Add new <interface> model handling for virtio transitional devices. Ex:
<interface>
<model type='virtio-transitional'/>
</interface>
* "virtio-transitional" maps to qemu "virtio-net-pci-transitional"
* "virtio-non-transitional" maps to qemu "virtio-net-pci-non-transitional"
Signed-off-by: Cole Robinson <crobinso@redhat.com>
(cherry picked from commit b6698b81846e2010e0cc030bcd6c2c549cf04e97)
---
src/conf/domain_conf.c | 4 +++-
src/qemu/qemu_capabilities.c | 6 ++++++
src/qemu/qemu_capabilities.h | 4 ++++
src/qemu/qemu_command.c | 17 +++++++++++++----
src/qemu/qemu_domain_address.c | 8 ++++++--
.../qemucapabilitiesdata/caps_4.0.0.x86_64.xml | 2 ++
.../virtio-non-transitional.x86_64-3.1.0.args | 6 +++++-
.../virtio-non-transitional.x86_64-latest.args | 6 +++++-
.../virtio-non-transitional.xml | 4 ++++
.../virtio-transitional.x86_64-3.1.0.args | 5 ++++-
.../virtio-transitional.x86_64-latest.args | 5 ++++-
tests/qemuxml2argvdata/virtio-transitional.xml | 4 ++++
.../virtio-non-transitional.xml | 12 +++++++++++-
.../qemuxml2xmloutdata/virtio-transitional.xml | 7 ++++++-
14 files changed, 77 insertions(+), 13 deletions(-)
diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 4fc33c7e2f..9c68e41765 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -29735,7 +29735,9 @@ virDomainNetGetActualTrustGuestRxFilters(virDomainNetDefPtr iface)
bool
virDomainNetHasVirtioModel(const virDomainNetDef *iface)
{
- return STREQ_NULLABLE(iface->model, "virtio");
+ return (STREQ_NULLABLE(iface->model, "virtio") ||
+ STREQ_NULLABLE(iface->model, "virtio-transitional") ||
+ STREQ_NULLABLE(iface->model, "virtio-non-transitional"));
}
diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index b7c0387f8e..44c4b890b9 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -522,6 +522,10 @@ VIR_ENUM_IMPL(virQEMUCaps, QEMU_CAPS_LAST,
"nvdimm.unarmed",
"virtio-blk-pci-transitional",
"virtio-blk-pci-non-transitional",
+ "virtio-net-pci-transitional",
+
+ /* 330 */
+ "virtio-net-pci-non-transitional",
);
@@ -1112,6 +1116,8 @@ struct virQEMUCapsStringFlags virQEMUCapsObjectTypes[] = {
{ "memory-backend-memfd", QEMU_CAPS_OBJECT_MEMORY_MEMFD },
{"virtio-blk-pci-transitional", QEMU_CAPS_DEVICE_VIRTIO_BLK_TRANSITIONAL},
{"virtio-blk-pci-non-transitional", QEMU_CAPS_DEVICE_VIRTIO_BLK_NON_TRANSITIONAL},
+ {"virtio-net-pci-transitional", QEMU_CAPS_DEVICE_VIRTIO_NET_TRANSITIONAL},
+ {"virtio-net-pci-non-transitional", QEMU_CAPS_DEVICE_VIRTIO_NET_NON_TRANSITIONAL},
};
static struct virQEMUCapsStringFlags virQEMUCapsDevicePropsVirtioBalloon[] = {
diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h
index 34265d7cc0..1a92c00575 100644
--- a/src/qemu/qemu_capabilities.h
+++ b/src/qemu/qemu_capabilities.h
@@ -506,6 +506,10 @@ typedef enum { /* virQEMUCapsFlags grouping marker for syntax-check */
QEMU_CAPS_DEVICE_NVDIMM_UNARMED, /* -device nvdimm,unarmed= */
QEMU_CAPS_DEVICE_VIRTIO_BLK_TRANSITIONAL, /* -device virtio-blk-pci-transitional */
QEMU_CAPS_DEVICE_VIRTIO_BLK_NON_TRANSITIONAL, /* -device virtio-blk-pci-non-transitional */
+ QEMU_CAPS_DEVICE_VIRTIO_NET_TRANSITIONAL, /* -device virtio-net-pci-transitional */
+
+ /* 330 */
+ QEMU_CAPS_DEVICE_VIRTIO_NET_NON_TRANSITIONAL, /* -device virtio-net-pci-non-transitional */
QEMU_CAPS_LAST /* this must always be the last item */
} virQEMUCapsFlags;
diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 608cd65806..d3b74211b7 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -449,6 +449,7 @@ qemuBuildVirtioTransitional(virBufferPtr buf,
virQEMUCapsPtr qemuCaps,
virDomainDeviceAddressType type,
int model,
+ const char *modelstr,
virDomainDeviceType devtype)
{
int tmodel_cap, ntmodel_cap;
@@ -464,10 +465,15 @@ qemuBuildVirtioTransitional(virBufferPtr buf,
tmodel_cap = QEMU_CAPS_DEVICE_VIRTIO_BLK_TRANSITIONAL;
ntmodel_cap = QEMU_CAPS_DEVICE_VIRTIO_BLK_NON_TRANSITIONAL;
break;
+ case VIR_DOMAIN_DEVICE_NET:
+ has_tmodel = STREQ(modelstr, "virtio-transitional");
+ has_ntmodel = STREQ(modelstr, "virtio-non-transitional");
+ tmodel_cap = QEMU_CAPS_DEVICE_VIRTIO_NET_TRANSITIONAL;
+ ntmodel_cap = QEMU_CAPS_DEVICE_VIRTIO_NET_NON_TRANSITIONAL;
+ break;
case VIR_DOMAIN_DEVICE_LEASE:
case VIR_DOMAIN_DEVICE_FS:
- case VIR_DOMAIN_DEVICE_NET:
case VIR_DOMAIN_DEVICE_INPUT:
case VIR_DOMAIN_DEVICE_SOUND:
case VIR_DOMAIN_DEVICE_VIDEO:
@@ -2136,7 +2142,7 @@ qemuBuildDiskDeviceStr(const virDomainDef *def,
case VIR_DOMAIN_DISK_BUS_VIRTIO:
if (qemuBuildVirtioTransitional(&opt, "virtio-blk", qemuCaps,
disk->info.type,
- disk->model,
+ disk->model, NULL,
VIR_DOMAIN_DEVICE_DISK) < 0)
goto error;
@@ -3741,8 +3747,11 @@ qemuBuildNicDevStr(virDomainDefPtr def,
bool usingVirtio = false;
char macaddr[VIR_MAC_STRING_BUFLEN];
- if (STREQ(net->model, "virtio")) {
- if (qemuBuildVirtioDevStr(&buf, "virtio-net", net->info.type) < 0)
+ if (virDomainNetHasVirtioModel(net)) {
+ if (qemuBuildVirtioTransitional(&buf, "virtio-net", qemuCaps,
+ net->info.type,
+ 0, net->model,
+ VIR_DOMAIN_DEVICE_NET) < 0)
goto error;
usingVirtio = true;
diff --git a/src/qemu/qemu_domain_address.c b/src/qemu/qemu_domain_address.c
index 0950197a44..654567c500 100644
--- a/src/qemu/qemu_domain_address.c
+++ b/src/qemu/qemu_domain_address.c
@@ -694,8 +694,12 @@ qemuDomainDeviceCalculatePCIConnectFlags(virDomainDeviceDefPtr dev,
return 0;
}
- if (STREQ(net->model, "virtio"))
- return virtioFlags;
+ if (STREQ(net->model, "virtio") ||
+ STREQ(net->model, "virtio-non-transitional"))
+ return virtioFlags;
+
+ if (STREQ(net->model, "virtio-transitional"))
+ return pciFlags;
if (STREQ(net->model, "e1000e"))
return pcieFlags;
diff --git a/tests/qemucapabilitiesdata/caps_4.0.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_4.0.0.x86_64.xml
index 8cf9083035..137dcaf156 100644
--- a/tests/qemucapabilitiesdata/caps_4.0.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_4.0.0.x86_64.xml
@@ -214,6 +214,8 @@
<flag name='nvdimm.unarmed'/>
<flag name='virtio-blk-pci-transitional'/>
<flag name='virtio-blk-pci-non-transitional'/>
+ <flag name='virtio-net-pci-transitional'/>
+ <flag name='virtio-net-pci-non-transitional'/>
<version>3001050</version>
<kvmVersion>0</kvmVersion>
<microcodeVersion>446361</microcodeVersion>
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 9c5d553077..6eaf3086ef 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
@@ -26,9 +26,13 @@ file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
-device pcie-root-port,port=0x8,chassis=1,id=pci.1,bus=pcie.0,multifunction=on,\
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 \
-drive file=/dev/HostVG/QEMUGuest1,format=raw,if=none,id=drive-virtio-disk0 \
--device virtio-blk-pci,disable-legacy=on,scsi=off,bus=pci.1,addr=0x0,\
+-device virtio-blk-pci,disable-legacy=on,scsi=off,bus=pci.2,addr=0x0,\
drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1 \
+-netdev user,id=hostnet0 \
+-device virtio-net-pci,disable-legacy=on,netdev=hostnet0,id=net0,\
+mac=00:11:22:33:44:55,bus=pci.1,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 37078765bc..9a0eb9a1f3 100644
--- a/tests/qemuxml2argvdata/virtio-non-transitional.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/virtio-non-transitional.x86_64-latest.args
@@ -26,9 +26,13 @@ file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
-device pcie-root-port,port=0x8,chassis=1,id=pci.1,bus=pcie.0,multifunction=on,\
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 \
-drive file=/dev/HostVG/QEMUGuest1,format=raw,if=none,id=drive-virtio-disk0 \
--device virtio-blk-pci-non-transitional,scsi=off,bus=pci.1,addr=0x0,\
+-device virtio-blk-pci-non-transitional,scsi=off,bus=pci.2,addr=0x0,\
drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1 \
+-netdev user,id=hostnet0 \
+-device virtio-net-pci-non-transitional,netdev=hostnet0,id=net0,\
+mac=00:11:22:33:44:55,bus=pci.1,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 7899994622..a1b35d1c07 100644
--- a/tests/qemuxml2argvdata/virtio-non-transitional.xml
+++ b/tests/qemuxml2argvdata/virtio-non-transitional.xml
@@ -12,6 +12,10 @@
<source dev='/dev/HostVG/QEMUGuest1'/>
<target dev='vda' bus='virtio'/>
</disk>
+ <interface type='user'>
+ <mac address='00:11:22:33:44:55'/>
+ <model type='virtio-non-transitional'/>
+ </interface>
<controller type='usb' index='0' model='none'/>
<memballoon model='none'/>
</devices>
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 356e8fdf4c..9b80cd893a 100644
--- a/tests/qemuxml2argvdata/virtio-transitional.x86_64-3.1.0.args
+++ b/tests/qemuxml2argvdata/virtio-transitional.x86_64-3.1.0.args
@@ -28,8 +28,11 @@ addr=0x1 \
-device pcie-pci-bridge,id=pci.2,bus=pci.1,addr=0x0 \
-device pcie-root-port,port=0x9,chassis=3,id=pci.3,bus=pcie.0,addr=0x1.0x1 \
-drive file=/dev/HostVG/QEMUGuest1,format=raw,if=none,id=drive-virtio-disk0 \
--device virtio-blk-pci,scsi=off,bus=pci.2,addr=0x1,drive=drive-virtio-disk0,\
+-device virtio-blk-pci,scsi=off,bus=pci.2,addr=0x2,drive=drive-virtio-disk0,\
id=virtio-disk0,bootindex=1 \
+-netdev user,id=hostnet0 \
+-device virtio-net-pci,netdev=hostnet0,id=net0,mac=00:11:22:33:44:55,bus=pci.2,\
+addr=0x1 \
-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 e78223eac8..46e139d492 100644
--- a/tests/qemuxml2argvdata/virtio-transitional.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/virtio-transitional.x86_64-latest.args
@@ -28,8 +28,11 @@ addr=0x1 \
-device pcie-pci-bridge,id=pci.2,bus=pci.1,addr=0x0 \
-device pcie-root-port,port=0x9,chassis=3,id=pci.3,bus=pcie.0,addr=0x1.0x1 \
-drive file=/dev/HostVG/QEMUGuest1,format=raw,if=none,id=drive-virtio-disk0 \
--device virtio-blk-pci-transitional,scsi=off,bus=pci.2,addr=0x1,\
+-device virtio-blk-pci-transitional,scsi=off,bus=pci.2,addr=0x2,\
drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1 \
+-netdev user,id=hostnet0 \
+-device virtio-net-pci-transitional,netdev=hostnet0,id=net0,\
+mac=00:11:22:33:44:55,bus=pci.2,addr=0x1 \
-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 678a7b9132..18f665577a 100644
--- a/tests/qemuxml2argvdata/virtio-transitional.xml
+++ b/tests/qemuxml2argvdata/virtio-transitional.xml
@@ -12,6 +12,10 @@
<source dev='/dev/HostVG/QEMUGuest1'/>
<target dev='vda' bus='virtio'/>
</disk>
+ <interface type='user'>
+ <mac address='00:11:22:33:44:55'/>
+ <model type='virtio-transitional'/>
+ </interface>
<controller type='usb' index='0' model='none'/>
<memballoon model='none'/>
</devices>
diff --git a/tests/qemuxml2xmloutdata/virtio-non-transitional.xml b/tests/qemuxml2xmloutdata/virtio-non-transitional.xml
index 7e4aa16b32..f0dc7c0833 100644
--- a/tests/qemuxml2xmloutdata/virtio-non-transitional.xml
+++ b/tests/qemuxml2xmloutdata/virtio-non-transitional.xml
@@ -18,7 +18,7 @@
<driver name='qemu' type='raw'/>
<source dev='/dev/HostVG/QEMUGuest1'/>
<target dev='vda' bus='virtio'/>
- <address type='pci' domain='0x0000' bus='0x01' slot='0x00' function='0x0'/>
+ <address type='pci' domain='0x0000' bus='0x02' slot='0x00' function='0x0'/>
</disk>
<controller type='usb' index='0' model='none'/>
<controller type='sata' index='0'>
@@ -35,6 +35,16 @@
<target chassis='2' port='0x9'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/>
</controller>
+ <controller type='pci' index='3' model='pcie-root-port'>
+ <model name='pcie-root-port'/>
+ <target chassis='3' port='0xa'/>
+ <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
+ </controller>
+ <interface type='user'>
+ <mac address='00:11:22:33:44:55'/>
+ <model type='virtio-non-transitional'/>
+ <address type='pci' domain='0x0000' bus='0x01' slot='0x00' function='0x0'/>
+ </interface>
<input type='mouse' bus='ps2'/>
<input type='keyboard' bus='ps2'/>
<memballoon model='none'/>
diff --git a/tests/qemuxml2xmloutdata/virtio-transitional.xml b/tests/qemuxml2xmloutdata/virtio-transitional.xml
index c19e133bb3..f9729391a5 100644
--- a/tests/qemuxml2xmloutdata/virtio-transitional.xml
+++ b/tests/qemuxml2xmloutdata/virtio-transitional.xml
@@ -18,7 +18,7 @@
<driver name='qemu' type='raw'/>
<source dev='/dev/HostVG/QEMUGuest1'/>
<target dev='vda' bus='virtio'/>
- <address type='pci' domain='0x0000' bus='0x02' slot='0x01' function='0x0'/>
+ <address type='pci' domain='0x0000' bus='0x02' slot='0x02' function='0x0'/>
</disk>
<controller type='usb' index='0' model='none'/>
<controller type='sata' index='0'>
@@ -39,6 +39,11 @@
<target chassis='3' port='0x9'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/>
</controller>
+ <interface type='user'>
+ <mac address='00:11:22:33:44:55'/>
+ <model type='virtio-transitional'/>
+ <address type='pci' domain='0x0000' bus='0x02' slot='0x01' function='0x0'/>
+ </interface>
<input type='mouse' bus='ps2'/>
<input type='keyboard' bus='ps2'/>
<memballoon model='none'/>
--
2.20.1
--
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https://www.redhat.com/mailman/listinfo/libvir-list
On Thu, 2019-01-17 at 12:52 -0500, Cole Robinson wrote:
> Add new <interface> model handling for virtio transitional devices. Ex:
>
> <interface>
> <model type='virtio-transitional'/>
> </interface>
>
> * "virtio-transitional" maps to qemu "virtio-net-pci-transitional"
> * "virtio-non-transitional" maps to qemu "virtio-net-pci-non-transitional"
>
> Signed-off-by: Cole Robinson <crobinso@redhat.com>
> (cherry picked from commit b6698b81846e2010e0cc030bcd6c2c549cf04e97)
Guess this slipped in somehow :)
[...]
> @@ -1112,6 +1116,8 @@ struct virQEMUCapsStringFlags virQEMUCapsObjectTypes[] = {
> { "memory-backend-memfd", QEMU_CAPS_OBJECT_MEMORY_MEMFD },
> {"virtio-blk-pci-transitional", QEMU_CAPS_DEVICE_VIRTIO_BLK_TRANSITIONAL},
> {"virtio-blk-pci-non-transitional", QEMU_CAPS_DEVICE_VIRTIO_BLK_NON_TRANSITIONAL},
> + {"virtio-net-pci-transitional", QEMU_CAPS_DEVICE_VIRTIO_NET_TRANSITIONAL},
> + {"virtio-net-pci-non-transitional", QEMU_CAPS_DEVICE_VIRTIO_NET_NON_TRANSITIONAL},
Same comments about spacing, naming the capabilities and introducing
them in their separate commit as for virtio-blk apply.
[...]
> @@ -449,6 +449,7 @@ qemuBuildVirtioTransitional(virBufferPtr buf,
> virQEMUCapsPtr qemuCaps,
> virDomainDeviceAddressType type,
> int model,
> + const char *modelstr,
Ewww.
We really, really need to make the handling of model names for
network interface more sane.
In the meantime, can you add some sort of (ideally compile-time)
sanity check to ensure that the function is either called with
model == -1 && modelStr != NULL or model >= 0 && modelStr == NULL?
Or at the very least some documentation on how you're supposed to
be calling it.
[...]
> @@ -3741,8 +3747,11 @@ qemuBuildNicDevStr(virDomainDefPtr def,
> bool usingVirtio = false;
> char macaddr[VIR_MAC_STRING_BUFLEN];
>
> - if (STREQ(net->model, "virtio")) {
> - if (qemuBuildVirtioDevStr(&buf, "virtio-net", net->info.type) < 0)
> + if (virDomainNetHasVirtioModel(net)) {
> + if (qemuBuildVirtioTransitional(&buf, "virtio-net", qemuCaps,
> + net->info.type,
> + 0, net->model,
> + VIR_DOMAIN_DEVICE_NET) < 0)
The change from STREQ() to virDomainNetHasVirtioModel() should be
squashed into the previous patch.
--
Andrea Bolognani / Red Hat / Virtualization
--
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On 01/18/2019 09:20 AM, Andrea Bolognani wrote:
> On Thu, 2019-01-17 at 12:52 -0500, Cole Robinson wrote:
>> Add new <interface> model handling for virtio transitional devices. Ex:
>>
>> <interface>
>> <model type='virtio-transitional'/>
>> </interface>
>>
>> * "virtio-transitional" maps to qemu "virtio-net-pci-transitional"
>> * "virtio-non-transitional" maps to qemu "virtio-net-pci-non-transitional"
>>
>> Signed-off-by: Cole Robinson <crobinso@redhat.com>
>> (cherry picked from commit b6698b81846e2010e0cc030bcd6c2c549cf04e97)
>
> Guess this slipped in somehow :)
>
> [...]
>> @@ -1112,6 +1116,8 @@ struct virQEMUCapsStringFlags virQEMUCapsObjectTypes[] = {
>> { "memory-backend-memfd", QEMU_CAPS_OBJECT_MEMORY_MEMFD },
>> {"virtio-blk-pci-transitional", QEMU_CAPS_DEVICE_VIRTIO_BLK_TRANSITIONAL},
>> {"virtio-blk-pci-non-transitional", QEMU_CAPS_DEVICE_VIRTIO_BLK_NON_TRANSITIONAL},
>> + {"virtio-net-pci-transitional", QEMU_CAPS_DEVICE_VIRTIO_NET_TRANSITIONAL},
>> + {"virtio-net-pci-non-transitional", QEMU_CAPS_DEVICE_VIRTIO_NET_NON_TRANSITIONAL},
>
> Same comments about spacing, naming the capabilities and introducing
> them in their separate commit as for virtio-blk apply.
>
> [...]
>> @@ -449,6 +449,7 @@ qemuBuildVirtioTransitional(virBufferPtr buf,
>> virQEMUCapsPtr qemuCaps,
>> virDomainDeviceAddressType type,
>> int model,
>> + const char *modelstr,
>
> Ewww.
>
> We really, really need to make the handling of model names for
> network interface more sane.
>
> In the meantime, can you add some sort of (ideally compile-time)
> sanity check to ensure that the function is either called with
> model == -1 && modelStr != NULL or model >= 0 && modelStr == NULL?
> Or at the very least some documentation on how you're supposed to
> be calling it.
>
Since hopefully this will be removed by my series in the near future,
I'll just add a docstring for the function to clarify its usage
Thanks,
Cole
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On 01/18/2019 09:20 AM, Andrea Bolognani wrote:
> On Thu, 2019-01-17 at 12:52 -0500, Cole Robinson wrote:
>> Add new <interface> model handling for virtio transitional devices. Ex:
>>
>> <interface>
>> <model type='virtio-transitional'/>
>> </interface>
>>
>> * "virtio-transitional" maps to qemu "virtio-net-pci-transitional"
>> * "virtio-non-transitional" maps to qemu "virtio-net-pci-non-transitional"
>>
>> Signed-off-by: Cole Robinson <crobinso@redhat.com>
>> (cherry picked from commit b6698b81846e2010e0cc030bcd6c2c549cf04e97)
>
> Guess this slipped in somehow :)
>
> [...]
>> @@ -1112,6 +1116,8 @@ struct virQEMUCapsStringFlags virQEMUCapsObjectTypes[] = {
>> { "memory-backend-memfd", QEMU_CAPS_OBJECT_MEMORY_MEMFD },
>> {"virtio-blk-pci-transitional", QEMU_CAPS_DEVICE_VIRTIO_BLK_TRANSITIONAL},
>> {"virtio-blk-pci-non-transitional", QEMU_CAPS_DEVICE_VIRTIO_BLK_NON_TRANSITIONAL},
>> + {"virtio-net-pci-transitional", QEMU_CAPS_DEVICE_VIRTIO_NET_TRANSITIONAL},
>> + {"virtio-net-pci-non-transitional", QEMU_CAPS_DEVICE_VIRTIO_NET_NON_TRANSITIONAL},
>
> Same comments about spacing, naming the capabilities and introducing
> them in their separate commit as for virtio-blk apply.
>
> [...]
>> @@ -449,6 +449,7 @@ qemuBuildVirtioTransitional(virBufferPtr buf,
>> virQEMUCapsPtr qemuCaps,
>> virDomainDeviceAddressType type,
>> int model,
>> + const char *modelstr,
>
> Ewww.
>
> We really, really need to make the handling of model names for
> network interface more sane.
>
> In the meantime, can you add some sort of (ideally compile-time)
> sanity check to ensure that the function is either called with
> model == -1 && modelStr != NULL or model >= 0 && modelStr == NULL?
> Or at the very least some documentation on how you're supposed to
> be calling it.
>
I'll respond to the rest of the review in time but I just wanted to
mention here: I'm working on a series to try and untangle the net model
mess and it undoes this hack. It converts nearly all usage of net->model
internally to use an enum, but preserves the string passthrough in
xen+qemu to be dealt with separately since that will take some
discussion and probably need to be phased out after a grace period. I
plan to finish + post the series today unless I hit unexpected hurdles.
Thanks for the reviews!
- Cole
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