[PATCH rdma-core 2/6] hns: Move hns to exclusively use the kernel uapi headers

[Jason Gunthorpe <jgg@xxxxxxxx>]

From: Jason Gunthorpe <jgg@xxxxxxxxxxxx>

Using the driver support macros we can now directly create the
required driver structs automatically.

Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxxxx>
---
 kernel-headers/CMakeLists.txt    |  1 +
 providers/hns/hns_roce_u_abi.h   | 49 +++++++++-------------------------------
 providers/hns/hns_roce_u_verbs.c |  2 +-
 3 files changed, 13 insertions(+), 39 deletions(-)

diff --git a/kernel-headers/CMakeLists.txt b/kernel-headers/CMakeLists.txt
index e28ae68ee48b35..1c4662007a02a3 100644
--- a/kernel-headers/CMakeLists.txt
+++ b/kernel-headers/CMakeLists.txt
@@ -57,6 +57,7 @@ endfunction()
 rdma_kernel_provider_abi(
   rdma/bnxt_re-abi.h
   rdma/cxgb4-abi.h
+  rdma/hns-abi.h
   rdma/i40iw-abi.h
   rdma/ib_user_verbs.h
   rdma/mlx4-abi.h
diff --git a/providers/hns/hns_roce_u_abi.h b/providers/hns/hns_roce_u_abi.h
index a3742e2d91bcc2..3b646b6cd6d4ec 100644
--- a/providers/hns/hns_roce_u_abi.h
+++ b/providers/hns/hns_roce_u_abi.h
@@ -34,43 +34,16 @@
 #define _HNS_ROCE_U_ABI_H
 
 #include <infiniband/kern-abi.h>
+#include <rdma/hns-abi.h>
+#include <kernel-abi/hns-abi.h>
+
+DECLARE_DRV_CMD(hns_roce_alloc_pd, IB_USER_VERBS_CMD_ALLOC_PD,
+		empty, hns_roce_ib_alloc_pd_resp);
+DECLARE_DRV_CMD(hns_roce_create_cq, IB_USER_VERBS_CMD_CREATE_CQ,
+		hns_roce_ib_create_cq, hns_roce_ib_create_cq_resp);
+DECLARE_DRV_CMD(hns_roce_create_qp, IB_USER_VERBS_CMD_CREATE_QP,
+		hns_roce_ib_create_qp, hns_roce_ib_create_qp_resp);
+DECLARE_DRV_CMD(hns_roce_alloc_ucontext, IB_USER_VERBS_CMD_GET_CONTEXT,
+		empty, hns_roce_ib_alloc_ucontext_resp);
 
-struct hns_roce_alloc_ucontext_resp {
-	struct ib_uverbs_get_context_resp	ibv_resp;
-	__u32				qp_tab_size;
-	__u32				reserved;
-};
-
-struct hns_roce_alloc_pd_resp {
-	struct ib_uverbs_alloc_pd_resp	ibv_resp;
-	__u32				pdn;
-	__u32				reserved;
-};
-
-struct hns_roce_create_cq {
-	struct ibv_create_cq		ibv_cmd;
-	__u64				buf_addr;
-	__u64				db_addr;
-};
-
-struct hns_roce_create_cq_resp {
-	struct ib_uverbs_create_cq_resp	ibv_resp;
-	__u64				cqn; /* Only 32 bits used, 64 for compat */
-	__u64				cap_flags;
-};
-
-struct hns_roce_create_qp {
-	struct ibv_create_qp		ibv_cmd;
-	__u64				buf_addr;
-	__u64				db_addr;
-	__u8				log_sq_bb_count;
-	__u8				log_sq_stride;
-	__u8				sq_no_prefetch;
-	__u8				reserved[5];
-};
-
-struct hns_roce_create_qp_resp {
-	struct ib_uverbs_create_qp_resp	base;
-	__u64				cap_flags;
-};
 #endif /* _HNS_ROCE_U_ABI_H */
diff --git a/providers/hns/hns_roce_u_verbs.c b/providers/hns/hns_roce_u_verbs.c
index 24dbbceb58c263..2fc536782476d6 100644
--- a/providers/hns/hns_roce_u_verbs.c
+++ b/providers/hns/hns_roce_u_verbs.c
@@ -605,7 +605,7 @@ struct ibv_qp *hns_roce_u_create_qp(struct ibv_pd *pd,
 	pthread_mutex_lock(&to_hr_ctx(pd->context)->qp_table_mutex);
 
 	ret = ibv_cmd_create_qp(pd, &qp->ibv_qp, attr, &cmd.ibv_cmd,
-				sizeof(cmd), &resp.base, sizeof(resp));
+				sizeof(cmd), &resp.ibv_resp, sizeof(resp));
 	if (ret) {
 		fprintf(stderr, "ibv_cmd_create_qp failed!\n");
 		goto err_rq_db;
-- 
2.16.2

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