Commit | Line | Data |
---|---|---|
2c3dfe3f | 1 | /* |
01e58d8e | 2 | * QLogic Fibre Channel HBA Driver |
07e264b7 | 3 | * Copyright (c) 2003-2011 QLogic Corporation |
2c3dfe3f | 4 | * |
01e58d8e | 5 | * See LICENSE.qla2xxx for copyright and licensing details. |
2c3dfe3f SJ |
6 | */ |
7 | #include "qla_def.h" | |
7b867cf7 | 8 | #include "qla_gbl.h" |
2c3dfe3f | 9 | |
2c3dfe3f SJ |
10 | #include <linux/moduleparam.h> |
11 | #include <linux/vmalloc.h> | |
5a0e3ad6 | 12 | #include <linux/slab.h> |
2c3dfe3f SJ |
13 | #include <linux/list.h> |
14 | ||
15 | #include <scsi/scsi_tcq.h> | |
16 | #include <scsi/scsicam.h> | |
17 | #include <linux/delay.h> | |
18 | ||
2c3dfe3f SJ |
19 | void |
20 | qla2x00_vp_stop_timer(scsi_qla_host_t *vha) | |
21 | { | |
7b867cf7 | 22 | if (vha->vp_idx && vha->timer_active) { |
2c3dfe3f SJ |
23 | del_timer_sync(&vha->timer); |
24 | vha->timer_active = 0; | |
25 | } | |
26 | } | |
27 | ||
a824ebb3 | 28 | static uint32_t |
2c3dfe3f SJ |
29 | qla24xx_allocate_vp_id(scsi_qla_host_t *vha) |
30 | { | |
31 | uint32_t vp_id; | |
7b867cf7 | 32 | struct qla_hw_data *ha = vha->hw; |
feafb7b1 | 33 | unsigned long flags; |
2c3dfe3f SJ |
34 | |
35 | /* Find an empty slot and assign an vp_id */ | |
6c2f527c | 36 | mutex_lock(&ha->vport_lock); |
eb66dc60 AV |
37 | vp_id = find_first_zero_bit(ha->vp_idx_map, ha->max_npiv_vports + 1); |
38 | if (vp_id > ha->max_npiv_vports) { | |
7c3df132 SK |
39 | ql_dbg(ql_dbg_vport, vha, 0xa000, |
40 | "vp_id %d is bigger than max-supported %d.\n", | |
41 | vp_id, ha->max_npiv_vports); | |
6c2f527c | 42 | mutex_unlock(&ha->vport_lock); |
2c3dfe3f SJ |
43 | return vp_id; |
44 | } | |
45 | ||
eb66dc60 | 46 | set_bit(vp_id, ha->vp_idx_map); |
2c3dfe3f SJ |
47 | ha->num_vhosts++; |
48 | vha->vp_idx = vp_id; | |
feafb7b1 AE |
49 | |
50 | spin_lock_irqsave(&ha->vport_slock, flags); | |
7b867cf7 | 51 | list_add_tail(&vha->list, &ha->vp_list); |
feafb7b1 AE |
52 | spin_unlock_irqrestore(&ha->vport_slock, flags); |
53 | ||
6c2f527c | 54 | mutex_unlock(&ha->vport_lock); |
2c3dfe3f SJ |
55 | return vp_id; |
56 | } | |
57 | ||
58 | void | |
59 | qla24xx_deallocate_vp_id(scsi_qla_host_t *vha) | |
60 | { | |
61 | uint16_t vp_id; | |
7b867cf7 | 62 | struct qla_hw_data *ha = vha->hw; |
feafb7b1 | 63 | unsigned long flags = 0; |
2c3dfe3f | 64 | |
6c2f527c | 65 | mutex_lock(&ha->vport_lock); |
feafb7b1 AE |
66 | /* |
67 | * Wait for all pending activities to finish before removing vport from | |
68 | * the list. | |
69 | * Lock needs to be held for safe removal from the list (it | |
70 | * ensures no active vp_list traversal while the vport is removed | |
71 | * from the queue) | |
72 | */ | |
73 | spin_lock_irqsave(&ha->vport_slock, flags); | |
74 | while (atomic_read(&vha->vref_count)) { | |
75 | spin_unlock_irqrestore(&ha->vport_slock, flags); | |
76 | ||
77 | msleep(500); | |
78 | ||
79 | spin_lock_irqsave(&ha->vport_slock, flags); | |
80 | } | |
81 | list_del(&vha->list); | |
82 | spin_unlock_irqrestore(&ha->vport_slock, flags); | |
83 | ||
2c3dfe3f SJ |
84 | vp_id = vha->vp_idx; |
85 | ha->num_vhosts--; | |
eb66dc60 | 86 | clear_bit(vp_id, ha->vp_idx_map); |
feafb7b1 | 87 | |
6c2f527c | 88 | mutex_unlock(&ha->vport_lock); |
2c3dfe3f SJ |
89 | } |
90 | ||
a824ebb3 | 91 | static scsi_qla_host_t * |
7b867cf7 | 92 | qla24xx_find_vhost_by_name(struct qla_hw_data *ha, uint8_t *port_name) |
2c3dfe3f SJ |
93 | { |
94 | scsi_qla_host_t *vha; | |
ee546b6e | 95 | struct scsi_qla_host *tvha; |
feafb7b1 | 96 | unsigned long flags; |
2c3dfe3f | 97 | |
feafb7b1 | 98 | spin_lock_irqsave(&ha->vport_slock, flags); |
2c3dfe3f | 99 | /* Locate matching device in database. */ |
ee546b6e | 100 | list_for_each_entry_safe(vha, tvha, &ha->vp_list, list) { |
feafb7b1 AE |
101 | if (!memcmp(port_name, vha->port_name, WWN_SIZE)) { |
102 | spin_unlock_irqrestore(&ha->vport_slock, flags); | |
2c3dfe3f | 103 | return vha; |
feafb7b1 | 104 | } |
2c3dfe3f | 105 | } |
feafb7b1 | 106 | spin_unlock_irqrestore(&ha->vport_slock, flags); |
2c3dfe3f SJ |
107 | return NULL; |
108 | } | |
109 | ||
110 | /* | |
111 | * qla2x00_mark_vp_devices_dead | |
112 | * Updates fcport state when device goes offline. | |
113 | * | |
114 | * Input: | |
115 | * ha = adapter block pointer. | |
116 | * fcport = port structure pointer. | |
117 | * | |
118 | * Return: | |
119 | * None. | |
120 | * | |
121 | * Context: | |
122 | */ | |
26ff776d | 123 | static void |
2c3dfe3f SJ |
124 | qla2x00_mark_vp_devices_dead(scsi_qla_host_t *vha) |
125 | { | |
feafb7b1 AE |
126 | /* |
127 | * !!! NOTE !!! | |
128 | * This function, if called in contexts other than vp create, disable | |
129 | * or delete, please make sure this is synchronized with the | |
130 | * delete thread. | |
131 | */ | |
2c3dfe3f | 132 | fc_port_t *fcport; |
2c3dfe3f | 133 | |
7b867cf7 | 134 | list_for_each_entry(fcport, &vha->vp_fcports, list) { |
7c3df132 SK |
135 | ql_dbg(ql_dbg_vport, vha, 0xa001, |
136 | "Marking port dead, loop_id=0x%04x : %x.\n", | |
c6d39e23 | 137 | fcport->loop_id, fcport->vha->vp_idx); |
2c3dfe3f | 138 | |
2c3dfe3f | 139 | qla2x00_mark_device_lost(vha, fcport, 0, 0); |
ec426e10 | 140 | qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED); |
2c3dfe3f SJ |
141 | } |
142 | } | |
143 | ||
144 | int | |
145 | qla24xx_disable_vp(scsi_qla_host_t *vha) | |
146 | { | |
147 | int ret; | |
148 | ||
149 | ret = qla24xx_control_vp(vha, VCE_COMMAND_DISABLE_VPS_LOGO_ALL); | |
150 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
151 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
152 | ||
2c3dfe3f SJ |
153 | qla2x00_mark_vp_devices_dead(vha); |
154 | atomic_set(&vha->vp_state, VP_FAILED); | |
155 | vha->flags.management_server_logged_in = 0; | |
156 | if (ret == QLA_SUCCESS) { | |
157 | fc_vport_set_state(vha->fc_vport, FC_VPORT_DISABLED); | |
158 | } else { | |
159 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
160 | return -1; | |
161 | } | |
162 | return 0; | |
163 | } | |
164 | ||
165 | int | |
166 | qla24xx_enable_vp(scsi_qla_host_t *vha) | |
167 | { | |
168 | int ret; | |
7b867cf7 AC |
169 | struct qla_hw_data *ha = vha->hw; |
170 | scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); | |
2c3dfe3f SJ |
171 | |
172 | /* Check if physical ha port is Up */ | |
7b867cf7 | 173 | if (atomic_read(&base_vha->loop_state) == LOOP_DOWN || |
3f3b6f98 LC |
174 | atomic_read(&base_vha->loop_state) == LOOP_DEAD || |
175 | !(ha->current_topology & ISP_CFG_F)) { | |
2c3dfe3f SJ |
176 | vha->vp_err_state = VP_ERR_PORTDWN; |
177 | fc_vport_set_state(vha->fc_vport, FC_VPORT_LINKDOWN); | |
178 | goto enable_failed; | |
179 | } | |
180 | ||
181 | /* Initialize the new vport unless it is a persistent port */ | |
6c2f527c | 182 | mutex_lock(&ha->vport_lock); |
2c3dfe3f | 183 | ret = qla24xx_modify_vp_config(vha); |
6c2f527c | 184 | mutex_unlock(&ha->vport_lock); |
2c3dfe3f SJ |
185 | |
186 | if (ret != QLA_SUCCESS) { | |
187 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
188 | goto enable_failed; | |
189 | } | |
190 | ||
7c3df132 SK |
191 | ql_dbg(ql_dbg_taskm, vha, 0x801a, |
192 | "Virtual port with id: %d - Enabled.\n", vha->vp_idx); | |
2c3dfe3f SJ |
193 | return 0; |
194 | ||
195 | enable_failed: | |
7c3df132 SK |
196 | ql_dbg(ql_dbg_taskm, vha, 0x801b, |
197 | "Virtual port with id: %d - Disabled.\n", vha->vp_idx); | |
2c3dfe3f SJ |
198 | return 1; |
199 | } | |
200 | ||
26ff776d | 201 | static void |
2c3dfe3f SJ |
202 | qla24xx_configure_vp(scsi_qla_host_t *vha) |
203 | { | |
204 | struct fc_vport *fc_vport; | |
205 | int ret; | |
206 | ||
207 | fc_vport = vha->fc_vport; | |
208 | ||
7c3df132 SK |
209 | ql_dbg(ql_dbg_vport, vha, 0xa002, |
210 | "%s: change request #3.\n", __func__); | |
2c3dfe3f SJ |
211 | ret = qla2x00_send_change_request(vha, 0x3, vha->vp_idx); |
212 | if (ret != QLA_SUCCESS) { | |
7c3df132 SK |
213 | ql_dbg(ql_dbg_vport, vha, 0xa003, "Failed to enable " |
214 | "receiving of RSCN requests: 0x%x.\n", ret); | |
2c3dfe3f SJ |
215 | return; |
216 | } else { | |
217 | /* Corresponds to SCR enabled */ | |
218 | clear_bit(VP_SCR_NEEDED, &vha->vp_flags); | |
219 | } | |
220 | ||
221 | vha->flags.online = 1; | |
222 | if (qla24xx_configure_vhba(vha)) | |
223 | return; | |
224 | ||
225 | atomic_set(&vha->vp_state, VP_ACTIVE); | |
226 | fc_vport_set_state(fc_vport, FC_VPORT_ACTIVE); | |
227 | } | |
228 | ||
229 | void | |
73208dfd | 230 | qla2x00_alert_all_vps(struct rsp_que *rsp, uint16_t *mb) |
2c3dfe3f | 231 | { |
feafb7b1 | 232 | scsi_qla_host_t *vha; |
73208dfd | 233 | struct qla_hw_data *ha = rsp->hw; |
7b867cf7 | 234 | int i = 0; |
feafb7b1 | 235 | unsigned long flags; |
2c3dfe3f | 236 | |
feafb7b1 AE |
237 | spin_lock_irqsave(&ha->vport_slock, flags); |
238 | list_for_each_entry(vha, &ha->vp_list, list) { | |
7b867cf7 | 239 | if (vha->vp_idx) { |
feafb7b1 AE |
240 | atomic_inc(&vha->vref_count); |
241 | spin_unlock_irqrestore(&ha->vport_slock, flags); | |
242 | ||
2c3dfe3f SJ |
243 | switch (mb[0]) { |
244 | case MBA_LIP_OCCURRED: | |
245 | case MBA_LOOP_UP: | |
246 | case MBA_LOOP_DOWN: | |
247 | case MBA_LIP_RESET: | |
248 | case MBA_POINT_TO_POINT: | |
249 | case MBA_CHG_IN_CONNECTION: | |
250 | case MBA_PORT_UPDATE: | |
251 | case MBA_RSCN_UPDATE: | |
7c3df132 SK |
252 | ql_dbg(ql_dbg_async, vha, 0x5024, |
253 | "Async_event for VP[%d], mb=0x%x vha=%p.\n", | |
254 | i, *mb, vha); | |
73208dfd | 255 | qla2x00_async_event(vha, rsp, mb); |
2c3dfe3f SJ |
256 | break; |
257 | } | |
feafb7b1 AE |
258 | |
259 | spin_lock_irqsave(&ha->vport_slock, flags); | |
260 | atomic_dec(&vha->vref_count); | |
2c3dfe3f | 261 | } |
7b867cf7 | 262 | i++; |
2c3dfe3f | 263 | } |
feafb7b1 | 264 | spin_unlock_irqrestore(&ha->vport_slock, flags); |
2c3dfe3f SJ |
265 | } |
266 | ||
7b867cf7 | 267 | int |
2c3dfe3f SJ |
268 | qla2x00_vp_abort_isp(scsi_qla_host_t *vha) |
269 | { | |
270 | /* | |
271 | * Physical port will do most of the abort and recovery work. We can | |
272 | * just treat it as a loop down | |
273 | */ | |
274 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { | |
275 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
276 | qla2x00_mark_all_devices_lost(vha, 0); | |
277 | } else { | |
278 | if (!atomic_read(&vha->loop_down_timer)) | |
279 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
280 | } | |
281 | ||
0d6e61bc AV |
282 | /* |
283 | * To exclusively reset vport, we need to log it out first. Note: this | |
284 | * control_vp can fail if ISP reset is already issued, this is | |
285 | * expected, as the vp would be already logged out due to ISP reset. | |
286 | */ | |
7b867cf7 AC |
287 | if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) |
288 | qla24xx_control_vp(vha, VCE_COMMAND_DISABLE_VPS_LOGO_ALL); | |
289 | ||
7c3df132 SK |
290 | ql_dbg(ql_dbg_taskm, vha, 0x801d, |
291 | "Scheduling enable of Vport %d.\n", vha->vp_idx); | |
7b867cf7 | 292 | return qla24xx_enable_vp(vha); |
2c3dfe3f SJ |
293 | } |
294 | ||
a824ebb3 | 295 | static int |
2c3dfe3f SJ |
296 | qla2x00_do_dpc_vp(scsi_qla_host_t *vha) |
297 | { | |
5f28d2d7 SK |
298 | ql_dbg(ql_dbg_dpc + ql_dbg_verbose, vha, 0x4012, |
299 | "Entering %s vp_flags: 0x%lx.\n", __func__, vha->vp_flags); | |
7c3df132 | 300 | |
ac280b67 AV |
301 | qla2x00_do_work(vha); |
302 | ||
2c3dfe3f SJ |
303 | if (test_and_clear_bit(VP_IDX_ACQUIRED, &vha->vp_flags)) { |
304 | /* VP acquired. complete port configuration */ | |
7c3df132 SK |
305 | ql_dbg(ql_dbg_dpc, vha, 0x4014, |
306 | "Configure VP scheduled.\n"); | |
0d6e61bc | 307 | qla24xx_configure_vp(vha); |
7c3df132 SK |
308 | ql_dbg(ql_dbg_dpc, vha, 0x4015, |
309 | "Configure VP end.\n"); | |
2c3dfe3f SJ |
310 | return 0; |
311 | } | |
312 | ||
7b867cf7 | 313 | if (test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags)) { |
7c3df132 SK |
314 | ql_dbg(ql_dbg_dpc, vha, 0x4016, |
315 | "FCPort update scheduled.\n"); | |
7b867cf7 AC |
316 | qla2x00_update_fcports(vha); |
317 | clear_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags); | |
7c3df132 SK |
318 | ql_dbg(ql_dbg_dpc, vha, 0x4017, |
319 | "FCPort update end.\n"); | |
7b867cf7 AC |
320 | } |
321 | ||
322 | if ((test_and_clear_bit(RELOGIN_NEEDED, &vha->dpc_flags)) && | |
323 | !test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) && | |
324 | atomic_read(&vha->loop_state) != LOOP_DOWN) { | |
325 | ||
7c3df132 SK |
326 | ql_dbg(ql_dbg_dpc, vha, 0x4018, |
327 | "Relogin needed scheduled.\n"); | |
7b867cf7 | 328 | qla2x00_relogin(vha); |
7c3df132 SK |
329 | ql_dbg(ql_dbg_dpc, vha, 0x4019, |
330 | "Relogin needed end.\n"); | |
7b867cf7 | 331 | } |
2c3dfe3f SJ |
332 | |
333 | if (test_and_clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) && | |
334 | (!(test_and_set_bit(RESET_ACTIVE, &vha->dpc_flags)))) { | |
335 | clear_bit(RESET_ACTIVE, &vha->dpc_flags); | |
336 | } | |
337 | ||
73208dfd | 338 | if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) { |
2c3dfe3f | 339 | if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags))) { |
7c3df132 SK |
340 | ql_dbg(ql_dbg_dpc, vha, 0x401a, |
341 | "Loop resync scheduled.\n"); | |
2c3dfe3f SJ |
342 | qla2x00_loop_resync(vha); |
343 | clear_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags); | |
7c3df132 SK |
344 | ql_dbg(ql_dbg_dpc, vha, 0x401b, |
345 | "Loop resync end.\n"); | |
2c3dfe3f SJ |
346 | } |
347 | } | |
348 | ||
5f28d2d7 | 349 | ql_dbg(ql_dbg_dpc + ql_dbg_verbose, vha, 0x401c, |
7c3df132 | 350 | "Exiting %s.\n", __func__); |
2c3dfe3f SJ |
351 | return 0; |
352 | } | |
353 | ||
354 | void | |
7b867cf7 | 355 | qla2x00_do_dpc_all_vps(scsi_qla_host_t *vha) |
2c3dfe3f SJ |
356 | { |
357 | int ret; | |
7b867cf7 AC |
358 | struct qla_hw_data *ha = vha->hw; |
359 | scsi_qla_host_t *vp; | |
feafb7b1 | 360 | unsigned long flags = 0; |
2c3dfe3f | 361 | |
7b867cf7 | 362 | if (vha->vp_idx) |
2c3dfe3f SJ |
363 | return; |
364 | if (list_empty(&ha->vp_list)) | |
365 | return; | |
366 | ||
7b867cf7 | 367 | clear_bit(VP_DPC_NEEDED, &vha->dpc_flags); |
2c3dfe3f | 368 | |
0d6e61bc AV |
369 | if (!(ha->current_topology & ISP_CFG_F)) |
370 | return; | |
371 | ||
feafb7b1 AE |
372 | spin_lock_irqsave(&ha->vport_slock, flags); |
373 | list_for_each_entry(vp, &ha->vp_list, list) { | |
374 | if (vp->vp_idx) { | |
375 | atomic_inc(&vp->vref_count); | |
376 | spin_unlock_irqrestore(&ha->vport_slock, flags); | |
377 | ||
7b867cf7 | 378 | ret = qla2x00_do_dpc_vp(vp); |
feafb7b1 AE |
379 | |
380 | spin_lock_irqsave(&ha->vport_slock, flags); | |
381 | atomic_dec(&vp->vref_count); | |
382 | } | |
2c3dfe3f | 383 | } |
feafb7b1 | 384 | spin_unlock_irqrestore(&ha->vport_slock, flags); |
2c3dfe3f SJ |
385 | } |
386 | ||
387 | int | |
388 | qla24xx_vport_create_req_sanity_check(struct fc_vport *fc_vport) | |
389 | { | |
7b867cf7 AC |
390 | scsi_qla_host_t *base_vha = shost_priv(fc_vport->shost); |
391 | struct qla_hw_data *ha = base_vha->hw; | |
2c3dfe3f SJ |
392 | scsi_qla_host_t *vha; |
393 | uint8_t port_name[WWN_SIZE]; | |
394 | ||
395 | if (fc_vport->roles != FC_PORT_ROLE_FCP_INITIATOR) | |
396 | return VPCERR_UNSUPPORTED; | |
397 | ||
398 | /* Check up the F/W and H/W support NPIV */ | |
399 | if (!ha->flags.npiv_supported) | |
400 | return VPCERR_UNSUPPORTED; | |
401 | ||
402 | /* Check up whether npiv supported switch presented */ | |
403 | if (!(ha->switch_cap & FLOGI_MID_SUPPORT)) | |
404 | return VPCERR_NO_FABRIC_SUPP; | |
405 | ||
406 | /* Check up unique WWPN */ | |
407 | u64_to_wwn(fc_vport->port_name, port_name); | |
7b867cf7 | 408 | if (!memcmp(port_name, base_vha->port_name, WWN_SIZE)) |
50db6b13 | 409 | return VPCERR_BAD_WWN; |
2c3dfe3f SJ |
410 | vha = qla24xx_find_vhost_by_name(ha, port_name); |
411 | if (vha) | |
412 | return VPCERR_BAD_WWN; | |
413 | ||
414 | /* Check up max-npiv-supports */ | |
415 | if (ha->num_vhosts > ha->max_npiv_vports) { | |
7c3df132 SK |
416 | ql_dbg(ql_dbg_vport, vha, 0xa004, |
417 | "num_vhosts %ud is bigger " | |
418 | "than max_npiv_vports %ud.\n", | |
419 | ha->num_vhosts, ha->max_npiv_vports); | |
2c3dfe3f SJ |
420 | return VPCERR_UNSUPPORTED; |
421 | } | |
422 | return 0; | |
423 | } | |
424 | ||
425 | scsi_qla_host_t * | |
426 | qla24xx_create_vhost(struct fc_vport *fc_vport) | |
427 | { | |
7b867cf7 AC |
428 | scsi_qla_host_t *base_vha = shost_priv(fc_vport->shost); |
429 | struct qla_hw_data *ha = base_vha->hw; | |
2c3dfe3f | 430 | scsi_qla_host_t *vha; |
a5326f86 | 431 | struct scsi_host_template *sht = &qla2xxx_driver_template; |
2c3dfe3f SJ |
432 | struct Scsi_Host *host; |
433 | ||
7b867cf7 AC |
434 | vha = qla2x00_create_host(sht, ha); |
435 | if (!vha) { | |
7c3df132 SK |
436 | ql_log(ql_log_warn, vha, 0xa005, |
437 | "scsi_host_alloc() failed for vport.\n"); | |
2c3dfe3f SJ |
438 | return(NULL); |
439 | } | |
440 | ||
7b867cf7 | 441 | host = vha->host; |
2c3dfe3f | 442 | fc_vport->dd_data = vha; |
2c3dfe3f SJ |
443 | /* New host info */ |
444 | u64_to_wwn(fc_vport->node_name, vha->node_name); | |
445 | u64_to_wwn(fc_vport->port_name, vha->port_name); | |
446 | ||
2c3dfe3f SJ |
447 | vha->fc_vport = fc_vport; |
448 | vha->device_flags = 0; | |
2c3dfe3f SJ |
449 | vha->vp_idx = qla24xx_allocate_vp_id(vha); |
450 | if (vha->vp_idx > ha->max_npiv_vports) { | |
7c3df132 SK |
451 | ql_dbg(ql_dbg_vport, vha, 0xa006, |
452 | "Couldn't allocate vp_id.\n"); | |
7b867cf7 | 453 | goto create_vhost_failed; |
2c3dfe3f SJ |
454 | } |
455 | vha->mgmt_svr_loop_id = 10 + vha->vp_idx; | |
456 | ||
2c3dfe3f | 457 | vha->dpc_flags = 0L; |
2c3dfe3f SJ |
458 | |
459 | /* | |
460 | * To fix the issue of processing a parent's RSCN for the vport before | |
461 | * its SCR is complete. | |
462 | */ | |
463 | set_bit(VP_SCR_NEEDED, &vha->vp_flags); | |
464 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
465 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
466 | ||
467 | qla2x00_start_timer(vha, qla2x00_timer, WATCH_INTERVAL); | |
468 | ||
2afa19a9 AC |
469 | vha->req = base_vha->req; |
470 | host->can_queue = base_vha->req->length + 128; | |
2c3dfe3f SJ |
471 | host->this_id = 255; |
472 | host->cmd_per_lun = 3; | |
e02587d7 | 473 | if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) |
0c470874 AE |
474 | host->max_cmd_len = 32; |
475 | else | |
476 | host->max_cmd_len = MAX_CMDSZ; | |
2c3dfe3f | 477 | host->max_channel = MAX_BUSES - 1; |
82515920 | 478 | host->max_lun = ql2xmaxlun; |
711c1d91 | 479 | host->unique_id = host->host_no; |
642ef983 | 480 | host->max_id = ha->max_fibre_devices; |
2c3dfe3f SJ |
481 | host->transportt = qla2xxx_transport_vport_template; |
482 | ||
7c3df132 SK |
483 | ql_dbg(ql_dbg_vport, vha, 0xa007, |
484 | "Detect vport hba %ld at address = %p.\n", | |
485 | vha->host_no, vha); | |
2c3dfe3f SJ |
486 | |
487 | vha->flags.init_done = 1; | |
2c3dfe3f | 488 | |
0d6e61bc AV |
489 | mutex_lock(&ha->vport_lock); |
490 | set_bit(vha->vp_idx, ha->vp_idx_map); | |
491 | ha->cur_vport_count++; | |
492 | mutex_unlock(&ha->vport_lock); | |
493 | ||
2c3dfe3f SJ |
494 | return vha; |
495 | ||
7b867cf7 | 496 | create_vhost_failed: |
2c3dfe3f SJ |
497 | return NULL; |
498 | } | |
73208dfd AC |
499 | |
500 | static void | |
501 | qla25xx_free_req_que(struct scsi_qla_host *vha, struct req_que *req) | |
502 | { | |
503 | struct qla_hw_data *ha = vha->hw; | |
504 | uint16_t que_id = req->id; | |
505 | ||
506 | dma_free_coherent(&ha->pdev->dev, (req->length + 1) * | |
507 | sizeof(request_t), req->ring, req->dma); | |
508 | req->ring = NULL; | |
509 | req->dma = 0; | |
510 | if (que_id) { | |
511 | ha->req_q_map[que_id] = NULL; | |
512 | mutex_lock(&ha->vport_lock); | |
513 | clear_bit(que_id, ha->req_qid_map); | |
514 | mutex_unlock(&ha->vport_lock); | |
515 | } | |
516 | kfree(req); | |
517 | req = NULL; | |
518 | } | |
519 | ||
520 | static void | |
521 | qla25xx_free_rsp_que(struct scsi_qla_host *vha, struct rsp_que *rsp) | |
522 | { | |
523 | struct qla_hw_data *ha = vha->hw; | |
524 | uint16_t que_id = rsp->id; | |
525 | ||
526 | if (rsp->msix && rsp->msix->have_irq) { | |
527 | free_irq(rsp->msix->vector, rsp); | |
528 | rsp->msix->have_irq = 0; | |
529 | rsp->msix->rsp = NULL; | |
530 | } | |
531 | dma_free_coherent(&ha->pdev->dev, (rsp->length + 1) * | |
532 | sizeof(response_t), rsp->ring, rsp->dma); | |
533 | rsp->ring = NULL; | |
534 | rsp->dma = 0; | |
535 | if (que_id) { | |
536 | ha->rsp_q_map[que_id] = NULL; | |
537 | mutex_lock(&ha->vport_lock); | |
538 | clear_bit(que_id, ha->rsp_qid_map); | |
539 | mutex_unlock(&ha->vport_lock); | |
540 | } | |
541 | kfree(rsp); | |
542 | rsp = NULL; | |
543 | } | |
544 | ||
545 | int | |
546 | qla25xx_delete_req_que(struct scsi_qla_host *vha, struct req_que *req) | |
547 | { | |
548 | int ret = -1; | |
549 | ||
550 | if (req) { | |
551 | req->options |= BIT_0; | |
618a7523 | 552 | ret = qla25xx_init_req_que(vha, req); |
73208dfd AC |
553 | } |
554 | if (ret == QLA_SUCCESS) | |
555 | qla25xx_free_req_que(vha, req); | |
556 | ||
557 | return ret; | |
558 | } | |
559 | ||
3dbe756a | 560 | static int |
73208dfd AC |
561 | qla25xx_delete_rsp_que(struct scsi_qla_host *vha, struct rsp_que *rsp) |
562 | { | |
563 | int ret = -1; | |
564 | ||
565 | if (rsp) { | |
566 | rsp->options |= BIT_0; | |
618a7523 | 567 | ret = qla25xx_init_rsp_que(vha, rsp); |
73208dfd AC |
568 | } |
569 | if (ret == QLA_SUCCESS) | |
570 | qla25xx_free_rsp_que(vha, rsp); | |
571 | ||
572 | return ret; | |
573 | } | |
574 | ||
73208dfd AC |
575 | /* Delete all queues for a given vhost */ |
576 | int | |
2afa19a9 | 577 | qla25xx_delete_queues(struct scsi_qla_host *vha) |
73208dfd AC |
578 | { |
579 | int cnt, ret = 0; | |
580 | struct req_que *req = NULL; | |
581 | struct rsp_que *rsp = NULL; | |
582 | struct qla_hw_data *ha = vha->hw; | |
583 | ||
2afa19a9 AC |
584 | /* Delete request queues */ |
585 | for (cnt = 1; cnt < ha->max_req_queues; cnt++) { | |
586 | req = ha->req_q_map[cnt]; | |
73208dfd | 587 | if (req) { |
73208dfd AC |
588 | ret = qla25xx_delete_req_que(vha, req); |
589 | if (ret != QLA_SUCCESS) { | |
7c3df132 SK |
590 | ql_log(ql_log_warn, vha, 0x00ea, |
591 | "Couldn't delete req que %d.\n", | |
592 | req->id); | |
73208dfd AC |
593 | return ret; |
594 | } | |
73208dfd | 595 | } |
2afa19a9 AC |
596 | } |
597 | ||
598 | /* Delete response queues */ | |
599 | for (cnt = 1; cnt < ha->max_rsp_queues; cnt++) { | |
600 | rsp = ha->rsp_q_map[cnt]; | |
601 | if (rsp) { | |
602 | ret = qla25xx_delete_rsp_que(vha, rsp); | |
603 | if (ret != QLA_SUCCESS) { | |
7c3df132 SK |
604 | ql_log(ql_log_warn, vha, 0x00eb, |
605 | "Couldn't delete rsp que %d.\n", | |
606 | rsp->id); | |
2afa19a9 | 607 | return ret; |
73208dfd AC |
608 | } |
609 | } | |
610 | } | |
73208dfd AC |
611 | return ret; |
612 | } | |
613 | ||
614 | int | |
615 | qla25xx_create_req_que(struct qla_hw_data *ha, uint16_t options, | |
2afa19a9 | 616 | uint8_t vp_idx, uint16_t rid, int rsp_que, uint8_t qos) |
73208dfd AC |
617 | { |
618 | int ret = 0; | |
619 | struct req_que *req = NULL; | |
620 | struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev); | |
621 | uint16_t que_id = 0; | |
08029990 | 622 | device_reg_t __iomem *reg; |
2afa19a9 | 623 | uint32_t cnt; |
73208dfd AC |
624 | |
625 | req = kzalloc(sizeof(struct req_que), GFP_KERNEL); | |
626 | if (req == NULL) { | |
7c3df132 SK |
627 | ql_log(ql_log_fatal, base_vha, 0x00d9, |
628 | "Failed to allocate memory for request queue.\n"); | |
c7922a91 | 629 | goto failed; |
73208dfd AC |
630 | } |
631 | ||
632 | req->length = REQUEST_ENTRY_CNT_24XX; | |
633 | req->ring = dma_alloc_coherent(&ha->pdev->dev, | |
634 | (req->length + 1) * sizeof(request_t), | |
635 | &req->dma, GFP_KERNEL); | |
636 | if (req->ring == NULL) { | |
7c3df132 SK |
637 | ql_log(ql_log_fatal, base_vha, 0x00da, |
638 | "Failed to allocte memory for request_ring.\n"); | |
73208dfd AC |
639 | goto que_failed; |
640 | } | |
641 | ||
642 | mutex_lock(&ha->vport_lock); | |
2afa19a9 AC |
643 | que_id = find_first_zero_bit(ha->req_qid_map, ha->max_req_queues); |
644 | if (que_id >= ha->max_req_queues) { | |
73208dfd | 645 | mutex_unlock(&ha->vport_lock); |
7c3df132 SK |
646 | ql_log(ql_log_warn, base_vha, 0x00db, |
647 | "No resources to create additional request queue.\n"); | |
73208dfd AC |
648 | goto que_failed; |
649 | } | |
650 | set_bit(que_id, ha->req_qid_map); | |
651 | ha->req_q_map[que_id] = req; | |
652 | req->rid = rid; | |
653 | req->vp_idx = vp_idx; | |
654 | req->qos = qos; | |
655 | ||
7c3df132 SK |
656 | ql_dbg(ql_dbg_multiq, base_vha, 0xc002, |
657 | "queue_id=%d rid=%d vp_idx=%d qos=%d.\n", | |
658 | que_id, req->rid, req->vp_idx, req->qos); | |
659 | ql_dbg(ql_dbg_init, base_vha, 0x00dc, | |
660 | "queue_id=%d rid=%d vp_idx=%d qos=%d.\n", | |
661 | que_id, req->rid, req->vp_idx, req->qos); | |
2afa19a9 AC |
662 | if (rsp_que < 0) |
663 | req->rsp = NULL; | |
664 | else | |
73208dfd AC |
665 | req->rsp = ha->rsp_q_map[rsp_que]; |
666 | /* Use alternate PCI bus number */ | |
667 | if (MSB(req->rid)) | |
668 | options |= BIT_4; | |
669 | /* Use alternate PCI devfn */ | |
670 | if (LSB(req->rid)) | |
671 | options |= BIT_5; | |
672 | req->options = options; | |
2afa19a9 | 673 | |
7c3df132 SK |
674 | ql_dbg(ql_dbg_multiq, base_vha, 0xc003, |
675 | "options=0x%x.\n", req->options); | |
676 | ql_dbg(ql_dbg_init, base_vha, 0x00dd, | |
677 | "options=0x%x.\n", req->options); | |
2afa19a9 AC |
678 | for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) |
679 | req->outstanding_cmds[cnt] = NULL; | |
680 | req->current_outstanding_cmd = 1; | |
681 | ||
73208dfd AC |
682 | req->ring_ptr = req->ring; |
683 | req->ring_index = 0; | |
684 | req->cnt = req->length; | |
685 | req->id = que_id; | |
08029990 | 686 | reg = ISP_QUE_REG(ha, que_id); |
29bdccbe | 687 | req->max_q_depth = ha->req_q_map[0]->max_q_depth; |
73208dfd | 688 | mutex_unlock(&ha->vport_lock); |
7c3df132 SK |
689 | ql_dbg(ql_dbg_multiq, base_vha, 0xc004, |
690 | "ring_ptr=%p ring_index=%d, " | |
691 | "cnt=%d id=%d max_q_depth=%d.\n", | |
692 | req->ring_ptr, req->ring_index, | |
693 | req->cnt, req->id, req->max_q_depth); | |
694 | ql_dbg(ql_dbg_init, base_vha, 0x00de, | |
695 | "ring_ptr=%p ring_index=%d, " | |
696 | "cnt=%d id=%d max_q_depth=%d.\n", | |
697 | req->ring_ptr, req->ring_index, req->cnt, | |
698 | req->id, req->max_q_depth); | |
73208dfd | 699 | |
618a7523 | 700 | ret = qla25xx_init_req_que(base_vha, req); |
73208dfd | 701 | if (ret != QLA_SUCCESS) { |
7c3df132 SK |
702 | ql_log(ql_log_fatal, base_vha, 0x00df, |
703 | "%s failed.\n", __func__); | |
73208dfd AC |
704 | mutex_lock(&ha->vport_lock); |
705 | clear_bit(que_id, ha->req_qid_map); | |
706 | mutex_unlock(&ha->vport_lock); | |
707 | goto que_failed; | |
708 | } | |
709 | ||
710 | return req->id; | |
711 | ||
712 | que_failed: | |
713 | qla25xx_free_req_que(base_vha, req); | |
c7922a91 | 714 | failed: |
73208dfd AC |
715 | return 0; |
716 | } | |
717 | ||
68ca949c AC |
718 | static void qla_do_work(struct work_struct *work) |
719 | { | |
a67093d4 | 720 | unsigned long flags; |
68ca949c AC |
721 | struct rsp_que *rsp = container_of(work, struct rsp_que, q_work); |
722 | struct scsi_qla_host *vha; | |
a67093d4 | 723 | struct qla_hw_data *ha = rsp->hw; |
68ca949c | 724 | |
a67093d4 AC |
725 | spin_lock_irqsave(&rsp->hw->hardware_lock, flags); |
726 | vha = pci_get_drvdata(ha->pdev); | |
68ca949c | 727 | qla24xx_process_response_queue(vha, rsp); |
a67093d4 | 728 | spin_unlock_irqrestore(&rsp->hw->hardware_lock, flags); |
68ca949c AC |
729 | } |
730 | ||
73208dfd AC |
731 | /* create response queue */ |
732 | int | |
733 | qla25xx_create_rsp_que(struct qla_hw_data *ha, uint16_t options, | |
2afa19a9 | 734 | uint8_t vp_idx, uint16_t rid, int req) |
73208dfd AC |
735 | { |
736 | int ret = 0; | |
737 | struct rsp_que *rsp = NULL; | |
738 | struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev); | |
08029990 AV |
739 | uint16_t que_id = 0; |
740 | device_reg_t __iomem *reg; | |
73208dfd AC |
741 | |
742 | rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL); | |
743 | if (rsp == NULL) { | |
7c3df132 SK |
744 | ql_log(ql_log_warn, base_vha, 0x0066, |
745 | "Failed to allocate memory for response queue.\n"); | |
c7922a91 | 746 | goto failed; |
73208dfd AC |
747 | } |
748 | ||
2afa19a9 | 749 | rsp->length = RESPONSE_ENTRY_CNT_MQ; |
73208dfd AC |
750 | rsp->ring = dma_alloc_coherent(&ha->pdev->dev, |
751 | (rsp->length + 1) * sizeof(response_t), | |
752 | &rsp->dma, GFP_KERNEL); | |
753 | if (rsp->ring == NULL) { | |
7c3df132 SK |
754 | ql_log(ql_log_warn, base_vha, 0x00e1, |
755 | "Failed to allocate memory for response ring.\n"); | |
73208dfd AC |
756 | goto que_failed; |
757 | } | |
758 | ||
759 | mutex_lock(&ha->vport_lock); | |
2afa19a9 AC |
760 | que_id = find_first_zero_bit(ha->rsp_qid_map, ha->max_rsp_queues); |
761 | if (que_id >= ha->max_rsp_queues) { | |
73208dfd | 762 | mutex_unlock(&ha->vport_lock); |
7c3df132 SK |
763 | ql_log(ql_log_warn, base_vha, 0x00e2, |
764 | "No resources to create additional request queue.\n"); | |
73208dfd AC |
765 | goto que_failed; |
766 | } | |
767 | set_bit(que_id, ha->rsp_qid_map); | |
768 | ||
769 | if (ha->flags.msix_enabled) | |
770 | rsp->msix = &ha->msix_entries[que_id + 1]; | |
771 | else | |
7c3df132 SK |
772 | ql_log(ql_log_warn, base_vha, 0x00e3, |
773 | "MSIX not enalbled.\n"); | |
73208dfd AC |
774 | |
775 | ha->rsp_q_map[que_id] = rsp; | |
776 | rsp->rid = rid; | |
777 | rsp->vp_idx = vp_idx; | |
778 | rsp->hw = ha; | |
7c3df132 SK |
779 | ql_dbg(ql_dbg_init, base_vha, 0x00e4, |
780 | "queue_id=%d rid=%d vp_idx=%d hw=%p.\n", | |
781 | que_id, rsp->rid, rsp->vp_idx, rsp->hw); | |
73208dfd AC |
782 | /* Use alternate PCI bus number */ |
783 | if (MSB(rsp->rid)) | |
784 | options |= BIT_4; | |
785 | /* Use alternate PCI devfn */ | |
786 | if (LSB(rsp->rid)) | |
787 | options |= BIT_5; | |
3155754a AC |
788 | /* Enable MSIX handshake mode on for uncapable adapters */ |
789 | if (!IS_MSIX_NACK_CAPABLE(ha)) | |
790 | options |= BIT_6; | |
791 | ||
73208dfd | 792 | rsp->options = options; |
73208dfd | 793 | rsp->id = que_id; |
08029990 AV |
794 | reg = ISP_QUE_REG(ha, que_id); |
795 | rsp->rsp_q_in = ®->isp25mq.rsp_q_in; | |
796 | rsp->rsp_q_out = ®->isp25mq.rsp_q_out; | |
73208dfd | 797 | mutex_unlock(&ha->vport_lock); |
7c3df132 SK |
798 | ql_dbg(ql_dbg_multiq, base_vha, 0xc00b, |
799 | "options=%x id=%d rsp_q_in=%p rsp_q_out=%p", | |
800 | rsp->options, rsp->id, rsp->rsp_q_in, | |
801 | rsp->rsp_q_out); | |
802 | ql_dbg(ql_dbg_init, base_vha, 0x00e5, | |
803 | "options=%x id=%d rsp_q_in=%p rsp_q_out=%p", | |
804 | rsp->options, rsp->id, rsp->rsp_q_in, | |
805 | rsp->rsp_q_out); | |
73208dfd AC |
806 | |
807 | ret = qla25xx_request_irq(rsp); | |
808 | if (ret) | |
809 | goto que_failed; | |
810 | ||
618a7523 | 811 | ret = qla25xx_init_rsp_que(base_vha, rsp); |
73208dfd | 812 | if (ret != QLA_SUCCESS) { |
7c3df132 SK |
813 | ql_log(ql_log_fatal, base_vha, 0x00e7, |
814 | "%s failed.\n", __func__); | |
73208dfd AC |
815 | mutex_lock(&ha->vport_lock); |
816 | clear_bit(que_id, ha->rsp_qid_map); | |
817 | mutex_unlock(&ha->vport_lock); | |
818 | goto que_failed; | |
819 | } | |
2afa19a9 AC |
820 | if (req >= 0) |
821 | rsp->req = ha->req_q_map[req]; | |
822 | else | |
823 | rsp->req = NULL; | |
73208dfd AC |
824 | |
825 | qla2x00_init_response_q_entries(rsp); | |
68ca949c AC |
826 | if (rsp->hw->wq) |
827 | INIT_WORK(&rsp->q_work, qla_do_work); | |
73208dfd AC |
828 | return rsp->id; |
829 | ||
830 | que_failed: | |
831 | qla25xx_free_rsp_que(base_vha, rsp); | |
c7922a91 | 832 | failed: |
73208dfd AC |
833 | return 0; |
834 | } |