1#ifndef QEMU_HW_XEN_H
2#define QEMU_HW_XEN_H 1
3/*
4 * public xen header
5 *   stuff needed outside xen-*.c, i.e. interfaces to qemu.
6 *   must not depend on any xen headers being present in
7 *   /usr/include/xen, so it can be included unconditionally.
8 */
9#include <inttypes.h>
10
11#include "hw/irq.h"
12#include "qemu-common.h"
13
14/* xen-machine.c */
15enum xen_mode {
16    XEN_EMULATE = 0,  // xen emulation, using xenner (default)
17    XEN_CREATE,       // create xen domain
18    XEN_ATTACH        // attach to xen domain created by xend
19};
20
21extern uint32_t xen_domid;
22extern enum xen_mode xen_mode;
23
24extern bool xen_allowed;
25
26static inline bool xen_enabled(void)
27{
28    return xen_allowed;
29}
30
31int xen_pci_slot_get_pirq(PCIDevice *pci_dev, int irq_num);
32void xen_piix3_set_irq(void *opaque, int irq_num, int level);
33void xen_piix_pci_write_config_client(uint32_t address, uint32_t val, int len);
34void xen_hvm_inject_msi(uint64_t addr, uint32_t data);
35void xen_cmos_set_s3_resume(void *opaque, int irq, int level);
36
37qemu_irq *xen_interrupt_controller_init(void);
38
39int xen_init(void);
40int xen_hvm_init(MemoryRegion **ram_memory);
41void xenstore_store_pv_console_info(int i, struct CharDriverState *chr);
42
43#if defined(NEED_CPU_H) && !defined(CONFIG_USER_ONLY)
44void xen_ram_alloc(ram_addr_t ram_addr, ram_addr_t size,
45                   struct MemoryRegion *mr);
46void xen_modified_memory(ram_addr_t start, ram_addr_t length);
47#endif
48
49void xen_register_framebuffer(struct MemoryRegion *mr);
50
51#if defined(CONFIG_XEN) && CONFIG_XEN_CTRL_INTERFACE_VERSION < 400
52#  define HVM_MAX_VCPUS 32
53#endif
54
55#endif /* QEMU_HW_XEN_H */
56