bnxt_re/lib: Support direct verbs

CMakeLists.txt

@@ -747,6 +747,7 @@ add_subdirectory(librdmacm/man)
 # Providers
 if (HAVE_COHERENT_DMA)
 add_subdirectory(providers/bnxt_re)
+add_subdirectory(providers/bnxt_re/man)
 add_subdirectory(providers/cxgb4) # NO SPARSE
 add_subdirectory(providers/efa)
 add_subdirectory(providers/efa/man)

kernel-headers/rdma/bnxt_re-abi.h

@@ -102,12 +102,17 @@ struct bnxt_re_pd_resp {
 struct bnxt_re_cq_req {
 	__aligned_u64 cq_va;
 	__aligned_u64 cq_handle;
+	__aligned_u64 comp_mask;
 };
 
-enum bnxt_re_cq_mask {
+enum bnxt_re_resp_cq_mask {
 	BNXT_RE_CQ_TOGGLE_PAGE_SUPPORT = 0x1,
 };
 
+enum bnxt_re_req_cq_mask {
+	BNXT_RE_CQ_FIXED_NUM_CQE_ENABLE = 0x1,
+};
+
 struct bnxt_re_cq_resp {
 	__u32 cqid;
 	__u32 tail;
@@ -163,6 +168,8 @@ enum bnxt_re_objects {
 	BNXT_RE_OBJECT_ALLOC_PAGE = (1U << UVERBS_ID_NS_SHIFT),
 	BNXT_RE_OBJECT_NOTIFY_DRV,
 	BNXT_RE_OBJECT_GET_TOGGLE_MEM,
+	BNXT_RE_OBJECT_DBR,
+	BNXT_RE_OBJECT_DEFAULT_DBR,
 };
 
 enum bnxt_re_alloc_page_type {
@@ -231,4 +238,31 @@ struct bnxt_re_packet_pacing_caps {
 struct bnxt_re_query_device_ex_resp {
 	struct bnxt_re_packet_pacing_caps packet_pacing_caps;
 };
+
+struct bnxt_re_db_region {
+	__u32 dpi;
+	__u32 reserved;
+	__aligned_u64 umdbr;
+};
+
+enum bnxt_re_obj_dbr_alloc_attrs {
+	BNXT_RE_ALLOC_DBR_HANDLE = (1U << UVERBS_ID_NS_SHIFT),
+	BNXT_RE_ALLOC_DBR_ATTR,
+	BNXT_RE_ALLOC_DBR_OFFSET,
+};
+
+enum bnxt_re_obj_dbr_free_attrs {
+	BNXT_RE_FREE_DBR_HANDLE = (1U << UVERBS_ID_NS_SHIFT),
+};
+
+enum bnxt_re_obj_default_dbr_attrs {
+	BNXT_RE_DEFAULT_DBR_ATTR = (1U << UVERBS_ID_NS_SHIFT),
+};
+
+enum bnxt_re_obj_dpi_methods {
+	BNXT_RE_METHOD_DBR_ALLOC = (1U << UVERBS_ID_NS_SHIFT),
+	BNXT_RE_METHOD_DBR_FREE,
+	BNXT_RE_METHOD_GET_DEFAULT_DBR,
+};
+
 #endif /* __BNXT_RE_UVERBS_ABI_H__*/

kernel-headers/rdma/ib_user_ioctl_verbs.h

@@ -46,6 +46,7 @@
 
 enum ib_uverbs_core_support {
 	IB_UVERBS_CORE_SUPPORT_OPTIONAL_MR_ACCESS = 1 << 0,
+	IB_UVERBS_CORE_SUPPORT_ROBUST_UDATA = 1 << 1,
 };
 
 enum ib_uverbs_access_flags {

providers/bnxt_re/CMakeLists.txt

@@ -1,6 +1,20 @@
-rdma_provider(bnxt_re
+rdma_shared_provider(bnxt_re bnxt_re.map
+	1 1.1.${PACKAGE_VERSION}
 	db.c
 	main.c
 	memory.c
 	verbs.c
+	dv.c
 )
+
+publish_headers(infiniband
+  bnxt_re-hsi.h
+  bnxt_re_dv.h
+)
+
+rdma_pkg_config("bnxt_re" "libibverbs" "${CMAKE_THREAD_LIBS_INIT}")
+
+if (ENABLE_LTTNG AND LTTNGUST_FOUND)
+  target_include_directories(bnxt_re PUBLIC ".")
+  target_link_libraries(bnxt_re LINK_PRIVATE LTTng::UST)
+endif()