motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-08 10:13:56 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

vfio: Add Error** argument to .set_dirty_page_tracking() handler

Browse source 
We will use the Error object to improve error reporting in the
.log_global*() handlers of VFIO. Add documentation while at it.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Avihai Horon <avihaih@nvidia.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
This commit is contained in:
Cédric Le Goater 2024-05-16 14:46:50 +02:00
parent 85ef20f167
commit 836bb30868
4 changed files with 23 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

18
include/hw/vfio/vfio-container-base.h
View file

@ -82,7 +82,7 @@ int vfio_container_add_section_window(VFIOContainerBase *bcontainer,
void vfio_container_del_section_window(VFIOContainerBase *bcontainer,
MemoryRegionSection *section);
int vfio_container_set_dirty_page_tracking(VFIOContainerBase *bcontainer,
bool start);
bool start, Error **errp);
int vfio_container_query_dirty_bitmap(const VFIOContainerBase *bcontainer,
VFIOBitmap *vbmap,
hwaddr iova, hwaddr size);
@ -121,9 +121,23 @@ struct VFIOIOMMUClass {
int (*attach_device)(const char *name, VFIODevice *vbasedev,
AddressSpace *as, Error **errp);
void (*detach_device)(VFIODevice *vbasedev);
/* migration feature */
/**
* @set_dirty_page_tracking
*
* Start or stop dirty pages tracking on VFIO container
*
* @bcontainer: #VFIOContainerBase on which to de/activate dirty
* page tracking
* @start: indicates whether to start or stop dirty pages tracking
* @errp: pointer to Error*, to store an error if it happens.
*
* Returns zero to indicate success and negative for error
*/
int (*set_dirty_page_tracking)(const VFIOContainerBase *bcontainer,
bool start);
bool start, Error **errp);
int (*query_dirty_bitmap)(const VFIOContainerBase *bcontainer,
VFIOBitmap *vbmap,
hwaddr iova, hwaddr size);