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Add new 'availheap' sysctl variant for ABI changes in Xen

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This commit is contained in:
Daniel P. Berrange 2009-06-16 09:31:19 +00:00
parent c4a6bc4977
commit 39f775cc05
2 changed files with 23 additions and 2 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
Tue Jun 16 10:30:22 BST 2009 Daniel P. Berrange <berrange@redhat.com>
* src/xen_internal.c: Add new variant of availheap sysctl
for ABI changes in Xen
Mon Jun 15 18:15:22 BST 2009 Daniel P. Berrange <berrange@redhat.com>
Fix build on non-Linux targets

20
src/xen_internal.c
View File

@ -241,6 +241,15 @@ struct xen_v2s4_availheap {
typedef struct xen_v2s4_availheap xen_v2s4_availheap;
struct xen_v2s5_availheap {
uint32_t min_bitwidth; /* Smallest address width (zero if don't care). */
uint32_t max_bitwidth; /* Largest address width (zero if don't care). */
int32_t node; /* NUMA node (-1 for sum across all nodes). */
uint64_t avail_bytes ALIGN_64; /* Bytes available in the specified region. */
};
typedef struct xen_v2s5_availheap xen_v2s5_availheap;
#define XEN_GETDOMAININFOLIST_ALLOC(domlist, size) \
(hypervisor_version < 2 ? \
@ -650,6 +659,7 @@ struct xen_op_v2_sys {
xen_v2s3_getdomaininfolistop getdomaininfolists3;
xen_v2_getschedulerid getschedulerid;
xen_v2s4_availheap availheap;
xen_v2s5_availheap availheap5;
uint8_t padding[128];
} u;
};
@ -3125,12 +3135,18 @@ xenHypervisorNodeGetCellsFreeMemory(virConnectPtr conn, unsigned long long *free
op_sys.cmd = XEN_V2_OP_GETAVAILHEAP;
for (i = startCell, j = 0;(i < priv->nbNodeCells) && (j < maxCells);i++,j++) {
op_sys.u.availheap.node = i;
if (sys_interface_version >= 5)
op_sys.u.availheap5.node = i;
else
op_sys.u.availheap.node = i;
ret = xenHypervisorDoV2Sys(priv->handle, &op_sys);
if (ret < 0) {
return(-1);
}
freeMems[j] = op_sys.u.availheap.avail_bytes;
if (sys_interface_version >= 5)
freeMems[j] = op_sys.u.availheap5.avail_bytes;
else
freeMems[j] = op_sys.u.availheap.avail_bytes;
}
return (j);
}