qemu/hw/xen.h
Avi Kivity c65adf9bcd xen, vga: add API for registering the framebuffer
Xen currently uses the name of a memory region to determine whether it
is the framebuffer.  Replace with an explicit API.

Signed-off-by: Avi Kivity <avi@redhat.com>
2011-12-20 14:14:08 +02:00

60 lines
1.6 KiB
C

#ifndef QEMU_HW_XEN_H
#define QEMU_HW_XEN_H 1
/*
* public xen header
* stuff needed outside xen-*.c, i.e. interfaces to qemu.
* must not depend on any xen headers being present in
* /usr/include/xen, so it can be included unconditionally.
*/
#include <inttypes.h>
#include "qemu-common.h"
/* xen-machine.c */
enum xen_mode {
XEN_EMULATE = 0, // xen emulation, using xenner (default)
XEN_CREATE, // create xen domain
XEN_ATTACH // attach to xen domain created by xend
};
extern uint32_t xen_domid;
extern enum xen_mode xen_mode;
extern int xen_allowed;
static inline int xen_enabled(void)
{
#if defined(CONFIG_XEN_BACKEND) && !defined(CONFIG_NO_XEN)
return xen_allowed;
#else
return 0;
#endif
}
int xen_pci_slot_get_pirq(PCIDevice *pci_dev, int irq_num);
void xen_piix3_set_irq(void *opaque, int irq_num, int level);
void xen_piix_pci_write_config_client(uint32_t address, uint32_t val, int len);
void xen_cmos_set_s3_resume(void *opaque, int irq, int level);
qemu_irq *xen_interrupt_controller_init(void);
int xen_init(void);
int xen_hvm_init(void);
void xen_vcpu_init(void);
void xenstore_store_pv_console_info(int i, struct CharDriverState *chr);
#if defined(NEED_CPU_H) && !defined(CONFIG_USER_ONLY)
struct MemoryRegion;
void xen_ram_alloc(ram_addr_t ram_addr, ram_addr_t size,
struct MemoryRegion *mr);
#endif
struct MemoryRegion;
void xen_register_framebuffer(struct MemoryRegion *mr);
#if defined(CONFIG_XEN) && CONFIG_XEN_CTRL_INTERFACE_VERSION < 400
# define HVM_MAX_VCPUS 32
#endif
#endif /* QEMU_HW_XEN_H */