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https://gitlab.com/libvirt/libvirt.git
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qemu: Introduce qemuBuildBootCommandLine
Add new function to manage adding the -boot options to the command line removing that task from the mainline qemuBuildCommandLine. Signed-off-by: John Ferlan <jferlan@redhat.com>
This commit is contained in:
John Ferlan
parent
d6d31e00eb
commit
44616e3304
@ -5097,6 +5097,155 @@ qemuBuildPMCommandLine(virCommandPtr cmd,
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}
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static int
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qemuBuildBootCommandLine(virCommandPtr cmd,
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const virDomainDef *def,
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virQEMUCapsPtr qemuCaps,
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bool *emitBootindex)
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{
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size_t i;
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virBuffer boot_buf = VIR_BUFFER_INITIALIZER;
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char *boot_order_str = NULL, *boot_opts_str = NULL;
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/*
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* We prefer using explicit bootindex=N parameters for predictable
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* results even though domain XML doesn't use per device boot elements.
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* However, we can't use bootindex if boot menu was requested.
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*/
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if (!def->os.nBootDevs) {
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/* def->os.nBootDevs is guaranteed to be > 0 unless per-device boot
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* configuration is used
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*/
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if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_BOOTINDEX)) {
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virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
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_("hypervisor lacks deviceboot feature"));
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goto error;
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}
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*emitBootindex = true;
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} else if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_BOOTINDEX) &&
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(def->os.bootmenu != VIR_TRISTATE_BOOL_YES ||
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!virQEMUCapsGet(qemuCaps, QEMU_CAPS_BOOT_MENU))) {
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*emitBootindex = true;
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}
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if (!*emitBootindex) {
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char boot[VIR_DOMAIN_BOOT_LAST+1];
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for (i = 0; i < def->os.nBootDevs; i++) {
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switch (def->os.bootDevs[i]) {
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case VIR_DOMAIN_BOOT_CDROM:
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boot[i] = 'd';
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break;
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case VIR_DOMAIN_BOOT_FLOPPY:
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boot[i] = 'a';
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break;
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case VIR_DOMAIN_BOOT_DISK:
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boot[i] = 'c';
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break;
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case VIR_DOMAIN_BOOT_NET:
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boot[i] = 'n';
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break;
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default:
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boot[i] = 'c';
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break;
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}
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}
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boot[def->os.nBootDevs] = '\0';
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virBufferAsprintf(&boot_buf, "%s", boot);
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if (virBufferCheckError(&boot_buf) < 0)
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goto error;
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boot_order_str = virBufferContentAndReset(&boot_buf);
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}
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if (def->os.bootmenu) {
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if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_BOOT_MENU)) {
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if (def->os.bootmenu == VIR_TRISTATE_BOOL_YES)
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virBufferAddLit(&boot_buf, "menu=on,");
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else
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virBufferAddLit(&boot_buf, "menu=off,");
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} else {
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/* We cannot emit an error when bootmenu is enabled but
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* unsupported because of backward compatibility */
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VIR_WARN("bootmenu is enabled but not "
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"supported by this QEMU binary");
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}
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}
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if (def->os.bios.rt_set) {
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if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_REBOOT_TIMEOUT)) {
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virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
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_("reboot timeout is not supported "
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"by this QEMU binary"));
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goto error;
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}
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virBufferAsprintf(&boot_buf,
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"reboot-timeout=%d,",
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def->os.bios.rt_delay);
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}
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if (def->os.bm_timeout_set) {
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if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_SPLASH_TIMEOUT)) {
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virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
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_("splash timeout is not supported "
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"by this QEMU binary"));
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goto error;
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}
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virBufferAsprintf(&boot_buf, "splash-time=%u,", def->os.bm_timeout);
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}
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if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_BOOT_STRICT))
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virBufferAddLit(&boot_buf, "strict=on,");
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virBufferTrim(&boot_buf, ",", -1);
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if (virBufferCheckError(&boot_buf) < 0)
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goto error;
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boot_opts_str = virBufferContentAndReset(&boot_buf);
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if (boot_order_str || boot_opts_str) {
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virCommandAddArg(cmd, "-boot");
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if (boot_order_str && boot_opts_str) {
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virCommandAddArgFormat(cmd, "order=%s,%s",
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boot_order_str, boot_opts_str);
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} else if (boot_order_str) {
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virCommandAddArg(cmd, boot_order_str);
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} else if (boot_opts_str) {
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virCommandAddArg(cmd, boot_opts_str);
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}
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}
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VIR_FREE(boot_opts_str);
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VIR_FREE(boot_order_str);
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if (def->os.kernel)
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virCommandAddArgList(cmd, "-kernel", def->os.kernel, NULL);
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if (def->os.initrd)
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virCommandAddArgList(cmd, "-initrd", def->os.initrd, NULL);
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if (def->os.cmdline)
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virCommandAddArgList(cmd, "-append", def->os.cmdline, NULL);
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if (def->os.dtb) {
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if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DTB)) {
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virCommandAddArgList(cmd, "-dtb", def->os.dtb, NULL);
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} else {
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virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
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_("dtb is not supported with this QEMU binary"));
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goto error;
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}
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}
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return 0;
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error:
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VIR_FREE(boot_order_str);
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VIR_FREE(boot_opts_str);
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virBufferFreeAndReset(&boot_buf);
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return -1;
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}
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static int
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qemuBuildCpuModelArgStr(virQEMUDriverPtr driver,
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const virDomainDef *def,
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@ -7417,8 +7566,6 @@ qemuBuildCommandLine(virConnectPtr conn,
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VIR_DOMAIN_CONTROLLER_TYPE_CCID,
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};
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virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);
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virBuffer boot_buf = VIR_BUFFER_INITIALIZER;
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char *boot_order_str = NULL, *boot_opts_str = NULL;
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virBuffer fdc_opts = VIR_BUFFER_INITIALIZER;
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char *fdc_opts_str = NULL;
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int bootCD = 0, bootFloppy = 0, bootDisk = 0, bootHostdevNet = 0;
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@ -7522,135 +7669,9 @@ qemuBuildCommandLine(virConnectPtr conn,
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if (qemuBuildPMCommandLine(cmd, def, qemuCaps, monitor_json) < 0)
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goto error;
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/*
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* We prefer using explicit bootindex=N parameters for predictable
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* results even though domain XML doesn't use per device boot elements.
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* However, we can't use bootindex if boot menu was requested.
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*/
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if (!def->os.nBootDevs) {
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/* def->os.nBootDevs is guaranteed to be > 0 unless per-device boot
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* configuration is used
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*/
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if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_BOOTINDEX)) {
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virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
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_("hypervisor lacks deviceboot feature"));
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goto error;
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}
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emitBootindex = true;
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} else if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_BOOTINDEX) &&
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(def->os.bootmenu != VIR_TRISTATE_BOOL_YES ||
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!virQEMUCapsGet(qemuCaps, QEMU_CAPS_BOOT_MENU))) {
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emitBootindex = true;
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}
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if (!emitBootindex) {
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char boot[VIR_DOMAIN_BOOT_LAST+1];
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for (i = 0; i < def->os.nBootDevs; i++) {
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switch (def->os.bootDevs[i]) {
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case VIR_DOMAIN_BOOT_CDROM:
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boot[i] = 'd';
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break;
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case VIR_DOMAIN_BOOT_FLOPPY:
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boot[i] = 'a';
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break;
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case VIR_DOMAIN_BOOT_DISK:
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boot[i] = 'c';
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break;
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case VIR_DOMAIN_BOOT_NET:
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boot[i] = 'n';
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break;
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default:
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boot[i] = 'c';
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break;
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}
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}
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boot[def->os.nBootDevs] = '\0';
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virBufferAsprintf(&boot_buf, "%s", boot);
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if (virBufferCheckError(&boot_buf) < 0)
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goto error;
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boot_order_str = virBufferContentAndReset(&boot_buf);
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}
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if (def->os.bootmenu) {
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if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_BOOT_MENU)) {
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if (def->os.bootmenu == VIR_TRISTATE_BOOL_YES)
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virBufferAddLit(&boot_buf, "menu=on,");
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else
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virBufferAddLit(&boot_buf, "menu=off,");
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} else {
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/* We cannot emit an error when bootmenu is enabled but
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* unsupported because of backward compatibility */
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VIR_WARN("bootmenu is enabled but not "
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"supported by this QEMU binary");
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}
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}
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if (def->os.bios.rt_set) {
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if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_REBOOT_TIMEOUT)) {
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virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
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_("reboot timeout is not supported "
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"by this QEMU binary"));
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goto error;
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}
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virBufferAsprintf(&boot_buf,
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"reboot-timeout=%d,",
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def->os.bios.rt_delay);
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}
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if (def->os.bm_timeout_set) {
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if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_SPLASH_TIMEOUT)) {
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virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
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_("splash timeout is not supported "
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"by this QEMU binary"));
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goto error;
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}
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virBufferAsprintf(&boot_buf, "splash-time=%u,", def->os.bm_timeout);
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}
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if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_BOOT_STRICT))
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virBufferAddLit(&boot_buf, "strict=on,");
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virBufferTrim(&boot_buf, ",", -1);
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if (virBufferCheckError(&boot_buf) < 0)
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if (qemuBuildBootCommandLine(cmd, def, qemuCaps, &emitBootindex) < 0)
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goto error;
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boot_opts_str = virBufferContentAndReset(&boot_buf);
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if (boot_order_str || boot_opts_str) {
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virCommandAddArg(cmd, "-boot");
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if (boot_order_str && boot_opts_str) {
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virCommandAddArgFormat(cmd, "order=%s,%s",
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boot_order_str, boot_opts_str);
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} else if (boot_order_str) {
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virCommandAddArg(cmd, boot_order_str);
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} else if (boot_opts_str) {
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virCommandAddArg(cmd, boot_opts_str);
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}
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}
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VIR_FREE(boot_opts_str);
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VIR_FREE(boot_order_str);
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if (def->os.kernel)
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virCommandAddArgList(cmd, "-kernel", def->os.kernel, NULL);
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if (def->os.initrd)
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virCommandAddArgList(cmd, "-initrd", def->os.initrd, NULL);
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if (def->os.cmdline)
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virCommandAddArgList(cmd, "-append", def->os.cmdline, NULL);
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if (def->os.dtb) {
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if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DTB)) {
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virCommandAddArgList(cmd, "-dtb", def->os.dtb, NULL);
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} else {
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virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
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_("dtb is not supported with this QEMU binary"));
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goto error;
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}
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}
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for (i = 0; i < def->ncontrollers; i++) {
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virDomainControllerDefPtr cont = def->controllers[i];
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if (cont->type == VIR_DOMAIN_CONTROLLER_TYPE_PCI &&
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@ -9041,9 +9062,6 @@ qemuBuildCommandLine(virConnectPtr conn,
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return cmd;
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error:
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VIR_FREE(boot_order_str);
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VIR_FREE(boot_opts_str);
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virBufferFreeAndReset(&boot_buf);
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virObjectUnref(cfg);
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/* free up any resources in the network driver
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* but don't overwrite the original error */
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