RDMA/ocrdma: Add ABI versioning support
Add ABI versioning support between driver and userspace library.
Signed-off-by: Naresh Gottumukkala <bgottumukkala@emulex.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_abi.h b/drivers/infiniband/hw/ocrdma/ocrdma_abi.h
index e5ea9a9..fbac8eb 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_abi.h
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_abi.h
@@ -28,6 +28,7 @@
#ifndef __OCRDMA_ABI_H__
#define __OCRDMA_ABI_H__
+#define OCRDMA_ABI_VERSION 1
/* user kernel communication data structures. */
struct ocrdma_alloc_ucontext_resp {
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_main.c b/drivers/infiniband/hw/ocrdma/ocrdma_main.c
index 7d43ba9..56e0049 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_main.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_main.c
@@ -39,6 +39,7 @@
#include "ocrdma_ah.h"
#include "be_roce.h"
#include "ocrdma_hw.h"
+#include "ocrdma_abi.h"
MODULE_VERSION(OCRDMA_ROCE_DEV_VERSION);
MODULE_DESCRIPTION("Emulex RoCE HCA Driver");
@@ -265,6 +266,7 @@
memcpy(dev->ibdev.node_desc, OCRDMA_NODE_DESC,
sizeof(OCRDMA_NODE_DESC));
dev->ibdev.owner = THIS_MODULE;
+ dev->ibdev.uverbs_abi_ver = OCRDMA_ABI_VERSION;
dev->ibdev.uverbs_cmd_mask =
OCRDMA_UVERBS(GET_CONTEXT) |
OCRDMA_UVERBS(QUERY_DEVICE) |
