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libvirt/bcef0f01-libxl-console.patch
James Fehlig 10c35258ed - Backport upstream patch implementing domainOpenConsole in the 
libxl driver.  Allows 'virsh console dom-name' to work with
  Xen libxl toolstack.
  bcef0f01-libxl-console.patch

OBS-URL: https://build.opensuse.org/package/show/Virtualization/libvirt?expand=0&rev=292
2013-07-31 22:56:30 +00:00

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commit bcef0f01585a63626d29126a8dcbf1e222f70145
Author: Bamvor Jian Zhang <bjzhang@suse.com>
Date: Fri Jul 26 11:30:50 2013 +0800
add console support in libxl
this patch introduce the console api in libxl driver for both pv and
hvm guest. and import and update the libxlMakeChrdevStr function
which was deleted in commit dfa1e1dd.
Signed-off-by: Bamvor Jian Zhang <bjzhang@suse.com>
Index: libvirt-1.1.1/src/libxl/libxl_conf.c
===================================================================
--- libvirt-1.1.1.orig/src/libxl/libxl_conf.c
+++ libvirt-1.1.1/src/libxl/libxl_conf.c
@@ -331,6 +331,92 @@ error:
}
static int
+libxlMakeChrdevStr(virDomainChrDefPtr def, char **buf)
+{
+ virDomainChrSourceDef srcdef = def->source;
+ const char *type = virDomainChrTypeToString(srcdef.type);
+
+ if (!type) {
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
+ "%s", _("unknown chrdev type"));
+ return -1;
+ }
+
+ switch (srcdef.type) {
+ case VIR_DOMAIN_CHR_TYPE_NULL:
+ case VIR_DOMAIN_CHR_TYPE_STDIO:
+ case VIR_DOMAIN_CHR_TYPE_VC:
+ case VIR_DOMAIN_CHR_TYPE_PTY:
+ if (VIR_STRDUP(*buf, type) < 0)
+ return -1;
+ break;
+
+ case VIR_DOMAIN_CHR_TYPE_FILE:
+ case VIR_DOMAIN_CHR_TYPE_PIPE:
+ if (virAsprintf(buf, "%s:%s", type, srcdef.data.file.path) < 0)
+ return -1;
+ break;
+
+ case VIR_DOMAIN_CHR_TYPE_DEV:
+ if (VIR_STRDUP(*buf, srcdef.data.file.path) < 0)
+ return -1;
+ break;
+
+ case VIR_DOMAIN_CHR_TYPE_UDP: {
+ const char *connectHost = srcdef.data.udp.connectHost;
+ const char *bindHost = srcdef.data.udp.bindHost;
+ const char *bindService = srcdef.data.udp.bindService;
+
+ if (connectHost == NULL)
+ connectHost = "";
+ if (bindHost == NULL)
+ bindHost = "";
+ if (bindService == NULL)
+ bindService = "0";
+
+ if (virAsprintf(buf, "udp:%s:%s@%s:%s",
+ connectHost,
+ srcdef.data.udp.connectService,
+ bindHost,
+ bindService) < 0)
+ return -1;
+ break;
+ }
+
+ case VIR_DOMAIN_CHR_TYPE_TCP: {
+ const char *prefix;
+
+ if (srcdef.data.tcp.protocol == VIR_DOMAIN_CHR_TCP_PROTOCOL_TELNET)
+ prefix = "telnet";
+ else
+ prefix = "tcp";
+
+ if (virAsprintf(buf, "%s:%s:%s%s",
+ prefix,
+ srcdef.data.tcp.host,
+ srcdef.data.tcp.service,
+ srcdef.data.tcp.listen ? ",server,nowait" : "") < 0)
+ return -1;
+ break;
+ }
+
+ case VIR_DOMAIN_CHR_TYPE_UNIX:
+ if (virAsprintf(buf, "unix:%s%s",
+ srcdef.data.nix.path,
+ srcdef.data.nix.listen ? ",server,nowait" : "") < 0)
+ return -1;
+ break;
+
+ default:
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
+ _("unsupported chardev '%s'"), type);
+ return -1;
+ }
+
+ return 0;
+}
+
+static int
libxlMakeDomBuildInfo(virDomainObjPtr vm, libxl_domain_config *d_config)
{
virDomainDefPtr def = vm->def;
@@ -411,6 +497,24 @@ libxlMakeDomBuildInfo(virDomainObjPtr vm
if (VIR_STRDUP(b_info->u.hvm.boot, bootorder) < 0)
goto error;
+ if (def->nserials) {
+ if (def->nserials > 1) {
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
+ "%s",
+ _("Only one serial device is supported by libxl"));
+ goto error;
+ }
+ if (libxlMakeChrdevStr(def->serials[0], &b_info->u.hvm.serial) < 0)
+ goto error;
+ }
+
+ if (def->nparallels) {
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
+ "%s",
+ _("Parallel devices are not supported by libxl"));
+ goto error;
+ }
+
/*
* The following comment and calculation were taken directly from
* libxenlight's internal function libxl_get_required_shadow_memory():
Index: libvirt-1.1.1/src/libxl/libxl_conf.h
===================================================================
--- libvirt-1.1.1.orig/src/libxl/libxl_conf.h
+++ libvirt-1.1.1/src/libxl/libxl_conf.h
@@ -34,6 +34,7 @@
# include "configmake.h"
# include "virportallocator.h"
# include "virobject.h"
+# include "virchrdev.h"
# define LIBXL_VNC_PORT_MIN 5900
@@ -94,6 +95,8 @@ struct _libxlDomainObjPrivate {
/* per domain libxl ctx */
libxl_ctx *ctx;
+ /* console */
+ virChrdevsPtr devs;
libxl_evgen_domain_death *deathW;
/* list of libxl timeout registrations */
Index: libvirt-1.1.1/src/libxl/libxl_driver.c
===================================================================
--- libvirt-1.1.1.orig/src/libxl/libxl_driver.c
+++ libvirt-1.1.1/src/libxl/libxl_driver.c
@@ -417,6 +417,9 @@ libxlDomainObjPrivateAlloc(void)
libxl_osevent_register_hooks(priv->ctx, &libxl_event_callbacks, priv);
+ if (!(priv->devs = virChrdevAlloc()))
+ return NULL;
+
return priv;
}
@@ -428,6 +431,7 @@ libxlDomainObjPrivateDispose(void *obj)
if (priv->deathW)
libxl_evdisable_domain_death(priv->ctx, priv->deathW);
+ virChrdevFree(priv->devs);
libxl_ctx_free(priv->ctx);
}
@@ -4502,6 +4506,94 @@ cleanup:
return ret;
}
+
+static int
+libxlDomainOpenConsole(virDomainPtr dom,
+ const char *dev_name,
+ virStreamPtr st,
+ unsigned int flags)
+{
+ libxlDriverPrivatePtr driver = dom->conn->privateData;
+ virDomainObjPtr vm = NULL;
+ int ret = -1;
+ virDomainChrDefPtr chr = NULL;
+ libxlDomainObjPrivatePtr priv;
+ char *console = NULL;
+
+ virCheckFlags(VIR_DOMAIN_CONSOLE_FORCE, -1);
+
+ if (dev_name) {
+ /* XXX support device aliases in future */
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+ _("Named device aliases are not supported"));
+ goto cleanup;
+ }
+
+ libxlDriverLock(driver);
+ vm = virDomainObjListFindByUUID(driver->domains, dom->uuid);
+ libxlDriverUnlock(driver);
+ if (!vm) {
+ char uuidstr[VIR_UUID_STRING_BUFLEN];
+ virUUIDFormat(dom->uuid, uuidstr);
+ virReportError(VIR_ERR_NO_DOMAIN,
+ _("No domain with matching uuid '%s'"), uuidstr);
+ goto cleanup;
+ }
+
+ if (virDomainOpenConsoleEnsureACL(dom->conn, vm->def) < 0)
+ goto cleanup;
+
+ if (!virDomainObjIsActive(vm)) {
+ virReportError(VIR_ERR_OPERATION_INVALID,
+ "%s", _("domain is not running"));
+ goto cleanup;
+ }
+
+ priv = vm->privateData;
+
+ if (vm->def->nserials)
+ chr = vm->def->serials[0];
+
+ if (!chr) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ _("cannot find character device %s"),
+ NULLSTR(dev_name));
+ goto cleanup;
+ }
+
+ if (chr->source.type != VIR_DOMAIN_CHR_TYPE_PTY) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ _("character device %s is not using a PTY"),
+ NULLSTR(dev_name));
+ goto cleanup;
+ }
+
+ ret = libxl_primary_console_get_tty(priv->ctx, vm->def->id, &console);
+ if (ret)
+ goto cleanup;
+
+ if (VIR_STRDUP(chr->source.data.file.path, console) < 0)
+ goto cleanup;
+
+ /* handle mutually exclusive access to console devices */
+ ret = virChrdevOpen(priv->devs,
+ &chr->source,
+ st,
+ (flags & VIR_DOMAIN_CONSOLE_FORCE) != 0);
+
+ if (ret == 1) {
+ virReportError(VIR_ERR_OPERATION_FAILED, "%s",
+ _("Active console session exists for this domain"));
+ ret = -1;
+ }
+
+cleanup:
+ VIR_FREE(console);
+ if (vm)
+ virObjectUnlock(vm);
+ return ret;
+}
+
static int
libxlDomainSetSchedulerParameters(virDomainPtr dom, virTypedParameterPtr params,
int nparams)
@@ -4884,6 +4976,7 @@ static virDriver libxlDriver = {
.domainManagedSave = libxlDomainManagedSave, /* 0.9.2 */
.domainHasManagedSaveImage = libxlDomainHasManagedSaveImage, /* 0.9.2 */
.domainManagedSaveRemove = libxlDomainManagedSaveRemove, /* 0.9.2 */
+ .domainOpenConsole = libxlDomainOpenConsole, /* 1.1.2 */
.domainIsActive = libxlDomainIsActive, /* 0.9.0 */
.domainIsPersistent = libxlDomainIsPersistent, /* 0.9.0 */
.domainIsUpdated = libxlDomainIsUpdated, /* 0.9.0 */
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