Re: [libvirt] patch: allow disk cache mode to be specified in a domain's xml definition.

On Fri, Jan 30, 2009 at 02:41:18PM +0000, Daniel P. Berrange wrote: Here's the patch including RNG schema update Daniel diff -r 2ff2ff7734c2 docs/schemas/domain.rng --- a/docs/schemas/domain.rng Fri Jan 30 11:01:52 2009 +0000 +++ b/docs/schemas/domain.rng Fri Jan 30 14:47:11 2009 +0000 @@ -426,16 +426,43 @@ --> <define name='driver'> <element name='driver'> - <attribute name='name'> + <choice> + <group> + <ref name='driverFormat'/> + <optional> + <ref name='driverCache'/> + </optional> + </group> + <group> + <optional> + <ref name='driverFormat'/> + </optional> + <ref name='driverCache'/> + </group> + </choice> + <empty/> + </element> + </define> + + <define name='driverFormat'> + <attribute name='name'> + <ref name='genericName'/> + </attribute> + <optional> + <attribute name='type'> <ref name='genericName'/> </attribute> - <optional> - <attribute name='type'> - <ref name='genericName'/> - </attribute> - </optional> - <empty/> - </element> + </optional> + </define> + + <define name='driverCache'> + <attribute name='cache'> + <choice> + <value>none</value> + <value>writeback</value> + <value>writethrough</value> + </choice> + </attribute> </define> <define name='filesystem'> diff -r 2ff2ff7734c2 src/domain_conf.c --- a/src/domain_conf.c Fri Jan 30 11:01:52 2009 +0000 +++ b/src/domain_conf.c Fri Jan 30 14:47:11 2009 +0000 @@ -1,7 +1,7 @@ /* * domain_conf.c: domain XML processing * - * Copyright (C) 2006-2008 Red Hat, Inc. + * Copyright (C) 2006-2009 Red Hat, Inc. * Copyright (C) 2006-2008 Daniel P. Berrange * * This library is free software; you can redistribute it and/or @@ -91,6 +91,12 @@ VIR_ENUM_IMPL(virDomainDiskBus, VIR_DOMA "usb", "uml") +VIR_ENUM_IMPL(virDomainDiskCache, VIR_DOMAIN_DISK_CACHE_LAST, + "default", + "none", + "writethrough", + "writeback"); + VIR_ENUM_IMPL(virDomainFS, VIR_DOMAIN_FS_TYPE_LAST, "mount", "block", @@ -568,6 +574,7 @@ virDomainDiskDefParseXML(virConnectPtr c char *source = NULL; char *target = NULL; char *bus = NULL; + char *cachetag = NULL; if (VIR_ALLOC(def) < 0) { virReportOOMError(conn); @@ -617,6 +624,7 @@ virDomainDiskDefParseXML(virConnectPtr c (xmlStrEqual(cur->name, BAD_CAST "driver"))) { driverName = virXMLPropString(cur, "name"); driverType = virXMLPropString(cur, "type"); + cachetag = virXMLPropString(cur, "cache"); } else if (xmlStrEqual(cur->name, BAD_CAST "readonly")) { def->readonly = 1; } else if (xmlStrEqual(cur->name, BAD_CAST "shareable")) { @@ -713,6 +721,13 @@ virDomainDiskDefParseXML(virConnectPtr c goto error; } + if (cachetag && + (def->cachemode = virDomainDiskCacheTypeFromString(cachetag)) < 0) { + virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR, + _("unknown disk cache mode '%s'"), cachetag); + goto error; + } + def->src = source; source = NULL; def->dst = target; @@ -730,6 +745,7 @@ cleanup: VIR_FREE(device); VIR_FREE(driverType); VIR_FREE(driverName); + VIR_FREE(cachetag); return def; @@ -2756,6 +2772,7 @@ virDomainDiskDefFormat(virConnectPtr con const char *type = virDomainDiskTypeToString(def->type); const char *device = virDomainDiskDeviceTypeToString(def->device); const char *bus = virDomainDiskBusTypeToString(def->bus); + const char *cachemode = virDomainDiskCacheTypeToString(def->cachemode); if (!type) { virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR, @@ -2772,20 +2789,23 @@ virDomainDiskDefFormat(virConnectPtr con _("unexpected disk bus %d"), def->bus); return -1; } + if (!cachemode) { + virDomainReportError(conn, VIR_ERR_INTERNAL_ERROR, + _("unexpected disk cache mode %d"), def->cachemode); + return -1; + } virBufferVSprintf(buf, " <disk type='%s' device='%s'>\n", type, device); if (def->driverName) { + virBufferVSprintf(buf, " <driver name='%s'", def->driverName); if (def->driverType) - virBufferVSprintf(buf, - " <driver name='%s' type='%s'/>\n", - def->driverName, def->driverType); - else - virBufferVSprintf(buf, - " <driver name='%s'/>\n", - def->driverName); + virBufferVSprintf(buf, " type='%s'", def->driverType); + if (def->cachemode) + virBufferVSprintf(buf, " cache='%s'", cachemode); + virBufferVSprintf(buf, "/>\n"); } if (def->src) { diff -r 2ff2ff7734c2 src/domain_conf.h --- a/src/domain_conf.h Fri Jan 30 11:01:52 2009 +0000 +++ b/src/domain_conf.h Fri Jan 30 14:47:11 2009 +0000 @@ -81,6 +81,15 @@ enum virDomainDiskBus { VIR_DOMAIN_DISK_BUS_LAST }; +enum virDomainDiskCache { + VIR_DOMAIN_DISK_CACHE_DEFAULT, + VIR_DOMAIN_DISK_CACHE_DISABLE, + VIR_DOMAIN_DISK_CACHE_WRITETHRU, + VIR_DOMAIN_DISK_CACHE_WRITEBACK, + + VIR_DOMAIN_DISK_CACHE_LAST +}; + /* Stores the virtual disk configuration */ typedef struct _virDomainDiskDef virDomainDiskDef; typedef virDomainDiskDef *virDomainDiskDefPtr; @@ -92,6 +101,7 @@ struct _virDomainDiskDef { char *dst; char *driverName; char *driverType; + int cachemode; unsigned int readonly : 1; unsigned int shared : 1; int slotnum; /* pci slot number for unattach */ @@ -615,6 +625,7 @@ VIR_ENUM_DECL(virDomainLifecycle) VIR_ENUM_DECL(virDomainDisk) VIR_ENUM_DECL(virDomainDiskDevice) VIR_ENUM_DECL(virDomainDiskBus) +VIR_ENUM_DECL(virDomainDiskCache) VIR_ENUM_DECL(virDomainFS) VIR_ENUM_DECL(virDomainNet) VIR_ENUM_DECL(virDomainChr) diff -r 2ff2ff7734c2 src/qemu_conf.c --- a/src/qemu_conf.c Fri Jan 30 11:01:52 2009 +0000 +++ b/src/qemu_conf.c Fri Jan 30 14:47:11 2009 +0000 @@ -1,7 +1,7 @@ /* * config.c: VM configuration management * - * Copyright (C) 2006, 2007, 2008 Red Hat, Inc. + * Copyright (C) 2006, 2007, 2008, 2009 Red Hat, Inc. * Copyright (C) 2006 Daniel P. Berrange * * This library is free software; you can redistribute it and/or @@ -61,6 +61,22 @@ VIR_ENUM_IMPL(virDomainDiskQEMUBus, VIR_ "uml") +VIR_ENUM_DECL(qemuDiskCacheV1) +VIR_ENUM_DECL(qemuDiskCacheV2) + +VIR_ENUM_IMPL(qemuDiskCacheV1, VIR_DOMAIN_DISK_CACHE_LAST, + "default", + "off", + "off", /* writethrough not supported, so for safety, disable */ + "on"); /* Old 'on' was equivalent to 'writeback' */ + +VIR_ENUM_IMPL(qemuDiskCacheV2, VIR_DOMAIN_DISK_CACHE_LAST, + "default", + "none", + "writethrough", + "writeback"); + + #define qemudLog(level, msg...) fprintf(stderr, msg) int qemudLoadDriverConfig(struct qemud_driver *driver, @@ -398,8 +414,11 @@ int qemudExtractVersionInfo(const char * flags |= QEMUD_CMD_FLAG_UUID; if (strstr(help, "-domid")) flags |= QEMUD_CMD_FLAG_DOMID; - if (strstr(help, "-drive")) + if (strstr(help, "-drive")) { flags |= QEMUD_CMD_FLAG_DRIVE; + if (strstr(help, "cache=writethrough|writeback|none")) + flags |= QEMUD_CMD_FLAG_DRIVE_CACHE_V2; + } if (strstr(help, "boot=on")) flags |= QEMUD_CMD_FLAG_DRIVE_BOOT; if (version >= 9000) @@ -591,6 +610,7 @@ qemudNetworkIfaceConnect(virConnectPtr c return NULL; } + static int qemudBuildCommandLineChrDevStr(virDomainChrDefPtr dev, char *buf, int buflen) @@ -1015,11 +1035,20 @@ int qemudBuildCommandLine(virConnectPtr if (bootable && disk->device == VIR_DOMAIN_DISK_DEVICE_DISK) virBufferAddLit(&opt, ",boot=on"); - if (disk->shared && !disk->readonly) - virBufferAddLit(&opt, ",cache=off"); if (disk->driverType) virBufferVSprintf(&opt, ",fmt=%s", disk->driverType); + if (disk->cachemode) { + const char *mode = + (qemuCmdFlags & QEMUD_CMD_FLAG_DRIVE_CACHE_V2) ? + qemuDiskCacheV2TypeToString(disk->cachemode) : + qemuDiskCacheV1TypeToString(disk->cachemode); + + virBufferVSprintf(&opt, ",cache=%s", mode); + } else if (disk->shared && !disk->readonly) { + virBufferAddLit(&opt, ",cache=off"); + } + if (virBufferError(&opt)) { virReportOOMError(conn); goto error; @@ -1585,4 +1614,3 @@ cleanup: VIR_FREE(xml); return ret; } - diff -r 2ff2ff7734c2 src/qemu_conf.h --- a/src/qemu_conf.h Fri Jan 30 11:01:52 2009 +0000 +++ b/src/qemu_conf.h Fri Jan 30 14:47:11 2009 +0000 @@ -1,7 +1,7 @@ /* * config.h: VM configuration management * - * Copyright (C) 2006, 2007 Red Hat, Inc. + * Copyright (C) 2006, 2007, 2009 Red Hat, Inc. * Copyright (C) 2006 Daniel P. Berrange * * This library is free software; you can redistribute it and/or @@ -53,6 +53,7 @@ enum qemud_cmd_flags { * since it had a design bug blocking the entire monitor console */ QEMUD_CMD_FLAG_MIGRATE_QEMU_TCP = (1 << 10), /* New migration syntax after merge to QEMU with TCP transport */ QEMUD_CMD_FLAG_MIGRATE_QEMU_EXEC = (1 << 11), /* New migration syntax after merge to QEMU with EXEC transport */ + QEMUD_CMD_FLAG_DRIVE_CACHE_V2 = (1 << 12), /* Is the cache= flag wanting new v2 values */ }; /* Main driver state */ diff -r 2ff2ff7734c2 tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v1-none.args --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v1-none.args Fri Jan 30 14:47:11 2009 +0000 @@ -0,0 +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 pty -pidfile /nowhere/QEMUGuest1.pid -no-acpi -boot c -drive file=/dev/HostVG/QEMUGuest1,if=ide,index=0,fmt=qcow2,cache=off -drive file=/dev/HostVG/QEMUGuest2,if=ide,media=cdrom,index=2,fmt=raw -net none -serial none -parallel none -usb diff -r 2ff2ff7734c2 tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v1-none.xml --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v1-none.xml Fri Jan 30 14:47:11 2009 +0000 @@ -0,0 +1,29 @@ +<domain type='qemu'> + <name>QEMUGuest1</name> + <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid> + <memory>219200</memory> + <currentMemory>219200</currentMemory> + <vcpu>1</vcpu> + <os> + <type arch='i686' machine='pc'>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> + <emulator>/usr/bin/qemu</emulator> + <disk type='block' device='disk'> + <driver name='qemu' type='qcow2' cache='none'/> + <source dev='/dev/HostVG/QEMUGuest1'/> + <target dev='hda' bus='ide'/> + </disk> + <disk type='block' device='cdrom'> + <driver name='qemu' type='raw'/> + <source dev='/dev/HostVG/QEMUGuest2'/> + <target dev='hdc' bus='ide'/> + <readonly/> + </disk> + </devices> +</domain> diff -r 2ff2ff7734c2 tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v1-wb.args --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v1-wb.args Fri Jan 30 14:47:11 2009 +0000 @@ -0,0 +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 pty -pidfile /nowhere/QEMUGuest1.pid -no-acpi -boot c -drive file=/dev/HostVG/QEMUGuest1,if=ide,index=0,fmt=qcow2,cache=on -drive file=/dev/HostVG/QEMUGuest2,if=ide,media=cdrom,index=2,fmt=raw -net none -serial none -parallel none -usb diff -r 2ff2ff7734c2 tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v1-wb.xml --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v1-wb.xml Fri Jan 30 14:47:11 2009 +0000 @@ -0,0 +1,29 @@ +<domain type='qemu'> + <name>QEMUGuest1</name> + <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid> + <memory>219200</memory> + <currentMemory>219200</currentMemory> + <vcpu>1</vcpu> + <os> + <type arch='i686' machine='pc'>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> + <emulator>/usr/bin/qemu</emulator> + <disk type='block' device='disk'> + <driver name='qemu' type='qcow2' cache='writeback'/> + <source dev='/dev/HostVG/QEMUGuest1'/> + <target dev='hda' bus='ide'/> + </disk> + <disk type='block' device='cdrom'> + <driver name='qemu' type='raw'/> + <source dev='/dev/HostVG/QEMUGuest2'/> + <target dev='hdc' bus='ide'/> + <readonly/> + </disk> + </devices> +</domain> diff -r 2ff2ff7734c2 tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v1-wt.args --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v1-wt.args Fri Jan 30 14:47:11 2009 +0000 @@ -0,0 +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 pty -pidfile /nowhere/QEMUGuest1.pid -no-acpi -boot c -drive file=/dev/HostVG/QEMUGuest1,if=ide,index=0,fmt=qcow2,cache=off -drive file=/dev/HostVG/QEMUGuest2,if=ide,media=cdrom,index=2,fmt=raw -net none -serial none -parallel none -usb diff -r 2ff2ff7734c2 tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v1-wt.xml --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v1-wt.xml Fri Jan 30 14:47:11 2009 +0000 @@ -0,0 +1,29 @@ +<domain type='qemu'> + <name>QEMUGuest1</name> + <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid> + <memory>219200</memory> + <currentMemory>219200</currentMemory> + <vcpu>1</vcpu> + <os> + <type arch='i686' machine='pc'>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> + <emulator>/usr/bin/qemu</emulator> + <disk type='block' device='disk'> + <driver name='qemu' type='qcow2' cache='writethrough'/> + <source dev='/dev/HostVG/QEMUGuest1'/> + <target dev='hda' bus='ide'/> + </disk> + <disk type='block' device='cdrom'> + <driver name='qemu' type='raw'/> + <source dev='/dev/HostVG/QEMUGuest2'/> + <target dev='hdc' bus='ide'/> + <readonly/> + </disk> + </devices> +</domain> diff -r 2ff2ff7734c2 tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v2-none.args --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v2-none.args Fri Jan 30 14:47:11 2009 +0000 @@ -0,0 +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 pty -pidfile /nowhere/QEMUGuest1.pid -no-acpi -boot c -drive file=/dev/HostVG/QEMUGuest1,if=ide,index=0,fmt=qcow2,cache=none -drive file=/dev/HostVG/QEMUGuest2,if=ide,media=cdrom,index=2,fmt=raw -net none -serial none -parallel none -usb diff -r 2ff2ff7734c2 tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v2-none.xml --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v2-none.xml Fri Jan 30 14:47:11 2009 +0000 @@ -0,0 +1,29 @@ +<domain type='qemu'> + <name>QEMUGuest1</name> + <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid> + <memory>219200</memory> + <currentMemory>219200</currentMemory> + <vcpu>1</vcpu> + <os> + <type arch='i686' machine='pc'>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> + <emulator>/usr/bin/qemu</emulator> + <disk type='block' device='disk'> + <driver name='qemu' type='qcow2' cache='none'/> + <source dev='/dev/HostVG/QEMUGuest1'/> + <target dev='hda' bus='ide'/> + </disk> + <disk type='block' device='cdrom'> + <driver name='qemu' type='raw'/> + <source dev='/dev/HostVG/QEMUGuest2'/> + <target dev='hdc' bus='ide'/> + <readonly/> + </disk> + </devices> +</domain> diff -r 2ff2ff7734c2 tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v2-wb.args --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v2-wb.args Fri Jan 30 14:47:11 2009 +0000 @@ -0,0 +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 pty -pidfile /nowhere/QEMUGuest1.pid -no-acpi -boot c -drive file=/dev/HostVG/QEMUGuest1,if=ide,index=0,fmt=qcow2,cache=writeback -drive file=/dev/HostVG/QEMUGuest2,if=ide,media=cdrom,index=2,fmt=raw -net none -serial none -parallel none -usb diff -r 2ff2ff7734c2 tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v2-wb.xml --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v2-wb.xml Fri Jan 30 14:47:11 2009 +0000 @@ -0,0 +1,29 @@ +<domain type='qemu'> + <name>QEMUGuest1</name> + <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid> + <memory>219200</memory> + <currentMemory>219200</currentMemory> + <vcpu>1</vcpu> + <os> + <type arch='i686' machine='pc'>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> + <emulator>/usr/bin/qemu</emulator> + <disk type='block' device='disk'> + <driver name='qemu' type='qcow2' cache='writeback'/> + <source dev='/dev/HostVG/QEMUGuest1'/> + <target dev='hda' bus='ide'/> + </disk> + <disk type='block' device='cdrom'> + <driver name='qemu' type='raw'/> + <source dev='/dev/HostVG/QEMUGuest2'/> + <target dev='hdc' bus='ide'/> + <readonly/> + </disk> + </devices> +</domain> diff -r 2ff2ff7734c2 tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v2-wt.args --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v2-wt.args Fri Jan 30 14:47:11 2009 +0000 @@ -0,0 +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 pty -pidfile /nowhere/QEMUGuest1.pid -no-acpi -boot c -drive file=/dev/HostVG/QEMUGuest1,if=ide,index=0,fmt=qcow2,cache=writethrough -drive file=/dev/HostVG/QEMUGuest2,if=ide,media=cdrom,index=2,fmt=raw -net none -serial none -parallel none -usb diff -r 2ff2ff7734c2 tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v2-wt.xml --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v2-wt.xml Fri Jan 30 14:47:11 2009 +0000 @@ -0,0 +1,29 @@ +<domain type='qemu'> + <name>QEMUGuest1</name> + <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid> + <memory>219200</memory> + <currentMemory>219200</currentMemory> + <vcpu>1</vcpu> + <os> + <type arch='i686' machine='pc'>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> + <emulator>/usr/bin/qemu</emulator> + <disk type='block' device='disk'> + <driver name='qemu' type='qcow2' cache='writethrough'/> + <source dev='/dev/HostVG/QEMUGuest1'/> + <target dev='hda' bus='ide'/> + </disk> + <disk type='block' device='cdrom'> + <driver name='qemu' type='raw'/> + <source dev='/dev/HostVG/QEMUGuest2'/> + <target dev='hdc' bus='ide'/> + <readonly/> + </disk> + </devices> +</domain> diff -r 2ff2ff7734c2 tests/qemuxml2argvdata/qemuxml2argv-disk-drive-shared.args --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-shared.args Fri Jan 30 14:47:11 2009 +0000 @@ -0,0 +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 pty -pidfile /nowhere/QEMUGuest1.pid -no-acpi -boot c -drive file=/dev/HostVG/QEMUGuest1,if=ide,index=0,fmt=qcow2,cache=off -drive file=/dev/HostVG/QEMUGuest2,if=ide,media=cdrom,index=2,fmt=raw -net none -serial none -parallel none -usb diff -r 2ff2ff7734c2 tests/qemuxml2argvdata/qemuxml2argv-disk-drive-shared.xml --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-shared.xml Fri Jan 30 14:47:11 2009 +0000 @@ -0,0 +1,30 @@ +<domain type='qemu'> + <name>QEMUGuest1</name> + <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid> + <memory>219200</memory> + <currentMemory>219200</currentMemory> + <vcpu>1</vcpu> + <os> + <type arch='i686' machine='pc'>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> + <emulator>/usr/bin/qemu</emulator> + <disk type='block' device='disk'> + <driver name='qemu' type='qcow2'/> + <source dev='/dev/HostVG/QEMUGuest1'/> + <target dev='hda' bus='ide'/> + <shareable/> + </disk> + <disk type='block' device='cdrom'> + <driver name='qemu' type='raw'/> + <source dev='/dev/HostVG/QEMUGuest2'/> + <target dev='hdc' bus='ide'/> + <readonly/> + </disk> + </devices> +</domain> diff -r 2ff2ff7734c2 tests/qemuxml2argvtest.c --- a/tests/qemuxml2argvtest.c Fri Jan 30 11:01:52 2009 +0000 +++ b/tests/qemuxml2argvtest.c Fri Jan 30 14:47:11 2009 +0000 @@ -201,6 +201,16 @@ mymain(int argc, char **argv) QEMUD_CMD_FLAG_DRIVE_BOOT); DO_TEST("disk-drive-fmt-qcow", QEMUD_CMD_FLAG_DRIVE | QEMUD_CMD_FLAG_DRIVE_BOOT); + DO_TEST("disk-drive-shared", QEMUD_CMD_FLAG_DRIVE); + DO_TEST("disk-drive-cache-v1-wt", QEMUD_CMD_FLAG_DRIVE); + DO_TEST("disk-drive-cache-v1-wb", QEMUD_CMD_FLAG_DRIVE); + DO_TEST("disk-drive-cache-v1-none", QEMUD_CMD_FLAG_DRIVE); + DO_TEST("disk-drive-cache-v2-wt", QEMUD_CMD_FLAG_DRIVE | + QEMUD_CMD_FLAG_DRIVE_CACHE_V2); + DO_TEST("disk-drive-cache-v2-wb", QEMUD_CMD_FLAG_DRIVE | + QEMUD_CMD_FLAG_DRIVE_CACHE_V2); + DO_TEST("disk-drive-cache-v2-none", QEMUD_CMD_FLAG_DRIVE | + QEMUD_CMD_FLAG_DRIVE_CACHE_V2); DO_TEST("disk-usb", 0); DO_TEST("graphics-vnc", 0); DO_TEST("graphics-sdl", 0); diff -r 2ff2ff7734c2 tests/qemuxml2xmltest.c --- a/tests/qemuxml2xmltest.c Fri Jan 30 11:01:52 2009 +0000 +++ b/tests/qemuxml2xmltest.c Fri Jan 30 14:47:11 2009 +0000 @@ -98,6 +98,9 @@ mymain(int argc, char **argv) DO_TEST("disk-xenvbd"); DO_TEST("disk-usb"); DO_TEST("disk-drive-fmt-qcow"); + DO_TEST("disk-drive-cache-v1-wt"); + DO_TEST("disk-drive-cache-v1-wb"); + DO_TEST("disk-drive-cache-v1-none"); DO_TEST("graphics-vnc"); DO_TEST("graphics-sdl"); DO_TEST("graphics-sdl-fullscreen"); -- |: Red Hat, Engineering, London -o- http://people.redhat.com/berrange/ :| |: http://libvirt.org -o- http://virt-manager.org -o- http://ovirt.org :| |: http://autobuild.org -o- http://search.cpan.org/~danberr/ :| |: GnuPG: 7D3B9505 -o- F3C9 553F A1DA 4AC2 5648 23C1 B3DF F742 7D3B 9505 :|