1 files changed, 65 insertions, 41 deletions

diff --git a/include/linux/rds.h b/include/linux/rds.h
index 7f3971d9fc5c..91950950aa59 100644
--- a/include/linux/rds.h
+++ b/include/linux/rds.h
@@ -73,6 +73,10 @@
 #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_CMSG_MASKED_ATOMIC_FADD     8
+#define RDS_CMSG_MASKED_ATOMIC_CSWP     9
 
 #define RDS_INFO_FIRST                  10000
 #define RDS_INFO_COUNTERS               10000
@@ -89,9 +93,9 @@
 #define RDS_INFO_LAST                   10010
 
 struct rds_info_counter {
-        u_int8_t        name[32];
-        u_int64_t       value;
-} __packed;
+        uint8_t name[32];
+        uint64_t        value;
+} __attribute__((packed));
 
 #define RDS_INFO_CONNECTION_FLAG_SENDING        0x01
 #define RDS_INFO_CONNECTION_FLAG_CONNECTING     0x02
@@ -100,56 +104,48 @@ struct rds_info_counter {
 #define TRANSNAMSIZ     16
 
 struct rds_info_connection {
-        u_int64_t       next_tx_seq;
-        u_int64_t       next_rx_seq;
+        uint64_t        next_tx_seq;
+        uint64_t        next_rx_seq;
         __be32          laddr;
         __be32          faddr;
-        u_int8_t        transport[TRANSNAMSIZ];         /* null term ascii */
-        u_int8_t        flags;
-} __packed;
-
-struct rds_info_flow {
-        __be32          laddr;
-        __be32          faddr;
-        u_int32_t       bytes;
-        __be16          lport;
-        __be16          fport;
-} __packed;
+        uint8_t transport[TRANSNAMSIZ];         /* null term ascii */
+        uint8_t flags;
+} __attribute__((packed));
 
 #define RDS_INFO_MESSAGE_FLAG_ACK               0x01
 #define RDS_INFO_MESSAGE_FLAG_FAST_ACK          0x02
 
 struct rds_info_message {
-        u_int64_t       seq;
-        u_int32_t       len;
+        uint64_t        seq;
+        uint32_t        len;
         __be32          laddr;
         __be32          faddr;
         __be16          lport;
         __be16          fport;
-        u_int8_t        flags;
-} __packed;
+        uint8_t flags;
+} __attribute__((packed));
 
 struct rds_info_socket {
-        u_int32_t       sndbuf;
+        uint32_t        sndbuf;
         __be32          bound_addr;
         __be32          connected_addr;
         __be16          bound_port;
         __be16          connected_port;
-        u_int32_t       rcvbuf;
-        u_int64_t       inum;
-} __packed;
+        uint32_t        rcvbuf;
+        uint64_t        inum;
+} __attribute__((packed));
 
 struct rds_info_tcp_socket {
         __be32          local_addr;
         __be16          local_port;
         __be32          peer_addr;
         __be16          peer_port;
-        u_int64_t       hdr_rem;
-        u_int64_t       data_rem;
-        u_int32_t       last_sent_nxt;
-        u_int32_t       last_expected_una;
-        u_int32_t       last_seen_una;
-} __packed;
+        uint64_t       hdr_rem;
+        uint64_t       data_rem;
+        uint32_t       last_sent_nxt;
+        uint32_t       last_expected_una;
+        uint32_t       last_seen_una;
+} __attribute__((packed));
 
 #define RDS_IB_GID_LEN  16
 struct rds_info_rdma_connection {
@@ -203,42 +199,69 @@ struct rds_info_rdma_connection {
  * (so that the application does not have to worry about
  * alignment).
  */
-typedef u_int64_t       rds_rdma_cookie_t;
+typedef uint64_t        rds_rdma_cookie_t;
 
 struct rds_iovec {
-        u_int64_t       addr;
-        u_int64_t       bytes;
+        uint64_t        addr;
+        uint64_t        bytes;
 };
 
 struct rds_get_mr_args {
         struct rds_iovec vec;
-        u_int64_t       cookie_addr;
+        uint64_t        cookie_addr;
         uint64_t        flags;
 };
 
 struct rds_get_mr_for_dest_args {
         struct sockaddr_storage dest_addr;
         struct rds_iovec        vec;
-        u_int64_t               cookie_addr;
+        uint64_t                cookie_addr;
         uint64_t                flags;
 };
 
 struct rds_free_mr_args {
         rds_rdma_cookie_t cookie;
-        u_int64_t       flags;
+        uint64_t        flags;
 };
 
 struct rds_rdma_args {
         rds_rdma_cookie_t cookie;
         struct rds_iovec remote_vec;
-        u_int64_t       local_vec_addr;
-        u_int64_t       nr_local;
-        u_int64_t       flags;
-        u_int64_t       user_token;
+        uint64_t        local_vec_addr;
+        uint64_t        nr_local;
+        uint64_t        flags;
+        uint64_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;
+                struct {
+                        uint64_t        compare;
+                        uint64_t        swap;
+                        uint64_t        compare_mask;
+                        uint64_t        swap_mask;
+                } m_cswp;
+                struct {
+                        uint64_t        add;
+                        uint64_t        nocarry_mask;
+                } m_fadd;
+        };
+        uint64_t        flags;
+        uint64_t        user_token;
 };
 
 struct rds_rdma_notify {
-        u_int64_t       user_token;
+        uint64_t        user_token;
         int32_t         status;
 };
 
@@ -257,5 +280,6 @@ struct rds_rdma_notify {
 #define RDS_RDMA_USE_ONCE       0x0008  /* free MR after use */
 #define RDS_RDMA_DONTWAIT       0x0010  /* Don't wait in SET_BARRIER */
 #define RDS_RDMA_NOTIFY_ME      0x0020  /* Notify when operation completes */
+#define RDS_RDMA_SILENT         0x0040  /* Do not interrupt remote */
 
 #endif /* IB_RDS_H */