IB/mlx5: Remove references to uboject->context

These should all go through udata now. Add mlx5_udata_to_mdev to convert
a udata into the struct mlx5_ib_dev as these call sites require.
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

drivers/infiniband/hw/mlx5/devx.c

@@ -373,8 +373,10 @@ static u64 devx_get_obj_id(const void *in)
 	return obj_id;
 }
 
-static bool devx_is_valid_obj_id(struct ib_uobject *uobj, const void *in)
+static bool devx_is_valid_obj_id(struct uverbs_attr_bundle *attrs,
+				 struct ib_uobject *uobj, const void *in)
 {
+	struct mlx5_ib_dev *dev = mlx5_udata_to_mdev(&attrs->driver_udata);
 	u64 obj_id = devx_get_obj_id(in);
 
 	if (!obj_id)
@@ -389,7 +391,6 @@ static bool devx_is_valid_obj_id(struct ib_uobject *uobj, const void *in)
 	case UVERBS_OBJECT_SRQ:
 	{
 		struct mlx5_core_srq *srq = &(to_msrq(uobj->object)->msrq);
-		struct mlx5_ib_dev *dev = to_mdev(uobj->context->device);
 		u16 opcode;
 
 		switch (srq->common.res) {
@@ -1136,7 +1137,8 @@ static int devx_obj_cleanup(struct ib_uobject *uobject,
 		return ret;
 
 	if (obj->flags & DEVX_OBJ_FLAGS_INDIRECT_MKEY) {
-		struct mlx5_ib_dev *dev = to_mdev(uobject->context->device);
+		struct mlx5_ib_dev *dev =
+			mlx5_udata_to_mdev(&attrs->driver_udata);
 
 		call_srcu(&dev->mr_srcu, &obj->devx_mr.rcu,
 			  devx_free_indirect_mkey);
@@ -1261,7 +1263,7 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_OBJ_MODIFY)(
 	if (!devx_is_obj_modify_cmd(cmd_in))
 		return -EINVAL;
 
-	if (!devx_is_valid_obj_id(uobj, cmd_in))
+	if (!devx_is_valid_obj_id(attrs, uobj, cmd_in))
 		return -EINVAL;
 
 	cmd_out = uverbs_zalloc(attrs, cmd_out_len);
@@ -1303,7 +1305,7 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_OBJ_QUERY)(
 	if (!devx_is_obj_query_cmd(cmd_in))
 		return -EINVAL;
 
-	if (!devx_is_valid_obj_id(uobj, cmd_in))
+	if (!devx_is_valid_obj_id(attrs, uobj, cmd_in))
 		return -EINVAL;
 
 	cmd_out = uverbs_zalloc(attrs, cmd_out_len);
@@ -1351,7 +1353,7 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_ASYNC_CMD_FD_ALLOC)(
 
 	struct ib_uobject *uobj = uverbs_attr_get_uobject(
 		attrs, MLX5_IB_ATTR_DEVX_ASYNC_CMD_FD_ALLOC_HANDLE);
-	struct mlx5_ib_dev *mdev = to_mdev(uobj->context->device);
+	struct mlx5_ib_dev *mdev = mlx5_udata_to_mdev(&attrs->driver_udata);
 
 	ev_file = container_of(uobj, struct devx_async_cmd_event_file,
 			       uobj);
@@ -1413,7 +1415,7 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_OBJ_ASYNC_QUERY)(
 	if (err)
 		return err;
 
-	if (!devx_is_valid_obj_id(uobj, cmd_in))
+	if (!devx_is_valid_obj_id(attrs, uobj, cmd_in))
 		return -EINVAL;
 
 	fd_uobj = uverbs_attr_get_uobject(attrs,

drivers/infiniband/hw/mlx5/flow.c

@@ -75,7 +75,7 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_CREATE_FLOW)(
 	struct ib_qp *qp = NULL;
 	struct ib_uobject *uobj =
 		uverbs_attr_get_uobject(attrs, MLX5_IB_ATTR_CREATE_FLOW_HANDLE);
-	struct mlx5_ib_dev *dev = to_mdev(uobj->context->device);
+	struct mlx5_ib_dev *dev = mlx5_udata_to_mdev(&attrs->driver_udata);
 	int len, ret, i;
 	u32 counter_id = 0;
 
@@ -208,7 +208,7 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_FLOW_MATCHER_CREATE)(
 {
 	struct ib_uobject *uobj = uverbs_attr_get_uobject(
 		attrs, MLX5_IB_ATTR_FLOW_MATCHER_CREATE_HANDLE);
-	struct mlx5_ib_dev *dev = to_mdev(uobj->context->device);
+	struct mlx5_ib_dev *dev = mlx5_udata_to_mdev(&attrs->driver_udata);
 	struct mlx5_ib_flow_matcher *obj;
 	u32 flags;
 	int err;
@@ -327,7 +327,7 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_FLOW_ACTION_CREATE_MODIFY_HEADER)(
 {
 	struct ib_uobject *uobj = uverbs_attr_get_uobject(
 		attrs, MLX5_IB_ATTR_CREATE_MODIFY_HEADER_HANDLE);
-	struct mlx5_ib_dev *mdev = to_mdev(uobj->context->device);
+	struct mlx5_ib_dev *mdev = mlx5_udata_to_mdev(&attrs->driver_udata);
 	enum mlx5_ib_uapi_flow_table_type ft_type;
 	struct ib_flow_action *action;
 	int num_actions;
@@ -354,7 +354,7 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_FLOW_ACTION_CREATE_MODIFY_HEADER)(
 	if (IS_ERR(action))
 		return PTR_ERR(action);
 
-	uverbs_flow_action_fill_action(action, uobj, uobj->context->device,
+	uverbs_flow_action_fill_action(action, uobj, &mdev->ib_dev,
 				       IB_FLOW_ACTION_UNSPECIFIED);
 
 	return 0;
@@ -446,7 +446,7 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_FLOW_ACTION_CREATE_PACKET_REFORMAT)(
 {
 	struct ib_uobject *uobj = uverbs_attr_get_uobject(attrs,
 		MLX5_IB_ATTR_CREATE_PACKET_REFORMAT_HANDLE);
-	struct mlx5_ib_dev *mdev = to_mdev(uobj->context->device);
+	struct mlx5_ib_dev *mdev = mlx5_udata_to_mdev(&attrs->driver_udata);
 	enum mlx5_ib_uapi_flow_action_packet_reformat_type dv_prt;
 	enum mlx5_ib_uapi_flow_table_type ft_type;
 	struct mlx5_ib_flow_action *maction;
@@ -494,8 +494,7 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_FLOW_ACTION_CREATE_PACKET_REFORMAT)(
 			goto free_maction;
 	}
 
-	uverbs_flow_action_fill_action(&maction->ib_action, uobj,
-				       uobj->context->device,
+	uverbs_flow_action_fill_action(&maction->ib_action, uobj, &mdev->ib_dev,
 				       IB_FLOW_ACTION_UNSPECIFIED);
 	return 0;
 

drivers/infiniband/hw/mlx5/mlx5_ib.h

@@ -968,6 +968,14 @@ static inline struct mlx5_ib_dev *to_mdev(struct ib_device *ibdev)
 	return container_of(ibdev, struct mlx5_ib_dev, ib_dev);
 }
 
+static inline struct mlx5_ib_dev *mlx5_udata_to_mdev(struct ib_udata *udata)
+{
+	struct mlx5_ib_ucontext *context = rdma_udata_to_drv_context(
+		udata, struct mlx5_ib_ucontext, ibucontext);
+
+	return to_mdev(context->ibucontext.device);
+}
+
 static inline struct mlx5_ib_cq *to_mcq(struct ib_cq *ibcq)
 {
 	return container_of(ibcq, struct mlx5_ib_cq, ibcq);