When a hypervisor marks a CPU model as unusable on the current host, it
may also give us a list of features which prevent the model from being
usable. Storing this list in virDomainCapsCPUModel will help the CPU
driver with creating a host-model CPU configuration.
Signed-off-by: Jiri Denemark <jdenemar@xxxxxxxxxx>
Reviewed-by: John Ferlan <jferlan@xxxxxxxxxx>
---
Notes:
Version 2:
- no change
src/conf/domain_capabilities.c | 30 ++++++++++++++++++++++--------
src/conf/domain_capabilities.h | 7 +++++--
src/qemu/qemu_capabilities.c | 11 ++++++-----
tests/domaincapstest.c | 6 +++---
4 files changed, 36 insertions(+), 18 deletions(-)
diff --git a/src/conf/domain_capabilities.c b/src/conf/domain_capabilities.c
index f62038b96c..be34576204 100644
--- a/src/conf/domain_capabilities.c
+++ b/src/conf/domain_capabilities.c
@@ -163,7 +163,8 @@ virDomainCapsCPUModelsCopy(virDomainCapsCPUModelsPtr old)
for (i = 0; i < old->nmodels; i++) {
if (virDomainCapsCPUModelsAdd(cpuModels,
old->models[i].name, -1,
- old->models[i].usable) < 0)
+ old->models[i].usable,
+ old->models[i].blockers) < 0)
goto error;
}
@@ -195,7 +196,8 @@ virDomainCapsCPUModelsFilter(virDomainCapsCPUModelsPtr old,
if (virDomainCapsCPUModelsAdd(cpuModels,
old->models[i].name, -1,
- old->models[i].usable) < 0)
+ old->models[i].usable,
+ old->models[i].blockers) < 0)
goto error;
}
@@ -210,7 +212,8 @@ virDomainCapsCPUModelsFilter(virDomainCapsCPUModelsPtr old,
int
virDomainCapsCPUModelsAddSteal(virDomainCapsCPUModelsPtr cpuModels,
char **name,
- virDomainCapsCPUUsable usable)
+ virDomainCapsCPUUsable usable,
+ char ***blockers)
{
if (VIR_RESIZE_N(cpuModels->models, cpuModels->nmodels_max,
cpuModels->nmodels, 1) < 0)
@@ -218,6 +221,10 @@ virDomainCapsCPUModelsAddSteal(virDomainCapsCPUModelsPtr cpuModels,
cpuModels->models[cpuModels->nmodels].usable = usable;
VIR_STEAL_PTR(cpuModels->models[cpuModels->nmodels].name, *name);
+
+ if (blockers)
+ VIR_STEAL_PTR(cpuModels->models[cpuModels->nmodels].blockers, *blockers);
+
cpuModels->nmodels++;
return 0;
}
@@ -227,20 +234,27 @@ int
virDomainCapsCPUModelsAdd(virDomainCapsCPUModelsPtr cpuModels,
const char *name,
ssize_t nameLen,
- virDomainCapsCPUUsable usable)
+ virDomainCapsCPUUsable usable,
+ char **blockers)
{
- char *copy = NULL;
+ char *nameCopy = NULL;
+ char **blockersCopy = NULL;
- if (VIR_STRNDUP(copy, name, nameLen) < 0)
+ if (VIR_STRNDUP(nameCopy, name, nameLen) < 0)
goto error;
- if (virDomainCapsCPUModelsAddSteal(cpuModels, ©, usable) < 0)
+ if (virStringListCopy(&blockersCopy, (const char **)blockers) < 0)
+ goto error;
+
+ if (virDomainCapsCPUModelsAddSteal(cpuModels, &nameCopy,
+ usable, &blockersCopy) < 0)
goto error;
return 0;
error:
- VIR_FREE(copy);
+ VIR_FREE(nameCopy);
+ virStringListFree(blockersCopy);
return -1;
}
diff --git a/src/conf/domain_capabilities.h b/src/conf/domain_capabilities.h
index 82183c4524..8c71dec21e 100644
--- a/src/conf/domain_capabilities.h
+++ b/src/conf/domain_capabilities.h
@@ -116,6 +116,7 @@ typedef virDomainCapsCPUModel *virDomainCapsCPUModelPtr;
struct _virDomainCapsCPUModel {
char *name;
virDomainCapsCPUUsable usable;
+ char **blockers; /* NULL-terminated list of usability blockers */
};
typedef struct _virDomainCapsCPUModels virDomainCapsCPUModels;
@@ -171,11 +172,13 @@ virDomainCapsCPUModelsPtr virDomainCapsCPUModelsFilter(virDomainCapsCPUModelsPtr
const char **blacklist);
int virDomainCapsCPUModelsAddSteal(virDomainCapsCPUModelsPtr cpuModels,
char **name,
- virDomainCapsCPUUsable usable);
+ virDomainCapsCPUUsable usable,
+ char ***blockers);
int virDomainCapsCPUModelsAdd(virDomainCapsCPUModelsPtr cpuModels,
const char *name,
ssize_t nameLen,
- virDomainCapsCPUUsable usable);
+ virDomainCapsCPUUsable usable,
+ char **blockers);
# define VIR_DOMAIN_CAPS_ENUM_SET(capsEnum, ...) \
do { \
diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index f9028157f1..7f4d019e9b 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -796,7 +796,7 @@ virQEMUCapsParseX86Models(const char *output,
}
if (virDomainCapsCPUModelsAdd(cpus, p, len,
- VIR_DOMCAPS_CPU_USABLE_UNKNOWN) < 0)
+ VIR_DOMCAPS_CPU_USABLE_UNKNOWN, NULL) < 0)
goto error;
} while ((p = next));
@@ -854,7 +854,7 @@ virQEMUCapsParsePPCModels(const char *output,
continue;
if (virDomainCapsCPUModelsAdd(cpus, p, t - p - 1,
- VIR_DOMCAPS_CPU_USABLE_UNKNOWN) < 0)
+ VIR_DOMCAPS_CPU_USABLE_UNKNOWN, NULL) < 0)
goto error;
} while ((p = next));
@@ -2526,7 +2526,7 @@ virQEMUCapsAddCPUDefinitions(virQEMUCapsPtr qemuCaps,
}
for (i = 0; i < count; i++) {
- if (virDomainCapsCPUModelsAdd(cpus, name[i], -1, usable) < 0)
+ if (virDomainCapsCPUModelsAdd(cpus, name[i], -1, usable, NULL) < 0)
return -1;
}
@@ -3007,7 +3007,8 @@ virQEMUCapsProbeQMPCPUDefinitions(virQEMUCapsPtr qemuCaps,
else if (cpus[i]->usable == VIR_TRISTATE_BOOL_NO)
usable = VIR_DOMCAPS_CPU_USABLE_NO;
- if (virDomainCapsCPUModelsAddSteal(models, &cpus[i]->name, usable) < 0)
+ if (virDomainCapsCPUModelsAddSteal(models, &cpus[i]->name, usable,
+ NULL) < 0)
goto cleanup;
}
@@ -3770,7 +3771,7 @@ virQEMUCapsLoadCPUModels(virQEMUCapsPtr qemuCaps,
goto cleanup;
}
- if (virDomainCapsCPUModelsAddSteal(cpus, &str, usable) < 0)
+ if (virDomainCapsCPUModelsAddSteal(cpus, &str, usable, NULL) < 0)
goto cleanup;
}
diff --git a/tests/domaincapstest.c b/tests/domaincapstest.c
index 2719473244..7aeac4507f 100644
--- a/tests/domaincapstest.c
+++ b/tests/domaincapstest.c
@@ -88,11 +88,11 @@ fillAllCaps(virDomainCapsPtr domCaps)
cpu->hostModel = virCPUDefCopy(&host);
if (!(cpu->custom = virDomainCapsCPUModelsNew(3)) ||
virDomainCapsCPUModelsAdd(cpu->custom, "Model1", -1,
- VIR_DOMCAPS_CPU_USABLE_UNKNOWN) < 0 ||
+ VIR_DOMCAPS_CPU_USABLE_UNKNOWN, NULL) < 0 ||
virDomainCapsCPUModelsAdd(cpu->custom, "Model2", -1,
- VIR_DOMCAPS_CPU_USABLE_NO) < 0 ||
+ VIR_DOMCAPS_CPU_USABLE_NO, NULL) < 0 ||
virDomainCapsCPUModelsAdd(cpu->custom, "Model3", -1,
- VIR_DOMCAPS_CPU_USABLE_YES) < 0)
+ VIR_DOMCAPS_CPU_USABLE_YES, NULL) < 0)
return -1;
disk->supported = true;
--
2.14.2
--
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