2 * QLogic iSCSI HBA Driver
3 * Copyright (c) 2003-2013 QLogic Corporation
5 * See LICENSE.qla4xxx for copyright and licensing details.
7 #include <linux/moduleparam.h>
8 #include <linux/slab.h>
9 #include <linux/blkdev.h>
10 #include <linux/iscsi_boot_sysfs.h>
11 #include <linux/inet.h>
13 #include <scsi/scsi_tcq.h>
14 #include <scsi/scsicam.h>
17 #include "ql4_version.h"
20 #include "ql4_inline.h"
26 static char qla4xxx_version_str
[40];
29 * SRB allocation cache
31 static struct kmem_cache
*srb_cachep
;
34 * Module parameter information and variables
36 static int ql4xdisablesysfsboot
= 1;
37 module_param(ql4xdisablesysfsboot
, int, S_IRUGO
| S_IWUSR
);
38 MODULE_PARM_DESC(ql4xdisablesysfsboot
,
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)");
44 module_param(ql4xdontresethba
, int, S_IRUGO
| S_IWUSR
);
45 MODULE_PARM_DESC(ql4xdontresethba
,
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");
50 int ql4xextended_error_logging
;
51 module_param(ql4xextended_error_logging
, int, S_IRUGO
| S_IWUSR
);
52 MODULE_PARM_DESC(ql4xextended_error_logging
,
53 " Option to enable extended error logging.\n"
54 "\t\t 0 - no logging (Default)\n"
55 "\t\t 2 - debug logging");
57 int ql4xenablemsix
= 1;
58 module_param(ql4xenablemsix
, int, S_IRUGO
|S_IWUSR
);
59 MODULE_PARM_DESC(ql4xenablemsix
,
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.");
65 #define QL4_DEF_QDEPTH 32
66 static int ql4xmaxqdepth
= QL4_DEF_QDEPTH
;
67 module_param(ql4xmaxqdepth
, int, S_IRUGO
| S_IWUSR
);
68 MODULE_PARM_DESC(ql4xmaxqdepth
,
69 " Maximum queue depth to report for target devices.\n"
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"
78 "\t\t 1 - Enable. (Default)");
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
,
83 " Target Session Recovery Timeout.\n"
84 "\t\t Default: 120 sec.");
86 int ql4xmdcapmask
= 0x1F;
87 module_param(ql4xmdcapmask
, int, S_IRUGO
);
88 MODULE_PARM_DESC(ql4xmdcapmask
,
89 " Set the Minidump driver capture mask level.\n"
90 "\t\t Default is 0x1F.\n"
91 "\t\t Can be set to 0x3, 0x7, 0xF, 0x1F, 0x3F, 0x7F");
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)");
100 static int qla4xxx_wait_for_hba_online(struct scsi_qla_host
*ha
);
102 * SCSI host template entry points
104 static void qla4xxx_config_dma_addressing(struct scsi_qla_host
*ha
);
107 * iSCSI template entry points
109 static int qla4xxx_session_get_param(struct iscsi_cls_session
*cls_sess
,
110 enum iscsi_param param
, char *buf
);
111 static int qla4xxx_conn_get_param(struct iscsi_cls_conn
*conn
,
112 enum iscsi_param param
, char *buf
);
113 static int qla4xxx_host_get_param(struct Scsi_Host
*shost
,
114 enum iscsi_host_param param
, char *buf
);
115 static int qla4xxx_iface_set_param(struct Scsi_Host
*shost
, void *data
,
117 static int qla4xxx_get_iface_param(struct iscsi_iface
*iface
,
118 enum iscsi_param_type param_type
,
119 int param
, char *buf
);
120 static enum blk_eh_timer_return
qla4xxx_eh_cmd_timed_out(struct scsi_cmnd
*sc
);
121 static struct iscsi_endpoint
*qla4xxx_ep_connect(struct Scsi_Host
*shost
,
122 struct sockaddr
*dst_addr
,
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
);
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
);
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
);
154 * SCSI host template entry points
156 static int qla4xxx_queuecommand(struct Scsi_Host
*h
, struct scsi_cmnd
*cmd
);
157 static int qla4xxx_eh_abort(struct scsi_cmnd
*cmd
);
158 static int qla4xxx_eh_device_reset(struct scsi_cmnd
*cmd
);
159 static int qla4xxx_eh_target_reset(struct scsi_cmnd
*cmd
);
160 static int qla4xxx_eh_host_reset(struct scsi_cmnd
*cmd
);
161 static int qla4xxx_slave_alloc(struct scsi_device
*device
);
162 static int qla4xxx_slave_configure(struct scsi_device
*device
);
163 static void qla4xxx_slave_destroy(struct scsi_device
*sdev
);
164 static umode_t
qla4_attr_is_visible(int param_type
, int param
);
165 static int qla4xxx_host_reset(struct Scsi_Host
*shost
, int reset_type
);
166 static int qla4xxx_change_queue_depth(struct scsi_device
*sdev
, int qdepth
,
170 * iSCSI Flash DDB sysfs entry points
173 qla4xxx_sysfs_ddb_set_param(struct iscsi_bus_flash_session
*fnode_sess
,
174 struct iscsi_bus_flash_conn
*fnode_conn
,
175 void *data
, int len
);
177 qla4xxx_sysfs_ddb_get_param(struct iscsi_bus_flash_session
*fnode_sess
,
178 int param
, char *buf
);
179 static int qla4xxx_sysfs_ddb_add(struct Scsi_Host
*shost
, const char *buf
,
182 qla4xxx_sysfs_ddb_delete(struct iscsi_bus_flash_session
*fnode_sess
);
183 static int qla4xxx_sysfs_ddb_login(struct iscsi_bus_flash_session
*fnode_sess
,
184 struct iscsi_bus_flash_conn
*fnode_conn
);
185 static int qla4xxx_sysfs_ddb_logout(struct iscsi_bus_flash_session
*fnode_sess
,
186 struct iscsi_bus_flash_conn
*fnode_conn
);
187 static int qla4xxx_sysfs_ddb_logout_sid(struct iscsi_cls_session
*cls_sess
);
189 static struct qla4_8xxx_legacy_intr_set legacy_intr
[] =
190 QLA82XX_LEGACY_INTR_CONFIG
;
192 static struct scsi_host_template qla4xxx_driver_template
= {
193 .module
= THIS_MODULE
,
195 .proc_name
= DRIVER_NAME
,
196 .queuecommand
= qla4xxx_queuecommand
,
198 .eh_abort_handler
= qla4xxx_eh_abort
,
199 .eh_device_reset_handler
= qla4xxx_eh_device_reset
,
200 .eh_target_reset_handler
= qla4xxx_eh_target_reset
,
201 .eh_host_reset_handler
= qla4xxx_eh_host_reset
,
202 .eh_timed_out
= qla4xxx_eh_cmd_timed_out
,
204 .slave_configure
= qla4xxx_slave_configure
,
205 .slave_alloc
= qla4xxx_slave_alloc
,
206 .slave_destroy
= qla4xxx_slave_destroy
,
207 .change_queue_depth
= qla4xxx_change_queue_depth
,
211 .use_clustering
= ENABLE_CLUSTERING
,
212 .sg_tablesize
= SG_ALL
,
214 .max_sectors
= 0xFFFF,
215 .shost_attrs
= qla4xxx_host_attrs
,
216 .host_reset
= qla4xxx_host_reset
,
217 .vendor_id
= SCSI_NL_VID_TYPE_PCI
| PCI_VENDOR_ID_QLOGIC
,
220 static struct iscsi_transport qla4xxx_iscsi_transport
= {
221 .owner
= THIS_MODULE
,
223 .caps
= CAP_TEXT_NEGO
|
224 CAP_DATA_PATH_OFFLOAD
| CAP_HDRDGST
|
225 CAP_DATADGST
| CAP_LOGIN_OFFLOAD
|
227 .attr_is_visible
= qla4_attr_is_visible
,
228 .create_session
= qla4xxx_session_create
,
229 .destroy_session
= qla4xxx_session_destroy
,
230 .start_conn
= qla4xxx_conn_start
,
231 .create_conn
= qla4xxx_conn_create
,
232 .bind_conn
= qla4xxx_conn_bind
,
233 .stop_conn
= iscsi_conn_stop
,
234 .destroy_conn
= qla4xxx_conn_destroy
,
235 .set_param
= iscsi_set_param
,
236 .get_conn_param
= qla4xxx_conn_get_param
,
237 .get_session_param
= qla4xxx_session_get_param
,
238 .get_ep_param
= qla4xxx_get_ep_param
,
239 .ep_connect
= qla4xxx_ep_connect
,
240 .ep_poll
= qla4xxx_ep_poll
,
241 .ep_disconnect
= qla4xxx_ep_disconnect
,
242 .get_stats
= qla4xxx_conn_get_stats
,
243 .send_pdu
= iscsi_conn_send_pdu
,
244 .xmit_task
= qla4xxx_task_xmit
,
245 .cleanup_task
= qla4xxx_task_cleanup
,
246 .alloc_pdu
= qla4xxx_alloc_pdu
,
248 .get_host_param
= qla4xxx_host_get_param
,
249 .set_iface_param
= qla4xxx_iface_set_param
,
250 .get_iface_param
= qla4xxx_get_iface_param
,
251 .bsg_request
= qla4xxx_bsg_request
,
252 .send_ping
= qla4xxx_send_ping
,
253 .get_chap
= qla4xxx_get_chap_list
,
254 .delete_chap
= qla4xxx_delete_chap
,
255 .get_flashnode_param
= qla4xxx_sysfs_ddb_get_param
,
256 .set_flashnode_param
= qla4xxx_sysfs_ddb_set_param
,
257 .new_flashnode
= qla4xxx_sysfs_ddb_add
,
258 .del_flashnode
= qla4xxx_sysfs_ddb_delete
,
259 .login_flashnode
= qla4xxx_sysfs_ddb_login
,
260 .logout_flashnode
= qla4xxx_sysfs_ddb_logout
,
261 .logout_flashnode_sid
= qla4xxx_sysfs_ddb_logout_sid
,
264 static struct scsi_transport_template
*qla4xxx_scsi_transport
;
266 static int qla4xxx_send_ping(struct Scsi_Host
*shost
, uint32_t iface_num
,
267 uint32_t iface_type
, uint32_t payload_size
,
268 uint32_t pid
, struct sockaddr
*dst_addr
)
270 struct scsi_qla_host
*ha
= to_qla_host(shost
);
271 struct sockaddr_in
*addr
;
272 struct sockaddr_in6
*addr6
;
273 uint32_t options
= 0;
274 uint8_t ipaddr
[IPv6_ADDR_LEN
];
277 memset(ipaddr
, 0, IPv6_ADDR_LEN
);
279 if ((iface_type
== ISCSI_IFACE_TYPE_IPV4
) &&
280 (dst_addr
->sa_family
== AF_INET
)) {
281 addr
= (struct sockaddr_in
*)dst_addr
;
282 memcpy(ipaddr
, &addr
->sin_addr
.s_addr
, IP_ADDR_LEN
);
283 DEBUG2(ql4_printk(KERN_INFO
, ha
, "%s: IPv4 Ping src: %pI4 "
284 "dest: %pI4\n", __func__
,
285 &ha
->ip_config
.ip_address
, ipaddr
));
286 rval
= qla4xxx_ping_iocb(ha
, options
, payload_size
, pid
,
290 } else if ((iface_type
== ISCSI_IFACE_TYPE_IPV6
) &&
291 (dst_addr
->sa_family
== AF_INET6
)) {
293 addr6
= (struct sockaddr_in6
*)dst_addr
;
294 memcpy(ipaddr
, &addr6
->sin6_addr
.in6_u
.u6_addr8
, IPv6_ADDR_LEN
);
296 options
|= PING_IPV6_PROTOCOL_ENABLE
;
298 /* Ping using LinkLocal address */
299 if ((iface_num
== 0) || (iface_num
== 1)) {
300 DEBUG2(ql4_printk(KERN_INFO
, ha
, "%s: LinkLocal Ping "
301 "src: %pI6 dest: %pI6\n", __func__
,
302 &ha
->ip_config
.ipv6_link_local_addr
,
304 options
|= PING_IPV6_LINKLOCAL_ADDR
;
305 rval
= qla4xxx_ping_iocb(ha
, options
, payload_size
,
308 ql4_printk(KERN_WARNING
, ha
, "%s: iface num = %d "
309 "not supported\n", __func__
, iface_num
);
315 * If ping using LinkLocal address fails, try ping using
318 if (rval
!= QLA_SUCCESS
) {
319 options
&= ~PING_IPV6_LINKLOCAL_ADDR
;
320 if (iface_num
== 0) {
321 options
|= PING_IPV6_ADDR0
;
322 DEBUG2(ql4_printk(KERN_INFO
, ha
, "%s: IPv6 "
324 "dest: %pI6\n", __func__
,
325 &ha
->ip_config
.ipv6_addr0
,
327 } else if (iface_num
== 1) {
328 options
|= PING_IPV6_ADDR1
;
329 DEBUG2(ql4_printk(KERN_INFO
, ha
, "%s: IPv6 "
331 "dest: %pI6\n", __func__
,
332 &ha
->ip_config
.ipv6_addr1
,
335 rval
= qla4xxx_ping_iocb(ha
, options
, payload_size
,
346 static umode_t
qla4_attr_is_visible(int param_type
, int param
)
348 switch (param_type
) {
349 case ISCSI_HOST_PARAM
:
351 case ISCSI_HOST_PARAM_HWADDRESS
:
352 case ISCSI_HOST_PARAM_IPADDRESS
:
353 case ISCSI_HOST_PARAM_INITIATOR_NAME
:
354 case ISCSI_HOST_PARAM_PORT_STATE
:
355 case ISCSI_HOST_PARAM_PORT_SPEED
:
362 case ISCSI_PARAM_PERSISTENT_ADDRESS
:
363 case ISCSI_PARAM_PERSISTENT_PORT
:
364 case ISCSI_PARAM_CONN_ADDRESS
:
365 case ISCSI_PARAM_CONN_PORT
:
366 case ISCSI_PARAM_TARGET_NAME
:
367 case ISCSI_PARAM_TPGT
:
368 case ISCSI_PARAM_TARGET_ALIAS
:
369 case ISCSI_PARAM_MAX_BURST
:
370 case ISCSI_PARAM_MAX_R2T
:
371 case ISCSI_PARAM_FIRST_BURST
:
372 case ISCSI_PARAM_MAX_RECV_DLENGTH
:
373 case ISCSI_PARAM_MAX_XMIT_DLENGTH
:
374 case ISCSI_PARAM_IFACE_NAME
:
375 case ISCSI_PARAM_CHAP_OUT_IDX
:
376 case ISCSI_PARAM_CHAP_IN_IDX
:
377 case ISCSI_PARAM_USERNAME
:
378 case ISCSI_PARAM_PASSWORD
:
379 case ISCSI_PARAM_USERNAME_IN
:
380 case ISCSI_PARAM_PASSWORD_IN
:
381 case ISCSI_PARAM_AUTO_SND_TGT_DISABLE
:
382 case ISCSI_PARAM_DISCOVERY_SESS
:
383 case ISCSI_PARAM_PORTAL_TYPE
:
384 case ISCSI_PARAM_CHAP_AUTH_EN
:
385 case ISCSI_PARAM_DISCOVERY_LOGOUT_EN
:
386 case ISCSI_PARAM_BIDI_CHAP_EN
:
387 case ISCSI_PARAM_DISCOVERY_AUTH_OPTIONAL
:
388 case ISCSI_PARAM_DEF_TIME2WAIT
:
389 case ISCSI_PARAM_DEF_TIME2RETAIN
:
390 case ISCSI_PARAM_HDRDGST_EN
:
391 case ISCSI_PARAM_DATADGST_EN
:
392 case ISCSI_PARAM_INITIAL_R2T_EN
:
393 case ISCSI_PARAM_IMM_DATA_EN
:
394 case ISCSI_PARAM_PDU_INORDER_EN
:
395 case ISCSI_PARAM_DATASEQ_INORDER_EN
:
396 case ISCSI_PARAM_MAX_SEGMENT_SIZE
:
397 case ISCSI_PARAM_TCP_TIMESTAMP_STAT
:
398 case ISCSI_PARAM_TCP_WSF_DISABLE
:
399 case ISCSI_PARAM_TCP_NAGLE_DISABLE
:
400 case ISCSI_PARAM_TCP_TIMER_SCALE
:
401 case ISCSI_PARAM_TCP_TIMESTAMP_EN
:
402 case ISCSI_PARAM_TCP_XMIT_WSF
:
403 case ISCSI_PARAM_TCP_RECV_WSF
:
404 case ISCSI_PARAM_IP_FRAGMENT_DISABLE
:
405 case ISCSI_PARAM_IPV4_TOS
:
406 case ISCSI_PARAM_IPV6_TC
:
407 case ISCSI_PARAM_IPV6_FLOW_LABEL
:
408 case ISCSI_PARAM_IS_FW_ASSIGNED_IPV6
:
409 case ISCSI_PARAM_KEEPALIVE_TMO
:
410 case ISCSI_PARAM_LOCAL_PORT
:
411 case ISCSI_PARAM_ISID
:
412 case ISCSI_PARAM_TSID
:
413 case ISCSI_PARAM_DEF_TASKMGMT_TMO
:
414 case ISCSI_PARAM_ERL
:
415 case ISCSI_PARAM_STATSN
:
416 case ISCSI_PARAM_EXP_STATSN
:
417 case ISCSI_PARAM_DISCOVERY_PARENT_IDX
:
418 case ISCSI_PARAM_DISCOVERY_PARENT_TYPE
:
423 case ISCSI_NET_PARAM
:
425 case ISCSI_NET_PARAM_IPV4_ADDR
:
426 case ISCSI_NET_PARAM_IPV4_SUBNET
:
427 case ISCSI_NET_PARAM_IPV4_GW
:
428 case ISCSI_NET_PARAM_IPV4_BOOTPROTO
:
429 case ISCSI_NET_PARAM_IFACE_ENABLE
:
430 case ISCSI_NET_PARAM_IPV6_LINKLOCAL
:
431 case ISCSI_NET_PARAM_IPV6_ADDR
:
432 case ISCSI_NET_PARAM_IPV6_ROUTER
:
433 case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG
:
434 case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG
:
435 case ISCSI_NET_PARAM_VLAN_ID
:
436 case ISCSI_NET_PARAM_VLAN_PRIORITY
:
437 case ISCSI_NET_PARAM_VLAN_ENABLED
:
438 case ISCSI_NET_PARAM_MTU
:
439 case ISCSI_NET_PARAM_PORT
:
444 case ISCSI_FLASHNODE_PARAM
:
446 case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6
:
447 case ISCSI_FLASHNODE_PORTAL_TYPE
:
448 case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE
:
449 case ISCSI_FLASHNODE_DISCOVERY_SESS
:
450 case ISCSI_FLASHNODE_ENTRY_EN
:
451 case ISCSI_FLASHNODE_HDR_DGST_EN
:
452 case ISCSI_FLASHNODE_DATA_DGST_EN
:
453 case ISCSI_FLASHNODE_IMM_DATA_EN
:
454 case ISCSI_FLASHNODE_INITIAL_R2T_EN
:
455 case ISCSI_FLASHNODE_DATASEQ_INORDER
:
456 case ISCSI_FLASHNODE_PDU_INORDER
:
457 case ISCSI_FLASHNODE_CHAP_AUTH_EN
:
458 case ISCSI_FLASHNODE_SNACK_REQ_EN
:
459 case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN
:
460 case ISCSI_FLASHNODE_BIDI_CHAP_EN
:
461 case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL
:
462 case ISCSI_FLASHNODE_ERL
:
463 case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT
:
464 case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE
:
465 case ISCSI_FLASHNODE_TCP_WSF_DISABLE
:
466 case ISCSI_FLASHNODE_TCP_TIMER_SCALE
:
467 case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN
:
468 case ISCSI_FLASHNODE_IP_FRAG_DISABLE
:
469 case ISCSI_FLASHNODE_MAX_RECV_DLENGTH
:
470 case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH
:
471 case ISCSI_FLASHNODE_FIRST_BURST
:
472 case ISCSI_FLASHNODE_DEF_TIME2WAIT
:
473 case ISCSI_FLASHNODE_DEF_TIME2RETAIN
:
474 case ISCSI_FLASHNODE_MAX_R2T
:
475 case ISCSI_FLASHNODE_KEEPALIVE_TMO
:
476 case ISCSI_FLASHNODE_ISID
:
477 case ISCSI_FLASHNODE_TSID
:
478 case ISCSI_FLASHNODE_PORT
:
479 case ISCSI_FLASHNODE_MAX_BURST
:
480 case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO
:
481 case ISCSI_FLASHNODE_IPADDR
:
482 case ISCSI_FLASHNODE_ALIAS
:
483 case ISCSI_FLASHNODE_REDIRECT_IPADDR
:
484 case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE
:
485 case ISCSI_FLASHNODE_LOCAL_PORT
:
486 case ISCSI_FLASHNODE_IPV4_TOS
:
487 case ISCSI_FLASHNODE_IPV6_TC
:
488 case ISCSI_FLASHNODE_IPV6_FLOW_LABEL
:
489 case ISCSI_FLASHNODE_NAME
:
490 case ISCSI_FLASHNODE_TPGT
:
491 case ISCSI_FLASHNODE_LINK_LOCAL_IPV6
:
492 case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX
:
493 case ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE
:
494 case ISCSI_FLASHNODE_TCP_XMIT_WSF
:
495 case ISCSI_FLASHNODE_TCP_RECV_WSF
:
496 case ISCSI_FLASHNODE_CHAP_OUT_IDX
:
497 case ISCSI_FLASHNODE_USERNAME
:
498 case ISCSI_FLASHNODE_PASSWORD
:
499 case ISCSI_FLASHNODE_STATSN
:
500 case ISCSI_FLASHNODE_EXP_STATSN
:
501 case ISCSI_FLASHNODE_IS_BOOT_TGT
:
511 static int qla4xxx_get_chap_list(struct Scsi_Host
*shost
, uint16_t chap_tbl_idx
,
512 uint32_t *num_entries
, char *buf
)
514 struct scsi_qla_host
*ha
= to_qla_host(shost
);
515 struct ql4_chap_table
*chap_table
;
516 struct iscsi_chap_rec
*chap_rec
;
517 int max_chap_entries
= 0;
518 int valid_chap_entries
= 0;
522 max_chap_entries
= (ha
->hw
.flt_chap_size
/ 2) /
523 sizeof(struct ql4_chap_table
);
525 max_chap_entries
= MAX_CHAP_ENTRIES_40XX
;
527 ql4_printk(KERN_INFO
, ha
, "%s: num_entries = %d, CHAP idx = %d\n",
528 __func__
, *num_entries
, chap_tbl_idx
);
532 goto exit_get_chap_list
;
535 chap_rec
= (struct iscsi_chap_rec
*) buf
;
536 mutex_lock(&ha
->chap_sem
);
537 for (i
= chap_tbl_idx
; i
< max_chap_entries
; i
++) {
538 chap_table
= (struct ql4_chap_table
*)ha
->chap_list
+ i
;
539 if (chap_table
->cookie
!=
540 __constant_cpu_to_le16(CHAP_VALID_COOKIE
))
543 chap_rec
->chap_tbl_idx
= i
;
544 strncpy(chap_rec
->username
, chap_table
->name
,
545 ISCSI_CHAP_AUTH_NAME_MAX_LEN
);
546 strncpy(chap_rec
->password
, chap_table
->secret
,
547 QL4_CHAP_MAX_SECRET_LEN
);
548 chap_rec
->password_length
= chap_table
->secret_len
;
550 if (chap_table
->flags
& BIT_7
) /* local */
551 chap_rec
->chap_type
= CHAP_TYPE_OUT
;
553 if (chap_table
->flags
& BIT_6
) /* peer */
554 chap_rec
->chap_type
= CHAP_TYPE_IN
;
558 valid_chap_entries
++;
559 if (valid_chap_entries
== *num_entries
)
564 mutex_unlock(&ha
->chap_sem
);
567 ql4_printk(KERN_INFO
, ha
, "%s: Valid CHAP Entries = %d\n",
568 __func__
, valid_chap_entries
);
569 *num_entries
= valid_chap_entries
;
573 static int __qla4xxx_is_chap_active(struct device
*dev
, void *data
)
576 uint16_t *chap_tbl_idx
= (uint16_t *) data
;
577 struct iscsi_cls_session
*cls_session
;
578 struct iscsi_session
*sess
;
579 struct ddb_entry
*ddb_entry
;
581 if (!iscsi_is_session_dev(dev
))
582 goto exit_is_chap_active
;
584 cls_session
= iscsi_dev_to_session(dev
);
585 sess
= cls_session
->dd_data
;
586 ddb_entry
= sess
->dd_data
;
588 if (iscsi_session_chkready(cls_session
))
589 goto exit_is_chap_active
;
591 if (ddb_entry
->chap_tbl_idx
== *chap_tbl_idx
)
598 static int qla4xxx_is_chap_active(struct Scsi_Host
*shost
,
599 uint16_t chap_tbl_idx
)
603 ret
= device_for_each_child(&shost
->shost_gendev
, &chap_tbl_idx
,
604 __qla4xxx_is_chap_active
);
609 static int qla4xxx_delete_chap(struct Scsi_Host
*shost
, uint16_t chap_tbl_idx
)
611 struct scsi_qla_host
*ha
= to_qla_host(shost
);
612 struct ql4_chap_table
*chap_table
;
614 int max_chap_entries
= 0;
619 chap_table
= dma_pool_alloc(ha
->chap_dma_pool
, GFP_KERNEL
, &chap_dma
);
620 if (chap_table
== NULL
)
623 memset(chap_table
, 0, sizeof(struct ql4_chap_table
));
626 max_chap_entries
= (ha
->hw
.flt_chap_size
/ 2) /
627 sizeof(struct ql4_chap_table
);
629 max_chap_entries
= MAX_CHAP_ENTRIES_40XX
;
631 if (chap_tbl_idx
> max_chap_entries
) {
633 goto exit_delete_chap
;
636 /* Check if chap index is in use.
637 * If chap is in use don't delet chap entry */
638 ret
= qla4xxx_is_chap_active(shost
, chap_tbl_idx
);
640 ql4_printk(KERN_INFO
, ha
, "CHAP entry %d is in use, cannot "
641 "delete from flash\n", chap_tbl_idx
);
643 goto exit_delete_chap
;
646 chap_size
= sizeof(struct ql4_chap_table
);
648 offset
= FLASH_CHAP_OFFSET
| (chap_tbl_idx
* chap_size
);
650 offset
= FLASH_RAW_ACCESS_ADDR
+ (ha
->hw
.flt_region_chap
<< 2);
651 /* flt_chap_size is CHAP table size for both ports
652 * so divide it by 2 to calculate the offset for second port
654 if (ha
->port_num
== 1)
655 offset
+= (ha
->hw
.flt_chap_size
/ 2);
656 offset
+= (chap_tbl_idx
* chap_size
);
659 ret
= qla4xxx_get_flash(ha
, chap_dma
, offset
, chap_size
);
660 if (ret
!= QLA_SUCCESS
) {
662 goto exit_delete_chap
;
665 DEBUG2(ql4_printk(KERN_INFO
, ha
, "Chap Cookie: x%x\n",
666 __le16_to_cpu(chap_table
->cookie
)));
668 if (__le16_to_cpu(chap_table
->cookie
) != CHAP_VALID_COOKIE
) {
669 ql4_printk(KERN_ERR
, ha
, "No valid chap entry found\n");
670 goto exit_delete_chap
;
673 chap_table
->cookie
= __constant_cpu_to_le16(0xFFFF);
675 offset
= FLASH_CHAP_OFFSET
|
676 (chap_tbl_idx
* sizeof(struct ql4_chap_table
));
677 ret
= qla4xxx_set_flash(ha
, chap_dma
, offset
, chap_size
,
678 FLASH_OPT_RMW_COMMIT
);
679 if (ret
== QLA_SUCCESS
&& ha
->chap_list
) {
680 mutex_lock(&ha
->chap_sem
);
681 /* Update ha chap_list cache */
682 memcpy((struct ql4_chap_table
*)ha
->chap_list
+ chap_tbl_idx
,
683 chap_table
, sizeof(struct ql4_chap_table
));
684 mutex_unlock(&ha
->chap_sem
);
686 if (ret
!= QLA_SUCCESS
)
690 dma_pool_free(ha
->chap_dma_pool
, chap_table
, chap_dma
);
694 static int qla4xxx_get_iface_param(struct iscsi_iface
*iface
,
695 enum iscsi_param_type param_type
,
696 int param
, char *buf
)
698 struct Scsi_Host
*shost
= iscsi_iface_to_shost(iface
);
699 struct scsi_qla_host
*ha
= to_qla_host(shost
);
702 if (param_type
!= ISCSI_NET_PARAM
)
706 case ISCSI_NET_PARAM_IPV4_ADDR
:
707 len
= sprintf(buf
, "%pI4\n", &ha
->ip_config
.ip_address
);
709 case ISCSI_NET_PARAM_IPV4_SUBNET
:
710 len
= sprintf(buf
, "%pI4\n", &ha
->ip_config
.subnet_mask
);
712 case ISCSI_NET_PARAM_IPV4_GW
:
713 len
= sprintf(buf
, "%pI4\n", &ha
->ip_config
.gateway
);
715 case ISCSI_NET_PARAM_IFACE_ENABLE
:
716 if (iface
->iface_type
== ISCSI_IFACE_TYPE_IPV4
)
717 len
= sprintf(buf
, "%s\n",
718 (ha
->ip_config
.ipv4_options
&
719 IPOPT_IPV4_PROTOCOL_ENABLE
) ?
720 "enabled" : "disabled");
721 else if (iface
->iface_type
== ISCSI_IFACE_TYPE_IPV6
)
722 len
= sprintf(buf
, "%s\n",
723 (ha
->ip_config
.ipv6_options
&
724 IPV6_OPT_IPV6_PROTOCOL_ENABLE
) ?
725 "enabled" : "disabled");
727 case ISCSI_NET_PARAM_IPV4_BOOTPROTO
:
728 len
= sprintf(buf
, "%s\n",
729 (ha
->ip_config
.tcp_options
& TCPOPT_DHCP_ENABLE
) ?
732 case ISCSI_NET_PARAM_IPV6_ADDR
:
733 if (iface
->iface_num
== 0)
734 len
= sprintf(buf
, "%pI6\n", &ha
->ip_config
.ipv6_addr0
);
735 if (iface
->iface_num
== 1)
736 len
= sprintf(buf
, "%pI6\n", &ha
->ip_config
.ipv6_addr1
);
738 case ISCSI_NET_PARAM_IPV6_LINKLOCAL
:
739 len
= sprintf(buf
, "%pI6\n",
740 &ha
->ip_config
.ipv6_link_local_addr
);
742 case ISCSI_NET_PARAM_IPV6_ROUTER
:
743 len
= sprintf(buf
, "%pI6\n",
744 &ha
->ip_config
.ipv6_default_router_addr
);
746 case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG
:
747 len
= sprintf(buf
, "%s\n",
748 (ha
->ip_config
.ipv6_addl_options
&
749 IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE
) ?
752 case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG
:
753 len
= sprintf(buf
, "%s\n",
754 (ha
->ip_config
.ipv6_addl_options
&
755 IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR
) ?
758 case ISCSI_NET_PARAM_VLAN_ID
:
759 if (iface
->iface_type
== ISCSI_IFACE_TYPE_IPV4
)
760 len
= sprintf(buf
, "%d\n",
761 (ha
->ip_config
.ipv4_vlan_tag
&
763 else if (iface
->iface_type
== ISCSI_IFACE_TYPE_IPV6
)
764 len
= sprintf(buf
, "%d\n",
765 (ha
->ip_config
.ipv6_vlan_tag
&
768 case ISCSI_NET_PARAM_VLAN_PRIORITY
:
769 if (iface
->iface_type
== ISCSI_IFACE_TYPE_IPV4
)
770 len
= sprintf(buf
, "%d\n",
771 ((ha
->ip_config
.ipv4_vlan_tag
>> 13) &
772 ISCSI_MAX_VLAN_PRIORITY
));
773 else if (iface
->iface_type
== ISCSI_IFACE_TYPE_IPV6
)
774 len
= sprintf(buf
, "%d\n",
775 ((ha
->ip_config
.ipv6_vlan_tag
>> 13) &
776 ISCSI_MAX_VLAN_PRIORITY
));
778 case ISCSI_NET_PARAM_VLAN_ENABLED
:
779 if (iface
->iface_type
== ISCSI_IFACE_TYPE_IPV4
)
780 len
= sprintf(buf
, "%s\n",
781 (ha
->ip_config
.ipv4_options
&
782 IPOPT_VLAN_TAGGING_ENABLE
) ?
783 "enabled" : "disabled");
784 else if (iface
->iface_type
== ISCSI_IFACE_TYPE_IPV6
)
785 len
= sprintf(buf
, "%s\n",
786 (ha
->ip_config
.ipv6_options
&
787 IPV6_OPT_VLAN_TAGGING_ENABLE
) ?
788 "enabled" : "disabled");
790 case ISCSI_NET_PARAM_MTU
:
791 len
= sprintf(buf
, "%d\n", ha
->ip_config
.eth_mtu_size
);
793 case ISCSI_NET_PARAM_PORT
:
794 if (iface
->iface_type
== ISCSI_IFACE_TYPE_IPV4
)
795 len
= sprintf(buf
, "%d\n", ha
->ip_config
.ipv4_port
);
796 else if (iface
->iface_type
== ISCSI_IFACE_TYPE_IPV6
)
797 len
= sprintf(buf
, "%d\n", ha
->ip_config
.ipv6_port
);
806 static struct iscsi_endpoint
*
807 qla4xxx_ep_connect(struct Scsi_Host
*shost
, struct sockaddr
*dst_addr
,
811 struct iscsi_endpoint
*ep
;
812 struct qla_endpoint
*qla_ep
;
813 struct scsi_qla_host
*ha
;
814 struct sockaddr_in
*addr
;
815 struct sockaddr_in6
*addr6
;
817 DEBUG2(printk(KERN_INFO
"Func: %s\n", __func__
));
820 printk(KERN_ERR
"%s: shost is NULL\n",
825 ha
= iscsi_host_priv(shost
);
827 ep
= iscsi_create_endpoint(sizeof(struct qla_endpoint
));
833 qla_ep
= ep
->dd_data
;
834 memset(qla_ep
, 0, sizeof(struct qla_endpoint
));
835 if (dst_addr
->sa_family
== AF_INET
) {
836 memcpy(&qla_ep
->dst_addr
, dst_addr
, sizeof(struct sockaddr_in
));
837 addr
= (struct sockaddr_in
*)&qla_ep
->dst_addr
;
838 DEBUG2(ql4_printk(KERN_INFO
, ha
, "%s: %pI4\n", __func__
,
839 (char *)&addr
->sin_addr
));
840 } else if (dst_addr
->sa_family
== AF_INET6
) {
841 memcpy(&qla_ep
->dst_addr
, dst_addr
,
842 sizeof(struct sockaddr_in6
));
843 addr6
= (struct sockaddr_in6
*)&qla_ep
->dst_addr
;
844 DEBUG2(ql4_printk(KERN_INFO
, ha
, "%s: %pI6\n", __func__
,
845 (char *)&addr6
->sin6_addr
));
848 qla_ep
->host
= shost
;
853 static int qla4xxx_ep_poll(struct iscsi_endpoint
*ep
, int timeout_ms
)
855 struct qla_endpoint
*qla_ep
;
856 struct scsi_qla_host
*ha
;
859 DEBUG2(printk(KERN_INFO
"Func: %s\n", __func__
));
860 qla_ep
= ep
->dd_data
;
861 ha
= to_qla_host(qla_ep
->host
);
863 if (adapter_up(ha
) && !test_bit(AF_BUILD_DDB_LIST
, &ha
->flags
))
869 static void qla4xxx_ep_disconnect(struct iscsi_endpoint
*ep
)
871 DEBUG2(printk(KERN_INFO
"Func: %s\n", __func__
));
872 iscsi_destroy_endpoint(ep
);
875 static int qla4xxx_get_ep_param(struct iscsi_endpoint
*ep
,
876 enum iscsi_param param
,
879 struct qla_endpoint
*qla_ep
= ep
->dd_data
;
880 struct sockaddr
*dst_addr
;
882 DEBUG2(printk(KERN_INFO
"Func: %s\n", __func__
));
885 case ISCSI_PARAM_CONN_PORT
:
886 case ISCSI_PARAM_CONN_ADDRESS
:
890 dst_addr
= (struct sockaddr
*)&qla_ep
->dst_addr
;
894 return iscsi_conn_get_addr_param((struct sockaddr_storage
*)
895 &qla_ep
->dst_addr
, param
, buf
);
901 static void qla4xxx_conn_get_stats(struct iscsi_cls_conn
*cls_conn
,
902 struct iscsi_stats
*stats
)
904 struct iscsi_session
*sess
;
905 struct iscsi_cls_session
*cls_sess
;
906 struct ddb_entry
*ddb_entry
;
907 struct scsi_qla_host
*ha
;
908 struct ql_iscsi_stats
*ql_iscsi_stats
;
911 dma_addr_t iscsi_stats_dma
;
913 DEBUG2(printk(KERN_INFO
"Func: %s\n", __func__
));
915 cls_sess
= iscsi_conn_to_session(cls_conn
);
916 sess
= cls_sess
->dd_data
;
917 ddb_entry
= sess
->dd_data
;
920 stats_size
= PAGE_ALIGN(sizeof(struct ql_iscsi_stats
));
921 /* Allocate memory */
922 ql_iscsi_stats
= dma_alloc_coherent(&ha
->pdev
->dev
, stats_size
,
923 &iscsi_stats_dma
, GFP_KERNEL
);
924 if (!ql_iscsi_stats
) {
925 ql4_printk(KERN_ERR
, ha
,
926 "Unable to allocate memory for iscsi stats\n");
930 ret
= qla4xxx_get_mgmt_data(ha
, ddb_entry
->fw_ddb_index
, stats_size
,
932 if (ret
!= QLA_SUCCESS
) {
933 ql4_printk(KERN_ERR
, ha
,
934 "Unable to retrieve iscsi stats\n");
939 stats
->txdata_octets
= le64_to_cpu(ql_iscsi_stats
->tx_data_octets
);
940 stats
->rxdata_octets
= le64_to_cpu(ql_iscsi_stats
->rx_data_octets
);
942 stats
->noptx_pdus
= le32_to_cpu(ql_iscsi_stats
->tx_nopout_pdus
);
943 stats
->scsicmd_pdus
= le32_to_cpu(ql_iscsi_stats
->tx_scsi_cmd_pdus
);
944 stats
->tmfcmd_pdus
= le32_to_cpu(ql_iscsi_stats
->tx_tmf_cmd_pdus
);
945 stats
->login_pdus
= le32_to_cpu(ql_iscsi_stats
->tx_login_cmd_pdus
);
946 stats
->text_pdus
= le32_to_cpu(ql_iscsi_stats
->tx_text_cmd_pdus
);
947 stats
->dataout_pdus
= le32_to_cpu(ql_iscsi_stats
->tx_scsi_write_pdus
);
948 stats
->logout_pdus
= le32_to_cpu(ql_iscsi_stats
->tx_logout_cmd_pdus
);
949 stats
->snack_pdus
= le32_to_cpu(ql_iscsi_stats
->tx_snack_req_pdus
);
951 stats
->noprx_pdus
= le32_to_cpu(ql_iscsi_stats
->rx_nopin_pdus
);
952 stats
->scsirsp_pdus
= le32_to_cpu(ql_iscsi_stats
->rx_scsi_resp_pdus
);
953 stats
->tmfrsp_pdus
= le32_to_cpu(ql_iscsi_stats
->rx_tmf_resp_pdus
);
954 stats
->textrsp_pdus
= le32_to_cpu(ql_iscsi_stats
->rx_text_resp_pdus
);
955 stats
->datain_pdus
= le32_to_cpu(ql_iscsi_stats
->rx_scsi_read_pdus
);
956 stats
->logoutrsp_pdus
=
957 le32_to_cpu(ql_iscsi_stats
->rx_logout_resp_pdus
);
958 stats
->r2t_pdus
= le32_to_cpu(ql_iscsi_stats
->rx_r2t_pdus
);
959 stats
->async_pdus
= le32_to_cpu(ql_iscsi_stats
->rx_async_pdus
);
960 stats
->rjt_pdus
= le32_to_cpu(ql_iscsi_stats
->rx_reject_pdus
);
963 dma_free_coherent(&ha
->pdev
->dev
, stats_size
, ql_iscsi_stats
,
969 static enum blk_eh_timer_return
qla4xxx_eh_cmd_timed_out(struct scsi_cmnd
*sc
)
971 struct iscsi_cls_session
*session
;
972 struct iscsi_session
*sess
;
974 enum blk_eh_timer_return ret
= BLK_EH_NOT_HANDLED
;
976 session
= starget_to_session(scsi_target(sc
->device
));
977 sess
= session
->dd_data
;
979 spin_lock_irqsave(&session
->lock
, flags
);
980 if (session
->state
== ISCSI_SESSION_FAILED
)
981 ret
= BLK_EH_RESET_TIMER
;
982 spin_unlock_irqrestore(&session
->lock
, flags
);
987 static void qla4xxx_set_port_speed(struct Scsi_Host
*shost
)
989 struct scsi_qla_host
*ha
= to_qla_host(shost
);
990 struct iscsi_cls_host
*ihost
= shost
->shost_data
;
991 uint32_t speed
= ISCSI_PORT_SPEED_UNKNOWN
;
993 qla4xxx_get_firmware_state(ha
);
995 switch (ha
->addl_fw_state
& 0x0F00) {
996 case FW_ADDSTATE_LINK_SPEED_10MBPS
:
997 speed
= ISCSI_PORT_SPEED_10MBPS
;
999 case FW_ADDSTATE_LINK_SPEED_100MBPS
:
1000 speed
= ISCSI_PORT_SPEED_100MBPS
;
1002 case FW_ADDSTATE_LINK_SPEED_1GBPS
:
1003 speed
= ISCSI_PORT_SPEED_1GBPS
;
1005 case FW_ADDSTATE_LINK_SPEED_10GBPS
:
1006 speed
= ISCSI_PORT_SPEED_10GBPS
;
1009 ihost
->port_speed
= speed
;
1012 static void qla4xxx_set_port_state(struct Scsi_Host
*shost
)
1014 struct scsi_qla_host
*ha
= to_qla_host(shost
);
1015 struct iscsi_cls_host
*ihost
= shost
->shost_data
;
1016 uint32_t state
= ISCSI_PORT_STATE_DOWN
;
1018 if (test_bit(AF_LINK_UP
, &ha
->flags
))
1019 state
= ISCSI_PORT_STATE_UP
;
1021 ihost
->port_state
= state
;
1024 static int qla4xxx_host_get_param(struct Scsi_Host
*shost
,
1025 enum iscsi_host_param param
, char *buf
)
1027 struct scsi_qla_host
*ha
= to_qla_host(shost
);
1031 case ISCSI_HOST_PARAM_HWADDRESS
:
1032 len
= sysfs_format_mac(buf
, ha
->my_mac
, MAC_ADDR_LEN
);
1034 case ISCSI_HOST_PARAM_IPADDRESS
:
1035 len
= sprintf(buf
, "%pI4\n", &ha
->ip_config
.ip_address
);
1037 case ISCSI_HOST_PARAM_INITIATOR_NAME
:
1038 len
= sprintf(buf
, "%s\n", ha
->name_string
);
1040 case ISCSI_HOST_PARAM_PORT_STATE
:
1041 qla4xxx_set_port_state(shost
);
1042 len
= sprintf(buf
, "%s\n", iscsi_get_port_state_name(shost
));
1044 case ISCSI_HOST_PARAM_PORT_SPEED
:
1045 qla4xxx_set_port_speed(shost
);
1046 len
= sprintf(buf
, "%s\n", iscsi_get_port_speed_name(shost
));
1055 static void qla4xxx_create_ipv4_iface(struct scsi_qla_host
*ha
)
1061 ha
->iface_ipv4
= iscsi_create_iface(ha
->host
,
1062 &qla4xxx_iscsi_transport
,
1063 ISCSI_IFACE_TYPE_IPV4
, 0, 0);
1064 if (!ha
->iface_ipv4
)
1065 ql4_printk(KERN_ERR
, ha
, "Could not create IPv4 iSCSI "
1069 static void qla4xxx_create_ipv6_iface(struct scsi_qla_host
*ha
)
1071 if (!ha
->iface_ipv6_0
)
1073 ha
->iface_ipv6_0
= iscsi_create_iface(ha
->host
,
1074 &qla4xxx_iscsi_transport
,
1075 ISCSI_IFACE_TYPE_IPV6
, 0,
1077 if (!ha
->iface_ipv6_0
)
1078 ql4_printk(KERN_ERR
, ha
, "Could not create IPv6 iSCSI "
1081 if (!ha
->iface_ipv6_1
)
1083 ha
->iface_ipv6_1
= iscsi_create_iface(ha
->host
,
1084 &qla4xxx_iscsi_transport
,
1085 ISCSI_IFACE_TYPE_IPV6
, 1,
1087 if (!ha
->iface_ipv6_1
)
1088 ql4_printk(KERN_ERR
, ha
, "Could not create IPv6 iSCSI "
1092 static void qla4xxx_create_ifaces(struct scsi_qla_host
*ha
)
1094 if (ha
->ip_config
.ipv4_options
& IPOPT_IPV4_PROTOCOL_ENABLE
)
1095 qla4xxx_create_ipv4_iface(ha
);
1097 if (ha
->ip_config
.ipv6_options
& IPV6_OPT_IPV6_PROTOCOL_ENABLE
)
1098 qla4xxx_create_ipv6_iface(ha
);
1101 static void qla4xxx_destroy_ipv4_iface(struct scsi_qla_host
*ha
)
1103 if (ha
->iface_ipv4
) {
1104 iscsi_destroy_iface(ha
->iface_ipv4
);
1105 ha
->iface_ipv4
= NULL
;
1109 static void qla4xxx_destroy_ipv6_iface(struct scsi_qla_host
*ha
)
1111 if (ha
->iface_ipv6_0
) {
1112 iscsi_destroy_iface(ha
->iface_ipv6_0
);
1113 ha
->iface_ipv6_0
= NULL
;
1115 if (ha
->iface_ipv6_1
) {
1116 iscsi_destroy_iface(ha
->iface_ipv6_1
);
1117 ha
->iface_ipv6_1
= NULL
;
1121 static void qla4xxx_destroy_ifaces(struct scsi_qla_host
*ha
)
1123 qla4xxx_destroy_ipv4_iface(ha
);
1124 qla4xxx_destroy_ipv6_iface(ha
);
1127 static void qla4xxx_set_ipv6(struct scsi_qla_host
*ha
,
1128 struct iscsi_iface_param_info
*iface_param
,
1129 struct addr_ctrl_blk
*init_fw_cb
)
1132 * iface_num 0 is valid for IPv6 Addr, linklocal, router, autocfg.
1133 * iface_num 1 is valid only for IPv6 Addr.
1135 switch (iface_param
->param
) {
1136 case ISCSI_NET_PARAM_IPV6_ADDR
:
1137 if (iface_param
->iface_num
& 0x1)
1139 memcpy(init_fw_cb
->ipv6_addr1
, iface_param
->value
,
1140 sizeof(init_fw_cb
->ipv6_addr1
));
1143 memcpy(init_fw_cb
->ipv6_addr0
, iface_param
->value
,
1144 sizeof(init_fw_cb
->ipv6_addr0
));
1146 case ISCSI_NET_PARAM_IPV6_LINKLOCAL
:
1147 if (iface_param
->iface_num
& 0x1)
1149 memcpy(init_fw_cb
->ipv6_if_id
, &iface_param
->value
[8],
1150 sizeof(init_fw_cb
->ipv6_if_id
));
1152 case ISCSI_NET_PARAM_IPV6_ROUTER
:
1153 if (iface_param
->iface_num
& 0x1)
1155 memcpy(init_fw_cb
->ipv6_dflt_rtr_addr
, iface_param
->value
,
1156 sizeof(init_fw_cb
->ipv6_dflt_rtr_addr
));
1158 case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG
:
1159 /* Autocfg applies to even interface */
1160 if (iface_param
->iface_num
& 0x1)
1163 if (iface_param
->value
[0] == ISCSI_IPV6_AUTOCFG_DISABLE
)
1164 init_fw_cb
->ipv6_addtl_opts
&=
1166 ~IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE
);
1167 else if (iface_param
->value
[0] == ISCSI_IPV6_AUTOCFG_ND_ENABLE
)
1168 init_fw_cb
->ipv6_addtl_opts
|=
1170 IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE
);
1172 ql4_printk(KERN_ERR
, ha
, "Invalid autocfg setting for "
1175 case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG
:
1176 /* Autocfg applies to even interface */
1177 if (iface_param
->iface_num
& 0x1)
1180 if (iface_param
->value
[0] ==
1181 ISCSI_IPV6_LINKLOCAL_AUTOCFG_ENABLE
)
1182 init_fw_cb
->ipv6_addtl_opts
|= cpu_to_le16(
1183 IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR
);
1184 else if (iface_param
->value
[0] ==
1185 ISCSI_IPV6_LINKLOCAL_AUTOCFG_DISABLE
)
1186 init_fw_cb
->ipv6_addtl_opts
&= cpu_to_le16(
1187 ~IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR
);
1189 ql4_printk(KERN_ERR
, ha
, "Invalid autocfg setting for "
1190 "IPv6 linklocal addr\n");
1192 case ISCSI_NET_PARAM_IPV6_ROUTER_AUTOCFG
:
1193 /* Autocfg applies to even interface */
1194 if (iface_param
->iface_num
& 0x1)
1197 if (iface_param
->value
[0] == ISCSI_IPV6_ROUTER_AUTOCFG_ENABLE
)
1198 memset(init_fw_cb
->ipv6_dflt_rtr_addr
, 0,
1199 sizeof(init_fw_cb
->ipv6_dflt_rtr_addr
));
1201 case ISCSI_NET_PARAM_IFACE_ENABLE
:
1202 if (iface_param
->value
[0] == ISCSI_IFACE_ENABLE
) {
1203 init_fw_cb
->ipv6_opts
|=
1204 cpu_to_le16(IPV6_OPT_IPV6_PROTOCOL_ENABLE
);
1205 qla4xxx_create_ipv6_iface(ha
);
1207 init_fw_cb
->ipv6_opts
&=
1208 cpu_to_le16(~IPV6_OPT_IPV6_PROTOCOL_ENABLE
&
1210 qla4xxx_destroy_ipv6_iface(ha
);
1213 case ISCSI_NET_PARAM_VLAN_TAG
:
1214 if (iface_param
->len
!= sizeof(init_fw_cb
->ipv6_vlan_tag
))
1216 init_fw_cb
->ipv6_vlan_tag
=
1217 cpu_to_be16(*(uint16_t *)iface_param
->value
);
1219 case ISCSI_NET_PARAM_VLAN_ENABLED
:
1220 if (iface_param
->value
[0] == ISCSI_VLAN_ENABLE
)
1221 init_fw_cb
->ipv6_opts
|=
1222 cpu_to_le16(IPV6_OPT_VLAN_TAGGING_ENABLE
);
1224 init_fw_cb
->ipv6_opts
&=
1225 cpu_to_le16(~IPV6_OPT_VLAN_TAGGING_ENABLE
);
1227 case ISCSI_NET_PARAM_MTU
:
1228 init_fw_cb
->eth_mtu_size
=
1229 cpu_to_le16(*(uint16_t *)iface_param
->value
);
1231 case ISCSI_NET_PARAM_PORT
:
1232 /* Autocfg applies to even interface */
1233 if (iface_param
->iface_num
& 0x1)
1236 init_fw_cb
->ipv6_port
=
1237 cpu_to_le16(*(uint16_t *)iface_param
->value
);
1240 ql4_printk(KERN_ERR
, ha
, "Unknown IPv6 param = %d\n",
1241 iface_param
->param
);
1246 static void qla4xxx_set_ipv4(struct scsi_qla_host
*ha
,
1247 struct iscsi_iface_param_info
*iface_param
,
1248 struct addr_ctrl_blk
*init_fw_cb
)
1250 switch (iface_param
->param
) {
1251 case ISCSI_NET_PARAM_IPV4_ADDR
:
1252 memcpy(init_fw_cb
->ipv4_addr
, iface_param
->value
,
1253 sizeof(init_fw_cb
->ipv4_addr
));
1255 case ISCSI_NET_PARAM_IPV4_SUBNET
:
1256 memcpy(init_fw_cb
->ipv4_subnet
, iface_param
->value
,
1257 sizeof(init_fw_cb
->ipv4_subnet
));
1259 case ISCSI_NET_PARAM_IPV4_GW
:
1260 memcpy(init_fw_cb
->ipv4_gw_addr
, iface_param
->value
,
1261 sizeof(init_fw_cb
->ipv4_gw_addr
));
1263 case ISCSI_NET_PARAM_IPV4_BOOTPROTO
:
1264 if (iface_param
->value
[0] == ISCSI_BOOTPROTO_DHCP
)
1265 init_fw_cb
->ipv4_tcp_opts
|=
1266 cpu_to_le16(TCPOPT_DHCP_ENABLE
);
1267 else if (iface_param
->value
[0] == ISCSI_BOOTPROTO_STATIC
)
1268 init_fw_cb
->ipv4_tcp_opts
&=
1269 cpu_to_le16(~TCPOPT_DHCP_ENABLE
);
1271 ql4_printk(KERN_ERR
, ha
, "Invalid IPv4 bootproto\n");
1273 case ISCSI_NET_PARAM_IFACE_ENABLE
:
1274 if (iface_param
->value
[0] == ISCSI_IFACE_ENABLE
) {
1275 init_fw_cb
->ipv4_ip_opts
|=
1276 cpu_to_le16(IPOPT_IPV4_PROTOCOL_ENABLE
);
1277 qla4xxx_create_ipv4_iface(ha
);
1279 init_fw_cb
->ipv4_ip_opts
&=
1280 cpu_to_le16(~IPOPT_IPV4_PROTOCOL_ENABLE
&
1282 qla4xxx_destroy_ipv4_iface(ha
);
1285 case ISCSI_NET_PARAM_VLAN_TAG
:
1286 if (iface_param
->len
!= sizeof(init_fw_cb
->ipv4_vlan_tag
))
1288 init_fw_cb
->ipv4_vlan_tag
=
1289 cpu_to_be16(*(uint16_t *)iface_param
->value
);
1291 case ISCSI_NET_PARAM_VLAN_ENABLED
:
1292 if (iface_param
->value
[0] == ISCSI_VLAN_ENABLE
)
1293 init_fw_cb
->ipv4_ip_opts
|=
1294 cpu_to_le16(IPOPT_VLAN_TAGGING_ENABLE
);
1296 init_fw_cb
->ipv4_ip_opts
&=
1297 cpu_to_le16(~IPOPT_VLAN_TAGGING_ENABLE
);
1299 case ISCSI_NET_PARAM_MTU
:
1300 init_fw_cb
->eth_mtu_size
=
1301 cpu_to_le16(*(uint16_t *)iface_param
->value
);
1303 case ISCSI_NET_PARAM_PORT
:
1304 init_fw_cb
->ipv4_port
=
1305 cpu_to_le16(*(uint16_t *)iface_param
->value
);
1308 ql4_printk(KERN_ERR
, ha
, "Unknown IPv4 param = %d\n",
1309 iface_param
->param
);
1315 qla4xxx_initcb_to_acb(struct addr_ctrl_blk
*init_fw_cb
)
1317 struct addr_ctrl_blk_def
*acb
;
1318 acb
= (struct addr_ctrl_blk_def
*)init_fw_cb
;
1319 memset(acb
->reserved1
, 0, sizeof(acb
->reserved1
));
1320 memset(acb
->reserved2
, 0, sizeof(acb
->reserved2
));
1321 memset(acb
->reserved3
, 0, sizeof(acb
->reserved3
));
1322 memset(acb
->reserved4
, 0, sizeof(acb
->reserved4
));
1323 memset(acb
->reserved5
, 0, sizeof(acb
->reserved5
));
1324 memset(acb
->reserved6
, 0, sizeof(acb
->reserved6
));
1325 memset(acb
->reserved7
, 0, sizeof(acb
->reserved7
));
1326 memset(acb
->reserved8
, 0, sizeof(acb
->reserved8
));
1327 memset(acb
->reserved9
, 0, sizeof(acb
->reserved9
));
1328 memset(acb
->reserved10
, 0, sizeof(acb
->reserved10
));
1329 memset(acb
->reserved11
, 0, sizeof(acb
->reserved11
));
1330 memset(acb
->reserved12
, 0, sizeof(acb
->reserved12
));
1331 memset(acb
->reserved13
, 0, sizeof(acb
->reserved13
));
1332 memset(acb
->reserved14
, 0, sizeof(acb
->reserved14
));
1333 memset(acb
->reserved15
, 0, sizeof(acb
->reserved15
));
1337 qla4xxx_iface_set_param(struct Scsi_Host
*shost
, void *data
, uint32_t len
)
1339 struct scsi_qla_host
*ha
= to_qla_host(shost
);
1341 struct iscsi_iface_param_info
*iface_param
= NULL
;
1342 struct addr_ctrl_blk
*init_fw_cb
= NULL
;
1343 dma_addr_t init_fw_cb_dma
;
1344 uint32_t mbox_cmd
[MBOX_REG_COUNT
];
1345 uint32_t mbox_sts
[MBOX_REG_COUNT
];
1347 struct nlattr
*attr
;
1349 init_fw_cb
= dma_alloc_coherent(&ha
->pdev
->dev
,
1350 sizeof(struct addr_ctrl_blk
),
1351 &init_fw_cb_dma
, GFP_KERNEL
);
1353 ql4_printk(KERN_ERR
, ha
, "%s: Unable to alloc init_cb\n",
1358 memset(init_fw_cb
, 0, sizeof(struct addr_ctrl_blk
));
1359 memset(&mbox_cmd
, 0, sizeof(mbox_cmd
));
1360 memset(&mbox_sts
, 0, sizeof(mbox_sts
));
1362 if (qla4xxx_get_ifcb(ha
, &mbox_cmd
[0], &mbox_sts
[0], init_fw_cb_dma
)) {
1363 ql4_printk(KERN_ERR
, ha
, "%s: get ifcb failed\n", __func__
);
1365 goto exit_init_fw_cb
;
1368 nla_for_each_attr(attr
, data
, len
, rem
) {
1369 iface_param
= nla_data(attr
);
1371 if (iface_param
->param_type
!= ISCSI_NET_PARAM
)
1374 switch (iface_param
->iface_type
) {
1375 case ISCSI_IFACE_TYPE_IPV4
:
1376 switch (iface_param
->iface_num
) {
1378 qla4xxx_set_ipv4(ha
, iface_param
, init_fw_cb
);
1381 /* Cannot have more than one IPv4 interface */
1382 ql4_printk(KERN_ERR
, ha
, "Invalid IPv4 iface "
1384 iface_param
->iface_num
);
1388 case ISCSI_IFACE_TYPE_IPV6
:
1389 switch (iface_param
->iface_num
) {
1392 qla4xxx_set_ipv6(ha
, iface_param
, init_fw_cb
);
1395 /* Cannot have more than two IPv6 interface */
1396 ql4_printk(KERN_ERR
, ha
, "Invalid IPv6 iface "
1398 iface_param
->iface_num
);
1403 ql4_printk(KERN_ERR
, ha
, "Invalid iface type\n");
1408 init_fw_cb
->cookie
= cpu_to_le32(0x11BEAD5A);
1410 rval
= qla4xxx_set_flash(ha
, init_fw_cb_dma
, FLASH_SEGMENT_IFCB
,
1411 sizeof(struct addr_ctrl_blk
),
1412 FLASH_OPT_RMW_COMMIT
);
1413 if (rval
!= QLA_SUCCESS
) {
1414 ql4_printk(KERN_ERR
, ha
, "%s: set flash mbx failed\n",
1417 goto exit_init_fw_cb
;
1420 rval
= qla4xxx_disable_acb(ha
);
1421 if (rval
!= QLA_SUCCESS
) {
1422 ql4_printk(KERN_ERR
, ha
, "%s: disable acb mbx failed\n",
1425 goto exit_init_fw_cb
;
1428 wait_for_completion_timeout(&ha
->disable_acb_comp
,
1429 DISABLE_ACB_TOV
* HZ
);
1431 qla4xxx_initcb_to_acb(init_fw_cb
);
1433 rval
= qla4xxx_set_acb(ha
, &mbox_cmd
[0], &mbox_sts
[0], init_fw_cb_dma
);
1434 if (rval
!= QLA_SUCCESS
) {
1435 ql4_printk(KERN_ERR
, ha
, "%s: set acb mbx failed\n",
1438 goto exit_init_fw_cb
;
1441 memset(init_fw_cb
, 0, sizeof(struct addr_ctrl_blk
));
1442 qla4xxx_update_local_ifcb(ha
, &mbox_cmd
[0], &mbox_sts
[0], init_fw_cb
,
1446 dma_free_coherent(&ha
->pdev
->dev
, sizeof(struct addr_ctrl_blk
),
1447 init_fw_cb
, init_fw_cb_dma
);
1452 static int qla4xxx_session_get_param(struct iscsi_cls_session
*cls_sess
,
1453 enum iscsi_param param
, char *buf
)
1455 struct iscsi_session
*sess
= cls_sess
->dd_data
;
1456 struct ddb_entry
*ddb_entry
= sess
->dd_data
;
1457 struct scsi_qla_host
*ha
= ddb_entry
->ha
;
1462 case ISCSI_PARAM_CHAP_IN_IDX
:
1463 rval
= qla4xxx_get_chap_index(ha
, sess
->username_in
,
1464 sess
->password_in
, BIDI_CHAP
,
1467 len
= sprintf(buf
, "\n");
1469 len
= sprintf(buf
, "%hu\n", idx
);
1471 case ISCSI_PARAM_CHAP_OUT_IDX
:
1472 rval
= qla4xxx_get_chap_index(ha
, sess
->username
,
1473 sess
->password
, LOCAL_CHAP
,
1476 len
= sprintf(buf
, "\n");
1478 len
= sprintf(buf
, "%hu\n", idx
);
1481 return iscsi_session_get_param(cls_sess
, param
, buf
);
1487 static int qla4xxx_conn_get_param(struct iscsi_cls_conn
*cls_conn
,
1488 enum iscsi_param param
, char *buf
)
1490 struct iscsi_conn
*conn
;
1491 struct qla_conn
*qla_conn
;
1492 struct sockaddr
*dst_addr
;
1495 conn
= cls_conn
->dd_data
;
1496 qla_conn
= conn
->dd_data
;
1497 dst_addr
= (struct sockaddr
*)&qla_conn
->qla_ep
->dst_addr
;
1500 case ISCSI_PARAM_CONN_PORT
:
1501 case ISCSI_PARAM_CONN_ADDRESS
:
1502 return iscsi_conn_get_addr_param((struct sockaddr_storage
*)
1503 dst_addr
, param
, buf
);
1505 return iscsi_conn_get_param(cls_conn
, param
, buf
);
1512 int qla4xxx_get_ddb_index(struct scsi_qla_host
*ha
, uint16_t *ddb_index
)
1514 uint32_t mbx_sts
= 0;
1515 uint16_t tmp_ddb_index
;
1519 tmp_ddb_index
= find_first_zero_bit(ha
->ddb_idx_map
, MAX_DDB_ENTRIES
);
1521 if (tmp_ddb_index
>= MAX_DDB_ENTRIES
) {
1522 DEBUG2(ql4_printk(KERN_INFO
, ha
,
1523 "Free DDB index not available\n"));
1525 goto exit_get_ddb_index
;
1528 if (test_and_set_bit(tmp_ddb_index
, ha
->ddb_idx_map
))
1531 DEBUG2(ql4_printk(KERN_INFO
, ha
,
1532 "Found a free DDB index at %d\n", tmp_ddb_index
));
1533 ret
= qla4xxx_req_ddb_entry(ha
, tmp_ddb_index
, &mbx_sts
);
1534 if (ret
== QLA_ERROR
) {
1535 if (mbx_sts
== MBOX_STS_COMMAND_ERROR
) {
1536 ql4_printk(KERN_INFO
, ha
,
1537 "DDB index = %d not available trying next\n",
1541 DEBUG2(ql4_printk(KERN_INFO
, ha
,
1542 "Free FW DDB not available\n"));
1545 *ddb_index
= tmp_ddb_index
;
1551 static int qla4xxx_match_ipaddress(struct scsi_qla_host
*ha
,
1552 struct ddb_entry
*ddb_entry
,
1553 char *existing_ipaddr
,
1556 uint8_t dst_ipaddr
[IPv6_ADDR_LEN
];
1557 char formatted_ipaddr
[DDB_IPADDR_LEN
];
1558 int status
= QLA_SUCCESS
, ret
= 0;
1560 if (ddb_entry
->fw_ddb_entry
.options
& DDB_OPT_IPV6_DEVICE
) {
1561 ret
= in6_pton(user_ipaddr
, strlen(user_ipaddr
), dst_ipaddr
,
1567 ret
= sprintf(formatted_ipaddr
, "%pI6", dst_ipaddr
);
1569 ret
= in4_pton(user_ipaddr
, strlen(user_ipaddr
), dst_ipaddr
,
1575 ret
= sprintf(formatted_ipaddr
, "%pI4", dst_ipaddr
);
1578 if (strcmp(existing_ipaddr
, formatted_ipaddr
))
1585 static int qla4xxx_match_fwdb_session(struct scsi_qla_host
*ha
,
1586 struct iscsi_cls_conn
*cls_conn
)
1588 int idx
= 0, max_ddbs
, rval
;
1589 struct iscsi_cls_session
*cls_sess
= iscsi_conn_to_session(cls_conn
);
1590 struct iscsi_session
*sess
, *existing_sess
;
1591 struct iscsi_conn
*conn
, *existing_conn
;
1592 struct ddb_entry
*ddb_entry
;
1594 sess
= cls_sess
->dd_data
;
1595 conn
= cls_conn
->dd_data
;
1597 if (sess
->targetname
== NULL
||
1598 conn
->persistent_address
== NULL
||
1599 conn
->persistent_port
== 0)
1602 max_ddbs
= is_qla40XX(ha
) ? MAX_DEV_DB_ENTRIES_40XX
:
1605 for (idx
= 0; idx
< max_ddbs
; idx
++) {
1606 ddb_entry
= qla4xxx_lookup_ddb_by_fw_index(ha
, idx
);
1607 if (ddb_entry
== NULL
)
1610 if (ddb_entry
->ddb_type
!= FLASH_DDB
)
1613 existing_sess
= ddb_entry
->sess
->dd_data
;
1614 existing_conn
= ddb_entry
->conn
->dd_data
;
1616 if (existing_sess
->targetname
== NULL
||
1617 existing_conn
->persistent_address
== NULL
||
1618 existing_conn
->persistent_port
== 0)
1621 DEBUG2(ql4_printk(KERN_INFO
, ha
,
1622 "IQN = %s User IQN = %s\n",
1623 existing_sess
->targetname
,
1626 DEBUG2(ql4_printk(KERN_INFO
, ha
,
1627 "IP = %s User IP = %s\n",
1628 existing_conn
->persistent_address
,
1629 conn
->persistent_address
));
1631 DEBUG2(ql4_printk(KERN_INFO
, ha
,
1632 "Port = %d User Port = %d\n",
1633 existing_conn
->persistent_port
,
1634 conn
->persistent_port
));
1636 if (strcmp(existing_sess
->targetname
, sess
->targetname
))
1638 rval
= qla4xxx_match_ipaddress(ha
, ddb_entry
,
1639 existing_conn
->persistent_address
,
1640 conn
->persistent_address
);
1641 if (rval
== QLA_ERROR
)
1643 if (existing_conn
->persistent_port
!= conn
->persistent_port
)
1648 if (idx
== max_ddbs
)
1651 DEBUG2(ql4_printk(KERN_INFO
, ha
,
1652 "Match found in fwdb sessions\n"));
1656 static struct iscsi_cls_session
*
1657 qla4xxx_session_create(struct iscsi_endpoint
*ep
,
1658 uint16_t cmds_max
, uint16_t qdepth
,
1659 uint32_t initial_cmdsn
)
1661 struct iscsi_cls_session
*cls_sess
;
1662 struct scsi_qla_host
*ha
;
1663 struct qla_endpoint
*qla_ep
;
1664 struct ddb_entry
*ddb_entry
;
1666 struct iscsi_session
*sess
;
1667 struct sockaddr
*dst_addr
;
1670 DEBUG2(printk(KERN_INFO
"Func: %s\n", __func__
));
1672 printk(KERN_ERR
"qla4xxx: missing ep.\n");
1676 qla_ep
= ep
->dd_data
;
1677 dst_addr
= (struct sockaddr
*)&qla_ep
->dst_addr
;
1678 ha
= to_qla_host(qla_ep
->host
);
1680 ret
= qla4xxx_get_ddb_index(ha
, &ddb_index
);
1681 if (ret
== QLA_ERROR
)
1684 cls_sess
= iscsi_session_setup(&qla4xxx_iscsi_transport
, qla_ep
->host
,
1685 cmds_max
, sizeof(struct ddb_entry
),
1686 sizeof(struct ql4_task_data
),
1687 initial_cmdsn
, ddb_index
);
1691 sess
= cls_sess
->dd_data
;
1692 ddb_entry
= sess
->dd_data
;
1693 ddb_entry
->fw_ddb_index
= ddb_index
;
1694 ddb_entry
->fw_ddb_device_state
= DDB_DS_NO_CONNECTION_ACTIVE
;
1696 ddb_entry
->sess
= cls_sess
;
1697 ddb_entry
->unblock_sess
= qla4xxx_unblock_ddb
;
1698 ddb_entry
->ddb_change
= qla4xxx_ddb_change
;
1699 cls_sess
->recovery_tmo
= ql4xsess_recovery_tmo
;
1700 ha
->fw_ddb_index_map
[ddb_entry
->fw_ddb_index
] = ddb_entry
;
1706 static void qla4xxx_session_destroy(struct iscsi_cls_session
*cls_sess
)
1708 struct iscsi_session
*sess
;
1709 struct ddb_entry
*ddb_entry
;
1710 struct scsi_qla_host
*ha
;
1711 unsigned long flags
, wtime
;
1712 struct dev_db_entry
*fw_ddb_entry
= NULL
;
1713 dma_addr_t fw_ddb_entry_dma
;
1717 DEBUG2(printk(KERN_INFO
"Func: %s\n", __func__
));
1718 sess
= cls_sess
->dd_data
;
1719 ddb_entry
= sess
->dd_data
;
1722 fw_ddb_entry
= dma_alloc_coherent(&ha
->pdev
->dev
, sizeof(*fw_ddb_entry
),
1723 &fw_ddb_entry_dma
, GFP_KERNEL
);
1724 if (!fw_ddb_entry
) {
1725 ql4_printk(KERN_ERR
, ha
,
1726 "%s: Unable to allocate dma buffer\n", __func__
);
1727 goto destroy_session
;
1730 wtime
= jiffies
+ (HZ
* LOGOUT_TOV
);
1732 ret
= qla4xxx_get_fwddb_entry(ha
, ddb_entry
->fw_ddb_index
,
1733 fw_ddb_entry
, fw_ddb_entry_dma
,
1734 NULL
, NULL
, &ddb_state
, NULL
,
1736 if (ret
== QLA_ERROR
)
1737 goto destroy_session
;
1739 if ((ddb_state
== DDB_DS_NO_CONNECTION_ACTIVE
) ||
1740 (ddb_state
== DDB_DS_SESSION_FAILED
))
1741 goto destroy_session
;
1743 schedule_timeout_uninterruptible(HZ
);
1744 } while ((time_after(wtime
, jiffies
)));
1747 qla4xxx_clear_ddb_entry(ha
, ddb_entry
->fw_ddb_index
);
1749 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
1750 qla4xxx_free_ddb(ha
, ddb_entry
);
1751 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
1753 iscsi_session_teardown(cls_sess
);
1756 dma_free_coherent(&ha
->pdev
->dev
, sizeof(*fw_ddb_entry
),
1757 fw_ddb_entry
, fw_ddb_entry_dma
);
1760 static struct iscsi_cls_conn
*
1761 qla4xxx_conn_create(struct iscsi_cls_session
*cls_sess
, uint32_t conn_idx
)
1763 struct iscsi_cls_conn
*cls_conn
;
1764 struct iscsi_session
*sess
;
1765 struct ddb_entry
*ddb_entry
;
1767 DEBUG2(printk(KERN_INFO
"Func: %s\n", __func__
));
1768 cls_conn
= iscsi_conn_setup(cls_sess
, sizeof(struct qla_conn
),
1773 sess
= cls_sess
->dd_data
;
1774 ddb_entry
= sess
->dd_data
;
1775 ddb_entry
->conn
= cls_conn
;
1780 static int qla4xxx_conn_bind(struct iscsi_cls_session
*cls_session
,
1781 struct iscsi_cls_conn
*cls_conn
,
1782 uint64_t transport_fd
, int is_leading
)
1784 struct iscsi_conn
*conn
;
1785 struct qla_conn
*qla_conn
;
1786 struct iscsi_endpoint
*ep
;
1788 DEBUG2(printk(KERN_INFO
"Func: %s\n", __func__
));
1790 if (iscsi_conn_bind(cls_session
, cls_conn
, is_leading
))
1792 ep
= iscsi_lookup_endpoint(transport_fd
);
1793 conn
= cls_conn
->dd_data
;
1794 qla_conn
= conn
->dd_data
;
1795 qla_conn
->qla_ep
= ep
->dd_data
;
1799 static int qla4xxx_conn_start(struct iscsi_cls_conn
*cls_conn
)
1801 struct iscsi_cls_session
*cls_sess
= iscsi_conn_to_session(cls_conn
);
1802 struct iscsi_session
*sess
;
1803 struct ddb_entry
*ddb_entry
;
1804 struct scsi_qla_host
*ha
;
1805 struct dev_db_entry
*fw_ddb_entry
= NULL
;
1806 dma_addr_t fw_ddb_entry_dma
;
1807 uint32_t mbx_sts
= 0;
1809 int status
= QLA_SUCCESS
;
1811 DEBUG2(printk(KERN_INFO
"Func: %s\n", __func__
));
1812 sess
= cls_sess
->dd_data
;
1813 ddb_entry
= sess
->dd_data
;
1816 /* Check if we have matching FW DDB, if yes then do not
1817 * login to this target. This could cause target to logout previous
1820 ret
= qla4xxx_match_fwdb_session(ha
, cls_conn
);
1821 if (ret
== QLA_SUCCESS
) {
1822 ql4_printk(KERN_INFO
, ha
,
1823 "Session already exist in FW.\n");
1825 goto exit_conn_start
;
1828 fw_ddb_entry
= dma_alloc_coherent(&ha
->pdev
->dev
, sizeof(*fw_ddb_entry
),
1829 &fw_ddb_entry_dma
, GFP_KERNEL
);
1830 if (!fw_ddb_entry
) {
1831 ql4_printk(KERN_ERR
, ha
,
1832 "%s: Unable to allocate dma buffer\n", __func__
);
1834 goto exit_conn_start
;
1837 ret
= qla4xxx_set_param_ddbentry(ha
, ddb_entry
, cls_conn
, &mbx_sts
);
1839 /* If iscsid is stopped and started then no need to do
1840 * set param again since ddb state will be already
1841 * active and FW does not allow set ddb to an
1845 if (ddb_entry
->fw_ddb_device_state
==
1846 DDB_DS_SESSION_ACTIVE
) {
1847 ddb_entry
->unblock_sess(ddb_entry
->sess
);
1848 goto exit_set_param
;
1851 ql4_printk(KERN_ERR
, ha
, "%s: Failed set param for index[%d]\n",
1852 __func__
, ddb_entry
->fw_ddb_index
);
1853 goto exit_conn_start
;
1856 status
= qla4xxx_conn_open(ha
, ddb_entry
->fw_ddb_index
);
1857 if (status
== QLA_ERROR
) {
1858 ql4_printk(KERN_ERR
, ha
, "%s: Login failed: %s\n", __func__
,
1861 goto exit_conn_start
;
1864 if (ddb_entry
->fw_ddb_device_state
== DDB_DS_NO_CONNECTION_ACTIVE
)
1865 ddb_entry
->fw_ddb_device_state
= DDB_DS_LOGIN_IN_PROCESS
;
1867 DEBUG2(printk(KERN_INFO
"%s: DDB state [%d]\n", __func__
,
1868 ddb_entry
->fw_ddb_device_state
));
1875 dma_free_coherent(&ha
->pdev
->dev
, sizeof(*fw_ddb_entry
),
1876 fw_ddb_entry
, fw_ddb_entry_dma
);
1880 static void qla4xxx_conn_destroy(struct iscsi_cls_conn
*cls_conn
)
1882 struct iscsi_cls_session
*cls_sess
= iscsi_conn_to_session(cls_conn
);
1883 struct iscsi_session
*sess
;
1884 struct scsi_qla_host
*ha
;
1885 struct ddb_entry
*ddb_entry
;
1888 DEBUG2(printk(KERN_INFO
"Func: %s\n", __func__
));
1889 sess
= cls_sess
->dd_data
;
1890 ddb_entry
= sess
->dd_data
;
1893 options
= LOGOUT_OPTION_CLOSE_SESSION
;
1894 if (qla4xxx_session_logout_ddb(ha
, ddb_entry
, options
) == QLA_ERROR
)
1895 ql4_printk(KERN_ERR
, ha
, "%s: Logout failed\n", __func__
);
1898 static void qla4xxx_task_work(struct work_struct
*wdata
)
1900 struct ql4_task_data
*task_data
;
1901 struct scsi_qla_host
*ha
;
1902 struct passthru_status
*sts
;
1903 struct iscsi_task
*task
;
1904 struct iscsi_hdr
*hdr
;
1907 struct iscsi_conn
*conn
;
1911 task_data
= container_of(wdata
, struct ql4_task_data
, task_work
);
1913 task
= task_data
->task
;
1914 sts
= &task_data
->sts
;
1915 hdr_len
= sizeof(struct iscsi_hdr
);
1917 DEBUG3(printk(KERN_INFO
"Status returned\n"));
1918 DEBUG3(qla4xxx_dump_buffer(sts
, 64));
1919 DEBUG3(printk(KERN_INFO
"Response buffer"));
1920 DEBUG3(qla4xxx_dump_buffer(task_data
->resp_buffer
, 64));
1924 switch (sts
->completionStatus
) {
1925 case PASSTHRU_STATUS_COMPLETE
:
1926 hdr
= (struct iscsi_hdr
*)task_data
->resp_buffer
;
1927 /* Assign back the itt in hdr, until we use the PREASSIGN_TAG */
1930 data
= task_data
->resp_buffer
+ hdr_len
;
1931 data_len
= task_data
->resp_len
- hdr_len
;
1932 iscsi_complete_pdu(conn
, hdr
, data
, data_len
);
1935 ql4_printk(KERN_ERR
, ha
, "Passthru failed status = 0x%x\n",
1936 sts
->completionStatus
);
1942 static int qla4xxx_alloc_pdu(struct iscsi_task
*task
, uint8_t opcode
)
1944 struct ql4_task_data
*task_data
;
1945 struct iscsi_session
*sess
;
1946 struct ddb_entry
*ddb_entry
;
1947 struct scsi_qla_host
*ha
;
1950 sess
= task
->conn
->session
;
1951 ddb_entry
= sess
->dd_data
;
1953 task_data
= task
->dd_data
;
1954 memset(task_data
, 0, sizeof(struct ql4_task_data
));
1957 ql4_printk(KERN_INFO
, ha
,
1958 "%s: SCSI Commands not implemented\n", __func__
);
1962 hdr_len
= sizeof(struct iscsi_hdr
);
1964 task_data
->task
= task
;
1966 if (task
->data_count
) {
1967 task_data
->data_dma
= dma_map_single(&ha
->pdev
->dev
, task
->data
,
1972 DEBUG2(ql4_printk(KERN_INFO
, ha
, "%s: MaxRecvLen %u, iscsi hrd %d\n",
1973 __func__
, task
->conn
->max_recv_dlength
, hdr_len
));
1975 task_data
->resp_len
= task
->conn
->max_recv_dlength
+ hdr_len
;
1976 task_data
->resp_buffer
= dma_alloc_coherent(&ha
->pdev
->dev
,
1977 task_data
->resp_len
,
1978 &task_data
->resp_dma
,
1980 if (!task_data
->resp_buffer
)
1981 goto exit_alloc_pdu
;
1983 task_data
->req_len
= task
->data_count
+ hdr_len
;
1984 task_data
->req_buffer
= dma_alloc_coherent(&ha
->pdev
->dev
,
1986 &task_data
->req_dma
,
1988 if (!task_data
->req_buffer
)
1989 goto exit_alloc_pdu
;
1991 task
->hdr
= task_data
->req_buffer
;
1993 INIT_WORK(&task_data
->task_work
, qla4xxx_task_work
);
1998 if (task_data
->resp_buffer
)
1999 dma_free_coherent(&ha
->pdev
->dev
, task_data
->resp_len
,
2000 task_data
->resp_buffer
, task_data
->resp_dma
);
2002 if (task_data
->req_buffer
)
2003 dma_free_coherent(&ha
->pdev
->dev
, task_data
->req_len
,
2004 task_data
->req_buffer
, task_data
->req_dma
);
2008 static void qla4xxx_task_cleanup(struct iscsi_task
*task
)
2010 struct ql4_task_data
*task_data
;
2011 struct iscsi_session
*sess
;
2012 struct ddb_entry
*ddb_entry
;
2013 struct scsi_qla_host
*ha
;
2016 hdr_len
= sizeof(struct iscsi_hdr
);
2017 sess
= task
->conn
->session
;
2018 ddb_entry
= sess
->dd_data
;
2020 task_data
= task
->dd_data
;
2022 if (task
->data_count
) {
2023 dma_unmap_single(&ha
->pdev
->dev
, task_data
->data_dma
,
2024 task
->data_count
, PCI_DMA_TODEVICE
);
2027 DEBUG2(ql4_printk(KERN_INFO
, ha
, "%s: MaxRecvLen %u, iscsi hrd %d\n",
2028 __func__
, task
->conn
->max_recv_dlength
, hdr_len
));
2030 dma_free_coherent(&ha
->pdev
->dev
, task_data
->resp_len
,
2031 task_data
->resp_buffer
, task_data
->resp_dma
);
2032 dma_free_coherent(&ha
->pdev
->dev
, task_data
->req_len
,
2033 task_data
->req_buffer
, task_data
->req_dma
);
2037 static int qla4xxx_task_xmit(struct iscsi_task
*task
)
2039 struct scsi_cmnd
*sc
= task
->sc
;
2040 struct iscsi_session
*sess
= task
->conn
->session
;
2041 struct ddb_entry
*ddb_entry
= sess
->dd_data
;
2042 struct scsi_qla_host
*ha
= ddb_entry
->ha
;
2045 return qla4xxx_send_passthru0(task
);
2047 ql4_printk(KERN_INFO
, ha
, "%s: scsi cmd xmit not implemented\n",
2052 static int qla4xxx_copy_from_fwddb_param(struct iscsi_bus_flash_session
*sess
,
2053 struct iscsi_bus_flash_conn
*conn
,
2054 struct dev_db_entry
*fw_ddb_entry
)
2056 unsigned long options
= 0;
2059 options
= le16_to_cpu(fw_ddb_entry
->options
);
2060 conn
->is_fw_assigned_ipv6
= test_bit(OPT_IS_FW_ASSIGNED_IPV6
, &options
);
2061 if (test_bit(OPT_IPV6_DEVICE
, &options
)) {
2062 rc
= iscsi_switch_str_param(&sess
->portal_type
,
2067 rc
= iscsi_switch_str_param(&sess
->portal_type
,
2073 sess
->auto_snd_tgt_disable
= test_bit(OPT_AUTO_SENDTGTS_DISABLE
,
2075 sess
->discovery_sess
= test_bit(OPT_DISC_SESSION
, &options
);
2076 sess
->entry_state
= test_bit(OPT_ENTRY_STATE
, &options
);
2078 options
= le16_to_cpu(fw_ddb_entry
->iscsi_options
);
2079 conn
->hdrdgst_en
= test_bit(ISCSIOPT_HEADER_DIGEST_EN
, &options
);
2080 conn
->datadgst_en
= test_bit(ISCSIOPT_DATA_DIGEST_EN
, &options
);
2081 sess
->imm_data_en
= test_bit(ISCSIOPT_IMMEDIATE_DATA_EN
, &options
);
2082 sess
->initial_r2t_en
= test_bit(ISCSIOPT_INITIAL_R2T_EN
, &options
);
2083 sess
->dataseq_inorder_en
= test_bit(ISCSIOPT_DATA_SEQ_IN_ORDER
,
2085 sess
->pdu_inorder_en
= test_bit(ISCSIOPT_DATA_PDU_IN_ORDER
, &options
);
2086 sess
->chap_auth_en
= test_bit(ISCSIOPT_CHAP_AUTH_EN
, &options
);
2087 conn
->snack_req_en
= test_bit(ISCSIOPT_SNACK_REQ_EN
, &options
);
2088 sess
->discovery_logout_en
= test_bit(ISCSIOPT_DISCOVERY_LOGOUT_EN
,
2090 sess
->bidi_chap_en
= test_bit(ISCSIOPT_BIDI_CHAP_EN
, &options
);
2091 sess
->discovery_auth_optional
=
2092 test_bit(ISCSIOPT_DISCOVERY_AUTH_OPTIONAL
, &options
);
2093 if (test_bit(ISCSIOPT_ERL1
, &options
))
2095 if (test_bit(ISCSIOPT_ERL0
, &options
))
2098 options
= le16_to_cpu(fw_ddb_entry
->tcp_options
);
2099 conn
->tcp_timestamp_stat
= test_bit(TCPOPT_TIMESTAMP_STAT
, &options
);
2100 conn
->tcp_nagle_disable
= test_bit(TCPOPT_NAGLE_DISABLE
, &options
);
2101 conn
->tcp_wsf_disable
= test_bit(TCPOPT_WSF_DISABLE
, &options
);
2102 if (test_bit(TCPOPT_TIMER_SCALE3
, &options
))
2103 conn
->tcp_timer_scale
|= BIT_3
;
2104 if (test_bit(TCPOPT_TIMER_SCALE2
, &options
))
2105 conn
->tcp_timer_scale
|= BIT_2
;
2106 if (test_bit(TCPOPT_TIMER_SCALE1
, &options
))
2107 conn
->tcp_timer_scale
|= BIT_1
;
2109 conn
->tcp_timer_scale
>>= 1;
2110 conn
->tcp_timestamp_en
= test_bit(TCPOPT_TIMESTAMP_EN
, &options
);
2112 options
= le16_to_cpu(fw_ddb_entry
->ip_options
);
2113 conn
->fragment_disable
= test_bit(IPOPT_FRAGMENT_DISABLE
, &options
);
2115 conn
->max_recv_dlength
= BYTE_UNITS
*
2116 le16_to_cpu(fw_ddb_entry
->iscsi_max_rcv_data_seg_len
);
2117 conn
->max_xmit_dlength
= BYTE_UNITS
*
2118 le16_to_cpu(fw_ddb_entry
->iscsi_max_snd_data_seg_len
);
2119 sess
->first_burst
= BYTE_UNITS
*
2120 le16_to_cpu(fw_ddb_entry
->iscsi_first_burst_len
);
2121 sess
->max_burst
= BYTE_UNITS
*
2122 le16_to_cpu(fw_ddb_entry
->iscsi_max_burst_len
);
2123 sess
->max_r2t
= le16_to_cpu(fw_ddb_entry
->iscsi_max_outsnd_r2t
);
2124 sess
->time2wait
= le16_to_cpu(fw_ddb_entry
->iscsi_def_time2wait
);
2125 sess
->time2retain
= le16_to_cpu(fw_ddb_entry
->iscsi_def_time2retain
);
2126 sess
->tpgt
= le32_to_cpu(fw_ddb_entry
->tgt_portal_grp
);
2127 conn
->max_segment_size
= le16_to_cpu(fw_ddb_entry
->mss
);
2128 conn
->tcp_xmit_wsf
= fw_ddb_entry
->tcp_xmt_wsf
;
2129 conn
->tcp_recv_wsf
= fw_ddb_entry
->tcp_rcv_wsf
;
2130 conn
->ipv6_flow_label
= le16_to_cpu(fw_ddb_entry
->ipv6_flow_lbl
);
2131 conn
->keepalive_timeout
= le16_to_cpu(fw_ddb_entry
->ka_timeout
);
2132 conn
->local_port
= le16_to_cpu(fw_ddb_entry
->lcl_port
);
2133 conn
->statsn
= le32_to_cpu(fw_ddb_entry
->stat_sn
);
2134 conn
->exp_statsn
= le32_to_cpu(fw_ddb_entry
->exp_stat_sn
);
2135 sess
->discovery_parent_idx
= le16_to_cpu(fw_ddb_entry
->ddb_link
);
2136 sess
->discovery_parent_type
= le16_to_cpu(fw_ddb_entry
->ddb_link
);
2137 sess
->chap_out_idx
= le16_to_cpu(fw_ddb_entry
->chap_tbl_idx
);
2138 sess
->tsid
= le16_to_cpu(fw_ddb_entry
->tsid
);
2140 sess
->default_taskmgmt_timeout
=
2141 le16_to_cpu(fw_ddb_entry
->def_timeout
);
2142 conn
->port
= le16_to_cpu(fw_ddb_entry
->port
);
2144 options
= le16_to_cpu(fw_ddb_entry
->options
);
2145 conn
->ipaddress
= kzalloc(IPv6_ADDR_LEN
, GFP_KERNEL
);
2146 if (!conn
->ipaddress
) {
2151 conn
->redirect_ipaddr
= kzalloc(IPv6_ADDR_LEN
, GFP_KERNEL
);
2152 if (!conn
->redirect_ipaddr
) {
2157 memcpy(conn
->ipaddress
, fw_ddb_entry
->ip_addr
, IPv6_ADDR_LEN
);
2158 memcpy(conn
->redirect_ipaddr
, fw_ddb_entry
->tgt_addr
, IPv6_ADDR_LEN
);
2160 if (test_bit(OPT_IPV6_DEVICE
, &options
)) {
2161 conn
->ipv6_traffic_class
= fw_ddb_entry
->ipv4_tos
;
2163 conn
->link_local_ipv6_addr
= kzalloc(IPv6_ADDR_LEN
, GFP_KERNEL
);
2164 if (!conn
->link_local_ipv6_addr
) {
2169 memcpy(conn
->link_local_ipv6_addr
,
2170 fw_ddb_entry
->link_local_ipv6_addr
, IPv6_ADDR_LEN
);
2172 conn
->ipv4_tos
= fw_ddb_entry
->ipv4_tos
;
2175 if (fw_ddb_entry
->iscsi_name
[0]) {
2176 rc
= iscsi_switch_str_param(&sess
->targetname
,
2177 (char *)fw_ddb_entry
->iscsi_name
);
2182 if (fw_ddb_entry
->iscsi_alias
[0]) {
2183 rc
= iscsi_switch_str_param(&sess
->targetalias
,
2184 (char *)fw_ddb_entry
->iscsi_alias
);
2189 COPY_ISID(sess
->isid
, fw_ddb_entry
->isid
);
2195 static int qla4xxx_copy_to_fwddb_param(struct iscsi_bus_flash_session
*sess
,
2196 struct iscsi_bus_flash_conn
*conn
,
2197 struct dev_db_entry
*fw_ddb_entry
)
2202 options
= le16_to_cpu(fw_ddb_entry
->options
);
2203 SET_BITVAL(conn
->is_fw_assigned_ipv6
, options
, BIT_11
);
2204 if (!strncmp(sess
->portal_type
, PORTAL_TYPE_IPV6
, 4))
2209 SET_BITVAL(sess
->auto_snd_tgt_disable
, options
, BIT_6
);
2210 SET_BITVAL(sess
->discovery_sess
, options
, BIT_4
);
2211 SET_BITVAL(sess
->entry_state
, options
, BIT_3
);
2212 fw_ddb_entry
->options
= cpu_to_le16(options
);
2214 options
= le16_to_cpu(fw_ddb_entry
->iscsi_options
);
2215 SET_BITVAL(conn
->hdrdgst_en
, options
, BIT_13
);
2216 SET_BITVAL(conn
->datadgst_en
, options
, BIT_12
);
2217 SET_BITVAL(sess
->imm_data_en
, options
, BIT_11
);
2218 SET_BITVAL(sess
->initial_r2t_en
, options
, BIT_10
);
2219 SET_BITVAL(sess
->dataseq_inorder_en
, options
, BIT_9
);
2220 SET_BITVAL(sess
->pdu_inorder_en
, options
, BIT_8
);
2221 SET_BITVAL(sess
->chap_auth_en
, options
, BIT_7
);
2222 SET_BITVAL(conn
->snack_req_en
, options
, BIT_6
);
2223 SET_BITVAL(sess
->discovery_logout_en
, options
, BIT_5
);
2224 SET_BITVAL(sess
->bidi_chap_en
, options
, BIT_4
);
2225 SET_BITVAL(sess
->discovery_auth_optional
, options
, BIT_3
);
2226 SET_BITVAL(sess
->erl
& BIT_1
, options
, BIT_1
);
2227 SET_BITVAL(sess
->erl
& BIT_0
, options
, BIT_0
);
2228 fw_ddb_entry
->iscsi_options
= cpu_to_le16(options
);
2230 options
= le16_to_cpu(fw_ddb_entry
->tcp_options
);
2231 SET_BITVAL(conn
->tcp_timestamp_stat
, options
, BIT_6
);
2232 SET_BITVAL(conn
->tcp_nagle_disable
, options
, BIT_5
);
2233 SET_BITVAL(conn
->tcp_wsf_disable
, options
, BIT_4
);
2234 SET_BITVAL(conn
->tcp_timer_scale
& BIT_2
, options
, BIT_3
);
2235 SET_BITVAL(conn
->tcp_timer_scale
& BIT_1
, options
, BIT_2
);
2236 SET_BITVAL(conn
->tcp_timer_scale
& BIT_0
, options
, BIT_1
);
2237 SET_BITVAL(conn
->tcp_timestamp_en
, options
, BIT_0
);
2238 fw_ddb_entry
->tcp_options
= cpu_to_le16(options
);
2240 options
= le16_to_cpu(fw_ddb_entry
->ip_options
);
2241 SET_BITVAL(conn
->fragment_disable
, options
, BIT_4
);
2242 fw_ddb_entry
->ip_options
= cpu_to_le16(options
);
2244 fw_ddb_entry
->iscsi_max_outsnd_r2t
= cpu_to_le16(sess
->max_r2t
);
2245 fw_ddb_entry
->iscsi_max_rcv_data_seg_len
=
2246 cpu_to_le16(conn
->max_recv_dlength
/ BYTE_UNITS
);
2247 fw_ddb_entry
->iscsi_max_snd_data_seg_len
=
2248 cpu_to_le16(conn
->max_xmit_dlength
/ BYTE_UNITS
);
2249 fw_ddb_entry
->iscsi_first_burst_len
=
2250 cpu_to_le16(sess
->first_burst
/ BYTE_UNITS
);
2251 fw_ddb_entry
->iscsi_max_burst_len
= cpu_to_le16(sess
->max_burst
/
2253 fw_ddb_entry
->iscsi_def_time2wait
= cpu_to_le16(sess
->time2wait
);
2254 fw_ddb_entry
->iscsi_def_time2retain
= cpu_to_le16(sess
->time2retain
);
2255 fw_ddb_entry
->tgt_portal_grp
= cpu_to_le16(sess
->tpgt
);
2256 fw_ddb_entry
->mss
= cpu_to_le16(conn
->max_segment_size
);
2257 fw_ddb_entry
->tcp_xmt_wsf
= (uint8_t) cpu_to_le32(conn
->tcp_xmit_wsf
);
2258 fw_ddb_entry
->tcp_rcv_wsf
= (uint8_t) cpu_to_le32(conn
->tcp_recv_wsf
);
2259 fw_ddb_entry
->ipv6_flow_lbl
= cpu_to_le16(conn
->ipv6_flow_label
);
2260 fw_ddb_entry
->ka_timeout
= cpu_to_le16(conn
->keepalive_timeout
);
2261 fw_ddb_entry
->lcl_port
= cpu_to_le16(conn
->local_port
);
2262 fw_ddb_entry
->stat_sn
= cpu_to_le32(conn
->statsn
);
2263 fw_ddb_entry
->exp_stat_sn
= cpu_to_le32(conn
->exp_statsn
);
2264 fw_ddb_entry
->ddb_link
= cpu_to_le16(sess
->discovery_parent_idx
);
2265 fw_ddb_entry
->chap_tbl_idx
= cpu_to_le16(sess
->chap_out_idx
);
2266 fw_ddb_entry
->tsid
= cpu_to_le16(sess
->tsid
);
2267 fw_ddb_entry
->port
= cpu_to_le16(conn
->port
);
2268 fw_ddb_entry
->def_timeout
=
2269 cpu_to_le16(sess
->default_taskmgmt_timeout
);
2271 if (!strncmp(sess
->portal_type
, PORTAL_TYPE_IPV6
, 4))
2272 fw_ddb_entry
->ipv4_tos
= conn
->ipv6_traffic_class
;
2274 fw_ddb_entry
->ipv4_tos
= conn
->ipv4_tos
;
2276 if (conn
->ipaddress
)
2277 memcpy(fw_ddb_entry
->ip_addr
, conn
->ipaddress
,
2278 sizeof(fw_ddb_entry
->ip_addr
));
2280 if (conn
->redirect_ipaddr
)
2281 memcpy(fw_ddb_entry
->tgt_addr
, conn
->redirect_ipaddr
,
2282 sizeof(fw_ddb_entry
->tgt_addr
));
2284 if (conn
->link_local_ipv6_addr
)
2285 memcpy(fw_ddb_entry
->link_local_ipv6_addr
,
2286 conn
->link_local_ipv6_addr
,
2287 sizeof(fw_ddb_entry
->link_local_ipv6_addr
));
2289 if (sess
->targetname
)
2290 memcpy(fw_ddb_entry
->iscsi_name
, sess
->targetname
,
2291 sizeof(fw_ddb_entry
->iscsi_name
));
2293 if (sess
->targetalias
)
2294 memcpy(fw_ddb_entry
->iscsi_alias
, sess
->targetalias
,
2295 sizeof(fw_ddb_entry
->iscsi_alias
));
2297 COPY_ISID(fw_ddb_entry
->isid
, sess
->isid
);
2302 static void qla4xxx_copy_to_sess_conn_params(struct iscsi_conn
*conn
,
2303 struct iscsi_session
*sess
,
2304 struct dev_db_entry
*fw_ddb_entry
)
2306 unsigned long options
= 0;
2308 uint16_t disc_parent
;
2310 options
= le16_to_cpu(fw_ddb_entry
->options
);
2311 conn
->is_fw_assigned_ipv6
= test_bit(OPT_IS_FW_ASSIGNED_IPV6
, &options
);
2312 sess
->auto_snd_tgt_disable
= test_bit(OPT_AUTO_SENDTGTS_DISABLE
,
2314 sess
->discovery_sess
= test_bit(OPT_DISC_SESSION
, &options
);
2316 options
= le16_to_cpu(fw_ddb_entry
->iscsi_options
);
2317 conn
->hdrdgst_en
= test_bit(ISCSIOPT_HEADER_DIGEST_EN
, &options
);
2318 conn
->datadgst_en
= test_bit(ISCSIOPT_DATA_DIGEST_EN
, &options
);
2319 sess
->imm_data_en
= test_bit(ISCSIOPT_IMMEDIATE_DATA_EN
, &options
);
2320 sess
->initial_r2t_en
= test_bit(ISCSIOPT_INITIAL_R2T_EN
, &options
);
2321 sess
->dataseq_inorder_en
= test_bit(ISCSIOPT_DATA_SEQ_IN_ORDER
,
2323 sess
->pdu_inorder_en
= test_bit(ISCSIOPT_DATA_PDU_IN_ORDER
, &options
);
2324 sess
->chap_auth_en
= test_bit(ISCSIOPT_CHAP_AUTH_EN
, &options
);
2325 sess
->discovery_logout_en
= test_bit(ISCSIOPT_DISCOVERY_LOGOUT_EN
,
2327 sess
->bidi_chap_en
= test_bit(ISCSIOPT_BIDI_CHAP_EN
, &options
);
2328 sess
->discovery_auth_optional
=
2329 test_bit(ISCSIOPT_DISCOVERY_AUTH_OPTIONAL
, &options
);
2330 if (test_bit(ISCSIOPT_ERL1
, &options
))
2332 if (test_bit(ISCSIOPT_ERL0
, &options
))
2335 options
= le16_to_cpu(fw_ddb_entry
->tcp_options
);
2336 conn
->tcp_timestamp_stat
= test_bit(TCPOPT_TIMESTAMP_STAT
, &options
);
2337 conn
->tcp_nagle_disable
= test_bit(TCPOPT_NAGLE_DISABLE
, &options
);
2338 conn
->tcp_wsf_disable
= test_bit(TCPOPT_WSF_DISABLE
, &options
);
2339 if (test_bit(TCPOPT_TIMER_SCALE3
, &options
))
2340 conn
->tcp_timer_scale
|= BIT_3
;
2341 if (test_bit(TCPOPT_TIMER_SCALE2
, &options
))
2342 conn
->tcp_timer_scale
|= BIT_2
;
2343 if (test_bit(TCPOPT_TIMER_SCALE1
, &options
))
2344 conn
->tcp_timer_scale
|= BIT_1
;
2346 conn
->tcp_timer_scale
>>= 1;
2347 conn
->tcp_timestamp_en
= test_bit(TCPOPT_TIMESTAMP_EN
, &options
);
2349 options
= le16_to_cpu(fw_ddb_entry
->ip_options
);
2350 conn
->fragment_disable
= test_bit(IPOPT_FRAGMENT_DISABLE
, &options
);
2352 conn
->max_recv_dlength
= BYTE_UNITS
*
2353 le16_to_cpu(fw_ddb_entry
->iscsi_max_rcv_data_seg_len
);
2354 conn
->max_xmit_dlength
= BYTE_UNITS
*
2355 le16_to_cpu(fw_ddb_entry
->iscsi_max_snd_data_seg_len
);
2356 sess
->max_r2t
= le16_to_cpu(fw_ddb_entry
->iscsi_max_outsnd_r2t
);
2357 sess
->first_burst
= BYTE_UNITS
*
2358 le16_to_cpu(fw_ddb_entry
->iscsi_first_burst_len
);
2359 sess
->max_burst
= BYTE_UNITS
*
2360 le16_to_cpu(fw_ddb_entry
->iscsi_max_burst_len
);
2361 sess
->time2wait
= le16_to_cpu(fw_ddb_entry
->iscsi_def_time2wait
);
2362 sess
->time2retain
= le16_to_cpu(fw_ddb_entry
->iscsi_def_time2retain
);
2363 sess
->tpgt
= le32_to_cpu(fw_ddb_entry
->tgt_portal_grp
);
2364 conn
->max_segment_size
= le16_to_cpu(fw_ddb_entry
->mss
);
2365 conn
->tcp_xmit_wsf
= fw_ddb_entry
->tcp_xmt_wsf
;
2366 conn
->tcp_recv_wsf
= fw_ddb_entry
->tcp_rcv_wsf
;
2367 conn
->ipv4_tos
= fw_ddb_entry
->ipv4_tos
;
2368 conn
->keepalive_tmo
= le16_to_cpu(fw_ddb_entry
->ka_timeout
);
2369 conn
->local_port
= le16_to_cpu(fw_ddb_entry
->lcl_port
);
2370 conn
->statsn
= le32_to_cpu(fw_ddb_entry
->stat_sn
);
2371 conn
->exp_statsn
= le32_to_cpu(fw_ddb_entry
->exp_stat_sn
);
2372 sess
->tsid
= le16_to_cpu(fw_ddb_entry
->tsid
);
2373 COPY_ISID(sess
->isid
, fw_ddb_entry
->isid
);
2375 ddb_link
= le16_to_cpu(fw_ddb_entry
->ddb_link
);
2376 if (ddb_link
== DDB_ISNS
)
2377 disc_parent
= ISCSI_DISC_PARENT_ISNS
;
2378 else if (ddb_link
== DDB_NO_LINK
)
2379 disc_parent
= ISCSI_DISC_PARENT_UNKNOWN
;
2380 else if (ddb_link
< MAX_DDB_ENTRIES
)
2381 disc_parent
= ISCSI_DISC_PARENT_SENDTGT
;
2383 disc_parent
= ISCSI_DISC_PARENT_UNKNOWN
;
2385 iscsi_set_param(conn
->cls_conn
, ISCSI_PARAM_DISCOVERY_PARENT_TYPE
,
2386 iscsi_get_discovery_parent_name(disc_parent
), 0);
2388 iscsi_set_param(conn
->cls_conn
, ISCSI_PARAM_TARGET_ALIAS
,
2389 (char *)fw_ddb_entry
->iscsi_alias
, 0);
2392 static void qla4xxx_copy_fwddb_param(struct scsi_qla_host
*ha
,
2393 struct dev_db_entry
*fw_ddb_entry
,
2394 struct iscsi_cls_session
*cls_sess
,
2395 struct iscsi_cls_conn
*cls_conn
)
2398 struct iscsi_session
*sess
;
2399 struct ddb_entry
*ddb_entry
;
2400 struct iscsi_conn
*conn
;
2401 char ip_addr
[DDB_IPADDR_LEN
];
2402 uint16_t options
= 0;
2404 sess
= cls_sess
->dd_data
;
2405 ddb_entry
= sess
->dd_data
;
2406 conn
= cls_conn
->dd_data
;
2408 ddb_entry
->chap_tbl_idx
= le16_to_cpu(fw_ddb_entry
->chap_tbl_idx
);
2410 qla4xxx_copy_to_sess_conn_params(conn
, sess
, fw_ddb_entry
);
2412 sess
->def_taskmgmt_tmo
= le16_to_cpu(fw_ddb_entry
->def_timeout
);
2413 conn
->persistent_port
= le16_to_cpu(fw_ddb_entry
->port
);
2415 memset(ip_addr
, 0, sizeof(ip_addr
));
2416 options
= le16_to_cpu(fw_ddb_entry
->options
);
2417 if (options
& DDB_OPT_IPV6_DEVICE
) {
2418 iscsi_set_param(cls_conn
, ISCSI_PARAM_PORTAL_TYPE
, "ipv6", 4);
2420 memset(ip_addr
, 0, sizeof(ip_addr
));
2421 sprintf(ip_addr
, "%pI6", fw_ddb_entry
->ip_addr
);
2423 iscsi_set_param(cls_conn
, ISCSI_PARAM_PORTAL_TYPE
, "ipv4", 4);
2424 sprintf(ip_addr
, "%pI4", fw_ddb_entry
->ip_addr
);
2427 iscsi_set_param(cls_conn
, ISCSI_PARAM_PERSISTENT_ADDRESS
,
2428 (char *)ip_addr
, buflen
);
2429 iscsi_set_param(cls_conn
, ISCSI_PARAM_TARGET_NAME
,
2430 (char *)fw_ddb_entry
->iscsi_name
, buflen
);
2431 iscsi_set_param(cls_conn
, ISCSI_PARAM_INITIATOR_NAME
,
2432 (char *)ha
->name_string
, buflen
);
2435 void qla4xxx_update_session_conn_fwddb_param(struct scsi_qla_host
*ha
,
2436 struct ddb_entry
*ddb_entry
)
2438 struct iscsi_cls_session
*cls_sess
;
2439 struct iscsi_cls_conn
*cls_conn
;
2441 dma_addr_t fw_ddb_entry_dma
;
2442 struct dev_db_entry
*fw_ddb_entry
;
2444 fw_ddb_entry
= dma_alloc_coherent(&ha
->pdev
->dev
, sizeof(*fw_ddb_entry
),
2445 &fw_ddb_entry_dma
, GFP_KERNEL
);
2446 if (!fw_ddb_entry
) {
2447 ql4_printk(KERN_ERR
, ha
,
2448 "%s: Unable to allocate dma buffer\n", __func__
);
2449 goto exit_session_conn_fwddb_param
;
2452 if (qla4xxx_get_fwddb_entry(ha
, ddb_entry
->fw_ddb_index
, fw_ddb_entry
,
2453 fw_ddb_entry_dma
, NULL
, NULL
, &ddb_state
,
2454 NULL
, NULL
, NULL
) == QLA_ERROR
) {
2455 DEBUG2(ql4_printk(KERN_ERR
, ha
, "scsi%ld: %s: failed "
2456 "get_ddb_entry for fw_ddb_index %d\n",
2457 ha
->host_no
, __func__
,
2458 ddb_entry
->fw_ddb_index
));
2459 goto exit_session_conn_fwddb_param
;
2462 cls_sess
= ddb_entry
->sess
;
2464 cls_conn
= ddb_entry
->conn
;
2467 qla4xxx_copy_fwddb_param(ha
, fw_ddb_entry
, cls_sess
, cls_conn
);
2469 exit_session_conn_fwddb_param
:
2471 dma_free_coherent(&ha
->pdev
->dev
, sizeof(*fw_ddb_entry
),
2472 fw_ddb_entry
, fw_ddb_entry_dma
);
2475 void qla4xxx_update_session_conn_param(struct scsi_qla_host
*ha
,
2476 struct ddb_entry
*ddb_entry
)
2478 struct iscsi_cls_session
*cls_sess
;
2479 struct iscsi_cls_conn
*cls_conn
;
2480 struct iscsi_session
*sess
;
2481 struct iscsi_conn
*conn
;
2483 dma_addr_t fw_ddb_entry_dma
;
2484 struct dev_db_entry
*fw_ddb_entry
;
2486 fw_ddb_entry
= dma_alloc_coherent(&ha
->pdev
->dev
, sizeof(*fw_ddb_entry
),
2487 &fw_ddb_entry_dma
, GFP_KERNEL
);
2488 if (!fw_ddb_entry
) {
2489 ql4_printk(KERN_ERR
, ha
,
2490 "%s: Unable to allocate dma buffer\n", __func__
);
2491 goto exit_session_conn_param
;
2494 if (qla4xxx_get_fwddb_entry(ha
, ddb_entry
->fw_ddb_index
, fw_ddb_entry
,
2495 fw_ddb_entry_dma
, NULL
, NULL
, &ddb_state
,
2496 NULL
, NULL
, NULL
) == QLA_ERROR
) {
2497 DEBUG2(ql4_printk(KERN_ERR
, ha
, "scsi%ld: %s: failed "
2498 "get_ddb_entry for fw_ddb_index %d\n",
2499 ha
->host_no
, __func__
,
2500 ddb_entry
->fw_ddb_index
));
2501 goto exit_session_conn_param
;
2504 cls_sess
= ddb_entry
->sess
;
2505 sess
= cls_sess
->dd_data
;
2507 cls_conn
= ddb_entry
->conn
;
2508 conn
= cls_conn
->dd_data
;
2510 /* Update timers after login */
2511 ddb_entry
->default_relogin_timeout
=
2512 (le16_to_cpu(fw_ddb_entry
->def_timeout
) > LOGIN_TOV
) &&
2513 (le16_to_cpu(fw_ddb_entry
->def_timeout
) < LOGIN_TOV
* 10) ?
2514 le16_to_cpu(fw_ddb_entry
->def_timeout
) : LOGIN_TOV
;
2515 ddb_entry
->default_time2wait
=
2516 le16_to_cpu(fw_ddb_entry
->iscsi_def_time2wait
);
2519 ddb_entry
->chap_tbl_idx
= le16_to_cpu(fw_ddb_entry
->chap_tbl_idx
);
2520 qla4xxx_copy_to_sess_conn_params(conn
, sess
, fw_ddb_entry
);
2522 memcpy(sess
->initiatorname
, ha
->name_string
,
2523 min(sizeof(ha
->name_string
), sizeof(sess
->initiatorname
)));
2525 exit_session_conn_param
:
2527 dma_free_coherent(&ha
->pdev
->dev
, sizeof(*fw_ddb_entry
),
2528 fw_ddb_entry
, fw_ddb_entry_dma
);
2535 static void qla4xxx_start_timer(struct scsi_qla_host
*ha
, void *func
,
2536 unsigned long interval
)
2538 DEBUG(printk("scsi: %s: Starting timer thread for adapter %d\n",
2539 __func__
, ha
->host
->host_no
));
2540 init_timer(&ha
->timer
);
2541 ha
->timer
.expires
= jiffies
+ interval
* HZ
;
2542 ha
->timer
.data
= (unsigned long)ha
;
2543 ha
->timer
.function
= (void (*)(unsigned long))func
;
2544 add_timer(&ha
->timer
);
2545 ha
->timer_active
= 1;
2548 static void qla4xxx_stop_timer(struct scsi_qla_host
*ha
)
2550 del_timer_sync(&ha
->timer
);
2551 ha
->timer_active
= 0;
2555 * qla4xxx_mark_device_missing - blocks the session
2556 * @cls_session: Pointer to the session to be blocked
2557 * @ddb_entry: Pointer to device database entry
2559 * This routine marks a device missing and close connection.
2561 void qla4xxx_mark_device_missing(struct iscsi_cls_session
*cls_session
)
2563 iscsi_block_session(cls_session
);
2567 * qla4xxx_mark_all_devices_missing - mark all devices as missing.
2568 * @ha: Pointer to host adapter structure.
2570 * This routine marks a device missing and resets the relogin retry count.
2572 void qla4xxx_mark_all_devices_missing(struct scsi_qla_host
*ha
)
2574 iscsi_host_for_each_session(ha
->host
, qla4xxx_mark_device_missing
);
2577 static struct srb
* qla4xxx_get_new_srb(struct scsi_qla_host
*ha
,
2578 struct ddb_entry
*ddb_entry
,
2579 struct scsi_cmnd
*cmd
)
2583 srb
= mempool_alloc(ha
->srb_mempool
, GFP_ATOMIC
);
2587 kref_init(&srb
->srb_ref
);
2589 srb
->ddb
= ddb_entry
;
2592 CMD_SP(cmd
) = (void *)srb
;
2597 static void qla4xxx_srb_free_dma(struct scsi_qla_host
*ha
, struct srb
*srb
)
2599 struct scsi_cmnd
*cmd
= srb
->cmd
;
2601 if (srb
->flags
& SRB_DMA_VALID
) {
2602 scsi_dma_unmap(cmd
);
2603 srb
->flags
&= ~SRB_DMA_VALID
;
2608 void qla4xxx_srb_compl(struct kref
*ref
)
2610 struct srb
*srb
= container_of(ref
, struct srb
, srb_ref
);
2611 struct scsi_cmnd
*cmd
= srb
->cmd
;
2612 struct scsi_qla_host
*ha
= srb
->ha
;
2614 qla4xxx_srb_free_dma(ha
, srb
);
2616 mempool_free(srb
, ha
->srb_mempool
);
2618 cmd
->scsi_done(cmd
);
2622 * qla4xxx_queuecommand - scsi layer issues scsi command to driver.
2624 * @cmd: Pointer to Linux's SCSI command structure
2627 * This routine is invoked by Linux to send a SCSI command to the driver.
2628 * The mid-level driver tries to ensure that queuecommand never gets
2629 * invoked concurrently with itself or the interrupt handler (although
2630 * the interrupt handler may call this routine as part of request-
2631 * completion handling). Unfortunely, it sometimes calls the scheduler
2632 * in interrupt context which is a big NO! NO!.
2634 static int qla4xxx_queuecommand(struct Scsi_Host
*host
, struct scsi_cmnd
*cmd
)
2636 struct scsi_qla_host
*ha
= to_qla_host(host
);
2637 struct ddb_entry
*ddb_entry
= cmd
->device
->hostdata
;
2638 struct iscsi_cls_session
*sess
= ddb_entry
->sess
;
2642 if (test_bit(AF_EEH_BUSY
, &ha
->flags
)) {
2643 if (test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE
, &ha
->flags
))
2644 cmd
->result
= DID_NO_CONNECT
<< 16;
2646 cmd
->result
= DID_REQUEUE
<< 16;
2647 goto qc_fail_command
;
2651 cmd
->result
= DID_IMM_RETRY
<< 16;
2652 goto qc_fail_command
;
2655 rval
= iscsi_session_chkready(sess
);
2658 goto qc_fail_command
;
2661 if (test_bit(DPC_RESET_HA_INTR
, &ha
->dpc_flags
) ||
2662 test_bit(DPC_RESET_ACTIVE
, &ha
->dpc_flags
) ||
2663 test_bit(DPC_RESET_HA
, &ha
->dpc_flags
) ||
2664 test_bit(DPC_HA_UNRECOVERABLE
, &ha
->dpc_flags
) ||
2665 test_bit(DPC_HA_NEED_QUIESCENT
, &ha
->dpc_flags
) ||
2666 !test_bit(AF_ONLINE
, &ha
->flags
) ||
2667 !test_bit(AF_LINK_UP
, &ha
->flags
) ||
2668 test_bit(AF_LOOPBACK
, &ha
->flags
) ||
2669 test_bit(DPC_POST_IDC_ACK
, &ha
->dpc_flags
) ||
2670 test_bit(DPC_RESTORE_ACB
, &ha
->dpc_flags
) ||
2671 test_bit(DPC_RESET_HA_FW_CONTEXT
, &ha
->dpc_flags
))
2674 srb
= qla4xxx_get_new_srb(ha
, ddb_entry
, cmd
);
2678 rval
= qla4xxx_send_command_to_isp(ha
, srb
);
2679 if (rval
!= QLA_SUCCESS
)
2680 goto qc_host_busy_free_sp
;
2684 qc_host_busy_free_sp
:
2685 qla4xxx_srb_free_dma(ha
, srb
);
2686 mempool_free(srb
, ha
->srb_mempool
);
2689 return SCSI_MLQUEUE_HOST_BUSY
;
2692 cmd
->scsi_done(cmd
);
2698 * qla4xxx_mem_free - frees memory allocated to adapter
2699 * @ha: Pointer to host adapter structure.
2701 * Frees memory previously allocated by qla4xxx_mem_alloc
2703 static void qla4xxx_mem_free(struct scsi_qla_host
*ha
)
2706 dma_free_coherent(&ha
->pdev
->dev
, ha
->queues_len
, ha
->queues
,
2715 ha
->request_ring
= NULL
;
2716 ha
->request_dma
= 0;
2717 ha
->response_ring
= NULL
;
2718 ha
->response_dma
= 0;
2719 ha
->shadow_regs
= NULL
;
2720 ha
->shadow_regs_dma
= 0;
2722 ha
->fw_dump_size
= 0;
2724 /* Free srb pool. */
2725 if (ha
->srb_mempool
)
2726 mempool_destroy(ha
->srb_mempool
);
2728 ha
->srb_mempool
= NULL
;
2730 if (ha
->chap_dma_pool
)
2731 dma_pool_destroy(ha
->chap_dma_pool
);
2734 vfree(ha
->chap_list
);
2735 ha
->chap_list
= NULL
;
2737 if (ha
->fw_ddb_dma_pool
)
2738 dma_pool_destroy(ha
->fw_ddb_dma_pool
);
2740 /* release io space registers */
2741 if (is_qla8022(ha
)) {
2744 (struct device_reg_82xx __iomem
*)ha
->nx_pcibase
);
2745 } else if (is_qla8032(ha
) || is_qla8042(ha
)) {
2748 (struct device_reg_83xx __iomem
*)ha
->nx_pcibase
);
2749 } else if (ha
->reg
) {
2753 if (ha
->reset_tmplt
.buff
)
2754 vfree(ha
->reset_tmplt
.buff
);
2756 pci_release_regions(ha
->pdev
);
2760 * qla4xxx_mem_alloc - allocates memory for use by adapter.
2761 * @ha: Pointer to host adapter structure
2763 * Allocates DMA memory for request and response queues. Also allocates memory
2766 static int qla4xxx_mem_alloc(struct scsi_qla_host
*ha
)
2768 unsigned long align
;
2770 /* Allocate contiguous block of DMA memory for queues. */
2771 ha
->queues_len
= ((REQUEST_QUEUE_DEPTH
* QUEUE_SIZE
) +
2772 (RESPONSE_QUEUE_DEPTH
* QUEUE_SIZE
) +
2773 sizeof(struct shadow_regs
) +
2775 (PAGE_SIZE
- 1)) & ~(PAGE_SIZE
- 1);
2776 ha
->queues
= dma_alloc_coherent(&ha
->pdev
->dev
, ha
->queues_len
,
2777 &ha
->queues_dma
, GFP_KERNEL
);
2778 if (ha
->queues
== NULL
) {
2779 ql4_printk(KERN_WARNING
, ha
,
2780 "Memory Allocation failed - queues.\n");
2782 goto mem_alloc_error_exit
;
2784 memset(ha
->queues
, 0, ha
->queues_len
);
2787 * As per RISC alignment requirements -- the bus-address must be a
2788 * multiple of the request-ring size (in bytes).
2791 if ((unsigned long)ha
->queues_dma
& (MEM_ALIGN_VALUE
- 1))
2792 align
= MEM_ALIGN_VALUE
- ((unsigned long)ha
->queues_dma
&
2793 (MEM_ALIGN_VALUE
- 1));
2795 /* Update request and response queue pointers. */
2796 ha
->request_dma
= ha
->queues_dma
+ align
;
2797 ha
->request_ring
= (struct queue_entry
*) (ha
->queues
+ align
);
2798 ha
->response_dma
= ha
->queues_dma
+ align
+
2799 (REQUEST_QUEUE_DEPTH
* QUEUE_SIZE
);
2800 ha
->response_ring
= (struct queue_entry
*) (ha
->queues
+ align
+
2801 (REQUEST_QUEUE_DEPTH
*
2803 ha
->shadow_regs_dma
= ha
->queues_dma
+ align
+
2804 (REQUEST_QUEUE_DEPTH
* QUEUE_SIZE
) +
2805 (RESPONSE_QUEUE_DEPTH
* QUEUE_SIZE
);
2806 ha
->shadow_regs
= (struct shadow_regs
*) (ha
->queues
+ align
+
2807 (REQUEST_QUEUE_DEPTH
*
2809 (RESPONSE_QUEUE_DEPTH
*
2812 /* Allocate memory for srb pool. */
2813 ha
->srb_mempool
= mempool_create(SRB_MIN_REQ
, mempool_alloc_slab
,
2814 mempool_free_slab
, srb_cachep
);
2815 if (ha
->srb_mempool
== NULL
) {
2816 ql4_printk(KERN_WARNING
, ha
,
2817 "Memory Allocation failed - SRB Pool.\n");
2819 goto mem_alloc_error_exit
;
2822 ha
->chap_dma_pool
= dma_pool_create("ql4_chap", &ha
->pdev
->dev
,
2823 CHAP_DMA_BLOCK_SIZE
, 8, 0);
2825 if (ha
->chap_dma_pool
== NULL
) {
2826 ql4_printk(KERN_WARNING
, ha
,
2827 "%s: chap_dma_pool allocation failed..\n", __func__
);
2828 goto mem_alloc_error_exit
;
2831 ha
->fw_ddb_dma_pool
= dma_pool_create("ql4_fw_ddb", &ha
->pdev
->dev
,
2832 DDB_DMA_BLOCK_SIZE
, 8, 0);
2834 if (ha
->fw_ddb_dma_pool
== NULL
) {
2835 ql4_printk(KERN_WARNING
, ha
,
2836 "%s: fw_ddb_dma_pool allocation failed..\n",
2838 goto mem_alloc_error_exit
;
2843 mem_alloc_error_exit
:
2844 qla4xxx_mem_free(ha
);
2849 * qla4_8xxx_check_temp - Check the ISP82XX temperature.
2850 * @ha: adapter block pointer.
2852 * Note: The caller should not hold the idc lock.
2854 static int qla4_8xxx_check_temp(struct scsi_qla_host
*ha
)
2856 uint32_t temp
, temp_state
, temp_val
;
2857 int status
= QLA_SUCCESS
;
2859 temp
= qla4_8xxx_rd_direct(ha
, QLA8XXX_CRB_TEMP_STATE
);
2861 temp_state
= qla82xx_get_temp_state(temp
);
2862 temp_val
= qla82xx_get_temp_val(temp
);
2864 if (temp_state
== QLA82XX_TEMP_PANIC
) {
2865 ql4_printk(KERN_WARNING
, ha
, "Device temperature %d degrees C"
2866 " exceeds maximum allowed. Hardware has been shut"
2867 " down.\n", temp_val
);
2869 } else if (temp_state
== QLA82XX_TEMP_WARN
) {
2870 if (ha
->temperature
== QLA82XX_TEMP_NORMAL
)
2871 ql4_printk(KERN_WARNING
, ha
, "Device temperature %d"
2872 " degrees C exceeds operating range."
2873 " Immediate action needed.\n", temp_val
);
2875 if (ha
->temperature
== QLA82XX_TEMP_WARN
)
2876 ql4_printk(KERN_INFO
, ha
, "Device temperature is"
2877 " now %d degrees C in normal range.\n",
2880 ha
->temperature
= temp_state
;
2885 * qla4_8xxx_check_fw_alive - Check firmware health
2886 * @ha: Pointer to host adapter structure.
2888 * Context: Interrupt
2890 static int qla4_8xxx_check_fw_alive(struct scsi_qla_host
*ha
)
2892 uint32_t fw_heartbeat_counter
;
2893 int status
= QLA_SUCCESS
;
2895 fw_heartbeat_counter
= qla4_8xxx_rd_direct(ha
,
2896 QLA8XXX_PEG_ALIVE_COUNTER
);
2897 /* If PEG_ALIVE_COUNTER is 0xffffffff, AER/EEH is in progress, ignore */
2898 if (fw_heartbeat_counter
== 0xffffffff) {
2899 DEBUG2(printk(KERN_WARNING
"scsi%ld: %s: Device in frozen "
2900 "state, QLA82XX_PEG_ALIVE_COUNTER is 0xffffffff\n",
2901 ha
->host_no
, __func__
));
2905 if (ha
->fw_heartbeat_counter
== fw_heartbeat_counter
) {
2906 ha
->seconds_since_last_heartbeat
++;
2907 /* FW not alive after 2 seconds */
2908 if (ha
->seconds_since_last_heartbeat
== 2) {
2909 ha
->seconds_since_last_heartbeat
= 0;
2910 qla4_8xxx_dump_peg_reg(ha
);
2914 ha
->seconds_since_last_heartbeat
= 0;
2916 ha
->fw_heartbeat_counter
= fw_heartbeat_counter
;
2920 static void qla4_8xxx_process_fw_error(struct scsi_qla_host
*ha
)
2922 uint32_t halt_status
;
2923 int halt_status_unrecoverable
= 0;
2925 halt_status
= qla4_8xxx_rd_direct(ha
, QLA8XXX_PEG_HALT_STATUS1
);
2927 if (is_qla8022(ha
)) {
2928 ql4_printk(KERN_INFO
, ha
, "%s: disabling pause transmit on port 0 & 1.\n",
2930 qla4_82xx_wr_32(ha
, QLA82XX_CRB_NIU
+ 0x98,
2931 CRB_NIU_XG_PAUSE_CTL_P0
|
2932 CRB_NIU_XG_PAUSE_CTL_P1
);
2934 if (QLA82XX_FWERROR_CODE(halt_status
) == 0x67)
2935 ql4_printk(KERN_ERR
, ha
, "%s: Firmware aborted with error code 0x00006700. Device is being reset\n",
2937 if (halt_status
& HALT_STATUS_UNRECOVERABLE
)
2938 halt_status_unrecoverable
= 1;
2939 } else if (is_qla8032(ha
) || is_qla8042(ha
)) {
2940 if (halt_status
& QLA83XX_HALT_STATUS_FW_RESET
)
2941 ql4_printk(KERN_ERR
, ha
, "%s: Firmware error detected device is being reset\n",
2943 else if (halt_status
& QLA83XX_HALT_STATUS_UNRECOVERABLE
)
2944 halt_status_unrecoverable
= 1;
2948 * Since we cannot change dev_state in interrupt context,
2949 * set appropriate DPC flag then wakeup DPC
2951 if (halt_status_unrecoverable
) {
2952 set_bit(DPC_HA_UNRECOVERABLE
, &ha
->dpc_flags
);
2954 ql4_printk(KERN_INFO
, ha
, "%s: detect abort needed!\n",
2956 set_bit(DPC_RESET_HA
, &ha
->dpc_flags
);
2958 qla4xxx_mailbox_premature_completion(ha
);
2959 qla4xxx_wake_dpc(ha
);
2963 * qla4_8xxx_watchdog - Poll dev state
2964 * @ha: Pointer to host adapter structure.
2966 * Context: Interrupt
2968 void qla4_8xxx_watchdog(struct scsi_qla_host
*ha
)
2973 /* don't poll if reset is going on */
2974 if (!(test_bit(DPC_RESET_ACTIVE
, &ha
->dpc_flags
) ||
2975 test_bit(DPC_RESET_HA
, &ha
->dpc_flags
) ||
2976 test_bit(DPC_RETRY_RESET_HA
, &ha
->dpc_flags
))) {
2977 dev_state
= qla4_8xxx_rd_direct(ha
, QLA8XXX_CRB_DEV_STATE
);
2979 if (qla4_8xxx_check_temp(ha
)) {
2980 if (is_qla8022(ha
)) {
2981 ql4_printk(KERN_INFO
, ha
, "disabling pause transmit on port 0 & 1.\n");
2982 qla4_82xx_wr_32(ha
, QLA82XX_CRB_NIU
+ 0x98,
2983 CRB_NIU_XG_PAUSE_CTL_P0
|
2984 CRB_NIU_XG_PAUSE_CTL_P1
);
2986 set_bit(DPC_HA_UNRECOVERABLE
, &ha
->dpc_flags
);
2987 qla4xxx_wake_dpc(ha
);
2988 } else if (dev_state
== QLA8XXX_DEV_NEED_RESET
&&
2989 !test_bit(DPC_RESET_HA
, &ha
->dpc_flags
)) {
2991 ql4_printk(KERN_INFO
, ha
, "%s: HW State: NEED RESET!\n",
2994 if (is_qla8032(ha
) || is_qla8042(ha
)) {
2995 idc_ctrl
= qla4_83xx_rd_reg(ha
,
2996 QLA83XX_IDC_DRV_CTRL
);
2997 if (!(idc_ctrl
& GRACEFUL_RESET_BIT1
)) {
2998 ql4_printk(KERN_INFO
, ha
, "%s: Graceful reset bit is not set\n",
3000 qla4xxx_mailbox_premature_completion(
3005 if ((is_qla8032(ha
) || is_qla8042(ha
)) ||
3006 (is_qla8022(ha
) && !ql4xdontresethba
)) {
3007 set_bit(DPC_RESET_HA
, &ha
->dpc_flags
);
3008 qla4xxx_wake_dpc(ha
);
3010 } else if (dev_state
== QLA8XXX_DEV_NEED_QUIESCENT
&&
3011 !test_bit(DPC_HA_NEED_QUIESCENT
, &ha
->dpc_flags
)) {
3012 ql4_printk(KERN_INFO
, ha
, "%s: HW State: NEED QUIES!\n",
3014 set_bit(DPC_HA_NEED_QUIESCENT
, &ha
->dpc_flags
);
3015 qla4xxx_wake_dpc(ha
);
3017 /* Check firmware health */
3018 if (qla4_8xxx_check_fw_alive(ha
))
3019 qla4_8xxx_process_fw_error(ha
);
3024 static void qla4xxx_check_relogin_flash_ddb(struct iscsi_cls_session
*cls_sess
)
3026 struct iscsi_session
*sess
;
3027 struct ddb_entry
*ddb_entry
;
3028 struct scsi_qla_host
*ha
;
3030 sess
= cls_sess
->dd_data
;
3031 ddb_entry
= sess
->dd_data
;
3034 if (!(ddb_entry
->ddb_type
== FLASH_DDB
))
3037 if (adapter_up(ha
) && !test_bit(DF_RELOGIN
, &ddb_entry
->flags
) &&
3038 !iscsi_is_session_online(cls_sess
)) {
3039 if (atomic_read(&ddb_entry
->retry_relogin_timer
) !=
3041 if (atomic_read(&ddb_entry
->retry_relogin_timer
) ==
3043 atomic_set(&ddb_entry
->retry_relogin_timer
,
3045 set_bit(DPC_RELOGIN_DEVICE
, &ha
->dpc_flags
);
3046 set_bit(DF_RELOGIN
, &ddb_entry
->flags
);
3047 DEBUG2(ql4_printk(KERN_INFO
, ha
,
3048 "%s: index [%d] login device\n",
3049 __func__
, ddb_entry
->fw_ddb_index
));
3051 atomic_dec(&ddb_entry
->retry_relogin_timer
);
3055 /* Wait for relogin to timeout */
3056 if (atomic_read(&ddb_entry
->relogin_timer
) &&
3057 (atomic_dec_and_test(&ddb_entry
->relogin_timer
) != 0)) {
3059 * If the relogin times out and the device is
3060 * still NOT ONLINE then try and relogin again.
3062 if (!iscsi_is_session_online(cls_sess
)) {
3063 /* Reset retry relogin timer */
3064 atomic_inc(&ddb_entry
->relogin_retry_count
);
3065 DEBUG2(ql4_printk(KERN_INFO
, ha
,
3066 "%s: index[%d] relogin timed out-retrying"
3067 " relogin (%d), retry (%d)\n", __func__
,
3068 ddb_entry
->fw_ddb_index
,
3069 atomic_read(&ddb_entry
->relogin_retry_count
),
3070 ddb_entry
->default_time2wait
+ 4));
3071 set_bit(DPC_RELOGIN_DEVICE
, &ha
->dpc_flags
);
3072 atomic_set(&ddb_entry
->retry_relogin_timer
,
3073 ddb_entry
->default_time2wait
+ 4);
3079 * qla4xxx_timer - checks every second for work to do.
3080 * @ha: Pointer to host adapter structure.
3082 static void qla4xxx_timer(struct scsi_qla_host
*ha
)
3087 iscsi_host_for_each_session(ha
->host
, qla4xxx_check_relogin_flash_ddb
);
3089 /* If we are in the middle of AER/EEH processing
3090 * skip any processing and reschedule the timer
3092 if (test_bit(AF_EEH_BUSY
, &ha
->flags
)) {
3093 mod_timer(&ha
->timer
, jiffies
+ HZ
);
3097 /* Hardware read to trigger an EEH error during mailbox waits. */
3098 if (!pci_channel_offline(ha
->pdev
))
3099 pci_read_config_word(ha
->pdev
, PCI_VENDOR_ID
, &w
);
3102 qla4_8xxx_watchdog(ha
);
3104 if (is_qla40XX(ha
)) {
3105 /* Check for heartbeat interval. */
3106 if (ha
->firmware_options
& FWOPT_HEARTBEAT_ENABLE
&&
3107 ha
->heartbeat_interval
!= 0) {
3108 ha
->seconds_since_last_heartbeat
++;
3109 if (ha
->seconds_since_last_heartbeat
>
3110 ha
->heartbeat_interval
+ 2)
3111 set_bit(DPC_RESET_HA
, &ha
->dpc_flags
);
3115 /* Process any deferred work. */
3116 if (!list_empty(&ha
->work_list
))
3119 /* Wakeup the dpc routine for this adapter, if needed. */
3121 test_bit(DPC_RESET_HA
, &ha
->dpc_flags
) ||
3122 test_bit(DPC_RETRY_RESET_HA
, &ha
->dpc_flags
) ||
3123 test_bit(DPC_RELOGIN_DEVICE
, &ha
->dpc_flags
) ||
3124 test_bit(DPC_RESET_HA_FW_CONTEXT
, &ha
->dpc_flags
) ||
3125 test_bit(DPC_RESET_HA_INTR
, &ha
->dpc_flags
) ||
3126 test_bit(DPC_GET_DHCP_IP_ADDR
, &ha
->dpc_flags
) ||
3127 test_bit(DPC_LINK_CHANGED
, &ha
->dpc_flags
) ||
3128 test_bit(DPC_HA_UNRECOVERABLE
, &ha
->dpc_flags
) ||
3129 test_bit(DPC_HA_NEED_QUIESCENT
, &ha
->dpc_flags
) ||
3130 test_bit(DPC_AEN
, &ha
->dpc_flags
)) {
3131 DEBUG2(printk("scsi%ld: %s: scheduling dpc routine"
3132 " - dpc flags = 0x%lx\n",
3133 ha
->host_no
, __func__
, ha
->dpc_flags
));
3134 qla4xxx_wake_dpc(ha
);
3137 /* Reschedule timer thread to call us back in one second */
3138 mod_timer(&ha
->timer
, jiffies
+ HZ
);
3140 DEBUG2(ha
->seconds_since_last_intr
++);
3144 * qla4xxx_cmd_wait - waits for all outstanding commands to complete
3145 * @ha: Pointer to host adapter structure.
3147 * This routine stalls the driver until all outstanding commands are returned.
3148 * Caller must release the Hardware Lock prior to calling this routine.
3150 static int qla4xxx_cmd_wait(struct scsi_qla_host
*ha
)
3153 unsigned long flags
;
3154 struct scsi_cmnd
*cmd
;
3156 unsigned long wtime
= jiffies
+ (WAIT_CMD_TOV
* HZ
);
3158 DEBUG2(ql4_printk(KERN_INFO
, ha
, "Wait up to %d seconds for cmds to "
3159 "complete\n", WAIT_CMD_TOV
));
3161 while (!time_after_eq(jiffies
, wtime
)) {
3162 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
3163 /* Find a command that hasn't completed. */
3164 for (index
= 0; index
< ha
->host
->can_queue
; index
++) {
3165 cmd
= scsi_host_find_tag(ha
->host
, index
);
3167 * We cannot just check if the index is valid,
3168 * becase if we are run from the scsi eh, then
3169 * the scsi/block layer is going to prevent
3170 * the tag from being released.
3172 if (cmd
!= NULL
&& CMD_SP(cmd
))
3175 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
3177 /* If No Commands are pending, wait is complete */
3178 if (index
== ha
->host
->can_queue
)
3183 /* If we timed out on waiting for commands to come back
3188 int qla4xxx_hw_reset(struct scsi_qla_host
*ha
)
3190 uint32_t ctrl_status
;
3191 unsigned long flags
= 0;
3193 DEBUG2(printk(KERN_ERR
"scsi%ld: %s\n", ha
->host_no
, __func__
));
3195 if (ql4xxx_lock_drvr_wait(ha
) != QLA_SUCCESS
)
3198 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
3201 * If the SCSI Reset Interrupt bit is set, clear it.
3202 * Otherwise, the Soft Reset won't work.
3204 ctrl_status
= readw(&ha
->reg
->ctrl_status
);
3205 if ((ctrl_status
& CSR_SCSI_RESET_INTR
) != 0)
3206 writel(set_rmask(CSR_SCSI_RESET_INTR
), &ha
->reg
->ctrl_status
);
3208 /* Issue Soft Reset */
3209 writel(set_rmask(CSR_SOFT_RESET
), &ha
->reg
->ctrl_status
);
3210 readl(&ha
->reg
->ctrl_status
);
3212 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
3217 * qla4xxx_soft_reset - performs soft reset.
3218 * @ha: Pointer to host adapter structure.
3220 int qla4xxx_soft_reset(struct scsi_qla_host
*ha
)
3222 uint32_t max_wait_time
;
3223 unsigned long flags
= 0;
3225 uint32_t ctrl_status
;
3227 status
= qla4xxx_hw_reset(ha
);
3228 if (status
!= QLA_SUCCESS
)
3232 /* Wait until the Network Reset Intr bit is cleared */
3233 max_wait_time
= RESET_INTR_TOV
;
3235 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
3236 ctrl_status
= readw(&ha
->reg
->ctrl_status
);
3237 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
3239 if ((ctrl_status
& CSR_NET_RESET_INTR
) == 0)
3243 } while ((--max_wait_time
));
3245 if ((ctrl_status
& CSR_NET_RESET_INTR
) != 0) {
3246 DEBUG2(printk(KERN_WARNING
3247 "scsi%ld: Network Reset Intr not cleared by "
3248 "Network function, clearing it now!\n",
3250 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
3251 writel(set_rmask(CSR_NET_RESET_INTR
), &ha
->reg
->ctrl_status
);
3252 readl(&ha
->reg
->ctrl_status
);
3253 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
3256 /* Wait until the firmware tells us the Soft Reset is done */
3257 max_wait_time
= SOFT_RESET_TOV
;
3259 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
3260 ctrl_status
= readw(&ha
->reg
->ctrl_status
);
3261 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
3263 if ((ctrl_status
& CSR_SOFT_RESET
) == 0) {
3264 status
= QLA_SUCCESS
;
3269 } while ((--max_wait_time
));
3272 * Also, make sure that the SCSI Reset Interrupt bit has been cleared
3273 * after the soft reset has taken place.
3275 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
3276 ctrl_status
= readw(&ha
->reg
->ctrl_status
);
3277 if ((ctrl_status
& CSR_SCSI_RESET_INTR
) != 0) {
3278 writel(set_rmask(CSR_SCSI_RESET_INTR
), &ha
->reg
->ctrl_status
);
3279 readl(&ha
->reg
->ctrl_status
);
3281 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
3283 /* If soft reset fails then most probably the bios on other
3284 * function is also enabled.
3285 * Since the initialization is sequential the other fn
3286 * wont be able to acknowledge the soft reset.
3287 * Issue a force soft reset to workaround this scenario.
3289 if (max_wait_time
== 0) {
3290 /* Issue Force Soft Reset */
3291 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
3292 writel(set_rmask(CSR_FORCE_SOFT_RESET
), &ha
->reg
->ctrl_status
);
3293 readl(&ha
->reg
->ctrl_status
);
3294 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
3295 /* Wait until the firmware tells us the Soft Reset is done */
3296 max_wait_time
= SOFT_RESET_TOV
;
3298 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
3299 ctrl_status
= readw(&ha
->reg
->ctrl_status
);
3300 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
3302 if ((ctrl_status
& CSR_FORCE_SOFT_RESET
) == 0) {
3303 status
= QLA_SUCCESS
;
3308 } while ((--max_wait_time
));
3315 * qla4xxx_abort_active_cmds - returns all outstanding i/o requests to O.S.
3316 * @ha: Pointer to host adapter structure.
3317 * @res: returned scsi status
3319 * This routine is called just prior to a HARD RESET to return all
3320 * outstanding commands back to the Operating System.
3321 * Caller should make sure that the following locks are released
3322 * before this calling routine: Hardware lock, and io_request_lock.
3324 static void qla4xxx_abort_active_cmds(struct scsi_qla_host
*ha
, int res
)
3328 unsigned long flags
;
3330 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
3331 for (i
= 0; i
< ha
->host
->can_queue
; i
++) {
3332 srb
= qla4xxx_del_from_active_array(ha
, i
);
3334 srb
->cmd
->result
= res
;
3335 kref_put(&srb
->srb_ref
, qla4xxx_srb_compl
);
3338 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
3341 void qla4xxx_dead_adapter_cleanup(struct scsi_qla_host
*ha
)
3343 clear_bit(AF_ONLINE
, &ha
->flags
);
3345 /* Disable the board */
3346 ql4_printk(KERN_INFO
, ha
, "Disabling the board\n");
3348 qla4xxx_abort_active_cmds(ha
, DID_NO_CONNECT
<< 16);
3349 qla4xxx_mark_all_devices_missing(ha
);
3350 clear_bit(AF_INIT_DONE
, &ha
->flags
);
3353 static void qla4xxx_fail_session(struct iscsi_cls_session
*cls_session
)
3355 struct iscsi_session
*sess
;
3356 struct ddb_entry
*ddb_entry
;
3358 sess
= cls_session
->dd_data
;
3359 ddb_entry
= sess
->dd_data
;
3360 ddb_entry
->fw_ddb_device_state
= DDB_DS_SESSION_FAILED
;
3362 if (ddb_entry
->ddb_type
== FLASH_DDB
)
3363 iscsi_block_session(ddb_entry
->sess
);
3365 iscsi_session_failure(cls_session
->dd_data
,
3366 ISCSI_ERR_CONN_FAILED
);
3370 * qla4xxx_recover_adapter - recovers adapter after a fatal error
3371 * @ha: Pointer to host adapter structure.
3373 static int qla4xxx_recover_adapter(struct scsi_qla_host
*ha
)
3375 int status
= QLA_ERROR
;
3376 uint8_t reset_chip
= 0;
3380 /* Stall incoming I/O until we are done */
3381 scsi_block_requests(ha
->host
);
3382 clear_bit(AF_ONLINE
, &ha
->flags
);
3383 clear_bit(AF_LINK_UP
, &ha
->flags
);
3385 DEBUG2(ql4_printk(KERN_INFO
, ha
, "%s: adapter OFFLINE\n", __func__
));
3387 set_bit(DPC_RESET_ACTIVE
, &ha
->dpc_flags
);
3389 if ((is_qla8032(ha
) || is_qla8042(ha
)) &&
3390 !test_bit(DPC_RESET_HA_FW_CONTEXT
, &ha
->dpc_flags
)) {
3391 ql4_printk(KERN_INFO
, ha
, "%s: disabling pause transmit on port 0 & 1.\n",
3393 /* disable pause frame for ISP83xx */
3394 qla4_83xx_disable_pause(ha
);
3397 iscsi_host_for_each_session(ha
->host
, qla4xxx_fail_session
);
3399 if (test_bit(DPC_RESET_HA
, &ha
->dpc_flags
))
3402 /* For the DPC_RESET_HA_INTR case (ISP-4xxx specific)
3403 * do not reset adapter, jump to initialize_adapter */
3404 if (test_bit(DPC_RESET_HA_INTR
, &ha
->dpc_flags
)) {
3405 status
= QLA_SUCCESS
;
3406 goto recover_ha_init_adapter
;
3409 /* For the ISP-8xxx adapter, issue a stop_firmware if invoked
3410 * from eh_host_reset or ioctl module */
3411 if (is_qla80XX(ha
) && !reset_chip
&&
3412 test_bit(DPC_RESET_HA_FW_CONTEXT
, &ha
->dpc_flags
)) {
3414 DEBUG2(ql4_printk(KERN_INFO
, ha
,
3415 "scsi%ld: %s - Performing stop_firmware...\n",
3416 ha
->host_no
, __func__
));
3417 status
= ha
->isp_ops
->reset_firmware(ha
);
3418 if (status
== QLA_SUCCESS
) {
3419 if (!test_bit(AF_FW_RECOVERY
, &ha
->flags
))
3420 qla4xxx_cmd_wait(ha
);
3422 ha
->isp_ops
->disable_intrs(ha
);
3423 qla4xxx_process_aen(ha
, FLUSH_DDB_CHANGED_AENS
);
3424 qla4xxx_abort_active_cmds(ha
, DID_RESET
<< 16);
3426 /* If the stop_firmware fails then
3427 * reset the entire chip */
3429 clear_bit(DPC_RESET_HA_FW_CONTEXT
, &ha
->dpc_flags
);
3430 set_bit(DPC_RESET_HA
, &ha
->dpc_flags
);
3434 /* Issue full chip reset if recovering from a catastrophic error,
3435 * or if stop_firmware fails for ISP-8xxx.
3436 * This is the default case for ISP-4xxx */
3437 if (is_qla40XX(ha
) || reset_chip
) {
3441 /* Check if 8XXX firmware is alive or not
3442 * We may have arrived here from NEED_RESET
3444 if (test_bit(AF_FW_RECOVERY
, &ha
->flags
))
3447 wait
= jiffies
+ (FW_ALIVE_WAIT_TOV
* HZ
);
3448 while (time_before(jiffies
, wait
)) {
3449 if (qla4_8xxx_check_fw_alive(ha
)) {
3450 qla4xxx_mailbox_premature_completion(ha
);
3454 set_current_state(TASK_UNINTERRUPTIBLE
);
3455 schedule_timeout(HZ
);
3458 if (!test_bit(AF_FW_RECOVERY
, &ha
->flags
))
3459 qla4xxx_cmd_wait(ha
);
3461 qla4xxx_process_aen(ha
, FLUSH_DDB_CHANGED_AENS
);
3462 qla4xxx_abort_active_cmds(ha
, DID_RESET
<< 16);
3463 DEBUG2(ql4_printk(KERN_INFO
, ha
,
3464 "scsi%ld: %s - Performing chip reset..\n",
3465 ha
->host_no
, __func__
));
3466 status
= ha
->isp_ops
->reset_chip(ha
);
3469 /* Flush any pending ddb changed AENs */
3470 qla4xxx_process_aen(ha
, FLUSH_DDB_CHANGED_AENS
);
3472 recover_ha_init_adapter
:
3473 /* Upon successful firmware/chip reset, re-initialize the adapter */
3474 if (status
== QLA_SUCCESS
) {
3475 /* For ISP-4xxx, force function 1 to always initialize
3476 * before function 3 to prevent both funcions from
3477 * stepping on top of the other */
3478 if (is_qla40XX(ha
) && (ha
->mac_index
== 3))
3481 /* NOTE: AF_ONLINE flag set upon successful completion of
3482 * qla4xxx_initialize_adapter */
3483 status
= qla4xxx_initialize_adapter(ha
, RESET_ADAPTER
);
3486 /* Retry failed adapter initialization, if necessary
3487 * Do not retry initialize_adapter for RESET_HA_INTR (ISP-4xxx specific)
3488 * case to prevent ping-pong resets between functions */
3489 if (!test_bit(AF_ONLINE
, &ha
->flags
) &&
3490 !test_bit(DPC_RESET_HA_INTR
, &ha
->dpc_flags
)) {
3491 /* Adapter initialization failed, see if we can retry
3493 * Since we don't want to block the DPC for too long
3494 * with multiple resets in the same thread,
3495 * utilize DPC to retry */
3496 if (is_qla80XX(ha
)) {
3497 ha
->isp_ops
->idc_lock(ha
);
3498 dev_state
= qla4_8xxx_rd_direct(ha
,
3499 QLA8XXX_CRB_DEV_STATE
);
3500 ha
->isp_ops
->idc_unlock(ha
);
3501 if (dev_state
== QLA8XXX_DEV_FAILED
) {
3502 ql4_printk(KERN_INFO
, ha
, "%s: don't retry "
3503 "recover adapter. H/W is in Failed "
3504 "state\n", __func__
);
3505 qla4xxx_dead_adapter_cleanup(ha
);
3506 clear_bit(DPC_RETRY_RESET_HA
, &ha
->dpc_flags
);
3507 clear_bit(DPC_RESET_HA
, &ha
->dpc_flags
);
3508 clear_bit(DPC_RESET_HA_FW_CONTEXT
,
3516 if (!test_bit(DPC_RETRY_RESET_HA
, &ha
->dpc_flags
)) {
3517 ha
->retry_reset_ha_cnt
= MAX_RESET_HA_RETRIES
;
3518 DEBUG2(printk("scsi%ld: recover adapter - retrying "
3519 "(%d) more times\n", ha
->host_no
,
3520 ha
->retry_reset_ha_cnt
));
3521 set_bit(DPC_RETRY_RESET_HA
, &ha
->dpc_flags
);
3524 if (ha
->retry_reset_ha_cnt
> 0) {
3525 /* Schedule another Reset HA--DPC will retry */
3526 ha
->retry_reset_ha_cnt
--;
3527 DEBUG2(printk("scsi%ld: recover adapter - "
3528 "retry remaining %d\n",
3530 ha
->retry_reset_ha_cnt
));
3534 if (ha
->retry_reset_ha_cnt
== 0) {
3535 /* Recover adapter retries have been exhausted.
3537 DEBUG2(printk("scsi%ld: recover adapter "
3538 "failed - board disabled\n",
3540 qla4xxx_dead_adapter_cleanup(ha
);
3541 clear_bit(DPC_RETRY_RESET_HA
, &ha
->dpc_flags
);
3542 clear_bit(DPC_RESET_HA
, &ha
->dpc_flags
);
3543 clear_bit(DPC_RESET_HA_FW_CONTEXT
,
3549 clear_bit(DPC_RESET_HA
, &ha
->dpc_flags
);
3550 clear_bit(DPC_RESET_HA_FW_CONTEXT
, &ha
->dpc_flags
);
3551 clear_bit(DPC_RETRY_RESET_HA
, &ha
->dpc_flags
);
3555 ha
->adapter_error_count
++;
3557 if (test_bit(AF_ONLINE
, &ha
->flags
))
3558 ha
->isp_ops
->enable_intrs(ha
);
3560 scsi_unblock_requests(ha
->host
);
3562 clear_bit(DPC_RESET_ACTIVE
, &ha
->dpc_flags
);
3563 DEBUG2(printk("scsi%ld: recover adapter: %s\n", ha
->host_no
,
3564 status
== QLA_ERROR
? "FAILED" : "SUCCEEDED"));
3569 static void qla4xxx_relogin_devices(struct iscsi_cls_session
*cls_session
)
3571 struct iscsi_session
*sess
;
3572 struct ddb_entry
*ddb_entry
;
3573 struct scsi_qla_host
*ha
;
3575 sess
= cls_session
->dd_data
;
3576 ddb_entry
= sess
->dd_data
;
3578 if (!iscsi_is_session_online(cls_session
)) {
3579 if (ddb_entry
->fw_ddb_device_state
== DDB_DS_SESSION_ACTIVE
) {
3580 ql4_printk(KERN_INFO
, ha
, "scsi%ld: %s: ddb[%d]"
3581 " unblock session\n", ha
->host_no
, __func__
,
3582 ddb_entry
->fw_ddb_index
);
3583 iscsi_unblock_session(ddb_entry
->sess
);
3585 /* Trigger relogin */
3586 if (ddb_entry
->ddb_type
== FLASH_DDB
) {
3587 if (!(test_bit(DF_RELOGIN
, &ddb_entry
->flags
) ||
3588 test_bit(DF_DISABLE_RELOGIN
,
3589 &ddb_entry
->flags
)))
3590 qla4xxx_arm_relogin_timer(ddb_entry
);
3592 iscsi_session_failure(cls_session
->dd_data
,
3593 ISCSI_ERR_CONN_FAILED
);
3598 int qla4xxx_unblock_flash_ddb(struct iscsi_cls_session
*cls_session
)
3600 struct iscsi_session
*sess
;
3601 struct ddb_entry
*ddb_entry
;
3602 struct scsi_qla_host
*ha
;
3604 sess
= cls_session
->dd_data
;
3605 ddb_entry
= sess
->dd_data
;
3607 ql4_printk(KERN_INFO
, ha
, "scsi%ld: %s: ddb[%d]"
3608 " unblock session\n", ha
->host_no
, __func__
,
3609 ddb_entry
->fw_ddb_index
);
3611 iscsi_unblock_session(ddb_entry
->sess
);
3613 /* Start scan target */
3614 if (test_bit(AF_ONLINE
, &ha
->flags
)) {
3615 ql4_printk(KERN_INFO
, ha
, "scsi%ld: %s: ddb[%d]"
3616 " start scan\n", ha
->host_no
, __func__
,
3617 ddb_entry
->fw_ddb_index
);
3618 scsi_queue_work(ha
->host
, &ddb_entry
->sess
->scan_work
);
3623 int qla4xxx_unblock_ddb(struct iscsi_cls_session
*cls_session
)
3625 struct iscsi_session
*sess
;
3626 struct ddb_entry
*ddb_entry
;
3627 struct scsi_qla_host
*ha
;
3628 int status
= QLA_SUCCESS
;
3630 sess
= cls_session
->dd_data
;
3631 ddb_entry
= sess
->dd_data
;
3633 ql4_printk(KERN_INFO
, ha
, "scsi%ld: %s: ddb[%d]"
3634 " unblock user space session\n", ha
->host_no
, __func__
,
3635 ddb_entry
->fw_ddb_index
);
3637 if (!iscsi_is_session_online(cls_session
)) {
3638 iscsi_conn_start(ddb_entry
->conn
);
3639 iscsi_conn_login_event(ddb_entry
->conn
,
3640 ISCSI_CONN_STATE_LOGGED_IN
);
3642 ql4_printk(KERN_INFO
, ha
,
3643 "scsi%ld: %s: ddb[%d] session [%d] already logged in\n",
3644 ha
->host_no
, __func__
, ddb_entry
->fw_ddb_index
,
3652 static void qla4xxx_relogin_all_devices(struct scsi_qla_host
*ha
)
3654 iscsi_host_for_each_session(ha
->host
, qla4xxx_relogin_devices
);
3657 static void qla4xxx_relogin_flash_ddb(struct iscsi_cls_session
*cls_sess
)
3659 uint16_t relogin_timer
;
3660 struct iscsi_session
*sess
;
3661 struct ddb_entry
*ddb_entry
;
3662 struct scsi_qla_host
*ha
;
3664 sess
= cls_sess
->dd_data
;
3665 ddb_entry
= sess
->dd_data
;
3668 relogin_timer
= max(ddb_entry
->default_relogin_timeout
,
3669 (uint16_t)RELOGIN_TOV
);
3670 atomic_set(&ddb_entry
->relogin_timer
, relogin_timer
);
3672 DEBUG2(ql4_printk(KERN_INFO
, ha
,
3673 "scsi%ld: Relogin index [%d]. TOV=%d\n", ha
->host_no
,
3674 ddb_entry
->fw_ddb_index
, relogin_timer
));
3676 qla4xxx_login_flash_ddb(cls_sess
);
3679 static void qla4xxx_dpc_relogin(struct iscsi_cls_session
*cls_sess
)
3681 struct iscsi_session
*sess
;
3682 struct ddb_entry
*ddb_entry
;
3683 struct scsi_qla_host
*ha
;
3685 sess
= cls_sess
->dd_data
;
3686 ddb_entry
= sess
->dd_data
;
3689 if (!(ddb_entry
->ddb_type
== FLASH_DDB
))
3692 if (test_bit(DF_DISABLE_RELOGIN
, &ddb_entry
->flags
))
3695 if (test_and_clear_bit(DF_RELOGIN
, &ddb_entry
->flags
) &&
3696 !iscsi_is_session_online(cls_sess
)) {
3697 DEBUG2(ql4_printk(KERN_INFO
, ha
,
3698 "relogin issued\n"));
3699 qla4xxx_relogin_flash_ddb(cls_sess
);
3703 void qla4xxx_wake_dpc(struct scsi_qla_host
*ha
)
3706 queue_work(ha
->dpc_thread
, &ha
->dpc_work
);
3709 static struct qla4_work_evt
*
3710 qla4xxx_alloc_work(struct scsi_qla_host
*ha
, uint32_t data_size
,
3711 enum qla4_work_type type
)
3713 struct qla4_work_evt
*e
;
3714 uint32_t size
= sizeof(struct qla4_work_evt
) + data_size
;
3716 e
= kzalloc(size
, GFP_ATOMIC
);
3720 INIT_LIST_HEAD(&e
->list
);
3725 static void qla4xxx_post_work(struct scsi_qla_host
*ha
,
3726 struct qla4_work_evt
*e
)
3728 unsigned long flags
;
3730 spin_lock_irqsave(&ha
->work_lock
, flags
);
3731 list_add_tail(&e
->list
, &ha
->work_list
);
3732 spin_unlock_irqrestore(&ha
->work_lock
, flags
);
3733 qla4xxx_wake_dpc(ha
);
3736 int qla4xxx_post_aen_work(struct scsi_qla_host
*ha
,
3737 enum iscsi_host_event_code aen_code
,
3738 uint32_t data_size
, uint8_t *data
)
3740 struct qla4_work_evt
*e
;
3742 e
= qla4xxx_alloc_work(ha
, data_size
, QLA4_EVENT_AEN
);
3746 e
->u
.aen
.code
= aen_code
;
3747 e
->u
.aen
.data_size
= data_size
;
3748 memcpy(e
->u
.aen
.data
, data
, data_size
);
3750 qla4xxx_post_work(ha
, e
);
3755 int qla4xxx_post_ping_evt_work(struct scsi_qla_host
*ha
,
3756 uint32_t status
, uint32_t pid
,
3757 uint32_t data_size
, uint8_t *data
)
3759 struct qla4_work_evt
*e
;
3761 e
= qla4xxx_alloc_work(ha
, data_size
, QLA4_EVENT_PING_STATUS
);
3765 e
->u
.ping
.status
= status
;
3766 e
->u
.ping
.pid
= pid
;
3767 e
->u
.ping
.data_size
= data_size
;
3768 memcpy(e
->u
.ping
.data
, data
, data_size
);
3770 qla4xxx_post_work(ha
, e
);
3775 static void qla4xxx_do_work(struct scsi_qla_host
*ha
)
3777 struct qla4_work_evt
*e
, *tmp
;
3778 unsigned long flags
;
3781 spin_lock_irqsave(&ha
->work_lock
, flags
);
3782 list_splice_init(&ha
->work_list
, &work
);
3783 spin_unlock_irqrestore(&ha
->work_lock
, flags
);
3785 list_for_each_entry_safe(e
, tmp
, &work
, list
) {
3786 list_del_init(&e
->list
);
3789 case QLA4_EVENT_AEN
:
3790 iscsi_post_host_event(ha
->host_no
,
3791 &qla4xxx_iscsi_transport
,
3796 case QLA4_EVENT_PING_STATUS
:
3797 iscsi_ping_comp_event(ha
->host_no
,
3798 &qla4xxx_iscsi_transport
,
3801 e
->u
.ping
.data_size
,
3805 ql4_printk(KERN_WARNING
, ha
, "event type: 0x%x not "
3806 "supported", e
->type
);
3813 * qla4xxx_do_dpc - dpc routine
3814 * @data: in our case pointer to adapter structure
3816 * This routine is a task that is schedule by the interrupt handler
3817 * to perform the background processing for interrupts. We put it
3818 * on a task queue that is consumed whenever the scheduler runs; that's
3819 * so you can do anything (i.e. put the process to sleep etc). In fact,
3820 * the mid-level tries to sleep when it reaches the driver threshold
3821 * "host->can_queue". This can cause a panic if we were in our interrupt code.
3823 static void qla4xxx_do_dpc(struct work_struct
*work
)
3825 struct scsi_qla_host
*ha
=
3826 container_of(work
, struct scsi_qla_host
, dpc_work
);
3827 int status
= QLA_ERROR
;
3829 DEBUG2(printk("scsi%ld: %s: DPC handler waking up."
3830 "flags = 0x%08lx, dpc_flags = 0x%08lx\n",
3831 ha
->host_no
, __func__
, ha
->flags
, ha
->dpc_flags
))
3833 /* Initialization not yet finished. Don't do anything yet. */
3834 if (!test_bit(AF_INIT_DONE
, &ha
->flags
))
3837 if (test_bit(AF_EEH_BUSY
, &ha
->flags
)) {
3838 DEBUG2(printk(KERN_INFO
"scsi%ld: %s: flags = %lx\n",
3839 ha
->host_no
, __func__
, ha
->flags
));
3843 /* post events to application */
3844 qla4xxx_do_work(ha
);
3846 if (is_qla80XX(ha
)) {
3847 if (test_bit(DPC_HA_UNRECOVERABLE
, &ha
->dpc_flags
)) {
3848 if (is_qla8032(ha
) || is_qla8042(ha
)) {
3849 ql4_printk(KERN_INFO
, ha
, "%s: disabling pause transmit on port 0 & 1.\n",
3851 /* disable pause frame for ISP83xx */
3852 qla4_83xx_disable_pause(ha
);
3855 ha
->isp_ops
->idc_lock(ha
);
3856 qla4_8xxx_wr_direct(ha
, QLA8XXX_CRB_DEV_STATE
,
3857 QLA8XXX_DEV_FAILED
);
3858 ha
->isp_ops
->idc_unlock(ha
);
3859 ql4_printk(KERN_INFO
, ha
, "HW State: FAILED\n");
3860 qla4_8xxx_device_state_handler(ha
);
3863 if (test_bit(DPC_POST_IDC_ACK
, &ha
->dpc_flags
)) {
3864 if (is_qla8042(ha
)) {
3865 if (ha
->idc_info
.info2
&
3866 ENABLE_INTERNAL_LOOPBACK
) {
3867 ql4_printk(KERN_INFO
, ha
, "%s: Disabling ACB\n",
3869 status
= qla4_84xx_config_acb(ha
,
3870 ACB_CONFIG_DISABLE
);
3871 if (status
!= QLA_SUCCESS
) {
3872 ql4_printk(KERN_INFO
, ha
, "%s: ACB config failed\n",
3877 qla4_83xx_post_idc_ack(ha
);
3878 clear_bit(DPC_POST_IDC_ACK
, &ha
->dpc_flags
);
3881 if (is_qla8042(ha
) &&
3882 test_bit(DPC_RESTORE_ACB
, &ha
->dpc_flags
)) {
3883 ql4_printk(KERN_INFO
, ha
, "%s: Restoring ACB\n",
3885 if (qla4_84xx_config_acb(ha
, ACB_CONFIG_SET
) !=
3887 ql4_printk(KERN_INFO
, ha
, "%s: ACB config failed ",
3890 clear_bit(DPC_RESTORE_ACB
, &ha
->dpc_flags
);
3893 if (test_and_clear_bit(DPC_HA_NEED_QUIESCENT
, &ha
->dpc_flags
)) {
3894 qla4_8xxx_need_qsnt_handler(ha
);
3898 if (!test_bit(DPC_RESET_ACTIVE
, &ha
->dpc_flags
) &&
3899 (test_bit(DPC_RESET_HA
, &ha
->dpc_flags
) ||
3900 test_bit(DPC_RESET_HA_INTR
, &ha
->dpc_flags
) ||
3901 test_bit(DPC_RESET_HA_FW_CONTEXT
, &ha
->dpc_flags
))) {
3902 if ((is_qla8022(ha
) && ql4xdontresethba
) ||
3903 ((is_qla8032(ha
) || is_qla8042(ha
)) &&
3904 qla4_83xx_idc_dontreset(ha
))) {
3905 DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n",
3906 ha
->host_no
, __func__
));
3907 clear_bit(DPC_RESET_HA
, &ha
->dpc_flags
);
3908 clear_bit(DPC_RESET_HA_INTR
, &ha
->dpc_flags
);
3909 clear_bit(DPC_RESET_HA_FW_CONTEXT
, &ha
->dpc_flags
);
3910 goto dpc_post_reset_ha
;
3912 if (test_bit(DPC_RESET_HA_FW_CONTEXT
, &ha
->dpc_flags
) ||
3913 test_bit(DPC_RESET_HA
, &ha
->dpc_flags
))
3914 qla4xxx_recover_adapter(ha
);
3916 if (test_bit(DPC_RESET_HA_INTR
, &ha
->dpc_flags
)) {
3917 uint8_t wait_time
= RESET_INTR_TOV
;
3919 while ((readw(&ha
->reg
->ctrl_status
) &
3920 (CSR_SOFT_RESET
| CSR_FORCE_SOFT_RESET
)) != 0) {
3921 if (--wait_time
== 0)
3926 DEBUG2(printk("scsi%ld: %s: SR|FSR "
3927 "bit not cleared-- resetting\n",
3928 ha
->host_no
, __func__
));
3929 qla4xxx_abort_active_cmds(ha
, DID_RESET
<< 16);
3930 if (ql4xxx_lock_drvr_wait(ha
) == QLA_SUCCESS
) {
3931 qla4xxx_process_aen(ha
, FLUSH_DDB_CHANGED_AENS
);
3932 status
= qla4xxx_recover_adapter(ha
);
3934 clear_bit(DPC_RESET_HA_INTR
, &ha
->dpc_flags
);
3935 if (status
== QLA_SUCCESS
)
3936 ha
->isp_ops
->enable_intrs(ha
);
3941 /* ---- process AEN? --- */
3942 if (test_and_clear_bit(DPC_AEN
, &ha
->dpc_flags
))
3943 qla4xxx_process_aen(ha
, PROCESS_ALL_AENS
);
3945 /* ---- Get DHCP IP Address? --- */
3946 if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR
, &ha
->dpc_flags
))
3947 qla4xxx_get_dhcp_ip_address(ha
);
3949 /* ---- relogin device? --- */
3950 if (adapter_up(ha
) &&
3951 test_and_clear_bit(DPC_RELOGIN_DEVICE
, &ha
->dpc_flags
)) {
3952 iscsi_host_for_each_session(ha
->host
, qla4xxx_dpc_relogin
);
3955 /* ---- link change? --- */
3956 if (!test_bit(AF_LOOPBACK
, &ha
->flags
) &&
3957 test_and_clear_bit(DPC_LINK_CHANGED
, &ha
->dpc_flags
)) {
3958 if (!test_bit(AF_LINK_UP
, &ha
->flags
)) {
3959 /* ---- link down? --- */
3960 qla4xxx_mark_all_devices_missing(ha
);
3962 /* ---- link up? --- *
3963 * F/W will auto login to all devices ONLY ONCE after
3964 * link up during driver initialization and runtime
3965 * fatal error recovery. Therefore, the driver must
3966 * manually relogin to devices when recovering from
3967 * connection failures, logouts, expired KATO, etc. */
3968 if (test_and_clear_bit(AF_BUILD_DDB_LIST
, &ha
->flags
)) {
3969 qla4xxx_build_ddb_list(ha
, ha
->is_reset
);
3970 iscsi_host_for_each_session(ha
->host
,
3971 qla4xxx_login_flash_ddb
);
3973 qla4xxx_relogin_all_devices(ha
);
3979 * qla4xxx_free_adapter - release the adapter
3980 * @ha: pointer to adapter structure
3982 static void qla4xxx_free_adapter(struct scsi_qla_host
*ha
)
3984 qla4xxx_abort_active_cmds(ha
, DID_NO_CONNECT
<< 16);
3986 /* Turn-off interrupts on the card. */
3987 ha
->isp_ops
->disable_intrs(ha
);
3989 if (is_qla40XX(ha
)) {
3990 writel(set_rmask(CSR_SCSI_PROCESSOR_INTR
),
3991 &ha
->reg
->ctrl_status
);
3992 readl(&ha
->reg
->ctrl_status
);
3993 } else if (is_qla8022(ha
)) {
3994 writel(0, &ha
->qla4_82xx_reg
->host_int
);
3995 readl(&ha
->qla4_82xx_reg
->host_int
);
3996 } else if (is_qla8032(ha
) || is_qla8042(ha
)) {
3997 writel(0, &ha
->qla4_83xx_reg
->risc_intr
);
3998 readl(&ha
->qla4_83xx_reg
->risc_intr
);
4001 /* Remove timer thread, if present */
4002 if (ha
->timer_active
)
4003 qla4xxx_stop_timer(ha
);
4005 /* Kill the kernel thread for this host */
4007 destroy_workqueue(ha
->dpc_thread
);
4009 /* Kill the kernel thread for this host */
4011 destroy_workqueue(ha
->task_wq
);
4013 /* Put firmware in known state */
4014 ha
->isp_ops
->reset_firmware(ha
);
4016 if (is_qla80XX(ha
)) {
4017 ha
->isp_ops
->idc_lock(ha
);
4018 qla4_8xxx_clear_drv_active(ha
);
4019 ha
->isp_ops
->idc_unlock(ha
);
4022 /* Detach interrupts */
4023 qla4xxx_free_irqs(ha
);
4025 /* free extra memory */
4026 qla4xxx_mem_free(ha
);
4029 int qla4_8xxx_iospace_config(struct scsi_qla_host
*ha
)
4032 unsigned long mem_base
, mem_len
, db_base
, db_len
;
4033 struct pci_dev
*pdev
= ha
->pdev
;
4035 status
= pci_request_regions(pdev
, DRIVER_NAME
);
4038 "scsi(%ld) Failed to reserve PIO regions (%s) "
4039 "status=%d\n", ha
->host_no
, pci_name(pdev
), status
);
4040 goto iospace_error_exit
;
4043 DEBUG2(printk(KERN_INFO
"%s: revision-id=%d\n",
4044 __func__
, pdev
->revision
));
4045 ha
->revision_id
= pdev
->revision
;
4047 /* remap phys address */
4048 mem_base
= pci_resource_start(pdev
, 0); /* 0 is for BAR 0 */
4049 mem_len
= pci_resource_len(pdev
, 0);
4050 DEBUG2(printk(KERN_INFO
"%s: ioremap from %lx a size of %lx\n",
4051 __func__
, mem_base
, mem_len
));
4053 /* mapping of pcibase pointer */
4054 ha
->nx_pcibase
= (unsigned long)ioremap(mem_base
, mem_len
);
4055 if (!ha
->nx_pcibase
) {
4057 "cannot remap MMIO (%s), aborting\n", pci_name(pdev
));
4058 pci_release_regions(ha
->pdev
);
4059 goto iospace_error_exit
;
4062 /* Mapping of IO base pointer, door bell read and write pointer */
4064 /* mapping of IO base pointer */
4065 if (is_qla8022(ha
)) {
4066 ha
->qla4_82xx_reg
= (struct device_reg_82xx __iomem
*)
4067 ((uint8_t *)ha
->nx_pcibase
+ 0xbc000 +
4068 (ha
->pdev
->devfn
<< 11));
4069 ha
->nx_db_wr_ptr
= (ha
->pdev
->devfn
== 4 ? QLA82XX_CAM_RAM_DB1
:
4070 QLA82XX_CAM_RAM_DB2
);
4071 } else if (is_qla8032(ha
) || is_qla8042(ha
)) {
4072 ha
->qla4_83xx_reg
= (struct device_reg_83xx __iomem
*)
4073 ((uint8_t *)ha
->nx_pcibase
);
4076 db_base
= pci_resource_start(pdev
, 4); /* doorbell is on bar 4 */
4077 db_len
= pci_resource_len(pdev
, 4);
4085 * qla4xxx_iospace_config - maps registers
4086 * @ha: pointer to adapter structure
4088 * This routines maps HBA's registers from the pci address space
4089 * into the kernel virtual address space for memory mapped i/o.
4091 int qla4xxx_iospace_config(struct scsi_qla_host
*ha
)
4093 unsigned long pio
, pio_len
, pio_flags
;
4094 unsigned long mmio
, mmio_len
, mmio_flags
;
4096 pio
= pci_resource_start(ha
->pdev
, 0);
4097 pio_len
= pci_resource_len(ha
->pdev
, 0);
4098 pio_flags
= pci_resource_flags(ha
->pdev
, 0);
4099 if (pio_flags
& IORESOURCE_IO
) {
4100 if (pio_len
< MIN_IOBASE_LEN
) {
4101 ql4_printk(KERN_WARNING
, ha
,
4102 "Invalid PCI I/O region size\n");
4106 ql4_printk(KERN_WARNING
, ha
, "region #0 not a PIO resource\n");
4110 /* Use MMIO operations for all accesses. */
4111 mmio
= pci_resource_start(ha
->pdev
, 1);
4112 mmio_len
= pci_resource_len(ha
->pdev
, 1);
4113 mmio_flags
= pci_resource_flags(ha
->pdev
, 1);
4115 if (!(mmio_flags
& IORESOURCE_MEM
)) {
4116 ql4_printk(KERN_ERR
, ha
,
4117 "region #0 not an MMIO resource, aborting\n");
4119 goto iospace_error_exit
;
4122 if (mmio_len
< MIN_IOBASE_LEN
) {
4123 ql4_printk(KERN_ERR
, ha
,
4124 "Invalid PCI mem region size, aborting\n");
4125 goto iospace_error_exit
;
4128 if (pci_request_regions(ha
->pdev
, DRIVER_NAME
)) {
4129 ql4_printk(KERN_WARNING
, ha
,
4130 "Failed to reserve PIO/MMIO regions\n");
4132 goto iospace_error_exit
;
4135 ha
->pio_address
= pio
;
4136 ha
->pio_length
= pio_len
;
4137 ha
->reg
= ioremap(mmio
, MIN_IOBASE_LEN
);
4139 ql4_printk(KERN_ERR
, ha
,
4140 "cannot remap MMIO, aborting\n");
4142 goto iospace_error_exit
;
4151 static struct isp_operations qla4xxx_isp_ops
= {
4152 .iospace_config
= qla4xxx_iospace_config
,
4153 .pci_config
= qla4xxx_pci_config
,
4154 .disable_intrs
= qla4xxx_disable_intrs
,
4155 .enable_intrs
= qla4xxx_enable_intrs
,
4156 .start_firmware
= qla4xxx_start_firmware
,
4157 .intr_handler
= qla4xxx_intr_handler
,
4158 .interrupt_service_routine
= qla4xxx_interrupt_service_routine
,
4159 .reset_chip
= qla4xxx_soft_reset
,
4160 .reset_firmware
= qla4xxx_hw_reset
,
4161 .queue_iocb
= qla4xxx_queue_iocb
,
4162 .complete_iocb
= qla4xxx_complete_iocb
,
4163 .rd_shdw_req_q_out
= qla4xxx_rd_shdw_req_q_out
,
4164 .rd_shdw_rsp_q_in
= qla4xxx_rd_shdw_rsp_q_in
,
4165 .get_sys_info
= qla4xxx_get_sys_info
,
4166 .queue_mailbox_command
= qla4xxx_queue_mbox_cmd
,
4167 .process_mailbox_interrupt
= qla4xxx_process_mbox_intr
,
4170 static struct isp_operations qla4_82xx_isp_ops
= {
4171 .iospace_config
= qla4_8xxx_iospace_config
,
4172 .pci_config
= qla4_8xxx_pci_config
,
4173 .disable_intrs
= qla4_82xx_disable_intrs
,
4174 .enable_intrs
= qla4_82xx_enable_intrs
,
4175 .start_firmware
= qla4_8xxx_load_risc
,
4176 .restart_firmware
= qla4_82xx_try_start_fw
,
4177 .intr_handler
= qla4_82xx_intr_handler
,
4178 .interrupt_service_routine
= qla4_82xx_interrupt_service_routine
,
4179 .need_reset
= qla4_8xxx_need_reset
,
4180 .reset_chip
= qla4_82xx_isp_reset
,
4181 .reset_firmware
= qla4_8xxx_stop_firmware
,
4182 .queue_iocb
= qla4_82xx_queue_iocb
,
4183 .complete_iocb
= qla4_82xx_complete_iocb
,
4184 .rd_shdw_req_q_out
= qla4_82xx_rd_shdw_req_q_out
,
4185 .rd_shdw_rsp_q_in
= qla4_82xx_rd_shdw_rsp_q_in
,
4186 .get_sys_info
= qla4_8xxx_get_sys_info
,
4187 .rd_reg_direct
= qla4_82xx_rd_32
,
4188 .wr_reg_direct
= qla4_82xx_wr_32
,
4189 .rd_reg_indirect
= qla4_82xx_md_rd_32
,
4190 .wr_reg_indirect
= qla4_82xx_md_wr_32
,
4191 .idc_lock
= qla4_82xx_idc_lock
,
4192 .idc_unlock
= qla4_82xx_idc_unlock
,
4193 .rom_lock_recovery
= qla4_82xx_rom_lock_recovery
,
4194 .queue_mailbox_command
= qla4_82xx_queue_mbox_cmd
,
4195 .process_mailbox_interrupt
= qla4_82xx_process_mbox_intr
,
4198 static struct isp_operations qla4_83xx_isp_ops
= {
4199 .iospace_config
= qla4_8xxx_iospace_config
,
4200 .pci_config
= qla4_8xxx_pci_config
,
4201 .disable_intrs
= qla4_83xx_disable_intrs
,
4202 .enable_intrs
= qla4_83xx_enable_intrs
,
4203 .start_firmware
= qla4_8xxx_load_risc
,
4204 .restart_firmware
= qla4_83xx_start_firmware
,
4205 .intr_handler
= qla4_83xx_intr_handler
,
4206 .interrupt_service_routine
= qla4_83xx_interrupt_service_routine
,
4207 .need_reset
= qla4_8xxx_need_reset
,
4208 .reset_chip
= qla4_83xx_isp_reset
,
4209 .reset_firmware
= qla4_8xxx_stop_firmware
,
4210 .queue_iocb
= qla4_83xx_queue_iocb
,
4211 .complete_iocb
= qla4_83xx_complete_iocb
,
4212 .rd_shdw_req_q_out
= qla4xxx_rd_shdw_req_q_out
,
4213 .rd_shdw_rsp_q_in
= qla4xxx_rd_shdw_rsp_q_in
,
4214 .get_sys_info
= qla4_8xxx_get_sys_info
,
4215 .rd_reg_direct
= qla4_83xx_rd_reg
,
4216 .wr_reg_direct
= qla4_83xx_wr_reg
,
4217 .rd_reg_indirect
= qla4_83xx_rd_reg_indirect
,
4218 .wr_reg_indirect
= qla4_83xx_wr_reg_indirect
,
4219 .idc_lock
= qla4_83xx_drv_lock
,
4220 .idc_unlock
= qla4_83xx_drv_unlock
,
4221 .rom_lock_recovery
= qla4_83xx_rom_lock_recovery
,
4222 .queue_mailbox_command
= qla4_83xx_queue_mbox_cmd
,
4223 .process_mailbox_interrupt
= qla4_83xx_process_mbox_intr
,
4226 uint16_t qla4xxx_rd_shdw_req_q_out(struct scsi_qla_host
*ha
)
4228 return (uint16_t)le32_to_cpu(ha
->shadow_regs
->req_q_out
);
4231 uint16_t qla4_82xx_rd_shdw_req_q_out(struct scsi_qla_host
*ha
)
4233 return (uint16_t)le32_to_cpu(readl(&ha
->qla4_82xx_reg
->req_q_out
));
4236 uint16_t qla4xxx_rd_shdw_rsp_q_in(struct scsi_qla_host
*ha
)
4238 return (uint16_t)le32_to_cpu(ha
->shadow_regs
->rsp_q_in
);
4241 uint16_t qla4_82xx_rd_shdw_rsp_q_in(struct scsi_qla_host
*ha
)
4243 return (uint16_t)le32_to_cpu(readl(&ha
->qla4_82xx_reg
->rsp_q_in
));
4246 static ssize_t
qla4xxx_show_boot_eth_info(void *data
, int type
, char *buf
)
4248 struct scsi_qla_host
*ha
= data
;
4253 case ISCSI_BOOT_ETH_FLAGS
:
4254 rc
= sprintf(str
, "%d\n", SYSFS_FLAG_FW_SEL_BOOT
);
4256 case ISCSI_BOOT_ETH_INDEX
:
4257 rc
= sprintf(str
, "0\n");
4259 case ISCSI_BOOT_ETH_MAC
:
4260 rc
= sysfs_format_mac(str
, ha
->my_mac
,
4270 static umode_t
qla4xxx_eth_get_attr_visibility(void *data
, int type
)
4275 case ISCSI_BOOT_ETH_FLAGS
:
4276 case ISCSI_BOOT_ETH_MAC
:
4277 case ISCSI_BOOT_ETH_INDEX
:
4287 static ssize_t
qla4xxx_show_boot_ini_info(void *data
, int type
, char *buf
)
4289 struct scsi_qla_host
*ha
= data
;
4294 case ISCSI_BOOT_INI_INITIATOR_NAME
:
4295 rc
= sprintf(str
, "%s\n", ha
->name_string
);
4304 static umode_t
qla4xxx_ini_get_attr_visibility(void *data
, int type
)
4309 case ISCSI_BOOT_INI_INITIATOR_NAME
:
4320 qla4xxx_show_boot_tgt_info(struct ql4_boot_session_info
*boot_sess
, int type
,
4323 struct ql4_conn_info
*boot_conn
= &boot_sess
->conn_list
[0];
4328 case ISCSI_BOOT_TGT_NAME
:
4329 rc
= sprintf(buf
, "%s\n", (char *)&boot_sess
->target_name
);
4331 case ISCSI_BOOT_TGT_IP_ADDR
:
4332 if (boot_sess
->conn_list
[0].dest_ipaddr
.ip_type
== 0x1)
4333 rc
= sprintf(buf
, "%pI4\n",
4334 &boot_conn
->dest_ipaddr
.ip_address
);
4336 rc
= sprintf(str
, "%pI6\n",
4337 &boot_conn
->dest_ipaddr
.ip_address
);
4339 case ISCSI_BOOT_TGT_PORT
:
4340 rc
= sprintf(str
, "%d\n", boot_conn
->dest_port
);
4342 case ISCSI_BOOT_TGT_CHAP_NAME
:
4343 rc
= sprintf(str
, "%.*s\n",
4344 boot_conn
->chap
.target_chap_name_length
,
4345 (char *)&boot_conn
->chap
.target_chap_name
);
4347 case ISCSI_BOOT_TGT_CHAP_SECRET
:
4348 rc
= sprintf(str
, "%.*s\n",
4349 boot_conn
->chap
.target_secret_length
,
4350 (char *)&boot_conn
->chap
.target_secret
);
4352 case ISCSI_BOOT_TGT_REV_CHAP_NAME
:
4353 rc
= sprintf(str
, "%.*s\n",
4354 boot_conn
->chap
.intr_chap_name_length
,
4355 (char *)&boot_conn
->chap
.intr_chap_name
);
4357 case ISCSI_BOOT_TGT_REV_CHAP_SECRET
:
4358 rc
= sprintf(str
, "%.*s\n",
4359 boot_conn
->chap
.intr_secret_length
,
4360 (char *)&boot_conn
->chap
.intr_secret
);
4362 case ISCSI_BOOT_TGT_FLAGS
:
4363 rc
= sprintf(str
, "%d\n", SYSFS_FLAG_FW_SEL_BOOT
);
4365 case ISCSI_BOOT_TGT_NIC_ASSOC
:
4366 rc
= sprintf(str
, "0\n");
4375 static ssize_t
qla4xxx_show_boot_tgt_pri_info(void *data
, int type
, char *buf
)
4377 struct scsi_qla_host
*ha
= data
;
4378 struct ql4_boot_session_info
*boot_sess
= &(ha
->boot_tgt
.boot_pri_sess
);
4380 return qla4xxx_show_boot_tgt_info(boot_sess
, type
, buf
);
4383 static ssize_t
qla4xxx_show_boot_tgt_sec_info(void *data
, int type
, char *buf
)
4385 struct scsi_qla_host
*ha
= data
;
4386 struct ql4_boot_session_info
*boot_sess
= &(ha
->boot_tgt
.boot_sec_sess
);
4388 return qla4xxx_show_boot_tgt_info(boot_sess
, type
, buf
);
4391 static umode_t
qla4xxx_tgt_get_attr_visibility(void *data
, int type
)
4396 case ISCSI_BOOT_TGT_NAME
:
4397 case ISCSI_BOOT_TGT_IP_ADDR
:
4398 case ISCSI_BOOT_TGT_PORT
:
4399 case ISCSI_BOOT_TGT_CHAP_NAME
:
4400 case ISCSI_BOOT_TGT_CHAP_SECRET
:
4401 case ISCSI_BOOT_TGT_REV_CHAP_NAME
:
4402 case ISCSI_BOOT_TGT_REV_CHAP_SECRET
:
4403 case ISCSI_BOOT_TGT_NIC_ASSOC
:
4404 case ISCSI_BOOT_TGT_FLAGS
:
4414 static void qla4xxx_boot_release(void *data
)
4416 struct scsi_qla_host
*ha
= data
;
4418 scsi_host_put(ha
->host
);
4421 static int get_fw_boot_info(struct scsi_qla_host
*ha
, uint16_t ddb_index
[])
4424 uint32_t addr
, pri_addr
, sec_addr
;
4428 uint8_t *buf
= NULL
;
4429 size_t size
= 13 * sizeof(uint8_t);
4430 int ret
= QLA_SUCCESS
;
4432 func_num
= PCI_FUNC(ha
->pdev
->devfn
);
4434 ql4_printk(KERN_INFO
, ha
, "%s: Get FW boot info for 0x%x func %d\n",
4435 __func__
, ha
->pdev
->device
, func_num
);
4437 if (is_qla40XX(ha
)) {
4438 if (func_num
== 1) {
4439 addr
= NVRAM_PORT0_BOOT_MODE
;
4440 pri_addr
= NVRAM_PORT0_BOOT_PRI_TGT
;
4441 sec_addr
= NVRAM_PORT0_BOOT_SEC_TGT
;
4442 } else if (func_num
== 3) {
4443 addr
= NVRAM_PORT1_BOOT_MODE
;
4444 pri_addr
= NVRAM_PORT1_BOOT_PRI_TGT
;
4445 sec_addr
= NVRAM_PORT1_BOOT_SEC_TGT
;
4448 goto exit_boot_info
;
4451 /* Check Boot Mode */
4452 val
= rd_nvram_byte(ha
, addr
);
4453 if (!(val
& 0x07)) {
4454 DEBUG2(ql4_printk(KERN_INFO
, ha
, "%s: Adapter boot "
4455 "options : 0x%x\n", __func__
, val
));
4457 goto exit_boot_info
;
4460 /* get primary valid target index */
4461 val
= rd_nvram_byte(ha
, pri_addr
);
4463 ddb_index
[0] = (val
& 0x7f);
4465 /* get secondary valid target index */
4466 val
= rd_nvram_byte(ha
, sec_addr
);
4468 ddb_index
[1] = (val
& 0x7f);
4470 } else if (is_qla80XX(ha
)) {
4471 buf
= dma_alloc_coherent(&ha
->pdev
->dev
, size
,
4472 &buf_dma
, GFP_KERNEL
);
4474 DEBUG2(ql4_printk(KERN_ERR
, ha
,
4475 "%s: Unable to allocate dma buffer\n",
4478 goto exit_boot_info
;
4481 if (ha
->port_num
== 0)
4482 offset
= BOOT_PARAM_OFFSET_PORT0
;
4483 else if (ha
->port_num
== 1)
4484 offset
= BOOT_PARAM_OFFSET_PORT1
;
4487 goto exit_boot_info_free
;
4489 addr
= FLASH_RAW_ACCESS_ADDR
+ (ha
->hw
.flt_iscsi_param
* 4) +
4491 if (qla4xxx_get_flash(ha
, buf_dma
, addr
,
4492 13 * sizeof(uint8_t)) != QLA_SUCCESS
) {
4493 DEBUG2(ql4_printk(KERN_ERR
, ha
, "scsi%ld: %s: Get Flash"
4494 " failed\n", ha
->host_no
, __func__
));
4496 goto exit_boot_info_free
;
4498 /* Check Boot Mode */
4499 if (!(buf
[1] & 0x07)) {
4500 DEBUG2(ql4_printk(KERN_INFO
, ha
, "Firmware boot options"
4501 " : 0x%x\n", buf
[1]));
4503 goto exit_boot_info_free
;
4506 /* get primary valid target index */
4508 ddb_index
[0] = buf
[2] & 0x7f;
4510 /* get secondary valid target index */
4511 if (buf
[11] & BIT_7
)
4512 ddb_index
[1] = buf
[11] & 0x7f;
4515 goto exit_boot_info
;
4518 DEBUG2(ql4_printk(KERN_INFO
, ha
, "%s: Primary target ID %d, Secondary"
4519 " target ID %d\n", __func__
, ddb_index
[0],
4522 exit_boot_info_free
:
4523 dma_free_coherent(&ha
->pdev
->dev
, size
, buf
, buf_dma
);
4525 ha
->pri_ddb_idx
= ddb_index
[0];
4526 ha
->sec_ddb_idx
= ddb_index
[1];
4531 * qla4xxx_get_bidi_chap - Get a BIDI CHAP user and password
4532 * @ha: pointer to adapter structure
4533 * @username: CHAP username to be returned
4534 * @password: CHAP password to be returned
4536 * If a boot entry has BIDI CHAP enabled then we need to set the BIDI CHAP
4537 * user and password in the sysfs entry in /sys/firmware/iscsi_boot#/.
4538 * So from the CHAP cache find the first BIDI CHAP entry and set it
4539 * to the boot record in sysfs.
4541 static int qla4xxx_get_bidi_chap(struct scsi_qla_host
*ha
, char *username
,
4544 int i
, ret
= -EINVAL
;
4545 int max_chap_entries
= 0;
4546 struct ql4_chap_table
*chap_table
;
4549 max_chap_entries
= (ha
->hw
.flt_chap_size
/ 2) /
4550 sizeof(struct ql4_chap_table
);
4552 max_chap_entries
= MAX_CHAP_ENTRIES_40XX
;
4554 if (!ha
->chap_list
) {
4555 ql4_printk(KERN_ERR
, ha
, "Do not have CHAP table cache\n");
4559 mutex_lock(&ha
->chap_sem
);
4560 for (i
= 0; i
< max_chap_entries
; i
++) {
4561 chap_table
= (struct ql4_chap_table
*)ha
->chap_list
+ i
;
4562 if (chap_table
->cookie
!=
4563 __constant_cpu_to_le16(CHAP_VALID_COOKIE
)) {
4567 if (chap_table
->flags
& BIT_7
) /* local */
4570 if (!(chap_table
->flags
& BIT_6
)) /* Not BIDI */
4573 strncpy(password
, chap_table
->secret
, QL4_CHAP_MAX_SECRET_LEN
);
4574 strncpy(username
, chap_table
->name
, QL4_CHAP_MAX_NAME_LEN
);
4578 mutex_unlock(&ha
->chap_sem
);
4584 static int qla4xxx_get_boot_target(struct scsi_qla_host
*ha
,
4585 struct ql4_boot_session_info
*boot_sess
,
4588 struct ql4_conn_info
*boot_conn
= &boot_sess
->conn_list
[0];
4589 struct dev_db_entry
*fw_ddb_entry
;
4590 dma_addr_t fw_ddb_entry_dma
;
4593 int ret
= QLA_SUCCESS
;
4595 fw_ddb_entry
= dma_alloc_coherent(&ha
->pdev
->dev
, sizeof(*fw_ddb_entry
),
4596 &fw_ddb_entry_dma
, GFP_KERNEL
);
4597 if (!fw_ddb_entry
) {
4598 DEBUG2(ql4_printk(KERN_ERR
, ha
,
4599 "%s: Unable to allocate dma buffer.\n",
4605 if (qla4xxx_bootdb_by_index(ha
, fw_ddb_entry
,
4606 fw_ddb_entry_dma
, ddb_index
)) {
4607 DEBUG2(ql4_printk(KERN_INFO
, ha
, "%s: No Flash DDB found at "
4608 "index [%d]\n", __func__
, ddb_index
));
4610 goto exit_boot_target
;
4613 /* Update target name and IP from DDB */
4614 memcpy(boot_sess
->target_name
, fw_ddb_entry
->iscsi_name
,
4615 min(sizeof(boot_sess
->target_name
),
4616 sizeof(fw_ddb_entry
->iscsi_name
)));
4618 options
= le16_to_cpu(fw_ddb_entry
->options
);
4619 if (options
& DDB_OPT_IPV6_DEVICE
) {
4620 memcpy(&boot_conn
->dest_ipaddr
.ip_address
,
4621 &fw_ddb_entry
->ip_addr
[0], IPv6_ADDR_LEN
);
4623 boot_conn
->dest_ipaddr
.ip_type
= 0x1;
4624 memcpy(&boot_conn
->dest_ipaddr
.ip_address
,
4625 &fw_ddb_entry
->ip_addr
[0], IP_ADDR_LEN
);
4628 boot_conn
->dest_port
= le16_to_cpu(fw_ddb_entry
->port
);
4630 /* update chap information */
4631 idx
= __le16_to_cpu(fw_ddb_entry
->chap_tbl_idx
);
4633 if (BIT_7
& le16_to_cpu(fw_ddb_entry
->iscsi_options
)) {
4635 DEBUG2(ql4_printk(KERN_INFO
, ha
, "Setting chap\n"));
4637 ret
= qla4xxx_get_chap(ha
, (char *)&boot_conn
->chap
.
4639 (char *)&boot_conn
->chap
.target_secret
,
4642 ql4_printk(KERN_ERR
, ha
, "Failed to set chap\n");
4644 goto exit_boot_target
;
4647 boot_conn
->chap
.target_chap_name_length
= QL4_CHAP_MAX_NAME_LEN
;
4648 boot_conn
->chap
.target_secret_length
= QL4_CHAP_MAX_SECRET_LEN
;
4651 if (BIT_4
& le16_to_cpu(fw_ddb_entry
->iscsi_options
)) {
4653 DEBUG2(ql4_printk(KERN_INFO
, ha
, "Setting BIDI chap\n"));
4655 ret
= qla4xxx_get_bidi_chap(ha
,
4656 (char *)&boot_conn
->chap
.intr_chap_name
,
4657 (char *)&boot_conn
->chap
.intr_secret
);
4660 ql4_printk(KERN_ERR
, ha
, "Failed to set BIDI chap\n");
4662 goto exit_boot_target
;
4665 boot_conn
->chap
.intr_chap_name_length
= QL4_CHAP_MAX_NAME_LEN
;
4666 boot_conn
->chap
.intr_secret_length
= QL4_CHAP_MAX_SECRET_LEN
;
4670 dma_free_coherent(&ha
->pdev
->dev
, sizeof(*fw_ddb_entry
),
4671 fw_ddb_entry
, fw_ddb_entry_dma
);
4675 static int qla4xxx_get_boot_info(struct scsi_qla_host
*ha
)
4677 uint16_t ddb_index
[2];
4678 int ret
= QLA_ERROR
;
4681 memset(ddb_index
, 0, sizeof(ddb_index
));
4682 ddb_index
[0] = 0xffff;
4683 ddb_index
[1] = 0xffff;
4684 ret
= get_fw_boot_info(ha
, ddb_index
);
4685 if (ret
!= QLA_SUCCESS
) {
4686 DEBUG2(ql4_printk(KERN_INFO
, ha
,
4687 "%s: No boot target configured.\n", __func__
));
4691 if (ql4xdisablesysfsboot
)
4694 if (ddb_index
[0] == 0xffff)
4697 rval
= qla4xxx_get_boot_target(ha
, &(ha
->boot_tgt
.boot_pri_sess
),
4699 if (rval
!= QLA_SUCCESS
) {
4700 DEBUG2(ql4_printk(KERN_INFO
, ha
, "%s: Primary boot target not "
4701 "configured\n", __func__
));
4706 if (ddb_index
[1] == 0xffff)
4707 goto exit_get_boot_info
;
4709 rval
= qla4xxx_get_boot_target(ha
, &(ha
->boot_tgt
.boot_sec_sess
),
4711 if (rval
!= QLA_SUCCESS
) {
4712 DEBUG2(ql4_printk(KERN_INFO
, ha
, "%s: Secondary boot target not"
4713 " configured\n", __func__
));
4721 static int qla4xxx_setup_boot_info(struct scsi_qla_host
*ha
)
4723 struct iscsi_boot_kobj
*boot_kobj
;
4725 if (qla4xxx_get_boot_info(ha
) != QLA_SUCCESS
)
4728 if (ql4xdisablesysfsboot
) {
4729 ql4_printk(KERN_INFO
, ha
,
4730 "%s: syfsboot disabled - driver will trigger login "
4731 "and publish session for discovery .\n", __func__
);
4736 ha
->boot_kset
= iscsi_boot_create_host_kset(ha
->host
->host_no
);
4740 if (!scsi_host_get(ha
->host
))
4742 boot_kobj
= iscsi_boot_create_target(ha
->boot_kset
, 0, ha
,
4743 qla4xxx_show_boot_tgt_pri_info
,
4744 qla4xxx_tgt_get_attr_visibility
,
4745 qla4xxx_boot_release
);
4749 if (!scsi_host_get(ha
->host
))
4751 boot_kobj
= iscsi_boot_create_target(ha
->boot_kset
, 1, ha
,
4752 qla4xxx_show_boot_tgt_sec_info
,
4753 qla4xxx_tgt_get_attr_visibility
,
4754 qla4xxx_boot_release
);
4758 if (!scsi_host_get(ha
->host
))
4760 boot_kobj
= iscsi_boot_create_initiator(ha
->boot_kset
, 0, ha
,
4761 qla4xxx_show_boot_ini_info
,
4762 qla4xxx_ini_get_attr_visibility
,
4763 qla4xxx_boot_release
);
4767 if (!scsi_host_get(ha
->host
))
4769 boot_kobj
= iscsi_boot_create_ethernet(ha
->boot_kset
, 0, ha
,
4770 qla4xxx_show_boot_eth_info
,
4771 qla4xxx_eth_get_attr_visibility
,
4772 qla4xxx_boot_release
);
4779 scsi_host_put(ha
->host
);
4781 iscsi_boot_destroy_kset(ha
->boot_kset
);
4787 * qla4xxx_create chap_list - Create CHAP list from FLASH
4788 * @ha: pointer to adapter structure
4790 * Read flash and make a list of CHAP entries, during login when a CHAP entry
4791 * is received, it will be checked in this list. If entry exist then the CHAP
4792 * entry index is set in the DDB. If CHAP entry does not exist in this list
4793 * then a new entry is added in FLASH in CHAP table and the index obtained is
4796 static void qla4xxx_create_chap_list(struct scsi_qla_host
*ha
)
4799 uint8_t *chap_flash_data
= NULL
;
4801 dma_addr_t chap_dma
;
4802 uint32_t chap_size
= 0;
4805 chap_size
= MAX_CHAP_ENTRIES_40XX
*
4806 sizeof(struct ql4_chap_table
);
4807 else /* Single region contains CHAP info for both
4808 * ports which is divided into half for each port.
4810 chap_size
= ha
->hw
.flt_chap_size
/ 2;
4812 chap_flash_data
= dma_alloc_coherent(&ha
->pdev
->dev
, chap_size
,
4813 &chap_dma
, GFP_KERNEL
);
4814 if (!chap_flash_data
) {
4815 ql4_printk(KERN_ERR
, ha
, "No memory for chap_flash_data\n");
4819 offset
= FLASH_CHAP_OFFSET
;
4821 offset
= FLASH_RAW_ACCESS_ADDR
+ (ha
->hw
.flt_region_chap
<< 2);
4822 if (ha
->port_num
== 1)
4823 offset
+= chap_size
;
4826 rval
= qla4xxx_get_flash(ha
, chap_dma
, offset
, chap_size
);
4827 if (rval
!= QLA_SUCCESS
)
4828 goto exit_chap_list
;
4830 if (ha
->chap_list
== NULL
)
4831 ha
->chap_list
= vmalloc(chap_size
);
4832 if (ha
->chap_list
== NULL
) {
4833 ql4_printk(KERN_ERR
, ha
, "No memory for ha->chap_list\n");
4834 goto exit_chap_list
;
4837 memcpy(ha
->chap_list
, chap_flash_data
, chap_size
);
4840 dma_free_coherent(&ha
->pdev
->dev
, chap_size
,
4841 chap_flash_data
, chap_dma
);
4844 static void qla4xxx_get_param_ddb(struct ddb_entry
*ddb_entry
,
4845 struct ql4_tuple_ddb
*tddb
)
4847 struct scsi_qla_host
*ha
;
4848 struct iscsi_cls_session
*cls_sess
;
4849 struct iscsi_cls_conn
*cls_conn
;
4850 struct iscsi_session
*sess
;
4851 struct iscsi_conn
*conn
;
4853 DEBUG2(printk(KERN_INFO
"Func: %s\n", __func__
));
4855 cls_sess
= ddb_entry
->sess
;
4856 sess
= cls_sess
->dd_data
;
4857 cls_conn
= ddb_entry
->conn
;
4858 conn
= cls_conn
->dd_data
;
4860 tddb
->tpgt
= sess
->tpgt
;
4861 tddb
->port
= conn
->persistent_port
;
4862 strncpy(tddb
->iscsi_name
, sess
->targetname
, ISCSI_NAME_SIZE
);
4863 strncpy(tddb
->ip_addr
, conn
->persistent_address
, DDB_IPADDR_LEN
);
4866 static void qla4xxx_convert_param_ddb(struct dev_db_entry
*fw_ddb_entry
,
4867 struct ql4_tuple_ddb
*tddb
,
4868 uint8_t *flash_isid
)
4870 uint16_t options
= 0;
4872 tddb
->tpgt
= le32_to_cpu(fw_ddb_entry
->tgt_portal_grp
);
4873 memcpy(&tddb
->iscsi_name
[0], &fw_ddb_entry
->iscsi_name
[0],
4874 min(sizeof(tddb
->iscsi_name
), sizeof(fw_ddb_entry
->iscsi_name
)));
4876 options
= le16_to_cpu(fw_ddb_entry
->options
);
4877 if (options
& DDB_OPT_IPV6_DEVICE
)
4878 sprintf(tddb
->ip_addr
, "%pI6", fw_ddb_entry
->ip_addr
);
4880 sprintf(tddb
->ip_addr
, "%pI4", fw_ddb_entry
->ip_addr
);
4882 tddb
->port
= le16_to_cpu(fw_ddb_entry
->port
);
4884 if (flash_isid
== NULL
)
4885 memcpy(&tddb
->isid
[0], &fw_ddb_entry
->isid
[0],
4886 sizeof(tddb
->isid
));
4888 memcpy(&tddb
->isid
[0], &flash_isid
[0], sizeof(tddb
->isid
));
4891 static int qla4xxx_compare_tuple_ddb(struct scsi_qla_host
*ha
,
4892 struct ql4_tuple_ddb
*old_tddb
,
4893 struct ql4_tuple_ddb
*new_tddb
,
4894 uint8_t is_isid_compare
)
4896 if (strcmp(old_tddb
->iscsi_name
, new_tddb
->iscsi_name
))
4899 if (strcmp(old_tddb
->ip_addr
, new_tddb
->ip_addr
))
4902 if (old_tddb
->port
!= new_tddb
->port
)
4905 /* For multi sessions, driver generates the ISID, so do not compare
4906 * ISID in reset path since it would be a comparison between the
4907 * driver generated ISID and firmware generated ISID. This could
4908 * lead to adding duplicated DDBs in the list as driver generated
4909 * ISID would not match firmware generated ISID.
4911 if (is_isid_compare
) {
4912 DEBUG2(ql4_printk(KERN_INFO
, ha
, "%s: old ISID [%02x%02x%02x"
4913 "%02x%02x%02x] New ISID [%02x%02x%02x%02x%02x%02x]\n",
4914 __func__
, old_tddb
->isid
[5], old_tddb
->isid
[4],
4915 old_tddb
->isid
[3], old_tddb
->isid
[2], old_tddb
->isid
[1],
4916 old_tddb
->isid
[0], new_tddb
->isid
[5], new_tddb
->isid
[4],
4917 new_tddb
->isid
[3], new_tddb
->isid
[2], new_tddb
->isid
[1],
4918 new_tddb
->isid
[0]));
4920 if (memcmp(&old_tddb
->isid
[0], &new_tddb
->isid
[0],
4921 sizeof(old_tddb
->isid
)))
4925 DEBUG2(ql4_printk(KERN_INFO
, ha
,
4926 "Match Found, fw[%d,%d,%s,%s], [%d,%d,%s,%s]",
4927 old_tddb
->port
, old_tddb
->tpgt
, old_tddb
->ip_addr
,
4928 old_tddb
->iscsi_name
, new_tddb
->port
, new_tddb
->tpgt
,
4929 new_tddb
->ip_addr
, new_tddb
->iscsi_name
));
4934 static int qla4xxx_is_session_exists(struct scsi_qla_host
*ha
,
4935 struct dev_db_entry
*fw_ddb_entry
,
4938 struct ddb_entry
*ddb_entry
;
4939 struct ql4_tuple_ddb
*fw_tddb
= NULL
;
4940 struct ql4_tuple_ddb
*tmp_tddb
= NULL
;
4942 int ret
= QLA_ERROR
;
4944 fw_tddb
= vzalloc(sizeof(*fw_tddb
));
4946 DEBUG2(ql4_printk(KERN_WARNING
, ha
,
4947 "Memory Allocation failed.\n"));
4952 tmp_tddb
= vzalloc(sizeof(*tmp_tddb
));
4954 DEBUG2(ql4_printk(KERN_WARNING
, ha
,
4955 "Memory Allocation failed.\n"));
4960 qla4xxx_convert_param_ddb(fw_ddb_entry
, fw_tddb
, NULL
);
4962 for (idx
= 0; idx
< MAX_DDB_ENTRIES
; idx
++) {
4963 ddb_entry
= qla4xxx_lookup_ddb_by_fw_index(ha
, idx
);
4964 if (ddb_entry
== NULL
)
4967 qla4xxx_get_param_ddb(ddb_entry
, tmp_tddb
);
4968 if (!qla4xxx_compare_tuple_ddb(ha
, fw_tddb
, tmp_tddb
, false)) {
4969 ret
= QLA_SUCCESS
; /* found */
4985 * qla4xxx_check_existing_isid - check if target with same isid exist
4987 * @list_nt: list of target
4988 * @isid: isid to check
4990 * This routine return QLA_SUCCESS if target with same isid exist
4992 static int qla4xxx_check_existing_isid(struct list_head
*list_nt
, uint8_t *isid
)
4994 struct qla_ddb_index
*nt_ddb_idx
, *nt_ddb_idx_tmp
;
4995 struct dev_db_entry
*fw_ddb_entry
;
4997 list_for_each_entry_safe(nt_ddb_idx
, nt_ddb_idx_tmp
, list_nt
, list
) {
4998 fw_ddb_entry
= &nt_ddb_idx
->fw_ddb
;
5000 if (memcmp(&fw_ddb_entry
->isid
[0], &isid
[0],
5001 sizeof(nt_ddb_idx
->fw_ddb
.isid
)) == 0) {
5009 * qla4xxx_update_isid - compare ddbs and updated isid
5010 * @ha: Pointer to host adapter structure.
5011 * @list_nt: list of nt target
5012 * @fw_ddb_entry: firmware ddb entry
5014 * This routine update isid if ddbs have same iqn, same isid and
5015 * different IP addr.
5016 * Return QLA_SUCCESS if isid is updated.
5018 static int qla4xxx_update_isid(struct scsi_qla_host
*ha
,
5019 struct list_head
*list_nt
,
5020 struct dev_db_entry
*fw_ddb_entry
)
5022 uint8_t base_value
, i
;
5024 base_value
= fw_ddb_entry
->isid
[1] & 0x1f;
5025 for (i
= 0; i
< 8; i
++) {
5026 fw_ddb_entry
->isid
[1] = (base_value
| (i
<< 5));
5027 if (qla4xxx_check_existing_isid(list_nt
, fw_ddb_entry
->isid
))
5031 if (!qla4xxx_check_existing_isid(list_nt
, fw_ddb_entry
->isid
))
5038 * qla4xxx_should_update_isid - check if isid need to update
5039 * @ha: Pointer to host adapter structure.
5040 * @old_tddb: ddb tuple
5041 * @new_tddb: ddb tuple
5043 * Return QLA_SUCCESS if different IP, different PORT, same iqn,
5046 static int qla4xxx_should_update_isid(struct scsi_qla_host
*ha
,
5047 struct ql4_tuple_ddb
*old_tddb
,
5048 struct ql4_tuple_ddb
*new_tddb
)
5050 if (strcmp(old_tddb
->ip_addr
, new_tddb
->ip_addr
) == 0) {
5052 if (old_tddb
->port
== new_tddb
->port
)
5056 if (strcmp(old_tddb
->iscsi_name
, new_tddb
->iscsi_name
))
5060 if (memcmp(&old_tddb
->isid
[0], &new_tddb
->isid
[0],
5061 sizeof(old_tddb
->isid
)))
5062 /* different isid */
5069 * qla4xxx_is_flash_ddb_exists - check if fw_ddb_entry already exists in list_nt
5070 * @ha: Pointer to host adapter structure.
5071 * @list_nt: list of nt target.
5072 * @fw_ddb_entry: firmware ddb entry.
5074 * This routine check if fw_ddb_entry already exists in list_nt to avoid
5075 * duplicate ddb in list_nt.
5076 * Return QLA_SUCCESS if duplicate ddb exit in list_nl.
5077 * Note: This function also update isid of DDB if required.
5080 static int qla4xxx_is_flash_ddb_exists(struct scsi_qla_host
*ha
,
5081 struct list_head
*list_nt
,
5082 struct dev_db_entry
*fw_ddb_entry
)
5084 struct qla_ddb_index
*nt_ddb_idx
, *nt_ddb_idx_tmp
;
5085 struct ql4_tuple_ddb
*fw_tddb
= NULL
;
5086 struct ql4_tuple_ddb
*tmp_tddb
= NULL
;
5087 int rval
, ret
= QLA_ERROR
;
5089 fw_tddb
= vzalloc(sizeof(*fw_tddb
));
5091 DEBUG2(ql4_printk(KERN_WARNING
, ha
,
5092 "Memory Allocation failed.\n"));
5097 tmp_tddb
= vzalloc(sizeof(*tmp_tddb
));
5099 DEBUG2(ql4_printk(KERN_WARNING
, ha
,
5100 "Memory Allocation failed.\n"));
5105 qla4xxx_convert_param_ddb(fw_ddb_entry
, fw_tddb
, NULL
);
5107 list_for_each_entry_safe(nt_ddb_idx
, nt_ddb_idx_tmp
, list_nt
, list
) {
5108 qla4xxx_convert_param_ddb(&nt_ddb_idx
->fw_ddb
, tmp_tddb
,
5109 nt_ddb_idx
->flash_isid
);
5110 ret
= qla4xxx_compare_tuple_ddb(ha
, fw_tddb
, tmp_tddb
, true);
5111 /* found duplicate ddb */
5112 if (ret
== QLA_SUCCESS
)
5116 list_for_each_entry_safe(nt_ddb_idx
, nt_ddb_idx_tmp
, list_nt
, list
) {
5117 qla4xxx_convert_param_ddb(&nt_ddb_idx
->fw_ddb
, tmp_tddb
, NULL
);
5119 ret
= qla4xxx_should_update_isid(ha
, tmp_tddb
, fw_tddb
);
5120 if (ret
== QLA_SUCCESS
) {
5121 rval
= qla4xxx_update_isid(ha
, list_nt
, fw_ddb_entry
);
5122 if (rval
== QLA_SUCCESS
)
5139 static void qla4xxx_free_ddb_list(struct list_head
*list_ddb
)
5141 struct qla_ddb_index
*ddb_idx
, *ddb_idx_tmp
;
5143 list_for_each_entry_safe(ddb_idx
, ddb_idx_tmp
, list_ddb
, list
) {
5144 list_del_init(&ddb_idx
->list
);
5149 static struct iscsi_endpoint
*qla4xxx_get_ep_fwdb(struct scsi_qla_host
*ha
,
5150 struct dev_db_entry
*fw_ddb_entry
)
5152 struct iscsi_endpoint
*ep
;
5153 struct sockaddr_in
*addr
;
5154 struct sockaddr_in6
*addr6
;
5155 struct sockaddr
*t_addr
;
5156 struct sockaddr_storage
*dst_addr
;
5159 /* TODO: need to destroy on unload iscsi_endpoint*/
5160 dst_addr
= vmalloc(sizeof(*dst_addr
));
5164 if (fw_ddb_entry
->options
& DDB_OPT_IPV6_DEVICE
) {
5165 t_addr
= (struct sockaddr
*)dst_addr
;
5166 t_addr
->sa_family
= AF_INET6
;
5167 addr6
= (struct sockaddr_in6
*)dst_addr
;
5168 ip
= (char *)&addr6
->sin6_addr
;
5169 memcpy(ip
, fw_ddb_entry
->ip_addr
, IPv6_ADDR_LEN
);
5170 addr6
->sin6_port
= htons(le16_to_cpu(fw_ddb_entry
->port
));
5173 t_addr
= (struct sockaddr
*)dst_addr
;
5174 t_addr
->sa_family
= AF_INET
;
5175 addr
= (struct sockaddr_in
*)dst_addr
;
5176 ip
= (char *)&addr
->sin_addr
;
5177 memcpy(ip
, fw_ddb_entry
->ip_addr
, IP_ADDR_LEN
);
5178 addr
->sin_port
= htons(le16_to_cpu(fw_ddb_entry
->port
));
5181 ep
= qla4xxx_ep_connect(ha
->host
, (struct sockaddr
*)dst_addr
, 0);
5186 static int qla4xxx_verify_boot_idx(struct scsi_qla_host
*ha
, uint16_t idx
)
5188 if (ql4xdisablesysfsboot
)
5190 if (idx
== ha
->pri_ddb_idx
|| idx
== ha
->sec_ddb_idx
)
5195 static void qla4xxx_setup_flash_ddb_entry(struct scsi_qla_host
*ha
,
5196 struct ddb_entry
*ddb_entry
,
5199 uint16_t def_timeout
;
5201 ddb_entry
->ddb_type
= FLASH_DDB
;
5202 ddb_entry
->fw_ddb_index
= INVALID_ENTRY
;
5203 ddb_entry
->fw_ddb_device_state
= DDB_DS_NO_CONNECTION_ACTIVE
;
5205 ddb_entry
->unblock_sess
= qla4xxx_unblock_flash_ddb
;
5206 ddb_entry
->ddb_change
= qla4xxx_flash_ddb_change
;
5208 atomic_set(&ddb_entry
->retry_relogin_timer
, INVALID_ENTRY
);
5209 atomic_set(&ddb_entry
->relogin_timer
, 0);
5210 atomic_set(&ddb_entry
->relogin_retry_count
, 0);
5211 def_timeout
= le16_to_cpu(ddb_entry
->fw_ddb_entry
.def_timeout
);
5212 ddb_entry
->default_relogin_timeout
=
5213 (def_timeout
> LOGIN_TOV
) && (def_timeout
< LOGIN_TOV
* 10) ?
5214 def_timeout
: LOGIN_TOV
;
5215 ddb_entry
->default_time2wait
=
5216 le16_to_cpu(ddb_entry
->fw_ddb_entry
.iscsi_def_time2wait
);
5218 if (ql4xdisablesysfsboot
&&
5219 (idx
== ha
->pri_ddb_idx
|| idx
== ha
->sec_ddb_idx
))
5220 set_bit(DF_BOOT_TGT
, &ddb_entry
->flags
);
5223 static void qla4xxx_wait_for_ip_configuration(struct scsi_qla_host
*ha
)
5226 uint32_t ip_idx
[IP_ADDR_COUNT
] = {0, 1, 2, 3}; /* 4 IP interfaces */
5227 uint32_t sts
[MBOX_REG_COUNT
];
5229 unsigned long wtime
;
5232 wtime
= jiffies
+ (HZ
* IP_CONFIG_TOV
);
5234 for (idx
= 0; idx
< IP_ADDR_COUNT
; idx
++) {
5235 if (ip_idx
[idx
] == -1)
5238 ret
= qla4xxx_get_ip_state(ha
, 0, ip_idx
[idx
], sts
);
5240 if (ret
== QLA_ERROR
) {
5245 ip_state
= (sts
[1] & IP_STATE_MASK
) >> IP_STATE_SHIFT
;
5247 DEBUG2(ql4_printk(KERN_INFO
, ha
,
5248 "Waiting for IP state for idx = %d, state = 0x%x\n",
5249 ip_idx
[idx
], ip_state
));
5250 if (ip_state
== IP_ADDRSTATE_UNCONFIGURED
||
5251 ip_state
== IP_ADDRSTATE_INVALID
||
5252 ip_state
== IP_ADDRSTATE_PREFERRED
||
5253 ip_state
== IP_ADDRSTATE_DEPRICATED
||
5254 ip_state
== IP_ADDRSTATE_DISABLING
)
5258 /* Break if all IP states checked */
5259 if ((ip_idx
[0] == -1) &&
5260 (ip_idx
[1] == -1) &&
5261 (ip_idx
[2] == -1) &&
5264 schedule_timeout_uninterruptible(HZ
);
5265 } while (time_after(wtime
, jiffies
));
5268 static int qla4xxx_cmp_fw_stentry(struct dev_db_entry
*fw_ddb_entry
,
5269 struct dev_db_entry
*flash_ddb_entry
)
5271 uint16_t options
= 0;
5272 size_t ip_len
= IP_ADDR_LEN
;
5274 options
= le16_to_cpu(fw_ddb_entry
->options
);
5275 if (options
& DDB_OPT_IPV6_DEVICE
)
5276 ip_len
= IPv6_ADDR_LEN
;
5278 if (memcmp(fw_ddb_entry
->ip_addr
, flash_ddb_entry
->ip_addr
, ip_len
))
5281 if (memcmp(&fw_ddb_entry
->isid
[0], &flash_ddb_entry
->isid
[0],
5282 sizeof(fw_ddb_entry
->isid
)))
5285 if (memcmp(&fw_ddb_entry
->port
, &flash_ddb_entry
->port
,
5286 sizeof(fw_ddb_entry
->port
)))
5292 static int qla4xxx_find_flash_st_idx(struct scsi_qla_host
*ha
,
5293 struct dev_db_entry
*fw_ddb_entry
,
5294 uint32_t fw_idx
, uint32_t *flash_index
)
5296 struct dev_db_entry
*flash_ddb_entry
;
5297 dma_addr_t flash_ddb_entry_dma
;
5300 int ret
= QLA_ERROR
, status
;
5302 max_ddbs
= is_qla40XX(ha
) ? MAX_DEV_DB_ENTRIES_40XX
:
5305 flash_ddb_entry
= dma_pool_alloc(ha
->fw_ddb_dma_pool
, GFP_KERNEL
,
5306 &flash_ddb_entry_dma
);
5307 if (flash_ddb_entry
== NULL
|| fw_ddb_entry
== NULL
) {
5308 ql4_printk(KERN_ERR
, ha
, "Out of memory\n");
5309 goto exit_find_st_idx
;
5312 status
= qla4xxx_flashdb_by_index(ha
, flash_ddb_entry
,
5313 flash_ddb_entry_dma
, fw_idx
);
5314 if (status
== QLA_SUCCESS
) {
5315 status
= qla4xxx_cmp_fw_stentry(fw_ddb_entry
, flash_ddb_entry
);
5316 if (status
== QLA_SUCCESS
) {
5317 *flash_index
= fw_idx
;
5319 goto exit_find_st_idx
;
5323 for (idx
= 0; idx
< max_ddbs
; idx
++) {
5324 status
= qla4xxx_flashdb_by_index(ha
, flash_ddb_entry
,
5325 flash_ddb_entry_dma
, idx
);
5326 if (status
== QLA_ERROR
)
5329 status
= qla4xxx_cmp_fw_stentry(fw_ddb_entry
, flash_ddb_entry
);
5330 if (status
== QLA_SUCCESS
) {
5333 goto exit_find_st_idx
;
5337 if (idx
== max_ddbs
)
5338 ql4_printk(KERN_ERR
, ha
, "Failed to find ST [%d] in flash\n",
5342 if (flash_ddb_entry
)
5343 dma_pool_free(ha
->fw_ddb_dma_pool
, flash_ddb_entry
,
5344 flash_ddb_entry_dma
);
5349 static void qla4xxx_build_st_list(struct scsi_qla_host
*ha
,
5350 struct list_head
*list_st
)
5352 struct qla_ddb_index
*st_ddb_idx
;
5355 struct dev_db_entry
*fw_ddb_entry
;
5356 dma_addr_t fw_ddb_dma
;
5358 uint32_t idx
= 0, next_idx
= 0;
5359 uint32_t state
= 0, conn_err
= 0;
5360 uint32_t flash_index
= -1;
5361 uint16_t conn_id
= 0;
5363 fw_ddb_entry
= dma_pool_alloc(ha
->fw_ddb_dma_pool
, GFP_KERNEL
,
5365 if (fw_ddb_entry
== NULL
) {
5366 DEBUG2(ql4_printk(KERN_ERR
, ha
, "Out of memory\n"));
5370 max_ddbs
= is_qla40XX(ha
) ? MAX_DEV_DB_ENTRIES_40XX
:
5372 fw_idx_size
= sizeof(struct qla_ddb_index
);
5374 for (idx
= 0; idx
< max_ddbs
; idx
= next_idx
) {
5375 ret
= qla4xxx_get_fwddb_entry(ha
, idx
, fw_ddb_entry
, fw_ddb_dma
,
5376 NULL
, &next_idx
, &state
,
5377 &conn_err
, NULL
, &conn_id
);
5378 if (ret
== QLA_ERROR
)
5381 /* Ignore DDB if invalid state (unassigned) */
5382 if (state
== DDB_DS_UNASSIGNED
)
5383 goto continue_next_st
;
5385 /* Check if ST, add to the list_st */
5386 if (strlen((char *) fw_ddb_entry
->iscsi_name
) != 0)
5387 goto continue_next_st
;
5389 st_ddb_idx
= vzalloc(fw_idx_size
);
5393 ret
= qla4xxx_find_flash_st_idx(ha
, fw_ddb_entry
, idx
,
5395 if (ret
== QLA_ERROR
) {
5396 ql4_printk(KERN_ERR
, ha
,
5397 "No flash entry for ST at idx [%d]\n", idx
);
5398 st_ddb_idx
->flash_ddb_idx
= idx
;
5400 ql4_printk(KERN_INFO
, ha
,
5401 "ST at idx [%d] is stored at flash [%d]\n",
5403 st_ddb_idx
->flash_ddb_idx
= flash_index
;
5406 st_ddb_idx
->fw_ddb_idx
= idx
;
5408 list_add_tail(&st_ddb_idx
->list
, list_st
);
5416 dma_pool_free(ha
->fw_ddb_dma_pool
, fw_ddb_entry
, fw_ddb_dma
);
5420 * qla4xxx_remove_failed_ddb - Remove inactive or failed ddb from list
5421 * @ha: pointer to adapter structure
5422 * @list_ddb: List from which failed ddb to be removed
5424 * Iterate over the list of DDBs and find and remove DDBs that are either in
5425 * no connection active state or failed state
5427 static void qla4xxx_remove_failed_ddb(struct scsi_qla_host
*ha
,
5428 struct list_head
*list_ddb
)
5430 struct qla_ddb_index
*ddb_idx
, *ddb_idx_tmp
;
5431 uint32_t next_idx
= 0;
5432 uint32_t state
= 0, conn_err
= 0;
5435 list_for_each_entry_safe(ddb_idx
, ddb_idx_tmp
, list_ddb
, list
) {
5436 ret
= qla4xxx_get_fwddb_entry(ha
, ddb_idx
->fw_ddb_idx
,
5437 NULL
, 0, NULL
, &next_idx
, &state
,
5438 &conn_err
, NULL
, NULL
);
5439 if (ret
== QLA_ERROR
)
5442 if (state
== DDB_DS_NO_CONNECTION_ACTIVE
||
5443 state
== DDB_DS_SESSION_FAILED
) {
5444 list_del_init(&ddb_idx
->list
);
5450 static void qla4xxx_update_sess_disc_idx(struct scsi_qla_host
*ha
,
5451 struct ddb_entry
*ddb_entry
,
5452 struct dev_db_entry
*fw_ddb_entry
)
5454 struct iscsi_cls_session
*cls_sess
;
5455 struct iscsi_session
*sess
;
5456 uint32_t max_ddbs
= 0;
5457 uint16_t ddb_link
= -1;
5459 max_ddbs
= is_qla40XX(ha
) ? MAX_DEV_DB_ENTRIES_40XX
:
5462 cls_sess
= ddb_entry
->sess
;
5463 sess
= cls_sess
->dd_data
;
5465 ddb_link
= le16_to_cpu(fw_ddb_entry
->ddb_link
);
5466 if (ddb_link
< max_ddbs
)
5467 sess
->discovery_parent_idx
= ddb_link
;
5469 sess
->discovery_parent_idx
= DDB_NO_LINK
;
5472 static int qla4xxx_sess_conn_setup(struct scsi_qla_host
*ha
,
5473 struct dev_db_entry
*fw_ddb_entry
,
5474 int is_reset
, uint16_t idx
)
5476 struct iscsi_cls_session
*cls_sess
;
5477 struct iscsi_session
*sess
;
5478 struct iscsi_cls_conn
*cls_conn
;
5479 struct iscsi_endpoint
*ep
;
5480 uint16_t cmds_max
= 32;
5481 uint16_t conn_id
= 0;
5482 uint32_t initial_cmdsn
= 0;
5483 int ret
= QLA_SUCCESS
;
5485 struct ddb_entry
*ddb_entry
= NULL
;
5487 /* Create session object, with INVALID_ENTRY,
5488 * the targer_id would get set when we issue the login
5490 cls_sess
= iscsi_session_setup(&qla4xxx_iscsi_transport
, ha
->host
,
5491 cmds_max
, sizeof(struct ddb_entry
),
5492 sizeof(struct ql4_task_data
),
5493 initial_cmdsn
, INVALID_ENTRY
);
5500 * so calling module_put function to decrement the
5503 module_put(qla4xxx_iscsi_transport
.owner
);
5504 sess
= cls_sess
->dd_data
;
5505 ddb_entry
= sess
->dd_data
;
5506 ddb_entry
->sess
= cls_sess
;
5508 cls_sess
->recovery_tmo
= ql4xsess_recovery_tmo
;
5509 memcpy(&ddb_entry
->fw_ddb_entry
, fw_ddb_entry
,
5510 sizeof(struct dev_db_entry
));
5512 qla4xxx_setup_flash_ddb_entry(ha
, ddb_entry
, idx
);
5514 cls_conn
= iscsi_conn_setup(cls_sess
, sizeof(struct qla_conn
), conn_id
);
5521 ddb_entry
->conn
= cls_conn
;
5523 /* Setup ep, for displaying attributes in sysfs */
5524 ep
= qla4xxx_get_ep_fwdb(ha
, fw_ddb_entry
);
5526 ep
->conn
= cls_conn
;
5529 DEBUG2(ql4_printk(KERN_ERR
, ha
, "Unable to get ep\n"));
5534 /* Update sess/conn params */
5535 qla4xxx_copy_fwddb_param(ha
, fw_ddb_entry
, cls_sess
, cls_conn
);
5536 qla4xxx_update_sess_disc_idx(ha
, ddb_entry
, fw_ddb_entry
);
5538 if (is_reset
== RESET_ADAPTER
) {
5539 iscsi_block_session(cls_sess
);
5540 /* Use the relogin path to discover new devices
5541 * by short-circuting the logic of setting
5542 * timer to relogin - instead set the flags
5543 * to initiate login right away.
5545 set_bit(DPC_RELOGIN_DEVICE
, &ha
->dpc_flags
);
5546 set_bit(DF_RELOGIN
, &ddb_entry
->flags
);
5553 static void qla4xxx_update_fw_ddb_link(struct scsi_qla_host
*ha
,
5554 struct list_head
*list_ddb
,
5555 struct dev_db_entry
*fw_ddb_entry
)
5557 struct qla_ddb_index
*ddb_idx
, *ddb_idx_tmp
;
5560 ddb_link
= le16_to_cpu(fw_ddb_entry
->ddb_link
);
5562 list_for_each_entry_safe(ddb_idx
, ddb_idx_tmp
, list_ddb
, list
) {
5563 if (ddb_idx
->fw_ddb_idx
== ddb_link
) {
5564 DEBUG2(ql4_printk(KERN_INFO
, ha
,
5565 "Updating NT parent idx from [%d] to [%d]\n",
5566 ddb_link
, ddb_idx
->flash_ddb_idx
));
5567 fw_ddb_entry
->ddb_link
=
5568 cpu_to_le16(ddb_idx
->flash_ddb_idx
);
5574 static void qla4xxx_build_nt_list(struct scsi_qla_host
*ha
,
5575 struct list_head
*list_nt
,
5576 struct list_head
*list_st
,
5579 struct dev_db_entry
*fw_ddb_entry
;
5580 struct ddb_entry
*ddb_entry
= NULL
;
5581 dma_addr_t fw_ddb_dma
;
5585 uint32_t idx
= 0, next_idx
= 0;
5586 uint32_t state
= 0, conn_err
= 0;
5587 uint32_t ddb_idx
= -1;
5588 uint16_t conn_id
= 0;
5589 uint16_t ddb_link
= -1;
5590 struct qla_ddb_index
*nt_ddb_idx
;
5592 fw_ddb_entry
= dma_pool_alloc(ha
->fw_ddb_dma_pool
, GFP_KERNEL
,
5594 if (fw_ddb_entry
== NULL
) {
5595 DEBUG2(ql4_printk(KERN_ERR
, ha
, "Out of memory\n"));
5598 max_ddbs
= is_qla40XX(ha
) ? MAX_DEV_DB_ENTRIES_40XX
:
5600 fw_idx_size
= sizeof(struct qla_ddb_index
);
5602 for (idx
= 0; idx
< max_ddbs
; idx
= next_idx
) {
5603 ret
= qla4xxx_get_fwddb_entry(ha
, idx
, fw_ddb_entry
, fw_ddb_dma
,
5604 NULL
, &next_idx
, &state
,
5605 &conn_err
, NULL
, &conn_id
);
5606 if (ret
== QLA_ERROR
)
5609 if (qla4xxx_verify_boot_idx(ha
, idx
) != QLA_SUCCESS
)
5610 goto continue_next_nt
;
5612 /* Check if NT, then add to list it */
5613 if (strlen((char *) fw_ddb_entry
->iscsi_name
) == 0)
5614 goto continue_next_nt
;
5616 ddb_link
= le16_to_cpu(fw_ddb_entry
->ddb_link
);
5617 if (ddb_link
< max_ddbs
)
5618 qla4xxx_update_fw_ddb_link(ha
, list_st
, fw_ddb_entry
);
5620 if (!(state
== DDB_DS_NO_CONNECTION_ACTIVE
||
5621 state
== DDB_DS_SESSION_FAILED
) &&
5622 (is_reset
== INIT_ADAPTER
))
5623 goto continue_next_nt
;
5625 DEBUG2(ql4_printk(KERN_INFO
, ha
,
5626 "Adding DDB to session = 0x%x\n", idx
));
5628 if (is_reset
== INIT_ADAPTER
) {
5629 nt_ddb_idx
= vmalloc(fw_idx_size
);
5633 nt_ddb_idx
->fw_ddb_idx
= idx
;
5635 /* Copy original isid as it may get updated in function
5636 * qla4xxx_update_isid(). We need original isid in
5637 * function qla4xxx_compare_tuple_ddb to find duplicate
5639 memcpy(&nt_ddb_idx
->flash_isid
[0],
5640 &fw_ddb_entry
->isid
[0],
5641 sizeof(nt_ddb_idx
->flash_isid
));
5643 ret
= qla4xxx_is_flash_ddb_exists(ha
, list_nt
,
5645 if (ret
== QLA_SUCCESS
) {
5646 /* free nt_ddb_idx and do not add to list_nt */
5648 goto continue_next_nt
;
5651 /* Copy updated isid */
5652 memcpy(&nt_ddb_idx
->fw_ddb
, fw_ddb_entry
,
5653 sizeof(struct dev_db_entry
));
5655 list_add_tail(&nt_ddb_idx
->list
, list_nt
);
5656 } else if (is_reset
== RESET_ADAPTER
) {
5657 ret
= qla4xxx_is_session_exists(ha
, fw_ddb_entry
,
5659 if (ret
== QLA_SUCCESS
) {
5660 ddb_entry
= qla4xxx_lookup_ddb_by_fw_index(ha
,
5662 if (ddb_entry
!= NULL
)
5663 qla4xxx_update_sess_disc_idx(ha
,
5666 goto continue_next_nt
;
5670 ret
= qla4xxx_sess_conn_setup(ha
, fw_ddb_entry
, is_reset
, idx
);
5671 if (ret
== QLA_ERROR
)
5681 dma_pool_free(ha
->fw_ddb_dma_pool
, fw_ddb_entry
, fw_ddb_dma
);
5684 static void qla4xxx_build_new_nt_list(struct scsi_qla_host
*ha
,
5685 struct list_head
*list_nt
,
5688 struct dev_db_entry
*fw_ddb_entry
;
5689 dma_addr_t fw_ddb_dma
;
5693 uint32_t idx
= 0, next_idx
= 0;
5694 uint32_t state
= 0, conn_err
= 0;
5695 uint16_t conn_id
= 0;
5696 struct qla_ddb_index
*nt_ddb_idx
;
5698 fw_ddb_entry
= dma_pool_alloc(ha
->fw_ddb_dma_pool
, GFP_KERNEL
,
5700 if (fw_ddb_entry
== NULL
) {
5701 DEBUG2(ql4_printk(KERN_ERR
, ha
, "Out of memory\n"));
5702 goto exit_new_nt_list
;
5704 max_ddbs
= is_qla40XX(ha
) ? MAX_DEV_DB_ENTRIES_40XX
:
5706 fw_idx_size
= sizeof(struct qla_ddb_index
);
5708 for (idx
= 0; idx
< max_ddbs
; idx
= next_idx
) {
5709 ret
= qla4xxx_get_fwddb_entry(ha
, idx
, fw_ddb_entry
, fw_ddb_dma
,
5710 NULL
, &next_idx
, &state
,
5711 &conn_err
, NULL
, &conn_id
);
5712 if (ret
== QLA_ERROR
)
5715 /* Check if NT, then add it to list */
5716 if (strlen((char *)fw_ddb_entry
->iscsi_name
) == 0)
5717 goto continue_next_new_nt
;
5719 if (!(state
== DDB_DS_NO_CONNECTION_ACTIVE
))
5720 goto continue_next_new_nt
;
5722 DEBUG2(ql4_printk(KERN_INFO
, ha
,
5723 "Adding DDB to session = 0x%x\n", idx
));
5725 nt_ddb_idx
= vmalloc(fw_idx_size
);
5729 nt_ddb_idx
->fw_ddb_idx
= idx
;
5731 ret
= qla4xxx_is_session_exists(ha
, fw_ddb_entry
, NULL
);
5732 if (ret
== QLA_SUCCESS
) {
5733 /* free nt_ddb_idx and do not add to list_nt */
5735 goto continue_next_new_nt
;
5738 if (target_id
< max_ddbs
)
5739 fw_ddb_entry
->ddb_link
= cpu_to_le16(target_id
);
5741 list_add_tail(&nt_ddb_idx
->list
, list_nt
);
5743 ret
= qla4xxx_sess_conn_setup(ha
, fw_ddb_entry
, RESET_ADAPTER
,
5745 if (ret
== QLA_ERROR
)
5746 goto exit_new_nt_list
;
5748 continue_next_new_nt
:
5755 dma_pool_free(ha
->fw_ddb_dma_pool
, fw_ddb_entry
, fw_ddb_dma
);
5759 * qla4xxx_sysfs_ddb_is_non_persistent - check for non-persistence of ddb entry
5760 * @dev: dev associated with the sysfs entry
5761 * @data: pointer to flashnode session object
5764 * 1: if flashnode entry is non-persistent
5765 * 0: if flashnode entry is persistent
5767 static int qla4xxx_sysfs_ddb_is_non_persistent(struct device
*dev
, void *data
)
5769 struct iscsi_bus_flash_session
*fnode_sess
;
5771 if (!iscsi_flashnode_bus_match(dev
, NULL
))
5774 fnode_sess
= iscsi_dev_to_flash_session(dev
);
5776 return (fnode_sess
->flash_state
== DEV_DB_NON_PERSISTENT
);
5780 * qla4xxx_sysfs_ddb_tgt_create - Create sysfs entry for target
5781 * @ha: pointer to host
5782 * @fw_ddb_entry: flash ddb data
5783 * @idx: target index
5784 * @user: if set then this call is made from userland else from kernel
5787 * On sucess: QLA_SUCCESS
5788 * On failure: QLA_ERROR
5790 * This create separate sysfs entries for session and connection attributes of
5791 * the given fw ddb entry.
5792 * If this is invoked as a result of a userspace call then the entry is marked
5793 * as nonpersistent using flash_state field.
5795 static int qla4xxx_sysfs_ddb_tgt_create(struct scsi_qla_host
*ha
,
5796 struct dev_db_entry
*fw_ddb_entry
,
5797 uint16_t *idx
, int user
)
5799 struct iscsi_bus_flash_session
*fnode_sess
= NULL
;
5800 struct iscsi_bus_flash_conn
*fnode_conn
= NULL
;
5803 fnode_sess
= iscsi_create_flashnode_sess(ha
->host
, *idx
,
5804 &qla4xxx_iscsi_transport
, 0);
5806 ql4_printk(KERN_ERR
, ha
,
5807 "%s: Unable to create session sysfs entry for flashnode %d of host%lu\n",
5808 __func__
, *idx
, ha
->host_no
);
5809 goto exit_tgt_create
;
5812 fnode_conn
= iscsi_create_flashnode_conn(ha
->host
, fnode_sess
,
5813 &qla4xxx_iscsi_transport
, 0);
5815 ql4_printk(KERN_ERR
, ha
,
5816 "%s: Unable to create conn sysfs entry for flashnode %d of host%lu\n",
5817 __func__
, *idx
, ha
->host_no
);
5822 fnode_sess
->flash_state
= DEV_DB_NON_PERSISTENT
;
5824 fnode_sess
->flash_state
= DEV_DB_PERSISTENT
;
5826 if (*idx
== ha
->pri_ddb_idx
|| *idx
== ha
->sec_ddb_idx
)
5827 fnode_sess
->is_boot_target
= 1;
5829 fnode_sess
->is_boot_target
= 0;
5832 rc
= qla4xxx_copy_from_fwddb_param(fnode_sess
, fnode_conn
,
5835 ql4_printk(KERN_INFO
, ha
, "%s: sysfs entry %s created\n",
5836 __func__
, fnode_sess
->dev
.kobj
.name
);
5838 ql4_printk(KERN_INFO
, ha
, "%s: sysfs entry %s created\n",
5839 __func__
, fnode_conn
->dev
.kobj
.name
);
5844 iscsi_destroy_flashnode_sess(fnode_sess
);
5851 * qla4xxx_sysfs_ddb_add - Add new ddb entry in flash
5852 * @shost: pointer to host
5853 * @buf: type of ddb entry (ipv4/ipv6)
5854 * @len: length of buf
5856 * This creates new ddb entry in the flash by finding first free index and
5857 * storing default ddb there. And then create sysfs entry for the new ddb entry.
5859 static int qla4xxx_sysfs_ddb_add(struct Scsi_Host
*shost
, const char *buf
,
5862 struct scsi_qla_host
*ha
= to_qla_host(shost
);
5863 struct dev_db_entry
*fw_ddb_entry
= NULL
;
5864 dma_addr_t fw_ddb_entry_dma
;
5867 uint16_t max_ddbs
= 0;
5868 uint32_t options
= 0;
5869 uint32_t rval
= QLA_ERROR
;
5871 if (strncasecmp(PORTAL_TYPE_IPV4
, buf
, 4) &&
5872 strncasecmp(PORTAL_TYPE_IPV6
, buf
, 4)) {
5873 DEBUG2(ql4_printk(KERN_ERR
, ha
, "%s: Invalid portal type\n",
5878 max_ddbs
= is_qla40XX(ha
) ? MAX_PRST_DEV_DB_ENTRIES
:
5881 fw_ddb_entry
= dma_alloc_coherent(&ha
->pdev
->dev
, sizeof(*fw_ddb_entry
),
5882 &fw_ddb_entry_dma
, GFP_KERNEL
);
5883 if (!fw_ddb_entry
) {
5884 DEBUG2(ql4_printk(KERN_ERR
, ha
,
5885 "%s: Unable to allocate dma buffer\n",
5890 dev
= iscsi_find_flashnode_sess(ha
->host
, NULL
,
5891 qla4xxx_sysfs_ddb_is_non_persistent
);
5893 ql4_printk(KERN_ERR
, ha
,
5894 "%s: A non-persistent entry %s found\n",
5895 __func__
, dev
->kobj
.name
);
5900 /* Index 0 and 1 are reserved for boot target entries */
5901 for (idx
= 2; idx
< max_ddbs
; idx
++) {
5902 if (qla4xxx_flashdb_by_index(ha
, fw_ddb_entry
,
5903 fw_ddb_entry_dma
, idx
))
5907 if (idx
== max_ddbs
)
5910 if (!strncasecmp("ipv6", buf
, 4))
5911 options
|= IPV6_DEFAULT_DDB_ENTRY
;
5913 rval
= qla4xxx_get_default_ddb(ha
, options
, fw_ddb_entry_dma
);
5914 if (rval
== QLA_ERROR
)
5917 rval
= qla4xxx_sysfs_ddb_tgt_create(ha
, fw_ddb_entry
, &idx
, 1);
5921 dma_free_coherent(&ha
->pdev
->dev
, sizeof(*fw_ddb_entry
),
5922 fw_ddb_entry
, fw_ddb_entry_dma
);
5923 if (rval
== QLA_SUCCESS
)
5930 * qla4xxx_sysfs_ddb_apply - write the target ddb contents to Flash
5931 * @fnode_sess: pointer to session attrs of flash ddb entry
5932 * @fnode_conn: pointer to connection attrs of flash ddb entry
5934 * This writes the contents of target ddb buffer to Flash with a valid cookie
5935 * value in order to make the ddb entry persistent.
5937 static int qla4xxx_sysfs_ddb_apply(struct iscsi_bus_flash_session
*fnode_sess
,
5938 struct iscsi_bus_flash_conn
*fnode_conn
)
5940 struct Scsi_Host
*shost
= iscsi_flash_session_to_shost(fnode_sess
);
5941 struct scsi_qla_host
*ha
= to_qla_host(shost
);
5942 uint32_t dev_db_start_offset
= FLASH_OFFSET_DB_INFO
;
5943 struct dev_db_entry
*fw_ddb_entry
= NULL
;
5944 dma_addr_t fw_ddb_entry_dma
;
5945 uint32_t options
= 0;
5948 fw_ddb_entry
= dma_alloc_coherent(&ha
->pdev
->dev
, sizeof(*fw_ddb_entry
),
5949 &fw_ddb_entry_dma
, GFP_KERNEL
);
5950 if (!fw_ddb_entry
) {
5951 DEBUG2(ql4_printk(KERN_ERR
, ha
,
5952 "%s: Unable to allocate dma buffer\n",
5955 goto exit_ddb_apply
;
5958 if (!strncasecmp(fnode_sess
->portal_type
, PORTAL_TYPE_IPV6
, 4))
5959 options
|= IPV6_DEFAULT_DDB_ENTRY
;
5961 rval
= qla4xxx_get_default_ddb(ha
, options
, fw_ddb_entry_dma
);
5962 if (rval
== QLA_ERROR
)
5963 goto exit_ddb_apply
;
5965 dev_db_start_offset
+= (fnode_sess
->target_id
*
5966 sizeof(*fw_ddb_entry
));
5968 qla4xxx_copy_to_fwddb_param(fnode_sess
, fnode_conn
, fw_ddb_entry
);
5969 fw_ddb_entry
->cookie
= DDB_VALID_COOKIE
;
5971 rval
= qla4xxx_set_flash(ha
, fw_ddb_entry_dma
, dev_db_start_offset
,
5972 sizeof(*fw_ddb_entry
), FLASH_OPT_RMW_COMMIT
);
5974 if (rval
== QLA_SUCCESS
) {
5975 fnode_sess
->flash_state
= DEV_DB_PERSISTENT
;
5976 ql4_printk(KERN_INFO
, ha
,
5977 "%s: flash node %u of host %lu written to flash\n",
5978 __func__
, fnode_sess
->target_id
, ha
->host_no
);
5981 ql4_printk(KERN_ERR
, ha
,
5982 "%s: Error while writing flash node %u of host %lu to flash\n",
5983 __func__
, fnode_sess
->target_id
, ha
->host_no
);
5988 dma_free_coherent(&ha
->pdev
->dev
, sizeof(*fw_ddb_entry
),
5989 fw_ddb_entry
, fw_ddb_entry_dma
);
5993 static ssize_t
qla4xxx_sysfs_ddb_conn_open(struct scsi_qla_host
*ha
,
5994 struct dev_db_entry
*fw_ddb_entry
,
5997 struct dev_db_entry
*ddb_entry
= NULL
;
5998 dma_addr_t ddb_entry_dma
;
5999 unsigned long wtime
;
6000 uint32_t mbx_sts
= 0;
6001 uint32_t state
= 0, conn_err
= 0;
6005 ddb_entry
= dma_alloc_coherent(&ha
->pdev
->dev
, sizeof(*ddb_entry
),
6006 &ddb_entry_dma
, GFP_KERNEL
);
6008 DEBUG2(ql4_printk(KERN_ERR
, ha
,
6009 "%s: Unable to allocate dma buffer\n",
6014 memcpy(ddb_entry
, fw_ddb_entry
, sizeof(*ddb_entry
));
6016 ret
= qla4xxx_set_ddb_entry(ha
, idx
, ddb_entry_dma
, &mbx_sts
);
6017 if (ret
!= QLA_SUCCESS
) {
6018 DEBUG2(ql4_printk(KERN_ERR
, ha
,
6019 "%s: Unable to set ddb entry for index %d\n",
6021 goto exit_ddb_conn_open
;
6024 qla4xxx_conn_open(ha
, idx
);
6026 /* To ensure that sendtargets is done, wait for at least 12 secs */
6027 tmo
= ((ha
->def_timeout
> LOGIN_TOV
) &&
6028 (ha
->def_timeout
< LOGIN_TOV
* 10) ?
6029 ha
->def_timeout
: LOGIN_TOV
);
6031 DEBUG2(ql4_printk(KERN_INFO
, ha
,
6032 "Default time to wait for login to ddb %d\n", tmo
));
6034 wtime
= jiffies
+ (HZ
* tmo
);
6036 ret
= qla4xxx_get_fwddb_entry(ha
, idx
, NULL
, 0, NULL
,
6037 NULL
, &state
, &conn_err
, NULL
,
6039 if (ret
== QLA_ERROR
)
6042 if (state
== DDB_DS_NO_CONNECTION_ACTIVE
||
6043 state
== DDB_DS_SESSION_FAILED
)
6046 schedule_timeout_uninterruptible(HZ
/ 10);
6047 } while (time_after(wtime
, jiffies
));
6051 dma_free_coherent(&ha
->pdev
->dev
, sizeof(*ddb_entry
),
6052 ddb_entry
, ddb_entry_dma
);
6056 static int qla4xxx_ddb_login_st(struct scsi_qla_host
*ha
,
6057 struct dev_db_entry
*fw_ddb_entry
,
6060 struct qla_ddb_index
*ddb_idx
, *ddb_idx_tmp
;
6061 struct list_head list_nt
;
6065 if (test_bit(AF_ST_DISCOVERY_IN_PROGRESS
, &ha
->flags
)) {
6066 ql4_printk(KERN_WARNING
, ha
,
6067 "%s: A discovery already in progress!\n", __func__
);
6071 INIT_LIST_HEAD(&list_nt
);
6073 set_bit(AF_ST_DISCOVERY_IN_PROGRESS
, &ha
->flags
);
6075 ret
= qla4xxx_get_ddb_index(ha
, &ddb_index
);
6076 if (ret
== QLA_ERROR
)
6077 goto exit_login_st_clr_bit
;
6079 ret
= qla4xxx_sysfs_ddb_conn_open(ha
, fw_ddb_entry
, ddb_index
);
6080 if (ret
== QLA_ERROR
)
6083 qla4xxx_build_new_nt_list(ha
, &list_nt
, target_id
);
6085 list_for_each_entry_safe(ddb_idx
, ddb_idx_tmp
, &list_nt
, list
) {
6086 list_del_init(&ddb_idx
->list
);
6087 qla4xxx_clear_ddb_entry(ha
, ddb_idx
->fw_ddb_idx
);
6092 if (qla4xxx_clear_ddb_entry(ha
, ddb_index
) == QLA_ERROR
) {
6093 ql4_printk(KERN_ERR
, ha
,
6094 "Unable to clear DDB index = 0x%x\n", ddb_index
);
6097 clear_bit(ddb_index
, ha
->ddb_idx_map
);
6099 exit_login_st_clr_bit
:
6100 clear_bit(AF_ST_DISCOVERY_IN_PROGRESS
, &ha
->flags
);
6104 static int qla4xxx_ddb_login_nt(struct scsi_qla_host
*ha
,
6105 struct dev_db_entry
*fw_ddb_entry
,
6108 int ret
= QLA_ERROR
;
6110 ret
= qla4xxx_is_session_exists(ha
, fw_ddb_entry
, NULL
);
6111 if (ret
!= QLA_SUCCESS
)
6112 ret
= qla4xxx_sess_conn_setup(ha
, fw_ddb_entry
, RESET_ADAPTER
,
6121 * qla4xxx_sysfs_ddb_login - Login to the specified target
6122 * @fnode_sess: pointer to session attrs of flash ddb entry
6123 * @fnode_conn: pointer to connection attrs of flash ddb entry
6125 * This logs in to the specified target
6127 static int qla4xxx_sysfs_ddb_login(struct iscsi_bus_flash_session
*fnode_sess
,
6128 struct iscsi_bus_flash_conn
*fnode_conn
)
6130 struct Scsi_Host
*shost
= iscsi_flash_session_to_shost(fnode_sess
);
6131 struct scsi_qla_host
*ha
= to_qla_host(shost
);
6132 struct dev_db_entry
*fw_ddb_entry
= NULL
;
6133 dma_addr_t fw_ddb_entry_dma
;
6134 uint32_t options
= 0;
6137 if (fnode_sess
->flash_state
== DEV_DB_NON_PERSISTENT
) {
6138 ql4_printk(KERN_ERR
, ha
,
6139 "%s: Target info is not persistent\n", __func__
);
6141 goto exit_ddb_login
;
6144 fw_ddb_entry
= dma_alloc_coherent(&ha
->pdev
->dev
, sizeof(*fw_ddb_entry
),
6145 &fw_ddb_entry_dma
, GFP_KERNEL
);
6146 if (!fw_ddb_entry
) {
6147 DEBUG2(ql4_printk(KERN_ERR
, ha
,
6148 "%s: Unable to allocate dma buffer\n",
6151 goto exit_ddb_login
;
6154 if (!strncasecmp(fnode_sess
->portal_type
, PORTAL_TYPE_IPV6
, 4))
6155 options
|= IPV6_DEFAULT_DDB_ENTRY
;
6157 ret
= qla4xxx_get_default_ddb(ha
, options
, fw_ddb_entry_dma
);
6158 if (ret
== QLA_ERROR
)
6159 goto exit_ddb_login
;
6161 qla4xxx_copy_to_fwddb_param(fnode_sess
, fnode_conn
, fw_ddb_entry
);
6162 fw_ddb_entry
->cookie
= DDB_VALID_COOKIE
;
6164 if (strlen((char *)fw_ddb_entry
->iscsi_name
) == 0)
6165 ret
= qla4xxx_ddb_login_st(ha
, fw_ddb_entry
,
6166 fnode_sess
->target_id
);
6168 ret
= qla4xxx_ddb_login_nt(ha
, fw_ddb_entry
,
6169 fnode_sess
->target_id
);
6176 dma_free_coherent(&ha
->pdev
->dev
, sizeof(*fw_ddb_entry
),
6177 fw_ddb_entry
, fw_ddb_entry_dma
);
6182 * qla4xxx_sysfs_ddb_logout_sid - Logout session for the specified target
6183 * @cls_sess: pointer to session to be logged out
6185 * This performs session log out from the specified target
6187 static int qla4xxx_sysfs_ddb_logout_sid(struct iscsi_cls_session
*cls_sess
)
6189 struct iscsi_session
*sess
;
6190 struct ddb_entry
*ddb_entry
= NULL
;
6191 struct scsi_qla_host
*ha
;
6192 struct dev_db_entry
*fw_ddb_entry
= NULL
;
6193 dma_addr_t fw_ddb_entry_dma
;
6194 unsigned long flags
;
6195 unsigned long wtime
;
6200 sess
= cls_sess
->dd_data
;
6201 ddb_entry
= sess
->dd_data
;
6204 if (ddb_entry
->ddb_type
!= FLASH_DDB
) {
6205 ql4_printk(KERN_ERR
, ha
, "%s: Not a flash node session\n",
6208 goto exit_ddb_logout
;
6211 if (test_bit(DF_BOOT_TGT
, &ddb_entry
->flags
)) {
6212 ql4_printk(KERN_ERR
, ha
,
6213 "%s: Logout from boot target entry is not permitted.\n",
6216 goto exit_ddb_logout
;
6219 fw_ddb_entry
= dma_alloc_coherent(&ha
->pdev
->dev
, sizeof(*fw_ddb_entry
),
6220 &fw_ddb_entry_dma
, GFP_KERNEL
);
6221 if (!fw_ddb_entry
) {
6222 ql4_printk(KERN_ERR
, ha
,
6223 "%s: Unable to allocate dma buffer\n", __func__
);
6225 goto exit_ddb_logout
;
6228 if (test_and_set_bit(DF_DISABLE_RELOGIN
, &ddb_entry
->flags
))
6229 goto ddb_logout_init
;
6231 ret
= qla4xxx_get_fwddb_entry(ha
, ddb_entry
->fw_ddb_index
,
6232 fw_ddb_entry
, fw_ddb_entry_dma
,
6233 NULL
, NULL
, &ddb_state
, NULL
,
6235 if (ret
== QLA_ERROR
)
6236 goto ddb_logout_init
;
6238 if (ddb_state
== DDB_DS_SESSION_ACTIVE
)
6239 goto ddb_logout_init
;
6241 /* wait until next relogin is triggered using DF_RELOGIN and
6242 * clear DF_RELOGIN to avoid invocation of further relogin
6244 wtime
= jiffies
+ (HZ
* RELOGIN_TOV
);
6246 if (test_and_clear_bit(DF_RELOGIN
, &ddb_entry
->flags
))
6247 goto ddb_logout_init
;
6249 schedule_timeout_uninterruptible(HZ
);
6250 } while ((time_after(wtime
, jiffies
)));
6253 atomic_set(&ddb_entry
->retry_relogin_timer
, INVALID_ENTRY
);
6254 atomic_set(&ddb_entry
->relogin_timer
, 0);
6256 options
= LOGOUT_OPTION_CLOSE_SESSION
;
6257 qla4xxx_session_logout_ddb(ha
, ddb_entry
, options
);
6259 memset(fw_ddb_entry
, 0, sizeof(*fw_ddb_entry
));
6260 wtime
= jiffies
+ (HZ
* LOGOUT_TOV
);
6262 ret
= qla4xxx_get_fwddb_entry(ha
, ddb_entry
->fw_ddb_index
,
6263 fw_ddb_entry
, fw_ddb_entry_dma
,
6264 NULL
, NULL
, &ddb_state
, NULL
,
6266 if (ret
== QLA_ERROR
)
6267 goto ddb_logout_clr_sess
;
6269 if ((ddb_state
== DDB_DS_NO_CONNECTION_ACTIVE
) ||
6270 (ddb_state
== DDB_DS_SESSION_FAILED
))
6271 goto ddb_logout_clr_sess
;
6273 schedule_timeout_uninterruptible(HZ
);
6274 } while ((time_after(wtime
, jiffies
)));
6276 ddb_logout_clr_sess
:
6277 qla4xxx_clear_ddb_entry(ha
, ddb_entry
->fw_ddb_index
);
6279 * we have decremented the reference count of the driver
6280 * when we setup the session to have the driver unload
6281 * to be seamless without actually destroying the
6284 try_module_get(qla4xxx_iscsi_transport
.owner
);
6285 iscsi_destroy_endpoint(ddb_entry
->conn
->ep
);
6287 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
6288 qla4xxx_free_ddb(ha
, ddb_entry
);
6289 clear_bit(ddb_entry
->fw_ddb_index
, ha
->ddb_idx_map
);
6290 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
6292 iscsi_session_teardown(ddb_entry
->sess
);
6294 clear_bit(DF_DISABLE_RELOGIN
, &ddb_entry
->flags
);
6299 dma_free_coherent(&ha
->pdev
->dev
, sizeof(*fw_ddb_entry
),
6300 fw_ddb_entry
, fw_ddb_entry_dma
);
6305 * qla4xxx_sysfs_ddb_logout - Logout from the specified target
6306 * @fnode_sess: pointer to session attrs of flash ddb entry
6307 * @fnode_conn: pointer to connection attrs of flash ddb entry
6309 * This performs log out from the specified target
6311 static int qla4xxx_sysfs_ddb_logout(struct iscsi_bus_flash_session
*fnode_sess
,
6312 struct iscsi_bus_flash_conn
*fnode_conn
)
6314 struct Scsi_Host
*shost
= iscsi_flash_session_to_shost(fnode_sess
);
6315 struct scsi_qla_host
*ha
= to_qla_host(shost
);
6316 struct ql4_tuple_ddb
*flash_tddb
= NULL
;
6317 struct ql4_tuple_ddb
*tmp_tddb
= NULL
;
6318 struct dev_db_entry
*fw_ddb_entry
= NULL
;
6319 struct ddb_entry
*ddb_entry
= NULL
;
6320 dma_addr_t fw_ddb_dma
;
6321 uint32_t next_idx
= 0;
6322 uint32_t state
= 0, conn_err
= 0;
6323 uint16_t conn_id
= 0;
6325 int status
, ret
= 0;
6327 fw_ddb_entry
= dma_pool_alloc(ha
->fw_ddb_dma_pool
, GFP_KERNEL
,
6329 if (fw_ddb_entry
== NULL
) {
6330 ql4_printk(KERN_ERR
, ha
, "%s:Out of memory\n", __func__
);
6332 goto exit_ddb_logout
;
6335 flash_tddb
= vzalloc(sizeof(*flash_tddb
));
6337 ql4_printk(KERN_WARNING
, ha
,
6338 "%s:Memory Allocation failed.\n", __func__
);
6340 goto exit_ddb_logout
;
6343 tmp_tddb
= vzalloc(sizeof(*tmp_tddb
));
6345 ql4_printk(KERN_WARNING
, ha
,
6346 "%s:Memory Allocation failed.\n", __func__
);
6348 goto exit_ddb_logout
;
6351 if (!fnode_sess
->targetname
) {
6352 ql4_printk(KERN_ERR
, ha
,
6353 "%s:Cannot logout from SendTarget entry\n",
6356 goto exit_ddb_logout
;
6359 if (fnode_sess
->is_boot_target
) {
6360 ql4_printk(KERN_ERR
, ha
,
6361 "%s: Logout from boot target entry is not permitted.\n",
6364 goto exit_ddb_logout
;
6367 strncpy(flash_tddb
->iscsi_name
, fnode_sess
->targetname
,
6370 if (!strncmp(fnode_sess
->portal_type
, PORTAL_TYPE_IPV6
, 4))
6371 sprintf(flash_tddb
->ip_addr
, "%pI6", fnode_conn
->ipaddress
);
6373 sprintf(flash_tddb
->ip_addr
, "%pI4", fnode_conn
->ipaddress
);
6375 flash_tddb
->tpgt
= fnode_sess
->tpgt
;
6376 flash_tddb
->port
= fnode_conn
->port
;
6378 COPY_ISID(flash_tddb
->isid
, fnode_sess
->isid
);
6380 for (idx
= 0; idx
< MAX_DDB_ENTRIES
; idx
++) {
6381 ddb_entry
= qla4xxx_lookup_ddb_by_fw_index(ha
, idx
);
6382 if (ddb_entry
== NULL
)
6385 if (ddb_entry
->ddb_type
!= FLASH_DDB
)
6388 index
= ddb_entry
->sess
->target_id
;
6389 status
= qla4xxx_get_fwddb_entry(ha
, index
, fw_ddb_entry
,
6390 fw_ddb_dma
, NULL
, &next_idx
,
6391 &state
, &conn_err
, NULL
,
6393 if (status
== QLA_ERROR
) {
6398 qla4xxx_convert_param_ddb(fw_ddb_entry
, tmp_tddb
, NULL
);
6400 status
= qla4xxx_compare_tuple_ddb(ha
, flash_tddb
, tmp_tddb
,
6402 if (status
== QLA_SUCCESS
) {
6403 ret
= qla4xxx_sysfs_ddb_logout_sid(ddb_entry
->sess
);
6408 if (idx
== MAX_DDB_ENTRIES
)
6417 dma_pool_free(ha
->fw_ddb_dma_pool
, fw_ddb_entry
, fw_ddb_dma
);
6423 qla4xxx_sysfs_ddb_get_param(struct iscsi_bus_flash_session
*fnode_sess
,
6424 int param
, char *buf
)
6426 struct Scsi_Host
*shost
= iscsi_flash_session_to_shost(fnode_sess
);
6427 struct scsi_qla_host
*ha
= to_qla_host(shost
);
6428 struct iscsi_bus_flash_conn
*fnode_conn
;
6429 struct ql4_chap_table chap_tbl
;
6434 dev
= iscsi_find_flashnode_conn(fnode_sess
);
6438 fnode_conn
= iscsi_dev_to_flash_conn(dev
);
6441 case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6
:
6442 rc
= sprintf(buf
, "%u\n", fnode_conn
->is_fw_assigned_ipv6
);
6444 case ISCSI_FLASHNODE_PORTAL_TYPE
:
6445 rc
= sprintf(buf
, "%s\n", fnode_sess
->portal_type
);
6447 case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE
:
6448 rc
= sprintf(buf
, "%u\n", fnode_sess
->auto_snd_tgt_disable
);
6450 case ISCSI_FLASHNODE_DISCOVERY_SESS
:
6451 rc
= sprintf(buf
, "%u\n", fnode_sess
->discovery_sess
);
6453 case ISCSI_FLASHNODE_ENTRY_EN
:
6454 rc
= sprintf(buf
, "%u\n", fnode_sess
->entry_state
);
6456 case ISCSI_FLASHNODE_HDR_DGST_EN
:
6457 rc
= sprintf(buf
, "%u\n", fnode_conn
->hdrdgst_en
);
6459 case ISCSI_FLASHNODE_DATA_DGST_EN
:
6460 rc
= sprintf(buf
, "%u\n", fnode_conn
->datadgst_en
);
6462 case ISCSI_FLASHNODE_IMM_DATA_EN
:
6463 rc
= sprintf(buf
, "%u\n", fnode_sess
->imm_data_en
);
6465 case ISCSI_FLASHNODE_INITIAL_R2T_EN
:
6466 rc
= sprintf(buf
, "%u\n", fnode_sess
->initial_r2t_en
);
6468 case ISCSI_FLASHNODE_DATASEQ_INORDER
:
6469 rc
= sprintf(buf
, "%u\n", fnode_sess
->dataseq_inorder_en
);
6471 case ISCSI_FLASHNODE_PDU_INORDER
:
6472 rc
= sprintf(buf
, "%u\n", fnode_sess
->pdu_inorder_en
);
6474 case ISCSI_FLASHNODE_CHAP_AUTH_EN
:
6475 rc
= sprintf(buf
, "%u\n", fnode_sess
->chap_auth_en
);
6477 case ISCSI_FLASHNODE_SNACK_REQ_EN
:
6478 rc
= sprintf(buf
, "%u\n", fnode_conn
->snack_req_en
);
6480 case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN
:
6481 rc
= sprintf(buf
, "%u\n", fnode_sess
->discovery_logout_en
);
6483 case ISCSI_FLASHNODE_BIDI_CHAP_EN
:
6484 rc
= sprintf(buf
, "%u\n", fnode_sess
->bidi_chap_en
);
6486 case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL
:
6487 rc
= sprintf(buf
, "%u\n", fnode_sess
->discovery_auth_optional
);
6489 case ISCSI_FLASHNODE_ERL
:
6490 rc
= sprintf(buf
, "%u\n", fnode_sess
->erl
);
6492 case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT
:
6493 rc
= sprintf(buf
, "%u\n", fnode_conn
->tcp_timestamp_stat
);
6495 case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE
:
6496 rc
= sprintf(buf
, "%u\n", fnode_conn
->tcp_nagle_disable
);
6498 case ISCSI_FLASHNODE_TCP_WSF_DISABLE
:
6499 rc
= sprintf(buf
, "%u\n", fnode_conn
->tcp_wsf_disable
);
6501 case ISCSI_FLASHNODE_TCP_TIMER_SCALE
:
6502 rc
= sprintf(buf
, "%u\n", fnode_conn
->tcp_timer_scale
);
6504 case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN
:
6505 rc
= sprintf(buf
, "%u\n", fnode_conn
->tcp_timestamp_en
);
6507 case ISCSI_FLASHNODE_IP_FRAG_DISABLE
:
6508 rc
= sprintf(buf
, "%u\n", fnode_conn
->fragment_disable
);
6510 case ISCSI_FLASHNODE_MAX_RECV_DLENGTH
:
6511 rc
= sprintf(buf
, "%u\n", fnode_conn
->max_recv_dlength
);
6513 case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH
:
6514 rc
= sprintf(buf
, "%u\n", fnode_conn
->max_xmit_dlength
);
6516 case ISCSI_FLASHNODE_FIRST_BURST
:
6517 rc
= sprintf(buf
, "%u\n", fnode_sess
->first_burst
);
6519 case ISCSI_FLASHNODE_DEF_TIME2WAIT
:
6520 rc
= sprintf(buf
, "%u\n", fnode_sess
->time2wait
);
6522 case ISCSI_FLASHNODE_DEF_TIME2RETAIN
:
6523 rc
= sprintf(buf
, "%u\n", fnode_sess
->time2retain
);
6525 case ISCSI_FLASHNODE_MAX_R2T
:
6526 rc
= sprintf(buf
, "%u\n", fnode_sess
->max_r2t
);
6528 case ISCSI_FLASHNODE_KEEPALIVE_TMO
:
6529 rc
= sprintf(buf
, "%u\n", fnode_conn
->keepalive_timeout
);
6531 case ISCSI_FLASHNODE_ISID
:
6532 rc
= sprintf(buf
, "%02x%02x%02x%02x%02x%02x\n",
6533 fnode_sess
->isid
[0], fnode_sess
->isid
[1],
6534 fnode_sess
->isid
[2], fnode_sess
->isid
[3],
6535 fnode_sess
->isid
[4], fnode_sess
->isid
[5]);
6537 case ISCSI_FLASHNODE_TSID
:
6538 rc
= sprintf(buf
, "%u\n", fnode_sess
->tsid
);
6540 case ISCSI_FLASHNODE_PORT
:
6541 rc
= sprintf(buf
, "%d\n", fnode_conn
->port
);
6543 case ISCSI_FLASHNODE_MAX_BURST
:
6544 rc
= sprintf(buf
, "%u\n", fnode_sess
->max_burst
);
6546 case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO
:
6547 rc
= sprintf(buf
, "%u\n",
6548 fnode_sess
->default_taskmgmt_timeout
);
6550 case ISCSI_FLASHNODE_IPADDR
:
6551 if (!strncmp(fnode_sess
->portal_type
, PORTAL_TYPE_IPV6
, 4))
6552 rc
= sprintf(buf
, "%pI6\n", fnode_conn
->ipaddress
);
6554 rc
= sprintf(buf
, "%pI4\n", fnode_conn
->ipaddress
);
6556 case ISCSI_FLASHNODE_ALIAS
:
6557 if (fnode_sess
->targetalias
)
6558 rc
= sprintf(buf
, "%s\n", fnode_sess
->targetalias
);
6560 rc
= sprintf(buf
, "\n");
6562 case ISCSI_FLASHNODE_REDIRECT_IPADDR
:
6563 if (!strncmp(fnode_sess
->portal_type
, PORTAL_TYPE_IPV6
, 4))
6564 rc
= sprintf(buf
, "%pI6\n",
6565 fnode_conn
->redirect_ipaddr
);
6567 rc
= sprintf(buf
, "%pI4\n",
6568 fnode_conn
->redirect_ipaddr
);
6570 case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE
:
6571 rc
= sprintf(buf
, "%u\n", fnode_conn
->max_segment_size
);
6573 case ISCSI_FLASHNODE_LOCAL_PORT
:
6574 rc
= sprintf(buf
, "%u\n", fnode_conn
->local_port
);
6576 case ISCSI_FLASHNODE_IPV4_TOS
:
6577 rc
= sprintf(buf
, "%u\n", fnode_conn
->ipv4_tos
);
6579 case ISCSI_FLASHNODE_IPV6_TC
:
6580 if (!strncmp(fnode_sess
->portal_type
, PORTAL_TYPE_IPV6
, 4))
6581 rc
= sprintf(buf
, "%u\n",
6582 fnode_conn
->ipv6_traffic_class
);
6584 rc
= sprintf(buf
, "\n");
6586 case ISCSI_FLASHNODE_IPV6_FLOW_LABEL
:
6587 rc
= sprintf(buf
, "%u\n", fnode_conn
->ipv6_flow_label
);
6589 case ISCSI_FLASHNODE_LINK_LOCAL_IPV6
:
6590 if (!strncmp(fnode_sess
->portal_type
, PORTAL_TYPE_IPV6
, 4))
6591 rc
= sprintf(buf
, "%pI6\n",
6592 fnode_conn
->link_local_ipv6_addr
);
6594 rc
= sprintf(buf
, "\n");
6596 case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX
:
6597 rc
= sprintf(buf
, "%u\n", fnode_sess
->discovery_parent_idx
);
6599 case ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE
:
6600 if (fnode_sess
->discovery_parent_type
== DDB_ISNS
)
6601 parent_type
= ISCSI_DISC_PARENT_ISNS
;
6602 else if (fnode_sess
->discovery_parent_type
== DDB_NO_LINK
)
6603 parent_type
= ISCSI_DISC_PARENT_UNKNOWN
;
6604 else if (fnode_sess
->discovery_parent_type
< MAX_DDB_ENTRIES
)
6605 parent_type
= ISCSI_DISC_PARENT_SENDTGT
;
6607 parent_type
= ISCSI_DISC_PARENT_UNKNOWN
;
6609 rc
= sprintf(buf
, "%s\n",
6610 iscsi_get_discovery_parent_name(parent_type
));
6612 case ISCSI_FLASHNODE_NAME
:
6613 if (fnode_sess
->targetname
)
6614 rc
= sprintf(buf
, "%s\n", fnode_sess
->targetname
);
6616 rc
= sprintf(buf
, "\n");
6618 case ISCSI_FLASHNODE_TPGT
:
6619 rc
= sprintf(buf
, "%u\n", fnode_sess
->tpgt
);
6621 case ISCSI_FLASHNODE_TCP_XMIT_WSF
:
6622 rc
= sprintf(buf
, "%u\n", fnode_conn
->tcp_xmit_wsf
);
6624 case ISCSI_FLASHNODE_TCP_RECV_WSF
:
6625 rc
= sprintf(buf
, "%u\n", fnode_conn
->tcp_recv_wsf
);
6627 case ISCSI_FLASHNODE_CHAP_OUT_IDX
:
6628 rc
= sprintf(buf
, "%u\n", fnode_sess
->chap_out_idx
);
6630 case ISCSI_FLASHNODE_USERNAME
:
6631 if (fnode_sess
->chap_auth_en
) {
6632 qla4xxx_get_uni_chap_at_index(ha
,
6635 fnode_sess
->chap_out_idx
);
6636 rc
= sprintf(buf
, "%s\n", chap_tbl
.name
);
6638 rc
= sprintf(buf
, "\n");
6641 case ISCSI_FLASHNODE_PASSWORD
:
6642 if (fnode_sess
->chap_auth_en
) {
6643 qla4xxx_get_uni_chap_at_index(ha
,
6646 fnode_sess
->chap_out_idx
);
6647 rc
= sprintf(buf
, "%s\n", chap_tbl
.secret
);
6649 rc
= sprintf(buf
, "\n");
6652 case ISCSI_FLASHNODE_STATSN
:
6653 rc
= sprintf(buf
, "%u\n", fnode_conn
->statsn
);
6655 case ISCSI_FLASHNODE_EXP_STATSN
:
6656 rc
= sprintf(buf
, "%u\n", fnode_conn
->exp_statsn
);
6658 case ISCSI_FLASHNODE_IS_BOOT_TGT
:
6659 rc
= sprintf(buf
, "%u\n", fnode_sess
->is_boot_target
);
6671 * qla4xxx_sysfs_ddb_set_param - Set parameter for firmware DDB entry
6672 * @fnode_sess: pointer to session attrs of flash ddb entry
6673 * @fnode_conn: pointer to connection attrs of flash ddb entry
6674 * @data: Parameters and their values to update
6677 * This sets the parameter of flash ddb entry and writes them to flash
6680 qla4xxx_sysfs_ddb_set_param(struct iscsi_bus_flash_session
*fnode_sess
,
6681 struct iscsi_bus_flash_conn
*fnode_conn
,
6682 void *data
, int len
)
6684 struct Scsi_Host
*shost
= iscsi_flash_session_to_shost(fnode_sess
);
6685 struct scsi_qla_host
*ha
= to_qla_host(shost
);
6686 struct iscsi_flashnode_param_info
*fnode_param
;
6687 struct ql4_chap_table chap_tbl
;
6688 struct nlattr
*attr
;
6689 uint16_t chap_out_idx
= INVALID_ENTRY
;
6693 memset((void *)&chap_tbl
, 0, sizeof(chap_tbl
));
6694 nla_for_each_attr(attr
, data
, len
, rem
) {
6695 fnode_param
= nla_data(attr
);
6697 switch (fnode_param
->param
) {
6698 case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6
:
6699 fnode_conn
->is_fw_assigned_ipv6
= fnode_param
->value
[0];
6701 case ISCSI_FLASHNODE_PORTAL_TYPE
:
6702 memcpy(fnode_sess
->portal_type
, fnode_param
->value
,
6703 strlen(fnode_sess
->portal_type
));
6705 case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE
:
6706 fnode_sess
->auto_snd_tgt_disable
=
6707 fnode_param
->value
[0];
6709 case ISCSI_FLASHNODE_DISCOVERY_SESS
:
6710 fnode_sess
->discovery_sess
= fnode_param
->value
[0];
6712 case ISCSI_FLASHNODE_ENTRY_EN
:
6713 fnode_sess
->entry_state
= fnode_param
->value
[0];
6715 case ISCSI_FLASHNODE_HDR_DGST_EN
:
6716 fnode_conn
->hdrdgst_en
= fnode_param
->value
[0];
6718 case ISCSI_FLASHNODE_DATA_DGST_EN
:
6719 fnode_conn
->datadgst_en
= fnode_param
->value
[0];
6721 case ISCSI_FLASHNODE_IMM_DATA_EN
:
6722 fnode_sess
->imm_data_en
= fnode_param
->value
[0];
6724 case ISCSI_FLASHNODE_INITIAL_R2T_EN
:
6725 fnode_sess
->initial_r2t_en
= fnode_param
->value
[0];
6727 case ISCSI_FLASHNODE_DATASEQ_INORDER
:
6728 fnode_sess
->dataseq_inorder_en
= fnode_param
->value
[0];
6730 case ISCSI_FLASHNODE_PDU_INORDER
:
6731 fnode_sess
->pdu_inorder_en
= fnode_param
->value
[0];
6733 case ISCSI_FLASHNODE_CHAP_AUTH_EN
:
6734 fnode_sess
->chap_auth_en
= fnode_param
->value
[0];
6735 /* Invalidate chap index if chap auth is disabled */
6736 if (!fnode_sess
->chap_auth_en
)
6737 fnode_sess
->chap_out_idx
= INVALID_ENTRY
;
6740 case ISCSI_FLASHNODE_SNACK_REQ_EN
:
6741 fnode_conn
->snack_req_en
= fnode_param
->value
[0];
6743 case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN
:
6744 fnode_sess
->discovery_logout_en
= fnode_param
->value
[0];
6746 case ISCSI_FLASHNODE_BIDI_CHAP_EN
:
6747 fnode_sess
->bidi_chap_en
= fnode_param
->value
[0];
6749 case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL
:
6750 fnode_sess
->discovery_auth_optional
=
6751 fnode_param
->value
[0];
6753 case ISCSI_FLASHNODE_ERL
:
6754 fnode_sess
->erl
= fnode_param
->value
[0];
6756 case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT
:
6757 fnode_conn
->tcp_timestamp_stat
= fnode_param
->value
[0];
6759 case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE
:
6760 fnode_conn
->tcp_nagle_disable
= fnode_param
->value
[0];
6762 case ISCSI_FLASHNODE_TCP_WSF_DISABLE
:
6763 fnode_conn
->tcp_wsf_disable
= fnode_param
->value
[0];
6765 case ISCSI_FLASHNODE_TCP_TIMER_SCALE
:
6766 fnode_conn
->tcp_timer_scale
= fnode_param
->value
[0];
6768 case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN
:
6769 fnode_conn
->tcp_timestamp_en
= fnode_param
->value
[0];
6771 case ISCSI_FLASHNODE_IP_FRAG_DISABLE
:
6772 fnode_conn
->fragment_disable
= fnode_param
->value
[0];
6774 case ISCSI_FLASHNODE_MAX_RECV_DLENGTH
:
6775 fnode_conn
->max_recv_dlength
=
6776 *(unsigned *)fnode_param
->value
;
6778 case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH
:
6779 fnode_conn
->max_xmit_dlength
=
6780 *(unsigned *)fnode_param
->value
;
6782 case ISCSI_FLASHNODE_FIRST_BURST
:
6783 fnode_sess
->first_burst
=
6784 *(unsigned *)fnode_param
->value
;
6786 case ISCSI_FLASHNODE_DEF_TIME2WAIT
:
6787 fnode_sess
->time2wait
= *(uint16_t *)fnode_param
->value
;
6789 case ISCSI_FLASHNODE_DEF_TIME2RETAIN
:
6790 fnode_sess
->time2retain
=
6791 *(uint16_t *)fnode_param
->value
;
6793 case ISCSI_FLASHNODE_MAX_R2T
:
6794 fnode_sess
->max_r2t
=
6795 *(uint16_t *)fnode_param
->value
;
6797 case ISCSI_FLASHNODE_KEEPALIVE_TMO
:
6798 fnode_conn
->keepalive_timeout
=
6799 *(uint16_t *)fnode_param
->value
;
6801 case ISCSI_FLASHNODE_ISID
:
6802 memcpy(fnode_sess
->isid
, fnode_param
->value
,
6803 sizeof(fnode_sess
->isid
));
6805 case ISCSI_FLASHNODE_TSID
:
6806 fnode_sess
->tsid
= *(uint16_t *)fnode_param
->value
;
6808 case ISCSI_FLASHNODE_PORT
:
6809 fnode_conn
->port
= *(uint16_t *)fnode_param
->value
;
6811 case ISCSI_FLASHNODE_MAX_BURST
:
6812 fnode_sess
->max_burst
= *(unsigned *)fnode_param
->value
;
6814 case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO
:
6815 fnode_sess
->default_taskmgmt_timeout
=
6816 *(uint16_t *)fnode_param
->value
;
6818 case ISCSI_FLASHNODE_IPADDR
:
6819 memcpy(fnode_conn
->ipaddress
, fnode_param
->value
,
6822 case ISCSI_FLASHNODE_ALIAS
:
6823 rc
= iscsi_switch_str_param(&fnode_sess
->targetalias
,
6824 (char *)fnode_param
->value
);
6826 case ISCSI_FLASHNODE_REDIRECT_IPADDR
:
6827 memcpy(fnode_conn
->redirect_ipaddr
, fnode_param
->value
,
6830 case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE
:
6831 fnode_conn
->max_segment_size
=
6832 *(unsigned *)fnode_param
->value
;
6834 case ISCSI_FLASHNODE_LOCAL_PORT
:
6835 fnode_conn
->local_port
=
6836 *(uint16_t *)fnode_param
->value
;
6838 case ISCSI_FLASHNODE_IPV4_TOS
:
6839 fnode_conn
->ipv4_tos
= fnode_param
->value
[0];
6841 case ISCSI_FLASHNODE_IPV6_TC
:
6842 fnode_conn
->ipv6_traffic_class
= fnode_param
->value
[0];
6844 case ISCSI_FLASHNODE_IPV6_FLOW_LABEL
:
6845 fnode_conn
->ipv6_flow_label
= fnode_param
->value
[0];
6847 case ISCSI_FLASHNODE_NAME
:
6848 rc
= iscsi_switch_str_param(&fnode_sess
->targetname
,
6849 (char *)fnode_param
->value
);
6851 case ISCSI_FLASHNODE_TPGT
:
6852 fnode_sess
->tpgt
= *(uint16_t *)fnode_param
->value
;
6854 case ISCSI_FLASHNODE_LINK_LOCAL_IPV6
:
6855 memcpy(fnode_conn
->link_local_ipv6_addr
,
6856 fnode_param
->value
, IPv6_ADDR_LEN
);
6858 case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX
:
6859 fnode_sess
->discovery_parent_idx
=
6860 *(uint16_t *)fnode_param
->value
;
6862 case ISCSI_FLASHNODE_TCP_XMIT_WSF
:
6863 fnode_conn
->tcp_xmit_wsf
=
6864 *(uint8_t *)fnode_param
->value
;
6866 case ISCSI_FLASHNODE_TCP_RECV_WSF
:
6867 fnode_conn
->tcp_recv_wsf
=
6868 *(uint8_t *)fnode_param
->value
;
6870 case ISCSI_FLASHNODE_STATSN
:
6871 fnode_conn
->statsn
= *(uint32_t *)fnode_param
->value
;
6873 case ISCSI_FLASHNODE_EXP_STATSN
:
6874 fnode_conn
->exp_statsn
=
6875 *(uint32_t *)fnode_param
->value
;
6877 case ISCSI_FLASHNODE_CHAP_OUT_IDX
:
6878 chap_out_idx
= *(uint16_t *)fnode_param
->value
;
6879 if (!qla4xxx_get_uni_chap_at_index(ha
,
6883 fnode_sess
->chap_out_idx
= chap_out_idx
;
6884 /* Enable chap auth if chap index is valid */
6885 fnode_sess
->chap_auth_en
= QL4_PARAM_ENABLE
;
6889 ql4_printk(KERN_ERR
, ha
,
6890 "%s: No such sysfs attribute\n", __func__
);
6892 goto exit_set_param
;
6896 rc
= qla4xxx_sysfs_ddb_apply(fnode_sess
, fnode_conn
);
6903 * qla4xxx_sysfs_ddb_delete - Delete firmware DDB entry
6904 * @fnode_sess: pointer to session attrs of flash ddb entry
6906 * This invalidates the flash ddb entry at the given index
6908 static int qla4xxx_sysfs_ddb_delete(struct iscsi_bus_flash_session
*fnode_sess
)
6910 struct Scsi_Host
*shost
= iscsi_flash_session_to_shost(fnode_sess
);
6911 struct scsi_qla_host
*ha
= to_qla_host(shost
);
6912 uint32_t dev_db_start_offset
;
6913 uint32_t dev_db_end_offset
;
6914 struct dev_db_entry
*fw_ddb_entry
= NULL
;
6915 dma_addr_t fw_ddb_entry_dma
;
6916 uint16_t *ddb_cookie
= NULL
;
6917 size_t ddb_size
= 0;
6922 if (fnode_sess
->is_boot_target
) {
6924 DEBUG2(ql4_printk(KERN_ERR
, ha
,
6925 "%s: Deletion of boot target entry is not permitted.\n",
6930 if (fnode_sess
->flash_state
== DEV_DB_NON_PERSISTENT
)
6933 if (is_qla40XX(ha
)) {
6934 dev_db_start_offset
= FLASH_OFFSET_DB_INFO
;
6935 dev_db_end_offset
= FLASH_OFFSET_DB_END
;
6936 dev_db_start_offset
+= (fnode_sess
->target_id
*
6937 sizeof(*fw_ddb_entry
));
6938 ddb_size
= sizeof(*fw_ddb_entry
);
6940 dev_db_start_offset
= FLASH_RAW_ACCESS_ADDR
+
6941 (ha
->hw
.flt_region_ddb
<< 2);
6942 /* flt_ddb_size is DDB table size for both ports
6943 * so divide it by 2 to calculate the offset for second port
6945 if (ha
->port_num
== 1)
6946 dev_db_start_offset
+= (ha
->hw
.flt_ddb_size
/ 2);
6948 dev_db_end_offset
= dev_db_start_offset
+
6949 (ha
->hw
.flt_ddb_size
/ 2);
6951 dev_db_start_offset
+= (fnode_sess
->target_id
*
6952 sizeof(*fw_ddb_entry
));
6953 dev_db_start_offset
+= offsetof(struct dev_db_entry
, cookie
);
6955 ddb_size
= sizeof(*ddb_cookie
);
6958 DEBUG2(ql4_printk(KERN_ERR
, ha
, "%s: start offset=%u, end offset=%u\n",
6959 __func__
, dev_db_start_offset
, dev_db_end_offset
));
6961 if (dev_db_start_offset
> dev_db_end_offset
) {
6963 DEBUG2(ql4_printk(KERN_ERR
, ha
, "%s:Invalid DDB index %u\n",
6964 __func__
, fnode_sess
->target_id
));
6968 pddb
= dma_alloc_coherent(&ha
->pdev
->dev
, ddb_size
,
6969 &fw_ddb_entry_dma
, GFP_KERNEL
);
6972 DEBUG2(ql4_printk(KERN_ERR
, ha
,
6973 "%s: Unable to allocate dma buffer\n",
6978 if (is_qla40XX(ha
)) {
6979 fw_ddb_entry
= pddb
;
6980 memset(fw_ddb_entry
, 0, ddb_size
);
6981 ddb_cookie
= &fw_ddb_entry
->cookie
;
6986 /* invalidate the cookie */
6987 *ddb_cookie
= 0xFFEE;
6988 qla4xxx_set_flash(ha
, fw_ddb_entry_dma
, dev_db_start_offset
,
6989 ddb_size
, FLASH_OPT_RMW_COMMIT
);
6992 target_id
= fnode_sess
->target_id
;
6993 iscsi_destroy_flashnode_sess(fnode_sess
);
6994 ql4_printk(KERN_INFO
, ha
,
6995 "%s: session and conn entries for flashnode %u of host %lu deleted\n",
6996 __func__
, target_id
, ha
->host_no
);
6999 dma_free_coherent(&ha
->pdev
->dev
, ddb_size
, pddb
,
7005 * qla4xxx_sysfs_ddb_export - Create sysfs entries for firmware DDBs
7006 * @ha: pointer to adapter structure
7008 * Export the firmware DDB for all send targets and normal targets to sysfs.
7010 static int qla4xxx_sysfs_ddb_export(struct scsi_qla_host
*ha
)
7012 struct dev_db_entry
*fw_ddb_entry
= NULL
;
7013 dma_addr_t fw_ddb_entry_dma
;
7016 int ret
= QLA_SUCCESS
;
7018 fw_ddb_entry
= dma_alloc_coherent(&ha
->pdev
->dev
,
7019 sizeof(*fw_ddb_entry
),
7020 &fw_ddb_entry_dma
, GFP_KERNEL
);
7021 if (!fw_ddb_entry
) {
7022 DEBUG2(ql4_printk(KERN_ERR
, ha
,
7023 "%s: Unable to allocate dma buffer\n",
7028 max_ddbs
= is_qla40XX(ha
) ? MAX_PRST_DEV_DB_ENTRIES
:
7031 for (idx
= 0; idx
< max_ddbs
; idx
++) {
7032 if (qla4xxx_flashdb_by_index(ha
, fw_ddb_entry
, fw_ddb_entry_dma
,
7036 ret
= qla4xxx_sysfs_ddb_tgt_create(ha
, fw_ddb_entry
, &idx
, 0);
7043 dma_free_coherent(&ha
->pdev
->dev
, sizeof(*fw_ddb_entry
), fw_ddb_entry
,
7049 static void qla4xxx_sysfs_ddb_remove(struct scsi_qla_host
*ha
)
7051 iscsi_destroy_all_flashnode(ha
->host
);
7055 * qla4xxx_build_ddb_list - Build ddb list and setup sessions
7056 * @ha: pointer to adapter structure
7057 * @is_reset: Is this init path or reset path
7059 * Create a list of sendtargets (st) from firmware DDBs, issue send targets
7060 * using connection open, then create the list of normal targets (nt)
7061 * from firmware DDBs. Based on the list of nt setup session and connection
7064 void qla4xxx_build_ddb_list(struct scsi_qla_host
*ha
, int is_reset
)
7067 struct list_head list_st
, list_nt
;
7068 struct qla_ddb_index
*st_ddb_idx
, *st_ddb_idx_tmp
;
7069 unsigned long wtime
;
7071 if (!test_bit(AF_LINK_UP
, &ha
->flags
)) {
7072 set_bit(AF_BUILD_DDB_LIST
, &ha
->flags
);
7073 ha
->is_reset
= is_reset
;
7077 INIT_LIST_HEAD(&list_st
);
7078 INIT_LIST_HEAD(&list_nt
);
7080 qla4xxx_build_st_list(ha
, &list_st
);
7082 /* Before issuing conn open mbox, ensure all IPs states are configured
7083 * Note, conn open fails if IPs are not configured
7085 qla4xxx_wait_for_ip_configuration(ha
);
7087 /* Go thru the STs and fire the sendtargets by issuing conn open mbx */
7088 list_for_each_entry_safe(st_ddb_idx
, st_ddb_idx_tmp
, &list_st
, list
) {
7089 qla4xxx_conn_open(ha
, st_ddb_idx
->fw_ddb_idx
);
7092 /* Wait to ensure all sendtargets are done for min 12 sec wait */
7093 tmo
= ((ha
->def_timeout
> LOGIN_TOV
) &&
7094 (ha
->def_timeout
< LOGIN_TOV
* 10) ?
7095 ha
->def_timeout
: LOGIN_TOV
);
7097 DEBUG2(ql4_printk(KERN_INFO
, ha
,
7098 "Default time to wait for build ddb %d\n", tmo
));
7100 wtime
= jiffies
+ (HZ
* tmo
);
7102 if (list_empty(&list_st
))
7105 qla4xxx_remove_failed_ddb(ha
, &list_st
);
7106 schedule_timeout_uninterruptible(HZ
/ 10);
7107 } while (time_after(wtime
, jiffies
));
7110 qla4xxx_build_nt_list(ha
, &list_nt
, &list_st
, is_reset
);
7112 qla4xxx_free_ddb_list(&list_st
);
7113 qla4xxx_free_ddb_list(&list_nt
);
7115 qla4xxx_free_ddb_index(ha
);
7119 * qla4xxx_wait_login_resp_boot_tgt - Wait for iSCSI boot target login
7121 * @ha: pointer to adapter structure
7123 * When the boot entry is normal iSCSI target then DF_BOOT_TGT flag will be
7124 * set in DDB and we will wait for login response of boot targets during
7127 static void qla4xxx_wait_login_resp_boot_tgt(struct scsi_qla_host
*ha
)
7129 struct ddb_entry
*ddb_entry
;
7130 struct dev_db_entry
*fw_ddb_entry
= NULL
;
7131 dma_addr_t fw_ddb_entry_dma
;
7132 unsigned long wtime
;
7134 int max_ddbs
, idx
, ret
;
7136 max_ddbs
= is_qla40XX(ha
) ? MAX_DEV_DB_ENTRIES_40XX
:
7139 fw_ddb_entry
= dma_alloc_coherent(&ha
->pdev
->dev
, sizeof(*fw_ddb_entry
),
7140 &fw_ddb_entry_dma
, GFP_KERNEL
);
7141 if (!fw_ddb_entry
) {
7142 ql4_printk(KERN_ERR
, ha
,
7143 "%s: Unable to allocate dma buffer\n", __func__
);
7144 goto exit_login_resp
;
7147 wtime
= jiffies
+ (HZ
* BOOT_LOGIN_RESP_TOV
);
7149 for (idx
= 0; idx
< max_ddbs
; idx
++) {
7150 ddb_entry
= qla4xxx_lookup_ddb_by_fw_index(ha
, idx
);
7151 if (ddb_entry
== NULL
)
7154 if (test_bit(DF_BOOT_TGT
, &ddb_entry
->flags
)) {
7155 DEBUG2(ql4_printk(KERN_INFO
, ha
,
7156 "%s: DDB index [%d]\n", __func__
,
7157 ddb_entry
->fw_ddb_index
));
7159 ret
= qla4xxx_get_fwddb_entry(ha
,
7160 ddb_entry
->fw_ddb_index
,
7161 fw_ddb_entry
, fw_ddb_entry_dma
,
7162 NULL
, NULL
, &ddb_state
, NULL
,
7164 if (ret
== QLA_ERROR
)
7165 goto exit_login_resp
;
7167 if ((ddb_state
== DDB_DS_SESSION_ACTIVE
) ||
7168 (ddb_state
== DDB_DS_SESSION_FAILED
))
7171 schedule_timeout_uninterruptible(HZ
);
7173 } while ((time_after(wtime
, jiffies
)));
7175 if (!time_after(wtime
, jiffies
)) {
7176 DEBUG2(ql4_printk(KERN_INFO
, ha
,
7177 "%s: Login response wait timer expired\n",
7179 goto exit_login_resp
;
7186 dma_free_coherent(&ha
->pdev
->dev
, sizeof(*fw_ddb_entry
),
7187 fw_ddb_entry
, fw_ddb_entry_dma
);
7191 * qla4xxx_probe_adapter - callback function to probe HBA
7192 * @pdev: pointer to pci_dev structure
7193 * @pci_device_id: pointer to pci_device entry
7195 * This routine will probe for Qlogic 4xxx iSCSI host adapters.
7196 * It returns zero if successful. It also initializes all data necessary for
7199 static int qla4xxx_probe_adapter(struct pci_dev
*pdev
,
7200 const struct pci_device_id
*ent
)
7202 int ret
= -ENODEV
, status
;
7203 struct Scsi_Host
*host
;
7204 struct scsi_qla_host
*ha
;
7205 uint8_t init_retry_count
= 0;
7207 struct qla4_8xxx_legacy_intr_set
*nx_legacy_intr
;
7210 if (pci_enable_device(pdev
))
7213 host
= iscsi_host_alloc(&qla4xxx_driver_template
, sizeof(*ha
), 0);
7216 "qla4xxx: Couldn't allocate host from scsi layer!\n");
7217 goto probe_disable_device
;
7220 /* Clear our data area */
7221 ha
= to_qla_host(host
);
7222 memset(ha
, 0, sizeof(*ha
));
7224 /* Save the information from PCI BIOS. */
7227 ha
->host_no
= host
->host_no
;
7228 ha
->func_num
= PCI_FUNC(ha
->pdev
->devfn
);
7230 pci_enable_pcie_error_reporting(pdev
);
7232 /* Setup Runtime configurable options */
7233 if (is_qla8022(ha
)) {
7234 ha
->isp_ops
= &qla4_82xx_isp_ops
;
7235 ha
->reg_tbl
= (uint32_t *) qla4_82xx_reg_tbl
;
7236 ha
->qdr_sn_window
= -1;
7237 ha
->ddr_mn_window
= -1;
7238 ha
->curr_window
= 255;
7239 nx_legacy_intr
= &legacy_intr
[ha
->func_num
];
7240 ha
->nx_legacy_intr
.int_vec_bit
= nx_legacy_intr
->int_vec_bit
;
7241 ha
->nx_legacy_intr
.tgt_status_reg
=
7242 nx_legacy_intr
->tgt_status_reg
;
7243 ha
->nx_legacy_intr
.tgt_mask_reg
= nx_legacy_intr
->tgt_mask_reg
;
7244 ha
->nx_legacy_intr
.pci_int_reg
= nx_legacy_intr
->pci_int_reg
;
7245 } else if (is_qla8032(ha
) || is_qla8042(ha
)) {
7246 ha
->isp_ops
= &qla4_83xx_isp_ops
;
7247 ha
->reg_tbl
= (uint32_t *)qla4_83xx_reg_tbl
;
7249 ha
->isp_ops
= &qla4xxx_isp_ops
;
7252 if (is_qla80XX(ha
)) {
7253 rwlock_init(&ha
->hw_lock
);
7254 ha
->pf_bit
= ha
->func_num
<< 16;
7255 /* Set EEH reset type to fundamental if required by hba */
7256 pdev
->needs_freset
= 1;
7259 /* Configure PCI I/O space. */
7260 ret
= ha
->isp_ops
->iospace_config(ha
);
7262 goto probe_failed_ioconfig
;
7264 ql4_printk(KERN_INFO
, ha
, "Found an ISP%04x, irq %d, iobase 0x%p\n",
7265 pdev
->device
, pdev
->irq
, ha
->reg
);
7267 qla4xxx_config_dma_addressing(ha
);
7269 /* Initialize lists and spinlocks. */
7270 INIT_LIST_HEAD(&ha
->free_srb_q
);
7272 mutex_init(&ha
->mbox_sem
);
7273 mutex_init(&ha
->chap_sem
);
7274 init_completion(&ha
->mbx_intr_comp
);
7275 init_completion(&ha
->disable_acb_comp
);
7277 spin_lock_init(&ha
->hardware_lock
);
7278 spin_lock_init(&ha
->work_lock
);
7280 /* Initialize work list */
7281 INIT_LIST_HEAD(&ha
->work_list
);
7283 /* Allocate dma buffers */
7284 if (qla4xxx_mem_alloc(ha
)) {
7285 ql4_printk(KERN_WARNING
, ha
,
7286 "[ERROR] Failed to allocate memory for adapter\n");
7292 host
->cmd_per_lun
= 3;
7293 host
->max_channel
= 0;
7294 host
->max_lun
= MAX_LUNS
- 1;
7295 host
->max_id
= MAX_TARGETS
;
7296 host
->max_cmd_len
= IOCB_MAX_CDB_LEN
;
7297 host
->can_queue
= MAX_SRBS
;
7298 host
->transportt
= qla4xxx_scsi_transport
;
7300 ret
= scsi_init_shared_tag_map(host
, MAX_SRBS
);
7302 ql4_printk(KERN_WARNING
, ha
,
7303 "%s: scsi_init_shared_tag_map failed\n", __func__
);
7307 pci_set_drvdata(pdev
, ha
);
7309 ret
= scsi_add_host(host
, &pdev
->dev
);
7314 qla4_8xxx_get_flash_info(ha
);
7316 if (is_qla8032(ha
) || is_qla8042(ha
)) {
7317 qla4_83xx_read_reset_template(ha
);
7319 * NOTE: If ql4dontresethba==1, set IDC_CTRL DONTRESET_BIT0.
7320 * If DONRESET_BIT0 is set, drivers should not set dev_state
7321 * to NEED_RESET. But if NEED_RESET is set, drivers should
7322 * should honor the reset.
7324 if (ql4xdontresethba
== 1)
7325 qla4_83xx_set_idc_dontreset(ha
);
7329 * Initialize the Host adapter request/response queues and
7331 * NOTE: interrupts enabled upon successful completion
7333 status
= qla4xxx_initialize_adapter(ha
, INIT_ADAPTER
);
7335 /* Dont retry adapter initialization if IRQ allocation failed */
7336 if (is_qla80XX(ha
) && !test_bit(AF_IRQ_ATTACHED
, &ha
->flags
)) {
7337 ql4_printk(KERN_WARNING
, ha
, "%s: Skipping retry of adapter initialization\n",
7339 goto skip_retry_init
;
7342 while ((!test_bit(AF_ONLINE
, &ha
->flags
)) &&
7343 init_retry_count
++ < MAX_INIT_RETRIES
) {
7345 if (is_qla80XX(ha
)) {
7346 ha
->isp_ops
->idc_lock(ha
);
7347 dev_state
= qla4_8xxx_rd_direct(ha
,
7348 QLA8XXX_CRB_DEV_STATE
);
7349 ha
->isp_ops
->idc_unlock(ha
);
7350 if (dev_state
== QLA8XXX_DEV_FAILED
) {
7351 ql4_printk(KERN_WARNING
, ha
, "%s: don't retry "
7352 "initialize adapter. H/W is in failed state\n",
7357 DEBUG2(printk("scsi: %s: retrying adapter initialization "
7358 "(%d)\n", __func__
, init_retry_count
));
7360 if (ha
->isp_ops
->reset_chip(ha
) == QLA_ERROR
)
7363 status
= qla4xxx_initialize_adapter(ha
, INIT_ADAPTER
);
7367 if (!test_bit(AF_ONLINE
, &ha
->flags
)) {
7368 ql4_printk(KERN_WARNING
, ha
, "Failed to initialize adapter\n");
7370 if ((is_qla8022(ha
) && ql4xdontresethba
) ||
7371 ((is_qla8032(ha
) || is_qla8042(ha
)) &&
7372 qla4_83xx_idc_dontreset(ha
))) {
7373 /* Put the device in failed state. */
7374 DEBUG2(printk(KERN_ERR
"HW STATE: FAILED\n"));
7375 ha
->isp_ops
->idc_lock(ha
);
7376 qla4_8xxx_wr_direct(ha
, QLA8XXX_CRB_DEV_STATE
,
7377 QLA8XXX_DEV_FAILED
);
7378 ha
->isp_ops
->idc_unlock(ha
);
7384 /* Startup the kernel thread for this host adapter. */
7385 DEBUG2(printk("scsi: %s: Starting kernel thread for "
7386 "qla4xxx_dpc\n", __func__
));
7387 sprintf(buf
, "qla4xxx_%lu_dpc", ha
->host_no
);
7388 ha
->dpc_thread
= create_singlethread_workqueue(buf
);
7389 if (!ha
->dpc_thread
) {
7390 ql4_printk(KERN_WARNING
, ha
, "Unable to start DPC thread!\n");
7394 INIT_WORK(&ha
->dpc_work
, qla4xxx_do_dpc
);
7396 ha
->task_wq
= alloc_workqueue("qla4xxx_%lu_task", WQ_MEM_RECLAIM
, 1,
7399 ql4_printk(KERN_WARNING
, ha
, "Unable to start task thread!\n");
7405 * For ISP-8XXX, request_irqs is called in qla4_8xxx_load_risc
7406 * (which is called indirectly by qla4xxx_initialize_adapter),
7407 * so that irqs will be registered after crbinit but before
7410 if (is_qla40XX(ha
)) {
7411 ret
= qla4xxx_request_irqs(ha
);
7413 ql4_printk(KERN_WARNING
, ha
, "Failed to reserve "
7414 "interrupt %d already in use.\n", pdev
->irq
);
7419 pci_save_state(ha
->pdev
);
7420 ha
->isp_ops
->enable_intrs(ha
);
7422 /* Start timer thread. */
7423 qla4xxx_start_timer(ha
, qla4xxx_timer
, 1);
7425 set_bit(AF_INIT_DONE
, &ha
->flags
);
7427 qla4_8xxx_alloc_sysfs_attr(ha
);
7430 " QLogic iSCSI HBA Driver version: %s\n"
7431 " QLogic ISP%04x @ %s, host#=%ld, fw=%02d.%02d.%02d.%02d\n",
7432 qla4xxx_version_str
, ha
->pdev
->device
, pci_name(ha
->pdev
),
7433 ha
->host_no
, ha
->fw_info
.fw_major
, ha
->fw_info
.fw_minor
,
7434 ha
->fw_info
.fw_patch
, ha
->fw_info
.fw_build
);
7436 /* Set the driver version */
7438 qla4_8xxx_set_param(ha
, SET_DRVR_VERSION
);
7440 if (qla4xxx_setup_boot_info(ha
))
7441 ql4_printk(KERN_ERR
, ha
,
7442 "%s: No iSCSI boot target configured\n", __func__
);
7444 if (qla4xxx_sysfs_ddb_export(ha
))
7445 ql4_printk(KERN_ERR
, ha
,
7446 "%s: Error exporting ddb to sysfs\n", __func__
);
7448 /* Perform the build ddb list and login to each */
7449 qla4xxx_build_ddb_list(ha
, INIT_ADAPTER
);
7450 iscsi_host_for_each_session(ha
->host
, qla4xxx_login_flash_ddb
);
7451 qla4xxx_wait_login_resp_boot_tgt(ha
);
7453 qla4xxx_create_chap_list(ha
);
7455 qla4xxx_create_ifaces(ha
);
7459 scsi_remove_host(ha
->host
);
7462 qla4xxx_free_adapter(ha
);
7464 probe_failed_ioconfig
:
7465 pci_disable_pcie_error_reporting(pdev
);
7466 scsi_host_put(ha
->host
);
7468 probe_disable_device
:
7469 pci_disable_device(pdev
);
7475 * qla4xxx_prevent_other_port_reinit - prevent other port from re-initialize
7476 * @ha: pointer to adapter structure
7478 * Mark the other ISP-4xxx port to indicate that the driver is being removed,
7479 * so that the other port will not re-initialize while in the process of
7480 * removing the ha due to driver unload or hba hotplug.
7482 static void qla4xxx_prevent_other_port_reinit(struct scsi_qla_host
*ha
)
7484 struct scsi_qla_host
*other_ha
= NULL
;
7485 struct pci_dev
*other_pdev
= NULL
;
7486 int fn
= ISP4XXX_PCI_FN_2
;
7488 /*iscsi function numbers for ISP4xxx is 1 and 3*/
7489 if (PCI_FUNC(ha
->pdev
->devfn
) & BIT_1
)
7490 fn
= ISP4XXX_PCI_FN_1
;
7493 pci_get_domain_bus_and_slot(pci_domain_nr(ha
->pdev
->bus
),
7494 ha
->pdev
->bus
->number
, PCI_DEVFN(PCI_SLOT(ha
->pdev
->devfn
),
7497 /* Get other_ha if other_pdev is valid and state is enable*/
7499 if (atomic_read(&other_pdev
->enable_cnt
)) {
7500 other_ha
= pci_get_drvdata(other_pdev
);
7502 set_bit(AF_HA_REMOVAL
, &other_ha
->flags
);
7503 DEBUG2(ql4_printk(KERN_INFO
, ha
, "%s: "
7504 "Prevent %s reinit\n", __func__
,
7505 dev_name(&other_ha
->pdev
->dev
)));
7508 pci_dev_put(other_pdev
);
7512 static void qla4xxx_destroy_fw_ddb_session(struct scsi_qla_host
*ha
)
7514 struct ddb_entry
*ddb_entry
;
7518 for (idx
= 0; idx
< MAX_DDB_ENTRIES
; idx
++) {
7520 ddb_entry
= qla4xxx_lookup_ddb_by_fw_index(ha
, idx
);
7521 if ((ddb_entry
!= NULL
) &&
7522 (ddb_entry
->ddb_type
== FLASH_DDB
)) {
7524 options
= LOGOUT_OPTION_CLOSE_SESSION
;
7525 if (qla4xxx_session_logout_ddb(ha
, ddb_entry
, options
)
7527 ql4_printk(KERN_ERR
, ha
, "%s: Logout failed\n",
7530 qla4xxx_clear_ddb_entry(ha
, ddb_entry
->fw_ddb_index
);
7532 * we have decremented the reference count of the driver
7533 * when we setup the session to have the driver unload
7534 * to be seamless without actually destroying the
7537 try_module_get(qla4xxx_iscsi_transport
.owner
);
7538 iscsi_destroy_endpoint(ddb_entry
->conn
->ep
);
7539 qla4xxx_free_ddb(ha
, ddb_entry
);
7540 iscsi_session_teardown(ddb_entry
->sess
);
7545 * qla4xxx_remove_adapter - callback function to remove adapter.
7546 * @pci_dev: PCI device pointer
7548 static void qla4xxx_remove_adapter(struct pci_dev
*pdev
)
7550 struct scsi_qla_host
*ha
;
7553 * If the PCI device is disabled then it means probe_adapter had
7554 * failed and resources already cleaned up on probe_adapter exit.
7556 if (!pci_is_enabled(pdev
))
7559 ha
= pci_get_drvdata(pdev
);
7562 qla4xxx_prevent_other_port_reinit(ha
);
7564 /* destroy iface from sysfs */
7565 qla4xxx_destroy_ifaces(ha
);
7567 if ((!ql4xdisablesysfsboot
) && ha
->boot_kset
)
7568 iscsi_boot_destroy_kset(ha
->boot_kset
);
7570 qla4xxx_destroy_fw_ddb_session(ha
);
7571 qla4_8xxx_free_sysfs_attr(ha
);
7573 qla4xxx_sysfs_ddb_remove(ha
);
7574 scsi_remove_host(ha
->host
);
7576 qla4xxx_free_adapter(ha
);
7578 scsi_host_put(ha
->host
);
7580 pci_disable_pcie_error_reporting(pdev
);
7581 pci_disable_device(pdev
);
7582 pci_set_drvdata(pdev
, NULL
);
7586 * qla4xxx_config_dma_addressing() - Configure OS DMA addressing method.
7589 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
7590 * supported addressing method.
7592 static void qla4xxx_config_dma_addressing(struct scsi_qla_host
*ha
)
7596 /* Update our PCI device dma_mask for full 64 bit mask */
7597 if (pci_set_dma_mask(ha
->pdev
, DMA_BIT_MASK(64)) == 0) {
7598 if (pci_set_consistent_dma_mask(ha
->pdev
, DMA_BIT_MASK(64))) {
7599 dev_dbg(&ha
->pdev
->dev
,
7600 "Failed to set 64 bit PCI consistent mask; "
7602 retval
= pci_set_consistent_dma_mask(ha
->pdev
,
7606 retval
= pci_set_dma_mask(ha
->pdev
, DMA_BIT_MASK(32));
7609 static int qla4xxx_slave_alloc(struct scsi_device
*sdev
)
7611 struct iscsi_cls_session
*cls_sess
;
7612 struct iscsi_session
*sess
;
7613 struct ddb_entry
*ddb
;
7614 int queue_depth
= QL4_DEF_QDEPTH
;
7616 cls_sess
= starget_to_session(sdev
->sdev_target
);
7617 sess
= cls_sess
->dd_data
;
7618 ddb
= sess
->dd_data
;
7620 sdev
->hostdata
= ddb
;
7621 sdev
->tagged_supported
= 1;
7623 if (ql4xmaxqdepth
!= 0 && ql4xmaxqdepth
<= 0xffffU
)
7624 queue_depth
= ql4xmaxqdepth
;
7626 scsi_activate_tcq(sdev
, queue_depth
);
7630 static int qla4xxx_slave_configure(struct scsi_device
*sdev
)
7632 sdev
->tagged_supported
= 1;
7636 static void qla4xxx_slave_destroy(struct scsi_device
*sdev
)
7638 scsi_deactivate_tcq(sdev
, 1);
7641 static int qla4xxx_change_queue_depth(struct scsi_device
*sdev
, int qdepth
,
7644 if (!ql4xqfulltracking
)
7647 return iscsi_change_queue_depth(sdev
, qdepth
, reason
);
7651 * qla4xxx_del_from_active_array - returns an active srb
7652 * @ha: Pointer to host adapter structure.
7653 * @index: index into the active_array
7655 * This routine removes and returns the srb at the specified index
7657 struct srb
*qla4xxx_del_from_active_array(struct scsi_qla_host
*ha
,
7660 struct srb
*srb
= NULL
;
7661 struct scsi_cmnd
*cmd
= NULL
;
7663 cmd
= scsi_host_find_tag(ha
->host
, index
);
7667 srb
= (struct srb
*)CMD_SP(cmd
);
7671 /* update counters */
7672 if (srb
->flags
& SRB_DMA_VALID
) {
7673 ha
->iocb_cnt
-= srb
->iocb_cnt
;
7675 srb
->cmd
->host_scribble
=
7676 (unsigned char *)(unsigned long) MAX_SRBS
;
7682 * qla4xxx_eh_wait_on_command - waits for command to be returned by firmware
7683 * @ha: Pointer to host adapter structure.
7684 * @cmd: Scsi Command to wait on.
7686 * This routine waits for the command to be returned by the Firmware
7687 * for some max time.
7689 static int qla4xxx_eh_wait_on_command(struct scsi_qla_host
*ha
,
7690 struct scsi_cmnd
*cmd
)
7694 uint32_t max_wait_time
= EH_WAIT_CMD_TOV
;
7697 /* Dont wait on command if PCI error is being handled
7700 if (unlikely(pci_channel_offline(ha
->pdev
)) ||
7701 (test_bit(AF_EEH_BUSY
, &ha
->flags
))) {
7702 ql4_printk(KERN_WARNING
, ha
, "scsi%ld: Return from %s\n",
7703 ha
->host_no
, __func__
);
7708 /* Checking to see if its returned to OS */
7709 rp
= (struct srb
*) CMD_SP(cmd
);
7716 } while (max_wait_time
--);
7722 * qla4xxx_wait_for_hba_online - waits for HBA to come online
7723 * @ha: Pointer to host adapter structure
7725 static int qla4xxx_wait_for_hba_online(struct scsi_qla_host
*ha
)
7727 unsigned long wait_online
;
7729 wait_online
= jiffies
+ (HBA_ONLINE_TOV
* HZ
);
7730 while (time_before(jiffies
, wait_online
)) {
7742 * qla4xxx_eh_wait_for_commands - wait for active cmds to finish.
7743 * @ha: pointer to HBA
7747 * This function waits for all outstanding commands to a lun to complete. It
7748 * returns 0 if all pending commands are returned and 1 otherwise.
7750 static int qla4xxx_eh_wait_for_commands(struct scsi_qla_host
*ha
,
7751 struct scsi_target
*stgt
,
7752 struct scsi_device
*sdev
)
7756 struct scsi_cmnd
*cmd
;
7759 * Waiting for all commands for the designated target or dev
7760 * in the active array
7762 for (cnt
= 0; cnt
< ha
->host
->can_queue
; cnt
++) {
7763 cmd
= scsi_host_find_tag(ha
->host
, cnt
);
7764 if (cmd
&& stgt
== scsi_target(cmd
->device
) &&
7765 (!sdev
|| sdev
== cmd
->device
)) {
7766 if (!qla4xxx_eh_wait_on_command(ha
, cmd
)) {
7776 * qla4xxx_eh_abort - callback for abort task.
7777 * @cmd: Pointer to Linux's SCSI command structure
7779 * This routine is called by the Linux OS to abort the specified
7782 static int qla4xxx_eh_abort(struct scsi_cmnd
*cmd
)
7784 struct scsi_qla_host
*ha
= to_qla_host(cmd
->device
->host
);
7785 unsigned int id
= cmd
->device
->id
;
7786 unsigned int lun
= cmd
->device
->lun
;
7787 unsigned long flags
;
7788 struct srb
*srb
= NULL
;
7792 ql4_printk(KERN_INFO
, ha
,
7793 "scsi%ld:%d:%d: Abort command issued cmd=%p\n",
7794 ha
->host_no
, id
, lun
, cmd
);
7796 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
7797 srb
= (struct srb
*) CMD_SP(cmd
);
7799 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
7802 kref_get(&srb
->srb_ref
);
7803 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
7805 if (qla4xxx_abort_task(ha
, srb
) != QLA_SUCCESS
) {
7806 DEBUG3(printk("scsi%ld:%d:%d: Abort_task mbx failed.\n",
7807 ha
->host_no
, id
, lun
));
7810 DEBUG3(printk("scsi%ld:%d:%d: Abort_task mbx success.\n",
7811 ha
->host_no
, id
, lun
));
7815 kref_put(&srb
->srb_ref
, qla4xxx_srb_compl
);
7817 /* Wait for command to complete */
7819 if (!qla4xxx_eh_wait_on_command(ha
, cmd
)) {
7820 DEBUG2(printk("scsi%ld:%d:%d: Abort handler timed out\n",
7821 ha
->host_no
, id
, lun
));
7826 ql4_printk(KERN_INFO
, ha
,
7827 "scsi%ld:%d:%d: Abort command - %s\n",
7828 ha
->host_no
, id
, lun
, (ret
== SUCCESS
) ? "succeeded" : "failed");
7834 * qla4xxx_eh_device_reset - callback for target reset.
7835 * @cmd: Pointer to Linux's SCSI command structure
7837 * This routine is called by the Linux OS to reset all luns on the
7840 static int qla4xxx_eh_device_reset(struct scsi_cmnd
*cmd
)
7842 struct scsi_qla_host
*ha
= to_qla_host(cmd
->device
->host
);
7843 struct ddb_entry
*ddb_entry
= cmd
->device
->hostdata
;
7844 int ret
= FAILED
, stat
;
7849 ret
= iscsi_block_scsi_eh(cmd
);
7854 ql4_printk(KERN_INFO
, ha
,
7855 "scsi%ld:%d:%d:%d: DEVICE RESET ISSUED.\n", ha
->host_no
,
7856 cmd
->device
->channel
, cmd
->device
->id
, cmd
->device
->lun
);
7858 DEBUG2(printk(KERN_INFO
7859 "scsi%ld: DEVICE_RESET cmd=%p jiffies = 0x%lx, to=%x,"
7860 "dpc_flags=%lx, status=%x allowed=%d\n", ha
->host_no
,
7861 cmd
, jiffies
, cmd
->request
->timeout
/ HZ
,
7862 ha
->dpc_flags
, cmd
->result
, cmd
->allowed
));
7864 /* FIXME: wait for hba to go online */
7865 stat
= qla4xxx_reset_lun(ha
, ddb_entry
, cmd
->device
->lun
);
7866 if (stat
!= QLA_SUCCESS
) {
7867 ql4_printk(KERN_INFO
, ha
, "DEVICE RESET FAILED. %d\n", stat
);
7868 goto eh_dev_reset_done
;
7871 if (qla4xxx_eh_wait_for_commands(ha
, scsi_target(cmd
->device
),
7873 ql4_printk(KERN_INFO
, ha
,
7874 "DEVICE RESET FAILED - waiting for "
7876 goto eh_dev_reset_done
;
7880 if (qla4xxx_send_marker_iocb(ha
, ddb_entry
, cmd
->device
->lun
,
7881 MM_LUN_RESET
) != QLA_SUCCESS
)
7882 goto eh_dev_reset_done
;
7884 ql4_printk(KERN_INFO
, ha
,
7885 "scsi(%ld:%d:%d:%d): DEVICE RESET SUCCEEDED.\n",
7886 ha
->host_no
, cmd
->device
->channel
, cmd
->device
->id
,
7897 * qla4xxx_eh_target_reset - callback for target reset.
7898 * @cmd: Pointer to Linux's SCSI command structure
7900 * This routine is called by the Linux OS to reset the target.
7902 static int qla4xxx_eh_target_reset(struct scsi_cmnd
*cmd
)
7904 struct scsi_qla_host
*ha
= to_qla_host(cmd
->device
->host
);
7905 struct ddb_entry
*ddb_entry
= cmd
->device
->hostdata
;
7911 ret
= iscsi_block_scsi_eh(cmd
);
7915 starget_printk(KERN_INFO
, scsi_target(cmd
->device
),
7916 "WARM TARGET RESET ISSUED.\n");
7918 DEBUG2(printk(KERN_INFO
7919 "scsi%ld: TARGET_DEVICE_RESET cmd=%p jiffies = 0x%lx, "
7920 "to=%x,dpc_flags=%lx, status=%x allowed=%d\n",
7921 ha
->host_no
, cmd
, jiffies
, cmd
->request
->timeout
/ HZ
,
7922 ha
->dpc_flags
, cmd
->result
, cmd
->allowed
));
7924 stat
= qla4xxx_reset_target(ha
, ddb_entry
);
7925 if (stat
!= QLA_SUCCESS
) {
7926 starget_printk(KERN_INFO
, scsi_target(cmd
->device
),
7927 "WARM TARGET RESET FAILED.\n");
7931 if (qla4xxx_eh_wait_for_commands(ha
, scsi_target(cmd
->device
),
7933 starget_printk(KERN_INFO
, scsi_target(cmd
->device
),
7934 "WARM TARGET DEVICE RESET FAILED - "
7935 "waiting for commands.\n");
7940 if (qla4xxx_send_marker_iocb(ha
, ddb_entry
, cmd
->device
->lun
,
7941 MM_TGT_WARM_RESET
) != QLA_SUCCESS
) {
7942 starget_printk(KERN_INFO
, scsi_target(cmd
->device
),
7943 "WARM TARGET DEVICE RESET FAILED - "
7944 "marker iocb failed.\n");
7948 starget_printk(KERN_INFO
, scsi_target(cmd
->device
),
7949 "WARM TARGET RESET SUCCEEDED.\n");
7954 * qla4xxx_is_eh_active - check if error handler is running
7955 * @shost: Pointer to SCSI Host struct
7957 * This routine finds that if reset host is called in EH
7958 * scenario or from some application like sg_reset
7960 static int qla4xxx_is_eh_active(struct Scsi_Host
*shost
)
7962 if (shost
->shost_state
== SHOST_RECOVERY
)
7968 * qla4xxx_eh_host_reset - kernel callback
7969 * @cmd: Pointer to Linux's SCSI command structure
7971 * This routine is invoked by the Linux kernel to perform fatal error
7972 * recovery on the specified adapter.
7974 static int qla4xxx_eh_host_reset(struct scsi_cmnd
*cmd
)
7976 int return_status
= FAILED
;
7977 struct scsi_qla_host
*ha
;
7979 ha
= to_qla_host(cmd
->device
->host
);
7981 if ((is_qla8032(ha
) || is_qla8042(ha
)) && ql4xdontresethba
)
7982 qla4_83xx_set_idc_dontreset(ha
);
7985 * For ISP8324 and ISP8042, if IDC_CTRL DONTRESET_BIT0 is set by other
7986 * protocol drivers, we should not set device_state to NEED_RESET
7988 if (ql4xdontresethba
||
7989 ((is_qla8032(ha
) || is_qla8042(ha
)) &&
7990 qla4_83xx_idc_dontreset(ha
))) {
7991 DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n",
7992 ha
->host_no
, __func__
));
7994 /* Clear outstanding srb in queues */
7995 if (qla4xxx_is_eh_active(cmd
->device
->host
))
7996 qla4xxx_abort_active_cmds(ha
, DID_ABORT
<< 16);
8001 ql4_printk(KERN_INFO
, ha
,
8002 "scsi(%ld:%d:%d:%d): HOST RESET ISSUED.\n", ha
->host_no
,
8003 cmd
->device
->channel
, cmd
->device
->id
, cmd
->device
->lun
);
8005 if (qla4xxx_wait_for_hba_online(ha
) != QLA_SUCCESS
) {
8006 DEBUG2(printk("scsi%ld:%d: %s: Unable to reset host. Adapter "
8007 "DEAD.\n", ha
->host_no
, cmd
->device
->channel
,
8013 if (!test_bit(DPC_RESET_HA
, &ha
->dpc_flags
)) {
8015 set_bit(DPC_RESET_HA_FW_CONTEXT
, &ha
->dpc_flags
);
8017 set_bit(DPC_RESET_HA
, &ha
->dpc_flags
);
8020 if (qla4xxx_recover_adapter(ha
) == QLA_SUCCESS
)
8021 return_status
= SUCCESS
;
8023 ql4_printk(KERN_INFO
, ha
, "HOST RESET %s.\n",
8024 return_status
== FAILED
? "FAILED" : "SUCCEEDED");
8026 return return_status
;
8029 static int qla4xxx_context_reset(struct scsi_qla_host
*ha
)
8031 uint32_t mbox_cmd
[MBOX_REG_COUNT
];
8032 uint32_t mbox_sts
[MBOX_REG_COUNT
];
8033 struct addr_ctrl_blk_def
*acb
= NULL
;
8034 uint32_t acb_len
= sizeof(struct addr_ctrl_blk_def
);
8035 int rval
= QLA_SUCCESS
;
8038 acb
= dma_alloc_coherent(&ha
->pdev
->dev
,
8039 sizeof(struct addr_ctrl_blk_def
),
8040 &acb_dma
, GFP_KERNEL
);
8042 ql4_printk(KERN_ERR
, ha
, "%s: Unable to alloc acb\n",
8045 goto exit_port_reset
;
8048 memset(acb
, 0, acb_len
);
8050 rval
= qla4xxx_get_acb(ha
, acb_dma
, PRIMARI_ACB
, acb_len
);
8051 if (rval
!= QLA_SUCCESS
) {
8056 rval
= qla4xxx_disable_acb(ha
);
8057 if (rval
!= QLA_SUCCESS
) {
8062 wait_for_completion_timeout(&ha
->disable_acb_comp
,
8063 DISABLE_ACB_TOV
* HZ
);
8065 rval
= qla4xxx_set_acb(ha
, &mbox_cmd
[0], &mbox_sts
[0], acb_dma
);
8066 if (rval
!= QLA_SUCCESS
) {
8072 dma_free_coherent(&ha
->pdev
->dev
, sizeof(struct addr_ctrl_blk_def
),
8075 DEBUG2(ql4_printk(KERN_INFO
, ha
, "%s %s\n", __func__
,
8076 rval
== QLA_SUCCESS
? "SUCCEEDED" : "FAILED"));
8080 static int qla4xxx_host_reset(struct Scsi_Host
*shost
, int reset_type
)
8082 struct scsi_qla_host
*ha
= to_qla_host(shost
);
8083 int rval
= QLA_SUCCESS
;
8086 if (ql4xdontresethba
) {
8087 DEBUG2(ql4_printk(KERN_INFO
, ha
, "%s: Don't Reset HBA\n",
8090 goto exit_host_reset
;
8093 if (test_bit(DPC_RESET_HA
, &ha
->dpc_flags
))
8094 goto recover_adapter
;
8096 switch (reset_type
) {
8097 case SCSI_ADAPTER_RESET
:
8098 set_bit(DPC_RESET_HA
, &ha
->dpc_flags
);
8100 case SCSI_FIRMWARE_RESET
:
8101 if (!test_bit(DPC_RESET_HA
, &ha
->dpc_flags
)) {
8103 /* set firmware context reset */
8104 set_bit(DPC_RESET_HA_FW_CONTEXT
,
8107 rval
= qla4xxx_context_reset(ha
);
8108 goto exit_host_reset
;
8115 /* For ISP8324 and ISP8042 set graceful reset bit in IDC_DRV_CTRL if
8116 * reset is issued by application */
8117 if ((is_qla8032(ha
) || is_qla8042(ha
)) &&
8118 test_bit(DPC_RESET_HA
, &ha
->dpc_flags
)) {
8119 idc_ctrl
= qla4_83xx_rd_reg(ha
, QLA83XX_IDC_DRV_CTRL
);
8120 qla4_83xx_wr_reg(ha
, QLA83XX_IDC_DRV_CTRL
,
8121 (idc_ctrl
| GRACEFUL_RESET_BIT1
));
8124 rval
= qla4xxx_recover_adapter(ha
);
8125 if (rval
!= QLA_SUCCESS
) {
8126 DEBUG2(ql4_printk(KERN_INFO
, ha
, "%s: recover adapter fail\n",
8135 /* PCI AER driver recovers from all correctable errors w/o
8136 * driver intervention. For uncorrectable errors PCI AER
8137 * driver calls the following device driver's callbacks
8139 * - Fatal Errors - link_reset
8140 * - Non-Fatal Errors - driver's pci_error_detected() which
8141 * returns CAN_RECOVER, NEED_RESET or DISCONNECT.
8143 * PCI AER driver calls
8144 * CAN_RECOVER - driver's pci_mmio_enabled(), mmio_enabled
8145 * returns RECOVERED or NEED_RESET if fw_hung
8146 * NEED_RESET - driver's slot_reset()
8147 * DISCONNECT - device is dead & cannot recover
8148 * RECOVERED - driver's pci_resume()
8150 static pci_ers_result_t
8151 qla4xxx_pci_error_detected(struct pci_dev
*pdev
, pci_channel_state_t state
)
8153 struct scsi_qla_host
*ha
= pci_get_drvdata(pdev
);
8155 ql4_printk(KERN_WARNING
, ha
, "scsi%ld: %s: error detected:state %x\n",
8156 ha
->host_no
, __func__
, state
);
8158 if (!is_aer_supported(ha
))
8159 return PCI_ERS_RESULT_NONE
;
8162 case pci_channel_io_normal
:
8163 clear_bit(AF_EEH_BUSY
, &ha
->flags
);
8164 return PCI_ERS_RESULT_CAN_RECOVER
;
8165 case pci_channel_io_frozen
:
8166 set_bit(AF_EEH_BUSY
, &ha
->flags
);
8167 qla4xxx_mailbox_premature_completion(ha
);
8168 qla4xxx_free_irqs(ha
);
8169 pci_disable_device(pdev
);
8170 /* Return back all IOs */
8171 qla4xxx_abort_active_cmds(ha
, DID_RESET
<< 16);
8172 return PCI_ERS_RESULT_NEED_RESET
;
8173 case pci_channel_io_perm_failure
:
8174 set_bit(AF_EEH_BUSY
, &ha
->flags
);
8175 set_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE
, &ha
->flags
);
8176 qla4xxx_abort_active_cmds(ha
, DID_NO_CONNECT
<< 16);
8177 return PCI_ERS_RESULT_DISCONNECT
;
8179 return PCI_ERS_RESULT_NEED_RESET
;
8183 * qla4xxx_pci_mmio_enabled() gets called if
8184 * qla4xxx_pci_error_detected() returns PCI_ERS_RESULT_CAN_RECOVER
8185 * and read/write to the device still works.
8187 static pci_ers_result_t
8188 qla4xxx_pci_mmio_enabled(struct pci_dev
*pdev
)
8190 struct scsi_qla_host
*ha
= pci_get_drvdata(pdev
);
8192 if (!is_aer_supported(ha
))
8193 return PCI_ERS_RESULT_NONE
;
8195 return PCI_ERS_RESULT_RECOVERED
;
8198 static uint32_t qla4_8xxx_error_recovery(struct scsi_qla_host
*ha
)
8200 uint32_t rval
= QLA_ERROR
;
8202 struct pci_dev
*other_pdev
= NULL
;
8204 ql4_printk(KERN_WARNING
, ha
, "scsi%ld: In %s\n", ha
->host_no
, __func__
);
8206 set_bit(DPC_RESET_ACTIVE
, &ha
->dpc_flags
);
8208 if (test_bit(AF_ONLINE
, &ha
->flags
)) {
8209 clear_bit(AF_ONLINE
, &ha
->flags
);
8210 clear_bit(AF_LINK_UP
, &ha
->flags
);
8211 iscsi_host_for_each_session(ha
->host
, qla4xxx_fail_session
);
8212 qla4xxx_process_aen(ha
, FLUSH_DDB_CHANGED_AENS
);
8215 fn
= PCI_FUNC(ha
->pdev
->devfn
);
8218 ql4_printk(KERN_INFO
, ha
, "scsi%ld: %s: Finding PCI device at "
8219 "func %x\n", ha
->host_no
, __func__
, fn
);
8220 /* Get the pci device given the domain, bus,
8221 * slot/function number */
8223 pci_get_domain_bus_and_slot(pci_domain_nr(ha
->pdev
->bus
),
8224 ha
->pdev
->bus
->number
, PCI_DEVFN(PCI_SLOT(ha
->pdev
->devfn
),
8230 if (atomic_read(&other_pdev
->enable_cnt
)) {
8231 ql4_printk(KERN_INFO
, ha
, "scsi%ld: %s: Found PCI "
8232 "func in enabled state%x\n", ha
->host_no
,
8234 pci_dev_put(other_pdev
);
8237 pci_dev_put(other_pdev
);
8240 /* The first function on the card, the reset owner will
8241 * start & initialize the firmware. The other functions
8242 * on the card will reset the firmware context
8245 ql4_printk(KERN_INFO
, ha
, "scsi%ld: %s: devfn being reset "
8246 "0x%x is the owner\n", ha
->host_no
, __func__
,
8249 ha
->isp_ops
->idc_lock(ha
);
8250 qla4_8xxx_wr_direct(ha
, QLA8XXX_CRB_DEV_STATE
,
8252 ha
->isp_ops
->idc_unlock(ha
);
8254 rval
= qla4_8xxx_update_idc_reg(ha
);
8255 if (rval
== QLA_ERROR
) {
8256 ql4_printk(KERN_INFO
, ha
, "scsi%ld: %s: HW State: FAILED\n",
8257 ha
->host_no
, __func__
);
8258 ha
->isp_ops
->idc_lock(ha
);
8259 qla4_8xxx_wr_direct(ha
, QLA8XXX_CRB_DEV_STATE
,
8260 QLA8XXX_DEV_FAILED
);
8261 ha
->isp_ops
->idc_unlock(ha
);
8262 goto exit_error_recovery
;
8265 clear_bit(AF_FW_RECOVERY
, &ha
->flags
);
8266 rval
= qla4xxx_initialize_adapter(ha
, RESET_ADAPTER
);
8268 if (rval
!= QLA_SUCCESS
) {
8269 ql4_printk(KERN_INFO
, ha
, "scsi%ld: %s: HW State: "
8270 "FAILED\n", ha
->host_no
, __func__
);
8271 ha
->isp_ops
->idc_lock(ha
);
8272 qla4_8xxx_clear_drv_active(ha
);
8273 qla4_8xxx_wr_direct(ha
, QLA8XXX_CRB_DEV_STATE
,
8274 QLA8XXX_DEV_FAILED
);
8275 ha
->isp_ops
->idc_unlock(ha
);
8277 ql4_printk(KERN_INFO
, ha
, "scsi%ld: %s: HW State: "
8278 "READY\n", ha
->host_no
, __func__
);
8279 ha
->isp_ops
->idc_lock(ha
);
8280 qla4_8xxx_wr_direct(ha
, QLA8XXX_CRB_DEV_STATE
,
8282 /* Clear driver state register */
8283 qla4_8xxx_wr_direct(ha
, QLA8XXX_CRB_DRV_STATE
, 0);
8284 qla4_8xxx_set_drv_active(ha
);
8285 ha
->isp_ops
->idc_unlock(ha
);
8286 ha
->isp_ops
->enable_intrs(ha
);
8289 ql4_printk(KERN_INFO
, ha
, "scsi%ld: %s: devfn 0x%x is not "
8290 "the reset owner\n", ha
->host_no
, __func__
,
8292 if ((qla4_8xxx_rd_direct(ha
, QLA8XXX_CRB_DEV_STATE
) ==
8293 QLA8XXX_DEV_READY
)) {
8294 clear_bit(AF_FW_RECOVERY
, &ha
->flags
);
8295 rval
= qla4xxx_initialize_adapter(ha
, RESET_ADAPTER
);
8296 if (rval
== QLA_SUCCESS
)
8297 ha
->isp_ops
->enable_intrs(ha
);
8299 ha
->isp_ops
->idc_lock(ha
);
8300 qla4_8xxx_set_drv_active(ha
);
8301 ha
->isp_ops
->idc_unlock(ha
);
8304 exit_error_recovery
:
8305 clear_bit(DPC_RESET_ACTIVE
, &ha
->dpc_flags
);
8309 static pci_ers_result_t
8310 qla4xxx_pci_slot_reset(struct pci_dev
*pdev
)
8312 pci_ers_result_t ret
= PCI_ERS_RESULT_DISCONNECT
;
8313 struct scsi_qla_host
*ha
= pci_get_drvdata(pdev
);
8316 ql4_printk(KERN_WARNING
, ha
, "scsi%ld: %s: slot_reset\n",
8317 ha
->host_no
, __func__
);
8319 if (!is_aer_supported(ha
))
8320 return PCI_ERS_RESULT_NONE
;
8322 /* Restore the saved state of PCIe device -
8323 * BAR registers, PCI Config space, PCIX, MSI,
8326 pci_restore_state(pdev
);
8328 /* pci_restore_state() clears the saved_state flag of the device
8329 * save restored state which resets saved_state flag
8331 pci_save_state(pdev
);
8333 /* Initialize device or resume if in suspended state */
8334 rc
= pci_enable_device(pdev
);
8336 ql4_printk(KERN_WARNING
, ha
, "scsi%ld: %s: Can't re-enable "
8337 "device after reset\n", ha
->host_no
, __func__
);
8338 goto exit_slot_reset
;
8341 ha
->isp_ops
->disable_intrs(ha
);
8343 if (is_qla80XX(ha
)) {
8344 if (qla4_8xxx_error_recovery(ha
) == QLA_SUCCESS
) {
8345 ret
= PCI_ERS_RESULT_RECOVERED
;
8346 goto exit_slot_reset
;
8348 goto exit_slot_reset
;
8352 ql4_printk(KERN_WARNING
, ha
, "scsi%ld: %s: Return=%x\n"
8353 "device after reset\n", ha
->host_no
, __func__
, ret
);
8358 qla4xxx_pci_resume(struct pci_dev
*pdev
)
8360 struct scsi_qla_host
*ha
= pci_get_drvdata(pdev
);
8363 ql4_printk(KERN_WARNING
, ha
, "scsi%ld: %s: pci_resume\n",
8364 ha
->host_no
, __func__
);
8366 ret
= qla4xxx_wait_for_hba_online(ha
);
8367 if (ret
!= QLA_SUCCESS
) {
8368 ql4_printk(KERN_ERR
, ha
, "scsi%ld: %s: the device failed to "
8369 "resume I/O from slot/link_reset\n", ha
->host_no
,
8373 pci_cleanup_aer_uncorrect_error_status(pdev
);
8374 clear_bit(AF_EEH_BUSY
, &ha
->flags
);
8377 static const struct pci_error_handlers qla4xxx_err_handler
= {
8378 .error_detected
= qla4xxx_pci_error_detected
,
8379 .mmio_enabled
= qla4xxx_pci_mmio_enabled
,
8380 .slot_reset
= qla4xxx_pci_slot_reset
,
8381 .resume
= qla4xxx_pci_resume
,
8384 static struct pci_device_id qla4xxx_pci_tbl
[] = {
8386 .vendor
= PCI_VENDOR_ID_QLOGIC
,
8387 .device
= PCI_DEVICE_ID_QLOGIC_ISP4010
,
8388 .subvendor
= PCI_ANY_ID
,
8389 .subdevice
= PCI_ANY_ID
,
8392 .vendor
= PCI_VENDOR_ID_QLOGIC
,
8393 .device
= PCI_DEVICE_ID_QLOGIC_ISP4022
,
8394 .subvendor
= PCI_ANY_ID
,
8395 .subdevice
= PCI_ANY_ID
,
8398 .vendor
= PCI_VENDOR_ID_QLOGIC
,
8399 .device
= PCI_DEVICE_ID_QLOGIC_ISP4032
,
8400 .subvendor
= PCI_ANY_ID
,
8401 .subdevice
= PCI_ANY_ID
,
8404 .vendor
= PCI_VENDOR_ID_QLOGIC
,
8405 .device
= PCI_DEVICE_ID_QLOGIC_ISP8022
,
8406 .subvendor
= PCI_ANY_ID
,
8407 .subdevice
= PCI_ANY_ID
,
8410 .vendor
= PCI_VENDOR_ID_QLOGIC
,
8411 .device
= PCI_DEVICE_ID_QLOGIC_ISP8324
,
8412 .subvendor
= PCI_ANY_ID
,
8413 .subdevice
= PCI_ANY_ID
,
8416 .vendor
= PCI_VENDOR_ID_QLOGIC
,
8417 .device
= PCI_DEVICE_ID_QLOGIC_ISP8042
,
8418 .subvendor
= PCI_ANY_ID
,
8419 .subdevice
= PCI_ANY_ID
,
8423 MODULE_DEVICE_TABLE(pci
, qla4xxx_pci_tbl
);
8425 static struct pci_driver qla4xxx_pci_driver
= {
8426 .name
= DRIVER_NAME
,
8427 .id_table
= qla4xxx_pci_tbl
,
8428 .probe
= qla4xxx_probe_adapter
,
8429 .remove
= qla4xxx_remove_adapter
,
8430 .err_handler
= &qla4xxx_err_handler
,
8433 static int __init
qla4xxx_module_init(void)
8437 /* Allocate cache for SRBs. */
8438 srb_cachep
= kmem_cache_create("qla4xxx_srbs", sizeof(struct srb
), 0,
8439 SLAB_HWCACHE_ALIGN
, NULL
);
8440 if (srb_cachep
== NULL
) {
8442 "%s: Unable to allocate SRB cache..."
8443 "Failing load!\n", DRIVER_NAME
);
8448 /* Derive version string. */
8449 strcpy(qla4xxx_version_str
, QLA4XXX_DRIVER_VERSION
);
8450 if (ql4xextended_error_logging
)
8451 strcat(qla4xxx_version_str
, "-debug");
8453 qla4xxx_scsi_transport
=
8454 iscsi_register_transport(&qla4xxx_iscsi_transport
);
8455 if (!qla4xxx_scsi_transport
){
8457 goto release_srb_cache
;
8460 ret
= pci_register_driver(&qla4xxx_pci_driver
);
8462 goto unregister_transport
;
8464 printk(KERN_INFO
"QLogic iSCSI HBA Driver\n");
8467 unregister_transport
:
8468 iscsi_unregister_transport(&qla4xxx_iscsi_transport
);
8470 kmem_cache_destroy(srb_cachep
);
8475 static void __exit
qla4xxx_module_exit(void)
8477 pci_unregister_driver(&qla4xxx_pci_driver
);
8478 iscsi_unregister_transport(&qla4xxx_iscsi_transport
);
8479 kmem_cache_destroy(srb_cachep
);
8482 module_init(qla4xxx_module_init
);
8483 module_exit(qla4xxx_module_exit
);
8485 MODULE_AUTHOR("QLogic Corporation");
8486 MODULE_DESCRIPTION("QLogic iSCSI HBA Driver");
8487 MODULE_LICENSE("GPL");
8488 MODULE_VERSION(QLA4XXX_DRIVER_VERSION
);