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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASMS390_SET_MEMORY_H
#define _ASMS390_SET_MEMORY_H
#include <linux/mutex.h>
extern struct mutex cpa_mutex;
enum {
_SET_MEMORY_RO_BIT,
_SET_MEMORY_RW_BIT,
_SET_MEMORY_NX_BIT,
_SET_MEMORY_X_BIT,
_SET_MEMORY_4K_BIT,
_SET_MEMORY_INV_BIT,
_SET_MEMORY_DEF_BIT,
};
#define SET_MEMORY_RO BIT(_SET_MEMORY_RO_BIT)
#define SET_MEMORY_RW BIT(_SET_MEMORY_RW_BIT)
#define SET_MEMORY_NX BIT(_SET_MEMORY_NX_BIT)
#define SET_MEMORY_X BIT(_SET_MEMORY_X_BIT)
#define SET_MEMORY_4K BIT(_SET_MEMORY_4K_BIT)
#define SET_MEMORY_INV BIT(_SET_MEMORY_INV_BIT)
#define SET_MEMORY_DEF BIT(_SET_MEMORY_DEF_BIT)
int __set_memory(unsigned long addr, int numpages, unsigned long flags);
static inline int set_memory_ro(unsigned long addr, int numpages)
{
return __set_memory(addr, numpages, SET_MEMORY_RO);
}
static inline int set_memory_rw(unsigned long addr, int numpages)
{
return __set_memory(addr, numpages, SET_MEMORY_RW);
}
static inline int set_memory_nx(unsigned long addr, int numpages)
{
return __set_memory(addr, numpages, SET_MEMORY_NX);
}
static inline int set_memory_x(unsigned long addr, int numpages)
{
return __set_memory(addr, numpages, SET_MEMORY_X);
}
#define set_memory_rox set_memory_rox
static inline int set_memory_rox(unsigned long addr, int numpages)
{
return __set_memory(addr, numpages, SET_MEMORY_RO | SET_MEMORY_X);
}
static inline int set_memory_rwnx(unsigned long addr, int numpages)
{
return __set_memory(addr, numpages, SET_MEMORY_RW | SET_MEMORY_NX);
}
static inline int set_memory_4k(unsigned long addr, int numpages)
{
return __set_memory(addr, numpages, SET_MEMORY_4K);
}
int set_direct_map_invalid_noflush(struct page *page);
int set_direct_map_default_noflush(struct page *page);
#endif
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