Update kernel headers

Commit Message

Arumugam, Kamenee Dec. 12, 2018, 3:44 p.m. UTC

To commit ?? ("IB/hfi1: Move rvt_cq_wc struct into uapi directory")

Signed-off-by: "Kamenee Arumugam" <[e-mail]>
---
 kernel-headers/CMakeLists.txt |    1 +
 kernel-headers/rdma/rvt-abi.h |   31 +++++++++++++++++++++++++++++++
 2 files changed, 32 insertions(+), 0 deletions(-)
 create mode 100644 kernel-headers/rdma/rvt-abi.h

Patch

diff --git a/kernel-headers/CMakeLists.txt b/kernel-headers/CMakeLists.txt
index 16ba165..e00eadb 100644
--- a/kernel-headers/CMakeLists.txt
+++ b/kernel-headers/CMakeLists.txt
@@ -23,6 +23,7 @@  publish_internal_headers(rdma
   rdma/rdma_user_ioctl.h
   rdma/rdma_user_ioctl_cmds.h
   rdma/rdma_user_rxe.h
+  rdma/rvt-abi.h
   rdma/vmw_pvrdma-abi.h
   )
 
diff --git a/kernel-headers/rdma/rvt-abi.h b/kernel-headers/rdma/rvt-abi.h
new file mode 100644
index 0000000..c30f2fe
--- /dev/null
+++ b/kernel-headers/rdma/rvt-abi.h
@@ -0,0 +1,31 @@ 
+/* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */
+
+/*
+ * This file contains defines, structures, etc. that are used
+ * to communicate between kernel and user code.
+ */
+
+#ifndef RVT_ABI_USER_H
+#define RVT_ABI_USER_H
+
+#include <linux/types.h>
+#include <rdma/ib_user_verbs.h>
+#ifndef RDMA_ATOMIC_UAPI
+#define RDMA_ATOMIC_UAPI(_type, _name) _type _name
+#endif
+/*
+ * This structure is used to contain the head pointer, tail pointer,
+ * and completion queue entries as a single memory allocation so
+ * it can be mmap'ed into user space.
+ */
+struct rvt_cq_wc {
+	/* index of next entry to fill */
+	RDMA_ATOMIC_UAPI(__u32, head);
+	/* index of next ib_poll_cq() entry */
+	RDMA_ATOMIC_UAPI(__u32, tail);
+
+	/* these are actually size ibcq.cqe + 1 */
+	struct ib_uverbs_wc uqueue[0];
+};
+
+#endif /* RVT_ABI_USER_H */