mirror of
https://gitlab.com/libvirt/libvirt.git
synced 2024-11-03 11:51:11 +00:00
qemu: command: Merge checks from qemuBuildDriveStrValidate to qemuCheckDiskConfig
Stash all the disk definition and capability checks into one function.
This commit is contained in:
Peter Krempa
parent
5fb7ab2c9e
commit
1055c1bf24
@ -1199,9 +1199,17 @@ qemuCheckDiskConfigBlkdeviotune(virDomainDiskDefPtr disk,
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}
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/* Perform disk definition config validity checks */
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/**
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* qemuCheckDiskConfig:
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* @disk: disk definition
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* @qemuCaps: qemu capabilities, may be NULL for cold-plug check
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*
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* Perform disk definition config validity checks. Returns -1 on error with
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* error reported.
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*/
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int
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qemuCheckDiskConfig(virDomainDiskDefPtr disk)
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qemuCheckDiskConfig(virDomainDiskDefPtr disk,
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virQEMUCapsPtr qemuCaps)
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{
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if (virDiskNameToIndex(disk->dst) < 0) {
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virReportError(VIR_ERR_INTERNAL_ERROR,
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@ -1258,6 +1266,156 @@ qemuCheckDiskConfig(virDomainDiskDefPtr disk)
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return -1;
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}
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}
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switch (disk->bus) {
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case VIR_DOMAIN_DISK_BUS_SCSI:
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if (disk->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_DRIVE) {
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virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
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_("unexpected address type for scsi disk"));
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return -1;
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}
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/* Setting bus= attr for SCSI drives, causes a controller
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* to be created. Yes this is slightly odd. It is not possible
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* to have > 1 bus on a SCSI controller (yet). */
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if (disk->info.addr.drive.bus != 0) {
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virReportError(VIR_ERR_INTERNAL_ERROR,
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"%s", _("SCSI controller only supports 1 bus"));
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return -1;
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}
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break;
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case VIR_DOMAIN_DISK_BUS_IDE:
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if (disk->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_DRIVE) {
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virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
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_("unexpected address type for ide disk"));
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return -1;
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}
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/* We can only have 1 IDE controller (currently) */
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if (disk->info.addr.drive.controller != 0) {
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virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
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_("Only 1 IDE controller is supported"));
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return -1;
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}
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break;
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case VIR_DOMAIN_DISK_BUS_FDC:
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if (disk->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_DRIVE) {
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virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
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_("unexpected address type for fdc disk"));
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return -1;
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}
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/* We can only have 1 FDC controller (currently) */
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if (disk->info.addr.drive.controller != 0) {
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virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
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_("Only 1 fdc controller is supported"));
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return -1;
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}
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/* We can only have 1 FDC bus (currently) */
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if (disk->info.addr.drive.bus != 0) {
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virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
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_("Only 1 fdc bus is supported"));
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return -1;
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}
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if (disk->info.addr.drive.target != 0) {
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virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
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_("target must be 0 for controller fdc"));
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return -1;
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}
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break;
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case VIR_DOMAIN_DISK_BUS_VIRTIO:
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case VIR_DOMAIN_DISK_BUS_XEN:
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case VIR_DOMAIN_DISK_BUS_SD:
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break;
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}
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if (disk->src->readonly &&
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disk->device == VIR_DOMAIN_DISK_DEVICE_DISK) {
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if (disk->bus == VIR_DOMAIN_DISK_BUS_IDE) {
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virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
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_("readonly ide disks are not supported"));
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return -1;
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}
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if (disk->bus == VIR_DOMAIN_DISK_BUS_SATA) {
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virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
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_("readonly sata disks are not supported"));
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return -1;
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}
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}
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if (disk->transient) {
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virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
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_("transient disks not supported yet"));
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return -1;
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}
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if (disk->iomode == VIR_DOMAIN_DISK_IO_NATIVE &&
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disk->cachemode != VIR_DOMAIN_DISK_CACHE_DIRECTSYNC &&
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disk->cachemode != VIR_DOMAIN_DISK_CACHE_DISABLE) {
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virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
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_("native I/O needs either no disk cache "
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"or directsync cache mode, QEMU will fallback "
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"to aio=threads"));
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return -1;
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}
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if (qemuCaps) {
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if (disk->serial &&
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virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE_SERIAL)) {
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if (disk->bus == VIR_DOMAIN_DISK_BUS_SCSI &&
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disk->device == VIR_DOMAIN_DISK_DEVICE_LUN) {
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virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
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_("scsi-block 'lun' devices do not support the "
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"serial property"));
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return -1;
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}
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}
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if (disk->cachemode == VIR_DOMAIN_DISK_CACHE_DIRECTSYNC &&
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!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE_CACHE_DIRECTSYNC)) {
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virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
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_("disk cache mode 'directsync' is not supported by this QEMU"));
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return -1;
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}
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if (disk->cachemode == VIR_DOMAIN_DISK_CACHE_UNSAFE &&
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!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE_CACHE_UNSAFE)) {
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virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
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_("disk cache mode 'unsafe' is not supported by this QEMU"));
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return -1;
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}
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if (disk->copy_on_read &&
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!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE_COPY_ON_READ)) {
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virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
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_("copy_on_read is not supported by this QEMU binary"));
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return -1;
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}
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if (disk->discard &&
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!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE_DISCARD)) {
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virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
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_("discard is not supported by this QEMU binary"));
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return -1;
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}
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if (disk->detect_zeroes &&
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!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE_DETECT_ZEROES)) {
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virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
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_("detect_zeroes is not supported by this QEMU binary"));
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return -1;
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}
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if (disk->iomode &&
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!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE_AIO)) {
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virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
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_("disk aio mode not supported with this QEMU binary"));
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return -1;
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}
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}
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return 0;
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}
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@ -1465,163 +1623,6 @@ qemuBuildDriveSourceStr(virDomainDiskDefPtr disk,
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}
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static int
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qemuBuildDriveStrValidate(virDomainDiskDefPtr disk,
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virQEMUCapsPtr qemuCaps)
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{
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switch (disk->bus) {
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case VIR_DOMAIN_DISK_BUS_SCSI:
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if (disk->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_DRIVE) {
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virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
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_("unexpected address type for scsi disk"));
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return -1;
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}
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/* Setting bus= attr for SCSI drives, causes a controller
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* to be created. Yes this is slightly odd. It is not possible
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* to have > 1 bus on a SCSI controller (yet). */
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if (disk->info.addr.drive.bus != 0) {
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virReportError(VIR_ERR_INTERNAL_ERROR,
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"%s", _("SCSI controller only supports 1 bus"));
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return -1;
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}
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break;
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case VIR_DOMAIN_DISK_BUS_IDE:
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if (disk->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_DRIVE) {
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virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
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_("unexpected address type for ide disk"));
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return -1;
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}
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/* We can only have 1 IDE controller (currently) */
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if (disk->info.addr.drive.controller != 0) {
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virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
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_("Only 1 IDE controller is supported"));
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return -1;
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}
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break;
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case VIR_DOMAIN_DISK_BUS_FDC:
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if (disk->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_DRIVE) {
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virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
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_("unexpected address type for fdc disk"));
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return -1;
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}
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/* We can only have 1 FDC controller (currently) */
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if (disk->info.addr.drive.controller != 0) {
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virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
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_("Only 1 fdc controller is supported"));
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return -1;
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}
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/* We can only have 1 FDC bus (currently) */
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if (disk->info.addr.drive.bus != 0) {
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virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
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_("Only 1 fdc bus is supported"));
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return -1;
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}
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if (disk->info.addr.drive.target != 0) {
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virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
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_("target must be 0 for controller fdc"));
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return -1;
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}
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break;
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case VIR_DOMAIN_DISK_BUS_VIRTIO:
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case VIR_DOMAIN_DISK_BUS_XEN:
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case VIR_DOMAIN_DISK_BUS_SD:
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break;
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}
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if (disk->src->readonly &&
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disk->device == VIR_DOMAIN_DISK_DEVICE_DISK) {
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if (disk->bus == VIR_DOMAIN_DISK_BUS_IDE) {
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virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
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_("readonly ide disks are not supported"));
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return -1;
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}
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if (disk->bus == VIR_DOMAIN_DISK_BUS_SATA) {
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virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
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_("readonly sata disks are not supported"));
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return -1;
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}
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}
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if (disk->transient) {
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virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
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_("transient disks not supported yet"));
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return -1;
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}
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if (disk->iomode == VIR_DOMAIN_DISK_IO_NATIVE &&
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disk->cachemode != VIR_DOMAIN_DISK_CACHE_DIRECTSYNC &&
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disk->cachemode != VIR_DOMAIN_DISK_CACHE_DISABLE) {
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virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
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_("native I/O needs either no disk cache "
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"or directsync cache mode, QEMU will fallback "
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"to aio=threads"));
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return -1;
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}
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if (qemuCaps) {
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if (disk->serial &&
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virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE_SERIAL)) {
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if (disk->bus == VIR_DOMAIN_DISK_BUS_SCSI &&
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disk->device == VIR_DOMAIN_DISK_DEVICE_LUN) {
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virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
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_("scsi-block 'lun' devices do not support the "
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"serial property"));
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return -1;
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}
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}
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if (disk->cachemode == VIR_DOMAIN_DISK_CACHE_DIRECTSYNC &&
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!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE_CACHE_DIRECTSYNC)) {
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virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
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_("disk cache mode 'directsync' is not supported by this QEMU"));
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return -1;
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}
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if (disk->cachemode == VIR_DOMAIN_DISK_CACHE_UNSAFE &&
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!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE_CACHE_UNSAFE)) {
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virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
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_("disk cache mode 'unsafe' is not supported by this QEMU"));
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return -1;
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}
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if (disk->copy_on_read &&
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!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE_COPY_ON_READ)) {
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virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
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_("copy_on_read is not supported by this QEMU binary"));
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return -1;
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}
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if (disk->discard &&
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!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE_DISCARD)) {
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virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
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_("discard is not supported by this QEMU binary"));
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return -1;
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}
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if (disk->detect_zeroes &&
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!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE_DETECT_ZEROES)) {
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virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
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_("detect_zeroes is not supported by this QEMU binary"));
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return -1;
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}
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if (disk->iomode &&
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!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE_AIO)) {
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virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
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_("disk aio mode not supported with this QEMU binary"));
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return -1;
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}
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}
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return 0;
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}
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char *
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qemuBuildDriveStr(virDomainDiskDefPtr disk,
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virQEMUDriverConfigPtr cfg,
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@ -1633,7 +1634,9 @@ qemuBuildDriveStr(virDomainDiskDefPtr disk,
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virDomainDiskGeometryTransTypeToString(disk->geometry.trans);
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bool emitDeviceSyntax = qemuDiskBusNeedsDeviceArg(disk->bus);
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if (qemuBuildDriveStrValidate(disk, qemuCaps) < 0)
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/* if we are using -device this will be checked elsewhere */
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if (!emitDeviceSyntax &&
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qemuCheckDiskConfig(disk, qemuCaps) < 0)
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goto error;
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if (qemuBuildDriveSourceStr(disk, cfg, &opt, qemuCaps) < 0)
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@ -1873,7 +1876,7 @@ qemuBuildDriveDevStr(const virDomainDef *def,
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char *drivealias;
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int controllerModel;
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if (qemuCheckDiskConfig(disk) < 0)
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if (qemuCheckDiskConfig(disk, qemuCaps) < 0)
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goto error;
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if (!qemuDomainCheckCCWS390AddressSupport(def, disk->info, qemuCaps, disk->dst))
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@ -177,7 +177,8 @@ int qemuGetDriveSourceString(virStorageSourcePtr src,
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qemuDomainSecretInfoPtr secinfo,
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char **source);
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int qemuCheckDiskConfig(virDomainDiskDefPtr disk);
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int qemuCheckDiskConfig(virDomainDiskDefPtr disk,
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virQEMUCapsPtr qemuCaps);
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bool
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qemuCheckFips(void);
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@ -7936,7 +7936,7 @@ qemuDomainAttachDeviceConfig(virDomainDefPtr vmdef,
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}
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if (virStorageTranslateDiskSourcePool(conn, disk) < 0)
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return -1;
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if (qemuCheckDiskConfig(disk) < 0)
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if (qemuCheckDiskConfig(disk, NULL) < 0)
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return -1;
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if (virDomainDiskInsert(vmdef, disk))
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return -1;
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