From: Sagi Grimberg Date: Tue, 13 Oct 2015 16:11:45 +0000 (+0300) Subject: RDMA/cxgb3: Remove old FRWR API X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=94e585cb7467a3e4cecb7267cd8303d2b693a8b9;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git RDMA/cxgb3: Remove old FRWR API No ULP uses it anymore, go ahead and remove it. Signed-off-by: Sagi Grimberg Acked-by: Christoph Hellwig Signed-off-by: Doug Ledford --- diff --git a/drivers/infiniband/hw/cxgb3/iwch_cq.c b/drivers/infiniband/hw/cxgb3/iwch_cq.c index cf5474ae68ff..cfe404925a39 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_cq.c +++ b/drivers/infiniband/hw/cxgb3/iwch_cq.c @@ -123,7 +123,7 @@ static int iwch_poll_cq_one(struct iwch_dev *rhp, struct iwch_cq *chp, wc->opcode = IB_WC_LOCAL_INV; break; case T3_FAST_REGISTER: - wc->opcode = IB_WC_FAST_REG_MR; + wc->opcode = IB_WC_REG_MR; break; default: printk(KERN_ERR MOD "Unexpected opcode %d " diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c index f7b915378343..c34725ca0bb4 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_provider.c +++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c @@ -884,28 +884,6 @@ static int iwch_map_mr_sg(struct ib_mr *ibmr, return ib_sg_to_pages(ibmr, sg, sg_nents, iwch_set_page); } -static struct ib_fast_reg_page_list *iwch_alloc_fastreg_pbl( - struct ib_device *device, - int page_list_len) -{ - struct ib_fast_reg_page_list *page_list; - - page_list = kmalloc(sizeof *page_list + page_list_len * sizeof(u64), - GFP_KERNEL); - if (!page_list) - return ERR_PTR(-ENOMEM); - - page_list->page_list = (u64 *)(page_list + 1); - page_list->max_page_list_len = page_list_len; - - return page_list; -} - -static void iwch_free_fastreg_pbl(struct ib_fast_reg_page_list *page_list) -{ - kfree(page_list); -} - static int iwch_destroy_qp(struct ib_qp *ib_qp) { struct iwch_dev *rhp; @@ -1483,8 +1461,6 @@ int iwch_register_device(struct iwch_dev *dev) dev->ibdev.dealloc_mw = iwch_dealloc_mw; dev->ibdev.alloc_mr = iwch_alloc_mr; dev->ibdev.map_mr_sg = iwch_map_mr_sg; - dev->ibdev.alloc_fast_reg_page_list = iwch_alloc_fastreg_pbl; - dev->ibdev.free_fast_reg_page_list = iwch_free_fastreg_pbl; dev->ibdev.attach_mcast = iwch_multicast_attach; dev->ibdev.detach_mcast = iwch_multicast_detach; dev->ibdev.process_mad = iwch_process_mad; diff --git a/drivers/infiniband/hw/cxgb3/iwch_qp.c b/drivers/infiniband/hw/cxgb3/iwch_qp.c index a09ea538e990..d0548fc6395e 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_qp.c +++ b/drivers/infiniband/hw/cxgb3/iwch_qp.c @@ -189,48 +189,6 @@ static int build_memreg(union t3_wr *wqe, struct ib_reg_wr *wr, return 0; } -static int build_fastreg(union t3_wr *wqe, struct ib_send_wr *send_wr, - u8 *flit_cnt, int *wr_cnt, struct t3_wq *wq) -{ - struct ib_fast_reg_wr *wr = fast_reg_wr(send_wr); - int i; - __be64 *p; - - if (wr->page_list_len > T3_MAX_FASTREG_DEPTH) - return -EINVAL; - *wr_cnt = 1; - wqe->fastreg.stag = cpu_to_be32(wr->rkey); - wqe->fastreg.len = cpu_to_be32(wr->length); - wqe->fastreg.va_base_hi = cpu_to_be32(wr->iova_start >> 32); - wqe->fastreg.va_base_lo_fbo = cpu_to_be32(wr->iova_start & 0xffffffff); - wqe->fastreg.page_type_perms = cpu_to_be32( - V_FR_PAGE_COUNT(wr->page_list_len) | - V_FR_PAGE_SIZE(wr->page_shift-12) | - V_FR_TYPE(TPT_VATO) | - V_FR_PERMS(iwch_ib_to_tpt_access(wr->access_flags))); - p = &wqe->fastreg.pbl_addrs[0]; - for (i = 0; i < wr->page_list_len; i++, p++) { - - /* If we need a 2nd WR, then set it up */ - if (i == T3_MAX_FASTREG_FRAG) { - *wr_cnt = 2; - wqe = (union t3_wr *)(wq->queue + - Q_PTR2IDX((wq->wptr+1), wq->size_log2)); - build_fw_riwrh((void *)wqe, T3_WR_FASTREG, 0, - Q_GENBIT(wq->wptr + 1, wq->size_log2), - 0, 1 + wr->page_list_len - T3_MAX_FASTREG_FRAG, - T3_EOP); - - p = &wqe->pbl_frag.pbl_addrs[0]; - } - *p = cpu_to_be64((u64)wr->page_list->page_list[i]); - } - *flit_cnt = 5 + wr->page_list_len; - if (*flit_cnt > 15) - *flit_cnt = 15; - return 0; -} - static int build_inv_stag(union t3_wr *wqe, struct ib_send_wr *wr, u8 *flit_cnt) { @@ -457,11 +415,6 @@ int iwch_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, if (!qhp->wq.oldest_read) qhp->wq.oldest_read = sqp; break; - case IB_WR_FAST_REG_MR: - t3_wr_opcode = T3_WR_FASTREG; - err = build_fastreg(wqe, wr, &t3_wr_flit_cnt, - &wr_cnt, &qhp->wq); - break; case IB_WR_REG_MR: t3_wr_opcode = T3_WR_FASTREG; err = build_memreg(wqe, reg_wr(wr), &t3_wr_flit_cnt,