Commit | Line | Data |
---|---|---|
afaf5a2d DS |
1 | /* |
2 | * QLogic iSCSI HBA Driver | |
c68cdbf0 | 3 | * Copyright (c) 2003-2012 QLogic Corporation |
afaf5a2d DS |
4 | * |
5 | * See LICENSE.qla4xxx for copyright and licensing details. | |
6 | */ | |
7 | #include <linux/moduleparam.h> | |
5a0e3ad6 | 8 | #include <linux/slab.h> |
2a991c21 MR |
9 | #include <linux/blkdev.h> |
10 | #include <linux/iscsi_boot_sysfs.h> | |
13483730 | 11 | #include <linux/inet.h> |
afaf5a2d DS |
12 | |
13 | #include <scsi/scsi_tcq.h> | |
14 | #include <scsi/scsicam.h> | |
15 | ||
16 | #include "ql4_def.h" | |
bee4fe8e DS |
17 | #include "ql4_version.h" |
18 | #include "ql4_glbl.h" | |
19 | #include "ql4_dbg.h" | |
20 | #include "ql4_inline.h" | |
6e7b4292 | 21 | #include "ql4_83xx.h" |
afaf5a2d DS |
22 | |
23 | /* | |
24 | * Driver version | |
25 | */ | |
47975477 | 26 | static char qla4xxx_version_str[40]; |
afaf5a2d DS |
27 | |
28 | /* | |
29 | * SRB allocation cache | |
30 | */ | |
e18b890b | 31 | static struct kmem_cache *srb_cachep; |
afaf5a2d DS |
32 | |
33 | /* | |
34 | * Module parameter information and variables | |
35 | */ | |
a7380a65 | 36 | static int ql4xdisablesysfsboot = 1; |
13483730 MC |
37 | module_param(ql4xdisablesysfsboot, int, S_IRUGO | S_IWUSR); |
38 | MODULE_PARM_DESC(ql4xdisablesysfsboot, | |
a4e8a715 KH |
39 | " Set to disable exporting boot targets to sysfs.\n" |
40 | "\t\t 0 - Export boot targets\n" | |
41 | "\t\t 1 - Do not export boot targets (Default)"); | |
13483730 | 42 | |
3573bfb2 | 43 | int ql4xdontresethba; |
f4f5df23 | 44 | module_param(ql4xdontresethba, int, S_IRUGO | S_IWUSR); |
afaf5a2d | 45 | MODULE_PARM_DESC(ql4xdontresethba, |
a4e8a715 KH |
46 | " Don't reset the HBA for driver recovery.\n" |
47 | "\t\t 0 - It will reset HBA (Default)\n" | |
48 | "\t\t 1 - It will NOT reset HBA"); | |
afaf5a2d | 49 | |
a4e8a715 | 50 | int ql4xextended_error_logging; |
f4f5df23 | 51 | module_param(ql4xextended_error_logging, int, S_IRUGO | S_IWUSR); |
11010fec | 52 | MODULE_PARM_DESC(ql4xextended_error_logging, |
a4e8a715 KH |
53 | " Option to enable extended error logging.\n" |
54 | "\t\t 0 - no logging (Default)\n" | |
55 | "\t\t 2 - debug logging"); | |
afaf5a2d | 56 | |
f4f5df23 VC |
57 | int ql4xenablemsix = 1; |
58 | module_param(ql4xenablemsix, int, S_IRUGO|S_IWUSR); | |
59 | MODULE_PARM_DESC(ql4xenablemsix, | |
a4e8a715 KH |
60 | " Set to enable MSI or MSI-X interrupt mechanism.\n" |
61 | "\t\t 0 = enable INTx interrupt mechanism.\n" | |
62 | "\t\t 1 = enable MSI-X interrupt mechanism (Default).\n" | |
63 | "\t\t 2 = enable MSI interrupt mechanism."); | |
477ffb9d | 64 | |
d510d965 | 65 | #define QL4_DEF_QDEPTH 32 |
8bb4033d VC |
66 | static int ql4xmaxqdepth = QL4_DEF_QDEPTH; |
67 | module_param(ql4xmaxqdepth, int, S_IRUGO | S_IWUSR); | |
68 | MODULE_PARM_DESC(ql4xmaxqdepth, | |
a4e8a715 KH |
69 | " Maximum queue depth to report for target devices.\n" |
70 | "\t\t Default: 32."); | |
d510d965 | 71 | |
f7b4aa63 TP |
72 | static int ql4xqfulltracking = 1; |
73 | module_param(ql4xqfulltracking, int, S_IRUGO | S_IWUSR); | |
74 | MODULE_PARM_DESC(ql4xqfulltracking, | |
75 | " Enable or disable dynamic tracking and adjustment of\n" | |
76 | "\t\t scsi device queue depth.\n" | |
77 | "\t\t 0 - Disable.\n" | |
78 | "\t\t 1 - Enable. (Default)"); | |
79 | ||
3038727c VC |
80 | static int ql4xsess_recovery_tmo = QL4_SESS_RECOVERY_TMO; |
81 | module_param(ql4xsess_recovery_tmo, int, S_IRUGO); | |
82 | MODULE_PARM_DESC(ql4xsess_recovery_tmo, | |
3573bfb2 | 83 | " Target Session Recovery Timeout.\n" |
a4e8a715 | 84 | "\t\t Default: 120 sec."); |
3038727c | 85 | |
068237c8 TP |
86 | int ql4xmdcapmask = 0x1F; |
87 | module_param(ql4xmdcapmask, int, S_IRUGO); | |
88 | MODULE_PARM_DESC(ql4xmdcapmask, | |
89 | " Set the Minidump driver capture mask level.\n" | |
90 | "\t\t Default is 0x1F.\n" | |
91 | "\t\t Can be set to 0x3, 0x7, 0xF, 0x1F, 0x3F, 0x7F"); | |
92 | ||
93 | int ql4xenablemd = 1; | |
94 | module_param(ql4xenablemd, int, S_IRUGO | S_IWUSR); | |
95 | MODULE_PARM_DESC(ql4xenablemd, | |
96 | " Set to enable minidump.\n" | |
97 | "\t\t 0 - disable minidump\n" | |
98 | "\t\t 1 - enable minidump (Default)"); | |
99 | ||
b3a271a9 | 100 | static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha); |
afaf5a2d DS |
101 | /* |
102 | * SCSI host template entry points | |
103 | */ | |
47975477 | 104 | static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha); |
afaf5a2d DS |
105 | |
106 | /* | |
107 | * iSCSI template entry points | |
108 | */ | |
fca9f04d MC |
109 | static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess, |
110 | enum iscsi_param param, char *buf); | |
afaf5a2d DS |
111 | static int qla4xxx_conn_get_param(struct iscsi_cls_conn *conn, |
112 | enum iscsi_param param, char *buf); | |
aa1e93a2 MC |
113 | static int qla4xxx_host_get_param(struct Scsi_Host *shost, |
114 | enum iscsi_host_param param, char *buf); | |
00c31889 MC |
115 | static int qla4xxx_iface_set_param(struct Scsi_Host *shost, void *data, |
116 | uint32_t len); | |
ed1086e0 VC |
117 | static int qla4xxx_get_iface_param(struct iscsi_iface *iface, |
118 | enum iscsi_param_type param_type, | |
119 | int param, char *buf); | |
5c656af7 | 120 | static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc); |
b3a271a9 MR |
121 | static struct iscsi_endpoint *qla4xxx_ep_connect(struct Scsi_Host *shost, |
122 | struct sockaddr *dst_addr, | |
123 | int non_blocking); | |
124 | static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms); | |
125 | static void qla4xxx_ep_disconnect(struct iscsi_endpoint *ep); | |
126 | static int qla4xxx_get_ep_param(struct iscsi_endpoint *ep, | |
127 | enum iscsi_param param, char *buf); | |
128 | static int qla4xxx_conn_start(struct iscsi_cls_conn *conn); | |
129 | static struct iscsi_cls_conn * | |
130 | qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx); | |
131 | static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session, | |
132 | struct iscsi_cls_conn *cls_conn, | |
133 | uint64_t transport_fd, int is_leading); | |
134 | static void qla4xxx_conn_destroy(struct iscsi_cls_conn *conn); | |
135 | static struct iscsi_cls_session * | |
136 | qla4xxx_session_create(struct iscsi_endpoint *ep, uint16_t cmds_max, | |
137 | uint16_t qdepth, uint32_t initial_cmdsn); | |
138 | static void qla4xxx_session_destroy(struct iscsi_cls_session *sess); | |
139 | static void qla4xxx_task_work(struct work_struct *wdata); | |
140 | static int qla4xxx_alloc_pdu(struct iscsi_task *, uint8_t); | |
141 | static int qla4xxx_task_xmit(struct iscsi_task *); | |
142 | static void qla4xxx_task_cleanup(struct iscsi_task *); | |
143 | static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session); | |
144 | static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn, | |
145 | struct iscsi_stats *stats); | |
c0b9d3f7 VC |
146 | static int qla4xxx_send_ping(struct Scsi_Host *shost, uint32_t iface_num, |
147 | uint32_t iface_type, uint32_t payload_size, | |
148 | uint32_t pid, struct sockaddr *dst_addr); | |
376738af NJ |
149 | static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx, |
150 | uint32_t *num_entries, char *buf); | |
151 | static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx); | |
c0b9d3f7 | 152 | |
afaf5a2d DS |
153 | /* |
154 | * SCSI host template entry points | |
155 | */ | |
f281233d | 156 | static int qla4xxx_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd); |
09a0f719 | 157 | static int qla4xxx_eh_abort(struct scsi_cmnd *cmd); |
afaf5a2d | 158 | static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd); |
ce545039 | 159 | static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd); |
afaf5a2d DS |
160 | static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd); |
161 | static int qla4xxx_slave_alloc(struct scsi_device *device); | |
162 | static int qla4xxx_slave_configure(struct scsi_device *device); | |
163 | static void qla4xxx_slave_destroy(struct scsi_device *sdev); | |
5e9bcec7 | 164 | static umode_t qla4_attr_is_visible(int param_type, int param); |
95d31262 | 165 | static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type); |
f7b4aa63 TP |
166 | static int qla4xxx_change_queue_depth(struct scsi_device *sdev, int qdepth, |
167 | int reason); | |
afaf5a2d | 168 | |
f4f5df23 VC |
169 | static struct qla4_8xxx_legacy_intr_set legacy_intr[] = |
170 | QLA82XX_LEGACY_INTR_CONFIG; | |
171 | ||
afaf5a2d DS |
172 | static struct scsi_host_template qla4xxx_driver_template = { |
173 | .module = THIS_MODULE, | |
174 | .name = DRIVER_NAME, | |
175 | .proc_name = DRIVER_NAME, | |
176 | .queuecommand = qla4xxx_queuecommand, | |
177 | ||
09a0f719 | 178 | .eh_abort_handler = qla4xxx_eh_abort, |
afaf5a2d | 179 | .eh_device_reset_handler = qla4xxx_eh_device_reset, |
ce545039 | 180 | .eh_target_reset_handler = qla4xxx_eh_target_reset, |
afaf5a2d | 181 | .eh_host_reset_handler = qla4xxx_eh_host_reset, |
5c656af7 | 182 | .eh_timed_out = qla4xxx_eh_cmd_timed_out, |
afaf5a2d DS |
183 | |
184 | .slave_configure = qla4xxx_slave_configure, | |
185 | .slave_alloc = qla4xxx_slave_alloc, | |
186 | .slave_destroy = qla4xxx_slave_destroy, | |
f7b4aa63 | 187 | .change_queue_depth = qla4xxx_change_queue_depth, |
afaf5a2d DS |
188 | |
189 | .this_id = -1, | |
190 | .cmd_per_lun = 3, | |
191 | .use_clustering = ENABLE_CLUSTERING, | |
192 | .sg_tablesize = SG_ALL, | |
193 | ||
194 | .max_sectors = 0xFFFF, | |
7ad633c0 | 195 | .shost_attrs = qla4xxx_host_attrs, |
95d31262 | 196 | .host_reset = qla4xxx_host_reset, |
a355943c | 197 | .vendor_id = SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC, |
afaf5a2d DS |
198 | }; |
199 | ||
200 | static struct iscsi_transport qla4xxx_iscsi_transport = { | |
201 | .owner = THIS_MODULE, | |
202 | .name = DRIVER_NAME, | |
b3a271a9 MR |
203 | .caps = CAP_TEXT_NEGO | |
204 | CAP_DATA_PATH_OFFLOAD | CAP_HDRDGST | | |
205 | CAP_DATADGST | CAP_LOGIN_OFFLOAD | | |
206 | CAP_MULTI_R2T, | |
5e9bcec7 | 207 | .attr_is_visible = qla4_attr_is_visible, |
b3a271a9 MR |
208 | .create_session = qla4xxx_session_create, |
209 | .destroy_session = qla4xxx_session_destroy, | |
210 | .start_conn = qla4xxx_conn_start, | |
211 | .create_conn = qla4xxx_conn_create, | |
212 | .bind_conn = qla4xxx_conn_bind, | |
213 | .stop_conn = iscsi_conn_stop, | |
214 | .destroy_conn = qla4xxx_conn_destroy, | |
215 | .set_param = iscsi_set_param, | |
afaf5a2d | 216 | .get_conn_param = qla4xxx_conn_get_param, |
fca9f04d | 217 | .get_session_param = qla4xxx_session_get_param, |
b3a271a9 MR |
218 | .get_ep_param = qla4xxx_get_ep_param, |
219 | .ep_connect = qla4xxx_ep_connect, | |
220 | .ep_poll = qla4xxx_ep_poll, | |
221 | .ep_disconnect = qla4xxx_ep_disconnect, | |
222 | .get_stats = qla4xxx_conn_get_stats, | |
223 | .send_pdu = iscsi_conn_send_pdu, | |
224 | .xmit_task = qla4xxx_task_xmit, | |
225 | .cleanup_task = qla4xxx_task_cleanup, | |
226 | .alloc_pdu = qla4xxx_alloc_pdu, | |
227 | ||
aa1e93a2 | 228 | .get_host_param = qla4xxx_host_get_param, |
d00efe3f | 229 | .set_iface_param = qla4xxx_iface_set_param, |
ed1086e0 | 230 | .get_iface_param = qla4xxx_get_iface_param, |
a355943c | 231 | .bsg_request = qla4xxx_bsg_request, |
c0b9d3f7 | 232 | .send_ping = qla4xxx_send_ping, |
376738af NJ |
233 | .get_chap = qla4xxx_get_chap_list, |
234 | .delete_chap = qla4xxx_delete_chap, | |
afaf5a2d DS |
235 | }; |
236 | ||
237 | static struct scsi_transport_template *qla4xxx_scsi_transport; | |
238 | ||
c0b9d3f7 VC |
239 | static int qla4xxx_send_ping(struct Scsi_Host *shost, uint32_t iface_num, |
240 | uint32_t iface_type, uint32_t payload_size, | |
241 | uint32_t pid, struct sockaddr *dst_addr) | |
242 | { | |
243 | struct scsi_qla_host *ha = to_qla_host(shost); | |
244 | struct sockaddr_in *addr; | |
245 | struct sockaddr_in6 *addr6; | |
246 | uint32_t options = 0; | |
247 | uint8_t ipaddr[IPv6_ADDR_LEN]; | |
248 | int rval; | |
249 | ||
250 | memset(ipaddr, 0, IPv6_ADDR_LEN); | |
251 | /* IPv4 to IPv4 */ | |
252 | if ((iface_type == ISCSI_IFACE_TYPE_IPV4) && | |
253 | (dst_addr->sa_family == AF_INET)) { | |
254 | addr = (struct sockaddr_in *)dst_addr; | |
255 | memcpy(ipaddr, &addr->sin_addr.s_addr, IP_ADDR_LEN); | |
256 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv4 Ping src: %pI4 " | |
257 | "dest: %pI4\n", __func__, | |
258 | &ha->ip_config.ip_address, ipaddr)); | |
259 | rval = qla4xxx_ping_iocb(ha, options, payload_size, pid, | |
260 | ipaddr); | |
261 | if (rval) | |
262 | rval = -EINVAL; | |
263 | } else if ((iface_type == ISCSI_IFACE_TYPE_IPV6) && | |
264 | (dst_addr->sa_family == AF_INET6)) { | |
265 | /* IPv6 to IPv6 */ | |
266 | addr6 = (struct sockaddr_in6 *)dst_addr; | |
267 | memcpy(ipaddr, &addr6->sin6_addr.in6_u.u6_addr8, IPv6_ADDR_LEN); | |
268 | ||
269 | options |= PING_IPV6_PROTOCOL_ENABLE; | |
270 | ||
271 | /* Ping using LinkLocal address */ | |
272 | if ((iface_num == 0) || (iface_num == 1)) { | |
273 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: LinkLocal Ping " | |
274 | "src: %pI6 dest: %pI6\n", __func__, | |
275 | &ha->ip_config.ipv6_link_local_addr, | |
276 | ipaddr)); | |
277 | options |= PING_IPV6_LINKLOCAL_ADDR; | |
278 | rval = qla4xxx_ping_iocb(ha, options, payload_size, | |
279 | pid, ipaddr); | |
280 | } else { | |
281 | ql4_printk(KERN_WARNING, ha, "%s: iface num = %d " | |
282 | "not supported\n", __func__, iface_num); | |
283 | rval = -ENOSYS; | |
284 | goto exit_send_ping; | |
285 | } | |
286 | ||
287 | /* | |
288 | * If ping using LinkLocal address fails, try ping using | |
289 | * IPv6 address | |
290 | */ | |
291 | if (rval != QLA_SUCCESS) { | |
292 | options &= ~PING_IPV6_LINKLOCAL_ADDR; | |
293 | if (iface_num == 0) { | |
294 | options |= PING_IPV6_ADDR0; | |
295 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 " | |
296 | "Ping src: %pI6 " | |
297 | "dest: %pI6\n", __func__, | |
298 | &ha->ip_config.ipv6_addr0, | |
299 | ipaddr)); | |
300 | } else if (iface_num == 1) { | |
301 | options |= PING_IPV6_ADDR1; | |
302 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 " | |
303 | "Ping src: %pI6 " | |
304 | "dest: %pI6\n", __func__, | |
305 | &ha->ip_config.ipv6_addr1, | |
306 | ipaddr)); | |
307 | } | |
308 | rval = qla4xxx_ping_iocb(ha, options, payload_size, | |
309 | pid, ipaddr); | |
310 | if (rval) | |
311 | rval = -EINVAL; | |
312 | } | |
313 | } else | |
314 | rval = -ENOSYS; | |
315 | exit_send_ping: | |
316 | return rval; | |
317 | } | |
318 | ||
5e9bcec7 | 319 | static umode_t qla4_attr_is_visible(int param_type, int param) |
3128c6c7 MC |
320 | { |
321 | switch (param_type) { | |
f27fb2ef MC |
322 | case ISCSI_HOST_PARAM: |
323 | switch (param) { | |
324 | case ISCSI_HOST_PARAM_HWADDRESS: | |
325 | case ISCSI_HOST_PARAM_IPADDRESS: | |
326 | case ISCSI_HOST_PARAM_INITIATOR_NAME: | |
3254dbe9 VC |
327 | case ISCSI_HOST_PARAM_PORT_STATE: |
328 | case ISCSI_HOST_PARAM_PORT_SPEED: | |
f27fb2ef MC |
329 | return S_IRUGO; |
330 | default: | |
331 | return 0; | |
332 | } | |
3128c6c7 MC |
333 | case ISCSI_PARAM: |
334 | switch (param) { | |
590134fa MC |
335 | case ISCSI_PARAM_PERSISTENT_ADDRESS: |
336 | case ISCSI_PARAM_PERSISTENT_PORT: | |
3128c6c7 MC |
337 | case ISCSI_PARAM_CONN_ADDRESS: |
338 | case ISCSI_PARAM_CONN_PORT: | |
1d063c17 MC |
339 | case ISCSI_PARAM_TARGET_NAME: |
340 | case ISCSI_PARAM_TPGT: | |
341 | case ISCSI_PARAM_TARGET_ALIAS: | |
b3a271a9 MR |
342 | case ISCSI_PARAM_MAX_BURST: |
343 | case ISCSI_PARAM_MAX_R2T: | |
344 | case ISCSI_PARAM_FIRST_BURST: | |
345 | case ISCSI_PARAM_MAX_RECV_DLENGTH: | |
346 | case ISCSI_PARAM_MAX_XMIT_DLENGTH: | |
de37920b | 347 | case ISCSI_PARAM_IFACE_NAME: |
fca9f04d MC |
348 | case ISCSI_PARAM_CHAP_OUT_IDX: |
349 | case ISCSI_PARAM_CHAP_IN_IDX: | |
350 | case ISCSI_PARAM_USERNAME: | |
351 | case ISCSI_PARAM_PASSWORD: | |
352 | case ISCSI_PARAM_USERNAME_IN: | |
353 | case ISCSI_PARAM_PASSWORD_IN: | |
3128c6c7 MC |
354 | return S_IRUGO; |
355 | default: | |
356 | return 0; | |
357 | } | |
b78dbba0 MC |
358 | case ISCSI_NET_PARAM: |
359 | switch (param) { | |
360 | case ISCSI_NET_PARAM_IPV4_ADDR: | |
361 | case ISCSI_NET_PARAM_IPV4_SUBNET: | |
362 | case ISCSI_NET_PARAM_IPV4_GW: | |
363 | case ISCSI_NET_PARAM_IPV4_BOOTPROTO: | |
364 | case ISCSI_NET_PARAM_IFACE_ENABLE: | |
365 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL: | |
366 | case ISCSI_NET_PARAM_IPV6_ADDR: | |
367 | case ISCSI_NET_PARAM_IPV6_ROUTER: | |
368 | case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: | |
369 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: | |
6ac73e8c VC |
370 | case ISCSI_NET_PARAM_VLAN_ID: |
371 | case ISCSI_NET_PARAM_VLAN_PRIORITY: | |
372 | case ISCSI_NET_PARAM_VLAN_ENABLED: | |
943c157b | 373 | case ISCSI_NET_PARAM_MTU: |
2ada7fc5 | 374 | case ISCSI_NET_PARAM_PORT: |
b78dbba0 MC |
375 | return S_IRUGO; |
376 | default: | |
377 | return 0; | |
378 | } | |
3128c6c7 MC |
379 | } |
380 | ||
381 | return 0; | |
382 | } | |
383 | ||
376738af NJ |
384 | static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx, |
385 | uint32_t *num_entries, char *buf) | |
386 | { | |
387 | struct scsi_qla_host *ha = to_qla_host(shost); | |
388 | struct ql4_chap_table *chap_table; | |
389 | struct iscsi_chap_rec *chap_rec; | |
390 | int max_chap_entries = 0; | |
391 | int valid_chap_entries = 0; | |
392 | int ret = 0, i; | |
393 | ||
394 | if (is_qla8022(ha)) | |
395 | max_chap_entries = (ha->hw.flt_chap_size / 2) / | |
396 | sizeof(struct ql4_chap_table); | |
397 | else | |
398 | max_chap_entries = MAX_CHAP_ENTRIES_40XX; | |
399 | ||
400 | ql4_printk(KERN_INFO, ha, "%s: num_entries = %d, CHAP idx = %d\n", | |
401 | __func__, *num_entries, chap_tbl_idx); | |
402 | ||
403 | if (!buf) { | |
404 | ret = -ENOMEM; | |
405 | goto exit_get_chap_list; | |
406 | } | |
407 | ||
408 | chap_rec = (struct iscsi_chap_rec *) buf; | |
409 | mutex_lock(&ha->chap_sem); | |
410 | for (i = chap_tbl_idx; i < max_chap_entries; i++) { | |
411 | chap_table = (struct ql4_chap_table *)ha->chap_list + i; | |
412 | if (chap_table->cookie != | |
413 | __constant_cpu_to_le16(CHAP_VALID_COOKIE)) | |
414 | continue; | |
415 | ||
416 | chap_rec->chap_tbl_idx = i; | |
417 | strncpy(chap_rec->username, chap_table->name, | |
418 | ISCSI_CHAP_AUTH_NAME_MAX_LEN); | |
419 | strncpy(chap_rec->password, chap_table->secret, | |
420 | QL4_CHAP_MAX_SECRET_LEN); | |
421 | chap_rec->password_length = chap_table->secret_len; | |
422 | ||
423 | if (chap_table->flags & BIT_7) /* local */ | |
424 | chap_rec->chap_type = CHAP_TYPE_OUT; | |
425 | ||
426 | if (chap_table->flags & BIT_6) /* peer */ | |
427 | chap_rec->chap_type = CHAP_TYPE_IN; | |
428 | ||
429 | chap_rec++; | |
430 | ||
431 | valid_chap_entries++; | |
432 | if (valid_chap_entries == *num_entries) | |
433 | break; | |
434 | else | |
435 | continue; | |
436 | } | |
437 | mutex_unlock(&ha->chap_sem); | |
438 | ||
439 | exit_get_chap_list: | |
440 | ql4_printk(KERN_INFO, ha, "%s: Valid CHAP Entries = %d\n", | |
441 | __func__, valid_chap_entries); | |
442 | *num_entries = valid_chap_entries; | |
443 | return ret; | |
444 | } | |
445 | ||
446 | static int __qla4xxx_is_chap_active(struct device *dev, void *data) | |
447 | { | |
448 | int ret = 0; | |
449 | uint16_t *chap_tbl_idx = (uint16_t *) data; | |
450 | struct iscsi_cls_session *cls_session; | |
451 | struct iscsi_session *sess; | |
452 | struct ddb_entry *ddb_entry; | |
453 | ||
454 | if (!iscsi_is_session_dev(dev)) | |
455 | goto exit_is_chap_active; | |
456 | ||
457 | cls_session = iscsi_dev_to_session(dev); | |
458 | sess = cls_session->dd_data; | |
459 | ddb_entry = sess->dd_data; | |
460 | ||
461 | if (iscsi_session_chkready(cls_session)) | |
462 | goto exit_is_chap_active; | |
463 | ||
464 | if (ddb_entry->chap_tbl_idx == *chap_tbl_idx) | |
465 | ret = 1; | |
466 | ||
467 | exit_is_chap_active: | |
468 | return ret; | |
469 | } | |
470 | ||
471 | static int qla4xxx_is_chap_active(struct Scsi_Host *shost, | |
472 | uint16_t chap_tbl_idx) | |
473 | { | |
474 | int ret = 0; | |
475 | ||
476 | ret = device_for_each_child(&shost->shost_gendev, &chap_tbl_idx, | |
477 | __qla4xxx_is_chap_active); | |
478 | ||
479 | return ret; | |
480 | } | |
481 | ||
482 | static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx) | |
483 | { | |
484 | struct scsi_qla_host *ha = to_qla_host(shost); | |
485 | struct ql4_chap_table *chap_table; | |
486 | dma_addr_t chap_dma; | |
487 | int max_chap_entries = 0; | |
488 | uint32_t offset = 0; | |
489 | uint32_t chap_size; | |
490 | int ret = 0; | |
491 | ||
492 | chap_table = dma_pool_alloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma); | |
493 | if (chap_table == NULL) | |
494 | return -ENOMEM; | |
495 | ||
496 | memset(chap_table, 0, sizeof(struct ql4_chap_table)); | |
497 | ||
498 | if (is_qla8022(ha)) | |
499 | max_chap_entries = (ha->hw.flt_chap_size / 2) / | |
500 | sizeof(struct ql4_chap_table); | |
501 | else | |
502 | max_chap_entries = MAX_CHAP_ENTRIES_40XX; | |
503 | ||
504 | if (chap_tbl_idx > max_chap_entries) { | |
505 | ret = -EINVAL; | |
506 | goto exit_delete_chap; | |
507 | } | |
508 | ||
509 | /* Check if chap index is in use. | |
510 | * If chap is in use don't delet chap entry */ | |
511 | ret = qla4xxx_is_chap_active(shost, chap_tbl_idx); | |
512 | if (ret) { | |
513 | ql4_printk(KERN_INFO, ha, "CHAP entry %d is in use, cannot " | |
514 | "delete from flash\n", chap_tbl_idx); | |
515 | ret = -EBUSY; | |
516 | goto exit_delete_chap; | |
517 | } | |
518 | ||
519 | chap_size = sizeof(struct ql4_chap_table); | |
520 | if (is_qla40XX(ha)) | |
521 | offset = FLASH_CHAP_OFFSET | (chap_tbl_idx * chap_size); | |
522 | else { | |
523 | offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2); | |
524 | /* flt_chap_size is CHAP table size for both ports | |
525 | * so divide it by 2 to calculate the offset for second port | |
526 | */ | |
527 | if (ha->port_num == 1) | |
528 | offset += (ha->hw.flt_chap_size / 2); | |
529 | offset += (chap_tbl_idx * chap_size); | |
530 | } | |
531 | ||
532 | ret = qla4xxx_get_flash(ha, chap_dma, offset, chap_size); | |
533 | if (ret != QLA_SUCCESS) { | |
534 | ret = -EINVAL; | |
535 | goto exit_delete_chap; | |
536 | } | |
537 | ||
538 | DEBUG2(ql4_printk(KERN_INFO, ha, "Chap Cookie: x%x\n", | |
539 | __le16_to_cpu(chap_table->cookie))); | |
540 | ||
541 | if (__le16_to_cpu(chap_table->cookie) != CHAP_VALID_COOKIE) { | |
542 | ql4_printk(KERN_ERR, ha, "No valid chap entry found\n"); | |
543 | goto exit_delete_chap; | |
544 | } | |
545 | ||
546 | chap_table->cookie = __constant_cpu_to_le16(0xFFFF); | |
547 | ||
548 | offset = FLASH_CHAP_OFFSET | | |
549 | (chap_tbl_idx * sizeof(struct ql4_chap_table)); | |
550 | ret = qla4xxx_set_flash(ha, chap_dma, offset, chap_size, | |
551 | FLASH_OPT_RMW_COMMIT); | |
552 | if (ret == QLA_SUCCESS && ha->chap_list) { | |
553 | mutex_lock(&ha->chap_sem); | |
554 | /* Update ha chap_list cache */ | |
555 | memcpy((struct ql4_chap_table *)ha->chap_list + chap_tbl_idx, | |
556 | chap_table, sizeof(struct ql4_chap_table)); | |
557 | mutex_unlock(&ha->chap_sem); | |
558 | } | |
559 | if (ret != QLA_SUCCESS) | |
560 | ret = -EINVAL; | |
561 | ||
562 | exit_delete_chap: | |
563 | dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma); | |
564 | return ret; | |
565 | } | |
566 | ||
ed1086e0 VC |
567 | static int qla4xxx_get_iface_param(struct iscsi_iface *iface, |
568 | enum iscsi_param_type param_type, | |
569 | int param, char *buf) | |
570 | { | |
571 | struct Scsi_Host *shost = iscsi_iface_to_shost(iface); | |
572 | struct scsi_qla_host *ha = to_qla_host(shost); | |
573 | int len = -ENOSYS; | |
574 | ||
575 | if (param_type != ISCSI_NET_PARAM) | |
576 | return -ENOSYS; | |
577 | ||
578 | switch (param) { | |
579 | case ISCSI_NET_PARAM_IPV4_ADDR: | |
580 | len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address); | |
581 | break; | |
582 | case ISCSI_NET_PARAM_IPV4_SUBNET: | |
583 | len = sprintf(buf, "%pI4\n", &ha->ip_config.subnet_mask); | |
584 | break; | |
585 | case ISCSI_NET_PARAM_IPV4_GW: | |
586 | len = sprintf(buf, "%pI4\n", &ha->ip_config.gateway); | |
587 | break; | |
588 | case ISCSI_NET_PARAM_IFACE_ENABLE: | |
589 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) | |
590 | len = sprintf(buf, "%s\n", | |
591 | (ha->ip_config.ipv4_options & | |
592 | IPOPT_IPV4_PROTOCOL_ENABLE) ? | |
593 | "enabled" : "disabled"); | |
594 | else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6) | |
595 | len = sprintf(buf, "%s\n", | |
596 | (ha->ip_config.ipv6_options & | |
597 | IPV6_OPT_IPV6_PROTOCOL_ENABLE) ? | |
598 | "enabled" : "disabled"); | |
599 | break; | |
600 | case ISCSI_NET_PARAM_IPV4_BOOTPROTO: | |
601 | len = sprintf(buf, "%s\n", | |
602 | (ha->ip_config.tcp_options & TCPOPT_DHCP_ENABLE) ? | |
603 | "dhcp" : "static"); | |
604 | break; | |
605 | case ISCSI_NET_PARAM_IPV6_ADDR: | |
606 | if (iface->iface_num == 0) | |
607 | len = sprintf(buf, "%pI6\n", &ha->ip_config.ipv6_addr0); | |
608 | if (iface->iface_num == 1) | |
609 | len = sprintf(buf, "%pI6\n", &ha->ip_config.ipv6_addr1); | |
610 | break; | |
611 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL: | |
612 | len = sprintf(buf, "%pI6\n", | |
613 | &ha->ip_config.ipv6_link_local_addr); | |
614 | break; | |
615 | case ISCSI_NET_PARAM_IPV6_ROUTER: | |
616 | len = sprintf(buf, "%pI6\n", | |
617 | &ha->ip_config.ipv6_default_router_addr); | |
618 | break; | |
619 | case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: | |
620 | len = sprintf(buf, "%s\n", | |
621 | (ha->ip_config.ipv6_addl_options & | |
622 | IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE) ? | |
623 | "nd" : "static"); | |
624 | break; | |
625 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: | |
626 | len = sprintf(buf, "%s\n", | |
627 | (ha->ip_config.ipv6_addl_options & | |
628 | IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR) ? | |
629 | "auto" : "static"); | |
630 | break; | |
6ac73e8c VC |
631 | case ISCSI_NET_PARAM_VLAN_ID: |
632 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) | |
633 | len = sprintf(buf, "%d\n", | |
634 | (ha->ip_config.ipv4_vlan_tag & | |
635 | ISCSI_MAX_VLAN_ID)); | |
636 | else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6) | |
637 | len = sprintf(buf, "%d\n", | |
638 | (ha->ip_config.ipv6_vlan_tag & | |
639 | ISCSI_MAX_VLAN_ID)); | |
640 | break; | |
641 | case ISCSI_NET_PARAM_VLAN_PRIORITY: | |
642 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) | |
643 | len = sprintf(buf, "%d\n", | |
644 | ((ha->ip_config.ipv4_vlan_tag >> 13) & | |
645 | ISCSI_MAX_VLAN_PRIORITY)); | |
646 | else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6) | |
647 | len = sprintf(buf, "%d\n", | |
648 | ((ha->ip_config.ipv6_vlan_tag >> 13) & | |
649 | ISCSI_MAX_VLAN_PRIORITY)); | |
650 | break; | |
651 | case ISCSI_NET_PARAM_VLAN_ENABLED: | |
652 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) | |
653 | len = sprintf(buf, "%s\n", | |
654 | (ha->ip_config.ipv4_options & | |
655 | IPOPT_VLAN_TAGGING_ENABLE) ? | |
656 | "enabled" : "disabled"); | |
657 | else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6) | |
658 | len = sprintf(buf, "%s\n", | |
659 | (ha->ip_config.ipv6_options & | |
660 | IPV6_OPT_VLAN_TAGGING_ENABLE) ? | |
661 | "enabled" : "disabled"); | |
662 | break; | |
943c157b VC |
663 | case ISCSI_NET_PARAM_MTU: |
664 | len = sprintf(buf, "%d\n", ha->ip_config.eth_mtu_size); | |
665 | break; | |
2ada7fc5 VC |
666 | case ISCSI_NET_PARAM_PORT: |
667 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) | |
668 | len = sprintf(buf, "%d\n", ha->ip_config.ipv4_port); | |
669 | else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6) | |
670 | len = sprintf(buf, "%d\n", ha->ip_config.ipv6_port); | |
671 | break; | |
ed1086e0 VC |
672 | default: |
673 | len = -ENOSYS; | |
674 | } | |
675 | ||
676 | return len; | |
677 | } | |
678 | ||
b3a271a9 MR |
679 | static struct iscsi_endpoint * |
680 | qla4xxx_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr, | |
681 | int non_blocking) | |
5c656af7 | 682 | { |
b3a271a9 MR |
683 | int ret; |
684 | struct iscsi_endpoint *ep; | |
685 | struct qla_endpoint *qla_ep; | |
686 | struct scsi_qla_host *ha; | |
687 | struct sockaddr_in *addr; | |
688 | struct sockaddr_in6 *addr6; | |
5c656af7 | 689 | |
b3a271a9 MR |
690 | DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); |
691 | if (!shost) { | |
692 | ret = -ENXIO; | |
693 | printk(KERN_ERR "%s: shost is NULL\n", | |
694 | __func__); | |
695 | return ERR_PTR(ret); | |
696 | } | |
5c656af7 | 697 | |
b3a271a9 MR |
698 | ha = iscsi_host_priv(shost); |
699 | ||
700 | ep = iscsi_create_endpoint(sizeof(struct qla_endpoint)); | |
701 | if (!ep) { | |
702 | ret = -ENOMEM; | |
703 | return ERR_PTR(ret); | |
704 | } | |
705 | ||
706 | qla_ep = ep->dd_data; | |
707 | memset(qla_ep, 0, sizeof(struct qla_endpoint)); | |
708 | if (dst_addr->sa_family == AF_INET) { | |
709 | memcpy(&qla_ep->dst_addr, dst_addr, sizeof(struct sockaddr_in)); | |
710 | addr = (struct sockaddr_in *)&qla_ep->dst_addr; | |
711 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI4\n", __func__, | |
712 | (char *)&addr->sin_addr)); | |
713 | } else if (dst_addr->sa_family == AF_INET6) { | |
714 | memcpy(&qla_ep->dst_addr, dst_addr, | |
715 | sizeof(struct sockaddr_in6)); | |
716 | addr6 = (struct sockaddr_in6 *)&qla_ep->dst_addr; | |
717 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI6\n", __func__, | |
718 | (char *)&addr6->sin6_addr)); | |
719 | } | |
720 | ||
721 | qla_ep->host = shost; | |
722 | ||
723 | return ep; | |
5c656af7 MC |
724 | } |
725 | ||
b3a271a9 | 726 | static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms) |
afaf5a2d | 727 | { |
b3a271a9 MR |
728 | struct qla_endpoint *qla_ep; |
729 | struct scsi_qla_host *ha; | |
730 | int ret = 0; | |
afaf5a2d | 731 | |
b3a271a9 MR |
732 | DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); |
733 | qla_ep = ep->dd_data; | |
734 | ha = to_qla_host(qla_ep->host); | |
735 | ||
13483730 | 736 | if (adapter_up(ha) && !test_bit(AF_BUILD_DDB_LIST, &ha->flags)) |
b3a271a9 MR |
737 | ret = 1; |
738 | ||
739 | return ret; | |
740 | } | |
741 | ||
742 | static void qla4xxx_ep_disconnect(struct iscsi_endpoint *ep) | |
743 | { | |
744 | DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); | |
745 | iscsi_destroy_endpoint(ep); | |
746 | } | |
747 | ||
748 | static int qla4xxx_get_ep_param(struct iscsi_endpoint *ep, | |
749 | enum iscsi_param param, | |
750 | char *buf) | |
751 | { | |
752 | struct qla_endpoint *qla_ep = ep->dd_data; | |
753 | struct sockaddr *dst_addr; | |
754 | ||
755 | DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); | |
756 | ||
757 | switch (param) { | |
758 | case ISCSI_PARAM_CONN_PORT: | |
759 | case ISCSI_PARAM_CONN_ADDRESS: | |
760 | if (!qla_ep) | |
761 | return -ENOTCONN; | |
762 | ||
763 | dst_addr = (struct sockaddr *)&qla_ep->dst_addr; | |
764 | if (!dst_addr) | |
765 | return -ENOTCONN; | |
766 | ||
767 | return iscsi_conn_get_addr_param((struct sockaddr_storage *) | |
768 | &qla_ep->dst_addr, param, buf); | |
769 | default: | |
770 | return -ENOSYS; | |
771 | } | |
772 | } | |
773 | ||
774 | static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn, | |
775 | struct iscsi_stats *stats) | |
776 | { | |
777 | struct iscsi_session *sess; | |
778 | struct iscsi_cls_session *cls_sess; | |
779 | struct ddb_entry *ddb_entry; | |
780 | struct scsi_qla_host *ha; | |
781 | struct ql_iscsi_stats *ql_iscsi_stats; | |
782 | int stats_size; | |
783 | int ret; | |
784 | dma_addr_t iscsi_stats_dma; | |
785 | ||
786 | DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); | |
568d303b | 787 | |
b3a271a9 MR |
788 | cls_sess = iscsi_conn_to_session(cls_conn); |
789 | sess = cls_sess->dd_data; | |
790 | ddb_entry = sess->dd_data; | |
791 | ha = ddb_entry->ha; | |
792 | ||
793 | stats_size = PAGE_ALIGN(sizeof(struct ql_iscsi_stats)); | |
794 | /* Allocate memory */ | |
795 | ql_iscsi_stats = dma_alloc_coherent(&ha->pdev->dev, stats_size, | |
796 | &iscsi_stats_dma, GFP_KERNEL); | |
797 | if (!ql_iscsi_stats) { | |
798 | ql4_printk(KERN_ERR, ha, | |
799 | "Unable to allocate memory for iscsi stats\n"); | |
800 | goto exit_get_stats; | |
568d303b | 801 | } |
b3a271a9 MR |
802 | |
803 | ret = qla4xxx_get_mgmt_data(ha, ddb_entry->fw_ddb_index, stats_size, | |
804 | iscsi_stats_dma); | |
805 | if (ret != QLA_SUCCESS) { | |
806 | ql4_printk(KERN_ERR, ha, | |
59e13d48 | 807 | "Unable to retrieve iscsi stats\n"); |
b3a271a9 MR |
808 | goto free_stats; |
809 | } | |
810 | ||
811 | /* octets */ | |
812 | stats->txdata_octets = le64_to_cpu(ql_iscsi_stats->tx_data_octets); | |
813 | stats->rxdata_octets = le64_to_cpu(ql_iscsi_stats->rx_data_octets); | |
814 | /* xmit pdus */ | |
815 | stats->noptx_pdus = le32_to_cpu(ql_iscsi_stats->tx_nopout_pdus); | |
816 | stats->scsicmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_cmd_pdus); | |
817 | stats->tmfcmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_tmf_cmd_pdus); | |
818 | stats->login_pdus = le32_to_cpu(ql_iscsi_stats->tx_login_cmd_pdus); | |
819 | stats->text_pdus = le32_to_cpu(ql_iscsi_stats->tx_text_cmd_pdus); | |
820 | stats->dataout_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_write_pdus); | |
821 | stats->logout_pdus = le32_to_cpu(ql_iscsi_stats->tx_logout_cmd_pdus); | |
822 | stats->snack_pdus = le32_to_cpu(ql_iscsi_stats->tx_snack_req_pdus); | |
823 | /* recv pdus */ | |
824 | stats->noprx_pdus = le32_to_cpu(ql_iscsi_stats->rx_nopin_pdus); | |
825 | stats->scsirsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_resp_pdus); | |
826 | stats->tmfrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_tmf_resp_pdus); | |
827 | stats->textrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_text_resp_pdus); | |
828 | stats->datain_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_read_pdus); | |
829 | stats->logoutrsp_pdus = | |
830 | le32_to_cpu(ql_iscsi_stats->rx_logout_resp_pdus); | |
831 | stats->r2t_pdus = le32_to_cpu(ql_iscsi_stats->rx_r2t_pdus); | |
832 | stats->async_pdus = le32_to_cpu(ql_iscsi_stats->rx_async_pdus); | |
833 | stats->rjt_pdus = le32_to_cpu(ql_iscsi_stats->rx_reject_pdus); | |
834 | ||
835 | free_stats: | |
836 | dma_free_coherent(&ha->pdev->dev, stats_size, ql_iscsi_stats, | |
837 | iscsi_stats_dma); | |
838 | exit_get_stats: | |
839 | return; | |
840 | } | |
841 | ||
842 | static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc) | |
843 | { | |
844 | struct iscsi_cls_session *session; | |
845 | struct iscsi_session *sess; | |
846 | unsigned long flags; | |
847 | enum blk_eh_timer_return ret = BLK_EH_NOT_HANDLED; | |
848 | ||
849 | session = starget_to_session(scsi_target(sc->device)); | |
850 | sess = session->dd_data; | |
851 | ||
852 | spin_lock_irqsave(&session->lock, flags); | |
853 | if (session->state == ISCSI_SESSION_FAILED) | |
854 | ret = BLK_EH_RESET_TIMER; | |
855 | spin_unlock_irqrestore(&session->lock, flags); | |
856 | ||
857 | return ret; | |
afaf5a2d DS |
858 | } |
859 | ||
3254dbe9 VC |
860 | static void qla4xxx_set_port_speed(struct Scsi_Host *shost) |
861 | { | |
862 | struct scsi_qla_host *ha = to_qla_host(shost); | |
e16d166e | 863 | struct iscsi_cls_host *ihost = shost->shost_data; |
3254dbe9 VC |
864 | uint32_t speed = ISCSI_PORT_SPEED_UNKNOWN; |
865 | ||
866 | qla4xxx_get_firmware_state(ha); | |
867 | ||
868 | switch (ha->addl_fw_state & 0x0F00) { | |
869 | case FW_ADDSTATE_LINK_SPEED_10MBPS: | |
870 | speed = ISCSI_PORT_SPEED_10MBPS; | |
871 | break; | |
872 | case FW_ADDSTATE_LINK_SPEED_100MBPS: | |
873 | speed = ISCSI_PORT_SPEED_100MBPS; | |
874 | break; | |
875 | case FW_ADDSTATE_LINK_SPEED_1GBPS: | |
876 | speed = ISCSI_PORT_SPEED_1GBPS; | |
877 | break; | |
878 | case FW_ADDSTATE_LINK_SPEED_10GBPS: | |
879 | speed = ISCSI_PORT_SPEED_10GBPS; | |
880 | break; | |
881 | } | |
882 | ihost->port_speed = speed; | |
883 | } | |
884 | ||
885 | static void qla4xxx_set_port_state(struct Scsi_Host *shost) | |
886 | { | |
887 | struct scsi_qla_host *ha = to_qla_host(shost); | |
e16d166e | 888 | struct iscsi_cls_host *ihost = shost->shost_data; |
3254dbe9 VC |
889 | uint32_t state = ISCSI_PORT_STATE_DOWN; |
890 | ||
891 | if (test_bit(AF_LINK_UP, &ha->flags)) | |
892 | state = ISCSI_PORT_STATE_UP; | |
893 | ||
894 | ihost->port_state = state; | |
895 | } | |
896 | ||
aa1e93a2 MC |
897 | static int qla4xxx_host_get_param(struct Scsi_Host *shost, |
898 | enum iscsi_host_param param, char *buf) | |
899 | { | |
900 | struct scsi_qla_host *ha = to_qla_host(shost); | |
901 | int len; | |
902 | ||
903 | switch (param) { | |
904 | case ISCSI_HOST_PARAM_HWADDRESS: | |
7ffc49a6 | 905 | len = sysfs_format_mac(buf, ha->my_mac, MAC_ADDR_LEN); |
8ad5781a | 906 | break; |
22236961 | 907 | case ISCSI_HOST_PARAM_IPADDRESS: |
2bab08fc | 908 | len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address); |
22236961 | 909 | break; |
8ad5781a | 910 | case ISCSI_HOST_PARAM_INITIATOR_NAME: |
22236961 | 911 | len = sprintf(buf, "%s\n", ha->name_string); |
aa1e93a2 | 912 | break; |
3254dbe9 VC |
913 | case ISCSI_HOST_PARAM_PORT_STATE: |
914 | qla4xxx_set_port_state(shost); | |
915 | len = sprintf(buf, "%s\n", iscsi_get_port_state_name(shost)); | |
916 | break; | |
917 | case ISCSI_HOST_PARAM_PORT_SPEED: | |
918 | qla4xxx_set_port_speed(shost); | |
919 | len = sprintf(buf, "%s\n", iscsi_get_port_speed_name(shost)); | |
920 | break; | |
aa1e93a2 MC |
921 | default: |
922 | return -ENOSYS; | |
923 | } | |
924 | ||
925 | return len; | |
926 | } | |
927 | ||
ed1086e0 VC |
928 | static void qla4xxx_create_ipv4_iface(struct scsi_qla_host *ha) |
929 | { | |
930 | if (ha->iface_ipv4) | |
931 | return; | |
932 | ||
933 | /* IPv4 */ | |
934 | ha->iface_ipv4 = iscsi_create_iface(ha->host, | |
935 | &qla4xxx_iscsi_transport, | |
936 | ISCSI_IFACE_TYPE_IPV4, 0, 0); | |
937 | if (!ha->iface_ipv4) | |
938 | ql4_printk(KERN_ERR, ha, "Could not create IPv4 iSCSI " | |
939 | "iface0.\n"); | |
940 | } | |
941 | ||
942 | static void qla4xxx_create_ipv6_iface(struct scsi_qla_host *ha) | |
943 | { | |
944 | if (!ha->iface_ipv6_0) | |
945 | /* IPv6 iface-0 */ | |
946 | ha->iface_ipv6_0 = iscsi_create_iface(ha->host, | |
947 | &qla4xxx_iscsi_transport, | |
948 | ISCSI_IFACE_TYPE_IPV6, 0, | |
949 | 0); | |
950 | if (!ha->iface_ipv6_0) | |
951 | ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI " | |
952 | "iface0.\n"); | |
953 | ||
954 | if (!ha->iface_ipv6_1) | |
955 | /* IPv6 iface-1 */ | |
956 | ha->iface_ipv6_1 = iscsi_create_iface(ha->host, | |
957 | &qla4xxx_iscsi_transport, | |
958 | ISCSI_IFACE_TYPE_IPV6, 1, | |
959 | 0); | |
960 | if (!ha->iface_ipv6_1) | |
961 | ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI " | |
962 | "iface1.\n"); | |
963 | } | |
964 | ||
965 | static void qla4xxx_create_ifaces(struct scsi_qla_host *ha) | |
966 | { | |
967 | if (ha->ip_config.ipv4_options & IPOPT_IPV4_PROTOCOL_ENABLE) | |
968 | qla4xxx_create_ipv4_iface(ha); | |
969 | ||
970 | if (ha->ip_config.ipv6_options & IPV6_OPT_IPV6_PROTOCOL_ENABLE) | |
971 | qla4xxx_create_ipv6_iface(ha); | |
972 | } | |
973 | ||
974 | static void qla4xxx_destroy_ipv4_iface(struct scsi_qla_host *ha) | |
975 | { | |
976 | if (ha->iface_ipv4) { | |
977 | iscsi_destroy_iface(ha->iface_ipv4); | |
978 | ha->iface_ipv4 = NULL; | |
979 | } | |
980 | } | |
981 | ||
982 | static void qla4xxx_destroy_ipv6_iface(struct scsi_qla_host *ha) | |
983 | { | |
984 | if (ha->iface_ipv6_0) { | |
985 | iscsi_destroy_iface(ha->iface_ipv6_0); | |
986 | ha->iface_ipv6_0 = NULL; | |
987 | } | |
988 | if (ha->iface_ipv6_1) { | |
989 | iscsi_destroy_iface(ha->iface_ipv6_1); | |
990 | ha->iface_ipv6_1 = NULL; | |
991 | } | |
992 | } | |
993 | ||
994 | static void qla4xxx_destroy_ifaces(struct scsi_qla_host *ha) | |
995 | { | |
996 | qla4xxx_destroy_ipv4_iface(ha); | |
997 | qla4xxx_destroy_ipv6_iface(ha); | |
998 | } | |
999 | ||
d00efe3f MC |
1000 | static void qla4xxx_set_ipv6(struct scsi_qla_host *ha, |
1001 | struct iscsi_iface_param_info *iface_param, | |
1002 | struct addr_ctrl_blk *init_fw_cb) | |
1003 | { | |
1004 | /* | |
1005 | * iface_num 0 is valid for IPv6 Addr, linklocal, router, autocfg. | |
1006 | * iface_num 1 is valid only for IPv6 Addr. | |
1007 | */ | |
1008 | switch (iface_param->param) { | |
1009 | case ISCSI_NET_PARAM_IPV6_ADDR: | |
1010 | if (iface_param->iface_num & 0x1) | |
1011 | /* IPv6 Addr 1 */ | |
1012 | memcpy(init_fw_cb->ipv6_addr1, iface_param->value, | |
1013 | sizeof(init_fw_cb->ipv6_addr1)); | |
1014 | else | |
1015 | /* IPv6 Addr 0 */ | |
1016 | memcpy(init_fw_cb->ipv6_addr0, iface_param->value, | |
1017 | sizeof(init_fw_cb->ipv6_addr0)); | |
1018 | break; | |
1019 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL: | |
1020 | if (iface_param->iface_num & 0x1) | |
1021 | break; | |
1022 | memcpy(init_fw_cb->ipv6_if_id, &iface_param->value[8], | |
1023 | sizeof(init_fw_cb->ipv6_if_id)); | |
1024 | break; | |
1025 | case ISCSI_NET_PARAM_IPV6_ROUTER: | |
1026 | if (iface_param->iface_num & 0x1) | |
1027 | break; | |
1028 | memcpy(init_fw_cb->ipv6_dflt_rtr_addr, iface_param->value, | |
1029 | sizeof(init_fw_cb->ipv6_dflt_rtr_addr)); | |
1030 | break; | |
1031 | case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: | |
1032 | /* Autocfg applies to even interface */ | |
1033 | if (iface_param->iface_num & 0x1) | |
1034 | break; | |
1035 | ||
1036 | if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_DISABLE) | |
1037 | init_fw_cb->ipv6_addtl_opts &= | |
1038 | cpu_to_le16( | |
1039 | ~IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE); | |
1040 | else if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_ND_ENABLE) | |
1041 | init_fw_cb->ipv6_addtl_opts |= | |
1042 | cpu_to_le16( | |
1043 | IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE); | |
1044 | else | |
1045 | ql4_printk(KERN_ERR, ha, "Invalid autocfg setting for " | |
1046 | "IPv6 addr\n"); | |
1047 | break; | |
1048 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: | |
1049 | /* Autocfg applies to even interface */ | |
1050 | if (iface_param->iface_num & 0x1) | |
1051 | break; | |
1052 | ||
1053 | if (iface_param->value[0] == | |
1054 | ISCSI_IPV6_LINKLOCAL_AUTOCFG_ENABLE) | |
1055 | init_fw_cb->ipv6_addtl_opts |= cpu_to_le16( | |
1056 | IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR); | |
1057 | else if (iface_param->value[0] == | |
1058 | ISCSI_IPV6_LINKLOCAL_AUTOCFG_DISABLE) | |
1059 | init_fw_cb->ipv6_addtl_opts &= cpu_to_le16( | |
1060 | ~IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR); | |
1061 | else | |
1062 | ql4_printk(KERN_ERR, ha, "Invalid autocfg setting for " | |
1063 | "IPv6 linklocal addr\n"); | |
1064 | break; | |
1065 | case ISCSI_NET_PARAM_IPV6_ROUTER_AUTOCFG: | |
1066 | /* Autocfg applies to even interface */ | |
1067 | if (iface_param->iface_num & 0x1) | |
1068 | break; | |
1069 | ||
1070 | if (iface_param->value[0] == ISCSI_IPV6_ROUTER_AUTOCFG_ENABLE) | |
1071 | memset(init_fw_cb->ipv6_dflt_rtr_addr, 0, | |
1072 | sizeof(init_fw_cb->ipv6_dflt_rtr_addr)); | |
1073 | break; | |
1074 | case ISCSI_NET_PARAM_IFACE_ENABLE: | |
ed1086e0 | 1075 | if (iface_param->value[0] == ISCSI_IFACE_ENABLE) { |
d00efe3f MC |
1076 | init_fw_cb->ipv6_opts |= |
1077 | cpu_to_le16(IPV6_OPT_IPV6_PROTOCOL_ENABLE); | |
ed1086e0 VC |
1078 | qla4xxx_create_ipv6_iface(ha); |
1079 | } else { | |
d00efe3f MC |
1080 | init_fw_cb->ipv6_opts &= |
1081 | cpu_to_le16(~IPV6_OPT_IPV6_PROTOCOL_ENABLE & | |
1082 | 0xFFFF); | |
ed1086e0 VC |
1083 | qla4xxx_destroy_ipv6_iface(ha); |
1084 | } | |
d00efe3f | 1085 | break; |
2d63673b | 1086 | case ISCSI_NET_PARAM_VLAN_TAG: |
d00efe3f MC |
1087 | if (iface_param->len != sizeof(init_fw_cb->ipv6_vlan_tag)) |
1088 | break; | |
6ac73e8c VC |
1089 | init_fw_cb->ipv6_vlan_tag = |
1090 | cpu_to_be16(*(uint16_t *)iface_param->value); | |
1091 | break; | |
1092 | case ISCSI_NET_PARAM_VLAN_ENABLED: | |
1093 | if (iface_param->value[0] == ISCSI_VLAN_ENABLE) | |
1094 | init_fw_cb->ipv6_opts |= | |
1095 | cpu_to_le16(IPV6_OPT_VLAN_TAGGING_ENABLE); | |
1096 | else | |
1097 | init_fw_cb->ipv6_opts &= | |
1098 | cpu_to_le16(~IPV6_OPT_VLAN_TAGGING_ENABLE); | |
d00efe3f | 1099 | break; |
943c157b VC |
1100 | case ISCSI_NET_PARAM_MTU: |
1101 | init_fw_cb->eth_mtu_size = | |
1102 | cpu_to_le16(*(uint16_t *)iface_param->value); | |
1103 | break; | |
2ada7fc5 VC |
1104 | case ISCSI_NET_PARAM_PORT: |
1105 | /* Autocfg applies to even interface */ | |
1106 | if (iface_param->iface_num & 0x1) | |
1107 | break; | |
1108 | ||
1109 | init_fw_cb->ipv6_port = | |
1110 | cpu_to_le16(*(uint16_t *)iface_param->value); | |
1111 | break; | |
d00efe3f MC |
1112 | default: |
1113 | ql4_printk(KERN_ERR, ha, "Unknown IPv6 param = %d\n", | |
1114 | iface_param->param); | |
1115 | break; | |
1116 | } | |
1117 | } | |
1118 | ||
1119 | static void qla4xxx_set_ipv4(struct scsi_qla_host *ha, | |
1120 | struct iscsi_iface_param_info *iface_param, | |
1121 | struct addr_ctrl_blk *init_fw_cb) | |
1122 | { | |
1123 | switch (iface_param->param) { | |
1124 | case ISCSI_NET_PARAM_IPV4_ADDR: | |
1125 | memcpy(init_fw_cb->ipv4_addr, iface_param->value, | |
1126 | sizeof(init_fw_cb->ipv4_addr)); | |
1127 | break; | |
1128 | case ISCSI_NET_PARAM_IPV4_SUBNET: | |
1129 | memcpy(init_fw_cb->ipv4_subnet, iface_param->value, | |
1130 | sizeof(init_fw_cb->ipv4_subnet)); | |
1131 | break; | |
1132 | case ISCSI_NET_PARAM_IPV4_GW: | |
1133 | memcpy(init_fw_cb->ipv4_gw_addr, iface_param->value, | |
1134 | sizeof(init_fw_cb->ipv4_gw_addr)); | |
1135 | break; | |
1136 | case ISCSI_NET_PARAM_IPV4_BOOTPROTO: | |
1137 | if (iface_param->value[0] == ISCSI_BOOTPROTO_DHCP) | |
1138 | init_fw_cb->ipv4_tcp_opts |= | |
1139 | cpu_to_le16(TCPOPT_DHCP_ENABLE); | |
1140 | else if (iface_param->value[0] == ISCSI_BOOTPROTO_STATIC) | |
1141 | init_fw_cb->ipv4_tcp_opts &= | |
1142 | cpu_to_le16(~TCPOPT_DHCP_ENABLE); | |
1143 | else | |
1144 | ql4_printk(KERN_ERR, ha, "Invalid IPv4 bootproto\n"); | |
1145 | break; | |
1146 | case ISCSI_NET_PARAM_IFACE_ENABLE: | |
ed1086e0 | 1147 | if (iface_param->value[0] == ISCSI_IFACE_ENABLE) { |
d00efe3f | 1148 | init_fw_cb->ipv4_ip_opts |= |
2bab08fc | 1149 | cpu_to_le16(IPOPT_IPV4_PROTOCOL_ENABLE); |
ed1086e0 VC |
1150 | qla4xxx_create_ipv4_iface(ha); |
1151 | } else { | |
d00efe3f | 1152 | init_fw_cb->ipv4_ip_opts &= |
2bab08fc | 1153 | cpu_to_le16(~IPOPT_IPV4_PROTOCOL_ENABLE & |
d00efe3f | 1154 | 0xFFFF); |
ed1086e0 VC |
1155 | qla4xxx_destroy_ipv4_iface(ha); |
1156 | } | |
d00efe3f | 1157 | break; |
2d63673b | 1158 | case ISCSI_NET_PARAM_VLAN_TAG: |
d00efe3f MC |
1159 | if (iface_param->len != sizeof(init_fw_cb->ipv4_vlan_tag)) |
1160 | break; | |
6ac73e8c VC |
1161 | init_fw_cb->ipv4_vlan_tag = |
1162 | cpu_to_be16(*(uint16_t *)iface_param->value); | |
1163 | break; | |
1164 | case ISCSI_NET_PARAM_VLAN_ENABLED: | |
1165 | if (iface_param->value[0] == ISCSI_VLAN_ENABLE) | |
1166 | init_fw_cb->ipv4_ip_opts |= | |
1167 | cpu_to_le16(IPOPT_VLAN_TAGGING_ENABLE); | |
1168 | else | |
1169 | init_fw_cb->ipv4_ip_opts &= | |
1170 | cpu_to_le16(~IPOPT_VLAN_TAGGING_ENABLE); | |
d00efe3f | 1171 | break; |
943c157b VC |
1172 | case ISCSI_NET_PARAM_MTU: |
1173 | init_fw_cb->eth_mtu_size = | |
1174 | cpu_to_le16(*(uint16_t *)iface_param->value); | |
1175 | break; | |
2ada7fc5 VC |
1176 | case ISCSI_NET_PARAM_PORT: |
1177 | init_fw_cb->ipv4_port = | |
1178 | cpu_to_le16(*(uint16_t *)iface_param->value); | |
1179 | break; | |
d00efe3f MC |
1180 | default: |
1181 | ql4_printk(KERN_ERR, ha, "Unknown IPv4 param = %d\n", | |
1182 | iface_param->param); | |
1183 | break; | |
1184 | } | |
1185 | } | |
1186 | ||
1187 | static void | |
1188 | qla4xxx_initcb_to_acb(struct addr_ctrl_blk *init_fw_cb) | |
1189 | { | |
1190 | struct addr_ctrl_blk_def *acb; | |
1191 | acb = (struct addr_ctrl_blk_def *)init_fw_cb; | |
1192 | memset(acb->reserved1, 0, sizeof(acb->reserved1)); | |
1193 | memset(acb->reserved2, 0, sizeof(acb->reserved2)); | |
1194 | memset(acb->reserved3, 0, sizeof(acb->reserved3)); | |
1195 | memset(acb->reserved4, 0, sizeof(acb->reserved4)); | |
1196 | memset(acb->reserved5, 0, sizeof(acb->reserved5)); | |
1197 | memset(acb->reserved6, 0, sizeof(acb->reserved6)); | |
1198 | memset(acb->reserved7, 0, sizeof(acb->reserved7)); | |
1199 | memset(acb->reserved8, 0, sizeof(acb->reserved8)); | |
1200 | memset(acb->reserved9, 0, sizeof(acb->reserved9)); | |
1201 | memset(acb->reserved10, 0, sizeof(acb->reserved10)); | |
1202 | memset(acb->reserved11, 0, sizeof(acb->reserved11)); | |
1203 | memset(acb->reserved12, 0, sizeof(acb->reserved12)); | |
1204 | memset(acb->reserved13, 0, sizeof(acb->reserved13)); | |
1205 | memset(acb->reserved14, 0, sizeof(acb->reserved14)); | |
1206 | memset(acb->reserved15, 0, sizeof(acb->reserved15)); | |
1207 | } | |
1208 | ||
1209 | static int | |
00c31889 | 1210 | qla4xxx_iface_set_param(struct Scsi_Host *shost, void *data, uint32_t len) |
d00efe3f MC |
1211 | { |
1212 | struct scsi_qla_host *ha = to_qla_host(shost); | |
1213 | int rval = 0; | |
1214 | struct iscsi_iface_param_info *iface_param = NULL; | |
1215 | struct addr_ctrl_blk *init_fw_cb = NULL; | |
1216 | dma_addr_t init_fw_cb_dma; | |
1217 | uint32_t mbox_cmd[MBOX_REG_COUNT]; | |
1218 | uint32_t mbox_sts[MBOX_REG_COUNT]; | |
00c31889 MC |
1219 | uint32_t rem = len; |
1220 | struct nlattr *attr; | |
d00efe3f MC |
1221 | |
1222 | init_fw_cb = dma_alloc_coherent(&ha->pdev->dev, | |
1223 | sizeof(struct addr_ctrl_blk), | |
1224 | &init_fw_cb_dma, GFP_KERNEL); | |
1225 | if (!init_fw_cb) { | |
1226 | ql4_printk(KERN_ERR, ha, "%s: Unable to alloc init_cb\n", | |
1227 | __func__); | |
1228 | return -ENOMEM; | |
1229 | } | |
1230 | ||
1231 | memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk)); | |
1232 | memset(&mbox_cmd, 0, sizeof(mbox_cmd)); | |
1233 | memset(&mbox_sts, 0, sizeof(mbox_sts)); | |
1234 | ||
1235 | if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma)) { | |
1236 | ql4_printk(KERN_ERR, ha, "%s: get ifcb failed\n", __func__); | |
1237 | rval = -EIO; | |
1238 | goto exit_init_fw_cb; | |
1239 | } | |
1240 | ||
00c31889 MC |
1241 | nla_for_each_attr(attr, data, len, rem) { |
1242 | iface_param = nla_data(attr); | |
d00efe3f MC |
1243 | |
1244 | if (iface_param->param_type != ISCSI_NET_PARAM) | |
1245 | continue; | |
1246 | ||
1247 | switch (iface_param->iface_type) { | |
1248 | case ISCSI_IFACE_TYPE_IPV4: | |
1249 | switch (iface_param->iface_num) { | |
1250 | case 0: | |
1251 | qla4xxx_set_ipv4(ha, iface_param, init_fw_cb); | |
1252 | break; | |
1253 | default: | |
1254 | /* Cannot have more than one IPv4 interface */ | |
1255 | ql4_printk(KERN_ERR, ha, "Invalid IPv4 iface " | |
1256 | "number = %d\n", | |
1257 | iface_param->iface_num); | |
1258 | break; | |
1259 | } | |
1260 | break; | |
1261 | case ISCSI_IFACE_TYPE_IPV6: | |
1262 | switch (iface_param->iface_num) { | |
1263 | case 0: | |
1264 | case 1: | |
1265 | qla4xxx_set_ipv6(ha, iface_param, init_fw_cb); | |
1266 | break; | |
1267 | default: | |
1268 | /* Cannot have more than two IPv6 interface */ | |
1269 | ql4_printk(KERN_ERR, ha, "Invalid IPv6 iface " | |
1270 | "number = %d\n", | |
1271 | iface_param->iface_num); | |
1272 | break; | |
1273 | } | |
1274 | break; | |
1275 | default: | |
1276 | ql4_printk(KERN_ERR, ha, "Invalid iface type\n"); | |
1277 | break; | |
1278 | } | |
d00efe3f MC |
1279 | } |
1280 | ||
1281 | init_fw_cb->cookie = cpu_to_le32(0x11BEAD5A); | |
1282 | ||
1283 | rval = qla4xxx_set_flash(ha, init_fw_cb_dma, FLASH_SEGMENT_IFCB, | |
1284 | sizeof(struct addr_ctrl_blk), | |
1285 | FLASH_OPT_RMW_COMMIT); | |
1286 | if (rval != QLA_SUCCESS) { | |
1287 | ql4_printk(KERN_ERR, ha, "%s: set flash mbx failed\n", | |
1288 | __func__); | |
1289 | rval = -EIO; | |
1290 | goto exit_init_fw_cb; | |
1291 | } | |
1292 | ||
ce505f9d VC |
1293 | rval = qla4xxx_disable_acb(ha); |
1294 | if (rval != QLA_SUCCESS) { | |
1295 | ql4_printk(KERN_ERR, ha, "%s: disable acb mbx failed\n", | |
1296 | __func__); | |
1297 | rval = -EIO; | |
1298 | goto exit_init_fw_cb; | |
1299 | } | |
1300 | ||
1301 | wait_for_completion_timeout(&ha->disable_acb_comp, | |
1302 | DISABLE_ACB_TOV * HZ); | |
d00efe3f MC |
1303 | |
1304 | qla4xxx_initcb_to_acb(init_fw_cb); | |
1305 | ||
1306 | rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma); | |
1307 | if (rval != QLA_SUCCESS) { | |
1308 | ql4_printk(KERN_ERR, ha, "%s: set acb mbx failed\n", | |
1309 | __func__); | |
1310 | rval = -EIO; | |
1311 | goto exit_init_fw_cb; | |
1312 | } | |
1313 | ||
1314 | memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk)); | |
1315 | qla4xxx_update_local_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb, | |
1316 | init_fw_cb_dma); | |
1317 | ||
1318 | exit_init_fw_cb: | |
1319 | dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk), | |
1320 | init_fw_cb, init_fw_cb_dma); | |
1321 | ||
1322 | return rval; | |
1323 | } | |
1324 | ||
fca9f04d MC |
1325 | static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess, |
1326 | enum iscsi_param param, char *buf) | |
1327 | { | |
1328 | struct iscsi_session *sess = cls_sess->dd_data; | |
1329 | struct ddb_entry *ddb_entry = sess->dd_data; | |
1330 | struct scsi_qla_host *ha = ddb_entry->ha; | |
1331 | int rval, len; | |
1332 | uint16_t idx; | |
1333 | ||
1334 | switch (param) { | |
1335 | case ISCSI_PARAM_CHAP_IN_IDX: | |
1336 | rval = qla4xxx_get_chap_index(ha, sess->username_in, | |
1337 | sess->password_in, BIDI_CHAP, | |
1338 | &idx); | |
1339 | if (rval) | |
c7a5e0d0 MR |
1340 | len = sprintf(buf, "\n"); |
1341 | else | |
1342 | len = sprintf(buf, "%hu\n", idx); | |
fca9f04d MC |
1343 | break; |
1344 | case ISCSI_PARAM_CHAP_OUT_IDX: | |
1345 | rval = qla4xxx_get_chap_index(ha, sess->username, | |
1346 | sess->password, LOCAL_CHAP, | |
1347 | &idx); | |
1348 | if (rval) | |
c7a5e0d0 MR |
1349 | len = sprintf(buf, "\n"); |
1350 | else | |
1351 | len = sprintf(buf, "%hu\n", idx); | |
fca9f04d MC |
1352 | break; |
1353 | default: | |
1354 | return iscsi_session_get_param(cls_sess, param, buf); | |
1355 | } | |
1356 | ||
1357 | return len; | |
1358 | } | |
1359 | ||
b3a271a9 | 1360 | static int qla4xxx_conn_get_param(struct iscsi_cls_conn *cls_conn, |
afaf5a2d DS |
1361 | enum iscsi_param param, char *buf) |
1362 | { | |
b3a271a9 MR |
1363 | struct iscsi_conn *conn; |
1364 | struct qla_conn *qla_conn; | |
1365 | struct sockaddr *dst_addr; | |
1366 | int len = 0; | |
afaf5a2d | 1367 | |
b3a271a9 MR |
1368 | conn = cls_conn->dd_data; |
1369 | qla_conn = conn->dd_data; | |
d46bdeb1 | 1370 | dst_addr = (struct sockaddr *)&qla_conn->qla_ep->dst_addr; |
afaf5a2d DS |
1371 | |
1372 | switch (param) { | |
1373 | case ISCSI_PARAM_CONN_PORT: | |
afaf5a2d | 1374 | case ISCSI_PARAM_CONN_ADDRESS: |
b3a271a9 MR |
1375 | return iscsi_conn_get_addr_param((struct sockaddr_storage *) |
1376 | dst_addr, param, buf); | |
afaf5a2d | 1377 | default: |
b3a271a9 | 1378 | return iscsi_conn_get_param(cls_conn, param, buf); |
afaf5a2d DS |
1379 | } |
1380 | ||
1381 | return len; | |
b3a271a9 | 1382 | |
afaf5a2d DS |
1383 | } |
1384 | ||
13483730 MC |
1385 | int qla4xxx_get_ddb_index(struct scsi_qla_host *ha, uint16_t *ddb_index) |
1386 | { | |
1387 | uint32_t mbx_sts = 0; | |
1388 | uint16_t tmp_ddb_index; | |
1389 | int ret; | |
1390 | ||
1391 | get_ddb_index: | |
1392 | tmp_ddb_index = find_first_zero_bit(ha->ddb_idx_map, MAX_DDB_ENTRIES); | |
1393 | ||
1394 | if (tmp_ddb_index >= MAX_DDB_ENTRIES) { | |
1395 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
1396 | "Free DDB index not available\n")); | |
1397 | ret = QLA_ERROR; | |
1398 | goto exit_get_ddb_index; | |
1399 | } | |
1400 | ||
1401 | if (test_and_set_bit(tmp_ddb_index, ha->ddb_idx_map)) | |
1402 | goto get_ddb_index; | |
1403 | ||
1404 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
1405 | "Found a free DDB index at %d\n", tmp_ddb_index)); | |
1406 | ret = qla4xxx_req_ddb_entry(ha, tmp_ddb_index, &mbx_sts); | |
1407 | if (ret == QLA_ERROR) { | |
1408 | if (mbx_sts == MBOX_STS_COMMAND_ERROR) { | |
1409 | ql4_printk(KERN_INFO, ha, | |
1410 | "DDB index = %d not available trying next\n", | |
1411 | tmp_ddb_index); | |
1412 | goto get_ddb_index; | |
1413 | } | |
1414 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
1415 | "Free FW DDB not available\n")); | |
1416 | } | |
1417 | ||
1418 | *ddb_index = tmp_ddb_index; | |
1419 | ||
1420 | exit_get_ddb_index: | |
1421 | return ret; | |
1422 | } | |
1423 | ||
1424 | static int qla4xxx_match_ipaddress(struct scsi_qla_host *ha, | |
1425 | struct ddb_entry *ddb_entry, | |
1426 | char *existing_ipaddr, | |
1427 | char *user_ipaddr) | |
1428 | { | |
1429 | uint8_t dst_ipaddr[IPv6_ADDR_LEN]; | |
1430 | char formatted_ipaddr[DDB_IPADDR_LEN]; | |
1431 | int status = QLA_SUCCESS, ret = 0; | |
1432 | ||
1433 | if (ddb_entry->fw_ddb_entry.options & DDB_OPT_IPV6_DEVICE) { | |
1434 | ret = in6_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr, | |
1435 | '\0', NULL); | |
1436 | if (ret == 0) { | |
1437 | status = QLA_ERROR; | |
1438 | goto out_match; | |
1439 | } | |
1440 | ret = sprintf(formatted_ipaddr, "%pI6", dst_ipaddr); | |
1441 | } else { | |
1442 | ret = in4_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr, | |
1443 | '\0', NULL); | |
1444 | if (ret == 0) { | |
1445 | status = QLA_ERROR; | |
1446 | goto out_match; | |
1447 | } | |
1448 | ret = sprintf(formatted_ipaddr, "%pI4", dst_ipaddr); | |
1449 | } | |
1450 | ||
1451 | if (strcmp(existing_ipaddr, formatted_ipaddr)) | |
1452 | status = QLA_ERROR; | |
1453 | ||
1454 | out_match: | |
1455 | return status; | |
1456 | } | |
1457 | ||
1458 | static int qla4xxx_match_fwdb_session(struct scsi_qla_host *ha, | |
1459 | struct iscsi_cls_conn *cls_conn) | |
1460 | { | |
1461 | int idx = 0, max_ddbs, rval; | |
1462 | struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); | |
1463 | struct iscsi_session *sess, *existing_sess; | |
1464 | struct iscsi_conn *conn, *existing_conn; | |
1465 | struct ddb_entry *ddb_entry; | |
1466 | ||
1467 | sess = cls_sess->dd_data; | |
1468 | conn = cls_conn->dd_data; | |
1469 | ||
1470 | if (sess->targetname == NULL || | |
1471 | conn->persistent_address == NULL || | |
1472 | conn->persistent_port == 0) | |
1473 | return QLA_ERROR; | |
1474 | ||
1475 | max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : | |
1476 | MAX_DEV_DB_ENTRIES; | |
1477 | ||
1478 | for (idx = 0; idx < max_ddbs; idx++) { | |
1479 | ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); | |
1480 | if (ddb_entry == NULL) | |
1481 | continue; | |
1482 | ||
1483 | if (ddb_entry->ddb_type != FLASH_DDB) | |
1484 | continue; | |
1485 | ||
1486 | existing_sess = ddb_entry->sess->dd_data; | |
1487 | existing_conn = ddb_entry->conn->dd_data; | |
1488 | ||
1489 | if (existing_sess->targetname == NULL || | |
1490 | existing_conn->persistent_address == NULL || | |
1491 | existing_conn->persistent_port == 0) | |
1492 | continue; | |
1493 | ||
1494 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
1495 | "IQN = %s User IQN = %s\n", | |
1496 | existing_sess->targetname, | |
1497 | sess->targetname)); | |
1498 | ||
1499 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
1500 | "IP = %s User IP = %s\n", | |
1501 | existing_conn->persistent_address, | |
1502 | conn->persistent_address)); | |
1503 | ||
1504 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
1505 | "Port = %d User Port = %d\n", | |
1506 | existing_conn->persistent_port, | |
1507 | conn->persistent_port)); | |
1508 | ||
1509 | if (strcmp(existing_sess->targetname, sess->targetname)) | |
1510 | continue; | |
1511 | rval = qla4xxx_match_ipaddress(ha, ddb_entry, | |
1512 | existing_conn->persistent_address, | |
1513 | conn->persistent_address); | |
1514 | if (rval == QLA_ERROR) | |
1515 | continue; | |
1516 | if (existing_conn->persistent_port != conn->persistent_port) | |
1517 | continue; | |
1518 | break; | |
1519 | } | |
1520 | ||
1521 | if (idx == max_ddbs) | |
1522 | return QLA_ERROR; | |
1523 | ||
1524 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
1525 | "Match found in fwdb sessions\n")); | |
1526 | return QLA_SUCCESS; | |
1527 | } | |
1528 | ||
b3a271a9 MR |
1529 | static struct iscsi_cls_session * |
1530 | qla4xxx_session_create(struct iscsi_endpoint *ep, | |
1531 | uint16_t cmds_max, uint16_t qdepth, | |
1532 | uint32_t initial_cmdsn) | |
1533 | { | |
1534 | struct iscsi_cls_session *cls_sess; | |
1535 | struct scsi_qla_host *ha; | |
1536 | struct qla_endpoint *qla_ep; | |
1537 | struct ddb_entry *ddb_entry; | |
13483730 | 1538 | uint16_t ddb_index; |
b3a271a9 MR |
1539 | struct iscsi_session *sess; |
1540 | struct sockaddr *dst_addr; | |
1541 | int ret; | |
1542 | ||
1543 | DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); | |
1544 | if (!ep) { | |
1545 | printk(KERN_ERR "qla4xxx: missing ep.\n"); | |
1546 | return NULL; | |
1547 | } | |
1548 | ||
1549 | qla_ep = ep->dd_data; | |
1550 | dst_addr = (struct sockaddr *)&qla_ep->dst_addr; | |
1551 | ha = to_qla_host(qla_ep->host); | |
736cf369 | 1552 | |
13483730 MC |
1553 | ret = qla4xxx_get_ddb_index(ha, &ddb_index); |
1554 | if (ret == QLA_ERROR) | |
b3a271a9 | 1555 | return NULL; |
b3a271a9 MR |
1556 | |
1557 | cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, qla_ep->host, | |
1558 | cmds_max, sizeof(struct ddb_entry), | |
1559 | sizeof(struct ql4_task_data), | |
1560 | initial_cmdsn, ddb_index); | |
1561 | if (!cls_sess) | |
1562 | return NULL; | |
1563 | ||
1564 | sess = cls_sess->dd_data; | |
1565 | ddb_entry = sess->dd_data; | |
1566 | ddb_entry->fw_ddb_index = ddb_index; | |
1567 | ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE; | |
1568 | ddb_entry->ha = ha; | |
1569 | ddb_entry->sess = cls_sess; | |
13483730 MC |
1570 | ddb_entry->unblock_sess = qla4xxx_unblock_ddb; |
1571 | ddb_entry->ddb_change = qla4xxx_ddb_change; | |
b3a271a9 MR |
1572 | cls_sess->recovery_tmo = ql4xsess_recovery_tmo; |
1573 | ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = ddb_entry; | |
1574 | ha->tot_ddbs++; | |
1575 | ||
1576 | return cls_sess; | |
1577 | } | |
1578 | ||
1579 | static void qla4xxx_session_destroy(struct iscsi_cls_session *cls_sess) | |
1580 | { | |
1581 | struct iscsi_session *sess; | |
1582 | struct ddb_entry *ddb_entry; | |
1583 | struct scsi_qla_host *ha; | |
90599b62 MR |
1584 | unsigned long flags, wtime; |
1585 | struct dev_db_entry *fw_ddb_entry = NULL; | |
1586 | dma_addr_t fw_ddb_entry_dma; | |
1587 | uint32_t ddb_state; | |
1588 | int ret; | |
b3a271a9 MR |
1589 | |
1590 | DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); | |
1591 | sess = cls_sess->dd_data; | |
1592 | ddb_entry = sess->dd_data; | |
1593 | ha = ddb_entry->ha; | |
1594 | ||
90599b62 MR |
1595 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
1596 | &fw_ddb_entry_dma, GFP_KERNEL); | |
1597 | if (!fw_ddb_entry) { | |
1598 | ql4_printk(KERN_ERR, ha, | |
1599 | "%s: Unable to allocate dma buffer\n", __func__); | |
1600 | goto destroy_session; | |
1601 | } | |
1602 | ||
1603 | wtime = jiffies + (HZ * LOGOUT_TOV); | |
1604 | do { | |
1605 | ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, | |
1606 | fw_ddb_entry, fw_ddb_entry_dma, | |
1607 | NULL, NULL, &ddb_state, NULL, | |
1608 | NULL, NULL); | |
1609 | if (ret == QLA_ERROR) | |
1610 | goto destroy_session; | |
1611 | ||
1612 | if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) || | |
1613 | (ddb_state == DDB_DS_SESSION_FAILED)) | |
1614 | goto destroy_session; | |
1615 | ||
1616 | schedule_timeout_uninterruptible(HZ); | |
1617 | } while ((time_after(wtime, jiffies))); | |
1618 | ||
1619 | destroy_session: | |
736cf369 MR |
1620 | qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); |
1621 | ||
b3a271a9 MR |
1622 | spin_lock_irqsave(&ha->hardware_lock, flags); |
1623 | qla4xxx_free_ddb(ha, ddb_entry); | |
1624 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
90599b62 | 1625 | |
b3a271a9 | 1626 | iscsi_session_teardown(cls_sess); |
90599b62 MR |
1627 | |
1628 | if (fw_ddb_entry) | |
1629 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
1630 | fw_ddb_entry, fw_ddb_entry_dma); | |
b3a271a9 MR |
1631 | } |
1632 | ||
b3a271a9 MR |
1633 | static struct iscsi_cls_conn * |
1634 | qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx) | |
1635 | { | |
1636 | struct iscsi_cls_conn *cls_conn; | |
1637 | struct iscsi_session *sess; | |
1638 | struct ddb_entry *ddb_entry; | |
1639 | ||
1640 | DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); | |
1641 | cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn), | |
1642 | conn_idx); | |
ff1d0319 MC |
1643 | if (!cls_conn) |
1644 | return NULL; | |
1645 | ||
b3a271a9 MR |
1646 | sess = cls_sess->dd_data; |
1647 | ddb_entry = sess->dd_data; | |
1648 | ddb_entry->conn = cls_conn; | |
1649 | ||
1650 | return cls_conn; | |
1651 | } | |
1652 | ||
1653 | static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session, | |
1654 | struct iscsi_cls_conn *cls_conn, | |
1655 | uint64_t transport_fd, int is_leading) | |
1656 | { | |
1657 | struct iscsi_conn *conn; | |
1658 | struct qla_conn *qla_conn; | |
1659 | struct iscsi_endpoint *ep; | |
1660 | ||
1661 | DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); | |
1662 | ||
1663 | if (iscsi_conn_bind(cls_session, cls_conn, is_leading)) | |
1664 | return -EINVAL; | |
1665 | ep = iscsi_lookup_endpoint(transport_fd); | |
1666 | conn = cls_conn->dd_data; | |
1667 | qla_conn = conn->dd_data; | |
1668 | qla_conn->qla_ep = ep->dd_data; | |
1669 | return 0; | |
1670 | } | |
1671 | ||
1672 | static int qla4xxx_conn_start(struct iscsi_cls_conn *cls_conn) | |
1673 | { | |
1674 | struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); | |
1675 | struct iscsi_session *sess; | |
1676 | struct ddb_entry *ddb_entry; | |
1677 | struct scsi_qla_host *ha; | |
13483730 | 1678 | struct dev_db_entry *fw_ddb_entry = NULL; |
b3a271a9 | 1679 | dma_addr_t fw_ddb_entry_dma; |
b3a271a9 MR |
1680 | uint32_t mbx_sts = 0; |
1681 | int ret = 0; | |
1682 | int status = QLA_SUCCESS; | |
1683 | ||
1684 | DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); | |
1685 | sess = cls_sess->dd_data; | |
1686 | ddb_entry = sess->dd_data; | |
1687 | ha = ddb_entry->ha; | |
1688 | ||
13483730 MC |
1689 | /* Check if we have matching FW DDB, if yes then do not |
1690 | * login to this target. This could cause target to logout previous | |
1691 | * connection | |
1692 | */ | |
1693 | ret = qla4xxx_match_fwdb_session(ha, cls_conn); | |
1694 | if (ret == QLA_SUCCESS) { | |
1695 | ql4_printk(KERN_INFO, ha, | |
1696 | "Session already exist in FW.\n"); | |
1697 | ret = -EEXIST; | |
1698 | goto exit_conn_start; | |
1699 | } | |
1700 | ||
b3a271a9 MR |
1701 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
1702 | &fw_ddb_entry_dma, GFP_KERNEL); | |
1703 | if (!fw_ddb_entry) { | |
1704 | ql4_printk(KERN_ERR, ha, | |
1705 | "%s: Unable to allocate dma buffer\n", __func__); | |
13483730 MC |
1706 | ret = -ENOMEM; |
1707 | goto exit_conn_start; | |
b3a271a9 MR |
1708 | } |
1709 | ||
1710 | ret = qla4xxx_set_param_ddbentry(ha, ddb_entry, cls_conn, &mbx_sts); | |
1711 | if (ret) { | |
1712 | /* If iscsid is stopped and started then no need to do | |
1713 | * set param again since ddb state will be already | |
1714 | * active and FW does not allow set ddb to an | |
1715 | * active session. | |
1716 | */ | |
1717 | if (mbx_sts) | |
1718 | if (ddb_entry->fw_ddb_device_state == | |
f922da79 | 1719 | DDB_DS_SESSION_ACTIVE) { |
13483730 | 1720 | ddb_entry->unblock_sess(ddb_entry->sess); |
b3a271a9 | 1721 | goto exit_set_param; |
f922da79 | 1722 | } |
b3a271a9 MR |
1723 | |
1724 | ql4_printk(KERN_ERR, ha, "%s: Failed set param for index[%d]\n", | |
1725 | __func__, ddb_entry->fw_ddb_index); | |
1726 | goto exit_conn_start; | |
1727 | } | |
1728 | ||
1729 | status = qla4xxx_conn_open(ha, ddb_entry->fw_ddb_index); | |
1730 | if (status == QLA_ERROR) { | |
0e7e8501 MR |
1731 | ql4_printk(KERN_ERR, ha, "%s: Login failed: %s\n", __func__, |
1732 | sess->targetname); | |
b3a271a9 MR |
1733 | ret = -EINVAL; |
1734 | goto exit_conn_start; | |
1735 | } | |
1736 | ||
98270ab4 MR |
1737 | if (ddb_entry->fw_ddb_device_state == DDB_DS_NO_CONNECTION_ACTIVE) |
1738 | ddb_entry->fw_ddb_device_state = DDB_DS_LOGIN_IN_PROCESS; | |
1739 | ||
1740 | DEBUG2(printk(KERN_INFO "%s: DDB state [%d]\n", __func__, | |
1741 | ddb_entry->fw_ddb_device_state)); | |
b3a271a9 MR |
1742 | |
1743 | exit_set_param: | |
b3a271a9 MR |
1744 | ret = 0; |
1745 | ||
1746 | exit_conn_start: | |
13483730 MC |
1747 | if (fw_ddb_entry) |
1748 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
1749 | fw_ddb_entry, fw_ddb_entry_dma); | |
b3a271a9 MR |
1750 | return ret; |
1751 | } | |
1752 | ||
1753 | static void qla4xxx_conn_destroy(struct iscsi_cls_conn *cls_conn) | |
1754 | { | |
1755 | struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); | |
1756 | struct iscsi_session *sess; | |
1757 | struct scsi_qla_host *ha; | |
1758 | struct ddb_entry *ddb_entry; | |
1759 | int options; | |
1760 | ||
1761 | DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); | |
1762 | sess = cls_sess->dd_data; | |
1763 | ddb_entry = sess->dd_data; | |
1764 | ha = ddb_entry->ha; | |
1765 | ||
1766 | options = LOGOUT_OPTION_CLOSE_SESSION; | |
1767 | if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) == QLA_ERROR) | |
1768 | ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", __func__); | |
b3a271a9 MR |
1769 | } |
1770 | ||
1771 | static void qla4xxx_task_work(struct work_struct *wdata) | |
1772 | { | |
1773 | struct ql4_task_data *task_data; | |
1774 | struct scsi_qla_host *ha; | |
1775 | struct passthru_status *sts; | |
1776 | struct iscsi_task *task; | |
1777 | struct iscsi_hdr *hdr; | |
1778 | uint8_t *data; | |
1779 | uint32_t data_len; | |
1780 | struct iscsi_conn *conn; | |
1781 | int hdr_len; | |
1782 | itt_t itt; | |
1783 | ||
1784 | task_data = container_of(wdata, struct ql4_task_data, task_work); | |
1785 | ha = task_data->ha; | |
1786 | task = task_data->task; | |
1787 | sts = &task_data->sts; | |
1788 | hdr_len = sizeof(struct iscsi_hdr); | |
1789 | ||
1790 | DEBUG3(printk(KERN_INFO "Status returned\n")); | |
1791 | DEBUG3(qla4xxx_dump_buffer(sts, 64)); | |
1792 | DEBUG3(printk(KERN_INFO "Response buffer")); | |
1793 | DEBUG3(qla4xxx_dump_buffer(task_data->resp_buffer, 64)); | |
1794 | ||
1795 | conn = task->conn; | |
1796 | ||
1797 | switch (sts->completionStatus) { | |
1798 | case PASSTHRU_STATUS_COMPLETE: | |
1799 | hdr = (struct iscsi_hdr *)task_data->resp_buffer; | |
1800 | /* Assign back the itt in hdr, until we use the PREASSIGN_TAG */ | |
1801 | itt = sts->handle; | |
1802 | hdr->itt = itt; | |
1803 | data = task_data->resp_buffer + hdr_len; | |
1804 | data_len = task_data->resp_len - hdr_len; | |
1805 | iscsi_complete_pdu(conn, hdr, data, data_len); | |
1806 | break; | |
1807 | default: | |
1808 | ql4_printk(KERN_ERR, ha, "Passthru failed status = 0x%x\n", | |
1809 | sts->completionStatus); | |
1810 | break; | |
1811 | } | |
1812 | return; | |
1813 | } | |
1814 | ||
1815 | static int qla4xxx_alloc_pdu(struct iscsi_task *task, uint8_t opcode) | |
1816 | { | |
1817 | struct ql4_task_data *task_data; | |
1818 | struct iscsi_session *sess; | |
1819 | struct ddb_entry *ddb_entry; | |
1820 | struct scsi_qla_host *ha; | |
1821 | int hdr_len; | |
1822 | ||
1823 | sess = task->conn->session; | |
1824 | ddb_entry = sess->dd_data; | |
1825 | ha = ddb_entry->ha; | |
1826 | task_data = task->dd_data; | |
1827 | memset(task_data, 0, sizeof(struct ql4_task_data)); | |
1828 | ||
1829 | if (task->sc) { | |
1830 | ql4_printk(KERN_INFO, ha, | |
1831 | "%s: SCSI Commands not implemented\n", __func__); | |
1832 | return -EINVAL; | |
1833 | } | |
1834 | ||
1835 | hdr_len = sizeof(struct iscsi_hdr); | |
1836 | task_data->ha = ha; | |
1837 | task_data->task = task; | |
1838 | ||
1839 | if (task->data_count) { | |
1840 | task_data->data_dma = dma_map_single(&ha->pdev->dev, task->data, | |
1841 | task->data_count, | |
1842 | PCI_DMA_TODEVICE); | |
1843 | } | |
1844 | ||
1845 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n", | |
1846 | __func__, task->conn->max_recv_dlength, hdr_len)); | |
1847 | ||
69ca216e | 1848 | task_data->resp_len = task->conn->max_recv_dlength + hdr_len; |
b3a271a9 MR |
1849 | task_data->resp_buffer = dma_alloc_coherent(&ha->pdev->dev, |
1850 | task_data->resp_len, | |
1851 | &task_data->resp_dma, | |
1852 | GFP_ATOMIC); | |
1853 | if (!task_data->resp_buffer) | |
1854 | goto exit_alloc_pdu; | |
1855 | ||
69ca216e | 1856 | task_data->req_len = task->data_count + hdr_len; |
b3a271a9 | 1857 | task_data->req_buffer = dma_alloc_coherent(&ha->pdev->dev, |
69ca216e | 1858 | task_data->req_len, |
b3a271a9 MR |
1859 | &task_data->req_dma, |
1860 | GFP_ATOMIC); | |
1861 | if (!task_data->req_buffer) | |
1862 | goto exit_alloc_pdu; | |
1863 | ||
1864 | task->hdr = task_data->req_buffer; | |
1865 | ||
1866 | INIT_WORK(&task_data->task_work, qla4xxx_task_work); | |
1867 | ||
1868 | return 0; | |
1869 | ||
1870 | exit_alloc_pdu: | |
1871 | if (task_data->resp_buffer) | |
1872 | dma_free_coherent(&ha->pdev->dev, task_data->resp_len, | |
1873 | task_data->resp_buffer, task_data->resp_dma); | |
1874 | ||
1875 | if (task_data->req_buffer) | |
69ca216e | 1876 | dma_free_coherent(&ha->pdev->dev, task_data->req_len, |
b3a271a9 MR |
1877 | task_data->req_buffer, task_data->req_dma); |
1878 | return -ENOMEM; | |
1879 | } | |
1880 | ||
1881 | static void qla4xxx_task_cleanup(struct iscsi_task *task) | |
1882 | { | |
1883 | struct ql4_task_data *task_data; | |
1884 | struct iscsi_session *sess; | |
1885 | struct ddb_entry *ddb_entry; | |
1886 | struct scsi_qla_host *ha; | |
1887 | int hdr_len; | |
1888 | ||
1889 | hdr_len = sizeof(struct iscsi_hdr); | |
1890 | sess = task->conn->session; | |
1891 | ddb_entry = sess->dd_data; | |
1892 | ha = ddb_entry->ha; | |
1893 | task_data = task->dd_data; | |
1894 | ||
1895 | if (task->data_count) { | |
1896 | dma_unmap_single(&ha->pdev->dev, task_data->data_dma, | |
1897 | task->data_count, PCI_DMA_TODEVICE); | |
1898 | } | |
1899 | ||
1900 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n", | |
1901 | __func__, task->conn->max_recv_dlength, hdr_len)); | |
1902 | ||
1903 | dma_free_coherent(&ha->pdev->dev, task_data->resp_len, | |
1904 | task_data->resp_buffer, task_data->resp_dma); | |
69ca216e | 1905 | dma_free_coherent(&ha->pdev->dev, task_data->req_len, |
b3a271a9 MR |
1906 | task_data->req_buffer, task_data->req_dma); |
1907 | return; | |
1908 | } | |
1909 | ||
1910 | static int qla4xxx_task_xmit(struct iscsi_task *task) | |
1911 | { | |
1912 | struct scsi_cmnd *sc = task->sc; | |
1913 | struct iscsi_session *sess = task->conn->session; | |
1914 | struct ddb_entry *ddb_entry = sess->dd_data; | |
1915 | struct scsi_qla_host *ha = ddb_entry->ha; | |
1916 | ||
1917 | if (!sc) | |
1918 | return qla4xxx_send_passthru0(task); | |
1919 | ||
1920 | ql4_printk(KERN_INFO, ha, "%s: scsi cmd xmit not implemented\n", | |
1921 | __func__); | |
1922 | return -ENOSYS; | |
1923 | } | |
1924 | ||
13483730 MC |
1925 | static void qla4xxx_copy_fwddb_param(struct scsi_qla_host *ha, |
1926 | struct dev_db_entry *fw_ddb_entry, | |
1927 | struct iscsi_cls_session *cls_sess, | |
1928 | struct iscsi_cls_conn *cls_conn) | |
1929 | { | |
1930 | int buflen = 0; | |
1931 | struct iscsi_session *sess; | |
376738af | 1932 | struct ddb_entry *ddb_entry; |
13483730 MC |
1933 | struct iscsi_conn *conn; |
1934 | char ip_addr[DDB_IPADDR_LEN]; | |
1935 | uint16_t options = 0; | |
1936 | ||
1937 | sess = cls_sess->dd_data; | |
376738af | 1938 | ddb_entry = sess->dd_data; |
13483730 MC |
1939 | conn = cls_conn->dd_data; |
1940 | ||
376738af NJ |
1941 | ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); |
1942 | ||
13483730 MC |
1943 | conn->max_recv_dlength = BYTE_UNITS * |
1944 | le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len); | |
1945 | ||
1946 | conn->max_xmit_dlength = BYTE_UNITS * | |
1947 | le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len); | |
1948 | ||
1949 | sess->initial_r2t_en = | |
1950 | (BIT_10 & le16_to_cpu(fw_ddb_entry->iscsi_options)); | |
1951 | ||
1952 | sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t); | |
1953 | ||
1954 | sess->imm_data_en = (BIT_11 & le16_to_cpu(fw_ddb_entry->iscsi_options)); | |
1955 | ||
1956 | sess->first_burst = BYTE_UNITS * | |
1957 | le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len); | |
1958 | ||
1959 | sess->max_burst = BYTE_UNITS * | |
1960 | le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len); | |
1961 | ||
1962 | sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); | |
1963 | ||
1964 | sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain); | |
1965 | ||
1966 | conn->persistent_port = le16_to_cpu(fw_ddb_entry->port); | |
1967 | ||
1968 | sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); | |
1969 | ||
1970 | options = le16_to_cpu(fw_ddb_entry->options); | |
1971 | if (options & DDB_OPT_IPV6_DEVICE) | |
1972 | sprintf(ip_addr, "%pI6", fw_ddb_entry->ip_addr); | |
1973 | else | |
1974 | sprintf(ip_addr, "%pI4", fw_ddb_entry->ip_addr); | |
1975 | ||
1976 | iscsi_set_param(cls_conn, ISCSI_PARAM_TARGET_NAME, | |
1977 | (char *)fw_ddb_entry->iscsi_name, buflen); | |
1978 | iscsi_set_param(cls_conn, ISCSI_PARAM_INITIATOR_NAME, | |
1979 | (char *)ha->name_string, buflen); | |
1980 | iscsi_set_param(cls_conn, ISCSI_PARAM_PERSISTENT_ADDRESS, | |
1981 | (char *)ip_addr, buflen); | |
6c1b8789 VC |
1982 | iscsi_set_param(cls_conn, ISCSI_PARAM_TARGET_ALIAS, |
1983 | (char *)fw_ddb_entry->iscsi_alias, buflen); | |
13483730 MC |
1984 | } |
1985 | ||
1986 | void qla4xxx_update_session_conn_fwddb_param(struct scsi_qla_host *ha, | |
1987 | struct ddb_entry *ddb_entry) | |
1988 | { | |
1989 | struct iscsi_cls_session *cls_sess; | |
1990 | struct iscsi_cls_conn *cls_conn; | |
1991 | uint32_t ddb_state; | |
1992 | dma_addr_t fw_ddb_entry_dma; | |
1993 | struct dev_db_entry *fw_ddb_entry; | |
1994 | ||
1995 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
1996 | &fw_ddb_entry_dma, GFP_KERNEL); | |
1997 | if (!fw_ddb_entry) { | |
1998 | ql4_printk(KERN_ERR, ha, | |
1999 | "%s: Unable to allocate dma buffer\n", __func__); | |
2000 | goto exit_session_conn_fwddb_param; | |
2001 | } | |
2002 | ||
2003 | if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry, | |
2004 | fw_ddb_entry_dma, NULL, NULL, &ddb_state, | |
2005 | NULL, NULL, NULL) == QLA_ERROR) { | |
2006 | DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed " | |
2007 | "get_ddb_entry for fw_ddb_index %d\n", | |
2008 | ha->host_no, __func__, | |
2009 | ddb_entry->fw_ddb_index)); | |
2010 | goto exit_session_conn_fwddb_param; | |
2011 | } | |
2012 | ||
2013 | cls_sess = ddb_entry->sess; | |
2014 | ||
2015 | cls_conn = ddb_entry->conn; | |
2016 | ||
2017 | /* Update params */ | |
2018 | qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn); | |
2019 | ||
2020 | exit_session_conn_fwddb_param: | |
2021 | if (fw_ddb_entry) | |
2022 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
2023 | fw_ddb_entry, fw_ddb_entry_dma); | |
2024 | } | |
2025 | ||
b3a271a9 MR |
2026 | void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha, |
2027 | struct ddb_entry *ddb_entry) | |
2028 | { | |
2029 | struct iscsi_cls_session *cls_sess; | |
2030 | struct iscsi_cls_conn *cls_conn; | |
2031 | struct iscsi_session *sess; | |
2032 | struct iscsi_conn *conn; | |
2033 | uint32_t ddb_state; | |
2034 | dma_addr_t fw_ddb_entry_dma; | |
2035 | struct dev_db_entry *fw_ddb_entry; | |
2036 | ||
2037 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
2038 | &fw_ddb_entry_dma, GFP_KERNEL); | |
2039 | if (!fw_ddb_entry) { | |
2040 | ql4_printk(KERN_ERR, ha, | |
2041 | "%s: Unable to allocate dma buffer\n", __func__); | |
13483730 | 2042 | goto exit_session_conn_param; |
b3a271a9 MR |
2043 | } |
2044 | ||
2045 | if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry, | |
2046 | fw_ddb_entry_dma, NULL, NULL, &ddb_state, | |
2047 | NULL, NULL, NULL) == QLA_ERROR) { | |
2048 | DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed " | |
2049 | "get_ddb_entry for fw_ddb_index %d\n", | |
2050 | ha->host_no, __func__, | |
2051 | ddb_entry->fw_ddb_index)); | |
13483730 | 2052 | goto exit_session_conn_param; |
b3a271a9 MR |
2053 | } |
2054 | ||
2055 | cls_sess = ddb_entry->sess; | |
2056 | sess = cls_sess->dd_data; | |
2057 | ||
2058 | cls_conn = ddb_entry->conn; | |
2059 | conn = cls_conn->dd_data; | |
2060 | ||
13483730 MC |
2061 | /* Update timers after login */ |
2062 | ddb_entry->default_relogin_timeout = | |
c28eaaca NJ |
2063 | (le16_to_cpu(fw_ddb_entry->def_timeout) > LOGIN_TOV) && |
2064 | (le16_to_cpu(fw_ddb_entry->def_timeout) < LOGIN_TOV * 10) ? | |
2065 | le16_to_cpu(fw_ddb_entry->def_timeout) : LOGIN_TOV; | |
13483730 MC |
2066 | ddb_entry->default_time2wait = |
2067 | le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); | |
2068 | ||
b3a271a9 | 2069 | /* Update params */ |
376738af | 2070 | ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); |
b3a271a9 MR |
2071 | conn->max_recv_dlength = BYTE_UNITS * |
2072 | le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len); | |
2073 | ||
2074 | conn->max_xmit_dlength = BYTE_UNITS * | |
2075 | le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len); | |
2076 | ||
2077 | sess->initial_r2t_en = | |
2078 | (BIT_10 & le16_to_cpu(fw_ddb_entry->iscsi_options)); | |
2079 | ||
2080 | sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t); | |
2081 | ||
2082 | sess->imm_data_en = (BIT_11 & le16_to_cpu(fw_ddb_entry->iscsi_options)); | |
2083 | ||
2084 | sess->first_burst = BYTE_UNITS * | |
2085 | le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len); | |
2086 | ||
2087 | sess->max_burst = BYTE_UNITS * | |
2088 | le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len); | |
2089 | ||
2090 | sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); | |
2091 | ||
2092 | sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain); | |
2093 | ||
2094 | sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); | |
2095 | ||
2096 | memcpy(sess->initiatorname, ha->name_string, | |
2097 | min(sizeof(ha->name_string), sizeof(sess->initiatorname))); | |
13483730 | 2098 | |
6c1b8789 VC |
2099 | iscsi_set_param(cls_conn, ISCSI_PARAM_TARGET_ALIAS, |
2100 | (char *)fw_ddb_entry->iscsi_alias, 0); | |
2101 | ||
13483730 MC |
2102 | exit_session_conn_param: |
2103 | if (fw_ddb_entry) | |
2104 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
2105 | fw_ddb_entry, fw_ddb_entry_dma); | |
b3a271a9 MR |
2106 | } |
2107 | ||
afaf5a2d DS |
2108 | /* |
2109 | * Timer routines | |
2110 | */ | |
2111 | ||
2112 | static void qla4xxx_start_timer(struct scsi_qla_host *ha, void *func, | |
2113 | unsigned long interval) | |
2114 | { | |
2115 | DEBUG(printk("scsi: %s: Starting timer thread for adapter %d\n", | |
2116 | __func__, ha->host->host_no)); | |
2117 | init_timer(&ha->timer); | |
2118 | ha->timer.expires = jiffies + interval * HZ; | |
2119 | ha->timer.data = (unsigned long)ha; | |
2120 | ha->timer.function = (void (*)(unsigned long))func; | |
2121 | add_timer(&ha->timer); | |
2122 | ha->timer_active = 1; | |
2123 | } | |
2124 | ||
2125 | static void qla4xxx_stop_timer(struct scsi_qla_host *ha) | |
2126 | { | |
2127 | del_timer_sync(&ha->timer); | |
2128 | ha->timer_active = 0; | |
2129 | } | |
2130 | ||
2131 | /*** | |
b3a271a9 MR |
2132 | * qla4xxx_mark_device_missing - blocks the session |
2133 | * @cls_session: Pointer to the session to be blocked | |
afaf5a2d DS |
2134 | * @ddb_entry: Pointer to device database entry |
2135 | * | |
f4f5df23 | 2136 | * This routine marks a device missing and close connection. |
afaf5a2d | 2137 | **/ |
b3a271a9 | 2138 | void qla4xxx_mark_device_missing(struct iscsi_cls_session *cls_session) |
afaf5a2d | 2139 | { |
b3a271a9 | 2140 | iscsi_block_session(cls_session); |
afaf5a2d DS |
2141 | } |
2142 | ||
f4f5df23 VC |
2143 | /** |
2144 | * qla4xxx_mark_all_devices_missing - mark all devices as missing. | |
2145 | * @ha: Pointer to host adapter structure. | |
2146 | * | |
2147 | * This routine marks a device missing and resets the relogin retry count. | |
2148 | **/ | |
2149 | void qla4xxx_mark_all_devices_missing(struct scsi_qla_host *ha) | |
2150 | { | |
b3a271a9 | 2151 | iscsi_host_for_each_session(ha->host, qla4xxx_mark_device_missing); |
f4f5df23 VC |
2152 | } |
2153 | ||
afaf5a2d DS |
2154 | static struct srb* qla4xxx_get_new_srb(struct scsi_qla_host *ha, |
2155 | struct ddb_entry *ddb_entry, | |
8f0722ca | 2156 | struct scsi_cmnd *cmd) |
afaf5a2d DS |
2157 | { |
2158 | struct srb *srb; | |
2159 | ||
2160 | srb = mempool_alloc(ha->srb_mempool, GFP_ATOMIC); | |
2161 | if (!srb) | |
2162 | return srb; | |
2163 | ||
09a0f719 | 2164 | kref_init(&srb->srb_ref); |
afaf5a2d DS |
2165 | srb->ha = ha; |
2166 | srb->ddb = ddb_entry; | |
2167 | srb->cmd = cmd; | |
2168 | srb->flags = 0; | |
5369887a | 2169 | CMD_SP(cmd) = (void *)srb; |
afaf5a2d DS |
2170 | |
2171 | return srb; | |
2172 | } | |
2173 | ||
2174 | static void qla4xxx_srb_free_dma(struct scsi_qla_host *ha, struct srb *srb) | |
2175 | { | |
2176 | struct scsi_cmnd *cmd = srb->cmd; | |
2177 | ||
2178 | if (srb->flags & SRB_DMA_VALID) { | |
5f7186c8 | 2179 | scsi_dma_unmap(cmd); |
afaf5a2d DS |
2180 | srb->flags &= ~SRB_DMA_VALID; |
2181 | } | |
5369887a | 2182 | CMD_SP(cmd) = NULL; |
afaf5a2d DS |
2183 | } |
2184 | ||
09a0f719 | 2185 | void qla4xxx_srb_compl(struct kref *ref) |
afaf5a2d | 2186 | { |
09a0f719 | 2187 | struct srb *srb = container_of(ref, struct srb, srb_ref); |
afaf5a2d | 2188 | struct scsi_cmnd *cmd = srb->cmd; |
09a0f719 | 2189 | struct scsi_qla_host *ha = srb->ha; |
afaf5a2d DS |
2190 | |
2191 | qla4xxx_srb_free_dma(ha, srb); | |
2192 | ||
2193 | mempool_free(srb, ha->srb_mempool); | |
2194 | ||
2195 | cmd->scsi_done(cmd); | |
2196 | } | |
2197 | ||
2198 | /** | |
2199 | * qla4xxx_queuecommand - scsi layer issues scsi command to driver. | |
8f0722ca | 2200 | * @host: scsi host |
afaf5a2d | 2201 | * @cmd: Pointer to Linux's SCSI command structure |
afaf5a2d DS |
2202 | * |
2203 | * Remarks: | |
2204 | * This routine is invoked by Linux to send a SCSI command to the driver. | |
2205 | * The mid-level driver tries to ensure that queuecommand never gets | |
2206 | * invoked concurrently with itself or the interrupt handler (although | |
2207 | * the interrupt handler may call this routine as part of request- | |
2208 | * completion handling). Unfortunely, it sometimes calls the scheduler | |
2209 | * in interrupt context which is a big NO! NO!. | |
2210 | **/ | |
8f0722ca | 2211 | static int qla4xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) |
afaf5a2d | 2212 | { |
8f0722ca | 2213 | struct scsi_qla_host *ha = to_qla_host(host); |
afaf5a2d | 2214 | struct ddb_entry *ddb_entry = cmd->device->hostdata; |
7fb1921b | 2215 | struct iscsi_cls_session *sess = ddb_entry->sess; |
afaf5a2d DS |
2216 | struct srb *srb; |
2217 | int rval; | |
2218 | ||
2232be0d LC |
2219 | if (test_bit(AF_EEH_BUSY, &ha->flags)) { |
2220 | if (test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags)) | |
2221 | cmd->result = DID_NO_CONNECT << 16; | |
2222 | else | |
2223 | cmd->result = DID_REQUEUE << 16; | |
2224 | goto qc_fail_command; | |
2225 | } | |
2226 | ||
7fb1921b MC |
2227 | if (!sess) { |
2228 | cmd->result = DID_IMM_RETRY << 16; | |
2229 | goto qc_fail_command; | |
2230 | } | |
2231 | ||
2232 | rval = iscsi_session_chkready(sess); | |
2233 | if (rval) { | |
2234 | cmd->result = rval; | |
2235 | goto qc_fail_command; | |
2236 | } | |
2237 | ||
f4f5df23 VC |
2238 | if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || |
2239 | test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) || | |
2240 | test_bit(DPC_RESET_HA, &ha->dpc_flags) || | |
2241 | test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) || | |
2242 | test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) || | |
2243 | !test_bit(AF_ONLINE, &ha->flags) || | |
b3a271a9 | 2244 | !test_bit(AF_LINK_UP, &ha->flags) || |
026fbd3a | 2245 | test_bit(AF_LOOPBACK, &ha->flags) || |
f4f5df23 | 2246 | test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) |
477ffb9d DS |
2247 | goto qc_host_busy; |
2248 | ||
8f0722ca | 2249 | srb = qla4xxx_get_new_srb(ha, ddb_entry, cmd); |
afaf5a2d | 2250 | if (!srb) |
8f0722ca | 2251 | goto qc_host_busy; |
afaf5a2d DS |
2252 | |
2253 | rval = qla4xxx_send_command_to_isp(ha, srb); | |
2254 | if (rval != QLA_SUCCESS) | |
2255 | goto qc_host_busy_free_sp; | |
2256 | ||
afaf5a2d DS |
2257 | return 0; |
2258 | ||
2259 | qc_host_busy_free_sp: | |
2260 | qla4xxx_srb_free_dma(ha, srb); | |
2261 | mempool_free(srb, ha->srb_mempool); | |
2262 | ||
afaf5a2d DS |
2263 | qc_host_busy: |
2264 | return SCSI_MLQUEUE_HOST_BUSY; | |
2265 | ||
2266 | qc_fail_command: | |
8f0722ca | 2267 | cmd->scsi_done(cmd); |
afaf5a2d DS |
2268 | |
2269 | return 0; | |
2270 | } | |
2271 | ||
2272 | /** | |
2273 | * qla4xxx_mem_free - frees memory allocated to adapter | |
2274 | * @ha: Pointer to host adapter structure. | |
2275 | * | |
2276 | * Frees memory previously allocated by qla4xxx_mem_alloc | |
2277 | **/ | |
2278 | static void qla4xxx_mem_free(struct scsi_qla_host *ha) | |
2279 | { | |
2280 | if (ha->queues) | |
2281 | dma_free_coherent(&ha->pdev->dev, ha->queues_len, ha->queues, | |
2282 | ha->queues_dma); | |
2283 | ||
068237c8 TP |
2284 | if (ha->fw_dump) |
2285 | vfree(ha->fw_dump); | |
2286 | ||
afaf5a2d DS |
2287 | ha->queues_len = 0; |
2288 | ha->queues = NULL; | |
2289 | ha->queues_dma = 0; | |
2290 | ha->request_ring = NULL; | |
2291 | ha->request_dma = 0; | |
2292 | ha->response_ring = NULL; | |
2293 | ha->response_dma = 0; | |
2294 | ha->shadow_regs = NULL; | |
2295 | ha->shadow_regs_dma = 0; | |
068237c8 TP |
2296 | ha->fw_dump = NULL; |
2297 | ha->fw_dump_size = 0; | |
afaf5a2d DS |
2298 | |
2299 | /* Free srb pool. */ | |
2300 | if (ha->srb_mempool) | |
2301 | mempool_destroy(ha->srb_mempool); | |
2302 | ||
2303 | ha->srb_mempool = NULL; | |
2304 | ||
b3a271a9 MR |
2305 | if (ha->chap_dma_pool) |
2306 | dma_pool_destroy(ha->chap_dma_pool); | |
2307 | ||
4549415a LC |
2308 | if (ha->chap_list) |
2309 | vfree(ha->chap_list); | |
2310 | ha->chap_list = NULL; | |
2311 | ||
13483730 MC |
2312 | if (ha->fw_ddb_dma_pool) |
2313 | dma_pool_destroy(ha->fw_ddb_dma_pool); | |
2314 | ||
afaf5a2d | 2315 | /* release io space registers */ |
f4f5df23 VC |
2316 | if (is_qla8022(ha)) { |
2317 | if (ha->nx_pcibase) | |
2318 | iounmap( | |
2319 | (struct device_reg_82xx __iomem *)ha->nx_pcibase); | |
6e7b4292 VC |
2320 | } else if (is_qla8032(ha)) { |
2321 | if (ha->nx_pcibase) | |
2322 | iounmap( | |
2323 | (struct device_reg_83xx __iomem *)ha->nx_pcibase); | |
2324 | } else if (ha->reg) { | |
afaf5a2d | 2325 | iounmap(ha->reg); |
6e7b4292 VC |
2326 | } |
2327 | ||
2328 | if (ha->reset_tmplt.buff) | |
2329 | vfree(ha->reset_tmplt.buff); | |
2330 | ||
afaf5a2d DS |
2331 | pci_release_regions(ha->pdev); |
2332 | } | |
2333 | ||
2334 | /** | |
2335 | * qla4xxx_mem_alloc - allocates memory for use by adapter. | |
2336 | * @ha: Pointer to host adapter structure | |
2337 | * | |
2338 | * Allocates DMA memory for request and response queues. Also allocates memory | |
2339 | * for srbs. | |
2340 | **/ | |
2341 | static int qla4xxx_mem_alloc(struct scsi_qla_host *ha) | |
2342 | { | |
2343 | unsigned long align; | |
2344 | ||
2345 | /* Allocate contiguous block of DMA memory for queues. */ | |
2346 | ha->queues_len = ((REQUEST_QUEUE_DEPTH * QUEUE_SIZE) + | |
2347 | (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE) + | |
2348 | sizeof(struct shadow_regs) + | |
2349 | MEM_ALIGN_VALUE + | |
2350 | (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1); | |
2351 | ha->queues = dma_alloc_coherent(&ha->pdev->dev, ha->queues_len, | |
2352 | &ha->queues_dma, GFP_KERNEL); | |
2353 | if (ha->queues == NULL) { | |
c2660df3 VC |
2354 | ql4_printk(KERN_WARNING, ha, |
2355 | "Memory Allocation failed - queues.\n"); | |
afaf5a2d DS |
2356 | |
2357 | goto mem_alloc_error_exit; | |
2358 | } | |
2359 | memset(ha->queues, 0, ha->queues_len); | |
2360 | ||
2361 | /* | |
2362 | * As per RISC alignment requirements -- the bus-address must be a | |
2363 | * multiple of the request-ring size (in bytes). | |
2364 | */ | |
2365 | align = 0; | |
2366 | if ((unsigned long)ha->queues_dma & (MEM_ALIGN_VALUE - 1)) | |
2367 | align = MEM_ALIGN_VALUE - ((unsigned long)ha->queues_dma & | |
2368 | (MEM_ALIGN_VALUE - 1)); | |
2369 | ||
2370 | /* Update request and response queue pointers. */ | |
2371 | ha->request_dma = ha->queues_dma + align; | |
2372 | ha->request_ring = (struct queue_entry *) (ha->queues + align); | |
2373 | ha->response_dma = ha->queues_dma + align + | |
2374 | (REQUEST_QUEUE_DEPTH * QUEUE_SIZE); | |
2375 | ha->response_ring = (struct queue_entry *) (ha->queues + align + | |
2376 | (REQUEST_QUEUE_DEPTH * | |
2377 | QUEUE_SIZE)); | |
2378 | ha->shadow_regs_dma = ha->queues_dma + align + | |
2379 | (REQUEST_QUEUE_DEPTH * QUEUE_SIZE) + | |
2380 | (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE); | |
2381 | ha->shadow_regs = (struct shadow_regs *) (ha->queues + align + | |
2382 | (REQUEST_QUEUE_DEPTH * | |
2383 | QUEUE_SIZE) + | |
2384 | (RESPONSE_QUEUE_DEPTH * | |
2385 | QUEUE_SIZE)); | |
2386 | ||
2387 | /* Allocate memory for srb pool. */ | |
2388 | ha->srb_mempool = mempool_create(SRB_MIN_REQ, mempool_alloc_slab, | |
2389 | mempool_free_slab, srb_cachep); | |
2390 | if (ha->srb_mempool == NULL) { | |
c2660df3 VC |
2391 | ql4_printk(KERN_WARNING, ha, |
2392 | "Memory Allocation failed - SRB Pool.\n"); | |
afaf5a2d DS |
2393 | |
2394 | goto mem_alloc_error_exit; | |
2395 | } | |
2396 | ||
b3a271a9 MR |
2397 | ha->chap_dma_pool = dma_pool_create("ql4_chap", &ha->pdev->dev, |
2398 | CHAP_DMA_BLOCK_SIZE, 8, 0); | |
2399 | ||
2400 | if (ha->chap_dma_pool == NULL) { | |
2401 | ql4_printk(KERN_WARNING, ha, | |
2402 | "%s: chap_dma_pool allocation failed..\n", __func__); | |
2403 | goto mem_alloc_error_exit; | |
2404 | } | |
2405 | ||
13483730 MC |
2406 | ha->fw_ddb_dma_pool = dma_pool_create("ql4_fw_ddb", &ha->pdev->dev, |
2407 | DDB_DMA_BLOCK_SIZE, 8, 0); | |
2408 | ||
2409 | if (ha->fw_ddb_dma_pool == NULL) { | |
2410 | ql4_printk(KERN_WARNING, ha, | |
2411 | "%s: fw_ddb_dma_pool allocation failed..\n", | |
2412 | __func__); | |
2413 | goto mem_alloc_error_exit; | |
2414 | } | |
2415 | ||
afaf5a2d DS |
2416 | return QLA_SUCCESS; |
2417 | ||
2418 | mem_alloc_error_exit: | |
2419 | qla4xxx_mem_free(ha); | |
2420 | return QLA_ERROR; | |
2421 | } | |
2422 | ||
4f77083e MH |
2423 | /** |
2424 | * qla4_8xxx_check_temp - Check the ISP82XX temperature. | |
2425 | * @ha: adapter block pointer. | |
2426 | * | |
2427 | * Note: The caller should not hold the idc lock. | |
2428 | **/ | |
2429 | static int qla4_8xxx_check_temp(struct scsi_qla_host *ha) | |
2430 | { | |
2431 | uint32_t temp, temp_state, temp_val; | |
2432 | int status = QLA_SUCCESS; | |
2433 | ||
33693c7a | 2434 | temp = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_TEMP_STATE); |
4f77083e MH |
2435 | |
2436 | temp_state = qla82xx_get_temp_state(temp); | |
2437 | temp_val = qla82xx_get_temp_val(temp); | |
2438 | ||
2439 | if (temp_state == QLA82XX_TEMP_PANIC) { | |
2440 | ql4_printk(KERN_WARNING, ha, "Device temperature %d degrees C" | |
2441 | " exceeds maximum allowed. Hardware has been shut" | |
2442 | " down.\n", temp_val); | |
2443 | status = QLA_ERROR; | |
2444 | } else if (temp_state == QLA82XX_TEMP_WARN) { | |
2445 | if (ha->temperature == QLA82XX_TEMP_NORMAL) | |
2446 | ql4_printk(KERN_WARNING, ha, "Device temperature %d" | |
2447 | " degrees C exceeds operating range." | |
2448 | " Immediate action needed.\n", temp_val); | |
2449 | } else { | |
2450 | if (ha->temperature == QLA82XX_TEMP_WARN) | |
2451 | ql4_printk(KERN_INFO, ha, "Device temperature is" | |
2452 | " now %d degrees C in normal range.\n", | |
2453 | temp_val); | |
2454 | } | |
2455 | ha->temperature = temp_state; | |
2456 | return status; | |
2457 | } | |
2458 | ||
f4f5df23 VC |
2459 | /** |
2460 | * qla4_8xxx_check_fw_alive - Check firmware health | |
2461 | * @ha: Pointer to host adapter structure. | |
2462 | * | |
2463 | * Context: Interrupt | |
2464 | **/ | |
9ee91a38 | 2465 | static int qla4_8xxx_check_fw_alive(struct scsi_qla_host *ha) |
f4f5df23 | 2466 | { |
9ee91a38 SS |
2467 | uint32_t fw_heartbeat_counter; |
2468 | int status = QLA_SUCCESS; | |
f4f5df23 | 2469 | |
33693c7a VC |
2470 | fw_heartbeat_counter = qla4_8xxx_rd_direct(ha, |
2471 | QLA8XXX_PEG_ALIVE_COUNTER); | |
2232be0d LC |
2472 | /* If PEG_ALIVE_COUNTER is 0xffffffff, AER/EEH is in progress, ignore */ |
2473 | if (fw_heartbeat_counter == 0xffffffff) { | |
2474 | DEBUG2(printk(KERN_WARNING "scsi%ld: %s: Device in frozen " | |
2475 | "state, QLA82XX_PEG_ALIVE_COUNTER is 0xffffffff\n", | |
2476 | ha->host_no, __func__)); | |
9ee91a38 | 2477 | return status; |
2232be0d | 2478 | } |
f4f5df23 VC |
2479 | |
2480 | if (ha->fw_heartbeat_counter == fw_heartbeat_counter) { | |
2481 | ha->seconds_since_last_heartbeat++; | |
2482 | /* FW not alive after 2 seconds */ | |
2483 | if (ha->seconds_since_last_heartbeat == 2) { | |
2484 | ha->seconds_since_last_heartbeat = 0; | |
6e7b4292 | 2485 | qla4_8xxx_dump_peg_reg(ha); |
9ee91a38 | 2486 | status = QLA_ERROR; |
f4f5df23 | 2487 | } |
99457d75 LC |
2488 | } else |
2489 | ha->seconds_since_last_heartbeat = 0; | |
2490 | ||
f4f5df23 | 2491 | ha->fw_heartbeat_counter = fw_heartbeat_counter; |
9ee91a38 | 2492 | return status; |
f4f5df23 VC |
2493 | } |
2494 | ||
6e7b4292 VC |
2495 | static void qla4_8xxx_process_fw_error(struct scsi_qla_host *ha) |
2496 | { | |
2497 | uint32_t halt_status; | |
2498 | int halt_status_unrecoverable = 0; | |
2499 | ||
2500 | halt_status = qla4_8xxx_rd_direct(ha, QLA8XXX_PEG_HALT_STATUS1); | |
2501 | ||
2502 | if (is_qla8022(ha)) { | |
2503 | ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n", | |
2504 | __func__); | |
2505 | qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98, | |
2506 | CRB_NIU_XG_PAUSE_CTL_P0 | | |
2507 | CRB_NIU_XG_PAUSE_CTL_P1); | |
2508 | ||
2509 | if (QLA82XX_FWERROR_CODE(halt_status) == 0x67) | |
2510 | ql4_printk(KERN_ERR, ha, "%s: Firmware aborted with error code 0x00006700. Device is being reset\n", | |
2511 | __func__); | |
2512 | if (halt_status & HALT_STATUS_UNRECOVERABLE) | |
2513 | halt_status_unrecoverable = 1; | |
2514 | } else if (is_qla8032(ha)) { | |
2515 | if (halt_status & QLA83XX_HALT_STATUS_FW_RESET) | |
2516 | ql4_printk(KERN_ERR, ha, "%s: Firmware error detected device is being reset\n", | |
2517 | __func__); | |
2518 | else if (halt_status & QLA83XX_HALT_STATUS_UNRECOVERABLE) | |
2519 | halt_status_unrecoverable = 1; | |
2520 | } | |
2521 | ||
2522 | /* | |
2523 | * Since we cannot change dev_state in interrupt context, | |
2524 | * set appropriate DPC flag then wakeup DPC | |
2525 | */ | |
2526 | if (halt_status_unrecoverable) { | |
2527 | set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags); | |
2528 | } else { | |
2529 | ql4_printk(KERN_INFO, ha, "%s: detect abort needed!\n", | |
2530 | __func__); | |
2531 | set_bit(DPC_RESET_HA, &ha->dpc_flags); | |
2532 | } | |
2533 | qla4xxx_mailbox_premature_completion(ha); | |
2534 | qla4xxx_wake_dpc(ha); | |
2535 | } | |
2536 | ||
f4f5df23 VC |
2537 | /** |
2538 | * qla4_8xxx_watchdog - Poll dev state | |
2539 | * @ha: Pointer to host adapter structure. | |
2540 | * | |
2541 | * Context: Interrupt | |
2542 | **/ | |
2543 | void qla4_8xxx_watchdog(struct scsi_qla_host *ha) | |
2544 | { | |
6e7b4292 | 2545 | uint32_t dev_state; |
6cf94121 | 2546 | uint32_t idc_ctrl; |
f4f5df23 VC |
2547 | |
2548 | /* don't poll if reset is going on */ | |
d56a1f7b LC |
2549 | if (!(test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) || |
2550 | test_bit(DPC_RESET_HA, &ha->dpc_flags) || | |
977f46a4 | 2551 | test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags))) { |
33693c7a | 2552 | dev_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE); |
4f77083e MH |
2553 | |
2554 | if (qla4_8xxx_check_temp(ha)) { | |
6e7b4292 VC |
2555 | if (is_qla8022(ha)) { |
2556 | ql4_printk(KERN_INFO, ha, "disabling pause transmit on port 0 & 1.\n"); | |
2557 | qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98, | |
2558 | CRB_NIU_XG_PAUSE_CTL_P0 | | |
2559 | CRB_NIU_XG_PAUSE_CTL_P1); | |
2560 | } | |
4f77083e MH |
2561 | set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags); |
2562 | qla4xxx_wake_dpc(ha); | |
de8c72da | 2563 | } else if (dev_state == QLA8XXX_DEV_NEED_RESET && |
6e7b4292 | 2564 | !test_bit(DPC_RESET_HA, &ha->dpc_flags)) { |
6cf94121 VC |
2565 | |
2566 | ql4_printk(KERN_INFO, ha, "%s: HW State: NEED RESET!\n", | |
2567 | __func__); | |
2568 | ||
2569 | if (is_qla8032(ha)) { | |
2570 | idc_ctrl = qla4_83xx_rd_reg(ha, | |
2571 | QLA83XX_IDC_DRV_CTRL); | |
2572 | if (!(idc_ctrl & GRACEFUL_RESET_BIT1)) { | |
2573 | ql4_printk(KERN_INFO, ha, "%s: Graceful reset bit is not set\n", | |
2574 | __func__); | |
2575 | qla4xxx_mailbox_premature_completion( | |
2576 | ha); | |
2577 | } | |
2578 | } | |
2579 | ||
6e7b4292 VC |
2580 | if (is_qla8032(ha) || |
2581 | (is_qla8022(ha) && !ql4xdontresethba)) { | |
3930b8c1 VC |
2582 | set_bit(DPC_RESET_HA, &ha->dpc_flags); |
2583 | qla4xxx_wake_dpc(ha); | |
3930b8c1 | 2584 | } |
de8c72da | 2585 | } else if (dev_state == QLA8XXX_DEV_NEED_QUIESCENT && |
f4f5df23 | 2586 | !test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) { |
3930b8c1 VC |
2587 | ql4_printk(KERN_INFO, ha, "%s: HW State: NEED QUIES!\n", |
2588 | __func__); | |
f4f5df23 VC |
2589 | set_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags); |
2590 | qla4xxx_wake_dpc(ha); | |
2591 | } else { | |
2592 | /* Check firmware health */ | |
6e7b4292 VC |
2593 | if (qla4_8xxx_check_fw_alive(ha)) |
2594 | qla4_8xxx_process_fw_error(ha); | |
f4f5df23 VC |
2595 | } |
2596 | } | |
2597 | } | |
2598 | ||
4a4bc2e9 | 2599 | static void qla4xxx_check_relogin_flash_ddb(struct iscsi_cls_session *cls_sess) |
13483730 MC |
2600 | { |
2601 | struct iscsi_session *sess; | |
2602 | struct ddb_entry *ddb_entry; | |
2603 | struct scsi_qla_host *ha; | |
2604 | ||
2605 | sess = cls_sess->dd_data; | |
2606 | ddb_entry = sess->dd_data; | |
2607 | ha = ddb_entry->ha; | |
2608 | ||
2609 | if (!(ddb_entry->ddb_type == FLASH_DDB)) | |
2610 | return; | |
2611 | ||
2612 | if (adapter_up(ha) && !test_bit(DF_RELOGIN, &ddb_entry->flags) && | |
2613 | !iscsi_is_session_online(cls_sess)) { | |
2614 | if (atomic_read(&ddb_entry->retry_relogin_timer) != | |
2615 | INVALID_ENTRY) { | |
2616 | if (atomic_read(&ddb_entry->retry_relogin_timer) == | |
2617 | 0) { | |
2618 | atomic_set(&ddb_entry->retry_relogin_timer, | |
2619 | INVALID_ENTRY); | |
2620 | set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); | |
2621 | set_bit(DF_RELOGIN, &ddb_entry->flags); | |
2622 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
2623 | "%s: index [%d] login device\n", | |
2624 | __func__, ddb_entry->fw_ddb_index)); | |
2625 | } else | |
2626 | atomic_dec(&ddb_entry->retry_relogin_timer); | |
2627 | } | |
2628 | } | |
2629 | ||
2630 | /* Wait for relogin to timeout */ | |
2631 | if (atomic_read(&ddb_entry->relogin_timer) && | |
2632 | (atomic_dec_and_test(&ddb_entry->relogin_timer) != 0)) { | |
2633 | /* | |
2634 | * If the relogin times out and the device is | |
2635 | * still NOT ONLINE then try and relogin again. | |
2636 | */ | |
2637 | if (!iscsi_is_session_online(cls_sess)) { | |
2638 | /* Reset retry relogin timer */ | |
2639 | atomic_inc(&ddb_entry->relogin_retry_count); | |
2640 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
2641 | "%s: index[%d] relogin timed out-retrying" | |
2642 | " relogin (%d), retry (%d)\n", __func__, | |
2643 | ddb_entry->fw_ddb_index, | |
2644 | atomic_read(&ddb_entry->relogin_retry_count), | |
2645 | ddb_entry->default_time2wait + 4)); | |
2646 | set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); | |
2647 | atomic_set(&ddb_entry->retry_relogin_timer, | |
2648 | ddb_entry->default_time2wait + 4); | |
2649 | } | |
2650 | } | |
2651 | } | |
2652 | ||
afaf5a2d DS |
2653 | /** |
2654 | * qla4xxx_timer - checks every second for work to do. | |
2655 | * @ha: Pointer to host adapter structure. | |
2656 | **/ | |
2657 | static void qla4xxx_timer(struct scsi_qla_host *ha) | |
2658 | { | |
afaf5a2d | 2659 | int start_dpc = 0; |
2232be0d LC |
2660 | uint16_t w; |
2661 | ||
13483730 MC |
2662 | iscsi_host_for_each_session(ha->host, qla4xxx_check_relogin_flash_ddb); |
2663 | ||
2232be0d LC |
2664 | /* If we are in the middle of AER/EEH processing |
2665 | * skip any processing and reschedule the timer | |
2666 | */ | |
2667 | if (test_bit(AF_EEH_BUSY, &ha->flags)) { | |
2668 | mod_timer(&ha->timer, jiffies + HZ); | |
2669 | return; | |
2670 | } | |
2671 | ||
2672 | /* Hardware read to trigger an EEH error during mailbox waits. */ | |
2673 | if (!pci_channel_offline(ha->pdev)) | |
2674 | pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w); | |
afaf5a2d | 2675 | |
6e7b4292 | 2676 | if (is_qla80XX(ha)) |
f4f5df23 | 2677 | qla4_8xxx_watchdog(ha); |
f4f5df23 | 2678 | |
ee996a69 | 2679 | if (is_qla40XX(ha)) { |
f4f5df23 VC |
2680 | /* Check for heartbeat interval. */ |
2681 | if (ha->firmware_options & FWOPT_HEARTBEAT_ENABLE && | |
2682 | ha->heartbeat_interval != 0) { | |
2683 | ha->seconds_since_last_heartbeat++; | |
2684 | if (ha->seconds_since_last_heartbeat > | |
2685 | ha->heartbeat_interval + 2) | |
2686 | set_bit(DPC_RESET_HA, &ha->dpc_flags); | |
2687 | } | |
afaf5a2d DS |
2688 | } |
2689 | ||
ff884430 VC |
2690 | /* Process any deferred work. */ |
2691 | if (!list_empty(&ha->work_list)) | |
2692 | start_dpc++; | |
2693 | ||
afaf5a2d | 2694 | /* Wakeup the dpc routine for this adapter, if needed. */ |
1b46807e | 2695 | if (start_dpc || |
afaf5a2d DS |
2696 | test_bit(DPC_RESET_HA, &ha->dpc_flags) || |
2697 | test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags) || | |
2698 | test_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags) || | |
f4f5df23 | 2699 | test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) || |
afaf5a2d DS |
2700 | test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || |
2701 | test_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags) || | |
065aa1b4 | 2702 | test_bit(DPC_LINK_CHANGED, &ha->dpc_flags) || |
f4f5df23 VC |
2703 | test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) || |
2704 | test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) || | |
1b46807e | 2705 | test_bit(DPC_AEN, &ha->dpc_flags)) { |
afaf5a2d DS |
2706 | DEBUG2(printk("scsi%ld: %s: scheduling dpc routine" |
2707 | " - dpc flags = 0x%lx\n", | |
2708 | ha->host_no, __func__, ha->dpc_flags)); | |
f4f5df23 | 2709 | qla4xxx_wake_dpc(ha); |
afaf5a2d DS |
2710 | } |
2711 | ||
2712 | /* Reschedule timer thread to call us back in one second */ | |
2713 | mod_timer(&ha->timer, jiffies + HZ); | |
2714 | ||
2715 | DEBUG2(ha->seconds_since_last_intr++); | |
2716 | } | |
2717 | ||
2718 | /** | |
2719 | * qla4xxx_cmd_wait - waits for all outstanding commands to complete | |
2720 | * @ha: Pointer to host adapter structure. | |
2721 | * | |
2722 | * This routine stalls the driver until all outstanding commands are returned. | |
2723 | * Caller must release the Hardware Lock prior to calling this routine. | |
2724 | **/ | |
2725 | static int qla4xxx_cmd_wait(struct scsi_qla_host *ha) | |
2726 | { | |
2727 | uint32_t index = 0; | |
afaf5a2d DS |
2728 | unsigned long flags; |
2729 | struct scsi_cmnd *cmd; | |
afaf5a2d | 2730 | |
f4f5df23 VC |
2731 | unsigned long wtime = jiffies + (WAIT_CMD_TOV * HZ); |
2732 | ||
2733 | DEBUG2(ql4_printk(KERN_INFO, ha, "Wait up to %d seconds for cmds to " | |
2734 | "complete\n", WAIT_CMD_TOV)); | |
2735 | ||
2736 | while (!time_after_eq(jiffies, wtime)) { | |
afaf5a2d DS |
2737 | spin_lock_irqsave(&ha->hardware_lock, flags); |
2738 | /* Find a command that hasn't completed. */ | |
2739 | for (index = 0; index < ha->host->can_queue; index++) { | |
2740 | cmd = scsi_host_find_tag(ha->host, index); | |
a1e0063d MC |
2741 | /* |
2742 | * We cannot just check if the index is valid, | |
2743 | * becase if we are run from the scsi eh, then | |
2744 | * the scsi/block layer is going to prevent | |
2745 | * the tag from being released. | |
2746 | */ | |
2747 | if (cmd != NULL && CMD_SP(cmd)) | |
afaf5a2d DS |
2748 | break; |
2749 | } | |
2750 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
2751 | ||
2752 | /* If No Commands are pending, wait is complete */ | |
f4f5df23 VC |
2753 | if (index == ha->host->can_queue) |
2754 | return QLA_SUCCESS; | |
afaf5a2d | 2755 | |
f4f5df23 VC |
2756 | msleep(1000); |
2757 | } | |
2758 | /* If we timed out on waiting for commands to come back | |
2759 | * return ERROR. */ | |
2760 | return QLA_ERROR; | |
afaf5a2d DS |
2761 | } |
2762 | ||
f4f5df23 | 2763 | int qla4xxx_hw_reset(struct scsi_qla_host *ha) |
afaf5a2d | 2764 | { |
afaf5a2d | 2765 | uint32_t ctrl_status; |
477ffb9d DS |
2766 | unsigned long flags = 0; |
2767 | ||
2768 | DEBUG2(printk(KERN_ERR "scsi%ld: %s\n", ha->host_no, __func__)); | |
afaf5a2d | 2769 | |
f4f5df23 VC |
2770 | if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS) |
2771 | return QLA_ERROR; | |
2772 | ||
afaf5a2d DS |
2773 | spin_lock_irqsave(&ha->hardware_lock, flags); |
2774 | ||
2775 | /* | |
2776 | * If the SCSI Reset Interrupt bit is set, clear it. | |
2777 | * Otherwise, the Soft Reset won't work. | |
2778 | */ | |
2779 | ctrl_status = readw(&ha->reg->ctrl_status); | |
2780 | if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0) | |
2781 | writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status); | |
2782 | ||
2783 | /* Issue Soft Reset */ | |
2784 | writel(set_rmask(CSR_SOFT_RESET), &ha->reg->ctrl_status); | |
2785 | readl(&ha->reg->ctrl_status); | |
2786 | ||
2787 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
f4f5df23 | 2788 | return QLA_SUCCESS; |
477ffb9d DS |
2789 | } |
2790 | ||
2791 | /** | |
2792 | * qla4xxx_soft_reset - performs soft reset. | |
2793 | * @ha: Pointer to host adapter structure. | |
2794 | **/ | |
2795 | int qla4xxx_soft_reset(struct scsi_qla_host *ha) | |
2796 | { | |
2797 | uint32_t max_wait_time; | |
2798 | unsigned long flags = 0; | |
f931c534 | 2799 | int status; |
477ffb9d DS |
2800 | uint32_t ctrl_status; |
2801 | ||
f931c534 VC |
2802 | status = qla4xxx_hw_reset(ha); |
2803 | if (status != QLA_SUCCESS) | |
2804 | return status; | |
afaf5a2d | 2805 | |
f931c534 | 2806 | status = QLA_ERROR; |
afaf5a2d DS |
2807 | /* Wait until the Network Reset Intr bit is cleared */ |
2808 | max_wait_time = RESET_INTR_TOV; | |
2809 | do { | |
2810 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
2811 | ctrl_status = readw(&ha->reg->ctrl_status); | |
2812 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
2813 | ||
2814 | if ((ctrl_status & CSR_NET_RESET_INTR) == 0) | |
2815 | break; | |
2816 | ||
2817 | msleep(1000); | |
2818 | } while ((--max_wait_time)); | |
2819 | ||
2820 | if ((ctrl_status & CSR_NET_RESET_INTR) != 0) { | |
2821 | DEBUG2(printk(KERN_WARNING | |
2822 | "scsi%ld: Network Reset Intr not cleared by " | |
2823 | "Network function, clearing it now!\n", | |
2824 | ha->host_no)); | |
2825 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
2826 | writel(set_rmask(CSR_NET_RESET_INTR), &ha->reg->ctrl_status); | |
2827 | readl(&ha->reg->ctrl_status); | |
2828 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
2829 | } | |
2830 | ||
2831 | /* Wait until the firmware tells us the Soft Reset is done */ | |
2832 | max_wait_time = SOFT_RESET_TOV; | |
2833 | do { | |
2834 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
2835 | ctrl_status = readw(&ha->reg->ctrl_status); | |
2836 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
2837 | ||
2838 | if ((ctrl_status & CSR_SOFT_RESET) == 0) { | |
2839 | status = QLA_SUCCESS; | |
2840 | break; | |
2841 | } | |
2842 | ||
2843 | msleep(1000); | |
2844 | } while ((--max_wait_time)); | |
2845 | ||
2846 | /* | |
2847 | * Also, make sure that the SCSI Reset Interrupt bit has been cleared | |
2848 | * after the soft reset has taken place. | |
2849 | */ | |
2850 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
2851 | ctrl_status = readw(&ha->reg->ctrl_status); | |
2852 | if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0) { | |
2853 | writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status); | |
2854 | readl(&ha->reg->ctrl_status); | |
2855 | } | |
2856 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
2857 | ||
2858 | /* If soft reset fails then most probably the bios on other | |
2859 | * function is also enabled. | |
2860 | * Since the initialization is sequential the other fn | |
2861 | * wont be able to acknowledge the soft reset. | |
2862 | * Issue a force soft reset to workaround this scenario. | |
2863 | */ | |
2864 | if (max_wait_time == 0) { | |
2865 | /* Issue Force Soft Reset */ | |
2866 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
2867 | writel(set_rmask(CSR_FORCE_SOFT_RESET), &ha->reg->ctrl_status); | |
2868 | readl(&ha->reg->ctrl_status); | |
2869 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
2870 | /* Wait until the firmware tells us the Soft Reset is done */ | |
2871 | max_wait_time = SOFT_RESET_TOV; | |
2872 | do { | |
2873 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
2874 | ctrl_status = readw(&ha->reg->ctrl_status); | |
2875 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
2876 | ||
2877 | if ((ctrl_status & CSR_FORCE_SOFT_RESET) == 0) { | |
2878 | status = QLA_SUCCESS; | |
2879 | break; | |
2880 | } | |
2881 | ||
2882 | msleep(1000); | |
2883 | } while ((--max_wait_time)); | |
2884 | } | |
2885 | ||
2886 | return status; | |
2887 | } | |
2888 | ||
afaf5a2d | 2889 | /** |
f4f5df23 | 2890 | * qla4xxx_abort_active_cmds - returns all outstanding i/o requests to O.S. |
afaf5a2d | 2891 | * @ha: Pointer to host adapter structure. |
f4f5df23 | 2892 | * @res: returned scsi status |
afaf5a2d DS |
2893 | * |
2894 | * This routine is called just prior to a HARD RESET to return all | |
2895 | * outstanding commands back to the Operating System. | |
2896 | * Caller should make sure that the following locks are released | |
2897 | * before this calling routine: Hardware lock, and io_request_lock. | |
2898 | **/ | |
f4f5df23 | 2899 | static void qla4xxx_abort_active_cmds(struct scsi_qla_host *ha, int res) |
afaf5a2d DS |
2900 | { |
2901 | struct srb *srb; | |
2902 | int i; | |
2903 | unsigned long flags; | |
2904 | ||
2905 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
2906 | for (i = 0; i < ha->host->can_queue; i++) { | |
2907 | srb = qla4xxx_del_from_active_array(ha, i); | |
2908 | if (srb != NULL) { | |
f4f5df23 | 2909 | srb->cmd->result = res; |
09a0f719 | 2910 | kref_put(&srb->srb_ref, qla4xxx_srb_compl); |
afaf5a2d DS |
2911 | } |
2912 | } | |
2913 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
afaf5a2d DS |
2914 | } |
2915 | ||
f4f5df23 VC |
2916 | void qla4xxx_dead_adapter_cleanup(struct scsi_qla_host *ha) |
2917 | { | |
2918 | clear_bit(AF_ONLINE, &ha->flags); | |
2919 | ||
2920 | /* Disable the board */ | |
2921 | ql4_printk(KERN_INFO, ha, "Disabling the board\n"); | |
f4f5df23 VC |
2922 | |
2923 | qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); | |
2924 | qla4xxx_mark_all_devices_missing(ha); | |
2925 | clear_bit(AF_INIT_DONE, &ha->flags); | |
2926 | } | |
2927 | ||
b3a271a9 MR |
2928 | static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session) |
2929 | { | |
2930 | struct iscsi_session *sess; | |
2931 | struct ddb_entry *ddb_entry; | |
2932 | ||
2933 | sess = cls_session->dd_data; | |
2934 | ddb_entry = sess->dd_data; | |
2935 | ddb_entry->fw_ddb_device_state = DDB_DS_SESSION_FAILED; | |
13483730 MC |
2936 | |
2937 | if (ddb_entry->ddb_type == FLASH_DDB) | |
2938 | iscsi_block_session(ddb_entry->sess); | |
2939 | else | |
2940 | iscsi_session_failure(cls_session->dd_data, | |
2941 | ISCSI_ERR_CONN_FAILED); | |
b3a271a9 MR |
2942 | } |
2943 | ||
afaf5a2d DS |
2944 | /** |
2945 | * qla4xxx_recover_adapter - recovers adapter after a fatal error | |
2946 | * @ha: Pointer to host adapter structure. | |
afaf5a2d | 2947 | **/ |
f4f5df23 | 2948 | static int qla4xxx_recover_adapter(struct scsi_qla_host *ha) |
afaf5a2d | 2949 | { |
f4f5df23 VC |
2950 | int status = QLA_ERROR; |
2951 | uint8_t reset_chip = 0; | |
8e0f3a66 | 2952 | uint32_t dev_state; |
9ee91a38 | 2953 | unsigned long wait; |
afaf5a2d DS |
2954 | |
2955 | /* Stall incoming I/O until we are done */ | |
f4f5df23 | 2956 | scsi_block_requests(ha->host); |
afaf5a2d | 2957 | clear_bit(AF_ONLINE, &ha->flags); |
b3a271a9 | 2958 | clear_bit(AF_LINK_UP, &ha->flags); |
50a29aec | 2959 | |
f4f5df23 | 2960 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: adapter OFFLINE\n", __func__)); |
afaf5a2d | 2961 | |
f4f5df23 | 2962 | set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); |
afaf5a2d | 2963 | |
546fef27 TP |
2964 | if (is_qla8032(ha) && |
2965 | !test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) { | |
2966 | ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n", | |
2967 | __func__); | |
2968 | /* disable pause frame for ISP83xx */ | |
2969 | qla4_83xx_disable_pause(ha); | |
2970 | } | |
2971 | ||
b3a271a9 MR |
2972 | iscsi_host_for_each_session(ha->host, qla4xxx_fail_session); |
2973 | ||
f4f5df23 VC |
2974 | if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) |
2975 | reset_chip = 1; | |
afaf5a2d | 2976 | |
f4f5df23 VC |
2977 | /* For the DPC_RESET_HA_INTR case (ISP-4xxx specific) |
2978 | * do not reset adapter, jump to initialize_adapter */ | |
2979 | if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { | |
2980 | status = QLA_SUCCESS; | |
2981 | goto recover_ha_init_adapter; | |
2982 | } | |
afaf5a2d | 2983 | |
6e7b4292 | 2984 | /* For the ISP-8xxx adapter, issue a stop_firmware if invoked |
f4f5df23 | 2985 | * from eh_host_reset or ioctl module */ |
6e7b4292 | 2986 | if (is_qla80XX(ha) && !reset_chip && |
f4f5df23 VC |
2987 | test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) { |
2988 | ||
2989 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
2990 | "scsi%ld: %s - Performing stop_firmware...\n", | |
2991 | ha->host_no, __func__)); | |
2992 | status = ha->isp_ops->reset_firmware(ha); | |
2993 | if (status == QLA_SUCCESS) { | |
2bd1e2be NJ |
2994 | if (!test_bit(AF_FW_RECOVERY, &ha->flags)) |
2995 | qla4xxx_cmd_wait(ha); | |
5c19b92a | 2996 | |
f4f5df23 VC |
2997 | ha->isp_ops->disable_intrs(ha); |
2998 | qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); | |
2999 | qla4xxx_abort_active_cmds(ha, DID_RESET << 16); | |
3000 | } else { | |
3001 | /* If the stop_firmware fails then | |
3002 | * reset the entire chip */ | |
3003 | reset_chip = 1; | |
3004 | clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); | |
3005 | set_bit(DPC_RESET_HA, &ha->dpc_flags); | |
3006 | } | |
3007 | } | |
dca05c4c | 3008 | |
f4f5df23 | 3009 | /* Issue full chip reset if recovering from a catastrophic error, |
6e7b4292 | 3010 | * or if stop_firmware fails for ISP-8xxx. |
f4f5df23 | 3011 | * This is the default case for ISP-4xxx */ |
ee996a69 VC |
3012 | if (is_qla40XX(ha) || reset_chip) { |
3013 | if (is_qla40XX(ha)) | |
9ee91a38 SS |
3014 | goto chip_reset; |
3015 | ||
6e7b4292 | 3016 | /* Check if 8XXX firmware is alive or not |
9ee91a38 SS |
3017 | * We may have arrived here from NEED_RESET |
3018 | * detection only */ | |
3019 | if (test_bit(AF_FW_RECOVERY, &ha->flags)) | |
3020 | goto chip_reset; | |
3021 | ||
3022 | wait = jiffies + (FW_ALIVE_WAIT_TOV * HZ); | |
3023 | while (time_before(jiffies, wait)) { | |
3024 | if (qla4_8xxx_check_fw_alive(ha)) { | |
3025 | qla4xxx_mailbox_premature_completion(ha); | |
3026 | break; | |
3027 | } | |
3028 | ||
3029 | set_current_state(TASK_UNINTERRUPTIBLE); | |
3030 | schedule_timeout(HZ); | |
3031 | } | |
da106212 | 3032 | chip_reset: |
2bd1e2be NJ |
3033 | if (!test_bit(AF_FW_RECOVERY, &ha->flags)) |
3034 | qla4xxx_cmd_wait(ha); | |
da106212 | 3035 | |
f4f5df23 VC |
3036 | qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); |
3037 | qla4xxx_abort_active_cmds(ha, DID_RESET << 16); | |
3038 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
3039 | "scsi%ld: %s - Performing chip reset..\n", | |
3040 | ha->host_no, __func__)); | |
3041 | status = ha->isp_ops->reset_chip(ha); | |
3042 | } | |
afaf5a2d DS |
3043 | |
3044 | /* Flush any pending ddb changed AENs */ | |
3045 | qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); | |
3046 | ||
f4f5df23 VC |
3047 | recover_ha_init_adapter: |
3048 | /* Upon successful firmware/chip reset, re-initialize the adapter */ | |
afaf5a2d | 3049 | if (status == QLA_SUCCESS) { |
f4f5df23 VC |
3050 | /* For ISP-4xxx, force function 1 to always initialize |
3051 | * before function 3 to prevent both funcions from | |
3052 | * stepping on top of the other */ | |
ee996a69 | 3053 | if (is_qla40XX(ha) && (ha->mac_index == 3)) |
f4f5df23 VC |
3054 | ssleep(6); |
3055 | ||
3056 | /* NOTE: AF_ONLINE flag set upon successful completion of | |
3057 | * qla4xxx_initialize_adapter */ | |
13483730 | 3058 | status = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); |
afaf5a2d DS |
3059 | } |
3060 | ||
f4f5df23 VC |
3061 | /* Retry failed adapter initialization, if necessary |
3062 | * Do not retry initialize_adapter for RESET_HA_INTR (ISP-4xxx specific) | |
3063 | * case to prevent ping-pong resets between functions */ | |
3064 | if (!test_bit(AF_ONLINE, &ha->flags) && | |
3065 | !test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { | |
afaf5a2d | 3066 | /* Adapter initialization failed, see if we can retry |
f4f5df23 VC |
3067 | * resetting the ha. |
3068 | * Since we don't want to block the DPC for too long | |
3069 | * with multiple resets in the same thread, | |
3070 | * utilize DPC to retry */ | |
6e7b4292 | 3071 | if (is_qla80XX(ha)) { |
33693c7a VC |
3072 | ha->isp_ops->idc_lock(ha); |
3073 | dev_state = qla4_8xxx_rd_direct(ha, | |
3074 | QLA8XXX_CRB_DEV_STATE); | |
3075 | ha->isp_ops->idc_unlock(ha); | |
de8c72da | 3076 | if (dev_state == QLA8XXX_DEV_FAILED) { |
8e0f3a66 SR |
3077 | ql4_printk(KERN_INFO, ha, "%s: don't retry " |
3078 | "recover adapter. H/W is in Failed " | |
3079 | "state\n", __func__); | |
3080 | qla4xxx_dead_adapter_cleanup(ha); | |
3081 | clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); | |
3082 | clear_bit(DPC_RESET_HA, &ha->dpc_flags); | |
3083 | clear_bit(DPC_RESET_HA_FW_CONTEXT, | |
3084 | &ha->dpc_flags); | |
3085 | status = QLA_ERROR; | |
3086 | ||
3087 | goto exit_recover; | |
3088 | } | |
3089 | } | |
3090 | ||
afaf5a2d DS |
3091 | if (!test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags)) { |
3092 | ha->retry_reset_ha_cnt = MAX_RESET_HA_RETRIES; | |
3093 | DEBUG2(printk("scsi%ld: recover adapter - retrying " | |
3094 | "(%d) more times\n", ha->host_no, | |
3095 | ha->retry_reset_ha_cnt)); | |
3096 | set_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); | |
3097 | status = QLA_ERROR; | |
3098 | } else { | |
3099 | if (ha->retry_reset_ha_cnt > 0) { | |
3100 | /* Schedule another Reset HA--DPC will retry */ | |
3101 | ha->retry_reset_ha_cnt--; | |
3102 | DEBUG2(printk("scsi%ld: recover adapter - " | |
3103 | "retry remaining %d\n", | |
3104 | ha->host_no, | |
3105 | ha->retry_reset_ha_cnt)); | |
3106 | status = QLA_ERROR; | |
3107 | } | |
3108 | ||
3109 | if (ha->retry_reset_ha_cnt == 0) { | |
3110 | /* Recover adapter retries have been exhausted. | |
3111 | * Adapter DEAD */ | |
3112 | DEBUG2(printk("scsi%ld: recover adapter " | |
3113 | "failed - board disabled\n", | |
3114 | ha->host_no)); | |
f4f5df23 | 3115 | qla4xxx_dead_adapter_cleanup(ha); |
afaf5a2d DS |
3116 | clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); |
3117 | clear_bit(DPC_RESET_HA, &ha->dpc_flags); | |
f4f5df23 | 3118 | clear_bit(DPC_RESET_HA_FW_CONTEXT, |
afaf5a2d DS |
3119 | &ha->dpc_flags); |
3120 | status = QLA_ERROR; | |
3121 | } | |
3122 | } | |
3123 | } else { | |
3124 | clear_bit(DPC_RESET_HA, &ha->dpc_flags); | |
f4f5df23 | 3125 | clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); |
afaf5a2d DS |
3126 | clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); |
3127 | } | |
3128 | ||
8e0f3a66 | 3129 | exit_recover: |
afaf5a2d DS |
3130 | ha->adapter_error_count++; |
3131 | ||
f4f5df23 VC |
3132 | if (test_bit(AF_ONLINE, &ha->flags)) |
3133 | ha->isp_ops->enable_intrs(ha); | |
3134 | ||
3135 | scsi_unblock_requests(ha->host); | |
3136 | ||
3137 | clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); | |
3138 | DEBUG2(printk("scsi%ld: recover adapter: %s\n", ha->host_no, | |
25985edc | 3139 | status == QLA_ERROR ? "FAILED" : "SUCCEEDED")); |
afaf5a2d | 3140 | |
afaf5a2d DS |
3141 | return status; |
3142 | } | |
3143 | ||
b3a271a9 | 3144 | static void qla4xxx_relogin_devices(struct iscsi_cls_session *cls_session) |
2d7924e6 | 3145 | { |
b3a271a9 MR |
3146 | struct iscsi_session *sess; |
3147 | struct ddb_entry *ddb_entry; | |
3148 | struct scsi_qla_host *ha; | |
2d7924e6 | 3149 | |
b3a271a9 MR |
3150 | sess = cls_session->dd_data; |
3151 | ddb_entry = sess->dd_data; | |
3152 | ha = ddb_entry->ha; | |
3153 | if (!iscsi_is_session_online(cls_session)) { | |
3154 | if (ddb_entry->fw_ddb_device_state == DDB_DS_SESSION_ACTIVE) { | |
3155 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" | |
3156 | " unblock session\n", ha->host_no, __func__, | |
3157 | ddb_entry->fw_ddb_index); | |
3158 | iscsi_unblock_session(ddb_entry->sess); | |
3159 | } else { | |
3160 | /* Trigger relogin */ | |
13483730 MC |
3161 | if (ddb_entry->ddb_type == FLASH_DDB) { |
3162 | if (!test_bit(DF_RELOGIN, &ddb_entry->flags)) | |
3163 | qla4xxx_arm_relogin_timer(ddb_entry); | |
3164 | } else | |
3165 | iscsi_session_failure(cls_session->dd_data, | |
3166 | ISCSI_ERR_CONN_FAILED); | |
2d7924e6 VC |
3167 | } |
3168 | } | |
3169 | } | |
3170 | ||
13483730 MC |
3171 | int qla4xxx_unblock_flash_ddb(struct iscsi_cls_session *cls_session) |
3172 | { | |
3173 | struct iscsi_session *sess; | |
3174 | struct ddb_entry *ddb_entry; | |
3175 | struct scsi_qla_host *ha; | |
3176 | ||
3177 | sess = cls_session->dd_data; | |
3178 | ddb_entry = sess->dd_data; | |
3179 | ha = ddb_entry->ha; | |
3180 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" | |
3181 | " unblock session\n", ha->host_no, __func__, | |
3182 | ddb_entry->fw_ddb_index); | |
3183 | ||
3184 | iscsi_unblock_session(ddb_entry->sess); | |
3185 | ||
3186 | /* Start scan target */ | |
3187 | if (test_bit(AF_ONLINE, &ha->flags)) { | |
3188 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" | |
3189 | " start scan\n", ha->host_no, __func__, | |
3190 | ddb_entry->fw_ddb_index); | |
3191 | scsi_queue_work(ha->host, &ddb_entry->sess->scan_work); | |
3192 | } | |
3193 | return QLA_SUCCESS; | |
3194 | } | |
3195 | ||
3196 | int qla4xxx_unblock_ddb(struct iscsi_cls_session *cls_session) | |
3197 | { | |
3198 | struct iscsi_session *sess; | |
3199 | struct ddb_entry *ddb_entry; | |
3200 | struct scsi_qla_host *ha; | |
80c53e64 | 3201 | int status = QLA_SUCCESS; |
13483730 MC |
3202 | |
3203 | sess = cls_session->dd_data; | |
3204 | ddb_entry = sess->dd_data; | |
3205 | ha = ddb_entry->ha; | |
3206 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" | |
3207 | " unblock user space session\n", ha->host_no, __func__, | |
3208 | ddb_entry->fw_ddb_index); | |
13483730 | 3209 | |
80c53e64 MR |
3210 | if (!iscsi_is_session_online(cls_session)) { |
3211 | iscsi_conn_start(ddb_entry->conn); | |
3212 | iscsi_conn_login_event(ddb_entry->conn, | |
3213 | ISCSI_CONN_STATE_LOGGED_IN); | |
3214 | } else { | |
3215 | ql4_printk(KERN_INFO, ha, | |
3216 | "scsi%ld: %s: ddb[%d] session [%d] already logged in\n", | |
3217 | ha->host_no, __func__, ddb_entry->fw_ddb_index, | |
3218 | cls_session->sid); | |
3219 | status = QLA_ERROR; | |
3220 | } | |
3221 | ||
3222 | return status; | |
13483730 MC |
3223 | } |
3224 | ||
b3a271a9 MR |
3225 | static void qla4xxx_relogin_all_devices(struct scsi_qla_host *ha) |
3226 | { | |
3227 | iscsi_host_for_each_session(ha->host, qla4xxx_relogin_devices); | |
3228 | } | |
3229 | ||
13483730 MC |
3230 | static void qla4xxx_relogin_flash_ddb(struct iscsi_cls_session *cls_sess) |
3231 | { | |
3232 | uint16_t relogin_timer; | |
3233 | struct iscsi_session *sess; | |
3234 | struct ddb_entry *ddb_entry; | |
3235 | struct scsi_qla_host *ha; | |
3236 | ||
3237 | sess = cls_sess->dd_data; | |
3238 | ddb_entry = sess->dd_data; | |
3239 | ha = ddb_entry->ha; | |
3240 | ||
3241 | relogin_timer = max(ddb_entry->default_relogin_timeout, | |
3242 | (uint16_t)RELOGIN_TOV); | |
3243 | atomic_set(&ddb_entry->relogin_timer, relogin_timer); | |
3244 | ||
3245 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
3246 | "scsi%ld: Relogin index [%d]. TOV=%d\n", ha->host_no, | |
3247 | ddb_entry->fw_ddb_index, relogin_timer)); | |
3248 | ||
3249 | qla4xxx_login_flash_ddb(cls_sess); | |
3250 | } | |
3251 | ||
3252 | static void qla4xxx_dpc_relogin(struct iscsi_cls_session *cls_sess) | |
3253 | { | |
3254 | struct iscsi_session *sess; | |
3255 | struct ddb_entry *ddb_entry; | |
3256 | struct scsi_qla_host *ha; | |
3257 | ||
3258 | sess = cls_sess->dd_data; | |
3259 | ddb_entry = sess->dd_data; | |
3260 | ha = ddb_entry->ha; | |
3261 | ||
3262 | if (!(ddb_entry->ddb_type == FLASH_DDB)) | |
3263 | return; | |
3264 | ||
3265 | if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags) && | |
3266 | !iscsi_is_session_online(cls_sess)) { | |
3267 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
3268 | "relogin issued\n")); | |
3269 | qla4xxx_relogin_flash_ddb(cls_sess); | |
3270 | } | |
3271 | } | |
3272 | ||
f4f5df23 VC |
3273 | void qla4xxx_wake_dpc(struct scsi_qla_host *ha) |
3274 | { | |
1b46807e | 3275 | if (ha->dpc_thread) |
f4f5df23 | 3276 | queue_work(ha->dpc_thread, &ha->dpc_work); |
f4f5df23 VC |
3277 | } |
3278 | ||
ff884430 VC |
3279 | static struct qla4_work_evt * |
3280 | qla4xxx_alloc_work(struct scsi_qla_host *ha, uint32_t data_size, | |
3281 | enum qla4_work_type type) | |
3282 | { | |
3283 | struct qla4_work_evt *e; | |
3284 | uint32_t size = sizeof(struct qla4_work_evt) + data_size; | |
3285 | ||
3286 | e = kzalloc(size, GFP_ATOMIC); | |
3287 | if (!e) | |
3288 | return NULL; | |
3289 | ||
3290 | INIT_LIST_HEAD(&e->list); | |
3291 | e->type = type; | |
3292 | return e; | |
3293 | } | |
3294 | ||
3295 | static void qla4xxx_post_work(struct scsi_qla_host *ha, | |
3296 | struct qla4_work_evt *e) | |
3297 | { | |
3298 | unsigned long flags; | |
3299 | ||
3300 | spin_lock_irqsave(&ha->work_lock, flags); | |
3301 | list_add_tail(&e->list, &ha->work_list); | |
3302 | spin_unlock_irqrestore(&ha->work_lock, flags); | |
3303 | qla4xxx_wake_dpc(ha); | |
3304 | } | |
3305 | ||
3306 | int qla4xxx_post_aen_work(struct scsi_qla_host *ha, | |
3307 | enum iscsi_host_event_code aen_code, | |
3308 | uint32_t data_size, uint8_t *data) | |
3309 | { | |
3310 | struct qla4_work_evt *e; | |
3311 | ||
3312 | e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_AEN); | |
3313 | if (!e) | |
3314 | return QLA_ERROR; | |
3315 | ||
3316 | e->u.aen.code = aen_code; | |
3317 | e->u.aen.data_size = data_size; | |
3318 | memcpy(e->u.aen.data, data, data_size); | |
3319 | ||
3320 | qla4xxx_post_work(ha, e); | |
3321 | ||
3322 | return QLA_SUCCESS; | |
3323 | } | |
3324 | ||
c0b9d3f7 VC |
3325 | int qla4xxx_post_ping_evt_work(struct scsi_qla_host *ha, |
3326 | uint32_t status, uint32_t pid, | |
3327 | uint32_t data_size, uint8_t *data) | |
3328 | { | |
3329 | struct qla4_work_evt *e; | |
3330 | ||
3331 | e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_PING_STATUS); | |
3332 | if (!e) | |
3333 | return QLA_ERROR; | |
3334 | ||
3335 | e->u.ping.status = status; | |
3336 | e->u.ping.pid = pid; | |
3337 | e->u.ping.data_size = data_size; | |
3338 | memcpy(e->u.ping.data, data, data_size); | |
3339 | ||
3340 | qla4xxx_post_work(ha, e); | |
3341 | ||
3342 | return QLA_SUCCESS; | |
3343 | } | |
3344 | ||
a7380a65 | 3345 | static void qla4xxx_do_work(struct scsi_qla_host *ha) |
ff884430 VC |
3346 | { |
3347 | struct qla4_work_evt *e, *tmp; | |
3348 | unsigned long flags; | |
3349 | LIST_HEAD(work); | |
3350 | ||
3351 | spin_lock_irqsave(&ha->work_lock, flags); | |
3352 | list_splice_init(&ha->work_list, &work); | |
3353 | spin_unlock_irqrestore(&ha->work_lock, flags); | |
3354 | ||
3355 | list_for_each_entry_safe(e, tmp, &work, list) { | |
3356 | list_del_init(&e->list); | |
3357 | ||
3358 | switch (e->type) { | |
3359 | case QLA4_EVENT_AEN: | |
3360 | iscsi_post_host_event(ha->host_no, | |
3361 | &qla4xxx_iscsi_transport, | |
3362 | e->u.aen.code, | |
3363 | e->u.aen.data_size, | |
3364 | e->u.aen.data); | |
3365 | break; | |
c0b9d3f7 VC |
3366 | case QLA4_EVENT_PING_STATUS: |
3367 | iscsi_ping_comp_event(ha->host_no, | |
3368 | &qla4xxx_iscsi_transport, | |
3369 | e->u.ping.status, | |
3370 | e->u.ping.pid, | |
3371 | e->u.ping.data_size, | |
3372 | e->u.ping.data); | |
3373 | break; | |
ff884430 VC |
3374 | default: |
3375 | ql4_printk(KERN_WARNING, ha, "event type: 0x%x not " | |
3376 | "supported", e->type); | |
3377 | } | |
3378 | kfree(e); | |
3379 | } | |
3380 | } | |
3381 | ||
afaf5a2d DS |
3382 | /** |
3383 | * qla4xxx_do_dpc - dpc routine | |
3384 | * @data: in our case pointer to adapter structure | |
3385 | * | |
3386 | * This routine is a task that is schedule by the interrupt handler | |
3387 | * to perform the background processing for interrupts. We put it | |
3388 | * on a task queue that is consumed whenever the scheduler runs; that's | |
3389 | * so you can do anything (i.e. put the process to sleep etc). In fact, | |
3390 | * the mid-level tries to sleep when it reaches the driver threshold | |
3391 | * "host->can_queue". This can cause a panic if we were in our interrupt code. | |
3392 | **/ | |
c4028958 | 3393 | static void qla4xxx_do_dpc(struct work_struct *work) |
afaf5a2d | 3394 | { |
c4028958 DH |
3395 | struct scsi_qla_host *ha = |
3396 | container_of(work, struct scsi_qla_host, dpc_work); | |
477ffb9d | 3397 | int status = QLA_ERROR; |
afaf5a2d | 3398 | |
f26b9044 | 3399 | DEBUG2(printk("scsi%ld: %s: DPC handler waking up." |
f4f5df23 VC |
3400 | "flags = 0x%08lx, dpc_flags = 0x%08lx\n", |
3401 | ha->host_no, __func__, ha->flags, ha->dpc_flags)) | |
afaf5a2d DS |
3402 | |
3403 | /* Initialization not yet finished. Don't do anything yet. */ | |
3404 | if (!test_bit(AF_INIT_DONE, &ha->flags)) | |
1b46807e | 3405 | return; |
afaf5a2d | 3406 | |
2232be0d LC |
3407 | if (test_bit(AF_EEH_BUSY, &ha->flags)) { |
3408 | DEBUG2(printk(KERN_INFO "scsi%ld: %s: flags = %lx\n", | |
3409 | ha->host_no, __func__, ha->flags)); | |
1b46807e | 3410 | return; |
2232be0d LC |
3411 | } |
3412 | ||
ff884430 VC |
3413 | /* post events to application */ |
3414 | qla4xxx_do_work(ha); | |
3415 | ||
6e7b4292 | 3416 | if (is_qla80XX(ha)) { |
f4f5df23 | 3417 | if (test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags)) { |
546fef27 TP |
3418 | if (is_qla8032(ha)) { |
3419 | ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n", | |
3420 | __func__); | |
3421 | /* disable pause frame for ISP83xx */ | |
3422 | qla4_83xx_disable_pause(ha); | |
3423 | } | |
3424 | ||
33693c7a VC |
3425 | ha->isp_ops->idc_lock(ha); |
3426 | qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, | |
3427 | QLA8XXX_DEV_FAILED); | |
3428 | ha->isp_ops->idc_unlock(ha); | |
f4f5df23 VC |
3429 | ql4_printk(KERN_INFO, ha, "HW State: FAILED\n"); |
3430 | qla4_8xxx_device_state_handler(ha); | |
3431 | } | |
320a61de NJ |
3432 | |
3433 | if (test_and_clear_bit(DPC_POST_IDC_ACK, &ha->dpc_flags)) | |
3434 | qla4_83xx_post_idc_ack(ha); | |
3435 | ||
f4f5df23 VC |
3436 | if (test_and_clear_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) { |
3437 | qla4_8xxx_need_qsnt_handler(ha); | |
3438 | } | |
3439 | } | |
3440 | ||
3441 | if (!test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) && | |
3442 | (test_bit(DPC_RESET_HA, &ha->dpc_flags) || | |
afaf5a2d | 3443 | test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || |
f4f5df23 | 3444 | test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags))) { |
6e7b4292 VC |
3445 | if ((is_qla8022(ha) && ql4xdontresethba) || |
3446 | (is_qla8032(ha) && qla4_83xx_idc_dontreset(ha))) { | |
f4f5df23 VC |
3447 | DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n", |
3448 | ha->host_no, __func__)); | |
3449 | clear_bit(DPC_RESET_HA, &ha->dpc_flags); | |
3450 | clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags); | |
3451 | clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); | |
3452 | goto dpc_post_reset_ha; | |
3453 | } | |
3454 | if (test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) || | |
3455 | test_bit(DPC_RESET_HA, &ha->dpc_flags)) | |
3456 | qla4xxx_recover_adapter(ha); | |
afaf5a2d | 3457 | |
477ffb9d | 3458 | if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { |
afaf5a2d | 3459 | uint8_t wait_time = RESET_INTR_TOV; |
afaf5a2d | 3460 | |
afaf5a2d DS |
3461 | while ((readw(&ha->reg->ctrl_status) & |
3462 | (CSR_SOFT_RESET | CSR_FORCE_SOFT_RESET)) != 0) { | |
3463 | if (--wait_time == 0) | |
3464 | break; | |
afaf5a2d | 3465 | msleep(1000); |
afaf5a2d | 3466 | } |
afaf5a2d DS |
3467 | if (wait_time == 0) |
3468 | DEBUG2(printk("scsi%ld: %s: SR|FSR " | |
3469 | "bit not cleared-- resetting\n", | |
3470 | ha->host_no, __func__)); | |
f4f5df23 | 3471 | qla4xxx_abort_active_cmds(ha, DID_RESET << 16); |
477ffb9d DS |
3472 | if (ql4xxx_lock_drvr_wait(ha) == QLA_SUCCESS) { |
3473 | qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); | |
f4f5df23 | 3474 | status = qla4xxx_recover_adapter(ha); |
477ffb9d DS |
3475 | } |
3476 | clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags); | |
3477 | if (status == QLA_SUCCESS) | |
f4f5df23 | 3478 | ha->isp_ops->enable_intrs(ha); |
afaf5a2d DS |
3479 | } |
3480 | } | |
3481 | ||
f4f5df23 | 3482 | dpc_post_reset_ha: |
afaf5a2d DS |
3483 | /* ---- process AEN? --- */ |
3484 | if (test_and_clear_bit(DPC_AEN, &ha->dpc_flags)) | |
3485 | qla4xxx_process_aen(ha, PROCESS_ALL_AENS); | |
3486 | ||
3487 | /* ---- Get DHCP IP Address? --- */ | |
3488 | if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags)) | |
3489 | qla4xxx_get_dhcp_ip_address(ha); | |
3490 | ||
13483730 MC |
3491 | /* ---- relogin device? --- */ |
3492 | if (adapter_up(ha) && | |
3493 | test_and_clear_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags)) { | |
3494 | iscsi_host_for_each_session(ha->host, qla4xxx_dpc_relogin); | |
3495 | } | |
3496 | ||
065aa1b4 | 3497 | /* ---- link change? --- */ |
026fbd3a NJ |
3498 | if (!test_bit(AF_LOOPBACK, &ha->flags) && |
3499 | test_and_clear_bit(DPC_LINK_CHANGED, &ha->dpc_flags)) { | |
065aa1b4 VC |
3500 | if (!test_bit(AF_LINK_UP, &ha->flags)) { |
3501 | /* ---- link down? --- */ | |
2d7924e6 | 3502 | qla4xxx_mark_all_devices_missing(ha); |
065aa1b4 VC |
3503 | } else { |
3504 | /* ---- link up? --- * | |
3505 | * F/W will auto login to all devices ONLY ONCE after | |
3506 | * link up during driver initialization and runtime | |
3507 | * fatal error recovery. Therefore, the driver must | |
3508 | * manually relogin to devices when recovering from | |
3509 | * connection failures, logouts, expired KATO, etc. */ | |
13483730 MC |
3510 | if (test_and_clear_bit(AF_BUILD_DDB_LIST, &ha->flags)) { |
3511 | qla4xxx_build_ddb_list(ha, ha->is_reset); | |
3512 | iscsi_host_for_each_session(ha->host, | |
3513 | qla4xxx_login_flash_ddb); | |
3514 | } else | |
3515 | qla4xxx_relogin_all_devices(ha); | |
065aa1b4 VC |
3516 | } |
3517 | } | |
afaf5a2d DS |
3518 | } |
3519 | ||
3520 | /** | |
3521 | * qla4xxx_free_adapter - release the adapter | |
3522 | * @ha: pointer to adapter structure | |
3523 | **/ | |
3524 | static void qla4xxx_free_adapter(struct scsi_qla_host *ha) | |
3525 | { | |
8a288960 | 3526 | qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); |
afaf5a2d | 3527 | |
5c19b92a VC |
3528 | /* Turn-off interrupts on the card. */ |
3529 | ha->isp_ops->disable_intrs(ha); | |
afaf5a2d | 3530 | |
d9e62e51 VC |
3531 | if (is_qla40XX(ha)) { |
3532 | writel(set_rmask(CSR_SCSI_PROCESSOR_INTR), | |
3533 | &ha->reg->ctrl_status); | |
3534 | readl(&ha->reg->ctrl_status); | |
3535 | } else if (is_qla8022(ha)) { | |
7664a1fd VC |
3536 | writel(0, &ha->qla4_82xx_reg->host_int); |
3537 | readl(&ha->qla4_82xx_reg->host_int); | |
fbd8107c VC |
3538 | } else if (is_qla8032(ha)) { |
3539 | writel(0, &ha->qla4_83xx_reg->risc_intr); | |
3540 | readl(&ha->qla4_83xx_reg->risc_intr); | |
d9e62e51 VC |
3541 | } |
3542 | ||
f4f5df23 VC |
3543 | /* Remove timer thread, if present */ |
3544 | if (ha->timer_active) | |
3545 | qla4xxx_stop_timer(ha); | |
3546 | ||
afaf5a2d DS |
3547 | /* Kill the kernel thread for this host */ |
3548 | if (ha->dpc_thread) | |
3549 | destroy_workqueue(ha->dpc_thread); | |
3550 | ||
b3a271a9 MR |
3551 | /* Kill the kernel thread for this host */ |
3552 | if (ha->task_wq) | |
3553 | destroy_workqueue(ha->task_wq); | |
3554 | ||
f4f5df23 VC |
3555 | /* Put firmware in known state */ |
3556 | ha->isp_ops->reset_firmware(ha); | |
afaf5a2d | 3557 | |
6e7b4292 | 3558 | if (is_qla80XX(ha)) { |
33693c7a | 3559 | ha->isp_ops->idc_lock(ha); |
f4f5df23 | 3560 | qla4_8xxx_clear_drv_active(ha); |
33693c7a | 3561 | ha->isp_ops->idc_unlock(ha); |
f4f5df23 | 3562 | } |
afaf5a2d | 3563 | |
afaf5a2d | 3564 | /* Detach interrupts */ |
5c19b92a | 3565 | qla4xxx_free_irqs(ha); |
afaf5a2d | 3566 | |
bee4fe8e DS |
3567 | /* free extra memory */ |
3568 | qla4xxx_mem_free(ha); | |
f4f5df23 VC |
3569 | } |
3570 | ||
3571 | int qla4_8xxx_iospace_config(struct scsi_qla_host *ha) | |
3572 | { | |
3573 | int status = 0; | |
f4f5df23 VC |
3574 | unsigned long mem_base, mem_len, db_base, db_len; |
3575 | struct pci_dev *pdev = ha->pdev; | |
3576 | ||
3577 | status = pci_request_regions(pdev, DRIVER_NAME); | |
3578 | if (status) { | |
3579 | printk(KERN_WARNING | |
3580 | "scsi(%ld) Failed to reserve PIO regions (%s) " | |
3581 | "status=%d\n", ha->host_no, pci_name(pdev), status); | |
3582 | goto iospace_error_exit; | |
3583 | } | |
3584 | ||
f4f5df23 | 3585 | DEBUG2(printk(KERN_INFO "%s: revision-id=%d\n", |
7d7311c4 SS |
3586 | __func__, pdev->revision)); |
3587 | ha->revision_id = pdev->revision; | |
bee4fe8e | 3588 | |
f4f5df23 VC |
3589 | /* remap phys address */ |
3590 | mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */ | |
3591 | mem_len = pci_resource_len(pdev, 0); | |
3592 | DEBUG2(printk(KERN_INFO "%s: ioremap from %lx a size of %lx\n", | |
3593 | __func__, mem_base, mem_len)); | |
afaf5a2d | 3594 | |
f4f5df23 VC |
3595 | /* mapping of pcibase pointer */ |
3596 | ha->nx_pcibase = (unsigned long)ioremap(mem_base, mem_len); | |
3597 | if (!ha->nx_pcibase) { | |
3598 | printk(KERN_ERR | |
3599 | "cannot remap MMIO (%s), aborting\n", pci_name(pdev)); | |
3600 | pci_release_regions(ha->pdev); | |
3601 | goto iospace_error_exit; | |
3602 | } | |
3603 | ||
3604 | /* Mapping of IO base pointer, door bell read and write pointer */ | |
3605 | ||
3606 | /* mapping of IO base pointer */ | |
6e7b4292 VC |
3607 | if (is_qla8022(ha)) { |
3608 | ha->qla4_82xx_reg = (struct device_reg_82xx __iomem *) | |
3609 | ((uint8_t *)ha->nx_pcibase + 0xbc000 + | |
3610 | (ha->pdev->devfn << 11)); | |
3611 | ha->nx_db_wr_ptr = (ha->pdev->devfn == 4 ? QLA82XX_CAM_RAM_DB1 : | |
3612 | QLA82XX_CAM_RAM_DB2); | |
3613 | } else if (is_qla8032(ha)) { | |
3614 | ha->qla4_83xx_reg = (struct device_reg_83xx __iomem *) | |
3615 | ((uint8_t *)ha->nx_pcibase); | |
3616 | } | |
f4f5df23 VC |
3617 | |
3618 | db_base = pci_resource_start(pdev, 4); /* doorbell is on bar 4 */ | |
3619 | db_len = pci_resource_len(pdev, 4); | |
3620 | ||
2657c800 | 3621 | return 0; |
f4f5df23 VC |
3622 | iospace_error_exit: |
3623 | return -ENOMEM; | |
afaf5a2d DS |
3624 | } |
3625 | ||
3626 | /*** | |
3627 | * qla4xxx_iospace_config - maps registers | |
3628 | * @ha: pointer to adapter structure | |
3629 | * | |
3630 | * This routines maps HBA's registers from the pci address space | |
3631 | * into the kernel virtual address space for memory mapped i/o. | |
3632 | **/ | |
f4f5df23 | 3633 | int qla4xxx_iospace_config(struct scsi_qla_host *ha) |
afaf5a2d DS |
3634 | { |
3635 | unsigned long pio, pio_len, pio_flags; | |
3636 | unsigned long mmio, mmio_len, mmio_flags; | |
3637 | ||
3638 | pio = pci_resource_start(ha->pdev, 0); | |
3639 | pio_len = pci_resource_len(ha->pdev, 0); | |
3640 | pio_flags = pci_resource_flags(ha->pdev, 0); | |
3641 | if (pio_flags & IORESOURCE_IO) { | |
3642 | if (pio_len < MIN_IOBASE_LEN) { | |
c2660df3 | 3643 | ql4_printk(KERN_WARNING, ha, |
afaf5a2d DS |
3644 | "Invalid PCI I/O region size\n"); |
3645 | pio = 0; | |
3646 | } | |
3647 | } else { | |
c2660df3 | 3648 | ql4_printk(KERN_WARNING, ha, "region #0 not a PIO resource\n"); |
afaf5a2d DS |
3649 | pio = 0; |
3650 | } | |
3651 | ||
3652 | /* Use MMIO operations for all accesses. */ | |
3653 | mmio = pci_resource_start(ha->pdev, 1); | |
3654 | mmio_len = pci_resource_len(ha->pdev, 1); | |
3655 | mmio_flags = pci_resource_flags(ha->pdev, 1); | |
3656 | ||
3657 | if (!(mmio_flags & IORESOURCE_MEM)) { | |
c2660df3 VC |
3658 | ql4_printk(KERN_ERR, ha, |
3659 | "region #0 not an MMIO resource, aborting\n"); | |
afaf5a2d DS |
3660 | |
3661 | goto iospace_error_exit; | |
3662 | } | |
c2660df3 | 3663 | |
afaf5a2d | 3664 | if (mmio_len < MIN_IOBASE_LEN) { |
c2660df3 VC |
3665 | ql4_printk(KERN_ERR, ha, |
3666 | "Invalid PCI mem region size, aborting\n"); | |
afaf5a2d DS |
3667 | goto iospace_error_exit; |
3668 | } | |
3669 | ||
3670 | if (pci_request_regions(ha->pdev, DRIVER_NAME)) { | |
c2660df3 VC |
3671 | ql4_printk(KERN_WARNING, ha, |
3672 | "Failed to reserve PIO/MMIO regions\n"); | |
afaf5a2d DS |
3673 | |
3674 | goto iospace_error_exit; | |
3675 | } | |
3676 | ||
3677 | ha->pio_address = pio; | |
3678 | ha->pio_length = pio_len; | |
3679 | ha->reg = ioremap(mmio, MIN_IOBASE_LEN); | |
3680 | if (!ha->reg) { | |
c2660df3 VC |
3681 | ql4_printk(KERN_ERR, ha, |
3682 | "cannot remap MMIO, aborting\n"); | |
afaf5a2d DS |
3683 | |
3684 | goto iospace_error_exit; | |
3685 | } | |
3686 | ||
3687 | return 0; | |
3688 | ||
3689 | iospace_error_exit: | |
3690 | return -ENOMEM; | |
3691 | } | |
3692 | ||
f4f5df23 VC |
3693 | static struct isp_operations qla4xxx_isp_ops = { |
3694 | .iospace_config = qla4xxx_iospace_config, | |
3695 | .pci_config = qla4xxx_pci_config, | |
3696 | .disable_intrs = qla4xxx_disable_intrs, | |
3697 | .enable_intrs = qla4xxx_enable_intrs, | |
3698 | .start_firmware = qla4xxx_start_firmware, | |
3699 | .intr_handler = qla4xxx_intr_handler, | |
3700 | .interrupt_service_routine = qla4xxx_interrupt_service_routine, | |
3701 | .reset_chip = qla4xxx_soft_reset, | |
3702 | .reset_firmware = qla4xxx_hw_reset, | |
3703 | .queue_iocb = qla4xxx_queue_iocb, | |
3704 | .complete_iocb = qla4xxx_complete_iocb, | |
3705 | .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out, | |
3706 | .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in, | |
3707 | .get_sys_info = qla4xxx_get_sys_info, | |
33693c7a VC |
3708 | .queue_mailbox_command = qla4xxx_queue_mbox_cmd, |
3709 | .process_mailbox_interrupt = qla4xxx_process_mbox_intr, | |
f4f5df23 VC |
3710 | }; |
3711 | ||
7664a1fd | 3712 | static struct isp_operations qla4_82xx_isp_ops = { |
f4f5df23 VC |
3713 | .iospace_config = qla4_8xxx_iospace_config, |
3714 | .pci_config = qla4_8xxx_pci_config, | |
f8086f4f VC |
3715 | .disable_intrs = qla4_82xx_disable_intrs, |
3716 | .enable_intrs = qla4_82xx_enable_intrs, | |
f4f5df23 | 3717 | .start_firmware = qla4_8xxx_load_risc, |
33693c7a | 3718 | .restart_firmware = qla4_82xx_try_start_fw, |
f8086f4f VC |
3719 | .intr_handler = qla4_82xx_intr_handler, |
3720 | .interrupt_service_routine = qla4_82xx_interrupt_service_routine, | |
33693c7a | 3721 | .need_reset = qla4_8xxx_need_reset, |
f8086f4f | 3722 | .reset_chip = qla4_82xx_isp_reset, |
f4f5df23 | 3723 | .reset_firmware = qla4_8xxx_stop_firmware, |
f8086f4f VC |
3724 | .queue_iocb = qla4_82xx_queue_iocb, |
3725 | .complete_iocb = qla4_82xx_complete_iocb, | |
3726 | .rd_shdw_req_q_out = qla4_82xx_rd_shdw_req_q_out, | |
3727 | .rd_shdw_rsp_q_in = qla4_82xx_rd_shdw_rsp_q_in, | |
f4f5df23 | 3728 | .get_sys_info = qla4_8xxx_get_sys_info, |
33693c7a VC |
3729 | .rd_reg_direct = qla4_82xx_rd_32, |
3730 | .wr_reg_direct = qla4_82xx_wr_32, | |
3731 | .rd_reg_indirect = qla4_82xx_md_rd_32, | |
3732 | .wr_reg_indirect = qla4_82xx_md_wr_32, | |
3733 | .idc_lock = qla4_82xx_idc_lock, | |
3734 | .idc_unlock = qla4_82xx_idc_unlock, | |
3735 | .rom_lock_recovery = qla4_82xx_rom_lock_recovery, | |
3736 | .queue_mailbox_command = qla4_82xx_queue_mbox_cmd, | |
3737 | .process_mailbox_interrupt = qla4_82xx_process_mbox_intr, | |
f4f5df23 VC |
3738 | }; |
3739 | ||
6e7b4292 VC |
3740 | static struct isp_operations qla4_83xx_isp_ops = { |
3741 | .iospace_config = qla4_8xxx_iospace_config, | |
3742 | .pci_config = qla4_8xxx_pci_config, | |
3743 | .disable_intrs = qla4_83xx_disable_intrs, | |
3744 | .enable_intrs = qla4_83xx_enable_intrs, | |
3745 | .start_firmware = qla4_8xxx_load_risc, | |
3746 | .restart_firmware = qla4_83xx_start_firmware, | |
3747 | .intr_handler = qla4_83xx_intr_handler, | |
3748 | .interrupt_service_routine = qla4_83xx_interrupt_service_routine, | |
3749 | .need_reset = qla4_8xxx_need_reset, | |
3750 | .reset_chip = qla4_83xx_isp_reset, | |
3751 | .reset_firmware = qla4_8xxx_stop_firmware, | |
3752 | .queue_iocb = qla4_83xx_queue_iocb, | |
3753 | .complete_iocb = qla4_83xx_complete_iocb, | |
a24058f9 TP |
3754 | .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out, |
3755 | .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in, | |
6e7b4292 VC |
3756 | .get_sys_info = qla4_8xxx_get_sys_info, |
3757 | .rd_reg_direct = qla4_83xx_rd_reg, | |
3758 | .wr_reg_direct = qla4_83xx_wr_reg, | |
3759 | .rd_reg_indirect = qla4_83xx_rd_reg_indirect, | |
3760 | .wr_reg_indirect = qla4_83xx_wr_reg_indirect, | |
3761 | .idc_lock = qla4_83xx_drv_lock, | |
3762 | .idc_unlock = qla4_83xx_drv_unlock, | |
3763 | .rom_lock_recovery = qla4_83xx_rom_lock_recovery, | |
3764 | .queue_mailbox_command = qla4_83xx_queue_mbox_cmd, | |
3765 | .process_mailbox_interrupt = qla4_83xx_process_mbox_intr, | |
f4f5df23 VC |
3766 | }; |
3767 | ||
3768 | uint16_t qla4xxx_rd_shdw_req_q_out(struct scsi_qla_host *ha) | |
3769 | { | |
3770 | return (uint16_t)le32_to_cpu(ha->shadow_regs->req_q_out); | |
3771 | } | |
3772 | ||
f8086f4f | 3773 | uint16_t qla4_82xx_rd_shdw_req_q_out(struct scsi_qla_host *ha) |
f4f5df23 | 3774 | { |
7664a1fd | 3775 | return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->req_q_out)); |
f4f5df23 VC |
3776 | } |
3777 | ||
3778 | uint16_t qla4xxx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha) | |
3779 | { | |
3780 | return (uint16_t)le32_to_cpu(ha->shadow_regs->rsp_q_in); | |
3781 | } | |
3782 | ||
f8086f4f | 3783 | uint16_t qla4_82xx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha) |
f4f5df23 | 3784 | { |
7664a1fd | 3785 | return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->rsp_q_in)); |
f4f5df23 VC |
3786 | } |
3787 | ||
2a991c21 MR |
3788 | static ssize_t qla4xxx_show_boot_eth_info(void *data, int type, char *buf) |
3789 | { | |
3790 | struct scsi_qla_host *ha = data; | |
3791 | char *str = buf; | |
3792 | int rc; | |
3793 | ||
3794 | switch (type) { | |
3795 | case ISCSI_BOOT_ETH_FLAGS: | |
3796 | rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT); | |
3797 | break; | |
3798 | case ISCSI_BOOT_ETH_INDEX: | |
3799 | rc = sprintf(str, "0\n"); | |
3800 | break; | |
3801 | case ISCSI_BOOT_ETH_MAC: | |
3802 | rc = sysfs_format_mac(str, ha->my_mac, | |
3803 | MAC_ADDR_LEN); | |
3804 | break; | |
3805 | default: | |
3806 | rc = -ENOSYS; | |
3807 | break; | |
3808 | } | |
3809 | return rc; | |
3810 | } | |
3811 | ||
587a1f16 | 3812 | static umode_t qla4xxx_eth_get_attr_visibility(void *data, int type) |
2a991c21 MR |
3813 | { |
3814 | int rc; | |
3815 | ||
3816 | switch (type) { | |
3817 | case ISCSI_BOOT_ETH_FLAGS: | |
3818 | case ISCSI_BOOT_ETH_MAC: | |
3819 | case ISCSI_BOOT_ETH_INDEX: | |
3820 | rc = S_IRUGO; | |
3821 | break; | |
3822 | default: | |
3823 | rc = 0; | |
3824 | break; | |
3825 | } | |
3826 | return rc; | |
3827 | } | |
3828 | ||
3829 | static ssize_t qla4xxx_show_boot_ini_info(void *data, int type, char *buf) | |
3830 | { | |
3831 | struct scsi_qla_host *ha = data; | |
3832 | char *str = buf; | |
3833 | int rc; | |
3834 | ||
3835 | switch (type) { | |
3836 | case ISCSI_BOOT_INI_INITIATOR_NAME: | |
3837 | rc = sprintf(str, "%s\n", ha->name_string); | |
3838 | break; | |
3839 | default: | |
3840 | rc = -ENOSYS; | |
3841 | break; | |
3842 | } | |
3843 | return rc; | |
3844 | } | |
3845 | ||
587a1f16 | 3846 | static umode_t qla4xxx_ini_get_attr_visibility(void *data, int type) |
2a991c21 MR |
3847 | { |
3848 | int rc; | |
3849 | ||
3850 | switch (type) { | |
3851 | case ISCSI_BOOT_INI_INITIATOR_NAME: | |
3852 | rc = S_IRUGO; | |
3853 | break; | |
3854 | default: | |
3855 | rc = 0; | |
3856 | break; | |
3857 | } | |
3858 | return rc; | |
3859 | } | |
3860 | ||
3861 | static ssize_t | |
3862 | qla4xxx_show_boot_tgt_info(struct ql4_boot_session_info *boot_sess, int type, | |
3863 | char *buf) | |
3864 | { | |
3865 | struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0]; | |
3866 | char *str = buf; | |
3867 | int rc; | |
3868 | ||
3869 | switch (type) { | |
3870 | case ISCSI_BOOT_TGT_NAME: | |
3871 | rc = sprintf(buf, "%s\n", (char *)&boot_sess->target_name); | |
3872 | break; | |
3873 | case ISCSI_BOOT_TGT_IP_ADDR: | |
3874 | if (boot_sess->conn_list[0].dest_ipaddr.ip_type == 0x1) | |
3875 | rc = sprintf(buf, "%pI4\n", | |
3876 | &boot_conn->dest_ipaddr.ip_address); | |
3877 | else | |
3878 | rc = sprintf(str, "%pI6\n", | |
3879 | &boot_conn->dest_ipaddr.ip_address); | |
3880 | break; | |
3881 | case ISCSI_BOOT_TGT_PORT: | |
3882 | rc = sprintf(str, "%d\n", boot_conn->dest_port); | |
3883 | break; | |
3884 | case ISCSI_BOOT_TGT_CHAP_NAME: | |
3885 | rc = sprintf(str, "%.*s\n", | |
3886 | boot_conn->chap.target_chap_name_length, | |
3887 | (char *)&boot_conn->chap.target_chap_name); | |
3888 | break; | |
3889 | case ISCSI_BOOT_TGT_CHAP_SECRET: | |
3890 | rc = sprintf(str, "%.*s\n", | |
3891 | boot_conn->chap.target_secret_length, | |
3892 | (char *)&boot_conn->chap.target_secret); | |
3893 | break; | |
3894 | case ISCSI_BOOT_TGT_REV_CHAP_NAME: | |
3895 | rc = sprintf(str, "%.*s\n", | |
3896 | boot_conn->chap.intr_chap_name_length, | |
3897 | (char *)&boot_conn->chap.intr_chap_name); | |
3898 | break; | |
3899 | case ISCSI_BOOT_TGT_REV_CHAP_SECRET: | |
3900 | rc = sprintf(str, "%.*s\n", | |
3901 | boot_conn->chap.intr_secret_length, | |
3902 | (char *)&boot_conn->chap.intr_secret); | |
3903 | break; | |
3904 | case ISCSI_BOOT_TGT_FLAGS: | |
3905 | rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT); | |
3906 | break; | |
3907 | case ISCSI_BOOT_TGT_NIC_ASSOC: | |
3908 | rc = sprintf(str, "0\n"); | |
3909 | break; | |
3910 | default: | |
3911 | rc = -ENOSYS; | |
3912 | break; | |
3913 | } | |
3914 | return rc; | |
3915 | } | |
3916 | ||
3917 | static ssize_t qla4xxx_show_boot_tgt_pri_info(void *data, int type, char *buf) | |
3918 | { | |
3919 | struct scsi_qla_host *ha = data; | |
3920 | struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_pri_sess); | |
3921 | ||
3922 | return qla4xxx_show_boot_tgt_info(boot_sess, type, buf); | |
3923 | } | |
3924 | ||
3925 | static ssize_t qla4xxx_show_boot_tgt_sec_info(void *data, int type, char *buf) | |
3926 | { | |
3927 | struct scsi_qla_host *ha = data; | |
3928 | struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_sec_sess); | |
3929 | ||
3930 | return qla4xxx_show_boot_tgt_info(boot_sess, type, buf); | |
3931 | } | |
3932 | ||
587a1f16 | 3933 | static umode_t qla4xxx_tgt_get_attr_visibility(void *data, int type) |
2a991c21 MR |
3934 | { |
3935 | int rc; | |
3936 | ||
3937 | switch (type) { | |
3938 | case ISCSI_BOOT_TGT_NAME: | |
3939 | case ISCSI_BOOT_TGT_IP_ADDR: | |
3940 | case ISCSI_BOOT_TGT_PORT: | |
3941 | case ISCSI_BOOT_TGT_CHAP_NAME: | |
3942 | case ISCSI_BOOT_TGT_CHAP_SECRET: | |
3943 | case ISCSI_BOOT_TGT_REV_CHAP_NAME: | |
3944 | case ISCSI_BOOT_TGT_REV_CHAP_SECRET: | |
3945 | case ISCSI_BOOT_TGT_NIC_ASSOC: | |
3946 | case ISCSI_BOOT_TGT_FLAGS: | |
3947 | rc = S_IRUGO; | |
3948 | break; | |
3949 | default: | |
3950 | rc = 0; | |
3951 | break; | |
3952 | } | |
3953 | return rc; | |
3954 | } | |
3955 | ||
3956 | static void qla4xxx_boot_release(void *data) | |
3957 | { | |
3958 | struct scsi_qla_host *ha = data; | |
3959 | ||
3960 | scsi_host_put(ha->host); | |
3961 | } | |
3962 | ||
3963 | static int get_fw_boot_info(struct scsi_qla_host *ha, uint16_t ddb_index[]) | |
3964 | { | |
3965 | dma_addr_t buf_dma; | |
3966 | uint32_t addr, pri_addr, sec_addr; | |
3967 | uint32_t offset; | |
3968 | uint16_t func_num; | |
3969 | uint8_t val; | |
3970 | uint8_t *buf = NULL; | |
3971 | size_t size = 13 * sizeof(uint8_t); | |
3972 | int ret = QLA_SUCCESS; | |
3973 | ||
3974 | func_num = PCI_FUNC(ha->pdev->devfn); | |
3975 | ||
0d5b36b8 MR |
3976 | ql4_printk(KERN_INFO, ha, "%s: Get FW boot info for 0x%x func %d\n", |
3977 | __func__, ha->pdev->device, func_num); | |
2a991c21 | 3978 | |
0d5b36b8 | 3979 | if (is_qla40XX(ha)) { |
2a991c21 MR |
3980 | if (func_num == 1) { |
3981 | addr = NVRAM_PORT0_BOOT_MODE; | |
3982 | pri_addr = NVRAM_PORT0_BOOT_PRI_TGT; | |
3983 | sec_addr = NVRAM_PORT0_BOOT_SEC_TGT; | |
3984 | } else if (func_num == 3) { | |
3985 | addr = NVRAM_PORT1_BOOT_MODE; | |
3986 | pri_addr = NVRAM_PORT1_BOOT_PRI_TGT; | |
3987 | sec_addr = NVRAM_PORT1_BOOT_SEC_TGT; | |
3988 | } else { | |
3989 | ret = QLA_ERROR; | |
3990 | goto exit_boot_info; | |
3991 | } | |
3992 | ||
3993 | /* Check Boot Mode */ | |
3994 | val = rd_nvram_byte(ha, addr); | |
3995 | if (!(val & 0x07)) { | |
e8fb00e0 MR |
3996 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Adapter boot " |
3997 | "options : 0x%x\n", __func__, val)); | |
2a991c21 MR |
3998 | ret = QLA_ERROR; |
3999 | goto exit_boot_info; | |
4000 | } | |
4001 | ||
4002 | /* get primary valid target index */ | |
4003 | val = rd_nvram_byte(ha, pri_addr); | |
4004 | if (val & BIT_7) | |
4005 | ddb_index[0] = (val & 0x7f); | |
2a991c21 MR |
4006 | |
4007 | /* get secondary valid target index */ | |
4008 | val = rd_nvram_byte(ha, sec_addr); | |
4009 | if (val & BIT_7) | |
4010 | ddb_index[1] = (val & 0x7f); | |
2a991c21 | 4011 | |
3e788fb1 | 4012 | } else if (is_qla80XX(ha)) { |
2a991c21 MR |
4013 | buf = dma_alloc_coherent(&ha->pdev->dev, size, |
4014 | &buf_dma, GFP_KERNEL); | |
4015 | if (!buf) { | |
4016 | DEBUG2(ql4_printk(KERN_ERR, ha, | |
4017 | "%s: Unable to allocate dma buffer\n", | |
4018 | __func__)); | |
4019 | ret = QLA_ERROR; | |
4020 | goto exit_boot_info; | |
4021 | } | |
4022 | ||
4023 | if (ha->port_num == 0) | |
4024 | offset = BOOT_PARAM_OFFSET_PORT0; | |
4025 | else if (ha->port_num == 1) | |
4026 | offset = BOOT_PARAM_OFFSET_PORT1; | |
4027 | else { | |
4028 | ret = QLA_ERROR; | |
4029 | goto exit_boot_info_free; | |
4030 | } | |
4031 | addr = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_iscsi_param * 4) + | |
4032 | offset; | |
4033 | if (qla4xxx_get_flash(ha, buf_dma, addr, | |
4034 | 13 * sizeof(uint8_t)) != QLA_SUCCESS) { | |
4035 | DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: Get Flash" | |
0bd7f842 | 4036 | " failed\n", ha->host_no, __func__)); |
2a991c21 MR |
4037 | ret = QLA_ERROR; |
4038 | goto exit_boot_info_free; | |
4039 | } | |
4040 | /* Check Boot Mode */ | |
4041 | if (!(buf[1] & 0x07)) { | |
e8fb00e0 MR |
4042 | DEBUG2(ql4_printk(KERN_INFO, ha, "Firmware boot options" |
4043 | " : 0x%x\n", buf[1])); | |
2a991c21 MR |
4044 | ret = QLA_ERROR; |
4045 | goto exit_boot_info_free; | |
4046 | } | |
4047 | ||
4048 | /* get primary valid target index */ | |
4049 | if (buf[2] & BIT_7) | |
4050 | ddb_index[0] = buf[2] & 0x7f; | |
2a991c21 MR |
4051 | |
4052 | /* get secondary valid target index */ | |
4053 | if (buf[11] & BIT_7) | |
4054 | ddb_index[1] = buf[11] & 0x7f; | |
2a991c21 MR |
4055 | } else { |
4056 | ret = QLA_ERROR; | |
4057 | goto exit_boot_info; | |
4058 | } | |
4059 | ||
4060 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary target ID %d, Secondary" | |
4061 | " target ID %d\n", __func__, ddb_index[0], | |
4062 | ddb_index[1])); | |
4063 | ||
4064 | exit_boot_info_free: | |
4065 | dma_free_coherent(&ha->pdev->dev, size, buf, buf_dma); | |
4066 | exit_boot_info: | |
20e835b4 LC |
4067 | ha->pri_ddb_idx = ddb_index[0]; |
4068 | ha->sec_ddb_idx = ddb_index[1]; | |
2a991c21 MR |
4069 | return ret; |
4070 | } | |
4071 | ||
28deb45c LC |
4072 | /** |
4073 | * qla4xxx_get_bidi_chap - Get a BIDI CHAP user and password | |
4074 | * @ha: pointer to adapter structure | |
4075 | * @username: CHAP username to be returned | |
4076 | * @password: CHAP password to be returned | |
4077 | * | |
4078 | * If a boot entry has BIDI CHAP enabled then we need to set the BIDI CHAP | |
4079 | * user and password in the sysfs entry in /sys/firmware/iscsi_boot#/. | |
4080 | * So from the CHAP cache find the first BIDI CHAP entry and set it | |
4081 | * to the boot record in sysfs. | |
4082 | **/ | |
4083 | static int qla4xxx_get_bidi_chap(struct scsi_qla_host *ha, char *username, | |
4084 | char *password) | |
4085 | { | |
4086 | int i, ret = -EINVAL; | |
4087 | int max_chap_entries = 0; | |
4088 | struct ql4_chap_table *chap_table; | |
4089 | ||
4090 | if (is_qla8022(ha)) | |
4091 | max_chap_entries = (ha->hw.flt_chap_size / 2) / | |
4092 | sizeof(struct ql4_chap_table); | |
4093 | else | |
4094 | max_chap_entries = MAX_CHAP_ENTRIES_40XX; | |
4095 | ||
4096 | if (!ha->chap_list) { | |
4097 | ql4_printk(KERN_ERR, ha, "Do not have CHAP table cache\n"); | |
4098 | return ret; | |
4099 | } | |
4100 | ||
4101 | mutex_lock(&ha->chap_sem); | |
4102 | for (i = 0; i < max_chap_entries; i++) { | |
4103 | chap_table = (struct ql4_chap_table *)ha->chap_list + i; | |
4104 | if (chap_table->cookie != | |
4105 | __constant_cpu_to_le16(CHAP_VALID_COOKIE)) { | |
4106 | continue; | |
4107 | } | |
4108 | ||
4109 | if (chap_table->flags & BIT_7) /* local */ | |
4110 | continue; | |
4111 | ||
4112 | if (!(chap_table->flags & BIT_6)) /* Not BIDI */ | |
4113 | continue; | |
4114 | ||
4115 | strncpy(password, chap_table->secret, QL4_CHAP_MAX_SECRET_LEN); | |
4116 | strncpy(username, chap_table->name, QL4_CHAP_MAX_NAME_LEN); | |
4117 | ret = 0; | |
4118 | break; | |
4119 | } | |
4120 | mutex_unlock(&ha->chap_sem); | |
4121 | ||
4122 | return ret; | |
4123 | } | |
4124 | ||
4125 | ||
2a991c21 MR |
4126 | static int qla4xxx_get_boot_target(struct scsi_qla_host *ha, |
4127 | struct ql4_boot_session_info *boot_sess, | |
4128 | uint16_t ddb_index) | |
4129 | { | |
4130 | struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0]; | |
4131 | struct dev_db_entry *fw_ddb_entry; | |
4132 | dma_addr_t fw_ddb_entry_dma; | |
4133 | uint16_t idx; | |
4134 | uint16_t options; | |
4135 | int ret = QLA_SUCCESS; | |
4136 | ||
4137 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
4138 | &fw_ddb_entry_dma, GFP_KERNEL); | |
4139 | if (!fw_ddb_entry) { | |
4140 | DEBUG2(ql4_printk(KERN_ERR, ha, | |
4141 | "%s: Unable to allocate dma buffer.\n", | |
4142 | __func__)); | |
4143 | ret = QLA_ERROR; | |
4144 | return ret; | |
4145 | } | |
4146 | ||
4147 | if (qla4xxx_bootdb_by_index(ha, fw_ddb_entry, | |
4148 | fw_ddb_entry_dma, ddb_index)) { | |
e8fb00e0 MR |
4149 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: No Flash DDB found at " |
4150 | "index [%d]\n", __func__, ddb_index)); | |
2a991c21 MR |
4151 | ret = QLA_ERROR; |
4152 | goto exit_boot_target; | |
4153 | } | |
4154 | ||
4155 | /* Update target name and IP from DDB */ | |
4156 | memcpy(boot_sess->target_name, fw_ddb_entry->iscsi_name, | |
4157 | min(sizeof(boot_sess->target_name), | |
4158 | sizeof(fw_ddb_entry->iscsi_name))); | |
4159 | ||
4160 | options = le16_to_cpu(fw_ddb_entry->options); | |
4161 | if (options & DDB_OPT_IPV6_DEVICE) { | |
4162 | memcpy(&boot_conn->dest_ipaddr.ip_address, | |
4163 | &fw_ddb_entry->ip_addr[0], IPv6_ADDR_LEN); | |
4164 | } else { | |
4165 | boot_conn->dest_ipaddr.ip_type = 0x1; | |
4166 | memcpy(&boot_conn->dest_ipaddr.ip_address, | |
4167 | &fw_ddb_entry->ip_addr[0], IP_ADDR_LEN); | |
4168 | } | |
4169 | ||
4170 | boot_conn->dest_port = le16_to_cpu(fw_ddb_entry->port); | |
4171 | ||
4172 | /* update chap information */ | |
4173 | idx = __le16_to_cpu(fw_ddb_entry->chap_tbl_idx); | |
4174 | ||
4175 | if (BIT_7 & le16_to_cpu(fw_ddb_entry->iscsi_options)) { | |
4176 | ||
4177 | DEBUG2(ql4_printk(KERN_INFO, ha, "Setting chap\n")); | |
4178 | ||
4179 | ret = qla4xxx_get_chap(ha, (char *)&boot_conn->chap. | |
4180 | target_chap_name, | |
4181 | (char *)&boot_conn->chap.target_secret, | |
4182 | idx); | |
4183 | if (ret) { | |
4184 | ql4_printk(KERN_ERR, ha, "Failed to set chap\n"); | |
4185 | ret = QLA_ERROR; | |
4186 | goto exit_boot_target; | |
4187 | } | |
4188 | ||
4189 | boot_conn->chap.target_chap_name_length = QL4_CHAP_MAX_NAME_LEN; | |
4190 | boot_conn->chap.target_secret_length = QL4_CHAP_MAX_SECRET_LEN; | |
4191 | } | |
4192 | ||
4193 | if (BIT_4 & le16_to_cpu(fw_ddb_entry->iscsi_options)) { | |
4194 | ||
4195 | DEBUG2(ql4_printk(KERN_INFO, ha, "Setting BIDI chap\n")); | |
4196 | ||
28deb45c LC |
4197 | ret = qla4xxx_get_bidi_chap(ha, |
4198 | (char *)&boot_conn->chap.intr_chap_name, | |
4199 | (char *)&boot_conn->chap.intr_secret); | |
4200 | ||
2a991c21 MR |
4201 | if (ret) { |
4202 | ql4_printk(KERN_ERR, ha, "Failed to set BIDI chap\n"); | |
4203 | ret = QLA_ERROR; | |
4204 | goto exit_boot_target; | |
4205 | } | |
4206 | ||
4207 | boot_conn->chap.intr_chap_name_length = QL4_CHAP_MAX_NAME_LEN; | |
4208 | boot_conn->chap.intr_secret_length = QL4_CHAP_MAX_SECRET_LEN; | |
4209 | } | |
4210 | ||
4211 | exit_boot_target: | |
4212 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
4213 | fw_ddb_entry, fw_ddb_entry_dma); | |
4214 | return ret; | |
4215 | } | |
4216 | ||
4217 | static int qla4xxx_get_boot_info(struct scsi_qla_host *ha) | |
4218 | { | |
4219 | uint16_t ddb_index[2]; | |
8de5b958 LC |
4220 | int ret = QLA_ERROR; |
4221 | int rval; | |
2a991c21 MR |
4222 | |
4223 | memset(ddb_index, 0, sizeof(ddb_index)); | |
8de5b958 LC |
4224 | ddb_index[0] = 0xffff; |
4225 | ddb_index[1] = 0xffff; | |
2a991c21 MR |
4226 | ret = get_fw_boot_info(ha, ddb_index); |
4227 | if (ret != QLA_SUCCESS) { | |
e8fb00e0 MR |
4228 | DEBUG2(ql4_printk(KERN_INFO, ha, |
4229 | "%s: No boot target configured.\n", __func__)); | |
2a991c21 MR |
4230 | return ret; |
4231 | } | |
4232 | ||
13483730 MC |
4233 | if (ql4xdisablesysfsboot) |
4234 | return QLA_SUCCESS; | |
4235 | ||
8de5b958 LC |
4236 | if (ddb_index[0] == 0xffff) |
4237 | goto sec_target; | |
4238 | ||
4239 | rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_pri_sess), | |
2a991c21 | 4240 | ddb_index[0]); |
8de5b958 | 4241 | if (rval != QLA_SUCCESS) { |
e8fb00e0 MR |
4242 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary boot target not " |
4243 | "configured\n", __func__)); | |
8de5b958 LC |
4244 | } else |
4245 | ret = QLA_SUCCESS; | |
2a991c21 | 4246 | |
8de5b958 LC |
4247 | sec_target: |
4248 | if (ddb_index[1] == 0xffff) | |
4249 | goto exit_get_boot_info; | |
4250 | ||
4251 | rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_sec_sess), | |
2a991c21 | 4252 | ddb_index[1]); |
8de5b958 | 4253 | if (rval != QLA_SUCCESS) { |
e8fb00e0 MR |
4254 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Secondary boot target not" |
4255 | " configured\n", __func__)); | |
8de5b958 LC |
4256 | } else |
4257 | ret = QLA_SUCCESS; | |
4258 | ||
4259 | exit_get_boot_info: | |
2a991c21 MR |
4260 | return ret; |
4261 | } | |
4262 | ||
4263 | static int qla4xxx_setup_boot_info(struct scsi_qla_host *ha) | |
4264 | { | |
4265 | struct iscsi_boot_kobj *boot_kobj; | |
4266 | ||
4267 | if (qla4xxx_get_boot_info(ha) != QLA_SUCCESS) | |
13483730 MC |
4268 | return QLA_ERROR; |
4269 | ||
4270 | if (ql4xdisablesysfsboot) { | |
4271 | ql4_printk(KERN_INFO, ha, | |
0bd7f842 | 4272 | "%s: syfsboot disabled - driver will trigger login " |
13483730 MC |
4273 | "and publish session for discovery .\n", __func__); |
4274 | return QLA_SUCCESS; | |
4275 | } | |
4276 | ||
2a991c21 MR |
4277 | |
4278 | ha->boot_kset = iscsi_boot_create_host_kset(ha->host->host_no); | |
4279 | if (!ha->boot_kset) | |
4280 | goto kset_free; | |
4281 | ||
4282 | if (!scsi_host_get(ha->host)) | |
4283 | goto kset_free; | |
4284 | boot_kobj = iscsi_boot_create_target(ha->boot_kset, 0, ha, | |
4285 | qla4xxx_show_boot_tgt_pri_info, | |
4286 | qla4xxx_tgt_get_attr_visibility, | |
4287 | qla4xxx_boot_release); | |
4288 | if (!boot_kobj) | |
4289 | goto put_host; | |
4290 | ||
4291 | if (!scsi_host_get(ha->host)) | |
4292 | goto kset_free; | |
4293 | boot_kobj = iscsi_boot_create_target(ha->boot_kset, 1, ha, | |
4294 | qla4xxx_show_boot_tgt_sec_info, | |
4295 | qla4xxx_tgt_get_attr_visibility, | |
4296 | qla4xxx_boot_release); | |
4297 | if (!boot_kobj) | |
4298 | goto put_host; | |
4299 | ||
4300 | if (!scsi_host_get(ha->host)) | |
4301 | goto kset_free; | |
4302 | boot_kobj = iscsi_boot_create_initiator(ha->boot_kset, 0, ha, | |
4303 | qla4xxx_show_boot_ini_info, | |
4304 | qla4xxx_ini_get_attr_visibility, | |
4305 | qla4xxx_boot_release); | |
4306 | if (!boot_kobj) | |
4307 | goto put_host; | |
4308 | ||
4309 | if (!scsi_host_get(ha->host)) | |
4310 | goto kset_free; | |
4311 | boot_kobj = iscsi_boot_create_ethernet(ha->boot_kset, 0, ha, | |
4312 | qla4xxx_show_boot_eth_info, | |
4313 | qla4xxx_eth_get_attr_visibility, | |
4314 | qla4xxx_boot_release); | |
4315 | if (!boot_kobj) | |
4316 | goto put_host; | |
4317 | ||
13483730 | 4318 | return QLA_SUCCESS; |
2a991c21 MR |
4319 | |
4320 | put_host: | |
4321 | scsi_host_put(ha->host); | |
4322 | kset_free: | |
4323 | iscsi_boot_destroy_kset(ha->boot_kset); | |
4324 | return -ENOMEM; | |
4325 | } | |
4326 | ||
4549415a LC |
4327 | |
4328 | /** | |
4329 | * qla4xxx_create chap_list - Create CHAP list from FLASH | |
4330 | * @ha: pointer to adapter structure | |
4331 | * | |
4332 | * Read flash and make a list of CHAP entries, during login when a CHAP entry | |
4333 | * is received, it will be checked in this list. If entry exist then the CHAP | |
4334 | * entry index is set in the DDB. If CHAP entry does not exist in this list | |
4335 | * then a new entry is added in FLASH in CHAP table and the index obtained is | |
4336 | * used in the DDB. | |
4337 | **/ | |
4338 | static void qla4xxx_create_chap_list(struct scsi_qla_host *ha) | |
4339 | { | |
4340 | int rval = 0; | |
4341 | uint8_t *chap_flash_data = NULL; | |
4342 | uint32_t offset; | |
4343 | dma_addr_t chap_dma; | |
4344 | uint32_t chap_size = 0; | |
4345 | ||
4346 | if (is_qla40XX(ha)) | |
4347 | chap_size = MAX_CHAP_ENTRIES_40XX * | |
4348 | sizeof(struct ql4_chap_table); | |
4349 | else /* Single region contains CHAP info for both | |
4350 | * ports which is divided into half for each port. | |
4351 | */ | |
4352 | chap_size = ha->hw.flt_chap_size / 2; | |
4353 | ||
4354 | chap_flash_data = dma_alloc_coherent(&ha->pdev->dev, chap_size, | |
4355 | &chap_dma, GFP_KERNEL); | |
4356 | if (!chap_flash_data) { | |
4357 | ql4_printk(KERN_ERR, ha, "No memory for chap_flash_data\n"); | |
4358 | return; | |
4359 | } | |
4360 | if (is_qla40XX(ha)) | |
4361 | offset = FLASH_CHAP_OFFSET; | |
4362 | else { | |
4363 | offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2); | |
4364 | if (ha->port_num == 1) | |
4365 | offset += chap_size; | |
4366 | } | |
4367 | ||
4368 | rval = qla4xxx_get_flash(ha, chap_dma, offset, chap_size); | |
4369 | if (rval != QLA_SUCCESS) | |
4370 | goto exit_chap_list; | |
4371 | ||
4372 | if (ha->chap_list == NULL) | |
4373 | ha->chap_list = vmalloc(chap_size); | |
4374 | if (ha->chap_list == NULL) { | |
4375 | ql4_printk(KERN_ERR, ha, "No memory for ha->chap_list\n"); | |
4376 | goto exit_chap_list; | |
4377 | } | |
4378 | ||
4379 | memcpy(ha->chap_list, chap_flash_data, chap_size); | |
4380 | ||
4381 | exit_chap_list: | |
4382 | dma_free_coherent(&ha->pdev->dev, chap_size, | |
4383 | chap_flash_data, chap_dma); | |
4549415a LC |
4384 | } |
4385 | ||
13483730 MC |
4386 | static void qla4xxx_get_param_ddb(struct ddb_entry *ddb_entry, |
4387 | struct ql4_tuple_ddb *tddb) | |
4388 | { | |
4389 | struct scsi_qla_host *ha; | |
4390 | struct iscsi_cls_session *cls_sess; | |
4391 | struct iscsi_cls_conn *cls_conn; | |
4392 | struct iscsi_session *sess; | |
4393 | struct iscsi_conn *conn; | |
4394 | ||
4395 | DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); | |
4396 | ha = ddb_entry->ha; | |
4397 | cls_sess = ddb_entry->sess; | |
4398 | sess = cls_sess->dd_data; | |
4399 | cls_conn = ddb_entry->conn; | |
4400 | conn = cls_conn->dd_data; | |
4401 | ||
4402 | tddb->tpgt = sess->tpgt; | |
4403 | tddb->port = conn->persistent_port; | |
4404 | strncpy(tddb->iscsi_name, sess->targetname, ISCSI_NAME_SIZE); | |
4405 | strncpy(tddb->ip_addr, conn->persistent_address, DDB_IPADDR_LEN); | |
4406 | } | |
4407 | ||
4408 | static void qla4xxx_convert_param_ddb(struct dev_db_entry *fw_ddb_entry, | |
1cb78d73 VC |
4409 | struct ql4_tuple_ddb *tddb, |
4410 | uint8_t *flash_isid) | |
13483730 MC |
4411 | { |
4412 | uint16_t options = 0; | |
4413 | ||
4414 | tddb->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); | |
4415 | memcpy(&tddb->iscsi_name[0], &fw_ddb_entry->iscsi_name[0], | |
4416 | min(sizeof(tddb->iscsi_name), sizeof(fw_ddb_entry->iscsi_name))); | |
4417 | ||
4418 | options = le16_to_cpu(fw_ddb_entry->options); | |
4419 | if (options & DDB_OPT_IPV6_DEVICE) | |
4420 | sprintf(tddb->ip_addr, "%pI6", fw_ddb_entry->ip_addr); | |
4421 | else | |
4422 | sprintf(tddb->ip_addr, "%pI4", fw_ddb_entry->ip_addr); | |
4423 | ||
4424 | tddb->port = le16_to_cpu(fw_ddb_entry->port); | |
1cb78d73 VC |
4425 | |
4426 | if (flash_isid == NULL) | |
4427 | memcpy(&tddb->isid[0], &fw_ddb_entry->isid[0], | |
4428 | sizeof(tddb->isid)); | |
4429 | else | |
4430 | memcpy(&tddb->isid[0], &flash_isid[0], sizeof(tddb->isid)); | |
13483730 MC |
4431 | } |
4432 | ||
4433 | static int qla4xxx_compare_tuple_ddb(struct scsi_qla_host *ha, | |
4434 | struct ql4_tuple_ddb *old_tddb, | |
173269ef MR |
4435 | struct ql4_tuple_ddb *new_tddb, |
4436 | uint8_t is_isid_compare) | |
13483730 MC |
4437 | { |
4438 | if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name)) | |
4439 | return QLA_ERROR; | |
4440 | ||
4441 | if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr)) | |
4442 | return QLA_ERROR; | |
4443 | ||
4444 | if (old_tddb->port != new_tddb->port) | |
4445 | return QLA_ERROR; | |
4446 | ||
173269ef | 4447 | /* For multi sessions, driver generates the ISID, so do not compare |
59e13d48 | 4448 | * ISID in reset path since it would be a comparison between the |
173269ef MR |
4449 | * driver generated ISID and firmware generated ISID. This could |
4450 | * lead to adding duplicated DDBs in the list as driver generated | |
4451 | * ISID would not match firmware generated ISID. | |
4452 | */ | |
4453 | if (is_isid_compare) { | |
4454 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: old ISID [%02x%02x%02x" | |
4455 | "%02x%02x%02x] New ISID [%02x%02x%02x%02x%02x%02x]\n", | |
4456 | __func__, old_tddb->isid[5], old_tddb->isid[4], | |
4457 | old_tddb->isid[3], old_tddb->isid[2], old_tddb->isid[1], | |
4458 | old_tddb->isid[0], new_tddb->isid[5], new_tddb->isid[4], | |
4459 | new_tddb->isid[3], new_tddb->isid[2], new_tddb->isid[1], | |
4460 | new_tddb->isid[0])); | |
4461 | ||
4462 | if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0], | |
4463 | sizeof(old_tddb->isid))) | |
4464 | return QLA_ERROR; | |
4465 | } | |
4466 | ||
13483730 MC |
4467 | DEBUG2(ql4_printk(KERN_INFO, ha, |
4468 | "Match Found, fw[%d,%d,%s,%s], [%d,%d,%s,%s]", | |
4469 | old_tddb->port, old_tddb->tpgt, old_tddb->ip_addr, | |
4470 | old_tddb->iscsi_name, new_tddb->port, new_tddb->tpgt, | |
4471 | new_tddb->ip_addr, new_tddb->iscsi_name)); | |
4472 | ||
4473 | return QLA_SUCCESS; | |
4474 | } | |
4475 | ||
4476 | static int qla4xxx_is_session_exists(struct scsi_qla_host *ha, | |
4477 | struct dev_db_entry *fw_ddb_entry) | |
4478 | { | |
4479 | struct ddb_entry *ddb_entry; | |
4480 | struct ql4_tuple_ddb *fw_tddb = NULL; | |
4481 | struct ql4_tuple_ddb *tmp_tddb = NULL; | |
4482 | int idx; | |
4483 | int ret = QLA_ERROR; | |
4484 | ||
4485 | fw_tddb = vzalloc(sizeof(*fw_tddb)); | |
4486 | if (!fw_tddb) { | |
4487 | DEBUG2(ql4_printk(KERN_WARNING, ha, | |
4488 | "Memory Allocation failed.\n")); | |
4489 | ret = QLA_SUCCESS; | |
4490 | goto exit_check; | |
4491 | } | |
4492 | ||
4493 | tmp_tddb = vzalloc(sizeof(*tmp_tddb)); | |
4494 | if (!tmp_tddb) { | |
4495 | DEBUG2(ql4_printk(KERN_WARNING, ha, | |
4496 | "Memory Allocation failed.\n")); | |
4497 | ret = QLA_SUCCESS; | |
4498 | goto exit_check; | |
4499 | } | |
4500 | ||
1cb78d73 | 4501 | qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL); |
13483730 MC |
4502 | |
4503 | for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { | |
4504 | ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); | |
4505 | if (ddb_entry == NULL) | |
4506 | continue; | |
4507 | ||
4508 | qla4xxx_get_param_ddb(ddb_entry, tmp_tddb); | |
173269ef | 4509 | if (!qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, false)) { |
13483730 MC |
4510 | ret = QLA_SUCCESS; /* found */ |
4511 | goto exit_check; | |
4512 | } | |
4513 | } | |
4514 | ||
4515 | exit_check: | |
4516 | if (fw_tddb) | |
4517 | vfree(fw_tddb); | |
4518 | if (tmp_tddb) | |
4519 | vfree(tmp_tddb); | |
4520 | return ret; | |
4521 | } | |
4522 | ||
1cb78d73 VC |
4523 | /** |
4524 | * qla4xxx_check_existing_isid - check if target with same isid exist | |
4525 | * in target list | |
4526 | * @list_nt: list of target | |
4527 | * @isid: isid to check | |
4528 | * | |
4529 | * This routine return QLA_SUCCESS if target with same isid exist | |
4530 | **/ | |
4531 | static int qla4xxx_check_existing_isid(struct list_head *list_nt, uint8_t *isid) | |
4532 | { | |
4533 | struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp; | |
4534 | struct dev_db_entry *fw_ddb_entry; | |
4535 | ||
4536 | list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { | |
4537 | fw_ddb_entry = &nt_ddb_idx->fw_ddb; | |
4538 | ||
4539 | if (memcmp(&fw_ddb_entry->isid[0], &isid[0], | |
4540 | sizeof(nt_ddb_idx->fw_ddb.isid)) == 0) { | |
4541 | return QLA_SUCCESS; | |
4542 | } | |
4543 | } | |
4544 | return QLA_ERROR; | |
4545 | } | |
4546 | ||
4547 | /** | |
4548 | * qla4xxx_update_isid - compare ddbs and updated isid | |
4549 | * @ha: Pointer to host adapter structure. | |
4550 | * @list_nt: list of nt target | |
4551 | * @fw_ddb_entry: firmware ddb entry | |
4552 | * | |
4553 | * This routine update isid if ddbs have same iqn, same isid and | |
4554 | * different IP addr. | |
4555 | * Return QLA_SUCCESS if isid is updated. | |
4556 | **/ | |
4557 | static int qla4xxx_update_isid(struct scsi_qla_host *ha, | |
4558 | struct list_head *list_nt, | |
4559 | struct dev_db_entry *fw_ddb_entry) | |
4560 | { | |
4561 | uint8_t base_value, i; | |
4562 | ||
4563 | base_value = fw_ddb_entry->isid[1] & 0x1f; | |
4564 | for (i = 0; i < 8; i++) { | |
4565 | fw_ddb_entry->isid[1] = (base_value | (i << 5)); | |
4566 | if (qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid)) | |
4567 | break; | |
4568 | } | |
4569 | ||
4570 | if (!qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid)) | |
4571 | return QLA_ERROR; | |
4572 | ||
4573 | return QLA_SUCCESS; | |
4574 | } | |
4575 | ||
4576 | /** | |
4577 | * qla4xxx_should_update_isid - check if isid need to update | |
4578 | * @ha: Pointer to host adapter structure. | |
4579 | * @old_tddb: ddb tuple | |
4580 | * @new_tddb: ddb tuple | |
4581 | * | |
4582 | * Return QLA_SUCCESS if different IP, different PORT, same iqn, | |
4583 | * same isid | |
4584 | **/ | |
4585 | static int qla4xxx_should_update_isid(struct scsi_qla_host *ha, | |
4586 | struct ql4_tuple_ddb *old_tddb, | |
4587 | struct ql4_tuple_ddb *new_tddb) | |
4588 | { | |
4589 | if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr) == 0) { | |
4590 | /* Same ip */ | |
4591 | if (old_tddb->port == new_tddb->port) | |
4592 | return QLA_ERROR; | |
4593 | } | |
4594 | ||
4595 | if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name)) | |
4596 | /* different iqn */ | |
4597 | return QLA_ERROR; | |
4598 | ||
4599 | if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0], | |
4600 | sizeof(old_tddb->isid))) | |
4601 | /* different isid */ | |
4602 | return QLA_ERROR; | |
4603 | ||
4604 | return QLA_SUCCESS; | |
4605 | } | |
4606 | ||
4607 | /** | |
4608 | * qla4xxx_is_flash_ddb_exists - check if fw_ddb_entry already exists in list_nt | |
4609 | * @ha: Pointer to host adapter structure. | |
4610 | * @list_nt: list of nt target. | |
4611 | * @fw_ddb_entry: firmware ddb entry. | |
4612 | * | |
4613 | * This routine check if fw_ddb_entry already exists in list_nt to avoid | |
4614 | * duplicate ddb in list_nt. | |
4615 | * Return QLA_SUCCESS if duplicate ddb exit in list_nl. | |
4616 | * Note: This function also update isid of DDB if required. | |
4617 | **/ | |
4618 | ||
13483730 MC |
4619 | static int qla4xxx_is_flash_ddb_exists(struct scsi_qla_host *ha, |
4620 | struct list_head *list_nt, | |
4621 | struct dev_db_entry *fw_ddb_entry) | |
4622 | { | |
4623 | struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp; | |
4624 | struct ql4_tuple_ddb *fw_tddb = NULL; | |
4625 | struct ql4_tuple_ddb *tmp_tddb = NULL; | |
1cb78d73 | 4626 | int rval, ret = QLA_ERROR; |
13483730 MC |
4627 | |
4628 | fw_tddb = vzalloc(sizeof(*fw_tddb)); | |
4629 | if (!fw_tddb) { | |
4630 | DEBUG2(ql4_printk(KERN_WARNING, ha, | |
4631 | "Memory Allocation failed.\n")); | |
4632 | ret = QLA_SUCCESS; | |
4633 | goto exit_check; | |
4634 | } | |
4635 | ||
4636 | tmp_tddb = vzalloc(sizeof(*tmp_tddb)); | |
4637 | if (!tmp_tddb) { | |
4638 | DEBUG2(ql4_printk(KERN_WARNING, ha, | |
4639 | "Memory Allocation failed.\n")); | |
4640 | ret = QLA_SUCCESS; | |
4641 | goto exit_check; | |
4642 | } | |
4643 | ||
1cb78d73 | 4644 | qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL); |
13483730 MC |
4645 | |
4646 | list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { | |
1cb78d73 VC |
4647 | qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb, |
4648 | nt_ddb_idx->flash_isid); | |
4649 | ret = qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, true); | |
4650 | /* found duplicate ddb */ | |
4651 | if (ret == QLA_SUCCESS) | |
4652 | goto exit_check; | |
4653 | } | |
4654 | ||
4655 | list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { | |
4656 | qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb, NULL); | |
4657 | ||
4658 | ret = qla4xxx_should_update_isid(ha, tmp_tddb, fw_tddb); | |
4659 | if (ret == QLA_SUCCESS) { | |
4660 | rval = qla4xxx_update_isid(ha, list_nt, fw_ddb_entry); | |
4661 | if (rval == QLA_SUCCESS) | |
4662 | ret = QLA_ERROR; | |
4663 | else | |
4664 | ret = QLA_SUCCESS; | |
4665 | ||
13483730 MC |
4666 | goto exit_check; |
4667 | } | |
4668 | } | |
4669 | ||
4670 | exit_check: | |
4671 | if (fw_tddb) | |
4672 | vfree(fw_tddb); | |
4673 | if (tmp_tddb) | |
4674 | vfree(tmp_tddb); | |
4675 | return ret; | |
4676 | } | |
4677 | ||
4a4bc2e9 | 4678 | static void qla4xxx_free_ddb_list(struct list_head *list_ddb) |
13483730 | 4679 | { |
4a4bc2e9 | 4680 | struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; |
13483730 | 4681 | |
4a4bc2e9 LC |
4682 | list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { |
4683 | list_del_init(&ddb_idx->list); | |
4684 | vfree(ddb_idx); | |
13483730 | 4685 | } |
13483730 MC |
4686 | } |
4687 | ||
4688 | static struct iscsi_endpoint *qla4xxx_get_ep_fwdb(struct scsi_qla_host *ha, | |
4689 | struct dev_db_entry *fw_ddb_entry) | |
4690 | { | |
4691 | struct iscsi_endpoint *ep; | |
4692 | struct sockaddr_in *addr; | |
4693 | struct sockaddr_in6 *addr6; | |
3dd4849c MR |
4694 | struct sockaddr *t_addr; |
4695 | struct sockaddr_storage *dst_addr; | |
13483730 MC |
4696 | char *ip; |
4697 | ||
4698 | /* TODO: need to destroy on unload iscsi_endpoint*/ | |
4699 | dst_addr = vmalloc(sizeof(*dst_addr)); | |
4700 | if (!dst_addr) | |
4701 | return NULL; | |
4702 | ||
4703 | if (fw_ddb_entry->options & DDB_OPT_IPV6_DEVICE) { | |
3dd4849c MR |
4704 | t_addr = (struct sockaddr *)dst_addr; |
4705 | t_addr->sa_family = AF_INET6; | |
13483730 MC |
4706 | addr6 = (struct sockaddr_in6 *)dst_addr; |
4707 | ip = (char *)&addr6->sin6_addr; | |
4708 | memcpy(ip, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN); | |
4709 | addr6->sin6_port = htons(le16_to_cpu(fw_ddb_entry->port)); | |
4710 | ||
4711 | } else { | |
3dd4849c MR |
4712 | t_addr = (struct sockaddr *)dst_addr; |
4713 | t_addr->sa_family = AF_INET; | |
13483730 MC |
4714 | addr = (struct sockaddr_in *)dst_addr; |
4715 | ip = (char *)&addr->sin_addr; | |
4716 | memcpy(ip, fw_ddb_entry->ip_addr, IP_ADDR_LEN); | |
4717 | addr->sin_port = htons(le16_to_cpu(fw_ddb_entry->port)); | |
4718 | } | |
4719 | ||
3dd4849c | 4720 | ep = qla4xxx_ep_connect(ha->host, (struct sockaddr *)dst_addr, 0); |
13483730 MC |
4721 | vfree(dst_addr); |
4722 | return ep; | |
4723 | } | |
4724 | ||
4725 | static int qla4xxx_verify_boot_idx(struct scsi_qla_host *ha, uint16_t idx) | |
4726 | { | |
4727 | if (ql4xdisablesysfsboot) | |
4728 | return QLA_SUCCESS; | |
4729 | if (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx) | |
4730 | return QLA_ERROR; | |
4731 | return QLA_SUCCESS; | |
4732 | } | |
4733 | ||
4734 | static void qla4xxx_setup_flash_ddb_entry(struct scsi_qla_host *ha, | |
1dc8ed5d MR |
4735 | struct ddb_entry *ddb_entry, |
4736 | uint16_t idx) | |
13483730 | 4737 | { |
c28eaaca NJ |
4738 | uint16_t def_timeout; |
4739 | ||
13483730 MC |
4740 | ddb_entry->ddb_type = FLASH_DDB; |
4741 | ddb_entry->fw_ddb_index = INVALID_ENTRY; | |
4742 | ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE; | |
4743 | ddb_entry->ha = ha; | |
4744 | ddb_entry->unblock_sess = qla4xxx_unblock_flash_ddb; | |
4745 | ddb_entry->ddb_change = qla4xxx_flash_ddb_change; | |
4746 | ||
4747 | atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY); | |
4748 | atomic_set(&ddb_entry->relogin_timer, 0); | |
4749 | atomic_set(&ddb_entry->relogin_retry_count, 0); | |
c28eaaca | 4750 | def_timeout = le16_to_cpu(ddb_entry->fw_ddb_entry.def_timeout); |
13483730 | 4751 | ddb_entry->default_relogin_timeout = |
c28eaaca NJ |
4752 | (def_timeout > LOGIN_TOV) && (def_timeout < LOGIN_TOV * 10) ? |
4753 | def_timeout : LOGIN_TOV; | |
13483730 MC |
4754 | ddb_entry->default_time2wait = |
4755 | le16_to_cpu(ddb_entry->fw_ddb_entry.iscsi_def_time2wait); | |
1dc8ed5d MR |
4756 | |
4757 | if (ql4xdisablesysfsboot && | |
4758 | (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx)) | |
4759 | set_bit(DF_BOOT_TGT, &ddb_entry->flags); | |
13483730 MC |
4760 | } |
4761 | ||
4762 | static void qla4xxx_wait_for_ip_configuration(struct scsi_qla_host *ha) | |
4763 | { | |
4764 | uint32_t idx = 0; | |
4765 | uint32_t ip_idx[IP_ADDR_COUNT] = {0, 1, 2, 3}; /* 4 IP interfaces */ | |
4766 | uint32_t sts[MBOX_REG_COUNT]; | |
4767 | uint32_t ip_state; | |
4768 | unsigned long wtime; | |
4769 | int ret; | |
4770 | ||
4771 | wtime = jiffies + (HZ * IP_CONFIG_TOV); | |
4772 | do { | |
4773 | for (idx = 0; idx < IP_ADDR_COUNT; idx++) { | |
4774 | if (ip_idx[idx] == -1) | |
4775 | continue; | |
4776 | ||
4777 | ret = qla4xxx_get_ip_state(ha, 0, ip_idx[idx], sts); | |
4778 | ||
4779 | if (ret == QLA_ERROR) { | |
4780 | ip_idx[idx] = -1; | |
4781 | continue; | |
4782 | } | |
4783 | ||
4784 | ip_state = (sts[1] & IP_STATE_MASK) >> IP_STATE_SHIFT; | |
4785 | ||
4786 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
4787 | "Waiting for IP state for idx = %d, state = 0x%x\n", | |
4788 | ip_idx[idx], ip_state)); | |
4789 | if (ip_state == IP_ADDRSTATE_UNCONFIGURED || | |
4790 | ip_state == IP_ADDRSTATE_INVALID || | |
4791 | ip_state == IP_ADDRSTATE_PREFERRED || | |
4792 | ip_state == IP_ADDRSTATE_DEPRICATED || | |
4793 | ip_state == IP_ADDRSTATE_DISABLING) | |
4794 | ip_idx[idx] = -1; | |
13483730 MC |
4795 | } |
4796 | ||
4797 | /* Break if all IP states checked */ | |
4798 | if ((ip_idx[0] == -1) && | |
4799 | (ip_idx[1] == -1) && | |
4800 | (ip_idx[2] == -1) && | |
4801 | (ip_idx[3] == -1)) | |
4802 | break; | |
4803 | schedule_timeout_uninterruptible(HZ); | |
4804 | } while (time_after(wtime, jiffies)); | |
4805 | } | |
4806 | ||
4a4bc2e9 LC |
4807 | static void qla4xxx_build_st_list(struct scsi_qla_host *ha, |
4808 | struct list_head *list_st) | |
13483730 | 4809 | { |
4a4bc2e9 | 4810 | struct qla_ddb_index *st_ddb_idx; |
13483730 | 4811 | int max_ddbs; |
4a4bc2e9 LC |
4812 | int fw_idx_size; |
4813 | struct dev_db_entry *fw_ddb_entry; | |
4814 | dma_addr_t fw_ddb_dma; | |
13483730 MC |
4815 | int ret; |
4816 | uint32_t idx = 0, next_idx = 0; | |
4817 | uint32_t state = 0, conn_err = 0; | |
4a4bc2e9 | 4818 | uint16_t conn_id = 0; |
13483730 MC |
4819 | |
4820 | fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, | |
4821 | &fw_ddb_dma); | |
4822 | if (fw_ddb_entry == NULL) { | |
4823 | DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); | |
4a4bc2e9 | 4824 | goto exit_st_list; |
13483730 MC |
4825 | } |
4826 | ||
4a4bc2e9 LC |
4827 | max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : |
4828 | MAX_DEV_DB_ENTRIES; | |
13483730 MC |
4829 | fw_idx_size = sizeof(struct qla_ddb_index); |
4830 | ||
4831 | for (idx = 0; idx < max_ddbs; idx = next_idx) { | |
4a4bc2e9 LC |
4832 | ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, |
4833 | NULL, &next_idx, &state, | |
4834 | &conn_err, NULL, &conn_id); | |
13483730 MC |
4835 | if (ret == QLA_ERROR) |
4836 | break; | |
4837 | ||
981c982c LC |
4838 | /* Ignore DDB if invalid state (unassigned) */ |
4839 | if (state == DDB_DS_UNASSIGNED) | |
4840 | goto continue_next_st; | |
4841 | ||
13483730 MC |
4842 | /* Check if ST, add to the list_st */ |
4843 | if (strlen((char *) fw_ddb_entry->iscsi_name) != 0) | |
4844 | goto continue_next_st; | |
4845 | ||
4846 | st_ddb_idx = vzalloc(fw_idx_size); | |
4847 | if (!st_ddb_idx) | |
4848 | break; | |
4849 | ||
4850 | st_ddb_idx->fw_ddb_idx = idx; | |
4851 | ||
4a4bc2e9 | 4852 | list_add_tail(&st_ddb_idx->list, list_st); |
13483730 MC |
4853 | continue_next_st: |
4854 | if (next_idx == 0) | |
4855 | break; | |
4856 | } | |
4857 | ||
4a4bc2e9 LC |
4858 | exit_st_list: |
4859 | if (fw_ddb_entry) | |
4860 | dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); | |
4861 | } | |
4862 | ||
4863 | /** | |
4864 | * qla4xxx_remove_failed_ddb - Remove inactive or failed ddb from list | |
4865 | * @ha: pointer to adapter structure | |
4866 | * @list_ddb: List from which failed ddb to be removed | |
4867 | * | |
4868 | * Iterate over the list of DDBs and find and remove DDBs that are either in | |
4869 | * no connection active state or failed state | |
4870 | **/ | |
4871 | static void qla4xxx_remove_failed_ddb(struct scsi_qla_host *ha, | |
4872 | struct list_head *list_ddb) | |
4873 | { | |
4874 | struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; | |
4875 | uint32_t next_idx = 0; | |
4876 | uint32_t state = 0, conn_err = 0; | |
4877 | int ret; | |
4878 | ||
4879 | list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { | |
4880 | ret = qla4xxx_get_fwddb_entry(ha, ddb_idx->fw_ddb_idx, | |
4881 | NULL, 0, NULL, &next_idx, &state, | |
4882 | &conn_err, NULL, NULL); | |
4883 | if (ret == QLA_ERROR) | |
4884 | continue; | |
4885 | ||
4886 | if (state == DDB_DS_NO_CONNECTION_ACTIVE || | |
4887 | state == DDB_DS_SESSION_FAILED) { | |
4888 | list_del_init(&ddb_idx->list); | |
4889 | vfree(ddb_idx); | |
4890 | } | |
4891 | } | |
4892 | } | |
4893 | ||
4894 | static int qla4xxx_sess_conn_setup(struct scsi_qla_host *ha, | |
4895 | struct dev_db_entry *fw_ddb_entry, | |
1dc8ed5d | 4896 | int is_reset, uint16_t idx) |
4a4bc2e9 LC |
4897 | { |
4898 | struct iscsi_cls_session *cls_sess; | |
4899 | struct iscsi_session *sess; | |
4900 | struct iscsi_cls_conn *cls_conn; | |
4901 | struct iscsi_endpoint *ep; | |
4902 | uint16_t cmds_max = 32; | |
4903 | uint16_t conn_id = 0; | |
4904 | uint32_t initial_cmdsn = 0; | |
4905 | int ret = QLA_SUCCESS; | |
4906 | ||
4907 | struct ddb_entry *ddb_entry = NULL; | |
4908 | ||
4909 | /* Create session object, with INVALID_ENTRY, | |
4910 | * the targer_id would get set when we issue the login | |
13483730 | 4911 | */ |
4a4bc2e9 LC |
4912 | cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, ha->host, |
4913 | cmds_max, sizeof(struct ddb_entry), | |
4914 | sizeof(struct ql4_task_data), | |
4915 | initial_cmdsn, INVALID_ENTRY); | |
4916 | if (!cls_sess) { | |
4917 | ret = QLA_ERROR; | |
4918 | goto exit_setup; | |
4919 | } | |
13483730 | 4920 | |
4a4bc2e9 LC |
4921 | /* |
4922 | * so calling module_put function to decrement the | |
4923 | * reference count. | |
4924 | **/ | |
4925 | module_put(qla4xxx_iscsi_transport.owner); | |
4926 | sess = cls_sess->dd_data; | |
4927 | ddb_entry = sess->dd_data; | |
4928 | ddb_entry->sess = cls_sess; | |
4929 | ||
4930 | cls_sess->recovery_tmo = ql4xsess_recovery_tmo; | |
4931 | memcpy(&ddb_entry->fw_ddb_entry, fw_ddb_entry, | |
4932 | sizeof(struct dev_db_entry)); | |
4933 | ||
1dc8ed5d | 4934 | qla4xxx_setup_flash_ddb_entry(ha, ddb_entry, idx); |
4a4bc2e9 LC |
4935 | |
4936 | cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn), conn_id); | |
4937 | ||
4938 | if (!cls_conn) { | |
4939 | ret = QLA_ERROR; | |
4940 | goto exit_setup; | |
13483730 MC |
4941 | } |
4942 | ||
4a4bc2e9 | 4943 | ddb_entry->conn = cls_conn; |
13483730 | 4944 | |
4a4bc2e9 LC |
4945 | /* Setup ep, for displaying attributes in sysfs */ |
4946 | ep = qla4xxx_get_ep_fwdb(ha, fw_ddb_entry); | |
4947 | if (ep) { | |
4948 | ep->conn = cls_conn; | |
4949 | cls_conn->ep = ep; | |
4950 | } else { | |
4951 | DEBUG2(ql4_printk(KERN_ERR, ha, "Unable to get ep\n")); | |
4952 | ret = QLA_ERROR; | |
4953 | goto exit_setup; | |
4954 | } | |
13483730 | 4955 | |
4a4bc2e9 LC |
4956 | /* Update sess/conn params */ |
4957 | qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn); | |
13483730 | 4958 | |
4a4bc2e9 LC |
4959 | if (is_reset == RESET_ADAPTER) { |
4960 | iscsi_block_session(cls_sess); | |
4961 | /* Use the relogin path to discover new devices | |
4962 | * by short-circuting the logic of setting | |
4963 | * timer to relogin - instead set the flags | |
4964 | * to initiate login right away. | |
4965 | */ | |
4966 | set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); | |
4967 | set_bit(DF_RELOGIN, &ddb_entry->flags); | |
4968 | } | |
4969 | ||
4970 | exit_setup: | |
4971 | return ret; | |
4972 | } | |
4973 | ||
4974 | static void qla4xxx_build_nt_list(struct scsi_qla_host *ha, | |
4975 | struct list_head *list_nt, int is_reset) | |
4976 | { | |
4977 | struct dev_db_entry *fw_ddb_entry; | |
4978 | dma_addr_t fw_ddb_dma; | |
4979 | int max_ddbs; | |
4980 | int fw_idx_size; | |
4981 | int ret; | |
4982 | uint32_t idx = 0, next_idx = 0; | |
4983 | uint32_t state = 0, conn_err = 0; | |
4984 | uint16_t conn_id = 0; | |
4985 | struct qla_ddb_index *nt_ddb_idx; | |
4986 | ||
4987 | fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, | |
4988 | &fw_ddb_dma); | |
4989 | if (fw_ddb_entry == NULL) { | |
4990 | DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); | |
4991 | goto exit_nt_list; | |
13483730 | 4992 | } |
4a4bc2e9 LC |
4993 | max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : |
4994 | MAX_DEV_DB_ENTRIES; | |
4995 | fw_idx_size = sizeof(struct qla_ddb_index); | |
13483730 MC |
4996 | |
4997 | for (idx = 0; idx < max_ddbs; idx = next_idx) { | |
4a4bc2e9 LC |
4998 | ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, |
4999 | NULL, &next_idx, &state, | |
5000 | &conn_err, NULL, &conn_id); | |
13483730 MC |
5001 | if (ret == QLA_ERROR) |
5002 | break; | |
5003 | ||
5004 | if (qla4xxx_verify_boot_idx(ha, idx) != QLA_SUCCESS) | |
5005 | goto continue_next_nt; | |
5006 | ||
5007 | /* Check if NT, then add to list it */ | |
5008 | if (strlen((char *) fw_ddb_entry->iscsi_name) == 0) | |
5009 | goto continue_next_nt; | |
5010 | ||
4a4bc2e9 LC |
5011 | if (!(state == DDB_DS_NO_CONNECTION_ACTIVE || |
5012 | state == DDB_DS_SESSION_FAILED)) | |
5013 | goto continue_next_nt; | |
13483730 | 5014 | |
4a4bc2e9 LC |
5015 | DEBUG2(ql4_printk(KERN_INFO, ha, |
5016 | "Adding DDB to session = 0x%x\n", idx)); | |
5017 | if (is_reset == INIT_ADAPTER) { | |
5018 | nt_ddb_idx = vmalloc(fw_idx_size); | |
5019 | if (!nt_ddb_idx) | |
5020 | break; | |
13483730 | 5021 | |
4a4bc2e9 | 5022 | nt_ddb_idx->fw_ddb_idx = idx; |
13483730 | 5023 | |
1cb78d73 VC |
5024 | /* Copy original isid as it may get updated in function |
5025 | * qla4xxx_update_isid(). We need original isid in | |
5026 | * function qla4xxx_compare_tuple_ddb to find duplicate | |
5027 | * target */ | |
5028 | memcpy(&nt_ddb_idx->flash_isid[0], | |
5029 | &fw_ddb_entry->isid[0], | |
5030 | sizeof(nt_ddb_idx->flash_isid)); | |
5031 | ||
5032 | ret = qla4xxx_is_flash_ddb_exists(ha, list_nt, | |
5033 | fw_ddb_entry); | |
5034 | if (ret == QLA_SUCCESS) { | |
5035 | /* free nt_ddb_idx and do not add to list_nt */ | |
4a4bc2e9 LC |
5036 | vfree(nt_ddb_idx); |
5037 | goto continue_next_nt; | |
13483730 | 5038 | } |
1cb78d73 VC |
5039 | |
5040 | /* Copy updated isid */ | |
5041 | memcpy(&nt_ddb_idx->fw_ddb, fw_ddb_entry, | |
5042 | sizeof(struct dev_db_entry)); | |
5043 | ||
4a4bc2e9 LC |
5044 | list_add_tail(&nt_ddb_idx->list, list_nt); |
5045 | } else if (is_reset == RESET_ADAPTER) { | |
5046 | if (qla4xxx_is_session_exists(ha, fw_ddb_entry) == | |
5047 | QLA_SUCCESS) | |
5048 | goto continue_next_nt; | |
13483730 | 5049 | } |
4a4bc2e9 | 5050 | |
1dc8ed5d | 5051 | ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, is_reset, idx); |
4a4bc2e9 LC |
5052 | if (ret == QLA_ERROR) |
5053 | goto exit_nt_list; | |
5054 | ||
13483730 MC |
5055 | continue_next_nt: |
5056 | if (next_idx == 0) | |
5057 | break; | |
5058 | } | |
4a4bc2e9 LC |
5059 | |
5060 | exit_nt_list: | |
13483730 MC |
5061 | if (fw_ddb_entry) |
5062 | dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); | |
4a4bc2e9 LC |
5063 | } |
5064 | ||
5065 | /** | |
5066 | * qla4xxx_build_ddb_list - Build ddb list and setup sessions | |
5067 | * @ha: pointer to adapter structure | |
5068 | * @is_reset: Is this init path or reset path | |
5069 | * | |
5070 | * Create a list of sendtargets (st) from firmware DDBs, issue send targets | |
5071 | * using connection open, then create the list of normal targets (nt) | |
5072 | * from firmware DDBs. Based on the list of nt setup session and connection | |
5073 | * objects. | |
5074 | **/ | |
5075 | void qla4xxx_build_ddb_list(struct scsi_qla_host *ha, int is_reset) | |
5076 | { | |
5077 | uint16_t tmo = 0; | |
5078 | struct list_head list_st, list_nt; | |
5079 | struct qla_ddb_index *st_ddb_idx, *st_ddb_idx_tmp; | |
5080 | unsigned long wtime; | |
5081 | ||
5082 | if (!test_bit(AF_LINK_UP, &ha->flags)) { | |
5083 | set_bit(AF_BUILD_DDB_LIST, &ha->flags); | |
5084 | ha->is_reset = is_reset; | |
5085 | return; | |
5086 | } | |
5087 | ||
5088 | INIT_LIST_HEAD(&list_st); | |
5089 | INIT_LIST_HEAD(&list_nt); | |
5090 | ||
5091 | qla4xxx_build_st_list(ha, &list_st); | |
5092 | ||
5093 | /* Before issuing conn open mbox, ensure all IPs states are configured | |
5094 | * Note, conn open fails if IPs are not configured | |
5095 | */ | |
5096 | qla4xxx_wait_for_ip_configuration(ha); | |
5097 | ||
5098 | /* Go thru the STs and fire the sendtargets by issuing conn open mbx */ | |
5099 | list_for_each_entry_safe(st_ddb_idx, st_ddb_idx_tmp, &list_st, list) { | |
5100 | qla4xxx_conn_open(ha, st_ddb_idx->fw_ddb_idx); | |
5101 | } | |
5102 | ||
5103 | /* Wait to ensure all sendtargets are done for min 12 sec wait */ | |
c28eaaca NJ |
5104 | tmo = ((ha->def_timeout > LOGIN_TOV) && |
5105 | (ha->def_timeout < LOGIN_TOV * 10) ? | |
5106 | ha->def_timeout : LOGIN_TOV); | |
5107 | ||
4a4bc2e9 LC |
5108 | DEBUG2(ql4_printk(KERN_INFO, ha, |
5109 | "Default time to wait for build ddb %d\n", tmo)); | |
5110 | ||
5111 | wtime = jiffies + (HZ * tmo); | |
5112 | do { | |
f1f2e60e NJ |
5113 | if (list_empty(&list_st)) |
5114 | break; | |
5115 | ||
4a4bc2e9 LC |
5116 | qla4xxx_remove_failed_ddb(ha, &list_st); |
5117 | schedule_timeout_uninterruptible(HZ / 10); | |
5118 | } while (time_after(wtime, jiffies)); | |
5119 | ||
5120 | /* Free up the sendtargets list */ | |
5121 | qla4xxx_free_ddb_list(&list_st); | |
5122 | ||
5123 | qla4xxx_build_nt_list(ha, &list_nt, is_reset); | |
5124 | ||
5125 | qla4xxx_free_ddb_list(&list_nt); | |
13483730 MC |
5126 | |
5127 | qla4xxx_free_ddb_index(ha); | |
5128 | } | |
5129 | ||
1dc8ed5d MR |
5130 | /** |
5131 | * qla4xxx_wait_login_resp_boot_tgt - Wait for iSCSI boot target login | |
5132 | * response. | |
5133 | * @ha: pointer to adapter structure | |
5134 | * | |
5135 | * When the boot entry is normal iSCSI target then DF_BOOT_TGT flag will be | |
5136 | * set in DDB and we will wait for login response of boot targets during | |
5137 | * probe. | |
5138 | **/ | |
5139 | static void qla4xxx_wait_login_resp_boot_tgt(struct scsi_qla_host *ha) | |
5140 | { | |
5141 | struct ddb_entry *ddb_entry; | |
5142 | struct dev_db_entry *fw_ddb_entry = NULL; | |
5143 | dma_addr_t fw_ddb_entry_dma; | |
5144 | unsigned long wtime; | |
5145 | uint32_t ddb_state; | |
5146 | int max_ddbs, idx, ret; | |
5147 | ||
5148 | max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : | |
5149 | MAX_DEV_DB_ENTRIES; | |
5150 | ||
5151 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
5152 | &fw_ddb_entry_dma, GFP_KERNEL); | |
5153 | if (!fw_ddb_entry) { | |
5154 | ql4_printk(KERN_ERR, ha, | |
5155 | "%s: Unable to allocate dma buffer\n", __func__); | |
5156 | goto exit_login_resp; | |
5157 | } | |
5158 | ||
5159 | wtime = jiffies + (HZ * BOOT_LOGIN_RESP_TOV); | |
5160 | ||
5161 | for (idx = 0; idx < max_ddbs; idx++) { | |
5162 | ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); | |
5163 | if (ddb_entry == NULL) | |
5164 | continue; | |
5165 | ||
5166 | if (test_bit(DF_BOOT_TGT, &ddb_entry->flags)) { | |
5167 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
5168 | "%s: DDB index [%d]\n", __func__, | |
5169 | ddb_entry->fw_ddb_index)); | |
5170 | do { | |
5171 | ret = qla4xxx_get_fwddb_entry(ha, | |
5172 | ddb_entry->fw_ddb_index, | |
5173 | fw_ddb_entry, fw_ddb_entry_dma, | |
5174 | NULL, NULL, &ddb_state, NULL, | |
5175 | NULL, NULL); | |
5176 | if (ret == QLA_ERROR) | |
5177 | goto exit_login_resp; | |
5178 | ||
5179 | if ((ddb_state == DDB_DS_SESSION_ACTIVE) || | |
5180 | (ddb_state == DDB_DS_SESSION_FAILED)) | |
5181 | break; | |
5182 | ||
5183 | schedule_timeout_uninterruptible(HZ); | |
5184 | ||
5185 | } while ((time_after(wtime, jiffies))); | |
5186 | ||
5187 | if (!time_after(wtime, jiffies)) { | |
5188 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
5189 | "%s: Login response wait timer expired\n", | |
5190 | __func__)); | |
5191 | goto exit_login_resp; | |
5192 | } | |
5193 | } | |
5194 | } | |
5195 | ||
5196 | exit_login_resp: | |
5197 | if (fw_ddb_entry) | |
5198 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
5199 | fw_ddb_entry, fw_ddb_entry_dma); | |
5200 | } | |
5201 | ||
afaf5a2d DS |
5202 | /** |
5203 | * qla4xxx_probe_adapter - callback function to probe HBA | |
5204 | * @pdev: pointer to pci_dev structure | |
5205 | * @pci_device_id: pointer to pci_device entry | |
5206 | * | |
5207 | * This routine will probe for Qlogic 4xxx iSCSI host adapters. | |
5208 | * It returns zero if successful. It also initializes all data necessary for | |
5209 | * the driver. | |
5210 | **/ | |
6f039790 GKH |
5211 | static int qla4xxx_probe_adapter(struct pci_dev *pdev, |
5212 | const struct pci_device_id *ent) | |
afaf5a2d DS |
5213 | { |
5214 | int ret = -ENODEV, status; | |
5215 | struct Scsi_Host *host; | |
5216 | struct scsi_qla_host *ha; | |
afaf5a2d DS |
5217 | uint8_t init_retry_count = 0; |
5218 | char buf[34]; | |
f4f5df23 | 5219 | struct qla4_8xxx_legacy_intr_set *nx_legacy_intr; |
f9880e76 | 5220 | uint32_t dev_state; |
afaf5a2d DS |
5221 | |
5222 | if (pci_enable_device(pdev)) | |
5223 | return -1; | |
5224 | ||
b3a271a9 | 5225 | host = iscsi_host_alloc(&qla4xxx_driver_template, sizeof(*ha), 0); |
afaf5a2d DS |
5226 | if (host == NULL) { |
5227 | printk(KERN_WARNING | |
5228 | "qla4xxx: Couldn't allocate host from scsi layer!\n"); | |
5229 | goto probe_disable_device; | |
5230 | } | |
5231 | ||
5232 | /* Clear our data area */ | |
b3a271a9 | 5233 | ha = to_qla_host(host); |
afaf5a2d DS |
5234 | memset(ha, 0, sizeof(*ha)); |
5235 | ||
5236 | /* Save the information from PCI BIOS. */ | |
5237 | ha->pdev = pdev; | |
5238 | ha->host = host; | |
5239 | ha->host_no = host->host_no; | |
6e7b4292 | 5240 | ha->func_num = PCI_FUNC(ha->pdev->devfn); |
afaf5a2d | 5241 | |
2232be0d LC |
5242 | pci_enable_pcie_error_reporting(pdev); |
5243 | ||
f4f5df23 VC |
5244 | /* Setup Runtime configurable options */ |
5245 | if (is_qla8022(ha)) { | |
7664a1fd | 5246 | ha->isp_ops = &qla4_82xx_isp_ops; |
33693c7a | 5247 | ha->reg_tbl = (uint32_t *) qla4_82xx_reg_tbl; |
f4f5df23 VC |
5248 | ha->qdr_sn_window = -1; |
5249 | ha->ddr_mn_window = -1; | |
5250 | ha->curr_window = 255; | |
f4f5df23 VC |
5251 | nx_legacy_intr = &legacy_intr[ha->func_num]; |
5252 | ha->nx_legacy_intr.int_vec_bit = nx_legacy_intr->int_vec_bit; | |
5253 | ha->nx_legacy_intr.tgt_status_reg = | |
5254 | nx_legacy_intr->tgt_status_reg; | |
5255 | ha->nx_legacy_intr.tgt_mask_reg = nx_legacy_intr->tgt_mask_reg; | |
5256 | ha->nx_legacy_intr.pci_int_reg = nx_legacy_intr->pci_int_reg; | |
6e7b4292 VC |
5257 | } else if (is_qla8032(ha)) { |
5258 | ha->isp_ops = &qla4_83xx_isp_ops; | |
5259 | ha->reg_tbl = (uint32_t *)qla4_83xx_reg_tbl; | |
f4f5df23 VC |
5260 | } else { |
5261 | ha->isp_ops = &qla4xxx_isp_ops; | |
5262 | } | |
5263 | ||
6e7b4292 VC |
5264 | if (is_qla80XX(ha)) { |
5265 | rwlock_init(&ha->hw_lock); | |
5266 | ha->pf_bit = ha->func_num << 16; | |
5267 | /* Set EEH reset type to fundamental if required by hba */ | |
2232be0d | 5268 | pdev->needs_freset = 1; |
6e7b4292 | 5269 | } |
2232be0d | 5270 | |
afaf5a2d | 5271 | /* Configure PCI I/O space. */ |
f4f5df23 | 5272 | ret = ha->isp_ops->iospace_config(ha); |
afaf5a2d | 5273 | if (ret) |
f4f5df23 | 5274 | goto probe_failed_ioconfig; |
afaf5a2d | 5275 | |
c2660df3 | 5276 | ql4_printk(KERN_INFO, ha, "Found an ISP%04x, irq %d, iobase 0x%p\n", |
afaf5a2d DS |
5277 | pdev->device, pdev->irq, ha->reg); |
5278 | ||
5279 | qla4xxx_config_dma_addressing(ha); | |
5280 | ||
5281 | /* Initialize lists and spinlocks. */ | |
afaf5a2d DS |
5282 | INIT_LIST_HEAD(&ha->free_srb_q); |
5283 | ||
5284 | mutex_init(&ha->mbox_sem); | |
4549415a | 5285 | mutex_init(&ha->chap_sem); |
f4f5df23 | 5286 | init_completion(&ha->mbx_intr_comp); |
95d31262 | 5287 | init_completion(&ha->disable_acb_comp); |
afaf5a2d DS |
5288 | |
5289 | spin_lock_init(&ha->hardware_lock); | |
8e9157c8 | 5290 | spin_lock_init(&ha->work_lock); |
afaf5a2d | 5291 | |
ff884430 VC |
5292 | /* Initialize work list */ |
5293 | INIT_LIST_HEAD(&ha->work_list); | |
5294 | ||
afaf5a2d DS |
5295 | /* Allocate dma buffers */ |
5296 | if (qla4xxx_mem_alloc(ha)) { | |
c2660df3 VC |
5297 | ql4_printk(KERN_WARNING, ha, |
5298 | "[ERROR] Failed to allocate memory for adapter\n"); | |
afaf5a2d DS |
5299 | |
5300 | ret = -ENOMEM; | |
5301 | goto probe_failed; | |
5302 | } | |
5303 | ||
b3a271a9 MR |
5304 | host->cmd_per_lun = 3; |
5305 | host->max_channel = 0; | |
5306 | host->max_lun = MAX_LUNS - 1; | |
5307 | host->max_id = MAX_TARGETS; | |
5308 | host->max_cmd_len = IOCB_MAX_CDB_LEN; | |
5309 | host->can_queue = MAX_SRBS ; | |
5310 | host->transportt = qla4xxx_scsi_transport; | |
5311 | ||
5312 | ret = scsi_init_shared_tag_map(host, MAX_SRBS); | |
5313 | if (ret) { | |
5314 | ql4_printk(KERN_WARNING, ha, | |
5315 | "%s: scsi_init_shared_tag_map failed\n", __func__); | |
5316 | goto probe_failed; | |
5317 | } | |
5318 | ||
5319 | pci_set_drvdata(pdev, ha); | |
5320 | ||
5321 | ret = scsi_add_host(host, &pdev->dev); | |
5322 | if (ret) | |
5323 | goto probe_failed; | |
5324 | ||
6e7b4292 VC |
5325 | if (is_qla80XX(ha)) |
5326 | qla4_8xxx_get_flash_info(ha); | |
5327 | ||
5328 | if (is_qla8032(ha)) { | |
5329 | qla4_83xx_read_reset_template(ha); | |
5330 | /* | |
5331 | * NOTE: If ql4dontresethba==1, set IDC_CTRL DONTRESET_BIT0. | |
5332 | * If DONRESET_BIT0 is set, drivers should not set dev_state | |
5333 | * to NEED_RESET. But if NEED_RESET is set, drivers should | |
5334 | * should honor the reset. | |
5335 | */ | |
5336 | if (ql4xdontresethba == 1) | |
5337 | qla4_83xx_set_idc_dontreset(ha); | |
5338 | } | |
f4f5df23 | 5339 | |
afaf5a2d DS |
5340 | /* |
5341 | * Initialize the Host adapter request/response queues and | |
5342 | * firmware | |
5343 | * NOTE: interrupts enabled upon successful completion | |
5344 | */ | |
13483730 | 5345 | status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER); |
7977f825 PV |
5346 | |
5347 | /* Dont retry adapter initialization if IRQ allocation failed */ | |
5348 | if (!test_bit(AF_IRQ_ATTACHED, &ha->flags)) | |
5349 | goto skip_retry_init; | |
5350 | ||
f4f5df23 VC |
5351 | while ((!test_bit(AF_ONLINE, &ha->flags)) && |
5352 | init_retry_count++ < MAX_INIT_RETRIES) { | |
f9880e76 | 5353 | |
6e7b4292 | 5354 | if (is_qla80XX(ha)) { |
33693c7a VC |
5355 | ha->isp_ops->idc_lock(ha); |
5356 | dev_state = qla4_8xxx_rd_direct(ha, | |
e951aca1 | 5357 | QLA8XXX_CRB_DEV_STATE); |
33693c7a | 5358 | ha->isp_ops->idc_unlock(ha); |
de8c72da | 5359 | if (dev_state == QLA8XXX_DEV_FAILED) { |
f9880e76 PM |
5360 | ql4_printk(KERN_WARNING, ha, "%s: don't retry " |
5361 | "initialize adapter. H/W is in failed state\n", | |
5362 | __func__); | |
5363 | break; | |
5364 | } | |
5365 | } | |
afaf5a2d DS |
5366 | DEBUG2(printk("scsi: %s: retrying adapter initialization " |
5367 | "(%d)\n", __func__, init_retry_count)); | |
f4f5df23 VC |
5368 | |
5369 | if (ha->isp_ops->reset_chip(ha) == QLA_ERROR) | |
5370 | continue; | |
5371 | ||
13483730 | 5372 | status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER); |
afaf5a2d | 5373 | } |
f4f5df23 | 5374 | |
7977f825 | 5375 | skip_retry_init: |
f4f5df23 | 5376 | if (!test_bit(AF_ONLINE, &ha->flags)) { |
c2660df3 | 5377 | ql4_printk(KERN_WARNING, ha, "Failed to initialize adapter\n"); |
afaf5a2d | 5378 | |
6e7b4292 VC |
5379 | if ((is_qla8022(ha) && ql4xdontresethba) || |
5380 | (is_qla8032(ha) && qla4_83xx_idc_dontreset(ha))) { | |
fe998527 LC |
5381 | /* Put the device in failed state. */ |
5382 | DEBUG2(printk(KERN_ERR "HW STATE: FAILED\n")); | |
33693c7a VC |
5383 | ha->isp_ops->idc_lock(ha); |
5384 | qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, | |
5385 | QLA8XXX_DEV_FAILED); | |
5386 | ha->isp_ops->idc_unlock(ha); | |
fe998527 | 5387 | } |
afaf5a2d | 5388 | ret = -ENODEV; |
b3a271a9 | 5389 | goto remove_host; |
afaf5a2d DS |
5390 | } |
5391 | ||
afaf5a2d DS |
5392 | /* Startup the kernel thread for this host adapter. */ |
5393 | DEBUG2(printk("scsi: %s: Starting kernel thread for " | |
5394 | "qla4xxx_dpc\n", __func__)); | |
5395 | sprintf(buf, "qla4xxx_%lu_dpc", ha->host_no); | |
5396 | ha->dpc_thread = create_singlethread_workqueue(buf); | |
5397 | if (!ha->dpc_thread) { | |
c2660df3 | 5398 | ql4_printk(KERN_WARNING, ha, "Unable to start DPC thread!\n"); |
afaf5a2d | 5399 | ret = -ENODEV; |
b3a271a9 | 5400 | goto remove_host; |
afaf5a2d | 5401 | } |
c4028958 | 5402 | INIT_WORK(&ha->dpc_work, qla4xxx_do_dpc); |
afaf5a2d | 5403 | |
b3a271a9 MR |
5404 | sprintf(buf, "qla4xxx_%lu_task", ha->host_no); |
5405 | ha->task_wq = alloc_workqueue(buf, WQ_MEM_RECLAIM, 1); | |
5406 | if (!ha->task_wq) { | |
5407 | ql4_printk(KERN_WARNING, ha, "Unable to start task thread!\n"); | |
5408 | ret = -ENODEV; | |
5409 | goto remove_host; | |
5410 | } | |
5411 | ||
6e7b4292 VC |
5412 | /* |
5413 | * For ISP-8XXX, request_irqs is called in qla4_8xxx_load_risc | |
f4f5df23 VC |
5414 | * (which is called indirectly by qla4xxx_initialize_adapter), |
5415 | * so that irqs will be registered after crbinit but before | |
5416 | * mbx_intr_enable. | |
5417 | */ | |
ee996a69 | 5418 | if (is_qla40XX(ha)) { |
f4f5df23 VC |
5419 | ret = qla4xxx_request_irqs(ha); |
5420 | if (ret) { | |
5421 | ql4_printk(KERN_WARNING, ha, "Failed to reserve " | |
5422 | "interrupt %d already in use.\n", pdev->irq); | |
b3a271a9 | 5423 | goto remove_host; |
f4f5df23 | 5424 | } |
afaf5a2d | 5425 | } |
afaf5a2d | 5426 | |
2232be0d | 5427 | pci_save_state(ha->pdev); |
f4f5df23 | 5428 | ha->isp_ops->enable_intrs(ha); |
afaf5a2d DS |
5429 | |
5430 | /* Start timer thread. */ | |
5431 | qla4xxx_start_timer(ha, qla4xxx_timer, 1); | |
5432 | ||
5433 | set_bit(AF_INIT_DONE, &ha->flags); | |
5434 | ||
068237c8 TP |
5435 | qla4_8xxx_alloc_sysfs_attr(ha); |
5436 | ||
afaf5a2d DS |
5437 | printk(KERN_INFO |
5438 | " QLogic iSCSI HBA Driver version: %s\n" | |
5439 | " QLogic ISP%04x @ %s, host#=%ld, fw=%02d.%02d.%02d.%02d\n", | |
5440 | qla4xxx_version_str, ha->pdev->device, pci_name(ha->pdev), | |
5441 | ha->host_no, ha->firmware_version[0], ha->firmware_version[1], | |
5442 | ha->patch_number, ha->build_number); | |
ed1086e0 | 5443 | |
cfb27874 MD |
5444 | /* Set the driver version */ |
5445 | if (is_qla80XX(ha)) | |
5446 | qla4_8xxx_set_param(ha, SET_DRVR_VERSION); | |
5447 | ||
2a991c21 | 5448 | if (qla4xxx_setup_boot_info(ha)) |
3573bfb2 VC |
5449 | ql4_printk(KERN_ERR, ha, |
5450 | "%s: No iSCSI boot target configured\n", __func__); | |
2a991c21 | 5451 | |
13483730 MC |
5452 | /* Perform the build ddb list and login to each */ |
5453 | qla4xxx_build_ddb_list(ha, INIT_ADAPTER); | |
5454 | iscsi_host_for_each_session(ha->host, qla4xxx_login_flash_ddb); | |
1dc8ed5d | 5455 | qla4xxx_wait_login_resp_boot_tgt(ha); |
13483730 MC |
5456 | |
5457 | qla4xxx_create_chap_list(ha); | |
5458 | ||
ed1086e0 | 5459 | qla4xxx_create_ifaces(ha); |
afaf5a2d DS |
5460 | return 0; |
5461 | ||
b3a271a9 MR |
5462 | remove_host: |
5463 | scsi_remove_host(ha->host); | |
5464 | ||
afaf5a2d DS |
5465 | probe_failed: |
5466 | qla4xxx_free_adapter(ha); | |
f4f5df23 VC |
5467 | |
5468 | probe_failed_ioconfig: | |
2232be0d | 5469 | pci_disable_pcie_error_reporting(pdev); |
afaf5a2d DS |
5470 | scsi_host_put(ha->host); |
5471 | ||
5472 | probe_disable_device: | |
5473 | pci_disable_device(pdev); | |
5474 | ||
5475 | return ret; | |
5476 | } | |
5477 | ||
7eece5a0 KH |
5478 | /** |
5479 | * qla4xxx_prevent_other_port_reinit - prevent other port from re-initialize | |
5480 | * @ha: pointer to adapter structure | |
5481 | * | |
5482 | * Mark the other ISP-4xxx port to indicate that the driver is being removed, | |
5483 | * so that the other port will not re-initialize while in the process of | |
5484 | * removing the ha due to driver unload or hba hotplug. | |
5485 | **/ | |
5486 | static void qla4xxx_prevent_other_port_reinit(struct scsi_qla_host *ha) | |
5487 | { | |
5488 | struct scsi_qla_host *other_ha = NULL; | |
5489 | struct pci_dev *other_pdev = NULL; | |
5490 | int fn = ISP4XXX_PCI_FN_2; | |
5491 | ||
5492 | /*iscsi function numbers for ISP4xxx is 1 and 3*/ | |
5493 | if (PCI_FUNC(ha->pdev->devfn) & BIT_1) | |
5494 | fn = ISP4XXX_PCI_FN_1; | |
5495 | ||
5496 | other_pdev = | |
5497 | pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus), | |
5498 | ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn), | |
5499 | fn)); | |
5500 | ||
5501 | /* Get other_ha if other_pdev is valid and state is enable*/ | |
5502 | if (other_pdev) { | |
5503 | if (atomic_read(&other_pdev->enable_cnt)) { | |
5504 | other_ha = pci_get_drvdata(other_pdev); | |
5505 | if (other_ha) { | |
5506 | set_bit(AF_HA_REMOVAL, &other_ha->flags); | |
5507 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: " | |
5508 | "Prevent %s reinit\n", __func__, | |
5509 | dev_name(&other_ha->pdev->dev))); | |
5510 | } | |
5511 | } | |
5512 | pci_dev_put(other_pdev); | |
5513 | } | |
5514 | } | |
5515 | ||
13483730 MC |
5516 | static void qla4xxx_destroy_fw_ddb_session(struct scsi_qla_host *ha) |
5517 | { | |
5518 | struct ddb_entry *ddb_entry; | |
5519 | int options; | |
5520 | int idx; | |
5521 | ||
5522 | for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { | |
5523 | ||
5524 | ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); | |
5525 | if ((ddb_entry != NULL) && | |
5526 | (ddb_entry->ddb_type == FLASH_DDB)) { | |
5527 | ||
5528 | options = LOGOUT_OPTION_CLOSE_SESSION; | |
5529 | if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) | |
5530 | == QLA_ERROR) | |
5531 | ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", | |
5532 | __func__); | |
5533 | ||
5534 | qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); | |
5535 | /* | |
5536 | * we have decremented the reference count of the driver | |
5537 | * when we setup the session to have the driver unload | |
5538 | * to be seamless without actually destroying the | |
5539 | * session | |
5540 | **/ | |
5541 | try_module_get(qla4xxx_iscsi_transport.owner); | |
5542 | iscsi_destroy_endpoint(ddb_entry->conn->ep); | |
5543 | qla4xxx_free_ddb(ha, ddb_entry); | |
5544 | iscsi_session_teardown(ddb_entry->sess); | |
5545 | } | |
5546 | } | |
5547 | } | |
afaf5a2d | 5548 | /** |
59e13d48 | 5549 | * qla4xxx_remove_adapter - callback function to remove adapter. |
afaf5a2d DS |
5550 | * @pci_dev: PCI device pointer |
5551 | **/ | |
6f039790 | 5552 | static void qla4xxx_remove_adapter(struct pci_dev *pdev) |
afaf5a2d DS |
5553 | { |
5554 | struct scsi_qla_host *ha; | |
5555 | ||
f8b0751d VC |
5556 | /* |
5557 | * If the PCI device is disabled then it means probe_adapter had | |
5558 | * failed and resources already cleaned up on probe_adapter exit. | |
5559 | */ | |
5560 | if (!pci_is_enabled(pdev)) | |
5561 | return; | |
5562 | ||
afaf5a2d DS |
5563 | ha = pci_get_drvdata(pdev); |
5564 | ||
ee996a69 | 5565 | if (is_qla40XX(ha)) |
7eece5a0 | 5566 | qla4xxx_prevent_other_port_reinit(ha); |
bee4fe8e | 5567 | |
ed1086e0 VC |
5568 | /* destroy iface from sysfs */ |
5569 | qla4xxx_destroy_ifaces(ha); | |
5570 | ||
13483730 | 5571 | if ((!ql4xdisablesysfsboot) && ha->boot_kset) |
2a991c21 MR |
5572 | iscsi_boot_destroy_kset(ha->boot_kset); |
5573 | ||
13483730 | 5574 | qla4xxx_destroy_fw_ddb_session(ha); |
068237c8 | 5575 | qla4_8xxx_free_sysfs_attr(ha); |
13483730 | 5576 | |
afaf5a2d DS |
5577 | scsi_remove_host(ha->host); |
5578 | ||
5579 | qla4xxx_free_adapter(ha); | |
5580 | ||
5581 | scsi_host_put(ha->host); | |
5582 | ||
2232be0d | 5583 | pci_disable_pcie_error_reporting(pdev); |
f4f5df23 | 5584 | pci_disable_device(pdev); |
afaf5a2d DS |
5585 | pci_set_drvdata(pdev, NULL); |
5586 | } | |
5587 | ||
5588 | /** | |
5589 | * qla4xxx_config_dma_addressing() - Configure OS DMA addressing method. | |
5590 | * @ha: HA context | |
5591 | * | |
5592 | * At exit, the @ha's flags.enable_64bit_addressing set to indicated | |
5593 | * supported addressing method. | |
5594 | */ | |
47975477 | 5595 | static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha) |
afaf5a2d DS |
5596 | { |
5597 | int retval; | |
5598 | ||
5599 | /* Update our PCI device dma_mask for full 64 bit mask */ | |
6a35528a YH |
5600 | if (pci_set_dma_mask(ha->pdev, DMA_BIT_MASK(64)) == 0) { |
5601 | if (pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) { | |
afaf5a2d DS |
5602 | dev_dbg(&ha->pdev->dev, |
5603 | "Failed to set 64 bit PCI consistent mask; " | |
5604 | "using 32 bit.\n"); | |
5605 | retval = pci_set_consistent_dma_mask(ha->pdev, | |
284901a9 | 5606 | DMA_BIT_MASK(32)); |
afaf5a2d DS |
5607 | } |
5608 | } else | |
284901a9 | 5609 | retval = pci_set_dma_mask(ha->pdev, DMA_BIT_MASK(32)); |
afaf5a2d DS |
5610 | } |
5611 | ||
5612 | static int qla4xxx_slave_alloc(struct scsi_device *sdev) | |
5613 | { | |
b3a271a9 MR |
5614 | struct iscsi_cls_session *cls_sess; |
5615 | struct iscsi_session *sess; | |
5616 | struct ddb_entry *ddb; | |
8bb4033d | 5617 | int queue_depth = QL4_DEF_QDEPTH; |
afaf5a2d | 5618 | |
b3a271a9 MR |
5619 | cls_sess = starget_to_session(sdev->sdev_target); |
5620 | sess = cls_sess->dd_data; | |
5621 | ddb = sess->dd_data; | |
5622 | ||
afaf5a2d DS |
5623 | sdev->hostdata = ddb; |
5624 | sdev->tagged_supported = 1; | |
8bb4033d VC |
5625 | |
5626 | if (ql4xmaxqdepth != 0 && ql4xmaxqdepth <= 0xffffU) | |
5627 | queue_depth = ql4xmaxqdepth; | |
5628 | ||
5629 | scsi_activate_tcq(sdev, queue_depth); | |
afaf5a2d DS |
5630 | return 0; |
5631 | } | |
5632 | ||
5633 | static int qla4xxx_slave_configure(struct scsi_device *sdev) | |
5634 | { | |
5635 | sdev->tagged_supported = 1; | |
5636 | return 0; | |
5637 | } | |
5638 | ||
5639 | static void qla4xxx_slave_destroy(struct scsi_device *sdev) | |
5640 | { | |
5641 | scsi_deactivate_tcq(sdev, 1); | |
5642 | } | |
5643 | ||
f7b4aa63 TP |
5644 | static int qla4xxx_change_queue_depth(struct scsi_device *sdev, int qdepth, |
5645 | int reason) | |
5646 | { | |
5647 | if (!ql4xqfulltracking) | |
5648 | return -EOPNOTSUPP; | |
5649 | ||
5650 | return iscsi_change_queue_depth(sdev, qdepth, reason); | |
5651 | } | |
5652 | ||
afaf5a2d DS |
5653 | /** |
5654 | * qla4xxx_del_from_active_array - returns an active srb | |
5655 | * @ha: Pointer to host adapter structure. | |
fd589a8f | 5656 | * @index: index into the active_array |
afaf5a2d DS |
5657 | * |
5658 | * This routine removes and returns the srb at the specified index | |
5659 | **/ | |
f4f5df23 VC |
5660 | struct srb *qla4xxx_del_from_active_array(struct scsi_qla_host *ha, |
5661 | uint32_t index) | |
afaf5a2d DS |
5662 | { |
5663 | struct srb *srb = NULL; | |
5369887a | 5664 | struct scsi_cmnd *cmd = NULL; |
afaf5a2d | 5665 | |
5369887a VC |
5666 | cmd = scsi_host_find_tag(ha->host, index); |
5667 | if (!cmd) | |
afaf5a2d DS |
5668 | return srb; |
5669 | ||
5369887a VC |
5670 | srb = (struct srb *)CMD_SP(cmd); |
5671 | if (!srb) | |
afaf5a2d DS |
5672 | return srb; |
5673 | ||
5674 | /* update counters */ | |
5675 | if (srb->flags & SRB_DMA_VALID) { | |
afaf5a2d DS |
5676 | ha->iocb_cnt -= srb->iocb_cnt; |
5677 | if (srb->cmd) | |
5369887a VC |
5678 | srb->cmd->host_scribble = |
5679 | (unsigned char *)(unsigned long) MAX_SRBS; | |
afaf5a2d DS |
5680 | } |
5681 | return srb; | |
5682 | } | |
5683 | ||
afaf5a2d DS |
5684 | /** |
5685 | * qla4xxx_eh_wait_on_command - waits for command to be returned by firmware | |
09a0f719 | 5686 | * @ha: Pointer to host adapter structure. |
afaf5a2d DS |
5687 | * @cmd: Scsi Command to wait on. |
5688 | * | |
5689 | * This routine waits for the command to be returned by the Firmware | |
5690 | * for some max time. | |
5691 | **/ | |
5692 | static int qla4xxx_eh_wait_on_command(struct scsi_qla_host *ha, | |
5693 | struct scsi_cmnd *cmd) | |
5694 | { | |
5695 | int done = 0; | |
5696 | struct srb *rp; | |
5697 | uint32_t max_wait_time = EH_WAIT_CMD_TOV; | |
2232be0d LC |
5698 | int ret = SUCCESS; |
5699 | ||
5700 | /* Dont wait on command if PCI error is being handled | |
5701 | * by PCI AER driver | |
5702 | */ | |
5703 | if (unlikely(pci_channel_offline(ha->pdev)) || | |
5704 | (test_bit(AF_EEH_BUSY, &ha->flags))) { | |
5705 | ql4_printk(KERN_WARNING, ha, "scsi%ld: Return from %s\n", | |
5706 | ha->host_no, __func__); | |
5707 | return ret; | |
5708 | } | |
afaf5a2d DS |
5709 | |
5710 | do { | |
5711 | /* Checking to see if its returned to OS */ | |
5369887a | 5712 | rp = (struct srb *) CMD_SP(cmd); |
afaf5a2d DS |
5713 | if (rp == NULL) { |
5714 | done++; | |
5715 | break; | |
5716 | } | |
5717 | ||
5718 | msleep(2000); | |
5719 | } while (max_wait_time--); | |
5720 | ||
5721 | return done; | |
5722 | } | |
5723 | ||
5724 | /** | |
5725 | * qla4xxx_wait_for_hba_online - waits for HBA to come online | |
5726 | * @ha: Pointer to host adapter structure | |
5727 | **/ | |
5728 | static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha) | |
5729 | { | |
5730 | unsigned long wait_online; | |
5731 | ||
f581a3f7 | 5732 | wait_online = jiffies + (HBA_ONLINE_TOV * HZ); |
afaf5a2d DS |
5733 | while (time_before(jiffies, wait_online)) { |
5734 | ||
5735 | if (adapter_up(ha)) | |
5736 | return QLA_SUCCESS; | |
afaf5a2d DS |
5737 | |
5738 | msleep(2000); | |
5739 | } | |
5740 | ||
5741 | return QLA_ERROR; | |
5742 | } | |
5743 | ||
5744 | /** | |
ce545039 | 5745 | * qla4xxx_eh_wait_for_commands - wait for active cmds to finish. |
fd589a8f | 5746 | * @ha: pointer to HBA |
afaf5a2d DS |
5747 | * @t: target id |
5748 | * @l: lun id | |
5749 | * | |
5750 | * This function waits for all outstanding commands to a lun to complete. It | |
5751 | * returns 0 if all pending commands are returned and 1 otherwise. | |
5752 | **/ | |
ce545039 MC |
5753 | static int qla4xxx_eh_wait_for_commands(struct scsi_qla_host *ha, |
5754 | struct scsi_target *stgt, | |
5755 | struct scsi_device *sdev) | |
afaf5a2d DS |
5756 | { |
5757 | int cnt; | |
5758 | int status = 0; | |
5759 | struct scsi_cmnd *cmd; | |
5760 | ||
5761 | /* | |
ce545039 MC |
5762 | * Waiting for all commands for the designated target or dev |
5763 | * in the active array | |
afaf5a2d DS |
5764 | */ |
5765 | for (cnt = 0; cnt < ha->host->can_queue; cnt++) { | |
5766 | cmd = scsi_host_find_tag(ha->host, cnt); | |
ce545039 MC |
5767 | if (cmd && stgt == scsi_target(cmd->device) && |
5768 | (!sdev || sdev == cmd->device)) { | |
afaf5a2d DS |
5769 | if (!qla4xxx_eh_wait_on_command(ha, cmd)) { |
5770 | status++; | |
5771 | break; | |
5772 | } | |
5773 | } | |
5774 | } | |
5775 | return status; | |
5776 | } | |
5777 | ||
09a0f719 VC |
5778 | /** |
5779 | * qla4xxx_eh_abort - callback for abort task. | |
5780 | * @cmd: Pointer to Linux's SCSI command structure | |
5781 | * | |
5782 | * This routine is called by the Linux OS to abort the specified | |
5783 | * command. | |
5784 | **/ | |
5785 | static int qla4xxx_eh_abort(struct scsi_cmnd *cmd) | |
5786 | { | |
5787 | struct scsi_qla_host *ha = to_qla_host(cmd->device->host); | |
5788 | unsigned int id = cmd->device->id; | |
5789 | unsigned int lun = cmd->device->lun; | |
92b3e5bb | 5790 | unsigned long flags; |
09a0f719 VC |
5791 | struct srb *srb = NULL; |
5792 | int ret = SUCCESS; | |
5793 | int wait = 0; | |
5794 | ||
c2660df3 | 5795 | ql4_printk(KERN_INFO, ha, |
5cd049a5 CH |
5796 | "scsi%ld:%d:%d: Abort command issued cmd=%p\n", |
5797 | ha->host_no, id, lun, cmd); | |
09a0f719 | 5798 | |
92b3e5bb | 5799 | spin_lock_irqsave(&ha->hardware_lock, flags); |
09a0f719 | 5800 | srb = (struct srb *) CMD_SP(cmd); |
92b3e5bb MC |
5801 | if (!srb) { |
5802 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
09a0f719 | 5803 | return SUCCESS; |
92b3e5bb | 5804 | } |
09a0f719 | 5805 | kref_get(&srb->srb_ref); |
92b3e5bb | 5806 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
09a0f719 VC |
5807 | |
5808 | if (qla4xxx_abort_task(ha, srb) != QLA_SUCCESS) { | |
5809 | DEBUG3(printk("scsi%ld:%d:%d: Abort_task mbx failed.\n", | |
5810 | ha->host_no, id, lun)); | |
5811 | ret = FAILED; | |
5812 | } else { | |
5813 | DEBUG3(printk("scsi%ld:%d:%d: Abort_task mbx success.\n", | |
5814 | ha->host_no, id, lun)); | |
5815 | wait = 1; | |
5816 | } | |
5817 | ||
5818 | kref_put(&srb->srb_ref, qla4xxx_srb_compl); | |
5819 | ||
5820 | /* Wait for command to complete */ | |
5821 | if (wait) { | |
5822 | if (!qla4xxx_eh_wait_on_command(ha, cmd)) { | |
5823 | DEBUG2(printk("scsi%ld:%d:%d: Abort handler timed out\n", | |
5824 | ha->host_no, id, lun)); | |
5825 | ret = FAILED; | |
5826 | } | |
5827 | } | |
5828 | ||
c2660df3 | 5829 | ql4_printk(KERN_INFO, ha, |
09a0f719 | 5830 | "scsi%ld:%d:%d: Abort command - %s\n", |
25985edc | 5831 | ha->host_no, id, lun, (ret == SUCCESS) ? "succeeded" : "failed"); |
09a0f719 VC |
5832 | |
5833 | return ret; | |
5834 | } | |
5835 | ||
afaf5a2d DS |
5836 | /** |
5837 | * qla4xxx_eh_device_reset - callback for target reset. | |
5838 | * @cmd: Pointer to Linux's SCSI command structure | |
5839 | * | |
5840 | * This routine is called by the Linux OS to reset all luns on the | |
5841 | * specified target. | |
5842 | **/ | |
5843 | static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd) | |
5844 | { | |
5845 | struct scsi_qla_host *ha = to_qla_host(cmd->device->host); | |
5846 | struct ddb_entry *ddb_entry = cmd->device->hostdata; | |
afaf5a2d DS |
5847 | int ret = FAILED, stat; |
5848 | ||
612f7348 | 5849 | if (!ddb_entry) |
afaf5a2d DS |
5850 | return ret; |
5851 | ||
c01be6dc MC |
5852 | ret = iscsi_block_scsi_eh(cmd); |
5853 | if (ret) | |
5854 | return ret; | |
5855 | ret = FAILED; | |
5856 | ||
c2660df3 | 5857 | ql4_printk(KERN_INFO, ha, |
afaf5a2d DS |
5858 | "scsi%ld:%d:%d:%d: DEVICE RESET ISSUED.\n", ha->host_no, |
5859 | cmd->device->channel, cmd->device->id, cmd->device->lun); | |
5860 | ||
5861 | DEBUG2(printk(KERN_INFO | |
5862 | "scsi%ld: DEVICE_RESET cmd=%p jiffies = 0x%lx, to=%x," | |
5863 | "dpc_flags=%lx, status=%x allowed=%d\n", ha->host_no, | |
242f9dcb | 5864 | cmd, jiffies, cmd->request->timeout / HZ, |
afaf5a2d DS |
5865 | ha->dpc_flags, cmd->result, cmd->allowed)); |
5866 | ||
5867 | /* FIXME: wait for hba to go online */ | |
5868 | stat = qla4xxx_reset_lun(ha, ddb_entry, cmd->device->lun); | |
5869 | if (stat != QLA_SUCCESS) { | |
c2660df3 | 5870 | ql4_printk(KERN_INFO, ha, "DEVICE RESET FAILED. %d\n", stat); |
afaf5a2d DS |
5871 | goto eh_dev_reset_done; |
5872 | } | |
5873 | ||
ce545039 MC |
5874 | if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device), |
5875 | cmd->device)) { | |
c2660df3 | 5876 | ql4_printk(KERN_INFO, ha, |
ce545039 MC |
5877 | "DEVICE RESET FAILED - waiting for " |
5878 | "commands.\n"); | |
5879 | goto eh_dev_reset_done; | |
afaf5a2d DS |
5880 | } |
5881 | ||
9d562913 DS |
5882 | /* Send marker. */ |
5883 | if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun, | |
5884 | MM_LUN_RESET) != QLA_SUCCESS) | |
5885 | goto eh_dev_reset_done; | |
5886 | ||
c2660df3 | 5887 | ql4_printk(KERN_INFO, ha, |
afaf5a2d DS |
5888 | "scsi(%ld:%d:%d:%d): DEVICE RESET SUCCEEDED.\n", |
5889 | ha->host_no, cmd->device->channel, cmd->device->id, | |
5890 | cmd->device->lun); | |
5891 | ||
5892 | ret = SUCCESS; | |
5893 | ||
5894 | eh_dev_reset_done: | |
5895 | ||
5896 | return ret; | |
5897 | } | |
5898 | ||
ce545039 MC |
5899 | /** |
5900 | * qla4xxx_eh_target_reset - callback for target reset. | |
5901 | * @cmd: Pointer to Linux's SCSI command structure | |
5902 | * | |
5903 | * This routine is called by the Linux OS to reset the target. | |
5904 | **/ | |
5905 | static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd) | |
5906 | { | |
5907 | struct scsi_qla_host *ha = to_qla_host(cmd->device->host); | |
5908 | struct ddb_entry *ddb_entry = cmd->device->hostdata; | |
c01be6dc | 5909 | int stat, ret; |
ce545039 MC |
5910 | |
5911 | if (!ddb_entry) | |
5912 | return FAILED; | |
5913 | ||
c01be6dc MC |
5914 | ret = iscsi_block_scsi_eh(cmd); |
5915 | if (ret) | |
5916 | return ret; | |
5917 | ||
ce545039 MC |
5918 | starget_printk(KERN_INFO, scsi_target(cmd->device), |
5919 | "WARM TARGET RESET ISSUED.\n"); | |
5920 | ||
5921 | DEBUG2(printk(KERN_INFO | |
5922 | "scsi%ld: TARGET_DEVICE_RESET cmd=%p jiffies = 0x%lx, " | |
5923 | "to=%x,dpc_flags=%lx, status=%x allowed=%d\n", | |
242f9dcb | 5924 | ha->host_no, cmd, jiffies, cmd->request->timeout / HZ, |
ce545039 MC |
5925 | ha->dpc_flags, cmd->result, cmd->allowed)); |
5926 | ||
5927 | stat = qla4xxx_reset_target(ha, ddb_entry); | |
5928 | if (stat != QLA_SUCCESS) { | |
5929 | starget_printk(KERN_INFO, scsi_target(cmd->device), | |
5930 | "WARM TARGET RESET FAILED.\n"); | |
5931 | return FAILED; | |
5932 | } | |
5933 | ||
ce545039 MC |
5934 | if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device), |
5935 | NULL)) { | |
5936 | starget_printk(KERN_INFO, scsi_target(cmd->device), | |
5937 | "WARM TARGET DEVICE RESET FAILED - " | |
5938 | "waiting for commands.\n"); | |
5939 | return FAILED; | |
5940 | } | |
5941 | ||
9d562913 DS |
5942 | /* Send marker. */ |
5943 | if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun, | |
5944 | MM_TGT_WARM_RESET) != QLA_SUCCESS) { | |
5945 | starget_printk(KERN_INFO, scsi_target(cmd->device), | |
5946 | "WARM TARGET DEVICE RESET FAILED - " | |
5947 | "marker iocb failed.\n"); | |
5948 | return FAILED; | |
5949 | } | |
5950 | ||
ce545039 MC |
5951 | starget_printk(KERN_INFO, scsi_target(cmd->device), |
5952 | "WARM TARGET RESET SUCCEEDED.\n"); | |
5953 | return SUCCESS; | |
5954 | } | |
5955 | ||
8a288960 SR |
5956 | /** |
5957 | * qla4xxx_is_eh_active - check if error handler is running | |
5958 | * @shost: Pointer to SCSI Host struct | |
5959 | * | |
5960 | * This routine finds that if reset host is called in EH | |
5961 | * scenario or from some application like sg_reset | |
5962 | **/ | |
5963 | static int qla4xxx_is_eh_active(struct Scsi_Host *shost) | |
5964 | { | |
5965 | if (shost->shost_state == SHOST_RECOVERY) | |
5966 | return 1; | |
5967 | return 0; | |
5968 | } | |
5969 | ||
afaf5a2d DS |
5970 | /** |
5971 | * qla4xxx_eh_host_reset - kernel callback | |
5972 | * @cmd: Pointer to Linux's SCSI command structure | |
5973 | * | |
5974 | * This routine is invoked by the Linux kernel to perform fatal error | |
5975 | * recovery on the specified adapter. | |
5976 | **/ | |
5977 | static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd) | |
5978 | { | |
5979 | int return_status = FAILED; | |
5980 | struct scsi_qla_host *ha; | |
5981 | ||
b3a271a9 | 5982 | ha = to_qla_host(cmd->device->host); |
afaf5a2d | 5983 | |
6e7b4292 VC |
5984 | if (is_qla8032(ha) && ql4xdontresethba) |
5985 | qla4_83xx_set_idc_dontreset(ha); | |
5986 | ||
5987 | /* | |
5988 | * For ISP8324, if IDC_CTRL DONTRESET_BIT0 is set by other | |
5989 | * protocol drivers, we should not set device_state to | |
5990 | * NEED_RESET | |
5991 | */ | |
5992 | if (ql4xdontresethba || | |
5993 | (is_qla8032(ha) && qla4_83xx_idc_dontreset(ha))) { | |
f4f5df23 VC |
5994 | DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n", |
5995 | ha->host_no, __func__)); | |
8a288960 SR |
5996 | |
5997 | /* Clear outstanding srb in queues */ | |
5998 | if (qla4xxx_is_eh_active(cmd->device->host)) | |
5999 | qla4xxx_abort_active_cmds(ha, DID_ABORT << 16); | |
6000 | ||
f4f5df23 VC |
6001 | return FAILED; |
6002 | } | |
6003 | ||
c2660df3 | 6004 | ql4_printk(KERN_INFO, ha, |
dca05c4c | 6005 | "scsi(%ld:%d:%d:%d): HOST RESET ISSUED.\n", ha->host_no, |
afaf5a2d DS |
6006 | cmd->device->channel, cmd->device->id, cmd->device->lun); |
6007 | ||
6008 | if (qla4xxx_wait_for_hba_online(ha) != QLA_SUCCESS) { | |
6009 | DEBUG2(printk("scsi%ld:%d: %s: Unable to reset host. Adapter " | |
6010 | "DEAD.\n", ha->host_no, cmd->device->channel, | |
6011 | __func__)); | |
6012 | ||
6013 | return FAILED; | |
6014 | } | |
6015 | ||
f4f5df23 | 6016 | if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) { |
6e7b4292 | 6017 | if (is_qla80XX(ha)) |
f4f5df23 VC |
6018 | set_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); |
6019 | else | |
6020 | set_bit(DPC_RESET_HA, &ha->dpc_flags); | |
6021 | } | |
50a29aec | 6022 | |
f4f5df23 | 6023 | if (qla4xxx_recover_adapter(ha) == QLA_SUCCESS) |
afaf5a2d | 6024 | return_status = SUCCESS; |
afaf5a2d | 6025 | |
c2660df3 | 6026 | ql4_printk(KERN_INFO, ha, "HOST RESET %s.\n", |
25985edc | 6027 | return_status == FAILED ? "FAILED" : "SUCCEEDED"); |
afaf5a2d DS |
6028 | |
6029 | return return_status; | |
6030 | } | |
6031 | ||
95d31262 VC |
6032 | static int qla4xxx_context_reset(struct scsi_qla_host *ha) |
6033 | { | |
6034 | uint32_t mbox_cmd[MBOX_REG_COUNT]; | |
6035 | uint32_t mbox_sts[MBOX_REG_COUNT]; | |
6036 | struct addr_ctrl_blk_def *acb = NULL; | |
6037 | uint32_t acb_len = sizeof(struct addr_ctrl_blk_def); | |
6038 | int rval = QLA_SUCCESS; | |
6039 | dma_addr_t acb_dma; | |
6040 | ||
6041 | acb = dma_alloc_coherent(&ha->pdev->dev, | |
6042 | sizeof(struct addr_ctrl_blk_def), | |
6043 | &acb_dma, GFP_KERNEL); | |
6044 | if (!acb) { | |
6045 | ql4_printk(KERN_ERR, ha, "%s: Unable to alloc acb\n", | |
6046 | __func__); | |
6047 | rval = -ENOMEM; | |
6048 | goto exit_port_reset; | |
6049 | } | |
6050 | ||
6051 | memset(acb, 0, acb_len); | |
6052 | ||
6053 | rval = qla4xxx_get_acb(ha, acb_dma, PRIMARI_ACB, acb_len); | |
6054 | if (rval != QLA_SUCCESS) { | |
6055 | rval = -EIO; | |
6056 | goto exit_free_acb; | |
6057 | } | |
6058 | ||
6059 | rval = qla4xxx_disable_acb(ha); | |
6060 | if (rval != QLA_SUCCESS) { | |
6061 | rval = -EIO; | |
6062 | goto exit_free_acb; | |
6063 | } | |
6064 | ||
6065 | wait_for_completion_timeout(&ha->disable_acb_comp, | |
6066 | DISABLE_ACB_TOV * HZ); | |
6067 | ||
6068 | rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], acb_dma); | |
6069 | if (rval != QLA_SUCCESS) { | |
6070 | rval = -EIO; | |
6071 | goto exit_free_acb; | |
6072 | } | |
6073 | ||
6074 | exit_free_acb: | |
6075 | dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk_def), | |
6076 | acb, acb_dma); | |
6077 | exit_port_reset: | |
6078 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s %s\n", __func__, | |
6079 | rval == QLA_SUCCESS ? "SUCCEEDED" : "FAILED")); | |
6080 | return rval; | |
6081 | } | |
6082 | ||
6083 | static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type) | |
6084 | { | |
6085 | struct scsi_qla_host *ha = to_qla_host(shost); | |
6086 | int rval = QLA_SUCCESS; | |
ebd777de | 6087 | uint32_t idc_ctrl; |
95d31262 VC |
6088 | |
6089 | if (ql4xdontresethba) { | |
6090 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Don't Reset HBA\n", | |
6091 | __func__)); | |
6092 | rval = -EPERM; | |
6093 | goto exit_host_reset; | |
6094 | } | |
6095 | ||
95d31262 VC |
6096 | if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) |
6097 | goto recover_adapter; | |
6098 | ||
6099 | switch (reset_type) { | |
6100 | case SCSI_ADAPTER_RESET: | |
6101 | set_bit(DPC_RESET_HA, &ha->dpc_flags); | |
6102 | break; | |
6103 | case SCSI_FIRMWARE_RESET: | |
6104 | if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) { | |
6e7b4292 | 6105 | if (is_qla80XX(ha)) |
95d31262 VC |
6106 | /* set firmware context reset */ |
6107 | set_bit(DPC_RESET_HA_FW_CONTEXT, | |
6108 | &ha->dpc_flags); | |
6109 | else { | |
6110 | rval = qla4xxx_context_reset(ha); | |
6111 | goto exit_host_reset; | |
6112 | } | |
6113 | } | |
6114 | break; | |
6115 | } | |
6116 | ||
6117 | recover_adapter: | |
ebd777de VC |
6118 | /* For ISP83XX set graceful reset bit in IDC_DRV_CTRL if |
6119 | * reset is issued by application */ | |
6120 | if (is_qla8032(ha) && test_bit(DPC_RESET_HA, &ha->dpc_flags)) { | |
6121 | idc_ctrl = qla4_83xx_rd_reg(ha, QLA83XX_IDC_DRV_CTRL); | |
6122 | qla4_83xx_wr_reg(ha, QLA83XX_IDC_DRV_CTRL, | |
6123 | (idc_ctrl | GRACEFUL_RESET_BIT1)); | |
6124 | } | |
6125 | ||
95d31262 VC |
6126 | rval = qla4xxx_recover_adapter(ha); |
6127 | if (rval != QLA_SUCCESS) { | |
6128 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: recover adapter fail\n", | |
6129 | __func__)); | |
6130 | rval = -EIO; | |
6131 | } | |
6132 | ||
6133 | exit_host_reset: | |
6134 | return rval; | |
6135 | } | |
6136 | ||
2232be0d LC |
6137 | /* PCI AER driver recovers from all correctable errors w/o |
6138 | * driver intervention. For uncorrectable errors PCI AER | |
6139 | * driver calls the following device driver's callbacks | |
6140 | * | |
6141 | * - Fatal Errors - link_reset | |
6142 | * - Non-Fatal Errors - driver's pci_error_detected() which | |
6143 | * returns CAN_RECOVER, NEED_RESET or DISCONNECT. | |
6144 | * | |
6145 | * PCI AER driver calls | |
6146 | * CAN_RECOVER - driver's pci_mmio_enabled(), mmio_enabled | |
6147 | * returns RECOVERED or NEED_RESET if fw_hung | |
6148 | * NEED_RESET - driver's slot_reset() | |
6149 | * DISCONNECT - device is dead & cannot recover | |
6150 | * RECOVERED - driver's pci_resume() | |
6151 | */ | |
6152 | static pci_ers_result_t | |
6153 | qla4xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) | |
6154 | { | |
6155 | struct scsi_qla_host *ha = pci_get_drvdata(pdev); | |
6156 | ||
6157 | ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: error detected:state %x\n", | |
6158 | ha->host_no, __func__, state); | |
6159 | ||
6160 | if (!is_aer_supported(ha)) | |
6161 | return PCI_ERS_RESULT_NONE; | |
6162 | ||
6163 | switch (state) { | |
6164 | case pci_channel_io_normal: | |
6165 | clear_bit(AF_EEH_BUSY, &ha->flags); | |
6166 | return PCI_ERS_RESULT_CAN_RECOVER; | |
6167 | case pci_channel_io_frozen: | |
6168 | set_bit(AF_EEH_BUSY, &ha->flags); | |
6169 | qla4xxx_mailbox_premature_completion(ha); | |
6170 | qla4xxx_free_irqs(ha); | |
6171 | pci_disable_device(pdev); | |
7b3595df VC |
6172 | /* Return back all IOs */ |
6173 | qla4xxx_abort_active_cmds(ha, DID_RESET << 16); | |
2232be0d LC |
6174 | return PCI_ERS_RESULT_NEED_RESET; |
6175 | case pci_channel_io_perm_failure: | |
6176 | set_bit(AF_EEH_BUSY, &ha->flags); | |
6177 | set_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags); | |
6178 | qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); | |
6179 | return PCI_ERS_RESULT_DISCONNECT; | |
6180 | } | |
6181 | return PCI_ERS_RESULT_NEED_RESET; | |
6182 | } | |
6183 | ||
6184 | /** | |
6185 | * qla4xxx_pci_mmio_enabled() gets called if | |
6186 | * qla4xxx_pci_error_detected() returns PCI_ERS_RESULT_CAN_RECOVER | |
6187 | * and read/write to the device still works. | |
6188 | **/ | |
6189 | static pci_ers_result_t | |
6190 | qla4xxx_pci_mmio_enabled(struct pci_dev *pdev) | |
6191 | { | |
6192 | struct scsi_qla_host *ha = pci_get_drvdata(pdev); | |
6193 | ||
6194 | if (!is_aer_supported(ha)) | |
6195 | return PCI_ERS_RESULT_NONE; | |
6196 | ||
7b3595df | 6197 | return PCI_ERS_RESULT_RECOVERED; |
2232be0d LC |
6198 | } |
6199 | ||
7b3595df | 6200 | static uint32_t qla4_8xxx_error_recovery(struct scsi_qla_host *ha) |
2232be0d LC |
6201 | { |
6202 | uint32_t rval = QLA_ERROR; | |
6203 | int fn; | |
6204 | struct pci_dev *other_pdev = NULL; | |
6205 | ||
6206 | ql4_printk(KERN_WARNING, ha, "scsi%ld: In %s\n", ha->host_no, __func__); | |
6207 | ||
6208 | set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); | |
6209 | ||
6210 | if (test_bit(AF_ONLINE, &ha->flags)) { | |
6211 | clear_bit(AF_ONLINE, &ha->flags); | |
b3a271a9 MR |
6212 | clear_bit(AF_LINK_UP, &ha->flags); |
6213 | iscsi_host_for_each_session(ha->host, qla4xxx_fail_session); | |
2232be0d | 6214 | qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); |
2232be0d LC |
6215 | } |
6216 | ||
6217 | fn = PCI_FUNC(ha->pdev->devfn); | |
6218 | while (fn > 0) { | |
6219 | fn--; | |
6220 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Finding PCI device at " | |
6221 | "func %x\n", ha->host_no, __func__, fn); | |
6222 | /* Get the pci device given the domain, bus, | |
6223 | * slot/function number */ | |
6224 | other_pdev = | |
6225 | pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus), | |
6226 | ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn), | |
6227 | fn)); | |
6228 | ||
6229 | if (!other_pdev) | |
6230 | continue; | |
6231 | ||
6232 | if (atomic_read(&other_pdev->enable_cnt)) { | |
6233 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Found PCI " | |
6234 | "func in enabled state%x\n", ha->host_no, | |
6235 | __func__, fn); | |
6236 | pci_dev_put(other_pdev); | |
6237 | break; | |
6238 | } | |
6239 | pci_dev_put(other_pdev); | |
6240 | } | |
6241 | ||
6242 | /* The first function on the card, the reset owner will | |
6243 | * start & initialize the firmware. The other functions | |
6244 | * on the card will reset the firmware context | |
6245 | */ | |
6246 | if (!fn) { | |
6247 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn being reset " | |
6248 | "0x%x is the owner\n", ha->host_no, __func__, | |
6249 | ha->pdev->devfn); | |
6250 | ||
33693c7a VC |
6251 | ha->isp_ops->idc_lock(ha); |
6252 | qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, | |
6253 | QLA8XXX_DEV_COLD); | |
33693c7a | 6254 | ha->isp_ops->idc_unlock(ha); |
39c95826 VC |
6255 | |
6256 | rval = qla4_8xxx_update_idc_reg(ha); | |
6257 | if (rval == QLA_ERROR) { | |
6258 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: FAILED\n", | |
6259 | ha->host_no, __func__); | |
6260 | ha->isp_ops->idc_lock(ha); | |
6261 | qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, | |
6262 | QLA8XXX_DEV_FAILED); | |
6263 | ha->isp_ops->idc_unlock(ha); | |
6264 | goto exit_error_recovery; | |
6265 | } | |
2232be0d | 6266 | |
2232be0d | 6267 | clear_bit(AF_FW_RECOVERY, &ha->flags); |
13483730 | 6268 | rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); |
2232be0d LC |
6269 | |
6270 | if (rval != QLA_SUCCESS) { | |
6271 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: " | |
6272 | "FAILED\n", ha->host_no, __func__); | |
82761907 | 6273 | ha->isp_ops->idc_lock(ha); |
2232be0d | 6274 | qla4_8xxx_clear_drv_active(ha); |
33693c7a VC |
6275 | qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, |
6276 | QLA8XXX_DEV_FAILED); | |
82761907 | 6277 | ha->isp_ops->idc_unlock(ha); |
2232be0d LC |
6278 | } else { |
6279 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: " | |
6280 | "READY\n", ha->host_no, __func__); | |
82761907 | 6281 | ha->isp_ops->idc_lock(ha); |
33693c7a VC |
6282 | qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, |
6283 | QLA8XXX_DEV_READY); | |
2232be0d | 6284 | /* Clear driver state register */ |
33693c7a | 6285 | qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DRV_STATE, 0); |
2232be0d | 6286 | qla4_8xxx_set_drv_active(ha); |
82761907 | 6287 | ha->isp_ops->idc_unlock(ha); |
137257da | 6288 | ha->isp_ops->enable_intrs(ha); |
2232be0d | 6289 | } |
2232be0d LC |
6290 | } else { |
6291 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn 0x%x is not " | |
6292 | "the reset owner\n", ha->host_no, __func__, | |
6293 | ha->pdev->devfn); | |
33693c7a VC |
6294 | if ((qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE) == |
6295 | QLA8XXX_DEV_READY)) { | |
2232be0d | 6296 | clear_bit(AF_FW_RECOVERY, &ha->flags); |
13483730 | 6297 | rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); |
137257da PV |
6298 | if (rval == QLA_SUCCESS) |
6299 | ha->isp_ops->enable_intrs(ha); | |
6300 | ||
33693c7a | 6301 | ha->isp_ops->idc_lock(ha); |
2232be0d | 6302 | qla4_8xxx_set_drv_active(ha); |
33693c7a | 6303 | ha->isp_ops->idc_unlock(ha); |
2232be0d LC |
6304 | } |
6305 | } | |
39c95826 | 6306 | exit_error_recovery: |
2232be0d LC |
6307 | clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); |
6308 | return rval; | |
6309 | } | |
6310 | ||
6311 | static pci_ers_result_t | |
6312 | qla4xxx_pci_slot_reset(struct pci_dev *pdev) | |
6313 | { | |
6314 | pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT; | |
6315 | struct scsi_qla_host *ha = pci_get_drvdata(pdev); | |
6316 | int rc; | |
6317 | ||
6318 | ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: slot_reset\n", | |
6319 | ha->host_no, __func__); | |
6320 | ||
6321 | if (!is_aer_supported(ha)) | |
6322 | return PCI_ERS_RESULT_NONE; | |
6323 | ||
6324 | /* Restore the saved state of PCIe device - | |
6325 | * BAR registers, PCI Config space, PCIX, MSI, | |
6326 | * IOV states | |
6327 | */ | |
6328 | pci_restore_state(pdev); | |
6329 | ||
6330 | /* pci_restore_state() clears the saved_state flag of the device | |
6331 | * save restored state which resets saved_state flag | |
6332 | */ | |
6333 | pci_save_state(pdev); | |
6334 | ||
6335 | /* Initialize device or resume if in suspended state */ | |
6336 | rc = pci_enable_device(pdev); | |
6337 | if (rc) { | |
25985edc | 6338 | ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Can't re-enable " |
2232be0d LC |
6339 | "device after reset\n", ha->host_no, __func__); |
6340 | goto exit_slot_reset; | |
6341 | } | |
6342 | ||
7b3595df | 6343 | ha->isp_ops->disable_intrs(ha); |
2232be0d | 6344 | |
6e7b4292 | 6345 | if (is_qla80XX(ha)) { |
2232be0d LC |
6346 | if (qla4_8xxx_error_recovery(ha) == QLA_SUCCESS) { |
6347 | ret = PCI_ERS_RESULT_RECOVERED; | |
6348 | goto exit_slot_reset; | |
6349 | } else | |
6350 | goto exit_slot_reset; | |
6351 | } | |
6352 | ||
6353 | exit_slot_reset: | |
6354 | ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Return=%x\n" | |
6355 | "device after reset\n", ha->host_no, __func__, ret); | |
6356 | return ret; | |
6357 | } | |
6358 | ||
6359 | static void | |
6360 | qla4xxx_pci_resume(struct pci_dev *pdev) | |
6361 | { | |
6362 | struct scsi_qla_host *ha = pci_get_drvdata(pdev); | |
6363 | int ret; | |
6364 | ||
6365 | ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: pci_resume\n", | |
6366 | ha->host_no, __func__); | |
6367 | ||
6368 | ret = qla4xxx_wait_for_hba_online(ha); | |
6369 | if (ret != QLA_SUCCESS) { | |
6370 | ql4_printk(KERN_ERR, ha, "scsi%ld: %s: the device failed to " | |
6371 | "resume I/O from slot/link_reset\n", ha->host_no, | |
6372 | __func__); | |
6373 | } | |
6374 | ||
6375 | pci_cleanup_aer_uncorrect_error_status(pdev); | |
6376 | clear_bit(AF_EEH_BUSY, &ha->flags); | |
6377 | } | |
6378 | ||
a55b2d21 | 6379 | static const struct pci_error_handlers qla4xxx_err_handler = { |
2232be0d LC |
6380 | .error_detected = qla4xxx_pci_error_detected, |
6381 | .mmio_enabled = qla4xxx_pci_mmio_enabled, | |
6382 | .slot_reset = qla4xxx_pci_slot_reset, | |
6383 | .resume = qla4xxx_pci_resume, | |
6384 | }; | |
6385 | ||
afaf5a2d DS |
6386 | static struct pci_device_id qla4xxx_pci_tbl[] = { |
6387 | { | |
6388 | .vendor = PCI_VENDOR_ID_QLOGIC, | |
6389 | .device = PCI_DEVICE_ID_QLOGIC_ISP4010, | |
6390 | .subvendor = PCI_ANY_ID, | |
6391 | .subdevice = PCI_ANY_ID, | |
6392 | }, | |
6393 | { | |
6394 | .vendor = PCI_VENDOR_ID_QLOGIC, | |
6395 | .device = PCI_DEVICE_ID_QLOGIC_ISP4022, | |
6396 | .subvendor = PCI_ANY_ID, | |
6397 | .subdevice = PCI_ANY_ID, | |
6398 | }, | |
d915058f DS |
6399 | { |
6400 | .vendor = PCI_VENDOR_ID_QLOGIC, | |
6401 | .device = PCI_DEVICE_ID_QLOGIC_ISP4032, | |
6402 | .subvendor = PCI_ANY_ID, | |
6403 | .subdevice = PCI_ANY_ID, | |
6404 | }, | |
f4f5df23 VC |
6405 | { |
6406 | .vendor = PCI_VENDOR_ID_QLOGIC, | |
6407 | .device = PCI_DEVICE_ID_QLOGIC_ISP8022, | |
6408 | .subvendor = PCI_ANY_ID, | |
6409 | .subdevice = PCI_ANY_ID, | |
6410 | }, | |
6e7b4292 VC |
6411 | { |
6412 | .vendor = PCI_VENDOR_ID_QLOGIC, | |
6413 | .device = PCI_DEVICE_ID_QLOGIC_ISP8324, | |
6414 | .subvendor = PCI_ANY_ID, | |
6415 | .subdevice = PCI_ANY_ID, | |
6416 | }, | |
afaf5a2d DS |
6417 | {0, 0}, |
6418 | }; | |
6419 | MODULE_DEVICE_TABLE(pci, qla4xxx_pci_tbl); | |
6420 | ||
47975477 | 6421 | static struct pci_driver qla4xxx_pci_driver = { |
afaf5a2d DS |
6422 | .name = DRIVER_NAME, |
6423 | .id_table = qla4xxx_pci_tbl, | |
6424 | .probe = qla4xxx_probe_adapter, | |
6425 | .remove = qla4xxx_remove_adapter, | |
2232be0d | 6426 | .err_handler = &qla4xxx_err_handler, |
afaf5a2d DS |
6427 | }; |
6428 | ||
6429 | static int __init qla4xxx_module_init(void) | |
6430 | { | |
6431 | int ret; | |
6432 | ||
6433 | /* Allocate cache for SRBs. */ | |
6434 | srb_cachep = kmem_cache_create("qla4xxx_srbs", sizeof(struct srb), 0, | |
20c2df83 | 6435 | SLAB_HWCACHE_ALIGN, NULL); |
afaf5a2d DS |
6436 | if (srb_cachep == NULL) { |
6437 | printk(KERN_ERR | |
6438 | "%s: Unable to allocate SRB cache..." | |
6439 | "Failing load!\n", DRIVER_NAME); | |
6440 | ret = -ENOMEM; | |
6441 | goto no_srp_cache; | |
6442 | } | |
6443 | ||
6444 | /* Derive version string. */ | |
6445 | strcpy(qla4xxx_version_str, QLA4XXX_DRIVER_VERSION); | |
11010fec | 6446 | if (ql4xextended_error_logging) |
afaf5a2d DS |
6447 | strcat(qla4xxx_version_str, "-debug"); |
6448 | ||
6449 | qla4xxx_scsi_transport = | |
6450 | iscsi_register_transport(&qla4xxx_iscsi_transport); | |
6451 | if (!qla4xxx_scsi_transport){ | |
6452 | ret = -ENODEV; | |
6453 | goto release_srb_cache; | |
6454 | } | |
6455 | ||
afaf5a2d DS |
6456 | ret = pci_register_driver(&qla4xxx_pci_driver); |
6457 | if (ret) | |
6458 | goto unregister_transport; | |
6459 | ||
6460 | printk(KERN_INFO "QLogic iSCSI HBA Driver\n"); | |
6461 | return 0; | |
5ae16db3 | 6462 | |
afaf5a2d DS |
6463 | unregister_transport: |
6464 | iscsi_unregister_transport(&qla4xxx_iscsi_transport); | |
6465 | release_srb_cache: | |
6466 | kmem_cache_destroy(srb_cachep); | |
6467 | no_srp_cache: | |
6468 | return ret; | |
6469 | } | |
6470 | ||
6471 | static void __exit qla4xxx_module_exit(void) | |
6472 | { | |
6473 | pci_unregister_driver(&qla4xxx_pci_driver); | |
6474 | iscsi_unregister_transport(&qla4xxx_iscsi_transport); | |
6475 | kmem_cache_destroy(srb_cachep); | |
6476 | } | |
6477 | ||
6478 | module_init(qla4xxx_module_init); | |
6479 | module_exit(qla4xxx_module_exit); | |
6480 | ||
6481 | MODULE_AUTHOR("QLogic Corporation"); | |
6482 | MODULE_DESCRIPTION("QLogic iSCSI HBA Driver"); | |
6483 | MODULE_LICENSE("GPL"); | |
6484 | MODULE_VERSION(QLA4XXX_DRIVER_VERSION); |