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-rw-r--r--include/linux/rds.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/include/linux/rds.h b/include/linux/rds.h
index 7f3971d..9239152 100644
--- a/include/linux/rds.h
+++ b/include/linux/rds.h
@@ -73,6 +73,8 @@
#define RDS_CMSG_RDMA_MAP 3
#define RDS_CMSG_RDMA_STATUS 4
#define RDS_CMSG_CONG_UPDATE 5
+#define RDS_CMSG_ATOMIC_FADD 6
+#define RDS_CMSG_ATOMIC_CSWP 7
#define RDS_INFO_FIRST 10000
#define RDS_INFO_COUNTERS 10000
@@ -237,6 +239,23 @@ struct rds_rdma_args {
u_int64_t user_token;
};
+struct rds_atomic_args {
+ rds_rdma_cookie_t cookie;
+ uint64_t local_addr;
+ uint64_t remote_addr;
+ union {
+ struct {
+ uint64_t compare;
+ uint64_t swap;
+ } cswp;
+ struct {
+ uint64_t add;
+ } fadd;
+ };
+ uint64_t flags;
+ uint64_t user_token;
+};
+
struct rds_rdma_notify {
u_int64_t user_token;
int32_t status;