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qemu/hw/core
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Steve Sistare 91792807d1 machine: aux-ram-share option 
Allocate auxilliary guest RAM as an anonymous file that is shareable
with an external process.  This option applies to memory allocated as
a side effect of creating various devices. It does not apply to
memory-backend-objects, whether explicitly specified on the command
line, or implicitly created by the -m command line option.

This option is intended to support new migration modes, in which the
memory region can be transferred in place to a new QEMU process, by sending
the memfd file descriptor to the process.  Memory contents are preserved,
and if the mode also transfers device descriptors, then pages that are
locked in memory for DMA remain locked.  This behavior is a pre-requisite
for supporting vfio, vdpa, and iommufd devices with the new modes.

Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Link: https://lore.kernel.org/r/1736967650-129648-7-git-send-email-steven.sistare@oracle.com
Signed-off-by: Fabiano Rosas <farosas@suse.de>
2025-01-29 11:43:04 -03:00
..
bus.c hw/core: Remove transitional infrastructure from BusClass 2024-02-02 13:51:57 +00:00
clock-vmstate.c hw/core: Constify VMState 2023-12-29 11:17:30 +11:00
clock.c include: Rename sysemu/ -> system/ 2024-12-20 17:44:56 +01:00
cpu-common.c cpu: Remove nr_cores from struct CPUState 2025-01-10 23:34:45 +01:00
cpu-system.c include: Rename sysemu/ -> system/ 2024-12-20 17:44:56 +01:00
eif.c hw/core/eif: Use stateful qcrypto apis 2024-12-13 15:26:58 +01:00
eif.h hw/core: Add Enclave Image Format (EIF) related helpers 2024-10-31 18:28:32 +01:00
fw-path-provider.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
generic-loader.c Accel & Exec patch queue 2024-12-21 11:07:00 -05:00
gpio.c qdev: Use machine_get_container() 2025-01-09 18:16:24 +01:00
guest-loader.c Accel & Exec patch queue 2024-12-21 11:07:00 -05:00
guest-loader.h hw/core: implement a guest-loader to support static hypervisor guests 2021-03-10 15:34:11 +00:00
hotplug.c call HotplugHandler->plug() as the last step in device realization 2018-10-19 13:44:12 +02:00
irq.c hw: fix memory leak in IRQState allocation 2024-10-01 13:55:39 +01:00
Kconfig hw/core: Add Enclave Image Format (EIF) related helpers 2024-10-31 18:28:32 +01:00
loader-fit.c include: Rename sysemu/ -> system/ 2024-12-20 17:44:56 +01:00
loader.c hw/core/loader: Use ssize_t for efi zboot unpacker 2025-01-09 14:12:24 +08:00
machine-hmp-cmds.c include: Rename sysemu/ -> system/ 2024-12-20 17:44:56 +01:00
machine-qmp-cmds.c include: Rename sysemu/ -> system/ 2024-12-20 17:44:56 +01:00
machine-smp.c hw/core/machine-smp: Fix error message parameter 2024-11-19 18:38:25 +01:00
machine.c machine: aux-ram-share option 2025-01-29 11:43:04 -03:00
meson.build qdev: Implement qdev_create_fake_machine() for user emulation 2025-01-09 18:16:24 +01:00
nmi.c hw/core: Improve error message when machine doesn't provide NMIs 2023-02-23 14:10:17 +01:00
null-machine.c Do not include sysemu/sysemu.h if it's not really necessary 2021-05-02 17:24:50 +02:00
numa.c include: Rename sysemu/ -> system/ 2024-12-20 17:44:56 +01:00
or-irq.c include/hw/qdev-properties: Remove DEFINE_PROP_END_OF_LIST 2024-12-19 19:36:37 +01:00
platform-bus.c include/hw/qdev-properties: Remove DEFINE_PROP_END_OF_LIST 2024-12-19 19:36:37 +01:00
ptimer.c include: Rename sysemu/ -> system/ 2024-12-20 17:44:56 +01:00
qdev-clock.c clock: inline most of qdev_init_clocklist 2024-12-10 18:49:24 +01:00
qdev-fw.c Include hw/qdev-properties.h less 2019-08-16 13:31:53 +02:00
qdev-hotplug.c hw/qdev: Check machine_hotplug_handler in hotplug_unplug_allowed_common 2025-01-13 17:16:03 +01:00
qdev-prop-internal.h qdev: Make qdev_propinfo_get_uint16() static 2020-12-15 10:02:07 -05:00
qdev-properties-system.c Accel & Exec patch queue 2024-12-21 11:07:00 -05:00
qdev-properties.c Constify all opaque Property pointers 2024-12-19 19:36:37 +01:00
qdev-user.c qdev: Implement qdev_create_fake_machine() for user emulation 2025-01-09 18:16:24 +01:00
qdev.c qdev: Use machine_get_container() 2025-01-09 18:16:24 +01:00
register.c hw/core/register: Add more 64-bit utilities 2021-09-01 11:59:12 +10:00
reset.c include: Rename sysemu/ -> system/ 2024-12-20 17:44:56 +01:00
resetcontainer.c hw/core: Add ResetContainer which holds objects implementing Resettable 2024-02-27 13:01:42 +00:00
resettable.c hw/core/resettable: Remove transitional_function machinery 2024-09-13 15:31:46 +01:00
split-irq.c include/hw/qdev-properties: Remove DEFINE_PROP_END_OF_LIST 2024-12-19 19:36:37 +01:00
stream.c hw/core/stream: Rename StreamSlave as StreamSink 2020-12-10 12:15:04 -05:00
sysbus-fdt.c include: Rename sysemu/ -> system/ 2024-12-20 17:44:56 +01:00
sysbus.c qdev: Use machine_get_container() 2025-01-09 18:16:24 +01:00
trace-events trace-events: remove the remaining vcpu trace events 2023-06-01 11:05:05 -04:00
trace.h trace: switch position of headers to what Meson requires 2020-08-21 06:18:24 -04:00
uboot_image.h license: Update deprecated SPDX tag GPL-2.0+ to GPL-2.0-or-later 2024-09-20 10:11:59 +03:00
vm-change-state-handler.c include: Rename sysemu/ -> system/ 2024-12-20 17:44:56 +01:00
vmstate-if.c vmstate: add qom interface to get id 2020-01-06 18:41:32 +04:00