qemu: add RISC-V 'aia' command line

The 'aia' feature is added as a machine type option for the 'virt'
RISC-V machine, e.g. "-machine virt,aia=<val>".

Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>

src/qemu/qemu_command.c

@@ -6741,6 +6741,11 @@ qemuAppendDomainFeaturesMachineParam(virBuffer *buf,
         virBufferAsprintf(buf, ",i8042=%s", str);
     }
 
+    if (def->features[VIR_DOMAIN_FEATURE_AIA] != VIR_DOMAIN_AIA_DEFAULT) {
+        const char *str = virDomainAIATypeToString(def->features[VIR_DOMAIN_FEATURE_AIA]);
+        virBufferAsprintf(buf, ",aia=%s", str);
+    }
+
     return 0;
 }
 

tests/qemuxmlconfdata/riscv64-virt-features-aia.riscv64-latest.args

@@ -0,0 +1,31 @@
+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-riscv64 \
+-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"}' \
+-machine virt,usb=off,aia=none,dump-guest-core=off,memory-backend=riscv_virt_board.ram,acpi=off \
+-accel tcg \
+-cpu rv64 \
+-m size=4194304k \
+-object '{"qom-type":"memory-backend-ram","id":"riscv_virt_board.ram","size":4294967296}' \
+-overcommit mem-lock=off \
+-smp 4,sockets=4,cores=1,threads=1 \
+-uuid 1ccfd97d-5eb4-478a-bbe6-88d254c16db7 \
+-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"}' \
+-sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny \
+-msg timestamp=on

tests/qemuxmlconfdata/riscv64-virt-features-aia.riscv64-latest.xml

@@ -0,0 +1 @@
+riscv64-virt-features-aia.xml

tests/qemuxmlconfdata/riscv64-virt-features-aia.xml

@@ -0,0 +1,27 @@
+<domain type='qemu'>
+  <name>guest</name>
+  <uuid>1ccfd97d-5eb4-478a-bbe6-88d254c16db7</uuid>
+  <memory unit='KiB'>4194304</memory>
+  <currentMemory unit='KiB'>4194304</currentMemory>
+  <vcpu placement='static'>4</vcpu>
+  <os>
+    <type arch='riscv64' machine='virt'>hvm</type>
+    <boot dev='hd'/>
+  </os>
+  <features>
+    <aia value='none'/>
+  </features>
+  <cpu mode='custom' match='exact' check='none'>
+    <model fallback='forbid'>rv64</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-riscv64</emulator>
+    <controller type='pci' index='0' model='pcie-root'/>
+    <audio id='1' type='none'/>
+    <memballoon model='none'/>
+  </devices>
+</domain>

tests/qemuxmlconftest.c

@@ -2930,6 +2930,8 @@ mymain(void)
     DO_TEST_CAPS_ARCH_LATEST("x86_64-default-cpu-tcg-q35-4.2", "x86_64");
     DO_TEST_CAPS_ARCH_LATEST("x86_64-default-cpu-tcg-features", "x86_64");
 
+    DO_TEST_CAPS_ARCH_LATEST("riscv64-virt-features-aia", "riscv64");
+
     DO_TEST_CAPS_LATEST("virtio-9p-multidevs");
     DO_TEST_CAPS_LATEST("virtio-9p-createmode");