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| author | Sagi Grimberg | 2014-03-05 18:43:43 +0100 |
|---|---|---|
| committer | Roland Dreier | 2014-03-18 06:33:57 +0100 |
| commit | 73bc06b7edd8ce4ccbce7ffd28978ce16b97e5d8 (patch) | |
| tree | a8f84b544a9f51a36db2fe47cf7e8fdf131cba76 /drivers | |
| parent | IB/iser: Keep IB device attributes under iser_device (diff) | |
| download | kernel-qcow2-linux-73bc06b7edd8ce4ccbce7ffd28978ce16b97e5d8.tar.gz kernel-qcow2-linux-73bc06b7edd8ce4ccbce7ffd28978ce16b97e5d8.tar.xz kernel-qcow2-linux-73bc06b7edd8ce4ccbce7ffd28978ce16b97e5d8.zip | |
IB/iser: Replace fastreg descriptor valid bool with indicators container
In T10-PI support we will have memory keys for protection buffers and
signature transactions. We prefer to compact indicators rather than
keeping multiple bools.
This commit does not change any functionality.
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Alex Tabachnik <alext@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/infiniband/ulp/iser/iscsi_iser.h | 8 | ||||
| -rw-r--r-- | drivers/infiniband/ulp/iser/iser_memory.c | 4 | ||||
| -rw-r--r-- | drivers/infiniband/ulp/iser/iser_verbs.c | 2 |
3 files changed, 9 insertions, 5 deletions
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.h b/drivers/infiniband/ulp/iser/iscsi_iser.h index b4290f509a39..56607140ff3a 100644 --- a/drivers/infiniband/ulp/iser/iscsi_iser.h +++ b/drivers/infiniband/ulp/iser/iscsi_iser.h @@ -280,13 +280,17 @@ struct iser_device { enum iser_data_dir cmd_dir); }; +enum iser_reg_indicator { + ISER_DATA_KEY_VALID = 1 << 0, +}; + struct fast_reg_descriptor { struct list_head list; /* For fast registration - FRWR */ struct ib_mr *data_mr; struct ib_fast_reg_page_list *data_frpl; - /* Valid for fast registration flag */ - bool valid; + /* registration indicators container */ + u8 reg_indicators; }; struct iser_conn { diff --git a/drivers/infiniband/ulp/iser/iser_memory.c b/drivers/infiniband/ulp/iser/iser_memory.c index d25587e2f296..a7a0d3e8f822 100644 --- a/drivers/infiniband/ulp/iser/iser_memory.c +++ b/drivers/infiniband/ulp/iser/iser_memory.c @@ -479,7 +479,7 @@ static int iser_fast_reg_mr(struct iscsi_iser_task *iser_task, return -EINVAL; } - if (!desc->valid) { + if (!(desc->reg_indicators & ISER_DATA_KEY_VALID)) { memset(&inv_wr, 0, sizeof(inv_wr)); inv_wr.wr_id = ISER_FASTREG_LI_WRID; inv_wr.opcode = IB_WR_LOCAL_INV; @@ -514,7 +514,7 @@ static int iser_fast_reg_mr(struct iscsi_iser_task *iser_task, iser_err("fast registration failed, ret:%d\n", ret); return ret; } - desc->valid = false; + desc->reg_indicators &= ~ISER_DATA_KEY_VALID; sge->lkey = desc->data_mr->lkey; sge->addr = desc->data_frpl->page_list[0] + offset; diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c b/drivers/infiniband/ulp/iser/iser_verbs.c index 95fcfcac0100..6a5f4245182a 100644 --- a/drivers/infiniband/ulp/iser/iser_verbs.c +++ b/drivers/infiniband/ulp/iser/iser_verbs.c @@ -296,7 +296,7 @@ iser_create_fastreg_desc(struct ib_device *ib_device, struct ib_pd *pd, } iser_info("Create fr_desc %p page_list %p\n", desc, desc->data_frpl->page_list); - desc->valid = true; + desc->reg_indicators |= ISER_DATA_KEY_VALID; return 0; |