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VFIO updates 2023-02-16

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* Initial v2 migration support for vfio (Avihai Horon)
 
  * Add Cédric as vfio reviewer (Cédric Le Goater)
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Merge tag 'vfio-updates-20230216.0' of https://gitlab.com/alex.williamson/qemu into staging

VFIO updates 2023-02-16

 * Initial v2 migration support for vfio (Avihai Horon)

 * Add Cédric as vfio reviewer (Cédric Le Goater)

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# gpg: Signature made Thu 16 Feb 2023 21:03:17 GMT
# gpg:                using RSA key 42F6C04E540BD1A99E7B8A90239B9B6E3BB08B22
# gpg:                issuer "alex.williamson@redhat.com"
# gpg: Good signature from "Alex Williamson <alex.williamson@redhat.com>" [full]
# gpg:                 aka "Alex Williamson <alex@shazbot.org>" [full]
# gpg:                 aka "Alex Williamson <alwillia@redhat.com>" [full]
# gpg:                 aka "Alex Williamson <alex.l.williamson@gmail.com>" [full]
# Primary key fingerprint: 42F6 C04E 540B D1A9 9E7B  8A90 239B 9B6E 3BB0 8B22

* tag 'vfio-updates-20230216.0' of https://gitlab.com/alex.williamson/qemu:
  MAINTAINERS: Add myself as VFIO reviewer
  docs/devel: Align VFIO migration docs to v2 protocol
  vfio: Alphabetize migration section of VFIO trace-events file
  vfio/migration: Remove VFIO migration protocol v1
  vfio/migration: Implement VFIO migration protocol v2
  vfio/migration: Rename functions/structs related to v1 protocol
  vfio/migration: Move migration v1 logic to vfio_migration_init()
  vfio/migration: Block multiple devices migration
  vfio/common: Change vfio_devices_all_running_and_saving() logic to equivalent one
  vfio/migration: Allow migration without VFIO IOMMU dirty tracking support
  vfio/migration: Fix NULL pointer dereference bug
  linux-headers: Update to v6.2-rc8

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2023-02-20 17:08:05 +00:00
commit 9b0699ab80
19 changed files with 625 additions and 609 deletions
Download patch file Download diff file Expand all files Collapse all files

10
include/hw/vfio/vfio-common.h
View file

@ -61,11 +61,11 @@ typedef struct VFIORegion {
typedef struct VFIOMigration {
struct VFIODevice *vbasedev;
VMChangeStateEntry *vm_state;
VFIORegion region;
uint32_t device_state;
int vm_running;
Notifier migration_state;
uint64_t pending_bytes;
uint32_t device_state;
int data_fd;
void *data_buffer;
size_t data_buffer_size;
} VFIOMigration;
typedef struct VFIOAddressSpace {
@ -218,6 +218,8 @@ typedef QLIST_HEAD(VFIOGroupList, VFIOGroup) VFIOGroupList;
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);
int64_t vfio_mig_bytes_transferred(void);
#ifdef CONFIG_LINUX