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path: root/drivers/infiniband/hw/mlx5/qp.c
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-rw-r--r--drivers/infiniband/hw/mlx5/qp.c104
1 files changed, 96 insertions, 8 deletions
diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c
index 0cb7cc642d87..2e234fecc00e 100644
--- a/drivers/infiniband/hw/mlx5/qp.c
+++ b/drivers/infiniband/hw/mlx5/qp.c
@@ -1078,6 +1078,7 @@ static int _create_kernel_qp(struct mlx5_ib_dev *dev,
qpc = MLX5_ADDR_OF(create_qp_in, *in, qpc);
MLX5_SET(qpc, qpc, uar_page, uar_index);
+ MLX5_SET(qpc, qpc, ts_format, MLX5_QPC_TIMESTAMP_FORMAT_DEFAULT);
MLX5_SET(qpc, qpc, log_page_size, qp->buf.page_shift - MLX5_ADAPTER_PAGE_SHIFT);
/* Set "fast registration enabled" for all kernel QPs */
@@ -1172,10 +1173,72 @@ static void destroy_flow_rule_vport_sq(struct mlx5_ib_sq *sq)
sq->flow_rule = NULL;
}
+static int get_rq_ts_format(struct mlx5_ib_dev *dev, struct mlx5_ib_cq *send_cq)
+{
+ bool fr_supported =
+ MLX5_CAP_GEN(dev->mdev, rq_ts_format) ==
+ MLX5_RQ_TIMESTAMP_FORMAT_CAP_FREE_RUNNING ||
+ MLX5_CAP_GEN(dev->mdev, rq_ts_format) ==
+ MLX5_RQ_TIMESTAMP_FORMAT_CAP_FREE_RUNNING_AND_REAL_TIME;
+
+ if (send_cq->create_flags & IB_UVERBS_CQ_FLAGS_TIMESTAMP_COMPLETION) {
+ if (!fr_supported) {
+ mlx5_ib_dbg(dev, "Free running TS format is not supported\n");
+ return -EOPNOTSUPP;
+ }
+ return MLX5_RQC_TIMESTAMP_FORMAT_FREE_RUNNING;
+ }
+ return MLX5_RQC_TIMESTAMP_FORMAT_DEFAULT;
+}
+
+static int get_sq_ts_format(struct mlx5_ib_dev *dev, struct mlx5_ib_cq *send_cq)
+{
+ bool fr_supported =
+ MLX5_CAP_GEN(dev->mdev, sq_ts_format) ==
+ MLX5_SQ_TIMESTAMP_FORMAT_CAP_FREE_RUNNING ||
+ MLX5_CAP_GEN(dev->mdev, sq_ts_format) ==
+ MLX5_SQ_TIMESTAMP_FORMAT_CAP_FREE_RUNNING_AND_REAL_TIME;
+
+ if (send_cq->create_flags & IB_UVERBS_CQ_FLAGS_TIMESTAMP_COMPLETION) {
+ if (!fr_supported) {
+ mlx5_ib_dbg(dev, "Free running TS format is not supported\n");
+ return -EOPNOTSUPP;
+ }
+ return MLX5_SQC_TIMESTAMP_FORMAT_FREE_RUNNING;
+ }
+ return MLX5_SQC_TIMESTAMP_FORMAT_DEFAULT;
+}
+
+static int get_qp_ts_format(struct mlx5_ib_dev *dev, struct mlx5_ib_cq *send_cq,
+ struct mlx5_ib_cq *recv_cq)
+{
+ bool fr_supported =
+ MLX5_CAP_ROCE(dev->mdev, qp_ts_format) ==
+ MLX5_QP_TIMESTAMP_FORMAT_CAP_FREE_RUNNING ||
+ MLX5_CAP_ROCE(dev->mdev, qp_ts_format) ==
+ MLX5_QP_TIMESTAMP_FORMAT_CAP_FREE_RUNNING_AND_REAL_TIME;
+ int ts_format = MLX5_QPC_TIMESTAMP_FORMAT_DEFAULT;
+
+ if (recv_cq &&
+ recv_cq->create_flags & IB_UVERBS_CQ_FLAGS_TIMESTAMP_COMPLETION)
+ ts_format = MLX5_QPC_TIMESTAMP_FORMAT_FREE_RUNNING;
+
+ if (send_cq &&
+ send_cq->create_flags & IB_UVERBS_CQ_FLAGS_TIMESTAMP_COMPLETION)
+ ts_format = MLX5_QPC_TIMESTAMP_FORMAT_FREE_RUNNING;
+
+ if (ts_format == MLX5_QPC_TIMESTAMP_FORMAT_FREE_RUNNING &&
+ !fr_supported) {
+ mlx5_ib_dbg(dev, "Free running TS format is not supported\n");
+ return -EOPNOTSUPP;
+ }
+ return ts_format;
+}
+
static int create_raw_packet_qp_sq(struct mlx5_ib_dev *dev,
struct ib_udata *udata,
struct mlx5_ib_sq *sq, void *qpin,
- struct ib_pd *pd)
+ struct ib_pd *pd, struct mlx5_ib_cq *cq)
{
struct mlx5_ib_ubuffer *ubuffer = &sq->ubuffer;
__be64 *pas;
@@ -1187,6 +1250,11 @@ static int create_raw_packet_qp_sq(struct mlx5_ib_dev *dev,
int err;
unsigned int page_offset_quantized;
unsigned long page_size;
+ int ts_format;
+
+ ts_format = get_sq_ts_format(dev, cq);
+ if (ts_format < 0)
+ return ts_format;
sq->ubuffer.umem = ib_umem_get(&dev->ib_dev, ubuffer->buf_addr,
ubuffer->buf_size, 0);
@@ -1215,6 +1283,7 @@ static int create_raw_packet_qp_sq(struct mlx5_ib_dev *dev,
if (MLX5_CAP_ETH(dev->mdev, multi_pkt_send_wqe))
MLX5_SET(sqc, sqc, allow_multi_pkt_send_wqe, 1);
MLX5_SET(sqc, sqc, state, MLX5_SQC_STATE_RST);
+ MLX5_SET(sqc, sqc, ts_format, ts_format);
MLX5_SET(sqc, sqc, user_index, MLX5_GET(qpc, qpc, user_index));
MLX5_SET(sqc, sqc, cqn, MLX5_GET(qpc, qpc, cqn_snd));
MLX5_SET(sqc, sqc, tis_lst_sz, 1);
@@ -1263,7 +1332,7 @@ static void destroy_raw_packet_qp_sq(struct mlx5_ib_dev *dev,
static int create_raw_packet_qp_rq(struct mlx5_ib_dev *dev,
struct mlx5_ib_rq *rq, void *qpin,
- struct ib_pd *pd)
+ struct ib_pd *pd, struct mlx5_ib_cq *cq)
{
struct mlx5_ib_qp *mqp = rq->base.container_mibqp;
__be64 *pas;
@@ -1274,9 +1343,14 @@ static int create_raw_packet_qp_rq(struct mlx5_ib_dev *dev,
struct ib_umem *umem = rq->base.ubuffer.umem;
unsigned int page_offset_quantized;
unsigned long page_size = 0;
+ int ts_format;
size_t inlen;
int err;
+ ts_format = get_rq_ts_format(dev, cq);
+ if (ts_format < 0)
+ return ts_format;
+
page_size = mlx5_umem_find_best_quantized_pgoff(umem, wq, log_wq_pg_sz,
MLX5_ADAPTER_PAGE_SHIFT,
page_offset, 64,
@@ -1296,6 +1370,7 @@ static int create_raw_packet_qp_rq(struct mlx5_ib_dev *dev,
MLX5_SET(rqc, rqc, vsd, 1);
MLX5_SET(rqc, rqc, mem_rq_type, MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE);
MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST);
+ MLX5_SET(rqc, rqc, ts_format, ts_format);
MLX5_SET(rqc, rqc, flush_in_error_en, 1);
MLX5_SET(rqc, rqc, user_index, MLX5_GET(qpc, qpc, user_index));
MLX5_SET(rqc, rqc, cqn, MLX5_GET(qpc, qpc, cqn_rcv));
@@ -1393,10 +1468,10 @@ static int create_raw_packet_qp_tir(struct mlx5_ib_dev *dev,
}
static int create_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp,
- u32 *in, size_t inlen,
- struct ib_pd *pd,
+ u32 *in, size_t inlen, struct ib_pd *pd,
struct ib_udata *udata,
- struct mlx5_ib_create_qp_resp *resp)
+ struct mlx5_ib_create_qp_resp *resp,
+ struct ib_qp_init_attr *init_attr)
{
struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp;
struct mlx5_ib_sq *sq = &raw_packet_qp->sq;
@@ -1415,7 +1490,8 @@ static int create_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp,
if (err)
return err;
- err = create_raw_packet_qp_sq(dev, udata, sq, in, pd);
+ err = create_raw_packet_qp_sq(dev, udata, sq, in, pd,
+ to_mcq(init_attr->send_cq));
if (err)
goto err_destroy_tis;
@@ -1437,7 +1513,8 @@ static int create_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp,
rq->flags |= MLX5_IB_RQ_CVLAN_STRIPPING;
if (qp->flags & IB_QP_CREATE_PCI_WRITE_END_PADDING)
rq->flags |= MLX5_IB_RQ_PCI_WRITE_END_PADDING;
- err = create_raw_packet_qp_rq(dev, rq, in, pd);
+ err = create_raw_packet_qp_rq(dev, rq, in, pd,
+ to_mcq(init_attr->recv_cq));
if (err)
goto err_destroy_sq;
@@ -1907,6 +1984,7 @@ static int create_user_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd,
struct mlx5_ib_cq *recv_cq;
unsigned long flags;
struct mlx5_ib_qp_base *base;
+ int ts_format;
int mlx5_st;
void *qpc;
u32 *in;
@@ -1944,6 +2022,13 @@ static int create_user_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd,
if (ucmd->sq_wqe_count > (1 << MLX5_CAP_GEN(mdev, log_max_qp_sz)))
return -EINVAL;
+ if (init_attr->qp_type != IB_QPT_RAW_PACKET) {
+ ts_format = get_qp_ts_format(dev, to_mcq(init_attr->send_cq),
+ to_mcq(init_attr->recv_cq));
+ if (ts_format < 0)
+ return ts_format;
+ }
+
err = _create_user_qp(dev, pd, qp, udata, init_attr, &in, &params->resp,
&inlen, base, ucmd);
if (err)
@@ -1992,6 +2077,9 @@ static int create_user_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd,
MLX5_SET(qpc, qpc, log_rq_size, ilog2(qp->rq.wqe_cnt));
}
+ if (init_attr->qp_type != IB_QPT_RAW_PACKET)
+ MLX5_SET(qpc, qpc, ts_format, ts_format);
+
MLX5_SET(qpc, qpc, rq_type, get_rx_type(qp, init_attr));
if (qp->sq.wqe_cnt) {
@@ -2046,7 +2134,7 @@ static int create_user_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd,
qp->raw_packet_qp.sq.ubuffer.buf_addr = ucmd->sq_buf_addr;
raw_packet_qp_copy_info(qp, &qp->raw_packet_qp);
err = create_raw_packet_qp(dev, qp, in, inlen, pd, udata,
- &params->resp);
+ &params->resp, init_attr);
} else
err = mlx5_qpc_create_qp(dev, &base->mqp, in, inlen, out);
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