From 309cd62d6b2628b4f0e2850b42011077f40956c7 Mon Sep 17 00:00:00 2001 From: "Michael S. Tsirkin" Date: Wed, 24 Jul 2013 18:56:12 +0300 Subject: [PATCH] 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 Tested-by: Gerd Hoffmann Reviewed-by: Igor Mammedov Tested-by: Igor Mammedov Signed-off-by: Michael S. Tsirkin --- hw/misc/pvpanic.c | 13 ++++++++++++- include/hw/i386/pc.h | 1 + 2 files changed, 13 insertions(+), 1 deletion(-) diff --git a/hw/misc/pvpanic.c b/hw/misc/pvpanic.c index b64e3bb7b..226e2983d 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 95857bee8..e3ee0a81f 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 -- 2.39.2