From 21f79afa5fda2820671a8f64c3d0e43bb118053b Mon Sep 17 00:00:00 2001 From: Andy Grover Date: Tue, 12 Jan 2010 12:57:27 -0800 Subject: [PATCH] RDS: fold rdma.h into rds.h RDMA is now an intrinsic part of RDS, so it's easier to just have a single header. Signed-off-by: Andy Grover --- net/rds/af_rds.c | 1 - net/rds/connection.c | 1 - net/rds/ib_rdma.c | 1 - net/rds/ib_send.c | 1 - net/rds/iw_rdma.c | 1 - net/rds/iw_send.c | 1 - net/rds/message.c | 1 - net/rds/rdma.c | 2 +- net/rds/rdma.h | 85 -------------------------------------------- net/rds/rds.h | 76 +++++++++++++++++++++++++++++++++++++++ net/rds/recv.c | 1 - net/rds/send.c | 1 - 12 files changed, 77 insertions(+), 95 deletions(-) delete mode 100644 net/rds/rdma.h diff --git a/net/rds/af_rds.c b/net/rds/af_rds.c index 63474e1f4dd8..ef09340cf7a9 100644 --- a/net/rds/af_rds.c +++ b/net/rds/af_rds.c @@ -39,7 +39,6 @@ #include #include "rds.h" -#include "rdma.h" /* this is just used for stats gathering :/ */ static DEFINE_SPINLOCK(rds_sock_lock); diff --git a/net/rds/connection.c b/net/rds/connection.c index 9c9afb58a143..88bcaf3f3e16 100644 --- a/net/rds/connection.c +++ b/net/rds/connection.c @@ -37,7 +37,6 @@ #include "rds.h" #include "loop.h" -#include "rdma.h" #define RDS_CONNECTION_HASH_BITS 12 #define RDS_CONNECTION_HASH_ENTRIES (1 << RDS_CONNECTION_HASH_BITS) diff --git a/net/rds/ib_rdma.c b/net/rds/ib_rdma.c index a92aebcb7fcf..0f3b5a2f3fe0 100644 --- a/net/rds/ib_rdma.c +++ b/net/rds/ib_rdma.c @@ -34,7 +34,6 @@ #include #include "rds.h" -#include "rdma.h" #include "ib.h" diff --git a/net/rds/ib_send.c b/net/rds/ib_send.c index 53750203c9e5..575fce463c65 100644 --- a/net/rds/ib_send.c +++ b/net/rds/ib_send.c @@ -36,7 +36,6 @@ #include #include "rds.h" -#include "rdma.h" #include "ib.h" static void rds_ib_send_rdma_complete(struct rds_message *rm, diff --git a/net/rds/iw_rdma.c b/net/rds/iw_rdma.c index 13dc1862d862..4e152e2daa3d 100644 --- a/net/rds/iw_rdma.c +++ b/net/rds/iw_rdma.c @@ -34,7 +34,6 @@ #include #include "rds.h" -#include "rdma.h" #include "iw.h" diff --git a/net/rds/iw_send.c b/net/rds/iw_send.c index c187e8fdeab1..62234b804d93 100644 --- a/net/rds/iw_send.c +++ b/net/rds/iw_send.c @@ -36,7 +36,6 @@ #include #include "rds.h" -#include "rdma.h" #include "iw.h" static void rds_iw_send_rdma_complete(struct rds_message *rm, diff --git a/net/rds/message.c b/net/rds/message.c index 3498cbcc7542..fb382fbb5b6f 100644 --- a/net/rds/message.c +++ b/net/rds/message.c @@ -34,7 +34,6 @@ #include #include "rds.h" -#include "rdma.h" static DECLARE_WAIT_QUEUE_HEAD(rds_message_flush_waitq); diff --git a/net/rds/rdma.c b/net/rds/rdma.c index 5011efa62a92..a21edad33950 100644 --- a/net/rds/rdma.c +++ b/net/rds/rdma.c @@ -35,7 +35,7 @@ #include #include /* for DMA_*_DEVICE */ -#include "rdma.h" +#include "rds.h" /* * XXX diff --git a/net/rds/rdma.h b/net/rds/rdma.h deleted file mode 100644 index 909c39835a5d..000000000000 --- a/net/rds/rdma.h +++ /dev/null @@ -1,85 +0,0 @@ -#ifndef _RDS_RDMA_H -#define _RDS_RDMA_H - -#include -#include -#include - -#include "rds.h" - -struct rds_mr { - struct rb_node r_rb_node; - atomic_t r_refcount; - u32 r_key; - - /* A copy of the creation flags */ - unsigned int r_use_once:1; - unsigned int r_invalidate:1; - unsigned int r_write:1; - - /* This is for RDS_MR_DEAD. - * It would be nice & consistent to make this part of the above - * bit field here, but we need to use test_and_set_bit. - */ - unsigned long r_state; - struct rds_sock *r_sock; /* back pointer to the socket that owns us */ - struct rds_transport *r_trans; - void *r_trans_private; -}; - -/* Flags for mr->r_state */ -#define RDS_MR_DEAD 0 - -struct rds_rdma_op { - u32 r_key; - u64 r_remote_addr; - unsigned int r_write:1; - unsigned int r_fence:1; - unsigned int r_notify:1; - unsigned int r_recverr:1; - unsigned int r_mapped:1; - struct rds_notifier *r_notifier; - unsigned int r_bytes; - unsigned int r_nents; - unsigned int r_count; - struct scatterlist r_sg[0]; -}; - -static inline rds_rdma_cookie_t rds_rdma_make_cookie(u32 r_key, u32 offset) -{ - return r_key | (((u64) offset) << 32); -} - -static inline u32 rds_rdma_cookie_key(rds_rdma_cookie_t cookie) -{ - return cookie; -} - -static inline u32 rds_rdma_cookie_offset(rds_rdma_cookie_t cookie) -{ - return cookie >> 32; -} - -int rds_get_mr(struct rds_sock *rs, char __user *optval, int optlen); -int rds_get_mr_for_dest(struct rds_sock *rs, char __user *optval, int optlen); -int rds_free_mr(struct rds_sock *rs, char __user *optval, int optlen); -void rds_rdma_drop_keys(struct rds_sock *rs); -int rds_cmsg_rdma_args(struct rds_sock *rs, struct rds_message *rm, - struct cmsghdr *cmsg); -int rds_cmsg_rdma_dest(struct rds_sock *rs, struct rds_message *rm, - struct cmsghdr *cmsg); -int rds_cmsg_rdma_args(struct rds_sock *rs, struct rds_message *rm, - struct cmsghdr *cmsg); -int rds_cmsg_rdma_map(struct rds_sock *rs, struct rds_message *rm, - struct cmsghdr *cmsg); -void rds_rdma_free_op(struct rds_rdma_op *ro); -void rds_rdma_send_complete(struct rds_message *rm, int); - -extern void __rds_put_mr_final(struct rds_mr *mr); -static inline void rds_mr_put(struct rds_mr *mr) -{ - if (atomic_dec_and_test(&mr->r_refcount)) - __rds_put_mr_final(mr); -} - -#endif diff --git a/net/rds/rds.h b/net/rds/rds.h index d29c71aabbd4..7c4adbe8c284 100644 --- a/net/rds/rds.h +++ b/net/rds/rds.h @@ -206,6 +206,60 @@ struct rds_incoming { rds_rdma_cookie_t i_rdma_cookie; }; +struct rds_mr { + struct rb_node r_rb_node; + atomic_t r_refcount; + u32 r_key; + + /* A copy of the creation flags */ + unsigned int r_use_once:1; + unsigned int r_invalidate:1; + unsigned int r_write:1; + + /* This is for RDS_MR_DEAD. + * It would be nice & consistent to make this part of the above + * bit field here, but we need to use test_and_set_bit. + */ + unsigned long r_state; + struct rds_sock *r_sock; /* back pointer to the socket that owns us */ + struct rds_transport *r_trans; + void *r_trans_private; +}; + +/* Flags for mr->r_state */ +#define RDS_MR_DEAD 0 + +struct rds_rdma_op { + u32 r_key; + u64 r_remote_addr; + unsigned int r_write:1; + unsigned int r_fence:1; + unsigned int r_notify:1; + unsigned int r_recverr:1; + unsigned int r_mapped:1; + unsigned int r_active:1; + struct rds_notifier *r_notifier; + unsigned int r_bytes; + unsigned int r_nents; + unsigned int r_count; + struct scatterlist *r_sg; +}; + +static inline rds_rdma_cookie_t rds_rdma_make_cookie(u32 r_key, u32 offset) +{ + return r_key | (((u64) offset) << 32); +} + +static inline u32 rds_rdma_cookie_key(rds_rdma_cookie_t cookie) +{ + return cookie; +} + +static inline u32 rds_rdma_cookie_offset(rds_rdma_cookie_t cookie) +{ + return cookie >> 32; +} + /* * m_sock_item and m_conn_item are on lists that are serialized under * conn->c_lock. m_sock_item has additional meaning in that once it is empty @@ -654,6 +708,28 @@ struct rds_message *rds_send_get_message(struct rds_connection *, /* rdma.c */ void rds_rdma_unuse(struct rds_sock *rs, u32 r_key, int force); +int rds_get_mr(struct rds_sock *rs, char __user *optval, int optlen); +int rds_get_mr_for_dest(struct rds_sock *rs, char __user *optval, int optlen); +int rds_free_mr(struct rds_sock *rs, char __user *optval, int optlen); +void rds_rdma_drop_keys(struct rds_sock *rs); +int rds_rdma_extra_size(struct rds_rdma_args *args); +int rds_cmsg_rdma_args(struct rds_sock *rs, struct rds_message *rm, + struct cmsghdr *cmsg); +int rds_cmsg_rdma_dest(struct rds_sock *rs, struct rds_message *rm, + struct cmsghdr *cmsg); +int rds_cmsg_rdma_args(struct rds_sock *rs, struct rds_message *rm, + struct cmsghdr *cmsg); +int rds_cmsg_rdma_map(struct rds_sock *rs, struct rds_message *rm, + struct cmsghdr *cmsg); +void rds_rdma_free_op(struct rds_rdma_op *ro); +void rds_rdma_send_complete(struct rds_message *rm, int); + +extern void __rds_put_mr_final(struct rds_mr *mr); +static inline void rds_mr_put(struct rds_mr *mr) +{ + if (atomic_dec_and_test(&mr->r_refcount)) + __rds_put_mr_final(mr); +} /* stats.c */ DECLARE_PER_CPU_SHARED_ALIGNED(struct rds_statistics, rds_stats); diff --git a/net/rds/recv.c b/net/rds/recv.c index 88f1f5aecfa6..5188763b609b 100644 --- a/net/rds/recv.c +++ b/net/rds/recv.c @@ -36,7 +36,6 @@ #include #include "rds.h" -#include "rdma.h" void rds_inc_init(struct rds_incoming *inc, struct rds_connection *conn, __be32 saddr) diff --git a/net/rds/send.c b/net/rds/send.c index 28d09447207b..89e26ffdc812 100644 --- a/net/rds/send.c +++ b/net/rds/send.c @@ -37,7 +37,6 @@ #include #include "rds.h" -#include "rdma.h" /* When transmitting messages in rds_send_xmit, we need to emerge from * time to time and briefly release the CPU. Otherwise the softlock watchdog -- 2.20.1