kvmtool/x86/include/kvm/kvm-arch.h

#ifndef KVM__KVM_ARCH_H
#define KVM__KVM_ARCH_H

#include "kvm/interrupt.h"

#include <stdbool.h>
#include <linux/types.h>
#include <time.h>

/*
 * The hole includes VESA framebuffer and PCI memory.
 */
#define KVM_32BIT_MAX_MEM_SIZE  (1ULL << 32)
#define KVM_32BIT_GAP_SIZE	(768 << 20)
#define KVM_32BIT_GAP_START	(KVM_32BIT_MAX_MEM_SIZE - KVM_32BIT_GAP_SIZE)

#define KVM_MMIO_START		KVM_32BIT_GAP_START

/* This is the address that pci_get_io_port_block() starts allocating
 * from.  Note that this is a PCI bus address (though same on x86).
 */
#define KVM_IOPORT_AREA		0x0
#define KVM_PCI_CFG_AREA	(KVM_MMIO_START + 0x1000000)
#define KVM_PCI_MMIO_AREA	(KVM_MMIO_START + 0x2000000)
#define KVM_VIRTIO_MMIO_AREA	(KVM_MMIO_START + 0x3000000)

#define KVM_IRQ_OFFSET		5

#define KVM_VM_TYPE		0

#define KVM_IOEVENTFD_HAS_PIO	1

#define VIRTIO_DEFAULT_TRANS(kvm)	VIRTIO_PCI

struct kvm_arch {
	u16			boot_selector;
	u16			boot_ip;
	u16			boot_sp;

	struct interrupt_table	interrupt_table;
};

#endif /* KVM__KVM_ARCH_H */