[libvirt PATCH 16/21] qemu: Filter firmware based on loader.readonly

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If the user included loader.readonly=no in the domain XML, we
should not pick a firmware build that expects to work with
loader.readonly=yes.

https://bugzilla.redhat.com/show_bug.cgi?id=2196178

Signed-off-by: Andrea Bolognani <abologna@xxxxxxxxxx>
---
 src/qemu/qemu_firmware.c                      | 12 ++++++
 ...-auto-efi-rw-abi-update.x86_64-latest.args | 38 -----------------
 ...e-auto-efi-rw-abi-update.x86_64-latest.err |  1 +
 .../firmware-auto-efi-rw.x86_64-latest.args   | 38 -----------------
 .../firmware-auto-efi-rw.x86_64-latest.err    |  1 +
 ...ual-efi-rw-legacy-paths.x86_64-latest.args |  6 +--
 ...ual-efi-rw-modern-paths.x86_64-latest.args |  6 +--
 tests/qemuxml2argvtest.c                      |  4 +-
 ...e-auto-efi-rw-abi-update.x86_64-latest.xml | 41 -------------------
 .../firmware-auto-efi-rw.x86_64-latest.xml    |  8 +---
 ...nual-efi-rw-legacy-paths.x86_64-latest.xml |  3 +-
 ...nual-efi-rw-modern-paths.x86_64-latest.xml |  9 +---
 tests/qemuxml2xmltest.c                       |  1 -
 13 files changed, 24 insertions(+), 144 deletions(-)
 delete mode 100644 tests/qemuxml2argvdata/firmware-auto-efi-rw-abi-update.x86_64-latest.args
 create mode 100644 tests/qemuxml2argvdata/firmware-auto-efi-rw-abi-update.x86_64-latest.err
 delete mode 100644 tests/qemuxml2argvdata/firmware-auto-efi-rw.x86_64-latest.args
 create mode 100644 tests/qemuxml2argvdata/firmware-auto-efi-rw.x86_64-latest.err
 delete mode 100644 tests/qemuxml2xmloutdata/firmware-auto-efi-rw-abi-update.x86_64-latest.xml

diff --git a/src/qemu/qemu_firmware.c b/src/qemu/qemu_firmware.c
index 2c9a03e6cf..3538654913 100644
--- a/src/qemu/qemu_firmware.c
+++ b/src/qemu/qemu_firmware.c
@@ -1295,6 +1295,13 @@ qemuFirmwareMatchDomain(const virDomainDef *def,
             }
         }
 
+        if (loader &&
+            loader->readonly == VIR_TRISTATE_BOOL_NO &&
+            flash->mode != QEMU_FIRMWARE_FLASH_MODE_COMBINED) {
+            VIR_DEBUG("Discarding readonly loader");
+            return false;
+        }
+
         if (STRNEQ(flash->executable.format, "raw") &&
             STRNEQ(flash->executable.format, "qcow2")) {
             VIR_DEBUG("Discarding loader with unsupported flash format '%s'",
@@ -1593,6 +1600,11 @@ qemuFirmwareFillDomainLegacy(virQEMUDriver *driver,
         return 1;
     }
 
+    if (loader->readonly == VIR_TRISTATE_BOOL_NO) {
+        VIR_DEBUG("Ignoring legacy entries for read-write loader");
+        return 1;
+    }
+
     if (loader->stateless == VIR_TRISTATE_BOOL_YES) {
         VIR_DEBUG("Ignoring legacy entries for stateless loader");
         return 1;
diff --git a/tests/qemuxml2argvdata/firmware-auto-efi-rw-abi-update.x86_64-latest.args b/tests/qemuxml2argvdata/firmware-auto-efi-rw-abi-update.x86_64-latest.args
deleted file mode 100644
index 48f357cbf9..0000000000
--- a/tests/qemuxml2argvdata/firmware-auto-efi-rw-abi-update.x86_64-latest.args
+++ /dev/null
@@ -1,38 +0,0 @@
-LC_ALL=C \
-PATH=/bin \
-HOME=/var/lib/libvirt/qemu/domain--1-guest \
-USER=test \
-LOGNAME=test \
-XDG_DATA_HOME=/var/lib/libvirt/qemu/domain--1-guest/.local/share \
-XDG_CACHE_HOME=/var/lib/libvirt/qemu/domain--1-guest/.cache \
-XDG_CONFIG_HOME=/var/lib/libvirt/qemu/domain--1-guest/.config \
-/usr/bin/qemu-system-x86_64 \
--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/edk2/ovmf/OVMF_CODE.secboot.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 pc-q35-4.0,usb=off,smm=on,dump-guest-core=off,memory-backend=pc.ram,pflash0=libvirt-pflash0-format,pflash1=libvirt-pflash1-format,acpi=on \
--accel kvm \
--cpu qemu64 \
--global driver=cfi.pflash01,property=secure,value=on \
--m size=1048576k \
--object '{"qom-type":"memory-backend-ram","id":"pc.ram","size":1073741824}' \
--overcommit mem-lock=off \
--smp 1,sockets=1,cores=1,threads=1 \
--uuid 63840878-0deb-4095-97e6-fc444d9bc9fa \
--display none \
--no-user-config \
--nodefaults \
--chardev socket,id=charmonitor,fd=1729,server=on,wait=off \
--mon chardev=charmonitor,id=monitor,mode=control \
--rtc base=utc \
--no-shutdown \
--boot strict=on \
--audiodev '{"id":"audio1","driver":"none"}' \
--global ICH9-LPC.noreboot=off \
--watchdog-action reset \
--sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny \
--msg timestamp=on
diff --git a/tests/qemuxml2argvdata/firmware-auto-efi-rw-abi-update.x86_64-latest.err b/tests/qemuxml2argvdata/firmware-auto-efi-rw-abi-update.x86_64-latest.err
new file mode 100644
index 0000000000..4cfde1bd2e
--- /dev/null
+++ b/tests/qemuxml2argvdata/firmware-auto-efi-rw-abi-update.x86_64-latest.err
@@ -0,0 +1 @@
+operation failed: Unable to find any firmware to satisfy 'efi'
diff --git a/tests/qemuxml2argvdata/firmware-auto-efi-rw.x86_64-latest.args b/tests/qemuxml2argvdata/firmware-auto-efi-rw.x86_64-latest.args
deleted file mode 100644
index 48f357cbf9..0000000000
--- a/tests/qemuxml2argvdata/firmware-auto-efi-rw.x86_64-latest.args
+++ /dev/null
@@ -1,38 +0,0 @@
-LC_ALL=C \
-PATH=/bin \
-HOME=/var/lib/libvirt/qemu/domain--1-guest \
-USER=test \
-LOGNAME=test \
-XDG_DATA_HOME=/var/lib/libvirt/qemu/domain--1-guest/.local/share \
-XDG_CACHE_HOME=/var/lib/libvirt/qemu/domain--1-guest/.cache \
-XDG_CONFIG_HOME=/var/lib/libvirt/qemu/domain--1-guest/.config \
-/usr/bin/qemu-system-x86_64 \
--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/edk2/ovmf/OVMF_CODE.secboot.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 pc-q35-4.0,usb=off,smm=on,dump-guest-core=off,memory-backend=pc.ram,pflash0=libvirt-pflash0-format,pflash1=libvirt-pflash1-format,acpi=on \
--accel kvm \
--cpu qemu64 \
--global driver=cfi.pflash01,property=secure,value=on \
--m size=1048576k \
--object '{"qom-type":"memory-backend-ram","id":"pc.ram","size":1073741824}' \
--overcommit mem-lock=off \
--smp 1,sockets=1,cores=1,threads=1 \
--uuid 63840878-0deb-4095-97e6-fc444d9bc9fa \
--display none \
--no-user-config \
--nodefaults \
--chardev socket,id=charmonitor,fd=1729,server=on,wait=off \
--mon chardev=charmonitor,id=monitor,mode=control \
--rtc base=utc \
--no-shutdown \
--boot strict=on \
--audiodev '{"id":"audio1","driver":"none"}' \
--global ICH9-LPC.noreboot=off \
--watchdog-action reset \
--sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny \
--msg timestamp=on
diff --git a/tests/qemuxml2argvdata/firmware-auto-efi-rw.x86_64-latest.err b/tests/qemuxml2argvdata/firmware-auto-efi-rw.x86_64-latest.err
new file mode 100644
index 0000000000..4cfde1bd2e
--- /dev/null
+++ b/tests/qemuxml2argvdata/firmware-auto-efi-rw.x86_64-latest.err
@@ -0,0 +1 @@
+operation failed: Unable to find any firmware to satisfy 'efi'
diff --git a/tests/qemuxml2argvdata/firmware-manual-efi-rw-legacy-paths.x86_64-latest.args b/tests/qemuxml2argvdata/firmware-manual-efi-rw-legacy-paths.x86_64-latest.args
index ccc279e4e3..85495da6f5 100644
--- a/tests/qemuxml2argvdata/firmware-manual-efi-rw-legacy-paths.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/firmware-manual-efi-rw-legacy-paths.x86_64-latest.args
@@ -11,10 +11,8 @@ XDG_CONFIG_HOME=/var/lib/libvirt/qemu/domain--1-guest/.config \
 -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/OVMF/OVMF_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 pc-q35-4.0,usb=off,dump-guest-core=off,memory-backend=pc.ram,pflash0=libvirt-pflash0-format,pflash1=libvirt-pflash1-format,acpi=on \
+-blockdev '{"node-name":"libvirt-pflash0-format","read-only":false,"driver":"raw","file":"libvirt-pflash0-storage"}' \
+-machine pc-q35-4.0,usb=off,dump-guest-core=off,memory-backend=pc.ram,pflash0=libvirt-pflash0-format,acpi=on \
 -accel tcg \
 -cpu qemu64 \
 -m size=1048576k \
diff --git a/tests/qemuxml2argvdata/firmware-manual-efi-rw-modern-paths.x86_64-latest.args b/tests/qemuxml2argvdata/firmware-manual-efi-rw-modern-paths.x86_64-latest.args
index 2d45fa4792..c26daad29f 100644
--- a/tests/qemuxml2argvdata/firmware-manual-efi-rw-modern-paths.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/firmware-manual-efi-rw-modern-paths.x86_64-latest.args
@@ -11,10 +11,8 @@ XDG_CONFIG_HOME=/var/lib/libvirt/qemu/domain--1-guest/.config \
 -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/edk2/ovmf/OVMF_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 pc-q35-4.0,usb=off,dump-guest-core=off,memory-backend=pc.ram,pflash0=libvirt-pflash0-format,pflash1=libvirt-pflash1-format,acpi=on \
+-blockdev '{"node-name":"libvirt-pflash0-format","read-only":false,"driver":"raw","file":"libvirt-pflash0-storage"}' \
+-machine pc-q35-4.0,usb=off,dump-guest-core=off,memory-backend=pc.ram,pflash0=libvirt-pflash0-format,acpi=on \
 -accel tcg \
 -cpu qemu64 \
 -m size=1048576k \
diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
index ea38d03ec4..1436e3724c 100644
--- a/tests/qemuxml2argvtest.c
+++ b/tests/qemuxml2argvtest.c
@@ -1087,8 +1087,8 @@ mymain(void)
     DO_TEST_CAPS_LATEST("firmware-auto-efi");
     DO_TEST_CAPS_LATEST_ABI_UPDATE("firmware-auto-efi-abi-update");
     DO_TEST_CAPS_LATEST("firmware-auto-efi-stateless");
-    DO_TEST_CAPS_LATEST("firmware-auto-efi-rw");
-    DO_TEST_CAPS_LATEST_ABI_UPDATE("firmware-auto-efi-rw-abi-update");
+    DO_TEST_CAPS_LATEST_FAILURE("firmware-auto-efi-rw");
+    DO_TEST_CAPS_LATEST_ABI_UPDATE_PARSE_ERROR("firmware-auto-efi-rw-abi-update");
     DO_TEST_CAPS_LATEST("firmware-auto-efi-loader-secure");
     DO_TEST_CAPS_LATEST_ABI_UPDATE("firmware-auto-efi-loader-secure-abi-update");
     DO_TEST_CAPS_LATEST("firmware-auto-efi-loader-insecure");
diff --git a/tests/qemuxml2xmloutdata/firmware-auto-efi-rw-abi-update.x86_64-latest.xml b/tests/qemuxml2xmloutdata/firmware-auto-efi-rw-abi-update.x86_64-latest.xml
deleted file mode 100644
index 332d931ba1..0000000000
--- a/tests/qemuxml2xmloutdata/firmware-auto-efi-rw-abi-update.x86_64-latest.xml
+++ /dev/null
@@ -1,41 +0,0 @@
-<domain type='kvm'>
-  <name>guest</name>
-  <uuid>63840878-0deb-4095-97e6-fc444d9bc9fa</uuid>
-  <memory unit='KiB'>1048576</memory>
-  <currentMemory unit='KiB'>1048576</currentMemory>
-  <vcpu placement='static'>1</vcpu>
-  <os firmware='efi'>
-    <type arch='x86_64' machine='pc-q35-4.0'>hvm</type>
-    <firmware>
-      <feature enabled='yes' name='enrolled-keys'/>
-      <feature enabled='yes' name='secure-boot'/>
-    </firmware>
-    <loader readonly='yes' secure='yes' type='pflash'>/usr/share/edk2/ovmf/OVMF_CODE.secboot.fd</loader>
-    <nvram template='/usr/share/edk2/ovmf/OVMF_VARS.secboot.fd'>/var/lib/libvirt/qemu/nvram/guest_VARS.fd</nvram>
-    <boot dev='hd'/>
-  </os>
-  <features>
-    <acpi/>
-    <smm state='on'/>
-  </features>
-  <cpu mode='custom' match='exact' check='none'>
-    <model fallback='forbid'>qemu64</model>
-  </cpu>
-  <clock offset='utc'/>
-  <on_poweroff>destroy</on_poweroff>
-  <on_reboot>restart</on_reboot>
-  <on_crash>destroy</on_crash>
-  <devices>
-    <emulator>/usr/bin/qemu-system-x86_64</emulator>
-    <controller type='usb' index='0' model='none'/>
-    <controller type='sata' index='0'>
-      <address type='pci' domain='0x0000' bus='0x00' slot='0x1f' function='0x2'/>
-    </controller>
-    <controller type='pci' index='0' model='pcie-root'/>
-    <input type='mouse' bus='ps2'/>
-    <input type='keyboard' bus='ps2'/>
-    <audio id='1' type='none'/>
-    <watchdog model='itco' action='reset'/>
-    <memballoon model='none'/>
-  </devices>
-</domain>
diff --git a/tests/qemuxml2xmloutdata/firmware-auto-efi-rw.x86_64-latest.xml b/tests/qemuxml2xmloutdata/firmware-auto-efi-rw.x86_64-latest.xml
index 332d931ba1..c2d0c33a0b 100644
--- a/tests/qemuxml2xmloutdata/firmware-auto-efi-rw.x86_64-latest.xml
+++ b/tests/qemuxml2xmloutdata/firmware-auto-efi-rw.x86_64-latest.xml
@@ -6,17 +6,11 @@
   <vcpu placement='static'>1</vcpu>
   <os firmware='efi'>
     <type arch='x86_64' machine='pc-q35-4.0'>hvm</type>
-    <firmware>
-      <feature enabled='yes' name='enrolled-keys'/>
-      <feature enabled='yes' name='secure-boot'/>
-    </firmware>
-    <loader readonly='yes' secure='yes' type='pflash'>/usr/share/edk2/ovmf/OVMF_CODE.secboot.fd</loader>
-    <nvram template='/usr/share/edk2/ovmf/OVMF_VARS.secboot.fd'>/var/lib/libvirt/qemu/nvram/guest_VARS.fd</nvram>
+    <loader readonly='no'/>
     <boot dev='hd'/>
   </os>
   <features>
     <acpi/>
-    <smm state='on'/>
   </features>
   <cpu mode='custom' match='exact' check='none'>
     <model fallback='forbid'>qemu64</model>
diff --git a/tests/qemuxml2xmloutdata/firmware-manual-efi-rw-legacy-paths.x86_64-latest.xml b/tests/qemuxml2xmloutdata/firmware-manual-efi-rw-legacy-paths.x86_64-latest.xml
index cfd7a6824f..c5baedc42c 100644
--- a/tests/qemuxml2xmloutdata/firmware-manual-efi-rw-legacy-paths.x86_64-latest.xml
+++ b/tests/qemuxml2xmloutdata/firmware-manual-efi-rw-legacy-paths.x86_64-latest.xml
@@ -6,8 +6,7 @@
   <vcpu placement='static'>1</vcpu>
   <os>
     <type arch='x86_64' machine='pc-q35-4.0'>hvm</type>
-    <loader readonly='yes' type='pflash'>/usr/share/OVMF/OVMF_CODE.fd</loader>
-    <nvram template='/usr/share/OVMF/OVMF_VARS.fd'>/var/lib/libvirt/qemu/nvram/guest_VARS.fd</nvram>
+    <loader readonly='no' type='pflash'>/usr/share/OVMF/OVMF_CODE.fd</loader>
     <boot dev='hd'/>
   </os>
   <features>
diff --git a/tests/qemuxml2xmloutdata/firmware-manual-efi-rw-modern-paths.x86_64-latest.xml b/tests/qemuxml2xmloutdata/firmware-manual-efi-rw-modern-paths.x86_64-latest.xml
index 468ca022ef..0d755a4306 100644
--- a/tests/qemuxml2xmloutdata/firmware-manual-efi-rw-modern-paths.x86_64-latest.xml
+++ b/tests/qemuxml2xmloutdata/firmware-manual-efi-rw-modern-paths.x86_64-latest.xml
@@ -4,14 +4,9 @@
   <memory unit='KiB'>1048576</memory>
   <currentMemory unit='KiB'>1048576</currentMemory>
   <vcpu placement='static'>1</vcpu>
-  <os firmware='efi'>
+  <os>
     <type arch='x86_64' machine='pc-q35-4.0'>hvm</type>
-    <firmware>
-      <feature enabled='no' name='enrolled-keys'/>
-      <feature enabled='no' name='secure-boot'/>
-    </firmware>
-    <loader readonly='yes' type='pflash'>/usr/share/edk2/ovmf/OVMF_CODE.fd</loader>
-    <nvram template='/usr/share/edk2/ovmf/OVMF_VARS.fd'>/var/lib/libvirt/qemu/nvram/guest_VARS.fd</nvram>
+    <loader readonly='no' type='pflash'>/usr/share/edk2/ovmf/OVMF_CODE.fd</loader>
     <boot dev='hd'/>
   </os>
   <features>
diff --git a/tests/qemuxml2xmltest.c b/tests/qemuxml2xmltest.c
index 51bae454ec..b378ce0f98 100644
--- a/tests/qemuxml2xmltest.c
+++ b/tests/qemuxml2xmltest.c
@@ -901,7 +901,6 @@ mymain(void)
     DO_TEST_CAPS_LATEST_ABI_UPDATE("firmware-auto-efi-abi-update");
     DO_TEST_CAPS_LATEST("firmware-auto-efi-stateless");
     DO_TEST_CAPS_LATEST("firmware-auto-efi-rw");
-    DO_TEST_CAPS_LATEST_ABI_UPDATE("firmware-auto-efi-rw-abi-update");
     DO_TEST_CAPS_LATEST("firmware-auto-efi-loader-secure");
     DO_TEST_CAPS_LATEST_ABI_UPDATE("firmware-auto-efi-loader-secure-abi-update");
     DO_TEST_CAPS_LATEST("firmware-auto-efi-loader-insecure");
-- 
2.41.0




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