From 191cfed565c0435aeced5f11f6cf9b03ec380d5b Mon Sep 17 00:00:00 2001 From: Sagi Grimberg Date: Tue, 13 Oct 2015 19:11:44 +0300 Subject: [PATCH] RDMA/ocrdma: 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 --- drivers/infiniband/hw/ocrdma/ocrdma_main.c | 2 - drivers/infiniband/hw/ocrdma/ocrdma_verbs.c | 104 +------------------- drivers/infiniband/hw/ocrdma/ocrdma_verbs.h | 4 - 3 files changed, 1 insertion(+), 109 deletions(-) diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_main.c b/drivers/infiniband/hw/ocrdma/ocrdma_main.c index 19a5ccd6e5fc..62b7009daa6c 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_main.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_main.c @@ -181,8 +181,6 @@ static int ocrdma_register_device(struct ocrdma_dev *dev) dev->ibdev.alloc_mr = ocrdma_alloc_mr; dev->ibdev.map_mr_sg = ocrdma_map_mr_sg; - dev->ibdev.alloc_fast_reg_page_list = ocrdma_alloc_frmr_page_list; - dev->ibdev.free_fast_reg_page_list = ocrdma_free_frmr_page_list; /* mandatory to support user space verbs consumer. */ dev->ibdev.alloc_ucontext = ocrdma_alloc_ucontext; diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c index 49481dfaa493..583001bcfb8f 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c @@ -2133,41 +2133,6 @@ static void ocrdma_build_read(struct ocrdma_qp *qp, struct ocrdma_hdr_wqe *hdr, ext_rw->len = hdr->total_len; } -static void build_frmr_pbes(struct ib_fast_reg_wr *wr, - struct ocrdma_pbl *pbl_tbl, - struct ocrdma_hw_mr *hwmr) -{ - int i; - u64 buf_addr = 0; - int num_pbes; - struct ocrdma_pbe *pbe; - - pbe = (struct ocrdma_pbe *)pbl_tbl->va; - num_pbes = 0; - - /* go through the OS phy regions & fill hw pbe entries into pbls. */ - for (i = 0; i < wr->page_list_len; i++) { - /* number of pbes can be more for one OS buf, when - * buffers are of different sizes. - * split the ib_buf to one or more pbes. - */ - buf_addr = wr->page_list->page_list[i]; - pbe->pa_lo = cpu_to_le32((u32) (buf_addr & PAGE_MASK)); - pbe->pa_hi = cpu_to_le32((u32) upper_32_bits(buf_addr)); - num_pbes += 1; - pbe++; - - /* if the pbl is full storing the pbes, - * move to next pbl. - */ - if (num_pbes == (hwmr->pbl_size/sizeof(u64))) { - pbl_tbl++; - pbe = (struct ocrdma_pbe *)pbl_tbl->va; - } - } - return; -} - static int get_encoded_page_size(int pg_sz) { /* Max size is 256M 4096 << 16 */ @@ -2234,50 +2199,6 @@ static int ocrdma_build_reg(struct ocrdma_qp *qp, return 0; } -static int ocrdma_build_fr(struct ocrdma_qp *qp, struct ocrdma_hdr_wqe *hdr, - struct ib_send_wr *send_wr) -{ - u64 fbo; - struct ib_fast_reg_wr *wr = fast_reg_wr(send_wr); - struct ocrdma_ewqe_fr *fast_reg = (struct ocrdma_ewqe_fr *)(hdr + 1); - struct ocrdma_mr *mr; - struct ocrdma_dev *dev = get_ocrdma_dev(qp->ibqp.device); - u32 wqe_size = sizeof(*fast_reg) + sizeof(*hdr); - - wqe_size = roundup(wqe_size, OCRDMA_WQE_ALIGN_BYTES); - - if (wr->page_list_len > dev->attr.max_pages_per_frmr) - return -EINVAL; - - hdr->cw |= (OCRDMA_FR_MR << OCRDMA_WQE_OPCODE_SHIFT); - hdr->cw |= ((wqe_size / OCRDMA_WQE_STRIDE) << OCRDMA_WQE_SIZE_SHIFT); - - if (wr->page_list_len == 0) - BUG(); - if (wr->access_flags & IB_ACCESS_LOCAL_WRITE) - hdr->rsvd_lkey_flags |= OCRDMA_LKEY_FLAG_LOCAL_WR; - if (wr->access_flags & IB_ACCESS_REMOTE_WRITE) - hdr->rsvd_lkey_flags |= OCRDMA_LKEY_FLAG_REMOTE_WR; - if (wr->access_flags & IB_ACCESS_REMOTE_READ) - hdr->rsvd_lkey_flags |= OCRDMA_LKEY_FLAG_REMOTE_RD; - hdr->lkey = wr->rkey; - hdr->total_len = wr->length; - - fbo = wr->iova_start - (wr->page_list->page_list[0] & PAGE_MASK); - - fast_reg->va_hi = upper_32_bits(wr->iova_start); - fast_reg->va_lo = (u32) (wr->iova_start & 0xffffffff); - fast_reg->fbo_hi = upper_32_bits(fbo); - fast_reg->fbo_lo = (u32) fbo & 0xffffffff; - fast_reg->num_sges = wr->page_list_len; - fast_reg->size_sge = - get_encoded_page_size(1 << wr->page_shift); - mr = (struct ocrdma_mr *) (unsigned long) - dev->stag_arr[(hdr->lkey >> 8) & (OCRDMA_MAX_STAG - 1)]; - build_frmr_pbes(wr, mr->hwmr.pbl_table, &mr->hwmr); - return 0; -} - static void ocrdma_ring_sq_db(struct ocrdma_qp *qp) { u32 val = qp->sq.dbid | (1 << OCRDMA_DB_SQ_SHIFT); @@ -2357,9 +2278,6 @@ int ocrdma_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, OCRDMA_WQE_STRIDE) << OCRDMA_WQE_SIZE_SHIFT; hdr->lkey = wr->ex.invalidate_rkey; break; - case IB_WR_FAST_REG_MR: - status = ocrdma_build_fr(qp, hdr, wr); - break; case IB_WR_REG_MR: status = ocrdma_build_reg(qp, hdr, reg_wr(wr)); break; @@ -2627,7 +2545,7 @@ static void ocrdma_update_wc(struct ocrdma_qp *qp, struct ib_wc *ibwc, ibwc->opcode = IB_WC_SEND; break; case OCRDMA_FR_MR: - ibwc->opcode = IB_WC_FAST_REG_MR; + ibwc->opcode = IB_WC_REG_MR; break; case OCRDMA_LKEY_INV: ibwc->opcode = IB_WC_LOCAL_INV; @@ -3148,26 +3066,6 @@ pl_err: return ERR_PTR(-ENOMEM); } -struct ib_fast_reg_page_list *ocrdma_alloc_frmr_page_list(struct ib_device - *ibdev, - int page_list_len) -{ - struct ib_fast_reg_page_list *frmr_list; - int size; - - size = sizeof(*frmr_list) + (page_list_len * sizeof(u64)); - frmr_list = kzalloc(size, GFP_KERNEL); - if (!frmr_list) - return ERR_PTR(-ENOMEM); - frmr_list->page_list = (u64 *)(frmr_list + 1); - return frmr_list; -} - -void ocrdma_free_frmr_page_list(struct ib_fast_reg_page_list *page_list) -{ - kfree(page_list); -} - #define MAX_KERNEL_PBE_SIZE 65536 static inline int count_kernel_pbes(struct ib_phys_buf *buf_list, int buf_cnt, u32 *pbe_size) diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h index 1b2d3ac10203..a2f3b4dc20b0 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h +++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h @@ -128,9 +128,5 @@ struct ib_mr *ocrdma_alloc_mr(struct ib_pd *pd, int ocrdma_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents); -struct ib_fast_reg_page_list *ocrdma_alloc_frmr_page_list(struct ib_device - *ibdev, - int page_list_len); -void ocrdma_free_frmr_page_list(struct ib_fast_reg_page_list *page_list); #endif /* __OCRDMA_VERBS_H__ */ -- 2.20.1