xref: /qemu/include/hw/xen/xen.h (revision 27047bd2)
10d09e41aSPaolo Bonzini /*
20d09e41aSPaolo Bonzini  * public xen header
30d09e41aSPaolo Bonzini  *   stuff needed outside xen-*.c, i.e. interfaces to qemu.
40d09e41aSPaolo Bonzini  *   must not depend on any xen headers being present in
50d09e41aSPaolo Bonzini  *   /usr/include/xen, so it can be included unconditionally.
60d09e41aSPaolo Bonzini  */
750c88402SJoao Martins #ifndef QEMU_HW_XEN_H
850c88402SJoao Martins #define QEMU_HW_XEN_H
950c88402SJoao Martins 
1050c88402SJoao Martins /*
11e2abfe5eSDavid Woodhouse  * C files using Xen toolstack libraries will have included those headers
12e2abfe5eSDavid Woodhouse  * already via xen_native.h, and having __XEM_TOOLS__ defined will have
13e2abfe5eSDavid Woodhouse  * automatically set __XEN_INTERFACE_VERSION__ to the latest supported
14e2abfe5eSDavid Woodhouse  * by the *system* Xen headers which were transitively included.
15e2abfe5eSDavid Woodhouse  *
16e2abfe5eSDavid Woodhouse  * C files which are part of the internal emulation, and which did not
17e2abfe5eSDavid Woodhouse  * include xen_native.h, may need this defined so that the Xen headers
18e2abfe5eSDavid Woodhouse  * imported to include/hw/xen/interface/ will expose the appropriate API
19e2abfe5eSDavid Woodhouse  * version.
20e2abfe5eSDavid Woodhouse  *
21e2abfe5eSDavid Woodhouse  * This is why there's a rule that xen_native.h must be included first.
2250c88402SJoao Martins  */
23e2abfe5eSDavid Woodhouse #ifndef __XEN_INTERFACE_VERSION__
24e2abfe5eSDavid Woodhouse #define __XEN_INTERFACE_VERSION__ 0x00040e00
25e2abfe5eSDavid Woodhouse #endif
260d09e41aSPaolo Bonzini 
2733c11879SPaolo Bonzini #include "exec/cpu-common.h"
280d09e41aSPaolo Bonzini 
290d09e41aSPaolo Bonzini /* xen-machine.c */
300d09e41aSPaolo Bonzini enum xen_mode {
31faa4e800SDavid Woodhouse     XEN_DISABLED = 0, /* xen support disabled (default) */
32faa4e800SDavid Woodhouse     XEN_ATTACH,       /* attach to xen domain created by libxl */
33faa4e800SDavid Woodhouse     XEN_EMULATE,      /* emulate Xen within QEMU */
340d09e41aSPaolo Bonzini };
350d09e41aSPaolo Bonzini 
360d09e41aSPaolo Bonzini extern uint32_t xen_domid;
370d09e41aSPaolo Bonzini extern enum xen_mode xen_mode;
381c599472SPaul Durrant extern bool xen_domid_restrict;
390d09e41aSPaolo Bonzini 
400d09e41aSPaolo Bonzini int xen_pci_slot_get_pirq(PCIDevice *pci_dev, int irq_num);
4121d87050SBernhard Beschow int xen_set_pci_link_route(uint8_t link, uint8_t irq);
4227047bd2SBernhard Beschow void xen_intx_set_irq(void *opaque, int irq_num, int level);
430d09e41aSPaolo Bonzini void xen_hvm_inject_msi(uint64_t addr, uint32_t data);
44428c3eceSStefano Stabellini int xen_is_pirq_msi(uint32_t msi_data);
450d09e41aSPaolo Bonzini 
460d09e41aSPaolo Bonzini qemu_irq *xen_interrupt_controller_init(void);
470d09e41aSPaolo Bonzini 
480d09e41aSPaolo Bonzini void xen_register_framebuffer(struct MemoryRegion *mr);
490d09e41aSPaolo Bonzini 
500d09e41aSPaolo Bonzini #endif /* QEMU_HW_XEN_H */
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