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Commit | Line | Data |
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2c3dfe3f | 1 | /* |
01e58d8e AV |
2 | * QLogic Fibre Channel HBA Driver |
3 | * Copyright (c) 2003-2008 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> | |
2c3dfe3f SJ |
12 | #include <linux/list.h> |
13 | ||
14 | #include <scsi/scsi_tcq.h> | |
15 | #include <scsi/scsicam.h> | |
16 | #include <linux/delay.h> | |
17 | ||
2c3dfe3f SJ |
18 | void |
19 | qla2x00_vp_stop_timer(scsi_qla_host_t *vha) | |
20 | { | |
7b867cf7 | 21 | if (vha->vp_idx && vha->timer_active) { |
2c3dfe3f SJ |
22 | del_timer_sync(&vha->timer); |
23 | vha->timer_active = 0; | |
24 | } | |
25 | } | |
26 | ||
a824ebb3 | 27 | static uint32_t |
2c3dfe3f SJ |
28 | qla24xx_allocate_vp_id(scsi_qla_host_t *vha) |
29 | { | |
30 | uint32_t vp_id; | |
7b867cf7 | 31 | struct qla_hw_data *ha = vha->hw; |
2c3dfe3f SJ |
32 | |
33 | /* Find an empty slot and assign an vp_id */ | |
6c2f527c | 34 | mutex_lock(&ha->vport_lock); |
eb66dc60 AV |
35 | vp_id = find_first_zero_bit(ha->vp_idx_map, ha->max_npiv_vports + 1); |
36 | if (vp_id > ha->max_npiv_vports) { | |
37 | DEBUG15(printk ("vp_id %d is bigger than max-supported %d.\n", | |
38 | vp_id, ha->max_npiv_vports)); | |
6c2f527c | 39 | mutex_unlock(&ha->vport_lock); |
2c3dfe3f SJ |
40 | return vp_id; |
41 | } | |
42 | ||
eb66dc60 | 43 | set_bit(vp_id, ha->vp_idx_map); |
2c3dfe3f SJ |
44 | ha->num_vhosts++; |
45 | vha->vp_idx = vp_id; | |
7b867cf7 | 46 | list_add_tail(&vha->list, &ha->vp_list); |
6c2f527c | 47 | mutex_unlock(&ha->vport_lock); |
2c3dfe3f SJ |
48 | return vp_id; |
49 | } | |
50 | ||
51 | void | |
52 | qla24xx_deallocate_vp_id(scsi_qla_host_t *vha) | |
53 | { | |
54 | uint16_t vp_id; | |
7b867cf7 | 55 | struct qla_hw_data *ha = vha->hw; |
2c3dfe3f | 56 | |
6c2f527c | 57 | mutex_lock(&ha->vport_lock); |
2c3dfe3f SJ |
58 | vp_id = vha->vp_idx; |
59 | ha->num_vhosts--; | |
eb66dc60 | 60 | clear_bit(vp_id, ha->vp_idx_map); |
7b867cf7 | 61 | list_del(&vha->list); |
6c2f527c | 62 | mutex_unlock(&ha->vport_lock); |
2c3dfe3f SJ |
63 | } |
64 | ||
a824ebb3 | 65 | static scsi_qla_host_t * |
7b867cf7 | 66 | qla24xx_find_vhost_by_name(struct qla_hw_data *ha, uint8_t *port_name) |
2c3dfe3f SJ |
67 | { |
68 | scsi_qla_host_t *vha; | |
ee546b6e | 69 | struct scsi_qla_host *tvha; |
2c3dfe3f SJ |
70 | |
71 | /* Locate matching device in database. */ | |
ee546b6e | 72 | list_for_each_entry_safe(vha, tvha, &ha->vp_list, list) { |
2c3dfe3f SJ |
73 | if (!memcmp(port_name, vha->port_name, WWN_SIZE)) |
74 | return vha; | |
75 | } | |
76 | return NULL; | |
77 | } | |
78 | ||
79 | /* | |
80 | * qla2x00_mark_vp_devices_dead | |
81 | * Updates fcport state when device goes offline. | |
82 | * | |
83 | * Input: | |
84 | * ha = adapter block pointer. | |
85 | * fcport = port structure pointer. | |
86 | * | |
87 | * Return: | |
88 | * None. | |
89 | * | |
90 | * Context: | |
91 | */ | |
26ff776d | 92 | static void |
2c3dfe3f SJ |
93 | qla2x00_mark_vp_devices_dead(scsi_qla_host_t *vha) |
94 | { | |
95 | fc_port_t *fcport; | |
2c3dfe3f | 96 | |
7b867cf7 | 97 | list_for_each_entry(fcport, &vha->vp_fcports, list) { |
2c3dfe3f SJ |
98 | DEBUG15(printk("scsi(%ld): Marking port dead, " |
99 | "loop_id=0x%04x :%x\n", | |
100 | vha->host_no, fcport->loop_id, fcport->vp_idx)); | |
101 | ||
73208dfd | 102 | atomic_set(&fcport->state, FCS_DEVICE_DEAD); |
2c3dfe3f | 103 | qla2x00_mark_device_lost(vha, fcport, 0, 0); |
c9c5ced9 | 104 | atomic_set(&fcport->state, FCS_UNCONFIGURED); |
2c3dfe3f SJ |
105 | } |
106 | } | |
107 | ||
108 | int | |
109 | qla24xx_disable_vp(scsi_qla_host_t *vha) | |
110 | { | |
111 | int ret; | |
112 | ||
113 | ret = qla24xx_control_vp(vha, VCE_COMMAND_DISABLE_VPS_LOGO_ALL); | |
114 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
115 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
116 | ||
2c3dfe3f SJ |
117 | qla2x00_mark_vp_devices_dead(vha); |
118 | atomic_set(&vha->vp_state, VP_FAILED); | |
119 | vha->flags.management_server_logged_in = 0; | |
120 | if (ret == QLA_SUCCESS) { | |
121 | fc_vport_set_state(vha->fc_vport, FC_VPORT_DISABLED); | |
122 | } else { | |
123 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
124 | return -1; | |
125 | } | |
126 | return 0; | |
127 | } | |
128 | ||
129 | int | |
130 | qla24xx_enable_vp(scsi_qla_host_t *vha) | |
131 | { | |
132 | int ret; | |
7b867cf7 AC |
133 | struct qla_hw_data *ha = vha->hw; |
134 | scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); | |
2c3dfe3f SJ |
135 | |
136 | /* Check if physical ha port is Up */ | |
7b867cf7 AC |
137 | if (atomic_read(&base_vha->loop_state) == LOOP_DOWN || |
138 | atomic_read(&base_vha->loop_state) == LOOP_DEAD) { | |
2c3dfe3f SJ |
139 | vha->vp_err_state = VP_ERR_PORTDWN; |
140 | fc_vport_set_state(vha->fc_vport, FC_VPORT_LINKDOWN); | |
141 | goto enable_failed; | |
142 | } | |
143 | ||
144 | /* Initialize the new vport unless it is a persistent port */ | |
6c2f527c | 145 | mutex_lock(&ha->vport_lock); |
2c3dfe3f | 146 | ret = qla24xx_modify_vp_config(vha); |
6c2f527c | 147 | mutex_unlock(&ha->vport_lock); |
2c3dfe3f SJ |
148 | |
149 | if (ret != QLA_SUCCESS) { | |
150 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
151 | goto enable_failed; | |
152 | } | |
153 | ||
154 | DEBUG15(qla_printk(KERN_INFO, ha, | |
155 | "Virtual port with id: %d - Enabled\n", vha->vp_idx)); | |
156 | return 0; | |
157 | ||
158 | enable_failed: | |
159 | DEBUG15(qla_printk(KERN_INFO, ha, | |
160 | "Virtual port with id: %d - Disabled\n", vha->vp_idx)); | |
161 | return 1; | |
162 | } | |
163 | ||
26ff776d | 164 | static void |
2c3dfe3f SJ |
165 | qla24xx_configure_vp(scsi_qla_host_t *vha) |
166 | { | |
167 | struct fc_vport *fc_vport; | |
168 | int ret; | |
169 | ||
170 | fc_vport = vha->fc_vport; | |
171 | ||
172 | DEBUG15(printk("scsi(%ld): %s: change request #3 for this host.\n", | |
173 | vha->host_no, __func__)); | |
174 | ret = qla2x00_send_change_request(vha, 0x3, vha->vp_idx); | |
175 | if (ret != QLA_SUCCESS) { | |
7b867cf7 AC |
176 | DEBUG15(qla_printk(KERN_ERR, vha->hw, "Failed to enable " |
177 | "receiving of RSCN requests: 0x%x\n", ret)); | |
2c3dfe3f SJ |
178 | return; |
179 | } else { | |
180 | /* Corresponds to SCR enabled */ | |
181 | clear_bit(VP_SCR_NEEDED, &vha->vp_flags); | |
182 | } | |
183 | ||
184 | vha->flags.online = 1; | |
185 | if (qla24xx_configure_vhba(vha)) | |
186 | return; | |
187 | ||
188 | atomic_set(&vha->vp_state, VP_ACTIVE); | |
189 | fc_vport_set_state(fc_vport, FC_VPORT_ACTIVE); | |
190 | } | |
191 | ||
192 | void | |
73208dfd | 193 | qla2x00_alert_all_vps(struct rsp_que *rsp, uint16_t *mb) |
2c3dfe3f | 194 | { |
ee546b6e | 195 | scsi_qla_host_t *vha, *tvha; |
73208dfd | 196 | struct qla_hw_data *ha = rsp->hw; |
7b867cf7 | 197 | int i = 0; |
2c3dfe3f | 198 | |
ee546b6e | 199 | list_for_each_entry_safe(vha, tvha, &ha->vp_list, list) { |
7b867cf7 | 200 | if (vha->vp_idx) { |
2c3dfe3f SJ |
201 | switch (mb[0]) { |
202 | case MBA_LIP_OCCURRED: | |
203 | case MBA_LOOP_UP: | |
204 | case MBA_LOOP_DOWN: | |
205 | case MBA_LIP_RESET: | |
206 | case MBA_POINT_TO_POINT: | |
207 | case MBA_CHG_IN_CONNECTION: | |
208 | case MBA_PORT_UPDATE: | |
209 | case MBA_RSCN_UPDATE: | |
210 | DEBUG15(printk("scsi(%ld)%s: Async_event for" | |
7b867cf7 AC |
211 | " VP[%d], mb = 0x%x, vha=%p\n", |
212 | vha->host_no, __func__, i, *mb, vha)); | |
73208dfd | 213 | qla2x00_async_event(vha, rsp, mb); |
2c3dfe3f SJ |
214 | break; |
215 | } | |
216 | } | |
7b867cf7 | 217 | i++; |
2c3dfe3f SJ |
218 | } |
219 | } | |
220 | ||
7b867cf7 | 221 | int |
2c3dfe3f SJ |
222 | qla2x00_vp_abort_isp(scsi_qla_host_t *vha) |
223 | { | |
224 | /* | |
225 | * Physical port will do most of the abort and recovery work. We can | |
226 | * just treat it as a loop down | |
227 | */ | |
228 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { | |
229 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
230 | qla2x00_mark_all_devices_lost(vha, 0); | |
231 | } else { | |
232 | if (!atomic_read(&vha->loop_down_timer)) | |
233 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
234 | } | |
235 | ||
0d6e61bc AV |
236 | /* |
237 | * To exclusively reset vport, we need to log it out first. Note: this | |
238 | * control_vp can fail if ISP reset is already issued, this is | |
239 | * expected, as the vp would be already logged out due to ISP reset. | |
240 | */ | |
7b867cf7 AC |
241 | if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) |
242 | qla24xx_control_vp(vha, VCE_COMMAND_DISABLE_VPS_LOGO_ALL); | |
243 | ||
2c3dfe3f SJ |
244 | DEBUG15(printk("scsi(%ld): Scheduling enable of Vport %d...\n", |
245 | vha->host_no, vha->vp_idx)); | |
7b867cf7 | 246 | return qla24xx_enable_vp(vha); |
2c3dfe3f SJ |
247 | } |
248 | ||
a824ebb3 | 249 | static int |
2c3dfe3f SJ |
250 | qla2x00_do_dpc_vp(scsi_qla_host_t *vha) |
251 | { | |
ac280b67 AV |
252 | qla2x00_do_work(vha); |
253 | ||
2c3dfe3f SJ |
254 | if (test_and_clear_bit(VP_IDX_ACQUIRED, &vha->vp_flags)) { |
255 | /* VP acquired. complete port configuration */ | |
0d6e61bc | 256 | qla24xx_configure_vp(vha); |
2c3dfe3f SJ |
257 | return 0; |
258 | } | |
259 | ||
7b867cf7 AC |
260 | if (test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags)) { |
261 | qla2x00_update_fcports(vha); | |
262 | clear_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags); | |
263 | } | |
264 | ||
265 | if ((test_and_clear_bit(RELOGIN_NEEDED, &vha->dpc_flags)) && | |
266 | !test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) && | |
267 | atomic_read(&vha->loop_state) != LOOP_DOWN) { | |
268 | ||
269 | DEBUG(printk("scsi(%ld): qla2x00_port_login()\n", | |
270 | vha->host_no)); | |
271 | qla2x00_relogin(vha); | |
272 | ||
273 | DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n", | |
274 | vha->host_no)); | |
275 | } | |
2c3dfe3f SJ |
276 | |
277 | if (test_and_clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) && | |
278 | (!(test_and_set_bit(RESET_ACTIVE, &vha->dpc_flags)))) { | |
279 | clear_bit(RESET_ACTIVE, &vha->dpc_flags); | |
280 | } | |
281 | ||
73208dfd | 282 | if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) { |
2c3dfe3f SJ |
283 | if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags))) { |
284 | qla2x00_loop_resync(vha); | |
285 | clear_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags); | |
286 | } | |
287 | } | |
288 | ||
289 | return 0; | |
290 | } | |
291 | ||
292 | void | |
7b867cf7 | 293 | qla2x00_do_dpc_all_vps(scsi_qla_host_t *vha) |
2c3dfe3f SJ |
294 | { |
295 | int ret; | |
7b867cf7 AC |
296 | struct qla_hw_data *ha = vha->hw; |
297 | scsi_qla_host_t *vp; | |
ee546b6e | 298 | struct scsi_qla_host *tvp; |
2c3dfe3f | 299 | |
7b867cf7 | 300 | if (vha->vp_idx) |
2c3dfe3f SJ |
301 | return; |
302 | if (list_empty(&ha->vp_list)) | |
303 | return; | |
304 | ||
7b867cf7 | 305 | clear_bit(VP_DPC_NEEDED, &vha->dpc_flags); |
2c3dfe3f | 306 | |
0d6e61bc AV |
307 | if (!(ha->current_topology & ISP_CFG_F)) |
308 | return; | |
309 | ||
ee546b6e | 310 | list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) { |
7b867cf7 AC |
311 | if (vp->vp_idx) |
312 | ret = qla2x00_do_dpc_vp(vp); | |
2c3dfe3f SJ |
313 | } |
314 | } | |
315 | ||
316 | int | |
317 | qla24xx_vport_create_req_sanity_check(struct fc_vport *fc_vport) | |
318 | { | |
7b867cf7 AC |
319 | scsi_qla_host_t *base_vha = shost_priv(fc_vport->shost); |
320 | struct qla_hw_data *ha = base_vha->hw; | |
2c3dfe3f SJ |
321 | scsi_qla_host_t *vha; |
322 | uint8_t port_name[WWN_SIZE]; | |
323 | ||
324 | if (fc_vport->roles != FC_PORT_ROLE_FCP_INITIATOR) | |
325 | return VPCERR_UNSUPPORTED; | |
326 | ||
327 | /* Check up the F/W and H/W support NPIV */ | |
328 | if (!ha->flags.npiv_supported) | |
329 | return VPCERR_UNSUPPORTED; | |
330 | ||
331 | /* Check up whether npiv supported switch presented */ | |
332 | if (!(ha->switch_cap & FLOGI_MID_SUPPORT)) | |
333 | return VPCERR_NO_FABRIC_SUPP; | |
334 | ||
335 | /* Check up unique WWPN */ | |
336 | u64_to_wwn(fc_vport->port_name, port_name); | |
7b867cf7 | 337 | if (!memcmp(port_name, base_vha->port_name, WWN_SIZE)) |
50db6b13 | 338 | return VPCERR_BAD_WWN; |
2c3dfe3f SJ |
339 | vha = qla24xx_find_vhost_by_name(ha, port_name); |
340 | if (vha) | |
341 | return VPCERR_BAD_WWN; | |
342 | ||
343 | /* Check up max-npiv-supports */ | |
344 | if (ha->num_vhosts > ha->max_npiv_vports) { | |
eb66dc60 | 345 | DEBUG15(printk("scsi(%ld): num_vhosts %ud is bigger than " |
7b867cf7 | 346 | "max_npv_vports %ud.\n", base_vha->host_no, |
eb66dc60 | 347 | ha->num_vhosts, ha->max_npiv_vports)); |
2c3dfe3f SJ |
348 | return VPCERR_UNSUPPORTED; |
349 | } | |
350 | return 0; | |
351 | } | |
352 | ||
353 | scsi_qla_host_t * | |
354 | qla24xx_create_vhost(struct fc_vport *fc_vport) | |
355 | { | |
7b867cf7 AC |
356 | scsi_qla_host_t *base_vha = shost_priv(fc_vport->shost); |
357 | struct qla_hw_data *ha = base_vha->hw; | |
2c3dfe3f | 358 | scsi_qla_host_t *vha; |
a5326f86 | 359 | struct scsi_host_template *sht = &qla2xxx_driver_template; |
2c3dfe3f SJ |
360 | struct Scsi_Host *host; |
361 | ||
7b867cf7 AC |
362 | vha = qla2x00_create_host(sht, ha); |
363 | if (!vha) { | |
364 | DEBUG(printk("qla2xxx: scsi_host_alloc() failed for vport\n")); | |
2c3dfe3f SJ |
365 | return(NULL); |
366 | } | |
367 | ||
7b867cf7 | 368 | host = vha->host; |
2c3dfe3f | 369 | fc_vport->dd_data = vha; |
2c3dfe3f SJ |
370 | /* New host info */ |
371 | u64_to_wwn(fc_vport->node_name, vha->node_name); | |
372 | u64_to_wwn(fc_vport->port_name, vha->port_name); | |
373 | ||
2c3dfe3f SJ |
374 | vha->fc_vport = fc_vport; |
375 | vha->device_flags = 0; | |
2c3dfe3f SJ |
376 | vha->vp_idx = qla24xx_allocate_vp_id(vha); |
377 | if (vha->vp_idx > ha->max_npiv_vports) { | |
378 | DEBUG15(printk("scsi(%ld): Couldn't allocate vp_id.\n", | |
379 | vha->host_no)); | |
7b867cf7 | 380 | goto create_vhost_failed; |
2c3dfe3f SJ |
381 | } |
382 | vha->mgmt_svr_loop_id = 10 + vha->vp_idx; | |
383 | ||
2c3dfe3f | 384 | vha->dpc_flags = 0L; |
2c3dfe3f SJ |
385 | |
386 | /* | |
387 | * To fix the issue of processing a parent's RSCN for the vport before | |
388 | * its SCR is complete. | |
389 | */ | |
390 | set_bit(VP_SCR_NEEDED, &vha->vp_flags); | |
391 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
392 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
393 | ||
394 | qla2x00_start_timer(vha, qla2x00_timer, WATCH_INTERVAL); | |
395 | ||
2afa19a9 AC |
396 | vha->req = base_vha->req; |
397 | host->can_queue = base_vha->req->length + 128; | |
2c3dfe3f SJ |
398 | host->this_id = 255; |
399 | host->cmd_per_lun = 3; | |
400 | host->max_cmd_len = MAX_CMDSZ; | |
401 | host->max_channel = MAX_BUSES - 1; | |
402 | host->max_lun = MAX_LUNS; | |
711c1d91 | 403 | host->unique_id = host->host_no; |
2c3dfe3f SJ |
404 | host->max_id = MAX_TARGETS_2200; |
405 | host->transportt = qla2xxx_transport_vport_template; | |
406 | ||
407 | DEBUG15(printk("DEBUG: detect vport hba %ld at address = %p\n", | |
408 | vha->host_no, vha)); | |
409 | ||
410 | vha->flags.init_done = 1; | |
2c3dfe3f | 411 | |
0d6e61bc AV |
412 | mutex_lock(&ha->vport_lock); |
413 | set_bit(vha->vp_idx, ha->vp_idx_map); | |
414 | ha->cur_vport_count++; | |
415 | mutex_unlock(&ha->vport_lock); | |
416 | ||
2c3dfe3f SJ |
417 | return vha; |
418 | ||
7b867cf7 | 419 | create_vhost_failed: |
2c3dfe3f SJ |
420 | return NULL; |
421 | } | |
73208dfd AC |
422 | |
423 | static void | |
424 | qla25xx_free_req_que(struct scsi_qla_host *vha, struct req_que *req) | |
425 | { | |
426 | struct qla_hw_data *ha = vha->hw; | |
427 | uint16_t que_id = req->id; | |
428 | ||
429 | dma_free_coherent(&ha->pdev->dev, (req->length + 1) * | |
430 | sizeof(request_t), req->ring, req->dma); | |
431 | req->ring = NULL; | |
432 | req->dma = 0; | |
433 | if (que_id) { | |
434 | ha->req_q_map[que_id] = NULL; | |
435 | mutex_lock(&ha->vport_lock); | |
436 | clear_bit(que_id, ha->req_qid_map); | |
437 | mutex_unlock(&ha->vport_lock); | |
438 | } | |
439 | kfree(req); | |
440 | req = NULL; | |
441 | } | |
442 | ||
443 | static void | |
444 | qla25xx_free_rsp_que(struct scsi_qla_host *vha, struct rsp_que *rsp) | |
445 | { | |
446 | struct qla_hw_data *ha = vha->hw; | |
447 | uint16_t que_id = rsp->id; | |
448 | ||
449 | if (rsp->msix && rsp->msix->have_irq) { | |
450 | free_irq(rsp->msix->vector, rsp); | |
451 | rsp->msix->have_irq = 0; | |
452 | rsp->msix->rsp = NULL; | |
453 | } | |
454 | dma_free_coherent(&ha->pdev->dev, (rsp->length + 1) * | |
455 | sizeof(response_t), rsp->ring, rsp->dma); | |
456 | rsp->ring = NULL; | |
457 | rsp->dma = 0; | |
458 | if (que_id) { | |
459 | ha->rsp_q_map[que_id] = NULL; | |
460 | mutex_lock(&ha->vport_lock); | |
461 | clear_bit(que_id, ha->rsp_qid_map); | |
462 | mutex_unlock(&ha->vport_lock); | |
463 | } | |
464 | kfree(rsp); | |
465 | rsp = NULL; | |
466 | } | |
467 | ||
468 | int | |
469 | qla25xx_delete_req_que(struct scsi_qla_host *vha, struct req_que *req) | |
470 | { | |
471 | int ret = -1; | |
472 | ||
473 | if (req) { | |
474 | req->options |= BIT_0; | |
618a7523 | 475 | ret = qla25xx_init_req_que(vha, req); |
73208dfd AC |
476 | } |
477 | if (ret == QLA_SUCCESS) | |
478 | qla25xx_free_req_que(vha, req); | |
479 | ||
480 | return ret; | |
481 | } | |
482 | ||
483 | int | |
484 | qla25xx_delete_rsp_que(struct scsi_qla_host *vha, struct rsp_que *rsp) | |
485 | { | |
486 | int ret = -1; | |
487 | ||
488 | if (rsp) { | |
489 | rsp->options |= BIT_0; | |
618a7523 | 490 | ret = qla25xx_init_rsp_que(vha, rsp); |
73208dfd AC |
491 | } |
492 | if (ret == QLA_SUCCESS) | |
493 | qla25xx_free_rsp_que(vha, rsp); | |
494 | ||
495 | return ret; | |
496 | } | |
497 | ||
498 | int qla25xx_update_req_que(struct scsi_qla_host *vha, uint8_t que, uint8_t qos) | |
499 | { | |
500 | int ret = 0; | |
501 | struct qla_hw_data *ha = vha->hw; | |
502 | struct req_que *req = ha->req_q_map[que]; | |
503 | ||
504 | req->options |= BIT_3; | |
505 | req->qos = qos; | |
618a7523 | 506 | ret = qla25xx_init_req_que(vha, req); |
73208dfd AC |
507 | if (ret != QLA_SUCCESS) |
508 | DEBUG2_17(printk(KERN_WARNING "%s failed\n", __func__)); | |
509 | /* restore options bit */ | |
510 | req->options &= ~BIT_3; | |
511 | return ret; | |
512 | } | |
513 | ||
514 | ||
515 | /* Delete all queues for a given vhost */ | |
516 | int | |
2afa19a9 | 517 | qla25xx_delete_queues(struct scsi_qla_host *vha) |
73208dfd AC |
518 | { |
519 | int cnt, ret = 0; | |
520 | struct req_que *req = NULL; | |
521 | struct rsp_que *rsp = NULL; | |
522 | struct qla_hw_data *ha = vha->hw; | |
523 | ||
2afa19a9 AC |
524 | /* Delete request queues */ |
525 | for (cnt = 1; cnt < ha->max_req_queues; cnt++) { | |
526 | req = ha->req_q_map[cnt]; | |
73208dfd | 527 | if (req) { |
73208dfd AC |
528 | ret = qla25xx_delete_req_que(vha, req); |
529 | if (ret != QLA_SUCCESS) { | |
530 | qla_printk(KERN_WARNING, ha, | |
2afa19a9 AC |
531 | "Couldn't delete req que %d\n", |
532 | req->id); | |
73208dfd AC |
533 | return ret; |
534 | } | |
73208dfd | 535 | } |
2afa19a9 AC |
536 | } |
537 | ||
538 | /* Delete response queues */ | |
539 | for (cnt = 1; cnt < ha->max_rsp_queues; cnt++) { | |
540 | rsp = ha->rsp_q_map[cnt]; | |
541 | if (rsp) { | |
542 | ret = qla25xx_delete_rsp_que(vha, rsp); | |
543 | if (ret != QLA_SUCCESS) { | |
544 | qla_printk(KERN_WARNING, ha, | |
545 | "Couldn't delete rsp que %d\n", | |
546 | rsp->id); | |
547 | return ret; | |
73208dfd AC |
548 | } |
549 | } | |
550 | } | |
73208dfd AC |
551 | return ret; |
552 | } | |
553 | ||
554 | int | |
555 | qla25xx_create_req_que(struct qla_hw_data *ha, uint16_t options, | |
2afa19a9 | 556 | uint8_t vp_idx, uint16_t rid, int rsp_que, uint8_t qos) |
73208dfd AC |
557 | { |
558 | int ret = 0; | |
559 | struct req_que *req = NULL; | |
560 | struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev); | |
561 | uint16_t que_id = 0; | |
08029990 | 562 | device_reg_t __iomem *reg; |
2afa19a9 | 563 | uint32_t cnt; |
73208dfd AC |
564 | |
565 | req = kzalloc(sizeof(struct req_que), GFP_KERNEL); | |
566 | if (req == NULL) { | |
567 | qla_printk(KERN_WARNING, ha, "could not allocate memory" | |
568 | "for request que\n"); | |
c7922a91 | 569 | goto failed; |
73208dfd AC |
570 | } |
571 | ||
572 | req->length = REQUEST_ENTRY_CNT_24XX; | |
573 | req->ring = dma_alloc_coherent(&ha->pdev->dev, | |
574 | (req->length + 1) * sizeof(request_t), | |
575 | &req->dma, GFP_KERNEL); | |
576 | if (req->ring == NULL) { | |
577 | qla_printk(KERN_WARNING, ha, | |
578 | "Memory Allocation failed - request_ring\n"); | |
579 | goto que_failed; | |
580 | } | |
581 | ||
582 | mutex_lock(&ha->vport_lock); | |
2afa19a9 AC |
583 | que_id = find_first_zero_bit(ha->req_qid_map, ha->max_req_queues); |
584 | if (que_id >= ha->max_req_queues) { | |
73208dfd AC |
585 | mutex_unlock(&ha->vport_lock); |
586 | qla_printk(KERN_INFO, ha, "No resources to create " | |
587 | "additional request queue\n"); | |
588 | goto que_failed; | |
589 | } | |
590 | set_bit(que_id, ha->req_qid_map); | |
591 | ha->req_q_map[que_id] = req; | |
592 | req->rid = rid; | |
593 | req->vp_idx = vp_idx; | |
594 | req->qos = qos; | |
595 | ||
2afa19a9 AC |
596 | if (rsp_que < 0) |
597 | req->rsp = NULL; | |
598 | else | |
73208dfd AC |
599 | req->rsp = ha->rsp_q_map[rsp_que]; |
600 | /* Use alternate PCI bus number */ | |
601 | if (MSB(req->rid)) | |
602 | options |= BIT_4; | |
603 | /* Use alternate PCI devfn */ | |
604 | if (LSB(req->rid)) | |
605 | options |= BIT_5; | |
606 | req->options = options; | |
2afa19a9 AC |
607 | |
608 | for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) | |
609 | req->outstanding_cmds[cnt] = NULL; | |
610 | req->current_outstanding_cmd = 1; | |
611 | ||
73208dfd AC |
612 | req->ring_ptr = req->ring; |
613 | req->ring_index = 0; | |
614 | req->cnt = req->length; | |
615 | req->id = que_id; | |
08029990 | 616 | reg = ISP_QUE_REG(ha, que_id); |
29bdccbe | 617 | req->max_q_depth = ha->req_q_map[0]->max_q_depth; |
73208dfd AC |
618 | mutex_unlock(&ha->vport_lock); |
619 | ||
618a7523 | 620 | ret = qla25xx_init_req_que(base_vha, req); |
73208dfd AC |
621 | if (ret != QLA_SUCCESS) { |
622 | qla_printk(KERN_WARNING, ha, "%s failed\n", __func__); | |
623 | mutex_lock(&ha->vport_lock); | |
624 | clear_bit(que_id, ha->req_qid_map); | |
625 | mutex_unlock(&ha->vport_lock); | |
626 | goto que_failed; | |
627 | } | |
628 | ||
629 | return req->id; | |
630 | ||
631 | que_failed: | |
632 | qla25xx_free_req_que(base_vha, req); | |
c7922a91 | 633 | failed: |
73208dfd AC |
634 | return 0; |
635 | } | |
636 | ||
68ca949c AC |
637 | static void qla_do_work(struct work_struct *work) |
638 | { | |
a67093d4 | 639 | unsigned long flags; |
68ca949c AC |
640 | struct rsp_que *rsp = container_of(work, struct rsp_que, q_work); |
641 | struct scsi_qla_host *vha; | |
a67093d4 | 642 | struct qla_hw_data *ha = rsp->hw; |
68ca949c | 643 | |
a67093d4 AC |
644 | spin_lock_irqsave(&rsp->hw->hardware_lock, flags); |
645 | vha = pci_get_drvdata(ha->pdev); | |
68ca949c | 646 | qla24xx_process_response_queue(vha, rsp); |
a67093d4 | 647 | spin_unlock_irqrestore(&rsp->hw->hardware_lock, flags); |
68ca949c AC |
648 | } |
649 | ||
73208dfd AC |
650 | /* create response queue */ |
651 | int | |
652 | qla25xx_create_rsp_que(struct qla_hw_data *ha, uint16_t options, | |
2afa19a9 | 653 | uint8_t vp_idx, uint16_t rid, int req) |
73208dfd AC |
654 | { |
655 | int ret = 0; | |
656 | struct rsp_que *rsp = NULL; | |
657 | struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev); | |
08029990 AV |
658 | uint16_t que_id = 0; |
659 | device_reg_t __iomem *reg; | |
73208dfd AC |
660 | |
661 | rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL); | |
662 | if (rsp == NULL) { | |
663 | qla_printk(KERN_WARNING, ha, "could not allocate memory for" | |
664 | " response que\n"); | |
c7922a91 | 665 | goto failed; |
73208dfd AC |
666 | } |
667 | ||
2afa19a9 | 668 | rsp->length = RESPONSE_ENTRY_CNT_MQ; |
73208dfd AC |
669 | rsp->ring = dma_alloc_coherent(&ha->pdev->dev, |
670 | (rsp->length + 1) * sizeof(response_t), | |
671 | &rsp->dma, GFP_KERNEL); | |
672 | if (rsp->ring == NULL) { | |
673 | qla_printk(KERN_WARNING, ha, | |
674 | "Memory Allocation failed - response_ring\n"); | |
675 | goto que_failed; | |
676 | } | |
677 | ||
678 | mutex_lock(&ha->vport_lock); | |
2afa19a9 AC |
679 | que_id = find_first_zero_bit(ha->rsp_qid_map, ha->max_rsp_queues); |
680 | if (que_id >= ha->max_rsp_queues) { | |
73208dfd AC |
681 | mutex_unlock(&ha->vport_lock); |
682 | qla_printk(KERN_INFO, ha, "No resources to create " | |
683 | "additional response queue\n"); | |
684 | goto que_failed; | |
685 | } | |
686 | set_bit(que_id, ha->rsp_qid_map); | |
687 | ||
688 | if (ha->flags.msix_enabled) | |
689 | rsp->msix = &ha->msix_entries[que_id + 1]; | |
690 | else | |
691 | qla_printk(KERN_WARNING, ha, "msix not enabled\n"); | |
692 | ||
693 | ha->rsp_q_map[que_id] = rsp; | |
694 | rsp->rid = rid; | |
695 | rsp->vp_idx = vp_idx; | |
696 | rsp->hw = ha; | |
697 | /* Use alternate PCI bus number */ | |
698 | if (MSB(rsp->rid)) | |
699 | options |= BIT_4; | |
700 | /* Use alternate PCI devfn */ | |
701 | if (LSB(rsp->rid)) | |
702 | options |= BIT_5; | |
3155754a AC |
703 | /* Enable MSIX handshake mode on for uncapable adapters */ |
704 | if (!IS_MSIX_NACK_CAPABLE(ha)) | |
705 | options |= BIT_6; | |
706 | ||
73208dfd | 707 | rsp->options = options; |
73208dfd | 708 | rsp->id = que_id; |
08029990 AV |
709 | reg = ISP_QUE_REG(ha, que_id); |
710 | rsp->rsp_q_in = ®->isp25mq.rsp_q_in; | |
711 | rsp->rsp_q_out = ®->isp25mq.rsp_q_out; | |
73208dfd AC |
712 | mutex_unlock(&ha->vport_lock); |
713 | ||
714 | ret = qla25xx_request_irq(rsp); | |
715 | if (ret) | |
716 | goto que_failed; | |
717 | ||
618a7523 | 718 | ret = qla25xx_init_rsp_que(base_vha, rsp); |
73208dfd AC |
719 | if (ret != QLA_SUCCESS) { |
720 | qla_printk(KERN_WARNING, ha, "%s failed\n", __func__); | |
721 | mutex_lock(&ha->vport_lock); | |
722 | clear_bit(que_id, ha->rsp_qid_map); | |
723 | mutex_unlock(&ha->vport_lock); | |
724 | goto que_failed; | |
725 | } | |
2afa19a9 AC |
726 | if (req >= 0) |
727 | rsp->req = ha->req_q_map[req]; | |
728 | else | |
729 | rsp->req = NULL; | |
73208dfd AC |
730 | |
731 | qla2x00_init_response_q_entries(rsp); | |
68ca949c AC |
732 | if (rsp->hw->wq) |
733 | INIT_WORK(&rsp->q_work, qla_do_work); | |
73208dfd AC |
734 | return rsp->id; |
735 | ||
736 | que_failed: | |
737 | qla25xx_free_rsp_que(base_vha, rsp); | |
c7922a91 | 738 | failed: |
73208dfd AC |
739 | return 0; |
740 | } | |
741 | ||
742 | int | |
743 | qla25xx_create_queues(struct scsi_qla_host *vha, uint8_t qos) | |
744 | { | |
745 | uint16_t options = 0; | |
746 | uint8_t ret = 0; | |
747 | struct qla_hw_data *ha = vha->hw; | |
2afa19a9 | 748 | struct rsp_que *rsp; |
73208dfd AC |
749 | |
750 | options |= BIT_1; | |
2afa19a9 | 751 | ret = qla25xx_create_rsp_que(ha, options, vha->vp_idx, 0, -1); |
73208dfd AC |
752 | if (!ret) { |
753 | qla_printk(KERN_WARNING, ha, "Response Que create failed\n"); | |
754 | return ret; | |
755 | } else | |
756 | qla_printk(KERN_INFO, ha, "Response Que:%d created.\n", ret); | |
2afa19a9 | 757 | rsp = ha->rsp_q_map[ret]; |
73208dfd AC |
758 | |
759 | options = 0; | |
760 | if (qos & BIT_7) | |
761 | options |= BIT_8; | |
762 | ret = qla25xx_create_req_que(ha, options, vha->vp_idx, 0, ret, | |
763 | qos & ~BIT_7); | |
764 | if (ret) { | |
2afa19a9 | 765 | vha->req = ha->req_q_map[ret]; |
73208dfd AC |
766 | qla_printk(KERN_INFO, ha, "Request Que:%d created.\n", ret); |
767 | } else | |
768 | qla_printk(KERN_WARNING, ha, "Request Que create failed\n"); | |
2afa19a9 | 769 | rsp->req = ha->req_q_map[ret]; |
73208dfd AC |
770 | |
771 | return ret; | |
772 | } |