From: Michael Guralnik <michaelgur@xxxxxxxxxxxx>
As page fault handling is initiated by FW, there is no need to check that
the ODP supports the operation and transport.
Signed-off-by: Michael Guralnik <michaelgur@xxxxxxxxxxxx>
Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxxxx>
---
drivers/infiniband/hw/mlx5/odp.c | 48 +-------------------------------
1 file changed, 1 insertion(+), 47 deletions(-)
diff --git a/drivers/infiniband/hw/mlx5/odp.c b/drivers/infiniband/hw/mlx5/odp.c
index 8b155a1f0b38..e7a4ea979209 100644
--- a/drivers/infiniband/hw/mlx5/odp.c
+++ b/drivers/infiniband/hw/mlx5/odp.c
@@ -986,17 +986,6 @@ static int pagefault_data_segments(struct mlx5_ib_dev *dev,
return ret < 0 ? ret : npages;
}
-static const u32 mlx5_ib_odp_opcode_cap[] = {
- [MLX5_OPCODE_SEND] = IB_ODP_SUPPORT_SEND,
- [MLX5_OPCODE_SEND_IMM] = IB_ODP_SUPPORT_SEND,
- [MLX5_OPCODE_SEND_INVAL] = IB_ODP_SUPPORT_SEND,
- [MLX5_OPCODE_RDMA_WRITE] = IB_ODP_SUPPORT_WRITE,
- [MLX5_OPCODE_RDMA_WRITE_IMM] = IB_ODP_SUPPORT_WRITE,
- [MLX5_OPCODE_RDMA_READ] = IB_ODP_SUPPORT_READ,
- [MLX5_OPCODE_ATOMIC_CS] = IB_ODP_SUPPORT_ATOMIC,
- [MLX5_OPCODE_ATOMIC_FA] = IB_ODP_SUPPORT_ATOMIC,
-};
-
/*
* Parse initiator WQE. Advances the wqe pointer to point at the
* scatter-gather list, and set wqe_end to the end of the WQE.
@@ -1007,7 +996,6 @@ static int mlx5_ib_mr_initiator_pfault_handler(
{
struct mlx5_wqe_ctrl_seg *ctrl = *wqe;
u16 wqe_index = pfault->wqe.wqe_index;
- u32 transport_caps;
struct mlx5_base_av *av;
unsigned ds, opcode;
u32 qpn = qp->trans_qp.base.mqp.qpn;
@@ -1031,29 +1019,8 @@ static int mlx5_ib_mr_initiator_pfault_handler(
opcode = be32_to_cpu(ctrl->opmod_idx_opcode) &
MLX5_WQE_CTRL_OPCODE_MASK;
- switch (qp->ibqp.qp_type) {
- case IB_QPT_XRC_INI:
+ if (qp->ibqp.qp_type == IB_QPT_XRC_INI)
*wqe += sizeof(struct mlx5_wqe_xrc_seg);
- transport_caps = dev->odp_caps.per_transport_caps.xrc_odp_caps;
- break;
- case IB_QPT_RC:
- transport_caps = dev->odp_caps.per_transport_caps.rc_odp_caps;
- break;
- case IB_QPT_UD:
- transport_caps = dev->odp_caps.per_transport_caps.ud_odp_caps;
- break;
- default:
- mlx5_ib_err(dev, "ODP fault on QP of an unsupported transport 0x%x\n",
- qp->ibqp.qp_type);
- return -EFAULT;
- }
-
- if (unlikely(opcode >= ARRAY_SIZE(mlx5_ib_odp_opcode_cap) ||
- !(transport_caps & mlx5_ib_odp_opcode_cap[opcode]))) {
- mlx5_ib_err(dev, "ODP fault on QP of an unsupported opcode 0x%x\n",
- opcode);
- return -EFAULT;
- }
if (qp->ibqp.qp_type == IB_QPT_UD) {
av = *wqe;
@@ -1118,19 +1085,6 @@ static int mlx5_ib_mr_responder_pfault_handler_rq(struct mlx5_ib_dev *dev,
return -EFAULT;
}
- switch (qp->ibqp.qp_type) {
- case IB_QPT_RC:
- if (!(dev->odp_caps.per_transport_caps.rc_odp_caps &
- IB_ODP_SUPPORT_RECV))
- goto invalid_transport_or_opcode;
- break;
- default:
-invalid_transport_or_opcode:
- mlx5_ib_err(dev, "ODP fault on QP of an unsupported transport. transport: 0x%x\n",
- qp->ibqp.qp_type);
- return -EFAULT;
- }
-
*wqe_end = wqe + wqe_size;
return 0;
--
2.20.1
