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path: root/drivers/infiniband/hw/mlx5/devx.c
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Diffstat (limited to 'drivers/infiniband/hw/mlx5/devx.c')
-rw-r--r--drivers/infiniband/hw/mlx5/devx.c61
1 files changed, 35 insertions, 26 deletions
diff --git a/drivers/infiniband/hw/mlx5/devx.c b/drivers/infiniband/hw/mlx5/devx.c
index 08b7f6bc56c3..fc036b4794fd 100644
--- a/drivers/infiniband/hw/mlx5/devx.c
+++ b/drivers/infiniband/hw/mlx5/devx.c
@@ -1055,7 +1055,7 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_OTHER)(
int cmd_out_len = uverbs_attr_get_len(attrs,
MLX5_IB_ATTR_DEVX_OTHER_CMD_OUT);
void *cmd_out;
- int err;
+ int err, err2;
int uid;
c = devx_ufile2uctx(attrs);
@@ -1076,14 +1076,16 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_OTHER)(
return PTR_ERR(cmd_out);
MLX5_SET(general_obj_in_cmd_hdr, cmd_in, uid, uid);
- err = mlx5_cmd_exec(dev->mdev, cmd_in,
- uverbs_attr_get_len(attrs, MLX5_IB_ATTR_DEVX_OTHER_CMD_IN),
- cmd_out, cmd_out_len);
- if (err)
+ err = mlx5_cmd_do(dev->mdev, cmd_in,
+ uverbs_attr_get_len(attrs, MLX5_IB_ATTR_DEVX_OTHER_CMD_IN),
+ cmd_out, cmd_out_len);
+ if (err && err != -EREMOTEIO)
return err;
- return uverbs_copy_to(attrs, MLX5_IB_ATTR_DEVX_OTHER_CMD_OUT, cmd_out,
+ err2 = uverbs_copy_to(attrs, MLX5_IB_ATTR_DEVX_OTHER_CMD_OUT, cmd_out,
cmd_out_len);
+
+ return err2 ?: err;
}
static void devx_obj_build_destroy_cmd(void *in, void *out, void *din,
@@ -1457,7 +1459,7 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_OBJ_CREATE)(
u32 out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)];
struct devx_obj *obj;
u16 obj_type = 0;
- int err;
+ int err, err2 = 0;
int uid;
u32 obj_id;
u16 opcode;
@@ -1497,15 +1499,18 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_OBJ_CREATE)(
!is_apu_cq(dev, cmd_in)) {
obj->flags |= DEVX_OBJ_FLAGS_CQ;
obj->core_cq.comp = devx_cq_comp;
- err = mlx5_core_create_cq(dev->mdev, &obj->core_cq,
- cmd_in, cmd_in_len, cmd_out,
- cmd_out_len);
+ err = mlx5_create_cq(dev->mdev, &obj->core_cq,
+ cmd_in, cmd_in_len, cmd_out,
+ cmd_out_len);
} else {
- err = mlx5_cmd_exec(dev->mdev, cmd_in,
- cmd_in_len,
- cmd_out, cmd_out_len);
+ err = mlx5_cmd_do(dev->mdev, cmd_in, cmd_in_len,
+ cmd_out, cmd_out_len);
}
+ if (err == -EREMOTEIO)
+ err2 = uverbs_copy_to(attrs,
+ MLX5_IB_ATTR_DEVX_OBJ_CREATE_CMD_OUT,
+ cmd_out, cmd_out_len);
if (err)
goto obj_free;
@@ -1548,7 +1553,7 @@ obj_destroy:
sizeof(out));
obj_free:
kfree(obj);
- return err;
+ return err2 ?: err;
}
static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_OBJ_MODIFY)(
@@ -1563,7 +1568,7 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_OBJ_MODIFY)(
&attrs->driver_udata, struct mlx5_ib_ucontext, ibucontext);
struct mlx5_ib_dev *mdev = to_mdev(c->ibucontext.device);
void *cmd_out;
- int err;
+ int err, err2;
int uid;
if (MLX5_GET(general_obj_in_cmd_hdr, cmd_in, vhca_tunnel_id))
@@ -1586,14 +1591,16 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_OBJ_MODIFY)(
MLX5_SET(general_obj_in_cmd_hdr, cmd_in, uid, uid);
devx_set_umem_valid(cmd_in);
- err = mlx5_cmd_exec(mdev->mdev, cmd_in,
- uverbs_attr_get_len(attrs, MLX5_IB_ATTR_DEVX_OBJ_MODIFY_CMD_IN),
- cmd_out, cmd_out_len);
- if (err)
+ err = mlx5_cmd_do(mdev->mdev, cmd_in,
+ uverbs_attr_get_len(attrs, MLX5_IB_ATTR_DEVX_OBJ_MODIFY_CMD_IN),
+ cmd_out, cmd_out_len);
+ if (err && err != -EREMOTEIO)
return err;
- return uverbs_copy_to(attrs, MLX5_IB_ATTR_DEVX_OBJ_MODIFY_CMD_OUT,
+ err2 = uverbs_copy_to(attrs, MLX5_IB_ATTR_DEVX_OBJ_MODIFY_CMD_OUT,
cmd_out, cmd_out_len);
+
+ return err2 ?: err;
}
static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_OBJ_QUERY)(
@@ -1607,7 +1614,7 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_OBJ_QUERY)(
struct mlx5_ib_ucontext *c = rdma_udata_to_drv_context(
&attrs->driver_udata, struct mlx5_ib_ucontext, ibucontext);
void *cmd_out;
- int err;
+ int err, err2;
int uid;
struct mlx5_ib_dev *mdev = to_mdev(c->ibucontext.device);
@@ -1629,14 +1636,16 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_OBJ_QUERY)(
return PTR_ERR(cmd_out);
MLX5_SET(general_obj_in_cmd_hdr, cmd_in, uid, uid);
- err = mlx5_cmd_exec(mdev->mdev, cmd_in,
- uverbs_attr_get_len(attrs, MLX5_IB_ATTR_DEVX_OBJ_QUERY_CMD_IN),
- cmd_out, cmd_out_len);
- if (err)
+ err = mlx5_cmd_do(mdev->mdev, cmd_in,
+ uverbs_attr_get_len(attrs, MLX5_IB_ATTR_DEVX_OBJ_QUERY_CMD_IN),
+ cmd_out, cmd_out_len);
+ if (err && err != -EREMOTEIO)
return err;
- return uverbs_copy_to(attrs, MLX5_IB_ATTR_DEVX_OBJ_QUERY_CMD_OUT,
+ err2 = uverbs_copy_to(attrs, MLX5_IB_ATTR_DEVX_OBJ_QUERY_CMD_OUT,
cmd_out, cmd_out_len);
+
+ return err2 ?: err;
}
struct devx_async_event_queue {