xref: /kvmtool/x86/include/kvm/kvm-arch.h (revision b0d56e3c994a0feb3ffb519cecda5c1f6da8b1ab)
1 #ifndef KVM__KVM_ARCH_H
2 #define KVM__KVM_ARCH_H
3 
4 #include "kvm/interrupt.h"
5 
6 #include <stdbool.h>
7 #include <linux/types.h>
8 #include <linux/sizes.h>
9 #include <time.h>
10 
11 /*
12  * The hole includes VESA framebuffer and PCI memory.
13  */
14 #define KVM_32BIT_MAX_MEM_SIZE  (1ULL << 32)
15 #define KVM_32BIT_GAP_SIZE	(768 << 20)
16 #define KVM_32BIT_GAP_START	(KVM_32BIT_MAX_MEM_SIZE - KVM_32BIT_GAP_SIZE)
17 
18 #define KVM_MMIO_START		KVM_32BIT_GAP_START
19 
20 /* This is the address that pci_get_io_port_block() starts allocating
21  * from.  Note that this is a PCI bus address (though same on x86).
22  */
23 #define KVM_IOPORT_AREA		0x0
24 #define KVM_PCI_CFG_AREA	(KVM_MMIO_START + 0x1000000)
25 #define KVM_PCI_MMIO_AREA	(KVM_MMIO_START + 0x2000000)
26 #define KVM_VIRTIO_MMIO_AREA	(KVM_MMIO_START + 0x3000000)
27 
28 #define KVM_IRQ_OFFSET		5
29 
30 #define KVM_VM_TYPE		0
31 
32 #define KVM_IOEVENTFD_HAS_PIO	1
33 
34 #define MAX_PAGE_SIZE		SZ_4K
35 
36 struct kvm_arch {
37 	u16			boot_selector;
38 	u16			boot_ip;
39 	u16			boot_sp;
40 
41 	struct interrupt_table	interrupt_table;
42 };
43 
44 #endif /* KVM__KVM_ARCH_H */
45