92 lines
3.1 KiB
C
92 lines
3.1 KiB
C
|
/*
|
||
|
|
* CPU features/facilities helper structs and utility functions for s390
|
||
|
|
*
|
||
|
|
* Copyright 2016 IBM Corp.
|
||
|
|
*
|
||
|
|
* Author(s): Michael Mueller <mimu@linux.vnet.ibm.com>
|
||
|
|
* David Hildenbrand <dahi@linux.vnet.ibm.com>
|
||
|
|
*
|
||
|
|
* This work is licensed under the terms of the GNU GPL, version 2 or (at
|
||
|
|
* your option) any later version. See the COPYING file in the top-level
|
||
|
|
* directory.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef TARGET_S390X_CPU_FEATURES_H
|
||
|
|
#define TARGET_S390X_CPU_FEATURES_H
|
||
|
|
|
||
|
|
#include "qemu/bitmap.h"
|
||
|
|
#include "cpu_features_def.h"
|
||
|
|
#include "gen-features.h"
|
||
|
|
|
||
|
|
/* CPU features are announced via different ways */
|
||
|
|
typedef enum {
|
||
|
|
S390_FEAT_TYPE_STFL,
|
||
|
|
S390_FEAT_TYPE_SCLP_CONF_CHAR,
|
||
|
|
S390_FEAT_TYPE_SCLP_CONF_CHAR_EXT,
|
||
|
|
S390_FEAT_TYPE_SCLP_CPU,
|
||
|
|
S390_FEAT_TYPE_MISC,
|
||
|
|
S390_FEAT_TYPE_PLO,
|
||
|
|
S390_FEAT_TYPE_PTFF,
|
||
|
|
S390_FEAT_TYPE_KMAC,
|
||
|
|
S390_FEAT_TYPE_KMC,
|
||
|
|
S390_FEAT_TYPE_KM,
|
||
|
|
S390_FEAT_TYPE_KIMD,
|
||
|
|
S390_FEAT_TYPE_KLMD,
|
||
|
|
S390_FEAT_TYPE_PCKMO,
|
||
|
|
S390_FEAT_TYPE_KMCTR,
|
||
|
|
S390_FEAT_TYPE_KMF,
|
||
|
|
S390_FEAT_TYPE_KMO,
|
||
|
|
S390_FEAT_TYPE_PCC,
|
||
|
|
S390_FEAT_TYPE_PPNO,
|
||
|
|
S390_FEAT_TYPE_KMA,
|
||
|
|
S390_FEAT_TYPE_KDSA,
|
||
|
|
S390_FEAT_TYPE_SORTL,
|
||
|
|
S390_FEAT_TYPE_DFLTCC,
|
||
|
|
} S390FeatType;
|
||
|
|
|
||
|
|
/* Definition of a CPU feature */
|
||
|
|
typedef struct {
|
||
|
|
const char *name; /* name exposed to the user */
|
||
|
|
const char *desc; /* description exposed to the user */
|
||
|
|
S390FeatType type; /* feature type (way of indication)*/
|
||
|
|
int bit; /* bit within the feature type area (fixed) */
|
||
|
|
} S390FeatDef;
|
||
|
|
|
||
|
|
/* use ordinary bitmap operations to work with features */
|
||
|
|
typedef unsigned long S390FeatBitmap[BITS_TO_LONGS(S390_FEAT_MAX)];
|
||
|
|
|
||
|
|
/* 64bit based bitmap used to init S390FeatBitmap from generated data */
|
||
|
|
typedef uint64_t S390FeatInit[S390_FEAT_MAX / 64 + 1];
|
||
|
|
|
||
|
|
const S390FeatDef *s390_feat_def(S390Feat feat);
|
||
|
|
S390Feat s390_feat_by_type_and_bit(S390FeatType type, int bit);
|
||
|
|
void s390_init_feat_bitmap(const S390FeatInit init, S390FeatBitmap bitmap);
|
||
|
|
void s390_fill_feat_block(const S390FeatBitmap features, S390FeatType type,
|
||
|
|
uint8_t *data);
|
||
|
|
void s390_add_from_feat_block(S390FeatBitmap features, S390FeatType type,
|
||
|
|
uint8_t *data);
|
||
|
|
void s390_feat_bitmap_to_ascii(const S390FeatBitmap features, void *opaque,
|
||
|
|
void (*fn)(const char *name, void *opaque));
|
||
|
|
|
||
|
|
/* Definition of a CPU feature group */
|
||
|
|
typedef struct {
|
||
|
|
const char *name; /* name exposed to the user */
|
||
|
|
const char *desc; /* description exposed to the user */
|
||
|
|
S390FeatBitmap feat; /* features contained in the group */
|
||
|
|
S390FeatInit init; /* used to init feat from generated data */
|
||
|
|
} S390FeatGroupDef;
|
||
|
|
|
||
|
|
const S390FeatGroupDef *s390_feat_group_def(S390FeatGroup group);
|
||
|
|
|
||
|
|
#define BE_BIT_NR(BIT) (BIT ^ (BITS_PER_LONG - 1))
|
||
|
|
|
||
|
|
static inline void set_be_bit(unsigned int bit_nr, uint8_t *array)
|
||
|
|
{
|
||
|
|
array[bit_nr / 8] |= 0x80 >> (bit_nr % 8);
|
||
|
|
}
|
||
|
|
static inline bool test_be_bit(unsigned int bit_nr, const uint8_t *array)
|
||
|
|
{
|
||
|
|
return array[bit_nr / 8] & (0x80 >> (bit_nr % 8));
|
||
|
|
}
|
||
|
|
#endif /* TARGET_S390X_CPU_FEATURES_H */
|