Commit | Line | Data |
---|---|---|
afaf5a2d DS |
1 | /* |
2 | * QLogic iSCSI HBA Driver | |
7d01d069 | 3 | * Copyright (c) 2003-2010 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" | |
afaf5a2d DS |
21 | |
22 | /* | |
23 | * Driver version | |
24 | */ | |
47975477 | 25 | static char qla4xxx_version_str[40]; |
afaf5a2d DS |
26 | |
27 | /* | |
28 | * SRB allocation cache | |
29 | */ | |
e18b890b | 30 | static struct kmem_cache *srb_cachep; |
afaf5a2d DS |
31 | |
32 | /* | |
33 | * Module parameter information and variables | |
34 | */ | |
a7380a65 | 35 | static int ql4xdisablesysfsboot = 1; |
13483730 MC |
36 | module_param(ql4xdisablesysfsboot, int, S_IRUGO | S_IWUSR); |
37 | MODULE_PARM_DESC(ql4xdisablesysfsboot, | |
a4e8a715 KH |
38 | " Set to disable exporting boot targets to sysfs.\n" |
39 | "\t\t 0 - Export boot targets\n" | |
40 | "\t\t 1 - Do not export boot targets (Default)"); | |
13483730 | 41 | |
3573bfb2 | 42 | int ql4xdontresethba; |
f4f5df23 | 43 | module_param(ql4xdontresethba, int, S_IRUGO | S_IWUSR); |
afaf5a2d | 44 | MODULE_PARM_DESC(ql4xdontresethba, |
a4e8a715 KH |
45 | " Don't reset the HBA for driver recovery.\n" |
46 | "\t\t 0 - It will reset HBA (Default)\n" | |
47 | "\t\t 1 - It will NOT reset HBA"); | |
afaf5a2d | 48 | |
a4e8a715 | 49 | int ql4xextended_error_logging; |
f4f5df23 | 50 | module_param(ql4xextended_error_logging, int, S_IRUGO | S_IWUSR); |
11010fec | 51 | MODULE_PARM_DESC(ql4xextended_error_logging, |
a4e8a715 KH |
52 | " Option to enable extended error logging.\n" |
53 | "\t\t 0 - no logging (Default)\n" | |
54 | "\t\t 2 - debug logging"); | |
afaf5a2d | 55 | |
f4f5df23 VC |
56 | int ql4xenablemsix = 1; |
57 | module_param(ql4xenablemsix, int, S_IRUGO|S_IWUSR); | |
58 | MODULE_PARM_DESC(ql4xenablemsix, | |
a4e8a715 KH |
59 | " Set to enable MSI or MSI-X interrupt mechanism.\n" |
60 | "\t\t 0 = enable INTx interrupt mechanism.\n" | |
61 | "\t\t 1 = enable MSI-X interrupt mechanism (Default).\n" | |
62 | "\t\t 2 = enable MSI interrupt mechanism."); | |
477ffb9d | 63 | |
d510d965 | 64 | #define QL4_DEF_QDEPTH 32 |
8bb4033d VC |
65 | static int ql4xmaxqdepth = QL4_DEF_QDEPTH; |
66 | module_param(ql4xmaxqdepth, int, S_IRUGO | S_IWUSR); | |
67 | MODULE_PARM_DESC(ql4xmaxqdepth, | |
a4e8a715 KH |
68 | " Maximum queue depth to report for target devices.\n" |
69 | "\t\t Default: 32."); | |
d510d965 | 70 | |
f7b4aa63 TP |
71 | static int ql4xqfulltracking = 1; |
72 | module_param(ql4xqfulltracking, int, S_IRUGO | S_IWUSR); | |
73 | MODULE_PARM_DESC(ql4xqfulltracking, | |
74 | " Enable or disable dynamic tracking and adjustment of\n" | |
75 | "\t\t scsi device queue depth.\n" | |
76 | "\t\t 0 - Disable.\n" | |
77 | "\t\t 1 - Enable. (Default)"); | |
78 | ||
3038727c VC |
79 | static int ql4xsess_recovery_tmo = QL4_SESS_RECOVERY_TMO; |
80 | module_param(ql4xsess_recovery_tmo, int, S_IRUGO); | |
81 | MODULE_PARM_DESC(ql4xsess_recovery_tmo, | |
3573bfb2 | 82 | " Target Session Recovery Timeout.\n" |
a4e8a715 | 83 | "\t\t Default: 120 sec."); |
3038727c | 84 | |
068237c8 TP |
85 | int ql4xmdcapmask = 0x1F; |
86 | module_param(ql4xmdcapmask, int, S_IRUGO); | |
87 | MODULE_PARM_DESC(ql4xmdcapmask, | |
88 | " Set the Minidump driver capture mask level.\n" | |
89 | "\t\t Default is 0x1F.\n" | |
90 | "\t\t Can be set to 0x3, 0x7, 0xF, 0x1F, 0x3F, 0x7F"); | |
91 | ||
92 | int ql4xenablemd = 1; | |
93 | module_param(ql4xenablemd, int, S_IRUGO | S_IWUSR); | |
94 | MODULE_PARM_DESC(ql4xenablemd, | |
95 | " Set to enable minidump.\n" | |
96 | "\t\t 0 - disable minidump\n" | |
97 | "\t\t 1 - enable minidump (Default)"); | |
98 | ||
b3a271a9 | 99 | static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha); |
afaf5a2d DS |
100 | /* |
101 | * SCSI host template entry points | |
102 | */ | |
47975477 | 103 | static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha); |
afaf5a2d DS |
104 | |
105 | /* | |
106 | * iSCSI template entry points | |
107 | */ | |
fca9f04d MC |
108 | static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess, |
109 | enum iscsi_param param, char *buf); | |
afaf5a2d DS |
110 | static int qla4xxx_conn_get_param(struct iscsi_cls_conn *conn, |
111 | enum iscsi_param param, char *buf); | |
aa1e93a2 MC |
112 | static int qla4xxx_host_get_param(struct Scsi_Host *shost, |
113 | enum iscsi_host_param param, char *buf); | |
00c31889 MC |
114 | static int qla4xxx_iface_set_param(struct Scsi_Host *shost, void *data, |
115 | uint32_t len); | |
ed1086e0 VC |
116 | static int qla4xxx_get_iface_param(struct iscsi_iface *iface, |
117 | enum iscsi_param_type param_type, | |
118 | int param, char *buf); | |
5c656af7 | 119 | static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc); |
b3a271a9 MR |
120 | static struct iscsi_endpoint *qla4xxx_ep_connect(struct Scsi_Host *shost, |
121 | struct sockaddr *dst_addr, | |
122 | int non_blocking); | |
123 | static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms); | |
124 | static void qla4xxx_ep_disconnect(struct iscsi_endpoint *ep); | |
125 | static int qla4xxx_get_ep_param(struct iscsi_endpoint *ep, | |
126 | enum iscsi_param param, char *buf); | |
127 | static int qla4xxx_conn_start(struct iscsi_cls_conn *conn); | |
128 | static struct iscsi_cls_conn * | |
129 | qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx); | |
130 | static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session, | |
131 | struct iscsi_cls_conn *cls_conn, | |
132 | uint64_t transport_fd, int is_leading); | |
133 | static void qla4xxx_conn_destroy(struct iscsi_cls_conn *conn); | |
134 | static struct iscsi_cls_session * | |
135 | qla4xxx_session_create(struct iscsi_endpoint *ep, uint16_t cmds_max, | |
136 | uint16_t qdepth, uint32_t initial_cmdsn); | |
137 | static void qla4xxx_session_destroy(struct iscsi_cls_session *sess); | |
138 | static void qla4xxx_task_work(struct work_struct *wdata); | |
139 | static int qla4xxx_alloc_pdu(struct iscsi_task *, uint8_t); | |
140 | static int qla4xxx_task_xmit(struct iscsi_task *); | |
141 | static void qla4xxx_task_cleanup(struct iscsi_task *); | |
142 | static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session); | |
143 | static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn, | |
144 | struct iscsi_stats *stats); | |
c0b9d3f7 VC |
145 | static int qla4xxx_send_ping(struct Scsi_Host *shost, uint32_t iface_num, |
146 | uint32_t iface_type, uint32_t payload_size, | |
147 | uint32_t pid, struct sockaddr *dst_addr); | |
376738af NJ |
148 | static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx, |
149 | uint32_t *num_entries, char *buf); | |
150 | static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx); | |
c0b9d3f7 | 151 | |
afaf5a2d DS |
152 | /* |
153 | * SCSI host template entry points | |
154 | */ | |
f281233d | 155 | static int qla4xxx_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd); |
09a0f719 | 156 | static int qla4xxx_eh_abort(struct scsi_cmnd *cmd); |
afaf5a2d | 157 | static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd); |
ce545039 | 158 | static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd); |
afaf5a2d DS |
159 | static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd); |
160 | static int qla4xxx_slave_alloc(struct scsi_device *device); | |
161 | static int qla4xxx_slave_configure(struct scsi_device *device); | |
162 | static void qla4xxx_slave_destroy(struct scsi_device *sdev); | |
587a1f16 | 163 | static umode_t ql4_attr_is_visible(int param_type, int param); |
95d31262 | 164 | static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type); |
f7b4aa63 TP |
165 | static int qla4xxx_change_queue_depth(struct scsi_device *sdev, int qdepth, |
166 | int reason); | |
afaf5a2d | 167 | |
f4f5df23 VC |
168 | static struct qla4_8xxx_legacy_intr_set legacy_intr[] = |
169 | QLA82XX_LEGACY_INTR_CONFIG; | |
170 | ||
afaf5a2d DS |
171 | static struct scsi_host_template qla4xxx_driver_template = { |
172 | .module = THIS_MODULE, | |
173 | .name = DRIVER_NAME, | |
174 | .proc_name = DRIVER_NAME, | |
175 | .queuecommand = qla4xxx_queuecommand, | |
176 | ||
09a0f719 | 177 | .eh_abort_handler = qla4xxx_eh_abort, |
afaf5a2d | 178 | .eh_device_reset_handler = qla4xxx_eh_device_reset, |
ce545039 | 179 | .eh_target_reset_handler = qla4xxx_eh_target_reset, |
afaf5a2d | 180 | .eh_host_reset_handler = qla4xxx_eh_host_reset, |
5c656af7 | 181 | .eh_timed_out = qla4xxx_eh_cmd_timed_out, |
afaf5a2d DS |
182 | |
183 | .slave_configure = qla4xxx_slave_configure, | |
184 | .slave_alloc = qla4xxx_slave_alloc, | |
185 | .slave_destroy = qla4xxx_slave_destroy, | |
f7b4aa63 | 186 | .change_queue_depth = qla4xxx_change_queue_depth, |
afaf5a2d DS |
187 | |
188 | .this_id = -1, | |
189 | .cmd_per_lun = 3, | |
190 | .use_clustering = ENABLE_CLUSTERING, | |
191 | .sg_tablesize = SG_ALL, | |
192 | ||
193 | .max_sectors = 0xFFFF, | |
7ad633c0 | 194 | .shost_attrs = qla4xxx_host_attrs, |
95d31262 | 195 | .host_reset = qla4xxx_host_reset, |
a355943c | 196 | .vendor_id = SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC, |
afaf5a2d DS |
197 | }; |
198 | ||
199 | static struct iscsi_transport qla4xxx_iscsi_transport = { | |
200 | .owner = THIS_MODULE, | |
201 | .name = DRIVER_NAME, | |
b3a271a9 MR |
202 | .caps = CAP_TEXT_NEGO | |
203 | CAP_DATA_PATH_OFFLOAD | CAP_HDRDGST | | |
204 | CAP_DATADGST | CAP_LOGIN_OFFLOAD | | |
205 | CAP_MULTI_R2T, | |
3128c6c7 | 206 | .attr_is_visible = ql4_attr_is_visible, |
b3a271a9 MR |
207 | .create_session = qla4xxx_session_create, |
208 | .destroy_session = qla4xxx_session_destroy, | |
209 | .start_conn = qla4xxx_conn_start, | |
210 | .create_conn = qla4xxx_conn_create, | |
211 | .bind_conn = qla4xxx_conn_bind, | |
212 | .stop_conn = iscsi_conn_stop, | |
213 | .destroy_conn = qla4xxx_conn_destroy, | |
214 | .set_param = iscsi_set_param, | |
afaf5a2d | 215 | .get_conn_param = qla4xxx_conn_get_param, |
fca9f04d | 216 | .get_session_param = qla4xxx_session_get_param, |
b3a271a9 MR |
217 | .get_ep_param = qla4xxx_get_ep_param, |
218 | .ep_connect = qla4xxx_ep_connect, | |
219 | .ep_poll = qla4xxx_ep_poll, | |
220 | .ep_disconnect = qla4xxx_ep_disconnect, | |
221 | .get_stats = qla4xxx_conn_get_stats, | |
222 | .send_pdu = iscsi_conn_send_pdu, | |
223 | .xmit_task = qla4xxx_task_xmit, | |
224 | .cleanup_task = qla4xxx_task_cleanup, | |
225 | .alloc_pdu = qla4xxx_alloc_pdu, | |
226 | ||
aa1e93a2 | 227 | .get_host_param = qla4xxx_host_get_param, |
d00efe3f | 228 | .set_iface_param = qla4xxx_iface_set_param, |
ed1086e0 | 229 | .get_iface_param = qla4xxx_get_iface_param, |
a355943c | 230 | .bsg_request = qla4xxx_bsg_request, |
c0b9d3f7 | 231 | .send_ping = qla4xxx_send_ping, |
376738af NJ |
232 | .get_chap = qla4xxx_get_chap_list, |
233 | .delete_chap = qla4xxx_delete_chap, | |
afaf5a2d DS |
234 | }; |
235 | ||
236 | static struct scsi_transport_template *qla4xxx_scsi_transport; | |
237 | ||
c0b9d3f7 VC |
238 | static int qla4xxx_send_ping(struct Scsi_Host *shost, uint32_t iface_num, |
239 | uint32_t iface_type, uint32_t payload_size, | |
240 | uint32_t pid, struct sockaddr *dst_addr) | |
241 | { | |
242 | struct scsi_qla_host *ha = to_qla_host(shost); | |
243 | struct sockaddr_in *addr; | |
244 | struct sockaddr_in6 *addr6; | |
245 | uint32_t options = 0; | |
246 | uint8_t ipaddr[IPv6_ADDR_LEN]; | |
247 | int rval; | |
248 | ||
249 | memset(ipaddr, 0, IPv6_ADDR_LEN); | |
250 | /* IPv4 to IPv4 */ | |
251 | if ((iface_type == ISCSI_IFACE_TYPE_IPV4) && | |
252 | (dst_addr->sa_family == AF_INET)) { | |
253 | addr = (struct sockaddr_in *)dst_addr; | |
254 | memcpy(ipaddr, &addr->sin_addr.s_addr, IP_ADDR_LEN); | |
255 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv4 Ping src: %pI4 " | |
256 | "dest: %pI4\n", __func__, | |
257 | &ha->ip_config.ip_address, ipaddr)); | |
258 | rval = qla4xxx_ping_iocb(ha, options, payload_size, pid, | |
259 | ipaddr); | |
260 | if (rval) | |
261 | rval = -EINVAL; | |
262 | } else if ((iface_type == ISCSI_IFACE_TYPE_IPV6) && | |
263 | (dst_addr->sa_family == AF_INET6)) { | |
264 | /* IPv6 to IPv6 */ | |
265 | addr6 = (struct sockaddr_in6 *)dst_addr; | |
266 | memcpy(ipaddr, &addr6->sin6_addr.in6_u.u6_addr8, IPv6_ADDR_LEN); | |
267 | ||
268 | options |= PING_IPV6_PROTOCOL_ENABLE; | |
269 | ||
270 | /* Ping using LinkLocal address */ | |
271 | if ((iface_num == 0) || (iface_num == 1)) { | |
272 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: LinkLocal Ping " | |
273 | "src: %pI6 dest: %pI6\n", __func__, | |
274 | &ha->ip_config.ipv6_link_local_addr, | |
275 | ipaddr)); | |
276 | options |= PING_IPV6_LINKLOCAL_ADDR; | |
277 | rval = qla4xxx_ping_iocb(ha, options, payload_size, | |
278 | pid, ipaddr); | |
279 | } else { | |
280 | ql4_printk(KERN_WARNING, ha, "%s: iface num = %d " | |
281 | "not supported\n", __func__, iface_num); | |
282 | rval = -ENOSYS; | |
283 | goto exit_send_ping; | |
284 | } | |
285 | ||
286 | /* | |
287 | * If ping using LinkLocal address fails, try ping using | |
288 | * IPv6 address | |
289 | */ | |
290 | if (rval != QLA_SUCCESS) { | |
291 | options &= ~PING_IPV6_LINKLOCAL_ADDR; | |
292 | if (iface_num == 0) { | |
293 | options |= PING_IPV6_ADDR0; | |
294 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 " | |
295 | "Ping src: %pI6 " | |
296 | "dest: %pI6\n", __func__, | |
297 | &ha->ip_config.ipv6_addr0, | |
298 | ipaddr)); | |
299 | } else if (iface_num == 1) { | |
300 | options |= PING_IPV6_ADDR1; | |
301 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 " | |
302 | "Ping src: %pI6 " | |
303 | "dest: %pI6\n", __func__, | |
304 | &ha->ip_config.ipv6_addr1, | |
305 | ipaddr)); | |
306 | } | |
307 | rval = qla4xxx_ping_iocb(ha, options, payload_size, | |
308 | pid, ipaddr); | |
309 | if (rval) | |
310 | rval = -EINVAL; | |
311 | } | |
312 | } else | |
313 | rval = -ENOSYS; | |
314 | exit_send_ping: | |
315 | return rval; | |
316 | } | |
317 | ||
587a1f16 | 318 | static umode_t ql4_attr_is_visible(int param_type, int param) |
3128c6c7 MC |
319 | { |
320 | switch (param_type) { | |
f27fb2ef MC |
321 | case ISCSI_HOST_PARAM: |
322 | switch (param) { | |
323 | case ISCSI_HOST_PARAM_HWADDRESS: | |
324 | case ISCSI_HOST_PARAM_IPADDRESS: | |
325 | case ISCSI_HOST_PARAM_INITIATOR_NAME: | |
3254dbe9 VC |
326 | case ISCSI_HOST_PARAM_PORT_STATE: |
327 | case ISCSI_HOST_PARAM_PORT_SPEED: | |
f27fb2ef MC |
328 | return S_IRUGO; |
329 | default: | |
330 | return 0; | |
331 | } | |
3128c6c7 MC |
332 | case ISCSI_PARAM: |
333 | switch (param) { | |
590134fa MC |
334 | case ISCSI_PARAM_PERSISTENT_ADDRESS: |
335 | case ISCSI_PARAM_PERSISTENT_PORT: | |
3128c6c7 MC |
336 | case ISCSI_PARAM_CONN_ADDRESS: |
337 | case ISCSI_PARAM_CONN_PORT: | |
1d063c17 MC |
338 | case ISCSI_PARAM_TARGET_NAME: |
339 | case ISCSI_PARAM_TPGT: | |
340 | case ISCSI_PARAM_TARGET_ALIAS: | |
b3a271a9 MR |
341 | case ISCSI_PARAM_MAX_BURST: |
342 | case ISCSI_PARAM_MAX_R2T: | |
343 | case ISCSI_PARAM_FIRST_BURST: | |
344 | case ISCSI_PARAM_MAX_RECV_DLENGTH: | |
345 | case ISCSI_PARAM_MAX_XMIT_DLENGTH: | |
de37920b | 346 | case ISCSI_PARAM_IFACE_NAME: |
fca9f04d MC |
347 | case ISCSI_PARAM_CHAP_OUT_IDX: |
348 | case ISCSI_PARAM_CHAP_IN_IDX: | |
349 | case ISCSI_PARAM_USERNAME: | |
350 | case ISCSI_PARAM_PASSWORD: | |
351 | case ISCSI_PARAM_USERNAME_IN: | |
352 | case ISCSI_PARAM_PASSWORD_IN: | |
3128c6c7 MC |
353 | return S_IRUGO; |
354 | default: | |
355 | return 0; | |
356 | } | |
b78dbba0 MC |
357 | case ISCSI_NET_PARAM: |
358 | switch (param) { | |
359 | case ISCSI_NET_PARAM_IPV4_ADDR: | |
360 | case ISCSI_NET_PARAM_IPV4_SUBNET: | |
361 | case ISCSI_NET_PARAM_IPV4_GW: | |
362 | case ISCSI_NET_PARAM_IPV4_BOOTPROTO: | |
363 | case ISCSI_NET_PARAM_IFACE_ENABLE: | |
364 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL: | |
365 | case ISCSI_NET_PARAM_IPV6_ADDR: | |
366 | case ISCSI_NET_PARAM_IPV6_ROUTER: | |
367 | case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: | |
368 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: | |
6ac73e8c VC |
369 | case ISCSI_NET_PARAM_VLAN_ID: |
370 | case ISCSI_NET_PARAM_VLAN_PRIORITY: | |
371 | case ISCSI_NET_PARAM_VLAN_ENABLED: | |
943c157b | 372 | case ISCSI_NET_PARAM_MTU: |
2ada7fc5 | 373 | case ISCSI_NET_PARAM_PORT: |
b78dbba0 MC |
374 | return S_IRUGO; |
375 | default: | |
376 | return 0; | |
377 | } | |
3128c6c7 MC |
378 | } |
379 | ||
380 | return 0; | |
381 | } | |
382 | ||
376738af NJ |
383 | static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx, |
384 | uint32_t *num_entries, char *buf) | |
385 | { | |
386 | struct scsi_qla_host *ha = to_qla_host(shost); | |
387 | struct ql4_chap_table *chap_table; | |
388 | struct iscsi_chap_rec *chap_rec; | |
389 | int max_chap_entries = 0; | |
390 | int valid_chap_entries = 0; | |
391 | int ret = 0, i; | |
392 | ||
393 | if (is_qla8022(ha)) | |
394 | max_chap_entries = (ha->hw.flt_chap_size / 2) / | |
395 | sizeof(struct ql4_chap_table); | |
396 | else | |
397 | max_chap_entries = MAX_CHAP_ENTRIES_40XX; | |
398 | ||
399 | ql4_printk(KERN_INFO, ha, "%s: num_entries = %d, CHAP idx = %d\n", | |
400 | __func__, *num_entries, chap_tbl_idx); | |
401 | ||
402 | if (!buf) { | |
403 | ret = -ENOMEM; | |
404 | goto exit_get_chap_list; | |
405 | } | |
406 | ||
407 | chap_rec = (struct iscsi_chap_rec *) buf; | |
408 | mutex_lock(&ha->chap_sem); | |
409 | for (i = chap_tbl_idx; i < max_chap_entries; i++) { | |
410 | chap_table = (struct ql4_chap_table *)ha->chap_list + i; | |
411 | if (chap_table->cookie != | |
412 | __constant_cpu_to_le16(CHAP_VALID_COOKIE)) | |
413 | continue; | |
414 | ||
415 | chap_rec->chap_tbl_idx = i; | |
416 | strncpy(chap_rec->username, chap_table->name, | |
417 | ISCSI_CHAP_AUTH_NAME_MAX_LEN); | |
418 | strncpy(chap_rec->password, chap_table->secret, | |
419 | QL4_CHAP_MAX_SECRET_LEN); | |
420 | chap_rec->password_length = chap_table->secret_len; | |
421 | ||
422 | if (chap_table->flags & BIT_7) /* local */ | |
423 | chap_rec->chap_type = CHAP_TYPE_OUT; | |
424 | ||
425 | if (chap_table->flags & BIT_6) /* peer */ | |
426 | chap_rec->chap_type = CHAP_TYPE_IN; | |
427 | ||
428 | chap_rec++; | |
429 | ||
430 | valid_chap_entries++; | |
431 | if (valid_chap_entries == *num_entries) | |
432 | break; | |
433 | else | |
434 | continue; | |
435 | } | |
436 | mutex_unlock(&ha->chap_sem); | |
437 | ||
438 | exit_get_chap_list: | |
439 | ql4_printk(KERN_INFO, ha, "%s: Valid CHAP Entries = %d\n", | |
440 | __func__, valid_chap_entries); | |
441 | *num_entries = valid_chap_entries; | |
442 | return ret; | |
443 | } | |
444 | ||
445 | static int __qla4xxx_is_chap_active(struct device *dev, void *data) | |
446 | { | |
447 | int ret = 0; | |
448 | uint16_t *chap_tbl_idx = (uint16_t *) data; | |
449 | struct iscsi_cls_session *cls_session; | |
450 | struct iscsi_session *sess; | |
451 | struct ddb_entry *ddb_entry; | |
452 | ||
453 | if (!iscsi_is_session_dev(dev)) | |
454 | goto exit_is_chap_active; | |
455 | ||
456 | cls_session = iscsi_dev_to_session(dev); | |
457 | sess = cls_session->dd_data; | |
458 | ddb_entry = sess->dd_data; | |
459 | ||
460 | if (iscsi_session_chkready(cls_session)) | |
461 | goto exit_is_chap_active; | |
462 | ||
463 | if (ddb_entry->chap_tbl_idx == *chap_tbl_idx) | |
464 | ret = 1; | |
465 | ||
466 | exit_is_chap_active: | |
467 | return ret; | |
468 | } | |
469 | ||
470 | static int qla4xxx_is_chap_active(struct Scsi_Host *shost, | |
471 | uint16_t chap_tbl_idx) | |
472 | { | |
473 | int ret = 0; | |
474 | ||
475 | ret = device_for_each_child(&shost->shost_gendev, &chap_tbl_idx, | |
476 | __qla4xxx_is_chap_active); | |
477 | ||
478 | return ret; | |
479 | } | |
480 | ||
481 | static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx) | |
482 | { | |
483 | struct scsi_qla_host *ha = to_qla_host(shost); | |
484 | struct ql4_chap_table *chap_table; | |
485 | dma_addr_t chap_dma; | |
486 | int max_chap_entries = 0; | |
487 | uint32_t offset = 0; | |
488 | uint32_t chap_size; | |
489 | int ret = 0; | |
490 | ||
491 | chap_table = dma_pool_alloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma); | |
492 | if (chap_table == NULL) | |
493 | return -ENOMEM; | |
494 | ||
495 | memset(chap_table, 0, sizeof(struct ql4_chap_table)); | |
496 | ||
497 | if (is_qla8022(ha)) | |
498 | max_chap_entries = (ha->hw.flt_chap_size / 2) / | |
499 | sizeof(struct ql4_chap_table); | |
500 | else | |
501 | max_chap_entries = MAX_CHAP_ENTRIES_40XX; | |
502 | ||
503 | if (chap_tbl_idx > max_chap_entries) { | |
504 | ret = -EINVAL; | |
505 | goto exit_delete_chap; | |
506 | } | |
507 | ||
508 | /* Check if chap index is in use. | |
509 | * If chap is in use don't delet chap entry */ | |
510 | ret = qla4xxx_is_chap_active(shost, chap_tbl_idx); | |
511 | if (ret) { | |
512 | ql4_printk(KERN_INFO, ha, "CHAP entry %d is in use, cannot " | |
513 | "delete from flash\n", chap_tbl_idx); | |
514 | ret = -EBUSY; | |
515 | goto exit_delete_chap; | |
516 | } | |
517 | ||
518 | chap_size = sizeof(struct ql4_chap_table); | |
519 | if (is_qla40XX(ha)) | |
520 | offset = FLASH_CHAP_OFFSET | (chap_tbl_idx * chap_size); | |
521 | else { | |
522 | offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2); | |
523 | /* flt_chap_size is CHAP table size for both ports | |
524 | * so divide it by 2 to calculate the offset for second port | |
525 | */ | |
526 | if (ha->port_num == 1) | |
527 | offset += (ha->hw.flt_chap_size / 2); | |
528 | offset += (chap_tbl_idx * chap_size); | |
529 | } | |
530 | ||
531 | ret = qla4xxx_get_flash(ha, chap_dma, offset, chap_size); | |
532 | if (ret != QLA_SUCCESS) { | |
533 | ret = -EINVAL; | |
534 | goto exit_delete_chap; | |
535 | } | |
536 | ||
537 | DEBUG2(ql4_printk(KERN_INFO, ha, "Chap Cookie: x%x\n", | |
538 | __le16_to_cpu(chap_table->cookie))); | |
539 | ||
540 | if (__le16_to_cpu(chap_table->cookie) != CHAP_VALID_COOKIE) { | |
541 | ql4_printk(KERN_ERR, ha, "No valid chap entry found\n"); | |
542 | goto exit_delete_chap; | |
543 | } | |
544 | ||
545 | chap_table->cookie = __constant_cpu_to_le16(0xFFFF); | |
546 | ||
547 | offset = FLASH_CHAP_OFFSET | | |
548 | (chap_tbl_idx * sizeof(struct ql4_chap_table)); | |
549 | ret = qla4xxx_set_flash(ha, chap_dma, offset, chap_size, | |
550 | FLASH_OPT_RMW_COMMIT); | |
551 | if (ret == QLA_SUCCESS && ha->chap_list) { | |
552 | mutex_lock(&ha->chap_sem); | |
553 | /* Update ha chap_list cache */ | |
554 | memcpy((struct ql4_chap_table *)ha->chap_list + chap_tbl_idx, | |
555 | chap_table, sizeof(struct ql4_chap_table)); | |
556 | mutex_unlock(&ha->chap_sem); | |
557 | } | |
558 | if (ret != QLA_SUCCESS) | |
559 | ret = -EINVAL; | |
560 | ||
561 | exit_delete_chap: | |
562 | dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma); | |
563 | return ret; | |
564 | } | |
565 | ||
ed1086e0 VC |
566 | static int qla4xxx_get_iface_param(struct iscsi_iface *iface, |
567 | enum iscsi_param_type param_type, | |
568 | int param, char *buf) | |
569 | { | |
570 | struct Scsi_Host *shost = iscsi_iface_to_shost(iface); | |
571 | struct scsi_qla_host *ha = to_qla_host(shost); | |
572 | int len = -ENOSYS; | |
573 | ||
574 | if (param_type != ISCSI_NET_PARAM) | |
575 | return -ENOSYS; | |
576 | ||
577 | switch (param) { | |
578 | case ISCSI_NET_PARAM_IPV4_ADDR: | |
579 | len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address); | |
580 | break; | |
581 | case ISCSI_NET_PARAM_IPV4_SUBNET: | |
582 | len = sprintf(buf, "%pI4\n", &ha->ip_config.subnet_mask); | |
583 | break; | |
584 | case ISCSI_NET_PARAM_IPV4_GW: | |
585 | len = sprintf(buf, "%pI4\n", &ha->ip_config.gateway); | |
586 | break; | |
587 | case ISCSI_NET_PARAM_IFACE_ENABLE: | |
588 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) | |
589 | len = sprintf(buf, "%s\n", | |
590 | (ha->ip_config.ipv4_options & | |
591 | IPOPT_IPV4_PROTOCOL_ENABLE) ? | |
592 | "enabled" : "disabled"); | |
593 | else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6) | |
594 | len = sprintf(buf, "%s\n", | |
595 | (ha->ip_config.ipv6_options & | |
596 | IPV6_OPT_IPV6_PROTOCOL_ENABLE) ? | |
597 | "enabled" : "disabled"); | |
598 | break; | |
599 | case ISCSI_NET_PARAM_IPV4_BOOTPROTO: | |
600 | len = sprintf(buf, "%s\n", | |
601 | (ha->ip_config.tcp_options & TCPOPT_DHCP_ENABLE) ? | |
602 | "dhcp" : "static"); | |
603 | break; | |
604 | case ISCSI_NET_PARAM_IPV6_ADDR: | |
605 | if (iface->iface_num == 0) | |
606 | len = sprintf(buf, "%pI6\n", &ha->ip_config.ipv6_addr0); | |
607 | if (iface->iface_num == 1) | |
608 | len = sprintf(buf, "%pI6\n", &ha->ip_config.ipv6_addr1); | |
609 | break; | |
610 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL: | |
611 | len = sprintf(buf, "%pI6\n", | |
612 | &ha->ip_config.ipv6_link_local_addr); | |
613 | break; | |
614 | case ISCSI_NET_PARAM_IPV6_ROUTER: | |
615 | len = sprintf(buf, "%pI6\n", | |
616 | &ha->ip_config.ipv6_default_router_addr); | |
617 | break; | |
618 | case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: | |
619 | len = sprintf(buf, "%s\n", | |
620 | (ha->ip_config.ipv6_addl_options & | |
621 | IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE) ? | |
622 | "nd" : "static"); | |
623 | break; | |
624 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: | |
625 | len = sprintf(buf, "%s\n", | |
626 | (ha->ip_config.ipv6_addl_options & | |
627 | IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR) ? | |
628 | "auto" : "static"); | |
629 | break; | |
6ac73e8c VC |
630 | case ISCSI_NET_PARAM_VLAN_ID: |
631 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) | |
632 | len = sprintf(buf, "%d\n", | |
633 | (ha->ip_config.ipv4_vlan_tag & | |
634 | ISCSI_MAX_VLAN_ID)); | |
635 | else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6) | |
636 | len = sprintf(buf, "%d\n", | |
637 | (ha->ip_config.ipv6_vlan_tag & | |
638 | ISCSI_MAX_VLAN_ID)); | |
639 | break; | |
640 | case ISCSI_NET_PARAM_VLAN_PRIORITY: | |
641 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) | |
642 | len = sprintf(buf, "%d\n", | |
643 | ((ha->ip_config.ipv4_vlan_tag >> 13) & | |
644 | ISCSI_MAX_VLAN_PRIORITY)); | |
645 | else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6) | |
646 | len = sprintf(buf, "%d\n", | |
647 | ((ha->ip_config.ipv6_vlan_tag >> 13) & | |
648 | ISCSI_MAX_VLAN_PRIORITY)); | |
649 | break; | |
650 | case ISCSI_NET_PARAM_VLAN_ENABLED: | |
651 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) | |
652 | len = sprintf(buf, "%s\n", | |
653 | (ha->ip_config.ipv4_options & | |
654 | IPOPT_VLAN_TAGGING_ENABLE) ? | |
655 | "enabled" : "disabled"); | |
656 | else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6) | |
657 | len = sprintf(buf, "%s\n", | |
658 | (ha->ip_config.ipv6_options & | |
659 | IPV6_OPT_VLAN_TAGGING_ENABLE) ? | |
660 | "enabled" : "disabled"); | |
661 | break; | |
943c157b VC |
662 | case ISCSI_NET_PARAM_MTU: |
663 | len = sprintf(buf, "%d\n", ha->ip_config.eth_mtu_size); | |
664 | break; | |
2ada7fc5 VC |
665 | case ISCSI_NET_PARAM_PORT: |
666 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) | |
667 | len = sprintf(buf, "%d\n", ha->ip_config.ipv4_port); | |
668 | else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6) | |
669 | len = sprintf(buf, "%d\n", ha->ip_config.ipv6_port); | |
670 | break; | |
ed1086e0 VC |
671 | default: |
672 | len = -ENOSYS; | |
673 | } | |
674 | ||
675 | return len; | |
676 | } | |
677 | ||
b3a271a9 MR |
678 | static struct iscsi_endpoint * |
679 | qla4xxx_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr, | |
680 | int non_blocking) | |
5c656af7 | 681 | { |
b3a271a9 MR |
682 | int ret; |
683 | struct iscsi_endpoint *ep; | |
684 | struct qla_endpoint *qla_ep; | |
685 | struct scsi_qla_host *ha; | |
686 | struct sockaddr_in *addr; | |
687 | struct sockaddr_in6 *addr6; | |
5c656af7 | 688 | |
b3a271a9 MR |
689 | DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); |
690 | if (!shost) { | |
691 | ret = -ENXIO; | |
692 | printk(KERN_ERR "%s: shost is NULL\n", | |
693 | __func__); | |
694 | return ERR_PTR(ret); | |
695 | } | |
5c656af7 | 696 | |
b3a271a9 MR |
697 | ha = iscsi_host_priv(shost); |
698 | ||
699 | ep = iscsi_create_endpoint(sizeof(struct qla_endpoint)); | |
700 | if (!ep) { | |
701 | ret = -ENOMEM; | |
702 | return ERR_PTR(ret); | |
703 | } | |
704 | ||
705 | qla_ep = ep->dd_data; | |
706 | memset(qla_ep, 0, sizeof(struct qla_endpoint)); | |
707 | if (dst_addr->sa_family == AF_INET) { | |
708 | memcpy(&qla_ep->dst_addr, dst_addr, sizeof(struct sockaddr_in)); | |
709 | addr = (struct sockaddr_in *)&qla_ep->dst_addr; | |
710 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI4\n", __func__, | |
711 | (char *)&addr->sin_addr)); | |
712 | } else if (dst_addr->sa_family == AF_INET6) { | |
713 | memcpy(&qla_ep->dst_addr, dst_addr, | |
714 | sizeof(struct sockaddr_in6)); | |
715 | addr6 = (struct sockaddr_in6 *)&qla_ep->dst_addr; | |
716 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI6\n", __func__, | |
717 | (char *)&addr6->sin6_addr)); | |
718 | } | |
719 | ||
720 | qla_ep->host = shost; | |
721 | ||
722 | return ep; | |
5c656af7 MC |
723 | } |
724 | ||
b3a271a9 | 725 | static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms) |
afaf5a2d | 726 | { |
b3a271a9 MR |
727 | struct qla_endpoint *qla_ep; |
728 | struct scsi_qla_host *ha; | |
729 | int ret = 0; | |
afaf5a2d | 730 | |
b3a271a9 MR |
731 | DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); |
732 | qla_ep = ep->dd_data; | |
733 | ha = to_qla_host(qla_ep->host); | |
734 | ||
13483730 | 735 | if (adapter_up(ha) && !test_bit(AF_BUILD_DDB_LIST, &ha->flags)) |
b3a271a9 MR |
736 | ret = 1; |
737 | ||
738 | return ret; | |
739 | } | |
740 | ||
741 | static void qla4xxx_ep_disconnect(struct iscsi_endpoint *ep) | |
742 | { | |
743 | DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); | |
744 | iscsi_destroy_endpoint(ep); | |
745 | } | |
746 | ||
747 | static int qla4xxx_get_ep_param(struct iscsi_endpoint *ep, | |
748 | enum iscsi_param param, | |
749 | char *buf) | |
750 | { | |
751 | struct qla_endpoint *qla_ep = ep->dd_data; | |
752 | struct sockaddr *dst_addr; | |
753 | ||
754 | DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); | |
755 | ||
756 | switch (param) { | |
757 | case ISCSI_PARAM_CONN_PORT: | |
758 | case ISCSI_PARAM_CONN_ADDRESS: | |
759 | if (!qla_ep) | |
760 | return -ENOTCONN; | |
761 | ||
762 | dst_addr = (struct sockaddr *)&qla_ep->dst_addr; | |
763 | if (!dst_addr) | |
764 | return -ENOTCONN; | |
765 | ||
766 | return iscsi_conn_get_addr_param((struct sockaddr_storage *) | |
767 | &qla_ep->dst_addr, param, buf); | |
768 | default: | |
769 | return -ENOSYS; | |
770 | } | |
771 | } | |
772 | ||
773 | static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn, | |
774 | struct iscsi_stats *stats) | |
775 | { | |
776 | struct iscsi_session *sess; | |
777 | struct iscsi_cls_session *cls_sess; | |
778 | struct ddb_entry *ddb_entry; | |
779 | struct scsi_qla_host *ha; | |
780 | struct ql_iscsi_stats *ql_iscsi_stats; | |
781 | int stats_size; | |
782 | int ret; | |
783 | dma_addr_t iscsi_stats_dma; | |
784 | ||
785 | DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); | |
568d303b | 786 | |
b3a271a9 MR |
787 | cls_sess = iscsi_conn_to_session(cls_conn); |
788 | sess = cls_sess->dd_data; | |
789 | ddb_entry = sess->dd_data; | |
790 | ha = ddb_entry->ha; | |
791 | ||
792 | stats_size = PAGE_ALIGN(sizeof(struct ql_iscsi_stats)); | |
793 | /* Allocate memory */ | |
794 | ql_iscsi_stats = dma_alloc_coherent(&ha->pdev->dev, stats_size, | |
795 | &iscsi_stats_dma, GFP_KERNEL); | |
796 | if (!ql_iscsi_stats) { | |
797 | ql4_printk(KERN_ERR, ha, | |
798 | "Unable to allocate memory for iscsi stats\n"); | |
799 | goto exit_get_stats; | |
568d303b | 800 | } |
b3a271a9 MR |
801 | |
802 | ret = qla4xxx_get_mgmt_data(ha, ddb_entry->fw_ddb_index, stats_size, | |
803 | iscsi_stats_dma); | |
804 | if (ret != QLA_SUCCESS) { | |
805 | ql4_printk(KERN_ERR, ha, | |
806 | "Unable to retreive iscsi stats\n"); | |
807 | goto free_stats; | |
808 | } | |
809 | ||
810 | /* octets */ | |
811 | stats->txdata_octets = le64_to_cpu(ql_iscsi_stats->tx_data_octets); | |
812 | stats->rxdata_octets = le64_to_cpu(ql_iscsi_stats->rx_data_octets); | |
813 | /* xmit pdus */ | |
814 | stats->noptx_pdus = le32_to_cpu(ql_iscsi_stats->tx_nopout_pdus); | |
815 | stats->scsicmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_cmd_pdus); | |
816 | stats->tmfcmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_tmf_cmd_pdus); | |
817 | stats->login_pdus = le32_to_cpu(ql_iscsi_stats->tx_login_cmd_pdus); | |
818 | stats->text_pdus = le32_to_cpu(ql_iscsi_stats->tx_text_cmd_pdus); | |
819 | stats->dataout_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_write_pdus); | |
820 | stats->logout_pdus = le32_to_cpu(ql_iscsi_stats->tx_logout_cmd_pdus); | |
821 | stats->snack_pdus = le32_to_cpu(ql_iscsi_stats->tx_snack_req_pdus); | |
822 | /* recv pdus */ | |
823 | stats->noprx_pdus = le32_to_cpu(ql_iscsi_stats->rx_nopin_pdus); | |
824 | stats->scsirsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_resp_pdus); | |
825 | stats->tmfrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_tmf_resp_pdus); | |
826 | stats->textrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_text_resp_pdus); | |
827 | stats->datain_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_read_pdus); | |
828 | stats->logoutrsp_pdus = | |
829 | le32_to_cpu(ql_iscsi_stats->rx_logout_resp_pdus); | |
830 | stats->r2t_pdus = le32_to_cpu(ql_iscsi_stats->rx_r2t_pdus); | |
831 | stats->async_pdus = le32_to_cpu(ql_iscsi_stats->rx_async_pdus); | |
832 | stats->rjt_pdus = le32_to_cpu(ql_iscsi_stats->rx_reject_pdus); | |
833 | ||
834 | free_stats: | |
835 | dma_free_coherent(&ha->pdev->dev, stats_size, ql_iscsi_stats, | |
836 | iscsi_stats_dma); | |
837 | exit_get_stats: | |
838 | return; | |
839 | } | |
840 | ||
841 | static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc) | |
842 | { | |
843 | struct iscsi_cls_session *session; | |
844 | struct iscsi_session *sess; | |
845 | unsigned long flags; | |
846 | enum blk_eh_timer_return ret = BLK_EH_NOT_HANDLED; | |
847 | ||
848 | session = starget_to_session(scsi_target(sc->device)); | |
849 | sess = session->dd_data; | |
850 | ||
851 | spin_lock_irqsave(&session->lock, flags); | |
852 | if (session->state == ISCSI_SESSION_FAILED) | |
853 | ret = BLK_EH_RESET_TIMER; | |
854 | spin_unlock_irqrestore(&session->lock, flags); | |
855 | ||
856 | return ret; | |
afaf5a2d DS |
857 | } |
858 | ||
3254dbe9 VC |
859 | static void qla4xxx_set_port_speed(struct Scsi_Host *shost) |
860 | { | |
861 | struct scsi_qla_host *ha = to_qla_host(shost); | |
e16d166e | 862 | struct iscsi_cls_host *ihost = shost->shost_data; |
3254dbe9 VC |
863 | uint32_t speed = ISCSI_PORT_SPEED_UNKNOWN; |
864 | ||
865 | qla4xxx_get_firmware_state(ha); | |
866 | ||
867 | switch (ha->addl_fw_state & 0x0F00) { | |
868 | case FW_ADDSTATE_LINK_SPEED_10MBPS: | |
869 | speed = ISCSI_PORT_SPEED_10MBPS; | |
870 | break; | |
871 | case FW_ADDSTATE_LINK_SPEED_100MBPS: | |
872 | speed = ISCSI_PORT_SPEED_100MBPS; | |
873 | break; | |
874 | case FW_ADDSTATE_LINK_SPEED_1GBPS: | |
875 | speed = ISCSI_PORT_SPEED_1GBPS; | |
876 | break; | |
877 | case FW_ADDSTATE_LINK_SPEED_10GBPS: | |
878 | speed = ISCSI_PORT_SPEED_10GBPS; | |
879 | break; | |
880 | } | |
881 | ihost->port_speed = speed; | |
882 | } | |
883 | ||
884 | static void qla4xxx_set_port_state(struct Scsi_Host *shost) | |
885 | { | |
886 | struct scsi_qla_host *ha = to_qla_host(shost); | |
e16d166e | 887 | struct iscsi_cls_host *ihost = shost->shost_data; |
3254dbe9 VC |
888 | uint32_t state = ISCSI_PORT_STATE_DOWN; |
889 | ||
890 | if (test_bit(AF_LINK_UP, &ha->flags)) | |
891 | state = ISCSI_PORT_STATE_UP; | |
892 | ||
893 | ihost->port_state = state; | |
894 | } | |
895 | ||
aa1e93a2 MC |
896 | static int qla4xxx_host_get_param(struct Scsi_Host *shost, |
897 | enum iscsi_host_param param, char *buf) | |
898 | { | |
899 | struct scsi_qla_host *ha = to_qla_host(shost); | |
900 | int len; | |
901 | ||
902 | switch (param) { | |
903 | case ISCSI_HOST_PARAM_HWADDRESS: | |
7ffc49a6 | 904 | len = sysfs_format_mac(buf, ha->my_mac, MAC_ADDR_LEN); |
8ad5781a | 905 | break; |
22236961 | 906 | case ISCSI_HOST_PARAM_IPADDRESS: |
2bab08fc | 907 | len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address); |
22236961 | 908 | break; |
8ad5781a | 909 | case ISCSI_HOST_PARAM_INITIATOR_NAME: |
22236961 | 910 | len = sprintf(buf, "%s\n", ha->name_string); |
aa1e93a2 | 911 | break; |
3254dbe9 VC |
912 | case ISCSI_HOST_PARAM_PORT_STATE: |
913 | qla4xxx_set_port_state(shost); | |
914 | len = sprintf(buf, "%s\n", iscsi_get_port_state_name(shost)); | |
915 | break; | |
916 | case ISCSI_HOST_PARAM_PORT_SPEED: | |
917 | qla4xxx_set_port_speed(shost); | |
918 | len = sprintf(buf, "%s\n", iscsi_get_port_speed_name(shost)); | |
919 | break; | |
aa1e93a2 MC |
920 | default: |
921 | return -ENOSYS; | |
922 | } | |
923 | ||
924 | return len; | |
925 | } | |
926 | ||
ed1086e0 VC |
927 | static void qla4xxx_create_ipv4_iface(struct scsi_qla_host *ha) |
928 | { | |
929 | if (ha->iface_ipv4) | |
930 | return; | |
931 | ||
932 | /* IPv4 */ | |
933 | ha->iface_ipv4 = iscsi_create_iface(ha->host, | |
934 | &qla4xxx_iscsi_transport, | |
935 | ISCSI_IFACE_TYPE_IPV4, 0, 0); | |
936 | if (!ha->iface_ipv4) | |
937 | ql4_printk(KERN_ERR, ha, "Could not create IPv4 iSCSI " | |
938 | "iface0.\n"); | |
939 | } | |
940 | ||
941 | static void qla4xxx_create_ipv6_iface(struct scsi_qla_host *ha) | |
942 | { | |
943 | if (!ha->iface_ipv6_0) | |
944 | /* IPv6 iface-0 */ | |
945 | ha->iface_ipv6_0 = iscsi_create_iface(ha->host, | |
946 | &qla4xxx_iscsi_transport, | |
947 | ISCSI_IFACE_TYPE_IPV6, 0, | |
948 | 0); | |
949 | if (!ha->iface_ipv6_0) | |
950 | ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI " | |
951 | "iface0.\n"); | |
952 | ||
953 | if (!ha->iface_ipv6_1) | |
954 | /* IPv6 iface-1 */ | |
955 | ha->iface_ipv6_1 = iscsi_create_iface(ha->host, | |
956 | &qla4xxx_iscsi_transport, | |
957 | ISCSI_IFACE_TYPE_IPV6, 1, | |
958 | 0); | |
959 | if (!ha->iface_ipv6_1) | |
960 | ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI " | |
961 | "iface1.\n"); | |
962 | } | |
963 | ||
964 | static void qla4xxx_create_ifaces(struct scsi_qla_host *ha) | |
965 | { | |
966 | if (ha->ip_config.ipv4_options & IPOPT_IPV4_PROTOCOL_ENABLE) | |
967 | qla4xxx_create_ipv4_iface(ha); | |
968 | ||
969 | if (ha->ip_config.ipv6_options & IPV6_OPT_IPV6_PROTOCOL_ENABLE) | |
970 | qla4xxx_create_ipv6_iface(ha); | |
971 | } | |
972 | ||
973 | static void qla4xxx_destroy_ipv4_iface(struct scsi_qla_host *ha) | |
974 | { | |
975 | if (ha->iface_ipv4) { | |
976 | iscsi_destroy_iface(ha->iface_ipv4); | |
977 | ha->iface_ipv4 = NULL; | |
978 | } | |
979 | } | |
980 | ||
981 | static void qla4xxx_destroy_ipv6_iface(struct scsi_qla_host *ha) | |
982 | { | |
983 | if (ha->iface_ipv6_0) { | |
984 | iscsi_destroy_iface(ha->iface_ipv6_0); | |
985 | ha->iface_ipv6_0 = NULL; | |
986 | } | |
987 | if (ha->iface_ipv6_1) { | |
988 | iscsi_destroy_iface(ha->iface_ipv6_1); | |
989 | ha->iface_ipv6_1 = NULL; | |
990 | } | |
991 | } | |
992 | ||
993 | static void qla4xxx_destroy_ifaces(struct scsi_qla_host *ha) | |
994 | { | |
995 | qla4xxx_destroy_ipv4_iface(ha); | |
996 | qla4xxx_destroy_ipv6_iface(ha); | |
997 | } | |
998 | ||
d00efe3f MC |
999 | static void qla4xxx_set_ipv6(struct scsi_qla_host *ha, |
1000 | struct iscsi_iface_param_info *iface_param, | |
1001 | struct addr_ctrl_blk *init_fw_cb) | |
1002 | { | |
1003 | /* | |
1004 | * iface_num 0 is valid for IPv6 Addr, linklocal, router, autocfg. | |
1005 | * iface_num 1 is valid only for IPv6 Addr. | |
1006 | */ | |
1007 | switch (iface_param->param) { | |
1008 | case ISCSI_NET_PARAM_IPV6_ADDR: | |
1009 | if (iface_param->iface_num & 0x1) | |
1010 | /* IPv6 Addr 1 */ | |
1011 | memcpy(init_fw_cb->ipv6_addr1, iface_param->value, | |
1012 | sizeof(init_fw_cb->ipv6_addr1)); | |
1013 | else | |
1014 | /* IPv6 Addr 0 */ | |
1015 | memcpy(init_fw_cb->ipv6_addr0, iface_param->value, | |
1016 | sizeof(init_fw_cb->ipv6_addr0)); | |
1017 | break; | |
1018 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL: | |
1019 | if (iface_param->iface_num & 0x1) | |
1020 | break; | |
1021 | memcpy(init_fw_cb->ipv6_if_id, &iface_param->value[8], | |
1022 | sizeof(init_fw_cb->ipv6_if_id)); | |
1023 | break; | |
1024 | case ISCSI_NET_PARAM_IPV6_ROUTER: | |
1025 | if (iface_param->iface_num & 0x1) | |
1026 | break; | |
1027 | memcpy(init_fw_cb->ipv6_dflt_rtr_addr, iface_param->value, | |
1028 | sizeof(init_fw_cb->ipv6_dflt_rtr_addr)); | |
1029 | break; | |
1030 | case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: | |
1031 | /* Autocfg applies to even interface */ | |
1032 | if (iface_param->iface_num & 0x1) | |
1033 | break; | |
1034 | ||
1035 | if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_DISABLE) | |
1036 | init_fw_cb->ipv6_addtl_opts &= | |
1037 | cpu_to_le16( | |
1038 | ~IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE); | |
1039 | else if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_ND_ENABLE) | |
1040 | init_fw_cb->ipv6_addtl_opts |= | |
1041 | cpu_to_le16( | |
1042 | IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE); | |
1043 | else | |
1044 | ql4_printk(KERN_ERR, ha, "Invalid autocfg setting for " | |
1045 | "IPv6 addr\n"); | |
1046 | break; | |
1047 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: | |
1048 | /* Autocfg applies to even interface */ | |
1049 | if (iface_param->iface_num & 0x1) | |
1050 | break; | |
1051 | ||
1052 | if (iface_param->value[0] == | |
1053 | ISCSI_IPV6_LINKLOCAL_AUTOCFG_ENABLE) | |
1054 | init_fw_cb->ipv6_addtl_opts |= cpu_to_le16( | |
1055 | IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR); | |
1056 | else if (iface_param->value[0] == | |
1057 | ISCSI_IPV6_LINKLOCAL_AUTOCFG_DISABLE) | |
1058 | init_fw_cb->ipv6_addtl_opts &= cpu_to_le16( | |
1059 | ~IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR); | |
1060 | else | |
1061 | ql4_printk(KERN_ERR, ha, "Invalid autocfg setting for " | |
1062 | "IPv6 linklocal addr\n"); | |
1063 | break; | |
1064 | case ISCSI_NET_PARAM_IPV6_ROUTER_AUTOCFG: | |
1065 | /* Autocfg applies to even interface */ | |
1066 | if (iface_param->iface_num & 0x1) | |
1067 | break; | |
1068 | ||
1069 | if (iface_param->value[0] == ISCSI_IPV6_ROUTER_AUTOCFG_ENABLE) | |
1070 | memset(init_fw_cb->ipv6_dflt_rtr_addr, 0, | |
1071 | sizeof(init_fw_cb->ipv6_dflt_rtr_addr)); | |
1072 | break; | |
1073 | case ISCSI_NET_PARAM_IFACE_ENABLE: | |
ed1086e0 | 1074 | if (iface_param->value[0] == ISCSI_IFACE_ENABLE) { |
d00efe3f MC |
1075 | init_fw_cb->ipv6_opts |= |
1076 | cpu_to_le16(IPV6_OPT_IPV6_PROTOCOL_ENABLE); | |
ed1086e0 VC |
1077 | qla4xxx_create_ipv6_iface(ha); |
1078 | } else { | |
d00efe3f MC |
1079 | init_fw_cb->ipv6_opts &= |
1080 | cpu_to_le16(~IPV6_OPT_IPV6_PROTOCOL_ENABLE & | |
1081 | 0xFFFF); | |
ed1086e0 VC |
1082 | qla4xxx_destroy_ipv6_iface(ha); |
1083 | } | |
d00efe3f | 1084 | break; |
2d63673b | 1085 | case ISCSI_NET_PARAM_VLAN_TAG: |
d00efe3f MC |
1086 | if (iface_param->len != sizeof(init_fw_cb->ipv6_vlan_tag)) |
1087 | break; | |
6ac73e8c VC |
1088 | init_fw_cb->ipv6_vlan_tag = |
1089 | cpu_to_be16(*(uint16_t *)iface_param->value); | |
1090 | break; | |
1091 | case ISCSI_NET_PARAM_VLAN_ENABLED: | |
1092 | if (iface_param->value[0] == ISCSI_VLAN_ENABLE) | |
1093 | init_fw_cb->ipv6_opts |= | |
1094 | cpu_to_le16(IPV6_OPT_VLAN_TAGGING_ENABLE); | |
1095 | else | |
1096 | init_fw_cb->ipv6_opts &= | |
1097 | cpu_to_le16(~IPV6_OPT_VLAN_TAGGING_ENABLE); | |
d00efe3f | 1098 | break; |
943c157b VC |
1099 | case ISCSI_NET_PARAM_MTU: |
1100 | init_fw_cb->eth_mtu_size = | |
1101 | cpu_to_le16(*(uint16_t *)iface_param->value); | |
1102 | break; | |
2ada7fc5 VC |
1103 | case ISCSI_NET_PARAM_PORT: |
1104 | /* Autocfg applies to even interface */ | |
1105 | if (iface_param->iface_num & 0x1) | |
1106 | break; | |
1107 | ||
1108 | init_fw_cb->ipv6_port = | |
1109 | cpu_to_le16(*(uint16_t *)iface_param->value); | |
1110 | break; | |
d00efe3f MC |
1111 | default: |
1112 | ql4_printk(KERN_ERR, ha, "Unknown IPv6 param = %d\n", | |
1113 | iface_param->param); | |
1114 | break; | |
1115 | } | |
1116 | } | |
1117 | ||
1118 | static void qla4xxx_set_ipv4(struct scsi_qla_host *ha, | |
1119 | struct iscsi_iface_param_info *iface_param, | |
1120 | struct addr_ctrl_blk *init_fw_cb) | |
1121 | { | |
1122 | switch (iface_param->param) { | |
1123 | case ISCSI_NET_PARAM_IPV4_ADDR: | |
1124 | memcpy(init_fw_cb->ipv4_addr, iface_param->value, | |
1125 | sizeof(init_fw_cb->ipv4_addr)); | |
1126 | break; | |
1127 | case ISCSI_NET_PARAM_IPV4_SUBNET: | |
1128 | memcpy(init_fw_cb->ipv4_subnet, iface_param->value, | |
1129 | sizeof(init_fw_cb->ipv4_subnet)); | |
1130 | break; | |
1131 | case ISCSI_NET_PARAM_IPV4_GW: | |
1132 | memcpy(init_fw_cb->ipv4_gw_addr, iface_param->value, | |
1133 | sizeof(init_fw_cb->ipv4_gw_addr)); | |
1134 | break; | |
1135 | case ISCSI_NET_PARAM_IPV4_BOOTPROTO: | |
1136 | if (iface_param->value[0] == ISCSI_BOOTPROTO_DHCP) | |
1137 | init_fw_cb->ipv4_tcp_opts |= | |
1138 | cpu_to_le16(TCPOPT_DHCP_ENABLE); | |
1139 | else if (iface_param->value[0] == ISCSI_BOOTPROTO_STATIC) | |
1140 | init_fw_cb->ipv4_tcp_opts &= | |
1141 | cpu_to_le16(~TCPOPT_DHCP_ENABLE); | |
1142 | else | |
1143 | ql4_printk(KERN_ERR, ha, "Invalid IPv4 bootproto\n"); | |
1144 | break; | |
1145 | case ISCSI_NET_PARAM_IFACE_ENABLE: | |
ed1086e0 | 1146 | if (iface_param->value[0] == ISCSI_IFACE_ENABLE) { |
d00efe3f | 1147 | init_fw_cb->ipv4_ip_opts |= |
2bab08fc | 1148 | cpu_to_le16(IPOPT_IPV4_PROTOCOL_ENABLE); |
ed1086e0 VC |
1149 | qla4xxx_create_ipv4_iface(ha); |
1150 | } else { | |
d00efe3f | 1151 | init_fw_cb->ipv4_ip_opts &= |
2bab08fc | 1152 | cpu_to_le16(~IPOPT_IPV4_PROTOCOL_ENABLE & |
d00efe3f | 1153 | 0xFFFF); |
ed1086e0 VC |
1154 | qla4xxx_destroy_ipv4_iface(ha); |
1155 | } | |
d00efe3f | 1156 | break; |
2d63673b | 1157 | case ISCSI_NET_PARAM_VLAN_TAG: |
d00efe3f MC |
1158 | if (iface_param->len != sizeof(init_fw_cb->ipv4_vlan_tag)) |
1159 | break; | |
6ac73e8c VC |
1160 | init_fw_cb->ipv4_vlan_tag = |
1161 | cpu_to_be16(*(uint16_t *)iface_param->value); | |
1162 | break; | |
1163 | case ISCSI_NET_PARAM_VLAN_ENABLED: | |
1164 | if (iface_param->value[0] == ISCSI_VLAN_ENABLE) | |
1165 | init_fw_cb->ipv4_ip_opts |= | |
1166 | cpu_to_le16(IPOPT_VLAN_TAGGING_ENABLE); | |
1167 | else | |
1168 | init_fw_cb->ipv4_ip_opts &= | |
1169 | cpu_to_le16(~IPOPT_VLAN_TAGGING_ENABLE); | |
d00efe3f | 1170 | break; |
943c157b VC |
1171 | case ISCSI_NET_PARAM_MTU: |
1172 | init_fw_cb->eth_mtu_size = | |
1173 | cpu_to_le16(*(uint16_t *)iface_param->value); | |
1174 | break; | |
2ada7fc5 VC |
1175 | case ISCSI_NET_PARAM_PORT: |
1176 | init_fw_cb->ipv4_port = | |
1177 | cpu_to_le16(*(uint16_t *)iface_param->value); | |
1178 | break; | |
d00efe3f MC |
1179 | default: |
1180 | ql4_printk(KERN_ERR, ha, "Unknown IPv4 param = %d\n", | |
1181 | iface_param->param); | |
1182 | break; | |
1183 | } | |
1184 | } | |
1185 | ||
1186 | static void | |
1187 | qla4xxx_initcb_to_acb(struct addr_ctrl_blk *init_fw_cb) | |
1188 | { | |
1189 | struct addr_ctrl_blk_def *acb; | |
1190 | acb = (struct addr_ctrl_blk_def *)init_fw_cb; | |
1191 | memset(acb->reserved1, 0, sizeof(acb->reserved1)); | |
1192 | memset(acb->reserved2, 0, sizeof(acb->reserved2)); | |
1193 | memset(acb->reserved3, 0, sizeof(acb->reserved3)); | |
1194 | memset(acb->reserved4, 0, sizeof(acb->reserved4)); | |
1195 | memset(acb->reserved5, 0, sizeof(acb->reserved5)); | |
1196 | memset(acb->reserved6, 0, sizeof(acb->reserved6)); | |
1197 | memset(acb->reserved7, 0, sizeof(acb->reserved7)); | |
1198 | memset(acb->reserved8, 0, sizeof(acb->reserved8)); | |
1199 | memset(acb->reserved9, 0, sizeof(acb->reserved9)); | |
1200 | memset(acb->reserved10, 0, sizeof(acb->reserved10)); | |
1201 | memset(acb->reserved11, 0, sizeof(acb->reserved11)); | |
1202 | memset(acb->reserved12, 0, sizeof(acb->reserved12)); | |
1203 | memset(acb->reserved13, 0, sizeof(acb->reserved13)); | |
1204 | memset(acb->reserved14, 0, sizeof(acb->reserved14)); | |
1205 | memset(acb->reserved15, 0, sizeof(acb->reserved15)); | |
1206 | } | |
1207 | ||
1208 | static int | |
00c31889 | 1209 | qla4xxx_iface_set_param(struct Scsi_Host *shost, void *data, uint32_t len) |
d00efe3f MC |
1210 | { |
1211 | struct scsi_qla_host *ha = to_qla_host(shost); | |
1212 | int rval = 0; | |
1213 | struct iscsi_iface_param_info *iface_param = NULL; | |
1214 | struct addr_ctrl_blk *init_fw_cb = NULL; | |
1215 | dma_addr_t init_fw_cb_dma; | |
1216 | uint32_t mbox_cmd[MBOX_REG_COUNT]; | |
1217 | uint32_t mbox_sts[MBOX_REG_COUNT]; | |
00c31889 MC |
1218 | uint32_t rem = len; |
1219 | struct nlattr *attr; | |
d00efe3f MC |
1220 | |
1221 | init_fw_cb = dma_alloc_coherent(&ha->pdev->dev, | |
1222 | sizeof(struct addr_ctrl_blk), | |
1223 | &init_fw_cb_dma, GFP_KERNEL); | |
1224 | if (!init_fw_cb) { | |
1225 | ql4_printk(KERN_ERR, ha, "%s: Unable to alloc init_cb\n", | |
1226 | __func__); | |
1227 | return -ENOMEM; | |
1228 | } | |
1229 | ||
1230 | memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk)); | |
1231 | memset(&mbox_cmd, 0, sizeof(mbox_cmd)); | |
1232 | memset(&mbox_sts, 0, sizeof(mbox_sts)); | |
1233 | ||
1234 | if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma)) { | |
1235 | ql4_printk(KERN_ERR, ha, "%s: get ifcb failed\n", __func__); | |
1236 | rval = -EIO; | |
1237 | goto exit_init_fw_cb; | |
1238 | } | |
1239 | ||
00c31889 MC |
1240 | nla_for_each_attr(attr, data, len, rem) { |
1241 | iface_param = nla_data(attr); | |
d00efe3f MC |
1242 | |
1243 | if (iface_param->param_type != ISCSI_NET_PARAM) | |
1244 | continue; | |
1245 | ||
1246 | switch (iface_param->iface_type) { | |
1247 | case ISCSI_IFACE_TYPE_IPV4: | |
1248 | switch (iface_param->iface_num) { | |
1249 | case 0: | |
1250 | qla4xxx_set_ipv4(ha, iface_param, init_fw_cb); | |
1251 | break; | |
1252 | default: | |
1253 | /* Cannot have more than one IPv4 interface */ | |
1254 | ql4_printk(KERN_ERR, ha, "Invalid IPv4 iface " | |
1255 | "number = %d\n", | |
1256 | iface_param->iface_num); | |
1257 | break; | |
1258 | } | |
1259 | break; | |
1260 | case ISCSI_IFACE_TYPE_IPV6: | |
1261 | switch (iface_param->iface_num) { | |
1262 | case 0: | |
1263 | case 1: | |
1264 | qla4xxx_set_ipv6(ha, iface_param, init_fw_cb); | |
1265 | break; | |
1266 | default: | |
1267 | /* Cannot have more than two IPv6 interface */ | |
1268 | ql4_printk(KERN_ERR, ha, "Invalid IPv6 iface " | |
1269 | "number = %d\n", | |
1270 | iface_param->iface_num); | |
1271 | break; | |
1272 | } | |
1273 | break; | |
1274 | default: | |
1275 | ql4_printk(KERN_ERR, ha, "Invalid iface type\n"); | |
1276 | break; | |
1277 | } | |
d00efe3f MC |
1278 | } |
1279 | ||
1280 | init_fw_cb->cookie = cpu_to_le32(0x11BEAD5A); | |
1281 | ||
1282 | rval = qla4xxx_set_flash(ha, init_fw_cb_dma, FLASH_SEGMENT_IFCB, | |
1283 | sizeof(struct addr_ctrl_blk), | |
1284 | FLASH_OPT_RMW_COMMIT); | |
1285 | if (rval != QLA_SUCCESS) { | |
1286 | ql4_printk(KERN_ERR, ha, "%s: set flash mbx failed\n", | |
1287 | __func__); | |
1288 | rval = -EIO; | |
1289 | goto exit_init_fw_cb; | |
1290 | } | |
1291 | ||
ce505f9d VC |
1292 | rval = qla4xxx_disable_acb(ha); |
1293 | if (rval != QLA_SUCCESS) { | |
1294 | ql4_printk(KERN_ERR, ha, "%s: disable acb mbx failed\n", | |
1295 | __func__); | |
1296 | rval = -EIO; | |
1297 | goto exit_init_fw_cb; | |
1298 | } | |
1299 | ||
1300 | wait_for_completion_timeout(&ha->disable_acb_comp, | |
1301 | DISABLE_ACB_TOV * HZ); | |
d00efe3f MC |
1302 | |
1303 | qla4xxx_initcb_to_acb(init_fw_cb); | |
1304 | ||
1305 | rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma); | |
1306 | if (rval != QLA_SUCCESS) { | |
1307 | ql4_printk(KERN_ERR, ha, "%s: set acb mbx failed\n", | |
1308 | __func__); | |
1309 | rval = -EIO; | |
1310 | goto exit_init_fw_cb; | |
1311 | } | |
1312 | ||
1313 | memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk)); | |
1314 | qla4xxx_update_local_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb, | |
1315 | init_fw_cb_dma); | |
1316 | ||
1317 | exit_init_fw_cb: | |
1318 | dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk), | |
1319 | init_fw_cb, init_fw_cb_dma); | |
1320 | ||
1321 | return rval; | |
1322 | } | |
1323 | ||
fca9f04d MC |
1324 | static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess, |
1325 | enum iscsi_param param, char *buf) | |
1326 | { | |
1327 | struct iscsi_session *sess = cls_sess->dd_data; | |
1328 | struct ddb_entry *ddb_entry = sess->dd_data; | |
1329 | struct scsi_qla_host *ha = ddb_entry->ha; | |
1330 | int rval, len; | |
1331 | uint16_t idx; | |
1332 | ||
1333 | switch (param) { | |
1334 | case ISCSI_PARAM_CHAP_IN_IDX: | |
1335 | rval = qla4xxx_get_chap_index(ha, sess->username_in, | |
1336 | sess->password_in, BIDI_CHAP, | |
1337 | &idx); | |
1338 | if (rval) | |
1339 | return -EINVAL; | |
1340 | ||
1341 | len = sprintf(buf, "%hu\n", idx); | |
1342 | break; | |
1343 | case ISCSI_PARAM_CHAP_OUT_IDX: | |
1344 | rval = qla4xxx_get_chap_index(ha, sess->username, | |
1345 | sess->password, LOCAL_CHAP, | |
1346 | &idx); | |
1347 | if (rval) | |
1348 | return -EINVAL; | |
1349 | ||
1350 | len = sprintf(buf, "%hu\n", idx); | |
1351 | break; | |
1352 | default: | |
1353 | return iscsi_session_get_param(cls_sess, param, buf); | |
1354 | } | |
1355 | ||
1356 | return len; | |
1357 | } | |
1358 | ||
b3a271a9 | 1359 | static int qla4xxx_conn_get_param(struct iscsi_cls_conn *cls_conn, |
afaf5a2d DS |
1360 | enum iscsi_param param, char *buf) |
1361 | { | |
b3a271a9 MR |
1362 | struct iscsi_conn *conn; |
1363 | struct qla_conn *qla_conn; | |
1364 | struct sockaddr *dst_addr; | |
1365 | int len = 0; | |
afaf5a2d | 1366 | |
b3a271a9 MR |
1367 | conn = cls_conn->dd_data; |
1368 | qla_conn = conn->dd_data; | |
d46bdeb1 | 1369 | dst_addr = (struct sockaddr *)&qla_conn->qla_ep->dst_addr; |
afaf5a2d DS |
1370 | |
1371 | switch (param) { | |
1372 | case ISCSI_PARAM_CONN_PORT: | |
afaf5a2d | 1373 | case ISCSI_PARAM_CONN_ADDRESS: |
b3a271a9 MR |
1374 | return iscsi_conn_get_addr_param((struct sockaddr_storage *) |
1375 | dst_addr, param, buf); | |
afaf5a2d | 1376 | default: |
b3a271a9 | 1377 | return iscsi_conn_get_param(cls_conn, param, buf); |
afaf5a2d DS |
1378 | } |
1379 | ||
1380 | return len; | |
b3a271a9 | 1381 | |
afaf5a2d DS |
1382 | } |
1383 | ||
13483730 MC |
1384 | int qla4xxx_get_ddb_index(struct scsi_qla_host *ha, uint16_t *ddb_index) |
1385 | { | |
1386 | uint32_t mbx_sts = 0; | |
1387 | uint16_t tmp_ddb_index; | |
1388 | int ret; | |
1389 | ||
1390 | get_ddb_index: | |
1391 | tmp_ddb_index = find_first_zero_bit(ha->ddb_idx_map, MAX_DDB_ENTRIES); | |
1392 | ||
1393 | if (tmp_ddb_index >= MAX_DDB_ENTRIES) { | |
1394 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
1395 | "Free DDB index not available\n")); | |
1396 | ret = QLA_ERROR; | |
1397 | goto exit_get_ddb_index; | |
1398 | } | |
1399 | ||
1400 | if (test_and_set_bit(tmp_ddb_index, ha->ddb_idx_map)) | |
1401 | goto get_ddb_index; | |
1402 | ||
1403 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
1404 | "Found a free DDB index at %d\n", tmp_ddb_index)); | |
1405 | ret = qla4xxx_req_ddb_entry(ha, tmp_ddb_index, &mbx_sts); | |
1406 | if (ret == QLA_ERROR) { | |
1407 | if (mbx_sts == MBOX_STS_COMMAND_ERROR) { | |
1408 | ql4_printk(KERN_INFO, ha, | |
1409 | "DDB index = %d not available trying next\n", | |
1410 | tmp_ddb_index); | |
1411 | goto get_ddb_index; | |
1412 | } | |
1413 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
1414 | "Free FW DDB not available\n")); | |
1415 | } | |
1416 | ||
1417 | *ddb_index = tmp_ddb_index; | |
1418 | ||
1419 | exit_get_ddb_index: | |
1420 | return ret; | |
1421 | } | |
1422 | ||
1423 | static int qla4xxx_match_ipaddress(struct scsi_qla_host *ha, | |
1424 | struct ddb_entry *ddb_entry, | |
1425 | char *existing_ipaddr, | |
1426 | char *user_ipaddr) | |
1427 | { | |
1428 | uint8_t dst_ipaddr[IPv6_ADDR_LEN]; | |
1429 | char formatted_ipaddr[DDB_IPADDR_LEN]; | |
1430 | int status = QLA_SUCCESS, ret = 0; | |
1431 | ||
1432 | if (ddb_entry->fw_ddb_entry.options & DDB_OPT_IPV6_DEVICE) { | |
1433 | ret = in6_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr, | |
1434 | '\0', NULL); | |
1435 | if (ret == 0) { | |
1436 | status = QLA_ERROR; | |
1437 | goto out_match; | |
1438 | } | |
1439 | ret = sprintf(formatted_ipaddr, "%pI6", dst_ipaddr); | |
1440 | } else { | |
1441 | ret = in4_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr, | |
1442 | '\0', NULL); | |
1443 | if (ret == 0) { | |
1444 | status = QLA_ERROR; | |
1445 | goto out_match; | |
1446 | } | |
1447 | ret = sprintf(formatted_ipaddr, "%pI4", dst_ipaddr); | |
1448 | } | |
1449 | ||
1450 | if (strcmp(existing_ipaddr, formatted_ipaddr)) | |
1451 | status = QLA_ERROR; | |
1452 | ||
1453 | out_match: | |
1454 | return status; | |
1455 | } | |
1456 | ||
1457 | static int qla4xxx_match_fwdb_session(struct scsi_qla_host *ha, | |
1458 | struct iscsi_cls_conn *cls_conn) | |
1459 | { | |
1460 | int idx = 0, max_ddbs, rval; | |
1461 | struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); | |
1462 | struct iscsi_session *sess, *existing_sess; | |
1463 | struct iscsi_conn *conn, *existing_conn; | |
1464 | struct ddb_entry *ddb_entry; | |
1465 | ||
1466 | sess = cls_sess->dd_data; | |
1467 | conn = cls_conn->dd_data; | |
1468 | ||
1469 | if (sess->targetname == NULL || | |
1470 | conn->persistent_address == NULL || | |
1471 | conn->persistent_port == 0) | |
1472 | return QLA_ERROR; | |
1473 | ||
1474 | max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : | |
1475 | MAX_DEV_DB_ENTRIES; | |
1476 | ||
1477 | for (idx = 0; idx < max_ddbs; idx++) { | |
1478 | ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); | |
1479 | if (ddb_entry == NULL) | |
1480 | continue; | |
1481 | ||
1482 | if (ddb_entry->ddb_type != FLASH_DDB) | |
1483 | continue; | |
1484 | ||
1485 | existing_sess = ddb_entry->sess->dd_data; | |
1486 | existing_conn = ddb_entry->conn->dd_data; | |
1487 | ||
1488 | if (existing_sess->targetname == NULL || | |
1489 | existing_conn->persistent_address == NULL || | |
1490 | existing_conn->persistent_port == 0) | |
1491 | continue; | |
1492 | ||
1493 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
1494 | "IQN = %s User IQN = %s\n", | |
1495 | existing_sess->targetname, | |
1496 | sess->targetname)); | |
1497 | ||
1498 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
1499 | "IP = %s User IP = %s\n", | |
1500 | existing_conn->persistent_address, | |
1501 | conn->persistent_address)); | |
1502 | ||
1503 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
1504 | "Port = %d User Port = %d\n", | |
1505 | existing_conn->persistent_port, | |
1506 | conn->persistent_port)); | |
1507 | ||
1508 | if (strcmp(existing_sess->targetname, sess->targetname)) | |
1509 | continue; | |
1510 | rval = qla4xxx_match_ipaddress(ha, ddb_entry, | |
1511 | existing_conn->persistent_address, | |
1512 | conn->persistent_address); | |
1513 | if (rval == QLA_ERROR) | |
1514 | continue; | |
1515 | if (existing_conn->persistent_port != conn->persistent_port) | |
1516 | continue; | |
1517 | break; | |
1518 | } | |
1519 | ||
1520 | if (idx == max_ddbs) | |
1521 | return QLA_ERROR; | |
1522 | ||
1523 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
1524 | "Match found in fwdb sessions\n")); | |
1525 | return QLA_SUCCESS; | |
1526 | } | |
1527 | ||
b3a271a9 MR |
1528 | static struct iscsi_cls_session * |
1529 | qla4xxx_session_create(struct iscsi_endpoint *ep, | |
1530 | uint16_t cmds_max, uint16_t qdepth, | |
1531 | uint32_t initial_cmdsn) | |
1532 | { | |
1533 | struct iscsi_cls_session *cls_sess; | |
1534 | struct scsi_qla_host *ha; | |
1535 | struct qla_endpoint *qla_ep; | |
1536 | struct ddb_entry *ddb_entry; | |
13483730 | 1537 | uint16_t ddb_index; |
b3a271a9 MR |
1538 | struct iscsi_session *sess; |
1539 | struct sockaddr *dst_addr; | |
1540 | int ret; | |
1541 | ||
1542 | DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); | |
1543 | if (!ep) { | |
1544 | printk(KERN_ERR "qla4xxx: missing ep.\n"); | |
1545 | return NULL; | |
1546 | } | |
1547 | ||
1548 | qla_ep = ep->dd_data; | |
1549 | dst_addr = (struct sockaddr *)&qla_ep->dst_addr; | |
1550 | ha = to_qla_host(qla_ep->host); | |
736cf369 | 1551 | |
13483730 MC |
1552 | ret = qla4xxx_get_ddb_index(ha, &ddb_index); |
1553 | if (ret == QLA_ERROR) | |
b3a271a9 | 1554 | return NULL; |
b3a271a9 MR |
1555 | |
1556 | cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, qla_ep->host, | |
1557 | cmds_max, sizeof(struct ddb_entry), | |
1558 | sizeof(struct ql4_task_data), | |
1559 | initial_cmdsn, ddb_index); | |
1560 | if (!cls_sess) | |
1561 | return NULL; | |
1562 | ||
1563 | sess = cls_sess->dd_data; | |
1564 | ddb_entry = sess->dd_data; | |
1565 | ddb_entry->fw_ddb_index = ddb_index; | |
1566 | ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE; | |
1567 | ddb_entry->ha = ha; | |
1568 | ddb_entry->sess = cls_sess; | |
13483730 MC |
1569 | ddb_entry->unblock_sess = qla4xxx_unblock_ddb; |
1570 | ddb_entry->ddb_change = qla4xxx_ddb_change; | |
b3a271a9 MR |
1571 | cls_sess->recovery_tmo = ql4xsess_recovery_tmo; |
1572 | ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = ddb_entry; | |
1573 | ha->tot_ddbs++; | |
1574 | ||
1575 | return cls_sess; | |
1576 | } | |
1577 | ||
1578 | static void qla4xxx_session_destroy(struct iscsi_cls_session *cls_sess) | |
1579 | { | |
1580 | struct iscsi_session *sess; | |
1581 | struct ddb_entry *ddb_entry; | |
1582 | struct scsi_qla_host *ha; | |
90599b62 MR |
1583 | unsigned long flags, wtime; |
1584 | struct dev_db_entry *fw_ddb_entry = NULL; | |
1585 | dma_addr_t fw_ddb_entry_dma; | |
1586 | uint32_t ddb_state; | |
1587 | int ret; | |
b3a271a9 MR |
1588 | |
1589 | DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); | |
1590 | sess = cls_sess->dd_data; | |
1591 | ddb_entry = sess->dd_data; | |
1592 | ha = ddb_entry->ha; | |
1593 | ||
90599b62 MR |
1594 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
1595 | &fw_ddb_entry_dma, GFP_KERNEL); | |
1596 | if (!fw_ddb_entry) { | |
1597 | ql4_printk(KERN_ERR, ha, | |
1598 | "%s: Unable to allocate dma buffer\n", __func__); | |
1599 | goto destroy_session; | |
1600 | } | |
1601 | ||
1602 | wtime = jiffies + (HZ * LOGOUT_TOV); | |
1603 | do { | |
1604 | ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, | |
1605 | fw_ddb_entry, fw_ddb_entry_dma, | |
1606 | NULL, NULL, &ddb_state, NULL, | |
1607 | NULL, NULL); | |
1608 | if (ret == QLA_ERROR) | |
1609 | goto destroy_session; | |
1610 | ||
1611 | if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) || | |
1612 | (ddb_state == DDB_DS_SESSION_FAILED)) | |
1613 | goto destroy_session; | |
1614 | ||
1615 | schedule_timeout_uninterruptible(HZ); | |
1616 | } while ((time_after(wtime, jiffies))); | |
1617 | ||
1618 | destroy_session: | |
736cf369 MR |
1619 | qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); |
1620 | ||
b3a271a9 MR |
1621 | spin_lock_irqsave(&ha->hardware_lock, flags); |
1622 | qla4xxx_free_ddb(ha, ddb_entry); | |
1623 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
90599b62 | 1624 | |
b3a271a9 | 1625 | iscsi_session_teardown(cls_sess); |
90599b62 MR |
1626 | |
1627 | if (fw_ddb_entry) | |
1628 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
1629 | fw_ddb_entry, fw_ddb_entry_dma); | |
b3a271a9 MR |
1630 | } |
1631 | ||
b3a271a9 MR |
1632 | static struct iscsi_cls_conn * |
1633 | qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx) | |
1634 | { | |
1635 | struct iscsi_cls_conn *cls_conn; | |
1636 | struct iscsi_session *sess; | |
1637 | struct ddb_entry *ddb_entry; | |
1638 | ||
1639 | DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); | |
1640 | cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn), | |
1641 | conn_idx); | |
ff1d0319 MC |
1642 | if (!cls_conn) |
1643 | return NULL; | |
1644 | ||
b3a271a9 MR |
1645 | sess = cls_sess->dd_data; |
1646 | ddb_entry = sess->dd_data; | |
1647 | ddb_entry->conn = cls_conn; | |
1648 | ||
1649 | return cls_conn; | |
1650 | } | |
1651 | ||
1652 | static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session, | |
1653 | struct iscsi_cls_conn *cls_conn, | |
1654 | uint64_t transport_fd, int is_leading) | |
1655 | { | |
1656 | struct iscsi_conn *conn; | |
1657 | struct qla_conn *qla_conn; | |
1658 | struct iscsi_endpoint *ep; | |
1659 | ||
1660 | DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); | |
1661 | ||
1662 | if (iscsi_conn_bind(cls_session, cls_conn, is_leading)) | |
1663 | return -EINVAL; | |
1664 | ep = iscsi_lookup_endpoint(transport_fd); | |
1665 | conn = cls_conn->dd_data; | |
1666 | qla_conn = conn->dd_data; | |
1667 | qla_conn->qla_ep = ep->dd_data; | |
1668 | return 0; | |
1669 | } | |
1670 | ||
1671 | static int qla4xxx_conn_start(struct iscsi_cls_conn *cls_conn) | |
1672 | { | |
1673 | struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); | |
1674 | struct iscsi_session *sess; | |
1675 | struct ddb_entry *ddb_entry; | |
1676 | struct scsi_qla_host *ha; | |
13483730 | 1677 | struct dev_db_entry *fw_ddb_entry = NULL; |
b3a271a9 | 1678 | dma_addr_t fw_ddb_entry_dma; |
b3a271a9 MR |
1679 | uint32_t mbx_sts = 0; |
1680 | int ret = 0; | |
1681 | int status = QLA_SUCCESS; | |
1682 | ||
1683 | DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); | |
1684 | sess = cls_sess->dd_data; | |
1685 | ddb_entry = sess->dd_data; | |
1686 | ha = ddb_entry->ha; | |
1687 | ||
13483730 MC |
1688 | /* Check if we have matching FW DDB, if yes then do not |
1689 | * login to this target. This could cause target to logout previous | |
1690 | * connection | |
1691 | */ | |
1692 | ret = qla4xxx_match_fwdb_session(ha, cls_conn); | |
1693 | if (ret == QLA_SUCCESS) { | |
1694 | ql4_printk(KERN_INFO, ha, | |
1695 | "Session already exist in FW.\n"); | |
1696 | ret = -EEXIST; | |
1697 | goto exit_conn_start; | |
1698 | } | |
1699 | ||
b3a271a9 MR |
1700 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
1701 | &fw_ddb_entry_dma, GFP_KERNEL); | |
1702 | if (!fw_ddb_entry) { | |
1703 | ql4_printk(KERN_ERR, ha, | |
1704 | "%s: Unable to allocate dma buffer\n", __func__); | |
13483730 MC |
1705 | ret = -ENOMEM; |
1706 | goto exit_conn_start; | |
b3a271a9 MR |
1707 | } |
1708 | ||
1709 | ret = qla4xxx_set_param_ddbentry(ha, ddb_entry, cls_conn, &mbx_sts); | |
1710 | if (ret) { | |
1711 | /* If iscsid is stopped and started then no need to do | |
1712 | * set param again since ddb state will be already | |
1713 | * active and FW does not allow set ddb to an | |
1714 | * active session. | |
1715 | */ | |
1716 | if (mbx_sts) | |
1717 | if (ddb_entry->fw_ddb_device_state == | |
f922da79 | 1718 | DDB_DS_SESSION_ACTIVE) { |
13483730 | 1719 | ddb_entry->unblock_sess(ddb_entry->sess); |
b3a271a9 | 1720 | goto exit_set_param; |
f922da79 | 1721 | } |
b3a271a9 MR |
1722 | |
1723 | ql4_printk(KERN_ERR, ha, "%s: Failed set param for index[%d]\n", | |
1724 | __func__, ddb_entry->fw_ddb_index); | |
1725 | goto exit_conn_start; | |
1726 | } | |
1727 | ||
1728 | status = qla4xxx_conn_open(ha, ddb_entry->fw_ddb_index); | |
1729 | if (status == QLA_ERROR) { | |
0e7e8501 MR |
1730 | ql4_printk(KERN_ERR, ha, "%s: Login failed: %s\n", __func__, |
1731 | sess->targetname); | |
b3a271a9 MR |
1732 | ret = -EINVAL; |
1733 | goto exit_conn_start; | |
1734 | } | |
1735 | ||
98270ab4 MR |
1736 | if (ddb_entry->fw_ddb_device_state == DDB_DS_NO_CONNECTION_ACTIVE) |
1737 | ddb_entry->fw_ddb_device_state = DDB_DS_LOGIN_IN_PROCESS; | |
1738 | ||
1739 | DEBUG2(printk(KERN_INFO "%s: DDB state [%d]\n", __func__, | |
1740 | ddb_entry->fw_ddb_device_state)); | |
b3a271a9 MR |
1741 | |
1742 | exit_set_param: | |
b3a271a9 MR |
1743 | ret = 0; |
1744 | ||
1745 | exit_conn_start: | |
13483730 MC |
1746 | if (fw_ddb_entry) |
1747 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
1748 | fw_ddb_entry, fw_ddb_entry_dma); | |
b3a271a9 MR |
1749 | return ret; |
1750 | } | |
1751 | ||
1752 | static void qla4xxx_conn_destroy(struct iscsi_cls_conn *cls_conn) | |
1753 | { | |
1754 | struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); | |
1755 | struct iscsi_session *sess; | |
1756 | struct scsi_qla_host *ha; | |
1757 | struct ddb_entry *ddb_entry; | |
1758 | int options; | |
1759 | ||
1760 | DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); | |
1761 | sess = cls_sess->dd_data; | |
1762 | ddb_entry = sess->dd_data; | |
1763 | ha = ddb_entry->ha; | |
1764 | ||
1765 | options = LOGOUT_OPTION_CLOSE_SESSION; | |
1766 | if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) == QLA_ERROR) | |
1767 | ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", __func__); | |
b3a271a9 MR |
1768 | } |
1769 | ||
1770 | static void qla4xxx_task_work(struct work_struct *wdata) | |
1771 | { | |
1772 | struct ql4_task_data *task_data; | |
1773 | struct scsi_qla_host *ha; | |
1774 | struct passthru_status *sts; | |
1775 | struct iscsi_task *task; | |
1776 | struct iscsi_hdr *hdr; | |
1777 | uint8_t *data; | |
1778 | uint32_t data_len; | |
1779 | struct iscsi_conn *conn; | |
1780 | int hdr_len; | |
1781 | itt_t itt; | |
1782 | ||
1783 | task_data = container_of(wdata, struct ql4_task_data, task_work); | |
1784 | ha = task_data->ha; | |
1785 | task = task_data->task; | |
1786 | sts = &task_data->sts; | |
1787 | hdr_len = sizeof(struct iscsi_hdr); | |
1788 | ||
1789 | DEBUG3(printk(KERN_INFO "Status returned\n")); | |
1790 | DEBUG3(qla4xxx_dump_buffer(sts, 64)); | |
1791 | DEBUG3(printk(KERN_INFO "Response buffer")); | |
1792 | DEBUG3(qla4xxx_dump_buffer(task_data->resp_buffer, 64)); | |
1793 | ||
1794 | conn = task->conn; | |
1795 | ||
1796 | switch (sts->completionStatus) { | |
1797 | case PASSTHRU_STATUS_COMPLETE: | |
1798 | hdr = (struct iscsi_hdr *)task_data->resp_buffer; | |
1799 | /* Assign back the itt in hdr, until we use the PREASSIGN_TAG */ | |
1800 | itt = sts->handle; | |
1801 | hdr->itt = itt; | |
1802 | data = task_data->resp_buffer + hdr_len; | |
1803 | data_len = task_data->resp_len - hdr_len; | |
1804 | iscsi_complete_pdu(conn, hdr, data, data_len); | |
1805 | break; | |
1806 | default: | |
1807 | ql4_printk(KERN_ERR, ha, "Passthru failed status = 0x%x\n", | |
1808 | sts->completionStatus); | |
1809 | break; | |
1810 | } | |
1811 | return; | |
1812 | } | |
1813 | ||
1814 | static int qla4xxx_alloc_pdu(struct iscsi_task *task, uint8_t opcode) | |
1815 | { | |
1816 | struct ql4_task_data *task_data; | |
1817 | struct iscsi_session *sess; | |
1818 | struct ddb_entry *ddb_entry; | |
1819 | struct scsi_qla_host *ha; | |
1820 | int hdr_len; | |
1821 | ||
1822 | sess = task->conn->session; | |
1823 | ddb_entry = sess->dd_data; | |
1824 | ha = ddb_entry->ha; | |
1825 | task_data = task->dd_data; | |
1826 | memset(task_data, 0, sizeof(struct ql4_task_data)); | |
1827 | ||
1828 | if (task->sc) { | |
1829 | ql4_printk(KERN_INFO, ha, | |
1830 | "%s: SCSI Commands not implemented\n", __func__); | |
1831 | return -EINVAL; | |
1832 | } | |
1833 | ||
1834 | hdr_len = sizeof(struct iscsi_hdr); | |
1835 | task_data->ha = ha; | |
1836 | task_data->task = task; | |
1837 | ||
1838 | if (task->data_count) { | |
1839 | task_data->data_dma = dma_map_single(&ha->pdev->dev, task->data, | |
1840 | task->data_count, | |
1841 | PCI_DMA_TODEVICE); | |
1842 | } | |
1843 | ||
1844 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n", | |
1845 | __func__, task->conn->max_recv_dlength, hdr_len)); | |
1846 | ||
69ca216e | 1847 | task_data->resp_len = task->conn->max_recv_dlength + hdr_len; |
b3a271a9 MR |
1848 | task_data->resp_buffer = dma_alloc_coherent(&ha->pdev->dev, |
1849 | task_data->resp_len, | |
1850 | &task_data->resp_dma, | |
1851 | GFP_ATOMIC); | |
1852 | if (!task_data->resp_buffer) | |
1853 | goto exit_alloc_pdu; | |
1854 | ||
69ca216e | 1855 | task_data->req_len = task->data_count + hdr_len; |
b3a271a9 | 1856 | task_data->req_buffer = dma_alloc_coherent(&ha->pdev->dev, |
69ca216e | 1857 | task_data->req_len, |
b3a271a9 MR |
1858 | &task_data->req_dma, |
1859 | GFP_ATOMIC); | |
1860 | if (!task_data->req_buffer) | |
1861 | goto exit_alloc_pdu; | |
1862 | ||
1863 | task->hdr = task_data->req_buffer; | |
1864 | ||
1865 | INIT_WORK(&task_data->task_work, qla4xxx_task_work); | |
1866 | ||
1867 | return 0; | |
1868 | ||
1869 | exit_alloc_pdu: | |
1870 | if (task_data->resp_buffer) | |
1871 | dma_free_coherent(&ha->pdev->dev, task_data->resp_len, | |
1872 | task_data->resp_buffer, task_data->resp_dma); | |
1873 | ||
1874 | if (task_data->req_buffer) | |
69ca216e | 1875 | dma_free_coherent(&ha->pdev->dev, task_data->req_len, |
b3a271a9 MR |
1876 | task_data->req_buffer, task_data->req_dma); |
1877 | return -ENOMEM; | |
1878 | } | |
1879 | ||
1880 | static void qla4xxx_task_cleanup(struct iscsi_task *task) | |
1881 | { | |
1882 | struct ql4_task_data *task_data; | |
1883 | struct iscsi_session *sess; | |
1884 | struct ddb_entry *ddb_entry; | |
1885 | struct scsi_qla_host *ha; | |
1886 | int hdr_len; | |
1887 | ||
1888 | hdr_len = sizeof(struct iscsi_hdr); | |
1889 | sess = task->conn->session; | |
1890 | ddb_entry = sess->dd_data; | |
1891 | ha = ddb_entry->ha; | |
1892 | task_data = task->dd_data; | |
1893 | ||
1894 | if (task->data_count) { | |
1895 | dma_unmap_single(&ha->pdev->dev, task_data->data_dma, | |
1896 | task->data_count, PCI_DMA_TODEVICE); | |
1897 | } | |
1898 | ||
1899 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n", | |
1900 | __func__, task->conn->max_recv_dlength, hdr_len)); | |
1901 | ||
1902 | dma_free_coherent(&ha->pdev->dev, task_data->resp_len, | |
1903 | task_data->resp_buffer, task_data->resp_dma); | |
69ca216e | 1904 | dma_free_coherent(&ha->pdev->dev, task_data->req_len, |
b3a271a9 MR |
1905 | task_data->req_buffer, task_data->req_dma); |
1906 | return; | |
1907 | } | |
1908 | ||
1909 | static int qla4xxx_task_xmit(struct iscsi_task *task) | |
1910 | { | |
1911 | struct scsi_cmnd *sc = task->sc; | |
1912 | struct iscsi_session *sess = task->conn->session; | |
1913 | struct ddb_entry *ddb_entry = sess->dd_data; | |
1914 | struct scsi_qla_host *ha = ddb_entry->ha; | |
1915 | ||
1916 | if (!sc) | |
1917 | return qla4xxx_send_passthru0(task); | |
1918 | ||
1919 | ql4_printk(KERN_INFO, ha, "%s: scsi cmd xmit not implemented\n", | |
1920 | __func__); | |
1921 | return -ENOSYS; | |
1922 | } | |
1923 | ||
13483730 MC |
1924 | static void qla4xxx_copy_fwddb_param(struct scsi_qla_host *ha, |
1925 | struct dev_db_entry *fw_ddb_entry, | |
1926 | struct iscsi_cls_session *cls_sess, | |
1927 | struct iscsi_cls_conn *cls_conn) | |
1928 | { | |
1929 | int buflen = 0; | |
1930 | struct iscsi_session *sess; | |
376738af | 1931 | struct ddb_entry *ddb_entry; |
13483730 MC |
1932 | struct iscsi_conn *conn; |
1933 | char ip_addr[DDB_IPADDR_LEN]; | |
1934 | uint16_t options = 0; | |
1935 | ||
1936 | sess = cls_sess->dd_data; | |
376738af | 1937 | ddb_entry = sess->dd_data; |
13483730 MC |
1938 | conn = cls_conn->dd_data; |
1939 | ||
376738af NJ |
1940 | ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); |
1941 | ||
13483730 MC |
1942 | conn->max_recv_dlength = BYTE_UNITS * |
1943 | le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len); | |
1944 | ||
1945 | conn->max_xmit_dlength = BYTE_UNITS * | |
1946 | le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len); | |
1947 | ||
1948 | sess->initial_r2t_en = | |
1949 | (BIT_10 & le16_to_cpu(fw_ddb_entry->iscsi_options)); | |
1950 | ||
1951 | sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t); | |
1952 | ||
1953 | sess->imm_data_en = (BIT_11 & le16_to_cpu(fw_ddb_entry->iscsi_options)); | |
1954 | ||
1955 | sess->first_burst = BYTE_UNITS * | |
1956 | le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len); | |
1957 | ||
1958 | sess->max_burst = BYTE_UNITS * | |
1959 | le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len); | |
1960 | ||
1961 | sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); | |
1962 | ||
1963 | sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain); | |
1964 | ||
1965 | conn->persistent_port = le16_to_cpu(fw_ddb_entry->port); | |
1966 | ||
1967 | sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); | |
1968 | ||
1969 | options = le16_to_cpu(fw_ddb_entry->options); | |
1970 | if (options & DDB_OPT_IPV6_DEVICE) | |
1971 | sprintf(ip_addr, "%pI6", fw_ddb_entry->ip_addr); | |
1972 | else | |
1973 | sprintf(ip_addr, "%pI4", fw_ddb_entry->ip_addr); | |
1974 | ||
1975 | iscsi_set_param(cls_conn, ISCSI_PARAM_TARGET_NAME, | |
1976 | (char *)fw_ddb_entry->iscsi_name, buflen); | |
1977 | iscsi_set_param(cls_conn, ISCSI_PARAM_INITIATOR_NAME, | |
1978 | (char *)ha->name_string, buflen); | |
1979 | iscsi_set_param(cls_conn, ISCSI_PARAM_PERSISTENT_ADDRESS, | |
1980 | (char *)ip_addr, buflen); | |
6c1b8789 VC |
1981 | iscsi_set_param(cls_conn, ISCSI_PARAM_TARGET_ALIAS, |
1982 | (char *)fw_ddb_entry->iscsi_alias, buflen); | |
13483730 MC |
1983 | } |
1984 | ||
1985 | void qla4xxx_update_session_conn_fwddb_param(struct scsi_qla_host *ha, | |
1986 | struct ddb_entry *ddb_entry) | |
1987 | { | |
1988 | struct iscsi_cls_session *cls_sess; | |
1989 | struct iscsi_cls_conn *cls_conn; | |
1990 | uint32_t ddb_state; | |
1991 | dma_addr_t fw_ddb_entry_dma; | |
1992 | struct dev_db_entry *fw_ddb_entry; | |
1993 | ||
1994 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
1995 | &fw_ddb_entry_dma, GFP_KERNEL); | |
1996 | if (!fw_ddb_entry) { | |
1997 | ql4_printk(KERN_ERR, ha, | |
1998 | "%s: Unable to allocate dma buffer\n", __func__); | |
1999 | goto exit_session_conn_fwddb_param; | |
2000 | } | |
2001 | ||
2002 | if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry, | |
2003 | fw_ddb_entry_dma, NULL, NULL, &ddb_state, | |
2004 | NULL, NULL, NULL) == QLA_ERROR) { | |
2005 | DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed " | |
2006 | "get_ddb_entry for fw_ddb_index %d\n", | |
2007 | ha->host_no, __func__, | |
2008 | ddb_entry->fw_ddb_index)); | |
2009 | goto exit_session_conn_fwddb_param; | |
2010 | } | |
2011 | ||
2012 | cls_sess = ddb_entry->sess; | |
2013 | ||
2014 | cls_conn = ddb_entry->conn; | |
2015 | ||
2016 | /* Update params */ | |
2017 | qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn); | |
2018 | ||
2019 | exit_session_conn_fwddb_param: | |
2020 | if (fw_ddb_entry) | |
2021 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
2022 | fw_ddb_entry, fw_ddb_entry_dma); | |
2023 | } | |
2024 | ||
b3a271a9 MR |
2025 | void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha, |
2026 | struct ddb_entry *ddb_entry) | |
2027 | { | |
2028 | struct iscsi_cls_session *cls_sess; | |
2029 | struct iscsi_cls_conn *cls_conn; | |
2030 | struct iscsi_session *sess; | |
2031 | struct iscsi_conn *conn; | |
2032 | uint32_t ddb_state; | |
2033 | dma_addr_t fw_ddb_entry_dma; | |
2034 | struct dev_db_entry *fw_ddb_entry; | |
2035 | ||
2036 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
2037 | &fw_ddb_entry_dma, GFP_KERNEL); | |
2038 | if (!fw_ddb_entry) { | |
2039 | ql4_printk(KERN_ERR, ha, | |
2040 | "%s: Unable to allocate dma buffer\n", __func__); | |
13483730 | 2041 | goto exit_session_conn_param; |
b3a271a9 MR |
2042 | } |
2043 | ||
2044 | if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry, | |
2045 | fw_ddb_entry_dma, NULL, NULL, &ddb_state, | |
2046 | NULL, NULL, NULL) == QLA_ERROR) { | |
2047 | DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed " | |
2048 | "get_ddb_entry for fw_ddb_index %d\n", | |
2049 | ha->host_no, __func__, | |
2050 | ddb_entry->fw_ddb_index)); | |
13483730 | 2051 | goto exit_session_conn_param; |
b3a271a9 MR |
2052 | } |
2053 | ||
2054 | cls_sess = ddb_entry->sess; | |
2055 | sess = cls_sess->dd_data; | |
2056 | ||
2057 | cls_conn = ddb_entry->conn; | |
2058 | conn = cls_conn->dd_data; | |
2059 | ||
13483730 MC |
2060 | /* Update timers after login */ |
2061 | ddb_entry->default_relogin_timeout = | |
c28eaaca NJ |
2062 | (le16_to_cpu(fw_ddb_entry->def_timeout) > LOGIN_TOV) && |
2063 | (le16_to_cpu(fw_ddb_entry->def_timeout) < LOGIN_TOV * 10) ? | |
2064 | le16_to_cpu(fw_ddb_entry->def_timeout) : LOGIN_TOV; | |
13483730 MC |
2065 | ddb_entry->default_time2wait = |
2066 | le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); | |
2067 | ||
b3a271a9 | 2068 | /* Update params */ |
376738af | 2069 | ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); |
b3a271a9 MR |
2070 | conn->max_recv_dlength = BYTE_UNITS * |
2071 | le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len); | |
2072 | ||
2073 | conn->max_xmit_dlength = BYTE_UNITS * | |
2074 | le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len); | |
2075 | ||
2076 | sess->initial_r2t_en = | |
2077 | (BIT_10 & le16_to_cpu(fw_ddb_entry->iscsi_options)); | |
2078 | ||
2079 | sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t); | |
2080 | ||
2081 | sess->imm_data_en = (BIT_11 & le16_to_cpu(fw_ddb_entry->iscsi_options)); | |
2082 | ||
2083 | sess->first_burst = BYTE_UNITS * | |
2084 | le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len); | |
2085 | ||
2086 | sess->max_burst = BYTE_UNITS * | |
2087 | le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len); | |
2088 | ||
2089 | sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); | |
2090 | ||
2091 | sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain); | |
2092 | ||
2093 | sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); | |
2094 | ||
2095 | memcpy(sess->initiatorname, ha->name_string, | |
2096 | min(sizeof(ha->name_string), sizeof(sess->initiatorname))); | |
13483730 | 2097 | |
6c1b8789 VC |
2098 | iscsi_set_param(cls_conn, ISCSI_PARAM_TARGET_ALIAS, |
2099 | (char *)fw_ddb_entry->iscsi_alias, 0); | |
2100 | ||
13483730 MC |
2101 | exit_session_conn_param: |
2102 | if (fw_ddb_entry) | |
2103 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
2104 | fw_ddb_entry, fw_ddb_entry_dma); | |
b3a271a9 MR |
2105 | } |
2106 | ||
afaf5a2d DS |
2107 | /* |
2108 | * Timer routines | |
2109 | */ | |
2110 | ||
2111 | static void qla4xxx_start_timer(struct scsi_qla_host *ha, void *func, | |
2112 | unsigned long interval) | |
2113 | { | |
2114 | DEBUG(printk("scsi: %s: Starting timer thread for adapter %d\n", | |
2115 | __func__, ha->host->host_no)); | |
2116 | init_timer(&ha->timer); | |
2117 | ha->timer.expires = jiffies + interval * HZ; | |
2118 | ha->timer.data = (unsigned long)ha; | |
2119 | ha->timer.function = (void (*)(unsigned long))func; | |
2120 | add_timer(&ha->timer); | |
2121 | ha->timer_active = 1; | |
2122 | } | |
2123 | ||
2124 | static void qla4xxx_stop_timer(struct scsi_qla_host *ha) | |
2125 | { | |
2126 | del_timer_sync(&ha->timer); | |
2127 | ha->timer_active = 0; | |
2128 | } | |
2129 | ||
2130 | /*** | |
b3a271a9 MR |
2131 | * qla4xxx_mark_device_missing - blocks the session |
2132 | * @cls_session: Pointer to the session to be blocked | |
afaf5a2d DS |
2133 | * @ddb_entry: Pointer to device database entry |
2134 | * | |
f4f5df23 | 2135 | * This routine marks a device missing and close connection. |
afaf5a2d | 2136 | **/ |
b3a271a9 | 2137 | void qla4xxx_mark_device_missing(struct iscsi_cls_session *cls_session) |
afaf5a2d | 2138 | { |
b3a271a9 | 2139 | iscsi_block_session(cls_session); |
afaf5a2d DS |
2140 | } |
2141 | ||
f4f5df23 VC |
2142 | /** |
2143 | * qla4xxx_mark_all_devices_missing - mark all devices as missing. | |
2144 | * @ha: Pointer to host adapter structure. | |
2145 | * | |
2146 | * This routine marks a device missing and resets the relogin retry count. | |
2147 | **/ | |
2148 | void qla4xxx_mark_all_devices_missing(struct scsi_qla_host *ha) | |
2149 | { | |
b3a271a9 | 2150 | iscsi_host_for_each_session(ha->host, qla4xxx_mark_device_missing); |
f4f5df23 VC |
2151 | } |
2152 | ||
afaf5a2d DS |
2153 | static struct srb* qla4xxx_get_new_srb(struct scsi_qla_host *ha, |
2154 | struct ddb_entry *ddb_entry, | |
8f0722ca | 2155 | struct scsi_cmnd *cmd) |
afaf5a2d DS |
2156 | { |
2157 | struct srb *srb; | |
2158 | ||
2159 | srb = mempool_alloc(ha->srb_mempool, GFP_ATOMIC); | |
2160 | if (!srb) | |
2161 | return srb; | |
2162 | ||
09a0f719 | 2163 | kref_init(&srb->srb_ref); |
afaf5a2d DS |
2164 | srb->ha = ha; |
2165 | srb->ddb = ddb_entry; | |
2166 | srb->cmd = cmd; | |
2167 | srb->flags = 0; | |
5369887a | 2168 | CMD_SP(cmd) = (void *)srb; |
afaf5a2d DS |
2169 | |
2170 | return srb; | |
2171 | } | |
2172 | ||
2173 | static void qla4xxx_srb_free_dma(struct scsi_qla_host *ha, struct srb *srb) | |
2174 | { | |
2175 | struct scsi_cmnd *cmd = srb->cmd; | |
2176 | ||
2177 | if (srb->flags & SRB_DMA_VALID) { | |
5f7186c8 | 2178 | scsi_dma_unmap(cmd); |
afaf5a2d DS |
2179 | srb->flags &= ~SRB_DMA_VALID; |
2180 | } | |
5369887a | 2181 | CMD_SP(cmd) = NULL; |
afaf5a2d DS |
2182 | } |
2183 | ||
09a0f719 | 2184 | void qla4xxx_srb_compl(struct kref *ref) |
afaf5a2d | 2185 | { |
09a0f719 | 2186 | struct srb *srb = container_of(ref, struct srb, srb_ref); |
afaf5a2d | 2187 | struct scsi_cmnd *cmd = srb->cmd; |
09a0f719 | 2188 | struct scsi_qla_host *ha = srb->ha; |
afaf5a2d DS |
2189 | |
2190 | qla4xxx_srb_free_dma(ha, srb); | |
2191 | ||
2192 | mempool_free(srb, ha->srb_mempool); | |
2193 | ||
2194 | cmd->scsi_done(cmd); | |
2195 | } | |
2196 | ||
2197 | /** | |
2198 | * qla4xxx_queuecommand - scsi layer issues scsi command to driver. | |
8f0722ca | 2199 | * @host: scsi host |
afaf5a2d | 2200 | * @cmd: Pointer to Linux's SCSI command structure |
afaf5a2d DS |
2201 | * |
2202 | * Remarks: | |
2203 | * This routine is invoked by Linux to send a SCSI command to the driver. | |
2204 | * The mid-level driver tries to ensure that queuecommand never gets | |
2205 | * invoked concurrently with itself or the interrupt handler (although | |
2206 | * the interrupt handler may call this routine as part of request- | |
2207 | * completion handling). Unfortunely, it sometimes calls the scheduler | |
2208 | * in interrupt context which is a big NO! NO!. | |
2209 | **/ | |
8f0722ca | 2210 | static int qla4xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) |
afaf5a2d | 2211 | { |
8f0722ca | 2212 | struct scsi_qla_host *ha = to_qla_host(host); |
afaf5a2d | 2213 | struct ddb_entry *ddb_entry = cmd->device->hostdata; |
7fb1921b | 2214 | struct iscsi_cls_session *sess = ddb_entry->sess; |
afaf5a2d DS |
2215 | struct srb *srb; |
2216 | int rval; | |
2217 | ||
2232be0d LC |
2218 | if (test_bit(AF_EEH_BUSY, &ha->flags)) { |
2219 | if (test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags)) | |
2220 | cmd->result = DID_NO_CONNECT << 16; | |
2221 | else | |
2222 | cmd->result = DID_REQUEUE << 16; | |
2223 | goto qc_fail_command; | |
2224 | } | |
2225 | ||
7fb1921b MC |
2226 | if (!sess) { |
2227 | cmd->result = DID_IMM_RETRY << 16; | |
2228 | goto qc_fail_command; | |
2229 | } | |
2230 | ||
2231 | rval = iscsi_session_chkready(sess); | |
2232 | if (rval) { | |
2233 | cmd->result = rval; | |
2234 | goto qc_fail_command; | |
2235 | } | |
2236 | ||
f4f5df23 VC |
2237 | if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || |
2238 | test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) || | |
2239 | test_bit(DPC_RESET_HA, &ha->dpc_flags) || | |
2240 | test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) || | |
2241 | test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) || | |
2242 | !test_bit(AF_ONLINE, &ha->flags) || | |
b3a271a9 | 2243 | !test_bit(AF_LINK_UP, &ha->flags) || |
f4f5df23 | 2244 | test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) |
477ffb9d DS |
2245 | goto qc_host_busy; |
2246 | ||
8f0722ca | 2247 | srb = qla4xxx_get_new_srb(ha, ddb_entry, cmd); |
afaf5a2d | 2248 | if (!srb) |
8f0722ca | 2249 | goto qc_host_busy; |
afaf5a2d DS |
2250 | |
2251 | rval = qla4xxx_send_command_to_isp(ha, srb); | |
2252 | if (rval != QLA_SUCCESS) | |
2253 | goto qc_host_busy_free_sp; | |
2254 | ||
afaf5a2d DS |
2255 | return 0; |
2256 | ||
2257 | qc_host_busy_free_sp: | |
2258 | qla4xxx_srb_free_dma(ha, srb); | |
2259 | mempool_free(srb, ha->srb_mempool); | |
2260 | ||
afaf5a2d DS |
2261 | qc_host_busy: |
2262 | return SCSI_MLQUEUE_HOST_BUSY; | |
2263 | ||
2264 | qc_fail_command: | |
8f0722ca | 2265 | cmd->scsi_done(cmd); |
afaf5a2d DS |
2266 | |
2267 | return 0; | |
2268 | } | |
2269 | ||
2270 | /** | |
2271 | * qla4xxx_mem_free - frees memory allocated to adapter | |
2272 | * @ha: Pointer to host adapter structure. | |
2273 | * | |
2274 | * Frees memory previously allocated by qla4xxx_mem_alloc | |
2275 | **/ | |
2276 | static void qla4xxx_mem_free(struct scsi_qla_host *ha) | |
2277 | { | |
2278 | if (ha->queues) | |
2279 | dma_free_coherent(&ha->pdev->dev, ha->queues_len, ha->queues, | |
2280 | ha->queues_dma); | |
2281 | ||
068237c8 TP |
2282 | if (ha->fw_dump) |
2283 | vfree(ha->fw_dump); | |
2284 | ||
afaf5a2d DS |
2285 | ha->queues_len = 0; |
2286 | ha->queues = NULL; | |
2287 | ha->queues_dma = 0; | |
2288 | ha->request_ring = NULL; | |
2289 | ha->request_dma = 0; | |
2290 | ha->response_ring = NULL; | |
2291 | ha->response_dma = 0; | |
2292 | ha->shadow_regs = NULL; | |
2293 | ha->shadow_regs_dma = 0; | |
068237c8 TP |
2294 | ha->fw_dump = NULL; |
2295 | ha->fw_dump_size = 0; | |
afaf5a2d DS |
2296 | |
2297 | /* Free srb pool. */ | |
2298 | if (ha->srb_mempool) | |
2299 | mempool_destroy(ha->srb_mempool); | |
2300 | ||
2301 | ha->srb_mempool = NULL; | |
2302 | ||
b3a271a9 MR |
2303 | if (ha->chap_dma_pool) |
2304 | dma_pool_destroy(ha->chap_dma_pool); | |
2305 | ||
4549415a LC |
2306 | if (ha->chap_list) |
2307 | vfree(ha->chap_list); | |
2308 | ha->chap_list = NULL; | |
2309 | ||
13483730 MC |
2310 | if (ha->fw_ddb_dma_pool) |
2311 | dma_pool_destroy(ha->fw_ddb_dma_pool); | |
2312 | ||
afaf5a2d | 2313 | /* release io space registers */ |
f4f5df23 VC |
2314 | if (is_qla8022(ha)) { |
2315 | if (ha->nx_pcibase) | |
2316 | iounmap( | |
2317 | (struct device_reg_82xx __iomem *)ha->nx_pcibase); | |
f4f5df23 | 2318 | } else if (ha->reg) |
afaf5a2d DS |
2319 | iounmap(ha->reg); |
2320 | pci_release_regions(ha->pdev); | |
2321 | } | |
2322 | ||
2323 | /** | |
2324 | * qla4xxx_mem_alloc - allocates memory for use by adapter. | |
2325 | * @ha: Pointer to host adapter structure | |
2326 | * | |
2327 | * Allocates DMA memory for request and response queues. Also allocates memory | |
2328 | * for srbs. | |
2329 | **/ | |
2330 | static int qla4xxx_mem_alloc(struct scsi_qla_host *ha) | |
2331 | { | |
2332 | unsigned long align; | |
2333 | ||
2334 | /* Allocate contiguous block of DMA memory for queues. */ | |
2335 | ha->queues_len = ((REQUEST_QUEUE_DEPTH * QUEUE_SIZE) + | |
2336 | (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE) + | |
2337 | sizeof(struct shadow_regs) + | |
2338 | MEM_ALIGN_VALUE + | |
2339 | (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1); | |
2340 | ha->queues = dma_alloc_coherent(&ha->pdev->dev, ha->queues_len, | |
2341 | &ha->queues_dma, GFP_KERNEL); | |
2342 | if (ha->queues == NULL) { | |
c2660df3 VC |
2343 | ql4_printk(KERN_WARNING, ha, |
2344 | "Memory Allocation failed - queues.\n"); | |
afaf5a2d DS |
2345 | |
2346 | goto mem_alloc_error_exit; | |
2347 | } | |
2348 | memset(ha->queues, 0, ha->queues_len); | |
2349 | ||
2350 | /* | |
2351 | * As per RISC alignment requirements -- the bus-address must be a | |
2352 | * multiple of the request-ring size (in bytes). | |
2353 | */ | |
2354 | align = 0; | |
2355 | if ((unsigned long)ha->queues_dma & (MEM_ALIGN_VALUE - 1)) | |
2356 | align = MEM_ALIGN_VALUE - ((unsigned long)ha->queues_dma & | |
2357 | (MEM_ALIGN_VALUE - 1)); | |
2358 | ||
2359 | /* Update request and response queue pointers. */ | |
2360 | ha->request_dma = ha->queues_dma + align; | |
2361 | ha->request_ring = (struct queue_entry *) (ha->queues + align); | |
2362 | ha->response_dma = ha->queues_dma + align + | |
2363 | (REQUEST_QUEUE_DEPTH * QUEUE_SIZE); | |
2364 | ha->response_ring = (struct queue_entry *) (ha->queues + align + | |
2365 | (REQUEST_QUEUE_DEPTH * | |
2366 | QUEUE_SIZE)); | |
2367 | ha->shadow_regs_dma = ha->queues_dma + align + | |
2368 | (REQUEST_QUEUE_DEPTH * QUEUE_SIZE) + | |
2369 | (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE); | |
2370 | ha->shadow_regs = (struct shadow_regs *) (ha->queues + align + | |
2371 | (REQUEST_QUEUE_DEPTH * | |
2372 | QUEUE_SIZE) + | |
2373 | (RESPONSE_QUEUE_DEPTH * | |
2374 | QUEUE_SIZE)); | |
2375 | ||
2376 | /* Allocate memory for srb pool. */ | |
2377 | ha->srb_mempool = mempool_create(SRB_MIN_REQ, mempool_alloc_slab, | |
2378 | mempool_free_slab, srb_cachep); | |
2379 | if (ha->srb_mempool == NULL) { | |
c2660df3 VC |
2380 | ql4_printk(KERN_WARNING, ha, |
2381 | "Memory Allocation failed - SRB Pool.\n"); | |
afaf5a2d DS |
2382 | |
2383 | goto mem_alloc_error_exit; | |
2384 | } | |
2385 | ||
b3a271a9 MR |
2386 | ha->chap_dma_pool = dma_pool_create("ql4_chap", &ha->pdev->dev, |
2387 | CHAP_DMA_BLOCK_SIZE, 8, 0); | |
2388 | ||
2389 | if (ha->chap_dma_pool == NULL) { | |
2390 | ql4_printk(KERN_WARNING, ha, | |
2391 | "%s: chap_dma_pool allocation failed..\n", __func__); | |
2392 | goto mem_alloc_error_exit; | |
2393 | } | |
2394 | ||
13483730 MC |
2395 | ha->fw_ddb_dma_pool = dma_pool_create("ql4_fw_ddb", &ha->pdev->dev, |
2396 | DDB_DMA_BLOCK_SIZE, 8, 0); | |
2397 | ||
2398 | if (ha->fw_ddb_dma_pool == NULL) { | |
2399 | ql4_printk(KERN_WARNING, ha, | |
2400 | "%s: fw_ddb_dma_pool allocation failed..\n", | |
2401 | __func__); | |
2402 | goto mem_alloc_error_exit; | |
2403 | } | |
2404 | ||
afaf5a2d DS |
2405 | return QLA_SUCCESS; |
2406 | ||
2407 | mem_alloc_error_exit: | |
2408 | qla4xxx_mem_free(ha); | |
2409 | return QLA_ERROR; | |
2410 | } | |
2411 | ||
4f77083e MH |
2412 | /** |
2413 | * qla4_8xxx_check_temp - Check the ISP82XX temperature. | |
2414 | * @ha: adapter block pointer. | |
2415 | * | |
2416 | * Note: The caller should not hold the idc lock. | |
2417 | **/ | |
2418 | static int qla4_8xxx_check_temp(struct scsi_qla_host *ha) | |
2419 | { | |
2420 | uint32_t temp, temp_state, temp_val; | |
2421 | int status = QLA_SUCCESS; | |
2422 | ||
2423 | temp = qla4_8xxx_rd_32(ha, CRB_TEMP_STATE); | |
2424 | ||
2425 | temp_state = qla82xx_get_temp_state(temp); | |
2426 | temp_val = qla82xx_get_temp_val(temp); | |
2427 | ||
2428 | if (temp_state == QLA82XX_TEMP_PANIC) { | |
2429 | ql4_printk(KERN_WARNING, ha, "Device temperature %d degrees C" | |
2430 | " exceeds maximum allowed. Hardware has been shut" | |
2431 | " down.\n", temp_val); | |
2432 | status = QLA_ERROR; | |
2433 | } else if (temp_state == QLA82XX_TEMP_WARN) { | |
2434 | if (ha->temperature == QLA82XX_TEMP_NORMAL) | |
2435 | ql4_printk(KERN_WARNING, ha, "Device temperature %d" | |
2436 | " degrees C exceeds operating range." | |
2437 | " Immediate action needed.\n", temp_val); | |
2438 | } else { | |
2439 | if (ha->temperature == QLA82XX_TEMP_WARN) | |
2440 | ql4_printk(KERN_INFO, ha, "Device temperature is" | |
2441 | " now %d degrees C in normal range.\n", | |
2442 | temp_val); | |
2443 | } | |
2444 | ha->temperature = temp_state; | |
2445 | return status; | |
2446 | } | |
2447 | ||
f4f5df23 VC |
2448 | /** |
2449 | * qla4_8xxx_check_fw_alive - Check firmware health | |
2450 | * @ha: Pointer to host adapter structure. | |
2451 | * | |
2452 | * Context: Interrupt | |
2453 | **/ | |
9ee91a38 | 2454 | static int qla4_8xxx_check_fw_alive(struct scsi_qla_host *ha) |
f4f5df23 | 2455 | { |
9ee91a38 SS |
2456 | uint32_t fw_heartbeat_counter; |
2457 | int status = QLA_SUCCESS; | |
f4f5df23 VC |
2458 | |
2459 | fw_heartbeat_counter = qla4_8xxx_rd_32(ha, QLA82XX_PEG_ALIVE_COUNTER); | |
2232be0d LC |
2460 | /* If PEG_ALIVE_COUNTER is 0xffffffff, AER/EEH is in progress, ignore */ |
2461 | if (fw_heartbeat_counter == 0xffffffff) { | |
2462 | DEBUG2(printk(KERN_WARNING "scsi%ld: %s: Device in frozen " | |
2463 | "state, QLA82XX_PEG_ALIVE_COUNTER is 0xffffffff\n", | |
2464 | ha->host_no, __func__)); | |
9ee91a38 | 2465 | return status; |
2232be0d | 2466 | } |
f4f5df23 VC |
2467 | |
2468 | if (ha->fw_heartbeat_counter == fw_heartbeat_counter) { | |
2469 | ha->seconds_since_last_heartbeat++; | |
2470 | /* FW not alive after 2 seconds */ | |
2471 | if (ha->seconds_since_last_heartbeat == 2) { | |
2472 | ha->seconds_since_last_heartbeat = 0; | |
68d92ebf VC |
2473 | |
2474 | ql4_printk(KERN_INFO, ha, | |
2475 | "scsi(%ld): %s, Dumping hw/fw registers:\n " | |
2476 | " PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2:" | |
2477 | " 0x%x,\n PEG_NET_0_PC: 0x%x, PEG_NET_1_PC:" | |
2478 | " 0x%x,\n PEG_NET_2_PC: 0x%x, PEG_NET_3_PC:" | |
2479 | " 0x%x,\n PEG_NET_4_PC: 0x%x\n", | |
9ee91a38 SS |
2480 | ha->host_no, __func__, |
2481 | qla4_8xxx_rd_32(ha, | |
2482 | QLA82XX_PEG_HALT_STATUS1), | |
68d92ebf VC |
2483 | qla4_8xxx_rd_32(ha, |
2484 | QLA82XX_PEG_HALT_STATUS2), | |
2485 | qla4_8xxx_rd_32(ha, QLA82XX_CRB_PEG_NET_0 + | |
2486 | 0x3c), | |
2487 | qla4_8xxx_rd_32(ha, QLA82XX_CRB_PEG_NET_1 + | |
2488 | 0x3c), | |
2489 | qla4_8xxx_rd_32(ha, QLA82XX_CRB_PEG_NET_2 + | |
2490 | 0x3c), | |
2491 | qla4_8xxx_rd_32(ha, QLA82XX_CRB_PEG_NET_3 + | |
2492 | 0x3c), | |
2493 | qla4_8xxx_rd_32(ha, QLA82XX_CRB_PEG_NET_4 + | |
2494 | 0x3c)); | |
9ee91a38 | 2495 | status = QLA_ERROR; |
f4f5df23 | 2496 | } |
99457d75 LC |
2497 | } else |
2498 | ha->seconds_since_last_heartbeat = 0; | |
2499 | ||
f4f5df23 | 2500 | ha->fw_heartbeat_counter = fw_heartbeat_counter; |
9ee91a38 | 2501 | return status; |
f4f5df23 VC |
2502 | } |
2503 | ||
2504 | /** | |
2505 | * qla4_8xxx_watchdog - Poll dev state | |
2506 | * @ha: Pointer to host adapter structure. | |
2507 | * | |
2508 | * Context: Interrupt | |
2509 | **/ | |
2510 | void qla4_8xxx_watchdog(struct scsi_qla_host *ha) | |
2511 | { | |
9ee91a38 | 2512 | uint32_t dev_state, halt_status; |
f4f5df23 VC |
2513 | |
2514 | /* don't poll if reset is going on */ | |
d56a1f7b LC |
2515 | if (!(test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) || |
2516 | test_bit(DPC_RESET_HA, &ha->dpc_flags) || | |
977f46a4 | 2517 | test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags))) { |
9ee91a38 | 2518 | dev_state = qla4_8xxx_rd_32(ha, QLA82XX_CRB_DEV_STATE); |
4f77083e MH |
2519 | |
2520 | if (qla4_8xxx_check_temp(ha)) { | |
e6bd0ebd GM |
2521 | ql4_printk(KERN_INFO, ha, "disabling pause" |
2522 | " transmit on port 0 & 1.\n"); | |
2523 | qla4_8xxx_wr_32(ha, QLA82XX_CRB_NIU + 0x98, | |
2524 | CRB_NIU_XG_PAUSE_CTL_P0 | | |
2525 | CRB_NIU_XG_PAUSE_CTL_P1); | |
4f77083e MH |
2526 | set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags); |
2527 | qla4xxx_wake_dpc(ha); | |
2528 | } else if (dev_state == QLA82XX_DEV_NEED_RESET && | |
f4f5df23 | 2529 | !test_bit(DPC_RESET_HA, &ha->dpc_flags)) { |
3930b8c1 VC |
2530 | if (!ql4xdontresethba) { |
2531 | ql4_printk(KERN_INFO, ha, "%s: HW State: " | |
2532 | "NEED RESET!\n", __func__); | |
2533 | set_bit(DPC_RESET_HA, &ha->dpc_flags); | |
2534 | qla4xxx_wake_dpc(ha); | |
3930b8c1 | 2535 | } |
f4f5df23 VC |
2536 | } else if (dev_state == QLA82XX_DEV_NEED_QUIESCENT && |
2537 | !test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) { | |
3930b8c1 VC |
2538 | ql4_printk(KERN_INFO, ha, "%s: HW State: NEED QUIES!\n", |
2539 | __func__); | |
f4f5df23 VC |
2540 | set_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags); |
2541 | qla4xxx_wake_dpc(ha); | |
2542 | } else { | |
2543 | /* Check firmware health */ | |
9ee91a38 | 2544 | if (qla4_8xxx_check_fw_alive(ha)) { |
e6bd0ebd GM |
2545 | ql4_printk(KERN_INFO, ha, "disabling pause" |
2546 | " transmit on port 0 & 1.\n"); | |
2547 | qla4_8xxx_wr_32(ha, QLA82XX_CRB_NIU + 0x98, | |
2548 | CRB_NIU_XG_PAUSE_CTL_P0 | | |
2549 | CRB_NIU_XG_PAUSE_CTL_P1); | |
9ee91a38 SS |
2550 | halt_status = qla4_8xxx_rd_32(ha, |
2551 | QLA82XX_PEG_HALT_STATUS1); | |
2552 | ||
46801ba6 | 2553 | if (QLA82XX_FWERROR_CODE(halt_status) == 0x67) |
527c8b2e NJ |
2554 | ql4_printk(KERN_ERR, ha, "%s:" |
2555 | " Firmware aborted with" | |
2556 | " error code 0x00006700." | |
2557 | " Device is being reset\n", | |
2558 | __func__); | |
2559 | ||
9ee91a38 SS |
2560 | /* Since we cannot change dev_state in interrupt |
2561 | * context, set appropriate DPC flag then wakeup | |
2562 | * DPC */ | |
2563 | if (halt_status & HALT_STATUS_UNRECOVERABLE) | |
2564 | set_bit(DPC_HA_UNRECOVERABLE, | |
2565 | &ha->dpc_flags); | |
2566 | else { | |
2567 | ql4_printk(KERN_INFO, ha, "%s: detect " | |
2568 | "abort needed!\n", __func__); | |
2569 | set_bit(DPC_RESET_HA, &ha->dpc_flags); | |
2570 | } | |
2571 | qla4xxx_mailbox_premature_completion(ha); | |
2572 | qla4xxx_wake_dpc(ha); | |
2573 | } | |
f4f5df23 VC |
2574 | } |
2575 | } | |
2576 | } | |
2577 | ||
4a4bc2e9 | 2578 | static void qla4xxx_check_relogin_flash_ddb(struct iscsi_cls_session *cls_sess) |
13483730 MC |
2579 | { |
2580 | struct iscsi_session *sess; | |
2581 | struct ddb_entry *ddb_entry; | |
2582 | struct scsi_qla_host *ha; | |
2583 | ||
2584 | sess = cls_sess->dd_data; | |
2585 | ddb_entry = sess->dd_data; | |
2586 | ha = ddb_entry->ha; | |
2587 | ||
2588 | if (!(ddb_entry->ddb_type == FLASH_DDB)) | |
2589 | return; | |
2590 | ||
2591 | if (adapter_up(ha) && !test_bit(DF_RELOGIN, &ddb_entry->flags) && | |
2592 | !iscsi_is_session_online(cls_sess)) { | |
2593 | if (atomic_read(&ddb_entry->retry_relogin_timer) != | |
2594 | INVALID_ENTRY) { | |
2595 | if (atomic_read(&ddb_entry->retry_relogin_timer) == | |
2596 | 0) { | |
2597 | atomic_set(&ddb_entry->retry_relogin_timer, | |
2598 | INVALID_ENTRY); | |
2599 | set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); | |
2600 | set_bit(DF_RELOGIN, &ddb_entry->flags); | |
2601 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
2602 | "%s: index [%d] login device\n", | |
2603 | __func__, ddb_entry->fw_ddb_index)); | |
2604 | } else | |
2605 | atomic_dec(&ddb_entry->retry_relogin_timer); | |
2606 | } | |
2607 | } | |
2608 | ||
2609 | /* Wait for relogin to timeout */ | |
2610 | if (atomic_read(&ddb_entry->relogin_timer) && | |
2611 | (atomic_dec_and_test(&ddb_entry->relogin_timer) != 0)) { | |
2612 | /* | |
2613 | * If the relogin times out and the device is | |
2614 | * still NOT ONLINE then try and relogin again. | |
2615 | */ | |
2616 | if (!iscsi_is_session_online(cls_sess)) { | |
2617 | /* Reset retry relogin timer */ | |
2618 | atomic_inc(&ddb_entry->relogin_retry_count); | |
2619 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
2620 | "%s: index[%d] relogin timed out-retrying" | |
2621 | " relogin (%d), retry (%d)\n", __func__, | |
2622 | ddb_entry->fw_ddb_index, | |
2623 | atomic_read(&ddb_entry->relogin_retry_count), | |
2624 | ddb_entry->default_time2wait + 4)); | |
2625 | set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); | |
2626 | atomic_set(&ddb_entry->retry_relogin_timer, | |
2627 | ddb_entry->default_time2wait + 4); | |
2628 | } | |
2629 | } | |
2630 | } | |
2631 | ||
afaf5a2d DS |
2632 | /** |
2633 | * qla4xxx_timer - checks every second for work to do. | |
2634 | * @ha: Pointer to host adapter structure. | |
2635 | **/ | |
2636 | static void qla4xxx_timer(struct scsi_qla_host *ha) | |
2637 | { | |
afaf5a2d | 2638 | int start_dpc = 0; |
2232be0d LC |
2639 | uint16_t w; |
2640 | ||
13483730 MC |
2641 | iscsi_host_for_each_session(ha->host, qla4xxx_check_relogin_flash_ddb); |
2642 | ||
2232be0d LC |
2643 | /* If we are in the middle of AER/EEH processing |
2644 | * skip any processing and reschedule the timer | |
2645 | */ | |
2646 | if (test_bit(AF_EEH_BUSY, &ha->flags)) { | |
2647 | mod_timer(&ha->timer, jiffies + HZ); | |
2648 | return; | |
2649 | } | |
2650 | ||
2651 | /* Hardware read to trigger an EEH error during mailbox waits. */ | |
2652 | if (!pci_channel_offline(ha->pdev)) | |
2653 | pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w); | |
afaf5a2d | 2654 | |
f4f5df23 VC |
2655 | if (is_qla8022(ha)) { |
2656 | qla4_8xxx_watchdog(ha); | |
2657 | } | |
2658 | ||
f4f5df23 VC |
2659 | if (!is_qla8022(ha)) { |
2660 | /* Check for heartbeat interval. */ | |
2661 | if (ha->firmware_options & FWOPT_HEARTBEAT_ENABLE && | |
2662 | ha->heartbeat_interval != 0) { | |
2663 | ha->seconds_since_last_heartbeat++; | |
2664 | if (ha->seconds_since_last_heartbeat > | |
2665 | ha->heartbeat_interval + 2) | |
2666 | set_bit(DPC_RESET_HA, &ha->dpc_flags); | |
2667 | } | |
afaf5a2d DS |
2668 | } |
2669 | ||
ff884430 VC |
2670 | /* Process any deferred work. */ |
2671 | if (!list_empty(&ha->work_list)) | |
2672 | start_dpc++; | |
2673 | ||
afaf5a2d | 2674 | /* Wakeup the dpc routine for this adapter, if needed. */ |
1b46807e | 2675 | if (start_dpc || |
afaf5a2d DS |
2676 | test_bit(DPC_RESET_HA, &ha->dpc_flags) || |
2677 | test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags) || | |
2678 | test_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags) || | |
f4f5df23 | 2679 | test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) || |
afaf5a2d DS |
2680 | test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || |
2681 | test_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags) || | |
065aa1b4 | 2682 | test_bit(DPC_LINK_CHANGED, &ha->dpc_flags) || |
f4f5df23 VC |
2683 | test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) || |
2684 | test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) || | |
1b46807e | 2685 | test_bit(DPC_AEN, &ha->dpc_flags)) { |
afaf5a2d DS |
2686 | DEBUG2(printk("scsi%ld: %s: scheduling dpc routine" |
2687 | " - dpc flags = 0x%lx\n", | |
2688 | ha->host_no, __func__, ha->dpc_flags)); | |
f4f5df23 | 2689 | qla4xxx_wake_dpc(ha); |
afaf5a2d DS |
2690 | } |
2691 | ||
2692 | /* Reschedule timer thread to call us back in one second */ | |
2693 | mod_timer(&ha->timer, jiffies + HZ); | |
2694 | ||
2695 | DEBUG2(ha->seconds_since_last_intr++); | |
2696 | } | |
2697 | ||
2698 | /** | |
2699 | * qla4xxx_cmd_wait - waits for all outstanding commands to complete | |
2700 | * @ha: Pointer to host adapter structure. | |
2701 | * | |
2702 | * This routine stalls the driver until all outstanding commands are returned. | |
2703 | * Caller must release the Hardware Lock prior to calling this routine. | |
2704 | **/ | |
2705 | static int qla4xxx_cmd_wait(struct scsi_qla_host *ha) | |
2706 | { | |
2707 | uint32_t index = 0; | |
afaf5a2d DS |
2708 | unsigned long flags; |
2709 | struct scsi_cmnd *cmd; | |
afaf5a2d | 2710 | |
f4f5df23 VC |
2711 | unsigned long wtime = jiffies + (WAIT_CMD_TOV * HZ); |
2712 | ||
2713 | DEBUG2(ql4_printk(KERN_INFO, ha, "Wait up to %d seconds for cmds to " | |
2714 | "complete\n", WAIT_CMD_TOV)); | |
2715 | ||
2716 | while (!time_after_eq(jiffies, wtime)) { | |
afaf5a2d DS |
2717 | spin_lock_irqsave(&ha->hardware_lock, flags); |
2718 | /* Find a command that hasn't completed. */ | |
2719 | for (index = 0; index < ha->host->can_queue; index++) { | |
2720 | cmd = scsi_host_find_tag(ha->host, index); | |
a1e0063d MC |
2721 | /* |
2722 | * We cannot just check if the index is valid, | |
2723 | * becase if we are run from the scsi eh, then | |
2724 | * the scsi/block layer is going to prevent | |
2725 | * the tag from being released. | |
2726 | */ | |
2727 | if (cmd != NULL && CMD_SP(cmd)) | |
afaf5a2d DS |
2728 | break; |
2729 | } | |
2730 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
2731 | ||
2732 | /* If No Commands are pending, wait is complete */ | |
f4f5df23 VC |
2733 | if (index == ha->host->can_queue) |
2734 | return QLA_SUCCESS; | |
afaf5a2d | 2735 | |
f4f5df23 VC |
2736 | msleep(1000); |
2737 | } | |
2738 | /* If we timed out on waiting for commands to come back | |
2739 | * return ERROR. */ | |
2740 | return QLA_ERROR; | |
afaf5a2d DS |
2741 | } |
2742 | ||
f4f5df23 | 2743 | int qla4xxx_hw_reset(struct scsi_qla_host *ha) |
afaf5a2d | 2744 | { |
afaf5a2d | 2745 | uint32_t ctrl_status; |
477ffb9d DS |
2746 | unsigned long flags = 0; |
2747 | ||
2748 | DEBUG2(printk(KERN_ERR "scsi%ld: %s\n", ha->host_no, __func__)); | |
afaf5a2d | 2749 | |
f4f5df23 VC |
2750 | if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS) |
2751 | return QLA_ERROR; | |
2752 | ||
afaf5a2d DS |
2753 | spin_lock_irqsave(&ha->hardware_lock, flags); |
2754 | ||
2755 | /* | |
2756 | * If the SCSI Reset Interrupt bit is set, clear it. | |
2757 | * Otherwise, the Soft Reset won't work. | |
2758 | */ | |
2759 | ctrl_status = readw(&ha->reg->ctrl_status); | |
2760 | if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0) | |
2761 | writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status); | |
2762 | ||
2763 | /* Issue Soft Reset */ | |
2764 | writel(set_rmask(CSR_SOFT_RESET), &ha->reg->ctrl_status); | |
2765 | readl(&ha->reg->ctrl_status); | |
2766 | ||
2767 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
f4f5df23 | 2768 | return QLA_SUCCESS; |
477ffb9d DS |
2769 | } |
2770 | ||
2771 | /** | |
2772 | * qla4xxx_soft_reset - performs soft reset. | |
2773 | * @ha: Pointer to host adapter structure. | |
2774 | **/ | |
2775 | int qla4xxx_soft_reset(struct scsi_qla_host *ha) | |
2776 | { | |
2777 | uint32_t max_wait_time; | |
2778 | unsigned long flags = 0; | |
f931c534 | 2779 | int status; |
477ffb9d DS |
2780 | uint32_t ctrl_status; |
2781 | ||
f931c534 VC |
2782 | status = qla4xxx_hw_reset(ha); |
2783 | if (status != QLA_SUCCESS) | |
2784 | return status; | |
afaf5a2d | 2785 | |
f931c534 | 2786 | status = QLA_ERROR; |
afaf5a2d DS |
2787 | /* Wait until the Network Reset Intr bit is cleared */ |
2788 | max_wait_time = RESET_INTR_TOV; | |
2789 | do { | |
2790 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
2791 | ctrl_status = readw(&ha->reg->ctrl_status); | |
2792 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
2793 | ||
2794 | if ((ctrl_status & CSR_NET_RESET_INTR) == 0) | |
2795 | break; | |
2796 | ||
2797 | msleep(1000); | |
2798 | } while ((--max_wait_time)); | |
2799 | ||
2800 | if ((ctrl_status & CSR_NET_RESET_INTR) != 0) { | |
2801 | DEBUG2(printk(KERN_WARNING | |
2802 | "scsi%ld: Network Reset Intr not cleared by " | |
2803 | "Network function, clearing it now!\n", | |
2804 | ha->host_no)); | |
2805 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
2806 | writel(set_rmask(CSR_NET_RESET_INTR), &ha->reg->ctrl_status); | |
2807 | readl(&ha->reg->ctrl_status); | |
2808 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
2809 | } | |
2810 | ||
2811 | /* Wait until the firmware tells us the Soft Reset is done */ | |
2812 | max_wait_time = SOFT_RESET_TOV; | |
2813 | do { | |
2814 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
2815 | ctrl_status = readw(&ha->reg->ctrl_status); | |
2816 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
2817 | ||
2818 | if ((ctrl_status & CSR_SOFT_RESET) == 0) { | |
2819 | status = QLA_SUCCESS; | |
2820 | break; | |
2821 | } | |
2822 | ||
2823 | msleep(1000); | |
2824 | } while ((--max_wait_time)); | |
2825 | ||
2826 | /* | |
2827 | * Also, make sure that the SCSI Reset Interrupt bit has been cleared | |
2828 | * after the soft reset has taken place. | |
2829 | */ | |
2830 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
2831 | ctrl_status = readw(&ha->reg->ctrl_status); | |
2832 | if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0) { | |
2833 | writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status); | |
2834 | readl(&ha->reg->ctrl_status); | |
2835 | } | |
2836 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
2837 | ||
2838 | /* If soft reset fails then most probably the bios on other | |
2839 | * function is also enabled. | |
2840 | * Since the initialization is sequential the other fn | |
2841 | * wont be able to acknowledge the soft reset. | |
2842 | * Issue a force soft reset to workaround this scenario. | |
2843 | */ | |
2844 | if (max_wait_time == 0) { | |
2845 | /* Issue Force Soft Reset */ | |
2846 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
2847 | writel(set_rmask(CSR_FORCE_SOFT_RESET), &ha->reg->ctrl_status); | |
2848 | readl(&ha->reg->ctrl_status); | |
2849 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
2850 | /* Wait until the firmware tells us the Soft Reset is done */ | |
2851 | max_wait_time = SOFT_RESET_TOV; | |
2852 | do { | |
2853 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
2854 | ctrl_status = readw(&ha->reg->ctrl_status); | |
2855 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
2856 | ||
2857 | if ((ctrl_status & CSR_FORCE_SOFT_RESET) == 0) { | |
2858 | status = QLA_SUCCESS; | |
2859 | break; | |
2860 | } | |
2861 | ||
2862 | msleep(1000); | |
2863 | } while ((--max_wait_time)); | |
2864 | } | |
2865 | ||
2866 | return status; | |
2867 | } | |
2868 | ||
afaf5a2d | 2869 | /** |
f4f5df23 | 2870 | * qla4xxx_abort_active_cmds - returns all outstanding i/o requests to O.S. |
afaf5a2d | 2871 | * @ha: Pointer to host adapter structure. |
f4f5df23 | 2872 | * @res: returned scsi status |
afaf5a2d DS |
2873 | * |
2874 | * This routine is called just prior to a HARD RESET to return all | |
2875 | * outstanding commands back to the Operating System. | |
2876 | * Caller should make sure that the following locks are released | |
2877 | * before this calling routine: Hardware lock, and io_request_lock. | |
2878 | **/ | |
f4f5df23 | 2879 | static void qla4xxx_abort_active_cmds(struct scsi_qla_host *ha, int res) |
afaf5a2d DS |
2880 | { |
2881 | struct srb *srb; | |
2882 | int i; | |
2883 | unsigned long flags; | |
2884 | ||
2885 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
2886 | for (i = 0; i < ha->host->can_queue; i++) { | |
2887 | srb = qla4xxx_del_from_active_array(ha, i); | |
2888 | if (srb != NULL) { | |
f4f5df23 | 2889 | srb->cmd->result = res; |
09a0f719 | 2890 | kref_put(&srb->srb_ref, qla4xxx_srb_compl); |
afaf5a2d DS |
2891 | } |
2892 | } | |
2893 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
afaf5a2d DS |
2894 | } |
2895 | ||
f4f5df23 VC |
2896 | void qla4xxx_dead_adapter_cleanup(struct scsi_qla_host *ha) |
2897 | { | |
2898 | clear_bit(AF_ONLINE, &ha->flags); | |
2899 | ||
2900 | /* Disable the board */ | |
2901 | ql4_printk(KERN_INFO, ha, "Disabling the board\n"); | |
f4f5df23 VC |
2902 | |
2903 | qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); | |
2904 | qla4xxx_mark_all_devices_missing(ha); | |
2905 | clear_bit(AF_INIT_DONE, &ha->flags); | |
2906 | } | |
2907 | ||
b3a271a9 MR |
2908 | static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session) |
2909 | { | |
2910 | struct iscsi_session *sess; | |
2911 | struct ddb_entry *ddb_entry; | |
2912 | ||
2913 | sess = cls_session->dd_data; | |
2914 | ddb_entry = sess->dd_data; | |
2915 | ddb_entry->fw_ddb_device_state = DDB_DS_SESSION_FAILED; | |
13483730 MC |
2916 | |
2917 | if (ddb_entry->ddb_type == FLASH_DDB) | |
2918 | iscsi_block_session(ddb_entry->sess); | |
2919 | else | |
2920 | iscsi_session_failure(cls_session->dd_data, | |
2921 | ISCSI_ERR_CONN_FAILED); | |
b3a271a9 MR |
2922 | } |
2923 | ||
afaf5a2d DS |
2924 | /** |
2925 | * qla4xxx_recover_adapter - recovers adapter after a fatal error | |
2926 | * @ha: Pointer to host adapter structure. | |
afaf5a2d | 2927 | **/ |
f4f5df23 | 2928 | static int qla4xxx_recover_adapter(struct scsi_qla_host *ha) |
afaf5a2d | 2929 | { |
f4f5df23 VC |
2930 | int status = QLA_ERROR; |
2931 | uint8_t reset_chip = 0; | |
8e0f3a66 | 2932 | uint32_t dev_state; |
9ee91a38 | 2933 | unsigned long wait; |
afaf5a2d DS |
2934 | |
2935 | /* Stall incoming I/O until we are done */ | |
f4f5df23 | 2936 | scsi_block_requests(ha->host); |
afaf5a2d | 2937 | clear_bit(AF_ONLINE, &ha->flags); |
b3a271a9 | 2938 | clear_bit(AF_LINK_UP, &ha->flags); |
50a29aec | 2939 | |
f4f5df23 | 2940 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: adapter OFFLINE\n", __func__)); |
afaf5a2d | 2941 | |
f4f5df23 | 2942 | set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); |
afaf5a2d | 2943 | |
b3a271a9 MR |
2944 | iscsi_host_for_each_session(ha->host, qla4xxx_fail_session); |
2945 | ||
f4f5df23 VC |
2946 | if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) |
2947 | reset_chip = 1; | |
afaf5a2d | 2948 | |
f4f5df23 VC |
2949 | /* For the DPC_RESET_HA_INTR case (ISP-4xxx specific) |
2950 | * do not reset adapter, jump to initialize_adapter */ | |
2951 | if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { | |
2952 | status = QLA_SUCCESS; | |
2953 | goto recover_ha_init_adapter; | |
2954 | } | |
afaf5a2d | 2955 | |
f4f5df23 VC |
2956 | /* For the ISP-82xx adapter, issue a stop_firmware if invoked |
2957 | * from eh_host_reset or ioctl module */ | |
2958 | if (is_qla8022(ha) && !reset_chip && | |
2959 | test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) { | |
2960 | ||
2961 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
2962 | "scsi%ld: %s - Performing stop_firmware...\n", | |
2963 | ha->host_no, __func__)); | |
2964 | status = ha->isp_ops->reset_firmware(ha); | |
2965 | if (status == QLA_SUCCESS) { | |
2bd1e2be NJ |
2966 | if (!test_bit(AF_FW_RECOVERY, &ha->flags)) |
2967 | qla4xxx_cmd_wait(ha); | |
f4f5df23 VC |
2968 | ha->isp_ops->disable_intrs(ha); |
2969 | qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); | |
2970 | qla4xxx_abort_active_cmds(ha, DID_RESET << 16); | |
2971 | } else { | |
2972 | /* If the stop_firmware fails then | |
2973 | * reset the entire chip */ | |
2974 | reset_chip = 1; | |
2975 | clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); | |
2976 | set_bit(DPC_RESET_HA, &ha->dpc_flags); | |
2977 | } | |
2978 | } | |
dca05c4c | 2979 | |
f4f5df23 VC |
2980 | /* Issue full chip reset if recovering from a catastrophic error, |
2981 | * or if stop_firmware fails for ISP-82xx. | |
2982 | * This is the default case for ISP-4xxx */ | |
2983 | if (!is_qla8022(ha) || reset_chip) { | |
9ee91a38 SS |
2984 | if (!is_qla8022(ha)) |
2985 | goto chip_reset; | |
2986 | ||
2987 | /* Check if 82XX firmware is alive or not | |
2988 | * We may have arrived here from NEED_RESET | |
2989 | * detection only */ | |
2990 | if (test_bit(AF_FW_RECOVERY, &ha->flags)) | |
2991 | goto chip_reset; | |
2992 | ||
2993 | wait = jiffies + (FW_ALIVE_WAIT_TOV * HZ); | |
2994 | while (time_before(jiffies, wait)) { | |
2995 | if (qla4_8xxx_check_fw_alive(ha)) { | |
2996 | qla4xxx_mailbox_premature_completion(ha); | |
2997 | break; | |
2998 | } | |
2999 | ||
3000 | set_current_state(TASK_UNINTERRUPTIBLE); | |
3001 | schedule_timeout(HZ); | |
3002 | } | |
3003 | ||
2bd1e2be NJ |
3004 | if (!test_bit(AF_FW_RECOVERY, &ha->flags)) |
3005 | qla4xxx_cmd_wait(ha); | |
9ee91a38 | 3006 | chip_reset: |
f4f5df23 VC |
3007 | qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); |
3008 | qla4xxx_abort_active_cmds(ha, DID_RESET << 16); | |
3009 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
3010 | "scsi%ld: %s - Performing chip reset..\n", | |
3011 | ha->host_no, __func__)); | |
3012 | status = ha->isp_ops->reset_chip(ha); | |
3013 | } | |
afaf5a2d DS |
3014 | |
3015 | /* Flush any pending ddb changed AENs */ | |
3016 | qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); | |
3017 | ||
f4f5df23 VC |
3018 | recover_ha_init_adapter: |
3019 | /* Upon successful firmware/chip reset, re-initialize the adapter */ | |
afaf5a2d | 3020 | if (status == QLA_SUCCESS) { |
f4f5df23 VC |
3021 | /* For ISP-4xxx, force function 1 to always initialize |
3022 | * before function 3 to prevent both funcions from | |
3023 | * stepping on top of the other */ | |
3024 | if (!is_qla8022(ha) && (ha->mac_index == 3)) | |
3025 | ssleep(6); | |
3026 | ||
3027 | /* NOTE: AF_ONLINE flag set upon successful completion of | |
3028 | * qla4xxx_initialize_adapter */ | |
13483730 | 3029 | status = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); |
afaf5a2d DS |
3030 | } |
3031 | ||
f4f5df23 VC |
3032 | /* Retry failed adapter initialization, if necessary |
3033 | * Do not retry initialize_adapter for RESET_HA_INTR (ISP-4xxx specific) | |
3034 | * case to prevent ping-pong resets between functions */ | |
3035 | if (!test_bit(AF_ONLINE, &ha->flags) && | |
3036 | !test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { | |
afaf5a2d | 3037 | /* Adapter initialization failed, see if we can retry |
f4f5df23 VC |
3038 | * resetting the ha. |
3039 | * Since we don't want to block the DPC for too long | |
3040 | * with multiple resets in the same thread, | |
3041 | * utilize DPC to retry */ | |
8e0f3a66 SR |
3042 | if (is_qla8022(ha)) { |
3043 | qla4_8xxx_idc_lock(ha); | |
3044 | dev_state = qla4_8xxx_rd_32(ha, QLA82XX_CRB_DEV_STATE); | |
3045 | qla4_8xxx_idc_unlock(ha); | |
3046 | if (dev_state == QLA82XX_DEV_FAILED) { | |
3047 | ql4_printk(KERN_INFO, ha, "%s: don't retry " | |
3048 | "recover adapter. H/W is in Failed " | |
3049 | "state\n", __func__); | |
3050 | qla4xxx_dead_adapter_cleanup(ha); | |
3051 | clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); | |
3052 | clear_bit(DPC_RESET_HA, &ha->dpc_flags); | |
3053 | clear_bit(DPC_RESET_HA_FW_CONTEXT, | |
3054 | &ha->dpc_flags); | |
3055 | status = QLA_ERROR; | |
3056 | ||
3057 | goto exit_recover; | |
3058 | } | |
3059 | } | |
3060 | ||
afaf5a2d DS |
3061 | if (!test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags)) { |
3062 | ha->retry_reset_ha_cnt = MAX_RESET_HA_RETRIES; | |
3063 | DEBUG2(printk("scsi%ld: recover adapter - retrying " | |
3064 | "(%d) more times\n", ha->host_no, | |
3065 | ha->retry_reset_ha_cnt)); | |
3066 | set_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); | |
3067 | status = QLA_ERROR; | |
3068 | } else { | |
3069 | if (ha->retry_reset_ha_cnt > 0) { | |
3070 | /* Schedule another Reset HA--DPC will retry */ | |
3071 | ha->retry_reset_ha_cnt--; | |
3072 | DEBUG2(printk("scsi%ld: recover adapter - " | |
3073 | "retry remaining %d\n", | |
3074 | ha->host_no, | |
3075 | ha->retry_reset_ha_cnt)); | |
3076 | status = QLA_ERROR; | |
3077 | } | |
3078 | ||
3079 | if (ha->retry_reset_ha_cnt == 0) { | |
3080 | /* Recover adapter retries have been exhausted. | |
3081 | * Adapter DEAD */ | |
3082 | DEBUG2(printk("scsi%ld: recover adapter " | |
3083 | "failed - board disabled\n", | |
3084 | ha->host_no)); | |
f4f5df23 | 3085 | qla4xxx_dead_adapter_cleanup(ha); |
afaf5a2d DS |
3086 | clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); |
3087 | clear_bit(DPC_RESET_HA, &ha->dpc_flags); | |
f4f5df23 | 3088 | clear_bit(DPC_RESET_HA_FW_CONTEXT, |
afaf5a2d DS |
3089 | &ha->dpc_flags); |
3090 | status = QLA_ERROR; | |
3091 | } | |
3092 | } | |
3093 | } else { | |
3094 | clear_bit(DPC_RESET_HA, &ha->dpc_flags); | |
f4f5df23 | 3095 | clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); |
afaf5a2d DS |
3096 | clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); |
3097 | } | |
3098 | ||
8e0f3a66 | 3099 | exit_recover: |
afaf5a2d DS |
3100 | ha->adapter_error_count++; |
3101 | ||
f4f5df23 VC |
3102 | if (test_bit(AF_ONLINE, &ha->flags)) |
3103 | ha->isp_ops->enable_intrs(ha); | |
3104 | ||
3105 | scsi_unblock_requests(ha->host); | |
3106 | ||
3107 | clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); | |
3108 | DEBUG2(printk("scsi%ld: recover adapter: %s\n", ha->host_no, | |
25985edc | 3109 | status == QLA_ERROR ? "FAILED" : "SUCCEEDED")); |
afaf5a2d | 3110 | |
afaf5a2d DS |
3111 | return status; |
3112 | } | |
3113 | ||
b3a271a9 | 3114 | static void qla4xxx_relogin_devices(struct iscsi_cls_session *cls_session) |
2d7924e6 | 3115 | { |
b3a271a9 MR |
3116 | struct iscsi_session *sess; |
3117 | struct ddb_entry *ddb_entry; | |
3118 | struct scsi_qla_host *ha; | |
2d7924e6 | 3119 | |
b3a271a9 MR |
3120 | sess = cls_session->dd_data; |
3121 | ddb_entry = sess->dd_data; | |
3122 | ha = ddb_entry->ha; | |
3123 | if (!iscsi_is_session_online(cls_session)) { | |
3124 | if (ddb_entry->fw_ddb_device_state == DDB_DS_SESSION_ACTIVE) { | |
3125 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" | |
3126 | " unblock session\n", ha->host_no, __func__, | |
3127 | ddb_entry->fw_ddb_index); | |
3128 | iscsi_unblock_session(ddb_entry->sess); | |
3129 | } else { | |
3130 | /* Trigger relogin */ | |
13483730 MC |
3131 | if (ddb_entry->ddb_type == FLASH_DDB) { |
3132 | if (!test_bit(DF_RELOGIN, &ddb_entry->flags)) | |
3133 | qla4xxx_arm_relogin_timer(ddb_entry); | |
3134 | } else | |
3135 | iscsi_session_failure(cls_session->dd_data, | |
3136 | ISCSI_ERR_CONN_FAILED); | |
2d7924e6 VC |
3137 | } |
3138 | } | |
3139 | } | |
3140 | ||
13483730 MC |
3141 | int qla4xxx_unblock_flash_ddb(struct iscsi_cls_session *cls_session) |
3142 | { | |
3143 | struct iscsi_session *sess; | |
3144 | struct ddb_entry *ddb_entry; | |
3145 | struct scsi_qla_host *ha; | |
3146 | ||
3147 | sess = cls_session->dd_data; | |
3148 | ddb_entry = sess->dd_data; | |
3149 | ha = ddb_entry->ha; | |
3150 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" | |
3151 | " unblock session\n", ha->host_no, __func__, | |
3152 | ddb_entry->fw_ddb_index); | |
3153 | ||
3154 | iscsi_unblock_session(ddb_entry->sess); | |
3155 | ||
3156 | /* Start scan target */ | |
3157 | if (test_bit(AF_ONLINE, &ha->flags)) { | |
3158 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" | |
3159 | " start scan\n", ha->host_no, __func__, | |
3160 | ddb_entry->fw_ddb_index); | |
3161 | scsi_queue_work(ha->host, &ddb_entry->sess->scan_work); | |
3162 | } | |
3163 | return QLA_SUCCESS; | |
3164 | } | |
3165 | ||
3166 | int qla4xxx_unblock_ddb(struct iscsi_cls_session *cls_session) | |
3167 | { | |
3168 | struct iscsi_session *sess; | |
3169 | struct ddb_entry *ddb_entry; | |
3170 | struct scsi_qla_host *ha; | |
80c53e64 | 3171 | int status = QLA_SUCCESS; |
13483730 MC |
3172 | |
3173 | sess = cls_session->dd_data; | |
3174 | ddb_entry = sess->dd_data; | |
3175 | ha = ddb_entry->ha; | |
3176 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" | |
3177 | " unblock user space session\n", ha->host_no, __func__, | |
3178 | ddb_entry->fw_ddb_index); | |
13483730 | 3179 | |
80c53e64 MR |
3180 | if (!iscsi_is_session_online(cls_session)) { |
3181 | iscsi_conn_start(ddb_entry->conn); | |
3182 | iscsi_conn_login_event(ddb_entry->conn, | |
3183 | ISCSI_CONN_STATE_LOGGED_IN); | |
3184 | } else { | |
3185 | ql4_printk(KERN_INFO, ha, | |
3186 | "scsi%ld: %s: ddb[%d] session [%d] already logged in\n", | |
3187 | ha->host_no, __func__, ddb_entry->fw_ddb_index, | |
3188 | cls_session->sid); | |
3189 | status = QLA_ERROR; | |
3190 | } | |
3191 | ||
3192 | return status; | |
13483730 MC |
3193 | } |
3194 | ||
b3a271a9 MR |
3195 | static void qla4xxx_relogin_all_devices(struct scsi_qla_host *ha) |
3196 | { | |
3197 | iscsi_host_for_each_session(ha->host, qla4xxx_relogin_devices); | |
3198 | } | |
3199 | ||
13483730 MC |
3200 | static void qla4xxx_relogin_flash_ddb(struct iscsi_cls_session *cls_sess) |
3201 | { | |
3202 | uint16_t relogin_timer; | |
3203 | struct iscsi_session *sess; | |
3204 | struct ddb_entry *ddb_entry; | |
3205 | struct scsi_qla_host *ha; | |
3206 | ||
3207 | sess = cls_sess->dd_data; | |
3208 | ddb_entry = sess->dd_data; | |
3209 | ha = ddb_entry->ha; | |
3210 | ||
3211 | relogin_timer = max(ddb_entry->default_relogin_timeout, | |
3212 | (uint16_t)RELOGIN_TOV); | |
3213 | atomic_set(&ddb_entry->relogin_timer, relogin_timer); | |
3214 | ||
3215 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
3216 | "scsi%ld: Relogin index [%d]. TOV=%d\n", ha->host_no, | |
3217 | ddb_entry->fw_ddb_index, relogin_timer)); | |
3218 | ||
3219 | qla4xxx_login_flash_ddb(cls_sess); | |
3220 | } | |
3221 | ||
3222 | static void qla4xxx_dpc_relogin(struct iscsi_cls_session *cls_sess) | |
3223 | { | |
3224 | struct iscsi_session *sess; | |
3225 | struct ddb_entry *ddb_entry; | |
3226 | struct scsi_qla_host *ha; | |
3227 | ||
3228 | sess = cls_sess->dd_data; | |
3229 | ddb_entry = sess->dd_data; | |
3230 | ha = ddb_entry->ha; | |
3231 | ||
3232 | if (!(ddb_entry->ddb_type == FLASH_DDB)) | |
3233 | return; | |
3234 | ||
3235 | if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags) && | |
3236 | !iscsi_is_session_online(cls_sess)) { | |
3237 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
3238 | "relogin issued\n")); | |
3239 | qla4xxx_relogin_flash_ddb(cls_sess); | |
3240 | } | |
3241 | } | |
3242 | ||
f4f5df23 VC |
3243 | void qla4xxx_wake_dpc(struct scsi_qla_host *ha) |
3244 | { | |
1b46807e | 3245 | if (ha->dpc_thread) |
f4f5df23 | 3246 | queue_work(ha->dpc_thread, &ha->dpc_work); |
f4f5df23 VC |
3247 | } |
3248 | ||
ff884430 VC |
3249 | static struct qla4_work_evt * |
3250 | qla4xxx_alloc_work(struct scsi_qla_host *ha, uint32_t data_size, | |
3251 | enum qla4_work_type type) | |
3252 | { | |
3253 | struct qla4_work_evt *e; | |
3254 | uint32_t size = sizeof(struct qla4_work_evt) + data_size; | |
3255 | ||
3256 | e = kzalloc(size, GFP_ATOMIC); | |
3257 | if (!e) | |
3258 | return NULL; | |
3259 | ||
3260 | INIT_LIST_HEAD(&e->list); | |
3261 | e->type = type; | |
3262 | return e; | |
3263 | } | |
3264 | ||
3265 | static void qla4xxx_post_work(struct scsi_qla_host *ha, | |
3266 | struct qla4_work_evt *e) | |
3267 | { | |
3268 | unsigned long flags; | |
3269 | ||
3270 | spin_lock_irqsave(&ha->work_lock, flags); | |
3271 | list_add_tail(&e->list, &ha->work_list); | |
3272 | spin_unlock_irqrestore(&ha->work_lock, flags); | |
3273 | qla4xxx_wake_dpc(ha); | |
3274 | } | |
3275 | ||
3276 | int qla4xxx_post_aen_work(struct scsi_qla_host *ha, | |
3277 | enum iscsi_host_event_code aen_code, | |
3278 | uint32_t data_size, uint8_t *data) | |
3279 | { | |
3280 | struct qla4_work_evt *e; | |
3281 | ||
3282 | e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_AEN); | |
3283 | if (!e) | |
3284 | return QLA_ERROR; | |
3285 | ||
3286 | e->u.aen.code = aen_code; | |
3287 | e->u.aen.data_size = data_size; | |
3288 | memcpy(e->u.aen.data, data, data_size); | |
3289 | ||
3290 | qla4xxx_post_work(ha, e); | |
3291 | ||
3292 | return QLA_SUCCESS; | |
3293 | } | |
3294 | ||
c0b9d3f7 VC |
3295 | int qla4xxx_post_ping_evt_work(struct scsi_qla_host *ha, |
3296 | uint32_t status, uint32_t pid, | |
3297 | uint32_t data_size, uint8_t *data) | |
3298 | { | |
3299 | struct qla4_work_evt *e; | |
3300 | ||
3301 | e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_PING_STATUS); | |
3302 | if (!e) | |
3303 | return QLA_ERROR; | |
3304 | ||
3305 | e->u.ping.status = status; | |
3306 | e->u.ping.pid = pid; | |
3307 | e->u.ping.data_size = data_size; | |
3308 | memcpy(e->u.ping.data, data, data_size); | |
3309 | ||
3310 | qla4xxx_post_work(ha, e); | |
3311 | ||
3312 | return QLA_SUCCESS; | |
3313 | } | |
3314 | ||
a7380a65 | 3315 | static void qla4xxx_do_work(struct scsi_qla_host *ha) |
ff884430 VC |
3316 | { |
3317 | struct qla4_work_evt *e, *tmp; | |
3318 | unsigned long flags; | |
3319 | LIST_HEAD(work); | |
3320 | ||
3321 | spin_lock_irqsave(&ha->work_lock, flags); | |
3322 | list_splice_init(&ha->work_list, &work); | |
3323 | spin_unlock_irqrestore(&ha->work_lock, flags); | |
3324 | ||
3325 | list_for_each_entry_safe(e, tmp, &work, list) { | |
3326 | list_del_init(&e->list); | |
3327 | ||
3328 | switch (e->type) { | |
3329 | case QLA4_EVENT_AEN: | |
3330 | iscsi_post_host_event(ha->host_no, | |
3331 | &qla4xxx_iscsi_transport, | |
3332 | e->u.aen.code, | |
3333 | e->u.aen.data_size, | |
3334 | e->u.aen.data); | |
3335 | break; | |
c0b9d3f7 VC |
3336 | case QLA4_EVENT_PING_STATUS: |
3337 | iscsi_ping_comp_event(ha->host_no, | |
3338 | &qla4xxx_iscsi_transport, | |
3339 | e->u.ping.status, | |
3340 | e->u.ping.pid, | |
3341 | e->u.ping.data_size, | |
3342 | e->u.ping.data); | |
3343 | break; | |
ff884430 VC |
3344 | default: |
3345 | ql4_printk(KERN_WARNING, ha, "event type: 0x%x not " | |
3346 | "supported", e->type); | |
3347 | } | |
3348 | kfree(e); | |
3349 | } | |
3350 | } | |
3351 | ||
afaf5a2d DS |
3352 | /** |
3353 | * qla4xxx_do_dpc - dpc routine | |
3354 | * @data: in our case pointer to adapter structure | |
3355 | * | |
3356 | * This routine is a task that is schedule by the interrupt handler | |
3357 | * to perform the background processing for interrupts. We put it | |
3358 | * on a task queue that is consumed whenever the scheduler runs; that's | |
3359 | * so you can do anything (i.e. put the process to sleep etc). In fact, | |
3360 | * the mid-level tries to sleep when it reaches the driver threshold | |
3361 | * "host->can_queue". This can cause a panic if we were in our interrupt code. | |
3362 | **/ | |
c4028958 | 3363 | static void qla4xxx_do_dpc(struct work_struct *work) |
afaf5a2d | 3364 | { |
c4028958 DH |
3365 | struct scsi_qla_host *ha = |
3366 | container_of(work, struct scsi_qla_host, dpc_work); | |
477ffb9d | 3367 | int status = QLA_ERROR; |
afaf5a2d | 3368 | |
f26b9044 | 3369 | DEBUG2(printk("scsi%ld: %s: DPC handler waking up." |
f4f5df23 VC |
3370 | "flags = 0x%08lx, dpc_flags = 0x%08lx\n", |
3371 | ha->host_no, __func__, ha->flags, ha->dpc_flags)) | |
afaf5a2d DS |
3372 | |
3373 | /* Initialization not yet finished. Don't do anything yet. */ | |
3374 | if (!test_bit(AF_INIT_DONE, &ha->flags)) | |
1b46807e | 3375 | return; |
afaf5a2d | 3376 | |
2232be0d LC |
3377 | if (test_bit(AF_EEH_BUSY, &ha->flags)) { |
3378 | DEBUG2(printk(KERN_INFO "scsi%ld: %s: flags = %lx\n", | |
3379 | ha->host_no, __func__, ha->flags)); | |
1b46807e | 3380 | return; |
2232be0d LC |
3381 | } |
3382 | ||
ff884430 VC |
3383 | /* post events to application */ |
3384 | qla4xxx_do_work(ha); | |
3385 | ||
f4f5df23 VC |
3386 | if (is_qla8022(ha)) { |
3387 | if (test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags)) { | |
3388 | qla4_8xxx_idc_lock(ha); | |
3389 | qla4_8xxx_wr_32(ha, QLA82XX_CRB_DEV_STATE, | |
3390 | QLA82XX_DEV_FAILED); | |
3391 | qla4_8xxx_idc_unlock(ha); | |
3392 | ql4_printk(KERN_INFO, ha, "HW State: FAILED\n"); | |
3393 | qla4_8xxx_device_state_handler(ha); | |
3394 | } | |
3395 | if (test_and_clear_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) { | |
3396 | qla4_8xxx_need_qsnt_handler(ha); | |
3397 | } | |
3398 | } | |
3399 | ||
3400 | if (!test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) && | |
3401 | (test_bit(DPC_RESET_HA, &ha->dpc_flags) || | |
afaf5a2d | 3402 | test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || |
f4f5df23 VC |
3403 | test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags))) { |
3404 | if (ql4xdontresethba) { | |
3405 | DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n", | |
3406 | ha->host_no, __func__)); | |
3407 | clear_bit(DPC_RESET_HA, &ha->dpc_flags); | |
3408 | clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags); | |
3409 | clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); | |
3410 | goto dpc_post_reset_ha; | |
3411 | } | |
3412 | if (test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) || | |
3413 | test_bit(DPC_RESET_HA, &ha->dpc_flags)) | |
3414 | qla4xxx_recover_adapter(ha); | |
afaf5a2d | 3415 | |
477ffb9d | 3416 | if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { |
afaf5a2d | 3417 | uint8_t wait_time = RESET_INTR_TOV; |
afaf5a2d | 3418 | |
afaf5a2d DS |
3419 | while ((readw(&ha->reg->ctrl_status) & |
3420 | (CSR_SOFT_RESET | CSR_FORCE_SOFT_RESET)) != 0) { | |
3421 | if (--wait_time == 0) | |
3422 | break; | |
afaf5a2d | 3423 | msleep(1000); |
afaf5a2d | 3424 | } |
afaf5a2d DS |
3425 | if (wait_time == 0) |
3426 | DEBUG2(printk("scsi%ld: %s: SR|FSR " | |
3427 | "bit not cleared-- resetting\n", | |
3428 | ha->host_no, __func__)); | |
f4f5df23 | 3429 | qla4xxx_abort_active_cmds(ha, DID_RESET << 16); |
477ffb9d DS |
3430 | if (ql4xxx_lock_drvr_wait(ha) == QLA_SUCCESS) { |
3431 | qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); | |
f4f5df23 | 3432 | status = qla4xxx_recover_adapter(ha); |
477ffb9d DS |
3433 | } |
3434 | clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags); | |
3435 | if (status == QLA_SUCCESS) | |
f4f5df23 | 3436 | ha->isp_ops->enable_intrs(ha); |
afaf5a2d DS |
3437 | } |
3438 | } | |
3439 | ||
f4f5df23 | 3440 | dpc_post_reset_ha: |
afaf5a2d DS |
3441 | /* ---- process AEN? --- */ |
3442 | if (test_and_clear_bit(DPC_AEN, &ha->dpc_flags)) | |
3443 | qla4xxx_process_aen(ha, PROCESS_ALL_AENS); | |
3444 | ||
3445 | /* ---- Get DHCP IP Address? --- */ | |
3446 | if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags)) | |
3447 | qla4xxx_get_dhcp_ip_address(ha); | |
3448 | ||
13483730 MC |
3449 | /* ---- relogin device? --- */ |
3450 | if (adapter_up(ha) && | |
3451 | test_and_clear_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags)) { | |
3452 | iscsi_host_for_each_session(ha->host, qla4xxx_dpc_relogin); | |
3453 | } | |
3454 | ||
065aa1b4 VC |
3455 | /* ---- link change? --- */ |
3456 | if (test_and_clear_bit(DPC_LINK_CHANGED, &ha->dpc_flags)) { | |
3457 | if (!test_bit(AF_LINK_UP, &ha->flags)) { | |
3458 | /* ---- link down? --- */ | |
2d7924e6 | 3459 | qla4xxx_mark_all_devices_missing(ha); |
065aa1b4 VC |
3460 | } else { |
3461 | /* ---- link up? --- * | |
3462 | * F/W will auto login to all devices ONLY ONCE after | |
3463 | * link up during driver initialization and runtime | |
3464 | * fatal error recovery. Therefore, the driver must | |
3465 | * manually relogin to devices when recovering from | |
3466 | * connection failures, logouts, expired KATO, etc. */ | |
13483730 MC |
3467 | if (test_and_clear_bit(AF_BUILD_DDB_LIST, &ha->flags)) { |
3468 | qla4xxx_build_ddb_list(ha, ha->is_reset); | |
3469 | iscsi_host_for_each_session(ha->host, | |
3470 | qla4xxx_login_flash_ddb); | |
3471 | } else | |
3472 | qla4xxx_relogin_all_devices(ha); | |
065aa1b4 VC |
3473 | } |
3474 | } | |
afaf5a2d DS |
3475 | } |
3476 | ||
3477 | /** | |
3478 | * qla4xxx_free_adapter - release the adapter | |
3479 | * @ha: pointer to adapter structure | |
3480 | **/ | |
3481 | static void qla4xxx_free_adapter(struct scsi_qla_host *ha) | |
3482 | { | |
8a288960 | 3483 | qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); |
afaf5a2d DS |
3484 | |
3485 | if (test_bit(AF_INTERRUPTS_ON, &ha->flags)) { | |
3486 | /* Turn-off interrupts on the card. */ | |
f4f5df23 | 3487 | ha->isp_ops->disable_intrs(ha); |
afaf5a2d DS |
3488 | } |
3489 | ||
d9e62e51 VC |
3490 | if (is_qla40XX(ha)) { |
3491 | writel(set_rmask(CSR_SCSI_PROCESSOR_INTR), | |
3492 | &ha->reg->ctrl_status); | |
3493 | readl(&ha->reg->ctrl_status); | |
3494 | } else if (is_qla8022(ha)) { | |
3495 | writel(0, &ha->qla4_8xxx_reg->host_int); | |
3496 | readl(&ha->qla4_8xxx_reg->host_int); | |
3497 | } | |
3498 | ||
f4f5df23 VC |
3499 | /* Remove timer thread, if present */ |
3500 | if (ha->timer_active) | |
3501 | qla4xxx_stop_timer(ha); | |
3502 | ||
afaf5a2d DS |
3503 | /* Kill the kernel thread for this host */ |
3504 | if (ha->dpc_thread) | |
3505 | destroy_workqueue(ha->dpc_thread); | |
3506 | ||
b3a271a9 MR |
3507 | /* Kill the kernel thread for this host */ |
3508 | if (ha->task_wq) | |
3509 | destroy_workqueue(ha->task_wq); | |
3510 | ||
f4f5df23 VC |
3511 | /* Put firmware in known state */ |
3512 | ha->isp_ops->reset_firmware(ha); | |
afaf5a2d | 3513 | |
f4f5df23 VC |
3514 | if (is_qla8022(ha)) { |
3515 | qla4_8xxx_idc_lock(ha); | |
3516 | qla4_8xxx_clear_drv_active(ha); | |
3517 | qla4_8xxx_idc_unlock(ha); | |
3518 | } | |
afaf5a2d | 3519 | |
afaf5a2d DS |
3520 | /* Detach interrupts */ |
3521 | if (test_and_clear_bit(AF_IRQ_ATTACHED, &ha->flags)) | |
f4f5df23 | 3522 | qla4xxx_free_irqs(ha); |
afaf5a2d | 3523 | |
bee4fe8e DS |
3524 | /* free extra memory */ |
3525 | qla4xxx_mem_free(ha); | |
f4f5df23 VC |
3526 | } |
3527 | ||
3528 | int qla4_8xxx_iospace_config(struct scsi_qla_host *ha) | |
3529 | { | |
3530 | int status = 0; | |
f4f5df23 VC |
3531 | unsigned long mem_base, mem_len, db_base, db_len; |
3532 | struct pci_dev *pdev = ha->pdev; | |
3533 | ||
3534 | status = pci_request_regions(pdev, DRIVER_NAME); | |
3535 | if (status) { | |
3536 | printk(KERN_WARNING | |
3537 | "scsi(%ld) Failed to reserve PIO regions (%s) " | |
3538 | "status=%d\n", ha->host_no, pci_name(pdev), status); | |
3539 | goto iospace_error_exit; | |
3540 | } | |
3541 | ||
f4f5df23 | 3542 | DEBUG2(printk(KERN_INFO "%s: revision-id=%d\n", |
7d7311c4 SS |
3543 | __func__, pdev->revision)); |
3544 | ha->revision_id = pdev->revision; | |
bee4fe8e | 3545 | |
f4f5df23 VC |
3546 | /* remap phys address */ |
3547 | mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */ | |
3548 | mem_len = pci_resource_len(pdev, 0); | |
3549 | DEBUG2(printk(KERN_INFO "%s: ioremap from %lx a size of %lx\n", | |
3550 | __func__, mem_base, mem_len)); | |
afaf5a2d | 3551 | |
f4f5df23 VC |
3552 | /* mapping of pcibase pointer */ |
3553 | ha->nx_pcibase = (unsigned long)ioremap(mem_base, mem_len); | |
3554 | if (!ha->nx_pcibase) { | |
3555 | printk(KERN_ERR | |
3556 | "cannot remap MMIO (%s), aborting\n", pci_name(pdev)); | |
3557 | pci_release_regions(ha->pdev); | |
3558 | goto iospace_error_exit; | |
3559 | } | |
3560 | ||
3561 | /* Mapping of IO base pointer, door bell read and write pointer */ | |
3562 | ||
3563 | /* mapping of IO base pointer */ | |
3564 | ha->qla4_8xxx_reg = | |
3565 | (struct device_reg_82xx __iomem *)((uint8_t *)ha->nx_pcibase + | |
3566 | 0xbc000 + (ha->pdev->devfn << 11)); | |
3567 | ||
3568 | db_base = pci_resource_start(pdev, 4); /* doorbell is on bar 4 */ | |
3569 | db_len = pci_resource_len(pdev, 4); | |
3570 | ||
2657c800 SS |
3571 | ha->nx_db_wr_ptr = (ha->pdev->devfn == 4 ? QLA82XX_CAM_RAM_DB1 : |
3572 | QLA82XX_CAM_RAM_DB2); | |
f4f5df23 | 3573 | |
2657c800 | 3574 | return 0; |
f4f5df23 VC |
3575 | iospace_error_exit: |
3576 | return -ENOMEM; | |
afaf5a2d DS |
3577 | } |
3578 | ||
3579 | /*** | |
3580 | * qla4xxx_iospace_config - maps registers | |
3581 | * @ha: pointer to adapter structure | |
3582 | * | |
3583 | * This routines maps HBA's registers from the pci address space | |
3584 | * into the kernel virtual address space for memory mapped i/o. | |
3585 | **/ | |
f4f5df23 | 3586 | int qla4xxx_iospace_config(struct scsi_qla_host *ha) |
afaf5a2d DS |
3587 | { |
3588 | unsigned long pio, pio_len, pio_flags; | |
3589 | unsigned long mmio, mmio_len, mmio_flags; | |
3590 | ||
3591 | pio = pci_resource_start(ha->pdev, 0); | |
3592 | pio_len = pci_resource_len(ha->pdev, 0); | |
3593 | pio_flags = pci_resource_flags(ha->pdev, 0); | |
3594 | if (pio_flags & IORESOURCE_IO) { | |
3595 | if (pio_len < MIN_IOBASE_LEN) { | |
c2660df3 | 3596 | ql4_printk(KERN_WARNING, ha, |
afaf5a2d DS |
3597 | "Invalid PCI I/O region size\n"); |
3598 | pio = 0; | |
3599 | } | |
3600 | } else { | |
c2660df3 | 3601 | ql4_printk(KERN_WARNING, ha, "region #0 not a PIO resource\n"); |
afaf5a2d DS |
3602 | pio = 0; |
3603 | } | |
3604 | ||
3605 | /* Use MMIO operations for all accesses. */ | |
3606 | mmio = pci_resource_start(ha->pdev, 1); | |
3607 | mmio_len = pci_resource_len(ha->pdev, 1); | |
3608 | mmio_flags = pci_resource_flags(ha->pdev, 1); | |
3609 | ||
3610 | if (!(mmio_flags & IORESOURCE_MEM)) { | |
c2660df3 VC |
3611 | ql4_printk(KERN_ERR, ha, |
3612 | "region #0 not an MMIO resource, aborting\n"); | |
afaf5a2d DS |
3613 | |
3614 | goto iospace_error_exit; | |
3615 | } | |
c2660df3 | 3616 | |
afaf5a2d | 3617 | if (mmio_len < MIN_IOBASE_LEN) { |
c2660df3 VC |
3618 | ql4_printk(KERN_ERR, ha, |
3619 | "Invalid PCI mem region size, aborting\n"); | |
afaf5a2d DS |
3620 | goto iospace_error_exit; |
3621 | } | |
3622 | ||
3623 | if (pci_request_regions(ha->pdev, DRIVER_NAME)) { | |
c2660df3 VC |
3624 | ql4_printk(KERN_WARNING, ha, |
3625 | "Failed to reserve PIO/MMIO regions\n"); | |
afaf5a2d DS |
3626 | |
3627 | goto iospace_error_exit; | |
3628 | } | |
3629 | ||
3630 | ha->pio_address = pio; | |
3631 | ha->pio_length = pio_len; | |
3632 | ha->reg = ioremap(mmio, MIN_IOBASE_LEN); | |
3633 | if (!ha->reg) { | |
c2660df3 VC |
3634 | ql4_printk(KERN_ERR, ha, |
3635 | "cannot remap MMIO, aborting\n"); | |
afaf5a2d DS |
3636 | |
3637 | goto iospace_error_exit; | |
3638 | } | |
3639 | ||
3640 | return 0; | |
3641 | ||
3642 | iospace_error_exit: | |
3643 | return -ENOMEM; | |
3644 | } | |
3645 | ||
f4f5df23 VC |
3646 | static struct isp_operations qla4xxx_isp_ops = { |
3647 | .iospace_config = qla4xxx_iospace_config, | |
3648 | .pci_config = qla4xxx_pci_config, | |
3649 | .disable_intrs = qla4xxx_disable_intrs, | |
3650 | .enable_intrs = qla4xxx_enable_intrs, | |
3651 | .start_firmware = qla4xxx_start_firmware, | |
3652 | .intr_handler = qla4xxx_intr_handler, | |
3653 | .interrupt_service_routine = qla4xxx_interrupt_service_routine, | |
3654 | .reset_chip = qla4xxx_soft_reset, | |
3655 | .reset_firmware = qla4xxx_hw_reset, | |
3656 | .queue_iocb = qla4xxx_queue_iocb, | |
3657 | .complete_iocb = qla4xxx_complete_iocb, | |
3658 | .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out, | |
3659 | .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in, | |
3660 | .get_sys_info = qla4xxx_get_sys_info, | |
3661 | }; | |
3662 | ||
3663 | static struct isp_operations qla4_8xxx_isp_ops = { | |
3664 | .iospace_config = qla4_8xxx_iospace_config, | |
3665 | .pci_config = qla4_8xxx_pci_config, | |
3666 | .disable_intrs = qla4_8xxx_disable_intrs, | |
3667 | .enable_intrs = qla4_8xxx_enable_intrs, | |
3668 | .start_firmware = qla4_8xxx_load_risc, | |
3669 | .intr_handler = qla4_8xxx_intr_handler, | |
3670 | .interrupt_service_routine = qla4_8xxx_interrupt_service_routine, | |
3671 | .reset_chip = qla4_8xxx_isp_reset, | |
3672 | .reset_firmware = qla4_8xxx_stop_firmware, | |
3673 | .queue_iocb = qla4_8xxx_queue_iocb, | |
3674 | .complete_iocb = qla4_8xxx_complete_iocb, | |
3675 | .rd_shdw_req_q_out = qla4_8xxx_rd_shdw_req_q_out, | |
3676 | .rd_shdw_rsp_q_in = qla4_8xxx_rd_shdw_rsp_q_in, | |
3677 | .get_sys_info = qla4_8xxx_get_sys_info, | |
3678 | }; | |
3679 | ||
3680 | uint16_t qla4xxx_rd_shdw_req_q_out(struct scsi_qla_host *ha) | |
3681 | { | |
3682 | return (uint16_t)le32_to_cpu(ha->shadow_regs->req_q_out); | |
3683 | } | |
3684 | ||
3685 | uint16_t qla4_8xxx_rd_shdw_req_q_out(struct scsi_qla_host *ha) | |
3686 | { | |
3687 | return (uint16_t)le32_to_cpu(readl(&ha->qla4_8xxx_reg->req_q_out)); | |
3688 | } | |
3689 | ||
3690 | uint16_t qla4xxx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha) | |
3691 | { | |
3692 | return (uint16_t)le32_to_cpu(ha->shadow_regs->rsp_q_in); | |
3693 | } | |
3694 | ||
3695 | uint16_t qla4_8xxx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha) | |
3696 | { | |
3697 | return (uint16_t)le32_to_cpu(readl(&ha->qla4_8xxx_reg->rsp_q_in)); | |
3698 | } | |
3699 | ||
2a991c21 MR |
3700 | static ssize_t qla4xxx_show_boot_eth_info(void *data, int type, char *buf) |
3701 | { | |
3702 | struct scsi_qla_host *ha = data; | |
3703 | char *str = buf; | |
3704 | int rc; | |
3705 | ||
3706 | switch (type) { | |
3707 | case ISCSI_BOOT_ETH_FLAGS: | |
3708 | rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT); | |
3709 | break; | |
3710 | case ISCSI_BOOT_ETH_INDEX: | |
3711 | rc = sprintf(str, "0\n"); | |
3712 | break; | |
3713 | case ISCSI_BOOT_ETH_MAC: | |
3714 | rc = sysfs_format_mac(str, ha->my_mac, | |
3715 | MAC_ADDR_LEN); | |
3716 | break; | |
3717 | default: | |
3718 | rc = -ENOSYS; | |
3719 | break; | |
3720 | } | |
3721 | return rc; | |
3722 | } | |
3723 | ||
587a1f16 | 3724 | static umode_t qla4xxx_eth_get_attr_visibility(void *data, int type) |
2a991c21 MR |
3725 | { |
3726 | int rc; | |
3727 | ||
3728 | switch (type) { | |
3729 | case ISCSI_BOOT_ETH_FLAGS: | |
3730 | case ISCSI_BOOT_ETH_MAC: | |
3731 | case ISCSI_BOOT_ETH_INDEX: | |
3732 | rc = S_IRUGO; | |
3733 | break; | |
3734 | default: | |
3735 | rc = 0; | |
3736 | break; | |
3737 | } | |
3738 | return rc; | |
3739 | } | |
3740 | ||
3741 | static ssize_t qla4xxx_show_boot_ini_info(void *data, int type, char *buf) | |
3742 | { | |
3743 | struct scsi_qla_host *ha = data; | |
3744 | char *str = buf; | |
3745 | int rc; | |
3746 | ||
3747 | switch (type) { | |
3748 | case ISCSI_BOOT_INI_INITIATOR_NAME: | |
3749 | rc = sprintf(str, "%s\n", ha->name_string); | |
3750 | break; | |
3751 | default: | |
3752 | rc = -ENOSYS; | |
3753 | break; | |
3754 | } | |
3755 | return rc; | |
3756 | } | |
3757 | ||
587a1f16 | 3758 | static umode_t qla4xxx_ini_get_attr_visibility(void *data, int type) |
2a991c21 MR |
3759 | { |
3760 | int rc; | |
3761 | ||
3762 | switch (type) { | |
3763 | case ISCSI_BOOT_INI_INITIATOR_NAME: | |
3764 | rc = S_IRUGO; | |
3765 | break; | |
3766 | default: | |
3767 | rc = 0; | |
3768 | break; | |
3769 | } | |
3770 | return rc; | |
3771 | } | |
3772 | ||
3773 | static ssize_t | |
3774 | qla4xxx_show_boot_tgt_info(struct ql4_boot_session_info *boot_sess, int type, | |
3775 | char *buf) | |
3776 | { | |
3777 | struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0]; | |
3778 | char *str = buf; | |
3779 | int rc; | |
3780 | ||
3781 | switch (type) { | |
3782 | case ISCSI_BOOT_TGT_NAME: | |
3783 | rc = sprintf(buf, "%s\n", (char *)&boot_sess->target_name); | |
3784 | break; | |
3785 | case ISCSI_BOOT_TGT_IP_ADDR: | |
3786 | if (boot_sess->conn_list[0].dest_ipaddr.ip_type == 0x1) | |
3787 | rc = sprintf(buf, "%pI4\n", | |
3788 | &boot_conn->dest_ipaddr.ip_address); | |
3789 | else | |
3790 | rc = sprintf(str, "%pI6\n", | |
3791 | &boot_conn->dest_ipaddr.ip_address); | |
3792 | break; | |
3793 | case ISCSI_BOOT_TGT_PORT: | |
3794 | rc = sprintf(str, "%d\n", boot_conn->dest_port); | |
3795 | break; | |
3796 | case ISCSI_BOOT_TGT_CHAP_NAME: | |
3797 | rc = sprintf(str, "%.*s\n", | |
3798 | boot_conn->chap.target_chap_name_length, | |
3799 | (char *)&boot_conn->chap.target_chap_name); | |
3800 | break; | |
3801 | case ISCSI_BOOT_TGT_CHAP_SECRET: | |
3802 | rc = sprintf(str, "%.*s\n", | |
3803 | boot_conn->chap.target_secret_length, | |
3804 | (char *)&boot_conn->chap.target_secret); | |
3805 | break; | |
3806 | case ISCSI_BOOT_TGT_REV_CHAP_NAME: | |
3807 | rc = sprintf(str, "%.*s\n", | |
3808 | boot_conn->chap.intr_chap_name_length, | |
3809 | (char *)&boot_conn->chap.intr_chap_name); | |
3810 | break; | |
3811 | case ISCSI_BOOT_TGT_REV_CHAP_SECRET: | |
3812 | rc = sprintf(str, "%.*s\n", | |
3813 | boot_conn->chap.intr_secret_length, | |
3814 | (char *)&boot_conn->chap.intr_secret); | |
3815 | break; | |
3816 | case ISCSI_BOOT_TGT_FLAGS: | |
3817 | rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT); | |
3818 | break; | |
3819 | case ISCSI_BOOT_TGT_NIC_ASSOC: | |
3820 | rc = sprintf(str, "0\n"); | |
3821 | break; | |
3822 | default: | |
3823 | rc = -ENOSYS; | |
3824 | break; | |
3825 | } | |
3826 | return rc; | |
3827 | } | |
3828 | ||
3829 | static ssize_t qla4xxx_show_boot_tgt_pri_info(void *data, int type, char *buf) | |
3830 | { | |
3831 | struct scsi_qla_host *ha = data; | |
3832 | struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_pri_sess); | |
3833 | ||
3834 | return qla4xxx_show_boot_tgt_info(boot_sess, type, buf); | |
3835 | } | |
3836 | ||
3837 | static ssize_t qla4xxx_show_boot_tgt_sec_info(void *data, int type, char *buf) | |
3838 | { | |
3839 | struct scsi_qla_host *ha = data; | |
3840 | struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_sec_sess); | |
3841 | ||
3842 | return qla4xxx_show_boot_tgt_info(boot_sess, type, buf); | |
3843 | } | |
3844 | ||
587a1f16 | 3845 | static umode_t qla4xxx_tgt_get_attr_visibility(void *data, int type) |
2a991c21 MR |
3846 | { |
3847 | int rc; | |
3848 | ||
3849 | switch (type) { | |
3850 | case ISCSI_BOOT_TGT_NAME: | |
3851 | case ISCSI_BOOT_TGT_IP_ADDR: | |
3852 | case ISCSI_BOOT_TGT_PORT: | |
3853 | case ISCSI_BOOT_TGT_CHAP_NAME: | |
3854 | case ISCSI_BOOT_TGT_CHAP_SECRET: | |
3855 | case ISCSI_BOOT_TGT_REV_CHAP_NAME: | |
3856 | case ISCSI_BOOT_TGT_REV_CHAP_SECRET: | |
3857 | case ISCSI_BOOT_TGT_NIC_ASSOC: | |
3858 | case ISCSI_BOOT_TGT_FLAGS: | |
3859 | rc = S_IRUGO; | |
3860 | break; | |
3861 | default: | |
3862 | rc = 0; | |
3863 | break; | |
3864 | } | |
3865 | return rc; | |
3866 | } | |
3867 | ||
3868 | static void qla4xxx_boot_release(void *data) | |
3869 | { | |
3870 | struct scsi_qla_host *ha = data; | |
3871 | ||
3872 | scsi_host_put(ha->host); | |
3873 | } | |
3874 | ||
3875 | static int get_fw_boot_info(struct scsi_qla_host *ha, uint16_t ddb_index[]) | |
3876 | { | |
3877 | dma_addr_t buf_dma; | |
3878 | uint32_t addr, pri_addr, sec_addr; | |
3879 | uint32_t offset; | |
3880 | uint16_t func_num; | |
3881 | uint8_t val; | |
3882 | uint8_t *buf = NULL; | |
3883 | size_t size = 13 * sizeof(uint8_t); | |
3884 | int ret = QLA_SUCCESS; | |
3885 | ||
3886 | func_num = PCI_FUNC(ha->pdev->devfn); | |
3887 | ||
0d5b36b8 MR |
3888 | ql4_printk(KERN_INFO, ha, "%s: Get FW boot info for 0x%x func %d\n", |
3889 | __func__, ha->pdev->device, func_num); | |
2a991c21 | 3890 | |
0d5b36b8 | 3891 | if (is_qla40XX(ha)) { |
2a991c21 MR |
3892 | if (func_num == 1) { |
3893 | addr = NVRAM_PORT0_BOOT_MODE; | |
3894 | pri_addr = NVRAM_PORT0_BOOT_PRI_TGT; | |
3895 | sec_addr = NVRAM_PORT0_BOOT_SEC_TGT; | |
3896 | } else if (func_num == 3) { | |
3897 | addr = NVRAM_PORT1_BOOT_MODE; | |
3898 | pri_addr = NVRAM_PORT1_BOOT_PRI_TGT; | |
3899 | sec_addr = NVRAM_PORT1_BOOT_SEC_TGT; | |
3900 | } else { | |
3901 | ret = QLA_ERROR; | |
3902 | goto exit_boot_info; | |
3903 | } | |
3904 | ||
3905 | /* Check Boot Mode */ | |
3906 | val = rd_nvram_byte(ha, addr); | |
3907 | if (!(val & 0x07)) { | |
e8fb00e0 MR |
3908 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Adapter boot " |
3909 | "options : 0x%x\n", __func__, val)); | |
2a991c21 MR |
3910 | ret = QLA_ERROR; |
3911 | goto exit_boot_info; | |
3912 | } | |
3913 | ||
3914 | /* get primary valid target index */ | |
3915 | val = rd_nvram_byte(ha, pri_addr); | |
3916 | if (val & BIT_7) | |
3917 | ddb_index[0] = (val & 0x7f); | |
2a991c21 MR |
3918 | |
3919 | /* get secondary valid target index */ | |
3920 | val = rd_nvram_byte(ha, sec_addr); | |
3921 | if (val & BIT_7) | |
3922 | ddb_index[1] = (val & 0x7f); | |
2a991c21 MR |
3923 | |
3924 | } else if (is_qla8022(ha)) { | |
3925 | buf = dma_alloc_coherent(&ha->pdev->dev, size, | |
3926 | &buf_dma, GFP_KERNEL); | |
3927 | if (!buf) { | |
3928 | DEBUG2(ql4_printk(KERN_ERR, ha, | |
3929 | "%s: Unable to allocate dma buffer\n", | |
3930 | __func__)); | |
3931 | ret = QLA_ERROR; | |
3932 | goto exit_boot_info; | |
3933 | } | |
3934 | ||
3935 | if (ha->port_num == 0) | |
3936 | offset = BOOT_PARAM_OFFSET_PORT0; | |
3937 | else if (ha->port_num == 1) | |
3938 | offset = BOOT_PARAM_OFFSET_PORT1; | |
3939 | else { | |
3940 | ret = QLA_ERROR; | |
3941 | goto exit_boot_info_free; | |
3942 | } | |
3943 | addr = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_iscsi_param * 4) + | |
3944 | offset; | |
3945 | if (qla4xxx_get_flash(ha, buf_dma, addr, | |
3946 | 13 * sizeof(uint8_t)) != QLA_SUCCESS) { | |
3947 | DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: Get Flash" | |
0bd7f842 | 3948 | " failed\n", ha->host_no, __func__)); |
2a991c21 MR |
3949 | ret = QLA_ERROR; |
3950 | goto exit_boot_info_free; | |
3951 | } | |
3952 | /* Check Boot Mode */ | |
3953 | if (!(buf[1] & 0x07)) { | |
e8fb00e0 MR |
3954 | DEBUG2(ql4_printk(KERN_INFO, ha, "Firmware boot options" |
3955 | " : 0x%x\n", buf[1])); | |
2a991c21 MR |
3956 | ret = QLA_ERROR; |
3957 | goto exit_boot_info_free; | |
3958 | } | |
3959 | ||
3960 | /* get primary valid target index */ | |
3961 | if (buf[2] & BIT_7) | |
3962 | ddb_index[0] = buf[2] & 0x7f; | |
2a991c21 MR |
3963 | |
3964 | /* get secondary valid target index */ | |
3965 | if (buf[11] & BIT_7) | |
3966 | ddb_index[1] = buf[11] & 0x7f; | |
2a991c21 MR |
3967 | } else { |
3968 | ret = QLA_ERROR; | |
3969 | goto exit_boot_info; | |
3970 | } | |
3971 | ||
3972 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary target ID %d, Secondary" | |
3973 | " target ID %d\n", __func__, ddb_index[0], | |
3974 | ddb_index[1])); | |
3975 | ||
3976 | exit_boot_info_free: | |
3977 | dma_free_coherent(&ha->pdev->dev, size, buf, buf_dma); | |
3978 | exit_boot_info: | |
20e835b4 LC |
3979 | ha->pri_ddb_idx = ddb_index[0]; |
3980 | ha->sec_ddb_idx = ddb_index[1]; | |
2a991c21 MR |
3981 | return ret; |
3982 | } | |
3983 | ||
28deb45c LC |
3984 | /** |
3985 | * qla4xxx_get_bidi_chap - Get a BIDI CHAP user and password | |
3986 | * @ha: pointer to adapter structure | |
3987 | * @username: CHAP username to be returned | |
3988 | * @password: CHAP password to be returned | |
3989 | * | |
3990 | * If a boot entry has BIDI CHAP enabled then we need to set the BIDI CHAP | |
3991 | * user and password in the sysfs entry in /sys/firmware/iscsi_boot#/. | |
3992 | * So from the CHAP cache find the first BIDI CHAP entry and set it | |
3993 | * to the boot record in sysfs. | |
3994 | **/ | |
3995 | static int qla4xxx_get_bidi_chap(struct scsi_qla_host *ha, char *username, | |
3996 | char *password) | |
3997 | { | |
3998 | int i, ret = -EINVAL; | |
3999 | int max_chap_entries = 0; | |
4000 | struct ql4_chap_table *chap_table; | |
4001 | ||
4002 | if (is_qla8022(ha)) | |
4003 | max_chap_entries = (ha->hw.flt_chap_size / 2) / | |
4004 | sizeof(struct ql4_chap_table); | |
4005 | else | |
4006 | max_chap_entries = MAX_CHAP_ENTRIES_40XX; | |
4007 | ||
4008 | if (!ha->chap_list) { | |
4009 | ql4_printk(KERN_ERR, ha, "Do not have CHAP table cache\n"); | |
4010 | return ret; | |
4011 | } | |
4012 | ||
4013 | mutex_lock(&ha->chap_sem); | |
4014 | for (i = 0; i < max_chap_entries; i++) { | |
4015 | chap_table = (struct ql4_chap_table *)ha->chap_list + i; | |
4016 | if (chap_table->cookie != | |
4017 | __constant_cpu_to_le16(CHAP_VALID_COOKIE)) { | |
4018 | continue; | |
4019 | } | |
4020 | ||
4021 | if (chap_table->flags & BIT_7) /* local */ | |
4022 | continue; | |
4023 | ||
4024 | if (!(chap_table->flags & BIT_6)) /* Not BIDI */ | |
4025 | continue; | |
4026 | ||
4027 | strncpy(password, chap_table->secret, QL4_CHAP_MAX_SECRET_LEN); | |
4028 | strncpy(username, chap_table->name, QL4_CHAP_MAX_NAME_LEN); | |
4029 | ret = 0; | |
4030 | break; | |
4031 | } | |
4032 | mutex_unlock(&ha->chap_sem); | |
4033 | ||
4034 | return ret; | |
4035 | } | |
4036 | ||
4037 | ||
2a991c21 MR |
4038 | static int qla4xxx_get_boot_target(struct scsi_qla_host *ha, |
4039 | struct ql4_boot_session_info *boot_sess, | |
4040 | uint16_t ddb_index) | |
4041 | { | |
4042 | struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0]; | |
4043 | struct dev_db_entry *fw_ddb_entry; | |
4044 | dma_addr_t fw_ddb_entry_dma; | |
4045 | uint16_t idx; | |
4046 | uint16_t options; | |
4047 | int ret = QLA_SUCCESS; | |
4048 | ||
4049 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
4050 | &fw_ddb_entry_dma, GFP_KERNEL); | |
4051 | if (!fw_ddb_entry) { | |
4052 | DEBUG2(ql4_printk(KERN_ERR, ha, | |
4053 | "%s: Unable to allocate dma buffer.\n", | |
4054 | __func__)); | |
4055 | ret = QLA_ERROR; | |
4056 | return ret; | |
4057 | } | |
4058 | ||
4059 | if (qla4xxx_bootdb_by_index(ha, fw_ddb_entry, | |
4060 | fw_ddb_entry_dma, ddb_index)) { | |
e8fb00e0 MR |
4061 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: No Flash DDB found at " |
4062 | "index [%d]\n", __func__, ddb_index)); | |
2a991c21 MR |
4063 | ret = QLA_ERROR; |
4064 | goto exit_boot_target; | |
4065 | } | |
4066 | ||
4067 | /* Update target name and IP from DDB */ | |
4068 | memcpy(boot_sess->target_name, fw_ddb_entry->iscsi_name, | |
4069 | min(sizeof(boot_sess->target_name), | |
4070 | sizeof(fw_ddb_entry->iscsi_name))); | |
4071 | ||
4072 | options = le16_to_cpu(fw_ddb_entry->options); | |
4073 | if (options & DDB_OPT_IPV6_DEVICE) { | |
4074 | memcpy(&boot_conn->dest_ipaddr.ip_address, | |
4075 | &fw_ddb_entry->ip_addr[0], IPv6_ADDR_LEN); | |
4076 | } else { | |
4077 | boot_conn->dest_ipaddr.ip_type = 0x1; | |
4078 | memcpy(&boot_conn->dest_ipaddr.ip_address, | |
4079 | &fw_ddb_entry->ip_addr[0], IP_ADDR_LEN); | |
4080 | } | |
4081 | ||
4082 | boot_conn->dest_port = le16_to_cpu(fw_ddb_entry->port); | |
4083 | ||
4084 | /* update chap information */ | |
4085 | idx = __le16_to_cpu(fw_ddb_entry->chap_tbl_idx); | |
4086 | ||
4087 | if (BIT_7 & le16_to_cpu(fw_ddb_entry->iscsi_options)) { | |
4088 | ||
4089 | DEBUG2(ql4_printk(KERN_INFO, ha, "Setting chap\n")); | |
4090 | ||
4091 | ret = qla4xxx_get_chap(ha, (char *)&boot_conn->chap. | |
4092 | target_chap_name, | |
4093 | (char *)&boot_conn->chap.target_secret, | |
4094 | idx); | |
4095 | if (ret) { | |
4096 | ql4_printk(KERN_ERR, ha, "Failed to set chap\n"); | |
4097 | ret = QLA_ERROR; | |
4098 | goto exit_boot_target; | |
4099 | } | |
4100 | ||
4101 | boot_conn->chap.target_chap_name_length = QL4_CHAP_MAX_NAME_LEN; | |
4102 | boot_conn->chap.target_secret_length = QL4_CHAP_MAX_SECRET_LEN; | |
4103 | } | |
4104 | ||
4105 | if (BIT_4 & le16_to_cpu(fw_ddb_entry->iscsi_options)) { | |
4106 | ||
4107 | DEBUG2(ql4_printk(KERN_INFO, ha, "Setting BIDI chap\n")); | |
4108 | ||
28deb45c LC |
4109 | ret = qla4xxx_get_bidi_chap(ha, |
4110 | (char *)&boot_conn->chap.intr_chap_name, | |
4111 | (char *)&boot_conn->chap.intr_secret); | |
4112 | ||
2a991c21 MR |
4113 | if (ret) { |
4114 | ql4_printk(KERN_ERR, ha, "Failed to set BIDI chap\n"); | |
4115 | ret = QLA_ERROR; | |
4116 | goto exit_boot_target; | |
4117 | } | |
4118 | ||
4119 | boot_conn->chap.intr_chap_name_length = QL4_CHAP_MAX_NAME_LEN; | |
4120 | boot_conn->chap.intr_secret_length = QL4_CHAP_MAX_SECRET_LEN; | |
4121 | } | |
4122 | ||
4123 | exit_boot_target: | |
4124 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
4125 | fw_ddb_entry, fw_ddb_entry_dma); | |
4126 | return ret; | |
4127 | } | |
4128 | ||
4129 | static int qla4xxx_get_boot_info(struct scsi_qla_host *ha) | |
4130 | { | |
4131 | uint16_t ddb_index[2]; | |
8de5b958 LC |
4132 | int ret = QLA_ERROR; |
4133 | int rval; | |
2a991c21 MR |
4134 | |
4135 | memset(ddb_index, 0, sizeof(ddb_index)); | |
8de5b958 LC |
4136 | ddb_index[0] = 0xffff; |
4137 | ddb_index[1] = 0xffff; | |
2a991c21 MR |
4138 | ret = get_fw_boot_info(ha, ddb_index); |
4139 | if (ret != QLA_SUCCESS) { | |
e8fb00e0 MR |
4140 | DEBUG2(ql4_printk(KERN_INFO, ha, |
4141 | "%s: No boot target configured.\n", __func__)); | |
2a991c21 MR |
4142 | return ret; |
4143 | } | |
4144 | ||
13483730 MC |
4145 | if (ql4xdisablesysfsboot) |
4146 | return QLA_SUCCESS; | |
4147 | ||
8de5b958 LC |
4148 | if (ddb_index[0] == 0xffff) |
4149 | goto sec_target; | |
4150 | ||
4151 | rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_pri_sess), | |
2a991c21 | 4152 | ddb_index[0]); |
8de5b958 | 4153 | if (rval != QLA_SUCCESS) { |
e8fb00e0 MR |
4154 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary boot target not " |
4155 | "configured\n", __func__)); | |
8de5b958 LC |
4156 | } else |
4157 | ret = QLA_SUCCESS; | |
2a991c21 | 4158 | |
8de5b958 LC |
4159 | sec_target: |
4160 | if (ddb_index[1] == 0xffff) | |
4161 | goto exit_get_boot_info; | |
4162 | ||
4163 | rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_sec_sess), | |
2a991c21 | 4164 | ddb_index[1]); |
8de5b958 | 4165 | if (rval != QLA_SUCCESS) { |
e8fb00e0 MR |
4166 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Secondary boot target not" |
4167 | " configured\n", __func__)); | |
8de5b958 LC |
4168 | } else |
4169 | ret = QLA_SUCCESS; | |
4170 | ||
4171 | exit_get_boot_info: | |
2a991c21 MR |
4172 | return ret; |
4173 | } | |
4174 | ||
4175 | static int qla4xxx_setup_boot_info(struct scsi_qla_host *ha) | |
4176 | { | |
4177 | struct iscsi_boot_kobj *boot_kobj; | |
4178 | ||
4179 | if (qla4xxx_get_boot_info(ha) != QLA_SUCCESS) | |
13483730 MC |
4180 | return QLA_ERROR; |
4181 | ||
4182 | if (ql4xdisablesysfsboot) { | |
4183 | ql4_printk(KERN_INFO, ha, | |
0bd7f842 | 4184 | "%s: syfsboot disabled - driver will trigger login " |
13483730 MC |
4185 | "and publish session for discovery .\n", __func__); |
4186 | return QLA_SUCCESS; | |
4187 | } | |
4188 | ||
2a991c21 MR |
4189 | |
4190 | ha->boot_kset = iscsi_boot_create_host_kset(ha->host->host_no); | |
4191 | if (!ha->boot_kset) | |
4192 | goto kset_free; | |
4193 | ||
4194 | if (!scsi_host_get(ha->host)) | |
4195 | goto kset_free; | |
4196 | boot_kobj = iscsi_boot_create_target(ha->boot_kset, 0, ha, | |
4197 | qla4xxx_show_boot_tgt_pri_info, | |
4198 | qla4xxx_tgt_get_attr_visibility, | |
4199 | qla4xxx_boot_release); | |
4200 | if (!boot_kobj) | |
4201 | goto put_host; | |
4202 | ||
4203 | if (!scsi_host_get(ha->host)) | |
4204 | goto kset_free; | |
4205 | boot_kobj = iscsi_boot_create_target(ha->boot_kset, 1, ha, | |
4206 | qla4xxx_show_boot_tgt_sec_info, | |
4207 | qla4xxx_tgt_get_attr_visibility, | |
4208 | qla4xxx_boot_release); | |
4209 | if (!boot_kobj) | |
4210 | goto put_host; | |
4211 | ||
4212 | if (!scsi_host_get(ha->host)) | |
4213 | goto kset_free; | |
4214 | boot_kobj = iscsi_boot_create_initiator(ha->boot_kset, 0, ha, | |
4215 | qla4xxx_show_boot_ini_info, | |
4216 | qla4xxx_ini_get_attr_visibility, | |
4217 | qla4xxx_boot_release); | |
4218 | if (!boot_kobj) | |
4219 | goto put_host; | |
4220 | ||
4221 | if (!scsi_host_get(ha->host)) | |
4222 | goto kset_free; | |
4223 | boot_kobj = iscsi_boot_create_ethernet(ha->boot_kset, 0, ha, | |
4224 | qla4xxx_show_boot_eth_info, | |
4225 | qla4xxx_eth_get_attr_visibility, | |
4226 | qla4xxx_boot_release); | |
4227 | if (!boot_kobj) | |
4228 | goto put_host; | |
4229 | ||
13483730 | 4230 | return QLA_SUCCESS; |
2a991c21 MR |
4231 | |
4232 | put_host: | |
4233 | scsi_host_put(ha->host); | |
4234 | kset_free: | |
4235 | iscsi_boot_destroy_kset(ha->boot_kset); | |
4236 | return -ENOMEM; | |
4237 | } | |
4238 | ||
4549415a LC |
4239 | |
4240 | /** | |
4241 | * qla4xxx_create chap_list - Create CHAP list from FLASH | |
4242 | * @ha: pointer to adapter structure | |
4243 | * | |
4244 | * Read flash and make a list of CHAP entries, during login when a CHAP entry | |
4245 | * is received, it will be checked in this list. If entry exist then the CHAP | |
4246 | * entry index is set in the DDB. If CHAP entry does not exist in this list | |
4247 | * then a new entry is added in FLASH in CHAP table and the index obtained is | |
4248 | * used in the DDB. | |
4249 | **/ | |
4250 | static void qla4xxx_create_chap_list(struct scsi_qla_host *ha) | |
4251 | { | |
4252 | int rval = 0; | |
4253 | uint8_t *chap_flash_data = NULL; | |
4254 | uint32_t offset; | |
4255 | dma_addr_t chap_dma; | |
4256 | uint32_t chap_size = 0; | |
4257 | ||
4258 | if (is_qla40XX(ha)) | |
4259 | chap_size = MAX_CHAP_ENTRIES_40XX * | |
4260 | sizeof(struct ql4_chap_table); | |
4261 | else /* Single region contains CHAP info for both | |
4262 | * ports which is divided into half for each port. | |
4263 | */ | |
4264 | chap_size = ha->hw.flt_chap_size / 2; | |
4265 | ||
4266 | chap_flash_data = dma_alloc_coherent(&ha->pdev->dev, chap_size, | |
4267 | &chap_dma, GFP_KERNEL); | |
4268 | if (!chap_flash_data) { | |
4269 | ql4_printk(KERN_ERR, ha, "No memory for chap_flash_data\n"); | |
4270 | return; | |
4271 | } | |
4272 | if (is_qla40XX(ha)) | |
4273 | offset = FLASH_CHAP_OFFSET; | |
4274 | else { | |
4275 | offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2); | |
4276 | if (ha->port_num == 1) | |
4277 | offset += chap_size; | |
4278 | } | |
4279 | ||
4280 | rval = qla4xxx_get_flash(ha, chap_dma, offset, chap_size); | |
4281 | if (rval != QLA_SUCCESS) | |
4282 | goto exit_chap_list; | |
4283 | ||
4284 | if (ha->chap_list == NULL) | |
4285 | ha->chap_list = vmalloc(chap_size); | |
4286 | if (ha->chap_list == NULL) { | |
4287 | ql4_printk(KERN_ERR, ha, "No memory for ha->chap_list\n"); | |
4288 | goto exit_chap_list; | |
4289 | } | |
4290 | ||
4291 | memcpy(ha->chap_list, chap_flash_data, chap_size); | |
4292 | ||
4293 | exit_chap_list: | |
4294 | dma_free_coherent(&ha->pdev->dev, chap_size, | |
4295 | chap_flash_data, chap_dma); | |
4549415a LC |
4296 | } |
4297 | ||
13483730 MC |
4298 | static void qla4xxx_get_param_ddb(struct ddb_entry *ddb_entry, |
4299 | struct ql4_tuple_ddb *tddb) | |
4300 | { | |
4301 | struct scsi_qla_host *ha; | |
4302 | struct iscsi_cls_session *cls_sess; | |
4303 | struct iscsi_cls_conn *cls_conn; | |
4304 | struct iscsi_session *sess; | |
4305 | struct iscsi_conn *conn; | |
4306 | ||
4307 | DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); | |
4308 | ha = ddb_entry->ha; | |
4309 | cls_sess = ddb_entry->sess; | |
4310 | sess = cls_sess->dd_data; | |
4311 | cls_conn = ddb_entry->conn; | |
4312 | conn = cls_conn->dd_data; | |
4313 | ||
4314 | tddb->tpgt = sess->tpgt; | |
4315 | tddb->port = conn->persistent_port; | |
4316 | strncpy(tddb->iscsi_name, sess->targetname, ISCSI_NAME_SIZE); | |
4317 | strncpy(tddb->ip_addr, conn->persistent_address, DDB_IPADDR_LEN); | |
4318 | } | |
4319 | ||
4320 | static void qla4xxx_convert_param_ddb(struct dev_db_entry *fw_ddb_entry, | |
1cb78d73 VC |
4321 | struct ql4_tuple_ddb *tddb, |
4322 | uint8_t *flash_isid) | |
13483730 MC |
4323 | { |
4324 | uint16_t options = 0; | |
4325 | ||
4326 | tddb->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); | |
4327 | memcpy(&tddb->iscsi_name[0], &fw_ddb_entry->iscsi_name[0], | |
4328 | min(sizeof(tddb->iscsi_name), sizeof(fw_ddb_entry->iscsi_name))); | |
4329 | ||
4330 | options = le16_to_cpu(fw_ddb_entry->options); | |
4331 | if (options & DDB_OPT_IPV6_DEVICE) | |
4332 | sprintf(tddb->ip_addr, "%pI6", fw_ddb_entry->ip_addr); | |
4333 | else | |
4334 | sprintf(tddb->ip_addr, "%pI4", fw_ddb_entry->ip_addr); | |
4335 | ||
4336 | tddb->port = le16_to_cpu(fw_ddb_entry->port); | |
1cb78d73 VC |
4337 | |
4338 | if (flash_isid == NULL) | |
4339 | memcpy(&tddb->isid[0], &fw_ddb_entry->isid[0], | |
4340 | sizeof(tddb->isid)); | |
4341 | else | |
4342 | memcpy(&tddb->isid[0], &flash_isid[0], sizeof(tddb->isid)); | |
13483730 MC |
4343 | } |
4344 | ||
4345 | static int qla4xxx_compare_tuple_ddb(struct scsi_qla_host *ha, | |
4346 | struct ql4_tuple_ddb *old_tddb, | |
173269ef MR |
4347 | struct ql4_tuple_ddb *new_tddb, |
4348 | uint8_t is_isid_compare) | |
13483730 MC |
4349 | { |
4350 | if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name)) | |
4351 | return QLA_ERROR; | |
4352 | ||
4353 | if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr)) | |
4354 | return QLA_ERROR; | |
4355 | ||
4356 | if (old_tddb->port != new_tddb->port) | |
4357 | return QLA_ERROR; | |
4358 | ||
173269ef MR |
4359 | /* For multi sessions, driver generates the ISID, so do not compare |
4360 | * ISID in reset path since it would be a comparision between the | |
4361 | * driver generated ISID and firmware generated ISID. This could | |
4362 | * lead to adding duplicated DDBs in the list as driver generated | |
4363 | * ISID would not match firmware generated ISID. | |
4364 | */ | |
4365 | if (is_isid_compare) { | |
4366 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: old ISID [%02x%02x%02x" | |
4367 | "%02x%02x%02x] New ISID [%02x%02x%02x%02x%02x%02x]\n", | |
4368 | __func__, old_tddb->isid[5], old_tddb->isid[4], | |
4369 | old_tddb->isid[3], old_tddb->isid[2], old_tddb->isid[1], | |
4370 | old_tddb->isid[0], new_tddb->isid[5], new_tddb->isid[4], | |
4371 | new_tddb->isid[3], new_tddb->isid[2], new_tddb->isid[1], | |
4372 | new_tddb->isid[0])); | |
4373 | ||
4374 | if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0], | |
4375 | sizeof(old_tddb->isid))) | |
4376 | return QLA_ERROR; | |
4377 | } | |
4378 | ||
13483730 MC |
4379 | DEBUG2(ql4_printk(KERN_INFO, ha, |
4380 | "Match Found, fw[%d,%d,%s,%s], [%d,%d,%s,%s]", | |
4381 | old_tddb->port, old_tddb->tpgt, old_tddb->ip_addr, | |
4382 | old_tddb->iscsi_name, new_tddb->port, new_tddb->tpgt, | |
4383 | new_tddb->ip_addr, new_tddb->iscsi_name)); | |
4384 | ||
4385 | return QLA_SUCCESS; | |
4386 | } | |
4387 | ||
4388 | static int qla4xxx_is_session_exists(struct scsi_qla_host *ha, | |
4389 | struct dev_db_entry *fw_ddb_entry) | |
4390 | { | |
4391 | struct ddb_entry *ddb_entry; | |
4392 | struct ql4_tuple_ddb *fw_tddb = NULL; | |
4393 | struct ql4_tuple_ddb *tmp_tddb = NULL; | |
4394 | int idx; | |
4395 | int ret = QLA_ERROR; | |
4396 | ||
4397 | fw_tddb = vzalloc(sizeof(*fw_tddb)); | |
4398 | if (!fw_tddb) { | |
4399 | DEBUG2(ql4_printk(KERN_WARNING, ha, | |
4400 | "Memory Allocation failed.\n")); | |
4401 | ret = QLA_SUCCESS; | |
4402 | goto exit_check; | |
4403 | } | |
4404 | ||
4405 | tmp_tddb = vzalloc(sizeof(*tmp_tddb)); | |
4406 | if (!tmp_tddb) { | |
4407 | DEBUG2(ql4_printk(KERN_WARNING, ha, | |
4408 | "Memory Allocation failed.\n")); | |
4409 | ret = QLA_SUCCESS; | |
4410 | goto exit_check; | |
4411 | } | |
4412 | ||
1cb78d73 | 4413 | qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL); |
13483730 MC |
4414 | |
4415 | for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { | |
4416 | ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); | |
4417 | if (ddb_entry == NULL) | |
4418 | continue; | |
4419 | ||
4420 | qla4xxx_get_param_ddb(ddb_entry, tmp_tddb); | |
173269ef | 4421 | if (!qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, false)) { |
13483730 MC |
4422 | ret = QLA_SUCCESS; /* found */ |
4423 | goto exit_check; | |
4424 | } | |
4425 | } | |
4426 | ||
4427 | exit_check: | |
4428 | if (fw_tddb) | |
4429 | vfree(fw_tddb); | |
4430 | if (tmp_tddb) | |
4431 | vfree(tmp_tddb); | |
4432 | return ret; | |
4433 | } | |
4434 | ||
1cb78d73 VC |
4435 | /** |
4436 | * qla4xxx_check_existing_isid - check if target with same isid exist | |
4437 | * in target list | |
4438 | * @list_nt: list of target | |
4439 | * @isid: isid to check | |
4440 | * | |
4441 | * This routine return QLA_SUCCESS if target with same isid exist | |
4442 | **/ | |
4443 | static int qla4xxx_check_existing_isid(struct list_head *list_nt, uint8_t *isid) | |
4444 | { | |
4445 | struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp; | |
4446 | struct dev_db_entry *fw_ddb_entry; | |
4447 | ||
4448 | list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { | |
4449 | fw_ddb_entry = &nt_ddb_idx->fw_ddb; | |
4450 | ||
4451 | if (memcmp(&fw_ddb_entry->isid[0], &isid[0], | |
4452 | sizeof(nt_ddb_idx->fw_ddb.isid)) == 0) { | |
4453 | return QLA_SUCCESS; | |
4454 | } | |
4455 | } | |
4456 | return QLA_ERROR; | |
4457 | } | |
4458 | ||
4459 | /** | |
4460 | * qla4xxx_update_isid - compare ddbs and updated isid | |
4461 | * @ha: Pointer to host adapter structure. | |
4462 | * @list_nt: list of nt target | |
4463 | * @fw_ddb_entry: firmware ddb entry | |
4464 | * | |
4465 | * This routine update isid if ddbs have same iqn, same isid and | |
4466 | * different IP addr. | |
4467 | * Return QLA_SUCCESS if isid is updated. | |
4468 | **/ | |
4469 | static int qla4xxx_update_isid(struct scsi_qla_host *ha, | |
4470 | struct list_head *list_nt, | |
4471 | struct dev_db_entry *fw_ddb_entry) | |
4472 | { | |
4473 | uint8_t base_value, i; | |
4474 | ||
4475 | base_value = fw_ddb_entry->isid[1] & 0x1f; | |
4476 | for (i = 0; i < 8; i++) { | |
4477 | fw_ddb_entry->isid[1] = (base_value | (i << 5)); | |
4478 | if (qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid)) | |
4479 | break; | |
4480 | } | |
4481 | ||
4482 | if (!qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid)) | |
4483 | return QLA_ERROR; | |
4484 | ||
4485 | return QLA_SUCCESS; | |
4486 | } | |
4487 | ||
4488 | /** | |
4489 | * qla4xxx_should_update_isid - check if isid need to update | |
4490 | * @ha: Pointer to host adapter structure. | |
4491 | * @old_tddb: ddb tuple | |
4492 | * @new_tddb: ddb tuple | |
4493 | * | |
4494 | * Return QLA_SUCCESS if different IP, different PORT, same iqn, | |
4495 | * same isid | |
4496 | **/ | |
4497 | static int qla4xxx_should_update_isid(struct scsi_qla_host *ha, | |
4498 | struct ql4_tuple_ddb *old_tddb, | |
4499 | struct ql4_tuple_ddb *new_tddb) | |
4500 | { | |
4501 | if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr) == 0) { | |
4502 | /* Same ip */ | |
4503 | if (old_tddb->port == new_tddb->port) | |
4504 | return QLA_ERROR; | |
4505 | } | |
4506 | ||
4507 | if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name)) | |
4508 | /* different iqn */ | |
4509 | return QLA_ERROR; | |
4510 | ||
4511 | if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0], | |
4512 | sizeof(old_tddb->isid))) | |
4513 | /* different isid */ | |
4514 | return QLA_ERROR; | |
4515 | ||
4516 | return QLA_SUCCESS; | |
4517 | } | |
4518 | ||
4519 | /** | |
4520 | * qla4xxx_is_flash_ddb_exists - check if fw_ddb_entry already exists in list_nt | |
4521 | * @ha: Pointer to host adapter structure. | |
4522 | * @list_nt: list of nt target. | |
4523 | * @fw_ddb_entry: firmware ddb entry. | |
4524 | * | |
4525 | * This routine check if fw_ddb_entry already exists in list_nt to avoid | |
4526 | * duplicate ddb in list_nt. | |
4527 | * Return QLA_SUCCESS if duplicate ddb exit in list_nl. | |
4528 | * Note: This function also update isid of DDB if required. | |
4529 | **/ | |
4530 | ||
13483730 MC |
4531 | static int qla4xxx_is_flash_ddb_exists(struct scsi_qla_host *ha, |
4532 | struct list_head *list_nt, | |
4533 | struct dev_db_entry *fw_ddb_entry) | |
4534 | { | |
4535 | struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp; | |
4536 | struct ql4_tuple_ddb *fw_tddb = NULL; | |
4537 | struct ql4_tuple_ddb *tmp_tddb = NULL; | |
1cb78d73 | 4538 | int rval, ret = QLA_ERROR; |
13483730 MC |
4539 | |
4540 | fw_tddb = vzalloc(sizeof(*fw_tddb)); | |
4541 | if (!fw_tddb) { | |
4542 | DEBUG2(ql4_printk(KERN_WARNING, ha, | |
4543 | "Memory Allocation failed.\n")); | |
4544 | ret = QLA_SUCCESS; | |
4545 | goto exit_check; | |
4546 | } | |
4547 | ||
4548 | tmp_tddb = vzalloc(sizeof(*tmp_tddb)); | |
4549 | if (!tmp_tddb) { | |
4550 | DEBUG2(ql4_printk(KERN_WARNING, ha, | |
4551 | "Memory Allocation failed.\n")); | |
4552 | ret = QLA_SUCCESS; | |
4553 | goto exit_check; | |
4554 | } | |
4555 | ||
1cb78d73 | 4556 | qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL); |
13483730 MC |
4557 | |
4558 | list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { | |
1cb78d73 VC |
4559 | qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb, |
4560 | nt_ddb_idx->flash_isid); | |
4561 | ret = qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, true); | |
4562 | /* found duplicate ddb */ | |
4563 | if (ret == QLA_SUCCESS) | |
4564 | goto exit_check; | |
4565 | } | |
4566 | ||
4567 | list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { | |
4568 | qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb, NULL); | |
4569 | ||
4570 | ret = qla4xxx_should_update_isid(ha, tmp_tddb, fw_tddb); | |
4571 | if (ret == QLA_SUCCESS) { | |
4572 | rval = qla4xxx_update_isid(ha, list_nt, fw_ddb_entry); | |
4573 | if (rval == QLA_SUCCESS) | |
4574 | ret = QLA_ERROR; | |
4575 | else | |
4576 | ret = QLA_SUCCESS; | |
4577 | ||
13483730 MC |
4578 | goto exit_check; |
4579 | } | |
4580 | } | |
4581 | ||
4582 | exit_check: | |
4583 | if (fw_tddb) | |
4584 | vfree(fw_tddb); | |
4585 | if (tmp_tddb) | |
4586 | vfree(tmp_tddb); | |
4587 | return ret; | |
4588 | } | |
4589 | ||
4a4bc2e9 | 4590 | static void qla4xxx_free_ddb_list(struct list_head *list_ddb) |
13483730 | 4591 | { |
4a4bc2e9 | 4592 | struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; |
13483730 | 4593 | |
4a4bc2e9 LC |
4594 | list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { |
4595 | list_del_init(&ddb_idx->list); | |
4596 | vfree(ddb_idx); | |
13483730 | 4597 | } |
13483730 MC |
4598 | } |
4599 | ||
4600 | static struct iscsi_endpoint *qla4xxx_get_ep_fwdb(struct scsi_qla_host *ha, | |
4601 | struct dev_db_entry *fw_ddb_entry) | |
4602 | { | |
4603 | struct iscsi_endpoint *ep; | |
4604 | struct sockaddr_in *addr; | |
4605 | struct sockaddr_in6 *addr6; | |
4606 | struct sockaddr *dst_addr; | |
4607 | char *ip; | |
4608 | ||
4609 | /* TODO: need to destroy on unload iscsi_endpoint*/ | |
4610 | dst_addr = vmalloc(sizeof(*dst_addr)); | |
4611 | if (!dst_addr) | |
4612 | return NULL; | |
4613 | ||
4614 | if (fw_ddb_entry->options & DDB_OPT_IPV6_DEVICE) { | |
4615 | dst_addr->sa_family = AF_INET6; | |
4616 | addr6 = (struct sockaddr_in6 *)dst_addr; | |
4617 | ip = (char *)&addr6->sin6_addr; | |
4618 | memcpy(ip, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN); | |
4619 | addr6->sin6_port = htons(le16_to_cpu(fw_ddb_entry->port)); | |
4620 | ||
4621 | } else { | |
4622 | dst_addr->sa_family = AF_INET; | |
4623 | addr = (struct sockaddr_in *)dst_addr; | |
4624 | ip = (char *)&addr->sin_addr; | |
4625 | memcpy(ip, fw_ddb_entry->ip_addr, IP_ADDR_LEN); | |
4626 | addr->sin_port = htons(le16_to_cpu(fw_ddb_entry->port)); | |
4627 | } | |
4628 | ||
4629 | ep = qla4xxx_ep_connect(ha->host, dst_addr, 0); | |
4630 | vfree(dst_addr); | |
4631 | return ep; | |
4632 | } | |
4633 | ||
4634 | static int qla4xxx_verify_boot_idx(struct scsi_qla_host *ha, uint16_t idx) | |
4635 | { | |
4636 | if (ql4xdisablesysfsboot) | |
4637 | return QLA_SUCCESS; | |
4638 | if (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx) | |
4639 | return QLA_ERROR; | |
4640 | return QLA_SUCCESS; | |
4641 | } | |
4642 | ||
4643 | static void qla4xxx_setup_flash_ddb_entry(struct scsi_qla_host *ha, | |
4644 | struct ddb_entry *ddb_entry) | |
4645 | { | |
c28eaaca NJ |
4646 | uint16_t def_timeout; |
4647 | ||
13483730 MC |
4648 | ddb_entry->ddb_type = FLASH_DDB; |
4649 | ddb_entry->fw_ddb_index = INVALID_ENTRY; | |
4650 | ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE; | |
4651 | ddb_entry->ha = ha; | |
4652 | ddb_entry->unblock_sess = qla4xxx_unblock_flash_ddb; | |
4653 | ddb_entry->ddb_change = qla4xxx_flash_ddb_change; | |
4654 | ||
4655 | atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY); | |
4656 | atomic_set(&ddb_entry->relogin_timer, 0); | |
4657 | atomic_set(&ddb_entry->relogin_retry_count, 0); | |
c28eaaca | 4658 | def_timeout = le16_to_cpu(ddb_entry->fw_ddb_entry.def_timeout); |
13483730 | 4659 | ddb_entry->default_relogin_timeout = |
c28eaaca NJ |
4660 | (def_timeout > LOGIN_TOV) && (def_timeout < LOGIN_TOV * 10) ? |
4661 | def_timeout : LOGIN_TOV; | |
13483730 MC |
4662 | ddb_entry->default_time2wait = |
4663 | le16_to_cpu(ddb_entry->fw_ddb_entry.iscsi_def_time2wait); | |
4664 | } | |
4665 | ||
4666 | static void qla4xxx_wait_for_ip_configuration(struct scsi_qla_host *ha) | |
4667 | { | |
4668 | uint32_t idx = 0; | |
4669 | uint32_t ip_idx[IP_ADDR_COUNT] = {0, 1, 2, 3}; /* 4 IP interfaces */ | |
4670 | uint32_t sts[MBOX_REG_COUNT]; | |
4671 | uint32_t ip_state; | |
4672 | unsigned long wtime; | |
4673 | int ret; | |
4674 | ||
4675 | wtime = jiffies + (HZ * IP_CONFIG_TOV); | |
4676 | do { | |
4677 | for (idx = 0; idx < IP_ADDR_COUNT; idx++) { | |
4678 | if (ip_idx[idx] == -1) | |
4679 | continue; | |
4680 | ||
4681 | ret = qla4xxx_get_ip_state(ha, 0, ip_idx[idx], sts); | |
4682 | ||
4683 | if (ret == QLA_ERROR) { | |
4684 | ip_idx[idx] = -1; | |
4685 | continue; | |
4686 | } | |
4687 | ||
4688 | ip_state = (sts[1] & IP_STATE_MASK) >> IP_STATE_SHIFT; | |
4689 | ||
4690 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
4691 | "Waiting for IP state for idx = %d, state = 0x%x\n", | |
4692 | ip_idx[idx], ip_state)); | |
4693 | if (ip_state == IP_ADDRSTATE_UNCONFIGURED || | |
4694 | ip_state == IP_ADDRSTATE_INVALID || | |
4695 | ip_state == IP_ADDRSTATE_PREFERRED || | |
4696 | ip_state == IP_ADDRSTATE_DEPRICATED || | |
4697 | ip_state == IP_ADDRSTATE_DISABLING) | |
4698 | ip_idx[idx] = -1; | |
13483730 MC |
4699 | } |
4700 | ||
4701 | /* Break if all IP states checked */ | |
4702 | if ((ip_idx[0] == -1) && | |
4703 | (ip_idx[1] == -1) && | |
4704 | (ip_idx[2] == -1) && | |
4705 | (ip_idx[3] == -1)) | |
4706 | break; | |
4707 | schedule_timeout_uninterruptible(HZ); | |
4708 | } while (time_after(wtime, jiffies)); | |
4709 | } | |
4710 | ||
4a4bc2e9 LC |
4711 | static void qla4xxx_build_st_list(struct scsi_qla_host *ha, |
4712 | struct list_head *list_st) | |
13483730 | 4713 | { |
4a4bc2e9 | 4714 | struct qla_ddb_index *st_ddb_idx; |
13483730 | 4715 | int max_ddbs; |
4a4bc2e9 LC |
4716 | int fw_idx_size; |
4717 | struct dev_db_entry *fw_ddb_entry; | |
4718 | dma_addr_t fw_ddb_dma; | |
13483730 MC |
4719 | int ret; |
4720 | uint32_t idx = 0, next_idx = 0; | |
4721 | uint32_t state = 0, conn_err = 0; | |
4a4bc2e9 | 4722 | uint16_t conn_id = 0; |
13483730 MC |
4723 | |
4724 | fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, | |
4725 | &fw_ddb_dma); | |
4726 | if (fw_ddb_entry == NULL) { | |
4727 | DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); | |
4a4bc2e9 | 4728 | goto exit_st_list; |
13483730 MC |
4729 | } |
4730 | ||
4a4bc2e9 LC |
4731 | max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : |
4732 | MAX_DEV_DB_ENTRIES; | |
13483730 MC |
4733 | fw_idx_size = sizeof(struct qla_ddb_index); |
4734 | ||
4735 | for (idx = 0; idx < max_ddbs; idx = next_idx) { | |
4a4bc2e9 LC |
4736 | ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, |
4737 | NULL, &next_idx, &state, | |
4738 | &conn_err, NULL, &conn_id); | |
13483730 MC |
4739 | if (ret == QLA_ERROR) |
4740 | break; | |
4741 | ||
981c982c LC |
4742 | /* Ignore DDB if invalid state (unassigned) */ |
4743 | if (state == DDB_DS_UNASSIGNED) | |
4744 | goto continue_next_st; | |
4745 | ||
13483730 MC |
4746 | /* Check if ST, add to the list_st */ |
4747 | if (strlen((char *) fw_ddb_entry->iscsi_name) != 0) | |
4748 | goto continue_next_st; | |
4749 | ||
4750 | st_ddb_idx = vzalloc(fw_idx_size); | |
4751 | if (!st_ddb_idx) | |
4752 | break; | |
4753 | ||
4754 | st_ddb_idx->fw_ddb_idx = idx; | |
4755 | ||
4a4bc2e9 | 4756 | list_add_tail(&st_ddb_idx->list, list_st); |
13483730 MC |
4757 | continue_next_st: |
4758 | if (next_idx == 0) | |
4759 | break; | |
4760 | } | |
4761 | ||
4a4bc2e9 LC |
4762 | exit_st_list: |
4763 | if (fw_ddb_entry) | |
4764 | dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); | |
4765 | } | |
4766 | ||
4767 | /** | |
4768 | * qla4xxx_remove_failed_ddb - Remove inactive or failed ddb from list | |
4769 | * @ha: pointer to adapter structure | |
4770 | * @list_ddb: List from which failed ddb to be removed | |
4771 | * | |
4772 | * Iterate over the list of DDBs and find and remove DDBs that are either in | |
4773 | * no connection active state or failed state | |
4774 | **/ | |
4775 | static void qla4xxx_remove_failed_ddb(struct scsi_qla_host *ha, | |
4776 | struct list_head *list_ddb) | |
4777 | { | |
4778 | struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; | |
4779 | uint32_t next_idx = 0; | |
4780 | uint32_t state = 0, conn_err = 0; | |
4781 | int ret; | |
4782 | ||
4783 | list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { | |
4784 | ret = qla4xxx_get_fwddb_entry(ha, ddb_idx->fw_ddb_idx, | |
4785 | NULL, 0, NULL, &next_idx, &state, | |
4786 | &conn_err, NULL, NULL); | |
4787 | if (ret == QLA_ERROR) | |
4788 | continue; | |
4789 | ||
4790 | if (state == DDB_DS_NO_CONNECTION_ACTIVE || | |
4791 | state == DDB_DS_SESSION_FAILED) { | |
4792 | list_del_init(&ddb_idx->list); | |
4793 | vfree(ddb_idx); | |
4794 | } | |
4795 | } | |
4796 | } | |
4797 | ||
4798 | static int qla4xxx_sess_conn_setup(struct scsi_qla_host *ha, | |
4799 | struct dev_db_entry *fw_ddb_entry, | |
4800 | int is_reset) | |
4801 | { | |
4802 | struct iscsi_cls_session *cls_sess; | |
4803 | struct iscsi_session *sess; | |
4804 | struct iscsi_cls_conn *cls_conn; | |
4805 | struct iscsi_endpoint *ep; | |
4806 | uint16_t cmds_max = 32; | |
4807 | uint16_t conn_id = 0; | |
4808 | uint32_t initial_cmdsn = 0; | |
4809 | int ret = QLA_SUCCESS; | |
4810 | ||
4811 | struct ddb_entry *ddb_entry = NULL; | |
4812 | ||
4813 | /* Create session object, with INVALID_ENTRY, | |
4814 | * the targer_id would get set when we issue the login | |
13483730 | 4815 | */ |
4a4bc2e9 LC |
4816 | cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, ha->host, |
4817 | cmds_max, sizeof(struct ddb_entry), | |
4818 | sizeof(struct ql4_task_data), | |
4819 | initial_cmdsn, INVALID_ENTRY); | |
4820 | if (!cls_sess) { | |
4821 | ret = QLA_ERROR; | |
4822 | goto exit_setup; | |
4823 | } | |
13483730 | 4824 | |
4a4bc2e9 LC |
4825 | /* |
4826 | * so calling module_put function to decrement the | |
4827 | * reference count. | |
4828 | **/ | |
4829 | module_put(qla4xxx_iscsi_transport.owner); | |
4830 | sess = cls_sess->dd_data; | |
4831 | ddb_entry = sess->dd_data; | |
4832 | ddb_entry->sess = cls_sess; | |
4833 | ||
4834 | cls_sess->recovery_tmo = ql4xsess_recovery_tmo; | |
4835 | memcpy(&ddb_entry->fw_ddb_entry, fw_ddb_entry, | |
4836 | sizeof(struct dev_db_entry)); | |
4837 | ||
4838 | qla4xxx_setup_flash_ddb_entry(ha, ddb_entry); | |
4839 | ||
4840 | cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn), conn_id); | |
4841 | ||
4842 | if (!cls_conn) { | |
4843 | ret = QLA_ERROR; | |
4844 | goto exit_setup; | |
13483730 MC |
4845 | } |
4846 | ||
4a4bc2e9 | 4847 | ddb_entry->conn = cls_conn; |
13483730 | 4848 | |
4a4bc2e9 LC |
4849 | /* Setup ep, for displaying attributes in sysfs */ |
4850 | ep = qla4xxx_get_ep_fwdb(ha, fw_ddb_entry); | |
4851 | if (ep) { | |
4852 | ep->conn = cls_conn; | |
4853 | cls_conn->ep = ep; | |
4854 | } else { | |
4855 | DEBUG2(ql4_printk(KERN_ERR, ha, "Unable to get ep\n")); | |
4856 | ret = QLA_ERROR; | |
4857 | goto exit_setup; | |
4858 | } | |
13483730 | 4859 | |
4a4bc2e9 LC |
4860 | /* Update sess/conn params */ |
4861 | qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn); | |
13483730 | 4862 | |
4a4bc2e9 LC |
4863 | if (is_reset == RESET_ADAPTER) { |
4864 | iscsi_block_session(cls_sess); | |
4865 | /* Use the relogin path to discover new devices | |
4866 | * by short-circuting the logic of setting | |
4867 | * timer to relogin - instead set the flags | |
4868 | * to initiate login right away. | |
4869 | */ | |
4870 | set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); | |
4871 | set_bit(DF_RELOGIN, &ddb_entry->flags); | |
4872 | } | |
4873 | ||
4874 | exit_setup: | |
4875 | return ret; | |
4876 | } | |
4877 | ||
4878 | static void qla4xxx_build_nt_list(struct scsi_qla_host *ha, | |
4879 | struct list_head *list_nt, int is_reset) | |
4880 | { | |
4881 | struct dev_db_entry *fw_ddb_entry; | |
4882 | dma_addr_t fw_ddb_dma; | |
4883 | int max_ddbs; | |
4884 | int fw_idx_size; | |
4885 | int ret; | |
4886 | uint32_t idx = 0, next_idx = 0; | |
4887 | uint32_t state = 0, conn_err = 0; | |
4888 | uint16_t conn_id = 0; | |
4889 | struct qla_ddb_index *nt_ddb_idx; | |
4890 | ||
4891 | fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, | |
4892 | &fw_ddb_dma); | |
4893 | if (fw_ddb_entry == NULL) { | |
4894 | DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); | |
4895 | goto exit_nt_list; | |
13483730 | 4896 | } |
4a4bc2e9 LC |
4897 | max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : |
4898 | MAX_DEV_DB_ENTRIES; | |
4899 | fw_idx_size = sizeof(struct qla_ddb_index); | |
13483730 MC |
4900 | |
4901 | for (idx = 0; idx < max_ddbs; idx = next_idx) { | |
4a4bc2e9 LC |
4902 | ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, |
4903 | NULL, &next_idx, &state, | |
4904 | &conn_err, NULL, &conn_id); | |
13483730 MC |
4905 | if (ret == QLA_ERROR) |
4906 | break; | |
4907 | ||
4908 | if (qla4xxx_verify_boot_idx(ha, idx) != QLA_SUCCESS) | |
4909 | goto continue_next_nt; | |
4910 | ||
4911 | /* Check if NT, then add to list it */ | |
4912 | if (strlen((char *) fw_ddb_entry->iscsi_name) == 0) | |
4913 | goto continue_next_nt; | |
4914 | ||
4a4bc2e9 LC |
4915 | if (!(state == DDB_DS_NO_CONNECTION_ACTIVE || |
4916 | state == DDB_DS_SESSION_FAILED)) | |
4917 | goto continue_next_nt; | |
13483730 | 4918 | |
4a4bc2e9 LC |
4919 | DEBUG2(ql4_printk(KERN_INFO, ha, |
4920 | "Adding DDB to session = 0x%x\n", idx)); | |
4921 | if (is_reset == INIT_ADAPTER) { | |
4922 | nt_ddb_idx = vmalloc(fw_idx_size); | |
4923 | if (!nt_ddb_idx) | |
4924 | break; | |
13483730 | 4925 | |
4a4bc2e9 | 4926 | nt_ddb_idx->fw_ddb_idx = idx; |
13483730 | 4927 | |
1cb78d73 VC |
4928 | /* Copy original isid as it may get updated in function |
4929 | * qla4xxx_update_isid(). We need original isid in | |
4930 | * function qla4xxx_compare_tuple_ddb to find duplicate | |
4931 | * target */ | |
4932 | memcpy(&nt_ddb_idx->flash_isid[0], | |
4933 | &fw_ddb_entry->isid[0], | |
4934 | sizeof(nt_ddb_idx->flash_isid)); | |
4935 | ||
4936 | ret = qla4xxx_is_flash_ddb_exists(ha, list_nt, | |
4937 | fw_ddb_entry); | |
4938 | if (ret == QLA_SUCCESS) { | |
4939 | /* free nt_ddb_idx and do not add to list_nt */ | |
4a4bc2e9 LC |
4940 | vfree(nt_ddb_idx); |
4941 | goto continue_next_nt; | |
13483730 | 4942 | } |
1cb78d73 VC |
4943 | |
4944 | /* Copy updated isid */ | |
4945 | memcpy(&nt_ddb_idx->fw_ddb, fw_ddb_entry, | |
4946 | sizeof(struct dev_db_entry)); | |
4947 | ||
4a4bc2e9 LC |
4948 | list_add_tail(&nt_ddb_idx->list, list_nt); |
4949 | } else if (is_reset == RESET_ADAPTER) { | |
4950 | if (qla4xxx_is_session_exists(ha, fw_ddb_entry) == | |
4951 | QLA_SUCCESS) | |
4952 | goto continue_next_nt; | |
13483730 | 4953 | } |
4a4bc2e9 LC |
4954 | |
4955 | ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, is_reset); | |
4956 | if (ret == QLA_ERROR) | |
4957 | goto exit_nt_list; | |
4958 | ||
13483730 MC |
4959 | continue_next_nt: |
4960 | if (next_idx == 0) | |
4961 | break; | |
4962 | } | |
4a4bc2e9 LC |
4963 | |
4964 | exit_nt_list: | |
13483730 MC |
4965 | if (fw_ddb_entry) |
4966 | dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); | |
4a4bc2e9 LC |
4967 | } |
4968 | ||
4969 | /** | |
4970 | * qla4xxx_build_ddb_list - Build ddb list and setup sessions | |
4971 | * @ha: pointer to adapter structure | |
4972 | * @is_reset: Is this init path or reset path | |
4973 | * | |
4974 | * Create a list of sendtargets (st) from firmware DDBs, issue send targets | |
4975 | * using connection open, then create the list of normal targets (nt) | |
4976 | * from firmware DDBs. Based on the list of nt setup session and connection | |
4977 | * objects. | |
4978 | **/ | |
4979 | void qla4xxx_build_ddb_list(struct scsi_qla_host *ha, int is_reset) | |
4980 | { | |
4981 | uint16_t tmo = 0; | |
4982 | struct list_head list_st, list_nt; | |
4983 | struct qla_ddb_index *st_ddb_idx, *st_ddb_idx_tmp; | |
4984 | unsigned long wtime; | |
4985 | ||
4986 | if (!test_bit(AF_LINK_UP, &ha->flags)) { | |
4987 | set_bit(AF_BUILD_DDB_LIST, &ha->flags); | |
4988 | ha->is_reset = is_reset; | |
4989 | return; | |
4990 | } | |
4991 | ||
4992 | INIT_LIST_HEAD(&list_st); | |
4993 | INIT_LIST_HEAD(&list_nt); | |
4994 | ||
4995 | qla4xxx_build_st_list(ha, &list_st); | |
4996 | ||
4997 | /* Before issuing conn open mbox, ensure all IPs states are configured | |
4998 | * Note, conn open fails if IPs are not configured | |
4999 | */ | |
5000 | qla4xxx_wait_for_ip_configuration(ha); | |
5001 | ||
5002 | /* Go thru the STs and fire the sendtargets by issuing conn open mbx */ | |
5003 | list_for_each_entry_safe(st_ddb_idx, st_ddb_idx_tmp, &list_st, list) { | |
5004 | qla4xxx_conn_open(ha, st_ddb_idx->fw_ddb_idx); | |
5005 | } | |
5006 | ||
5007 | /* Wait to ensure all sendtargets are done for min 12 sec wait */ | |
c28eaaca NJ |
5008 | tmo = ((ha->def_timeout > LOGIN_TOV) && |
5009 | (ha->def_timeout < LOGIN_TOV * 10) ? | |
5010 | ha->def_timeout : LOGIN_TOV); | |
5011 | ||
4a4bc2e9 LC |
5012 | DEBUG2(ql4_printk(KERN_INFO, ha, |
5013 | "Default time to wait for build ddb %d\n", tmo)); | |
5014 | ||
5015 | wtime = jiffies + (HZ * tmo); | |
5016 | do { | |
f1f2e60e NJ |
5017 | if (list_empty(&list_st)) |
5018 | break; | |
5019 | ||
4a4bc2e9 LC |
5020 | qla4xxx_remove_failed_ddb(ha, &list_st); |
5021 | schedule_timeout_uninterruptible(HZ / 10); | |
5022 | } while (time_after(wtime, jiffies)); | |
5023 | ||
5024 | /* Free up the sendtargets list */ | |
5025 | qla4xxx_free_ddb_list(&list_st); | |
5026 | ||
5027 | qla4xxx_build_nt_list(ha, &list_nt, is_reset); | |
5028 | ||
5029 | qla4xxx_free_ddb_list(&list_nt); | |
13483730 MC |
5030 | |
5031 | qla4xxx_free_ddb_index(ha); | |
5032 | } | |
5033 | ||
afaf5a2d DS |
5034 | /** |
5035 | * qla4xxx_probe_adapter - callback function to probe HBA | |
5036 | * @pdev: pointer to pci_dev structure | |
5037 | * @pci_device_id: pointer to pci_device entry | |
5038 | * | |
5039 | * This routine will probe for Qlogic 4xxx iSCSI host adapters. | |
5040 | * It returns zero if successful. It also initializes all data necessary for | |
5041 | * the driver. | |
5042 | **/ | |
5043 | static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev, | |
5044 | const struct pci_device_id *ent) | |
5045 | { | |
5046 | int ret = -ENODEV, status; | |
5047 | struct Scsi_Host *host; | |
5048 | struct scsi_qla_host *ha; | |
afaf5a2d DS |
5049 | uint8_t init_retry_count = 0; |
5050 | char buf[34]; | |
f4f5df23 | 5051 | struct qla4_8xxx_legacy_intr_set *nx_legacy_intr; |
f9880e76 | 5052 | uint32_t dev_state; |
afaf5a2d DS |
5053 | |
5054 | if (pci_enable_device(pdev)) | |
5055 | return -1; | |
5056 | ||
b3a271a9 | 5057 | host = iscsi_host_alloc(&qla4xxx_driver_template, sizeof(*ha), 0); |
afaf5a2d DS |
5058 | if (host == NULL) { |
5059 | printk(KERN_WARNING | |
5060 | "qla4xxx: Couldn't allocate host from scsi layer!\n"); | |
5061 | goto probe_disable_device; | |
5062 | } | |
5063 | ||
5064 | /* Clear our data area */ | |
b3a271a9 | 5065 | ha = to_qla_host(host); |
afaf5a2d DS |
5066 | memset(ha, 0, sizeof(*ha)); |
5067 | ||
5068 | /* Save the information from PCI BIOS. */ | |
5069 | ha->pdev = pdev; | |
5070 | ha->host = host; | |
5071 | ha->host_no = host->host_no; | |
5072 | ||
2232be0d LC |
5073 | pci_enable_pcie_error_reporting(pdev); |
5074 | ||
f4f5df23 VC |
5075 | /* Setup Runtime configurable options */ |
5076 | if (is_qla8022(ha)) { | |
5077 | ha->isp_ops = &qla4_8xxx_isp_ops; | |
5078 | rwlock_init(&ha->hw_lock); | |
5079 | ha->qdr_sn_window = -1; | |
5080 | ha->ddr_mn_window = -1; | |
5081 | ha->curr_window = 255; | |
5082 | ha->func_num = PCI_FUNC(ha->pdev->devfn); | |
5083 | nx_legacy_intr = &legacy_intr[ha->func_num]; | |
5084 | ha->nx_legacy_intr.int_vec_bit = nx_legacy_intr->int_vec_bit; | |
5085 | ha->nx_legacy_intr.tgt_status_reg = | |
5086 | nx_legacy_intr->tgt_status_reg; | |
5087 | ha->nx_legacy_intr.tgt_mask_reg = nx_legacy_intr->tgt_mask_reg; | |
5088 | ha->nx_legacy_intr.pci_int_reg = nx_legacy_intr->pci_int_reg; | |
5089 | } else { | |
5090 | ha->isp_ops = &qla4xxx_isp_ops; | |
5091 | } | |
5092 | ||
2232be0d LC |
5093 | /* Set EEH reset type to fundamental if required by hba */ |
5094 | if (is_qla8022(ha)) | |
5095 | pdev->needs_freset = 1; | |
5096 | ||
afaf5a2d | 5097 | /* Configure PCI I/O space. */ |
f4f5df23 | 5098 | ret = ha->isp_ops->iospace_config(ha); |
afaf5a2d | 5099 | if (ret) |
f4f5df23 | 5100 | goto probe_failed_ioconfig; |
afaf5a2d | 5101 | |
c2660df3 | 5102 | ql4_printk(KERN_INFO, ha, "Found an ISP%04x, irq %d, iobase 0x%p\n", |
afaf5a2d DS |
5103 | pdev->device, pdev->irq, ha->reg); |
5104 | ||
5105 | qla4xxx_config_dma_addressing(ha); | |
5106 | ||
5107 | /* Initialize lists and spinlocks. */ | |
afaf5a2d DS |
5108 | INIT_LIST_HEAD(&ha->free_srb_q); |
5109 | ||
5110 | mutex_init(&ha->mbox_sem); | |
4549415a | 5111 | mutex_init(&ha->chap_sem); |
f4f5df23 | 5112 | init_completion(&ha->mbx_intr_comp); |
95d31262 | 5113 | init_completion(&ha->disable_acb_comp); |
afaf5a2d DS |
5114 | |
5115 | spin_lock_init(&ha->hardware_lock); | |
8e9157c8 | 5116 | spin_lock_init(&ha->work_lock); |
afaf5a2d | 5117 | |
ff884430 VC |
5118 | /* Initialize work list */ |
5119 | INIT_LIST_HEAD(&ha->work_list); | |
5120 | ||
afaf5a2d DS |
5121 | /* Allocate dma buffers */ |
5122 | if (qla4xxx_mem_alloc(ha)) { | |
c2660df3 VC |
5123 | ql4_printk(KERN_WARNING, ha, |
5124 | "[ERROR] Failed to allocate memory for adapter\n"); | |
afaf5a2d DS |
5125 | |
5126 | ret = -ENOMEM; | |
5127 | goto probe_failed; | |
5128 | } | |
5129 | ||
b3a271a9 MR |
5130 | host->cmd_per_lun = 3; |
5131 | host->max_channel = 0; | |
5132 | host->max_lun = MAX_LUNS - 1; | |
5133 | host->max_id = MAX_TARGETS; | |
5134 | host->max_cmd_len = IOCB_MAX_CDB_LEN; | |
5135 | host->can_queue = MAX_SRBS ; | |
5136 | host->transportt = qla4xxx_scsi_transport; | |
5137 | ||
5138 | ret = scsi_init_shared_tag_map(host, MAX_SRBS); | |
5139 | if (ret) { | |
5140 | ql4_printk(KERN_WARNING, ha, | |
5141 | "%s: scsi_init_shared_tag_map failed\n", __func__); | |
5142 | goto probe_failed; | |
5143 | } | |
5144 | ||
5145 | pci_set_drvdata(pdev, ha); | |
5146 | ||
5147 | ret = scsi_add_host(host, &pdev->dev); | |
5148 | if (ret) | |
5149 | goto probe_failed; | |
5150 | ||
f4f5df23 VC |
5151 | if (is_qla8022(ha)) |
5152 | (void) qla4_8xxx_get_flash_info(ha); | |
5153 | ||
afaf5a2d DS |
5154 | /* |
5155 | * Initialize the Host adapter request/response queues and | |
5156 | * firmware | |
5157 | * NOTE: interrupts enabled upon successful completion | |
5158 | */ | |
13483730 | 5159 | status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER); |
f4f5df23 VC |
5160 | while ((!test_bit(AF_ONLINE, &ha->flags)) && |
5161 | init_retry_count++ < MAX_INIT_RETRIES) { | |
f9880e76 PM |
5162 | |
5163 | if (is_qla8022(ha)) { | |
5164 | qla4_8xxx_idc_lock(ha); | |
5165 | dev_state = qla4_8xxx_rd_32(ha, QLA82XX_CRB_DEV_STATE); | |
5166 | qla4_8xxx_idc_unlock(ha); | |
5167 | if (dev_state == QLA82XX_DEV_FAILED) { | |
5168 | ql4_printk(KERN_WARNING, ha, "%s: don't retry " | |
5169 | "initialize adapter. H/W is in failed state\n", | |
5170 | __func__); | |
5171 | break; | |
5172 | } | |
5173 | } | |
afaf5a2d DS |
5174 | DEBUG2(printk("scsi: %s: retrying adapter initialization " |
5175 | "(%d)\n", __func__, init_retry_count)); | |
f4f5df23 VC |
5176 | |
5177 | if (ha->isp_ops->reset_chip(ha) == QLA_ERROR) | |
5178 | continue; | |
5179 | ||
13483730 | 5180 | status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER); |
afaf5a2d | 5181 | } |
f4f5df23 VC |
5182 | |
5183 | if (!test_bit(AF_ONLINE, &ha->flags)) { | |
c2660df3 | 5184 | ql4_printk(KERN_WARNING, ha, "Failed to initialize adapter\n"); |
afaf5a2d | 5185 | |
fe998527 LC |
5186 | if (is_qla8022(ha) && ql4xdontresethba) { |
5187 | /* Put the device in failed state. */ | |
5188 | DEBUG2(printk(KERN_ERR "HW STATE: FAILED\n")); | |
5189 | qla4_8xxx_idc_lock(ha); | |
5190 | qla4_8xxx_wr_32(ha, QLA82XX_CRB_DEV_STATE, | |
5191 | QLA82XX_DEV_FAILED); | |
5192 | qla4_8xxx_idc_unlock(ha); | |
5193 | } | |
afaf5a2d | 5194 | ret = -ENODEV; |
b3a271a9 | 5195 | goto remove_host; |
afaf5a2d DS |
5196 | } |
5197 | ||
afaf5a2d DS |
5198 | /* Startup the kernel thread for this host adapter. */ |
5199 | DEBUG2(printk("scsi: %s: Starting kernel thread for " | |
5200 | "qla4xxx_dpc\n", __func__)); | |
5201 | sprintf(buf, "qla4xxx_%lu_dpc", ha->host_no); | |
5202 | ha->dpc_thread = create_singlethread_workqueue(buf); | |
5203 | if (!ha->dpc_thread) { | |
c2660df3 | 5204 | ql4_printk(KERN_WARNING, ha, "Unable to start DPC thread!\n"); |
afaf5a2d | 5205 | ret = -ENODEV; |
b3a271a9 | 5206 | goto remove_host; |
afaf5a2d | 5207 | } |
c4028958 | 5208 | INIT_WORK(&ha->dpc_work, qla4xxx_do_dpc); |
afaf5a2d | 5209 | |
b3a271a9 MR |
5210 | sprintf(buf, "qla4xxx_%lu_task", ha->host_no); |
5211 | ha->task_wq = alloc_workqueue(buf, WQ_MEM_RECLAIM, 1); | |
5212 | if (!ha->task_wq) { | |
5213 | ql4_printk(KERN_WARNING, ha, "Unable to start task thread!\n"); | |
5214 | ret = -ENODEV; | |
5215 | goto remove_host; | |
5216 | } | |
5217 | ||
f4f5df23 VC |
5218 | /* For ISP-82XX, request_irqs is called in qla4_8xxx_load_risc |
5219 | * (which is called indirectly by qla4xxx_initialize_adapter), | |
5220 | * so that irqs will be registered after crbinit but before | |
5221 | * mbx_intr_enable. | |
5222 | */ | |
5223 | if (!is_qla8022(ha)) { | |
5224 | ret = qla4xxx_request_irqs(ha); | |
5225 | if (ret) { | |
5226 | ql4_printk(KERN_WARNING, ha, "Failed to reserve " | |
5227 | "interrupt %d already in use.\n", pdev->irq); | |
b3a271a9 | 5228 | goto remove_host; |
f4f5df23 | 5229 | } |
afaf5a2d | 5230 | } |
afaf5a2d | 5231 | |
2232be0d | 5232 | pci_save_state(ha->pdev); |
f4f5df23 | 5233 | ha->isp_ops->enable_intrs(ha); |
afaf5a2d DS |
5234 | |
5235 | /* Start timer thread. */ | |
5236 | qla4xxx_start_timer(ha, qla4xxx_timer, 1); | |
5237 | ||
5238 | set_bit(AF_INIT_DONE, &ha->flags); | |
5239 | ||
068237c8 TP |
5240 | qla4_8xxx_alloc_sysfs_attr(ha); |
5241 | ||
afaf5a2d DS |
5242 | printk(KERN_INFO |
5243 | " QLogic iSCSI HBA Driver version: %s\n" | |
5244 | " QLogic ISP%04x @ %s, host#=%ld, fw=%02d.%02d.%02d.%02d\n", | |
5245 | qla4xxx_version_str, ha->pdev->device, pci_name(ha->pdev), | |
5246 | ha->host_no, ha->firmware_version[0], ha->firmware_version[1], | |
5247 | ha->patch_number, ha->build_number); | |
ed1086e0 | 5248 | |
2a991c21 | 5249 | if (qla4xxx_setup_boot_info(ha)) |
3573bfb2 VC |
5250 | ql4_printk(KERN_ERR, ha, |
5251 | "%s: No iSCSI boot target configured\n", __func__); | |
2a991c21 | 5252 | |
13483730 MC |
5253 | /* Perform the build ddb list and login to each */ |
5254 | qla4xxx_build_ddb_list(ha, INIT_ADAPTER); | |
5255 | iscsi_host_for_each_session(ha->host, qla4xxx_login_flash_ddb); | |
5256 | ||
5257 | qla4xxx_create_chap_list(ha); | |
5258 | ||
ed1086e0 | 5259 | qla4xxx_create_ifaces(ha); |
afaf5a2d DS |
5260 | return 0; |
5261 | ||
b3a271a9 MR |
5262 | remove_host: |
5263 | scsi_remove_host(ha->host); | |
5264 | ||
afaf5a2d DS |
5265 | probe_failed: |
5266 | qla4xxx_free_adapter(ha); | |
f4f5df23 VC |
5267 | |
5268 | probe_failed_ioconfig: | |
2232be0d | 5269 | pci_disable_pcie_error_reporting(pdev); |
afaf5a2d DS |
5270 | scsi_host_put(ha->host); |
5271 | ||
5272 | probe_disable_device: | |
5273 | pci_disable_device(pdev); | |
5274 | ||
5275 | return ret; | |
5276 | } | |
5277 | ||
7eece5a0 KH |
5278 | /** |
5279 | * qla4xxx_prevent_other_port_reinit - prevent other port from re-initialize | |
5280 | * @ha: pointer to adapter structure | |
5281 | * | |
5282 | * Mark the other ISP-4xxx port to indicate that the driver is being removed, | |
5283 | * so that the other port will not re-initialize while in the process of | |
5284 | * removing the ha due to driver unload or hba hotplug. | |
5285 | **/ | |
5286 | static void qla4xxx_prevent_other_port_reinit(struct scsi_qla_host *ha) | |
5287 | { | |
5288 | struct scsi_qla_host *other_ha = NULL; | |
5289 | struct pci_dev *other_pdev = NULL; | |
5290 | int fn = ISP4XXX_PCI_FN_2; | |
5291 | ||
5292 | /*iscsi function numbers for ISP4xxx is 1 and 3*/ | |
5293 | if (PCI_FUNC(ha->pdev->devfn) & BIT_1) | |
5294 | fn = ISP4XXX_PCI_FN_1; | |
5295 | ||
5296 | other_pdev = | |
5297 | pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus), | |
5298 | ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn), | |
5299 | fn)); | |
5300 | ||
5301 | /* Get other_ha if other_pdev is valid and state is enable*/ | |
5302 | if (other_pdev) { | |
5303 | if (atomic_read(&other_pdev->enable_cnt)) { | |
5304 | other_ha = pci_get_drvdata(other_pdev); | |
5305 | if (other_ha) { | |
5306 | set_bit(AF_HA_REMOVAL, &other_ha->flags); | |
5307 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: " | |
5308 | "Prevent %s reinit\n", __func__, | |
5309 | dev_name(&other_ha->pdev->dev))); | |
5310 | } | |
5311 | } | |
5312 | pci_dev_put(other_pdev); | |
5313 | } | |
5314 | } | |
5315 | ||
13483730 MC |
5316 | static void qla4xxx_destroy_fw_ddb_session(struct scsi_qla_host *ha) |
5317 | { | |
5318 | struct ddb_entry *ddb_entry; | |
5319 | int options; | |
5320 | int idx; | |
5321 | ||
5322 | for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { | |
5323 | ||
5324 | ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); | |
5325 | if ((ddb_entry != NULL) && | |
5326 | (ddb_entry->ddb_type == FLASH_DDB)) { | |
5327 | ||
5328 | options = LOGOUT_OPTION_CLOSE_SESSION; | |
5329 | if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) | |
5330 | == QLA_ERROR) | |
5331 | ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", | |
5332 | __func__); | |
5333 | ||
5334 | qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); | |
5335 | /* | |
5336 | * we have decremented the reference count of the driver | |
5337 | * when we setup the session to have the driver unload | |
5338 | * to be seamless without actually destroying the | |
5339 | * session | |
5340 | **/ | |
5341 | try_module_get(qla4xxx_iscsi_transport.owner); | |
5342 | iscsi_destroy_endpoint(ddb_entry->conn->ep); | |
5343 | qla4xxx_free_ddb(ha, ddb_entry); | |
5344 | iscsi_session_teardown(ddb_entry->sess); | |
5345 | } | |
5346 | } | |
5347 | } | |
afaf5a2d DS |
5348 | /** |
5349 | * qla4xxx_remove_adapter - calback function to remove adapter. | |
5350 | * @pci_dev: PCI device pointer | |
5351 | **/ | |
5352 | static void __devexit qla4xxx_remove_adapter(struct pci_dev *pdev) | |
5353 | { | |
5354 | struct scsi_qla_host *ha; | |
5355 | ||
5356 | ha = pci_get_drvdata(pdev); | |
5357 | ||
7eece5a0 KH |
5358 | if (!is_qla8022(ha)) |
5359 | qla4xxx_prevent_other_port_reinit(ha); | |
bee4fe8e | 5360 | |
ed1086e0 VC |
5361 | /* destroy iface from sysfs */ |
5362 | qla4xxx_destroy_ifaces(ha); | |
5363 | ||
13483730 | 5364 | if ((!ql4xdisablesysfsboot) && ha->boot_kset) |
2a991c21 MR |
5365 | iscsi_boot_destroy_kset(ha->boot_kset); |
5366 | ||
13483730 | 5367 | qla4xxx_destroy_fw_ddb_session(ha); |
068237c8 | 5368 | qla4_8xxx_free_sysfs_attr(ha); |
13483730 | 5369 | |
afaf5a2d DS |
5370 | scsi_remove_host(ha->host); |
5371 | ||
5372 | qla4xxx_free_adapter(ha); | |
5373 | ||
5374 | scsi_host_put(ha->host); | |
5375 | ||
2232be0d | 5376 | pci_disable_pcie_error_reporting(pdev); |
f4f5df23 | 5377 | pci_disable_device(pdev); |
afaf5a2d DS |
5378 | pci_set_drvdata(pdev, NULL); |
5379 | } | |
5380 | ||
5381 | /** | |
5382 | * qla4xxx_config_dma_addressing() - Configure OS DMA addressing method. | |
5383 | * @ha: HA context | |
5384 | * | |
5385 | * At exit, the @ha's flags.enable_64bit_addressing set to indicated | |
5386 | * supported addressing method. | |
5387 | */ | |
47975477 | 5388 | static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha) |
afaf5a2d DS |
5389 | { |
5390 | int retval; | |
5391 | ||
5392 | /* Update our PCI device dma_mask for full 64 bit mask */ | |
6a35528a YH |
5393 | if (pci_set_dma_mask(ha->pdev, DMA_BIT_MASK(64)) == 0) { |
5394 | if (pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) { | |
afaf5a2d DS |
5395 | dev_dbg(&ha->pdev->dev, |
5396 | "Failed to set 64 bit PCI consistent mask; " | |
5397 | "using 32 bit.\n"); | |
5398 | retval = pci_set_consistent_dma_mask(ha->pdev, | |
284901a9 | 5399 | DMA_BIT_MASK(32)); |
afaf5a2d DS |
5400 | } |
5401 | } else | |
284901a9 | 5402 | retval = pci_set_dma_mask(ha->pdev, DMA_BIT_MASK(32)); |
afaf5a2d DS |
5403 | } |
5404 | ||
5405 | static int qla4xxx_slave_alloc(struct scsi_device *sdev) | |
5406 | { | |
b3a271a9 MR |
5407 | struct iscsi_cls_session *cls_sess; |
5408 | struct iscsi_session *sess; | |
5409 | struct ddb_entry *ddb; | |
8bb4033d | 5410 | int queue_depth = QL4_DEF_QDEPTH; |
afaf5a2d | 5411 | |
b3a271a9 MR |
5412 | cls_sess = starget_to_session(sdev->sdev_target); |
5413 | sess = cls_sess->dd_data; | |
5414 | ddb = sess->dd_data; | |
5415 | ||
afaf5a2d DS |
5416 | sdev->hostdata = ddb; |
5417 | sdev->tagged_supported = 1; | |
8bb4033d VC |
5418 | |
5419 | if (ql4xmaxqdepth != 0 && ql4xmaxqdepth <= 0xffffU) | |
5420 | queue_depth = ql4xmaxqdepth; | |
5421 | ||
5422 | scsi_activate_tcq(sdev, queue_depth); | |
afaf5a2d DS |
5423 | return 0; |
5424 | } | |
5425 | ||
5426 | static int qla4xxx_slave_configure(struct scsi_device *sdev) | |
5427 | { | |
5428 | sdev->tagged_supported = 1; | |
5429 | return 0; | |
5430 | } | |
5431 | ||
5432 | static void qla4xxx_slave_destroy(struct scsi_device *sdev) | |
5433 | { | |
5434 | scsi_deactivate_tcq(sdev, 1); | |
5435 | } | |
5436 | ||
f7b4aa63 TP |
5437 | static int qla4xxx_change_queue_depth(struct scsi_device *sdev, int qdepth, |
5438 | int reason) | |
5439 | { | |
5440 | if (!ql4xqfulltracking) | |
5441 | return -EOPNOTSUPP; | |
5442 | ||
5443 | return iscsi_change_queue_depth(sdev, qdepth, reason); | |
5444 | } | |
5445 | ||
afaf5a2d DS |
5446 | /** |
5447 | * qla4xxx_del_from_active_array - returns an active srb | |
5448 | * @ha: Pointer to host adapter structure. | |
fd589a8f | 5449 | * @index: index into the active_array |
afaf5a2d DS |
5450 | * |
5451 | * This routine removes and returns the srb at the specified index | |
5452 | **/ | |
f4f5df23 VC |
5453 | struct srb *qla4xxx_del_from_active_array(struct scsi_qla_host *ha, |
5454 | uint32_t index) | |
afaf5a2d DS |
5455 | { |
5456 | struct srb *srb = NULL; | |
5369887a | 5457 | struct scsi_cmnd *cmd = NULL; |
afaf5a2d | 5458 | |
5369887a VC |
5459 | cmd = scsi_host_find_tag(ha->host, index); |
5460 | if (!cmd) | |
afaf5a2d DS |
5461 | return srb; |
5462 | ||
5369887a VC |
5463 | srb = (struct srb *)CMD_SP(cmd); |
5464 | if (!srb) | |
afaf5a2d DS |
5465 | return srb; |
5466 | ||
5467 | /* update counters */ | |
5468 | if (srb->flags & SRB_DMA_VALID) { | |
5469 | ha->req_q_count += srb->iocb_cnt; | |
5470 | ha->iocb_cnt -= srb->iocb_cnt; | |
5471 | if (srb->cmd) | |
5369887a VC |
5472 | srb->cmd->host_scribble = |
5473 | (unsigned char *)(unsigned long) MAX_SRBS; | |
afaf5a2d DS |
5474 | } |
5475 | return srb; | |
5476 | } | |
5477 | ||
afaf5a2d DS |
5478 | /** |
5479 | * qla4xxx_eh_wait_on_command - waits for command to be returned by firmware | |
09a0f719 | 5480 | * @ha: Pointer to host adapter structure. |
afaf5a2d DS |
5481 | * @cmd: Scsi Command to wait on. |
5482 | * | |
5483 | * This routine waits for the command to be returned by the Firmware | |
5484 | * for some max time. | |
5485 | **/ | |
5486 | static int qla4xxx_eh_wait_on_command(struct scsi_qla_host *ha, | |
5487 | struct scsi_cmnd *cmd) | |
5488 | { | |
5489 | int done = 0; | |
5490 | struct srb *rp; | |
5491 | uint32_t max_wait_time = EH_WAIT_CMD_TOV; | |
2232be0d LC |
5492 | int ret = SUCCESS; |
5493 | ||
5494 | /* Dont wait on command if PCI error is being handled | |
5495 | * by PCI AER driver | |
5496 | */ | |
5497 | if (unlikely(pci_channel_offline(ha->pdev)) || | |
5498 | (test_bit(AF_EEH_BUSY, &ha->flags))) { | |
5499 | ql4_printk(KERN_WARNING, ha, "scsi%ld: Return from %s\n", | |
5500 | ha->host_no, __func__); | |
5501 | return ret; | |
5502 | } | |
afaf5a2d DS |
5503 | |
5504 | do { | |
5505 | /* Checking to see if its returned to OS */ | |
5369887a | 5506 | rp = (struct srb *) CMD_SP(cmd); |
afaf5a2d DS |
5507 | if (rp == NULL) { |
5508 | done++; | |
5509 | break; | |
5510 | } | |
5511 | ||
5512 | msleep(2000); | |
5513 | } while (max_wait_time--); | |
5514 | ||
5515 | return done; | |
5516 | } | |
5517 | ||
5518 | /** | |
5519 | * qla4xxx_wait_for_hba_online - waits for HBA to come online | |
5520 | * @ha: Pointer to host adapter structure | |
5521 | **/ | |
5522 | static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha) | |
5523 | { | |
5524 | unsigned long wait_online; | |
5525 | ||
f581a3f7 | 5526 | wait_online = jiffies + (HBA_ONLINE_TOV * HZ); |
afaf5a2d DS |
5527 | while (time_before(jiffies, wait_online)) { |
5528 | ||
5529 | if (adapter_up(ha)) | |
5530 | return QLA_SUCCESS; | |
afaf5a2d DS |
5531 | |
5532 | msleep(2000); | |
5533 | } | |
5534 | ||
5535 | return QLA_ERROR; | |
5536 | } | |
5537 | ||
5538 | /** | |
ce545039 | 5539 | * qla4xxx_eh_wait_for_commands - wait for active cmds to finish. |
fd589a8f | 5540 | * @ha: pointer to HBA |
afaf5a2d DS |
5541 | * @t: target id |
5542 | * @l: lun id | |
5543 | * | |
5544 | * This function waits for all outstanding commands to a lun to complete. It | |
5545 | * returns 0 if all pending commands are returned and 1 otherwise. | |
5546 | **/ | |
ce545039 MC |
5547 | static int qla4xxx_eh_wait_for_commands(struct scsi_qla_host *ha, |
5548 | struct scsi_target *stgt, | |
5549 | struct scsi_device *sdev) | |
afaf5a2d DS |
5550 | { |
5551 | int cnt; | |
5552 | int status = 0; | |
5553 | struct scsi_cmnd *cmd; | |
5554 | ||
5555 | /* | |
ce545039 MC |
5556 | * Waiting for all commands for the designated target or dev |
5557 | * in the active array | |
afaf5a2d DS |
5558 | */ |
5559 | for (cnt = 0; cnt < ha->host->can_queue; cnt++) { | |
5560 | cmd = scsi_host_find_tag(ha->host, cnt); | |
ce545039 MC |
5561 | if (cmd && stgt == scsi_target(cmd->device) && |
5562 | (!sdev || sdev == cmd->device)) { | |
afaf5a2d DS |
5563 | if (!qla4xxx_eh_wait_on_command(ha, cmd)) { |
5564 | status++; | |
5565 | break; | |
5566 | } | |
5567 | } | |
5568 | } | |
5569 | return status; | |
5570 | } | |
5571 | ||
09a0f719 VC |
5572 | /** |
5573 | * qla4xxx_eh_abort - callback for abort task. | |
5574 | * @cmd: Pointer to Linux's SCSI command structure | |
5575 | * | |
5576 | * This routine is called by the Linux OS to abort the specified | |
5577 | * command. | |
5578 | **/ | |
5579 | static int qla4xxx_eh_abort(struct scsi_cmnd *cmd) | |
5580 | { | |
5581 | struct scsi_qla_host *ha = to_qla_host(cmd->device->host); | |
5582 | unsigned int id = cmd->device->id; | |
5583 | unsigned int lun = cmd->device->lun; | |
92b3e5bb | 5584 | unsigned long flags; |
09a0f719 VC |
5585 | struct srb *srb = NULL; |
5586 | int ret = SUCCESS; | |
5587 | int wait = 0; | |
5588 | ||
c2660df3 | 5589 | ql4_printk(KERN_INFO, ha, |
5cd049a5 CH |
5590 | "scsi%ld:%d:%d: Abort command issued cmd=%p\n", |
5591 | ha->host_no, id, lun, cmd); | |
09a0f719 | 5592 | |
92b3e5bb | 5593 | spin_lock_irqsave(&ha->hardware_lock, flags); |
09a0f719 | 5594 | srb = (struct srb *) CMD_SP(cmd); |
92b3e5bb MC |
5595 | if (!srb) { |
5596 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
09a0f719 | 5597 | return SUCCESS; |
92b3e5bb | 5598 | } |
09a0f719 | 5599 | kref_get(&srb->srb_ref); |
92b3e5bb | 5600 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
09a0f719 VC |
5601 | |
5602 | if (qla4xxx_abort_task(ha, srb) != QLA_SUCCESS) { | |
5603 | DEBUG3(printk("scsi%ld:%d:%d: Abort_task mbx failed.\n", | |
5604 | ha->host_no, id, lun)); | |
5605 | ret = FAILED; | |
5606 | } else { | |
5607 | DEBUG3(printk("scsi%ld:%d:%d: Abort_task mbx success.\n", | |
5608 | ha->host_no, id, lun)); | |
5609 | wait = 1; | |
5610 | } | |
5611 | ||
5612 | kref_put(&srb->srb_ref, qla4xxx_srb_compl); | |
5613 | ||
5614 | /* Wait for command to complete */ | |
5615 | if (wait) { | |
5616 | if (!qla4xxx_eh_wait_on_command(ha, cmd)) { | |
5617 | DEBUG2(printk("scsi%ld:%d:%d: Abort handler timed out\n", | |
5618 | ha->host_no, id, lun)); | |
5619 | ret = FAILED; | |
5620 | } | |
5621 | } | |
5622 | ||
c2660df3 | 5623 | ql4_printk(KERN_INFO, ha, |
09a0f719 | 5624 | "scsi%ld:%d:%d: Abort command - %s\n", |
25985edc | 5625 | ha->host_no, id, lun, (ret == SUCCESS) ? "succeeded" : "failed"); |
09a0f719 VC |
5626 | |
5627 | return ret; | |
5628 | } | |
5629 | ||
afaf5a2d DS |
5630 | /** |
5631 | * qla4xxx_eh_device_reset - callback for target reset. | |
5632 | * @cmd: Pointer to Linux's SCSI command structure | |
5633 | * | |
5634 | * This routine is called by the Linux OS to reset all luns on the | |
5635 | * specified target. | |
5636 | **/ | |
5637 | static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd) | |
5638 | { | |
5639 | struct scsi_qla_host *ha = to_qla_host(cmd->device->host); | |
5640 | struct ddb_entry *ddb_entry = cmd->device->hostdata; | |
afaf5a2d DS |
5641 | int ret = FAILED, stat; |
5642 | ||
612f7348 | 5643 | if (!ddb_entry) |
afaf5a2d DS |
5644 | return ret; |
5645 | ||
c01be6dc MC |
5646 | ret = iscsi_block_scsi_eh(cmd); |
5647 | if (ret) | |
5648 | return ret; | |
5649 | ret = FAILED; | |
5650 | ||
c2660df3 | 5651 | ql4_printk(KERN_INFO, ha, |
afaf5a2d DS |
5652 | "scsi%ld:%d:%d:%d: DEVICE RESET ISSUED.\n", ha->host_no, |
5653 | cmd->device->channel, cmd->device->id, cmd->device->lun); | |
5654 | ||
5655 | DEBUG2(printk(KERN_INFO | |
5656 | "scsi%ld: DEVICE_RESET cmd=%p jiffies = 0x%lx, to=%x," | |
5657 | "dpc_flags=%lx, status=%x allowed=%d\n", ha->host_no, | |
242f9dcb | 5658 | cmd, jiffies, cmd->request->timeout / HZ, |
afaf5a2d DS |
5659 | ha->dpc_flags, cmd->result, cmd->allowed)); |
5660 | ||
5661 | /* FIXME: wait for hba to go online */ | |
5662 | stat = qla4xxx_reset_lun(ha, ddb_entry, cmd->device->lun); | |
5663 | if (stat != QLA_SUCCESS) { | |
c2660df3 | 5664 | ql4_printk(KERN_INFO, ha, "DEVICE RESET FAILED. %d\n", stat); |
afaf5a2d DS |
5665 | goto eh_dev_reset_done; |
5666 | } | |
5667 | ||
ce545039 MC |
5668 | if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device), |
5669 | cmd->device)) { | |
c2660df3 | 5670 | ql4_printk(KERN_INFO, ha, |
ce545039 MC |
5671 | "DEVICE RESET FAILED - waiting for " |
5672 | "commands.\n"); | |
5673 | goto eh_dev_reset_done; | |
afaf5a2d DS |
5674 | } |
5675 | ||
9d562913 DS |
5676 | /* Send marker. */ |
5677 | if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun, | |
5678 | MM_LUN_RESET) != QLA_SUCCESS) | |
5679 | goto eh_dev_reset_done; | |
5680 | ||
c2660df3 | 5681 | ql4_printk(KERN_INFO, ha, |
afaf5a2d DS |
5682 | "scsi(%ld:%d:%d:%d): DEVICE RESET SUCCEEDED.\n", |
5683 | ha->host_no, cmd->device->channel, cmd->device->id, | |
5684 | cmd->device->lun); | |
5685 | ||
5686 | ret = SUCCESS; | |
5687 | ||
5688 | eh_dev_reset_done: | |
5689 | ||
5690 | return ret; | |
5691 | } | |
5692 | ||
ce545039 MC |
5693 | /** |
5694 | * qla4xxx_eh_target_reset - callback for target reset. | |
5695 | * @cmd: Pointer to Linux's SCSI command structure | |
5696 | * | |
5697 | * This routine is called by the Linux OS to reset the target. | |
5698 | **/ | |
5699 | static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd) | |
5700 | { | |
5701 | struct scsi_qla_host *ha = to_qla_host(cmd->device->host); | |
5702 | struct ddb_entry *ddb_entry = cmd->device->hostdata; | |
c01be6dc | 5703 | int stat, ret; |
ce545039 MC |
5704 | |
5705 | if (!ddb_entry) | |
5706 | return FAILED; | |
5707 | ||
c01be6dc MC |
5708 | ret = iscsi_block_scsi_eh(cmd); |
5709 | if (ret) | |
5710 | return ret; | |
5711 | ||
ce545039 MC |
5712 | starget_printk(KERN_INFO, scsi_target(cmd->device), |
5713 | "WARM TARGET RESET ISSUED.\n"); | |
5714 | ||
5715 | DEBUG2(printk(KERN_INFO | |
5716 | "scsi%ld: TARGET_DEVICE_RESET cmd=%p jiffies = 0x%lx, " | |
5717 | "to=%x,dpc_flags=%lx, status=%x allowed=%d\n", | |
242f9dcb | 5718 | ha->host_no, cmd, jiffies, cmd->request->timeout / HZ, |
ce545039 MC |
5719 | ha->dpc_flags, cmd->result, cmd->allowed)); |
5720 | ||
5721 | stat = qla4xxx_reset_target(ha, ddb_entry); | |
5722 | if (stat != QLA_SUCCESS) { | |
5723 | starget_printk(KERN_INFO, scsi_target(cmd->device), | |
5724 | "WARM TARGET RESET FAILED.\n"); | |
5725 | return FAILED; | |
5726 | } | |
5727 | ||
ce545039 MC |
5728 | if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device), |
5729 | NULL)) { | |
5730 | starget_printk(KERN_INFO, scsi_target(cmd->device), | |
5731 | "WARM TARGET DEVICE RESET FAILED - " | |
5732 | "waiting for commands.\n"); | |
5733 | return FAILED; | |
5734 | } | |
5735 | ||
9d562913 DS |
5736 | /* Send marker. */ |
5737 | if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun, | |
5738 | MM_TGT_WARM_RESET) != QLA_SUCCESS) { | |
5739 | starget_printk(KERN_INFO, scsi_target(cmd->device), | |
5740 | "WARM TARGET DEVICE RESET FAILED - " | |
5741 | "marker iocb failed.\n"); | |
5742 | return FAILED; | |
5743 | } | |
5744 | ||
ce545039 MC |
5745 | starget_printk(KERN_INFO, scsi_target(cmd->device), |
5746 | "WARM TARGET RESET SUCCEEDED.\n"); | |
5747 | return SUCCESS; | |
5748 | } | |
5749 | ||
8a288960 SR |
5750 | /** |
5751 | * qla4xxx_is_eh_active - check if error handler is running | |
5752 | * @shost: Pointer to SCSI Host struct | |
5753 | * | |
5754 | * This routine finds that if reset host is called in EH | |
5755 | * scenario or from some application like sg_reset | |
5756 | **/ | |
5757 | static int qla4xxx_is_eh_active(struct Scsi_Host *shost) | |
5758 | { | |
5759 | if (shost->shost_state == SHOST_RECOVERY) | |
5760 | return 1; | |
5761 | return 0; | |
5762 | } | |
5763 | ||
afaf5a2d DS |
5764 | /** |
5765 | * qla4xxx_eh_host_reset - kernel callback | |
5766 | * @cmd: Pointer to Linux's SCSI command structure | |
5767 | * | |
5768 | * This routine is invoked by the Linux kernel to perform fatal error | |
5769 | * recovery on the specified adapter. | |
5770 | **/ | |
5771 | static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd) | |
5772 | { | |
5773 | int return_status = FAILED; | |
5774 | struct scsi_qla_host *ha; | |
5775 | ||
b3a271a9 | 5776 | ha = to_qla_host(cmd->device->host); |
afaf5a2d | 5777 | |
f4f5df23 VC |
5778 | if (ql4xdontresethba) { |
5779 | DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n", | |
5780 | ha->host_no, __func__)); | |
8a288960 SR |
5781 | |
5782 | /* Clear outstanding srb in queues */ | |
5783 | if (qla4xxx_is_eh_active(cmd->device->host)) | |
5784 | qla4xxx_abort_active_cmds(ha, DID_ABORT << 16); | |
5785 | ||
f4f5df23 VC |
5786 | return FAILED; |
5787 | } | |
5788 | ||
c2660df3 | 5789 | ql4_printk(KERN_INFO, ha, |
dca05c4c | 5790 | "scsi(%ld:%d:%d:%d): HOST RESET ISSUED.\n", ha->host_no, |
afaf5a2d DS |
5791 | cmd->device->channel, cmd->device->id, cmd->device->lun); |
5792 | ||
5793 | if (qla4xxx_wait_for_hba_online(ha) != QLA_SUCCESS) { | |
5794 | DEBUG2(printk("scsi%ld:%d: %s: Unable to reset host. Adapter " | |
5795 | "DEAD.\n", ha->host_no, cmd->device->channel, | |
5796 | __func__)); | |
5797 | ||
5798 | return FAILED; | |
5799 | } | |
5800 | ||
f4f5df23 VC |
5801 | if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) { |
5802 | if (is_qla8022(ha)) | |
5803 | set_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); | |
5804 | else | |
5805 | set_bit(DPC_RESET_HA, &ha->dpc_flags); | |
5806 | } | |
50a29aec | 5807 | |
f4f5df23 | 5808 | if (qla4xxx_recover_adapter(ha) == QLA_SUCCESS) |
afaf5a2d | 5809 | return_status = SUCCESS; |
afaf5a2d | 5810 | |
c2660df3 | 5811 | ql4_printk(KERN_INFO, ha, "HOST RESET %s.\n", |
25985edc | 5812 | return_status == FAILED ? "FAILED" : "SUCCEEDED"); |
afaf5a2d DS |
5813 | |
5814 | return return_status; | |
5815 | } | |
5816 | ||
95d31262 VC |
5817 | static int qla4xxx_context_reset(struct scsi_qla_host *ha) |
5818 | { | |
5819 | uint32_t mbox_cmd[MBOX_REG_COUNT]; | |
5820 | uint32_t mbox_sts[MBOX_REG_COUNT]; | |
5821 | struct addr_ctrl_blk_def *acb = NULL; | |
5822 | uint32_t acb_len = sizeof(struct addr_ctrl_blk_def); | |
5823 | int rval = QLA_SUCCESS; | |
5824 | dma_addr_t acb_dma; | |
5825 | ||
5826 | acb = dma_alloc_coherent(&ha->pdev->dev, | |
5827 | sizeof(struct addr_ctrl_blk_def), | |
5828 | &acb_dma, GFP_KERNEL); | |
5829 | if (!acb) { | |
5830 | ql4_printk(KERN_ERR, ha, "%s: Unable to alloc acb\n", | |
5831 | __func__); | |
5832 | rval = -ENOMEM; | |
5833 | goto exit_port_reset; | |
5834 | } | |
5835 | ||
5836 | memset(acb, 0, acb_len); | |
5837 | ||
5838 | rval = qla4xxx_get_acb(ha, acb_dma, PRIMARI_ACB, acb_len); | |
5839 | if (rval != QLA_SUCCESS) { | |
5840 | rval = -EIO; | |
5841 | goto exit_free_acb; | |
5842 | } | |
5843 | ||
5844 | rval = qla4xxx_disable_acb(ha); | |
5845 | if (rval != QLA_SUCCESS) { | |
5846 | rval = -EIO; | |
5847 | goto exit_free_acb; | |
5848 | } | |
5849 | ||
5850 | wait_for_completion_timeout(&ha->disable_acb_comp, | |
5851 | DISABLE_ACB_TOV * HZ); | |
5852 | ||
5853 | rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], acb_dma); | |
5854 | if (rval != QLA_SUCCESS) { | |
5855 | rval = -EIO; | |
5856 | goto exit_free_acb; | |
5857 | } | |
5858 | ||
5859 | exit_free_acb: | |
5860 | dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk_def), | |
5861 | acb, acb_dma); | |
5862 | exit_port_reset: | |
5863 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s %s\n", __func__, | |
5864 | rval == QLA_SUCCESS ? "SUCCEEDED" : "FAILED")); | |
5865 | return rval; | |
5866 | } | |
5867 | ||
5868 | static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type) | |
5869 | { | |
5870 | struct scsi_qla_host *ha = to_qla_host(shost); | |
5871 | int rval = QLA_SUCCESS; | |
5872 | ||
5873 | if (ql4xdontresethba) { | |
5874 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Don't Reset HBA\n", | |
5875 | __func__)); | |
5876 | rval = -EPERM; | |
5877 | goto exit_host_reset; | |
5878 | } | |
5879 | ||
5880 | rval = qla4xxx_wait_for_hba_online(ha); | |
5881 | if (rval != QLA_SUCCESS) { | |
5882 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Unable to reset host " | |
5883 | "adapter\n", __func__)); | |
5884 | rval = -EIO; | |
5885 | goto exit_host_reset; | |
5886 | } | |
5887 | ||
5888 | if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) | |
5889 | goto recover_adapter; | |
5890 | ||
5891 | switch (reset_type) { | |
5892 | case SCSI_ADAPTER_RESET: | |
5893 | set_bit(DPC_RESET_HA, &ha->dpc_flags); | |
5894 | break; | |
5895 | case SCSI_FIRMWARE_RESET: | |
5896 | if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) { | |
5897 | if (is_qla8022(ha)) | |
5898 | /* set firmware context reset */ | |
5899 | set_bit(DPC_RESET_HA_FW_CONTEXT, | |
5900 | &ha->dpc_flags); | |
5901 | else { | |
5902 | rval = qla4xxx_context_reset(ha); | |
5903 | goto exit_host_reset; | |
5904 | } | |
5905 | } | |
5906 | break; | |
5907 | } | |
5908 | ||
5909 | recover_adapter: | |
5910 | rval = qla4xxx_recover_adapter(ha); | |
5911 | if (rval != QLA_SUCCESS) { | |
5912 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: recover adapter fail\n", | |
5913 | __func__)); | |
5914 | rval = -EIO; | |
5915 | } | |
5916 | ||
5917 | exit_host_reset: | |
5918 | return rval; | |
5919 | } | |
5920 | ||
2232be0d LC |
5921 | /* PCI AER driver recovers from all correctable errors w/o |
5922 | * driver intervention. For uncorrectable errors PCI AER | |
5923 | * driver calls the following device driver's callbacks | |
5924 | * | |
5925 | * - Fatal Errors - link_reset | |
5926 | * - Non-Fatal Errors - driver's pci_error_detected() which | |
5927 | * returns CAN_RECOVER, NEED_RESET or DISCONNECT. | |
5928 | * | |
5929 | * PCI AER driver calls | |
5930 | * CAN_RECOVER - driver's pci_mmio_enabled(), mmio_enabled | |
5931 | * returns RECOVERED or NEED_RESET if fw_hung | |
5932 | * NEED_RESET - driver's slot_reset() | |
5933 | * DISCONNECT - device is dead & cannot recover | |
5934 | * RECOVERED - driver's pci_resume() | |
5935 | */ | |
5936 | static pci_ers_result_t | |
5937 | qla4xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) | |
5938 | { | |
5939 | struct scsi_qla_host *ha = pci_get_drvdata(pdev); | |
5940 | ||
5941 | ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: error detected:state %x\n", | |
5942 | ha->host_no, __func__, state); | |
5943 | ||
5944 | if (!is_aer_supported(ha)) | |
5945 | return PCI_ERS_RESULT_NONE; | |
5946 | ||
5947 | switch (state) { | |
5948 | case pci_channel_io_normal: | |
5949 | clear_bit(AF_EEH_BUSY, &ha->flags); | |
5950 | return PCI_ERS_RESULT_CAN_RECOVER; | |
5951 | case pci_channel_io_frozen: | |
5952 | set_bit(AF_EEH_BUSY, &ha->flags); | |
5953 | qla4xxx_mailbox_premature_completion(ha); | |
5954 | qla4xxx_free_irqs(ha); | |
5955 | pci_disable_device(pdev); | |
7b3595df VC |
5956 | /* Return back all IOs */ |
5957 | qla4xxx_abort_active_cmds(ha, DID_RESET << 16); | |
2232be0d LC |
5958 | return PCI_ERS_RESULT_NEED_RESET; |
5959 | case pci_channel_io_perm_failure: | |
5960 | set_bit(AF_EEH_BUSY, &ha->flags); | |
5961 | set_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags); | |
5962 | qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); | |
5963 | return PCI_ERS_RESULT_DISCONNECT; | |
5964 | } | |
5965 | return PCI_ERS_RESULT_NEED_RESET; | |
5966 | } | |
5967 | ||
5968 | /** | |
5969 | * qla4xxx_pci_mmio_enabled() gets called if | |
5970 | * qla4xxx_pci_error_detected() returns PCI_ERS_RESULT_CAN_RECOVER | |
5971 | * and read/write to the device still works. | |
5972 | **/ | |
5973 | static pci_ers_result_t | |
5974 | qla4xxx_pci_mmio_enabled(struct pci_dev *pdev) | |
5975 | { | |
5976 | struct scsi_qla_host *ha = pci_get_drvdata(pdev); | |
5977 | ||
5978 | if (!is_aer_supported(ha)) | |
5979 | return PCI_ERS_RESULT_NONE; | |
5980 | ||
7b3595df | 5981 | return PCI_ERS_RESULT_RECOVERED; |
2232be0d LC |
5982 | } |
5983 | ||
7b3595df | 5984 | static uint32_t qla4_8xxx_error_recovery(struct scsi_qla_host *ha) |
2232be0d LC |
5985 | { |
5986 | uint32_t rval = QLA_ERROR; | |
7b3595df | 5987 | uint32_t ret = 0; |
2232be0d LC |
5988 | int fn; |
5989 | struct pci_dev *other_pdev = NULL; | |
5990 | ||
5991 | ql4_printk(KERN_WARNING, ha, "scsi%ld: In %s\n", ha->host_no, __func__); | |
5992 | ||
5993 | set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); | |
5994 | ||
5995 | if (test_bit(AF_ONLINE, &ha->flags)) { | |
5996 | clear_bit(AF_ONLINE, &ha->flags); | |
b3a271a9 MR |
5997 | clear_bit(AF_LINK_UP, &ha->flags); |
5998 | iscsi_host_for_each_session(ha->host, qla4xxx_fail_session); | |
2232be0d | 5999 | qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); |
2232be0d LC |
6000 | } |
6001 | ||
6002 | fn = PCI_FUNC(ha->pdev->devfn); | |
6003 | while (fn > 0) { | |
6004 | fn--; | |
6005 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Finding PCI device at " | |
6006 | "func %x\n", ha->host_no, __func__, fn); | |
6007 | /* Get the pci device given the domain, bus, | |
6008 | * slot/function number */ | |
6009 | other_pdev = | |
6010 | pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus), | |
6011 | ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn), | |
6012 | fn)); | |
6013 | ||
6014 | if (!other_pdev) | |
6015 | continue; | |
6016 | ||
6017 | if (atomic_read(&other_pdev->enable_cnt)) { | |
6018 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Found PCI " | |
6019 | "func in enabled state%x\n", ha->host_no, | |
6020 | __func__, fn); | |
6021 | pci_dev_put(other_pdev); | |
6022 | break; | |
6023 | } | |
6024 | pci_dev_put(other_pdev); | |
6025 | } | |
6026 | ||
6027 | /* The first function on the card, the reset owner will | |
6028 | * start & initialize the firmware. The other functions | |
6029 | * on the card will reset the firmware context | |
6030 | */ | |
6031 | if (!fn) { | |
6032 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn being reset " | |
6033 | "0x%x is the owner\n", ha->host_no, __func__, | |
6034 | ha->pdev->devfn); | |
6035 | ||
6036 | qla4_8xxx_idc_lock(ha); | |
6037 | qla4_8xxx_wr_32(ha, QLA82XX_CRB_DEV_STATE, | |
6038 | QLA82XX_DEV_COLD); | |
6039 | ||
6040 | qla4_8xxx_wr_32(ha, QLA82XX_CRB_DRV_IDC_VERSION, | |
6041 | QLA82XX_IDC_VERSION); | |
6042 | ||
6043 | qla4_8xxx_idc_unlock(ha); | |
6044 | clear_bit(AF_FW_RECOVERY, &ha->flags); | |
13483730 | 6045 | rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); |
2232be0d LC |
6046 | qla4_8xxx_idc_lock(ha); |
6047 | ||
6048 | if (rval != QLA_SUCCESS) { | |
6049 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: " | |
6050 | "FAILED\n", ha->host_no, __func__); | |
6051 | qla4_8xxx_clear_drv_active(ha); | |
6052 | qla4_8xxx_wr_32(ha, QLA82XX_CRB_DEV_STATE, | |
6053 | QLA82XX_DEV_FAILED); | |
6054 | } else { | |
6055 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: " | |
6056 | "READY\n", ha->host_no, __func__); | |
6057 | qla4_8xxx_wr_32(ha, QLA82XX_CRB_DEV_STATE, | |
6058 | QLA82XX_DEV_READY); | |
6059 | /* Clear driver state register */ | |
6060 | qla4_8xxx_wr_32(ha, QLA82XX_CRB_DRV_STATE, 0); | |
6061 | qla4_8xxx_set_drv_active(ha); | |
7b3595df VC |
6062 | ret = qla4xxx_request_irqs(ha); |
6063 | if (ret) { | |
6064 | ql4_printk(KERN_WARNING, ha, "Failed to " | |
6065 | "reserve interrupt %d already in use.\n", | |
6066 | ha->pdev->irq); | |
6067 | rval = QLA_ERROR; | |
6068 | } else { | |
6069 | ha->isp_ops->enable_intrs(ha); | |
6070 | rval = QLA_SUCCESS; | |
6071 | } | |
2232be0d LC |
6072 | } |
6073 | qla4_8xxx_idc_unlock(ha); | |
6074 | } else { | |
6075 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn 0x%x is not " | |
6076 | "the reset owner\n", ha->host_no, __func__, | |
6077 | ha->pdev->devfn); | |
6078 | if ((qla4_8xxx_rd_32(ha, QLA82XX_CRB_DEV_STATE) == | |
6079 | QLA82XX_DEV_READY)) { | |
6080 | clear_bit(AF_FW_RECOVERY, &ha->flags); | |
13483730 | 6081 | rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); |
7b3595df VC |
6082 | if (rval == QLA_SUCCESS) { |
6083 | ret = qla4xxx_request_irqs(ha); | |
6084 | if (ret) { | |
6085 | ql4_printk(KERN_WARNING, ha, "Failed to" | |
6086 | " reserve interrupt %d already in" | |
6087 | " use.\n", ha->pdev->irq); | |
6088 | rval = QLA_ERROR; | |
6089 | } else { | |
6090 | ha->isp_ops->enable_intrs(ha); | |
6091 | rval = QLA_SUCCESS; | |
6092 | } | |
6093 | } | |
2232be0d LC |
6094 | qla4_8xxx_idc_lock(ha); |
6095 | qla4_8xxx_set_drv_active(ha); | |
6096 | qla4_8xxx_idc_unlock(ha); | |
6097 | } | |
6098 | } | |
6099 | clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); | |
6100 | return rval; | |
6101 | } | |
6102 | ||
6103 | static pci_ers_result_t | |
6104 | qla4xxx_pci_slot_reset(struct pci_dev *pdev) | |
6105 | { | |
6106 | pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT; | |
6107 | struct scsi_qla_host *ha = pci_get_drvdata(pdev); | |
6108 | int rc; | |
6109 | ||
6110 | ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: slot_reset\n", | |
6111 | ha->host_no, __func__); | |
6112 | ||
6113 | if (!is_aer_supported(ha)) | |
6114 | return PCI_ERS_RESULT_NONE; | |
6115 | ||
6116 | /* Restore the saved state of PCIe device - | |
6117 | * BAR registers, PCI Config space, PCIX, MSI, | |
6118 | * IOV states | |
6119 | */ | |
6120 | pci_restore_state(pdev); | |
6121 | ||
6122 | /* pci_restore_state() clears the saved_state flag of the device | |
6123 | * save restored state which resets saved_state flag | |
6124 | */ | |
6125 | pci_save_state(pdev); | |
6126 | ||
6127 | /* Initialize device or resume if in suspended state */ | |
6128 | rc = pci_enable_device(pdev); | |
6129 | if (rc) { | |
25985edc | 6130 | ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Can't re-enable " |
2232be0d LC |
6131 | "device after reset\n", ha->host_no, __func__); |
6132 | goto exit_slot_reset; | |
6133 | } | |
6134 | ||
7b3595df | 6135 | ha->isp_ops->disable_intrs(ha); |
2232be0d LC |
6136 | |
6137 | if (is_qla8022(ha)) { | |
6138 | if (qla4_8xxx_error_recovery(ha) == QLA_SUCCESS) { | |
6139 | ret = PCI_ERS_RESULT_RECOVERED; | |
6140 | goto exit_slot_reset; | |
6141 | } else | |
6142 | goto exit_slot_reset; | |
6143 | } | |
6144 | ||
6145 | exit_slot_reset: | |
6146 | ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Return=%x\n" | |
6147 | "device after reset\n", ha->host_no, __func__, ret); | |
6148 | return ret; | |
6149 | } | |
6150 | ||
6151 | static void | |
6152 | qla4xxx_pci_resume(struct pci_dev *pdev) | |
6153 | { | |
6154 | struct scsi_qla_host *ha = pci_get_drvdata(pdev); | |
6155 | int ret; | |
6156 | ||
6157 | ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: pci_resume\n", | |
6158 | ha->host_no, __func__); | |
6159 | ||
6160 | ret = qla4xxx_wait_for_hba_online(ha); | |
6161 | if (ret != QLA_SUCCESS) { | |
6162 | ql4_printk(KERN_ERR, ha, "scsi%ld: %s: the device failed to " | |
6163 | "resume I/O from slot/link_reset\n", ha->host_no, | |
6164 | __func__); | |
6165 | } | |
6166 | ||
6167 | pci_cleanup_aer_uncorrect_error_status(pdev); | |
6168 | clear_bit(AF_EEH_BUSY, &ha->flags); | |
6169 | } | |
6170 | ||
6171 | static struct pci_error_handlers qla4xxx_err_handler = { | |
6172 | .error_detected = qla4xxx_pci_error_detected, | |
6173 | .mmio_enabled = qla4xxx_pci_mmio_enabled, | |
6174 | .slot_reset = qla4xxx_pci_slot_reset, | |
6175 | .resume = qla4xxx_pci_resume, | |
6176 | }; | |
6177 | ||
afaf5a2d DS |
6178 | static struct pci_device_id qla4xxx_pci_tbl[] = { |
6179 | { | |
6180 | .vendor = PCI_VENDOR_ID_QLOGIC, | |
6181 | .device = PCI_DEVICE_ID_QLOGIC_ISP4010, | |
6182 | .subvendor = PCI_ANY_ID, | |
6183 | .subdevice = PCI_ANY_ID, | |
6184 | }, | |
6185 | { | |
6186 | .vendor = PCI_VENDOR_ID_QLOGIC, | |
6187 | .device = PCI_DEVICE_ID_QLOGIC_ISP4022, | |
6188 | .subvendor = PCI_ANY_ID, | |
6189 | .subdevice = PCI_ANY_ID, | |
6190 | }, | |
d915058f DS |
6191 | { |
6192 | .vendor = PCI_VENDOR_ID_QLOGIC, | |
6193 | .device = PCI_DEVICE_ID_QLOGIC_ISP4032, | |
6194 | .subvendor = PCI_ANY_ID, | |
6195 | .subdevice = PCI_ANY_ID, | |
6196 | }, | |
f4f5df23 VC |
6197 | { |
6198 | .vendor = PCI_VENDOR_ID_QLOGIC, | |
6199 | .device = PCI_DEVICE_ID_QLOGIC_ISP8022, | |
6200 | .subvendor = PCI_ANY_ID, | |
6201 | .subdevice = PCI_ANY_ID, | |
6202 | }, | |
afaf5a2d DS |
6203 | {0, 0}, |
6204 | }; | |
6205 | MODULE_DEVICE_TABLE(pci, qla4xxx_pci_tbl); | |
6206 | ||
47975477 | 6207 | static struct pci_driver qla4xxx_pci_driver = { |
afaf5a2d DS |
6208 | .name = DRIVER_NAME, |
6209 | .id_table = qla4xxx_pci_tbl, | |
6210 | .probe = qla4xxx_probe_adapter, | |
6211 | .remove = qla4xxx_remove_adapter, | |
2232be0d | 6212 | .err_handler = &qla4xxx_err_handler, |
afaf5a2d DS |
6213 | }; |
6214 | ||
6215 | static int __init qla4xxx_module_init(void) | |
6216 | { | |
6217 | int ret; | |
6218 | ||
6219 | /* Allocate cache for SRBs. */ | |
6220 | srb_cachep = kmem_cache_create("qla4xxx_srbs", sizeof(struct srb), 0, | |
20c2df83 | 6221 | SLAB_HWCACHE_ALIGN, NULL); |
afaf5a2d DS |
6222 | if (srb_cachep == NULL) { |
6223 | printk(KERN_ERR | |
6224 | "%s: Unable to allocate SRB cache..." | |
6225 | "Failing load!\n", DRIVER_NAME); | |
6226 | ret = -ENOMEM; | |
6227 | goto no_srp_cache; | |
6228 | } | |
6229 | ||
6230 | /* Derive version string. */ | |
6231 | strcpy(qla4xxx_version_str, QLA4XXX_DRIVER_VERSION); | |
11010fec | 6232 | if (ql4xextended_error_logging) |
afaf5a2d DS |
6233 | strcat(qla4xxx_version_str, "-debug"); |
6234 | ||
6235 | qla4xxx_scsi_transport = | |
6236 | iscsi_register_transport(&qla4xxx_iscsi_transport); | |
6237 | if (!qla4xxx_scsi_transport){ | |
6238 | ret = -ENODEV; | |
6239 | goto release_srb_cache; | |
6240 | } | |
6241 | ||
afaf5a2d DS |
6242 | ret = pci_register_driver(&qla4xxx_pci_driver); |
6243 | if (ret) | |
6244 | goto unregister_transport; | |
6245 | ||
6246 | printk(KERN_INFO "QLogic iSCSI HBA Driver\n"); | |
6247 | return 0; | |
5ae16db3 | 6248 | |
afaf5a2d DS |
6249 | unregister_transport: |
6250 | iscsi_unregister_transport(&qla4xxx_iscsi_transport); | |
6251 | release_srb_cache: | |
6252 | kmem_cache_destroy(srb_cachep); | |
6253 | no_srp_cache: | |
6254 | return ret; | |
6255 | } | |
6256 | ||
6257 | static void __exit qla4xxx_module_exit(void) | |
6258 | { | |
6259 | pci_unregister_driver(&qla4xxx_pci_driver); | |
6260 | iscsi_unregister_transport(&qla4xxx_iscsi_transport); | |
6261 | kmem_cache_destroy(srb_cachep); | |
6262 | } | |
6263 | ||
6264 | module_init(qla4xxx_module_init); | |
6265 | module_exit(qla4xxx_module_exit); | |
6266 | ||
6267 | MODULE_AUTHOR("QLogic Corporation"); | |
6268 | MODULE_DESCRIPTION("QLogic iSCSI HBA Driver"); | |
6269 | MODULE_LICENSE("GPL"); | |
6270 | MODULE_VERSION(QLA4XXX_DRIVER_VERSION); |