Commit | Line | Data |
---|---|---|
2c3dfe3f | 1 | /* |
01e58d8e | 2 | * QLogic Fibre Channel HBA Driver |
de7c5d05 | 3 | * Copyright (c) 2003-2010 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; |
2c3dfe3f SJ |
33 | |
34 | /* Find an empty slot and assign an vp_id */ | |
6c2f527c | 35 | mutex_lock(&ha->vport_lock); |
eb66dc60 AV |
36 | vp_id = find_first_zero_bit(ha->vp_idx_map, ha->max_npiv_vports + 1); |
37 | if (vp_id > ha->max_npiv_vports) { | |
38 | DEBUG15(printk ("vp_id %d is bigger than max-supported %d.\n", | |
39 | vp_id, ha->max_npiv_vports)); | |
6c2f527c | 40 | mutex_unlock(&ha->vport_lock); |
2c3dfe3f SJ |
41 | return vp_id; |
42 | } | |
43 | ||
eb66dc60 | 44 | set_bit(vp_id, ha->vp_idx_map); |
2c3dfe3f SJ |
45 | ha->num_vhosts++; |
46 | vha->vp_idx = vp_id; | |
7b867cf7 | 47 | list_add_tail(&vha->list, &ha->vp_list); |
6c2f527c | 48 | mutex_unlock(&ha->vport_lock); |
2c3dfe3f SJ |
49 | return vp_id; |
50 | } | |
51 | ||
52 | void | |
53 | qla24xx_deallocate_vp_id(scsi_qla_host_t *vha) | |
54 | { | |
55 | uint16_t vp_id; | |
7b867cf7 | 56 | struct qla_hw_data *ha = vha->hw; |
2c3dfe3f | 57 | |
6c2f527c | 58 | mutex_lock(&ha->vport_lock); |
2c3dfe3f SJ |
59 | vp_id = vha->vp_idx; |
60 | ha->num_vhosts--; | |
eb66dc60 | 61 | clear_bit(vp_id, ha->vp_idx_map); |
7b867cf7 | 62 | list_del(&vha->list); |
6c2f527c | 63 | mutex_unlock(&ha->vport_lock); |
2c3dfe3f SJ |
64 | } |
65 | ||
a824ebb3 | 66 | static scsi_qla_host_t * |
7b867cf7 | 67 | qla24xx_find_vhost_by_name(struct qla_hw_data *ha, uint8_t *port_name) |
2c3dfe3f SJ |
68 | { |
69 | scsi_qla_host_t *vha; | |
ee546b6e | 70 | struct scsi_qla_host *tvha; |
2c3dfe3f SJ |
71 | |
72 | /* Locate matching device in database. */ | |
ee546b6e | 73 | list_for_each_entry_safe(vha, tvha, &ha->vp_list, list) { |
2c3dfe3f SJ |
74 | if (!memcmp(port_name, vha->port_name, WWN_SIZE)) |
75 | return vha; | |
76 | } | |
77 | return NULL; | |
78 | } | |
79 | ||
80 | /* | |
81 | * qla2x00_mark_vp_devices_dead | |
82 | * Updates fcport state when device goes offline. | |
83 | * | |
84 | * Input: | |
85 | * ha = adapter block pointer. | |
86 | * fcport = port structure pointer. | |
87 | * | |
88 | * Return: | |
89 | * None. | |
90 | * | |
91 | * Context: | |
92 | */ | |
26ff776d | 93 | static void |
2c3dfe3f SJ |
94 | qla2x00_mark_vp_devices_dead(scsi_qla_host_t *vha) |
95 | { | |
96 | fc_port_t *fcport; | |
2c3dfe3f | 97 | |
7b867cf7 | 98 | list_for_each_entry(fcport, &vha->vp_fcports, list) { |
2c3dfe3f SJ |
99 | DEBUG15(printk("scsi(%ld): Marking port dead, " |
100 | "loop_id=0x%04x :%x\n", | |
101 | vha->host_no, fcport->loop_id, fcport->vp_idx)); | |
102 | ||
73208dfd | 103 | atomic_set(&fcport->state, FCS_DEVICE_DEAD); |
2c3dfe3f | 104 | qla2x00_mark_device_lost(vha, fcport, 0, 0); |
c9c5ced9 | 105 | atomic_set(&fcport->state, FCS_UNCONFIGURED); |
2c3dfe3f SJ |
106 | } |
107 | } | |
108 | ||
109 | int | |
110 | qla24xx_disable_vp(scsi_qla_host_t *vha) | |
111 | { | |
112 | int ret; | |
113 | ||
114 | ret = qla24xx_control_vp(vha, VCE_COMMAND_DISABLE_VPS_LOGO_ALL); | |
115 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
116 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
117 | ||
2c3dfe3f SJ |
118 | qla2x00_mark_vp_devices_dead(vha); |
119 | atomic_set(&vha->vp_state, VP_FAILED); | |
120 | vha->flags.management_server_logged_in = 0; | |
121 | if (ret == QLA_SUCCESS) { | |
122 | fc_vport_set_state(vha->fc_vport, FC_VPORT_DISABLED); | |
123 | } else { | |
124 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
125 | return -1; | |
126 | } | |
127 | return 0; | |
128 | } | |
129 | ||
130 | int | |
131 | qla24xx_enable_vp(scsi_qla_host_t *vha) | |
132 | { | |
133 | int ret; | |
7b867cf7 AC |
134 | struct qla_hw_data *ha = vha->hw; |
135 | scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); | |
2c3dfe3f SJ |
136 | |
137 | /* Check if physical ha port is Up */ | |
7b867cf7 | 138 | if (atomic_read(&base_vha->loop_state) == LOOP_DOWN || |
3f3b6f98 LC |
139 | atomic_read(&base_vha->loop_state) == LOOP_DEAD || |
140 | !(ha->current_topology & ISP_CFG_F)) { | |
2c3dfe3f SJ |
141 | vha->vp_err_state = VP_ERR_PORTDWN; |
142 | fc_vport_set_state(vha->fc_vport, FC_VPORT_LINKDOWN); | |
143 | goto enable_failed; | |
144 | } | |
145 | ||
146 | /* Initialize the new vport unless it is a persistent port */ | |
6c2f527c | 147 | mutex_lock(&ha->vport_lock); |
2c3dfe3f | 148 | ret = qla24xx_modify_vp_config(vha); |
6c2f527c | 149 | mutex_unlock(&ha->vport_lock); |
2c3dfe3f SJ |
150 | |
151 | if (ret != QLA_SUCCESS) { | |
152 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
153 | goto enable_failed; | |
154 | } | |
155 | ||
156 | DEBUG15(qla_printk(KERN_INFO, ha, | |
157 | "Virtual port with id: %d - Enabled\n", vha->vp_idx)); | |
158 | return 0; | |
159 | ||
160 | enable_failed: | |
161 | DEBUG15(qla_printk(KERN_INFO, ha, | |
162 | "Virtual port with id: %d - Disabled\n", vha->vp_idx)); | |
163 | return 1; | |
164 | } | |
165 | ||
26ff776d | 166 | static void |
2c3dfe3f SJ |
167 | qla24xx_configure_vp(scsi_qla_host_t *vha) |
168 | { | |
169 | struct fc_vport *fc_vport; | |
170 | int ret; | |
171 | ||
172 | fc_vport = vha->fc_vport; | |
173 | ||
174 | DEBUG15(printk("scsi(%ld): %s: change request #3 for this host.\n", | |
175 | vha->host_no, __func__)); | |
176 | ret = qla2x00_send_change_request(vha, 0x3, vha->vp_idx); | |
177 | if (ret != QLA_SUCCESS) { | |
7b867cf7 AC |
178 | DEBUG15(qla_printk(KERN_ERR, vha->hw, "Failed to enable " |
179 | "receiving of RSCN requests: 0x%x\n", ret)); | |
2c3dfe3f SJ |
180 | return; |
181 | } else { | |
182 | /* Corresponds to SCR enabled */ | |
183 | clear_bit(VP_SCR_NEEDED, &vha->vp_flags); | |
184 | } | |
185 | ||
186 | vha->flags.online = 1; | |
187 | if (qla24xx_configure_vhba(vha)) | |
188 | return; | |
189 | ||
190 | atomic_set(&vha->vp_state, VP_ACTIVE); | |
191 | fc_vport_set_state(fc_vport, FC_VPORT_ACTIVE); | |
192 | } | |
193 | ||
194 | void | |
73208dfd | 195 | qla2x00_alert_all_vps(struct rsp_que *rsp, uint16_t *mb) |
2c3dfe3f | 196 | { |
ee546b6e | 197 | scsi_qla_host_t *vha, *tvha; |
73208dfd | 198 | struct qla_hw_data *ha = rsp->hw; |
7b867cf7 | 199 | int i = 0; |
2c3dfe3f | 200 | |
ee546b6e | 201 | list_for_each_entry_safe(vha, tvha, &ha->vp_list, list) { |
7b867cf7 | 202 | if (vha->vp_idx) { |
2c3dfe3f SJ |
203 | switch (mb[0]) { |
204 | case MBA_LIP_OCCURRED: | |
205 | case MBA_LOOP_UP: | |
206 | case MBA_LOOP_DOWN: | |
207 | case MBA_LIP_RESET: | |
208 | case MBA_POINT_TO_POINT: | |
209 | case MBA_CHG_IN_CONNECTION: | |
210 | case MBA_PORT_UPDATE: | |
211 | case MBA_RSCN_UPDATE: | |
212 | DEBUG15(printk("scsi(%ld)%s: Async_event for" | |
7b867cf7 AC |
213 | " VP[%d], mb = 0x%x, vha=%p\n", |
214 | vha->host_no, __func__, i, *mb, vha)); | |
73208dfd | 215 | qla2x00_async_event(vha, rsp, mb); |
2c3dfe3f SJ |
216 | break; |
217 | } | |
218 | } | |
7b867cf7 | 219 | i++; |
2c3dfe3f SJ |
220 | } |
221 | } | |
222 | ||
7b867cf7 | 223 | int |
2c3dfe3f SJ |
224 | qla2x00_vp_abort_isp(scsi_qla_host_t *vha) |
225 | { | |
226 | /* | |
227 | * Physical port will do most of the abort and recovery work. We can | |
228 | * just treat it as a loop down | |
229 | */ | |
230 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { | |
231 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
232 | qla2x00_mark_all_devices_lost(vha, 0); | |
233 | } else { | |
234 | if (!atomic_read(&vha->loop_down_timer)) | |
235 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
236 | } | |
237 | ||
0d6e61bc AV |
238 | /* |
239 | * To exclusively reset vport, we need to log it out first. Note: this | |
240 | * control_vp can fail if ISP reset is already issued, this is | |
241 | * expected, as the vp would be already logged out due to ISP reset. | |
242 | */ | |
7b867cf7 AC |
243 | if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) |
244 | qla24xx_control_vp(vha, VCE_COMMAND_DISABLE_VPS_LOGO_ALL); | |
245 | ||
2c3dfe3f SJ |
246 | DEBUG15(printk("scsi(%ld): Scheduling enable of Vport %d...\n", |
247 | vha->host_no, vha->vp_idx)); | |
7b867cf7 | 248 | return qla24xx_enable_vp(vha); |
2c3dfe3f SJ |
249 | } |
250 | ||
a824ebb3 | 251 | static int |
2c3dfe3f SJ |
252 | qla2x00_do_dpc_vp(scsi_qla_host_t *vha) |
253 | { | |
ac280b67 AV |
254 | qla2x00_do_work(vha); |
255 | ||
2c3dfe3f SJ |
256 | if (test_and_clear_bit(VP_IDX_ACQUIRED, &vha->vp_flags)) { |
257 | /* VP acquired. complete port configuration */ | |
0d6e61bc | 258 | qla24xx_configure_vp(vha); |
2c3dfe3f SJ |
259 | return 0; |
260 | } | |
261 | ||
7b867cf7 AC |
262 | if (test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags)) { |
263 | qla2x00_update_fcports(vha); | |
264 | clear_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags); | |
265 | } | |
266 | ||
267 | if ((test_and_clear_bit(RELOGIN_NEEDED, &vha->dpc_flags)) && | |
268 | !test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) && | |
269 | atomic_read(&vha->loop_state) != LOOP_DOWN) { | |
270 | ||
271 | DEBUG(printk("scsi(%ld): qla2x00_port_login()\n", | |
272 | vha->host_no)); | |
273 | qla2x00_relogin(vha); | |
274 | ||
275 | DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n", | |
276 | vha->host_no)); | |
277 | } | |
2c3dfe3f SJ |
278 | |
279 | if (test_and_clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) && | |
280 | (!(test_and_set_bit(RESET_ACTIVE, &vha->dpc_flags)))) { | |
281 | clear_bit(RESET_ACTIVE, &vha->dpc_flags); | |
282 | } | |
283 | ||
73208dfd | 284 | if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) { |
2c3dfe3f SJ |
285 | if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags))) { |
286 | qla2x00_loop_resync(vha); | |
287 | clear_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags); | |
288 | } | |
289 | } | |
290 | ||
291 | return 0; | |
292 | } | |
293 | ||
294 | void | |
7b867cf7 | 295 | qla2x00_do_dpc_all_vps(scsi_qla_host_t *vha) |
2c3dfe3f SJ |
296 | { |
297 | int ret; | |
7b867cf7 AC |
298 | struct qla_hw_data *ha = vha->hw; |
299 | scsi_qla_host_t *vp; | |
ee546b6e | 300 | struct scsi_qla_host *tvp; |
2c3dfe3f | 301 | |
7b867cf7 | 302 | if (vha->vp_idx) |
2c3dfe3f SJ |
303 | return; |
304 | if (list_empty(&ha->vp_list)) | |
305 | return; | |
306 | ||
7b867cf7 | 307 | clear_bit(VP_DPC_NEEDED, &vha->dpc_flags); |
2c3dfe3f | 308 | |
0d6e61bc AV |
309 | if (!(ha->current_topology & ISP_CFG_F)) |
310 | return; | |
311 | ||
ee546b6e | 312 | list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) { |
7b867cf7 AC |
313 | if (vp->vp_idx) |
314 | ret = qla2x00_do_dpc_vp(vp); | |
2c3dfe3f SJ |
315 | } |
316 | } | |
317 | ||
318 | int | |
319 | qla24xx_vport_create_req_sanity_check(struct fc_vport *fc_vport) | |
320 | { | |
7b867cf7 AC |
321 | scsi_qla_host_t *base_vha = shost_priv(fc_vport->shost); |
322 | struct qla_hw_data *ha = base_vha->hw; | |
2c3dfe3f SJ |
323 | scsi_qla_host_t *vha; |
324 | uint8_t port_name[WWN_SIZE]; | |
325 | ||
326 | if (fc_vport->roles != FC_PORT_ROLE_FCP_INITIATOR) | |
327 | return VPCERR_UNSUPPORTED; | |
328 | ||
329 | /* Check up the F/W and H/W support NPIV */ | |
330 | if (!ha->flags.npiv_supported) | |
331 | return VPCERR_UNSUPPORTED; | |
332 | ||
333 | /* Check up whether npiv supported switch presented */ | |
334 | if (!(ha->switch_cap & FLOGI_MID_SUPPORT)) | |
335 | return VPCERR_NO_FABRIC_SUPP; | |
336 | ||
337 | /* Check up unique WWPN */ | |
338 | u64_to_wwn(fc_vport->port_name, port_name); | |
7b867cf7 | 339 | if (!memcmp(port_name, base_vha->port_name, WWN_SIZE)) |
50db6b13 | 340 | return VPCERR_BAD_WWN; |
2c3dfe3f SJ |
341 | vha = qla24xx_find_vhost_by_name(ha, port_name); |
342 | if (vha) | |
343 | return VPCERR_BAD_WWN; | |
344 | ||
345 | /* Check up max-npiv-supports */ | |
346 | if (ha->num_vhosts > ha->max_npiv_vports) { | |
eb66dc60 | 347 | DEBUG15(printk("scsi(%ld): num_vhosts %ud is bigger than " |
7b867cf7 | 348 | "max_npv_vports %ud.\n", base_vha->host_no, |
eb66dc60 | 349 | ha->num_vhosts, ha->max_npiv_vports)); |
2c3dfe3f SJ |
350 | return VPCERR_UNSUPPORTED; |
351 | } | |
352 | return 0; | |
353 | } | |
354 | ||
355 | scsi_qla_host_t * | |
356 | qla24xx_create_vhost(struct fc_vport *fc_vport) | |
357 | { | |
7b867cf7 AC |
358 | scsi_qla_host_t *base_vha = shost_priv(fc_vport->shost); |
359 | struct qla_hw_data *ha = base_vha->hw; | |
2c3dfe3f | 360 | scsi_qla_host_t *vha; |
a5326f86 | 361 | struct scsi_host_template *sht = &qla2xxx_driver_template; |
2c3dfe3f SJ |
362 | struct Scsi_Host *host; |
363 | ||
7b867cf7 AC |
364 | vha = qla2x00_create_host(sht, ha); |
365 | if (!vha) { | |
366 | DEBUG(printk("qla2xxx: scsi_host_alloc() failed for vport\n")); | |
2c3dfe3f SJ |
367 | return(NULL); |
368 | } | |
369 | ||
7b867cf7 | 370 | host = vha->host; |
2c3dfe3f | 371 | fc_vport->dd_data = vha; |
2c3dfe3f SJ |
372 | /* New host info */ |
373 | u64_to_wwn(fc_vport->node_name, vha->node_name); | |
374 | u64_to_wwn(fc_vport->port_name, vha->port_name); | |
375 | ||
2c3dfe3f SJ |
376 | vha->fc_vport = fc_vport; |
377 | vha->device_flags = 0; | |
2c3dfe3f SJ |
378 | vha->vp_idx = qla24xx_allocate_vp_id(vha); |
379 | if (vha->vp_idx > ha->max_npiv_vports) { | |
380 | DEBUG15(printk("scsi(%ld): Couldn't allocate vp_id.\n", | |
381 | vha->host_no)); | |
7b867cf7 | 382 | goto create_vhost_failed; |
2c3dfe3f SJ |
383 | } |
384 | vha->mgmt_svr_loop_id = 10 + vha->vp_idx; | |
385 | ||
2c3dfe3f | 386 | vha->dpc_flags = 0L; |
2c3dfe3f SJ |
387 | |
388 | /* | |
389 | * To fix the issue of processing a parent's RSCN for the vport before | |
390 | * its SCR is complete. | |
391 | */ | |
392 | set_bit(VP_SCR_NEEDED, &vha->vp_flags); | |
393 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
394 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
395 | ||
396 | qla2x00_start_timer(vha, qla2x00_timer, WATCH_INTERVAL); | |
397 | ||
2afa19a9 AC |
398 | vha->req = base_vha->req; |
399 | host->can_queue = base_vha->req->length + 128; | |
2c3dfe3f SJ |
400 | host->this_id = 255; |
401 | host->cmd_per_lun = 3; | |
0c470874 AE |
402 | if ((IS_QLA25XX(ha) || IS_QLA81XX(ha)) && ql2xenabledif) |
403 | host->max_cmd_len = 32; | |
404 | else | |
405 | host->max_cmd_len = MAX_CMDSZ; | |
2c3dfe3f SJ |
406 | host->max_channel = MAX_BUSES - 1; |
407 | host->max_lun = MAX_LUNS; | |
711c1d91 | 408 | host->unique_id = host->host_no; |
2c3dfe3f SJ |
409 | host->max_id = MAX_TARGETS_2200; |
410 | host->transportt = qla2xxx_transport_vport_template; | |
411 | ||
412 | DEBUG15(printk("DEBUG: detect vport hba %ld at address = %p\n", | |
413 | vha->host_no, vha)); | |
414 | ||
415 | vha->flags.init_done = 1; | |
2c3dfe3f | 416 | |
0d6e61bc AV |
417 | mutex_lock(&ha->vport_lock); |
418 | set_bit(vha->vp_idx, ha->vp_idx_map); | |
419 | ha->cur_vport_count++; | |
420 | mutex_unlock(&ha->vport_lock); | |
421 | ||
2c3dfe3f SJ |
422 | return vha; |
423 | ||
7b867cf7 | 424 | create_vhost_failed: |
2c3dfe3f SJ |
425 | return NULL; |
426 | } | |
73208dfd AC |
427 | |
428 | static void | |
429 | qla25xx_free_req_que(struct scsi_qla_host *vha, struct req_que *req) | |
430 | { | |
431 | struct qla_hw_data *ha = vha->hw; | |
432 | uint16_t que_id = req->id; | |
433 | ||
434 | dma_free_coherent(&ha->pdev->dev, (req->length + 1) * | |
435 | sizeof(request_t), req->ring, req->dma); | |
436 | req->ring = NULL; | |
437 | req->dma = 0; | |
438 | if (que_id) { | |
439 | ha->req_q_map[que_id] = NULL; | |
440 | mutex_lock(&ha->vport_lock); | |
441 | clear_bit(que_id, ha->req_qid_map); | |
442 | mutex_unlock(&ha->vport_lock); | |
443 | } | |
444 | kfree(req); | |
445 | req = NULL; | |
446 | } | |
447 | ||
448 | static void | |
449 | qla25xx_free_rsp_que(struct scsi_qla_host *vha, struct rsp_que *rsp) | |
450 | { | |
451 | struct qla_hw_data *ha = vha->hw; | |
452 | uint16_t que_id = rsp->id; | |
453 | ||
454 | if (rsp->msix && rsp->msix->have_irq) { | |
455 | free_irq(rsp->msix->vector, rsp); | |
456 | rsp->msix->have_irq = 0; | |
457 | rsp->msix->rsp = NULL; | |
458 | } | |
459 | dma_free_coherent(&ha->pdev->dev, (rsp->length + 1) * | |
460 | sizeof(response_t), rsp->ring, rsp->dma); | |
461 | rsp->ring = NULL; | |
462 | rsp->dma = 0; | |
463 | if (que_id) { | |
464 | ha->rsp_q_map[que_id] = NULL; | |
465 | mutex_lock(&ha->vport_lock); | |
466 | clear_bit(que_id, ha->rsp_qid_map); | |
467 | mutex_unlock(&ha->vport_lock); | |
468 | } | |
469 | kfree(rsp); | |
470 | rsp = NULL; | |
471 | } | |
472 | ||
473 | int | |
474 | qla25xx_delete_req_que(struct scsi_qla_host *vha, struct req_que *req) | |
475 | { | |
476 | int ret = -1; | |
477 | ||
478 | if (req) { | |
479 | req->options |= BIT_0; | |
618a7523 | 480 | ret = qla25xx_init_req_que(vha, req); |
73208dfd AC |
481 | } |
482 | if (ret == QLA_SUCCESS) | |
483 | qla25xx_free_req_que(vha, req); | |
484 | ||
485 | return ret; | |
486 | } | |
487 | ||
3dbe756a | 488 | static int |
73208dfd AC |
489 | qla25xx_delete_rsp_que(struct scsi_qla_host *vha, struct rsp_que *rsp) |
490 | { | |
491 | int ret = -1; | |
492 | ||
493 | if (rsp) { | |
494 | rsp->options |= BIT_0; | |
618a7523 | 495 | ret = qla25xx_init_rsp_que(vha, rsp); |
73208dfd AC |
496 | } |
497 | if (ret == QLA_SUCCESS) | |
498 | qla25xx_free_rsp_que(vha, rsp); | |
499 | ||
500 | return ret; | |
501 | } | |
502 | ||
73208dfd AC |
503 | /* Delete all queues for a given vhost */ |
504 | int | |
2afa19a9 | 505 | qla25xx_delete_queues(struct scsi_qla_host *vha) |
73208dfd AC |
506 | { |
507 | int cnt, ret = 0; | |
508 | struct req_que *req = NULL; | |
509 | struct rsp_que *rsp = NULL; | |
510 | struct qla_hw_data *ha = vha->hw; | |
511 | ||
2afa19a9 AC |
512 | /* Delete request queues */ |
513 | for (cnt = 1; cnt < ha->max_req_queues; cnt++) { | |
514 | req = ha->req_q_map[cnt]; | |
73208dfd | 515 | if (req) { |
73208dfd AC |
516 | ret = qla25xx_delete_req_que(vha, req); |
517 | if (ret != QLA_SUCCESS) { | |
518 | qla_printk(KERN_WARNING, ha, | |
2afa19a9 AC |
519 | "Couldn't delete req que %d\n", |
520 | req->id); | |
73208dfd AC |
521 | return ret; |
522 | } | |
73208dfd | 523 | } |
2afa19a9 AC |
524 | } |
525 | ||
526 | /* Delete response queues */ | |
527 | for (cnt = 1; cnt < ha->max_rsp_queues; cnt++) { | |
528 | rsp = ha->rsp_q_map[cnt]; | |
529 | if (rsp) { | |
530 | ret = qla25xx_delete_rsp_que(vha, rsp); | |
531 | if (ret != QLA_SUCCESS) { | |
532 | qla_printk(KERN_WARNING, ha, | |
533 | "Couldn't delete rsp que %d\n", | |
534 | rsp->id); | |
535 | return ret; | |
73208dfd AC |
536 | } |
537 | } | |
538 | } | |
73208dfd AC |
539 | return ret; |
540 | } | |
541 | ||
542 | int | |
543 | qla25xx_create_req_que(struct qla_hw_data *ha, uint16_t options, | |
2afa19a9 | 544 | uint8_t vp_idx, uint16_t rid, int rsp_que, uint8_t qos) |
73208dfd AC |
545 | { |
546 | int ret = 0; | |
547 | struct req_que *req = NULL; | |
548 | struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev); | |
549 | uint16_t que_id = 0; | |
08029990 | 550 | device_reg_t __iomem *reg; |
2afa19a9 | 551 | uint32_t cnt; |
73208dfd AC |
552 | |
553 | req = kzalloc(sizeof(struct req_que), GFP_KERNEL); | |
554 | if (req == NULL) { | |
555 | qla_printk(KERN_WARNING, ha, "could not allocate memory" | |
556 | "for request que\n"); | |
c7922a91 | 557 | goto failed; |
73208dfd AC |
558 | } |
559 | ||
560 | req->length = REQUEST_ENTRY_CNT_24XX; | |
561 | req->ring = dma_alloc_coherent(&ha->pdev->dev, | |
562 | (req->length + 1) * sizeof(request_t), | |
563 | &req->dma, GFP_KERNEL); | |
564 | if (req->ring == NULL) { | |
565 | qla_printk(KERN_WARNING, ha, | |
566 | "Memory Allocation failed - request_ring\n"); | |
567 | goto que_failed; | |
568 | } | |
569 | ||
570 | mutex_lock(&ha->vport_lock); | |
2afa19a9 AC |
571 | que_id = find_first_zero_bit(ha->req_qid_map, ha->max_req_queues); |
572 | if (que_id >= ha->max_req_queues) { | |
73208dfd AC |
573 | mutex_unlock(&ha->vport_lock); |
574 | qla_printk(KERN_INFO, ha, "No resources to create " | |
575 | "additional request queue\n"); | |
576 | goto que_failed; | |
577 | } | |
578 | set_bit(que_id, ha->req_qid_map); | |
579 | ha->req_q_map[que_id] = req; | |
580 | req->rid = rid; | |
581 | req->vp_idx = vp_idx; | |
582 | req->qos = qos; | |
583 | ||
2afa19a9 AC |
584 | if (rsp_que < 0) |
585 | req->rsp = NULL; | |
586 | else | |
73208dfd AC |
587 | req->rsp = ha->rsp_q_map[rsp_que]; |
588 | /* Use alternate PCI bus number */ | |
589 | if (MSB(req->rid)) | |
590 | options |= BIT_4; | |
591 | /* Use alternate PCI devfn */ | |
592 | if (LSB(req->rid)) | |
593 | options |= BIT_5; | |
594 | req->options = options; | |
2afa19a9 AC |
595 | |
596 | for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) | |
597 | req->outstanding_cmds[cnt] = NULL; | |
598 | req->current_outstanding_cmd = 1; | |
599 | ||
73208dfd AC |
600 | req->ring_ptr = req->ring; |
601 | req->ring_index = 0; | |
602 | req->cnt = req->length; | |
603 | req->id = que_id; | |
08029990 | 604 | reg = ISP_QUE_REG(ha, que_id); |
29bdccbe | 605 | req->max_q_depth = ha->req_q_map[0]->max_q_depth; |
73208dfd AC |
606 | mutex_unlock(&ha->vport_lock); |
607 | ||
618a7523 | 608 | ret = qla25xx_init_req_que(base_vha, req); |
73208dfd AC |
609 | if (ret != QLA_SUCCESS) { |
610 | qla_printk(KERN_WARNING, ha, "%s failed\n", __func__); | |
611 | mutex_lock(&ha->vport_lock); | |
612 | clear_bit(que_id, ha->req_qid_map); | |
613 | mutex_unlock(&ha->vport_lock); | |
614 | goto que_failed; | |
615 | } | |
616 | ||
617 | return req->id; | |
618 | ||
619 | que_failed: | |
620 | qla25xx_free_req_que(base_vha, req); | |
c7922a91 | 621 | failed: |
73208dfd AC |
622 | return 0; |
623 | } | |
624 | ||
68ca949c AC |
625 | static void qla_do_work(struct work_struct *work) |
626 | { | |
a67093d4 | 627 | unsigned long flags; |
68ca949c AC |
628 | struct rsp_que *rsp = container_of(work, struct rsp_que, q_work); |
629 | struct scsi_qla_host *vha; | |
a67093d4 | 630 | struct qla_hw_data *ha = rsp->hw; |
68ca949c | 631 | |
a67093d4 AC |
632 | spin_lock_irqsave(&rsp->hw->hardware_lock, flags); |
633 | vha = pci_get_drvdata(ha->pdev); | |
68ca949c | 634 | qla24xx_process_response_queue(vha, rsp); |
a67093d4 | 635 | spin_unlock_irqrestore(&rsp->hw->hardware_lock, flags); |
68ca949c AC |
636 | } |
637 | ||
73208dfd AC |
638 | /* create response queue */ |
639 | int | |
640 | qla25xx_create_rsp_que(struct qla_hw_data *ha, uint16_t options, | |
2afa19a9 | 641 | uint8_t vp_idx, uint16_t rid, int req) |
73208dfd AC |
642 | { |
643 | int ret = 0; | |
644 | struct rsp_que *rsp = NULL; | |
645 | struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev); | |
08029990 AV |
646 | uint16_t que_id = 0; |
647 | device_reg_t __iomem *reg; | |
73208dfd AC |
648 | |
649 | rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL); | |
650 | if (rsp == NULL) { | |
651 | qla_printk(KERN_WARNING, ha, "could not allocate memory for" | |
652 | " response que\n"); | |
c7922a91 | 653 | goto failed; |
73208dfd AC |
654 | } |
655 | ||
2afa19a9 | 656 | rsp->length = RESPONSE_ENTRY_CNT_MQ; |
73208dfd AC |
657 | rsp->ring = dma_alloc_coherent(&ha->pdev->dev, |
658 | (rsp->length + 1) * sizeof(response_t), | |
659 | &rsp->dma, GFP_KERNEL); | |
660 | if (rsp->ring == NULL) { | |
661 | qla_printk(KERN_WARNING, ha, | |
662 | "Memory Allocation failed - response_ring\n"); | |
663 | goto que_failed; | |
664 | } | |
665 | ||
666 | mutex_lock(&ha->vport_lock); | |
2afa19a9 AC |
667 | que_id = find_first_zero_bit(ha->rsp_qid_map, ha->max_rsp_queues); |
668 | if (que_id >= ha->max_rsp_queues) { | |
73208dfd AC |
669 | mutex_unlock(&ha->vport_lock); |
670 | qla_printk(KERN_INFO, ha, "No resources to create " | |
671 | "additional response queue\n"); | |
672 | goto que_failed; | |
673 | } | |
674 | set_bit(que_id, ha->rsp_qid_map); | |
675 | ||
676 | if (ha->flags.msix_enabled) | |
677 | rsp->msix = &ha->msix_entries[que_id + 1]; | |
678 | else | |
679 | qla_printk(KERN_WARNING, ha, "msix not enabled\n"); | |
680 | ||
681 | ha->rsp_q_map[que_id] = rsp; | |
682 | rsp->rid = rid; | |
683 | rsp->vp_idx = vp_idx; | |
684 | rsp->hw = ha; | |
685 | /* Use alternate PCI bus number */ | |
686 | if (MSB(rsp->rid)) | |
687 | options |= BIT_4; | |
688 | /* Use alternate PCI devfn */ | |
689 | if (LSB(rsp->rid)) | |
690 | options |= BIT_5; | |
3155754a AC |
691 | /* Enable MSIX handshake mode on for uncapable adapters */ |
692 | if (!IS_MSIX_NACK_CAPABLE(ha)) | |
693 | options |= BIT_6; | |
694 | ||
73208dfd | 695 | rsp->options = options; |
73208dfd | 696 | rsp->id = que_id; |
08029990 AV |
697 | reg = ISP_QUE_REG(ha, que_id); |
698 | rsp->rsp_q_in = ®->isp25mq.rsp_q_in; | |
699 | rsp->rsp_q_out = ®->isp25mq.rsp_q_out; | |
73208dfd AC |
700 | mutex_unlock(&ha->vport_lock); |
701 | ||
702 | ret = qla25xx_request_irq(rsp); | |
703 | if (ret) | |
704 | goto que_failed; | |
705 | ||
618a7523 | 706 | ret = qla25xx_init_rsp_que(base_vha, rsp); |
73208dfd AC |
707 | if (ret != QLA_SUCCESS) { |
708 | qla_printk(KERN_WARNING, ha, "%s failed\n", __func__); | |
709 | mutex_lock(&ha->vport_lock); | |
710 | clear_bit(que_id, ha->rsp_qid_map); | |
711 | mutex_unlock(&ha->vport_lock); | |
712 | goto que_failed; | |
713 | } | |
2afa19a9 AC |
714 | if (req >= 0) |
715 | rsp->req = ha->req_q_map[req]; | |
716 | else | |
717 | rsp->req = NULL; | |
73208dfd AC |
718 | |
719 | qla2x00_init_response_q_entries(rsp); | |
68ca949c AC |
720 | if (rsp->hw->wq) |
721 | INIT_WORK(&rsp->q_work, qla_do_work); | |
73208dfd AC |
722 | return rsp->id; |
723 | ||
724 | que_failed: | |
725 | qla25xx_free_rsp_que(base_vha, rsp); | |
c7922a91 | 726 | failed: |
73208dfd AC |
727 | return 0; |
728 | } |