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bhyve: auto allocate nmdm console paths

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Currently, nmdm console device requires user to specify master and slave
path attributes (such as /dev/nmdm0A and /dev/nmdm0B respectively).
However, making user find a non-occupied device name might be not
convenient, especially for the remote connections.

Update the logic to make these attributes optional. In case if not
specified, use /dev/nmdm$UUID[AB], where $UUID is a domain's UUID.
With this schema it's unlikely nmdm device will clash with other domains
or even other non-bhyve nmdm devices.

Signed-off-by: Roman Bogorodskiy <bogorodskiy@gmail.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Roman Bogorodskiy 2021-02-07 07:57:07 +04:00
parent 1fc23c885e
commit b1e6324ca2
8 changed files with 104 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
src/bhyve/bhyve_domain.c
View File

@ -170,6 +170,20 @@ bhyveDomainDeviceDefPostParse(virDomainDeviceDefPtr dev,
dev->data.video->type = VIR_DOMAIN_VIDEO_TYPE_GOP;
}
if (dev->type == VIR_DOMAIN_DEVICE_CHR &&
dev->data.chr->source->type == VIR_DOMAIN_CHR_TYPE_NMDM) {
virDomainChrDefPtr chr = dev->data.chr;
if (!chr->source->data.nmdm.master) {
char uuidstr[VIR_UUID_STRING_BUFLEN];
virUUIDFormat(def->uuid, uuidstr);
chr->source->data.nmdm.master = g_strdup_printf("/dev/nmdm%sA", uuidstr);
chr->source->data.nmdm.slave = g_strdup_printf("/dev/nmdm%sB", uuidstr);
}
}
return 0;
}

15
src/conf/domain_validate.c
View File

@ -559,17 +559,14 @@ virDomainChrSourceDefValidate(const virDomainChrSourceDef *src_def,
break;
case VIR_DOMAIN_CHR_TYPE_NMDM:
if (!src_def->data.nmdm.master) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Missing master path attribute for nmdm device"));
return -1;
if ((src_def->data.nmdm.master && !src_def->data.nmdm.slave) ||
(!src_def->data.nmdm.master && src_def->data.nmdm.slave)) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Should define both master and slave "
"path attributes for nmdm device"));
return -1;
}
if (!src_def->data.nmdm.slave) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Missing slave path attribute for nmdm device"));
return -1;
}
break;
case VIR_DOMAIN_CHR_TYPE_TCP:

11
tests/bhyvexml2argvdata/bhyvexml2argv-console-master-slave-not-specified.args Normal file
View File

@ -0,0 +1,11 @@
/usr/sbin/bhyve \
-c 1 \
-m 214 \
-u \
-H \
-P \
-s 0:0,hostbridge \
-s 1:0,lpc \
-s 2:0,ahci,hd:/tmp/freebsd.img \
-s 3:0,virtio-net,faketapdev,mac=52:54:00:b1:42:eb \
-l com1,/dev/nmdmdf3be7e7-a104-11e3-aeb0-50e5492bd3dcA bhyve

3
tests/bhyvexml2argvdata/bhyvexml2argv-console-master-slave-not-specified.ldargs Normal file
View File

@ -0,0 +1,3 @@
/usr/sbin/bhyveload \
-m 214 \
-d /tmp/freebsd.img bhyve

24
tests/bhyvexml2argvdata/bhyvexml2argv-console-master-slave-not-specified.xml Normal file
View File

@ -0,0 +1,24 @@
<domain type='bhyve'>
<name>bhyve</name>
<uuid>df3be7e7-a104-11e3-aeb0-50e5492bd3dc</uuid>
<memory>219136</memory>
<vcpu>1</vcpu>
<os>
<type>hvm</type>
</os>
<devices>
<disk type='file'>
<driver name='file' type='raw'/>
<source file='/tmp/freebsd.img'/>
<target dev='hda' bus='sata'/>
<address type='drive' controller='0' bus='0' target='2' unit='0'/>
</disk>
<interface type='bridge'>
<mac address='52:54:00:b1:42:eb'/>
<model type='virtio'/>
<source bridge="virbr0"/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
</interface>
<console type='nmdm'/>
</devices>
</domain>

1
tests/bhyvexml2argvtest.c
View File

@ -177,6 +177,7 @@ mymain(void)
DO_TEST("macaddr");
DO_TEST("serial");
DO_TEST("console");
DO_TEST("console-master-slave-not-specified");
DO_TEST("grub-defaults");
DO_TEST("grub-bootorder");
DO_TEST("grub-bootorder2");

44
tests/bhyvexml2xmloutdata/bhyvexml2xmlout-console-master-slave-not-specified.xml Normal file
View File

@ -0,0 +1,44 @@
<domain type='bhyve'>
<name>bhyve</name>
<uuid>df3be7e7-a104-11e3-aeb0-50e5492bd3dc</uuid>
<memory unit='KiB'>219136</memory>
<currentMemory unit='KiB'>219136</currentMemory>
<vcpu placement='static'>1</vcpu>
<os>
<type arch='x86_64'>hvm</type>
<boot dev='hd'/>
</os>
<clock offset='utc'/>
<on_poweroff>destroy</on_poweroff>
<on_reboot>restart</on_reboot>
<on_crash>destroy</on_crash>
<devices>
<disk type='file' device='disk'>
<driver name='file' type='raw'/>
<source file='/tmp/freebsd.img'/>
<target dev='hda' bus='sata'/>
<address type='drive' controller='0' bus='0' target='2' unit='0'/>
</disk>
<controller type='pci' index='0' model='pci-root'/>
<controller type='isa' index='0'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x0'/>
</controller>
<controller type='sata' index='0'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
</controller>
<interface type='bridge'>
<mac address='52:54:00:b1:42:eb'/>
<source bridge='virbr0'/>
<model type='virtio'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
</interface>
<serial type='nmdm'>
<source master='/dev/nmdmdf3be7e7-a104-11e3-aeb0-50e5492bd3dcA' slave='/dev/nmdmdf3be7e7-a104-11e3-aeb0-50e5492bd3dcB'/>
<target port='0'/>
</serial>
<console type='nmdm'>
<source master='/dev/nmdmdf3be7e7-a104-11e3-aeb0-50e5492bd3dcA' slave='/dev/nmdmdf3be7e7-a104-11e3-aeb0-50e5492bd3dcB'/>
<target type='serial' port='0'/>
</console>
</devices>
</domain>

1
tests/bhyvexml2xmltest.c
View File

@ -88,6 +88,7 @@ mymain(void)
DO_TEST_DIFFERENT("bhyveload-bootorder4");
DO_TEST_DIFFERENT("bhyveload-explicitargs");
DO_TEST_DIFFERENT("console");
DO_TEST_DIFFERENT("console-master-slave-not-specified");
DO_TEST_DIFFERENT("custom-loader");
DO_TEST_DIFFERENT("disk-cdrom");
DO_TEST_DIFFERENT("disk-cdrom-grub");