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vfio/migration: Rename entry points 

Pick names that align with the section drivers should use them from,
avoiding the confusion of calling a _finalize() function from _exit()
and generalizing the actual _finalize() to handle removing the viommu
blocker.

Reviewed-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Joao Martins <joao.m.martins@oracle.com>
Link: https://lore.kernel.org/r/167820912978.606734.12740287349119694623.stgit@omen
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
master
Alex Williamson 2023-03-07 09:53:46 -07:00
parent 333f988d19
commit 8249cffc62
4 changed files with 11 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
hw/vfio/common.c
View File

@ -447,7 +447,7 @@ int vfio_block_giommu_migration(Error **errp)
return ret;
}
void vfio_unblock_giommu_migration(void)
void vfio_migration_finalize(void)
{
if (!giommu_migration_blocker ||
vfio_viommu_preset()) {

8
hw/vfio/migration.c
View File

@ -521,7 +521,7 @@ static void vfio_migration_state_notifier(Notifier *notifier, void *data)
}
}
static void vfio_migration_exit(VFIODevice *vbasedev)
static void vfio_migration_free(VFIODevice *vbasedev)
{
g_free(vbasedev->migration);
vbasedev->migration = NULL;
@ -631,7 +631,7 @@ int64_t vfio_mig_bytes_transferred(void)
return bytes_transferred;
}
int vfio_migration_probe(VFIODevice *vbasedev, Error **errp)
int vfio_migration_realize(VFIODevice *vbasedev, Error **errp)
{
int ret = -ENOTSUP;
@ -669,7 +669,7 @@ add_blocker:
return ret;
}
void vfio_migration_finalize(VFIODevice *vbasedev)
void vfio_migration_exit(VFIODevice *vbasedev)
{
if (vbasedev->migration) {
VFIOMigration *migration = vbasedev->migration;
@ -677,7 +677,7 @@ void vfio_migration_finalize(VFIODevice *vbasedev)
remove_migration_state_change_notifier(&migration->migration_state);
qemu_del_vm_change_state_handler(migration->vm_state);
unregister_savevm(VMSTATE_IF(vbasedev->dev), "vfio", vbasedev);
vfio_migration_exit(vbasedev);
vfio_migration_free(vbasedev);
vfio_unblock_multiple_devices_migration();
}

6
hw/vfio/pci.c
View File

@ -3145,7 +3145,7 @@ static void vfio_realize(PCIDevice *pdev, Error **errp)
}
if (!pdev->failover_pair_id) {
ret = vfio_migration_probe(vbasedev, errp);
ret = vfio_migration_realize(vbasedev, errp);
if (ret) {
error_report("%s: Migration disabled", vbasedev->name);
}
@ -3185,7 +3185,7 @@ static void vfio_instance_finalize(Object *obj)
*/
vfio_put_device(vdev);
vfio_put_group(group);
vfio_unblock_giommu_migration();
vfio_migration_finalize();
}
static void vfio_exitfn(PCIDevice *pdev)
@ -3204,7 +3204,7 @@ static void vfio_exitfn(PCIDevice *pdev)
}
vfio_teardown_msi(vdev);
vfio_bars_exit(vdev);
vfio_migration_finalize(&vdev->vbasedev);
vfio_migration_exit(&vdev->vbasedev);
}
static void vfio_pci_reset(DeviceState *dev)

6
include/hw/vfio/vfio-common.h
View File

@ -223,7 +223,6 @@ bool vfio_mig_active(void);
int vfio_block_multiple_devices_migration(Error **errp);
void vfio_unblock_multiple_devices_migration(void);
int vfio_block_giommu_migration(Error **errp);
void vfio_unblock_giommu_migration(void);
int64_t vfio_mig_bytes_transferred(void);
#ifdef CONFIG_LINUX
@ -247,7 +246,8 @@ int vfio_spapr_create_window(VFIOContainer *container,
int vfio_spapr_remove_window(VFIOContainer *container,
hwaddr offset_within_address_space);
int vfio_migration_probe(VFIODevice *vbasedev, Error **errp);
void vfio_migration_finalize(VFIODevice *vbasedev);
int vfio_migration_realize(VFIODevice *vbasedev, Error **errp);
void vfio_migration_exit(VFIODevice *vbasedev);
void vfio_migration_finalize(void);
#endif /* HW_VFIO_VFIO_COMMON_H */