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-rw-r--r--include/linux/sunrpc/svc.h5
-rw-r--r--include/linux/sunrpc/svc_rdma.h55
2 files changed, 50 insertions, 10 deletions
diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h
index 67cf1c9efd80..23617da0e565 100644
--- a/include/linux/sunrpc/svc.h
+++ b/include/linux/sunrpc/svc.h
@@ -339,7 +339,6 @@ struct svc_program {
const struct svc_version **pg_vers; /* version array */
char * pg_name; /* service name */
char * pg_class; /* class name: services sharing authentication */
- struct svc_stat * pg_stats; /* rpc statistics */
enum svc_auth_status (*pg_authenticate)(struct svc_rqst *rqstp);
__be32 (*pg_init_request)(struct svc_rqst *,
const struct svc_program *,
@@ -411,7 +410,9 @@ bool svc_rqst_replace_page(struct svc_rqst *rqstp,
void svc_rqst_release_pages(struct svc_rqst *rqstp);
void svc_rqst_free(struct svc_rqst *);
void svc_exit_thread(struct svc_rqst *);
-struct svc_serv * svc_create_pooled(struct svc_program *, unsigned int,
+struct svc_serv * svc_create_pooled(struct svc_program *prog,
+ struct svc_stat *stats,
+ unsigned int bufsize,
int (*threadfn)(void *data));
int svc_set_num_threads(struct svc_serv *, struct svc_pool *, int);
int svc_pool_stats_open(struct svc_info *si, struct file *file);
diff --git a/include/linux/sunrpc/svc_rdma.h b/include/linux/sunrpc/svc_rdma.h
index e7595ae62fe2..24cd199dd6f3 100644
--- a/include/linux/sunrpc/svc_rdma.h
+++ b/include/linux/sunrpc/svc_rdma.h
@@ -203,6 +203,30 @@ struct svc_rdma_recv_ctxt {
struct page *rc_pages[RPCSVC_MAXPAGES];
};
+/*
+ * State for sending a Write chunk.
+ * - Tracks progress of writing one chunk over all its segments
+ * - Stores arguments for the SGL constructor functions
+ */
+struct svc_rdma_write_info {
+ struct svcxprt_rdma *wi_rdma;
+ struct list_head wi_list;
+
+ const struct svc_rdma_chunk *wi_chunk;
+
+ /* write state of this chunk */
+ unsigned int wi_seg_off;
+ unsigned int wi_seg_no;
+
+ /* SGL constructor arguments */
+ const struct xdr_buf *wi_xdr;
+ unsigned char *wi_base;
+ unsigned int wi_next_off;
+
+ struct svc_rdma_chunk_ctxt wi_cc;
+ struct work_struct wi_work;
+};
+
struct svc_rdma_send_ctxt {
struct llist_node sc_node;
struct rpc_rdma_cid sc_cid;
@@ -210,9 +234,15 @@ struct svc_rdma_send_ctxt {
struct svcxprt_rdma *sc_rdma;
struct ib_send_wr sc_send_wr;
+ struct ib_send_wr *sc_wr_chain;
+ int sc_sqecount;
struct ib_cqe sc_cqe;
struct xdr_buf sc_hdrbuf;
struct xdr_stream sc_stream;
+
+ struct list_head sc_write_info_list;
+ struct svc_rdma_write_info sc_reply_info;
+
void *sc_xprt_buf;
int sc_page_count;
int sc_cur_sge_no;
@@ -236,18 +266,27 @@ extern void svc_rdma_release_ctxt(struct svc_xprt *xprt, void *ctxt);
extern int svc_rdma_recvfrom(struct svc_rqst *);
/* svc_rdma_rw.c */
+extern void svc_rdma_cc_init(struct svcxprt_rdma *rdma,
+ struct svc_rdma_chunk_ctxt *cc);
extern void svc_rdma_destroy_rw_ctxts(struct svcxprt_rdma *rdma);
extern void svc_rdma_cc_init(struct svcxprt_rdma *rdma,
struct svc_rdma_chunk_ctxt *cc);
extern void svc_rdma_cc_release(struct svcxprt_rdma *rdma,
struct svc_rdma_chunk_ctxt *cc,
enum dma_data_direction dir);
-extern int svc_rdma_send_write_chunk(struct svcxprt_rdma *rdma,
- const struct svc_rdma_chunk *chunk,
- const struct xdr_buf *xdr);
-extern int svc_rdma_send_reply_chunk(struct svcxprt_rdma *rdma,
- const struct svc_rdma_recv_ctxt *rctxt,
- const struct xdr_buf *xdr);
+extern void svc_rdma_write_chunk_release(struct svcxprt_rdma *rdma,
+ struct svc_rdma_send_ctxt *ctxt);
+extern void svc_rdma_reply_chunk_release(struct svcxprt_rdma *rdma,
+ struct svc_rdma_send_ctxt *ctxt);
+extern int svc_rdma_prepare_write_list(struct svcxprt_rdma *rdma,
+ const struct svc_rdma_pcl *write_pcl,
+ struct svc_rdma_send_ctxt *sctxt,
+ const struct xdr_buf *xdr);
+extern int svc_rdma_prepare_reply_chunk(struct svcxprt_rdma *rdma,
+ const struct svc_rdma_pcl *write_pcl,
+ const struct svc_rdma_pcl *reply_pcl,
+ struct svc_rdma_send_ctxt *sctxt,
+ const struct xdr_buf *xdr);
extern int svc_rdma_process_read_list(struct svcxprt_rdma *rdma,
struct svc_rqst *rqstp,
struct svc_rdma_recv_ctxt *head);
@@ -258,8 +297,8 @@ extern struct svc_rdma_send_ctxt *
svc_rdma_send_ctxt_get(struct svcxprt_rdma *rdma);
extern void svc_rdma_send_ctxt_put(struct svcxprt_rdma *rdma,
struct svc_rdma_send_ctxt *ctxt);
-extern int svc_rdma_send(struct svcxprt_rdma *rdma,
- struct svc_rdma_send_ctxt *ctxt);
+extern int svc_rdma_post_send(struct svcxprt_rdma *rdma,
+ struct svc_rdma_send_ctxt *ctxt);
extern int svc_rdma_map_reply_msg(struct svcxprt_rdma *rdma,
struct svc_rdma_send_ctxt *sctxt,
const struct svc_rdma_pcl *write_pcl,