bnxt_re/lib: Add new uapi to notify the driver

Add uverb API to notify the driver about the doorbell FIFO congestion. Signed-off-by: Chandramohan Akula <[email protected]> Signed-off-by: Selvin Xavier <[email protected]>
linux-rdma · Aug 2, 2023 · 3a1e777 · 3a1e777
1 parent 291ca55
commit 3a1e777
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diff --git a/providers/bnxt_re/main.h b/providers/bnxt_re/main.h
@@ -258,6 +258,8 @@ void bnxt_re_put_pbuf(struct bnxt_re_context *cntx,
 int bnxt_re_alloc_page(struct ibv_context *ibvctx,
  struct bnxt_re_mmap_info *minfo,
  uint32_t *page_handle);
+int bnxt_re_notify_drv(struct ibv_context *ibvctx);
+
 /* pointer conversion functions*/
 static inline struct bnxt_re_dev *to_bnxt_re_dev(struct ibv_device *ibvdev)
 {

diff --git a/providers/bnxt_re/verbs.c b/providers/bnxt_re/verbs.c
@@ -102,6 +102,16 @@ static int bnxt_re_map_db_page(struct ibv_context *ibvctx,
  return 0;
 }
 
+int bnxt_re_notify_drv(struct ibv_context *ibvctx)
+{
+ DECLARE_COMMAND_BUFFER(cmd,
+ BNXT_RE_OBJECT_NOTIFY_DRV,
+ BNXT_RE_METHOD_NOTIFY_DRV,
+ 0);
+
+ return execute_ioctl(ibvctx, cmd);
+}
+
 int bnxt_re_alloc_page(struct ibv_context *ibvctx,
  struct bnxt_re_mmap_info *minfo,
  uint32_t *page_handle)