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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> | |
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 AC |
138 | if (atomic_read(&base_vha->loop_state) == LOOP_DOWN || |
139 | atomic_read(&base_vha->loop_state) == LOOP_DEAD) { | |
2c3dfe3f SJ |
140 | vha->vp_err_state = VP_ERR_PORTDWN; |
141 | fc_vport_set_state(vha->fc_vport, FC_VPORT_LINKDOWN); | |
142 | goto enable_failed; | |
143 | } | |
144 | ||
145 | /* Initialize the new vport unless it is a persistent port */ | |
6c2f527c | 146 | mutex_lock(&ha->vport_lock); |
2c3dfe3f | 147 | ret = qla24xx_modify_vp_config(vha); |
6c2f527c | 148 | mutex_unlock(&ha->vport_lock); |
2c3dfe3f SJ |
149 | |
150 | if (ret != QLA_SUCCESS) { | |
151 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
152 | goto enable_failed; | |
153 | } | |
154 | ||
155 | DEBUG15(qla_printk(KERN_INFO, ha, | |
156 | "Virtual port with id: %d - Enabled\n", vha->vp_idx)); | |
157 | return 0; | |
158 | ||
159 | enable_failed: | |
160 | DEBUG15(qla_printk(KERN_INFO, ha, | |
161 | "Virtual port with id: %d - Disabled\n", vha->vp_idx)); | |
162 | return 1; | |
163 | } | |
164 | ||
26ff776d | 165 | static void |
2c3dfe3f SJ |
166 | qla24xx_configure_vp(scsi_qla_host_t *vha) |
167 | { | |
168 | struct fc_vport *fc_vport; | |
169 | int ret; | |
170 | ||
171 | fc_vport = vha->fc_vport; | |
172 | ||
173 | DEBUG15(printk("scsi(%ld): %s: change request #3 for this host.\n", | |
174 | vha->host_no, __func__)); | |
175 | ret = qla2x00_send_change_request(vha, 0x3, vha->vp_idx); | |
176 | if (ret != QLA_SUCCESS) { | |
7b867cf7 AC |
177 | DEBUG15(qla_printk(KERN_ERR, vha->hw, "Failed to enable " |
178 | "receiving of RSCN requests: 0x%x\n", ret)); | |
2c3dfe3f SJ |
179 | return; |
180 | } else { | |
181 | /* Corresponds to SCR enabled */ | |
182 | clear_bit(VP_SCR_NEEDED, &vha->vp_flags); | |
183 | } | |
184 | ||
185 | vha->flags.online = 1; | |
186 | if (qla24xx_configure_vhba(vha)) | |
187 | return; | |
188 | ||
189 | atomic_set(&vha->vp_state, VP_ACTIVE); | |
190 | fc_vport_set_state(fc_vport, FC_VPORT_ACTIVE); | |
191 | } | |
192 | ||
193 | void | |
73208dfd | 194 | qla2x00_alert_all_vps(struct rsp_que *rsp, uint16_t *mb) |
2c3dfe3f | 195 | { |
ee546b6e | 196 | scsi_qla_host_t *vha, *tvha; |
73208dfd | 197 | struct qla_hw_data *ha = rsp->hw; |
7b867cf7 | 198 | int i = 0; |
2c3dfe3f | 199 | |
ee546b6e | 200 | list_for_each_entry_safe(vha, tvha, &ha->vp_list, list) { |
7b867cf7 | 201 | if (vha->vp_idx) { |
2c3dfe3f SJ |
202 | switch (mb[0]) { |
203 | case MBA_LIP_OCCURRED: | |
204 | case MBA_LOOP_UP: | |
205 | case MBA_LOOP_DOWN: | |
206 | case MBA_LIP_RESET: | |
207 | case MBA_POINT_TO_POINT: | |
208 | case MBA_CHG_IN_CONNECTION: | |
209 | case MBA_PORT_UPDATE: | |
210 | case MBA_RSCN_UPDATE: | |
211 | DEBUG15(printk("scsi(%ld)%s: Async_event for" | |
7b867cf7 AC |
212 | " VP[%d], mb = 0x%x, vha=%p\n", |
213 | vha->host_no, __func__, i, *mb, vha)); | |
73208dfd | 214 | qla2x00_async_event(vha, rsp, mb); |
2c3dfe3f SJ |
215 | break; |
216 | } | |
217 | } | |
7b867cf7 | 218 | i++; |
2c3dfe3f SJ |
219 | } |
220 | } | |
221 | ||
7b867cf7 | 222 | int |
2c3dfe3f SJ |
223 | qla2x00_vp_abort_isp(scsi_qla_host_t *vha) |
224 | { | |
225 | /* | |
226 | * Physical port will do most of the abort and recovery work. We can | |
227 | * just treat it as a loop down | |
228 | */ | |
229 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { | |
230 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
231 | qla2x00_mark_all_devices_lost(vha, 0); | |
232 | } else { | |
233 | if (!atomic_read(&vha->loop_down_timer)) | |
234 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
235 | } | |
236 | ||
0d6e61bc AV |
237 | /* |
238 | * To exclusively reset vport, we need to log it out first. Note: this | |
239 | * control_vp can fail if ISP reset is already issued, this is | |
240 | * expected, as the vp would be already logged out due to ISP reset. | |
241 | */ | |
7b867cf7 AC |
242 | if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) |
243 | qla24xx_control_vp(vha, VCE_COMMAND_DISABLE_VPS_LOGO_ALL); | |
244 | ||
2c3dfe3f SJ |
245 | DEBUG15(printk("scsi(%ld): Scheduling enable of Vport %d...\n", |
246 | vha->host_no, vha->vp_idx)); | |
7b867cf7 | 247 | return qla24xx_enable_vp(vha); |
2c3dfe3f SJ |
248 | } |
249 | ||
a824ebb3 | 250 | static int |
2c3dfe3f SJ |
251 | qla2x00_do_dpc_vp(scsi_qla_host_t *vha) |
252 | { | |
ac280b67 AV |
253 | qla2x00_do_work(vha); |
254 | ||
2c3dfe3f SJ |
255 | if (test_and_clear_bit(VP_IDX_ACQUIRED, &vha->vp_flags)) { |
256 | /* VP acquired. complete port configuration */ | |
0d6e61bc | 257 | qla24xx_configure_vp(vha); |
2c3dfe3f SJ |
258 | return 0; |
259 | } | |
260 | ||
7b867cf7 AC |
261 | if (test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags)) { |
262 | qla2x00_update_fcports(vha); | |
263 | clear_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags); | |
264 | } | |
265 | ||
266 | if ((test_and_clear_bit(RELOGIN_NEEDED, &vha->dpc_flags)) && | |
267 | !test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) && | |
268 | atomic_read(&vha->loop_state) != LOOP_DOWN) { | |
269 | ||
270 | DEBUG(printk("scsi(%ld): qla2x00_port_login()\n", | |
271 | vha->host_no)); | |
272 | qla2x00_relogin(vha); | |
273 | ||
274 | DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n", | |
275 | vha->host_no)); | |
276 | } | |
2c3dfe3f SJ |
277 | |
278 | if (test_and_clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) && | |
279 | (!(test_and_set_bit(RESET_ACTIVE, &vha->dpc_flags)))) { | |
280 | clear_bit(RESET_ACTIVE, &vha->dpc_flags); | |
281 | } | |
282 | ||
73208dfd | 283 | if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) { |
2c3dfe3f SJ |
284 | if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags))) { |
285 | qla2x00_loop_resync(vha); | |
286 | clear_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags); | |
287 | } | |
288 | } | |
289 | ||
290 | return 0; | |
291 | } | |
292 | ||
293 | void | |
7b867cf7 | 294 | qla2x00_do_dpc_all_vps(scsi_qla_host_t *vha) |
2c3dfe3f SJ |
295 | { |
296 | int ret; | |
7b867cf7 AC |
297 | struct qla_hw_data *ha = vha->hw; |
298 | scsi_qla_host_t *vp; | |
ee546b6e | 299 | struct scsi_qla_host *tvp; |
2c3dfe3f | 300 | |
7b867cf7 | 301 | if (vha->vp_idx) |
2c3dfe3f SJ |
302 | return; |
303 | if (list_empty(&ha->vp_list)) | |
304 | return; | |
305 | ||
7b867cf7 | 306 | clear_bit(VP_DPC_NEEDED, &vha->dpc_flags); |
2c3dfe3f | 307 | |
0d6e61bc AV |
308 | if (!(ha->current_topology & ISP_CFG_F)) |
309 | return; | |
310 | ||
ee546b6e | 311 | list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) { |
7b867cf7 AC |
312 | if (vp->vp_idx) |
313 | ret = qla2x00_do_dpc_vp(vp); | |
2c3dfe3f SJ |
314 | } |
315 | } | |
316 | ||
317 | int | |
318 | qla24xx_vport_create_req_sanity_check(struct fc_vport *fc_vport) | |
319 | { | |
7b867cf7 AC |
320 | scsi_qla_host_t *base_vha = shost_priv(fc_vport->shost); |
321 | struct qla_hw_data *ha = base_vha->hw; | |
2c3dfe3f SJ |
322 | scsi_qla_host_t *vha; |
323 | uint8_t port_name[WWN_SIZE]; | |
324 | ||
325 | if (fc_vport->roles != FC_PORT_ROLE_FCP_INITIATOR) | |
326 | return VPCERR_UNSUPPORTED; | |
327 | ||
328 | /* Check up the F/W and H/W support NPIV */ | |
329 | if (!ha->flags.npiv_supported) | |
330 | return VPCERR_UNSUPPORTED; | |
331 | ||
332 | /* Check up whether npiv supported switch presented */ | |
333 | if (!(ha->switch_cap & FLOGI_MID_SUPPORT)) | |
334 | return VPCERR_NO_FABRIC_SUPP; | |
335 | ||
336 | /* Check up unique WWPN */ | |
337 | u64_to_wwn(fc_vport->port_name, port_name); | |
7b867cf7 | 338 | if (!memcmp(port_name, base_vha->port_name, WWN_SIZE)) |
50db6b13 | 339 | return VPCERR_BAD_WWN; |
2c3dfe3f SJ |
340 | vha = qla24xx_find_vhost_by_name(ha, port_name); |
341 | if (vha) | |
342 | return VPCERR_BAD_WWN; | |
343 | ||
344 | /* Check up max-npiv-supports */ | |
345 | if (ha->num_vhosts > ha->max_npiv_vports) { | |
eb66dc60 | 346 | DEBUG15(printk("scsi(%ld): num_vhosts %ud is bigger than " |
7b867cf7 | 347 | "max_npv_vports %ud.\n", base_vha->host_no, |
eb66dc60 | 348 | ha->num_vhosts, ha->max_npiv_vports)); |
2c3dfe3f SJ |
349 | return VPCERR_UNSUPPORTED; |
350 | } | |
351 | return 0; | |
352 | } | |
353 | ||
354 | scsi_qla_host_t * | |
355 | qla24xx_create_vhost(struct fc_vport *fc_vport) | |
356 | { | |
7b867cf7 AC |
357 | scsi_qla_host_t *base_vha = shost_priv(fc_vport->shost); |
358 | struct qla_hw_data *ha = base_vha->hw; | |
2c3dfe3f | 359 | scsi_qla_host_t *vha; |
a5326f86 | 360 | struct scsi_host_template *sht = &qla2xxx_driver_template; |
2c3dfe3f SJ |
361 | struct Scsi_Host *host; |
362 | ||
7b867cf7 AC |
363 | vha = qla2x00_create_host(sht, ha); |
364 | if (!vha) { | |
365 | DEBUG(printk("qla2xxx: scsi_host_alloc() failed for vport\n")); | |
2c3dfe3f SJ |
366 | return(NULL); |
367 | } | |
368 | ||
7b867cf7 | 369 | host = vha->host; |
2c3dfe3f | 370 | fc_vport->dd_data = vha; |
2c3dfe3f SJ |
371 | /* New host info */ |
372 | u64_to_wwn(fc_vport->node_name, vha->node_name); | |
373 | u64_to_wwn(fc_vport->port_name, vha->port_name); | |
374 | ||
2c3dfe3f SJ |
375 | vha->fc_vport = fc_vport; |
376 | vha->device_flags = 0; | |
2c3dfe3f SJ |
377 | vha->vp_idx = qla24xx_allocate_vp_id(vha); |
378 | if (vha->vp_idx > ha->max_npiv_vports) { | |
379 | DEBUG15(printk("scsi(%ld): Couldn't allocate vp_id.\n", | |
380 | vha->host_no)); | |
7b867cf7 | 381 | goto create_vhost_failed; |
2c3dfe3f SJ |
382 | } |
383 | vha->mgmt_svr_loop_id = 10 + vha->vp_idx; | |
384 | ||
2c3dfe3f | 385 | vha->dpc_flags = 0L; |
2c3dfe3f SJ |
386 | |
387 | /* | |
388 | * To fix the issue of processing a parent's RSCN for the vport before | |
389 | * its SCR is complete. | |
390 | */ | |
391 | set_bit(VP_SCR_NEEDED, &vha->vp_flags); | |
392 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
393 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
394 | ||
395 | qla2x00_start_timer(vha, qla2x00_timer, WATCH_INTERVAL); | |
396 | ||
2afa19a9 AC |
397 | vha->req = base_vha->req; |
398 | host->can_queue = base_vha->req->length + 128; | |
2c3dfe3f SJ |
399 | host->this_id = 255; |
400 | host->cmd_per_lun = 3; | |
401 | host->max_cmd_len = MAX_CMDSZ; | |
402 | host->max_channel = MAX_BUSES - 1; | |
403 | host->max_lun = MAX_LUNS; | |
711c1d91 | 404 | host->unique_id = host->host_no; |
2c3dfe3f SJ |
405 | host->max_id = MAX_TARGETS_2200; |
406 | host->transportt = qla2xxx_transport_vport_template; | |
407 | ||
408 | DEBUG15(printk("DEBUG: detect vport hba %ld at address = %p\n", | |
409 | vha->host_no, vha)); | |
410 | ||
411 | vha->flags.init_done = 1; | |
2c3dfe3f | 412 | |
0d6e61bc AV |
413 | mutex_lock(&ha->vport_lock); |
414 | set_bit(vha->vp_idx, ha->vp_idx_map); | |
415 | ha->cur_vport_count++; | |
416 | mutex_unlock(&ha->vport_lock); | |
417 | ||
2c3dfe3f SJ |
418 | return vha; |
419 | ||
7b867cf7 | 420 | create_vhost_failed: |
2c3dfe3f SJ |
421 | return NULL; |
422 | } | |
73208dfd AC |
423 | |
424 | static void | |
425 | qla25xx_free_req_que(struct scsi_qla_host *vha, struct req_que *req) | |
426 | { | |
427 | struct qla_hw_data *ha = vha->hw; | |
428 | uint16_t que_id = req->id; | |
429 | ||
430 | dma_free_coherent(&ha->pdev->dev, (req->length + 1) * | |
431 | sizeof(request_t), req->ring, req->dma); | |
432 | req->ring = NULL; | |
433 | req->dma = 0; | |
434 | if (que_id) { | |
435 | ha->req_q_map[que_id] = NULL; | |
436 | mutex_lock(&ha->vport_lock); | |
437 | clear_bit(que_id, ha->req_qid_map); | |
438 | mutex_unlock(&ha->vport_lock); | |
439 | } | |
440 | kfree(req); | |
441 | req = NULL; | |
442 | } | |
443 | ||
444 | static void | |
445 | qla25xx_free_rsp_que(struct scsi_qla_host *vha, struct rsp_que *rsp) | |
446 | { | |
447 | struct qla_hw_data *ha = vha->hw; | |
448 | uint16_t que_id = rsp->id; | |
449 | ||
450 | if (rsp->msix && rsp->msix->have_irq) { | |
451 | free_irq(rsp->msix->vector, rsp); | |
452 | rsp->msix->have_irq = 0; | |
453 | rsp->msix->rsp = NULL; | |
454 | } | |
455 | dma_free_coherent(&ha->pdev->dev, (rsp->length + 1) * | |
456 | sizeof(response_t), rsp->ring, rsp->dma); | |
457 | rsp->ring = NULL; | |
458 | rsp->dma = 0; | |
459 | if (que_id) { | |
460 | ha->rsp_q_map[que_id] = NULL; | |
461 | mutex_lock(&ha->vport_lock); | |
462 | clear_bit(que_id, ha->rsp_qid_map); | |
463 | mutex_unlock(&ha->vport_lock); | |
464 | } | |
465 | kfree(rsp); | |
466 | rsp = NULL; | |
467 | } | |
468 | ||
469 | int | |
470 | qla25xx_delete_req_que(struct scsi_qla_host *vha, struct req_que *req) | |
471 | { | |
472 | int ret = -1; | |
473 | ||
474 | if (req) { | |
475 | req->options |= BIT_0; | |
618a7523 | 476 | ret = qla25xx_init_req_que(vha, req); |
73208dfd AC |
477 | } |
478 | if (ret == QLA_SUCCESS) | |
479 | qla25xx_free_req_que(vha, req); | |
480 | ||
481 | return ret; | |
482 | } | |
483 | ||
484 | int | |
485 | qla25xx_delete_rsp_que(struct scsi_qla_host *vha, struct rsp_que *rsp) | |
486 | { | |
487 | int ret = -1; | |
488 | ||
489 | if (rsp) { | |
490 | rsp->options |= BIT_0; | |
618a7523 | 491 | ret = qla25xx_init_rsp_que(vha, rsp); |
73208dfd AC |
492 | } |
493 | if (ret == QLA_SUCCESS) | |
494 | qla25xx_free_rsp_que(vha, rsp); | |
495 | ||
496 | return ret; | |
497 | } | |
498 | ||
499 | int qla25xx_update_req_que(struct scsi_qla_host *vha, uint8_t que, uint8_t qos) | |
500 | { | |
501 | int ret = 0; | |
502 | struct qla_hw_data *ha = vha->hw; | |
503 | struct req_que *req = ha->req_q_map[que]; | |
504 | ||
505 | req->options |= BIT_3; | |
506 | req->qos = qos; | |
618a7523 | 507 | ret = qla25xx_init_req_que(vha, req); |
73208dfd AC |
508 | if (ret != QLA_SUCCESS) |
509 | DEBUG2_17(printk(KERN_WARNING "%s failed\n", __func__)); | |
510 | /* restore options bit */ | |
511 | req->options &= ~BIT_3; | |
512 | return ret; | |
513 | } | |
514 | ||
515 | ||
516 | /* Delete all queues for a given vhost */ | |
517 | int | |
2afa19a9 | 518 | qla25xx_delete_queues(struct scsi_qla_host *vha) |
73208dfd AC |
519 | { |
520 | int cnt, ret = 0; | |
521 | struct req_que *req = NULL; | |
522 | struct rsp_que *rsp = NULL; | |
523 | struct qla_hw_data *ha = vha->hw; | |
524 | ||
2afa19a9 AC |
525 | /* Delete request queues */ |
526 | for (cnt = 1; cnt < ha->max_req_queues; cnt++) { | |
527 | req = ha->req_q_map[cnt]; | |
73208dfd | 528 | if (req) { |
73208dfd AC |
529 | ret = qla25xx_delete_req_que(vha, req); |
530 | if (ret != QLA_SUCCESS) { | |
531 | qla_printk(KERN_WARNING, ha, | |
2afa19a9 AC |
532 | "Couldn't delete req que %d\n", |
533 | req->id); | |
73208dfd AC |
534 | return ret; |
535 | } | |
73208dfd | 536 | } |
2afa19a9 AC |
537 | } |
538 | ||
539 | /* Delete response queues */ | |
540 | for (cnt = 1; cnt < ha->max_rsp_queues; cnt++) { | |
541 | rsp = ha->rsp_q_map[cnt]; | |
542 | if (rsp) { | |
543 | ret = qla25xx_delete_rsp_que(vha, rsp); | |
544 | if (ret != QLA_SUCCESS) { | |
545 | qla_printk(KERN_WARNING, ha, | |
546 | "Couldn't delete rsp que %d\n", | |
547 | rsp->id); | |
548 | return ret; | |
73208dfd AC |
549 | } |
550 | } | |
551 | } | |
73208dfd AC |
552 | return ret; |
553 | } | |
554 | ||
555 | int | |
556 | qla25xx_create_req_que(struct qla_hw_data *ha, uint16_t options, | |
2afa19a9 | 557 | uint8_t vp_idx, uint16_t rid, int rsp_que, uint8_t qos) |
73208dfd AC |
558 | { |
559 | int ret = 0; | |
560 | struct req_que *req = NULL; | |
561 | struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev); | |
562 | uint16_t que_id = 0; | |
08029990 | 563 | device_reg_t __iomem *reg; |
2afa19a9 | 564 | uint32_t cnt; |
73208dfd AC |
565 | |
566 | req = kzalloc(sizeof(struct req_que), GFP_KERNEL); | |
567 | if (req == NULL) { | |
568 | qla_printk(KERN_WARNING, ha, "could not allocate memory" | |
569 | "for request que\n"); | |
c7922a91 | 570 | goto failed; |
73208dfd AC |
571 | } |
572 | ||
573 | req->length = REQUEST_ENTRY_CNT_24XX; | |
574 | req->ring = dma_alloc_coherent(&ha->pdev->dev, | |
575 | (req->length + 1) * sizeof(request_t), | |
576 | &req->dma, GFP_KERNEL); | |
577 | if (req->ring == NULL) { | |
578 | qla_printk(KERN_WARNING, ha, | |
579 | "Memory Allocation failed - request_ring\n"); | |
580 | goto que_failed; | |
581 | } | |
582 | ||
583 | mutex_lock(&ha->vport_lock); | |
2afa19a9 AC |
584 | que_id = find_first_zero_bit(ha->req_qid_map, ha->max_req_queues); |
585 | if (que_id >= ha->max_req_queues) { | |
73208dfd AC |
586 | mutex_unlock(&ha->vport_lock); |
587 | qla_printk(KERN_INFO, ha, "No resources to create " | |
588 | "additional request queue\n"); | |
589 | goto que_failed; | |
590 | } | |
591 | set_bit(que_id, ha->req_qid_map); | |
592 | ha->req_q_map[que_id] = req; | |
593 | req->rid = rid; | |
594 | req->vp_idx = vp_idx; | |
595 | req->qos = qos; | |
596 | ||
2afa19a9 AC |
597 | if (rsp_que < 0) |
598 | req->rsp = NULL; | |
599 | else | |
73208dfd AC |
600 | req->rsp = ha->rsp_q_map[rsp_que]; |
601 | /* Use alternate PCI bus number */ | |
602 | if (MSB(req->rid)) | |
603 | options |= BIT_4; | |
604 | /* Use alternate PCI devfn */ | |
605 | if (LSB(req->rid)) | |
606 | options |= BIT_5; | |
607 | req->options = options; | |
2afa19a9 AC |
608 | |
609 | for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) | |
610 | req->outstanding_cmds[cnt] = NULL; | |
611 | req->current_outstanding_cmd = 1; | |
612 | ||
73208dfd AC |
613 | req->ring_ptr = req->ring; |
614 | req->ring_index = 0; | |
615 | req->cnt = req->length; | |
616 | req->id = que_id; | |
08029990 | 617 | reg = ISP_QUE_REG(ha, que_id); |
29bdccbe | 618 | req->max_q_depth = ha->req_q_map[0]->max_q_depth; |
73208dfd AC |
619 | mutex_unlock(&ha->vport_lock); |
620 | ||
618a7523 | 621 | ret = qla25xx_init_req_que(base_vha, req); |
73208dfd AC |
622 | if (ret != QLA_SUCCESS) { |
623 | qla_printk(KERN_WARNING, ha, "%s failed\n", __func__); | |
624 | mutex_lock(&ha->vport_lock); | |
625 | clear_bit(que_id, ha->req_qid_map); | |
626 | mutex_unlock(&ha->vport_lock); | |
627 | goto que_failed; | |
628 | } | |
629 | ||
630 | return req->id; | |
631 | ||
632 | que_failed: | |
633 | qla25xx_free_req_que(base_vha, req); | |
c7922a91 | 634 | failed: |
73208dfd AC |
635 | return 0; |
636 | } | |
637 | ||
68ca949c AC |
638 | static void qla_do_work(struct work_struct *work) |
639 | { | |
a67093d4 | 640 | unsigned long flags; |
68ca949c AC |
641 | struct rsp_que *rsp = container_of(work, struct rsp_que, q_work); |
642 | struct scsi_qla_host *vha; | |
a67093d4 | 643 | struct qla_hw_data *ha = rsp->hw; |
68ca949c | 644 | |
a67093d4 AC |
645 | spin_lock_irqsave(&rsp->hw->hardware_lock, flags); |
646 | vha = pci_get_drvdata(ha->pdev); | |
68ca949c | 647 | qla24xx_process_response_queue(vha, rsp); |
a67093d4 | 648 | spin_unlock_irqrestore(&rsp->hw->hardware_lock, flags); |
68ca949c AC |
649 | } |
650 | ||
73208dfd AC |
651 | /* create response queue */ |
652 | int | |
653 | qla25xx_create_rsp_que(struct qla_hw_data *ha, uint16_t options, | |
2afa19a9 | 654 | uint8_t vp_idx, uint16_t rid, int req) |
73208dfd AC |
655 | { |
656 | int ret = 0; | |
657 | struct rsp_que *rsp = NULL; | |
658 | struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev); | |
08029990 AV |
659 | uint16_t que_id = 0; |
660 | device_reg_t __iomem *reg; | |
73208dfd AC |
661 | |
662 | rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL); | |
663 | if (rsp == NULL) { | |
664 | qla_printk(KERN_WARNING, ha, "could not allocate memory for" | |
665 | " response que\n"); | |
c7922a91 | 666 | goto failed; |
73208dfd AC |
667 | } |
668 | ||
2afa19a9 | 669 | rsp->length = RESPONSE_ENTRY_CNT_MQ; |
73208dfd AC |
670 | rsp->ring = dma_alloc_coherent(&ha->pdev->dev, |
671 | (rsp->length + 1) * sizeof(response_t), | |
672 | &rsp->dma, GFP_KERNEL); | |
673 | if (rsp->ring == NULL) { | |
674 | qla_printk(KERN_WARNING, ha, | |
675 | "Memory Allocation failed - response_ring\n"); | |
676 | goto que_failed; | |
677 | } | |
678 | ||
679 | mutex_lock(&ha->vport_lock); | |
2afa19a9 AC |
680 | que_id = find_first_zero_bit(ha->rsp_qid_map, ha->max_rsp_queues); |
681 | if (que_id >= ha->max_rsp_queues) { | |
73208dfd AC |
682 | mutex_unlock(&ha->vport_lock); |
683 | qla_printk(KERN_INFO, ha, "No resources to create " | |
684 | "additional response queue\n"); | |
685 | goto que_failed; | |
686 | } | |
687 | set_bit(que_id, ha->rsp_qid_map); | |
688 | ||
689 | if (ha->flags.msix_enabled) | |
690 | rsp->msix = &ha->msix_entries[que_id + 1]; | |
691 | else | |
692 | qla_printk(KERN_WARNING, ha, "msix not enabled\n"); | |
693 | ||
694 | ha->rsp_q_map[que_id] = rsp; | |
695 | rsp->rid = rid; | |
696 | rsp->vp_idx = vp_idx; | |
697 | rsp->hw = ha; | |
698 | /* Use alternate PCI bus number */ | |
699 | if (MSB(rsp->rid)) | |
700 | options |= BIT_4; | |
701 | /* Use alternate PCI devfn */ | |
702 | if (LSB(rsp->rid)) | |
703 | options |= BIT_5; | |
3155754a AC |
704 | /* Enable MSIX handshake mode on for uncapable adapters */ |
705 | if (!IS_MSIX_NACK_CAPABLE(ha)) | |
706 | options |= BIT_6; | |
707 | ||
73208dfd | 708 | rsp->options = options; |
73208dfd | 709 | rsp->id = que_id; |
08029990 AV |
710 | reg = ISP_QUE_REG(ha, que_id); |
711 | rsp->rsp_q_in = ®->isp25mq.rsp_q_in; | |
712 | rsp->rsp_q_out = ®->isp25mq.rsp_q_out; | |
73208dfd AC |
713 | mutex_unlock(&ha->vport_lock); |
714 | ||
715 | ret = qla25xx_request_irq(rsp); | |
716 | if (ret) | |
717 | goto que_failed; | |
718 | ||
618a7523 | 719 | ret = qla25xx_init_rsp_que(base_vha, rsp); |
73208dfd AC |
720 | if (ret != QLA_SUCCESS) { |
721 | qla_printk(KERN_WARNING, ha, "%s failed\n", __func__); | |
722 | mutex_lock(&ha->vport_lock); | |
723 | clear_bit(que_id, ha->rsp_qid_map); | |
724 | mutex_unlock(&ha->vport_lock); | |
725 | goto que_failed; | |
726 | } | |
2afa19a9 AC |
727 | if (req >= 0) |
728 | rsp->req = ha->req_q_map[req]; | |
729 | else | |
730 | rsp->req = NULL; | |
73208dfd AC |
731 | |
732 | qla2x00_init_response_q_entries(rsp); | |
68ca949c AC |
733 | if (rsp->hw->wq) |
734 | INIT_WORK(&rsp->q_work, qla_do_work); | |
73208dfd AC |
735 | return rsp->id; |
736 | ||
737 | que_failed: | |
738 | qla25xx_free_rsp_que(base_vha, rsp); | |
c7922a91 | 739 | failed: |
73208dfd AC |
740 | return 0; |
741 | } | |
742 | ||
743 | int | |
744 | qla25xx_create_queues(struct scsi_qla_host *vha, uint8_t qos) | |
745 | { | |
746 | uint16_t options = 0; | |
747 | uint8_t ret = 0; | |
748 | struct qla_hw_data *ha = vha->hw; | |
2afa19a9 | 749 | struct rsp_que *rsp; |
73208dfd AC |
750 | |
751 | options |= BIT_1; | |
2afa19a9 | 752 | ret = qla25xx_create_rsp_que(ha, options, vha->vp_idx, 0, -1); |
73208dfd AC |
753 | if (!ret) { |
754 | qla_printk(KERN_WARNING, ha, "Response Que create failed\n"); | |
755 | return ret; | |
756 | } else | |
757 | qla_printk(KERN_INFO, ha, "Response Que:%d created.\n", ret); | |
2afa19a9 | 758 | rsp = ha->rsp_q_map[ret]; |
73208dfd AC |
759 | |
760 | options = 0; | |
761 | if (qos & BIT_7) | |
762 | options |= BIT_8; | |
763 | ret = qla25xx_create_req_que(ha, options, vha->vp_idx, 0, ret, | |
764 | qos & ~BIT_7); | |
765 | if (ret) { | |
2afa19a9 | 766 | vha->req = ha->req_q_map[ret]; |
73208dfd AC |
767 | qla_printk(KERN_INFO, ha, "Request Que:%d created.\n", ret); |
768 | } else | |
769 | qla_printk(KERN_WARNING, ha, "Request Que create failed\n"); | |
2afa19a9 | 770 | rsp->req = ha->req_q_map[ret]; |
73208dfd AC |
771 | |
772 | return ret; | |
773 | } |