scsi/csiostor/csio_scsi.c

111  * @scm: SCSI module
118 csio_scsi_gather_active_ios(struct csio_scsim *scm,
124 	if (list_empty(&scm->active_q))
129 		list_splice_tail_init(&scm->active_q, dest);
133 	list_for_each_safe(tmp, next, &scm->active_q) {
776 	struct csio_scsim *scm = csio_hw_to_scsim(hw);
781 		CSIO_DEC_STATS(scm, n_active);
834 		CSIO_DEC_STATS(scm, n_active);
848 	struct csio_scsim *scm = csio_hw_to_scsim(hw);
852 		CSIO_DEC_STATS(scm, n_tm_active);
877 		CSIO_DEC_STATS(scm, n_tm_active);
891 	struct csio_scsim *scm = csio_hw_to_scsim(hw);
911 		CSIO_INC_STATS(scm, n_abrt_dups);
957 		CSIO_DEC_STATS(scm, n_active);
964 		CSIO_DEC_STATS(scm, n_active);
988 	struct csio_scsim *scm = csio_hw_to_scsim(hw);
1028 		CSIO_DEC_STATS(scm, n_active);
1038 		CSIO_DEC_STATS(scm, n_active);
1109 	struct csio_scsim *scm = csio_hw_to_scsim(hw);
1117 		CSIO_INC_STATS(scm, n_inval_cplop);
1147 	CSIO_INC_STATS(scm, n_inval_scsiop);
1153  * @scm: SCSI module.
1159 csio_scsi_cleanup_io_q(struct csio_scsim *scm, struct list_head *q)
1161 	struct csio_hw *hw = scm->hw;
1181 		spin_lock_irq(&scm->freelist_lock);
1182 		csio_put_scsi_ioreq(scm, ioreq);
1183 		spin_unlock_irq(&scm->freelist_lock);
1218  * @scm: SCSI module.
1233 csio_scsi_abort_io_q(struct csio_scsim *scm, struct list_head *q, uint32_t tmo)
1235 	struct csio_hw *hw = scm->hw;
1267  * @scm: SCSI module.
1273 csio_scsim_cleanup_io(struct csio_scsim *scm, bool abort)
1275 	struct csio_hw *hw = scm->hw;
1280 	if (list_empty(&scm->active_q))
1284 	while (!list_empty(&scm->active_q) && count--) {
1291 	if (list_empty(&scm->active_q))
1296 		rv = csio_scsi_abort_io_q(scm, &scm->active_q, 30000);
1302 	csio_scsi_cleanup_io_q(scm, &scm->active_q);
1304 	CSIO_DB_ASSERT(list_empty(&scm->active_q));
1311  * @scm: SCSI module.
1318 csio_scsim_cleanup_io_lnode(struct csio_scsim *scm, struct csio_lnode *ln)
1320 	struct csio_hw *hw = scm->hw;
1330 	csio_scsi_gather_active_ios(scm, &sld, &ln->cmpl_q);
1350 	rv = csio_scsi_abort_io_q(scm, &ln->cmpl_q, 30000);
1353 		csio_scsi_cleanup_io_q(scm, &ln->cmpl_q);
1565 	struct csio_scsim *scm = csio_hw_to_scsim(hw);
1581 		CSIO_INC_STATS(scm, n_hosterror);
1607 			CSIO_INC_STATS(scm, n_autosense);
1625 		CSIO_INC_STATS(scm, n_rsperror);
1634 		CSIO_INC_STATS(scm, n_ovflerror);
1645 		CSIO_INC_STATS(scm, n_unflerror);
1661 			CSIO_INC_STATS(scm, n_closed);
1663 			CSIO_INC_STATS(scm, n_aborted);
1671 		CSIO_INC_STATS(scm, n_abrt_timedout);
1681 		CSIO_INC_STATS(scm, n_rdev_nr_error);
1686 		CSIO_INC_STATS(scm, n_rdev_lost_error);
1691 		CSIO_INC_STATS(scm, n_rdev_logo_error);
1700 		CSIO_INC_STATS(scm, n_link_down_error);
1705 		CSIO_INC_STATS(scm, n_no_xchg_error);
1714 		CSIO_INC_STATS(scm, n_unknown_error);
2311  * @scm: SCSI Module
2321 csio_scsi_alloc_ddp_bufs(struct csio_scsim *scm, struct csio_hw *hw,
2335 	INIT_LIST_HEAD(&scm->ddp_freelist);
2348 				 scm->stats.n_free_ddp);
2366 		list_add_tail(&ddp_desc->list, &scm->ddp_freelist);
2367 		CSIO_INC_STATS(scm, n_free_ddp);
2373 	list_for_each(tmp, &scm->ddp_freelist) {
2381 	scm->stats.n_free_ddp = 0;
2388  * @scm: SCSI Module
2394 csio_scsi_free_ddp_bufs(struct csio_scsim *scm, struct csio_hw *hw)
2400 	list_for_each(tmp, &scm->ddp_freelist) {
2408 	scm->stats.n_free_ddp = 0;
2413  * @scm:	SCSI Module
2418 csio_scsim_init(struct csio_scsim *scm, struct csio_hw *hw)
2424 	INIT_LIST_HEAD(&scm->active_q);
2425 	scm->hw = hw;
2427 	scm->proto_cmd_len = sizeof(struct fcp_cmnd);
2428 	scm->proto_rsp_len = CSIO_SCSI_RSP_LEN;
2429 	scm->max_sge = CSIO_SCSI_MAX_SGE;
2431 	spin_lock_init(&scm->freelist_lock);
2434 	INIT_LIST_HEAD(&scm->ioreq_freelist);
2442 				 scm->stats.n_free_ioreq);
2459 		dma_buf->len = scm->proto_rsp_len;
2466 		list_add_tail(&ioreq->sm.sm_list, &scm->ioreq_freelist);
2467 		CSIO_INC_STATS(scm, n_free_ioreq);
2470 	if (csio_scsi_alloc_ddp_bufs(scm, hw, PAGE_SIZE, csio_ddp_descs))
2480 	while (!list_empty(&scm->ioreq_freelist)) {
2483 		tmp = list_first_entry(&scm->ioreq_freelist,
2495 	scm->stats.n_free_ioreq = 0;
2502  * @scm: SCSI Module
2506 csio_scsim_exit(struct csio_scsim *scm)
2511 	while (!list_empty(&scm->ioreq_freelist)) {
2514 		tmp = list_first_entry(&scm->ioreq_freelist,
2520 		dma_pool_free(scm->hw->scsi_dma_pool, dma_buf->vaddr,
2526 	scm->stats.n_free_ioreq = 0;
2528 	csio_scsi_free_ddp_bufs(scm, scm->hw);