mirror of https://github.com/xemu-project/xemu.git
b7f23f62e4
Implement _DSM according to:
PCI Firmware Specification 3.1
4.6.7. DSM for Naming a PCI or PCI Express Device Under
Operating Systems
and wire it up to cold and hot-plugged PCI devices.
Feature depends on ACPI hotplug being enabled (as that provides
PCI devices descriptions in ACPI and MMIO registers that are
reused to fetch acpi-index).
acpi-index should work for
- cold plugged NICs:
$QEMU -device e1000,acpi-index=100
=> 'eno100'
- hot-plugged
(monitor) device_add e1000,acpi-index=200,id=remove_me
=> 'eno200'
- re-plugged
(monitor) device_del remove_me
(monitor) device_add e1000,acpi-index=1
=> 'eno1'
Windows also sees index under "PCI Label Id" field in properties
dialog but otherwise it doesn't seem to have any effect.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20210315180102.3008391-6-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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|---|---|---|
| .. | ||
| kvm | ||
| xen | ||
| Kconfig | ||
| acpi-build.c | ||
| acpi-build.h | ||
| acpi-common.c | ||
| acpi-common.h | ||
| acpi-microvm.c | ||
| acpi-microvm.h | ||
| amd_iommu.c | ||
| amd_iommu.h | ||
| e820_memory_layout.c | ||
| e820_memory_layout.h | ||
| fw_cfg.c | ||
| fw_cfg.h | ||
| generic_event_device_x86.c | ||
| intel_iommu.c | ||
| intel_iommu_internal.h | ||
| kvmvapic.c | ||
| meson.build | ||
| microvm.c | ||
| multiboot.c | ||
| multiboot.h | ||
| pc.c | ||
| pc_piix.c | ||
| pc_q35.c | ||
| pc_sysfw.c | ||
| port92.c | ||
| trace-events | ||
| trace.h | ||
| vmmouse.c | ||
| vmport.c | ||
| x86-iommu-stub.c | ||
| x86-iommu.c | ||
| x86.c | ||