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path: root/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
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Diffstat (limited to 'drivers/infiniband/hw/hns/hns_roce_hw_v2.c')
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_hw_v2.c118
1 files changed, 77 insertions, 41 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
index 2d27dc91a823..e7024b3e171a 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -1574,6 +1574,9 @@ static int hns_roce_v2_profile(struct hns_roce_dev *hr_dev)
caps->mtt_ba_pg_sz = 0;
caps->mtt_buf_pg_sz = 0;
caps->mtt_hop_num = HNS_ROCE_MTT_HOP_NUM;
+ caps->wqe_sq_hop_num = 2;
+ caps->wqe_sge_hop_num = 1;
+ caps->wqe_rq_hop_num = 2;
caps->cqe_ba_pg_sz = 0;
caps->cqe_buf_pg_sz = 0;
caps->cqe_hop_num = HNS_ROCE_CQE_HOP_NUM;
@@ -3021,7 +3024,6 @@ static int hns_roce_v2_clear_hem(struct hns_roce_dev *hr_dev,
}
static int hns_roce_v2_qp_modify(struct hns_roce_dev *hr_dev,
- struct hns_roce_mtt *mtt,
enum ib_qp_state cur_state,
enum ib_qp_state new_state,
struct hns_roce_v2_qp_context *context,
@@ -3517,6 +3519,31 @@ static void modify_qp_init_to_init(struct ib_qp *ibqp,
}
}
+static bool check_wqe_rq_mtt_count(struct hns_roce_dev *hr_dev,
+ struct hns_roce_qp *hr_qp, int mtt_cnt,
+ u32 page_size)
+{
+ struct device *dev = hr_dev->dev;
+
+ if (hr_qp->rq.wqe_cnt < 1)
+ return true;
+
+ if (mtt_cnt < 1) {
+ dev_err(dev, "qp(0x%lx) rqwqe buf ba find failed\n",
+ hr_qp->qpn);
+ return false;
+ }
+
+ if (mtt_cnt < MTT_MIN_COUNT &&
+ (hr_qp->rq.offset + page_size) < hr_qp->buff_size) {
+ dev_err(dev, "qp(0x%lx) next rqwqe buf ba find failed\n",
+ hr_qp->qpn);
+ return false;
+ }
+
+ return true;
+}
+
static int modify_qp_init_to_rtr(struct ib_qp *ibqp,
const struct ib_qp_attr *attr, int attr_mask,
struct hns_roce_v2_qp_context *context,
@@ -3526,25 +3553,27 @@ static int modify_qp_init_to_rtr(struct ib_qp *ibqp,
struct hns_roce_dev *hr_dev = to_hr_dev(ibqp->device);
struct hns_roce_qp *hr_qp = to_hr_qp(ibqp);
struct device *dev = hr_dev->dev;
+ u64 mtts[MTT_MIN_COUNT] = { 0 };
dma_addr_t dma_handle_3;
dma_addr_t dma_handle_2;
- dma_addr_t dma_handle;
+ u64 wqe_sge_ba;
u32 page_size;
u8 port_num;
u64 *mtts_3;
u64 *mtts_2;
- u64 *mtts;
+ int count;
u8 *dmac;
u8 *smac;
int port;
/* Search qp buf's mtts */
- mtts = hns_roce_table_find(hr_dev, &hr_dev->mr_table.mtt_table,
- hr_qp->mtt.first_seg, &dma_handle);
- if (!mtts) {
- dev_err(dev, "qp buf pa find failed\n");
- return -EINVAL;
- }
+ page_size = 1 << (hr_dev->caps.mtt_buf_pg_sz + PAGE_SHIFT);
+ count = hns_roce_mtr_find(hr_dev, &hr_qp->mtr,
+ hr_qp->rq.offset / page_size, mtts,
+ MTT_MIN_COUNT, &wqe_sge_ba);
+ if (!ibqp->srq)
+ if (!check_wqe_rq_mtt_count(hr_dev, hr_qp, count, page_size))
+ return -EINVAL;
/* Search IRRL's mtts */
mtts_2 = hns_roce_table_find(hr_dev, &hr_dev->qp_table.irrl_table,
@@ -3568,7 +3597,7 @@ static int modify_qp_init_to_rtr(struct ib_qp *ibqp,
}
dmac = (u8 *)attr->ah_attr.roce.dmac;
- context->wqe_sge_ba = (u32)(dma_handle >> 3);
+ context->wqe_sge_ba = (u32)(wqe_sge_ba >> 3);
qpc_mask->wqe_sge_ba = 0;
/*
@@ -3578,22 +3607,23 @@ static int modify_qp_init_to_rtr(struct ib_qp *ibqp,
* 0 at the same time, else set them to 0x1.
*/
roce_set_field(context->byte_12_sq_hop, V2_QPC_BYTE_12_WQE_SGE_BA_M,
- V2_QPC_BYTE_12_WQE_SGE_BA_S, dma_handle >> (32 + 3));
+ V2_QPC_BYTE_12_WQE_SGE_BA_S, wqe_sge_ba >> (32 + 3));
roce_set_field(qpc_mask->byte_12_sq_hop, V2_QPC_BYTE_12_WQE_SGE_BA_M,
V2_QPC_BYTE_12_WQE_SGE_BA_S, 0);
roce_set_field(context->byte_12_sq_hop, V2_QPC_BYTE_12_SQ_HOP_NUM_M,
V2_QPC_BYTE_12_SQ_HOP_NUM_S,
- hr_dev->caps.mtt_hop_num == HNS_ROCE_HOP_NUM_0 ?
- 0 : hr_dev->caps.mtt_hop_num);
+ hr_dev->caps.wqe_sq_hop_num == HNS_ROCE_HOP_NUM_0 ?
+ 0 : hr_dev->caps.wqe_sq_hop_num);
roce_set_field(qpc_mask->byte_12_sq_hop, V2_QPC_BYTE_12_SQ_HOP_NUM_M,
V2_QPC_BYTE_12_SQ_HOP_NUM_S, 0);
roce_set_field(context->byte_20_smac_sgid_idx,
V2_QPC_BYTE_20_SGE_HOP_NUM_M,
V2_QPC_BYTE_20_SGE_HOP_NUM_S,
- ((ibqp->qp_type == IB_QPT_GSI) || hr_qp->sq.max_gs > 2) ?
- hr_dev->caps.mtt_hop_num : 0);
+ ((ibqp->qp_type == IB_QPT_GSI) ||
+ hr_qp->sq.max_gs > HNS_ROCE_V2_UC_RC_SGE_NUM_IN_WQE) ?
+ hr_dev->caps.wqe_sge_hop_num : 0);
roce_set_field(qpc_mask->byte_20_smac_sgid_idx,
V2_QPC_BYTE_20_SGE_HOP_NUM_M,
V2_QPC_BYTE_20_SGE_HOP_NUM_S, 0);
@@ -3601,8 +3631,8 @@ static int modify_qp_init_to_rtr(struct ib_qp *ibqp,
roce_set_field(context->byte_20_smac_sgid_idx,
V2_QPC_BYTE_20_RQ_HOP_NUM_M,
V2_QPC_BYTE_20_RQ_HOP_NUM_S,
- hr_dev->caps.mtt_hop_num == HNS_ROCE_HOP_NUM_0 ?
- 0 : hr_dev->caps.mtt_hop_num);
+ hr_dev->caps.wqe_rq_hop_num == HNS_ROCE_HOP_NUM_0 ?
+ 0 : hr_dev->caps.wqe_rq_hop_num);
roce_set_field(qpc_mask->byte_20_smac_sgid_idx,
V2_QPC_BYTE_20_RQ_HOP_NUM_M,
V2_QPC_BYTE_20_RQ_HOP_NUM_S, 0);
@@ -3610,7 +3640,7 @@ static int modify_qp_init_to_rtr(struct ib_qp *ibqp,
roce_set_field(context->byte_16_buf_ba_pg_sz,
V2_QPC_BYTE_16_WQE_SGE_BA_PG_SZ_M,
V2_QPC_BYTE_16_WQE_SGE_BA_PG_SZ_S,
- hr_dev->caps.mtt_ba_pg_sz + PG_SHIFT_OFFSET);
+ hr_qp->wqe_bt_pg_shift + PG_SHIFT_OFFSET);
roce_set_field(qpc_mask->byte_16_buf_ba_pg_sz,
V2_QPC_BYTE_16_WQE_SGE_BA_PG_SZ_M,
V2_QPC_BYTE_16_WQE_SGE_BA_PG_SZ_S, 0);
@@ -3623,29 +3653,24 @@ static int modify_qp_init_to_rtr(struct ib_qp *ibqp,
V2_QPC_BYTE_16_WQE_SGE_BUF_PG_SZ_M,
V2_QPC_BYTE_16_WQE_SGE_BUF_PG_SZ_S, 0);
- page_size = 1 << (hr_dev->caps.mtt_buf_pg_sz + PAGE_SHIFT);
- context->rq_cur_blk_addr = (u32)(mtts[hr_qp->rq.offset / page_size]
- >> PAGE_ADDR_SHIFT);
+ context->rq_cur_blk_addr = (u32)(mtts[0] >> PAGE_ADDR_SHIFT);
qpc_mask->rq_cur_blk_addr = 0;
roce_set_field(context->byte_92_srq_info,
V2_QPC_BYTE_92_RQ_CUR_BLK_ADDR_M,
V2_QPC_BYTE_92_RQ_CUR_BLK_ADDR_S,
- mtts[hr_qp->rq.offset / page_size]
- >> (32 + PAGE_ADDR_SHIFT));
+ mtts[0] >> (32 + PAGE_ADDR_SHIFT));
roce_set_field(qpc_mask->byte_92_srq_info,
V2_QPC_BYTE_92_RQ_CUR_BLK_ADDR_M,
V2_QPC_BYTE_92_RQ_CUR_BLK_ADDR_S, 0);
- context->rq_nxt_blk_addr = (u32)(mtts[hr_qp->rq.offset / page_size + 1]
- >> PAGE_ADDR_SHIFT);
+ context->rq_nxt_blk_addr = (u32)(mtts[1] >> PAGE_ADDR_SHIFT);
qpc_mask->rq_nxt_blk_addr = 0;
roce_set_field(context->byte_104_rq_sge,
V2_QPC_BYTE_104_RQ_NXT_BLK_ADDR_M,
V2_QPC_BYTE_104_RQ_NXT_BLK_ADDR_S,
- mtts[hr_qp->rq.offset / page_size + 1]
- >> (32 + PAGE_ADDR_SHIFT));
+ mtts[1] >> (32 + PAGE_ADDR_SHIFT));
roce_set_field(qpc_mask->byte_104_rq_sge,
V2_QPC_BYTE_104_RQ_NXT_BLK_ADDR_M,
V2_QPC_BYTE_104_RQ_NXT_BLK_ADDR_S, 0);
@@ -3773,18 +3798,30 @@ static int modify_qp_rtr_to_rts(struct ib_qp *ibqp,
struct hns_roce_dev *hr_dev = to_hr_dev(ibqp->device);
struct hns_roce_qp *hr_qp = to_hr_qp(ibqp);
struct device *dev = hr_dev->dev;
- dma_addr_t dma_handle;
+ u64 sge_cur_blk = 0;
+ u64 sq_cur_blk = 0;
u32 page_size;
- u64 *mtts;
+ int count;
/* Search qp buf's mtts */
- mtts = hns_roce_table_find(hr_dev, &hr_dev->mr_table.mtt_table,
- hr_qp->mtt.first_seg, &dma_handle);
- if (!mtts) {
- dev_err(dev, "qp buf pa find failed\n");
+ count = hns_roce_mtr_find(hr_dev, &hr_qp->mtr, 0, &sq_cur_blk, 1, NULL);
+ if (count < 1) {
+ dev_err(dev, "qp(0x%lx) buf pa find failed\n", hr_qp->qpn);
return -EINVAL;
}
+ if (hr_qp->sge.offset) {
+ page_size = 1 << (hr_dev->caps.mtt_buf_pg_sz + PAGE_SHIFT);
+ count = hns_roce_mtr_find(hr_dev, &hr_qp->mtr,
+ hr_qp->sge.offset / page_size,
+ &sge_cur_blk, 1, NULL);
+ if (count < 1) {
+ dev_err(dev, "qp(0x%lx) sge pa find failed\n",
+ hr_qp->qpn);
+ return -EINVAL;
+ }
+ }
+
/* Not support alternate path and path migration */
if ((attr_mask & IB_QP_ALT_PATH) ||
(attr_mask & IB_QP_PATH_MIG_STATE)) {
@@ -3798,38 +3835,37 @@ static int modify_qp_rtr_to_rts(struct ib_qp *ibqp,
* we should set all bits of the relevant fields in context mask to
* 0 at the same time, else set them to 0x1.
*/
- context->sq_cur_blk_addr = (u32)(mtts[0] >> PAGE_ADDR_SHIFT);
+ context->sq_cur_blk_addr = (u32)(sq_cur_blk >> PAGE_ADDR_SHIFT);
roce_set_field(context->byte_168_irrl_idx,
V2_QPC_BYTE_168_SQ_CUR_BLK_ADDR_M,
V2_QPC_BYTE_168_SQ_CUR_BLK_ADDR_S,
- mtts[0] >> (32 + PAGE_ADDR_SHIFT));
+ sq_cur_blk >> (32 + PAGE_ADDR_SHIFT));
qpc_mask->sq_cur_blk_addr = 0;
roce_set_field(qpc_mask->byte_168_irrl_idx,
V2_QPC_BYTE_168_SQ_CUR_BLK_ADDR_M,
V2_QPC_BYTE_168_SQ_CUR_BLK_ADDR_S, 0);
- page_size = 1 << (hr_dev->caps.mtt_buf_pg_sz + PAGE_SHIFT);
context->sq_cur_sge_blk_addr = ((ibqp->qp_type == IB_QPT_GSI) ||
hr_qp->sq.max_gs > HNS_ROCE_V2_UC_RC_SGE_NUM_IN_WQE) ?
- ((u32)(mtts[hr_qp->sge.offset / page_size] >>
+ ((u32)(sge_cur_blk >>
PAGE_ADDR_SHIFT)) : 0;
roce_set_field(context->byte_184_irrl_idx,
V2_QPC_BYTE_184_SQ_CUR_SGE_BLK_ADDR_M,
V2_QPC_BYTE_184_SQ_CUR_SGE_BLK_ADDR_S,
((ibqp->qp_type == IB_QPT_GSI) || hr_qp->sq.max_gs >
HNS_ROCE_V2_UC_RC_SGE_NUM_IN_WQE) ?
- (mtts[hr_qp->sge.offset / page_size] >>
+ (sge_cur_blk >>
(32 + PAGE_ADDR_SHIFT)) : 0);
qpc_mask->sq_cur_sge_blk_addr = 0;
roce_set_field(qpc_mask->byte_184_irrl_idx,
V2_QPC_BYTE_184_SQ_CUR_SGE_BLK_ADDR_M,
V2_QPC_BYTE_184_SQ_CUR_SGE_BLK_ADDR_S, 0);
- context->rx_sq_cur_blk_addr = (u32)(mtts[0] >> PAGE_ADDR_SHIFT);
+ context->rx_sq_cur_blk_addr = (u32)(sq_cur_blk >> PAGE_ADDR_SHIFT);
roce_set_field(context->byte_232_irrl_sge,
V2_QPC_BYTE_232_RX_SQ_CUR_BLK_ADDR_M,
V2_QPC_BYTE_232_RX_SQ_CUR_BLK_ADDR_S,
- mtts[0] >> (32 + PAGE_ADDR_SHIFT));
+ sq_cur_blk >> (32 + PAGE_ADDR_SHIFT));
qpc_mask->rx_sq_cur_blk_addr = 0;
roce_set_field(qpc_mask->byte_232_irrl_sge,
V2_QPC_BYTE_232_RX_SQ_CUR_BLK_ADDR_M,
@@ -4230,7 +4266,7 @@ static int hns_roce_v2_modify_qp(struct ib_qp *ibqp,
V2_QPC_BYTE_60_QP_ST_S, 0);
/* SW pass context to HW */
- ret = hns_roce_v2_qp_modify(hr_dev, &hr_qp->mtt, cur_state, new_state,
+ ret = hns_roce_v2_qp_modify(hr_dev, cur_state, new_state,
context, hr_qp);
if (ret) {
dev_err(dev, "hns_roce_qp_modify failed(%d)\n", ret);
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