Just duplicated the functions to take the needed arguments from the private MR context. The old fast_reg routines will be dropped later.
Signed-off-by: Sagi Grimberg <[email protected]> --- drivers/infiniband/hw/nes/nes_verbs.c | 85 +++++++++++++++++++++++++++++++++++ 1 file changed, 85 insertions(+) diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c index 532496d..d5d8b01 100644 --- a/drivers/infiniband/hw/nes/nes_verbs.c +++ b/drivers/infiniband/hw/nes/nes_verbs.c @@ -465,6 +465,17 @@ err: return ERR_PTR(-ENOMEM); } +static int nes_map_mr_sg(struct ib_mr *ibmr, + struct scatterlist *sg, + unsigned short sg_nents) +{ + struct nes_mr *nesmr = to_nesmr(ibmr); + + return ib_sg_to_pages(sg, sg_nents, nesmr->max_pages, + nesmr->pl, &nesmr->npages, + &ibmr->length, &ibmr->iova); +} + /* * nes_alloc_fast_reg_page_list */ @@ -3537,6 +3548,79 @@ static int nes_post_send(struct ib_qp *ibqp, struct ib_send_wr *ib_wr, wqe_misc); break; } + case IB_WR_FASTREG_MR: + { + int i; + struct nes_mr *mr = to_nesmr(ib_wr->wr.fastreg.mr); + int flags = mr->ibmr.access; + u64 *src_page_list = mr->pl; + u64 *dst_page_list = mr->mpl; + + if (mr->npages > (NES_4K_PBL_CHUNK_SIZE / sizeof(u64))) { + nes_debug(NES_DBG_IW_TX, "SQ_FMR: bad page_list_len\n"); + err = -EINVAL; + break; + } + wqe_misc = NES_IWARP_SQ_OP_FAST_REG; + set_wqe_64bit_value(wqe->wqe_words, + NES_IWARP_SQ_FMR_WQE_VA_FBO_LOW_IDX, + mr->ibmr.iova); + set_wqe_32bit_value(wqe->wqe_words, + NES_IWARP_SQ_FMR_WQE_LENGTH_LOW_IDX, + mr->ibmr.length); + set_wqe_32bit_value(wqe->wqe_words, + NES_IWARP_SQ_FMR_WQE_LENGTH_HIGH_IDX, 0); + set_wqe_32bit_value(wqe->wqe_words, + NES_IWARP_SQ_FMR_WQE_MR_STAG_IDX, + ib_wr->wr.fastreg.key); + + /* Set page size: currently only 4K*/ + if (ib_wr->wr.fast_reg.page_shift == 12) { + wqe_misc |= NES_IWARP_SQ_FMR_WQE_PAGE_SIZE_4K; + } else { + nes_debug(NES_DBG_IW_TX, "Invalid page shift," + " ib_wr=%u, max=1\n", ib_wr->num_sge); + err = -EINVAL; + break; + } + + /* Set access_flags */ + wqe_misc |= NES_IWARP_SQ_FMR_WQE_RIGHTS_ENABLE_LOCAL_READ; + if (flags & IB_ACCESS_LOCAL_WRITE) + wqe_misc |= NES_IWARP_SQ_FMR_WQE_RIGHTS_ENABLE_LOCAL_WRITE; + + if (flags & IB_ACCESS_REMOTE_WRITE) + wqe_misc |= NES_IWARP_SQ_FMR_WQE_RIGHTS_ENABLE_REMOTE_WRITE; + + if (flags & IB_ACCESS_REMOTE_READ) + wqe_misc |= NES_IWARP_SQ_FMR_WQE_RIGHTS_ENABLE_REMOTE_READ; + + if (flags & IB_ACCESS_MW_BIND) + wqe_misc |= NES_IWARP_SQ_FMR_WQE_RIGHTS_ENABLE_WINDOW_BIND; + + /* Fill in PBL info: */ + set_wqe_64bit_value(wqe->wqe_words, + NES_IWARP_SQ_FMR_WQE_PBL_ADDR_LOW_IDX, + mr->mpl_addr); + + set_wqe_32bit_value(wqe->wqe_words, + NES_IWARP_SQ_FMR_WQE_PBL_LENGTH_IDX, + mr->npages * 8); + + for (i = 0; i < mr->npages; i++) + dst_page_list[i] = cpu_to_le64(src_page_list[i]); + + nes_debug(NES_DBG_IW_TX, "SQ_FMR: iova_start: %llx, " + "length: %d, rkey: %0x, pgl_paddr: %llx, " + "page_list_len: %u, wqe_misc: %x\n", + (unsigned long long) mr->ibmr.iova, + mr->ibmr.length, + ib_wr->wr.fastreg.key, + (unsigned long long) mr->mpl_addr, + mr->npages, + wqe_misc); + break; + } default: /* error */ err = -EINVAL; @@ -3964,6 +4048,7 @@ struct nes_ib_device *nes_init_ofa_device(struct net_device *netdev) nesibdev->ibdev.bind_mw = nes_bind_mw; nesibdev->ibdev.alloc_mr = nes_alloc_mr; + nesibdev->ibdev.map_mr_sg = nes_map_mr_sg; nesibdev->ibdev.alloc_fast_reg_page_list = nes_alloc_fast_reg_page_list; nesibdev->ibdev.free_fast_reg_page_list = nes_free_fast_reg_page_list; -- 1.8.4.3 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
