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| author | Dragos Tatulea <dtatulea@nvidia.com> | 2024-08-16 12:01:52 +0300 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2024-09-25 07:07:42 -0400 |
| commit | d89d58f4888cde693e7707e13623eb50bb6435c2 (patch) | |
| tree | 379a8ffa9e93d315f39c9c63a01e534889b0ffdb /drivers/vdpa/mlx5/core/mlx5_vdpa.h | |
| parent | de2cd39fc11b2f55b7f40f2a3036ca27327e4461 (diff) | |
| download | lwn-d89d58f4888cde693e7707e13623eb50bb6435c2.tar.gz lwn-d89d58f4888cde693e7707e13623eb50bb6435c2.zip | |
vdpa/mlx5: Introduce async fw command wrapper
Introduce a new function mlx5_vdpa_exec_async_cmds() which
wraps the mlx5_core async firmware command API in a way
that will be used to parallelize certain operation in this
driver.
The wrapper deals with the case when mlx5_cmd_exec_cb() returns
EBUSY due to the command being throttled.
Signed-off-by: Dragos Tatulea <dtatulea@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Message-Id: <20240816090159.1967650-4-dtatulea@nvidia.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Eugenio Pérez <eperezma@redhat.com>
Tested-by: Lei Yang <leiyang@redhat.com>
Diffstat (limited to 'drivers/vdpa/mlx5/core/mlx5_vdpa.h')
| -rw-r--r-- | drivers/vdpa/mlx5/core/mlx5_vdpa.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/vdpa/mlx5/core/mlx5_vdpa.h b/drivers/vdpa/mlx5/core/mlx5_vdpa.h index 424d445ebee4..b34e9b93d56e 100644 --- a/drivers/vdpa/mlx5/core/mlx5_vdpa.h +++ b/drivers/vdpa/mlx5/core/mlx5_vdpa.h @@ -105,6 +105,18 @@ struct mlx5_vdpa_dev { bool suspended; }; +struct mlx5_vdpa_async_cmd { + int err; + struct mlx5_async_work cb_work; + struct completion cmd_done; + + void *in; + size_t inlen; + + void *out; + size_t outlen; +}; + int mlx5_vdpa_create_tis(struct mlx5_vdpa_dev *mvdev, void *in, u32 *tisn); void mlx5_vdpa_destroy_tis(struct mlx5_vdpa_dev *mvdev, u32 tisn); int mlx5_vdpa_create_rqt(struct mlx5_vdpa_dev *mvdev, void *in, int inlen, u32 *rqtn); @@ -134,6 +146,9 @@ int mlx5_vdpa_update_cvq_iotlb(struct mlx5_vdpa_dev *mvdev, unsigned int asid); int mlx5_vdpa_create_dma_mr(struct mlx5_vdpa_dev *mvdev); int mlx5_vdpa_reset_mr(struct mlx5_vdpa_dev *mvdev, unsigned int asid); +int mlx5_vdpa_exec_async_cmds(struct mlx5_vdpa_dev *mvdev, + struct mlx5_vdpa_async_cmd *cmds, + int num_cmds); #define mlx5_vdpa_err(__dev, format, ...) \ dev_err((__dev)->mdev->device, "%s:%d:(pid %d) error: " format, __func__, __LINE__, \ |