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-rw-r--r--net/rds/rds.h24
1 files changed, 19 insertions, 5 deletions
diff --git a/net/rds/rds.h b/net/rds/rds.h
index f0066d168499..e4a603523083 100644
--- a/net/rds/rds.h
+++ b/net/rds/rds.h
@@ -40,7 +40,6 @@
#ifdef ATOMIC64_INIT
#define KERNEL_HAS_ATOMIC64
#endif
-
#ifdef RDS_DEBUG
#define rdsdebug(fmt, args...) pr_debug("%s(): " fmt, __func__ , ##args)
#else
@@ -271,6 +270,12 @@ struct rds_ext_header_rdma_dest {
#define RDS_MSG_RX_END 2
#define RDS_MSG_RX_CMSG 3
+/* The following values are whitelisted for usercopy */
+struct rds_inc_usercopy {
+ rds_rdma_cookie_t rdma_cookie;
+ ktime_t rx_tstamp;
+};
+
struct rds_incoming {
refcount_t i_refcount;
struct list_head i_item;
@@ -280,8 +285,7 @@ struct rds_incoming {
unsigned long i_rx_jiffies;
struct in6_addr i_saddr;
- rds_rdma_cookie_t i_rdma_cookie;
- ktime_t i_rx_tstamp;
+ struct rds_inc_usercopy i_usercopy;
u64 i_rx_lat_trace[RDS_RX_MAX_TRACES];
};
@@ -473,6 +477,9 @@ struct rds_message {
struct rds_notifier *op_notifier;
struct rds_mr *op_rdma_mr;
+
+ u64 op_odp_addr;
+ struct rds_mr *op_odp_mr;
} rdma;
struct rm_data_op {
unsigned int op_active:1;
@@ -568,7 +575,8 @@ struct rds_transport {
void (*exit)(void);
void *(*get_mr)(struct scatterlist *sg, unsigned long nr_sg,
struct rds_sock *rs, u32 *key_ret,
- struct rds_connection *conn);
+ struct rds_connection *conn,
+ u64 start, u64 length, int need_odp);
void (*sync_mr)(void *trans_private, int direction);
void (*free_mr)(void *trans_private, int invalidate);
void (*flush_mrs)(void);
@@ -717,7 +725,7 @@ struct rds_statistics {
uint64_t s_cong_send_blocked;
uint64_t s_recv_bytes_added_to_socket;
uint64_t s_recv_bytes_removed_from_socket;
-
+ uint64_t s_send_stuck_rm;
};
/* af_rds.c */
@@ -951,6 +959,12 @@ static inline bool rds_destroy_pending(struct rds_connection *conn)
(conn->c_trans->t_unloading && conn->c_trans->t_unloading(conn));
}
+enum {
+ ODP_NOT_NEEDED,
+ ODP_ZEROBASED,
+ ODP_VIRTUAL
+};
+
/* stats.c */
DECLARE_PER_CPU_SHARED_ALIGNED(struct rds_statistics, rds_stats);
#define rds_stats_inc_which(which, member) do { \
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