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qemuBuildMemoryBackendStr: Pass virDomainMemoryDefPtr

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Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Michal Privoznik 2017-03-08 16:56:23 +01:00
parent cce282fe87
commit 8b277ae247
3 changed files with 25 additions and 35 deletions
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49
src/qemu/qemu_command.c
View File

@ -3177,11 +3177,7 @@ qemuBuildControllerDevCommandLine(virCommandPtr cmd,
/**
* qemuBuildMemoryBackendStr:
* @size: size of the memory device in kibibytes
* @pagesize: size of the requested memory page in KiB, 0 for default
* @guestNode: NUMA node in the guest that the memory object will be attached
* to, or -1 if NUMA is not used in the guest
* @hostNodes: map of host nodes to alloc the memory in, NULL for default
* @mem: memory definition object
* @autoNodeset: fallback nodeset in case of automatic numa placement
* @def: domain definition object
* @qemuCaps: qemu capabilities object
@ -3199,10 +3195,7 @@ qemuBuildControllerDevCommandLine(virCommandPtr cmd,
* -1 in case of an error.
*/
int
qemuBuildMemoryBackendStr(unsigned long long size,
unsigned long long pagesize,
int guestNode,
virBitmapPtr userNodeset,
qemuBuildMemoryBackendStr(virDomainMemoryDefPtr mem,
virBitmapPtr autoNodeset,
virDomainDefPtr def,
virQEMUCapsPtr qemuCaps,
@ -3221,26 +3214,27 @@ qemuBuildMemoryBackendStr(unsigned long long size,
virBitmapPtr nodemask = NULL;
int ret = -1;
virJSONValuePtr props = NULL;
bool nodeSpecified = virDomainNumatuneNodeSpecified(def->numa, guestNode);
bool nodeSpecified = virDomainNumatuneNodeSpecified(def->numa, mem->targetNode);
unsigned long long pagesize = mem->pagesize;
bool needHugepage = !!pagesize;
*backendProps = NULL;
*backendType = NULL;
if (guestNode >= 0) {
if (mem->targetNode >= 0) {
/* memory devices could provide a invalid guest node */
if (guestNode >= virDomainNumaGetNodeCount(def->numa)) {
if (mem->targetNode >= virDomainNumaGetNodeCount(def->numa)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("can't add memory backend for guest node '%d' as "
"the guest has only '%zu' NUMA nodes configured"),
guestNode, virDomainNumaGetNodeCount(def->numa));
mem->targetNode, virDomainNumaGetNodeCount(def->numa));
return -1;
}
memAccess = virDomainNumaGetNodeMemoryAccessMode(def->numa, guestNode);
memAccess = virDomainNumaGetNodeMemoryAccessMode(def->numa, mem->targetNode);
}
if (virDomainNumatuneGetMode(def->numa, guestNode, &mode) < 0 &&
if (virDomainNumatuneGetMode(def->numa, mem->targetNode, &mode) < 0 &&
virDomainNumatuneGetMode(def->numa, -1, &mode) < 0)
mode = VIR_DOMAIN_NUMATUNE_MEM_STRICT;
@ -3257,10 +3251,10 @@ qemuBuildMemoryBackendStr(unsigned long long size,
}
/* just find the master hugepage in case we don't use NUMA */
if (guestNode < 0)
if (mem->targetNode < 0)
continue;
if (virBitmapGetBit(hugepage->nodemask, guestNode,
if (virBitmapGetBit(hugepage->nodemask, mem->targetNode,
&thisHugepage) < 0) {
/* Ignore this error. It's not an error after all. Well,
* the nodemask for this <page/> can contain lower NUMA
@ -3349,14 +3343,14 @@ qemuBuildMemoryBackendStr(unsigned long long size,
*backendType = "memory-backend-ram";
}
if (virJSONValueObjectAdd(props, "U:size", size * 1024, NULL) < 0)
if (virJSONValueObjectAdd(props, "U:size", mem->size * 1024, NULL) < 0)
goto cleanup;
if (userNodeset) {
nodemask = userNodeset;
if (mem->sourceNodes) {
nodemask = mem->sourceNodes;
} else {
if (virDomainNumatuneMaybeGetNodeset(def->numa, autoNodeset,
&nodemask, guestNode) < 0)
&nodemask, mem->targetNode) < 0)
goto cleanup;
}
@ -3371,7 +3365,7 @@ qemuBuildMemoryBackendStr(unsigned long long size,
}
/* If none of the following is requested... */
if (!needHugepage && !userNodeset && !nodeSpecified &&
if (!needHugepage && !mem->sourceNodes && !nodeSpecified &&
memAccess == VIR_DOMAIN_MEMORY_ACCESS_DEFAULT &&
def->mem.source != VIR_DOMAIN_MEMORY_SOURCE_FILE && !force) {
/* report back that using the new backend is not necessary
@ -3420,17 +3414,19 @@ qemuBuildMemoryCellBackendStr(virDomainDefPtr def,
const char *backendType;
int ret = -1;
int rc;
virDomainMemoryDef mem = { 0 };
unsigned long long memsize = virDomainNumaGetNodeMemorySize(def->numa,
cell);
*backendStr = NULL;
mem.size = memsize;
mem.targetNode = cell;
if (virAsprintf(&alias, "ram-node%zu", cell) < 0)
goto cleanup;
if ((rc = qemuBuildMemoryBackendStr(memsize, 0, cell, NULL, auto_nodeset,
def, qemuCaps, cfg, &backendType,
&props, false)) < 0)
if ((rc = qemuBuildMemoryBackendStr(&mem, auto_nodeset, def, qemuCaps,
cfg, &backendType, &props, false)) < 0)
goto cleanup;
if (!(*backendStr = virQEMUBuildObjectCommandlineFromJSON(backendType,
@ -3469,8 +3465,7 @@ qemuBuildMemoryDimmBackendStr(virDomainMemoryDefPtr mem,
if (virAsprintf(&alias, "mem%s", mem->info.alias) < 0)
goto cleanup;
if (qemuBuildMemoryBackendStr(mem->size, mem->pagesize,
mem->targetNode, mem->sourceNodes, auto_nodeset,
if (qemuBuildMemoryBackendStr(mem, auto_nodeset,
def, qemuCaps, cfg,
&backendType, &props, true) < 0)
goto cleanup;

5
src/qemu/qemu_command.h
View File

@ -124,10 +124,7 @@ char *qemuBuildControllerDevStr(const virDomainDef *domainDef,
virQEMUCapsPtr qemuCaps,
int *nusbcontroller);
int qemuBuildMemoryBackendStr(unsigned long long size,
unsigned long long pagesize,
int guestNode,
virBitmapPtr userNodeset,
int qemuBuildMemoryBackendStr(virDomainMemoryDefPtr mem,
virBitmapPtr autoNodeset,
virDomainDefPtr def,
virQEMUCapsPtr qemuCaps,

6
src/qemu/qemu_hotplug.c
View File

@ -2240,10 +2240,8 @@ qemuDomainAttachMemory(virQEMUDriverPtr driver,
if (!(devstr = qemuBuildMemoryDeviceStr(mem)))
goto cleanup;
if (qemuBuildMemoryBackendStr(mem->size, mem->pagesize,
mem->targetNode, mem->sourceNodes, NULL,
vm->def, priv->qemuCaps, cfg,
&backendType, &props, true) < 0)
if (qemuBuildMemoryBackendStr(mem, NULL, vm->def, priv->qemuCaps,
cfg, &backendType, &props, true) < 0)
goto cleanup;
if (virDomainMemoryInsert(vm->def, mem) < 0) {