qemu/include/sysemu/xen-mapcache.h
Philippe Mathieu-Daudé 3e5e5d479e sysemu/xen-mapcache: Check Xen availability with CONFIG_XEN_IS_POSSIBLE
"sysemu/xen.h" defines CONFIG_XEN_IS_POSSIBLE as a target-agnostic
version of CONFIG_XEN accelerator.
Use it in order to use "sysemu/xen-mapcache.h" in target-agnostic files.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: David Woodhouse <dwmw@amazon.co.uk>
Message-Id: <20231114143816.71079-4-philmd@linaro.org>
2024-03-09 18:51:45 +01:00

66 lines
1.7 KiB
C

/*
* Copyright (C) 2011 Citrix Ltd.
*
* This work is licensed under the terms of the GNU GPL, version 2. See
* the COPYING file in the top-level directory.
*
*/
#ifndef XEN_MAPCACHE_H
#define XEN_MAPCACHE_H
#include "exec/cpu-common.h"
#include "sysemu/xen.h"
typedef hwaddr (*phys_offset_to_gaddr_t)(hwaddr phys_offset,
ram_addr_t size);
#ifdef CONFIG_XEN_IS_POSSIBLE
void xen_map_cache_init(phys_offset_to_gaddr_t f,
void *opaque);
uint8_t *xen_map_cache(hwaddr phys_addr, hwaddr size,
uint8_t lock, bool dma);
ram_addr_t xen_ram_addr_from_mapcache(void *ptr);
void xen_invalidate_map_cache_entry(uint8_t *buffer);
void xen_invalidate_map_cache(void);
uint8_t *xen_replace_cache_entry(hwaddr old_phys_addr,
hwaddr new_phys_addr,
hwaddr size);
#else
static inline void xen_map_cache_init(phys_offset_to_gaddr_t f,
void *opaque)
{
}
static inline uint8_t *xen_map_cache(hwaddr phys_addr,
hwaddr size,
uint8_t lock,
bool dma)
{
abort();
}
static inline ram_addr_t xen_ram_addr_from_mapcache(void *ptr)
{
abort();
}
static inline void xen_invalidate_map_cache_entry(uint8_t *buffer)
{
}
static inline void xen_invalidate_map_cache(void)
{
}
static inline uint8_t *xen_replace_cache_entry(hwaddr old_phys_addr,
hwaddr new_phys_addr,
hwaddr size)
{
abort();
}
#endif
#endif /* XEN_MAPCACHE_H */