From: Sagi Grimberg Date: Tue, 13 Oct 2015 16:11:46 +0000 (+0300) Subject: iw_cxgb4: Remove old FRWR API X-Git-Tag: v4.14-rc1~4373^2~6 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d3cfd002e6586d715515c2f293cf04cf72b33002;p=platform%2Fkernel%2Flinux-rpi.git iw_cxgb4: 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/cxgb4/cq.c b/drivers/infiniband/hw/cxgb4/cq.c index 92d5183..de9cd69 100644 --- a/drivers/infiniband/hw/cxgb4/cq.c +++ b/drivers/infiniband/hw/cxgb4/cq.c @@ -752,7 +752,7 @@ static int c4iw_poll_cq_one(struct c4iw_cq *chp, struct ib_wc *wc) wc->opcode = IB_WC_LOCAL_INV; break; case FW_RI_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/cxgb4/iw_cxgb4.h b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h index 6a8e269..00e55fa 100644 --- a/drivers/infiniband/hw/cxgb4/iw_cxgb4.h +++ b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h @@ -409,20 +409,6 @@ static inline struct c4iw_mw *to_c4iw_mw(struct ib_mw *ibmw) return container_of(ibmw, struct c4iw_mw, ibmw); } -struct c4iw_fr_page_list { - struct ib_fast_reg_page_list ibpl; - DEFINE_DMA_UNMAP_ADDR(mapping); - dma_addr_t dma_addr; - struct c4iw_dev *dev; - int pll_len; -}; - -static inline struct c4iw_fr_page_list *to_c4iw_fr_page_list( - struct ib_fast_reg_page_list *ibpl) -{ - return container_of(ibpl, struct c4iw_fr_page_list, ibpl); -} - struct c4iw_cq { struct ib_cq ibcq; struct c4iw_dev *rhp; @@ -970,10 +956,6 @@ int c4iw_accept_cr(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param); int c4iw_reject_cr(struct iw_cm_id *cm_id, const void *pdata, u8 pdata_len); void c4iw_qp_add_ref(struct ib_qp *qp); void c4iw_qp_rem_ref(struct ib_qp *qp); -void c4iw_free_fastreg_pbl(struct ib_fast_reg_page_list *page_list); -struct ib_fast_reg_page_list *c4iw_alloc_fastreg_pbl( - struct ib_device *device, - int page_list_len); struct ib_mr *c4iw_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type, u32 max_num_sg); diff --git a/drivers/infiniband/hw/cxgb4/mem.c b/drivers/infiniband/hw/cxgb4/mem.c index 1e46a26..e1629ab 100644 --- a/drivers/infiniband/hw/cxgb4/mem.c +++ b/drivers/infiniband/hw/cxgb4/mem.c @@ -945,51 +945,6 @@ int c4iw_map_mr_sg(struct ib_mr *ibmr, return ib_sg_to_pages(ibmr, sg, sg_nents, c4iw_set_page); } -struct ib_fast_reg_page_list *c4iw_alloc_fastreg_pbl(struct ib_device *device, - int page_list_len) -{ - struct c4iw_fr_page_list *c4pl; - struct c4iw_dev *dev = to_c4iw_dev(device); - dma_addr_t dma_addr; - int pll_len = roundup(page_list_len * sizeof(u64), 32); - - c4pl = kmalloc(sizeof(*c4pl), GFP_KERNEL); - if (!c4pl) - return ERR_PTR(-ENOMEM); - - c4pl->ibpl.page_list = dma_alloc_coherent(&dev->rdev.lldi.pdev->dev, - pll_len, &dma_addr, - GFP_KERNEL); - if (!c4pl->ibpl.page_list) { - kfree(c4pl); - return ERR_PTR(-ENOMEM); - } - dma_unmap_addr_set(c4pl, mapping, dma_addr); - c4pl->dma_addr = dma_addr; - c4pl->dev = dev; - c4pl->pll_len = pll_len; - - PDBG("%s c4pl %p pll_len %u page_list %p dma_addr %pad\n", - __func__, c4pl, c4pl->pll_len, c4pl->ibpl.page_list, - &c4pl->dma_addr); - - return &c4pl->ibpl; -} - -void c4iw_free_fastreg_pbl(struct ib_fast_reg_page_list *ibpl) -{ - struct c4iw_fr_page_list *c4pl = to_c4iw_fr_page_list(ibpl); - - PDBG("%s c4pl %p pll_len %u page_list %p dma_addr %pad\n", - __func__, c4pl, c4pl->pll_len, c4pl->ibpl.page_list, - &c4pl->dma_addr); - - dma_free_coherent(&c4pl->dev->rdev.lldi.pdev->dev, - c4pl->pll_len, - c4pl->ibpl.page_list, dma_unmap_addr(c4pl, mapping)); - kfree(c4pl); -} - int c4iw_dereg_mr(struct ib_mr *ib_mr) { struct c4iw_dev *rhp; diff --git a/drivers/infiniband/hw/cxgb4/provider.c b/drivers/infiniband/hw/cxgb4/provider.c index e292308..0a7d998 100644 --- a/drivers/infiniband/hw/cxgb4/provider.c +++ b/drivers/infiniband/hw/cxgb4/provider.c @@ -558,8 +558,6 @@ int c4iw_register_device(struct c4iw_dev *dev) dev->ibdev.dealloc_mw = c4iw_dealloc_mw; dev->ibdev.alloc_mr = c4iw_alloc_mr; dev->ibdev.map_mr_sg = c4iw_map_mr_sg; - dev->ibdev.alloc_fast_reg_page_list = c4iw_alloc_fastreg_pbl; - dev->ibdev.free_fast_reg_page_list = c4iw_free_fastreg_pbl; dev->ibdev.attach_mcast = c4iw_multicast_attach; dev->ibdev.detach_mcast = c4iw_multicast_detach; dev->ibdev.process_mad = c4iw_process_mad; diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c index aac75a0..aa515af 100644 --- a/drivers/infiniband/hw/cxgb4/qp.c +++ b/drivers/infiniband/hw/cxgb4/qp.c @@ -670,75 +670,6 @@ static int build_memreg(struct t4_sq *sq, union t4_wr *wqe, return 0; } -static int build_fastreg(struct t4_sq *sq, union t4_wr *wqe, - struct ib_send_wr *send_wr, u8 *len16, u8 t5dev) -{ - struct ib_fast_reg_wr *wr = fast_reg_wr(send_wr); - - struct fw_ri_immd *imdp; - __be64 *p; - int i; - int pbllen = roundup(wr->page_list_len * sizeof(u64), 32); - int rem; - - if (wr->page_list_len > t4_max_fr_depth(use_dsgl)) - return -EINVAL; - - wqe->fr.qpbinde_to_dcacpu = 0; - wqe->fr.pgsz_shift = wr->page_shift - 12; - wqe->fr.addr_type = FW_RI_VA_BASED_TO; - wqe->fr.mem_perms = c4iw_ib_to_tpt_access(wr->access_flags); - wqe->fr.len_hi = 0; - wqe->fr.len_lo = cpu_to_be32(wr->length); - wqe->fr.stag = cpu_to_be32(wr->rkey); - wqe->fr.va_hi = cpu_to_be32(wr->iova_start >> 32); - wqe->fr.va_lo_fbo = cpu_to_be32(wr->iova_start & 0xffffffff); - - if (t5dev && use_dsgl && (pbllen > max_fr_immd)) { - struct c4iw_fr_page_list *c4pl = - to_c4iw_fr_page_list(wr->page_list); - struct fw_ri_dsgl *sglp; - - for (i = 0; i < wr->page_list_len; i++) { - wr->page_list->page_list[i] = (__force u64) - cpu_to_be64((u64)wr->page_list->page_list[i]); - } - - sglp = (struct fw_ri_dsgl *)(&wqe->fr + 1); - sglp->op = FW_RI_DATA_DSGL; - sglp->r1 = 0; - sglp->nsge = cpu_to_be16(1); - sglp->addr0 = cpu_to_be64(c4pl->dma_addr); - sglp->len0 = cpu_to_be32(pbllen); - - *len16 = DIV_ROUND_UP(sizeof(wqe->fr) + sizeof(*sglp), 16); - } else { - imdp = (struct fw_ri_immd *)(&wqe->fr + 1); - imdp->op = FW_RI_DATA_IMMD; - imdp->r1 = 0; - imdp->r2 = 0; - imdp->immdlen = cpu_to_be32(pbllen); - p = (__be64 *)(imdp + 1); - rem = pbllen; - for (i = 0; i < wr->page_list_len; i++) { - *p = cpu_to_be64((u64)wr->page_list->page_list[i]); - rem -= sizeof(*p); - if (++p == (__be64 *)&sq->queue[sq->size]) - p = (__be64 *)sq->queue; - } - BUG_ON(rem < 0); - while (rem) { - *p = 0; - rem -= sizeof(*p); - if (++p == (__be64 *)&sq->queue[sq->size]) - p = (__be64 *)sq->queue; - } - *len16 = DIV_ROUND_UP(sizeof(wqe->fr) + sizeof(*imdp) - + pbllen, 16); - } - return 0; -} - static int build_inv_stag(union t4_wr *wqe, struct ib_send_wr *wr, u8 *len16) { @@ -873,14 +804,6 @@ int c4iw_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, if (!qhp->wq.sq.oldest_read) qhp->wq.sq.oldest_read = swsqe; break; - case IB_WR_FAST_REG_MR: - fw_opcode = FW_RI_FR_NSMR_WR; - swsqe->opcode = FW_RI_FAST_REGISTER; - err = build_fastreg(&qhp->wq.sq, wqe, wr, &len16, - !is_t4( - qhp->rhp->rdev.lldi.adapter_type) ? - 1 : 0); - break; case IB_WR_REG_MR: fw_opcode = FW_RI_FR_NSMR_WR; swsqe->opcode = FW_RI_FAST_REGISTER;