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Avihai Horon 8bbcb64a71 vfio/migration: Make VFIO migration non-experimental 
The major parts of VFIO migration are supported today in QEMU. This
includes basic VFIO migration, device dirty page tracking and precopy
support.

Thus, at this point in time, it seems appropriate to make VFIO migration
non-experimental: remove the x prefix from enable_migration property,
change it to ON_OFF_AUTO and let the default value be AUTO.

In addition, make the following adjustments:
1. When enable_migration is ON and migration is not supported, fail VFIO
   device realization.
2. When enable_migration is AUTO (i.e., not explicitly enabled), require
   device dirty tracking support. This is because device dirty tracking
   is currently the only method to do dirty page tracking, which is
   essential for migrating in a reasonable downtime. Setting
   enable_migration to ON will not require device dirty tracking.
3. Make migration error and blocker messages more elaborate.
4. Remove error prints in vfio_migration_query_flags().
5. Rename trace_vfio_migration_probe() to
   trace_vfio_migration_realize().

Signed-off-by: Avihai Horon <avihaih@nvidia.com>
Reviewed-by: Joao Martins <joao.m.martins@oracle.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
2023-06-30 06:02:51 +02:00
..
acpi tpm: Extend common APIs to support TPM TIS I2C 2023-04-20 08:17:15 -04:00
adc hw/arm/npcm7xx: Declare QOM macros using OBJECT_DECLARE_SIMPLE_TYPE() 2023-01-12 17:15:09 +00:00
arm hw/misc/bcm2835_property: Handle CORE_CLK_ID firmware property 2023-06-19 15:27:21 +01:00
audio introduce -audio as a replacement for -soundhw 2022-05-14 12:33:44 +02:00
block hw/block: replace TABs with space 2023-03-24 11:45:46 +01:00
char escc: emulate dip switch language layout settings on SUN keyboard 2023-06-28 10:54:25 +01:00
core accel: Rename HVF 'struct hvf_vcpu_state' -> AccelCPUState 2023-06-28 14:14:22 +02:00
cpu
cris include: Include headers where needed 2023-01-08 01:54:22 -05:00
cxl hw/cxl/events: Add injection of Memory Module Events 2023-06-23 02:54:40 -04:00
display include: Include headers where needed 2023-01-08 01:54:22 -05:00
dma include: Include headers where needed 2023-01-08 01:54:22 -05:00
firmware hw/smbios: add core_count2 to smbios table type 4 2022-11-07 14:08:17 -05:00
gpio hw/gpio: replace HWADDR_PRIx with PRIx64 2022-05-25 10:31:33 +02:00
hyperv hw/hyperv/vmbus: Remove unused vmbus_load/save_req() 2022-05-30 19:49:42 +02:00
i2c qtest: Add functions for accessing devices on Aspeed I2C controller 2023-04-20 08:17:15 -04:00
i386 hw/i386/pc: Default to use SMBIOS 3.0 for newer machine models 2023-06-26 09:50:00 -04:00
ide hw/ide: replace TABs with space 2023-03-24 11:45:33 +01:00
input hw/input: Clean up includes 2023-02-08 07:16:23 +01:00
intc hw/intc/arm_gic: Un-inline GIC*/ITS class_name() helpers 2023-06-28 14:27:59 +02:00
ipack
ipmi
isa hw/audio/via-ac97: Basic implementation of audio playback 2023-03-08 00:37:48 +01:00
kvm
loongarch hw/loongarch/virt: Set max 256 cpus support on loongarch virt machine 2023-05-15 19:09:33 +08:00
m68k q800: move macfb device to Q800MachineState 2023-06-22 09:30:11 +02:00
mem acpi/nvdimm: Define trace events for NVDIMM and substitute nvdimm_debug() 2022-07-26 10:37:46 -04:00
mips hw/mips/bootloader: Handle buffers as opaque arrays 2023-01-13 09:32:32 +01:00
misc hw/arm/raspi: Import Linux raspi definitions as 'raspberrypi-fw-defs.h' 2023-06-19 15:27:21 +01:00
net hw/net/dp8393x.c: move TYPE_DP8393X and dp8393xState into dp8393x.h 2023-06-22 09:25:40 +02:00
nubus Clean up header guards that don't match their file name 2022-05-11 16:49:06 +02:00
nvram Revert "x86: return modified setup_data only if read as memory, not as file" 2023-03-02 03:10:46 -05:00
openrisc hw/openrisc: Split re-usable boot time apis out to boot.c 2022-09-04 07:02:56 +01:00
pci hw/pci: Disable PCI_ERR_UNCOR_MASK register for machine type < 8.0 2023-05-19 10:30:46 -04:00
pci-bridge pci/pci_expander_bridge: For CXL HB delay the HB register memory region setup. 2022-06-09 19:32:49 -04:00
pci-host hw/pci-host/pam: Make init_pam() usage more readable 2023-05-19 10:30:46 -04:00
ppc pnv/xive2: Add a get_config() method on the presenter class 2023-06-25 22:41:30 +02:00
rdma
remote include/hw/pci: Split pci_device.h off pci.h 2023-01-08 01:54:22 -05:00
riscv hw/riscv/opentitan: Correct OpenTitanState parent type/size 2023-06-13 17:19:42 +10:00
rtc hw/rtc: Rename rtc_[get|set]_memory -> mc146818rtc_[get|set]_cmos_data 2023-02-27 22:29:02 +01:00
rx Clean up header guards that don't match their file name 2022-05-11 16:49:06 +02:00
s390x s390x/pv: Fix spurious warning with asynchronous teardown 2023-05-16 09:14:18 +02:00
scsi virtio-scsi: implement BlockDevOps->drained_begin() 2023-05-30 17:32:02 +02:00
sd hw: sd: allwinner-sdhost: Add sun50i-a64 SoC support 2023-06-06 10:19:33 +01:00
sensor hw/sensor: Add IC_DEVICE_ID to ISL voltage regulators 2022-07-14 16:24:38 +02:00
sh4
southbridge hw/isa/piix3: Resolve redundant TYPE_PIIX3_XEN_DEVICE 2023-06-07 15:07:10 +01:00
sparc
ssi Do not include hw/hw.h if it is not necessary 2023-02-27 09:15:38 +01:00
timer hw: Replace isa_get_irq() by isa_bus_get_irq() when ISABus is available 2023-02-27 22:29:02 +01:00
tricore Do not include hw/hw.h if it is not necessary 2023-02-27 09:15:38 +01:00
usb include: Include headers where needed 2023-01-08 01:54:22 -05:00
vfio vfio/migration: Make VFIO migration non-experimental 2023-06-30 06:02:51 +02:00
virtio virtio-gpu/win32: allocate shareable 2d resources/images 2023-06-27 17:08:56 +02:00
watchdog hw/watchdog: Allwinner WDT emulation for system reset 2023-04-20 10:21:13 +01:00
xen hw/arm: introduce xenpvh machine 2023-06-15 16:46:47 -07:00
xtensa
boards.h numa: Validate cluster and NUMA node boundary if required 2023-06-26 10:23:01 +02:00
clock.h
elf_ops.h replace TABs with spaces 2023-03-20 12:43:50 +01:00
fw-path-provider.h
hotplug.h pci: fix 'hotplugglable' property behavior 2023-03-07 12:38:59 -05:00
hw.h
ide.h hw/ide: Declare ide_get_[geometry/bios_chs_trans] in 'hw/ide/internal.h' 2023-02-27 22:29:02 +01:00
irq.h
loader-fit.h
loader.h hw: arm: Support direct boot for Linux/arm64 EFI zboot images 2023-03-06 14:08:12 +00:00
nmi.h
or-irq.h hw: Replace qemu_or_irq typedef by OrIRQState 2023-02-27 13:27:05 +00:00
pcmcia.h replace TABs with spaces 2023-03-20 12:43:50 +01:00
platform-bus.h
ptimer.h ptimer: Rename PTIMER_POLICY_DEFAULT to PTIMER_POLICY_LEGACY 2022-05-19 16:19:03 +01:00
qdev-clock.h
qdev-core.h hw/qdev: introduce qdev_is_realized() helper 2023-05-30 17:32:02 +02:00
qdev-dma.h
qdev-properties-system.h
qdev-properties.h qdev-properties: Add a new macro with bitmask check for uint64_t property 2022-05-14 12:32:41 +02:00
register.h
registerfields.h hw/registerfields: Add shared fields macros 2022-06-22 09:49:34 +02:00
resettable.h
stream.h
sysbus.h
usb.h hw/usb: fix tab indentation 2022-11-08 11:13:48 +01:00
vmstate-if.h