diff options
| author | Christoph Hellwig <hch@lst.de> | 2016-05-03 18:01:12 +0200 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2016-05-13 13:37:20 -0400 |
| commit | 0e353e34e1e740fe575eb479ca0f2a723a4ef51c (patch) | |
| tree | 0452d113b689f96068ef02e89296c7169aad52bb /include/rdma | |
| parent | b99f8e4d7bcd3bfbb3cd965918523299370d0cb2 (diff) | |
| download | lwn-0e353e34e1e740fe575eb479ca0f2a723a4ef51c.tar.gz lwn-0e353e34e1e740fe575eb479ca0f2a723a4ef51c.zip | |
IB/core: add RW API support for signature MRs
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'include/rdma')
| -rw-r--r-- | include/rdma/ib_verbs.h | 1 | ||||
| -rw-r--r-- | include/rdma/rw.h | 19 |
2 files changed, 20 insertions, 0 deletions
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index dd8e15dfc1a8..544c55b4c84a 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -1435,6 +1435,7 @@ struct ib_qp { spinlock_t mr_lock; int mrs_used; struct list_head rdma_mrs; + struct list_head sig_mrs; struct ib_srq *srq; struct ib_xrcd *xrcd; /* XRC TGT QPs only */ struct list_head xrcd_list; diff --git a/include/rdma/rw.h b/include/rdma/rw.h index d3896bb9134b..377d865e506d 100644 --- a/include/rdma/rw.h +++ b/include/rdma/rw.h @@ -47,6 +47,15 @@ struct rdma_rw_ctx { struct ib_send_wr inv_wr; struct ib_mr *mr; } *reg; + + struct { + struct rdma_rw_reg_ctx data; + struct rdma_rw_reg_ctx prot; + struct ib_send_wr sig_inv_wr; + struct ib_mr *sig_mr; + struct ib_sge sig_sge; + struct ib_sig_handover_wr sig_wr; + } *sig; }; }; @@ -57,6 +66,16 @@ void rdma_rw_ctx_destroy(struct rdma_rw_ctx *ctx, struct ib_qp *qp, u8 port_num, struct scatterlist *sg, u32 sg_cnt, enum dma_data_direction dir); +int rdma_rw_ctx_signature_init(struct rdma_rw_ctx *ctx, struct ib_qp *qp, + u8 port_num, struct scatterlist *sg, u32 sg_cnt, + struct scatterlist *prot_sg, u32 prot_sg_cnt, + struct ib_sig_attrs *sig_attrs, u64 remote_addr, u32 rkey, + enum dma_data_direction dir); +void rdma_rw_ctx_destroy_signature(struct rdma_rw_ctx *ctx, struct ib_qp *qp, + u8 port_num, struct scatterlist *sg, u32 sg_cnt, + struct scatterlist *prot_sg, u32 prot_sg_cnt, + enum dma_data_direction dir); + struct ib_send_wr *rdma_rw_ctx_wrs(struct rdma_rw_ctx *ctx, struct ib_qp *qp, u8 port_num, struct ib_cqe *cqe, struct ib_send_wr *chain_wr); int rdma_rw_ctx_post(struct rdma_rw_ctx *ctx, struct ib_qp *qp, u8 port_num, |