Lines Matching refs:snic
10 #include "snic.h"
14 /* snic target types */
66 snic_queue_report_tgt_req(struct snic *snic)
74 rqi = snic_req_init(snic, 1);
80 if (snic->fwinfo.max_tgts)
81 ntgts = min_t(u32, snic->fwinfo.max_tgts, snic->shost->max_id);
83 ntgts = snic->shost->max_id;
91 snic_req_free(snic, rqi);
92 SNIC_HOST_ERR(snic->shost, "Resp Buf Alloc Failed.\n");
100 pa = dma_map_single(&snic->pdev->dev, buf, buf_len, DMA_FROM_DEVICE);
101 if (dma_mapping_error(&snic->pdev->dev, pa)) {
102 SNIC_HOST_ERR(snic->shost,
106 snic_req_free(snic, rqi);
117 snic->config.hid,
123 snic_handle_untagged_req(snic, rqi);
125 ret = snic_queue_wq_desc(snic, rqi->req, rqi->req_len);
127 dma_unmap_single(&snic->pdev->dev, pa, buf_len,
131 snic_release_untagged_req(snic, rqi);
132 SNIC_HOST_ERR(snic->shost, "Queuing Report Tgts Failed.\n");
137 SNIC_DISC_DBG(snic->shost, "Report Targets Issued.\n");
142 SNIC_HOST_ERR(snic->shost,
172 snic_tgt_lookup(struct snic *snic, struct snic_tgt_id *tgtid)
177 list_for_each_safe(cur, nxt, &snic->disc.tgt_list) {
235 snic_tgt_create(struct snic *snic, struct snic_tgt_id *tgtid)
241 tgt = snic_tgt_lookup(snic, tgtid);
249 SNIC_HOST_ERR(snic->shost, "Failure to allocate snic_tgt.\n");
268 tgt->dev.parent = get_device(&snic->shost->shost_gendev);
275 snic->shost->host_no, tgt->channel, tgt->id);
280 snic->shost->host_no, tgt->channel, tgt->id);
284 SNIC_HOST_INFO(snic->shost, "Target type Unknown Detected.\n");
286 snic->shost->host_no, tgt->channel, tgt->id);
290 spin_lock_irqsave(snic->shost->host_lock, flags);
291 list_add_tail(&tgt->list, &snic->disc.tgt_list);
292 tgt->scsi_tgt_id = snic->disc.nxt_tgt_id++;
294 spin_unlock_irqrestore(snic->shost->host_lock, flags);
296 SNIC_HOST_INFO(snic->shost,
302 SNIC_HOST_ERR(snic->shost,
306 put_device(&snic->shost->shost_gendev);
307 spin_lock_irqsave(snic->shost->host_lock, flags);
309 spin_unlock_irqrestore(snic->shost->host_lock, flags);
316 SNIC_HOST_INFO(snic->shost, "Scanning %s.\n", dev_name(&tgt->dev));
318 scsi_queue_work(snic->shost, &tgt->scan_work);
327 struct snic *snic = container_of(work, struct snic, tgt_work);
333 spin_lock_irqsave(&snic->snic_lock, flags);
334 if (snic->in_remove) {
335 spin_unlock_irqrestore(&snic->snic_lock, flags);
336 kfree(snic->disc.rtgt_info);
340 spin_unlock_irqrestore(&snic->snic_lock, flags);
342 mutex_lock(&snic->disc.mutex);
344 if (snic->disc.req_cnt) {
345 snic->disc.state = SNIC_DISC_DONE;
346 snic->disc.req_cnt = 0;
347 mutex_unlock(&snic->disc.mutex);
348 kfree(snic->disc.rtgt_info);
349 snic->disc.rtgt_info = NULL;
351 SNIC_HOST_INFO(snic->shost, "tgt_disc: Discovery restart.\n");
353 snic_disc_start(snic);
358 tgtid = (struct snic_tgt_id *)snic->disc.rtgt_info;
360 SNIC_BUG_ON(snic->disc.rtgt_cnt == 0 || tgtid == NULL);
362 for (i = 0; i < snic->disc.rtgt_cnt; i++) {
363 tgt = snic_tgt_create(snic, &tgtid[i]);
365 int buf_sz = snic->disc.rtgt_cnt * sizeof(*tgtid);
367 SNIC_HOST_ERR(snic->shost, "Failed to create tgt.\n");
373 snic->disc.rtgt_info = NULL;
374 snic->disc.state = SNIC_DISC_DONE;
375 mutex_unlock(&snic->disc.mutex);
377 SNIC_HOST_INFO(snic->shost, "Discovery Completed.\n");
384 snic_report_tgt_cmpl_handler(struct snic *snic, struct snic_fw_req *fwreq)
400 SNIC_HOST_ERR(snic->shost, "No Targets Found on this host.\n");
407 SNIC_HOST_INFO(snic->shost, "Target Count = %d\n", tgt_cnt);
409 SNIC_BUG_ON(tgt_cnt > snic->fwinfo.max_tgts);
412 SNIC_HOST_INFO(snic->shost,
420 snic->disc.rtgt_cnt = tgt_cnt;
421 snic->disc.rtgt_info = (u8 *) tgtid;
422 queue_work(snic_glob->event_q, &snic->tgt_work);
427 snic_pci_unmap_rsp_buf(snic, rqi);
432 snic_release_untagged_req(snic, rqi);
454 snic_disc_term(struct snic *snic)
456 struct snic_disc *disc = &snic->disc;
461 SNIC_SCSI_DBG(snic->shost, "Terminating Discovery.\n");
470 snic_disc_start(struct snic *snic)
472 struct snic_disc *disc = &snic->disc;
476 SNIC_SCSI_DBG(snic->shost, "Discovery Start.\n");
478 spin_lock_irqsave(&snic->snic_lock, flags);
479 if (snic->in_remove) {
480 spin_unlock_irqrestore(&snic->snic_lock, flags);
481 SNIC_ERR("snic driver removal in progress ...\n");
486 spin_unlock_irqrestore(&snic->snic_lock, flags);
498 ret = snic_queue_report_tgt_req(snic);
500 SNIC_HOST_INFO(snic->shost, "Discovery Failed, err=%d.\n", ret);
511 struct snic *snic = container_of(work, struct snic, disc_work);
514 SNIC_HOST_INFO(snic->shost, "disc_work: Discovery\n");
516 ret = snic_disc_start(snic);
521 SNIC_HOST_ERR(snic->shost,
527 * snic_tgt_del_all : cleanup all snic targets
531 snic_tgt_del_all(struct snic *snic)
537 scsi_flush_work(snic->shost);
539 mutex_lock(&snic->disc.mutex);
540 spin_lock_irqsave(snic->shost->host_lock, flags);
542 list_for_each_safe(cur, nxt, &snic->disc.tgt_list) {
546 SNIC_HOST_INFO(snic->shost, "Tgt %d q'ing for del\n", tgt->id);
550 spin_unlock_irqrestore(snic->shost->host_lock, flags);
551 mutex_unlock(&snic->disc.mutex);