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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 */
23327f75 9#include <inttypes.h>
e37630ca 10
5202ef94 11#include "hw/irq.h"
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12#include "qemu-common.h"
13
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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
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24extern int xen_allowed;
25
26static inline int xen_enabled(void)
27{
59d21e53 28#if defined(CONFIG_XEN_BACKEND) && !defined(CONFIG_NO_XEN)
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29 return xen_allowed;
30#else
31 return 0;
32#endif
33}
34
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35int xen_pci_slot_get_pirq(PCIDevice *pci_dev, int irq_num);
36void xen_piix3_set_irq(void *opaque, int irq_num, int level);
37void xen_piix_pci_write_config_client(uint32_t address, uint32_t val, int len);
f1dbf015 38void xen_hvm_inject_msi(uint64_t addr, uint32_t data);
c9622478 39void xen_cmos_set_s3_resume(void *opaque, int irq, int level);
41445300 40
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41qemu_irq *xen_interrupt_controller_init(void);
42
3285cf4f 43int xen_init(void);
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44int xen_hvm_init(void);
45void xen_vcpu_init(void);
0f51726a 46void xenstore_store_pv_console_info(int i, struct CharDriverState *chr);
29d3ccde 47
432d268c 48#if defined(NEED_CPU_H) && !defined(CONFIG_USER_ONLY)
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49struct MemoryRegion;
50void xen_ram_alloc(ram_addr_t ram_addr, ram_addr_t size,
51 struct MemoryRegion *mr);
910b38e4 52void xen_modified_memory(ram_addr_t start, ram_addr_t length);
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53#endif
54
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55struct MemoryRegion;
56void xen_register_framebuffer(struct MemoryRegion *mr);
57
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58#if defined(CONFIG_XEN) && CONFIG_XEN_CTRL_INTERFACE_VERSION < 400
59# define HVM_MAX_VCPUS 32
60#endif
3285cf4f 61
e37630ca 62#endif /* QEMU_HW_XEN_H */