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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 | 44 | ha->num_vhosts++; |
711c1d91 | 45 | ha->cur_vport_count++; |
2c3dfe3f | 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--; | |
711c1d91 | 61 | ha->cur_vport_count--; |
eb66dc60 | 62 | clear_bit(vp_id, ha->vp_idx_map); |
7b867cf7 | 63 | list_del(&vha->list); |
6c2f527c | 64 | mutex_unlock(&ha->vport_lock); |
2c3dfe3f SJ |
65 | } |
66 | ||
a824ebb3 | 67 | static scsi_qla_host_t * |
7b867cf7 | 68 | qla24xx_find_vhost_by_name(struct qla_hw_data *ha, uint8_t *port_name) |
2c3dfe3f SJ |
69 | { |
70 | scsi_qla_host_t *vha; | |
ee546b6e | 71 | struct scsi_qla_host *tvha; |
2c3dfe3f SJ |
72 | |
73 | /* Locate matching device in database. */ | |
ee546b6e | 74 | list_for_each_entry_safe(vha, tvha, &ha->vp_list, list) { |
2c3dfe3f SJ |
75 | if (!memcmp(port_name, vha->port_name, WWN_SIZE)) |
76 | return vha; | |
77 | } | |
78 | return NULL; | |
79 | } | |
80 | ||
81 | /* | |
82 | * qla2x00_mark_vp_devices_dead | |
83 | * Updates fcport state when device goes offline. | |
84 | * | |
85 | * Input: | |
86 | * ha = adapter block pointer. | |
87 | * fcport = port structure pointer. | |
88 | * | |
89 | * Return: | |
90 | * None. | |
91 | * | |
92 | * Context: | |
93 | */ | |
26ff776d | 94 | static void |
2c3dfe3f SJ |
95 | qla2x00_mark_vp_devices_dead(scsi_qla_host_t *vha) |
96 | { | |
97 | fc_port_t *fcport; | |
2c3dfe3f | 98 | |
7b867cf7 | 99 | list_for_each_entry(fcport, &vha->vp_fcports, list) { |
2c3dfe3f SJ |
100 | DEBUG15(printk("scsi(%ld): Marking port dead, " |
101 | "loop_id=0x%04x :%x\n", | |
102 | vha->host_no, fcport->loop_id, fcport->vp_idx)); | |
103 | ||
73208dfd | 104 | atomic_set(&fcport->state, FCS_DEVICE_DEAD); |
2c3dfe3f | 105 | qla2x00_mark_device_lost(vha, fcport, 0, 0); |
c9c5ced9 | 106 | atomic_set(&fcport->state, FCS_UNCONFIGURED); |
2c3dfe3f SJ |
107 | } |
108 | } | |
109 | ||
110 | int | |
111 | qla24xx_disable_vp(scsi_qla_host_t *vha) | |
112 | { | |
113 | int ret; | |
114 | ||
115 | ret = qla24xx_control_vp(vha, VCE_COMMAND_DISABLE_VPS_LOGO_ALL); | |
116 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
117 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
118 | ||
2c3dfe3f SJ |
119 | qla2x00_mark_vp_devices_dead(vha); |
120 | atomic_set(&vha->vp_state, VP_FAILED); | |
121 | vha->flags.management_server_logged_in = 0; | |
122 | if (ret == QLA_SUCCESS) { | |
123 | fc_vport_set_state(vha->fc_vport, FC_VPORT_DISABLED); | |
124 | } else { | |
125 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
126 | return -1; | |
127 | } | |
128 | return 0; | |
129 | } | |
130 | ||
131 | int | |
132 | qla24xx_enable_vp(scsi_qla_host_t *vha) | |
133 | { | |
134 | int ret; | |
7b867cf7 AC |
135 | struct qla_hw_data *ha = vha->hw; |
136 | scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); | |
2c3dfe3f SJ |
137 | |
138 | /* Check if physical ha port is Up */ | |
7b867cf7 AC |
139 | if (atomic_read(&base_vha->loop_state) == LOOP_DOWN || |
140 | atomic_read(&base_vha->loop_state) == LOOP_DEAD) { | |
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 | ||
7b867cf7 AC |
238 | /* To exclusively reset vport, we need to log it out first.*/ |
239 | if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) | |
240 | qla24xx_control_vp(vha, VCE_COMMAND_DISABLE_VPS_LOGO_ALL); | |
241 | ||
2c3dfe3f SJ |
242 | DEBUG15(printk("scsi(%ld): Scheduling enable of Vport %d...\n", |
243 | vha->host_no, vha->vp_idx)); | |
7b867cf7 | 244 | return qla24xx_enable_vp(vha); |
2c3dfe3f SJ |
245 | } |
246 | ||
a824ebb3 | 247 | static int |
2c3dfe3f SJ |
248 | qla2x00_do_dpc_vp(scsi_qla_host_t *vha) |
249 | { | |
7b867cf7 AC |
250 | struct qla_hw_data *ha = vha->hw; |
251 | scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); | |
221726d4 | 252 | |
4b785241 LC |
253 | if (!(ha->current_topology & ISP_CFG_F)) |
254 | return 0; | |
255 | ||
ac280b67 AV |
256 | qla2x00_do_work(vha); |
257 | ||
2c3dfe3f SJ |
258 | if (test_and_clear_bit(VP_IDX_ACQUIRED, &vha->vp_flags)) { |
259 | /* VP acquired. complete port configuration */ | |
7b867cf7 | 260 | if (atomic_read(&base_vha->loop_state) == LOOP_READY) { |
221726d4 SJ |
261 | qla24xx_configure_vp(vha); |
262 | } else { | |
263 | set_bit(VP_IDX_ACQUIRED, &vha->vp_flags); | |
7b867cf7 | 264 | set_bit(VP_DPC_NEEDED, &base_vha->dpc_flags); |
221726d4 SJ |
265 | } |
266 | ||
2c3dfe3f SJ |
267 | return 0; |
268 | } | |
269 | ||
7b867cf7 AC |
270 | if (test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags)) { |
271 | qla2x00_update_fcports(vha); | |
272 | clear_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags); | |
273 | } | |
274 | ||
275 | if ((test_and_clear_bit(RELOGIN_NEEDED, &vha->dpc_flags)) && | |
276 | !test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) && | |
277 | atomic_read(&vha->loop_state) != LOOP_DOWN) { | |
278 | ||
279 | DEBUG(printk("scsi(%ld): qla2x00_port_login()\n", | |
280 | vha->host_no)); | |
281 | qla2x00_relogin(vha); | |
282 | ||
283 | DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n", | |
284 | vha->host_no)); | |
285 | } | |
2c3dfe3f SJ |
286 | |
287 | if (test_and_clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) && | |
288 | (!(test_and_set_bit(RESET_ACTIVE, &vha->dpc_flags)))) { | |
289 | clear_bit(RESET_ACTIVE, &vha->dpc_flags); | |
290 | } | |
291 | ||
73208dfd | 292 | if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) { |
2c3dfe3f SJ |
293 | if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags))) { |
294 | qla2x00_loop_resync(vha); | |
295 | clear_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags); | |
296 | } | |
297 | } | |
298 | ||
299 | return 0; | |
300 | } | |
301 | ||
302 | void | |
7b867cf7 | 303 | qla2x00_do_dpc_all_vps(scsi_qla_host_t *vha) |
2c3dfe3f SJ |
304 | { |
305 | int ret; | |
7b867cf7 AC |
306 | struct qla_hw_data *ha = vha->hw; |
307 | scsi_qla_host_t *vp; | |
ee546b6e | 308 | struct scsi_qla_host *tvp; |
2c3dfe3f | 309 | |
7b867cf7 | 310 | if (vha->vp_idx) |
2c3dfe3f SJ |
311 | return; |
312 | if (list_empty(&ha->vp_list)) | |
313 | return; | |
314 | ||
7b867cf7 | 315 | clear_bit(VP_DPC_NEEDED, &vha->dpc_flags); |
2c3dfe3f | 316 | |
ee546b6e | 317 | list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) { |
7b867cf7 AC |
318 | if (vp->vp_idx) |
319 | ret = qla2x00_do_dpc_vp(vp); | |
2c3dfe3f SJ |
320 | } |
321 | } | |
322 | ||
323 | int | |
324 | qla24xx_vport_create_req_sanity_check(struct fc_vport *fc_vport) | |
325 | { | |
7b867cf7 AC |
326 | scsi_qla_host_t *base_vha = shost_priv(fc_vport->shost); |
327 | struct qla_hw_data *ha = base_vha->hw; | |
2c3dfe3f SJ |
328 | scsi_qla_host_t *vha; |
329 | uint8_t port_name[WWN_SIZE]; | |
330 | ||
331 | if (fc_vport->roles != FC_PORT_ROLE_FCP_INITIATOR) | |
332 | return VPCERR_UNSUPPORTED; | |
333 | ||
334 | /* Check up the F/W and H/W support NPIV */ | |
335 | if (!ha->flags.npiv_supported) | |
336 | return VPCERR_UNSUPPORTED; | |
337 | ||
338 | /* Check up whether npiv supported switch presented */ | |
339 | if (!(ha->switch_cap & FLOGI_MID_SUPPORT)) | |
340 | return VPCERR_NO_FABRIC_SUPP; | |
341 | ||
342 | /* Check up unique WWPN */ | |
343 | u64_to_wwn(fc_vport->port_name, port_name); | |
7b867cf7 | 344 | if (!memcmp(port_name, base_vha->port_name, WWN_SIZE)) |
50db6b13 | 345 | return VPCERR_BAD_WWN; |
2c3dfe3f SJ |
346 | vha = qla24xx_find_vhost_by_name(ha, port_name); |
347 | if (vha) | |
348 | return VPCERR_BAD_WWN; | |
349 | ||
350 | /* Check up max-npiv-supports */ | |
351 | if (ha->num_vhosts > ha->max_npiv_vports) { | |
eb66dc60 | 352 | DEBUG15(printk("scsi(%ld): num_vhosts %ud is bigger than " |
7b867cf7 | 353 | "max_npv_vports %ud.\n", base_vha->host_no, |
eb66dc60 | 354 | ha->num_vhosts, ha->max_npiv_vports)); |
2c3dfe3f SJ |
355 | return VPCERR_UNSUPPORTED; |
356 | } | |
357 | return 0; | |
358 | } | |
359 | ||
360 | scsi_qla_host_t * | |
361 | qla24xx_create_vhost(struct fc_vport *fc_vport) | |
362 | { | |
7b867cf7 AC |
363 | scsi_qla_host_t *base_vha = shost_priv(fc_vport->shost); |
364 | struct qla_hw_data *ha = base_vha->hw; | |
2c3dfe3f | 365 | scsi_qla_host_t *vha; |
a5326f86 | 366 | struct scsi_host_template *sht = &qla2xxx_driver_template; |
2c3dfe3f SJ |
367 | struct Scsi_Host *host; |
368 | ||
7b867cf7 AC |
369 | vha = qla2x00_create_host(sht, ha); |
370 | if (!vha) { | |
371 | DEBUG(printk("qla2xxx: scsi_host_alloc() failed for vport\n")); | |
2c3dfe3f SJ |
372 | return(NULL); |
373 | } | |
374 | ||
7b867cf7 | 375 | host = vha->host; |
2c3dfe3f | 376 | fc_vport->dd_data = vha; |
2c3dfe3f SJ |
377 | /* New host info */ |
378 | u64_to_wwn(fc_vport->node_name, vha->node_name); | |
379 | u64_to_wwn(fc_vport->port_name, vha->port_name); | |
380 | ||
2c3dfe3f SJ |
381 | vha->fc_vport = fc_vport; |
382 | vha->device_flags = 0; | |
2c3dfe3f SJ |
383 | vha->vp_idx = qla24xx_allocate_vp_id(vha); |
384 | if (vha->vp_idx > ha->max_npiv_vports) { | |
385 | DEBUG15(printk("scsi(%ld): Couldn't allocate vp_id.\n", | |
386 | vha->host_no)); | |
7b867cf7 | 387 | goto create_vhost_failed; |
2c3dfe3f SJ |
388 | } |
389 | vha->mgmt_svr_loop_id = 10 + vha->vp_idx; | |
390 | ||
2c3dfe3f SJ |
391 | vha->dpc_flags = 0L; |
392 | set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); | |
393 | set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); | |
394 | ||
395 | /* | |
396 | * To fix the issue of processing a parent's RSCN for the vport before | |
397 | * its SCR is complete. | |
398 | */ | |
399 | set_bit(VP_SCR_NEEDED, &vha->vp_flags); | |
400 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
401 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
402 | ||
403 | qla2x00_start_timer(vha, qla2x00_timer, WATCH_INTERVAL); | |
404 | ||
2afa19a9 AC |
405 | vha->req = base_vha->req; |
406 | host->can_queue = base_vha->req->length + 128; | |
2c3dfe3f SJ |
407 | host->this_id = 255; |
408 | host->cmd_per_lun = 3; | |
409 | host->max_cmd_len = MAX_CMDSZ; | |
410 | host->max_channel = MAX_BUSES - 1; | |
411 | host->max_lun = MAX_LUNS; | |
711c1d91 | 412 | host->unique_id = host->host_no; |
2c3dfe3f SJ |
413 | host->max_id = MAX_TARGETS_2200; |
414 | host->transportt = qla2xxx_transport_vport_template; | |
415 | ||
416 | DEBUG15(printk("DEBUG: detect vport hba %ld at address = %p\n", | |
417 | vha->host_no, vha)); | |
418 | ||
419 | vha->flags.init_done = 1; | |
2c3dfe3f SJ |
420 | |
421 | return vha; | |
422 | ||
7b867cf7 | 423 | create_vhost_failed: |
2c3dfe3f SJ |
424 | return NULL; |
425 | } | |
73208dfd AC |
426 | |
427 | static void | |
428 | qla25xx_free_req_que(struct scsi_qla_host *vha, struct req_que *req) | |
429 | { | |
430 | struct qla_hw_data *ha = vha->hw; | |
431 | uint16_t que_id = req->id; | |
432 | ||
433 | dma_free_coherent(&ha->pdev->dev, (req->length + 1) * | |
434 | sizeof(request_t), req->ring, req->dma); | |
435 | req->ring = NULL; | |
436 | req->dma = 0; | |
437 | if (que_id) { | |
438 | ha->req_q_map[que_id] = NULL; | |
439 | mutex_lock(&ha->vport_lock); | |
440 | clear_bit(que_id, ha->req_qid_map); | |
441 | mutex_unlock(&ha->vport_lock); | |
442 | } | |
443 | kfree(req); | |
444 | req = NULL; | |
445 | } | |
446 | ||
447 | static void | |
448 | qla25xx_free_rsp_que(struct scsi_qla_host *vha, struct rsp_que *rsp) | |
449 | { | |
450 | struct qla_hw_data *ha = vha->hw; | |
451 | uint16_t que_id = rsp->id; | |
452 | ||
453 | if (rsp->msix && rsp->msix->have_irq) { | |
454 | free_irq(rsp->msix->vector, rsp); | |
455 | rsp->msix->have_irq = 0; | |
456 | rsp->msix->rsp = NULL; | |
457 | } | |
458 | dma_free_coherent(&ha->pdev->dev, (rsp->length + 1) * | |
459 | sizeof(response_t), rsp->ring, rsp->dma); | |
460 | rsp->ring = NULL; | |
461 | rsp->dma = 0; | |
462 | if (que_id) { | |
463 | ha->rsp_q_map[que_id] = NULL; | |
464 | mutex_lock(&ha->vport_lock); | |
465 | clear_bit(que_id, ha->rsp_qid_map); | |
466 | mutex_unlock(&ha->vport_lock); | |
467 | } | |
468 | kfree(rsp); | |
469 | rsp = NULL; | |
470 | } | |
471 | ||
472 | int | |
473 | qla25xx_delete_req_que(struct scsi_qla_host *vha, struct req_que *req) | |
474 | { | |
475 | int ret = -1; | |
476 | ||
477 | if (req) { | |
478 | req->options |= BIT_0; | |
618a7523 | 479 | ret = qla25xx_init_req_que(vha, req); |
73208dfd AC |
480 | } |
481 | if (ret == QLA_SUCCESS) | |
482 | qla25xx_free_req_que(vha, req); | |
483 | ||
484 | return ret; | |
485 | } | |
486 | ||
487 | int | |
488 | qla25xx_delete_rsp_que(struct scsi_qla_host *vha, struct rsp_que *rsp) | |
489 | { | |
490 | int ret = -1; | |
491 | ||
492 | if (rsp) { | |
493 | rsp->options |= BIT_0; | |
618a7523 | 494 | ret = qla25xx_init_rsp_que(vha, rsp); |
73208dfd AC |
495 | } |
496 | if (ret == QLA_SUCCESS) | |
497 | qla25xx_free_rsp_que(vha, rsp); | |
498 | ||
499 | return ret; | |
500 | } | |
501 | ||
502 | int qla25xx_update_req_que(struct scsi_qla_host *vha, uint8_t que, uint8_t qos) | |
503 | { | |
504 | int ret = 0; | |
505 | struct qla_hw_data *ha = vha->hw; | |
506 | struct req_que *req = ha->req_q_map[que]; | |
507 | ||
508 | req->options |= BIT_3; | |
509 | req->qos = qos; | |
618a7523 | 510 | ret = qla25xx_init_req_que(vha, req); |
73208dfd AC |
511 | if (ret != QLA_SUCCESS) |
512 | DEBUG2_17(printk(KERN_WARNING "%s failed\n", __func__)); | |
513 | /* restore options bit */ | |
514 | req->options &= ~BIT_3; | |
515 | return ret; | |
516 | } | |
517 | ||
518 | ||
519 | /* Delete all queues for a given vhost */ | |
520 | int | |
2afa19a9 | 521 | qla25xx_delete_queues(struct scsi_qla_host *vha) |
73208dfd AC |
522 | { |
523 | int cnt, ret = 0; | |
524 | struct req_que *req = NULL; | |
525 | struct rsp_que *rsp = NULL; | |
526 | struct qla_hw_data *ha = vha->hw; | |
527 | ||
2afa19a9 AC |
528 | /* Delete request queues */ |
529 | for (cnt = 1; cnt < ha->max_req_queues; cnt++) { | |
530 | req = ha->req_q_map[cnt]; | |
73208dfd | 531 | if (req) { |
73208dfd AC |
532 | ret = qla25xx_delete_req_que(vha, req); |
533 | if (ret != QLA_SUCCESS) { | |
534 | qla_printk(KERN_WARNING, ha, | |
2afa19a9 AC |
535 | "Couldn't delete req que %d\n", |
536 | req->id); | |
73208dfd AC |
537 | return ret; |
538 | } | |
73208dfd | 539 | } |
2afa19a9 AC |
540 | } |
541 | ||
542 | /* Delete response queues */ | |
543 | for (cnt = 1; cnt < ha->max_rsp_queues; cnt++) { | |
544 | rsp = ha->rsp_q_map[cnt]; | |
545 | if (rsp) { | |
546 | ret = qla25xx_delete_rsp_que(vha, rsp); | |
547 | if (ret != QLA_SUCCESS) { | |
548 | qla_printk(KERN_WARNING, ha, | |
549 | "Couldn't delete rsp que %d\n", | |
550 | rsp->id); | |
551 | return ret; | |
73208dfd AC |
552 | } |
553 | } | |
554 | } | |
73208dfd AC |
555 | return ret; |
556 | } | |
557 | ||
558 | int | |
559 | qla25xx_create_req_que(struct qla_hw_data *ha, uint16_t options, | |
2afa19a9 | 560 | uint8_t vp_idx, uint16_t rid, int rsp_que, uint8_t qos) |
73208dfd AC |
561 | { |
562 | int ret = 0; | |
563 | struct req_que *req = NULL; | |
564 | struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev); | |
565 | uint16_t que_id = 0; | |
08029990 | 566 | device_reg_t __iomem *reg; |
2afa19a9 | 567 | uint32_t cnt; |
73208dfd AC |
568 | |
569 | req = kzalloc(sizeof(struct req_que), GFP_KERNEL); | |
570 | if (req == NULL) { | |
571 | qla_printk(KERN_WARNING, ha, "could not allocate memory" | |
572 | "for request que\n"); | |
573 | goto que_failed; | |
574 | } | |
575 | ||
576 | req->length = REQUEST_ENTRY_CNT_24XX; | |
577 | req->ring = dma_alloc_coherent(&ha->pdev->dev, | |
578 | (req->length + 1) * sizeof(request_t), | |
579 | &req->dma, GFP_KERNEL); | |
580 | if (req->ring == NULL) { | |
581 | qla_printk(KERN_WARNING, ha, | |
582 | "Memory Allocation failed - request_ring\n"); | |
583 | goto que_failed; | |
584 | } | |
585 | ||
586 | mutex_lock(&ha->vport_lock); | |
2afa19a9 AC |
587 | que_id = find_first_zero_bit(ha->req_qid_map, ha->max_req_queues); |
588 | if (que_id >= ha->max_req_queues) { | |
73208dfd AC |
589 | mutex_unlock(&ha->vport_lock); |
590 | qla_printk(KERN_INFO, ha, "No resources to create " | |
591 | "additional request queue\n"); | |
592 | goto que_failed; | |
593 | } | |
594 | set_bit(que_id, ha->req_qid_map); | |
595 | ha->req_q_map[que_id] = req; | |
596 | req->rid = rid; | |
597 | req->vp_idx = vp_idx; | |
598 | req->qos = qos; | |
599 | ||
2afa19a9 AC |
600 | if (rsp_que < 0) |
601 | req->rsp = NULL; | |
602 | else | |
73208dfd AC |
603 | req->rsp = ha->rsp_q_map[rsp_que]; |
604 | /* Use alternate PCI bus number */ | |
605 | if (MSB(req->rid)) | |
606 | options |= BIT_4; | |
607 | /* Use alternate PCI devfn */ | |
608 | if (LSB(req->rid)) | |
609 | options |= BIT_5; | |
610 | req->options = options; | |
2afa19a9 AC |
611 | |
612 | for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) | |
613 | req->outstanding_cmds[cnt] = NULL; | |
614 | req->current_outstanding_cmd = 1; | |
615 | ||
73208dfd AC |
616 | req->ring_ptr = req->ring; |
617 | req->ring_index = 0; | |
618 | req->cnt = req->length; | |
619 | req->id = que_id; | |
08029990 | 620 | reg = ISP_QUE_REG(ha, que_id); |
29bdccbe | 621 | req->max_q_depth = ha->req_q_map[0]->max_q_depth; |
73208dfd AC |
622 | mutex_unlock(&ha->vport_lock); |
623 | ||
618a7523 | 624 | ret = qla25xx_init_req_que(base_vha, req); |
73208dfd AC |
625 | if (ret != QLA_SUCCESS) { |
626 | qla_printk(KERN_WARNING, ha, "%s failed\n", __func__); | |
627 | mutex_lock(&ha->vport_lock); | |
628 | clear_bit(que_id, ha->req_qid_map); | |
629 | mutex_unlock(&ha->vport_lock); | |
630 | goto que_failed; | |
631 | } | |
632 | ||
633 | return req->id; | |
634 | ||
635 | que_failed: | |
636 | qla25xx_free_req_que(base_vha, req); | |
637 | return 0; | |
638 | } | |
639 | ||
68ca949c AC |
640 | static void qla_do_work(struct work_struct *work) |
641 | { | |
642 | struct rsp_que *rsp = container_of(work, struct rsp_que, q_work); | |
643 | struct scsi_qla_host *vha; | |
644 | ||
645 | vha = qla25xx_get_host(rsp); | |
646 | qla24xx_process_response_queue(vha, rsp); | |
647 | } | |
648 | ||
73208dfd AC |
649 | /* create response queue */ |
650 | int | |
651 | qla25xx_create_rsp_que(struct qla_hw_data *ha, uint16_t options, | |
2afa19a9 | 652 | uint8_t vp_idx, uint16_t rid, int req) |
73208dfd AC |
653 | { |
654 | int ret = 0; | |
655 | struct rsp_que *rsp = NULL; | |
656 | struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev); | |
08029990 AV |
657 | uint16_t que_id = 0; |
658 | device_reg_t __iomem *reg; | |
73208dfd AC |
659 | |
660 | rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL); | |
661 | if (rsp == NULL) { | |
662 | qla_printk(KERN_WARNING, ha, "could not allocate memory for" | |
663 | " response que\n"); | |
664 | goto que_failed; | |
665 | } | |
666 | ||
2afa19a9 | 667 | rsp->length = RESPONSE_ENTRY_CNT_MQ; |
73208dfd AC |
668 | rsp->ring = dma_alloc_coherent(&ha->pdev->dev, |
669 | (rsp->length + 1) * sizeof(response_t), | |
670 | &rsp->dma, GFP_KERNEL); | |
671 | if (rsp->ring == NULL) { | |
672 | qla_printk(KERN_WARNING, ha, | |
673 | "Memory Allocation failed - response_ring\n"); | |
674 | goto que_failed; | |
675 | } | |
676 | ||
677 | mutex_lock(&ha->vport_lock); | |
2afa19a9 AC |
678 | que_id = find_first_zero_bit(ha->rsp_qid_map, ha->max_rsp_queues); |
679 | if (que_id >= ha->max_rsp_queues) { | |
73208dfd AC |
680 | mutex_unlock(&ha->vport_lock); |
681 | qla_printk(KERN_INFO, ha, "No resources to create " | |
682 | "additional response queue\n"); | |
683 | goto que_failed; | |
684 | } | |
685 | set_bit(que_id, ha->rsp_qid_map); | |
686 | ||
687 | if (ha->flags.msix_enabled) | |
688 | rsp->msix = &ha->msix_entries[que_id + 1]; | |
689 | else | |
690 | qla_printk(KERN_WARNING, ha, "msix not enabled\n"); | |
691 | ||
692 | ha->rsp_q_map[que_id] = rsp; | |
693 | rsp->rid = rid; | |
694 | rsp->vp_idx = vp_idx; | |
695 | rsp->hw = ha; | |
696 | /* Use alternate PCI bus number */ | |
697 | if (MSB(rsp->rid)) | |
698 | options |= BIT_4; | |
699 | /* Use alternate PCI devfn */ | |
700 | if (LSB(rsp->rid)) | |
701 | options |= BIT_5; | |
702 | rsp->options = options; | |
73208dfd | 703 | rsp->id = que_id; |
08029990 AV |
704 | reg = ISP_QUE_REG(ha, que_id); |
705 | rsp->rsp_q_in = ®->isp25mq.rsp_q_in; | |
706 | rsp->rsp_q_out = ®->isp25mq.rsp_q_out; | |
73208dfd AC |
707 | mutex_unlock(&ha->vport_lock); |
708 | ||
709 | ret = qla25xx_request_irq(rsp); | |
710 | if (ret) | |
711 | goto que_failed; | |
712 | ||
618a7523 | 713 | ret = qla25xx_init_rsp_que(base_vha, rsp); |
73208dfd AC |
714 | if (ret != QLA_SUCCESS) { |
715 | qla_printk(KERN_WARNING, ha, "%s failed\n", __func__); | |
716 | mutex_lock(&ha->vport_lock); | |
717 | clear_bit(que_id, ha->rsp_qid_map); | |
718 | mutex_unlock(&ha->vport_lock); | |
719 | goto que_failed; | |
720 | } | |
2afa19a9 AC |
721 | if (req >= 0) |
722 | rsp->req = ha->req_q_map[req]; | |
723 | else | |
724 | rsp->req = NULL; | |
73208dfd AC |
725 | |
726 | qla2x00_init_response_q_entries(rsp); | |
68ca949c AC |
727 | if (rsp->hw->wq) |
728 | INIT_WORK(&rsp->q_work, qla_do_work); | |
73208dfd AC |
729 | return rsp->id; |
730 | ||
731 | que_failed: | |
732 | qla25xx_free_rsp_que(base_vha, rsp); | |
733 | return 0; | |
734 | } | |
735 | ||
736 | int | |
737 | qla25xx_create_queues(struct scsi_qla_host *vha, uint8_t qos) | |
738 | { | |
739 | uint16_t options = 0; | |
740 | uint8_t ret = 0; | |
741 | struct qla_hw_data *ha = vha->hw; | |
2afa19a9 | 742 | struct rsp_que *rsp; |
73208dfd AC |
743 | |
744 | options |= BIT_1; | |
2afa19a9 | 745 | ret = qla25xx_create_rsp_que(ha, options, vha->vp_idx, 0, -1); |
73208dfd AC |
746 | if (!ret) { |
747 | qla_printk(KERN_WARNING, ha, "Response Que create failed\n"); | |
748 | return ret; | |
749 | } else | |
750 | qla_printk(KERN_INFO, ha, "Response Que:%d created.\n", ret); | |
2afa19a9 | 751 | rsp = ha->rsp_q_map[ret]; |
73208dfd AC |
752 | |
753 | options = 0; | |
754 | if (qos & BIT_7) | |
755 | options |= BIT_8; | |
756 | ret = qla25xx_create_req_que(ha, options, vha->vp_idx, 0, ret, | |
757 | qos & ~BIT_7); | |
758 | if (ret) { | |
2afa19a9 | 759 | vha->req = ha->req_q_map[ret]; |
73208dfd AC |
760 | qla_printk(KERN_INFO, ha, "Request Que:%d created.\n", ret); |
761 | } else | |
762 | qla_printk(KERN_WARNING, ha, "Request Que create failed\n"); | |
2afa19a9 | 763 | rsp->req = ha->req_q_map[ret]; |
73208dfd AC |
764 | |
765 | return ret; | |
766 | } |