hw/arm/virt: Merge VirtBoardInfo and VirtMachineState
[qemu.git] / target / s390x / cpu_features.h
1 /*
2 * CPU features/facilities helper structs and utility functions for s390
3 *
4 * Copyright 2016 IBM Corp.
5 *
6 * Author(s): Michael Mueller <mimu@linux.vnet.ibm.com>
7 * David Hildenbrand <dahi@linux.vnet.ibm.com>
8 *
9 * This work is licensed under the terms of the GNU GPL, version 2 or (at
10 * your option) any later version. See the COPYING file in the top-level
11 * directory.
12 */
13
14 #ifndef TARGET_S390X_CPU_FEATURES_H
15 #define TARGET_S390X_CPU_FEATURES_H
16
17 #include "qemu/bitmap.h"
18 #include "cpu_features_def.h"
19
20 /* CPU features are announced via different ways */
21 typedef enum {
22 S390_FEAT_TYPE_STFL,
23 S390_FEAT_TYPE_SCLP_CONF_CHAR,
24 S390_FEAT_TYPE_SCLP_CONF_CHAR_EXT,
25 S390_FEAT_TYPE_SCLP_CPU,
26 S390_FEAT_TYPE_MISC,
27 S390_FEAT_TYPE_PLO,
28 S390_FEAT_TYPE_PTFF,
29 S390_FEAT_TYPE_KMAC,
30 S390_FEAT_TYPE_KMC,
31 S390_FEAT_TYPE_KM,
32 S390_FEAT_TYPE_KIMD,
33 S390_FEAT_TYPE_KLMD,
34 S390_FEAT_TYPE_PCKMO,
35 S390_FEAT_TYPE_KMCTR,
36 S390_FEAT_TYPE_KMF,
37 S390_FEAT_TYPE_KMO,
38 S390_FEAT_TYPE_PCC,
39 S390_FEAT_TYPE_PPNO,
40 } S390FeatType;
41
42 /* Definition of a CPU feature */
43 typedef struct {
44 const char *name; /* name exposed to the user */
45 const char *desc; /* description exposed to the user */
46 S390FeatType type; /* feature type (way of indication)*/
47 int bit; /* bit within the feature type area (fixed) */
48 } S390FeatDef;
49
50 /* use ordinary bitmap operations to work with features */
51 typedef unsigned long S390FeatBitmap[BITS_TO_LONGS(S390_FEAT_MAX)];
52
53 /* 64bit based bitmap used to init S390FeatBitmap from generated data */
54 typedef uint64_t S390FeatInit[S390_FEAT_MAX / 64 + 1];
55
56 const S390FeatDef *s390_feat_def(S390Feat feat);
57 S390Feat s390_feat_by_type_and_bit(S390FeatType type, int bit);
58 void s390_init_feat_bitmap(const S390FeatInit init, S390FeatBitmap bitmap);
59 void s390_fill_feat_block(const S390FeatBitmap features, S390FeatType type,
60 uint8_t *data);
61 void s390_add_from_feat_block(S390FeatBitmap features, S390FeatType type,
62 uint8_t *data);
63 void s390_feat_bitmap_to_ascii(const S390FeatBitmap features, void *opaque,
64 void (*fn)(const char *name, void *opaque));
65
66 /* static groups that will never change */
67 typedef enum {
68 S390_FEAT_GROUP_PLO,
69 S390_FEAT_GROUP_TOD_CLOCK_STEERING,
70 S390_FEAT_GROUP_GEN13_PTFF_ENH,
71 S390_FEAT_GROUP_MSA,
72 S390_FEAT_GROUP_MSA_EXT_1,
73 S390_FEAT_GROUP_MSA_EXT_2,
74 S390_FEAT_GROUP_MSA_EXT_3,
75 S390_FEAT_GROUP_MSA_EXT_4,
76 S390_FEAT_GROUP_MSA_EXT_5,
77 S390_FEAT_GROUP_MAX,
78 } S390FeatGroup;
79
80 /* Definition of a CPU feature group */
81 typedef struct {
82 const char *name; /* name exposed to the user */
83 const char *desc; /* description exposed to the user */
84 S390FeatBitmap feat; /* features contained in the group */
85 S390FeatInit init; /* used to init feat from generated data */
86 } S390FeatGroupDef;
87
88 const S390FeatGroupDef *s390_feat_group_def(S390FeatGroup group);
89
90 #define BE_BIT_NR(BIT) (BIT ^ (BITS_PER_LONG - 1))
91 #define BE_BIT(BIT) (1ULL < BE_BIT_NR(BIT))
92
93 #endif /* TARGET_S390X_CPU_FEATURES_H */