1#ifndef QEMU_HW_XEN_H
2#define QEMU_HW_XEN_H
3
4/*
5 * public xen header
6 * stuff needed outside xen-*.c, i.e. interfaces to qemu.
7 * must not depend on any xen headers being present in
8 * /usr/include/xen, so it can be included unconditionally.
9 */
10
11#include "exec/cpu-common.h"
12
13/* xen-machine.c */
14enum xen_mode {
15 XEN_EMULATE = 0, // xen emulation, using xenner (default)
16 XEN_ATTACH // attach to xen domain created by libxl
17};
18
19extern uint32_t xen_domid;
20extern enum xen_mode xen_mode;
21extern bool xen_domid_restrict;
22
23extern bool xen_allowed;
24
25static inline bool xen_enabled(void)
26{
27 return xen_allowed;
28}
29
30int xen_pci_slot_get_pirq(PCIDevice *pci_dev, int irq_num);
31void xen_piix3_set_irq(void *opaque, int irq_num, int level);
32void xen_piix_pci_write_config_client(uint32_t address, uint32_t val, int len);
33void xen_hvm_inject_msi(uint64_t addr, uint32_t data);
34int xen_is_pirq_msi(uint32_t msi_data);
35
36qemu_irq *xen_interrupt_controller_init(void);
37
38void xenstore_store_pv_console_info(int i, struct Chardev *chr);
39
40void xen_hvm_init(PCMachineState *pcms, MemoryRegion **ram_memory);
41
42void xen_ram_alloc(ram_addr_t ram_addr, ram_addr_t size,
43 struct MemoryRegion *mr, Error **errp);
44void xen_hvm_modified_memory(ram_addr_t start, ram_addr_t length);
45
46void xen_register_framebuffer(struct MemoryRegion *mr);
47
48#endif /* QEMU_HW_XEN_H */
49