diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/fpga/core.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/fpga/core.c | 63 |
1 files changed, 55 insertions, 8 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fpga/core.c b/drivers/net/ethernet/mellanox/mlx5/core/fpga/core.c index dc8970346521d..436a8136f26ff 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fpga/core.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fpga/core.c @@ -50,6 +50,11 @@ static const char *const mlx5_fpga_error_strings[] = { "Temperature Critical", }; +static const char * const mlx5_fpga_qp_error_strings[] = { + "Null Syndrome", + "Retry Counter Expired", + "RNR Expired", +}; static struct mlx5_fpga_device *mlx5_fpga_device_alloc(void) { struct mlx5_fpga_device *fdev = NULL; @@ -75,6 +80,21 @@ static const char *mlx5_fpga_image_name(enum mlx5_fpga_image image) } } +static const char *mlx5_fpga_device_name(u32 device) +{ + switch (device) { + case MLX5_FPGA_DEVICE_KU040: + return "ku040"; + case MLX5_FPGA_DEVICE_KU060: + return "ku060"; + case MLX5_FPGA_DEVICE_KU060_2: + return "ku060_2"; + case MLX5_FPGA_DEVICE_UNKNOWN: + default: + return "unknown"; + } +} + static int mlx5_fpga_device_load_check(struct mlx5_fpga_device *fdev) { struct mlx5_fpga_query query; @@ -128,8 +148,9 @@ static int mlx5_fpga_device_brb(struct mlx5_fpga_device *fdev) int mlx5_fpga_device_start(struct mlx5_core_dev *mdev) { struct mlx5_fpga_device *fdev = mdev->fpga; - unsigned long flags; unsigned int max_num_qps; + unsigned long flags; + u32 fpga_device_id; int err; if (!fdev) @@ -143,12 +164,23 @@ int mlx5_fpga_device_start(struct mlx5_core_dev *mdev) if (err) goto out; - mlx5_fpga_info(fdev, "device %u; %s image, version %u\n", - MLX5_CAP_FPGA(fdev->mdev, fpga_device), + fpga_device_id = MLX5_CAP_FPGA(fdev->mdev, fpga_device); + mlx5_fpga_info(fdev, "%s:%u; %s image, version %u; SBU %06x:%04x version %d\n", + mlx5_fpga_device_name(fpga_device_id), + fpga_device_id, mlx5_fpga_image_name(fdev->last_oper_image), - MLX5_CAP_FPGA(fdev->mdev, image_version)); + MLX5_CAP_FPGA(fdev->mdev, image_version), + MLX5_CAP_FPGA(fdev->mdev, ieee_vendor_id), + MLX5_CAP_FPGA(fdev->mdev, sandbox_product_id), + MLX5_CAP_FPGA(fdev->mdev, sandbox_product_version)); max_num_qps = MLX5_CAP_FPGA(mdev, shell_caps.max_num_qps); + if (!max_num_qps) { + mlx5_fpga_err(fdev, "FPGA reports 0 QPs in SHELL_CAPS\n"); + err = -ENOTSUPP; + goto out; + } + err = mlx5_core_reserve_gids(mdev, max_num_qps); if (err) goto out; @@ -244,23 +276,38 @@ static const char *mlx5_fpga_syndrome_to_string(u8 syndrome) return "Unknown"; } +static const char *mlx5_fpga_qp_syndrome_to_string(u8 syndrome) +{ + if (syndrome < ARRAY_SIZE(mlx5_fpga_qp_error_strings)) + return mlx5_fpga_qp_error_strings[syndrome]; + return "Unknown"; +} + void mlx5_fpga_event(struct mlx5_core_dev *mdev, u8 event, void *data) { struct mlx5_fpga_device *fdev = mdev->fpga; const char *event_name; bool teardown = false; unsigned long flags; + u32 fpga_qpn; u8 syndrome; - if (event != MLX5_EVENT_TYPE_FPGA_ERROR) { + switch (event) { + case MLX5_EVENT_TYPE_FPGA_ERROR: + syndrome = MLX5_GET(fpga_error_event, data, syndrome); + event_name = mlx5_fpga_syndrome_to_string(syndrome); + break; + case MLX5_EVENT_TYPE_FPGA_QP_ERROR: + syndrome = MLX5_GET(fpga_qp_error_event, data, syndrome); + event_name = mlx5_fpga_qp_syndrome_to_string(syndrome); + fpga_qpn = MLX5_GET(fpga_qp_error_event, data, fpga_qpn); + break; + default: mlx5_fpga_warn_ratelimited(fdev, "Unexpected event %u\n", event); return; } - syndrome = MLX5_GET(fpga_error_event, data, syndrome); - event_name = mlx5_fpga_syndrome_to_string(syndrome); - spin_lock_irqsave(&fdev->state_lock, flags); switch (fdev->state) { case MLX5_FPGA_STATUS_SUCCESS: |