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authorJoao Martins <joao.m.martins@oracle.com>2023-03-07 12:54:48 +0000
committerAlex Williamson <alex.williamson@redhat.com>2023-03-07 10:21:22 -0700
commite46883204c384f992088f8c3ea713f7e1c2d5a6d (patch)
treee88ee1d09482d9107bdc21960013aa93fa04735d /include/hw/vfio/vfio-common.h
parentb153402a8941c2193e91ac50ed9720c7da6ee8db (diff)
downloadfocaccia-qemu-e46883204c384f992088f8c3ea713f7e1c2d5a6d.tar.gz
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vfio/migration: Block migration with vIOMMU
Migrating with vIOMMU will require either tracking maximum
IOMMU supported address space (e.g. 39/48 address width on Intel)
or range-track current mappings and dirty track the new ones
post starting dirty tracking. This will be done as a separate
series, so add a live migration blocker until that is fixed.

Signed-off-by: Joao Martins <joao.m.martins@oracle.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Link: https://lore.kernel.org/r/20230307125450.62409-14-joao.m.martins@oracle.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'include/hw/vfio/vfio-common.h')
-rw-r--r--include/hw/vfio/vfio-common.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/hw/vfio/vfio-common.h b/include/hw/vfio/vfio-common.h
index 9551d2d430..009bec34c4 100644
--- a/include/hw/vfio/vfio-common.h
+++ b/include/hw/vfio/vfio-common.h
@@ -222,6 +222,8 @@ extern VFIOGroupList vfio_group_list;
 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