diff options
| author | Michael S. Tsirkin <mst@redhat.com> | 2013-07-24 18:56:12 +0300 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2013-10-14 17:48:52 +0300 |
| commit | 309cd62d6b2628b4f0e2850b42011077f40956c7 (patch) | |
| tree | ca5152b2f6df7b7a519218f4a324751f1c51e08c | |
| parent | 6f1426ab0fad715bccbad60e976ebf420442006c (diff) | |
pvpanic: add API to access io port
Add API to find pvpanic device and get its io port.
Will be used to fill in guest info structure.
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
| -rw-r--r-- | hw/misc/pvpanic.c | 13 | ||||
| -rw-r--r-- | include/hw/i386/pc.h | 1 |
2 files changed, 13 insertions, 1 deletions
diff --git a/hw/misc/pvpanic.c b/hw/misc/pvpanic.c index b64e3bb7b4..226e2983d3 100644 --- a/hw/misc/pvpanic.c +++ b/hw/misc/pvpanic.c @@ -117,8 +117,19 @@ void pvpanic_init(ISABus *bus) isa_create_simple(bus, TYPE_ISA_PVPANIC_DEVICE); } +#define PVPANIC_IOPORT_PROP "ioport" + +uint16_t pvpanic_port(void) +{ + Object *o = object_resolve_path_type("", TYPE_ISA_PVPANIC_DEVICE, NULL); + if (!o) { + return 0; + } + return object_property_get_int(o, PVPANIC_IOPORT_PROP, NULL); +} + static Property pvpanic_isa_properties[] = { - DEFINE_PROP_UINT16("ioport", PVPanicState, ioport, 0x505), + DEFINE_PROP_UINT16(PVPANIC_IOPORT_PROP, PVPanicState, ioport, 0x505), DEFINE_PROP_END_OF_LIST(), }; diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h index 95857bee81..e3ee0a81f1 100644 --- a/include/hw/i386/pc.h +++ b/include/hw/i386/pc.h @@ -235,6 +235,7 @@ void pc_system_firmware_init(MemoryRegion *rom_memory, /* pvpanic.c */ void pvpanic_init(ISABus *bus); +uint16_t pvpanic_port(void); /* e820 types */ #define E820_RAM 1 |