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qemu: Default to raw firmware for existing domains

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The changes to the output files are the exact opposite of
those from commit 22207713cf8e: this is proof that the fix is
working as intended, and that existing domains will keep using
raw firmware images regardless of whether or not qcow2 images
are available on the system and have higher priority.

New domains will keep picking whatever firmware is considered
the preferred one according to the order of descriptors, as
evidenced by the fact that the recently introduced
firmware-auto-efi-abi-update-aarch64 test case is unaffected.

Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
This commit is contained in:
Andrea Bolognani 2023-03-27 19:30:48 +02:00
parent 6bafa74d62
commit 420a7a2550
9 changed files with 41 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
src/qemu/qemu_domain.c
View File

@ -4474,6 +4474,23 @@ qemuDomainDefBootPostParse(virDomainDef *def,
{
bool abiUpdate = !!(parseFlags & VIR_DOMAIN_DEF_PARSE_ABI_UPDATE);
/* If we're loading an existing configuration from disk, we
* should try as hard as possible to preserve historical
* behavior. In particular, firmware autoselection being enabled
* could never have resulted, before libvirt 9.2.0, in anything
* but a raw firmware image being selected.
*
* In order to ensure that existing domains keep working even if
* a firmware descriptor for a build with a different format is
* given higher priority, explicitly add this requirement to the
* definition before performing firmware selection */
if (!abiUpdate && def->os.firmware) {
if (!def->os.loader)
def->os.loader = virDomainLoaderDefNew();
if (!def->os.loader->format)
def->os.loader->format = VIR_STORAGE_FILE_RAW;
}
/* Firmware selection can fail for a number of reasons, but the
* most likely one is that the requested configuration contains
* mistakes or includes constraints that are impossible to

8
tests/qemuxml2argvdata/firmware-auto-efi-aarch64.aarch64-latest.args
View File

@ -10,10 +10,10 @@ XDG_CONFIG_HOME=/var/lib/libvirt/qemu/domain--1-guest/.config \
-name guest=guest,debug-threads=on \
-S \
-object '{"qom-type":"secret","id":"masterKey0","format":"raw","file":"/var/lib/libvirt/qemu/domain--1-guest/master-key.aes"}' \
-blockdev '{"driver":"file","filename":"/usr/share/AAVMF/AAVMF_CODE.qcow2","node-name":"libvirt-pflash0-storage","auto-read-only":true,"discard":"unmap"}' \
-blockdev '{"node-name":"libvirt-pflash0-format","read-only":true,"driver":"qcow2","file":"libvirt-pflash0-storage"}' \
-blockdev '{"driver":"file","filename":"/var/lib/libvirt/qemu/nvram/guest_VARS.qcow2","node-name":"libvirt-pflash1-storage","auto-read-only":true,"discard":"unmap"}' \
-blockdev '{"node-name":"libvirt-pflash1-format","read-only":false,"driver":"qcow2","file":"libvirt-pflash1-storage"}' \
-blockdev '{"driver":"file","filename":"/usr/share/AAVMF/AAVMF_CODE.fd","node-name":"libvirt-pflash0-storage","auto-read-only":true,"discard":"unmap"}' \
-blockdev '{"node-name":"libvirt-pflash0-format","read-only":true,"driver":"raw","file":"libvirt-pflash0-storage"}' \
-blockdev '{"driver":"file","filename":"/var/lib/libvirt/qemu/nvram/guest_VARS.fd","node-name":"libvirt-pflash1-storage","auto-read-only":true,"discard":"unmap"}' \
-blockdev '{"node-name":"libvirt-pflash1-format","read-only":false,"driver":"raw","file":"libvirt-pflash1-storage"}' \
-machine virt-4.0,usb=off,gic-version=2,dump-guest-core=off,memory-backend=mach-virt.ram,pflash0=libvirt-pflash0-format,pflash1=libvirt-pflash1-format \
-accel tcg \
-cpu cortex-a15 \

8
tests/qemuxml2argvdata/pvpanic-pci-aarch64.aarch64-latest.args
View File

@ -10,10 +10,10 @@ XDG_CONFIG_HOME=/var/lib/libvirt/qemu/domain--1-guest/.config \
-name guest=guest,debug-threads=on \
-S \
-object '{"qom-type":"secret","id":"masterKey0","format":"raw","file":"/var/lib/libvirt/qemu/domain--1-guest/master-key.aes"}' \
-blockdev '{"driver":"file","filename":"/usr/share/AAVMF/AAVMF_CODE.qcow2","node-name":"libvirt-pflash0-storage","auto-read-only":true,"discard":"unmap"}' \
-blockdev '{"node-name":"libvirt-pflash0-format","read-only":true,"driver":"qcow2","file":"libvirt-pflash0-storage"}' \
-blockdev '{"driver":"file","filename":"/var/lib/libvirt/qemu/nvram/guest_VARS.qcow2","node-name":"libvirt-pflash1-storage","auto-read-only":true,"discard":"unmap"}' \
-blockdev '{"node-name":"libvirt-pflash1-format","read-only":false,"driver":"qcow2","file":"libvirt-pflash1-storage"}' \
-blockdev '{"driver":"file","filename":"/usr/share/AAVMF/AAVMF_CODE.fd","node-name":"libvirt-pflash0-storage","auto-read-only":true,"discard":"unmap"}' \
-blockdev '{"node-name":"libvirt-pflash0-format","read-only":true,"driver":"raw","file":"libvirt-pflash0-storage"}' \
-blockdev '{"driver":"file","filename":"/var/lib/libvirt/qemu/nvram/guest_VARS.fd","node-name":"libvirt-pflash1-storage","auto-read-only":true,"discard":"unmap"}' \
-blockdev '{"node-name":"libvirt-pflash1-format","read-only":false,"driver":"raw","file":"libvirt-pflash1-storage"}' \
-machine virt-6.0,usb=off,gic-version=2,dump-guest-core=off,memory-backend=mach-virt.ram,pflash0=libvirt-pflash0-format,pflash1=libvirt-pflash1-format \
-accel tcg \
-cpu cortex-a15 \

8
tests/qemuxml2argvdata/pvpanic-pci-no-address-aarch64.aarch64-latest.args
View File

@ -10,10 +10,10 @@ XDG_CONFIG_HOME=/var/lib/libvirt/qemu/domain--1-guest/.config \
-name guest=guest,debug-threads=on \
-S \
-object '{"qom-type":"secret","id":"masterKey0","format":"raw","file":"/var/lib/libvirt/qemu/domain--1-guest/master-key.aes"}' \
-blockdev '{"driver":"file","filename":"/usr/share/AAVMF/AAVMF_CODE.qcow2","node-name":"libvirt-pflash0-storage","auto-read-only":true,"discard":"unmap"}' \
-blockdev '{"node-name":"libvirt-pflash0-format","read-only":true,"driver":"qcow2","file":"libvirt-pflash0-storage"}' \
-blockdev '{"driver":"file","filename":"/var/lib/libvirt/qemu/nvram/guest_VARS.qcow2","node-name":"libvirt-pflash1-storage","auto-read-only":true,"discard":"unmap"}' \
-blockdev '{"node-name":"libvirt-pflash1-format","read-only":false,"driver":"qcow2","file":"libvirt-pflash1-storage"}' \
-blockdev '{"driver":"file","filename":"/usr/share/AAVMF/AAVMF_CODE.fd","node-name":"libvirt-pflash0-storage","auto-read-only":true,"discard":"unmap"}' \
-blockdev '{"node-name":"libvirt-pflash0-format","read-only":true,"driver":"raw","file":"libvirt-pflash0-storage"}' \
-blockdev '{"driver":"file","filename":"/var/lib/libvirt/qemu/nvram/guest_VARS.fd","node-name":"libvirt-pflash1-storage","auto-read-only":true,"discard":"unmap"}' \
-blockdev '{"node-name":"libvirt-pflash1-format","read-only":false,"driver":"raw","file":"libvirt-pflash1-storage"}' \
-machine virt-6.0,usb=off,gic-version=2,dump-guest-core=off,memory-backend=mach-virt.ram,pflash0=libvirt-pflash0-format,pflash1=libvirt-pflash1-format \
-accel tcg \
-cpu cortex-a15 \

8
tests/qemuxml2argvdata/virtio-iommu-aarch64.aarch64-latest.args
View File

@ -10,10 +10,10 @@ XDG_CONFIG_HOME=/var/lib/libvirt/qemu/domain--1-guest/.config \
-name guest=guest,debug-threads=on \
-S \
-object '{"qom-type":"secret","id":"masterKey0","format":"raw","file":"/var/lib/libvirt/qemu/domain--1-guest/master-key.aes"}' \
-blockdev '{"driver":"file","filename":"/usr/share/AAVMF/AAVMF_CODE.qcow2","node-name":"libvirt-pflash0-storage","auto-read-only":true,"discard":"unmap"}' \
-blockdev '{"node-name":"libvirt-pflash0-format","read-only":true,"driver":"qcow2","file":"libvirt-pflash0-storage"}' \
-blockdev '{"driver":"file","filename":"/var/lib/libvirt/qemu/nvram/guest_VARS.qcow2","node-name":"libvirt-pflash1-storage","auto-read-only":true,"discard":"unmap"}' \
-blockdev '{"node-name":"libvirt-pflash1-format","read-only":false,"driver":"qcow2","file":"libvirt-pflash1-storage"}' \
-blockdev '{"driver":"file","filename":"/usr/share/AAVMF/AAVMF_CODE.fd","node-name":"libvirt-pflash0-storage","auto-read-only":true,"discard":"unmap"}' \
-blockdev '{"node-name":"libvirt-pflash0-format","read-only":true,"driver":"raw","file":"libvirt-pflash0-storage"}' \
-blockdev '{"driver":"file","filename":"/var/lib/libvirt/qemu/nvram/guest_VARS.fd","node-name":"libvirt-pflash1-storage","auto-read-only":true,"discard":"unmap"}' \
-blockdev '{"node-name":"libvirt-pflash1-format","read-only":false,"driver":"raw","file":"libvirt-pflash1-storage"}' \
-machine virt-6.0,usb=off,gic-version=2,dump-guest-core=off,memory-backend=mach-virt.ram,pflash0=libvirt-pflash0-format,pflash1=libvirt-pflash1-format \
-accel tcg \
-cpu cortex-a15 \

4
tests/qemuxml2xmloutdata/firmware-auto-efi-aarch64.aarch64-latest.xml
View File

@ -10,8 +10,8 @@
<feature enabled='no' name='enrolled-keys'/>
<feature enabled='no' name='secure-boot'/>
</firmware>
<loader readonly='yes' type='pflash' format='qcow2'>/usr/share/AAVMF/AAVMF_CODE.qcow2</loader>
<nvram template='/usr/share/AAVMF/AAVMF_VARS.qcow2' format='qcow2'>/var/lib/libvirt/qemu/nvram/guest_VARS.qcow2</nvram>
<loader readonly='yes' type='pflash'>/usr/share/AAVMF/AAVMF_CODE.fd</loader>
<nvram template='/usr/share/AAVMF/AAVMF_VARS.fd'>/var/lib/libvirt/qemu/nvram/guest_VARS.fd</nvram>
<boot dev='hd'/>
</os>
<features>

4
tests/qemuxml2xmloutdata/pvpanic-pci-aarch64.aarch64-latest.xml
View File

@ -10,8 +10,8 @@
<feature enabled='no' name='enrolled-keys'/>
<feature enabled='no' name='secure-boot'/>
</firmware>
<loader readonly='yes' type='pflash' format='qcow2'>/usr/share/AAVMF/AAVMF_CODE.qcow2</loader>
<nvram template='/usr/share/AAVMF/AAVMF_VARS.qcow2' format='qcow2'>/var/lib/libvirt/qemu/nvram/guest_VARS.qcow2</nvram>
<loader readonly='yes' type='pflash'>/usr/share/AAVMF/AAVMF_CODE.fd</loader>
<nvram template='/usr/share/AAVMF/AAVMF_VARS.fd'>/var/lib/libvirt/qemu/nvram/guest_VARS.fd</nvram>
<boot dev='hd'/>
</os>
<features>

4
tests/qemuxml2xmloutdata/pvpanic-pci-no-address-aarch64.aarch64-latest.xml
View File

@ -10,8 +10,8 @@
<feature enabled='no' name='enrolled-keys'/>
<feature enabled='no' name='secure-boot'/>
</firmware>
<loader readonly='yes' type='pflash' format='qcow2'>/usr/share/AAVMF/AAVMF_CODE.qcow2</loader>
<nvram template='/usr/share/AAVMF/AAVMF_VARS.qcow2' format='qcow2'>/var/lib/libvirt/qemu/nvram/guest_VARS.qcow2</nvram>
<loader readonly='yes' type='pflash'>/usr/share/AAVMF/AAVMF_CODE.fd</loader>
<nvram template='/usr/share/AAVMF/AAVMF_VARS.fd'>/var/lib/libvirt/qemu/nvram/guest_VARS.fd</nvram>
<boot dev='hd'/>
</os>
<features>

4
tests/qemuxml2xmloutdata/virtio-iommu-aarch64.aarch64-latest.xml
View File

@ -10,8 +10,8 @@
<feature enabled='no' name='enrolled-keys'/>
<feature enabled='no' name='secure-boot'/>
</firmware>
<loader readonly='yes' type='pflash' format='qcow2'>/usr/share/AAVMF/AAVMF_CODE.qcow2</loader>
<nvram template='/usr/share/AAVMF/AAVMF_VARS.qcow2' format='qcow2'>/var/lib/libvirt/qemu/nvram/guest_VARS.qcow2</nvram>
<loader readonly='yes' type='pflash'>/usr/share/AAVMF/AAVMF_CODE.fd</loader>
<nvram template='/usr/share/AAVMF/AAVMF_VARS.fd'>/var/lib/libvirt/qemu/nvram/guest_VARS.fd</nvram>
<boot dev='hd'/>
</os>
<features>