[libvirt] [PATCH] support for Xen HVM Viridian (Hyper-V) enlightenment interface
Daniel Gollub
gollub at b1-systems.de
Wed Jun 15 13:27:43 UTC 2011
Introduce libvirt support for Xen HVM Viridian (Hyper-V) enlightenment
interface guest feature.
---
src/conf/domain_conf.c | 3 ++-
src/conf/domain_conf.h | 1 +
src/xen/xen_hypervisor.c | 11 +++++++++++
src/xenapi/xenapi_driver.c | 2 ++
src/xenapi/xenapi_utils.c | 2 ++
src/xenxs/xen_sxpr.c | 4 ++++
src/xenxs/xen_xm.c | 12 +++++++++++-
7 files changed, 33 insertions(+), 2 deletions(-)
diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 0d9fef4..a90f676 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -84,7 +84,8 @@ VIR_ENUM_IMPL(virDomainFeature, VIR_DOMAIN_FEATURE_LAST,
"acpi",
"apic",
"pae",
- "hap")
+ "hap",
+ "viridian")
VIR_ENUM_IMPL(virDomainLifecycle, VIR_DOMAIN_LIFECYCLE_LAST,
"destroy",
diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
index 41c8136..e591268 100644
--- a/src/conf/domain_conf.h
+++ b/src/conf/domain_conf.h
@@ -890,6 +890,7 @@ enum virDomainFeature {
VIR_DOMAIN_FEATURE_APIC,
VIR_DOMAIN_FEATURE_PAE,
VIR_DOMAIN_FEATURE_HAP,
+ VIR_DOMAIN_FEATURE_VIRIDIAN,
VIR_DOMAIN_FEATURE_LAST
};
diff --git a/src/xen/xen_hypervisor.c b/src/xen/xen_hypervisor.c
index 21e6645..ff9c8cb 100644
--- a/src/xen/xen_hypervisor.c
+++ b/src/xen/xen_hypervisor.c
@@ -2401,7 +2401,18 @@ xenHypervisorBuildCapabilities(virConnectPtr conn,
0,
1) == NULL)
goto no_memory;
+
+ /* Xen 3.4.x and beyond supports the Viridian (Hyper-V)
+ * enlightenment interface. Default is off.
+ */
+ if ((hv_major == 3 && hv_minor >= 4) || (hv_major > 3))
+ if (virCapabilitiesAddGuestFeature(guest,
+ "viridian",
+ 0,
+ 1) == NULL)
+ goto no_memory;
}
+
}
caps->defaultConsoleTargetType = VIR_DOMAIN_CHR_CONSOLE_TARGET_TYPE_XEN;
diff --git a/src/xenapi/xenapi_driver.c b/src/xenapi/xenapi_driver.c
index 6f64208..58e762f 100644
--- a/src/xenapi/xenapi_driver.c
+++ b/src/xenapi/xenapi_driver.c
@@ -1414,6 +1414,8 @@ xenapiDomainGetXMLDesc(virDomainPtr dom, int flags ATTRIBUTE_UNUSED)
defPtr->features = defPtr->features | (1<<VIR_DOMAIN_FEATURE_PAE);
else if (STREQ(result->contents[i].key, "hap"))
defPtr->features = defPtr->features | (1<<VIR_DOMAIN_FEATURE_HAP);
+ else if (STREQ(result->contents[i].key, "viridian"))
+ defPtr->features = defPtr->features | (1<<VIR_DOMAIN_FEATURE_VIRIDIAN);
}
}
xen_string_string_map_free(result);
diff --git a/src/xenapi/xenapi_utils.c b/src/xenapi/xenapi_utils.c
index 9362cf1..342ae5b 100644
--- a/src/xenapi/xenapi_utils.c
+++ b/src/xenapi/xenapi_utils.c
@@ -536,6 +536,8 @@ createVMRecordFromXml (virConnectPtr conn, virDomainDefPtr def,
allocStringMap(&strings, (char *)"pae", (char *)"true");
if (def->features & (1 << VIR_DOMAIN_FEATURE_HAP))
allocStringMap(&strings, (char *)"hap", (char *)"true");
+ if (def->features & (1 << VIR_DOMAIN_FEATURE_VIRIDIAN))
+ allocStringMap(&strings, (char *)"viridian", (char *)"true");
}
if (strings != NULL)
(*record)->platform = strings;
diff --git a/src/xenxs/xen_sxpr.c b/src/xenxs/xen_sxpr.c
index 59d585d..b5877bb 100644
--- a/src/xenxs/xen_sxpr.c
+++ b/src/xenxs/xen_sxpr.c
@@ -1171,6 +1171,8 @@ xenParseSxpr(const struct sexpr *root,
def->features |= (1 << VIR_DOMAIN_FEATURE_PAE);
if (sexpr_int(root, "domain/image/hvm/hap"))
def->features |= (1 << VIR_DOMAIN_FEATURE_HAP);
+ if (sexpr_int(root, "domain/image/hvm/viridian"))
+ def->features |= (1 << VIR_DOMAIN_FEATURE_VIRIDIAN);
/* Old XenD only allows localtime here for HVM */
if (sexpr_int(root, "domain/image/hvm/localtime"))
@@ -2166,6 +2168,8 @@ xenFormatSxpr(virConnectPtr conn,
virBufferAddLit(&buf, "(pae 1)");
if (def->features & (1 << VIR_DOMAIN_FEATURE_HAP))
virBufferAddLit(&buf, "(hap 1)");
+ if (def->features & (1 << VIR_DOMAIN_FEATURE_VIRIDIAN))
+ virBufferAddLit(&buf, "(viridian 1)");
virBufferAddLit(&buf, "(usb 1)");
diff --git a/src/xenxs/xen_xm.c b/src/xenxs/xen_xm.c
index accf5f4..c9440fa 100644
--- a/src/xenxs/xen_xm.c
+++ b/src/xenxs/xen_xm.c
@@ -369,6 +369,10 @@ xenParseXM(virConfPtr conf, int xendConfigVersion,
goto cleanup;
else if (val)
def->features |= (1 << VIR_DOMAIN_FEATURE_HAP);
+ if (xenXMConfigGetBool(conf, "viridian", &val, 0) < 0)
+ goto cleanup;
+ else if (val)
+ def->features |= (1 << VIR_DOMAIN_FEATURE_VIRIDIAN);
if (xenXMConfigGetBool(conf, "hpet", &val, -1) < 0)
goto cleanup;
@@ -1507,12 +1511,18 @@ virConfPtr xenFormatXM(virConnectPtr conn,
(1 << VIR_DOMAIN_FEATURE_APIC)) ? 1 : 0) < 0)
goto no_memory;
- if (xendConfigVersion >= 3)
+ if (xendConfigVersion >= 3) {
if (xenXMConfigSetInt(conf, "hap",
(def->features &
(1 << VIR_DOMAIN_FEATURE_HAP)) ? 1 : 0) < 0)
goto no_memory;
+ if (xenXMConfigSetInt(conf, "viridian",
+ (def->features &
+ (1 << VIR_DOMAIN_FEATURE_VIRIDIAN)) ? 1 : 0) < 0)
+ goto no_memory;
+ }
+
if (def->clock.offset == VIR_DOMAIN_CLOCK_OFFSET_LOCALTIME) {
if (def->clock.data.timezone) {
XENXS_ERROR(VIR_ERR_CONFIG_UNSUPPORTED,
--
1.7.1
--
Daniel Gollub
Linux Consultant & Developer
Tel.: +49-160 47 73 970
Mail: gollub at b1-systems.de
B1 Systems GmbH
Osterfeldstraße 7 / 85088 Vohburg / http://www.b1-systems.de
GF: Ralph Dehner / Unternehmenssitz: Vohburg / AG: Ingolstadt,HRB 3537
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