From 87528227dfa8776d12779d073c217f0835fd6d20 Mon Sep 17 00:00:00 2001 From: Eli Dorfman Date: Tue, 29 Apr 2008 13:46:52 -0700 Subject: [PATCH] IB/iser: Count FMR alignment violations per session Count FMR alignment violations per session as part of the iscsi statistics. Signed-off-by: Eli Dorfman Signed-off-by: Roland Dreier --- drivers/infiniband/ulp/iser/iscsi_iser.c | 4 +++- drivers/infiniband/ulp/iser/iser_memory.c | 2 ++ include/scsi/libiscsi.h | 1 + 3 files changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c index be1b9fbd416..aeb58cae9a3 100644 --- a/drivers/infiniband/ulp/iser/iscsi_iser.c +++ b/drivers/infiniband/ulp/iser/iscsi_iser.c @@ -473,13 +473,15 @@ iscsi_iser_conn_get_stats(struct iscsi_cls_conn *cls_conn, struct iscsi_stats *s stats->r2t_pdus = conn->r2t_pdus_cnt; /* always 0 */ stats->tmfcmd_pdus = conn->tmfcmd_pdus_cnt; stats->tmfrsp_pdus = conn->tmfrsp_pdus_cnt; - stats->custom_length = 3; + stats->custom_length = 4; strcpy(stats->custom[0].desc, "qp_tx_queue_full"); stats->custom[0].value = 0; /* TB iser_conn->qp_tx_queue_full; */ strcpy(stats->custom[1].desc, "fmr_map_not_avail"); stats->custom[1].value = 0; /* TB iser_conn->fmr_map_not_avail */; strcpy(stats->custom[2].desc, "eh_abort_cnt"); stats->custom[2].value = conn->eh_abort_cnt; + strcpy(stats->custom[3].desc, "fmr_unalign_cnt"); + stats->custom[3].value = conn->fmr_unalign_cnt; } static int diff --git a/drivers/infiniband/ulp/iser/iser_memory.c b/drivers/infiniband/ulp/iser/iser_memory.c index ee58199136a..cac50c4dc15 100644 --- a/drivers/infiniband/ulp/iser/iser_memory.c +++ b/drivers/infiniband/ulp/iser/iser_memory.c @@ -423,6 +423,7 @@ void iser_dma_unmap_task_data(struct iscsi_iser_cmd_task *iser_ctask) int iser_reg_rdma_mem(struct iscsi_iser_cmd_task *iser_ctask, enum iser_data_dir cmd_dir) { + struct iscsi_conn *iscsi_conn = iser_ctask->iser_conn->iscsi_conn; struct iser_conn *ib_conn = iser_ctask->iser_conn->ib_conn; struct iser_device *device = ib_conn->device; struct ib_device *ibdev = device->ib_device; @@ -437,6 +438,7 @@ int iser_reg_rdma_mem(struct iscsi_iser_cmd_task *iser_ctask, aligned_len = iser_data_buf_aligned_len(mem, ibdev); if (aligned_len != mem->dma_nents) { + iscsi_conn->fmr_unalign_cnt++; iser_warn("rdma alignment violation %d/%d aligned\n", aligned_len, mem->size); iser_data_buf_dump(mem, ibdev); diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h index 7b90b63fb5c..cd3ca63d4fb 100644 --- a/include/scsi/libiscsi.h +++ b/include/scsi/libiscsi.h @@ -225,6 +225,7 @@ struct iscsi_conn { /* custom statistics */ uint32_t eh_abort_cnt; + uint32_t fmr_unalign_cnt; }; struct iscsi_pool { -- 2.20.1