[libvirt] [PATCH V5 09/12] src/xenxs: Refactor code formating OS config
David Kiarie
davidkiarie4 at gmail.com
Thu Aug 14 15:04:34 UTC 2014
On Thu, Aug 14, 2014 at 12:15:32AM -0600, Jim Fehlig wrote:
> Kiarie Kahurani wrote:
> > introduce function
> > xenFormatXMOS(virConfPtr conf,........);
> >
>
> I split this into three functions:
>
> - xenFormatXMEmulator
> - xenFormatXMCDROM
> - xenFormatXMOS
>
> Formating of emulator and cdrom can be different between xm and xl, and
> we may want to account for that in the near future.
>
> > which formats OS config instead
> >
> > Signed-off-by: Kiarie Kahurani <davidkiarie4 at gmail.com>
> > ---
> > src/xenxs/xen_xm.c | 95 ++++++++++++----------
> > tests/xmconfigdata/test-escape-paths.cfg | 2 +-
> > tests/xmconfigdata/test-fullvirt-force-hpet.cfg | 2 +-
> > tests/xmconfigdata/test-fullvirt-force-nohpet.cfg | 2 +-
> > tests/xmconfigdata/test-fullvirt-localtime.cfg | 2 +-
> > tests/xmconfigdata/test-fullvirt-net-ioemu.cfg | 2 +-
> > tests/xmconfigdata/test-fullvirt-net-netfront.cfg | 2 +-
> > tests/xmconfigdata/test-fullvirt-new-cdrom.cfg | 2 +-
> > tests/xmconfigdata/test-fullvirt-old-cdrom.cfg | 2 +-
> > tests/xmconfigdata/test-fullvirt-parallel-tcp.cfg | 2 +-
> > .../test-fullvirt-serial-dev-2-ports.cfg | 2 +-
> > .../test-fullvirt-serial-dev-2nd-port.cfg | 2 +-
> > tests/xmconfigdata/test-fullvirt-serial-file.cfg | 2 +-
> > tests/xmconfigdata/test-fullvirt-serial-null.cfg | 2 +-
> > tests/xmconfigdata/test-fullvirt-serial-pipe.cfg | 2 +-
> > tests/xmconfigdata/test-fullvirt-serial-pty.cfg | 2 +-
> > tests/xmconfigdata/test-fullvirt-serial-stdio.cfg | 2 +-
> > .../test-fullvirt-serial-tcp-telnet.cfg | 2 +-
> > tests/xmconfigdata/test-fullvirt-serial-tcp.cfg | 2 +-
> > tests/xmconfigdata/test-fullvirt-serial-udp.cfg | 2 +-
> > tests/xmconfigdata/test-fullvirt-serial-unix.cfg | 2 +-
> > tests/xmconfigdata/test-fullvirt-sound.cfg | 2 +-
> > tests/xmconfigdata/test-fullvirt-usbmouse.cfg | 2 +-
> > tests/xmconfigdata/test-fullvirt-usbtablet.cfg | 2 +-
> > tests/xmconfigdata/test-fullvirt-utc.cfg | 2 +-
> > tests/xmconfigdata/test-no-source-cdrom.cfg | 2 +-
> > tests/xmconfigdata/test-pci-devs.cfg | 2 +-
> >
>
> Avoids changing all the test data files too. Simplified patch below.
>
> BTW, I got interrupted during my earlier review, so "will push shortly"
> had changed to "will push tomorrow" :-).
>
> Regards,
> Jim
>
> From 76824b192ecac2d9f19406c11446b616ca96e9d4 Mon Sep 17 00:00:00 2001
> From: Kiarie Kahurani <davidkiarie4 at gmail.com>
> Date: Tue, 12 Aug 2014 00:21:32 +0300
> Subject: [PATCH 08/11] src/xenxs: Refactor code formating OS config
>
> introduce functions
> xenFormatXMEmulator(virConfPtr conf,........);
> xenFormatXMCDROM(virConfPtr conf, .......);
> xenFormatXMOS(virConfPtr conf,........);
> which formats OS and associated config instead
>
> Signed-off-by: Kiarie Kahurani <davidkiarie4 at gmail.com>
> Signed-off-by: Jim Fehlig <jfehlig at suse.com>
> ---
> src/xenxs/xen_xm.c | 161 +++++++++++++++++++++++++++++++++--------------------
> 1 file changed, 101 insertions(+), 60 deletions(-)
>
> diff --git a/src/xenxs/xen_xm.c b/src/xenxs/xen_xm.c
> index 432fee2..72ae913 100644
> --- a/src/xenxs/xen_xm.c
> +++ b/src/xenxs/xen_xm.c
> @@ -2021,42 +2021,57 @@ xenFormatXMCPUFeatures(virConfPtr conf,
> }
>
>
> -/* Computing the vcpu_avail bitmask works because MAX_VIRT_CPUS is
> - either 32, or 64 on a platform where long is big enough. */
> -verify(MAX_VIRT_CPUS <= sizeof(1UL) * CHAR_BIT);
> +static int
> +xenFormatXMEmulator(virConfPtr conf, virDomainDefPtr def)
> +{
> + if (def->emulator &&
> + xenXMConfigSetString(conf, "device_model", def->emulator) < 0)
> + return -1;
>
> -virConfPtr
> -xenFormatXM(virConnectPtr conn,
> - virDomainDefPtr def,
> - int xendConfigVersion)
> + return 0;
> +}
> +
> +
> +static int
> +xenFormatXMCDROM(virConfPtr conf,
> + virDomainDefPtr def,
> + int xendConfigVersion)
> {
> - virConfPtr conf = NULL;
> - int hvm = 0;
> size_t i;
> - virConfValuePtr netVal = NULL;
> -
> - if (!(conf = virConfNew()))
> - goto cleanup;
>
> - if (xenFormatXMGeneralMeta(conf, def) < 0)
> - goto cleanup;
> + if (STREQ(def->os.type, "hvm")) {
> + if (xendConfigVersion == XEND_CONFIG_VERSION_3_0_2) {
> + for (i = 0; i < def->ndisks; i++) {
> + if (def->disks[i]->device == VIR_DOMAIN_DISK_DEVICE_CDROM &&
> + def->disks[i]->dst &&
> + STREQ(def->disks[i]->dst, "hdc") &&
> + virDomainDiskGetSource(def->disks[i])) {
> + if (xenXMConfigSetString(conf, "cdrom",
> + virDomainDiskGetSource(def->disks[i])) < 0)
> + return -1;
> + break;
> + }
> + }
> + }
> + }
>
> - if (xenFormatXMMem(conf, def) < 0)
> - goto cleanup;
> + return 0;
> +}
>
> - if (xenFormatXMCPUAllocation(conf, def) < 0)
> - goto cleanup;
>
> - hvm = STREQ(def->os.type, "hvm") ? 1 : 0;
> +static int
> +xenFormatXMOS(virConfPtr conf, virDomainDefPtr def)
> +{
> + size_t i;
>
> - if (hvm) {
> + if (STREQ(def->os.type, "hvm")) {
> char boot[VIR_DOMAIN_BOOT_LAST+1];
> if (xenXMConfigSetString(conf, "builder", "hvm") < 0)
> - goto cleanup;
> + return -1;
>
> if (def->os.loader &&
> xenXMConfigSetString(conf, "kernel", def->os.loader) < 0)
> - goto cleanup;
> + return -1;
>
> for (i = 0; i < def->os.nBootDevs; i++) {
> switch (def->os.bootDevs[i]) {
> @@ -2075,6 +2090,7 @@ xenFormatXM(virConnectPtr conn,
> break;
> }
> }
> +
> if (!def->os.nBootDevs) {
> boot[0] = 'c';
> boot[1] = '\0';
> @@ -2083,43 +2099,69 @@ xenFormatXM(virConnectPtr conn,
> }
>
> if (xenXMConfigSetString(conf, "boot", boot) < 0)
> - goto cleanup;
> -
> - if (xenFormatXMCPUFeatures(conf, def, xendConfigVersion) < 0)
> - goto cleanup;
> -
> - if (xendConfigVersion == XEND_CONFIG_VERSION_3_0_2) {
> - for (i = 0; i < def->ndisks; i++) {
> - if (def->disks[i]->device == VIR_DOMAIN_DISK_DEVICE_CDROM &&
> - def->disks[i]->dst &&
> - STREQ(def->disks[i]->dst, "hdc") &&
> - virDomainDiskGetSource(def->disks[i])) {
> - if (xenXMConfigSetString(conf, "cdrom",
> - virDomainDiskGetSource(def->disks[i])) < 0)
> - goto cleanup;
> - break;
> - }
> - }
> - }
> + return -1;
>
> /* XXX floppy disks */
> } else {
> if (def->os.bootloader &&
> - xenXMConfigSetString(conf, "bootloader", def->os.bootloader) < 0)
> - goto cleanup;
> - if (def->os.bootloaderArgs &&
> - xenXMConfigSetString(conf, "bootargs", def->os.bootloaderArgs) < 0)
> - goto cleanup;
> - if (def->os.kernel &&
> - xenXMConfigSetString(conf, "kernel", def->os.kernel) < 0)
> - goto cleanup;
> - if (def->os.initrd &&
> - xenXMConfigSetString(conf, "ramdisk", def->os.initrd) < 0)
> - goto cleanup;
> - if (def->os.cmdline &&
> - xenXMConfigSetString(conf, "extra", def->os.cmdline) < 0)
> - goto cleanup;
> - } /* !hvm */
> + xenXMConfigSetString(conf, "bootloader", def->os.bootloader) < 0)
> + return -1;
> +
> + if (def->os.bootloaderArgs &&
> + xenXMConfigSetString(conf, "bootargs", def->os.bootloaderArgs) < 0)
> + return -1;
> +
> + if (def->os.kernel &&
> + xenXMConfigSetString(conf, "kernel", def->os.kernel) < 0)
> + return -1;
> +
> + if (def->os.initrd &&
> + xenXMConfigSetString(conf, "ramdisk", def->os.initrd) < 0)
> + return -1;
> +
> + if (def->os.cmdline &&
> + xenXMConfigSetString(conf, "extra", def->os.cmdline) < 0)
> + return -1;
> + } /* !hvm */
> +
> + return 0;
> +}
> +
> +
> +/* Computing the vcpu_avail bitmask works because MAX_VIRT_CPUS is
> + either 32, or 64 on a platform where long is big enough. */
> +verify(MAX_VIRT_CPUS <= sizeof(1UL) * CHAR_BIT);
> +
> +virConfPtr
> +xenFormatXM(virConnectPtr conn,
> + virDomainDefPtr def,
> + int xendConfigVersion)
> +{
> + virConfPtr conf = NULL;
> + int hvm = STREQ(def->os.type, "hvm") ? 1 : 0;
> + size_t i;
> + virConfValuePtr netVal = NULL;
> +
> + if (!(conf = virConfNew()))
> + goto cleanup;
> +
> + if (xenFormatXMGeneralMeta(conf, def) < 0)
> + goto cleanup;
> +
> + if (xenFormatXMMem(conf, def) < 0)
> + goto cleanup;
> +
> + if (xenFormatXMCPUAllocation(conf, def) < 0)
> + goto cleanup;
> +
> + if (xenFormatXMOS(conf, def) < 0)
> + goto cleanup;
> +
> + if (xenFormatXMCPUFeatures(conf, def, xendConfigVersion) < 0)
> + goto cleanup;
> +
> + if (xenFormatXMCDROM(conf, def, xendConfigVersion) < 0)
> + goto cleanup;
>
> if (xenFormatXMTimeOffset(conf, def, xendConfigVersion) < 0)
> goto cleanup;
> @@ -2127,11 +2169,10 @@ xenFormatXM(virConnectPtr conn,
> if (xenFormatXMEventActions(conf, def) < 0)
> goto cleanup;
>
> - if (hvm) {
> - if (def->emulator &&
> - xenXMConfigSetString(conf, "device_model", def->emulator) < 0)
> - goto cleanup;
> + if (xenFormatXMEmulator(conf, def) < 0)
> + goto cleanup;
>
> + if (hvm) {
> for (i = 0; i < def->ninputs; i++) {
> if (def->inputs[i]->bus == VIR_DOMAIN_INPUT_BUS_USB) {
> if (xenXMConfigSetInt(conf, "usb", 1) < 0)
> --
> 1.8.4.5
>
Looks better too.
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