From e063707556f53bc22e5c215acb71aba9f265bfa2 Mon Sep 17 00:00:00 2001
From: Cole Robinson
Date: Thu, 17 Jan 2019 12:52:35 -0500
Subject: [PATCH] qemu: Support rng model=virtio-{non-}transitional
Add new model values for virtio transitional devices. Ex:
...
* "virtio-transitional" maps to qemu "virtio-rng-pci-transitional"
* "virtio-non-transitional" maps to qemu "virtio-rng-pci-non-transitional"
Reviewed-by: Andrea Bolognani
Signed-off-by: Cole Robinson
---
docs/formatdomain.html.in | 4 ++++
docs/schemas/domaincommon.rng | 6 +++++-
src/conf/domain_conf.c | 5 ++++-
src/conf/domain_conf.h | 2 ++
src/qemu/qemu_command.c | 6 +++++-
src/qemu/qemu_domain.c | 6 ++++++
src/qemu/qemu_domain_address.c | 4 ++++
.../virtio-non-transitional.x86_64-3.1.0.args | 4 ++++
.../virtio-non-transitional.x86_64-latest.args | 3 +++
tests/qemuxml2argvdata/virtio-non-transitional.xml | 3 +++
.../virtio-transitional.x86_64-3.1.0.args | 3 +++
.../virtio-transitional.x86_64-latest.args | 2 ++
tests/qemuxml2argvdata/virtio-transitional.xml | 3 +++
tests/qemuxml2xmloutdata/virtio-non-transitional.xml | 9 +++++++++
tests/qemuxml2xmloutdata/virtio-transitional.xml | 4 ++++
tests/qemuxml2xmltest.c | 2 ++
16 files changed, 63 insertions(+), 3 deletions(-)
diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in
index b8704d4d59..16ceae6e2b 100644
--- a/docs/formatdomain.html.in
+++ b/docs/formatdomain.html.in
@@ -8027,7 +8027,11 @@ qemu-kvm -net nic,model=? /dev/null
- 'virtio' - supported by qemu and virtio-rng kernel module
+ - 'virtio-transitional' Since 5.2.0
+ - 'virtio-non-transitional' Since 5.2.0
+ See Virtio transitional devices
+ for more details.
rate
diff --git a/docs/schemas/domaincommon.rng b/docs/schemas/domaincommon.rng
index 0e406d81ea..b0ea8a0113 100644
--- a/docs/schemas/domaincommon.rng
+++ b/docs/schemas/domaincommon.rng
@@ -5469,7 +5469,11 @@
- virtio
+
+ virtio
+ virtio-transitional
+ virtio-non-transitional
+
diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 0e5cc946e1..0b818fd8d5 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -953,7 +953,10 @@ VIR_ENUM_IMPL(virDomainDiskTray, VIR_DOMAIN_DISK_TRAY_LAST,
VIR_ENUM_IMPL(virDomainRNGModel,
VIR_DOMAIN_RNG_MODEL_LAST,
- "virtio");
+ "virtio",
+ "virtio-transitional",
+ "virtio-non-transitional",
+);
VIR_ENUM_IMPL(virDomainRNGBackend,
VIR_DOMAIN_RNG_BACKEND_LAST,
diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
index 552d3adb5b..37cc4c775c 100644
--- a/src/conf/domain_conf.h
+++ b/src/conf/domain_conf.h
@@ -2141,6 +2141,8 @@ struct _virBlkioDevice {
typedef enum {
VIR_DOMAIN_RNG_MODEL_VIRTIO,
+ VIR_DOMAIN_RNG_MODEL_VIRTIO_TRANSITIONAL,
+ VIR_DOMAIN_RNG_MODEL_VIRTIO_NON_TRANSITIONAL,
VIR_DOMAIN_RNG_MODEL_LAST
} virDomainRNGModel;
diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index d4dd3b2871..b1708b7f06 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -492,6 +492,11 @@ qemuBuildVirtioDevStr(virBufferPtr buf,
has_ntmodel = device.data.hostdev->source.subsys.u.scsi_host.model == VIR_DOMAIN_HOSTDEV_SUBSYS_SCSI_VHOST_MODEL_TYPE_VIRTIO_NON_TRANSITIONAL;
break;
+ case VIR_DOMAIN_DEVICE_RNG:
+ has_tmodel = device.data.rng->model == VIR_DOMAIN_RNG_MODEL_VIRTIO_TRANSITIONAL;
+ has_ntmodel = device.data.rng->model == VIR_DOMAIN_RNG_MODEL_VIRTIO_NON_TRANSITIONAL;
+ break;
+
case VIR_DOMAIN_DEVICE_LEASE:
case VIR_DOMAIN_DEVICE_FS:
case VIR_DOMAIN_DEVICE_INPUT:
@@ -510,7 +515,6 @@ qemuBuildVirtioDevStr(virBufferPtr buf,
case VIR_DOMAIN_DEVICE_SHMEM:
case VIR_DOMAIN_DEVICE_TPM:
case VIR_DOMAIN_DEVICE_PANIC:
- case VIR_DOMAIN_DEVICE_RNG:
case VIR_DOMAIN_DEVICE_MEMORY:
case VIR_DOMAIN_DEVICE_IOMMU:
case VIR_DOMAIN_DEVICE_VSOCK:
diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index 690a57521e..70aa0346e2 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -4540,6 +4540,12 @@ qemuDomainRNGDefValidate(const virDomainRNGDef *def,
modelIsSupported = virQEMUCapsGet(qemuCaps,
QEMU_CAPS_DEVICE_VIRTIO_RNG);
break;
+ case VIR_DOMAIN_RNG_MODEL_VIRTIO_TRANSITIONAL:
+ case VIR_DOMAIN_RNG_MODEL_VIRTIO_NON_TRANSITIONAL:
+ modelIsSupported = (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_VIRTIO_RNG) &&
+ (virQEMUCapsGet(qemuCaps, QEMU_CAPS_VIRTIO_PCI_TRANSITIONAL) ||
+ virQEMUCapsGet(qemuCaps, QEMU_CAPS_VIRTIO_PCI_DISABLE_LEGACY)));
+ break;
case VIR_DOMAIN_RNG_MODEL_LAST:
break;
}
diff --git a/src/qemu/qemu_domain_address.c b/src/qemu/qemu_domain_address.c
index 5dcc7b4d6b..e097356327 100644
--- a/src/qemu/qemu_domain_address.c
+++ b/src/qemu/qemu_domain_address.c
@@ -878,7 +878,11 @@ qemuDomainDeviceCalculatePCIConnectFlags(virDomainDeviceDefPtr dev,
case VIR_DOMAIN_DEVICE_RNG:
switch ((virDomainRNGModel) dev->data.rng->model) {
+ case VIR_DOMAIN_RNG_MODEL_VIRTIO_TRANSITIONAL:
+ /* Transitional devices only work in conventional PCI slots */
+ return pciFlags;
case VIR_DOMAIN_RNG_MODEL_VIRTIO:
+ case VIR_DOMAIN_RNG_MODEL_VIRTIO_NON_TRANSITIONAL:
return virtioFlags;
case VIR_DOMAIN_RNG_MODEL_LAST:
diff --git a/tests/qemuxml2argvdata/virtio-non-transitional.x86_64-3.1.0.args b/tests/qemuxml2argvdata/virtio-non-transitional.x86_64-3.1.0.args
index 500c03bdc3..10cc6236cb 100644
--- a/tests/qemuxml2argvdata/virtio-non-transitional.x86_64-3.1.0.args
+++ b/tests/qemuxml2argvdata/virtio-non-transitional.x86_64-3.1.0.args
@@ -28,6 +28,7 @@ addr=0x1 \
-device pcie-root-port,port=0x9,chassis=2,id=pci.2,bus=pcie.0,addr=0x1.0x1 \
-device pcie-root-port,port=0xa,chassis=3,id=pci.3,bus=pcie.0,addr=0x1.0x2 \
-device pcie-root-port,port=0xb,chassis=4,id=pci.4,bus=pcie.0,addr=0x1.0x3 \
+-device pcie-root-port,port=0xc,chassis=5,id=pci.5,bus=pcie.0,addr=0x1.0x4 \
-drive file=/dev/HostVG/QEMUGuest1,format=raw,if=none,id=drive-virtio-disk0 \
-device virtio-blk-pci,disable-legacy=on,disable-modern=off,scsi=off,bus=pci.2,\
addr=0x0,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1 \
@@ -36,6 +37,9 @@ addr=0x0,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1 \
id=net0,mac=00:11:22:33:44:55,bus=pci.1,addr=0x0 \
-device vhost-scsi-pci,disable-legacy=on,disable-modern=off,\
wwpn=naa.5123456789abcde0,vhostfd=3,id=hostdev0,bus=pci.3,addr=0x0 \
+-object rng-random,id=objrng0,filename=/dev/urandom \
+-device virtio-rng-pci,disable-legacy=on,disable-modern=off,rng=objrng0,\
+id=rng0,bus=pci.4,addr=0x0 \
-sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\
resourcecontrol=deny \
-msg timestamp=on
diff --git a/tests/qemuxml2argvdata/virtio-non-transitional.x86_64-latest.args b/tests/qemuxml2argvdata/virtio-non-transitional.x86_64-latest.args
index c8dbffda65..a0fc475c2f 100644
--- a/tests/qemuxml2argvdata/virtio-non-transitional.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/virtio-non-transitional.x86_64-latest.args
@@ -28,6 +28,7 @@ addr=0x1 \
-device pcie-root-port,port=0x9,chassis=2,id=pci.2,bus=pcie.0,addr=0x1.0x1 \
-device pcie-root-port,port=0xa,chassis=3,id=pci.3,bus=pcie.0,addr=0x1.0x2 \
-device pcie-root-port,port=0xb,chassis=4,id=pci.4,bus=pcie.0,addr=0x1.0x3 \
+-device pcie-root-port,port=0xc,chassis=5,id=pci.5,bus=pcie.0,addr=0x1.0x4 \
-drive file=/dev/HostVG/QEMUGuest1,format=raw,if=none,id=drive-virtio-disk0 \
-device virtio-blk-pci-non-transitional,scsi=off,bus=pci.2,addr=0x0,\
drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1 \
@@ -36,6 +37,8 @@ drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1 \
mac=00:11:22:33:44:55,bus=pci.1,addr=0x0 \
-device vhost-scsi-pci-non-transitional,wwpn=naa.5123456789abcde0,vhostfd=3,\
id=hostdev0,bus=pci.3,addr=0x0 \
+-object rng-random,id=objrng0,filename=/dev/urandom \
+-device virtio-rng-pci-non-transitional,rng=objrng0,id=rng0,bus=pci.4,addr=0x0 \
-sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\
resourcecontrol=deny \
-msg timestamp=on
diff --git a/tests/qemuxml2argvdata/virtio-non-transitional.xml b/tests/qemuxml2argvdata/virtio-non-transitional.xml
index 14ff02ace6..74760e75bc 100644
--- a/tests/qemuxml2argvdata/virtio-non-transitional.xml
+++ b/tests/qemuxml2argvdata/virtio-non-transitional.xml
@@ -18,6 +18,9 @@
+
+ /dev/urandom
+
diff --git a/tests/qemuxml2argvdata/virtio-transitional.x86_64-3.1.0.args b/tests/qemuxml2argvdata/virtio-transitional.x86_64-3.1.0.args
index d4d2b8ec35..b21a6cadd4 100644
--- a/tests/qemuxml2argvdata/virtio-transitional.x86_64-3.1.0.args
+++ b/tests/qemuxml2argvdata/virtio-transitional.x86_64-3.1.0.args
@@ -35,6 +35,9 @@ bus=pci.2,addr=0x2,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1 \
id=net0,mac=00:11:22:33:44:55,bus=pci.2,addr=0x1 \
-device vhost-scsi-pci,disable-legacy=off,disable-modern=off,\
wwpn=naa.5123456789abcde0,vhostfd=3,id=hostdev0,bus=pci.2,addr=0x3 \
+-object rng-random,id=objrng0,filename=/dev/urandom \
+-device virtio-rng-pci,disable-legacy=off,disable-modern=off,rng=objrng0,\
+id=rng0,bus=pci.2,addr=0x4 \
-sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\
resourcecontrol=deny \
-msg timestamp=on
diff --git a/tests/qemuxml2argvdata/virtio-transitional.x86_64-latest.args b/tests/qemuxml2argvdata/virtio-transitional.x86_64-latest.args
index ab2c35514d..64fb4153fd 100644
--- a/tests/qemuxml2argvdata/virtio-transitional.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/virtio-transitional.x86_64-latest.args
@@ -35,6 +35,8 @@ drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1 \
mac=00:11:22:33:44:55,bus=pci.2,addr=0x1 \
-device vhost-scsi-pci-transitional,wwpn=naa.5123456789abcde0,vhostfd=3,\
id=hostdev0,bus=pci.2,addr=0x3 \
+-object rng-random,id=objrng0,filename=/dev/urandom \
+-device virtio-rng-pci-transitional,rng=objrng0,id=rng0,bus=pci.2,addr=0x4 \
-sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\
resourcecontrol=deny \
-msg timestamp=on
diff --git a/tests/qemuxml2argvdata/virtio-transitional.xml b/tests/qemuxml2argvdata/virtio-transitional.xml
index 3149803171..fa60016235 100644
--- a/tests/qemuxml2argvdata/virtio-transitional.xml
+++ b/tests/qemuxml2argvdata/virtio-transitional.xml
@@ -18,6 +18,9 @@
+
+ /dev/urandom
+
diff --git a/tests/qemuxml2xmloutdata/virtio-non-transitional.xml b/tests/qemuxml2xmloutdata/virtio-non-transitional.xml
index 2af5195dfd..4a315050ab 100644
--- a/tests/qemuxml2xmloutdata/virtio-non-transitional.xml
+++ b/tests/qemuxml2xmloutdata/virtio-non-transitional.xml
@@ -45,6 +45,11 @@
+
+
+
+
+
@@ -57,5 +62,9 @@
+
+ /dev/urandom
+
+
diff --git a/tests/qemuxml2xmloutdata/virtio-transitional.xml b/tests/qemuxml2xmloutdata/virtio-transitional.xml
index 8c1baced0e..ae3789ad93 100644
--- a/tests/qemuxml2xmloutdata/virtio-transitional.xml
+++ b/tests/qemuxml2xmloutdata/virtio-transitional.xml
@@ -51,5 +51,9 @@
+
+ /dev/urandom
+
+
diff --git a/tests/qemuxml2xmltest.c b/tests/qemuxml2xmltest.c
index 15f0ccffb1..b99f2d7583 100644
--- a/tests/qemuxml2xmltest.c
+++ b/tests/qemuxml2xmltest.c
@@ -1258,11 +1258,13 @@ mymain(void)
QEMU_CAPS_DEVICE_VIDEO_PRIMARY,
QEMU_CAPS_DEVICE_PCIE_PCI_BRIDGE,
QEMU_CAPS_DEVICE_PCIE_ROOT_PORT,
+ QEMU_CAPS_DEVICE_VIRTIO_RNG,
QEMU_CAPS_VIRTIO_PCI_DISABLE_LEGACY);
DO_TEST("virtio-non-transitional",
QEMU_CAPS_DEVICE_VIDEO_PRIMARY,
QEMU_CAPS_DEVICE_PCIE_PCI_BRIDGE,
QEMU_CAPS_DEVICE_PCIE_ROOT_PORT,
+ QEMU_CAPS_DEVICE_VIRTIO_RNG,
QEMU_CAPS_VIRTIO_PCI_DISABLE_LEGACY);
if (getenv("LIBVIRT_SKIP_CLEANUP") == NULL)
--
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