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| author | Nikunj A Dadhania <nikunj@linux.vnet.ibm.com> | 2014-07-09 16:08:37 +0530 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2014-09-08 12:50:47 +0200 |
| commit | ef9514431d33e52eb611f799670ca86618c1b7d9 (patch) | |
| tree | cd948a7104dcf75cf29f62fa0b8a349b5c9bcb84 /hw/ppc | |
| parent | 7d0cd464a756f3d47f308d7c47eb888b573a9fe4 (diff) | |
| download | qemu-ef9514431d33e52eb611f799670ca86618c1b7d9.tar.gz qemu-ef9514431d33e52eb611f799670ca86618c1b7d9.tar.bz2 qemu-ef9514431d33e52eb611f799670ca86618c1b7d9.zip | |
spapr: add uuid/host details to device tree
Useful for identifying the guest/host uniquely within the
guest. Adding following properties to the guest root node.
vm,uuid - uuid of the guest
host-model - Host model number
host-serial - Host machine serial number
hypervisor type - Tells its "kvm"
Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'hw/ppc')
| -rw-r--r-- | hw/ppc/spapr.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index 6bb646ce47..0adea311cc 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -319,6 +319,7 @@ static void *spapr_create_fdt_skel(hwaddr initrd_base, QemuOpts *opts = qemu_opts_find(qemu_find_opts("smp-opts"), NULL); unsigned sockets = opts ? qemu_opt_get_number(opts, "sockets", 0) : 0; uint32_t cpus_per_socket = sockets ? (smp_cpus / sockets) : 1; + char *buf; add_str(hypertas, "hcall-pft"); add_str(hypertas, "hcall-term"); @@ -348,6 +349,33 @@ static void *spapr_create_fdt_skel(hwaddr initrd_base, _FDT((fdt_property_string(fdt, "model", "IBM pSeries (emulated by qemu)"))); _FDT((fdt_property_string(fdt, "compatible", "qemu,pseries"))); + if (kvm_enabled()) { + _FDT((fdt_property_string(fdt, "hypervisor", "kvm"))); + } + + /* + * Add info to guest to indentify which host is it being run on + * and what is the uuid of the guest + */ + if (kvmppc_get_host_model(&buf)) { + _FDT((fdt_property_string(fdt, "host-model", buf))); + g_free(buf); + } + if (kvmppc_get_host_serial(&buf)) { + _FDT((fdt_property_string(fdt, "host-serial", buf))); + g_free(buf); + } + + buf = g_strdup_printf(UUID_FMT, qemu_uuid[0], qemu_uuid[1], + qemu_uuid[2], qemu_uuid[3], qemu_uuid[4], + qemu_uuid[5], qemu_uuid[6], qemu_uuid[7], + qemu_uuid[8], qemu_uuid[9], qemu_uuid[10], + qemu_uuid[11], qemu_uuid[12], qemu_uuid[13], + qemu_uuid[14], qemu_uuid[15]); + + _FDT((fdt_property_string(fdt, "vm,uuid", buf))); + g_free(buf); + _FDT((fdt_property_cell(fdt, "#address-cells", 0x2))); _FDT((fdt_property_cell(fdt, "#size-cells", 0x2))); |