diff options
Diffstat (limited to 'net/sunrpc/xprtrdma/xprt_rdma.h')
| -rw-r--r-- | net/sunrpc/xprtrdma/xprt_rdma.h | 28 |
1 files changed, 12 insertions, 16 deletions
diff --git a/net/sunrpc/xprtrdma/xprt_rdma.h b/net/sunrpc/xprtrdma/xprt_rdma.h index cb41b12a3bf8..2ca14f7c2d51 100644 --- a/net/sunrpc/xprtrdma/xprt_rdma.h +++ b/net/sunrpc/xprtrdma/xprt_rdma.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ /* * Copyright (c) 2014-2017 Oracle. All rights reserved. * Copyright (c) 2003-2007 Network Appliance, Inc. All rights reserved. @@ -196,6 +197,7 @@ struct rpcrdma_rep { __be32 rr_proc; int rr_wc_flags; u32 rr_inv_rkey; + bool rr_temp; struct rpcrdma_regbuf *rr_rdmabuf; struct rpcrdma_xprt *rr_rxprt; struct work_struct rr_work; @@ -334,6 +336,7 @@ enum { struct rpcrdma_buffer; struct rpcrdma_req { struct list_head rl_list; + struct rpc_rqst rl_slot; struct rpcrdma_buffer *rl_buffer; struct rpcrdma_rep *rl_reply; struct xdr_stream rl_stream; @@ -356,16 +359,10 @@ enum { RPCRDMA_REQ_F_TX_RESOURCES, }; -static inline void -rpcrdma_set_xprtdata(struct rpc_rqst *rqst, struct rpcrdma_req *req) -{ - rqst->rq_xprtdata = req; -} - static inline struct rpcrdma_req * rpcr_to_rdmar(const struct rpc_rqst *rqst) { - return rqst->rq_xprtdata; + return container_of(rqst, struct rpcrdma_req, rl_slot); } static inline void @@ -401,11 +398,12 @@ struct rpcrdma_buffer { struct rpcrdma_sendctx **rb_sc_ctxs; spinlock_t rb_lock; /* protect buf lists */ - int rb_send_count, rb_recv_count; struct list_head rb_send_bufs; struct list_head rb_recv_bufs; + unsigned long rb_flags; u32 rb_max_requests; u32 rb_credits; /* most recent credit grant */ + int rb_posted_receives; u32 rb_bc_srv_max_requests; spinlock_t rb_reqslock; /* protect rb_allreqs */ @@ -420,6 +418,11 @@ struct rpcrdma_buffer { }; #define rdmab_to_ia(b) (&container_of((b), struct rpcrdma_xprt, rx_buf)->rx_ia) +/* rb_flags */ +enum { + RPCRDMA_BUF_F_EMPTY_SCQ = 0, +}; + /* * Internal structure for transport instance creation. This * exists primarily for modularity. @@ -561,18 +564,16 @@ void rpcrdma_ep_disconnect(struct rpcrdma_ep *, struct rpcrdma_ia *); int rpcrdma_ep_post(struct rpcrdma_ia *, struct rpcrdma_ep *, struct rpcrdma_req *); -int rpcrdma_ep_post_recv(struct rpcrdma_ia *, struct rpcrdma_rep *); +void rpcrdma_post_recvs(struct rpcrdma_xprt *r_xprt, bool temp); /* * Buffer calls - xprtrdma/verbs.c */ struct rpcrdma_req *rpcrdma_create_req(struct rpcrdma_xprt *); void rpcrdma_destroy_req(struct rpcrdma_req *); -int rpcrdma_create_rep(struct rpcrdma_xprt *r_xprt); int rpcrdma_buffer_create(struct rpcrdma_xprt *); void rpcrdma_buffer_destroy(struct rpcrdma_buffer *); struct rpcrdma_sendctx *rpcrdma_sendctx_get_locked(struct rpcrdma_buffer *buf); -void rpcrdma_sendctx_put_locked(struct rpcrdma_sendctx *sc); struct rpcrdma_mr *rpcrdma_mr_get(struct rpcrdma_xprt *r_xprt); void rpcrdma_mr_put(struct rpcrdma_mr *mr); @@ -581,7 +582,6 @@ void rpcrdma_mr_defer_recovery(struct rpcrdma_mr *mr); struct rpcrdma_req *rpcrdma_buffer_get(struct rpcrdma_buffer *); void rpcrdma_buffer_put(struct rpcrdma_req *); -void rpcrdma_recv_buffer_get(struct rpcrdma_req *); void rpcrdma_recv_buffer_put(struct rpcrdma_rep *); struct rpcrdma_regbuf *rpcrdma_alloc_regbuf(size_t, enum dma_data_direction, @@ -603,8 +603,6 @@ rpcrdma_dma_map_regbuf(struct rpcrdma_ia *ia, struct rpcrdma_regbuf *rb) return __rpcrdma_dma_map_regbuf(ia, rb); } -int rpcrdma_ep_post_extra_recv(struct rpcrdma_xprt *, unsigned int); - int rpcrdma_alloc_wq(void); void rpcrdma_destroy_wq(void); @@ -675,5 +673,3 @@ void xprt_rdma_bc_destroy(struct rpc_xprt *, unsigned int); extern struct xprt_class xprt_rdma_bc; #endif /* _LINUX_SUNRPC_XPRT_RDMA_H */ - -#include <trace/events/rpcrdma.h> |