diff options
Diffstat (limited to 'drivers/vfio/pci/mlx5/cmd.h')
| -rw-r--r-- | drivers/vfio/pci/mlx5/cmd.h | 37 |
1 files changed, 26 insertions, 11 deletions
diff --git a/drivers/vfio/pci/mlx5/cmd.h b/drivers/vfio/pci/mlx5/cmd.h index ba760f956d53..b0f08dfc8120 100644 --- a/drivers/vfio/pci/mlx5/cmd.h +++ b/drivers/vfio/pci/mlx5/cmd.h @@ -12,11 +12,25 @@ #include <linux/mlx5/cq.h> #include <linux/mlx5/qp.h> +struct mlx5_vhca_data_buffer { + struct sg_append_table table; + loff_t start_pos; + u64 length; + u64 allocated_length; + u32 mkey; + enum dma_data_direction dma_dir; + u8 dmaed:1; + struct mlx5_vf_migration_file *migf; + /* Optimize mlx5vf_get_migration_page() for sequential access */ + struct scatterlist *last_offset_sg; + unsigned int sg_last_entry; + unsigned long last_offset; +}; + struct mlx5vf_async_data { struct mlx5_async_work cb_work; struct work_struct work; int status; - u32 mkey; void *out; }; @@ -27,14 +41,7 @@ struct mlx5_vf_migration_file { u8 is_err:1; u32 pdn; - struct sg_append_table table; - size_t total_length; - size_t allocated_length; - - /* Optimize mlx5vf_get_migration_page() for sequential access */ - struct scatterlist *last_offset_sg; - unsigned int sg_last_entry; - unsigned long last_offset; + struct mlx5_vhca_data_buffer *buf; struct mlx5vf_pci_core_device *mvdev; wait_queue_head_t poll_wait; struct completion save_comp; @@ -124,12 +131,20 @@ void mlx5vf_cmd_set_migratable(struct mlx5vf_pci_core_device *mvdev, void mlx5vf_cmd_remove_migratable(struct mlx5vf_pci_core_device *mvdev); void mlx5vf_cmd_close_migratable(struct mlx5vf_pci_core_device *mvdev); int mlx5vf_cmd_save_vhca_state(struct mlx5vf_pci_core_device *mvdev, - struct mlx5_vf_migration_file *migf); + struct mlx5_vf_migration_file *migf, + struct mlx5_vhca_data_buffer *buf); int mlx5vf_cmd_load_vhca_state(struct mlx5vf_pci_core_device *mvdev, - struct mlx5_vf_migration_file *migf); + struct mlx5_vf_migration_file *migf, + struct mlx5_vhca_data_buffer *buf); int mlx5vf_cmd_alloc_pd(struct mlx5_vf_migration_file *migf); void mlx5vf_cmd_dealloc_pd(struct mlx5_vf_migration_file *migf); void mlx5fv_cmd_clean_migf_resources(struct mlx5_vf_migration_file *migf); +struct mlx5_vhca_data_buffer * +mlx5vf_alloc_data_buffer(struct mlx5_vf_migration_file *migf, + size_t length, enum dma_data_direction dma_dir); +void mlx5vf_free_data_buffer(struct mlx5_vhca_data_buffer *buf); +int mlx5vf_add_migration_pages(struct mlx5_vhca_data_buffer *buf, + unsigned int npages); void mlx5vf_state_mutex_unlock(struct mlx5vf_pci_core_device *mvdev); void mlx5vf_disable_fds(struct mlx5vf_pci_core_device *mvdev); void mlx5vf_mig_file_cleanup_cb(struct work_struct *_work); |