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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 | |
a511b4af | 86 | int ql4xmdcapmask = 0; |
068237c8 TP |
87 | module_param(ql4xmdcapmask, int, S_IRUGO); |
88 | MODULE_PARM_DESC(ql4xmdcapmask, | |
89 | " Set the Minidump driver capture mask level.\n" | |
a511b4af | 90 | "\t\t Default is 0 (firmware default capture mask)\n" |
b410982c | 91 | "\t\t Can be set to 0x3, 0x7, 0xF, 0x1F, 0x3F, 0x7F, 0xFF"); |
068237c8 TP |
92 | |
93 | int ql4xenablemd = 1; | |
94 | module_param(ql4xenablemd, int, S_IRUGO | S_IWUSR); | |
95 | MODULE_PARM_DESC(ql4xenablemd, | |
96 | " Set to enable minidump.\n" | |
97 | "\t\t 0 - disable minidump\n" | |
98 | "\t\t 1 - enable minidump (Default)"); | |
99 | ||
b3a271a9 | 100 | static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha); |
afaf5a2d DS |
101 | /* |
102 | * SCSI host template entry points | |
103 | */ | |
47975477 | 104 | static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha); |
afaf5a2d DS |
105 | |
106 | /* | |
107 | * iSCSI template entry points | |
108 | */ | |
fca9f04d MC |
109 | static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess, |
110 | enum iscsi_param param, char *buf); | |
afaf5a2d DS |
111 | static int qla4xxx_conn_get_param(struct iscsi_cls_conn *conn, |
112 | enum iscsi_param param, char *buf); | |
aa1e93a2 MC |
113 | static int qla4xxx_host_get_param(struct Scsi_Host *shost, |
114 | enum iscsi_host_param param, char *buf); | |
00c31889 MC |
115 | static int qla4xxx_iface_set_param(struct Scsi_Host *shost, void *data, |
116 | uint32_t len); | |
ed1086e0 VC |
117 | static int qla4xxx_get_iface_param(struct iscsi_iface *iface, |
118 | enum iscsi_param_type param_type, | |
119 | int param, char *buf); | |
5c656af7 | 120 | static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc); |
b3a271a9 MR |
121 | static struct iscsi_endpoint *qla4xxx_ep_connect(struct Scsi_Host *shost, |
122 | struct sockaddr *dst_addr, | |
123 | int non_blocking); | |
124 | static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms); | |
125 | static void qla4xxx_ep_disconnect(struct iscsi_endpoint *ep); | |
126 | static int qla4xxx_get_ep_param(struct iscsi_endpoint *ep, | |
127 | enum iscsi_param param, char *buf); | |
128 | static int qla4xxx_conn_start(struct iscsi_cls_conn *conn); | |
129 | static struct iscsi_cls_conn * | |
130 | qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx); | |
131 | static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session, | |
132 | struct iscsi_cls_conn *cls_conn, | |
133 | uint64_t transport_fd, int is_leading); | |
134 | static void qla4xxx_conn_destroy(struct iscsi_cls_conn *conn); | |
135 | static struct iscsi_cls_session * | |
136 | qla4xxx_session_create(struct iscsi_endpoint *ep, uint16_t cmds_max, | |
137 | uint16_t qdepth, uint32_t initial_cmdsn); | |
138 | static void qla4xxx_session_destroy(struct iscsi_cls_session *sess); | |
139 | static void qla4xxx_task_work(struct work_struct *wdata); | |
140 | static int qla4xxx_alloc_pdu(struct iscsi_task *, uint8_t); | |
141 | static int qla4xxx_task_xmit(struct iscsi_task *); | |
142 | static void qla4xxx_task_cleanup(struct iscsi_task *); | |
143 | static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session); | |
144 | static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn, | |
145 | struct iscsi_stats *stats); | |
c0b9d3f7 VC |
146 | static int qla4xxx_send_ping(struct Scsi_Host *shost, uint32_t iface_num, |
147 | uint32_t iface_type, uint32_t payload_size, | |
148 | uint32_t pid, struct sockaddr *dst_addr); | |
376738af NJ |
149 | static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx, |
150 | uint32_t *num_entries, char *buf); | |
151 | static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx); | |
26ffd7b4 AC |
152 | static int qla4xxx_set_chap_entry(struct Scsi_Host *shost, void *data, |
153 | int len); | |
4161cee5 | 154 | static int qla4xxx_get_host_stats(struct Scsi_Host *shost, char *buf, int len); |
c0b9d3f7 | 155 | |
afaf5a2d DS |
156 | /* |
157 | * SCSI host template entry points | |
158 | */ | |
f281233d | 159 | static int qla4xxx_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd); |
09a0f719 | 160 | static int qla4xxx_eh_abort(struct scsi_cmnd *cmd); |
afaf5a2d | 161 | static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd); |
ce545039 | 162 | static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd); |
afaf5a2d DS |
163 | static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd); |
164 | static int qla4xxx_slave_alloc(struct scsi_device *device); | |
5e9bcec7 | 165 | static umode_t qla4_attr_is_visible(int param_type, int param); |
95d31262 | 166 | static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type); |
afaf5a2d | 167 | |
1e9e2be3 AC |
168 | /* |
169 | * iSCSI Flash DDB sysfs entry points | |
170 | */ | |
171 | static int | |
172 | qla4xxx_sysfs_ddb_set_param(struct iscsi_bus_flash_session *fnode_sess, | |
173 | struct iscsi_bus_flash_conn *fnode_conn, | |
174 | void *data, int len); | |
175 | static int | |
176 | qla4xxx_sysfs_ddb_get_param(struct iscsi_bus_flash_session *fnode_sess, | |
177 | int param, char *buf); | |
178 | static int qla4xxx_sysfs_ddb_add(struct Scsi_Host *shost, const char *buf, | |
179 | int len); | |
180 | static int | |
181 | qla4xxx_sysfs_ddb_delete(struct iscsi_bus_flash_session *fnode_sess); | |
182 | static int qla4xxx_sysfs_ddb_login(struct iscsi_bus_flash_session *fnode_sess, | |
183 | struct iscsi_bus_flash_conn *fnode_conn); | |
184 | static int qla4xxx_sysfs_ddb_logout(struct iscsi_bus_flash_session *fnode_sess, | |
185 | struct iscsi_bus_flash_conn *fnode_conn); | |
186 | static int qla4xxx_sysfs_ddb_logout_sid(struct iscsi_cls_session *cls_sess); | |
187 | ||
f4f5df23 VC |
188 | static struct qla4_8xxx_legacy_intr_set legacy_intr[] = |
189 | QLA82XX_LEGACY_INTR_CONFIG; | |
190 | ||
afaf5a2d DS |
191 | static struct scsi_host_template qla4xxx_driver_template = { |
192 | .module = THIS_MODULE, | |
193 | .name = DRIVER_NAME, | |
194 | .proc_name = DRIVER_NAME, | |
195 | .queuecommand = qla4xxx_queuecommand, | |
196 | ||
09a0f719 | 197 | .eh_abort_handler = qla4xxx_eh_abort, |
afaf5a2d | 198 | .eh_device_reset_handler = qla4xxx_eh_device_reset, |
ce545039 | 199 | .eh_target_reset_handler = qla4xxx_eh_target_reset, |
afaf5a2d | 200 | .eh_host_reset_handler = qla4xxx_eh_host_reset, |
5c656af7 | 201 | .eh_timed_out = qla4xxx_eh_cmd_timed_out, |
afaf5a2d | 202 | |
afaf5a2d | 203 | .slave_alloc = qla4xxx_slave_alloc, |
db5ed4df | 204 | .change_queue_depth = scsi_change_queue_depth, |
afaf5a2d DS |
205 | |
206 | .this_id = -1, | |
207 | .cmd_per_lun = 3, | |
afaf5a2d DS |
208 | .sg_tablesize = SG_ALL, |
209 | ||
210 | .max_sectors = 0xFFFF, | |
7ad633c0 | 211 | .shost_attrs = qla4xxx_host_attrs, |
95d31262 | 212 | .host_reset = qla4xxx_host_reset, |
a355943c | 213 | .vendor_id = SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC, |
afaf5a2d DS |
214 | }; |
215 | ||
216 | static struct iscsi_transport qla4xxx_iscsi_transport = { | |
217 | .owner = THIS_MODULE, | |
218 | .name = DRIVER_NAME, | |
b3a271a9 MR |
219 | .caps = CAP_TEXT_NEGO | |
220 | CAP_DATA_PATH_OFFLOAD | CAP_HDRDGST | | |
221 | CAP_DATADGST | CAP_LOGIN_OFFLOAD | | |
222 | CAP_MULTI_R2T, | |
5e9bcec7 | 223 | .attr_is_visible = qla4_attr_is_visible, |
b3a271a9 MR |
224 | .create_session = qla4xxx_session_create, |
225 | .destroy_session = qla4xxx_session_destroy, | |
226 | .start_conn = qla4xxx_conn_start, | |
227 | .create_conn = qla4xxx_conn_create, | |
228 | .bind_conn = qla4xxx_conn_bind, | |
229 | .stop_conn = iscsi_conn_stop, | |
230 | .destroy_conn = qla4xxx_conn_destroy, | |
231 | .set_param = iscsi_set_param, | |
afaf5a2d | 232 | .get_conn_param = qla4xxx_conn_get_param, |
fca9f04d | 233 | .get_session_param = qla4xxx_session_get_param, |
b3a271a9 MR |
234 | .get_ep_param = qla4xxx_get_ep_param, |
235 | .ep_connect = qla4xxx_ep_connect, | |
236 | .ep_poll = qla4xxx_ep_poll, | |
237 | .ep_disconnect = qla4xxx_ep_disconnect, | |
238 | .get_stats = qla4xxx_conn_get_stats, | |
239 | .send_pdu = iscsi_conn_send_pdu, | |
240 | .xmit_task = qla4xxx_task_xmit, | |
241 | .cleanup_task = qla4xxx_task_cleanup, | |
242 | .alloc_pdu = qla4xxx_alloc_pdu, | |
243 | ||
aa1e93a2 | 244 | .get_host_param = qla4xxx_host_get_param, |
d00efe3f | 245 | .set_iface_param = qla4xxx_iface_set_param, |
ed1086e0 | 246 | .get_iface_param = qla4xxx_get_iface_param, |
a355943c | 247 | .bsg_request = qla4xxx_bsg_request, |
c0b9d3f7 | 248 | .send_ping = qla4xxx_send_ping, |
376738af NJ |
249 | .get_chap = qla4xxx_get_chap_list, |
250 | .delete_chap = qla4xxx_delete_chap, | |
26ffd7b4 | 251 | .set_chap = qla4xxx_set_chap_entry, |
1e9e2be3 AC |
252 | .get_flashnode_param = qla4xxx_sysfs_ddb_get_param, |
253 | .set_flashnode_param = qla4xxx_sysfs_ddb_set_param, | |
254 | .new_flashnode = qla4xxx_sysfs_ddb_add, | |
255 | .del_flashnode = qla4xxx_sysfs_ddb_delete, | |
256 | .login_flashnode = qla4xxx_sysfs_ddb_login, | |
257 | .logout_flashnode = qla4xxx_sysfs_ddb_logout, | |
258 | .logout_flashnode_sid = qla4xxx_sysfs_ddb_logout_sid, | |
4161cee5 | 259 | .get_host_stats = qla4xxx_get_host_stats, |
afaf5a2d DS |
260 | }; |
261 | ||
262 | static struct scsi_transport_template *qla4xxx_scsi_transport; | |
263 | ||
1bc5ad3a MR |
264 | static int qla4xxx_isp_check_reg(struct scsi_qla_host *ha) |
265 | { | |
266 | u32 reg_val = 0; | |
267 | int rval = QLA_SUCCESS; | |
268 | ||
269 | if (is_qla8022(ha)) | |
270 | reg_val = readl(&ha->qla4_82xx_reg->host_status); | |
271 | else if (is_qla8032(ha) || is_qla8042(ha)) | |
272 | reg_val = qla4_8xxx_rd_direct(ha, QLA8XXX_PEG_ALIVE_COUNTER); | |
273 | else | |
274 | reg_val = readw(&ha->reg->ctrl_status); | |
275 | ||
276 | if (reg_val == QL4_ISP_REG_DISCONNECT) | |
277 | rval = QLA_ERROR; | |
278 | ||
279 | return rval; | |
280 | } | |
281 | ||
c0b9d3f7 VC |
282 | static int qla4xxx_send_ping(struct Scsi_Host *shost, uint32_t iface_num, |
283 | uint32_t iface_type, uint32_t payload_size, | |
284 | uint32_t pid, struct sockaddr *dst_addr) | |
285 | { | |
286 | struct scsi_qla_host *ha = to_qla_host(shost); | |
287 | struct sockaddr_in *addr; | |
288 | struct sockaddr_in6 *addr6; | |
289 | uint32_t options = 0; | |
290 | uint8_t ipaddr[IPv6_ADDR_LEN]; | |
291 | int rval; | |
292 | ||
293 | memset(ipaddr, 0, IPv6_ADDR_LEN); | |
294 | /* IPv4 to IPv4 */ | |
295 | if ((iface_type == ISCSI_IFACE_TYPE_IPV4) && | |
296 | (dst_addr->sa_family == AF_INET)) { | |
297 | addr = (struct sockaddr_in *)dst_addr; | |
298 | memcpy(ipaddr, &addr->sin_addr.s_addr, IP_ADDR_LEN); | |
299 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv4 Ping src: %pI4 " | |
300 | "dest: %pI4\n", __func__, | |
301 | &ha->ip_config.ip_address, ipaddr)); | |
302 | rval = qla4xxx_ping_iocb(ha, options, payload_size, pid, | |
303 | ipaddr); | |
304 | if (rval) | |
305 | rval = -EINVAL; | |
306 | } else if ((iface_type == ISCSI_IFACE_TYPE_IPV6) && | |
307 | (dst_addr->sa_family == AF_INET6)) { | |
308 | /* IPv6 to IPv6 */ | |
309 | addr6 = (struct sockaddr_in6 *)dst_addr; | |
310 | memcpy(ipaddr, &addr6->sin6_addr.in6_u.u6_addr8, IPv6_ADDR_LEN); | |
311 | ||
312 | options |= PING_IPV6_PROTOCOL_ENABLE; | |
313 | ||
314 | /* Ping using LinkLocal address */ | |
315 | if ((iface_num == 0) || (iface_num == 1)) { | |
316 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: LinkLocal Ping " | |
317 | "src: %pI6 dest: %pI6\n", __func__, | |
318 | &ha->ip_config.ipv6_link_local_addr, | |
319 | ipaddr)); | |
320 | options |= PING_IPV6_LINKLOCAL_ADDR; | |
321 | rval = qla4xxx_ping_iocb(ha, options, payload_size, | |
322 | pid, ipaddr); | |
323 | } else { | |
324 | ql4_printk(KERN_WARNING, ha, "%s: iface num = %d " | |
325 | "not supported\n", __func__, iface_num); | |
326 | rval = -ENOSYS; | |
327 | goto exit_send_ping; | |
328 | } | |
329 | ||
330 | /* | |
331 | * If ping using LinkLocal address fails, try ping using | |
332 | * IPv6 address | |
333 | */ | |
334 | if (rval != QLA_SUCCESS) { | |
335 | options &= ~PING_IPV6_LINKLOCAL_ADDR; | |
336 | if (iface_num == 0) { | |
337 | options |= PING_IPV6_ADDR0; | |
338 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 " | |
339 | "Ping src: %pI6 " | |
340 | "dest: %pI6\n", __func__, | |
341 | &ha->ip_config.ipv6_addr0, | |
342 | ipaddr)); | |
343 | } else if (iface_num == 1) { | |
344 | options |= PING_IPV6_ADDR1; | |
345 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 " | |
346 | "Ping src: %pI6 " | |
347 | "dest: %pI6\n", __func__, | |
348 | &ha->ip_config.ipv6_addr1, | |
349 | ipaddr)); | |
350 | } | |
351 | rval = qla4xxx_ping_iocb(ha, options, payload_size, | |
352 | pid, ipaddr); | |
353 | if (rval) | |
354 | rval = -EINVAL; | |
355 | } | |
356 | } else | |
357 | rval = -ENOSYS; | |
358 | exit_send_ping: | |
359 | return rval; | |
360 | } | |
361 | ||
5e9bcec7 | 362 | static umode_t qla4_attr_is_visible(int param_type, int param) |
3128c6c7 MC |
363 | { |
364 | switch (param_type) { | |
f27fb2ef MC |
365 | case ISCSI_HOST_PARAM: |
366 | switch (param) { | |
367 | case ISCSI_HOST_PARAM_HWADDRESS: | |
368 | case ISCSI_HOST_PARAM_IPADDRESS: | |
369 | case ISCSI_HOST_PARAM_INITIATOR_NAME: | |
3254dbe9 VC |
370 | case ISCSI_HOST_PARAM_PORT_STATE: |
371 | case ISCSI_HOST_PARAM_PORT_SPEED: | |
f27fb2ef MC |
372 | return S_IRUGO; |
373 | default: | |
374 | return 0; | |
375 | } | |
3128c6c7 MC |
376 | case ISCSI_PARAM: |
377 | switch (param) { | |
590134fa MC |
378 | case ISCSI_PARAM_PERSISTENT_ADDRESS: |
379 | case ISCSI_PARAM_PERSISTENT_PORT: | |
3128c6c7 MC |
380 | case ISCSI_PARAM_CONN_ADDRESS: |
381 | case ISCSI_PARAM_CONN_PORT: | |
1d063c17 MC |
382 | case ISCSI_PARAM_TARGET_NAME: |
383 | case ISCSI_PARAM_TPGT: | |
384 | case ISCSI_PARAM_TARGET_ALIAS: | |
b3a271a9 MR |
385 | case ISCSI_PARAM_MAX_BURST: |
386 | case ISCSI_PARAM_MAX_R2T: | |
387 | case ISCSI_PARAM_FIRST_BURST: | |
388 | case ISCSI_PARAM_MAX_RECV_DLENGTH: | |
389 | case ISCSI_PARAM_MAX_XMIT_DLENGTH: | |
de37920b | 390 | case ISCSI_PARAM_IFACE_NAME: |
fca9f04d MC |
391 | case ISCSI_PARAM_CHAP_OUT_IDX: |
392 | case ISCSI_PARAM_CHAP_IN_IDX: | |
393 | case ISCSI_PARAM_USERNAME: | |
394 | case ISCSI_PARAM_PASSWORD: | |
395 | case ISCSI_PARAM_USERNAME_IN: | |
396 | case ISCSI_PARAM_PASSWORD_IN: | |
8cc91d42 AC |
397 | case ISCSI_PARAM_AUTO_SND_TGT_DISABLE: |
398 | case ISCSI_PARAM_DISCOVERY_SESS: | |
399 | case ISCSI_PARAM_PORTAL_TYPE: | |
400 | case ISCSI_PARAM_CHAP_AUTH_EN: | |
401 | case ISCSI_PARAM_DISCOVERY_LOGOUT_EN: | |
402 | case ISCSI_PARAM_BIDI_CHAP_EN: | |
403 | case ISCSI_PARAM_DISCOVERY_AUTH_OPTIONAL: | |
404 | case ISCSI_PARAM_DEF_TIME2WAIT: | |
405 | case ISCSI_PARAM_DEF_TIME2RETAIN: | |
406 | case ISCSI_PARAM_HDRDGST_EN: | |
407 | case ISCSI_PARAM_DATADGST_EN: | |
408 | case ISCSI_PARAM_INITIAL_R2T_EN: | |
409 | case ISCSI_PARAM_IMM_DATA_EN: | |
410 | case ISCSI_PARAM_PDU_INORDER_EN: | |
411 | case ISCSI_PARAM_DATASEQ_INORDER_EN: | |
412 | case ISCSI_PARAM_MAX_SEGMENT_SIZE: | |
413 | case ISCSI_PARAM_TCP_TIMESTAMP_STAT: | |
414 | case ISCSI_PARAM_TCP_WSF_DISABLE: | |
415 | case ISCSI_PARAM_TCP_NAGLE_DISABLE: | |
416 | case ISCSI_PARAM_TCP_TIMER_SCALE: | |
417 | case ISCSI_PARAM_TCP_TIMESTAMP_EN: | |
418 | case ISCSI_PARAM_TCP_XMIT_WSF: | |
419 | case ISCSI_PARAM_TCP_RECV_WSF: | |
420 | case ISCSI_PARAM_IP_FRAGMENT_DISABLE: | |
421 | case ISCSI_PARAM_IPV4_TOS: | |
422 | case ISCSI_PARAM_IPV6_TC: | |
423 | case ISCSI_PARAM_IPV6_FLOW_LABEL: | |
424 | case ISCSI_PARAM_IS_FW_ASSIGNED_IPV6: | |
425 | case ISCSI_PARAM_KEEPALIVE_TMO: | |
426 | case ISCSI_PARAM_LOCAL_PORT: | |
427 | case ISCSI_PARAM_ISID: | |
428 | case ISCSI_PARAM_TSID: | |
429 | case ISCSI_PARAM_DEF_TASKMGMT_TMO: | |
430 | case ISCSI_PARAM_ERL: | |
431 | case ISCSI_PARAM_STATSN: | |
432 | case ISCSI_PARAM_EXP_STATSN: | |
433 | case ISCSI_PARAM_DISCOVERY_PARENT_IDX: | |
434 | case ISCSI_PARAM_DISCOVERY_PARENT_TYPE: | |
fb734ee3 | 435 | case ISCSI_PARAM_LOCAL_IPADDR: |
3128c6c7 MC |
436 | return S_IRUGO; |
437 | default: | |
438 | return 0; | |
439 | } | |
b78dbba0 MC |
440 | case ISCSI_NET_PARAM: |
441 | switch (param) { | |
442 | case ISCSI_NET_PARAM_IPV4_ADDR: | |
443 | case ISCSI_NET_PARAM_IPV4_SUBNET: | |
444 | case ISCSI_NET_PARAM_IPV4_GW: | |
445 | case ISCSI_NET_PARAM_IPV4_BOOTPROTO: | |
446 | case ISCSI_NET_PARAM_IFACE_ENABLE: | |
447 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL: | |
448 | case ISCSI_NET_PARAM_IPV6_ADDR: | |
449 | case ISCSI_NET_PARAM_IPV6_ROUTER: | |
450 | case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: | |
451 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: | |
6ac73e8c VC |
452 | case ISCSI_NET_PARAM_VLAN_ID: |
453 | case ISCSI_NET_PARAM_VLAN_PRIORITY: | |
454 | case ISCSI_NET_PARAM_VLAN_ENABLED: | |
943c157b | 455 | case ISCSI_NET_PARAM_MTU: |
2ada7fc5 | 456 | case ISCSI_NET_PARAM_PORT: |
f8e93412 HZ |
457 | case ISCSI_NET_PARAM_IPADDR_STATE: |
458 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL_STATE: | |
459 | case ISCSI_NET_PARAM_IPV6_ROUTER_STATE: | |
460 | case ISCSI_NET_PARAM_DELAYED_ACK_EN: | |
461 | case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE: | |
462 | case ISCSI_NET_PARAM_TCP_WSF_DISABLE: | |
463 | case ISCSI_NET_PARAM_TCP_WSF: | |
464 | case ISCSI_NET_PARAM_TCP_TIMER_SCALE: | |
465 | case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN: | |
466 | case ISCSI_NET_PARAM_CACHE_ID: | |
467 | case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN: | |
468 | case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN: | |
469 | case ISCSI_NET_PARAM_IPV4_TOS_EN: | |
470 | case ISCSI_NET_PARAM_IPV4_TOS: | |
471 | case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN: | |
472 | case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN: | |
473 | case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID: | |
474 | case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN: | |
475 | case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN: | |
476 | case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID: | |
477 | case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN: | |
478 | case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE: | |
479 | case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN: | |
480 | case ISCSI_NET_PARAM_REDIRECT_EN: | |
481 | case ISCSI_NET_PARAM_IPV4_TTL: | |
482 | case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN: | |
483 | case ISCSI_NET_PARAM_IPV6_MLD_EN: | |
484 | case ISCSI_NET_PARAM_IPV6_FLOW_LABEL: | |
485 | case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS: | |
486 | case ISCSI_NET_PARAM_IPV6_HOP_LIMIT: | |
487 | case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO: | |
488 | case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME: | |
489 | case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO: | |
490 | case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT: | |
491 | case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU: | |
492 | return S_IRUGO; | |
493 | default: | |
494 | return 0; | |
495 | } | |
496 | case ISCSI_IFACE_PARAM: | |
497 | switch (param) { | |
498 | case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO: | |
499 | case ISCSI_IFACE_PARAM_HDRDGST_EN: | |
500 | case ISCSI_IFACE_PARAM_DATADGST_EN: | |
501 | case ISCSI_IFACE_PARAM_IMM_DATA_EN: | |
502 | case ISCSI_IFACE_PARAM_INITIAL_R2T_EN: | |
503 | case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN: | |
504 | case ISCSI_IFACE_PARAM_PDU_INORDER_EN: | |
505 | case ISCSI_IFACE_PARAM_ERL: | |
506 | case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH: | |
507 | case ISCSI_IFACE_PARAM_FIRST_BURST: | |
508 | case ISCSI_IFACE_PARAM_MAX_R2T: | |
509 | case ISCSI_IFACE_PARAM_MAX_BURST: | |
510 | case ISCSI_IFACE_PARAM_CHAP_AUTH_EN: | |
511 | case ISCSI_IFACE_PARAM_BIDI_CHAP_EN: | |
512 | case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL: | |
513 | case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN: | |
514 | case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN: | |
515 | case ISCSI_IFACE_PARAM_INITIATOR_NAME: | |
b78dbba0 MC |
516 | return S_IRUGO; |
517 | default: | |
518 | return 0; | |
519 | } | |
1e9e2be3 AC |
520 | case ISCSI_FLASHNODE_PARAM: |
521 | switch (param) { | |
522 | case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6: | |
523 | case ISCSI_FLASHNODE_PORTAL_TYPE: | |
524 | case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE: | |
525 | case ISCSI_FLASHNODE_DISCOVERY_SESS: | |
526 | case ISCSI_FLASHNODE_ENTRY_EN: | |
527 | case ISCSI_FLASHNODE_HDR_DGST_EN: | |
528 | case ISCSI_FLASHNODE_DATA_DGST_EN: | |
529 | case ISCSI_FLASHNODE_IMM_DATA_EN: | |
530 | case ISCSI_FLASHNODE_INITIAL_R2T_EN: | |
531 | case ISCSI_FLASHNODE_DATASEQ_INORDER: | |
532 | case ISCSI_FLASHNODE_PDU_INORDER: | |
533 | case ISCSI_FLASHNODE_CHAP_AUTH_EN: | |
534 | case ISCSI_FLASHNODE_SNACK_REQ_EN: | |
535 | case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN: | |
536 | case ISCSI_FLASHNODE_BIDI_CHAP_EN: | |
537 | case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL: | |
538 | case ISCSI_FLASHNODE_ERL: | |
539 | case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT: | |
540 | case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE: | |
541 | case ISCSI_FLASHNODE_TCP_WSF_DISABLE: | |
542 | case ISCSI_FLASHNODE_TCP_TIMER_SCALE: | |
543 | case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN: | |
544 | case ISCSI_FLASHNODE_IP_FRAG_DISABLE: | |
545 | case ISCSI_FLASHNODE_MAX_RECV_DLENGTH: | |
546 | case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH: | |
547 | case ISCSI_FLASHNODE_FIRST_BURST: | |
548 | case ISCSI_FLASHNODE_DEF_TIME2WAIT: | |
549 | case ISCSI_FLASHNODE_DEF_TIME2RETAIN: | |
550 | case ISCSI_FLASHNODE_MAX_R2T: | |
551 | case ISCSI_FLASHNODE_KEEPALIVE_TMO: | |
552 | case ISCSI_FLASHNODE_ISID: | |
553 | case ISCSI_FLASHNODE_TSID: | |
554 | case ISCSI_FLASHNODE_PORT: | |
555 | case ISCSI_FLASHNODE_MAX_BURST: | |
556 | case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO: | |
557 | case ISCSI_FLASHNODE_IPADDR: | |
558 | case ISCSI_FLASHNODE_ALIAS: | |
559 | case ISCSI_FLASHNODE_REDIRECT_IPADDR: | |
560 | case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE: | |
561 | case ISCSI_FLASHNODE_LOCAL_PORT: | |
562 | case ISCSI_FLASHNODE_IPV4_TOS: | |
563 | case ISCSI_FLASHNODE_IPV6_TC: | |
564 | case ISCSI_FLASHNODE_IPV6_FLOW_LABEL: | |
565 | case ISCSI_FLASHNODE_NAME: | |
566 | case ISCSI_FLASHNODE_TPGT: | |
567 | case ISCSI_FLASHNODE_LINK_LOCAL_IPV6: | |
568 | case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX: | |
569 | case ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE: | |
570 | case ISCSI_FLASHNODE_TCP_XMIT_WSF: | |
571 | case ISCSI_FLASHNODE_TCP_RECV_WSF: | |
572 | case ISCSI_FLASHNODE_CHAP_OUT_IDX: | |
573 | case ISCSI_FLASHNODE_USERNAME: | |
574 | case ISCSI_FLASHNODE_PASSWORD: | |
575 | case ISCSI_FLASHNODE_STATSN: | |
576 | case ISCSI_FLASHNODE_EXP_STATSN: | |
577 | case ISCSI_FLASHNODE_IS_BOOT_TGT: | |
578 | return S_IRUGO; | |
579 | default: | |
580 | return 0; | |
581 | } | |
3128c6c7 MC |
582 | } |
583 | ||
584 | return 0; | |
585 | } | |
586 | ||
ea507a25 AC |
587 | /** |
588 | * qla4xxx_create chap_list - Create CHAP list from FLASH | |
589 | * @ha: pointer to adapter structure | |
590 | * | |
591 | * Read flash and make a list of CHAP entries, during login when a CHAP entry | |
592 | * is received, it will be checked in this list. If entry exist then the CHAP | |
593 | * entry index is set in the DDB. If CHAP entry does not exist in this list | |
594 | * then a new entry is added in FLASH in CHAP table and the index obtained is | |
595 | * used in the DDB. | |
596 | **/ | |
597 | static void qla4xxx_create_chap_list(struct scsi_qla_host *ha) | |
598 | { | |
599 | int rval = 0; | |
600 | uint8_t *chap_flash_data = NULL; | |
601 | uint32_t offset; | |
602 | dma_addr_t chap_dma; | |
603 | uint32_t chap_size = 0; | |
604 | ||
605 | if (is_qla40XX(ha)) | |
606 | chap_size = MAX_CHAP_ENTRIES_40XX * | |
607 | sizeof(struct ql4_chap_table); | |
608 | else /* Single region contains CHAP info for both | |
609 | * ports which is divided into half for each port. | |
610 | */ | |
611 | chap_size = ha->hw.flt_chap_size / 2; | |
612 | ||
613 | chap_flash_data = dma_alloc_coherent(&ha->pdev->dev, chap_size, | |
614 | &chap_dma, GFP_KERNEL); | |
615 | if (!chap_flash_data) { | |
616 | ql4_printk(KERN_ERR, ha, "No memory for chap_flash_data\n"); | |
617 | return; | |
618 | } | |
619 | ||
620 | if (is_qla40XX(ha)) { | |
621 | offset = FLASH_CHAP_OFFSET; | |
622 | } else { | |
623 | offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2); | |
624 | if (ha->port_num == 1) | |
625 | offset += chap_size; | |
626 | } | |
627 | ||
628 | rval = qla4xxx_get_flash(ha, chap_dma, offset, chap_size); | |
629 | if (rval != QLA_SUCCESS) | |
630 | goto exit_chap_list; | |
631 | ||
632 | if (ha->chap_list == NULL) | |
633 | ha->chap_list = vmalloc(chap_size); | |
634 | if (ha->chap_list == NULL) { | |
635 | ql4_printk(KERN_ERR, ha, "No memory for ha->chap_list\n"); | |
636 | goto exit_chap_list; | |
637 | } | |
638 | ||
639 | memset(ha->chap_list, 0, chap_size); | |
640 | memcpy(ha->chap_list, chap_flash_data, chap_size); | |
641 | ||
642 | exit_chap_list: | |
643 | dma_free_coherent(&ha->pdev->dev, chap_size, chap_flash_data, chap_dma); | |
644 | } | |
645 | ||
26ffd7b4 AC |
646 | static int qla4xxx_get_chap_by_index(struct scsi_qla_host *ha, |
647 | int16_t chap_index, | |
648 | struct ql4_chap_table **chap_entry) | |
649 | { | |
650 | int rval = QLA_ERROR; | |
651 | int max_chap_entries; | |
652 | ||
653 | if (!ha->chap_list) { | |
654 | ql4_printk(KERN_ERR, ha, "CHAP table cache is empty!\n"); | |
655 | rval = QLA_ERROR; | |
656 | goto exit_get_chap; | |
657 | } | |
658 | ||
659 | if (is_qla80XX(ha)) | |
660 | max_chap_entries = (ha->hw.flt_chap_size / 2) / | |
661 | sizeof(struct ql4_chap_table); | |
662 | else | |
663 | max_chap_entries = MAX_CHAP_ENTRIES_40XX; | |
664 | ||
665 | if (chap_index > max_chap_entries) { | |
666 | ql4_printk(KERN_ERR, ha, "Invalid Chap index\n"); | |
667 | rval = QLA_ERROR; | |
668 | goto exit_get_chap; | |
669 | } | |
670 | ||
671 | *chap_entry = (struct ql4_chap_table *)ha->chap_list + chap_index; | |
672 | if ((*chap_entry)->cookie != | |
673 | __constant_cpu_to_le16(CHAP_VALID_COOKIE)) { | |
674 | rval = QLA_ERROR; | |
675 | *chap_entry = NULL; | |
676 | } else { | |
677 | rval = QLA_SUCCESS; | |
678 | } | |
679 | ||
680 | exit_get_chap: | |
681 | return rval; | |
682 | } | |
683 | ||
684 | /** | |
685 | * qla4xxx_find_free_chap_index - Find the first free chap index | |
686 | * @ha: pointer to adapter structure | |
687 | * @chap_index: CHAP index to be returned | |
688 | * | |
689 | * Find the first free chap index available in the chap table | |
690 | * | |
691 | * Note: Caller should acquire the chap lock before getting here. | |
692 | **/ | |
693 | static int qla4xxx_find_free_chap_index(struct scsi_qla_host *ha, | |
694 | uint16_t *chap_index) | |
695 | { | |
696 | int i, rval; | |
697 | int free_index = -1; | |
698 | int max_chap_entries = 0; | |
699 | struct ql4_chap_table *chap_table; | |
700 | ||
701 | if (is_qla80XX(ha)) | |
702 | max_chap_entries = (ha->hw.flt_chap_size / 2) / | |
703 | sizeof(struct ql4_chap_table); | |
704 | else | |
705 | max_chap_entries = MAX_CHAP_ENTRIES_40XX; | |
706 | ||
707 | if (!ha->chap_list) { | |
708 | ql4_printk(KERN_ERR, ha, "CHAP table cache is empty!\n"); | |
709 | rval = QLA_ERROR; | |
710 | goto exit_find_chap; | |
711 | } | |
712 | ||
713 | for (i = 0; i < max_chap_entries; i++) { | |
714 | chap_table = (struct ql4_chap_table *)ha->chap_list + i; | |
715 | ||
716 | if ((chap_table->cookie != | |
717 | __constant_cpu_to_le16(CHAP_VALID_COOKIE)) && | |
718 | (i > MAX_RESRV_CHAP_IDX)) { | |
719 | free_index = i; | |
720 | break; | |
721 | } | |
722 | } | |
723 | ||
724 | if (free_index != -1) { | |
725 | *chap_index = free_index; | |
726 | rval = QLA_SUCCESS; | |
727 | } else { | |
728 | rval = QLA_ERROR; | |
729 | } | |
730 | ||
731 | exit_find_chap: | |
732 | return rval; | |
733 | } | |
734 | ||
376738af NJ |
735 | static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx, |
736 | uint32_t *num_entries, char *buf) | |
737 | { | |
738 | struct scsi_qla_host *ha = to_qla_host(shost); | |
739 | struct ql4_chap_table *chap_table; | |
740 | struct iscsi_chap_rec *chap_rec; | |
741 | int max_chap_entries = 0; | |
742 | int valid_chap_entries = 0; | |
743 | int ret = 0, i; | |
744 | ||
d11b0ca3 | 745 | if (is_qla80XX(ha)) |
376738af NJ |
746 | max_chap_entries = (ha->hw.flt_chap_size / 2) / |
747 | sizeof(struct ql4_chap_table); | |
748 | else | |
749 | max_chap_entries = MAX_CHAP_ENTRIES_40XX; | |
750 | ||
751 | ql4_printk(KERN_INFO, ha, "%s: num_entries = %d, CHAP idx = %d\n", | |
752 | __func__, *num_entries, chap_tbl_idx); | |
753 | ||
754 | if (!buf) { | |
755 | ret = -ENOMEM; | |
756 | goto exit_get_chap_list; | |
757 | } | |
758 | ||
ea507a25 AC |
759 | qla4xxx_create_chap_list(ha); |
760 | ||
376738af NJ |
761 | chap_rec = (struct iscsi_chap_rec *) buf; |
762 | mutex_lock(&ha->chap_sem); | |
763 | for (i = chap_tbl_idx; i < max_chap_entries; i++) { | |
764 | chap_table = (struct ql4_chap_table *)ha->chap_list + i; | |
765 | if (chap_table->cookie != | |
766 | __constant_cpu_to_le16(CHAP_VALID_COOKIE)) | |
767 | continue; | |
768 | ||
769 | chap_rec->chap_tbl_idx = i; | |
bdbb9662 | 770 | strlcpy(chap_rec->username, chap_table->name, |
376738af | 771 | ISCSI_CHAP_AUTH_NAME_MAX_LEN); |
bdbb9662 | 772 | strlcpy(chap_rec->password, chap_table->secret, |
376738af NJ |
773 | QL4_CHAP_MAX_SECRET_LEN); |
774 | chap_rec->password_length = chap_table->secret_len; | |
775 | ||
776 | if (chap_table->flags & BIT_7) /* local */ | |
777 | chap_rec->chap_type = CHAP_TYPE_OUT; | |
778 | ||
779 | if (chap_table->flags & BIT_6) /* peer */ | |
780 | chap_rec->chap_type = CHAP_TYPE_IN; | |
781 | ||
782 | chap_rec++; | |
783 | ||
784 | valid_chap_entries++; | |
785 | if (valid_chap_entries == *num_entries) | |
786 | break; | |
787 | else | |
788 | continue; | |
789 | } | |
790 | mutex_unlock(&ha->chap_sem); | |
791 | ||
792 | exit_get_chap_list: | |
793 | ql4_printk(KERN_INFO, ha, "%s: Valid CHAP Entries = %d\n", | |
794 | __func__, valid_chap_entries); | |
795 | *num_entries = valid_chap_entries; | |
796 | return ret; | |
797 | } | |
798 | ||
799 | static int __qla4xxx_is_chap_active(struct device *dev, void *data) | |
800 | { | |
801 | int ret = 0; | |
802 | uint16_t *chap_tbl_idx = (uint16_t *) data; | |
803 | struct iscsi_cls_session *cls_session; | |
804 | struct iscsi_session *sess; | |
805 | struct ddb_entry *ddb_entry; | |
806 | ||
807 | if (!iscsi_is_session_dev(dev)) | |
808 | goto exit_is_chap_active; | |
809 | ||
810 | cls_session = iscsi_dev_to_session(dev); | |
811 | sess = cls_session->dd_data; | |
812 | ddb_entry = sess->dd_data; | |
813 | ||
814 | if (iscsi_session_chkready(cls_session)) | |
815 | goto exit_is_chap_active; | |
816 | ||
817 | if (ddb_entry->chap_tbl_idx == *chap_tbl_idx) | |
818 | ret = 1; | |
819 | ||
820 | exit_is_chap_active: | |
821 | return ret; | |
822 | } | |
823 | ||
824 | static int qla4xxx_is_chap_active(struct Scsi_Host *shost, | |
825 | uint16_t chap_tbl_idx) | |
826 | { | |
827 | int ret = 0; | |
828 | ||
829 | ret = device_for_each_child(&shost->shost_gendev, &chap_tbl_idx, | |
830 | __qla4xxx_is_chap_active); | |
831 | ||
832 | return ret; | |
833 | } | |
834 | ||
835 | static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx) | |
836 | { | |
837 | struct scsi_qla_host *ha = to_qla_host(shost); | |
838 | struct ql4_chap_table *chap_table; | |
839 | dma_addr_t chap_dma; | |
840 | int max_chap_entries = 0; | |
841 | uint32_t offset = 0; | |
842 | uint32_t chap_size; | |
843 | int ret = 0; | |
844 | ||
8d35a9dc | 845 | chap_table = dma_pool_zalloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma); |
376738af NJ |
846 | if (chap_table == NULL) |
847 | return -ENOMEM; | |
848 | ||
d11b0ca3 | 849 | if (is_qla80XX(ha)) |
376738af NJ |
850 | max_chap_entries = (ha->hw.flt_chap_size / 2) / |
851 | sizeof(struct ql4_chap_table); | |
852 | else | |
853 | max_chap_entries = MAX_CHAP_ENTRIES_40XX; | |
854 | ||
855 | if (chap_tbl_idx > max_chap_entries) { | |
856 | ret = -EINVAL; | |
857 | goto exit_delete_chap; | |
858 | } | |
859 | ||
860 | /* Check if chap index is in use. | |
861 | * If chap is in use don't delet chap entry */ | |
862 | ret = qla4xxx_is_chap_active(shost, chap_tbl_idx); | |
863 | if (ret) { | |
864 | ql4_printk(KERN_INFO, ha, "CHAP entry %d is in use, cannot " | |
865 | "delete from flash\n", chap_tbl_idx); | |
866 | ret = -EBUSY; | |
867 | goto exit_delete_chap; | |
868 | } | |
869 | ||
870 | chap_size = sizeof(struct ql4_chap_table); | |
871 | if (is_qla40XX(ha)) | |
872 | offset = FLASH_CHAP_OFFSET | (chap_tbl_idx * chap_size); | |
873 | else { | |
874 | offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2); | |
875 | /* flt_chap_size is CHAP table size for both ports | |
876 | * so divide it by 2 to calculate the offset for second port | |
877 | */ | |
878 | if (ha->port_num == 1) | |
879 | offset += (ha->hw.flt_chap_size / 2); | |
880 | offset += (chap_tbl_idx * chap_size); | |
881 | } | |
882 | ||
883 | ret = qla4xxx_get_flash(ha, chap_dma, offset, chap_size); | |
884 | if (ret != QLA_SUCCESS) { | |
885 | ret = -EINVAL; | |
886 | goto exit_delete_chap; | |
887 | } | |
888 | ||
889 | DEBUG2(ql4_printk(KERN_INFO, ha, "Chap Cookie: x%x\n", | |
890 | __le16_to_cpu(chap_table->cookie))); | |
891 | ||
892 | if (__le16_to_cpu(chap_table->cookie) != CHAP_VALID_COOKIE) { | |
893 | ql4_printk(KERN_ERR, ha, "No valid chap entry found\n"); | |
894 | goto exit_delete_chap; | |
895 | } | |
896 | ||
897 | chap_table->cookie = __constant_cpu_to_le16(0xFFFF); | |
898 | ||
899 | offset = FLASH_CHAP_OFFSET | | |
900 | (chap_tbl_idx * sizeof(struct ql4_chap_table)); | |
901 | ret = qla4xxx_set_flash(ha, chap_dma, offset, chap_size, | |
902 | FLASH_OPT_RMW_COMMIT); | |
903 | if (ret == QLA_SUCCESS && ha->chap_list) { | |
904 | mutex_lock(&ha->chap_sem); | |
905 | /* Update ha chap_list cache */ | |
906 | memcpy((struct ql4_chap_table *)ha->chap_list + chap_tbl_idx, | |
907 | chap_table, sizeof(struct ql4_chap_table)); | |
908 | mutex_unlock(&ha->chap_sem); | |
909 | } | |
910 | if (ret != QLA_SUCCESS) | |
911 | ret = -EINVAL; | |
912 | ||
913 | exit_delete_chap: | |
914 | dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma); | |
915 | return ret; | |
916 | } | |
917 | ||
26ffd7b4 AC |
918 | /** |
919 | * qla4xxx_set_chap_entry - Make chap entry with given information | |
920 | * @shost: pointer to host | |
921 | * @data: chap info - credentials, index and type to make chap entry | |
922 | * @len: length of data | |
923 | * | |
924 | * Add or update chap entry with the given information | |
925 | **/ | |
926 | static int qla4xxx_set_chap_entry(struct Scsi_Host *shost, void *data, int len) | |
927 | { | |
928 | struct scsi_qla_host *ha = to_qla_host(shost); | |
929 | struct iscsi_chap_rec chap_rec; | |
930 | struct ql4_chap_table *chap_entry = NULL; | |
931 | struct iscsi_param_info *param_info; | |
932 | struct nlattr *attr; | |
933 | int max_chap_entries = 0; | |
934 | int type; | |
935 | int rem = len; | |
936 | int rc = 0; | |
3c60cfd7 | 937 | int size; |
26ffd7b4 AC |
938 | |
939 | memset(&chap_rec, 0, sizeof(chap_rec)); | |
940 | ||
941 | nla_for_each_attr(attr, data, len, rem) { | |
942 | param_info = nla_data(attr); | |
943 | ||
944 | switch (param_info->param) { | |
945 | case ISCSI_CHAP_PARAM_INDEX: | |
946 | chap_rec.chap_tbl_idx = *(uint16_t *)param_info->value; | |
947 | break; | |
948 | case ISCSI_CHAP_PARAM_CHAP_TYPE: | |
949 | chap_rec.chap_type = param_info->value[0]; | |
950 | break; | |
951 | case ISCSI_CHAP_PARAM_USERNAME: | |
3c60cfd7 DC |
952 | size = min_t(size_t, sizeof(chap_rec.username), |
953 | param_info->len); | |
954 | memcpy(chap_rec.username, param_info->value, size); | |
26ffd7b4 AC |
955 | break; |
956 | case ISCSI_CHAP_PARAM_PASSWORD: | |
3c60cfd7 DC |
957 | size = min_t(size_t, sizeof(chap_rec.password), |
958 | param_info->len); | |
959 | memcpy(chap_rec.password, param_info->value, size); | |
26ffd7b4 AC |
960 | break; |
961 | case ISCSI_CHAP_PARAM_PASSWORD_LEN: | |
962 | chap_rec.password_length = param_info->value[0]; | |
963 | break; | |
964 | default: | |
965 | ql4_printk(KERN_ERR, ha, | |
966 | "%s: No such sysfs attribute\n", __func__); | |
967 | rc = -ENOSYS; | |
968 | goto exit_set_chap; | |
969 | }; | |
970 | } | |
971 | ||
972 | if (chap_rec.chap_type == CHAP_TYPE_IN) | |
973 | type = BIDI_CHAP; | |
974 | else | |
975 | type = LOCAL_CHAP; | |
976 | ||
977 | if (is_qla80XX(ha)) | |
978 | max_chap_entries = (ha->hw.flt_chap_size / 2) / | |
979 | sizeof(struct ql4_chap_table); | |
980 | else | |
981 | max_chap_entries = MAX_CHAP_ENTRIES_40XX; | |
982 | ||
983 | mutex_lock(&ha->chap_sem); | |
984 | if (chap_rec.chap_tbl_idx < max_chap_entries) { | |
985 | rc = qla4xxx_get_chap_by_index(ha, chap_rec.chap_tbl_idx, | |
986 | &chap_entry); | |
987 | if (!rc) { | |
988 | if (!(type == qla4xxx_get_chap_type(chap_entry))) { | |
989 | ql4_printk(KERN_INFO, ha, | |
990 | "Type mismatch for CHAP entry %d\n", | |
991 | chap_rec.chap_tbl_idx); | |
992 | rc = -EINVAL; | |
993 | goto exit_unlock_chap; | |
994 | } | |
995 | ||
996 | /* If chap index is in use then don't modify it */ | |
997 | rc = qla4xxx_is_chap_active(shost, | |
998 | chap_rec.chap_tbl_idx); | |
999 | if (rc) { | |
1000 | ql4_printk(KERN_INFO, ha, | |
1001 | "CHAP entry %d is in use\n", | |
1002 | chap_rec.chap_tbl_idx); | |
1003 | rc = -EBUSY; | |
1004 | goto exit_unlock_chap; | |
1005 | } | |
1006 | } | |
1007 | } else { | |
1008 | rc = qla4xxx_find_free_chap_index(ha, &chap_rec.chap_tbl_idx); | |
1009 | if (rc) { | |
1010 | ql4_printk(KERN_INFO, ha, "CHAP entry not available\n"); | |
1011 | rc = -EBUSY; | |
1012 | goto exit_unlock_chap; | |
1013 | } | |
1014 | } | |
1015 | ||
1016 | rc = qla4xxx_set_chap(ha, chap_rec.username, chap_rec.password, | |
1017 | chap_rec.chap_tbl_idx, type); | |
1018 | ||
1019 | exit_unlock_chap: | |
1020 | mutex_unlock(&ha->chap_sem); | |
1021 | ||
1022 | exit_set_chap: | |
1023 | return rc; | |
1024 | } | |
1025 | ||
4161cee5 LC |
1026 | |
1027 | static int qla4xxx_get_host_stats(struct Scsi_Host *shost, char *buf, int len) | |
1028 | { | |
1029 | struct scsi_qla_host *ha = to_qla_host(shost); | |
1030 | struct iscsi_offload_host_stats *host_stats = NULL; | |
1031 | int host_stats_size; | |
1032 | int ret = 0; | |
1033 | int ddb_idx = 0; | |
1034 | struct ql_iscsi_stats *ql_iscsi_stats = NULL; | |
1035 | int stats_size; | |
1036 | dma_addr_t iscsi_stats_dma; | |
1037 | ||
1038 | DEBUG2(ql4_printk(KERN_INFO, ha, "Func: %s\n", __func__)); | |
1039 | ||
1040 | host_stats_size = sizeof(struct iscsi_offload_host_stats); | |
1041 | ||
1042 | if (host_stats_size != len) { | |
1043 | ql4_printk(KERN_INFO, ha, "%s: host_stats size mismatch expected = %d, is = %d\n", | |
1044 | __func__, len, host_stats_size); | |
1045 | ret = -EINVAL; | |
1046 | goto exit_host_stats; | |
1047 | } | |
1048 | host_stats = (struct iscsi_offload_host_stats *)buf; | |
1049 | ||
1050 | if (!buf) { | |
1051 | ret = -ENOMEM; | |
1052 | goto exit_host_stats; | |
1053 | } | |
1054 | ||
1055 | stats_size = PAGE_ALIGN(sizeof(struct ql_iscsi_stats)); | |
1056 | ||
1057 | ql_iscsi_stats = dma_alloc_coherent(&ha->pdev->dev, stats_size, | |
1058 | &iscsi_stats_dma, GFP_KERNEL); | |
1059 | if (!ql_iscsi_stats) { | |
1060 | ql4_printk(KERN_ERR, ha, | |
1061 | "Unable to allocate memory for iscsi stats\n"); | |
7f3976f0 | 1062 | ret = -ENOMEM; |
4161cee5 LC |
1063 | goto exit_host_stats; |
1064 | } | |
1065 | ||
1066 | ret = qla4xxx_get_mgmt_data(ha, ddb_idx, stats_size, | |
1067 | iscsi_stats_dma); | |
1068 | if (ret != QLA_SUCCESS) { | |
1069 | ql4_printk(KERN_ERR, ha, | |
1070 | "Unable to retrieve iscsi stats\n"); | |
7f3976f0 | 1071 | ret = -EIO; |
4161cee5 LC |
1072 | goto exit_host_stats; |
1073 | } | |
1074 | host_stats->mactx_frames = le64_to_cpu(ql_iscsi_stats->mac_tx_frames); | |
1075 | host_stats->mactx_bytes = le64_to_cpu(ql_iscsi_stats->mac_tx_bytes); | |
1076 | host_stats->mactx_multicast_frames = | |
1077 | le64_to_cpu(ql_iscsi_stats->mac_tx_multicast_frames); | |
1078 | host_stats->mactx_broadcast_frames = | |
1079 | le64_to_cpu(ql_iscsi_stats->mac_tx_broadcast_frames); | |
1080 | host_stats->mactx_pause_frames = | |
1081 | le64_to_cpu(ql_iscsi_stats->mac_tx_pause_frames); | |
1082 | host_stats->mactx_control_frames = | |
1083 | le64_to_cpu(ql_iscsi_stats->mac_tx_control_frames); | |
1084 | host_stats->mactx_deferral = | |
1085 | le64_to_cpu(ql_iscsi_stats->mac_tx_deferral); | |
1086 | host_stats->mactx_excess_deferral = | |
1087 | le64_to_cpu(ql_iscsi_stats->mac_tx_excess_deferral); | |
1088 | host_stats->mactx_late_collision = | |
1089 | le64_to_cpu(ql_iscsi_stats->mac_tx_late_collision); | |
1090 | host_stats->mactx_abort = le64_to_cpu(ql_iscsi_stats->mac_tx_abort); | |
1091 | host_stats->mactx_single_collision = | |
1092 | le64_to_cpu(ql_iscsi_stats->mac_tx_single_collision); | |
1093 | host_stats->mactx_multiple_collision = | |
1094 | le64_to_cpu(ql_iscsi_stats->mac_tx_multiple_collision); | |
1095 | host_stats->mactx_collision = | |
1096 | le64_to_cpu(ql_iscsi_stats->mac_tx_collision); | |
1097 | host_stats->mactx_frames_dropped = | |
1098 | le64_to_cpu(ql_iscsi_stats->mac_tx_frames_dropped); | |
1099 | host_stats->mactx_jumbo_frames = | |
1100 | le64_to_cpu(ql_iscsi_stats->mac_tx_jumbo_frames); | |
1101 | host_stats->macrx_frames = le64_to_cpu(ql_iscsi_stats->mac_rx_frames); | |
1102 | host_stats->macrx_bytes = le64_to_cpu(ql_iscsi_stats->mac_rx_bytes); | |
1103 | host_stats->macrx_unknown_control_frames = | |
1104 | le64_to_cpu(ql_iscsi_stats->mac_rx_unknown_control_frames); | |
1105 | host_stats->macrx_pause_frames = | |
1106 | le64_to_cpu(ql_iscsi_stats->mac_rx_pause_frames); | |
1107 | host_stats->macrx_control_frames = | |
1108 | le64_to_cpu(ql_iscsi_stats->mac_rx_control_frames); | |
1109 | host_stats->macrx_dribble = | |
1110 | le64_to_cpu(ql_iscsi_stats->mac_rx_dribble); | |
1111 | host_stats->macrx_frame_length_error = | |
1112 | le64_to_cpu(ql_iscsi_stats->mac_rx_frame_length_error); | |
1113 | host_stats->macrx_jabber = le64_to_cpu(ql_iscsi_stats->mac_rx_jabber); | |
1114 | host_stats->macrx_carrier_sense_error = | |
1115 | le64_to_cpu(ql_iscsi_stats->mac_rx_carrier_sense_error); | |
1116 | host_stats->macrx_frame_discarded = | |
1117 | le64_to_cpu(ql_iscsi_stats->mac_rx_frame_discarded); | |
1118 | host_stats->macrx_frames_dropped = | |
1119 | le64_to_cpu(ql_iscsi_stats->mac_rx_frames_dropped); | |
1120 | host_stats->mac_crc_error = le64_to_cpu(ql_iscsi_stats->mac_crc_error); | |
1121 | host_stats->mac_encoding_error = | |
1122 | le64_to_cpu(ql_iscsi_stats->mac_encoding_error); | |
1123 | host_stats->macrx_length_error_large = | |
1124 | le64_to_cpu(ql_iscsi_stats->mac_rx_length_error_large); | |
1125 | host_stats->macrx_length_error_small = | |
1126 | le64_to_cpu(ql_iscsi_stats->mac_rx_length_error_small); | |
1127 | host_stats->macrx_multicast_frames = | |
1128 | le64_to_cpu(ql_iscsi_stats->mac_rx_multicast_frames); | |
1129 | host_stats->macrx_broadcast_frames = | |
1130 | le64_to_cpu(ql_iscsi_stats->mac_rx_broadcast_frames); | |
1131 | host_stats->iptx_packets = le64_to_cpu(ql_iscsi_stats->ip_tx_packets); | |
1132 | host_stats->iptx_bytes = le64_to_cpu(ql_iscsi_stats->ip_tx_bytes); | |
1133 | host_stats->iptx_fragments = | |
1134 | le64_to_cpu(ql_iscsi_stats->ip_tx_fragments); | |
1135 | host_stats->iprx_packets = le64_to_cpu(ql_iscsi_stats->ip_rx_packets); | |
1136 | host_stats->iprx_bytes = le64_to_cpu(ql_iscsi_stats->ip_rx_bytes); | |
1137 | host_stats->iprx_fragments = | |
1138 | le64_to_cpu(ql_iscsi_stats->ip_rx_fragments); | |
1139 | host_stats->ip_datagram_reassembly = | |
1140 | le64_to_cpu(ql_iscsi_stats->ip_datagram_reassembly); | |
1141 | host_stats->ip_invalid_address_error = | |
1142 | le64_to_cpu(ql_iscsi_stats->ip_invalid_address_error); | |
1143 | host_stats->ip_error_packets = | |
1144 | le64_to_cpu(ql_iscsi_stats->ip_error_packets); | |
1145 | host_stats->ip_fragrx_overlap = | |
1146 | le64_to_cpu(ql_iscsi_stats->ip_fragrx_overlap); | |
1147 | host_stats->ip_fragrx_outoforder = | |
1148 | le64_to_cpu(ql_iscsi_stats->ip_fragrx_outoforder); | |
1149 | host_stats->ip_datagram_reassembly_timeout = | |
1150 | le64_to_cpu(ql_iscsi_stats->ip_datagram_reassembly_timeout); | |
1151 | host_stats->ipv6tx_packets = | |
1152 | le64_to_cpu(ql_iscsi_stats->ipv6_tx_packets); | |
1153 | host_stats->ipv6tx_bytes = le64_to_cpu(ql_iscsi_stats->ipv6_tx_bytes); | |
1154 | host_stats->ipv6tx_fragments = | |
1155 | le64_to_cpu(ql_iscsi_stats->ipv6_tx_fragments); | |
1156 | host_stats->ipv6rx_packets = | |
1157 | le64_to_cpu(ql_iscsi_stats->ipv6_rx_packets); | |
1158 | host_stats->ipv6rx_bytes = le64_to_cpu(ql_iscsi_stats->ipv6_rx_bytes); | |
1159 | host_stats->ipv6rx_fragments = | |
1160 | le64_to_cpu(ql_iscsi_stats->ipv6_rx_fragments); | |
1161 | host_stats->ipv6_datagram_reassembly = | |
1162 | le64_to_cpu(ql_iscsi_stats->ipv6_datagram_reassembly); | |
1163 | host_stats->ipv6_invalid_address_error = | |
1164 | le64_to_cpu(ql_iscsi_stats->ipv6_invalid_address_error); | |
1165 | host_stats->ipv6_error_packets = | |
1166 | le64_to_cpu(ql_iscsi_stats->ipv6_error_packets); | |
1167 | host_stats->ipv6_fragrx_overlap = | |
1168 | le64_to_cpu(ql_iscsi_stats->ipv6_fragrx_overlap); | |
1169 | host_stats->ipv6_fragrx_outoforder = | |
1170 | le64_to_cpu(ql_iscsi_stats->ipv6_fragrx_outoforder); | |
1171 | host_stats->ipv6_datagram_reassembly_timeout = | |
1172 | le64_to_cpu(ql_iscsi_stats->ipv6_datagram_reassembly_timeout); | |
1173 | host_stats->tcptx_segments = | |
1174 | le64_to_cpu(ql_iscsi_stats->tcp_tx_segments); | |
1175 | host_stats->tcptx_bytes = le64_to_cpu(ql_iscsi_stats->tcp_tx_bytes); | |
1176 | host_stats->tcprx_segments = | |
1177 | le64_to_cpu(ql_iscsi_stats->tcp_rx_segments); | |
1178 | host_stats->tcprx_byte = le64_to_cpu(ql_iscsi_stats->tcp_rx_byte); | |
1179 | host_stats->tcp_duplicate_ack_retx = | |
1180 | le64_to_cpu(ql_iscsi_stats->tcp_duplicate_ack_retx); | |
1181 | host_stats->tcp_retx_timer_expired = | |
1182 | le64_to_cpu(ql_iscsi_stats->tcp_retx_timer_expired); | |
1183 | host_stats->tcprx_duplicate_ack = | |
1184 | le64_to_cpu(ql_iscsi_stats->tcp_rx_duplicate_ack); | |
1185 | host_stats->tcprx_pure_ackr = | |
1186 | le64_to_cpu(ql_iscsi_stats->tcp_rx_pure_ackr); | |
1187 | host_stats->tcptx_delayed_ack = | |
1188 | le64_to_cpu(ql_iscsi_stats->tcp_tx_delayed_ack); | |
1189 | host_stats->tcptx_pure_ack = | |
1190 | le64_to_cpu(ql_iscsi_stats->tcp_tx_pure_ack); | |
1191 | host_stats->tcprx_segment_error = | |
1192 | le64_to_cpu(ql_iscsi_stats->tcp_rx_segment_error); | |
1193 | host_stats->tcprx_segment_outoforder = | |
1194 | le64_to_cpu(ql_iscsi_stats->tcp_rx_segment_outoforder); | |
1195 | host_stats->tcprx_window_probe = | |
1196 | le64_to_cpu(ql_iscsi_stats->tcp_rx_window_probe); | |
1197 | host_stats->tcprx_window_update = | |
1198 | le64_to_cpu(ql_iscsi_stats->tcp_rx_window_update); | |
1199 | host_stats->tcptx_window_probe_persist = | |
1200 | le64_to_cpu(ql_iscsi_stats->tcp_tx_window_probe_persist); | |
1201 | host_stats->ecc_error_correction = | |
1202 | le64_to_cpu(ql_iscsi_stats->ecc_error_correction); | |
1203 | host_stats->iscsi_pdu_tx = le64_to_cpu(ql_iscsi_stats->iscsi_pdu_tx); | |
1204 | host_stats->iscsi_data_bytes_tx = | |
1205 | le64_to_cpu(ql_iscsi_stats->iscsi_data_bytes_tx); | |
1206 | host_stats->iscsi_pdu_rx = le64_to_cpu(ql_iscsi_stats->iscsi_pdu_rx); | |
1207 | host_stats->iscsi_data_bytes_rx = | |
1208 | le64_to_cpu(ql_iscsi_stats->iscsi_data_bytes_rx); | |
1209 | host_stats->iscsi_io_completed = | |
1210 | le64_to_cpu(ql_iscsi_stats->iscsi_io_completed); | |
1211 | host_stats->iscsi_unexpected_io_rx = | |
1212 | le64_to_cpu(ql_iscsi_stats->iscsi_unexpected_io_rx); | |
1213 | host_stats->iscsi_format_error = | |
1214 | le64_to_cpu(ql_iscsi_stats->iscsi_format_error); | |
1215 | host_stats->iscsi_hdr_digest_error = | |
1216 | le64_to_cpu(ql_iscsi_stats->iscsi_hdr_digest_error); | |
1217 | host_stats->iscsi_data_digest_error = | |
1218 | le64_to_cpu(ql_iscsi_stats->iscsi_data_digest_error); | |
1219 | host_stats->iscsi_sequence_error = | |
1220 | le64_to_cpu(ql_iscsi_stats->iscsi_sequence_error); | |
1221 | exit_host_stats: | |
1222 | if (ql_iscsi_stats) | |
1223 | dma_free_coherent(&ha->pdev->dev, host_stats_size, | |
1224 | ql_iscsi_stats, iscsi_stats_dma); | |
1225 | ||
1226 | ql4_printk(KERN_INFO, ha, "%s: Get host stats done\n", | |
1227 | __func__); | |
1228 | return ret; | |
1229 | } | |
1230 | ||
ed1086e0 VC |
1231 | static int qla4xxx_get_iface_param(struct iscsi_iface *iface, |
1232 | enum iscsi_param_type param_type, | |
1233 | int param, char *buf) | |
1234 | { | |
1235 | struct Scsi_Host *shost = iscsi_iface_to_shost(iface); | |
1236 | struct scsi_qla_host *ha = to_qla_host(shost); | |
f8e93412 HZ |
1237 | int ival; |
1238 | char *pval = NULL; | |
ed1086e0 VC |
1239 | int len = -ENOSYS; |
1240 | ||
f8e93412 HZ |
1241 | if (param_type == ISCSI_NET_PARAM) { |
1242 | switch (param) { | |
1243 | case ISCSI_NET_PARAM_IPV4_ADDR: | |
1244 | len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address); | |
1245 | break; | |
1246 | case ISCSI_NET_PARAM_IPV4_SUBNET: | |
1247 | len = sprintf(buf, "%pI4\n", | |
1248 | &ha->ip_config.subnet_mask); | |
1249 | break; | |
1250 | case ISCSI_NET_PARAM_IPV4_GW: | |
1251 | len = sprintf(buf, "%pI4\n", &ha->ip_config.gateway); | |
1252 | break; | |
1253 | case ISCSI_NET_PARAM_IFACE_ENABLE: | |
1254 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { | |
1255 | OP_STATE(ha->ip_config.ipv4_options, | |
1256 | IPOPT_IPV4_PROTOCOL_ENABLE, pval); | |
1257 | } else { | |
1258 | OP_STATE(ha->ip_config.ipv6_options, | |
1259 | IPV6_OPT_IPV6_PROTOCOL_ENABLE, pval); | |
1260 | } | |
ed1086e0 | 1261 | |
f8e93412 HZ |
1262 | len = sprintf(buf, "%s\n", pval); |
1263 | break; | |
1264 | case ISCSI_NET_PARAM_IPV4_BOOTPROTO: | |
ed1086e0 | 1265 | len = sprintf(buf, "%s\n", |
f8e93412 HZ |
1266 | (ha->ip_config.tcp_options & |
1267 | TCPOPT_DHCP_ENABLE) ? | |
1268 | "dhcp" : "static"); | |
1269 | break; | |
1270 | case ISCSI_NET_PARAM_IPV6_ADDR: | |
1271 | if (iface->iface_num == 0) | |
1272 | len = sprintf(buf, "%pI6\n", | |
1273 | &ha->ip_config.ipv6_addr0); | |
1274 | if (iface->iface_num == 1) | |
1275 | len = sprintf(buf, "%pI6\n", | |
1276 | &ha->ip_config.ipv6_addr1); | |
1277 | break; | |
1278 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL: | |
1279 | len = sprintf(buf, "%pI6\n", | |
1280 | &ha->ip_config.ipv6_link_local_addr); | |
1281 | break; | |
1282 | case ISCSI_NET_PARAM_IPV6_ROUTER: | |
1283 | len = sprintf(buf, "%pI6\n", | |
1284 | &ha->ip_config.ipv6_default_router_addr); | |
1285 | break; | |
1286 | case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: | |
1287 | pval = (ha->ip_config.ipv6_addl_options & | |
1288 | IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE) ? | |
1289 | "nd" : "static"; | |
1290 | ||
1291 | len = sprintf(buf, "%s\n", pval); | |
1292 | break; | |
1293 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: | |
1294 | pval = (ha->ip_config.ipv6_addl_options & | |
1295 | IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR) ? | |
1296 | "auto" : "static"; | |
1297 | ||
1298 | len = sprintf(buf, "%s\n", pval); | |
1299 | break; | |
1300 | case ISCSI_NET_PARAM_VLAN_ID: | |
1301 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) | |
1302 | ival = ha->ip_config.ipv4_vlan_tag & | |
1303 | ISCSI_MAX_VLAN_ID; | |
1304 | else | |
1305 | ival = ha->ip_config.ipv6_vlan_tag & | |
1306 | ISCSI_MAX_VLAN_ID; | |
1307 | ||
1308 | len = sprintf(buf, "%d\n", ival); | |
1309 | break; | |
1310 | case ISCSI_NET_PARAM_VLAN_PRIORITY: | |
1311 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) | |
1312 | ival = (ha->ip_config.ipv4_vlan_tag >> 13) & | |
1313 | ISCSI_MAX_VLAN_PRIORITY; | |
1314 | else | |
1315 | ival = (ha->ip_config.ipv6_vlan_tag >> 13) & | |
1316 | ISCSI_MAX_VLAN_PRIORITY; | |
1317 | ||
1318 | len = sprintf(buf, "%d\n", ival); | |
1319 | break; | |
1320 | case ISCSI_NET_PARAM_VLAN_ENABLED: | |
1321 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { | |
1322 | OP_STATE(ha->ip_config.ipv4_options, | |
1323 | IPOPT_VLAN_TAGGING_ENABLE, pval); | |
1324 | } else { | |
1325 | OP_STATE(ha->ip_config.ipv6_options, | |
1326 | IPV6_OPT_VLAN_TAGGING_ENABLE, pval); | |
1327 | } | |
1328 | len = sprintf(buf, "%s\n", pval); | |
1329 | break; | |
1330 | case ISCSI_NET_PARAM_MTU: | |
1331 | len = sprintf(buf, "%d\n", ha->ip_config.eth_mtu_size); | |
1332 | break; | |
1333 | case ISCSI_NET_PARAM_PORT: | |
1334 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) | |
1335 | len = sprintf(buf, "%d\n", | |
1336 | ha->ip_config.ipv4_port); | |
1337 | else | |
1338 | len = sprintf(buf, "%d\n", | |
1339 | ha->ip_config.ipv6_port); | |
1340 | break; | |
1341 | case ISCSI_NET_PARAM_IPADDR_STATE: | |
1342 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { | |
1343 | pval = iscsi_get_ipaddress_state_name( | |
1344 | ha->ip_config.ipv4_addr_state); | |
1345 | } else { | |
1346 | if (iface->iface_num == 0) | |
1347 | pval = iscsi_get_ipaddress_state_name( | |
1348 | ha->ip_config.ipv6_addr0_state); | |
1349 | else if (iface->iface_num == 1) | |
1350 | pval = iscsi_get_ipaddress_state_name( | |
1351 | ha->ip_config.ipv6_addr1_state); | |
1352 | } | |
1353 | ||
1354 | len = sprintf(buf, "%s\n", pval); | |
1355 | break; | |
1356 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL_STATE: | |
1357 | pval = iscsi_get_ipaddress_state_name( | |
1358 | ha->ip_config.ipv6_link_local_state); | |
1359 | len = sprintf(buf, "%s\n", pval); | |
1360 | break; | |
1361 | case ISCSI_NET_PARAM_IPV6_ROUTER_STATE: | |
1362 | pval = iscsi_get_router_state_name( | |
1363 | ha->ip_config.ipv6_default_router_state); | |
1364 | len = sprintf(buf, "%s\n", pval); | |
1365 | break; | |
1366 | case ISCSI_NET_PARAM_DELAYED_ACK_EN: | |
1367 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { | |
1368 | OP_STATE(~ha->ip_config.tcp_options, | |
1369 | TCPOPT_DELAYED_ACK_DISABLE, pval); | |
1370 | } else { | |
1371 | OP_STATE(~ha->ip_config.ipv6_tcp_options, | |
1372 | IPV6_TCPOPT_DELAYED_ACK_DISABLE, pval); | |
1373 | } | |
1374 | len = sprintf(buf, "%s\n", pval); | |
1375 | break; | |
1376 | case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE: | |
1377 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { | |
1378 | OP_STATE(~ha->ip_config.tcp_options, | |
1379 | TCPOPT_NAGLE_ALGO_DISABLE, pval); | |
1380 | } else { | |
1381 | OP_STATE(~ha->ip_config.ipv6_tcp_options, | |
1382 | IPV6_TCPOPT_NAGLE_ALGO_DISABLE, pval); | |
1383 | } | |
1384 | len = sprintf(buf, "%s\n", pval); | |
1385 | break; | |
1386 | case ISCSI_NET_PARAM_TCP_WSF_DISABLE: | |
1387 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { | |
1388 | OP_STATE(~ha->ip_config.tcp_options, | |
1389 | TCPOPT_WINDOW_SCALE_DISABLE, pval); | |
1390 | } else { | |
1391 | OP_STATE(~ha->ip_config.ipv6_tcp_options, | |
1392 | IPV6_TCPOPT_WINDOW_SCALE_DISABLE, | |
1393 | pval); | |
1394 | } | |
1395 | len = sprintf(buf, "%s\n", pval); | |
1396 | break; | |
1397 | case ISCSI_NET_PARAM_TCP_WSF: | |
1398 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) | |
1399 | len = sprintf(buf, "%d\n", | |
1400 | ha->ip_config.tcp_wsf); | |
1401 | else | |
1402 | len = sprintf(buf, "%d\n", | |
1403 | ha->ip_config.ipv6_tcp_wsf); | |
1404 | break; | |
1405 | case ISCSI_NET_PARAM_TCP_TIMER_SCALE: | |
1406 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) | |
1407 | ival = (ha->ip_config.tcp_options & | |
1408 | TCPOPT_TIMER_SCALE) >> 1; | |
1409 | else | |
1410 | ival = (ha->ip_config.ipv6_tcp_options & | |
1411 | IPV6_TCPOPT_TIMER_SCALE) >> 1; | |
1412 | ||
1413 | len = sprintf(buf, "%d\n", ival); | |
1414 | break; | |
1415 | case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN: | |
1416 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { | |
1417 | OP_STATE(ha->ip_config.tcp_options, | |
1418 | TCPOPT_TIMESTAMP_ENABLE, pval); | |
1419 | } else { | |
1420 | OP_STATE(ha->ip_config.ipv6_tcp_options, | |
1421 | IPV6_TCPOPT_TIMESTAMP_EN, pval); | |
1422 | } | |
1423 | len = sprintf(buf, "%s\n", pval); | |
1424 | break; | |
1425 | case ISCSI_NET_PARAM_CACHE_ID: | |
1426 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) | |
1427 | len = sprintf(buf, "%d\n", | |
1428 | ha->ip_config.ipv4_cache_id); | |
1429 | else | |
1430 | len = sprintf(buf, "%d\n", | |
1431 | ha->ip_config.ipv6_cache_id); | |
1432 | break; | |
1433 | case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN: | |
1434 | OP_STATE(ha->ip_config.tcp_options, | |
1435 | TCPOPT_DNS_SERVER_IP_EN, pval); | |
1436 | ||
1437 | len = sprintf(buf, "%s\n", pval); | |
1438 | break; | |
1439 | case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN: | |
1440 | OP_STATE(ha->ip_config.tcp_options, | |
1441 | TCPOPT_SLP_DA_INFO_EN, pval); | |
1442 | ||
1443 | len = sprintf(buf, "%s\n", pval); | |
1444 | break; | |
1445 | case ISCSI_NET_PARAM_IPV4_TOS_EN: | |
1446 | OP_STATE(ha->ip_config.ipv4_options, | |
1447 | IPOPT_IPV4_TOS_EN, pval); | |
1448 | ||
1449 | len = sprintf(buf, "%s\n", pval); | |
1450 | break; | |
1451 | case ISCSI_NET_PARAM_IPV4_TOS: | |
1452 | len = sprintf(buf, "%d\n", ha->ip_config.ipv4_tos); | |
1453 | break; | |
1454 | case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN: | |
1455 | OP_STATE(ha->ip_config.ipv4_options, | |
1456 | IPOPT_GRAT_ARP_EN, pval); | |
1457 | ||
1458 | len = sprintf(buf, "%s\n", pval); | |
1459 | break; | |
1460 | case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN: | |
1461 | OP_STATE(ha->ip_config.ipv4_options, IPOPT_ALT_CID_EN, | |
1462 | pval); | |
1463 | ||
1464 | len = sprintf(buf, "%s\n", pval); | |
1465 | break; | |
1466 | case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID: | |
1467 | pval = (ha->ip_config.ipv4_alt_cid_len) ? | |
1468 | (char *)ha->ip_config.ipv4_alt_cid : ""; | |
1469 | ||
1470 | len = sprintf(buf, "%s\n", pval); | |
1471 | break; | |
1472 | case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN: | |
1473 | OP_STATE(ha->ip_config.ipv4_options, | |
1474 | IPOPT_REQ_VID_EN, pval); | |
1475 | ||
1476 | len = sprintf(buf, "%s\n", pval); | |
1477 | break; | |
1478 | case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN: | |
1479 | OP_STATE(ha->ip_config.ipv4_options, | |
1480 | IPOPT_USE_VID_EN, pval); | |
1481 | ||
1482 | len = sprintf(buf, "%s\n", pval); | |
1483 | break; | |
1484 | case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID: | |
1485 | pval = (ha->ip_config.ipv4_vid_len) ? | |
1486 | (char *)ha->ip_config.ipv4_vid : ""; | |
1487 | ||
1488 | len = sprintf(buf, "%s\n", pval); | |
1489 | break; | |
1490 | case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN: | |
1491 | OP_STATE(ha->ip_config.ipv4_options, | |
1492 | IPOPT_LEARN_IQN_EN, pval); | |
1493 | ||
1494 | len = sprintf(buf, "%s\n", pval); | |
1495 | break; | |
1496 | case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE: | |
1497 | OP_STATE(~ha->ip_config.ipv4_options, | |
1498 | IPOPT_FRAGMENTATION_DISABLE, pval); | |
1499 | ||
1500 | len = sprintf(buf, "%s\n", pval); | |
1501 | break; | |
1502 | case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN: | |
1503 | OP_STATE(ha->ip_config.ipv4_options, | |
1504 | IPOPT_IN_FORWARD_EN, pval); | |
1505 | ||
1506 | len = sprintf(buf, "%s\n", pval); | |
1507 | break; | |
1508 | case ISCSI_NET_PARAM_REDIRECT_EN: | |
1509 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { | |
1510 | OP_STATE(ha->ip_config.ipv4_options, | |
1511 | IPOPT_ARP_REDIRECT_EN, pval); | |
1512 | } else { | |
1513 | OP_STATE(ha->ip_config.ipv6_options, | |
1514 | IPV6_OPT_REDIRECT_EN, pval); | |
1515 | } | |
1516 | len = sprintf(buf, "%s\n", pval); | |
1517 | break; | |
1518 | case ISCSI_NET_PARAM_IPV4_TTL: | |
1519 | len = sprintf(buf, "%d\n", ha->ip_config.ipv4_ttl); | |
1520 | break; | |
1521 | case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN: | |
1522 | OP_STATE(ha->ip_config.ipv6_options, | |
1523 | IPV6_OPT_GRAT_NEIGHBOR_ADV_EN, pval); | |
1524 | ||
1525 | len = sprintf(buf, "%s\n", pval); | |
1526 | break; | |
1527 | case ISCSI_NET_PARAM_IPV6_MLD_EN: | |
1528 | OP_STATE(ha->ip_config.ipv6_addl_options, | |
1529 | IPV6_ADDOPT_MLD_EN, pval); | |
1530 | ||
1531 | len = sprintf(buf, "%s\n", pval); | |
1532 | break; | |
1533 | case ISCSI_NET_PARAM_IPV6_FLOW_LABEL: | |
1534 | len = sprintf(buf, "%u\n", ha->ip_config.ipv6_flow_lbl); | |
1535 | break; | |
1536 | case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS: | |
6ac73e8c | 1537 | len = sprintf(buf, "%d\n", |
f8e93412 HZ |
1538 | ha->ip_config.ipv6_traffic_class); |
1539 | break; | |
1540 | case ISCSI_NET_PARAM_IPV6_HOP_LIMIT: | |
6ac73e8c | 1541 | len = sprintf(buf, "%d\n", |
f8e93412 HZ |
1542 | ha->ip_config.ipv6_hop_limit); |
1543 | break; | |
1544 | case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO: | |
6ac73e8c | 1545 | len = sprintf(buf, "%d\n", |
f8e93412 HZ |
1546 | ha->ip_config.ipv6_nd_reach_time); |
1547 | break; | |
1548 | case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME: | |
6ac73e8c | 1549 | len = sprintf(buf, "%d\n", |
f8e93412 HZ |
1550 | ha->ip_config.ipv6_nd_rexmit_timer); |
1551 | break; | |
1552 | case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO: | |
1553 | len = sprintf(buf, "%d\n", | |
1554 | ha->ip_config.ipv6_nd_stale_timeout); | |
1555 | break; | |
1556 | case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT: | |
1557 | len = sprintf(buf, "%d\n", | |
1558 | ha->ip_config.ipv6_dup_addr_detect_count); | |
1559 | break; | |
1560 | case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU: | |
1561 | len = sprintf(buf, "%d\n", | |
1562 | ha->ip_config.ipv6_gw_advrt_mtu); | |
1563 | break; | |
1564 | default: | |
1565 | len = -ENOSYS; | |
1566 | } | |
1567 | } else if (param_type == ISCSI_IFACE_PARAM) { | |
1568 | switch (param) { | |
1569 | case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO: | |
1570 | len = sprintf(buf, "%d\n", ha->ip_config.def_timeout); | |
1571 | break; | |
1572 | case ISCSI_IFACE_PARAM_HDRDGST_EN: | |
1573 | OP_STATE(ha->ip_config.iscsi_options, | |
1574 | ISCSIOPTS_HEADER_DIGEST_EN, pval); | |
1575 | ||
1576 | len = sprintf(buf, "%s\n", pval); | |
1577 | break; | |
1578 | case ISCSI_IFACE_PARAM_DATADGST_EN: | |
1579 | OP_STATE(ha->ip_config.iscsi_options, | |
1580 | ISCSIOPTS_DATA_DIGEST_EN, pval); | |
1581 | ||
1582 | len = sprintf(buf, "%s\n", pval); | |
1583 | break; | |
1584 | case ISCSI_IFACE_PARAM_IMM_DATA_EN: | |
1585 | OP_STATE(ha->ip_config.iscsi_options, | |
1586 | ISCSIOPTS_IMMEDIATE_DATA_EN, pval); | |
1587 | ||
1588 | len = sprintf(buf, "%s\n", pval); | |
1589 | break; | |
1590 | case ISCSI_IFACE_PARAM_INITIAL_R2T_EN: | |
1591 | OP_STATE(ha->ip_config.iscsi_options, | |
1592 | ISCSIOPTS_INITIAL_R2T_EN, pval); | |
1593 | ||
1594 | len = sprintf(buf, "%s\n", pval); | |
1595 | break; | |
1596 | case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN: | |
1597 | OP_STATE(ha->ip_config.iscsi_options, | |
1598 | ISCSIOPTS_DATA_SEQ_INORDER_EN, pval); | |
1599 | ||
1600 | len = sprintf(buf, "%s\n", pval); | |
1601 | break; | |
1602 | case ISCSI_IFACE_PARAM_PDU_INORDER_EN: | |
1603 | OP_STATE(ha->ip_config.iscsi_options, | |
1604 | ISCSIOPTS_DATA_PDU_INORDER_EN, pval); | |
1605 | ||
1606 | len = sprintf(buf, "%s\n", pval); | |
1607 | break; | |
1608 | case ISCSI_IFACE_PARAM_ERL: | |
1609 | len = sprintf(buf, "%d\n", | |
1610 | (ha->ip_config.iscsi_options & | |
1611 | ISCSIOPTS_ERL)); | |
1612 | break; | |
1613 | case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH: | |
1614 | len = sprintf(buf, "%u\n", | |
1615 | ha->ip_config.iscsi_max_pdu_size * | |
1616 | BYTE_UNITS); | |
1617 | break; | |
1618 | case ISCSI_IFACE_PARAM_FIRST_BURST: | |
1619 | len = sprintf(buf, "%u\n", | |
1620 | ha->ip_config.iscsi_first_burst_len * | |
1621 | BYTE_UNITS); | |
1622 | break; | |
1623 | case ISCSI_IFACE_PARAM_MAX_R2T: | |
1624 | len = sprintf(buf, "%d\n", | |
1625 | ha->ip_config.iscsi_max_outstnd_r2t); | |
1626 | break; | |
1627 | case ISCSI_IFACE_PARAM_MAX_BURST: | |
1628 | len = sprintf(buf, "%u\n", | |
1629 | ha->ip_config.iscsi_max_burst_len * | |
1630 | BYTE_UNITS); | |
1631 | break; | |
1632 | case ISCSI_IFACE_PARAM_CHAP_AUTH_EN: | |
1633 | OP_STATE(ha->ip_config.iscsi_options, | |
1634 | ISCSIOPTS_CHAP_AUTH_EN, pval); | |
1635 | ||
1636 | len = sprintf(buf, "%s\n", pval); | |
1637 | break; | |
1638 | case ISCSI_IFACE_PARAM_BIDI_CHAP_EN: | |
1639 | OP_STATE(ha->ip_config.iscsi_options, | |
1640 | ISCSIOPTS_BIDI_CHAP_EN, pval); | |
1641 | ||
1642 | len = sprintf(buf, "%s\n", pval); | |
1643 | break; | |
1644 | case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL: | |
1645 | OP_STATE(ha->ip_config.iscsi_options, | |
1646 | ISCSIOPTS_DISCOVERY_AUTH_EN, pval); | |
1647 | ||
1648 | len = sprintf(buf, "%s\n", pval); | |
1649 | break; | |
1650 | case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN: | |
1651 | OP_STATE(ha->ip_config.iscsi_options, | |
1652 | ISCSIOPTS_DISCOVERY_LOGOUT_EN, pval); | |
1653 | ||
1654 | len = sprintf(buf, "%s\n", pval); | |
1655 | break; | |
1656 | case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN: | |
1657 | OP_STATE(ha->ip_config.iscsi_options, | |
1658 | ISCSIOPTS_STRICT_LOGIN_COMP_EN, pval); | |
1659 | ||
1660 | len = sprintf(buf, "%s\n", pval); | |
1661 | break; | |
1662 | case ISCSI_IFACE_PARAM_INITIATOR_NAME: | |
1663 | len = sprintf(buf, "%s\n", ha->ip_config.iscsi_name); | |
1664 | break; | |
1665 | default: | |
1666 | len = -ENOSYS; | |
1667 | } | |
ed1086e0 VC |
1668 | } |
1669 | ||
1670 | return len; | |
1671 | } | |
1672 | ||
b3a271a9 MR |
1673 | static struct iscsi_endpoint * |
1674 | qla4xxx_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr, | |
1675 | int non_blocking) | |
5c656af7 | 1676 | { |
b3a271a9 MR |
1677 | int ret; |
1678 | struct iscsi_endpoint *ep; | |
1679 | struct qla_endpoint *qla_ep; | |
1680 | struct scsi_qla_host *ha; | |
1681 | struct sockaddr_in *addr; | |
1682 | struct sockaddr_in6 *addr6; | |
5c656af7 | 1683 | |
b3a271a9 MR |
1684 | if (!shost) { |
1685 | ret = -ENXIO; | |
c343c5e0 | 1686 | pr_err("%s: shost is NULL\n", __func__); |
b3a271a9 MR |
1687 | return ERR_PTR(ret); |
1688 | } | |
5c656af7 | 1689 | |
b3a271a9 | 1690 | ha = iscsi_host_priv(shost); |
b3a271a9 MR |
1691 | ep = iscsi_create_endpoint(sizeof(struct qla_endpoint)); |
1692 | if (!ep) { | |
1693 | ret = -ENOMEM; | |
1694 | return ERR_PTR(ret); | |
1695 | } | |
1696 | ||
1697 | qla_ep = ep->dd_data; | |
1698 | memset(qla_ep, 0, sizeof(struct qla_endpoint)); | |
1699 | if (dst_addr->sa_family == AF_INET) { | |
1700 | memcpy(&qla_ep->dst_addr, dst_addr, sizeof(struct sockaddr_in)); | |
1701 | addr = (struct sockaddr_in *)&qla_ep->dst_addr; | |
1702 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI4\n", __func__, | |
1703 | (char *)&addr->sin_addr)); | |
1704 | } else if (dst_addr->sa_family == AF_INET6) { | |
1705 | memcpy(&qla_ep->dst_addr, dst_addr, | |
1706 | sizeof(struct sockaddr_in6)); | |
1707 | addr6 = (struct sockaddr_in6 *)&qla_ep->dst_addr; | |
1708 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI6\n", __func__, | |
1709 | (char *)&addr6->sin6_addr)); | |
c343c5e0 VC |
1710 | } else { |
1711 | ql4_printk(KERN_WARNING, ha, "%s: Invalid endpoint\n", | |
1712 | __func__); | |
b3a271a9 MR |
1713 | } |
1714 | ||
1715 | qla_ep->host = shost; | |
1716 | ||
1717 | return ep; | |
5c656af7 MC |
1718 | } |
1719 | ||
b3a271a9 | 1720 | static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms) |
afaf5a2d | 1721 | { |
b3a271a9 MR |
1722 | struct qla_endpoint *qla_ep; |
1723 | struct scsi_qla_host *ha; | |
1724 | int ret = 0; | |
afaf5a2d | 1725 | |
b3a271a9 MR |
1726 | qla_ep = ep->dd_data; |
1727 | ha = to_qla_host(qla_ep->host); | |
c343c5e0 | 1728 | DEBUG2(pr_info_ratelimited("%s: host: %ld\n", __func__, ha->host_no)); |
b3a271a9 | 1729 | |
13483730 | 1730 | if (adapter_up(ha) && !test_bit(AF_BUILD_DDB_LIST, &ha->flags)) |
b3a271a9 MR |
1731 | ret = 1; |
1732 | ||
1733 | return ret; | |
1734 | } | |
1735 | ||
1736 | static void qla4xxx_ep_disconnect(struct iscsi_endpoint *ep) | |
1737 | { | |
c343c5e0 VC |
1738 | struct qla_endpoint *qla_ep; |
1739 | struct scsi_qla_host *ha; | |
1740 | ||
1741 | qla_ep = ep->dd_data; | |
1742 | ha = to_qla_host(qla_ep->host); | |
1743 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__, | |
1744 | ha->host_no)); | |
b3a271a9 MR |
1745 | iscsi_destroy_endpoint(ep); |
1746 | } | |
1747 | ||
1748 | static int qla4xxx_get_ep_param(struct iscsi_endpoint *ep, | |
1749 | enum iscsi_param param, | |
1750 | char *buf) | |
1751 | { | |
1752 | struct qla_endpoint *qla_ep = ep->dd_data; | |
1753 | struct sockaddr *dst_addr; | |
c343c5e0 | 1754 | struct scsi_qla_host *ha; |
b3a271a9 | 1755 | |
73597bdd AC |
1756 | if (!qla_ep) |
1757 | return -ENOTCONN; | |
1758 | ||
c343c5e0 VC |
1759 | ha = to_qla_host(qla_ep->host); |
1760 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__, | |
1761 | ha->host_no)); | |
b3a271a9 MR |
1762 | |
1763 | switch (param) { | |
1764 | case ISCSI_PARAM_CONN_PORT: | |
1765 | case ISCSI_PARAM_CONN_ADDRESS: | |
b3a271a9 MR |
1766 | dst_addr = (struct sockaddr *)&qla_ep->dst_addr; |
1767 | if (!dst_addr) | |
1768 | return -ENOTCONN; | |
1769 | ||
1770 | return iscsi_conn_get_addr_param((struct sockaddr_storage *) | |
1771 | &qla_ep->dst_addr, param, buf); | |
1772 | default: | |
1773 | return -ENOSYS; | |
1774 | } | |
1775 | } | |
1776 | ||
1777 | static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn, | |
1778 | struct iscsi_stats *stats) | |
1779 | { | |
1780 | struct iscsi_session *sess; | |
1781 | struct iscsi_cls_session *cls_sess; | |
1782 | struct ddb_entry *ddb_entry; | |
1783 | struct scsi_qla_host *ha; | |
1784 | struct ql_iscsi_stats *ql_iscsi_stats; | |
1785 | int stats_size; | |
1786 | int ret; | |
1787 | dma_addr_t iscsi_stats_dma; | |
1788 | ||
b3a271a9 MR |
1789 | cls_sess = iscsi_conn_to_session(cls_conn); |
1790 | sess = cls_sess->dd_data; | |
1791 | ddb_entry = sess->dd_data; | |
1792 | ha = ddb_entry->ha; | |
1793 | ||
c343c5e0 VC |
1794 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__, |
1795 | ha->host_no)); | |
b3a271a9 MR |
1796 | stats_size = PAGE_ALIGN(sizeof(struct ql_iscsi_stats)); |
1797 | /* Allocate memory */ | |
1798 | ql_iscsi_stats = dma_alloc_coherent(&ha->pdev->dev, stats_size, | |
1799 | &iscsi_stats_dma, GFP_KERNEL); | |
1800 | if (!ql_iscsi_stats) { | |
1801 | ql4_printk(KERN_ERR, ha, | |
1802 | "Unable to allocate memory for iscsi stats\n"); | |
1803 | goto exit_get_stats; | |
568d303b | 1804 | } |
b3a271a9 MR |
1805 | |
1806 | ret = qla4xxx_get_mgmt_data(ha, ddb_entry->fw_ddb_index, stats_size, | |
1807 | iscsi_stats_dma); | |
1808 | if (ret != QLA_SUCCESS) { | |
1809 | ql4_printk(KERN_ERR, ha, | |
59e13d48 | 1810 | "Unable to retrieve iscsi stats\n"); |
b3a271a9 MR |
1811 | goto free_stats; |
1812 | } | |
1813 | ||
1814 | /* octets */ | |
1815 | stats->txdata_octets = le64_to_cpu(ql_iscsi_stats->tx_data_octets); | |
1816 | stats->rxdata_octets = le64_to_cpu(ql_iscsi_stats->rx_data_octets); | |
1817 | /* xmit pdus */ | |
1818 | stats->noptx_pdus = le32_to_cpu(ql_iscsi_stats->tx_nopout_pdus); | |
1819 | stats->scsicmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_cmd_pdus); | |
1820 | stats->tmfcmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_tmf_cmd_pdus); | |
1821 | stats->login_pdus = le32_to_cpu(ql_iscsi_stats->tx_login_cmd_pdus); | |
1822 | stats->text_pdus = le32_to_cpu(ql_iscsi_stats->tx_text_cmd_pdus); | |
1823 | stats->dataout_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_write_pdus); | |
1824 | stats->logout_pdus = le32_to_cpu(ql_iscsi_stats->tx_logout_cmd_pdus); | |
1825 | stats->snack_pdus = le32_to_cpu(ql_iscsi_stats->tx_snack_req_pdus); | |
1826 | /* recv pdus */ | |
1827 | stats->noprx_pdus = le32_to_cpu(ql_iscsi_stats->rx_nopin_pdus); | |
1828 | stats->scsirsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_resp_pdus); | |
1829 | stats->tmfrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_tmf_resp_pdus); | |
1830 | stats->textrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_text_resp_pdus); | |
1831 | stats->datain_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_read_pdus); | |
1832 | stats->logoutrsp_pdus = | |
1833 | le32_to_cpu(ql_iscsi_stats->rx_logout_resp_pdus); | |
1834 | stats->r2t_pdus = le32_to_cpu(ql_iscsi_stats->rx_r2t_pdus); | |
1835 | stats->async_pdus = le32_to_cpu(ql_iscsi_stats->rx_async_pdus); | |
1836 | stats->rjt_pdus = le32_to_cpu(ql_iscsi_stats->rx_reject_pdus); | |
1837 | ||
1838 | free_stats: | |
1839 | dma_free_coherent(&ha->pdev->dev, stats_size, ql_iscsi_stats, | |
1840 | iscsi_stats_dma); | |
1841 | exit_get_stats: | |
1842 | return; | |
1843 | } | |
1844 | ||
1845 | static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc) | |
1846 | { | |
1847 | struct iscsi_cls_session *session; | |
1848 | struct iscsi_session *sess; | |
1849 | unsigned long flags; | |
6600593c | 1850 | enum blk_eh_timer_return ret = BLK_EH_DONE; |
b3a271a9 MR |
1851 | |
1852 | session = starget_to_session(scsi_target(sc->device)); | |
1853 | sess = session->dd_data; | |
1854 | ||
1855 | spin_lock_irqsave(&session->lock, flags); | |
1856 | if (session->state == ISCSI_SESSION_FAILED) | |
1857 | ret = BLK_EH_RESET_TIMER; | |
1858 | spin_unlock_irqrestore(&session->lock, flags); | |
1859 | ||
1860 | return ret; | |
afaf5a2d DS |
1861 | } |
1862 | ||
3254dbe9 VC |
1863 | static void qla4xxx_set_port_speed(struct Scsi_Host *shost) |
1864 | { | |
1865 | struct scsi_qla_host *ha = to_qla_host(shost); | |
e16d166e | 1866 | struct iscsi_cls_host *ihost = shost->shost_data; |
3254dbe9 VC |
1867 | uint32_t speed = ISCSI_PORT_SPEED_UNKNOWN; |
1868 | ||
1869 | qla4xxx_get_firmware_state(ha); | |
1870 | ||
1871 | switch (ha->addl_fw_state & 0x0F00) { | |
1872 | case FW_ADDSTATE_LINK_SPEED_10MBPS: | |
1873 | speed = ISCSI_PORT_SPEED_10MBPS; | |
1874 | break; | |
1875 | case FW_ADDSTATE_LINK_SPEED_100MBPS: | |
1876 | speed = ISCSI_PORT_SPEED_100MBPS; | |
1877 | break; | |
1878 | case FW_ADDSTATE_LINK_SPEED_1GBPS: | |
1879 | speed = ISCSI_PORT_SPEED_1GBPS; | |
1880 | break; | |
1881 | case FW_ADDSTATE_LINK_SPEED_10GBPS: | |
1882 | speed = ISCSI_PORT_SPEED_10GBPS; | |
1883 | break; | |
1884 | } | |
1885 | ihost->port_speed = speed; | |
1886 | } | |
1887 | ||
1888 | static void qla4xxx_set_port_state(struct Scsi_Host *shost) | |
1889 | { | |
1890 | struct scsi_qla_host *ha = to_qla_host(shost); | |
e16d166e | 1891 | struct iscsi_cls_host *ihost = shost->shost_data; |
3254dbe9 VC |
1892 | uint32_t state = ISCSI_PORT_STATE_DOWN; |
1893 | ||
1894 | if (test_bit(AF_LINK_UP, &ha->flags)) | |
1895 | state = ISCSI_PORT_STATE_UP; | |
1896 | ||
1897 | ihost->port_state = state; | |
1898 | } | |
1899 | ||
aa1e93a2 MC |
1900 | static int qla4xxx_host_get_param(struct Scsi_Host *shost, |
1901 | enum iscsi_host_param param, char *buf) | |
1902 | { | |
1903 | struct scsi_qla_host *ha = to_qla_host(shost); | |
1904 | int len; | |
1905 | ||
1906 | switch (param) { | |
1907 | case ISCSI_HOST_PARAM_HWADDRESS: | |
7ffc49a6 | 1908 | len = sysfs_format_mac(buf, ha->my_mac, MAC_ADDR_LEN); |
8ad5781a | 1909 | break; |
22236961 | 1910 | case ISCSI_HOST_PARAM_IPADDRESS: |
2bab08fc | 1911 | len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address); |
22236961 | 1912 | break; |
8ad5781a | 1913 | case ISCSI_HOST_PARAM_INITIATOR_NAME: |
22236961 | 1914 | len = sprintf(buf, "%s\n", ha->name_string); |
aa1e93a2 | 1915 | break; |
3254dbe9 VC |
1916 | case ISCSI_HOST_PARAM_PORT_STATE: |
1917 | qla4xxx_set_port_state(shost); | |
1918 | len = sprintf(buf, "%s\n", iscsi_get_port_state_name(shost)); | |
1919 | break; | |
1920 | case ISCSI_HOST_PARAM_PORT_SPEED: | |
1921 | qla4xxx_set_port_speed(shost); | |
1922 | len = sprintf(buf, "%s\n", iscsi_get_port_speed_name(shost)); | |
1923 | break; | |
aa1e93a2 MC |
1924 | default: |
1925 | return -ENOSYS; | |
1926 | } | |
1927 | ||
1928 | return len; | |
1929 | } | |
1930 | ||
ed1086e0 VC |
1931 | static void qla4xxx_create_ipv4_iface(struct scsi_qla_host *ha) |
1932 | { | |
1933 | if (ha->iface_ipv4) | |
1934 | return; | |
1935 | ||
1936 | /* IPv4 */ | |
1937 | ha->iface_ipv4 = iscsi_create_iface(ha->host, | |
1938 | &qla4xxx_iscsi_transport, | |
1939 | ISCSI_IFACE_TYPE_IPV4, 0, 0); | |
1940 | if (!ha->iface_ipv4) | |
1941 | ql4_printk(KERN_ERR, ha, "Could not create IPv4 iSCSI " | |
1942 | "iface0.\n"); | |
1943 | } | |
1944 | ||
1945 | static void qla4xxx_create_ipv6_iface(struct scsi_qla_host *ha) | |
1946 | { | |
1947 | if (!ha->iface_ipv6_0) | |
1948 | /* IPv6 iface-0 */ | |
1949 | ha->iface_ipv6_0 = iscsi_create_iface(ha->host, | |
1950 | &qla4xxx_iscsi_transport, | |
1951 | ISCSI_IFACE_TYPE_IPV6, 0, | |
1952 | 0); | |
1953 | if (!ha->iface_ipv6_0) | |
1954 | ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI " | |
1955 | "iface0.\n"); | |
1956 | ||
1957 | if (!ha->iface_ipv6_1) | |
1958 | /* IPv6 iface-1 */ | |
1959 | ha->iface_ipv6_1 = iscsi_create_iface(ha->host, | |
1960 | &qla4xxx_iscsi_transport, | |
1961 | ISCSI_IFACE_TYPE_IPV6, 1, | |
1962 | 0); | |
1963 | if (!ha->iface_ipv6_1) | |
1964 | ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI " | |
1965 | "iface1.\n"); | |
1966 | } | |
1967 | ||
1968 | static void qla4xxx_create_ifaces(struct scsi_qla_host *ha) | |
1969 | { | |
1970 | if (ha->ip_config.ipv4_options & IPOPT_IPV4_PROTOCOL_ENABLE) | |
1971 | qla4xxx_create_ipv4_iface(ha); | |
1972 | ||
1973 | if (ha->ip_config.ipv6_options & IPV6_OPT_IPV6_PROTOCOL_ENABLE) | |
1974 | qla4xxx_create_ipv6_iface(ha); | |
1975 | } | |
1976 | ||
1977 | static void qla4xxx_destroy_ipv4_iface(struct scsi_qla_host *ha) | |
1978 | { | |
1979 | if (ha->iface_ipv4) { | |
1980 | iscsi_destroy_iface(ha->iface_ipv4); | |
1981 | ha->iface_ipv4 = NULL; | |
1982 | } | |
1983 | } | |
1984 | ||
1985 | static void qla4xxx_destroy_ipv6_iface(struct scsi_qla_host *ha) | |
1986 | { | |
1987 | if (ha->iface_ipv6_0) { | |
1988 | iscsi_destroy_iface(ha->iface_ipv6_0); | |
1989 | ha->iface_ipv6_0 = NULL; | |
1990 | } | |
1991 | if (ha->iface_ipv6_1) { | |
1992 | iscsi_destroy_iface(ha->iface_ipv6_1); | |
1993 | ha->iface_ipv6_1 = NULL; | |
1994 | } | |
1995 | } | |
1996 | ||
1997 | static void qla4xxx_destroy_ifaces(struct scsi_qla_host *ha) | |
1998 | { | |
1999 | qla4xxx_destroy_ipv4_iface(ha); | |
2000 | qla4xxx_destroy_ipv6_iface(ha); | |
2001 | } | |
2002 | ||
d00efe3f MC |
2003 | static void qla4xxx_set_ipv6(struct scsi_qla_host *ha, |
2004 | struct iscsi_iface_param_info *iface_param, | |
2005 | struct addr_ctrl_blk *init_fw_cb) | |
2006 | { | |
2007 | /* | |
2008 | * iface_num 0 is valid for IPv6 Addr, linklocal, router, autocfg. | |
2009 | * iface_num 1 is valid only for IPv6 Addr. | |
2010 | */ | |
2011 | switch (iface_param->param) { | |
2012 | case ISCSI_NET_PARAM_IPV6_ADDR: | |
2013 | if (iface_param->iface_num & 0x1) | |
2014 | /* IPv6 Addr 1 */ | |
2015 | memcpy(init_fw_cb->ipv6_addr1, iface_param->value, | |
2016 | sizeof(init_fw_cb->ipv6_addr1)); | |
2017 | else | |
2018 | /* IPv6 Addr 0 */ | |
2019 | memcpy(init_fw_cb->ipv6_addr0, iface_param->value, | |
2020 | sizeof(init_fw_cb->ipv6_addr0)); | |
2021 | break; | |
2022 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL: | |
2023 | if (iface_param->iface_num & 0x1) | |
2024 | break; | |
2025 | memcpy(init_fw_cb->ipv6_if_id, &iface_param->value[8], | |
2026 | sizeof(init_fw_cb->ipv6_if_id)); | |
2027 | break; | |
2028 | case ISCSI_NET_PARAM_IPV6_ROUTER: | |
2029 | if (iface_param->iface_num & 0x1) | |
2030 | break; | |
2031 | memcpy(init_fw_cb->ipv6_dflt_rtr_addr, iface_param->value, | |
2032 | sizeof(init_fw_cb->ipv6_dflt_rtr_addr)); | |
2033 | break; | |
2034 | case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: | |
2035 | /* Autocfg applies to even interface */ | |
2036 | if (iface_param->iface_num & 0x1) | |
2037 | break; | |
2038 | ||
2039 | if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_DISABLE) | |
2040 | init_fw_cb->ipv6_addtl_opts &= | |
2041 | cpu_to_le16( | |
2042 | ~IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE); | |
2043 | else if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_ND_ENABLE) | |
2044 | init_fw_cb->ipv6_addtl_opts |= | |
2045 | cpu_to_le16( | |
2046 | IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE); | |
2047 | else | |
f8e93412 HZ |
2048 | ql4_printk(KERN_ERR, ha, |
2049 | "Invalid autocfg setting for IPv6 addr\n"); | |
d00efe3f MC |
2050 | break; |
2051 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: | |
2052 | /* Autocfg applies to even interface */ | |
2053 | if (iface_param->iface_num & 0x1) | |
2054 | break; | |
2055 | ||
2056 | if (iface_param->value[0] == | |
2057 | ISCSI_IPV6_LINKLOCAL_AUTOCFG_ENABLE) | |
2058 | init_fw_cb->ipv6_addtl_opts |= cpu_to_le16( | |
2059 | IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR); | |
2060 | else if (iface_param->value[0] == | |
2061 | ISCSI_IPV6_LINKLOCAL_AUTOCFG_DISABLE) | |
2062 | init_fw_cb->ipv6_addtl_opts &= cpu_to_le16( | |
2063 | ~IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR); | |
2064 | else | |
f8e93412 HZ |
2065 | ql4_printk(KERN_ERR, ha, |
2066 | "Invalid autocfg setting for IPv6 linklocal addr\n"); | |
d00efe3f MC |
2067 | break; |
2068 | case ISCSI_NET_PARAM_IPV6_ROUTER_AUTOCFG: | |
2069 | /* Autocfg applies to even interface */ | |
2070 | if (iface_param->iface_num & 0x1) | |
2071 | break; | |
2072 | ||
2073 | if (iface_param->value[0] == ISCSI_IPV6_ROUTER_AUTOCFG_ENABLE) | |
2074 | memset(init_fw_cb->ipv6_dflt_rtr_addr, 0, | |
2075 | sizeof(init_fw_cb->ipv6_dflt_rtr_addr)); | |
2076 | break; | |
2077 | case ISCSI_NET_PARAM_IFACE_ENABLE: | |
ed1086e0 | 2078 | if (iface_param->value[0] == ISCSI_IFACE_ENABLE) { |
d00efe3f MC |
2079 | init_fw_cb->ipv6_opts |= |
2080 | cpu_to_le16(IPV6_OPT_IPV6_PROTOCOL_ENABLE); | |
ed1086e0 VC |
2081 | qla4xxx_create_ipv6_iface(ha); |
2082 | } else { | |
d00efe3f MC |
2083 | init_fw_cb->ipv6_opts &= |
2084 | cpu_to_le16(~IPV6_OPT_IPV6_PROTOCOL_ENABLE & | |
2085 | 0xFFFF); | |
ed1086e0 VC |
2086 | qla4xxx_destroy_ipv6_iface(ha); |
2087 | } | |
d00efe3f | 2088 | break; |
2d63673b | 2089 | case ISCSI_NET_PARAM_VLAN_TAG: |
d00efe3f MC |
2090 | if (iface_param->len != sizeof(init_fw_cb->ipv6_vlan_tag)) |
2091 | break; | |
6ac73e8c VC |
2092 | init_fw_cb->ipv6_vlan_tag = |
2093 | cpu_to_be16(*(uint16_t *)iface_param->value); | |
2094 | break; | |
2095 | case ISCSI_NET_PARAM_VLAN_ENABLED: | |
2096 | if (iface_param->value[0] == ISCSI_VLAN_ENABLE) | |
2097 | init_fw_cb->ipv6_opts |= | |
2098 | cpu_to_le16(IPV6_OPT_VLAN_TAGGING_ENABLE); | |
2099 | else | |
2100 | init_fw_cb->ipv6_opts &= | |
2101 | cpu_to_le16(~IPV6_OPT_VLAN_TAGGING_ENABLE); | |
d00efe3f | 2102 | break; |
943c157b VC |
2103 | case ISCSI_NET_PARAM_MTU: |
2104 | init_fw_cb->eth_mtu_size = | |
2105 | cpu_to_le16(*(uint16_t *)iface_param->value); | |
2106 | break; | |
2ada7fc5 VC |
2107 | case ISCSI_NET_PARAM_PORT: |
2108 | /* Autocfg applies to even interface */ | |
2109 | if (iface_param->iface_num & 0x1) | |
2110 | break; | |
2111 | ||
2112 | init_fw_cb->ipv6_port = | |
2113 | cpu_to_le16(*(uint16_t *)iface_param->value); | |
2114 | break; | |
f8e93412 HZ |
2115 | case ISCSI_NET_PARAM_DELAYED_ACK_EN: |
2116 | if (iface_param->iface_num & 0x1) | |
2117 | break; | |
2118 | if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) | |
2119 | init_fw_cb->ipv6_tcp_opts |= | |
2120 | cpu_to_le16(IPV6_TCPOPT_DELAYED_ACK_DISABLE); | |
2121 | else | |
2122 | init_fw_cb->ipv6_tcp_opts &= | |
8f10872a VC |
2123 | cpu_to_le16(~IPV6_TCPOPT_DELAYED_ACK_DISABLE & |
2124 | 0xFFFF); | |
f8e93412 HZ |
2125 | break; |
2126 | case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE: | |
2127 | if (iface_param->iface_num & 0x1) | |
2128 | break; | |
2129 | if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) | |
2130 | init_fw_cb->ipv6_tcp_opts |= | |
2131 | cpu_to_le16(IPV6_TCPOPT_NAGLE_ALGO_DISABLE); | |
2132 | else | |
2133 | init_fw_cb->ipv6_tcp_opts &= | |
2134 | cpu_to_le16(~IPV6_TCPOPT_NAGLE_ALGO_DISABLE); | |
2135 | break; | |
2136 | case ISCSI_NET_PARAM_TCP_WSF_DISABLE: | |
2137 | if (iface_param->iface_num & 0x1) | |
2138 | break; | |
2139 | if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) | |
2140 | init_fw_cb->ipv6_tcp_opts |= | |
2141 | cpu_to_le16(IPV6_TCPOPT_WINDOW_SCALE_DISABLE); | |
2142 | else | |
2143 | init_fw_cb->ipv6_tcp_opts &= | |
2144 | cpu_to_le16(~IPV6_TCPOPT_WINDOW_SCALE_DISABLE); | |
2145 | break; | |
2146 | case ISCSI_NET_PARAM_TCP_WSF: | |
2147 | if (iface_param->iface_num & 0x1) | |
2148 | break; | |
2149 | init_fw_cb->ipv6_tcp_wsf = iface_param->value[0]; | |
2150 | break; | |
2151 | case ISCSI_NET_PARAM_TCP_TIMER_SCALE: | |
2152 | if (iface_param->iface_num & 0x1) | |
2153 | break; | |
2154 | init_fw_cb->ipv6_tcp_opts &= | |
2155 | cpu_to_le16(~IPV6_TCPOPT_TIMER_SCALE); | |
2156 | init_fw_cb->ipv6_tcp_opts |= | |
2157 | cpu_to_le16((iface_param->value[0] << 1) & | |
2158 | IPV6_TCPOPT_TIMER_SCALE); | |
2159 | break; | |
2160 | case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN: | |
2161 | if (iface_param->iface_num & 0x1) | |
2162 | break; | |
2163 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2164 | init_fw_cb->ipv6_tcp_opts |= | |
2165 | cpu_to_le16(IPV6_TCPOPT_TIMESTAMP_EN); | |
2166 | else | |
2167 | init_fw_cb->ipv6_tcp_opts &= | |
2168 | cpu_to_le16(~IPV6_TCPOPT_TIMESTAMP_EN); | |
2169 | break; | |
2170 | case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN: | |
2171 | if (iface_param->iface_num & 0x1) | |
2172 | break; | |
2173 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2174 | init_fw_cb->ipv6_opts |= | |
2175 | cpu_to_le16(IPV6_OPT_GRAT_NEIGHBOR_ADV_EN); | |
2176 | else | |
2177 | init_fw_cb->ipv6_opts &= | |
2178 | cpu_to_le16(~IPV6_OPT_GRAT_NEIGHBOR_ADV_EN); | |
2179 | break; | |
2180 | case ISCSI_NET_PARAM_REDIRECT_EN: | |
2181 | if (iface_param->iface_num & 0x1) | |
2182 | break; | |
2183 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2184 | init_fw_cb->ipv6_opts |= | |
2185 | cpu_to_le16(IPV6_OPT_REDIRECT_EN); | |
2186 | else | |
2187 | init_fw_cb->ipv6_opts &= | |
2188 | cpu_to_le16(~IPV6_OPT_REDIRECT_EN); | |
2189 | break; | |
2190 | case ISCSI_NET_PARAM_IPV6_MLD_EN: | |
2191 | if (iface_param->iface_num & 0x1) | |
2192 | break; | |
2193 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2194 | init_fw_cb->ipv6_addtl_opts |= | |
2195 | cpu_to_le16(IPV6_ADDOPT_MLD_EN); | |
2196 | else | |
2197 | init_fw_cb->ipv6_addtl_opts &= | |
2198 | cpu_to_le16(~IPV6_ADDOPT_MLD_EN); | |
2199 | break; | |
2200 | case ISCSI_NET_PARAM_IPV6_FLOW_LABEL: | |
2201 | if (iface_param->iface_num & 0x1) | |
2202 | break; | |
2203 | init_fw_cb->ipv6_flow_lbl = | |
2204 | cpu_to_le16(*(uint16_t *)iface_param->value); | |
2205 | break; | |
2206 | case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS: | |
2207 | if (iface_param->iface_num & 0x1) | |
2208 | break; | |
2209 | init_fw_cb->ipv6_traffic_class = iface_param->value[0]; | |
2210 | break; | |
2211 | case ISCSI_NET_PARAM_IPV6_HOP_LIMIT: | |
2212 | if (iface_param->iface_num & 0x1) | |
2213 | break; | |
2214 | init_fw_cb->ipv6_hop_limit = iface_param->value[0]; | |
2215 | break; | |
2216 | case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO: | |
2217 | if (iface_param->iface_num & 0x1) | |
2218 | break; | |
2219 | init_fw_cb->ipv6_nd_reach_time = | |
2220 | cpu_to_le32(*(uint32_t *)iface_param->value); | |
2221 | break; | |
2222 | case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME: | |
2223 | if (iface_param->iface_num & 0x1) | |
2224 | break; | |
2225 | init_fw_cb->ipv6_nd_rexmit_timer = | |
2226 | cpu_to_le32(*(uint32_t *)iface_param->value); | |
2227 | break; | |
2228 | case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO: | |
2229 | if (iface_param->iface_num & 0x1) | |
2230 | break; | |
2231 | init_fw_cb->ipv6_nd_stale_timeout = | |
2232 | cpu_to_le32(*(uint32_t *)iface_param->value); | |
2233 | break; | |
2234 | case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT: | |
2235 | if (iface_param->iface_num & 0x1) | |
2236 | break; | |
2237 | init_fw_cb->ipv6_dup_addr_detect_count = iface_param->value[0]; | |
2238 | break; | |
2239 | case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU: | |
2240 | if (iface_param->iface_num & 0x1) | |
2241 | break; | |
2242 | init_fw_cb->ipv6_gw_advrt_mtu = | |
2243 | cpu_to_le32(*(uint32_t *)iface_param->value); | |
2244 | break; | |
d00efe3f MC |
2245 | default: |
2246 | ql4_printk(KERN_ERR, ha, "Unknown IPv6 param = %d\n", | |
2247 | iface_param->param); | |
2248 | break; | |
2249 | } | |
2250 | } | |
2251 | ||
2252 | static void qla4xxx_set_ipv4(struct scsi_qla_host *ha, | |
2253 | struct iscsi_iface_param_info *iface_param, | |
2254 | struct addr_ctrl_blk *init_fw_cb) | |
2255 | { | |
2256 | switch (iface_param->param) { | |
2257 | case ISCSI_NET_PARAM_IPV4_ADDR: | |
2258 | memcpy(init_fw_cb->ipv4_addr, iface_param->value, | |
2259 | sizeof(init_fw_cb->ipv4_addr)); | |
2260 | break; | |
2261 | case ISCSI_NET_PARAM_IPV4_SUBNET: | |
2262 | memcpy(init_fw_cb->ipv4_subnet, iface_param->value, | |
2263 | sizeof(init_fw_cb->ipv4_subnet)); | |
2264 | break; | |
2265 | case ISCSI_NET_PARAM_IPV4_GW: | |
2266 | memcpy(init_fw_cb->ipv4_gw_addr, iface_param->value, | |
2267 | sizeof(init_fw_cb->ipv4_gw_addr)); | |
2268 | break; | |
2269 | case ISCSI_NET_PARAM_IPV4_BOOTPROTO: | |
2270 | if (iface_param->value[0] == ISCSI_BOOTPROTO_DHCP) | |
2271 | init_fw_cb->ipv4_tcp_opts |= | |
2272 | cpu_to_le16(TCPOPT_DHCP_ENABLE); | |
2273 | else if (iface_param->value[0] == ISCSI_BOOTPROTO_STATIC) | |
2274 | init_fw_cb->ipv4_tcp_opts &= | |
2275 | cpu_to_le16(~TCPOPT_DHCP_ENABLE); | |
2276 | else | |
2277 | ql4_printk(KERN_ERR, ha, "Invalid IPv4 bootproto\n"); | |
2278 | break; | |
2279 | case ISCSI_NET_PARAM_IFACE_ENABLE: | |
ed1086e0 | 2280 | if (iface_param->value[0] == ISCSI_IFACE_ENABLE) { |
d00efe3f | 2281 | init_fw_cb->ipv4_ip_opts |= |
2bab08fc | 2282 | cpu_to_le16(IPOPT_IPV4_PROTOCOL_ENABLE); |
ed1086e0 VC |
2283 | qla4xxx_create_ipv4_iface(ha); |
2284 | } else { | |
d00efe3f | 2285 | init_fw_cb->ipv4_ip_opts &= |
2bab08fc | 2286 | cpu_to_le16(~IPOPT_IPV4_PROTOCOL_ENABLE & |
d00efe3f | 2287 | 0xFFFF); |
ed1086e0 VC |
2288 | qla4xxx_destroy_ipv4_iface(ha); |
2289 | } | |
d00efe3f | 2290 | break; |
2d63673b | 2291 | case ISCSI_NET_PARAM_VLAN_TAG: |
d00efe3f MC |
2292 | if (iface_param->len != sizeof(init_fw_cb->ipv4_vlan_tag)) |
2293 | break; | |
6ac73e8c VC |
2294 | init_fw_cb->ipv4_vlan_tag = |
2295 | cpu_to_be16(*(uint16_t *)iface_param->value); | |
2296 | break; | |
2297 | case ISCSI_NET_PARAM_VLAN_ENABLED: | |
2298 | if (iface_param->value[0] == ISCSI_VLAN_ENABLE) | |
2299 | init_fw_cb->ipv4_ip_opts |= | |
2300 | cpu_to_le16(IPOPT_VLAN_TAGGING_ENABLE); | |
2301 | else | |
2302 | init_fw_cb->ipv4_ip_opts &= | |
2303 | cpu_to_le16(~IPOPT_VLAN_TAGGING_ENABLE); | |
d00efe3f | 2304 | break; |
943c157b VC |
2305 | case ISCSI_NET_PARAM_MTU: |
2306 | init_fw_cb->eth_mtu_size = | |
2307 | cpu_to_le16(*(uint16_t *)iface_param->value); | |
2308 | break; | |
2ada7fc5 VC |
2309 | case ISCSI_NET_PARAM_PORT: |
2310 | init_fw_cb->ipv4_port = | |
2311 | cpu_to_le16(*(uint16_t *)iface_param->value); | |
2312 | break; | |
f8e93412 HZ |
2313 | case ISCSI_NET_PARAM_DELAYED_ACK_EN: |
2314 | if (iface_param->iface_num & 0x1) | |
2315 | break; | |
2316 | if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) | |
2317 | init_fw_cb->ipv4_tcp_opts |= | |
2318 | cpu_to_le16(TCPOPT_DELAYED_ACK_DISABLE); | |
2319 | else | |
2320 | init_fw_cb->ipv4_tcp_opts &= | |
8f10872a VC |
2321 | cpu_to_le16(~TCPOPT_DELAYED_ACK_DISABLE & |
2322 | 0xFFFF); | |
f8e93412 HZ |
2323 | break; |
2324 | case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE: | |
2325 | if (iface_param->iface_num & 0x1) | |
2326 | break; | |
2327 | if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) | |
2328 | init_fw_cb->ipv4_tcp_opts |= | |
2329 | cpu_to_le16(TCPOPT_NAGLE_ALGO_DISABLE); | |
2330 | else | |
2331 | init_fw_cb->ipv4_tcp_opts &= | |
2332 | cpu_to_le16(~TCPOPT_NAGLE_ALGO_DISABLE); | |
2333 | break; | |
2334 | case ISCSI_NET_PARAM_TCP_WSF_DISABLE: | |
2335 | if (iface_param->iface_num & 0x1) | |
2336 | break; | |
2337 | if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) | |
2338 | init_fw_cb->ipv4_tcp_opts |= | |
2339 | cpu_to_le16(TCPOPT_WINDOW_SCALE_DISABLE); | |
2340 | else | |
2341 | init_fw_cb->ipv4_tcp_opts &= | |
2342 | cpu_to_le16(~TCPOPT_WINDOW_SCALE_DISABLE); | |
2343 | break; | |
2344 | case ISCSI_NET_PARAM_TCP_WSF: | |
2345 | if (iface_param->iface_num & 0x1) | |
2346 | break; | |
2347 | init_fw_cb->ipv4_tcp_wsf = iface_param->value[0]; | |
2348 | break; | |
2349 | case ISCSI_NET_PARAM_TCP_TIMER_SCALE: | |
2350 | if (iface_param->iface_num & 0x1) | |
2351 | break; | |
2352 | init_fw_cb->ipv4_tcp_opts &= cpu_to_le16(~TCPOPT_TIMER_SCALE); | |
2353 | init_fw_cb->ipv4_tcp_opts |= | |
2354 | cpu_to_le16((iface_param->value[0] << 1) & | |
2355 | TCPOPT_TIMER_SCALE); | |
2356 | break; | |
2357 | case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN: | |
2358 | if (iface_param->iface_num & 0x1) | |
2359 | break; | |
2360 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2361 | init_fw_cb->ipv4_tcp_opts |= | |
2362 | cpu_to_le16(TCPOPT_TIMESTAMP_ENABLE); | |
2363 | else | |
2364 | init_fw_cb->ipv4_tcp_opts &= | |
2365 | cpu_to_le16(~TCPOPT_TIMESTAMP_ENABLE); | |
2366 | break; | |
2367 | case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN: | |
2368 | if (iface_param->iface_num & 0x1) | |
2369 | break; | |
2370 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2371 | init_fw_cb->ipv4_tcp_opts |= | |
2372 | cpu_to_le16(TCPOPT_DNS_SERVER_IP_EN); | |
2373 | else | |
2374 | init_fw_cb->ipv4_tcp_opts &= | |
2375 | cpu_to_le16(~TCPOPT_DNS_SERVER_IP_EN); | |
2376 | break; | |
2377 | case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN: | |
2378 | if (iface_param->iface_num & 0x1) | |
2379 | break; | |
2380 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2381 | init_fw_cb->ipv4_tcp_opts |= | |
2382 | cpu_to_le16(TCPOPT_SLP_DA_INFO_EN); | |
2383 | else | |
2384 | init_fw_cb->ipv4_tcp_opts &= | |
2385 | cpu_to_le16(~TCPOPT_SLP_DA_INFO_EN); | |
2386 | break; | |
2387 | case ISCSI_NET_PARAM_IPV4_TOS_EN: | |
2388 | if (iface_param->iface_num & 0x1) | |
2389 | break; | |
2390 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2391 | init_fw_cb->ipv4_ip_opts |= | |
2392 | cpu_to_le16(IPOPT_IPV4_TOS_EN); | |
2393 | else | |
2394 | init_fw_cb->ipv4_ip_opts &= | |
2395 | cpu_to_le16(~IPOPT_IPV4_TOS_EN); | |
2396 | break; | |
2397 | case ISCSI_NET_PARAM_IPV4_TOS: | |
2398 | if (iface_param->iface_num & 0x1) | |
2399 | break; | |
2400 | init_fw_cb->ipv4_tos = iface_param->value[0]; | |
2401 | break; | |
2402 | case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN: | |
2403 | if (iface_param->iface_num & 0x1) | |
2404 | break; | |
2405 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2406 | init_fw_cb->ipv4_ip_opts |= | |
2407 | cpu_to_le16(IPOPT_GRAT_ARP_EN); | |
2408 | else | |
2409 | init_fw_cb->ipv4_ip_opts &= | |
2410 | cpu_to_le16(~IPOPT_GRAT_ARP_EN); | |
2411 | break; | |
2412 | case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN: | |
2413 | if (iface_param->iface_num & 0x1) | |
2414 | break; | |
2415 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2416 | init_fw_cb->ipv4_ip_opts |= | |
2417 | cpu_to_le16(IPOPT_ALT_CID_EN); | |
2418 | else | |
2419 | init_fw_cb->ipv4_ip_opts &= | |
2420 | cpu_to_le16(~IPOPT_ALT_CID_EN); | |
2421 | break; | |
2422 | case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID: | |
2423 | if (iface_param->iface_num & 0x1) | |
2424 | break; | |
2425 | memcpy(init_fw_cb->ipv4_dhcp_alt_cid, iface_param->value, | |
2426 | (sizeof(init_fw_cb->ipv4_dhcp_alt_cid) - 1)); | |
2427 | init_fw_cb->ipv4_dhcp_alt_cid_len = | |
2428 | strlen(init_fw_cb->ipv4_dhcp_alt_cid); | |
2429 | break; | |
2430 | case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN: | |
2431 | if (iface_param->iface_num & 0x1) | |
2432 | break; | |
2433 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2434 | init_fw_cb->ipv4_ip_opts |= | |
2435 | cpu_to_le16(IPOPT_REQ_VID_EN); | |
2436 | else | |
2437 | init_fw_cb->ipv4_ip_opts &= | |
2438 | cpu_to_le16(~IPOPT_REQ_VID_EN); | |
2439 | break; | |
2440 | case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN: | |
2441 | if (iface_param->iface_num & 0x1) | |
2442 | break; | |
2443 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2444 | init_fw_cb->ipv4_ip_opts |= | |
2445 | cpu_to_le16(IPOPT_USE_VID_EN); | |
2446 | else | |
2447 | init_fw_cb->ipv4_ip_opts &= | |
2448 | cpu_to_le16(~IPOPT_USE_VID_EN); | |
2449 | break; | |
2450 | case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID: | |
2451 | if (iface_param->iface_num & 0x1) | |
2452 | break; | |
2453 | memcpy(init_fw_cb->ipv4_dhcp_vid, iface_param->value, | |
2454 | (sizeof(init_fw_cb->ipv4_dhcp_vid) - 1)); | |
2455 | init_fw_cb->ipv4_dhcp_vid_len = | |
2456 | strlen(init_fw_cb->ipv4_dhcp_vid); | |
2457 | break; | |
2458 | case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN: | |
2459 | if (iface_param->iface_num & 0x1) | |
2460 | break; | |
2461 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2462 | init_fw_cb->ipv4_ip_opts |= | |
2463 | cpu_to_le16(IPOPT_LEARN_IQN_EN); | |
2464 | else | |
2465 | init_fw_cb->ipv4_ip_opts &= | |
2466 | cpu_to_le16(~IPOPT_LEARN_IQN_EN); | |
2467 | break; | |
2468 | case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE: | |
2469 | if (iface_param->iface_num & 0x1) | |
2470 | break; | |
2471 | if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) | |
2472 | init_fw_cb->ipv4_ip_opts |= | |
2473 | cpu_to_le16(IPOPT_FRAGMENTATION_DISABLE); | |
2474 | else | |
2475 | init_fw_cb->ipv4_ip_opts &= | |
2476 | cpu_to_le16(~IPOPT_FRAGMENTATION_DISABLE); | |
2477 | break; | |
2478 | case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN: | |
2479 | if (iface_param->iface_num & 0x1) | |
2480 | break; | |
2481 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2482 | init_fw_cb->ipv4_ip_opts |= | |
2483 | cpu_to_le16(IPOPT_IN_FORWARD_EN); | |
2484 | else | |
2485 | init_fw_cb->ipv4_ip_opts &= | |
2486 | cpu_to_le16(~IPOPT_IN_FORWARD_EN); | |
2487 | break; | |
2488 | case ISCSI_NET_PARAM_REDIRECT_EN: | |
2489 | if (iface_param->iface_num & 0x1) | |
2490 | break; | |
2491 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2492 | init_fw_cb->ipv4_ip_opts |= | |
2493 | cpu_to_le16(IPOPT_ARP_REDIRECT_EN); | |
2494 | else | |
2495 | init_fw_cb->ipv4_ip_opts &= | |
2496 | cpu_to_le16(~IPOPT_ARP_REDIRECT_EN); | |
2497 | break; | |
2498 | case ISCSI_NET_PARAM_IPV4_TTL: | |
2499 | if (iface_param->iface_num & 0x1) | |
2500 | break; | |
2501 | init_fw_cb->ipv4_ttl = iface_param->value[0]; | |
2502 | break; | |
d00efe3f MC |
2503 | default: |
2504 | ql4_printk(KERN_ERR, ha, "Unknown IPv4 param = %d\n", | |
2505 | iface_param->param); | |
2506 | break; | |
2507 | } | |
2508 | } | |
2509 | ||
f8e93412 HZ |
2510 | static void qla4xxx_set_iscsi_param(struct scsi_qla_host *ha, |
2511 | struct iscsi_iface_param_info *iface_param, | |
2512 | struct addr_ctrl_blk *init_fw_cb) | |
2513 | { | |
2514 | switch (iface_param->param) { | |
2515 | case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO: | |
2516 | if (iface_param->iface_num & 0x1) | |
2517 | break; | |
2518 | init_fw_cb->def_timeout = | |
2519 | cpu_to_le16(*(uint16_t *)iface_param->value); | |
2520 | break; | |
2521 | case ISCSI_IFACE_PARAM_HDRDGST_EN: | |
2522 | if (iface_param->iface_num & 0x1) | |
2523 | break; | |
2524 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2525 | init_fw_cb->iscsi_opts |= | |
2526 | cpu_to_le16(ISCSIOPTS_HEADER_DIGEST_EN); | |
2527 | else | |
2528 | init_fw_cb->iscsi_opts &= | |
2529 | cpu_to_le16(~ISCSIOPTS_HEADER_DIGEST_EN); | |
2530 | break; | |
2531 | case ISCSI_IFACE_PARAM_DATADGST_EN: | |
2532 | if (iface_param->iface_num & 0x1) | |
2533 | break; | |
2534 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2535 | init_fw_cb->iscsi_opts |= | |
2536 | cpu_to_le16(ISCSIOPTS_DATA_DIGEST_EN); | |
2537 | else | |
2538 | init_fw_cb->iscsi_opts &= | |
2539 | cpu_to_le16(~ISCSIOPTS_DATA_DIGEST_EN); | |
2540 | break; | |
2541 | case ISCSI_IFACE_PARAM_IMM_DATA_EN: | |
2542 | if (iface_param->iface_num & 0x1) | |
2543 | break; | |
2544 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2545 | init_fw_cb->iscsi_opts |= | |
2546 | cpu_to_le16(ISCSIOPTS_IMMEDIATE_DATA_EN); | |
2547 | else | |
2548 | init_fw_cb->iscsi_opts &= | |
2549 | cpu_to_le16(~ISCSIOPTS_IMMEDIATE_DATA_EN); | |
2550 | break; | |
2551 | case ISCSI_IFACE_PARAM_INITIAL_R2T_EN: | |
2552 | if (iface_param->iface_num & 0x1) | |
2553 | break; | |
2554 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2555 | init_fw_cb->iscsi_opts |= | |
2556 | cpu_to_le16(ISCSIOPTS_INITIAL_R2T_EN); | |
2557 | else | |
2558 | init_fw_cb->iscsi_opts &= | |
2559 | cpu_to_le16(~ISCSIOPTS_INITIAL_R2T_EN); | |
2560 | break; | |
2561 | case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN: | |
2562 | if (iface_param->iface_num & 0x1) | |
2563 | break; | |
2564 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2565 | init_fw_cb->iscsi_opts |= | |
2566 | cpu_to_le16(ISCSIOPTS_DATA_SEQ_INORDER_EN); | |
2567 | else | |
2568 | init_fw_cb->iscsi_opts &= | |
2569 | cpu_to_le16(~ISCSIOPTS_DATA_SEQ_INORDER_EN); | |
2570 | break; | |
2571 | case ISCSI_IFACE_PARAM_PDU_INORDER_EN: | |
2572 | if (iface_param->iface_num & 0x1) | |
2573 | break; | |
2574 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2575 | init_fw_cb->iscsi_opts |= | |
2576 | cpu_to_le16(ISCSIOPTS_DATA_PDU_INORDER_EN); | |
2577 | else | |
2578 | init_fw_cb->iscsi_opts &= | |
2579 | cpu_to_le16(~ISCSIOPTS_DATA_PDU_INORDER_EN); | |
2580 | break; | |
2581 | case ISCSI_IFACE_PARAM_ERL: | |
2582 | if (iface_param->iface_num & 0x1) | |
2583 | break; | |
2584 | init_fw_cb->iscsi_opts &= cpu_to_le16(~ISCSIOPTS_ERL); | |
2585 | init_fw_cb->iscsi_opts |= cpu_to_le16(iface_param->value[0] & | |
2586 | ISCSIOPTS_ERL); | |
2587 | break; | |
2588 | case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH: | |
2589 | if (iface_param->iface_num & 0x1) | |
2590 | break; | |
2591 | init_fw_cb->iscsi_max_pdu_size = | |
2592 | cpu_to_le32(*(uint32_t *)iface_param->value) / | |
2593 | BYTE_UNITS; | |
2594 | break; | |
2595 | case ISCSI_IFACE_PARAM_FIRST_BURST: | |
2596 | if (iface_param->iface_num & 0x1) | |
2597 | break; | |
2598 | init_fw_cb->iscsi_fburst_len = | |
2599 | cpu_to_le32(*(uint32_t *)iface_param->value) / | |
2600 | BYTE_UNITS; | |
2601 | break; | |
2602 | case ISCSI_IFACE_PARAM_MAX_R2T: | |
2603 | if (iface_param->iface_num & 0x1) | |
2604 | break; | |
2605 | init_fw_cb->iscsi_max_outstnd_r2t = | |
2606 | cpu_to_le16(*(uint16_t *)iface_param->value); | |
2607 | break; | |
2608 | case ISCSI_IFACE_PARAM_MAX_BURST: | |
2609 | if (iface_param->iface_num & 0x1) | |
2610 | break; | |
2611 | init_fw_cb->iscsi_max_burst_len = | |
2612 | cpu_to_le32(*(uint32_t *)iface_param->value) / | |
2613 | BYTE_UNITS; | |
2614 | break; | |
2615 | case ISCSI_IFACE_PARAM_CHAP_AUTH_EN: | |
2616 | if (iface_param->iface_num & 0x1) | |
2617 | break; | |
2618 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2619 | init_fw_cb->iscsi_opts |= | |
2620 | cpu_to_le16(ISCSIOPTS_CHAP_AUTH_EN); | |
2621 | else | |
2622 | init_fw_cb->iscsi_opts &= | |
2623 | cpu_to_le16(~ISCSIOPTS_CHAP_AUTH_EN); | |
2624 | break; | |
2625 | case ISCSI_IFACE_PARAM_BIDI_CHAP_EN: | |
2626 | if (iface_param->iface_num & 0x1) | |
2627 | break; | |
2628 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2629 | init_fw_cb->iscsi_opts |= | |
2630 | cpu_to_le16(ISCSIOPTS_BIDI_CHAP_EN); | |
2631 | else | |
2632 | init_fw_cb->iscsi_opts &= | |
2633 | cpu_to_le16(~ISCSIOPTS_BIDI_CHAP_EN); | |
2634 | break; | |
2635 | case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL: | |
2636 | if (iface_param->iface_num & 0x1) | |
2637 | break; | |
2638 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2639 | init_fw_cb->iscsi_opts |= | |
2640 | cpu_to_le16(ISCSIOPTS_DISCOVERY_AUTH_EN); | |
2641 | else | |
2642 | init_fw_cb->iscsi_opts &= | |
2643 | cpu_to_le16(~ISCSIOPTS_DISCOVERY_AUTH_EN); | |
2644 | break; | |
2645 | case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN: | |
2646 | if (iface_param->iface_num & 0x1) | |
2647 | break; | |
2648 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2649 | init_fw_cb->iscsi_opts |= | |
2650 | cpu_to_le16(ISCSIOPTS_DISCOVERY_LOGOUT_EN); | |
2651 | else | |
2652 | init_fw_cb->iscsi_opts &= | |
2653 | cpu_to_le16(~ISCSIOPTS_DISCOVERY_LOGOUT_EN); | |
2654 | break; | |
2655 | case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN: | |
2656 | if (iface_param->iface_num & 0x1) | |
2657 | break; | |
2658 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) | |
2659 | init_fw_cb->iscsi_opts |= | |
2660 | cpu_to_le16(ISCSIOPTS_STRICT_LOGIN_COMP_EN); | |
2661 | else | |
2662 | init_fw_cb->iscsi_opts &= | |
2663 | cpu_to_le16(~ISCSIOPTS_STRICT_LOGIN_COMP_EN); | |
2664 | break; | |
2665 | default: | |
2666 | ql4_printk(KERN_ERR, ha, "Unknown iscsi param = %d\n", | |
2667 | iface_param->param); | |
2668 | break; | |
2669 | } | |
2670 | } | |
2671 | ||
d00efe3f MC |
2672 | static void |
2673 | qla4xxx_initcb_to_acb(struct addr_ctrl_blk *init_fw_cb) | |
2674 | { | |
2675 | struct addr_ctrl_blk_def *acb; | |
2676 | acb = (struct addr_ctrl_blk_def *)init_fw_cb; | |
2677 | memset(acb->reserved1, 0, sizeof(acb->reserved1)); | |
2678 | memset(acb->reserved2, 0, sizeof(acb->reserved2)); | |
2679 | memset(acb->reserved3, 0, sizeof(acb->reserved3)); | |
2680 | memset(acb->reserved4, 0, sizeof(acb->reserved4)); | |
2681 | memset(acb->reserved5, 0, sizeof(acb->reserved5)); | |
2682 | memset(acb->reserved6, 0, sizeof(acb->reserved6)); | |
2683 | memset(acb->reserved7, 0, sizeof(acb->reserved7)); | |
2684 | memset(acb->reserved8, 0, sizeof(acb->reserved8)); | |
2685 | memset(acb->reserved9, 0, sizeof(acb->reserved9)); | |
2686 | memset(acb->reserved10, 0, sizeof(acb->reserved10)); | |
2687 | memset(acb->reserved11, 0, sizeof(acb->reserved11)); | |
2688 | memset(acb->reserved12, 0, sizeof(acb->reserved12)); | |
2689 | memset(acb->reserved13, 0, sizeof(acb->reserved13)); | |
2690 | memset(acb->reserved14, 0, sizeof(acb->reserved14)); | |
2691 | memset(acb->reserved15, 0, sizeof(acb->reserved15)); | |
2692 | } | |
2693 | ||
2694 | static int | |
00c31889 | 2695 | qla4xxx_iface_set_param(struct Scsi_Host *shost, void *data, uint32_t len) |
d00efe3f MC |
2696 | { |
2697 | struct scsi_qla_host *ha = to_qla_host(shost); | |
2698 | int rval = 0; | |
2699 | struct iscsi_iface_param_info *iface_param = NULL; | |
2700 | struct addr_ctrl_blk *init_fw_cb = NULL; | |
2701 | dma_addr_t init_fw_cb_dma; | |
2702 | uint32_t mbox_cmd[MBOX_REG_COUNT]; | |
2703 | uint32_t mbox_sts[MBOX_REG_COUNT]; | |
00c31889 MC |
2704 | uint32_t rem = len; |
2705 | struct nlattr *attr; | |
d00efe3f | 2706 | |
750afb08 LC |
2707 | init_fw_cb = dma_alloc_coherent(&ha->pdev->dev, |
2708 | sizeof(struct addr_ctrl_blk), | |
2709 | &init_fw_cb_dma, GFP_KERNEL); | |
d00efe3f MC |
2710 | if (!init_fw_cb) { |
2711 | ql4_printk(KERN_ERR, ha, "%s: Unable to alloc init_cb\n", | |
2712 | __func__); | |
2713 | return -ENOMEM; | |
2714 | } | |
2715 | ||
d00efe3f MC |
2716 | memset(&mbox_cmd, 0, sizeof(mbox_cmd)); |
2717 | memset(&mbox_sts, 0, sizeof(mbox_sts)); | |
2718 | ||
2719 | if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma)) { | |
2720 | ql4_printk(KERN_ERR, ha, "%s: get ifcb failed\n", __func__); | |
2721 | rval = -EIO; | |
2722 | goto exit_init_fw_cb; | |
2723 | } | |
2724 | ||
00c31889 MC |
2725 | nla_for_each_attr(attr, data, len, rem) { |
2726 | iface_param = nla_data(attr); | |
d00efe3f | 2727 | |
f8e93412 HZ |
2728 | if (iface_param->param_type == ISCSI_NET_PARAM) { |
2729 | switch (iface_param->iface_type) { | |
2730 | case ISCSI_IFACE_TYPE_IPV4: | |
2731 | switch (iface_param->iface_num) { | |
2732 | case 0: | |
2733 | qla4xxx_set_ipv4(ha, iface_param, | |
2734 | init_fw_cb); | |
2735 | break; | |
2736 | default: | |
d00efe3f | 2737 | /* Cannot have more than one IPv4 interface */ |
f8e93412 HZ |
2738 | ql4_printk(KERN_ERR, ha, |
2739 | "Invalid IPv4 iface number = %d\n", | |
2740 | iface_param->iface_num); | |
2741 | break; | |
2742 | } | |
d00efe3f | 2743 | break; |
f8e93412 HZ |
2744 | case ISCSI_IFACE_TYPE_IPV6: |
2745 | switch (iface_param->iface_num) { | |
2746 | case 0: | |
2747 | case 1: | |
2748 | qla4xxx_set_ipv6(ha, iface_param, | |
2749 | init_fw_cb); | |
2750 | break; | |
2751 | default: | |
2752 | /* Cannot have more than two IPv6 interface */ | |
2753 | ql4_printk(KERN_ERR, ha, | |
2754 | "Invalid IPv6 iface number = %d\n", | |
2755 | iface_param->iface_num); | |
2756 | break; | |
2757 | } | |
d00efe3f MC |
2758 | break; |
2759 | default: | |
f8e93412 HZ |
2760 | ql4_printk(KERN_ERR, ha, |
2761 | "Invalid iface type\n"); | |
d00efe3f MC |
2762 | break; |
2763 | } | |
f8e93412 HZ |
2764 | } else if (iface_param->param_type == ISCSI_IFACE_PARAM) { |
2765 | qla4xxx_set_iscsi_param(ha, iface_param, | |
2766 | init_fw_cb); | |
2767 | } else { | |
2768 | continue; | |
d00efe3f | 2769 | } |
d00efe3f MC |
2770 | } |
2771 | ||
2772 | init_fw_cb->cookie = cpu_to_le32(0x11BEAD5A); | |
2773 | ||
2774 | rval = qla4xxx_set_flash(ha, init_fw_cb_dma, FLASH_SEGMENT_IFCB, | |
2775 | sizeof(struct addr_ctrl_blk), | |
2776 | FLASH_OPT_RMW_COMMIT); | |
2777 | if (rval != QLA_SUCCESS) { | |
2778 | ql4_printk(KERN_ERR, ha, "%s: set flash mbx failed\n", | |
2779 | __func__); | |
2780 | rval = -EIO; | |
2781 | goto exit_init_fw_cb; | |
2782 | } | |
2783 | ||
ce505f9d VC |
2784 | rval = qla4xxx_disable_acb(ha); |
2785 | if (rval != QLA_SUCCESS) { | |
2786 | ql4_printk(KERN_ERR, ha, "%s: disable acb mbx failed\n", | |
2787 | __func__); | |
2788 | rval = -EIO; | |
2789 | goto exit_init_fw_cb; | |
2790 | } | |
2791 | ||
2792 | wait_for_completion_timeout(&ha->disable_acb_comp, | |
2793 | DISABLE_ACB_TOV * HZ); | |
d00efe3f MC |
2794 | |
2795 | qla4xxx_initcb_to_acb(init_fw_cb); | |
2796 | ||
2797 | rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma); | |
2798 | if (rval != QLA_SUCCESS) { | |
2799 | ql4_printk(KERN_ERR, ha, "%s: set acb mbx failed\n", | |
2800 | __func__); | |
2801 | rval = -EIO; | |
2802 | goto exit_init_fw_cb; | |
2803 | } | |
2804 | ||
2805 | memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk)); | |
2806 | qla4xxx_update_local_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb, | |
2807 | init_fw_cb_dma); | |
2808 | ||
2809 | exit_init_fw_cb: | |
2810 | dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk), | |
2811 | init_fw_cb, init_fw_cb_dma); | |
2812 | ||
2813 | return rval; | |
2814 | } | |
2815 | ||
fca9f04d MC |
2816 | static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess, |
2817 | enum iscsi_param param, char *buf) | |
2818 | { | |
2819 | struct iscsi_session *sess = cls_sess->dd_data; | |
2820 | struct ddb_entry *ddb_entry = sess->dd_data; | |
2821 | struct scsi_qla_host *ha = ddb_entry->ha; | |
97c2730c AC |
2822 | struct iscsi_cls_conn *cls_conn = ddb_entry->conn; |
2823 | struct ql4_chap_table chap_tbl; | |
fca9f04d MC |
2824 | int rval, len; |
2825 | uint16_t idx; | |
2826 | ||
97c2730c | 2827 | memset(&chap_tbl, 0, sizeof(chap_tbl)); |
fca9f04d MC |
2828 | switch (param) { |
2829 | case ISCSI_PARAM_CHAP_IN_IDX: | |
2830 | rval = qla4xxx_get_chap_index(ha, sess->username_in, | |
2831 | sess->password_in, BIDI_CHAP, | |
2832 | &idx); | |
2833 | if (rval) | |
c7a5e0d0 MR |
2834 | len = sprintf(buf, "\n"); |
2835 | else | |
2836 | len = sprintf(buf, "%hu\n", idx); | |
fca9f04d MC |
2837 | break; |
2838 | case ISCSI_PARAM_CHAP_OUT_IDX: | |
97c2730c AC |
2839 | if (ddb_entry->ddb_type == FLASH_DDB) { |
2840 | if (ddb_entry->chap_tbl_idx != INVALID_ENTRY) { | |
2841 | idx = ddb_entry->chap_tbl_idx; | |
2842 | rval = QLA_SUCCESS; | |
2843 | } else { | |
2844 | rval = QLA_ERROR; | |
2845 | } | |
2846 | } else { | |
2847 | rval = qla4xxx_get_chap_index(ha, sess->username, | |
2848 | sess->password, | |
2849 | LOCAL_CHAP, &idx); | |
2850 | } | |
fca9f04d | 2851 | if (rval) |
c7a5e0d0 MR |
2852 | len = sprintf(buf, "\n"); |
2853 | else | |
2854 | len = sprintf(buf, "%hu\n", idx); | |
fca9f04d | 2855 | break; |
97c2730c AC |
2856 | case ISCSI_PARAM_USERNAME: |
2857 | case ISCSI_PARAM_PASSWORD: | |
2858 | /* First, populate session username and password for FLASH DDB, | |
2859 | * if not already done. This happens when session login fails | |
2860 | * for a FLASH DDB. | |
2861 | */ | |
2862 | if (ddb_entry->ddb_type == FLASH_DDB && | |
2863 | ddb_entry->chap_tbl_idx != INVALID_ENTRY && | |
2864 | !sess->username && !sess->password) { | |
2865 | idx = ddb_entry->chap_tbl_idx; | |
2866 | rval = qla4xxx_get_uni_chap_at_index(ha, chap_tbl.name, | |
2867 | chap_tbl.secret, | |
2868 | idx); | |
2869 | if (!rval) { | |
2870 | iscsi_set_param(cls_conn, ISCSI_PARAM_USERNAME, | |
2871 | (char *)chap_tbl.name, | |
2872 | strlen((char *)chap_tbl.name)); | |
2873 | iscsi_set_param(cls_conn, ISCSI_PARAM_PASSWORD, | |
2874 | (char *)chap_tbl.secret, | |
2875 | chap_tbl.secret_len); | |
2876 | } | |
2877 | } | |
fc9ac87e | 2878 | /* fall through */ |
fca9f04d MC |
2879 | default: |
2880 | return iscsi_session_get_param(cls_sess, param, buf); | |
2881 | } | |
2882 | ||
2883 | return len; | |
2884 | } | |
2885 | ||
b3a271a9 | 2886 | static int qla4xxx_conn_get_param(struct iscsi_cls_conn *cls_conn, |
afaf5a2d DS |
2887 | enum iscsi_param param, char *buf) |
2888 | { | |
b3a271a9 MR |
2889 | struct iscsi_conn *conn; |
2890 | struct qla_conn *qla_conn; | |
2891 | struct sockaddr *dst_addr; | |
afaf5a2d | 2892 | |
b3a271a9 MR |
2893 | conn = cls_conn->dd_data; |
2894 | qla_conn = conn->dd_data; | |
d46bdeb1 | 2895 | dst_addr = (struct sockaddr *)&qla_conn->qla_ep->dst_addr; |
afaf5a2d DS |
2896 | |
2897 | switch (param) { | |
2898 | case ISCSI_PARAM_CONN_PORT: | |
afaf5a2d | 2899 | case ISCSI_PARAM_CONN_ADDRESS: |
b3a271a9 MR |
2900 | return iscsi_conn_get_addr_param((struct sockaddr_storage *) |
2901 | dst_addr, param, buf); | |
afaf5a2d | 2902 | default: |
b3a271a9 | 2903 | return iscsi_conn_get_param(cls_conn, param, buf); |
afaf5a2d | 2904 | } |
afaf5a2d DS |
2905 | } |
2906 | ||
13483730 MC |
2907 | int qla4xxx_get_ddb_index(struct scsi_qla_host *ha, uint16_t *ddb_index) |
2908 | { | |
2909 | uint32_t mbx_sts = 0; | |
2910 | uint16_t tmp_ddb_index; | |
2911 | int ret; | |
2912 | ||
2913 | get_ddb_index: | |
2914 | tmp_ddb_index = find_first_zero_bit(ha->ddb_idx_map, MAX_DDB_ENTRIES); | |
2915 | ||
2916 | if (tmp_ddb_index >= MAX_DDB_ENTRIES) { | |
2917 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
2918 | "Free DDB index not available\n")); | |
2919 | ret = QLA_ERROR; | |
2920 | goto exit_get_ddb_index; | |
2921 | } | |
2922 | ||
2923 | if (test_and_set_bit(tmp_ddb_index, ha->ddb_idx_map)) | |
2924 | goto get_ddb_index; | |
2925 | ||
2926 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
2927 | "Found a free DDB index at %d\n", tmp_ddb_index)); | |
2928 | ret = qla4xxx_req_ddb_entry(ha, tmp_ddb_index, &mbx_sts); | |
2929 | if (ret == QLA_ERROR) { | |
2930 | if (mbx_sts == MBOX_STS_COMMAND_ERROR) { | |
2931 | ql4_printk(KERN_INFO, ha, | |
2932 | "DDB index = %d not available trying next\n", | |
2933 | tmp_ddb_index); | |
2934 | goto get_ddb_index; | |
2935 | } | |
2936 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
2937 | "Free FW DDB not available\n")); | |
2938 | } | |
2939 | ||
2940 | *ddb_index = tmp_ddb_index; | |
2941 | ||
2942 | exit_get_ddb_index: | |
2943 | return ret; | |
2944 | } | |
2945 | ||
2946 | static int qla4xxx_match_ipaddress(struct scsi_qla_host *ha, | |
2947 | struct ddb_entry *ddb_entry, | |
2948 | char *existing_ipaddr, | |
2949 | char *user_ipaddr) | |
2950 | { | |
2951 | uint8_t dst_ipaddr[IPv6_ADDR_LEN]; | |
2952 | char formatted_ipaddr[DDB_IPADDR_LEN]; | |
2953 | int status = QLA_SUCCESS, ret = 0; | |
2954 | ||
2955 | if (ddb_entry->fw_ddb_entry.options & DDB_OPT_IPV6_DEVICE) { | |
2956 | ret = in6_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr, | |
2957 | '\0', NULL); | |
2958 | if (ret == 0) { | |
2959 | status = QLA_ERROR; | |
2960 | goto out_match; | |
2961 | } | |
2962 | ret = sprintf(formatted_ipaddr, "%pI6", dst_ipaddr); | |
2963 | } else { | |
2964 | ret = in4_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr, | |
2965 | '\0', NULL); | |
2966 | if (ret == 0) { | |
2967 | status = QLA_ERROR; | |
2968 | goto out_match; | |
2969 | } | |
2970 | ret = sprintf(formatted_ipaddr, "%pI4", dst_ipaddr); | |
2971 | } | |
2972 | ||
2973 | if (strcmp(existing_ipaddr, formatted_ipaddr)) | |
2974 | status = QLA_ERROR; | |
2975 | ||
2976 | out_match: | |
2977 | return status; | |
2978 | } | |
2979 | ||
2980 | static int qla4xxx_match_fwdb_session(struct scsi_qla_host *ha, | |
2981 | struct iscsi_cls_conn *cls_conn) | |
2982 | { | |
2983 | int idx = 0, max_ddbs, rval; | |
2984 | struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); | |
2985 | struct iscsi_session *sess, *existing_sess; | |
2986 | struct iscsi_conn *conn, *existing_conn; | |
2987 | struct ddb_entry *ddb_entry; | |
2988 | ||
2989 | sess = cls_sess->dd_data; | |
2990 | conn = cls_conn->dd_data; | |
2991 | ||
2992 | if (sess->targetname == NULL || | |
2993 | conn->persistent_address == NULL || | |
2994 | conn->persistent_port == 0) | |
2995 | return QLA_ERROR; | |
2996 | ||
2997 | max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : | |
2998 | MAX_DEV_DB_ENTRIES; | |
2999 | ||
3000 | for (idx = 0; idx < max_ddbs; idx++) { | |
3001 | ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); | |
3002 | if (ddb_entry == NULL) | |
3003 | continue; | |
3004 | ||
3005 | if (ddb_entry->ddb_type != FLASH_DDB) | |
3006 | continue; | |
3007 | ||
3008 | existing_sess = ddb_entry->sess->dd_data; | |
3009 | existing_conn = ddb_entry->conn->dd_data; | |
3010 | ||
3011 | if (existing_sess->targetname == NULL || | |
3012 | existing_conn->persistent_address == NULL || | |
3013 | existing_conn->persistent_port == 0) | |
3014 | continue; | |
3015 | ||
3016 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
3017 | "IQN = %s User IQN = %s\n", | |
3018 | existing_sess->targetname, | |
3019 | sess->targetname)); | |
3020 | ||
3021 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
3022 | "IP = %s User IP = %s\n", | |
3023 | existing_conn->persistent_address, | |
3024 | conn->persistent_address)); | |
3025 | ||
3026 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
3027 | "Port = %d User Port = %d\n", | |
3028 | existing_conn->persistent_port, | |
3029 | conn->persistent_port)); | |
3030 | ||
3031 | if (strcmp(existing_sess->targetname, sess->targetname)) | |
3032 | continue; | |
3033 | rval = qla4xxx_match_ipaddress(ha, ddb_entry, | |
3034 | existing_conn->persistent_address, | |
3035 | conn->persistent_address); | |
3036 | if (rval == QLA_ERROR) | |
3037 | continue; | |
3038 | if (existing_conn->persistent_port != conn->persistent_port) | |
3039 | continue; | |
3040 | break; | |
3041 | } | |
3042 | ||
3043 | if (idx == max_ddbs) | |
3044 | return QLA_ERROR; | |
3045 | ||
3046 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
3047 | "Match found in fwdb sessions\n")); | |
3048 | return QLA_SUCCESS; | |
3049 | } | |
3050 | ||
b3a271a9 MR |
3051 | static struct iscsi_cls_session * |
3052 | qla4xxx_session_create(struct iscsi_endpoint *ep, | |
3053 | uint16_t cmds_max, uint16_t qdepth, | |
3054 | uint32_t initial_cmdsn) | |
3055 | { | |
3056 | struct iscsi_cls_session *cls_sess; | |
3057 | struct scsi_qla_host *ha; | |
3058 | struct qla_endpoint *qla_ep; | |
3059 | struct ddb_entry *ddb_entry; | |
13483730 | 3060 | uint16_t ddb_index; |
b3a271a9 MR |
3061 | struct iscsi_session *sess; |
3062 | struct sockaddr *dst_addr; | |
3063 | int ret; | |
3064 | ||
b3a271a9 MR |
3065 | if (!ep) { |
3066 | printk(KERN_ERR "qla4xxx: missing ep.\n"); | |
3067 | return NULL; | |
3068 | } | |
3069 | ||
3070 | qla_ep = ep->dd_data; | |
3071 | dst_addr = (struct sockaddr *)&qla_ep->dst_addr; | |
3072 | ha = to_qla_host(qla_ep->host); | |
c343c5e0 VC |
3073 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__, |
3074 | ha->host_no)); | |
736cf369 | 3075 | |
13483730 MC |
3076 | ret = qla4xxx_get_ddb_index(ha, &ddb_index); |
3077 | if (ret == QLA_ERROR) | |
b3a271a9 | 3078 | return NULL; |
b3a271a9 MR |
3079 | |
3080 | cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, qla_ep->host, | |
3081 | cmds_max, sizeof(struct ddb_entry), | |
3082 | sizeof(struct ql4_task_data), | |
3083 | initial_cmdsn, ddb_index); | |
3084 | if (!cls_sess) | |
3085 | return NULL; | |
3086 | ||
3087 | sess = cls_sess->dd_data; | |
3088 | ddb_entry = sess->dd_data; | |
3089 | ddb_entry->fw_ddb_index = ddb_index; | |
3090 | ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE; | |
3091 | ddb_entry->ha = ha; | |
3092 | ddb_entry->sess = cls_sess; | |
13483730 MC |
3093 | ddb_entry->unblock_sess = qla4xxx_unblock_ddb; |
3094 | ddb_entry->ddb_change = qla4xxx_ddb_change; | |
de2efea6 | 3095 | clear_bit(DDB_CONN_CLOSE_FAILURE, &ddb_entry->flags); |
b3a271a9 MR |
3096 | cls_sess->recovery_tmo = ql4xsess_recovery_tmo; |
3097 | ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = ddb_entry; | |
3098 | ha->tot_ddbs++; | |
3099 | ||
3100 | return cls_sess; | |
3101 | } | |
3102 | ||
3103 | static void qla4xxx_session_destroy(struct iscsi_cls_session *cls_sess) | |
3104 | { | |
3105 | struct iscsi_session *sess; | |
3106 | struct ddb_entry *ddb_entry; | |
3107 | struct scsi_qla_host *ha; | |
90599b62 MR |
3108 | unsigned long flags, wtime; |
3109 | struct dev_db_entry *fw_ddb_entry = NULL; | |
3110 | dma_addr_t fw_ddb_entry_dma; | |
3111 | uint32_t ddb_state; | |
3112 | int ret; | |
b3a271a9 | 3113 | |
b3a271a9 MR |
3114 | sess = cls_sess->dd_data; |
3115 | ddb_entry = sess->dd_data; | |
3116 | ha = ddb_entry->ha; | |
c343c5e0 VC |
3117 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__, |
3118 | ha->host_no)); | |
b3a271a9 | 3119 | |
90599b62 MR |
3120 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
3121 | &fw_ddb_entry_dma, GFP_KERNEL); | |
3122 | if (!fw_ddb_entry) { | |
3123 | ql4_printk(KERN_ERR, ha, | |
3124 | "%s: Unable to allocate dma buffer\n", __func__); | |
3125 | goto destroy_session; | |
3126 | } | |
3127 | ||
3128 | wtime = jiffies + (HZ * LOGOUT_TOV); | |
3129 | do { | |
3130 | ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, | |
3131 | fw_ddb_entry, fw_ddb_entry_dma, | |
3132 | NULL, NULL, &ddb_state, NULL, | |
3133 | NULL, NULL); | |
3134 | if (ret == QLA_ERROR) | |
3135 | goto destroy_session; | |
3136 | ||
3137 | if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) || | |
3138 | (ddb_state == DDB_DS_SESSION_FAILED)) | |
3139 | goto destroy_session; | |
3140 | ||
3141 | schedule_timeout_uninterruptible(HZ); | |
3142 | } while ((time_after(wtime, jiffies))); | |
3143 | ||
3144 | destroy_session: | |
736cf369 | 3145 | qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); |
de2efea6 NJ |
3146 | if (test_and_clear_bit(DDB_CONN_CLOSE_FAILURE, &ddb_entry->flags)) |
3147 | clear_bit(ddb_entry->fw_ddb_index, ha->ddb_idx_map); | |
b3a271a9 MR |
3148 | spin_lock_irqsave(&ha->hardware_lock, flags); |
3149 | qla4xxx_free_ddb(ha, ddb_entry); | |
3150 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
90599b62 | 3151 | |
b3a271a9 | 3152 | iscsi_session_teardown(cls_sess); |
90599b62 MR |
3153 | |
3154 | if (fw_ddb_entry) | |
3155 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
3156 | fw_ddb_entry, fw_ddb_entry_dma); | |
b3a271a9 MR |
3157 | } |
3158 | ||
b3a271a9 MR |
3159 | static struct iscsi_cls_conn * |
3160 | qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx) | |
3161 | { | |
3162 | struct iscsi_cls_conn *cls_conn; | |
3163 | struct iscsi_session *sess; | |
3164 | struct ddb_entry *ddb_entry; | |
c343c5e0 | 3165 | struct scsi_qla_host *ha; |
b3a271a9 | 3166 | |
b3a271a9 MR |
3167 | cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn), |
3168 | conn_idx); | |
c343c5e0 VC |
3169 | if (!cls_conn) { |
3170 | pr_info("%s: Can not create connection for conn_idx = %u\n", | |
3171 | __func__, conn_idx); | |
ff1d0319 | 3172 | return NULL; |
c343c5e0 | 3173 | } |
ff1d0319 | 3174 | |
b3a271a9 MR |
3175 | sess = cls_sess->dd_data; |
3176 | ddb_entry = sess->dd_data; | |
3177 | ddb_entry->conn = cls_conn; | |
3178 | ||
c343c5e0 VC |
3179 | ha = ddb_entry->ha; |
3180 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: conn_idx = %u\n", __func__, | |
3181 | conn_idx)); | |
b3a271a9 MR |
3182 | return cls_conn; |
3183 | } | |
3184 | ||
3185 | static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session, | |
3186 | struct iscsi_cls_conn *cls_conn, | |
3187 | uint64_t transport_fd, int is_leading) | |
3188 | { | |
3189 | struct iscsi_conn *conn; | |
3190 | struct qla_conn *qla_conn; | |
3191 | struct iscsi_endpoint *ep; | |
c343c5e0 VC |
3192 | struct ddb_entry *ddb_entry; |
3193 | struct scsi_qla_host *ha; | |
3194 | struct iscsi_session *sess; | |
3195 | ||
3196 | sess = cls_session->dd_data; | |
3197 | ddb_entry = sess->dd_data; | |
3198 | ha = ddb_entry->ha; | |
b3a271a9 | 3199 | |
c343c5e0 VC |
3200 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: sid = %d, cid = %d\n", __func__, |
3201 | cls_session->sid, cls_conn->cid)); | |
b3a271a9 MR |
3202 | |
3203 | if (iscsi_conn_bind(cls_session, cls_conn, is_leading)) | |
3204 | return -EINVAL; | |
3205 | ep = iscsi_lookup_endpoint(transport_fd); | |
fba1bdd2 KL |
3206 | if (!ep) |
3207 | return -EINVAL; | |
b3a271a9 MR |
3208 | conn = cls_conn->dd_data; |
3209 | qla_conn = conn->dd_data; | |
3210 | qla_conn->qla_ep = ep->dd_data; | |
3211 | return 0; | |
3212 | } | |
3213 | ||
3214 | static int qla4xxx_conn_start(struct iscsi_cls_conn *cls_conn) | |
3215 | { | |
3216 | struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); | |
3217 | struct iscsi_session *sess; | |
3218 | struct ddb_entry *ddb_entry; | |
3219 | struct scsi_qla_host *ha; | |
13483730 | 3220 | struct dev_db_entry *fw_ddb_entry = NULL; |
b3a271a9 | 3221 | dma_addr_t fw_ddb_entry_dma; |
b3a271a9 MR |
3222 | uint32_t mbx_sts = 0; |
3223 | int ret = 0; | |
3224 | int status = QLA_SUCCESS; | |
3225 | ||
b3a271a9 MR |
3226 | sess = cls_sess->dd_data; |
3227 | ddb_entry = sess->dd_data; | |
3228 | ha = ddb_entry->ha; | |
c343c5e0 VC |
3229 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: sid = %d, cid = %d\n", __func__, |
3230 | cls_sess->sid, cls_conn->cid)); | |
b3a271a9 | 3231 | |
13483730 MC |
3232 | /* Check if we have matching FW DDB, if yes then do not |
3233 | * login to this target. This could cause target to logout previous | |
3234 | * connection | |
3235 | */ | |
3236 | ret = qla4xxx_match_fwdb_session(ha, cls_conn); | |
3237 | if (ret == QLA_SUCCESS) { | |
3238 | ql4_printk(KERN_INFO, ha, | |
3239 | "Session already exist in FW.\n"); | |
3240 | ret = -EEXIST; | |
3241 | goto exit_conn_start; | |
3242 | } | |
3243 | ||
b3a271a9 MR |
3244 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
3245 | &fw_ddb_entry_dma, GFP_KERNEL); | |
3246 | if (!fw_ddb_entry) { | |
3247 | ql4_printk(KERN_ERR, ha, | |
3248 | "%s: Unable to allocate dma buffer\n", __func__); | |
13483730 MC |
3249 | ret = -ENOMEM; |
3250 | goto exit_conn_start; | |
b3a271a9 MR |
3251 | } |
3252 | ||
3253 | ret = qla4xxx_set_param_ddbentry(ha, ddb_entry, cls_conn, &mbx_sts); | |
3254 | if (ret) { | |
3255 | /* If iscsid is stopped and started then no need to do | |
3256 | * set param again since ddb state will be already | |
3257 | * active and FW does not allow set ddb to an | |
3258 | * active session. | |
3259 | */ | |
3260 | if (mbx_sts) | |
3261 | if (ddb_entry->fw_ddb_device_state == | |
f922da79 | 3262 | DDB_DS_SESSION_ACTIVE) { |
13483730 | 3263 | ddb_entry->unblock_sess(ddb_entry->sess); |
b3a271a9 | 3264 | goto exit_set_param; |
f922da79 | 3265 | } |
b3a271a9 MR |
3266 | |
3267 | ql4_printk(KERN_ERR, ha, "%s: Failed set param for index[%d]\n", | |
3268 | __func__, ddb_entry->fw_ddb_index); | |
3269 | goto exit_conn_start; | |
3270 | } | |
3271 | ||
3272 | status = qla4xxx_conn_open(ha, ddb_entry->fw_ddb_index); | |
3273 | if (status == QLA_ERROR) { | |
0e7e8501 MR |
3274 | ql4_printk(KERN_ERR, ha, "%s: Login failed: %s\n", __func__, |
3275 | sess->targetname); | |
b3a271a9 MR |
3276 | ret = -EINVAL; |
3277 | goto exit_conn_start; | |
3278 | } | |
3279 | ||
98270ab4 MR |
3280 | if (ddb_entry->fw_ddb_device_state == DDB_DS_NO_CONNECTION_ACTIVE) |
3281 | ddb_entry->fw_ddb_device_state = DDB_DS_LOGIN_IN_PROCESS; | |
3282 | ||
3283 | DEBUG2(printk(KERN_INFO "%s: DDB state [%d]\n", __func__, | |
3284 | ddb_entry->fw_ddb_device_state)); | |
b3a271a9 MR |
3285 | |
3286 | exit_set_param: | |
b3a271a9 MR |
3287 | ret = 0; |
3288 | ||
3289 | exit_conn_start: | |
13483730 MC |
3290 | if (fw_ddb_entry) |
3291 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
3292 | fw_ddb_entry, fw_ddb_entry_dma); | |
b3a271a9 MR |
3293 | return ret; |
3294 | } | |
3295 | ||
3296 | static void qla4xxx_conn_destroy(struct iscsi_cls_conn *cls_conn) | |
3297 | { | |
3298 | struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); | |
3299 | struct iscsi_session *sess; | |
3300 | struct scsi_qla_host *ha; | |
3301 | struct ddb_entry *ddb_entry; | |
3302 | int options; | |
3303 | ||
b3a271a9 MR |
3304 | sess = cls_sess->dd_data; |
3305 | ddb_entry = sess->dd_data; | |
3306 | ha = ddb_entry->ha; | |
c343c5e0 VC |
3307 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: cid = %d\n", __func__, |
3308 | cls_conn->cid)); | |
b3a271a9 MR |
3309 | |
3310 | options = LOGOUT_OPTION_CLOSE_SESSION; | |
3311 | if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) == QLA_ERROR) | |
3312 | ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", __func__); | |
b3a271a9 MR |
3313 | } |
3314 | ||
3315 | static void qla4xxx_task_work(struct work_struct *wdata) | |
3316 | { | |
3317 | struct ql4_task_data *task_data; | |
3318 | struct scsi_qla_host *ha; | |
3319 | struct passthru_status *sts; | |
3320 | struct iscsi_task *task; | |
3321 | struct iscsi_hdr *hdr; | |
3322 | uint8_t *data; | |
3323 | uint32_t data_len; | |
3324 | struct iscsi_conn *conn; | |
3325 | int hdr_len; | |
3326 | itt_t itt; | |
3327 | ||
3328 | task_data = container_of(wdata, struct ql4_task_data, task_work); | |
3329 | ha = task_data->ha; | |
3330 | task = task_data->task; | |
3331 | sts = &task_data->sts; | |
3332 | hdr_len = sizeof(struct iscsi_hdr); | |
3333 | ||
3334 | DEBUG3(printk(KERN_INFO "Status returned\n")); | |
3335 | DEBUG3(qla4xxx_dump_buffer(sts, 64)); | |
3336 | DEBUG3(printk(KERN_INFO "Response buffer")); | |
3337 | DEBUG3(qla4xxx_dump_buffer(task_data->resp_buffer, 64)); | |
3338 | ||
3339 | conn = task->conn; | |
3340 | ||
3341 | switch (sts->completionStatus) { | |
3342 | case PASSTHRU_STATUS_COMPLETE: | |
3343 | hdr = (struct iscsi_hdr *)task_data->resp_buffer; | |
3344 | /* Assign back the itt in hdr, until we use the PREASSIGN_TAG */ | |
3345 | itt = sts->handle; | |
3346 | hdr->itt = itt; | |
3347 | data = task_data->resp_buffer + hdr_len; | |
3348 | data_len = task_data->resp_len - hdr_len; | |
3349 | iscsi_complete_pdu(conn, hdr, data, data_len); | |
3350 | break; | |
3351 | default: | |
3352 | ql4_printk(KERN_ERR, ha, "Passthru failed status = 0x%x\n", | |
3353 | sts->completionStatus); | |
3354 | break; | |
3355 | } | |
3356 | return; | |
3357 | } | |
3358 | ||
3359 | static int qla4xxx_alloc_pdu(struct iscsi_task *task, uint8_t opcode) | |
3360 | { | |
3361 | struct ql4_task_data *task_data; | |
3362 | struct iscsi_session *sess; | |
3363 | struct ddb_entry *ddb_entry; | |
3364 | struct scsi_qla_host *ha; | |
3365 | int hdr_len; | |
3366 | ||
3367 | sess = task->conn->session; | |
3368 | ddb_entry = sess->dd_data; | |
3369 | ha = ddb_entry->ha; | |
3370 | task_data = task->dd_data; | |
3371 | memset(task_data, 0, sizeof(struct ql4_task_data)); | |
3372 | ||
3373 | if (task->sc) { | |
3374 | ql4_printk(KERN_INFO, ha, | |
3375 | "%s: SCSI Commands not implemented\n", __func__); | |
3376 | return -EINVAL; | |
3377 | } | |
3378 | ||
3379 | hdr_len = sizeof(struct iscsi_hdr); | |
3380 | task_data->ha = ha; | |
3381 | task_data->task = task; | |
3382 | ||
3383 | if (task->data_count) { | |
3384 | task_data->data_dma = dma_map_single(&ha->pdev->dev, task->data, | |
3385 | task->data_count, | |
ec44a676 | 3386 | DMA_TO_DEVICE); |
b3a271a9 MR |
3387 | } |
3388 | ||
3389 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n", | |
3390 | __func__, task->conn->max_recv_dlength, hdr_len)); | |
3391 | ||
69ca216e | 3392 | task_data->resp_len = task->conn->max_recv_dlength + hdr_len; |
b3a271a9 MR |
3393 | task_data->resp_buffer = dma_alloc_coherent(&ha->pdev->dev, |
3394 | task_data->resp_len, | |
3395 | &task_data->resp_dma, | |
3396 | GFP_ATOMIC); | |
3397 | if (!task_data->resp_buffer) | |
3398 | goto exit_alloc_pdu; | |
3399 | ||
69ca216e | 3400 | task_data->req_len = task->data_count + hdr_len; |
b3a271a9 | 3401 | task_data->req_buffer = dma_alloc_coherent(&ha->pdev->dev, |
69ca216e | 3402 | task_data->req_len, |
b3a271a9 MR |
3403 | &task_data->req_dma, |
3404 | GFP_ATOMIC); | |
3405 | if (!task_data->req_buffer) | |
3406 | goto exit_alloc_pdu; | |
3407 | ||
3408 | task->hdr = task_data->req_buffer; | |
3409 | ||
3410 | INIT_WORK(&task_data->task_work, qla4xxx_task_work); | |
3411 | ||
3412 | return 0; | |
3413 | ||
3414 | exit_alloc_pdu: | |
3415 | if (task_data->resp_buffer) | |
3416 | dma_free_coherent(&ha->pdev->dev, task_data->resp_len, | |
3417 | task_data->resp_buffer, task_data->resp_dma); | |
3418 | ||
3419 | if (task_data->req_buffer) | |
69ca216e | 3420 | dma_free_coherent(&ha->pdev->dev, task_data->req_len, |
b3a271a9 MR |
3421 | task_data->req_buffer, task_data->req_dma); |
3422 | return -ENOMEM; | |
3423 | } | |
3424 | ||
3425 | static void qla4xxx_task_cleanup(struct iscsi_task *task) | |
3426 | { | |
3427 | struct ql4_task_data *task_data; | |
3428 | struct iscsi_session *sess; | |
3429 | struct ddb_entry *ddb_entry; | |
3430 | struct scsi_qla_host *ha; | |
3431 | int hdr_len; | |
3432 | ||
3433 | hdr_len = sizeof(struct iscsi_hdr); | |
3434 | sess = task->conn->session; | |
3435 | ddb_entry = sess->dd_data; | |
3436 | ha = ddb_entry->ha; | |
3437 | task_data = task->dd_data; | |
3438 | ||
3439 | if (task->data_count) { | |
3440 | dma_unmap_single(&ha->pdev->dev, task_data->data_dma, | |
ec44a676 | 3441 | task->data_count, DMA_TO_DEVICE); |
b3a271a9 MR |
3442 | } |
3443 | ||
3444 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n", | |
3445 | __func__, task->conn->max_recv_dlength, hdr_len)); | |
3446 | ||
3447 | dma_free_coherent(&ha->pdev->dev, task_data->resp_len, | |
3448 | task_data->resp_buffer, task_data->resp_dma); | |
69ca216e | 3449 | dma_free_coherent(&ha->pdev->dev, task_data->req_len, |
b3a271a9 MR |
3450 | task_data->req_buffer, task_data->req_dma); |
3451 | return; | |
3452 | } | |
3453 | ||
3454 | static int qla4xxx_task_xmit(struct iscsi_task *task) | |
3455 | { | |
3456 | struct scsi_cmnd *sc = task->sc; | |
3457 | struct iscsi_session *sess = task->conn->session; | |
3458 | struct ddb_entry *ddb_entry = sess->dd_data; | |
3459 | struct scsi_qla_host *ha = ddb_entry->ha; | |
3460 | ||
3461 | if (!sc) | |
3462 | return qla4xxx_send_passthru0(task); | |
3463 | ||
3464 | ql4_printk(KERN_INFO, ha, "%s: scsi cmd xmit not implemented\n", | |
3465 | __func__); | |
3466 | return -ENOSYS; | |
3467 | } | |
3468 | ||
1e9e2be3 AC |
3469 | static int qla4xxx_copy_from_fwddb_param(struct iscsi_bus_flash_session *sess, |
3470 | struct iscsi_bus_flash_conn *conn, | |
3471 | struct dev_db_entry *fw_ddb_entry) | |
3472 | { | |
3473 | unsigned long options = 0; | |
3474 | int rc = 0; | |
3475 | ||
3476 | options = le16_to_cpu(fw_ddb_entry->options); | |
3477 | conn->is_fw_assigned_ipv6 = test_bit(OPT_IS_FW_ASSIGNED_IPV6, &options); | |
3478 | if (test_bit(OPT_IPV6_DEVICE, &options)) { | |
c962c18b AC |
3479 | rc = iscsi_switch_str_param(&sess->portal_type, |
3480 | PORTAL_TYPE_IPV6); | |
1e9e2be3 AC |
3481 | if (rc) |
3482 | goto exit_copy; | |
3483 | } else { | |
c962c18b AC |
3484 | rc = iscsi_switch_str_param(&sess->portal_type, |
3485 | PORTAL_TYPE_IPV4); | |
1e9e2be3 AC |
3486 | if (rc) |
3487 | goto exit_copy; | |
3488 | } | |
3489 | ||
3490 | sess->auto_snd_tgt_disable = test_bit(OPT_AUTO_SENDTGTS_DISABLE, | |
3491 | &options); | |
3492 | sess->discovery_sess = test_bit(OPT_DISC_SESSION, &options); | |
3493 | sess->entry_state = test_bit(OPT_ENTRY_STATE, &options); | |
3494 | ||
3495 | options = le16_to_cpu(fw_ddb_entry->iscsi_options); | |
3496 | conn->hdrdgst_en = test_bit(ISCSIOPT_HEADER_DIGEST_EN, &options); | |
3497 | conn->datadgst_en = test_bit(ISCSIOPT_DATA_DIGEST_EN, &options); | |
3498 | sess->imm_data_en = test_bit(ISCSIOPT_IMMEDIATE_DATA_EN, &options); | |
3499 | sess->initial_r2t_en = test_bit(ISCSIOPT_INITIAL_R2T_EN, &options); | |
3500 | sess->dataseq_inorder_en = test_bit(ISCSIOPT_DATA_SEQ_IN_ORDER, | |
3501 | &options); | |
3502 | sess->pdu_inorder_en = test_bit(ISCSIOPT_DATA_PDU_IN_ORDER, &options); | |
3503 | sess->chap_auth_en = test_bit(ISCSIOPT_CHAP_AUTH_EN, &options); | |
3504 | conn->snack_req_en = test_bit(ISCSIOPT_SNACK_REQ_EN, &options); | |
3505 | sess->discovery_logout_en = test_bit(ISCSIOPT_DISCOVERY_LOGOUT_EN, | |
3506 | &options); | |
3507 | sess->bidi_chap_en = test_bit(ISCSIOPT_BIDI_CHAP_EN, &options); | |
3508 | sess->discovery_auth_optional = | |
3509 | test_bit(ISCSIOPT_DISCOVERY_AUTH_OPTIONAL, &options); | |
3510 | if (test_bit(ISCSIOPT_ERL1, &options)) | |
3511 | sess->erl |= BIT_1; | |
3512 | if (test_bit(ISCSIOPT_ERL0, &options)) | |
3513 | sess->erl |= BIT_0; | |
3514 | ||
3515 | options = le16_to_cpu(fw_ddb_entry->tcp_options); | |
3516 | conn->tcp_timestamp_stat = test_bit(TCPOPT_TIMESTAMP_STAT, &options); | |
3517 | conn->tcp_nagle_disable = test_bit(TCPOPT_NAGLE_DISABLE, &options); | |
3518 | conn->tcp_wsf_disable = test_bit(TCPOPT_WSF_DISABLE, &options); | |
3519 | if (test_bit(TCPOPT_TIMER_SCALE3, &options)) | |
3520 | conn->tcp_timer_scale |= BIT_3; | |
3521 | if (test_bit(TCPOPT_TIMER_SCALE2, &options)) | |
3522 | conn->tcp_timer_scale |= BIT_2; | |
3523 | if (test_bit(TCPOPT_TIMER_SCALE1, &options)) | |
3524 | conn->tcp_timer_scale |= BIT_1; | |
3525 | ||
3526 | conn->tcp_timer_scale >>= 1; | |
3527 | conn->tcp_timestamp_en = test_bit(TCPOPT_TIMESTAMP_EN, &options); | |
3528 | ||
3529 | options = le16_to_cpu(fw_ddb_entry->ip_options); | |
3530 | conn->fragment_disable = test_bit(IPOPT_FRAGMENT_DISABLE, &options); | |
3531 | ||
3532 | conn->max_recv_dlength = BYTE_UNITS * | |
3533 | le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len); | |
3534 | conn->max_xmit_dlength = BYTE_UNITS * | |
3535 | le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len); | |
3536 | sess->first_burst = BYTE_UNITS * | |
3537 | le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len); | |
3538 | sess->max_burst = BYTE_UNITS * | |
3539 | le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len); | |
3540 | sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t); | |
3541 | sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); | |
3542 | sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain); | |
3543 | sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); | |
3544 | conn->max_segment_size = le16_to_cpu(fw_ddb_entry->mss); | |
3545 | conn->tcp_xmit_wsf = fw_ddb_entry->tcp_xmt_wsf; | |
3546 | conn->tcp_recv_wsf = fw_ddb_entry->tcp_rcv_wsf; | |
3547 | conn->ipv6_flow_label = le16_to_cpu(fw_ddb_entry->ipv6_flow_lbl); | |
3548 | conn->keepalive_timeout = le16_to_cpu(fw_ddb_entry->ka_timeout); | |
3549 | conn->local_port = le16_to_cpu(fw_ddb_entry->lcl_port); | |
3550 | conn->statsn = le32_to_cpu(fw_ddb_entry->stat_sn); | |
3551 | conn->exp_statsn = le32_to_cpu(fw_ddb_entry->exp_stat_sn); | |
3552 | sess->discovery_parent_idx = le16_to_cpu(fw_ddb_entry->ddb_link); | |
3553 | sess->discovery_parent_type = le16_to_cpu(fw_ddb_entry->ddb_link); | |
3554 | sess->chap_out_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); | |
3555 | sess->tsid = le16_to_cpu(fw_ddb_entry->tsid); | |
3556 | ||
3557 | sess->default_taskmgmt_timeout = | |
3558 | le16_to_cpu(fw_ddb_entry->def_timeout); | |
3559 | conn->port = le16_to_cpu(fw_ddb_entry->port); | |
3560 | ||
3561 | options = le16_to_cpu(fw_ddb_entry->options); | |
3562 | conn->ipaddress = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL); | |
3563 | if (!conn->ipaddress) { | |
3564 | rc = -ENOMEM; | |
3565 | goto exit_copy; | |
3566 | } | |
3567 | ||
3568 | conn->redirect_ipaddr = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL); | |
3569 | if (!conn->redirect_ipaddr) { | |
3570 | rc = -ENOMEM; | |
3571 | goto exit_copy; | |
3572 | } | |
3573 | ||
3574 | memcpy(conn->ipaddress, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN); | |
3575 | memcpy(conn->redirect_ipaddr, fw_ddb_entry->tgt_addr, IPv6_ADDR_LEN); | |
3576 | ||
3577 | if (test_bit(OPT_IPV6_DEVICE, &options)) { | |
3578 | conn->ipv6_traffic_class = fw_ddb_entry->ipv4_tos; | |
3579 | ||
3d30b439 BT |
3580 | conn->link_local_ipv6_addr = kmemdup( |
3581 | fw_ddb_entry->link_local_ipv6_addr, | |
3582 | IPv6_ADDR_LEN, GFP_KERNEL); | |
1e9e2be3 AC |
3583 | if (!conn->link_local_ipv6_addr) { |
3584 | rc = -ENOMEM; | |
3585 | goto exit_copy; | |
3586 | } | |
1e9e2be3 AC |
3587 | } else { |
3588 | conn->ipv4_tos = fw_ddb_entry->ipv4_tos; | |
3589 | } | |
3590 | ||
3591 | if (fw_ddb_entry->iscsi_name[0]) { | |
3592 | rc = iscsi_switch_str_param(&sess->targetname, | |
3593 | (char *)fw_ddb_entry->iscsi_name); | |
3594 | if (rc) | |
3595 | goto exit_copy; | |
3596 | } | |
3597 | ||
3598 | if (fw_ddb_entry->iscsi_alias[0]) { | |
3599 | rc = iscsi_switch_str_param(&sess->targetalias, | |
3600 | (char *)fw_ddb_entry->iscsi_alias); | |
3601 | if (rc) | |
3602 | goto exit_copy; | |
3603 | } | |
3604 | ||
3605 | COPY_ISID(sess->isid, fw_ddb_entry->isid); | |
3606 | ||
3607 | exit_copy: | |
3608 | return rc; | |
3609 | } | |
3610 | ||
3611 | static int qla4xxx_copy_to_fwddb_param(struct iscsi_bus_flash_session *sess, | |
3612 | struct iscsi_bus_flash_conn *conn, | |
3613 | struct dev_db_entry *fw_ddb_entry) | |
3614 | { | |
3615 | uint16_t options; | |
3616 | int rc = 0; | |
3617 | ||
3618 | options = le16_to_cpu(fw_ddb_entry->options); | |
3619 | SET_BITVAL(conn->is_fw_assigned_ipv6, options, BIT_11); | |
c962c18b | 3620 | if (!strncmp(sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
1e9e2be3 AC |
3621 | options |= BIT_8; |
3622 | else | |
3623 | options &= ~BIT_8; | |
3624 | ||
3625 | SET_BITVAL(sess->auto_snd_tgt_disable, options, BIT_6); | |
3626 | SET_BITVAL(sess->discovery_sess, options, BIT_4); | |
3627 | SET_BITVAL(sess->entry_state, options, BIT_3); | |
3628 | fw_ddb_entry->options = cpu_to_le16(options); | |
3629 | ||
3630 | options = le16_to_cpu(fw_ddb_entry->iscsi_options); | |
3631 | SET_BITVAL(conn->hdrdgst_en, options, BIT_13); | |
3632 | SET_BITVAL(conn->datadgst_en, options, BIT_12); | |
3633 | SET_BITVAL(sess->imm_data_en, options, BIT_11); | |
3634 | SET_BITVAL(sess->initial_r2t_en, options, BIT_10); | |
3635 | SET_BITVAL(sess->dataseq_inorder_en, options, BIT_9); | |
3636 | SET_BITVAL(sess->pdu_inorder_en, options, BIT_8); | |
3637 | SET_BITVAL(sess->chap_auth_en, options, BIT_7); | |
3638 | SET_BITVAL(conn->snack_req_en, options, BIT_6); | |
3639 | SET_BITVAL(sess->discovery_logout_en, options, BIT_5); | |
3640 | SET_BITVAL(sess->bidi_chap_en, options, BIT_4); | |
3641 | SET_BITVAL(sess->discovery_auth_optional, options, BIT_3); | |
3642 | SET_BITVAL(sess->erl & BIT_1, options, BIT_1); | |
3643 | SET_BITVAL(sess->erl & BIT_0, options, BIT_0); | |
3644 | fw_ddb_entry->iscsi_options = cpu_to_le16(options); | |
3645 | ||
3646 | options = le16_to_cpu(fw_ddb_entry->tcp_options); | |
3647 | SET_BITVAL(conn->tcp_timestamp_stat, options, BIT_6); | |
3648 | SET_BITVAL(conn->tcp_nagle_disable, options, BIT_5); | |
3649 | SET_BITVAL(conn->tcp_wsf_disable, options, BIT_4); | |
3650 | SET_BITVAL(conn->tcp_timer_scale & BIT_2, options, BIT_3); | |
3651 | SET_BITVAL(conn->tcp_timer_scale & BIT_1, options, BIT_2); | |
3652 | SET_BITVAL(conn->tcp_timer_scale & BIT_0, options, BIT_1); | |
3653 | SET_BITVAL(conn->tcp_timestamp_en, options, BIT_0); | |
3654 | fw_ddb_entry->tcp_options = cpu_to_le16(options); | |
3655 | ||
3656 | options = le16_to_cpu(fw_ddb_entry->ip_options); | |
3657 | SET_BITVAL(conn->fragment_disable, options, BIT_4); | |
3658 | fw_ddb_entry->ip_options = cpu_to_le16(options); | |
3659 | ||
3660 | fw_ddb_entry->iscsi_max_outsnd_r2t = cpu_to_le16(sess->max_r2t); | |
3661 | fw_ddb_entry->iscsi_max_rcv_data_seg_len = | |
3662 | cpu_to_le16(conn->max_recv_dlength / BYTE_UNITS); | |
3663 | fw_ddb_entry->iscsi_max_snd_data_seg_len = | |
3664 | cpu_to_le16(conn->max_xmit_dlength / BYTE_UNITS); | |
3665 | fw_ddb_entry->iscsi_first_burst_len = | |
3666 | cpu_to_le16(sess->first_burst / BYTE_UNITS); | |
3667 | fw_ddb_entry->iscsi_max_burst_len = cpu_to_le16(sess->max_burst / | |
3668 | BYTE_UNITS); | |
3669 | fw_ddb_entry->iscsi_def_time2wait = cpu_to_le16(sess->time2wait); | |
3670 | fw_ddb_entry->iscsi_def_time2retain = cpu_to_le16(sess->time2retain); | |
3671 | fw_ddb_entry->tgt_portal_grp = cpu_to_le16(sess->tpgt); | |
3672 | fw_ddb_entry->mss = cpu_to_le16(conn->max_segment_size); | |
fbcd4836 AC |
3673 | fw_ddb_entry->tcp_xmt_wsf = (uint8_t) cpu_to_le32(conn->tcp_xmit_wsf); |
3674 | fw_ddb_entry->tcp_rcv_wsf = (uint8_t) cpu_to_le32(conn->tcp_recv_wsf); | |
1e9e2be3 AC |
3675 | fw_ddb_entry->ipv6_flow_lbl = cpu_to_le16(conn->ipv6_flow_label); |
3676 | fw_ddb_entry->ka_timeout = cpu_to_le16(conn->keepalive_timeout); | |
3677 | fw_ddb_entry->lcl_port = cpu_to_le16(conn->local_port); | |
fbcd4836 AC |
3678 | fw_ddb_entry->stat_sn = cpu_to_le32(conn->statsn); |
3679 | fw_ddb_entry->exp_stat_sn = cpu_to_le32(conn->exp_statsn); | |
65560166 | 3680 | fw_ddb_entry->ddb_link = cpu_to_le16(sess->discovery_parent_idx); |
1e9e2be3 AC |
3681 | fw_ddb_entry->chap_tbl_idx = cpu_to_le16(sess->chap_out_idx); |
3682 | fw_ddb_entry->tsid = cpu_to_le16(sess->tsid); | |
3683 | fw_ddb_entry->port = cpu_to_le16(conn->port); | |
3684 | fw_ddb_entry->def_timeout = | |
3685 | cpu_to_le16(sess->default_taskmgmt_timeout); | |
3686 | ||
84595802 AC |
3687 | if (!strncmp(sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
3688 | fw_ddb_entry->ipv4_tos = conn->ipv6_traffic_class; | |
3689 | else | |
3690 | fw_ddb_entry->ipv4_tos = conn->ipv4_tos; | |
3691 | ||
1e9e2be3 AC |
3692 | if (conn->ipaddress) |
3693 | memcpy(fw_ddb_entry->ip_addr, conn->ipaddress, | |
3694 | sizeof(fw_ddb_entry->ip_addr)); | |
3695 | ||
3696 | if (conn->redirect_ipaddr) | |
3697 | memcpy(fw_ddb_entry->tgt_addr, conn->redirect_ipaddr, | |
3698 | sizeof(fw_ddb_entry->tgt_addr)); | |
3699 | ||
3700 | if (conn->link_local_ipv6_addr) | |
3701 | memcpy(fw_ddb_entry->link_local_ipv6_addr, | |
3702 | conn->link_local_ipv6_addr, | |
3703 | sizeof(fw_ddb_entry->link_local_ipv6_addr)); | |
3704 | ||
3705 | if (sess->targetname) | |
3706 | memcpy(fw_ddb_entry->iscsi_name, sess->targetname, | |
3707 | sizeof(fw_ddb_entry->iscsi_name)); | |
3708 | ||
3709 | if (sess->targetalias) | |
3710 | memcpy(fw_ddb_entry->iscsi_alias, sess->targetalias, | |
3711 | sizeof(fw_ddb_entry->iscsi_alias)); | |
3712 | ||
3713 | COPY_ISID(fw_ddb_entry->isid, sess->isid); | |
3714 | ||
3715 | return rc; | |
3716 | } | |
3717 | ||
8cc91d42 AC |
3718 | static void qla4xxx_copy_to_sess_conn_params(struct iscsi_conn *conn, |
3719 | struct iscsi_session *sess, | |
3720 | struct dev_db_entry *fw_ddb_entry) | |
3721 | { | |
3722 | unsigned long options = 0; | |
3723 | uint16_t ddb_link; | |
3724 | uint16_t disc_parent; | |
fb734ee3 | 3725 | char ip_addr[DDB_IPADDR_LEN]; |
8cc91d42 AC |
3726 | |
3727 | options = le16_to_cpu(fw_ddb_entry->options); | |
3728 | conn->is_fw_assigned_ipv6 = test_bit(OPT_IS_FW_ASSIGNED_IPV6, &options); | |
3729 | sess->auto_snd_tgt_disable = test_bit(OPT_AUTO_SENDTGTS_DISABLE, | |
3730 | &options); | |
3731 | sess->discovery_sess = test_bit(OPT_DISC_SESSION, &options); | |
3732 | ||
3733 | options = le16_to_cpu(fw_ddb_entry->iscsi_options); | |
3734 | conn->hdrdgst_en = test_bit(ISCSIOPT_HEADER_DIGEST_EN, &options); | |
3735 | conn->datadgst_en = test_bit(ISCSIOPT_DATA_DIGEST_EN, &options); | |
3736 | sess->imm_data_en = test_bit(ISCSIOPT_IMMEDIATE_DATA_EN, &options); | |
3737 | sess->initial_r2t_en = test_bit(ISCSIOPT_INITIAL_R2T_EN, &options); | |
3738 | sess->dataseq_inorder_en = test_bit(ISCSIOPT_DATA_SEQ_IN_ORDER, | |
3739 | &options); | |
3740 | sess->pdu_inorder_en = test_bit(ISCSIOPT_DATA_PDU_IN_ORDER, &options); | |
3741 | sess->chap_auth_en = test_bit(ISCSIOPT_CHAP_AUTH_EN, &options); | |
3742 | sess->discovery_logout_en = test_bit(ISCSIOPT_DISCOVERY_LOGOUT_EN, | |
3743 | &options); | |
3744 | sess->bidi_chap_en = test_bit(ISCSIOPT_BIDI_CHAP_EN, &options); | |
3745 | sess->discovery_auth_optional = | |
3746 | test_bit(ISCSIOPT_DISCOVERY_AUTH_OPTIONAL, &options); | |
3747 | if (test_bit(ISCSIOPT_ERL1, &options)) | |
3748 | sess->erl |= BIT_1; | |
3749 | if (test_bit(ISCSIOPT_ERL0, &options)) | |
3750 | sess->erl |= BIT_0; | |
3751 | ||
3752 | options = le16_to_cpu(fw_ddb_entry->tcp_options); | |
3753 | conn->tcp_timestamp_stat = test_bit(TCPOPT_TIMESTAMP_STAT, &options); | |
3754 | conn->tcp_nagle_disable = test_bit(TCPOPT_NAGLE_DISABLE, &options); | |
3755 | conn->tcp_wsf_disable = test_bit(TCPOPT_WSF_DISABLE, &options); | |
3756 | if (test_bit(TCPOPT_TIMER_SCALE3, &options)) | |
3757 | conn->tcp_timer_scale |= BIT_3; | |
3758 | if (test_bit(TCPOPT_TIMER_SCALE2, &options)) | |
3759 | conn->tcp_timer_scale |= BIT_2; | |
3760 | if (test_bit(TCPOPT_TIMER_SCALE1, &options)) | |
3761 | conn->tcp_timer_scale |= BIT_1; | |
3762 | ||
3763 | conn->tcp_timer_scale >>= 1; | |
3764 | conn->tcp_timestamp_en = test_bit(TCPOPT_TIMESTAMP_EN, &options); | |
3765 | ||
3766 | options = le16_to_cpu(fw_ddb_entry->ip_options); | |
3767 | conn->fragment_disable = test_bit(IPOPT_FRAGMENT_DISABLE, &options); | |
3768 | ||
3769 | conn->max_recv_dlength = BYTE_UNITS * | |
3770 | le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len); | |
3771 | conn->max_xmit_dlength = BYTE_UNITS * | |
3772 | le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len); | |
3773 | sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t); | |
3774 | sess->first_burst = BYTE_UNITS * | |
3775 | le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len); | |
3776 | sess->max_burst = BYTE_UNITS * | |
3777 | le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len); | |
3778 | sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); | |
3779 | sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain); | |
3780 | sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); | |
3781 | conn->max_segment_size = le16_to_cpu(fw_ddb_entry->mss); | |
3782 | conn->tcp_xmit_wsf = fw_ddb_entry->tcp_xmt_wsf; | |
3783 | conn->tcp_recv_wsf = fw_ddb_entry->tcp_rcv_wsf; | |
3784 | conn->ipv4_tos = fw_ddb_entry->ipv4_tos; | |
3785 | conn->keepalive_tmo = le16_to_cpu(fw_ddb_entry->ka_timeout); | |
3786 | conn->local_port = le16_to_cpu(fw_ddb_entry->lcl_port); | |
3787 | conn->statsn = le32_to_cpu(fw_ddb_entry->stat_sn); | |
3788 | conn->exp_statsn = le32_to_cpu(fw_ddb_entry->exp_stat_sn); | |
3789 | sess->tsid = le16_to_cpu(fw_ddb_entry->tsid); | |
3790 | COPY_ISID(sess->isid, fw_ddb_entry->isid); | |
3791 | ||
3792 | ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); | |
8cc91d42 AC |
3793 | if (ddb_link == DDB_ISNS) |
3794 | disc_parent = ISCSI_DISC_PARENT_ISNS; | |
3795 | else if (ddb_link == DDB_NO_LINK) | |
3796 | disc_parent = ISCSI_DISC_PARENT_UNKNOWN; | |
3797 | else if (ddb_link < MAX_DDB_ENTRIES) | |
3798 | disc_parent = ISCSI_DISC_PARENT_SENDTGT; | |
3799 | else | |
3800 | disc_parent = ISCSI_DISC_PARENT_UNKNOWN; | |
3801 | ||
3802 | iscsi_set_param(conn->cls_conn, ISCSI_PARAM_DISCOVERY_PARENT_TYPE, | |
3803 | iscsi_get_discovery_parent_name(disc_parent), 0); | |
3804 | ||
3805 | iscsi_set_param(conn->cls_conn, ISCSI_PARAM_TARGET_ALIAS, | |
3806 | (char *)fw_ddb_entry->iscsi_alias, 0); | |
fb734ee3 AC |
3807 | |
3808 | options = le16_to_cpu(fw_ddb_entry->options); | |
3809 | if (options & DDB_OPT_IPV6_DEVICE) { | |
3810 | memset(ip_addr, 0, sizeof(ip_addr)); | |
3811 | sprintf(ip_addr, "%pI6", fw_ddb_entry->link_local_ipv6_addr); | |
3812 | iscsi_set_param(conn->cls_conn, ISCSI_PARAM_LOCAL_IPADDR, | |
3813 | (char *)ip_addr, 0); | |
3814 | } | |
8cc91d42 AC |
3815 | } |
3816 | ||
13483730 MC |
3817 | static void qla4xxx_copy_fwddb_param(struct scsi_qla_host *ha, |
3818 | struct dev_db_entry *fw_ddb_entry, | |
3819 | struct iscsi_cls_session *cls_sess, | |
3820 | struct iscsi_cls_conn *cls_conn) | |
3821 | { | |
3822 | int buflen = 0; | |
3823 | struct iscsi_session *sess; | |
376738af | 3824 | struct ddb_entry *ddb_entry; |
946ac571 | 3825 | struct ql4_chap_table chap_tbl; |
13483730 MC |
3826 | struct iscsi_conn *conn; |
3827 | char ip_addr[DDB_IPADDR_LEN]; | |
3828 | uint16_t options = 0; | |
3829 | ||
3830 | sess = cls_sess->dd_data; | |
376738af | 3831 | ddb_entry = sess->dd_data; |
13483730 | 3832 | conn = cls_conn->dd_data; |
946ac571 | 3833 | memset(&chap_tbl, 0, sizeof(chap_tbl)); |
13483730 | 3834 | |
376738af NJ |
3835 | ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); |
3836 | ||
8cc91d42 | 3837 | qla4xxx_copy_to_sess_conn_params(conn, sess, fw_ddb_entry); |
13483730 | 3838 | |
8cc91d42 | 3839 | sess->def_taskmgmt_tmo = le16_to_cpu(fw_ddb_entry->def_timeout); |
13483730 MC |
3840 | conn->persistent_port = le16_to_cpu(fw_ddb_entry->port); |
3841 | ||
8cc91d42 | 3842 | memset(ip_addr, 0, sizeof(ip_addr)); |
13483730 | 3843 | options = le16_to_cpu(fw_ddb_entry->options); |
8cc91d42 AC |
3844 | if (options & DDB_OPT_IPV6_DEVICE) { |
3845 | iscsi_set_param(cls_conn, ISCSI_PARAM_PORTAL_TYPE, "ipv6", 4); | |
3846 | ||
3847 | memset(ip_addr, 0, sizeof(ip_addr)); | |
13483730 | 3848 | sprintf(ip_addr, "%pI6", fw_ddb_entry->ip_addr); |
8cc91d42 AC |
3849 | } else { |
3850 | iscsi_set_param(cls_conn, ISCSI_PARAM_PORTAL_TYPE, "ipv4", 4); | |
13483730 | 3851 | sprintf(ip_addr, "%pI4", fw_ddb_entry->ip_addr); |
8cc91d42 | 3852 | } |
13483730 | 3853 | |
8cc91d42 AC |
3854 | iscsi_set_param(cls_conn, ISCSI_PARAM_PERSISTENT_ADDRESS, |
3855 | (char *)ip_addr, buflen); | |
13483730 MC |
3856 | iscsi_set_param(cls_conn, ISCSI_PARAM_TARGET_NAME, |
3857 | (char *)fw_ddb_entry->iscsi_name, buflen); | |
3858 | iscsi_set_param(cls_conn, ISCSI_PARAM_INITIATOR_NAME, | |
3859 | (char *)ha->name_string, buflen); | |
946ac571 AC |
3860 | |
3861 | if (ddb_entry->chap_tbl_idx != INVALID_ENTRY) { | |
3862 | if (!qla4xxx_get_uni_chap_at_index(ha, chap_tbl.name, | |
3863 | chap_tbl.secret, | |
3864 | ddb_entry->chap_tbl_idx)) { | |
3865 | iscsi_set_param(cls_conn, ISCSI_PARAM_USERNAME, | |
3866 | (char *)chap_tbl.name, | |
3867 | strlen((char *)chap_tbl.name)); | |
3868 | iscsi_set_param(cls_conn, ISCSI_PARAM_PASSWORD, | |
3869 | (char *)chap_tbl.secret, | |
3870 | chap_tbl.secret_len); | |
3871 | } | |
3872 | } | |
13483730 MC |
3873 | } |
3874 | ||
3875 | void qla4xxx_update_session_conn_fwddb_param(struct scsi_qla_host *ha, | |
3876 | struct ddb_entry *ddb_entry) | |
3877 | { | |
3878 | struct iscsi_cls_session *cls_sess; | |
3879 | struct iscsi_cls_conn *cls_conn; | |
3880 | uint32_t ddb_state; | |
3881 | dma_addr_t fw_ddb_entry_dma; | |
3882 | struct dev_db_entry *fw_ddb_entry; | |
3883 | ||
3884 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
3885 | &fw_ddb_entry_dma, GFP_KERNEL); | |
3886 | if (!fw_ddb_entry) { | |
3887 | ql4_printk(KERN_ERR, ha, | |
3888 | "%s: Unable to allocate dma buffer\n", __func__); | |
3889 | goto exit_session_conn_fwddb_param; | |
3890 | } | |
3891 | ||
3892 | if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry, | |
3893 | fw_ddb_entry_dma, NULL, NULL, &ddb_state, | |
3894 | NULL, NULL, NULL) == QLA_ERROR) { | |
3895 | DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed " | |
3896 | "get_ddb_entry for fw_ddb_index %d\n", | |
3897 | ha->host_no, __func__, | |
3898 | ddb_entry->fw_ddb_index)); | |
3899 | goto exit_session_conn_fwddb_param; | |
3900 | } | |
3901 | ||
3902 | cls_sess = ddb_entry->sess; | |
3903 | ||
3904 | cls_conn = ddb_entry->conn; | |
3905 | ||
3906 | /* Update params */ | |
3907 | qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn); | |
3908 | ||
3909 | exit_session_conn_fwddb_param: | |
3910 | if (fw_ddb_entry) | |
3911 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
3912 | fw_ddb_entry, fw_ddb_entry_dma); | |
3913 | } | |
3914 | ||
b3a271a9 MR |
3915 | void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha, |
3916 | struct ddb_entry *ddb_entry) | |
3917 | { | |
3918 | struct iscsi_cls_session *cls_sess; | |
3919 | struct iscsi_cls_conn *cls_conn; | |
3920 | struct iscsi_session *sess; | |
3921 | struct iscsi_conn *conn; | |
3922 | uint32_t ddb_state; | |
3923 | dma_addr_t fw_ddb_entry_dma; | |
3924 | struct dev_db_entry *fw_ddb_entry; | |
3925 | ||
3926 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
3927 | &fw_ddb_entry_dma, GFP_KERNEL); | |
3928 | if (!fw_ddb_entry) { | |
3929 | ql4_printk(KERN_ERR, ha, | |
3930 | "%s: Unable to allocate dma buffer\n", __func__); | |
13483730 | 3931 | goto exit_session_conn_param; |
b3a271a9 MR |
3932 | } |
3933 | ||
3934 | if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry, | |
3935 | fw_ddb_entry_dma, NULL, NULL, &ddb_state, | |
3936 | NULL, NULL, NULL) == QLA_ERROR) { | |
3937 | DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed " | |
3938 | "get_ddb_entry for fw_ddb_index %d\n", | |
3939 | ha->host_no, __func__, | |
3940 | ddb_entry->fw_ddb_index)); | |
13483730 | 3941 | goto exit_session_conn_param; |
b3a271a9 MR |
3942 | } |
3943 | ||
3944 | cls_sess = ddb_entry->sess; | |
3945 | sess = cls_sess->dd_data; | |
3946 | ||
3947 | cls_conn = ddb_entry->conn; | |
3948 | conn = cls_conn->dd_data; | |
3949 | ||
13483730 MC |
3950 | /* Update timers after login */ |
3951 | ddb_entry->default_relogin_timeout = | |
c28eaaca NJ |
3952 | (le16_to_cpu(fw_ddb_entry->def_timeout) > LOGIN_TOV) && |
3953 | (le16_to_cpu(fw_ddb_entry->def_timeout) < LOGIN_TOV * 10) ? | |
3954 | le16_to_cpu(fw_ddb_entry->def_timeout) : LOGIN_TOV; | |
13483730 MC |
3955 | ddb_entry->default_time2wait = |
3956 | le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); | |
3957 | ||
b3a271a9 | 3958 | /* Update params */ |
376738af | 3959 | ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); |
8cc91d42 | 3960 | qla4xxx_copy_to_sess_conn_params(conn, sess, fw_ddb_entry); |
b3a271a9 MR |
3961 | |
3962 | memcpy(sess->initiatorname, ha->name_string, | |
3963 | min(sizeof(ha->name_string), sizeof(sess->initiatorname))); | |
13483730 MC |
3964 | |
3965 | exit_session_conn_param: | |
3966 | if (fw_ddb_entry) | |
3967 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
3968 | fw_ddb_entry, fw_ddb_entry_dma); | |
b3a271a9 MR |
3969 | } |
3970 | ||
afaf5a2d DS |
3971 | /* |
3972 | * Timer routines | |
3973 | */ | |
d744644a | 3974 | static void qla4xxx_timer(struct timer_list *t); |
afaf5a2d | 3975 | |
d744644a | 3976 | static void qla4xxx_start_timer(struct scsi_qla_host *ha, |
afaf5a2d DS |
3977 | unsigned long interval) |
3978 | { | |
3979 | DEBUG(printk("scsi: %s: Starting timer thread for adapter %d\n", | |
3980 | __func__, ha->host->host_no)); | |
d744644a | 3981 | timer_setup(&ha->timer, qla4xxx_timer, 0); |
afaf5a2d | 3982 | ha->timer.expires = jiffies + interval * HZ; |
afaf5a2d DS |
3983 | add_timer(&ha->timer); |
3984 | ha->timer_active = 1; | |
3985 | } | |
3986 | ||
3987 | static void qla4xxx_stop_timer(struct scsi_qla_host *ha) | |
3988 | { | |
3989 | del_timer_sync(&ha->timer); | |
3990 | ha->timer_active = 0; | |
3991 | } | |
3992 | ||
3993 | /*** | |
b3a271a9 MR |
3994 | * qla4xxx_mark_device_missing - blocks the session |
3995 | * @cls_session: Pointer to the session to be blocked | |
afaf5a2d DS |
3996 | * @ddb_entry: Pointer to device database entry |
3997 | * | |
f4f5df23 | 3998 | * This routine marks a device missing and close connection. |
afaf5a2d | 3999 | **/ |
b3a271a9 | 4000 | void qla4xxx_mark_device_missing(struct iscsi_cls_session *cls_session) |
afaf5a2d | 4001 | { |
b3a271a9 | 4002 | iscsi_block_session(cls_session); |
afaf5a2d DS |
4003 | } |
4004 | ||
f4f5df23 VC |
4005 | /** |
4006 | * qla4xxx_mark_all_devices_missing - mark all devices as missing. | |
4007 | * @ha: Pointer to host adapter structure. | |
4008 | * | |
4009 | * This routine marks a device missing and resets the relogin retry count. | |
4010 | **/ | |
4011 | void qla4xxx_mark_all_devices_missing(struct scsi_qla_host *ha) | |
4012 | { | |
b3a271a9 | 4013 | iscsi_host_for_each_session(ha->host, qla4xxx_mark_device_missing); |
f4f5df23 VC |
4014 | } |
4015 | ||
afaf5a2d DS |
4016 | static struct srb* qla4xxx_get_new_srb(struct scsi_qla_host *ha, |
4017 | struct ddb_entry *ddb_entry, | |
8f0722ca | 4018 | struct scsi_cmnd *cmd) |
afaf5a2d DS |
4019 | { |
4020 | struct srb *srb; | |
4021 | ||
4022 | srb = mempool_alloc(ha->srb_mempool, GFP_ATOMIC); | |
4023 | if (!srb) | |
4024 | return srb; | |
4025 | ||
09a0f719 | 4026 | kref_init(&srb->srb_ref); |
afaf5a2d DS |
4027 | srb->ha = ha; |
4028 | srb->ddb = ddb_entry; | |
4029 | srb->cmd = cmd; | |
4030 | srb->flags = 0; | |
5369887a | 4031 | CMD_SP(cmd) = (void *)srb; |
afaf5a2d DS |
4032 | |
4033 | return srb; | |
4034 | } | |
4035 | ||
4036 | static void qla4xxx_srb_free_dma(struct scsi_qla_host *ha, struct srb *srb) | |
4037 | { | |
4038 | struct scsi_cmnd *cmd = srb->cmd; | |
4039 | ||
4040 | if (srb->flags & SRB_DMA_VALID) { | |
5f7186c8 | 4041 | scsi_dma_unmap(cmd); |
afaf5a2d DS |
4042 | srb->flags &= ~SRB_DMA_VALID; |
4043 | } | |
5369887a | 4044 | CMD_SP(cmd) = NULL; |
afaf5a2d DS |
4045 | } |
4046 | ||
09a0f719 | 4047 | void qla4xxx_srb_compl(struct kref *ref) |
afaf5a2d | 4048 | { |
09a0f719 | 4049 | struct srb *srb = container_of(ref, struct srb, srb_ref); |
afaf5a2d | 4050 | struct scsi_cmnd *cmd = srb->cmd; |
09a0f719 | 4051 | struct scsi_qla_host *ha = srb->ha; |
afaf5a2d DS |
4052 | |
4053 | qla4xxx_srb_free_dma(ha, srb); | |
4054 | ||
4055 | mempool_free(srb, ha->srb_mempool); | |
4056 | ||
4057 | cmd->scsi_done(cmd); | |
4058 | } | |
4059 | ||
4060 | /** | |
4061 | * qla4xxx_queuecommand - scsi layer issues scsi command to driver. | |
8f0722ca | 4062 | * @host: scsi host |
afaf5a2d | 4063 | * @cmd: Pointer to Linux's SCSI command structure |
afaf5a2d DS |
4064 | * |
4065 | * Remarks: | |
4066 | * This routine is invoked by Linux to send a SCSI command to the driver. | |
4067 | * The mid-level driver tries to ensure that queuecommand never gets | |
4068 | * invoked concurrently with itself or the interrupt handler (although | |
4069 | * the interrupt handler may call this routine as part of request- | |
4070 | * completion handling). Unfortunely, it sometimes calls the scheduler | |
4071 | * in interrupt context which is a big NO! NO!. | |
4072 | **/ | |
8f0722ca | 4073 | static int qla4xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) |
afaf5a2d | 4074 | { |
8f0722ca | 4075 | struct scsi_qla_host *ha = to_qla_host(host); |
afaf5a2d | 4076 | struct ddb_entry *ddb_entry = cmd->device->hostdata; |
7fb1921b | 4077 | struct iscsi_cls_session *sess = ddb_entry->sess; |
afaf5a2d DS |
4078 | struct srb *srb; |
4079 | int rval; | |
4080 | ||
2232be0d LC |
4081 | if (test_bit(AF_EEH_BUSY, &ha->flags)) { |
4082 | if (test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags)) | |
4083 | cmd->result = DID_NO_CONNECT << 16; | |
4084 | else | |
4085 | cmd->result = DID_REQUEUE << 16; | |
4086 | goto qc_fail_command; | |
4087 | } | |
4088 | ||
7fb1921b MC |
4089 | if (!sess) { |
4090 | cmd->result = DID_IMM_RETRY << 16; | |
4091 | goto qc_fail_command; | |
4092 | } | |
4093 | ||
4094 | rval = iscsi_session_chkready(sess); | |
4095 | if (rval) { | |
4096 | cmd->result = rval; | |
4097 | goto qc_fail_command; | |
4098 | } | |
4099 | ||
f4f5df23 VC |
4100 | if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || |
4101 | test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) || | |
4102 | test_bit(DPC_RESET_HA, &ha->dpc_flags) || | |
4103 | test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) || | |
4104 | test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) || | |
4105 | !test_bit(AF_ONLINE, &ha->flags) || | |
b3a271a9 | 4106 | !test_bit(AF_LINK_UP, &ha->flags) || |
026fbd3a | 4107 | test_bit(AF_LOOPBACK, &ha->flags) || |
7ab284c9 NJ |
4108 | test_bit(DPC_POST_IDC_ACK, &ha->dpc_flags) || |
4109 | test_bit(DPC_RESTORE_ACB, &ha->dpc_flags) || | |
f4f5df23 | 4110 | test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) |
477ffb9d DS |
4111 | goto qc_host_busy; |
4112 | ||
8f0722ca | 4113 | srb = qla4xxx_get_new_srb(ha, ddb_entry, cmd); |
afaf5a2d | 4114 | if (!srb) |
8f0722ca | 4115 | goto qc_host_busy; |
afaf5a2d DS |
4116 | |
4117 | rval = qla4xxx_send_command_to_isp(ha, srb); | |
4118 | if (rval != QLA_SUCCESS) | |
4119 | goto qc_host_busy_free_sp; | |
4120 | ||
afaf5a2d DS |
4121 | return 0; |
4122 | ||
4123 | qc_host_busy_free_sp: | |
4124 | qla4xxx_srb_free_dma(ha, srb); | |
4125 | mempool_free(srb, ha->srb_mempool); | |
4126 | ||
afaf5a2d DS |
4127 | qc_host_busy: |
4128 | return SCSI_MLQUEUE_HOST_BUSY; | |
4129 | ||
4130 | qc_fail_command: | |
8f0722ca | 4131 | cmd->scsi_done(cmd); |
afaf5a2d DS |
4132 | |
4133 | return 0; | |
4134 | } | |
4135 | ||
4136 | /** | |
4137 | * qla4xxx_mem_free - frees memory allocated to adapter | |
4138 | * @ha: Pointer to host adapter structure. | |
4139 | * | |
4140 | * Frees memory previously allocated by qla4xxx_mem_alloc | |
4141 | **/ | |
4142 | static void qla4xxx_mem_free(struct scsi_qla_host *ha) | |
4143 | { | |
4144 | if (ha->queues) | |
4145 | dma_free_coherent(&ha->pdev->dev, ha->queues_len, ha->queues, | |
4146 | ha->queues_dma); | |
4147 | ||
068237c8 TP |
4148 | if (ha->fw_dump) |
4149 | vfree(ha->fw_dump); | |
4150 | ||
afaf5a2d DS |
4151 | ha->queues_len = 0; |
4152 | ha->queues = NULL; | |
4153 | ha->queues_dma = 0; | |
4154 | ha->request_ring = NULL; | |
4155 | ha->request_dma = 0; | |
4156 | ha->response_ring = NULL; | |
4157 | ha->response_dma = 0; | |
4158 | ha->shadow_regs = NULL; | |
4159 | ha->shadow_regs_dma = 0; | |
068237c8 TP |
4160 | ha->fw_dump = NULL; |
4161 | ha->fw_dump_size = 0; | |
afaf5a2d DS |
4162 | |
4163 | /* Free srb pool. */ | |
b03f3c3e | 4164 | mempool_destroy(ha->srb_mempool); |
afaf5a2d DS |
4165 | ha->srb_mempool = NULL; |
4166 | ||
08cf8ab3 | 4167 | dma_pool_destroy(ha->chap_dma_pool); |
b3a271a9 | 4168 | |
4549415a LC |
4169 | if (ha->chap_list) |
4170 | vfree(ha->chap_list); | |
4171 | ha->chap_list = NULL; | |
4172 | ||
08cf8ab3 | 4173 | dma_pool_destroy(ha->fw_ddb_dma_pool); |
13483730 | 4174 | |
afaf5a2d | 4175 | /* release io space registers */ |
f4f5df23 VC |
4176 | if (is_qla8022(ha)) { |
4177 | if (ha->nx_pcibase) | |
4178 | iounmap( | |
4179 | (struct device_reg_82xx __iomem *)ha->nx_pcibase); | |
b37ca418 | 4180 | } else if (is_qla8032(ha) || is_qla8042(ha)) { |
6e7b4292 VC |
4181 | if (ha->nx_pcibase) |
4182 | iounmap( | |
4183 | (struct device_reg_83xx __iomem *)ha->nx_pcibase); | |
4184 | } else if (ha->reg) { | |
afaf5a2d | 4185 | iounmap(ha->reg); |
6e7b4292 VC |
4186 | } |
4187 | ||
4188 | if (ha->reset_tmplt.buff) | |
4189 | vfree(ha->reset_tmplt.buff); | |
4190 | ||
afaf5a2d DS |
4191 | pci_release_regions(ha->pdev); |
4192 | } | |
4193 | ||
4194 | /** | |
4195 | * qla4xxx_mem_alloc - allocates memory for use by adapter. | |
4196 | * @ha: Pointer to host adapter structure | |
4197 | * | |
4198 | * Allocates DMA memory for request and response queues. Also allocates memory | |
4199 | * for srbs. | |
4200 | **/ | |
4201 | static int qla4xxx_mem_alloc(struct scsi_qla_host *ha) | |
4202 | { | |
4203 | unsigned long align; | |
4204 | ||
4205 | /* Allocate contiguous block of DMA memory for queues. */ | |
4206 | ha->queues_len = ((REQUEST_QUEUE_DEPTH * QUEUE_SIZE) + | |
4207 | (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE) + | |
4208 | sizeof(struct shadow_regs) + | |
4209 | MEM_ALIGN_VALUE + | |
4210 | (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1); | |
750afb08 LC |
4211 | ha->queues = dma_alloc_coherent(&ha->pdev->dev, ha->queues_len, |
4212 | &ha->queues_dma, GFP_KERNEL); | |
afaf5a2d | 4213 | if (ha->queues == NULL) { |
c2660df3 VC |
4214 | ql4_printk(KERN_WARNING, ha, |
4215 | "Memory Allocation failed - queues.\n"); | |
afaf5a2d DS |
4216 | |
4217 | goto mem_alloc_error_exit; | |
4218 | } | |
afaf5a2d DS |
4219 | |
4220 | /* | |
4221 | * As per RISC alignment requirements -- the bus-address must be a | |
4222 | * multiple of the request-ring size (in bytes). | |
4223 | */ | |
4224 | align = 0; | |
4225 | if ((unsigned long)ha->queues_dma & (MEM_ALIGN_VALUE - 1)) | |
4226 | align = MEM_ALIGN_VALUE - ((unsigned long)ha->queues_dma & | |
4227 | (MEM_ALIGN_VALUE - 1)); | |
4228 | ||
4229 | /* Update request and response queue pointers. */ | |
4230 | ha->request_dma = ha->queues_dma + align; | |
4231 | ha->request_ring = (struct queue_entry *) (ha->queues + align); | |
4232 | ha->response_dma = ha->queues_dma + align + | |
4233 | (REQUEST_QUEUE_DEPTH * QUEUE_SIZE); | |
4234 | ha->response_ring = (struct queue_entry *) (ha->queues + align + | |
4235 | (REQUEST_QUEUE_DEPTH * | |
4236 | QUEUE_SIZE)); | |
4237 | ha->shadow_regs_dma = ha->queues_dma + align + | |
4238 | (REQUEST_QUEUE_DEPTH * QUEUE_SIZE) + | |
4239 | (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE); | |
4240 | ha->shadow_regs = (struct shadow_regs *) (ha->queues + align + | |
4241 | (REQUEST_QUEUE_DEPTH * | |
4242 | QUEUE_SIZE) + | |
4243 | (RESPONSE_QUEUE_DEPTH * | |
4244 | QUEUE_SIZE)); | |
4245 | ||
4246 | /* Allocate memory for srb pool. */ | |
4247 | ha->srb_mempool = mempool_create(SRB_MIN_REQ, mempool_alloc_slab, | |
4248 | mempool_free_slab, srb_cachep); | |
4249 | if (ha->srb_mempool == NULL) { | |
c2660df3 VC |
4250 | ql4_printk(KERN_WARNING, ha, |
4251 | "Memory Allocation failed - SRB Pool.\n"); | |
afaf5a2d DS |
4252 | |
4253 | goto mem_alloc_error_exit; | |
4254 | } | |
4255 | ||
b3a271a9 MR |
4256 | ha->chap_dma_pool = dma_pool_create("ql4_chap", &ha->pdev->dev, |
4257 | CHAP_DMA_BLOCK_SIZE, 8, 0); | |
4258 | ||
4259 | if (ha->chap_dma_pool == NULL) { | |
4260 | ql4_printk(KERN_WARNING, ha, | |
4261 | "%s: chap_dma_pool allocation failed..\n", __func__); | |
4262 | goto mem_alloc_error_exit; | |
4263 | } | |
4264 | ||
13483730 MC |
4265 | ha->fw_ddb_dma_pool = dma_pool_create("ql4_fw_ddb", &ha->pdev->dev, |
4266 | DDB_DMA_BLOCK_SIZE, 8, 0); | |
4267 | ||
4268 | if (ha->fw_ddb_dma_pool == NULL) { | |
4269 | ql4_printk(KERN_WARNING, ha, | |
4270 | "%s: fw_ddb_dma_pool allocation failed..\n", | |
4271 | __func__); | |
4272 | goto mem_alloc_error_exit; | |
4273 | } | |
4274 | ||
afaf5a2d DS |
4275 | return QLA_SUCCESS; |
4276 | ||
4277 | mem_alloc_error_exit: | |
afaf5a2d DS |
4278 | return QLA_ERROR; |
4279 | } | |
4280 | ||
4f77083e MH |
4281 | /** |
4282 | * qla4_8xxx_check_temp - Check the ISP82XX temperature. | |
4283 | * @ha: adapter block pointer. | |
4284 | * | |
4285 | * Note: The caller should not hold the idc lock. | |
4286 | **/ | |
4287 | static int qla4_8xxx_check_temp(struct scsi_qla_host *ha) | |
4288 | { | |
4289 | uint32_t temp, temp_state, temp_val; | |
4290 | int status = QLA_SUCCESS; | |
4291 | ||
33693c7a | 4292 | temp = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_TEMP_STATE); |
4f77083e MH |
4293 | |
4294 | temp_state = qla82xx_get_temp_state(temp); | |
4295 | temp_val = qla82xx_get_temp_val(temp); | |
4296 | ||
4297 | if (temp_state == QLA82XX_TEMP_PANIC) { | |
4298 | ql4_printk(KERN_WARNING, ha, "Device temperature %d degrees C" | |
4299 | " exceeds maximum allowed. Hardware has been shut" | |
4300 | " down.\n", temp_val); | |
4301 | status = QLA_ERROR; | |
4302 | } else if (temp_state == QLA82XX_TEMP_WARN) { | |
4303 | if (ha->temperature == QLA82XX_TEMP_NORMAL) | |
4304 | ql4_printk(KERN_WARNING, ha, "Device temperature %d" | |
4305 | " degrees C exceeds operating range." | |
4306 | " Immediate action needed.\n", temp_val); | |
4307 | } else { | |
4308 | if (ha->temperature == QLA82XX_TEMP_WARN) | |
4309 | ql4_printk(KERN_INFO, ha, "Device temperature is" | |
4310 | " now %d degrees C in normal range.\n", | |
4311 | temp_val); | |
4312 | } | |
4313 | ha->temperature = temp_state; | |
4314 | return status; | |
4315 | } | |
4316 | ||
f4f5df23 VC |
4317 | /** |
4318 | * qla4_8xxx_check_fw_alive - Check firmware health | |
4319 | * @ha: Pointer to host adapter structure. | |
4320 | * | |
4321 | * Context: Interrupt | |
4322 | **/ | |
9ee91a38 | 4323 | static int qla4_8xxx_check_fw_alive(struct scsi_qla_host *ha) |
f4f5df23 | 4324 | { |
9ee91a38 SS |
4325 | uint32_t fw_heartbeat_counter; |
4326 | int status = QLA_SUCCESS; | |
f4f5df23 | 4327 | |
33693c7a VC |
4328 | fw_heartbeat_counter = qla4_8xxx_rd_direct(ha, |
4329 | QLA8XXX_PEG_ALIVE_COUNTER); | |
2232be0d LC |
4330 | /* If PEG_ALIVE_COUNTER is 0xffffffff, AER/EEH is in progress, ignore */ |
4331 | if (fw_heartbeat_counter == 0xffffffff) { | |
4332 | DEBUG2(printk(KERN_WARNING "scsi%ld: %s: Device in frozen " | |
4333 | "state, QLA82XX_PEG_ALIVE_COUNTER is 0xffffffff\n", | |
4334 | ha->host_no, __func__)); | |
9ee91a38 | 4335 | return status; |
2232be0d | 4336 | } |
f4f5df23 VC |
4337 | |
4338 | if (ha->fw_heartbeat_counter == fw_heartbeat_counter) { | |
4339 | ha->seconds_since_last_heartbeat++; | |
4340 | /* FW not alive after 2 seconds */ | |
4341 | if (ha->seconds_since_last_heartbeat == 2) { | |
4342 | ha->seconds_since_last_heartbeat = 0; | |
6e7b4292 | 4343 | qla4_8xxx_dump_peg_reg(ha); |
9ee91a38 | 4344 | status = QLA_ERROR; |
f4f5df23 | 4345 | } |
99457d75 LC |
4346 | } else |
4347 | ha->seconds_since_last_heartbeat = 0; | |
4348 | ||
f4f5df23 | 4349 | ha->fw_heartbeat_counter = fw_heartbeat_counter; |
9ee91a38 | 4350 | return status; |
f4f5df23 VC |
4351 | } |
4352 | ||
6e7b4292 VC |
4353 | static void qla4_8xxx_process_fw_error(struct scsi_qla_host *ha) |
4354 | { | |
4355 | uint32_t halt_status; | |
4356 | int halt_status_unrecoverable = 0; | |
4357 | ||
4358 | halt_status = qla4_8xxx_rd_direct(ha, QLA8XXX_PEG_HALT_STATUS1); | |
4359 | ||
4360 | if (is_qla8022(ha)) { | |
4361 | ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n", | |
4362 | __func__); | |
4363 | qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98, | |
4364 | CRB_NIU_XG_PAUSE_CTL_P0 | | |
4365 | CRB_NIU_XG_PAUSE_CTL_P1); | |
4366 | ||
4367 | if (QLA82XX_FWERROR_CODE(halt_status) == 0x67) | |
4368 | ql4_printk(KERN_ERR, ha, "%s: Firmware aborted with error code 0x00006700. Device is being reset\n", | |
4369 | __func__); | |
4370 | if (halt_status & HALT_STATUS_UNRECOVERABLE) | |
4371 | halt_status_unrecoverable = 1; | |
b37ca418 | 4372 | } else if (is_qla8032(ha) || is_qla8042(ha)) { |
6e7b4292 VC |
4373 | if (halt_status & QLA83XX_HALT_STATUS_FW_RESET) |
4374 | ql4_printk(KERN_ERR, ha, "%s: Firmware error detected device is being reset\n", | |
4375 | __func__); | |
4376 | else if (halt_status & QLA83XX_HALT_STATUS_UNRECOVERABLE) | |
4377 | halt_status_unrecoverable = 1; | |
4378 | } | |
4379 | ||
4380 | /* | |
4381 | * Since we cannot change dev_state in interrupt context, | |
4382 | * set appropriate DPC flag then wakeup DPC | |
4383 | */ | |
4384 | if (halt_status_unrecoverable) { | |
4385 | set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags); | |
4386 | } else { | |
4387 | ql4_printk(KERN_INFO, ha, "%s: detect abort needed!\n", | |
4388 | __func__); | |
4389 | set_bit(DPC_RESET_HA, &ha->dpc_flags); | |
4390 | } | |
4391 | qla4xxx_mailbox_premature_completion(ha); | |
4392 | qla4xxx_wake_dpc(ha); | |
4393 | } | |
4394 | ||
f4f5df23 VC |
4395 | /** |
4396 | * qla4_8xxx_watchdog - Poll dev state | |
4397 | * @ha: Pointer to host adapter structure. | |
4398 | * | |
4399 | * Context: Interrupt | |
4400 | **/ | |
4401 | void qla4_8xxx_watchdog(struct scsi_qla_host *ha) | |
4402 | { | |
6e7b4292 | 4403 | uint32_t dev_state; |
6cf94121 | 4404 | uint32_t idc_ctrl; |
f4f5df23 | 4405 | |
a083e8bc VC |
4406 | if (is_qla8032(ha) && |
4407 | (qla4_83xx_is_detached(ha) == QLA_SUCCESS)) | |
4408 | WARN_ONCE(1, "%s: iSCSI function %d marked invisible\n", | |
4409 | __func__, ha->func_num); | |
4410 | ||
f4f5df23 | 4411 | /* don't poll if reset is going on */ |
d56a1f7b LC |
4412 | if (!(test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) || |
4413 | test_bit(DPC_RESET_HA, &ha->dpc_flags) || | |
977f46a4 | 4414 | test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags))) { |
33693c7a | 4415 | dev_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE); |
4f77083e MH |
4416 | |
4417 | if (qla4_8xxx_check_temp(ha)) { | |
6e7b4292 VC |
4418 | if (is_qla8022(ha)) { |
4419 | ql4_printk(KERN_INFO, ha, "disabling pause transmit on port 0 & 1.\n"); | |
4420 | qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98, | |
4421 | CRB_NIU_XG_PAUSE_CTL_P0 | | |
4422 | CRB_NIU_XG_PAUSE_CTL_P1); | |
4423 | } | |
4f77083e MH |
4424 | set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags); |
4425 | qla4xxx_wake_dpc(ha); | |
de8c72da | 4426 | } else if (dev_state == QLA8XXX_DEV_NEED_RESET && |
6e7b4292 | 4427 | !test_bit(DPC_RESET_HA, &ha->dpc_flags)) { |
6cf94121 VC |
4428 | |
4429 | ql4_printk(KERN_INFO, ha, "%s: HW State: NEED RESET!\n", | |
4430 | __func__); | |
4431 | ||
b37ca418 | 4432 | if (is_qla8032(ha) || is_qla8042(ha)) { |
6cf94121 VC |
4433 | idc_ctrl = qla4_83xx_rd_reg(ha, |
4434 | QLA83XX_IDC_DRV_CTRL); | |
4435 | if (!(idc_ctrl & GRACEFUL_RESET_BIT1)) { | |
4436 | ql4_printk(KERN_INFO, ha, "%s: Graceful reset bit is not set\n", | |
4437 | __func__); | |
4438 | qla4xxx_mailbox_premature_completion( | |
4439 | ha); | |
4440 | } | |
4441 | } | |
4442 | ||
b37ca418 | 4443 | if ((is_qla8032(ha) || is_qla8042(ha)) || |
6e7b4292 | 4444 | (is_qla8022(ha) && !ql4xdontresethba)) { |
3930b8c1 VC |
4445 | set_bit(DPC_RESET_HA, &ha->dpc_flags); |
4446 | qla4xxx_wake_dpc(ha); | |
3930b8c1 | 4447 | } |
de8c72da | 4448 | } else if (dev_state == QLA8XXX_DEV_NEED_QUIESCENT && |
f4f5df23 | 4449 | !test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) { |
3930b8c1 VC |
4450 | ql4_printk(KERN_INFO, ha, "%s: HW State: NEED QUIES!\n", |
4451 | __func__); | |
f4f5df23 VC |
4452 | set_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags); |
4453 | qla4xxx_wake_dpc(ha); | |
4454 | } else { | |
4455 | /* Check firmware health */ | |
6e7b4292 VC |
4456 | if (qla4_8xxx_check_fw_alive(ha)) |
4457 | qla4_8xxx_process_fw_error(ha); | |
f4f5df23 VC |
4458 | } |
4459 | } | |
4460 | } | |
4461 | ||
4a4bc2e9 | 4462 | static void qla4xxx_check_relogin_flash_ddb(struct iscsi_cls_session *cls_sess) |
13483730 MC |
4463 | { |
4464 | struct iscsi_session *sess; | |
4465 | struct ddb_entry *ddb_entry; | |
4466 | struct scsi_qla_host *ha; | |
4467 | ||
4468 | sess = cls_sess->dd_data; | |
4469 | ddb_entry = sess->dd_data; | |
4470 | ha = ddb_entry->ha; | |
4471 | ||
4472 | if (!(ddb_entry->ddb_type == FLASH_DDB)) | |
4473 | return; | |
4474 | ||
4475 | if (adapter_up(ha) && !test_bit(DF_RELOGIN, &ddb_entry->flags) && | |
4476 | !iscsi_is_session_online(cls_sess)) { | |
4477 | if (atomic_read(&ddb_entry->retry_relogin_timer) != | |
4478 | INVALID_ENTRY) { | |
4479 | if (atomic_read(&ddb_entry->retry_relogin_timer) == | |
4480 | 0) { | |
4481 | atomic_set(&ddb_entry->retry_relogin_timer, | |
4482 | INVALID_ENTRY); | |
4483 | set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); | |
4484 | set_bit(DF_RELOGIN, &ddb_entry->flags); | |
4485 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
4486 | "%s: index [%d] login device\n", | |
4487 | __func__, ddb_entry->fw_ddb_index)); | |
4488 | } else | |
4489 | atomic_dec(&ddb_entry->retry_relogin_timer); | |
4490 | } | |
4491 | } | |
4492 | ||
4493 | /* Wait for relogin to timeout */ | |
4494 | if (atomic_read(&ddb_entry->relogin_timer) && | |
4495 | (atomic_dec_and_test(&ddb_entry->relogin_timer) != 0)) { | |
4496 | /* | |
4497 | * If the relogin times out and the device is | |
4498 | * still NOT ONLINE then try and relogin again. | |
4499 | */ | |
4500 | if (!iscsi_is_session_online(cls_sess)) { | |
4501 | /* Reset retry relogin timer */ | |
4502 | atomic_inc(&ddb_entry->relogin_retry_count); | |
4503 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
4504 | "%s: index[%d] relogin timed out-retrying" | |
4505 | " relogin (%d), retry (%d)\n", __func__, | |
4506 | ddb_entry->fw_ddb_index, | |
4507 | atomic_read(&ddb_entry->relogin_retry_count), | |
4508 | ddb_entry->default_time2wait + 4)); | |
4509 | set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); | |
4510 | atomic_set(&ddb_entry->retry_relogin_timer, | |
4511 | ddb_entry->default_time2wait + 4); | |
4512 | } | |
4513 | } | |
4514 | } | |
4515 | ||
afaf5a2d DS |
4516 | /** |
4517 | * qla4xxx_timer - checks every second for work to do. | |
4518 | * @ha: Pointer to host adapter structure. | |
4519 | **/ | |
d744644a | 4520 | static void qla4xxx_timer(struct timer_list *t) |
afaf5a2d | 4521 | { |
d744644a | 4522 | struct scsi_qla_host *ha = from_timer(ha, t, timer); |
afaf5a2d | 4523 | int start_dpc = 0; |
2232be0d LC |
4524 | uint16_t w; |
4525 | ||
13483730 MC |
4526 | iscsi_host_for_each_session(ha->host, qla4xxx_check_relogin_flash_ddb); |
4527 | ||
2232be0d LC |
4528 | /* If we are in the middle of AER/EEH processing |
4529 | * skip any processing and reschedule the timer | |
4530 | */ | |
4531 | if (test_bit(AF_EEH_BUSY, &ha->flags)) { | |
4532 | mod_timer(&ha->timer, jiffies + HZ); | |
4533 | return; | |
4534 | } | |
4535 | ||
4536 | /* Hardware read to trigger an EEH error during mailbox waits. */ | |
4537 | if (!pci_channel_offline(ha->pdev)) | |
4538 | pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w); | |
afaf5a2d | 4539 | |
6e7b4292 | 4540 | if (is_qla80XX(ha)) |
f4f5df23 | 4541 | qla4_8xxx_watchdog(ha); |
f4f5df23 | 4542 | |
ee996a69 | 4543 | if (is_qla40XX(ha)) { |
f4f5df23 VC |
4544 | /* Check for heartbeat interval. */ |
4545 | if (ha->firmware_options & FWOPT_HEARTBEAT_ENABLE && | |
4546 | ha->heartbeat_interval != 0) { | |
4547 | ha->seconds_since_last_heartbeat++; | |
4548 | if (ha->seconds_since_last_heartbeat > | |
4549 | ha->heartbeat_interval + 2) | |
4550 | set_bit(DPC_RESET_HA, &ha->dpc_flags); | |
4551 | } | |
afaf5a2d DS |
4552 | } |
4553 | ||
ff884430 VC |
4554 | /* Process any deferred work. */ |
4555 | if (!list_empty(&ha->work_list)) | |
4556 | start_dpc++; | |
4557 | ||
afaf5a2d | 4558 | /* Wakeup the dpc routine for this adapter, if needed. */ |
1b46807e | 4559 | if (start_dpc || |
afaf5a2d DS |
4560 | test_bit(DPC_RESET_HA, &ha->dpc_flags) || |
4561 | test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags) || | |
4562 | test_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags) || | |
f4f5df23 | 4563 | test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) || |
afaf5a2d DS |
4564 | test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || |
4565 | test_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags) || | |
065aa1b4 | 4566 | test_bit(DPC_LINK_CHANGED, &ha->dpc_flags) || |
f4f5df23 VC |
4567 | test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) || |
4568 | test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) || | |
906cbf3d | 4569 | test_bit(DPC_SYSFS_DDB_EXPORT, &ha->dpc_flags) || |
1b46807e | 4570 | test_bit(DPC_AEN, &ha->dpc_flags)) { |
afaf5a2d DS |
4571 | DEBUG2(printk("scsi%ld: %s: scheduling dpc routine" |
4572 | " - dpc flags = 0x%lx\n", | |
4573 | ha->host_no, __func__, ha->dpc_flags)); | |
f4f5df23 | 4574 | qla4xxx_wake_dpc(ha); |
afaf5a2d DS |
4575 | } |
4576 | ||
4577 | /* Reschedule timer thread to call us back in one second */ | |
4578 | mod_timer(&ha->timer, jiffies + HZ); | |
4579 | ||
4580 | DEBUG2(ha->seconds_since_last_intr++); | |
4581 | } | |
4582 | ||
4583 | /** | |
4584 | * qla4xxx_cmd_wait - waits for all outstanding commands to complete | |
4585 | * @ha: Pointer to host adapter structure. | |
4586 | * | |
4587 | * This routine stalls the driver until all outstanding commands are returned. | |
4588 | * Caller must release the Hardware Lock prior to calling this routine. | |
4589 | **/ | |
4590 | static int qla4xxx_cmd_wait(struct scsi_qla_host *ha) | |
4591 | { | |
4592 | uint32_t index = 0; | |
afaf5a2d DS |
4593 | unsigned long flags; |
4594 | struct scsi_cmnd *cmd; | |
61d9a2b6 TP |
4595 | unsigned long wtime; |
4596 | uint32_t wtmo; | |
afaf5a2d | 4597 | |
61d9a2b6 TP |
4598 | if (is_qla40XX(ha)) |
4599 | wtmo = WAIT_CMD_TOV; | |
4600 | else | |
4601 | wtmo = ha->nx_reset_timeout / 2; | |
4602 | ||
4603 | wtime = jiffies + (wtmo * HZ); | |
f4f5df23 | 4604 | |
61d9a2b6 TP |
4605 | DEBUG2(ql4_printk(KERN_INFO, ha, |
4606 | "Wait up to %u seconds for cmds to complete\n", | |
4607 | wtmo)); | |
f4f5df23 VC |
4608 | |
4609 | while (!time_after_eq(jiffies, wtime)) { | |
afaf5a2d DS |
4610 | spin_lock_irqsave(&ha->hardware_lock, flags); |
4611 | /* Find a command that hasn't completed. */ | |
4612 | for (index = 0; index < ha->host->can_queue; index++) { | |
4613 | cmd = scsi_host_find_tag(ha->host, index); | |
a1e0063d MC |
4614 | /* |
4615 | * We cannot just check if the index is valid, | |
4616 | * becase if we are run from the scsi eh, then | |
4617 | * the scsi/block layer is going to prevent | |
4618 | * the tag from being released. | |
4619 | */ | |
4620 | if (cmd != NULL && CMD_SP(cmd)) | |
afaf5a2d DS |
4621 | break; |
4622 | } | |
4623 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
4624 | ||
4625 | /* If No Commands are pending, wait is complete */ | |
f4f5df23 VC |
4626 | if (index == ha->host->can_queue) |
4627 | return QLA_SUCCESS; | |
afaf5a2d | 4628 | |
f4f5df23 VC |
4629 | msleep(1000); |
4630 | } | |
4631 | /* If we timed out on waiting for commands to come back | |
4632 | * return ERROR. */ | |
4633 | return QLA_ERROR; | |
afaf5a2d DS |
4634 | } |
4635 | ||
f4f5df23 | 4636 | int qla4xxx_hw_reset(struct scsi_qla_host *ha) |
afaf5a2d | 4637 | { |
afaf5a2d | 4638 | uint32_t ctrl_status; |
477ffb9d DS |
4639 | unsigned long flags = 0; |
4640 | ||
4641 | DEBUG2(printk(KERN_ERR "scsi%ld: %s\n", ha->host_no, __func__)); | |
afaf5a2d | 4642 | |
f4f5df23 VC |
4643 | if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS) |
4644 | return QLA_ERROR; | |
4645 | ||
afaf5a2d DS |
4646 | spin_lock_irqsave(&ha->hardware_lock, flags); |
4647 | ||
4648 | /* | |
4649 | * If the SCSI Reset Interrupt bit is set, clear it. | |
4650 | * Otherwise, the Soft Reset won't work. | |
4651 | */ | |
4652 | ctrl_status = readw(&ha->reg->ctrl_status); | |
4653 | if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0) | |
4654 | writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status); | |
4655 | ||
4656 | /* Issue Soft Reset */ | |
4657 | writel(set_rmask(CSR_SOFT_RESET), &ha->reg->ctrl_status); | |
4658 | readl(&ha->reg->ctrl_status); | |
4659 | ||
4660 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
f4f5df23 | 4661 | return QLA_SUCCESS; |
477ffb9d DS |
4662 | } |
4663 | ||
4664 | /** | |
4665 | * qla4xxx_soft_reset - performs soft reset. | |
4666 | * @ha: Pointer to host adapter structure. | |
4667 | **/ | |
4668 | int qla4xxx_soft_reset(struct scsi_qla_host *ha) | |
4669 | { | |
4670 | uint32_t max_wait_time; | |
4671 | unsigned long flags = 0; | |
f931c534 | 4672 | int status; |
477ffb9d DS |
4673 | uint32_t ctrl_status; |
4674 | ||
f931c534 VC |
4675 | status = qla4xxx_hw_reset(ha); |
4676 | if (status != QLA_SUCCESS) | |
4677 | return status; | |
afaf5a2d | 4678 | |
f931c534 | 4679 | status = QLA_ERROR; |
afaf5a2d DS |
4680 | /* Wait until the Network Reset Intr bit is cleared */ |
4681 | max_wait_time = RESET_INTR_TOV; | |
4682 | do { | |
4683 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
4684 | ctrl_status = readw(&ha->reg->ctrl_status); | |
4685 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
4686 | ||
4687 | if ((ctrl_status & CSR_NET_RESET_INTR) == 0) | |
4688 | break; | |
4689 | ||
4690 | msleep(1000); | |
4691 | } while ((--max_wait_time)); | |
4692 | ||
4693 | if ((ctrl_status & CSR_NET_RESET_INTR) != 0) { | |
4694 | DEBUG2(printk(KERN_WARNING | |
4695 | "scsi%ld: Network Reset Intr not cleared by " | |
4696 | "Network function, clearing it now!\n", | |
4697 | ha->host_no)); | |
4698 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
4699 | writel(set_rmask(CSR_NET_RESET_INTR), &ha->reg->ctrl_status); | |
4700 | readl(&ha->reg->ctrl_status); | |
4701 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
4702 | } | |
4703 | ||
4704 | /* Wait until the firmware tells us the Soft Reset is done */ | |
4705 | max_wait_time = SOFT_RESET_TOV; | |
4706 | do { | |
4707 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
4708 | ctrl_status = readw(&ha->reg->ctrl_status); | |
4709 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
4710 | ||
4711 | if ((ctrl_status & CSR_SOFT_RESET) == 0) { | |
4712 | status = QLA_SUCCESS; | |
4713 | break; | |
4714 | } | |
4715 | ||
4716 | msleep(1000); | |
4717 | } while ((--max_wait_time)); | |
4718 | ||
4719 | /* | |
4720 | * Also, make sure that the SCSI Reset Interrupt bit has been cleared | |
4721 | * after the soft reset has taken place. | |
4722 | */ | |
4723 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
4724 | ctrl_status = readw(&ha->reg->ctrl_status); | |
4725 | if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0) { | |
4726 | writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status); | |
4727 | readl(&ha->reg->ctrl_status); | |
4728 | } | |
4729 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
4730 | ||
4731 | /* If soft reset fails then most probably the bios on other | |
4732 | * function is also enabled. | |
4733 | * Since the initialization is sequential the other fn | |
4734 | * wont be able to acknowledge the soft reset. | |
4735 | * Issue a force soft reset to workaround this scenario. | |
4736 | */ | |
4737 | if (max_wait_time == 0) { | |
4738 | /* Issue Force Soft Reset */ | |
4739 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
4740 | writel(set_rmask(CSR_FORCE_SOFT_RESET), &ha->reg->ctrl_status); | |
4741 | readl(&ha->reg->ctrl_status); | |
4742 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
4743 | /* Wait until the firmware tells us the Soft Reset is done */ | |
4744 | max_wait_time = SOFT_RESET_TOV; | |
4745 | do { | |
4746 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
4747 | ctrl_status = readw(&ha->reg->ctrl_status); | |
4748 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
4749 | ||
4750 | if ((ctrl_status & CSR_FORCE_SOFT_RESET) == 0) { | |
4751 | status = QLA_SUCCESS; | |
4752 | break; | |
4753 | } | |
4754 | ||
4755 | msleep(1000); | |
4756 | } while ((--max_wait_time)); | |
4757 | } | |
4758 | ||
4759 | return status; | |
4760 | } | |
4761 | ||
afaf5a2d | 4762 | /** |
f4f5df23 | 4763 | * qla4xxx_abort_active_cmds - returns all outstanding i/o requests to O.S. |
afaf5a2d | 4764 | * @ha: Pointer to host adapter structure. |
f4f5df23 | 4765 | * @res: returned scsi status |
afaf5a2d DS |
4766 | * |
4767 | * This routine is called just prior to a HARD RESET to return all | |
4768 | * outstanding commands back to the Operating System. | |
4769 | * Caller should make sure that the following locks are released | |
4770 | * before this calling routine: Hardware lock, and io_request_lock. | |
4771 | **/ | |
f4f5df23 | 4772 | static void qla4xxx_abort_active_cmds(struct scsi_qla_host *ha, int res) |
afaf5a2d DS |
4773 | { |
4774 | struct srb *srb; | |
4775 | int i; | |
4776 | unsigned long flags; | |
4777 | ||
4778 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
4779 | for (i = 0; i < ha->host->can_queue; i++) { | |
4780 | srb = qla4xxx_del_from_active_array(ha, i); | |
4781 | if (srb != NULL) { | |
f4f5df23 | 4782 | srb->cmd->result = res; |
09a0f719 | 4783 | kref_put(&srb->srb_ref, qla4xxx_srb_compl); |
afaf5a2d DS |
4784 | } |
4785 | } | |
4786 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
afaf5a2d DS |
4787 | } |
4788 | ||
f4f5df23 VC |
4789 | void qla4xxx_dead_adapter_cleanup(struct scsi_qla_host *ha) |
4790 | { | |
4791 | clear_bit(AF_ONLINE, &ha->flags); | |
4792 | ||
4793 | /* Disable the board */ | |
4794 | ql4_printk(KERN_INFO, ha, "Disabling the board\n"); | |
f4f5df23 VC |
4795 | |
4796 | qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); | |
4797 | qla4xxx_mark_all_devices_missing(ha); | |
4798 | clear_bit(AF_INIT_DONE, &ha->flags); | |
4799 | } | |
4800 | ||
b3a271a9 MR |
4801 | static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session) |
4802 | { | |
4803 | struct iscsi_session *sess; | |
4804 | struct ddb_entry *ddb_entry; | |
4805 | ||
4806 | sess = cls_session->dd_data; | |
4807 | ddb_entry = sess->dd_data; | |
4808 | ddb_entry->fw_ddb_device_state = DDB_DS_SESSION_FAILED; | |
13483730 MC |
4809 | |
4810 | if (ddb_entry->ddb_type == FLASH_DDB) | |
4811 | iscsi_block_session(ddb_entry->sess); | |
4812 | else | |
4813 | iscsi_session_failure(cls_session->dd_data, | |
4814 | ISCSI_ERR_CONN_FAILED); | |
b3a271a9 MR |
4815 | } |
4816 | ||
afaf5a2d DS |
4817 | /** |
4818 | * qla4xxx_recover_adapter - recovers adapter after a fatal error | |
4819 | * @ha: Pointer to host adapter structure. | |
afaf5a2d | 4820 | **/ |
f4f5df23 | 4821 | static int qla4xxx_recover_adapter(struct scsi_qla_host *ha) |
afaf5a2d | 4822 | { |
f4f5df23 VC |
4823 | int status = QLA_ERROR; |
4824 | uint8_t reset_chip = 0; | |
8e0f3a66 | 4825 | uint32_t dev_state; |
9ee91a38 | 4826 | unsigned long wait; |
afaf5a2d DS |
4827 | |
4828 | /* Stall incoming I/O until we are done */ | |
f4f5df23 | 4829 | scsi_block_requests(ha->host); |
afaf5a2d | 4830 | clear_bit(AF_ONLINE, &ha->flags); |
b3a271a9 | 4831 | clear_bit(AF_LINK_UP, &ha->flags); |
50a29aec | 4832 | |
f4f5df23 | 4833 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: adapter OFFLINE\n", __func__)); |
afaf5a2d | 4834 | |
f4f5df23 | 4835 | set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); |
afaf5a2d | 4836 | |
b37ca418 | 4837 | if ((is_qla8032(ha) || is_qla8042(ha)) && |
546fef27 TP |
4838 | !test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) { |
4839 | ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n", | |
4840 | __func__); | |
4841 | /* disable pause frame for ISP83xx */ | |
4842 | qla4_83xx_disable_pause(ha); | |
4843 | } | |
4844 | ||
b3a271a9 MR |
4845 | iscsi_host_for_each_session(ha->host, qla4xxx_fail_session); |
4846 | ||
f4f5df23 VC |
4847 | if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) |
4848 | reset_chip = 1; | |
afaf5a2d | 4849 | |
f4f5df23 VC |
4850 | /* For the DPC_RESET_HA_INTR case (ISP-4xxx specific) |
4851 | * do not reset adapter, jump to initialize_adapter */ | |
4852 | if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { | |
4853 | status = QLA_SUCCESS; | |
4854 | goto recover_ha_init_adapter; | |
4855 | } | |
afaf5a2d | 4856 | |
6e7b4292 | 4857 | /* For the ISP-8xxx adapter, issue a stop_firmware if invoked |
f4f5df23 | 4858 | * from eh_host_reset or ioctl module */ |
6e7b4292 | 4859 | if (is_qla80XX(ha) && !reset_chip && |
f4f5df23 VC |
4860 | test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) { |
4861 | ||
4862 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
4863 | "scsi%ld: %s - Performing stop_firmware...\n", | |
4864 | ha->host_no, __func__)); | |
4865 | status = ha->isp_ops->reset_firmware(ha); | |
4866 | if (status == QLA_SUCCESS) { | |
f4f5df23 VC |
4867 | ha->isp_ops->disable_intrs(ha); |
4868 | qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); | |
4869 | qla4xxx_abort_active_cmds(ha, DID_RESET << 16); | |
4870 | } else { | |
4871 | /* If the stop_firmware fails then | |
4872 | * reset the entire chip */ | |
4873 | reset_chip = 1; | |
4874 | clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); | |
4875 | set_bit(DPC_RESET_HA, &ha->dpc_flags); | |
4876 | } | |
4877 | } | |
dca05c4c | 4878 | |
f4f5df23 | 4879 | /* Issue full chip reset if recovering from a catastrophic error, |
6e7b4292 | 4880 | * or if stop_firmware fails for ISP-8xxx. |
f4f5df23 | 4881 | * This is the default case for ISP-4xxx */ |
ee996a69 VC |
4882 | if (is_qla40XX(ha) || reset_chip) { |
4883 | if (is_qla40XX(ha)) | |
9ee91a38 SS |
4884 | goto chip_reset; |
4885 | ||
6e7b4292 | 4886 | /* Check if 8XXX firmware is alive or not |
9ee91a38 SS |
4887 | * We may have arrived here from NEED_RESET |
4888 | * detection only */ | |
4889 | if (test_bit(AF_FW_RECOVERY, &ha->flags)) | |
4890 | goto chip_reset; | |
4891 | ||
4892 | wait = jiffies + (FW_ALIVE_WAIT_TOV * HZ); | |
4893 | while (time_before(jiffies, wait)) { | |
4894 | if (qla4_8xxx_check_fw_alive(ha)) { | |
4895 | qla4xxx_mailbox_premature_completion(ha); | |
4896 | break; | |
4897 | } | |
4898 | ||
4899 | set_current_state(TASK_UNINTERRUPTIBLE); | |
4900 | schedule_timeout(HZ); | |
4901 | } | |
da106212 | 4902 | chip_reset: |
2bd1e2be NJ |
4903 | if (!test_bit(AF_FW_RECOVERY, &ha->flags)) |
4904 | qla4xxx_cmd_wait(ha); | |
da106212 | 4905 | |
f4f5df23 | 4906 | qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); |
f4f5df23 VC |
4907 | DEBUG2(ql4_printk(KERN_INFO, ha, |
4908 | "scsi%ld: %s - Performing chip reset..\n", | |
4909 | ha->host_no, __func__)); | |
4910 | status = ha->isp_ops->reset_chip(ha); | |
61d9a2b6 | 4911 | qla4xxx_abort_active_cmds(ha, DID_RESET << 16); |
f4f5df23 | 4912 | } |
afaf5a2d DS |
4913 | |
4914 | /* Flush any pending ddb changed AENs */ | |
4915 | qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); | |
4916 | ||
f4f5df23 VC |
4917 | recover_ha_init_adapter: |
4918 | /* Upon successful firmware/chip reset, re-initialize the adapter */ | |
afaf5a2d | 4919 | if (status == QLA_SUCCESS) { |
f4f5df23 VC |
4920 | /* For ISP-4xxx, force function 1 to always initialize |
4921 | * before function 3 to prevent both funcions from | |
4922 | * stepping on top of the other */ | |
ee996a69 | 4923 | if (is_qla40XX(ha) && (ha->mac_index == 3)) |
f4f5df23 VC |
4924 | ssleep(6); |
4925 | ||
4926 | /* NOTE: AF_ONLINE flag set upon successful completion of | |
37418cc6 | 4927 | * qla4xxx_initialize_adapter */ |
13483730 | 4928 | status = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); |
37418cc6 NJ |
4929 | if (is_qla80XX(ha) && (status == QLA_ERROR)) { |
4930 | status = qla4_8xxx_check_init_adapter_retry(ha); | |
4931 | if (status == QLA_ERROR) { | |
4932 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Don't retry recover adapter\n", | |
4933 | ha->host_no, __func__); | |
4934 | qla4xxx_dead_adapter_cleanup(ha); | |
4935 | clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); | |
4936 | clear_bit(DPC_RESET_HA, &ha->dpc_flags); | |
4937 | clear_bit(DPC_RESET_HA_FW_CONTEXT, | |
4938 | &ha->dpc_flags); | |
4939 | goto exit_recover; | |
4940 | } | |
4941 | } | |
afaf5a2d DS |
4942 | } |
4943 | ||
f4f5df23 VC |
4944 | /* Retry failed adapter initialization, if necessary |
4945 | * Do not retry initialize_adapter for RESET_HA_INTR (ISP-4xxx specific) | |
4946 | * case to prevent ping-pong resets between functions */ | |
4947 | if (!test_bit(AF_ONLINE, &ha->flags) && | |
4948 | !test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { | |
afaf5a2d | 4949 | /* Adapter initialization failed, see if we can retry |
f4f5df23 VC |
4950 | * resetting the ha. |
4951 | * Since we don't want to block the DPC for too long | |
4952 | * with multiple resets in the same thread, | |
4953 | * utilize DPC to retry */ | |
6e7b4292 | 4954 | if (is_qla80XX(ha)) { |
33693c7a VC |
4955 | ha->isp_ops->idc_lock(ha); |
4956 | dev_state = qla4_8xxx_rd_direct(ha, | |
4957 | QLA8XXX_CRB_DEV_STATE); | |
4958 | ha->isp_ops->idc_unlock(ha); | |
de8c72da | 4959 | if (dev_state == QLA8XXX_DEV_FAILED) { |
8e0f3a66 SR |
4960 | ql4_printk(KERN_INFO, ha, "%s: don't retry " |
4961 | "recover adapter. H/W is in Failed " | |
4962 | "state\n", __func__); | |
4963 | qla4xxx_dead_adapter_cleanup(ha); | |
4964 | clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); | |
4965 | clear_bit(DPC_RESET_HA, &ha->dpc_flags); | |
4966 | clear_bit(DPC_RESET_HA_FW_CONTEXT, | |
4967 | &ha->dpc_flags); | |
4968 | status = QLA_ERROR; | |
4969 | ||
4970 | goto exit_recover; | |
4971 | } | |
4972 | } | |
4973 | ||
afaf5a2d DS |
4974 | if (!test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags)) { |
4975 | ha->retry_reset_ha_cnt = MAX_RESET_HA_RETRIES; | |
4976 | DEBUG2(printk("scsi%ld: recover adapter - retrying " | |
4977 | "(%d) more times\n", ha->host_no, | |
4978 | ha->retry_reset_ha_cnt)); | |
4979 | set_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); | |
4980 | status = QLA_ERROR; | |
4981 | } else { | |
4982 | if (ha->retry_reset_ha_cnt > 0) { | |
4983 | /* Schedule another Reset HA--DPC will retry */ | |
4984 | ha->retry_reset_ha_cnt--; | |
4985 | DEBUG2(printk("scsi%ld: recover adapter - " | |
4986 | "retry remaining %d\n", | |
4987 | ha->host_no, | |
4988 | ha->retry_reset_ha_cnt)); | |
4989 | status = QLA_ERROR; | |
4990 | } | |
4991 | ||
4992 | if (ha->retry_reset_ha_cnt == 0) { | |
4993 | /* Recover adapter retries have been exhausted. | |
4994 | * Adapter DEAD */ | |
4995 | DEBUG2(printk("scsi%ld: recover adapter " | |
4996 | "failed - board disabled\n", | |
4997 | ha->host_no)); | |
f4f5df23 | 4998 | qla4xxx_dead_adapter_cleanup(ha); |
afaf5a2d DS |
4999 | clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); |
5000 | clear_bit(DPC_RESET_HA, &ha->dpc_flags); | |
f4f5df23 | 5001 | clear_bit(DPC_RESET_HA_FW_CONTEXT, |
afaf5a2d DS |
5002 | &ha->dpc_flags); |
5003 | status = QLA_ERROR; | |
5004 | } | |
5005 | } | |
5006 | } else { | |
5007 | clear_bit(DPC_RESET_HA, &ha->dpc_flags); | |
f4f5df23 | 5008 | clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); |
afaf5a2d DS |
5009 | clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); |
5010 | } | |
5011 | ||
8e0f3a66 | 5012 | exit_recover: |
afaf5a2d DS |
5013 | ha->adapter_error_count++; |
5014 | ||
f4f5df23 VC |
5015 | if (test_bit(AF_ONLINE, &ha->flags)) |
5016 | ha->isp_ops->enable_intrs(ha); | |
5017 | ||
5018 | scsi_unblock_requests(ha->host); | |
5019 | ||
5020 | clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); | |
5021 | DEBUG2(printk("scsi%ld: recover adapter: %s\n", ha->host_no, | |
25985edc | 5022 | status == QLA_ERROR ? "FAILED" : "SUCCEEDED")); |
afaf5a2d | 5023 | |
afaf5a2d DS |
5024 | return status; |
5025 | } | |
5026 | ||
b3a271a9 | 5027 | static void qla4xxx_relogin_devices(struct iscsi_cls_session *cls_session) |
2d7924e6 | 5028 | { |
b3a271a9 MR |
5029 | struct iscsi_session *sess; |
5030 | struct ddb_entry *ddb_entry; | |
5031 | struct scsi_qla_host *ha; | |
2d7924e6 | 5032 | |
b3a271a9 MR |
5033 | sess = cls_session->dd_data; |
5034 | ddb_entry = sess->dd_data; | |
5035 | ha = ddb_entry->ha; | |
5036 | if (!iscsi_is_session_online(cls_session)) { | |
5037 | if (ddb_entry->fw_ddb_device_state == DDB_DS_SESSION_ACTIVE) { | |
5038 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" | |
5039 | " unblock session\n", ha->host_no, __func__, | |
5040 | ddb_entry->fw_ddb_index); | |
5041 | iscsi_unblock_session(ddb_entry->sess); | |
5042 | } else { | |
5043 | /* Trigger relogin */ | |
13483730 | 5044 | if (ddb_entry->ddb_type == FLASH_DDB) { |
99c6a33b AC |
5045 | if (!(test_bit(DF_RELOGIN, &ddb_entry->flags) || |
5046 | test_bit(DF_DISABLE_RELOGIN, | |
5047 | &ddb_entry->flags))) | |
13483730 MC |
5048 | qla4xxx_arm_relogin_timer(ddb_entry); |
5049 | } else | |
5050 | iscsi_session_failure(cls_session->dd_data, | |
5051 | ISCSI_ERR_CONN_FAILED); | |
2d7924e6 VC |
5052 | } |
5053 | } | |
5054 | } | |
5055 | ||
13483730 MC |
5056 | int qla4xxx_unblock_flash_ddb(struct iscsi_cls_session *cls_session) |
5057 | { | |
5058 | struct iscsi_session *sess; | |
5059 | struct ddb_entry *ddb_entry; | |
5060 | struct scsi_qla_host *ha; | |
5061 | ||
5062 | sess = cls_session->dd_data; | |
5063 | ddb_entry = sess->dd_data; | |
5064 | ha = ddb_entry->ha; | |
5065 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" | |
5066 | " unblock session\n", ha->host_no, __func__, | |
5067 | ddb_entry->fw_ddb_index); | |
5068 | ||
5069 | iscsi_unblock_session(ddb_entry->sess); | |
5070 | ||
5071 | /* Start scan target */ | |
5072 | if (test_bit(AF_ONLINE, &ha->flags)) { | |
5073 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" | |
5074 | " start scan\n", ha->host_no, __func__, | |
5075 | ddb_entry->fw_ddb_index); | |
5076 | scsi_queue_work(ha->host, &ddb_entry->sess->scan_work); | |
5077 | } | |
5078 | return QLA_SUCCESS; | |
5079 | } | |
5080 | ||
5081 | int qla4xxx_unblock_ddb(struct iscsi_cls_session *cls_session) | |
5082 | { | |
5083 | struct iscsi_session *sess; | |
5084 | struct ddb_entry *ddb_entry; | |
5085 | struct scsi_qla_host *ha; | |
80c53e64 | 5086 | int status = QLA_SUCCESS; |
13483730 MC |
5087 | |
5088 | sess = cls_session->dd_data; | |
5089 | ddb_entry = sess->dd_data; | |
5090 | ha = ddb_entry->ha; | |
5091 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" | |
5092 | " unblock user space session\n", ha->host_no, __func__, | |
5093 | ddb_entry->fw_ddb_index); | |
13483730 | 5094 | |
80c53e64 MR |
5095 | if (!iscsi_is_session_online(cls_session)) { |
5096 | iscsi_conn_start(ddb_entry->conn); | |
5097 | iscsi_conn_login_event(ddb_entry->conn, | |
5098 | ISCSI_CONN_STATE_LOGGED_IN); | |
5099 | } else { | |
5100 | ql4_printk(KERN_INFO, ha, | |
5101 | "scsi%ld: %s: ddb[%d] session [%d] already logged in\n", | |
5102 | ha->host_no, __func__, ddb_entry->fw_ddb_index, | |
5103 | cls_session->sid); | |
5104 | status = QLA_ERROR; | |
5105 | } | |
5106 | ||
5107 | return status; | |
13483730 MC |
5108 | } |
5109 | ||
b3a271a9 MR |
5110 | static void qla4xxx_relogin_all_devices(struct scsi_qla_host *ha) |
5111 | { | |
5112 | iscsi_host_for_each_session(ha->host, qla4xxx_relogin_devices); | |
5113 | } | |
5114 | ||
13483730 MC |
5115 | static void qla4xxx_relogin_flash_ddb(struct iscsi_cls_session *cls_sess) |
5116 | { | |
5117 | uint16_t relogin_timer; | |
5118 | struct iscsi_session *sess; | |
5119 | struct ddb_entry *ddb_entry; | |
5120 | struct scsi_qla_host *ha; | |
5121 | ||
5122 | sess = cls_sess->dd_data; | |
5123 | ddb_entry = sess->dd_data; | |
5124 | ha = ddb_entry->ha; | |
5125 | ||
5126 | relogin_timer = max(ddb_entry->default_relogin_timeout, | |
5127 | (uint16_t)RELOGIN_TOV); | |
5128 | atomic_set(&ddb_entry->relogin_timer, relogin_timer); | |
5129 | ||
5130 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
5131 | "scsi%ld: Relogin index [%d]. TOV=%d\n", ha->host_no, | |
5132 | ddb_entry->fw_ddb_index, relogin_timer)); | |
5133 | ||
5134 | qla4xxx_login_flash_ddb(cls_sess); | |
5135 | } | |
5136 | ||
5137 | static void qla4xxx_dpc_relogin(struct iscsi_cls_session *cls_sess) | |
5138 | { | |
5139 | struct iscsi_session *sess; | |
5140 | struct ddb_entry *ddb_entry; | |
5141 | struct scsi_qla_host *ha; | |
5142 | ||
5143 | sess = cls_sess->dd_data; | |
5144 | ddb_entry = sess->dd_data; | |
5145 | ha = ddb_entry->ha; | |
5146 | ||
5147 | if (!(ddb_entry->ddb_type == FLASH_DDB)) | |
5148 | return; | |
5149 | ||
99c6a33b AC |
5150 | if (test_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags)) |
5151 | return; | |
5152 | ||
13483730 MC |
5153 | if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags) && |
5154 | !iscsi_is_session_online(cls_sess)) { | |
5155 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
5156 | "relogin issued\n")); | |
5157 | qla4xxx_relogin_flash_ddb(cls_sess); | |
5158 | } | |
5159 | } | |
5160 | ||
f4f5df23 VC |
5161 | void qla4xxx_wake_dpc(struct scsi_qla_host *ha) |
5162 | { | |
1b46807e | 5163 | if (ha->dpc_thread) |
f4f5df23 | 5164 | queue_work(ha->dpc_thread, &ha->dpc_work); |
f4f5df23 VC |
5165 | } |
5166 | ||
ff884430 VC |
5167 | static struct qla4_work_evt * |
5168 | qla4xxx_alloc_work(struct scsi_qla_host *ha, uint32_t data_size, | |
5169 | enum qla4_work_type type) | |
5170 | { | |
5171 | struct qla4_work_evt *e; | |
5172 | uint32_t size = sizeof(struct qla4_work_evt) + data_size; | |
5173 | ||
5174 | e = kzalloc(size, GFP_ATOMIC); | |
5175 | if (!e) | |
5176 | return NULL; | |
5177 | ||
5178 | INIT_LIST_HEAD(&e->list); | |
5179 | e->type = type; | |
5180 | return e; | |
5181 | } | |
5182 | ||
5183 | static void qla4xxx_post_work(struct scsi_qla_host *ha, | |
5184 | struct qla4_work_evt *e) | |
5185 | { | |
5186 | unsigned long flags; | |
5187 | ||
5188 | spin_lock_irqsave(&ha->work_lock, flags); | |
5189 | list_add_tail(&e->list, &ha->work_list); | |
5190 | spin_unlock_irqrestore(&ha->work_lock, flags); | |
5191 | qla4xxx_wake_dpc(ha); | |
5192 | } | |
5193 | ||
5194 | int qla4xxx_post_aen_work(struct scsi_qla_host *ha, | |
5195 | enum iscsi_host_event_code aen_code, | |
5196 | uint32_t data_size, uint8_t *data) | |
5197 | { | |
5198 | struct qla4_work_evt *e; | |
5199 | ||
5200 | e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_AEN); | |
5201 | if (!e) | |
5202 | return QLA_ERROR; | |
5203 | ||
5204 | e->u.aen.code = aen_code; | |
5205 | e->u.aen.data_size = data_size; | |
5206 | memcpy(e->u.aen.data, data, data_size); | |
5207 | ||
5208 | qla4xxx_post_work(ha, e); | |
5209 | ||
5210 | return QLA_SUCCESS; | |
5211 | } | |
5212 | ||
c0b9d3f7 VC |
5213 | int qla4xxx_post_ping_evt_work(struct scsi_qla_host *ha, |
5214 | uint32_t status, uint32_t pid, | |
5215 | uint32_t data_size, uint8_t *data) | |
5216 | { | |
5217 | struct qla4_work_evt *e; | |
5218 | ||
5219 | e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_PING_STATUS); | |
5220 | if (!e) | |
5221 | return QLA_ERROR; | |
5222 | ||
5223 | e->u.ping.status = status; | |
5224 | e->u.ping.pid = pid; | |
5225 | e->u.ping.data_size = data_size; | |
5226 | memcpy(e->u.ping.data, data, data_size); | |
5227 | ||
5228 | qla4xxx_post_work(ha, e); | |
5229 | ||
5230 | return QLA_SUCCESS; | |
5231 | } | |
5232 | ||
a7380a65 | 5233 | static void qla4xxx_do_work(struct scsi_qla_host *ha) |
ff884430 VC |
5234 | { |
5235 | struct qla4_work_evt *e, *tmp; | |
5236 | unsigned long flags; | |
5237 | LIST_HEAD(work); | |
5238 | ||
5239 | spin_lock_irqsave(&ha->work_lock, flags); | |
5240 | list_splice_init(&ha->work_list, &work); | |
5241 | spin_unlock_irqrestore(&ha->work_lock, flags); | |
5242 | ||
5243 | list_for_each_entry_safe(e, tmp, &work, list) { | |
5244 | list_del_init(&e->list); | |
5245 | ||
5246 | switch (e->type) { | |
5247 | case QLA4_EVENT_AEN: | |
5248 | iscsi_post_host_event(ha->host_no, | |
5249 | &qla4xxx_iscsi_transport, | |
5250 | e->u.aen.code, | |
5251 | e->u.aen.data_size, | |
5252 | e->u.aen.data); | |
5253 | break; | |
c0b9d3f7 VC |
5254 | case QLA4_EVENT_PING_STATUS: |
5255 | iscsi_ping_comp_event(ha->host_no, | |
5256 | &qla4xxx_iscsi_transport, | |
5257 | e->u.ping.status, | |
5258 | e->u.ping.pid, | |
5259 | e->u.ping.data_size, | |
5260 | e->u.ping.data); | |
5261 | break; | |
ff884430 VC |
5262 | default: |
5263 | ql4_printk(KERN_WARNING, ha, "event type: 0x%x not " | |
5264 | "supported", e->type); | |
5265 | } | |
5266 | kfree(e); | |
5267 | } | |
5268 | } | |
5269 | ||
afaf5a2d DS |
5270 | /** |
5271 | * qla4xxx_do_dpc - dpc routine | |
5272 | * @data: in our case pointer to adapter structure | |
5273 | * | |
5274 | * This routine is a task that is schedule by the interrupt handler | |
5275 | * to perform the background processing for interrupts. We put it | |
5276 | * on a task queue that is consumed whenever the scheduler runs; that's | |
5277 | * so you can do anything (i.e. put the process to sleep etc). In fact, | |
5278 | * the mid-level tries to sleep when it reaches the driver threshold | |
5279 | * "host->can_queue". This can cause a panic if we were in our interrupt code. | |
5280 | **/ | |
c4028958 | 5281 | static void qla4xxx_do_dpc(struct work_struct *work) |
afaf5a2d | 5282 | { |
c4028958 DH |
5283 | struct scsi_qla_host *ha = |
5284 | container_of(work, struct scsi_qla_host, dpc_work); | |
477ffb9d | 5285 | int status = QLA_ERROR; |
afaf5a2d | 5286 | |
a7e5688d VC |
5287 | DEBUG2(ql4_printk(KERN_INFO, ha, |
5288 | "scsi%ld: %s: DPC handler waking up. flags = 0x%08lx, dpc_flags = 0x%08lx\n", | |
5289 | ha->host_no, __func__, ha->flags, ha->dpc_flags)); | |
afaf5a2d DS |
5290 | |
5291 | /* Initialization not yet finished. Don't do anything yet. */ | |
5292 | if (!test_bit(AF_INIT_DONE, &ha->flags)) | |
1b46807e | 5293 | return; |
afaf5a2d | 5294 | |
2232be0d LC |
5295 | if (test_bit(AF_EEH_BUSY, &ha->flags)) { |
5296 | DEBUG2(printk(KERN_INFO "scsi%ld: %s: flags = %lx\n", | |
5297 | ha->host_no, __func__, ha->flags)); | |
1b46807e | 5298 | return; |
2232be0d LC |
5299 | } |
5300 | ||
ff884430 VC |
5301 | /* post events to application */ |
5302 | qla4xxx_do_work(ha); | |
5303 | ||
6e7b4292 | 5304 | if (is_qla80XX(ha)) { |
f4f5df23 | 5305 | if (test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags)) { |
b37ca418 | 5306 | if (is_qla8032(ha) || is_qla8042(ha)) { |
546fef27 TP |
5307 | ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n", |
5308 | __func__); | |
5309 | /* disable pause frame for ISP83xx */ | |
5310 | qla4_83xx_disable_pause(ha); | |
5311 | } | |
5312 | ||
33693c7a VC |
5313 | ha->isp_ops->idc_lock(ha); |
5314 | qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, | |
5315 | QLA8XXX_DEV_FAILED); | |
5316 | ha->isp_ops->idc_unlock(ha); | |
f4f5df23 VC |
5317 | ql4_printk(KERN_INFO, ha, "HW State: FAILED\n"); |
5318 | qla4_8xxx_device_state_handler(ha); | |
5319 | } | |
320a61de | 5320 | |
7ab284c9 NJ |
5321 | if (test_bit(DPC_POST_IDC_ACK, &ha->dpc_flags)) { |
5322 | if (is_qla8042(ha)) { | |
5323 | if (ha->idc_info.info2 & | |
5324 | ENABLE_INTERNAL_LOOPBACK) { | |
5325 | ql4_printk(KERN_INFO, ha, "%s: Disabling ACB\n", | |
5326 | __func__); | |
5327 | status = qla4_84xx_config_acb(ha, | |
5328 | ACB_CONFIG_DISABLE); | |
5329 | if (status != QLA_SUCCESS) { | |
5330 | ql4_printk(KERN_INFO, ha, "%s: ACB config failed\n", | |
5331 | __func__); | |
5332 | } | |
5333 | } | |
5334 | } | |
320a61de | 5335 | qla4_83xx_post_idc_ack(ha); |
7ab284c9 NJ |
5336 | clear_bit(DPC_POST_IDC_ACK, &ha->dpc_flags); |
5337 | } | |
5338 | ||
5339 | if (is_qla8042(ha) && | |
5340 | test_bit(DPC_RESTORE_ACB, &ha->dpc_flags)) { | |
5341 | ql4_printk(KERN_INFO, ha, "%s: Restoring ACB\n", | |
5342 | __func__); | |
5343 | if (qla4_84xx_config_acb(ha, ACB_CONFIG_SET) != | |
5344 | QLA_SUCCESS) { | |
5345 | ql4_printk(KERN_INFO, ha, "%s: ACB config failed ", | |
5346 | __func__); | |
5347 | } | |
5348 | clear_bit(DPC_RESTORE_ACB, &ha->dpc_flags); | |
5349 | } | |
320a61de | 5350 | |
f4f5df23 VC |
5351 | if (test_and_clear_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) { |
5352 | qla4_8xxx_need_qsnt_handler(ha); | |
5353 | } | |
5354 | } | |
5355 | ||
5356 | if (!test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) && | |
5357 | (test_bit(DPC_RESET_HA, &ha->dpc_flags) || | |
afaf5a2d | 5358 | test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || |
f4f5df23 | 5359 | test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags))) { |
6e7b4292 | 5360 | if ((is_qla8022(ha) && ql4xdontresethba) || |
b37ca418 VC |
5361 | ((is_qla8032(ha) || is_qla8042(ha)) && |
5362 | qla4_83xx_idc_dontreset(ha))) { | |
f4f5df23 VC |
5363 | DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n", |
5364 | ha->host_no, __func__)); | |
5365 | clear_bit(DPC_RESET_HA, &ha->dpc_flags); | |
5366 | clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags); | |
5367 | clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); | |
5368 | goto dpc_post_reset_ha; | |
5369 | } | |
5370 | if (test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) || | |
5371 | test_bit(DPC_RESET_HA, &ha->dpc_flags)) | |
5372 | qla4xxx_recover_adapter(ha); | |
afaf5a2d | 5373 | |
477ffb9d | 5374 | if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { |
afaf5a2d | 5375 | uint8_t wait_time = RESET_INTR_TOV; |
afaf5a2d | 5376 | |
afaf5a2d DS |
5377 | while ((readw(&ha->reg->ctrl_status) & |
5378 | (CSR_SOFT_RESET | CSR_FORCE_SOFT_RESET)) != 0) { | |
5379 | if (--wait_time == 0) | |
5380 | break; | |
afaf5a2d | 5381 | msleep(1000); |
afaf5a2d | 5382 | } |
afaf5a2d DS |
5383 | if (wait_time == 0) |
5384 | DEBUG2(printk("scsi%ld: %s: SR|FSR " | |
5385 | "bit not cleared-- resetting\n", | |
5386 | ha->host_no, __func__)); | |
f4f5df23 | 5387 | qla4xxx_abort_active_cmds(ha, DID_RESET << 16); |
477ffb9d DS |
5388 | if (ql4xxx_lock_drvr_wait(ha) == QLA_SUCCESS) { |
5389 | qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); | |
f4f5df23 | 5390 | status = qla4xxx_recover_adapter(ha); |
477ffb9d DS |
5391 | } |
5392 | clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags); | |
5393 | if (status == QLA_SUCCESS) | |
f4f5df23 | 5394 | ha->isp_ops->enable_intrs(ha); |
afaf5a2d DS |
5395 | } |
5396 | } | |
5397 | ||
f4f5df23 | 5398 | dpc_post_reset_ha: |
afaf5a2d DS |
5399 | /* ---- process AEN? --- */ |
5400 | if (test_and_clear_bit(DPC_AEN, &ha->dpc_flags)) | |
5401 | qla4xxx_process_aen(ha, PROCESS_ALL_AENS); | |
5402 | ||
5403 | /* ---- Get DHCP IP Address? --- */ | |
5404 | if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags)) | |
5405 | qla4xxx_get_dhcp_ip_address(ha); | |
5406 | ||
13483730 MC |
5407 | /* ---- relogin device? --- */ |
5408 | if (adapter_up(ha) && | |
5409 | test_and_clear_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags)) { | |
5410 | iscsi_host_for_each_session(ha->host, qla4xxx_dpc_relogin); | |
5411 | } | |
5412 | ||
065aa1b4 | 5413 | /* ---- link change? --- */ |
026fbd3a NJ |
5414 | if (!test_bit(AF_LOOPBACK, &ha->flags) && |
5415 | test_and_clear_bit(DPC_LINK_CHANGED, &ha->dpc_flags)) { | |
065aa1b4 VC |
5416 | if (!test_bit(AF_LINK_UP, &ha->flags)) { |
5417 | /* ---- link down? --- */ | |
2d7924e6 | 5418 | qla4xxx_mark_all_devices_missing(ha); |
065aa1b4 VC |
5419 | } else { |
5420 | /* ---- link up? --- * | |
5421 | * F/W will auto login to all devices ONLY ONCE after | |
5422 | * link up during driver initialization and runtime | |
5423 | * fatal error recovery. Therefore, the driver must | |
5424 | * manually relogin to devices when recovering from | |
5425 | * connection failures, logouts, expired KATO, etc. */ | |
13483730 MC |
5426 | if (test_and_clear_bit(AF_BUILD_DDB_LIST, &ha->flags)) { |
5427 | qla4xxx_build_ddb_list(ha, ha->is_reset); | |
5428 | iscsi_host_for_each_session(ha->host, | |
5429 | qla4xxx_login_flash_ddb); | |
5430 | } else | |
5431 | qla4xxx_relogin_all_devices(ha); | |
065aa1b4 VC |
5432 | } |
5433 | } | |
906cbf3d NJ |
5434 | if (test_and_clear_bit(DPC_SYSFS_DDB_EXPORT, &ha->dpc_flags)) { |
5435 | if (qla4xxx_sysfs_ddb_export(ha)) | |
5436 | ql4_printk(KERN_ERR, ha, "%s: Error exporting ddb to sysfs\n", | |
5437 | __func__); | |
5438 | } | |
afaf5a2d DS |
5439 | } |
5440 | ||
5441 | /** | |
5442 | * qla4xxx_free_adapter - release the adapter | |
5443 | * @ha: pointer to adapter structure | |
5444 | **/ | |
5445 | static void qla4xxx_free_adapter(struct scsi_qla_host *ha) | |
5446 | { | |
8a288960 | 5447 | qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); |
afaf5a2d | 5448 | |
5c19b92a VC |
5449 | /* Turn-off interrupts on the card. */ |
5450 | ha->isp_ops->disable_intrs(ha); | |
afaf5a2d | 5451 | |
d9e62e51 VC |
5452 | if (is_qla40XX(ha)) { |
5453 | writel(set_rmask(CSR_SCSI_PROCESSOR_INTR), | |
5454 | &ha->reg->ctrl_status); | |
5455 | readl(&ha->reg->ctrl_status); | |
5456 | } else if (is_qla8022(ha)) { | |
7664a1fd VC |
5457 | writel(0, &ha->qla4_82xx_reg->host_int); |
5458 | readl(&ha->qla4_82xx_reg->host_int); | |
b37ca418 | 5459 | } else if (is_qla8032(ha) || is_qla8042(ha)) { |
fbd8107c VC |
5460 | writel(0, &ha->qla4_83xx_reg->risc_intr); |
5461 | readl(&ha->qla4_83xx_reg->risc_intr); | |
d9e62e51 VC |
5462 | } |
5463 | ||
f4f5df23 VC |
5464 | /* Remove timer thread, if present */ |
5465 | if (ha->timer_active) | |
5466 | qla4xxx_stop_timer(ha); | |
5467 | ||
afaf5a2d DS |
5468 | /* Kill the kernel thread for this host */ |
5469 | if (ha->dpc_thread) | |
5470 | destroy_workqueue(ha->dpc_thread); | |
5471 | ||
b3a271a9 MR |
5472 | /* Kill the kernel thread for this host */ |
5473 | if (ha->task_wq) | |
5474 | destroy_workqueue(ha->task_wq); | |
5475 | ||
f4f5df23 VC |
5476 | /* Put firmware in known state */ |
5477 | ha->isp_ops->reset_firmware(ha); | |
afaf5a2d | 5478 | |
6e7b4292 | 5479 | if (is_qla80XX(ha)) { |
33693c7a | 5480 | ha->isp_ops->idc_lock(ha); |
f4f5df23 | 5481 | qla4_8xxx_clear_drv_active(ha); |
33693c7a | 5482 | ha->isp_ops->idc_unlock(ha); |
f4f5df23 | 5483 | } |
afaf5a2d | 5484 | |
afaf5a2d | 5485 | /* Detach interrupts */ |
5c19b92a | 5486 | qla4xxx_free_irqs(ha); |
afaf5a2d | 5487 | |
bee4fe8e DS |
5488 | /* free extra memory */ |
5489 | qla4xxx_mem_free(ha); | |
f4f5df23 VC |
5490 | } |
5491 | ||
5492 | int qla4_8xxx_iospace_config(struct scsi_qla_host *ha) | |
5493 | { | |
5494 | int status = 0; | |
f4f5df23 VC |
5495 | unsigned long mem_base, mem_len, db_base, db_len; |
5496 | struct pci_dev *pdev = ha->pdev; | |
5497 | ||
5498 | status = pci_request_regions(pdev, DRIVER_NAME); | |
5499 | if (status) { | |
5500 | printk(KERN_WARNING | |
5501 | "scsi(%ld) Failed to reserve PIO regions (%s) " | |
5502 | "status=%d\n", ha->host_no, pci_name(pdev), status); | |
5503 | goto iospace_error_exit; | |
5504 | } | |
5505 | ||
f4f5df23 | 5506 | DEBUG2(printk(KERN_INFO "%s: revision-id=%d\n", |
7d7311c4 SS |
5507 | __func__, pdev->revision)); |
5508 | ha->revision_id = pdev->revision; | |
bee4fe8e | 5509 | |
f4f5df23 VC |
5510 | /* remap phys address */ |
5511 | mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */ | |
5512 | mem_len = pci_resource_len(pdev, 0); | |
5513 | DEBUG2(printk(KERN_INFO "%s: ioremap from %lx a size of %lx\n", | |
5514 | __func__, mem_base, mem_len)); | |
afaf5a2d | 5515 | |
f4f5df23 VC |
5516 | /* mapping of pcibase pointer */ |
5517 | ha->nx_pcibase = (unsigned long)ioremap(mem_base, mem_len); | |
5518 | if (!ha->nx_pcibase) { | |
5519 | printk(KERN_ERR | |
5520 | "cannot remap MMIO (%s), aborting\n", pci_name(pdev)); | |
5521 | pci_release_regions(ha->pdev); | |
5522 | goto iospace_error_exit; | |
5523 | } | |
5524 | ||
5525 | /* Mapping of IO base pointer, door bell read and write pointer */ | |
5526 | ||
5527 | /* mapping of IO base pointer */ | |
6e7b4292 VC |
5528 | if (is_qla8022(ha)) { |
5529 | ha->qla4_82xx_reg = (struct device_reg_82xx __iomem *) | |
5530 | ((uint8_t *)ha->nx_pcibase + 0xbc000 + | |
5531 | (ha->pdev->devfn << 11)); | |
5532 | ha->nx_db_wr_ptr = (ha->pdev->devfn == 4 ? QLA82XX_CAM_RAM_DB1 : | |
5533 | QLA82XX_CAM_RAM_DB2); | |
b37ca418 | 5534 | } else if (is_qla8032(ha) || is_qla8042(ha)) { |
6e7b4292 VC |
5535 | ha->qla4_83xx_reg = (struct device_reg_83xx __iomem *) |
5536 | ((uint8_t *)ha->nx_pcibase); | |
5537 | } | |
f4f5df23 VC |
5538 | |
5539 | db_base = pci_resource_start(pdev, 4); /* doorbell is on bar 4 */ | |
5540 | db_len = pci_resource_len(pdev, 4); | |
5541 | ||
2657c800 | 5542 | return 0; |
f4f5df23 VC |
5543 | iospace_error_exit: |
5544 | return -ENOMEM; | |
afaf5a2d DS |
5545 | } |
5546 | ||
5547 | /*** | |
5548 | * qla4xxx_iospace_config - maps registers | |
5549 | * @ha: pointer to adapter structure | |
5550 | * | |
5551 | * This routines maps HBA's registers from the pci address space | |
5552 | * into the kernel virtual address space for memory mapped i/o. | |
5553 | **/ | |
f4f5df23 | 5554 | int qla4xxx_iospace_config(struct scsi_qla_host *ha) |
afaf5a2d DS |
5555 | { |
5556 | unsigned long pio, pio_len, pio_flags; | |
5557 | unsigned long mmio, mmio_len, mmio_flags; | |
5558 | ||
5559 | pio = pci_resource_start(ha->pdev, 0); | |
5560 | pio_len = pci_resource_len(ha->pdev, 0); | |
5561 | pio_flags = pci_resource_flags(ha->pdev, 0); | |
5562 | if (pio_flags & IORESOURCE_IO) { | |
5563 | if (pio_len < MIN_IOBASE_LEN) { | |
c2660df3 | 5564 | ql4_printk(KERN_WARNING, ha, |
afaf5a2d DS |
5565 | "Invalid PCI I/O region size\n"); |
5566 | pio = 0; | |
5567 | } | |
5568 | } else { | |
c2660df3 | 5569 | ql4_printk(KERN_WARNING, ha, "region #0 not a PIO resource\n"); |
afaf5a2d DS |
5570 | pio = 0; |
5571 | } | |
5572 | ||
5573 | /* Use MMIO operations for all accesses. */ | |
5574 | mmio = pci_resource_start(ha->pdev, 1); | |
5575 | mmio_len = pci_resource_len(ha->pdev, 1); | |
5576 | mmio_flags = pci_resource_flags(ha->pdev, 1); | |
5577 | ||
5578 | if (!(mmio_flags & IORESOURCE_MEM)) { | |
c2660df3 VC |
5579 | ql4_printk(KERN_ERR, ha, |
5580 | "region #0 not an MMIO resource, aborting\n"); | |
afaf5a2d DS |
5581 | |
5582 | goto iospace_error_exit; | |
5583 | } | |
c2660df3 | 5584 | |
afaf5a2d | 5585 | if (mmio_len < MIN_IOBASE_LEN) { |
c2660df3 VC |
5586 | ql4_printk(KERN_ERR, ha, |
5587 | "Invalid PCI mem region size, aborting\n"); | |
afaf5a2d DS |
5588 | goto iospace_error_exit; |
5589 | } | |
5590 | ||
5591 | if (pci_request_regions(ha->pdev, DRIVER_NAME)) { | |
c2660df3 VC |
5592 | ql4_printk(KERN_WARNING, ha, |
5593 | "Failed to reserve PIO/MMIO regions\n"); | |
afaf5a2d DS |
5594 | |
5595 | goto iospace_error_exit; | |
5596 | } | |
5597 | ||
5598 | ha->pio_address = pio; | |
5599 | ha->pio_length = pio_len; | |
5600 | ha->reg = ioremap(mmio, MIN_IOBASE_LEN); | |
5601 | if (!ha->reg) { | |
c2660df3 VC |
5602 | ql4_printk(KERN_ERR, ha, |
5603 | "cannot remap MMIO, aborting\n"); | |
afaf5a2d DS |
5604 | |
5605 | goto iospace_error_exit; | |
5606 | } | |
5607 | ||
5608 | return 0; | |
5609 | ||
5610 | iospace_error_exit: | |
5611 | return -ENOMEM; | |
5612 | } | |
5613 | ||
f4f5df23 VC |
5614 | static struct isp_operations qla4xxx_isp_ops = { |
5615 | .iospace_config = qla4xxx_iospace_config, | |
5616 | .pci_config = qla4xxx_pci_config, | |
5617 | .disable_intrs = qla4xxx_disable_intrs, | |
5618 | .enable_intrs = qla4xxx_enable_intrs, | |
5619 | .start_firmware = qla4xxx_start_firmware, | |
5620 | .intr_handler = qla4xxx_intr_handler, | |
5621 | .interrupt_service_routine = qla4xxx_interrupt_service_routine, | |
5622 | .reset_chip = qla4xxx_soft_reset, | |
5623 | .reset_firmware = qla4xxx_hw_reset, | |
5624 | .queue_iocb = qla4xxx_queue_iocb, | |
5625 | .complete_iocb = qla4xxx_complete_iocb, | |
5626 | .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out, | |
5627 | .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in, | |
5628 | .get_sys_info = qla4xxx_get_sys_info, | |
33693c7a VC |
5629 | .queue_mailbox_command = qla4xxx_queue_mbox_cmd, |
5630 | .process_mailbox_interrupt = qla4xxx_process_mbox_intr, | |
f4f5df23 VC |
5631 | }; |
5632 | ||
7664a1fd | 5633 | static struct isp_operations qla4_82xx_isp_ops = { |
f4f5df23 VC |
5634 | .iospace_config = qla4_8xxx_iospace_config, |
5635 | .pci_config = qla4_8xxx_pci_config, | |
f8086f4f VC |
5636 | .disable_intrs = qla4_82xx_disable_intrs, |
5637 | .enable_intrs = qla4_82xx_enable_intrs, | |
f4f5df23 | 5638 | .start_firmware = qla4_8xxx_load_risc, |
33693c7a | 5639 | .restart_firmware = qla4_82xx_try_start_fw, |
f8086f4f VC |
5640 | .intr_handler = qla4_82xx_intr_handler, |
5641 | .interrupt_service_routine = qla4_82xx_interrupt_service_routine, | |
33693c7a | 5642 | .need_reset = qla4_8xxx_need_reset, |
f8086f4f | 5643 | .reset_chip = qla4_82xx_isp_reset, |
f4f5df23 | 5644 | .reset_firmware = qla4_8xxx_stop_firmware, |
f8086f4f VC |
5645 | .queue_iocb = qla4_82xx_queue_iocb, |
5646 | .complete_iocb = qla4_82xx_complete_iocb, | |
5647 | .rd_shdw_req_q_out = qla4_82xx_rd_shdw_req_q_out, | |
5648 | .rd_shdw_rsp_q_in = qla4_82xx_rd_shdw_rsp_q_in, | |
f4f5df23 | 5649 | .get_sys_info = qla4_8xxx_get_sys_info, |
33693c7a VC |
5650 | .rd_reg_direct = qla4_82xx_rd_32, |
5651 | .wr_reg_direct = qla4_82xx_wr_32, | |
5652 | .rd_reg_indirect = qla4_82xx_md_rd_32, | |
5653 | .wr_reg_indirect = qla4_82xx_md_wr_32, | |
5654 | .idc_lock = qla4_82xx_idc_lock, | |
5655 | .idc_unlock = qla4_82xx_idc_unlock, | |
5656 | .rom_lock_recovery = qla4_82xx_rom_lock_recovery, | |
5657 | .queue_mailbox_command = qla4_82xx_queue_mbox_cmd, | |
5658 | .process_mailbox_interrupt = qla4_82xx_process_mbox_intr, | |
f4f5df23 VC |
5659 | }; |
5660 | ||
6e7b4292 VC |
5661 | static struct isp_operations qla4_83xx_isp_ops = { |
5662 | .iospace_config = qla4_8xxx_iospace_config, | |
5663 | .pci_config = qla4_8xxx_pci_config, | |
5664 | .disable_intrs = qla4_83xx_disable_intrs, | |
5665 | .enable_intrs = qla4_83xx_enable_intrs, | |
5666 | .start_firmware = qla4_8xxx_load_risc, | |
5667 | .restart_firmware = qla4_83xx_start_firmware, | |
5668 | .intr_handler = qla4_83xx_intr_handler, | |
5669 | .interrupt_service_routine = qla4_83xx_interrupt_service_routine, | |
5670 | .need_reset = qla4_8xxx_need_reset, | |
5671 | .reset_chip = qla4_83xx_isp_reset, | |
5672 | .reset_firmware = qla4_8xxx_stop_firmware, | |
5673 | .queue_iocb = qla4_83xx_queue_iocb, | |
5674 | .complete_iocb = qla4_83xx_complete_iocb, | |
a24058f9 TP |
5675 | .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out, |
5676 | .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in, | |
6e7b4292 VC |
5677 | .get_sys_info = qla4_8xxx_get_sys_info, |
5678 | .rd_reg_direct = qla4_83xx_rd_reg, | |
5679 | .wr_reg_direct = qla4_83xx_wr_reg, | |
5680 | .rd_reg_indirect = qla4_83xx_rd_reg_indirect, | |
5681 | .wr_reg_indirect = qla4_83xx_wr_reg_indirect, | |
5682 | .idc_lock = qla4_83xx_drv_lock, | |
5683 | .idc_unlock = qla4_83xx_drv_unlock, | |
5684 | .rom_lock_recovery = qla4_83xx_rom_lock_recovery, | |
5685 | .queue_mailbox_command = qla4_83xx_queue_mbox_cmd, | |
5686 | .process_mailbox_interrupt = qla4_83xx_process_mbox_intr, | |
f4f5df23 VC |
5687 | }; |
5688 | ||
5689 | uint16_t qla4xxx_rd_shdw_req_q_out(struct scsi_qla_host *ha) | |
5690 | { | |
5691 | return (uint16_t)le32_to_cpu(ha->shadow_regs->req_q_out); | |
5692 | } | |
5693 | ||
f8086f4f | 5694 | uint16_t qla4_82xx_rd_shdw_req_q_out(struct scsi_qla_host *ha) |
f4f5df23 | 5695 | { |
7664a1fd | 5696 | return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->req_q_out)); |
f4f5df23 VC |
5697 | } |
5698 | ||
5699 | uint16_t qla4xxx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha) | |
5700 | { | |
5701 | return (uint16_t)le32_to_cpu(ha->shadow_regs->rsp_q_in); | |
5702 | } | |
5703 | ||
f8086f4f | 5704 | uint16_t qla4_82xx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha) |
f4f5df23 | 5705 | { |
7664a1fd | 5706 | return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->rsp_q_in)); |
f4f5df23 VC |
5707 | } |
5708 | ||
2a991c21 MR |
5709 | static ssize_t qla4xxx_show_boot_eth_info(void *data, int type, char *buf) |
5710 | { | |
5711 | struct scsi_qla_host *ha = data; | |
5712 | char *str = buf; | |
5713 | int rc; | |
5714 | ||
5715 | switch (type) { | |
5716 | case ISCSI_BOOT_ETH_FLAGS: | |
5717 | rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT); | |
5718 | break; | |
5719 | case ISCSI_BOOT_ETH_INDEX: | |
5720 | rc = sprintf(str, "0\n"); | |
5721 | break; | |
5722 | case ISCSI_BOOT_ETH_MAC: | |
5723 | rc = sysfs_format_mac(str, ha->my_mac, | |
5724 | MAC_ADDR_LEN); | |
5725 | break; | |
5726 | default: | |
5727 | rc = -ENOSYS; | |
5728 | break; | |
5729 | } | |
5730 | return rc; | |
5731 | } | |
5732 | ||
587a1f16 | 5733 | static umode_t qla4xxx_eth_get_attr_visibility(void *data, int type) |
2a991c21 MR |
5734 | { |
5735 | int rc; | |
5736 | ||
5737 | switch (type) { | |
5738 | case ISCSI_BOOT_ETH_FLAGS: | |
5739 | case ISCSI_BOOT_ETH_MAC: | |
5740 | case ISCSI_BOOT_ETH_INDEX: | |
5741 | rc = S_IRUGO; | |
5742 | break; | |
5743 | default: | |
5744 | rc = 0; | |
5745 | break; | |
5746 | } | |
5747 | return rc; | |
5748 | } | |
5749 | ||
5750 | static ssize_t qla4xxx_show_boot_ini_info(void *data, int type, char *buf) | |
5751 | { | |
5752 | struct scsi_qla_host *ha = data; | |
5753 | char *str = buf; | |
5754 | int rc; | |
5755 | ||
5756 | switch (type) { | |
5757 | case ISCSI_BOOT_INI_INITIATOR_NAME: | |
5758 | rc = sprintf(str, "%s\n", ha->name_string); | |
5759 | break; | |
5760 | default: | |
5761 | rc = -ENOSYS; | |
5762 | break; | |
5763 | } | |
5764 | return rc; | |
5765 | } | |
5766 | ||
587a1f16 | 5767 | static umode_t qla4xxx_ini_get_attr_visibility(void *data, int type) |
2a991c21 MR |
5768 | { |
5769 | int rc; | |
5770 | ||
5771 | switch (type) { | |
5772 | case ISCSI_BOOT_INI_INITIATOR_NAME: | |
5773 | rc = S_IRUGO; | |
5774 | break; | |
5775 | default: | |
5776 | rc = 0; | |
5777 | break; | |
5778 | } | |
5779 | return rc; | |
5780 | } | |
5781 | ||
5782 | static ssize_t | |
5783 | qla4xxx_show_boot_tgt_info(struct ql4_boot_session_info *boot_sess, int type, | |
5784 | char *buf) | |
5785 | { | |
5786 | struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0]; | |
5787 | char *str = buf; | |
5788 | int rc; | |
5789 | ||
5790 | switch (type) { | |
5791 | case ISCSI_BOOT_TGT_NAME: | |
5792 | rc = sprintf(buf, "%s\n", (char *)&boot_sess->target_name); | |
5793 | break; | |
5794 | case ISCSI_BOOT_TGT_IP_ADDR: | |
5795 | if (boot_sess->conn_list[0].dest_ipaddr.ip_type == 0x1) | |
5796 | rc = sprintf(buf, "%pI4\n", | |
5797 | &boot_conn->dest_ipaddr.ip_address); | |
5798 | else | |
5799 | rc = sprintf(str, "%pI6\n", | |
5800 | &boot_conn->dest_ipaddr.ip_address); | |
5801 | break; | |
5802 | case ISCSI_BOOT_TGT_PORT: | |
5803 | rc = sprintf(str, "%d\n", boot_conn->dest_port); | |
5804 | break; | |
5805 | case ISCSI_BOOT_TGT_CHAP_NAME: | |
5806 | rc = sprintf(str, "%.*s\n", | |
5807 | boot_conn->chap.target_chap_name_length, | |
5808 | (char *)&boot_conn->chap.target_chap_name); | |
5809 | break; | |
5810 | case ISCSI_BOOT_TGT_CHAP_SECRET: | |
5811 | rc = sprintf(str, "%.*s\n", | |
5812 | boot_conn->chap.target_secret_length, | |
5813 | (char *)&boot_conn->chap.target_secret); | |
5814 | break; | |
5815 | case ISCSI_BOOT_TGT_REV_CHAP_NAME: | |
5816 | rc = sprintf(str, "%.*s\n", | |
5817 | boot_conn->chap.intr_chap_name_length, | |
5818 | (char *)&boot_conn->chap.intr_chap_name); | |
5819 | break; | |
5820 | case ISCSI_BOOT_TGT_REV_CHAP_SECRET: | |
5821 | rc = sprintf(str, "%.*s\n", | |
5822 | boot_conn->chap.intr_secret_length, | |
5823 | (char *)&boot_conn->chap.intr_secret); | |
5824 | break; | |
5825 | case ISCSI_BOOT_TGT_FLAGS: | |
5826 | rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT); | |
5827 | break; | |
5828 | case ISCSI_BOOT_TGT_NIC_ASSOC: | |
5829 | rc = sprintf(str, "0\n"); | |
5830 | break; | |
5831 | default: | |
5832 | rc = -ENOSYS; | |
5833 | break; | |
5834 | } | |
5835 | return rc; | |
5836 | } | |
5837 | ||
5838 | static ssize_t qla4xxx_show_boot_tgt_pri_info(void *data, int type, char *buf) | |
5839 | { | |
5840 | struct scsi_qla_host *ha = data; | |
5841 | struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_pri_sess); | |
5842 | ||
5843 | return qla4xxx_show_boot_tgt_info(boot_sess, type, buf); | |
5844 | } | |
5845 | ||
5846 | static ssize_t qla4xxx_show_boot_tgt_sec_info(void *data, int type, char *buf) | |
5847 | { | |
5848 | struct scsi_qla_host *ha = data; | |
5849 | struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_sec_sess); | |
5850 | ||
5851 | return qla4xxx_show_boot_tgt_info(boot_sess, type, buf); | |
5852 | } | |
5853 | ||
587a1f16 | 5854 | static umode_t qla4xxx_tgt_get_attr_visibility(void *data, int type) |
2a991c21 MR |
5855 | { |
5856 | int rc; | |
5857 | ||
5858 | switch (type) { | |
5859 | case ISCSI_BOOT_TGT_NAME: | |
5860 | case ISCSI_BOOT_TGT_IP_ADDR: | |
5861 | case ISCSI_BOOT_TGT_PORT: | |
5862 | case ISCSI_BOOT_TGT_CHAP_NAME: | |
5863 | case ISCSI_BOOT_TGT_CHAP_SECRET: | |
5864 | case ISCSI_BOOT_TGT_REV_CHAP_NAME: | |
5865 | case ISCSI_BOOT_TGT_REV_CHAP_SECRET: | |
5866 | case ISCSI_BOOT_TGT_NIC_ASSOC: | |
5867 | case ISCSI_BOOT_TGT_FLAGS: | |
5868 | rc = S_IRUGO; | |
5869 | break; | |
5870 | default: | |
5871 | rc = 0; | |
5872 | break; | |
5873 | } | |
5874 | return rc; | |
5875 | } | |
5876 | ||
5877 | static void qla4xxx_boot_release(void *data) | |
5878 | { | |
5879 | struct scsi_qla_host *ha = data; | |
5880 | ||
5881 | scsi_host_put(ha->host); | |
5882 | } | |
5883 | ||
5884 | static int get_fw_boot_info(struct scsi_qla_host *ha, uint16_t ddb_index[]) | |
5885 | { | |
5886 | dma_addr_t buf_dma; | |
5887 | uint32_t addr, pri_addr, sec_addr; | |
5888 | uint32_t offset; | |
5889 | uint16_t func_num; | |
5890 | uint8_t val; | |
5891 | uint8_t *buf = NULL; | |
5892 | size_t size = 13 * sizeof(uint8_t); | |
5893 | int ret = QLA_SUCCESS; | |
5894 | ||
5895 | func_num = PCI_FUNC(ha->pdev->devfn); | |
5896 | ||
0d5b36b8 MR |
5897 | ql4_printk(KERN_INFO, ha, "%s: Get FW boot info for 0x%x func %d\n", |
5898 | __func__, ha->pdev->device, func_num); | |
2a991c21 | 5899 | |
0d5b36b8 | 5900 | if (is_qla40XX(ha)) { |
2a991c21 MR |
5901 | if (func_num == 1) { |
5902 | addr = NVRAM_PORT0_BOOT_MODE; | |
5903 | pri_addr = NVRAM_PORT0_BOOT_PRI_TGT; | |
5904 | sec_addr = NVRAM_PORT0_BOOT_SEC_TGT; | |
5905 | } else if (func_num == 3) { | |
5906 | addr = NVRAM_PORT1_BOOT_MODE; | |
5907 | pri_addr = NVRAM_PORT1_BOOT_PRI_TGT; | |
5908 | sec_addr = NVRAM_PORT1_BOOT_SEC_TGT; | |
5909 | } else { | |
5910 | ret = QLA_ERROR; | |
5911 | goto exit_boot_info; | |
5912 | } | |
5913 | ||
5914 | /* Check Boot Mode */ | |
5915 | val = rd_nvram_byte(ha, addr); | |
5916 | if (!(val & 0x07)) { | |
e8fb00e0 MR |
5917 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Adapter boot " |
5918 | "options : 0x%x\n", __func__, val)); | |
2a991c21 MR |
5919 | ret = QLA_ERROR; |
5920 | goto exit_boot_info; | |
5921 | } | |
5922 | ||
5923 | /* get primary valid target index */ | |
5924 | val = rd_nvram_byte(ha, pri_addr); | |
5925 | if (val & BIT_7) | |
5926 | ddb_index[0] = (val & 0x7f); | |
2a991c21 MR |
5927 | |
5928 | /* get secondary valid target index */ | |
5929 | val = rd_nvram_byte(ha, sec_addr); | |
5930 | if (val & BIT_7) | |
5931 | ddb_index[1] = (val & 0x7f); | |
608f729c | 5932 | goto exit_boot_info; |
3e788fb1 | 5933 | } else if (is_qla80XX(ha)) { |
2a991c21 MR |
5934 | buf = dma_alloc_coherent(&ha->pdev->dev, size, |
5935 | &buf_dma, GFP_KERNEL); | |
5936 | if (!buf) { | |
5937 | DEBUG2(ql4_printk(KERN_ERR, ha, | |
5938 | "%s: Unable to allocate dma buffer\n", | |
5939 | __func__)); | |
5940 | ret = QLA_ERROR; | |
5941 | goto exit_boot_info; | |
5942 | } | |
5943 | ||
5944 | if (ha->port_num == 0) | |
5945 | offset = BOOT_PARAM_OFFSET_PORT0; | |
5946 | else if (ha->port_num == 1) | |
5947 | offset = BOOT_PARAM_OFFSET_PORT1; | |
5948 | else { | |
5949 | ret = QLA_ERROR; | |
5950 | goto exit_boot_info_free; | |
5951 | } | |
5952 | addr = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_iscsi_param * 4) + | |
5953 | offset; | |
5954 | if (qla4xxx_get_flash(ha, buf_dma, addr, | |
5955 | 13 * sizeof(uint8_t)) != QLA_SUCCESS) { | |
5956 | DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: Get Flash" | |
0bd7f842 | 5957 | " failed\n", ha->host_no, __func__)); |
2a991c21 MR |
5958 | ret = QLA_ERROR; |
5959 | goto exit_boot_info_free; | |
5960 | } | |
5961 | /* Check Boot Mode */ | |
5962 | if (!(buf[1] & 0x07)) { | |
e8fb00e0 MR |
5963 | DEBUG2(ql4_printk(KERN_INFO, ha, "Firmware boot options" |
5964 | " : 0x%x\n", buf[1])); | |
2a991c21 MR |
5965 | ret = QLA_ERROR; |
5966 | goto exit_boot_info_free; | |
5967 | } | |
5968 | ||
5969 | /* get primary valid target index */ | |
5970 | if (buf[2] & BIT_7) | |
5971 | ddb_index[0] = buf[2] & 0x7f; | |
2a991c21 MR |
5972 | |
5973 | /* get secondary valid target index */ | |
5974 | if (buf[11] & BIT_7) | |
5975 | ddb_index[1] = buf[11] & 0x7f; | |
2a991c21 MR |
5976 | } else { |
5977 | ret = QLA_ERROR; | |
5978 | goto exit_boot_info; | |
5979 | } | |
5980 | ||
5981 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary target ID %d, Secondary" | |
5982 | " target ID %d\n", __func__, ddb_index[0], | |
5983 | ddb_index[1])); | |
5984 | ||
5985 | exit_boot_info_free: | |
5986 | dma_free_coherent(&ha->pdev->dev, size, buf, buf_dma); | |
5987 | exit_boot_info: | |
20e835b4 LC |
5988 | ha->pri_ddb_idx = ddb_index[0]; |
5989 | ha->sec_ddb_idx = ddb_index[1]; | |
2a991c21 MR |
5990 | return ret; |
5991 | } | |
5992 | ||
28deb45c LC |
5993 | /** |
5994 | * qla4xxx_get_bidi_chap - Get a BIDI CHAP user and password | |
5995 | * @ha: pointer to adapter structure | |
5996 | * @username: CHAP username to be returned | |
5997 | * @password: CHAP password to be returned | |
5998 | * | |
5999 | * If a boot entry has BIDI CHAP enabled then we need to set the BIDI CHAP | |
6000 | * user and password in the sysfs entry in /sys/firmware/iscsi_boot#/. | |
6001 | * So from the CHAP cache find the first BIDI CHAP entry and set it | |
6002 | * to the boot record in sysfs. | |
6003 | **/ | |
6004 | static int qla4xxx_get_bidi_chap(struct scsi_qla_host *ha, char *username, | |
6005 | char *password) | |
6006 | { | |
6007 | int i, ret = -EINVAL; | |
6008 | int max_chap_entries = 0; | |
6009 | struct ql4_chap_table *chap_table; | |
6010 | ||
d11b0ca3 | 6011 | if (is_qla80XX(ha)) |
28deb45c LC |
6012 | max_chap_entries = (ha->hw.flt_chap_size / 2) / |
6013 | sizeof(struct ql4_chap_table); | |
6014 | else | |
6015 | max_chap_entries = MAX_CHAP_ENTRIES_40XX; | |
6016 | ||
6017 | if (!ha->chap_list) { | |
6018 | ql4_printk(KERN_ERR, ha, "Do not have CHAP table cache\n"); | |
6019 | return ret; | |
6020 | } | |
6021 | ||
6022 | mutex_lock(&ha->chap_sem); | |
6023 | for (i = 0; i < max_chap_entries; i++) { | |
6024 | chap_table = (struct ql4_chap_table *)ha->chap_list + i; | |
6025 | if (chap_table->cookie != | |
6026 | __constant_cpu_to_le16(CHAP_VALID_COOKIE)) { | |
6027 | continue; | |
6028 | } | |
6029 | ||
6030 | if (chap_table->flags & BIT_7) /* local */ | |
6031 | continue; | |
6032 | ||
6033 | if (!(chap_table->flags & BIT_6)) /* Not BIDI */ | |
6034 | continue; | |
6035 | ||
bdbb9662 RS |
6036 | strlcpy(password, chap_table->secret, QL4_CHAP_MAX_SECRET_LEN); |
6037 | strlcpy(username, chap_table->name, QL4_CHAP_MAX_NAME_LEN); | |
28deb45c LC |
6038 | ret = 0; |
6039 | break; | |
6040 | } | |
6041 | mutex_unlock(&ha->chap_sem); | |
6042 | ||
6043 | return ret; | |
6044 | } | |
6045 | ||
6046 | ||
2a991c21 MR |
6047 | static int qla4xxx_get_boot_target(struct scsi_qla_host *ha, |
6048 | struct ql4_boot_session_info *boot_sess, | |
6049 | uint16_t ddb_index) | |
6050 | { | |
6051 | struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0]; | |
6052 | struct dev_db_entry *fw_ddb_entry; | |
6053 | dma_addr_t fw_ddb_entry_dma; | |
6054 | uint16_t idx; | |
6055 | uint16_t options; | |
6056 | int ret = QLA_SUCCESS; | |
6057 | ||
6058 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
6059 | &fw_ddb_entry_dma, GFP_KERNEL); | |
6060 | if (!fw_ddb_entry) { | |
6061 | DEBUG2(ql4_printk(KERN_ERR, ha, | |
6062 | "%s: Unable to allocate dma buffer.\n", | |
6063 | __func__)); | |
6064 | ret = QLA_ERROR; | |
6065 | return ret; | |
6066 | } | |
6067 | ||
6068 | if (qla4xxx_bootdb_by_index(ha, fw_ddb_entry, | |
6069 | fw_ddb_entry_dma, ddb_index)) { | |
e8fb00e0 MR |
6070 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: No Flash DDB found at " |
6071 | "index [%d]\n", __func__, ddb_index)); | |
2a991c21 MR |
6072 | ret = QLA_ERROR; |
6073 | goto exit_boot_target; | |
6074 | } | |
6075 | ||
6076 | /* Update target name and IP from DDB */ | |
6077 | memcpy(boot_sess->target_name, fw_ddb_entry->iscsi_name, | |
6078 | min(sizeof(boot_sess->target_name), | |
6079 | sizeof(fw_ddb_entry->iscsi_name))); | |
6080 | ||
6081 | options = le16_to_cpu(fw_ddb_entry->options); | |
6082 | if (options & DDB_OPT_IPV6_DEVICE) { | |
6083 | memcpy(&boot_conn->dest_ipaddr.ip_address, | |
6084 | &fw_ddb_entry->ip_addr[0], IPv6_ADDR_LEN); | |
6085 | } else { | |
6086 | boot_conn->dest_ipaddr.ip_type = 0x1; | |
6087 | memcpy(&boot_conn->dest_ipaddr.ip_address, | |
6088 | &fw_ddb_entry->ip_addr[0], IP_ADDR_LEN); | |
6089 | } | |
6090 | ||
6091 | boot_conn->dest_port = le16_to_cpu(fw_ddb_entry->port); | |
6092 | ||
6093 | /* update chap information */ | |
6094 | idx = __le16_to_cpu(fw_ddb_entry->chap_tbl_idx); | |
6095 | ||
6096 | if (BIT_7 & le16_to_cpu(fw_ddb_entry->iscsi_options)) { | |
6097 | ||
6098 | DEBUG2(ql4_printk(KERN_INFO, ha, "Setting chap\n")); | |
6099 | ||
6100 | ret = qla4xxx_get_chap(ha, (char *)&boot_conn->chap. | |
6101 | target_chap_name, | |
6102 | (char *)&boot_conn->chap.target_secret, | |
6103 | idx); | |
6104 | if (ret) { | |
6105 | ql4_printk(KERN_ERR, ha, "Failed to set chap\n"); | |
6106 | ret = QLA_ERROR; | |
6107 | goto exit_boot_target; | |
6108 | } | |
6109 | ||
6110 | boot_conn->chap.target_chap_name_length = QL4_CHAP_MAX_NAME_LEN; | |
6111 | boot_conn->chap.target_secret_length = QL4_CHAP_MAX_SECRET_LEN; | |
6112 | } | |
6113 | ||
6114 | if (BIT_4 & le16_to_cpu(fw_ddb_entry->iscsi_options)) { | |
6115 | ||
6116 | DEBUG2(ql4_printk(KERN_INFO, ha, "Setting BIDI chap\n")); | |
6117 | ||
28deb45c LC |
6118 | ret = qla4xxx_get_bidi_chap(ha, |
6119 | (char *)&boot_conn->chap.intr_chap_name, | |
6120 | (char *)&boot_conn->chap.intr_secret); | |
6121 | ||
2a991c21 MR |
6122 | if (ret) { |
6123 | ql4_printk(KERN_ERR, ha, "Failed to set BIDI chap\n"); | |
6124 | ret = QLA_ERROR; | |
6125 | goto exit_boot_target; | |
6126 | } | |
6127 | ||
6128 | boot_conn->chap.intr_chap_name_length = QL4_CHAP_MAX_NAME_LEN; | |
6129 | boot_conn->chap.intr_secret_length = QL4_CHAP_MAX_SECRET_LEN; | |
6130 | } | |
6131 | ||
6132 | exit_boot_target: | |
6133 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
6134 | fw_ddb_entry, fw_ddb_entry_dma); | |
6135 | return ret; | |
6136 | } | |
6137 | ||
6138 | static int qla4xxx_get_boot_info(struct scsi_qla_host *ha) | |
6139 | { | |
6140 | uint16_t ddb_index[2]; | |
8de5b958 LC |
6141 | int ret = QLA_ERROR; |
6142 | int rval; | |
2a991c21 MR |
6143 | |
6144 | memset(ddb_index, 0, sizeof(ddb_index)); | |
8de5b958 LC |
6145 | ddb_index[0] = 0xffff; |
6146 | ddb_index[1] = 0xffff; | |
2a991c21 MR |
6147 | ret = get_fw_boot_info(ha, ddb_index); |
6148 | if (ret != QLA_SUCCESS) { | |
e8fb00e0 MR |
6149 | DEBUG2(ql4_printk(KERN_INFO, ha, |
6150 | "%s: No boot target configured.\n", __func__)); | |
2a991c21 MR |
6151 | return ret; |
6152 | } | |
6153 | ||
13483730 MC |
6154 | if (ql4xdisablesysfsboot) |
6155 | return QLA_SUCCESS; | |
6156 | ||
8de5b958 LC |
6157 | if (ddb_index[0] == 0xffff) |
6158 | goto sec_target; | |
6159 | ||
6160 | rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_pri_sess), | |
2a991c21 | 6161 | ddb_index[0]); |
8de5b958 | 6162 | if (rval != QLA_SUCCESS) { |
e8fb00e0 MR |
6163 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary boot target not " |
6164 | "configured\n", __func__)); | |
8de5b958 LC |
6165 | } else |
6166 | ret = QLA_SUCCESS; | |
2a991c21 | 6167 | |
8de5b958 LC |
6168 | sec_target: |
6169 | if (ddb_index[1] == 0xffff) | |
6170 | goto exit_get_boot_info; | |
6171 | ||
6172 | rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_sec_sess), | |
2a991c21 | 6173 | ddb_index[1]); |
8de5b958 | 6174 | if (rval != QLA_SUCCESS) { |
e8fb00e0 MR |
6175 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Secondary boot target not" |
6176 | " configured\n", __func__)); | |
8de5b958 LC |
6177 | } else |
6178 | ret = QLA_SUCCESS; | |
6179 | ||
6180 | exit_get_boot_info: | |
2a991c21 MR |
6181 | return ret; |
6182 | } | |
6183 | ||
6184 | static int qla4xxx_setup_boot_info(struct scsi_qla_host *ha) | |
6185 | { | |
6186 | struct iscsi_boot_kobj *boot_kobj; | |
6187 | ||
6188 | if (qla4xxx_get_boot_info(ha) != QLA_SUCCESS) | |
13483730 MC |
6189 | return QLA_ERROR; |
6190 | ||
6191 | if (ql4xdisablesysfsboot) { | |
6192 | ql4_printk(KERN_INFO, ha, | |
0bd7f842 | 6193 | "%s: syfsboot disabled - driver will trigger login " |
13483730 MC |
6194 | "and publish session for discovery .\n", __func__); |
6195 | return QLA_SUCCESS; | |
6196 | } | |
6197 | ||
2a991c21 MR |
6198 | |
6199 | ha->boot_kset = iscsi_boot_create_host_kset(ha->host->host_no); | |
6200 | if (!ha->boot_kset) | |
6201 | goto kset_free; | |
6202 | ||
6203 | if (!scsi_host_get(ha->host)) | |
6204 | goto kset_free; | |
6205 | boot_kobj = iscsi_boot_create_target(ha->boot_kset, 0, ha, | |
6206 | qla4xxx_show_boot_tgt_pri_info, | |
6207 | qla4xxx_tgt_get_attr_visibility, | |
6208 | qla4xxx_boot_release); | |
6209 | if (!boot_kobj) | |
6210 | goto put_host; | |
6211 | ||
6212 | if (!scsi_host_get(ha->host)) | |
6213 | goto kset_free; | |
6214 | boot_kobj = iscsi_boot_create_target(ha->boot_kset, 1, ha, | |
6215 | qla4xxx_show_boot_tgt_sec_info, | |
6216 | qla4xxx_tgt_get_attr_visibility, | |
6217 | qla4xxx_boot_release); | |
6218 | if (!boot_kobj) | |
6219 | goto put_host; | |
6220 | ||
6221 | if (!scsi_host_get(ha->host)) | |
6222 | goto kset_free; | |
6223 | boot_kobj = iscsi_boot_create_initiator(ha->boot_kset, 0, ha, | |
6224 | qla4xxx_show_boot_ini_info, | |
6225 | qla4xxx_ini_get_attr_visibility, | |
6226 | qla4xxx_boot_release); | |
6227 | if (!boot_kobj) | |
6228 | goto put_host; | |
6229 | ||
6230 | if (!scsi_host_get(ha->host)) | |
6231 | goto kset_free; | |
6232 | boot_kobj = iscsi_boot_create_ethernet(ha->boot_kset, 0, ha, | |
6233 | qla4xxx_show_boot_eth_info, | |
6234 | qla4xxx_eth_get_attr_visibility, | |
6235 | qla4xxx_boot_release); | |
6236 | if (!boot_kobj) | |
6237 | goto put_host; | |
6238 | ||
13483730 | 6239 | return QLA_SUCCESS; |
2a991c21 MR |
6240 | |
6241 | put_host: | |
6242 | scsi_host_put(ha->host); | |
6243 | kset_free: | |
6244 | iscsi_boot_destroy_kset(ha->boot_kset); | |
6245 | return -ENOMEM; | |
6246 | } | |
6247 | ||
4549415a | 6248 | |
13483730 MC |
6249 | static void qla4xxx_get_param_ddb(struct ddb_entry *ddb_entry, |
6250 | struct ql4_tuple_ddb *tddb) | |
6251 | { | |
6252 | struct scsi_qla_host *ha; | |
6253 | struct iscsi_cls_session *cls_sess; | |
6254 | struct iscsi_cls_conn *cls_conn; | |
6255 | struct iscsi_session *sess; | |
6256 | struct iscsi_conn *conn; | |
6257 | ||
6258 | DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); | |
6259 | ha = ddb_entry->ha; | |
6260 | cls_sess = ddb_entry->sess; | |
6261 | sess = cls_sess->dd_data; | |
6262 | cls_conn = ddb_entry->conn; | |
6263 | conn = cls_conn->dd_data; | |
6264 | ||
6265 | tddb->tpgt = sess->tpgt; | |
6266 | tddb->port = conn->persistent_port; | |
bdbb9662 RS |
6267 | strlcpy(tddb->iscsi_name, sess->targetname, ISCSI_NAME_SIZE); |
6268 | strlcpy(tddb->ip_addr, conn->persistent_address, DDB_IPADDR_LEN); | |
13483730 MC |
6269 | } |
6270 | ||
6271 | static void qla4xxx_convert_param_ddb(struct dev_db_entry *fw_ddb_entry, | |
1cb78d73 VC |
6272 | struct ql4_tuple_ddb *tddb, |
6273 | uint8_t *flash_isid) | |
13483730 MC |
6274 | { |
6275 | uint16_t options = 0; | |
6276 | ||
6277 | tddb->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); | |
6278 | memcpy(&tddb->iscsi_name[0], &fw_ddb_entry->iscsi_name[0], | |
6279 | min(sizeof(tddb->iscsi_name), sizeof(fw_ddb_entry->iscsi_name))); | |
6280 | ||
6281 | options = le16_to_cpu(fw_ddb_entry->options); | |
6282 | if (options & DDB_OPT_IPV6_DEVICE) | |
6283 | sprintf(tddb->ip_addr, "%pI6", fw_ddb_entry->ip_addr); | |
6284 | else | |
6285 | sprintf(tddb->ip_addr, "%pI4", fw_ddb_entry->ip_addr); | |
6286 | ||
6287 | tddb->port = le16_to_cpu(fw_ddb_entry->port); | |
1cb78d73 VC |
6288 | |
6289 | if (flash_isid == NULL) | |
6290 | memcpy(&tddb->isid[0], &fw_ddb_entry->isid[0], | |
6291 | sizeof(tddb->isid)); | |
6292 | else | |
6293 | memcpy(&tddb->isid[0], &flash_isid[0], sizeof(tddb->isid)); | |
13483730 MC |
6294 | } |
6295 | ||
6296 | static int qla4xxx_compare_tuple_ddb(struct scsi_qla_host *ha, | |
6297 | struct ql4_tuple_ddb *old_tddb, | |
173269ef MR |
6298 | struct ql4_tuple_ddb *new_tddb, |
6299 | uint8_t is_isid_compare) | |
13483730 MC |
6300 | { |
6301 | if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name)) | |
6302 | return QLA_ERROR; | |
6303 | ||
6304 | if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr)) | |
6305 | return QLA_ERROR; | |
6306 | ||
6307 | if (old_tddb->port != new_tddb->port) | |
6308 | return QLA_ERROR; | |
6309 | ||
173269ef | 6310 | /* For multi sessions, driver generates the ISID, so do not compare |
59e13d48 | 6311 | * ISID in reset path since it would be a comparison between the |
173269ef MR |
6312 | * driver generated ISID and firmware generated ISID. This could |
6313 | * lead to adding duplicated DDBs in the list as driver generated | |
6314 | * ISID would not match firmware generated ISID. | |
6315 | */ | |
6316 | if (is_isid_compare) { | |
d1d81bd0 OK |
6317 | DEBUG2(ql4_printk(KERN_INFO, ha, |
6318 | "%s: old ISID [%pmR] New ISID [%pmR]\n", | |
6319 | __func__, old_tddb->isid, new_tddb->isid)); | |
173269ef MR |
6320 | |
6321 | if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0], | |
6322 | sizeof(old_tddb->isid))) | |
6323 | return QLA_ERROR; | |
6324 | } | |
6325 | ||
13483730 MC |
6326 | DEBUG2(ql4_printk(KERN_INFO, ha, |
6327 | "Match Found, fw[%d,%d,%s,%s], [%d,%d,%s,%s]", | |
6328 | old_tddb->port, old_tddb->tpgt, old_tddb->ip_addr, | |
6329 | old_tddb->iscsi_name, new_tddb->port, new_tddb->tpgt, | |
6330 | new_tddb->ip_addr, new_tddb->iscsi_name)); | |
6331 | ||
6332 | return QLA_SUCCESS; | |
6333 | } | |
6334 | ||
6335 | static int qla4xxx_is_session_exists(struct scsi_qla_host *ha, | |
ad8bd45e MR |
6336 | struct dev_db_entry *fw_ddb_entry, |
6337 | uint32_t *index) | |
13483730 MC |
6338 | { |
6339 | struct ddb_entry *ddb_entry; | |
6340 | struct ql4_tuple_ddb *fw_tddb = NULL; | |
6341 | struct ql4_tuple_ddb *tmp_tddb = NULL; | |
6342 | int idx; | |
6343 | int ret = QLA_ERROR; | |
6344 | ||
6345 | fw_tddb = vzalloc(sizeof(*fw_tddb)); | |
6346 | if (!fw_tddb) { | |
6347 | DEBUG2(ql4_printk(KERN_WARNING, ha, | |
6348 | "Memory Allocation failed.\n")); | |
6349 | ret = QLA_SUCCESS; | |
6350 | goto exit_check; | |
6351 | } | |
6352 | ||
6353 | tmp_tddb = vzalloc(sizeof(*tmp_tddb)); | |
6354 | if (!tmp_tddb) { | |
6355 | DEBUG2(ql4_printk(KERN_WARNING, ha, | |
6356 | "Memory Allocation failed.\n")); | |
6357 | ret = QLA_SUCCESS; | |
6358 | goto exit_check; | |
6359 | } | |
6360 | ||
1cb78d73 | 6361 | qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL); |
13483730 MC |
6362 | |
6363 | for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { | |
6364 | ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); | |
6365 | if (ddb_entry == NULL) | |
6366 | continue; | |
6367 | ||
6368 | qla4xxx_get_param_ddb(ddb_entry, tmp_tddb); | |
173269ef | 6369 | if (!qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, false)) { |
13483730 | 6370 | ret = QLA_SUCCESS; /* found */ |
ad8bd45e MR |
6371 | if (index != NULL) |
6372 | *index = idx; | |
13483730 MC |
6373 | goto exit_check; |
6374 | } | |
6375 | } | |
6376 | ||
6377 | exit_check: | |
6378 | if (fw_tddb) | |
6379 | vfree(fw_tddb); | |
6380 | if (tmp_tddb) | |
6381 | vfree(tmp_tddb); | |
6382 | return ret; | |
6383 | } | |
6384 | ||
1cb78d73 VC |
6385 | /** |
6386 | * qla4xxx_check_existing_isid - check if target with same isid exist | |
6387 | * in target list | |
6388 | * @list_nt: list of target | |
6389 | * @isid: isid to check | |
6390 | * | |
6391 | * This routine return QLA_SUCCESS if target with same isid exist | |
6392 | **/ | |
6393 | static int qla4xxx_check_existing_isid(struct list_head *list_nt, uint8_t *isid) | |
6394 | { | |
6395 | struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp; | |
6396 | struct dev_db_entry *fw_ddb_entry; | |
6397 | ||
6398 | list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { | |
6399 | fw_ddb_entry = &nt_ddb_idx->fw_ddb; | |
6400 | ||
6401 | if (memcmp(&fw_ddb_entry->isid[0], &isid[0], | |
6402 | sizeof(nt_ddb_idx->fw_ddb.isid)) == 0) { | |
6403 | return QLA_SUCCESS; | |
6404 | } | |
6405 | } | |
6406 | return QLA_ERROR; | |
6407 | } | |
6408 | ||
6409 | /** | |
6410 | * qla4xxx_update_isid - compare ddbs and updated isid | |
6411 | * @ha: Pointer to host adapter structure. | |
6412 | * @list_nt: list of nt target | |
6413 | * @fw_ddb_entry: firmware ddb entry | |
6414 | * | |
6415 | * This routine update isid if ddbs have same iqn, same isid and | |
6416 | * different IP addr. | |
6417 | * Return QLA_SUCCESS if isid is updated. | |
6418 | **/ | |
6419 | static int qla4xxx_update_isid(struct scsi_qla_host *ha, | |
6420 | struct list_head *list_nt, | |
6421 | struct dev_db_entry *fw_ddb_entry) | |
6422 | { | |
6423 | uint8_t base_value, i; | |
6424 | ||
6425 | base_value = fw_ddb_entry->isid[1] & 0x1f; | |
6426 | for (i = 0; i < 8; i++) { | |
6427 | fw_ddb_entry->isid[1] = (base_value | (i << 5)); | |
6428 | if (qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid)) | |
6429 | break; | |
6430 | } | |
6431 | ||
6432 | if (!qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid)) | |
6433 | return QLA_ERROR; | |
6434 | ||
6435 | return QLA_SUCCESS; | |
6436 | } | |
6437 | ||
6438 | /** | |
6439 | * qla4xxx_should_update_isid - check if isid need to update | |
6440 | * @ha: Pointer to host adapter structure. | |
6441 | * @old_tddb: ddb tuple | |
6442 | * @new_tddb: ddb tuple | |
6443 | * | |
6444 | * Return QLA_SUCCESS if different IP, different PORT, same iqn, | |
6445 | * same isid | |
6446 | **/ | |
6447 | static int qla4xxx_should_update_isid(struct scsi_qla_host *ha, | |
6448 | struct ql4_tuple_ddb *old_tddb, | |
6449 | struct ql4_tuple_ddb *new_tddb) | |
6450 | { | |
6451 | if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr) == 0) { | |
6452 | /* Same ip */ | |
6453 | if (old_tddb->port == new_tddb->port) | |
6454 | return QLA_ERROR; | |
6455 | } | |
6456 | ||
6457 | if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name)) | |
6458 | /* different iqn */ | |
6459 | return QLA_ERROR; | |
6460 | ||
6461 | if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0], | |
6462 | sizeof(old_tddb->isid))) | |
6463 | /* different isid */ | |
6464 | return QLA_ERROR; | |
6465 | ||
6466 | return QLA_SUCCESS; | |
6467 | } | |
6468 | ||
6469 | /** | |
6470 | * qla4xxx_is_flash_ddb_exists - check if fw_ddb_entry already exists in list_nt | |
6471 | * @ha: Pointer to host adapter structure. | |
6472 | * @list_nt: list of nt target. | |
6473 | * @fw_ddb_entry: firmware ddb entry. | |
6474 | * | |
6475 | * This routine check if fw_ddb_entry already exists in list_nt to avoid | |
6476 | * duplicate ddb in list_nt. | |
6477 | * Return QLA_SUCCESS if duplicate ddb exit in list_nl. | |
6478 | * Note: This function also update isid of DDB if required. | |
6479 | **/ | |
6480 | ||
13483730 MC |
6481 | static int qla4xxx_is_flash_ddb_exists(struct scsi_qla_host *ha, |
6482 | struct list_head *list_nt, | |
6483 | struct dev_db_entry *fw_ddb_entry) | |
6484 | { | |
6485 | struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp; | |
6486 | struct ql4_tuple_ddb *fw_tddb = NULL; | |
6487 | struct ql4_tuple_ddb *tmp_tddb = NULL; | |
1cb78d73 | 6488 | int rval, ret = QLA_ERROR; |
13483730 MC |
6489 | |
6490 | fw_tddb = vzalloc(sizeof(*fw_tddb)); | |
6491 | if (!fw_tddb) { | |
6492 | DEBUG2(ql4_printk(KERN_WARNING, ha, | |
6493 | "Memory Allocation failed.\n")); | |
6494 | ret = QLA_SUCCESS; | |
6495 | goto exit_check; | |
6496 | } | |
6497 | ||
6498 | tmp_tddb = vzalloc(sizeof(*tmp_tddb)); | |
6499 | if (!tmp_tddb) { | |
6500 | DEBUG2(ql4_printk(KERN_WARNING, ha, | |
6501 | "Memory Allocation failed.\n")); | |
6502 | ret = QLA_SUCCESS; | |
6503 | goto exit_check; | |
6504 | } | |
6505 | ||
1cb78d73 | 6506 | qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL); |
13483730 MC |
6507 | |
6508 | list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { | |
1cb78d73 VC |
6509 | qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb, |
6510 | nt_ddb_idx->flash_isid); | |
6511 | ret = qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, true); | |
6512 | /* found duplicate ddb */ | |
6513 | if (ret == QLA_SUCCESS) | |
6514 | goto exit_check; | |
6515 | } | |
6516 | ||
6517 | list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { | |
6518 | qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb, NULL); | |
6519 | ||
6520 | ret = qla4xxx_should_update_isid(ha, tmp_tddb, fw_tddb); | |
6521 | if (ret == QLA_SUCCESS) { | |
6522 | rval = qla4xxx_update_isid(ha, list_nt, fw_ddb_entry); | |
6523 | if (rval == QLA_SUCCESS) | |
6524 | ret = QLA_ERROR; | |
6525 | else | |
6526 | ret = QLA_SUCCESS; | |
6527 | ||
13483730 MC |
6528 | goto exit_check; |
6529 | } | |
6530 | } | |
6531 | ||
6532 | exit_check: | |
6533 | if (fw_tddb) | |
6534 | vfree(fw_tddb); | |
6535 | if (tmp_tddb) | |
6536 | vfree(tmp_tddb); | |
6537 | return ret; | |
6538 | } | |
6539 | ||
4a4bc2e9 | 6540 | static void qla4xxx_free_ddb_list(struct list_head *list_ddb) |
13483730 | 6541 | { |
4a4bc2e9 | 6542 | struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; |
13483730 | 6543 | |
4a4bc2e9 LC |
6544 | list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { |
6545 | list_del_init(&ddb_idx->list); | |
6546 | vfree(ddb_idx); | |
13483730 | 6547 | } |
13483730 MC |
6548 | } |
6549 | ||
6550 | static struct iscsi_endpoint *qla4xxx_get_ep_fwdb(struct scsi_qla_host *ha, | |
6551 | struct dev_db_entry *fw_ddb_entry) | |
6552 | { | |
6553 | struct iscsi_endpoint *ep; | |
6554 | struct sockaddr_in *addr; | |
6555 | struct sockaddr_in6 *addr6; | |
3dd4849c MR |
6556 | struct sockaddr *t_addr; |
6557 | struct sockaddr_storage *dst_addr; | |
13483730 MC |
6558 | char *ip; |
6559 | ||
6560 | /* TODO: need to destroy on unload iscsi_endpoint*/ | |
6561 | dst_addr = vmalloc(sizeof(*dst_addr)); | |
6562 | if (!dst_addr) | |
6563 | return NULL; | |
6564 | ||
6565 | if (fw_ddb_entry->options & DDB_OPT_IPV6_DEVICE) { | |
3dd4849c MR |
6566 | t_addr = (struct sockaddr *)dst_addr; |
6567 | t_addr->sa_family = AF_INET6; | |
13483730 MC |
6568 | addr6 = (struct sockaddr_in6 *)dst_addr; |
6569 | ip = (char *)&addr6->sin6_addr; | |
6570 | memcpy(ip, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN); | |
6571 | addr6->sin6_port = htons(le16_to_cpu(fw_ddb_entry->port)); | |
6572 | ||
6573 | } else { | |
3dd4849c MR |
6574 | t_addr = (struct sockaddr *)dst_addr; |
6575 | t_addr->sa_family = AF_INET; | |
13483730 MC |
6576 | addr = (struct sockaddr_in *)dst_addr; |
6577 | ip = (char *)&addr->sin_addr; | |
6578 | memcpy(ip, fw_ddb_entry->ip_addr, IP_ADDR_LEN); | |
6579 | addr->sin_port = htons(le16_to_cpu(fw_ddb_entry->port)); | |
6580 | } | |
6581 | ||
3dd4849c | 6582 | ep = qla4xxx_ep_connect(ha->host, (struct sockaddr *)dst_addr, 0); |
13483730 MC |
6583 | vfree(dst_addr); |
6584 | return ep; | |
6585 | } | |
6586 | ||
6587 | static int qla4xxx_verify_boot_idx(struct scsi_qla_host *ha, uint16_t idx) | |
6588 | { | |
6589 | if (ql4xdisablesysfsboot) | |
6590 | return QLA_SUCCESS; | |
6591 | if (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx) | |
6592 | return QLA_ERROR; | |
6593 | return QLA_SUCCESS; | |
6594 | } | |
6595 | ||
6596 | static void qla4xxx_setup_flash_ddb_entry(struct scsi_qla_host *ha, | |
1dc8ed5d MR |
6597 | struct ddb_entry *ddb_entry, |
6598 | uint16_t idx) | |
13483730 | 6599 | { |
c28eaaca NJ |
6600 | uint16_t def_timeout; |
6601 | ||
13483730 MC |
6602 | ddb_entry->ddb_type = FLASH_DDB; |
6603 | ddb_entry->fw_ddb_index = INVALID_ENTRY; | |
6604 | ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE; | |
6605 | ddb_entry->ha = ha; | |
6606 | ddb_entry->unblock_sess = qla4xxx_unblock_flash_ddb; | |
6607 | ddb_entry->ddb_change = qla4xxx_flash_ddb_change; | |
946ac571 | 6608 | ddb_entry->chap_tbl_idx = INVALID_ENTRY; |
13483730 MC |
6609 | |
6610 | atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY); | |
6611 | atomic_set(&ddb_entry->relogin_timer, 0); | |
6612 | atomic_set(&ddb_entry->relogin_retry_count, 0); | |
c28eaaca | 6613 | def_timeout = le16_to_cpu(ddb_entry->fw_ddb_entry.def_timeout); |
13483730 | 6614 | ddb_entry->default_relogin_timeout = |
c28eaaca NJ |
6615 | (def_timeout > LOGIN_TOV) && (def_timeout < LOGIN_TOV * 10) ? |
6616 | def_timeout : LOGIN_TOV; | |
13483730 MC |
6617 | ddb_entry->default_time2wait = |
6618 | le16_to_cpu(ddb_entry->fw_ddb_entry.iscsi_def_time2wait); | |
1dc8ed5d MR |
6619 | |
6620 | if (ql4xdisablesysfsboot && | |
6621 | (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx)) | |
6622 | set_bit(DF_BOOT_TGT, &ddb_entry->flags); | |
13483730 MC |
6623 | } |
6624 | ||
6625 | static void qla4xxx_wait_for_ip_configuration(struct scsi_qla_host *ha) | |
6626 | { | |
6627 | uint32_t idx = 0; | |
6628 | uint32_t ip_idx[IP_ADDR_COUNT] = {0, 1, 2, 3}; /* 4 IP interfaces */ | |
6629 | uint32_t sts[MBOX_REG_COUNT]; | |
6630 | uint32_t ip_state; | |
6631 | unsigned long wtime; | |
6632 | int ret; | |
6633 | ||
6634 | wtime = jiffies + (HZ * IP_CONFIG_TOV); | |
6635 | do { | |
6636 | for (idx = 0; idx < IP_ADDR_COUNT; idx++) { | |
6637 | if (ip_idx[idx] == -1) | |
6638 | continue; | |
6639 | ||
6640 | ret = qla4xxx_get_ip_state(ha, 0, ip_idx[idx], sts); | |
6641 | ||
6642 | if (ret == QLA_ERROR) { | |
6643 | ip_idx[idx] = -1; | |
6644 | continue; | |
6645 | } | |
6646 | ||
6647 | ip_state = (sts[1] & IP_STATE_MASK) >> IP_STATE_SHIFT; | |
6648 | ||
6649 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
6650 | "Waiting for IP state for idx = %d, state = 0x%x\n", | |
6651 | ip_idx[idx], ip_state)); | |
6652 | if (ip_state == IP_ADDRSTATE_UNCONFIGURED || | |
6653 | ip_state == IP_ADDRSTATE_INVALID || | |
6654 | ip_state == IP_ADDRSTATE_PREFERRED || | |
6655 | ip_state == IP_ADDRSTATE_DEPRICATED || | |
6656 | ip_state == IP_ADDRSTATE_DISABLING) | |
6657 | ip_idx[idx] = -1; | |
13483730 MC |
6658 | } |
6659 | ||
6660 | /* Break if all IP states checked */ | |
6661 | if ((ip_idx[0] == -1) && | |
6662 | (ip_idx[1] == -1) && | |
6663 | (ip_idx[2] == -1) && | |
6664 | (ip_idx[3] == -1)) | |
6665 | break; | |
6666 | schedule_timeout_uninterruptible(HZ); | |
6667 | } while (time_after(wtime, jiffies)); | |
6668 | } | |
6669 | ||
ad8bd45e MR |
6670 | static int qla4xxx_cmp_fw_stentry(struct dev_db_entry *fw_ddb_entry, |
6671 | struct dev_db_entry *flash_ddb_entry) | |
6672 | { | |
6673 | uint16_t options = 0; | |
6674 | size_t ip_len = IP_ADDR_LEN; | |
6675 | ||
6676 | options = le16_to_cpu(fw_ddb_entry->options); | |
6677 | if (options & DDB_OPT_IPV6_DEVICE) | |
6678 | ip_len = IPv6_ADDR_LEN; | |
6679 | ||
6680 | if (memcmp(fw_ddb_entry->ip_addr, flash_ddb_entry->ip_addr, ip_len)) | |
6681 | return QLA_ERROR; | |
6682 | ||
6683 | if (memcmp(&fw_ddb_entry->isid[0], &flash_ddb_entry->isid[0], | |
6684 | sizeof(fw_ddb_entry->isid))) | |
6685 | return QLA_ERROR; | |
6686 | ||
6687 | if (memcmp(&fw_ddb_entry->port, &flash_ddb_entry->port, | |
6688 | sizeof(fw_ddb_entry->port))) | |
6689 | return QLA_ERROR; | |
6690 | ||
6691 | return QLA_SUCCESS; | |
6692 | } | |
6693 | ||
6694 | static int qla4xxx_find_flash_st_idx(struct scsi_qla_host *ha, | |
6695 | struct dev_db_entry *fw_ddb_entry, | |
6696 | uint32_t fw_idx, uint32_t *flash_index) | |
6697 | { | |
6698 | struct dev_db_entry *flash_ddb_entry; | |
6699 | dma_addr_t flash_ddb_entry_dma; | |
6700 | uint32_t idx = 0; | |
6701 | int max_ddbs; | |
6702 | int ret = QLA_ERROR, status; | |
6703 | ||
6704 | max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : | |
6705 | MAX_DEV_DB_ENTRIES; | |
6706 | ||
6707 | flash_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, | |
6708 | &flash_ddb_entry_dma); | |
6709 | if (flash_ddb_entry == NULL || fw_ddb_entry == NULL) { | |
6710 | ql4_printk(KERN_ERR, ha, "Out of memory\n"); | |
6711 | goto exit_find_st_idx; | |
6712 | } | |
6713 | ||
6714 | status = qla4xxx_flashdb_by_index(ha, flash_ddb_entry, | |
6715 | flash_ddb_entry_dma, fw_idx); | |
6716 | if (status == QLA_SUCCESS) { | |
6717 | status = qla4xxx_cmp_fw_stentry(fw_ddb_entry, flash_ddb_entry); | |
6718 | if (status == QLA_SUCCESS) { | |
6719 | *flash_index = fw_idx; | |
6720 | ret = QLA_SUCCESS; | |
6721 | goto exit_find_st_idx; | |
6722 | } | |
6723 | } | |
6724 | ||
6725 | for (idx = 0; idx < max_ddbs; idx++) { | |
6726 | status = qla4xxx_flashdb_by_index(ha, flash_ddb_entry, | |
6727 | flash_ddb_entry_dma, idx); | |
6728 | if (status == QLA_ERROR) | |
6729 | continue; | |
6730 | ||
6731 | status = qla4xxx_cmp_fw_stentry(fw_ddb_entry, flash_ddb_entry); | |
6732 | if (status == QLA_SUCCESS) { | |
6733 | *flash_index = idx; | |
6734 | ret = QLA_SUCCESS; | |
6735 | goto exit_find_st_idx; | |
6736 | } | |
6737 | } | |
6738 | ||
6739 | if (idx == max_ddbs) | |
6740 | ql4_printk(KERN_ERR, ha, "Failed to find ST [%d] in flash\n", | |
6741 | fw_idx); | |
6742 | ||
6743 | exit_find_st_idx: | |
6744 | if (flash_ddb_entry) | |
6745 | dma_pool_free(ha->fw_ddb_dma_pool, flash_ddb_entry, | |
6746 | flash_ddb_entry_dma); | |
6747 | ||
6748 | return ret; | |
6749 | } | |
6750 | ||
4a4bc2e9 LC |
6751 | static void qla4xxx_build_st_list(struct scsi_qla_host *ha, |
6752 | struct list_head *list_st) | |
13483730 | 6753 | { |
4a4bc2e9 | 6754 | struct qla_ddb_index *st_ddb_idx; |
13483730 | 6755 | int max_ddbs; |
4a4bc2e9 LC |
6756 | int fw_idx_size; |
6757 | struct dev_db_entry *fw_ddb_entry; | |
6758 | dma_addr_t fw_ddb_dma; | |
13483730 MC |
6759 | int ret; |
6760 | uint32_t idx = 0, next_idx = 0; | |
6761 | uint32_t state = 0, conn_err = 0; | |
ad8bd45e | 6762 | uint32_t flash_index = -1; |
4a4bc2e9 | 6763 | uint16_t conn_id = 0; |
13483730 MC |
6764 | |
6765 | fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, | |
6766 | &fw_ddb_dma); | |
6767 | if (fw_ddb_entry == NULL) { | |
6768 | DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); | |
4a4bc2e9 | 6769 | goto exit_st_list; |
13483730 MC |
6770 | } |
6771 | ||
4a4bc2e9 LC |
6772 | max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : |
6773 | MAX_DEV_DB_ENTRIES; | |
13483730 MC |
6774 | fw_idx_size = sizeof(struct qla_ddb_index); |
6775 | ||
6776 | for (idx = 0; idx < max_ddbs; idx = next_idx) { | |
4a4bc2e9 LC |
6777 | ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, |
6778 | NULL, &next_idx, &state, | |
6779 | &conn_err, NULL, &conn_id); | |
13483730 MC |
6780 | if (ret == QLA_ERROR) |
6781 | break; | |
6782 | ||
981c982c LC |
6783 | /* Ignore DDB if invalid state (unassigned) */ |
6784 | if (state == DDB_DS_UNASSIGNED) | |
6785 | goto continue_next_st; | |
6786 | ||
13483730 MC |
6787 | /* Check if ST, add to the list_st */ |
6788 | if (strlen((char *) fw_ddb_entry->iscsi_name) != 0) | |
6789 | goto continue_next_st; | |
6790 | ||
6791 | st_ddb_idx = vzalloc(fw_idx_size); | |
6792 | if (!st_ddb_idx) | |
6793 | break; | |
6794 | ||
ad8bd45e MR |
6795 | ret = qla4xxx_find_flash_st_idx(ha, fw_ddb_entry, idx, |
6796 | &flash_index); | |
6797 | if (ret == QLA_ERROR) { | |
6798 | ql4_printk(KERN_ERR, ha, | |
6799 | "No flash entry for ST at idx [%d]\n", idx); | |
6800 | st_ddb_idx->flash_ddb_idx = idx; | |
6801 | } else { | |
6802 | ql4_printk(KERN_INFO, ha, | |
6803 | "ST at idx [%d] is stored at flash [%d]\n", | |
6804 | idx, flash_index); | |
6805 | st_ddb_idx->flash_ddb_idx = flash_index; | |
6806 | } | |
6807 | ||
13483730 MC |
6808 | st_ddb_idx->fw_ddb_idx = idx; |
6809 | ||
4a4bc2e9 | 6810 | list_add_tail(&st_ddb_idx->list, list_st); |
13483730 MC |
6811 | continue_next_st: |
6812 | if (next_idx == 0) | |
6813 | break; | |
6814 | } | |
6815 | ||
4a4bc2e9 LC |
6816 | exit_st_list: |
6817 | if (fw_ddb_entry) | |
6818 | dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); | |
6819 | } | |
6820 | ||
6821 | /** | |
6822 | * qla4xxx_remove_failed_ddb - Remove inactive or failed ddb from list | |
6823 | * @ha: pointer to adapter structure | |
6824 | * @list_ddb: List from which failed ddb to be removed | |
6825 | * | |
6826 | * Iterate over the list of DDBs and find and remove DDBs that are either in | |
6827 | * no connection active state or failed state | |
6828 | **/ | |
6829 | static void qla4xxx_remove_failed_ddb(struct scsi_qla_host *ha, | |
6830 | struct list_head *list_ddb) | |
6831 | { | |
6832 | struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; | |
6833 | uint32_t next_idx = 0; | |
6834 | uint32_t state = 0, conn_err = 0; | |
6835 | int ret; | |
6836 | ||
6837 | list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { | |
6838 | ret = qla4xxx_get_fwddb_entry(ha, ddb_idx->fw_ddb_idx, | |
6839 | NULL, 0, NULL, &next_idx, &state, | |
6840 | &conn_err, NULL, NULL); | |
6841 | if (ret == QLA_ERROR) | |
6842 | continue; | |
6843 | ||
6844 | if (state == DDB_DS_NO_CONNECTION_ACTIVE || | |
6845 | state == DDB_DS_SESSION_FAILED) { | |
6846 | list_del_init(&ddb_idx->list); | |
6847 | vfree(ddb_idx); | |
6848 | } | |
6849 | } | |
6850 | } | |
6851 | ||
ad8bd45e MR |
6852 | static void qla4xxx_update_sess_disc_idx(struct scsi_qla_host *ha, |
6853 | struct ddb_entry *ddb_entry, | |
6854 | struct dev_db_entry *fw_ddb_entry) | |
6855 | { | |
6856 | struct iscsi_cls_session *cls_sess; | |
6857 | struct iscsi_session *sess; | |
6858 | uint32_t max_ddbs = 0; | |
6859 | uint16_t ddb_link = -1; | |
6860 | ||
6861 | max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : | |
6862 | MAX_DEV_DB_ENTRIES; | |
6863 | ||
6864 | cls_sess = ddb_entry->sess; | |
6865 | sess = cls_sess->dd_data; | |
6866 | ||
6867 | ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); | |
6868 | if (ddb_link < max_ddbs) | |
6869 | sess->discovery_parent_idx = ddb_link; | |
6870 | else | |
6871 | sess->discovery_parent_idx = DDB_NO_LINK; | |
6872 | } | |
6873 | ||
4a4bc2e9 LC |
6874 | static int qla4xxx_sess_conn_setup(struct scsi_qla_host *ha, |
6875 | struct dev_db_entry *fw_ddb_entry, | |
1dc8ed5d | 6876 | int is_reset, uint16_t idx) |
4a4bc2e9 LC |
6877 | { |
6878 | struct iscsi_cls_session *cls_sess; | |
6879 | struct iscsi_session *sess; | |
6880 | struct iscsi_cls_conn *cls_conn; | |
6881 | struct iscsi_endpoint *ep; | |
6882 | uint16_t cmds_max = 32; | |
6883 | uint16_t conn_id = 0; | |
6884 | uint32_t initial_cmdsn = 0; | |
6885 | int ret = QLA_SUCCESS; | |
6886 | ||
6887 | struct ddb_entry *ddb_entry = NULL; | |
6888 | ||
6889 | /* Create session object, with INVALID_ENTRY, | |
6890 | * the targer_id would get set when we issue the login | |
13483730 | 6891 | */ |
4a4bc2e9 LC |
6892 | cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, ha->host, |
6893 | cmds_max, sizeof(struct ddb_entry), | |
6894 | sizeof(struct ql4_task_data), | |
6895 | initial_cmdsn, INVALID_ENTRY); | |
6896 | if (!cls_sess) { | |
6897 | ret = QLA_ERROR; | |
6898 | goto exit_setup; | |
6899 | } | |
13483730 | 6900 | |
4a4bc2e9 LC |
6901 | /* |
6902 | * so calling module_put function to decrement the | |
6903 | * reference count. | |
6904 | **/ | |
6905 | module_put(qla4xxx_iscsi_transport.owner); | |
6906 | sess = cls_sess->dd_data; | |
6907 | ddb_entry = sess->dd_data; | |
6908 | ddb_entry->sess = cls_sess; | |
6909 | ||
6910 | cls_sess->recovery_tmo = ql4xsess_recovery_tmo; | |
6911 | memcpy(&ddb_entry->fw_ddb_entry, fw_ddb_entry, | |
6912 | sizeof(struct dev_db_entry)); | |
6913 | ||
1dc8ed5d | 6914 | qla4xxx_setup_flash_ddb_entry(ha, ddb_entry, idx); |
4a4bc2e9 LC |
6915 | |
6916 | cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn), conn_id); | |
6917 | ||
6918 | if (!cls_conn) { | |
6919 | ret = QLA_ERROR; | |
6920 | goto exit_setup; | |
13483730 MC |
6921 | } |
6922 | ||
4a4bc2e9 | 6923 | ddb_entry->conn = cls_conn; |
13483730 | 6924 | |
4a4bc2e9 LC |
6925 | /* Setup ep, for displaying attributes in sysfs */ |
6926 | ep = qla4xxx_get_ep_fwdb(ha, fw_ddb_entry); | |
6927 | if (ep) { | |
6928 | ep->conn = cls_conn; | |
6929 | cls_conn->ep = ep; | |
6930 | } else { | |
6931 | DEBUG2(ql4_printk(KERN_ERR, ha, "Unable to get ep\n")); | |
6932 | ret = QLA_ERROR; | |
6933 | goto exit_setup; | |
6934 | } | |
13483730 | 6935 | |
4a4bc2e9 LC |
6936 | /* Update sess/conn params */ |
6937 | qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn); | |
ad8bd45e | 6938 | qla4xxx_update_sess_disc_idx(ha, ddb_entry, fw_ddb_entry); |
13483730 | 6939 | |
4a4bc2e9 LC |
6940 | if (is_reset == RESET_ADAPTER) { |
6941 | iscsi_block_session(cls_sess); | |
6942 | /* Use the relogin path to discover new devices | |
6943 | * by short-circuting the logic of setting | |
6944 | * timer to relogin - instead set the flags | |
6945 | * to initiate login right away. | |
6946 | */ | |
6947 | set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); | |
6948 | set_bit(DF_RELOGIN, &ddb_entry->flags); | |
6949 | } | |
6950 | ||
6951 | exit_setup: | |
6952 | return ret; | |
6953 | } | |
6954 | ||
ad8bd45e MR |
6955 | static void qla4xxx_update_fw_ddb_link(struct scsi_qla_host *ha, |
6956 | struct list_head *list_ddb, | |
6957 | struct dev_db_entry *fw_ddb_entry) | |
6958 | { | |
6959 | struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; | |
6960 | uint16_t ddb_link; | |
6961 | ||
6962 | ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); | |
6963 | ||
6964 | list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { | |
6965 | if (ddb_idx->fw_ddb_idx == ddb_link) { | |
6966 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
6967 | "Updating NT parent idx from [%d] to [%d]\n", | |
6968 | ddb_link, ddb_idx->flash_ddb_idx)); | |
6969 | fw_ddb_entry->ddb_link = | |
6970 | cpu_to_le16(ddb_idx->flash_ddb_idx); | |
6971 | return; | |
6972 | } | |
6973 | } | |
6974 | } | |
6975 | ||
4a4bc2e9 | 6976 | static void qla4xxx_build_nt_list(struct scsi_qla_host *ha, |
ad8bd45e MR |
6977 | struct list_head *list_nt, |
6978 | struct list_head *list_st, | |
6979 | int is_reset) | |
4a4bc2e9 LC |
6980 | { |
6981 | struct dev_db_entry *fw_ddb_entry; | |
ad8bd45e | 6982 | struct ddb_entry *ddb_entry = NULL; |
4a4bc2e9 LC |
6983 | dma_addr_t fw_ddb_dma; |
6984 | int max_ddbs; | |
6985 | int fw_idx_size; | |
6986 | int ret; | |
6987 | uint32_t idx = 0, next_idx = 0; | |
6988 | uint32_t state = 0, conn_err = 0; | |
ad8bd45e | 6989 | uint32_t ddb_idx = -1; |
4a4bc2e9 | 6990 | uint16_t conn_id = 0; |
ad8bd45e | 6991 | uint16_t ddb_link = -1; |
4a4bc2e9 LC |
6992 | struct qla_ddb_index *nt_ddb_idx; |
6993 | ||
6994 | fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, | |
6995 | &fw_ddb_dma); | |
6996 | if (fw_ddb_entry == NULL) { | |
6997 | DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); | |
6998 | goto exit_nt_list; | |
13483730 | 6999 | } |
4a4bc2e9 LC |
7000 | max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : |
7001 | MAX_DEV_DB_ENTRIES; | |
7002 | fw_idx_size = sizeof(struct qla_ddb_index); | |
13483730 MC |
7003 | |
7004 | for (idx = 0; idx < max_ddbs; idx = next_idx) { | |
4a4bc2e9 LC |
7005 | ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, |
7006 | NULL, &next_idx, &state, | |
7007 | &conn_err, NULL, &conn_id); | |
13483730 MC |
7008 | if (ret == QLA_ERROR) |
7009 | break; | |
7010 | ||
7011 | if (qla4xxx_verify_boot_idx(ha, idx) != QLA_SUCCESS) | |
7012 | goto continue_next_nt; | |
7013 | ||
7014 | /* Check if NT, then add to list it */ | |
7015 | if (strlen((char *) fw_ddb_entry->iscsi_name) == 0) | |
7016 | goto continue_next_nt; | |
7017 | ||
ad8bd45e MR |
7018 | ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); |
7019 | if (ddb_link < max_ddbs) | |
7020 | qla4xxx_update_fw_ddb_link(ha, list_st, fw_ddb_entry); | |
7021 | ||
4a4bc2e9 | 7022 | if (!(state == DDB_DS_NO_CONNECTION_ACTIVE || |
ad8bd45e MR |
7023 | state == DDB_DS_SESSION_FAILED) && |
7024 | (is_reset == INIT_ADAPTER)) | |
4a4bc2e9 | 7025 | goto continue_next_nt; |
13483730 | 7026 | |
4a4bc2e9 LC |
7027 | DEBUG2(ql4_printk(KERN_INFO, ha, |
7028 | "Adding DDB to session = 0x%x\n", idx)); | |
ad8bd45e | 7029 | |
4a4bc2e9 LC |
7030 | if (is_reset == INIT_ADAPTER) { |
7031 | nt_ddb_idx = vmalloc(fw_idx_size); | |
7032 | if (!nt_ddb_idx) | |
7033 | break; | |
13483730 | 7034 | |
4a4bc2e9 | 7035 | nt_ddb_idx->fw_ddb_idx = idx; |
13483730 | 7036 | |
1cb78d73 VC |
7037 | /* Copy original isid as it may get updated in function |
7038 | * qla4xxx_update_isid(). We need original isid in | |
7039 | * function qla4xxx_compare_tuple_ddb to find duplicate | |
7040 | * target */ | |
7041 | memcpy(&nt_ddb_idx->flash_isid[0], | |
7042 | &fw_ddb_entry->isid[0], | |
7043 | sizeof(nt_ddb_idx->flash_isid)); | |
7044 | ||
7045 | ret = qla4xxx_is_flash_ddb_exists(ha, list_nt, | |
7046 | fw_ddb_entry); | |
7047 | if (ret == QLA_SUCCESS) { | |
7048 | /* free nt_ddb_idx and do not add to list_nt */ | |
4a4bc2e9 LC |
7049 | vfree(nt_ddb_idx); |
7050 | goto continue_next_nt; | |
13483730 | 7051 | } |
1cb78d73 VC |
7052 | |
7053 | /* Copy updated isid */ | |
7054 | memcpy(&nt_ddb_idx->fw_ddb, fw_ddb_entry, | |
7055 | sizeof(struct dev_db_entry)); | |
7056 | ||
4a4bc2e9 LC |
7057 | list_add_tail(&nt_ddb_idx->list, list_nt); |
7058 | } else if (is_reset == RESET_ADAPTER) { | |
ad8bd45e MR |
7059 | ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, |
7060 | &ddb_idx); | |
7061 | if (ret == QLA_SUCCESS) { | |
7062 | ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, | |
7063 | ddb_idx); | |
7064 | if (ddb_entry != NULL) | |
7065 | qla4xxx_update_sess_disc_idx(ha, | |
7066 | ddb_entry, | |
7067 | fw_ddb_entry); | |
4a4bc2e9 | 7068 | goto continue_next_nt; |
ad8bd45e | 7069 | } |
13483730 | 7070 | } |
4a4bc2e9 | 7071 | |
1dc8ed5d | 7072 | ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, is_reset, idx); |
4a4bc2e9 LC |
7073 | if (ret == QLA_ERROR) |
7074 | goto exit_nt_list; | |
7075 | ||
13483730 MC |
7076 | continue_next_nt: |
7077 | if (next_idx == 0) | |
7078 | break; | |
7079 | } | |
4a4bc2e9 LC |
7080 | |
7081 | exit_nt_list: | |
13483730 MC |
7082 | if (fw_ddb_entry) |
7083 | dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); | |
4a4bc2e9 LC |
7084 | } |
7085 | ||
1e9e2be3 | 7086 | static void qla4xxx_build_new_nt_list(struct scsi_qla_host *ha, |
ad8bd45e MR |
7087 | struct list_head *list_nt, |
7088 | uint16_t target_id) | |
1e9e2be3 AC |
7089 | { |
7090 | struct dev_db_entry *fw_ddb_entry; | |
7091 | dma_addr_t fw_ddb_dma; | |
7092 | int max_ddbs; | |
7093 | int fw_idx_size; | |
7094 | int ret; | |
7095 | uint32_t idx = 0, next_idx = 0; | |
7096 | uint32_t state = 0, conn_err = 0; | |
7097 | uint16_t conn_id = 0; | |
7098 | struct qla_ddb_index *nt_ddb_idx; | |
7099 | ||
7100 | fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, | |
7101 | &fw_ddb_dma); | |
7102 | if (fw_ddb_entry == NULL) { | |
7103 | DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); | |
7104 | goto exit_new_nt_list; | |
7105 | } | |
7106 | max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : | |
7107 | MAX_DEV_DB_ENTRIES; | |
7108 | fw_idx_size = sizeof(struct qla_ddb_index); | |
7109 | ||
7110 | for (idx = 0; idx < max_ddbs; idx = next_idx) { | |
7111 | ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, | |
7112 | NULL, &next_idx, &state, | |
7113 | &conn_err, NULL, &conn_id); | |
7114 | if (ret == QLA_ERROR) | |
7115 | break; | |
7116 | ||
7117 | /* Check if NT, then add it to list */ | |
7118 | if (strlen((char *)fw_ddb_entry->iscsi_name) == 0) | |
7119 | goto continue_next_new_nt; | |
7120 | ||
7121 | if (!(state == DDB_DS_NO_CONNECTION_ACTIVE)) | |
7122 | goto continue_next_new_nt; | |
7123 | ||
7124 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
7125 | "Adding DDB to session = 0x%x\n", idx)); | |
7126 | ||
7127 | nt_ddb_idx = vmalloc(fw_idx_size); | |
7128 | if (!nt_ddb_idx) | |
7129 | break; | |
7130 | ||
7131 | nt_ddb_idx->fw_ddb_idx = idx; | |
7132 | ||
ad8bd45e | 7133 | ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, NULL); |
1e9e2be3 AC |
7134 | if (ret == QLA_SUCCESS) { |
7135 | /* free nt_ddb_idx and do not add to list_nt */ | |
7136 | vfree(nt_ddb_idx); | |
7137 | goto continue_next_new_nt; | |
7138 | } | |
7139 | ||
ad8bd45e MR |
7140 | if (target_id < max_ddbs) |
7141 | fw_ddb_entry->ddb_link = cpu_to_le16(target_id); | |
7142 | ||
1e9e2be3 AC |
7143 | list_add_tail(&nt_ddb_idx->list, list_nt); |
7144 | ||
7145 | ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, RESET_ADAPTER, | |
7146 | idx); | |
7147 | if (ret == QLA_ERROR) | |
7148 | goto exit_new_nt_list; | |
7149 | ||
7150 | continue_next_new_nt: | |
7151 | if (next_idx == 0) | |
7152 | break; | |
7153 | } | |
7154 | ||
7155 | exit_new_nt_list: | |
7156 | if (fw_ddb_entry) | |
7157 | dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); | |
7158 | } | |
7159 | ||
4a4bc2e9 | 7160 | /** |
1e9e2be3 AC |
7161 | * qla4xxx_sysfs_ddb_is_non_persistent - check for non-persistence of ddb entry |
7162 | * @dev: dev associated with the sysfs entry | |
7163 | * @data: pointer to flashnode session object | |
4a4bc2e9 | 7164 | * |
1e9e2be3 AC |
7165 | * Returns: |
7166 | * 1: if flashnode entry is non-persistent | |
7167 | * 0: if flashnode entry is persistent | |
4a4bc2e9 | 7168 | **/ |
1e9e2be3 | 7169 | static int qla4xxx_sysfs_ddb_is_non_persistent(struct device *dev, void *data) |
4a4bc2e9 | 7170 | { |
1e9e2be3 | 7171 | struct iscsi_bus_flash_session *fnode_sess; |
4a4bc2e9 | 7172 | |
1e9e2be3 AC |
7173 | if (!iscsi_flashnode_bus_match(dev, NULL)) |
7174 | return 0; | |
4a4bc2e9 | 7175 | |
1e9e2be3 | 7176 | fnode_sess = iscsi_dev_to_flash_session(dev); |
4a4bc2e9 | 7177 | |
1e9e2be3 AC |
7178 | return (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT); |
7179 | } | |
4a4bc2e9 | 7180 | |
1e9e2be3 AC |
7181 | /** |
7182 | * qla4xxx_sysfs_ddb_tgt_create - Create sysfs entry for target | |
7183 | * @ha: pointer to host | |
7184 | * @fw_ddb_entry: flash ddb data | |
7185 | * @idx: target index | |
7186 | * @user: if set then this call is made from userland else from kernel | |
7187 | * | |
7188 | * Returns: | |
7189 | * On sucess: QLA_SUCCESS | |
7190 | * On failure: QLA_ERROR | |
7191 | * | |
7192 | * This create separate sysfs entries for session and connection attributes of | |
7193 | * the given fw ddb entry. | |
7194 | * If this is invoked as a result of a userspace call then the entry is marked | |
7195 | * as nonpersistent using flash_state field. | |
7196 | **/ | |
28e02f1a VC |
7197 | static int qla4xxx_sysfs_ddb_tgt_create(struct scsi_qla_host *ha, |
7198 | struct dev_db_entry *fw_ddb_entry, | |
7199 | uint16_t *idx, int user) | |
1e9e2be3 AC |
7200 | { |
7201 | struct iscsi_bus_flash_session *fnode_sess = NULL; | |
7202 | struct iscsi_bus_flash_conn *fnode_conn = NULL; | |
7203 | int rc = QLA_ERROR; | |
4a4bc2e9 | 7204 | |
1e9e2be3 AC |
7205 | fnode_sess = iscsi_create_flashnode_sess(ha->host, *idx, |
7206 | &qla4xxx_iscsi_transport, 0); | |
7207 | if (!fnode_sess) { | |
7208 | ql4_printk(KERN_ERR, ha, | |
7209 | "%s: Unable to create session sysfs entry for flashnode %d of host%lu\n", | |
7210 | __func__, *idx, ha->host_no); | |
7211 | goto exit_tgt_create; | |
4a4bc2e9 LC |
7212 | } |
7213 | ||
1e9e2be3 AC |
7214 | fnode_conn = iscsi_create_flashnode_conn(ha->host, fnode_sess, |
7215 | &qla4xxx_iscsi_transport, 0); | |
7216 | if (!fnode_conn) { | |
7217 | ql4_printk(KERN_ERR, ha, | |
7218 | "%s: Unable to create conn sysfs entry for flashnode %d of host%lu\n", | |
7219 | __func__, *idx, ha->host_no); | |
7220 | goto free_sess; | |
7221 | } | |
c28eaaca | 7222 | |
1e9e2be3 AC |
7223 | if (user) { |
7224 | fnode_sess->flash_state = DEV_DB_NON_PERSISTENT; | |
7225 | } else { | |
7226 | fnode_sess->flash_state = DEV_DB_PERSISTENT; | |
4a4bc2e9 | 7227 | |
1e9e2be3 AC |
7228 | if (*idx == ha->pri_ddb_idx || *idx == ha->sec_ddb_idx) |
7229 | fnode_sess->is_boot_target = 1; | |
7230 | else | |
7231 | fnode_sess->is_boot_target = 0; | |
7232 | } | |
f1f2e60e | 7233 | |
1e9e2be3 AC |
7234 | rc = qla4xxx_copy_from_fwddb_param(fnode_sess, fnode_conn, |
7235 | fw_ddb_entry); | |
72b4a046 Y |
7236 | if (rc) |
7237 | goto free_sess; | |
4a4bc2e9 | 7238 | |
1e9e2be3 AC |
7239 | ql4_printk(KERN_INFO, ha, "%s: sysfs entry %s created\n", |
7240 | __func__, fnode_sess->dev.kobj.name); | |
4a4bc2e9 | 7241 | |
1e9e2be3 AC |
7242 | ql4_printk(KERN_INFO, ha, "%s: sysfs entry %s created\n", |
7243 | __func__, fnode_conn->dev.kobj.name); | |
4a4bc2e9 | 7244 | |
1e9e2be3 | 7245 | return QLA_SUCCESS; |
13483730 | 7246 | |
1e9e2be3 AC |
7247 | free_sess: |
7248 | iscsi_destroy_flashnode_sess(fnode_sess); | |
7249 | ||
7250 | exit_tgt_create: | |
7251 | return QLA_ERROR; | |
13483730 MC |
7252 | } |
7253 | ||
1dc8ed5d | 7254 | /** |
1e9e2be3 AC |
7255 | * qla4xxx_sysfs_ddb_add - Add new ddb entry in flash |
7256 | * @shost: pointer to host | |
7257 | * @buf: type of ddb entry (ipv4/ipv6) | |
7258 | * @len: length of buf | |
1dc8ed5d | 7259 | * |
1e9e2be3 AC |
7260 | * This creates new ddb entry in the flash by finding first free index and |
7261 | * storing default ddb there. And then create sysfs entry for the new ddb entry. | |
1dc8ed5d | 7262 | **/ |
1e9e2be3 AC |
7263 | static int qla4xxx_sysfs_ddb_add(struct Scsi_Host *shost, const char *buf, |
7264 | int len) | |
1dc8ed5d | 7265 | { |
1e9e2be3 | 7266 | struct scsi_qla_host *ha = to_qla_host(shost); |
1dc8ed5d MR |
7267 | struct dev_db_entry *fw_ddb_entry = NULL; |
7268 | dma_addr_t fw_ddb_entry_dma; | |
1e9e2be3 AC |
7269 | struct device *dev; |
7270 | uint16_t idx = 0; | |
7271 | uint16_t max_ddbs = 0; | |
7272 | uint32_t options = 0; | |
7273 | uint32_t rval = QLA_ERROR; | |
7274 | ||
c962c18b AC |
7275 | if (strncasecmp(PORTAL_TYPE_IPV4, buf, 4) && |
7276 | strncasecmp(PORTAL_TYPE_IPV6, buf, 4)) { | |
1e9e2be3 AC |
7277 | DEBUG2(ql4_printk(KERN_ERR, ha, "%s: Invalid portal type\n", |
7278 | __func__)); | |
7279 | goto exit_ddb_add; | |
7280 | } | |
1dc8ed5d | 7281 | |
a957a7d7 | 7282 | max_ddbs = is_qla40XX(ha) ? MAX_PRST_DEV_DB_ENTRIES : |
1dc8ed5d MR |
7283 | MAX_DEV_DB_ENTRIES; |
7284 | ||
7285 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
7286 | &fw_ddb_entry_dma, GFP_KERNEL); | |
7287 | if (!fw_ddb_entry) { | |
1e9e2be3 AC |
7288 | DEBUG2(ql4_printk(KERN_ERR, ha, |
7289 | "%s: Unable to allocate dma buffer\n", | |
7290 | __func__)); | |
7291 | goto exit_ddb_add; | |
1dc8ed5d MR |
7292 | } |
7293 | ||
1e9e2be3 AC |
7294 | dev = iscsi_find_flashnode_sess(ha->host, NULL, |
7295 | qla4xxx_sysfs_ddb_is_non_persistent); | |
7296 | if (dev) { | |
7297 | ql4_printk(KERN_ERR, ha, | |
7298 | "%s: A non-persistent entry %s found\n", | |
7299 | __func__, dev->kobj.name); | |
8526cb11 | 7300 | put_device(dev); |
1e9e2be3 AC |
7301 | goto exit_ddb_add; |
7302 | } | |
1dc8ed5d | 7303 | |
99937574 AC |
7304 | /* Index 0 and 1 are reserved for boot target entries */ |
7305 | for (idx = 2; idx < max_ddbs; idx++) { | |
1e9e2be3 AC |
7306 | if (qla4xxx_flashdb_by_index(ha, fw_ddb_entry, |
7307 | fw_ddb_entry_dma, idx)) | |
7308 | break; | |
7309 | } | |
1dc8ed5d | 7310 | |
1e9e2be3 AC |
7311 | if (idx == max_ddbs) |
7312 | goto exit_ddb_add; | |
1dc8ed5d | 7313 | |
1e9e2be3 AC |
7314 | if (!strncasecmp("ipv6", buf, 4)) |
7315 | options |= IPV6_DEFAULT_DDB_ENTRY; | |
1dc8ed5d | 7316 | |
1e9e2be3 AC |
7317 | rval = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma); |
7318 | if (rval == QLA_ERROR) | |
7319 | goto exit_ddb_add; | |
1dc8ed5d | 7320 | |
1e9e2be3 | 7321 | rval = qla4xxx_sysfs_ddb_tgt_create(ha, fw_ddb_entry, &idx, 1); |
1dc8ed5d | 7322 | |
1e9e2be3 | 7323 | exit_ddb_add: |
1dc8ed5d MR |
7324 | if (fw_ddb_entry) |
7325 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
7326 | fw_ddb_entry, fw_ddb_entry_dma); | |
1e9e2be3 AC |
7327 | if (rval == QLA_SUCCESS) |
7328 | return idx; | |
7329 | else | |
7330 | return -EIO; | |
1dc8ed5d MR |
7331 | } |
7332 | ||
afaf5a2d | 7333 | /** |
1e9e2be3 AC |
7334 | * qla4xxx_sysfs_ddb_apply - write the target ddb contents to Flash |
7335 | * @fnode_sess: pointer to session attrs of flash ddb entry | |
7336 | * @fnode_conn: pointer to connection attrs of flash ddb entry | |
afaf5a2d | 7337 | * |
1e9e2be3 AC |
7338 | * This writes the contents of target ddb buffer to Flash with a valid cookie |
7339 | * value in order to make the ddb entry persistent. | |
afaf5a2d | 7340 | **/ |
1e9e2be3 AC |
7341 | static int qla4xxx_sysfs_ddb_apply(struct iscsi_bus_flash_session *fnode_sess, |
7342 | struct iscsi_bus_flash_conn *fnode_conn) | |
afaf5a2d | 7343 | { |
1e9e2be3 AC |
7344 | struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); |
7345 | struct scsi_qla_host *ha = to_qla_host(shost); | |
7346 | uint32_t dev_db_start_offset = FLASH_OFFSET_DB_INFO; | |
7347 | struct dev_db_entry *fw_ddb_entry = NULL; | |
7348 | dma_addr_t fw_ddb_entry_dma; | |
7349 | uint32_t options = 0; | |
7350 | int rval = 0; | |
afaf5a2d | 7351 | |
1e9e2be3 AC |
7352 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
7353 | &fw_ddb_entry_dma, GFP_KERNEL); | |
7354 | if (!fw_ddb_entry) { | |
7355 | DEBUG2(ql4_printk(KERN_ERR, ha, | |
7356 | "%s: Unable to allocate dma buffer\n", | |
7357 | __func__)); | |
7358 | rval = -ENOMEM; | |
7359 | goto exit_ddb_apply; | |
7360 | } | |
afaf5a2d | 7361 | |
c962c18b | 7362 | if (!strncasecmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
1e9e2be3 AC |
7363 | options |= IPV6_DEFAULT_DDB_ENTRY; |
7364 | ||
7365 | rval = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma); | |
7366 | if (rval == QLA_ERROR) | |
7367 | goto exit_ddb_apply; | |
7368 | ||
7369 | dev_db_start_offset += (fnode_sess->target_id * | |
7370 | sizeof(*fw_ddb_entry)); | |
7371 | ||
7372 | qla4xxx_copy_to_fwddb_param(fnode_sess, fnode_conn, fw_ddb_entry); | |
7373 | fw_ddb_entry->cookie = DDB_VALID_COOKIE; | |
7374 | ||
7375 | rval = qla4xxx_set_flash(ha, fw_ddb_entry_dma, dev_db_start_offset, | |
7376 | sizeof(*fw_ddb_entry), FLASH_OPT_RMW_COMMIT); | |
7377 | ||
7378 | if (rval == QLA_SUCCESS) { | |
7379 | fnode_sess->flash_state = DEV_DB_PERSISTENT; | |
7380 | ql4_printk(KERN_INFO, ha, | |
7381 | "%s: flash node %u of host %lu written to flash\n", | |
7382 | __func__, fnode_sess->target_id, ha->host_no); | |
7383 | } else { | |
7384 | rval = -EIO; | |
7385 | ql4_printk(KERN_ERR, ha, | |
7386 | "%s: Error while writing flash node %u of host %lu to flash\n", | |
7387 | __func__, fnode_sess->target_id, ha->host_no); | |
7388 | } | |
7389 | ||
7390 | exit_ddb_apply: | |
7391 | if (fw_ddb_entry) | |
7392 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
7393 | fw_ddb_entry, fw_ddb_entry_dma); | |
7394 | return rval; | |
7395 | } | |
7396 | ||
7397 | static ssize_t qla4xxx_sysfs_ddb_conn_open(struct scsi_qla_host *ha, | |
7398 | struct dev_db_entry *fw_ddb_entry, | |
7399 | uint16_t idx) | |
7400 | { | |
7401 | struct dev_db_entry *ddb_entry = NULL; | |
7402 | dma_addr_t ddb_entry_dma; | |
7403 | unsigned long wtime; | |
7404 | uint32_t mbx_sts = 0; | |
7405 | uint32_t state = 0, conn_err = 0; | |
7406 | uint16_t tmo = 0; | |
7407 | int ret = 0; | |
7408 | ||
7409 | ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*ddb_entry), | |
7410 | &ddb_entry_dma, GFP_KERNEL); | |
7411 | if (!ddb_entry) { | |
7412 | DEBUG2(ql4_printk(KERN_ERR, ha, | |
7413 | "%s: Unable to allocate dma buffer\n", | |
7414 | __func__)); | |
7415 | return QLA_ERROR; | |
7416 | } | |
7417 | ||
7418 | memcpy(ddb_entry, fw_ddb_entry, sizeof(*ddb_entry)); | |
7419 | ||
7420 | ret = qla4xxx_set_ddb_entry(ha, idx, ddb_entry_dma, &mbx_sts); | |
7421 | if (ret != QLA_SUCCESS) { | |
7422 | DEBUG2(ql4_printk(KERN_ERR, ha, | |
7423 | "%s: Unable to set ddb entry for index %d\n", | |
7424 | __func__, idx)); | |
7425 | goto exit_ddb_conn_open; | |
7426 | } | |
7427 | ||
7428 | qla4xxx_conn_open(ha, idx); | |
7429 | ||
7430 | /* To ensure that sendtargets is done, wait for at least 12 secs */ | |
7431 | tmo = ((ha->def_timeout > LOGIN_TOV) && | |
7432 | (ha->def_timeout < LOGIN_TOV * 10) ? | |
7433 | ha->def_timeout : LOGIN_TOV); | |
7434 | ||
7435 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
7436 | "Default time to wait for login to ddb %d\n", tmo)); | |
7437 | ||
7438 | wtime = jiffies + (HZ * tmo); | |
7439 | do { | |
7440 | ret = qla4xxx_get_fwddb_entry(ha, idx, NULL, 0, NULL, | |
7441 | NULL, &state, &conn_err, NULL, | |
7442 | NULL); | |
7443 | if (ret == QLA_ERROR) | |
7444 | continue; | |
7445 | ||
7446 | if (state == DDB_DS_NO_CONNECTION_ACTIVE || | |
7447 | state == DDB_DS_SESSION_FAILED) | |
7448 | break; | |
7449 | ||
7450 | schedule_timeout_uninterruptible(HZ / 10); | |
7451 | } while (time_after(wtime, jiffies)); | |
7452 | ||
7453 | exit_ddb_conn_open: | |
7454 | if (ddb_entry) | |
7455 | dma_free_coherent(&ha->pdev->dev, sizeof(*ddb_entry), | |
7456 | ddb_entry, ddb_entry_dma); | |
7457 | return ret; | |
7458 | } | |
7459 | ||
7460 | static int qla4xxx_ddb_login_st(struct scsi_qla_host *ha, | |
ad8bd45e MR |
7461 | struct dev_db_entry *fw_ddb_entry, |
7462 | uint16_t target_id) | |
1e9e2be3 AC |
7463 | { |
7464 | struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; | |
7465 | struct list_head list_nt; | |
7466 | uint16_t ddb_index; | |
7467 | int ret = 0; | |
7468 | ||
7469 | if (test_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags)) { | |
7470 | ql4_printk(KERN_WARNING, ha, | |
7471 | "%s: A discovery already in progress!\n", __func__); | |
7472 | return QLA_ERROR; | |
7473 | } | |
7474 | ||
7475 | INIT_LIST_HEAD(&list_nt); | |
7476 | ||
7477 | set_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags); | |
7478 | ||
7479 | ret = qla4xxx_get_ddb_index(ha, &ddb_index); | |
7480 | if (ret == QLA_ERROR) | |
7481 | goto exit_login_st_clr_bit; | |
7482 | ||
7483 | ret = qla4xxx_sysfs_ddb_conn_open(ha, fw_ddb_entry, ddb_index); | |
7484 | if (ret == QLA_ERROR) | |
7485 | goto exit_login_st; | |
7486 | ||
ad8bd45e | 7487 | qla4xxx_build_new_nt_list(ha, &list_nt, target_id); |
1e9e2be3 AC |
7488 | |
7489 | list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, &list_nt, list) { | |
7490 | list_del_init(&ddb_idx->list); | |
7491 | qla4xxx_clear_ddb_entry(ha, ddb_idx->fw_ddb_idx); | |
7492 | vfree(ddb_idx); | |
7493 | } | |
7494 | ||
7495 | exit_login_st: | |
7496 | if (qla4xxx_clear_ddb_entry(ha, ddb_index) == QLA_ERROR) { | |
7497 | ql4_printk(KERN_ERR, ha, | |
7498 | "Unable to clear DDB index = 0x%x\n", ddb_index); | |
7499 | } | |
7500 | ||
7501 | clear_bit(ddb_index, ha->ddb_idx_map); | |
7502 | ||
7503 | exit_login_st_clr_bit: | |
7504 | clear_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags); | |
7505 | return ret; | |
7506 | } | |
7507 | ||
7508 | static int qla4xxx_ddb_login_nt(struct scsi_qla_host *ha, | |
7509 | struct dev_db_entry *fw_ddb_entry, | |
7510 | uint16_t idx) | |
7511 | { | |
7512 | int ret = QLA_ERROR; | |
7513 | ||
ad8bd45e | 7514 | ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, NULL); |
1e9e2be3 AC |
7515 | if (ret != QLA_SUCCESS) |
7516 | ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, RESET_ADAPTER, | |
7517 | idx); | |
7518 | else | |
7519 | ret = -EPERM; | |
7520 | ||
7521 | return ret; | |
7522 | } | |
7523 | ||
7524 | /** | |
7525 | * qla4xxx_sysfs_ddb_login - Login to the specified target | |
7526 | * @fnode_sess: pointer to session attrs of flash ddb entry | |
7527 | * @fnode_conn: pointer to connection attrs of flash ddb entry | |
7528 | * | |
7529 | * This logs in to the specified target | |
7530 | **/ | |
7531 | static int qla4xxx_sysfs_ddb_login(struct iscsi_bus_flash_session *fnode_sess, | |
7532 | struct iscsi_bus_flash_conn *fnode_conn) | |
7533 | { | |
7534 | struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); | |
7535 | struct scsi_qla_host *ha = to_qla_host(shost); | |
7536 | struct dev_db_entry *fw_ddb_entry = NULL; | |
7537 | dma_addr_t fw_ddb_entry_dma; | |
7538 | uint32_t options = 0; | |
7539 | int ret = 0; | |
7540 | ||
7541 | if (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT) { | |
7542 | ql4_printk(KERN_ERR, ha, | |
7543 | "%s: Target info is not persistent\n", __func__); | |
7544 | ret = -EIO; | |
7545 | goto exit_ddb_login; | |
7546 | } | |
7547 | ||
7548 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
7549 | &fw_ddb_entry_dma, GFP_KERNEL); | |
7550 | if (!fw_ddb_entry) { | |
7551 | DEBUG2(ql4_printk(KERN_ERR, ha, | |
7552 | "%s: Unable to allocate dma buffer\n", | |
7553 | __func__)); | |
7554 | ret = -ENOMEM; | |
7555 | goto exit_ddb_login; | |
7556 | } | |
7557 | ||
c962c18b | 7558 | if (!strncasecmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
1e9e2be3 AC |
7559 | options |= IPV6_DEFAULT_DDB_ENTRY; |
7560 | ||
7561 | ret = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma); | |
7562 | if (ret == QLA_ERROR) | |
7563 | goto exit_ddb_login; | |
7564 | ||
7565 | qla4xxx_copy_to_fwddb_param(fnode_sess, fnode_conn, fw_ddb_entry); | |
7566 | fw_ddb_entry->cookie = DDB_VALID_COOKIE; | |
7567 | ||
7568 | if (strlen((char *)fw_ddb_entry->iscsi_name) == 0) | |
ad8bd45e MR |
7569 | ret = qla4xxx_ddb_login_st(ha, fw_ddb_entry, |
7570 | fnode_sess->target_id); | |
1e9e2be3 AC |
7571 | else |
7572 | ret = qla4xxx_ddb_login_nt(ha, fw_ddb_entry, | |
7573 | fnode_sess->target_id); | |
7574 | ||
7575 | if (ret > 0) | |
7576 | ret = -EIO; | |
7577 | ||
7578 | exit_ddb_login: | |
7579 | if (fw_ddb_entry) | |
7580 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
7581 | fw_ddb_entry, fw_ddb_entry_dma); | |
7582 | return ret; | |
7583 | } | |
7584 | ||
7585 | /** | |
7586 | * qla4xxx_sysfs_ddb_logout_sid - Logout session for the specified target | |
7587 | * @cls_sess: pointer to session to be logged out | |
7588 | * | |
7589 | * This performs session log out from the specified target | |
7590 | **/ | |
7591 | static int qla4xxx_sysfs_ddb_logout_sid(struct iscsi_cls_session *cls_sess) | |
7592 | { | |
7593 | struct iscsi_session *sess; | |
7594 | struct ddb_entry *ddb_entry = NULL; | |
7595 | struct scsi_qla_host *ha; | |
7596 | struct dev_db_entry *fw_ddb_entry = NULL; | |
7597 | dma_addr_t fw_ddb_entry_dma; | |
7598 | unsigned long flags; | |
7599 | unsigned long wtime; | |
7600 | uint32_t ddb_state; | |
7601 | int options; | |
7602 | int ret = 0; | |
7603 | ||
7604 | sess = cls_sess->dd_data; | |
7605 | ddb_entry = sess->dd_data; | |
7606 | ha = ddb_entry->ha; | |
7607 | ||
7608 | if (ddb_entry->ddb_type != FLASH_DDB) { | |
7609 | ql4_printk(KERN_ERR, ha, "%s: Not a flash node session\n", | |
7610 | __func__); | |
7611 | ret = -ENXIO; | |
7612 | goto exit_ddb_logout; | |
7613 | } | |
7614 | ||
37719c2a AC |
7615 | if (test_bit(DF_BOOT_TGT, &ddb_entry->flags)) { |
7616 | ql4_printk(KERN_ERR, ha, | |
7617 | "%s: Logout from boot target entry is not permitted.\n", | |
7618 | __func__); | |
7619 | ret = -EPERM; | |
7620 | goto exit_ddb_logout; | |
7621 | } | |
7622 | ||
1e9e2be3 AC |
7623 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
7624 | &fw_ddb_entry_dma, GFP_KERNEL); | |
7625 | if (!fw_ddb_entry) { | |
7626 | ql4_printk(KERN_ERR, ha, | |
7627 | "%s: Unable to allocate dma buffer\n", __func__); | |
7628 | ret = -ENOMEM; | |
7629 | goto exit_ddb_logout; | |
7630 | } | |
7631 | ||
99c6a33b AC |
7632 | if (test_and_set_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags)) |
7633 | goto ddb_logout_init; | |
7634 | ||
7635 | ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, | |
7636 | fw_ddb_entry, fw_ddb_entry_dma, | |
7637 | NULL, NULL, &ddb_state, NULL, | |
7638 | NULL, NULL); | |
7639 | if (ret == QLA_ERROR) | |
7640 | goto ddb_logout_init; | |
7641 | ||
7642 | if (ddb_state == DDB_DS_SESSION_ACTIVE) | |
7643 | goto ddb_logout_init; | |
7644 | ||
7645 | /* wait until next relogin is triggered using DF_RELOGIN and | |
7646 | * clear DF_RELOGIN to avoid invocation of further relogin | |
7647 | */ | |
7648 | wtime = jiffies + (HZ * RELOGIN_TOV); | |
7649 | do { | |
7650 | if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags)) | |
7651 | goto ddb_logout_init; | |
7652 | ||
7653 | schedule_timeout_uninterruptible(HZ); | |
7654 | } while ((time_after(wtime, jiffies))); | |
7655 | ||
7656 | ddb_logout_init: | |
7657 | atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY); | |
7658 | atomic_set(&ddb_entry->relogin_timer, 0); | |
7659 | ||
7660 | options = LOGOUT_OPTION_CLOSE_SESSION; | |
7661 | qla4xxx_session_logout_ddb(ha, ddb_entry, options); | |
7662 | ||
7663 | memset(fw_ddb_entry, 0, sizeof(*fw_ddb_entry)); | |
1e9e2be3 AC |
7664 | wtime = jiffies + (HZ * LOGOUT_TOV); |
7665 | do { | |
7666 | ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, | |
7667 | fw_ddb_entry, fw_ddb_entry_dma, | |
7668 | NULL, NULL, &ddb_state, NULL, | |
7669 | NULL, NULL); | |
7670 | if (ret == QLA_ERROR) | |
7671 | goto ddb_logout_clr_sess; | |
7672 | ||
7673 | if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) || | |
7674 | (ddb_state == DDB_DS_SESSION_FAILED)) | |
7675 | goto ddb_logout_clr_sess; | |
7676 | ||
7677 | schedule_timeout_uninterruptible(HZ); | |
7678 | } while ((time_after(wtime, jiffies))); | |
7679 | ||
7680 | ddb_logout_clr_sess: | |
7681 | qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); | |
7682 | /* | |
7683 | * we have decremented the reference count of the driver | |
7684 | * when we setup the session to have the driver unload | |
7685 | * to be seamless without actually destroying the | |
7686 | * session | |
7687 | **/ | |
7688 | try_module_get(qla4xxx_iscsi_transport.owner); | |
7689 | iscsi_destroy_endpoint(ddb_entry->conn->ep); | |
7690 | ||
7691 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
7692 | qla4xxx_free_ddb(ha, ddb_entry); | |
99c6a33b | 7693 | clear_bit(ddb_entry->fw_ddb_index, ha->ddb_idx_map); |
1e9e2be3 AC |
7694 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
7695 | ||
7696 | iscsi_session_teardown(ddb_entry->sess); | |
7697 | ||
99c6a33b | 7698 | clear_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags); |
1e9e2be3 AC |
7699 | ret = QLA_SUCCESS; |
7700 | ||
7701 | exit_ddb_logout: | |
7702 | if (fw_ddb_entry) | |
7703 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
7704 | fw_ddb_entry, fw_ddb_entry_dma); | |
7705 | return ret; | |
7706 | } | |
7707 | ||
7708 | /** | |
7709 | * qla4xxx_sysfs_ddb_logout - Logout from the specified target | |
7710 | * @fnode_sess: pointer to session attrs of flash ddb entry | |
7711 | * @fnode_conn: pointer to connection attrs of flash ddb entry | |
7712 | * | |
7713 | * This performs log out from the specified target | |
7714 | **/ | |
7715 | static int qla4xxx_sysfs_ddb_logout(struct iscsi_bus_flash_session *fnode_sess, | |
7716 | struct iscsi_bus_flash_conn *fnode_conn) | |
7717 | { | |
7718 | struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); | |
7719 | struct scsi_qla_host *ha = to_qla_host(shost); | |
7720 | struct ql4_tuple_ddb *flash_tddb = NULL; | |
7721 | struct ql4_tuple_ddb *tmp_tddb = NULL; | |
7722 | struct dev_db_entry *fw_ddb_entry = NULL; | |
7723 | struct ddb_entry *ddb_entry = NULL; | |
7724 | dma_addr_t fw_ddb_dma; | |
7725 | uint32_t next_idx = 0; | |
7726 | uint32_t state = 0, conn_err = 0; | |
7727 | uint16_t conn_id = 0; | |
7728 | int idx, index; | |
7729 | int status, ret = 0; | |
7730 | ||
7731 | fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, | |
7732 | &fw_ddb_dma); | |
7733 | if (fw_ddb_entry == NULL) { | |
7734 | ql4_printk(KERN_ERR, ha, "%s:Out of memory\n", __func__); | |
7735 | ret = -ENOMEM; | |
7736 | goto exit_ddb_logout; | |
7737 | } | |
7738 | ||
7739 | flash_tddb = vzalloc(sizeof(*flash_tddb)); | |
7740 | if (!flash_tddb) { | |
7741 | ql4_printk(KERN_WARNING, ha, | |
7742 | "%s:Memory Allocation failed.\n", __func__); | |
7743 | ret = -ENOMEM; | |
7744 | goto exit_ddb_logout; | |
7745 | } | |
7746 | ||
7747 | tmp_tddb = vzalloc(sizeof(*tmp_tddb)); | |
7748 | if (!tmp_tddb) { | |
7749 | ql4_printk(KERN_WARNING, ha, | |
7750 | "%s:Memory Allocation failed.\n", __func__); | |
7751 | ret = -ENOMEM; | |
7752 | goto exit_ddb_logout; | |
7753 | } | |
7754 | ||
7755 | if (!fnode_sess->targetname) { | |
7756 | ql4_printk(KERN_ERR, ha, | |
7757 | "%s:Cannot logout from SendTarget entry\n", | |
7758 | __func__); | |
7759 | ret = -EPERM; | |
7760 | goto exit_ddb_logout; | |
7761 | } | |
7762 | ||
7763 | if (fnode_sess->is_boot_target) { | |
7764 | ql4_printk(KERN_ERR, ha, | |
7765 | "%s: Logout from boot target entry is not permitted.\n", | |
7766 | __func__); | |
7767 | ret = -EPERM; | |
7768 | goto exit_ddb_logout; | |
7769 | } | |
7770 | ||
bdbb9662 | 7771 | strlcpy(flash_tddb->iscsi_name, fnode_sess->targetname, |
1e9e2be3 AC |
7772 | ISCSI_NAME_SIZE); |
7773 | ||
c962c18b | 7774 | if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
1e9e2be3 AC |
7775 | sprintf(flash_tddb->ip_addr, "%pI6", fnode_conn->ipaddress); |
7776 | else | |
7777 | sprintf(flash_tddb->ip_addr, "%pI4", fnode_conn->ipaddress); | |
7778 | ||
7779 | flash_tddb->tpgt = fnode_sess->tpgt; | |
7780 | flash_tddb->port = fnode_conn->port; | |
7781 | ||
7782 | COPY_ISID(flash_tddb->isid, fnode_sess->isid); | |
7783 | ||
7784 | for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { | |
7785 | ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); | |
7786 | if (ddb_entry == NULL) | |
7787 | continue; | |
7788 | ||
7789 | if (ddb_entry->ddb_type != FLASH_DDB) | |
7790 | continue; | |
7791 | ||
7792 | index = ddb_entry->sess->target_id; | |
7793 | status = qla4xxx_get_fwddb_entry(ha, index, fw_ddb_entry, | |
7794 | fw_ddb_dma, NULL, &next_idx, | |
7795 | &state, &conn_err, NULL, | |
7796 | &conn_id); | |
7797 | if (status == QLA_ERROR) { | |
7798 | ret = -ENOMEM; | |
7799 | break; | |
7800 | } | |
7801 | ||
7802 | qla4xxx_convert_param_ddb(fw_ddb_entry, tmp_tddb, NULL); | |
7803 | ||
7804 | status = qla4xxx_compare_tuple_ddb(ha, flash_tddb, tmp_tddb, | |
7805 | true); | |
7806 | if (status == QLA_SUCCESS) { | |
7807 | ret = qla4xxx_sysfs_ddb_logout_sid(ddb_entry->sess); | |
7808 | break; | |
7809 | } | |
7810 | } | |
7811 | ||
7812 | if (idx == MAX_DDB_ENTRIES) | |
7813 | ret = -ESRCH; | |
7814 | ||
7815 | exit_ddb_logout: | |
7816 | if (flash_tddb) | |
7817 | vfree(flash_tddb); | |
7818 | if (tmp_tddb) | |
7819 | vfree(tmp_tddb); | |
7820 | if (fw_ddb_entry) | |
7821 | dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); | |
7822 | ||
7823 | return ret; | |
7824 | } | |
7825 | ||
7826 | static int | |
7827 | qla4xxx_sysfs_ddb_get_param(struct iscsi_bus_flash_session *fnode_sess, | |
7828 | int param, char *buf) | |
7829 | { | |
7830 | struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); | |
7831 | struct scsi_qla_host *ha = to_qla_host(shost); | |
7832 | struct iscsi_bus_flash_conn *fnode_conn; | |
7833 | struct ql4_chap_table chap_tbl; | |
7834 | struct device *dev; | |
a2f76636 | 7835 | int parent_type; |
1e9e2be3 AC |
7836 | int rc = 0; |
7837 | ||
8526cb11 | 7838 | dev = iscsi_find_flashnode_conn(fnode_sess); |
1e9e2be3 AC |
7839 | if (!dev) |
7840 | return -EIO; | |
7841 | ||
7842 | fnode_conn = iscsi_dev_to_flash_conn(dev); | |
7843 | ||
7844 | switch (param) { | |
7845 | case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6: | |
7846 | rc = sprintf(buf, "%u\n", fnode_conn->is_fw_assigned_ipv6); | |
7847 | break; | |
7848 | case ISCSI_FLASHNODE_PORTAL_TYPE: | |
7849 | rc = sprintf(buf, "%s\n", fnode_sess->portal_type); | |
7850 | break; | |
7851 | case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE: | |
7852 | rc = sprintf(buf, "%u\n", fnode_sess->auto_snd_tgt_disable); | |
7853 | break; | |
7854 | case ISCSI_FLASHNODE_DISCOVERY_SESS: | |
7855 | rc = sprintf(buf, "%u\n", fnode_sess->discovery_sess); | |
7856 | break; | |
7857 | case ISCSI_FLASHNODE_ENTRY_EN: | |
7858 | rc = sprintf(buf, "%u\n", fnode_sess->entry_state); | |
7859 | break; | |
7860 | case ISCSI_FLASHNODE_HDR_DGST_EN: | |
7861 | rc = sprintf(buf, "%u\n", fnode_conn->hdrdgst_en); | |
7862 | break; | |
7863 | case ISCSI_FLASHNODE_DATA_DGST_EN: | |
7864 | rc = sprintf(buf, "%u\n", fnode_conn->datadgst_en); | |
7865 | break; | |
7866 | case ISCSI_FLASHNODE_IMM_DATA_EN: | |
7867 | rc = sprintf(buf, "%u\n", fnode_sess->imm_data_en); | |
7868 | break; | |
7869 | case ISCSI_FLASHNODE_INITIAL_R2T_EN: | |
7870 | rc = sprintf(buf, "%u\n", fnode_sess->initial_r2t_en); | |
7871 | break; | |
7872 | case ISCSI_FLASHNODE_DATASEQ_INORDER: | |
7873 | rc = sprintf(buf, "%u\n", fnode_sess->dataseq_inorder_en); | |
7874 | break; | |
7875 | case ISCSI_FLASHNODE_PDU_INORDER: | |
7876 | rc = sprintf(buf, "%u\n", fnode_sess->pdu_inorder_en); | |
7877 | break; | |
7878 | case ISCSI_FLASHNODE_CHAP_AUTH_EN: | |
7879 | rc = sprintf(buf, "%u\n", fnode_sess->chap_auth_en); | |
7880 | break; | |
7881 | case ISCSI_FLASHNODE_SNACK_REQ_EN: | |
7882 | rc = sprintf(buf, "%u\n", fnode_conn->snack_req_en); | |
7883 | break; | |
7884 | case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN: | |
7885 | rc = sprintf(buf, "%u\n", fnode_sess->discovery_logout_en); | |
7886 | break; | |
7887 | case ISCSI_FLASHNODE_BIDI_CHAP_EN: | |
7888 | rc = sprintf(buf, "%u\n", fnode_sess->bidi_chap_en); | |
7889 | break; | |
7890 | case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL: | |
7891 | rc = sprintf(buf, "%u\n", fnode_sess->discovery_auth_optional); | |
7892 | break; | |
7893 | case ISCSI_FLASHNODE_ERL: | |
7894 | rc = sprintf(buf, "%u\n", fnode_sess->erl); | |
7895 | break; | |
7896 | case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT: | |
7897 | rc = sprintf(buf, "%u\n", fnode_conn->tcp_timestamp_stat); | |
7898 | break; | |
7899 | case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE: | |
7900 | rc = sprintf(buf, "%u\n", fnode_conn->tcp_nagle_disable); | |
7901 | break; | |
7902 | case ISCSI_FLASHNODE_TCP_WSF_DISABLE: | |
7903 | rc = sprintf(buf, "%u\n", fnode_conn->tcp_wsf_disable); | |
7904 | break; | |
7905 | case ISCSI_FLASHNODE_TCP_TIMER_SCALE: | |
7906 | rc = sprintf(buf, "%u\n", fnode_conn->tcp_timer_scale); | |
7907 | break; | |
7908 | case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN: | |
7909 | rc = sprintf(buf, "%u\n", fnode_conn->tcp_timestamp_en); | |
7910 | break; | |
7911 | case ISCSI_FLASHNODE_IP_FRAG_DISABLE: | |
7912 | rc = sprintf(buf, "%u\n", fnode_conn->fragment_disable); | |
7913 | break; | |
7914 | case ISCSI_FLASHNODE_MAX_RECV_DLENGTH: | |
7915 | rc = sprintf(buf, "%u\n", fnode_conn->max_recv_dlength); | |
7916 | break; | |
7917 | case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH: | |
7918 | rc = sprintf(buf, "%u\n", fnode_conn->max_xmit_dlength); | |
7919 | break; | |
7920 | case ISCSI_FLASHNODE_FIRST_BURST: | |
7921 | rc = sprintf(buf, "%u\n", fnode_sess->first_burst); | |
7922 | break; | |
7923 | case ISCSI_FLASHNODE_DEF_TIME2WAIT: | |
7924 | rc = sprintf(buf, "%u\n", fnode_sess->time2wait); | |
7925 | break; | |
7926 | case ISCSI_FLASHNODE_DEF_TIME2RETAIN: | |
7927 | rc = sprintf(buf, "%u\n", fnode_sess->time2retain); | |
7928 | break; | |
7929 | case ISCSI_FLASHNODE_MAX_R2T: | |
7930 | rc = sprintf(buf, "%u\n", fnode_sess->max_r2t); | |
7931 | break; | |
7932 | case ISCSI_FLASHNODE_KEEPALIVE_TMO: | |
7933 | rc = sprintf(buf, "%u\n", fnode_conn->keepalive_timeout); | |
7934 | break; | |
7935 | case ISCSI_FLASHNODE_ISID: | |
d1d81bd0 | 7936 | rc = sprintf(buf, "%pm\n", fnode_sess->isid); |
1e9e2be3 AC |
7937 | break; |
7938 | case ISCSI_FLASHNODE_TSID: | |
7939 | rc = sprintf(buf, "%u\n", fnode_sess->tsid); | |
7940 | break; | |
7941 | case ISCSI_FLASHNODE_PORT: | |
7942 | rc = sprintf(buf, "%d\n", fnode_conn->port); | |
7943 | break; | |
7944 | case ISCSI_FLASHNODE_MAX_BURST: | |
7945 | rc = sprintf(buf, "%u\n", fnode_sess->max_burst); | |
7946 | break; | |
7947 | case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO: | |
7948 | rc = sprintf(buf, "%u\n", | |
7949 | fnode_sess->default_taskmgmt_timeout); | |
7950 | break; | |
7951 | case ISCSI_FLASHNODE_IPADDR: | |
c962c18b | 7952 | if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
1e9e2be3 AC |
7953 | rc = sprintf(buf, "%pI6\n", fnode_conn->ipaddress); |
7954 | else | |
7955 | rc = sprintf(buf, "%pI4\n", fnode_conn->ipaddress); | |
7956 | break; | |
7957 | case ISCSI_FLASHNODE_ALIAS: | |
7958 | if (fnode_sess->targetalias) | |
7959 | rc = sprintf(buf, "%s\n", fnode_sess->targetalias); | |
7960 | else | |
7961 | rc = sprintf(buf, "\n"); | |
7962 | break; | |
7963 | case ISCSI_FLASHNODE_REDIRECT_IPADDR: | |
c962c18b | 7964 | if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
1e9e2be3 AC |
7965 | rc = sprintf(buf, "%pI6\n", |
7966 | fnode_conn->redirect_ipaddr); | |
7967 | else | |
7968 | rc = sprintf(buf, "%pI4\n", | |
7969 | fnode_conn->redirect_ipaddr); | |
7970 | break; | |
7971 | case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE: | |
7972 | rc = sprintf(buf, "%u\n", fnode_conn->max_segment_size); | |
7973 | break; | |
7974 | case ISCSI_FLASHNODE_LOCAL_PORT: | |
7975 | rc = sprintf(buf, "%u\n", fnode_conn->local_port); | |
7976 | break; | |
7977 | case ISCSI_FLASHNODE_IPV4_TOS: | |
7978 | rc = sprintf(buf, "%u\n", fnode_conn->ipv4_tos); | |
7979 | break; | |
7980 | case ISCSI_FLASHNODE_IPV6_TC: | |
c962c18b | 7981 | if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
1e9e2be3 AC |
7982 | rc = sprintf(buf, "%u\n", |
7983 | fnode_conn->ipv6_traffic_class); | |
7984 | else | |
7985 | rc = sprintf(buf, "\n"); | |
7986 | break; | |
7987 | case ISCSI_FLASHNODE_IPV6_FLOW_LABEL: | |
7988 | rc = sprintf(buf, "%u\n", fnode_conn->ipv6_flow_label); | |
7989 | break; | |
7990 | case ISCSI_FLASHNODE_LINK_LOCAL_IPV6: | |
c962c18b | 7991 | if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
1e9e2be3 AC |
7992 | rc = sprintf(buf, "%pI6\n", |
7993 | fnode_conn->link_local_ipv6_addr); | |
7994 | else | |
7995 | rc = sprintf(buf, "\n"); | |
7996 | break; | |
7997 | case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX: | |
a2f76636 | 7998 | rc = sprintf(buf, "%u\n", fnode_sess->discovery_parent_idx); |
1e9e2be3 AC |
7999 | break; |
8000 | case ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE: | |
8001 | if (fnode_sess->discovery_parent_type == DDB_ISNS) | |
8002 | parent_type = ISCSI_DISC_PARENT_ISNS; | |
8003 | else if (fnode_sess->discovery_parent_type == DDB_NO_LINK) | |
8004 | parent_type = ISCSI_DISC_PARENT_UNKNOWN; | |
b6130cea | 8005 | else if (fnode_sess->discovery_parent_type < MAX_DDB_ENTRIES) |
1e9e2be3 AC |
8006 | parent_type = ISCSI_DISC_PARENT_SENDTGT; |
8007 | else | |
8008 | parent_type = ISCSI_DISC_PARENT_UNKNOWN; | |
8009 | ||
8010 | rc = sprintf(buf, "%s\n", | |
8011 | iscsi_get_discovery_parent_name(parent_type)); | |
8012 | break; | |
8013 | case ISCSI_FLASHNODE_NAME: | |
8014 | if (fnode_sess->targetname) | |
8015 | rc = sprintf(buf, "%s\n", fnode_sess->targetname); | |
8016 | else | |
8017 | rc = sprintf(buf, "\n"); | |
8018 | break; | |
8019 | case ISCSI_FLASHNODE_TPGT: | |
8020 | rc = sprintf(buf, "%u\n", fnode_sess->tpgt); | |
8021 | break; | |
8022 | case ISCSI_FLASHNODE_TCP_XMIT_WSF: | |
8023 | rc = sprintf(buf, "%u\n", fnode_conn->tcp_xmit_wsf); | |
8024 | break; | |
8025 | case ISCSI_FLASHNODE_TCP_RECV_WSF: | |
8026 | rc = sprintf(buf, "%u\n", fnode_conn->tcp_recv_wsf); | |
8027 | break; | |
8028 | case ISCSI_FLASHNODE_CHAP_OUT_IDX: | |
8029 | rc = sprintf(buf, "%u\n", fnode_sess->chap_out_idx); | |
8030 | break; | |
8031 | case ISCSI_FLASHNODE_USERNAME: | |
8032 | if (fnode_sess->chap_auth_en) { | |
8033 | qla4xxx_get_uni_chap_at_index(ha, | |
8034 | chap_tbl.name, | |
8035 | chap_tbl.secret, | |
8036 | fnode_sess->chap_out_idx); | |
8037 | rc = sprintf(buf, "%s\n", chap_tbl.name); | |
8038 | } else { | |
8039 | rc = sprintf(buf, "\n"); | |
8040 | } | |
8041 | break; | |
8042 | case ISCSI_FLASHNODE_PASSWORD: | |
8043 | if (fnode_sess->chap_auth_en) { | |
8044 | qla4xxx_get_uni_chap_at_index(ha, | |
8045 | chap_tbl.name, | |
8046 | chap_tbl.secret, | |
8047 | fnode_sess->chap_out_idx); | |
8048 | rc = sprintf(buf, "%s\n", chap_tbl.secret); | |
8049 | } else { | |
8050 | rc = sprintf(buf, "\n"); | |
8051 | } | |
8052 | break; | |
8053 | case ISCSI_FLASHNODE_STATSN: | |
8054 | rc = sprintf(buf, "%u\n", fnode_conn->statsn); | |
8055 | break; | |
8056 | case ISCSI_FLASHNODE_EXP_STATSN: | |
8057 | rc = sprintf(buf, "%u\n", fnode_conn->exp_statsn); | |
8058 | break; | |
8059 | case ISCSI_FLASHNODE_IS_BOOT_TGT: | |
8060 | rc = sprintf(buf, "%u\n", fnode_sess->is_boot_target); | |
8061 | break; | |
8062 | default: | |
8063 | rc = -ENOSYS; | |
8064 | break; | |
8065 | } | |
8526cb11 MC |
8066 | |
8067 | put_device(dev); | |
1e9e2be3 AC |
8068 | return rc; |
8069 | } | |
8070 | ||
8071 | /** | |
8072 | * qla4xxx_sysfs_ddb_set_param - Set parameter for firmware DDB entry | |
8073 | * @fnode_sess: pointer to session attrs of flash ddb entry | |
8074 | * @fnode_conn: pointer to connection attrs of flash ddb entry | |
8075 | * @data: Parameters and their values to update | |
8076 | * @len: len of data | |
8077 | * | |
8078 | * This sets the parameter of flash ddb entry and writes them to flash | |
8079 | **/ | |
8080 | static int | |
8081 | qla4xxx_sysfs_ddb_set_param(struct iscsi_bus_flash_session *fnode_sess, | |
8082 | struct iscsi_bus_flash_conn *fnode_conn, | |
8083 | void *data, int len) | |
8084 | { | |
8085 | struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); | |
8086 | struct scsi_qla_host *ha = to_qla_host(shost); | |
1e9e2be3 | 8087 | struct iscsi_flashnode_param_info *fnode_param; |
244c079b | 8088 | struct ql4_chap_table chap_tbl; |
1e9e2be3 | 8089 | struct nlattr *attr; |
244c079b | 8090 | uint16_t chap_out_idx = INVALID_ENTRY; |
1e9e2be3 AC |
8091 | int rc = QLA_ERROR; |
8092 | uint32_t rem = len; | |
8093 | ||
244c079b | 8094 | memset((void *)&chap_tbl, 0, sizeof(chap_tbl)); |
1e9e2be3 AC |
8095 | nla_for_each_attr(attr, data, len, rem) { |
8096 | fnode_param = nla_data(attr); | |
8097 | ||
8098 | switch (fnode_param->param) { | |
8099 | case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6: | |
8100 | fnode_conn->is_fw_assigned_ipv6 = fnode_param->value[0]; | |
8101 | break; | |
8102 | case ISCSI_FLASHNODE_PORTAL_TYPE: | |
8103 | memcpy(fnode_sess->portal_type, fnode_param->value, | |
8104 | strlen(fnode_sess->portal_type)); | |
8105 | break; | |
8106 | case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE: | |
8107 | fnode_sess->auto_snd_tgt_disable = | |
8108 | fnode_param->value[0]; | |
8109 | break; | |
8110 | case ISCSI_FLASHNODE_DISCOVERY_SESS: | |
8111 | fnode_sess->discovery_sess = fnode_param->value[0]; | |
8112 | break; | |
8113 | case ISCSI_FLASHNODE_ENTRY_EN: | |
8114 | fnode_sess->entry_state = fnode_param->value[0]; | |
8115 | break; | |
8116 | case ISCSI_FLASHNODE_HDR_DGST_EN: | |
8117 | fnode_conn->hdrdgst_en = fnode_param->value[0]; | |
8118 | break; | |
8119 | case ISCSI_FLASHNODE_DATA_DGST_EN: | |
8120 | fnode_conn->datadgst_en = fnode_param->value[0]; | |
8121 | break; | |
8122 | case ISCSI_FLASHNODE_IMM_DATA_EN: | |
8123 | fnode_sess->imm_data_en = fnode_param->value[0]; | |
8124 | break; | |
8125 | case ISCSI_FLASHNODE_INITIAL_R2T_EN: | |
8126 | fnode_sess->initial_r2t_en = fnode_param->value[0]; | |
8127 | break; | |
8128 | case ISCSI_FLASHNODE_DATASEQ_INORDER: | |
8129 | fnode_sess->dataseq_inorder_en = fnode_param->value[0]; | |
8130 | break; | |
8131 | case ISCSI_FLASHNODE_PDU_INORDER: | |
8132 | fnode_sess->pdu_inorder_en = fnode_param->value[0]; | |
8133 | break; | |
8134 | case ISCSI_FLASHNODE_CHAP_AUTH_EN: | |
8135 | fnode_sess->chap_auth_en = fnode_param->value[0]; | |
244c079b AC |
8136 | /* Invalidate chap index if chap auth is disabled */ |
8137 | if (!fnode_sess->chap_auth_en) | |
8138 | fnode_sess->chap_out_idx = INVALID_ENTRY; | |
8139 | ||
1e9e2be3 AC |
8140 | break; |
8141 | case ISCSI_FLASHNODE_SNACK_REQ_EN: | |
8142 | fnode_conn->snack_req_en = fnode_param->value[0]; | |
8143 | break; | |
8144 | case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN: | |
8145 | fnode_sess->discovery_logout_en = fnode_param->value[0]; | |
8146 | break; | |
8147 | case ISCSI_FLASHNODE_BIDI_CHAP_EN: | |
8148 | fnode_sess->bidi_chap_en = fnode_param->value[0]; | |
8149 | break; | |
8150 | case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL: | |
8151 | fnode_sess->discovery_auth_optional = | |
8152 | fnode_param->value[0]; | |
8153 | break; | |
8154 | case ISCSI_FLASHNODE_ERL: | |
8155 | fnode_sess->erl = fnode_param->value[0]; | |
8156 | break; | |
8157 | case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT: | |
8158 | fnode_conn->tcp_timestamp_stat = fnode_param->value[0]; | |
8159 | break; | |
8160 | case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE: | |
8161 | fnode_conn->tcp_nagle_disable = fnode_param->value[0]; | |
8162 | break; | |
8163 | case ISCSI_FLASHNODE_TCP_WSF_DISABLE: | |
8164 | fnode_conn->tcp_wsf_disable = fnode_param->value[0]; | |
8165 | break; | |
8166 | case ISCSI_FLASHNODE_TCP_TIMER_SCALE: | |
8167 | fnode_conn->tcp_timer_scale = fnode_param->value[0]; | |
8168 | break; | |
8169 | case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN: | |
8170 | fnode_conn->tcp_timestamp_en = fnode_param->value[0]; | |
8171 | break; | |
8172 | case ISCSI_FLASHNODE_IP_FRAG_DISABLE: | |
8173 | fnode_conn->fragment_disable = fnode_param->value[0]; | |
8174 | break; | |
8175 | case ISCSI_FLASHNODE_MAX_RECV_DLENGTH: | |
8176 | fnode_conn->max_recv_dlength = | |
8177 | *(unsigned *)fnode_param->value; | |
8178 | break; | |
8179 | case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH: | |
8180 | fnode_conn->max_xmit_dlength = | |
8181 | *(unsigned *)fnode_param->value; | |
8182 | break; | |
8183 | case ISCSI_FLASHNODE_FIRST_BURST: | |
8184 | fnode_sess->first_burst = | |
8185 | *(unsigned *)fnode_param->value; | |
8186 | break; | |
8187 | case ISCSI_FLASHNODE_DEF_TIME2WAIT: | |
8188 | fnode_sess->time2wait = *(uint16_t *)fnode_param->value; | |
8189 | break; | |
8190 | case ISCSI_FLASHNODE_DEF_TIME2RETAIN: | |
8191 | fnode_sess->time2retain = | |
8192 | *(uint16_t *)fnode_param->value; | |
8193 | break; | |
8194 | case ISCSI_FLASHNODE_MAX_R2T: | |
8195 | fnode_sess->max_r2t = | |
8196 | *(uint16_t *)fnode_param->value; | |
8197 | break; | |
8198 | case ISCSI_FLASHNODE_KEEPALIVE_TMO: | |
8199 | fnode_conn->keepalive_timeout = | |
8200 | *(uint16_t *)fnode_param->value; | |
8201 | break; | |
8202 | case ISCSI_FLASHNODE_ISID: | |
8203 | memcpy(fnode_sess->isid, fnode_param->value, | |
8204 | sizeof(fnode_sess->isid)); | |
8205 | break; | |
8206 | case ISCSI_FLASHNODE_TSID: | |
8207 | fnode_sess->tsid = *(uint16_t *)fnode_param->value; | |
8208 | break; | |
8209 | case ISCSI_FLASHNODE_PORT: | |
8210 | fnode_conn->port = *(uint16_t *)fnode_param->value; | |
8211 | break; | |
8212 | case ISCSI_FLASHNODE_MAX_BURST: | |
8213 | fnode_sess->max_burst = *(unsigned *)fnode_param->value; | |
8214 | break; | |
8215 | case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO: | |
8216 | fnode_sess->default_taskmgmt_timeout = | |
8217 | *(uint16_t *)fnode_param->value; | |
8218 | break; | |
8219 | case ISCSI_FLASHNODE_IPADDR: | |
8220 | memcpy(fnode_conn->ipaddress, fnode_param->value, | |
8221 | IPv6_ADDR_LEN); | |
8222 | break; | |
8223 | case ISCSI_FLASHNODE_ALIAS: | |
8224 | rc = iscsi_switch_str_param(&fnode_sess->targetalias, | |
8225 | (char *)fnode_param->value); | |
8226 | break; | |
8227 | case ISCSI_FLASHNODE_REDIRECT_IPADDR: | |
8228 | memcpy(fnode_conn->redirect_ipaddr, fnode_param->value, | |
8229 | IPv6_ADDR_LEN); | |
8230 | break; | |
8231 | case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE: | |
8232 | fnode_conn->max_segment_size = | |
8233 | *(unsigned *)fnode_param->value; | |
8234 | break; | |
8235 | case ISCSI_FLASHNODE_LOCAL_PORT: | |
8236 | fnode_conn->local_port = | |
8237 | *(uint16_t *)fnode_param->value; | |
8238 | break; | |
8239 | case ISCSI_FLASHNODE_IPV4_TOS: | |
8240 | fnode_conn->ipv4_tos = fnode_param->value[0]; | |
8241 | break; | |
8242 | case ISCSI_FLASHNODE_IPV6_TC: | |
8243 | fnode_conn->ipv6_traffic_class = fnode_param->value[0]; | |
8244 | break; | |
8245 | case ISCSI_FLASHNODE_IPV6_FLOW_LABEL: | |
8246 | fnode_conn->ipv6_flow_label = fnode_param->value[0]; | |
8247 | break; | |
8248 | case ISCSI_FLASHNODE_NAME: | |
8249 | rc = iscsi_switch_str_param(&fnode_sess->targetname, | |
8250 | (char *)fnode_param->value); | |
8251 | break; | |
8252 | case ISCSI_FLASHNODE_TPGT: | |
8253 | fnode_sess->tpgt = *(uint16_t *)fnode_param->value; | |
8254 | break; | |
8255 | case ISCSI_FLASHNODE_LINK_LOCAL_IPV6: | |
8256 | memcpy(fnode_conn->link_local_ipv6_addr, | |
8257 | fnode_param->value, IPv6_ADDR_LEN); | |
8258 | break; | |
65560166 AC |
8259 | case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX: |
8260 | fnode_sess->discovery_parent_idx = | |
1e9e2be3 AC |
8261 | *(uint16_t *)fnode_param->value; |
8262 | break; | |
8263 | case ISCSI_FLASHNODE_TCP_XMIT_WSF: | |
8264 | fnode_conn->tcp_xmit_wsf = | |
8265 | *(uint8_t *)fnode_param->value; | |
8266 | break; | |
8267 | case ISCSI_FLASHNODE_TCP_RECV_WSF: | |
8268 | fnode_conn->tcp_recv_wsf = | |
8269 | *(uint8_t *)fnode_param->value; | |
8270 | break; | |
8271 | case ISCSI_FLASHNODE_STATSN: | |
8272 | fnode_conn->statsn = *(uint32_t *)fnode_param->value; | |
8273 | break; | |
8274 | case ISCSI_FLASHNODE_EXP_STATSN: | |
8275 | fnode_conn->exp_statsn = | |
8276 | *(uint32_t *)fnode_param->value; | |
8277 | break; | |
244c079b AC |
8278 | case ISCSI_FLASHNODE_CHAP_OUT_IDX: |
8279 | chap_out_idx = *(uint16_t *)fnode_param->value; | |
8280 | if (!qla4xxx_get_uni_chap_at_index(ha, | |
8281 | chap_tbl.name, | |
8282 | chap_tbl.secret, | |
8283 | chap_out_idx)) { | |
8284 | fnode_sess->chap_out_idx = chap_out_idx; | |
8285 | /* Enable chap auth if chap index is valid */ | |
8286 | fnode_sess->chap_auth_en = QL4_PARAM_ENABLE; | |
8287 | } | |
8288 | break; | |
1e9e2be3 AC |
8289 | default: |
8290 | ql4_printk(KERN_ERR, ha, | |
8291 | "%s: No such sysfs attribute\n", __func__); | |
8292 | rc = -ENOSYS; | |
8293 | goto exit_set_param; | |
8294 | } | |
8295 | } | |
8296 | ||
8297 | rc = qla4xxx_sysfs_ddb_apply(fnode_sess, fnode_conn); | |
8298 | ||
8299 | exit_set_param: | |
8300 | return rc; | |
8301 | } | |
8302 | ||
8303 | /** | |
8304 | * qla4xxx_sysfs_ddb_delete - Delete firmware DDB entry | |
8305 | * @fnode_sess: pointer to session attrs of flash ddb entry | |
8306 | * | |
8307 | * This invalidates the flash ddb entry at the given index | |
8308 | **/ | |
8309 | static int qla4xxx_sysfs_ddb_delete(struct iscsi_bus_flash_session *fnode_sess) | |
8310 | { | |
8311 | struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); | |
8312 | struct scsi_qla_host *ha = to_qla_host(shost); | |
8313 | uint32_t dev_db_start_offset; | |
8314 | uint32_t dev_db_end_offset; | |
8315 | struct dev_db_entry *fw_ddb_entry = NULL; | |
8316 | dma_addr_t fw_ddb_entry_dma; | |
8317 | uint16_t *ddb_cookie = NULL; | |
b6130cea | 8318 | size_t ddb_size = 0; |
039acc1e | 8319 | void *pddb = NULL; |
1e9e2be3 AC |
8320 | int target_id; |
8321 | int rc = 0; | |
8322 | ||
1e9e2be3 AC |
8323 | if (fnode_sess->is_boot_target) { |
8324 | rc = -EPERM; | |
8325 | DEBUG2(ql4_printk(KERN_ERR, ha, | |
8326 | "%s: Deletion of boot target entry is not permitted.\n", | |
8327 | __func__)); | |
8328 | goto exit_ddb_del; | |
8329 | } | |
8330 | ||
8331 | if (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT) | |
8332 | goto sysfs_ddb_del; | |
8333 | ||
1e9e2be3 AC |
8334 | if (is_qla40XX(ha)) { |
8335 | dev_db_start_offset = FLASH_OFFSET_DB_INFO; | |
039acc1e AC |
8336 | dev_db_end_offset = FLASH_OFFSET_DB_END; |
8337 | dev_db_start_offset += (fnode_sess->target_id * | |
8338 | sizeof(*fw_ddb_entry)); | |
8339 | ddb_size = sizeof(*fw_ddb_entry); | |
1e9e2be3 AC |
8340 | } else { |
8341 | dev_db_start_offset = FLASH_RAW_ACCESS_ADDR + | |
8342 | (ha->hw.flt_region_ddb << 2); | |
8343 | /* flt_ddb_size is DDB table size for both ports | |
8344 | * so divide it by 2 to calculate the offset for second port | |
8345 | */ | |
8346 | if (ha->port_num == 1) | |
8347 | dev_db_start_offset += (ha->hw.flt_ddb_size / 2); | |
1e9e2be3 | 8348 | |
039acc1e AC |
8349 | dev_db_end_offset = dev_db_start_offset + |
8350 | (ha->hw.flt_ddb_size / 2); | |
8351 | ||
8352 | dev_db_start_offset += (fnode_sess->target_id * | |
8353 | sizeof(*fw_ddb_entry)); | |
1bcb5619 | 8354 | dev_db_start_offset += offsetof(struct dev_db_entry, cookie); |
039acc1e AC |
8355 | |
8356 | ddb_size = sizeof(*ddb_cookie); | |
8357 | } | |
1e9e2be3 AC |
8358 | |
8359 | DEBUG2(ql4_printk(KERN_ERR, ha, "%s: start offset=%u, end offset=%u\n", | |
8360 | __func__, dev_db_start_offset, dev_db_end_offset)); | |
8361 | ||
8362 | if (dev_db_start_offset > dev_db_end_offset) { | |
8363 | rc = -EIO; | |
8364 | DEBUG2(ql4_printk(KERN_ERR, ha, "%s:Invalid DDB index %u\n", | |
8365 | __func__, fnode_sess->target_id)); | |
8366 | goto exit_ddb_del; | |
8367 | } | |
8368 | ||
039acc1e AC |
8369 | pddb = dma_alloc_coherent(&ha->pdev->dev, ddb_size, |
8370 | &fw_ddb_entry_dma, GFP_KERNEL); | |
8371 | if (!pddb) { | |
8372 | rc = -ENOMEM; | |
8373 | DEBUG2(ql4_printk(KERN_ERR, ha, | |
8374 | "%s: Unable to allocate dma buffer\n", | |
8375 | __func__)); | |
8376 | goto exit_ddb_del; | |
8377 | } | |
8378 | ||
8379 | if (is_qla40XX(ha)) { | |
8380 | fw_ddb_entry = pddb; | |
8381 | memset(fw_ddb_entry, 0, ddb_size); | |
8382 | ddb_cookie = &fw_ddb_entry->cookie; | |
8383 | } else { | |
8384 | ddb_cookie = pddb; | |
8385 | } | |
8386 | ||
1e9e2be3 AC |
8387 | /* invalidate the cookie */ |
8388 | *ddb_cookie = 0xFFEE; | |
8389 | qla4xxx_set_flash(ha, fw_ddb_entry_dma, dev_db_start_offset, | |
039acc1e | 8390 | ddb_size, FLASH_OPT_RMW_COMMIT); |
1e9e2be3 AC |
8391 | |
8392 | sysfs_ddb_del: | |
8393 | target_id = fnode_sess->target_id; | |
8394 | iscsi_destroy_flashnode_sess(fnode_sess); | |
8395 | ql4_printk(KERN_INFO, ha, | |
8396 | "%s: session and conn entries for flashnode %u of host %lu deleted\n", | |
8397 | __func__, target_id, ha->host_no); | |
8398 | exit_ddb_del: | |
039acc1e AC |
8399 | if (pddb) |
8400 | dma_free_coherent(&ha->pdev->dev, ddb_size, pddb, | |
8401 | fw_ddb_entry_dma); | |
1e9e2be3 AC |
8402 | return rc; |
8403 | } | |
8404 | ||
8405 | /** | |
8406 | * qla4xxx_sysfs_ddb_export - Create sysfs entries for firmware DDBs | |
8407 | * @ha: pointer to adapter structure | |
8408 | * | |
8409 | * Export the firmware DDB for all send targets and normal targets to sysfs. | |
8410 | **/ | |
906cbf3d | 8411 | int qla4xxx_sysfs_ddb_export(struct scsi_qla_host *ha) |
1e9e2be3 AC |
8412 | { |
8413 | struct dev_db_entry *fw_ddb_entry = NULL; | |
8414 | dma_addr_t fw_ddb_entry_dma; | |
8415 | uint16_t max_ddbs; | |
8416 | uint16_t idx = 0; | |
8417 | int ret = QLA_SUCCESS; | |
8418 | ||
8419 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, | |
8420 | sizeof(*fw_ddb_entry), | |
8421 | &fw_ddb_entry_dma, GFP_KERNEL); | |
8422 | if (!fw_ddb_entry) { | |
8423 | DEBUG2(ql4_printk(KERN_ERR, ha, | |
8424 | "%s: Unable to allocate dma buffer\n", | |
8425 | __func__)); | |
8426 | return -ENOMEM; | |
8427 | } | |
8428 | ||
a957a7d7 | 8429 | max_ddbs = is_qla40XX(ha) ? MAX_PRST_DEV_DB_ENTRIES : |
1e9e2be3 AC |
8430 | MAX_DEV_DB_ENTRIES; |
8431 | ||
8432 | for (idx = 0; idx < max_ddbs; idx++) { | |
8433 | if (qla4xxx_flashdb_by_index(ha, fw_ddb_entry, fw_ddb_entry_dma, | |
8434 | idx)) | |
8435 | continue; | |
8436 | ||
8437 | ret = qla4xxx_sysfs_ddb_tgt_create(ha, fw_ddb_entry, &idx, 0); | |
8438 | if (ret) { | |
8439 | ret = -EIO; | |
8440 | break; | |
8441 | } | |
8442 | } | |
8443 | ||
8444 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), fw_ddb_entry, | |
8445 | fw_ddb_entry_dma); | |
8446 | ||
8447 | return ret; | |
8448 | } | |
8449 | ||
8450 | static void qla4xxx_sysfs_ddb_remove(struct scsi_qla_host *ha) | |
8451 | { | |
8452 | iscsi_destroy_all_flashnode(ha->host); | |
8453 | } | |
8454 | ||
8455 | /** | |
8456 | * qla4xxx_build_ddb_list - Build ddb list and setup sessions | |
8457 | * @ha: pointer to adapter structure | |
8458 | * @is_reset: Is this init path or reset path | |
8459 | * | |
8460 | * Create a list of sendtargets (st) from firmware DDBs, issue send targets | |
8461 | * using connection open, then create the list of normal targets (nt) | |
8462 | * from firmware DDBs. Based on the list of nt setup session and connection | |
8463 | * objects. | |
8464 | **/ | |
8465 | void qla4xxx_build_ddb_list(struct scsi_qla_host *ha, int is_reset) | |
8466 | { | |
8467 | uint16_t tmo = 0; | |
8468 | struct list_head list_st, list_nt; | |
8469 | struct qla_ddb_index *st_ddb_idx, *st_ddb_idx_tmp; | |
8470 | unsigned long wtime; | |
8471 | ||
8472 | if (!test_bit(AF_LINK_UP, &ha->flags)) { | |
8473 | set_bit(AF_BUILD_DDB_LIST, &ha->flags); | |
8474 | ha->is_reset = is_reset; | |
8475 | return; | |
8476 | } | |
8477 | ||
8478 | INIT_LIST_HEAD(&list_st); | |
8479 | INIT_LIST_HEAD(&list_nt); | |
8480 | ||
8481 | qla4xxx_build_st_list(ha, &list_st); | |
8482 | ||
8483 | /* Before issuing conn open mbox, ensure all IPs states are configured | |
8484 | * Note, conn open fails if IPs are not configured | |
8485 | */ | |
8486 | qla4xxx_wait_for_ip_configuration(ha); | |
8487 | ||
8488 | /* Go thru the STs and fire the sendtargets by issuing conn open mbx */ | |
8489 | list_for_each_entry_safe(st_ddb_idx, st_ddb_idx_tmp, &list_st, list) { | |
8490 | qla4xxx_conn_open(ha, st_ddb_idx->fw_ddb_idx); | |
8491 | } | |
8492 | ||
8493 | /* Wait to ensure all sendtargets are done for min 12 sec wait */ | |
8494 | tmo = ((ha->def_timeout > LOGIN_TOV) && | |
8495 | (ha->def_timeout < LOGIN_TOV * 10) ? | |
8496 | ha->def_timeout : LOGIN_TOV); | |
8497 | ||
8498 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
8499 | "Default time to wait for build ddb %d\n", tmo)); | |
8500 | ||
8501 | wtime = jiffies + (HZ * tmo); | |
8502 | do { | |
8503 | if (list_empty(&list_st)) | |
8504 | break; | |
8505 | ||
8506 | qla4xxx_remove_failed_ddb(ha, &list_st); | |
8507 | schedule_timeout_uninterruptible(HZ / 10); | |
8508 | } while (time_after(wtime, jiffies)); | |
8509 | ||
1e9e2be3 | 8510 | |
ad8bd45e | 8511 | qla4xxx_build_nt_list(ha, &list_nt, &list_st, is_reset); |
1e9e2be3 | 8512 | |
ad8bd45e | 8513 | qla4xxx_free_ddb_list(&list_st); |
1e9e2be3 AC |
8514 | qla4xxx_free_ddb_list(&list_nt); |
8515 | ||
8516 | qla4xxx_free_ddb_index(ha); | |
8517 | } | |
8518 | ||
8519 | /** | |
8520 | * qla4xxx_wait_login_resp_boot_tgt - Wait for iSCSI boot target login | |
8521 | * response. | |
8522 | * @ha: pointer to adapter structure | |
8523 | * | |
8524 | * When the boot entry is normal iSCSI target then DF_BOOT_TGT flag will be | |
8525 | * set in DDB and we will wait for login response of boot targets during | |
8526 | * probe. | |
8527 | **/ | |
8528 | static void qla4xxx_wait_login_resp_boot_tgt(struct scsi_qla_host *ha) | |
8529 | { | |
8530 | struct ddb_entry *ddb_entry; | |
8531 | struct dev_db_entry *fw_ddb_entry = NULL; | |
8532 | dma_addr_t fw_ddb_entry_dma; | |
8533 | unsigned long wtime; | |
8534 | uint32_t ddb_state; | |
8535 | int max_ddbs, idx, ret; | |
8536 | ||
8537 | max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : | |
8538 | MAX_DEV_DB_ENTRIES; | |
8539 | ||
8540 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
8541 | &fw_ddb_entry_dma, GFP_KERNEL); | |
8542 | if (!fw_ddb_entry) { | |
8543 | ql4_printk(KERN_ERR, ha, | |
8544 | "%s: Unable to allocate dma buffer\n", __func__); | |
8545 | goto exit_login_resp; | |
8546 | } | |
8547 | ||
8548 | wtime = jiffies + (HZ * BOOT_LOGIN_RESP_TOV); | |
8549 | ||
8550 | for (idx = 0; idx < max_ddbs; idx++) { | |
8551 | ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); | |
8552 | if (ddb_entry == NULL) | |
8553 | continue; | |
8554 | ||
8555 | if (test_bit(DF_BOOT_TGT, &ddb_entry->flags)) { | |
8556 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
8557 | "%s: DDB index [%d]\n", __func__, | |
8558 | ddb_entry->fw_ddb_index)); | |
8559 | do { | |
8560 | ret = qla4xxx_get_fwddb_entry(ha, | |
8561 | ddb_entry->fw_ddb_index, | |
8562 | fw_ddb_entry, fw_ddb_entry_dma, | |
8563 | NULL, NULL, &ddb_state, NULL, | |
8564 | NULL, NULL); | |
8565 | if (ret == QLA_ERROR) | |
8566 | goto exit_login_resp; | |
8567 | ||
8568 | if ((ddb_state == DDB_DS_SESSION_ACTIVE) || | |
8569 | (ddb_state == DDB_DS_SESSION_FAILED)) | |
8570 | break; | |
8571 | ||
8572 | schedule_timeout_uninterruptible(HZ); | |
8573 | ||
8574 | } while ((time_after(wtime, jiffies))); | |
8575 | ||
8576 | if (!time_after(wtime, jiffies)) { | |
8577 | DEBUG2(ql4_printk(KERN_INFO, ha, | |
8578 | "%s: Login response wait timer expired\n", | |
8579 | __func__)); | |
8580 | goto exit_login_resp; | |
8581 | } | |
8582 | } | |
8583 | } | |
8584 | ||
8585 | exit_login_resp: | |
8586 | if (fw_ddb_entry) | |
8587 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
8588 | fw_ddb_entry, fw_ddb_entry_dma); | |
8589 | } | |
8590 | ||
8591 | /** | |
8592 | * qla4xxx_probe_adapter - callback function to probe HBA | |
8593 | * @pdev: pointer to pci_dev structure | |
8594 | * @pci_device_id: pointer to pci_device entry | |
8595 | * | |
8596 | * This routine will probe for Qlogic 4xxx iSCSI host adapters. | |
8597 | * It returns zero if successful. It also initializes all data necessary for | |
8598 | * the driver. | |
8599 | **/ | |
8600 | static int qla4xxx_probe_adapter(struct pci_dev *pdev, | |
8601 | const struct pci_device_id *ent) | |
8602 | { | |
8603 | int ret = -ENODEV, status; | |
8604 | struct Scsi_Host *host; | |
8605 | struct scsi_qla_host *ha; | |
8606 | uint8_t init_retry_count = 0; | |
8607 | char buf[34]; | |
8608 | struct qla4_8xxx_legacy_intr_set *nx_legacy_intr; | |
8609 | uint32_t dev_state; | |
8610 | ||
8611 | if (pci_enable_device(pdev)) | |
8612 | return -1; | |
8613 | ||
8614 | host = iscsi_host_alloc(&qla4xxx_driver_template, sizeof(*ha), 0); | |
8615 | if (host == NULL) { | |
afaf5a2d DS |
8616 | printk(KERN_WARNING |
8617 | "qla4xxx: Couldn't allocate host from scsi layer!\n"); | |
8618 | goto probe_disable_device; | |
8619 | } | |
8620 | ||
8621 | /* Clear our data area */ | |
b3a271a9 | 8622 | ha = to_qla_host(host); |
afaf5a2d DS |
8623 | memset(ha, 0, sizeof(*ha)); |
8624 | ||
8625 | /* Save the information from PCI BIOS. */ | |
8626 | ha->pdev = pdev; | |
8627 | ha->host = host; | |
8628 | ha->host_no = host->host_no; | |
6e7b4292 | 8629 | ha->func_num = PCI_FUNC(ha->pdev->devfn); |
afaf5a2d | 8630 | |
2232be0d LC |
8631 | pci_enable_pcie_error_reporting(pdev); |
8632 | ||
f4f5df23 VC |
8633 | /* Setup Runtime configurable options */ |
8634 | if (is_qla8022(ha)) { | |
7664a1fd | 8635 | ha->isp_ops = &qla4_82xx_isp_ops; |
33693c7a | 8636 | ha->reg_tbl = (uint32_t *) qla4_82xx_reg_tbl; |
f4f5df23 VC |
8637 | ha->qdr_sn_window = -1; |
8638 | ha->ddr_mn_window = -1; | |
8639 | ha->curr_window = 255; | |
f4f5df23 VC |
8640 | nx_legacy_intr = &legacy_intr[ha->func_num]; |
8641 | ha->nx_legacy_intr.int_vec_bit = nx_legacy_intr->int_vec_bit; | |
8642 | ha->nx_legacy_intr.tgt_status_reg = | |
8643 | nx_legacy_intr->tgt_status_reg; | |
8644 | ha->nx_legacy_intr.tgt_mask_reg = nx_legacy_intr->tgt_mask_reg; | |
8645 | ha->nx_legacy_intr.pci_int_reg = nx_legacy_intr->pci_int_reg; | |
b37ca418 | 8646 | } else if (is_qla8032(ha) || is_qla8042(ha)) { |
6e7b4292 VC |
8647 | ha->isp_ops = &qla4_83xx_isp_ops; |
8648 | ha->reg_tbl = (uint32_t *)qla4_83xx_reg_tbl; | |
f4f5df23 VC |
8649 | } else { |
8650 | ha->isp_ops = &qla4xxx_isp_ops; | |
8651 | } | |
8652 | ||
6e7b4292 VC |
8653 | if (is_qla80XX(ha)) { |
8654 | rwlock_init(&ha->hw_lock); | |
8655 | ha->pf_bit = ha->func_num << 16; | |
8656 | /* Set EEH reset type to fundamental if required by hba */ | |
2232be0d | 8657 | pdev->needs_freset = 1; |
6e7b4292 | 8658 | } |
2232be0d | 8659 | |
afaf5a2d | 8660 | /* Configure PCI I/O space. */ |
f4f5df23 | 8661 | ret = ha->isp_ops->iospace_config(ha); |
afaf5a2d | 8662 | if (ret) |
f4f5df23 | 8663 | goto probe_failed_ioconfig; |
afaf5a2d | 8664 | |
c2660df3 | 8665 | ql4_printk(KERN_INFO, ha, "Found an ISP%04x, irq %d, iobase 0x%p\n", |
afaf5a2d DS |
8666 | pdev->device, pdev->irq, ha->reg); |
8667 | ||
8668 | qla4xxx_config_dma_addressing(ha); | |
8669 | ||
8670 | /* Initialize lists and spinlocks. */ | |
afaf5a2d DS |
8671 | INIT_LIST_HEAD(&ha->free_srb_q); |
8672 | ||
8673 | mutex_init(&ha->mbox_sem); | |
4549415a | 8674 | mutex_init(&ha->chap_sem); |
f4f5df23 | 8675 | init_completion(&ha->mbx_intr_comp); |
95d31262 | 8676 | init_completion(&ha->disable_acb_comp); |
df86f771 VC |
8677 | init_completion(&ha->idc_comp); |
8678 | init_completion(&ha->link_up_comp); | |
afaf5a2d DS |
8679 | |
8680 | spin_lock_init(&ha->hardware_lock); | |
8e9157c8 | 8681 | spin_lock_init(&ha->work_lock); |
afaf5a2d | 8682 | |
ff884430 VC |
8683 | /* Initialize work list */ |
8684 | INIT_LIST_HEAD(&ha->work_list); | |
8685 | ||
afaf5a2d DS |
8686 | /* Allocate dma buffers */ |
8687 | if (qla4xxx_mem_alloc(ha)) { | |
c2660df3 VC |
8688 | ql4_printk(KERN_WARNING, ha, |
8689 | "[ERROR] Failed to allocate memory for adapter\n"); | |
afaf5a2d DS |
8690 | |
8691 | ret = -ENOMEM; | |
8692 | goto probe_failed; | |
8693 | } | |
8694 | ||
b3a271a9 MR |
8695 | host->cmd_per_lun = 3; |
8696 | host->max_channel = 0; | |
8697 | host->max_lun = MAX_LUNS - 1; | |
8698 | host->max_id = MAX_TARGETS; | |
8699 | host->max_cmd_len = IOCB_MAX_CDB_LEN; | |
8700 | host->can_queue = MAX_SRBS ; | |
8701 | host->transportt = qla4xxx_scsi_transport; | |
8702 | ||
b3a271a9 MR |
8703 | pci_set_drvdata(pdev, ha); |
8704 | ||
8705 | ret = scsi_add_host(host, &pdev->dev); | |
8706 | if (ret) | |
8707 | goto probe_failed; | |
8708 | ||
6e7b4292 VC |
8709 | if (is_qla80XX(ha)) |
8710 | qla4_8xxx_get_flash_info(ha); | |
8711 | ||
b37ca418 | 8712 | if (is_qla8032(ha) || is_qla8042(ha)) { |
6e7b4292 VC |
8713 | qla4_83xx_read_reset_template(ha); |
8714 | /* | |
8715 | * NOTE: If ql4dontresethba==1, set IDC_CTRL DONTRESET_BIT0. | |
8716 | * If DONRESET_BIT0 is set, drivers should not set dev_state | |
8717 | * to NEED_RESET. But if NEED_RESET is set, drivers should | |
8718 | * should honor the reset. | |
8719 | */ | |
8720 | if (ql4xdontresethba == 1) | |
8721 | qla4_83xx_set_idc_dontreset(ha); | |
8722 | } | |
f4f5df23 | 8723 | |
afaf5a2d DS |
8724 | /* |
8725 | * Initialize the Host adapter request/response queues and | |
8726 | * firmware | |
8727 | * NOTE: interrupts enabled upon successful completion | |
8728 | */ | |
13483730 | 8729 | status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER); |
7977f825 PV |
8730 | |
8731 | /* Dont retry adapter initialization if IRQ allocation failed */ | |
37418cc6 | 8732 | if (is_qla80XX(ha) && (status == QLA_ERROR)) |
7977f825 PV |
8733 | goto skip_retry_init; |
8734 | ||
f4f5df23 VC |
8735 | while ((!test_bit(AF_ONLINE, &ha->flags)) && |
8736 | init_retry_count++ < MAX_INIT_RETRIES) { | |
f9880e76 | 8737 | |
6e7b4292 | 8738 | if (is_qla80XX(ha)) { |
33693c7a VC |
8739 | ha->isp_ops->idc_lock(ha); |
8740 | dev_state = qla4_8xxx_rd_direct(ha, | |
e951aca1 | 8741 | QLA8XXX_CRB_DEV_STATE); |
33693c7a | 8742 | ha->isp_ops->idc_unlock(ha); |
de8c72da | 8743 | if (dev_state == QLA8XXX_DEV_FAILED) { |
f9880e76 PM |
8744 | ql4_printk(KERN_WARNING, ha, "%s: don't retry " |
8745 | "initialize adapter. H/W is in failed state\n", | |
8746 | __func__); | |
8747 | break; | |
8748 | } | |
8749 | } | |
afaf5a2d DS |
8750 | DEBUG2(printk("scsi: %s: retrying adapter initialization " |
8751 | "(%d)\n", __func__, init_retry_count)); | |
f4f5df23 VC |
8752 | |
8753 | if (ha->isp_ops->reset_chip(ha) == QLA_ERROR) | |
8754 | continue; | |
8755 | ||
13483730 | 8756 | status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER); |
37418cc6 NJ |
8757 | if (is_qla80XX(ha) && (status == QLA_ERROR)) { |
8758 | if (qla4_8xxx_check_init_adapter_retry(ha) == QLA_ERROR) | |
8759 | goto skip_retry_init; | |
8760 | } | |
afaf5a2d | 8761 | } |
f4f5df23 | 8762 | |
7977f825 | 8763 | skip_retry_init: |
f4f5df23 | 8764 | if (!test_bit(AF_ONLINE, &ha->flags)) { |
c2660df3 | 8765 | ql4_printk(KERN_WARNING, ha, "Failed to initialize adapter\n"); |
afaf5a2d | 8766 | |
6e7b4292 | 8767 | if ((is_qla8022(ha) && ql4xdontresethba) || |
b37ca418 VC |
8768 | ((is_qla8032(ha) || is_qla8042(ha)) && |
8769 | qla4_83xx_idc_dontreset(ha))) { | |
fe998527 LC |
8770 | /* Put the device in failed state. */ |
8771 | DEBUG2(printk(KERN_ERR "HW STATE: FAILED\n")); | |
33693c7a VC |
8772 | ha->isp_ops->idc_lock(ha); |
8773 | qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, | |
8774 | QLA8XXX_DEV_FAILED); | |
8775 | ha->isp_ops->idc_unlock(ha); | |
fe998527 | 8776 | } |
afaf5a2d | 8777 | ret = -ENODEV; |
b3a271a9 | 8778 | goto remove_host; |
afaf5a2d DS |
8779 | } |
8780 | ||
afaf5a2d DS |
8781 | /* Startup the kernel thread for this host adapter. */ |
8782 | DEBUG2(printk("scsi: %s: Starting kernel thread for " | |
8783 | "qla4xxx_dpc\n", __func__)); | |
8784 | sprintf(buf, "qla4xxx_%lu_dpc", ha->host_no); | |
8785 | ha->dpc_thread = create_singlethread_workqueue(buf); | |
8786 | if (!ha->dpc_thread) { | |
c2660df3 | 8787 | ql4_printk(KERN_WARNING, ha, "Unable to start DPC thread!\n"); |
afaf5a2d | 8788 | ret = -ENODEV; |
b3a271a9 | 8789 | goto remove_host; |
afaf5a2d | 8790 | } |
c4028958 | 8791 | INIT_WORK(&ha->dpc_work, qla4xxx_do_dpc); |
afaf5a2d | 8792 | |
d8537548 KC |
8793 | ha->task_wq = alloc_workqueue("qla4xxx_%lu_task", WQ_MEM_RECLAIM, 1, |
8794 | ha->host_no); | |
b3a271a9 MR |
8795 | if (!ha->task_wq) { |
8796 | ql4_printk(KERN_WARNING, ha, "Unable to start task thread!\n"); | |
8797 | ret = -ENODEV; | |
8798 | goto remove_host; | |
8799 | } | |
8800 | ||
6e7b4292 VC |
8801 | /* |
8802 | * For ISP-8XXX, request_irqs is called in qla4_8xxx_load_risc | |
f4f5df23 VC |
8803 | * (which is called indirectly by qla4xxx_initialize_adapter), |
8804 | * so that irqs will be registered after crbinit but before | |
8805 | * mbx_intr_enable. | |
8806 | */ | |
ee996a69 | 8807 | if (is_qla40XX(ha)) { |
f4f5df23 VC |
8808 | ret = qla4xxx_request_irqs(ha); |
8809 | if (ret) { | |
8810 | ql4_printk(KERN_WARNING, ha, "Failed to reserve " | |
8811 | "interrupt %d already in use.\n", pdev->irq); | |
b3a271a9 | 8812 | goto remove_host; |
f4f5df23 | 8813 | } |
afaf5a2d | 8814 | } |
afaf5a2d | 8815 | |
2232be0d | 8816 | pci_save_state(ha->pdev); |
f4f5df23 | 8817 | ha->isp_ops->enable_intrs(ha); |
afaf5a2d DS |
8818 | |
8819 | /* Start timer thread. */ | |
d744644a | 8820 | qla4xxx_start_timer(ha, 1); |
afaf5a2d DS |
8821 | |
8822 | set_bit(AF_INIT_DONE, &ha->flags); | |
8823 | ||
068237c8 TP |
8824 | qla4_8xxx_alloc_sysfs_attr(ha); |
8825 | ||
afaf5a2d DS |
8826 | printk(KERN_INFO |
8827 | " QLogic iSCSI HBA Driver version: %s\n" | |
8828 | " QLogic ISP%04x @ %s, host#=%ld, fw=%02d.%02d.%02d.%02d\n", | |
8829 | qla4xxx_version_str, ha->pdev->device, pci_name(ha->pdev), | |
eee06a0f AC |
8830 | ha->host_no, ha->fw_info.fw_major, ha->fw_info.fw_minor, |
8831 | ha->fw_info.fw_patch, ha->fw_info.fw_build); | |
ed1086e0 | 8832 | |
cfb27874 MD |
8833 | /* Set the driver version */ |
8834 | if (is_qla80XX(ha)) | |
8835 | qla4_8xxx_set_param(ha, SET_DRVR_VERSION); | |
8836 | ||
2a991c21 | 8837 | if (qla4xxx_setup_boot_info(ha)) |
3573bfb2 VC |
8838 | ql4_printk(KERN_ERR, ha, |
8839 | "%s: No iSCSI boot target configured\n", __func__); | |
2a991c21 | 8840 | |
906cbf3d NJ |
8841 | set_bit(DPC_SYSFS_DDB_EXPORT, &ha->dpc_flags); |
8842 | /* Perform the build ddb list and login to each */ | |
13483730 MC |
8843 | qla4xxx_build_ddb_list(ha, INIT_ADAPTER); |
8844 | iscsi_host_for_each_session(ha->host, qla4xxx_login_flash_ddb); | |
1dc8ed5d | 8845 | qla4xxx_wait_login_resp_boot_tgt(ha); |
13483730 MC |
8846 | |
8847 | qla4xxx_create_chap_list(ha); | |
8848 | ||
ed1086e0 | 8849 | qla4xxx_create_ifaces(ha); |
afaf5a2d DS |
8850 | return 0; |
8851 | ||
b3a271a9 MR |
8852 | remove_host: |
8853 | scsi_remove_host(ha->host); | |
8854 | ||
afaf5a2d DS |
8855 | probe_failed: |
8856 | qla4xxx_free_adapter(ha); | |
f4f5df23 VC |
8857 | |
8858 | probe_failed_ioconfig: | |
2232be0d | 8859 | pci_disable_pcie_error_reporting(pdev); |
afaf5a2d DS |
8860 | scsi_host_put(ha->host); |
8861 | ||
8862 | probe_disable_device: | |
8863 | pci_disable_device(pdev); | |
8864 | ||
8865 | return ret; | |
8866 | } | |
8867 | ||
7eece5a0 KH |
8868 | /** |
8869 | * qla4xxx_prevent_other_port_reinit - prevent other port from re-initialize | |
8870 | * @ha: pointer to adapter structure | |
8871 | * | |
8872 | * Mark the other ISP-4xxx port to indicate that the driver is being removed, | |
8873 | * so that the other port will not re-initialize while in the process of | |
8874 | * removing the ha due to driver unload or hba hotplug. | |
8875 | **/ | |
8876 | static void qla4xxx_prevent_other_port_reinit(struct scsi_qla_host *ha) | |
8877 | { | |
8878 | struct scsi_qla_host *other_ha = NULL; | |
8879 | struct pci_dev *other_pdev = NULL; | |
8880 | int fn = ISP4XXX_PCI_FN_2; | |
8881 | ||
8882 | /*iscsi function numbers for ISP4xxx is 1 and 3*/ | |
8883 | if (PCI_FUNC(ha->pdev->devfn) & BIT_1) | |
8884 | fn = ISP4XXX_PCI_FN_1; | |
8885 | ||
8886 | other_pdev = | |
8887 | pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus), | |
8888 | ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn), | |
8889 | fn)); | |
8890 | ||
8891 | /* Get other_ha if other_pdev is valid and state is enable*/ | |
8892 | if (other_pdev) { | |
8893 | if (atomic_read(&other_pdev->enable_cnt)) { | |
8894 | other_ha = pci_get_drvdata(other_pdev); | |
8895 | if (other_ha) { | |
8896 | set_bit(AF_HA_REMOVAL, &other_ha->flags); | |
8897 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: " | |
8898 | "Prevent %s reinit\n", __func__, | |
8899 | dev_name(&other_ha->pdev->dev))); | |
8900 | } | |
8901 | } | |
8902 | pci_dev_put(other_pdev); | |
8903 | } | |
8904 | } | |
8905 | ||
28d958ba VC |
8906 | static void qla4xxx_destroy_ddb(struct scsi_qla_host *ha, |
8907 | struct ddb_entry *ddb_entry) | |
8908 | { | |
8909 | struct dev_db_entry *fw_ddb_entry = NULL; | |
8910 | dma_addr_t fw_ddb_entry_dma; | |
8911 | unsigned long wtime; | |
8912 | uint32_t ddb_state; | |
8913 | int options; | |
8914 | int status; | |
8915 | ||
8916 | options = LOGOUT_OPTION_CLOSE_SESSION; | |
8917 | if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) == QLA_ERROR) { | |
8918 | ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", __func__); | |
8919 | goto clear_ddb; | |
8920 | } | |
8921 | ||
8922 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
8923 | &fw_ddb_entry_dma, GFP_KERNEL); | |
8924 | if (!fw_ddb_entry) { | |
8925 | ql4_printk(KERN_ERR, ha, | |
8926 | "%s: Unable to allocate dma buffer\n", __func__); | |
8927 | goto clear_ddb; | |
8928 | } | |
8929 | ||
8930 | wtime = jiffies + (HZ * LOGOUT_TOV); | |
8931 | do { | |
8932 | status = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, | |
8933 | fw_ddb_entry, fw_ddb_entry_dma, | |
8934 | NULL, NULL, &ddb_state, NULL, | |
8935 | NULL, NULL); | |
8936 | if (status == QLA_ERROR) | |
8937 | goto free_ddb; | |
8938 | ||
8939 | if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) || | |
8940 | (ddb_state == DDB_DS_SESSION_FAILED)) | |
8941 | goto free_ddb; | |
8942 | ||
8943 | schedule_timeout_uninterruptible(HZ); | |
8944 | } while ((time_after(wtime, jiffies))); | |
8945 | ||
8946 | free_ddb: | |
8947 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), | |
8948 | fw_ddb_entry, fw_ddb_entry_dma); | |
8949 | clear_ddb: | |
8950 | qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); | |
8951 | } | |
8952 | ||
13483730 MC |
8953 | static void qla4xxx_destroy_fw_ddb_session(struct scsi_qla_host *ha) |
8954 | { | |
8955 | struct ddb_entry *ddb_entry; | |
13483730 MC |
8956 | int idx; |
8957 | ||
8958 | for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { | |
8959 | ||
8960 | ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); | |
8961 | if ((ddb_entry != NULL) && | |
8962 | (ddb_entry->ddb_type == FLASH_DDB)) { | |
8963 | ||
28d958ba | 8964 | qla4xxx_destroy_ddb(ha, ddb_entry); |
13483730 MC |
8965 | /* |
8966 | * we have decremented the reference count of the driver | |
8967 | * when we setup the session to have the driver unload | |
8968 | * to be seamless without actually destroying the | |
8969 | * session | |
8970 | **/ | |
8971 | try_module_get(qla4xxx_iscsi_transport.owner); | |
8972 | iscsi_destroy_endpoint(ddb_entry->conn->ep); | |
8973 | qla4xxx_free_ddb(ha, ddb_entry); | |
8974 | iscsi_session_teardown(ddb_entry->sess); | |
8975 | } | |
8976 | } | |
8977 | } | |
afaf5a2d | 8978 | /** |
59e13d48 | 8979 | * qla4xxx_remove_adapter - callback function to remove adapter. |
afaf5a2d DS |
8980 | * @pci_dev: PCI device pointer |
8981 | **/ | |
6f039790 | 8982 | static void qla4xxx_remove_adapter(struct pci_dev *pdev) |
afaf5a2d DS |
8983 | { |
8984 | struct scsi_qla_host *ha; | |
8985 | ||
f8b0751d VC |
8986 | /* |
8987 | * If the PCI device is disabled then it means probe_adapter had | |
8988 | * failed and resources already cleaned up on probe_adapter exit. | |
8989 | */ | |
8990 | if (!pci_is_enabled(pdev)) | |
8991 | return; | |
8992 | ||
afaf5a2d DS |
8993 | ha = pci_get_drvdata(pdev); |
8994 | ||
ee996a69 | 8995 | if (is_qla40XX(ha)) |
7eece5a0 | 8996 | qla4xxx_prevent_other_port_reinit(ha); |
bee4fe8e | 8997 | |
ed1086e0 VC |
8998 | /* destroy iface from sysfs */ |
8999 | qla4xxx_destroy_ifaces(ha); | |
9000 | ||
13483730 | 9001 | if ((!ql4xdisablesysfsboot) && ha->boot_kset) |
2a991c21 MR |
9002 | iscsi_boot_destroy_kset(ha->boot_kset); |
9003 | ||
13483730 | 9004 | qla4xxx_destroy_fw_ddb_session(ha); |
068237c8 | 9005 | qla4_8xxx_free_sysfs_attr(ha); |
13483730 | 9006 | |
1e9e2be3 | 9007 | qla4xxx_sysfs_ddb_remove(ha); |
afaf5a2d DS |
9008 | scsi_remove_host(ha->host); |
9009 | ||
9010 | qla4xxx_free_adapter(ha); | |
9011 | ||
9012 | scsi_host_put(ha->host); | |
9013 | ||
2232be0d | 9014 | pci_disable_pcie_error_reporting(pdev); |
f4f5df23 | 9015 | pci_disable_device(pdev); |
afaf5a2d DS |
9016 | } |
9017 | ||
9018 | /** | |
9019 | * qla4xxx_config_dma_addressing() - Configure OS DMA addressing method. | |
9020 | * @ha: HA context | |
afaf5a2d | 9021 | */ |
47975477 | 9022 | static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha) |
afaf5a2d | 9023 | { |
afaf5a2d | 9024 | /* Update our PCI device dma_mask for full 64 bit mask */ |
ec44a676 CH |
9025 | if (dma_set_mask_and_coherent(&ha->pdev->dev, DMA_BIT_MASK(64))) { |
9026 | dev_dbg(&ha->pdev->dev, | |
9027 | "Failed to set 64 bit PCI consistent mask; " | |
9028 | "using 32 bit.\n"); | |
9029 | dma_set_mask_and_coherent(&ha->pdev->dev, DMA_BIT_MASK(32)); | |
9030 | } | |
afaf5a2d DS |
9031 | } |
9032 | ||
9033 | static int qla4xxx_slave_alloc(struct scsi_device *sdev) | |
9034 | { | |
b3a271a9 MR |
9035 | struct iscsi_cls_session *cls_sess; |
9036 | struct iscsi_session *sess; | |
9037 | struct ddb_entry *ddb; | |
8bb4033d | 9038 | int queue_depth = QL4_DEF_QDEPTH; |
afaf5a2d | 9039 | |
b3a271a9 MR |
9040 | cls_sess = starget_to_session(sdev->sdev_target); |
9041 | sess = cls_sess->dd_data; | |
9042 | ddb = sess->dd_data; | |
9043 | ||
afaf5a2d | 9044 | sdev->hostdata = ddb; |
8bb4033d VC |
9045 | |
9046 | if (ql4xmaxqdepth != 0 && ql4xmaxqdepth <= 0xffffU) | |
9047 | queue_depth = ql4xmaxqdepth; | |
9048 | ||
db5ed4df | 9049 | scsi_change_queue_depth(sdev, queue_depth); |
afaf5a2d DS |
9050 | return 0; |
9051 | } | |
9052 | ||
afaf5a2d DS |
9053 | /** |
9054 | * qla4xxx_del_from_active_array - returns an active srb | |
9055 | * @ha: Pointer to host adapter structure. | |
fd589a8f | 9056 | * @index: index into the active_array |
afaf5a2d DS |
9057 | * |
9058 | * This routine removes and returns the srb at the specified index | |
9059 | **/ | |
f4f5df23 VC |
9060 | struct srb *qla4xxx_del_from_active_array(struct scsi_qla_host *ha, |
9061 | uint32_t index) | |
afaf5a2d DS |
9062 | { |
9063 | struct srb *srb = NULL; | |
5369887a | 9064 | struct scsi_cmnd *cmd = NULL; |
afaf5a2d | 9065 | |
5369887a VC |
9066 | cmd = scsi_host_find_tag(ha->host, index); |
9067 | if (!cmd) | |
afaf5a2d DS |
9068 | return srb; |
9069 | ||
5369887a VC |
9070 | srb = (struct srb *)CMD_SP(cmd); |
9071 | if (!srb) | |
afaf5a2d DS |
9072 | return srb; |
9073 | ||
9074 | /* update counters */ | |
9075 | if (srb->flags & SRB_DMA_VALID) { | |
afaf5a2d DS |
9076 | ha->iocb_cnt -= srb->iocb_cnt; |
9077 | if (srb->cmd) | |
5369887a VC |
9078 | srb->cmd->host_scribble = |
9079 | (unsigned char *)(unsigned long) MAX_SRBS; | |
afaf5a2d DS |
9080 | } |
9081 | return srb; | |
9082 | } | |
9083 | ||
afaf5a2d DS |
9084 | /** |
9085 | * qla4xxx_eh_wait_on_command - waits for command to be returned by firmware | |
09a0f719 | 9086 | * @ha: Pointer to host adapter structure. |
afaf5a2d DS |
9087 | * @cmd: Scsi Command to wait on. |
9088 | * | |
9089 | * This routine waits for the command to be returned by the Firmware | |
9090 | * for some max time. | |
9091 | **/ | |
9092 | static int qla4xxx_eh_wait_on_command(struct scsi_qla_host *ha, | |
9093 | struct scsi_cmnd *cmd) | |
9094 | { | |
9095 | int done = 0; | |
9096 | struct srb *rp; | |
9097 | uint32_t max_wait_time = EH_WAIT_CMD_TOV; | |
2232be0d LC |
9098 | int ret = SUCCESS; |
9099 | ||
9100 | /* Dont wait on command if PCI error is being handled | |
9101 | * by PCI AER driver | |
9102 | */ | |
9103 | if (unlikely(pci_channel_offline(ha->pdev)) || | |
9104 | (test_bit(AF_EEH_BUSY, &ha->flags))) { | |
9105 | ql4_printk(KERN_WARNING, ha, "scsi%ld: Return from %s\n", | |
9106 | ha->host_no, __func__); | |
9107 | return ret; | |
9108 | } | |
afaf5a2d DS |
9109 | |
9110 | do { | |
9111 | /* Checking to see if its returned to OS */ | |
5369887a | 9112 | rp = (struct srb *) CMD_SP(cmd); |
afaf5a2d DS |
9113 | if (rp == NULL) { |
9114 | done++; | |
9115 | break; | |
9116 | } | |
9117 | ||
9118 | msleep(2000); | |
9119 | } while (max_wait_time--); | |
9120 | ||
9121 | return done; | |
9122 | } | |
9123 | ||
9124 | /** | |
9125 | * qla4xxx_wait_for_hba_online - waits for HBA to come online | |
9126 | * @ha: Pointer to host adapter structure | |
9127 | **/ | |
9128 | static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha) | |
9129 | { | |
9130 | unsigned long wait_online; | |
9131 | ||
f581a3f7 | 9132 | wait_online = jiffies + (HBA_ONLINE_TOV * HZ); |
afaf5a2d DS |
9133 | while (time_before(jiffies, wait_online)) { |
9134 | ||
9135 | if (adapter_up(ha)) | |
9136 | return QLA_SUCCESS; | |
afaf5a2d DS |
9137 | |
9138 | msleep(2000); | |
9139 | } | |
9140 | ||
9141 | return QLA_ERROR; | |
9142 | } | |
9143 | ||
9144 | /** | |
ce545039 | 9145 | * qla4xxx_eh_wait_for_commands - wait for active cmds to finish. |
fd589a8f | 9146 | * @ha: pointer to HBA |
afaf5a2d DS |
9147 | * @t: target id |
9148 | * @l: lun id | |
9149 | * | |
9150 | * This function waits for all outstanding commands to a lun to complete. It | |
9151 | * returns 0 if all pending commands are returned and 1 otherwise. | |
9152 | **/ | |
ce545039 MC |
9153 | static int qla4xxx_eh_wait_for_commands(struct scsi_qla_host *ha, |
9154 | struct scsi_target *stgt, | |
9155 | struct scsi_device *sdev) | |
afaf5a2d DS |
9156 | { |
9157 | int cnt; | |
9158 | int status = 0; | |
9159 | struct scsi_cmnd *cmd; | |
9160 | ||
9161 | /* | |
ce545039 MC |
9162 | * Waiting for all commands for the designated target or dev |
9163 | * in the active array | |
afaf5a2d DS |
9164 | */ |
9165 | for (cnt = 0; cnt < ha->host->can_queue; cnt++) { | |
9166 | cmd = scsi_host_find_tag(ha->host, cnt); | |
ce545039 MC |
9167 | if (cmd && stgt == scsi_target(cmd->device) && |
9168 | (!sdev || sdev == cmd->device)) { | |
afaf5a2d DS |
9169 | if (!qla4xxx_eh_wait_on_command(ha, cmd)) { |
9170 | status++; | |
9171 | break; | |
9172 | } | |
9173 | } | |
9174 | } | |
9175 | return status; | |
9176 | } | |
9177 | ||
09a0f719 VC |
9178 | /** |
9179 | * qla4xxx_eh_abort - callback for abort task. | |
9180 | * @cmd: Pointer to Linux's SCSI command structure | |
9181 | * | |
9182 | * This routine is called by the Linux OS to abort the specified | |
9183 | * command. | |
9184 | **/ | |
9185 | static int qla4xxx_eh_abort(struct scsi_cmnd *cmd) | |
9186 | { | |
9187 | struct scsi_qla_host *ha = to_qla_host(cmd->device->host); | |
9188 | unsigned int id = cmd->device->id; | |
9cb78c16 | 9189 | uint64_t lun = cmd->device->lun; |
92b3e5bb | 9190 | unsigned long flags; |
09a0f719 VC |
9191 | struct srb *srb = NULL; |
9192 | int ret = SUCCESS; | |
9193 | int wait = 0; | |
1bc5ad3a | 9194 | int rval; |
09a0f719 | 9195 | |
9cb78c16 | 9196 | ql4_printk(KERN_INFO, ha, "scsi%ld:%d:%llu: Abort command issued cmd=%p, cdb=0x%x\n", |
63c9e814 | 9197 | ha->host_no, id, lun, cmd, cmd->cmnd[0]); |
09a0f719 | 9198 | |
1bc5ad3a MR |
9199 | rval = qla4xxx_isp_check_reg(ha); |
9200 | if (rval != QLA_SUCCESS) { | |
9201 | ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n"); | |
9202 | return FAILED; | |
9203 | } | |
9204 | ||
92b3e5bb | 9205 | spin_lock_irqsave(&ha->hardware_lock, flags); |
09a0f719 | 9206 | srb = (struct srb *) CMD_SP(cmd); |
92b3e5bb MC |
9207 | if (!srb) { |
9208 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
9cb78c16 | 9209 | ql4_printk(KERN_INFO, ha, "scsi%ld:%d:%llu: Specified command has already completed.\n", |
63c9e814 | 9210 | ha->host_no, id, lun); |
09a0f719 | 9211 | return SUCCESS; |
92b3e5bb | 9212 | } |
09a0f719 | 9213 | kref_get(&srb->srb_ref); |
92b3e5bb | 9214 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
09a0f719 VC |
9215 | |
9216 | if (qla4xxx_abort_task(ha, srb) != QLA_SUCCESS) { | |
9cb78c16 | 9217 | DEBUG3(printk("scsi%ld:%d:%llu: Abort_task mbx failed.\n", |
09a0f719 VC |
9218 | ha->host_no, id, lun)); |
9219 | ret = FAILED; | |
9220 | } else { | |
9cb78c16 | 9221 | DEBUG3(printk("scsi%ld:%d:%llu: Abort_task mbx success.\n", |
09a0f719 VC |
9222 | ha->host_no, id, lun)); |
9223 | wait = 1; | |
9224 | } | |
9225 | ||
9226 | kref_put(&srb->srb_ref, qla4xxx_srb_compl); | |
9227 | ||
9228 | /* Wait for command to complete */ | |
9229 | if (wait) { | |
9230 | if (!qla4xxx_eh_wait_on_command(ha, cmd)) { | |
9cb78c16 | 9231 | DEBUG2(printk("scsi%ld:%d:%llu: Abort handler timed out\n", |
09a0f719 VC |
9232 | ha->host_no, id, lun)); |
9233 | ret = FAILED; | |
9234 | } | |
9235 | } | |
9236 | ||
c2660df3 | 9237 | ql4_printk(KERN_INFO, ha, |
9cb78c16 | 9238 | "scsi%ld:%d:%llu: Abort command - %s\n", |
25985edc | 9239 | ha->host_no, id, lun, (ret == SUCCESS) ? "succeeded" : "failed"); |
09a0f719 VC |
9240 | |
9241 | return ret; | |
9242 | } | |
9243 | ||
afaf5a2d DS |
9244 | /** |
9245 | * qla4xxx_eh_device_reset - callback for target reset. | |
9246 | * @cmd: Pointer to Linux's SCSI command structure | |
9247 | * | |
9248 | * This routine is called by the Linux OS to reset all luns on the | |
9249 | * specified target. | |
9250 | **/ | |
9251 | static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd) | |
9252 | { | |
9253 | struct scsi_qla_host *ha = to_qla_host(cmd->device->host); | |
9254 | struct ddb_entry *ddb_entry = cmd->device->hostdata; | |
afaf5a2d | 9255 | int ret = FAILED, stat; |
1bc5ad3a | 9256 | int rval; |
afaf5a2d | 9257 | |
612f7348 | 9258 | if (!ddb_entry) |
afaf5a2d DS |
9259 | return ret; |
9260 | ||
c01be6dc MC |
9261 | ret = iscsi_block_scsi_eh(cmd); |
9262 | if (ret) | |
9263 | return ret; | |
9264 | ret = FAILED; | |
9265 | ||
c2660df3 | 9266 | ql4_printk(KERN_INFO, ha, |
9cb78c16 | 9267 | "scsi%ld:%d:%d:%llu: DEVICE RESET ISSUED.\n", ha->host_no, |
afaf5a2d DS |
9268 | cmd->device->channel, cmd->device->id, cmd->device->lun); |
9269 | ||
9270 | DEBUG2(printk(KERN_INFO | |
9271 | "scsi%ld: DEVICE_RESET cmd=%p jiffies = 0x%lx, to=%x," | |
9272 | "dpc_flags=%lx, status=%x allowed=%d\n", ha->host_no, | |
242f9dcb | 9273 | cmd, jiffies, cmd->request->timeout / HZ, |
afaf5a2d DS |
9274 | ha->dpc_flags, cmd->result, cmd->allowed)); |
9275 | ||
1bc5ad3a MR |
9276 | rval = qla4xxx_isp_check_reg(ha); |
9277 | if (rval != QLA_SUCCESS) { | |
9278 | ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n"); | |
9279 | return FAILED; | |
9280 | } | |
9281 | ||
afaf5a2d DS |
9282 | /* FIXME: wait for hba to go online */ |
9283 | stat = qla4xxx_reset_lun(ha, ddb_entry, cmd->device->lun); | |
9284 | if (stat != QLA_SUCCESS) { | |
c2660df3 | 9285 | ql4_printk(KERN_INFO, ha, "DEVICE RESET FAILED. %d\n", stat); |
afaf5a2d DS |
9286 | goto eh_dev_reset_done; |
9287 | } | |
9288 | ||
ce545039 MC |
9289 | if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device), |
9290 | cmd->device)) { | |
c2660df3 | 9291 | ql4_printk(KERN_INFO, ha, |
ce545039 MC |
9292 | "DEVICE RESET FAILED - waiting for " |
9293 | "commands.\n"); | |
9294 | goto eh_dev_reset_done; | |
afaf5a2d DS |
9295 | } |
9296 | ||
9d562913 DS |
9297 | /* Send marker. */ |
9298 | if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun, | |
9299 | MM_LUN_RESET) != QLA_SUCCESS) | |
9300 | goto eh_dev_reset_done; | |
9301 | ||
c2660df3 | 9302 | ql4_printk(KERN_INFO, ha, |
9cb78c16 | 9303 | "scsi(%ld:%d:%d:%llu): DEVICE RESET SUCCEEDED.\n", |
afaf5a2d DS |
9304 | ha->host_no, cmd->device->channel, cmd->device->id, |
9305 | cmd->device->lun); | |
9306 | ||
9307 | ret = SUCCESS; | |
9308 | ||
9309 | eh_dev_reset_done: | |
9310 | ||
9311 | return ret; | |
9312 | } | |
9313 | ||
ce545039 MC |
9314 | /** |
9315 | * qla4xxx_eh_target_reset - callback for target reset. | |
9316 | * @cmd: Pointer to Linux's SCSI command structure | |
9317 | * | |
9318 | * This routine is called by the Linux OS to reset the target. | |
9319 | **/ | |
9320 | static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd) | |
9321 | { | |
9322 | struct scsi_qla_host *ha = to_qla_host(cmd->device->host); | |
9323 | struct ddb_entry *ddb_entry = cmd->device->hostdata; | |
c01be6dc | 9324 | int stat, ret; |
1bc5ad3a | 9325 | int rval; |
ce545039 MC |
9326 | |
9327 | if (!ddb_entry) | |
9328 | return FAILED; | |
9329 | ||
c01be6dc MC |
9330 | ret = iscsi_block_scsi_eh(cmd); |
9331 | if (ret) | |
9332 | return ret; | |
9333 | ||
ce545039 MC |
9334 | starget_printk(KERN_INFO, scsi_target(cmd->device), |
9335 | "WARM TARGET RESET ISSUED.\n"); | |
9336 | ||
9337 | DEBUG2(printk(KERN_INFO | |
9338 | "scsi%ld: TARGET_DEVICE_RESET cmd=%p jiffies = 0x%lx, " | |
9339 | "to=%x,dpc_flags=%lx, status=%x allowed=%d\n", | |
242f9dcb | 9340 | ha->host_no, cmd, jiffies, cmd->request->timeout / HZ, |
ce545039 MC |
9341 | ha->dpc_flags, cmd->result, cmd->allowed)); |
9342 | ||
1bc5ad3a MR |
9343 | rval = qla4xxx_isp_check_reg(ha); |
9344 | if (rval != QLA_SUCCESS) { | |
9345 | ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n"); | |
9346 | return FAILED; | |
9347 | } | |
9348 | ||
ce545039 MC |
9349 | stat = qla4xxx_reset_target(ha, ddb_entry); |
9350 | if (stat != QLA_SUCCESS) { | |
9351 | starget_printk(KERN_INFO, scsi_target(cmd->device), | |
9352 | "WARM TARGET RESET FAILED.\n"); | |
9353 | return FAILED; | |
9354 | } | |
9355 | ||
ce545039 MC |
9356 | if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device), |
9357 | NULL)) { | |
9358 | starget_printk(KERN_INFO, scsi_target(cmd->device), | |
9359 | "WARM TARGET DEVICE RESET FAILED - " | |
9360 | "waiting for commands.\n"); | |
9361 | return FAILED; | |
9362 | } | |
9363 | ||
9d562913 DS |
9364 | /* Send marker. */ |
9365 | if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun, | |
9366 | MM_TGT_WARM_RESET) != QLA_SUCCESS) { | |
9367 | starget_printk(KERN_INFO, scsi_target(cmd->device), | |
9368 | "WARM TARGET DEVICE RESET FAILED - " | |
9369 | "marker iocb failed.\n"); | |
9370 | return FAILED; | |
9371 | } | |
9372 | ||
ce545039 MC |
9373 | starget_printk(KERN_INFO, scsi_target(cmd->device), |
9374 | "WARM TARGET RESET SUCCEEDED.\n"); | |
9375 | return SUCCESS; | |
9376 | } | |
9377 | ||
8a288960 SR |
9378 | /** |
9379 | * qla4xxx_is_eh_active - check if error handler is running | |
9380 | * @shost: Pointer to SCSI Host struct | |
9381 | * | |
9382 | * This routine finds that if reset host is called in EH | |
9383 | * scenario or from some application like sg_reset | |
9384 | **/ | |
9385 | static int qla4xxx_is_eh_active(struct Scsi_Host *shost) | |
9386 | { | |
9387 | if (shost->shost_state == SHOST_RECOVERY) | |
9388 | return 1; | |
9389 | return 0; | |
9390 | } | |
9391 | ||
afaf5a2d DS |
9392 | /** |
9393 | * qla4xxx_eh_host_reset - kernel callback | |
9394 | * @cmd: Pointer to Linux's SCSI command structure | |
9395 | * | |
9396 | * This routine is invoked by the Linux kernel to perform fatal error | |
9397 | * recovery on the specified adapter. | |
9398 | **/ | |
9399 | static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd) | |
9400 | { | |
9401 | int return_status = FAILED; | |
9402 | struct scsi_qla_host *ha; | |
1bc5ad3a | 9403 | int rval; |
afaf5a2d | 9404 | |
b3a271a9 | 9405 | ha = to_qla_host(cmd->device->host); |
afaf5a2d | 9406 | |
1bc5ad3a MR |
9407 | rval = qla4xxx_isp_check_reg(ha); |
9408 | if (rval != QLA_SUCCESS) { | |
9409 | ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n"); | |
9410 | return FAILED; | |
9411 | } | |
9412 | ||
b37ca418 | 9413 | if ((is_qla8032(ha) || is_qla8042(ha)) && ql4xdontresethba) |
6e7b4292 VC |
9414 | qla4_83xx_set_idc_dontreset(ha); |
9415 | ||
9416 | /* | |
b37ca418 VC |
9417 | * For ISP8324 and ISP8042, if IDC_CTRL DONTRESET_BIT0 is set by other |
9418 | * protocol drivers, we should not set device_state to NEED_RESET | |
6e7b4292 VC |
9419 | */ |
9420 | if (ql4xdontresethba || | |
b37ca418 VC |
9421 | ((is_qla8032(ha) || is_qla8042(ha)) && |
9422 | qla4_83xx_idc_dontreset(ha))) { | |
f4f5df23 VC |
9423 | DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n", |
9424 | ha->host_no, __func__)); | |
8a288960 SR |
9425 | |
9426 | /* Clear outstanding srb in queues */ | |
9427 | if (qla4xxx_is_eh_active(cmd->device->host)) | |
9428 | qla4xxx_abort_active_cmds(ha, DID_ABORT << 16); | |
9429 | ||
f4f5df23 VC |
9430 | return FAILED; |
9431 | } | |
9432 | ||
c2660df3 | 9433 | ql4_printk(KERN_INFO, ha, |
9cb78c16 | 9434 | "scsi(%ld:%d:%d:%llu): HOST RESET ISSUED.\n", ha->host_no, |
afaf5a2d DS |
9435 | cmd->device->channel, cmd->device->id, cmd->device->lun); |
9436 | ||
9437 | if (qla4xxx_wait_for_hba_online(ha) != QLA_SUCCESS) { | |
9438 | DEBUG2(printk("scsi%ld:%d: %s: Unable to reset host. Adapter " | |
9439 | "DEAD.\n", ha->host_no, cmd->device->channel, | |
9440 | __func__)); | |
9441 | ||
9442 | return FAILED; | |
9443 | } | |
9444 | ||
f4f5df23 | 9445 | if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) { |
6e7b4292 | 9446 | if (is_qla80XX(ha)) |
f4f5df23 VC |
9447 | set_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); |
9448 | else | |
9449 | set_bit(DPC_RESET_HA, &ha->dpc_flags); | |
9450 | } | |
50a29aec | 9451 | |
f4f5df23 | 9452 | if (qla4xxx_recover_adapter(ha) == QLA_SUCCESS) |
afaf5a2d | 9453 | return_status = SUCCESS; |
afaf5a2d | 9454 | |
c2660df3 | 9455 | ql4_printk(KERN_INFO, ha, "HOST RESET %s.\n", |
25985edc | 9456 | return_status == FAILED ? "FAILED" : "SUCCEEDED"); |
afaf5a2d DS |
9457 | |
9458 | return return_status; | |
9459 | } | |
9460 | ||
95d31262 VC |
9461 | static int qla4xxx_context_reset(struct scsi_qla_host *ha) |
9462 | { | |
9463 | uint32_t mbox_cmd[MBOX_REG_COUNT]; | |
9464 | uint32_t mbox_sts[MBOX_REG_COUNT]; | |
9465 | struct addr_ctrl_blk_def *acb = NULL; | |
9466 | uint32_t acb_len = sizeof(struct addr_ctrl_blk_def); | |
9467 | int rval = QLA_SUCCESS; | |
9468 | dma_addr_t acb_dma; | |
9469 | ||
9470 | acb = dma_alloc_coherent(&ha->pdev->dev, | |
9471 | sizeof(struct addr_ctrl_blk_def), | |
9472 | &acb_dma, GFP_KERNEL); | |
9473 | if (!acb) { | |
9474 | ql4_printk(KERN_ERR, ha, "%s: Unable to alloc acb\n", | |
9475 | __func__); | |
9476 | rval = -ENOMEM; | |
9477 | goto exit_port_reset; | |
9478 | } | |
9479 | ||
9480 | memset(acb, 0, acb_len); | |
9481 | ||
9482 | rval = qla4xxx_get_acb(ha, acb_dma, PRIMARI_ACB, acb_len); | |
9483 | if (rval != QLA_SUCCESS) { | |
9484 | rval = -EIO; | |
9485 | goto exit_free_acb; | |
9486 | } | |
9487 | ||
9488 | rval = qla4xxx_disable_acb(ha); | |
9489 | if (rval != QLA_SUCCESS) { | |
9490 | rval = -EIO; | |
9491 | goto exit_free_acb; | |
9492 | } | |
9493 | ||
9494 | wait_for_completion_timeout(&ha->disable_acb_comp, | |
9495 | DISABLE_ACB_TOV * HZ); | |
9496 | ||
9497 | rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], acb_dma); | |
9498 | if (rval != QLA_SUCCESS) { | |
9499 | rval = -EIO; | |
9500 | goto exit_free_acb; | |
9501 | } | |
9502 | ||
9503 | exit_free_acb: | |
9504 | dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk_def), | |
9505 | acb, acb_dma); | |
9506 | exit_port_reset: | |
9507 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s %s\n", __func__, | |
9508 | rval == QLA_SUCCESS ? "SUCCEEDED" : "FAILED")); | |
9509 | return rval; | |
9510 | } | |
9511 | ||
9512 | static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type) | |
9513 | { | |
9514 | struct scsi_qla_host *ha = to_qla_host(shost); | |
9515 | int rval = QLA_SUCCESS; | |
ebd777de | 9516 | uint32_t idc_ctrl; |
95d31262 VC |
9517 | |
9518 | if (ql4xdontresethba) { | |
9519 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Don't Reset HBA\n", | |
9520 | __func__)); | |
9521 | rval = -EPERM; | |
9522 | goto exit_host_reset; | |
9523 | } | |
9524 | ||
95d31262 VC |
9525 | if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) |
9526 | goto recover_adapter; | |
9527 | ||
9528 | switch (reset_type) { | |
9529 | case SCSI_ADAPTER_RESET: | |
9530 | set_bit(DPC_RESET_HA, &ha->dpc_flags); | |
9531 | break; | |
9532 | case SCSI_FIRMWARE_RESET: | |
9533 | if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) { | |
6e7b4292 | 9534 | if (is_qla80XX(ha)) |
95d31262 VC |
9535 | /* set firmware context reset */ |
9536 | set_bit(DPC_RESET_HA_FW_CONTEXT, | |
9537 | &ha->dpc_flags); | |
9538 | else { | |
9539 | rval = qla4xxx_context_reset(ha); | |
9540 | goto exit_host_reset; | |
9541 | } | |
9542 | } | |
9543 | break; | |
9544 | } | |
9545 | ||
9546 | recover_adapter: | |
b37ca418 | 9547 | /* For ISP8324 and ISP8042 set graceful reset bit in IDC_DRV_CTRL if |
ebd777de | 9548 | * reset is issued by application */ |
b37ca418 VC |
9549 | if ((is_qla8032(ha) || is_qla8042(ha)) && |
9550 | test_bit(DPC_RESET_HA, &ha->dpc_flags)) { | |
ebd777de VC |
9551 | idc_ctrl = qla4_83xx_rd_reg(ha, QLA83XX_IDC_DRV_CTRL); |
9552 | qla4_83xx_wr_reg(ha, QLA83XX_IDC_DRV_CTRL, | |
9553 | (idc_ctrl | GRACEFUL_RESET_BIT1)); | |
9554 | } | |
9555 | ||
95d31262 VC |
9556 | rval = qla4xxx_recover_adapter(ha); |
9557 | if (rval != QLA_SUCCESS) { | |
9558 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: recover adapter fail\n", | |
9559 | __func__)); | |
9560 | rval = -EIO; | |
9561 | } | |
9562 | ||
9563 | exit_host_reset: | |
9564 | return rval; | |
9565 | } | |
9566 | ||
2232be0d LC |
9567 | /* PCI AER driver recovers from all correctable errors w/o |
9568 | * driver intervention. For uncorrectable errors PCI AER | |
9569 | * driver calls the following device driver's callbacks | |
9570 | * | |
9571 | * - Fatal Errors - link_reset | |
364757e4 | 9572 | * - Non-Fatal Errors - driver's error_detected() which |
2232be0d LC |
9573 | * returns CAN_RECOVER, NEED_RESET or DISCONNECT. |
9574 | * | |
9575 | * PCI AER driver calls | |
364757e4 | 9576 | * CAN_RECOVER - driver's mmio_enabled(), mmio_enabled() |
2232be0d LC |
9577 | * returns RECOVERED or NEED_RESET if fw_hung |
9578 | * NEED_RESET - driver's slot_reset() | |
9579 | * DISCONNECT - device is dead & cannot recover | |
364757e4 | 9580 | * RECOVERED - driver's resume() |
2232be0d LC |
9581 | */ |
9582 | static pci_ers_result_t | |
9583 | qla4xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) | |
9584 | { | |
9585 | struct scsi_qla_host *ha = pci_get_drvdata(pdev); | |
9586 | ||
9587 | ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: error detected:state %x\n", | |
9588 | ha->host_no, __func__, state); | |
9589 | ||
9590 | if (!is_aer_supported(ha)) | |
9591 | return PCI_ERS_RESULT_NONE; | |
9592 | ||
9593 | switch (state) { | |
9594 | case pci_channel_io_normal: | |
9595 | clear_bit(AF_EEH_BUSY, &ha->flags); | |
9596 | return PCI_ERS_RESULT_CAN_RECOVER; | |
9597 | case pci_channel_io_frozen: | |
9598 | set_bit(AF_EEH_BUSY, &ha->flags); | |
9599 | qla4xxx_mailbox_premature_completion(ha); | |
9600 | qla4xxx_free_irqs(ha); | |
9601 | pci_disable_device(pdev); | |
7b3595df VC |
9602 | /* Return back all IOs */ |
9603 | qla4xxx_abort_active_cmds(ha, DID_RESET << 16); | |
2232be0d LC |
9604 | return PCI_ERS_RESULT_NEED_RESET; |
9605 | case pci_channel_io_perm_failure: | |
9606 | set_bit(AF_EEH_BUSY, &ha->flags); | |
9607 | set_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags); | |
9608 | qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); | |
9609 | return PCI_ERS_RESULT_DISCONNECT; | |
9610 | } | |
9611 | return PCI_ERS_RESULT_NEED_RESET; | |
9612 | } | |
9613 | ||
9614 | /** | |
9615 | * qla4xxx_pci_mmio_enabled() gets called if | |
9616 | * qla4xxx_pci_error_detected() returns PCI_ERS_RESULT_CAN_RECOVER | |
9617 | * and read/write to the device still works. | |
9618 | **/ | |
9619 | static pci_ers_result_t | |
9620 | qla4xxx_pci_mmio_enabled(struct pci_dev *pdev) | |
9621 | { | |
9622 | struct scsi_qla_host *ha = pci_get_drvdata(pdev); | |
9623 | ||
9624 | if (!is_aer_supported(ha)) | |
9625 | return PCI_ERS_RESULT_NONE; | |
9626 | ||
7b3595df | 9627 | return PCI_ERS_RESULT_RECOVERED; |
2232be0d LC |
9628 | } |
9629 | ||
7b3595df | 9630 | static uint32_t qla4_8xxx_error_recovery(struct scsi_qla_host *ha) |
2232be0d LC |
9631 | { |
9632 | uint32_t rval = QLA_ERROR; | |
9633 | int fn; | |
9634 | struct pci_dev *other_pdev = NULL; | |
9635 | ||
9636 | ql4_printk(KERN_WARNING, ha, "scsi%ld: In %s\n", ha->host_no, __func__); | |
9637 | ||
9638 | set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); | |
9639 | ||
9640 | if (test_bit(AF_ONLINE, &ha->flags)) { | |
9641 | clear_bit(AF_ONLINE, &ha->flags); | |
b3a271a9 MR |
9642 | clear_bit(AF_LINK_UP, &ha->flags); |
9643 | iscsi_host_for_each_session(ha->host, qla4xxx_fail_session); | |
2232be0d | 9644 | qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); |
2232be0d LC |
9645 | } |
9646 | ||
9647 | fn = PCI_FUNC(ha->pdev->devfn); | |
daa34eb4 TP |
9648 | if (is_qla8022(ha)) { |
9649 | while (fn > 0) { | |
9650 | fn--; | |
9651 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Finding PCI device at func %x\n", | |
9652 | ha->host_no, __func__, fn); | |
9653 | /* Get the pci device given the domain, bus, | |
9654 | * slot/function number */ | |
9655 | other_pdev = pci_get_domain_bus_and_slot( | |
9656 | pci_domain_nr(ha->pdev->bus), | |
9657 | ha->pdev->bus->number, | |
9658 | PCI_DEVFN(PCI_SLOT(ha->pdev->devfn), | |
9659 | fn)); | |
9660 | ||
9661 | if (!other_pdev) | |
9662 | continue; | |
2232be0d | 9663 | |
daa34eb4 TP |
9664 | if (atomic_read(&other_pdev->enable_cnt)) { |
9665 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Found PCI func in enabled state%x\n", | |
9666 | ha->host_no, __func__, fn); | |
9667 | pci_dev_put(other_pdev); | |
9668 | break; | |
9669 | } | |
2232be0d | 9670 | pci_dev_put(other_pdev); |
2232be0d | 9671 | } |
daa34eb4 TP |
9672 | } else { |
9673 | /* this case is meant for ISP83xx/ISP84xx only */ | |
9674 | if (qla4_83xx_can_perform_reset(ha)) { | |
9675 | /* reset fn as iSCSI is going to perform the reset */ | |
9676 | fn = 0; | |
9677 | } | |
2232be0d LC |
9678 | } |
9679 | ||
9680 | /* The first function on the card, the reset owner will | |
9681 | * start & initialize the firmware. The other functions | |
9682 | * on the card will reset the firmware context | |
9683 | */ | |
9684 | if (!fn) { | |
9685 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn being reset " | |
9686 | "0x%x is the owner\n", ha->host_no, __func__, | |
9687 | ha->pdev->devfn); | |
9688 | ||
33693c7a VC |
9689 | ha->isp_ops->idc_lock(ha); |
9690 | qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, | |
9691 | QLA8XXX_DEV_COLD); | |
33693c7a | 9692 | ha->isp_ops->idc_unlock(ha); |
39c95826 VC |
9693 | |
9694 | rval = qla4_8xxx_update_idc_reg(ha); | |
9695 | if (rval == QLA_ERROR) { | |
9696 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: FAILED\n", | |
9697 | ha->host_no, __func__); | |
9698 | ha->isp_ops->idc_lock(ha); | |
9699 | qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, | |
9700 | QLA8XXX_DEV_FAILED); | |
9701 | ha->isp_ops->idc_unlock(ha); | |
9702 | goto exit_error_recovery; | |
9703 | } | |
2232be0d | 9704 | |
2232be0d | 9705 | clear_bit(AF_FW_RECOVERY, &ha->flags); |
13483730 | 9706 | rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); |
2232be0d LC |
9707 | |
9708 | if (rval != QLA_SUCCESS) { | |
9709 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: " | |
9710 | "FAILED\n", ha->host_no, __func__); | |
37418cc6 | 9711 | qla4xxx_free_irqs(ha); |
82761907 | 9712 | ha->isp_ops->idc_lock(ha); |
2232be0d | 9713 | qla4_8xxx_clear_drv_active(ha); |
33693c7a VC |
9714 | qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, |
9715 | QLA8XXX_DEV_FAILED); | |
82761907 | 9716 | ha->isp_ops->idc_unlock(ha); |
2232be0d LC |
9717 | } else { |
9718 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: " | |
9719 | "READY\n", ha->host_no, __func__); | |
82761907 | 9720 | ha->isp_ops->idc_lock(ha); |
33693c7a VC |
9721 | qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, |
9722 | QLA8XXX_DEV_READY); | |
2232be0d | 9723 | /* Clear driver state register */ |
33693c7a | 9724 | qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DRV_STATE, 0); |
2232be0d | 9725 | qla4_8xxx_set_drv_active(ha); |
82761907 | 9726 | ha->isp_ops->idc_unlock(ha); |
137257da | 9727 | ha->isp_ops->enable_intrs(ha); |
2232be0d | 9728 | } |
2232be0d LC |
9729 | } else { |
9730 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn 0x%x is not " | |
9731 | "the reset owner\n", ha->host_no, __func__, | |
9732 | ha->pdev->devfn); | |
33693c7a VC |
9733 | if ((qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE) == |
9734 | QLA8XXX_DEV_READY)) { | |
2232be0d | 9735 | clear_bit(AF_FW_RECOVERY, &ha->flags); |
13483730 | 9736 | rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); |
137257da PV |
9737 | if (rval == QLA_SUCCESS) |
9738 | ha->isp_ops->enable_intrs(ha); | |
37418cc6 NJ |
9739 | else |
9740 | qla4xxx_free_irqs(ha); | |
137257da | 9741 | |
33693c7a | 9742 | ha->isp_ops->idc_lock(ha); |
2232be0d | 9743 | qla4_8xxx_set_drv_active(ha); |
33693c7a | 9744 | ha->isp_ops->idc_unlock(ha); |
2232be0d LC |
9745 | } |
9746 | } | |
39c95826 | 9747 | exit_error_recovery: |
2232be0d LC |
9748 | clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); |
9749 | return rval; | |
9750 | } | |
9751 | ||
9752 | static pci_ers_result_t | |
9753 | qla4xxx_pci_slot_reset(struct pci_dev *pdev) | |
9754 | { | |
9755 | pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT; | |
9756 | struct scsi_qla_host *ha = pci_get_drvdata(pdev); | |
9757 | int rc; | |
9758 | ||
9759 | ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: slot_reset\n", | |
9760 | ha->host_no, __func__); | |
9761 | ||
9762 | if (!is_aer_supported(ha)) | |
9763 | return PCI_ERS_RESULT_NONE; | |
9764 | ||
9765 | /* Restore the saved state of PCIe device - | |
9766 | * BAR registers, PCI Config space, PCIX, MSI, | |
9767 | * IOV states | |
9768 | */ | |
9769 | pci_restore_state(pdev); | |
9770 | ||
9771 | /* pci_restore_state() clears the saved_state flag of the device | |
9772 | * save restored state which resets saved_state flag | |
9773 | */ | |
9774 | pci_save_state(pdev); | |
9775 | ||
9776 | /* Initialize device or resume if in suspended state */ | |
9777 | rc = pci_enable_device(pdev); | |
9778 | if (rc) { | |
25985edc | 9779 | ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Can't re-enable " |
2232be0d LC |
9780 | "device after reset\n", ha->host_no, __func__); |
9781 | goto exit_slot_reset; | |
9782 | } | |
9783 | ||
7b3595df | 9784 | ha->isp_ops->disable_intrs(ha); |
2232be0d | 9785 | |
6e7b4292 | 9786 | if (is_qla80XX(ha)) { |
2232be0d LC |
9787 | if (qla4_8xxx_error_recovery(ha) == QLA_SUCCESS) { |
9788 | ret = PCI_ERS_RESULT_RECOVERED; | |
9789 | goto exit_slot_reset; | |
9790 | } else | |
9791 | goto exit_slot_reset; | |
9792 | } | |
9793 | ||
9794 | exit_slot_reset: | |
9795 | ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Return=%x\n" | |
9796 | "device after reset\n", ha->host_no, __func__, ret); | |
9797 | return ret; | |
9798 | } | |
9799 | ||
9800 | static void | |
9801 | qla4xxx_pci_resume(struct pci_dev *pdev) | |
9802 | { | |
9803 | struct scsi_qla_host *ha = pci_get_drvdata(pdev); | |
9804 | int ret; | |
9805 | ||
9806 | ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: pci_resume\n", | |
9807 | ha->host_no, __func__); | |
9808 | ||
9809 | ret = qla4xxx_wait_for_hba_online(ha); | |
9810 | if (ret != QLA_SUCCESS) { | |
9811 | ql4_printk(KERN_ERR, ha, "scsi%ld: %s: the device failed to " | |
9812 | "resume I/O from slot/link_reset\n", ha->host_no, | |
9813 | __func__); | |
9814 | } | |
9815 | ||
2232be0d LC |
9816 | clear_bit(AF_EEH_BUSY, &ha->flags); |
9817 | } | |
9818 | ||
a55b2d21 | 9819 | static const struct pci_error_handlers qla4xxx_err_handler = { |
2232be0d LC |
9820 | .error_detected = qla4xxx_pci_error_detected, |
9821 | .mmio_enabled = qla4xxx_pci_mmio_enabled, | |
9822 | .slot_reset = qla4xxx_pci_slot_reset, | |
9823 | .resume = qla4xxx_pci_resume, | |
9824 | }; | |
9825 | ||
afaf5a2d DS |
9826 | static struct pci_device_id qla4xxx_pci_tbl[] = { |
9827 | { | |
9828 | .vendor = PCI_VENDOR_ID_QLOGIC, | |
9829 | .device = PCI_DEVICE_ID_QLOGIC_ISP4010, | |
9830 | .subvendor = PCI_ANY_ID, | |
9831 | .subdevice = PCI_ANY_ID, | |
9832 | }, | |
9833 | { | |
9834 | .vendor = PCI_VENDOR_ID_QLOGIC, | |
9835 | .device = PCI_DEVICE_ID_QLOGIC_ISP4022, | |
9836 | .subvendor = PCI_ANY_ID, | |
9837 | .subdevice = PCI_ANY_ID, | |
9838 | }, | |
d915058f DS |
9839 | { |
9840 | .vendor = PCI_VENDOR_ID_QLOGIC, | |
9841 | .device = PCI_DEVICE_ID_QLOGIC_ISP4032, | |
9842 | .subvendor = PCI_ANY_ID, | |
9843 | .subdevice = PCI_ANY_ID, | |
9844 | }, | |
f4f5df23 VC |
9845 | { |
9846 | .vendor = PCI_VENDOR_ID_QLOGIC, | |
9847 | .device = PCI_DEVICE_ID_QLOGIC_ISP8022, | |
9848 | .subvendor = PCI_ANY_ID, | |
9849 | .subdevice = PCI_ANY_ID, | |
9850 | }, | |
6e7b4292 VC |
9851 | { |
9852 | .vendor = PCI_VENDOR_ID_QLOGIC, | |
9853 | .device = PCI_DEVICE_ID_QLOGIC_ISP8324, | |
9854 | .subvendor = PCI_ANY_ID, | |
9855 | .subdevice = PCI_ANY_ID, | |
9856 | }, | |
b37ca418 VC |
9857 | { |
9858 | .vendor = PCI_VENDOR_ID_QLOGIC, | |
9859 | .device = PCI_DEVICE_ID_QLOGIC_ISP8042, | |
9860 | .subvendor = PCI_ANY_ID, | |
9861 | .subdevice = PCI_ANY_ID, | |
9862 | }, | |
afaf5a2d DS |
9863 | {0, 0}, |
9864 | }; | |
9865 | MODULE_DEVICE_TABLE(pci, qla4xxx_pci_tbl); | |
9866 | ||
47975477 | 9867 | static struct pci_driver qla4xxx_pci_driver = { |
afaf5a2d DS |
9868 | .name = DRIVER_NAME, |
9869 | .id_table = qla4xxx_pci_tbl, | |
9870 | .probe = qla4xxx_probe_adapter, | |
9871 | .remove = qla4xxx_remove_adapter, | |
2232be0d | 9872 | .err_handler = &qla4xxx_err_handler, |
afaf5a2d DS |
9873 | }; |
9874 | ||
9875 | static int __init qla4xxx_module_init(void) | |
9876 | { | |
9877 | int ret; | |
9878 | ||
c40ecc12 CH |
9879 | if (ql4xqfulltracking) |
9880 | qla4xxx_driver_template.track_queue_depth = 1; | |
9881 | ||
afaf5a2d DS |
9882 | /* Allocate cache for SRBs. */ |
9883 | srb_cachep = kmem_cache_create("qla4xxx_srbs", sizeof(struct srb), 0, | |
20c2df83 | 9884 | SLAB_HWCACHE_ALIGN, NULL); |
afaf5a2d DS |
9885 | if (srb_cachep == NULL) { |
9886 | printk(KERN_ERR | |
9887 | "%s: Unable to allocate SRB cache..." | |
9888 | "Failing load!\n", DRIVER_NAME); | |
9889 | ret = -ENOMEM; | |
9890 | goto no_srp_cache; | |
9891 | } | |
9892 | ||
9893 | /* Derive version string. */ | |
9894 | strcpy(qla4xxx_version_str, QLA4XXX_DRIVER_VERSION); | |
11010fec | 9895 | if (ql4xextended_error_logging) |
afaf5a2d DS |
9896 | strcat(qla4xxx_version_str, "-debug"); |
9897 | ||
9898 | qla4xxx_scsi_transport = | |
9899 | iscsi_register_transport(&qla4xxx_iscsi_transport); | |
9900 | if (!qla4xxx_scsi_transport){ | |
9901 | ret = -ENODEV; | |
9902 | goto release_srb_cache; | |
9903 | } | |
9904 | ||
afaf5a2d DS |
9905 | ret = pci_register_driver(&qla4xxx_pci_driver); |
9906 | if (ret) | |
9907 | goto unregister_transport; | |
9908 | ||
9909 | printk(KERN_INFO "QLogic iSCSI HBA Driver\n"); | |
9910 | return 0; | |
5ae16db3 | 9911 | |
afaf5a2d DS |
9912 | unregister_transport: |
9913 | iscsi_unregister_transport(&qla4xxx_iscsi_transport); | |
9914 | release_srb_cache: | |
9915 | kmem_cache_destroy(srb_cachep); | |
9916 | no_srp_cache: | |
9917 | return ret; | |
9918 | } | |
9919 | ||
9920 | static void __exit qla4xxx_module_exit(void) | |
9921 | { | |
9922 | pci_unregister_driver(&qla4xxx_pci_driver); | |
9923 | iscsi_unregister_transport(&qla4xxx_iscsi_transport); | |
9924 | kmem_cache_destroy(srb_cachep); | |
9925 | } | |
9926 | ||
9927 | module_init(qla4xxx_module_init); | |
9928 | module_exit(qla4xxx_module_exit); | |
9929 | ||
9930 | MODULE_AUTHOR("QLogic Corporation"); | |
9931 | MODULE_DESCRIPTION("QLogic iSCSI HBA Driver"); | |
9932 | MODULE_LICENSE("GPL"); | |
9933 | MODULE_VERSION(QLA4XXX_DRIVER_VERSION); |