RDMA/uverbs: Convert the write interface to use uverbs_api

This organizes the write commands into objects and links them to the
uverbs_api data structure. The command path is reworked to use uapi
instead of its internal structures.

The command mask is moved from a runtime check to a registration time
check in the uapi.

Since the write interface does not have the object ID as part of the
command, the radix bins are converted into linear lists to support the
lookup.

Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>

1 files changed, 132 insertions, 0 deletions

diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index a93853770e3c..e82514284b19 100644
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -4126,3 +4126,135 @@ int ib_uverbs_ex_modify_cq(struct ib_uverbs_file *file,
 
 	return ret;
 }
+
+const struct uapi_definition uverbs_def_write_intf[] = {
+	DECLARE_UVERBS_OBJECT(UVERBS_OBJECT_AH,
+			      DECLARE_UVERBS_WRITE(IB_USER_VERBS_CMD_CREATE_AH,
+						   ib_uverbs_create_ah),
+			      DECLARE_UVERBS_WRITE(IB_USER_VERBS_CMD_DESTROY_AH,
+						   ib_uverbs_destroy_ah)),
+
+	DECLARE_UVERBS_OBJECT(
+		UVERBS_OBJECT_COMP_CHANNEL,
+		DECLARE_UVERBS_WRITE(IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL,
+				     ib_uverbs_create_comp_channel)),
+
+	DECLARE_UVERBS_OBJECT(
+		UVERBS_OBJECT_CQ,
+		DECLARE_UVERBS_WRITE(IB_USER_VERBS_CMD_CREATE_CQ,
+				     ib_uverbs_create_cq),
+		DECLARE_UVERBS_WRITE(IB_USER_VERBS_CMD_DESTROY_CQ,
+				     ib_uverbs_destroy_cq),
+		DECLARE_UVERBS_WRITE(IB_USER_VERBS_CMD_POLL_CQ,
+				     ib_uverbs_poll_cq),
+		DECLARE_UVERBS_WRITE(IB_USER_VERBS_CMD_REQ_NOTIFY_CQ,
+				     ib_uverbs_req_notify_cq),
+		DECLARE_UVERBS_WRITE(IB_USER_VERBS_CMD_RESIZE_CQ,
+				     ib_uverbs_resize_cq),
+		DECLARE_UVERBS_WRITE_EX(IB_USER_VERBS_EX_CMD_CREATE_CQ,
+					ib_uverbs_ex_create_cq),
+		DECLARE_UVERBS_WRITE_EX(IB_USER_VERBS_EX_CMD_MODIFY_CQ,
+					ib_uverbs_ex_modify_cq)),
+
+	DECLARE_UVERBS_OBJECT(
+		UVERBS_OBJECT_DEVICE,
+		DECLARE_UVERBS_WRITE(IB_USER_VERBS_CMD_GET_CONTEXT,
+				     ib_uverbs_get_context),
+		DECLARE_UVERBS_WRITE(IB_USER_VERBS_CMD_QUERY_DEVICE,
+				     ib_uverbs_query_device),
+		DECLARE_UVERBS_WRITE(IB_USER_VERBS_CMD_QUERY_PORT,
+				     ib_uverbs_query_port),
+		DECLARE_UVERBS_WRITE_EX(IB_USER_VERBS_EX_CMD_QUERY_DEVICE,
+					ib_uverbs_ex_query_device)),
+
+	DECLARE_UVERBS_OBJECT(
+		UVERBS_OBJECT_FLOW,
+		DECLARE_UVERBS_WRITE_EX(IB_USER_VERBS_EX_CMD_CREATE_FLOW,
+					ib_uverbs_ex_create_flow),
+		DECLARE_UVERBS_WRITE_EX(IB_USER_VERBS_EX_CMD_DESTROY_FLOW,
+					ib_uverbs_ex_destroy_flow)),
+
+	DECLARE_UVERBS_OBJECT(UVERBS_OBJECT_MR,
+			      DECLARE_UVERBS_WRITE(IB_USER_VERBS_CMD_DEREG_MR,
+						   ib_uverbs_dereg_mr),
+			      DECLARE_UVERBS_WRITE(IB_USER_VERBS_CMD_REG_MR,
+						   ib_uverbs_reg_mr),
+			      DECLARE_UVERBS_WRITE(IB_USER_VERBS_CMD_REREG_MR,
+						   ib_uverbs_rereg_mr)),
+
+	DECLARE_UVERBS_OBJECT(UVERBS_OBJECT_MW,
+			      DECLARE_UVERBS_WRITE(IB_USER_VERBS_CMD_ALLOC_MW,
+						   ib_uverbs_alloc_mw),
+			      DECLARE_UVERBS_WRITE(IB_USER_VERBS_CMD_DEALLOC_MW,
+						   ib_uverbs_dealloc_mw)),
+
+	DECLARE_UVERBS_OBJECT(UVERBS_OBJECT_PD,
+			      DECLARE_UVERBS_WRITE(IB_USER_VERBS_CMD_ALLOC_PD,
+						   ib_uverbs_alloc_pd),
+			      DECLARE_UVERBS_WRITE(IB_USER_VERBS_CMD_DEALLOC_PD,
+						   ib_uverbs_dealloc_pd)),
+
+	DECLARE_UVERBS_OBJECT(
+		UVERBS_OBJECT_QP,
+		DECLARE_UVERBS_WRITE(IB_USER_VERBS_CMD_ATTACH_MCAST,
+				     ib_uverbs_attach_mcast),
+		DECLARE_UVERBS_WRITE(IB_USER_VERBS_CMD_CREATE_QP,
+				     ib_uverbs_create_qp),
+		DECLARE_UVERBS_WRITE(IB_USER_VERBS_CMD_DESTROY_QP,
+				     ib_uverbs_destroy_qp),
+		DECLARE_UVERBS_WRITE(IB_USER_VERBS_CMD_DETACH_MCAST,
+				     ib_uverbs_detach_mcast),
+		DECLARE_UVERBS_WRITE(IB_USER_VERBS_CMD_MODIFY_QP,
+				     ib_uverbs_modify_qp),
+		DECLARE_UVERBS_WRITE(IB_USER_VERBS_CMD_POST_RECV,
+				     ib_uverbs_post_recv),
+		DECLARE_UVERBS_WRITE(IB_USER_VERBS_CMD_POST_SEND,
+				     ib_uverbs_post_send),
+		DECLARE_UVERBS_WRITE(IB_USER_VERBS_CMD_QUERY_QP,
+				     ib_uverbs_query_qp),
+		DECLARE_UVERBS_WRITE_EX(IB_USER_VERBS_EX_CMD_CREATE_QP,
+					ib_uverbs_ex_create_qp),
+		DECLARE_UVERBS_WRITE_EX(IB_USER_VERBS_EX_CMD_MODIFY_QP,
+					ib_uverbs_ex_modify_qp)),
+
+	DECLARE_UVERBS_OBJECT(
+		UVERBS_OBJECT_RWQ_IND_TBL,
+		DECLARE_UVERBS_WRITE_EX(IB_USER_VERBS_EX_CMD_CREATE_RWQ_IND_TBL,
+					ib_uverbs_ex_create_rwq_ind_table),
+		DECLARE_UVERBS_WRITE_EX(IB_USER_VERBS_EX_CMD_DESTROY_RWQ_IND_TBL,
+					ib_uverbs_ex_destroy_rwq_ind_table)),
+
+	DECLARE_UVERBS_OBJECT(
+		UVERBS_OBJECT_WQ,
+		DECLARE_UVERBS_WRITE_EX(IB_USER_VERBS_EX_CMD_CREATE_WQ,
+					ib_uverbs_ex_create_wq),
+		DECLARE_UVERBS_WRITE_EX(IB_USER_VERBS_EX_CMD_DESTROY_WQ,
+					ib_uverbs_ex_destroy_wq),
+		DECLARE_UVERBS_WRITE_EX(IB_USER_VERBS_EX_CMD_MODIFY_WQ,
+					ib_uverbs_ex_modify_wq)),
+
+	DECLARE_UVERBS_OBJECT(
+		UVERBS_OBJECT_SRQ,
+		DECLARE_UVERBS_WRITE(IB_USER_VERBS_CMD_CREATE_SRQ,
+				     ib_uverbs_create_srq),
+		DECLARE_UVERBS_WRITE(IB_USER_VERBS_CMD_CREATE_XSRQ,
+				     ib_uverbs_create_xsrq),
+		DECLARE_UVERBS_WRITE(IB_USER_VERBS_CMD_DESTROY_SRQ,
+				     ib_uverbs_destroy_srq),
+		DECLARE_UVERBS_WRITE(IB_USER_VERBS_CMD_MODIFY_SRQ,
+				     ib_uverbs_modify_srq),
+		DECLARE_UVERBS_WRITE(IB_USER_VERBS_CMD_POST_SRQ_RECV,
+				     ib_uverbs_post_srq_recv),
+		DECLARE_UVERBS_WRITE(IB_USER_VERBS_CMD_QUERY_SRQ,
+				     ib_uverbs_query_srq)),
+
+	DECLARE_UVERBS_OBJECT(UVERBS_OBJECT_XRCD,
+			      DECLARE_UVERBS_WRITE(IB_USER_VERBS_CMD_CLOSE_XRCD,
+						   ib_uverbs_close_xrcd),
+			      DECLARE_UVERBS_WRITE(IB_USER_VERBS_CMD_OPEN_QP,
+						   ib_uverbs_open_qp),
+			      DECLARE_UVERBS_WRITE(IB_USER_VERBS_CMD_OPEN_XRCD,
+						   ib_uverbs_open_xrcd)),
+
+	{},
+};