diff options
author | Wenpeng Liang <liangwenpeng@huawei.com> | 2021-01-30 16:58:05 +0800 |
---|---|---|
committer | Jason Gunthorpe <jgg@nvidia.com> | 2021-02-08 19:37:35 -0400 |
commit | eacb45ca8f4bb722ab5a9734379b37e4bd99f3c0 (patch) | |
tree | 32077f1d9998c7e582fc449080e59f62bc884d03 /drivers/infiniband | |
parent | 0fee451634969cd132a0101824ef2558b2b389be (diff) | |
download | linux-eacb45ca8f4bb722ab5a9734379b37e4bd99f3c0.tar.bz2 |
RDMA/hns: Refactor code about SRQ Context
Reduce parameter numbers of write_srqc() and move some related code into
it from alloc_srqc().
Link: https://lore.kernel.org/r/1611997090-48820-8-git-send-email-liweihang@huawei.com
Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_device.h | 6 | ||||
-rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 33 | ||||
-rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_srq.c | 44 |
3 files changed, 42 insertions, 41 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_device.h b/drivers/infiniband/hw/hns/hns_roce_device.h index b325b9c4b485..d51641af9342 100644 --- a/drivers/infiniband/hw/hns/hns_roce_device.h +++ b/drivers/infiniband/hw/hns/hns_roce_device.h @@ -953,11 +953,7 @@ struct hns_roce_hw { int (*modify_cq)(struct ib_cq *cq, u16 cq_count, u16 cq_period); int (*init_eq)(struct hns_roce_dev *hr_dev); void (*cleanup_eq)(struct hns_roce_dev *hr_dev); - void (*write_srqc)(struct hns_roce_dev *hr_dev, - struct hns_roce_srq *srq, void *mb_buf, - u64 *mtts_wqe, u64 *mtts_idx, - dma_addr_t dma_handle_wqe, - dma_addr_t dma_handle_idx); + int (*write_srqc)(struct hns_roce_srq *srq, void *mb_buf); int (*modify_srq)(struct ib_srq *ibsrq, struct ib_srq_attr *srq_attr, enum ib_srq_attr_mask srq_attr_mask, struct ib_udata *udata); diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index ec2d64c91114..dd5f7b57f007 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -5227,17 +5227,38 @@ out: return ret; } -static void hns_roce_v2_write_srqc(struct hns_roce_dev *hr_dev, - struct hns_roce_srq *srq, void *mb_buf, - u64 *mtts_wqe, u64 *mtts_idx, - dma_addr_t dma_handle_wqe, - dma_addr_t dma_handle_idx) +static int hns_roce_v2_write_srqc(struct hns_roce_srq *srq, void *mb_buf) { + struct ib_device *ibdev = srq->ibsrq.device; + struct hns_roce_dev *hr_dev = to_hr_dev(ibdev); struct hns_roce_srq_context *srq_context; + u64 mtts_wqe[MTT_MIN_COUNT] = {}; + u64 mtts_idx[MTT_MIN_COUNT] = {}; + dma_addr_t dma_handle_wqe = 0; + dma_addr_t dma_handle_idx = 0; + int ret; srq_context = mb_buf; memset(srq_context, 0, sizeof(*srq_context)); + /* Get the physical address of srq buf */ + ret = hns_roce_mtr_find(hr_dev, &srq->buf_mtr, 0, mtts_wqe, + ARRAY_SIZE(mtts_wqe), &dma_handle_wqe); + if (ret < 1) { + ibdev_err(ibdev, "failed to find mtr for SRQ WQE, ret = %d.\n", + ret); + return -ENOBUFS; + } + + /* Get physical address of idx que buf */ + ret = hns_roce_mtr_find(hr_dev, &srq->idx_que.mtr, 0, mtts_idx, + ARRAY_SIZE(mtts_idx), &dma_handle_idx); + if (ret < 1) { + ibdev_err(ibdev, "failed to find mtr for SRQ idx, ret = %d.\n", + ret); + return -ENOBUFS; + } + roce_set_field(srq_context->byte_4_srqn_srqst, SRQC_BYTE_4_SRQ_ST_M, SRQC_BYTE_4_SRQ_ST_S, 1); @@ -5319,6 +5340,8 @@ static void hns_roce_v2_write_srqc(struct hns_roce_dev *hr_dev, roce_set_bit(srq_context->db_record_addr_record_en, SRQC_BYTE_60_SRQ_RECORD_EN_S, 0); + + return 0; } static int hns_roce_v2_modify_srq(struct ib_srq *ibsrq, diff --git a/drivers/infiniband/hw/hns/hns_roce_srq.c b/drivers/infiniband/hw/hns/hns_roce_srq.c index 5069b8103b98..d5a6de0e7095 100644 --- a/drivers/infiniband/hw/hns/hns_roce_srq.c +++ b/drivers/infiniband/hw/hns/hns_roce_srq.c @@ -82,34 +82,11 @@ static int alloc_srqc(struct hns_roce_dev *hr_dev, struct hns_roce_srq *srq) struct hns_roce_srq_table *srq_table = &hr_dev->srq_table; struct ib_device *ibdev = &hr_dev->ib_dev; struct hns_roce_cmd_mailbox *mailbox; - u64 mtts_wqe[MTT_MIN_COUNT] = { 0 }; - u64 mtts_idx[MTT_MIN_COUNT] = { 0 }; - dma_addr_t dma_handle_wqe = 0; - dma_addr_t dma_handle_idx = 0; int ret; - /* Get the physical address of srq buf */ - ret = hns_roce_mtr_find(hr_dev, &srq->buf_mtr, 0, mtts_wqe, - ARRAY_SIZE(mtts_wqe), &dma_handle_wqe); - if (ret < 1) { - ibdev_err(ibdev, "failed to find mtr for SRQ WQE, ret = %d.\n", - ret); - return -ENOBUFS; - } - - /* Get physical address of idx que buf */ - ret = hns_roce_mtr_find(hr_dev, &srq->idx_que.mtr, 0, mtts_idx, - ARRAY_SIZE(mtts_idx), &dma_handle_idx); - if (ret < 1) { - ibdev_err(ibdev, "failed to find mtr for SRQ idx, ret = %d.\n", - ret); - return -ENOBUFS; - } - ret = hns_roce_bitmap_alloc(&srq_table->bitmap, &srq->srqn); if (ret) { - ibdev_err(ibdev, - "failed to alloc SRQ number, ret = %d.\n", ret); + ibdev_err(ibdev, "failed to alloc SRQ number.\n"); return -ENOMEM; } @@ -127,31 +104,36 @@ static int alloc_srqc(struct hns_roce_dev *hr_dev, struct hns_roce_srq *srq) mailbox = hns_roce_alloc_cmd_mailbox(hr_dev); if (IS_ERR_OR_NULL(mailbox)) { - ret = -ENOMEM; ibdev_err(ibdev, "failed to alloc mailbox for SRQC.\n"); + ret = -ENOMEM; goto err_xa; } - hr_dev->hw->write_srqc(hr_dev, srq, mailbox->buf, mtts_wqe, mtts_idx, - dma_handle_wqe, dma_handle_idx); + ret = hr_dev->hw->write_srqc(srq, mailbox->buf); + if (ret) { + ibdev_err(ibdev, "failed to write SRQC.\n"); + goto err_mbox; + } ret = hns_roce_hw_create_srq(hr_dev, mailbox, srq->srqn); - hns_roce_free_cmd_mailbox(hr_dev, mailbox); if (ret) { ibdev_err(ibdev, "failed to config SRQC, ret = %d.\n", ret); - goto err_xa; + goto err_mbox; } + hns_roce_free_cmd_mailbox(hr_dev, mailbox); + return 0; +err_mbox: + hns_roce_free_cmd_mailbox(hr_dev, mailbox); err_xa: xa_erase(&srq_table->xa, srq->srqn); - err_put: hns_roce_table_put(hr_dev, &srq_table->table, srq->srqn); - err_out: hns_roce_bitmap_free(&srq_table->bitmap, srq->srqn, BITMAP_NO_RR); + return ret; } |