diff options
-rw-r--r-- | src/qemu/qemu_capabilities.c | 11 | ||||
-rw-r--r-- | src/qemu/qemu_capabilities.h | 1 | ||||
-rw-r--r-- | src/qemu/qemu_command.c | 8 | ||||
-rw-r--r-- | tests/qemuhelptest.c | 12 | ||||
-rw-r--r-- | tests/qemuxml2argvdata/qemuxml2argv-disk-iolimits.args | 9 | ||||
-rw-r--r-- | tests/qemuxml2argvdata/qemuxml2argv-disk-iolimits.xml | 33 | ||||
-rw-r--r-- | tests/qemuxml2argvtest.c | 3 |
7 files changed, 73 insertions, 4 deletions
diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c index 5472267a3..7b29a813a 100644 --- a/src/qemu/qemu_capabilities.c +++ b/src/qemu/qemu_capabilities.c @@ -172,6 +172,7 @@ VIR_ENUM_IMPL(qemuCaps, QEMU_CAPS_LAST, "bridge", /* 100 */ "lsi", "virtio-scsi-pci", + "iolimits", ); @@ -1499,6 +1500,16 @@ qemuCapsParseDeviceStr(const char *str, virBitmapPtr flags) qemuCapsSet(flags, QEMU_CAPS_SCSI_CD); if (strstr(str, "ide-cd")) qemuCapsSet(flags, QEMU_CAPS_IDE_CD); + /* + * the iolimit detection is not really straight forward: + * in qemu this is a capability of the block layer, if + * present any of -device scsi-disk, virtio-blk-*, ... + * will offer to specify logical and physical block size + * and other properties... + */ + if (strstr(str, ".logical_block_size") && + strstr(str, ".physical_block_size")) + qemuCapsSet(flags, QEMU_CAPS_IOLIMITS); return 0; } diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h index d60689015..b0e41ba49 100644 --- a/src/qemu/qemu_capabilities.h +++ b/src/qemu/qemu_capabilities.h @@ -138,6 +138,7 @@ enum qemuCapsFlags { QEMU_CAPS_NETDEV_BRIDGE = 100, /* bridge helper support */ QEMU_CAPS_SCSI_LSI = 101, /* -device lsi */ QEMU_CAPS_VIRTIO_SCSI_PCI = 102, /* -device virtio-scsi-pci */ + QEMU_CAPS_IOLIMITS = 103, /* -device ...logical_block_size & co */ QEMU_CAPS_LAST, /* this must always be the last item */ }; diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c index 25f2451f9..51a225b2a 100644 --- a/src/qemu/qemu_command.c +++ b/src/qemu/qemu_command.c @@ -2637,6 +2637,14 @@ qemuBuildDriveDevStr(virDomainDefPtr def, virBufferAsprintf(&opt, ",id=%s", disk->info.alias); if (bootindex && qemuCapsGet(qemuCaps, QEMU_CAPS_BOOTINDEX)) virBufferAsprintf(&opt, ",bootindex=%d", bootindex); + if (qemuCapsGet(qemuCaps, QEMU_CAPS_IOLIMITS)) { + if (disk->iolimits.logical_block_size > 0) + virBufferAsprintf(&opt, ",logical_block_size=%u", + disk->iolimits.logical_block_size); + if (disk->iolimits.physical_block_size > 0) + virBufferAsprintf(&opt, ",physical_block_size=%u", + disk->iolimits.physical_block_size); + } if (virBufferError(&opt)) { virReportOOMError(); diff --git a/tests/qemuhelptest.c b/tests/qemuhelptest.c index 2d15c9499..a391edde7 100644 --- a/tests/qemuhelptest.c +++ b/tests/qemuhelptest.c @@ -540,7 +540,8 @@ mymain(void) QEMU_CAPS_NO_ACPI, QEMU_CAPS_VIRTIO_BLK_SCSI, QEMU_CAPS_VIRTIO_BLK_SG_IO, - QEMU_CAPS_CPU_HOST); + QEMU_CAPS_CPU_HOST, + QEMU_CAPS_IOLIMITS); DO_TEST("qemu-kvm-0.12.1.2-rhel62-beta", 12001, 1, 0, QEMU_CAPS_VNC_COLON, QEMU_CAPS_NO_REBOOT, @@ -607,7 +608,8 @@ mymain(void) QEMU_CAPS_VIRTIO_BLK_SG_IO, QEMU_CAPS_DRIVE_COPY_ON_READ, QEMU_CAPS_CPU_HOST, - QEMU_CAPS_SCSI_CD); + QEMU_CAPS_SCSI_CD, + QEMU_CAPS_IOLIMITS); DO_TEST("qemu-1.0", 1000000, 0, 0, QEMU_CAPS_VNC_COLON, QEMU_CAPS_NO_REBOOT, @@ -679,7 +681,8 @@ mymain(void) QEMU_CAPS_SCSI_BLOCK, QEMU_CAPS_SCSI_CD, QEMU_CAPS_IDE_CD, - QEMU_CAPS_SCSI_LSI); + QEMU_CAPS_SCSI_LSI, + QEMU_CAPS_IOLIMITS); DO_TEST("qemu-1.1.0", 1001000, 0, 0, QEMU_CAPS_VNC_COLON, QEMU_CAPS_NO_REBOOT, @@ -759,7 +762,8 @@ mymain(void) QEMU_CAPS_NEC_USB_XHCI, QEMU_CAPS_NETDEV_BRIDGE, QEMU_CAPS_SCSI_LSI, - QEMU_CAPS_VIRTIO_SCSI_PCI); + QEMU_CAPS_VIRTIO_SCSI_PCI, + QEMU_CAPS_IOLIMITS); return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE; } diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-iolimits.args b/tests/qemuxml2argvdata/qemuxml2argv-disk-iolimits.args new file mode 100644 index 000000000..5fb136753 --- /dev/null +++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-iolimits.args @@ -0,0 +1,9 @@ +LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test \ +/usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -nodefconfig -nodefaults \ +-monitor unix:/tmp/test-monitor,server,nowait -no-acpi -boot c \ +-drive file=/dev/HostVG/QEMUGuest1,if=none,id=drive-ide0-0-1 \ +-device ide-cd,bus=ide.0,unit=1,drive=drive-ide0-0-1,id=ide0-0-1 \ +-drive file=/tmp/idedisk.img,if=none,id=drive-ide0-0-2 \ +-device ide-hd,bus=ide.0,unit=2,drive=drive-ide0-0-2,id=ide0-0-2,\ +logical_block_size=512,physical_block_size=512 \ +-usb -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x4 diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-iolimits.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-iolimits.xml new file mode 100644 index 000000000..440984b0e --- /dev/null +++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-iolimits.xml @@ -0,0 +1,33 @@ +<domain type='qemu'> + <name>QEMUGuest1</name> + <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid> + <memory unit='KiB'>219136</memory> + <currentMemory unit='KiB'>219136</currentMemory> + <vcpu placement='static'>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='cdrom'> + <source dev='/dev/HostVG/QEMUGuest1'/> + <target dev='hda' bus='ide'/> + <address type='drive' controller='0' bus='0' target='0' unit='1'/> + </disk> + <disk type='file' device='disk'> + <source file='/tmp/idedisk.img'/> + <target dev='hdc' bus='ide'/> + <address type='drive' controller='0' bus='0' target='0' unit='2'/> + <iolimits logical_block_size='512' physical_block_size='512'/> + </disk> + <controller type='usb' index='0'/> + <controller type='ide' index='0'/> + <controller type='ide' index='1'/> + <memballoon model='virtio'/> + </devices> +</domain> diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c index 71513fb2a..cc5b2c137 100644 --- a/tests/qemuxml2argvtest.c +++ b/tests/qemuxml2argvtest.c @@ -789,6 +789,9 @@ mymain(void) QEMU_CAPS_IDE_CD); DO_TEST("disk-geometry", QEMU_CAPS_DRIVE); + DO_TEST("disk-iolimits", + QEMU_CAPS_DRIVE, QEMU_CAPS_DEVICE, QEMU_CAPS_NODEFCONFIG, + QEMU_CAPS_IDE_CD, QEMU_CAPS_IOLIMITS); VIR_FREE(driver.stateDir); virCapabilitiesFree(driver.caps); |