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qemu added support for i440fx specific global boolean flag PIIX4_PM.acpi-pci-hotplug-with-bridge-support around version 2.1. This flag is enabled by default. When disabled, it turns off acpi pci hotplug for cold plugged pci bridges in i440fx machine types. Very recently, in qemu version 6.1, the same global option was also added for q35 machine types as well. ICH9-LPC.acpi-pci-hotplug-with-bridge-support This option turns on or off acpi based hotplug for cold plugged pcie bridges like pcie root ports. This flag is also enabled by default. Please refer to the following qemu changes: c0e427d6eb5fef ("hw/acpi/ich9: Enable ACPI PCI hot-plug") 17858a16950860 ("hw/acpi/ich9: Set ACPI PCI hot-plug as default on Q35") This patch adds the corresponding qemu capabilities in libvirt. For i440fx, the capability is detected as QEMU_CAPS_PIIX_ACPI_HOTPLUG_BRIDGE. For q35, the capability is detected as QEMU_CAPS_ICH9_ACPI_HOTPLUG_BRIDGE. Please note that the test specific qemu capabilities .replies files has already been updated as a part of regular refreshing them when a new qemu version is released. Hence, no updates to those files are required. Signed-off-by: Ani Sinha <ani@anisinha.ca> Reviewed-by: Laine Stump <laine@redhat.com> |
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.. | ||
access | ||
admin | ||
bhyve | ||
ch | ||
conf | ||
cpu | ||
cpu_map | ||
esx | ||
hyperv | ||
hypervisor | ||
interface | ||
keycodemapdb@27acf0ef82 | ||
libxl | ||
locking | ||
logging | ||
lxc | ||
network | ||
node_device | ||
nwfilter | ||
openvz | ||
qemu | ||
remote | ||
rpc | ||
secret | ||
security | ||
storage | ||
storage_file | ||
test | ||
util | ||
vbox | ||
vmware | ||
vmx | ||
vz | ||
admin_protocol-structs | ||
datatypes.c | ||
datatypes.h | ||
driver-hypervisor.h | ||
driver-interface.h | ||
driver-network.h | ||
driver-nodedev.h | ||
driver-nwfilter.h | ||
driver-secret.h | ||
driver-state.h | ||
driver-storage.h | ||
driver-stream.h | ||
driver.c | ||
driver.h | ||
internal.h | ||
libvirt_driver_modules.syms | ||
libvirt_esx.syms | ||
libvirt_internal.h | ||
libvirt_libssh2.syms | ||
libvirt_libssh.syms | ||
libvirt_linux.syms | ||
libvirt_lxc.syms | ||
libvirt_openvz.syms | ||
libvirt_private.syms | ||
libvirt_probes.d | ||
libvirt_public.syms | ||
libvirt_qemu.syms | ||
libvirt_remote.syms | ||
libvirt_sasl.syms | ||
libvirt_vmware.syms | ||
libvirt_vmx.syms | ||
libvirt-domain-checkpoint.c | ||
libvirt-domain-snapshot.c | ||
libvirt-domain.c | ||
libvirt-host.c | ||
libvirt-interface.c | ||
libvirt-lxc.c | ||
libvirt-lxc.pc.in | ||
libvirt-network.c | ||
libvirt-nodedev.c | ||
libvirt-nwfilter.c | ||
libvirt-qemu.c | ||
libvirt-qemu.pc.in | ||
libvirt-secret.c | ||
libvirt-storage.c | ||
libvirt-stream.c | ||
libvirt.c | ||
libvirt.conf | ||
libvirt.pc.in | ||
lock_protocol-structs | ||
lxc_monitor_protocol-structs | ||
lxc_protocol-structs | ||
meson.build | ||
qemu_protocol-structs | ||
README | ||
remote_protocol-structs | ||
virkeepaliveprotocol-structs | ||
virnetprotocol-structs |
libvirt library code README =========================== The directory provides the bulk of the libvirt codebase. Everything except for the libvirtd daemon and client tools. The build uses a large number of libtool convenience libraries - one for each child directory, and then links them together for the final libvirt.so, although some bits get linked directly to libvirtd daemon instead. The files directly in this directory are supporting the public API entry points & data structures. There are two core shared modules to be aware of: * util/ - a collection of shared APIs that can be used by any code. This directory is always in the include path for all things built * conf/ - APIs for parsing / manipulating all the official XML files used by the public API. This directory is only in the include path for driver implementation modules * vmx/ - VMware VMX config handling (used by esx/ and vmware/) Then there are the hypervisor implementations: * bhyve - bhyve - The BSD Hypervisor * esx/ - VMware ESX and GSX support using vSphere API over SOAP * hyperv/ - Microsoft Hyper-V support using WinRM * lxc/ - Linux Native Containers * openvz/ - OpenVZ containers using cli tools * qemu/ - QEMU / KVM using qemu CLI/monitor * remote/ - Generic libvirt native RPC client * test/ - A "mock" driver for testing * vbox/ - Virtual Box using native API * vmware/ - VMware Workstation and Player using the vmrun tool * xen/ - Xen using hypercalls, XenD SEXPR & XenStore Finally some secondary drivers that are shared for several HVs. Currently these are used by LXC, OpenVZ, QEMU and Xen drivers. The ESX, Hyper-V, Remote, Test & VirtualBox drivers all implement the secondary drivers directly * cpu/ - CPU feature management * interface/ - Host network interface management * network/ - Virtual NAT networking * nwfilter/ - Network traffic filtering rules * node_device/ - Host device enumeration * secret/ - Secret management * security/ - Mandatory access control drivers * storage/ - Storage management drivers Since both the hypervisor and secondary drivers can be built as dlopen()able modules, it is *FORBIDDEN* to have build dependencies between these directories. Drivers are only allowed to depend on the public API, and the internal APIs in the util/ and conf/ directories