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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> | |
12 | #include <linux/smp_lock.h> | |
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 | 45 | ha->num_vhosts++; |
711c1d91 | 46 | ha->cur_vport_count++; |
2c3dfe3f | 47 | vha->vp_idx = vp_id; |
7b867cf7 | 48 | list_add_tail(&vha->list, &ha->vp_list); |
6c2f527c | 49 | mutex_unlock(&ha->vport_lock); |
2c3dfe3f SJ |
50 | return vp_id; |
51 | } | |
52 | ||
53 | void | |
54 | qla24xx_deallocate_vp_id(scsi_qla_host_t *vha) | |
55 | { | |
56 | uint16_t vp_id; | |
7b867cf7 | 57 | struct qla_hw_data *ha = vha->hw; |
2c3dfe3f | 58 | |
6c2f527c | 59 | mutex_lock(&ha->vport_lock); |
2c3dfe3f SJ |
60 | vp_id = vha->vp_idx; |
61 | ha->num_vhosts--; | |
711c1d91 | 62 | ha->cur_vport_count--; |
eb66dc60 | 63 | clear_bit(vp_id, ha->vp_idx_map); |
7b867cf7 | 64 | list_del(&vha->list); |
6c2f527c | 65 | mutex_unlock(&ha->vport_lock); |
2c3dfe3f SJ |
66 | } |
67 | ||
a824ebb3 | 68 | static scsi_qla_host_t * |
7b867cf7 | 69 | qla24xx_find_vhost_by_name(struct qla_hw_data *ha, uint8_t *port_name) |
2c3dfe3f SJ |
70 | { |
71 | scsi_qla_host_t *vha; | |
ee546b6e | 72 | struct scsi_qla_host *tvha; |
2c3dfe3f SJ |
73 | |
74 | /* Locate matching device in database. */ | |
ee546b6e | 75 | list_for_each_entry_safe(vha, tvha, &ha->vp_list, list) { |
2c3dfe3f SJ |
76 | if (!memcmp(port_name, vha->port_name, WWN_SIZE)) |
77 | return vha; | |
78 | } | |
79 | return NULL; | |
80 | } | |
81 | ||
82 | /* | |
83 | * qla2x00_mark_vp_devices_dead | |
84 | * Updates fcport state when device goes offline. | |
85 | * | |
86 | * Input: | |
87 | * ha = adapter block pointer. | |
88 | * fcport = port structure pointer. | |
89 | * | |
90 | * Return: | |
91 | * None. | |
92 | * | |
93 | * Context: | |
94 | */ | |
26ff776d | 95 | static void |
2c3dfe3f SJ |
96 | qla2x00_mark_vp_devices_dead(scsi_qla_host_t *vha) |
97 | { | |
98 | fc_port_t *fcport; | |
2c3dfe3f | 99 | |
7b867cf7 | 100 | list_for_each_entry(fcport, &vha->vp_fcports, list) { |
2c3dfe3f SJ |
101 | DEBUG15(printk("scsi(%ld): Marking port dead, " |
102 | "loop_id=0x%04x :%x\n", | |
103 | vha->host_no, fcport->loop_id, fcport->vp_idx)); | |
104 | ||
73208dfd | 105 | atomic_set(&fcport->state, FCS_DEVICE_DEAD); |
2c3dfe3f | 106 | qla2x00_mark_device_lost(vha, fcport, 0, 0); |
c9c5ced9 | 107 | atomic_set(&fcport->state, FCS_UNCONFIGURED); |
2c3dfe3f SJ |
108 | } |
109 | } | |
110 | ||
111 | int | |
112 | qla24xx_disable_vp(scsi_qla_host_t *vha) | |
113 | { | |
114 | int ret; | |
115 | ||
116 | ret = qla24xx_control_vp(vha, VCE_COMMAND_DISABLE_VPS_LOGO_ALL); | |
117 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
118 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
119 | ||
2c3dfe3f SJ |
120 | qla2x00_mark_vp_devices_dead(vha); |
121 | atomic_set(&vha->vp_state, VP_FAILED); | |
122 | vha->flags.management_server_logged_in = 0; | |
123 | if (ret == QLA_SUCCESS) { | |
124 | fc_vport_set_state(vha->fc_vport, FC_VPORT_DISABLED); | |
125 | } else { | |
126 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
127 | return -1; | |
128 | } | |
129 | return 0; | |
130 | } | |
131 | ||
132 | int | |
133 | qla24xx_enable_vp(scsi_qla_host_t *vha) | |
134 | { | |
135 | int ret; | |
7b867cf7 AC |
136 | struct qla_hw_data *ha = vha->hw; |
137 | scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); | |
2c3dfe3f SJ |
138 | |
139 | /* Check if physical ha port is Up */ | |
7b867cf7 AC |
140 | if (atomic_read(&base_vha->loop_state) == LOOP_DOWN || |
141 | atomic_read(&base_vha->loop_state) == LOOP_DEAD) { | |
2c3dfe3f SJ |
142 | vha->vp_err_state = VP_ERR_PORTDWN; |
143 | fc_vport_set_state(vha->fc_vport, FC_VPORT_LINKDOWN); | |
144 | goto enable_failed; | |
145 | } | |
146 | ||
147 | /* Initialize the new vport unless it is a persistent port */ | |
6c2f527c | 148 | mutex_lock(&ha->vport_lock); |
2c3dfe3f | 149 | ret = qla24xx_modify_vp_config(vha); |
6c2f527c | 150 | mutex_unlock(&ha->vport_lock); |
2c3dfe3f SJ |
151 | |
152 | if (ret != QLA_SUCCESS) { | |
153 | fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); | |
154 | goto enable_failed; | |
155 | } | |
156 | ||
157 | DEBUG15(qla_printk(KERN_INFO, ha, | |
158 | "Virtual port with id: %d - Enabled\n", vha->vp_idx)); | |
159 | return 0; | |
160 | ||
161 | enable_failed: | |
162 | DEBUG15(qla_printk(KERN_INFO, ha, | |
163 | "Virtual port with id: %d - Disabled\n", vha->vp_idx)); | |
164 | return 1; | |
165 | } | |
166 | ||
26ff776d | 167 | static void |
2c3dfe3f SJ |
168 | qla24xx_configure_vp(scsi_qla_host_t *vha) |
169 | { | |
170 | struct fc_vport *fc_vport; | |
171 | int ret; | |
172 | ||
173 | fc_vport = vha->fc_vport; | |
174 | ||
175 | DEBUG15(printk("scsi(%ld): %s: change request #3 for this host.\n", | |
176 | vha->host_no, __func__)); | |
177 | ret = qla2x00_send_change_request(vha, 0x3, vha->vp_idx); | |
178 | if (ret != QLA_SUCCESS) { | |
7b867cf7 AC |
179 | DEBUG15(qla_printk(KERN_ERR, vha->hw, "Failed to enable " |
180 | "receiving of RSCN requests: 0x%x\n", ret)); | |
2c3dfe3f SJ |
181 | return; |
182 | } else { | |
183 | /* Corresponds to SCR enabled */ | |
184 | clear_bit(VP_SCR_NEEDED, &vha->vp_flags); | |
185 | } | |
186 | ||
187 | vha->flags.online = 1; | |
188 | if (qla24xx_configure_vhba(vha)) | |
189 | return; | |
190 | ||
191 | atomic_set(&vha->vp_state, VP_ACTIVE); | |
192 | fc_vport_set_state(fc_vport, FC_VPORT_ACTIVE); | |
193 | } | |
194 | ||
195 | void | |
73208dfd | 196 | qla2x00_alert_all_vps(struct rsp_que *rsp, uint16_t *mb) |
2c3dfe3f | 197 | { |
ee546b6e | 198 | scsi_qla_host_t *vha, *tvha; |
73208dfd | 199 | struct qla_hw_data *ha = rsp->hw; |
7b867cf7 | 200 | int i = 0; |
2c3dfe3f | 201 | |
ee546b6e | 202 | list_for_each_entry_safe(vha, tvha, &ha->vp_list, list) { |
7b867cf7 | 203 | if (vha->vp_idx) { |
2c3dfe3f SJ |
204 | switch (mb[0]) { |
205 | case MBA_LIP_OCCURRED: | |
206 | case MBA_LOOP_UP: | |
207 | case MBA_LOOP_DOWN: | |
208 | case MBA_LIP_RESET: | |
209 | case MBA_POINT_TO_POINT: | |
210 | case MBA_CHG_IN_CONNECTION: | |
211 | case MBA_PORT_UPDATE: | |
212 | case MBA_RSCN_UPDATE: | |
213 | DEBUG15(printk("scsi(%ld)%s: Async_event for" | |
7b867cf7 AC |
214 | " VP[%d], mb = 0x%x, vha=%p\n", |
215 | vha->host_no, __func__, i, *mb, vha)); | |
73208dfd | 216 | qla2x00_async_event(vha, rsp, mb); |
2c3dfe3f SJ |
217 | break; |
218 | } | |
219 | } | |
7b867cf7 | 220 | i++; |
2c3dfe3f SJ |
221 | } |
222 | } | |
223 | ||
7b867cf7 | 224 | int |
2c3dfe3f SJ |
225 | qla2x00_vp_abort_isp(scsi_qla_host_t *vha) |
226 | { | |
227 | /* | |
228 | * Physical port will do most of the abort and recovery work. We can | |
229 | * just treat it as a loop down | |
230 | */ | |
231 | if (atomic_read(&vha->loop_state) != LOOP_DOWN) { | |
232 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
233 | qla2x00_mark_all_devices_lost(vha, 0); | |
234 | } else { | |
235 | if (!atomic_read(&vha->loop_down_timer)) | |
236 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
237 | } | |
238 | ||
7b867cf7 AC |
239 | /* To exclusively reset vport, we need to log it out first.*/ |
240 | if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) | |
241 | qla24xx_control_vp(vha, VCE_COMMAND_DISABLE_VPS_LOGO_ALL); | |
242 | ||
2c3dfe3f SJ |
243 | DEBUG15(printk("scsi(%ld): Scheduling enable of Vport %d...\n", |
244 | vha->host_no, vha->vp_idx)); | |
7b867cf7 | 245 | return qla24xx_enable_vp(vha); |
2c3dfe3f SJ |
246 | } |
247 | ||
a824ebb3 | 248 | static int |
2c3dfe3f SJ |
249 | qla2x00_do_dpc_vp(scsi_qla_host_t *vha) |
250 | { | |
7b867cf7 AC |
251 | struct qla_hw_data *ha = vha->hw; |
252 | scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); | |
221726d4 | 253 | |
2c3dfe3f SJ |
254 | if (test_and_clear_bit(VP_IDX_ACQUIRED, &vha->vp_flags)) { |
255 | /* VP acquired. complete port configuration */ | |
7b867cf7 | 256 | if (atomic_read(&base_vha->loop_state) == LOOP_READY) { |
221726d4 SJ |
257 | qla24xx_configure_vp(vha); |
258 | } else { | |
259 | set_bit(VP_IDX_ACQUIRED, &vha->vp_flags); | |
7b867cf7 | 260 | set_bit(VP_DPC_NEEDED, &base_vha->dpc_flags); |
221726d4 SJ |
261 | } |
262 | ||
2c3dfe3f SJ |
263 | return 0; |
264 | } | |
265 | ||
7b867cf7 AC |
266 | if (test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags)) { |
267 | qla2x00_update_fcports(vha); | |
268 | clear_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags); | |
269 | } | |
270 | ||
271 | if ((test_and_clear_bit(RELOGIN_NEEDED, &vha->dpc_flags)) && | |
272 | !test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) && | |
273 | atomic_read(&vha->loop_state) != LOOP_DOWN) { | |
274 | ||
275 | DEBUG(printk("scsi(%ld): qla2x00_port_login()\n", | |
276 | vha->host_no)); | |
277 | qla2x00_relogin(vha); | |
278 | ||
279 | DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n", | |
280 | vha->host_no)); | |
281 | } | |
2c3dfe3f SJ |
282 | |
283 | if (test_and_clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) && | |
284 | (!(test_and_set_bit(RESET_ACTIVE, &vha->dpc_flags)))) { | |
285 | clear_bit(RESET_ACTIVE, &vha->dpc_flags); | |
286 | } | |
287 | ||
73208dfd | 288 | if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) { |
2c3dfe3f SJ |
289 | if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags))) { |
290 | qla2x00_loop_resync(vha); | |
291 | clear_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags); | |
292 | } | |
293 | } | |
294 | ||
295 | return 0; | |
296 | } | |
297 | ||
298 | void | |
7b867cf7 | 299 | qla2x00_do_dpc_all_vps(scsi_qla_host_t *vha) |
2c3dfe3f SJ |
300 | { |
301 | int ret; | |
7b867cf7 AC |
302 | struct qla_hw_data *ha = vha->hw; |
303 | scsi_qla_host_t *vp; | |
ee546b6e | 304 | struct scsi_qla_host *tvp; |
2c3dfe3f | 305 | |
7b867cf7 | 306 | if (vha->vp_idx) |
2c3dfe3f SJ |
307 | return; |
308 | if (list_empty(&ha->vp_list)) | |
309 | return; | |
310 | ||
7b867cf7 | 311 | clear_bit(VP_DPC_NEEDED, &vha->dpc_flags); |
2c3dfe3f | 312 | |
ee546b6e | 313 | list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) { |
7b867cf7 AC |
314 | if (vp->vp_idx) |
315 | ret = qla2x00_do_dpc_vp(vp); | |
2c3dfe3f SJ |
316 | } |
317 | } | |
318 | ||
319 | int | |
320 | qla24xx_vport_create_req_sanity_check(struct fc_vport *fc_vport) | |
321 | { | |
7b867cf7 AC |
322 | scsi_qla_host_t *base_vha = shost_priv(fc_vport->shost); |
323 | struct qla_hw_data *ha = base_vha->hw; | |
2c3dfe3f SJ |
324 | scsi_qla_host_t *vha; |
325 | uint8_t port_name[WWN_SIZE]; | |
326 | ||
327 | if (fc_vport->roles != FC_PORT_ROLE_FCP_INITIATOR) | |
328 | return VPCERR_UNSUPPORTED; | |
329 | ||
330 | /* Check up the F/W and H/W support NPIV */ | |
331 | if (!ha->flags.npiv_supported) | |
332 | return VPCERR_UNSUPPORTED; | |
333 | ||
334 | /* Check up whether npiv supported switch presented */ | |
335 | if (!(ha->switch_cap & FLOGI_MID_SUPPORT)) | |
336 | return VPCERR_NO_FABRIC_SUPP; | |
337 | ||
338 | /* Check up unique WWPN */ | |
339 | u64_to_wwn(fc_vport->port_name, port_name); | |
7b867cf7 | 340 | if (!memcmp(port_name, base_vha->port_name, WWN_SIZE)) |
50db6b13 | 341 | return VPCERR_BAD_WWN; |
2c3dfe3f SJ |
342 | vha = qla24xx_find_vhost_by_name(ha, port_name); |
343 | if (vha) | |
344 | return VPCERR_BAD_WWN; | |
345 | ||
346 | /* Check up max-npiv-supports */ | |
347 | if (ha->num_vhosts > ha->max_npiv_vports) { | |
eb66dc60 | 348 | DEBUG15(printk("scsi(%ld): num_vhosts %ud is bigger than " |
7b867cf7 | 349 | "max_npv_vports %ud.\n", base_vha->host_no, |
eb66dc60 | 350 | ha->num_vhosts, ha->max_npiv_vports)); |
2c3dfe3f SJ |
351 | return VPCERR_UNSUPPORTED; |
352 | } | |
353 | return 0; | |
354 | } | |
355 | ||
356 | scsi_qla_host_t * | |
357 | qla24xx_create_vhost(struct fc_vport *fc_vport) | |
358 | { | |
7b867cf7 AC |
359 | scsi_qla_host_t *base_vha = shost_priv(fc_vport->shost); |
360 | struct qla_hw_data *ha = base_vha->hw; | |
2c3dfe3f | 361 | scsi_qla_host_t *vha; |
a5326f86 | 362 | struct scsi_host_template *sht = &qla2xxx_driver_template; |
2c3dfe3f SJ |
363 | struct Scsi_Host *host; |
364 | ||
7b867cf7 AC |
365 | vha = qla2x00_create_host(sht, ha); |
366 | if (!vha) { | |
367 | DEBUG(printk("qla2xxx: scsi_host_alloc() failed for vport\n")); | |
2c3dfe3f SJ |
368 | return(NULL); |
369 | } | |
370 | ||
7b867cf7 | 371 | host = vha->host; |
2c3dfe3f | 372 | fc_vport->dd_data = vha; |
2c3dfe3f SJ |
373 | /* New host info */ |
374 | u64_to_wwn(fc_vport->node_name, vha->node_name); | |
375 | u64_to_wwn(fc_vport->port_name, vha->port_name); | |
376 | ||
2c3dfe3f SJ |
377 | vha->fc_vport = fc_vport; |
378 | vha->device_flags = 0; | |
2c3dfe3f SJ |
379 | vha->vp_idx = qla24xx_allocate_vp_id(vha); |
380 | if (vha->vp_idx > ha->max_npiv_vports) { | |
381 | DEBUG15(printk("scsi(%ld): Couldn't allocate vp_id.\n", | |
382 | vha->host_no)); | |
7b867cf7 | 383 | goto create_vhost_failed; |
2c3dfe3f SJ |
384 | } |
385 | vha->mgmt_svr_loop_id = 10 + vha->vp_idx; | |
386 | ||
2c3dfe3f SJ |
387 | vha->dpc_flags = 0L; |
388 | set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); | |
389 | set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); | |
390 | ||
391 | /* | |
392 | * To fix the issue of processing a parent's RSCN for the vport before | |
393 | * its SCR is complete. | |
394 | */ | |
395 | set_bit(VP_SCR_NEEDED, &vha->vp_flags); | |
396 | atomic_set(&vha->loop_state, LOOP_DOWN); | |
397 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | |
398 | ||
399 | qla2x00_start_timer(vha, qla2x00_timer, WATCH_INTERVAL); | |
400 | ||
2afa19a9 AC |
401 | vha->req = base_vha->req; |
402 | host->can_queue = base_vha->req->length + 128; | |
2c3dfe3f SJ |
403 | host->this_id = 255; |
404 | host->cmd_per_lun = 3; | |
405 | host->max_cmd_len = MAX_CMDSZ; | |
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 SJ |
416 | |
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"); | |
569 | goto que_failed; | |
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); | |
633 | return 0; | |
634 | } | |
635 | ||
636 | /* create response queue */ | |
637 | int | |
638 | qla25xx_create_rsp_que(struct qla_hw_data *ha, uint16_t options, | |
2afa19a9 | 639 | uint8_t vp_idx, uint16_t rid, int req) |
73208dfd AC |
640 | { |
641 | int ret = 0; | |
642 | struct rsp_que *rsp = NULL; | |
643 | struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev); | |
08029990 AV |
644 | uint16_t que_id = 0; |
645 | device_reg_t __iomem *reg; | |
73208dfd AC |
646 | |
647 | rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL); | |
648 | if (rsp == NULL) { | |
649 | qla_printk(KERN_WARNING, ha, "could not allocate memory for" | |
650 | " response que\n"); | |
651 | goto que_failed; | |
652 | } | |
653 | ||
2afa19a9 | 654 | rsp->length = RESPONSE_ENTRY_CNT_MQ; |
73208dfd AC |
655 | rsp->ring = dma_alloc_coherent(&ha->pdev->dev, |
656 | (rsp->length + 1) * sizeof(response_t), | |
657 | &rsp->dma, GFP_KERNEL); | |
658 | if (rsp->ring == NULL) { | |
659 | qla_printk(KERN_WARNING, ha, | |
660 | "Memory Allocation failed - response_ring\n"); | |
661 | goto que_failed; | |
662 | } | |
663 | ||
664 | mutex_lock(&ha->vport_lock); | |
2afa19a9 AC |
665 | que_id = find_first_zero_bit(ha->rsp_qid_map, ha->max_rsp_queues); |
666 | if (que_id >= ha->max_rsp_queues) { | |
73208dfd AC |
667 | mutex_unlock(&ha->vport_lock); |
668 | qla_printk(KERN_INFO, ha, "No resources to create " | |
669 | "additional response queue\n"); | |
670 | goto que_failed; | |
671 | } | |
672 | set_bit(que_id, ha->rsp_qid_map); | |
673 | ||
674 | if (ha->flags.msix_enabled) | |
675 | rsp->msix = &ha->msix_entries[que_id + 1]; | |
676 | else | |
677 | qla_printk(KERN_WARNING, ha, "msix not enabled\n"); | |
678 | ||
679 | ha->rsp_q_map[que_id] = rsp; | |
680 | rsp->rid = rid; | |
681 | rsp->vp_idx = vp_idx; | |
682 | rsp->hw = ha; | |
683 | /* Use alternate PCI bus number */ | |
684 | if (MSB(rsp->rid)) | |
685 | options |= BIT_4; | |
686 | /* Use alternate PCI devfn */ | |
687 | if (LSB(rsp->rid)) | |
688 | options |= BIT_5; | |
689 | rsp->options = options; | |
73208dfd | 690 | rsp->id = que_id; |
08029990 AV |
691 | reg = ISP_QUE_REG(ha, que_id); |
692 | rsp->rsp_q_in = ®->isp25mq.rsp_q_in; | |
693 | rsp->rsp_q_out = ®->isp25mq.rsp_q_out; | |
73208dfd AC |
694 | mutex_unlock(&ha->vport_lock); |
695 | ||
696 | ret = qla25xx_request_irq(rsp); | |
697 | if (ret) | |
698 | goto que_failed; | |
699 | ||
618a7523 | 700 | ret = qla25xx_init_rsp_que(base_vha, rsp); |
73208dfd AC |
701 | if (ret != QLA_SUCCESS) { |
702 | qla_printk(KERN_WARNING, ha, "%s failed\n", __func__); | |
703 | mutex_lock(&ha->vport_lock); | |
704 | clear_bit(que_id, ha->rsp_qid_map); | |
705 | mutex_unlock(&ha->vport_lock); | |
706 | goto que_failed; | |
707 | } | |
2afa19a9 AC |
708 | if (req >= 0) |
709 | rsp->req = ha->req_q_map[req]; | |
710 | else | |
711 | rsp->req = NULL; | |
73208dfd AC |
712 | |
713 | qla2x00_init_response_q_entries(rsp); | |
73208dfd AC |
714 | return rsp->id; |
715 | ||
716 | que_failed: | |
717 | qla25xx_free_rsp_que(base_vha, rsp); | |
718 | return 0; | |
719 | } | |
720 | ||
721 | int | |
722 | qla25xx_create_queues(struct scsi_qla_host *vha, uint8_t qos) | |
723 | { | |
724 | uint16_t options = 0; | |
725 | uint8_t ret = 0; | |
726 | struct qla_hw_data *ha = vha->hw; | |
2afa19a9 | 727 | struct rsp_que *rsp; |
73208dfd AC |
728 | |
729 | options |= BIT_1; | |
2afa19a9 | 730 | ret = qla25xx_create_rsp_que(ha, options, vha->vp_idx, 0, -1); |
73208dfd AC |
731 | if (!ret) { |
732 | qla_printk(KERN_WARNING, ha, "Response Que create failed\n"); | |
733 | return ret; | |
734 | } else | |
735 | qla_printk(KERN_INFO, ha, "Response Que:%d created.\n", ret); | |
2afa19a9 | 736 | rsp = ha->rsp_q_map[ret]; |
73208dfd AC |
737 | |
738 | options = 0; | |
739 | if (qos & BIT_7) | |
740 | options |= BIT_8; | |
741 | ret = qla25xx_create_req_que(ha, options, vha->vp_idx, 0, ret, | |
742 | qos & ~BIT_7); | |
743 | if (ret) { | |
2afa19a9 | 744 | vha->req = ha->req_q_map[ret]; |
73208dfd AC |
745 | qla_printk(KERN_INFO, ha, "Request Que:%d created.\n", ret); |
746 | } else | |
747 | qla_printk(KERN_WARNING, ha, "Request Que create failed\n"); | |
2afa19a9 | 748 | rsp->req = ha->req_q_map[ret]; |
73208dfd AC |
749 | |
750 | return ret; | |
751 | } |