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Commit | Line | Data |
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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", | |
137 | fcport->loop_id, fcport->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 | { | |
7c3df132 SK |
298 | ql_dbg(ql_dbg_dpc, vha, 0x4012, |
299 | "Entering %s.\n", __func__); | |
300 | ql_dbg(ql_dbg_dpc, vha, 0x4013, | |
301 | "vp_flags: 0x%lx.\n", vha->vp_flags); | |
302 | ||
ac280b67 AV |
303 | qla2x00_do_work(vha); |
304 | ||
2c3dfe3f SJ |
305 | if (test_and_clear_bit(VP_IDX_ACQUIRED, &vha->vp_flags)) { |
306 | /* VP acquired. complete port configuration */ | |
7c3df132 SK |
307 | ql_dbg(ql_dbg_dpc, vha, 0x4014, |
308 | "Configure VP scheduled.\n"); | |
0d6e61bc | 309 | qla24xx_configure_vp(vha); |
7c3df132 SK |
310 | ql_dbg(ql_dbg_dpc, vha, 0x4015, |
311 | "Configure VP end.\n"); | |
2c3dfe3f SJ |
312 | return 0; |
313 | } | |
314 | ||
7b867cf7 | 315 | if (test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags)) { |
7c3df132 SK |
316 | ql_dbg(ql_dbg_dpc, vha, 0x4016, |
317 | "FCPort update scheduled.\n"); | |
7b867cf7 AC |
318 | qla2x00_update_fcports(vha); |
319 | clear_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags); | |
7c3df132 SK |
320 | ql_dbg(ql_dbg_dpc, vha, 0x4017, |
321 | "FCPort update end.\n"); | |
7b867cf7 AC |
322 | } |
323 | ||
324 | if ((test_and_clear_bit(RELOGIN_NEEDED, &vha->dpc_flags)) && | |
325 | !test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) && | |
326 | atomic_read(&vha->loop_state) != LOOP_DOWN) { | |
327 | ||
7c3df132 SK |
328 | ql_dbg(ql_dbg_dpc, vha, 0x4018, |
329 | "Relogin needed scheduled.\n"); | |
7b867cf7 | 330 | qla2x00_relogin(vha); |
7c3df132 SK |
331 | ql_dbg(ql_dbg_dpc, vha, 0x4019, |
332 | "Relogin needed end.\n"); | |
7b867cf7 | 333 | } |
2c3dfe3f SJ |
334 | |
335 | if (test_and_clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) && | |
336 | (!(test_and_set_bit(RESET_ACTIVE, &vha->dpc_flags)))) { | |
337 | clear_bit(RESET_ACTIVE, &vha->dpc_flags); | |
338 | } | |
339 | ||
73208dfd | 340 | if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) { |
2c3dfe3f | 341 | if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags))) { |
7c3df132 SK |
342 | ql_dbg(ql_dbg_dpc, vha, 0x401a, |
343 | "Loop resync scheduled.\n"); | |
2c3dfe3f SJ |
344 | qla2x00_loop_resync(vha); |
345 | clear_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags); | |
7c3df132 SK |
346 | ql_dbg(ql_dbg_dpc, vha, 0x401b, |
347 | "Loop resync end.\n"); | |
2c3dfe3f SJ |
348 | } |
349 | } | |
350 | ||
7c3df132 SK |
351 | ql_dbg(ql_dbg_dpc, vha, 0x401c, |
352 | "Exiting %s.\n", __func__); | |
2c3dfe3f SJ |
353 | return 0; |
354 | } | |
355 | ||
356 | void | |
7b867cf7 | 357 | qla2x00_do_dpc_all_vps(scsi_qla_host_t *vha) |
2c3dfe3f SJ |
358 | { |
359 | int ret; | |
7b867cf7 AC |
360 | struct qla_hw_data *ha = vha->hw; |
361 | scsi_qla_host_t *vp; | |
feafb7b1 | 362 | unsigned long flags = 0; |
2c3dfe3f | 363 | |
7b867cf7 | 364 | if (vha->vp_idx) |
2c3dfe3f SJ |
365 | return; |
366 | if (list_empty(&ha->vp_list)) | |
367 | return; | |
368 | ||
7b867cf7 | 369 | clear_bit(VP_DPC_NEEDED, &vha->dpc_flags); |
2c3dfe3f | 370 | |
0d6e61bc AV |
371 | if (!(ha->current_topology & ISP_CFG_F)) |
372 | return; | |
373 | ||
feafb7b1 AE |
374 | spin_lock_irqsave(&ha->vport_slock, flags); |
375 | list_for_each_entry(vp, &ha->vp_list, list) { | |
376 | if (vp->vp_idx) { | |
377 | atomic_inc(&vp->vref_count); | |
378 | spin_unlock_irqrestore(&ha->vport_slock, flags); | |
379 | ||
7b867cf7 | 380 | ret = qla2x00_do_dpc_vp(vp); |
feafb7b1 AE |
381 | |
382 | spin_lock_irqsave(&ha->vport_slock, flags); | |
383 | atomic_dec(&vp->vref_count); | |
384 | } | |
2c3dfe3f | 385 | } |
feafb7b1 | 386 | spin_unlock_irqrestore(&ha->vport_slock, flags); |
2c3dfe3f SJ |
387 | } |
388 | ||
389 | int | |
390 | qla24xx_vport_create_req_sanity_check(struct fc_vport *fc_vport) | |
391 | { | |
7b867cf7 AC |
392 | scsi_qla_host_t *base_vha = shost_priv(fc_vport->shost); |
393 | struct qla_hw_data *ha = base_vha->hw; | |
2c3dfe3f SJ |
394 | scsi_qla_host_t *vha; |
395 | uint8_t port_name[WWN_SIZE]; | |
396 | ||
397 | if (fc_vport->roles != FC_PORT_ROLE_FCP_INITIATOR) | |
398 | return VPCERR_UNSUPPORTED; | |
399 | ||
400 | /* Check up the F/W and H/W support NPIV */ | |
401 | if (!ha->flags.npiv_supported) | |
402 | return VPCERR_UNSUPPORTED; | |
403 | ||
404 | /* Check up whether npiv supported switch presented */ | |
405 | if (!(ha->switch_cap & FLOGI_MID_SUPPORT)) | |
406 | return VPCERR_NO_FABRIC_SUPP; | |
407 | ||
408 | /* Check up unique WWPN */ | |
409 | u64_to_wwn(fc_vport->port_name, port_name); | |
7b867cf7 | 410 | if (!memcmp(port_name, base_vha->port_name, WWN_SIZE)) |
50db6b13 | 411 | return VPCERR_BAD_WWN; |
2c3dfe3f SJ |
412 | vha = qla24xx_find_vhost_by_name(ha, port_name); |
413 | if (vha) | |
414 | return VPCERR_BAD_WWN; | |
415 | ||
416 | /* Check up max-npiv-supports */ | |
417 | if (ha->num_vhosts > ha->max_npiv_vports) { | |
7c3df132 SK |
418 | ql_dbg(ql_dbg_vport, vha, 0xa004, |
419 | "num_vhosts %ud is bigger " | |
420 | "than max_npiv_vports %ud.\n", | |
421 | ha->num_vhosts, ha->max_npiv_vports); | |
2c3dfe3f SJ |
422 | return VPCERR_UNSUPPORTED; |
423 | } | |
424 | return 0; | |
425 | } | |
426 | ||
427 | scsi_qla_host_t * | |
428 | qla24xx_create_vhost(struct fc_vport *fc_vport) | |
429 | { | |
7b867cf7 AC |
430 | scsi_qla_host_t *base_vha = shost_priv(fc_vport->shost); |
431 | struct qla_hw_data *ha = base_vha->hw; | |
2c3dfe3f | 432 | scsi_qla_host_t *vha; |
a5326f86 | 433 | struct scsi_host_template *sht = &qla2xxx_driver_template; |
2c3dfe3f SJ |
434 | struct Scsi_Host *host; |
435 | ||
7b867cf7 AC |
436 | vha = qla2x00_create_host(sht, ha); |
437 | if (!vha) { | |
7c3df132 SK |
438 | ql_log(ql_log_warn, vha, 0xa005, |
439 | "scsi_host_alloc() failed for vport.\n"); | |
2c3dfe3f SJ |
440 | return(NULL); |
441 | } | |
442 | ||
7b867cf7 | 443 | host = vha->host; |
2c3dfe3f | 444 | fc_vport->dd_data = vha; |
2c3dfe3f SJ |
445 | /* New host info */ |
446 | u64_to_wwn(fc_vport->node_name, vha->node_name); | |
447 | u64_to_wwn(fc_vport->port_name, vha->port_name); | |
448 | ||
2c3dfe3f SJ |
449 | vha->fc_vport = fc_vport; |
450 | vha->device_flags = 0; | |
2c3dfe3f SJ |
451 | vha->vp_idx = qla24xx_allocate_vp_id(vha); |
452 | if (vha->vp_idx > ha->max_npiv_vports) { | |
7c3df132 SK |
453 | ql_dbg(ql_dbg_vport, vha, 0xa006, |
454 | "Couldn't allocate vp_id.\n"); | |
7b867cf7 | 455 | goto create_vhost_failed; |
2c3dfe3f SJ |
456 | } |
457 | vha->mgmt_svr_loop_id = 10 + vha->vp_idx; | |
458 | ||
2c3dfe3f | 459 | vha->dpc_flags = 0L; |
2c3dfe3f SJ |
460 | |
461 | /* | |
462 | * To fix the issue of processing a parent's RSCN for the vport before | |
463 | * its SCR is complete. | |
464 | */ | |
465 | set_bit(VP_SCR_NEEDED, &vha->vp_flags); | |
466 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
467 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
468 | ||
469 | qla2x00_start_timer(vha, qla2x00_timer, WATCH_INTERVAL); | |
470 | ||
2afa19a9 AC |
471 | vha->req = base_vha->req; |
472 | host->can_queue = base_vha->req->length + 128; | |
2c3dfe3f SJ |
473 | host->this_id = 255; |
474 | host->cmd_per_lun = 3; | |
e02587d7 | 475 | if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) |
0c470874 AE |
476 | host->max_cmd_len = 32; |
477 | else | |
478 | host->max_cmd_len = MAX_CMDSZ; | |
2c3dfe3f | 479 | host->max_channel = MAX_BUSES - 1; |
82515920 | 480 | host->max_lun = ql2xmaxlun; |
711c1d91 | 481 | host->unique_id = host->host_no; |
642ef983 | 482 | host->max_id = ha->max_fibre_devices; |
2c3dfe3f SJ |
483 | host->transportt = qla2xxx_transport_vport_template; |
484 | ||
7c3df132 SK |
485 | ql_dbg(ql_dbg_vport, vha, 0xa007, |
486 | "Detect vport hba %ld at address = %p.\n", | |
487 | vha->host_no, vha); | |
2c3dfe3f SJ |
488 | |
489 | vha->flags.init_done = 1; | |
2c3dfe3f | 490 | |
0d6e61bc AV |
491 | mutex_lock(&ha->vport_lock); |
492 | set_bit(vha->vp_idx, ha->vp_idx_map); | |
493 | ha->cur_vport_count++; | |
494 | mutex_unlock(&ha->vport_lock); | |
495 | ||
2c3dfe3f SJ |
496 | return vha; |
497 | ||
7b867cf7 | 498 | create_vhost_failed: |
2c3dfe3f SJ |
499 | return NULL; |
500 | } | |
73208dfd AC |
501 | |
502 | static void | |
503 | qla25xx_free_req_que(struct scsi_qla_host *vha, struct req_que *req) | |
504 | { | |
505 | struct qla_hw_data *ha = vha->hw; | |
506 | uint16_t que_id = req->id; | |
507 | ||
508 | dma_free_coherent(&ha->pdev->dev, (req->length + 1) * | |
509 | sizeof(request_t), req->ring, req->dma); | |
510 | req->ring = NULL; | |
511 | req->dma = 0; | |
512 | if (que_id) { | |
513 | ha->req_q_map[que_id] = NULL; | |
514 | mutex_lock(&ha->vport_lock); | |
515 | clear_bit(que_id, ha->req_qid_map); | |
516 | mutex_unlock(&ha->vport_lock); | |
517 | } | |
518 | kfree(req); | |
519 | req = NULL; | |
520 | } | |
521 | ||
522 | static void | |
523 | qla25xx_free_rsp_que(struct scsi_qla_host *vha, struct rsp_que *rsp) | |
524 | { | |
525 | struct qla_hw_data *ha = vha->hw; | |
526 | uint16_t que_id = rsp->id; | |
527 | ||
528 | if (rsp->msix && rsp->msix->have_irq) { | |
529 | free_irq(rsp->msix->vector, rsp); | |
530 | rsp->msix->have_irq = 0; | |
531 | rsp->msix->rsp = NULL; | |
532 | } | |
533 | dma_free_coherent(&ha->pdev->dev, (rsp->length + 1) * | |
534 | sizeof(response_t), rsp->ring, rsp->dma); | |
535 | rsp->ring = NULL; | |
536 | rsp->dma = 0; | |
537 | if (que_id) { | |
538 | ha->rsp_q_map[que_id] = NULL; | |
539 | mutex_lock(&ha->vport_lock); | |
540 | clear_bit(que_id, ha->rsp_qid_map); | |
541 | mutex_unlock(&ha->vport_lock); | |
542 | } | |
543 | kfree(rsp); | |
544 | rsp = NULL; | |
545 | } | |
546 | ||
547 | int | |
548 | qla25xx_delete_req_que(struct scsi_qla_host *vha, struct req_que *req) | |
549 | { | |
550 | int ret = -1; | |
551 | ||
552 | if (req) { | |
553 | req->options |= BIT_0; | |
618a7523 | 554 | ret = qla25xx_init_req_que(vha, req); |
73208dfd AC |
555 | } |
556 | if (ret == QLA_SUCCESS) | |
557 | qla25xx_free_req_que(vha, req); | |
558 | ||
559 | return ret; | |
560 | } | |
561 | ||
3dbe756a | 562 | static int |
73208dfd AC |
563 | qla25xx_delete_rsp_que(struct scsi_qla_host *vha, struct rsp_que *rsp) |
564 | { | |
565 | int ret = -1; | |
566 | ||
567 | if (rsp) { | |
568 | rsp->options |= BIT_0; | |
618a7523 | 569 | ret = qla25xx_init_rsp_que(vha, rsp); |
73208dfd AC |
570 | } |
571 | if (ret == QLA_SUCCESS) | |
572 | qla25xx_free_rsp_que(vha, rsp); | |
573 | ||
574 | return ret; | |
575 | } | |
576 | ||
73208dfd AC |
577 | /* Delete all queues for a given vhost */ |
578 | int | |
2afa19a9 | 579 | qla25xx_delete_queues(struct scsi_qla_host *vha) |
73208dfd AC |
580 | { |
581 | int cnt, ret = 0; | |
582 | struct req_que *req = NULL; | |
583 | struct rsp_que *rsp = NULL; | |
584 | struct qla_hw_data *ha = vha->hw; | |
585 | ||
2afa19a9 AC |
586 | /* Delete request queues */ |
587 | for (cnt = 1; cnt < ha->max_req_queues; cnt++) { | |
588 | req = ha->req_q_map[cnt]; | |
73208dfd | 589 | if (req) { |
73208dfd AC |
590 | ret = qla25xx_delete_req_que(vha, req); |
591 | if (ret != QLA_SUCCESS) { | |
7c3df132 SK |
592 | ql_log(ql_log_warn, vha, 0x00ea, |
593 | "Couldn't delete req que %d.\n", | |
594 | req->id); | |
73208dfd AC |
595 | return ret; |
596 | } | |
73208dfd | 597 | } |
2afa19a9 AC |
598 | } |
599 | ||
600 | /* Delete response queues */ | |
601 | for (cnt = 1; cnt < ha->max_rsp_queues; cnt++) { | |
602 | rsp = ha->rsp_q_map[cnt]; | |
603 | if (rsp) { | |
604 | ret = qla25xx_delete_rsp_que(vha, rsp); | |
605 | if (ret != QLA_SUCCESS) { | |
7c3df132 SK |
606 | ql_log(ql_log_warn, vha, 0x00eb, |
607 | "Couldn't delete rsp que %d.\n", | |
608 | rsp->id); | |
2afa19a9 | 609 | return ret; |
73208dfd AC |
610 | } |
611 | } | |
612 | } | |
73208dfd AC |
613 | return ret; |
614 | } | |
615 | ||
616 | int | |
617 | qla25xx_create_req_que(struct qla_hw_data *ha, uint16_t options, | |
2afa19a9 | 618 | uint8_t vp_idx, uint16_t rid, int rsp_que, uint8_t qos) |
73208dfd AC |
619 | { |
620 | int ret = 0; | |
621 | struct req_que *req = NULL; | |
622 | struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev); | |
623 | uint16_t que_id = 0; | |
08029990 | 624 | device_reg_t __iomem *reg; |
2afa19a9 | 625 | uint32_t cnt; |
73208dfd AC |
626 | |
627 | req = kzalloc(sizeof(struct req_que), GFP_KERNEL); | |
628 | if (req == NULL) { | |
7c3df132 SK |
629 | ql_log(ql_log_fatal, base_vha, 0x00d9, |
630 | "Failed to allocate memory for request queue.\n"); | |
c7922a91 | 631 | goto failed; |
73208dfd AC |
632 | } |
633 | ||
634 | req->length = REQUEST_ENTRY_CNT_24XX; | |
635 | req->ring = dma_alloc_coherent(&ha->pdev->dev, | |
636 | (req->length + 1) * sizeof(request_t), | |
637 | &req->dma, GFP_KERNEL); | |
638 | if (req->ring == NULL) { | |
7c3df132 SK |
639 | ql_log(ql_log_fatal, base_vha, 0x00da, |
640 | "Failed to allocte memory for request_ring.\n"); | |
73208dfd AC |
641 | goto que_failed; |
642 | } | |
643 | ||
644 | mutex_lock(&ha->vport_lock); | |
2afa19a9 AC |
645 | que_id = find_first_zero_bit(ha->req_qid_map, ha->max_req_queues); |
646 | if (que_id >= ha->max_req_queues) { | |
73208dfd | 647 | mutex_unlock(&ha->vport_lock); |
7c3df132 SK |
648 | ql_log(ql_log_warn, base_vha, 0x00db, |
649 | "No resources to create additional request queue.\n"); | |
73208dfd AC |
650 | goto que_failed; |
651 | } | |
652 | set_bit(que_id, ha->req_qid_map); | |
653 | ha->req_q_map[que_id] = req; | |
654 | req->rid = rid; | |
655 | req->vp_idx = vp_idx; | |
656 | req->qos = qos; | |
657 | ||
7c3df132 SK |
658 | ql_dbg(ql_dbg_multiq, base_vha, 0xc002, |
659 | "queue_id=%d rid=%d vp_idx=%d qos=%d.\n", | |
660 | que_id, req->rid, req->vp_idx, req->qos); | |
661 | ql_dbg(ql_dbg_init, base_vha, 0x00dc, | |
662 | "queue_id=%d rid=%d vp_idx=%d qos=%d.\n", | |
663 | que_id, req->rid, req->vp_idx, req->qos); | |
2afa19a9 AC |
664 | if (rsp_que < 0) |
665 | req->rsp = NULL; | |
666 | else | |
73208dfd AC |
667 | req->rsp = ha->rsp_q_map[rsp_que]; |
668 | /* Use alternate PCI bus number */ | |
669 | if (MSB(req->rid)) | |
670 | options |= BIT_4; | |
671 | /* Use alternate PCI devfn */ | |
672 | if (LSB(req->rid)) | |
673 | options |= BIT_5; | |
674 | req->options = options; | |
2afa19a9 | 675 | |
7c3df132 SK |
676 | ql_dbg(ql_dbg_multiq, base_vha, 0xc003, |
677 | "options=0x%x.\n", req->options); | |
678 | ql_dbg(ql_dbg_init, base_vha, 0x00dd, | |
679 | "options=0x%x.\n", req->options); | |
2afa19a9 AC |
680 | for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) |
681 | req->outstanding_cmds[cnt] = NULL; | |
682 | req->current_outstanding_cmd = 1; | |
683 | ||
73208dfd AC |
684 | req->ring_ptr = req->ring; |
685 | req->ring_index = 0; | |
686 | req->cnt = req->length; | |
687 | req->id = que_id; | |
08029990 | 688 | reg = ISP_QUE_REG(ha, que_id); |
29bdccbe | 689 | req->max_q_depth = ha->req_q_map[0]->max_q_depth; |
73208dfd | 690 | mutex_unlock(&ha->vport_lock); |
7c3df132 SK |
691 | ql_dbg(ql_dbg_multiq, base_vha, 0xc004, |
692 | "ring_ptr=%p ring_index=%d, " | |
693 | "cnt=%d id=%d max_q_depth=%d.\n", | |
694 | req->ring_ptr, req->ring_index, | |
695 | req->cnt, req->id, req->max_q_depth); | |
696 | ql_dbg(ql_dbg_init, base_vha, 0x00de, | |
697 | "ring_ptr=%p ring_index=%d, " | |
698 | "cnt=%d id=%d max_q_depth=%d.\n", | |
699 | req->ring_ptr, req->ring_index, req->cnt, | |
700 | req->id, req->max_q_depth); | |
73208dfd | 701 | |
618a7523 | 702 | ret = qla25xx_init_req_que(base_vha, req); |
73208dfd | 703 | if (ret != QLA_SUCCESS) { |
7c3df132 SK |
704 | ql_log(ql_log_fatal, base_vha, 0x00df, |
705 | "%s failed.\n", __func__); | |
73208dfd AC |
706 | mutex_lock(&ha->vport_lock); |
707 | clear_bit(que_id, ha->req_qid_map); | |
708 | mutex_unlock(&ha->vport_lock); | |
709 | goto que_failed; | |
710 | } | |
711 | ||
712 | return req->id; | |
713 | ||
714 | que_failed: | |
715 | qla25xx_free_req_que(base_vha, req); | |
c7922a91 | 716 | failed: |
73208dfd AC |
717 | return 0; |
718 | } | |
719 | ||
68ca949c AC |
720 | static void qla_do_work(struct work_struct *work) |
721 | { | |
a67093d4 | 722 | unsigned long flags; |
68ca949c AC |
723 | struct rsp_que *rsp = container_of(work, struct rsp_que, q_work); |
724 | struct scsi_qla_host *vha; | |
a67093d4 | 725 | struct qla_hw_data *ha = rsp->hw; |
68ca949c | 726 | |
a67093d4 AC |
727 | spin_lock_irqsave(&rsp->hw->hardware_lock, flags); |
728 | vha = pci_get_drvdata(ha->pdev); | |
68ca949c | 729 | qla24xx_process_response_queue(vha, rsp); |
a67093d4 | 730 | spin_unlock_irqrestore(&rsp->hw->hardware_lock, flags); |
68ca949c AC |
731 | } |
732 | ||
73208dfd AC |
733 | /* create response queue */ |
734 | int | |
735 | qla25xx_create_rsp_que(struct qla_hw_data *ha, uint16_t options, | |
2afa19a9 | 736 | uint8_t vp_idx, uint16_t rid, int req) |
73208dfd AC |
737 | { |
738 | int ret = 0; | |
739 | struct rsp_que *rsp = NULL; | |
740 | struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev); | |
08029990 AV |
741 | uint16_t que_id = 0; |
742 | device_reg_t __iomem *reg; | |
73208dfd AC |
743 | |
744 | rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL); | |
745 | if (rsp == NULL) { | |
7c3df132 SK |
746 | ql_log(ql_log_warn, base_vha, 0x0066, |
747 | "Failed to allocate memory for response queue.\n"); | |
c7922a91 | 748 | goto failed; |
73208dfd AC |
749 | } |
750 | ||
2afa19a9 | 751 | rsp->length = RESPONSE_ENTRY_CNT_MQ; |
73208dfd AC |
752 | rsp->ring = dma_alloc_coherent(&ha->pdev->dev, |
753 | (rsp->length + 1) * sizeof(response_t), | |
754 | &rsp->dma, GFP_KERNEL); | |
755 | if (rsp->ring == NULL) { | |
7c3df132 SK |
756 | ql_log(ql_log_warn, base_vha, 0x00e1, |
757 | "Failed to allocate memory for response ring.\n"); | |
73208dfd AC |
758 | goto que_failed; |
759 | } | |
760 | ||
761 | mutex_lock(&ha->vport_lock); | |
2afa19a9 AC |
762 | que_id = find_first_zero_bit(ha->rsp_qid_map, ha->max_rsp_queues); |
763 | if (que_id >= ha->max_rsp_queues) { | |
73208dfd | 764 | mutex_unlock(&ha->vport_lock); |
7c3df132 SK |
765 | ql_log(ql_log_warn, base_vha, 0x00e2, |
766 | "No resources to create additional request queue.\n"); | |
73208dfd AC |
767 | goto que_failed; |
768 | } | |
769 | set_bit(que_id, ha->rsp_qid_map); | |
770 | ||
771 | if (ha->flags.msix_enabled) | |
772 | rsp->msix = &ha->msix_entries[que_id + 1]; | |
773 | else | |
7c3df132 SK |
774 | ql_log(ql_log_warn, base_vha, 0x00e3, |
775 | "MSIX not enalbled.\n"); | |
73208dfd AC |
776 | |
777 | ha->rsp_q_map[que_id] = rsp; | |
778 | rsp->rid = rid; | |
779 | rsp->vp_idx = vp_idx; | |
780 | rsp->hw = ha; | |
7c3df132 SK |
781 | ql_dbg(ql_dbg_init, base_vha, 0x00e4, |
782 | "queue_id=%d rid=%d vp_idx=%d hw=%p.\n", | |
783 | que_id, rsp->rid, rsp->vp_idx, rsp->hw); | |
73208dfd AC |
784 | /* Use alternate PCI bus number */ |
785 | if (MSB(rsp->rid)) | |
786 | options |= BIT_4; | |
787 | /* Use alternate PCI devfn */ | |
788 | if (LSB(rsp->rid)) | |
789 | options |= BIT_5; | |
3155754a AC |
790 | /* Enable MSIX handshake mode on for uncapable adapters */ |
791 | if (!IS_MSIX_NACK_CAPABLE(ha)) | |
792 | options |= BIT_6; | |
793 | ||
73208dfd | 794 | rsp->options = options; |
73208dfd | 795 | rsp->id = que_id; |
08029990 AV |
796 | reg = ISP_QUE_REG(ha, que_id); |
797 | rsp->rsp_q_in = ®->isp25mq.rsp_q_in; | |
798 | rsp->rsp_q_out = ®->isp25mq.rsp_q_out; | |
73208dfd | 799 | mutex_unlock(&ha->vport_lock); |
7c3df132 SK |
800 | ql_dbg(ql_dbg_multiq, base_vha, 0xc00b, |
801 | "options=%x id=%d rsp_q_in=%p rsp_q_out=%p", | |
802 | rsp->options, rsp->id, rsp->rsp_q_in, | |
803 | rsp->rsp_q_out); | |
804 | ql_dbg(ql_dbg_init, base_vha, 0x00e5, | |
805 | "options=%x id=%d rsp_q_in=%p rsp_q_out=%p", | |
806 | rsp->options, rsp->id, rsp->rsp_q_in, | |
807 | rsp->rsp_q_out); | |
73208dfd AC |
808 | |
809 | ret = qla25xx_request_irq(rsp); | |
810 | if (ret) | |
811 | goto que_failed; | |
812 | ||
618a7523 | 813 | ret = qla25xx_init_rsp_que(base_vha, rsp); |
73208dfd | 814 | if (ret != QLA_SUCCESS) { |
7c3df132 SK |
815 | ql_log(ql_log_fatal, base_vha, 0x00e7, |
816 | "%s failed.\n", __func__); | |
73208dfd AC |
817 | mutex_lock(&ha->vport_lock); |
818 | clear_bit(que_id, ha->rsp_qid_map); | |
819 | mutex_unlock(&ha->vport_lock); | |
820 | goto que_failed; | |
821 | } | |
2afa19a9 AC |
822 | if (req >= 0) |
823 | rsp->req = ha->req_q_map[req]; | |
824 | else | |
825 | rsp->req = NULL; | |
73208dfd AC |
826 | |
827 | qla2x00_init_response_q_entries(rsp); | |
68ca949c AC |
828 | if (rsp->hw->wq) |
829 | INIT_WORK(&rsp->q_work, qla_do_work); | |
73208dfd AC |
830 | return rsp->id; |
831 | ||
832 | que_failed: | |
833 | qla25xx_free_rsp_que(base_vha, rsp); | |
c7922a91 | 834 | failed: |
73208dfd AC |
835 | return 0; |
836 | } |