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Introduce qemuDomainNamespaceMknodPath

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Use this function in qemuDomainNamespaceSetup* functions which
only require creating one device.
This commit is contained in:
Ján Tomko 2017-11-15 17:43:51 +01:00
parent d3db304d2e
commit 323b9f72ef
1 changed files with 26 additions and 94 deletions
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120
src/qemu/qemu_domain.c
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@ -9971,6 +9971,16 @@ qemuDomainNamespaceMknodPaths(virDomainObjPtr vm,
}
static int
qemuDomainNamespaceMknodPath(virDomainObjPtr vm,
const char *path)
{
const char *paths[] = { path };
return qemuDomainNamespaceMknodPaths(vm, paths, 1);
}
int
qemuDomainNamespaceSetupDisk(virQEMUDriverPtr driver ATTRIBUTE_UNUSED,
virDomainObjPtr vm,
@ -10090,35 +10100,17 @@ qemuDomainNamespaceTeardownHostdev(virQEMUDriverPtr driver,
int
qemuDomainNamespaceSetupMemory(virQEMUDriverPtr driver,
qemuDomainNamespaceSetupMemory(virQEMUDriverPtr driver ATTRIBUTE_UNUSED,
virDomainObjPtr vm,
virDomainMemoryDefPtr mem)
{
virQEMUDriverConfigPtr cfg = NULL;
char **devMountsPath = NULL;
size_t ndevMountsPath = 0;
int ret = -1;
if (mem->model != VIR_DOMAIN_MEMORY_MODEL_NVDIMM)
return 0;
if (!qemuDomainNamespaceEnabled(vm, QEMU_DOMAIN_NS_MOUNT))
return 0;
if (qemuDomainNamespaceMknodPath(vm, mem->nvdimmPath) < 0)
return -1;
cfg = virQEMUDriverGetConfig(driver);
if (qemuDomainGetPreservedMounts(cfg, vm,
&devMountsPath, NULL,
&ndevMountsPath) < 0)
goto cleanup;
if (qemuDomainAttachDeviceMknod(driver, vm, mem->nvdimmPath,
devMountsPath, ndevMountsPath) < 0)
goto cleanup;
ret = 0;
cleanup:
virStringListFreeCount(devMountsPath, ndevMountsPath);
virObjectUnref(cfg);
return ret;
return 0;
}
@ -10156,18 +10148,11 @@ qemuDomainNamespaceTeardownMemory(virQEMUDriverPtr driver,
int
qemuDomainNamespaceSetupChardev(virQEMUDriverPtr driver,
qemuDomainNamespaceSetupChardev(virQEMUDriverPtr driver ATTRIBUTE_UNUSED,
virDomainObjPtr vm,
virDomainChrDefPtr chr)
{
virQEMUDriverConfigPtr cfg = NULL;
char **devMountsPath = NULL;
size_t ndevMountsPath = 0;
const char *path;
int ret = -1;
if (!qemuDomainNamespaceEnabled(vm, QEMU_DOMAIN_NS_MOUNT))
return 0;
if (!(path = virDomainChrSourceDefGetPath(chr->source)))
return 0;
@ -10177,22 +10162,10 @@ qemuDomainNamespaceSetupChardev(virQEMUDriverPtr driver,
chr->source->data.nix.listen)
return 0;
cfg = virQEMUDriverGetConfig(driver);
if (qemuDomainGetPreservedMounts(cfg, vm,
&devMountsPath, NULL,
&ndevMountsPath) < 0)
goto cleanup;
if (qemuDomainNamespaceMknodPath(vm, path) < 0)
return -1;
if (qemuDomainAttachDeviceMknod(driver,
vm,
path,
devMountsPath, ndevMountsPath) < 0)
goto cleanup;
ret = 0;
cleanup:
virStringListFreeCount(devMountsPath, ndevMountsPath);
virObjectUnref(cfg);
return ret;
return 0;
}
@ -10234,18 +10207,11 @@ qemuDomainNamespaceTeardownChardev(virQEMUDriverPtr driver,
int
qemuDomainNamespaceSetupRNG(virQEMUDriverPtr driver,
qemuDomainNamespaceSetupRNG(virQEMUDriverPtr driver ATTRIBUTE_UNUSED,
virDomainObjPtr vm,
virDomainRNGDefPtr rng)
{
virQEMUDriverConfigPtr cfg = NULL;
char **devMountsPath = NULL;
size_t ndevMountsPath = 0;
const char *path = NULL;
int ret = -1;
if (!qemuDomainNamespaceEnabled(vm, QEMU_DOMAIN_NS_MOUNT))
return 0;
switch ((virDomainRNGBackend) rng->backend) {
case VIR_DOMAIN_RNG_BACKEND_RANDOM:
@ -10254,26 +10220,13 @@ qemuDomainNamespaceSetupRNG(virQEMUDriverPtr driver,
case VIR_DOMAIN_RNG_BACKEND_EGD:
case VIR_DOMAIN_RNG_BACKEND_LAST:
ret = 0;
goto cleanup;
break;
}
cfg = virQEMUDriverGetConfig(driver);
if (qemuDomainGetPreservedMounts(cfg, vm,
&devMountsPath, NULL,
&ndevMountsPath) < 0)
goto cleanup;
if (path && qemuDomainNamespaceMknodPath(vm, path) < 0)
return -1;
if (qemuDomainAttachDeviceMknod(driver,
vm,
path,
devMountsPath, ndevMountsPath) < 0)
goto cleanup;
ret = 0;
cleanup:
virStringListFreeCount(devMountsPath, ndevMountsPath);
virObjectUnref(cfg);
return ret;
return 0;
}
@ -10324,35 +10277,14 @@ int
qemuDomainNamespaceSetupInput(virDomainObjPtr vm,
virDomainInputDefPtr input)
{
qemuDomainObjPrivatePtr priv = vm->privateData;
virQEMUDriverPtr driver = priv->driver;
virQEMUDriverConfigPtr cfg = NULL;
char **devMountsPath = NULL;
size_t ndevMountsPath = 0;
const char *path = NULL;
int ret = -1;
if (!(path = virDomainInputDefGetPath(input)))
return 0;
if (!qemuDomainNamespaceEnabled(vm, QEMU_DOMAIN_NS_MOUNT))
return 0;
cfg = virQEMUDriverGetConfig(driver);
if (qemuDomainGetPreservedMounts(cfg, vm,
&devMountsPath, NULL,
&ndevMountsPath) < 0)
goto cleanup;
if (qemuDomainAttachDeviceMknod(driver, vm, path,
devMountsPath, ndevMountsPath) < 0)
goto cleanup;
ret = 0;
cleanup:
virStringListFreeCount(devMountsPath, ndevMountsPath);
virObjectUnref(cfg);
return ret;
if (path && qemuDomainNamespaceMknodPath(vm, path) < 0)
return -1;
return 0;
}