param->value[0]; | |
2213 | break; | |
2214 | case ISCSI_NET_PARAM_IPV6_HOP_LIMIT: | |
2215 | if (iface_param->iface_num & 0x1) | |
2216 | break; | |
2217 | init_fw_cb->ipv6_hop_limit = iface_param->value[0]; | |
2218 | break; | |
2219 | case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO: | |
2220 | if (iface_param->iface_num & 0x1) | |
2221 | break; | |
2222 | init_fw_cb->ipv6_nd_reach_time = | |
2223 | cpu_to_le32(*(uint32_t *)iface_param->value); | |
2224 | break; | |
2225 | case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME: | |
2226 | if (iface_param->iface_num & 0x1) | |
2227 | break; | |
2228 | init_fw_cb->ipv6_nd_rexmit_timer = | |
2229 | cpu_to_le32(*(uint32_t *)iface_param->value); | |
2230 | break; | |
2231 | case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO: | |
2232 | if (iface_param->iface_num & 0x1) | |
2233 | break; | |
2234 | init_fw_cb->ipv6_nd_stale_timeout = | |
2235 | cpu_to_le32(*(uint32_t *)iface_param->value); | |
2236 | break; | |
2237 | case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT: | |
2238 | if (iface_param->iface_num & 0x1) | |
2239 | break; | |
2240 | init_fw_cb->ipv6_dup_addr_detect_count = iface_param->value[0]; | |
2241 | break; | |
2242 | case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU: | |
2243 | if (iface_param->iface_num & 0x1) | |
2244 | break; | |
2245 | init_fw_cb->ipv6_gw_advrt_mtu = | |
2246 | cpu_to_le32(*(uint32_t *)iface_param->value); | |
2247 | break; | |
d00efe3f MC |
2248 | default: |
2249 | ql4_printk(KERN_ERR, ha, "Unknown IPv6 param = %d\n", | |
2250 | iface_param->param); | |
2251 | break; | |
2252 | } | |
2253 | } | |
2254 | ||
2255 | static void qla4xxx_set_ipv4(struct scsi_qla_host *ha, | |
2256 | struct iscsi_iface_param_info *iface_param, | |
2257 | struct addr_ctrl_blk *init_fw_cb) | |
2258 | { | |
2259 | switch (iface_param->param) { | |
2260 | case ISCSI_NET_PARAM_IPV4_ADDR: | |
2261 | memcpy(init_fw_cb->ipv4_addr, iface_param->value, | |
2262 | sizeof(init_fw_cb->ipv4_addr)); | |
2263 | break; | |
2264 | case ISCSI_NET_PARAM_IPV4_SUBNET: | |
2265 | memcpy(init_fw_cb->ipv4_subnet, iface_param->value, | |
2266 | sizeof(init_fw_cb->ipv4_subnet)); | |
2267 | break; | |
2268 | case ISCSI_NET_PARAM_IPV4_GW: | |
2269 | memcpy(init_fw_cb->ipv4_gw_addr, iface_param->value, | |
2270 | sizeof(init_fw_cb->ipv4_gw_addr)); | |
2271 | break; | |
2272 | case ISCSI_NET_PARAM_IPV4_BOOTPROTO: | |
2273 | if (iface_param->value[0] == ISCSI_BOOTPROTO_DHCP) | |
2274 | init_fw_cb->ipv4_tcp_opts |= | |
2275 | cpu_to_le16(TCPOPT_DHCP_ENABLE); | |
2276 | else if (iface_param->value[0] == ISCSI_BOOTPROTO_STATIC) | |
2277 | init_fw_cb->ipv4_tcp_opts &= | |
2278 | cpu_to_le16(~TCPOPT_DHCP_ENABLE); | |
2279 | else | |
2280 | ql4_printk(KERN_ERR, ha, "Invalid IPv4 bootproto\n"); | |
2281 | break; | |
2282 | case ISCSI_NET_PARAM_IFACE_ENABLE: | |
ed1086e0 | 2283 | if (iface_param->value[0] == ISCSI_IFACE_ENABLE) { |
d00efe3f | 2284 | init_fw_cb->ipv4_ip_opts |= |
2bab08fc | 2285 | cpu_to_le16(IPOPT_IPV4_PROTOCOL_ENABLE); |
ed1086e0 VC |
2286 | qla4xxx_create_ipv4_iface(ha); |
2287 | } else { | |
d00efe3f | 2288 | init_fw_cb->ipv4_ip_opts &= |
2bab08fc | 2289 | cpu_to_le16(~IPOPT_IPV4_PROTOCOL_ENABLE & |
d00efe3f | 2290 | 0xFFFF); |
ed1086e0 VC |
2291 | qla4xxx_destroy_ipv4_iface(ha); |
2292 | } | |
d00efe3f | 2293 | break; |
2d63673b | 2294 | case ISCSI_NET_PARAM_VLAN_TAG: |
d00efe3f MC |
2295 | if (iface_param->len != sizeof(init_fw_cb->ipv4_vlan_tag)) |
2296 | break; | |
6ac73e8c VC |
2297 | init_fw_cb->ipv4_vlan_tag = |
2298 | cpu_to_be16(*(uint16_t *)iface_param->value); | |
2299 | break; | |
2300 | case ISCSI_NET_PARAM_VLAN_ENABLED: | |
2301 | if (iface_param->value[0] == ISCSI_VLAN_ENABLE) | |
2302 | init_fw_cb->ipv4_ip_opts |= | |
2303 | cpu_to_le16(IPOPT_VLAN_TAGGING_ENABLE); | |
2304 | else | |
2305 | init_fw_cb->ipv4_ip_opts &= | |
2306 | cpu_to_le16(~IPOPT_VLAN_TAGGING_ENABLE); | |
d00efe3f | 2307 | break; |
943c157b VC |
2308 | case ISCSI_NET_PARAM_MTU: |
2309 | init_fw_cb->eth_mtu_size = | |
2310 | cpu_to_le16(*(uint16_t *)iface_param->value); | |
2311 | break; | |
2ada7fc5 VC |
2312 | case ISCSI_NET_PARAM_PORT: |
2313 | init_fw_cb->ipv4_port = | |
2314 | cpu_to_le16(*(uint16_t *)iface_param->value); | |
2315 | break; | |
f8e93412 HZ |
2316 | case ISCSI_NET_PARAM_DELAYED_ACK_EN: |
2317 | if (iface_param->iface_num & 0x1) | |
2318 | break; | |
2319 | if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) | |
2320 | init_fw_cb->ipv4_tcp_opts |= | |
2321 | cpu_to_le16(TCPOPT_DELAYED_ACK_DISABLE); | |
2322 | else | |
2323 | init_fw_cb->ipv4_tcp_opts &= | |
8f10872a VC |
2324 | cpu_to_le16(~TCPOPT_DELAYED_ACK_DISABLE & |
2325 | 0xFFFF); | |
f8e93412 HZ |
2326 | break; |
2327 | case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE: | |
2328 | if (iface_param->iface_num & 0x1) | |
2329 | break; | |
2330 | if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) | |
2331 | init_fw_cb->ipv4_tcp_opts |= | |
2332 | cpu_to_le16(TCPOPT_NAGLE_ALGO_DISABLE); | |
2333 | else | |
2334 | init_fw_cb->ipv4_tcp_opts &= | |
2335 | cpu_to_le16(~TCPOPT_NAGLE_ALGO_DISABLE); | |
2336 | break; | |
2337 | case ISCSI_NET_PARAM_TCP_WSF_DISABLE: | |
2338 | if (iface_param->iface_num & 0x1) | |
2339 | break; | |
2340 | if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) | |
2341 | init_fw_cb->ipv4_tcp_opts |= | |
2342 | cpu_to_le16(TCPOPT_WINDOW_SCALE_DISABLE); | |
2343 | else | |
2344 | init_fw_cb->ipv4_tcp_opts &= | |
2345 | cpu_to_le16(~TCPOPT_WINDOW_SCALE_DISABLE); | |
2346 | break; | |
2347 | case ISCSI_NET_PARAM_TCP_WSF: | |
2348 | if (iface_param->iface_num & 0x1) | |
2349 | break; | |
2350 | init_fw_cb->ipv4_tcp_wsf = iface_param->value[0]; | |
2351 | break; | |
2352 | case ISCSI_NET_PARAM_TCP_TIMER_SCALE: | |
2353 | if (iface_param->iface_num & 0x1) | |
2354 | break; | |
2355 | init_fw_cb->ipv4_tcp_opts &= cpu_to_le16(~TCPOPT_TIMER_SCALE); | |
2356 | init_fw_cb->ipv4_tcp_opts |= | |
2357 | cpu_to_le16((iface_param->value[0] << 1) & | |
2358 | TCPOPT_TIMER_SCALE); | |
2359 | break; | |
2360 | case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN: | |
2361 | if (iface_param->iface_num & 0x1) | |
2362 | break; | |
2363 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2364 | init_fw_cb->ipv4_tcp_opts |= | |
2365 | cpu_to_le16(TCPOPT_TIMESTAMP_ENABLE); | |
2366 | else | |
2367 | init_fw_cb->ipv4_tcp_opts &= | |
2368 | cpu_to_le16(~TCPOPT_TIMESTAMP_ENABLE); | |
2369 | break; | |
2370 | case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN: | |
2371 | if (iface_param->iface_num & 0x1) | |
2372 | break; | |
2373 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2374 | init_fw_cb->ipv4_tcp_opts |= | |
2375 | cpu_to_le16(TCPOPT_DNS_SERVER_IP_EN); | |
2376 | else | |
2377 | init_fw_cb->ipv4_tcp_opts &= | |
2378 | cpu_to_le16(~TCPOPT_DNS_SERVER_IP_EN); | |
2379 | break; | |
2380 | case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN: | |
2381 | if (iface_param->iface_num & 0x1) | |
2382 | break; | |
2383 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2384 | init_fw_cb->ipv4_tcp_opts |= | |
2385 | cpu_to_le16(TCPOPT_SLP_DA_INFO_EN); | |
2386 | else | |
2387 | init_fw_cb->ipv4_tcp_opts &= | |
2388 | cpu_to_le16(~TCPOPT_SLP_DA_INFO_EN); | |
2389 | break; | |
2390 | case ISCSI_NET_PARAM_IPV4_TOS_EN: | |
2391 | if (iface_param->iface_num & 0x1) | |
2392 | break; | |
2393 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2394 | init_fw_cb->ipv4_ip_opts |= | |
2395 | cpu_to_le16(IPOPT_IPV4_TOS_EN); | |
2396 | else | |
2397 | init_fw_cb->ipv4_ip_opts &= | |
2398 | cpu_to_le16(~IPOPT_IPV4_TOS_EN); | |
2399 | break; | |
2400 | case ISCSI_NET_PARAM_IPV4_TOS: | |
2401 | if (iface_param->iface_num & 0x1) | |
2402 | break; | |
2403 | init_fw_cb->ipv4_tos = iface_param->value[0]; | |
2404 | break; | |
2405 | case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN: | |
2406 | if (iface_param->iface_num & 0x1) | |
2407 | break; | |
2408 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2409 | init_fw_cb->ipv4_ip_opts |= | |
2410 | cpu_to_le16(IPOPT_GRAT_ARP_EN); | |
2411 | else | |
2412 | init_fw_cb->ipv4_ip_opts &= | |
2413 | cpu_to_le16(~IPOPT_GRAT_ARP_EN); | |
2414 | break; | |
2415 | case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN: | |
2416 | if (iface_param->iface_num & 0x1) | |
2417 | break; | |
2418 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2419 | init_fw_cb->ipv4_ip_opts |= | |
2420 | cpu_to_le16(IPOPT_ALT_CID_EN); | |
2421 | else | |
2422 | init_fw_cb->ipv4_ip_opts &= | |
2423 | cpu_to_le16(~IPOPT_ALT_CID_EN); | |
2424 | break; | |
2425 | case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID: | |
2426 | if (iface_param->iface_num & 0x1) | |
2427 | break; | |
2428 | memcpy(init_fw_cb->ipv4_dhcp_alt_cid, iface_param->value, | |
2429 | (sizeof(init_fw_cb->ipv4_dhcp_alt_cid) - 1)); | |
2430 | init_fw_cb->ipv4_dhcp_alt_cid_len = | |
2431 | strlen(init_fw_cb->ipv4_dhcp_alt_cid); | |
2432 | break; | |
2433 | case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN: | |
2434 | if (iface_param->iface_num & 0x1) | |
2435 | break; | |
2436 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2437 | init_fw_cb->ipv4_ip_opts |= | |
2438 | cpu_to_le16(IPOPT_REQ_VID_EN); | |
2439 | else | |
2440 | init_fw_cb->ipv4_ip_opts &= | |
2441 | cpu_to_le16(~IPOPT_REQ_VID_EN); | |
2442 | break; | |
2443 | case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN: | |
2444 | if (iface_param->iface_num & 0x1) | |
2445 | break; | |
2446 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2447 | init_fw_cb->ipv4_ip_opts |= | |
2448 | cpu_to_le16(IPOPT_USE_VID_EN); | |
2449 | else | |
2450 | init_fw_cb->ipv4_ip_opts &= | |
2451 | cpu_to_le16(~IPOPT_USE_VID_EN); | |
2452 | break; | |
2453 | case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID: | |
2454 | if (iface_param->iface_num & 0x1) | |
2455 | break; | |
2456 | memcpy(init_fw_cb->ipv4_dhcp_vid, iface_param->value, | |
2457 | (sizeof(init_fw_cb->ipv4_dhcp_vid) - 1)); | |
2458 | init_fw_cb->ipv4_dhcp_vid_len = | |
2459 | strlen(init_fw_cb->ipv4_dhcp_vid); | |
2460 | break; | |
2461 | case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN: | |
2462 | if (iface_param->iface_num & 0x1) | |
2463 | break; | |
2464 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2465 | init_fw_cb->ipv4_ip_opts |= | |
2466 | cpu_to_le16(IPOPT_LEARN_IQN_EN); | |
2467 | else | |
2468 | init_fw_cb->ipv4_ip_opts &= | |
2469 | cpu_to_le16(~IPOPT_LEARN_IQN_EN); | |
2470 | break; | |
2471 | case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE: | |
2472 | if (iface_param->iface_num & 0x1) | |
2473 | break; | |
2474 | if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) | |
2475 | init_fw_cb->ipv4_ip_opts |= | |
2476 | cpu_to_le16(IPOPT_FRAGMENTATION_DISABLE); | |
2477 | else | |
2478 | init_fw_cb->ipv4_ip_opts &= | |
2479 | cpu_to_le16(~IPOPT_FRAGMENTATION_DISABLE); | |
2480 | break; | |
2481 | case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN: | |
2482 | if (iface_param->iface_num & 0x1) | |
2483 | break; | |
2484 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2485 | init_fw_cb->ipv4_ip_opts |= | |
2486 | cpu_to_le16(IPOPT_IN_FORWARD_EN); | |
2487 | else | |
2488 | init_fw_cb->ipv4_ip_opts &= | |
2489 | cpu_to_le16(~IPOPT_IN_FORWARD_EN); | |
2490 | break; | |
2491 | case ISCSI_NET_PARAM_REDIRECT_EN: | |
2492 | if (iface_param->iface_num & 0x1) | |
2493 | break; | |
2494 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2495 | init_fw_cb->ipv4_ip_opts |= | |
2496 | cpu_to_le16(IPOPT_ARP_REDIRECT_EN); | |
2497 | else | |
2498 | init_fw_cb->ipv4_ip_opts &= | |
2499 | cpu_to_le16(~IPOPT_ARP_REDIRECT_EN); | |
2500 | break; | |
2501 | case ISCSI_NET_PARAM_IPV4_TTL: | |
2502 | if (iface_param->iface_num & 0x1) | |
2503 | break; | |
2504 | init_fw_cb->ipv4_ttl = iface_param->value[0]; | |
2505 | break; | |
d00efe3f MC |
2506 | default: |
2507 | ql4_printk(KERN_ERR, ha, "Unknown IPv4 param = %d\n", | |
2508 | iface_param->param); | |
2509 | break; | |
2510 | } | |
2511 | } | |
2512 | ||
f8e93412 HZ |
2513 | static void qla4xxx_set_iscsi_param(struct scsi_qla_host *ha, |
2514 | struct iscsi_iface_param_info *iface_param, | |
2515 | struct addr_ctrl_blk *init_fw_cb) | |
2516 | { | |
2517 | switch (iface_param->param) { | |
2518 | case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO: | |
2519 | if (iface_param->iface_num & 0x1) | |
2520 | break; | |
2521 | init_fw_cb->def_timeout = | |
2522 | cpu_to_le16(*(uint16_t *)iface_param->value); | |
2523 | break; | |
2524 | case ISCSI_IFACE_PARAM_HDRDGST_EN: | |
2525 | if (iface_param->iface_num & 0x1) | |
2526 | break; | |
2527 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2528 | init_fw_cb->iscsi_opts |= | |
2529 | cpu_to_le16(ISCSIOPTS_HEADER_DIGEST_EN); | |
2530 | else | |
2531 | init_fw_cb->iscsi_opts &= | |
2532 | cpu_to_le16(~ISCSIOPTS_HEADER_DIGEST_EN); | |
2533 | break; | |
2534 | case ISCSI_IFACE_PARAM_DATADGST_EN: | |
2535 | if (iface_param->iface_num & 0x1) | |
2536 | break; | |
2537 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2538 | init_fw_cb->iscsi_opts |= | |
2539 | cpu_to_le16(ISCSIOPTS_DATA_DIGEST_EN); | |
2540 | else | |
2541 | init_fw_cb->iscsi_opts &= | |
2542 | cpu_to_le16(~ISCSIOPTS_DATA_DIGEST_EN); | |
2543 | break; | |
2544 | case ISCSI_IFACE_PARAM_IMM_DATA_EN: | |
2545 | if (iface_param->iface_num & 0x1) | |
2546 | break; | |
2547 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2548 | init_fw_cb->iscsi_opts |= | |
2549 | cpu_to_le16(ISCSIOPTS_IMMEDIATE_DATA_EN); | |
2550 | else | |
2551 | init_fw_cb->iscsi_opts &= | |
2552 | cpu_to_le16(~ISCSIOPTS_IMMEDIATE_DATA_EN); | |
2553 | break; | |
2554 | case ISCSI_IFACE_PARAM_INITIAL_R2T_EN: | |
2555 | if (iface_param->iface_num & 0x1) | |
2556 | break; | |
2557 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2558 | init_fw_cb->iscsi_opts |= | |
2559 | cpu_to_le16(ISCSIOPTS_INITIAL_R2T_EN); | |
2560 | else | |
2561 | init_fw_cb->iscsi_opts &= | |
2562 | cpu_to_le16(~ISCSIOPTS_INITIAL_R2T_EN); | |
2563 | break; | |
2564 | case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN: | |
2565 | if (iface_param->iface_num & 0x1) | |
2566 | break; | |
2567 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2568 | init_fw_cb->iscsi_opts |= | |
2569 | cpu_to_le16(ISCSIOPTS_DATA_SEQ_INORDER_EN); | |
2570 | else | |
2571 | init_fw_cb->iscsi_opts &= | |
2572 | cpu_to_le16(~ISCSIOPTS_DATA_SEQ_INORDER_EN); | |
2573 | break; | |
2574 | case ISCSI_IFACE_PARAM_PDU_INORDER_EN: | |
2575 | if (iface_param->iface_num & 0x1) | |
2576 | break; | |
2577 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2578 | init_fw_cb->iscsi_opts |= | |
2579 | cpu_to_le16(ISCSIOPTS_DATA_PDU_INORDER_EN); | |
2580 | else | |
2581 | init_fw_cb->iscsi_opts &= | |
2582 | cpu_to_le16(~ISCSIOPTS_DATA_PDU_INORDER_EN); | |
2583 | break; | |
2584 | case ISCSI_IFACE_PARAM_ERL: | |
2585 | if (iface_param->iface_num & 0x1) | |
2586 | break; | |
2587 | init_fw_cb->iscsi_opts &= cpu_to_le16(~ISCSIOPTS_ERL); | |
2588 | init_fw_cb->iscsi_opts |= cpu_to_le16(iface_param->value[0] & | |
2589 | ISCSIOPTS_ERL); | |
2590 | break; | |
2591 | case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH: | |
2592 | if (iface_param->iface_num & 0x1) | |
2593 | break; | |
2594 | init_fw_cb->iscsi_max_pdu_size = | |
2595 | cpu_to_le32(*(uint32_t *)iface_param->value) / | |
2596 | BYTE_UNITS; | |
2597 | break; | |
2598 | case ISCSI_IFACE_PARAM_FIRST_BURST: | |
2599 | if (iface_param->iface_num & 0x1) | |
2600 | break; | |
2601 | init_fw_cb->iscsi_fburst_len = | |
2602 | cpu_to_le32(*(uint32_t *)iface_param->value) / | |
2603 | BYTE_UNITS; | |
2604 | break; | |
2605 | case ISCSI_IFACE_PARAM_MAX_R2T: | |
2606 | if (iface_param->iface_num & 0x1) | |
2607 | break; | |
2608 | init_fw_cb->iscsi_max_outstnd_r2t = | |
2609 | cpu_to_le16(*(uint16_t *)iface_param->value); | |
2610 | break; | |
2611 | case ISCSI_IFACE_PARAM_MAX_BURST: | |
2612 | if (iface_param->iface_num & 0x1) | |
2613 | break; | |
2614 | init_fw_cb->iscsi_max_burst_len = | |
2615 | cpu_to_le32(*(uint32_t *)iface_param->value) / | |
2616 | BYTE_UNITS; | |
2617 | break; | |
2618 | case ISCSI_IFACE_PARAM_CHAP_AUTH_EN: | |
2619 | if (iface_param->iface_num & 0x1) | |
2620 | break; | |
2621 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2622 | init_fw_cb->iscsi_opts |= | |
2623 | cpu_to_le16(ISCSIOPTS_CHAP_AUTH_EN); | |
2624 | else | |
2625 | init_fw_cb->iscsi_opts &= | |
2626 | cpu_to_le16(~ISCSIOPTS_CHAP_AUTH_EN); | |
2627 | break; | |
2628 | case ISCSI_IFACE_PARAM_BIDI_CHAP_EN: | |
2629 | if (iface_param->iface_num & 0x1) | |
2630 | break; | |
2631 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2632 | init_fw_cb->iscsi_opts |= | |
2633 | cpu_to_le16(ISCSIOPTS_BIDI_CHAP_EN); | |
2634 | else | |
2635 | init_fw_cb->iscsi_opts &= | |
2636 | cpu_to_le16(~ISCSIOPTS_BIDI_CHAP_EN); | |
2637 | break; | |
2638 | case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL: | |
2639 | if (iface_param->iface_num & 0x1) | |
2640 | break; | |
2641 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2642 | init_fw_cb->iscsi_opts |= | |
2643 | cpu_to_le16(ISCSIOPTS_DISCOVERY_AUTH_EN); | |
2644 | else | |
2645 | init_fw_cb->iscsi_opts &= | |
2646 | cpu_to_le16(~ISCSIOPTS_DISCOVERY_AUTH_EN); | |
2647 | break; | |
2648 | case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN: | |
2649 | if (iface_param->iface_num & 0x1) | |
2650 | break; | |
2651 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2652 | init_fw_cb->iscsi_opts |= | |
2653 | cpu_to_le16(ISCSIOPTS_DISCOVERY_LOGOUT_EN); | |
2654 | else | |
2655 | init_fw_cb->iscsi_opts &= | |
2656 | cpu_to_le16(~ISCSIOPTS_DISCOVERY_LOGOUT_EN); | |
2657 | break; | |
2658 | case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN: | |
2659 | if (iface_param->iface_num & 0x1) | |
2660 | break; | |
2661 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2662 | init_fw_cb->iscsi_opts |= | |
2663 | cpu_to_le16(ISCSIOPTS_STRICT_LOGIN_COMP_EN); | |
2664 | else | |
2665 | init_fw_cb->iscsi_opts &= | |
2666 | cpu_to_le16(~ISCSIOPTS_STRICT_LOGIN_COMP_EN); | |
2667 | break; | |
2668 | default: | |
2669 | ql4_printk(KERN_ERR, ha, "Unknown iscsi param = %d\n", | |
2670 | iface_param->param); | |
2671 | break; | |
2672 | } | |
2673 | } | |
2674 | ||
d00efe3f MC |
2675 | static void |
2676 | qla4xxx_initcb_to_acb(struct addr_ctrl_blk *init_fw_cb) | |
2677 | { | |
2678 | struct addr_ctrl_blk_def *acb; | |
2679 | acb = (struct addr_ctrl_blk_def *)init_fw_cb; | |
2680 | memset(acb->reserved1, 0, sizeof(acb->reserved1)); | |
2681 | memset(acb->reserved2, 0, sizeof(acb->reserved2)); | |
2682 | memset(acb->reserved3, 0, sizeof(acb->reserved3)); | |
2683 | memset(acb->reserved4, 0, sizeof(acb->reserved4)); | |
2684 | memset(acb->reserved5, 0, sizeof(acb->reserved5)); | |
2685 | memset(acb->reserved6, 0, sizeof(acb->reserved6)); | |
2686 | memset(acb->reserved7, 0, sizeof(acb->reserved7)); | |
2687 | memset(acb->reserved8, 0, sizeof(acb->reserved8)); | |
2688 | memset(acb->reserved9, 0, sizeof(acb->reserved9)); | |
2689 | memset(acb->reserved10, 0, sizeof(acb->reserved10)); | |
2690 | memset(acb->reserved11, 0, sizeof(acb->reserved11)); | |
2691 | memset(acb->reserved12, 0, sizeof(acb->reserved12)); | |
2692 | memset(acb->reserved13, 0, sizeof(acb->reserved13)); | |
2693 | memset(acb->reserved14, 0, sizeof(acb->reserved14)); | |
2694 | memset(acb->reserved15, 0, sizeof(acb->reserved15)); | |
2695 | } | |
2696 | ||
2697 | static int | |
00c31889 | 2698 | qla4xxx_iface_set_param(struct Scsi_Host *shost, void *data, uint32_t len) |
d00efe3f MC |
2699 | { |
2700 | struct scsi_qla_host *ha = to_qla_host(shost); | |
2701 | int rval = 0; | |
2702 | struct iscsi_iface_param_info *iface_param = NULL; | |
2703 | struct addr_ctrl_blk *init_fw_cb = NULL; | |
2704 | dma_addr_t init_fw_cb_dma; | |
2705 | uint32_t mbox_cmd[MBOX_REG_COUNT]; | |
2706 | uint32_t mbox_sts[MBOX_REG_COUNT]; | |
00c31889 MC |
2707 | uint32_t rem = len; |
2708 | struct nlattr *attr; | |
d00efe3f | 2709 | |
d103adb3 HJ |
2710 | init_fw_cb = dma_zalloc_coherent(&ha->pdev->dev, |
2711 | sizeof(struct addr_ctrl_blk), | |
2712 | &init_fw_cb_dma, GFP_KERNEL); | |
d00efe3f MC |
2713 | if (!init_fw_cb) { |
2714 | ql4_printk(KERN_ERR, ha, "%s: Unable to alloc init_cb\n", | |
2715 | __func__); | |
2716 | return -ENOMEM; | |
2717 | } | |
2718 | ||
d00efe3f MC |
2719 | memset(&mbox_cmd, 0, sizeof(mbox_cmd)); |
2720 | memset(&mbox_sts, 0, sizeof(mbox_sts)); | |
2721 | ||
2722 | if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma)) { | |
2723 | ql4_printk(KERN_ERR, ha, "%s: get ifcb failed\n", __func__); | |
2724 | rval = -EIO; | |
2725 | goto exit_init_fw_cb; | |
2726 | } | |
2727 | ||
00c31889 MC |
2728 | nla_for_each_attr(attr, data, len, rem) { |
2729 | iface_param = nla_data(attr); | |
d00efe3f | 2730 | |
f8e93412 HZ |
2731 | if (iface_param->param_type == ISCSI_NET_PARAM) { |
2732 | switch (iface_param->iface_type) { | |
2733 | case ISCSI_IFACE_TYPE_IPV4: | |
2734 | switch (iface_param->iface_num) { | |
2735 | case 0: | |
2736 | qla4xxx_set_ipv4(ha, iface_param, | |
2737 | init_fw_cb); | |
2738 | break; | |
2739 | default: | |
d00efe3f | 2740 | /* Cannot have more than one IPv4 interface */ |
f8e93412 HZ |
2741 | ql4_printk(KERN_ERR, ha, |
2742 | "Invalid IPv4 iface number = %d\n", | |
2743 | iface_param->iface_num); | |
2744 | break; | |
2745 | } | |
d00efe3f | 2746 | break; |
f8e93412 HZ |
2747 | case ISCSI_IFACE_TYPE_IPV6: |
2748 | switch (iface_param->iface_num) { | |
2749 | case 0: | |
2750 | case 1: | |
2751 | qla4xxx_set_ipv6(ha, iface_param, | |
2752 | init_fw_cb); | |
2753 | break; | |
2754 | default: | |
2755 | /* Cannot have more than two IPv6 interface */ | |
2756 | ql4_printk(KERN_ERR, ha, | |
2757 | "Invalid IPv6 iface number = %d\n", | |
2758 | iface_param->iface_num); | |
2759 | break; | |
2760 | } | |
d00efe3f MC |
2761 | break; |
2762 | default: | |
f8e93412 HZ |
2763 | ql4_printk(KERN_ERR, ha, |
2764 | "Invalid iface type\n"); | |
d00efe3f MC |
2765 | break; |
2766 | } | |
f8e93412 HZ |
2767 | } else if (iface_param->param_type == ISCSI_IFACE_PARAM) { |
2768 | qla4xxx_set_iscsi_param(ha, iface_param, | |
2769 | init_fw_cb); | |
2770 | } else { | |
2771 | continue; | |
d00efe3f | 2772 | } |
d00efe3f MC |
2773 | } |
2774 | ||
2775 | init_fw_cb->cookie = cpu_to_le32(0x11BEAD5A); | |
2776 | ||
2777 | rval = qla4xxx_set_flash(ha, init_fw_cb_dma, FLASH_SEGMENT_IFCB, | |
2778 | sizeof(struct addr_ctrl_blk), | |
2779 | FLASH_OPT_RMW_COMMIT); | |
2780 | if (rval != QLA_SUCCESS) { | |
2781 | ql4_printk(KERN_ERR, ha, "%s: set flash mbx failed\n", | |
2782 | __func__); | |
2783 | rval = -EIO; | |
2784 | goto exit_init_fw_cb; | |
2785 | } | |
2786 | ||
ce505f9d VC |
2787 | rval = qla4xxx_disable_acb(ha); |
2788 | if (rval != QLA_SUCCESS) { | |
2789 | ql4_printk(KERN_ERR, ha, "%s: disable acb mbx failed\n", | |
2790 | __func__); | |
2791 | rval = -EIO; | |
2792 | goto exit_init_fw_cb; | |
2793 | } | |
2794 | ||
2795 | wait_for_completion_timeout(&ha->disable_acb_comp, | |
2796 | DISABLE_ACB_TOV * HZ); | |
d00efe3f MC |
2797 | |
2798 | qla4xxx_initcb_to_acb(init_fw_cb); | |
2799 | ||
2800 | rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma); | |
2801 | if (rval != QLA_SUCCESS) { | |
2802 | ql4_printk(KERN_ERR, ha, "%s: set acb mbx failed\n", | |
2803 | __func__); | |
2804 | rval = -EIO; | |
2805 | goto exit_init_fw_cb; | |
2806 | } | |
2807 | ||
2808 | memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk)); | |
2809 | qla4xxx_update_local_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb, | |
2810 | init_fw_cb_dma); | |
2811 | ||
2812 | exit_init_fw_cb: | |
2813 | dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk), | |
2814 | init_fw_cb, init_fw_cb_dma); | |
2815 | ||
2816 | return rval; | |
2817 | } | |
2818 | ||
fca9f04d MC |
2819 | static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess, |
2820 | enum iscsi_param param, char *buf) | |
2821 | { | |
2822 | struct iscsi_session *sess = cls_sess->dd_data; | |
2823 | struct ddb_entry *ddb_entry = sess->dd_data; | |
2824 | struct scsi_qla_host *ha = ddb_entry->ha; | |
97c2730c AC |
2825 | struct iscsi_cls_conn *cls_conn = ddb_entry->conn; |
2826 | struct ql4_chap_table chap_tbl; | |
fca9f04d MC |
2827 | int rval, len; |
2828 | uint16_t idx; | |
2829 | ||
97c2730c | 2830 | memset(&chap_tbl, 0, sizeof(chap_tbl)); |
fca9f04d MC |
2831 | switch (param) { |
2832 | case ISCSI_PARAM_CHAP_IN_IDX: | |
2833 | rval = qla4xxx_get_chap_index(ha, sess->username_in, | |
2834 | sess->password_in, BIDI_CHAP, | |
2835 | &idx); | |
2836 | if (rval) | |
c7a5e0d0 MR |
2837 | len = sprintf(buf, "\n"); |
2838 | else | |
2839 | len = sprintf(buf, "%hu\n", idx); | |
fca9f04d MC |
2840 | break; |
2841 | case ISCSI_PARAM_CHAP_OUT_IDX: | |
97c2730c AC |
2842 | if (ddb_entry->ddb_type == FLASH_DDB) { |
2843 | if (ddb_entry->chap_tbl_idx != INVALID_ENTRY) { | |
2844 | idx = ddb_entry->chap_tbl_idx; | |
2845 | rval = QLA_SUCCESS; | |
2846 | } else { | |
2847 | rval = QLA_ERROR; | |
2848 | } | |
2849 | } else { | |
2850 | rval = qla4xxx_get_chap_index(ha, sess->username, | |
2851 | sess->password, | |
2852 | LOCAL_CHAP, &idx); | |
2853 | } | |
fca9f04d | 2854 | if (rval) |
c7a5e0d0 MR |
2855 | len = sprintf(buf, "\n"); |
2856 | else | |
2857 | len = sprintf(buf, "%hu\n", idx); | |
fca9f04d | 2858 | break; |
97c2730c AC |
2859 | case ISCSI_PARAM_USERNAME: |
2860 | case ISCSI_PARAM_PASSWORD: | |
2861 | /* First, populate session username and password for FLASH DDB, | |
2862 | * if not already done. This happens when session login fails | |
2863 | * for a FLASH DDB. | |
2864 | */ | |
2865 | if (ddb_entry->ddb_type == FLASH_DDB && | |
2866 | ddb_entry->chap_tbl_idx != INVALID_ENTRY && | |
2867 | !sess->username && !sess->password) { | |
2868 | idx = ddb_entry->chap_tbl_idx; | |
2869 | rval = qla4xxx_get_uni_chap_at_index(ha, chap_tbl.name, | |
2870 | chap_tbl.secret, | |
2871 | idx); | |
2872 | if (!rval) { | |
2873 | iscsi_set_param(cls_conn, ISCSI_PARAM_USERNAME, | |
2874 | (char *)chap_tbl.name, | |
2875 | strlen((char *)chap_tbl.name)); | |
2876 | iscsi_set_param(cls_conn, ISCSI_PARAM_PASSWORD, | |
2877 | (char *)chap_tbl.secret, | |
2878 | chap_tbl.secret_len); | |
2879 | } | |
2880 | } | |
2881 | /* allow fall-through */ | |
fca9f04d MC |
2882 | default: |
2883 | return iscsi_session_get_param(cls_sess, param, buf); | |
2884 | } | |
2885 | ||
2886 | return len; | |
2887 | } | |
2888 | ||
b3a271a9 | 2889 | static int qla4xxx_conn_get_param(struct iscsi_cls_conn *cls_conn, |
afaf5a2d DS |
2890 | enum iscsi_param param, char *buf) |
2891 | { | |
b3a271a9 MR |
2892 | struct iscsi_conn *conn; |
2893 | struct qla_conn *qla_conn; | |
2894 | struct sockaddr *dst_addr; | |
afaf5a2d | 2895 | |
b3a271a9 MR |
2896 | conn = cls_conn->dd_data; |
2897 | qla_conn = conn->dd_data; | |
d46bdeb1 | 2898 | dst_addr = (struct sockaddr *)&qla_conn->qla_ep->dst_addr; |
afaf5a2d DS |
2899 | |
2900 | switch (param) { | |
2901 | case ISCSI_PARAM_CONN_PORT: | |
afaf5a2d | 2902 | case ISCSI_PARAM_CONN_ADDRESS: |
b3a271a9 MR |
2903 | return iscsi_conn_get_addr_param((struct sockaddr_storage *) |
2904 | dst_addr, param, buf); | |
afaf5a2d | 2905 | default: |
b3a271a9 | 2906 | return iscsi_conn_get_param(cls_conn, param, buf); |
afaf5a2d | 2907 | } |
afaf5a2d DS |
2908 | } |
2909 | ||
13483730 MC |
2910 | int qla4xxx_get_ddb_index(struct scsi_qla_host *ha, uint16_t *ddb_index) |
2911 | { | |
2912 | uint32_t mbx_sts = 0; | |
2913 | uint16_t tmp_ddb_index; | |
2914 | int ret; | |
2915 | ||
2916 | get_ddb_index: | |
2917 | tmp_ddb_index = find_first_zero_bit(ha->ddb_idx_map, MAX_DDB_ENTRIES); | |
2918 | ||
2919 | if (tmp_ddb_index >= MAX_DDB_ENTRIES) { | |
2920 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
2921 | "Free DDB index not available\n")); | |
2922 | ret = QLA_ERROR; | |
2923 | goto exit_get_ddb_index; | |
2924 | } | |
2925 | ||
2926 | if (test_and_set_bit(tmp_ddb_index, ha->ddb_idx_map)) | |
2927 | goto get_ddb_index; | |
2928 | ||
2929 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
2930 | "Found a free DDB index at %d\n", tmp_ddb_index)); | |
2931 | ret = qla4xxx_req_ddb_entry(ha, tmp_ddb_index, &mbx_sts); | |
2932 | if (ret == QLA_ERROR) { | |
2933 | if (mbx_sts == MBOX_STS_COMMAND_ERROR) { | |
2934 | ql4_printk(KERN_INFO, ha, | |
2935 | "DDB index = %d not available trying next\n", | |
2936 | tmp_ddb_index); | |
2937 | goto get_ddb_index; | |
2938 | } | |
2939 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
2940 | "Free FW DDB not available\n")); | |
2941 | } | |
2942 | ||
2943 | *ddb_index = tmp_ddb_index; | |
2944 | ||
2945 | exit_get_ddb_index: | |
2946 | return ret; | |
2947 | } | |
2948 | ||
2949 | static int qla4xxx_match_ipaddress(struct scsi_qla_host *ha, | |
2950 | struct ddb_entry *ddb_entry, | |
2951 | char *existing_ipaddr, | |
2952 | char *user_ipaddr) | |
2953 | { | |
2954 | uint8_t dst_ipaddr[IPv6_ADDR_LEN]; | |
2955 | char formatted_ipaddr[DDB_IPADDR_LEN]; | |
2956 | int status = QLA_SUCCESS, ret = 0; | |
2957 | ||
2958 | if (ddb_entry->fw_ddb_entry.options & DDB_OPT_IPV6_DEVICE) { | |
2959 | ret = in6_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr, | |
2960 | '\0', NULL); | |
2961 | if (ret == 0) { | |
2962 | status = QLA_ERROR; | |
2963 | goto out_match; | |
2964 | } | |
2965 | ret = sprintf(formatted_ipaddr, "%pI6", dst_ipaddr); | |
2966 | } else { | |
2967 | ret = in4_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr, | |
2968 | '\0', NULL); | |
2969 | if (ret == 0) { | |
2970 | status = QLA_ERROR; | |
2971 | goto out_match; | |
2972 | } | |
2973 | ret = sprintf(formatted_ipaddr, "%pI4", dst_ipaddr); | |
2974 | } | |
2975 | ||
2976 | if (strcmp(existing_ipaddr, formatted_ipaddr)) | |
2977 | status = QLA_ERROR; | |
2978 | ||
2979 | out_match: | |
2980 | return status; | |
2981 | } | |
2982 | ||
2983 | static int qla4xxx_match_fwdb_session(struct scsi_qla_host *ha, | |
2984 | struct iscsi_cls_conn *cls_conn) | |
2985 | { | |
2986 | int idx = 0, max_ddbs, rval; | |
2987 | struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); | |
2988 | struct iscsi_session *sess, *existing_sess; | |
2989 | struct iscsi_conn *conn, *existing_conn; | |
2990 | struct ddb_entry *ddb_entry; | |
2991 | ||
2992 | sess = cls_sess->dd_data; | |
2993 | conn = cls_conn->dd_data; | |
2994 | ||
2995 | if (sess->targetname == NULL || | |
2996 | conn->persistent_address == NULL || | |
2997 | conn->persistent_port == 0) | |
2998 | return QLA_ERROR; | |
2999 | ||
3000 | max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : | |
3001 | MAX_DEV_DB_ENTRIES; | |
3002 | ||
3003 | for (idx = 0; idx < max_ddbs; idx++) { | |
3004 | ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); | |
3005 | if (ddb_entry == NULL) | |
3006 | continue; | |
3007 | ||
3008 | if (ddb_entry->ddb_type != FLASH_DDB) | |
3009 | continue; | |
3010 | ||
3011 | existing_sess = ddb_entry->sess->dd_data; | |
3012 | existing_conn = ddb_entry->conn->dd_data; | |
3013 | ||
3014 | if (existing_sess->targetname == NULL || | |
3015 | existing_conn->persistent_address == NULL || | |
3016 | existing_conn->persistent_port == 0) | |
3017 | continue; | |
3018 | ||
3019 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
3020 | "IQN = %s User IQN = %s\n", | |
3021 | existing_sess->targetname, | |
3022 | sess->targetname)); | |
3023 | ||
3024 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
3025 | "IP = %s User IP = %s\n", | |
3026 | existing_conn->persistent_address, | |
3027 | conn->persistent_address)); | |
3028 | ||
3029 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
3030 | "Port = %d User Port = %d\n", | |
3031 | existing_conn->persistent_port, | |
3032 | conn->persistent_port)); | |
3033 | ||
3034 | if (strcmp(existing_sess->targetname, sess->targetname)) | |
3035 | continue; | |
3036 | rval = qla4xxx_match_ipaddress(ha, ddb_entry, | |
3037 | existing_conn->persistent_address, | |
3038 | conn->persistent_address); | |
3039 | if (rval == QLA_ERROR) | |
3040 | continue; | |
3041 | if (existing_conn->persistent_port != conn->persistent_port) | |
3042 | continue; | |
3043 | break; | |
3044 | } | |
3045 | ||
3046 | if (idx == max_ddbs) | |
3047 | return QLA_ERROR; | |
3048 | ||
3049 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
3050 | "Match found in fwdb sessions\n")); | |
3051 | return QLA_SUCCESS; | |
3052 | } | |
3053 | ||
b3a271a9 MR |
3054 | static struct iscsi_cls_session * |
3055 | qla4xxx_session_create(struct iscsi_endpoint *ep, | |
3056 | uint16_t cmds_max, uint16_t qdepth, | |
3057 | uint32_t initial_cmdsn) | |
3058 | { | |
3059 | struct iscsi_cls_session *cls_sess; | |
3060 | struct scsi_qla_host *ha; | |
3061 | struct qla_endpoint *qla_ep; | |
3062 | struct ddb_entry *ddb_entry; | |
13483730 | 3063 | uint16_t ddb_index; |
b3a271a9 MR |
3064 | struct iscsi_session *sess; |
3065 | struct sockaddr *dst_addr; | |
3066 | int ret; | |
3067 | ||
b3a271a9 MR |
3068 | if (!ep) { |
3069 | printk(KERN_ERR "qla4xxx: missing ep.\n"); | |
3070 | return NULL; | |
3071 | } | |
3072 | ||
3073 | qla_ep = ep->dd_data; | |
3074 | dst_addr = (struct sockaddr *)&qla_ep->dst_addr; | |
3075 | ha = to_qla_host(qla_ep->host); | |
c343c5e0 VC |
3076 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__, |
3077 | ha->host_no)); | |
736cf369 | 3078 | |
13483730 MC |
3079 | ret = qla4xxx_get_ddb_index(ha, &ddb_index); |
3080 | if (ret == QLA_ERROR) | |
b3a271a9 | 3081 | return NULL; |
b3a271a9 MR |
3082 | |
3083 | cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, qla_ep->host, | |
3084 | cmds_max, sizeof(struct ddb_entry), | |
3085 | sizeof(struct ql4_task_data), | |
3086 | initial_cmdsn, ddb_index); | |
3087 | if (!cls_sess) | |
3088 | return NULL; | |
3089 | ||
3090 | sess = cls_sess->dd_data; | |
3091 | ddb_entry = sess->dd_data; | |
3092 | ddb_entry->fw_ddb_index = ddb_index; | |
3093 | ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE; | |
3094 | ddb_entry->ha = ha; | |
3095 | ddb_entry->sess = cls_sess; | |
13483730 MC |
3096 | ddb_entry->unblock_sess = qla4xxx_unblock_ddb; |
3097 | ddb_entry->ddb_change = qla4xxx_ddb_change; | |
de2efea6 | 3098 | clear_bit(DDB_CONN_CLOSE_FAILURE, &ddb_entry->flags); |
b3a271a9 MR |
3099 | cls_sess->recovery_tmo = ql4xsess_recovery_tmo; |
3100 | ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = ddb_entry; | |
3101 | ha->tot_ddbs++; | |
3102 | ||
3103 | return cls_sess; | |
3104 | } | |
3105 | ||
3106 | static void qla4xxx_session_destroy(struct iscsi_cls_session *cls_sess) | |
3107 | { | |
3108 | struct iscsi_session *sess; | |
3109 | struct ddb_entry *ddb_entry; | |
3110 | struct scsi_qla_host *ha; | |
90599b62 MR |
3111 | unsigned long flags, wtime; |
3112 | struct dev_db_entry *fw_ddb_entry = NULL; | |
3113 | dma_addr_t fw_ddb_entry_dma; | |
3114 | uint32_t ddb_state; | |
3115 | int ret; | |
b3a271a9 | 3116 | |
b3a271a9 MR |
3117 | sess = cls_sess->dd_data; |
3118 | ddb_entry = sess->dd_data; | |
3119 | ha = ddb_entry->ha; | |
c343c5e0 VC |
3120 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__, |
3121 | ha->host_no)); | |
b3a271a9 | 3122 | |
90599b62 MR |
3123 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
3124 | &fw_ddb_entry_dma, GFP_KERNEL); | |
3125 | if (!fw_ddb_entry) { | |
3126 | ql4_printk(KERN_ERR, ha, | |
3127 | "%s: Unable to allocate dma buffer\n", __func__); | |
3128 | goto destroy_session; | |
3129 | } | |
3130 | ||
3131 | wtime = jiffies + (HZ * LOGOUT_TOV); | |
3132 | do { | |
3133 | ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, | |
3134 | fw_ddb_entry, fw_ddb_entry_dma, | |
3135 | NULL, NULL, &ddb_state, NULL, | |
3136 | NULL, NULL); | |
3137 | if (ret == QLA_ERROR) | |
3138 | goto destroy_session; | |
3139 | ||
3140 | if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) || | |
3141 | (ddb_state == DDB_DS_SESSION_FAILED)) | |
3142 | goto destroy_session; | |
3143 | ||
3144 | schedule_timeout_uninterruptible(HZ); | |
3145 | } while ((time_after(wtime, jiffies))); | |
3146 | ||
3147 | destroy_session: | |
736cf369 | 3148 | qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); |
de2efea6 NJ |
3149 | if (test_and_clear_bit(DDB_CONN_CLOSE_FAILURE, &ddb_entry->flags)) |
3150 | clear_bit(ddb_entry->fw_ddb_index, ha->ddb_idx_map); | |
b3a271a9 MR |
3151 | spin_lock_irqsave(&ha->hardware_lock, flags); |
3152 | qla4xxx_free_ddb(ha, ddb_entry); | |
3153 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
90599b62 | 3154 | |
b3a271a9 | 3155 | iscsi_session_teardown(cls_sess); |
90599b62 MR |
3156 | |
3157 | if (fw_ddb_entry) | |
3158 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
3159 | fw_ddb_entry, fw_ddb_entry_dma); | |
b3a271a9 MR |
3160 | } |
3161 | ||
b3a271a9 MR |
3162 | static struct iscsi_cls_conn * |
3163 | qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx) | |
3164 | { | |
3165 | struct iscsi_cls_conn *cls_conn; | |
3166 | struct iscsi_session *sess; | |
3167 | struct ddb_entry *ddb_entry; | |
c343c5e0 | 3168 | struct scsi_qla_host *ha; |
b3a271a9 | 3169 | |
b3a271a9 MR |
3170 | cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn), |
3171 | conn_idx); | |
c343c5e0 VC |
3172 | if (!cls_conn) { |
3173 | pr_info("%s: Can not create connection for conn_idx = %u\n", | |
3174 | __func__, conn_idx); | |
ff1d0319 | 3175 | return NULL; |
c343c5e0 | 3176 | } |
ff1d0319 | 3177 | |
b3a271a9 MR |
3178 | sess = cls_sess->dd_data; |
3179 | ddb_entry = sess->dd_data; | |
3180 | ddb_entry->conn = cls_conn; | |
3181 | ||
c343c5e0 VC |
3182 | ha = ddb_entry->ha; |
3183 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: conn_idx = %u\n", __func__, | |
3184 | conn_idx)); | |
b3a271a9 MR |
3185 | return cls_conn; |
3186 | } | |
3187 | ||
3188 | static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session, | |
3189 | struct iscsi_cls_conn *cls_conn, | |
3190 | uint64_t transport_fd, int is_leading) | |
3191 | { | |
3192 | struct iscsi_conn *conn; | |
3193 | struct qla_conn *qla_conn; | |
3194 | struct iscsi_endpoint *ep; | |
c343c5e0 VC |
3195 | struct ddb_entry *ddb_entry; |
3196 | struct scsi_qla_host *ha; | |
3197 | struct iscsi_session *sess; | |
3198 | ||
3199 | sess = cls_session->dd_data; | |
3200 | ddb_entry = sess->dd_data; | |
3201 | ha = ddb_entry->ha; | |
b3a271a9 | 3202 | |
c343c5e0 VC |
3203 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: sid = %d, cid = %d\n", __func__, |
3204 | cls_session->sid, cls_conn->cid)); | |
b3a271a9 MR |
3205 | |
3206 | if (iscsi_conn_bind(cls_session, cls_conn, is_leading)) | |
3207 | return -EINVAL; | |
3208 | ep = iscsi_lookup_endpoint(transport_fd); | |
3209 | conn = cls_conn->dd_data; | |
3210 | qla_conn = conn->dd_data; | |
3211 | qla_conn->qla_ep = ep->dd_data; | |
3212 | return 0; | |
3213 | } | |
3214 | ||
3215 | static int qla4xxx_conn_start(struct iscsi_cls_conn *cls_conn) | |
3216 | { | |
3217 | struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); | |
3218 | struct iscsi_session *sess; | |
3219 | struct ddb_entry *ddb_entry; | |
3220 | struct scsi_qla_host *ha; | |
13483730 | 3221 | struct dev_db_entry *fw_ddb_entry = NULL; |
b3a271a9 | 3222 | dma_addr_t fw_ddb_entry_dma; |
b3a271a9 MR |
3223 | uint32_t mbx_sts = 0; |
3224 | int ret = 0; | |
3225 | int status = QLA_SUCCESS; | |
3226 | ||
b3a271a9 MR |
3227 | sess = cls_sess->dd_data; |
3228 | ddb_entry = sess->dd_data; | |
3229 | ha = ddb_entry->ha; | |
c343c5e0 VC |
3230 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: sid = %d, cid = %d\n", __func__, |
3231 | cls_sess->sid, cls_conn->cid)); | |
b3a271a9 | 3232 | |
13483730 MC |
3233 | /* Check if we have matching FW DDB, if yes then do not |
3234 | * login to this target. This could cause target to logout previous | |
3235 | * connection | |
3236 | */ | |
3237 | ret = qla4xxx_match_fwdb_session(ha, cls_conn); | |
3238 | if (ret == QLA_SUCCESS) { | |
3239 | ql4_printk(KERN_INFO, ha, | |
3240 | "Session already exist in FW.\n"); | |
3241 | ret = -EEXIST; | |
3242 | goto exit_conn_start; | |
3243 | } | |
3244 | ||
b3a271a9 MR |
3245 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
3246 | &fw_ddb_entry_dma, GFP_KERNEL); | |
3247 | if (!fw_ddb_entry) { | |
3248 | ql4_printk(KERN_ERR, ha, | |
3249 | "%s: Unable to allocate dma buffer\n", __func__); | |
13483730 MC |
3250 | ret = -ENOMEM; |
3251 | goto exit_conn_start; | |
b3a271a9 MR |
3252 | } |
3253 | ||
3254 | ret = qla4xxx_set_param_ddbentry(ha, ddb_entry, cls_conn, &mbx_sts); | |
3255 | if (ret) { | |
3256 | /* If iscsid is stopped and started then no need to do | |
3257 | * set param again since ddb state will be already | |
3258 | * active and FW does not allow set ddb to an | |
3259 | * active session. | |
3260 | */ | |
3261 | if (mbx_sts) | |
3262 | if (ddb_entry->fw_ddb_device_state == | |
f922da79 | 3263 | DDB_DS_SESSION_ACTIVE) { |
13483730 | 3264 | ddb_entry->unblock_sess(ddb_entry->sess); |
b3a271a9 | 3265 | goto exit_set_param; |
f922da79 | 3266 | } |
b3a271a9 MR |
3267 | |
3268 | ql4_printk(KERN_ERR, ha, "%s: Failed set param for index[%d]\n", | |
3269 | __func__, ddb_entry->fw_ddb_index); | |
3270 | goto exit_conn_start; | |
3271 | } | |
3272 | ||
3273 | status = qla4xxx_conn_open(ha, ddb_entry->fw_ddb_index); | |
3274 | if (status == QLA_ERROR) { | |
0e7e8501 MR |
3275 | ql4_printk(KERN_ERR, ha, "%s: Login failed: %s\n", __func__, |
3276 | sess->targetname); | |
b3a271a9 MR |
3277 | ret = -EINVAL; |
3278 | goto exit_conn_start; | |
3279 | } | |
3280 | ||
98270ab4 MR |
3281 | if (ddb_entry->fw_ddb_device_state == DDB_DS_NO_CONNECTION_ACTIVE) |
3282 | ddb_entry->fw_ddb_device_state = DDB_DS_LOGIN_IN_PROCESS; | |
3283 | ||
3284 | DEBUG2(printk(KERN_INFO "%s: DDB state [%d]\n", __func__, | |
3285 | ddb_entry->fw_ddb_device_state)); | |
b3a271a9 MR |
3286 | |
3287 | exit_set_param: | |
b3a271a9 MR |
3288 | ret = 0; |
3289 | ||
3290 | exit_conn_start: | |
13483730 MC |
3291 | if (fw_ddb_entry) |
3292 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
3293 | fw_ddb_entry, fw_ddb_entry_dma); | |
b3a271a9 MR |
3294 | return ret; |
3295 | } | |
3296 | ||
3297 | static void qla4xxx_conn_destroy(struct iscsi_cls_conn *cls_conn) | |
3298 | { | |
3299 | struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); | |
3300 | struct iscsi_session *sess; | |
3301 | struct scsi_qla_host *ha; | |
3302 | struct ddb_entry *ddb_entry; | |
3303 | int options; | |
3304 | ||
b3a271a9 MR |
3305 | sess = cls_sess->dd_data; |
3306 | ddb_entry = sess->dd_data; | |
3307 | ha = ddb_entry->ha; | |
c343c5e0 VC |
3308 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: cid = %d\n", __func__, |
3309 | cls_conn->cid)); | |
b3a271a9 MR |
3310 | |
3311 | options = LOGOUT_OPTION_CLOSE_SESSION; | |
3312 | if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) == QLA_ERROR) | |
3313 | ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", __func__); | |
b3a271a9 MR |
3314 | } |
3315 | ||
3316 | static void qla4xxx_task_work(struct work_struct *wdata) | |
3317 | { | |
3318 | struct ql4_task_data *task_data; | |
3319 | struct scsi_qla_host *ha; | |
3320 | struct passthru_status *sts; | |
3321 | struct iscsi_task *task; | |
3322 | struct iscsi_hdr *hdr; | |
3323 | uint8_t *data; | |
3324 | uint32_t data_len; | |
3325 | struct iscsi_conn *conn; | |
3326 | int hdr_len; | |
3327 | itt_t itt; | |
3328 | ||
3329 | task_data = container_of(wdata, struct ql4_task_data, task_work); | |
3330 | ha = task_data->ha; | |
3331 | task = task_data->task; | |
3332 | sts = &task_data->sts; | |
3333 | hdr_len = sizeof(struct iscsi_hdr); | |
3334 | ||
3335 | DEBUG3(printk(KERN_INFO "Status returned\n")); | |
3336 | DEBUG3(qla4xxx_dump_buffer(sts, 64)); | |
3337 | DEBUG3(printk(KERN_INFO "Response buffer")); | |
3338 | DEBUG3(qla4xxx_dump_buffer(task_data->resp_buffer, 64)); | |
3339 | ||
3340 | conn = task->conn; | |
3341 | ||
3342 | switch (sts->completionStatus) { | |
3343 | case PASSTHRU_STATUS_COMPLETE: | |
3344 | hdr = (struct iscsi_hdr *)task_data->resp_buffer; | |
3345 | /* Assign back the itt in hdr, until we use the PREASSIGN_TAG */ | |
3346 | itt = sts->handle; | |
3347 | hdr->itt = itt; | |
3348 | data = task_data->resp_buffer + hdr_len; | |
3349 | data_len = task_data->resp_len - hdr_len; | |
3350 | iscsi_complete_pdu(conn, hdr, data, data_len); | |
3351 | break; | |
3352 | default: | |
3353 | ql4_printk(KERN_ERR, ha, "Passthru failed status = 0x%x\n", | |
3354 | sts->completionStatus); | |
3355 | break; | |
3356 | } | |
3357 | return; | |
3358 | } | |
3359 | ||
3360 | static int qla4xxx_alloc_pdu(struct iscsi_task *task, uint8_t opcode) | |
3361 | { | |
3362 | struct ql4_task_data *task_data; | |
3363 | struct iscsi_session *sess; | |
3364 | struct ddb_entry *ddb_entry; | |
3365 | struct scsi_qla_host *ha; | |
3366 | int hdr_len; | |
3367 | ||
3368 | sess = task->conn->session; | |
3369 | ddb_entry = sess->dd_data; | |
3370 | ha = ddb_entry->ha; | |
3371 | task_data = task->dd_data; | |
3372 | memset(task_data, 0, sizeof(struct ql4_task_data)); | |
3373 | ||
3374 | if (task->sc) { | |
3375 | ql4_printk(KERN_INFO, ha, | |
3376 | "%s: SCSI Commands not implemented\n", __func__); | |
3377 | return -EINVAL; | |
3378 | } | |
3379 | ||
3380 | hdr_len = sizeof(struct iscsi_hdr); | |
3381 | task_data->ha = ha; | |
3382 | task_data->task = task; | |
3383 | ||
3384 | if (task->data_count) { | |
3385 | task_data->data_dma = dma_map_single(&ha->pdev->dev, task->data, | |
3386 | task->data_count, | |
3387 | PCI_DMA_TODEVICE); | |
3388 | } | |
3389 | ||
3390 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n", | |
3391 | __func__, task->conn->max_recv_dlength, hdr_len)); | |
3392 | ||
69ca216e | 3393 | task_data->resp_len = task->conn->max_recv_dlength + hdr_len; |
b3a271a9 MR |
3394 | task_data->resp_buffer = dma_alloc_coherent(&ha->pdev->dev, |
3395 | task_data->resp_len, | |
3396 | &task_data->resp_dma, | |
3397 | GFP_ATOMIC); | |
3398 | if (!task_data->resp_buffer) | |
3399 | goto exit_alloc_pdu; | |
3400 | ||
69ca216e | 3401 | task_data->req_len = task->data_count + hdr_len; |
b3a271a9 | 3402 | task_data->req_buffer = dma_alloc_coherent(&ha->pdev->dev, |
69ca216e | 3403 | task_data->req_len, |
b3a271a9 MR |
3404 | &task_data->req_dma, |
3405 | GFP_ATOMIC); | |
3406 | if (!task_data->req_buffer) | |
3407 | goto exit_alloc_pdu; | |
3408 | ||
3409 | task->hdr = task_data->req_buffer; | |
3410 | ||
3411 | INIT_WORK(&task_data->task_work, qla4xxx_task_work); | |
3412 | ||
3413 | return 0; | |
3414 | ||
3415 | exit_alloc_pdu: | |
3416 | if (task_data->resp_buffer) | |
3417 | dma_free_coherent(&ha->pdev->dev, task_data->resp_len, | |
3418 | task_data->resp_buffer, task_data->resp_dma); | |
3419 | ||
3420 | if (task_data->req_buffer) | |
69ca216e | 3421 | dma_free_coherent(&ha->pdev->dev, task_data->req_len, |
b3a271a9 MR |
3422 | task_data->req_buffer, task_data->req_dma); |
3423 | return -ENOMEM; | |
3424 | } | |
3425 | ||
3426 | static void qla4xxx_task_cleanup(struct iscsi_task *task) | |
3427 | { | |
3428 | struct ql4_task_data *task_data; | |
3429 | struct iscsi_session *sess; | |
3430 | struct ddb_entry *ddb_entry; | |
3431 | struct scsi_qla_host *ha; | |
3432 | int hdr_len; | |
3433 | ||
3434 | hdr_len = sizeof(struct iscsi_hdr); | |
3435 | sess = task->conn->session; | |
3436 | ddb_entry = sess->dd_data; | |
3437 | ha = ddb_entry->ha; | |
3438 | task_data = task->dd_data; | |
3439 | ||
3440 | if (task->data_count) { | |
3441 | dma_unmap_single(&ha->pdev->dev, task_data->data_dma, | |
3442 | task->data_count, PCI_DMA_TODEVICE); | |
3443 | } | |
3444 | ||
3445 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n", | |
3446 | __func__, task->conn->max_recv_dlength, hdr_len)); | |
3447 | ||
3448 | dma_free_coherent(&ha->pdev->dev, task_data->resp_len, | |
3449 | task_data->resp_buffer, task_data->resp_dma); | |
69ca216e | 3450 | dma_free_coherent(&ha->pdev->dev, task_data->req_len, |
b3a271a9 MR |
3451 | task_data->req_buffer, task_data->req_dma); |
3452 | return; | |
3453 | } | |
3454 | ||
3455 | static int qla4xxx_task_xmit(struct iscsi_task *task) | |
3456 | { | |
3457 | struct scsi_cmnd *sc = task->sc; | |
3458 | struct iscsi_session *sess = task->conn->session; | |
3459 | struct ddb_entry *ddb_entry = sess->dd_data; | |
3460 | struct scsi_qla_host *ha = ddb_entry->ha; | |
3461 | ||
3462 | if (!sc) | |
3463 | return qla4xxx_send_passthru0(task); | |
3464 | ||
3465 | ql4_printk(KERN_INFO, ha, "%s: scsi cmd xmit not implemented\n", | |
3466 | __func__); | |
3467 | return -ENOSYS; | |
3468 | } | |
3469 | ||
1e9e2be3 AC |
3470 | static int qla4xxx_copy_from_fwddb_param(struct iscsi_bus_flash_session *sess, |
3471 | struct iscsi_bus_flash_conn *conn, | |
3472 | struct dev_db_entry *fw_ddb_entry) | |
3473 | { | |
3474 | unsigned long options = 0; | |
3475 | int rc = 0; | |
3476 | ||
3477 | options = le16_to_cpu(fw_ddb_entry->options); | |
3478 | conn->is_fw_assigned_ipv6 = test_bit(OPT_IS_FW_ASSIGNED_IPV6, &options); | |
3479 | if (test_bit(OPT_IPV6_DEVICE, &options)) { | |
c962c18b AC |
3480 | rc = iscsi_switch_str_param(&sess->portal_type, |
3481 | PORTAL_TYPE_IPV6); | |
1e9e2be3 AC |
3482 | if (rc) |
3483 | goto exit_copy; | |
3484 | } else { | |
c962c18b AC |
3485 | rc = iscsi_switch_str_param(&sess->portal_type, |
3486 | PORTAL_TYPE_IPV4); | |
1e9e2be3 AC |
3487 | if (rc) |
3488 | goto exit_copy; | |
3489 | } | |
3490 | ||
3491 | sess->auto_snd_tgt_disable = test_bit(OPT_AUTO_SENDTGTS_DISABLE, | |
3492 | &options); | |
3493 | sess->discovery_sess = test_bit(OPT_DISC_SESSION, &options); | |
3494 | sess->entry_state = test_bit(OPT_ENTRY_STATE, &options); | |
3495 | ||
3496 | options = le16_to_cpu(fw_ddb_entry->iscsi_options); | |
3497 | conn->hdrdgst_en = test_bit(ISCSIOPT_HEADER_DIGEST_EN, &options); | |
3498 | conn->datadgst_en = test_bit(ISCSIOPT_DATA_DIGEST_EN, &options); | |
3499 | sess->imm_data_en = test_bit(ISCSIOPT_IMMEDIATE_DATA_EN, &options); | |
3500 | sess->initial_r2t_en = test_bit(ISCSIOPT_INITIAL_R2T_EN, &options); | |
3501 | sess->dataseq_inorder_en = test_bit(ISCSIOPT_DATA_SEQ_IN_ORDER, | |
3502 | &options); | |
3503 | sess->pdu_inorder_en = test_bit(ISCSIOPT_DATA_PDU_IN_ORDER, &options); | |
3504 | sess->chap_auth_en = test_bit(ISCSIOPT_CHAP_AUTH_EN, &options); | |
3505 | conn->snack_req_en = test_bit(ISCSIOPT_SNACK_REQ_EN, &options); | |
3506 | sess->discovery_logout_en = test_bit(ISCSIOPT_DISCOVERY_LOGOUT_EN, | |
3507 | &options); | |
3508 | sess->bidi_chap_en = test_bit(ISCSIOPT_BIDI_CHAP_EN, &options); | |
3509 | sess->discovery_auth_optional = | |
3510 | test_bit(ISCSIOPT_DISCOVERY_AUTH_OPTIONAL, &options); | |
3511 | if (test_bit(ISCSIOPT_ERL1, &options)) | |
3512 | sess->erl |= BIT_1; | |
3513 | if (test_bit(ISCSIOPT_ERL0, &options)) | |
3514 | sess->erl |= BIT_0; | |
3515 | ||
3516 | options = le16_to_cpu(fw_ddb_entry->tcp_options); | |
3517 | conn->tcp_timestamp_stat = test_bit(TCPOPT_TIMESTAMP_STAT, &options); | |
3518 | conn->tcp_nagle_disable = test_bit(TCPOPT_NAGLE_DISABLE, &options); | |
3519 | conn->tcp_wsf_disable = test_bit(TCPOPT_WSF_DISABLE, &options); | |
3520 | if (test_bit(TCPOPT_TIMER_SCALE3, &options)) | |
3521 | conn->tcp_timer_scale |= BIT_3; | |
3522 | if (test_bit(TCPOPT_TIMER_SCALE2, &options)) | |
3523 | conn->tcp_timer_scale |= BIT_2; | |
3524 | if (test_bit(TCPOPT_TIMER_SCALE1, &options)) | |
3525 | conn->tcp_timer_scale |= BIT_1; | |
3526 | ||
3527 | conn->tcp_timer_scale >>= 1; | |
3528 | conn->tcp_timestamp_en = test_bit(TCPOPT_TIMESTAMP_EN, &options); | |
3529 | ||
3530 | options = le16_to_cpu(fw_ddb_entry->ip_options); | |
3531 | conn->fragment_disable = test_bit(IPOPT_FRAGMENT_DISABLE, &options); | |
3532 | ||
3533 | conn->max_recv_dlength = BYTE_UNITS * | |
3534 | le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len); | |
3535 | conn->max_xmit_dlength = BYTE_UNITS * | |
3536 | le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len); | |
3537 | sess->first_burst = BYTE_UNITS * | |
3538 | le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len); | |
3539 | sess->max_burst = BYTE_UNITS * | |
3540 | le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len); | |
3541 | sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t); | |
3542 | sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); | |
3543 | sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain); | |
3544 | sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); | |
3545 | conn->max_segment_size = le16_to_cpu(fw_ddb_entry->mss); | |
3546 | conn->tcp_xmit_wsf = fw_ddb_entry->tcp_xmt_wsf; | |
3547 | conn->tcp_recv_wsf = fw_ddb_entry->tcp_rcv_wsf; | |
3548 | conn->ipv6_flow_label = le16_to_cpu(fw_ddb_entry->ipv6_flow_lbl); | |
3549 | conn->keepalive_timeout = le16_to_cpu(fw_ddb_entry->ka_timeout); | |
3550 | conn->local_port = le16_to_cpu(fw_ddb_entry->lcl_port); | |
3551 | conn->statsn = le32_to_cpu(fw_ddb_entry->stat_sn); | |
3552 | conn->exp_statsn = le32_to_cpu(fw_ddb_entry->exp_stat_sn); | |
3553 | sess->discovery_parent_idx = le16_to_cpu(fw_ddb_entry->ddb_link); | |
3554 | sess->discovery_parent_type = le16_to_cpu(fw_ddb_entry->ddb_link); | |
3555 | sess->chap_out_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); | |
3556 | sess->tsid = le16_to_cpu(fw_ddb_entry->tsid); | |
3557 | ||
3558 | sess->default_taskmgmt_timeout = | |
3559 | le16_to_cpu(fw_ddb_entry->def_timeout); | |
3560 | conn->port = le16_to_cpu(fw_ddb_entry->port); | |
3561 | ||
3562 | options = le16_to_cpu(fw_ddb_entry->options); | |
3563 | conn->ipaddress = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL); | |
3564 | if (!conn->ipaddress) { | |
3565 | rc = -ENOMEM; | |
3566 | goto exit_copy; | |
3567 | } | |
3568 | ||
3569 | conn->redirect_ipaddr = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL); | |
3570 | if (!conn->redirect_ipaddr) { | |
3571 | rc = -ENOMEM; | |
3572 | goto exit_copy; | |
3573 | } | |
3574 | ||
3575 | memcpy(conn->ipaddress, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN); | |
3576 | memcpy(conn->redirect_ipaddr, fw_ddb_entry->tgt_addr, IPv6_ADDR_LEN); | |
3577 | ||
3578 | if (test_bit(OPT_IPV6_DEVICE, &options)) { | |
3579 | conn->ipv6_traffic_class = fw_ddb_entry->ipv4_tos; | |
3580 | ||
3d30b439 BT |
3581 | conn->link_local_ipv6_addr = kmemdup( |
3582 | fw_ddb_entry->link_local_ipv6_addr, | |
3583 | IPv6_ADDR_LEN, GFP_KERNEL); | |
1e9e2be3 AC |
3584 | if (!conn->link_local_ipv6_addr) { |
3585 | rc = -ENOMEM; | |
3586 | goto exit_copy; | |
3587 | } | |
1e9e2be3 AC |
3588 | } else { |
3589 | conn->ipv4_tos = fw_ddb_entry->ipv4_tos; | |
3590 | } | |
3591 | ||
3592 | if (fw_ddb_entry->iscsi_name[0]) { | |
3593 | rc = iscsi_switch_str_param(&sess->targetname, | |
3594 | (char *)fw_ddb_entry->iscsi_name); | |
3595 | if (rc) | |
3596 | goto exit_copy; | |
3597 | } | |
3598 | ||
3599 | if (fw_ddb_entry->iscsi_alias[0]) { | |
3600 | rc = iscsi_switch_str_param(&sess->targetalias, | |
3601 | (char *)fw_ddb_entry->iscsi_alias); | |
3602 | if (rc) | |
3603 | goto exit_copy; | |
3604 | } | |
3605 | ||
3606 | COPY_ISID(sess->isid, fw_ddb_entry->isid); | |
3607 | ||
3608 | exit_copy: | |
3609 | return rc; | |
3610 | } | |
3611 | ||
3612 | static int qla4xxx_copy_to_fwddb_param(struct iscsi_bus_flash_session *sess, | |
3613 | struct iscsi_bus_flash_conn *conn, | |
3614 | struct dev_db_entry *fw_ddb_entry) | |
3615 | { | |
3616 | uint16_t options; | |
3617 | int rc = 0; | |
3618 | ||
3619 | options = le16_to_cpu(fw_ddb_entry->options); | |
3620 | SET_BITVAL(conn->is_fw_assigned_ipv6, options, BIT_11); | |
c962c18b | 3621 | if (!strncmp(sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
1e9e2be3 AC |
3622 | options |= BIT_8; |
3623 | else | |
3624 | options &= ~BIT_8; | |
3625 | ||
3626 | SET_BITVAL(sess->auto_snd_tgt_disable, options, BIT_6); | |
3627 | SET_BITVAL(sess->discovery_sess, options, BIT_4); | |
3628 | SET_BITVAL(sess->entry_state, options, BIT_3); | |
3629 | fw_ddb_entry->options = cpu_to_le16(options); | |
3630 | ||
3631 | options = le16_to_cpu(fw_ddb_entry->iscsi_options); | |
3632 | SET_BITVAL(conn->hdrdgst_en, options, BIT_13); | |
3633 | SET_BITVAL(conn->datadgst_en, options, BIT_12); | |
3634 | SET_BITVAL(sess->imm_data_en, options, BIT_11); | |
3635 | SET_BITVAL(sess->initial_r2t_en, options, BIT_10); | |
3636 | SET_BITVAL(sess->dataseq_inorder_en, options, BIT_9); | |
3637 | SET_BITVAL(sess->pdu_inorder_en, options, BIT_8); | |
3638 | SET_BITVAL(sess->chap_auth_en, options, BIT_7); | |
3639 | SET_BITVAL(conn->snack_req_en, options, BIT_6); | |
3640 | SET_BITVAL(sess->discovery_logout_en, options, BIT_5); | |
3641 | SET_BITVAL(sess->bidi_chap_en, options, BIT_4); | |
3642 | SET_BITVAL(sess->discovery_auth_optional, options, BIT_3); | |
3643 | SET_BITVAL(sess->erl & BIT_1, options, BIT_1); | |
3644 | SET_BITVAL(sess->erl & BIT_0, options, BIT_0); | |
3645 | fw_ddb_entry->iscsi_options = cpu_to_le16(options); | |
3646 | ||
3647 | options = le16_to_cpu(fw_ddb_entry->tcp_options); | |
3648 | SET_BITVAL(conn->tcp_timestamp_stat, options, BIT_6); | |
3649 | SET_BITVAL(conn->tcp_nagle_disable, options, BIT_5); | |
3650 | SET_BITVAL(conn->tcp_wsf_disable, options, BIT_4); | |
3651 | SET_BITVAL(conn->tcp_timer_scale & BIT_2, options, BIT_3); | |
3652 | SET_BITVAL(conn->tcp_timer_scale & BIT_1, options, BIT_2); | |
3653 | SET_BITVAL(conn->tcp_timer_scale & BIT_0, options, BIT_1); | |
3654 | SET_BITVAL(conn->tcp_timestamp_en, options, BIT_0); | |
3655 | fw_ddb_entry->tcp_options = cpu_to_le16(options); | |
3656 | ||
3657 | options = le16_to_cpu(fw_ddb_entry->ip_options); | |
3658 | SET_BITVAL(conn->fragment_disable, options, BIT_4); | |
3659 | fw_ddb_entry->ip_options = cpu_to_le16(options); | |
3660 | ||
3661 | fw_ddb_entry->iscsi_max_outsnd_r2t = cpu_to_le16(sess->max_r2t); | |
3662 | fw_ddb_entry->iscsi_max_rcv_data_seg_len = | |
3663 | cpu_to_le16(conn->max_recv_dlength / BYTE_UNITS); | |
3664 | fw_ddb_entry->iscsi_max_snd_data_seg_len = | |
3665 | cpu_to_le16(conn->max_xmit_dlength / BYTE_UNITS); | |
3666 | fw_ddb_entry->iscsi_first_burst_len = | |
3667 | cpu_to_le16(sess->first_burst / BYTE_UNITS); | |
3668 | fw_ddb_entry->iscsi_max_burst_len = cpu_to_le16(sess->max_burst / | |
3669 | BYTE_UNITS); | |
3670 | fw_ddb_entry->iscsi_def_time2wait = cpu_to_le16(sess->time2wait); | |
3671 | fw_ddb_entry->iscsi_def_time2retain = cpu_to_le16(sess->time2retain); | |
3672 | fw_ddb_entry->tgt_portal_grp = cpu_to_le16(sess->tpgt); | |
3673 | fw_ddb_entry->mss = cpu_to_le16(conn->max_segment_size); | |
fbcd4836 AC |
3674 | fw_ddb_entry->tcp_xmt_wsf = (uint8_t) cpu_to_le32(conn->tcp_xmit_wsf); |
3675 | fw_ddb_entry->tcp_rcv_wsf = (uint8_t) cpu_to_le32(conn->tcp_recv_wsf); | |
1e9e2be3 AC |
3676 | fw_ddb_entry->ipv6_flow_lbl = cpu_to_le16(conn->ipv6_flow_label); |
3677 | fw_ddb_entry->ka_timeout = cpu_to_le16(conn->keepalive_timeout); | |
3678 | fw_ddb_entry->lcl_port = cpu_to_le16(conn->local_port); | |
fbcd4836 AC |
3679 | fw_ddb_entry->stat_sn = cpu_to_le32(conn->statsn); |
3680 | fw_ddb_entry->exp_stat_sn = cpu_to_le32(conn->exp_statsn); | |
65560166 | 3681 | fw_ddb_entry->ddb_link = cpu_to_le16(sess->discovery_parent_idx); |
1e9e2be3 AC |
3682 | fw_ddb_entry->chap_tbl_idx = cpu_to_le16(sess->chap_out_idx); |
3683 | fw_ddb_entry->tsid = cpu_to_le16(sess->tsid); | |
3684 | fw_ddb_entry->port = cpu_to_le16(conn->port); | |
3685 | fw_ddb_entry->def_timeout = | |
3686 | cpu_to_le16(sess->default_taskmgmt_timeout); | |
3687 | ||
84595802 AC |
3688 | if (!strncmp(sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
3689 | fw_ddb_entry->ipv4_tos = conn->ipv6_traffic_class; | |
3690 | else | |
3691 | fw_ddb_entry->ipv4_tos = conn->ipv4_tos; | |
3692 | ||
1e9e2be3 AC |
3693 | if (conn->ipaddress) |
3694 | memcpy(fw_ddb_entry->ip_addr, conn->ipaddress, | |
3695 | sizeof(fw_ddb_entry->ip_addr)); | |
3696 | ||
3697 | if (conn->redirect_ipaddr) | |
3698 | memcpy(fw_ddb_entry->tgt_addr, conn->redirect_ipaddr, | |
3699 | sizeof(fw_ddb_entry->tgt_addr)); | |
3700 | ||
3701 | if (conn->link_local_ipv6_addr) | |
3702 | memcpy(fw_ddb_entry->link_local_ipv6_addr, | |
3703 | conn->link_local_ipv6_addr, | |
3704 | sizeof(fw_ddb_entry->link_local_ipv6_addr)); | |
3705 | ||
3706 | if (sess->targetname) | |
3707 | memcpy(fw_ddb_entry->iscsi_name, sess->targetname, | |
3708 | sizeof(fw_ddb_entry->iscsi_name)); | |
3709 | ||
3710 | if (sess->targetalias) | |
3711 | memcpy(fw_ddb_entry->iscsi_alias, sess->targetalias, | |
3712 | sizeof(fw_ddb_entry->iscsi_alias)); | |
3713 | ||
3714 | COPY_ISID(fw_ddb_entry->isid, sess->isid); | |
3715 | ||
3716 | return rc; | |
3717 | } | |
3718 | ||
8cc91d42 AC |
3719 | static void qla4xxx_copy_to_sess_conn_params(struct iscsi_conn *conn, |
3720 | struct iscsi_session *sess, | |
3721 | struct dev_db_entry *fw_ddb_entry) | |
3722 | { | |
3723 | unsigned long options = 0; | |
3724 | uint16_t ddb_link; | |
3725 | uint16_t disc_parent; | |
fb734ee3 | 3726 | char ip_addr[DDB_IPADDR_LEN]; |
8cc91d42 AC |
3727 | |
3728 | options = le16_to_cpu(fw_ddb_entry->options); | |
3729 | conn->is_fw_assigned_ipv6 = test_bit(OPT_IS_FW_ASSIGNED_IPV6, &options); | |
3730 | sess->auto_snd_tgt_disable = test_bit(OPT_AUTO_SENDTGTS_DISABLE, | |
3731 | &options); | |
3732 | sess->discovery_sess = test_bit(OPT_DISC_SESSION, &options); | |
3733 | ||
3734 | options = le16_to_cpu(fw_ddb_entry->iscsi_options); | |
3735 | conn->hdrdgst_en = test_bit(ISCSIOPT_HEADER_DIGEST_EN, &options); | |
3736 | conn->datadgst_en = test_bit(ISCSIOPT_DATA_DIGEST_EN, &options); | |
3737 | sess->imm_data_en = test_bit(ISCSIOPT_IMMEDIATE_DATA_EN, &options); | |
3738 | sess->initial_r2t_en = test_bit(ISCSIOPT_INITIAL_R2T_EN, &options); | |
3739 | sess->dataseq_inorder_en = test_bit(ISCSIOPT_DATA_SEQ_IN_ORDER, | |
3740 | &options); | |
3741 | sess->pdu_inorder_en = test_bit(ISCSIOPT_DATA_PDU_IN_ORDER, &options); | |
3742 | sess->chap_auth_en = test_bit(ISCSIOPT_CHAP_AUTH_EN, &options); | |
3743 | sess->discovery_logout_en = test_bit(ISCSIOPT_DISCOVERY_LOGOUT_EN, | |
3744 | &options); | |
3745 | sess->bidi_chap_en = test_bit(ISCSIOPT_BIDI_CHAP_EN, &options); | |
3746 | sess->discovery_auth_optional = | |
3747 | test_bit(ISCSIOPT_DISCOVERY_AUTH_OPTIONAL, &options); | |
3748 | if (test_bit(ISCSIOPT_ERL1, &options)) | |
3749 | sess->erl |= BIT_1; | |
3750 | if (test_bit(ISCSIOPT_ERL0, &options)) | |
3751 | sess->erl |= BIT_0; | |
3752 | ||
3753 | options = le16_to_cpu(fw_ddb_entry->tcp_options); | |
3754 | conn->tcp_timestamp_stat = test_bit(TCPOPT_TIMESTAMP_STAT, &options); | |
3755 | conn->tcp_nagle_disable = test_bit(TCPOPT_NAGLE_DISABLE, &options); | |
3756 | conn->tcp_wsf_disable = test_bit(TCPOPT_WSF_DISABLE, &options); | |
3757 | if (test_bit(TCPOPT_TIMER_SCALE3, &options)) | |
3758 | conn->tcp_timer_scale |= BIT_3; | |
3759 | if (test_bit(TCPOPT_TIMER_SCALE2, &options)) | |
3760 | conn->tcp_timer_scale |= BIT_2; | |
3761 | if (test_bit(TCPOPT_TIMER_SCALE1, &options)) | |
3762 | conn->tcp_timer_scale |= BIT_1; | |
3763 | ||
3764 | conn->tcp_timer_scale >>= 1; | |
3765 | conn->tcp_timestamp_en = test_bit(TCPOPT_TIMESTAMP_EN, &options); | |
3766 | ||
3767 | options = le16_to_cpu(fw_ddb_entry->ip_options); | |
3768 | conn->fragment_disable = test_bit(IPOPT_FRAGMENT_DISABLE, &options); | |
3769 | ||
3770 | conn->max_recv_dlength = BYTE_UNITS * | |
3771 | le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len); | |
3772 | conn->max_xmit_dlength = BYTE_UNITS * | |
3773 | le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len); | |
3774 | sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t); | |
3775 | sess->first_burst = BYTE_UNITS * | |
3776 | le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len); | |
3777 | sess->max_burst = BYTE_UNITS * | |
3778 | le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len); | |
3779 | sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); | |
3780 | sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain); | |
3781 | sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); | |
3782 | conn->max_segment_size = le16_to_cpu(fw_ddb_entry->mss); | |
3783 | conn->tcp_xmit_wsf = fw_ddb_entry->tcp_xmt_wsf; | |
3784 | conn->tcp_recv_wsf = fw_ddb_entry->tcp_rcv_wsf; | |
3785 | conn->ipv4_tos = fw_ddb_entry->ipv4_tos; | |
3786 | conn->keepalive_tmo = le16_to_cpu(fw_ddb_entry->ka_timeout); | |
3787 | conn->local_port = le16_to_cpu(fw_ddb_entry->lcl_port); | |
3788 | conn->statsn = le32_to_cpu(fw_ddb_entry->stat_sn); | |
3789 | conn->exp_statsn = le32_to_cpu(fw_ddb_entry->exp_stat_sn); | |
3790 | sess->tsid = le16_to_cpu(fw_ddb_entry->tsid); | |
3791 | COPY_ISID(sess->isid, fw_ddb_entry->isid); | |
3792 | ||
3793 | ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); | |
8cc91d42 AC |
3794 | if (ddb_link == DDB_ISNS) |
3795 | disc_parent = ISCSI_DISC_PARENT_ISNS; | |
3796 | else if (ddb_link == DDB_NO_LINK) | |
3797 | disc_parent = ISCSI_DISC_PARENT_UNKNOWN; | |
3798 | else if (ddb_link < MAX_DDB_ENTRIES) | |
3799 | disc_parent = ISCSI_DISC_PARENT_SENDTGT; | |
3800 | else | |
3801 | disc_parent = ISCSI_DISC_PARENT_UNKNOWN; | |
3802 | ||
3803 | iscsi_set_param(conn->cls_conn, ISCSI_PARAM_DISCOVERY_PARENT_TYPE, | |
3804 | iscsi_get_discovery_parent_name(disc_parent), 0); | |
3805 | ||
3806 | iscsi_set_param(conn->cls_conn, ISCSI_PARAM_TARGET_ALIAS, | |
3807 | (char *)fw_ddb_entry->iscsi_alias, 0); | |
fb734ee3 AC |
3808 | |
3809 | options = le16_to_cpu(fw_ddb_entry->options); | |
3810 | if (options & DDB_OPT_IPV6_DEVICE) { | |
3811 | memset(ip_addr, 0, sizeof(ip_addr)); | |
3812 | sprintf(ip_addr, "%pI6", fw_ddb_entry->link_local_ipv6_addr); | |
3813 | iscsi_set_param(conn->cls_conn, ISCSI_PARAM_LOCAL_IPADDR, | |
3814 | (char *)ip_addr, 0); | |
3815 | } | |
8cc91d42 AC |
3816 | } |
3817 | ||
13483730 MC |
3818 | static void qla4xxx_copy_fwddb_param(struct scsi_qla_host *ha, |
3819 | struct dev_db_entry *fw_ddb_entry, | |
3820 | struct iscsi_cls_session *cls_sess, | |
3821 | struct iscsi_cls_conn *cls_conn) | |
3822 | { | |
3823 | int buflen = 0; | |
3824 | struct iscsi_session *sess; | |
376738af | 3825 | struct ddb_entry *ddb_entry; |
946ac571 | 3826 | struct ql4_chap_table chap_tbl; |
13483730 MC |
3827 | struct iscsi_conn *conn; |
3828 | char ip_addr[DDB_IPADDR_LEN]; | |
3829 | uint16_t options = 0; | |
3830 | ||
3831 | sess = cls_sess->dd_data; | |
376738af | 3832 | ddb_entry = sess->dd_data; |
13483730 | 3833 | conn = cls_conn->dd_data; |
946ac571 | 3834 | memset(&chap_tbl, 0, sizeof(chap_tbl)); |
13483730 | 3835 | |
376738af NJ |
3836 | ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); |
3837 | ||
8cc91d42 | 3838 | qla4xxx_copy_to_sess_conn_params(conn, sess, fw_ddb_entry); |
13483730 | 3839 | |
8cc91d42 | 3840 | sess->def_taskmgmt_tmo = le16_to_cpu(fw_ddb_entry->def_timeout); |
13483730 MC |
3841 | conn->persistent_port = le16_to_cpu(fw_ddb_entry->port); |
3842 | ||
8cc91d42 | 3843 | memset(ip_addr, 0, sizeof(ip_addr)); |
13483730 | 3844 | options = le16_to_cpu(fw_ddb_entry->options); |
8cc91d42 AC |
3845 | if (options & DDB_OPT_IPV6_DEVICE) { |
3846 | iscsi_set_param(cls_conn, ISCSI_PARAM_PORTAL_TYPE, "ipv6", 4); | |
3847 | ||
3848 | memset(ip_addr, 0, sizeof(ip_addr)); | |
13483730 | 3849 | sprintf(ip_addr, "%pI6", fw_ddb_entry->ip_addr); |
8cc91d42 AC |
3850 | } else { |
3851 | iscsi_set_param(cls_conn, ISCSI_PARAM_PORTAL_TYPE, "ipv4", 4); | |
13483730 | 3852 | sprintf(ip_addr, "%pI4", fw_ddb_entry->ip_addr); |
8cc91d42 | 3853 | } |
13483730 | 3854 | |
8cc91d42 AC |
3855 | iscsi_set_param(cls_conn, ISCSI_PARAM_PERSISTENT_ADDRESS, |
3856 | (char *)ip_addr, buflen); | |
13483730 MC |
3857 | iscsi_set_param(cls_conn, ISCSI_PARAM_TARGET_NAME, |
3858 | (char *)fw_ddb_entry->iscsi_name, buflen); | |
3859 | iscsi_set_param(cls_conn, ISCSI_PARAM_INITIATOR_NAME, | |
3860 | (char *)ha->name_string, buflen); | |
946ac571 AC |
3861 | |
3862 | if (ddb_entry->chap_tbl_idx != INVALID_ENTRY) { | |
3863 | if (!qla4xxx_get_uni_chap_at_index(ha, chap_tbl.name, | |
3864 | chap_tbl.secret, | |
3865 | ddb_entry->chap_tbl_idx)) { | |
3866 | iscsi_set_param(cls_conn, ISCSI_PARAM_USERNAME, | |
3867 | (char *)chap_tbl.name, | |
3868 | strlen((char *)chap_tbl.name)); | |
3869 | iscsi_set_param(cls_conn, ISCSI_PARAM_PASSWORD, | |
3870 | (char *)chap_tbl.secret, | |
3871 | chap_tbl.secret_len); | |
3872 | } | |
3873 | } | |
13483730 MC |
3874 | } |
3875 | ||
3876 | void qla4xxx_update_session_conn_fwddb_param(struct scsi_qla_host *ha, | |
3877 | struct ddb_entry *ddb_entry) | |
3878 | { | |
3879 | struct iscsi_cls_session *cls_sess; | |
3880 | struct iscsi_cls_conn *cls_conn; | |
3881 | uint32_t ddb_state; | |
3882 | dma_addr_t fw_ddb_entry_dma; | |
3883 | struct dev_db_entry *fw_ddb_entry; | |
3884 | ||
3885 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
3886 | &fw_ddb_entry_dma, GFP_KERNEL); | |
3887 | if (!fw_ddb_entry) { | |
3888 | ql4_printk(KERN_ERR, ha, | |
3889 | "%s: Unable to allocate dma buffer\n", __func__); | |
3890 | goto exit_session_conn_fwddb_param; | |
3891 | } | |
3892 | ||
3893 | if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry, | |
3894 | fw_ddb_entry_dma, NULL, NULL, &ddb_state, | |
3895 | NULL, NULL, NULL) == QLA_ERROR) { | |
3896 | DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed " | |
3897 | "get_ddb_entry for fw_ddb_index %d\n", | |
3898 | ha->host_no, __func__, | |
3899 | ddb_entry->fw_ddb_index)); | |
3900 | goto exit_session_conn_fwddb_param; | |
3901 | } | |
3902 | ||
3903 | cls_sess = ddb_entry->sess; | |
3904 | ||
3905 | cls_conn = ddb_entry->conn; | |
3906 | ||
3907 | /* Update params */ | |
3908 | qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn); | |
3909 | ||
3910 | exit_session_conn_fwddb_param: | |
3911 | if (fw_ddb_entry) | |
3912 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
3913 | fw_ddb_entry, fw_ddb_entry_dma); | |
3914 | } | |
3915 | ||
b3a271a9 MR |
3916 | void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha, |
3917 | struct ddb_entry *ddb_entry) | |
3918 | { | |
3919 | struct iscsi_cls_session *cls_sess; | |
3920 | struct iscsi_cls_conn *cls_conn; | |
3921 | struct iscsi_session *sess; | |
3922 | struct iscsi_conn *conn; | |
3923 | uint32_t ddb_state; | |
3924 | dma_addr_t fw_ddb_entry_dma; | |
3925 | struct dev_db_entry *fw_ddb_entry; | |
3926 | ||
3927 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
3928 | &fw_ddb_entry_dma, GFP_KERNEL); | |
3929 | if (!fw_ddb_entry) { | |
3930 | ql4_printk(KERN_ERR, ha, | |
3931 | "%s: Unable to allocate dma buffer\n", __func__); | |
13483730 | 3932 | goto exit_session_conn_param; |
b3a271a9 MR |
3933 | } |
3934 | ||
3935 | if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry, | |
3936 | fw_ddb_entry_dma, NULL, NULL, &ddb_state, | |
3937 | NULL, NULL, NULL) == QLA_ERROR) { | |
3938 | DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed " | |
3939 | "get_ddb_entry for fw_ddb_index %d\n", | |
3940 | ha->host_no, __func__, | |
3941 | ddb_entry->fw_ddb_index)); | |
13483730 | 3942 | goto exit_session_conn_param; |
b3a271a9 MR |
3943 | } |
3944 | ||
3945 | cls_sess = ddb_entry->sess; | |
3946 | sess = cls_sess->dd_data; | |
3947 | ||
3948 | cls_conn = ddb_entry->conn; | |
3949 | conn = cls_conn->dd_data; | |
3950 | ||
13483730 MC |
3951 | /* Update timers after login */ |
3952 | ddb_entry->default_relogin_timeout = | |
c28eaaca NJ |
3953 | (le16_to_cpu(fw_ddb_entry->def_timeout) > LOGIN_TOV) && |
3954 | (le16_to_cpu(fw_ddb_entry->def_timeout) < LOGIN_TOV * 10) ? | |
3955 | le16_to_cpu(fw_ddb_entry->def_timeout) : LOGIN_TOV; | |
13483730 MC |
3956 | ddb_entry->default_time2wait = |
3957 | le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); | |
3958 | ||
b3a271a9 | 3959 | /* Update params */ |
376738af | 3960 | ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); |
8cc91d42 | 3961 | qla4xxx_copy_to_sess_conn_params(conn, sess, fw_ddb_entry); |
b3a271a9 MR |
3962 | |
3963 | memcpy(sess->initiatorname, ha->name_string, | |
3964 | min(sizeof(ha->name_string), sizeof(sess->initiatorname))); | |
13483730 MC |
3965 | |
3966 | exit_session_conn_param: | |
3967 | if (fw_ddb_entry) | |
3968 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
3969 | fw_ddb_entry, fw_ddb_entry_dma); | |
b3a271a9 MR |
3970 | } |
3971 | ||
afaf5a2d DS |
3972 | /* |
3973 | * Timer routines | |
3974 | */ | |
d744644a | 3975 | static void qla4xxx_timer(struct timer_list *t); |
afaf5a2d | 3976 | |
d744644a | 3977 | static void qla4xxx_start_timer(struct scsi_qla_host *ha, |
afaf5a2d DS |
3978 | unsigned long interval) |
3979 | { | |
3980 | DEBUG(printk("scsi: %s: Starting timer thread for adapter %d\n", | |
3981 | __func__, ha->host->host_no)); | |
d744644a | 3982 | timer_setup(&ha->timer, qla4xxx_timer, 0); |
afaf5a2d | 3983 | ha->timer.expires = jiffies + interval * HZ; |
afaf5a2d DS |
3984 | add_timer(&ha->timer); |
3985 | ha->timer_active = 1; | |
3986 | } | |
3987 | ||
3988 | static void qla4xxx_stop_timer(struct scsi_qla_host *ha) | |
3989 | { | |
3990 | del_timer_sync(&ha->timer); | |
3991 | ha->timer_active = 0; | |
3992 | } | |
3993 | ||
3994 | /*** | |
b3a271a9 MR |
3995 | * qla4xxx_mark_device_missing - blocks the session |
3996 | * @cls_session: Pointer to the session to be blocked | |
afaf5a2d DS |
3997 | * @ddb_entry: Pointer to device database entry |
3998 | * | |
f4f5df23 | 3999 | * This routine marks a device missing and close connection. |
afaf5a2d | 4000 | **/ |
b3a271a9 | 4001 | void qla4xxx_mark_device_missing(struct iscsi_cls_session *cls_session) |
afaf5a2d | 4002 | { |
b3a271a9 | 4003 | iscsi_block_session(cls_session); |
afaf5a2d DS |
4004 | } |
4005 | ||
f4f5df23 VC |
4006 | /** |
4007 | * qla4xxx_mark_all_devices_missing - mark all devices as missing. | |
4008 | * @ha: Pointer to host adapter structure. | |
4009 | * | |
4010 | * This routine marks a device missing and resets the relogin retry count. | |
4011 | **/ | |
4012 | void qla4xxx_mark_all_devices_missing(struct scsi_qla_host *ha) | |
4013 | { | |
b3a271a9 | 4014 | iscsi_host_for_each_session(ha->host, qla4xxx_mark_device_missing); |
f4f5df23 VC |
4015 | } |
4016 | ||
afaf5a2d DS |
4017 | static struct srb* qla4xxx_get_new_srb(struct scsi_qla_host *ha, |
4018 | struct ddb_entry *ddb_entry, | |
8f0722ca | 4019 | struct scsi_cmnd *cmd) |
afaf5a2d DS |
4020 | { |
4021 | struct srb *srb; | |
4022 | ||
4023 | srb = mempool_alloc(ha->srb_mempool, GFP_ATOMIC); | |
4024 | if (!srb) | |
4025 | return srb; | |
4026 | ||
09a0f719 | 4027 | kref_init(&srb->srb_ref); |
afaf5a2d DS |
4028 | srb->ha = ha; |
4029 | srb->ddb = ddb_entry; | |
4030 | srb->cmd = cmd; | |
4031 | srb->flags = 0; | |
5369887a | 4032 | CMD_SP(cmd) = (void *)srb; |
afaf5a2d DS |
4033 | |
4034 | return srb; | |
4035 | } | |
4036 | ||
4037 | static void qla4xxx_srb_free_dma(struct scsi_qla_host *ha, struct srb *srb) | |
4038 | { | |
4039 | struct scsi_cmnd *cmd = srb->cmd; | |
4040 | ||
4041 | if (srb->flags & SRB_DMA_VALID) { | |
5f7186c8 | 4042 | scsi_dma_unmap(cmd); |
afaf5a2d DS |
4043 | srb->flags &= ~SRB_DMA_VALID; |
4044 | } | |
5369887a | 4045 | CMD_SP(cmd) = NULL; |
afaf5a2d DS |
4046 | } |
4047 | ||
09a0f719 | 4048 | void qla4xxx_srb_compl(struct kref *ref) |
afaf5a2d | 4049 | { |
09a0f719 | 4050 | struct srb *srb = container_of(ref, struct srb, srb_ref); |
afaf5a2d | 4051 | struct scsi_cmnd *cmd = srb->cmd; |
09a0f719 | 4052 | struct scsi_qla_host *ha = srb->ha; |
afaf5a2d DS |
4053 | |
4054 | qla4xxx_srb_free_dma(ha, srb); | |
4055 | ||
4056 | mempool_free(srb, ha->srb_mempool); | |
4057 | ||
4058 | cmd->scsi_done(cmd); | |
4059 | } | |
4060 | ||
4061 | /** | |
4062 | * qla4xxx_queuecommand - scsi layer issues scsi command to driver. | |
8f0722ca | 4063 | * @host: scsi host |
afaf5a2d | 4064 | * @cmd: Pointer to Linux's SCSI command structure |
afaf5a2d DS |
4065 | * |
4066 | * Remarks: | |
4067 | * This routine is invoked by Linux to send a SCSI command to the driver. | |
4068 | * The mid-level driver tries to ensure that queuecommand never gets | |
4069 | * invoked concurrently with itself or the interrupt handler (although | |
4070 | * the interrupt handler may call this routine as part of request- | |
4071 | * completion handling). Unfortunely, it sometimes calls the scheduler | |
4072 | * in interrupt context which is a big NO! NO!. | |
4073 | **/ | |
8f0722ca | 4074 | static int qla4xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) |
afaf5a2d | 4075 | { |
8f0722ca | 4076 | struct scsi_qla_host *ha = to_qla_host(host); |
afaf5a2d | 4077 | struct ddb_entry *ddb_entry = cmd->device->hostdata; |
7fb1921b | 4078 | struct iscsi_cls_session *sess = ddb_entry->sess; |
afaf5a2d DS |
4079 | struct srb *srb; |
4080 | int rval; | |
4081 | ||
2232be0d LC |
4082 | if (test_bit(AF_EEH_BUSY, &ha->flags)) { |
4083 | if (test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags)) | |
4084 | cmd->result = DID_NO_CONNECT << 16; | |
4085 | else | |
4086 | cmd->result = DID_REQUEUE << 16; | |
4087 | goto qc_fail_command; | |
4088 | } | |
4089 | ||
7fb1921b MC |
4090 | if (!sess) { |
4091 | cmd->result = DID_IMM_RETRY << 16; | |
4092 | goto qc_fail_command; | |
4093 | } | |
4094 | ||
4095 | rval = iscsi_session_chkready(sess); | |
4096 | if (rval) { | |
4097 | cmd->result = rval; | |
4098 | goto qc_fail_command; | |
4099 | } | |
4100 | ||
f4f5df23 VC |
4101 | if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || |
4102 | test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) || | |
4103 | test_bit(DPC_RESET_HA, &ha->dpc_flags) || | |
4104 | test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) || | |
4105 | test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) || | |
4106 | !test_bit(AF_ONLINE, &ha->flags) || | |
b3a271a9 | 4107 | !test_bit(AF_LINK_UP, &ha->flags) || |
026fbd3a | 4108 | test_bit(AF_LOOPBACK, &ha->flags) || |
7ab284c9 NJ |
4109 | test_bit(DPC_POST_IDC_ACK, &ha->dpc_flags) || |
4110 | test_bit(DPC_RESTORE_ACB, &ha->dpc_flags) || | |
f4f5df23 | 4111 | test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) |
477ffb9d DS |
4112 | goto qc_host_busy; |
4113 | ||
8f0722ca | 4114 | srb = qla4xxx_get_new_srb(ha, ddb_entry, cmd); |
afaf5a2d | 4115 | if (!srb) |
8f0722ca | 4116 | goto qc_host_busy; |
afaf5a2d DS |
4117 | |
4118 | rval = qla4xxx_send_command_to_isp(ha, srb); | |
4119 | if (rval != QLA_SUCCESS) | |
4120 | goto qc_host_busy_free_sp; | |
4121 | ||
afaf5a2d DS |
4122 | return 0; |
4123 | ||
4124 | qc_host_busy_free_sp: | |
4125 | qla4xxx_srb_free_dma(ha, srb); | |
4126 | mempool_free(srb, ha->srb_mempool); | |
4127 | ||
afaf5a2d DS |
4128 | qc_host_busy: |
4129 | return SCSI_MLQUEUE_HOST_BUSY; | |
4130 | ||
4131 | qc_fail_command: | |
8f0722ca | 4132 | cmd->scsi_done(cmd); |
afaf5a2d DS |
4133 | |
4134 | return 0; | |
4135 | } | |
4136 | ||
4137 | /** | |
4138 | * qla4xxx_mem_free - frees memory allocated to adapter | |
4139 | * @ha: Pointer to host adapter structure. | |
4140 | * | |
4141 | * Frees memory previously allocated by qla4xxx_mem_alloc | |
4142 | **/ | |
4143 | static void qla4xxx_mem_free(struct scsi_qla_host *ha) | |
4144 | { | |
4145 | if (ha->queues) | |
4146 | dma_free_coherent(&ha->pdev->dev, ha->queues_len, ha->queues, | |
4147 | ha->queues_dma); | |
4148 | ||
068237c8 TP |
4149 | if (ha->fw_dump) |
4150 | vfree(ha->fw_dump); | |
4151 | ||
afaf5a2d DS |
4152 | ha->queues_len = 0; |
4153 | ha->queues = NULL; | |
4154 | ha->queues_dma = 0; | |
4155 | ha->request_ring = NULL; | |
4156 | ha->request_dma = 0; | |
4157 | ha->response_ring = NULL; | |
4158 | ha->response_dma = 0; | |
4159 | ha->shadow_regs = NULL; | |
4160 | ha->shadow_regs_dma = 0; | |
068237c8 TP |
4161 | ha->fw_dump = NULL; |
4162 | ha->fw_dump_size = 0; | |
afaf5a2d DS |
4163 | |
4164 | /* Free srb pool. */ | |
4165 | if (ha->srb_mempool) | |
4166 | mempool_destroy(ha->srb_mempool); | |
4167 | ||
4168 | ha->srb_mempool = NULL; | |
4169 | ||
b3a271a9 MR |
4170 | if (ha->chap_dma_pool) |
4171 | dma_pool_destroy(ha->chap_dma_pool); | |
4172 | ||
4549415a LC |
4173 | if (ha->chap_list) |
4174 | vfree(ha->chap_list); | |
4175 | ha->chap_list = NULL; | |
4176 | ||
13483730 MC |
4177 | if (ha->fw_ddb_dma_pool) |
4178 | dma_pool_destroy(ha->fw_ddb_dma_pool); | |
4179 | ||
afaf5a2d | 4180 | /* release io space registers */ |
f4f5df23 VC |
4181 | if (is_qla8022(ha)) { |
4182 | if (ha->nx_pcibase) | |
4183 | iounmap( | |
4184 | (struct device_reg_82xx __iomem *)ha->nx_pcibase); | |
b37ca418 | 4185 | } else if (is_qla8032(ha) || is_qla8042(ha)) { |
6e7b4292 VC |
4186 | if (ha->nx_pcibase) |
4187 | iounmap( | |
4188 | (struct device_reg_83xx __iomem *)ha->nx_pcibase); | |
4189 | } else if (ha->reg) { | |
afaf5a2d | 4190 | iounmap(ha->reg); |
6e7b4292 VC |
4191 | } |
4192 | ||
4193 | if (ha->reset_tmplt.buff) | |
4194 | vfree(ha->reset_tmplt.buff); | |
4195 | ||
afaf5a2d DS |
4196 | pci_release_regions(ha->pdev); |
4197 | } | |
4198 | ||
4199 | /** | |
4200 | * qla4xxx_mem_alloc - allocates memory for use by adapter. | |
4201 | * @ha: Pointer to host adapter structure | |
4202 | * | |
4203 | * Allocates DMA memory for request and response queues. Also allocates memory | |
4204 | * for srbs. | |
4205 | **/ | |
4206 | static int qla4xxx_mem_alloc(struct scsi_qla_host *ha) | |
4207 | { | |
4208 | unsigned long align; | |
4209 | ||
4210 | /* Allocate contiguous block of DMA memory for queues. */ | |
4211 | ha->queues_len = ((REQUEST_QUEUE_DEPTH * QUEUE_SIZE) + | |
4212 | (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE) + | |
4213 | sizeof(struct shadow_regs) + | |
4214 | MEM_ALIGN_VALUE + | |
4215 | (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1); | |
d103adb3 HJ |
4216 | ha->queues = dma_zalloc_coherent(&ha->pdev->dev, ha->queues_len, |
4217 | &ha->queues_dma, GFP_KERNEL); | |
afaf5a2d | 4218 | if (ha->queues == NULL) { |
c2660df3 VC |
4219 | ql4_printk(KERN_WARNING, ha, |
4220 | "Memory Allocation failed - queues.\n"); | |
afaf5a2d DS |
4221 | |
4222 | goto mem_alloc_error_exit; | |
4223 | } | |
afaf5a2d DS |
4224 | |
4225 | /* | |
4226 | * As per RISC alignment requirements -- the bus-address must be a | |
4227 | * multiple of the request-ring size (in bytes). | |
4228 | */ | |
4229 | align = 0; | |
4230 | if ((unsigned long)ha->queues_dma & (MEM_ALIGN_VALUE - 1)) | |
4231 | align = MEM_ALIGN_VALUE - ((unsigned long)ha->queues_dma & | |
4232 | (MEM_ALIGN_VALUE - 1)); | |
4233 | ||
4234 | /* Update request and response queue pointers. */ | |
4235 | ha->request_dma = ha->queues_dma + align; | |
4236 | ha->request_ring = (struct queue_entry *) (ha->queues + align); | |
4237 | ha->response_dma = ha->queues_dma + align + | |
4238 | (REQUEST_QUEUE_DEPTH * QUEUE_SIZE); | |
4239 | ha->response_ring = (struct queue_entry *) (ha->queues + align + | |
4240 | (REQUEST_QUEUE_DEPTH * | |
4241 | QUEUE_SIZE)); | |
4242 | ha->shadow_regs_dma = ha->queues_dma + align + | |
4243 | (REQUEST_QUEUE_DEPTH * QUEUE_SIZE) + | |
4244 | (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE); | |
4245 | ha->shadow_regs = (struct shadow_regs *) (ha->queues + align + | |
4246 | (REQUEST_QUEUE_DEPTH * | |
4247 | QUEUE_SIZE) + | |
4248 | (RESPONSE_QUEUE_DEPTH * | |
4249 | QUEUE_SIZE)); | |
4250 | ||
4251 | /* Allocate memory for srb pool. */ | |
4252 | ha->srb_mempool = mempool_create(SRB_MIN_REQ, mempool_alloc_slab, | |
4253 | mempool_free_slab, srb_cachep); | |
4254 | if (ha->srb_mempool == NULL) { | |
c2660df3 VC |
4255 | ql4_printk(KERN_WARNING, ha, |
4256 | "Memory Allocation failed - SRB Pool.\n"); | |
afaf5a2d DS |
4257 | |
4258 | goto mem_alloc_error_exit; | |
4259 | } | |
4260 | ||
b3a271a9 MR |
4261 | ha->chap_dma_pool = dma_pool_create("ql4_chap", &ha->pdev->dev, |
4262 | CHAP_DMA_BLOCK_SIZE, 8, 0); | |
4263 | ||
4264 | if (ha->chap_dma_pool == NULL) { | |
4265 | ql4_printk(KERN_WARNING, ha, | |
4266 | "%s: chap_dma_pool allocation failed..\n", __func__); | |
4267 | goto mem_alloc_error_exit; | |
4268 | } | |
4269 | ||
13483730 MC |
4270 | ha->fw_ddb_dma_pool = dma_pool_create("ql4_fw_ddb", &ha->pdev->dev, |
4271 | DDB_DMA_BLOCK_SIZE, 8, 0); | |
4272 | ||
4273 | if (ha->fw_ddb_dma_pool == NULL) { | |
4274 | ql4_printk(KERN_WARNING, ha, | |
4275 | "%s: fw_ddb_dma_pool allocation failed..\n", | |
4276 | __func__); | |
4277 | goto mem_alloc_error_exit; | |
4278 | } | |
4279 | ||
afaf5a2d DS |
4280 | return QLA_SUCCESS; |
4281 | ||
4282 | mem_alloc_error_exit: | |
4283 | qla4xxx_mem_free(ha); | |
4284 | return QLA_ERROR; | |
4285 | } | |
4286 | ||
4f77083e MH |
4287 | /** |
4288 | * qla4_8xxx_check_temp - Check the ISP82XX temperature. | |
4289 | * @ha: adapter block pointer. | |
4290 | * | |
4291 | * Note: The caller should not hold the idc lock. | |
4292 | **/ | |
4293 | static int qla4_8xxx_check_temp(struct scsi_qla_host *ha) | |
4294 | { | |
4295 | uint32_t temp, temp_state, temp_val; | |
4296 | int status = QLA_SUCCESS; | |
4297 | ||
33693c7a | 4298 | temp = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_TEMP_STATE); |
4f77083e MH |
4299 | |
4300 | temp_state = qla82xx_get_temp_state(temp); | |
4301 | temp_val = qla82xx_get_temp_val(temp); | |
4302 | ||
4303 | if (temp_state == QLA82XX_TEMP_PANIC) { | |
4304 | ql4_printk(KERN_WARNING, ha, "Device temperature %d degrees C" | |
4305 | " exceeds maximum allowed. Hardware has been shut" | |
4306 | " down.\n", temp_val); | |
4307 | status = QLA_ERROR; | |
4308 | } else if (temp_state == QLA82XX_TEMP_WARN) { | |
4309 | if (ha->temperature == QLA82XX_TEMP_NORMAL) | |
4310 | ql4_printk(KERN_WARNING, ha, "Device temperature %d" | |
4311 | " degrees C exceeds operating range." | |
4312 | " Immediate action needed.\n", temp_val); | |
4313 | } else { | |
4314 | if (ha->temperature == QLA82XX_TEMP_WARN) | |
4315 | ql4_printk(KERN_INFO, ha, "Device temperature is" | |
4316 | " now %d degrees C in normal range.\n", | |
4317 | temp_val); | |
4318 | } | |
4319 | ha->temperature = temp_state; | |
4320 | return status; | |
4321 | } | |
4322 | ||
f4f5df23 VC |
4323 | /** |
4324 | * qla4_8xxx_check_fw_alive - Check firmware health | |
4325 | * @ha: Pointer to host adapter structure. | |
4326 | * | |
4327 | * Context: Interrupt | |
4328 | **/ | |
9ee91a38 | 4329 | static int qla4_8xxx_check_fw_alive(struct scsi_qla_host *ha) |
f4f5df23 | 4330 | { |
9ee91a38 SS |
4331 | uint32_t fw_heartbeat_counter; |
4332 | int status = QLA_SUCCESS; | |
f4f5df23 | 4333 | |
33693c7a VC |
4334 | fw_heartbeat_counter = qla4_8xxx_rd_direct(ha, |
4335 | QLA8XXX_PEG_ALIVE_COUNTER); | |
2232be0d LC |
4336 | /* If PEG_ALIVE_COUNTER is 0xffffffff, AER/EEH is in progress, ignore */ |
4337 | if (fw_heartbeat_counter == 0xffffffff) { | |
4338 | DEBUG2(printk(KERN_WARNING "scsi%ld: %s: Device in frozen " | |
4339 | "state, QLA82XX_PEG_ALIVE_COUNTER is 0xffffffff\n", | |
4340 | ha->host_no, __func__)); | |
9ee91a38 | 4341 | return status; |
2232be0d | 4342 | } |
f4f5df23 VC |
4343 | |
4344 | if (ha->fw_heartbeat_counter == fw_heartbeat_counter) { | |
4345 | ha->seconds_since_last_heartbeat++; | |
4346 | /* FW not alive after 2 seconds */ | |
4347 | if (ha->seconds_since_last_heartbeat == 2) { | |
4348 | ha->seconds_since_last_heartbeat = 0; | |
6e7b4292 | 4349 | qla4_8xxx_dump_peg_reg(ha); |
9ee91a38 | 4350 | status = QLA_ERROR; |
f4f5df23 | 4351 | } |
99457d75 LC |
4352 | } else |
4353 | ha->seconds_since_last_heartbeat = 0; | |
4354 | ||
f4f5df23 | 4355 | ha->fw_heartbeat_counter = fw_heartbeat_counter; |
9ee91a38 | 4356 | return status; |
f4f5df23 VC |
4357 | } |
4358 | ||
6e7b4292 VC |
4359 | static void qla4_8xxx_process_fw_error(struct scsi_qla_host *ha) |
4360 | { | |
4361 | uint32_t halt_status; | |
4362 | int halt_status_unrecoverable = 0; | |
4363 | ||
4364 | halt_status = qla4_8xxx_rd_direct(ha, QLA8XXX_PEG_HALT_STATUS1); | |
4365 | ||
4366 | if (is_qla8022(ha)) { | |
4367 | ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n", | |
4368 | __func__); | |
4369 | qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98, | |
4370 | CRB_NIU_XG_PAUSE_CTL_P0 | | |
4371 | CRB_NIU_XG_PAUSE_CTL_P1); | |
4372 | ||
4373 | if (QLA82XX_FWERROR_CODE(halt_status) == 0x67) | |
4374 | ql4_printk(KERN_ERR, ha, "%s: Firmware aborted with error code 0x00006700. Device is being reset\n", | |
4375 | __func__); | |
4376 | if (halt_status & HALT_STATUS_UNRECOVERABLE) | |
4377 | halt_status_unrecoverable = 1; | |
b37ca418 | 4378 | } else if (is_qla8032(ha) || is_qla8042(ha)) { |
6e7b4292 VC |
4379 | if (halt_status & QLA83XX_HALT_STATUS_FW_RESET) |
4380 | ql4_printk(KERN_ERR, ha, "%s: Firmware error detected device is being reset\n", | |
4381 | __func__); | |
4382 | else if (halt_status & QLA83XX_HALT_STATUS_UNRECOVERABLE) | |
4383 | halt_status_unrecoverable = 1; | |
4384 | } | |
4385 | ||
4386 | /* | |
4387 | * Since we cannot change dev_state in interrupt context, | |
4388 | * set appropriate DPC flag then wakeup DPC | |
4389 | */ | |
4390 | if (halt_status_unrecoverable) { | |
4391 | set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags); | |
4392 | } else { | |
4393 | ql4_printk(KERN_INFO, ha, "%s: detect abort needed!\n", | |
4394 | __func__); | |
4395 | set_bit(DPC_RESET_HA, &ha->dpc_flags); | |
4396 | } | |
4397 | qla4xxx_mailbox_premature_completion(ha); | |
4398 | qla4xxx_wake_dpc(ha); | |
4399 | } | |
4400 | ||
f4f5df23 VC |
4401 | /** |
4402 | * qla4_8xxx_watchdog - Poll dev state | |
4403 | * @ha: Pointer to host adapter structure. | |
4404 | * | |
4405 | * Context: Interrupt | |
4406 | **/ | |
4407 | void qla4_8xxx_watchdog(struct scsi_qla_host *ha) | |
4408 | { | |
6e7b4292 | 4409 | uint32_t dev_state; |
6cf94121 | 4410 | uint32_t idc_ctrl; |
f4f5df23 | 4411 | |
a083e8bc VC |
4412 | if (is_qla8032(ha) && |
4413 | (qla4_83xx_is_detached(ha) == QLA_SUCCESS)) | |
4414 | WARN_ONCE(1, "%s: iSCSI function %d marked invisible\n", | |
4415 | __func__, ha->func_num); | |
4416 | ||
f4f5df23 | 4417 | /* don't poll if reset is going on */ |
d56a1f7b LC |
4418 | if (!(test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) || |
4419 | test_bit(DPC_RESET_HA, &ha->dpc_flags) || | |
977f46a4 | 4420 | test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags))) { |
33693c7a | 4421 | dev_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE); |
4f77083e MH |
4422 | |
4423 | if (qla4_8xxx_check_temp(ha)) { | |
6e7b4292 VC |
4424 | if (is_qla8022(ha)) { |
4425 | ql4_printk(KERN_INFO, ha, "disabling pause transmit on port 0 & 1.\n"); | |
4426 | qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98, | |
4427 | CRB_NIU_XG_PAUSE_CTL_P0 | | |
4428 | CRB_NIU_XG_PAUSE_CTL_P1); | |
4429 | } | |
4f77083e MH |
4430 | set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags); |
4431 | qla4xxx_wake_dpc(ha); | |
de8c72da | 4432 | } else if (dev_state == QLA8XXX_DEV_NEED_RESET && |
6e7b4292 | 4433 | !test_bit(DPC_RESET_HA, &ha->dpc_flags)) { |
6cf94121 VC |
4434 | |
4435 | ql4_printk(KERN_INFO, ha, "%s: HW State: NEED RESET!\n", | |
4436 | __func__); | |
4437 | ||
b37ca418 | 4438 | if (is_qla8032(ha) || is_qla8042(ha)) { |
6cf94121 VC |
4439 | idc_ctrl = qla4_83xx_rd_reg(ha, |
4440 | QLA83XX_IDC_DRV_CTRL); | |
4441 | if (!(idc_ctrl & GRACEFUL_RESET_BIT1)) { | |
4442 | ql4_printk(KERN_INFO, ha, "%s: Graceful reset bit is not set\n", | |
4443 | __func__); | |
4444 | qla4xxx_mailbox_premature_completion( | |
4445 | ha); | |
4446 | } | |
4447 | } | |
4448 | ||
b37ca418 | 4449 | if ((is_qla8032(ha) || is_qla8042(ha)) || |
6e7b4292 | 4450 | (is_qla8022(ha) && !ql4xdontresethba)) { |
3930b8c1 VC |
4451 | set_bit(DPC_RESET_HA, &ha->dpc_flags); |
4452 | qla4xxx_wake_dpc(ha); | |
3930b8c1 | 4453 | } |
de8c72da | 4454 | } else if (dev_state == QLA8XXX_DEV_NEED_QUIESCENT && |
f4f5df23 | 4455 | !test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) { |
3930b8c1 VC |
4456 | ql4_printk(KERN_INFO, ha, "%s: HW State: NEED QUIES!\n", |
4457 | __func__); | |
f4f5df23 VC |
4458 | set_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags); |
4459 | qla4xxx_wake_dpc(ha); | |
4460 | } else { | |
4461 | /* Check firmware health */ | |
6e7b4292 VC |
4462 | if (qla4_8xxx_check_fw_alive(ha)) |
4463 | qla4_8xxx_process_fw_error(ha); | |
f4f5df23 VC |
4464 | } |
4465 | } | |
4466 | } | |
4467 | ||
4a4bc2e9 | 4468 | static void qla4xxx_check_relogin_flash_ddb(struct iscsi_cls_session *cls_sess) |
13483730 MC |
4469 | { |
4470 | struct iscsi_session *sess; | |
4471 | struct ddb_entry *ddb_entry; | |
4472 | struct scsi_qla_host *ha; | |
4473 | ||
4474 | sess = cls_sess->dd_data; | |
4475 | ddb_entry = sess->dd_data; | |
4476 | ha = ddb_entry->ha; | |
4477 | ||
4478 | if (!(ddb_entry->ddb_type == FLASH_DDB)) | |
4479 | return; | |
4480 | ||
4481 | if (adapter_up(ha) && !test_bit(DF_RELOGIN, &ddb_entry->flags) && | |
4482 | !iscsi_is_session_online(cls_sess)) { | |
4483 | if (atomic_read(&ddb_entry->retry_relogin_timer) != | |
4484 | INVALID_ENTRY) { | |
4485 | if (atomic_read(&ddb_entry->retry_relogin_timer) == | |
4486 | 0) { | |
4487 | atomic_set(&ddb_entry->retry_relogin_timer, | |
4488 | INVALID_ENTRY); | |
4489 | set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); | |
4490 | set_bit(DF_RELOGIN, &ddb_entry->flags); | |
4491 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
4492 | "%s: index [%d] login device\n", | |
4493 | __func__, ddb_entry->fw_ddb_index)); | |
4494 | } else | |
4495 | atomic_dec(&ddb_entry->retry_relogin_timer); | |
4496 | } | |
4497 | } | |
4498 | ||
4499 | /* Wait for relogin to timeout */ | |
4500 | if (atomic_read(&ddb_entry->relogin_timer) && | |
4501 | (atomic_dec_and_test(&ddb_entry->relogin_timer) != 0)) { | |
4502 | /* | |
4503 | * If the relogin times out and the device is | |
4504 | * still NOT ONLINE then try and relogin again. | |
4505 | */ | |
4506 | if (!iscsi_is_session_online(cls_sess)) { | |
4507 | /* Reset retry relogin timer */ | |
4508 | atomic_inc(&ddb_entry->relogin_retry_count); | |
4509 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
4510 | "%s: index[%d] relogin timed out-retrying" | |
4511 | " relogin (%d), retry (%d)\n", __func__, | |
4512 | ddb_entry->fw_ddb_index, | |
4513 | atomic_read(&ddb_entry->relogin_retry_count), | |
4514 | ddb_entry->default_time2wait + 4)); | |
4515 | set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); | |
4516 | atomic_set(&ddb_entry->retry_relogin_timer, | |
4517 | ddb_entry->default_time2wait + 4); | |
4518 | } | |
4519 | } | |
4520 | } | |
4521 | ||
afaf5a2d DS |
4522 | /** |
4523 | * qla4xxx_timer - checks every second for work to do. | |
4524 | * @ha: Pointer to host adapter structure. | |
4525 | **/ | |
d744644a | 4526 | static void qla4xxx_timer(struct timer_list *t) |
afaf5a2d | 4527 | { |
d744644a | 4528 | struct scsi_qla_host *ha = from_timer(ha, t, timer); |
afaf5a2d | 4529 | int start_dpc = 0; |
2232be0d LC |
4530 | uint16_t w; |
4531 | ||
13483730 MC |
4532 | iscsi_host_for_each_session(ha->host, qla4xxx_check_relogin_flash_ddb); |
4533 | ||
2232be0d LC |
4534 | /* If we are in the middle of AER/EEH processing |
4535 | * skip any processing and reschedule the timer | |
4536 | */ | |
4537 | if (test_bit(AF_EEH_BUSY, &ha->flags)) { | |
4538 | mod_timer(&ha->timer, jiffies + HZ); | |
4539 | return; | |
4540 | } | |
4541 | ||
4542 | /* Hardware read to trigger an EEH error during mailbox waits. */ | |
4543 | if (!pci_channel_offline(ha->pdev)) | |
4544 | pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w); | |
afaf5a2d | 4545 | |
6e7b4292 | 4546 | if (is_qla80XX(ha)) |
f4f5df23 | 4547 | qla4_8xxx_watchdog(ha); |
f4f5df23 | 4548 | |
ee996a69 | 4549 | if (is_qla40XX(ha)) { |
f4f5df23 VC |
4550 | /* Check for heartbeat interval. */ |
4551 | if (ha->firmware_options & FWOPT_HEARTBEAT_ENABLE && | |
4552 | ha->heartbeat_interval != 0) { | |
4553 | ha->seconds_since_last_heartbeat++; | |
4554 | if (ha->seconds_since_last_heartbeat > | |
4555 | ha->heartbeat_interval + 2) | |
4556 | set_bit(DPC_RESET_HA, &ha->dpc_flags); | |
4557 | } | |
afaf5a2d DS |
4558 | } |
4559 | ||
ff884430 VC |
4560 | /* Process any deferred work. */ |
4561 | if (!list_empty(&ha->work_list)) | |
4562 | start_dpc++; | |
4563 | ||
afaf5a2d | 4564 | /* Wakeup the dpc routine for this adapter, if needed. */ |
1b46807e | 4565 | if (start_dpc || |
afaf5a2d DS |
4566 | test_bit(DPC_RESET_HA, &ha->dpc_flags) || |
4567 | test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags) || | |
4568 | test_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags) || | |
f4f5df23 | 4569 | test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) || |
afaf5a2d DS |
4570 | test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || |
4571 | test_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags) || | |
065aa1b4 | 4572 | test_bit(DPC_LINK_CHANGED, &ha->dpc_flags) || |
f4f5df23 VC |
4573 | test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) || |
4574 | test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) || | |
906cbf3d | 4575 | test_bit(DPC_SYSFS_DDB_EXPORT, &ha->dpc_flags) || |
1b46807e | 4576 | test_bit(DPC_AEN, &ha->dpc_flags)) { |
afaf5a2d DS |
4577 | DEBUG2(printk("scsi%ld: %s: scheduling dpc routine" |
4578 | " - dpc flags = 0x%lx\n", | |
4579 | ha->host_no, __func__, ha->dpc_flags)); | |
f4f5df23 | 4580 | qla4xxx_wake_dpc(ha); |
afaf5a2d DS |
4581 | } |
4582 | ||
4583 | /* Reschedule timer thread to call us back in one second */ | |
4584 | mod_timer(&ha->timer, jiffies + HZ); | |
4585 | ||
4586 | DEBUG2(ha->seconds_since_last_intr++); | |
4587 | } | |
4588 | ||
4589 | /** | |
4590 | * qla4xxx_cmd_wait - waits for all outstanding commands to complete | |
4591 | * @ha: Pointer to host adapter structure. | |
4592 | * | |
4593 | * This routine stalls the driver until all outstanding commands are returned. | |
4594 | * Caller must release the Hardware Lock prior to calling this routine. | |
4595 | **/ | |
4596 | static int qla4xxx_cmd_wait(struct scsi_qla_host *ha) | |
4597 | { | |
4598 | uint32_t index = 0; | |
afaf5a2d DS |
4599 | unsigned long flags; |
4600 | struct scsi_cmnd *cmd; | |
61d9a2b6 TP |
4601 | unsigned long wtime; |
4602 | uint32_t wtmo; | |
afaf5a2d | 4603 | |
61d9a2b6 TP |
4604 | if (is_qla40XX(ha)) |
4605 | wtmo = WAIT_CMD_TOV; | |
4606 | else | |
4607 | wtmo = ha->nx_reset_timeout / 2; | |
4608 | ||
4609 | wtime = jiffies + (wtmo * HZ); | |
f4f5df23 | 4610 | |
61d9a2b6 TP |
4611 | DEBUG2(ql4_printk(KERN_INFO, ha, |
4612 | "Wait up to %u seconds for cmds to complete\n", | |
4613 | wtmo)); | |
f4f5df23 VC |
4614 | |
4615 | while (!time_after_eq(jiffies, wtime)) { | |
afaf5a2d DS |
4616 | spin_lock_irqsave(&ha->hardware_lock, flags); |
4617 | /* Find a command that hasn't completed. */ | |
4618 | for (index = 0; index < ha->host->can_queue; index++) { | |
4619 | cmd = scsi_host_find_tag(ha->host, index); | |
a1e0063d MC |
4620 | /* |
4621 | * We cannot just check if the index is valid, | |
4622 | * becase if we are run from the scsi eh, then | |
4623 | * the scsi/block layer is going to prevent | |
4624 | * the tag from being released. | |
4625 | */ | |
4626 | if (cmd != NULL && CMD_SP(cmd)) | |
afaf5a2d DS |
4627 | break; |
4628 | } | |
4629 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
4630 | ||
4631 | /* If No Commands are pending, wait is complete */ | |
f4f5df23 VC |
4632 | if (index == ha->host->can_queue) |
4633 | return QLA_SUCCESS; | |
afaf5a2d | 4634 | |
f4f5df23 VC |
4635 | msleep(1000); |
4636 | } | |
4637 | /* If we timed out on waiting for commands to come back | |
4638 | * return ERROR. */ | |
4639 | return QLA_ERROR; | |
afaf5a2d DS |
4640 | } |
4641 | ||
f4f5df23 | 4642 | int qla4xxx_hw_reset(struct scsi_qla_host *ha) |
afaf5a2d | 4643 | { |
afaf5a2d | 4644 | uint32_t ctrl_status; |
477ffb9d DS |
4645 | unsigned long flags = 0; |
4646 | ||
4647 | DEBUG2(printk(KERN_ERR "scsi%ld: %s\n", ha->host_no, __func__)); | |
afaf5a2d | 4648 | |
f4f5df23 VC |
4649 | if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS) |
4650 | return QLA_ERROR; | |
4651 | ||
afaf5a2d DS |
4652 | spin_lock_irqsave(&ha->hardware_lock, flags); |
4653 | ||
4654 | /* | |
4655 | * If the SCSI Reset Interrupt bit is set, clear it. | |
4656 | * Otherwise, the Soft Reset won't work. | |
4657 | */ | |
4658 | ctrl_status = readw(&ha->reg->ctrl_status); | |
4659 | if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0) | |
4660 | writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status); | |
4661 | ||
4662 | /* Issue Soft Reset */ | |
4663 | writel(set_rmask(CSR_SOFT_RESET), &ha->reg->ctrl_status); | |
4664 | readl(&ha->reg->ctrl_status); | |
4665 | ||
4666 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
f4f5df23 | 4667 | return QLA_SUCCESS; |
477ffb9d DS |
4668 | } |
4669 | ||
4670 | /** | |
4671 | * qla4xxx_soft_reset - performs soft reset. | |
4672 | * @ha: Pointer to host adapter structure. | |
4673 | **/ | |
4674 | int qla4xxx_soft_reset(struct scsi_qla_host *ha) | |
4675 | { | |
4676 | uint32_t max_wait_time; | |
4677 | unsigned long flags = 0; | |
f931c534 | 4678 | int status; |
477ffb9d DS |
4679 | uint32_t ctrl_status; |
4680 | ||
f931c534 VC |
4681 | status = qla4xxx_hw_reset(ha); |
4682 | if (status != QLA_SUCCESS) | |
4683 | return status; | |
afaf5a2d | 4684 | |
f931c534 | 4685 | status = QLA_ERROR; |
afaf5a2d DS |
4686 | /* Wait until the Network Reset Intr bit is cleared */ |
4687 | max_wait_time = RESET_INTR_TOV; | |
4688 | do { | |
4689 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
4690 | ctrl_status = readw(&ha->reg->ctrl_status); | |
4691 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
4692 | ||
4693 | if ((ctrl_status & CSR_NET_RESET_INTR) == 0) | |
4694 | break; | |
4695 | ||
4696 | msleep(1000); | |
4697 | } while ((--max_wait_time)); | |
4698 | ||
4699 | if ((ctrl_status & CSR_NET_RESET_INTR) != 0) { | |
4700 | DEBUG2(printk(KERN_WARNING | |
4701 | "scsi%ld: Network Reset Intr not cleared by " | |
4702 | "Network function, clearing it now!\n", | |
4703 | ha->host_no)); | |
4704 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
4705 | writel(set_rmask(CSR_NET_RESET_INTR), &ha->reg->ctrl_status); | |
4706 | readl(&ha->reg->ctrl_status); | |
4707 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
4708 | } | |
4709 | ||
4710 | /* Wait until the firmware tells us the Soft Reset is done */ | |
4711 | max_wait_time = SOFT_RESET_TOV; | |
4712 | do { | |
4713 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
4714 | ctrl_status = readw(&ha->reg->ctrl_status); | |
4715 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
4716 | ||
4717 | if ((ctrl_status & CSR_SOFT_RESET) == 0) { | |
4718 | status = QLA_SUCCESS; | |
4719 | break; | |
4720 | } | |
4721 | ||
4722 | msleep(1000); | |
4723 | } while ((--max_wait_time)); | |
4724 | ||
4725 | /* | |
4726 | * Also, make sure that the SCSI Reset Interrupt bit has been cleared | |
4727 | * after the soft reset has taken place. | |
4728 | */ | |
4729 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
4730 | ctrl_status = readw(&ha->reg->ctrl_status); | |
4731 | if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0) { | |
4732 | writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status); | |
4733 | readl(&ha->reg->ctrl_status); | |
4734 | } | |
4735 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
4736 | ||
4737 | /* If soft reset fails then most probably the bios on other | |
4738 | * function is also enabled. | |
4739 | * Since the initialization is sequential the other fn | |
4740 | * wont be able to acknowledge the soft reset. | |
4741 | * Issue a force soft reset to workaround this scenario. | |
4742 | */ | |
4743 | if (max_wait_time == 0) { | |
4744 | /* Issue Force Soft Reset */ | |
4745 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
4746 | writel(set_rmask(CSR_FORCE_SOFT_RESET), &ha->reg->ctrl_status); | |
4747 | readl(&ha->reg->ctrl_status); | |
4748 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
4749 | /* Wait until the firmware tells us the Soft Reset is done */ | |
4750 | max_wait_time = SOFT_RESET_TOV; | |
4751 | do { | |
4752 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
4753 | ctrl_status = readw(&ha->reg->ctrl_status); | |
4754 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
4755 | ||
4756 | if ((ctrl_status & CSR_FORCE_SOFT_RESET) == 0) { | |
4757 | status = QLA_SUCCESS; | |
4758 | break; | |
4759 | } | |
4760 | ||
4761 | msleep(1000); | |
4762 | } while ((--max_wait_time)); | |
4763 | } | |
4764 | ||
4765 | return status; | |
4766 | } | |
4767 | ||
afaf5a2d | 4768 | /** |
f4f5df23 | 4769 | * qla4xxx_abort_active_cmds - returns all outstanding i/o requests to O.S. |
afaf5a2d | 4770 | * @ha: Pointer to host adapter structure. |
f4f5df23 | 4771 | * @res: returned scsi status |
afaf5a2d DS |
4772 | * |
4773 | * This routine is called just prior to a HARD RESET to return all | |
4774 | * outstanding commands back to the Operating System. | |
4775 | * Caller should make sure that the following locks are released | |
4776 | * before this calling routine: Hardware lock, and io_request_lock. | |
4777 | **/ | |
f4f5df23 | 4778 | static void qla4xxx_abort_active_cmds(struct scsi_qla_host *ha, int res) |
afaf5a2d DS |
4779 | { |
4780 | struct srb *srb; | |
4781 | int i; | |
4782 | unsigned long flags; | |
4783 | ||
4784 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
4785 | for (i = 0; i < ha->host->can_queue; i++) { | |
4786 | srb = qla4xxx_del_from_active_array(ha, i); | |
4787 | if (srb != NULL) { | |
f4f5df23 | 4788 | srb->cmd->result = res; |
09a0f719 | 4789 | kref_put(&srb->srb_ref, qla4xxx_srb_compl); |
afaf5a2d DS |
4790 | } |
4791 | } | |
4792 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
afaf5a2d DS |
4793 | } |
4794 | ||
f4f5df23 VC |
4795 | void qla4xxx_dead_adapter_cleanup(struct scsi_qla_host *ha) |
4796 | { | |
4797 | clear_bit(AF_ONLINE, &ha->flags); | |
4798 | ||
4799 | /* Disable the board */ | |
4800 | ql4_printk(KERN_INFO, ha, "Disabling the board\n"); | |
f4f5df23 VC |
4801 | |
4802 | qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); | |
4803 | qla4xxx_mark_all_devices_missing(ha); | |
4804 | clear_bit(AF_INIT_DONE, &ha->flags); | |
4805 | } | |
4806 | ||
b3a271a9 MR |
4807 | static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session) |
4808 | { | |
4809 | struct iscsi_session *sess; | |
4810 | struct ddb_entry *ddb_entry; | |
4811 | ||
4812 | sess = cls_session->dd_data; | |
4813 | ddb_entry = sess->dd_data; | |
4814 | ddb_entry->fw_ddb_device_state = DDB_DS_SESSION_FAILED; | |
13483730 MC |
4815 | |
4816 | if (ddb_entry->ddb_type == FLASH_DDB) | |
4817 | iscsi_block_session(ddb_entry->sess); | |
4818 | else | |
4819 | iscsi_session_failure(cls_session->dd_data, | |
4820 | ISCSI_ERR_CONN_FAILED); | |
b3a271a9 MR |
4821 | } |
4822 | ||
afaf5a2d DS |
4823 | /** |
4824 | * qla4xxx_recover_adapter - recovers adapter after a fatal error | |
4825 | * @ha: Pointer to host adapter structure. | |
afaf5a2d | 4826 | **/ |
f4f5df23 | 4827 | static int qla4xxx_recover_adapter(struct scsi_qla_host *ha) |
afaf5a2d | 4828 | { |
f4f5df23 VC |
4829 | int status = QLA_ERROR; |
4830 | uint8_t reset_chip = 0; | |
8e0f3a66 | 4831 | uint32_t dev_state; |
9ee91a38 | 4832 | unsigned long wait; |
afaf5a2d DS |
4833 | |
4834 | /* Stall incoming I/O until we are done */ | |
f4f5df23 | 4835 | scsi_block_requests(ha->host); |
afaf5a2d | 4836 | clear_bit(AF_ONLINE, &ha->flags); |
b3a271a9 | 4837 | clear_bit(AF_LINK_UP, &ha->flags); |
50a29aec | 4838 | |
f4f5df23 | 4839 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: adapter OFFLINE\n", __func__)); |
afaf5a2d | 4840 | |
f4f5df23 | 4841 | set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); |
afaf5a2d | 4842 | |
b37ca418 | 4843 | if ((is_qla8032(ha) || is_qla8042(ha)) && |
546fef27 TP |
4844 | !test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) { |
4845 | ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n", | |
4846 | __func__); | |
4847 | /* disable pause frame for ISP83xx */ | |
4848 | qla4_83xx_disable_pause(ha); | |
4849 | } | |
4850 | ||
b3a271a9 MR |
4851 | iscsi_host_for_each_session(ha->host, qla4xxx_fail_session); |
4852 | ||
f4f5df23 VC |
4853 | if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) |
4854 | reset_chip = 1; | |
afaf5a2d | 4855 | |
f4f5df23 VC |
4856 | /* For the DPC_RESET_HA_INTR case (ISP-4xxx specific) |
4857 | * do not reset adapter, jump to initialize_adapter */ | |
4858 | if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { | |
4859 | status = QLA_SUCCESS; | |
4860 | goto recover_ha_init_adapter; | |
4861 | } | |
afaf5a2d | 4862 | |
6e7b4292 | 4863 | /* For the ISP-8xxx adapter, issue a stop_firmware if invoked |
f4f5df23 | 4864 | * from eh_host_reset or ioctl module */ |
6e7b4292 | 4865 | if (is_qla80XX(ha) && !reset_chip && |
f4f5df23 VC |
4866 | test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) { |
4867 | ||
4868 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
4869 | "scsi%ld: %s - Performing stop_firmware...\n", | |
4870 | ha->host_no, __func__)); | |
4871 | status = ha->isp_ops->reset_firmware(ha); | |
4872 | if (status == QLA_SUCCESS) { | |
f4f5df23 VC |
4873 | ha->isp_ops->disable_intrs(ha); |
4874 | qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); | |
4875 | qla4xxx_abort_active_cmds(ha, DID_RESET << 16); | |
4876 | } else { | |
4877 | /* If the stop_firmware fails then | |
4878 | * reset the entire chip */ | |
4879 | reset_chip = 1; | |
4880 | clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); | |
4881 | set_bit(DPC_RESET_HA, &ha->dpc_flags); | |
4882 | } | |
4883 | } | |
dca05c4c | 4884 | |
f4f5df23 | 4885 | /* Issue full chip reset if recovering from a catastrophic error, |
6e7b4292 | 4886 | * or if stop_firmware fails for ISP-8xxx. |
f4f5df23 | 4887 | * This is the default case for ISP-4xxx */ |
ee996a69 VC |
4888 | if (is_qla40XX(ha) || reset_chip) { |
4889 | if (is_qla40XX(ha)) | |
9ee91a38 SS |
4890 | goto chip_reset; |
4891 | ||
6e7b4292 | 4892 | /* Check if 8XXX firmware is alive or not |
9ee91a38 SS |
4893 | * We may have arrived here from NEED_RESET |
4894 | * detection only */ | |
4895 | if (test_bit(AF_FW_RECOVERY, &ha->flags)) | |
4896 | goto chip_reset; | |
4897 | ||
4898 | wait = jiffies + (FW_ALIVE_WAIT_TOV * HZ); | |
4899 | while (time_before(jiffies, wait)) { | |
4900 | if (qla4_8xxx_check_fw_alive(ha)) { | |
4901 | qla4xxx_mailbox_premature_completion(ha); | |
4902 | break; | |
4903 | } | |
4904 | ||
4905 | set_current_state(TASK_UNINTERRUPTIBLE); | |
4906 | schedule_timeout(HZ); | |
4907 | } | |
da106212 | 4908 | chip_reset: |
2bd1e2be NJ |
4909 | if (!test_bit(AF_FW_RECOVERY, &ha->flags)) |
4910 | qla4xxx_cmd_wait(ha); | |
da106212 | 4911 | |
f4f5df23 | 4912 | qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); |
f4f5df23 VC |
4913 | DEBUG2(ql4_printk(KERN_INFO, ha, |
4914 | "scsi%ld: %s - Performing chip reset..\n", | |
4915 | ha->host_no, __func__)); | |
4916 | status = ha->isp_ops->reset_chip(ha); | |
61d9a2b6 | 4917 | qla4xxx_abort_active_cmds(ha, DID_RESET << 16); |
f4f5df23 | 4918 | } |
afaf5a2d DS |
4919 | |
4920 | /* Flush any pending ddb changed AENs */ | |
4921 | qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); | |
4922 | ||
f4f5df23 VC |
4923 | recover_ha_init_adapter: |
4924 | /* Upon successful firmware/chip reset, re-initialize the adapter */ | |
afaf5a2d | 4925 | if (status == QLA_SUCCESS) { |
f4f5df23 VC |
4926 | /* For ISP-4xxx, force function 1 to always initialize |
4927 | * before function 3 to prevent both funcions from | |
4928 | * stepping on top of the other */ | |
ee996a69 | 4929 | if (is_qla40XX(ha) && (ha->mac_index == 3)) |
f4f5df23 VC |
4930 | ssleep(6); |
4931 | ||
4932 | /* NOTE: AF_ONLINE flag set upon successful completion of | |
37418cc6 | 4933 | * qla4xxx_initialize_adapter */ |
13483730 | 4934 | status = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); |
37418cc6 NJ |
4935 | if (is_qla80XX(ha) && (status == QLA_ERROR)) { |
4936 | status = qla4_8xxx_check_init_adapter_retry(ha); | |
4937 | if (status == QLA_ERROR) { | |
4938 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Don't retry recover adapter\n", | |
4939 | ha->host_no, __func__); | |
4940 | qla4xxx_dead_adapter_cleanup(ha); | |
4941 | clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); | |
4942 | clear_bit(DPC_RESET_HA, &ha->dpc_flags); | |
4943 | clear_bit(DPC_RESET_HA_FW_CONTEXT, | |
4944 | &ha->dpc_flags); | |
4945 | goto exit_recover; | |
4946 | } | |
4947 | } | |
afaf5a2d DS |
4948 | } |
4949 | ||
f4f5df23 VC |
4950 | /* Retry failed adapter initialization, if necessary |
4951 | * Do not retry initialize_adapter for RESET_HA_INTR (ISP-4xxx specific) | |
4952 | * case to prevent ping-pong resets between functions */ | |
4953 | if (!test_bit(AF_ONLINE, &ha->flags) && | |
4954 | !test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { | |
afaf5a2d | 4955 | /* Adapter initialization failed, see if we can retry |
f4f5df23 VC |
4956 | * resetting the ha. |
4957 | * Since we don't want to block the DPC for too long | |
4958 | * with multiple resets in the same thread, | |
4959 | * utilize DPC to retry */ | |
6e7b4292 | 4960 | if (is_qla80XX(ha)) { |
33693c7a VC |
4961 | ha->isp_ops->idc_lock(ha); |
4962 | dev_state = qla4_8xxx_rd_direct(ha, | |
4963 | QLA8XXX_CRB_DEV_STATE); | |
4964 | ha->isp_ops->idc_unlock(ha); | |
de8c72da | 4965 | if (dev_state == QLA8XXX_DEV_FAILED) { |
8e0f3a66 SR |
4966 | ql4_printk(KERN_INFO, ha, "%s: don't retry " |
4967 | "recover adapter. H/W is in Failed " | |
4968 | "state\n", __func__); | |
4969 | qla4xxx_dead_adapter_cleanup(ha); | |
4970 | clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); | |
4971 | clear_bit(DPC_RESET_HA, &ha->dpc_flags); | |
4972 | clear_bit(DPC_RESET_HA_FW_CONTEXT, | |
4973 | &ha->dpc_flags); | |
4974 | status = QLA_ERROR; | |
4975 | ||
4976 | goto exit_recover; | |
4977 | } | |
4978 | } | |
4979 | ||
afaf5a2d DS |
4980 | if (!test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags)) { |
4981 | ha->retry_reset_ha_cnt = MAX_RESET_HA_RETRIES; | |
4982 | DEBUG2(printk("scsi%ld: recover adapter - retrying " | |
4983 | "(%d) more times\n", ha->host_no, | |
4984 | ha->retry_reset_ha_cnt)); | |
4985 | set_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); | |
4986 | status = QLA_ERROR; | |
4987 | } else { | |
4988 | if (ha->retry_reset_ha_cnt > 0) { | |
4989 | /* Schedule another Reset HA--DPC will retry */ | |
4990 | ha->retry_reset_ha_cnt--; | |
4991 | DEBUG2(printk("scsi%ld: recover adapter - " | |
4992 | "retry remaining %d\n", | |
4993 | ha->host_no, | |
4994 | ha->retry_reset_ha_cnt)); | |
4995 | status = QLA_ERROR; | |
4996 | } | |
4997 | ||
4998 | if (ha->retry_reset_ha_cnt == 0) { | |
4999 | /* Recover adapter retries have been exhausted. | |
5000 | * Adapter DEAD */ | |
5001 | DEBUG2(printk("scsi%ld: recover adapter " | |
5002 | "failed - board disabled\n", | |
5003 | ha->host_no)); | |
f4f5df23 | 5004 | qla4xxx_dead_adapter_cleanup(ha); |
afaf5a2d DS |
5005 | clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); |
5006 | clear_bit(DPC_RESET_HA, &ha->dpc_flags); | |
f4f5df23 | 5007 | clear_bit(DPC_RESET_HA_FW_CONTEXT, |
afaf5a2d DS |
5008 | &ha->dpc_flags); |
5009 | status = QLA_ERROR; | |
5010 | } | |
5011 | } | |
5012 | } else { | |
5013 | clear_bit(DPC_RESET_HA, &ha->dpc_flags); | |
f4f5df23 | 5014 | clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); |
afaf5a2d DS |
5015 | clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); |
5016 | } | |
5017 | ||
8e0f3a66 | 5018 | exit_recover: |
afaf5a2d DS |
5019 | ha->adapter_error_count++; |
5020 | ||
f4f5df23 VC |
5021 | if (test_bit(AF_ONLINE, &ha->flags)) |
5022 | ha->isp_ops->enable_intrs(ha); | |
5023 | ||
5024 | scsi_unblock_requests(ha->host); | |
5025 | ||
5026 | clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); | |
5027 | DEBUG2(printk("scsi%ld: recover adapter: %s\n", ha->host_no, | |
25985edc | 5028 | status == QLA_ERROR ? "FAILED" : "SUCCEEDED")); |
afaf5a2d | 5029 | |
afaf5a2d DS |
5030 | return status; |
5031 | } | |
5032 | ||
b3a271a9 | 5033 | static void qla4xxx_relogin_devices(struct iscsi_cls_session *cls_session) |
2d7924e6 | 5034 | { |
b3a271a9 MR |
5035 | struct iscsi_session *sess; |
5036 | struct ddb_entry *ddb_entry; | |
5037 | struct scsi_qla_host *ha; | |
2d7924e6 | 5038 | |
b3a271a9 MR |
5039 | sess = cls_session->dd_data; |
5040 | ddb_entry = sess->dd_data; | |
5041 | ha = ddb_entry->ha; | |
5042 | if (!iscsi_is_session_online(cls_session)) { | |
5043 | if (ddb_entry->fw_ddb_device_state == DDB_DS_SESSION_ACTIVE) { | |
5044 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" | |
5045 | " unblock session\n", ha->host_no, __func__, | |
5046 | ddb_entry->fw_ddb_index); | |
5047 | iscsi_unblock_session(ddb_entry->sess); | |
5048 | } else { | |
5049 | /* Trigger relogin */ | |
13483730 | 5050 | if (ddb_entry->ddb_type == FLASH_DDB) { |
99c6a33b AC |
5051 | if (!(test_bit(DF_RELOGIN, &ddb_entry->flags) || |
5052 | test_bit(DF_DISABLE_RELOGIN, | |
5053 | &ddb_entry->flags))) | |
13483730 MC |
5054 | qla4xxx_arm_relogin_timer(ddb_entry); |
5055 | } else | |
5056 | iscsi_session_failure(cls_session->dd_data, | |
5057 | ISCSI_ERR_CONN_FAILED); | |
2d7924e6 VC |
5058 | } |
5059 | } | |
5060 | } | |
5061 | ||
13483730 MC |
5062 | int qla4xxx_unblock_flash_ddb(struct iscsi_cls_session *cls_session) |
5063 | { | |
5064 | struct iscsi_session *sess; | |
5065 | struct ddb_entry *ddb_entry; | |
5066 | struct scsi_qla_host *ha; | |
5067 | ||
5068 | sess = cls_session->dd_data; | |
5069 | ddb_entry = sess->dd_data; | |
5070 | ha = ddb_entry->ha; | |
5071 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" | |
5072 | " unblock session\n", ha->host_no, __func__, | |
5073 | ddb_entry->fw_ddb_index); | |
5074 | ||
5075 | iscsi_unblock_session(ddb_entry->sess); | |
5076 | ||
5077 | /* Start scan target */ | |
5078 | if (test_bit(AF_ONLINE, &ha->flags)) { | |
5079 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" | |
5080 | " start scan\n", ha->host_no, __func__, | |
5081 | ddb_entry->fw_ddb_index); | |
5082 | scsi_queue_work(ha->host, &ddb_entry->sess->scan_work); | |
5083 | } | |
5084 | return QLA_SUCCESS; | |
5085 | } | |
5086 | ||
5087 | int qla4xxx_unblock_ddb(struct iscsi_cls_session *cls_session) | |
5088 | { | |
5089 | struct iscsi_session *sess; | |
5090 | struct ddb_entry *ddb_entry; | |
5091 | struct scsi_qla_host *ha; | |
80c53e64 | 5092 | int status = QLA_SUCCESS; |
13483730 MC |
5093 | |
5094 | sess = cls_session->dd_data; | |
5095 | ddb_entry = sess->dd_data; | |
5096 | ha = ddb_entry->ha; | |
5097 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" | |
5098 | " unblock user space session\n", ha->host_no, __func__, | |
5099 | ddb_entry->fw_ddb_index); | |
13483730 | 5100 | |
80c53e64 MR |
5101 | if (!iscsi_is_session_online(cls_session)) { |
5102 | iscsi_conn_start(ddb_entry->conn); | |
5103 | iscsi_conn_login_event(ddb_entry->conn, | |
5104 | ISCSI_CONN_STATE_LOGGED_IN); | |
5105 | } else { | |
5106 | ql4_printk(KERN_INFO, ha, | |
5107 | "scsi%ld: %s: ddb[%d] session [%d] already logged in\n", | |
5108 | ha->host_no, __func__, ddb_entry->fw_ddb_index, | |
5109 | cls_session->sid); | |
5110 | status = QLA_ERROR; | |
5111 | } | |
5112 | ||
5113 | return status; | |
13483730 MC |
5114 | } |
5115 | ||
b3a271a9 MR |
5116 | static void qla4xxx_relogin_all_devices(struct scsi_qla_host *ha) |
5117 | { | |
5118 | iscsi_host_for_each_session(ha->host, qla4xxx_relogin_devices); | |
5119 | } | |
5120 | ||
13483730 MC |
5121 | static void qla4xxx_relogin_flash_ddb(struct iscsi_cls_session *cls_sess) |
5122 | { | |
5123 | uint16_t relogin_timer; | |
5124 | struct iscsi_session *sess; | |
5125 | struct ddb_entry *ddb_entry; | |
5126 | struct scsi_qla_host *ha; | |
5127 | ||
5128 | sess = cls_sess->dd_data; | |
5129 | ddb_entry = sess->dd_data; | |
5130 | ha = ddb_entry->ha; | |
5131 | ||
5132 | relogin_timer = max(ddb_entry->default_relogin_timeout, | |
5133 | (uint16_t)RELOGIN_TOV); | |
5134 | atomic_set(&ddb_entry->relogin_timer, relogin_timer); | |
5135 | ||
5136 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
5137 | "scsi%ld: Relogin index [%d]. TOV=%d\n", ha->host_no, | |
5138 | ddb_entry->fw_ddb_index, relogin_timer)); | |
5139 | ||
5140 | qla4xxx_login_flash_ddb(cls_sess); | |
5141 | } | |
5142 | ||
5143 | static void qla4xxx_dpc_relogin(struct iscsi_cls_session *cls_sess) | |
5144 | { | |
5145 | struct iscsi_session *sess; | |
5146 | struct ddb_entry *ddb_entry; | |
5147 | struct scsi_qla_host *ha; | |
5148 | ||
5149 | sess = cls_sess->dd_data; | |
5150 | ddb_entry = sess->dd_data; | |
5151 | ha = ddb_entry->ha; | |
5152 | ||
5153 | if (!(ddb_entry->ddb_type == FLASH_DDB)) | |
5154 | return; | |
5155 | ||
99c6a33b AC |
5156 | if (test_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags)) |
5157 | return; | |
5158 | ||
13483730 MC |
5159 | if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags) && |
5160 | !iscsi_is_session_online(cls_sess)) { | |
5161 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
5162 | "relogin issued\n")); | |
5163 | qla4xxx_relogin_flash_ddb(cls_sess); | |
5164 | } | |
5165 | } | |
5166 | ||
f4f5df23 VC |
5167 | void qla4xxx_wake_dpc(struct scsi_qla_host *ha) |
5168 | { | |
1b46807e | 5169 | if (ha->dpc_thread) |
f4f5df23 | 5170 | queue_work(ha->dpc_thread, &ha->dpc_work); |
f4f5df23 VC |
5171 | } |
5172 | ||
ff884430 VC |
5173 | static struct qla4_work_evt * |
5174 | qla4xxx_alloc_work(struct scsi_qla_host *ha, uint32_t data_size, | |
5175 | enum qla4_work_type type) | |
5176 | { | |
5177 | struct qla4_work_evt *e; | |
5178 | uint32_t size = sizeof(struct qla4_work_evt) + data_size; | |
5179 | ||
5180 | e = kzalloc(size, GFP_ATOMIC); | |
5181 | if (!e) | |
5182 | return NULL; | |
5183 | ||
5184 | INIT_LIST_HEAD(&e->list); | |
5185 | e->type = type; | |
5186 | return e; | |
5187 | } | |
5188 | ||
5189 | static void qla4xxx_post_work(struct scsi_qla_host *ha, | |
5190 | struct qla4_work_evt *e) | |
5191 | { | |
5192 | unsigned long flags; | |
5193 | ||
5194 | spin_lock_irqsave(&ha->work_lock, flags); | |
5195 | list_add_tail(&e->list, &ha->work_list); | |
5196 | spin_unlock_irqrestore(&ha->work_lock, flags); | |
5197 | qla4xxx_wake_dpc(ha); | |
5198 | } | |
5199 | ||
5200 | int qla4xxx_post_aen_work(struct scsi_qla_host *ha, | |
5201 | enum iscsi_host_event_code aen_code, | |
5202 | uint32_t data_size, uint8_t *data) | |
5203 | { | |
5204 | struct qla4_work_evt *e; | |
5205 | ||
5206 | e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_AEN); | |
5207 | if (!e) | |
5208 | return QLA_ERROR; | |
5209 | ||
5210 | e->u.aen.code = aen_code; | |
5211 | e->u.aen.data_size = data_size; | |
5212 | memcpy(e->u.aen.data, data, data_size); | |
5213 | ||
5214 | qla4xxx_post_work(ha, e); | |
5215 | ||
5216 | return QLA_SUCCESS; | |
5217 | } | |
5218 | ||
c0b9d3f7 VC |
5219 | int qla4xxx_post_ping_evt_work(struct scsi_qla_host *ha, |
5220 | uint32_t status, uint32_t pid, | |
5221 | uint32_t data_size, uint8_t *data) | |
5222 | { | |
5223 | struct qla4_work_evt *e; | |
5224 | ||
5225 | e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_PING_STATUS); | |
5226 | if (!e) | |
5227 | return QLA_ERROR; | |
5228 | ||
5229 | e->u.ping.status = status; | |
5230 | e->u.ping.pid = pid; | |
5231 | e->u.ping.data_size = data_size; | |
5232 | memcpy(e->u.ping.data, data, data_size); | |
5233 | ||
5234 | qla4xxx_post_work(ha, e); | |
5235 | ||
5236 | return QLA_SUCCESS; | |
5237 | } | |
5238 | ||
a7380a65 | 5239 | static void qla4xxx_do_work(struct scsi_qla_host *ha) |
ff884430 VC |
5240 | { |
5241 | struct qla4_work_evt *e, *tmp; | |
5242 | unsigned long flags; | |
5243 | LIST_HEAD(work); | |
5244 | ||
5245 | spin_lock_irqsave(&ha->work_lock, flags); | |
5246 | list_splice_init(&ha->work_list, &work); | |
5247 | spin_unlock_irqrestore(&ha->work_lock, flags); | |
5248 | ||
5249 | list_for_each_entry_safe(e, tmp, &work, list) { | |
5250 | list_del_init(&e->list); | |
5251 | ||
5252 | switch (e->type) { | |
5253 | case QLA4_EVENT_AEN: | |
5254 | iscsi_post_host_event(ha->host_no, | |
5255 | &qla4xxx_iscsi_transport, | |
5256 | e->u.aen.code, | |
5257 | e->u.aen.data_size, | |
5258 | e->u.aen.data); | |
5259 | break; | |
c0b9d3f7 VC |
5260 | case QLA4_EVENT_PING_STATUS: |
5261 | iscsi_ping_comp_event(ha->host_no, | |
5262 | &qla4xxx_iscsi_transport, | |
5263 | e->u.ping.status, | |
5264 | e->u.ping.pid, | |
5265 | e->u.ping.data_size, | |
5266 | e->u.ping.data); | |
5267 | break; | |
ff884430 VC |
5268 | default: |
5269 | ql4_printk(KERN_WARNING, ha, "event type: 0x%x not " | |
5270 | "supported", e->type); | |
5271 | } | |
5272 | kfree(e); | |
5273 | } | |
5274 | } | |
5275 | ||
afaf5a2d DS |
5276 | /** |
5277 | * qla4xxx_do_dpc - dpc routine | |
5278 | * @data: in our case pointer to adapter structure | |
5279 | * | |
5280 | * This routine is a task that is schedule by the interrupt handler | |
5281 | * to perform the background processing for interrupts. We put it | |
5282 | * on a task queue that is consumed whenever the scheduler runs; that's | |
5283 | * so you can do anything (i.e. put the process to sleep etc). In fact, | |
5284 | * the mid-level tries to sleep when it reaches the driver threshold | |
5285 | * "host->can_queue". This can cause a panic if we were in our interrupt code. | |
5286 | **/ | |
c4028958 | 5287 | static void qla4xxx_do_dpc(struct work_struct *work) |
afaf5a2d | 5288 | { |
c4028958 DH |
5289 | struct scsi_qla_host *ha = |
5290 | container_of(work, struct scsi_qla_host, dpc_work); | |
477ffb9d | 5291 | int status = QLA_ERROR; |
afaf5a2d | 5292 | |
a7e5688d VC |
5293 | DEBUG2(ql4_printk(KERN_INFO, ha, |
5294 | "scsi%ld: %s: DPC handler waking up. flags = 0x%08lx, dpc_flags = 0x%08lx\n", | |
5295 | ha->host_no, __func__, ha->flags, ha->dpc_flags)); | |
afaf5a2d DS |
5296 | |
5297 | /* Initialization not yet finished. Don't do anything yet. */ | |
5298 | if (!test_bit(AF_INIT_DONE, &ha->flags)) | |
1b46807e | 5299 | return; |
afaf5a2d | 5300 | |
2232be0d LC |
5301 | if (test_bit(AF_EEH_BUSY, &ha->flags)) { |
5302 | DEBUG2(printk(KERN_INFO "scsi%ld: %s: flags = %lx\n", | |
5303 | ha->host_no, __func__, ha->flags)); | |
1b46807e | 5304 | return; |
2232be0d LC |
5305 | } |
5306 | ||
ff884430 VC |
5307 | /* post events to application */ |
5308 | qla4xxx_do_work(ha); | |
5309 | ||
6e7b4292 | 5310 | if (is_qla80XX(ha)) { |
f4f5df23 | 5311 | if (test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags)) { |
b37ca418 | 5312 | if (is_qla8032(ha) || is_qla8042(ha)) { |
546fef27 TP |
5313 | ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n", |
5314 | __func__); | |
5315 | /* disable pause frame for ISP83xx */ | |
5316 | qla4_83xx_disable_pause(ha); | |
5317 | } | |
5318 | ||
33693c7a VC |
5319 | ha->isp_ops->idc_lock(ha); |
5320 | qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, | |
5321 | QLA8XXX_DEV_FAILED); | |
5322 | ha->isp_ops->idc_unlock(ha); | |
f4f5df23 VC |
5323 | ql4_printk(KERN_INFO, ha, "HW State: FAILED\n"); |
5324 | qla4_8xxx_device_state_handler(ha); | |
5325 | } | |
320a61de | 5326 | |
7ab284c9 NJ |
5327 | if (test_bit(DPC_POST_IDC_ACK, &ha->dpc_flags)) { |
5328 | if (is_qla8042(ha)) { | |
5329 | if (ha->idc_info.info2 & | |
5330 | ENABLE_INTERNAL_LOOPBACK) { | |
5331 | ql4_printk(KERN_INFO, ha, "%s: Disabling ACB\n", | |
5332 | __func__); | |
5333 | status = qla4_84xx_config_acb(ha, | |
5334 | ACB_CONFIG_DISABLE); | |
5335 | if (status != QLA_SUCCESS) { | |
5336 | ql4_printk(KERN_INFO, ha, "%s: ACB config failed\n", | |
5337 | __func__); | |
5338 | } | |
5339 | } | |
5340 | } | |
320a61de | 5341 | qla4_83xx_post_idc_ack(ha); |
7ab284c9 NJ |
5342 | clear_bit(DPC_POST_IDC_ACK, &ha->dpc_flags); |
5343 | } | |
5344 | ||
5345 | if (is_qla8042(ha) && | |
5346 | test_bit(DPC_RESTORE_ACB, &ha->dpc_flags)) { | |
5347 | ql4_printk(KERN_INFO, ha, "%s: Restoring ACB\n", | |
5348 | __func__); | |
5349 | if (qla4_84xx_config_acb(ha, ACB_CONFIG_SET) != | |
5350 | QLA_SUCCESS) { | |
5351 | ql4_printk(KERN_INFO, ha, "%s: ACB config failed ", | |
5352 | __func__); | |
5353 | } | |
5354 | clear_bit(DPC_RESTORE_ACB, &ha->dpc_flags); | |
5355 | } | |
320a61de | 5356 | |
f4f5df23 VC |
5357 | if (test_and_clear_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) { |
5358 | qla4_8xxx_need_qsnt_handler(ha); | |
5359 | } | |
5360 | } | |
5361 | ||
5362 | if (!test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) && | |
5363 | (test_bit(DPC_RESET_HA, &ha->dpc_flags) || | |
afaf5a2d | 5364 | test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || |
f4f5df23 | 5365 | test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags))) { |
6e7b4292 | 5366 | if ((is_qla8022(ha) && ql4xdontresethba) || |
b37ca418 VC |
5367 | ((is_qla8032(ha) || is_qla8042(ha)) && |
5368 | qla4_83xx_idc_dontreset(ha))) { | |
f4f5df23 VC |
5369 | DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n", |
5370 | ha->host_no, __func__)); | |
5371 | clear_bit(DPC_RESET_HA, &ha->dpc_flags); | |
5372 | clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags); | |
5373 | clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); | |
5374 | goto dpc_post_reset_ha; | |
5375 | } | |
5376 | if (test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) || | |
5377 | test_bit(DPC_RESET_HA, &ha->dpc_flags)) | |
5378 | qla4xxx_recover_adapter(ha); | |
afaf5a2d | 5379 | |
477ffb9d | 5380 | if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { |
afaf5a2d | 5381 | uint8_t wait_time = RESET_INTR_TOV; |
afaf5a2d | 5382 | |
afaf5a2d DS |
5383 | while ((readw(&ha->reg->ctrl_status) & |
5384 | (CSR_SOFT_RESET | CSR_FORCE_SOFT_RESET)) != 0) { | |
5385 | if (--wait_time == 0) | |
5386 | break; | |
afaf5a2d | 5387 | msleep(1000); |
afaf5a2d | 5388 | } |
afaf5a2d DS |
5389 | if (wait_time == 0) |
5390 | DEBUG2(printk("scsi%ld: %s: SR|FSR " | |
5391 | "bit not cleared-- resetting\n", | |
5392 | ha->host_no, __func__)); | |
f4f5df23 | 5393 | qla4xxx_abort_active_cmds(ha, DID_RESET << 16); |
477ffb9d DS |
5394 | if (ql4xxx_lock_drvr_wait(ha) == QLA_SUCCESS) { |
5395 | qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); | |
f4f5df23 | 5396 | status = qla4xxx_recover_adapter(ha); |
477ffb9d DS |
5397 | } |
5398 | clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags); | |
5399 | if (status == QLA_SUCCESS) | |
f4f5df23 | 5400 | ha->isp_ops->enable_intrs(ha); |
afaf5a2d DS |
5401 | } |
5402 | } | |
5403 | ||
f4f5df23 | 5404 | dpc_post_reset_ha: |
afaf5a2d DS |
5405 | /* ---- process AEN? --- */ |
5406 | if (test_and_clear_bit(DPC_AEN, &ha->dpc_flags)) | |
5407 | qla4xxx_process_aen(ha, PROCESS_ALL_AENS); | |
5408 | ||
5409 | /* ---- Get DHCP IP Address? --- */ | |
5410 | if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags)) | |
5411 | qla4xxx_get_dhcp_ip_address(ha); | |
5412 | ||
13483730 MC |
5413 | /* ---- relogin device? --- */ |
5414 | if (adapter_up(ha) && | |
5415 | test_and_clear_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags)) { | |
5416 | iscsi_host_for_each_session(ha->host, qla4xxx_dpc_relogin); | |
5417 | } | |
5418 | ||
065aa1b4 | 5419 | /* ---- link change? --- */ |
026fbd3a NJ |
5420 | if (!test_bit(AF_LOOPBACK, &ha->flags) && |
5421 | test_and_clear_bit(DPC_LINK_CHANGED, &ha->dpc_flags)) { | |
065aa1b4 VC |
5422 | if (!test_bit(AF_LINK_UP, &ha->flags)) { |
5423 | /* ---- link down? --- */ | |
2d7924e6 | 5424 | qla4xxx_mark_all_devices_missing(ha); |
065aa1b4 VC |
5425 | } else { |
5426 | /* ---- link up? --- * | |
5427 | * F/W will auto login to all devices ONLY ONCE after | |
5428 | * link up during driver initialization and runtime | |
5429 | * fatal error recovery. Therefore, the driver must | |
5430 | * manually relogin to devices when recovering from | |
5431 | * connection failures, logouts, expired KATO, etc. */ | |
13483730 MC |
5432 | if (test_and_clear_bit(AF_BUILD_DDB_LIST, &ha->flags)) { |
5433 | qla4xxx_build_ddb_list(ha, ha->is_reset); | |
5434 | iscsi_host_for_each_session(ha->host, | |
5435 | qla4xxx_login_flash_ddb); | |
5436 | } else | |
5437 | qla4xxx_relogin_all_devices(ha); | |
065aa1b4 VC |
5438 | } |
5439 | } | |
906cbf3d NJ |
5440 | if (test_and_clear_bit(DPC_SYSFS_DDB_EXPORT, &ha->dpc_flags)) { |
5441 | if (qla4xxx_sysfs_ddb_export(ha)) | |
5442 | ql4_printk(KERN_ERR, ha, "%s: Error exporting ddb to sysfs\n", | |
5443 | __func__); | |
5444 | } | |
afaf5a2d DS |
5445 | } |
5446 | ||
5447 | /** | |
5448 | * qla4xxx_free_adapter - release the adapter | |
5449 | * @ha: pointer to adapter structure | |
5450 | **/ | |
5451 | static void qla4xxx_free_adapter(struct scsi_qla_host *ha) | |
5452 | { | |
8a288960 | 5453 | qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); |
afaf5a2d | 5454 | |
5c19b92a VC |
5455 | /* Turn-off interrupts on the card. */ |
5456 | ha->isp_ops->disable_intrs(ha); | |
afaf5a2d | 5457 | |
d9e62e51 VC |
5458 | if (is_qla40XX(ha)) { |
5459 | writel(set_rmask(CSR_SCSI_PROCESSOR_INTR), | |
5460 | &ha->reg->ctrl_status); | |
5461 | readl(&ha->reg->ctrl_status); | |
5462 | } else if (is_qla8022(ha)) { | |
7664a1fd VC |
5463 | writel(0, &ha->qla4_82xx_reg->host_int); |
5464 | readl(&ha->qla4_82xx_reg->host_int); | |
b37ca418 | 5465 | } else if (is_qla8032(ha) || is_qla8042(ha)) { |
fbd8107c VC |
5466 | writel(0, &ha->qla4_83xx_reg->risc_intr); |
5467 | readl(&ha->qla4_83xx_reg->risc_intr); | |
d9e62e51 VC |
5468 | } |
5469 | ||
f4f5df23 VC |
5470 | /* Remove timer thread, if present */ |
5471 | if (ha->timer_active) | |
5472 | qla4xxx_stop_timer(ha); | |
5473 | ||
afaf5a2d DS |
5474 | /* Kill the kernel thread for this host */ |
5475 | if (ha->dpc_thread) | |
5476 | destroy_workqueue(ha->dpc_thread); | |
5477 | ||
b3a271a9 MR |
5478 | /* Kill the kernel thread for this host */ |
5479 | if (ha->task_wq) | |
5480 | destroy_workqueue(ha->task_wq); | |
5481 | ||
f4f5df23 VC |
5482 | /* Put firmware in known state */ |
5483 | ha->isp_ops->reset_firmware(ha); | |
afaf5a2d | 5484 | |
6e7b4292 | 5485 | if (is_qla80XX(ha)) { |
33693c7a | 5486 | ha->isp_ops->idc_lock(ha); |
f4f5df23 | 5487 | qla4_8xxx_clear_drv_active(ha); |
33693c7a | 5488 | ha->isp_ops->idc_unlock(ha); |
f4f5df23 | 5489 | } |
afaf5a2d | 5490 | |
afaf5a2d | 5491 | /* Detach interrupts */ |
5c19b92a | 5492 | qla4xxx_free_irqs(ha); |
afaf5a2d | 5493 | |
bee4fe8e DS |
5494 | /* free extra memory */ |
5495 | qla4xxx_mem_free(ha); | |
f4f5df23 VC |
5496 | } |
5497 | ||
5498 | int qla4_8xxx_iospace_config(struct scsi_qla_host *ha) | |
5499 | { | |
5500 | int status = 0; | |
f4f5df23 VC |
5501 | unsigned long mem_base, mem_len, db_base, db_len; |
5502 | struct pci_dev *pdev = ha->pdev; | |
5503 | ||
5504 | status = pci_request_regions(pdev, DRIVER_NAME); | |
5505 | if (status) { | |
5506 | printk(KERN_WARNING | |
5507 | "scsi(%ld) Failed to reserve PIO regions (%s) " | |
5508 | "status=%d\n", ha->host_no, pci_name(pdev), status); | |
5509 | goto iospace_error_exit; | |
5510 | } | |
5511 | ||
f4f5df23 | 5512 | DEBUG2(printk(KERN_INFO "%s: revision-id=%d\n", |
7d7311c4 SS |
5513 | __func__, pdev->revision)); |
5514 | ha->revision_id = pdev->revision; | |
bee4fe8e | 5515 | |
f4f5df23 VC |
5516 | /* remap phys address */ |
5517 | mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */ | |
5518 | mem_len = pci_resource_len(pdev, 0); | |
5519 | DEBUG2(printk(KERN_INFO "%s: ioremap from %lx a size of %lx\n", | |
5520 | __func__, mem_base, mem_len)); | |
afaf5a2d | 5521 | |
f4f5df23 VC |
5522 | /* mapping of pcibase pointer */ |
5523 | ha->nx_pcibase = (unsigned long)ioremap(mem_base, mem_len); | |
5524 | if (!ha->nx_pcibase) { | |
5525 | printk(KERN_ERR | |
5526 | "cannot remap MMIO (%s), aborting\n", pci_name(pdev)); | |
5527 | pci_release_regions(ha->pdev); | |
5528 | goto iospace_error_exit; | |
5529 | } | |
5530 | ||
5531 | /* Mapping of IO base pointer, door bell read and write pointer */ | |
5532 | ||
5533 | /* mapping of IO base pointer */ | |
6e7b4292 VC |
5534 | if (is_qla8022(ha)) { |
5535 | ha->qla4_82xx_reg = (struct device_reg_82xx __iomem *) | |
5536 | ((uint8_t *)ha->nx_pcibase + 0xbc000 + | |
5537 | (ha->pdev->devfn << 11)); | |
5538 | ha->nx_db_wr_ptr = (ha->pdev->devfn == 4 ? QLA82XX_CAM_RAM_DB1 : | |
5539 | QLA82XX_CAM_RAM_DB2); | |
b37ca418 | 5540 | } else if (is_qla8032(ha) || is_qla8042(ha)) { |
6e7b4292 VC |
5541 | ha->qla4_83xx_reg = (struct device_reg_83xx __iomem *) |
5542 | ((uint8_t *)ha->nx_pcibase); | |
5543 | } | |
f4f5df23 VC |
5544 | |
5545 | db_base = pci_resource_start(pdev, 4); /* doorbell is on bar 4 */ | |
5546 | db_len = pci_resource_len(pdev, 4); | |
5547 | ||
2657c800 | 5548 | return 0; |
f4f5df23 VC |
5549 | iospace_error_exit: |
5550 | return -ENOMEM; | |
afaf5a2d DS |
5551 | } |
5552 | ||
5553 | /*** | |
5554 | * qla4xxx_iospace_config - maps registers | |
5555 | * @ha: pointer to adapter structure | |
5556 | * | |
5557 | * This routines maps HBA's registers from the pci address space | |
5558 | * into the kernel virtual address space for memory mapped i/o. | |
5559 | **/ | |
f4f5df23 | 5560 | int qla4xxx_iospace_config(struct scsi_qla_host *ha) |
afaf5a2d DS |
5561 | { |
5562 | unsigned long pio, pio_len, pio_flags; | |
5563 | unsigned long mmio, mmio_len, mmio_flags; | |
5564 | ||
5565 | pio = pci_resource_start(ha->pdev, 0); | |
5566 | pio_len = pci_resource_len(ha->pdev, 0); | |
5567 | pio_flags = pci_resource_flags(ha->pdev, 0); | |
5568 | if (pio_flags & IORESOURCE_IO) { | |
5569 | if (pio_len < MIN_IOBASE_LEN) { | |
c2660df3 | 5570 | ql4_printk(KERN_WARNING, ha, |
afaf5a2d DS |
5571 | "Invalid PCI I/O region size\n"); |
5572 | pio = 0; | |
5573 | } | |
5574 | } else { | |
c2660df3 | 5575 | ql4_printk(KERN_WARNING, ha, "region #0 not a PIO resource\n"); |
afaf5a2d DS |
5576 | pio = 0; |
5577 | } | |
5578 | ||
5579 | /* Use MMIO operations for all accesses. */ | |
5580 | mmio = pci_resource_start(ha->pdev, 1); | |
5581 | mmio_len = pci_resource_len(ha->pdev, 1); | |
5582 | mmio_flags = pci_resource_flags(ha->pdev, 1); | |
5583 | ||
5584 | if (!(mmio_flags & IORESOURCE_MEM)) { | |
c2660df3 VC |
5585 | ql4_printk(KERN_ERR, ha, |
5586 | "region #0 not an MMIO resource, aborting\n"); | |
afaf5a2d DS |
5587 | |
5588 | goto iospace_error_exit; | |
5589 | } | |
c2660df3 | 5590 | |
afaf5a2d | 5591 | if (mmio_len < MIN_IOBASE_LEN) { |
c2660df3 VC |
5592 | ql4_printk(KERN_ERR, ha, |
5593 | "Invalid PCI mem region size, aborting\n"); | |
afaf5a2d DS |
5594 | goto iospace_error_exit; |
5595 | } | |
5596 | ||
5597 | if (pci_request_regions(ha->pdev, DRIVER_NAME)) { | |
c2660df3 VC |
5598 | ql4_printk(KERN_WARNING, ha, |
5599 | "Failed to reserve PIO/MMIO regions\n"); | |
afaf5a2d DS |
5600 | |
5601 | goto iospace_error_exit; | |
5602 | } | |
5603 | ||
5604 | ha->pio_address = pio; | |
5605 | ha->pio_length = pio_len; | |
5606 | ha->reg = ioremap(mmio, MIN_IOBASE_LEN); | |
5607 | if (!ha->reg) { | |
c2660df3 VC |
5608 | ql4_printk(KERN_ERR, ha, |
5609 | "cannot remap MMIO, aborting\n"); | |
afaf5a2d DS |
5610 | |
5611 | goto iospace_error_exit; | |
5612 | } | |
5613 | ||
5614 | return 0; | |
5615 | ||
5616 | iospace_error_exit: | |
5617 | return -ENOMEM; | |
5618 | } | |
5619 | ||
f4f5df23 VC |
5620 | static struct isp_operations qla4xxx_isp_ops = { |
5621 | .iospace_config = qla4xxx_iospace_config, | |
5622 | .pci_config = qla4xxx_pci_config, | |
5623 | .disable_intrs = qla4xxx_disable_intrs, | |
5624 | .enable_intrs = qla4xxx_enable_intrs, | |
5625 | .start_firmware = qla4xxx_start_firmware, | |
5626 | .intr_handler = qla4xxx_intr_handler, | |
5627 | .interrupt_service_routine = qla4xxx_interrupt_service_routine, | |
5628 | .reset_chip = qla4xxx_soft_reset, | |
5629 | .reset_firmware = qla4xxx_hw_reset, | |
5630 | .queue_iocb = qla4xxx_queue_iocb, | |
5631 | .complete_iocb = qla4xxx_complete_iocb, | |
5632 | .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out, | |
5633 | .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in, | |
5634 | .get_sys_info = qla4xxx_get_sys_info, | |
33693c7a VC |
5635 | .queue_mailbox_command = qla4xxx_queue_mbox_cmd, |
5636 | .process_mailbox_interrupt = qla4xxx_process_mbox_intr, | |
f4f5df23 VC |
5637 | }; |
5638 | ||
7664a1fd | 5639 | static struct isp_operations qla4_82xx_isp_ops = { |
f4f5df23 VC |
5640 | .iospace_config = qla4_8xxx_iospace_config, |
5641 | .pci_config = qla4_8xxx_pci_config, | |
f8086f4f VC |
5642 | .disable_intrs = qla4_82xx_disable_intrs, |
5643 | .enable_intrs = qla4_82xx_enable_intrs, | |
f4f5df23 | 5644 | .start_firmware = qla4_8xxx_load_risc, |
33693c7a | 5645 | .restart_firmware = qla4_82xx_try_start_fw, |
f8086f4f VC |
5646 | .intr_handler = qla4_82xx_intr_handler, |
5647 | .interrupt_service_routine = qla4_82xx_interrupt_service_routine, | |
33693c7a | 5648 | .need_reset = qla4_8xxx_need_reset, |
f8086f4f | 5649 | .reset_chip = qla4_82xx_isp_reset, |
f4f5df23 | 5650 | .reset_firmware = qla4_8xxx_stop_firmware, |
f8086f4f VC |
5651 | .queue_iocb = qla4_82xx_queue_iocb, |
5652 | .complete_iocb = qla4_82xx_complete_iocb, | |
5653 | .rd_shdw_req_q_out = qla4_82xx_rd_shdw_req_q_out, | |
5654 | .rd_shdw_rsp_q_in = qla4_82xx_rd_shdw_rsp_q_in, | |
f4f5df23 | 5655 | .get_sys_info = qla4_8xxx_get_sys_info, |
33693c7a VC |
5656 | .rd_reg_direct = qla4_82xx_rd_32, |
5657 | .wr_reg_direct = qla4_82xx_wr_32, | |
5658 | .rd_reg_indirect = qla4_82xx_md_rd_32, | |
5659 | .wr_reg_indirect = qla4_82xx_md_wr_32, | |
5660 | .idc_lock = qla4_82xx_idc_lock, | |
5661 | .idc_unlock = qla4_82xx_idc_unlock, | |
5662 | .rom_lock_recovery = qla4_82xx_rom_lock_recovery, | |
5663 | .queue_mailbox_command = qla4_82xx_queue_mbox_cmd, | |
5664 | .process_mailbox_interrupt = qla4_82xx_process_mbox_intr, | |
f4f5df23 VC |
5665 | }; |
5666 | ||
6e7b4292 VC |
5667 | static struct isp_operations qla4_83xx_isp_ops = { |
5668 | .iospace_config = qla4_8xxx_iospace_config, | |
5669 | .pci_config = qla4_8xxx_pci_config, | |
5670 | .disable_intrs = qla4_83xx_disable_intrs, | |
5671 | .enable_intrs = qla4_83xx_enable_intrs, | |
5672 | .start_firmware = qla4_8xxx_load_risc, | |
5673 | .restart_firmware = qla4_83xx_start_firmware, | |
5674 | .intr_handler = qla4_83xx_intr_handler, | |
5675 | .interrupt_service_routine = qla4_83xx_interrupt_service_routine, | |
5676 | .need_reset = qla4_8xxx_need_reset, | |
5677 | .reset_chip = qla4_83xx_isp_reset, | |
5678 | .reset_firmware = qla4_8xxx_stop_firmware, | |
5679 | .queue_iocb = qla4_83xx_queue_iocb, | |
5680 | .complete_iocb = qla4_83xx_complete_iocb, | |
a24058f9 TP |
5681 | .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out, |
5682 | .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in, | |
6e7b4292 VC |
5683 | .get_sys_info = qla4_8xxx_get_sys_info, |
5684 | .rd_reg_direct = qla4_83xx_rd_reg, | |
5685 | .wr_reg_direct = qla4_83xx_wr_reg, | |
5686 | .rd_reg_indirect = qla4_83xx_rd_reg_indirect, | |
5687 | .wr_reg_indirect = qla4_83xx_wr_reg_indirect, | |
5688 | .idc_lock = qla4_83xx_drv_lock, | |
5689 | .idc_unlock = qla4_83xx_drv_unlock, | |
5690 | .rom_lock_recovery = qla4_83xx_rom_lock_recovery, | |
5691 | .queue_mailbox_command = qla4_83xx_queue_mbox_cmd, | |
5692 | .process_mailbox_interrupt = qla4_83xx_process_mbox_intr, | |
f4f5df23 VC |
5693 | }; |
5694 | ||
5695 | uint16_t qla4xxx_rd_shdw_req_q_out(struct scsi_qla_host *ha) | |
5696 | { | |
5697 | return (uint16_t)le32_to_cpu(ha->shadow_regs->req_q_out); | |
5698 | } | |
5699 | ||
f8086f4f | 5700 | uint16_t qla4_82xx_rd_shdw_req_q_out(struct scsi_qla_host *ha) |
f4f5df23 | 5701 | { |
7664a1fd | 5702 | return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->req_q_out)); |
f4f5df23 VC |
5703 | } |
5704 | ||
5705 | uint16_t qla4xxx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha) | |
5706 | { | |
5707 | return (uint16_t)le32_to_cpu(ha->shadow_regs->rsp_q_in); | |
5708 | } | |
5709 | ||
f8086f4f | 5710 | uint16_t qla4_82xx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha) |
f4f5df23 | 5711 | { |
7664a1fd | 5712 | return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->rsp_q_in)); |
f4f5df23 VC |
5713 | } |
5714 | ||
2a991c21 MR |
5715 | static ssize_t qla4xxx_show_boot_eth_info(void *data, int type, char *buf) |
5716 | { | |
5717 | struct scsi_qla_host *ha = data; | |
5718 | char *str = buf; | |
5719 | int rc; | |
5720 | ||
5721 | switch (type) { | |
5722 | case ISCSI_BOOT_ETH_FLAGS: | |
5723 | rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT); | |
5724 | break; | |
5725 | case ISCSI_BOOT_ETH_INDEX: | |
5726 | rc = sprintf(str, "0\n"); | |
5727 | break; | |
5728 | case ISCSI_BOOT_ETH_MAC: | |
5729 | rc = sysfs_format_mac(str, ha->my_mac, | |
5730 | MAC_ADDR_LEN); | |
5731 | break; | |
5732 | default: | |
5733 | rc = -ENOSYS; | |
5734 | break; | |
5735 | } | |
5736 | return rc; | |
5737 | } | |
5738 | ||
587a1f16 | 5739 | static umode_t qla4xxx_eth_get_attr_visibility(void *data, int type) |
2a991c21 MR |
5740 | { |
5741 | int rc; | |
5742 | ||
5743 | switch (type) { | |
5744 | case ISCSI_BOOT_ETH_FLAGS: | |
5745 | case ISCSI_BOOT_ETH_MAC: | |
5746 | case ISCSI_BOOT_ETH_INDEX: | |
5747 | rc = S_IRUGO; | |
5748 | break; | |
5749 | default: | |
5750 | rc = 0; | |
5751 | break; | |
5752 | } | |
5753 | return rc; | |
5754 | } | |
5755 | ||
5756 | static ssize_t qla4xxx_show_boot_ini_info(void *data, int type, char *buf) | |
5757 | { | |
5758 | struct scsi_qla_host *ha = data; | |
5759 | char *str = buf; | |
5760 | int rc; | |
5761 | ||
5762 | switch (type) { | |
5763 | case ISCSI_BOOT_INI_INITIATOR_NAME: | |
5764 | rc = sprintf(str, "%s\n", ha->name_string); | |
5765 | break; | |
5766 | default: | |
5767 | rc = -ENOSYS; | |
5768 | break; | |
5769 | } | |
5770 | return rc; | |
5771 | } | |
5772 | ||
587a1f16 | 5773 | static umode_t qla4xxx_ini_get_attr_visibility(void *data, int type) |
2a991c21 MR |
5774 | { |
5775 | int rc; | |
5776 | ||
5777 | switch (type) { | |
5778 | case ISCSI_BOOT_INI_INITIATOR_NAME: | |
5779 | rc = S_IRUGO; | |
5780 | break; | |
5781 | default: | |
5782 | rc = 0; | |
5783 | break; | |
5784 | } | |
5785 | return rc; | |
5786 | } | |
5787 | ||
5788 | static ssize_t | |
5789 | qla4xxx_show_boot_tgt_info(struct ql4_boot_session_info *boot_sess, int type, | |
5790 | char *buf) | |
5791 | { | |
5792 | struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0]; | |
5793 | char *str = buf; | |
5794 | int rc; | |
5795 | ||
5796 | switch (type) { | |
5797 | case ISCSI_BOOT_TGT_NAME: | |
5798 | rc = sprintf(buf, "%s\n", (char *)&boot_sess->target_name); | |
5799 | break; | |
5800 | case ISCSI_BOOT_TGT_IP_ADDR: | |
5801 | if (boot_sess->conn_list[0].dest_ipaddr.ip_type == 0x1) | |
5802 | rc = sprintf(buf, "%pI4\n", | |
5803 | &boot_conn->dest_ipaddr.ip_address); | |
5804 | else | |
5805 | rc = sprintf(str, "%pI6\n", | |
5806 | &boot_conn->dest_ipaddr.ip_address); | |
5807 | break; | |
5808 | case ISCSI_BOOT_TGT_PORT: | |
5809 | rc = sprintf(str, "%d\n", boot_conn->dest_port); | |
5810 | break; | |
5811 | case ISCSI_BOOT_TGT_CHAP_NAME: | |
5812 | rc = sprintf(str, "%.*s\n", | |
5813 | boot_conn->chap.target_chap_name_length, | |
5814 | (char *)&boot_conn->chap.target_chap_name); | |
5815 | break; | |
5816 | case ISCSI_BOOT_TGT_CHAP_SECRET: | |
5817 | rc = sprintf(str, "%.*s\n", | |
5818 | boot_conn->chap.target_secret_length, | |
5819 | (char *)&boot_conn->chap.target_secret); | |
5820 | break; | |
5821 | case ISCSI_BOOT_TGT_REV_CHAP_NAME: | |
5822 | rc = sprintf(str, "%.*s\n", | |
5823 | boot_conn->chap.intr_chap_name_length, | |
5824 | (char *)&boot_conn->chap.intr_chap_name); | |
5825 | break; | |
5826 | case ISCSI_BOOT_TGT_REV_CHAP_SECRET: | |
5827 | rc = sprintf(str, "%.*s\n", | |
5828 | boot_conn->chap.intr_secret_length, | |
5829 | (char *)&boot_conn->chap.intr_secret); | |
5830 | break; | |
5831 | case ISCSI_BOOT_TGT_FLAGS: | |
5832 | rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT); | |
5833 | break; | |
5834 | case ISCSI_BOOT_TGT_NIC_ASSOC: | |
5835 | rc = sprintf(str, "0\n"); | |
5836 | break; | |
5837 | default: | |
5838 | rc = -ENOSYS; | |
5839 | break; | |
5840 | } | |
5841 | return rc; | |
5842 | } | |
5843 | ||
5844 | static ssize_t qla4xxx_show_boot_tgt_pri_info(void *data, int type, char *buf) | |
5845 | { | |
5846 | struct scsi_qla_host *ha = data; | |
5847 | struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_pri_sess); | |
5848 | ||
5849 | return qla4xxx_show_boot_tgt_info(boot_sess, type, buf); | |
5850 | } | |
5851 | ||
5852 | static ssize_t qla4xxx_show_boot_tgt_sec_info(void *data, int type, char *buf) | |
5853 | { | |
5854 | struct scsi_qla_host *ha = data; | |
5855 | struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_sec_sess); | |
5856 | ||
5857 | return qla4xxx_show_boot_tgt_info(boot_sess, type, buf); | |
5858 | } | |
5859 | ||
587a1f16 | 5860 | static umode_t qla4xxx_tgt_get_attr_visibility(void *data, int type) |
2a991c21 MR |
5861 | { |
5862 | int rc; | |
5863 | ||
5864 | switch (type) { | |
5865 | case ISCSI_BOOT_TGT_NAME: | |
5866 | case ISCSI_BOOT_TGT_IP_ADDR: | |
5867 | case ISCSI_BOOT_TGT_PORT: | |
5868 | case ISCSI_BOOT_TGT_CHAP_NAME: | |
5869 | case ISCSI_BOOT_TGT_CHAP_SECRET: | |
5870 | case ISCSI_BOOT_TGT_REV_CHAP_NAME: | |
5871 | case ISCSI_BOOT_TGT_REV_CHAP_SECRET: | |
5872 | case ISCSI_BOOT_TGT_NIC_ASSOC: | |
5873 | case ISCSI_BOOT_TGT_FLAGS: | |
5874 | rc = S_IRUGO; | |
5875 | break; | |
5876 | default: | |
5877 | rc = 0; | |
5878 | break; | |
5879 | } | |
5880 | return rc; | |
5881 | } | |
5882 | ||
5883 | static void qla4xxx_boot_release(void *data) | |
5884 | { | |
5885 | struct scsi_qla_host *ha = data; | |
5886 | ||
5887 | scsi_host_put(ha->host); | |
5888 | } | |
5889 | ||
5890 | static int get_fw_boot_info(struct scsi_qla_host *ha, uint16_t ddb_index[]) | |
5891 | { | |
5892 | dma_addr_t buf_dma; | |
5893 | uint32_t addr, pri_addr, sec_addr; | |
5894 | uint32_t offset; | |
5895 | uint16_t func_num; | |
5896 | uint8_t val; | |
5897 | uint8_t *buf = NULL; | |
5898 | size_t size = 13 * sizeof(uint8_t); | |
5899 | int ret = QLA_SUCCESS; | |
5900 | ||
5901 | func_num = PCI_FUNC(ha->pdev->devfn); | |
5902 | ||
0d5b36b8 MR |
5903 | ql4_printk(KERN_INFO, ha, "%s: Get FW boot info for 0x%x func %d\n", |
5904 | __func__, ha->pdev->device, func_num); | |
2a991c21 | 5905 | |
0d5b36b8 | 5906 | if (is_qla40XX(ha)) { |
2a991c21 MR |
5907 | if (func_num == 1) { |
5908 | addr = NVRAM_PORT0_BOOT_MODE; | |
5909 | pri_addr = NVRAM_PORT0_BOOT_PRI_TGT; | |
5910 | sec_addr = NVRAM_PORT0_BOOT_SEC_TGT; | |
5911 | } else if (func_num == 3) { | |
5912 | addr = NVRAM_PORT1_BOOT_MODE; | |
5913 | pri_addr = NVRAM_PORT1_BOOT_PRI_TGT; | |
5914 | sec_addr = NVRAM_PORT1_BOOT_SEC_TGT; | |
5915 | } else { | |
5916 | ret = QLA_ERROR; | |
5917 | goto exit_boot_info; | |
5918 | } | |
5919 | ||
5920 | /* Check Boot Mode */ | |
5921 | val = rd_nvram_byte(ha, addr); | |
5922 | if (!(val & 0x07)) { | |
e8fb00e0 MR |
5923 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Adapter boot " |
5924 | "options : 0x%x\n", __func__, val)); | |
2a991c21 MR |
5925 | ret = QLA_ERROR; |
5926 | goto exit_boot_info; | |
5927 | } | |
5928 | ||
5929 | /* get primary valid target index */ | |
5930 | val = rd_nvram_byte(ha, pri_addr); | |
5931 | if (val & BIT_7) | |
5932 | ddb_index[0] = (val & 0x7f); | |
2a991c21 MR |
5933 | |
5934 | /* get secondary valid target index */ | |
5935 | val = rd_nvram_byte(ha, sec_addr); | |
5936 | if (val & BIT_7) | |
5937 | ddb_index[1] = (val & 0x7f); | |
2a991c21 | 5938 | |
3e788fb1 | 5939 | } else if (is_qla80XX(ha)) { |
2a991c21 MR |
5940 | buf = dma_alloc_coherent(&ha->pdev->dev, size, |
5941 | &buf_dma, GFP_KERNEL); | |
5942 | if (!buf) { | |
5943 | DEBUG2(ql4_printk(KERN_ERR, ha, | |
5944 | "%s: Unable to allocate dma buffer\n", | |
5945 | __func__)); | |
5946 | ret = QLA_ERROR; | |
5947 | goto exit_boot_info; | |
5948 | } | |
5949 | ||
5950 | if (ha->port_num == 0) | |
5951 | offset = BOOT_PARAM_OFFSET_PORT0; | |
5952 | else if (ha->port_num == 1) | |
5953 | offset = BOOT_PARAM_OFFSET_PORT1; | |
5954 | else { | |
5955 | ret = QLA_ERROR; | |
5956 | goto exit_boot_info_free; | |
5957 | } | |
5958 | addr = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_iscsi_param * 4) + | |
5959 | offset; | |
5960 | if (qla4xxx_get_flash(ha, buf_dma, addr, | |
5961 | 13 * sizeof(uint8_t)) != QLA_SUCCESS) { | |
5962 | DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: Get Flash" | |
0bd7f842 | 5963 | " failed\n", ha->host_no, __func__)); |
2a991c21 MR |
5964 | ret = QLA_ERROR; |
5965 | goto exit_boot_info_free; | |
5966 | } | |
5967 | /* Check Boot Mode */ | |
5968 | if (!(buf[1] & 0x07)) { | |
e8fb00e0 MR |
5969 | DEBUG2(ql4_printk(KERN_INFO, ha, "Firmware boot options" |
5970 | " : 0x%x\n", buf[1])); | |
2a991c21 MR |
5971 | ret = QLA_ERROR; |
5972 | goto exit_boot_info_free; | |
5973 | } | |
5974 | ||
5975 | /* get primary valid target index */ | |
5976 | if (buf[2] & BIT_7) | |
5977 | ddb_index[0] = buf[2] & 0x7f; | |
2a991c21 MR |
5978 | |
5979 | /* get secondary valid target index */ | |
5980 | if (buf[11] & BIT_7) | |
5981 | ddb_index[1] = buf[11] & 0x7f; | |
2a991c21 MR |
5982 | } else { |
5983 | ret = QLA_ERROR; | |
5984 | goto exit_boot_info; | |
5985 | } | |
5986 | ||
5987 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary target ID %d, Secondary" | |
5988 | " target ID %d\n", __func__, ddb_index[0], | |
5989 | ddb_index[1])); | |
5990 | ||
5991 | exit_boot_info_free: | |
5992 | dma_free_coherent(&ha->pdev->dev, size, buf, buf_dma); | |
5993 | exit_boot_info: | |
20e835b4 LC |
5994 | ha->pri_ddb_idx = ddb_index[0]; |
5995 | ha->sec_ddb_idx = ddb_index[1]; | |
2a991c21 MR |
5996 | return ret; |
5997 | } | |
5998 | ||
28deb45c LC |
5999 | /** |
6000 | * qla4xxx_get_bidi_chap - Get a BIDI CHAP user and password | |
6001 | * @ha: pointer to adapter structure | |
6002 | * @username: CHAP username to be returned | |
6003 | * @password: CHAP password to be returned | |
6004 | * | |
6005 | * If a boot entry has BIDI CHAP enabled then we need to set the BIDI CHAP | |
6006 | * user and password in the sysfs entry in /sys/firmware/iscsi_boot#/. | |
6007 | * So from the CHAP cache find the first BIDI CHAP entry and set it | |
6008 | * to the boot record in sysfs. | |
6009 | **/ | |
6010 | static int qla4xxx_get_bidi_chap(struct scsi_qla_host *ha, char *username, | |
6011 | char *password) | |
6012 | { | |
6013 | int i, ret = -EINVAL; | |
6014 | int max_chap_entries = 0; | |
6015 | struct ql4_chap_table *chap_table; | |
6016 | ||
d11b0ca3 | 6017 | if (is_qla80XX(ha)) |
28deb45c LC |
6018 | max_chap_entries = (ha->hw.flt_chap_size / 2) / |
6019 | sizeof(struct ql4_chap_table); | |
6020 | else | |
6021 | max_chap_entries = MAX_CHAP_ENTRIES_40XX; | |
6022 | ||
6023 | if (!ha->chap_list) { | |
6024 | ql4_printk(KERN_ERR, ha, "Do not have CHAP table cache\n"); | |
6025 | return ret; | |
6026 | } | |
6027 | ||
6028 | mutex_lock(&ha->chap_sem); | |
6029 | for (i = 0; i < max_chap_entries; i++) { | |
6030 | chap_table = (struct ql4_chap_table *)ha->chap_list + i; | |
6031 | if (chap_table->cookie != | |
6032 | __constant_cpu_to_le16(CHAP_VALID_COOKIE)) { | |
6033 | continue; | |
6034 | } | |
6035 | ||
6036 | if (chap_table->flags & BIT_7) /* local */ | |
6037 | continue; | |
6038 | ||
6039 | if (!(chap_table->flags & BIT_6)) /* Not BIDI */ | |
6040 | continue; | |
6041 | ||
bdbb9662 RS |
6042 | strlcpy(password, chap_table->secret, QL4_CHAP_MAX_SECRET_LEN); |
6043 | strlcpy(username, chap_table->name, QL4_CHAP_MAX_NAME_LEN); | |
28deb45c LC |
6044 | ret = 0; |
6045 | break; | |
6046 | } | |
6047 | mutex_unlock(&ha->chap_sem); | |
6048 | ||
6049 | return ret; | |
6050 | } | |
6051 | ||
6052 | ||
2a991c21 MR |
6053 | static int qla4xxx_get_boot_target(struct scsi_qla_host *ha, |
6054 | struct ql4_boot_session_info *boot_sess, | |
6055 | uint16_t ddb_index) | |
6056 | { | |
6057 | struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0]; | |
6058 | struct dev_db_entry *fw_ddb_entry; | |
6059 | dma_addr_t fw_ddb_entry_dma; | |
6060 | uint16_t idx; | |
6061 | uint16_t options; | |
6062 | int ret = QLA_SUCCESS; | |
6063 | ||
6064 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
6065 | &fw_ddb_entry_dma, GFP_KERNEL); | |
6066 | if (!fw_ddb_entry) { | |
6067 | DEBUG2(ql4_printk(KERN_ERR, ha, | |
6068 | "%s: Unable to allocate dma buffer.\n", | |
6069 | __func__)); | |
6070 | ret = QLA_ERROR; | |
6071 | return ret; | |
6072 | } | |
6073 | ||
6074 | if (qla4xxx_bootdb_by_index(ha, fw_ddb_entry, | |
6075 | fw_ddb_entry_dma, ddb_index)) { | |
e8fb00e0 MR |
6076 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: No Flash DDB found at " |
6077 | "index [%d]\n", __func__, ddb_index)); | |
2a991c21 MR |
6078 | ret = QLA_ERROR; |
6079 | goto exit_boot_target; | |
6080 | } | |
6081 | ||
6082 | /* Update target name and IP from DDB */ | |
6083 | memcpy(boot_sess->target_name, fw_ddb_entry->iscsi_name, | |
6084 | min(sizeof(boot_sess->target_name), | |
6085 | sizeof(fw_ddb_entry->iscsi_name))); | |
6086 | ||
6087 | options = le16_to_cpu(fw_ddb_entry->options); | |
6088 | if (options & DDB_OPT_IPV6_DEVICE) { | |
6089 | memcpy(&boot_conn->dest_ipaddr.ip_address, | |
6090 | &fw_ddb_entry->ip_addr[0], IPv6_ADDR_LEN); | |
6091 | } else { | |
6092 | boot_conn->dest_ipaddr.ip_type = 0x1; | |
6093 | memcpy(&boot_conn->dest_ipaddr.ip_address, | |
6094 | &fw_ddb_entry->ip_addr[0], IP_ADDR_LEN); | |
6095 | } | |
6096 | ||
6097 | boot_conn->dest_port = le16_to_cpu(fw_ddb_entry->port); | |
6098 | ||
6099 | /* update chap information */ | |
6100 | idx = __le16_to_cpu(fw_ddb_entry->chap_tbl_idx); | |
6101 | ||
6102 | if (BIT_7 & le16_to_cpu(fw_ddb_entry->iscsi_options)) { | |
6103 | ||
6104 | DEBUG2(ql4_printk(KERN_INFO, ha, "Setting chap\n")); | |
6105 | ||
6106 | ret = qla4xxx_get_chap(ha, (char *)&boot_conn->chap. | |
6107 | target_chap_name, | |
6108 | (char *)&boot_conn->chap.target_secret, | |
6109 | idx); | |
6110 | if (ret) { | |
6111 | ql4_printk(KERN_ERR, ha, "Failed to set chap\n"); | |
6112 | ret = QLA_ERROR; | |
6113 | goto exit_boot_target; | |
6114 | } | |
6115 | ||
6116 | boot_conn->chap.target_chap_name_length = QL4_CHAP_MAX_NAME_LEN; | |
6117 | boot_conn->chap.target_secret_length = QL4_CHAP_MAX_SECRET_LEN; | |
6118 | } | |
6119 | ||
6120 | if (BIT_4 & le16_to_cpu(fw_ddb_entry->iscsi_options)) { | |
6121 | ||
6122 | DEBUG2(ql4_printk(KERN_INFO, ha, "Setting BIDI chap\n")); | |
6123 | ||
28deb45c LC |
6124 | ret = qla4xxx_get_bidi_chap(ha, |
6125 | (char *)&boot_conn->chap.intr_chap_name, | |
6126 | (char *)&boot_conn->chap.intr_secret); | |
6127 | ||
2a991c21 MR |
6128 | if (ret) { |
6129 | ql4_printk(KERN_ERR, ha, "Failed to set BIDI chap\n"); | |
6130 | ret = QLA_ERROR; | |
6131 | goto exit_boot_target; | |
6132 | } | |
6133 | ||
6134 | boot_conn->chap.intr_chap_name_length = QL4_CHAP_MAX_NAME_LEN; | |
6135 | boot_conn->chap.intr_secret_length = QL4_CHAP_MAX_SECRET_LEN; | |
6136 | } | |
6137 | ||
6138 | exit_boot_target: | |
6139 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
6140 | fw_ddb_entry, fw_ddb_entry_dma); | |
6141 | return ret; | |
6142 | } | |
6143 | ||
6144 | static int qla4xxx_get_boot_info(struct scsi_qla_host *ha) | |
6145 | { | |
6146 | uint16_t ddb_index[2]; | |
8de5b958 LC |
6147 | int ret = QLA_ERROR; |
6148 | int rval; | |
2a991c21 MR |
6149 | |
6150 | memset(ddb_index, 0, sizeof(ddb_index)); | |
8de5b958 LC |
6151 | ddb_index[0] = 0xffff; |
6152 | ddb_index[1] = 0xffff; | |
2a991c21 MR |
6153 | ret = get_fw_boot_info(ha, ddb_index); |
6154 | if (ret != QLA_SUCCESS) { | |
e8fb00e0 MR |
6155 | DEBUG2(ql4_printk(KERN_INFO, ha, |
6156 | "%s: No boot target configured.\n", __func__)); | |
2a991c21 MR |
6157 | return ret; |
6158 | } | |
6159 | ||
13483730 MC |
6160 | if (ql4xdisablesysfsboot) |
6161 | return QLA_SUCCESS; | |
6162 | ||
8de5b958 LC |
6163 | if (ddb_index[0] == 0xffff) |
6164 | goto sec_target; | |
6165 | ||
6166 | rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_pri_sess), | |
2a991c21 | 6167 | ddb_index[0]); |
8de5b958 | 6168 | if (rval != QLA_SUCCESS) { |
e8fb00e0 MR |
6169 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary boot target not " |
6170 | "configured\n", __func__)); | |
8de5b958 LC |
6171 | } else |
6172 | ret = QLA_SUCCESS; | |
2a991c21 | 6173 | |
8de5b958 LC |
6174 | sec_target: |
6175 | if (ddb_index[1] == 0xffff) | |
6176 | goto exit_get_boot_info; | |
6177 | ||
6178 | rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_sec_sess), | |
2a991c21 | 6179 | ddb_index[1]); |
8de5b958 | 6180 | if (rval != QLA_SUCCESS) { |
e8fb00e0 MR |
6181 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Secondary boot target not" |
6182 | " configured\n", __func__)); | |
8de5b958 LC |
6183 | } else |
6184 | ret = QLA_SUCCESS; | |
6185 | ||
6186 | exit_get_boot_info: | |
2a991c21 MR |
6187 | return ret; |
6188 | } | |
6189 | ||
6190 | static int qla4xxx_setup_boot_info(struct scsi_qla_host *ha) | |
6191 | { | |
6192 | struct iscsi_boot_kobj *boot_kobj; | |
6193 | ||
6194 | if (qla4xxx_get_boot_info(ha) != QLA_SUCCESS) | |
13483730 MC |
6195 | return QLA_ERROR; |
6196 | ||
6197 | if (ql4xdisablesysfsboot) { | |
6198 | ql4_printk(KERN_INFO, ha, | |
0bd7f842 | 6199 | "%s: syfsboot disabled - driver will trigger login " |
13483730 MC |
6200 | "and publish session for discovery .\n", __func__); |
6201 | return QLA_SUCCESS; | |
6202 | } | |
6203 | ||
2a991c21 MR |
6204 | |
6205 | ha->boot_kset = iscsi_boot_create_host_kset(ha->host->host_no); | |
6206 | if (!ha->boot_kset) | |
6207 | goto kset_free; | |
6208 | ||
6209 | if (!scsi_host_get(ha->host)) | |
6210 | goto kset_free; | |
6211 | boot_kobj = iscsi_boot_create_target(ha->boot_kset, 0, ha, | |
6212 | qla4xxx_show_boot_tgt_pri_info, | |
6213 | qla4xxx_tgt_get_attr_visibility, | |
6214 | qla4xxx_boot_release); | |
6215 | if (!boot_kobj) | |
6216 | goto put_host; | |
6217 | ||
6218 | if (!scsi_host_get(ha->host)) | |
6219 | goto kset_free; | |
6220 | boot_kobj = iscsi_boot_create_target(ha->boot_kset, 1, ha, | |
6221 | qla4xxx_show_boot_tgt_sec_info, | |
6222 | qla4xxx_tgt_get_attr_visibility, | |
6223 | qla4xxx_boot_release); | |
6224 | if (!boot_kobj) | |
6225 | goto put_host; | |
6226 | ||
6227 | if (!scsi_host_get(ha->host)) | |
6228 | goto kset_free; | |
6229 | boot_kobj = iscsi_boot_create_initiator(ha->boot_kset, 0, ha, | |
6230 | qla4xxx_show_boot_ini_info, | |
6231 | qla4xxx_ini_get_attr_visibility, | |
6232 | qla4xxx_boot_release); | |
6233 | if (!boot_kobj) | |
6234 | goto put_host; | |
6235 | ||
6236 | if (!scsi_host_get(ha->host)) | |
6237 | goto kset_free; | |
6238 | boot_kobj = iscsi_boot_create_ethernet(ha->boot_kset, 0, ha, | |
6239 | qla4xxx_show_boot_eth_info, | |
6240 | qla4xxx_eth_get_attr_visibility, | |
6241 | qla4xxx_boot_release); | |
6242 | if (!boot_kobj) | |
6243 | goto put_host; | |
6244 | ||
13483730 | 6245 | return QLA_SUCCESS; |
2a991c21 MR |
6246 | |
6247 | put_host: | |
6248 | scsi_host_put(ha->host); | |
6249 | kset_free: | |
6250 | iscsi_boot_destroy_kset(ha->boot_kset); | |
6251 | return -ENOMEM; | |
6252 | } | |
6253 | ||
4549415a | 6254 | |
13483730 MC |
6255 | static void qla4xxx_get_param_ddb(struct ddb_entry *ddb_entry, |
6256 | struct ql4_tuple_ddb *tddb) | |
6257 | { | |
6258 | struct scsi_qla_host *ha; | |
6259 | struct iscsi_cls_session *cls_sess; | |
6260 | struct iscsi_cls_conn *cls_conn; | |
6261 | struct iscsi_session *sess; | |
6262 | struct iscsi_conn *conn; | |
6263 | ||
6264 | DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); | |
6265 | ha = ddb_entry->ha; | |
6266 | cls_sess = ddb_entry->sess; | |
6267 | sess = cls_sess->dd_data; | |
6268 | cls_conn = ddb_entry->conn; | |
6269 | conn = cls_conn->dd_data; | |
6270 | ||
6271 | tddb->tpgt = sess->tpgt; | |
6272 | tddb->port = conn->persistent_port; | |
bdbb9662 RS |
6273 | strlcpy(tddb->iscsi_name, sess->targetname, ISCSI_NAME_SIZE); |
6274 | strlcpy(tddb->ip_addr, conn->persistent_address, DDB_IPADDR_LEN); | |
13483730 MC |
6275 | } |
6276 | ||
6277 | static void qla4xxx_convert_param_ddb(struct dev_db_entry *fw_ddb_entry, | |
1cb78d73 VC |
6278 | struct ql4_tuple_ddb *tddb, |
6279 | uint8_t *flash_isid) | |
13483730 MC |
6280 | { |
6281 | uint16_t options = 0; | |
6282 | ||
6283 | tddb->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); | |
6284 | memcpy(&tddb->iscsi_name[0], &fw_ddb_entry->iscsi_name[0], | |
6285 | min(sizeof(tddb->iscsi_name), sizeof(fw_ddb_entry->iscsi_name))); | |
6286 | ||
6287 | options = le16_to_cpu(fw_ddb_entry->options); | |
6288 | if (options & DDB_OPT_IPV6_DEVICE) | |
6289 | sprintf(tddb->ip_addr, "%pI6", fw_ddb_entry->ip_addr); | |
6290 | else | |
6291 | sprintf(tddb->ip_addr, "%pI4", fw_ddb_entry->ip_addr); | |
6292 | ||
6293 | tddb->port = le16_to_cpu(fw_ddb_entry->port); | |
1cb78d73 VC |
6294 | |
6295 | if (flash_isid == NULL) | |
6296 | memcpy(&tddb->isid[0], &fw_ddb_entry->isid[0], | |
6297 | sizeof(tddb->isid)); | |
6298 | else | |
6299 | memcpy(&tddb->isid[0], &flash_isid[0], sizeof(tddb->isid)); | |
13483730 MC |
6300 | } |
6301 | ||
6302 | static int qla4xxx_compare_tuple_ddb(struct scsi_qla_host *ha, | |
6303 | struct ql4_tuple_ddb *old_tddb, | |
173269ef MR |
6304 | struct ql4_tuple_ddb *new_tddb, |
6305 | uint8_t is_isid_compare) | |
13483730 MC |
6306 | { |
6307 | if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name)) | |
6308 | return QLA_ERROR; | |
6309 | ||
6310 | if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr)) | |
6311 | return QLA_ERROR; | |
6312 | ||
6313 | if (old_tddb->port != new_tddb->port) | |
6314 | return QLA_ERROR; | |
6315 | ||
173269ef | 6316 | /* For multi sessions, driver generates the ISID, so do not compare |
59e13d48 | 6317 | * ISID in reset path since it would be a comparison between the |
173269ef MR |
6318 | * driver generated ISID and firmware generated ISID. This could |
6319 | * lead to adding duplicated DDBs in the list as driver generated | |
6320 | * ISID would not match firmware generated ISID. | |
6321 | */ | |
6322 | if (is_isid_compare) { | |
d1d81bd0 OK |
6323 | DEBUG2(ql4_printk(KERN_INFO, ha, |
6324 | "%s: old ISID [%pmR] New ISID [%pmR]\n", | |
6325 | __func__, old_tddb->isid, new_tddb->isid)); | |
173269ef MR |
6326 | |
6327 | if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0], | |
6328 | sizeof(old_tddb->isid))) | |
6329 | return QLA_ERROR; | |
6330 | } | |
6331 | ||
13483730 MC |
6332 | DEBUG2(ql4_printk(KERN_INFO, ha, |
6333 | "Match Found, fw[%d,%d,%s,%s], [%d,%d,%s,%s]", | |
6334 | old_tddb->port, old_tddb->tpgt, old_tddb->ip_addr, | |
6335 | old_tddb->iscsi_name, new_tddb->port, new_tddb->tpgt, | |
6336 | new_tddb->ip_addr, new_tddb->iscsi_name)); | |
6337 | ||
6338 | return QLA_SUCCESS; | |
6339 | } | |
6340 | ||
6341 | static int qla4xxx_is_session_exists(struct scsi_qla_host *ha, | |
ad8bd45e MR |
6342 | struct dev_db_entry *fw_ddb_entry, |
6343 | uint32_t *index) | |
13483730 MC |
6344 | { |
6345 | struct ddb_entry *ddb_entry; | |
6346 | struct ql4_tuple_ddb *fw_tddb = NULL; | |
6347 | struct ql4_tuple_ddb *tmp_tddb = NULL; | |
6348 | int idx; | |
6349 | int ret = QLA_ERROR; | |
6350 | ||
6351 | fw_tddb = vzalloc(sizeof(*fw_tddb)); | |
6352 | if (!fw_tddb) { | |
6353 | DEBUG2(ql4_printk(KERN_WARNING, ha, | |
6354 | "Memory Allocation failed.\n")); | |
6355 | ret = QLA_SUCCESS; | |
6356 | goto exit_check; | |
6357 | } | |
6358 | ||
6359 | tmp_tddb = vzalloc(sizeof(*tmp_tddb)); | |
6360 | if (!tmp_tddb) { | |
6361 | DEBUG2(ql4_printk(KERN_WARNING, ha, | |
6362 | "Memory Allocation failed.\n")); | |
6363 | ret = QLA_SUCCESS; | |
6364 | goto exit_check; | |
6365 | } | |
6366 | ||
1cb78d73 | 6367 | qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL); |
13483730 MC |
6368 | |
6369 | for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { | |
6370 | ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); | |
6371 | if (ddb_entry == NULL) | |
6372 | continue; | |
6373 | ||
6374 | qla4xxx_get_param_ddb(ddb_entry, tmp_tddb); | |
173269ef | 6375 | if (!qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, false)) { |
13483730 | 6376 | ret = QLA_SUCCESS; /* found */ |
ad8bd45e MR |
6377 | if (index != NULL) |
6378 | *index = idx; | |
13483730 MC |
6379 | goto exit_check; |
6380 | } | |
6381 | } | |
6382 | ||
6383 | exit_check: | |
6384 | if (fw_tddb) | |
6385 | vfree(fw_tddb); | |
6386 | if (tmp_tddb) | |
6387 | vfree(tmp_tddb); | |
6388 | return ret; | |
6389 | } | |
6390 | ||
1cb78d73 VC |
6391 | /** |
6392 | * qla4xxx_check_existing_isid - check if target with same isid exist | |
6393 | * in target list | |
6394 | * @list_nt: list of target | |
6395 | * @isid: isid to check | |
6396 | * | |
6397 | * This routine return QLA_SUCCESS if target with same isid exist | |
6398 | **/ | |
6399 | static int qla4xxx_check_existing_isid(struct list_head *list_nt, uint8_t *isid) | |
6400 | { | |
6401 | struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp; | |
6402 | struct dev_db_entry *fw_ddb_entry; | |
6403 | ||
6404 | list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { | |
6405 | fw_ddb_entry = &nt_ddb_idx->fw_ddb; | |
6406 | ||
6407 | if (memcmp(&fw_ddb_entry->isid[0], &isid[0], | |
6408 | sizeof(nt_ddb_idx->fw_ddb.isid)) == 0) { | |
6409 | return QLA_SUCCESS; | |
6410 | } | |
6411 | } | |
6412 | return QLA_ERROR; | |
6413 | } | |
6414 | ||
6415 | /** | |
6416 | * qla4xxx_update_isid - compare ddbs and updated isid | |
6417 | * @ha: Pointer to host adapter structure. | |
6418 | * @list_nt: list of nt target | |
6419 | * @fw_ddb_entry: firmware ddb entry | |
6420 | * | |
6421 | * This routine update isid if ddbs have same iqn, same isid and | |
6422 | * different IP addr. | |
6423 | * Return QLA_SUCCESS if isid is updated. | |
6424 | **/ | |
6425 | static int qla4xxx_update_isid(struct scsi_qla_host *ha, | |
6426 | struct list_head *list_nt, | |
6427 | struct dev_db_entry *fw_ddb_entry) | |
6428 | { | |
6429 | uint8_t base_value, i; | |
6430 | ||
6431 | base_value = fw_ddb_entry->isid[1] & 0x1f; | |
6432 | for (i = 0; i < 8; i++) { | |
6433 | fw_ddb_entry->isid[1] = (base_value | (i << 5)); | |
6434 | if (qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid)) | |
6435 | break; | |
6436 | } | |
6437 | ||
6438 | if (!qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid)) | |
6439 | return QLA_ERROR; | |
6440 | ||
6441 | return QLA_SUCCESS; | |
6442 | } | |
6443 | ||
6444 | /** | |
6445 | * qla4xxx_should_update_isid - check if isid need to update | |
6446 | * @ha: Pointer to host adapter structure. | |
6447 | * @old_tddb: ddb tuple | |
6448 | * @new_tddb: ddb tuple | |
6449 | * | |
6450 | * Return QLA_SUCCESS if different IP, different PORT, same iqn, | |
6451 | * same isid | |
6452 | **/ | |
6453 | static int qla4xxx_should_update_isid(struct scsi_qla_host *ha, | |
6454 | struct ql4_tuple_ddb *old_tddb, | |
6455 | struct ql4_tuple_ddb *new_tddb) | |
6456 | { | |
6457 | if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr) == 0) { | |
6458 | /* Same ip */ | |
6459 | if (old_tddb->port == new_tddb->port) | |
6460 | return QLA_ERROR; | |
6461 | } | |
6462 | ||
6463 | if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name)) | |
6464 | /* different iqn */ | |
6465 | return QLA_ERROR; | |
6466 | ||
6467 | if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0], | |
6468 | sizeof(old_tddb->isid))) | |
6469 | /* different isid */ | |
6470 | return QLA_ERROR; | |
6471 | ||
6472 | return QLA_SUCCESS; | |
6473 | } | |
6474 | ||
6475 | /** | |
6476 | * qla4xxx_is_flash_ddb_exists - check if fw_ddb_entry already exists in list_nt | |
6477 | * @ha: Pointer to host adapter structure. | |
6478 | * @list_nt: list of nt target. | |
6479 | * @fw_ddb_entry: firmware ddb entry. | |
6480 | * | |
6481 | * This routine check if fw_ddb_entry already exists in list_nt to avoid | |
6482 | * duplicate ddb in list_nt. | |
6483 | * Return QLA_SUCCESS if duplicate ddb exit in list_nl. | |
6484 | * Note: This function also update isid of DDB if required. | |
6485 | **/ | |
6486 | ||
13483730 MC |
6487 | static int qla4xxx_is_flash_ddb_exists(struct scsi_qla_host *ha, |
6488 | struct list_head *list_nt, | |
6489 | struct dev_db_entry *fw_ddb_entry) | |
6490 | { | |
6491 | struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp; | |
6492 | struct ql4_tuple_ddb *fw_tddb = NULL; | |
6493 | struct ql4_tuple_ddb *tmp_tddb = NULL; | |
1cb78d73 | 6494 | int rval, ret = QLA_ERROR; |
13483730 MC |
6495 | |
6496 | fw_tddb = vzalloc(sizeof(*fw_tddb)); | |
6497 | if (!fw_tddb) { | |
6498 | DEBUG2(ql4_printk(KERN_WARNING, ha, | |
6499 | "Memory Allocation failed.\n")); | |
6500 | ret = QLA_SUCCESS; | |
6501 | goto exit_check; | |
6502 | } | |
6503 | ||
6504 | tmp_tddb = vzalloc(sizeof(*tmp_tddb)); | |
6505 | if (!tmp_tddb) { | |
6506 | DEBUG2(ql4_printk(KERN_WARNING, ha, | |
6507 | "Memory Allocation failed.\n")); | |
6508 | ret = QLA_SUCCESS; | |
6509 | goto exit_check; | |
6510 | } | |
6511 | ||
1cb78d73 | 6512 | qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL); |
13483730 MC |
6513 | |
6514 | list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { | |
1cb78d73 VC |
6515 | qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb, |
6516 | nt_ddb_idx->flash_isid); | |
6517 | ret = qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, true); | |
6518 | /* found duplicate ddb */ | |
6519 | if (ret == QLA_SUCCESS) | |
6520 | goto exit_check; | |
6521 | } | |
6522 | ||
6523 | list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { | |
6524 | qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb, NULL); | |
6525 | ||
6526 | ret = qla4xxx_should_update_isid(ha, tmp_tddb, fw_tddb); | |
6527 | if (ret == QLA_SUCCESS) { | |
6528 | rval = qla4xxx_update_isid(ha, list_nt, fw_ddb_entry); | |
6529 | if (rval == QLA_SUCCESS) | |
6530 | ret = QLA_ERROR; | |
6531 | else | |
6532 | ret = QLA_SUCCESS; | |
6533 | ||
13483730 MC |
6534 | goto exit_check; |
6535 | } | |
6536 | } | |
6537 | ||
6538 | exit_check: | |
6539 | if (fw_tddb) | |
6540 | vfree(fw_tddb); | |
6541 | if (tmp_tddb) | |
6542 | vfree(tmp_tddb); | |
6543 | return ret; | |
6544 | } | |
6545 | ||
4a4bc2e9 | 6546 | static void qla4xxx_free_ddb_list(struct list_head *list_ddb) |
13483730 | 6547 | { |
4a4bc2e9 | 6548 | struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; |
13483730 | 6549 | |
4a4bc2e9 LC |
6550 | list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { |
6551 | list_del_init(&ddb_idx->list); | |
6552 | vfree(ddb_idx); | |
13483730 | 6553 | } |
13483730 MC |
6554 | } |
6555 | ||
6556 | static struct iscsi_endpoint *qla4xxx_get_ep_fwdb(struct scsi_qla_host *ha, | |
6557 | struct dev_db_entry *fw_ddb_entry) | |
6558 | { | |
6559 | struct iscsi_endpoint *ep; | |
6560 | struct sockaddr_in *addr; | |
6561 | struct sockaddr_in6 *addr6; | |
3dd4849c MR |
6562 | struct sockaddr *t_addr; |
6563 | struct sockaddr_storage *dst_addr; | |
13483730 MC |
6564 | char *ip; |
6565 | ||
6566 | /* TODO: need to destroy on unload iscsi_endpoint*/ | |
6567 | dst_addr = vmalloc(sizeof(*dst_addr)); | |
6568 | if (!dst_addr) | |
6569 | return NULL; | |
6570 | ||
6571 | if (fw_ddb_entry->options & DDB_OPT_IPV6_DEVICE) { | |
3dd4849c MR |
6572 | t_addr = (struct sockaddr *)dst_addr; |
6573 | t_addr->sa_family = AF_INET6; | |
13483730 MC |
6574 | addr6 = (struct sockaddr_in6 *)dst_addr; |
6575 | ip = (char *)&addr6->sin6_addr; | |
6576 | memcpy(ip, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN); | |
6577 | addr6->sin6_port = htons(le16_to_cpu(fw_ddb_entry->port)); | |
6578 | ||
6579 | } else { | |
3dd4849c MR |
6580 | t_addr = (struct sockaddr *)dst_addr; |
6581 | t_addr->sa_family = AF_INET; | |
13483730 MC |
6582 | addr = (struct sockaddr_in *)dst_addr; |
6583 | ip = (char *)&addr->sin_addr; | |
6584 | memcpy(ip, fw_ddb_entry->ip_addr, IP_ADDR_LEN); | |
6585 | addr->sin_port = htons(le16_to_cpu(fw_ddb_entry->port)); | |
6586 | } | |
6587 | ||
3dd4849c | 6588 | ep = qla4xxx_ep_connect(ha->host, (struct sockaddr *)dst_addr, 0); |
13483730 MC |
6589 | vfree(dst_addr); |
6590 | return ep; | |
6591 | } | |
6592 | ||
6593 | static int qla4xxx_verify_boot_idx(struct scsi_qla_host *ha, uint16_t idx) | |
6594 | { | |
6595 | if (ql4xdisablesysfsboot) | |
6596 | return QLA_SUCCESS; | |
6597 | if (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx) | |
6598 | return QLA_ERROR; | |
6599 | return QLA_SUCCESS; | |
6600 | } | |
6601 | ||
6602 | static void qla4xxx_setup_flash_ddb_entry(struct scsi_qla_host *ha, | |
1dc8ed5d MR |
6603 | struct ddb_entry *ddb_entry, |
6604 | uint16_t idx) | |
13483730 | 6605 | { |
c28eaaca NJ |
6606 | uint16_t def_timeout; |
6607 | ||
13483730 MC |
6608 | ddb_entry->ddb_type = FLASH_DDB; |
6609 | ddb_entry->fw_ddb_index = INVALID_ENTRY; | |
6610 | ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE; | |
6611 | ddb_entry->ha = ha; | |
6612 | ddb_entry->unblock_sess = qla4xxx_unblock_flash_ddb; | |
6613 | ddb_entry->ddb_change = qla4xxx_flash_ddb_change; | |
946ac571 | 6614 | ddb_entry->chap_tbl_idx = INVALID_ENTRY; |
13483730 MC |
6615 | |
6616 | atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY); | |
6617 | atomic_set(&ddb_entry->relogin_timer, 0); | |
6618 | atomic_set(&ddb_entry->relogin_retry_count, 0); | |
c28eaaca | 6619 | def_timeout = le16_to_cpu(ddb_entry->fw_ddb_entry.def_timeout); |
13483730 | 6620 | ddb_entry->default_relogin_timeout = |
c28eaaca NJ |
6621 | (def_timeout > LOGIN_TOV) && (def_timeout < LOGIN_TOV * 10) ? |
6622 | def_timeout : LOGIN_TOV; | |
13483730 MC |
6623 | ddb_entry->default_time2wait = |
6624 | le16_to_cpu(ddb_entry->fw_ddb_entry.iscsi_def_time2wait); | |
1dc8ed5d MR |
6625 | |
6626 | if (ql4xdisablesysfsboot && | |
6627 | (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx)) | |
6628 | set_bit(DF_BOOT_TGT, &ddb_entry->flags); | |
13483730 MC |
6629 | } |
6630 | ||
6631 | static void qla4xxx_wait_for_ip_configuration(struct scsi_qla_host *ha) | |
6632 | { | |
6633 | uint32_t idx = 0; | |
6634 | uint32_t ip_idx[IP_ADDR_COUNT] = {0, 1, 2, 3}; /* 4 IP interfaces */ | |
6635 | uint32_t sts[MBOX_REG_COUNT]; | |
6636 | uint32_t ip_state; | |
6637 | unsigned long wtime; | |
6638 | int ret; | |
6639 | ||
6640 | wtime = jiffies + (HZ * IP_CONFIG_TOV); | |
6641 | do { | |
6642 | for (idx = 0; idx < IP_ADDR_COUNT; idx++) { | |
6643 | if (ip_idx[idx] == -1) | |
6644 | continue; | |
6645 | ||
6646 | ret = qla4xxx_get_ip_state(ha, 0, ip_idx[idx], sts); | |
6647 | ||
6648 | if (ret == QLA_ERROR) { | |
6649 | ip_idx[idx] = -1; | |
6650 | continue; | |
6651 | } | |
6652 | ||
6653 | ip_state = (sts[1] & IP_STATE_MASK) >> IP_STATE_SHIFT; | |
6654 | ||
6655 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
6656 | "Waiting for IP state for idx = %d, state = 0x%x\n", | |
6657 | ip_idx[idx], ip_state)); | |
6658 | if (ip_state == IP_ADDRSTATE_UNCONFIGURED || | |
6659 | ip_state == IP_ADDRSTATE_INVALID || | |
6660 | ip_state == IP_ADDRSTATE_PREFERRED || | |
6661 | ip_state == IP_ADDRSTATE_DEPRICATED || | |
6662 | ip_state == IP_ADDRSTATE_DISABLING) | |
6663 | ip_idx[idx] = -1; | |
13483730 MC |
6664 | } |
6665 | ||
6666 | /* Break if all IP states checked */ | |
6667 | if ((ip_idx[0] == -1) && | |
6668 | (ip_idx[1] == -1) && | |
6669 | (ip_idx[2] == -1) && | |
6670 | (ip_idx[3] == -1)) | |
6671 | break; | |
6672 | schedule_timeout_uninterruptible(HZ); | |
6673 | } while (time_after(wtime, jiffies)); | |
6674 | } | |
6675 | ||
ad8bd45e MR |
6676 | static int qla4xxx_cmp_fw_stentry(struct dev_db_entry *fw_ddb_entry, |
6677 | struct dev_db_entry *flash_ddb_entry) | |
6678 | { | |
6679 | uint16_t options = 0; | |
6680 | size_t ip_len = IP_ADDR_LEN; | |
6681 | ||
6682 | options = le16_to_cpu(fw_ddb_entry->options); | |
6683 | if (options & DDB_OPT_IPV6_DEVICE) | |
6684 | ip_len = IPv6_ADDR_LEN; | |
6685 | ||
6686 | if (memcmp(fw_ddb_entry->ip_addr, flash_ddb_entry->ip_addr, ip_len)) | |
6687 | return QLA_ERROR; | |
6688 | ||
6689 | if (memcmp(&fw_ddb_entry->isid[0], &flash_ddb_entry->isid[0], | |
6690 | sizeof(fw_ddb_entry->isid))) | |
6691 | return QLA_ERROR; | |
6692 | ||
6693 | if (memcmp(&fw_ddb_entry->port, &flash_ddb_entry->port, | |
6694 | sizeof(fw_ddb_entry->port))) | |
6695 | return QLA_ERROR; | |
6696 | ||
6697 | return QLA_SUCCESS; | |
6698 | } | |
6699 | ||
6700 | static int qla4xxx_find_flash_st_idx(struct scsi_qla_host *ha, | |
6701 | struct dev_db_entry *fw_ddb_entry, | |
6702 | uint32_t fw_idx, uint32_t *flash_index) | |
6703 | { | |
6704 | struct dev_db_entry *flash_ddb_entry; | |
6705 | dma_addr_t flash_ddb_entry_dma; | |
6706 | uint32_t idx = 0; | |
6707 | int max_ddbs; | |
6708 | int ret = QLA_ERROR, status; | |
6709 | ||
6710 | max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : | |
6711 | MAX_DEV_DB_ENTRIES; | |
6712 | ||
6713 | flash_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, | |
6714 | &flash_ddb_entry_dma); | |
6715 | if (flash_ddb_entry == NULL || fw_ddb_entry == NULL) { | |
6716 | ql4_printk(KERN_ERR, ha, "Out of memory\n"); | |
6717 | goto exit_find_st_idx; | |
6718 | } | |
6719 | ||
6720 | status = qla4xxx_flashdb_by_index(ha, flash_ddb_entry, | |
6721 | flash_ddb_entry_dma, fw_idx); | |
6722 | if (status == QLA_SUCCESS) { | |
6723 | status = qla4xxx_cmp_fw_stentry(fw_ddb_entry, flash_ddb_entry); | |
6724 | if (status == QLA_SUCCESS) { | |
6725 | *flash_index = fw_idx; | |
6726 | ret = QLA_SUCCESS; | |
6727 | goto exit_find_st_idx; | |
6728 | } | |
6729 | } | |
6730 | ||
6731 | for (idx = 0; idx < max_ddbs; idx++) { | |
6732 | status = qla4xxx_flashdb_by_index(ha, flash_ddb_entry, | |
6733 | flash_ddb_entry_dma, idx); | |
6734 | if (status == QLA_ERROR) | |
6735 | continue; | |
6736 | ||
6737 | status = qla4xxx_cmp_fw_stentry(fw_ddb_entry, flash_ddb_entry); | |
6738 | if (status == QLA_SUCCESS) { | |
6739 | *flash_index = idx; | |
6740 | ret = QLA_SUCCESS; | |
6741 | goto exit_find_st_idx; | |
6742 | } | |
6743 | } | |
6744 | ||
6745 | if (idx == max_ddbs) | |
6746 | ql4_printk(KERN_ERR, ha, "Failed to find ST [%d] in flash\n", | |
6747 | fw_idx); | |
6748 | ||
6749 | exit_find_st_idx: | |
6750 | if (flash_ddb_entry) | |
6751 | dma_pool_free(ha->fw_ddb_dma_pool, flash_ddb_entry, | |
6752 | flash_ddb_entry_dma); | |
6753 | ||
6754 | return ret; | |
6755 | } | |
6756 | ||
4a4bc2e9 LC |
6757 | static void qla4xxx_build_st_list(struct scsi_qla_host *ha, |
6758 | struct list_head *list_st) | |
13483730 | 6759 | { |
4a4bc2e9 | 6760 | struct qla_ddb_index *st_ddb_idx; |
13483730 | 6761 | int max_ddbs; |
4a4bc2e9 LC |
6762 | int fw_idx_size; |
6763 | struct dev_db_entry *fw_ddb_entry; | |
6764 | dma_addr_t fw_ddb_dma; | |
13483730 MC |
6765 | int ret; |
6766 | uint32_t idx = 0, next_idx = 0; | |
6767 | uint32_t state = 0, conn_err = 0; | |
ad8bd45e | 6768 | uint32_t flash_index = -1; |
4a4bc2e9 | 6769 | uint16_t conn_id = 0; |
13483730 MC |
6770 | |
6771 | fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, | |
6772 | &fw_ddb_dma); | |
6773 | if (fw_ddb_entry == NULL) { | |
6774 | DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); | |
4a4bc2e9 | 6775 | goto exit_st_list; |
13483730 MC |
6776 | } |
6777 | ||
4a4bc2e9 LC |
6778 | max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : |
6779 | MAX_DEV_DB_ENTRIES; | |
13483730 MC |
6780 | fw_idx_size = sizeof(struct qla_ddb_index); |
6781 | ||
6782 | for (idx = 0; idx < max_ddbs; idx = next_idx) { | |
4a4bc2e9 LC |
6783 | ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, |
6784 | NULL, &next_idx, &state, | |
6785 | &conn_err, NULL, &conn_id); | |
13483730 MC |
6786 | if (ret == QLA_ERROR) |
6787 | break; | |
6788 | ||
981c982c LC |
6789 | /* Ignore DDB if invalid state (unassigned) */ |
6790 | if (state == DDB_DS_UNASSIGNED) | |
6791 | goto continue_next_st; | |
6792 | ||
13483730 MC |
6793 | /* Check if ST, add to the list_st */ |
6794 | if (strlen((char *) fw_ddb_entry->iscsi_name) != 0) | |
6795 | goto continue_next_st; | |
6796 | ||
6797 | st_ddb_idx = vzalloc(fw_idx_size); | |
6798 | if (!st_ddb_idx) | |
6799 | break; | |
6800 | ||
ad8bd45e MR |
6801 | ret = qla4xxx_find_flash_st_idx(ha, fw_ddb_entry, idx, |
6802 | &flash_index); | |
6803 | if (ret == QLA_ERROR) { | |
6804 | ql4_printk(KERN_ERR, ha, | |
6805 | "No flash entry for ST at idx [%d]\n", idx); | |
6806 | st_ddb_idx->flash_ddb_idx = idx; | |
6807 | } else { | |
6808 | ql4_printk(KERN_INFO, ha, | |
6809 | "ST at idx [%d] is stored at flash [%d]\n", | |
6810 | idx, flash_index); | |
6811 | st_ddb_idx->flash_ddb_idx = flash_index; | |
6812 | } | |
6813 | ||
13483730 MC |
6814 | st_ddb_idx->fw_ddb_idx = idx; |
6815 | ||
4a4bc2e9 | 6816 | list_add_tail(&st_ddb_idx->list, list_st); |
13483730 MC |
6817 | continue_next_st: |
6818 | if (next_idx == 0) | |
6819 | break; | |
6820 | } | |
6821 | ||
4a4bc2e9 LC |
6822 | exit_st_list: |
6823 | if (fw_ddb_entry) | |
6824 | dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); | |
6825 | } | |
6826 | ||
6827 | /** | |
6828 | * qla4xxx_remove_failed_ddb - Remove inactive or failed ddb from list | |
6829 | * @ha: pointer to adapter structure | |
6830 | * @list_ddb: List from which failed ddb to be removed | |
6831 | * | |
6832 | * Iterate over the list of DDBs and find and remove DDBs that are either in | |
6833 | * no connection active state or failed state | |
6834 | **/ | |
6835 | static void qla4xxx_remove_failed_ddb(struct scsi_qla_host *ha, | |
6836 | struct list_head *list_ddb) | |
6837 | { | |
6838 | struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; | |
6839 | uint32_t next_idx = 0; | |
6840 | uint32_t state = 0, conn_err = 0; | |
6841 | int ret; | |
6842 | ||
6843 | list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { | |
6844 | ret = qla4xxx_get_fwddb_entry(ha, ddb_idx->fw_ddb_idx, | |
6845 | NULL, 0, NULL, &next_idx, &state, | |
6846 | &conn_err, NULL, NULL); | |
6847 | if (ret == QLA_ERROR) | |
6848 | continue; | |
6849 | ||
6850 | if (state == DDB_DS_NO_CONNECTION_ACTIVE || | |
6851 | state == DDB_DS_SESSION_FAILED) { | |
6852 | list_del_init(&ddb_idx->list); | |
6853 | vfree(ddb_idx); | |
6854 | } | |
6855 | } | |
6856 | } | |
6857 | ||
ad8bd45e MR |
6858 | static void qla4xxx_update_sess_disc_idx(struct scsi_qla_host *ha, |
6859 | struct ddb_entry *ddb_entry, | |
6860 | struct dev_db_entry *fw_ddb_entry) | |
6861 | { | |
6862 | struct iscsi_cls_session *cls_sess; | |
6863 | struct iscsi_session *sess; | |
6864 | uint32_t max_ddbs = 0; | |
6865 | uint16_t ddb_link = -1; | |
6866 | ||
6867 | max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : | |
6868 | MAX_DEV_DB_ENTRIES; | |
6869 | ||
6870 | cls_sess = ddb_entry->sess; | |
6871 | sess = cls_sess->dd_data; | |
6872 | ||
6873 | ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); | |
6874 | if (ddb_link < max_ddbs) | |
6875 | sess->discovery_parent_idx = ddb_link; | |
6876 | else | |
6877 | sess->discovery_parent_idx = DDB_NO_LINK; | |
6878 | } | |
6879 | ||
4a4bc2e9 LC |
6880 | static int qla4xxx_sess_conn_setup(struct scsi_qla_host *ha, |
6881 | struct dev_db_entry *fw_ddb_entry, | |
1dc8ed5d | 6882 | int is_reset, uint16_t idx) |
4a4bc2e9 LC |
6883 | { |
6884 | struct iscsi_cls_session *cls_sess; | |
6885 | struct iscsi_session *sess; | |
6886 | struct iscsi_cls_conn *cls_conn; | |
6887 | struct iscsi_endpoint *ep; | |
6888 | uint16_t cmds_max = 32; | |
6889 | uint16_t conn_id = 0; | |
6890 | uint32_t initial_cmdsn = 0; | |
6891 | int ret = QLA_SUCCESS; | |
6892 | ||
6893 | struct ddb_entry *ddb_entry = NULL; | |
6894 | ||
6895 | /* Create session object, with INVALID_ENTRY, | |
6896 | * the targer_id would get set when we issue the login | |
13483730 | 6897 | */ |
4a4bc2e9 LC |
6898 | cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, ha->host, |
6899 | cmds_max, sizeof(struct ddb_entry), | |
6900 | sizeof(struct ql4_task_data), | |
6901 | initial_cmdsn, INVALID_ENTRY); | |
6902 | if (!cls_sess) { | |
6903 | ret = QLA_ERROR; | |
6904 | goto exit_setup; | |
6905 | } | |
13483730 | 6906 | |
4a4bc2e9 LC |
6907 | /* |
6908 | * so calling module_put function to decrement the | |
6909 | * reference count. | |
6910 | **/ | |
6911 | module_put(qla4xxx_iscsi_transport.owner); | |
6912 | sess = cls_sess->dd_data; | |
6913 | ddb_entry = sess->dd_data; | |
6914 | ddb_entry->sess = cls_sess; | |
6915 | ||
6916 | cls_sess->recovery_tmo = ql4xsess_recovery_tmo; | |
6917 | memcpy(&ddb_entry->fw_ddb_entry, fw_ddb_entry, | |
6918 | sizeof(struct dev_db_entry)); | |
6919 | ||
1dc8ed5d | 6920 | qla4xxx_setup_flash_ddb_entry(ha, ddb_entry, idx); |
4a4bc2e9 LC |
6921 | |
6922 | cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn), conn_id); | |
6923 | ||
6924 | if (!cls_conn) { | |
6925 | ret = QLA_ERROR; | |
6926 | goto exit_setup; | |
13483730 MC |
6927 | } |
6928 | ||
4a4bc2e9 | 6929 | ddb_entry->conn = cls_conn; |
13483730 | 6930 | |
4a4bc2e9 LC |
6931 | /* Setup ep, for displaying attributes in sysfs */ |
6932 | ep = qla4xxx_get_ep_fwdb(ha, fw_ddb_entry); | |
6933 | if (ep) { | |
6934 | ep->conn = cls_conn; | |
6935 | cls_conn->ep = ep; | |
6936 | } else { | |
6937 | DEBUG2(ql4_printk(KERN_ERR, ha, "Unable to get ep\n")); | |
6938 | ret = QLA_ERROR; | |
6939 | goto exit_setup; | |
6940 | } | |
13483730 | 6941 | |
4a4bc2e9 LC |
6942 | /* Update sess/conn params */ |
6943 | qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn); | |
ad8bd45e | 6944 | qla4xxx_update_sess_disc_idx(ha, ddb_entry, fw_ddb_entry); |
13483730 | 6945 | |
4a4bc2e9 LC |
6946 | if (is_reset == RESET_ADAPTER) { |
6947 | iscsi_block_session(cls_sess); | |
6948 | /* Use the relogin path to discover new devices | |
6949 | * by short-circuting the logic of setting | |
6950 | * timer to relogin - instead set the flags | |
6951 | * to initiate login right away. | |
6952 | */ | |
6953 | set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); | |
6954 | set_bit(DF_RELOGIN, &ddb_entry->flags); | |
6955 | } | |
6956 | ||
6957 | exit_setup: | |
6958 | return ret; | |
6959 | } | |
6960 | ||
ad8bd45e MR |
6961 | static void qla4xxx_update_fw_ddb_link(struct scsi_qla_host *ha, |
6962 | struct list_head *list_ddb, | |
6963 | struct dev_db_entry *fw_ddb_entry) | |
6964 | { | |
6965 | struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; | |
6966 | uint16_t ddb_link; | |
6967 | ||
6968 | ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); | |
6969 | ||
6970 | list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { | |
6971 | if (ddb_idx->fw_ddb_idx == ddb_link) { | |
6972 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
6973 | "Updating NT parent idx from [%d] to [%d]\n", | |
6974 | ddb_link, ddb_idx->flash_ddb_idx)); | |
6975 | fw_ddb_entry->ddb_link = | |
6976 | cpu_to_le16(ddb_idx->flash_ddb_idx); | |
6977 | return; | |
6978 | } | |
6979 | } | |
6980 | } | |
6981 | ||
4a4bc2e9 | 6982 | static void qla4xxx_build_nt_list(struct scsi_qla_host *ha, |
ad8bd45e MR |
6983 | struct list_head *list_nt, |
6984 | struct list_head *list_st, | |
6985 | int is_reset) | |
4a4bc2e9 LC |
6986 | { |
6987 | struct dev_db_entry *fw_ddb_entry; | |
ad8bd45e | 6988 | struct ddb_entry *ddb_entry = NULL; |
4a4bc2e9 LC |
6989 | dma_addr_t fw_ddb_dma; |
6990 | int max_ddbs; | |
6991 | int fw_idx_size; | |
6992 | int ret; | |
6993 | uint32_t idx = 0, next_idx = 0; | |
6994 | uint32_t state = 0, conn_err = 0; | |
ad8bd45e | 6995 | uint32_t ddb_idx = -1; |
4a4bc2e9 | 6996 | uint16_t conn_id = 0; |
ad8bd45e | 6997 | uint16_t ddb_link = -1; |
4a4bc2e9 LC |
6998 | struct qla_ddb_index *nt_ddb_idx; |
6999 | ||
7000 | fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, | |
7001 | &fw_ddb_dma); | |
7002 | if (fw_ddb_entry == NULL) { | |
7003 | DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); | |
7004 | goto exit_nt_list; | |
13483730 | 7005 | } |
4a4bc2e9 LC |
7006 | max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : |
7007 | MAX_DEV_DB_ENTRIES; | |
7008 | fw_idx_size = sizeof(struct qla_ddb_index); | |
13483730 MC |
7009 | |
7010 | for (idx = 0; idx < max_ddbs; idx = next_idx) { | |
4a4bc2e9 LC |
7011 | ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, |
7012 | NULL, &next_idx, &state, | |
7013 | &conn_err, NULL, &conn_id); | |
13483730 MC |
7014 | if (ret == QLA_ERROR) |
7015 | break; | |
7016 | ||
7017 | if (qla4xxx_verify_boot_idx(ha, idx) != QLA_SUCCESS) | |
7018 | goto continue_next_nt; | |
7019 | ||
7020 | /* Check if NT, then add to list it */ | |
7021 | if (strlen((char *) fw_ddb_entry->iscsi_name) == 0) | |
7022 | goto continue_next_nt; | |
7023 | ||
ad8bd45e MR |
7024 | ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); |
7025 | if (ddb_link < max_ddbs) | |
7026 | qla4xxx_update_fw_ddb_link(ha, list_st, fw_ddb_entry); | |
7027 | ||
4a4bc2e9 | 7028 | if (!(state == DDB_DS_NO_CONNECTION_ACTIVE || |
ad8bd45e MR |
7029 | state == DDB_DS_SESSION_FAILED) && |
7030 | (is_reset == INIT_ADAPTER)) | |
4a4bc2e9 | 7031 | goto continue_next_nt; |
13483730 | 7032 | |
4a4bc2e9 LC |
7033 | DEBUG2(ql4_printk(KERN_INFO, ha, |
7034 | "Adding DDB to session = 0x%x\n", idx)); | |
ad8bd45e | 7035 | |
4a4bc2e9 LC |
7036 | if (is_reset == INIT_ADAPTER) { |
7037 | nt_ddb_idx = vmalloc(fw_idx_size); | |
7038 | if (!nt_ddb_idx) | |
7039 | break; | |
13483730 | 7040 | |
4a4bc2e9 | 7041 | nt_ddb_idx->fw_ddb_idx = idx; |
13483730 | 7042 | |
1cb78d73 VC |
7043 | /* Copy original isid as it may get updated in function |
7044 | * qla4xxx_update_isid(). We need original isid in | |
7045 | * function qla4xxx_compare_tuple_ddb to find duplicate | |
7046 | * target */ | |
7047 | memcpy(&nt_ddb_idx->flash_isid[0], | |
7048 | &fw_ddb_entry->isid[0], | |
7049 | sizeof(nt_ddb_idx->flash_isid)); | |
7050 | ||
7051 | ret = qla4xxx_is_flash_ddb_exists(ha, list_nt, | |
7052 | fw_ddb_entry); | |
7053 | if (ret == QLA_SUCCESS) { | |
7054 | /* free nt_ddb_idx and do not add to list_nt */ | |
4a4bc2e9 LC |
7055 | vfree(nt_ddb_idx); |
7056 | goto continue_next_nt; | |
13483730 | 7057 | } |
1cb78d73 VC |
7058 | |
7059 | /* Copy updated isid */ | |
7060 | memcpy(&nt_ddb_idx->fw_ddb, fw_ddb_entry, | |
7061 | sizeof(struct dev_db_entry)); | |
7062 | ||
4a4bc2e9 LC |
7063 | list_add_tail(&nt_ddb_idx->list, list_nt); |
7064 | } else if (is_reset == RESET_ADAPTER) { | |
ad8bd45e MR |
7065 | ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, |
7066 | &ddb_idx); | |
7067 | if (ret == QLA_SUCCESS) { | |
7068 | ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, | |
7069 | ddb_idx); | |
7070 | if (ddb_entry != NULL) | |
7071 | qla4xxx_update_sess_disc_idx(ha, | |
7072 | ddb_entry, | |
7073 | fw_ddb_entry); | |
4a4bc2e9 | 7074 | goto continue_next_nt; |
ad8bd45e | 7075 | } |
13483730 | 7076 | } |
4a4bc2e9 | 7077 | |
1dc8ed5d | 7078 | ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, is_reset, idx); |
4a4bc2e9 LC |
7079 | if (ret == QLA_ERROR) |
7080 | goto exit_nt_list; | |
7081 | ||
13483730 MC |
7082 | continue_next_nt: |
7083 | if (next_idx == 0) | |
7084 | break; | |
7085 | } | |
4a4bc2e9 LC |
7086 | |
7087 | exit_nt_list: | |
13483730 MC |
7088 | if (fw_ddb_entry) |
7089 | dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); | |
4a4bc2e9 LC |
7090 | } |
7091 | ||
1e9e2be3 | 7092 | static void qla4xxx_build_new_nt_list(struct scsi_qla_host *ha, |
ad8bd45e MR |
7093 | struct list_head *list_nt, |
7094 | uint16_t target_id) | |
1e9e2be3 AC |
7095 | { |
7096 | struct dev_db_entry *fw_ddb_entry; | |
7097 | dma_addr_t fw_ddb_dma; | |
7098 | int max_ddbs; | |
7099 | int fw_idx_size; | |
7100 | int ret; | |
7101 | uint32_t idx = 0, next_idx = 0; | |
7102 | uint32_t state = 0, conn_err = 0; | |
7103 | uint16_t conn_id = 0; | |
7104 | struct qla_ddb_index *nt_ddb_idx; | |
7105 | ||
7106 | fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, | |
7107 | &fw_ddb_dma); | |
7108 | if (fw_ddb_entry == NULL) { | |
7109 | DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); | |
7110 | goto exit_new_nt_list; | |
7111 | } | |
7112 | max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : | |
7113 | MAX_DEV_DB_ENTRIES; | |
7114 | fw_idx_size = sizeof(struct qla_ddb_index); | |
7115 | ||
7116 | for (idx = 0; idx < max_ddbs; idx = next_idx) { | |
7117 | ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, | |
7118 | NULL, &next_idx, &state, | |
7119 | &conn_err, NULL, &conn_id); | |
7120 | if (ret == QLA_ERROR) | |
7121 | break; | |
7122 | ||
7123 | /* Check if NT, then add it to list */ | |
7124 | if (strlen((char *)fw_ddb_entry->iscsi_name) == 0) | |
7125 | goto continue_next_new_nt; | |
7126 | ||
7127 | if (!(state == DDB_DS_NO_CONNECTION_ACTIVE)) | |
7128 | goto continue_next_new_nt; | |
7129 | ||
7130 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
7131 | "Adding DDB to session = 0x%x\n", idx)); | |
7132 | ||
7133 | nt_ddb_idx = vmalloc(fw_idx_size); | |
7134 | if (!nt_ddb_idx) | |
7135 | break; | |
7136 | ||
7137 | nt_ddb_idx->fw_ddb_idx = idx; | |
7138 | ||
ad8bd45e | 7139 | ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, NULL); |
1e9e2be3 AC |
7140 | if (ret == QLA_SUCCESS) { |
7141 | /* free nt_ddb_idx and do not add to list_nt */ | |
7142 | vfree(nt_ddb_idx); | |
7143 | goto continue_next_new_nt; | |
7144 | } | |
7145 | ||
ad8bd45e MR |
7146 | if (target_id < max_ddbs) |
7147 | fw_ddb_entry->ddb_link = cpu_to_le16(target_id); | |
7148 | ||
1e9e2be3 AC |
7149 | list_add_tail(&nt_ddb_idx->list, list_nt); |
7150 | ||
7151 | ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, RESET_ADAPTER, | |
7152 | idx); | |
7153 | if (ret == QLA_ERROR) | |
7154 | goto exit_new_nt_list; | |
7155 | ||
7156 | continue_next_new_nt: | |
7157 | if (next_idx == 0) | |
7158 | break; | |
7159 | } | |
7160 | ||
7161 | exit_new_nt_list: | |
7162 | if (fw_ddb_entry) | |
7163 | dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); | |
7164 | } | |
7165 | ||
4a4bc2e9 | 7166 | /** |
1e9e2be3 AC |
7167 | * qla4xxx_sysfs_ddb_is_non_persistent - check for non-persistence of ddb entry |
7168 | * @dev: dev associated with the sysfs entry | |
7169 | * @data: pointer to flashnode session object | |
4a4bc2e9 | 7170 | * |
1e9e2be3 AC |
7171 | * Returns: |
7172 | * 1: if flashnode entry is non-persistent | |
7173 | * 0: if flashnode entry is persistent | |
4a4bc2e9 | 7174 | **/ |
1e9e2be3 | 7175 | static int qla4xxx_sysfs_ddb_is_non_persistent(struct device *dev, void *data) |
4a4bc2e9 | 7176 | { |
1e9e2be3 | 7177 | struct iscsi_bus_flash_session *fnode_sess; |
4a4bc2e9 | 7178 | |
1e9e2be3 AC |
7179 | if (!iscsi_flashnode_bus_match(dev, NULL)) |
7180 | return 0; | |
4a4bc2e9 | 7181 | |
1e9e2be3 | 7182 | fnode_sess = iscsi_dev_to_flash_session(dev); |
4a4bc2e9 | 7183 | |
1e9e2be3 AC |
7184 | return (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT); |
7185 | } | |
4a4bc2e9 | 7186 | |
1e9e2be3 AC |
7187 | /** |
7188 | * qla4xxx_sysfs_ddb_tgt_create - Create sysfs entry for target | |
7189 | * @ha: pointer to host | |
7190 | * @fw_ddb_entry: flash ddb data | |
7191 | * @idx: target index | |
7192 | * @user: if set then this call is made from userland else from kernel | |
7193 | * | |
7194 | * Returns: | |
7195 | * On sucess: QLA_SUCCESS | |
7196 | * On failure: QLA_ERROR | |
7197 | * | |
7198 | * This create separate sysfs entries for session and connection attributes of | |
7199 | * the given fw ddb entry. | |
7200 | * If this is invoked as a result of a userspace call then the entry is marked | |
7201 | * as nonpersistent using flash_state field. | |
7202 | **/ | |
28e02f1a VC |
7203 | static int qla4xxx_sysfs_ddb_tgt_create(struct scsi_qla_host *ha, |
7204 | struct dev_db_entry *fw_ddb_entry, | |
7205 | uint16_t *idx, int user) | |
1e9e2be3 AC |
7206 | { |
7207 | struct iscsi_bus_flash_session *fnode_sess = NULL; | |
7208 | struct iscsi_bus_flash_conn *fnode_conn = NULL; | |
7209 | int rc = QLA_ERROR; | |
4a4bc2e9 | 7210 | |
1e9e2be3 AC |
7211 | fnode_sess = iscsi_create_flashnode_sess(ha->host, *idx, |
7212 | &qla4xxx_iscsi_transport, 0); | |
7213 | if (!fnode_sess) { | |
7214 | ql4_printk(KERN_ERR, ha, | |
7215 | "%s: Unable to create session sysfs entry for flashnode %d of host%lu\n", | |
7216 | __func__, *idx, ha->host_no); | |
7217 | goto exit_tgt_create; | |
4a4bc2e9 LC |
7218 | } |
7219 | ||
1e9e2be3 AC |
7220 | fnode_conn = iscsi_create_flashnode_conn(ha->host, fnode_sess, |
7221 | &qla4xxx_iscsi_transport, 0); | |
7222 | if (!fnode_conn) { | |
7223 | ql4_printk(KERN_ERR, ha, | |
7224 | "%s: Unable to create conn sysfs entry for flashnode %d of host%lu\n", | |
7225 | __func__, *idx, ha->host_no); | |
7226 | goto free_sess; | |
7227 | } | |
c28eaaca | 7228 | |
1e9e2be3 AC |
7229 | if (user) { |
7230 | fnode_sess->flash_state = DEV_DB_NON_PERSISTENT; | |
7231 | } else { | |
7232 | fnode_sess->flash_state = DEV_DB_PERSISTENT; | |
4a4bc2e9 | 7233 | |
1e9e2be3 AC |
7234 | if (*idx == ha->pri_ddb_idx || *idx == ha->sec_ddb_idx) |
7235 | fnode_sess->is_boot_target = 1; | |
7236 | else | |
7237 | fnode_sess->is_boot_target = 0; | |
7238 | } | |
f1f2e60e | 7239 | |
1e9e2be3 AC |
7240 | rc = qla4xxx_copy_from_fwddb_param(fnode_sess, fnode_conn, |
7241 | fw_ddb_entry); | |
4a4bc2e9 | 7242 | |
1e9e2be3 AC |
7243 | ql4_printk(KERN_INFO, ha, "%s: sysfs entry %s created\n", |
7244 | __func__, fnode_sess->dev.kobj.name); | |
4a4bc2e9 | 7245 | |
1e9e2be3 AC |
7246 | ql4_printk(KERN_INFO, ha, "%s: sysfs entry %s created\n", |
7247 | __func__, fnode_conn->dev.kobj.name); | |
4a4bc2e9 | 7248 | |
1e9e2be3 | 7249 | return QLA_SUCCESS; |
13483730 | 7250 | |
1e9e2be3 AC |
7251 | free_sess: |
7252 | iscsi_destroy_flashnode_sess(fnode_sess); | |
7253 | ||
7254 | exit_tgt_create: | |
7255 | return QLA_ERROR; | |
13483730 MC |
7256 | } |
7257 | ||
1dc8ed5d | 7258 | /** |
1e9e2be3 AC |
7259 | * qla4xxx_sysfs_ddb_add - Add new ddb entry in flash |
7260 | * @shost: pointer to host | |
7261 | * @buf: type of ddb entry (ipv4/ipv6) | |
7262 | * @len: length of buf | |
1dc8ed5d | 7263 | * |
1e9e2be3 AC |
7264 | * This creates new ddb entry in the flash by finding first free index and |
7265 | * storing default ddb there. And then create sysfs entry for the new ddb entry. | |
1dc8ed5d | 7266 | **/ |
1e9e2be3 AC |
7267 | static int qla4xxx_sysfs_ddb_add(struct Scsi_Host *shost, const char *buf, |
7268 | int len) | |
1dc8ed5d | 7269 | { |
1e9e2be3 | 7270 | struct scsi_qla_host *ha = to_qla_host(shost); |
1dc8ed5d MR |
7271 | struct dev_db_entry *fw_ddb_entry = NULL; |
7272 | dma_addr_t fw_ddb_entry_dma; | |
1e9e2be3 AC |
7273 | struct device *dev; |
7274 | uint16_t idx = 0; | |
7275 | uint16_t max_ddbs = 0; | |
7276 | uint32_t options = 0; | |
7277 | uint32_t rval = QLA_ERROR; | |
7278 | ||
c962c18b AC |
7279 | if (strncasecmp(PORTAL_TYPE_IPV4, buf, 4) && |
7280 | strncasecmp(PORTAL_TYPE_IPV6, buf, 4)) { | |
1e9e2be3 AC |
7281 | DEBUG2(ql4_printk(KERN_ERR, ha, "%s: Invalid portal type\n", |
7282 | __func__)); | |
7283 | goto exit_ddb_add; | |
7284 | } | |
1dc8ed5d | 7285 | |
a957a7d7 | 7286 | max_ddbs = is_qla40XX(ha) ? MAX_PRST_DEV_DB_ENTRIES : |
1dc8ed5d MR |
7287 | MAX_DEV_DB_ENTRIES; |
7288 | ||
7289 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
7290 | &fw_ddb_entry_dma, GFP_KERNEL); | |
7291 | if (!fw_ddb_entry) { | |
1e9e2be3 AC |
7292 | DEBUG2(ql4_printk(KERN_ERR, ha, |
7293 | "%s: Unable to allocate dma buffer\n", | |
7294 | __func__)); | |
7295 | goto exit_ddb_add; | |
1dc8ed5d MR |
7296 | } |
7297 | ||
1e9e2be3 AC |
7298 | dev = iscsi_find_flashnode_sess(ha->host, NULL, |
7299 | qla4xxx_sysfs_ddb_is_non_persistent); | |
7300 | if (dev) { | |
7301 | ql4_printk(KERN_ERR, ha, | |
7302 | "%s: A non-persistent entry %s found\n", | |
7303 | __func__, dev->kobj.name); | |
8526cb11 | 7304 | put_device(dev); |
1e9e2be3 AC |
7305 | goto exit_ddb_add; |
7306 | } | |
1dc8ed5d | 7307 | |
99937574 AC |
7308 | /* Index 0 and 1 are reserved for boot target entries */ |
7309 | for (idx = 2; idx < max_ddbs; idx++) { | |
1e9e2be3 AC |
7310 | if (qla4xxx_flashdb_by_index(ha, fw_ddb_entry, |
7311 | fw_ddb_entry_dma, idx)) | |
7312 | break; | |
7313 | } | |
1dc8ed5d | 7314 | |
1e9e2be3 AC |
7315 | if (idx == max_ddbs) |
7316 | goto exit_ddb_add; | |
1dc8ed5d | 7317 | |
1e9e2be3 AC |
7318 | if (!strncasecmp("ipv6", buf, 4)) |
7319 | options |= IPV6_DEFAULT_DDB_ENTRY; | |
1dc8ed5d | 7320 | |
1e9e2be3 AC |
7321 | rval = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma); |
7322 | if (rval == QLA_ERROR) | |
7323 | goto exit_ddb_add; | |
1dc8ed5d | 7324 | |
1e9e2be3 | 7325 | rval = qla4xxx_sysfs_ddb_tgt_create(ha, fw_ddb_entry, &idx, 1); |
1dc8ed5d | 7326 | |
1e9e2be3 | 7327 | exit_ddb_add: |
1dc8ed5d MR |
7328 | if (fw_ddb_entry) |
7329 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
7330 | fw_ddb_entry, fw_ddb_entry_dma); | |
1e9e2be3 AC |
7331 | if (rval == QLA_SUCCESS) |
7332 | return idx; | |
7333 | else | |
7334 | return -EIO; | |
1dc8ed5d MR |
7335 | } |
7336 | ||
afaf5a2d | 7337 | /** |
1e9e2be3 AC |
7338 | * qla4xxx_sysfs_ddb_apply - write the target ddb contents to Flash |
7339 | * @fnode_sess: pointer to session attrs of flash ddb entry | |
7340 | * @fnode_conn: pointer to connection attrs of flash ddb entry | |
afaf5a2d | 7341 | * |
1e9e2be3 AC |
7342 | * This writes the contents of target ddb buffer to Flash with a valid cookie |
7343 | * value in order to make the ddb entry persistent. | |
afaf5a2d | 7344 | **/ |
1e9e2be3 AC |
7345 | static int qla4xxx_sysfs_ddb_apply(struct iscsi_bus_flash_session *fnode_sess, |
7346 | struct iscsi_bus_flash_conn *fnode_conn) | |
afaf5a2d | 7347 | { |
1e9e2be3 AC |
7348 | struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); |
7349 | struct scsi_qla_host *ha = to_qla_host(shost); | |
7350 | uint32_t dev_db_start_offset = FLASH_OFFSET_DB_INFO; | |
7351 | struct dev_db_entry *fw_ddb_entry = NULL; | |
7352 | dma_addr_t fw_ddb_entry_dma; | |
7353 | uint32_t options = 0; | |
7354 | int rval = 0; | |
afaf5a2d | 7355 | |
1e9e2be3 AC |
7356 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
7357 | &fw_ddb_entry_dma, GFP_KERNEL); | |
7358 | if (!fw_ddb_entry) { | |
7359 | DEBUG2(ql4_printk(KERN_ERR, ha, | |
7360 | "%s: Unable to allocate dma buffer\n", | |
7361 | __func__)); | |
7362 | rval = -ENOMEM; | |
7363 | goto exit_ddb_apply; | |
7364 | } | |
afaf5a2d | 7365 | |
c962c18b | 7366 | if (!strncasecmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
1e9e2be3 AC |
7367 | options |= IPV6_DEFAULT_DDB_ENTRY; |
7368 | ||
7369 | rval = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma); | |
7370 | if (rval == QLA_ERROR) | |
7371 | goto exit_ddb_apply; | |
7372 | ||
7373 | dev_db_start_offset += (fnode_sess->target_id * | |
7374 | sizeof(*fw_ddb_entry)); | |
7375 | ||
7376 | qla4xxx_copy_to_fwddb_param(fnode_sess, fnode_conn, fw_ddb_entry); | |
7377 | fw_ddb_entry->cookie = DDB_VALID_COOKIE; | |
7378 | ||
7379 | rval = qla4xxx_set_flash(ha, fw_ddb_entry_dma, dev_db_start_offset, | |
7380 | sizeof(*fw_ddb_entry), FLASH_OPT_RMW_COMMIT); | |
7381 | ||
7382 | if (rval == QLA_SUCCESS) { | |
7383 | fnode_sess->flash_state = DEV_DB_PERSISTENT; | |
7384 | ql4_printk(KERN_INFO, ha, | |
7385 | "%s: flash node %u of host %lu written to flash\n", | |
7386 | __func__, fnode_sess->target_id, ha->host_no); | |
7387 | } else { | |
7388 | rval = -EIO; | |
7389 | ql4_printk(KERN_ERR, ha, | |
7390 | "%s: Error while writing flash node %u of host %lu to flash\n", | |
7391 | __func__, fnode_sess->target_id, ha->host_no); | |
7392 | } | |
7393 | ||
7394 | exit_ddb_apply: | |
7395 | if (fw_ddb_entry) | |
7396 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
7397 | fw_ddb_entry, fw_ddb_entry_dma); | |
7398 | return rval; | |
7399 | } | |
7400 | ||
7401 | static ssize_t qla4xxx_sysfs_ddb_conn_open(struct scsi_qla_host *ha, | |
7402 | struct dev_db_entry *fw_ddb_entry, | |
7403 | uint16_t idx) | |
7404 | { | |
7405 | struct dev_db_entry *ddb_entry = NULL; | |
7406 | dma_addr_t ddb_entry_dma; | |
7407 | unsigned long wtime; | |
7408 | uint32_t mbx_sts = 0; | |
7409 | uint32_t state = 0, conn_err = 0; | |
7410 | uint16_t tmo = 0; | |
7411 | int ret = 0; | |
7412 | ||
7413 | ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*ddb_entry), | |
7414 | &ddb_entry_dma, GFP_KERNEL); | |
7415 | if (!ddb_entry) { | |
7416 | DEBUG2(ql4_printk(KERN_ERR, ha, | |
7417 | "%s: Unable to allocate dma buffer\n", | |
7418 | __func__)); | |
7419 | return QLA_ERROR; | |
7420 | } | |
7421 | ||
7422 | memcpy(ddb_entry, fw_ddb_entry, sizeof(*ddb_entry)); | |
7423 | ||
7424 | ret = qla4xxx_set_ddb_entry(ha, idx, ddb_entry_dma, &mbx_sts); | |
7425 | if (ret != QLA_SUCCESS) { | |
7426 | DEBUG2(ql4_printk(KERN_ERR, ha, | |
7427 | "%s: Unable to set ddb entry for index %d\n", | |
7428 | __func__, idx)); | |
7429 | goto exit_ddb_conn_open; | |
7430 | } | |
7431 | ||
7432 | qla4xxx_conn_open(ha, idx); | |
7433 | ||
7434 | /* To ensure that sendtargets is done, wait for at least 12 secs */ | |
7435 | tmo = ((ha->def_timeout > LOGIN_TOV) && | |
7436 | (ha->def_timeout < LOGIN_TOV * 10) ? | |
7437 | ha->def_timeout : LOGIN_TOV); | |
7438 | ||
7439 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
7440 | "Default time to wait for login to ddb %d\n", tmo)); | |
7441 | ||
7442 | wtime = jiffies + (HZ * tmo); | |
7443 | do { | |
7444 | ret = qla4xxx_get_fwddb_entry(ha, idx, NULL, 0, NULL, | |
7445 | NULL, &state, &conn_err, NULL, | |
7446 | NULL); | |
7447 | if (ret == QLA_ERROR) | |
7448 | continue; | |
7449 | ||
7450 | if (state == DDB_DS_NO_CONNECTION_ACTIVE || | |
7451 | state == DDB_DS_SESSION_FAILED) | |
7452 | break; | |
7453 | ||
7454 | schedule_timeout_uninterruptible(HZ / 10); | |
7455 | } while (time_after(wtime, jiffies)); | |
7456 | ||
7457 | exit_ddb_conn_open: | |
7458 | if (ddb_entry) | |
7459 | dma_free_coherent(&ha->pdev->dev, sizeof(*ddb_entry), | |
7460 | ddb_entry, ddb_entry_dma); | |
7461 | return ret; | |
7462 | } | |
7463 | ||
7464 | static int qla4xxx_ddb_login_st(struct scsi_qla_host *ha, | |
ad8bd45e MR |
7465 | struct dev_db_entry *fw_ddb_entry, |
7466 | uint16_t target_id) | |
1e9e2be3 AC |
7467 | { |
7468 | struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; | |
7469 | struct list_head list_nt; | |
7470 | uint16_t ddb_index; | |
7471 | int ret = 0; | |
7472 | ||
7473 | if (test_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags)) { | |
7474 | ql4_printk(KERN_WARNING, ha, | |
7475 | "%s: A discovery already in progress!\n", __func__); | |
7476 | return QLA_ERROR; | |
7477 | } | |
7478 | ||
7479 | INIT_LIST_HEAD(&list_nt); | |
7480 | ||
7481 | set_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags); | |
7482 | ||
7483 | ret = qla4xxx_get_ddb_index(ha, &ddb_index); | |
7484 | if (ret == QLA_ERROR) | |
7485 | goto exit_login_st_clr_bit; | |
7486 | ||
7487 | ret = qla4xxx_sysfs_ddb_conn_open(ha, fw_ddb_entry, ddb_index); | |
7488 | if (ret == QLA_ERROR) | |
7489 | goto exit_login_st; | |
7490 | ||
ad8bd45e | 7491 | qla4xxx_build_new_nt_list(ha, &list_nt, target_id); |
1e9e2be3 AC |
7492 | |
7493 | list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, &list_nt, list) { | |
7494 | list_del_init(&ddb_idx->list); | |
7495 | qla4xxx_clear_ddb_entry(ha, ddb_idx->fw_ddb_idx); | |
7496 | vfree(ddb_idx); | |
7497 | } | |
7498 | ||
7499 | exit_login_st: | |
7500 | if (qla4xxx_clear_ddb_entry(ha, ddb_index) == QLA_ERROR) { | |
7501 | ql4_printk(KERN_ERR, ha, | |
7502 | "Unable to clear DDB index = 0x%x\n", ddb_index); | |
7503 | } | |
7504 | ||
7505 | clear_bit(ddb_index, ha->ddb_idx_map); | |
7506 | ||
7507 | exit_login_st_clr_bit: | |
7508 | clear_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags); | |
7509 | return ret; | |
7510 | } | |
7511 | ||
7512 | static int qla4xxx_ddb_login_nt(struct scsi_qla_host *ha, | |
7513 | struct dev_db_entry *fw_ddb_entry, | |
7514 | uint16_t idx) | |
7515 | { | |
7516 | int ret = QLA_ERROR; | |
7517 | ||
ad8bd45e | 7518 | ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, NULL); |
1e9e2be3 AC |
7519 | if (ret != QLA_SUCCESS) |
7520 | ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, RESET_ADAPTER, | |
7521 | idx); | |
7522 | else | |
7523 | ret = -EPERM; | |
7524 | ||
7525 | return ret; | |
7526 | } | |
7527 | ||
7528 | /** | |
7529 | * qla4xxx_sysfs_ddb_login - Login to the specified target | |
7530 | * @fnode_sess: pointer to session attrs of flash ddb entry | |
7531 | * @fnode_conn: pointer to connection attrs of flash ddb entry | |
7532 | * | |
7533 | * This logs in to the specified target | |
7534 | **/ | |
7535 | static int qla4xxx_sysfs_ddb_login(struct iscsi_bus_flash_session *fnode_sess, | |
7536 | struct iscsi_bus_flash_conn *fnode_conn) | |
7537 | { | |
7538 | struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); | |
7539 | struct scsi_qla_host *ha = to_qla_host(shost); | |
7540 | struct dev_db_entry *fw_ddb_entry = NULL; | |
7541 | dma_addr_t fw_ddb_entry_dma; | |
7542 | uint32_t options = 0; | |
7543 | int ret = 0; | |
7544 | ||
7545 | if (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT) { | |
7546 | ql4_printk(KERN_ERR, ha, | |
7547 | "%s: Target info is not persistent\n", __func__); | |
7548 | ret = -EIO; | |
7549 | goto exit_ddb_login; | |
7550 | } | |
7551 | ||
7552 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
7553 | &fw_ddb_entry_dma, GFP_KERNEL); | |
7554 | if (!fw_ddb_entry) { | |
7555 | DEBUG2(ql4_printk(KERN_ERR, ha, | |
7556 | "%s: Unable to allocate dma buffer\n", | |
7557 | __func__)); | |
7558 | ret = -ENOMEM; | |
7559 | goto exit_ddb_login; | |
7560 | } | |
7561 | ||
c962c18b | 7562 | if (!strncasecmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
1e9e2be3 AC |
7563 | options |= IPV6_DEFAULT_DDB_ENTRY; |
7564 | ||
7565 | ret = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma); | |
7566 | if (ret == QLA_ERROR) | |
7567 | goto exit_ddb_login; | |
7568 | ||
7569 | qla4xxx_copy_to_fwddb_param(fnode_sess, fnode_conn, fw_ddb_entry); | |
7570 | fw_ddb_entry->cookie = DDB_VALID_COOKIE; | |
7571 | ||
7572 | if (strlen((char *)fw_ddb_entry->iscsi_name) == 0) | |
ad8bd45e MR |
7573 | ret = qla4xxx_ddb_login_st(ha, fw_ddb_entry, |
7574 | fnode_sess->target_id); | |
1e9e2be3 AC |
7575 | else |
7576 | ret = qla4xxx_ddb_login_nt(ha, fw_ddb_entry, | |
7577 | fnode_sess->target_id); | |
7578 | ||
7579 | if (ret > 0) | |
7580 | ret = -EIO; | |
7581 | ||
7582 | exit_ddb_login: | |
7583 | if (fw_ddb_entry) | |
7584 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
7585 | fw_ddb_entry, fw_ddb_entry_dma); | |
7586 | return ret; | |
7587 | } | |
7588 | ||
7589 | /** | |
7590 | * qla4xxx_sysfs_ddb_logout_sid - Logout session for the specified target | |
7591 | * @cls_sess: pointer to session to be logged out | |
7592 | * | |
7593 | * This performs session log out from the specified target | |
7594 | **/ | |
7595 | static int qla4xxx_sysfs_ddb_logout_sid(struct iscsi_cls_session *cls_sess) | |
7596 | { | |
7597 | struct iscsi_session *sess; | |
7598 | struct ddb_entry *ddb_entry = NULL; | |
7599 | struct scsi_qla_host *ha; | |
7600 | struct dev_db_entry *fw_ddb_entry = NULL; | |
7601 | dma_addr_t fw_ddb_entry_dma; | |
7602 | unsigned long flags; | |
7603 | unsigned long wtime; | |
7604 | uint32_t ddb_state; | |
7605 | int options; | |
7606 | int ret = 0; | |
7607 | ||
7608 | sess = cls_sess->dd_data; | |
7609 | ddb_entry = sess->dd_data; | |
7610 | ha = ddb_entry->ha; | |
7611 | ||
7612 | if (ddb_entry->ddb_type != FLASH_DDB) { | |
7613 | ql4_printk(KERN_ERR, ha, "%s: Not a flash node session\n", | |
7614 | __func__); | |
7615 | ret = -ENXIO; | |
7616 | goto exit_ddb_logout; | |
7617 | } | |
7618 | ||
37719c2a AC |
7619 | if (test_bit(DF_BOOT_TGT, &ddb_entry->flags)) { |
7620 | ql4_printk(KERN_ERR, ha, | |
7621 | "%s: Logout from boot target entry is not permitted.\n", | |
7622 | __func__); | |
7623 | ret = -EPERM; | |
7624 | goto exit_ddb_logout; | |
7625 | } | |
7626 | ||
1e9e2be3 AC |
7627 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
7628 | &fw_ddb_entry_dma, GFP_KERNEL); | |
7629 | if (!fw_ddb_entry) { | |
7630 | ql4_printk(KERN_ERR, ha, | |
7631 | "%s: Unable to allocate dma buffer\n", __func__); | |
7632 | ret = -ENOMEM; | |
7633 | goto exit_ddb_logout; | |
7634 | } | |
7635 | ||
99c6a33b AC |
7636 | if (test_and_set_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags)) |
7637 | goto ddb_logout_init; | |
7638 | ||
7639 | ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, | |
7640 | fw_ddb_entry, fw_ddb_entry_dma, | |
7641 | NULL, NULL, &ddb_state, NULL, | |
7642 | NULL, NULL); | |
7643 | if (ret == QLA_ERROR) | |
7644 | goto ddb_logout_init; | |
7645 | ||
7646 | if (ddb_state == DDB_DS_SESSION_ACTIVE) | |
7647 | goto ddb_logout_init; | |
7648 | ||
7649 | /* wait until next relogin is triggered using DF_RELOGIN and | |
7650 | * clear DF_RELOGIN to avoid invocation of further relogin | |
7651 | */ | |
7652 | wtime = jiffies + (HZ * RELOGIN_TOV); | |
7653 | do { | |
7654 | if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags)) | |
7655 | goto ddb_logout_init; | |
7656 | ||
7657 | schedule_timeout_uninterruptible(HZ); | |
7658 | } while ((time_after(wtime, jiffies))); | |
7659 | ||
7660 | ddb_logout_init: | |
7661 | atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY); | |
7662 | atomic_set(&ddb_entry->relogin_timer, 0); | |
7663 | ||
7664 | options = LOGOUT_OPTION_CLOSE_SESSION; | |
7665 | qla4xxx_session_logout_ddb(ha, ddb_entry, options); | |
7666 | ||
7667 | memset(fw_ddb_entry, 0, sizeof(*fw_ddb_entry)); | |
1e9e2be3 AC |
7668 | wtime = jiffies + (HZ * LOGOUT_TOV); |
7669 | do { | |
7670 | ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, | |
7671 | fw_ddb_entry, fw_ddb_entry_dma, | |
7672 | NULL, NULL, &ddb_state, NULL, | |
7673 | NULL, NULL); | |
7674 | if (ret == QLA_ERROR) | |
7675 | goto ddb_logout_clr_sess; | |
7676 | ||
7677 | if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) || | |
7678 | (ddb_state == DDB_DS_SESSION_FAILED)) | |
7679 | goto ddb_logout_clr_sess; | |
7680 | ||
7681 | schedule_timeout_uninterruptible(HZ); | |
7682 | } while ((time_after(wtime, jiffies))); | |
7683 | ||
7684 | ddb_logout_clr_sess: | |
7685 | qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); | |
7686 | /* | |
7687 | * we have decremented the reference count of the driver | |
7688 | * when we setup the session to have the driver unload | |
7689 | * to be seamless without actually destroying the | |
7690 | * session | |
7691 | **/ | |
7692 | try_module_get(qla4xxx_iscsi_transport.owner); | |
7693 | iscsi_destroy_endpoint(ddb_entry->conn->ep); | |
7694 | ||
7695 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
7696 | qla4xxx_free_ddb(ha, ddb_entry); | |
99c6a33b | 7697 | clear_bit(ddb_entry->fw_ddb_index, ha->ddb_idx_map); |
1e9e2be3 AC |
7698 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
7699 | ||
7700 | iscsi_session_teardown(ddb_entry->sess); | |
7701 | ||
99c6a33b | 7702 | clear_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags); |
1e9e2be3 AC |
7703 | ret = QLA_SUCCESS; |
7704 | ||
7705 | exit_ddb_logout: | |
7706 | if (fw_ddb_entry) | |
7707 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
7708 | fw_ddb_entry, fw_ddb_entry_dma); | |
7709 | return ret; | |
7710 | } | |
7711 | ||
7712 | /** | |
7713 | * qla4xxx_sysfs_ddb_logout - Logout from the specified target | |
7714 | * @fnode_sess: pointer to session attrs of flash ddb entry | |
7715 | * @fnode_conn: pointer to connection attrs of flash ddb entry | |
7716 | * | |
7717 | * This performs log out from the specified target | |
7718 | **/ | |
7719 | static int qla4xxx_sysfs_ddb_logout(struct iscsi_bus_flash_session *fnode_sess, | |
7720 | struct iscsi_bus_flash_conn *fnode_conn) | |
7721 | { | |
7722 | struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); | |
7723 | struct scsi_qla_host *ha = to_qla_host(shost); | |
7724 | struct ql4_tuple_ddb *flash_tddb = NULL; | |
7725 | struct ql4_tuple_ddb *tmp_tddb = NULL; | |
7726 | struct dev_db_entry *fw_ddb_entry = NULL; | |
7727 | struct ddb_entry *ddb_entry = NULL; | |
7728 | dma_addr_t fw_ddb_dma; | |
7729 | uint32_t next_idx = 0; | |
7730 | uint32_t state = 0, conn_err = 0; | |
7731 | uint16_t conn_id = 0; | |
7732 | int idx, index; | |
7733 | int status, ret = 0; | |
7734 | ||
7735 | fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, | |
7736 | &fw_ddb_dma); | |
7737 | if (fw_ddb_entry == NULL) { | |
7738 | ql4_printk(KERN_ERR, ha, "%s:Out of memory\n", __func__); | |
7739 | ret = -ENOMEM; | |
7740 | goto exit_ddb_logout; | |
7741 | } | |
7742 | ||
7743 | flash_tddb = vzalloc(sizeof(*flash_tddb)); | |
7744 | if (!flash_tddb) { | |
7745 | ql4_printk(KERN_WARNING, ha, | |
7746 | "%s:Memory Allocation failed.\n", __func__); | |
7747 | ret = -ENOMEM; | |
7748 | goto exit_ddb_logout; | |
7749 | } | |
7750 | ||
7751 | tmp_tddb = vzalloc(sizeof(*tmp_tddb)); | |
7752 | if (!tmp_tddb) { | |
7753 | ql4_printk(KERN_WARNING, ha, | |
7754 | "%s:Memory Allocation failed.\n", __func__); | |
7755 | ret = -ENOMEM; | |
7756 | goto exit_ddb_logout; | |
7757 | } | |
7758 | ||
7759 | if (!fnode_sess->targetname) { | |
7760 | ql4_printk(KERN_ERR, ha, | |
7761 | "%s:Cannot logout from SendTarget entry\n", | |
7762 | __func__); | |
7763 | ret = -EPERM; | |
7764 | goto exit_ddb_logout; | |
7765 | } | |
7766 | ||
7767 | if (fnode_sess->is_boot_target) { | |
7768 | ql4_printk(KERN_ERR, ha, | |
7769 | "%s: Logout from boot target entry is not permitted.\n", | |
7770 | __func__); | |
7771 | ret = -EPERM; | |
7772 | goto exit_ddb_logout; | |
7773 | } | |
7774 | ||
bdbb9662 | 7775 | strlcpy(flash_tddb->iscsi_name, fnode_sess->targetname, |
1e9e2be3 AC |
7776 | ISCSI_NAME_SIZE); |
7777 | ||
c962c18b | 7778 | if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
1e9e2be3 AC |
7779 | sprintf(flash_tddb->ip_addr, "%pI6", fnode_conn->ipaddress); |
7780 | else | |
7781 | sprintf(flash_tddb->ip_addr, "%pI4", fnode_conn->ipaddress); | |
7782 | ||
7783 | flash_tddb->tpgt = fnode_sess->tpgt; | |
7784 | flash_tddb->port = fnode_conn->port; | |
7785 | ||
7786 | COPY_ISID(flash_tddb->isid, fnode_sess->isid); | |
7787 | ||
7788 | for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { | |
7789 | ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); | |
7790 | if (ddb_entry == NULL) | |
7791 | continue; | |
7792 | ||
7793 | if (ddb_entry->ddb_type != FLASH_DDB) | |
7794 | continue; | |
7795 | ||
7796 | index = ddb_entry->sess->target_id; | |
7797 | status = qla4xxx_get_fwddb_entry(ha, index, fw_ddb_entry, | |
7798 | fw_ddb_dma, NULL, &next_idx, | |
7799 | &state, &conn_err, NULL, | |
7800 | &conn_id); | |
7801 | if (status == QLA_ERROR) { | |
7802 | ret = -ENOMEM; | |
7803 | break; | |
7804 | } | |
7805 | ||
7806 | qla4xxx_convert_param_ddb(fw_ddb_entry, tmp_tddb, NULL); | |
7807 | ||
7808 | status = qla4xxx_compare_tuple_ddb(ha, flash_tddb, tmp_tddb, | |
7809 | true); | |
7810 | if (status == QLA_SUCCESS) { | |
7811 | ret = qla4xxx_sysfs_ddb_logout_sid(ddb_entry->sess); | |
7812 | break; | |
7813 | } | |
7814 | } | |
7815 | ||
7816 | if (idx == MAX_DDB_ENTRIES) | |
7817 | ret = -ESRCH; | |
7818 | ||
7819 | exit_ddb_logout: | |
7820 | if (flash_tddb) | |
7821 | vfree(flash_tddb); | |
7822 | if (tmp_tddb) | |
7823 | vfree(tmp_tddb); | |
7824 | if (fw_ddb_entry) | |
7825 | dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); | |
7826 | ||
7827 | return ret; | |
7828 | } | |
7829 | ||
7830 | static int | |
7831 | qla4xxx_sysfs_ddb_get_param(struct iscsi_bus_flash_session *fnode_sess, | |
7832 | int param, char *buf) | |
7833 | { | |
7834 | struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); | |
7835 | struct scsi_qla_host *ha = to_qla_host(shost); | |
7836 | struct iscsi_bus_flash_conn *fnode_conn; | |
7837 | struct ql4_chap_table chap_tbl; | |
7838 | struct device *dev; | |
a2f76636 | 7839 | int parent_type; |
1e9e2be3 AC |
7840 | int rc = 0; |
7841 | ||
8526cb11 | 7842 | dev = iscsi_find_flashnode_conn(fnode_sess); |
1e9e2be3 AC |
7843 | if (!dev) |
7844 | return -EIO; | |
7845 | ||
7846 | fnode_conn = iscsi_dev_to_flash_conn(dev); | |
7847 | ||
7848 | switch (param) { | |
7849 | case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6: | |
7850 | rc = sprintf(buf, "%u\n", fnode_conn->is_fw_assigned_ipv6); | |
7851 | break; | |
7852 | case ISCSI_FLASHNODE_PORTAL_TYPE: | |
7853 | rc = sprintf(buf, "%s\n", fnode_sess->portal_type); | |
7854 | break; | |
7855 | case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE: | |
7856 | rc = sprintf(buf, "%u\n", fnode_sess->auto_snd_tgt_disable); | |
7857 | break; | |
7858 | case ISCSI_FLASHNODE_DISCOVERY_SESS: | |
7859 | rc = sprintf(buf, "%u\n", fnode_sess->discovery_sess); | |
7860 | break; | |
7861 | case ISCSI_FLASHNODE_ENTRY_EN: | |
7862 | rc = sprintf(buf, "%u\n", fnode_sess->entry_state); | |
7863 | break; | |
7864 | case ISCSI_FLASHNODE_HDR_DGST_EN: | |
7865 | rc = sprintf(buf, "%u\n", fnode_conn->hdrdgst_en); | |
7866 | break; | |
7867 | case ISCSI_FLASHNODE_DATA_DGST_EN: | |
7868 | rc = sprintf(buf, "%u\n", fnode_conn->datadgst_en); | |
7869 | break; | |
7870 | case ISCSI_FLASHNODE_IMM_DATA_EN: | |
7871 | rc = sprintf(buf, "%u\n", fnode_sess->imm_data_en); | |
7872 | break; | |
7873 | case ISCSI_FLASHNODE_INITIAL_R2T_EN: | |
7874 | rc = sprintf(buf, "%u\n", fnode_sess->initial_r2t_en); | |
7875 | break; | |
7876 | case ISCSI_FLASHNODE_DATASEQ_INORDER: | |
7877 | rc = sprintf(buf, "%u\n", fnode_sess->dataseq_inorder_en); | |
7878 | break; | |
7879 | case ISCSI_FLASHNODE_PDU_INORDER: | |
7880 | rc = sprintf(buf, "%u\n", fnode_sess->pdu_inorder_en); | |
7881 | break; | |
7882 | case ISCSI_FLASHNODE_CHAP_AUTH_EN: | |
7883 | rc = sprintf(buf, "%u\n", fnode_sess->chap_auth_en); | |
7884 | break; | |
7885 | case ISCSI_FLASHNODE_SNACK_REQ_EN: | |
7886 | rc = sprintf(buf, "%u\n", fnode_conn->snack_req_en); | |
7887 | break; | |
7888 | case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN: | |
7889 | rc = sprintf(buf, "%u\n", fnode_sess->discovery_logout_en); | |
7890 | break; | |
7891 | case ISCSI_FLASHNODE_BIDI_CHAP_EN: | |
7892 | rc = sprintf(buf, "%u\n", fnode_sess->bidi_chap_en); | |
7893 | break; | |
7894 | case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL: | |
7895 | rc = sprintf(buf, "%u\n", fnode_sess->discovery_auth_optional); | |
7896 | break; | |
7897 | case ISCSI_FLASHNODE_ERL: | |
7898 | rc = sprintf(buf, "%u\n", fnode_sess->erl); | |
7899 | break; | |
7900 | case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT: | |
7901 | rc = sprintf(buf, "%u\n", fnode_conn->tcp_timestamp_stat); | |
7902 | break; | |
7903 | case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE: | |
7904 | rc = sprintf(buf, "%u\n", fnode_conn->tcp_nagle_disable); | |
7905 | break; | |
7906 | case ISCSI_FLASHNODE_TCP_WSF_DISABLE: | |
7907 | rc = sprintf(buf, "%u\n", fnode_conn->tcp_wsf_disable); | |
7908 | break; | |
7909 | case ISCSI_FLASHNODE_TCP_TIMER_SCALE: | |
7910 | rc = sprintf(buf, "%u\n", fnode_conn->tcp_timer_scale); | |
7911 | break; | |
7912 | case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN: | |
7913 | rc = sprintf(buf, "%u\n", fnode_conn->tcp_timestamp_en); | |
7914 | break; | |
7915 | case ISCSI_FLASHNODE_IP_FRAG_DISABLE: | |
7916 | rc = sprintf(buf, "%u\n", fnode_conn->fragment_disable); | |
7917 | break; | |
7918 | case ISCSI_FLASHNODE_MAX_RECV_DLENGTH: | |
7919 | rc = sprintf(buf, "%u\n", fnode_conn->max_recv_dlength); | |
7920 | break; | |
7921 | case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH: | |
7922 | rc = sprintf(buf, "%u\n", fnode_conn->max_xmit_dlength); | |
7923 | break; | |
7924 | case ISCSI_FLASHNODE_FIRST_BURST: | |
7925 | rc = sprintf(buf, "%u\n", fnode_sess->first_burst); | |
7926 | break; | |
7927 | case ISCSI_FLASHNODE_DEF_TIME2WAIT: | |
7928 | rc = sprintf(buf, "%u\n", fnode_sess->time2wait); | |
7929 | break; | |
7930 | case ISCSI_FLASHNODE_DEF_TIME2RETAIN: | |
7931 | rc = sprintf(buf, "%u\n", fnode_sess->time2retain); | |
7932 | break; | |
7933 | case ISCSI_FLASHNODE_MAX_R2T: | |
7934 | rc = sprintf(buf, "%u\n", fnode_sess->max_r2t); | |
7935 | break; | |
7936 | case ISCSI_FLASHNODE_KEEPALIVE_TMO: | |
7937 | rc = sprintf(buf, "%u\n", fnode_conn->keepalive_timeout); | |
7938 | break; | |
7939 | case ISCSI_FLASHNODE_ISID: | |
d1d81bd0 | 7940 | rc = sprintf(buf, "%pm\n", fnode_sess->isid); |
1e9e2be3 AC |
7941 | break; |
7942 | case ISCSI_FLASHNODE_TSID: | |
7943 | rc = sprintf(buf, "%u\n", fnode_sess->tsid); | |
7944 | break; | |
7945 | case ISCSI_FLASHNODE_PORT: | |
7946 | rc = sprintf(buf, "%d\n", fnode_conn->port); | |
7947 | break; | |
7948 | case ISCSI_FLASHNODE_MAX_BURST: | |
7949 | rc = sprintf(buf, "%u\n", fnode_sess->max_burst); | |
7950 | break; | |
7951 | case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO: | |
7952 | rc = sprintf(buf, "%u\n", | |
7953 | fnode_sess->default_taskmgmt_timeout); | |
7954 | break; | |
7955 | case ISCSI_FLASHNODE_IPADDR: | |
c962c18b | 7956 | if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
1e9e2be3 AC |
7957 | rc = sprintf(buf, "%pI6\n", fnode_conn->ipaddress); |
7958 | else | |
7959 | rc = sprintf(buf, "%pI4\n", fnode_conn->ipaddress); | |
7960 | break; | |
7961 | case ISCSI_FLASHNODE_ALIAS: | |
7962 | if (fnode_sess->targetalias) | |
7963 | rc = sprintf(buf, "%s\n", fnode_sess->targetalias); | |
7964 | else | |
7965 | rc = sprintf(buf, "\n"); | |
7966 | break; | |
7967 | case ISCSI_FLASHNODE_REDIRECT_IPADDR: | |
c962c18b | 7968 | if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
1e9e2be3 AC |
7969 | rc = sprintf(buf, "%pI6\n", |
7970 | fnode_conn->redirect_ipaddr); | |
7971 | else | |
7972 | rc = sprintf(buf, "%pI4\n", | |
7973 | fnode_conn->redirect_ipaddr); | |
7974 | break; | |
7975 | case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE: | |
7976 | rc = sprintf(buf, "%u\n", fnode_conn->max_segment_size); | |
7977 | break; | |
7978 | case ISCSI_FLASHNODE_LOCAL_PORT: | |
7979 | rc = sprintf(buf, "%u\n", fnode_conn->local_port); | |
7980 | break; | |
7981 | case ISCSI_FLASHNODE_IPV4_TOS: | |
7982 | rc = sprintf(buf, "%u\n", fnode_conn->ipv4_tos); | |
7983 | break; | |
7984 | case ISCSI_FLASHNODE_IPV6_TC: | |
c962c18b | 7985 | if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
1e9e2be3 AC |
7986 | rc = sprintf(buf, "%u\n", |
7987 | fnode_conn->ipv6_traffic_class); | |
7988 | else | |
7989 | rc = sprintf(buf, "\n"); | |
7990 | break; | |
7991 | case ISCSI_FLASHNODE_IPV6_FLOW_LABEL: | |
7992 | rc = sprintf(buf, "%u\n", fnode_conn->ipv6_flow_label); | |
7993 | break; | |
7994 | case ISCSI_FLASHNODE_LINK_LOCAL_IPV6: | |
c962c18b | 7995 | if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
1e9e2be3 AC |
7996 | rc = sprintf(buf, "%pI6\n", |
7997 | fnode_conn->link_local_ipv6_addr); | |
7998 | else | |
7999 | rc = sprintf(buf, "\n"); | |
8000 | break; | |
8001 | case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX: | |
a2f76636 | 8002 | rc = sprintf(buf, "%u\n", fnode_sess->discovery_parent_idx); |
1e9e2be3 AC |
8003 | break; |
8004 | case ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE: | |
8005 | if (fnode_sess->discovery_parent_type == DDB_ISNS) | |
8006 | parent_type = ISCSI_DISC_PARENT_ISNS; | |
8007 | else if (fnode_sess->discovery_parent_type == DDB_NO_LINK) | |
8008 | parent_type = ISCSI_DISC_PARENT_UNKNOWN; | |
b6130cea | 8009 | else if (fnode_sess->discovery_parent_type < MAX_DDB_ENTRIES) |
1e9e2be3 AC |
8010 | parent_type = ISCSI_DISC_PARENT_SENDTGT; |
8011 | else | |
8012 | parent_type = ISCSI_DISC_PARENT_UNKNOWN; | |
8013 | ||
8014 | rc = sprintf(buf, "%s\n", | |
8015 | iscsi_get_discovery_parent_name(parent_type)); | |
8016 | break; | |
8017 | case ISCSI_FLASHNODE_NAME: | |
8018 | if (fnode_sess->targetname) | |
8019 | rc = sprintf(buf, "%s\n", fnode_sess->targetname); | |
8020 | else | |
8021 | rc = sprintf(buf, "\n"); | |
8022 | break; | |
8023 | case ISCSI_FLASHNODE_TPGT: | |
8024 | rc = sprintf(buf, "%u\n", fnode_sess->tpgt); | |
8025 | break; | |
8026 | case ISCSI_FLASHNODE_TCP_XMIT_WSF: | |
8027 | rc = sprintf(buf, "%u\n", fnode_conn->tcp_xmit_wsf); | |
8028 | break; | |
8029 | case ISCSI_FLASHNODE_TCP_RECV_WSF: | |
8030 | rc = sprintf(buf, "%u\n", fnode_conn->tcp_recv_wsf); | |
8031 | break; | |
8032 | case ISCSI_FLASHNODE_CHAP_OUT_IDX: | |
8033 | rc = sprintf(buf, "%u\n", fnode_sess->chap_out_idx); | |
8034 | break; | |
8035 | case ISCSI_FLASHNODE_USERNAME: | |
8036 | if (fnode_sess->chap_auth_en) { | |
8037 | qla4xxx_get_uni_chap_at_index(ha, | |
8038 | chap_tbl.name, | |
8039 | chap_tbl.secret, | |
8040 | fnode_sess->chap_out_idx); | |
8041 | rc = sprintf(buf, "%s\n", chap_tbl.name); | |
8042 | } else { | |
8043 | rc = sprintf(buf, "\n"); | |
8044 | } | |
8045 | break; | |
8046 | case ISCSI_FLASHNODE_PASSWORD: | |
8047 | if (fnode_sess->chap_auth_en) { | |
8048 | qla4xxx_get_uni_chap_at_index(ha, | |
8049 | chap_tbl.name, | |
8050 | chap_tbl.secret, | |
8051 | fnode_sess->chap_out_idx); | |
8052 | rc = sprintf(buf, "%s\n", chap_tbl.secret); | |
8053 | } else { | |
8054 | rc = sprintf(buf, "\n"); | |
8055 | } | |
8056 | break; | |
8057 | case ISCSI_FLASHNODE_STATSN: | |
8058 | rc = sprintf(buf, "%u\n", fnode_conn->statsn); | |
8059 | break; | |
8060 | case ISCSI_FLASHNODE_EXP_STATSN: | |
8061 | rc = sprintf(buf, "%u\n", fnode_conn->exp_statsn); | |
8062 | break; | |
8063 | case ISCSI_FLASHNODE_IS_BOOT_TGT: | |
8064 | rc = sprintf(buf, "%u\n", fnode_sess->is_boot_target); | |
8065 | break; | |
8066 | default: | |
8067 | rc = -ENOSYS; | |
8068 | break; | |
8069 | } | |
8526cb11 MC |
8070 | |
8071 | put_device(dev); | |
1e9e2be3 AC |
8072 | return rc; |
8073 | } | |
8074 | ||
8075 | /** | |
8076 | * qla4xxx_sysfs_ddb_set_param - Set parameter for firmware DDB entry | |
8077 | * @fnode_sess: pointer to session attrs of flash ddb entry | |
8078 | * @fnode_conn: pointer to connection attrs of flash ddb entry | |
8079 | * @data: Parameters and their values to update | |
8080 | * @len: len of data | |
8081 | * | |
8082 | * This sets the parameter of flash ddb entry and writes them to flash | |
8083 | **/ | |
8084 | static int | |
8085 | qla4xxx_sysfs_ddb_set_param(struct iscsi_bus_flash_session *fnode_sess, | |
8086 | struct iscsi_bus_flash_conn *fnode_conn, | |
8087 | void *data, int len) | |
8088 | { | |
8089 | struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); | |
8090 | struct scsi_qla_host *ha = to_qla_host(shost); | |
1e9e2be3 | 8091 | struct iscsi_flashnode_param_info *fnode_param; |
244c079b | 8092 | struct ql4_chap_table chap_tbl; |
1e9e2be3 | 8093 | struct nlattr *attr; |
244c079b | 8094 | uint16_t chap_out_idx = INVALID_ENTRY; |
1e9e2be3 AC |
8095 | int rc = QLA_ERROR; |
8096 | uint32_t rem = len; | |
8097 | ||
244c079b | 8098 | memset((void *)&chap_tbl, 0, sizeof(chap_tbl)); |
1e9e2be3 AC |
8099 | nla_for_each_attr(attr, data, len, rem) { |
8100 | fnode_param = nla_data(attr); | |
8101 | ||
8102 | switch (fnode_param->param) { | |
8103 | case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6: | |
8104 | fnode_conn->is_fw_assigned_ipv6 = fnode_param->value[0]; | |
8105 | break; | |
8106 | case ISCSI_FLASHNODE_PORTAL_TYPE: | |
8107 | memcpy(fnode_sess->portal_type, fnode_param->value, | |
8108 | strlen(fnode_sess->portal_type)); | |
8109 | break; | |
8110 | case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE: | |
8111 | fnode_sess->auto_snd_tgt_disable = | |
8112 | fnode_param->value[0]; | |
8113 | break; | |
8114 | case ISCSI_FLASHNODE_DISCOVERY_SESS: | |
8115 | fnode_sess->discovery_sess = fnode_param->value[0]; | |
8116 | break; | |
8117 | case ISCSI_FLASHNODE_ENTRY_EN: | |
8118 | fnode_sess->entry_state = fnode_param->value[0]; | |
8119 | break; | |
8120 | case ISCSI_FLASHNODE_HDR_DGST_EN: | |
8121 | fnode_conn->hdrdgst_en = fnode_param->value[0]; | |
8122 | break; | |
8123 | case ISCSI_FLASHNODE_DATA_DGST_EN: | |
8124 | fnode_conn->datadgst_en = fnode_param->value[0]; | |
8125 | break; | |
8126 | case ISCSI_FLASHNODE_IMM_DATA_EN: | |
8127 | fnode_sess->imm_data_en = fnode_param->value[0]; | |
8128 | break; | |
8129 | case ISCSI_FLASHNODE_INITIAL_R2T_EN: | |
8130 | fnode_sess->initial_r2t_en = fnode_param->value[0]; | |
8131 | break; | |
8132 | case ISCSI_FLASHNODE_DATASEQ_INORDER: | |
8133 | fnode_sess->dataseq_inorder_en = fnode_param->value[0]; | |
8134 | break; | |
8135 | case ISCSI_FLASHNODE_PDU_INORDER: | |
8136 | fnode_sess->pdu_inorder_en = fnode_param->value[0]; | |
8137 | break; | |
8138 | case ISCSI_FLASHNODE_CHAP_AUTH_EN: | |
8139 | fnode_sess->chap_auth_en = fnode_param->value[0]; | |
244c079b AC |
8140 | /* Invalidate chap index if chap auth is disabled */ |
8141 | if (!fnode_sess->chap_auth_en) | |
8142 | fnode_sess->chap_out_idx = INVALID_ENTRY; | |
8143 | ||
1e9e2be3 AC |
8144 | break; |
8145 | case ISCSI_FLASHNODE_SNACK_REQ_EN: | |
8146 | fnode_conn->snack_req_en = fnode_param->value[0]; | |
8147 | break; | |
8148 | case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN: | |
8149 | fnode_sess->discovery_logout_en = fnode_param->value[0]; | |
8150 | break; | |
8151 | case ISCSI_FLASHNODE_BIDI_CHAP_EN: | |
8152 | fnode_sess->bidi_chap_en = fnode_param->value[0]; | |
8153 | break; | |
8154 | case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL: | |
8155 | fnode_sess->discovery_auth_optional = | |
8156 | fnode_param->value[0]; | |
8157 | break; | |
8158 | case ISCSI_FLASHNODE_ERL: | |
8159 | fnode_sess->erl = fnode_param->value[0]; | |
8160 | break; | |
8161 | case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT: | |
8162 | fnode_conn->tcp_timestamp_stat = fnode_param->value[0]; | |
8163 | break; | |
8164 | case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE: | |
8165 | fnode_conn->tcp_nagle_disable = fnode_param->value[0]; | |
8166 | break; | |
8167 | case ISCSI_FLASHNODE_TCP_WSF_DISABLE: | |
8168 | fnode_conn->tcp_wsf_disable = fnode_param->value[0]; | |
8169 | break; | |
8170 | case ISCSI_FLASHNODE_TCP_TIMER_SCALE: | |
8171 | fnode_conn->tcp_timer_scale = fnode_param->value[0]; | |
8172 | break; | |
8173 | case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN: | |
8174 | fnode_conn->tcp_timestamp_en = fnode_param->value[0]; | |
8175 | break; | |
8176 | case ISCSI_FLASHNODE_IP_FRAG_DISABLE: | |
8177 | fnode_conn->fragment_disable = fnode_param->value[0]; | |
8178 | break; | |
8179 | case ISCSI_FLASHNODE_MAX_RECV_DLENGTH: | |
8180 | fnode_conn->max_recv_dlength = | |
8181 | *(unsigned *)fnode_param->value; | |
8182 | break; | |
8183 | case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH: | |
8184 | fnode_conn->max_xmit_dlength = | |
8185 | *(unsigned *)fnode_param->value; | |
8186 | break; | |
8187 | case ISCSI_FLASHNODE_FIRST_BURST: | |
8188 | fnode_sess->first_burst = | |
8189 | *(unsigned *)fnode_param->value; | |
8190 | break; | |
8191 | case ISCSI_FLASHNODE_DEF_TIME2WAIT: | |
8192 | fnode_sess->time2wait = *(uint16_t *)fnode_param->value; | |
8193 | break; | |
8194 | case ISCSI_FLASHNODE_DEF_TIME2RETAIN: | |
8195 | fnode_sess->time2retain = | |
8196 | *(uint16_t *)fnode_param->value; | |
8197 | break; | |
8198 | case ISCSI_FLASHNODE_MAX_R2T: | |
8199 | fnode_sess->max_r2t = | |
8200 | *(uint16_t *)fnode_param->value; | |
8201 | break; | |
8202 | case ISCSI_FLASHNODE_KEEPALIVE_TMO: | |
8203 | fnode_conn->keepalive_timeout = | |
8204 | *(uint16_t *)fnode_param->value; | |
8205 | break; | |
8206 | case ISCSI_FLASHNODE_ISID: | |
8207 | memcpy(fnode_sess->isid, fnode_param->value, | |
8208 | sizeof(fnode_sess->isid)); | |
8209 | break; | |
8210 | case ISCSI_FLASHNODE_TSID: | |
8211 | fnode_sess->tsid = *(uint16_t *)fnode_param->value; | |
8212 | break; | |
8213 | case ISCSI_FLASHNODE_PORT: | |
8214 | fnode_conn->port = *(uint16_t *)fnode_param->value; | |
8215 | break; | |
8216 | case ISCSI_FLASHNODE_MAX_BURST: | |
8217 | fnode_sess->max_burst = *(unsigned *)fnode_param->value; | |
8218 | break; | |
8219 | case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO: | |
8220 | fnode_sess->default_taskmgmt_timeout = | |
8221 | *(uint16_t *)fnode_param->value; | |
8222 | break; | |
8223 | case ISCSI_FLASHNODE_IPADDR: | |
8224 | memcpy(fnode_conn->ipaddress, fnode_param->value, | |
8225 | IPv6_ADDR_LEN); | |
8226 | break; | |
8227 | case ISCSI_FLASHNODE_ALIAS: | |
8228 | rc = iscsi_switch_str_param(&fnode_sess->targetalias, | |
8229 | (char *)fnode_param->value); | |
8230 | break; | |
8231 | case ISCSI_FLASHNODE_REDIRECT_IPADDR: | |
8232 | memcpy(fnode_conn->redirect_ipaddr, fnode_param->value, | |
8233 | IPv6_ADDR_LEN); | |
8234 | break; | |
8235 | case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE: | |
8236 | fnode_conn->max_segment_size = | |
8237 | *(unsigned *)fnode_param->value; | |
8238 | break; | |
8239 | case ISCSI_FLASHNODE_LOCAL_PORT: | |
8240 | fnode_conn->local_port = | |
8241 | *(uint16_t *)fnode_param->value; | |
8242 | break; | |
8243 | case ISCSI_FLASHNODE_IPV4_TOS: | |
8244 | fnode_conn->ipv4_tos = fnode_param->value[0]; | |
8245 | break; | |
8246 | case ISCSI_FLASHNODE_IPV6_TC: | |
8247 | fnode_conn->ipv6_traffic_class = fnode_param->value[0]; | |
8248 | break; | |
8249 | case ISCSI_FLASHNODE_IPV6_FLOW_LABEL: | |
8250 | fnode_conn->ipv6_flow_label = fnode_param->value[0]; | |
8251 | break; | |
8252 | case ISCSI_FLASHNODE_NAME: | |
8253 | rc = iscsi_switch_str_param(&fnode_sess->targetname, | |
8254 | (char *)fnode_param->value); | |
8255 | break; | |
8256 | case ISCSI_FLASHNODE_TPGT: | |
8257 | fnode_sess->tpgt = *(uint16_t *)fnode_param->value; | |
8258 | break; | |
8259 | case ISCSI_FLASHNODE_LINK_LOCAL_IPV6: | |
8260 | memcpy(fnode_conn->link_local_ipv6_addr, | |
8261 | fnode_param->value, IPv6_ADDR_LEN); | |
8262 | break; | |
65560166 AC |
8263 | case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX: |
8264 | fnode_sess->discovery_parent_idx = | |
1e9e2be3 AC |
8265 | *(uint16_t *)fnode_param->value; |
8266 | break; | |
8267 | case ISCSI_FLASHNODE_TCP_XMIT_WSF: | |
8268 | fnode_conn->tcp_xmit_wsf = | |
8269 | *(uint8_t *)fnode_param->value; | |
8270 | break; | |
8271 | case ISCSI_FLASHNODE_TCP_RECV_WSF: | |
8272 | fnode_conn->tcp_recv_wsf = | |
8273 | *(uint8_t *)fnode_param->value; | |
8274 | break; | |
8275 | case ISCSI_FLASHNODE_STATSN: | |
8276 | fnode_conn->statsn = *(uint32_t *)fnode_param->value; | |
8277 | break; | |
8278 | case ISCSI_FLASHNODE_EXP_STATSN: | |
8279 | fnode_conn->exp_statsn = | |
8280 | *(uint32_t *)fnode_param->value; | |
8281 | break; | |
244c079b AC |
8282 | case ISCSI_FLASHNODE_CHAP_OUT_IDX: |
8283 | chap_out_idx = *(uint16_t *)fnode_param->value; | |
8284 | if (!qla4xxx_get_uni_chap_at_index(ha, | |
8285 | chap_tbl.name, | |
8286 | chap_tbl.secret, | |
8287 | chap_out_idx)) { | |
8288 | fnode_sess->chap_out_idx = chap_out_idx; | |
8289 | /* Enable chap auth if chap index is valid */ | |
8290 | fnode_sess->chap_auth_en = QL4_PARAM_ENABLE; | |
8291 | } | |
8292 | break; | |
1e9e2be3 AC |
8293 | default: |
8294 | ql4_printk(KERN_ERR, ha, | |
8295 | "%s: No such sysfs attribute\n", __func__); | |
8296 | rc = -ENOSYS; | |
8297 | goto exit_set_param; | |
8298 | } | |
8299 | } | |
8300 | ||
8301 | rc = qla4xxx_sysfs_ddb_apply(fnode_sess, fnode_conn); | |
8302 | ||
8303 | exit_set_param: | |
8304 | return rc; | |
8305 | } | |
8306 | ||
8307 | /** | |
8308 | * qla4xxx_sysfs_ddb_delete - Delete firmware DDB entry | |
8309 | * @fnode_sess: pointer to session attrs of flash ddb entry | |
8310 | * | |
8311 | * This invalidates the flash ddb entry at the given index | |
8312 | **/ | |
8313 | static int qla4xxx_sysfs_ddb_delete(struct iscsi_bus_flash_session *fnode_sess) | |
8314 | { | |
8315 | struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); | |
8316 | struct scsi_qla_host *ha = to_qla_host(shost); | |
8317 | uint32_t dev_db_start_offset; | |
8318 | uint32_t dev_db_end_offset; | |
8319 | struct dev_db_entry *fw_ddb_entry = NULL; | |
8320 | dma_addr_t fw_ddb_entry_dma; | |
8321 | uint16_t *ddb_cookie = NULL; | |
b6130cea | 8322 | size_t ddb_size = 0; |
039acc1e | 8323 | void *pddb = NULL; |
1e9e2be3 AC |
8324 | int target_id; |
8325 | int rc = 0; | |
8326 | ||
1e9e2be3 AC |
8327 | if (fnode_sess->is_boot_target) { |
8328 | rc = -EPERM; | |
8329 | DEBUG2(ql4_printk(KERN_ERR, ha, | |
8330 | "%s: Deletion of boot target entry is not permitted.\n", | |
8331 | __func__)); | |
8332 | goto exit_ddb_del; | |
8333 | } | |
8334 | ||
8335 | if (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT) | |
8336 | goto sysfs_ddb_del; | |
8337 | ||
1e9e2be3 AC |
8338 | if (is_qla40XX(ha)) { |
8339 | dev_db_start_offset = FLASH_OFFSET_DB_INFO; | |
039acc1e AC |
8340 | dev_db_end_offset = FLASH_OFFSET_DB_END; |
8341 | dev_db_start_offset += (fnode_sess->target_id * | |
8342 | sizeof(*fw_ddb_entry)); | |
8343 | ddb_size = sizeof(*fw_ddb_entry); | |
1e9e2be3 AC |
8344 | } else { |
8345 | dev_db_start_offset = FLASH_RAW_ACCESS_ADDR + | |
8346 | (ha->hw.flt_region_ddb << 2); | |
8347 | /* flt_ddb_size is DDB table size for both ports | |
8348 | * so divide it by 2 to calculate the offset for second port | |
8349 | */ | |
8350 | if (ha->port_num == 1) | |
8351 | dev_db_start_offset += (ha->hw.flt_ddb_size / 2); | |
1e9e2be3 | 8352 | |
039acc1e AC |
8353 | dev_db_end_offset = dev_db_start_offset + |
8354 | (ha->hw.flt_ddb_size / 2); | |
8355 | ||
8356 | dev_db_start_offset += (fnode_sess->target_id * | |
8357 | sizeof(*fw_ddb_entry)); | |
1bcb5619 | 8358 | dev_db_start_offset += offsetof(struct dev_db_entry, cookie); |
039acc1e AC |
8359 | |
8360 | ddb_size = sizeof(*ddb_cookie); | |
8361 | } | |
1e9e2be3 AC |
8362 | |
8363 | DEBUG2(ql4_printk(KERN_ERR, ha, "%s: start offset=%u, end offset=%u\n", | |
8364 | __func__, dev_db_start_offset, dev_db_end_offset)); | |
8365 | ||
8366 | if (dev_db_start_offset > dev_db_end_offset) { | |
8367 | rc = -EIO; | |
8368 | DEBUG2(ql4_printk(KERN_ERR, ha, "%s:Invalid DDB index %u\n", | |
8369 | __func__, fnode_sess->target_id)); | |
8370 | goto exit_ddb_del; | |
8371 | } | |
8372 | ||
039acc1e AC |
8373 | pddb = dma_alloc_coherent(&ha->pdev->dev, ddb_size, |
8374 | &fw_ddb_entry_dma, GFP_KERNEL); | |
8375 | if (!pddb) { | |
8376 | rc = -ENOMEM; | |
8377 | DEBUG2(ql4_printk(KERN_ERR, ha, | |
8378 | "%s: Unable to allocate dma buffer\n", | |
8379 | __func__)); | |
8380 | goto exit_ddb_del; | |
8381 | } | |
8382 | ||
8383 | if (is_qla40XX(ha)) { | |
8384 | fw_ddb_entry = pddb; | |
8385 | memset(fw_ddb_entry, 0, ddb_size); | |
8386 | ddb_cookie = &fw_ddb_entry->cookie; | |
8387 | } else { | |
8388 | ddb_cookie = pddb; | |
8389 | } | |
8390 | ||
1e9e2be3 AC |
8391 | /* invalidate the cookie */ |
8392 | *ddb_cookie = 0xFFEE; | |
8393 | qla4xxx_set_flash(ha, fw_ddb_entry_dma, dev_db_start_offset, | |
039acc1e | 8394 | ddb_size, FLASH_OPT_RMW_COMMIT); |
1e9e2be3 AC |
8395 | |
8396 | sysfs_ddb_del: | |
8397 | target_id = fnode_sess->target_id; | |
8398 | iscsi_destroy_flashnode_sess(fnode_sess); | |
8399 | ql4_printk(KERN_INFO, ha, | |
8400 | "%s: session and conn entries for flashnode %u of host %lu deleted\n", | |
8401 | __func__, target_id, ha->host_no); | |
8402 | exit_ddb_del: | |
039acc1e AC |
8403 | if (pddb) |
8404 | dma_free_coherent(&ha->pdev->dev, ddb_size, pddb, | |
8405 | fw_ddb_entry_dma); | |
1e9e2be3 AC |
8406 | return rc; |
8407 | } | |
8408 | ||
8409 | /** | |
8410 | * qla4xxx_sysfs_ddb_export - Create sysfs entries for firmware DDBs | |
8411 | * @ha: pointer to adapter structure | |
8412 | * | |
8413 | * Export the firmware DDB for all send targets and normal targets to sysfs. | |
8414 | **/ | |
906cbf3d | 8415 | int qla4xxx_sysfs_ddb_export(struct scsi_qla_host *ha) |
1e9e2be3 AC |
8416 | { |
8417 | struct dev_db_entry *fw_ddb_entry = NULL; | |
8418 | dma_addr_t fw_ddb_entry_dma; | |
8419 | uint16_t max_ddbs; | |
8420 | uint16_t idx = 0; | |
8421 | int ret = QLA_SUCCESS; | |
8422 | ||
8423 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, | |
8424 | sizeof(*fw_ddb_entry), | |
8425 | &fw_ddb_entry_dma, GFP_KERNEL); | |
8426 | if (!fw_ddb_entry) { | |
8427 | DEBUG2(ql4_printk(KERN_ERR, ha, | |
8428 | "%s: Unable to allocate dma buffer\n", | |
8429 | __func__)); | |
8430 | return -ENOMEM; | |
8431 | } | |
8432 | ||
a957a7d7 | 8433 | max_ddbs = is_qla40XX(ha) ? MAX_PRST_DEV_DB_ENTRIES : |
1e9e2be3 AC |
8434 | MAX_DEV_DB_ENTRIES; |
8435 | ||
8436 | for (idx = 0; idx < max_ddbs; idx++) { | |
8437 | if (qla4xxx_flashdb_by_index(ha, fw_ddb_entry, fw_ddb_entry_dma, | |
8438 | idx)) | |
8439 | continue; | |
8440 | ||
8441 | ret = qla4xxx_sysfs_ddb_tgt_create(ha, fw_ddb_entry, &idx, 0); | |
8442 | if (ret) { | |
8443 | ret = -EIO; | |
8444 | break; | |
8445 | } | |
8446 | } | |
8447 | ||
8448 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), fw_ddb_entry, | |
8449 | fw_ddb_entry_dma); | |
8450 | ||
8451 | return ret; | |
8452 | } | |
8453 | ||
8454 | static void qla4xxx_sysfs_ddb_remove(struct scsi_qla_host *ha) | |
8455 | { | |
8456 | iscsi_destroy_all_flashnode(ha->host); | |
8457 | } | |
8458 | ||
8459 | /** | |
8460 | * qla4xxx_build_ddb_list - Build ddb list and setup sessions | |
8461 | * @ha: pointer to adapter structure | |
8462 | * @is_reset: Is this init path or reset path | |
8463 | * | |
8464 | * Create a list of sendtargets (st) from firmware DDBs, issue send targets | |
8465 | * using connection open, then create the list of normal targets (nt) | |
8466 | * from firmware DDBs. Based on the list of nt setup session and connection | |
8467 | * objects. | |
8468 | **/ | |
8469 | void qla4xxx_build_ddb_list(struct scsi_qla_host *ha, int is_reset) | |
8470 | { | |
8471 | uint16_t tmo = 0; | |
8472 | struct list_head list_st, list_nt; | |
8473 | struct qla_ddb_index *st_ddb_idx, *st_ddb_idx_tmp; | |
8474 | unsigned long wtime; | |
8475 | ||
8476 | if (!test_bit(AF_LINK_UP, &ha->flags)) { | |
8477 | set_bit(AF_BUILD_DDB_LIST, &ha->flags); | |
8478 | ha->is_reset = is_reset; | |
8479 | return; | |
8480 | } | |
8481 | ||
8482 | INIT_LIST_HEAD(&list_st); | |
8483 | INIT_LIST_HEAD(&list_nt); | |
8484 | ||
8485 | qla4xxx_build_st_list(ha, &list_st); | |
8486 | ||
8487 | /* Before issuing conn open mbox, ensure all IPs states are configured | |
8488 | * Note, conn open fails if IPs are not configured | |
8489 | */ | |
8490 | qla4xxx_wait_for_ip_configuration(ha); | |
8491 | ||
8492 | /* Go thru the STs and fire the sendtargets by issuing conn open mbx */ | |
8493 | list_for_each_entry_safe(st_ddb_idx, st_ddb_idx_tmp, &list_st, list) { | |
8494 | qla4xxx_conn_open(ha, st_ddb_idx->fw_ddb_idx); | |
8495 | } | |
8496 | ||
8497 | /* Wait to ensure all sendtargets are done for min 12 sec wait */ | |
8498 | tmo = ((ha->def_timeout > LOGIN_TOV) && | |
8499 | (ha->def_timeout < LOGIN_TOV * 10) ? | |
8500 | ha->def_timeout : LOGIN_TOV); | |
8501 | ||
8502 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
8503 | "Default time to wait for build ddb %d\n", tmo)); | |
8504 | ||
8505 | wtime = jiffies + (HZ * tmo); | |
8506 | do { | |
8507 | if (list_empty(&list_st)) | |
8508 | break; | |
8509 | ||
8510 | qla4xxx_remove_failed_ddb(ha, &list_st); | |
8511 | schedule_timeout_uninterruptible(HZ / 10); | |
8512 | } while (time_after(wtime, jiffies)); | |
8513 | ||
1e9e2be3 | 8514 | |
ad8bd45e | 8515 | qla4xxx_build_nt_list(ha, &list_nt, &list_st, is_reset); |
1e9e2be3 | 8516 | |
ad8bd45e | 8517 | qla4xxx_free_ddb_list(&list_st); |
1e9e2be3 AC |
8518 | qla4xxx_free_ddb_list(&list_nt); |
8519 | ||
8520 | qla4xxx_free_ddb_index(ha); | |
8521 | } | |
8522 | ||
8523 | /** | |
8524 | * qla4xxx_wait_login_resp_boot_tgt - Wait for iSCSI boot target login | |
8525 | * response. | |
8526 | * @ha: pointer to adapter structure | |
8527 | * | |
8528 | * When the boot entry is normal iSCSI target then DF_BOOT_TGT flag will be | |
8529 | * set in DDB and we will wait for login response of boot targets during | |
8530 | * probe. | |
8531 | **/ | |
8532 | static void qla4xxx_wait_login_resp_boot_tgt(struct scsi_qla_host *ha) | |
8533 | { | |
8534 | struct ddb_entry *ddb_entry; | |
8535 | struct dev_db_entry *fw_ddb_entry = NULL; | |
8536 | dma_addr_t fw_ddb_entry_dma; | |
8537 | unsigned long wtime; | |
8538 | uint32_t ddb_state; | |
8539 | int max_ddbs, idx, ret; | |
8540 | ||
8541 | max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : | |
8542 | MAX_DEV_DB_ENTRIES; | |
8543 | ||
8544 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
8545 | &fw_ddb_entry_dma, GFP_KERNEL); | |
8546 | if (!fw_ddb_entry) { | |
8547 | ql4_printk(KERN_ERR, ha, | |
8548 | "%s: Unable to allocate dma buffer\n", __func__); | |
8549 | goto exit_login_resp; | |
8550 | } | |
8551 | ||
8552 | wtime = jiffies + (HZ * BOOT_LOGIN_RESP_TOV); | |
8553 | ||
8554 | for (idx = 0; idx < max_ddbs; idx++) { | |
8555 | ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); | |
8556 | if (ddb_entry == NULL) | |
8557 | continue; | |
8558 | ||
8559 | if (test_bit(DF_BOOT_TGT, &ddb_entry->flags)) { | |
8560 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
8561 | "%s: DDB index [%d]\n", __func__, | |
8562 | ddb_entry->fw_ddb_index)); | |
8563 | do { | |
8564 | ret = qla4xxx_get_fwddb_entry(ha, | |
8565 | ddb_entry->fw_ddb_index, | |
8566 | fw_ddb_entry, fw_ddb_entry_dma, | |
8567 | NULL, NULL, &ddb_state, NULL, | |
8568 | NULL, NULL); | |
8569 | if (ret == QLA_ERROR) | |
8570 | goto exit_login_resp; | |
8571 | ||
8572 | if ((ddb_state == DDB_DS_SESSION_ACTIVE) || | |
8573 | (ddb_state == DDB_DS_SESSION_FAILED)) | |
8574 | break; | |
8575 | ||
8576 | schedule_timeout_uninterruptible(HZ); | |
8577 | ||
8578 | } while ((time_after(wtime, jiffies))); | |
8579 | ||
8580 | if (!time_after(wtime, jiffies)) { | |
8581 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
8582 | "%s: Login response wait timer expired\n", | |
8583 | __func__)); | |
8584 | goto exit_login_resp; | |
8585 | } | |
8586 | } | |
8587 | } | |
8588 | ||
8589 | exit_login_resp: | |
8590 | if (fw_ddb_entry) | |
8591 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
8592 | fw_ddb_entry, fw_ddb_entry_dma); | |
8593 | } | |
8594 | ||
8595 | /** | |
8596 | * qla4xxx_probe_adapter - callback function to probe HBA | |
8597 | * @pdev: pointer to pci_dev structure | |
8598 | * @pci_device_id: pointer to pci_device entry | |
8599 | * | |
8600 | * This routine will probe for Qlogic 4xxx iSCSI host adapters. | |
8601 | * It returns zero if successful. It also initializes all data necessary for | |
8602 | * the driver. | |
8603 | **/ | |
8604 | static int qla4xxx_probe_adapter(struct pci_dev *pdev, | |
8605 | const struct pci_device_id *ent) | |
8606 | { | |
8607 | int ret = -ENODEV, status; | |
8608 | struct Scsi_Host *host; | |
8609 | struct scsi_qla_host *ha; | |
8610 | uint8_t init_retry_count = 0; | |
8611 | char buf[34]; | |
8612 | struct qla4_8xxx_legacy_intr_set *nx_legacy_intr; | |
8613 | uint32_t dev_state; | |
8614 | ||
8615 | if (pci_enable_device(pdev)) | |
8616 | return -1; | |
8617 | ||
8618 | host = iscsi_host_alloc(&qla4xxx_driver_template, sizeof(*ha), 0); | |
8619 | if (host == NULL) { | |
afaf5a2d DS |
8620 | printk(KERN_WARNING |
8621 | "qla4xxx: Couldn't allocate host from scsi layer!\n"); | |
8622 | goto probe_disable_device; | |
8623 | } | |
8624 | ||
8625 | /* Clear our data area */ | |
b3a271a9 | 8626 | ha = to_qla_host(host); |
afaf5a2d DS |
8627 | memset(ha, 0, sizeof(*ha)); |
8628 | ||
8629 | /* Save the information from PCI BIOS. */ | |
8630 | ha->pdev = pdev; | |
8631 | ha->host = host; | |
8632 | ha->host_no = host->host_no; | |
6e7b4292 | 8633 | ha->func_num = PCI_FUNC(ha->pdev->devfn); |
afaf5a2d | 8634 | |
2232be0d LC |
8635 | pci_enable_pcie_error_reporting(pdev); |
8636 | ||
f4f5df23 VC |
8637 | /* Setup Runtime configurable options */ |
8638 | if (is_qla8022(ha)) { | |
7664a1fd | 8639 | ha->isp_ops = &qla4_82xx_isp_ops; |
33693c7a | 8640 | ha->reg_tbl = (uint32_t *) qla4_82xx_reg_tbl; |
f4f5df23 VC |
8641 | ha->qdr_sn_window = -1; |
8642 | ha->ddr_mn_window = -1; | |
8643 | ha->curr_window = 255; | |
f4f5df23 VC |
8644 | nx_legacy_intr = &legacy_intr[ha->func_num]; |
8645 | ha->nx_legacy_intr.int_vec_bit = nx_legacy_intr->int_vec_bit; | |
8646 | ha->nx_legacy_intr.tgt_status_reg = | |
8647 | nx_legacy_intr->tgt_status_reg; | |
8648 | ha->nx_legacy_intr.tgt_mask_reg = nx_legacy_intr->tgt_mask_reg; | |
8649 | ha->nx_legacy_intr.pci_int_reg = nx_legacy_intr->pci_int_reg; | |
b37ca418 | 8650 | } else if (is_qla8032(ha) || is_qla8042(ha)) { |
6e7b4292 VC |
8651 | ha->isp_ops = &qla4_83xx_isp_ops; |
8652 | ha->reg_tbl = (uint32_t *)qla4_83xx_reg_tbl; | |
f4f5df23 VC |
8653 | } else { |
8654 | ha->isp_ops = &qla4xxx_isp_ops; | |
8655 | } | |
8656 | ||
6e7b4292 VC |
8657 | if (is_qla80XX(ha)) { |
8658 | rwlock_init(&ha->hw_lock); | |
8659 | ha->pf_bit = ha->func_num << 16; | |
8660 | /* Set EEH reset type to fundamental if required by hba */ | |
2232be0d | 8661 | pdev->needs_freset = 1; |
6e7b4292 | 8662 | } |
2232be0d | 8663 | |
afaf5a2d | 8664 | /* Configure PCI I/O space. */ |
f4f5df23 | 8665 | ret = ha->isp_ops->iospace_config(ha); |
afaf5a2d | 8666 | if (ret) |
f4f5df23 | 8667 | goto probe_failed_ioconfig; |
afaf5a2d | 8668 | |
c2660df3 | 8669 | ql4_printk(KERN_INFO, ha, "Found an ISP%04x, irq %d, iobase 0x%p\n", |
afaf5a2d DS |
8670 | pdev->device, pdev->irq, ha->reg); |
8671 | ||
8672 | qla4xxx_config_dma_addressing(ha); | |
8673 | ||
8674 | /* Initialize lists and spinlocks. */ | |
afaf5a2d DS |
8675 | INIT_LIST_HEAD(&ha->free_srb_q); |
8676 | ||
8677 | mutex_init(&ha->mbox_sem); | |
4549415a | 8678 | mutex_init(&ha->chap_sem); |
f4f5df23 | 8679 | init_completion(&ha->mbx_intr_comp); |
95d31262 | 8680 | init_completion(&ha->disable_acb_comp); |
df86f771 VC |
8681 | init_completion(&ha->idc_comp); |
8682 | init_completion(&ha->link_up_comp); | |
afaf5a2d DS |
8683 | |
8684 | spin_lock_init(&ha->hardware_lock); | |
8e9157c8 | 8685 | spin_lock_init(&ha->work_lock); |
afaf5a2d | 8686 | |
ff884430 VC |
8687 | /* Initialize work list */ |
8688 | INIT_LIST_HEAD(&ha->work_list); | |
8689 | ||
afaf5a2d DS |
8690 | /* Allocate dma buffers */ |
8691 | if (qla4xxx_mem_alloc(ha)) { | |
c2660df3 VC |
8692 | ql4_printk(KERN_WARNING, ha, |
8693 | "[ERROR] Failed to allocate memory for adapter\n"); | |
afaf5a2d DS |
8694 | |
8695 | ret = -ENOMEM; | |
8696 | goto probe_failed; | |
8697 | } | |
8698 | ||
b3a271a9 MR |
8699 | host->cmd_per_lun = 3; |
8700 | host->max_channel = 0; | |
8701 | host->max_lun = MAX_LUNS - 1; | |
8702 | host->max_id = MAX_TARGETS; | |
8703 | host->max_cmd_len = IOCB_MAX_CDB_LEN; | |
8704 | host->can_queue = MAX_SRBS ; | |
8705 | host->transportt = qla4xxx_scsi_transport; | |
8706 | ||
b3a271a9 MR |
8707 | pci_set_drvdata(pdev, ha); |
8708 | ||
8709 | ret = scsi_add_host(host, &pdev->dev); | |
8710 | if (ret) | |
8711 | goto probe_failed; | |
8712 | ||
6e7b4292 VC |
8713 | if (is_qla80XX(ha)) |
8714 | qla4_8xxx_get_flash_info(ha); | |
8715 | ||
b37ca418 | 8716 | if (is_qla8032(ha) || is_qla8042(ha)) { |
6e7b4292 VC |
8717 | qla4_83xx_read_reset_template(ha); |
8718 | /* | |
8719 | * NOTE: If ql4dontresethba==1, set IDC_CTRL DONTRESET_BIT0. | |
8720 | * If DONRESET_BIT0 is set, drivers should not set dev_state | |
8721 | * to NEED_RESET. But if NEED_RESET is set, drivers should | |
8722 | * should honor the reset. | |
8723 | */ | |
8724 | if (ql4xdontresethba == 1) | |
8725 | qla4_83xx_set_idc_dontreset(ha); | |
8726 | } | |
f4f5df23 | 8727 | |
afaf5a2d DS |
8728 | /* |
8729 | * Initialize the Host adapter request/response queues and | |
8730 | * firmware | |
8731 | * NOTE: interrupts enabled upon successful completion | |
8732 | */ | |
13483730 | 8733 | status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER); |
7977f825 PV |
8734 | |
8735 | /* Dont retry adapter initialization if IRQ allocation failed */ | |
37418cc6 | 8736 | if (is_qla80XX(ha) && (status == QLA_ERROR)) |
7977f825 PV |
8737 | goto skip_retry_init; |
8738 | ||
f4f5df23 VC |
8739 | while ((!test_bit(AF_ONLINE, &ha->flags)) && |
8740 | init_retry_count++ < MAX_INIT_RETRIES) { | |
f9880e76 | 8741 | |
6e7b4292 | 8742 | if (is_qla80XX(ha)) { |
33693c7a VC |
8743 | ha->isp_ops->idc_lock(ha); |
8744 | dev_state = qla4_8xxx_rd_direct(ha, | |
e951aca1 | 8745 | QLA8XXX_CRB_DEV_STATE); |
33693c7a | 8746 | ha->isp_ops->idc_unlock(ha); |
de8c72da | 8747 | if (dev_state == QLA8XXX_DEV_FAILED) { |
f9880e76 PM |
8748 | ql4_printk(KERN_WARNING, ha, "%s: don't retry " |
8749 | "initialize adapter. H/W is in failed state\n", | |
8750 | __func__); | |
8751 | break; | |
8752 | } | |
8753 | } | |
afaf5a2d DS |
8754 | DEBUG2(printk("scsi: %s: retrying adapter initialization " |
8755 | "(%d)\n", __func__, init_retry_count)); | |
f4f5df23 VC |
8756 | |
8757 | if (ha->isp_ops->reset_chip(ha) == QLA_ERROR) | |
8758 | continue; | |
8759 | ||
13483730 | 8760 | status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER); |
37418cc6 NJ |
8761 | if (is_qla80XX(ha) && (status == QLA_ERROR)) { |
8762 | if (qla4_8xxx_check_init_adapter_retry(ha) == QLA_ERROR) | |
8763 | goto skip_retry_init; | |
8764 | } | |
afaf5a2d | 8765 | } |
f4f5df23 | 8766 | |
7977f825 | 8767 | skip_retry_init: |
f4f5df23 | 8768 | if (!test_bit(AF_ONLINE, &ha->flags)) { |
c2660df3 | 8769 | ql4_printk(KERN_WARNING, ha, "Failed to initialize adapter\n"); |
afaf5a2d | 8770 | |
6e7b4292 | 8771 | if ((is_qla8022(ha) && ql4xdontresethba) || |
b37ca418 VC |
8772 | ((is_qla8032(ha) || is_qla8042(ha)) && |
8773 | qla4_83xx_idc_dontreset(ha))) { | |
fe998527 LC |
8774 | /* Put the device in failed state. */ |
8775 | DEBUG2(printk(KERN_ERR "HW STATE: FAILED\n")); | |
33693c7a VC |
8776 | ha->isp_ops->idc_lock(ha); |
8777 | qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, | |
8778 | QLA8XXX_DEV_FAILED); | |
8779 | ha->isp_ops->idc_unlock(ha); | |
fe998527 | 8780 | } |
afaf5a2d | 8781 | ret = -ENODEV; |
b3a271a9 | 8782 | goto remove_host; |
afaf5a2d DS |
8783 | } |
8784 | ||
afaf5a2d DS |
8785 | /* Startup the kernel thread for this host adapter. */ |
8786 | DEBUG2(printk("scsi: %s: Starting kernel thread for " | |
8787 | "qla4xxx_dpc\n", __func__)); | |
8788 | sprintf(buf, "qla4xxx_%lu_dpc", ha->host_no); | |
8789 | ha->dpc_thread = create_singlethread_workqueue(buf); | |
8790 | if (!ha->dpc_thread) { | |
c2660df3 | 8791 | ql4_printk(KERN_WARNING, ha, "Unable to start DPC thread!\n"); |
afaf5a2d | 8792 | ret = -ENODEV; |
b3a271a9 | 8793 | goto remove_host; |
afaf5a2d | 8794 | } |
c4028958 | 8795 | INIT_WORK(&ha->dpc_work, qla4xxx_do_dpc); |
afaf5a2d | 8796 | |
d8537548 KC |
8797 | ha->task_wq = alloc_workqueue("qla4xxx_%lu_task", WQ_MEM_RECLAIM, 1, |
8798 | ha->host_no); | |
b3a271a9 MR |
8799 | if (!ha->task_wq) { |
8800 | ql4_printk(KERN_WARNING, ha, "Unable to start task thread!\n"); | |
8801 | ret = -ENODEV; | |
8802 | goto remove_host; | |
8803 | } | |
8804 | ||
6e7b4292 VC |
8805 | /* |
8806 | * For ISP-8XXX, request_irqs is called in qla4_8xxx_load_risc | |
f4f5df23 VC |
8807 | * (which is called indirectly by qla4xxx_initialize_adapter), |
8808 | * so that irqs will be registered after crbinit but before | |
8809 | * mbx_intr_enable. | |
8810 | */ | |
ee996a69 | 8811 | if (is_qla40XX(ha)) { |
f4f5df23 VC |
8812 | ret = qla4xxx_request_irqs(ha); |
8813 | if (ret) { | |
8814 | ql4_printk(KERN_WARNING, ha, "Failed to reserve " | |
8815 | "interrupt %d already in use.\n", pdev->irq); | |
b3a271a9 | 8816 | goto remove_host; |
f4f5df23 | 8817 | } |
afaf5a2d | 8818 | } |
afaf5a2d | 8819 | |
2232be0d | 8820 | pci_save_state(ha->pdev); |
f4f5df23 | 8821 | ha->isp_ops->enable_intrs(ha); |
afaf5a2d DS |
8822 | |
8823 | /* Start timer thread. */ | |
d744644a | 8824 | qla4xxx_start_timer(ha, 1); |
afaf5a2d DS |
8825 | |
8826 | set_bit(AF_INIT_DONE, &ha->flags); | |
8827 | ||
068237c8 TP |
8828 | qla4_8xxx_alloc_sysfs_attr(ha); |
8829 | ||
afaf5a2d DS |
8830 | printk(KERN_INFO |
8831 | " QLogic iSCSI HBA Driver version: %s\n" | |
8832 | " QLogic ISP%04x @ %s, host#=%ld, fw=%02d.%02d.%02d.%02d\n", | |
8833 | qla4xxx_version_str, ha->pdev->device, pci_name(ha->pdev), | |
eee06a0f AC |
8834 | ha->host_no, ha->fw_info.fw_major, ha->fw_info.fw_minor, |
8835 | ha->fw_info.fw_patch, ha->fw_info.fw_build); | |
ed1086e0 | 8836 | |
cfb27874 MD |
8837 | /* Set the driver version */ |
8838 | if (is_qla80XX(ha)) | |
8839 | qla4_8xxx_set_param(ha, SET_DRVR_VERSION); | |
8840 | ||
2a991c21 | 8841 | if (qla4xxx_setup_boot_info(ha)) |
3573bfb2 VC |
8842 | ql4_printk(KERN_ERR, ha, |
8843 | "%s: No iSCSI boot target configured\n", __func__); | |
2a991c21 | 8844 | |
906cbf3d NJ |
8845 | set_bit(DPC_SYSFS_DDB_EXPORT, &ha->dpc_flags); |
8846 | /* Perform the build ddb list and login to each */ | |
13483730 MC |
8847 | qla4xxx_build_ddb_list(ha, INIT_ADAPTER); |
8848 | iscsi_host_for_each_session(ha->host, qla4xxx_login_flash_ddb); | |
1dc8ed5d | 8849 | qla4xxx_wait_login_resp_boot_tgt(ha); |
13483730 MC |
8850 | |
8851 | qla4xxx_create_chap_list(ha); | |
8852 | ||
ed1086e0 | 8853 | qla4xxx_create_ifaces(ha); |
afaf5a2d DS |
8854 | return 0; |
8855 | ||
b3a271a9 MR |
8856 | remove_host: |
8857 | scsi_remove_host(ha->host); | |
8858 | ||
afaf5a2d DS |
8859 | probe_failed: |
8860 | qla4xxx_free_adapter(ha); | |
f4f5df23 VC |
8861 | |
8862 | probe_failed_ioconfig: | |
2232be0d | 8863 | pci_disable_pcie_error_reporting(pdev); |
afaf5a2d DS |
8864 | scsi_host_put(ha->host); |
8865 | ||
8866 | probe_disable_device: | |
8867 | pci_disable_device(pdev); | |
8868 | ||
8869 | return ret; | |
8870 | } | |
8871 | ||
7eece5a0 KH |
8872 | /** |
8873 | * qla4xxx_prevent_other_port_reinit - prevent other port from re-initialize | |
8874 | * @ha: pointer to adapter structure | |
8875 | * | |
8876 | * Mark the other ISP-4xxx port to indicate that the driver is being removed, | |
8877 | * so that the other port will not re-initialize while in the process of | |
8878 | * removing the ha due to driver unload or hba hotplug. | |
8879 | **/ | |
8880 | static void qla4xxx_prevent_other_port_reinit(struct scsi_qla_host *ha) | |
8881 | { | |
8882 | struct scsi_qla_host *other_ha = NULL; | |
8883 | struct pci_dev *other_pdev = NULL; | |
8884 | int fn = ISP4XXX_PCI_FN_2; | |
8885 | ||
8886 | /*iscsi function numbers for ISP4xxx is 1 and 3*/ | |
8887 | if (PCI_FUNC(ha->pdev->devfn) & BIT_1) | |
8888 | fn = ISP4XXX_PCI_FN_1; | |
8889 | ||
8890 | other_pdev = | |
8891 | pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus), | |
8892 | ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn), | |
8893 | fn)); | |
8894 | ||
8895 | /* Get other_ha if other_pdev is valid and state is enable*/ | |
8896 | if (other_pdev) { | |
8897 | if (atomic_read(&other_pdev->enable_cnt)) { | |
8898 | other_ha = pci_get_drvdata(other_pdev); | |
8899 | if (other_ha) { | |
8900 | set_bit(AF_HA_REMOVAL, &other_ha->flags); | |
8901 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: " | |
8902 | "Prevent %s reinit\n", __func__, | |
8903 | dev_name(&other_ha->pdev->dev))); | |
8904 | } | |
8905 | } | |
8906 | pci_dev_put(other_pdev); | |
8907 | } | |
8908 | } | |
8909 | ||
28d958ba VC |
8910 | static void qla4xxx_destroy_ddb(struct scsi_qla_host *ha, |
8911 | struct ddb_entry *ddb_entry) | |
8912 | { | |
8913 | struct dev_db_entry *fw_ddb_entry = NULL; | |
8914 | dma_addr_t fw_ddb_entry_dma; | |
8915 | unsigned long wtime; | |
8916 | uint32_t ddb_state; | |
8917 | int options; | |
8918 | int status; | |
8919 | ||
8920 | options = LOGOUT_OPTION_CLOSE_SESSION; | |
8921 | if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) == QLA_ERROR) { | |
8922 | ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", __func__); | |
8923 | goto clear_ddb; | |
8924 | } | |
8925 | ||
8926 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
8927 | &fw_ddb_entry_dma, GFP_KERNEL); | |
8928 | if (!fw_ddb_entry) { | |
8929 | ql4_printk(KERN_ERR, ha, | |
8930 | "%s: Unable to allocate dma buffer\n", __func__); | |
8931 | goto clear_ddb; | |
8932 | } | |
8933 | ||
8934 | wtime = jiffies + (HZ * LOGOUT_TOV); | |
8935 | do { | |
8936 | status = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, | |
8937 | fw_ddb_entry, fw_ddb_entry_dma, | |
8938 | NULL, NULL, &ddb_state, NULL, | |
8939 | NULL, NULL); | |
8940 | if (status == QLA_ERROR) | |
8941 | goto free_ddb; | |
8942 | ||
8943 | if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) || | |
8944 | (ddb_state == DDB_DS_SESSION_FAILED)) | |
8945 | goto free_ddb; | |
8946 | ||
8947 | schedule_timeout_uninterruptible(HZ); | |
8948 | } while ((time_after(wtime, jiffies))); | |
8949 | ||
8950 | free_ddb: | |
8951 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
8952 | fw_ddb_entry, fw_ddb_entry_dma); | |
8953 | clear_ddb: | |
8954 | qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); | |
8955 | } | |
8956 | ||
13483730 MC |
8957 | static void qla4xxx_destroy_fw_ddb_session(struct scsi_qla_host *ha) |
8958 | { | |
8959 | struct ddb_entry *ddb_entry; | |
13483730 MC |
8960 | int idx; |
8961 | ||
8962 | for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { | |
8963 | ||
8964 | ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); | |
8965 | if ((ddb_entry != NULL) && | |
8966 | (ddb_entry->ddb_type == FLASH_DDB)) { | |
8967 | ||
28d958ba | 8968 | qla4xxx_destroy_ddb(ha, ddb_entry); |
13483730 MC |
8969 | /* |
8970 | * we have decremented the reference count of the driver | |
8971 | * when we setup the session to have the driver unload | |
8972 | * to be seamless without actually destroying the | |
8973 | * session | |
8974 | **/ | |
8975 | try_module_get(qla4xxx_iscsi_transport.owner); | |
8976 | iscsi_destroy_endpoint(ddb_entry->conn->ep); | |
8977 | qla4xxx_free_ddb(ha, ddb_entry); | |
8978 | iscsi_session_teardown(ddb_entry->sess); | |
8979 | } | |
8980 | } | |
8981 | } | |
afaf5a2d | 8982 | /** |
59e13d48 | 8983 | * qla4xxx_remove_adapter - callback function to remove adapter. |
afaf5a2d DS |
8984 | * @pci_dev: PCI device pointer |
8985 | **/ | |
6f039790 | 8986 | static void qla4xxx_remove_adapter(struct pci_dev *pdev) |
afaf5a2d DS |
8987 | { |
8988 | struct scsi_qla_host *ha; | |
8989 | ||
f8b0751d VC |
8990 | /* |
8991 | * If the PCI device is disabled then it means probe_adapter had | |
8992 | * failed and resources already cleaned up on probe_adapter exit. | |
8993 | */ | |
8994 | if (!pci_is_enabled(pdev)) | |
8995 | return; | |
8996 | ||
afaf5a2d DS |
8997 | ha = pci_get_drvdata(pdev); |
8998 | ||
ee996a69 | 8999 | if (is_qla40XX(ha)) |
7eece5a0 | 9000 | qla4xxx_prevent_other_port_reinit(ha); |
bee4fe8e | 9001 | |
ed1086e0 VC |
9002 | /* destroy iface from sysfs */ |
9003 | qla4xxx_destroy_ifaces(ha); | |
9004 | ||
13483730 | 9005 | if ((!ql4xdisablesysfsboot) && ha->boot_kset) |
2a991c21 MR |
9006 | iscsi_boot_destroy_kset(ha->boot_kset); |
9007 | ||
13483730 | 9008 | qla4xxx_destroy_fw_ddb_session(ha); |
068237c8 | 9009 | qla4_8xxx_free_sysfs_attr(ha); |
13483730 | 9010 | |
1e9e2be3 | 9011 | qla4xxx_sysfs_ddb_remove(ha); |
afaf5a2d DS |
9012 | scsi_remove_host(ha->host); |
9013 | ||
9014 | qla4xxx_free_adapter(ha); | |
9015 | ||
9016 | scsi_host_put(ha->host); | |
9017 | ||
2232be0d | 9018 | pci_disable_pcie_error_reporting(pdev); |
f4f5df23 | 9019 | pci_disable_device(pdev); |
afaf5a2d DS |
9020 | } |
9021 | ||
9022 | /** | |
9023 | * qla4xxx_config_dma_addressing() - Configure OS DMA addressing method. | |
9024 | * @ha: HA context | |
9025 | * | |
9026 | * At exit, the @ha's flags.enable_64bit_addressing set to indicated | |
9027 | * supported addressing method. | |
9028 | */ | |
47975477 | 9029 | static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha) |
afaf5a2d DS |
9030 | { |
9031 | int retval; | |
9032 | ||
9033 | /* Update our PCI device dma_mask for full 64 bit mask */ | |
6a35528a YH |
9034 | if (pci_set_dma_mask(ha->pdev, DMA_BIT_MASK(64)) == 0) { |
9035 | if (pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) { | |
afaf5a2d DS |
9036 | dev_dbg(&ha->pdev->dev, |
9037 | "Failed to set 64 bit PCI consistent mask; " | |
9038 | "using 32 bit.\n"); | |
9039 | retval = pci_set_consistent_dma_mask(ha->pdev, | |
284901a9 | 9040 | DMA_BIT_MASK(32)); |
afaf5a2d DS |
9041 | } |
9042 | } else | |
284901a9 | 9043 | retval = pci_set_dma_mask(ha->pdev, DMA_BIT_MASK(32)); |
afaf5a2d DS |
9044 | } |
9045 | ||
9046 | static int qla4xxx_slave_alloc(struct scsi_device *sdev) | |
9047 | { | |
b3a271a9 MR |
9048 | struct iscsi_cls_session *cls_sess; |
9049 | struct iscsi_session *sess; | |
9050 | struct ddb_entry *ddb; | |
8bb4033d | 9051 | int queue_depth = QL4_DEF_QDEPTH; |
afaf5a2d | 9052 | |
b3a271a9 MR |
9053 | cls_sess = starget_to_session(sdev->sdev_target); |
9054 | sess = cls_sess->dd_data; | |
9055 | ddb = sess->dd_data; | |
9056 | ||
afaf5a2d | 9057 | sdev->hostdata = ddb; |
8bb4033d VC |
9058 | |
9059 | if (ql4xmaxqdepth != 0 && ql4xmaxqdepth <= 0xffffU) | |
9060 | queue_depth = ql4xmaxqdepth; | |
9061 | ||
db5ed4df | 9062 | scsi_change_queue_depth(sdev, queue_depth); |
afaf5a2d DS |
9063 | return 0; |
9064 | } | |
9065 | ||
afaf5a2d DS |
9066 | /** |
9067 | * qla4xxx_del_from_active_array - returns an active srb | |
9068 | * @ha: Pointer to host adapter structure. | |
fd589a8f | 9069 | * @index: index into the active_array |
afaf5a2d DS |
9070 | * |
9071 | * This routine removes and returns the srb at the specified index | |
9072 | **/ | |
f4f5df23 VC |
9073 | struct srb *qla4xxx_del_from_active_array(struct scsi_qla_host *ha, |
9074 | uint32_t index) | |
afaf5a2d DS |
9075 | { |
9076 | struct srb *srb = NULL; | |
5369887a | 9077 | struct scsi_cmnd *cmd = NULL; |
afaf5a2d | 9078 | |
5369887a VC |
9079 | cmd = scsi_host_find_tag(ha->host, index); |
9080 | if (!cmd) | |
afaf5a2d DS |
9081 | return srb; |
9082 | ||
5369887a VC |
9083 | srb = (struct srb *)CMD_SP(cmd); |
9084 | if (!srb) | |
afaf5a2d DS |
9085 | return srb; |
9086 | ||
9087 | /* update counters */ | |
9088 | if (srb->flags & SRB_DMA_VALID) { | |
afaf5a2d DS |
9089 | ha->iocb_cnt -= srb->iocb_cnt; |
9090 | if (srb->cmd) | |
5369887a VC |
9091 | srb->cmd->host_scribble = |
9092 | (unsigned char *)(unsigned long) MAX_SRBS; | |
afaf5a2d DS |
9093 | } |
9094 | return srb; | |
9095 | } | |
9096 | ||
afaf5a2d DS |
9097 | /** |
9098 | * qla4xxx_eh_wait_on_command - waits for command to be returned by firmware | |
09a0f719 | 9099 | * @ha: Pointer to host adapter structure. |
afaf5a2d DS |
9100 | * @cmd: Scsi Command to wait on. |
9101 | * | |
9102 | * This routine waits for the command to be returned by the Firmware | |
9103 | * for some max time. | |
9104 | **/ | |
9105 | static int qla4xxx_eh_wait_on_command(struct scsi_qla_host *ha, | |
9106 | struct scsi_cmnd *cmd) | |
9107 | { | |
9108 | int done = 0; | |
9109 | struct srb *rp; | |
9110 | uint32_t max_wait_time = EH_WAIT_CMD_TOV; | |
2232be0d LC |
9111 | int ret = SUCCESS; |
9112 | ||
9113 | /* Dont wait on command if PCI error is being handled | |
9114 | * by PCI AER driver | |
9115 | */ | |
9116 | if (unlikely(pci_channel_offline(ha->pdev)) || | |
9117 | (test_bit(AF_EEH_BUSY, &ha->flags))) { | |
9118 | ql4_printk(KERN_WARNING, ha, "scsi%ld: Return from %s\n", | |
9119 | ha->host_no, __func__); | |
9120 | return ret; | |
9121 | } | |
afaf5a2d DS |
9122 | |
9123 | do { | |
9124 | /* Checking to see if its returned to OS */ | |
5369887a | 9125 | rp = (struct srb *) CMD_SP(cmd); |
afaf5a2d DS |
9126 | if (rp == NULL) { |
9127 | done++; | |
9128 | break; | |
9129 | } | |
9130 | ||
9131 | msleep(2000); | |
9132 | } while (max_wait_time--); | |
9133 | ||
9134 | return done; | |
9135 | } | |
9136 | ||
9137 | /** | |
9138 | * qla4xxx_wait_for_hba_online - waits for HBA to come online | |
9139 | * @ha: Pointer to host adapter structure | |
9140 | **/ | |
9141 | static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha) | |
9142 | { | |
9143 | unsigned long wait_online; | |
9144 | ||
f581a3f7 | 9145 | wait_online = jiffies + (HBA_ONLINE_TOV * HZ); |
afaf5a2d DS |
9146 | while (time_before(jiffies, wait_online)) { |
9147 | ||
9148 | if (adapter_up(ha)) | |
9149 | return QLA_SUCCESS; | |
afaf5a2d DS |
9150 | |
9151 | msleep(2000); | |
9152 | } | |
9153 | ||
9154 | return QLA_ERROR; | |
9155 | } | |
9156 | ||
9157 | /** | |
ce545039 | 9158 | * qla4xxx_eh_wait_for_commands - wait for active cmds to finish. |
fd589a8f | 9159 | * @ha: pointer to HBA |
afaf5a2d DS |
9160 | * @t: target id |
9161 | * @l: lun id | |
9162 | * | |
9163 | * This function waits for all outstanding commands to a lun to complete. It | |
9164 | * returns 0 if all pending commands are returned and 1 otherwise. | |
9165 | **/ | |
ce545039 MC |
9166 | static int qla4xxx_eh_wait_for_commands(struct scsi_qla_host *ha, |
9167 | struct scsi_target *stgt, | |
9168 | struct scsi_device *sdev) | |
afaf5a2d DS |
9169 | { |
9170 | int cnt; | |
9171 | int status = 0; | |
9172 | struct scsi_cmnd *cmd; | |
9173 | ||
9174 | /* | |
ce545039 MC |
9175 | * Waiting for all commands for the designated target or dev |
9176 | * in the active array | |
afaf5a2d DS |
9177 | */ |
9178 | for (cnt = 0; cnt < ha->host->can_queue; cnt++) { | |
9179 | cmd = scsi_host_find_tag(ha->host, cnt); | |
ce545039 MC |
9180 | if (cmd && stgt == scsi_target(cmd->device) && |
9181 | (!sdev || sdev == cmd->device)) { | |
afaf5a2d DS |
9182 | if (!qla4xxx_eh_wait_on_command(ha, cmd)) { |
9183 | status++; | |
9184 | break; | |
9185 | } | |
9186 | } | |
9187 | } | |
9188 | return status; | |
9189 | } | |
9190 | ||
09a0f719 VC |
9191 | /** |
9192 | * qla4xxx_eh_abort - callback for abort task. | |
9193 | * @cmd: Pointer to Linux's SCSI command structure | |
9194 | * | |
9195 | * This routine is called by the Linux OS to abort the specified | |
9196 | * command. | |
9197 | **/ | |
9198 | static int qla4xxx_eh_abort(struct scsi_cmnd *cmd) | |
9199 | { | |
9200 | struct scsi_qla_host *ha = to_qla_host(cmd->device->host); | |
9201 | unsigned int id = cmd->device->id; | |
9cb78c16 | 9202 | uint64_t lun = cmd->device->lun; |
92b3e5bb | 9203 | unsigned long flags; |
09a0f719 VC |
9204 | struct srb *srb = NULL; |
9205 | int ret = SUCCESS; | |
9206 | int wait = 0; | |
1bc5ad3a | 9207 | int rval; |
09a0f719 | 9208 | |
9cb78c16 | 9209 | ql4_printk(KERN_INFO, ha, "scsi%ld:%d:%llu: Abort command issued cmd=%p, cdb=0x%x\n", |
63c9e814 | 9210 | ha->host_no, id, lun, cmd, cmd->cmnd[0]); |
09a0f719 | 9211 | |
1bc5ad3a MR |
9212 | rval = qla4xxx_isp_check_reg(ha); |
9213 | if (rval != QLA_SUCCESS) { | |
9214 | ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n"); | |
9215 | return FAILED; | |
9216 | } | |
9217 | ||
92b3e5bb | 9218 | spin_lock_irqsave(&ha->hardware_lock, flags); |
09a0f719 | 9219 | srb = (struct srb *) CMD_SP(cmd); |
92b3e5bb MC |
9220 | if (!srb) { |
9221 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
9cb78c16 | 9222 | ql4_printk(KERN_INFO, ha, "scsi%ld:%d:%llu: Specified command has already completed.\n", |
63c9e814 | 9223 | ha->host_no, id, lun); |
09a0f719 | 9224 | return SUCCESS; |
92b3e5bb | 9225 | } |
09a0f719 | 9226 | kref_get(&srb->srb_ref); |
92b3e5bb | 9227 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
09a0f719 VC |
9228 | |
9229 | if (qla4xxx_abort_task(ha, srb) != QLA_SUCCESS) { | |
9cb78c16 | 9230 | DEBUG3(printk("scsi%ld:%d:%llu: Abort_task mbx failed.\n", |
09a0f719 VC |
9231 | ha->host_no, id, lun)); |
9232 | ret = FAILED; | |
9233 | } else { | |
9cb78c16 | 9234 | DEBUG3(printk("scsi%ld:%d:%llu: Abort_task mbx success.\n", |
09a0f719 VC |
9235 | ha->host_no, id, lun)); |
9236 | wait = 1; | |
9237 | } | |
9238 | ||
9239 | kref_put(&srb->srb_ref, qla4xxx_srb_compl); | |
9240 | ||
9241 | /* Wait for command to complete */ | |
9242 | if (wait) { | |
9243 | if (!qla4xxx_eh_wait_on_command(ha, cmd)) { | |
9cb78c16 | 9244 | DEBUG2(printk("scsi%ld:%d:%llu: Abort handler timed out\n", |
09a0f719 VC |
9245 | ha->host_no, id, lun)); |
9246 | ret = FAILED; | |
9247 | } | |
9248 | } | |
9249 | ||
c2660df3 | 9250 | ql4_printk(KERN_INFO, ha, |
9cb78c16 | 9251 | "scsi%ld:%d:%llu: Abort command - %s\n", |
25985edc | 9252 | ha->host_no, id, lun, (ret == SUCCESS) ? "succeeded" : "failed"); |
09a0f719 VC |
9253 | |
9254 | return ret; | |
9255 | } | |
9256 | ||
afaf5a2d DS |
9257 | /** |
9258 | * qla4xxx_eh_device_reset - callback for target reset. | |
9259 | * @cmd: Pointer to Linux's SCSI command structure | |
9260 | * | |
9261 | * This routine is called by the Linux OS to reset all luns on the | |
9262 | * specified target. | |
9263 | **/ | |
9264 | static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd) | |
9265 | { | |
9266 | struct scsi_qla_host *ha = to_qla_host(cmd->device->host); | |
9267 | struct ddb_entry *ddb_entry = cmd->device->hostdata; | |
afaf5a2d | 9268 | int ret = FAILED, stat; |
1bc5ad3a | 9269 | int rval; |
afaf5a2d | 9270 | |
612f7348 | 9271 | if (!ddb_entry) |
afaf5a2d DS |
9272 | return ret; |
9273 | ||
c01be6dc MC |
9274 | ret = iscsi_block_scsi_eh(cmd); |
9275 | if (ret) | |
9276 | return ret; | |
9277 | ret = FAILED; | |
9278 | ||
c2660df3 | 9279 | ql4_printk(KERN_INFO, ha, |
9cb78c16 | 9280 | "scsi%ld:%d:%d:%llu: DEVICE RESET ISSUED.\n", ha->host_no, |
afaf5a2d DS |
9281 | cmd->device->channel, cmd->device->id, cmd->device->lun); |
9282 | ||
9283 | DEBUG2(printk(KERN_INFO | |
9284 | "scsi%ld: DEVICE_RESET cmd=%p jiffies = 0x%lx, to=%x," | |
9285 | "dpc_flags=%lx, status=%x allowed=%d\n", ha->host_no, | |
242f9dcb | 9286 | cmd, jiffies, cmd->request->timeout / HZ, |
afaf5a2d DS |
9287 | ha->dpc_flags, cmd->result, cmd->allowed)); |
9288 | ||
1bc5ad3a MR |
9289 | rval = qla4xxx_isp_check_reg(ha); |
9290 | if (rval != QLA_SUCCESS) { | |
9291 | ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n"); | |
9292 | return FAILED; | |
9293 | } | |
9294 | ||
afaf5a2d DS |
9295 | /* FIXME: wait for hba to go online */ |
9296 | stat = qla4xxx_reset_lun(ha, ddb_entry, cmd->device->lun); | |
9297 | if (stat != QLA_SUCCESS) { | |
c2660df3 | 9298 | ql4_printk(KERN_INFO, ha, "DEVICE RESET FAILED. %d\n", stat); |
afaf5a2d DS |
9299 | goto eh_dev_reset_done; |
9300 | } | |
9301 | ||
ce545039 MC |
9302 | if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device), |
9303 | cmd->device)) { | |
c2660df3 | 9304 | ql4_printk(KERN_INFO, ha, |
ce545039 MC |
9305 | "DEVICE RESET FAILED - waiting for " |
9306 | "commands.\n"); | |
9307 | goto eh_dev_reset_done; | |
afaf5a2d DS |
9308 | } |
9309 | ||
9d562913 DS |
9310 | /* Send marker. */ |
9311 | if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun, | |
9312 | MM_LUN_RESET) != QLA_SUCCESS) | |
9313 | goto eh_dev_reset_done; | |
9314 | ||
c2660df3 | 9315 | ql4_printk(KERN_INFO, ha, |
9cb78c16 | 9316 | "scsi(%ld:%d:%d:%llu): DEVICE RESET SUCCEEDED.\n", |
afaf5a2d DS |
9317 | ha->host_no, cmd->device->channel, cmd->device->id, |
9318 | cmd->device->lun); | |
9319 | ||
9320 | ret = SUCCESS; | |
9321 | ||
9322 | eh_dev_reset_done: | |
9323 | ||
9324 | return ret; | |
9325 | } | |
9326 | ||
ce545039 MC |
9327 | /** |
9328 | * qla4xxx_eh_target_reset - callback for target reset. | |
9329 | * @cmd: Pointer to Linux's SCSI command structure | |
9330 | * | |
9331 | * This routine is called by the Linux OS to reset the target. | |
9332 | **/ | |
9333 | static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd) | |
9334 | { | |
9335 | struct scsi_qla_host *ha = to_qla_host(cmd->device->host); | |
9336 | struct ddb_entry *ddb_entry = cmd->device->hostdata; | |
c01be6dc | 9337 | int stat, ret; |
1bc5ad3a | 9338 | int rval; |
ce545039 MC |
9339 | |
9340 | if (!ddb_entry) | |
9341 | return FAILED; | |
9342 | ||
c01be6dc MC |
9343 | ret = iscsi_block_scsi_eh(cmd); |
9344 | if (ret) | |
9345 | return ret; | |
9346 | ||
ce545039 MC |
9347 | starget_printk(KERN_INFO, scsi_target(cmd->device), |
9348 | "WARM TARGET RESET ISSUED.\n"); | |
9349 | ||
9350 | DEBUG2(printk(KERN_INFO | |
9351 | "scsi%ld: TARGET_DEVICE_RESET cmd=%p jiffies = 0x%lx, " | |
9352 | "to=%x,dpc_flags=%lx, status=%x allowed=%d\n", | |
242f9dcb | 9353 | ha->host_no, cmd, jiffies, cmd->request->timeout / HZ, |
ce545039 MC |
9354 | ha->dpc_flags, cmd->result, cmd->allowed)); |
9355 | ||
1bc5ad3a MR |
9356 | rval = qla4xxx_isp_check_reg(ha); |
9357 | if (rval != QLA_SUCCESS) { | |
9358 | ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n"); | |
9359 | return FAILED; | |
9360 | } | |
9361 | ||
ce545039 MC |
9362 | stat = qla4xxx_reset_target(ha, ddb_entry); |
9363 | if (stat != QLA_SUCCESS) { | |
9364 | starget_printk(KERN_INFO, scsi_target(cmd->device), | |
9365 | "WARM TARGET RESET FAILED.\n"); | |
9366 | return FAILED; | |
9367 | } | |
9368 | ||
ce545039 MC |
9369 | if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device), |
9370 | NULL)) { | |
9371 | starget_printk(KERN_INFO, scsi_target(cmd->device), | |
9372 | "WARM TARGET DEVICE RESET FAILED - " | |
9373 | "waiting for commands.\n"); | |
9374 | return FAILED; | |
9375 | } | |
9376 | ||
9d562913 DS |
9377 | /* Send marker. */ |
9378 | if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun, | |
9379 | MM_TGT_WARM_RESET) != QLA_SUCCESS) { | |
9380 | starget_printk(KERN_INFO, scsi_target(cmd->device), | |
9381 | "WARM TARGET DEVICE RESET FAILED - " | |
9382 | "marker iocb failed.\n"); | |
9383 | return FAILED; | |
9384 | } | |
9385 | ||
ce545039 MC |
9386 | starget_printk(KERN_INFO, scsi_target(cmd->device), |
9387 | "WARM TARGET RESET SUCCEEDED.\n"); | |
9388 | return SUCCESS; | |
9389 | } | |
9390 | ||
8a288960 SR |
9391 | /** |
9392 | * qla4xxx_is_eh_active - check if error handler is running | |
9393 | * @shost: Pointer to SCSI Host struct | |
9394 | * | |
9395 | * This routine finds that if reset host is called in EH | |
9396 | * scenario or from some application like sg_reset | |
9397 | **/ | |
9398 | static int qla4xxx_is_eh_active(struct Scsi_Host *shost) | |
9399 | { | |
9400 | if (shost->shost_state == SHOST_RECOVERY) | |
9401 | return 1; | |
9402 | return 0; | |
9403 | } | |
9404 | ||
afaf5a2d DS |
9405 | /** |
9406 | * qla4xxx_eh_host_reset - kernel callback | |
9407 | * @cmd: Pointer to Linux's SCSI command structure | |
9408 | * | |
9409 | * This routine is invoked by the Linux kernel to perform fatal error | |
9410 | * recovery on the specified adapter. | |
9411 | **/ | |
9412 | static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd) | |
9413 | { | |
9414 | int return_status = FAILED; | |
9415 | struct scsi_qla_host *ha; | |
1bc5ad3a | 9416 | int rval; |
afaf5a2d | 9417 | |
b3a271a9 | 9418 | ha = to_qla_host(cmd->device->host); |
afaf5a2d | 9419 | |
1bc5ad3a MR |
9420 | rval = qla4xxx_isp_check_reg(ha); |
9421 | if (rval != QLA_SUCCESS) { | |
9422 | ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n"); | |
9423 | return FAILED; | |
9424 | } | |
9425 | ||
b37ca418 | 9426 | if ((is_qla8032(ha) || is_qla8042(ha)) && ql4xdontresethba) |
6e7b4292 VC |
9427 | qla4_83xx_set_idc_dontreset(ha); |
9428 | ||
9429 | /* | |
b37ca418 VC |
9430 | * For ISP8324 and ISP8042, if IDC_CTRL DONTRESET_BIT0 is set by other |
9431 | * protocol drivers, we should not set device_state to NEED_RESET | |
6e7b4292 VC |
9432 | */ |
9433 | if (ql4xdontresethba || | |
b37ca418 VC |
9434 | ((is_qla8032(ha) || is_qla8042(ha)) && |
9435 | qla4_83xx_idc_dontreset(ha))) { | |
f4f5df23 VC |
9436 | DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n", |
9437 | ha->host_no, __func__)); | |
8a288960 SR |
9438 | |
9439 | /* Clear outstanding srb in queues */ | |
9440 | if (qla4xxx_is_eh_active(cmd->device->host)) | |
9441 | qla4xxx_abort_active_cmds(ha, DID_ABORT << 16); | |
9442 | ||
f4f5df23 VC |
9443 | return FAILED; |
9444 | } | |
9445 | ||
c2660df3 | 9446 | ql4_printk(KERN_INFO, ha, |
9cb78c16 | 9447 | "scsi(%ld:%d:%d:%llu): HOST RESET ISSUED.\n", ha->host_no, |
afaf5a2d DS |
9448 | cmd->device->channel, cmd->device->id, cmd->device->lun); |
9449 | ||
9450 | if (qla4xxx_wait_for_hba_online(ha) != QLA_SUCCESS) { | |
9451 | DEBUG2(printk("scsi%ld:%d: %s: Unable to reset host. Adapter " | |
9452 | "DEAD.\n", ha->host_no, cmd->device->channel, | |
9453 | __func__)); | |
9454 | ||
9455 | return FAILED; | |
9456 | } | |
9457 | ||
f4f5df23 | 9458 | if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) { |
6e7b4292 | 9459 | if (is_qla80XX(ha)) |
f4f5df23 VC |
9460 | set_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); |
9461 | else | |
9462 | set_bit(DPC_RESET_HA, &ha->dpc_flags); | |
9463 | } | |
50a29aec | 9464 | |
f4f5df23 | 9465 | if (qla4xxx_recover_adapter(ha) == QLA_SUCCESS) |
afaf5a2d | 9466 | return_status = SUCCESS; |
afaf5a2d | 9467 | |
c2660df3 | 9468 | ql4_printk(KERN_INFO, ha, "HOST RESET %s.\n", |
25985edc | 9469 | return_status == FAILED ? "FAILED" : "SUCCEEDED"); |
afaf5a2d DS |
9470 | |
9471 | return return_status; | |
9472 | } | |
9473 | ||
95d31262 VC |
9474 | static int qla4xxx_context_reset(struct scsi_qla_host *ha) |
9475 | { | |
9476 | uint32_t mbox_cmd[MBOX_REG_COUNT]; | |
9477 | uint32_t mbox_sts[MBOX_REG_COUNT]; | |
9478 | struct addr_ctrl_blk_def *acb = NULL; | |
9479 | uint32_t acb_len = sizeof(struct addr_ctrl_blk_def); | |
9480 | int rval = QLA_SUCCESS; | |
9481 | dma_addr_t acb_dma; | |
9482 | ||
9483 | acb = dma_alloc_coherent(&ha->pdev->dev, | |
9484 | sizeof(struct addr_ctrl_blk_def), | |
9485 | &acb_dma, GFP_KERNEL); | |
9486 | if (!acb) { | |
9487 | ql4_printk(KERN_ERR, ha, "%s: Unable to alloc acb\n", | |
9488 | __func__); | |
9489 | rval = -ENOMEM; | |
9490 | goto exit_port_reset; | |
9491 | } | |
9492 | ||
9493 | memset(acb, 0, acb_len); | |
9494 | ||
9495 | rval = qla4xxx_get_acb(ha, acb_dma, PRIMARI_ACB, acb_len); | |
9496 | if (rval != QLA_SUCCESS) { | |
9497 | rval = -EIO; | |
9498 | goto exit_free_acb; | |
9499 | } | |
9500 | ||
9501 | rval = qla4xxx_disable_acb(ha); | |
9502 | if (rval != QLA_SUCCESS) { | |
9503 | rval = -EIO; | |
9504 | goto exit_free_acb; | |
9505 | } | |
9506 | ||
9507 | wait_for_completion_timeout(&ha->disable_acb_comp, | |
9508 | DISABLE_ACB_TOV * HZ); | |
9509 | ||
9510 | rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], acb_dma); | |
9511 | if (rval != QLA_SUCCESS) { | |
9512 | rval = -EIO; | |
9513 | goto exit_free_acb; | |
9514 | } | |
9515 | ||
9516 | exit_free_acb: | |
9517 | dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk_def), | |
9518 | acb, acb_dma); | |
9519 | exit_port_reset: | |
9520 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s %s\n", __func__, | |
9521 | rval == QLA_SUCCESS ? "SUCCEEDED" : "FAILED")); | |
9522 | return rval; | |
9523 | } | |
9524 | ||
9525 | static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type) | |
9526 | { | |
9527 | struct scsi_qla_host *ha = to_qla_host(shost); | |
9528 | int rval = QLA_SUCCESS; | |
ebd777de | 9529 | uint32_t idc_ctrl; |
95d31262 VC |
9530 | |
9531 | if (ql4xdontresethba) { | |
9532 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Don't Reset HBA\n", | |
9533 | __func__)); | |
9534 | rval = -EPERM; | |
9535 | goto exit_host_reset; | |
9536 | } | |
9537 | ||
95d31262 VC |
9538 | if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) |
9539 | goto recover_adapter; | |
9540 | ||
9541 | switch (reset_type) { | |
9542 | case SCSI_ADAPTER_RESET: | |
9543 | set_bit(DPC_RESET_HA, &ha->dpc_flags); | |
9544 | break; | |
9545 | case SCSI_FIRMWARE_RESET: | |
9546 | if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) { | |
6e7b4292 | 9547 | if (is_qla80XX(ha)) |
95d31262 VC |
9548 | /* set firmware context reset */ |
9549 | set_bit(DPC_RESET_HA_FW_CONTEXT, | |
9550 | &ha->dpc_flags); | |
9551 | else { | |
9552 | rval = qla4xxx_context_reset(ha); | |
9553 | goto exit_host_reset; | |
9554 | } | |
9555 | } | |
9556 | break; | |
9557 | } | |
9558 | ||
9559 | recover_adapter: | |
b37ca418 | 9560 | /* For ISP8324 and ISP8042 set graceful reset bit in IDC_DRV_CTRL if |
ebd777de | 9561 | * reset is issued by application */ |
b37ca418 VC |
9562 | if ((is_qla8032(ha) || is_qla8042(ha)) && |
9563 | test_bit(DPC_RESET_HA, &ha->dpc_flags)) { | |
ebd777de VC |
9564 | idc_ctrl = qla4_83xx_rd_reg(ha, QLA83XX_IDC_DRV_CTRL); |
9565 | qla4_83xx_wr_reg(ha, QLA83XX_IDC_DRV_CTRL, | |
9566 | (idc_ctrl | GRACEFUL_RESET_BIT1)); | |
9567 | } | |
9568 | ||
95d31262 VC |
9569 | rval = qla4xxx_recover_adapter(ha); |
9570 | if (rval != QLA_SUCCESS) { | |
9571 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: recover adapter fail\n", | |
9572 | __func__)); | |
9573 | rval = -EIO; | |
9574 | } | |
9575 | ||
9576 | exit_host_reset: | |
9577 | return rval; | |
9578 | } | |
9579 | ||
2232be0d LC |
9580 | /* PCI AER driver recovers from all correctable errors w/o |
9581 | * driver intervention. For uncorrectable errors PCI AER | |
9582 | * driver calls the following device driver's callbacks | |
9583 | * | |
9584 | * - Fatal Errors - link_reset | |
364757e4 | 9585 | * - Non-Fatal Errors - driver's error_detected() which |
2232be0d LC |
9586 | * returns CAN_RECOVER, NEED_RESET or DISCONNECT. |
9587 | * | |
9588 | * PCI AER driver calls | |
364757e4 | 9589 | * CAN_RECOVER - driver's mmio_enabled(), mmio_enabled() |
2232be0d LC |
9590 | * returns RECOVERED or NEED_RESET if fw_hung |
9591 | * NEED_RESET - driver's slot_reset() | |
9592 | * DISCONNECT - device is dead & cannot recover | |
364757e4 | 9593 | * RECOVERED - driver's resume() |
2232be0d LC |
9594 | */ |
9595 | static pci_ers_result_t | |
9596 | qla4xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) | |
9597 | { | |
9598 | struct scsi_qla_host *ha = pci_get_drvdata(pdev); | |
9599 | ||
9600 | ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: error detected:state %x\n", | |
9601 | ha->host_no, __func__, state); | |
9602 | ||
9603 | if (!is_aer_supported(ha)) | |
9604 | return PCI_ERS_RESULT_NONE; | |
9605 | ||
9606 | switch (state) { | |
9607 | case pci_channel_io_normal: | |
9608 | clear_bit(AF_EEH_BUSY, &ha->flags); | |
9609 | return PCI_ERS_RESULT_CAN_RECOVER; | |
9610 | case pci_channel_io_frozen: | |
9611 | set_bit(AF_EEH_BUSY, &ha->flags); | |
9612 | qla4xxx_mailbox_premature_completion(ha); | |
9613 | qla4xxx_free_irqs(ha); | |
9614 | pci_disable_device(pdev); | |
7b3595df VC |
9615 | /* Return back all IOs */ |
9616 | qla4xxx_abort_active_cmds(ha, DID_RESET << 16); | |
2232be0d LC |
9617 | return PCI_ERS_RESULT_NEED_RESET; |
9618 | case pci_channel_io_perm_failure: | |
9619 | set_bit(AF_EEH_BUSY, &ha->flags); | |
9620 | set_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags); | |
9621 | qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); | |
9622 | return PCI_ERS_RESULT_DISCONNECT; | |
9623 | } | |
9624 | return PCI_ERS_RESULT_NEED_RESET; | |
9625 | } | |
9626 | ||
9627 | /** | |
9628 | * qla4xxx_pci_mmio_enabled() gets called if | |
9629 | * qla4xxx_pci_error_detected() returns PCI_ERS_RESULT_CAN_RECOVER | |
9630 | * and read/write to the device still works. | |
9631 | **/ | |
9632 | static pci_ers_result_t | |
9633 | qla4xxx_pci_mmio_enabled(struct pci_dev *pdev) | |
9634 | { | |
9635 | struct scsi_qla_host *ha = pci_get_drvdata(pdev); | |
9636 | ||
9637 | if (!is_aer_supported(ha)) | |
9638 | return PCI_ERS_RESULT_NONE; | |
9639 | ||
7b3595df | 9640 | return PCI_ERS_RESULT_RECOVERED; |
2232be0d LC |
9641 | } |
9642 | ||
7b3595df | 9643 | static uint32_t qla4_8xxx_error_recovery(struct scsi_qla_host *ha) |
2232be0d LC |
9644 | { |
9645 | uint32_t rval = QLA_ERROR; | |
9646 | int fn; | |
9647 | struct pci_dev *other_pdev = NULL; | |
9648 | ||
9649 | ql4_printk(KERN_WARNING, ha, "scsi%ld: In %s\n", ha->host_no, __func__); | |
9650 | ||
9651 | set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); | |
9652 | ||
9653 | if (test_bit(AF_ONLINE, &ha->flags)) { | |
9654 | clear_bit(AF_ONLINE, &ha->flags); | |
b3a271a9 MR |
9655 | clear_bit(AF_LINK_UP, &ha->flags); |
9656 | iscsi_host_for_each_session(ha->host, qla4xxx_fail_session); | |
2232be0d | 9657 | qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); |
2232be0d LC |
9658 | } |
9659 | ||
9660 | fn = PCI_FUNC(ha->pdev->devfn); | |
daa34eb4 TP |
9661 | if (is_qla8022(ha)) { |
9662 | while (fn > 0) { | |
9663 | fn--; | |
9664 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Finding PCI device at func %x\n", | |
9665 | ha->host_no, __func__, fn); | |
9666 | /* Get the pci device given the domain, bus, | |
9667 | * slot/function number */ | |
9668 | other_pdev = pci_get_domain_bus_and_slot( | |
9669 | pci_domain_nr(ha->pdev->bus), | |
9670 | ha->pdev->bus->number, | |
9671 | PCI_DEVFN(PCI_SLOT(ha->pdev->devfn), | |
9672 | fn)); | |
9673 | ||
9674 | if (!other_pdev) | |
9675 | continue; | |
2232be0d | 9676 | |
daa34eb4 TP |
9677 | if (atomic_read(&other_pdev->enable_cnt)) { |
9678 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Found PCI func in enabled state%x\n", | |
9679 | ha->host_no, __func__, fn); | |
9680 | pci_dev_put(other_pdev); | |
9681 | break; | |
9682 | } | |
2232be0d | 9683 | pci_dev_put(other_pdev); |
2232be0d | 9684 | } |
daa34eb4 TP |
9685 | } else { |
9686 | /* this case is meant for ISP83xx/ISP84xx only */ | |
9687 | if (qla4_83xx_can_perform_reset(ha)) { | |
9688 | /* reset fn as iSCSI is going to perform the reset */ | |
9689 | fn = 0; | |
9690 | } | |
2232be0d LC |
9691 | } |
9692 | ||
9693 | /* The first function on the card, the reset owner will | |
9694 | * start & initialize the firmware. The other functions | |
9695 | * on the card will reset the firmware context | |
9696 | */ | |
9697 | if (!fn) { | |
9698 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn being reset " | |
9699 | "0x%x is the owner\n", ha->host_no, __func__, | |
9700 | ha->pdev->devfn); | |
9701 | ||
33693c7a VC |
9702 | ha->isp_ops->idc_lock(ha); |
9703 | qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, | |
9704 | QLA8XXX_DEV_COLD); | |
33693c7a | 9705 | ha->isp_ops->idc_unlock(ha); |
39c95826 VC |
9706 | |
9707 | rval = qla4_8xxx_update_idc_reg(ha); | |
9708 | if (rval == QLA_ERROR) { | |
9709 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: FAILED\n", | |
9710 | ha->host_no, __func__); | |
9711 | ha->isp_ops->idc_lock(ha); | |
9712 | qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, | |
9713 | QLA8XXX_DEV_FAILED); | |
9714 | ha->isp_ops->idc_unlock(ha); | |
9715 | goto exit_error_recovery; | |
9716 | } | |
2232be0d | 9717 | |
2232be0d | 9718 | clear_bit(AF_FW_RECOVERY, &ha->flags); |
13483730 | 9719 | rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); |
2232be0d LC |
9720 | |
9721 | if (rval != QLA_SUCCESS) { | |
9722 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: " | |
9723 | "FAILED\n", ha->host_no, __func__); | |
37418cc6 | 9724 | qla4xxx_free_irqs(ha); |
82761907 | 9725 | ha->isp_ops->idc_lock(ha); |
2232be0d | 9726 | qla4_8xxx_clear_drv_active(ha); |
33693c7a VC |
9727 | qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, |
9728 | QLA8XXX_DEV_FAILED); | |
82761907 | 9729 | ha->isp_ops->idc_unlock(ha); |
2232be0d LC |
9730 | } else { |
9731 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: " | |
9732 | "READY\n", ha->host_no, __func__); | |
82761907 | 9733 | ha->isp_ops->idc_lock(ha); |
33693c7a VC |
9734 | qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, |
9735 | QLA8XXX_DEV_READY); | |
2232be0d | 9736 | /* Clear driver state register */ |
33693c7a | 9737 | qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DRV_STATE, 0); |
2232be0d | 9738 | qla4_8xxx_set_drv_active(ha); |
82761907 | 9739 | ha->isp_ops->idc_unlock(ha); |
137257da | 9740 | ha->isp_ops->enable_intrs(ha); |
2232be0d | 9741 | } |
2232be0d LC |
9742 | } else { |
9743 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn 0x%x is not " | |
9744 | "the reset owner\n", ha->host_no, __func__, | |
9745 | ha->pdev->devfn); | |
33693c7a VC |
9746 | if ((qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE) == |
9747 | QLA8XXX_DEV_READY)) { | |
2232be0d | 9748 | clear_bit(AF_FW_RECOVERY, &ha->flags); |
13483730 | 9749 | rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); |
137257da PV |
9750 | if (rval == QLA_SUCCESS) |
9751 | ha->isp_ops->enable_intrs(ha); | |
37418cc6 NJ |
9752 | else |
9753 | qla4xxx_free_irqs(ha); | |
137257da | 9754 | |
33693c7a | 9755 | ha->isp_ops->idc_lock(ha); |
2232be0d | 9756 | qla4_8xxx_set_drv_active(ha); |
33693c7a | 9757 | ha->isp_ops->idc_unlock(ha); |
2232be0d LC |
9758 | } |
9759 | } | |
39c95826 | 9760 | exit_error_recovery: |
2232be0d LC |
9761 | clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); |
9762 | return rval; | |
9763 | } | |
9764 | ||
9765 | static pci_ers_result_t | |
9766 | qla4xxx_pci_slot_reset(struct pci_dev *pdev) | |
9767 | { | |
9768 | pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT; | |
9769 | struct scsi_qla_host *ha = pci_get_drvdata(pdev); | |
9770 | int rc; | |
9771 | ||
9772 | ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: slot_reset\n", | |
9773 | ha->host_no, __func__); | |
9774 | ||
9775 | if (!is_aer_supported(ha)) | |
9776 | return PCI_ERS_RESULT_NONE; | |
9777 | ||
9778 | /* Restore the saved state of PCIe device - | |
9779 | * BAR registers, PCI Config space, PCIX, MSI, | |
9780 | * IOV states | |
9781 | */ | |
9782 | pci_restore_state(pdev); | |
9783 | ||
9784 | /* pci_restore_state() clears the saved_state flag of the device | |
9785 | * save restored state which resets saved_state flag | |
9786 | */ | |
9787 | pci_save_state(pdev); | |
9788 | ||
9789 | /* Initialize device or resume if in suspended state */ | |
9790 | rc = pci_enable_device(pdev); | |
9791 | if (rc) { | |
25985edc | 9792 | ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Can't re-enable " |
2232be0d LC |
9793 | "device after reset\n", ha->host_no, __func__); |
9794 | goto exit_slot_reset; | |
9795 | } | |
9796 | ||
7b3595df | 9797 | ha->isp_ops->disable_intrs(ha); |
2232be0d | 9798 | |
6e7b4292 | 9799 | if (is_qla80XX(ha)) { |
2232be0d LC |
9800 | if (qla4_8xxx_error_recovery(ha) == QLA_SUCCESS) { |
9801 | ret = PCI_ERS_RESULT_RECOVERED; | |
9802 | goto exit_slot_reset; | |
9803 | } else | |
9804 | goto exit_slot_reset; | |
9805 | } | |
9806 | ||
9807 | exit_slot_reset: | |
9808 | ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Return=%x\n" | |
9809 | "device after reset\n", ha->host_no, __func__, ret); | |
9810 | return ret; | |
9811 | } | |
9812 | ||
9813 | static void | |
9814 | qla4xxx_pci_resume(struct pci_dev *pdev) | |
9815 | { | |
9816 | struct scsi_qla_host *ha = pci_get_drvdata(pdev); | |
9817 | int ret; | |
9818 | ||
9819 | ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: pci_resume\n", | |
9820 | ha->host_no, __func__); | |
9821 | ||
9822 | ret = qla4xxx_wait_for_hba_online(ha); | |
9823 | if (ret != QLA_SUCCESS) { | |
9824 | ql4_printk(KERN_ERR, ha, "scsi%ld: %s: the device failed to " | |
9825 | "resume I/O from slot/link_reset\n", ha->host_no, | |
9826 | __func__); | |
9827 | } | |
9828 | ||
9829 | pci_cleanup_aer_uncorrect_error_status(pdev); | |
9830 | clear_bit(AF_EEH_BUSY, &ha->flags); | |
9831 | } | |
9832 | ||
a55b2d21 | 9833 | static const struct pci_error_handlers qla4xxx_err_handler = { |
2232be0d LC |
9834 | .error_detected = qla4xxx_pci_error_detected, |
9835 | .mmio_enabled = qla4xxx_pci_mmio_enabled, | |
9836 | .slot_reset = qla4xxx_pci_slot_reset, | |
9837 | .resume = qla4xxx_pci_resume, | |
9838 | }; | |
9839 | ||
afaf5a2d DS |
9840 | static struct pci_device_id qla4xxx_pci_tbl[] = { |
9841 | { | |
9842 | .vendor = PCI_VENDOR_ID_QLOGIC, | |
9843 | .device = PCI_DEVICE_ID_QLOGIC_ISP4010, | |
9844 | .subvendor = PCI_ANY_ID, | |
9845 | .subdevice = PCI_ANY_ID, | |
9846 | }, | |
9847 | { | |
9848 | .vendor = PCI_VENDOR_ID_QLOGIC, | |
9849 | .device = PCI_DEVICE_ID_QLOGIC_ISP4022, | |
9850 | .subvendor = PCI_ANY_ID, | |
9851 | .subdevice = PCI_ANY_ID, | |
9852 | }, | |
d915058f DS |
9853 | { |
9854 | .vendor = PCI_VENDOR_ID_QLOGIC, | |
9855 | .device = PCI_DEVICE_ID_QLOGIC_ISP4032, | |
9856 | .subvendor = PCI_ANY_ID, | |
9857 | .subdevice = PCI_ANY_ID, | |
9858 | }, | |
f4f5df23 VC |
9859 | { |
9860 | .vendor = PCI_VENDOR_ID_QLOGIC, | |
9861 | .device = PCI_DEVICE_ID_QLOGIC_ISP8022, | |
9862 | .subvendor = PCI_ANY_ID, | |
9863 | .subdevice = PCI_ANY_ID, | |
9864 | }, | |
6e7b4292 VC |
9865 | { |
9866 | .vendor = PCI_VENDOR_ID_QLOGIC, | |
9867 | .device = PCI_DEVICE_ID_QLOGIC_ISP8324, | |
9868 | .subvendor = PCI_ANY_ID, | |
9869 | .subdevice = PCI_ANY_ID, | |
9870 | }, | |
b37ca418 VC |
9871 | { |
9872 | .vendor = PCI_VENDOR_ID_QLOGIC, | |
9873 | .device = PCI_DEVICE_ID_QLOGIC_ISP8042, | |
9874 | .subvendor = PCI_ANY_ID, | |
9875 | .subdevice = PCI_ANY_ID, | |
9876 | }, | |
afaf5a2d DS |
9877 | {0, 0}, |
9878 | }; | |
9879 | MODULE_DEVICE_TABLE(pci, qla4xxx_pci_tbl); | |
9880 | ||
47975477 | 9881 | static struct pci_driver qla4xxx_pci_driver = { |
afaf5a2d DS |
9882 | .name = DRIVER_NAME, |
9883 | .id_table = qla4xxx_pci_tbl, | |
9884 | .probe = qla4xxx_probe_adapter, | |
9885 | .remove = qla4xxx_remove_adapter, | |
2232be0d | 9886 | .err_handler = &qla4xxx_err_handler, |
afaf5a2d DS |
9887 | }; |
9888 | ||
9889 | static int __init qla4xxx_module_init(void) | |
9890 | { | |
9891 | int ret; | |
9892 | ||
c40ecc12 CH |
9893 | if (ql4xqfulltracking) |
9894 | qla4xxx_driver_template.track_queue_depth = 1; | |
9895 | ||
afaf5a2d DS |
9896 | /* Allocate cache for SRBs. */ |
9897 | srb_cachep = kmem_cache_create("qla4xxx_srbs", sizeof(struct srb), 0, | |
20c2df83 | 9898 | SLAB_HWCACHE_ALIGN, NULL); |
afaf5a2d DS |
9899 | if (srb_cachep == NULL) { |
9900 | printk(KERN_ERR | |
9901 | "%s: Unable to allocate SRB cache..." | |
9902 | "Failing load!\n", DRIVER_NAME); | |
9903 | ret = -ENOMEM; | |
9904 | goto no_srp_cache; | |
9905 | } | |
9906 | ||
9907 | /* Derive version string. */ | |
9908 | strcpy(qla4xxx_version_str, QLA4XXX_DRIVER_VERSION); | |
11010fec | 9909 | if (ql4xextended_error_logging) |
afaf5a2d DS |
9910 | strcat(qla4xxx_version_str, "-debug"); |
9911 | ||
9912 | qla4xxx_scsi_transport = | |
9913 | iscsi_register_transport(&qla4xxx_iscsi_transport); | |
9914 | if (!qla4xxx_scsi_transport){ | |
9915 | ret = -ENODEV; | |
9916 | goto release_srb_cache; | |
9917 | } | |
9918 | ||
afaf5a2d DS |
9919 | ret = pci_register_driver(&qla4xxx_pci_driver); |
9920 | if (ret) | |
9921 | goto unregister_transport; | |
9922 | ||
9923 | printk(KERN_INFO "QLogic iSCSI HBA Driver\n"); | |
9924 | return 0; | |
5ae16db3 | 9925 | |
afaf5a2d DS |
9926 | unregister_transport: |
9927 | iscsi_unregister_transport(&qla4xxx_iscsi_transport); | |
9928 | release_srb_cache: | |
9929 | kmem_cache_destroy(srb_cachep); | |
9930 | no_srp_cache: | |
9931 | return ret; | |
9932 | } | |
9933 | ||
9934 | static void __exit qla4xxx_module_exit(void) | |
9935 | { | |
9936 | pci_unregister_driver(&qla4xxx_pci_driver); | |
9937 | iscsi_unregister_transport(&qla4xxx_iscsi_transport); | |
9938 | kmem_cache_destroy(srb_cachep); | |
9939 | } | |
9940 | ||
9941 | module_init(qla4xxx_module_init); | |
9942 | module_exit(qla4xxx_module_exit); | |
9943 | ||
9944 | MODULE_AUTHOR("QLogic Corporation"); | |
9945 | MODULE_DESCRIPTION("QLogic iSCSI HBA Driver"); | |
9946 | MODULE_LICENSE("GPL"); | |
9947 | MODULE_VERSION(QLA4XXX_DRIVER_VERSION); |