[libvirt] [RFC PATCH 03/11] domain_conf: add support for memory device configuration in XML
Zhu Guihua
zhugh.fnst at cn.fujitsu.com
Wed Jan 21 08:20:19 UTC 2015
This patch adds configuration support for the memory device.
Signed-off-by: Zhu Guihua <zhugh.fnst at cn.fujitsu.com>
---
src/conf/domain_conf.c | 16 +++++++++++++++-
src/conf/domain_conf.h | 30 ++++++++++++++++++++++++++++++
src/qemu/qemu_driver.c | 6 ++++++
src/qemu/qemu_hotplug.c | 1 +
4 files changed, 52 insertions(+), 1 deletion(-)
diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index d7f7a9e..ea41cbd 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -236,7 +236,8 @@ VIR_ENUM_IMPL(virDomainDevice, VIR_DOMAIN_DEVICE_LAST,
"rng",
"shmem",
"tpm",
- "panic")
+ "panic",
+ "dimm")
VIR_ENUM_IMPL(virDomainDeviceAddress, VIR_DOMAIN_DEVICE_ADDRESS_TYPE_LAST,
"none",
@@ -1981,6 +1982,7 @@ void virDomainDeviceDefFree(virDomainDeviceDefPtr def)
case VIR_DOMAIN_DEVICE_PANIC:
virDomainPanicDefFree(def->data.panic);
break;
+ case VIR_DOMAIN_DEVICE_DIMM:
case VIR_DOMAIN_DEVICE_LAST:
case VIR_DOMAIN_DEVICE_NONE:
break;
@@ -2687,6 +2689,8 @@ virDomainDeviceGetInfo(virDomainDeviceDefPtr device)
return &device->data.tpm->info;
case VIR_DOMAIN_DEVICE_PANIC:
return &device->data.panic->info;
+ case VIR_DOMAIN_DEVICE_DIMM:
+ return &device->data.dimm->info;
/* The following devices do not contain virDomainDeviceInfo */
case VIR_DOMAIN_DEVICE_LEASE:
@@ -2917,6 +2921,12 @@ virDomainDeviceInfoIterateInternal(virDomainDefPtr def,
if (cb(def, &device, &def->panic->info, opaque) < 0)
return -1;
}
+ device.type = VIR_DOMAIN_DEVICE_DIMM;
+ for (i = 0; i < def->ndimms; i++) {
+ device.data.dimm = def->dimms[i];
+ if (cb(def, &device, &def->dimms[i]->info, opaque) < 0)
+ return -1;
+ }
/* Coverity is not very happy with this - all dead_error_condition */
#if !STATIC_ANALYSIS
@@ -2948,6 +2958,7 @@ virDomainDeviceInfoIterateInternal(virDomainDefPtr def,
case VIR_DOMAIN_DEVICE_SHMEM:
case VIR_DOMAIN_DEVICE_TPM:
case VIR_DOMAIN_DEVICE_PANIC:
+ case VIR_DOMAIN_DEVICE_DIMM:
case VIR_DOMAIN_DEVICE_LAST:
case VIR_DOMAIN_DEVICE_RNG:
break;
@@ -11175,6 +11186,7 @@ virDomainDeviceDefParse(const char *xmlStr,
if (!(dev->data.panic = virDomainPanicDefParseXML(node)))
goto error;
break;
+ case VIR_DOMAIN_DEVICE_DIMM:
case VIR_DOMAIN_DEVICE_NONE:
case VIR_DOMAIN_DEVICE_LAST:
break;
@@ -16035,6 +16047,7 @@ virDomainDefCheckABIStability(virDomainDefPtr src,
case VIR_DOMAIN_DEVICE_TPM:
case VIR_DOMAIN_DEVICE_PANIC:
case VIR_DOMAIN_DEVICE_SHMEM:
+ case VIR_DOMAIN_DEVICE_DIMM:
break;
}
#endif
@@ -21482,6 +21495,7 @@ virDomainDeviceDefCopy(virDomainDeviceDefPtr src,
case VIR_DOMAIN_DEVICE_PANIC:
rc = virDomainPanicDefFormat(&buf, src->data.panic);
break;
+ case VIR_DOMAIN_DEVICE_DIMM:
case VIR_DOMAIN_DEVICE_NONE:
case VIR_DOMAIN_DEVICE_SMARTCARD:
case VIR_DOMAIN_DEVICE_MEMBALLOON:
diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
index d746272..c4ebbd4 100644
--- a/src/conf/domain_conf.h
+++ b/src/conf/domain_conf.h
@@ -132,6 +132,9 @@ typedef virDomainIdMapDef *virDomainIdMapDefPtr;
typedef struct _virDomainPanicDef virDomainPanicDef;
typedef virDomainPanicDef *virDomainPanicDefPtr;
+typedef struct _virDomainDimmDef virDomainDimmDef;
+typedef virDomainDimmDef *virDomainDimmDefPtr;
+
/* forward declarations virDomainChrSourceDef, required by
* virDomainNetDef
*/
@@ -168,6 +171,7 @@ typedef enum {
VIR_DOMAIN_DEVICE_SHMEM,
VIR_DOMAIN_DEVICE_TPM,
VIR_DOMAIN_DEVICE_PANIC,
+ VIR_DOMAIN_DEVICE_DIMM,
VIR_DOMAIN_DEVICE_LAST
} virDomainDeviceType;
@@ -198,6 +202,7 @@ struct _virDomainDeviceDef {
virDomainShmemDefPtr shmem;
virDomainTPMDefPtr tpm;
virDomainPanicDefPtr panic;
+ virDomainDimmDefPtr dimm;
} data;
};
@@ -1982,6 +1987,28 @@ struct _virDomainHugePage {
unsigned long long size; /* hugepage size in KiB */
};
+typedef enum {
+ VIR_DOMAIN_MEMORY_BACKEND_RAM = 0,
+ VIR_DOMAIN_MEMORY_BACKEND_FILE,
+
+ VIR_DOMAIN_MEMORY_BACKEND_LAST
+} virDomainMemoryBackend;
+
+struct _virDomainDimmDef {
+ char *driver;
+ int addr; /* default value: 0, means that address is auto-allocated*/
+ int node;
+ int slot;
+
+ struct {
+ virDomainMemoryBackend type;
+ unsigned long long size; /* in kibibytes */
+ char *mem_path;
+ } backend;
+
+ virDomainDeviceInfo info;
+};
+
typedef struct _virDomainCputune virDomainCputune;
typedef virDomainCputune *virDomainCputunePtr;
@@ -2161,6 +2188,9 @@ struct _virDomainDef {
size_t nshmems;
virDomainShmemDefPtr *shmems;
+ size_t ndimms;
+ virDomainDimmDefPtr *dimms;
+
/* Only 1 */
virDomainWatchdogDefPtr watchdog;
virDomainMemballoonDefPtr memballoon;
diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 5994558..d017a84 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -6991,6 +6991,7 @@ qemuDomainAttachDeviceLive(virDomainObjPtr vm,
dev->data.chr = NULL;
break;
+ case VIR_DOMAIN_DEVICE_DIMM:
case VIR_DOMAIN_DEVICE_NONE:
case VIR_DOMAIN_DEVICE_FS:
case VIR_DOMAIN_DEVICE_INPUT:
@@ -7066,6 +7067,7 @@ qemuDomainDetachDeviceLive(virDomainObjPtr vm,
case VIR_DOMAIN_DEVICE_CHR:
ret = qemuDomainDetachChrDevice(driver, vm, dev->data.chr);
break;
+ case VIR_DOMAIN_DEVICE_DIMM:
case VIR_DOMAIN_DEVICE_FS:
case VIR_DOMAIN_DEVICE_INPUT:
case VIR_DOMAIN_DEVICE_SOUND:
@@ -7188,6 +7190,7 @@ qemuDomainUpdateDeviceLive(virConnectPtr conn,
case VIR_DOMAIN_DEVICE_NONE:
case VIR_DOMAIN_DEVICE_TPM:
case VIR_DOMAIN_DEVICE_PANIC:
+ case VIR_DOMAIN_DEVICE_DIMM:
case VIR_DOMAIN_DEVICE_LAST:
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("live update of device '%s' is not supported"),
@@ -7309,6 +7312,7 @@ qemuDomainAttachDeviceConfig(virQEMUCapsPtr qemuCaps,
dev->data.fs = NULL;
break;
+ case VIR_DOMAIN_DEVICE_DIMM:
case VIR_DOMAIN_DEVICE_INPUT:
case VIR_DOMAIN_DEVICE_SOUND:
case VIR_DOMAIN_DEVICE_VIDEO:
@@ -7425,6 +7429,7 @@ qemuDomainDetachDeviceConfig(virDomainDefPtr vmdef,
virDomainFSDefFree(fs);
break;
+ case VIR_DOMAIN_DEVICE_DIMM:
case VIR_DOMAIN_DEVICE_INPUT:
case VIR_DOMAIN_DEVICE_SOUND:
case VIR_DOMAIN_DEVICE_VIDEO:
@@ -7543,6 +7548,7 @@ qemuDomainUpdateDeviceConfig(virQEMUCapsPtr qemuCaps,
case VIR_DOMAIN_DEVICE_NONE:
case VIR_DOMAIN_DEVICE_TPM:
case VIR_DOMAIN_DEVICE_PANIC:
+ case VIR_DOMAIN_DEVICE_DIMM:
case VIR_DOMAIN_DEVICE_LAST:
virReportError(VIR_ERR_OPERATION_UNSUPPORTED,
_("persistent update of device '%s' is not supported"),
diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c
index 9ed96dc..f83cb1c 100644
--- a/src/qemu/qemu_hotplug.c
+++ b/src/qemu/qemu_hotplug.c
@@ -2885,6 +2885,7 @@ qemuDomainRemoveDevice(virQEMUDriverPtr driver,
ret = qemuDomainRemoveChrDevice(driver, vm, dev->data.chr);
break;
+ case VIR_DOMAIN_DEVICE_DIMM:
case VIR_DOMAIN_DEVICE_NONE:
case VIR_DOMAIN_DEVICE_LEASE:
case VIR_DOMAIN_DEVICE_FS:
--
1.9.3
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