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libvirt/SOURCES/libvirt-qemu-Match-NVRAM-template-extension-for-new-domains.patch

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2023-12-07 13:52:11 +00:00
From 6dbe828752378e2215d4fd4fca65c94372ad0cf2 Mon Sep 17 00:00:00 2001
Message-ID: <6dbe828752378e2215d4fd4fca65c94372ad0cf2.1692951632.git.jdenemar@redhat.com>
From: Andrea Bolognani <abologna@redhat.com>
Date: Tue, 30 May 2023 18:24:40 +0200
Subject: [PATCH] qemu: Match NVRAM template extension for new domains
Keep things consistent by using the same file extension for the
generated NVRAM path as the NVRAM template.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
(cherry picked from commit b845e376a45a8e93f933a4a41068a9ce27adf755)
https://bugzilla.redhat.com/show_bug.cgi?id=2196178
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
---
src/qemu/qemu_domain.c | 2 +-
src/qemu/qemu_firmware.c | 32 ++++++++++++++++---
src/qemu/qemu_firmware.h | 3 +-
src/qemu/qemu_process.c | 2 +-
...-loader-raw-abi-update.aarch64-latest.args | 2 +-
...t-loader-raw-abi-update.aarch64-latest.xml | 2 +-
6 files changed, 33 insertions(+), 10 deletions(-)
diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index 94587638c3..3bb3e5fdfa 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -4505,7 +4505,7 @@ qemuDomainDefBootPostParse(virDomainDef *def,
* to start the domain, qemuFirmwareFillDomain() will be run
* again, fail in the same way, and at that point we'll have a
* chance to inform the user of any issues */
- if (qemuFirmwareFillDomain(driver, def) < 0) {
+ if (qemuFirmwareFillDomain(driver, def, abiUpdate) < 0) {
if (abiUpdate) {
return -1;
} else {
diff --git a/src/qemu/qemu_firmware.c b/src/qemu/qemu_firmware.c
index 3538654913..ebaf32cf71 100644
--- a/src/qemu/qemu_firmware.c
+++ b/src/qemu/qemu_firmware.c
@@ -32,6 +32,7 @@
#include "virlog.h"
#include "viralloc.h"
#include "virenum.h"
+#include "virstring.h"
#define VIR_FROM_THIS VIR_FROM_QEMU
@@ -1054,6 +1055,7 @@ qemuFirmwareOSInterfaceTypeFromOsDefLoaderType(virDomainLoader type)
* qemuFirmwareEnsureNVRAM:
* @def: domain definition
* @driver: QEMU driver
+ * @abiUpdate: whether a new domain is being defined
*
* Make sure that a source for the NVRAM file exists, possibly by
* creating it. This might involve automatically generating the
@@ -1061,7 +1063,8 @@ qemuFirmwareOSInterfaceTypeFromOsDefLoaderType(virDomainLoader type)
*/
static void
qemuFirmwareEnsureNVRAM(virDomainDef *def,
- virQEMUDriver *driver)
+ virQEMUDriver *driver,
+ bool abiUpdate)
{
g_autoptr(virQEMUDriverConfig) cfg = virQEMUDriverGetConfig(driver);
virDomainLoaderDef *loader = def->os.loader;
@@ -1091,8 +1094,25 @@ qemuFirmwareEnsureNVRAM(virDomainDef *def,
loader->nvram->type = VIR_STORAGE_TYPE_FILE;
loader->nvram->format = loader->format;
- if (loader->nvram->format == VIR_STORAGE_FILE_RAW)
- ext = ".fd";
+ if (loader->nvram->format == VIR_STORAGE_FILE_RAW) {
+ /* The extension used by raw edk2 builds has historically
+ * been .fd, but more recent aarch64 builds have started
+ * using the .raw extension instead.
+ *
+ * If we're defining a new domain, we should try to match the
+ * extension for the file backing its NVRAM store with the
+ * one used by the template to keep things nice and
+ * consistent.
+ *
+ * If we're loading an existing domain, however, we need to
+ * stick with the .fd extension to ensure compatibility */
+ if (abiUpdate &&
+ loader->nvramTemplate &&
+ virStringHasSuffix(loader->nvramTemplate, ".raw"))
+ ext = ".raw";
+ else
+ ext = ".fd";
+ }
if (loader->nvram->format == VIR_STORAGE_FILE_QCOW2)
ext = ".qcow2";
@@ -1729,6 +1749,7 @@ qemuFirmwareFillDomainModern(virQEMUDriver *driver,
* qemuFirmwareFillDomain:
* @driver: QEMU driver
* @def: domain definition
+ * @abiUpdate: whether a new domain is being defined
*
* Perform firmware selection.
*
@@ -1752,7 +1773,8 @@ qemuFirmwareFillDomainModern(virQEMUDriver *driver,
*/
int
qemuFirmwareFillDomain(virQEMUDriver *driver,
- virDomainDef *def)
+ virDomainDef *def,
+ bool abiUpdate)
{
virDomainLoaderDef *loader = def->os.loader;
virStorageSource *nvram = loader ? loader->nvram : NULL;
@@ -1822,7 +1844,7 @@ qemuFirmwareFillDomain(virQEMUDriver *driver,
/* Always ensure that the NVRAM path is present, even if we
* haven't found a match: the configuration might simply be
* referring to a custom firmware build */
- qemuFirmwareEnsureNVRAM(def, driver);
+ qemuFirmwareEnsureNVRAM(def, driver, abiUpdate);
return 0;
}
diff --git a/src/qemu/qemu_firmware.h b/src/qemu/qemu_firmware.h
index 1ce0920713..39572d979d 100644
--- a/src/qemu/qemu_firmware.h
+++ b/src/qemu/qemu_firmware.h
@@ -44,7 +44,8 @@ qemuFirmwareFetchConfigs(char ***firmwares,
int
qemuFirmwareFillDomain(virQEMUDriver *driver,
- virDomainDef *def);
+ virDomainDef *def,
+ bool abiUpdate);
int
qemuFirmwareGetSupported(const char *machine,
diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c
index db06991450..32fe46dae8 100644
--- a/src/qemu/qemu_process.c
+++ b/src/qemu/qemu_process.c
@@ -6706,7 +6706,7 @@ qemuProcessPrepareDomain(virQEMUDriver *driver,
return -1;
VIR_DEBUG("Prepare bios/uefi paths");
- if (qemuFirmwareFillDomain(driver, vm->def) < 0)
+ if (qemuFirmwareFillDomain(driver, vm->def, false) < 0)
return -1;
if (qemuDomainInitializePflashStorageSource(vm, cfg) < 0)
return -1;
diff --git a/tests/qemuxml2argvdata/firmware-auto-efi-format-loader-raw-abi-update.aarch64-latest.args b/tests/qemuxml2argvdata/firmware-auto-efi-format-loader-raw-abi-update.aarch64-latest.args
index eb5cd8d5fc..3e319a29bf 100644
--- a/tests/qemuxml2argvdata/firmware-auto-efi-format-loader-raw-abi-update.aarch64-latest.args
+++ b/tests/qemuxml2argvdata/firmware-auto-efi-format-loader-raw-abi-update.aarch64-latest.args
@@ -12,7 +12,7 @@ XDG_CONFIG_HOME=/var/lib/libvirt/qemu/domain--1-guest/.config \
-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/edk2/aarch64/QEMU_EFI-silent-pflash.raw","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 '{"driver":"file","filename":"/var/lib/libvirt/qemu/nvram/guest_VARS.raw","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 \
diff --git a/tests/qemuxml2xmloutdata/firmware-auto-efi-format-loader-raw-abi-update.aarch64-latest.xml b/tests/qemuxml2xmloutdata/firmware-auto-efi-format-loader-raw-abi-update.aarch64-latest.xml
index 38c680fabd..ee22b16831 100644
--- a/tests/qemuxml2xmloutdata/firmware-auto-efi-format-loader-raw-abi-update.aarch64-latest.xml
+++ b/tests/qemuxml2xmloutdata/firmware-auto-efi-format-loader-raw-abi-update.aarch64-latest.xml
@@ -11,7 +11,7 @@
<feature enabled='no' name='secure-boot'/>
</firmware>
<loader readonly='yes' type='pflash'>/usr/share/edk2/aarch64/QEMU_EFI-silent-pflash.raw</loader>
- <nvram template='/usr/share/edk2/aarch64/vars-template-pflash.raw'>/var/lib/libvirt/qemu/nvram/guest_VARS.fd</nvram>
+ <nvram template='/usr/share/edk2/aarch64/vars-template-pflash.raw'>/var/lib/libvirt/qemu/nvram/guest_VARS.raw</nvram>
<boot dev='hd'/>
</os>
<features>
--
2.42.0
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