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Add support for setting disk drive serial numbers

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* docs/schemas/domain.rng: Add <serial> element to disks
* src/domain_conf.h, src/domain_conf.c: XML parsing and
  formatting for disk serial numbers
* src/qemu_conf.c: Set serial number when launching guests
* tests/qemuxml2argvdata/qemuxml2argv-disk-drive-shared.args,
  tests/qemuxml2argvdata/qemuxml2argv-disk-drive-shared.xml: Add
  serial number to XML test
This commit is contained in:
Daniel P. Berrange 2009-08-14 12:22:01 +01:00
parent d823a05aef
commit 85d15b5143
9 changed files with 54 additions and 2 deletions
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10
docs/schemas/domain.rng
View File

@ -347,6 +347,11 @@
<empty/>
</element>
</optional>
<optional>
<element name="serial">
<ref name="diskSerial"/>
</element>
</optional>
<optional>
<ref name="encryption"/>
</optional>
@ -1169,6 +1174,11 @@
<param name="pattern">[A-Za-z0-9_\.\+\-&amp;:/]+</param>
</data>
</define>
<define name="diskSerial">
<data type="string">
<param name="pattern">[A-Za-z0-9_\.\+\-]+</param>
</data>
</define>
<define name="genericName">
<data type="string">
<param name="pattern">[a-zA-Z0-9_\+\-]+</param>

11
src/domain_conf.c
View File

@ -284,6 +284,7 @@ void virDomainDiskDefFree(virDomainDiskDefPtr def)
if (!def)
return;
VIR_FREE(def->serial);
VIR_FREE(def->src);
VIR_FREE(def->dst);
VIR_FREE(def->driverName);
@ -653,6 +654,7 @@ virDomainDiskDefParseXML(virConnectPtr conn,
char *cachetag = NULL;
char *devaddr = NULL;
virStorageEncryptionPtr encryption = NULL;
char *serial = NULL;
if (VIR_ALLOC(def) < 0) {
virReportOOMError(conn);
@ -716,6 +718,9 @@ virDomainDiskDefParseXML(virConnectPtr conn,
cur);
if (encryption == NULL)
goto error;
} else if ((serial == NULL) &&
(xmlStrEqual(cur->name, BAD_CAST "serial"))) {
serial = (char *)xmlNodeGetContent(cur);
}
}
cur = cur->next;
@ -836,6 +841,8 @@ virDomainDiskDefParseXML(virConnectPtr conn,
driverType = NULL;
def->encryption = encryption;
encryption = NULL;
def->serial = serial;
serial = NULL;
cleanup:
VIR_FREE(bus);
@ -847,6 +854,7 @@ cleanup:
VIR_FREE(driverName);
VIR_FREE(cachetag);
VIR_FREE(devaddr);
VIR_FREE(serial);
virStorageEncryptionFree(encryption);
return def;
@ -3616,6 +3624,9 @@ virDomainDiskDefFormat(virConnectPtr conn,
virBufferAddLit(buf, " <readonly/>\n");
if (def->shared)
virBufferAddLit(buf, " <shareable/>\n");
if (def->serial)
virBufferEscapeString(buf, " <serial>%s</serial>\n",
def->serial);
if (def->encryption != NULL &&
virStorageEncryptionFormat(conn, buf, def->encryption) < 0)
return -1;

1
src/domain_conf.h
View File

@ -110,6 +110,7 @@ struct _virDomainDiskDef {
char *dst;
char *driverName;
char *driverType;
char *serial;
int cachemode;
unsigned int readonly : 1;
unsigned int shared : 1;

25
src/qemu_conf.c
View File

@ -810,6 +810,8 @@ static unsigned int qemudComputeCmdFlags(const char *help,
flags |= QEMUD_CMD_FLAG_VGA;
if (strstr(help, "boot=on"))
flags |= QEMUD_CMD_FLAG_DRIVE_BOOT;
if (strstr(help, "serial=s"))
flags |= QEMUD_CMD_FLAG_DRIVE_SERIAL;
if (strstr(help, "-pcidevice"))
flags |= QEMUD_CMD_FLAG_PCIDEVICE;
if (strstr(help, "-mem-path"))
@ -1405,6 +1407,23 @@ static int qemudBuildCommandLineChrDevStr(virDomainChrDefPtr dev,
return 0;
}
#define QEMU_SERIAL_PARAM_ACCEPTED_CHARS \
"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-_"
static int
qemuSafeSerialParamValue(virConnectPtr conn,
const char *value)
{
if (strspn(value, QEMU_SERIAL_PARAM_ACCEPTED_CHARS) != strlen (value)) {
qemudReportError(conn, NULL, NULL, VIR_ERR_INTERNAL_ERROR,
_("driver serial '%s' contains unsafe characters"),
value);
return -1;
}
return 0;
}
/*
* Constructs a argv suitable for launching qemu with config defined
* for a given virtual machine.
@ -1804,6 +1823,12 @@ int qemudBuildCommandLine(virConnectPtr conn,
if (disk->driverType &&
qemuCmdFlags & QEMUD_CMD_FLAG_DRIVE_FORMAT)
virBufferVSprintf(&opt, ",format=%s", disk->driverType);
if (disk->serial &&
(qemuCmdFlags & QEMUD_CMD_FLAG_DRIVE_SERIAL)) {
if (qemuSafeSerialParamValue(conn, disk->serial) < 0)
goto error;
virBufferVSprintf(&opt, ",serial=%s", disk->serial);
}
if (disk->cachemode) {
const char *mode =

1
src/qemu_conf.h
View File

@ -68,6 +68,7 @@ enum qemud_cmd_flags {
QEMUD_CMD_FLAG_PCIDEVICE = (1 << 17), /* PCI device assignment only supported by qemu-kvm */
QEMUD_CMD_FLAG_MEM_PATH = (1 << 18), /* mmap'ped guest backing supported */
QEMUD_CMD_FLAG_DRIVE_SERIAL = (1 << 19), /* -driver serial= available */
};
/* Main driver state */

3
tests/qemuhelptest.c
View File

@ -119,6 +119,7 @@ mymain(int argc, char **argv)
QEMUD_CMD_FLAG_MIGRATE_QEMU_EXEC |
QEMUD_CMD_FLAG_DRIVE_CACHE_V2 |
QEMUD_CMD_FLAG_DRIVE_FORMAT |
QEMUD_CMD_FLAG_DRIVE_SERIAL |
QEMUD_CMD_FLAG_VGA |
QEMUD_CMD_FLAG_0_10,
10005, 0, 0);
@ -135,6 +136,7 @@ mymain(int argc, char **argv)
QEMUD_CMD_FLAG_DRIVE_CACHE_V2 |
QEMUD_CMD_FLAG_KVM |
QEMUD_CMD_FLAG_DRIVE_FORMAT |
QEMUD_CMD_FLAG_DRIVE_SERIAL |
QEMUD_CMD_FLAG_VGA |
QEMUD_CMD_FLAG_0_10 |
QEMUD_CMD_FLAG_PCIDEVICE |
@ -153,6 +155,7 @@ mymain(int argc, char **argv)
QEMUD_CMD_FLAG_DRIVE_CACHE_V2 |
QEMUD_CMD_FLAG_KVM |
QEMUD_CMD_FLAG_DRIVE_FORMAT |
QEMUD_CMD_FLAG_DRIVE_SERIAL |
QEMUD_CMD_FLAG_VGA |
QEMUD_CMD_FLAG_0_10 |
QEMUD_CMD_FLAG_PCIDEVICE,

2
tests/qemuxml2argvdata/qemuxml2argv-disk-drive-shared.args
View File

@ -1 +1 @@
LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor unix:/tmp/test-monitor,server,nowait -no-acpi -boot c -drive file=/dev/HostVG/QEMUGuest1,if=ide,index=0,format=qcow2,cache=off -drive file=/dev/HostVG/QEMUGuest2,if=ide,media=cdrom,index=2,format=raw -net none -serial none -parallel none -usb
LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor unix:/tmp/test-monitor,server,nowait -no-acpi -boot c -drive file=/dev/HostVG/QEMUGuest1,if=ide,index=0,format=qcow2,serial=XYZXYZXYZYXXYZYZYXYZY,cache=off -drive file=/dev/HostVG/QEMUGuest2,if=ide,media=cdrom,index=2,format=raw -net none -serial none -parallel none -usb

1
tests/qemuxml2argvdata/qemuxml2argv-disk-drive-shared.xml
View File

@ -19,6 +19,7 @@
<source dev='/dev/HostVG/QEMUGuest1'/>
<target dev='hda' bus='ide'/>
<shareable/>
<serial>XYZXYZXYZYXXYZYZYXYZY</serial>
</disk>
<disk type='block' device='cdrom'>
<driver name='qemu' type='raw'/>

2
tests/qemuxml2argvtest.c
View File

@ -209,7 +209,7 @@ mymain(int argc, char **argv)
DO_TEST("disk-drive-fmt-qcow", QEMUD_CMD_FLAG_DRIVE |
QEMUD_CMD_FLAG_DRIVE_BOOT | QEMUD_CMD_FLAG_DRIVE_FORMAT);
DO_TEST("disk-drive-shared", QEMUD_CMD_FLAG_DRIVE |
QEMUD_CMD_FLAG_DRIVE_FORMAT);
QEMUD_CMD_FLAG_DRIVE_FORMAT | QEMUD_CMD_FLAG_DRIVE_SERIAL);
DO_TEST("disk-drive-cache-v1-wt", QEMUD_CMD_FLAG_DRIVE |
QEMUD_CMD_FLAG_DRIVE_FORMAT);
DO_TEST("disk-drive-cache-v1-wb", QEMUD_CMD_FLAG_DRIVE |