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qemu: detect -machine mem-merge capability

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* src/qemu/qemu_capabilities.h: New capability bit.
* src/qemu/qemu_capabilities.c (virQEMUCapsProbeQMPCommandLine): New
function, based on qemuMonitorGetCommandLineOptionParameters, which was
introduced by commit bd56d0d813; use it to set new capability bit.
(virQEMUCapsInitQMP): Use new function.
This commit is contained in:
Eric Blake 2013-05-14 13:25:49 +08:00 committed by Osier Yang
parent 9615ca59c6
commit d12bbd6a7d
2 changed files with 38 additions and 0 deletions
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37
src/qemu/qemu_capabilities.c
View File

@ -227,6 +227,7 @@ VIR_ENUM_IMPL(virQEMUCaps, QEMU_CAPS_LAST,
"scsi-generic",
"scsi-generic.bootindex", /* 145 */
"mem-merge",
);
struct _virQEMUCaps {
@ -2234,6 +2235,40 @@ virQEMUCapsProbeQMPKVMState(virQEMUCapsPtr qemuCaps,
return 0;
}
struct virQEMUCapsCommandLineProps {
const char *option;
const char *param;
int flag;
};
static struct virQEMUCapsCommandLineProps virQEMUCapsCommandLine[] = {
{ "machine", "mem-merge", QEMU_CAPS_MEM_MERGE },
};
static int
virQEMUCapsProbeQMPCommandLine(virQEMUCapsPtr qemuCaps,
qemuMonitorPtr mon)
{
int nvalues;
char **values;
size_t i, j;
for (i = 0; i < ARRAY_CARDINALITY(virQEMUCapsCommandLine); i++) {
if ((nvalues = qemuMonitorGetCommandLineOptionParameters(mon,
virQEMUCapsCommandLine[i].option,
&values)) < 0)
return -1;
for (j = 0; j < nvalues; j++) {
if (STREQ(virQEMUCapsCommandLine[i].param, values[j])) {
virQEMUCapsSet(qemuCaps, virQEMUCapsCommandLine[i].flag);
break;
}
}
virStringFreeList(values);
}
return 0;
}
int virQEMUCapsProbeQMP(virQEMUCapsPtr qemuCaps,
qemuMonitorPtr mon)
@ -2581,6 +2616,8 @@ virQEMUCapsInitQMP(virQEMUCapsPtr qemuCaps,
goto cleanup;
if (virQEMUCapsProbeQMPTPM(qemuCaps, mon) < 0)
goto cleanup;
if (virQEMUCapsProbeQMPCommandLine(qemuCaps, mon) < 0)
goto cleanup;
ret = 0;

1
src/qemu/qemu_capabilities.h
View File

@ -184,6 +184,7 @@ enum virQEMUCapsFlags {
QEMU_CAPS_VFIO_PCI_BOOTINDEX = 143, /* bootindex param for vfio-pci device */
QEMU_CAPS_DEVICE_SCSI_GENERIC = 144, /* -device scsi-generic */
QEMU_CAPS_DEVICE_SCSI_GENERIC_BOOTINDEX = 145, /* -device scsi-generic.bootindex */
QEMU_CAPS_MEM_MERGE = 146, /* -machine mem-merge */
QEMU_CAPS_LAST, /* this must always be the last item */
};