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IB/iser: Count FMR alignment violations per session

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Count FMR alignment violations per session as part of the iscsi
statistics.

Signed-off-by: Eli Dorfman <elid@voltaire.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Eli Dorfman 2008-04-29 13:46:52 -07:00 committed by Roland Dreier
parent 6f735e36ba
commit 87528227df
3 changed files with 6 additions and 1 deletions
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4
drivers/infiniband/ulp/iser/iscsi_iser.c
View file

@ -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->r2t_pdus = conn->r2t_pdus_cnt; /* always 0 */
stats->tmfcmd_pdus = conn->tmfcmd_pdus_cnt; stats->tmfcmd_pdus = conn->tmfcmd_pdus_cnt;
stats->tmfrsp_pdus = conn->tmfrsp_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"); strcpy(stats->custom[0].desc, "qp_tx_queue_full");
stats->custom[0].value = 0; /* TB iser_conn->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"); strcpy(stats->custom[1].desc, "fmr_map_not_avail");
stats->custom[1].value = 0; /* TB iser_conn->fmr_map_not_avail */; stats->custom[1].value = 0; /* TB iser_conn->fmr_map_not_avail */;
strcpy(stats->custom[2].desc, "eh_abort_cnt"); strcpy(stats->custom[2].desc, "eh_abort_cnt");
stats->custom[2].value = conn->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 static int

2
drivers/infiniband/ulp/iser/iser_memory.c
View file

@ -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, int iser_reg_rdma_mem(struct iscsi_iser_cmd_task *iser_ctask,
enum iser_data_dir cmd_dir) 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_conn *ib_conn = iser_ctask->iser_conn->ib_conn;
struct iser_device *device = ib_conn->device; struct iser_device *device = ib_conn->device;
struct ib_device *ibdev = device->ib_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); aligned_len = iser_data_buf_aligned_len(mem, ibdev);
if (aligned_len != mem->dma_nents) { if (aligned_len != mem->dma_nents) {
iscsi_conn->fmr_unalign_cnt++;
iser_warn("rdma alignment violation %d/%d aligned\n", iser_warn("rdma alignment violation %d/%d aligned\n",
aligned_len, mem->size); aligned_len, mem->size);
iser_data_buf_dump(mem, ibdev); iser_data_buf_dump(mem, ibdev);

1
include/scsi/libiscsi.h
View file

@ -225,6 +225,7 @@ struct iscsi_conn {
/* custom statistics */ /* custom statistics */
uint32_t eh_abort_cnt; uint32_t eh_abort_cnt;
uint32_t fmr_unalign_cnt;
}; };
struct iscsi_pool { struct iscsi_pool {