diff options
Diffstat (limited to 'lib/private.h')
-rw-r--r-- | lib/private.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/lib/private.h b/lib/private.h index c7c0627..f474e1f 100644 --- a/lib/private.h +++ b/lib/private.h @@ -37,6 +37,7 @@ #include "common.h" #include "pci_caps.h" +#include "vfio-user.h" /* * The main reason we limit the size of an individual DMA region from the client @@ -46,7 +47,14 @@ #define MAX_DMA_SIZE (8 * ONE_TB) #define MAX_DMA_REGIONS 16 -#define SERVER_MAX_MSG_SIZE 65536 +#define SERVER_MAX_DATA_XFER_SIZE (VFIO_USER_DEFAULT_MAX_DATA_XFER_SIZE) + +/* + * Enough to receive a VFIO_USER_REGION_WRITE of SERVER_MAX_DATA_XFER_SIZE. + */ +#define SERVER_MAX_MSG_SIZE (SERVER_MAX_DATA_XFER_SIZE + \ + sizeof(struct vfio_user_header) + \ + sizeof(struct vfio_user_region_access)) /* * Structure used to hold an in-flight request+reply. @@ -155,6 +163,7 @@ struct vfu_ctx { vfu_dma_unregister_cb_t *dma_unregister; int client_max_fds; + size_t client_max_data_xfer_size; struct migration *migration; |