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Commit | Line | Data |
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afaf5a2d DS |
1 | /* |
2 | * QLogic iSCSI HBA Driver | |
4a4f51e9 | 3 | * Copyright (c) 2003-2013 QLogic Corporation |
afaf5a2d DS |
4 | * |
5 | * See LICENSE.qla4xxx for copyright and licensing details. | |
6 | */ | |
7 | #include <linux/moduleparam.h> | |
5a0e3ad6 | 8 | #include <linux/slab.h> |
2a991c21 MR |
9 | #include <linux/blkdev.h> |
10 | #include <linux/iscsi_boot_sysfs.h> | |
13483730 | 11 | #include <linux/inet.h> |
afaf5a2d DS |
12 | |
13 | #include <scsi/scsi_tcq.h> | |
14 | #include <scsi/scsicam.h> | |
15 | ||
16 | #include "ql4_def.h" | |
bee4fe8e DS |
17 | #include "ql4_version.h" |
18 | #include "ql4_glbl.h" | |
19 | #include "ql4_dbg.h" | |
20 | #include "ql4_inline.h" | |
6e7b4292 | 21 | #include "ql4_83xx.h" |
afaf5a2d DS |
22 | |
23 | /* | |
24 | * Driver version | |
25 | */ | |
47975477 | 26 | static char qla4xxx_version_str[40]; |
afaf5a2d DS |
27 | |
28 | /* | |
29 | * SRB allocation cache | |
30 | */ | |
e18b890b | 31 | static struct kmem_cache *srb_cachep; |
afaf5a2d DS |
32 | |
33 | /* | |
34 | * Module parameter information and variables | |
35 | */ | |
a7380a65 | 36 | static int ql4xdisablesysfsboot = 1; |
13483730 MC |
37 | module_param(ql4xdisablesysfsboot, int, S_IRUGO | S_IWUSR); |
38 | MODULE_PARM_DESC(ql4xdisablesysfsboot, | |
a4e8a715 KH |
39 | " Set to disable exporting boot targets to sysfs.\n" |
40 | "\t\t 0 - Export boot targets\n" | |
41 | "\t\t 1 - Do not export boot targets (Default)"); | |
13483730 | 42 | |
3573bfb2 | 43 | int ql4xdontresethba; |
f4f5df23 | 44 | module_param(ql4xdontresethba, int, S_IRUGO | S_IWUSR); |
afaf5a2d | 45 | MODULE_PARM_DESC(ql4xdontresethba, |
a4e8a715 KH |
46 | " Don't reset the HBA for driver recovery.\n" |
47 | "\t\t 0 - It will reset HBA (Default)\n" | |
48 | "\t\t 1 - It will NOT reset HBA"); | |
afaf5a2d | 49 | |
a4e8a715 | 50 | int ql4xextended_error_logging; |
f4f5df23 | 51 | module_param(ql4xextended_error_logging, int, S_IRUGO | S_IWUSR); |
11010fec | 52 | MODULE_PARM_DESC(ql4xextended_error_logging, |
a4e8a715 KH |
53 | " Option to enable extended error logging.\n" |
54 | "\t\t 0 - no logging (Default)\n" | |
55 | "\t\t 2 - debug logging"); | |
afaf5a2d | 56 | |
f4f5df23 VC |
57 | int ql4xenablemsix = 1; |
58 | module_param(ql4xenablemsix, int, S_IRUGO|S_IWUSR); | |
59 | MODULE_PARM_DESC(ql4xenablemsix, | |
a4e8a715 KH |
60 | " Set to enable MSI or MSI-X interrupt mechanism.\n" |
61 | "\t\t 0 = enable INTx interrupt mechanism.\n" | |
62 | "\t\t 1 = enable MSI-X interrupt mechanism (Default).\n" | |
63 | "\t\t 2 = enable MSI interrupt mechanism."); | |
477ffb9d | 64 | |
d510d965 | 65 | #define QL4_DEF_QDEPTH 32 |
8bb4033d VC |
66 | static int ql4xmaxqdepth = QL4_DEF_QDEPTH; |
67 | module_param(ql4xmaxqdepth, int, S_IRUGO | S_IWUSR); | |
68 | MODULE_PARM_DESC(ql4xmaxqdepth, | |
a4e8a715 KH |
69 | " Maximum queue depth to report for target devices.\n" |
70 | "\t\t Default: 32."); | |
d510d965 | 71 | |
f7b4aa63 TP |
72 | static int ql4xqfulltracking = 1; |
73 | module_param(ql4xqfulltracking, int, S_IRUGO | S_IWUSR); | |
74 | MODULE_PARM_DESC(ql4xqfulltracking, | |
75 | " Enable or disable dynamic tracking and adjustment of\n" | |
76 | "\t\t scsi device queue depth.\n" | |
77 | "\t\t 0 - Disable.\n" | |
78 | "\t\t 1 - Enable. (Default)"); | |
79 | ||
3038727c VC |
80 | static int ql4xsess_recovery_tmo = QL4_SESS_RECOVERY_TMO; |
81 | module_param(ql4xsess_recovery_tmo, int, S_IRUGO); | |
82 | MODULE_PARM_DESC(ql4xsess_recovery_tmo, | |
3573bfb2 | 83 | " Target Session Recovery Timeout.\n" |
a4e8a715 | 84 | "\t\t Default: 120 sec."); |
3038727c | 85 | |
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); | |
26ffd7b4 AC |
152 | static int qla4xxx_set_chap_entry(struct Scsi_Host *shost, void *data, |
153 | int len); | |
c0b9d3f7 | 154 | |
afaf5a2d DS |
155 | /* |
156 | * SCSI host template entry points | |
157 | */ | |
f281233d | 158 | static int qla4xxx_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd); |
09a0f719 | 159 | static int qla4xxx_eh_abort(struct scsi_cmnd *cmd); |
afaf5a2d | 160 | static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd); |
ce545039 | 161 | static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd); |
afaf5a2d DS |
162 | static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd); |
163 | static int qla4xxx_slave_alloc(struct scsi_device *device); | |
164 | static int qla4xxx_slave_configure(struct scsi_device *device); | |
165 | static void qla4xxx_slave_destroy(struct scsi_device *sdev); | |
5e9bcec7 | 166 | static umode_t qla4_attr_is_visible(int param_type, int param); |
95d31262 | 167 | static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type); |
f7b4aa63 TP |
168 | static int qla4xxx_change_queue_depth(struct scsi_device *sdev, int qdepth, |
169 | int reason); | |
afaf5a2d | 170 | |
1e9e2be3 AC |
171 | /* |
172 | * iSCSI Flash DDB sysfs entry points | |
173 | */ | |
174 | static int | |
175 | qla4xxx_sysfs_ddb_set_param(struct iscsi_bus_flash_session *fnode_sess, | |
176 | struct iscsi_bus_flash_conn *fnode_conn, | |
177 | void *data, int len); | |
178 | static int | |
179 | qla4xxx_sysfs_ddb_get_param(struct iscsi_bus_flash_session *fnode_sess, | |
180 | int param, char *buf); | |
181 | static int qla4xxx_sysfs_ddb_add(struct Scsi_Host *shost, const char *buf, | |
182 | int len); | |
183 | static int | |
184 | qla4xxx_sysfs_ddb_delete(struct iscsi_bus_flash_session *fnode_sess); | |
185 | static int qla4xxx_sysfs_ddb_login(struct iscsi_bus_flash_session *fnode_sess, | |
186 | struct iscsi_bus_flash_conn *fnode_conn); | |
187 | static int qla4xxx_sysfs_ddb_logout(struct iscsi_bus_flash_session *fnode_sess, | |
188 | struct iscsi_bus_flash_conn *fnode_conn); | |
189 | static int qla4xxx_sysfs_ddb_logout_sid(struct iscsi_cls_session *cls_sess); | |
190 | ||
f4f5df23 VC |
191 | static struct qla4_8xxx_legacy_intr_set legacy_intr[] = |
192 | QLA82XX_LEGACY_INTR_CONFIG; | |
193 | ||
afaf5a2d DS |
194 | static struct scsi_host_template qla4xxx_driver_template = { |
195 | .module = THIS_MODULE, | |
196 | .name = DRIVER_NAME, | |
197 | .proc_name = DRIVER_NAME, | |
198 | .queuecommand = qla4xxx_queuecommand, | |
199 | ||
09a0f719 | 200 | .eh_abort_handler = qla4xxx_eh_abort, |
afaf5a2d | 201 | .eh_device_reset_handler = qla4xxx_eh_device_reset, |
ce545039 | 202 | .eh_target_reset_handler = qla4xxx_eh_target_reset, |
afaf5a2d | 203 | .eh_host_reset_handler = qla4xxx_eh_host_reset, |
5c656af7 | 204 | .eh_timed_out = qla4xxx_eh_cmd_timed_out, |
afaf5a2d DS |
205 | |
206 | .slave_configure = qla4xxx_slave_configure, | |
207 | .slave_alloc = qla4xxx_slave_alloc, | |
208 | .slave_destroy = qla4xxx_slave_destroy, | |
f7b4aa63 | 209 | .change_queue_depth = qla4xxx_change_queue_depth, |
afaf5a2d DS |
210 | |
211 | .this_id = -1, | |
212 | .cmd_per_lun = 3, | |
213 | .use_clustering = ENABLE_CLUSTERING, | |
214 | .sg_tablesize = SG_ALL, | |
215 | ||
216 | .max_sectors = 0xFFFF, | |
7ad633c0 | 217 | .shost_attrs = qla4xxx_host_attrs, |
95d31262 | 218 | .host_reset = qla4xxx_host_reset, |
a355943c | 219 | .vendor_id = SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC, |
afaf5a2d DS |
220 | }; |
221 | ||
222 | static struct iscsi_transport qla4xxx_iscsi_transport = { | |
223 | .owner = THIS_MODULE, | |
224 | .name = DRIVER_NAME, | |
b3a271a9 MR |
225 | .caps = CAP_TEXT_NEGO | |
226 | CAP_DATA_PATH_OFFLOAD | CAP_HDRDGST | | |
227 | CAP_DATADGST | CAP_LOGIN_OFFLOAD | | |
228 | CAP_MULTI_R2T, | |
5e9bcec7 | 229 | .attr_is_visible = qla4_attr_is_visible, |
b3a271a9 MR |
230 | .create_session = qla4xxx_session_create, |
231 | .destroy_session = qla4xxx_session_destroy, | |
232 | .start_conn = qla4xxx_conn_start, | |
233 | .create_conn = qla4xxx_conn_create, | |
234 | .bind_conn = qla4xxx_conn_bind, | |
235 | .stop_conn = iscsi_conn_stop, | |
236 | .destroy_conn = qla4xxx_conn_destroy, | |
237 | .set_param = iscsi_set_param, | |
afaf5a2d | 238 | .get_conn_param = qla4xxx_conn_get_param, |
fca9f04d | 239 | .get_session_param = qla4xxx_session_get_param, |
b3a271a9 MR |
240 | .get_ep_param = qla4xxx_get_ep_param, |
241 | .ep_connect = qla4xxx_ep_connect, | |
242 | .ep_poll = qla4xxx_ep_poll, | |
243 | .ep_disconnect = qla4xxx_ep_disconnect, | |
244 | .get_stats = qla4xxx_conn_get_stats, | |
245 | .send_pdu = iscsi_conn_send_pdu, | |
246 | .xmit_task = qla4xxx_task_xmit, | |
247 | .cleanup_task = qla4xxx_task_cleanup, | |
248 | .alloc_pdu = qla4xxx_alloc_pdu, | |
249 | ||
aa1e93a2 | 250 | .get_host_param = qla4xxx_host_get_param, |
d00efe3f | 251 | .set_iface_param = qla4xxx_iface_set_param, |
ed1086e0 | 252 | .get_iface_param = qla4xxx_get_iface_param, |
a355943c | 253 | .bsg_request = qla4xxx_bsg_request, |
c0b9d3f7 | 254 | .send_ping = qla4xxx_send_ping, |
376738af NJ |
255 | .get_chap = qla4xxx_get_chap_list, |
256 | .delete_chap = qla4xxx_delete_chap, | |
26ffd7b4 | 257 | .set_chap = qla4xxx_set_chap_entry, |
1e9e2be3 AC |
258 | .get_flashnode_param = qla4xxx_sysfs_ddb_get_param, |
259 | .set_flashnode_param = qla4xxx_sysfs_ddb_set_param, | |
260 | .new_flashnode = qla4xxx_sysfs_ddb_add, | |
261 | .del_flashnode = qla4xxx_sysfs_ddb_delete, | |
262 | .login_flashnode = qla4xxx_sysfs_ddb_login, | |
263 | .logout_flashnode = qla4xxx_sysfs_ddb_logout, | |
264 | .logout_flashnode_sid = qla4xxx_sysfs_ddb_logout_sid, | |
afaf5a2d DS |
265 | }; |
266 | ||
267 | static struct scsi_transport_template *qla4xxx_scsi_transport; | |
268 | ||
c0b9d3f7 VC |
269 | static int qla4xxx_send_ping(struct Scsi_Host *shost, uint32_t iface_num, |
270 | uint32_t iface_type, uint32_t payload_size, | |
271 | uint32_t pid, struct sockaddr *dst_addr) | |
272 | { | |
273 | struct scsi_qla_host *ha = to_qla_host(shost); | |
274 | struct sockaddr_in *addr; | |
275 | struct sockaddr_in6 *addr6; | |
276 | uint32_t options = 0; | |
277 | uint8_t ipaddr[IPv6_ADDR_LEN]; | |
278 | int rval; | |
279 | ||
280 | memset(ipaddr, 0, IPv6_ADDR_LEN); | |
281 | /* IPv4 to IPv4 */ | |
282 | if ((iface_type == ISCSI_IFACE_TYPE_IPV4) && | |
283 | (dst_addr->sa_family == AF_INET)) { | |
284 | addr = (struct sockaddr_in *)dst_addr; | |
285 | memcpy(ipaddr, &addr->sin_addr.s_addr, IP_ADDR_LEN); | |
286 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv4 Ping src: %pI4 " | |
287 | "dest: %pI4\n", __func__, | |
288 | &ha->ip_config.ip_address, ipaddr)); | |
289 | rval = qla4xxx_ping_iocb(ha, options, payload_size, pid, | |
290 | ipaddr); | |
291 | if (rval) | |
292 | rval = -EINVAL; | |
293 | } else if ((iface_type == ISCSI_IFACE_TYPE_IPV6) && | |
294 | (dst_addr->sa_family == AF_INET6)) { | |
295 | /* IPv6 to IPv6 */ | |
296 | addr6 = (struct sockaddr_in6 *)dst_addr; | |
297 | memcpy(ipaddr, &addr6->sin6_addr.in6_u.u6_addr8, IPv6_ADDR_LEN); | |
298 | ||
299 | options |= PING_IPV6_PROTOCOL_ENABLE; | |
300 | ||
301 | /* Ping using LinkLocal address */ | |
302 | if ((iface_num == 0) || (iface_num == 1)) { | |
303 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: LinkLocal Ping " | |
304 | "src: %pI6 dest: %pI6\n", __func__, | |
305 | &ha->ip_config.ipv6_link_local_addr, | |
306 | ipaddr)); | |
307 | options |= PING_IPV6_LINKLOCAL_ADDR; | |
308 | rval = qla4xxx_ping_iocb(ha, options, payload_size, | |
309 | pid, ipaddr); | |
310 | } else { | |
311 | ql4_printk(KERN_WARNING, ha, "%s: iface num = %d " | |
312 | "not supported\n", __func__, iface_num); | |
313 | rval = -ENOSYS; | |
314 | goto exit_send_ping; | |
315 | } | |
316 | ||
317 | /* | |
318 | * If ping using LinkLocal address fails, try ping using | |
319 | * IPv6 address | |
320 | */ | |
321 | if (rval != QLA_SUCCESS) { | |
322 | options &= ~PING_IPV6_LINKLOCAL_ADDR; | |
323 | if (iface_num == 0) { | |
324 | options |= PING_IPV6_ADDR0; | |
325 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 " | |
326 | "Ping src: %pI6 " | |
327 | "dest: %pI6\n", __func__, | |
328 | &ha->ip_config.ipv6_addr0, | |
329 | ipaddr)); | |
330 | } else if (iface_num == 1) { | |
331 | options |= PING_IPV6_ADDR1; | |
332 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 " | |
333 | "Ping src: %pI6 " | |
334 | "dest: %pI6\n", __func__, | |
335 | &ha->ip_config.ipv6_addr1, | |
336 | ipaddr)); | |
337 | } | |
338 | rval = qla4xxx_ping_iocb(ha, options, payload_size, | |
339 | pid, ipaddr); | |
340 | if (rval) | |
341 | rval = -EINVAL; | |
342 | } | |
343 | } else | |
344 | rval = -ENOSYS; | |
345 | exit_send_ping: | |
346 | return rval; | |
347 | } | |
348 | ||
5e9bcec7 | 349 | static umode_t qla4_attr_is_visible(int param_type, int param) |
3128c6c7 MC |
350 | { |
351 | switch (param_type) { | |
f27fb2ef MC |
352 | case ISCSI_HOST_PARAM: |
353 | switch (param) { | |
354 | case ISCSI_HOST_PARAM_HWADDRESS: | |
355 | case ISCSI_HOST_PARAM_IPADDRESS: | |
356 | case ISCSI_HOST_PARAM_INITIATOR_NAME: | |
3254dbe9 VC |
357 | case ISCSI_HOST_PARAM_PORT_STATE: |
358 | case ISCSI_HOST_PARAM_PORT_SPEED: | |
f27fb2ef MC |
359 | return S_IRUGO; |
360 | default: | |
361 | return 0; | |
362 | } | |
3128c6c7 MC |
363 | case ISCSI_PARAM: |
364 | switch (param) { | |
590134fa MC |
365 | case ISCSI_PARAM_PERSISTENT_ADDRESS: |
366 | case ISCSI_PARAM_PERSISTENT_PORT: | |
3128c6c7 MC |
367 | case ISCSI_PARAM_CONN_ADDRESS: |
368 | case ISCSI_PARAM_CONN_PORT: | |
1d063c17 MC |
369 | case ISCSI_PARAM_TARGET_NAME: |
370 | case ISCSI_PARAM_TPGT: | |
371 | case ISCSI_PARAM_TARGET_ALIAS: | |
b3a271a9 MR |
372 | case ISCSI_PARAM_MAX_BURST: |
373 | case ISCSI_PARAM_MAX_R2T: | |
374 | case ISCSI_PARAM_FIRST_BURST: | |
375 | case ISCSI_PARAM_MAX_RECV_DLENGTH: | |
376 | case ISCSI_PARAM_MAX_XMIT_DLENGTH: | |
de37920b | 377 | case ISCSI_PARAM_IFACE_NAME: |
fca9f04d MC |
378 | case ISCSI_PARAM_CHAP_OUT_IDX: |
379 | case ISCSI_PARAM_CHAP_IN_IDX: | |
380 | case ISCSI_PARAM_USERNAME: | |
381 | case ISCSI_PARAM_PASSWORD: | |
382 | case ISCSI_PARAM_USERNAME_IN: | |
383 | case ISCSI_PARAM_PASSWORD_IN: | |
8cc91d42 AC |
384 | case ISCSI_PARAM_AUTO_SND_TGT_DISABLE: |
385 | case ISCSI_PARAM_DISCOVERY_SESS: | |
386 | case ISCSI_PARAM_PORTAL_TYPE: | |
387 | case ISCSI_PARAM_CHAP_AUTH_EN: | |
388 | case ISCSI_PARAM_DISCOVERY_LOGOUT_EN: | |
389 | case ISCSI_PARAM_BIDI_CHAP_EN: | |
390 | case ISCSI_PARAM_DISCOVERY_AUTH_OPTIONAL: | |
391 | case ISCSI_PARAM_DEF_TIME2WAIT: | |
392 | case ISCSI_PARAM_DEF_TIME2RETAIN: | |
393 | case ISCSI_PARAM_HDRDGST_EN: | |
394 | case ISCSI_PARAM_DATADGST_EN: | |
395 | case ISCSI_PARAM_INITIAL_R2T_EN: | |
396 | case ISCSI_PARAM_IMM_DATA_EN: | |
397 | case ISCSI_PARAM_PDU_INORDER_EN: | |
398 | case ISCSI_PARAM_DATASEQ_INORDER_EN: | |
399 | case ISCSI_PARAM_MAX_SEGMENT_SIZE: | |
400 | case ISCSI_PARAM_TCP_TIMESTAMP_STAT: | |
401 | case ISCSI_PARAM_TCP_WSF_DISABLE: | |
402 | case ISCSI_PARAM_TCP_NAGLE_DISABLE: | |
403 | case ISCSI_PARAM_TCP_TIMER_SCALE: | |
404 | case ISCSI_PARAM_TCP_TIMESTAMP_EN: | |
405 | case ISCSI_PARAM_TCP_XMIT_WSF: | |
406 | case ISCSI_PARAM_TCP_RECV_WSF: | |
407 | case ISCSI_PARAM_IP_FRAGMENT_DISABLE: | |
408 | case ISCSI_PARAM_IPV4_TOS: | |
409 | case ISCSI_PARAM_IPV6_TC: | |
410 | case ISCSI_PARAM_IPV6_FLOW_LABEL: | |
411 | case ISCSI_PARAM_IS_FW_ASSIGNED_IPV6: | |
412 | case ISCSI_PARAM_KEEPALIVE_TMO: | |
413 | case ISCSI_PARAM_LOCAL_PORT: | |
414 | case ISCSI_PARAM_ISID: | |
415 | case ISCSI_PARAM_TSID: | |
416 | case ISCSI_PARAM_DEF_TASKMGMT_TMO: | |
417 | case ISCSI_PARAM_ERL: | |
418 | case ISCSI_PARAM_STATSN: | |
419 | case ISCSI_PARAM_EXP_STATSN: | |
420 | case ISCSI_PARAM_DISCOVERY_PARENT_IDX: | |
421 | case ISCSI_PARAM_DISCOVERY_PARENT_TYPE: | |
3128c6c7 MC |
422 | return S_IRUGO; |
423 | default: | |
424 | return 0; | |
425 | } | |
b78dbba0 MC |
426 | case ISCSI_NET_PARAM: |
427 | switch (param) { | |
428 | case ISCSI_NET_PARAM_IPV4_ADDR: | |
429 | case ISCSI_NET_PARAM_IPV4_SUBNET: | |
430 | case ISCSI_NET_PARAM_IPV4_GW: | |
431 | case ISCSI_NET_PARAM_IPV4_BOOTPROTO: | |
432 | case ISCSI_NET_PARAM_IFACE_ENABLE: | |
433 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL: | |
434 | case ISCSI_NET_PARAM_IPV6_ADDR: | |
435 | case ISCSI_NET_PARAM_IPV6_ROUTER: | |
436 | case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: | |
437 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: | |
6ac73e8c VC |
438 | case ISCSI_NET_PARAM_VLAN_ID: |
439 | case ISCSI_NET_PARAM_VLAN_PRIORITY: | |
440 | case ISCSI_NET_PARAM_VLAN_ENABLED: | |
943c157b | 441 | case ISCSI_NET_PARAM_MTU: |
2ada7fc5 | 442 | case ISCSI_NET_PARAM_PORT: |
b78dbba0 MC |
443 | return S_IRUGO; |
444 | default: | |
445 | return 0; | |
446 | } | |
1e9e2be3 AC |
447 | case ISCSI_FLASHNODE_PARAM: |
448 | switch (param) { | |
449 | case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6: | |
450 | case ISCSI_FLASHNODE_PORTAL_TYPE: | |
451 | case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE: | |
452 | case ISCSI_FLASHNODE_DISCOVERY_SESS: | |
453 | case ISCSI_FLASHNODE_ENTRY_EN: | |
454 | case ISCSI_FLASHNODE_HDR_DGST_EN: | |
455 | case ISCSI_FLASHNODE_DATA_DGST_EN: | |
456 | case ISCSI_FLASHNODE_IMM_DATA_EN: | |
457 | case ISCSI_FLASHNODE_INITIAL_R2T_EN: | |
458 | case ISCSI_FLASHNODE_DATASEQ_INORDER: | |
459 | case ISCSI_FLASHNODE_PDU_INORDER: | |
460 | case ISCSI_FLASHNODE_CHAP_AUTH_EN: | |
461 | case ISCSI_FLASHNODE_SNACK_REQ_EN: | |
462 | case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN: | |
463 | case ISCSI_FLASHNODE_BIDI_CHAP_EN: | |
464 | case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL: | |
465 | case ISCSI_FLASHNODE_ERL: | |
466 | case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT: | |
467 | case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE: | |
468 | case ISCSI_FLASHNODE_TCP_WSF_DISABLE: | |
469 | case ISCSI_FLASHNODE_TCP_TIMER_SCALE: | |
470 | case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN: | |
471 | case ISCSI_FLASHNODE_IP_FRAG_DISABLE: | |
472 | case ISCSI_FLASHNODE_MAX_RECV_DLENGTH: | |
473 | case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH: | |
474 | case ISCSI_FLASHNODE_FIRST_BURST: | |
475 | case ISCSI_FLASHNODE_DEF_TIME2WAIT: | |
476 | case ISCSI_FLASHNODE_DEF_TIME2RETAIN: | |
477 | case ISCSI_FLASHNODE_MAX_R2T: | |
478 | case ISCSI_FLASHNODE_KEEPALIVE_TMO: | |
479 | case ISCSI_FLASHNODE_ISID: | |
480 | case ISCSI_FLASHNODE_TSID: | |
481 | case ISCSI_FLASHNODE_PORT: | |
482 | case ISCSI_FLASHNODE_MAX_BURST: | |
483 | case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO: | |
484 | case ISCSI_FLASHNODE_IPADDR: | |
485 | case ISCSI_FLASHNODE_ALIAS: | |
486 | case ISCSI_FLASHNODE_REDIRECT_IPADDR: | |
487 | case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE: | |
488 | case ISCSI_FLASHNODE_LOCAL_PORT: | |
489 | case ISCSI_FLASHNODE_IPV4_TOS: | |
490 | case ISCSI_FLASHNODE_IPV6_TC: | |
491 | case ISCSI_FLASHNODE_IPV6_FLOW_LABEL: | |
492 | case ISCSI_FLASHNODE_NAME: | |
493 | case ISCSI_FLASHNODE_TPGT: | |
494 | case ISCSI_FLASHNODE_LINK_LOCAL_IPV6: | |
495 | case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX: | |
496 | case ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE: | |
497 | case ISCSI_FLASHNODE_TCP_XMIT_WSF: | |
498 | case ISCSI_FLASHNODE_TCP_RECV_WSF: | |
499 | case ISCSI_FLASHNODE_CHAP_OUT_IDX: | |
500 | case ISCSI_FLASHNODE_USERNAME: | |
501 | case ISCSI_FLASHNODE_PASSWORD: | |
502 | case ISCSI_FLASHNODE_STATSN: | |
503 | case ISCSI_FLASHNODE_EXP_STATSN: | |
504 | case ISCSI_FLASHNODE_IS_BOOT_TGT: | |
505 | return S_IRUGO; | |
506 | default: | |
507 | return 0; | |
508 | } | |
3128c6c7 MC |
509 | } |
510 | ||
511 | return 0; | |
512 | } | |
513 | ||
26ffd7b4 AC |
514 | static int qla4xxx_get_chap_by_index(struct scsi_qla_host *ha, |
515 | int16_t chap_index, | |
516 | struct ql4_chap_table **chap_entry) | |
517 | { | |
518 | int rval = QLA_ERROR; | |
519 | int max_chap_entries; | |
520 | ||
521 | if (!ha->chap_list) { | |
522 | ql4_printk(KERN_ERR, ha, "CHAP table cache is empty!\n"); | |
523 | rval = QLA_ERROR; | |
524 | goto exit_get_chap; | |
525 | } | |
526 | ||
527 | if (is_qla80XX(ha)) | |
528 | max_chap_entries = (ha->hw.flt_chap_size / 2) / | |
529 | sizeof(struct ql4_chap_table); | |
530 | else | |
531 | max_chap_entries = MAX_CHAP_ENTRIES_40XX; | |
532 | ||
533 | if (chap_index > max_chap_entries) { | |
534 | ql4_printk(KERN_ERR, ha, "Invalid Chap index\n"); | |
535 | rval = QLA_ERROR; | |
536 | goto exit_get_chap; | |
537 | } | |
538 | ||
539 | *chap_entry = (struct ql4_chap_table *)ha->chap_list + chap_index; | |
540 | if ((*chap_entry)->cookie != | |
541 | __constant_cpu_to_le16(CHAP_VALID_COOKIE)) { | |
542 | rval = QLA_ERROR; | |
543 | *chap_entry = NULL; | |
544 | } else { | |
545 | rval = QLA_SUCCESS; | |
546 | } | |
547 | ||
548 | exit_get_chap: | |
549 | return rval; | |
550 | } | |
551 | ||
552 | /** | |
553 | * qla4xxx_find_free_chap_index - Find the first free chap index | |
554 | * @ha: pointer to adapter structure | |
555 | * @chap_index: CHAP index to be returned | |
556 | * | |
557 | * Find the first free chap index available in the chap table | |
558 | * | |
559 | * Note: Caller should acquire the chap lock before getting here. | |
560 | **/ | |
561 | static int qla4xxx_find_free_chap_index(struct scsi_qla_host *ha, | |
562 | uint16_t *chap_index) | |
563 | { | |
564 | int i, rval; | |
565 | int free_index = -1; | |
566 | int max_chap_entries = 0; | |
567 | struct ql4_chap_table *chap_table; | |
568 | ||
569 | if (is_qla80XX(ha)) | |
570 | max_chap_entries = (ha->hw.flt_chap_size / 2) / | |
571 | sizeof(struct ql4_chap_table); | |
572 | else | |
573 | max_chap_entries = MAX_CHAP_ENTRIES_40XX; | |
574 | ||
575 | if (!ha->chap_list) { | |
576 | ql4_printk(KERN_ERR, ha, "CHAP table cache is empty!\n"); | |
577 | rval = QLA_ERROR; | |
578 | goto exit_find_chap; | |
579 | } | |
580 | ||
581 | for (i = 0; i < max_chap_entries; i++) { | |
582 | chap_table = (struct ql4_chap_table *)ha->chap_list + i; | |
583 | ||
584 | if ((chap_table->cookie != | |
585 | __constant_cpu_to_le16(CHAP_VALID_COOKIE)) && | |
586 | (i > MAX_RESRV_CHAP_IDX)) { | |
587 | free_index = i; | |
588 | break; | |
589 | } | |
590 | } | |
591 | ||
592 | if (free_index != -1) { | |
593 | *chap_index = free_index; | |
594 | rval = QLA_SUCCESS; | |
595 | } else { | |
596 | rval = QLA_ERROR; | |
597 | } | |
598 | ||
599 | exit_find_chap: | |
600 | return rval; | |
601 | } | |
602 | ||
376738af NJ |
603 | static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx, |
604 | uint32_t *num_entries, char *buf) | |
605 | { | |
606 | struct scsi_qla_host *ha = to_qla_host(shost); | |
607 | struct ql4_chap_table *chap_table; | |
608 | struct iscsi_chap_rec *chap_rec; | |
609 | int max_chap_entries = 0; | |
610 | int valid_chap_entries = 0; | |
611 | int ret = 0, i; | |
612 | ||
d11b0ca3 | 613 | if (is_qla80XX(ha)) |
376738af NJ |
614 | max_chap_entries = (ha->hw.flt_chap_size / 2) / |
615 | sizeof(struct ql4_chap_table); | |
616 | else | |
617 | max_chap_entries = MAX_CHAP_ENTRIES_40XX; | |
618 | ||
619 | ql4_printk(KERN_INFO, ha, "%s: num_entries = %d, CHAP idx = %d\n", | |
620 | __func__, *num_entries, chap_tbl_idx); | |
621 | ||
622 | if (!buf) { | |
623 | ret = -ENOMEM; | |
624 | goto exit_get_chap_list; | |
625 | } | |
626 | ||
627 | chap_rec = (struct iscsi_chap_rec *) buf; | |
628 | mutex_lock(&ha->chap_sem); | |
629 | for (i = chap_tbl_idx; i < max_chap_entries; i++) { | |
630 | chap_table = (struct ql4_chap_table *)ha->chap_list + i; | |
631 | if (chap_table->cookie != | |
632 | __constant_cpu_to_le16(CHAP_VALID_COOKIE)) | |
633 | continue; | |
634 | ||
635 | chap_rec->chap_tbl_idx = i; | |
636 | strncpy(chap_rec->username, chap_table->name, | |
637 | ISCSI_CHAP_AUTH_NAME_MAX_LEN); | |
638 | strncpy(chap_rec->password, chap_table->secret, | |
639 | QL4_CHAP_MAX_SECRET_LEN); | |
640 | chap_rec->password_length = chap_table->secret_len; | |
641 | ||
642 | if (chap_table->flags & BIT_7) /* local */ | |
643 | chap_rec->chap_type = CHAP_TYPE_OUT; | |
644 | ||
645 | if (chap_table->flags & BIT_6) /* peer */ | |
646 | chap_rec->chap_type = CHAP_TYPE_IN; | |
647 | ||
648 | chap_rec++; | |
649 | ||
650 | valid_chap_entries++; | |
651 | if (valid_chap_entries == *num_entries) | |
652 | break; | |
653 | else | |
654 | continue; | |
655 | } | |
656 | mutex_unlock(&ha->chap_sem); | |
657 | ||
658 | exit_get_chap_list: | |
659 | ql4_printk(KERN_INFO, ha, "%s: Valid CHAP Entries = %d\n", | |
660 | __func__, valid_chap_entries); | |
661 | *num_entries = valid_chap_entries; | |
662 | return ret; | |
663 | } | |
664 | ||
665 | static int __qla4xxx_is_chap_active(struct device *dev, void *data) | |
666 | { | |
667 | int ret = 0; | |
668 | uint16_t *chap_tbl_idx = (uint16_t *) data; | |
669 | struct iscsi_cls_session *cls_session; | |
670 | struct iscsi_session *sess; | |
671 | struct ddb_entry *ddb_entry; | |
672 | ||
673 | if (!iscsi_is_session_dev(dev)) | |
674 | goto exit_is_chap_active; | |
675 | ||
676 | cls_session = iscsi_dev_to_session(dev); | |
677 | sess = cls_session->dd_data; | |
678 | ddb_entry = sess->dd_data; | |
679 | ||
680 | if (iscsi_session_chkready(cls_session)) | |
681 | goto exit_is_chap_active; | |
682 | ||
683 | if (ddb_entry->chap_tbl_idx == *chap_tbl_idx) | |
684 | ret = 1; | |
685 | ||
686 | exit_is_chap_active: | |
687 | return ret; | |
688 | } | |
689 | ||
690 | static int qla4xxx_is_chap_active(struct Scsi_Host *shost, | |
691 | uint16_t chap_tbl_idx) | |
692 | { | |
693 | int ret = 0; | |
694 | ||
695 | ret = device_for_each_child(&shost->shost_gendev, &chap_tbl_idx, | |
696 | __qla4xxx_is_chap_active); | |
697 | ||
698 | return ret; | |
699 | } | |
700 | ||
701 | static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx) | |
702 | { | |
703 | struct scsi_qla_host *ha = to_qla_host(shost); | |
704 | struct ql4_chap_table *chap_table; | |
705 | dma_addr_t chap_dma; | |
706 | int max_chap_entries = 0; | |
707 | uint32_t offset = 0; | |
708 | uint32_t chap_size; | |
709 | int ret = 0; | |
710 | ||
711 | chap_table = dma_pool_alloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma); | |
712 | if (chap_table == NULL) | |
713 | return -ENOMEM; | |
714 | ||
715 | memset(chap_table, 0, sizeof(struct ql4_chap_table)); | |
716 | ||
d11b0ca3 | 717 | if (is_qla80XX(ha)) |
376738af NJ |
718 | max_chap_entries = (ha->hw.flt_chap_size / 2) / |
719 | sizeof(struct ql4_chap_table); | |
720 | else | |
721 | max_chap_entries = MAX_CHAP_ENTRIES_40XX; | |
722 | ||
723 | if (chap_tbl_idx > max_chap_entries) { | |
724 | ret = -EINVAL; | |
725 | goto exit_delete_chap; | |
726 | } | |
727 | ||
728 | /* Check if chap index is in use. | |
729 | * If chap is in use don't delet chap entry */ | |
730 | ret = qla4xxx_is_chap_active(shost, chap_tbl_idx); | |
731 | if (ret) { | |
732 | ql4_printk(KERN_INFO, ha, "CHAP entry %d is in use, cannot " | |
733 | "delete from flash\n", chap_tbl_idx); | |
734 | ret = -EBUSY; | |
735 | goto exit_delete_chap; | |
736 | } | |
737 | ||
738 | chap_size = sizeof(struct ql4_chap_table); | |
739 | if (is_qla40XX(ha)) | |
740 | offset = FLASH_CHAP_OFFSET | (chap_tbl_idx * chap_size); | |
741 | else { | |
742 | offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2); | |
743 | /* flt_chap_size is CHAP table size for both ports | |
744 | * so divide it by 2 to calculate the offset for second port | |
745 | */ | |
746 | if (ha->port_num == 1) | |
747 | offset += (ha->hw.flt_chap_size / 2); | |
748 | offset += (chap_tbl_idx * chap_size); | |
749 | } | |
750 | ||
751 | ret = qla4xxx_get_flash(ha, chap_dma, offset, chap_size); | |
752 | if (ret != QLA_SUCCESS) { | |
753 | ret = -EINVAL; | |
754 | goto exit_delete_chap; | |
755 | } | |
756 | ||
757 | DEBUG2(ql4_printk(KERN_INFO, ha, "Chap Cookie: x%x\n", | |
758 | __le16_to_cpu(chap_table->cookie))); | |
759 | ||
760 | if (__le16_to_cpu(chap_table->cookie) != CHAP_VALID_COOKIE) { | |
761 | ql4_printk(KERN_ERR, ha, "No valid chap entry found\n"); | |
762 | goto exit_delete_chap; | |
763 | } | |
764 | ||
765 | chap_table->cookie = __constant_cpu_to_le16(0xFFFF); | |
766 | ||
767 | offset = FLASH_CHAP_OFFSET | | |
768 | (chap_tbl_idx * sizeof(struct ql4_chap_table)); | |
769 | ret = qla4xxx_set_flash(ha, chap_dma, offset, chap_size, | |
770 | FLASH_OPT_RMW_COMMIT); | |
771 | if (ret == QLA_SUCCESS && ha->chap_list) { | |
772 | mutex_lock(&ha->chap_sem); | |
773 | /* Update ha chap_list cache */ | |
774 | memcpy((struct ql4_chap_table *)ha->chap_list + chap_tbl_idx, | |
775 | chap_table, sizeof(struct ql4_chap_table)); | |
776 | mutex_unlock(&ha->chap_sem); | |
777 | } | |
778 | if (ret != QLA_SUCCESS) | |
779 | ret = -EINVAL; | |
780 | ||
781 | exit_delete_chap: | |
782 | dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma); | |
783 | return ret; | |
784 | } | |
785 | ||
26ffd7b4 AC |
786 | /** |
787 | * qla4xxx_set_chap_entry - Make chap entry with given information | |
788 | * @shost: pointer to host | |
789 | * @data: chap info - credentials, index and type to make chap entry | |
790 | * @len: length of data | |
791 | * | |
792 | * Add or update chap entry with the given information | |
793 | **/ | |
794 | static int qla4xxx_set_chap_entry(struct Scsi_Host *shost, void *data, int len) | |
795 | { | |
796 | struct scsi_qla_host *ha = to_qla_host(shost); | |
797 | struct iscsi_chap_rec chap_rec; | |
798 | struct ql4_chap_table *chap_entry = NULL; | |
799 | struct iscsi_param_info *param_info; | |
800 | struct nlattr *attr; | |
801 | int max_chap_entries = 0; | |
802 | int type; | |
803 | int rem = len; | |
804 | int rc = 0; | |
805 | ||
806 | memset(&chap_rec, 0, sizeof(chap_rec)); | |
807 | ||
808 | nla_for_each_attr(attr, data, len, rem) { | |
809 | param_info = nla_data(attr); | |
810 | ||
811 | switch (param_info->param) { | |
812 | case ISCSI_CHAP_PARAM_INDEX: | |
813 | chap_rec.chap_tbl_idx = *(uint16_t *)param_info->value; | |
814 | break; | |
815 | case ISCSI_CHAP_PARAM_CHAP_TYPE: | |
816 | chap_rec.chap_type = param_info->value[0]; | |
817 | break; | |
818 | case ISCSI_CHAP_PARAM_USERNAME: | |
819 | memcpy(chap_rec.username, param_info->value, | |
820 | param_info->len); | |
821 | break; | |
822 | case ISCSI_CHAP_PARAM_PASSWORD: | |
823 | memcpy(chap_rec.password, param_info->value, | |
824 | param_info->len); | |
825 | break; | |
826 | case ISCSI_CHAP_PARAM_PASSWORD_LEN: | |
827 | chap_rec.password_length = param_info->value[0]; | |
828 | break; | |
829 | default: | |
830 | ql4_printk(KERN_ERR, ha, | |
831 | "%s: No such sysfs attribute\n", __func__); | |
832 | rc = -ENOSYS; | |
833 | goto exit_set_chap; | |
834 | }; | |
835 | } | |
836 | ||
837 | if (chap_rec.chap_type == CHAP_TYPE_IN) | |
838 | type = BIDI_CHAP; | |
839 | else | |
840 | type = LOCAL_CHAP; | |
841 | ||
842 | if (is_qla80XX(ha)) | |
843 | max_chap_entries = (ha->hw.flt_chap_size / 2) / | |
844 | sizeof(struct ql4_chap_table); | |
845 | else | |
846 | max_chap_entries = MAX_CHAP_ENTRIES_40XX; | |
847 | ||
848 | mutex_lock(&ha->chap_sem); | |
849 | if (chap_rec.chap_tbl_idx < max_chap_entries) { | |
850 | rc = qla4xxx_get_chap_by_index(ha, chap_rec.chap_tbl_idx, | |
851 | &chap_entry); | |
852 | if (!rc) { | |
853 | if (!(type == qla4xxx_get_chap_type(chap_entry))) { | |
854 | ql4_printk(KERN_INFO, ha, | |
855 | "Type mismatch for CHAP entry %d\n", | |
856 | chap_rec.chap_tbl_idx); | |
857 | rc = -EINVAL; | |
858 | goto exit_unlock_chap; | |
859 | } | |
860 | ||
861 | /* If chap index is in use then don't modify it */ | |
862 | rc = qla4xxx_is_chap_active(shost, | |
863 | chap_rec.chap_tbl_idx); | |
864 | if (rc) { | |
865 | ql4_printk(KERN_INFO, ha, | |
866 | "CHAP entry %d is in use\n", | |
867 | chap_rec.chap_tbl_idx); | |
868 | rc = -EBUSY; | |
869 | goto exit_unlock_chap; | |
870 | } | |
871 | } | |
872 | } else { | |
873 | rc = qla4xxx_find_free_chap_index(ha, &chap_rec.chap_tbl_idx); | |
874 | if (rc) { | |
875 | ql4_printk(KERN_INFO, ha, "CHAP entry not available\n"); | |
876 | rc = -EBUSY; | |
877 | goto exit_unlock_chap; | |
878 | } | |
879 | } | |
880 | ||
881 | rc = qla4xxx_set_chap(ha, chap_rec.username, chap_rec.password, | |
882 | chap_rec.chap_tbl_idx, type); | |
883 | ||
884 | exit_unlock_chap: | |
885 | mutex_unlock(&ha->chap_sem); | |
886 | ||
887 | exit_set_chap: | |
888 | return rc; | |
889 | } | |
890 | ||
ed1086e0 VC |
891 | static int qla4xxx_get_iface_param(struct iscsi_iface *iface, |
892 | enum iscsi_param_type param_type, | |
893 | int param, char *buf) | |
894 | { | |
895 | struct Scsi_Host *shost = iscsi_iface_to_shost(iface); | |
896 | struct scsi_qla_host *ha = to_qla_host(shost); | |
897 | int len = -ENOSYS; | |
898 | ||
899 | if (param_type != ISCSI_NET_PARAM) | |
900 | return -ENOSYS; | |
901 | ||
902 | switch (param) { | |
903 | case ISCSI_NET_PARAM_IPV4_ADDR: | |
904 | len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address); | |
905 | break; | |
906 | case ISCSI_NET_PARAM_IPV4_SUBNET: | |
907 | len = sprintf(buf, "%pI4\n", &ha->ip_config.subnet_mask); | |
908 | break; | |
909 | case ISCSI_NET_PARAM_IPV4_GW: | |
910 | len = sprintf(buf, "%pI4\n", &ha->ip_config.gateway); | |
911 | break; | |
912 | case ISCSI_NET_PARAM_IFACE_ENABLE: | |
913 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) | |
914 | len = sprintf(buf, "%s\n", | |
915 | (ha->ip_config.ipv4_options & | |
916 | IPOPT_IPV4_PROTOCOL_ENABLE) ? | |
917 | "enabled" : "disabled"); | |
918 | else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6) | |
919 | len = sprintf(buf, "%s\n", | |
920 | (ha->ip_config.ipv6_options & | |
921 | IPV6_OPT_IPV6_PROTOCOL_ENABLE) ? | |
922 | "enabled" : "disabled"); | |
923 | break; | |
924 | case ISCSI_NET_PARAM_IPV4_BOOTPROTO: | |
925 | len = sprintf(buf, "%s\n", | |
926 | (ha->ip_config.tcp_options & TCPOPT_DHCP_ENABLE) ? | |
927 | "dhcp" : "static"); | |
928 | break; | |
929 | case ISCSI_NET_PARAM_IPV6_ADDR: | |
930 | if (iface->iface_num == 0) | |
931 | len = sprintf(buf, "%pI6\n", &ha->ip_config.ipv6_addr0); | |
932 | if (iface->iface_num == 1) | |
933 | len = sprintf(buf, "%pI6\n", &ha->ip_config.ipv6_addr1); | |
934 | break; | |
935 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL: | |
936 | len = sprintf(buf, "%pI6\n", | |
937 | &ha->ip_config.ipv6_link_local_addr); | |
938 | break; | |
939 | case ISCSI_NET_PARAM_IPV6_ROUTER: | |
940 | len = sprintf(buf, "%pI6\n", | |
941 | &ha->ip_config.ipv6_default_router_addr); | |
942 | break; | |
943 | case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: | |
944 | len = sprintf(buf, "%s\n", | |
945 | (ha->ip_config.ipv6_addl_options & | |
946 | IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE) ? | |
947 | "nd" : "static"); | |
948 | break; | |
949 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: | |
950 | len = sprintf(buf, "%s\n", | |
951 | (ha->ip_config.ipv6_addl_options & | |
952 | IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR) ? | |
953 | "auto" : "static"); | |
954 | break; | |
6ac73e8c VC |
955 | case ISCSI_NET_PARAM_VLAN_ID: |
956 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) | |
957 | len = sprintf(buf, "%d\n", | |
958 | (ha->ip_config.ipv4_vlan_tag & | |
959 | ISCSI_MAX_VLAN_ID)); | |
960 | else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6) | |
961 | len = sprintf(buf, "%d\n", | |
962 | (ha->ip_config.ipv6_vlan_tag & | |
963 | ISCSI_MAX_VLAN_ID)); | |
964 | break; | |
965 | case ISCSI_NET_PARAM_VLAN_PRIORITY: | |
966 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) | |
967 | len = sprintf(buf, "%d\n", | |
968 | ((ha->ip_config.ipv4_vlan_tag >> 13) & | |
969 | ISCSI_MAX_VLAN_PRIORITY)); | |
970 | else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6) | |
971 | len = sprintf(buf, "%d\n", | |
972 | ((ha->ip_config.ipv6_vlan_tag >> 13) & | |
973 | ISCSI_MAX_VLAN_PRIORITY)); | |
974 | break; | |
975 | case ISCSI_NET_PARAM_VLAN_ENABLED: | |
976 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) | |
977 | len = sprintf(buf, "%s\n", | |
978 | (ha->ip_config.ipv4_options & | |
979 | IPOPT_VLAN_TAGGING_ENABLE) ? | |
980 | "enabled" : "disabled"); | |
981 | else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6) | |
982 | len = sprintf(buf, "%s\n", | |
983 | (ha->ip_config.ipv6_options & | |
984 | IPV6_OPT_VLAN_TAGGING_ENABLE) ? | |
985 | "enabled" : "disabled"); | |
986 | break; | |
943c157b VC |
987 | case ISCSI_NET_PARAM_MTU: |
988 | len = sprintf(buf, "%d\n", ha->ip_config.eth_mtu_size); | |
989 | break; | |
2ada7fc5 VC |
990 | case ISCSI_NET_PARAM_PORT: |
991 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) | |
992 | len = sprintf(buf, "%d\n", ha->ip_config.ipv4_port); | |
993 | else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6) | |
994 | len = sprintf(buf, "%d\n", ha->ip_config.ipv6_port); | |
995 | break; | |
ed1086e0 VC |
996 | default: |
997 | len = -ENOSYS; | |
998 | } | |
999 | ||
1000 | return len; | |
1001 | } | |
1002 | ||
b3a271a9 MR |
1003 | static struct iscsi_endpoint * |
1004 | qla4xxx_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr, | |
1005 | int non_blocking) | |
5c656af7 | 1006 | { |
b3a271a9 MR |
1007 | int ret; |
1008 | struct iscsi_endpoint *ep; | |
1009 | struct qla_endpoint *qla_ep; | |
1010 | struct scsi_qla_host *ha; | |
1011 | struct sockaddr_in *addr; | |
1012 | struct sockaddr_in6 *addr6; | |
5c656af7 | 1013 | |
b3a271a9 MR |
1014 | DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); |
1015 | if (!shost) { | |
1016 | ret = -ENXIO; | |
1017 | printk(KERN_ERR "%s: shost is NULL\n", | |
1018 | __func__); | |
1019 | return ERR_PTR(ret); | |
1020 | } | |
5c656af7 | 1021 | |
b3a271a9 MR |
1022 | ha = iscsi_host_priv(shost); |
1023 | ||
1024 | ep = iscsi_create_endpoint(sizeof(struct qla_endpoint)); | |
1025 | if (!ep) { | |
1026 | ret = -ENOMEM; | |
1027 | return ERR_PTR(ret); | |
1028 | } | |
1029 | ||
1030 | qla_ep = ep->dd_data; | |
1031 | memset(qla_ep, 0, sizeof(struct qla_endpoint)); | |
1032 | if (dst_addr->sa_family == AF_INET) { | |
1033 | memcpy(&qla_ep->dst_addr, dst_addr, sizeof(struct sockaddr_in)); | |
1034 | addr = (struct sockaddr_in *)&qla_ep->dst_addr; | |
1035 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI4\n", __func__, | |
1036 | (char *)&addr->sin_addr)); | |
1037 | } else if (dst_addr->sa_family == AF_INET6) { | |
1038 | memcpy(&qla_ep->dst_addr, dst_addr, | |
1039 | sizeof(struct sockaddr_in6)); | |
1040 | addr6 = (struct sockaddr_in6 *)&qla_ep->dst_addr; | |
1041 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI6\n", __func__, | |
1042 | (char *)&addr6->sin6_addr)); | |
1043 | } | |
1044 | ||
1045 | qla_ep->host = shost; | |
1046 | ||
1047 | return ep; | |
5c656af7 MC |
1048 | } |
1049 | ||
b3a271a9 | 1050 | static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms) |
afaf5a2d | 1051 | { |
b3a271a9 MR |
1052 | struct qla_endpoint *qla_ep; |
1053 | struct scsi_qla_host *ha; | |
1054 | int ret = 0; | |
afaf5a2d | 1055 | |
b3a271a9 MR |
1056 | DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); |
1057 | qla_ep = ep->dd_data; | |
1058 | ha = to_qla_host(qla_ep->host); | |
1059 | ||
13483730 | 1060 | if (adapter_up(ha) && !test_bit(AF_BUILD_DDB_LIST, &ha->flags)) |
b3a271a9 MR |
1061 | ret = 1; |
1062 | ||
1063 | return ret; | |
1064 | } | |
1065 | ||
1066 | static void qla4xxx_ep_disconnect(struct iscsi_endpoint *ep) | |
1067 | { | |
1068 | DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); | |
1069 | iscsi_destroy_endpoint(ep); | |
1070 | } | |
1071 | ||
1072 | static int qla4xxx_get_ep_param(struct iscsi_endpoint *ep, | |
1073 | enum iscsi_param param, | |
1074 | char *buf) | |
1075 | { | |
1076 | struct qla_endpoint *qla_ep = ep->dd_data; | |
1077 | struct sockaddr *dst_addr; | |
1078 | ||
1079 | DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); | |
1080 | ||
1081 | switch (param) { | |
1082 | case ISCSI_PARAM_CONN_PORT: | |
1083 | case ISCSI_PARAM_CONN_ADDRESS: | |
1084 | if (!qla_ep) | |
1085 | return -ENOTCONN; | |
1086 | ||
1087 | dst_addr = (struct sockaddr *)&qla_ep->dst_addr; | |
1088 | if (!dst_addr) | |
1089 | return -ENOTCONN; | |
1090 | ||
1091 | return iscsi_conn_get_addr_param((struct sockaddr_storage *) | |
1092 | &qla_ep->dst_addr, param, buf); | |
1093 | default: | |
1094 | return -ENOSYS; | |
1095 | } | |
1096 | } | |
1097 | ||
1098 | static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn, | |
1099 | struct iscsi_stats *stats) | |
1100 | { | |
1101 | struct iscsi_session *sess; | |
1102 | struct iscsi_cls_session *cls_sess; | |
1103 | struct ddb_entry *ddb_entry; | |
1104 | struct scsi_qla_host *ha; | |
1105 | struct ql_iscsi_stats *ql_iscsi_stats; | |
1106 | int stats_size; | |
1107 | int ret; | |
1108 | dma_addr_t iscsi_stats_dma; | |
1109 | ||
1110 | DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); | |
568d303b | 1111 | |
b3a271a9 MR |
1112 | cls_sess = iscsi_conn_to_session(cls_conn); |
1113 | sess = cls_sess->dd_data; | |
1114 | ddb_entry = sess->dd_data; | |
1115 | ha = ddb_entry->ha; | |
1116 | ||
1117 | stats_size = PAGE_ALIGN(sizeof(struct ql_iscsi_stats)); | |
1118 | /* Allocate memory */ | |
1119 | ql_iscsi_stats = dma_alloc_coherent(&ha->pdev->dev, stats_size, | |
1120 | &iscsi_stats_dma, GFP_KERNEL); | |
1121 | if (!ql_iscsi_stats) { | |
1122 | ql4_printk(KERN_ERR, ha, | |
1123 | "Unable to allocate memory for iscsi stats\n"); | |
1124 | goto exit_get_stats; | |
568d303b | 1125 | } |
b3a271a9 MR |
1126 | |
1127 | ret = qla4xxx_get_mgmt_data(ha, ddb_entry->fw_ddb_index, stats_size, | |
1128 | iscsi_stats_dma); | |
1129 | if (ret != QLA_SUCCESS) { | |
1130 | ql4_printk(KERN_ERR, ha, | |
59e13d48 | 1131 | "Unable to retrieve iscsi stats\n"); |
b3a271a9 MR |
1132 | goto free_stats; |
1133 | } | |
1134 | ||
1135 | /* octets */ | |
1136 | stats->txdata_octets = le64_to_cpu(ql_iscsi_stats->tx_data_octets); | |
1137 | stats->rxdata_octets = le64_to_cpu(ql_iscsi_stats->rx_data_octets); | |
1138 | /* xmit pdus */ | |
1139 | stats->noptx_pdus = le32_to_cpu(ql_iscsi_stats->tx_nopout_pdus); | |
1140 | stats->scsicmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_cmd_pdus); | |
1141 | stats->tmfcmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_tmf_cmd_pdus); | |
1142 | stats->login_pdus = le32_to_cpu(ql_iscsi_stats->tx_login_cmd_pdus); | |
1143 | stats->text_pdus = le32_to_cpu(ql_iscsi_stats->tx_text_cmd_pdus); | |
1144 | stats->dataout_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_write_pdus); | |
1145 | stats->logout_pdus = le32_to_cpu(ql_iscsi_stats->tx_logout_cmd_pdus); | |
1146 | stats->snack_pdus = le32_to_cpu(ql_iscsi_stats->tx_snack_req_pdus); | |
1147 | /* recv pdus */ | |
1148 | stats->noprx_pdus = le32_to_cpu(ql_iscsi_stats->rx_nopin_pdus); | |
1149 | stats->scsirsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_resp_pdus); | |
1150 | stats->tmfrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_tmf_resp_pdus); | |
1151 | stats->textrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_text_resp_pdus); | |
1152 | stats->datain_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_read_pdus); | |
1153 | stats->logoutrsp_pdus = | |
1154 | le32_to_cpu(ql_iscsi_stats->rx_logout_resp_pdus); | |
1155 | stats->r2t_pdus = le32_to_cpu(ql_iscsi_stats->rx_r2t_pdus); | |
1156 | stats->async_pdus = le32_to_cpu(ql_iscsi_stats->rx_async_pdus); | |
1157 | stats->rjt_pdus = le32_to_cpu(ql_iscsi_stats->rx_reject_pdus); | |
1158 | ||
1159 | free_stats: | |
1160 | dma_free_coherent(&ha->pdev->dev, stats_size, ql_iscsi_stats, | |
1161 | iscsi_stats_dma); | |
1162 | exit_get_stats: | |
1163 | return; | |
1164 | } | |
1165 | ||
1166 | static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc) | |
1167 | { | |
1168 | struct iscsi_cls_session *session; | |
1169 | struct iscsi_session *sess; | |
1170 | unsigned long flags; | |
1171 | enum blk_eh_timer_return ret = BLK_EH_NOT_HANDLED; | |
1172 | ||
1173 | session = starget_to_session(scsi_target(sc->device)); | |
1174 | sess = session->dd_data; | |
1175 | ||
1176 | spin_lock_irqsave(&session->lock, flags); | |
1177 | if (session->state == ISCSI_SESSION_FAILED) | |
1178 | ret = BLK_EH_RESET_TIMER; | |
1179 | spin_unlock_irqrestore(&session->lock, flags); | |
1180 | ||
1181 | return ret; | |
afaf5a2d DS |
1182 | } |
1183 | ||
3254dbe9 VC |
1184 | static void qla4xxx_set_port_speed(struct Scsi_Host *shost) |
1185 | { | |
1186 | struct scsi_qla_host *ha = to_qla_host(shost); | |
e16d166e | 1187 | struct iscsi_cls_host *ihost = shost->shost_data; |
3254dbe9 VC |
1188 | uint32_t speed = ISCSI_PORT_SPEED_UNKNOWN; |
1189 | ||
1190 | qla4xxx_get_firmware_state(ha); | |
1191 | ||
1192 | switch (ha->addl_fw_state & 0x0F00) { | |
1193 | case FW_ADDSTATE_LINK_SPEED_10MBPS: | |
1194 | speed = ISCSI_PORT_SPEED_10MBPS; | |
1195 | break; | |
1196 | case FW_ADDSTATE_LINK_SPEED_100MBPS: | |
1197 | speed = ISCSI_PORT_SPEED_100MBPS; | |
1198 | break; | |
1199 | case FW_ADDSTATE_LINK_SPEED_1GBPS: | |
1200 | speed = ISCSI_PORT_SPEED_1GBPS; | |
1201 | break; | |
1202 | case FW_ADDSTATE_LINK_SPEED_10GBPS: | |
1203 | speed = ISCSI_PORT_SPEED_10GBPS; | |
1204 | break; | |
1205 | } | |
1206 | ihost->port_speed = speed; | |
1207 | } | |
1208 | ||
1209 | static void qla4xxx_set_port_state(struct Scsi_Host *shost) | |
1210 | { | |
1211 | struct scsi_qla_host *ha = to_qla_host(shost); | |
e16d166e | 1212 | struct iscsi_cls_host *ihost = shost->shost_data; |
3254dbe9 VC |
1213 | uint32_t state = ISCSI_PORT_STATE_DOWN; |
1214 | ||
1215 | if (test_bit(AF_LINK_UP, &ha->flags)) | |
1216 | state = ISCSI_PORT_STATE_UP; | |
1217 | ||
1218 | ihost->port_state = state; | |
1219 | } | |
1220 | ||
aa1e93a2 MC |
1221 | static int qla4xxx_host_get_param(struct Scsi_Host *shost, |
1222 | enum iscsi_host_param param, char *buf) | |
1223 | { | |
1224 | struct scsi_qla_host *ha = to_qla_host(shost); | |
1225 | int len; | |
1226 | ||
1227 | switch (param) { | |
1228 | case ISCSI_HOST_PARAM_HWADDRESS: | |
7ffc49a6 | 1229 | len = sysfs_format_mac(buf, ha->my_mac, MAC_ADDR_LEN); |
8ad5781a | 1230 | break; |
22236961 | 1231 | case ISCSI_HOST_PARAM_IPADDRESS: |
2bab08fc | 1232 | len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address); |
22236961 | 1233 | break; |
8ad5781a | 1234 | case ISCSI_HOST_PARAM_INITIATOR_NAME: |
22236961 | 1235 | len = sprintf(buf, "%s\n", ha->name_string); |
aa1e93a2 | 1236 | break; |
3254dbe9 VC |
1237 | case ISCSI_HOST_PARAM_PORT_STATE: |
1238 | qla4xxx_set_port_state(shost); | |
1239 | len = sprintf(buf, "%s\n", iscsi_get_port_state_name(shost)); | |
1240 | break; | |
1241 | case ISCSI_HOST_PARAM_PORT_SPEED: | |
1242 | qla4xxx_set_port_speed(shost); | |
1243 | len = sprintf(buf, "%s\n", iscsi_get_port_speed_name(shost)); | |
1244 | break; | |
aa1e93a2 MC |
1245 | default: |
1246 | return -ENOSYS; | |
1247 | } | |
1248 | ||
1249 | return len; | |
1250 | } | |
1251 | ||
ed1086e0 VC |
1252 | static void qla4xxx_create_ipv4_iface(struct scsi_qla_host *ha) |
1253 | { | |
1254 | if (ha->iface_ipv4) | |
1255 | return; | |
1256 | ||
1257 | /* IPv4 */ | |
1258 | ha->iface_ipv4 = iscsi_create_iface(ha->host, | |
1259 | &qla4xxx_iscsi_transport, | |
1260 | ISCSI_IFACE_TYPE_IPV4, 0, 0); | |
1261 | if (!ha->iface_ipv4) | |
1262 | ql4_printk(KERN_ERR, ha, "Could not create IPv4 iSCSI " | |
1263 | "iface0.\n"); | |
1264 | } | |
1265 | ||
1266 | static void qla4xxx_create_ipv6_iface(struct scsi_qla_host *ha) | |
1267 | { | |
1268 | if (!ha->iface_ipv6_0) | |
1269 | /* IPv6 iface-0 */ | |
1270 | ha->iface_ipv6_0 = iscsi_create_iface(ha->host, | |
1271 | &qla4xxx_iscsi_transport, | |
1272 | ISCSI_IFACE_TYPE_IPV6, 0, | |
1273 | 0); | |
1274 | if (!ha->iface_ipv6_0) | |
1275 | ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI " | |
1276 | "iface0.\n"); | |
1277 | ||
1278 | if (!ha->iface_ipv6_1) | |
1279 | /* IPv6 iface-1 */ | |
1280 | ha->iface_ipv6_1 = iscsi_create_iface(ha->host, | |
1281 | &qla4xxx_iscsi_transport, | |
1282 | ISCSI_IFACE_TYPE_IPV6, 1, | |
1283 | 0); | |
1284 | if (!ha->iface_ipv6_1) | |
1285 | ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI " | |
1286 | "iface1.\n"); | |
1287 | } | |
1288 | ||
1289 | static void qla4xxx_create_ifaces(struct scsi_qla_host *ha) | |
1290 | { | |
1291 | if (ha->ip_config.ipv4_options & IPOPT_IPV4_PROTOCOL_ENABLE) | |
1292 | qla4xxx_create_ipv4_iface(ha); | |
1293 | ||
1294 | if (ha->ip_config.ipv6_options & IPV6_OPT_IPV6_PROTOCOL_ENABLE) | |
1295 | qla4xxx_create_ipv6_iface(ha); | |
1296 | } | |
1297 | ||
1298 | static void qla4xxx_destroy_ipv4_iface(struct scsi_qla_host *ha) | |
1299 | { | |
1300 | if (ha->iface_ipv4) { | |
1301 | iscsi_destroy_iface(ha->iface_ipv4); | |
1302 | ha->iface_ipv4 = NULL; | |
1303 | } | |
1304 | } | |
1305 | ||
1306 | static void qla4xxx_destroy_ipv6_iface(struct scsi_qla_host *ha) | |
1307 | { | |
1308 | if (ha->iface_ipv6_0) { | |
1309 | iscsi_destroy_iface(ha->iface_ipv6_0); | |
1310 | ha->iface_ipv6_0 = NULL; | |
1311 | } | |
1312 | if (ha->iface_ipv6_1) { | |
1313 | iscsi_destroy_iface(ha->iface_ipv6_1); | |
1314 | ha->iface_ipv6_1 = NULL; | |
1315 | } | |
1316 | } | |
1317 | ||
1318 | static void qla4xxx_destroy_ifaces(struct scsi_qla_host *ha) | |
1319 | { | |
1320 | qla4xxx_destroy_ipv4_iface(ha); | |
1321 | qla4xxx_destroy_ipv6_iface(ha); | |
1322 | } | |
1323 | ||
d00efe3f MC |
1324 | static void qla4xxx_set_ipv6(struct scsi_qla_host *ha, |
1325 | struct iscsi_iface_param_info *iface_param, | |
1326 | struct addr_ctrl_blk *init_fw_cb) | |
1327 | { | |
1328 | /* | |
1329 | * iface_num 0 is valid for IPv6 Addr, linklocal, router, autocfg. | |
1330 | * iface_num 1 is valid only for IPv6 Addr. | |
1331 | */ | |
1332 | switch (iface_param->param) { | |
1333 | case ISCSI_NET_PARAM_IPV6_ADDR: | |
1334 | if (iface_param->iface_num & 0x1) | |
1335 | /* IPv6 Addr 1 */ | |
1336 | memcpy(init_fw_cb->ipv6_addr1, iface_param->value, | |
1337 | sizeof(init_fw_cb->ipv6_addr1)); | |
1338 | else | |
1339 | /* IPv6 Addr 0 */ | |
1340 | memcpy(init_fw_cb->ipv6_addr0, iface_param->value, | |
1341 | sizeof(init_fw_cb->ipv6_addr0)); | |
1342 | break; | |
1343 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL: | |
1344 | if (iface_param->iface_num & 0x1) | |
1345 | break; | |
1346 | memcpy(init_fw_cb->ipv6_if_id, &iface_param->value[8], | |
1347 | sizeof(init_fw_cb->ipv6_if_id)); | |
1348 | break; | |
1349 | case ISCSI_NET_PARAM_IPV6_ROUTER: | |
1350 | if (iface_param->iface_num & 0x1) | |
1351 | break; | |
1352 | memcpy(init_fw_cb->ipv6_dflt_rtr_addr, iface_param->value, | |
1353 | sizeof(init_fw_cb->ipv6_dflt_rtr_addr)); | |
1354 | break; | |
1355 | case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: | |
1356 | /* Autocfg applies to even interface */ | |
1357 | if (iface_param->iface_num & 0x1) | |
1358 | break; | |
1359 | ||
1360 | if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_DISABLE) | |
1361 | init_fw_cb->ipv6_addtl_opts &= | |
1362 | cpu_to_le16( | |
1363 | ~IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE); | |
1364 | else if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_ND_ENABLE) | |
1365 | init_fw_cb->ipv6_addtl_opts |= | |
1366 | cpu_to_le16( | |
1367 | IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE); | |
1368 | else | |
1369 | ql4_printk(KERN_ERR, ha, "Invalid autocfg setting for " | |
1370 | "IPv6 addr\n"); | |
1371 | break; | |
1372 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: | |
1373 | /* Autocfg applies to even interface */ | |
1374 | if (iface_param->iface_num & 0x1) | |
1375 | break; | |
1376 | ||
1377 | if (iface_param->value[0] == | |
1378 | ISCSI_IPV6_LINKLOCAL_AUTOCFG_ENABLE) | |
1379 | init_fw_cb->ipv6_addtl_opts |= cpu_to_le16( | |
1380 | IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR); | |
1381 | else if (iface_param->value[0] == | |
1382 | ISCSI_IPV6_LINKLOCAL_AUTOCFG_DISABLE) | |
1383 | init_fw_cb->ipv6_addtl_opts &= cpu_to_le16( | |
1384 | ~IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR); | |
1385 | else | |
1386 | ql4_printk(KERN_ERR, ha, "Invalid autocfg setting for " | |
1387 | "IPv6 linklocal addr\n"); | |
1388 | break; | |
1389 | case ISCSI_NET_PARAM_IPV6_ROUTER_AUTOCFG: | |
1390 | /* Autocfg applies to even interface */ | |
1391 | if (iface_param->iface_num & 0x1) | |
1392 | break; | |
1393 | ||
1394 | if (iface_param->value[0] == ISCSI_IPV6_ROUTER_AUTOCFG_ENABLE) | |
1395 | memset(init_fw_cb->ipv6_dflt_rtr_addr, 0, | |
1396 | sizeof(init_fw_cb->ipv6_dflt_rtr_addr)); | |
1397 | break; | |
1398 | case ISCSI_NET_PARAM_IFACE_ENABLE: | |
ed1086e0 | 1399 | if (iface_param->value[0] == ISCSI_IFACE_ENABLE) { |
d00efe3f MC |
1400 | init_fw_cb->ipv6_opts |= |
1401 | cpu_to_le16(IPV6_OPT_IPV6_PROTOCOL_ENABLE); | |
ed1086e0 VC |
1402 | qla4xxx_create_ipv6_iface(ha); |
1403 | } else { | |
d00efe3f MC |
1404 | init_fw_cb->ipv6_opts &= |
1405 | cpu_to_le16(~IPV6_OPT_IPV6_PROTOCOL_ENABLE & | |
1406 | 0xFFFF); | |
ed1086e0 VC |
1407 | qla4xxx_destroy_ipv6_iface(ha); |
1408 | } | |
d00efe3f | 1409 | break; |
2d63673b | 1410 | case ISCSI_NET_PARAM_VLAN_TAG: |
d00efe3f MC |
1411 | if (iface_param->len != sizeof(init_fw_cb->ipv6_vlan_tag)) |
1412 | break; | |
6ac73e8c VC |
1413 | init_fw_cb->ipv6_vlan_tag = |
1414 | cpu_to_be16(*(uint16_t *)iface_param->value); | |
1415 | break; | |
1416 | case ISCSI_NET_PARAM_VLAN_ENABLED: | |
1417 | if (iface_param->value[0] == ISCSI_VLAN_ENABLE) | |
1418 | init_fw_cb->ipv6_opts |= | |
1419 | cpu_to_le16(IPV6_OPT_VLAN_TAGGING_ENABLE); | |
1420 | else | |
1421 | init_fw_cb->ipv6_opts &= | |
1422 | cpu_to_le16(~IPV6_OPT_VLAN_TAGGING_ENABLE); | |
d00efe3f | 1423 | break; |
943c157b VC |
1424 | case ISCSI_NET_PARAM_MTU: |
1425 | init_fw_cb->eth_mtu_size = | |
1426 | cpu_to_le16(*(uint16_t *)iface_param->value); | |
1427 | break; | |
2ada7fc5 VC |
1428 | case ISCSI_NET_PARAM_PORT: |
1429 | /* Autocfg applies to even interface */ | |
1430 | if (iface_param->iface_num & 0x1) | |
1431 | break; | |
1432 | ||
1433 | init_fw_cb->ipv6_port = | |
1434 | cpu_to_le16(*(uint16_t *)iface_param->value); | |
1435 | break; | |
d00efe3f MC |
1436 | default: |
1437 | ql4_printk(KERN_ERR, ha, "Unknown IPv6 param = %d\n", | |
1438 | iface_param->param); | |
1439 | break; | |
1440 | } | |
1441 | } | |
1442 | ||
1443 | static void qla4xxx_set_ipv4(struct scsi_qla_host *ha, | |
1444 | struct iscsi_iface_param_info *iface_param, | |
1445 | struct addr_ctrl_blk *init_fw_cb) | |
1446 | { | |
1447 | switch (iface_param->param) { | |
1448 | case ISCSI_NET_PARAM_IPV4_ADDR: | |
1449 | memcpy(init_fw_cb->ipv4_addr, iface_param->value, | |
1450 | sizeof(init_fw_cb->ipv4_addr)); | |
1451 | break; | |
1452 | case ISCSI_NET_PARAM_IPV4_SUBNET: | |
1453 | memcpy(init_fw_cb->ipv4_subnet, iface_param->value, | |
1454 | sizeof(init_fw_cb->ipv4_subnet)); | |
1455 | break; | |
1456 | case ISCSI_NET_PARAM_IPV4_GW: | |
1457 | memcpy(init_fw_cb->ipv4_gw_addr, iface_param->value, | |
1458 | sizeof(init_fw_cb->ipv4_gw_addr)); | |
1459 | break; | |
1460 | case ISCSI_NET_PARAM_IPV4_BOOTPROTO: | |
1461 | if (iface_param->value[0] == ISCSI_BOOTPROTO_DHCP) | |
1462 | init_fw_cb->ipv4_tcp_opts |= | |
1463 | cpu_to_le16(TCPOPT_DHCP_ENABLE); | |
1464 | else if (iface_param->value[0] == ISCSI_BOOTPROTO_STATIC) | |
1465 | init_fw_cb->ipv4_tcp_opts &= | |
1466 | cpu_to_le16(~TCPOPT_DHCP_ENABLE); | |
1467 | else | |
1468 | ql4_printk(KERN_ERR, ha, "Invalid IPv4 bootproto\n"); | |
1469 | break; | |
1470 | case ISCSI_NET_PARAM_IFACE_ENABLE: | |
ed1086e0 | 1471 | if (iface_param->value[0] == ISCSI_IFACE_ENABLE) { |
d00efe3f | 1472 | init_fw_cb->ipv4_ip_opts |= |
2bab08fc | 1473 | cpu_to_le16(IPOPT_IPV4_PROTOCOL_ENABLE); |
ed1086e0 VC |
1474 | qla4xxx_create_ipv4_iface(ha); |
1475 | } else { | |
d00efe3f | 1476 | init_fw_cb->ipv4_ip_opts &= |
2bab08fc | 1477 | cpu_to_le16(~IPOPT_IPV4_PROTOCOL_ENABLE & |
d00efe3f | 1478 | 0xFFFF); |
ed1086e0 VC |
1479 | qla4xxx_destroy_ipv4_iface(ha); |
1480 | } | |
d00efe3f | 1481 | break; |
2d63673b | 1482 | case ISCSI_NET_PARAM_VLAN_TAG: |
d00efe3f MC |
1483 | if (iface_param->len != sizeof(init_fw_cb->ipv4_vlan_tag)) |
1484 | break; | |
6ac73e8c VC |
1485 | init_fw_cb->ipv4_vlan_tag = |
1486 | cpu_to_be16(*(uint16_t *)iface_param->value); | |
1487 | break; | |
1488 | case ISCSI_NET_PARAM_VLAN_ENABLED: | |
1489 | if (iface_param->value[0] == ISCSI_VLAN_ENABLE) | |
1490 | init_fw_cb->ipv4_ip_opts |= | |
1491 | cpu_to_le16(IPOPT_VLAN_TAGGING_ENABLE); | |
1492 | else | |
1493 | init_fw_cb->ipv4_ip_opts &= | |
1494 | cpu_to_le16(~IPOPT_VLAN_TAGGING_ENABLE); | |
d00efe3f | 1495 | break; |
943c157b VC |
1496 | case ISCSI_NET_PARAM_MTU: |
1497 | init_fw_cb->eth_mtu_size = | |
1498 | cpu_to_le16(*(uint16_t *)iface_param->value); | |
1499 | break; | |
2ada7fc5 VC |
1500 | case ISCSI_NET_PARAM_PORT: |
1501 | init_fw_cb->ipv4_port = | |
1502 | cpu_to_le16(*(uint16_t *)iface_param->value); | |
1503 | break; | |
d00efe3f MC |
1504 | default: |
1505 | ql4_printk(KERN_ERR, ha, "Unknown IPv4 param = %d\n", | |
1506 | iface_param->param); | |
1507 | break; | |
1508 | } | |
1509 | } | |
1510 | ||
1511 | static void | |
1512 | qla4xxx_initcb_to_acb(struct addr_ctrl_blk *init_fw_cb) | |
1513 | { | |
1514 | struct addr_ctrl_blk_def *acb; | |
1515 | acb = (struct addr_ctrl_blk_def *)init_fw_cb; | |
1516 | memset(acb->reserved1, 0, sizeof(acb->reserved1)); | |
1517 | memset(acb->reserved2, 0, sizeof(acb->reserved2)); | |
1518 | memset(acb->reserved3, 0, sizeof(acb->reserved3)); | |
1519 | memset(acb->reserved4, 0, sizeof(acb->reserved4)); | |
1520 | memset(acb->reserved5, 0, sizeof(acb->reserved5)); | |
1521 | memset(acb->reserved6, 0, sizeof(acb->reserved6)); | |
1522 | memset(acb->reserved7, 0, sizeof(acb->reserved7)); | |
1523 | memset(acb->reserved8, 0, sizeof(acb->reserved8)); | |
1524 | memset(acb->reserved9, 0, sizeof(acb->reserved9)); | |
1525 | memset(acb->reserved10, 0, sizeof(acb->reserved10)); | |
1526 | memset(acb->reserved11, 0, sizeof(acb->reserved11)); | |
1527 | memset(acb->reserved12, 0, sizeof(acb->reserved12)); | |
1528 | memset(acb->reserved13, 0, sizeof(acb->reserved13)); | |
1529 | memset(acb->reserved14, 0, sizeof(acb->reserved14)); | |
1530 | memset(acb->reserved15, 0, sizeof(acb->reserved15)); | |
1531 | } | |
1532 | ||
1533 | static int | |
00c31889 | 1534 | qla4xxx_iface_set_param(struct Scsi_Host *shost, void *data, uint32_t len) |
d00efe3f MC |
1535 | { |
1536 | struct scsi_qla_host *ha = to_qla_host(shost); | |
1537 | int rval = 0; | |
1538 | struct iscsi_iface_param_info *iface_param = NULL; | |
1539 | struct addr_ctrl_blk *init_fw_cb = NULL; | |
1540 | dma_addr_t init_fw_cb_dma; | |
1541 | uint32_t mbox_cmd[MBOX_REG_COUNT]; | |
1542 | uint32_t mbox_sts[MBOX_REG_COUNT]; | |
00c31889 MC |
1543 | uint32_t rem = len; |
1544 | struct nlattr *attr; | |
d00efe3f MC |
1545 | |
1546 | init_fw_cb = dma_alloc_coherent(&ha->pdev->dev, | |
1547 | sizeof(struct addr_ctrl_blk), | |
1548 | &init_fw_cb_dma, GFP_KERNEL); | |
1549 | if (!init_fw_cb) { | |
1550 | ql4_printk(KERN_ERR, ha, "%s: Unable to alloc init_cb\n", | |
1551 | __func__); | |
1552 | return -ENOMEM; | |
1553 | } | |
1554 | ||
1555 | memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk)); | |
1556 | memset(&mbox_cmd, 0, sizeof(mbox_cmd)); | |
1557 | memset(&mbox_sts, 0, sizeof(mbox_sts)); | |
1558 | ||
1559 | if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma)) { | |
1560 | ql4_printk(KERN_ERR, ha, "%s: get ifcb failed\n", __func__); | |
1561 | rval = -EIO; | |
1562 | goto exit_init_fw_cb; | |
1563 | } | |
1564 | ||
00c31889 MC |
1565 | nla_for_each_attr(attr, data, len, rem) { |
1566 | iface_param = nla_data(attr); | |
d00efe3f MC |
1567 | |
1568 | if (iface_param->param_type != ISCSI_NET_PARAM) | |
1569 | continue; | |
1570 | ||
1571 | switch (iface_param->iface_type) { | |
1572 | case ISCSI_IFACE_TYPE_IPV4: | |
1573 | switch (iface_param->iface_num) { | |
1574 | case 0: | |
1575 | qla4xxx_set_ipv4(ha, iface_param, init_fw_cb); | |
1576 | break; | |
1577 | default: | |
1578 | /* Cannot have more than one IPv4 interface */ | |
1579 | ql4_printk(KERN_ERR, ha, "Invalid IPv4 iface " | |
1580 | "number = %d\n", | |
1581 | iface_param->iface_num); | |
1582 | break; | |
1583 | } | |
1584 | break; | |
1585 | case ISCSI_IFACE_TYPE_IPV6: | |
1586 | switch (iface_param->iface_num) { | |
1587 | case 0: | |
1588 | case 1: | |
1589 | qla4xxx_set_ipv6(ha, iface_param, init_fw_cb); | |
1590 | break; | |
1591 | default: | |
1592 | /* Cannot have more than two IPv6 interface */ | |
1593 | ql4_printk(KERN_ERR, ha, "Invalid IPv6 iface " | |
1594 | "number = %d\n", | |
1595 | iface_param->iface_num); | |
1596 | break; | |
1597 | } | |
1598 | break; | |
1599 | default: | |
1600 | ql4_printk(KERN_ERR, ha, "Invalid iface type\n"); | |
1601 | break; | |
1602 | } | |
d00efe3f MC |
1603 | } |
1604 | ||
1605 | init_fw_cb->cookie = cpu_to_le32(0x11BEAD5A); | |
1606 | ||
1607 | rval = qla4xxx_set_flash(ha, init_fw_cb_dma, FLASH_SEGMENT_IFCB, | |
1608 | sizeof(struct addr_ctrl_blk), | |
1609 | FLASH_OPT_RMW_COMMIT); | |
1610 | if (rval != QLA_SUCCESS) { | |
1611 | ql4_printk(KERN_ERR, ha, "%s: set flash mbx failed\n", | |
1612 | __func__); | |
1613 | rval = -EIO; | |
1614 | goto exit_init_fw_cb; | |
1615 | } | |
1616 | ||
ce505f9d VC |
1617 | rval = qla4xxx_disable_acb(ha); |
1618 | if (rval != QLA_SUCCESS) { | |
1619 | ql4_printk(KERN_ERR, ha, "%s: disable acb mbx failed\n", | |
1620 | __func__); | |
1621 | rval = -EIO; | |
1622 | goto exit_init_fw_cb; | |
1623 | } | |
1624 | ||
1625 | wait_for_completion_timeout(&ha->disable_acb_comp, | |
1626 | DISABLE_ACB_TOV * HZ); | |
d00efe3f MC |
1627 | |
1628 | qla4xxx_initcb_to_acb(init_fw_cb); | |
1629 | ||
1630 | rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma); | |
1631 | if (rval != QLA_SUCCESS) { | |
1632 | ql4_printk(KERN_ERR, ha, "%s: set acb mbx failed\n", | |
1633 | __func__); | |
1634 | rval = -EIO; | |
1635 | goto exit_init_fw_cb; | |
1636 | } | |
1637 | ||
1638 | memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk)); | |
1639 | qla4xxx_update_local_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb, | |
1640 | init_fw_cb_dma); | |
1641 | ||
1642 | exit_init_fw_cb: | |
1643 | dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk), | |
1644 | init_fw_cb, init_fw_cb_dma); | |
1645 | ||
1646 | return rval; | |
1647 | } | |
1648 | ||
fca9f04d MC |
1649 | static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess, |
1650 | enum iscsi_param param, char *buf) | |
1651 | { | |
1652 | struct iscsi_session *sess = cls_sess->dd_data; | |
1653 | struct ddb_entry *ddb_entry = sess->dd_data; | |
1654 | struct scsi_qla_host *ha = ddb_entry->ha; | |
97c2730c AC |
1655 | struct iscsi_cls_conn *cls_conn = ddb_entry->conn; |
1656 | struct ql4_chap_table chap_tbl; | |
fca9f04d MC |
1657 | int rval, len; |
1658 | uint16_t idx; | |
1659 | ||
97c2730c | 1660 | memset(&chap_tbl, 0, sizeof(chap_tbl)); |
fca9f04d MC |
1661 | switch (param) { |
1662 | case ISCSI_PARAM_CHAP_IN_IDX: | |
1663 | rval = qla4xxx_get_chap_index(ha, sess->username_in, | |
1664 | sess->password_in, BIDI_CHAP, | |
1665 | &idx); | |
1666 | if (rval) | |
c7a5e0d0 MR |
1667 | len = sprintf(buf, "\n"); |
1668 | else | |
1669 | len = sprintf(buf, "%hu\n", idx); | |
fca9f04d MC |
1670 | break; |
1671 | case ISCSI_PARAM_CHAP_OUT_IDX: | |
97c2730c AC |
1672 | if (ddb_entry->ddb_type == FLASH_DDB) { |
1673 | if (ddb_entry->chap_tbl_idx != INVALID_ENTRY) { | |
1674 | idx = ddb_entry->chap_tbl_idx; | |
1675 | rval = QLA_SUCCESS; | |
1676 | } else { | |
1677 | rval = QLA_ERROR; | |
1678 | } | |
1679 | } else { | |
1680 | rval = qla4xxx_get_chap_index(ha, sess->username, | |
1681 | sess->password, | |
1682 | LOCAL_CHAP, &idx); | |
1683 | } | |
fca9f04d | 1684 | if (rval) |
c7a5e0d0 MR |
1685 | len = sprintf(buf, "\n"); |
1686 | else | |
1687 | len = sprintf(buf, "%hu\n", idx); | |
fca9f04d | 1688 | break; |
97c2730c AC |
1689 | case ISCSI_PARAM_USERNAME: |
1690 | case ISCSI_PARAM_PASSWORD: | |
1691 | /* First, populate session username and password for FLASH DDB, | |
1692 | * if not already done. This happens when session login fails | |
1693 | * for a FLASH DDB. | |
1694 | */ | |
1695 | if (ddb_entry->ddb_type == FLASH_DDB && | |
1696 | ddb_entry->chap_tbl_idx != INVALID_ENTRY && | |
1697 | !sess->username && !sess->password) { | |
1698 | idx = ddb_entry->chap_tbl_idx; | |
1699 | rval = qla4xxx_get_uni_chap_at_index(ha, chap_tbl.name, | |
1700 | chap_tbl.secret, | |
1701 | idx); | |
1702 | if (!rval) { | |
1703 | iscsi_set_param(cls_conn, ISCSI_PARAM_USERNAME, | |
1704 | (char *)chap_tbl.name, | |
1705 | strlen((char *)chap_tbl.name)); | |
1706 | iscsi_set_param(cls_conn, ISCSI_PARAM_PASSWORD, | |
1707 | (char *)chap_tbl.secret, | |
1708 | chap_tbl.secret_len); | |
1709 | } | |
1710 | } | |
1711 | /* allow fall-through */ | |
fca9f04d MC |
1712 | default: |
1713 | return iscsi_session_get_param(cls_sess, param, buf); | |
1714 | } | |
1715 | ||
1716 | return len; | |
1717 | } | |
1718 | ||
b3a271a9 | 1719 | static int qla4xxx_conn_get_param(struct iscsi_cls_conn *cls_conn, |
afaf5a2d DS |
1720 | enum iscsi_param param, char *buf) |
1721 | { | |
b3a271a9 MR |
1722 | struct iscsi_conn *conn; |
1723 | struct qla_conn *qla_conn; | |
1724 | struct sockaddr *dst_addr; | |
1725 | int len = 0; | |
afaf5a2d | 1726 | |
b3a271a9 MR |
1727 | conn = cls_conn->dd_data; |
1728 | qla_conn = conn->dd_data; | |
d46bdeb1 | 1729 | dst_addr = (struct sockaddr *)&qla_conn->qla_ep->dst_addr; |
afaf5a2d DS |
1730 | |
1731 | switch (param) { | |
1732 | case ISCSI_PARAM_CONN_PORT: | |
afaf5a2d | 1733 | case ISCSI_PARAM_CONN_ADDRESS: |
b3a271a9 MR |
1734 | return iscsi_conn_get_addr_param((struct sockaddr_storage *) |
1735 | dst_addr, param, buf); | |
afaf5a2d | 1736 | default: |
b3a271a9 | 1737 | return iscsi_conn_get_param(cls_conn, param, buf); |
afaf5a2d DS |
1738 | } |
1739 | ||
1740 | return len; | |
b3a271a9 | 1741 | |
afaf5a2d DS |
1742 | } |
1743 | ||
13483730 MC |
1744 | int qla4xxx_get_ddb_index(struct scsi_qla_host *ha, uint16_t *ddb_index) |
1745 | { | |
1746 | uint32_t mbx_sts = 0; | |
1747 | uint16_t tmp_ddb_index; | |
1748 | int ret; | |
1749 | ||
1750 | get_ddb_index: | |
1751 | tmp_ddb_index = find_first_zero_bit(ha->ddb_idx_map, MAX_DDB_ENTRIES); | |
1752 | ||
1753 | if (tmp_ddb_index >= MAX_DDB_ENTRIES) { | |
1754 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
1755 | "Free DDB index not available\n")); | |
1756 | ret = QLA_ERROR; | |
1757 | goto exit_get_ddb_index; | |
1758 | } | |
1759 | ||
1760 | if (test_and_set_bit(tmp_ddb_index, ha->ddb_idx_map)) | |
1761 | goto get_ddb_index; | |
1762 | ||
1763 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
1764 | "Found a free DDB index at %d\n", tmp_ddb_index)); | |
1765 | ret = qla4xxx_req_ddb_entry(ha, tmp_ddb_index, &mbx_sts); | |
1766 | if (ret == QLA_ERROR) { | |
1767 | if (mbx_sts == MBOX_STS_COMMAND_ERROR) { | |
1768 | ql4_printk(KERN_INFO, ha, | |
1769 | "DDB index = %d not available trying next\n", | |
1770 | tmp_ddb_index); | |
1771 | goto get_ddb_index; | |
1772 | } | |
1773 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
1774 | "Free FW DDB not available\n")); | |
1775 | } | |
1776 | ||
1777 | *ddb_index = tmp_ddb_index; | |
1778 | ||
1779 | exit_get_ddb_index: | |
1780 | return ret; | |
1781 | } | |
1782 | ||
1783 | static int qla4xxx_match_ipaddress(struct scsi_qla_host *ha, | |
1784 | struct ddb_entry *ddb_entry, | |
1785 | char *existing_ipaddr, | |
1786 | char *user_ipaddr) | |
1787 | { | |
1788 | uint8_t dst_ipaddr[IPv6_ADDR_LEN]; | |
1789 | char formatted_ipaddr[DDB_IPADDR_LEN]; | |
1790 | int status = QLA_SUCCESS, ret = 0; | |
1791 | ||
1792 | if (ddb_entry->fw_ddb_entry.options & DDB_OPT_IPV6_DEVICE) { | |
1793 | ret = in6_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr, | |
1794 | '\0', NULL); | |
1795 | if (ret == 0) { | |
1796 | status = QLA_ERROR; | |
1797 | goto out_match; | |
1798 | } | |
1799 | ret = sprintf(formatted_ipaddr, "%pI6", dst_ipaddr); | |
1800 | } else { | |
1801 | ret = in4_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr, | |
1802 | '\0', NULL); | |
1803 | if (ret == 0) { | |
1804 | status = QLA_ERROR; | |
1805 | goto out_match; | |
1806 | } | |
1807 | ret = sprintf(formatted_ipaddr, "%pI4", dst_ipaddr); | |
1808 | } | |
1809 | ||
1810 | if (strcmp(existing_ipaddr, formatted_ipaddr)) | |
1811 | status = QLA_ERROR; | |
1812 | ||
1813 | out_match: | |
1814 | return status; | |
1815 | } | |
1816 | ||
1817 | static int qla4xxx_match_fwdb_session(struct scsi_qla_host *ha, | |
1818 | struct iscsi_cls_conn *cls_conn) | |
1819 | { | |
1820 | int idx = 0, max_ddbs, rval; | |
1821 | struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); | |
1822 | struct iscsi_session *sess, *existing_sess; | |
1823 | struct iscsi_conn *conn, *existing_conn; | |
1824 | struct ddb_entry *ddb_entry; | |
1825 | ||
1826 | sess = cls_sess->dd_data; | |
1827 | conn = cls_conn->dd_data; | |
1828 | ||
1829 | if (sess->targetname == NULL || | |
1830 | conn->persistent_address == NULL || | |
1831 | conn->persistent_port == 0) | |
1832 | return QLA_ERROR; | |
1833 | ||
1834 | max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : | |
1835 | MAX_DEV_DB_ENTRIES; | |
1836 | ||
1837 | for (idx = 0; idx < max_ddbs; idx++) { | |
1838 | ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); | |
1839 | if (ddb_entry == NULL) | |
1840 | continue; | |
1841 | ||
1842 | if (ddb_entry->ddb_type != FLASH_DDB) | |
1843 | continue; | |
1844 | ||
1845 | existing_sess = ddb_entry->sess->dd_data; | |
1846 | existing_conn = ddb_entry->conn->dd_data; | |
1847 | ||
1848 | if (existing_sess->targetname == NULL || | |
1849 | existing_conn->persistent_address == NULL || | |
1850 | existing_conn->persistent_port == 0) | |
1851 | continue; | |
1852 | ||
1853 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
1854 | "IQN = %s User IQN = %s\n", | |
1855 | existing_sess->targetname, | |
1856 | sess->targetname)); | |
1857 | ||
1858 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
1859 | "IP = %s User IP = %s\n", | |
1860 | existing_conn->persistent_address, | |
1861 | conn->persistent_address)); | |
1862 | ||
1863 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
1864 | "Port = %d User Port = %d\n", | |
1865 | existing_conn->persistent_port, | |
1866 | conn->persistent_port)); | |
1867 | ||
1868 | if (strcmp(existing_sess->targetname, sess->targetname)) | |
1869 | continue; | |
1870 | rval = qla4xxx_match_ipaddress(ha, ddb_entry, | |
1871 | existing_conn->persistent_address, | |
1872 | conn->persistent_address); | |
1873 | if (rval == QLA_ERROR) | |
1874 | continue; | |
1875 | if (existing_conn->persistent_port != conn->persistent_port) | |
1876 | continue; | |
1877 | break; | |
1878 | } | |
1879 | ||
1880 | if (idx == max_ddbs) | |
1881 | return QLA_ERROR; | |
1882 | ||
1883 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
1884 | "Match found in fwdb sessions\n")); | |
1885 | return QLA_SUCCESS; | |
1886 | } | |
1887 | ||
b3a271a9 MR |
1888 | static struct iscsi_cls_session * |
1889 | qla4xxx_session_create(struct iscsi_endpoint *ep, | |
1890 | uint16_t cmds_max, uint16_t qdepth, | |
1891 | uint32_t initial_cmdsn) | |
1892 | { | |
1893 | struct iscsi_cls_session *cls_sess; | |
1894 | struct scsi_qla_host *ha; | |
1895 | struct qla_endpoint *qla_ep; | |
1896 | struct ddb_entry *ddb_entry; | |
13483730 | 1897 | uint16_t ddb_index; |
b3a271a9 MR |
1898 | struct iscsi_session *sess; |
1899 | struct sockaddr *dst_addr; | |
1900 | int ret; | |
1901 | ||
1902 | DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); | |
1903 | if (!ep) { | |
1904 | printk(KERN_ERR "qla4xxx: missing ep.\n"); | |
1905 | return NULL; | |
1906 | } | |
1907 | ||
1908 | qla_ep = ep->dd_data; | |
1909 | dst_addr = (struct sockaddr *)&qla_ep->dst_addr; | |
1910 | ha = to_qla_host(qla_ep->host); | |
736cf369 | 1911 | |
13483730 MC |
1912 | ret = qla4xxx_get_ddb_index(ha, &ddb_index); |
1913 | if (ret == QLA_ERROR) | |
b3a271a9 | 1914 | return NULL; |
b3a271a9 MR |
1915 | |
1916 | cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, qla_ep->host, | |
1917 | cmds_max, sizeof(struct ddb_entry), | |
1918 | sizeof(struct ql4_task_data), | |
1919 | initial_cmdsn, ddb_index); | |
1920 | if (!cls_sess) | |
1921 | return NULL; | |
1922 | ||
1923 | sess = cls_sess->dd_data; | |
1924 | ddb_entry = sess->dd_data; | |
1925 | ddb_entry->fw_ddb_index = ddb_index; | |
1926 | ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE; | |
1927 | ddb_entry->ha = ha; | |
1928 | ddb_entry->sess = cls_sess; | |
13483730 MC |
1929 | ddb_entry->unblock_sess = qla4xxx_unblock_ddb; |
1930 | ddb_entry->ddb_change = qla4xxx_ddb_change; | |
b3a271a9 MR |
1931 | cls_sess->recovery_tmo = ql4xsess_recovery_tmo; |
1932 | ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = ddb_entry; | |
1933 | ha->tot_ddbs++; | |
1934 | ||
1935 | return cls_sess; | |
1936 | } | |
1937 | ||
1938 | static void qla4xxx_session_destroy(struct iscsi_cls_session *cls_sess) | |
1939 | { | |
1940 | struct iscsi_session *sess; | |
1941 | struct ddb_entry *ddb_entry; | |
1942 | struct scsi_qla_host *ha; | |
90599b62 MR |
1943 | unsigned long flags, wtime; |
1944 | struct dev_db_entry *fw_ddb_entry = NULL; | |
1945 | dma_addr_t fw_ddb_entry_dma; | |
1946 | uint32_t ddb_state; | |
1947 | int ret; | |
b3a271a9 MR |
1948 | |
1949 | DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); | |
1950 | sess = cls_sess->dd_data; | |
1951 | ddb_entry = sess->dd_data; | |
1952 | ha = ddb_entry->ha; | |
1953 | ||
90599b62 MR |
1954 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
1955 | &fw_ddb_entry_dma, GFP_KERNEL); | |
1956 | if (!fw_ddb_entry) { | |
1957 | ql4_printk(KERN_ERR, ha, | |
1958 | "%s: Unable to allocate dma buffer\n", __func__); | |
1959 | goto destroy_session; | |
1960 | } | |
1961 | ||
1962 | wtime = jiffies + (HZ * LOGOUT_TOV); | |
1963 | do { | |
1964 | ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, | |
1965 | fw_ddb_entry, fw_ddb_entry_dma, | |
1966 | NULL, NULL, &ddb_state, NULL, | |
1967 | NULL, NULL); | |
1968 | if (ret == QLA_ERROR) | |
1969 | goto destroy_session; | |
1970 | ||
1971 | if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) || | |
1972 | (ddb_state == DDB_DS_SESSION_FAILED)) | |
1973 | goto destroy_session; | |
1974 | ||
1975 | schedule_timeout_uninterruptible(HZ); | |
1976 | } while ((time_after(wtime, jiffies))); | |
1977 | ||
1978 | destroy_session: | |
736cf369 MR |
1979 | qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); |
1980 | ||
b3a271a9 MR |
1981 | spin_lock_irqsave(&ha->hardware_lock, flags); |
1982 | qla4xxx_free_ddb(ha, ddb_entry); | |
1983 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
90599b62 | 1984 | |
b3a271a9 | 1985 | iscsi_session_teardown(cls_sess); |
90599b62 MR |
1986 | |
1987 | if (fw_ddb_entry) | |
1988 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
1989 | fw_ddb_entry, fw_ddb_entry_dma); | |
b3a271a9 MR |
1990 | } |
1991 | ||
b3a271a9 MR |
1992 | static struct iscsi_cls_conn * |
1993 | qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx) | |
1994 | { | |
1995 | struct iscsi_cls_conn *cls_conn; | |
1996 | struct iscsi_session *sess; | |
1997 | struct ddb_entry *ddb_entry; | |
1998 | ||
1999 | DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); | |
2000 | cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn), | |
2001 | conn_idx); | |
ff1d0319 MC |
2002 | if (!cls_conn) |
2003 | return NULL; | |
2004 | ||
b3a271a9 MR |
2005 | sess = cls_sess->dd_data; |
2006 | ddb_entry = sess->dd_data; | |
2007 | ddb_entry->conn = cls_conn; | |
2008 | ||
2009 | return cls_conn; | |
2010 | } | |
2011 | ||
2012 | static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session, | |
2013 | struct iscsi_cls_conn *cls_conn, | |
2014 | uint64_t transport_fd, int is_leading) | |
2015 | { | |
2016 | struct iscsi_conn *conn; | |
2017 | struct qla_conn *qla_conn; | |
2018 | struct iscsi_endpoint *ep; | |
2019 | ||
2020 | DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); | |
2021 | ||
2022 | if (iscsi_conn_bind(cls_session, cls_conn, is_leading)) | |
2023 | return -EINVAL; | |
2024 | ep = iscsi_lookup_endpoint(transport_fd); | |
2025 | conn = cls_conn->dd_data; | |
2026 | qla_conn = conn->dd_data; | |
2027 | qla_conn->qla_ep = ep->dd_data; | |
2028 | return 0; | |
2029 | } | |
2030 | ||
2031 | static int qla4xxx_conn_start(struct iscsi_cls_conn *cls_conn) | |
2032 | { | |
2033 | struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); | |
2034 | struct iscsi_session *sess; | |
2035 | struct ddb_entry *ddb_entry; | |
2036 | struct scsi_qla_host *ha; | |
13483730 | 2037 | struct dev_db_entry *fw_ddb_entry = NULL; |
b3a271a9 | 2038 | dma_addr_t fw_ddb_entry_dma; |
b3a271a9 MR |
2039 | uint32_t mbx_sts = 0; |
2040 | int ret = 0; | |
2041 | int status = QLA_SUCCESS; | |
2042 | ||
2043 | DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); | |
2044 | sess = cls_sess->dd_data; | |
2045 | ddb_entry = sess->dd_data; | |
2046 | ha = ddb_entry->ha; | |
2047 | ||
13483730 MC |
2048 | /* Check if we have matching FW DDB, if yes then do not |
2049 | * login to this target. This could cause target to logout previous | |
2050 | * connection | |
2051 | */ | |
2052 | ret = qla4xxx_match_fwdb_session(ha, cls_conn); | |
2053 | if (ret == QLA_SUCCESS) { | |
2054 | ql4_printk(KERN_INFO, ha, | |
2055 | "Session already exist in FW.\n"); | |
2056 | ret = -EEXIST; | |
2057 | goto exit_conn_start; | |
2058 | } | |
2059 | ||
b3a271a9 MR |
2060 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
2061 | &fw_ddb_entry_dma, GFP_KERNEL); | |
2062 | if (!fw_ddb_entry) { | |
2063 | ql4_printk(KERN_ERR, ha, | |
2064 | "%s: Unable to allocate dma buffer\n", __func__); | |
13483730 MC |
2065 | ret = -ENOMEM; |
2066 | goto exit_conn_start; | |
b3a271a9 MR |
2067 | } |
2068 | ||
2069 | ret = qla4xxx_set_param_ddbentry(ha, ddb_entry, cls_conn, &mbx_sts); | |
2070 | if (ret) { | |
2071 | /* If iscsid is stopped and started then no need to do | |
2072 | * set param again since ddb state will be already | |
2073 | * active and FW does not allow set ddb to an | |
2074 | * active session. | |
2075 | */ | |
2076 | if (mbx_sts) | |
2077 | if (ddb_entry->fw_ddb_device_state == | |
f922da79 | 2078 | DDB_DS_SESSION_ACTIVE) { |
13483730 | 2079 | ddb_entry->unblock_sess(ddb_entry->sess); |
b3a271a9 | 2080 | goto exit_set_param; |
f922da79 | 2081 | } |
b3a271a9 MR |
2082 | |
2083 | ql4_printk(KERN_ERR, ha, "%s: Failed set param for index[%d]\n", | |
2084 | __func__, ddb_entry->fw_ddb_index); | |
2085 | goto exit_conn_start; | |
2086 | } | |
2087 | ||
2088 | status = qla4xxx_conn_open(ha, ddb_entry->fw_ddb_index); | |
2089 | if (status == QLA_ERROR) { | |
0e7e8501 MR |
2090 | ql4_printk(KERN_ERR, ha, "%s: Login failed: %s\n", __func__, |
2091 | sess->targetname); | |
b3a271a9 MR |
2092 | ret = -EINVAL; |
2093 | goto exit_conn_start; | |
2094 | } | |
2095 | ||
98270ab4 MR |
2096 | if (ddb_entry->fw_ddb_device_state == DDB_DS_NO_CONNECTION_ACTIVE) |
2097 | ddb_entry->fw_ddb_device_state = DDB_DS_LOGIN_IN_PROCESS; | |
2098 | ||
2099 | DEBUG2(printk(KERN_INFO "%s: DDB state [%d]\n", __func__, | |
2100 | ddb_entry->fw_ddb_device_state)); | |
b3a271a9 MR |
2101 | |
2102 | exit_set_param: | |
b3a271a9 MR |
2103 | ret = 0; |
2104 | ||
2105 | exit_conn_start: | |
13483730 MC |
2106 | if (fw_ddb_entry) |
2107 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
2108 | fw_ddb_entry, fw_ddb_entry_dma); | |
b3a271a9 MR |
2109 | return ret; |
2110 | } | |
2111 | ||
2112 | static void qla4xxx_conn_destroy(struct iscsi_cls_conn *cls_conn) | |
2113 | { | |
2114 | struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); | |
2115 | struct iscsi_session *sess; | |
2116 | struct scsi_qla_host *ha; | |
2117 | struct ddb_entry *ddb_entry; | |
2118 | int options; | |
2119 | ||
2120 | DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); | |
2121 | sess = cls_sess->dd_data; | |
2122 | ddb_entry = sess->dd_data; | |
2123 | ha = ddb_entry->ha; | |
2124 | ||
2125 | options = LOGOUT_OPTION_CLOSE_SESSION; | |
2126 | if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) == QLA_ERROR) | |
2127 | ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", __func__); | |
b3a271a9 MR |
2128 | } |
2129 | ||
2130 | static void qla4xxx_task_work(struct work_struct *wdata) | |
2131 | { | |
2132 | struct ql4_task_data *task_data; | |
2133 | struct scsi_qla_host *ha; | |
2134 | struct passthru_status *sts; | |
2135 | struct iscsi_task *task; | |
2136 | struct iscsi_hdr *hdr; | |
2137 | uint8_t *data; | |
2138 | uint32_t data_len; | |
2139 | struct iscsi_conn *conn; | |
2140 | int hdr_len; | |
2141 | itt_t itt; | |
2142 | ||
2143 | task_data = container_of(wdata, struct ql4_task_data, task_work); | |
2144 | ha = task_data->ha; | |
2145 | task = task_data->task; | |
2146 | sts = &task_data->sts; | |
2147 | hdr_len = sizeof(struct iscsi_hdr); | |
2148 | ||
2149 | DEBUG3(printk(KERN_INFO "Status returned\n")); | |
2150 | DEBUG3(qla4xxx_dump_buffer(sts, 64)); | |
2151 | DEBUG3(printk(KERN_INFO "Response buffer")); | |
2152 | DEBUG3(qla4xxx_dump_buffer(task_data->resp_buffer, 64)); | |
2153 | ||
2154 | conn = task->conn; | |
2155 | ||
2156 | switch (sts->completionStatus) { | |
2157 | case PASSTHRU_STATUS_COMPLETE: | |
2158 | hdr = (struct iscsi_hdr *)task_data->resp_buffer; | |
2159 | /* Assign back the itt in hdr, until we use the PREASSIGN_TAG */ | |
2160 | itt = sts->handle; | |
2161 | hdr->itt = itt; | |
2162 | data = task_data->resp_buffer + hdr_len; | |
2163 | data_len = task_data->resp_len - hdr_len; | |
2164 | iscsi_complete_pdu(conn, hdr, data, data_len); | |
2165 | break; | |
2166 | default: | |
2167 | ql4_printk(KERN_ERR, ha, "Passthru failed status = 0x%x\n", | |
2168 | sts->completionStatus); | |
2169 | break; | |
2170 | } | |
2171 | return; | |
2172 | } | |
2173 | ||
2174 | static int qla4xxx_alloc_pdu(struct iscsi_task *task, uint8_t opcode) | |
2175 | { | |
2176 | struct ql4_task_data *task_data; | |
2177 | struct iscsi_session *sess; | |
2178 | struct ddb_entry *ddb_entry; | |
2179 | struct scsi_qla_host *ha; | |
2180 | int hdr_len; | |
2181 | ||
2182 | sess = task->conn->session; | |
2183 | ddb_entry = sess->dd_data; | |
2184 | ha = ddb_entry->ha; | |
2185 | task_data = task->dd_data; | |
2186 | memset(task_data, 0, sizeof(struct ql4_task_data)); | |
2187 | ||
2188 | if (task->sc) { | |
2189 | ql4_printk(KERN_INFO, ha, | |
2190 | "%s: SCSI Commands not implemented\n", __func__); | |
2191 | return -EINVAL; | |
2192 | } | |
2193 | ||
2194 | hdr_len = sizeof(struct iscsi_hdr); | |
2195 | task_data->ha = ha; | |
2196 | task_data->task = task; | |
2197 | ||
2198 | if (task->data_count) { | |
2199 | task_data->data_dma = dma_map_single(&ha->pdev->dev, task->data, | |
2200 | task->data_count, | |
2201 | PCI_DMA_TODEVICE); | |
2202 | } | |
2203 | ||
2204 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n", | |
2205 | __func__, task->conn->max_recv_dlength, hdr_len)); | |
2206 | ||
69ca216e | 2207 | task_data->resp_len = task->conn->max_recv_dlength + hdr_len; |
b3a271a9 MR |
2208 | task_data->resp_buffer = dma_alloc_coherent(&ha->pdev->dev, |
2209 | task_data->resp_len, | |
2210 | &task_data->resp_dma, | |
2211 | GFP_ATOMIC); | |
2212 | if (!task_data->resp_buffer) | |
2213 | goto exit_alloc_pdu; | |
2214 | ||
69ca216e | 2215 | task_data->req_len = task->data_count + hdr_len; |
b3a271a9 | 2216 | task_data->req_buffer = dma_alloc_coherent(&ha->pdev->dev, |
69ca216e | 2217 | task_data->req_len, |
b3a271a9 MR |
2218 | &task_data->req_dma, |
2219 | GFP_ATOMIC); | |
2220 | if (!task_data->req_buffer) | |
2221 | goto exit_alloc_pdu; | |
2222 | ||
2223 | task->hdr = task_data->req_buffer; | |
2224 | ||
2225 | INIT_WORK(&task_data->task_work, qla4xxx_task_work); | |
2226 | ||
2227 | return 0; | |
2228 | ||
2229 | exit_alloc_pdu: | |
2230 | if (task_data->resp_buffer) | |
2231 | dma_free_coherent(&ha->pdev->dev, task_data->resp_len, | |
2232 | task_data->resp_buffer, task_data->resp_dma); | |
2233 | ||
2234 | if (task_data->req_buffer) | |
69ca216e | 2235 | dma_free_coherent(&ha->pdev->dev, task_data->req_len, |
b3a271a9 MR |
2236 | task_data->req_buffer, task_data->req_dma); |
2237 | return -ENOMEM; | |
2238 | } | |
2239 | ||
2240 | static void qla4xxx_task_cleanup(struct iscsi_task *task) | |
2241 | { | |
2242 | struct ql4_task_data *task_data; | |
2243 | struct iscsi_session *sess; | |
2244 | struct ddb_entry *ddb_entry; | |
2245 | struct scsi_qla_host *ha; | |
2246 | int hdr_len; | |
2247 | ||
2248 | hdr_len = sizeof(struct iscsi_hdr); | |
2249 | sess = task->conn->session; | |
2250 | ddb_entry = sess->dd_data; | |
2251 | ha = ddb_entry->ha; | |
2252 | task_data = task->dd_data; | |
2253 | ||
2254 | if (task->data_count) { | |
2255 | dma_unmap_single(&ha->pdev->dev, task_data->data_dma, | |
2256 | task->data_count, PCI_DMA_TODEVICE); | |
2257 | } | |
2258 | ||
2259 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n", | |
2260 | __func__, task->conn->max_recv_dlength, hdr_len)); | |
2261 | ||
2262 | dma_free_coherent(&ha->pdev->dev, task_data->resp_len, | |
2263 | task_data->resp_buffer, task_data->resp_dma); | |
69ca216e | 2264 | dma_free_coherent(&ha->pdev->dev, task_data->req_len, |
b3a271a9 MR |
2265 | task_data->req_buffer, task_data->req_dma); |
2266 | return; | |
2267 | } | |
2268 | ||
2269 | static int qla4xxx_task_xmit(struct iscsi_task *task) | |
2270 | { | |
2271 | struct scsi_cmnd *sc = task->sc; | |
2272 | struct iscsi_session *sess = task->conn->session; | |
2273 | struct ddb_entry *ddb_entry = sess->dd_data; | |
2274 | struct scsi_qla_host *ha = ddb_entry->ha; | |
2275 | ||
2276 | if (!sc) | |
2277 | return qla4xxx_send_passthru0(task); | |
2278 | ||
2279 | ql4_printk(KERN_INFO, ha, "%s: scsi cmd xmit not implemented\n", | |
2280 | __func__); | |
2281 | return -ENOSYS; | |
2282 | } | |
2283 | ||
1e9e2be3 AC |
2284 | static int qla4xxx_copy_from_fwddb_param(struct iscsi_bus_flash_session *sess, |
2285 | struct iscsi_bus_flash_conn *conn, | |
2286 | struct dev_db_entry *fw_ddb_entry) | |
2287 | { | |
2288 | unsigned long options = 0; | |
2289 | int rc = 0; | |
2290 | ||
2291 | options = le16_to_cpu(fw_ddb_entry->options); | |
2292 | conn->is_fw_assigned_ipv6 = test_bit(OPT_IS_FW_ASSIGNED_IPV6, &options); | |
2293 | if (test_bit(OPT_IPV6_DEVICE, &options)) { | |
c962c18b AC |
2294 | rc = iscsi_switch_str_param(&sess->portal_type, |
2295 | PORTAL_TYPE_IPV6); | |
1e9e2be3 AC |
2296 | if (rc) |
2297 | goto exit_copy; | |
2298 | } else { | |
c962c18b AC |
2299 | rc = iscsi_switch_str_param(&sess->portal_type, |
2300 | PORTAL_TYPE_IPV4); | |
1e9e2be3 AC |
2301 | if (rc) |
2302 | goto exit_copy; | |
2303 | } | |
2304 | ||
2305 | sess->auto_snd_tgt_disable = test_bit(OPT_AUTO_SENDTGTS_DISABLE, | |
2306 | &options); | |
2307 | sess->discovery_sess = test_bit(OPT_DISC_SESSION, &options); | |
2308 | sess->entry_state = test_bit(OPT_ENTRY_STATE, &options); | |
2309 | ||
2310 | options = le16_to_cpu(fw_ddb_entry->iscsi_options); | |
2311 | conn->hdrdgst_en = test_bit(ISCSIOPT_HEADER_DIGEST_EN, &options); | |
2312 | conn->datadgst_en = test_bit(ISCSIOPT_DATA_DIGEST_EN, &options); | |
2313 | sess->imm_data_en = test_bit(ISCSIOPT_IMMEDIATE_DATA_EN, &options); | |
2314 | sess->initial_r2t_en = test_bit(ISCSIOPT_INITIAL_R2T_EN, &options); | |
2315 | sess->dataseq_inorder_en = test_bit(ISCSIOPT_DATA_SEQ_IN_ORDER, | |
2316 | &options); | |
2317 | sess->pdu_inorder_en = test_bit(ISCSIOPT_DATA_PDU_IN_ORDER, &options); | |
2318 | sess->chap_auth_en = test_bit(ISCSIOPT_CHAP_AUTH_EN, &options); | |
2319 | conn->snack_req_en = test_bit(ISCSIOPT_SNACK_REQ_EN, &options); | |
2320 | sess->discovery_logout_en = test_bit(ISCSIOPT_DISCOVERY_LOGOUT_EN, | |
2321 | &options); | |
2322 | sess->bidi_chap_en = test_bit(ISCSIOPT_BIDI_CHAP_EN, &options); | |
2323 | sess->discovery_auth_optional = | |
2324 | test_bit(ISCSIOPT_DISCOVERY_AUTH_OPTIONAL, &options); | |
2325 | if (test_bit(ISCSIOPT_ERL1, &options)) | |
2326 | sess->erl |= BIT_1; | |
2327 | if (test_bit(ISCSIOPT_ERL0, &options)) | |
2328 | sess->erl |= BIT_0; | |
2329 | ||
2330 | options = le16_to_cpu(fw_ddb_entry->tcp_options); | |
2331 | conn->tcp_timestamp_stat = test_bit(TCPOPT_TIMESTAMP_STAT, &options); | |
2332 | conn->tcp_nagle_disable = test_bit(TCPOPT_NAGLE_DISABLE, &options); | |
2333 | conn->tcp_wsf_disable = test_bit(TCPOPT_WSF_DISABLE, &options); | |
2334 | if (test_bit(TCPOPT_TIMER_SCALE3, &options)) | |
2335 | conn->tcp_timer_scale |= BIT_3; | |
2336 | if (test_bit(TCPOPT_TIMER_SCALE2, &options)) | |
2337 | conn->tcp_timer_scale |= BIT_2; | |
2338 | if (test_bit(TCPOPT_TIMER_SCALE1, &options)) | |
2339 | conn->tcp_timer_scale |= BIT_1; | |
2340 | ||
2341 | conn->tcp_timer_scale >>= 1; | |
2342 | conn->tcp_timestamp_en = test_bit(TCPOPT_TIMESTAMP_EN, &options); | |
2343 | ||
2344 | options = le16_to_cpu(fw_ddb_entry->ip_options); | |
2345 | conn->fragment_disable = test_bit(IPOPT_FRAGMENT_DISABLE, &options); | |
2346 | ||
2347 | conn->max_recv_dlength = BYTE_UNITS * | |
2348 | le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len); | |
2349 | conn->max_xmit_dlength = BYTE_UNITS * | |
2350 | le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len); | |
2351 | sess->first_burst = BYTE_UNITS * | |
2352 | le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len); | |
2353 | sess->max_burst = BYTE_UNITS * | |
2354 | le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len); | |
2355 | sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t); | |
2356 | sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); | |
2357 | sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain); | |
2358 | sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); | |
2359 | conn->max_segment_size = le16_to_cpu(fw_ddb_entry->mss); | |
2360 | conn->tcp_xmit_wsf = fw_ddb_entry->tcp_xmt_wsf; | |
2361 | conn->tcp_recv_wsf = fw_ddb_entry->tcp_rcv_wsf; | |
2362 | conn->ipv6_flow_label = le16_to_cpu(fw_ddb_entry->ipv6_flow_lbl); | |
2363 | conn->keepalive_timeout = le16_to_cpu(fw_ddb_entry->ka_timeout); | |
2364 | conn->local_port = le16_to_cpu(fw_ddb_entry->lcl_port); | |
2365 | conn->statsn = le32_to_cpu(fw_ddb_entry->stat_sn); | |
2366 | conn->exp_statsn = le32_to_cpu(fw_ddb_entry->exp_stat_sn); | |
2367 | sess->discovery_parent_idx = le16_to_cpu(fw_ddb_entry->ddb_link); | |
2368 | sess->discovery_parent_type = le16_to_cpu(fw_ddb_entry->ddb_link); | |
2369 | sess->chap_out_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); | |
2370 | sess->tsid = le16_to_cpu(fw_ddb_entry->tsid); | |
2371 | ||
2372 | sess->default_taskmgmt_timeout = | |
2373 | le16_to_cpu(fw_ddb_entry->def_timeout); | |
2374 | conn->port = le16_to_cpu(fw_ddb_entry->port); | |
2375 | ||
2376 | options = le16_to_cpu(fw_ddb_entry->options); | |
2377 | conn->ipaddress = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL); | |
2378 | if (!conn->ipaddress) { | |
2379 | rc = -ENOMEM; | |
2380 | goto exit_copy; | |
2381 | } | |
2382 | ||
2383 | conn->redirect_ipaddr = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL); | |
2384 | if (!conn->redirect_ipaddr) { | |
2385 | rc = -ENOMEM; | |
2386 | goto exit_copy; | |
2387 | } | |
2388 | ||
2389 | memcpy(conn->ipaddress, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN); | |
2390 | memcpy(conn->redirect_ipaddr, fw_ddb_entry->tgt_addr, IPv6_ADDR_LEN); | |
2391 | ||
2392 | if (test_bit(OPT_IPV6_DEVICE, &options)) { | |
2393 | conn->ipv6_traffic_class = fw_ddb_entry->ipv4_tos; | |
2394 | ||
2395 | conn->link_local_ipv6_addr = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL); | |
2396 | if (!conn->link_local_ipv6_addr) { | |
2397 | rc = -ENOMEM; | |
2398 | goto exit_copy; | |
2399 | } | |
2400 | ||
2401 | memcpy(conn->link_local_ipv6_addr, | |
2402 | fw_ddb_entry->link_local_ipv6_addr, IPv6_ADDR_LEN); | |
2403 | } else { | |
2404 | conn->ipv4_tos = fw_ddb_entry->ipv4_tos; | |
2405 | } | |
2406 | ||
2407 | if (fw_ddb_entry->iscsi_name[0]) { | |
2408 | rc = iscsi_switch_str_param(&sess->targetname, | |
2409 | (char *)fw_ddb_entry->iscsi_name); | |
2410 | if (rc) | |
2411 | goto exit_copy; | |
2412 | } | |
2413 | ||
2414 | if (fw_ddb_entry->iscsi_alias[0]) { | |
2415 | rc = iscsi_switch_str_param(&sess->targetalias, | |
2416 | (char *)fw_ddb_entry->iscsi_alias); | |
2417 | if (rc) | |
2418 | goto exit_copy; | |
2419 | } | |
2420 | ||
2421 | COPY_ISID(sess->isid, fw_ddb_entry->isid); | |
2422 | ||
2423 | exit_copy: | |
2424 | return rc; | |
2425 | } | |
2426 | ||
2427 | static int qla4xxx_copy_to_fwddb_param(struct iscsi_bus_flash_session *sess, | |
2428 | struct iscsi_bus_flash_conn *conn, | |
2429 | struct dev_db_entry *fw_ddb_entry) | |
2430 | { | |
2431 | uint16_t options; | |
2432 | int rc = 0; | |
2433 | ||
2434 | options = le16_to_cpu(fw_ddb_entry->options); | |
2435 | SET_BITVAL(conn->is_fw_assigned_ipv6, options, BIT_11); | |
c962c18b | 2436 | if (!strncmp(sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
1e9e2be3 AC |
2437 | options |= BIT_8; |
2438 | else | |
2439 | options &= ~BIT_8; | |
2440 | ||
2441 | SET_BITVAL(sess->auto_snd_tgt_disable, options, BIT_6); | |
2442 | SET_BITVAL(sess->discovery_sess, options, BIT_4); | |
2443 | SET_BITVAL(sess->entry_state, options, BIT_3); | |
2444 | fw_ddb_entry->options = cpu_to_le16(options); | |
2445 | ||
2446 | options = le16_to_cpu(fw_ddb_entry->iscsi_options); | |
2447 | SET_BITVAL(conn->hdrdgst_en, options, BIT_13); | |
2448 | SET_BITVAL(conn->datadgst_en, options, BIT_12); | |
2449 | SET_BITVAL(sess->imm_data_en, options, BIT_11); | |
2450 | SET_BITVAL(sess->initial_r2t_en, options, BIT_10); | |
2451 | SET_BITVAL(sess->dataseq_inorder_en, options, BIT_9); | |
2452 | SET_BITVAL(sess->pdu_inorder_en, options, BIT_8); | |
2453 | SET_BITVAL(sess->chap_auth_en, options, BIT_7); | |
2454 | SET_BITVAL(conn->snack_req_en, options, BIT_6); | |
2455 | SET_BITVAL(sess->discovery_logout_en, options, BIT_5); | |
2456 | SET_BITVAL(sess->bidi_chap_en, options, BIT_4); | |
2457 | SET_BITVAL(sess->discovery_auth_optional, options, BIT_3); | |
2458 | SET_BITVAL(sess->erl & BIT_1, options, BIT_1); | |
2459 | SET_BITVAL(sess->erl & BIT_0, options, BIT_0); | |
2460 | fw_ddb_entry->iscsi_options = cpu_to_le16(options); | |
2461 | ||
2462 | options = le16_to_cpu(fw_ddb_entry->tcp_options); | |
2463 | SET_BITVAL(conn->tcp_timestamp_stat, options, BIT_6); | |
2464 | SET_BITVAL(conn->tcp_nagle_disable, options, BIT_5); | |
2465 | SET_BITVAL(conn->tcp_wsf_disable, options, BIT_4); | |
2466 | SET_BITVAL(conn->tcp_timer_scale & BIT_2, options, BIT_3); | |
2467 | SET_BITVAL(conn->tcp_timer_scale & BIT_1, options, BIT_2); | |
2468 | SET_BITVAL(conn->tcp_timer_scale & BIT_0, options, BIT_1); | |
2469 | SET_BITVAL(conn->tcp_timestamp_en, options, BIT_0); | |
2470 | fw_ddb_entry->tcp_options = cpu_to_le16(options); | |
2471 | ||
2472 | options = le16_to_cpu(fw_ddb_entry->ip_options); | |
2473 | SET_BITVAL(conn->fragment_disable, options, BIT_4); | |
2474 | fw_ddb_entry->ip_options = cpu_to_le16(options); | |
2475 | ||
2476 | fw_ddb_entry->iscsi_max_outsnd_r2t = cpu_to_le16(sess->max_r2t); | |
2477 | fw_ddb_entry->iscsi_max_rcv_data_seg_len = | |
2478 | cpu_to_le16(conn->max_recv_dlength / BYTE_UNITS); | |
2479 | fw_ddb_entry->iscsi_max_snd_data_seg_len = | |
2480 | cpu_to_le16(conn->max_xmit_dlength / BYTE_UNITS); | |
2481 | fw_ddb_entry->iscsi_first_burst_len = | |
2482 | cpu_to_le16(sess->first_burst / BYTE_UNITS); | |
2483 | fw_ddb_entry->iscsi_max_burst_len = cpu_to_le16(sess->max_burst / | |
2484 | BYTE_UNITS); | |
2485 | fw_ddb_entry->iscsi_def_time2wait = cpu_to_le16(sess->time2wait); | |
2486 | fw_ddb_entry->iscsi_def_time2retain = cpu_to_le16(sess->time2retain); | |
2487 | fw_ddb_entry->tgt_portal_grp = cpu_to_le16(sess->tpgt); | |
2488 | fw_ddb_entry->mss = cpu_to_le16(conn->max_segment_size); | |
fbcd4836 AC |
2489 | fw_ddb_entry->tcp_xmt_wsf = (uint8_t) cpu_to_le32(conn->tcp_xmit_wsf); |
2490 | fw_ddb_entry->tcp_rcv_wsf = (uint8_t) cpu_to_le32(conn->tcp_recv_wsf); | |
1e9e2be3 AC |
2491 | fw_ddb_entry->ipv6_flow_lbl = cpu_to_le16(conn->ipv6_flow_label); |
2492 | fw_ddb_entry->ka_timeout = cpu_to_le16(conn->keepalive_timeout); | |
2493 | fw_ddb_entry->lcl_port = cpu_to_le16(conn->local_port); | |
fbcd4836 AC |
2494 | fw_ddb_entry->stat_sn = cpu_to_le32(conn->statsn); |
2495 | fw_ddb_entry->exp_stat_sn = cpu_to_le32(conn->exp_statsn); | |
65560166 | 2496 | fw_ddb_entry->ddb_link = cpu_to_le16(sess->discovery_parent_idx); |
1e9e2be3 AC |
2497 | fw_ddb_entry->chap_tbl_idx = cpu_to_le16(sess->chap_out_idx); |
2498 | fw_ddb_entry->tsid = cpu_to_le16(sess->tsid); | |
2499 | fw_ddb_entry->port = cpu_to_le16(conn->port); | |
2500 | fw_ddb_entry->def_timeout = | |
2501 | cpu_to_le16(sess->default_taskmgmt_timeout); | |
2502 | ||
84595802 AC |
2503 | if (!strncmp(sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
2504 | fw_ddb_entry->ipv4_tos = conn->ipv6_traffic_class; | |
2505 | else | |
2506 | fw_ddb_entry->ipv4_tos = conn->ipv4_tos; | |
2507 | ||
1e9e2be3 AC |
2508 | if (conn->ipaddress) |
2509 | memcpy(fw_ddb_entry->ip_addr, conn->ipaddress, | |
2510 | sizeof(fw_ddb_entry->ip_addr)); | |
2511 | ||
2512 | if (conn->redirect_ipaddr) | |
2513 | memcpy(fw_ddb_entry->tgt_addr, conn->redirect_ipaddr, | |
2514 | sizeof(fw_ddb_entry->tgt_addr)); | |
2515 | ||
2516 | if (conn->link_local_ipv6_addr) | |
2517 | memcpy(fw_ddb_entry->link_local_ipv6_addr, | |
2518 | conn->link_local_ipv6_addr, | |
2519 | sizeof(fw_ddb_entry->link_local_ipv6_addr)); | |
2520 | ||
2521 | if (sess->targetname) | |
2522 | memcpy(fw_ddb_entry->iscsi_name, sess->targetname, | |
2523 | sizeof(fw_ddb_entry->iscsi_name)); | |
2524 | ||
2525 | if (sess->targetalias) | |
2526 | memcpy(fw_ddb_entry->iscsi_alias, sess->targetalias, | |
2527 | sizeof(fw_ddb_entry->iscsi_alias)); | |
2528 | ||
2529 | COPY_ISID(fw_ddb_entry->isid, sess->isid); | |
2530 | ||
2531 | return rc; | |
2532 | } | |
2533 | ||
8cc91d42 AC |
2534 | static void qla4xxx_copy_to_sess_conn_params(struct iscsi_conn *conn, |
2535 | struct iscsi_session *sess, | |
2536 | struct dev_db_entry *fw_ddb_entry) | |
2537 | { | |
2538 | unsigned long options = 0; | |
2539 | uint16_t ddb_link; | |
2540 | uint16_t disc_parent; | |
2541 | ||
2542 | options = le16_to_cpu(fw_ddb_entry->options); | |
2543 | conn->is_fw_assigned_ipv6 = test_bit(OPT_IS_FW_ASSIGNED_IPV6, &options); | |
2544 | sess->auto_snd_tgt_disable = test_bit(OPT_AUTO_SENDTGTS_DISABLE, | |
2545 | &options); | |
2546 | sess->discovery_sess = test_bit(OPT_DISC_SESSION, &options); | |
2547 | ||
2548 | options = le16_to_cpu(fw_ddb_entry->iscsi_options); | |
2549 | conn->hdrdgst_en = test_bit(ISCSIOPT_HEADER_DIGEST_EN, &options); | |
2550 | conn->datadgst_en = test_bit(ISCSIOPT_DATA_DIGEST_EN, &options); | |
2551 | sess->imm_data_en = test_bit(ISCSIOPT_IMMEDIATE_DATA_EN, &options); | |
2552 | sess->initial_r2t_en = test_bit(ISCSIOPT_INITIAL_R2T_EN, &options); | |
2553 | sess->dataseq_inorder_en = test_bit(ISCSIOPT_DATA_SEQ_IN_ORDER, | |
2554 | &options); | |
2555 | sess->pdu_inorder_en = test_bit(ISCSIOPT_DATA_PDU_IN_ORDER, &options); | |
2556 | sess->chap_auth_en = test_bit(ISCSIOPT_CHAP_AUTH_EN, &options); | |
2557 | sess->discovery_logout_en = test_bit(ISCSIOPT_DISCOVERY_LOGOUT_EN, | |
2558 | &options); | |
2559 | sess->bidi_chap_en = test_bit(ISCSIOPT_BIDI_CHAP_EN, &options); | |
2560 | sess->discovery_auth_optional = | |
2561 | test_bit(ISCSIOPT_DISCOVERY_AUTH_OPTIONAL, &options); | |
2562 | if (test_bit(ISCSIOPT_ERL1, &options)) | |
2563 | sess->erl |= BIT_1; | |
2564 | if (test_bit(ISCSIOPT_ERL0, &options)) | |
2565 | sess->erl |= BIT_0; | |
2566 | ||
2567 | options = le16_to_cpu(fw_ddb_entry->tcp_options); | |
2568 | conn->tcp_timestamp_stat = test_bit(TCPOPT_TIMESTAMP_STAT, &options); | |
2569 | conn->tcp_nagle_disable = test_bit(TCPOPT_NAGLE_DISABLE, &options); | |
2570 | conn->tcp_wsf_disable = test_bit(TCPOPT_WSF_DISABLE, &options); | |
2571 | if (test_bit(TCPOPT_TIMER_SCALE3, &options)) | |
2572 | conn->tcp_timer_scale |= BIT_3; | |
2573 | if (test_bit(TCPOPT_TIMER_SCALE2, &options)) | |
2574 | conn->tcp_timer_scale |= BIT_2; | |
2575 | if (test_bit(TCPOPT_TIMER_SCALE1, &options)) | |
2576 | conn->tcp_timer_scale |= BIT_1; | |
2577 | ||
2578 | conn->tcp_timer_scale >>= 1; | |
2579 | conn->tcp_timestamp_en = test_bit(TCPOPT_TIMESTAMP_EN, &options); | |
2580 | ||
2581 | options = le16_to_cpu(fw_ddb_entry->ip_options); | |
2582 | conn->fragment_disable = test_bit(IPOPT_FRAGMENT_DISABLE, &options); | |
2583 | ||
2584 | conn->max_recv_dlength = BYTE_UNITS * | |
2585 | le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len); | |
2586 | conn->max_xmit_dlength = BYTE_UNITS * | |
2587 | le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len); | |
2588 | sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t); | |
2589 | sess->first_burst = BYTE_UNITS * | |
2590 | le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len); | |
2591 | sess->max_burst = BYTE_UNITS * | |
2592 | le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len); | |
2593 | sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); | |
2594 | sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain); | |
2595 | sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); | |
2596 | conn->max_segment_size = le16_to_cpu(fw_ddb_entry->mss); | |
2597 | conn->tcp_xmit_wsf = fw_ddb_entry->tcp_xmt_wsf; | |
2598 | conn->tcp_recv_wsf = fw_ddb_entry->tcp_rcv_wsf; | |
2599 | conn->ipv4_tos = fw_ddb_entry->ipv4_tos; | |
2600 | conn->keepalive_tmo = le16_to_cpu(fw_ddb_entry->ka_timeout); | |
2601 | conn->local_port = le16_to_cpu(fw_ddb_entry->lcl_port); | |
2602 | conn->statsn = le32_to_cpu(fw_ddb_entry->stat_sn); | |
2603 | conn->exp_statsn = le32_to_cpu(fw_ddb_entry->exp_stat_sn); | |
2604 | sess->tsid = le16_to_cpu(fw_ddb_entry->tsid); | |
2605 | COPY_ISID(sess->isid, fw_ddb_entry->isid); | |
2606 | ||
2607 | ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); | |
8cc91d42 AC |
2608 | if (ddb_link == DDB_ISNS) |
2609 | disc_parent = ISCSI_DISC_PARENT_ISNS; | |
2610 | else if (ddb_link == DDB_NO_LINK) | |
2611 | disc_parent = ISCSI_DISC_PARENT_UNKNOWN; | |
2612 | else if (ddb_link < MAX_DDB_ENTRIES) | |
2613 | disc_parent = ISCSI_DISC_PARENT_SENDTGT; | |
2614 | else | |
2615 | disc_parent = ISCSI_DISC_PARENT_UNKNOWN; | |
2616 | ||
2617 | iscsi_set_param(conn->cls_conn, ISCSI_PARAM_DISCOVERY_PARENT_TYPE, | |
2618 | iscsi_get_discovery_parent_name(disc_parent), 0); | |
2619 | ||
2620 | iscsi_set_param(conn->cls_conn, ISCSI_PARAM_TARGET_ALIAS, | |
2621 | (char *)fw_ddb_entry->iscsi_alias, 0); | |
2622 | } | |
2623 | ||
13483730 MC |
2624 | static void qla4xxx_copy_fwddb_param(struct scsi_qla_host *ha, |
2625 | struct dev_db_entry *fw_ddb_entry, | |
2626 | struct iscsi_cls_session *cls_sess, | |
2627 | struct iscsi_cls_conn *cls_conn) | |
2628 | { | |
2629 | int buflen = 0; | |
2630 | struct iscsi_session *sess; | |
376738af | 2631 | struct ddb_entry *ddb_entry; |
946ac571 | 2632 | struct ql4_chap_table chap_tbl; |
13483730 MC |
2633 | struct iscsi_conn *conn; |
2634 | char ip_addr[DDB_IPADDR_LEN]; | |
2635 | uint16_t options = 0; | |
2636 | ||
2637 | sess = cls_sess->dd_data; | |
376738af | 2638 | ddb_entry = sess->dd_data; |
13483730 | 2639 | conn = cls_conn->dd_data; |
946ac571 | 2640 | memset(&chap_tbl, 0, sizeof(chap_tbl)); |
13483730 | 2641 | |
376738af NJ |
2642 | ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); |
2643 | ||
8cc91d42 | 2644 | qla4xxx_copy_to_sess_conn_params(conn, sess, fw_ddb_entry); |
13483730 | 2645 | |
8cc91d42 | 2646 | sess->def_taskmgmt_tmo = le16_to_cpu(fw_ddb_entry->def_timeout); |
13483730 MC |
2647 | conn->persistent_port = le16_to_cpu(fw_ddb_entry->port); |
2648 | ||
8cc91d42 | 2649 | memset(ip_addr, 0, sizeof(ip_addr)); |
13483730 | 2650 | options = le16_to_cpu(fw_ddb_entry->options); |
8cc91d42 AC |
2651 | if (options & DDB_OPT_IPV6_DEVICE) { |
2652 | iscsi_set_param(cls_conn, ISCSI_PARAM_PORTAL_TYPE, "ipv6", 4); | |
2653 | ||
2654 | memset(ip_addr, 0, sizeof(ip_addr)); | |
13483730 | 2655 | sprintf(ip_addr, "%pI6", fw_ddb_entry->ip_addr); |
8cc91d42 AC |
2656 | } else { |
2657 | iscsi_set_param(cls_conn, ISCSI_PARAM_PORTAL_TYPE, "ipv4", 4); | |
13483730 | 2658 | sprintf(ip_addr, "%pI4", fw_ddb_entry->ip_addr); |
8cc91d42 | 2659 | } |
13483730 | 2660 | |
8cc91d42 AC |
2661 | iscsi_set_param(cls_conn, ISCSI_PARAM_PERSISTENT_ADDRESS, |
2662 | (char *)ip_addr, buflen); | |
13483730 MC |
2663 | iscsi_set_param(cls_conn, ISCSI_PARAM_TARGET_NAME, |
2664 | (char *)fw_ddb_entry->iscsi_name, buflen); | |
2665 | iscsi_set_param(cls_conn, ISCSI_PARAM_INITIATOR_NAME, | |
2666 | (char *)ha->name_string, buflen); | |
946ac571 AC |
2667 | |
2668 | if (ddb_entry->chap_tbl_idx != INVALID_ENTRY) { | |
2669 | if (!qla4xxx_get_uni_chap_at_index(ha, chap_tbl.name, | |
2670 | chap_tbl.secret, | |
2671 | ddb_entry->chap_tbl_idx)) { | |
2672 | iscsi_set_param(cls_conn, ISCSI_PARAM_USERNAME, | |
2673 | (char *)chap_tbl.name, | |
2674 | strlen((char *)chap_tbl.name)); | |
2675 | iscsi_set_param(cls_conn, ISCSI_PARAM_PASSWORD, | |
2676 | (char *)chap_tbl.secret, | |
2677 | chap_tbl.secret_len); | |
2678 | } | |
2679 | } | |
13483730 MC |
2680 | } |
2681 | ||
2682 | void qla4xxx_update_session_conn_fwddb_param(struct scsi_qla_host *ha, | |
2683 | struct ddb_entry *ddb_entry) | |
2684 | { | |
2685 | struct iscsi_cls_session *cls_sess; | |
2686 | struct iscsi_cls_conn *cls_conn; | |
2687 | uint32_t ddb_state; | |
2688 | dma_addr_t fw_ddb_entry_dma; | |
2689 | struct dev_db_entry *fw_ddb_entry; | |
2690 | ||
2691 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
2692 | &fw_ddb_entry_dma, GFP_KERNEL); | |
2693 | if (!fw_ddb_entry) { | |
2694 | ql4_printk(KERN_ERR, ha, | |
2695 | "%s: Unable to allocate dma buffer\n", __func__); | |
2696 | goto exit_session_conn_fwddb_param; | |
2697 | } | |
2698 | ||
2699 | if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry, | |
2700 | fw_ddb_entry_dma, NULL, NULL, &ddb_state, | |
2701 | NULL, NULL, NULL) == QLA_ERROR) { | |
2702 | DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed " | |
2703 | "get_ddb_entry for fw_ddb_index %d\n", | |
2704 | ha->host_no, __func__, | |
2705 | ddb_entry->fw_ddb_index)); | |
2706 | goto exit_session_conn_fwddb_param; | |
2707 | } | |
2708 | ||
2709 | cls_sess = ddb_entry->sess; | |
2710 | ||
2711 | cls_conn = ddb_entry->conn; | |
2712 | ||
2713 | /* Update params */ | |
2714 | qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn); | |
2715 | ||
2716 | exit_session_conn_fwddb_param: | |
2717 | if (fw_ddb_entry) | |
2718 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
2719 | fw_ddb_entry, fw_ddb_entry_dma); | |
2720 | } | |
2721 | ||
b3a271a9 MR |
2722 | void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha, |
2723 | struct ddb_entry *ddb_entry) | |
2724 | { | |
2725 | struct iscsi_cls_session *cls_sess; | |
2726 | struct iscsi_cls_conn *cls_conn; | |
2727 | struct iscsi_session *sess; | |
2728 | struct iscsi_conn *conn; | |
2729 | uint32_t ddb_state; | |
2730 | dma_addr_t fw_ddb_entry_dma; | |
2731 | struct dev_db_entry *fw_ddb_entry; | |
2732 | ||
2733 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
2734 | &fw_ddb_entry_dma, GFP_KERNEL); | |
2735 | if (!fw_ddb_entry) { | |
2736 | ql4_printk(KERN_ERR, ha, | |
2737 | "%s: Unable to allocate dma buffer\n", __func__); | |
13483730 | 2738 | goto exit_session_conn_param; |
b3a271a9 MR |
2739 | } |
2740 | ||
2741 | if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry, | |
2742 | fw_ddb_entry_dma, NULL, NULL, &ddb_state, | |
2743 | NULL, NULL, NULL) == QLA_ERROR) { | |
2744 | DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed " | |
2745 | "get_ddb_entry for fw_ddb_index %d\n", | |
2746 | ha->host_no, __func__, | |
2747 | ddb_entry->fw_ddb_index)); | |
13483730 | 2748 | goto exit_session_conn_param; |
b3a271a9 MR |
2749 | } |
2750 | ||
2751 | cls_sess = ddb_entry->sess; | |
2752 | sess = cls_sess->dd_data; | |
2753 | ||
2754 | cls_conn = ddb_entry->conn; | |
2755 | conn = cls_conn->dd_data; | |
2756 | ||
13483730 MC |
2757 | /* Update timers after login */ |
2758 | ddb_entry->default_relogin_timeout = | |
c28eaaca NJ |
2759 | (le16_to_cpu(fw_ddb_entry->def_timeout) > LOGIN_TOV) && |
2760 | (le16_to_cpu(fw_ddb_entry->def_timeout) < LOGIN_TOV * 10) ? | |
2761 | le16_to_cpu(fw_ddb_entry->def_timeout) : LOGIN_TOV; | |
13483730 MC |
2762 | ddb_entry->default_time2wait = |
2763 | le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); | |
2764 | ||
b3a271a9 | 2765 | /* Update params */ |
376738af | 2766 | ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); |
8cc91d42 | 2767 | qla4xxx_copy_to_sess_conn_params(conn, sess, fw_ddb_entry); |
b3a271a9 MR |
2768 | |
2769 | memcpy(sess->initiatorname, ha->name_string, | |
2770 | min(sizeof(ha->name_string), sizeof(sess->initiatorname))); | |
13483730 MC |
2771 | |
2772 | exit_session_conn_param: | |
2773 | if (fw_ddb_entry) | |
2774 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
2775 | fw_ddb_entry, fw_ddb_entry_dma); | |
b3a271a9 MR |
2776 | } |
2777 | ||
afaf5a2d DS |
2778 | /* |
2779 | * Timer routines | |
2780 | */ | |
2781 | ||
2782 | static void qla4xxx_start_timer(struct scsi_qla_host *ha, void *func, | |
2783 | unsigned long interval) | |
2784 | { | |
2785 | DEBUG(printk("scsi: %s: Starting timer thread for adapter %d\n", | |
2786 | __func__, ha->host->host_no)); | |
2787 | init_timer(&ha->timer); | |
2788 | ha->timer.expires = jiffies + interval * HZ; | |
2789 | ha->timer.data = (unsigned long)ha; | |
2790 | ha->timer.function = (void (*)(unsigned long))func; | |
2791 | add_timer(&ha->timer); | |
2792 | ha->timer_active = 1; | |
2793 | } | |
2794 | ||
2795 | static void qla4xxx_stop_timer(struct scsi_qla_host *ha) | |
2796 | { | |
2797 | del_timer_sync(&ha->timer); | |
2798 | ha->timer_active = 0; | |
2799 | } | |
2800 | ||
2801 | /*** | |
b3a271a9 MR |
2802 | * qla4xxx_mark_device_missing - blocks the session |
2803 | * @cls_session: Pointer to the session to be blocked | |
afaf5a2d DS |
2804 | * @ddb_entry: Pointer to device database entry |
2805 | * | |
f4f5df23 | 2806 | * This routine marks a device missing and close connection. |
afaf5a2d | 2807 | **/ |
b3a271a9 | 2808 | void qla4xxx_mark_device_missing(struct iscsi_cls_session *cls_session) |
afaf5a2d | 2809 | { |
b3a271a9 | 2810 | iscsi_block_session(cls_session); |
afaf5a2d DS |
2811 | } |
2812 | ||
f4f5df23 VC |
2813 | /** |
2814 | * qla4xxx_mark_all_devices_missing - mark all devices as missing. | |
2815 | * @ha: Pointer to host adapter structure. | |
2816 | * | |
2817 | * This routine marks a device missing and resets the relogin retry count. | |
2818 | **/ | |
2819 | void qla4xxx_mark_all_devices_missing(struct scsi_qla_host *ha) | |
2820 | { | |
b3a271a9 | 2821 | iscsi_host_for_each_session(ha->host, qla4xxx_mark_device_missing); |
f4f5df23 VC |
2822 | } |
2823 | ||
afaf5a2d DS |
2824 | static struct srb* qla4xxx_get_new_srb(struct scsi_qla_host *ha, |
2825 | struct ddb_entry *ddb_entry, | |
8f0722ca | 2826 | struct scsi_cmnd *cmd) |
afaf5a2d DS |
2827 | { |
2828 | struct srb *srb; | |
2829 | ||
2830 | srb = mempool_alloc(ha->srb_mempool, GFP_ATOMIC); | |
2831 | if (!srb) | |
2832 | return srb; | |
2833 | ||
09a0f719 | 2834 | kref_init(&srb->srb_ref); |
afaf5a2d DS |
2835 | srb->ha = ha; |
2836 | srb->ddb = ddb_entry; | |
2837 | srb->cmd = cmd; | |
2838 | srb->flags = 0; | |
5369887a | 2839 | CMD_SP(cmd) = (void *)srb; |
afaf5a2d DS |
2840 | |
2841 | return srb; | |
2842 | } | |
2843 | ||
2844 | static void qla4xxx_srb_free_dma(struct scsi_qla_host *ha, struct srb *srb) | |
2845 | { | |
2846 | struct scsi_cmnd *cmd = srb->cmd; | |
2847 | ||
2848 | if (srb->flags & SRB_DMA_VALID) { | |
5f7186c8 | 2849 | scsi_dma_unmap(cmd); |
afaf5a2d DS |
2850 | srb->flags &= ~SRB_DMA_VALID; |
2851 | } | |
5369887a | 2852 | CMD_SP(cmd) = NULL; |
afaf5a2d DS |
2853 | } |
2854 | ||
09a0f719 | 2855 | void qla4xxx_srb_compl(struct kref *ref) |
afaf5a2d | 2856 | { |
09a0f719 | 2857 | struct srb *srb = container_of(ref, struct srb, srb_ref); |
afaf5a2d | 2858 | struct scsi_cmnd *cmd = srb->cmd; |
09a0f719 | 2859 | struct scsi_qla_host *ha = srb->ha; |
afaf5a2d DS |
2860 | |
2861 | qla4xxx_srb_free_dma(ha, srb); | |
2862 | ||
2863 | mempool_free(srb, ha->srb_mempool); | |
2864 | ||
2865 | cmd->scsi_done(cmd); | |
2866 | } | |
2867 | ||
2868 | /** | |
2869 | * qla4xxx_queuecommand - scsi layer issues scsi command to driver. | |
8f0722ca | 2870 | * @host: scsi host |
afaf5a2d | 2871 | * @cmd: Pointer to Linux's SCSI command structure |
afaf5a2d DS |
2872 | * |
2873 | * Remarks: | |
2874 | * This routine is invoked by Linux to send a SCSI command to the driver. | |
2875 | * The mid-level driver tries to ensure that queuecommand never gets | |
2876 | * invoked concurrently with itself or the interrupt handler (although | |
2877 | * the interrupt handler may call this routine as part of request- | |
2878 | * completion handling). Unfortunely, it sometimes calls the scheduler | |
2879 | * in interrupt context which is a big NO! NO!. | |
2880 | **/ | |
8f0722ca | 2881 | static int qla4xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) |
afaf5a2d | 2882 | { |
8f0722ca | 2883 | struct scsi_qla_host *ha = to_qla_host(host); |
afaf5a2d | 2884 | struct ddb_entry *ddb_entry = cmd->device->hostdata; |
7fb1921b | 2885 | struct iscsi_cls_session *sess = ddb_entry->sess; |
afaf5a2d DS |
2886 | struct srb *srb; |
2887 | int rval; | |
2888 | ||
2232be0d LC |
2889 | if (test_bit(AF_EEH_BUSY, &ha->flags)) { |
2890 | if (test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags)) | |
2891 | cmd->result = DID_NO_CONNECT << 16; | |
2892 | else | |
2893 | cmd->result = DID_REQUEUE << 16; | |
2894 | goto qc_fail_command; | |
2895 | } | |
2896 | ||
7fb1921b MC |
2897 | if (!sess) { |
2898 | cmd->result = DID_IMM_RETRY << 16; | |
2899 | goto qc_fail_command; | |
2900 | } | |
2901 | ||
2902 | rval = iscsi_session_chkready(sess); | |
2903 | if (rval) { | |
2904 | cmd->result = rval; | |
2905 | goto qc_fail_command; | |
2906 | } | |
2907 | ||
f4f5df23 VC |
2908 | if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || |
2909 | test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) || | |
2910 | test_bit(DPC_RESET_HA, &ha->dpc_flags) || | |
2911 | test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) || | |
2912 | test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) || | |
2913 | !test_bit(AF_ONLINE, &ha->flags) || | |
b3a271a9 | 2914 | !test_bit(AF_LINK_UP, &ha->flags) || |
026fbd3a | 2915 | test_bit(AF_LOOPBACK, &ha->flags) || |
7ab284c9 NJ |
2916 | test_bit(DPC_POST_IDC_ACK, &ha->dpc_flags) || |
2917 | test_bit(DPC_RESTORE_ACB, &ha->dpc_flags) || | |
f4f5df23 | 2918 | test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) |
477ffb9d DS |
2919 | goto qc_host_busy; |
2920 | ||
8f0722ca | 2921 | srb = qla4xxx_get_new_srb(ha, ddb_entry, cmd); |
afaf5a2d | 2922 | if (!srb) |
8f0722ca | 2923 | goto qc_host_busy; |
afaf5a2d DS |
2924 | |
2925 | rval = qla4xxx_send_command_to_isp(ha, srb); | |
2926 | if (rval != QLA_SUCCESS) | |
2927 | goto qc_host_busy_free_sp; | |
2928 | ||
afaf5a2d DS |
2929 | return 0; |
2930 | ||
2931 | qc_host_busy_free_sp: | |
2932 | qla4xxx_srb_free_dma(ha, srb); | |
2933 | mempool_free(srb, ha->srb_mempool); | |
2934 | ||
afaf5a2d DS |
2935 | qc_host_busy: |
2936 | return SCSI_MLQUEUE_HOST_BUSY; | |
2937 | ||
2938 | qc_fail_command: | |
8f0722ca | 2939 | cmd->scsi_done(cmd); |
afaf5a2d DS |
2940 | |
2941 | return 0; | |
2942 | } | |
2943 | ||
2944 | /** | |
2945 | * qla4xxx_mem_free - frees memory allocated to adapter | |
2946 | * @ha: Pointer to host adapter structure. | |
2947 | * | |
2948 | * Frees memory previously allocated by qla4xxx_mem_alloc | |
2949 | **/ | |
2950 | static void qla4xxx_mem_free(struct scsi_qla_host *ha) | |
2951 | { | |
2952 | if (ha->queues) | |
2953 | dma_free_coherent(&ha->pdev->dev, ha->queues_len, ha->queues, | |
2954 | ha->queues_dma); | |
2955 | ||
068237c8 TP |
2956 | if (ha->fw_dump) |
2957 | vfree(ha->fw_dump); | |
2958 | ||
afaf5a2d DS |
2959 | ha->queues_len = 0; |
2960 | ha->queues = NULL; | |
2961 | ha->queues_dma = 0; | |
2962 | ha->request_ring = NULL; | |
2963 | ha->request_dma = 0; | |
2964 | ha->response_ring = NULL; | |
2965 | ha->response_dma = 0; | |
2966 | ha->shadow_regs = NULL; | |
2967 | ha->shadow_regs_dma = 0; | |
068237c8 TP |
2968 | ha->fw_dump = NULL; |
2969 | ha->fw_dump_size = 0; | |
afaf5a2d DS |
2970 | |
2971 | /* Free srb pool. */ | |
2972 | if (ha->srb_mempool) | |
2973 | mempool_destroy(ha->srb_mempool); | |
2974 | ||
2975 | ha->srb_mempool = NULL; | |
2976 | ||
b3a271a9 MR |
2977 | if (ha->chap_dma_pool) |
2978 | dma_pool_destroy(ha->chap_dma_pool); | |
2979 | ||
4549415a LC |
2980 | if (ha->chap_list) |
2981 | vfree(ha->chap_list); | |
2982 | ha->chap_list = NULL; | |
2983 | ||
13483730 MC |
2984 | if (ha->fw_ddb_dma_pool) |
2985 | dma_pool_destroy(ha->fw_ddb_dma_pool); | |
2986 | ||
afaf5a2d | 2987 | /* release io space registers */ |
f4f5df23 VC |
2988 | if (is_qla8022(ha)) { |
2989 | if (ha->nx_pcibase) | |
2990 | iounmap( | |
2991 | (struct device_reg_82xx __iomem *)ha->nx_pcibase); | |
b37ca418 | 2992 | } else if (is_qla8032(ha) || is_qla8042(ha)) { |
6e7b4292 VC |
2993 | if (ha->nx_pcibase) |
2994 | iounmap( | |
2995 | (struct device_reg_83xx __iomem *)ha->nx_pcibase); | |
2996 | } else if (ha->reg) { | |
afaf5a2d | 2997 | iounmap(ha->reg); |
6e7b4292 VC |
2998 | } |
2999 | ||
3000 | if (ha->reset_tmplt.buff) | |
3001 | vfree(ha->reset_tmplt.buff); | |
3002 | ||
afaf5a2d DS |
3003 | pci_release_regions(ha->pdev); |
3004 | } | |
3005 | ||
3006 | /** | |
3007 | * qla4xxx_mem_alloc - allocates memory for use by adapter. | |
3008 | * @ha: Pointer to host adapter structure | |
3009 | * | |
3010 | * Allocates DMA memory for request and response queues. Also allocates memory | |
3011 | * for srbs. | |
3012 | **/ | |
3013 | static int qla4xxx_mem_alloc(struct scsi_qla_host *ha) | |
3014 | { | |
3015 | unsigned long align; | |
3016 | ||
3017 | /* Allocate contiguous block of DMA memory for queues. */ | |
3018 | ha->queues_len = ((REQUEST_QUEUE_DEPTH * QUEUE_SIZE) + | |
3019 | (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE) + | |
3020 | sizeof(struct shadow_regs) + | |
3021 | MEM_ALIGN_VALUE + | |
3022 | (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1); | |
3023 | ha->queues = dma_alloc_coherent(&ha->pdev->dev, ha->queues_len, | |
3024 | &ha->queues_dma, GFP_KERNEL); | |
3025 | if (ha->queues == NULL) { | |
c2660df3 VC |
3026 | ql4_printk(KERN_WARNING, ha, |
3027 | "Memory Allocation failed - queues.\n"); | |
afaf5a2d DS |
3028 | |
3029 | goto mem_alloc_error_exit; | |
3030 | } | |
3031 | memset(ha->queues, 0, ha->queues_len); | |
3032 | ||
3033 | /* | |
3034 | * As per RISC alignment requirements -- the bus-address must be a | |
3035 | * multiple of the request-ring size (in bytes). | |
3036 | */ | |
3037 | align = 0; | |
3038 | if ((unsigned long)ha->queues_dma & (MEM_ALIGN_VALUE - 1)) | |
3039 | align = MEM_ALIGN_VALUE - ((unsigned long)ha->queues_dma & | |
3040 | (MEM_ALIGN_VALUE - 1)); | |
3041 | ||
3042 | /* Update request and response queue pointers. */ | |
3043 | ha->request_dma = ha->queues_dma + align; | |
3044 | ha->request_ring = (struct queue_entry *) (ha->queues + align); | |
3045 | ha->response_dma = ha->queues_dma + align + | |
3046 | (REQUEST_QUEUE_DEPTH * QUEUE_SIZE); | |
3047 | ha->response_ring = (struct queue_entry *) (ha->queues + align + | |
3048 | (REQUEST_QUEUE_DEPTH * | |
3049 | QUEUE_SIZE)); | |
3050 | ha->shadow_regs_dma = ha->queues_dma + align + | |
3051 | (REQUEST_QUEUE_DEPTH * QUEUE_SIZE) + | |
3052 | (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE); | |
3053 | ha->shadow_regs = (struct shadow_regs *) (ha->queues + align + | |
3054 | (REQUEST_QUEUE_DEPTH * | |
3055 | QUEUE_SIZE) + | |
3056 | (RESPONSE_QUEUE_DEPTH * | |
3057 | QUEUE_SIZE)); | |
3058 | ||
3059 | /* Allocate memory for srb pool. */ | |
3060 | ha->srb_mempool = mempool_create(SRB_MIN_REQ, mempool_alloc_slab, | |
3061 | mempool_free_slab, srb_cachep); | |
3062 | if (ha->srb_mempool == NULL) { | |
c2660df3 VC |
3063 | ql4_printk(KERN_WARNING, ha, |
3064 | "Memory Allocation failed - SRB Pool.\n"); | |
afaf5a2d DS |
3065 | |
3066 | goto mem_alloc_error_exit; | |
3067 | } | |
3068 | ||
b3a271a9 MR |
3069 | ha->chap_dma_pool = dma_pool_create("ql4_chap", &ha->pdev->dev, |
3070 | CHAP_DMA_BLOCK_SIZE, 8, 0); | |
3071 | ||
3072 | if (ha->chap_dma_pool == NULL) { | |
3073 | ql4_printk(KERN_WARNING, ha, | |
3074 | "%s: chap_dma_pool allocation failed..\n", __func__); | |
3075 | goto mem_alloc_error_exit; | |
3076 | } | |
3077 | ||
13483730 MC |
3078 | ha->fw_ddb_dma_pool = dma_pool_create("ql4_fw_ddb", &ha->pdev->dev, |
3079 | DDB_DMA_BLOCK_SIZE, 8, 0); | |
3080 | ||
3081 | if (ha->fw_ddb_dma_pool == NULL) { | |
3082 | ql4_printk(KERN_WARNING, ha, | |
3083 | "%s: fw_ddb_dma_pool allocation failed..\n", | |
3084 | __func__); | |
3085 | goto mem_alloc_error_exit; | |
3086 | } | |
3087 | ||
afaf5a2d DS |
3088 | return QLA_SUCCESS; |
3089 | ||
3090 | mem_alloc_error_exit: | |
3091 | qla4xxx_mem_free(ha); | |
3092 | return QLA_ERROR; | |
3093 | } | |
3094 | ||
4f77083e MH |
3095 | /** |
3096 | * qla4_8xxx_check_temp - Check the ISP82XX temperature. | |
3097 | * @ha: adapter block pointer. | |
3098 | * | |
3099 | * Note: The caller should not hold the idc lock. | |
3100 | **/ | |
3101 | static int qla4_8xxx_check_temp(struct scsi_qla_host *ha) | |
3102 | { | |
3103 | uint32_t temp, temp_state, temp_val; | |
3104 | int status = QLA_SUCCESS; | |
3105 | ||
33693c7a | 3106 | temp = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_TEMP_STATE); |
4f77083e MH |
3107 | |
3108 | temp_state = qla82xx_get_temp_state(temp); | |
3109 | temp_val = qla82xx_get_temp_val(temp); | |
3110 | ||
3111 | if (temp_state == QLA82XX_TEMP_PANIC) { | |
3112 | ql4_printk(KERN_WARNING, ha, "Device temperature %d degrees C" | |
3113 | " exceeds maximum allowed. Hardware has been shut" | |
3114 | " down.\n", temp_val); | |
3115 | status = QLA_ERROR; | |
3116 | } else if (temp_state == QLA82XX_TEMP_WARN) { | |
3117 | if (ha->temperature == QLA82XX_TEMP_NORMAL) | |
3118 | ql4_printk(KERN_WARNING, ha, "Device temperature %d" | |
3119 | " degrees C exceeds operating range." | |
3120 | " Immediate action needed.\n", temp_val); | |
3121 | } else { | |
3122 | if (ha->temperature == QLA82XX_TEMP_WARN) | |
3123 | ql4_printk(KERN_INFO, ha, "Device temperature is" | |
3124 | " now %d degrees C in normal range.\n", | |
3125 | temp_val); | |
3126 | } | |
3127 | ha->temperature = temp_state; | |
3128 | return status; | |
3129 | } | |
3130 | ||
f4f5df23 VC |
3131 | /** |
3132 | * qla4_8xxx_check_fw_alive - Check firmware health | |
3133 | * @ha: Pointer to host adapter structure. | |
3134 | * | |
3135 | * Context: Interrupt | |
3136 | **/ | |
9ee91a38 | 3137 | static int qla4_8xxx_check_fw_alive(struct scsi_qla_host *ha) |
f4f5df23 | 3138 | { |
9ee91a38 SS |
3139 | uint32_t fw_heartbeat_counter; |
3140 | int status = QLA_SUCCESS; | |
f4f5df23 | 3141 | |
33693c7a VC |
3142 | fw_heartbeat_counter = qla4_8xxx_rd_direct(ha, |
3143 | QLA8XXX_PEG_ALIVE_COUNTER); | |
2232be0d LC |
3144 | /* If PEG_ALIVE_COUNTER is 0xffffffff, AER/EEH is in progress, ignore */ |
3145 | if (fw_heartbeat_counter == 0xffffffff) { | |
3146 | DEBUG2(printk(KERN_WARNING "scsi%ld: %s: Device in frozen " | |
3147 | "state, QLA82XX_PEG_ALIVE_COUNTER is 0xffffffff\n", | |
3148 | ha->host_no, __func__)); | |
9ee91a38 | 3149 | return status; |
2232be0d | 3150 | } |
f4f5df23 VC |
3151 | |
3152 | if (ha->fw_heartbeat_counter == fw_heartbeat_counter) { | |
3153 | ha->seconds_since_last_heartbeat++; | |
3154 | /* FW not alive after 2 seconds */ | |
3155 | if (ha->seconds_since_last_heartbeat == 2) { | |
3156 | ha->seconds_since_last_heartbeat = 0; | |
6e7b4292 | 3157 | qla4_8xxx_dump_peg_reg(ha); |
9ee91a38 | 3158 | status = QLA_ERROR; |
f4f5df23 | 3159 | } |
99457d75 LC |
3160 | } else |
3161 | ha->seconds_since_last_heartbeat = 0; | |
3162 | ||
f4f5df23 | 3163 | ha->fw_heartbeat_counter = fw_heartbeat_counter; |
9ee91a38 | 3164 | return status; |
f4f5df23 VC |
3165 | } |
3166 | ||
6e7b4292 VC |
3167 | static void qla4_8xxx_process_fw_error(struct scsi_qla_host *ha) |
3168 | { | |
3169 | uint32_t halt_status; | |
3170 | int halt_status_unrecoverable = 0; | |
3171 | ||
3172 | halt_status = qla4_8xxx_rd_direct(ha, QLA8XXX_PEG_HALT_STATUS1); | |
3173 | ||
3174 | if (is_qla8022(ha)) { | |
3175 | ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n", | |
3176 | __func__); | |
3177 | qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98, | |
3178 | CRB_NIU_XG_PAUSE_CTL_P0 | | |
3179 | CRB_NIU_XG_PAUSE_CTL_P1); | |
3180 | ||
3181 | if (QLA82XX_FWERROR_CODE(halt_status) == 0x67) | |
3182 | ql4_printk(KERN_ERR, ha, "%s: Firmware aborted with error code 0x00006700. Device is being reset\n", | |
3183 | __func__); | |
3184 | if (halt_status & HALT_STATUS_UNRECOVERABLE) | |
3185 | halt_status_unrecoverable = 1; | |
b37ca418 | 3186 | } else if (is_qla8032(ha) || is_qla8042(ha)) { |
6e7b4292 VC |
3187 | if (halt_status & QLA83XX_HALT_STATUS_FW_RESET) |
3188 | ql4_printk(KERN_ERR, ha, "%s: Firmware error detected device is being reset\n", | |
3189 | __func__); | |
3190 | else if (halt_status & QLA83XX_HALT_STATUS_UNRECOVERABLE) | |
3191 | halt_status_unrecoverable = 1; | |
3192 | } | |
3193 | ||
3194 | /* | |
3195 | * Since we cannot change dev_state in interrupt context, | |
3196 | * set appropriate DPC flag then wakeup DPC | |
3197 | */ | |
3198 | if (halt_status_unrecoverable) { | |
3199 | set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags); | |
3200 | } else { | |
3201 | ql4_printk(KERN_INFO, ha, "%s: detect abort needed!\n", | |
3202 | __func__); | |
3203 | set_bit(DPC_RESET_HA, &ha->dpc_flags); | |
3204 | } | |
3205 | qla4xxx_mailbox_premature_completion(ha); | |
3206 | qla4xxx_wake_dpc(ha); | |
3207 | } | |
3208 | ||
f4f5df23 VC |
3209 | /** |
3210 | * qla4_8xxx_watchdog - Poll dev state | |
3211 | * @ha: Pointer to host adapter structure. | |
3212 | * | |
3213 | * Context: Interrupt | |
3214 | **/ | |
3215 | void qla4_8xxx_watchdog(struct scsi_qla_host *ha) | |
3216 | { | |
6e7b4292 | 3217 | uint32_t dev_state; |
6cf94121 | 3218 | uint32_t idc_ctrl; |
f4f5df23 VC |
3219 | |
3220 | /* don't poll if reset is going on */ | |
d56a1f7b LC |
3221 | if (!(test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) || |
3222 | test_bit(DPC_RESET_HA, &ha->dpc_flags) || | |
977f46a4 | 3223 | test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags))) { |
33693c7a | 3224 | dev_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE); |
4f77083e MH |
3225 | |
3226 | if (qla4_8xxx_check_temp(ha)) { | |
6e7b4292 VC |
3227 | if (is_qla8022(ha)) { |
3228 | ql4_printk(KERN_INFO, ha, "disabling pause transmit on port 0 & 1.\n"); | |
3229 | qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98, | |
3230 | CRB_NIU_XG_PAUSE_CTL_P0 | | |
3231 | CRB_NIU_XG_PAUSE_CTL_P1); | |
3232 | } | |
4f77083e MH |
3233 | set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags); |
3234 | qla4xxx_wake_dpc(ha); | |
de8c72da | 3235 | } else if (dev_state == QLA8XXX_DEV_NEED_RESET && |
6e7b4292 | 3236 | !test_bit(DPC_RESET_HA, &ha->dpc_flags)) { |
6cf94121 VC |
3237 | |
3238 | ql4_printk(KERN_INFO, ha, "%s: HW State: NEED RESET!\n", | |
3239 | __func__); | |
3240 | ||
b37ca418 | 3241 | if (is_qla8032(ha) || is_qla8042(ha)) { |
6cf94121 VC |
3242 | idc_ctrl = qla4_83xx_rd_reg(ha, |
3243 | QLA83XX_IDC_DRV_CTRL); | |
3244 | if (!(idc_ctrl & GRACEFUL_RESET_BIT1)) { | |
3245 | ql4_printk(KERN_INFO, ha, "%s: Graceful reset bit is not set\n", | |
3246 | __func__); | |
3247 | qla4xxx_mailbox_premature_completion( | |
3248 | ha); | |
3249 | } | |
3250 | } | |
3251 | ||
b37ca418 | 3252 | if ((is_qla8032(ha) || is_qla8042(ha)) || |
6e7b4292 | 3253 | (is_qla8022(ha) && !ql4xdontresethba)) { |
3930b8c1 VC |
3254 | set_bit(DPC_RESET_HA, &ha->dpc_flags); |
3255 | qla4xxx_wake_dpc(ha); | |
3930b8c1 | 3256 | } |
de8c72da | 3257 | } else if (dev_state == QLA8XXX_DEV_NEED_QUIESCENT && |
f4f5df23 | 3258 | !test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) { |
3930b8c1 VC |
3259 | ql4_printk(KERN_INFO, ha, "%s: HW State: NEED QUIES!\n", |
3260 | __func__); | |
f4f5df23 VC |
3261 | set_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags); |
3262 | qla4xxx_wake_dpc(ha); | |
3263 | } else { | |
3264 | /* Check firmware health */ | |
6e7b4292 VC |
3265 | if (qla4_8xxx_check_fw_alive(ha)) |
3266 | qla4_8xxx_process_fw_error(ha); | |
f4f5df23 VC |
3267 | } |
3268 | } | |
3269 | } | |
3270 | ||
4a4bc2e9 | 3271 | static void qla4xxx_check_relogin_flash_ddb(struct iscsi_cls_session *cls_sess) |
13483730 MC |
3272 | { |
3273 | struct iscsi_session *sess; | |
3274 | struct ddb_entry *ddb_entry; | |
3275 | struct scsi_qla_host *ha; | |
3276 | ||
3277 | sess = cls_sess->dd_data; | |
3278 | ddb_entry = sess->dd_data; | |
3279 | ha = ddb_entry->ha; | |
3280 | ||
3281 | if (!(ddb_entry->ddb_type == FLASH_DDB)) | |
3282 | return; | |
3283 | ||
3284 | if (adapter_up(ha) && !test_bit(DF_RELOGIN, &ddb_entry->flags) && | |
3285 | !iscsi_is_session_online(cls_sess)) { | |
3286 | if (atomic_read(&ddb_entry->retry_relogin_timer) != | |
3287 | INVALID_ENTRY) { | |
3288 | if (atomic_read(&ddb_entry->retry_relogin_timer) == | |
3289 | 0) { | |
3290 | atomic_set(&ddb_entry->retry_relogin_timer, | |
3291 | INVALID_ENTRY); | |
3292 | set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); | |
3293 | set_bit(DF_RELOGIN, &ddb_entry->flags); | |
3294 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
3295 | "%s: index [%d] login device\n", | |
3296 | __func__, ddb_entry->fw_ddb_index)); | |
3297 | } else | |
3298 | atomic_dec(&ddb_entry->retry_relogin_timer); | |
3299 | } | |
3300 | } | |
3301 | ||
3302 | /* Wait for relogin to timeout */ | |
3303 | if (atomic_read(&ddb_entry->relogin_timer) && | |
3304 | (atomic_dec_and_test(&ddb_entry->relogin_timer) != 0)) { | |
3305 | /* | |
3306 | * If the relogin times out and the device is | |
3307 | * still NOT ONLINE then try and relogin again. | |
3308 | */ | |
3309 | if (!iscsi_is_session_online(cls_sess)) { | |
3310 | /* Reset retry relogin timer */ | |
3311 | atomic_inc(&ddb_entry->relogin_retry_count); | |
3312 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
3313 | "%s: index[%d] relogin timed out-retrying" | |
3314 | " relogin (%d), retry (%d)\n", __func__, | |
3315 | ddb_entry->fw_ddb_index, | |
3316 | atomic_read(&ddb_entry->relogin_retry_count), | |
3317 | ddb_entry->default_time2wait + 4)); | |
3318 | set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); | |
3319 | atomic_set(&ddb_entry->retry_relogin_timer, | |
3320 | ddb_entry->default_time2wait + 4); | |
3321 | } | |
3322 | } | |
3323 | } | |
3324 | ||
afaf5a2d DS |
3325 | /** |
3326 | * qla4xxx_timer - checks every second for work to do. | |
3327 | * @ha: Pointer to host adapter structure. | |
3328 | **/ | |
3329 | static void qla4xxx_timer(struct scsi_qla_host *ha) | |
3330 | { | |
afaf5a2d | 3331 | int start_dpc = 0; |
2232be0d LC |
3332 | uint16_t w; |
3333 | ||
13483730 MC |
3334 | iscsi_host_for_each_session(ha->host, qla4xxx_check_relogin_flash_ddb); |
3335 | ||
2232be0d LC |
3336 | /* If we are in the middle of AER/EEH processing |
3337 | * skip any processing and reschedule the timer | |
3338 | */ | |
3339 | if (test_bit(AF_EEH_BUSY, &ha->flags)) { | |
3340 | mod_timer(&ha->timer, jiffies + HZ); | |
3341 | return; | |
3342 | } | |
3343 | ||
3344 | /* Hardware read to trigger an EEH error during mailbox waits. */ | |
3345 | if (!pci_channel_offline(ha->pdev)) | |
3346 | pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w); | |
afaf5a2d | 3347 | |
6e7b4292 | 3348 | if (is_qla80XX(ha)) |
f4f5df23 | 3349 | qla4_8xxx_watchdog(ha); |
f4f5df23 | 3350 | |
ee996a69 | 3351 | if (is_qla40XX(ha)) { |
f4f5df23 VC |
3352 | /* Check for heartbeat interval. */ |
3353 | if (ha->firmware_options & FWOPT_HEARTBEAT_ENABLE && | |
3354 | ha->heartbeat_interval != 0) { | |
3355 | ha->seconds_since_last_heartbeat++; | |
3356 | if (ha->seconds_since_last_heartbeat > | |
3357 | ha->heartbeat_interval + 2) | |
3358 | set_bit(DPC_RESET_HA, &ha->dpc_flags); | |
3359 | } | |
afaf5a2d DS |
3360 | } |
3361 | ||
ff884430 VC |
3362 | /* Process any deferred work. */ |
3363 | if (!list_empty(&ha->work_list)) | |
3364 | start_dpc++; | |
3365 | ||
afaf5a2d | 3366 | /* Wakeup the dpc routine for this adapter, if needed. */ |
1b46807e | 3367 | if (start_dpc || |
afaf5a2d DS |
3368 | test_bit(DPC_RESET_HA, &ha->dpc_flags) || |
3369 | test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags) || | |
3370 | test_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags) || | |
f4f5df23 | 3371 | test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) || |
afaf5a2d DS |
3372 | test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || |
3373 | test_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags) || | |
065aa1b4 | 3374 | test_bit(DPC_LINK_CHANGED, &ha->dpc_flags) || |
f4f5df23 VC |
3375 | test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) || |
3376 | test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) || | |
1b46807e | 3377 | test_bit(DPC_AEN, &ha->dpc_flags)) { |
afaf5a2d DS |
3378 | DEBUG2(printk("scsi%ld: %s: scheduling dpc routine" |
3379 | " - dpc flags = 0x%lx\n", | |
3380 | ha->host_no, __func__, ha->dpc_flags)); | |
f4f5df23 | 3381 | qla4xxx_wake_dpc(ha); |
afaf5a2d DS |
3382 | } |
3383 | ||
3384 | /* Reschedule timer thread to call us back in one second */ | |
3385 | mod_timer(&ha->timer, jiffies + HZ); | |
3386 | ||
3387 | DEBUG2(ha->seconds_since_last_intr++); | |
3388 | } | |
3389 | ||
3390 | /** | |
3391 | * qla4xxx_cmd_wait - waits for all outstanding commands to complete | |
3392 | * @ha: Pointer to host adapter structure. | |
3393 | * | |
3394 | * This routine stalls the driver until all outstanding commands are returned. | |
3395 | * Caller must release the Hardware Lock prior to calling this routine. | |
3396 | **/ | |
3397 | static int qla4xxx_cmd_wait(struct scsi_qla_host *ha) | |
3398 | { | |
3399 | uint32_t index = 0; | |
afaf5a2d DS |
3400 | unsigned long flags; |
3401 | struct scsi_cmnd *cmd; | |
afaf5a2d | 3402 | |
f4f5df23 VC |
3403 | unsigned long wtime = jiffies + (WAIT_CMD_TOV * HZ); |
3404 | ||
3405 | DEBUG2(ql4_printk(KERN_INFO, ha, "Wait up to %d seconds for cmds to " | |
3406 | "complete\n", WAIT_CMD_TOV)); | |
3407 | ||
3408 | while (!time_after_eq(jiffies, wtime)) { | |
afaf5a2d DS |
3409 | spin_lock_irqsave(&ha->hardware_lock, flags); |
3410 | /* Find a command that hasn't completed. */ | |
3411 | for (index = 0; index < ha->host->can_queue; index++) { | |
3412 | cmd = scsi_host_find_tag(ha->host, index); | |
a1e0063d MC |
3413 | /* |
3414 | * We cannot just check if the index is valid, | |
3415 | * becase if we are run from the scsi eh, then | |
3416 | * the scsi/block layer is going to prevent | |
3417 | * the tag from being released. | |
3418 | */ | |
3419 | if (cmd != NULL && CMD_SP(cmd)) | |
afaf5a2d DS |
3420 | break; |
3421 | } | |
3422 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
3423 | ||
3424 | /* If No Commands are pending, wait is complete */ | |
f4f5df23 VC |
3425 | if (index == ha->host->can_queue) |
3426 | return QLA_SUCCESS; | |
afaf5a2d | 3427 | |
f4f5df23 VC |
3428 | msleep(1000); |
3429 | } | |
3430 | /* If we timed out on waiting for commands to come back | |
3431 | * return ERROR. */ | |
3432 | return QLA_ERROR; | |
afaf5a2d DS |
3433 | } |
3434 | ||
f4f5df23 | 3435 | int qla4xxx_hw_reset(struct scsi_qla_host *ha) |
afaf5a2d | 3436 | { |
afaf5a2d | 3437 | uint32_t ctrl_status; |
477ffb9d DS |
3438 | unsigned long flags = 0; |
3439 | ||
3440 | DEBUG2(printk(KERN_ERR "scsi%ld: %s\n", ha->host_no, __func__)); | |
afaf5a2d | 3441 | |
f4f5df23 VC |
3442 | if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS) |
3443 | return QLA_ERROR; | |
3444 | ||
afaf5a2d DS |
3445 | spin_lock_irqsave(&ha->hardware_lock, flags); |
3446 | ||
3447 | /* | |
3448 | * If the SCSI Reset Interrupt bit is set, clear it. | |
3449 | * Otherwise, the Soft Reset won't work. | |
3450 | */ | |
3451 | ctrl_status = readw(&ha->reg->ctrl_status); | |
3452 | if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0) | |
3453 | writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status); | |
3454 | ||
3455 | /* Issue Soft Reset */ | |
3456 | writel(set_rmask(CSR_SOFT_RESET), &ha->reg->ctrl_status); | |
3457 | readl(&ha->reg->ctrl_status); | |
3458 | ||
3459 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
f4f5df23 | 3460 | return QLA_SUCCESS; |
477ffb9d DS |
3461 | } |
3462 | ||
3463 | /** | |
3464 | * qla4xxx_soft_reset - performs soft reset. | |
3465 | * @ha: Pointer to host adapter structure. | |
3466 | **/ | |
3467 | int qla4xxx_soft_reset(struct scsi_qla_host *ha) | |
3468 | { | |
3469 | uint32_t max_wait_time; | |
3470 | unsigned long flags = 0; | |
f931c534 | 3471 | int status; |
477ffb9d DS |
3472 | uint32_t ctrl_status; |
3473 | ||
f931c534 VC |
3474 | status = qla4xxx_hw_reset(ha); |
3475 | if (status != QLA_SUCCESS) | |
3476 | return status; | |
afaf5a2d | 3477 | |
f931c534 | 3478 | status = QLA_ERROR; |
afaf5a2d DS |
3479 | /* Wait until the Network Reset Intr bit is cleared */ |
3480 | max_wait_time = RESET_INTR_TOV; | |
3481 | do { | |
3482 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
3483 | ctrl_status = readw(&ha->reg->ctrl_status); | |
3484 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
3485 | ||
3486 | if ((ctrl_status & CSR_NET_RESET_INTR) == 0) | |
3487 | break; | |
3488 | ||
3489 | msleep(1000); | |
3490 | } while ((--max_wait_time)); | |
3491 | ||
3492 | if ((ctrl_status & CSR_NET_RESET_INTR) != 0) { | |
3493 | DEBUG2(printk(KERN_WARNING | |
3494 | "scsi%ld: Network Reset Intr not cleared by " | |
3495 | "Network function, clearing it now!\n", | |
3496 | ha->host_no)); | |
3497 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
3498 | writel(set_rmask(CSR_NET_RESET_INTR), &ha->reg->ctrl_status); | |
3499 | readl(&ha->reg->ctrl_status); | |
3500 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
3501 | } | |
3502 | ||
3503 | /* Wait until the firmware tells us the Soft Reset is done */ | |
3504 | max_wait_time = SOFT_RESET_TOV; | |
3505 | do { | |
3506 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
3507 | ctrl_status = readw(&ha->reg->ctrl_status); | |
3508 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
3509 | ||
3510 | if ((ctrl_status & CSR_SOFT_RESET) == 0) { | |
3511 | status = QLA_SUCCESS; | |
3512 | break; | |
3513 | } | |
3514 | ||
3515 | msleep(1000); | |
3516 | } while ((--max_wait_time)); | |
3517 | ||
3518 | /* | |
3519 | * Also, make sure that the SCSI Reset Interrupt bit has been cleared | |
3520 | * after the soft reset has taken place. | |
3521 | */ | |
3522 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
3523 | ctrl_status = readw(&ha->reg->ctrl_status); | |
3524 | if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0) { | |
3525 | writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status); | |
3526 | readl(&ha->reg->ctrl_status); | |
3527 | } | |
3528 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
3529 | ||
3530 | /* If soft reset fails then most probably the bios on other | |
3531 | * function is also enabled. | |
3532 | * Since the initialization is sequential the other fn | |
3533 | * wont be able to acknowledge the soft reset. | |
3534 | * Issue a force soft reset to workaround this scenario. | |
3535 | */ | |
3536 | if (max_wait_time == 0) { | |
3537 | /* Issue Force Soft Reset */ | |
3538 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
3539 | writel(set_rmask(CSR_FORCE_SOFT_RESET), &ha->reg->ctrl_status); | |
3540 | readl(&ha->reg->ctrl_status); | |
3541 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
3542 | /* Wait until the firmware tells us the Soft Reset is done */ | |
3543 | max_wait_time = SOFT_RESET_TOV; | |
3544 | do { | |
3545 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
3546 | ctrl_status = readw(&ha->reg->ctrl_status); | |
3547 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
3548 | ||
3549 | if ((ctrl_status & CSR_FORCE_SOFT_RESET) == 0) { | |
3550 | status = QLA_SUCCESS; | |
3551 | break; | |
3552 | } | |
3553 | ||
3554 | msleep(1000); | |
3555 | } while ((--max_wait_time)); | |
3556 | } | |
3557 | ||
3558 | return status; | |
3559 | } | |
3560 | ||
afaf5a2d | 3561 | /** |
f4f5df23 | 3562 | * qla4xxx_abort_active_cmds - returns all outstanding i/o requests to O.S. |
afaf5a2d | 3563 | * @ha: Pointer to host adapter structure. |
f4f5df23 | 3564 | * @res: returned scsi status |
afaf5a2d DS |
3565 | * |
3566 | * This routine is called just prior to a HARD RESET to return all | |
3567 | * outstanding commands back to the Operating System. | |
3568 | * Caller should make sure that the following locks are released | |
3569 | * before this calling routine: Hardware lock, and io_request_lock. | |
3570 | **/ | |
f4f5df23 | 3571 | static void qla4xxx_abort_active_cmds(struct scsi_qla_host *ha, int res) |
afaf5a2d DS |
3572 | { |
3573 | struct srb *srb; | |
3574 | int i; | |
3575 | unsigned long flags; | |
3576 | ||
3577 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
3578 | for (i = 0; i < ha->host->can_queue; i++) { | |
3579 | srb = qla4xxx_del_from_active_array(ha, i); | |
3580 | if (srb != NULL) { | |
f4f5df23 | 3581 | srb->cmd->result = res; |
09a0f719 | 3582 | kref_put(&srb->srb_ref, qla4xxx_srb_compl); |
afaf5a2d DS |
3583 | } |
3584 | } | |
3585 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
afaf5a2d DS |
3586 | } |
3587 | ||
f4f5df23 VC |
3588 | void qla4xxx_dead_adapter_cleanup(struct scsi_qla_host *ha) |
3589 | { | |
3590 | clear_bit(AF_ONLINE, &ha->flags); | |
3591 | ||
3592 | /* Disable the board */ | |
3593 | ql4_printk(KERN_INFO, ha, "Disabling the board\n"); | |
f4f5df23 VC |
3594 | |
3595 | qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); | |
3596 | qla4xxx_mark_all_devices_missing(ha); | |
3597 | clear_bit(AF_INIT_DONE, &ha->flags); | |
3598 | } | |
3599 | ||
b3a271a9 MR |
3600 | static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session) |
3601 | { | |
3602 | struct iscsi_session *sess; | |
3603 | struct ddb_entry *ddb_entry; | |
3604 | ||
3605 | sess = cls_session->dd_data; | |
3606 | ddb_entry = sess->dd_data; | |
3607 | ddb_entry->fw_ddb_device_state = DDB_DS_SESSION_FAILED; | |
13483730 MC |
3608 | |
3609 | if (ddb_entry->ddb_type == FLASH_DDB) | |
3610 | iscsi_block_session(ddb_entry->sess); | |
3611 | else | |
3612 | iscsi_session_failure(cls_session->dd_data, | |
3613 | ISCSI_ERR_CONN_FAILED); | |
b3a271a9 MR |
3614 | } |
3615 | ||
afaf5a2d DS |
3616 | /** |
3617 | * qla4xxx_recover_adapter - recovers adapter after a fatal error | |
3618 | * @ha: Pointer to host adapter structure. | |
afaf5a2d | 3619 | **/ |
f4f5df23 | 3620 | static int qla4xxx_recover_adapter(struct scsi_qla_host *ha) |
afaf5a2d | 3621 | { |
f4f5df23 VC |
3622 | int status = QLA_ERROR; |
3623 | uint8_t reset_chip = 0; | |
8e0f3a66 | 3624 | uint32_t dev_state; |
9ee91a38 | 3625 | unsigned long wait; |
afaf5a2d DS |
3626 | |
3627 | /* Stall incoming I/O until we are done */ | |
f4f5df23 | 3628 | scsi_block_requests(ha->host); |
afaf5a2d | 3629 | clear_bit(AF_ONLINE, &ha->flags); |
b3a271a9 | 3630 | clear_bit(AF_LINK_UP, &ha->flags); |
50a29aec | 3631 | |
f4f5df23 | 3632 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: adapter OFFLINE\n", __func__)); |
afaf5a2d | 3633 | |
f4f5df23 | 3634 | set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); |
afaf5a2d | 3635 | |
b37ca418 | 3636 | if ((is_qla8032(ha) || is_qla8042(ha)) && |
546fef27 TP |
3637 | !test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) { |
3638 | ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n", | |
3639 | __func__); | |
3640 | /* disable pause frame for ISP83xx */ | |
3641 | qla4_83xx_disable_pause(ha); | |
3642 | } | |
3643 | ||
b3a271a9 MR |
3644 | iscsi_host_for_each_session(ha->host, qla4xxx_fail_session); |
3645 | ||
f4f5df23 VC |
3646 | if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) |
3647 | reset_chip = 1; | |
afaf5a2d | 3648 | |
f4f5df23 VC |
3649 | /* For the DPC_RESET_HA_INTR case (ISP-4xxx specific) |
3650 | * do not reset adapter, jump to initialize_adapter */ | |
3651 | if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { | |
3652 | status = QLA_SUCCESS; | |
3653 | goto recover_ha_init_adapter; | |
3654 | } | |
afaf5a2d | 3655 | |
6e7b4292 | 3656 | /* For the ISP-8xxx adapter, issue a stop_firmware if invoked |
f4f5df23 | 3657 | * from eh_host_reset or ioctl module */ |
6e7b4292 | 3658 | if (is_qla80XX(ha) && !reset_chip && |
f4f5df23 VC |
3659 | test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) { |
3660 | ||
3661 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
3662 | "scsi%ld: %s - Performing stop_firmware...\n", | |
3663 | ha->host_no, __func__)); | |
3664 | status = ha->isp_ops->reset_firmware(ha); | |
3665 | if (status == QLA_SUCCESS) { | |
2bd1e2be NJ |
3666 | if (!test_bit(AF_FW_RECOVERY, &ha->flags)) |
3667 | qla4xxx_cmd_wait(ha); | |
5c19b92a | 3668 | |
f4f5df23 VC |
3669 | ha->isp_ops->disable_intrs(ha); |
3670 | qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); | |
3671 | qla4xxx_abort_active_cmds(ha, DID_RESET << 16); | |
3672 | } else { | |
3673 | /* If the stop_firmware fails then | |
3674 | * reset the entire chip */ | |
3675 | reset_chip = 1; | |
3676 | clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); | |
3677 | set_bit(DPC_RESET_HA, &ha->dpc_flags); | |
3678 | } | |
3679 | } | |
dca05c4c | 3680 | |
f4f5df23 | 3681 | /* Issue full chip reset if recovering from a catastrophic error, |
6e7b4292 | 3682 | * or if stop_firmware fails for ISP-8xxx. |
f4f5df23 | 3683 | * This is the default case for ISP-4xxx */ |
ee996a69 VC |
3684 | if (is_qla40XX(ha) || reset_chip) { |
3685 | if (is_qla40XX(ha)) | |
9ee91a38 SS |
3686 | goto chip_reset; |
3687 | ||
6e7b4292 | 3688 | /* Check if 8XXX firmware is alive or not |
9ee91a38 SS |
3689 | * We may have arrived here from NEED_RESET |
3690 | * detection only */ | |
3691 | if (test_bit(AF_FW_RECOVERY, &ha->flags)) | |
3692 | goto chip_reset; | |
3693 | ||
3694 | wait = jiffies + (FW_ALIVE_WAIT_TOV * HZ); | |
3695 | while (time_before(jiffies, wait)) { | |
3696 | if (qla4_8xxx_check_fw_alive(ha)) { | |
3697 | qla4xxx_mailbox_premature_completion(ha); | |
3698 | break; | |
3699 | } | |
3700 | ||
3701 | set_current_state(TASK_UNINTERRUPTIBLE); | |
3702 | schedule_timeout(HZ); | |
3703 | } | |
da106212 | 3704 | chip_reset: |
2bd1e2be NJ |
3705 | if (!test_bit(AF_FW_RECOVERY, &ha->flags)) |
3706 | qla4xxx_cmd_wait(ha); | |
da106212 | 3707 | |
f4f5df23 VC |
3708 | qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); |
3709 | qla4xxx_abort_active_cmds(ha, DID_RESET << 16); | |
3710 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
3711 | "scsi%ld: %s - Performing chip reset..\n", | |
3712 | ha->host_no, __func__)); | |
3713 | status = ha->isp_ops->reset_chip(ha); | |
3714 | } | |
afaf5a2d DS |
3715 | |
3716 | /* Flush any pending ddb changed AENs */ | |
3717 | qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); | |
3718 | ||
f4f5df23 VC |
3719 | recover_ha_init_adapter: |
3720 | /* Upon successful firmware/chip reset, re-initialize the adapter */ | |
afaf5a2d | 3721 | if (status == QLA_SUCCESS) { |
f4f5df23 VC |
3722 | /* For ISP-4xxx, force function 1 to always initialize |
3723 | * before function 3 to prevent both funcions from | |
3724 | * stepping on top of the other */ | |
ee996a69 | 3725 | if (is_qla40XX(ha) && (ha->mac_index == 3)) |
f4f5df23 VC |
3726 | ssleep(6); |
3727 | ||
3728 | /* NOTE: AF_ONLINE flag set upon successful completion of | |
3729 | * qla4xxx_initialize_adapter */ | |
13483730 | 3730 | status = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); |
afaf5a2d DS |
3731 | } |
3732 | ||
f4f5df23 VC |
3733 | /* Retry failed adapter initialization, if necessary |
3734 | * Do not retry initialize_adapter for RESET_HA_INTR (ISP-4xxx specific) | |
3735 | * case to prevent ping-pong resets between functions */ | |
3736 | if (!test_bit(AF_ONLINE, &ha->flags) && | |
3737 | !test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { | |
afaf5a2d | 3738 | /* Adapter initialization failed, see if we can retry |
f4f5df23 VC |
3739 | * resetting the ha. |
3740 | * Since we don't want to block the DPC for too long | |
3741 | * with multiple resets in the same thread, | |
3742 | * utilize DPC to retry */ | |
6e7b4292 | 3743 | if (is_qla80XX(ha)) { |
33693c7a VC |
3744 | ha->isp_ops->idc_lock(ha); |
3745 | dev_state = qla4_8xxx_rd_direct(ha, | |
3746 | QLA8XXX_CRB_DEV_STATE); | |
3747 | ha->isp_ops->idc_unlock(ha); | |
de8c72da | 3748 | if (dev_state == QLA8XXX_DEV_FAILED) { |
8e0f3a66 SR |
3749 | ql4_printk(KERN_INFO, ha, "%s: don't retry " |
3750 | "recover adapter. H/W is in Failed " | |
3751 | "state\n", __func__); | |
3752 | qla4xxx_dead_adapter_cleanup(ha); | |
3753 | clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); | |
3754 | clear_bit(DPC_RESET_HA, &ha->dpc_flags); | |
3755 | clear_bit(DPC_RESET_HA_FW_CONTEXT, | |
3756 | &ha->dpc_flags); | |
3757 | status = QLA_ERROR; | |
3758 | ||
3759 | goto exit_recover; | |
3760 | } | |
3761 | } | |
3762 | ||
afaf5a2d DS |
3763 | if (!test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags)) { |
3764 | ha->retry_reset_ha_cnt = MAX_RESET_HA_RETRIES; | |
3765 | DEBUG2(printk("scsi%ld: recover adapter - retrying " | |
3766 | "(%d) more times\n", ha->host_no, | |
3767 | ha->retry_reset_ha_cnt)); | |
3768 | set_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); | |
3769 | status = QLA_ERROR; | |
3770 | } else { | |
3771 | if (ha->retry_reset_ha_cnt > 0) { | |
3772 | /* Schedule another Reset HA--DPC will retry */ | |
3773 | ha->retry_reset_ha_cnt--; | |
3774 | DEBUG2(printk("scsi%ld: recover adapter - " | |
3775 | "retry remaining %d\n", | |
3776 | ha->host_no, | |
3777 | ha->retry_reset_ha_cnt)); | |
3778 | status = QLA_ERROR; | |
3779 | } | |
3780 | ||
3781 | if (ha->retry_reset_ha_cnt == 0) { | |
3782 | /* Recover adapter retries have been exhausted. | |
3783 | * Adapter DEAD */ | |
3784 | DEBUG2(printk("scsi%ld: recover adapter " | |
3785 | "failed - board disabled\n", | |
3786 | ha->host_no)); | |
f4f5df23 | 3787 | qla4xxx_dead_adapter_cleanup(ha); |
afaf5a2d DS |
3788 | clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); |
3789 | clear_bit(DPC_RESET_HA, &ha->dpc_flags); | |
f4f5df23 | 3790 | clear_bit(DPC_RESET_HA_FW_CONTEXT, |
afaf5a2d DS |
3791 | &ha->dpc_flags); |
3792 | status = QLA_ERROR; | |
3793 | } | |
3794 | } | |
3795 | } else { | |
3796 | clear_bit(DPC_RESET_HA, &ha->dpc_flags); | |
f4f5df23 | 3797 | clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); |
afaf5a2d DS |
3798 | clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); |
3799 | } | |
3800 | ||
8e0f3a66 | 3801 | exit_recover: |
afaf5a2d DS |
3802 | ha->adapter_error_count++; |
3803 | ||
f4f5df23 VC |
3804 | if (test_bit(AF_ONLINE, &ha->flags)) |
3805 | ha->isp_ops->enable_intrs(ha); | |
3806 | ||
3807 | scsi_unblock_requests(ha->host); | |
3808 | ||
3809 | clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); | |
3810 | DEBUG2(printk("scsi%ld: recover adapter: %s\n", ha->host_no, | |
25985edc | 3811 | status == QLA_ERROR ? "FAILED" : "SUCCEEDED")); |
afaf5a2d | 3812 | |
afaf5a2d DS |
3813 | return status; |
3814 | } | |
3815 | ||
b3a271a9 | 3816 | static void qla4xxx_relogin_devices(struct iscsi_cls_session *cls_session) |
2d7924e6 | 3817 | { |
b3a271a9 MR |
3818 | struct iscsi_session *sess; |
3819 | struct ddb_entry *ddb_entry; | |
3820 | struct scsi_qla_host *ha; | |
2d7924e6 | 3821 | |
b3a271a9 MR |
3822 | sess = cls_session->dd_data; |
3823 | ddb_entry = sess->dd_data; | |
3824 | ha = ddb_entry->ha; | |
3825 | if (!iscsi_is_session_online(cls_session)) { | |
3826 | if (ddb_entry->fw_ddb_device_state == DDB_DS_SESSION_ACTIVE) { | |
3827 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" | |
3828 | " unblock session\n", ha->host_no, __func__, | |
3829 | ddb_entry->fw_ddb_index); | |
3830 | iscsi_unblock_session(ddb_entry->sess); | |
3831 | } else { | |
3832 | /* Trigger relogin */ | |
13483730 | 3833 | if (ddb_entry->ddb_type == FLASH_DDB) { |
99c6a33b AC |
3834 | if (!(test_bit(DF_RELOGIN, &ddb_entry->flags) || |
3835 | test_bit(DF_DISABLE_RELOGIN, | |
3836 | &ddb_entry->flags))) | |
13483730 MC |
3837 | qla4xxx_arm_relogin_timer(ddb_entry); |
3838 | } else | |
3839 | iscsi_session_failure(cls_session->dd_data, | |
3840 | ISCSI_ERR_CONN_FAILED); | |
2d7924e6 VC |
3841 | } |
3842 | } | |
3843 | } | |
3844 | ||
13483730 MC |
3845 | int qla4xxx_unblock_flash_ddb(struct iscsi_cls_session *cls_session) |
3846 | { | |
3847 | struct iscsi_session *sess; | |
3848 | struct ddb_entry *ddb_entry; | |
3849 | struct scsi_qla_host *ha; | |
3850 | ||
3851 | sess = cls_session->dd_data; | |
3852 | ddb_entry = sess->dd_data; | |
3853 | ha = ddb_entry->ha; | |
3854 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" | |
3855 | " unblock session\n", ha->host_no, __func__, | |
3856 | ddb_entry->fw_ddb_index); | |
3857 | ||
3858 | iscsi_unblock_session(ddb_entry->sess); | |
3859 | ||
3860 | /* Start scan target */ | |
3861 | if (test_bit(AF_ONLINE, &ha->flags)) { | |
3862 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" | |
3863 | " start scan\n", ha->host_no, __func__, | |
3864 | ddb_entry->fw_ddb_index); | |
3865 | scsi_queue_work(ha->host, &ddb_entry->sess->scan_work); | |
3866 | } | |
3867 | return QLA_SUCCESS; | |
3868 | } | |
3869 | ||
3870 | int qla4xxx_unblock_ddb(struct iscsi_cls_session *cls_session) | |
3871 | { | |
3872 | struct iscsi_session *sess; | |
3873 | struct ddb_entry *ddb_entry; | |
3874 | struct scsi_qla_host *ha; | |
80c53e64 | 3875 | int status = QLA_SUCCESS; |
13483730 MC |
3876 | |
3877 | sess = cls_session->dd_data; | |
3878 | ddb_entry = sess->dd_data; | |
3879 | ha = ddb_entry->ha; | |
3880 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" | |
3881 | " unblock user space session\n", ha->host_no, __func__, | |
3882 | ddb_entry->fw_ddb_index); | |
13483730 | 3883 | |
80c53e64 MR |
3884 | if (!iscsi_is_session_online(cls_session)) { |
3885 | iscsi_conn_start(ddb_entry->conn); | |
3886 | iscsi_conn_login_event(ddb_entry->conn, | |
3887 | ISCSI_CONN_STATE_LOGGED_IN); | |
3888 | } else { | |
3889 | ql4_printk(KERN_INFO, ha, | |
3890 | "scsi%ld: %s: ddb[%d] session [%d] already logged in\n", | |
3891 | ha->host_no, __func__, ddb_entry->fw_ddb_index, | |
3892 | cls_session->sid); | |
3893 | status = QLA_ERROR; | |
3894 | } | |
3895 | ||
3896 | return status; | |
13483730 MC |
3897 | } |
3898 | ||
b3a271a9 MR |
3899 | static void qla4xxx_relogin_all_devices(struct scsi_qla_host *ha) |
3900 | { | |
3901 | iscsi_host_for_each_session(ha->host, qla4xxx_relogin_devices); | |
3902 | } | |
3903 | ||
13483730 MC |
3904 | static void qla4xxx_relogin_flash_ddb(struct iscsi_cls_session *cls_sess) |
3905 | { | |
3906 | uint16_t relogin_timer; | |
3907 | struct iscsi_session *sess; | |
3908 | struct ddb_entry *ddb_entry; | |
3909 | struct scsi_qla_host *ha; | |
3910 | ||
3911 | sess = cls_sess->dd_data; | |
3912 | ddb_entry = sess->dd_data; | |
3913 | ha = ddb_entry->ha; | |
3914 | ||
3915 | relogin_timer = max(ddb_entry->default_relogin_timeout, | |
3916 | (uint16_t)RELOGIN_TOV); | |
3917 | atomic_set(&ddb_entry->relogin_timer, relogin_timer); | |
3918 | ||
3919 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
3920 | "scsi%ld: Relogin index [%d]. TOV=%d\n", ha->host_no, | |
3921 | ddb_entry->fw_ddb_index, relogin_timer)); | |
3922 | ||
3923 | qla4xxx_login_flash_ddb(cls_sess); | |
3924 | } | |
3925 | ||
3926 | static void qla4xxx_dpc_relogin(struct iscsi_cls_session *cls_sess) | |
3927 | { | |
3928 | struct iscsi_session *sess; | |
3929 | struct ddb_entry *ddb_entry; | |
3930 | struct scsi_qla_host *ha; | |
3931 | ||
3932 | sess = cls_sess->dd_data; | |
3933 | ddb_entry = sess->dd_data; | |
3934 | ha = ddb_entry->ha; | |
3935 | ||
3936 | if (!(ddb_entry->ddb_type == FLASH_DDB)) | |
3937 | return; | |
3938 | ||
99c6a33b AC |
3939 | if (test_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags)) |
3940 | return; | |
3941 | ||
13483730 MC |
3942 | if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags) && |
3943 | !iscsi_is_session_online(cls_sess)) { | |
3944 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
3945 | "relogin issued\n")); | |
3946 | qla4xxx_relogin_flash_ddb(cls_sess); | |
3947 | } | |
3948 | } | |
3949 | ||
f4f5df23 VC |
3950 | void qla4xxx_wake_dpc(struct scsi_qla_host *ha) |
3951 | { | |
1b46807e | 3952 | if (ha->dpc_thread) |
f4f5df23 | 3953 | queue_work(ha->dpc_thread, &ha->dpc_work); |
f4f5df23 VC |
3954 | } |
3955 | ||
ff884430 VC |
3956 | static struct qla4_work_evt * |
3957 | qla4xxx_alloc_work(struct scsi_qla_host *ha, uint32_t data_size, | |
3958 | enum qla4_work_type type) | |
3959 | { | |
3960 | struct qla4_work_evt *e; | |
3961 | uint32_t size = sizeof(struct qla4_work_evt) + data_size; | |
3962 | ||
3963 | e = kzalloc(size, GFP_ATOMIC); | |
3964 | if (!e) | |
3965 | return NULL; | |
3966 | ||
3967 | INIT_LIST_HEAD(&e->list); | |
3968 | e->type = type; | |
3969 | return e; | |
3970 | } | |
3971 | ||
3972 | static void qla4xxx_post_work(struct scsi_qla_host *ha, | |
3973 | struct qla4_work_evt *e) | |
3974 | { | |
3975 | unsigned long flags; | |
3976 | ||
3977 | spin_lock_irqsave(&ha->work_lock, flags); | |
3978 | list_add_tail(&e->list, &ha->work_list); | |
3979 | spin_unlock_irqrestore(&ha->work_lock, flags); | |
3980 | qla4xxx_wake_dpc(ha); | |
3981 | } | |
3982 | ||
3983 | int qla4xxx_post_aen_work(struct scsi_qla_host *ha, | |
3984 | enum iscsi_host_event_code aen_code, | |
3985 | uint32_t data_size, uint8_t *data) | |
3986 | { | |
3987 | struct qla4_work_evt *e; | |
3988 | ||
3989 | e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_AEN); | |
3990 | if (!e) | |
3991 | return QLA_ERROR; | |
3992 | ||
3993 | e->u.aen.code = aen_code; | |
3994 | e->u.aen.data_size = data_size; | |
3995 | memcpy(e->u.aen.data, data, data_size); | |
3996 | ||
3997 | qla4xxx_post_work(ha, e); | |
3998 | ||
3999 | return QLA_SUCCESS; | |
4000 | } | |
4001 | ||
c0b9d3f7 VC |
4002 | int qla4xxx_post_ping_evt_work(struct scsi_qla_host *ha, |
4003 | uint32_t status, uint32_t pid, | |
4004 | uint32_t data_size, uint8_t *data) | |
4005 | { | |
4006 | struct qla4_work_evt *e; | |
4007 | ||
4008 | e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_PING_STATUS); | |
4009 | if (!e) | |
4010 | return QLA_ERROR; | |
4011 | ||
4012 | e->u.ping.status = status; | |
4013 | e->u.ping.pid = pid; | |
4014 | e->u.ping.data_size = data_size; | |
4015 | memcpy(e->u.ping.data, data, data_size); | |
4016 | ||
4017 | qla4xxx_post_work(ha, e); | |
4018 | ||
4019 | return QLA_SUCCESS; | |
4020 | } | |
4021 | ||
a7380a65 | 4022 | static void qla4xxx_do_work(struct scsi_qla_host *ha) |
ff884430 VC |
4023 | { |
4024 | struct qla4_work_evt *e, *tmp; | |
4025 | unsigned long flags; | |
4026 | LIST_HEAD(work); | |
4027 | ||
4028 | spin_lock_irqsave(&ha->work_lock, flags); | |
4029 | list_splice_init(&ha->work_list, &work); | |
4030 | spin_unlock_irqrestore(&ha->work_lock, flags); | |
4031 | ||
4032 | list_for_each_entry_safe(e, tmp, &work, list) { | |
4033 | list_del_init(&e->list); | |
4034 | ||
4035 | switch (e->type) { | |
4036 | case QLA4_EVENT_AEN: | |
4037 | iscsi_post_host_event(ha->host_no, | |
4038 | &qla4xxx_iscsi_transport, | |
4039 | e->u.aen.code, | |
4040 | e->u.aen.data_size, | |
4041 | e->u.aen.data); | |
4042 | break; | |
c0b9d3f7 VC |
4043 | case QLA4_EVENT_PING_STATUS: |
4044 | iscsi_ping_comp_event(ha->host_no, | |
4045 | &qla4xxx_iscsi_transport, | |
4046 | e->u.ping.status, | |
4047 | e->u.ping.pid, | |
4048 | e->u.ping.data_size, | |
4049 | e->u.ping.data); | |
4050 | break; | |
ff884430 VC |
4051 | default: |
4052 | ql4_printk(KERN_WARNING, ha, "event type: 0x%x not " | |
4053 | "supported", e->type); | |
4054 | } | |
4055 | kfree(e); | |
4056 | } | |
4057 | } | |
4058 | ||
afaf5a2d DS |
4059 | /** |
4060 | * qla4xxx_do_dpc - dpc routine | |
4061 | * @data: in our case pointer to adapter structure | |
4062 | * | |
4063 | * This routine is a task that is schedule by the interrupt handler | |
4064 | * to perform the background processing for interrupts. We put it | |
4065 | * on a task queue that is consumed whenever the scheduler runs; that's | |
4066 | * so you can do anything (i.e. put the process to sleep etc). In fact, | |
4067 | * the mid-level tries to sleep when it reaches the driver threshold | |
4068 | * "host->can_queue". This can cause a panic if we were in our interrupt code. | |
4069 | **/ | |
c4028958 | 4070 | static void qla4xxx_do_dpc(struct work_struct *work) |
afaf5a2d | 4071 | { |
c4028958 DH |
4072 | struct scsi_qla_host *ha = |
4073 | container_of(work, struct scsi_qla_host, dpc_work); | |
477ffb9d | 4074 | int status = QLA_ERROR; |
afaf5a2d | 4075 | |
f26b9044 | 4076 | DEBUG2(printk("scsi%ld: %s: DPC handler waking up." |
f4f5df23 VC |
4077 | "flags = 0x%08lx, dpc_flags = 0x%08lx\n", |
4078 | ha->host_no, __func__, ha->flags, ha->dpc_flags)) | |
afaf5a2d DS |
4079 | |
4080 | /* Initialization not yet finished. Don't do anything yet. */ | |
4081 | if (!test_bit(AF_INIT_DONE, &ha->flags)) | |
1b46807e | 4082 | return; |
afaf5a2d | 4083 | |
2232be0d LC |
4084 | if (test_bit(AF_EEH_BUSY, &ha->flags)) { |
4085 | DEBUG2(printk(KERN_INFO "scsi%ld: %s: flags = %lx\n", | |
4086 | ha->host_no, __func__, ha->flags)); | |
1b46807e | 4087 | return; |
2232be0d LC |
4088 | } |
4089 | ||
ff884430 VC |
4090 | /* post events to application */ |
4091 | qla4xxx_do_work(ha); | |
4092 | ||
6e7b4292 | 4093 | if (is_qla80XX(ha)) { |
f4f5df23 | 4094 | if (test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags)) { |
b37ca418 | 4095 | if (is_qla8032(ha) || is_qla8042(ha)) { |
546fef27 TP |
4096 | ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n", |
4097 | __func__); | |
4098 | /* disable pause frame for ISP83xx */ | |
4099 | qla4_83xx_disable_pause(ha); | |
4100 | } | |
4101 | ||
33693c7a VC |
4102 | ha->isp_ops->idc_lock(ha); |
4103 | qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, | |
4104 | QLA8XXX_DEV_FAILED); | |
4105 | ha->isp_ops->idc_unlock(ha); | |
f4f5df23 VC |
4106 | ql4_printk(KERN_INFO, ha, "HW State: FAILED\n"); |
4107 | qla4_8xxx_device_state_handler(ha); | |
4108 | } | |
320a61de | 4109 | |
7ab284c9 NJ |
4110 | if (test_bit(DPC_POST_IDC_ACK, &ha->dpc_flags)) { |
4111 | if (is_qla8042(ha)) { | |
4112 | if (ha->idc_info.info2 & | |
4113 | ENABLE_INTERNAL_LOOPBACK) { | |
4114 | ql4_printk(KERN_INFO, ha, "%s: Disabling ACB\n", | |
4115 | __func__); | |
4116 | status = qla4_84xx_config_acb(ha, | |
4117 | ACB_CONFIG_DISABLE); | |
4118 | if (status != QLA_SUCCESS) { | |
4119 | ql4_printk(KERN_INFO, ha, "%s: ACB config failed\n", | |
4120 | __func__); | |
4121 | } | |
4122 | } | |
4123 | } | |
320a61de | 4124 | qla4_83xx_post_idc_ack(ha); |
7ab284c9 NJ |
4125 | clear_bit(DPC_POST_IDC_ACK, &ha->dpc_flags); |
4126 | } | |
4127 | ||
4128 | if (is_qla8042(ha) && | |
4129 | test_bit(DPC_RESTORE_ACB, &ha->dpc_flags)) { | |
4130 | ql4_printk(KERN_INFO, ha, "%s: Restoring ACB\n", | |
4131 | __func__); | |
4132 | if (qla4_84xx_config_acb(ha, ACB_CONFIG_SET) != | |
4133 | QLA_SUCCESS) { | |
4134 | ql4_printk(KERN_INFO, ha, "%s: ACB config failed ", | |
4135 | __func__); | |
4136 | } | |
4137 | clear_bit(DPC_RESTORE_ACB, &ha->dpc_flags); | |
4138 | } | |
320a61de | 4139 | |
f4f5df23 VC |
4140 | if (test_and_clear_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) { |
4141 | qla4_8xxx_need_qsnt_handler(ha); | |
4142 | } | |
4143 | } | |
4144 | ||
4145 | if (!test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) && | |
4146 | (test_bit(DPC_RESET_HA, &ha->dpc_flags) || | |
afaf5a2d | 4147 | test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || |
f4f5df23 | 4148 | test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags))) { |
6e7b4292 | 4149 | if ((is_qla8022(ha) && ql4xdontresethba) || |
b37ca418 VC |
4150 | ((is_qla8032(ha) || is_qla8042(ha)) && |
4151 | qla4_83xx_idc_dontreset(ha))) { | |
f4f5df23 VC |
4152 | DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n", |
4153 | ha->host_no, __func__)); | |
4154 | clear_bit(DPC_RESET_HA, &ha->dpc_flags); | |
4155 | clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags); | |
4156 | clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); | |
4157 | goto dpc_post_reset_ha; | |
4158 | } | |
4159 | if (test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) || | |
4160 | test_bit(DPC_RESET_HA, &ha->dpc_flags)) | |
4161 | qla4xxx_recover_adapter(ha); | |
afaf5a2d | 4162 | |
477ffb9d | 4163 | if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { |
afaf5a2d | 4164 | uint8_t wait_time = RESET_INTR_TOV; |
afaf5a2d | 4165 | |
afaf5a2d DS |
4166 | while ((readw(&ha->reg->ctrl_status) & |
4167 | (CSR_SOFT_RESET | CSR_FORCE_SOFT_RESET)) != 0) { | |
4168 | if (--wait_time == 0) | |
4169 | break; | |
afaf5a2d | 4170 | msleep(1000); |
afaf5a2d | 4171 | } |
afaf5a2d DS |
4172 | if (wait_time == 0) |
4173 | DEBUG2(printk("scsi%ld: %s: SR|FSR " | |
4174 | "bit not cleared-- resetting\n", | |
4175 | ha->host_no, __func__)); | |
f4f5df23 | 4176 | qla4xxx_abort_active_cmds(ha, DID_RESET << 16); |
477ffb9d DS |
4177 | if (ql4xxx_lock_drvr_wait(ha) == QLA_SUCCESS) { |
4178 | qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); | |
f4f5df23 | 4179 | status = qla4xxx_recover_adapter(ha); |
477ffb9d DS |
4180 | } |
4181 | clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags); | |
4182 | if (status == QLA_SUCCESS) | |
f4f5df23 | 4183 | ha->isp_ops->enable_intrs(ha); |
afaf5a2d DS |
4184 | } |
4185 | } | |
4186 | ||
f4f5df23 | 4187 | dpc_post_reset_ha: |
afaf5a2d DS |
4188 | /* ---- process AEN? --- */ |
4189 | if (test_and_clear_bit(DPC_AEN, &ha->dpc_flags)) | |
4190 | qla4xxx_process_aen(ha, PROCESS_ALL_AENS); | |
4191 | ||
4192 | /* ---- Get DHCP IP Address? --- */ | |
4193 | if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags)) | |
4194 | qla4xxx_get_dhcp_ip_address(ha); | |
4195 | ||
13483730 MC |
4196 | /* ---- relogin device? --- */ |
4197 | if (adapter_up(ha) && | |
4198 | test_and_clear_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags)) { | |
4199 | iscsi_host_for_each_session(ha->host, qla4xxx_dpc_relogin); | |
4200 | } | |
4201 | ||
065aa1b4 | 4202 | /* ---- link change? --- */ |
026fbd3a NJ |
4203 | if (!test_bit(AF_LOOPBACK, &ha->flags) && |
4204 | test_and_clear_bit(DPC_LINK_CHANGED, &ha->dpc_flags)) { | |
065aa1b4 VC |
4205 | if (!test_bit(AF_LINK_UP, &ha->flags)) { |
4206 | /* ---- link down? --- */ | |
2d7924e6 | 4207 | qla4xxx_mark_all_devices_missing(ha); |
065aa1b4 VC |
4208 | } else { |
4209 | /* ---- link up? --- * | |
4210 | * F/W will auto login to all devices ONLY ONCE after | |
4211 | * link up during driver initialization and runtime | |
4212 | * fatal error recovery. Therefore, the driver must | |
4213 | * manually relogin to devices when recovering from | |
4214 | * connection failures, logouts, expired KATO, etc. */ | |
13483730 MC |
4215 | if (test_and_clear_bit(AF_BUILD_DDB_LIST, &ha->flags)) { |
4216 | qla4xxx_build_ddb_list(ha, ha->is_reset); | |
4217 | iscsi_host_for_each_session(ha->host, | |
4218 | qla4xxx_login_flash_ddb); | |
4219 | } else | |
4220 | qla4xxx_relogin_all_devices(ha); | |
065aa1b4 VC |
4221 | } |
4222 | } | |
afaf5a2d DS |
4223 | } |
4224 | ||
4225 | /** | |
4226 | * qla4xxx_free_adapter - release the adapter | |
4227 | * @ha: pointer to adapter structure | |
4228 | **/ | |
4229 | static void qla4xxx_free_adapter(struct scsi_qla_host *ha) | |
4230 | { | |
8a288960 | 4231 | qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); |
afaf5a2d | 4232 | |
5c19b92a VC |
4233 | /* Turn-off interrupts on the card. */ |
4234 | ha->isp_ops->disable_intrs(ha); | |
afaf5a2d | 4235 | |
d9e62e51 VC |
4236 | if (is_qla40XX(ha)) { |
4237 | writel(set_rmask(CSR_SCSI_PROCESSOR_INTR), | |
4238 | &ha->reg->ctrl_status); | |
4239 | readl(&ha->reg->ctrl_status); | |
4240 | } else if (is_qla8022(ha)) { | |
7664a1fd VC |
4241 | writel(0, &ha->qla4_82xx_reg->host_int); |
4242 | readl(&ha->qla4_82xx_reg->host_int); | |
b37ca418 | 4243 | } else if (is_qla8032(ha) || is_qla8042(ha)) { |
fbd8107c VC |
4244 | writel(0, &ha->qla4_83xx_reg->risc_intr); |
4245 | readl(&ha->qla4_83xx_reg->risc_intr); | |
d9e62e51 VC |
4246 | } |
4247 | ||
f4f5df23 VC |
4248 | /* Remove timer thread, if present */ |
4249 | if (ha->timer_active) | |
4250 | qla4xxx_stop_timer(ha); | |
4251 | ||
afaf5a2d DS |
4252 | /* Kill the kernel thread for this host */ |
4253 | if (ha->dpc_thread) | |
4254 | destroy_workqueue(ha->dpc_thread); | |
4255 | ||
b3a271a9 MR |
4256 | /* Kill the kernel thread for this host */ |
4257 | if (ha->task_wq) | |
4258 | destroy_workqueue(ha->task_wq); | |
4259 | ||
f4f5df23 VC |
4260 | /* Put firmware in known state */ |
4261 | ha->isp_ops->reset_firmware(ha); | |
afaf5a2d | 4262 | |
6e7b4292 | 4263 | if (is_qla80XX(ha)) { |
33693c7a | 4264 | ha->isp_ops->idc_lock(ha); |
f4f5df23 | 4265 | qla4_8xxx_clear_drv_active(ha); |
33693c7a | 4266 | ha->isp_ops->idc_unlock(ha); |
f4f5df23 | 4267 | } |
afaf5a2d | 4268 | |
afaf5a2d | 4269 | /* Detach interrupts */ |
5c19b92a | 4270 | qla4xxx_free_irqs(ha); |
afaf5a2d | 4271 | |
bee4fe8e DS |
4272 | /* free extra memory */ |
4273 | qla4xxx_mem_free(ha); | |
f4f5df23 VC |
4274 | } |
4275 | ||
4276 | int qla4_8xxx_iospace_config(struct scsi_qla_host *ha) | |
4277 | { | |
4278 | int status = 0; | |
f4f5df23 VC |
4279 | unsigned long mem_base, mem_len, db_base, db_len; |
4280 | struct pci_dev *pdev = ha->pdev; | |
4281 | ||
4282 | status = pci_request_regions(pdev, DRIVER_NAME); | |
4283 | if (status) { | |
4284 | printk(KERN_WARNING | |
4285 | "scsi(%ld) Failed to reserve PIO regions (%s) " | |
4286 | "status=%d\n", ha->host_no, pci_name(pdev), status); | |
4287 | goto iospace_error_exit; | |
4288 | } | |
4289 | ||
f4f5df23 | 4290 | DEBUG2(printk(KERN_INFO "%s: revision-id=%d\n", |
7d7311c4 SS |
4291 | __func__, pdev->revision)); |
4292 | ha->revision_id = pdev->revision; | |
bee4fe8e | 4293 | |
f4f5df23 VC |
4294 | /* remap phys address */ |
4295 | mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */ | |
4296 | mem_len = pci_resource_len(pdev, 0); | |
4297 | DEBUG2(printk(KERN_INFO "%s: ioremap from %lx a size of %lx\n", | |
4298 | __func__, mem_base, mem_len)); | |
afaf5a2d | 4299 | |
f4f5df23 VC |
4300 | /* mapping of pcibase pointer */ |
4301 | ha->nx_pcibase = (unsigned long)ioremap(mem_base, mem_len); | |
4302 | if (!ha->nx_pcibase) { | |
4303 | printk(KERN_ERR | |
4304 | "cannot remap MMIO (%s), aborting\n", pci_name(pdev)); | |
4305 | pci_release_regions(ha->pdev); | |
4306 | goto iospace_error_exit; | |
4307 | } | |
4308 | ||
4309 | /* Mapping of IO base pointer, door bell read and write pointer */ | |
4310 | ||
4311 | /* mapping of IO base pointer */ | |
6e7b4292 VC |
4312 | if (is_qla8022(ha)) { |
4313 | ha->qla4_82xx_reg = (struct device_reg_82xx __iomem *) | |
4314 | ((uint8_t *)ha->nx_pcibase + 0xbc000 + | |
4315 | (ha->pdev->devfn << 11)); | |
4316 | ha->nx_db_wr_ptr = (ha->pdev->devfn == 4 ? QLA82XX_CAM_RAM_DB1 : | |
4317 | QLA82XX_CAM_RAM_DB2); | |
b37ca418 | 4318 | } else if (is_qla8032(ha) || is_qla8042(ha)) { |
6e7b4292 VC |
4319 | ha->qla4_83xx_reg = (struct device_reg_83xx __iomem *) |
4320 | ((uint8_t *)ha->nx_pcibase); | |
4321 | } | |
f4f5df23 VC |
4322 | |
4323 | db_base = pci_resource_start(pdev, 4); /* doorbell is on bar 4 */ | |
4324 | db_len = pci_resource_len(pdev, 4); | |
4325 | ||
2657c800 | 4326 | return 0; |
f4f5df23 VC |
4327 | iospace_error_exit: |
4328 | return -ENOMEM; | |
afaf5a2d DS |
4329 | } |
4330 | ||
4331 | /*** | |
4332 | * qla4xxx_iospace_config - maps registers | |
4333 | * @ha: pointer to adapter structure | |
4334 | * | |
4335 | * This routines maps HBA's registers from the pci address space | |
4336 | * into the kernel virtual address space for memory mapped i/o. | |
4337 | **/ | |
f4f5df23 | 4338 | int qla4xxx_iospace_config(struct scsi_qla_host *ha) |
afaf5a2d DS |
4339 | { |
4340 | unsigned long pio, pio_len, pio_flags; | |
4341 | unsigned long mmio, mmio_len, mmio_flags; | |
4342 | ||
4343 | pio = pci_resource_start(ha->pdev, 0); | |
4344 | pio_len = pci_resource_len(ha->pdev, 0); | |
4345 | pio_flags = pci_resource_flags(ha->pdev, 0); | |
4346 | if (pio_flags & IORESOURCE_IO) { | |
4347 | if (pio_len < MIN_IOBASE_LEN) { | |
c2660df3 | 4348 | ql4_printk(KERN_WARNING, ha, |
afaf5a2d DS |
4349 | "Invalid PCI I/O region size\n"); |
4350 | pio = 0; | |
4351 | } | |
4352 | } else { | |
c2660df3 | 4353 | ql4_printk(KERN_WARNING, ha, "region #0 not a PIO resource\n"); |
afaf5a2d DS |
4354 | pio = 0; |
4355 | } | |
4356 | ||
4357 | /* Use MMIO operations for all accesses. */ | |
4358 | mmio = pci_resource_start(ha->pdev, 1); | |
4359 | mmio_len = pci_resource_len(ha->pdev, 1); | |
4360 | mmio_flags = pci_resource_flags(ha->pdev, 1); | |
4361 | ||
4362 | if (!(mmio_flags & IORESOURCE_MEM)) { | |
c2660df3 VC |
4363 | ql4_printk(KERN_ERR, ha, |
4364 | "region #0 not an MMIO resource, aborting\n"); | |
afaf5a2d DS |
4365 | |
4366 | goto iospace_error_exit; | |
4367 | } | |
c2660df3 | 4368 | |
afaf5a2d | 4369 | if (mmio_len < MIN_IOBASE_LEN) { |
c2660df3 VC |
4370 | ql4_printk(KERN_ERR, ha, |
4371 | "Invalid PCI mem region size, aborting\n"); | |
afaf5a2d DS |
4372 | goto iospace_error_exit; |
4373 | } | |
4374 | ||
4375 | if (pci_request_regions(ha->pdev, DRIVER_NAME)) { | |
c2660df3 VC |
4376 | ql4_printk(KERN_WARNING, ha, |
4377 | "Failed to reserve PIO/MMIO regions\n"); | |
afaf5a2d DS |
4378 | |
4379 | goto iospace_error_exit; | |
4380 | } | |
4381 | ||
4382 | ha->pio_address = pio; | |
4383 | ha->pio_length = pio_len; | |
4384 | ha->reg = ioremap(mmio, MIN_IOBASE_LEN); | |
4385 | if (!ha->reg) { | |
c2660df3 VC |
4386 | ql4_printk(KERN_ERR, ha, |
4387 | "cannot remap MMIO, aborting\n"); | |
afaf5a2d DS |
4388 | |
4389 | goto iospace_error_exit; | |
4390 | } | |
4391 | ||
4392 | return 0; | |
4393 | ||
4394 | iospace_error_exit: | |
4395 | return -ENOMEM; | |
4396 | } | |
4397 | ||
f4f5df23 VC |
4398 | static struct isp_operations qla4xxx_isp_ops = { |
4399 | .iospace_config = qla4xxx_iospace_config, | |
4400 | .pci_config = qla4xxx_pci_config, | |
4401 | .disable_intrs = qla4xxx_disable_intrs, | |
4402 | .enable_intrs = qla4xxx_enable_intrs, | |
4403 | .start_firmware = qla4xxx_start_firmware, | |
4404 | .intr_handler = qla4xxx_intr_handler, | |
4405 | .interrupt_service_routine = qla4xxx_interrupt_service_routine, | |
4406 | .reset_chip = qla4xxx_soft_reset, | |
4407 | .reset_firmware = qla4xxx_hw_reset, | |
4408 | .queue_iocb = qla4xxx_queue_iocb, | |
4409 | .complete_iocb = qla4xxx_complete_iocb, | |
4410 | .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out, | |
4411 | .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in, | |
4412 | .get_sys_info = qla4xxx_get_sys_info, | |
33693c7a VC |
4413 | .queue_mailbox_command = qla4xxx_queue_mbox_cmd, |
4414 | .process_mailbox_interrupt = qla4xxx_process_mbox_intr, | |
f4f5df23 VC |
4415 | }; |
4416 | ||
7664a1fd | 4417 | static struct isp_operations qla4_82xx_isp_ops = { |
f4f5df23 VC |
4418 | .iospace_config = qla4_8xxx_iospace_config, |
4419 | .pci_config = qla4_8xxx_pci_config, | |
f8086f4f VC |
4420 | .disable_intrs = qla4_82xx_disable_intrs, |
4421 | .enable_intrs = qla4_82xx_enable_intrs, | |
f4f5df23 | 4422 | .start_firmware = qla4_8xxx_load_risc, |
33693c7a | 4423 | .restart_firmware = qla4_82xx_try_start_fw, |
f8086f4f VC |
4424 | .intr_handler = qla4_82xx_intr_handler, |
4425 | .interrupt_service_routine = qla4_82xx_interrupt_service_routine, | |
33693c7a | 4426 | .need_reset = qla4_8xxx_need_reset, |
f8086f4f | 4427 | .reset_chip = qla4_82xx_isp_reset, |
f4f5df23 | 4428 | .reset_firmware = qla4_8xxx_stop_firmware, |
f8086f4f VC |
4429 | .queue_iocb = qla4_82xx_queue_iocb, |
4430 | .complete_iocb = qla4_82xx_complete_iocb, | |
4431 | .rd_shdw_req_q_out = qla4_82xx_rd_shdw_req_q_out, | |
4432 | .rd_shdw_rsp_q_in = qla4_82xx_rd_shdw_rsp_q_in, | |
f4f5df23 | 4433 | .get_sys_info = qla4_8xxx_get_sys_info, |
33693c7a VC |
4434 | .rd_reg_direct = qla4_82xx_rd_32, |
4435 | .wr_reg_direct = qla4_82xx_wr_32, | |
4436 | .rd_reg_indirect = qla4_82xx_md_rd_32, | |
4437 | .wr_reg_indirect = qla4_82xx_md_wr_32, | |
4438 | .idc_lock = qla4_82xx_idc_lock, | |
4439 | .idc_unlock = qla4_82xx_idc_unlock, | |
4440 | .rom_lock_recovery = qla4_82xx_rom_lock_recovery, | |
4441 | .queue_mailbox_command = qla4_82xx_queue_mbox_cmd, | |
4442 | .process_mailbox_interrupt = qla4_82xx_process_mbox_intr, | |
f4f5df23 VC |
4443 | }; |
4444 | ||
6e7b4292 VC |
4445 | static struct isp_operations qla4_83xx_isp_ops = { |
4446 | .iospace_config = qla4_8xxx_iospace_config, | |
4447 | .pci_config = qla4_8xxx_pci_config, | |
4448 | .disable_intrs = qla4_83xx_disable_intrs, | |
4449 | .enable_intrs = qla4_83xx_enable_intrs, | |
4450 | .start_firmware = qla4_8xxx_load_risc, | |
4451 | .restart_firmware = qla4_83xx_start_firmware, | |
4452 | .intr_handler = qla4_83xx_intr_handler, | |
4453 | .interrupt_service_routine = qla4_83xx_interrupt_service_routine, | |
4454 | .need_reset = qla4_8xxx_need_reset, | |
4455 | .reset_chip = qla4_83xx_isp_reset, | |
4456 | .reset_firmware = qla4_8xxx_stop_firmware, | |
4457 | .queue_iocb = qla4_83xx_queue_iocb, | |
4458 | .complete_iocb = qla4_83xx_complete_iocb, | |
a24058f9 TP |
4459 | .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out, |
4460 | .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in, | |
6e7b4292 VC |
4461 | .get_sys_info = qla4_8xxx_get_sys_info, |
4462 | .rd_reg_direct = qla4_83xx_rd_reg, | |
4463 | .wr_reg_direct = qla4_83xx_wr_reg, | |
4464 | .rd_reg_indirect = qla4_83xx_rd_reg_indirect, | |
4465 | .wr_reg_indirect = qla4_83xx_wr_reg_indirect, | |
4466 | .idc_lock = qla4_83xx_drv_lock, | |
4467 | .idc_unlock = qla4_83xx_drv_unlock, | |
4468 | .rom_lock_recovery = qla4_83xx_rom_lock_recovery, | |
4469 | .queue_mailbox_command = qla4_83xx_queue_mbox_cmd, | |
4470 | .process_mailbox_interrupt = qla4_83xx_process_mbox_intr, | |
f4f5df23 VC |
4471 | }; |
4472 | ||
4473 | uint16_t qla4xxx_rd_shdw_req_q_out(struct scsi_qla_host *ha) | |
4474 | { | |
4475 | return (uint16_t)le32_to_cpu(ha->shadow_regs->req_q_out); | |
4476 | } | |
4477 | ||
f8086f4f | 4478 | uint16_t qla4_82xx_rd_shdw_req_q_out(struct scsi_qla_host *ha) |
f4f5df23 | 4479 | { |
7664a1fd | 4480 | return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->req_q_out)); |
f4f5df23 VC |
4481 | } |
4482 | ||
4483 | uint16_t qla4xxx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha) | |
4484 | { | |
4485 | return (uint16_t)le32_to_cpu(ha->shadow_regs->rsp_q_in); | |
4486 | } | |
4487 | ||
f8086f4f | 4488 | uint16_t qla4_82xx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha) |
f4f5df23 | 4489 | { |
7664a1fd | 4490 | return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->rsp_q_in)); |
f4f5df23 VC |
4491 | } |
4492 | ||
2a991c21 MR |
4493 | static ssize_t qla4xxx_show_boot_eth_info(void *data, int type, char *buf) |
4494 | { | |
4495 | struct scsi_qla_host *ha = data; | |
4496 | char *str = buf; | |
4497 | int rc; | |
4498 | ||
4499 | switch (type) { | |
4500 | case ISCSI_BOOT_ETH_FLAGS: | |
4501 | rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT); | |
4502 | break; | |
4503 | case ISCSI_BOOT_ETH_INDEX: | |
4504 | rc = sprintf(str, "0\n"); | |
4505 | break; | |
4506 | case ISCSI_BOOT_ETH_MAC: | |
4507 | rc = sysfs_format_mac(str, ha->my_mac, | |
4508 | MAC_ADDR_LEN); | |
4509 | break; | |
4510 | default: | |
4511 | rc = -ENOSYS; | |
4512 | break; | |
4513 | } | |
4514 | return rc; | |
4515 | } | |
4516 | ||
587a1f16 | 4517 | static umode_t qla4xxx_eth_get_attr_visibility(void *data, int type) |
2a991c21 MR |
4518 | { |
4519 | int rc; | |
4520 | ||
4521 | switch (type) { | |
4522 | case ISCSI_BOOT_ETH_FLAGS: | |
4523 | case ISCSI_BOOT_ETH_MAC: | |
4524 | case ISCSI_BOOT_ETH_INDEX: | |
4525 | rc = S_IRUGO; | |
4526 | break; | |
4527 | default: | |
4528 | rc = 0; | |
4529 | break; | |
4530 | } | |
4531 | return rc; | |
4532 | } | |
4533 | ||
4534 | static ssize_t qla4xxx_show_boot_ini_info(void *data, int type, char *buf) | |
4535 | { | |
4536 | struct scsi_qla_host *ha = data; | |
4537 | char *str = buf; | |
4538 | int rc; | |
4539 | ||
4540 | switch (type) { | |
4541 | case ISCSI_BOOT_INI_INITIATOR_NAME: | |
4542 | rc = sprintf(str, "%s\n", ha->name_string); | |
4543 | break; | |
4544 | default: | |
4545 | rc = -ENOSYS; | |
4546 | break; | |
4547 | } | |
4548 | return rc; | |
4549 | } | |
4550 | ||
587a1f16 | 4551 | static umode_t qla4xxx_ini_get_attr_visibility(void *data, int type) |
2a991c21 MR |
4552 | { |
4553 | int rc; | |
4554 | ||
4555 | switch (type) { | |
4556 | case ISCSI_BOOT_INI_INITIATOR_NAME: | |
4557 | rc = S_IRUGO; | |
4558 | break; | |
4559 | default: | |
4560 | rc = 0; | |
4561 | break; | |
4562 | } | |
4563 | return rc; | |
4564 | } | |
4565 | ||
4566 | static ssize_t | |
4567 | qla4xxx_show_boot_tgt_info(struct ql4_boot_session_info *boot_sess, int type, | |
4568 | char *buf) | |
4569 | { | |
4570 | struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0]; | |
4571 | char *str = buf; | |
4572 | int rc; | |
4573 | ||
4574 | switch (type) { | |
4575 | case ISCSI_BOOT_TGT_NAME: | |
4576 | rc = sprintf(buf, "%s\n", (char *)&boot_sess->target_name); | |
4577 | break; | |
4578 | case ISCSI_BOOT_TGT_IP_ADDR: | |
4579 | if (boot_sess->conn_list[0].dest_ipaddr.ip_type == 0x1) | |
4580 | rc = sprintf(buf, "%pI4\n", | |
4581 | &boot_conn->dest_ipaddr.ip_address); | |
4582 | else | |
4583 | rc = sprintf(str, "%pI6\n", | |
4584 | &boot_conn->dest_ipaddr.ip_address); | |
4585 | break; | |
4586 | case ISCSI_BOOT_TGT_PORT: | |
4587 | rc = sprintf(str, "%d\n", boot_conn->dest_port); | |
4588 | break; | |
4589 | case ISCSI_BOOT_TGT_CHAP_NAME: | |
4590 | rc = sprintf(str, "%.*s\n", | |
4591 | boot_conn->chap.target_chap_name_length, | |
4592 | (char *)&boot_conn->chap.target_chap_name); | |
4593 | break; | |
4594 | case ISCSI_BOOT_TGT_CHAP_SECRET: | |
4595 | rc = sprintf(str, "%.*s\n", | |
4596 | boot_conn->chap.target_secret_length, | |
4597 | (char *)&boot_conn->chap.target_secret); | |
4598 | break; | |
4599 | case ISCSI_BOOT_TGT_REV_CHAP_NAME: | |
4600 | rc = sprintf(str, "%.*s\n", | |
4601 | boot_conn->chap.intr_chap_name_length, | |
4602 | (char *)&boot_conn->chap.intr_chap_name); | |
4603 | break; | |
4604 | case ISCSI_BOOT_TGT_REV_CHAP_SECRET: | |
4605 | rc = sprintf(str, "%.*s\n", | |
4606 | boot_conn->chap.intr_secret_length, | |
4607 | (char *)&boot_conn->chap.intr_secret); | |
4608 | break; | |
4609 | case ISCSI_BOOT_TGT_FLAGS: | |
4610 | rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT); | |
4611 | break; | |
4612 | case ISCSI_BOOT_TGT_NIC_ASSOC: | |
4613 | rc = sprintf(str, "0\n"); | |
4614 | break; | |
4615 | default: | |
4616 | rc = -ENOSYS; | |
4617 | break; | |
4618 | } | |
4619 | return rc; | |
4620 | } | |
4621 | ||
4622 | static ssize_t qla4xxx_show_boot_tgt_pri_info(void *data, int type, char *buf) | |
4623 | { | |
4624 | struct scsi_qla_host *ha = data; | |
4625 | struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_pri_sess); | |
4626 | ||
4627 | return qla4xxx_show_boot_tgt_info(boot_sess, type, buf); | |
4628 | } | |
4629 | ||
4630 | static ssize_t qla4xxx_show_boot_tgt_sec_info(void *data, int type, char *buf) | |
4631 | { | |
4632 | struct scsi_qla_host *ha = data; | |
4633 | struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_sec_sess); | |
4634 | ||
4635 | return qla4xxx_show_boot_tgt_info(boot_sess, type, buf); | |
4636 | } | |
4637 | ||
587a1f16 | 4638 | static umode_t qla4xxx_tgt_get_attr_visibility(void *data, int type) |
2a991c21 MR |
4639 | { |
4640 | int rc; | |
4641 | ||
4642 | switch (type) { | |
4643 | case ISCSI_BOOT_TGT_NAME: | |
4644 | case ISCSI_BOOT_TGT_IP_ADDR: | |
4645 | case ISCSI_BOOT_TGT_PORT: | |
4646 | case ISCSI_BOOT_TGT_CHAP_NAME: | |
4647 | case ISCSI_BOOT_TGT_CHAP_SECRET: | |
4648 | case ISCSI_BOOT_TGT_REV_CHAP_NAME: | |
4649 | case ISCSI_BOOT_TGT_REV_CHAP_SECRET: | |
4650 | case ISCSI_BOOT_TGT_NIC_ASSOC: | |
4651 | case ISCSI_BOOT_TGT_FLAGS: | |
4652 | rc = S_IRUGO; | |
4653 | break; | |
4654 | default: | |
4655 | rc = 0; | |
4656 | break; | |
4657 | } | |
4658 | return rc; | |
4659 | } | |
4660 | ||
4661 | static void qla4xxx_boot_release(void *data) | |
4662 | { | |
4663 | struct scsi_qla_host *ha = data; | |
4664 | ||
4665 | scsi_host_put(ha->host); | |
4666 | } | |
4667 | ||
4668 | static int get_fw_boot_info(struct scsi_qla_host *ha, uint16_t ddb_index[]) | |
4669 | { | |
4670 | dma_addr_t buf_dma; | |
4671 | uint32_t addr, pri_addr, sec_addr; | |
4672 | uint32_t offset; | |
4673 | uint16_t func_num; | |
4674 | uint8_t val; | |
4675 | uint8_t *buf = NULL; | |
4676 | size_t size = 13 * sizeof(uint8_t); | |
4677 | int ret = QLA_SUCCESS; | |
4678 | ||
4679 | func_num = PCI_FUNC(ha->pdev->devfn); | |
4680 | ||
0d5b36b8 MR |
4681 | ql4_printk(KERN_INFO, ha, "%s: Get FW boot info for 0x%x func %d\n", |
4682 | __func__, ha->pdev->device, func_num); | |
2a991c21 | 4683 | |
0d5b36b8 | 4684 | if (is_qla40XX(ha)) { |
2a991c21 MR |
4685 | if (func_num == 1) { |
4686 | addr = NVRAM_PORT0_BOOT_MODE; | |
4687 | pri_addr = NVRAM_PORT0_BOOT_PRI_TGT; | |
4688 | sec_addr = NVRAM_PORT0_BOOT_SEC_TGT; | |
4689 | } else if (func_num == 3) { | |
4690 | addr = NVRAM_PORT1_BOOT_MODE; | |
4691 | pri_addr = NVRAM_PORT1_BOOT_PRI_TGT; | |
4692 | sec_addr = NVRAM_PORT1_BOOT_SEC_TGT; | |
4693 | } else { | |
4694 | ret = QLA_ERROR; | |
4695 | goto exit_boot_info; | |
4696 | } | |
4697 | ||
4698 | /* Check Boot Mode */ | |
4699 | val = rd_nvram_byte(ha, addr); | |
4700 | if (!(val & 0x07)) { | |
e8fb00e0 MR |
4701 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Adapter boot " |
4702 | "options : 0x%x\n", __func__, val)); | |
2a991c21 MR |
4703 | ret = QLA_ERROR; |
4704 | goto exit_boot_info; | |
4705 | } | |
4706 | ||
4707 | /* get primary valid target index */ | |
4708 | val = rd_nvram_byte(ha, pri_addr); | |
4709 | if (val & BIT_7) | |
4710 | ddb_index[0] = (val & 0x7f); | |
2a991c21 MR |
4711 | |
4712 | /* get secondary valid target index */ | |
4713 | val = rd_nvram_byte(ha, sec_addr); | |
4714 | if (val & BIT_7) | |
4715 | ddb_index[1] = (val & 0x7f); | |
2a991c21 | 4716 | |
3e788fb1 | 4717 | } else if (is_qla80XX(ha)) { |
2a991c21 MR |
4718 | buf = dma_alloc_coherent(&ha->pdev->dev, size, |
4719 | &buf_dma, GFP_KERNEL); | |
4720 | if (!buf) { | |
4721 | DEBUG2(ql4_printk(KERN_ERR, ha, | |
4722 | "%s: Unable to allocate dma buffer\n", | |
4723 | __func__)); | |
4724 | ret = QLA_ERROR; | |
4725 | goto exit_boot_info; | |
4726 | } | |
4727 | ||
4728 | if (ha->port_num == 0) | |
4729 | offset = BOOT_PARAM_OFFSET_PORT0; | |
4730 | else if (ha->port_num == 1) | |
4731 | offset = BOOT_PARAM_OFFSET_PORT1; | |
4732 | else { | |
4733 | ret = QLA_ERROR; | |
4734 | goto exit_boot_info_free; | |
4735 | } | |
4736 | addr = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_iscsi_param * 4) + | |
4737 | offset; | |
4738 | if (qla4xxx_get_flash(ha, buf_dma, addr, | |
4739 | 13 * sizeof(uint8_t)) != QLA_SUCCESS) { | |
4740 | DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: Get Flash" | |
0bd7f842 | 4741 | " failed\n", ha->host_no, __func__)); |
2a991c21 MR |
4742 | ret = QLA_ERROR; |
4743 | goto exit_boot_info_free; | |
4744 | } | |
4745 | /* Check Boot Mode */ | |
4746 | if (!(buf[1] & 0x07)) { | |
e8fb00e0 MR |
4747 | DEBUG2(ql4_printk(KERN_INFO, ha, "Firmware boot options" |
4748 | " : 0x%x\n", buf[1])); | |
2a991c21 MR |
4749 | ret = QLA_ERROR; |
4750 | goto exit_boot_info_free; | |
4751 | } | |
4752 | ||
4753 | /* get primary valid target index */ | |
4754 | if (buf[2] & BIT_7) | |
4755 | ddb_index[0] = buf[2] & 0x7f; | |
2a991c21 MR |
4756 | |
4757 | /* get secondary valid target index */ | |
4758 | if (buf[11] & BIT_7) | |
4759 | ddb_index[1] = buf[11] & 0x7f; | |
2a991c21 MR |
4760 | } else { |
4761 | ret = QLA_ERROR; | |
4762 | goto exit_boot_info; | |
4763 | } | |
4764 | ||
4765 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary target ID %d, Secondary" | |
4766 | " target ID %d\n", __func__, ddb_index[0], | |
4767 | ddb_index[1])); | |
4768 | ||
4769 | exit_boot_info_free: | |
4770 | dma_free_coherent(&ha->pdev->dev, size, buf, buf_dma); | |
4771 | exit_boot_info: | |
20e835b4 LC |
4772 | ha->pri_ddb_idx = ddb_index[0]; |
4773 | ha->sec_ddb_idx = ddb_index[1]; | |
2a991c21 MR |
4774 | return ret; |
4775 | } | |
4776 | ||
28deb45c LC |
4777 | /** |
4778 | * qla4xxx_get_bidi_chap - Get a BIDI CHAP user and password | |
4779 | * @ha: pointer to adapter structure | |
4780 | * @username: CHAP username to be returned | |
4781 | * @password: CHAP password to be returned | |
4782 | * | |
4783 | * If a boot entry has BIDI CHAP enabled then we need to set the BIDI CHAP | |
4784 | * user and password in the sysfs entry in /sys/firmware/iscsi_boot#/. | |
4785 | * So from the CHAP cache find the first BIDI CHAP entry and set it | |
4786 | * to the boot record in sysfs. | |
4787 | **/ | |
4788 | static int qla4xxx_get_bidi_chap(struct scsi_qla_host *ha, char *username, | |
4789 | char *password) | |
4790 | { | |
4791 | int i, ret = -EINVAL; | |
4792 | int max_chap_entries = 0; | |
4793 | struct ql4_chap_table *chap_table; | |
4794 | ||
d11b0ca3 | 4795 | if (is_qla80XX(ha)) |
28deb45c LC |
4796 | max_chap_entries = (ha->hw.flt_chap_size / 2) / |
4797 | sizeof(struct ql4_chap_table); | |
4798 | else | |
4799 | max_chap_entries = MAX_CHAP_ENTRIES_40XX; | |
4800 | ||
4801 | if (!ha->chap_list) { | |
4802 | ql4_printk(KERN_ERR, ha, "Do not have CHAP table cache\n"); | |
4803 | return ret; | |
4804 | } | |
4805 | ||
4806 | mutex_lock(&ha->chap_sem); | |
4807 | for (i = 0; i < max_chap_entries; i++) { | |
4808 | chap_table = (struct ql4_chap_table *)ha->chap_list + i; | |
4809 | if (chap_table->cookie != | |
4810 | __constant_cpu_to_le16(CHAP_VALID_COOKIE)) { | |
4811 | continue; | |
4812 | } | |
4813 | ||
4814 | if (chap_table->flags & BIT_7) /* local */ | |
4815 | continue; | |
4816 | ||
4817 | if (!(chap_table->flags & BIT_6)) /* Not BIDI */ | |
4818 | continue; | |
4819 | ||
4820 | strncpy(password, chap_table->secret, QL4_CHAP_MAX_SECRET_LEN); | |
4821 | strncpy(username, chap_table->name, QL4_CHAP_MAX_NAME_LEN); | |
4822 | ret = 0; | |
4823 | break; | |
4824 | } | |
4825 | mutex_unlock(&ha->chap_sem); | |
4826 | ||
4827 | return ret; | |
4828 | } | |
4829 | ||
4830 | ||
2a991c21 MR |
4831 | static int qla4xxx_get_boot_target(struct scsi_qla_host *ha, |
4832 | struct ql4_boot_session_info *boot_sess, | |
4833 | uint16_t ddb_index) | |
4834 | { | |
4835 | struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0]; | |
4836 | struct dev_db_entry *fw_ddb_entry; | |
4837 | dma_addr_t fw_ddb_entry_dma; | |
4838 | uint16_t idx; | |
4839 | uint16_t options; | |
4840 | int ret = QLA_SUCCESS; | |
4841 | ||
4842 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
4843 | &fw_ddb_entry_dma, GFP_KERNEL); | |
4844 | if (!fw_ddb_entry) { | |
4845 | DEBUG2(ql4_printk(KERN_ERR, ha, | |
4846 | "%s: Unable to allocate dma buffer.\n", | |
4847 | __func__)); | |
4848 | ret = QLA_ERROR; | |
4849 | return ret; | |
4850 | } | |
4851 | ||
4852 | if (qla4xxx_bootdb_by_index(ha, fw_ddb_entry, | |
4853 | fw_ddb_entry_dma, ddb_index)) { | |
e8fb00e0 MR |
4854 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: No Flash DDB found at " |
4855 | "index [%d]\n", __func__, ddb_index)); | |
2a991c21 MR |
4856 | ret = QLA_ERROR; |
4857 | goto exit_boot_target; | |
4858 | } | |
4859 | ||
4860 | /* Update target name and IP from DDB */ | |
4861 | memcpy(boot_sess->target_name, fw_ddb_entry->iscsi_name, | |
4862 | min(sizeof(boot_sess->target_name), | |
4863 | sizeof(fw_ddb_entry->iscsi_name))); | |
4864 | ||
4865 | options = le16_to_cpu(fw_ddb_entry->options); | |
4866 | if (options & DDB_OPT_IPV6_DEVICE) { | |
4867 | memcpy(&boot_conn->dest_ipaddr.ip_address, | |
4868 | &fw_ddb_entry->ip_addr[0], IPv6_ADDR_LEN); | |
4869 | } else { | |
4870 | boot_conn->dest_ipaddr.ip_type = 0x1; | |
4871 | memcpy(&boot_conn->dest_ipaddr.ip_address, | |
4872 | &fw_ddb_entry->ip_addr[0], IP_ADDR_LEN); | |
4873 | } | |
4874 | ||
4875 | boot_conn->dest_port = le16_to_cpu(fw_ddb_entry->port); | |
4876 | ||
4877 | /* update chap information */ | |
4878 | idx = __le16_to_cpu(fw_ddb_entry->chap_tbl_idx); | |
4879 | ||
4880 | if (BIT_7 & le16_to_cpu(fw_ddb_entry->iscsi_options)) { | |
4881 | ||
4882 | DEBUG2(ql4_printk(KERN_INFO, ha, "Setting chap\n")); | |
4883 | ||
4884 | ret = qla4xxx_get_chap(ha, (char *)&boot_conn->chap. | |
4885 | target_chap_name, | |
4886 | (char *)&boot_conn->chap.target_secret, | |
4887 | idx); | |
4888 | if (ret) { | |
4889 | ql4_printk(KERN_ERR, ha, "Failed to set chap\n"); | |
4890 | ret = QLA_ERROR; | |
4891 | goto exit_boot_target; | |
4892 | } | |
4893 | ||
4894 | boot_conn->chap.target_chap_name_length = QL4_CHAP_MAX_NAME_LEN; | |
4895 | boot_conn->chap.target_secret_length = QL4_CHAP_MAX_SECRET_LEN; | |
4896 | } | |
4897 | ||
4898 | if (BIT_4 & le16_to_cpu(fw_ddb_entry->iscsi_options)) { | |
4899 | ||
4900 | DEBUG2(ql4_printk(KERN_INFO, ha, "Setting BIDI chap\n")); | |
4901 | ||
28deb45c LC |
4902 | ret = qla4xxx_get_bidi_chap(ha, |
4903 | (char *)&boot_conn->chap.intr_chap_name, | |
4904 | (char *)&boot_conn->chap.intr_secret); | |
4905 | ||
2a991c21 MR |
4906 | if (ret) { |
4907 | ql4_printk(KERN_ERR, ha, "Failed to set BIDI chap\n"); | |
4908 | ret = QLA_ERROR; | |
4909 | goto exit_boot_target; | |
4910 | } | |
4911 | ||
4912 | boot_conn->chap.intr_chap_name_length = QL4_CHAP_MAX_NAME_LEN; | |
4913 | boot_conn->chap.intr_secret_length = QL4_CHAP_MAX_SECRET_LEN; | |
4914 | } | |
4915 | ||
4916 | exit_boot_target: | |
4917 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
4918 | fw_ddb_entry, fw_ddb_entry_dma); | |
4919 | return ret; | |
4920 | } | |
4921 | ||
4922 | static int qla4xxx_get_boot_info(struct scsi_qla_host *ha) | |
4923 | { | |
4924 | uint16_t ddb_index[2]; | |
8de5b958 LC |
4925 | int ret = QLA_ERROR; |
4926 | int rval; | |
2a991c21 MR |
4927 | |
4928 | memset(ddb_index, 0, sizeof(ddb_index)); | |
8de5b958 LC |
4929 | ddb_index[0] = 0xffff; |
4930 | ddb_index[1] = 0xffff; | |
2a991c21 MR |
4931 | ret = get_fw_boot_info(ha, ddb_index); |
4932 | if (ret != QLA_SUCCESS) { | |
e8fb00e0 MR |
4933 | DEBUG2(ql4_printk(KERN_INFO, ha, |
4934 | "%s: No boot target configured.\n", __func__)); | |
2a991c21 MR |
4935 | return ret; |
4936 | } | |
4937 | ||
13483730 MC |
4938 | if (ql4xdisablesysfsboot) |
4939 | return QLA_SUCCESS; | |
4940 | ||
8de5b958 LC |
4941 | if (ddb_index[0] == 0xffff) |
4942 | goto sec_target; | |
4943 | ||
4944 | rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_pri_sess), | |
2a991c21 | 4945 | ddb_index[0]); |
8de5b958 | 4946 | if (rval != QLA_SUCCESS) { |
e8fb00e0 MR |
4947 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary boot target not " |
4948 | "configured\n", __func__)); | |
8de5b958 LC |
4949 | } else |
4950 | ret = QLA_SUCCESS; | |
2a991c21 | 4951 | |
8de5b958 LC |
4952 | sec_target: |
4953 | if (ddb_index[1] == 0xffff) | |
4954 | goto exit_get_boot_info; | |
4955 | ||
4956 | rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_sec_sess), | |
2a991c21 | 4957 | ddb_index[1]); |
8de5b958 | 4958 | if (rval != QLA_SUCCESS) { |
e8fb00e0 MR |
4959 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Secondary boot target not" |
4960 | " configured\n", __func__)); | |
8de5b958 LC |
4961 | } else |
4962 | ret = QLA_SUCCESS; | |
4963 | ||
4964 | exit_get_boot_info: | |
2a991c21 MR |
4965 | return ret; |
4966 | } | |
4967 | ||
4968 | static int qla4xxx_setup_boot_info(struct scsi_qla_host *ha) | |
4969 | { | |
4970 | struct iscsi_boot_kobj *boot_kobj; | |
4971 | ||
4972 | if (qla4xxx_get_boot_info(ha) != QLA_SUCCESS) | |
13483730 MC |
4973 | return QLA_ERROR; |
4974 | ||
4975 | if (ql4xdisablesysfsboot) { | |
4976 | ql4_printk(KERN_INFO, ha, | |
0bd7f842 | 4977 | "%s: syfsboot disabled - driver will trigger login " |
13483730 MC |
4978 | "and publish session for discovery .\n", __func__); |
4979 | return QLA_SUCCESS; | |
4980 | } | |
4981 | ||
2a991c21 MR |
4982 | |
4983 | ha->boot_kset = iscsi_boot_create_host_kset(ha->host->host_no); | |
4984 | if (!ha->boot_kset) | |
4985 | goto kset_free; | |
4986 | ||
4987 | if (!scsi_host_get(ha->host)) | |
4988 | goto kset_free; | |
4989 | boot_kobj = iscsi_boot_create_target(ha->boot_kset, 0, ha, | |
4990 | qla4xxx_show_boot_tgt_pri_info, | |
4991 | qla4xxx_tgt_get_attr_visibility, | |
4992 | qla4xxx_boot_release); | |
4993 | if (!boot_kobj) | |
4994 | goto put_host; | |
4995 | ||
4996 | if (!scsi_host_get(ha->host)) | |
4997 | goto kset_free; | |
4998 | boot_kobj = iscsi_boot_create_target(ha->boot_kset, 1, ha, | |
4999 | qla4xxx_show_boot_tgt_sec_info, | |
5000 | qla4xxx_tgt_get_attr_visibility, | |
5001 | qla4xxx_boot_release); | |
5002 | if (!boot_kobj) | |
5003 | goto put_host; | |
5004 | ||
5005 | if (!scsi_host_get(ha->host)) | |
5006 | goto kset_free; | |
5007 | boot_kobj = iscsi_boot_create_initiator(ha->boot_kset, 0, ha, | |
5008 | qla4xxx_show_boot_ini_info, | |
5009 | qla4xxx_ini_get_attr_visibility, | |
5010 | qla4xxx_boot_release); | |
5011 | if (!boot_kobj) | |
5012 | goto put_host; | |
5013 | ||
5014 | if (!scsi_host_get(ha->host)) | |
5015 | goto kset_free; | |
5016 | boot_kobj = iscsi_boot_create_ethernet(ha->boot_kset, 0, ha, | |
5017 | qla4xxx_show_boot_eth_info, | |
5018 | qla4xxx_eth_get_attr_visibility, | |
5019 | qla4xxx_boot_release); | |
5020 | if (!boot_kobj) | |
5021 | goto put_host; | |
5022 | ||
13483730 | 5023 | return QLA_SUCCESS; |
2a991c21 MR |
5024 | |
5025 | put_host: | |
5026 | scsi_host_put(ha->host); | |
5027 | kset_free: | |
5028 | iscsi_boot_destroy_kset(ha->boot_kset); | |
5029 | return -ENOMEM; | |
5030 | } | |
5031 | ||
4549415a LC |
5032 | |
5033 | /** | |
5034 | * qla4xxx_create chap_list - Create CHAP list from FLASH | |
5035 | * @ha: pointer to adapter structure | |
5036 | * | |
5037 | * Read flash and make a list of CHAP entries, during login when a CHAP entry | |
5038 | * is received, it will be checked in this list. If entry exist then the CHAP | |
5039 | * entry index is set in the DDB. If CHAP entry does not exist in this list | |
5040 | * then a new entry is added in FLASH in CHAP table and the index obtained is | |
5041 | * used in the DDB. | |
5042 | **/ | |
5043 | static void qla4xxx_create_chap_list(struct scsi_qla_host *ha) | |
5044 | { | |
5045 | int rval = 0; | |
5046 | uint8_t *chap_flash_data = NULL; | |
5047 | uint32_t offset; | |
5048 | dma_addr_t chap_dma; | |
5049 | uint32_t chap_size = 0; | |
5050 | ||
5051 | if (is_qla40XX(ha)) | |
5052 | chap_size = MAX_CHAP_ENTRIES_40XX * | |
5053 | sizeof(struct ql4_chap_table); | |
5054 | else /* Single region contains CHAP info for both | |
5055 | * ports which is divided into half for each port. | |
5056 | */ | |
5057 | chap_size = ha->hw.flt_chap_size / 2; | |
5058 | ||
5059 | chap_flash_data = dma_alloc_coherent(&ha->pdev->dev, chap_size, | |
5060 | &chap_dma, GFP_KERNEL); | |
5061 | if (!chap_flash_data) { | |
5062 | ql4_printk(KERN_ERR, ha, "No memory for chap_flash_data\n"); | |
5063 | return; | |
5064 | } | |
5065 | if (is_qla40XX(ha)) | |
5066 | offset = FLASH_CHAP_OFFSET; | |
5067 | else { | |
5068 | offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2); | |
5069 | if (ha->port_num == 1) | |
5070 | offset += chap_size; | |
5071 | } | |
5072 | ||
5073 | rval = qla4xxx_get_flash(ha, chap_dma, offset, chap_size); | |
5074 | if (rval != QLA_SUCCESS) | |
5075 | goto exit_chap_list; | |
5076 | ||
5077 | if (ha->chap_list == NULL) | |
5078 | ha->chap_list = vmalloc(chap_size); | |
5079 | if (ha->chap_list == NULL) { | |
5080 | ql4_printk(KERN_ERR, ha, "No memory for ha->chap_list\n"); | |
5081 | goto exit_chap_list; | |
5082 | } | |
5083 | ||
5084 | memcpy(ha->chap_list, chap_flash_data, chap_size); | |
5085 | ||
5086 | exit_chap_list: | |
5087 | dma_free_coherent(&ha->pdev->dev, chap_size, | |
5088 | chap_flash_data, chap_dma); | |
4549415a LC |
5089 | } |
5090 | ||
13483730 MC |
5091 | static void qla4xxx_get_param_ddb(struct ddb_entry *ddb_entry, |
5092 | struct ql4_tuple_ddb *tddb) | |
5093 | { | |
5094 | struct scsi_qla_host *ha; | |
5095 | struct iscsi_cls_session *cls_sess; | |
5096 | struct iscsi_cls_conn *cls_conn; | |
5097 | struct iscsi_session *sess; | |
5098 | struct iscsi_conn *conn; | |
5099 | ||
5100 | DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); | |
5101 | ha = ddb_entry->ha; | |
5102 | cls_sess = ddb_entry->sess; | |
5103 | sess = cls_sess->dd_data; | |
5104 | cls_conn = ddb_entry->conn; | |
5105 | conn = cls_conn->dd_data; | |
5106 | ||
5107 | tddb->tpgt = sess->tpgt; | |
5108 | tddb->port = conn->persistent_port; | |
5109 | strncpy(tddb->iscsi_name, sess->targetname, ISCSI_NAME_SIZE); | |
5110 | strncpy(tddb->ip_addr, conn->persistent_address, DDB_IPADDR_LEN); | |
5111 | } | |
5112 | ||
5113 | static void qla4xxx_convert_param_ddb(struct dev_db_entry *fw_ddb_entry, | |
1cb78d73 VC |
5114 | struct ql4_tuple_ddb *tddb, |
5115 | uint8_t *flash_isid) | |
13483730 MC |
5116 | { |
5117 | uint16_t options = 0; | |
5118 | ||
5119 | tddb->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); | |
5120 | memcpy(&tddb->iscsi_name[0], &fw_ddb_entry->iscsi_name[0], | |
5121 | min(sizeof(tddb->iscsi_name), sizeof(fw_ddb_entry->iscsi_name))); | |
5122 | ||
5123 | options = le16_to_cpu(fw_ddb_entry->options); | |
5124 | if (options & DDB_OPT_IPV6_DEVICE) | |
5125 | sprintf(tddb->ip_addr, "%pI6", fw_ddb_entry->ip_addr); | |
5126 | else | |
5127 | sprintf(tddb->ip_addr, "%pI4", fw_ddb_entry->ip_addr); | |
5128 | ||
5129 | tddb->port = le16_to_cpu(fw_ddb_entry->port); | |
1cb78d73 VC |
5130 | |
5131 | if (flash_isid == NULL) | |
5132 | memcpy(&tddb->isid[0], &fw_ddb_entry->isid[0], | |
5133 | sizeof(tddb->isid)); | |
5134 | else | |
5135 | memcpy(&tddb->isid[0], &flash_isid[0], sizeof(tddb->isid)); | |
13483730 MC |
5136 | } |
5137 | ||
5138 | static int qla4xxx_compare_tuple_ddb(struct scsi_qla_host *ha, | |
5139 | struct ql4_tuple_ddb *old_tddb, | |
173269ef MR |
5140 | struct ql4_tuple_ddb *new_tddb, |
5141 | uint8_t is_isid_compare) | |
13483730 MC |
5142 | { |
5143 | if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name)) | |
5144 | return QLA_ERROR; | |
5145 | ||
5146 | if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr)) | |
5147 | return QLA_ERROR; | |
5148 | ||
5149 | if (old_tddb->port != new_tddb->port) | |
5150 | return QLA_ERROR; | |
5151 | ||
173269ef | 5152 | /* For multi sessions, driver generates the ISID, so do not compare |
59e13d48 | 5153 | * ISID in reset path since it would be a comparison between the |
173269ef MR |
5154 | * driver generated ISID and firmware generated ISID. This could |
5155 | * lead to adding duplicated DDBs in the list as driver generated | |
5156 | * ISID would not match firmware generated ISID. | |
5157 | */ | |
5158 | if (is_isid_compare) { | |
5159 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: old ISID [%02x%02x%02x" | |
5160 | "%02x%02x%02x] New ISID [%02x%02x%02x%02x%02x%02x]\n", | |
5161 | __func__, old_tddb->isid[5], old_tddb->isid[4], | |
5162 | old_tddb->isid[3], old_tddb->isid[2], old_tddb->isid[1], | |
5163 | old_tddb->isid[0], new_tddb->isid[5], new_tddb->isid[4], | |
5164 | new_tddb->isid[3], new_tddb->isid[2], new_tddb->isid[1], | |
5165 | new_tddb->isid[0])); | |
5166 | ||
5167 | if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0], | |
5168 | sizeof(old_tddb->isid))) | |
5169 | return QLA_ERROR; | |
5170 | } | |
5171 | ||
13483730 MC |
5172 | DEBUG2(ql4_printk(KERN_INFO, ha, |
5173 | "Match Found, fw[%d,%d,%s,%s], [%d,%d,%s,%s]", | |
5174 | old_tddb->port, old_tddb->tpgt, old_tddb->ip_addr, | |
5175 | old_tddb->iscsi_name, new_tddb->port, new_tddb->tpgt, | |
5176 | new_tddb->ip_addr, new_tddb->iscsi_name)); | |
5177 | ||
5178 | return QLA_SUCCESS; | |
5179 | } | |
5180 | ||
5181 | static int qla4xxx_is_session_exists(struct scsi_qla_host *ha, | |
ad8bd45e MR |
5182 | struct dev_db_entry *fw_ddb_entry, |
5183 | uint32_t *index) | |
13483730 MC |
5184 | { |
5185 | struct ddb_entry *ddb_entry; | |
5186 | struct ql4_tuple_ddb *fw_tddb = NULL; | |
5187 | struct ql4_tuple_ddb *tmp_tddb = NULL; | |
5188 | int idx; | |
5189 | int ret = QLA_ERROR; | |
5190 | ||
5191 | fw_tddb = vzalloc(sizeof(*fw_tddb)); | |
5192 | if (!fw_tddb) { | |
5193 | DEBUG2(ql4_printk(KERN_WARNING, ha, | |
5194 | "Memory Allocation failed.\n")); | |
5195 | ret = QLA_SUCCESS; | |
5196 | goto exit_check; | |
5197 | } | |
5198 | ||
5199 | tmp_tddb = vzalloc(sizeof(*tmp_tddb)); | |
5200 | if (!tmp_tddb) { | |
5201 | DEBUG2(ql4_printk(KERN_WARNING, ha, | |
5202 | "Memory Allocation failed.\n")); | |
5203 | ret = QLA_SUCCESS; | |
5204 | goto exit_check; | |
5205 | } | |
5206 | ||
1cb78d73 | 5207 | qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL); |
13483730 MC |
5208 | |
5209 | for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { | |
5210 | ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); | |
5211 | if (ddb_entry == NULL) | |
5212 | continue; | |
5213 | ||
5214 | qla4xxx_get_param_ddb(ddb_entry, tmp_tddb); | |
173269ef | 5215 | if (!qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, false)) { |
13483730 | 5216 | ret = QLA_SUCCESS; /* found */ |
ad8bd45e MR |
5217 | if (index != NULL) |
5218 | *index = idx; | |
13483730 MC |
5219 | goto exit_check; |
5220 | } | |
5221 | } | |
5222 | ||
5223 | exit_check: | |
5224 | if (fw_tddb) | |
5225 | vfree(fw_tddb); | |
5226 | if (tmp_tddb) | |
5227 | vfree(tmp_tddb); | |
5228 | return ret; | |
5229 | } | |
5230 | ||
1cb78d73 VC |
5231 | /** |
5232 | * qla4xxx_check_existing_isid - check if target with same isid exist | |
5233 | * in target list | |
5234 | * @list_nt: list of target | |
5235 | * @isid: isid to check | |
5236 | * | |
5237 | * This routine return QLA_SUCCESS if target with same isid exist | |
5238 | **/ | |
5239 | static int qla4xxx_check_existing_isid(struct list_head *list_nt, uint8_t *isid) | |
5240 | { | |
5241 | struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp; | |
5242 | struct dev_db_entry *fw_ddb_entry; | |
5243 | ||
5244 | list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { | |
5245 | fw_ddb_entry = &nt_ddb_idx->fw_ddb; | |
5246 | ||
5247 | if (memcmp(&fw_ddb_entry->isid[0], &isid[0], | |
5248 | sizeof(nt_ddb_idx->fw_ddb.isid)) == 0) { | |
5249 | return QLA_SUCCESS; | |
5250 | } | |
5251 | } | |
5252 | return QLA_ERROR; | |
5253 | } | |
5254 | ||
5255 | /** | |
5256 | * qla4xxx_update_isid - compare ddbs and updated isid | |
5257 | * @ha: Pointer to host adapter structure. | |
5258 | * @list_nt: list of nt target | |
5259 | * @fw_ddb_entry: firmware ddb entry | |
5260 | * | |
5261 | * This routine update isid if ddbs have same iqn, same isid and | |
5262 | * different IP addr. | |
5263 | * Return QLA_SUCCESS if isid is updated. | |
5264 | **/ | |
5265 | static int qla4xxx_update_isid(struct scsi_qla_host *ha, | |
5266 | struct list_head *list_nt, | |
5267 | struct dev_db_entry *fw_ddb_entry) | |
5268 | { | |
5269 | uint8_t base_value, i; | |
5270 | ||
5271 | base_value = fw_ddb_entry->isid[1] & 0x1f; | |
5272 | for (i = 0; i < 8; i++) { | |
5273 | fw_ddb_entry->isid[1] = (base_value | (i << 5)); | |
5274 | if (qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid)) | |
5275 | break; | |
5276 | } | |
5277 | ||
5278 | if (!qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid)) | |
5279 | return QLA_ERROR; | |
5280 | ||
5281 | return QLA_SUCCESS; | |
5282 | } | |
5283 | ||
5284 | /** | |
5285 | * qla4xxx_should_update_isid - check if isid need to update | |
5286 | * @ha: Pointer to host adapter structure. | |
5287 | * @old_tddb: ddb tuple | |
5288 | * @new_tddb: ddb tuple | |
5289 | * | |
5290 | * Return QLA_SUCCESS if different IP, different PORT, same iqn, | |
5291 | * same isid | |
5292 | **/ | |
5293 | static int qla4xxx_should_update_isid(struct scsi_qla_host *ha, | |
5294 | struct ql4_tuple_ddb *old_tddb, | |
5295 | struct ql4_tuple_ddb *new_tddb) | |
5296 | { | |
5297 | if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr) == 0) { | |
5298 | /* Same ip */ | |
5299 | if (old_tddb->port == new_tddb->port) | |
5300 | return QLA_ERROR; | |
5301 | } | |
5302 | ||
5303 | if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name)) | |
5304 | /* different iqn */ | |
5305 | return QLA_ERROR; | |
5306 | ||
5307 | if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0], | |
5308 | sizeof(old_tddb->isid))) | |
5309 | /* different isid */ | |
5310 | return QLA_ERROR; | |
5311 | ||
5312 | return QLA_SUCCESS; | |
5313 | } | |
5314 | ||
5315 | /** | |
5316 | * qla4xxx_is_flash_ddb_exists - check if fw_ddb_entry already exists in list_nt | |
5317 | * @ha: Pointer to host adapter structure. | |
5318 | * @list_nt: list of nt target. | |
5319 | * @fw_ddb_entry: firmware ddb entry. | |
5320 | * | |
5321 | * This routine check if fw_ddb_entry already exists in list_nt to avoid | |
5322 | * duplicate ddb in list_nt. | |
5323 | * Return QLA_SUCCESS if duplicate ddb exit in list_nl. | |
5324 | * Note: This function also update isid of DDB if required. | |
5325 | **/ | |
5326 | ||
13483730 MC |
5327 | static int qla4xxx_is_flash_ddb_exists(struct scsi_qla_host *ha, |
5328 | struct list_head *list_nt, | |
5329 | struct dev_db_entry *fw_ddb_entry) | |
5330 | { | |
5331 | struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp; | |
5332 | struct ql4_tuple_ddb *fw_tddb = NULL; | |
5333 | struct ql4_tuple_ddb *tmp_tddb = NULL; | |
1cb78d73 | 5334 | int rval, ret = QLA_ERROR; |
13483730 MC |
5335 | |
5336 | fw_tddb = vzalloc(sizeof(*fw_tddb)); | |
5337 | if (!fw_tddb) { | |
5338 | DEBUG2(ql4_printk(KERN_WARNING, ha, | |
5339 | "Memory Allocation failed.\n")); | |
5340 | ret = QLA_SUCCESS; | |
5341 | goto exit_check; | |
5342 | } | |
5343 | ||
5344 | tmp_tddb = vzalloc(sizeof(*tmp_tddb)); | |
5345 | if (!tmp_tddb) { | |
5346 | DEBUG2(ql4_printk(KERN_WARNING, ha, | |
5347 | "Memory Allocation failed.\n")); | |
5348 | ret = QLA_SUCCESS; | |
5349 | goto exit_check; | |
5350 | } | |
5351 | ||
1cb78d73 | 5352 | qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL); |
13483730 MC |
5353 | |
5354 | list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { | |
1cb78d73 VC |
5355 | qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb, |
5356 | nt_ddb_idx->flash_isid); | |
5357 | ret = qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, true); | |
5358 | /* found duplicate ddb */ | |
5359 | if (ret == QLA_SUCCESS) | |
5360 | goto exit_check; | |
5361 | } | |
5362 | ||
5363 | list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { | |
5364 | qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb, NULL); | |
5365 | ||
5366 | ret = qla4xxx_should_update_isid(ha, tmp_tddb, fw_tddb); | |
5367 | if (ret == QLA_SUCCESS) { | |
5368 | rval = qla4xxx_update_isid(ha, list_nt, fw_ddb_entry); | |
5369 | if (rval == QLA_SUCCESS) | |
5370 | ret = QLA_ERROR; | |
5371 | else | |
5372 | ret = QLA_SUCCESS; | |
5373 | ||
13483730 MC |
5374 | goto exit_check; |
5375 | } | |
5376 | } | |
5377 | ||
5378 | exit_check: | |
5379 | if (fw_tddb) | |
5380 | vfree(fw_tddb); | |
5381 | if (tmp_tddb) | |
5382 | vfree(tmp_tddb); | |
5383 | return ret; | |
5384 | } | |
5385 | ||
4a4bc2e9 | 5386 | static void qla4xxx_free_ddb_list(struct list_head *list_ddb) |
13483730 | 5387 | { |
4a4bc2e9 | 5388 | struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; |
13483730 | 5389 | |
4a4bc2e9 LC |
5390 | list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { |
5391 | list_del_init(&ddb_idx->list); | |
5392 | vfree(ddb_idx); | |
13483730 | 5393 | } |
13483730 MC |
5394 | } |
5395 | ||
5396 | static struct iscsi_endpoint *qla4xxx_get_ep_fwdb(struct scsi_qla_host *ha, | |
5397 | struct dev_db_entry *fw_ddb_entry) | |
5398 | { | |
5399 | struct iscsi_endpoint *ep; | |
5400 | struct sockaddr_in *addr; | |
5401 | struct sockaddr_in6 *addr6; | |
3dd4849c MR |
5402 | struct sockaddr *t_addr; |
5403 | struct sockaddr_storage *dst_addr; | |
13483730 MC |
5404 | char *ip; |
5405 | ||
5406 | /* TODO: need to destroy on unload iscsi_endpoint*/ | |
5407 | dst_addr = vmalloc(sizeof(*dst_addr)); | |
5408 | if (!dst_addr) | |
5409 | return NULL; | |
5410 | ||
5411 | if (fw_ddb_entry->options & DDB_OPT_IPV6_DEVICE) { | |
3dd4849c MR |
5412 | t_addr = (struct sockaddr *)dst_addr; |
5413 | t_addr->sa_family = AF_INET6; | |
13483730 MC |
5414 | addr6 = (struct sockaddr_in6 *)dst_addr; |
5415 | ip = (char *)&addr6->sin6_addr; | |
5416 | memcpy(ip, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN); | |
5417 | addr6->sin6_port = htons(le16_to_cpu(fw_ddb_entry->port)); | |
5418 | ||
5419 | } else { | |
3dd4849c MR |
5420 | t_addr = (struct sockaddr *)dst_addr; |
5421 | t_addr->sa_family = AF_INET; | |
13483730 MC |
5422 | addr = (struct sockaddr_in *)dst_addr; |
5423 | ip = (char *)&addr->sin_addr; | |
5424 | memcpy(ip, fw_ddb_entry->ip_addr, IP_ADDR_LEN); | |
5425 | addr->sin_port = htons(le16_to_cpu(fw_ddb_entry->port)); | |
5426 | } | |
5427 | ||
3dd4849c | 5428 | ep = qla4xxx_ep_connect(ha->host, (struct sockaddr *)dst_addr, 0); |
13483730 MC |
5429 | vfree(dst_addr); |
5430 | return ep; | |
5431 | } | |
5432 | ||
5433 | static int qla4xxx_verify_boot_idx(struct scsi_qla_host *ha, uint16_t idx) | |
5434 | { | |
5435 | if (ql4xdisablesysfsboot) | |
5436 | return QLA_SUCCESS; | |
5437 | if (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx) | |
5438 | return QLA_ERROR; | |
5439 | return QLA_SUCCESS; | |
5440 | } | |
5441 | ||
5442 | static void qla4xxx_setup_flash_ddb_entry(struct scsi_qla_host *ha, | |
1dc8ed5d MR |
5443 | struct ddb_entry *ddb_entry, |
5444 | uint16_t idx) | |
13483730 | 5445 | { |
c28eaaca NJ |
5446 | uint16_t def_timeout; |
5447 | ||
13483730 MC |
5448 | ddb_entry->ddb_type = FLASH_DDB; |
5449 | ddb_entry->fw_ddb_index = INVALID_ENTRY; | |
5450 | ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE; | |
5451 | ddb_entry->ha = ha; | |
5452 | ddb_entry->unblock_sess = qla4xxx_unblock_flash_ddb; | |
5453 | ddb_entry->ddb_change = qla4xxx_flash_ddb_change; | |
946ac571 | 5454 | ddb_entry->chap_tbl_idx = INVALID_ENTRY; |
13483730 MC |
5455 | |
5456 | atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY); | |
5457 | atomic_set(&ddb_entry->relogin_timer, 0); | |
5458 | atomic_set(&ddb_entry->relogin_retry_count, 0); | |
c28eaaca | 5459 | def_timeout = le16_to_cpu(ddb_entry->fw_ddb_entry.def_timeout); |
13483730 | 5460 | ddb_entry->default_relogin_timeout = |
c28eaaca NJ |
5461 | (def_timeout > LOGIN_TOV) && (def_timeout < LOGIN_TOV * 10) ? |
5462 | def_timeout : LOGIN_TOV; | |
13483730 MC |
5463 | ddb_entry->default_time2wait = |
5464 | le16_to_cpu(ddb_entry->fw_ddb_entry.iscsi_def_time2wait); | |
1dc8ed5d MR |
5465 | |
5466 | if (ql4xdisablesysfsboot && | |
5467 | (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx)) | |
5468 | set_bit(DF_BOOT_TGT, &ddb_entry->flags); | |
13483730 MC |
5469 | } |
5470 | ||
5471 | static void qla4xxx_wait_for_ip_configuration(struct scsi_qla_host *ha) | |
5472 | { | |
5473 | uint32_t idx = 0; | |
5474 | uint32_t ip_idx[IP_ADDR_COUNT] = {0, 1, 2, 3}; /* 4 IP interfaces */ | |
5475 | uint32_t sts[MBOX_REG_COUNT]; | |
5476 | uint32_t ip_state; | |
5477 | unsigned long wtime; | |
5478 | int ret; | |
5479 | ||
5480 | wtime = jiffies + (HZ * IP_CONFIG_TOV); | |
5481 | do { | |
5482 | for (idx = 0; idx < IP_ADDR_COUNT; idx++) { | |
5483 | if (ip_idx[idx] == -1) | |
5484 | continue; | |
5485 | ||
5486 | ret = qla4xxx_get_ip_state(ha, 0, ip_idx[idx], sts); | |
5487 | ||
5488 | if (ret == QLA_ERROR) { | |
5489 | ip_idx[idx] = -1; | |
5490 | continue; | |
5491 | } | |
5492 | ||
5493 | ip_state = (sts[1] & IP_STATE_MASK) >> IP_STATE_SHIFT; | |
5494 | ||
5495 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
5496 | "Waiting for IP state for idx = %d, state = 0x%x\n", | |
5497 | ip_idx[idx], ip_state)); | |
5498 | if (ip_state == IP_ADDRSTATE_UNCONFIGURED || | |
5499 | ip_state == IP_ADDRSTATE_INVALID || | |
5500 | ip_state == IP_ADDRSTATE_PREFERRED || | |
5501 | ip_state == IP_ADDRSTATE_DEPRICATED || | |
5502 | ip_state == IP_ADDRSTATE_DISABLING) | |
5503 | ip_idx[idx] = -1; | |
13483730 MC |
5504 | } |
5505 | ||
5506 | /* Break if all IP states checked */ | |
5507 | if ((ip_idx[0] == -1) && | |
5508 | (ip_idx[1] == -1) && | |
5509 | (ip_idx[2] == -1) && | |
5510 | (ip_idx[3] == -1)) | |
5511 | break; | |
5512 | schedule_timeout_uninterruptible(HZ); | |
5513 | } while (time_after(wtime, jiffies)); | |
5514 | } | |
5515 | ||
ad8bd45e MR |
5516 | static int qla4xxx_cmp_fw_stentry(struct dev_db_entry *fw_ddb_entry, |
5517 | struct dev_db_entry *flash_ddb_entry) | |
5518 | { | |
5519 | uint16_t options = 0; | |
5520 | size_t ip_len = IP_ADDR_LEN; | |
5521 | ||
5522 | options = le16_to_cpu(fw_ddb_entry->options); | |
5523 | if (options & DDB_OPT_IPV6_DEVICE) | |
5524 | ip_len = IPv6_ADDR_LEN; | |
5525 | ||
5526 | if (memcmp(fw_ddb_entry->ip_addr, flash_ddb_entry->ip_addr, ip_len)) | |
5527 | return QLA_ERROR; | |
5528 | ||
5529 | if (memcmp(&fw_ddb_entry->isid[0], &flash_ddb_entry->isid[0], | |
5530 | sizeof(fw_ddb_entry->isid))) | |
5531 | return QLA_ERROR; | |
5532 | ||
5533 | if (memcmp(&fw_ddb_entry->port, &flash_ddb_entry->port, | |
5534 | sizeof(fw_ddb_entry->port))) | |
5535 | return QLA_ERROR; | |
5536 | ||
5537 | return QLA_SUCCESS; | |
5538 | } | |
5539 | ||
5540 | static int qla4xxx_find_flash_st_idx(struct scsi_qla_host *ha, | |
5541 | struct dev_db_entry *fw_ddb_entry, | |
5542 | uint32_t fw_idx, uint32_t *flash_index) | |
5543 | { | |
5544 | struct dev_db_entry *flash_ddb_entry; | |
5545 | dma_addr_t flash_ddb_entry_dma; | |
5546 | uint32_t idx = 0; | |
5547 | int max_ddbs; | |
5548 | int ret = QLA_ERROR, status; | |
5549 | ||
5550 | max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : | |
5551 | MAX_DEV_DB_ENTRIES; | |
5552 | ||
5553 | flash_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, | |
5554 | &flash_ddb_entry_dma); | |
5555 | if (flash_ddb_entry == NULL || fw_ddb_entry == NULL) { | |
5556 | ql4_printk(KERN_ERR, ha, "Out of memory\n"); | |
5557 | goto exit_find_st_idx; | |
5558 | } | |
5559 | ||
5560 | status = qla4xxx_flashdb_by_index(ha, flash_ddb_entry, | |
5561 | flash_ddb_entry_dma, fw_idx); | |
5562 | if (status == QLA_SUCCESS) { | |
5563 | status = qla4xxx_cmp_fw_stentry(fw_ddb_entry, flash_ddb_entry); | |
5564 | if (status == QLA_SUCCESS) { | |
5565 | *flash_index = fw_idx; | |
5566 | ret = QLA_SUCCESS; | |
5567 | goto exit_find_st_idx; | |
5568 | } | |
5569 | } | |
5570 | ||
5571 | for (idx = 0; idx < max_ddbs; idx++) { | |
5572 | status = qla4xxx_flashdb_by_index(ha, flash_ddb_entry, | |
5573 | flash_ddb_entry_dma, idx); | |
5574 | if (status == QLA_ERROR) | |
5575 | continue; | |
5576 | ||
5577 | status = qla4xxx_cmp_fw_stentry(fw_ddb_entry, flash_ddb_entry); | |
5578 | if (status == QLA_SUCCESS) { | |
5579 | *flash_index = idx; | |
5580 | ret = QLA_SUCCESS; | |
5581 | goto exit_find_st_idx; | |
5582 | } | |
5583 | } | |
5584 | ||
5585 | if (idx == max_ddbs) | |
5586 | ql4_printk(KERN_ERR, ha, "Failed to find ST [%d] in flash\n", | |
5587 | fw_idx); | |
5588 | ||
5589 | exit_find_st_idx: | |
5590 | if (flash_ddb_entry) | |
5591 | dma_pool_free(ha->fw_ddb_dma_pool, flash_ddb_entry, | |
5592 | flash_ddb_entry_dma); | |
5593 | ||
5594 | return ret; | |
5595 | } | |
5596 | ||
4a4bc2e9 LC |
5597 | static void qla4xxx_build_st_list(struct scsi_qla_host *ha, |
5598 | struct list_head *list_st) | |
13483730 | 5599 | { |
4a4bc2e9 | 5600 | struct qla_ddb_index *st_ddb_idx; |
13483730 | 5601 | int max_ddbs; |
4a4bc2e9 LC |
5602 | int fw_idx_size; |
5603 | struct dev_db_entry *fw_ddb_entry; | |
5604 | dma_addr_t fw_ddb_dma; | |
13483730 MC |
5605 | int ret; |
5606 | uint32_t idx = 0, next_idx = 0; | |
5607 | uint32_t state = 0, conn_err = 0; | |
ad8bd45e | 5608 | uint32_t flash_index = -1; |
4a4bc2e9 | 5609 | uint16_t conn_id = 0; |
13483730 MC |
5610 | |
5611 | fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, | |
5612 | &fw_ddb_dma); | |
5613 | if (fw_ddb_entry == NULL) { | |
5614 | DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); | |
4a4bc2e9 | 5615 | goto exit_st_list; |
13483730 MC |
5616 | } |
5617 | ||
4a4bc2e9 LC |
5618 | max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : |
5619 | MAX_DEV_DB_ENTRIES; | |
13483730 MC |
5620 | fw_idx_size = sizeof(struct qla_ddb_index); |
5621 | ||
5622 | for (idx = 0; idx < max_ddbs; idx = next_idx) { | |
4a4bc2e9 LC |
5623 | ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, |
5624 | NULL, &next_idx, &state, | |
5625 | &conn_err, NULL, &conn_id); | |
13483730 MC |
5626 | if (ret == QLA_ERROR) |
5627 | break; | |
5628 | ||
981c982c LC |
5629 | /* Ignore DDB if invalid state (unassigned) */ |
5630 | if (state == DDB_DS_UNASSIGNED) | |
5631 | goto continue_next_st; | |
5632 | ||
13483730 MC |
5633 | /* Check if ST, add to the list_st */ |
5634 | if (strlen((char *) fw_ddb_entry->iscsi_name) != 0) | |
5635 | goto continue_next_st; | |
5636 | ||
5637 | st_ddb_idx = vzalloc(fw_idx_size); | |
5638 | if (!st_ddb_idx) | |
5639 | break; | |
5640 | ||
ad8bd45e MR |
5641 | ret = qla4xxx_find_flash_st_idx(ha, fw_ddb_entry, idx, |
5642 | &flash_index); | |
5643 | if (ret == QLA_ERROR) { | |
5644 | ql4_printk(KERN_ERR, ha, | |
5645 | "No flash entry for ST at idx [%d]\n", idx); | |
5646 | st_ddb_idx->flash_ddb_idx = idx; | |
5647 | } else { | |
5648 | ql4_printk(KERN_INFO, ha, | |
5649 | "ST at idx [%d] is stored at flash [%d]\n", | |
5650 | idx, flash_index); | |
5651 | st_ddb_idx->flash_ddb_idx = flash_index; | |
5652 | } | |
5653 | ||
13483730 MC |
5654 | st_ddb_idx->fw_ddb_idx = idx; |
5655 | ||
4a4bc2e9 | 5656 | list_add_tail(&st_ddb_idx->list, list_st); |
13483730 MC |
5657 | continue_next_st: |
5658 | if (next_idx == 0) | |
5659 | break; | |
5660 | } | |
5661 | ||
4a4bc2e9 LC |
5662 | exit_st_list: |
5663 | if (fw_ddb_entry) | |
5664 | dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); | |
5665 | } | |
5666 | ||
5667 | /** | |
5668 | * qla4xxx_remove_failed_ddb - Remove inactive or failed ddb from list | |
5669 | * @ha: pointer to adapter structure | |
5670 | * @list_ddb: List from which failed ddb to be removed | |
5671 | * | |
5672 | * Iterate over the list of DDBs and find and remove DDBs that are either in | |
5673 | * no connection active state or failed state | |
5674 | **/ | |
5675 | static void qla4xxx_remove_failed_ddb(struct scsi_qla_host *ha, | |
5676 | struct list_head *list_ddb) | |
5677 | { | |
5678 | struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; | |
5679 | uint32_t next_idx = 0; | |
5680 | uint32_t state = 0, conn_err = 0; | |
5681 | int ret; | |
5682 | ||
5683 | list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { | |
5684 | ret = qla4xxx_get_fwddb_entry(ha, ddb_idx->fw_ddb_idx, | |
5685 | NULL, 0, NULL, &next_idx, &state, | |
5686 | &conn_err, NULL, NULL); | |
5687 | if (ret == QLA_ERROR) | |
5688 | continue; | |
5689 | ||
5690 | if (state == DDB_DS_NO_CONNECTION_ACTIVE || | |
5691 | state == DDB_DS_SESSION_FAILED) { | |
5692 | list_del_init(&ddb_idx->list); | |
5693 | vfree(ddb_idx); | |
5694 | } | |
5695 | } | |
5696 | } | |
5697 | ||
ad8bd45e MR |
5698 | static void qla4xxx_update_sess_disc_idx(struct scsi_qla_host *ha, |
5699 | struct ddb_entry *ddb_entry, | |
5700 | struct dev_db_entry *fw_ddb_entry) | |
5701 | { | |
5702 | struct iscsi_cls_session *cls_sess; | |
5703 | struct iscsi_session *sess; | |
5704 | uint32_t max_ddbs = 0; | |
5705 | uint16_t ddb_link = -1; | |
5706 | ||
5707 | max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : | |
5708 | MAX_DEV_DB_ENTRIES; | |
5709 | ||
5710 | cls_sess = ddb_entry->sess; | |
5711 | sess = cls_sess->dd_data; | |
5712 | ||
5713 | ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); | |
5714 | if (ddb_link < max_ddbs) | |
5715 | sess->discovery_parent_idx = ddb_link; | |
5716 | else | |
5717 | sess->discovery_parent_idx = DDB_NO_LINK; | |
5718 | } | |
5719 | ||
4a4bc2e9 LC |
5720 | static int qla4xxx_sess_conn_setup(struct scsi_qla_host *ha, |
5721 | struct dev_db_entry *fw_ddb_entry, | |
1dc8ed5d | 5722 | int is_reset, uint16_t idx) |
4a4bc2e9 LC |
5723 | { |
5724 | struct iscsi_cls_session *cls_sess; | |
5725 | struct iscsi_session *sess; | |
5726 | struct iscsi_cls_conn *cls_conn; | |
5727 | struct iscsi_endpoint *ep; | |
5728 | uint16_t cmds_max = 32; | |
5729 | uint16_t conn_id = 0; | |
5730 | uint32_t initial_cmdsn = 0; | |
5731 | int ret = QLA_SUCCESS; | |
5732 | ||
5733 | struct ddb_entry *ddb_entry = NULL; | |
5734 | ||
5735 | /* Create session object, with INVALID_ENTRY, | |
5736 | * the targer_id would get set when we issue the login | |
13483730 | 5737 | */ |
4a4bc2e9 LC |
5738 | cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, ha->host, |
5739 | cmds_max, sizeof(struct ddb_entry), | |
5740 | sizeof(struct ql4_task_data), | |
5741 | initial_cmdsn, INVALID_ENTRY); | |
5742 | if (!cls_sess) { | |
5743 | ret = QLA_ERROR; | |
5744 | goto exit_setup; | |
5745 | } | |
13483730 | 5746 | |
4a4bc2e9 LC |
5747 | /* |
5748 | * so calling module_put function to decrement the | |
5749 | * reference count. | |
5750 | **/ | |
5751 | module_put(qla4xxx_iscsi_transport.owner); | |
5752 | sess = cls_sess->dd_data; | |
5753 | ddb_entry = sess->dd_data; | |
5754 | ddb_entry->sess = cls_sess; | |
5755 | ||
5756 | cls_sess->recovery_tmo = ql4xsess_recovery_tmo; | |
5757 | memcpy(&ddb_entry->fw_ddb_entry, fw_ddb_entry, | |
5758 | sizeof(struct dev_db_entry)); | |
5759 | ||
1dc8ed5d | 5760 | qla4xxx_setup_flash_ddb_entry(ha, ddb_entry, idx); |
4a4bc2e9 LC |
5761 | |
5762 | cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn), conn_id); | |
5763 | ||
5764 | if (!cls_conn) { | |
5765 | ret = QLA_ERROR; | |
5766 | goto exit_setup; | |
13483730 MC |
5767 | } |
5768 | ||
4a4bc2e9 | 5769 | ddb_entry->conn = cls_conn; |
13483730 | 5770 | |
4a4bc2e9 LC |
5771 | /* Setup ep, for displaying attributes in sysfs */ |
5772 | ep = qla4xxx_get_ep_fwdb(ha, fw_ddb_entry); | |
5773 | if (ep) { | |
5774 | ep->conn = cls_conn; | |
5775 | cls_conn->ep = ep; | |
5776 | } else { | |
5777 | DEBUG2(ql4_printk(KERN_ERR, ha, "Unable to get ep\n")); | |
5778 | ret = QLA_ERROR; | |
5779 | goto exit_setup; | |
5780 | } | |
13483730 | 5781 | |
4a4bc2e9 LC |
5782 | /* Update sess/conn params */ |
5783 | qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn); | |
ad8bd45e | 5784 | qla4xxx_update_sess_disc_idx(ha, ddb_entry, fw_ddb_entry); |
13483730 | 5785 | |
4a4bc2e9 LC |
5786 | if (is_reset == RESET_ADAPTER) { |
5787 | iscsi_block_session(cls_sess); | |
5788 | /* Use the relogin path to discover new devices | |
5789 | * by short-circuting the logic of setting | |
5790 | * timer to relogin - instead set the flags | |
5791 | * to initiate login right away. | |
5792 | */ | |
5793 | set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); | |
5794 | set_bit(DF_RELOGIN, &ddb_entry->flags); | |
5795 | } | |
5796 | ||
5797 | exit_setup: | |
5798 | return ret; | |
5799 | } | |
5800 | ||
ad8bd45e MR |
5801 | static void qla4xxx_update_fw_ddb_link(struct scsi_qla_host *ha, |
5802 | struct list_head *list_ddb, | |
5803 | struct dev_db_entry *fw_ddb_entry) | |
5804 | { | |
5805 | struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; | |
5806 | uint16_t ddb_link; | |
5807 | ||
5808 | ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); | |
5809 | ||
5810 | list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { | |
5811 | if (ddb_idx->fw_ddb_idx == ddb_link) { | |
5812 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
5813 | "Updating NT parent idx from [%d] to [%d]\n", | |
5814 | ddb_link, ddb_idx->flash_ddb_idx)); | |
5815 | fw_ddb_entry->ddb_link = | |
5816 | cpu_to_le16(ddb_idx->flash_ddb_idx); | |
5817 | return; | |
5818 | } | |
5819 | } | |
5820 | } | |
5821 | ||
4a4bc2e9 | 5822 | static void qla4xxx_build_nt_list(struct scsi_qla_host *ha, |
ad8bd45e MR |
5823 | struct list_head *list_nt, |
5824 | struct list_head *list_st, | |
5825 | int is_reset) | |
4a4bc2e9 LC |
5826 | { |
5827 | struct dev_db_entry *fw_ddb_entry; | |
ad8bd45e | 5828 | struct ddb_entry *ddb_entry = NULL; |
4a4bc2e9 LC |
5829 | dma_addr_t fw_ddb_dma; |
5830 | int max_ddbs; | |
5831 | int fw_idx_size; | |
5832 | int ret; | |
5833 | uint32_t idx = 0, next_idx = 0; | |
5834 | uint32_t state = 0, conn_err = 0; | |
ad8bd45e | 5835 | uint32_t ddb_idx = -1; |
4a4bc2e9 | 5836 | uint16_t conn_id = 0; |
ad8bd45e | 5837 | uint16_t ddb_link = -1; |
4a4bc2e9 LC |
5838 | struct qla_ddb_index *nt_ddb_idx; |
5839 | ||
5840 | fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, | |
5841 | &fw_ddb_dma); | |
5842 | if (fw_ddb_entry == NULL) { | |
5843 | DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); | |
5844 | goto exit_nt_list; | |
13483730 | 5845 | } |
4a4bc2e9 LC |
5846 | max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : |
5847 | MAX_DEV_DB_ENTRIES; | |
5848 | fw_idx_size = sizeof(struct qla_ddb_index); | |
13483730 MC |
5849 | |
5850 | for (idx = 0; idx < max_ddbs; idx = next_idx) { | |
4a4bc2e9 LC |
5851 | ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, |
5852 | NULL, &next_idx, &state, | |
5853 | &conn_err, NULL, &conn_id); | |
13483730 MC |
5854 | if (ret == QLA_ERROR) |
5855 | break; | |
5856 | ||
5857 | if (qla4xxx_verify_boot_idx(ha, idx) != QLA_SUCCESS) | |
5858 | goto continue_next_nt; | |
5859 | ||
5860 | /* Check if NT, then add to list it */ | |
5861 | if (strlen((char *) fw_ddb_entry->iscsi_name) == 0) | |
5862 | goto continue_next_nt; | |
5863 | ||
ad8bd45e MR |
5864 | ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); |
5865 | if (ddb_link < max_ddbs) | |
5866 | qla4xxx_update_fw_ddb_link(ha, list_st, fw_ddb_entry); | |
5867 | ||
4a4bc2e9 | 5868 | if (!(state == DDB_DS_NO_CONNECTION_ACTIVE || |
ad8bd45e MR |
5869 | state == DDB_DS_SESSION_FAILED) && |
5870 | (is_reset == INIT_ADAPTER)) | |
4a4bc2e9 | 5871 | goto continue_next_nt; |
13483730 | 5872 | |
4a4bc2e9 LC |
5873 | DEBUG2(ql4_printk(KERN_INFO, ha, |
5874 | "Adding DDB to session = 0x%x\n", idx)); | |
ad8bd45e | 5875 | |
4a4bc2e9 LC |
5876 | if (is_reset == INIT_ADAPTER) { |
5877 | nt_ddb_idx = vmalloc(fw_idx_size); | |
5878 | if (!nt_ddb_idx) | |
5879 | break; | |
13483730 | 5880 | |
4a4bc2e9 | 5881 | nt_ddb_idx->fw_ddb_idx = idx; |
13483730 | 5882 | |
1cb78d73 VC |
5883 | /* Copy original isid as it may get updated in function |
5884 | * qla4xxx_update_isid(). We need original isid in | |
5885 | * function qla4xxx_compare_tuple_ddb to find duplicate | |
5886 | * target */ | |
5887 | memcpy(&nt_ddb_idx->flash_isid[0], | |
5888 | &fw_ddb_entry->isid[0], | |
5889 | sizeof(nt_ddb_idx->flash_isid)); | |
5890 | ||
5891 | ret = qla4xxx_is_flash_ddb_exists(ha, list_nt, | |
5892 | fw_ddb_entry); | |
5893 | if (ret == QLA_SUCCESS) { | |
5894 | /* free nt_ddb_idx and do not add to list_nt */ | |
4a4bc2e9 LC |
5895 | vfree(nt_ddb_idx); |
5896 | goto continue_next_nt; | |
13483730 | 5897 | } |
1cb78d73 VC |
5898 | |
5899 | /* Copy updated isid */ | |
5900 | memcpy(&nt_ddb_idx->fw_ddb, fw_ddb_entry, | |
5901 | sizeof(struct dev_db_entry)); | |
5902 | ||
4a4bc2e9 LC |
5903 | list_add_tail(&nt_ddb_idx->list, list_nt); |
5904 | } else if (is_reset == RESET_ADAPTER) { | |
ad8bd45e MR |
5905 | ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, |
5906 | &ddb_idx); | |
5907 | if (ret == QLA_SUCCESS) { | |
5908 | ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, | |
5909 | ddb_idx); | |
5910 | if (ddb_entry != NULL) | |
5911 | qla4xxx_update_sess_disc_idx(ha, | |
5912 | ddb_entry, | |
5913 | fw_ddb_entry); | |
4a4bc2e9 | 5914 | goto continue_next_nt; |
ad8bd45e | 5915 | } |
13483730 | 5916 | } |
4a4bc2e9 | 5917 | |
1dc8ed5d | 5918 | ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, is_reset, idx); |
4a4bc2e9 LC |
5919 | if (ret == QLA_ERROR) |
5920 | goto exit_nt_list; | |
5921 | ||
13483730 MC |
5922 | continue_next_nt: |
5923 | if (next_idx == 0) | |
5924 | break; | |
5925 | } | |
4a4bc2e9 LC |
5926 | |
5927 | exit_nt_list: | |
13483730 MC |
5928 | if (fw_ddb_entry) |
5929 | dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); | |
4a4bc2e9 LC |
5930 | } |
5931 | ||
1e9e2be3 | 5932 | static void qla4xxx_build_new_nt_list(struct scsi_qla_host *ha, |
ad8bd45e MR |
5933 | struct list_head *list_nt, |
5934 | uint16_t target_id) | |
1e9e2be3 AC |
5935 | { |
5936 | struct dev_db_entry *fw_ddb_entry; | |
5937 | dma_addr_t fw_ddb_dma; | |
5938 | int max_ddbs; | |
5939 | int fw_idx_size; | |
5940 | int ret; | |
5941 | uint32_t idx = 0, next_idx = 0; | |
5942 | uint32_t state = 0, conn_err = 0; | |
5943 | uint16_t conn_id = 0; | |
5944 | struct qla_ddb_index *nt_ddb_idx; | |
5945 | ||
5946 | fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, | |
5947 | &fw_ddb_dma); | |
5948 | if (fw_ddb_entry == NULL) { | |
5949 | DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); | |
5950 | goto exit_new_nt_list; | |
5951 | } | |
5952 | max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : | |
5953 | MAX_DEV_DB_ENTRIES; | |
5954 | fw_idx_size = sizeof(struct qla_ddb_index); | |
5955 | ||
5956 | for (idx = 0; idx < max_ddbs; idx = next_idx) { | |
5957 | ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, | |
5958 | NULL, &next_idx, &state, | |
5959 | &conn_err, NULL, &conn_id); | |
5960 | if (ret == QLA_ERROR) | |
5961 | break; | |
5962 | ||
5963 | /* Check if NT, then add it to list */ | |
5964 | if (strlen((char *)fw_ddb_entry->iscsi_name) == 0) | |
5965 | goto continue_next_new_nt; | |
5966 | ||
5967 | if (!(state == DDB_DS_NO_CONNECTION_ACTIVE)) | |
5968 | goto continue_next_new_nt; | |
5969 | ||
5970 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
5971 | "Adding DDB to session = 0x%x\n", idx)); | |
5972 | ||
5973 | nt_ddb_idx = vmalloc(fw_idx_size); | |
5974 | if (!nt_ddb_idx) | |
5975 | break; | |
5976 | ||
5977 | nt_ddb_idx->fw_ddb_idx = idx; | |
5978 | ||
ad8bd45e | 5979 | ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, NULL); |
1e9e2be3 AC |
5980 | if (ret == QLA_SUCCESS) { |
5981 | /* free nt_ddb_idx and do not add to list_nt */ | |
5982 | vfree(nt_ddb_idx); | |
5983 | goto continue_next_new_nt; | |
5984 | } | |
5985 | ||
ad8bd45e MR |
5986 | if (target_id < max_ddbs) |
5987 | fw_ddb_entry->ddb_link = cpu_to_le16(target_id); | |
5988 | ||
1e9e2be3 AC |
5989 | list_add_tail(&nt_ddb_idx->list, list_nt); |
5990 | ||
5991 | ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, RESET_ADAPTER, | |
5992 | idx); | |
5993 | if (ret == QLA_ERROR) | |
5994 | goto exit_new_nt_list; | |
5995 | ||
5996 | continue_next_new_nt: | |
5997 | if (next_idx == 0) | |
5998 | break; | |
5999 | } | |
6000 | ||
6001 | exit_new_nt_list: | |
6002 | if (fw_ddb_entry) | |
6003 | dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); | |
6004 | } | |
6005 | ||
4a4bc2e9 | 6006 | /** |
1e9e2be3 AC |
6007 | * qla4xxx_sysfs_ddb_is_non_persistent - check for non-persistence of ddb entry |
6008 | * @dev: dev associated with the sysfs entry | |
6009 | * @data: pointer to flashnode session object | |
4a4bc2e9 | 6010 | * |
1e9e2be3 AC |
6011 | * Returns: |
6012 | * 1: if flashnode entry is non-persistent | |
6013 | * 0: if flashnode entry is persistent | |
4a4bc2e9 | 6014 | **/ |
1e9e2be3 | 6015 | static int qla4xxx_sysfs_ddb_is_non_persistent(struct device *dev, void *data) |
4a4bc2e9 | 6016 | { |
1e9e2be3 | 6017 | struct iscsi_bus_flash_session *fnode_sess; |
4a4bc2e9 | 6018 | |
1e9e2be3 AC |
6019 | if (!iscsi_flashnode_bus_match(dev, NULL)) |
6020 | return 0; | |
4a4bc2e9 | 6021 | |
1e9e2be3 | 6022 | fnode_sess = iscsi_dev_to_flash_session(dev); |
4a4bc2e9 | 6023 | |
1e9e2be3 AC |
6024 | return (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT); |
6025 | } | |
4a4bc2e9 | 6026 | |
1e9e2be3 AC |
6027 | /** |
6028 | * qla4xxx_sysfs_ddb_tgt_create - Create sysfs entry for target | |
6029 | * @ha: pointer to host | |
6030 | * @fw_ddb_entry: flash ddb data | |
6031 | * @idx: target index | |
6032 | * @user: if set then this call is made from userland else from kernel | |
6033 | * | |
6034 | * Returns: | |
6035 | * On sucess: QLA_SUCCESS | |
6036 | * On failure: QLA_ERROR | |
6037 | * | |
6038 | * This create separate sysfs entries for session and connection attributes of | |
6039 | * the given fw ddb entry. | |
6040 | * If this is invoked as a result of a userspace call then the entry is marked | |
6041 | * as nonpersistent using flash_state field. | |
6042 | **/ | |
28e02f1a VC |
6043 | static int qla4xxx_sysfs_ddb_tgt_create(struct scsi_qla_host *ha, |
6044 | struct dev_db_entry *fw_ddb_entry, | |
6045 | uint16_t *idx, int user) | |
1e9e2be3 AC |
6046 | { |
6047 | struct iscsi_bus_flash_session *fnode_sess = NULL; | |
6048 | struct iscsi_bus_flash_conn *fnode_conn = NULL; | |
6049 | int rc = QLA_ERROR; | |
4a4bc2e9 | 6050 | |
1e9e2be3 AC |
6051 | fnode_sess = iscsi_create_flashnode_sess(ha->host, *idx, |
6052 | &qla4xxx_iscsi_transport, 0); | |
6053 | if (!fnode_sess) { | |
6054 | ql4_printk(KERN_ERR, ha, | |
6055 | "%s: Unable to create session sysfs entry for flashnode %d of host%lu\n", | |
6056 | __func__, *idx, ha->host_no); | |
6057 | goto exit_tgt_create; | |
4a4bc2e9 LC |
6058 | } |
6059 | ||
1e9e2be3 AC |
6060 | fnode_conn = iscsi_create_flashnode_conn(ha->host, fnode_sess, |
6061 | &qla4xxx_iscsi_transport, 0); | |
6062 | if (!fnode_conn) { | |
6063 | ql4_printk(KERN_ERR, ha, | |
6064 | "%s: Unable to create conn sysfs entry for flashnode %d of host%lu\n", | |
6065 | __func__, *idx, ha->host_no); | |
6066 | goto free_sess; | |
6067 | } | |
c28eaaca | 6068 | |
1e9e2be3 AC |
6069 | if (user) { |
6070 | fnode_sess->flash_state = DEV_DB_NON_PERSISTENT; | |
6071 | } else { | |
6072 | fnode_sess->flash_state = DEV_DB_PERSISTENT; | |
4a4bc2e9 | 6073 | |
1e9e2be3 AC |
6074 | if (*idx == ha->pri_ddb_idx || *idx == ha->sec_ddb_idx) |
6075 | fnode_sess->is_boot_target = 1; | |
6076 | else | |
6077 | fnode_sess->is_boot_target = 0; | |
6078 | } | |
f1f2e60e | 6079 | |
1e9e2be3 AC |
6080 | rc = qla4xxx_copy_from_fwddb_param(fnode_sess, fnode_conn, |
6081 | fw_ddb_entry); | |
4a4bc2e9 | 6082 | |
1e9e2be3 AC |
6083 | ql4_printk(KERN_INFO, ha, "%s: sysfs entry %s created\n", |
6084 | __func__, fnode_sess->dev.kobj.name); | |
4a4bc2e9 | 6085 | |
1e9e2be3 AC |
6086 | ql4_printk(KERN_INFO, ha, "%s: sysfs entry %s created\n", |
6087 | __func__, fnode_conn->dev.kobj.name); | |
4a4bc2e9 | 6088 | |
1e9e2be3 | 6089 | return QLA_SUCCESS; |
13483730 | 6090 | |
1e9e2be3 AC |
6091 | free_sess: |
6092 | iscsi_destroy_flashnode_sess(fnode_sess); | |
6093 | ||
6094 | exit_tgt_create: | |
6095 | return QLA_ERROR; | |
13483730 MC |
6096 | } |
6097 | ||
1dc8ed5d | 6098 | /** |
1e9e2be3 AC |
6099 | * qla4xxx_sysfs_ddb_add - Add new ddb entry in flash |
6100 | * @shost: pointer to host | |
6101 | * @buf: type of ddb entry (ipv4/ipv6) | |
6102 | * @len: length of buf | |
1dc8ed5d | 6103 | * |
1e9e2be3 AC |
6104 | * This creates new ddb entry in the flash by finding first free index and |
6105 | * storing default ddb there. And then create sysfs entry for the new ddb entry. | |
1dc8ed5d | 6106 | **/ |
1e9e2be3 AC |
6107 | static int qla4xxx_sysfs_ddb_add(struct Scsi_Host *shost, const char *buf, |
6108 | int len) | |
1dc8ed5d | 6109 | { |
1e9e2be3 | 6110 | struct scsi_qla_host *ha = to_qla_host(shost); |
1dc8ed5d MR |
6111 | struct dev_db_entry *fw_ddb_entry = NULL; |
6112 | dma_addr_t fw_ddb_entry_dma; | |
1e9e2be3 AC |
6113 | struct device *dev; |
6114 | uint16_t idx = 0; | |
6115 | uint16_t max_ddbs = 0; | |
6116 | uint32_t options = 0; | |
6117 | uint32_t rval = QLA_ERROR; | |
6118 | ||
c962c18b AC |
6119 | if (strncasecmp(PORTAL_TYPE_IPV4, buf, 4) && |
6120 | strncasecmp(PORTAL_TYPE_IPV6, buf, 4)) { | |
1e9e2be3 AC |
6121 | DEBUG2(ql4_printk(KERN_ERR, ha, "%s: Invalid portal type\n", |
6122 | __func__)); | |
6123 | goto exit_ddb_add; | |
6124 | } | |
1dc8ed5d | 6125 | |
a957a7d7 | 6126 | max_ddbs = is_qla40XX(ha) ? MAX_PRST_DEV_DB_ENTRIES : |
1dc8ed5d MR |
6127 | MAX_DEV_DB_ENTRIES; |
6128 | ||
6129 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
6130 | &fw_ddb_entry_dma, GFP_KERNEL); | |
6131 | if (!fw_ddb_entry) { | |
1e9e2be3 AC |
6132 | DEBUG2(ql4_printk(KERN_ERR, ha, |
6133 | "%s: Unable to allocate dma buffer\n", | |
6134 | __func__)); | |
6135 | goto exit_ddb_add; | |
1dc8ed5d MR |
6136 | } |
6137 | ||
1e9e2be3 AC |
6138 | dev = iscsi_find_flashnode_sess(ha->host, NULL, |
6139 | qla4xxx_sysfs_ddb_is_non_persistent); | |
6140 | if (dev) { | |
6141 | ql4_printk(KERN_ERR, ha, | |
6142 | "%s: A non-persistent entry %s found\n", | |
6143 | __func__, dev->kobj.name); | |
8526cb11 | 6144 | put_device(dev); |
1e9e2be3 AC |
6145 | goto exit_ddb_add; |
6146 | } | |
1dc8ed5d | 6147 | |
99937574 AC |
6148 | /* Index 0 and 1 are reserved for boot target entries */ |
6149 | for (idx = 2; idx < max_ddbs; idx++) { | |
1e9e2be3 AC |
6150 | if (qla4xxx_flashdb_by_index(ha, fw_ddb_entry, |
6151 | fw_ddb_entry_dma, idx)) | |
6152 | break; | |
6153 | } | |
1dc8ed5d | 6154 | |
1e9e2be3 AC |
6155 | if (idx == max_ddbs) |
6156 | goto exit_ddb_add; | |
1dc8ed5d | 6157 | |
1e9e2be3 AC |
6158 | if (!strncasecmp("ipv6", buf, 4)) |
6159 | options |= IPV6_DEFAULT_DDB_ENTRY; | |
1dc8ed5d | 6160 | |
1e9e2be3 AC |
6161 | rval = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma); |
6162 | if (rval == QLA_ERROR) | |
6163 | goto exit_ddb_add; | |
1dc8ed5d | 6164 | |
1e9e2be3 | 6165 | rval = qla4xxx_sysfs_ddb_tgt_create(ha, fw_ddb_entry, &idx, 1); |
1dc8ed5d | 6166 | |
1e9e2be3 | 6167 | exit_ddb_add: |
1dc8ed5d MR |
6168 | if (fw_ddb_entry) |
6169 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
6170 | fw_ddb_entry, fw_ddb_entry_dma); | |
1e9e2be3 AC |
6171 | if (rval == QLA_SUCCESS) |
6172 | return idx; | |
6173 | else | |
6174 | return -EIO; | |
1dc8ed5d MR |
6175 | } |
6176 | ||
afaf5a2d | 6177 | /** |
1e9e2be3 AC |
6178 | * qla4xxx_sysfs_ddb_apply - write the target ddb contents to Flash |
6179 | * @fnode_sess: pointer to session attrs of flash ddb entry | |
6180 | * @fnode_conn: pointer to connection attrs of flash ddb entry | |
afaf5a2d | 6181 | * |
1e9e2be3 AC |
6182 | * This writes the contents of target ddb buffer to Flash with a valid cookie |
6183 | * value in order to make the ddb entry persistent. | |
afaf5a2d | 6184 | **/ |
1e9e2be3 AC |
6185 | static int qla4xxx_sysfs_ddb_apply(struct iscsi_bus_flash_session *fnode_sess, |
6186 | struct iscsi_bus_flash_conn *fnode_conn) | |
afaf5a2d | 6187 | { |
1e9e2be3 AC |
6188 | struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); |
6189 | struct scsi_qla_host *ha = to_qla_host(shost); | |
6190 | uint32_t dev_db_start_offset = FLASH_OFFSET_DB_INFO; | |
6191 | struct dev_db_entry *fw_ddb_entry = NULL; | |
6192 | dma_addr_t fw_ddb_entry_dma; | |
6193 | uint32_t options = 0; | |
6194 | int rval = 0; | |
afaf5a2d | 6195 | |
1e9e2be3 AC |
6196 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
6197 | &fw_ddb_entry_dma, GFP_KERNEL); | |
6198 | if (!fw_ddb_entry) { | |
6199 | DEBUG2(ql4_printk(KERN_ERR, ha, | |
6200 | "%s: Unable to allocate dma buffer\n", | |
6201 | __func__)); | |
6202 | rval = -ENOMEM; | |
6203 | goto exit_ddb_apply; | |
6204 | } | |
afaf5a2d | 6205 | |
c962c18b | 6206 | if (!strncasecmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
1e9e2be3 AC |
6207 | options |= IPV6_DEFAULT_DDB_ENTRY; |
6208 | ||
6209 | rval = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma); | |
6210 | if (rval == QLA_ERROR) | |
6211 | goto exit_ddb_apply; | |
6212 | ||
6213 | dev_db_start_offset += (fnode_sess->target_id * | |
6214 | sizeof(*fw_ddb_entry)); | |
6215 | ||
6216 | qla4xxx_copy_to_fwddb_param(fnode_sess, fnode_conn, fw_ddb_entry); | |
6217 | fw_ddb_entry->cookie = DDB_VALID_COOKIE; | |
6218 | ||
6219 | rval = qla4xxx_set_flash(ha, fw_ddb_entry_dma, dev_db_start_offset, | |
6220 | sizeof(*fw_ddb_entry), FLASH_OPT_RMW_COMMIT); | |
6221 | ||
6222 | if (rval == QLA_SUCCESS) { | |
6223 | fnode_sess->flash_state = DEV_DB_PERSISTENT; | |
6224 | ql4_printk(KERN_INFO, ha, | |
6225 | "%s: flash node %u of host %lu written to flash\n", | |
6226 | __func__, fnode_sess->target_id, ha->host_no); | |
6227 | } else { | |
6228 | rval = -EIO; | |
6229 | ql4_printk(KERN_ERR, ha, | |
6230 | "%s: Error while writing flash node %u of host %lu to flash\n", | |
6231 | __func__, fnode_sess->target_id, ha->host_no); | |
6232 | } | |
6233 | ||
6234 | exit_ddb_apply: | |
6235 | if (fw_ddb_entry) | |
6236 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
6237 | fw_ddb_entry, fw_ddb_entry_dma); | |
6238 | return rval; | |
6239 | } | |
6240 | ||
6241 | static ssize_t qla4xxx_sysfs_ddb_conn_open(struct scsi_qla_host *ha, | |
6242 | struct dev_db_entry *fw_ddb_entry, | |
6243 | uint16_t idx) | |
6244 | { | |
6245 | struct dev_db_entry *ddb_entry = NULL; | |
6246 | dma_addr_t ddb_entry_dma; | |
6247 | unsigned long wtime; | |
6248 | uint32_t mbx_sts = 0; | |
6249 | uint32_t state = 0, conn_err = 0; | |
6250 | uint16_t tmo = 0; | |
6251 | int ret = 0; | |
6252 | ||
6253 | ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*ddb_entry), | |
6254 | &ddb_entry_dma, GFP_KERNEL); | |
6255 | if (!ddb_entry) { | |
6256 | DEBUG2(ql4_printk(KERN_ERR, ha, | |
6257 | "%s: Unable to allocate dma buffer\n", | |
6258 | __func__)); | |
6259 | return QLA_ERROR; | |
6260 | } | |
6261 | ||
6262 | memcpy(ddb_entry, fw_ddb_entry, sizeof(*ddb_entry)); | |
6263 | ||
6264 | ret = qla4xxx_set_ddb_entry(ha, idx, ddb_entry_dma, &mbx_sts); | |
6265 | if (ret != QLA_SUCCESS) { | |
6266 | DEBUG2(ql4_printk(KERN_ERR, ha, | |
6267 | "%s: Unable to set ddb entry for index %d\n", | |
6268 | __func__, idx)); | |
6269 | goto exit_ddb_conn_open; | |
6270 | } | |
6271 | ||
6272 | qla4xxx_conn_open(ha, idx); | |
6273 | ||
6274 | /* To ensure that sendtargets is done, wait for at least 12 secs */ | |
6275 | tmo = ((ha->def_timeout > LOGIN_TOV) && | |
6276 | (ha->def_timeout < LOGIN_TOV * 10) ? | |
6277 | ha->def_timeout : LOGIN_TOV); | |
6278 | ||
6279 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
6280 | "Default time to wait for login to ddb %d\n", tmo)); | |
6281 | ||
6282 | wtime = jiffies + (HZ * tmo); | |
6283 | do { | |
6284 | ret = qla4xxx_get_fwddb_entry(ha, idx, NULL, 0, NULL, | |
6285 | NULL, &state, &conn_err, NULL, | |
6286 | NULL); | |
6287 | if (ret == QLA_ERROR) | |
6288 | continue; | |
6289 | ||
6290 | if (state == DDB_DS_NO_CONNECTION_ACTIVE || | |
6291 | state == DDB_DS_SESSION_FAILED) | |
6292 | break; | |
6293 | ||
6294 | schedule_timeout_uninterruptible(HZ / 10); | |
6295 | } while (time_after(wtime, jiffies)); | |
6296 | ||
6297 | exit_ddb_conn_open: | |
6298 | if (ddb_entry) | |
6299 | dma_free_coherent(&ha->pdev->dev, sizeof(*ddb_entry), | |
6300 | ddb_entry, ddb_entry_dma); | |
6301 | return ret; | |
6302 | } | |
6303 | ||
6304 | static int qla4xxx_ddb_login_st(struct scsi_qla_host *ha, | |
ad8bd45e MR |
6305 | struct dev_db_entry *fw_ddb_entry, |
6306 | uint16_t target_id) | |
1e9e2be3 AC |
6307 | { |
6308 | struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; | |
6309 | struct list_head list_nt; | |
6310 | uint16_t ddb_index; | |
6311 | int ret = 0; | |
6312 | ||
6313 | if (test_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags)) { | |
6314 | ql4_printk(KERN_WARNING, ha, | |
6315 | "%s: A discovery already in progress!\n", __func__); | |
6316 | return QLA_ERROR; | |
6317 | } | |
6318 | ||
6319 | INIT_LIST_HEAD(&list_nt); | |
6320 | ||
6321 | set_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags); | |
6322 | ||
6323 | ret = qla4xxx_get_ddb_index(ha, &ddb_index); | |
6324 | if (ret == QLA_ERROR) | |
6325 | goto exit_login_st_clr_bit; | |
6326 | ||
6327 | ret = qla4xxx_sysfs_ddb_conn_open(ha, fw_ddb_entry, ddb_index); | |
6328 | if (ret == QLA_ERROR) | |
6329 | goto exit_login_st; | |
6330 | ||
ad8bd45e | 6331 | qla4xxx_build_new_nt_list(ha, &list_nt, target_id); |
1e9e2be3 AC |
6332 | |
6333 | list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, &list_nt, list) { | |
6334 | list_del_init(&ddb_idx->list); | |
6335 | qla4xxx_clear_ddb_entry(ha, ddb_idx->fw_ddb_idx); | |
6336 | vfree(ddb_idx); | |
6337 | } | |
6338 | ||
6339 | exit_login_st: | |
6340 | if (qla4xxx_clear_ddb_entry(ha, ddb_index) == QLA_ERROR) { | |
6341 | ql4_printk(KERN_ERR, ha, | |
6342 | "Unable to clear DDB index = 0x%x\n", ddb_index); | |
6343 | } | |
6344 | ||
6345 | clear_bit(ddb_index, ha->ddb_idx_map); | |
6346 | ||
6347 | exit_login_st_clr_bit: | |
6348 | clear_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags); | |
6349 | return ret; | |
6350 | } | |
6351 | ||
6352 | static int qla4xxx_ddb_login_nt(struct scsi_qla_host *ha, | |
6353 | struct dev_db_entry *fw_ddb_entry, | |
6354 | uint16_t idx) | |
6355 | { | |
6356 | int ret = QLA_ERROR; | |
6357 | ||
ad8bd45e | 6358 | ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, NULL); |
1e9e2be3 AC |
6359 | if (ret != QLA_SUCCESS) |
6360 | ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, RESET_ADAPTER, | |
6361 | idx); | |
6362 | else | |
6363 | ret = -EPERM; | |
6364 | ||
6365 | return ret; | |
6366 | } | |
6367 | ||
6368 | /** | |
6369 | * qla4xxx_sysfs_ddb_login - Login to the specified target | |
6370 | * @fnode_sess: pointer to session attrs of flash ddb entry | |
6371 | * @fnode_conn: pointer to connection attrs of flash ddb entry | |
6372 | * | |
6373 | * This logs in to the specified target | |
6374 | **/ | |
6375 | static int qla4xxx_sysfs_ddb_login(struct iscsi_bus_flash_session *fnode_sess, | |
6376 | struct iscsi_bus_flash_conn *fnode_conn) | |
6377 | { | |
6378 | struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); | |
6379 | struct scsi_qla_host *ha = to_qla_host(shost); | |
6380 | struct dev_db_entry *fw_ddb_entry = NULL; | |
6381 | dma_addr_t fw_ddb_entry_dma; | |
6382 | uint32_t options = 0; | |
6383 | int ret = 0; | |
6384 | ||
6385 | if (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT) { | |
6386 | ql4_printk(KERN_ERR, ha, | |
6387 | "%s: Target info is not persistent\n", __func__); | |
6388 | ret = -EIO; | |
6389 | goto exit_ddb_login; | |
6390 | } | |
6391 | ||
6392 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
6393 | &fw_ddb_entry_dma, GFP_KERNEL); | |
6394 | if (!fw_ddb_entry) { | |
6395 | DEBUG2(ql4_printk(KERN_ERR, ha, | |
6396 | "%s: Unable to allocate dma buffer\n", | |
6397 | __func__)); | |
6398 | ret = -ENOMEM; | |
6399 | goto exit_ddb_login; | |
6400 | } | |
6401 | ||
c962c18b | 6402 | if (!strncasecmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
1e9e2be3 AC |
6403 | options |= IPV6_DEFAULT_DDB_ENTRY; |
6404 | ||
6405 | ret = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma); | |
6406 | if (ret == QLA_ERROR) | |
6407 | goto exit_ddb_login; | |
6408 | ||
6409 | qla4xxx_copy_to_fwddb_param(fnode_sess, fnode_conn, fw_ddb_entry); | |
6410 | fw_ddb_entry->cookie = DDB_VALID_COOKIE; | |
6411 | ||
6412 | if (strlen((char *)fw_ddb_entry->iscsi_name) == 0) | |
ad8bd45e MR |
6413 | ret = qla4xxx_ddb_login_st(ha, fw_ddb_entry, |
6414 | fnode_sess->target_id); | |
1e9e2be3 AC |
6415 | else |
6416 | ret = qla4xxx_ddb_login_nt(ha, fw_ddb_entry, | |
6417 | fnode_sess->target_id); | |
6418 | ||
6419 | if (ret > 0) | |
6420 | ret = -EIO; | |
6421 | ||
6422 | exit_ddb_login: | |
6423 | if (fw_ddb_entry) | |
6424 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
6425 | fw_ddb_entry, fw_ddb_entry_dma); | |
6426 | return ret; | |
6427 | } | |
6428 | ||
6429 | /** | |
6430 | * qla4xxx_sysfs_ddb_logout_sid - Logout session for the specified target | |
6431 | * @cls_sess: pointer to session to be logged out | |
6432 | * | |
6433 | * This performs session log out from the specified target | |
6434 | **/ | |
6435 | static int qla4xxx_sysfs_ddb_logout_sid(struct iscsi_cls_session *cls_sess) | |
6436 | { | |
6437 | struct iscsi_session *sess; | |
6438 | struct ddb_entry *ddb_entry = NULL; | |
6439 | struct scsi_qla_host *ha; | |
6440 | struct dev_db_entry *fw_ddb_entry = NULL; | |
6441 | dma_addr_t fw_ddb_entry_dma; | |
6442 | unsigned long flags; | |
6443 | unsigned long wtime; | |
6444 | uint32_t ddb_state; | |
6445 | int options; | |
6446 | int ret = 0; | |
6447 | ||
6448 | sess = cls_sess->dd_data; | |
6449 | ddb_entry = sess->dd_data; | |
6450 | ha = ddb_entry->ha; | |
6451 | ||
6452 | if (ddb_entry->ddb_type != FLASH_DDB) { | |
6453 | ql4_printk(KERN_ERR, ha, "%s: Not a flash node session\n", | |
6454 | __func__); | |
6455 | ret = -ENXIO; | |
6456 | goto exit_ddb_logout; | |
6457 | } | |
6458 | ||
37719c2a AC |
6459 | if (test_bit(DF_BOOT_TGT, &ddb_entry->flags)) { |
6460 | ql4_printk(KERN_ERR, ha, | |
6461 | "%s: Logout from boot target entry is not permitted.\n", | |
6462 | __func__); | |
6463 | ret = -EPERM; | |
6464 | goto exit_ddb_logout; | |
6465 | } | |
6466 | ||
1e9e2be3 AC |
6467 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
6468 | &fw_ddb_entry_dma, GFP_KERNEL); | |
6469 | if (!fw_ddb_entry) { | |
6470 | ql4_printk(KERN_ERR, ha, | |
6471 | "%s: Unable to allocate dma buffer\n", __func__); | |
6472 | ret = -ENOMEM; | |
6473 | goto exit_ddb_logout; | |
6474 | } | |
6475 | ||
99c6a33b AC |
6476 | if (test_and_set_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags)) |
6477 | goto ddb_logout_init; | |
6478 | ||
6479 | ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, | |
6480 | fw_ddb_entry, fw_ddb_entry_dma, | |
6481 | NULL, NULL, &ddb_state, NULL, | |
6482 | NULL, NULL); | |
6483 | if (ret == QLA_ERROR) | |
6484 | goto ddb_logout_init; | |
6485 | ||
6486 | if (ddb_state == DDB_DS_SESSION_ACTIVE) | |
6487 | goto ddb_logout_init; | |
6488 | ||
6489 | /* wait until next relogin is triggered using DF_RELOGIN and | |
6490 | * clear DF_RELOGIN to avoid invocation of further relogin | |
6491 | */ | |
6492 | wtime = jiffies + (HZ * RELOGIN_TOV); | |
6493 | do { | |
6494 | if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags)) | |
6495 | goto ddb_logout_init; | |
6496 | ||
6497 | schedule_timeout_uninterruptible(HZ); | |
6498 | } while ((time_after(wtime, jiffies))); | |
6499 | ||
6500 | ddb_logout_init: | |
6501 | atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY); | |
6502 | atomic_set(&ddb_entry->relogin_timer, 0); | |
6503 | ||
6504 | options = LOGOUT_OPTION_CLOSE_SESSION; | |
6505 | qla4xxx_session_logout_ddb(ha, ddb_entry, options); | |
6506 | ||
6507 | memset(fw_ddb_entry, 0, sizeof(*fw_ddb_entry)); | |
1e9e2be3 AC |
6508 | wtime = jiffies + (HZ * LOGOUT_TOV); |
6509 | do { | |
6510 | ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, | |
6511 | fw_ddb_entry, fw_ddb_entry_dma, | |
6512 | NULL, NULL, &ddb_state, NULL, | |
6513 | NULL, NULL); | |
6514 | if (ret == QLA_ERROR) | |
6515 | goto ddb_logout_clr_sess; | |
6516 | ||
6517 | if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) || | |
6518 | (ddb_state == DDB_DS_SESSION_FAILED)) | |
6519 | goto ddb_logout_clr_sess; | |
6520 | ||
6521 | schedule_timeout_uninterruptible(HZ); | |
6522 | } while ((time_after(wtime, jiffies))); | |
6523 | ||
6524 | ddb_logout_clr_sess: | |
6525 | qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); | |
6526 | /* | |
6527 | * we have decremented the reference count of the driver | |
6528 | * when we setup the session to have the driver unload | |
6529 | * to be seamless without actually destroying the | |
6530 | * session | |
6531 | **/ | |
6532 | try_module_get(qla4xxx_iscsi_transport.owner); | |
6533 | iscsi_destroy_endpoint(ddb_entry->conn->ep); | |
6534 | ||
6535 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
6536 | qla4xxx_free_ddb(ha, ddb_entry); | |
99c6a33b | 6537 | clear_bit(ddb_entry->fw_ddb_index, ha->ddb_idx_map); |
1e9e2be3 AC |
6538 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
6539 | ||
6540 | iscsi_session_teardown(ddb_entry->sess); | |
6541 | ||
99c6a33b | 6542 | clear_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags); |
1e9e2be3 AC |
6543 | ret = QLA_SUCCESS; |
6544 | ||
6545 | exit_ddb_logout: | |
6546 | if (fw_ddb_entry) | |
6547 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
6548 | fw_ddb_entry, fw_ddb_entry_dma); | |
6549 | return ret; | |
6550 | } | |
6551 | ||
6552 | /** | |
6553 | * qla4xxx_sysfs_ddb_logout - Logout from the specified target | |
6554 | * @fnode_sess: pointer to session attrs of flash ddb entry | |
6555 | * @fnode_conn: pointer to connection attrs of flash ddb entry | |
6556 | * | |
6557 | * This performs log out from the specified target | |
6558 | **/ | |
6559 | static int qla4xxx_sysfs_ddb_logout(struct iscsi_bus_flash_session *fnode_sess, | |
6560 | struct iscsi_bus_flash_conn *fnode_conn) | |
6561 | { | |
6562 | struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); | |
6563 | struct scsi_qla_host *ha = to_qla_host(shost); | |
6564 | struct ql4_tuple_ddb *flash_tddb = NULL; | |
6565 | struct ql4_tuple_ddb *tmp_tddb = NULL; | |
6566 | struct dev_db_entry *fw_ddb_entry = NULL; | |
6567 | struct ddb_entry *ddb_entry = NULL; | |
6568 | dma_addr_t fw_ddb_dma; | |
6569 | uint32_t next_idx = 0; | |
6570 | uint32_t state = 0, conn_err = 0; | |
6571 | uint16_t conn_id = 0; | |
6572 | int idx, index; | |
6573 | int status, ret = 0; | |
6574 | ||
6575 | fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, | |
6576 | &fw_ddb_dma); | |
6577 | if (fw_ddb_entry == NULL) { | |
6578 | ql4_printk(KERN_ERR, ha, "%s:Out of memory\n", __func__); | |
6579 | ret = -ENOMEM; | |
6580 | goto exit_ddb_logout; | |
6581 | } | |
6582 | ||
6583 | flash_tddb = vzalloc(sizeof(*flash_tddb)); | |
6584 | if (!flash_tddb) { | |
6585 | ql4_printk(KERN_WARNING, ha, | |
6586 | "%s:Memory Allocation failed.\n", __func__); | |
6587 | ret = -ENOMEM; | |
6588 | goto exit_ddb_logout; | |
6589 | } | |
6590 | ||
6591 | tmp_tddb = vzalloc(sizeof(*tmp_tddb)); | |
6592 | if (!tmp_tddb) { | |
6593 | ql4_printk(KERN_WARNING, ha, | |
6594 | "%s:Memory Allocation failed.\n", __func__); | |
6595 | ret = -ENOMEM; | |
6596 | goto exit_ddb_logout; | |
6597 | } | |
6598 | ||
6599 | if (!fnode_sess->targetname) { | |
6600 | ql4_printk(KERN_ERR, ha, | |
6601 | "%s:Cannot logout from SendTarget entry\n", | |
6602 | __func__); | |
6603 | ret = -EPERM; | |
6604 | goto exit_ddb_logout; | |
6605 | } | |
6606 | ||
6607 | if (fnode_sess->is_boot_target) { | |
6608 | ql4_printk(KERN_ERR, ha, | |
6609 | "%s: Logout from boot target entry is not permitted.\n", | |
6610 | __func__); | |
6611 | ret = -EPERM; | |
6612 | goto exit_ddb_logout; | |
6613 | } | |
6614 | ||
6615 | strncpy(flash_tddb->iscsi_name, fnode_sess->targetname, | |
6616 | ISCSI_NAME_SIZE); | |
6617 | ||
c962c18b | 6618 | if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
1e9e2be3 AC |
6619 | sprintf(flash_tddb->ip_addr, "%pI6", fnode_conn->ipaddress); |
6620 | else | |
6621 | sprintf(flash_tddb->ip_addr, "%pI4", fnode_conn->ipaddress); | |
6622 | ||
6623 | flash_tddb->tpgt = fnode_sess->tpgt; | |
6624 | flash_tddb->port = fnode_conn->port; | |
6625 | ||
6626 | COPY_ISID(flash_tddb->isid, fnode_sess->isid); | |
6627 | ||
6628 | for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { | |
6629 | ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); | |
6630 | if (ddb_entry == NULL) | |
6631 | continue; | |
6632 | ||
6633 | if (ddb_entry->ddb_type != FLASH_DDB) | |
6634 | continue; | |
6635 | ||
6636 | index = ddb_entry->sess->target_id; | |
6637 | status = qla4xxx_get_fwddb_entry(ha, index, fw_ddb_entry, | |
6638 | fw_ddb_dma, NULL, &next_idx, | |
6639 | &state, &conn_err, NULL, | |
6640 | &conn_id); | |
6641 | if (status == QLA_ERROR) { | |
6642 | ret = -ENOMEM; | |
6643 | break; | |
6644 | } | |
6645 | ||
6646 | qla4xxx_convert_param_ddb(fw_ddb_entry, tmp_tddb, NULL); | |
6647 | ||
6648 | status = qla4xxx_compare_tuple_ddb(ha, flash_tddb, tmp_tddb, | |
6649 | true); | |
6650 | if (status == QLA_SUCCESS) { | |
6651 | ret = qla4xxx_sysfs_ddb_logout_sid(ddb_entry->sess); | |
6652 | break; | |
6653 | } | |
6654 | } | |
6655 | ||
6656 | if (idx == MAX_DDB_ENTRIES) | |
6657 | ret = -ESRCH; | |
6658 | ||
6659 | exit_ddb_logout: | |
6660 | if (flash_tddb) | |
6661 | vfree(flash_tddb); | |
6662 | if (tmp_tddb) | |
6663 | vfree(tmp_tddb); | |
6664 | if (fw_ddb_entry) | |
6665 | dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); | |
6666 | ||
6667 | return ret; | |
6668 | } | |
6669 | ||
6670 | static int | |
6671 | qla4xxx_sysfs_ddb_get_param(struct iscsi_bus_flash_session *fnode_sess, | |
6672 | int param, char *buf) | |
6673 | { | |
6674 | struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); | |
6675 | struct scsi_qla_host *ha = to_qla_host(shost); | |
6676 | struct iscsi_bus_flash_conn *fnode_conn; | |
6677 | struct ql4_chap_table chap_tbl; | |
6678 | struct device *dev; | |
a2f76636 | 6679 | int parent_type; |
1e9e2be3 AC |
6680 | int rc = 0; |
6681 | ||
8526cb11 | 6682 | dev = iscsi_find_flashnode_conn(fnode_sess); |
1e9e2be3 AC |
6683 | if (!dev) |
6684 | return -EIO; | |
6685 | ||
6686 | fnode_conn = iscsi_dev_to_flash_conn(dev); | |
6687 | ||
6688 | switch (param) { | |
6689 | case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6: | |
6690 | rc = sprintf(buf, "%u\n", fnode_conn->is_fw_assigned_ipv6); | |
6691 | break; | |
6692 | case ISCSI_FLASHNODE_PORTAL_TYPE: | |
6693 | rc = sprintf(buf, "%s\n", fnode_sess->portal_type); | |
6694 | break; | |
6695 | case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE: | |
6696 | rc = sprintf(buf, "%u\n", fnode_sess->auto_snd_tgt_disable); | |
6697 | break; | |
6698 | case ISCSI_FLASHNODE_DISCOVERY_SESS: | |
6699 | rc = sprintf(buf, "%u\n", fnode_sess->discovery_sess); | |
6700 | break; | |
6701 | case ISCSI_FLASHNODE_ENTRY_EN: | |
6702 | rc = sprintf(buf, "%u\n", fnode_sess->entry_state); | |
6703 | break; | |
6704 | case ISCSI_FLASHNODE_HDR_DGST_EN: | |
6705 | rc = sprintf(buf, "%u\n", fnode_conn->hdrdgst_en); | |
6706 | break; | |
6707 | case ISCSI_FLASHNODE_DATA_DGST_EN: | |
6708 | rc = sprintf(buf, "%u\n", fnode_conn->datadgst_en); | |
6709 | break; | |
6710 | case ISCSI_FLASHNODE_IMM_DATA_EN: | |
6711 | rc = sprintf(buf, "%u\n", fnode_sess->imm_data_en); | |
6712 | break; | |
6713 | case ISCSI_FLASHNODE_INITIAL_R2T_EN: | |
6714 | rc = sprintf(buf, "%u\n", fnode_sess->initial_r2t_en); | |
6715 | break; | |
6716 | case ISCSI_FLASHNODE_DATASEQ_INORDER: | |
6717 | rc = sprintf(buf, "%u\n", fnode_sess->dataseq_inorder_en); | |
6718 | break; | |
6719 | case ISCSI_FLASHNODE_PDU_INORDER: | |
6720 | rc = sprintf(buf, "%u\n", fnode_sess->pdu_inorder_en); | |
6721 | break; | |
6722 | case ISCSI_FLASHNODE_CHAP_AUTH_EN: | |
6723 | rc = sprintf(buf, "%u\n", fnode_sess->chap_auth_en); | |
6724 | break; | |
6725 | case ISCSI_FLASHNODE_SNACK_REQ_EN: | |
6726 | rc = sprintf(buf, "%u\n", fnode_conn->snack_req_en); | |
6727 | break; | |
6728 | case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN: | |
6729 | rc = sprintf(buf, "%u\n", fnode_sess->discovery_logout_en); | |
6730 | break; | |
6731 | case ISCSI_FLASHNODE_BIDI_CHAP_EN: | |
6732 | rc = sprintf(buf, "%u\n", fnode_sess->bidi_chap_en); | |
6733 | break; | |
6734 | case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL: | |
6735 | rc = sprintf(buf, "%u\n", fnode_sess->discovery_auth_optional); | |
6736 | break; | |
6737 | case ISCSI_FLASHNODE_ERL: | |
6738 | rc = sprintf(buf, "%u\n", fnode_sess->erl); | |
6739 | break; | |
6740 | case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT: | |
6741 | rc = sprintf(buf, "%u\n", fnode_conn->tcp_timestamp_stat); | |
6742 | break; | |
6743 | case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE: | |
6744 | rc = sprintf(buf, "%u\n", fnode_conn->tcp_nagle_disable); | |
6745 | break; | |
6746 | case ISCSI_FLASHNODE_TCP_WSF_DISABLE: | |
6747 | rc = sprintf(buf, "%u\n", fnode_conn->tcp_wsf_disable); | |
6748 | break; | |
6749 | case ISCSI_FLASHNODE_TCP_TIMER_SCALE: | |
6750 | rc = sprintf(buf, "%u\n", fnode_conn->tcp_timer_scale); | |
6751 | break; | |
6752 | case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN: | |
6753 | rc = sprintf(buf, "%u\n", fnode_conn->tcp_timestamp_en); | |
6754 | break; | |
6755 | case ISCSI_FLASHNODE_IP_FRAG_DISABLE: | |
6756 | rc = sprintf(buf, "%u\n", fnode_conn->fragment_disable); | |
6757 | break; | |
6758 | case ISCSI_FLASHNODE_MAX_RECV_DLENGTH: | |
6759 | rc = sprintf(buf, "%u\n", fnode_conn->max_recv_dlength); | |
6760 | break; | |
6761 | case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH: | |
6762 | rc = sprintf(buf, "%u\n", fnode_conn->max_xmit_dlength); | |
6763 | break; | |
6764 | case ISCSI_FLASHNODE_FIRST_BURST: | |
6765 | rc = sprintf(buf, "%u\n", fnode_sess->first_burst); | |
6766 | break; | |
6767 | case ISCSI_FLASHNODE_DEF_TIME2WAIT: | |
6768 | rc = sprintf(buf, "%u\n", fnode_sess->time2wait); | |
6769 | break; | |
6770 | case ISCSI_FLASHNODE_DEF_TIME2RETAIN: | |
6771 | rc = sprintf(buf, "%u\n", fnode_sess->time2retain); | |
6772 | break; | |
6773 | case ISCSI_FLASHNODE_MAX_R2T: | |
6774 | rc = sprintf(buf, "%u\n", fnode_sess->max_r2t); | |
6775 | break; | |
6776 | case ISCSI_FLASHNODE_KEEPALIVE_TMO: | |
6777 | rc = sprintf(buf, "%u\n", fnode_conn->keepalive_timeout); | |
6778 | break; | |
6779 | case ISCSI_FLASHNODE_ISID: | |
6780 | rc = sprintf(buf, "%02x%02x%02x%02x%02x%02x\n", | |
6781 | fnode_sess->isid[0], fnode_sess->isid[1], | |
6782 | fnode_sess->isid[2], fnode_sess->isid[3], | |
6783 | fnode_sess->isid[4], fnode_sess->isid[5]); | |
6784 | break; | |
6785 | case ISCSI_FLASHNODE_TSID: | |
6786 | rc = sprintf(buf, "%u\n", fnode_sess->tsid); | |
6787 | break; | |
6788 | case ISCSI_FLASHNODE_PORT: | |
6789 | rc = sprintf(buf, "%d\n", fnode_conn->port); | |
6790 | break; | |
6791 | case ISCSI_FLASHNODE_MAX_BURST: | |
6792 | rc = sprintf(buf, "%u\n", fnode_sess->max_burst); | |
6793 | break; | |
6794 | case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO: | |
6795 | rc = sprintf(buf, "%u\n", | |
6796 | fnode_sess->default_taskmgmt_timeout); | |
6797 | break; | |
6798 | case ISCSI_FLASHNODE_IPADDR: | |
c962c18b | 6799 | if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
1e9e2be3 AC |
6800 | rc = sprintf(buf, "%pI6\n", fnode_conn->ipaddress); |
6801 | else | |
6802 | rc = sprintf(buf, "%pI4\n", fnode_conn->ipaddress); | |
6803 | break; | |
6804 | case ISCSI_FLASHNODE_ALIAS: | |
6805 | if (fnode_sess->targetalias) | |
6806 | rc = sprintf(buf, "%s\n", fnode_sess->targetalias); | |
6807 | else | |
6808 | rc = sprintf(buf, "\n"); | |
6809 | break; | |
6810 | case ISCSI_FLASHNODE_REDIRECT_IPADDR: | |
c962c18b | 6811 | if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
1e9e2be3 AC |
6812 | rc = sprintf(buf, "%pI6\n", |
6813 | fnode_conn->redirect_ipaddr); | |
6814 | else | |
6815 | rc = sprintf(buf, "%pI4\n", | |
6816 | fnode_conn->redirect_ipaddr); | |
6817 | break; | |
6818 | case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE: | |
6819 | rc = sprintf(buf, "%u\n", fnode_conn->max_segment_size); | |
6820 | break; | |
6821 | case ISCSI_FLASHNODE_LOCAL_PORT: | |
6822 | rc = sprintf(buf, "%u\n", fnode_conn->local_port); | |
6823 | break; | |
6824 | case ISCSI_FLASHNODE_IPV4_TOS: | |
6825 | rc = sprintf(buf, "%u\n", fnode_conn->ipv4_tos); | |
6826 | break; | |
6827 | case ISCSI_FLASHNODE_IPV6_TC: | |
c962c18b | 6828 | if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
1e9e2be3 AC |
6829 | rc = sprintf(buf, "%u\n", |
6830 | fnode_conn->ipv6_traffic_class); | |
6831 | else | |
6832 | rc = sprintf(buf, "\n"); | |
6833 | break; | |
6834 | case ISCSI_FLASHNODE_IPV6_FLOW_LABEL: | |
6835 | rc = sprintf(buf, "%u\n", fnode_conn->ipv6_flow_label); | |
6836 | break; | |
6837 | case ISCSI_FLASHNODE_LINK_LOCAL_IPV6: | |
c962c18b | 6838 | if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
1e9e2be3 AC |
6839 | rc = sprintf(buf, "%pI6\n", |
6840 | fnode_conn->link_local_ipv6_addr); | |
6841 | else | |
6842 | rc = sprintf(buf, "\n"); | |
6843 | break; | |
6844 | case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX: | |
a2f76636 | 6845 | rc = sprintf(buf, "%u\n", fnode_sess->discovery_parent_idx); |
1e9e2be3 AC |
6846 | break; |
6847 | case ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE: | |
6848 | if (fnode_sess->discovery_parent_type == DDB_ISNS) | |
6849 | parent_type = ISCSI_DISC_PARENT_ISNS; | |
6850 | else if (fnode_sess->discovery_parent_type == DDB_NO_LINK) | |
6851 | parent_type = ISCSI_DISC_PARENT_UNKNOWN; | |
b6130cea | 6852 | else if (fnode_sess->discovery_parent_type < MAX_DDB_ENTRIES) |
1e9e2be3 AC |
6853 | parent_type = ISCSI_DISC_PARENT_SENDTGT; |
6854 | else | |
6855 | parent_type = ISCSI_DISC_PARENT_UNKNOWN; | |
6856 | ||
6857 | rc = sprintf(buf, "%s\n", | |
6858 | iscsi_get_discovery_parent_name(parent_type)); | |
6859 | break; | |
6860 | case ISCSI_FLASHNODE_NAME: | |
6861 | if (fnode_sess->targetname) | |
6862 | rc = sprintf(buf, "%s\n", fnode_sess->targetname); | |
6863 | else | |
6864 | rc = sprintf(buf, "\n"); | |
6865 | break; | |
6866 | case ISCSI_FLASHNODE_TPGT: | |
6867 | rc = sprintf(buf, "%u\n", fnode_sess->tpgt); | |
6868 | break; | |
6869 | case ISCSI_FLASHNODE_TCP_XMIT_WSF: | |
6870 | rc = sprintf(buf, "%u\n", fnode_conn->tcp_xmit_wsf); | |
6871 | break; | |
6872 | case ISCSI_FLASHNODE_TCP_RECV_WSF: | |
6873 | rc = sprintf(buf, "%u\n", fnode_conn->tcp_recv_wsf); | |
6874 | break; | |
6875 | case ISCSI_FLASHNODE_CHAP_OUT_IDX: | |
6876 | rc = sprintf(buf, "%u\n", fnode_sess->chap_out_idx); | |
6877 | break; | |
6878 | case ISCSI_FLASHNODE_USERNAME: | |
6879 | if (fnode_sess->chap_auth_en) { | |
6880 | qla4xxx_get_uni_chap_at_index(ha, | |
6881 | chap_tbl.name, | |
6882 | chap_tbl.secret, | |
6883 | fnode_sess->chap_out_idx); | |
6884 | rc = sprintf(buf, "%s\n", chap_tbl.name); | |
6885 | } else { | |
6886 | rc = sprintf(buf, "\n"); | |
6887 | } | |
6888 | break; | |
6889 | case ISCSI_FLASHNODE_PASSWORD: | |
6890 | if (fnode_sess->chap_auth_en) { | |
6891 | qla4xxx_get_uni_chap_at_index(ha, | |
6892 | chap_tbl.name, | |
6893 | chap_tbl.secret, | |
6894 | fnode_sess->chap_out_idx); | |
6895 | rc = sprintf(buf, "%s\n", chap_tbl.secret); | |
6896 | } else { | |
6897 | rc = sprintf(buf, "\n"); | |
6898 | } | |
6899 | break; | |
6900 | case ISCSI_FLASHNODE_STATSN: | |
6901 | rc = sprintf(buf, "%u\n", fnode_conn->statsn); | |
6902 | break; | |
6903 | case ISCSI_FLASHNODE_EXP_STATSN: | |
6904 | rc = sprintf(buf, "%u\n", fnode_conn->exp_statsn); | |
6905 | break; | |
6906 | case ISCSI_FLASHNODE_IS_BOOT_TGT: | |
6907 | rc = sprintf(buf, "%u\n", fnode_sess->is_boot_target); | |
6908 | break; | |
6909 | default: | |
6910 | rc = -ENOSYS; | |
6911 | break; | |
6912 | } | |
8526cb11 MC |
6913 | |
6914 | put_device(dev); | |
1e9e2be3 AC |
6915 | return rc; |
6916 | } | |
6917 | ||
6918 | /** | |
6919 | * qla4xxx_sysfs_ddb_set_param - Set parameter for firmware DDB entry | |
6920 | * @fnode_sess: pointer to session attrs of flash ddb entry | |
6921 | * @fnode_conn: pointer to connection attrs of flash ddb entry | |
6922 | * @data: Parameters and their values to update | |
6923 | * @len: len of data | |
6924 | * | |
6925 | * This sets the parameter of flash ddb entry and writes them to flash | |
6926 | **/ | |
6927 | static int | |
6928 | qla4xxx_sysfs_ddb_set_param(struct iscsi_bus_flash_session *fnode_sess, | |
6929 | struct iscsi_bus_flash_conn *fnode_conn, | |
6930 | void *data, int len) | |
6931 | { | |
6932 | struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); | |
6933 | struct scsi_qla_host *ha = to_qla_host(shost); | |
1e9e2be3 | 6934 | struct iscsi_flashnode_param_info *fnode_param; |
244c079b | 6935 | struct ql4_chap_table chap_tbl; |
1e9e2be3 | 6936 | struct nlattr *attr; |
244c079b | 6937 | uint16_t chap_out_idx = INVALID_ENTRY; |
1e9e2be3 AC |
6938 | int rc = QLA_ERROR; |
6939 | uint32_t rem = len; | |
6940 | ||
244c079b | 6941 | memset((void *)&chap_tbl, 0, sizeof(chap_tbl)); |
1e9e2be3 AC |
6942 | nla_for_each_attr(attr, data, len, rem) { |
6943 | fnode_param = nla_data(attr); | |
6944 | ||
6945 | switch (fnode_param->param) { | |
6946 | case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6: | |
6947 | fnode_conn->is_fw_assigned_ipv6 = fnode_param->value[0]; | |
6948 | break; | |
6949 | case ISCSI_FLASHNODE_PORTAL_TYPE: | |
6950 | memcpy(fnode_sess->portal_type, fnode_param->value, | |
6951 | strlen(fnode_sess->portal_type)); | |
6952 | break; | |
6953 | case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE: | |
6954 | fnode_sess->auto_snd_tgt_disable = | |
6955 | fnode_param->value[0]; | |
6956 | break; | |
6957 | case ISCSI_FLASHNODE_DISCOVERY_SESS: | |
6958 | fnode_sess->discovery_sess = fnode_param->value[0]; | |
6959 | break; | |
6960 | case ISCSI_FLASHNODE_ENTRY_EN: | |
6961 | fnode_sess->entry_state = fnode_param->value[0]; | |
6962 | break; | |
6963 | case ISCSI_FLASHNODE_HDR_DGST_EN: | |
6964 | fnode_conn->hdrdgst_en = fnode_param->value[0]; | |
6965 | break; | |
6966 | case ISCSI_FLASHNODE_DATA_DGST_EN: | |
6967 | fnode_conn->datadgst_en = fnode_param->value[0]; | |
6968 | break; | |
6969 | case ISCSI_FLASHNODE_IMM_DATA_EN: | |
6970 | fnode_sess->imm_data_en = fnode_param->value[0]; | |
6971 | break; | |
6972 | case ISCSI_FLASHNODE_INITIAL_R2T_EN: | |
6973 | fnode_sess->initial_r2t_en = fnode_param->value[0]; | |
6974 | break; | |
6975 | case ISCSI_FLASHNODE_DATASEQ_INORDER: | |
6976 | fnode_sess->dataseq_inorder_en = fnode_param->value[0]; | |
6977 | break; | |
6978 | case ISCSI_FLASHNODE_PDU_INORDER: | |
6979 | fnode_sess->pdu_inorder_en = fnode_param->value[0]; | |
6980 | break; | |
6981 | case ISCSI_FLASHNODE_CHAP_AUTH_EN: | |
6982 | fnode_sess->chap_auth_en = fnode_param->value[0]; | |
244c079b AC |
6983 | /* Invalidate chap index if chap auth is disabled */ |
6984 | if (!fnode_sess->chap_auth_en) | |
6985 | fnode_sess->chap_out_idx = INVALID_ENTRY; | |
6986 | ||
1e9e2be3 AC |
6987 | break; |
6988 | case ISCSI_FLASHNODE_SNACK_REQ_EN: | |
6989 | fnode_conn->snack_req_en = fnode_param->value[0]; | |
6990 | break; | |
6991 | case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN: | |
6992 | fnode_sess->discovery_logout_en = fnode_param->value[0]; | |
6993 | break; | |
6994 | case ISCSI_FLASHNODE_BIDI_CHAP_EN: | |
6995 | fnode_sess->bidi_chap_en = fnode_param->value[0]; | |
6996 | break; | |
6997 | case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL: | |
6998 | fnode_sess->discovery_auth_optional = | |
6999 | fnode_param->value[0]; | |
7000 | break; | |
7001 | case ISCSI_FLASHNODE_ERL: | |
7002 | fnode_sess->erl = fnode_param->value[0]; | |
7003 | break; | |
7004 | case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT: | |
7005 | fnode_conn->tcp_timestamp_stat = fnode_param->value[0]; | |
7006 | break; | |
7007 | case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE: | |
7008 | fnode_conn->tcp_nagle_disable = fnode_param->value[0]; | |
7009 | break; | |
7010 | case ISCSI_FLASHNODE_TCP_WSF_DISABLE: | |
7011 | fnode_conn->tcp_wsf_disable = fnode_param->value[0]; | |
7012 | break; | |
7013 | case ISCSI_FLASHNODE_TCP_TIMER_SCALE: | |
7014 | fnode_conn->tcp_timer_scale = fnode_param->value[0]; | |
7015 | break; | |
7016 | case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN: | |
7017 | fnode_conn->tcp_timestamp_en = fnode_param->value[0]; | |
7018 | break; | |
7019 | case ISCSI_FLASHNODE_IP_FRAG_DISABLE: | |
7020 | fnode_conn->fragment_disable = fnode_param->value[0]; | |
7021 | break; | |
7022 | case ISCSI_FLASHNODE_MAX_RECV_DLENGTH: | |
7023 | fnode_conn->max_recv_dlength = | |
7024 | *(unsigned *)fnode_param->value; | |
7025 | break; | |
7026 | case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH: | |
7027 | fnode_conn->max_xmit_dlength = | |
7028 | *(unsigned *)fnode_param->value; | |
7029 | break; | |
7030 | case ISCSI_FLASHNODE_FIRST_BURST: | |
7031 | fnode_sess->first_burst = | |
7032 | *(unsigned *)fnode_param->value; | |
7033 | break; | |
7034 | case ISCSI_FLASHNODE_DEF_TIME2WAIT: | |
7035 | fnode_sess->time2wait = *(uint16_t *)fnode_param->value; | |
7036 | break; | |
7037 | case ISCSI_FLASHNODE_DEF_TIME2RETAIN: | |
7038 | fnode_sess->time2retain = | |
7039 | *(uint16_t *)fnode_param->value; | |
7040 | break; | |
7041 | case ISCSI_FLASHNODE_MAX_R2T: | |
7042 | fnode_sess->max_r2t = | |
7043 | *(uint16_t *)fnode_param->value; | |
7044 | break; | |
7045 | case ISCSI_FLASHNODE_KEEPALIVE_TMO: | |
7046 | fnode_conn->keepalive_timeout = | |
7047 | *(uint16_t *)fnode_param->value; | |
7048 | break; | |
7049 | case ISCSI_FLASHNODE_ISID: | |
7050 | memcpy(fnode_sess->isid, fnode_param->value, | |
7051 | sizeof(fnode_sess->isid)); | |
7052 | break; | |
7053 | case ISCSI_FLASHNODE_TSID: | |
7054 | fnode_sess->tsid = *(uint16_t *)fnode_param->value; | |
7055 | break; | |
7056 | case ISCSI_FLASHNODE_PORT: | |
7057 | fnode_conn->port = *(uint16_t *)fnode_param->value; | |
7058 | break; | |
7059 | case ISCSI_FLASHNODE_MAX_BURST: | |
7060 | fnode_sess->max_burst = *(unsigned *)fnode_param->value; | |
7061 | break; | |
7062 | case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO: | |
7063 | fnode_sess->default_taskmgmt_timeout = | |
7064 | *(uint16_t *)fnode_param->value; | |
7065 | break; | |
7066 | case ISCSI_FLASHNODE_IPADDR: | |
7067 | memcpy(fnode_conn->ipaddress, fnode_param->value, | |
7068 | IPv6_ADDR_LEN); | |
7069 | break; | |
7070 | case ISCSI_FLASHNODE_ALIAS: | |
7071 | rc = iscsi_switch_str_param(&fnode_sess->targetalias, | |
7072 | (char *)fnode_param->value); | |
7073 | break; | |
7074 | case ISCSI_FLASHNODE_REDIRECT_IPADDR: | |
7075 | memcpy(fnode_conn->redirect_ipaddr, fnode_param->value, | |
7076 | IPv6_ADDR_LEN); | |
7077 | break; | |
7078 | case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE: | |
7079 | fnode_conn->max_segment_size = | |
7080 | *(unsigned *)fnode_param->value; | |
7081 | break; | |
7082 | case ISCSI_FLASHNODE_LOCAL_PORT: | |
7083 | fnode_conn->local_port = | |
7084 | *(uint16_t *)fnode_param->value; | |
7085 | break; | |
7086 | case ISCSI_FLASHNODE_IPV4_TOS: | |
7087 | fnode_conn->ipv4_tos = fnode_param->value[0]; | |
7088 | break; | |
7089 | case ISCSI_FLASHNODE_IPV6_TC: | |
7090 | fnode_conn->ipv6_traffic_class = fnode_param->value[0]; | |
7091 | break; | |
7092 | case ISCSI_FLASHNODE_IPV6_FLOW_LABEL: | |
7093 | fnode_conn->ipv6_flow_label = fnode_param->value[0]; | |
7094 | break; | |
7095 | case ISCSI_FLASHNODE_NAME: | |
7096 | rc = iscsi_switch_str_param(&fnode_sess->targetname, | |
7097 | (char *)fnode_param->value); | |
7098 | break; | |
7099 | case ISCSI_FLASHNODE_TPGT: | |
7100 | fnode_sess->tpgt = *(uint16_t *)fnode_param->value; | |
7101 | break; | |
7102 | case ISCSI_FLASHNODE_LINK_LOCAL_IPV6: | |
7103 | memcpy(fnode_conn->link_local_ipv6_addr, | |
7104 | fnode_param->value, IPv6_ADDR_LEN); | |
7105 | break; | |
65560166 AC |
7106 | case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX: |
7107 | fnode_sess->discovery_parent_idx = | |
1e9e2be3 AC |
7108 | *(uint16_t *)fnode_param->value; |
7109 | break; | |
7110 | case ISCSI_FLASHNODE_TCP_XMIT_WSF: | |
7111 | fnode_conn->tcp_xmit_wsf = | |
7112 | *(uint8_t *)fnode_param->value; | |
7113 | break; | |
7114 | case ISCSI_FLASHNODE_TCP_RECV_WSF: | |
7115 | fnode_conn->tcp_recv_wsf = | |
7116 | *(uint8_t *)fnode_param->value; | |
7117 | break; | |
7118 | case ISCSI_FLASHNODE_STATSN: | |
7119 | fnode_conn->statsn = *(uint32_t *)fnode_param->value; | |
7120 | break; | |
7121 | case ISCSI_FLASHNODE_EXP_STATSN: | |
7122 | fnode_conn->exp_statsn = | |
7123 | *(uint32_t *)fnode_param->value; | |
7124 | break; | |
244c079b AC |
7125 | case ISCSI_FLASHNODE_CHAP_OUT_IDX: |
7126 | chap_out_idx = *(uint16_t *)fnode_param->value; | |
7127 | if (!qla4xxx_get_uni_chap_at_index(ha, | |
7128 | chap_tbl.name, | |
7129 | chap_tbl.secret, | |
7130 | chap_out_idx)) { | |
7131 | fnode_sess->chap_out_idx = chap_out_idx; | |
7132 | /* Enable chap auth if chap index is valid */ | |
7133 | fnode_sess->chap_auth_en = QL4_PARAM_ENABLE; | |
7134 | } | |
7135 | break; | |
1e9e2be3 AC |
7136 | default: |
7137 | ql4_printk(KERN_ERR, ha, | |
7138 | "%s: No such sysfs attribute\n", __func__); | |
7139 | rc = -ENOSYS; | |
7140 | goto exit_set_param; | |
7141 | } | |
7142 | } | |
7143 | ||
7144 | rc = qla4xxx_sysfs_ddb_apply(fnode_sess, fnode_conn); | |
7145 | ||
7146 | exit_set_param: | |
7147 | return rc; | |
7148 | } | |
7149 | ||
7150 | /** | |
7151 | * qla4xxx_sysfs_ddb_delete - Delete firmware DDB entry | |
7152 | * @fnode_sess: pointer to session attrs of flash ddb entry | |
7153 | * | |
7154 | * This invalidates the flash ddb entry at the given index | |
7155 | **/ | |
7156 | static int qla4xxx_sysfs_ddb_delete(struct iscsi_bus_flash_session *fnode_sess) | |
7157 | { | |
7158 | struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); | |
7159 | struct scsi_qla_host *ha = to_qla_host(shost); | |
7160 | uint32_t dev_db_start_offset; | |
7161 | uint32_t dev_db_end_offset; | |
7162 | struct dev_db_entry *fw_ddb_entry = NULL; | |
7163 | dma_addr_t fw_ddb_entry_dma; | |
7164 | uint16_t *ddb_cookie = NULL; | |
b6130cea | 7165 | size_t ddb_size = 0; |
039acc1e | 7166 | void *pddb = NULL; |
1e9e2be3 AC |
7167 | int target_id; |
7168 | int rc = 0; | |
7169 | ||
1e9e2be3 AC |
7170 | if (fnode_sess->is_boot_target) { |
7171 | rc = -EPERM; | |
7172 | DEBUG2(ql4_printk(KERN_ERR, ha, | |
7173 | "%s: Deletion of boot target entry is not permitted.\n", | |
7174 | __func__)); | |
7175 | goto exit_ddb_del; | |
7176 | } | |
7177 | ||
7178 | if (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT) | |
7179 | goto sysfs_ddb_del; | |
7180 | ||
1e9e2be3 AC |
7181 | if (is_qla40XX(ha)) { |
7182 | dev_db_start_offset = FLASH_OFFSET_DB_INFO; | |
039acc1e AC |
7183 | dev_db_end_offset = FLASH_OFFSET_DB_END; |
7184 | dev_db_start_offset += (fnode_sess->target_id * | |
7185 | sizeof(*fw_ddb_entry)); | |
7186 | ddb_size = sizeof(*fw_ddb_entry); | |
1e9e2be3 AC |
7187 | } else { |
7188 | dev_db_start_offset = FLASH_RAW_ACCESS_ADDR + | |
7189 | (ha->hw.flt_region_ddb << 2); | |
7190 | /* flt_ddb_size is DDB table size for both ports | |
7191 | * so divide it by 2 to calculate the offset for second port | |
7192 | */ | |
7193 | if (ha->port_num == 1) | |
7194 | dev_db_start_offset += (ha->hw.flt_ddb_size / 2); | |
1e9e2be3 | 7195 | |
039acc1e AC |
7196 | dev_db_end_offset = dev_db_start_offset + |
7197 | (ha->hw.flt_ddb_size / 2); | |
7198 | ||
7199 | dev_db_start_offset += (fnode_sess->target_id * | |
7200 | sizeof(*fw_ddb_entry)); | |
1bcb5619 | 7201 | dev_db_start_offset += offsetof(struct dev_db_entry, cookie); |
039acc1e AC |
7202 | |
7203 | ddb_size = sizeof(*ddb_cookie); | |
7204 | } | |
1e9e2be3 AC |
7205 | |
7206 | DEBUG2(ql4_printk(KERN_ERR, ha, "%s: start offset=%u, end offset=%u\n", | |
7207 | __func__, dev_db_start_offset, dev_db_end_offset)); | |
7208 | ||
7209 | if (dev_db_start_offset > dev_db_end_offset) { | |
7210 | rc = -EIO; | |
7211 | DEBUG2(ql4_printk(KERN_ERR, ha, "%s:Invalid DDB index %u\n", | |
7212 | __func__, fnode_sess->target_id)); | |
7213 | goto exit_ddb_del; | |
7214 | } | |
7215 | ||
039acc1e AC |
7216 | pddb = dma_alloc_coherent(&ha->pdev->dev, ddb_size, |
7217 | &fw_ddb_entry_dma, GFP_KERNEL); | |
7218 | if (!pddb) { | |
7219 | rc = -ENOMEM; | |
7220 | DEBUG2(ql4_printk(KERN_ERR, ha, | |
7221 | "%s: Unable to allocate dma buffer\n", | |
7222 | __func__)); | |
7223 | goto exit_ddb_del; | |
7224 | } | |
7225 | ||
7226 | if (is_qla40XX(ha)) { | |
7227 | fw_ddb_entry = pddb; | |
7228 | memset(fw_ddb_entry, 0, ddb_size); | |
7229 | ddb_cookie = &fw_ddb_entry->cookie; | |
7230 | } else { | |
7231 | ddb_cookie = pddb; | |
7232 | } | |
7233 | ||
1e9e2be3 AC |
7234 | /* invalidate the cookie */ |
7235 | *ddb_cookie = 0xFFEE; | |
7236 | qla4xxx_set_flash(ha, fw_ddb_entry_dma, dev_db_start_offset, | |
039acc1e | 7237 | ddb_size, FLASH_OPT_RMW_COMMIT); |
1e9e2be3 AC |
7238 | |
7239 | sysfs_ddb_del: | |
7240 | target_id = fnode_sess->target_id; | |
7241 | iscsi_destroy_flashnode_sess(fnode_sess); | |
7242 | ql4_printk(KERN_INFO, ha, | |
7243 | "%s: session and conn entries for flashnode %u of host %lu deleted\n", | |
7244 | __func__, target_id, ha->host_no); | |
7245 | exit_ddb_del: | |
039acc1e AC |
7246 | if (pddb) |
7247 | dma_free_coherent(&ha->pdev->dev, ddb_size, pddb, | |
7248 | fw_ddb_entry_dma); | |
1e9e2be3 AC |
7249 | return rc; |
7250 | } | |
7251 | ||
7252 | /** | |
7253 | * qla4xxx_sysfs_ddb_export - Create sysfs entries for firmware DDBs | |
7254 | * @ha: pointer to adapter structure | |
7255 | * | |
7256 | * Export the firmware DDB for all send targets and normal targets to sysfs. | |
7257 | **/ | |
7258 | static int qla4xxx_sysfs_ddb_export(struct scsi_qla_host *ha) | |
7259 | { | |
7260 | struct dev_db_entry *fw_ddb_entry = NULL; | |
7261 | dma_addr_t fw_ddb_entry_dma; | |
7262 | uint16_t max_ddbs; | |
7263 | uint16_t idx = 0; | |
7264 | int ret = QLA_SUCCESS; | |
7265 | ||
7266 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, | |
7267 | sizeof(*fw_ddb_entry), | |
7268 | &fw_ddb_entry_dma, GFP_KERNEL); | |
7269 | if (!fw_ddb_entry) { | |
7270 | DEBUG2(ql4_printk(KERN_ERR, ha, | |
7271 | "%s: Unable to allocate dma buffer\n", | |
7272 | __func__)); | |
7273 | return -ENOMEM; | |
7274 | } | |
7275 | ||
a957a7d7 | 7276 | max_ddbs = is_qla40XX(ha) ? MAX_PRST_DEV_DB_ENTRIES : |
1e9e2be3 AC |
7277 | MAX_DEV_DB_ENTRIES; |
7278 | ||
7279 | for (idx = 0; idx < max_ddbs; idx++) { | |
7280 | if (qla4xxx_flashdb_by_index(ha, fw_ddb_entry, fw_ddb_entry_dma, | |
7281 | idx)) | |
7282 | continue; | |
7283 | ||
7284 | ret = qla4xxx_sysfs_ddb_tgt_create(ha, fw_ddb_entry, &idx, 0); | |
7285 | if (ret) { | |
7286 | ret = -EIO; | |
7287 | break; | |
7288 | } | |
7289 | } | |
7290 | ||
7291 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), fw_ddb_entry, | |
7292 | fw_ddb_entry_dma); | |
7293 | ||
7294 | return ret; | |
7295 | } | |
7296 | ||
7297 | static void qla4xxx_sysfs_ddb_remove(struct scsi_qla_host *ha) | |
7298 | { | |
7299 | iscsi_destroy_all_flashnode(ha->host); | |
7300 | } | |
7301 | ||
7302 | /** | |
7303 | * qla4xxx_build_ddb_list - Build ddb list and setup sessions | |
7304 | * @ha: pointer to adapter structure | |
7305 | * @is_reset: Is this init path or reset path | |
7306 | * | |
7307 | * Create a list of sendtargets (st) from firmware DDBs, issue send targets | |
7308 | * using connection open, then create the list of normal targets (nt) | |
7309 | * from firmware DDBs. Based on the list of nt setup session and connection | |
7310 | * objects. | |
7311 | **/ | |
7312 | void qla4xxx_build_ddb_list(struct scsi_qla_host *ha, int is_reset) | |
7313 | { | |
7314 | uint16_t tmo = 0; | |
7315 | struct list_head list_st, list_nt; | |
7316 | struct qla_ddb_index *st_ddb_idx, *st_ddb_idx_tmp; | |
7317 | unsigned long wtime; | |
7318 | ||
7319 | if (!test_bit(AF_LINK_UP, &ha->flags)) { | |
7320 | set_bit(AF_BUILD_DDB_LIST, &ha->flags); | |
7321 | ha->is_reset = is_reset; | |
7322 | return; | |
7323 | } | |
7324 | ||
7325 | INIT_LIST_HEAD(&list_st); | |
7326 | INIT_LIST_HEAD(&list_nt); | |
7327 | ||
7328 | qla4xxx_build_st_list(ha, &list_st); | |
7329 | ||
7330 | /* Before issuing conn open mbox, ensure all IPs states are configured | |
7331 | * Note, conn open fails if IPs are not configured | |
7332 | */ | |
7333 | qla4xxx_wait_for_ip_configuration(ha); | |
7334 | ||
7335 | /* Go thru the STs and fire the sendtargets by issuing conn open mbx */ | |
7336 | list_for_each_entry_safe(st_ddb_idx, st_ddb_idx_tmp, &list_st, list) { | |
7337 | qla4xxx_conn_open(ha, st_ddb_idx->fw_ddb_idx); | |
7338 | } | |
7339 | ||
7340 | /* Wait to ensure all sendtargets are done for min 12 sec wait */ | |
7341 | tmo = ((ha->def_timeout > LOGIN_TOV) && | |
7342 | (ha->def_timeout < LOGIN_TOV * 10) ? | |
7343 | ha->def_timeout : LOGIN_TOV); | |
7344 | ||
7345 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
7346 | "Default time to wait for build ddb %d\n", tmo)); | |
7347 | ||
7348 | wtime = jiffies + (HZ * tmo); | |
7349 | do { | |
7350 | if (list_empty(&list_st)) | |
7351 | break; | |
7352 | ||
7353 | qla4xxx_remove_failed_ddb(ha, &list_st); | |
7354 | schedule_timeout_uninterruptible(HZ / 10); | |
7355 | } while (time_after(wtime, jiffies)); | |
7356 | ||
1e9e2be3 | 7357 | |
ad8bd45e | 7358 | qla4xxx_build_nt_list(ha, &list_nt, &list_st, is_reset); |
1e9e2be3 | 7359 | |
ad8bd45e | 7360 | qla4xxx_free_ddb_list(&list_st); |
1e9e2be3 AC |
7361 | qla4xxx_free_ddb_list(&list_nt); |
7362 | ||
7363 | qla4xxx_free_ddb_index(ha); | |
7364 | } | |
7365 | ||
7366 | /** | |
7367 | * qla4xxx_wait_login_resp_boot_tgt - Wait for iSCSI boot target login | |
7368 | * response. | |
7369 | * @ha: pointer to adapter structure | |
7370 | * | |
7371 | * When the boot entry is normal iSCSI target then DF_BOOT_TGT flag will be | |
7372 | * set in DDB and we will wait for login response of boot targets during | |
7373 | * probe. | |
7374 | **/ | |
7375 | static void qla4xxx_wait_login_resp_boot_tgt(struct scsi_qla_host *ha) | |
7376 | { | |
7377 | struct ddb_entry *ddb_entry; | |
7378 | struct dev_db_entry *fw_ddb_entry = NULL; | |
7379 | dma_addr_t fw_ddb_entry_dma; | |
7380 | unsigned long wtime; | |
7381 | uint32_t ddb_state; | |
7382 | int max_ddbs, idx, ret; | |
7383 | ||
7384 | max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : | |
7385 | MAX_DEV_DB_ENTRIES; | |
7386 | ||
7387 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
7388 | &fw_ddb_entry_dma, GFP_KERNEL); | |
7389 | if (!fw_ddb_entry) { | |
7390 | ql4_printk(KERN_ERR, ha, | |
7391 | "%s: Unable to allocate dma buffer\n", __func__); | |
7392 | goto exit_login_resp; | |
7393 | } | |
7394 | ||
7395 | wtime = jiffies + (HZ * BOOT_LOGIN_RESP_TOV); | |
7396 | ||
7397 | for (idx = 0; idx < max_ddbs; idx++) { | |
7398 | ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); | |
7399 | if (ddb_entry == NULL) | |
7400 | continue; | |
7401 | ||
7402 | if (test_bit(DF_BOOT_TGT, &ddb_entry->flags)) { | |
7403 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
7404 | "%s: DDB index [%d]\n", __func__, | |
7405 | ddb_entry->fw_ddb_index)); | |
7406 | do { | |
7407 | ret = qla4xxx_get_fwddb_entry(ha, | |
7408 | ddb_entry->fw_ddb_index, | |
7409 | fw_ddb_entry, fw_ddb_entry_dma, | |
7410 | NULL, NULL, &ddb_state, NULL, | |
7411 | NULL, NULL); | |
7412 | if (ret == QLA_ERROR) | |
7413 | goto exit_login_resp; | |
7414 | ||
7415 | if ((ddb_state == DDB_DS_SESSION_ACTIVE) || | |
7416 | (ddb_state == DDB_DS_SESSION_FAILED)) | |
7417 | break; | |
7418 | ||
7419 | schedule_timeout_uninterruptible(HZ); | |
7420 | ||
7421 | } while ((time_after(wtime, jiffies))); | |
7422 | ||
7423 | if (!time_after(wtime, jiffies)) { | |
7424 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
7425 | "%s: Login response wait timer expired\n", | |
7426 | __func__)); | |
7427 | goto exit_login_resp; | |
7428 | } | |
7429 | } | |
7430 | } | |
7431 | ||
7432 | exit_login_resp: | |
7433 | if (fw_ddb_entry) | |
7434 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
7435 | fw_ddb_entry, fw_ddb_entry_dma); | |
7436 | } | |
7437 | ||
7438 | /** | |
7439 | * qla4xxx_probe_adapter - callback function to probe HBA | |
7440 | * @pdev: pointer to pci_dev structure | |
7441 | * @pci_device_id: pointer to pci_device entry | |
7442 | * | |
7443 | * This routine will probe for Qlogic 4xxx iSCSI host adapters. | |
7444 | * It returns zero if successful. It also initializes all data necessary for | |
7445 | * the driver. | |
7446 | **/ | |
7447 | static int qla4xxx_probe_adapter(struct pci_dev *pdev, | |
7448 | const struct pci_device_id *ent) | |
7449 | { | |
7450 | int ret = -ENODEV, status; | |
7451 | struct Scsi_Host *host; | |
7452 | struct scsi_qla_host *ha; | |
7453 | uint8_t init_retry_count = 0; | |
7454 | char buf[34]; | |
7455 | struct qla4_8xxx_legacy_intr_set *nx_legacy_intr; | |
7456 | uint32_t dev_state; | |
7457 | ||
7458 | if (pci_enable_device(pdev)) | |
7459 | return -1; | |
7460 | ||
7461 | host = iscsi_host_alloc(&qla4xxx_driver_template, sizeof(*ha), 0); | |
7462 | if (host == NULL) { | |
afaf5a2d DS |
7463 | printk(KERN_WARNING |
7464 | "qla4xxx: Couldn't allocate host from scsi layer!\n"); | |
7465 | goto probe_disable_device; | |
7466 | } | |
7467 | ||
7468 | /* Clear our data area */ | |
b3a271a9 | 7469 | ha = to_qla_host(host); |
afaf5a2d DS |
7470 | memset(ha, 0, sizeof(*ha)); |
7471 | ||
7472 | /* Save the information from PCI BIOS. */ | |
7473 | ha->pdev = pdev; | |
7474 | ha->host = host; | |
7475 | ha->host_no = host->host_no; | |
6e7b4292 | 7476 | ha->func_num = PCI_FUNC(ha->pdev->devfn); |
afaf5a2d | 7477 | |
2232be0d LC |
7478 | pci_enable_pcie_error_reporting(pdev); |
7479 | ||
f4f5df23 VC |
7480 | /* Setup Runtime configurable options */ |
7481 | if (is_qla8022(ha)) { | |
7664a1fd | 7482 | ha->isp_ops = &qla4_82xx_isp_ops; |
33693c7a | 7483 | ha->reg_tbl = (uint32_t *) qla4_82xx_reg_tbl; |
f4f5df23 VC |
7484 | ha->qdr_sn_window = -1; |
7485 | ha->ddr_mn_window = -1; | |
7486 | ha->curr_window = 255; | |
f4f5df23 VC |
7487 | nx_legacy_intr = &legacy_intr[ha->func_num]; |
7488 | ha->nx_legacy_intr.int_vec_bit = nx_legacy_intr->int_vec_bit; | |
7489 | ha->nx_legacy_intr.tgt_status_reg = | |
7490 | nx_legacy_intr->tgt_status_reg; | |
7491 | ha->nx_legacy_intr.tgt_mask_reg = nx_legacy_intr->tgt_mask_reg; | |
7492 | ha->nx_legacy_intr.pci_int_reg = nx_legacy_intr->pci_int_reg; | |
b37ca418 | 7493 | } else if (is_qla8032(ha) || is_qla8042(ha)) { |
6e7b4292 VC |
7494 | ha->isp_ops = &qla4_83xx_isp_ops; |
7495 | ha->reg_tbl = (uint32_t *)qla4_83xx_reg_tbl; | |
f4f5df23 VC |
7496 | } else { |
7497 | ha->isp_ops = &qla4xxx_isp_ops; | |
7498 | } | |
7499 | ||
6e7b4292 VC |
7500 | if (is_qla80XX(ha)) { |
7501 | rwlock_init(&ha->hw_lock); | |
7502 | ha->pf_bit = ha->func_num << 16; | |
7503 | /* Set EEH reset type to fundamental if required by hba */ | |
2232be0d | 7504 | pdev->needs_freset = 1; |
6e7b4292 | 7505 | } |
2232be0d | 7506 | |
afaf5a2d | 7507 | /* Configure PCI I/O space. */ |
f4f5df23 | 7508 | ret = ha->isp_ops->iospace_config(ha); |
afaf5a2d | 7509 | if (ret) |
f4f5df23 | 7510 | goto probe_failed_ioconfig; |
afaf5a2d | 7511 | |
c2660df3 | 7512 | ql4_printk(KERN_INFO, ha, "Found an ISP%04x, irq %d, iobase 0x%p\n", |
afaf5a2d DS |
7513 | pdev->device, pdev->irq, ha->reg); |
7514 | ||
7515 | qla4xxx_config_dma_addressing(ha); | |
7516 | ||
7517 | /* Initialize lists and spinlocks. */ | |
afaf5a2d DS |
7518 | INIT_LIST_HEAD(&ha->free_srb_q); |
7519 | ||
7520 | mutex_init(&ha->mbox_sem); | |
4549415a | 7521 | mutex_init(&ha->chap_sem); |
f4f5df23 | 7522 | init_completion(&ha->mbx_intr_comp); |
95d31262 | 7523 | init_completion(&ha->disable_acb_comp); |
afaf5a2d DS |
7524 | |
7525 | spin_lock_init(&ha->hardware_lock); | |
8e9157c8 | 7526 | spin_lock_init(&ha->work_lock); |
afaf5a2d | 7527 | |
ff884430 VC |
7528 | /* Initialize work list */ |
7529 | INIT_LIST_HEAD(&ha->work_list); | |
7530 | ||
afaf5a2d DS |
7531 | /* Allocate dma buffers */ |
7532 | if (qla4xxx_mem_alloc(ha)) { | |
c2660df3 VC |
7533 | ql4_printk(KERN_WARNING, ha, |
7534 | "[ERROR] Failed to allocate memory for adapter\n"); | |
afaf5a2d DS |
7535 | |
7536 | ret = -ENOMEM; | |
7537 | goto probe_failed; | |
7538 | } | |
7539 | ||
b3a271a9 MR |
7540 | host->cmd_per_lun = 3; |
7541 | host->max_channel = 0; | |
7542 | host->max_lun = MAX_LUNS - 1; | |
7543 | host->max_id = MAX_TARGETS; | |
7544 | host->max_cmd_len = IOCB_MAX_CDB_LEN; | |
7545 | host->can_queue = MAX_SRBS ; | |
7546 | host->transportt = qla4xxx_scsi_transport; | |
7547 | ||
7548 | ret = scsi_init_shared_tag_map(host, MAX_SRBS); | |
7549 | if (ret) { | |
7550 | ql4_printk(KERN_WARNING, ha, | |
7551 | "%s: scsi_init_shared_tag_map failed\n", __func__); | |
7552 | goto probe_failed; | |
7553 | } | |
7554 | ||
7555 | pci_set_drvdata(pdev, ha); | |
7556 | ||
7557 | ret = scsi_add_host(host, &pdev->dev); | |
7558 | if (ret) | |
7559 | goto probe_failed; | |
7560 | ||
6e7b4292 VC |
7561 | if (is_qla80XX(ha)) |
7562 | qla4_8xxx_get_flash_info(ha); | |
7563 | ||
b37ca418 | 7564 | if (is_qla8032(ha) || is_qla8042(ha)) { |
6e7b4292 VC |
7565 | qla4_83xx_read_reset_template(ha); |
7566 | /* | |
7567 | * NOTE: If ql4dontresethba==1, set IDC_CTRL DONTRESET_BIT0. | |
7568 | * If DONRESET_BIT0 is set, drivers should not set dev_state | |
7569 | * to NEED_RESET. But if NEED_RESET is set, drivers should | |
7570 | * should honor the reset. | |
7571 | */ | |
7572 | if (ql4xdontresethba == 1) | |
7573 | qla4_83xx_set_idc_dontreset(ha); | |
7574 | } | |
f4f5df23 | 7575 | |
afaf5a2d DS |
7576 | /* |
7577 | * Initialize the Host adapter request/response queues and | |
7578 | * firmware | |
7579 | * NOTE: interrupts enabled upon successful completion | |
7580 | */ | |
13483730 | 7581 | status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER); |
7977f825 PV |
7582 | |
7583 | /* Dont retry adapter initialization if IRQ allocation failed */ | |
17801c96 NJ |
7584 | if (is_qla80XX(ha) && !test_bit(AF_IRQ_ATTACHED, &ha->flags)) { |
7585 | ql4_printk(KERN_WARNING, ha, "%s: Skipping retry of adapter initialization\n", | |
7586 | __func__); | |
7977f825 | 7587 | goto skip_retry_init; |
17801c96 | 7588 | } |
7977f825 | 7589 | |
f4f5df23 VC |
7590 | while ((!test_bit(AF_ONLINE, &ha->flags)) && |
7591 | init_retry_count++ < MAX_INIT_RETRIES) { | |
f9880e76 | 7592 | |
6e7b4292 | 7593 | if (is_qla80XX(ha)) { |
33693c7a VC |
7594 | ha->isp_ops->idc_lock(ha); |
7595 | dev_state = qla4_8xxx_rd_direct(ha, | |
e951aca1 | 7596 | QLA8XXX_CRB_DEV_STATE); |
33693c7a | 7597 | ha->isp_ops->idc_unlock(ha); |
de8c72da | 7598 | if (dev_state == QLA8XXX_DEV_FAILED) { |
f9880e76 PM |
7599 | ql4_printk(KERN_WARNING, ha, "%s: don't retry " |
7600 | "initialize adapter. H/W is in failed state\n", | |
7601 | __func__); | |
7602 | break; | |
7603 | } | |
7604 | } | |
afaf5a2d DS |
7605 | DEBUG2(printk("scsi: %s: retrying adapter initialization " |
7606 | "(%d)\n", __func__, init_retry_count)); | |
f4f5df23 VC |
7607 | |
7608 | if (ha->isp_ops->reset_chip(ha) == QLA_ERROR) | |
7609 | continue; | |
7610 | ||
13483730 | 7611 | status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER); |
afaf5a2d | 7612 | } |
f4f5df23 | 7613 | |
7977f825 | 7614 | skip_retry_init: |
f4f5df23 | 7615 | if (!test_bit(AF_ONLINE, &ha->flags)) { |
c2660df3 | 7616 | ql4_printk(KERN_WARNING, ha, "Failed to initialize adapter\n"); |
afaf5a2d | 7617 | |
6e7b4292 | 7618 | if ((is_qla8022(ha) && ql4xdontresethba) || |
b37ca418 VC |
7619 | ((is_qla8032(ha) || is_qla8042(ha)) && |
7620 | qla4_83xx_idc_dontreset(ha))) { | |
fe998527 LC |
7621 | /* Put the device in failed state. */ |
7622 | DEBUG2(printk(KERN_ERR "HW STATE: FAILED\n")); | |
33693c7a VC |
7623 | ha->isp_ops->idc_lock(ha); |
7624 | qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, | |
7625 | QLA8XXX_DEV_FAILED); | |
7626 | ha->isp_ops->idc_unlock(ha); | |
fe998527 | 7627 | } |
afaf5a2d | 7628 | ret = -ENODEV; |
b3a271a9 | 7629 | goto remove_host; |
afaf5a2d DS |
7630 | } |
7631 | ||
afaf5a2d DS |
7632 | /* Startup the kernel thread for this host adapter. */ |
7633 | DEBUG2(printk("scsi: %s: Starting kernel thread for " | |
7634 | "qla4xxx_dpc\n", __func__)); | |
7635 | sprintf(buf, "qla4xxx_%lu_dpc", ha->host_no); | |
7636 | ha->dpc_thread = create_singlethread_workqueue(buf); | |
7637 | if (!ha->dpc_thread) { | |
c2660df3 | 7638 | ql4_printk(KERN_WARNING, ha, "Unable to start DPC thread!\n"); |
afaf5a2d | 7639 | ret = -ENODEV; |
b3a271a9 | 7640 | goto remove_host; |
afaf5a2d | 7641 | } |
c4028958 | 7642 | INIT_WORK(&ha->dpc_work, qla4xxx_do_dpc); |
afaf5a2d | 7643 | |
d8537548 KC |
7644 | ha->task_wq = alloc_workqueue("qla4xxx_%lu_task", WQ_MEM_RECLAIM, 1, |
7645 | ha->host_no); | |
b3a271a9 MR |
7646 | if (!ha->task_wq) { |
7647 | ql4_printk(KERN_WARNING, ha, "Unable to start task thread!\n"); | |
7648 | ret = -ENODEV; | |
7649 | goto remove_host; | |
7650 | } | |
7651 | ||
6e7b4292 VC |
7652 | /* |
7653 | * For ISP-8XXX, request_irqs is called in qla4_8xxx_load_risc | |
f4f5df23 VC |
7654 | * (which is called indirectly by qla4xxx_initialize_adapter), |
7655 | * so that irqs will be registered after crbinit but before | |
7656 | * mbx_intr_enable. | |
7657 | */ | |
ee996a69 | 7658 | if (is_qla40XX(ha)) { |
f4f5df23 VC |
7659 | ret = qla4xxx_request_irqs(ha); |
7660 | if (ret) { | |
7661 | ql4_printk(KERN_WARNING, ha, "Failed to reserve " | |
7662 | "interrupt %d already in use.\n", pdev->irq); | |
b3a271a9 | 7663 | goto remove_host; |
f4f5df23 | 7664 | } |
afaf5a2d | 7665 | } |
afaf5a2d | 7666 | |
2232be0d | 7667 | pci_save_state(ha->pdev); |
f4f5df23 | 7668 | ha->isp_ops->enable_intrs(ha); |
afaf5a2d DS |
7669 | |
7670 | /* Start timer thread. */ | |
7671 | qla4xxx_start_timer(ha, qla4xxx_timer, 1); | |
7672 | ||
7673 | set_bit(AF_INIT_DONE, &ha->flags); | |
7674 | ||
068237c8 TP |
7675 | qla4_8xxx_alloc_sysfs_attr(ha); |
7676 | ||
afaf5a2d DS |
7677 | printk(KERN_INFO |
7678 | " QLogic iSCSI HBA Driver version: %s\n" | |
7679 | " QLogic ISP%04x @ %s, host#=%ld, fw=%02d.%02d.%02d.%02d\n", | |
7680 | qla4xxx_version_str, ha->pdev->device, pci_name(ha->pdev), | |
eee06a0f AC |
7681 | ha->host_no, ha->fw_info.fw_major, ha->fw_info.fw_minor, |
7682 | ha->fw_info.fw_patch, ha->fw_info.fw_build); | |
ed1086e0 | 7683 | |
cfb27874 MD |
7684 | /* Set the driver version */ |
7685 | if (is_qla80XX(ha)) | |
7686 | qla4_8xxx_set_param(ha, SET_DRVR_VERSION); | |
7687 | ||
2a991c21 | 7688 | if (qla4xxx_setup_boot_info(ha)) |
3573bfb2 VC |
7689 | ql4_printk(KERN_ERR, ha, |
7690 | "%s: No iSCSI boot target configured\n", __func__); | |
2a991c21 | 7691 | |
1e9e2be3 AC |
7692 | if (qla4xxx_sysfs_ddb_export(ha)) |
7693 | ql4_printk(KERN_ERR, ha, | |
7694 | "%s: Error exporting ddb to sysfs\n", __func__); | |
7695 | ||
13483730 MC |
7696 | /* Perform the build ddb list and login to each */ |
7697 | qla4xxx_build_ddb_list(ha, INIT_ADAPTER); | |
7698 | iscsi_host_for_each_session(ha->host, qla4xxx_login_flash_ddb); | |
1dc8ed5d | 7699 | qla4xxx_wait_login_resp_boot_tgt(ha); |
13483730 MC |
7700 | |
7701 | qla4xxx_create_chap_list(ha); | |
7702 | ||
ed1086e0 | 7703 | qla4xxx_create_ifaces(ha); |
afaf5a2d DS |
7704 | return 0; |
7705 | ||
b3a271a9 MR |
7706 | remove_host: |
7707 | scsi_remove_host(ha->host); | |
7708 | ||
afaf5a2d DS |
7709 | probe_failed: |
7710 | qla4xxx_free_adapter(ha); | |
f4f5df23 VC |
7711 | |
7712 | probe_failed_ioconfig: | |
2232be0d | 7713 | pci_disable_pcie_error_reporting(pdev); |
afaf5a2d DS |
7714 | scsi_host_put(ha->host); |
7715 | ||
7716 | probe_disable_device: | |
7717 | pci_disable_device(pdev); | |
7718 | ||
7719 | return ret; | |
7720 | } | |
7721 | ||
7eece5a0 KH |
7722 | /** |
7723 | * qla4xxx_prevent_other_port_reinit - prevent other port from re-initialize | |
7724 | * @ha: pointer to adapter structure | |
7725 | * | |
7726 | * Mark the other ISP-4xxx port to indicate that the driver is being removed, | |
7727 | * so that the other port will not re-initialize while in the process of | |
7728 | * removing the ha due to driver unload or hba hotplug. | |
7729 | **/ | |
7730 | static void qla4xxx_prevent_other_port_reinit(struct scsi_qla_host *ha) | |
7731 | { | |
7732 | struct scsi_qla_host *other_ha = NULL; | |
7733 | struct pci_dev *other_pdev = NULL; | |
7734 | int fn = ISP4XXX_PCI_FN_2; | |
7735 | ||
7736 | /*iscsi function numbers for ISP4xxx is 1 and 3*/ | |
7737 | if (PCI_FUNC(ha->pdev->devfn) & BIT_1) | |
7738 | fn = ISP4XXX_PCI_FN_1; | |
7739 | ||
7740 | other_pdev = | |
7741 | pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus), | |
7742 | ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn), | |
7743 | fn)); | |
7744 | ||
7745 | /* Get other_ha if other_pdev is valid and state is enable*/ | |
7746 | if (other_pdev) { | |
7747 | if (atomic_read(&other_pdev->enable_cnt)) { | |
7748 | other_ha = pci_get_drvdata(other_pdev); | |
7749 | if (other_ha) { | |
7750 | set_bit(AF_HA_REMOVAL, &other_ha->flags); | |
7751 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: " | |
7752 | "Prevent %s reinit\n", __func__, | |
7753 | dev_name(&other_ha->pdev->dev))); | |
7754 | } | |
7755 | } | |
7756 | pci_dev_put(other_pdev); | |
7757 | } | |
7758 | } | |
7759 | ||
13483730 MC |
7760 | static void qla4xxx_destroy_fw_ddb_session(struct scsi_qla_host *ha) |
7761 | { | |
7762 | struct ddb_entry *ddb_entry; | |
7763 | int options; | |
7764 | int idx; | |
7765 | ||
7766 | for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { | |
7767 | ||
7768 | ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); | |
7769 | if ((ddb_entry != NULL) && | |
7770 | (ddb_entry->ddb_type == FLASH_DDB)) { | |
7771 | ||
7772 | options = LOGOUT_OPTION_CLOSE_SESSION; | |
7773 | if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) | |
7774 | == QLA_ERROR) | |
7775 | ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", | |
7776 | __func__); | |
7777 | ||
7778 | qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); | |
7779 | /* | |
7780 | * we have decremented the reference count of the driver | |
7781 | * when we setup the session to have the driver unload | |
7782 | * to be seamless without actually destroying the | |
7783 | * session | |
7784 | **/ | |
7785 | try_module_get(qla4xxx_iscsi_transport.owner); | |
7786 | iscsi_destroy_endpoint(ddb_entry->conn->ep); | |
7787 | qla4xxx_free_ddb(ha, ddb_entry); | |
7788 | iscsi_session_teardown(ddb_entry->sess); | |
7789 | } | |
7790 | } | |
7791 | } | |
afaf5a2d | 7792 | /** |
59e13d48 | 7793 | * qla4xxx_remove_adapter - callback function to remove adapter. |
afaf5a2d DS |
7794 | * @pci_dev: PCI device pointer |
7795 | **/ | |
6f039790 | 7796 | static void qla4xxx_remove_adapter(struct pci_dev *pdev) |
afaf5a2d DS |
7797 | { |
7798 | struct scsi_qla_host *ha; | |
7799 | ||
f8b0751d VC |
7800 | /* |
7801 | * If the PCI device is disabled then it means probe_adapter had | |
7802 | * failed and resources already cleaned up on probe_adapter exit. | |
7803 | */ | |
7804 | if (!pci_is_enabled(pdev)) | |
7805 | return; | |
7806 | ||
afaf5a2d DS |
7807 | ha = pci_get_drvdata(pdev); |
7808 | ||
ee996a69 | 7809 | if (is_qla40XX(ha)) |
7eece5a0 | 7810 | qla4xxx_prevent_other_port_reinit(ha); |
bee4fe8e | 7811 | |
ed1086e0 VC |
7812 | /* destroy iface from sysfs */ |
7813 | qla4xxx_destroy_ifaces(ha); | |
7814 | ||
13483730 | 7815 | if ((!ql4xdisablesysfsboot) && ha->boot_kset) |
2a991c21 MR |
7816 | iscsi_boot_destroy_kset(ha->boot_kset); |
7817 | ||
13483730 | 7818 | qla4xxx_destroy_fw_ddb_session(ha); |
068237c8 | 7819 | qla4_8xxx_free_sysfs_attr(ha); |
13483730 | 7820 | |
1e9e2be3 | 7821 | qla4xxx_sysfs_ddb_remove(ha); |
afaf5a2d DS |
7822 | scsi_remove_host(ha->host); |
7823 | ||
7824 | qla4xxx_free_adapter(ha); | |
7825 | ||
7826 | scsi_host_put(ha->host); | |
7827 | ||
2232be0d | 7828 | pci_disable_pcie_error_reporting(pdev); |
f4f5df23 | 7829 | pci_disable_device(pdev); |
afaf5a2d DS |
7830 | } |
7831 | ||
7832 | /** | |
7833 | * qla4xxx_config_dma_addressing() - Configure OS DMA addressing method. | |
7834 | * @ha: HA context | |
7835 | * | |
7836 | * At exit, the @ha's flags.enable_64bit_addressing set to indicated | |
7837 | * supported addressing method. | |
7838 | */ | |
47975477 | 7839 | static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha) |
afaf5a2d DS |
7840 | { |
7841 | int retval; | |
7842 | ||
7843 | /* Update our PCI device dma_mask for full 64 bit mask */ | |
6a35528a YH |
7844 | if (pci_set_dma_mask(ha->pdev, DMA_BIT_MASK(64)) == 0) { |
7845 | if (pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) { | |
afaf5a2d DS |
7846 | dev_dbg(&ha->pdev->dev, |
7847 | "Failed to set 64 bit PCI consistent mask; " | |
7848 | "using 32 bit.\n"); | |
7849 | retval = pci_set_consistent_dma_mask(ha->pdev, | |
284901a9 | 7850 | DMA_BIT_MASK(32)); |
afaf5a2d DS |
7851 | } |
7852 | } else | |
284901a9 | 7853 | retval = pci_set_dma_mask(ha->pdev, DMA_BIT_MASK(32)); |
afaf5a2d DS |
7854 | } |
7855 | ||
7856 | static int qla4xxx_slave_alloc(struct scsi_device *sdev) | |
7857 | { | |
b3a271a9 MR |
7858 | struct iscsi_cls_session *cls_sess; |
7859 | struct iscsi_session *sess; | |
7860 | struct ddb_entry *ddb; | |
8bb4033d | 7861 | int queue_depth = QL4_DEF_QDEPTH; |
afaf5a2d | 7862 | |
b3a271a9 MR |
7863 | cls_sess = starget_to_session(sdev->sdev_target); |
7864 | sess = cls_sess->dd_data; | |
7865 | ddb = sess->dd_data; | |
7866 | ||
afaf5a2d DS |
7867 | sdev->hostdata = ddb; |
7868 | sdev->tagged_supported = 1; | |
8bb4033d VC |
7869 | |
7870 | if (ql4xmaxqdepth != 0 && ql4xmaxqdepth <= 0xffffU) | |
7871 | queue_depth = ql4xmaxqdepth; | |
7872 | ||
7873 | scsi_activate_tcq(sdev, queue_depth); | |
afaf5a2d DS |
7874 | return 0; |
7875 | } | |
7876 | ||
7877 | static int qla4xxx_slave_configure(struct scsi_device *sdev) | |
7878 | { | |
7879 | sdev->tagged_supported = 1; | |
7880 | return 0; | |
7881 | } | |
7882 | ||
7883 | static void qla4xxx_slave_destroy(struct scsi_device *sdev) | |
7884 | { | |
7885 | scsi_deactivate_tcq(sdev, 1); | |
7886 | } | |
7887 | ||
f7b4aa63 TP |
7888 | static int qla4xxx_change_queue_depth(struct scsi_device *sdev, int qdepth, |
7889 | int reason) | |
7890 | { | |
7891 | if (!ql4xqfulltracking) | |
7892 | return -EOPNOTSUPP; | |
7893 | ||
7894 | return iscsi_change_queue_depth(sdev, qdepth, reason); | |
7895 | } | |
7896 | ||
afaf5a2d DS |
7897 | /** |
7898 | * qla4xxx_del_from_active_array - returns an active srb | |
7899 | * @ha: Pointer to host adapter structure. | |
fd589a8f | 7900 | * @index: index into the active_array |
afaf5a2d DS |
7901 | * |
7902 | * This routine removes and returns the srb at the specified index | |
7903 | **/ | |
f4f5df23 VC |
7904 | struct srb *qla4xxx_del_from_active_array(struct scsi_qla_host *ha, |
7905 | uint32_t index) | |
afaf5a2d DS |
7906 | { |
7907 | struct srb *srb = NULL; | |
5369887a | 7908 | struct scsi_cmnd *cmd = NULL; |
afaf5a2d | 7909 | |
5369887a VC |
7910 | cmd = scsi_host_find_tag(ha->host, index); |
7911 | if (!cmd) | |
afaf5a2d DS |
7912 | return srb; |
7913 | ||
5369887a VC |
7914 | srb = (struct srb *)CMD_SP(cmd); |
7915 | if (!srb) | |
afaf5a2d DS |
7916 | return srb; |
7917 | ||
7918 | /* update counters */ | |
7919 | if (srb->flags & SRB_DMA_VALID) { | |
afaf5a2d DS |
7920 | ha->iocb_cnt -= srb->iocb_cnt; |
7921 | if (srb->cmd) | |
5369887a VC |
7922 | srb->cmd->host_scribble = |
7923 | (unsigned char *)(unsigned long) MAX_SRBS; | |
afaf5a2d DS |
7924 | } |
7925 | return srb; | |
7926 | } | |
7927 | ||
afaf5a2d DS |
7928 | /** |
7929 | * qla4xxx_eh_wait_on_command - waits for command to be returned by firmware | |
09a0f719 | 7930 | * @ha: Pointer to host adapter structure. |
afaf5a2d DS |
7931 | * @cmd: Scsi Command to wait on. |
7932 | * | |
7933 | * This routine waits for the command to be returned by the Firmware | |
7934 | * for some max time. | |
7935 | **/ | |
7936 | static int qla4xxx_eh_wait_on_command(struct scsi_qla_host *ha, | |
7937 | struct scsi_cmnd *cmd) | |
7938 | { | |
7939 | int done = 0; | |
7940 | struct srb *rp; | |
7941 | uint32_t max_wait_time = EH_WAIT_CMD_TOV; | |
2232be0d LC |
7942 | int ret = SUCCESS; |
7943 | ||
7944 | /* Dont wait on command if PCI error is being handled | |
7945 | * by PCI AER driver | |
7946 | */ | |
7947 | if (unlikely(pci_channel_offline(ha->pdev)) || | |
7948 | (test_bit(AF_EEH_BUSY, &ha->flags))) { | |
7949 | ql4_printk(KERN_WARNING, ha, "scsi%ld: Return from %s\n", | |
7950 | ha->host_no, __func__); | |
7951 | return ret; | |
7952 | } | |
afaf5a2d DS |
7953 | |
7954 | do { | |
7955 | /* Checking to see if its returned to OS */ | |
5369887a | 7956 | rp = (struct srb *) CMD_SP(cmd); |
afaf5a2d DS |
7957 | if (rp == NULL) { |
7958 | done++; | |
7959 | break; | |
7960 | } | |
7961 | ||
7962 | msleep(2000); | |
7963 | } while (max_wait_time--); | |
7964 | ||
7965 | return done; | |
7966 | } | |
7967 | ||
7968 | /** | |
7969 | * qla4xxx_wait_for_hba_online - waits for HBA to come online | |
7970 | * @ha: Pointer to host adapter structure | |
7971 | **/ | |
7972 | static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha) | |
7973 | { | |
7974 | unsigned long wait_online; | |
7975 | ||
f581a3f7 | 7976 | wait_online = jiffies + (HBA_ONLINE_TOV * HZ); |
afaf5a2d DS |
7977 | while (time_before(jiffies, wait_online)) { |
7978 | ||
7979 | if (adapter_up(ha)) | |
7980 | return QLA_SUCCESS; | |
afaf5a2d DS |
7981 | |
7982 | msleep(2000); | |
7983 | } | |
7984 | ||
7985 | return QLA_ERROR; | |
7986 | } | |
7987 | ||
7988 | /** | |
ce545039 | 7989 | * qla4xxx_eh_wait_for_commands - wait for active cmds to finish. |
fd589a8f | 7990 | * @ha: pointer to HBA |
afaf5a2d DS |
7991 | * @t: target id |
7992 | * @l: lun id | |
7993 | * | |
7994 | * This function waits for all outstanding commands to a lun to complete. It | |
7995 | * returns 0 if all pending commands are returned and 1 otherwise. | |
7996 | **/ | |
ce545039 MC |
7997 | static int qla4xxx_eh_wait_for_commands(struct scsi_qla_host *ha, |
7998 | struct scsi_target *stgt, | |
7999 | struct scsi_device *sdev) | |
afaf5a2d DS |
8000 | { |
8001 | int cnt; | |
8002 | int status = 0; | |
8003 | struct scsi_cmnd *cmd; | |
8004 | ||
8005 | /* | |
ce545039 MC |
8006 | * Waiting for all commands for the designated target or dev |
8007 | * in the active array | |
afaf5a2d DS |
8008 | */ |
8009 | for (cnt = 0; cnt < ha->host->can_queue; cnt++) { | |
8010 | cmd = scsi_host_find_tag(ha->host, cnt); | |
ce545039 MC |
8011 | if (cmd && stgt == scsi_target(cmd->device) && |
8012 | (!sdev || sdev == cmd->device)) { | |
afaf5a2d DS |
8013 | if (!qla4xxx_eh_wait_on_command(ha, cmd)) { |
8014 | status++; | |
8015 | break; | |
8016 | } | |
8017 | } | |
8018 | } | |
8019 | return status; | |
8020 | } | |
8021 | ||
09a0f719 VC |
8022 | /** |
8023 | * qla4xxx_eh_abort - callback for abort task. | |
8024 | * @cmd: Pointer to Linux's SCSI command structure | |
8025 | * | |
8026 | * This routine is called by the Linux OS to abort the specified | |
8027 | * command. | |
8028 | **/ | |
8029 | static int qla4xxx_eh_abort(struct scsi_cmnd *cmd) | |
8030 | { | |
8031 | struct scsi_qla_host *ha = to_qla_host(cmd->device->host); | |
8032 | unsigned int id = cmd->device->id; | |
8033 | unsigned int lun = cmd->device->lun; | |
92b3e5bb | 8034 | unsigned long flags; |
09a0f719 VC |
8035 | struct srb *srb = NULL; |
8036 | int ret = SUCCESS; | |
8037 | int wait = 0; | |
8038 | ||
c2660df3 | 8039 | ql4_printk(KERN_INFO, ha, |
5cd049a5 CH |
8040 | "scsi%ld:%d:%d: Abort command issued cmd=%p\n", |
8041 | ha->host_no, id, lun, cmd); | |
09a0f719 | 8042 | |
92b3e5bb | 8043 | spin_lock_irqsave(&ha->hardware_lock, flags); |
09a0f719 | 8044 | srb = (struct srb *) CMD_SP(cmd); |
92b3e5bb MC |
8045 | if (!srb) { |
8046 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
09a0f719 | 8047 | return SUCCESS; |
92b3e5bb | 8048 | } |
09a0f719 | 8049 | kref_get(&srb->srb_ref); |
92b3e5bb | 8050 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
09a0f719 VC |
8051 | |
8052 | if (qla4xxx_abort_task(ha, srb) != QLA_SUCCESS) { | |
8053 | DEBUG3(printk("scsi%ld:%d:%d: Abort_task mbx failed.\n", | |
8054 | ha->host_no, id, lun)); | |
8055 | ret = FAILED; | |
8056 | } else { | |
8057 | DEBUG3(printk("scsi%ld:%d:%d: Abort_task mbx success.\n", | |
8058 | ha->host_no, id, lun)); | |
8059 | wait = 1; | |
8060 | } | |
8061 | ||
8062 | kref_put(&srb->srb_ref, qla4xxx_srb_compl); | |
8063 | ||
8064 | /* Wait for command to complete */ | |
8065 | if (wait) { | |
8066 | if (!qla4xxx_eh_wait_on_command(ha, cmd)) { | |
8067 | DEBUG2(printk("scsi%ld:%d:%d: Abort handler timed out\n", | |
8068 | ha->host_no, id, lun)); | |
8069 | ret = FAILED; | |
8070 | } | |
8071 | } | |
8072 | ||
c2660df3 | 8073 | ql4_printk(KERN_INFO, ha, |
09a0f719 | 8074 | "scsi%ld:%d:%d: Abort command - %s\n", |
25985edc | 8075 | ha->host_no, id, lun, (ret == SUCCESS) ? "succeeded" : "failed"); |
09a0f719 VC |
8076 | |
8077 | return ret; | |
8078 | } | |
8079 | ||
afaf5a2d DS |
8080 | /** |
8081 | * qla4xxx_eh_device_reset - callback for target reset. | |
8082 | * @cmd: Pointer to Linux's SCSI command structure | |
8083 | * | |
8084 | * This routine is called by the Linux OS to reset all luns on the | |
8085 | * specified target. | |
8086 | **/ | |
8087 | static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd) | |
8088 | { | |
8089 | struct scsi_qla_host *ha = to_qla_host(cmd->device->host); | |
8090 | struct ddb_entry *ddb_entry = cmd->device->hostdata; | |
afaf5a2d DS |
8091 | int ret = FAILED, stat; |
8092 | ||
612f7348 | 8093 | if (!ddb_entry) |
afaf5a2d DS |
8094 | return ret; |
8095 | ||
c01be6dc MC |
8096 | ret = iscsi_block_scsi_eh(cmd); |
8097 | if (ret) | |
8098 | return ret; | |
8099 | ret = FAILED; | |
8100 | ||
c2660df3 | 8101 | ql4_printk(KERN_INFO, ha, |
afaf5a2d DS |
8102 | "scsi%ld:%d:%d:%d: DEVICE RESET ISSUED.\n", ha->host_no, |
8103 | cmd->device->channel, cmd->device->id, cmd->device->lun); | |
8104 | ||
8105 | DEBUG2(printk(KERN_INFO | |
8106 | "scsi%ld: DEVICE_RESET cmd=%p jiffies = 0x%lx, to=%x," | |
8107 | "dpc_flags=%lx, status=%x allowed=%d\n", ha->host_no, | |
242f9dcb | 8108 | cmd, jiffies, cmd->request->timeout / HZ, |
afaf5a2d DS |
8109 | ha->dpc_flags, cmd->result, cmd->allowed)); |
8110 | ||
8111 | /* FIXME: wait for hba to go online */ | |
8112 | stat = qla4xxx_reset_lun(ha, ddb_entry, cmd->device->lun); | |
8113 | if (stat != QLA_SUCCESS) { | |
c2660df3 | 8114 | ql4_printk(KERN_INFO, ha, "DEVICE RESET FAILED. %d\n", stat); |
afaf5a2d DS |
8115 | goto eh_dev_reset_done; |
8116 | } | |
8117 | ||
ce545039 MC |
8118 | if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device), |
8119 | cmd->device)) { | |
c2660df3 | 8120 | ql4_printk(KERN_INFO, ha, |
ce545039 MC |
8121 | "DEVICE RESET FAILED - waiting for " |
8122 | "commands.\n"); | |
8123 | goto eh_dev_reset_done; | |
afaf5a2d DS |
8124 | } |
8125 | ||
9d562913 DS |
8126 | /* Send marker. */ |
8127 | if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun, | |
8128 | MM_LUN_RESET) != QLA_SUCCESS) | |
8129 | goto eh_dev_reset_done; | |
8130 | ||
c2660df3 | 8131 | ql4_printk(KERN_INFO, ha, |
afaf5a2d DS |
8132 | "scsi(%ld:%d:%d:%d): DEVICE RESET SUCCEEDED.\n", |
8133 | ha->host_no, cmd->device->channel, cmd->device->id, | |
8134 | cmd->device->lun); | |
8135 | ||
8136 | ret = SUCCESS; | |
8137 | ||
8138 | eh_dev_reset_done: | |
8139 | ||
8140 | return ret; | |
8141 | } | |
8142 | ||
ce545039 MC |
8143 | /** |
8144 | * qla4xxx_eh_target_reset - callback for target reset. | |
8145 | * @cmd: Pointer to Linux's SCSI command structure | |
8146 | * | |
8147 | * This routine is called by the Linux OS to reset the target. | |
8148 | **/ | |
8149 | static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd) | |
8150 | { | |
8151 | struct scsi_qla_host *ha = to_qla_host(cmd->device->host); | |
8152 | struct ddb_entry *ddb_entry = cmd->device->hostdata; | |
c01be6dc | 8153 | int stat, ret; |
ce545039 MC |
8154 | |
8155 | if (!ddb_entry) | |
8156 | return FAILED; | |
8157 | ||
c01be6dc MC |
8158 | ret = iscsi_block_scsi_eh(cmd); |
8159 | if (ret) | |
8160 | return ret; | |
8161 | ||
ce545039 MC |
8162 | starget_printk(KERN_INFO, scsi_target(cmd->device), |
8163 | "WARM TARGET RESET ISSUED.\n"); | |
8164 | ||
8165 | DEBUG2(printk(KERN_INFO | |
8166 | "scsi%ld: TARGET_DEVICE_RESET cmd=%p jiffies = 0x%lx, " | |
8167 | "to=%x,dpc_flags=%lx, status=%x allowed=%d\n", | |
242f9dcb | 8168 | ha->host_no, cmd, jiffies, cmd->request->timeout / HZ, |
ce545039 MC |
8169 | ha->dpc_flags, cmd->result, cmd->allowed)); |
8170 | ||
8171 | stat = qla4xxx_reset_target(ha, ddb_entry); | |
8172 | if (stat != QLA_SUCCESS) { | |
8173 | starget_printk(KERN_INFO, scsi_target(cmd->device), | |
8174 | "WARM TARGET RESET FAILED.\n"); | |
8175 | return FAILED; | |
8176 | } | |
8177 | ||
ce545039 MC |
8178 | if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device), |
8179 | NULL)) { | |
8180 | starget_printk(KERN_INFO, scsi_target(cmd->device), | |
8181 | "WARM TARGET DEVICE RESET FAILED - " | |
8182 | "waiting for commands.\n"); | |
8183 | return FAILED; | |
8184 | } | |
8185 | ||
9d562913 DS |
8186 | /* Send marker. */ |
8187 | if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun, | |
8188 | MM_TGT_WARM_RESET) != QLA_SUCCESS) { | |
8189 | starget_printk(KERN_INFO, scsi_target(cmd->device), | |
8190 | "WARM TARGET DEVICE RESET FAILED - " | |
8191 | "marker iocb failed.\n"); | |
8192 | return FAILED; | |
8193 | } | |
8194 | ||
ce545039 MC |
8195 | starget_printk(KERN_INFO, scsi_target(cmd->device), |
8196 | "WARM TARGET RESET SUCCEEDED.\n"); | |
8197 | return SUCCESS; | |
8198 | } | |
8199 | ||
8a288960 SR |
8200 | /** |
8201 | * qla4xxx_is_eh_active - check if error handler is running | |
8202 | * @shost: Pointer to SCSI Host struct | |
8203 | * | |
8204 | * This routine finds that if reset host is called in EH | |
8205 | * scenario or from some application like sg_reset | |
8206 | **/ | |
8207 | static int qla4xxx_is_eh_active(struct Scsi_Host *shost) | |
8208 | { | |
8209 | if (shost->shost_state == SHOST_RECOVERY) | |
8210 | return 1; | |
8211 | return 0; | |
8212 | } | |
8213 | ||
afaf5a2d DS |
8214 | /** |
8215 | * qla4xxx_eh_host_reset - kernel callback | |
8216 | * @cmd: Pointer to Linux's SCSI command structure | |
8217 | * | |
8218 | * This routine is invoked by the Linux kernel to perform fatal error | |
8219 | * recovery on the specified adapter. | |
8220 | **/ | |
8221 | static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd) | |
8222 | { | |
8223 | int return_status = FAILED; | |
8224 | struct scsi_qla_host *ha; | |
8225 | ||
b3a271a9 | 8226 | ha = to_qla_host(cmd->device->host); |
afaf5a2d | 8227 | |
b37ca418 | 8228 | if ((is_qla8032(ha) || is_qla8042(ha)) && ql4xdontresethba) |
6e7b4292 VC |
8229 | qla4_83xx_set_idc_dontreset(ha); |
8230 | ||
8231 | /* | |
b37ca418 VC |
8232 | * For ISP8324 and ISP8042, if IDC_CTRL DONTRESET_BIT0 is set by other |
8233 | * protocol drivers, we should not set device_state to NEED_RESET | |
6e7b4292 VC |
8234 | */ |
8235 | if (ql4xdontresethba || | |
b37ca418 VC |
8236 | ((is_qla8032(ha) || is_qla8042(ha)) && |
8237 | qla4_83xx_idc_dontreset(ha))) { | |
f4f5df23 VC |
8238 | DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n", |
8239 | ha->host_no, __func__)); | |
8a288960 SR |
8240 | |
8241 | /* Clear outstanding srb in queues */ | |
8242 | if (qla4xxx_is_eh_active(cmd->device->host)) | |
8243 | qla4xxx_abort_active_cmds(ha, DID_ABORT << 16); | |
8244 | ||
f4f5df23 VC |
8245 | return FAILED; |
8246 | } | |
8247 | ||
c2660df3 | 8248 | ql4_printk(KERN_INFO, ha, |
dca05c4c | 8249 | "scsi(%ld:%d:%d:%d): HOST RESET ISSUED.\n", ha->host_no, |
afaf5a2d DS |
8250 | cmd->device->channel, cmd->device->id, cmd->device->lun); |
8251 | ||
8252 | if (qla4xxx_wait_for_hba_online(ha) != QLA_SUCCESS) { | |
8253 | DEBUG2(printk("scsi%ld:%d: %s: Unable to reset host. Adapter " | |
8254 | "DEAD.\n", ha->host_no, cmd->device->channel, | |
8255 | __func__)); | |
8256 | ||
8257 | return FAILED; | |
8258 | } | |
8259 | ||
f4f5df23 | 8260 | if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) { |
6e7b4292 | 8261 | if (is_qla80XX(ha)) |
f4f5df23 VC |
8262 | set_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); |
8263 | else | |
8264 | set_bit(DPC_RESET_HA, &ha->dpc_flags); | |
8265 | } | |
50a29aec | 8266 | |
f4f5df23 | 8267 | if (qla4xxx_recover_adapter(ha) == QLA_SUCCESS) |
afaf5a2d | 8268 | return_status = SUCCESS; |
afaf5a2d | 8269 | |
c2660df3 | 8270 | ql4_printk(KERN_INFO, ha, "HOST RESET %s.\n", |
25985edc | 8271 | return_status == FAILED ? "FAILED" : "SUCCEEDED"); |
afaf5a2d DS |
8272 | |
8273 | return return_status; | |
8274 | } | |
8275 | ||
95d31262 VC |
8276 | static int qla4xxx_context_reset(struct scsi_qla_host *ha) |
8277 | { | |
8278 | uint32_t mbox_cmd[MBOX_REG_COUNT]; | |
8279 | uint32_t mbox_sts[MBOX_REG_COUNT]; | |
8280 | struct addr_ctrl_blk_def *acb = NULL; | |
8281 | uint32_t acb_len = sizeof(struct addr_ctrl_blk_def); | |
8282 | int rval = QLA_SUCCESS; | |
8283 | dma_addr_t acb_dma; | |
8284 | ||
8285 | acb = dma_alloc_coherent(&ha->pdev->dev, | |
8286 | sizeof(struct addr_ctrl_blk_def), | |
8287 | &acb_dma, GFP_KERNEL); | |
8288 | if (!acb) { | |
8289 | ql4_printk(KERN_ERR, ha, "%s: Unable to alloc acb\n", | |
8290 | __func__); | |
8291 | rval = -ENOMEM; | |
8292 | goto exit_port_reset; | |
8293 | } | |
8294 | ||
8295 | memset(acb, 0, acb_len); | |
8296 | ||
8297 | rval = qla4xxx_get_acb(ha, acb_dma, PRIMARI_ACB, acb_len); | |
8298 | if (rval != QLA_SUCCESS) { | |
8299 | rval = -EIO; | |
8300 | goto exit_free_acb; | |
8301 | } | |
8302 | ||
8303 | rval = qla4xxx_disable_acb(ha); | |
8304 | if (rval != QLA_SUCCESS) { | |
8305 | rval = -EIO; | |
8306 | goto exit_free_acb; | |
8307 | } | |
8308 | ||
8309 | wait_for_completion_timeout(&ha->disable_acb_comp, | |
8310 | DISABLE_ACB_TOV * HZ); | |
8311 | ||
8312 | rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], acb_dma); | |
8313 | if (rval != QLA_SUCCESS) { | |
8314 | rval = -EIO; | |
8315 | goto exit_free_acb; | |
8316 | } | |
8317 | ||
8318 | exit_free_acb: | |
8319 | dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk_def), | |
8320 | acb, acb_dma); | |
8321 | exit_port_reset: | |
8322 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s %s\n", __func__, | |
8323 | rval == QLA_SUCCESS ? "SUCCEEDED" : "FAILED")); | |
8324 | return rval; | |
8325 | } | |
8326 | ||
8327 | static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type) | |
8328 | { | |
8329 | struct scsi_qla_host *ha = to_qla_host(shost); | |
8330 | int rval = QLA_SUCCESS; | |
ebd777de | 8331 | uint32_t idc_ctrl; |
95d31262 VC |
8332 | |
8333 | if (ql4xdontresethba) { | |
8334 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Don't Reset HBA\n", | |
8335 | __func__)); | |
8336 | rval = -EPERM; | |
8337 | goto exit_host_reset; | |
8338 | } | |
8339 | ||
95d31262 VC |
8340 | if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) |
8341 | goto recover_adapter; | |
8342 | ||
8343 | switch (reset_type) { | |
8344 | case SCSI_ADAPTER_RESET: | |
8345 | set_bit(DPC_RESET_HA, &ha->dpc_flags); | |
8346 | break; | |
8347 | case SCSI_FIRMWARE_RESET: | |
8348 | if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) { | |
6e7b4292 | 8349 | if (is_qla80XX(ha)) |
95d31262 VC |
8350 | /* set firmware context reset */ |
8351 | set_bit(DPC_RESET_HA_FW_CONTEXT, | |
8352 | &ha->dpc_flags); | |
8353 | else { | |
8354 | rval = qla4xxx_context_reset(ha); | |
8355 | goto exit_host_reset; | |
8356 | } | |
8357 | } | |
8358 | break; | |
8359 | } | |
8360 | ||
8361 | recover_adapter: | |
b37ca418 | 8362 | /* For ISP8324 and ISP8042 set graceful reset bit in IDC_DRV_CTRL if |
ebd777de | 8363 | * reset is issued by application */ |
b37ca418 VC |
8364 | if ((is_qla8032(ha) || is_qla8042(ha)) && |
8365 | test_bit(DPC_RESET_HA, &ha->dpc_flags)) { | |
ebd777de VC |
8366 | idc_ctrl = qla4_83xx_rd_reg(ha, QLA83XX_IDC_DRV_CTRL); |
8367 | qla4_83xx_wr_reg(ha, QLA83XX_IDC_DRV_CTRL, | |
8368 | (idc_ctrl | GRACEFUL_RESET_BIT1)); | |
8369 | } | |
8370 | ||
95d31262 VC |
8371 | rval = qla4xxx_recover_adapter(ha); |
8372 | if (rval != QLA_SUCCESS) { | |
8373 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: recover adapter fail\n", | |
8374 | __func__)); | |
8375 | rval = -EIO; | |
8376 | } | |
8377 | ||
8378 | exit_host_reset: | |
8379 | return rval; | |
8380 | } | |
8381 | ||
2232be0d LC |
8382 | /* PCI AER driver recovers from all correctable errors w/o |
8383 | * driver intervention. For uncorrectable errors PCI AER | |
8384 | * driver calls the following device driver's callbacks | |
8385 | * | |
8386 | * - Fatal Errors - link_reset | |
8387 | * - Non-Fatal Errors - driver's pci_error_detected() which | |
8388 | * returns CAN_RECOVER, NEED_RESET or DISCONNECT. | |
8389 | * | |
8390 | * PCI AER driver calls | |
8391 | * CAN_RECOVER - driver's pci_mmio_enabled(), mmio_enabled | |
8392 | * returns RECOVERED or NEED_RESET if fw_hung | |
8393 | * NEED_RESET - driver's slot_reset() | |
8394 | * DISCONNECT - device is dead & cannot recover | |
8395 | * RECOVERED - driver's pci_resume() | |
8396 | */ | |
8397 | static pci_ers_result_t | |
8398 | qla4xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) | |
8399 | { | |
8400 | struct scsi_qla_host *ha = pci_get_drvdata(pdev); | |
8401 | ||
8402 | ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: error detected:state %x\n", | |
8403 | ha->host_no, __func__, state); | |
8404 | ||
8405 | if (!is_aer_supported(ha)) | |
8406 | return PCI_ERS_RESULT_NONE; | |
8407 | ||
8408 | switch (state) { | |
8409 | case pci_channel_io_normal: | |
8410 | clear_bit(AF_EEH_BUSY, &ha->flags); | |
8411 | return PCI_ERS_RESULT_CAN_RECOVER; | |
8412 | case pci_channel_io_frozen: | |
8413 | set_bit(AF_EEH_BUSY, &ha->flags); | |
8414 | qla4xxx_mailbox_premature_completion(ha); | |
8415 | qla4xxx_free_irqs(ha); | |
8416 | pci_disable_device(pdev); | |
7b3595df VC |
8417 | /* Return back all IOs */ |
8418 | qla4xxx_abort_active_cmds(ha, DID_RESET << 16); | |
2232be0d LC |
8419 | return PCI_ERS_RESULT_NEED_RESET; |
8420 | case pci_channel_io_perm_failure: | |
8421 | set_bit(AF_EEH_BUSY, &ha->flags); | |
8422 | set_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags); | |
8423 | qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); | |
8424 | return PCI_ERS_RESULT_DISCONNECT; | |
8425 | } | |
8426 | return PCI_ERS_RESULT_NEED_RESET; | |
8427 | } | |
8428 | ||
8429 | /** | |
8430 | * qla4xxx_pci_mmio_enabled() gets called if | |
8431 | * qla4xxx_pci_error_detected() returns PCI_ERS_RESULT_CAN_RECOVER | |
8432 | * and read/write to the device still works. | |
8433 | **/ | |
8434 | static pci_ers_result_t | |
8435 | qla4xxx_pci_mmio_enabled(struct pci_dev *pdev) | |
8436 | { | |
8437 | struct scsi_qla_host *ha = pci_get_drvdata(pdev); | |
8438 | ||
8439 | if (!is_aer_supported(ha)) | |
8440 | return PCI_ERS_RESULT_NONE; | |
8441 | ||
7b3595df | 8442 | return PCI_ERS_RESULT_RECOVERED; |
2232be0d LC |
8443 | } |
8444 | ||
7b3595df | 8445 | static uint32_t qla4_8xxx_error_recovery(struct scsi_qla_host *ha) |
2232be0d LC |
8446 | { |
8447 | uint32_t rval = QLA_ERROR; | |
8448 | int fn; | |
8449 | struct pci_dev *other_pdev = NULL; | |
8450 | ||
8451 | ql4_printk(KERN_WARNING, ha, "scsi%ld: In %s\n", ha->host_no, __func__); | |
8452 | ||
8453 | set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); | |
8454 | ||
8455 | if (test_bit(AF_ONLINE, &ha->flags)) { | |
8456 | clear_bit(AF_ONLINE, &ha->flags); | |
b3a271a9 MR |
8457 | clear_bit(AF_LINK_UP, &ha->flags); |
8458 | iscsi_host_for_each_session(ha->host, qla4xxx_fail_session); | |
2232be0d | 8459 | qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); |
2232be0d LC |
8460 | } |
8461 | ||
8462 | fn = PCI_FUNC(ha->pdev->devfn); | |
8463 | while (fn > 0) { | |
8464 | fn--; | |
8465 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Finding PCI device at " | |
8466 | "func %x\n", ha->host_no, __func__, fn); | |
8467 | /* Get the pci device given the domain, bus, | |
8468 | * slot/function number */ | |
8469 | other_pdev = | |
8470 | pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus), | |
8471 | ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn), | |
8472 | fn)); | |
8473 | ||
8474 | if (!other_pdev) | |
8475 | continue; | |
8476 | ||
8477 | if (atomic_read(&other_pdev->enable_cnt)) { | |
8478 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Found PCI " | |
8479 | "func in enabled state%x\n", ha->host_no, | |
8480 | __func__, fn); | |
8481 | pci_dev_put(other_pdev); | |
8482 | break; | |
8483 | } | |
8484 | pci_dev_put(other_pdev); | |
8485 | } | |
8486 | ||
8487 | /* The first function on the card, the reset owner will | |
8488 | * start & initialize the firmware. The other functions | |
8489 | * on the card will reset the firmware context | |
8490 | */ | |
8491 | if (!fn) { | |
8492 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn being reset " | |
8493 | "0x%x is the owner\n", ha->host_no, __func__, | |
8494 | ha->pdev->devfn); | |
8495 | ||
33693c7a VC |
8496 | ha->isp_ops->idc_lock(ha); |
8497 | qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, | |
8498 | QLA8XXX_DEV_COLD); | |
33693c7a | 8499 | ha->isp_ops->idc_unlock(ha); |
39c95826 VC |
8500 | |
8501 | rval = qla4_8xxx_update_idc_reg(ha); | |
8502 | if (rval == QLA_ERROR) { | |
8503 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: FAILED\n", | |
8504 | ha->host_no, __func__); | |
8505 | ha->isp_ops->idc_lock(ha); | |
8506 | qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, | |
8507 | QLA8XXX_DEV_FAILED); | |
8508 | ha->isp_ops->idc_unlock(ha); | |
8509 | goto exit_error_recovery; | |
8510 | } | |
2232be0d | 8511 | |
2232be0d | 8512 | clear_bit(AF_FW_RECOVERY, &ha->flags); |
13483730 | 8513 | rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); |
2232be0d LC |
8514 | |
8515 | if (rval != QLA_SUCCESS) { | |
8516 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: " | |
8517 | "FAILED\n", ha->host_no, __func__); | |
82761907 | 8518 | ha->isp_ops->idc_lock(ha); |
2232be0d | 8519 | qla4_8xxx_clear_drv_active(ha); |
33693c7a VC |
8520 | qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, |
8521 | QLA8XXX_DEV_FAILED); | |
82761907 | 8522 | ha->isp_ops->idc_unlock(ha); |
2232be0d LC |
8523 | } else { |
8524 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: " | |
8525 | "READY\n", ha->host_no, __func__); | |
82761907 | 8526 | ha->isp_ops->idc_lock(ha); |
33693c7a VC |
8527 | qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, |
8528 | QLA8XXX_DEV_READY); | |
2232be0d | 8529 | /* Clear driver state register */ |
33693c7a | 8530 | qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DRV_STATE, 0); |
2232be0d | 8531 | qla4_8xxx_set_drv_active(ha); |
82761907 | 8532 | ha->isp_ops->idc_unlock(ha); |
137257da | 8533 | ha->isp_ops->enable_intrs(ha); |
2232be0d | 8534 | } |
2232be0d LC |
8535 | } else { |
8536 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn 0x%x is not " | |
8537 | "the reset owner\n", ha->host_no, __func__, | |
8538 | ha->pdev->devfn); | |
33693c7a VC |
8539 | if ((qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE) == |
8540 | QLA8XXX_DEV_READY)) { | |
2232be0d | 8541 | clear_bit(AF_FW_RECOVERY, &ha->flags); |
13483730 | 8542 | rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); |
137257da PV |
8543 | if (rval == QLA_SUCCESS) |
8544 | ha->isp_ops->enable_intrs(ha); | |
8545 | ||
33693c7a | 8546 | ha->isp_ops->idc_lock(ha); |
2232be0d | 8547 | qla4_8xxx_set_drv_active(ha); |
33693c7a | 8548 | ha->isp_ops->idc_unlock(ha); |
2232be0d LC |
8549 | } |
8550 | } | |
39c95826 | 8551 | exit_error_recovery: |
2232be0d LC |
8552 | clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); |
8553 | return rval; | |
8554 | } | |
8555 | ||
8556 | static pci_ers_result_t | |
8557 | qla4xxx_pci_slot_reset(struct pci_dev *pdev) | |
8558 | { | |
8559 | pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT; | |
8560 | struct scsi_qla_host *ha = pci_get_drvdata(pdev); | |
8561 | int rc; | |
8562 | ||
8563 | ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: slot_reset\n", | |
8564 | ha->host_no, __func__); | |
8565 | ||
8566 | if (!is_aer_supported(ha)) | |
8567 | return PCI_ERS_RESULT_NONE; | |
8568 | ||
8569 | /* Restore the saved state of PCIe device - | |
8570 | * BAR registers, PCI Config space, PCIX, MSI, | |
8571 | * IOV states | |
8572 | */ | |
8573 | pci_restore_state(pdev); | |
8574 | ||
8575 | /* pci_restore_state() clears the saved_state flag of the device | |
8576 | * save restored state which resets saved_state flag | |
8577 | */ | |
8578 | pci_save_state(pdev); | |
8579 | ||
8580 | /* Initialize device or resume if in suspended state */ | |
8581 | rc = pci_enable_device(pdev); | |
8582 | if (rc) { | |
25985edc | 8583 | ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Can't re-enable " |
2232be0d LC |
8584 | "device after reset\n", ha->host_no, __func__); |
8585 | goto exit_slot_reset; | |
8586 | } | |
8587 | ||
7b3595df | 8588 | ha->isp_ops->disable_intrs(ha); |
2232be0d | 8589 | |
6e7b4292 | 8590 | if (is_qla80XX(ha)) { |
2232be0d LC |
8591 | if (qla4_8xxx_error_recovery(ha) == QLA_SUCCESS) { |
8592 | ret = PCI_ERS_RESULT_RECOVERED; | |
8593 | goto exit_slot_reset; | |
8594 | } else | |
8595 | goto exit_slot_reset; | |
8596 | } | |
8597 | ||
8598 | exit_slot_reset: | |
8599 | ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Return=%x\n" | |
8600 | "device after reset\n", ha->host_no, __func__, ret); | |
8601 | return ret; | |
8602 | } | |
8603 | ||
8604 | static void | |
8605 | qla4xxx_pci_resume(struct pci_dev *pdev) | |
8606 | { | |
8607 | struct scsi_qla_host *ha = pci_get_drvdata(pdev); | |
8608 | int ret; | |
8609 | ||
8610 | ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: pci_resume\n", | |
8611 | ha->host_no, __func__); | |
8612 | ||
8613 | ret = qla4xxx_wait_for_hba_online(ha); | |
8614 | if (ret != QLA_SUCCESS) { | |
8615 | ql4_printk(KERN_ERR, ha, "scsi%ld: %s: the device failed to " | |
8616 | "resume I/O from slot/link_reset\n", ha->host_no, | |
8617 | __func__); | |
8618 | } | |
8619 | ||
8620 | pci_cleanup_aer_uncorrect_error_status(pdev); | |
8621 | clear_bit(AF_EEH_BUSY, &ha->flags); | |
8622 | } | |
8623 | ||
a55b2d21 | 8624 | static const struct pci_error_handlers qla4xxx_err_handler = { |
2232be0d LC |
8625 | .error_detected = qla4xxx_pci_error_detected, |
8626 | .mmio_enabled = qla4xxx_pci_mmio_enabled, | |
8627 | .slot_reset = qla4xxx_pci_slot_reset, | |
8628 | .resume = qla4xxx_pci_resume, | |
8629 | }; | |
8630 | ||
afaf5a2d DS |
8631 | static struct pci_device_id qla4xxx_pci_tbl[] = { |
8632 | { | |
8633 | .vendor = PCI_VENDOR_ID_QLOGIC, | |
8634 | .device = PCI_DEVICE_ID_QLOGIC_ISP4010, | |
8635 | .subvendor = PCI_ANY_ID, | |
8636 | .subdevice = PCI_ANY_ID, | |
8637 | }, | |
8638 | { | |
8639 | .vendor = PCI_VENDOR_ID_QLOGIC, | |
8640 | .device = PCI_DEVICE_ID_QLOGIC_ISP4022, | |
8641 | .subvendor = PCI_ANY_ID, | |
8642 | .subdevice = PCI_ANY_ID, | |
8643 | }, | |
d915058f DS |
8644 | { |
8645 | .vendor = PCI_VENDOR_ID_QLOGIC, | |
8646 | .device = PCI_DEVICE_ID_QLOGIC_ISP4032, | |
8647 | .subvendor = PCI_ANY_ID, | |
8648 | .subdevice = PCI_ANY_ID, | |
8649 | }, | |
f4f5df23 VC |
8650 | { |
8651 | .vendor = PCI_VENDOR_ID_QLOGIC, | |
8652 | .device = PCI_DEVICE_ID_QLOGIC_ISP8022, | |
8653 | .subvendor = PCI_ANY_ID, | |
8654 | .subdevice = PCI_ANY_ID, | |
8655 | }, | |
6e7b4292 VC |
8656 | { |
8657 | .vendor = PCI_VENDOR_ID_QLOGIC, | |
8658 | .device = PCI_DEVICE_ID_QLOGIC_ISP8324, | |
8659 | .subvendor = PCI_ANY_ID, | |
8660 | .subdevice = PCI_ANY_ID, | |
8661 | }, | |
b37ca418 VC |
8662 | { |
8663 | .vendor = PCI_VENDOR_ID_QLOGIC, | |
8664 | .device = PCI_DEVICE_ID_QLOGIC_ISP8042, | |
8665 | .subvendor = PCI_ANY_ID, | |
8666 | .subdevice = PCI_ANY_ID, | |
8667 | }, | |
afaf5a2d DS |
8668 | {0, 0}, |
8669 | }; | |
8670 | MODULE_DEVICE_TABLE(pci, qla4xxx_pci_tbl); | |
8671 | ||
47975477 | 8672 | static struct pci_driver qla4xxx_pci_driver = { |
afaf5a2d DS |
8673 | .name = DRIVER_NAME, |
8674 | .id_table = qla4xxx_pci_tbl, | |
8675 | .probe = qla4xxx_probe_adapter, | |
8676 | .remove = qla4xxx_remove_adapter, | |
2232be0d | 8677 | .err_handler = &qla4xxx_err_handler, |
afaf5a2d DS |
8678 | }; |
8679 | ||
8680 | static int __init qla4xxx_module_init(void) | |
8681 | { | |
8682 | int ret; | |
8683 | ||
8684 | /* Allocate cache for SRBs. */ | |
8685 | srb_cachep = kmem_cache_create("qla4xxx_srbs", sizeof(struct srb), 0, | |
20c2df83 | 8686 | SLAB_HWCACHE_ALIGN, NULL); |
afaf5a2d DS |
8687 | if (srb_cachep == NULL) { |
8688 | printk(KERN_ERR | |
8689 | "%s: Unable to allocate SRB cache..." | |
8690 | "Failing load!\n", DRIVER_NAME); | |
8691 | ret = -ENOMEM; | |
8692 | goto no_srp_cache; | |
8693 | } | |
8694 | ||
8695 | /* Derive version string. */ | |
8696 | strcpy(qla4xxx_version_str, QLA4XXX_DRIVER_VERSION); | |
11010fec | 8697 | if (ql4xextended_error_logging) |
afaf5a2d DS |
8698 | strcat(qla4xxx_version_str, "-debug"); |
8699 | ||
8700 | qla4xxx_scsi_transport = | |
8701 | iscsi_register_transport(&qla4xxx_iscsi_transport); | |
8702 | if (!qla4xxx_scsi_transport){ | |
8703 | ret = -ENODEV; | |
8704 | goto release_srb_cache; | |
8705 | } | |
8706 | ||
afaf5a2d DS |
8707 | ret = pci_register_driver(&qla4xxx_pci_driver); |
8708 | if (ret) | |
8709 | goto unregister_transport; | |
8710 | ||
8711 | printk(KERN_INFO "QLogic iSCSI HBA Driver\n"); | |
8712 | return 0; | |
5ae16db3 | 8713 | |
afaf5a2d DS |
8714 | unregister_transport: |
8715 | iscsi_unregister_transport(&qla4xxx_iscsi_transport); | |
8716 | release_srb_cache: | |
8717 | kmem_cache_destroy(srb_cachep); | |
8718 | no_srp_cache: | |
8719 | return ret; | |
8720 | } | |
8721 | ||
8722 | static void __exit qla4xxx_module_exit(void) | |
8723 | { | |
8724 | pci_unregister_driver(&qla4xxx_pci_driver); | |
8725 | iscsi_unregister_transport(&qla4xxx_iscsi_transport); | |
8726 | kmem_cache_destroy(srb_cachep); | |
8727 | } | |
8728 | ||
8729 | module_init(qla4xxx_module_init); | |
8730 | module_exit(qla4xxx_module_exit); | |
8731 | ||
8732 | MODULE_AUTHOR("QLogic Corporation"); | |
8733 | MODULE_DESCRIPTION("QLogic iSCSI HBA Driver"); | |
8734 | MODULE_LICENSE("GPL"); | |
8735 | MODULE_VERSION(QLA4XXX_DRIVER_VERSION); |