diff options
Diffstat (limited to 'drivers/infiniband/hw/mlx5/mr.c')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/mr.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c index 032445c47608..81392b26d078 100644 --- a/drivers/infiniband/hw/mlx5/mr.c +++ b/drivers/infiniband/hw/mlx5/mr.c @@ -1038,6 +1038,11 @@ struct ib_mr *mlx5_ib_create_mr(struct ib_pd *pd, access_mode = MLX5_ACCESS_MODE_KLM; mr->sig->psv_memory.psv_idx = psv_index[0]; mr->sig->psv_wire.psv_idx = psv_index[1]; + + mr->sig->sig_status_checked = true; + mr->sig->sig_err_exists = false; + /* Next UMR, Arm SIGERR */ + ++mr->sig->sigerr_count; } in->seg.flags = MLX5_PERM_UMR_EN | access_mode; @@ -1188,3 +1193,44 @@ void mlx5_ib_free_fast_reg_page_list(struct ib_fast_reg_page_list *page_list) kfree(mfrpl->ibfrpl.page_list); kfree(mfrpl); } + +int mlx5_ib_check_mr_status(struct ib_mr *ibmr, u32 check_mask, + struct ib_mr_status *mr_status) +{ + struct mlx5_ib_mr *mmr = to_mmr(ibmr); + int ret = 0; + + if (check_mask & ~IB_MR_CHECK_SIG_STATUS) { + pr_err("Invalid status check mask\n"); + ret = -EINVAL; + goto done; + } + + mr_status->fail_status = 0; + if (check_mask & IB_MR_CHECK_SIG_STATUS) { + if (!mmr->sig) { + ret = -EINVAL; + pr_err("signature status check requested on a non-signature enabled MR\n"); + goto done; + } + + mmr->sig->sig_status_checked = true; + if (!mmr->sig->sig_err_exists) + goto done; + + if (ibmr->lkey == mmr->sig->err_item.key) + memcpy(&mr_status->sig_err, &mmr->sig->err_item, + sizeof(mr_status->sig_err)); + else { + mr_status->sig_err.err_type = IB_SIG_BAD_GUARD; + mr_status->sig_err.sig_err_offset = 0; + mr_status->sig_err.key = mmr->sig->err_item.key; + } + + mmr->sig->sig_err_exists = false; + mr_status->fail_status |= IB_MR_CHECK_SIG_STATUS; + } + +done: + return ret; +} |