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path: root/drivers/infiniband/hw/mlx5/main.c
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Diffstat (limited to 'drivers/infiniband/hw/mlx5/main.c')
-rw-r--r--drivers/infiniband/hw/mlx5/main.c30
1 files changed, 12 insertions, 18 deletions
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 085c24b..41d6911 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -212,6 +212,7 @@ static int mlx5_ib_query_device(struct ib_device *ibdev,
int err = -ENOMEM;
int max_rq_sg;
int max_sq_sg;
+ u64 min_page_size = 1ull << MLX5_CAP_GEN(mdev, log_pg_sz);
if (uhw->inlen || uhw->outlen)
return -EINVAL;
@@ -264,7 +265,7 @@ static int mlx5_ib_query_device(struct ib_device *ibdev,
props->hw_ver = mdev->pdev->revision;
props->max_mr_size = ~0ull;
- props->page_size_cap = 1ull << MLX5_CAP_GEN(mdev, log_pg_sz);
+ props->page_size_cap = ~(min_page_size - 1);
props->max_qp = 1 << MLX5_CAP_GEN(mdev, log_max_qp);
props->max_qp_wr = 1 << MLX5_CAP_GEN(mdev, log_max_qp_sz);
max_rq_sg = MLX5_CAP_GEN(mdev, max_wqe_sz_rq) /
@@ -273,6 +274,7 @@ static int mlx5_ib_query_device(struct ib_device *ibdev,
sizeof(struct mlx5_wqe_ctrl_seg)) /
sizeof(struct mlx5_wqe_data_seg);
props->max_sge = min(max_rq_sg, max_sq_sg);
+ props->max_sge_rd = props->max_sge;
props->max_cq = 1 << MLX5_CAP_GEN(mdev, log_max_cq);
props->max_cqe = (1 << MLX5_CAP_GEN(mdev, log_max_eq_sz)) - 1;
props->max_mr = 1 << MLX5_CAP_GEN(mdev, log_max_mkey);
@@ -1121,7 +1123,6 @@ static void destroy_umrc_res(struct mlx5_ib_dev *dev)
mlx5_ib_destroy_qp(dev->umrc.qp);
ib_destroy_cq(dev->umrc.cq);
- ib_dereg_mr(dev->umrc.mr);
ib_dealloc_pd(dev->umrc.pd);
}
@@ -1136,7 +1137,6 @@ static int create_umr_res(struct mlx5_ib_dev *dev)
struct ib_pd *pd;
struct ib_cq *cq;
struct ib_qp *qp;
- struct ib_mr *mr;
struct ib_cq_init_attr cq_attr = {};
int ret;
@@ -1154,13 +1154,6 @@ static int create_umr_res(struct mlx5_ib_dev *dev)
goto error_0;
}
- mr = ib_get_dma_mr(pd, IB_ACCESS_LOCAL_WRITE);
- if (IS_ERR(mr)) {
- mlx5_ib_dbg(dev, "Couldn't create DMA MR for sync UMR QP\n");
- ret = PTR_ERR(mr);
- goto error_1;
- }
-
cq_attr.cqe = 128;
cq = ib_create_cq(&dev->ib_dev, mlx5_umr_cq_handler, NULL, NULL,
&cq_attr);
@@ -1218,7 +1211,6 @@ static int create_umr_res(struct mlx5_ib_dev *dev)
dev->umrc.qp = qp;
dev->umrc.cq = cq;
- dev->umrc.mr = mr;
dev->umrc.pd = pd;
sema_init(&dev->umrc.sem, MAX_UMR_WR);
@@ -1240,9 +1232,6 @@ error_3:
ib_destroy_cq(cq);
error_2:
- ib_dereg_mr(mr);
-
-error_1:
ib_dealloc_pd(pd);
error_0:
@@ -1256,10 +1245,18 @@ static int create_dev_resources(struct mlx5_ib_resources *devr)
struct ib_srq_init_attr attr;
struct mlx5_ib_dev *dev;
struct ib_cq_init_attr cq_attr = {.cqe = 1};
+ u32 rsvd_lkey;
int ret = 0;
dev = container_of(devr, struct mlx5_ib_dev, devr);
+ ret = mlx5_core_query_special_context(dev->mdev, &rsvd_lkey);
+ if (ret) {
+ pr_err("Failed to query special context %d\n", ret);
+ return ret;
+ }
+ dev->ib_dev.local_dma_lkey = rsvd_lkey;
+
devr->p0 = mlx5_ib_alloc_pd(&dev->ib_dev, NULL, NULL);
if (IS_ERR(devr->p0)) {
ret = PTR_ERR(devr->p0);
@@ -1421,7 +1418,6 @@ static void *mlx5_ib_add(struct mlx5_core_dev *mdev)
strlcpy(dev->ib_dev.name, "mlx5_%d", IB_DEVICE_NAME_MAX);
dev->ib_dev.owner = THIS_MODULE;
dev->ib_dev.node_type = RDMA_NODE_IB_CA;
- dev->ib_dev.local_dma_lkey = 0 /* not supported for now */;
dev->num_ports = MLX5_CAP_GEN(mdev, num_ports);
dev->ib_dev.phys_port_cnt = dev->num_ports;
dev->ib_dev.num_comp_vectors =
@@ -1490,12 +1486,10 @@ static void *mlx5_ib_add(struct mlx5_core_dev *mdev)
dev->ib_dev.get_dma_mr = mlx5_ib_get_dma_mr;
dev->ib_dev.reg_user_mr = mlx5_ib_reg_user_mr;
dev->ib_dev.dereg_mr = mlx5_ib_dereg_mr;
- dev->ib_dev.destroy_mr = mlx5_ib_destroy_mr;
dev->ib_dev.attach_mcast = mlx5_ib_mcg_attach;
dev->ib_dev.detach_mcast = mlx5_ib_mcg_detach;
dev->ib_dev.process_mad = mlx5_ib_process_mad;
- dev->ib_dev.create_mr = mlx5_ib_create_mr;
- dev->ib_dev.alloc_fast_reg_mr = mlx5_ib_alloc_fast_reg_mr;
+ dev->ib_dev.alloc_mr = mlx5_ib_alloc_mr;
dev->ib_dev.alloc_fast_reg_page_list = mlx5_ib_alloc_fast_reg_page_list;
dev->ib_dev.free_fast_reg_page_list = mlx5_ib_free_fast_reg_page_list;
dev->ib_dev.check_mr_status = mlx5_ib_check_mr_status;
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