Lines Matching refs:snic
24 #include "snic.h"
28 /* snic target types */
80 snic_queue_report_tgt_req(struct snic *snic)
88 rqi = snic_req_init(snic, 1);
94 if (snic->fwinfo.max_tgts)
95 ntgts = min_t(u32, snic->fwinfo.max_tgts, snic->shost->max_id);
97 ntgts = snic->shost->max_id;
105 snic_req_free(snic, rqi);
106 SNIC_HOST_ERR(snic->shost, "Resp Buf Alloc Failed.\n");
114 pa = dma_map_single(&snic->pdev->dev, buf, buf_len, DMA_FROM_DEVICE);
115 if (dma_mapping_error(&snic->pdev->dev, pa)) {
116 SNIC_HOST_ERR(snic->shost,
120 snic_req_free(snic, rqi);
131 snic->config.hid,
137 snic_handle_untagged_req(snic, rqi);
139 ret = snic_queue_wq_desc(snic, rqi->req, rqi->req_len);
141 dma_unmap_single(&snic->pdev->dev, pa, buf_len,
145 snic_release_untagged_req(snic, rqi);
146 SNIC_HOST_ERR(snic->shost, "Queuing Report Tgts Failed.\n");
151 SNIC_DISC_DBG(snic->shost, "Report Targets Issued.\n");
156 SNIC_HOST_ERR(snic->shost,
186 snic_tgt_lookup(struct snic *snic, struct snic_tgt_id *tgtid)
191 list_for_each_safe(cur, nxt, &snic->disc.tgt_list) {
249 snic_tgt_create(struct snic *snic, struct snic_tgt_id *tgtid)
255 tgt = snic_tgt_lookup(snic, tgtid);
263 SNIC_HOST_ERR(snic->shost, "Failure to allocate snic_tgt.\n");
282 tgt->dev.parent = get_device(&snic->shost->shost_gendev);
289 snic->shost->host_no, tgt->channel, tgt->id);
294 snic->shost->host_no, tgt->channel, tgt->id);
298 SNIC_HOST_INFO(snic->shost, "Target type Unknown Detected.\n");
300 snic->shost->host_no, tgt->channel, tgt->id);
304 spin_lock_irqsave(snic->shost->host_lock, flags);
305 list_add_tail(&tgt->list, &snic->disc.tgt_list);
306 tgt->scsi_tgt_id = snic->disc.nxt_tgt_id++;
308 spin_unlock_irqrestore(snic->shost->host_lock, flags);
310 SNIC_HOST_INFO(snic->shost,
316 SNIC_HOST_ERR(snic->shost,
320 put_device(&snic->shost->shost_gendev);
321 spin_lock_irqsave(snic->shost->host_lock, flags);
323 spin_unlock_irqrestore(snic->shost->host_lock, flags);
330 SNIC_HOST_INFO(snic->shost, "Scanning %s.\n", dev_name(&tgt->dev));
332 scsi_queue_work(snic->shost, &tgt->scan_work);
341 struct snic *snic = container_of(work, struct snic, tgt_work);
347 spin_lock_irqsave(&snic->snic_lock, flags);
348 if (snic->in_remove) {
349 spin_unlock_irqrestore(&snic->snic_lock, flags);
350 kfree(snic->disc.rtgt_info);
354 spin_unlock_irqrestore(&snic->snic_lock, flags);
356 mutex_lock(&snic->disc.mutex);
358 if (snic->disc.req_cnt) {
359 snic->disc.state = SNIC_DISC_DONE;
360 snic->disc.req_cnt = 0;
361 mutex_unlock(&snic->disc.mutex);
362 kfree(snic->disc.rtgt_info);
363 snic->disc.rtgt_info = NULL;
365 SNIC_HOST_INFO(snic->shost, "tgt_disc: Discovery restart.\n");
367 snic_disc_start(snic);
372 tgtid = (struct snic_tgt_id *)snic->disc.rtgt_info;
374 SNIC_BUG_ON(snic->disc.rtgt_cnt == 0 || tgtid == NULL);
376 for (i = 0; i < snic->disc.rtgt_cnt; i++) {
377 tgt = snic_tgt_create(snic, &tgtid[i]);
379 int buf_sz = snic->disc.rtgt_cnt * sizeof(*tgtid);
381 SNIC_HOST_ERR(snic->shost, "Failed to create tgt.\n");
387 snic->disc.rtgt_info = NULL;
388 snic->disc.state = SNIC_DISC_DONE;
389 mutex_unlock(&snic->disc.mutex);
391 SNIC_HOST_INFO(snic->shost, "Discovery Completed.\n");
398 snic_report_tgt_cmpl_handler(struct snic *snic, struct snic_fw_req *fwreq)
414 SNIC_HOST_ERR(snic->shost, "No Targets Found on this host.\n");
421 SNIC_HOST_INFO(snic->shost, "Target Count = %d\n", tgt_cnt);
423 SNIC_BUG_ON(tgt_cnt > snic->fwinfo.max_tgts);
426 SNIC_HOST_INFO(snic->shost,
434 snic->disc.rtgt_cnt = tgt_cnt;
435 snic->disc.rtgt_info = (u8 *) tgtid;
436 queue_work(snic_glob->event_q, &snic->tgt_work);
441 snic_pci_unmap_rsp_buf(snic, rqi);
446 snic_release_untagged_req(snic, rqi);
468 snic_disc_term(struct snic *snic)
470 struct snic_disc *disc = &snic->disc;
475 SNIC_SCSI_DBG(snic->shost, "Terminating Discovery.\n");
484 snic_disc_start(struct snic *snic)
486 struct snic_disc *disc = &snic->disc;
490 SNIC_SCSI_DBG(snic->shost, "Discovery Start.\n");
492 spin_lock_irqsave(&snic->snic_lock, flags);
493 if (snic->in_remove) {
494 spin_unlock_irqrestore(&snic->snic_lock, flags);
495 SNIC_ERR("snic driver removal in progress ...\n");
500 spin_unlock_irqrestore(&snic->snic_lock, flags);
512 ret = snic_queue_report_tgt_req(snic);
514 SNIC_HOST_INFO(snic->shost, "Discovery Failed, err=%d.\n", ret);
525 struct snic *snic = container_of(work, struct snic, disc_work);
528 SNIC_HOST_INFO(snic->shost, "disc_work: Discovery\n");
530 ret = snic_disc_start(snic);
535 SNIC_HOST_ERR(snic->shost,
541 * snic_tgt_del_all : cleanup all snic targets
545 snic_tgt_del_all(struct snic *snic)
551 scsi_flush_work(snic->shost);
553 mutex_lock(&snic->disc.mutex);
554 spin_lock_irqsave(snic->shost->host_lock, flags);
556 list_for_each_safe(cur, nxt, &snic->disc.tgt_list) {
560 SNIC_HOST_INFO(snic->shost, "Tgt %d q'ing for del\n", tgt->id);
564 spin_unlock_irqrestore(snic->shost->host_lock, flags);
565 mutex_unlock(&snic->disc.mutex);