diff options
Diffstat (limited to 'drivers/vfio/pci/mlx5/cmd.h')
| -rw-r--r-- | drivers/vfio/pci/mlx5/cmd.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/vfio/pci/mlx5/cmd.h b/drivers/vfio/pci/mlx5/cmd.h index ac5dca5fe6b1..6d8d52804c83 100644 --- a/drivers/vfio/pci/mlx5/cmd.h +++ b/drivers/vfio/pci/mlx5/cmd.h @@ -64,6 +64,7 @@ struct mlx5_vhca_data_buffer { u32 mkey; enum dma_data_direction dma_dir; u8 dmaed:1; + u8 stop_copy_chunk_num; struct list_head buf_elm; struct mlx5_vf_migration_file *migf; /* Optimize mlx5vf_get_migration_page() for sequential access */ @@ -82,6 +83,8 @@ struct mlx5vf_async_data { void *out; }; +#define MAX_NUM_CHUNKS 2 + struct mlx5_vf_migration_file { struct file *filp; struct mutex lock; @@ -94,8 +97,9 @@ struct mlx5_vf_migration_file { 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; + /* Upon chunk mode preserve another set of buffers for stop_copy phase */ + struct mlx5_vhca_data_buffer *buf[MAX_NUM_CHUNKS]; + struct mlx5_vhca_data_buffer *buf_header[MAX_NUM_CHUNKS]; spinlock_t list_lock; struct list_head buf_list; struct list_head avail_list; |