diff options
Diffstat (limited to 'drivers/vfio/pci/mlx5/cmd.h')
| -rw-r--r-- | drivers/vfio/pci/mlx5/cmd.h | 28 |
1 files changed, 25 insertions, 3 deletions
diff --git a/drivers/vfio/pci/mlx5/cmd.h b/drivers/vfio/pci/mlx5/cmd.h index 5483171d57ad..aec4c69dd6c1 100644 --- a/drivers/vfio/pci/mlx5/cmd.h +++ b/drivers/vfio/pci/mlx5/cmd.h @@ -9,6 +9,7 @@ #include <linux/kernel.h> #include <linux/vfio_pci_core.h> #include <linux/mlx5/driver.h> +#include <linux/mlx5/vport.h> #include <linux/mlx5/cq.h> #include <linux/mlx5/qp.h> @@ -26,15 +27,33 @@ enum mlx5_vf_migf_state { enum mlx5_vf_load_state { MLX5_VF_LOAD_STATE_READ_IMAGE_NO_HEADER, MLX5_VF_LOAD_STATE_READ_HEADER, + MLX5_VF_LOAD_STATE_PREP_HEADER_DATA, + MLX5_VF_LOAD_STATE_READ_HEADER_DATA, MLX5_VF_LOAD_STATE_PREP_IMAGE, MLX5_VF_LOAD_STATE_READ_IMAGE, MLX5_VF_LOAD_STATE_LOAD_IMAGE, }; +struct mlx5_vf_migration_tag_stop_copy_data { + __le64 stop_copy_size; +}; + +enum mlx5_vf_migf_header_flags { + MLX5_MIGF_HEADER_FLAGS_TAG_MANDATORY = 0, + MLX5_MIGF_HEADER_FLAGS_TAG_OPTIONAL = 1 << 0, +}; + +enum mlx5_vf_migf_header_tag { + MLX5_MIGF_HEADER_TAG_FW_DATA = 0, + MLX5_MIGF_HEADER_TAG_STOP_COPY_SIZE = 1 << 0, +}; + struct mlx5_vf_migration_header { - __le64 image_size; + __le64 record_size; /* For future use in case we may need to change the kernel protocol */ - __le64 flags; + __le32 flags; /* Use mlx5_vf_migf_header_flags */ + __le32 tag; /* Use mlx5_vf_migf_header_tag */ + __u8 data[]; /* Its size is given in the record_size */ }; struct mlx5_vhca_data_buffer { @@ -42,7 +61,6 @@ struct mlx5_vhca_data_buffer { loff_t start_pos; u64 length; u64 allocated_length; - u64 header_image_size; u32 mkey; enum dma_data_direction dma_dir; u8 dmaed:1; @@ -72,6 +90,10 @@ struct mlx5_vf_migration_file { enum mlx5_vf_load_state load_state; u32 pdn; loff_t max_pos; + u64 record_size; + u32 record_tag; + u64 stop_copy_prep_size; + u64 pre_copy_initial_bytes; struct mlx5_vhca_data_buffer *buf; struct mlx5_vhca_data_buffer *buf_header; spinlock_t list_lock; |