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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
..
9pfs meson: Replace softmmu_ss -> system_ss 2023-06-20 10:01:30 +02:00
acpi hw/acpi: Fix PM control register access 2023-06-26 09:49:24 -04:00
adc meson: Replace softmmu_ss -> system_ss 2023-06-20 10:01:30 +02:00
alpha hw/alpha: Use MachineClass->default_nic in the alpha machine 2023-05-26 09:10:49 +02:00
arm exec/memory: Add symbolic value for memory listener priority for accel 2023-06-28 14:27:59 +02:00
audio meson: Replace softmmu_ss -> system_ss 2023-06-20 10:01:30 +02:00
avr
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block vhost-user: fully use new backend/frontend naming 2023-06-26 09:50:00 -04:00
char escc: emulate dip switch language layout settings on SUN keyboard 2023-06-28 10:54:25 +01:00
core Block layer patches 2023-06-28 17:29:53 +02:00
cpu meson: Replace softmmu_ss -> system_ss 2023-06-20 10:01:30 +02:00
cris
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cxl hw/cxl/events: Add event interrupt support 2023-06-22 18:55:14 -04:00
display virtio-gpu-virgl: use D3D11_SHARE_TEXTURE when available 2023-06-27 17:08:56 +02:00
dma meson: Replace softmmu_ss -> system_ss 2023-06-20 10:01:30 +02:00
gpio meson: Replace softmmu_ss -> system_ss 2023-06-20 10:01:30 +02:00
hppa target/hppa: Provide qemu version via fw_cfg to firmware 2023-06-24 13:39:48 +02:00
hyperv win32: replace closesocket() with close() wrapper 2023-03-13 15:39:31 +04:00
i2c meson: Replace softmmu_ss -> system_ss 2023-06-20 10:01:30 +02:00
i386 exec/memory: Add symbolic value for memory listener priority for accel 2023-06-28 14:27:59 +02:00
ide meson: Replace softmmu_ss -> system_ss 2023-06-20 10:01:30 +02:00
input vhost-user: fully use new backend/frontend naming 2023-06-26 09:50:00 -04:00
intc hw/intc/arm_gic: Rename 'first_cpu' argument 2023-06-28 14:27:59 +02:00
ipack meson: Replace softmmu_ss -> system_ss 2023-06-20 10:01:30 +02:00
ipmi meson: Replace softmmu_ss -> system_ss 2023-06-20 10:01:30 +02:00
isa meson: Replace softmmu_ss -> system_ss 2023-06-20 10:01:30 +02:00
loongarch hw/loongarch: Supplement cpu topology arguments 2023-06-16 17:58:46 +08:00
m68k q800: move macfb device to Q800MachineState 2023-06-22 09:30:11 +02:00
mem hw/cxl/events: Add injection of Memory Module Events 2023-06-23 02:54:40 -04:00
microblaze hw/char/xilinx_uartlite: Open-code xilinx_uartlite_create() 2023-02-27 13:27:05 +00:00
mips hw/mips/malta: Fix the malta machine on big endian hosts 2023-06-05 20:48:34 +02:00
misc mac_via: fix rtc command decoding for the PRAM seconds registers 2023-06-22 09:31:18 +02:00
net net/vhost-net: do not assert on null pointer return from tap_get_vhost_net() 2023-06-28 07:53:14 -04:00
nios2 hw/nios2: set machine->fdt in nios2_load_dtb() 2022-10-17 16:15:10 -03:00
nubus meson: Replace softmmu_ss -> system_ss 2023-06-20 10:01:30 +02:00
nvme hw/nvme: add placement handle list ranges 2023-06-28 11:22:46 +02:00
nvram meson: Replace softmmu_ss -> system_ss 2023-06-20 10:01:30 +02:00
openrisc *: Add missing includes of qemu/error-report.h 2023-03-22 15:06:57 +00:00
pci pci: ROM preallocation for incoming migration 2023-06-23 02:54:44 -04:00
pci-bridge meson: Replace softmmu_ss -> system_ss 2023-06-20 10:01:30 +02:00
pci-host ppc/pnv/pci: Clean up error messages 2023-06-25 22:41:30 +02:00
pcmcia meson: Replace softmmu_ss -> system_ss 2023-06-20 10:01:30 +02:00
ppc target/ppc: Restrict KVM-specific fields from ArchCPU 2023-06-28 14:27:59 +02:00
rdma meson: Replace softmmu_ss -> system_ss 2023-06-20 10:01:30 +02:00
remote exec/memory: Add symbol for memory listener priority for device backend 2023-06-28 14:27:59 +02:00
riscv hw/riscv: Validate cluster and NUMA node boundary 2023-06-26 10:23:01 +02:00
rtc meson: Replace softmmu_ss -> system_ss 2023-06-20 10:01:30 +02:00
rx bulk: Remove pointless QOM casts 2023-06-05 20:48:34 +02:00
s390x vfio: Implement a common device info helper 2023-06-30 06:02:51 +02:00
scsi virtio-scsi: avoid dangling host notifier in ->ioeventfd_stop() 2023-06-26 09:50:00 -04:00
sd meson: Replace softmmu_ss -> system_ss 2023-06-20 10:01:30 +02:00
sensor meson: Replace softmmu_ss -> system_ss 2023-06-20 10:01:30 +02:00
sh4 hw/sh4: Use MachineClass->default_nic in the sh4 r2d machine 2023-05-22 09:44:48 +02:00
smbios meson: Replace softmmu_ss -> system_ss 2023-06-20 10:01:30 +02:00
sparc bulk: Remove pointless QOM casts 2023-06-05 20:48:34 +02:00
sparc64 Revert "hw/sparc64/niagara: Use blk_name() instead of open-coding it" 2023-06-28 10:50:41 +01:00
ssi meson: Replace softmmu_ss -> system_ss 2023-06-20 10:01:30 +02:00
timer meson: Replace softmmu_ss -> system_ss 2023-06-20 10:01:30 +02:00
tpm meson: Replace softmmu_ss -> system_ss 2023-06-20 10:01:30 +02:00
tricore
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usb meson: Replace softmmu_ss -> system_ss 2023-06-20 10:01:30 +02:00
vfio vfio/migration: Make VFIO migration non-experimental 2023-06-30 06:02:51 +02:00
virtio exec/memory: Add symbol for memory listener priority for device backend 2023-06-28 14:27:59 +02:00
watchdog meson: Replace softmmu_ss -> system_ss 2023-06-20 10:01:30 +02:00
xen exec/memory: Add symbolic value for memory listener priority for accel 2023-06-28 14:27:59 +02:00
xenpv hw/xenpv: Initialize Xen backend operations 2023-03-24 14:52:14 +00:00
xtensa hw/xtensa: Use MachineClass->default_nic in the virt machine 2023-05-26 09:10:49 +02:00
Kconfig xen: add CONFIG_XEN_BUS and CONFIG_XEN_EMU options for Xen emulation 2023-03-01 08:22:49 +00:00
meson.build
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