From: Ilan Tayari <ilant@xxxxxxxxxxxx>
The FPGA queue pair (QP) event fires whenever a QP on the FPGA
transitions to the error state.
At this stage, this event is unrecoverable, it may become recoverable
in the future.
Signed-off-by: Ilan Tayari <ilant@xxxxxxxxxxxx>
Signed-off-by: Adi Nissim <adin@xxxxxxxxxxxx>
Signed-off-by: Saeed Mahameed <saeedm@xxxxxxxxxxxx>
---
drivers/net/ethernet/mellanox/mlx5/core/eq.c | 7 +++++--
include/linux/mlx5/device.h | 1 +
include/linux/mlx5/mlx5_ifc.h | 1 +
include/linux/mlx5/mlx5_ifc_fpga.h | 16 ++++++++++++++++
4 files changed, 23 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eq.c b/drivers/net/ethernet/mellanox/mlx5/core/eq.c
index 4bd4f011f0a9..77c685645c66 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eq.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eq.c
@@ -161,6 +161,8 @@ static const char *eqe_type_str(u8 type)
return "MLX5_EVENT_TYPE_NIC_VPORT_CHANGE";
case MLX5_EVENT_TYPE_FPGA_ERROR:
return "MLX5_EVENT_TYPE_FPGA_ERROR";
+ case MLX5_EVENT_TYPE_FPGA_QP_ERROR:
+ return "MLX5_EVENT_TYPE_FPGA_QP_ERROR";
case MLX5_EVENT_TYPE_GENERAL_EVENT:
return "MLX5_EVENT_TYPE_GENERAL_EVENT";
default:
@@ -560,6 +562,7 @@ static irqreturn_t mlx5_eq_int(int irq, void *eq_ptr)
break;
case MLX5_EVENT_TYPE_FPGA_ERROR:
+ case MLX5_EVENT_TYPE_FPGA_QP_ERROR:
mlx5_fpga_event(dev, eqe->type, &eqe->data.raw);
break;
@@ -839,11 +842,11 @@ int mlx5_start_eqs(struct mlx5_core_dev *dev)
async_event_mask |= (1ull << MLX5_EVENT_TYPE_PPS_EVENT);
if (MLX5_CAP_GEN(dev, fpga))
- async_event_mask |= (1ull << MLX5_EVENT_TYPE_FPGA_ERROR);
+ async_event_mask |= (1ull << MLX5_EVENT_TYPE_FPGA_ERROR) |
+ (1ull << MLX5_EVENT_TYPE_FPGA_QP_ERROR);
if (MLX5_CAP_GEN_MAX(dev, dct))
async_event_mask |= (1ull << MLX5_EVENT_TYPE_DCT_DRAINED);
-
if (MLX5_CAP_GEN(dev, temp_warn_event))
async_event_mask |= (1ull << MLX5_EVENT_TYPE_TEMP_WARN_EVENT);
diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h
index eddacee5cf61..71e1dc2523a6 100644
--- a/include/linux/mlx5/device.h
+++ b/include/linux/mlx5/device.h
@@ -331,6 +331,7 @@ enum mlx5_event {
MLX5_EVENT_TYPE_DCT_DRAINED = 0x1c,
MLX5_EVENT_TYPE_FPGA_ERROR = 0x20,
+ MLX5_EVENT_TYPE_FPGA_QP_ERROR = 0x21,
};
enum {
diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index ba30c26aa6eb..3e8845dc85fe 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -60,6 +60,7 @@ enum {
MLX5_EVENT_TYPE_CODING_COMMAND_INTERFACE_COMPLETION = 0xa,
MLX5_EVENT_TYPE_CODING_PAGE_REQUEST = 0xb,
MLX5_EVENT_TYPE_CODING_FPGA_ERROR = 0x20,
+ MLX5_EVENT_TYPE_CODING_FPGA_QP_ERROR = 0x21
};
enum {
diff --git a/include/linux/mlx5/mlx5_ifc_fpga.h b/include/linux/mlx5/mlx5_ifc_fpga.h
index ec052491ba3d..7ddca31fa05d 100644
--- a/include/linux/mlx5/mlx5_ifc_fpga.h
+++ b/include/linux/mlx5/mlx5_ifc_fpga.h
@@ -432,6 +432,22 @@ struct mlx5_ifc_ipsec_counters_bits {
u8 dropped_cmd[0x40];
};
+enum {
+ MLX5_FPGA_QP_ERROR_EVENT_SYNDROME_RETRY_COUNTER_EXPIRED = 0x1,
+ MLX5_FPGA_QP_ERROR_EVENT_SYNDROME_RNR_EXPIRED = 0x2,
+};
+
+struct mlx5_ifc_fpga_qp_error_event_bits {
+ u8 reserved_at_0[0x40];
+
+ u8 reserved_at_40[0x18];
+ u8 syndrome[0x8];
+
+ u8 reserved_at_60[0x60];
+
+ u8 reserved_at_c0[0x8];
+ u8 fpga_qpn[0x18];
+};
enum mlx5_ifc_fpga_ipsec_response_syndrome {
MLX5_FPGA_IPSEC_RESPONSE_SUCCESS = 0,
MLX5_FPGA_IPSEC_RESPONSE_ILLEGAL_REQUEST = 1,
--
2.17.0
--
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