/* * IOAPIC emulation logic - internal interfaces * * Copyright (c) 2004-2005 Fabrice Bellard * Copyright (c) 2009 Xiantao Zhang, Intel * Copyright (c) 2011 Jan Kiszka, Siemens AG * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, see <http://www.gnu.org/licenses/>. */ #ifndef QEMU_IOAPIC_INTERNAL_H #define QEMU_IOAPIC_INTERNAL_H #include "hw/hw.h" #include "exec/memory.h" #include "hw/sysbus.h" #define MAX_IOAPICS 1 #define IOAPIC_VERSION 0x11 #define IOAPIC_LVT_DEST_SHIFT 56 #define IOAPIC_LVT_MASKED_SHIFT 16 #define IOAPIC_LVT_TRIGGER_MODE_SHIFT 15 #define IOAPIC_LVT_REMOTE_IRR_SHIFT 14 #define IOAPIC_LVT_POLARITY_SHIFT 13 #define IOAPIC_LVT_DELIV_STATUS_SHIFT 12 #define IOAPIC_LVT_DEST_MODE_SHIFT 11 #define IOAPIC_LVT_DELIV_MODE_SHIFT 8 #define IOAPIC_LVT_MASKED (1 << IOAPIC_LVT_MASKED_SHIFT) #define IOAPIC_LVT_REMOTE_IRR (1 << IOAPIC_LVT_REMOTE_IRR_SHIFT) #define IOAPIC_TRIGGER_EDGE 0 #define IOAPIC_TRIGGER_LEVEL 1 /*io{apic,sapic} delivery mode*/ #define IOAPIC_DM_FIXED 0x0 #define IOAPIC_DM_LOWEST_PRIORITY 0x1 #define IOAPIC_DM_PMI 0x2 #define IOAPIC_DM_NMI 0x4 #define IOAPIC_DM_INIT 0x5 #define IOAPIC_DM_SIPI 0x6 #define IOAPIC_DM_EXTINT 0x7 #define IOAPIC_DM_MASK 0x7 #define IOAPIC_VECTOR_MASK 0xff #define IOAPIC_IOREGSEL 0x00 #define IOAPIC_IOWIN 0x10 #define IOAPIC_REG_ID 0x00 #define IOAPIC_REG_VER 0x01 #define IOAPIC_REG_ARB 0x02 #define IOAPIC_REG_REDTBL_BASE 0x10 #define IOAPIC_ID 0x00 #define IOAPIC_ID_SHIFT 24 #define IOAPIC_ID_MASK 0xf #define IOAPIC_VER_ENTRIES_SHIFT 16 typedef struct IOAPICCommonState IOAPICCommonState; #define TYPE_IOAPIC_COMMON "ioapic-common" #define IOAPIC_COMMON(obj) \ OBJECT_CHECK(IOAPICCommonState, (obj), TYPE_IOAPIC_COMMON) #define IOAPIC_COMMON_CLASS(klass) \ OBJECT_CLASS_CHECK(IOAPICCommonClass, (klass), TYPE_IOAPIC_COMMON) #define IOAPIC_COMMON_GET_CLASS(obj) \ OBJECT_GET_CLASS(IOAPICCommonClass, (obj), TYPE_IOAPIC_COMMON) typedef struct IOAPICCommonClass { SysBusDeviceClass parent_class; DeviceRealize realize; void (*pre_save)(IOAPICCommonState *s); void (*post_load)(IOAPICCommonState *s); } IOAPICCommonClass; struct IOAPICCommonState { SysBusDevice busdev; MemoryRegion io_memory; uint8_t id; uint8_t ioregsel; uint32_t irr; uint64_t ioredtbl[IOAPIC_NUM_PINS]; }; void ioapic_reset_common(DeviceState *dev); #endif /* !QEMU_IOAPIC_INTERNAL_H */