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path: root/drivers/infiniband/hw/mlx5/qp.c
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Diffstat (limited to 'drivers/infiniband/hw/mlx5/qp.c')
-rw-r--r--drivers/infiniband/hw/mlx5/qp.c95
1 files changed, 65 insertions, 30 deletions
diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c
index 8115ab107149..88724d15705d 100644
--- a/drivers/infiniband/hw/mlx5/qp.c
+++ b/drivers/infiniband/hw/mlx5/qp.c
@@ -1107,8 +1107,6 @@ static int _create_kernel_qp(struct mlx5_ib_dev *dev,
if (init_attr->qp_type == MLX5_IB_QPT_REG_UMR)
qp->bf.bfreg = &dev->fp_bfreg;
- else if (qp->flags & MLX5_IB_QP_CREATE_WC_TEST)
- qp->bf.bfreg = &dev->wc_bfreg;
else
qp->bf.bfreg = &dev->bfreg;
@@ -1962,7 +1960,7 @@ static int atomic_size_to_mode(int size_mask)
}
static int get_atomic_mode(struct mlx5_ib_dev *dev,
- enum ib_qp_type qp_type)
+ struct mlx5_ib_qp *qp)
{
u8 atomic_operations = MLX5_CAP_ATOMIC(dev->mdev, atomic_operations);
u8 atomic = MLX5_CAP_GEN(dev->mdev, atomic);
@@ -1972,7 +1970,7 @@ static int get_atomic_mode(struct mlx5_ib_dev *dev,
if (!atomic)
return -EOPNOTSUPP;
- if (qp_type == MLX5_IB_QPT_DCT)
+ if (qp->type == MLX5_IB_QPT_DCT)
atomic_size_mask = MLX5_CAP_ATOMIC(dev->mdev, atomic_size_dc);
else
atomic_size_mask = MLX5_CAP_ATOMIC(dev->mdev, atomic_size_qp);
@@ -1986,6 +1984,10 @@ static int get_atomic_mode(struct mlx5_ib_dev *dev,
atomic_operations & MLX5_ATOMIC_OPS_FETCH_ADD))
atomic_mode = MLX5_ATOMIC_MODE_IB_COMP;
+ /* OOO DP QPs do not support larger than 8-Bytes atomic operations */
+ if (atomic_mode > MLX5_ATOMIC_MODE_8B && qp->is_ooo_rq)
+ atomic_mode = MLX5_ATOMIC_MODE_8B;
+
return atomic_mode;
}
@@ -2841,6 +2843,29 @@ static int check_valid_flow(struct mlx5_ib_dev *dev, struct ib_pd *pd,
return 0;
}
+static bool get_dp_ooo_cap(struct mlx5_core_dev *mdev, enum ib_qp_type qp_type)
+{
+ if (!MLX5_CAP_GEN_2(mdev, dp_ordering_force))
+ return false;
+
+ switch (qp_type) {
+ case IB_QPT_RC:
+ return MLX5_CAP_GEN(mdev, dp_ordering_ooo_all_rc);
+ case IB_QPT_XRC_INI:
+ case IB_QPT_XRC_TGT:
+ return MLX5_CAP_GEN(mdev, dp_ordering_ooo_all_xrc);
+ case IB_QPT_UC:
+ return MLX5_CAP_GEN(mdev, dp_ordering_ooo_all_uc);
+ case IB_QPT_UD:
+ return MLX5_CAP_GEN(mdev, dp_ordering_ooo_all_ud);
+ case MLX5_IB_QPT_DCI:
+ case MLX5_IB_QPT_DCT:
+ return MLX5_CAP_GEN(mdev, dp_ordering_ooo_all_dc);
+ default:
+ return false;
+ }
+}
+
static void process_vendor_flag(struct mlx5_ib_dev *dev, int *flags, int flag,
bool cond, struct mlx5_ib_qp *qp)
{
@@ -2959,14 +2984,6 @@ static void process_create_flag(struct mlx5_ib_dev *dev, int *flags, int flag,
return;
}
- if (flag == MLX5_IB_QP_CREATE_WC_TEST) {
- /*
- * Special case, if condition didn't meet, it won't be error,
- * just different in-kernel flow.
- */
- *flags &= ~MLX5_IB_QP_CREATE_WC_TEST;
- return;
- }
mlx5_ib_dbg(dev, "Verbs create QP flag 0x%X is not supported\n", flag);
}
@@ -3027,8 +3044,6 @@ static int process_create_flags(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp,
IB_QP_CREATE_PCI_WRITE_END_PADDING,
MLX5_CAP_GEN(mdev, end_pad), qp);
- process_create_flag(dev, &create_flags, MLX5_IB_QP_CREATE_WC_TEST,
- qp_type != MLX5_IB_QPT_REG_UMR, qp);
process_create_flag(dev, &create_flags, MLX5_IB_QP_CREATE_SQPN_QP1,
true, qp);
@@ -3097,7 +3112,6 @@ static int create_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd,
switch (qp->type) {
case MLX5_IB_QPT_DCT:
err = create_dct(dev, pd, qp, params);
- rdma_restrack_no_track(&qp->ibqp.res);
break;
case MLX5_IB_QPT_DCI:
err = create_dci(dev, pd, qp, params);
@@ -3109,9 +3123,9 @@ static int create_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd,
err = mlx5_ib_create_gsi(pd, qp, params->attr);
break;
case MLX5_IB_QPT_HW_GSI:
- case MLX5_IB_QPT_REG_UMR:
rdma_restrack_no_track(&qp->ibqp.res);
fallthrough;
+ case MLX5_IB_QPT_REG_UMR:
default:
if (params->udata)
err = create_user_qp(dev, pd, qp, params);
@@ -3247,6 +3261,10 @@ int mlx5_ib_create_qp(struct ib_qp *ibqp, struct ib_qp_init_attr *attr,
enum ib_qp_type type;
int err;
+ err = mlx5_ib_dev_res_srq_init(dev);
+ if (err)
+ return err;
+
err = check_qp_type(dev, attr, &type);
if (err)
return err;
@@ -3374,7 +3392,7 @@ static int set_qpc_atomic_flags(struct mlx5_ib_qp *qp,
if (access_flags & IB_ACCESS_REMOTE_ATOMIC) {
int atomic_mode;
- atomic_mode = get_atomic_mode(dev, qp->type);
+ atomic_mode = get_atomic_mode(dev, qp);
if (atomic_mode < 0)
return -EOPNOTSUPP;
@@ -3429,11 +3447,11 @@ static int ib_to_mlx5_rate_map(u8 rate)
return 0;
}
-static int ib_rate_to_mlx5(struct mlx5_ib_dev *dev, u8 rate)
+int mlx5r_ib_rate(struct mlx5_ib_dev *dev, u8 rate)
{
u32 stat_rate_support;
- if (rate == IB_RATE_PORT_CURRENT)
+ if (rate == IB_RATE_PORT_CURRENT || rate == IB_RATE_800_GBPS)
return 0;
if (rate < IB_RATE_2_5_GBPS || rate > IB_RATE_800_GBPS)
@@ -3578,7 +3596,7 @@ static int mlx5_set_path(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp,
sizeof(grh->dgid.raw));
}
- err = ib_rate_to_mlx5(dev, rdma_ah_get_static_rate(ah));
+ err = mlx5r_ib_rate(dev, rdma_ah_get_static_rate(ah));
if (err < 0)
return err;
MLX5_SET(ads, path, stat_rate, err);
@@ -4226,7 +4244,12 @@ static int __mlx5_ib_modify_qp(struct ib_qp *ibqp,
/* todo implement counter_index functionality */
- if (is_sqp(qp->type))
+ if (dev->ib_dev.type == RDMA_DEVICE_TYPE_SMI && is_qp0(qp->type)) {
+ MLX5_SET(ads, pri_path, vhca_port_num,
+ smi_to_native_portnum(dev, qp->port));
+ if (cur_state == IB_QPS_INIT && new_state == IB_QPS_RTR)
+ MLX5_SET(ads, pri_path, plane_index, qp->port);
+ } else if (is_sqp(qp->type))
MLX5_SET(ads, pri_path, vhca_port_num, qp->port);
if (attr_mask & IB_QP_PORT)
@@ -4272,14 +4295,14 @@ static int __mlx5_ib_modify_qp(struct ib_qp *ibqp,
MLX5_SET(qpc, qpc, retry_count, attr->retry_cnt);
if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC && attr->max_rd_atomic)
- MLX5_SET(qpc, qpc, log_sra_max, ilog2(attr->max_rd_atomic));
+ MLX5_SET(qpc, qpc, log_sra_max, fls(attr->max_rd_atomic - 1));
if (attr_mask & IB_QP_SQ_PSN)
MLX5_SET(qpc, qpc, next_send_psn, attr->sq_psn);
if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC && attr->max_dest_rd_atomic)
MLX5_SET(qpc, qpc, log_rra_max,
- ilog2(attr->max_dest_rd_atomic));
+ fls(attr->max_dest_rd_atomic - 1));
if (attr_mask & (IB_QP_ACCESS_FLAGS | IB_QP_MAX_DEST_RD_ATOMIC)) {
err = set_qpc_atomic_flags(qp, attr, attr_mask, qpc);
@@ -4320,6 +4343,11 @@ static int __mlx5_ib_modify_qp(struct ib_qp *ibqp,
if (qp->flags & MLX5_IB_QP_CREATE_SQPN_QP1)
MLX5_SET(qpc, qpc, deth_sqpn, 1);
+ if (qp->is_ooo_rq && cur_state == IB_QPS_INIT && new_state == IB_QPS_RTR) {
+ MLX5_SET(qpc, qpc, dp_ordering_1, 1);
+ MLX5_SET(qpc, qpc, dp_ordering_force, 1);
+ }
+
mlx5_cur = to_mlx5_state(cur_state);
mlx5_new = to_mlx5_state(new_state);
@@ -4535,7 +4563,7 @@ static int mlx5_ib_modify_dct(struct ib_qp *ibqp, struct ib_qp_attr *attr,
if (attr->qp_access_flags & IB_ACCESS_REMOTE_ATOMIC) {
int atomic_mode;
- atomic_mode = get_atomic_mode(dev, MLX5_IB_QPT_DCT);
+ atomic_mode = get_atomic_mode(dev, qp);
if (atomic_mode < 0)
return -EOPNOTSUPP;
@@ -4551,6 +4579,8 @@ static int mlx5_ib_modify_dct(struct ib_qp *ibqp, struct ib_qp_attr *attr,
set_id = mlx5_ib_get_counters_id(dev, attr->port_num - 1);
MLX5_SET(dctc, dctc, counter_set_id, set_id);
+
+ qp->port = attr->port_num;
} else if (cur_state == IB_QPS_INIT && new_state == IB_QPS_RTR) {
struct mlx5_ib_modify_qp_resp resp = {};
u32 out[MLX5_ST_SZ_DW(create_dct_out)] = {};
@@ -4577,6 +4607,10 @@ static int mlx5_ib_modify_dct(struct ib_qp *ibqp, struct ib_qp_attr *attr,
MLX5_SET(dctc, dctc, hop_limit, attr->ah_attr.grh.hop_limit);
if (attr->ah_attr.type == RDMA_AH_ATTR_TYPE_ROCE)
MLX5_SET(dctc, dctc, eth_prio, attr->ah_attr.sl & 0x7);
+ if (qp->is_ooo_rq) {
+ MLX5_SET(dctc, dctc, dp_ordering_1, 1);
+ MLX5_SET(dctc, dctc, dp_ordering_force, 1);
+ }
err = mlx5_core_create_dct(dev, &qp->dct.mdct, qp->dct.in,
MLX5_ST_SZ_BYTES(create_dct_in), out,
@@ -4610,10 +4644,6 @@ static bool mlx5_ib_modify_qp_allowed(struct mlx5_ib_dev *dev,
if (qp->type == IB_QPT_RAW_PACKET || qp->type == MLX5_IB_QPT_REG_UMR)
return true;
- /* Internal QP used for wc testing, with NOPs in wq */
- if (qp->flags & MLX5_IB_QP_CREATE_WC_TEST)
- return true;
-
return false;
}
@@ -4684,11 +4714,16 @@ int mlx5_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
min(udata->inlen, sizeof(ucmd))))
return -EFAULT;
- if (ucmd.comp_mask ||
+ if (ucmd.comp_mask & ~MLX5_IB_MODIFY_QP_OOO_DP ||
memchr_inv(&ucmd.burst_info.reserved, 0,
sizeof(ucmd.burst_info.reserved)))
return -EOPNOTSUPP;
+ if (ucmd.comp_mask & MLX5_IB_MODIFY_QP_OOO_DP) {
+ if (!get_dp_ooo_cap(dev->mdev, qp->type))
+ return -EOPNOTSUPP;
+ qp->is_ooo_rq = 1;
+ }
}
if (qp->type == IB_QPT_GSI)
@@ -5041,7 +5076,7 @@ static int mlx5_ib_dct_query_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *mqp,
}
if (qp_attr_mask & IB_QP_PORT)
- qp_attr->port_num = MLX5_GET(dctc, dctc, port);
+ qp_attr->port_num = mqp->port;
if (qp_attr_mask & IB_QP_MIN_RNR_TIMER)
qp_attr->min_rnr_timer = MLX5_GET(dctc, dctc, min_rnr_nak);
if (qp_attr_mask & IB_QP_AV) {