blob: d70eacfbe280976bf7374090285963e4a51cc03d [file] [log] [blame]
/*
* QEMU Xen support
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
/* header to be included in non-Xen-specific code */
#ifndef SYSEMU_XEN_H
#define SYSEMU_XEN_H
#ifdef CONFIG_USER_ONLY
#error Cannot include sysemu/xen.h from user emulation
#endif
#include "exec/cpu-common.h"
#ifdef COMPILING_PER_TARGET
# ifdef CONFIG_XEN
# define CONFIG_XEN_IS_POSSIBLE
# endif
#else
# define CONFIG_XEN_IS_POSSIBLE
#endif /* COMPILING_PER_TARGET */
#ifdef CONFIG_XEN_IS_POSSIBLE
extern bool xen_allowed;
#define xen_enabled() (xen_allowed)
void xen_hvm_modified_memory(ram_addr_t start, ram_addr_t length);
void xen_ram_alloc(ram_addr_t ram_addr, ram_addr_t size,
struct MemoryRegion *mr, Error **errp);
#else /* !CONFIG_XEN_IS_POSSIBLE */
#define xen_enabled() 0
static inline void xen_hvm_modified_memory(ram_addr_t start, ram_addr_t length)
{
/* nothing */
}
static inline void xen_ram_alloc(ram_addr_t ram_addr, ram_addr_t size,
MemoryRegion *mr, Error **errp)
{
g_assert_not_reached();
}
#endif /* CONFIG_XEN_IS_POSSIBLE */
bool xen_mr_is_memory(MemoryRegion *mr);
bool xen_mr_is_grants(MemoryRegion *mr);
#endif