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path: root/drivers/infiniband/hw/hns/hns_roce_qp.c
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Diffstat (limited to 'drivers/infiniband/hw/hns/hns_roce_qp.c')
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_qp.c140
1 files changed, 111 insertions, 29 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_qp.c b/drivers/infiniband/hw/hns/hns_roce_qp.c
index 881ea67e6bac..c04aa81ffac9 100644
--- a/drivers/infiniband/hw/hns/hns_roce_qp.c
+++ b/drivers/infiniband/hw/hns/hns_roce_qp.c
@@ -286,20 +286,27 @@ static int hns_roce_set_rq_size(struct hns_roce_dev *hr_dev,
return -EINVAL;
}
- /* In v1 engine, parameter verification procession */
- max_cnt = cap->max_recv_wr > HNS_ROCE_MIN_WQE_NUM ?
- cap->max_recv_wr : HNS_ROCE_MIN_WQE_NUM;
+ if (hr_dev->caps.min_wqes)
+ max_cnt = max(cap->max_recv_wr, hr_dev->caps.min_wqes);
+ else
+ max_cnt = cap->max_recv_wr;
+
hr_qp->rq.wqe_cnt = roundup_pow_of_two(max_cnt);
if ((u32)hr_qp->rq.wqe_cnt > hr_dev->caps.max_wqes) {
- dev_err(dev, "hns_roce_set_rq_size rq.wqe_cnt too large\n");
+ dev_err(dev, "while setting rq size, rq.wqe_cnt too large\n");
return -EINVAL;
}
max_cnt = max(1U, cap->max_recv_sge);
hr_qp->rq.max_gs = roundup_pow_of_two(max_cnt);
- /* WQE is fixed for 64B */
- hr_qp->rq.wqe_shift = ilog2(hr_dev->caps.max_rq_desc_sz);
+ if (hr_dev->caps.max_rq_sg <= 2)
+ hr_qp->rq.wqe_shift =
+ ilog2(hr_dev->caps.max_rq_desc_sz);
+ else
+ hr_qp->rq.wqe_shift =
+ ilog2(hr_dev->caps.max_rq_desc_sz
+ * hr_qp->rq.max_gs);
}
cap->max_recv_wr = hr_qp->rq.max_post = hr_qp->rq.wqe_cnt;
@@ -309,11 +316,13 @@ static int hns_roce_set_rq_size(struct hns_roce_dev *hr_dev,
}
static int hns_roce_set_user_sq_size(struct hns_roce_dev *hr_dev,
+ struct ib_qp_cap *cap,
struct hns_roce_qp *hr_qp,
struct hns_roce_ib_create_qp *ucmd)
{
u32 roundup_sq_stride = roundup_pow_of_two(hr_dev->caps.max_sq_desc_sz);
u8 max_sq_stride = ilog2(roundup_sq_stride);
+ u32 max_cnt;
/* Sanity check SQ size before proceeding */
if ((u32)(1 << ucmd->log_sq_bb_count) > hr_dev->caps.max_wqes ||
@@ -323,18 +332,61 @@ static int hns_roce_set_user_sq_size(struct hns_roce_dev *hr_dev,
return -EINVAL;
}
+ if (cap->max_send_sge > hr_dev->caps.max_sq_sg) {
+ dev_err(hr_dev->dev, "SQ sge error! max_send_sge=%d\n",
+ cap->max_send_sge);
+ return -EINVAL;
+ }
+
hr_qp->sq.wqe_cnt = 1 << ucmd->log_sq_bb_count;
hr_qp->sq.wqe_shift = ucmd->log_sq_stride;
+ max_cnt = max(1U, cap->max_send_sge);
+ if (hr_dev->caps.max_sq_sg <= 2)
+ hr_qp->sq.max_gs = roundup_pow_of_two(max_cnt);
+ else
+ hr_qp->sq.max_gs = max_cnt;
+
+ if (hr_qp->sq.max_gs > 2)
+ hr_qp->sge.sge_cnt = roundup_pow_of_two(hr_qp->sq.wqe_cnt *
+ (hr_qp->sq.max_gs - 2));
+ hr_qp->sge.sge_shift = 4;
+
/* Get buf size, SQ and RQ are aligned to page_szie */
- hr_qp->buff_size = HNS_ROCE_ALOGN_UP((hr_qp->rq.wqe_cnt <<
+ if (hr_dev->caps.max_sq_sg <= 2) {
+ hr_qp->buff_size = HNS_ROCE_ALOGN_UP((hr_qp->rq.wqe_cnt <<
hr_qp->rq.wqe_shift), PAGE_SIZE) +
- HNS_ROCE_ALOGN_UP((hr_qp->sq.wqe_cnt <<
+ HNS_ROCE_ALOGN_UP((hr_qp->sq.wqe_cnt <<
hr_qp->sq.wqe_shift), PAGE_SIZE);
- hr_qp->sq.offset = 0;
- hr_qp->rq.offset = HNS_ROCE_ALOGN_UP((hr_qp->sq.wqe_cnt <<
+ hr_qp->sq.offset = 0;
+ hr_qp->rq.offset = HNS_ROCE_ALOGN_UP((hr_qp->sq.wqe_cnt <<
hr_qp->sq.wqe_shift), PAGE_SIZE);
+ } else {
+ hr_qp->buff_size = HNS_ROCE_ALOGN_UP((hr_qp->rq.wqe_cnt <<
+ hr_qp->rq.wqe_shift), PAGE_SIZE) +
+ HNS_ROCE_ALOGN_UP((hr_qp->sge.sge_cnt <<
+ hr_qp->sge.sge_shift), PAGE_SIZE) +
+ HNS_ROCE_ALOGN_UP((hr_qp->sq.wqe_cnt <<
+ hr_qp->sq.wqe_shift), PAGE_SIZE);
+
+ hr_qp->sq.offset = 0;
+ if (hr_qp->sge.sge_cnt) {
+ hr_qp->sge.offset = HNS_ROCE_ALOGN_UP(
+ (hr_qp->sq.wqe_cnt <<
+ hr_qp->sq.wqe_shift),
+ PAGE_SIZE);
+ hr_qp->rq.offset = hr_qp->sge.offset +
+ HNS_ROCE_ALOGN_UP((hr_qp->sge.sge_cnt <<
+ hr_qp->sge.sge_shift),
+ PAGE_SIZE);
+ } else {
+ hr_qp->rq.offset = HNS_ROCE_ALOGN_UP(
+ (hr_qp->sq.wqe_cnt <<
+ hr_qp->sq.wqe_shift),
+ PAGE_SIZE);
+ }
+ }
return 0;
}
@@ -345,11 +397,12 @@ static int hns_roce_set_kernel_sq_size(struct hns_roce_dev *hr_dev,
{
struct device *dev = hr_dev->dev;
u32 max_cnt;
+ int size;
if (cap->max_send_wr > hr_dev->caps.max_wqes ||
cap->max_send_sge > hr_dev->caps.max_sq_sg ||
cap->max_inline_data > hr_dev->caps.max_sq_inline) {
- dev_err(dev, "hns_roce_set_kernel_sq_size error1\n");
+ dev_err(dev, "SQ WR or sge or inline data error!\n");
return -EINVAL;
}
@@ -357,27 +410,45 @@ static int hns_roce_set_kernel_sq_size(struct hns_roce_dev *hr_dev,
hr_qp->sq_max_wqes_per_wr = 1;
hr_qp->sq_spare_wqes = 0;
- /* In v1 engine, parameter verification procession */
- max_cnt = cap->max_send_wr > HNS_ROCE_MIN_WQE_NUM ?
- cap->max_send_wr : HNS_ROCE_MIN_WQE_NUM;
+ if (hr_dev->caps.min_wqes)
+ max_cnt = max(cap->max_send_wr, hr_dev->caps.min_wqes);
+ else
+ max_cnt = cap->max_send_wr;
+
hr_qp->sq.wqe_cnt = roundup_pow_of_two(max_cnt);
if ((u32)hr_qp->sq.wqe_cnt > hr_dev->caps.max_wqes) {
- dev_err(dev, "hns_roce_set_kernel_sq_size sq.wqe_cnt too large\n");
+ dev_err(dev, "while setting kernel sq size, sq.wqe_cnt too large\n");
return -EINVAL;
}
/* Get data_seg numbers */
max_cnt = max(1U, cap->max_send_sge);
- hr_qp->sq.max_gs = roundup_pow_of_two(max_cnt);
+ if (hr_dev->caps.max_sq_sg <= 2)
+ hr_qp->sq.max_gs = roundup_pow_of_two(max_cnt);
+ else
+ hr_qp->sq.max_gs = max_cnt;
- /* Get buf size, SQ and RQ are aligned to page_szie */
- hr_qp->buff_size = HNS_ROCE_ALOGN_UP((hr_qp->rq.wqe_cnt <<
- hr_qp->rq.wqe_shift), PAGE_SIZE) +
- HNS_ROCE_ALOGN_UP((hr_qp->sq.wqe_cnt <<
- hr_qp->sq.wqe_shift), PAGE_SIZE);
+ if (hr_qp->sq.max_gs > 2) {
+ hr_qp->sge.sge_cnt = roundup_pow_of_two(hr_qp->sq.wqe_cnt *
+ (hr_qp->sq.max_gs - 2));
+ hr_qp->sge.sge_shift = 4;
+ }
+
+ /* Get buf size, SQ and RQ are aligned to PAGE_SIZE */
hr_qp->sq.offset = 0;
- hr_qp->rq.offset = HNS_ROCE_ALOGN_UP((hr_qp->sq.wqe_cnt <<
- hr_qp->sq.wqe_shift), PAGE_SIZE);
+ size = HNS_ROCE_ALOGN_UP(hr_qp->sq.wqe_cnt << hr_qp->sq.wqe_shift,
+ PAGE_SIZE);
+
+ if (hr_dev->caps.max_sq_sg > 2 && hr_qp->sge.sge_cnt) {
+ hr_qp->sge.offset = size;
+ size += HNS_ROCE_ALOGN_UP(hr_qp->sge.sge_cnt <<
+ hr_qp->sge.sge_shift, PAGE_SIZE);
+ }
+
+ hr_qp->rq.offset = size;
+ size += HNS_ROCE_ALOGN_UP((hr_qp->rq.wqe_cnt << hr_qp->rq.wqe_shift),
+ PAGE_SIZE);
+ hr_qp->buff_size = size;
/* Get wr and sge number which send */
cap->max_send_wr = hr_qp->sq.max_post = hr_qp->sq.wqe_cnt;
@@ -425,7 +496,8 @@ static int hns_roce_create_qp_common(struct hns_roce_dev *hr_dev,
goto err_out;
}
- ret = hns_roce_set_user_sq_size(hr_dev, hr_qp, &ucmd);
+ ret = hns_roce_set_user_sq_size(hr_dev, &init_attr->cap, hr_qp,
+ &ucmd);
if (ret) {
dev_err(dev, "hns_roce_set_user_sq_size error for create qp\n");
goto err_out;
@@ -528,7 +600,9 @@ static int hns_roce_create_qp_common(struct hns_roce_dev *hr_dev,
}
}
- if ((init_attr->qp_type) == IB_QPT_GSI) {
+ if (init_attr->qp_type == IB_QPT_GSI &&
+ hr_dev->hw_rev == HNS_ROCE_HW_VER1) {
+ /* In v1 engine, GSI QP context in RoCE engine's register */
ret = hns_roce_gsi_qp_alloc(hr_dev, qpn, hr_qp);
if (ret) {
dev_err(dev, "hns_roce_qp_alloc failed!\n");
@@ -700,7 +774,10 @@ int hns_roce_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
p = attr_mask & IB_QP_PORT ? (attr->port_num - 1) : hr_qp->port;
active_mtu = iboe_get_mtu(hr_dev->iboe.netdevs[p]->mtu);
- if (attr->path_mtu > IB_MTU_2048 ||
+ if ((hr_dev->caps.max_mtu == IB_MTU_4096 &&
+ attr->path_mtu > IB_MTU_4096) ||
+ (hr_dev->caps.max_mtu == IB_MTU_2048 &&
+ attr->path_mtu > IB_MTU_2048) ||
attr->path_mtu < IB_MTU_256 ||
attr->path_mtu > active_mtu) {
dev_err(dev, "attr path_mtu(%d)invalid while modify qp",
@@ -724,9 +801,7 @@ int hns_roce_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
}
if (cur_state == new_state && cur_state == IB_QPS_RESET) {
- ret = -EPERM;
- dev_err(dev, "cur_state=%d new_state=%d\n", cur_state,
- new_state);
+ ret = 0;
goto out;
}
@@ -804,6 +879,13 @@ void *get_send_wqe(struct hns_roce_qp *hr_qp, int n)
}
EXPORT_SYMBOL_GPL(get_send_wqe);
+void *get_send_extend_sge(struct hns_roce_qp *hr_qp, int n)
+{
+ return hns_roce_buf_offset(&hr_qp->hr_buf, hr_qp->sge.offset +
+ (n << hr_qp->sge.sge_shift));
+}
+EXPORT_SYMBOL_GPL(get_send_extend_sge);
+
bool hns_roce_wq_overflow(struct hns_roce_wq *hr_wq, int nreq,
struct ib_cq *ib_cq)
{
generated by cgit v1.2.3 (git 2.39.0) at 2025-02-25 21:58:33 +0300