[libvirt] [PATCH v5 06/11] Convert QMP strings into QEMU capability bits

Signed-off-by: Stefan Berger <stefanb(a)linux.vnet.ibm.com&gt; Reviewed-by: Corey Bryant <coreyb(a)linux.vnet.ibm.com&gt; Tested-by: Corey Bryant <coreyb(a)linux.vnet.ibm.com&gt; --- src/qemu/qemu_capabilities.c | 58 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 58 insertions(+) Index: libvirt/src/qemu/qemu_capabilities.c =================================================================== --- libvirt.orig/src/qemu/qemu_capabilities.c +++ libvirt/src/qemu/qemu_capabilities.c @@ -38,6 +38,7 @@ #include "virbitmap.h" #include "virnodesuspend.h" #include "qemu_monitor.h" +#include "virstring.h" #include <fcntl.h> #include <sys/stat.h> @@ -2113,6 +2114,61 @@ virQEMUCapsProbeQMPCPUDefinitions(virQEM return 0; } +struct tpmTypeToCaps { + int type; + enum virQEMUCapsFlags caps; +}; + +static const struct tpmTypeToCaps virQEMUCapsTPMTypesToCaps[] = { + { + .type = VIR_DOMAIN_TPM_TYPE_PASSTHROUGH, + .caps = QEMU_CAPS_DEVICE_TPM_PASSTHROUGH, + }, +}; + +const struct tpmTypeToCaps virQEMUCapsTPMModelsToCaps[] = { + { + .type = VIR_DOMAIN_TPM_MODEL_TIS, + .caps = QEMU_CAPS_DEVICE_TPM_TIS, + }, +}; + +static int +virQEMUCapsProbeQMPTPM(virQEMUCapsPtr qemuCaps, + qemuMonitorPtr mon) +{ + int nentries, i; + char **entries = NULL; + if ((nentries = qemuMonitorGetTPMModels(mon, &entries)) < 0) + return -1; + + if (nentries > 0) { + for (i = 0; i < ARRAY_CARDINALITY(virQEMUCapsTPMModelsToCaps); i++) { + const char *needle = virDomainTPMModelTypeToString( + virQEMUCapsTPMModelsToCaps[i].type); + if (virStringArrayHasString(entries, needle)) + virQEMUCapsSet(qemuCaps, + virQEMUCapsTPMModelsToCaps[i].caps); + } + } + virStringFreeList(entries); + + if ((nentries = qemuMonitorGetTPMTypes(mon, &entries)) < 0) + return -1; + + if (nentries > 0) { + for (i = 0; i < ARRAY_CARDINALITY(virQEMUCapsTPMTypesToCaps); i++) { + const char *needle = virDomainTPMBackendTypeToString( + virQEMUCapsTPMTypesToCaps[i].type); + if (virStringArrayHasString(entries, needle)) + virQEMUCapsSet(qemuCaps, virQEMUCapsTPMTypesToCaps[i].caps); + } + } + virStringFreeList(entries); + + return 0; +} + static int virQEMUCapsProbeQMPKVMState(virQEMUCapsPtr qemuCaps, @@ -2467,6 +2523,8 @@ virQEMUCapsInitQMP(virQEMUCapsPtr qemuCa goto cleanup; if (virQEMUCapsProbeQMPKVMState(qemuCaps, mon) < 0) goto cleanup; + if (virQEMUCapsProbeQMPTPM(qemuCaps, mon) < 0) + goto cleanup; ret = 0;