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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.c35
1 files changed, 14 insertions, 21 deletions
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 614b2acbc621..994c19d01211 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -1745,14 +1745,15 @@ static void mlx5_ib_dealloc_transport_domain(struct mlx5_ib_dev *dev, u32 tdn,
mlx5_ib_disable_lb(dev, true, false);
}
-static struct ib_ucontext *mlx5_ib_alloc_ucontext(struct ib_device *ibdev,
- struct ib_udata *udata)
+static int mlx5_ib_alloc_ucontext(struct ib_ucontext *uctx,
+ struct ib_udata *udata)
{
+ struct ib_device *ibdev = uctx->device;
struct mlx5_ib_dev *dev = to_mdev(ibdev);
struct mlx5_ib_alloc_ucontext_req_v2 req = {};
struct mlx5_ib_alloc_ucontext_resp resp = {};
struct mlx5_core_dev *mdev = dev->mdev;
- struct mlx5_ib_ucontext *context;
+ struct mlx5_ib_ucontext *context = to_mucontext(uctx);
struct mlx5_bfreg_info *bfregi;
int ver;
int err;
@@ -1762,29 +1763,29 @@ static struct ib_ucontext *mlx5_ib_alloc_ucontext(struct ib_device *ibdev,
bool lib_uar_4k;
if (!dev->ib_active)
- return ERR_PTR(-EAGAIN);
+ return -EAGAIN;
if (udata->inlen == sizeof(struct mlx5_ib_alloc_ucontext_req))
ver = 0;
else if (udata->inlen >= min_req_v2)
ver = 2;
else
- return ERR_PTR(-EINVAL);
+ return -EINVAL;
err = ib_copy_from_udata(&req, udata, min(udata->inlen, sizeof(req)));
if (err)
- return ERR_PTR(err);
+ return err;
if (req.flags & ~MLX5_IB_ALLOC_UCTX_DEVX)
- return ERR_PTR(-EOPNOTSUPP);
+ return -EOPNOTSUPP;
if (req.comp_mask || req.reserved0 || req.reserved1 || req.reserved2)
- return ERR_PTR(-EOPNOTSUPP);
+ return -EOPNOTSUPP;
req.total_num_bfregs = ALIGN(req.total_num_bfregs,
MLX5_NON_FP_BFREGS_PER_UAR);
if (req.num_low_latency_bfregs > req.total_num_bfregs - 1)
- return ERR_PTR(-EINVAL);
+ return -EINVAL;
resp.qp_tab_size = 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp);
if (mlx5_core_is_pf(dev->mdev) && MLX5_CAP_GEN(dev->mdev, bf))
@@ -1817,10 +1818,6 @@ static struct ib_ucontext *mlx5_ib_alloc_ucontext(struct ib_device *ibdev,
/* MLX5_USER_ALLOC_UCONTEXT_FLOW_ACTION_FLAGS_ESP_AES_GCM_FULL_OFFLOAD is currently always 0 */
}
- context = kzalloc(sizeof(*context), GFP_KERNEL);
- if (!context)
- return ERR_PTR(-ENOMEM);
-
lib_uar_4k = req.lib_caps & MLX5_LIB_CAP_4K_UAR;
bfregi = &context->bfregi;
@@ -1955,7 +1952,7 @@ static struct ib_ucontext *mlx5_ib_alloc_ucontext(struct ib_device *ibdev,
1, &dev->roce[port].tx_port_affinity));
}
- return &context->ibucontext;
+ return 0;
out_mdev:
mlx5_ib_dealloc_transport_domain(dev, context->tdn, context->devx_uid);
@@ -1973,12 +1970,10 @@ out_count:
kfree(bfregi->count);
out_ctx:
- kfree(context);
-
- return ERR_PTR(err);
+ return err;
}
-static int mlx5_ib_dealloc_ucontext(struct ib_ucontext *ibcontext)
+static void mlx5_ib_dealloc_ucontext(struct ib_ucontext *ibcontext)
{
struct mlx5_ib_ucontext *context = to_mucontext(ibcontext);
struct mlx5_ib_dev *dev = to_mdev(ibcontext->device);
@@ -1998,9 +1993,6 @@ static int mlx5_ib_dealloc_ucontext(struct ib_ucontext *ibcontext)
deallocate_uars(dev, context);
kfree(bfregi->sys_pages);
kfree(bfregi->count);
- kfree(context);
-
- return 0;
}
static phys_addr_t uar_index2pfn(struct mlx5_ib_dev *dev,
@@ -5984,6 +5976,7 @@ static const struct ib_device_ops mlx5_ib_dev_ops = {
.rereg_user_mr = mlx5_ib_rereg_user_mr,
.resize_cq = mlx5_ib_resize_cq,
INIT_RDMA_OBJ_SIZE(ib_pd, mlx5_ib_pd, ibpd),
+ INIT_RDMA_OBJ_SIZE(ib_ucontext, mlx5_ib_ucontext, ibucontext),
};
static const struct ib_device_ops mlx5_ib_dev_flow_ipsec_ops = {