return 0;
}
-int
-rpcrdma_ep_post_recv(struct rpcrdma_ia *ia,
- struct rpcrdma_rep *rep)
-{
- struct ib_recv_wr *recv_wr_fail;
- int rc;
-
- if (!rpcrdma_dma_map_regbuf(ia, rep->rr_rdmabuf))
- goto out_map;
- rc = ib_post_recv(ia->ri_id->qp, &rep->rr_recv_wr, &recv_wr_fail);
- trace_xprtrdma_post_recv(rep->rr_recv_wr.wr_cqe);
- if (rc)
- return -ENOTCONN;
- return 0;
-
-out_map:
- pr_err("rpcrdma: failed to DMA map the Receive buffer\n");
- return -EIO;
-}
-
-/**
- * rpcrdma_ep_post_extra_recv - Post buffers for incoming backchannel requests
- * @r_xprt: transport associated with these backchannel resources
- * @count: minimum number of incoming requests expected
- *
- * Returns zero if all requested buffers were posted, or a negative errno.
- */
-int
-rpcrdma_ep_post_extra_recv(struct rpcrdma_xprt *r_xprt, unsigned int count)
-{
- struct rpcrdma_buffer *buffers = &r_xprt->rx_buf;
- struct rpcrdma_ia *ia = &r_xprt->rx_ia;
- struct rpcrdma_rep *rep;
- int rc;
-
- while (count--) {
- spin_lock(&buffers->rb_lock);
- if (list_empty(&buffers->rb_recv_bufs))
- goto out_reqbuf;
- rep = rpcrdma_buffer_get_rep_locked(buffers);
- spin_unlock(&buffers->rb_lock);
-
- rc = rpcrdma_ep_post_recv(ia, rep);
- if (rc)
- goto out_rc;
- }
-
- return 0;
-
-out_reqbuf:
- spin_unlock(&buffers->rb_lock);
- trace_xprtrdma_noreps(r_xprt);
- return -ENOMEM;
-
-out_rc:
- rpcrdma_recv_buffer_put(rep);
- return rc;
-}
-
/**
* rpcrdma_post_recvs - Maybe post some Receive buffers
* @r_xprt: controlling transport
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);
/*
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);