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Diffstat (limited to 'net/sunrpc/xprtrdma/xprt_rdma.h')
-rw-r--r--net/sunrpc/xprtrdma/xprt_rdma.h116
1 files changed, 61 insertions, 55 deletions
diff --git a/net/sunrpc/xprtrdma/xprt_rdma.h b/net/sunrpc/xprtrdma/xprt_rdma.h
index 1342f743f1c4..69883a960a3f 100644
--- a/net/sunrpc/xprtrdma/xprt_rdma.h
+++ b/net/sunrpc/xprtrdma/xprt_rdma.h
@@ -73,11 +73,10 @@ struct rpcrdma_ia {
struct completion ri_remove_done;
int ri_async_rc;
unsigned int ri_max_segs;
- unsigned int ri_max_frmr_depth;
+ unsigned int ri_max_frwr_depth;
unsigned int ri_max_inline_write;
unsigned int ri_max_inline_read;
unsigned int ri_max_send_sges;
- bool ri_reminv_expected;
bool ri_implicit_roundup;
enum ib_mr_type ri_mrtype;
unsigned long ri_flags;
@@ -101,7 +100,6 @@ struct rpcrdma_ep {
wait_queue_head_t rep_connect_wait;
struct rpcrdma_connect_private rep_cm_private;
struct rdma_conn_param rep_remote_cma;
- struct sockaddr_storage rep_remote_addr;
struct delayed_work rep_connect_worker;
};
@@ -232,29 +230,29 @@ enum {
};
/*
- * struct rpcrdma_mw - external memory region metadata
+ * struct rpcrdma_mr - external memory region metadata
*
* An external memory region is any buffer or page that is registered
* on the fly (ie, not pre-registered).
*
- * Each rpcrdma_buffer has a list of free MWs anchored in rb_mws. During
+ * Each rpcrdma_buffer has a list of free MWs anchored in rb_mrs. During
* call_allocate, rpcrdma_buffer_get() assigns one to each segment in
* an rpcrdma_req. Then rpcrdma_register_external() grabs these to keep
* track of registration metadata while each RPC is pending.
* rpcrdma_deregister_external() uses this metadata to unmap and
* release these resources when an RPC is complete.
*/
-enum rpcrdma_frmr_state {
- FRMR_IS_INVALID, /* ready to be used */
- FRMR_IS_VALID, /* in use */
- FRMR_FLUSHED_FR, /* flushed FASTREG WR */
- FRMR_FLUSHED_LI, /* flushed LOCALINV WR */
+enum rpcrdma_frwr_state {
+ FRWR_IS_INVALID, /* ready to be used */
+ FRWR_IS_VALID, /* in use */
+ FRWR_FLUSHED_FR, /* flushed FASTREG WR */
+ FRWR_FLUSHED_LI, /* flushed LOCALINV WR */
};
-struct rpcrdma_frmr {
+struct rpcrdma_frwr {
struct ib_mr *fr_mr;
struct ib_cqe fr_cqe;
- enum rpcrdma_frmr_state fr_state;
+ enum rpcrdma_frwr_state fr_state;
struct completion fr_linv_done;
union {
struct ib_reg_wr fr_regwr;
@@ -267,26 +265,20 @@ struct rpcrdma_fmr {
u64 *fm_physaddrs;
};
-struct rpcrdma_mw {
- struct list_head mw_list;
- struct scatterlist *mw_sg;
- int mw_nents;
- enum dma_data_direction mw_dir;
- unsigned long mw_flags;
+struct rpcrdma_mr {
+ struct list_head mr_list;
+ struct scatterlist *mr_sg;
+ int mr_nents;
+ enum dma_data_direction mr_dir;
union {
struct rpcrdma_fmr fmr;
- struct rpcrdma_frmr frmr;
+ struct rpcrdma_frwr frwr;
};
- struct rpcrdma_xprt *mw_xprt;
- u32 mw_handle;
- u32 mw_length;
- u64 mw_offset;
- struct list_head mw_all;
-};
-
-/* mw_flags */
-enum {
- RPCRDMA_MW_F_RI = 1,
+ struct rpcrdma_xprt *mr_xprt;
+ u32 mr_handle;
+ u32 mr_length;
+ u64 mr_offset;
+ struct list_head mr_all;
};
/*
@@ -362,8 +354,7 @@ struct rpcrdma_req {
/* rl_flags */
enum {
- RPCRDMA_REQ_F_BACKCHANNEL = 0,
- RPCRDMA_REQ_F_PENDING,
+ RPCRDMA_REQ_F_PENDING = 0,
RPCRDMA_REQ_F_TX_RESOURCES,
};
@@ -374,25 +365,25 @@ rpcrdma_set_xprtdata(struct rpc_rqst *rqst, struct rpcrdma_req *req)
}
static inline struct rpcrdma_req *
-rpcr_to_rdmar(struct rpc_rqst *rqst)
+rpcr_to_rdmar(const struct rpc_rqst *rqst)
{
return rqst->rq_xprtdata;
}
static inline void
-rpcrdma_push_mw(struct rpcrdma_mw *mw, struct list_head *list)
+rpcrdma_mr_push(struct rpcrdma_mr *mr, struct list_head *list)
{
- list_add_tail(&mw->mw_list, list);
+ list_add_tail(&mr->mr_list, list);
}
-static inline struct rpcrdma_mw *
-rpcrdma_pop_mw(struct list_head *list)
+static inline struct rpcrdma_mr *
+rpcrdma_mr_pop(struct list_head *list)
{
- struct rpcrdma_mw *mw;
+ struct rpcrdma_mr *mr;
- mw = list_first_entry(list, struct rpcrdma_mw, mw_list);
- list_del(&mw->mw_list);
- return mw;
+ mr = list_first_entry(list, struct rpcrdma_mr, mr_list);
+ list_del(&mr->mr_list);
+ return mr;
}
/*
@@ -402,8 +393,8 @@ rpcrdma_pop_mw(struct list_head *list)
* One of these is associated with a transport instance
*/
struct rpcrdma_buffer {
- spinlock_t rb_mwlock; /* protect rb_mws list */
- struct list_head rb_mws;
+ spinlock_t rb_mrlock; /* protect rb_mrs list */
+ struct list_head rb_mrs;
struct list_head rb_all;
unsigned long rb_sc_head;
@@ -438,13 +429,11 @@ struct rpcrdma_buffer {
* This data should be set with mount options
*/
struct rpcrdma_create_data_internal {
- struct sockaddr_storage addr; /* RDMA server address */
unsigned int max_requests; /* max requests (slots) in flight */
unsigned int rsize; /* mount rsize - max read hdr+data */
unsigned int wsize; /* mount wsize - max write hdr+data */
unsigned int inline_rsize; /* max non-rdma read data payload */
unsigned int inline_wsize; /* max non-rdma write data payload */
- unsigned int padding; /* non-rdma write header padding */
};
/*
@@ -484,17 +473,19 @@ struct rpcrdma_memreg_ops {
struct rpcrdma_mr_seg *
(*ro_map)(struct rpcrdma_xprt *,
struct rpcrdma_mr_seg *, int, bool,
- struct rpcrdma_mw **);
+ struct rpcrdma_mr **);
+ void (*ro_reminv)(struct rpcrdma_rep *rep,
+ struct list_head *mrs);
void (*ro_unmap_sync)(struct rpcrdma_xprt *,
struct list_head *);
- void (*ro_recover_mr)(struct rpcrdma_mw *);
+ void (*ro_recover_mr)(struct rpcrdma_mr *mr);
int (*ro_open)(struct rpcrdma_ia *,
struct rpcrdma_ep *,
struct rpcrdma_create_data_internal *);
size_t (*ro_maxpages)(struct rpcrdma_xprt *);
int (*ro_init_mr)(struct rpcrdma_ia *,
- struct rpcrdma_mw *);
- void (*ro_release_mr)(struct rpcrdma_mw *);
+ struct rpcrdma_mr *);
+ void (*ro_release_mr)(struct rpcrdma_mr *mr);
const char *ro_displayname;
const int ro_send_w_inv_ok;
};
@@ -525,6 +516,18 @@ struct rpcrdma_xprt {
#define rpcx_to_rdmax(x) container_of(x, struct rpcrdma_xprt, rx_xprt)
#define rpcx_to_rdmad(x) (rpcx_to_rdmax(x)->rx_data)
+static inline const char *
+rpcrdma_addrstr(const struct rpcrdma_xprt *r_xprt)
+{
+ return r_xprt->rx_xprt.address_strings[RPC_DISPLAY_ADDR];
+}
+
+static inline const char *
+rpcrdma_portstr(const struct rpcrdma_xprt *r_xprt)
+{
+ return r_xprt->rx_xprt.address_strings[RPC_DISPLAY_PORT];
+}
+
/* Setting this to 0 ensures interoperability with early servers.
* Setting this to 1 enhances certain unaligned read/write performance.
* Default is 0, see sysctl entry and rpc_rdma.c rpcrdma_convert_iovs() */
@@ -538,7 +541,7 @@ extern unsigned int xprt_rdma_memreg_strategy;
/*
* Interface Adapter calls - xprtrdma/verbs.c
*/
-int rpcrdma_ia_open(struct rpcrdma_xprt *xprt, struct sockaddr *addr);
+int rpcrdma_ia_open(struct rpcrdma_xprt *xprt);
void rpcrdma_ia_remove(struct rpcrdma_ia *ia);
void rpcrdma_ia_close(struct rpcrdma_ia *);
bool frwr_is_supported(struct rpcrdma_ia *);
@@ -564,22 +567,23 @@ int rpcrdma_ep_post_recv(struct rpcrdma_ia *, struct rpcrdma_rep *);
* Buffer calls - xprtrdma/verbs.c
*/
struct rpcrdma_req *rpcrdma_create_req(struct rpcrdma_xprt *);
-struct rpcrdma_rep *rpcrdma_create_rep(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_mw *rpcrdma_get_mw(struct rpcrdma_xprt *);
-void rpcrdma_put_mw(struct rpcrdma_xprt *, struct rpcrdma_mw *);
+struct rpcrdma_mr *rpcrdma_mr_get(struct rpcrdma_xprt *r_xprt);
+void rpcrdma_mr_put(struct rpcrdma_mr *mr);
+void rpcrdma_mr_unmap_and_put(struct rpcrdma_mr *mr);
+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 *);
-void rpcrdma_defer_mr_recovery(struct rpcrdma_mw *);
-
struct rpcrdma_regbuf *rpcrdma_alloc_regbuf(size_t, enum dma_data_direction,
gfp_t);
bool __rpcrdma_dma_map_regbuf(struct rpcrdma_ia *, struct rpcrdma_regbuf *);
@@ -663,7 +667,7 @@ int xprt_rdma_bc_up(struct svc_serv *, struct net *);
size_t xprt_rdma_bc_maxpayload(struct rpc_xprt *);
int rpcrdma_bc_post_recv(struct rpcrdma_xprt *, unsigned int);
void rpcrdma_bc_receive_call(struct rpcrdma_xprt *, struct rpcrdma_rep *);
-int rpcrdma_bc_marshal_reply(struct rpc_rqst *);
+int xprt_rdma_bc_send_reply(struct rpc_rqst *rqst);
void xprt_rdma_bc_free_rqst(struct rpc_rqst *);
void xprt_rdma_bc_destroy(struct rpc_xprt *, unsigned int);
#endif /* CONFIG_SUNRPC_BACKCHANNEL */
@@ -671,3 +675,5 @@ 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>
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.