aboutsummaryrefslogtreecommitdiffstats
path: root/arch/s390/include/uapi/asm/kvm.h
blob: 16511d97e8dc037c8c0b9a60b09a0adf409e6d20 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef __LINUX_KVM_S390_H
#define __LINUX_KVM_S390_H
/*
 * KVM s390 specific structures and definitions
 *
 * Copyright IBM Corp. 2008, 2018
 *
 *    Author(s): Carsten Otte <cotte@de.ibm.com>
 *               Christian Borntraeger <borntraeger@de.ibm.com>
 */
#include <linux/types.h>

#define __KVM_S390
#define __KVM_HAVE_GUEST_DEBUG

/* Device control API: s390-specific devices */
#define KVM_DEV_FLIC_GET_ALL_IRQS	1
#define KVM_DEV_FLIC_ENQUEUE		2
#define KVM_DEV_FLIC_CLEAR_IRQS		3
#define KVM_DEV_FLIC_APF_ENABLE		4
#define KVM_DEV_FLIC_APF_DISABLE_WAIT	5
#define KVM_DEV_FLIC_ADAPTER_REGISTER	6
#define KVM_DEV_FLIC_ADAPTER_MODIFY	7
#define KVM_DEV_FLIC_CLEAR_IO_IRQ	8
#define KVM_DEV_FLIC_AISM		9
#define KVM_DEV_FLIC_AIRQ_INJECT	10
#define KVM_DEV_FLIC_AISM_ALL		11
/*
 * We can have up to 4*64k pending subchannels + 8 adapter interrupts,
 * as well as up  to ASYNC_PF_PER_VCPU*KVM_MAX_VCPUS pfault done interrupts.
 * There are also sclp and machine checks. This gives us
 * sizeof(kvm_s390_irq)*(4*65536+8+64*64+1+1) = 72 * 266250 = 19170000
 * Lets round up to 8192 pages.
 */
#define KVM_S390_MAX_FLOAT_IRQS	266250
#define KVM_S390_FLIC_MAX_BUFFER	0x2000000

struct kvm_s390_io_adapter {
	__u32 id;
	__u8 isc;
	__u8 maskable;
	__u8 swap;
	__u8 flags;
};

#define KVM_S390_ADAPTER_SUPPRESSIBLE 0x01

struct kvm_s390_ais_req {
	__u8 isc;
	__u16 mode;
};

struct kvm_s390_ais_all {
	__u8 simm;
	__u8 nimm;
};

#define KVM_S390_IO_ADAPTER_MASK 1
#define KVM_S390_IO_ADAPTER_MAP 2
#define KVM_S390_IO_ADAPTER_UNMAP 3

struct kvm_s390_io_adapter_req {
	__u32 id;
	__u8 type;
	__u8 mask;
	__u16 pad0;
	__u64 addr;
};

/* kvm attr_group  on vm fd */
#define KVM_S390_VM_MEM_CTRL		0
#define KVM_S390_VM_TOD			1
#define KVM_S390_VM_CRYPTO		2
#define KVM_S390_VM_CPU_MODEL		3
#define KVM_S390_VM_MIGRATION		4

/* kvm attributes for mem_ctrl */
#define KVM_S390_VM_MEM_ENABLE_CMMA	0
#define KVM_S390_VM_MEM_CLR_CMMA	1
#define KVM_S390_VM_MEM_LIMIT_SIZE	2

#define KVM_S390_NO_MEM_LIMIT		U64_MAX

/* kvm attributes for KVM_S390_VM_TOD */
#define KVM_S390_VM_TOD_LOW		0
#define KVM_S390_VM_TOD_HIGH		1
#define KVM_S390_VM_TOD_EXT		2

struct kvm_s390_vm_tod_clock {
	__u8  epoch_idx;
	__u64 tod;
};

/* kvm attributes for KVM_S390_VM_CPU_MODEL */
/* processor related attributes are r/w */
#define KVM_S390_VM_CPU_PROCESSOR	0
struct kvm_s390_vm_cpu_processor {
	__u64 cpuid;
	__u16 ibc;
	__u8  pad[6];
	__u64 fac_list[256];
};

/* machine related attributes are r/o */
#define KVM_S390_VM_CPU_MACHINE		1
struct kvm_s390_vm_cpu_machine {
	__u64 cpuid;
	__u32 ibc;
	__u8  pad[4];
	__u64 fac_mask[256];
	__u64 fac_list[256];
};

#define KVM_S390_VM_CPU_PROCESSOR_FEAT	2
#define KVM_S390_VM_CPU_MACHINE_FEAT	3

#define KVM_S390_VM_CPU_FEAT_NR_BITS	1024
#define KVM_S390_VM_CPU_FEAT_ESOP	0
#define KVM_S390_VM_CPU_FEAT_SIEF2	1
#define KVM_S390_VM_CPU_FEAT_64BSCAO	2
#define KVM_S390_VM_CPU_FEAT_SIIF	3
#define KVM_S390_VM_CPU_FEAT_GPERE	4
#define KVM_S390_VM_CPU_FEAT_GSLS	5
#define KVM_S390_VM_CPU_FEAT_IB		6
#define KVM_S390_VM_CPU_FEAT_CEI	7
#define KVM_S390_VM_CPU_FEAT_IBS	8
#define KVM_S390_VM_CPU_FEAT_SKEY	9
#define KVM_S390_VM_CPU_FEAT_CMMA	10
#define KVM_S390_VM_CPU_FEAT_PFMFI	11
#define KVM_S390_VM_CPU_FEAT_SIGPIF	12
#define KVM_S390_VM_CPU_FEAT_KSS	13
struct kvm_s390_vm_cpu_feat {
	__u64 feat[16];
};

#define KVM_S390_VM_CPU_PROCESSOR_SUBFUNC	4
#define KVM_S390_VM_CPU_MACHINE_SUBFUNC		5
/* for "test bit" instructions MSB 0 bit ordering, for "query" raw blocks */
struct kvm_s390_vm_cpu_subfunc {
	__u8 plo[32];		/* always */
	__u8 ptff[16];		/* with TOD-clock steering */
	__u8 kmac[16];		/* with MSA */
	__u8 kmc[16];		/* with MSA */
	__u8 km[16];		/* with MSA */
	__u8 kimd[16];		/* with MSA */
	__u8 klmd[16];		/* with MSA */
	__u8 pckmo[16];		/* with MSA3 */
	__u8 kmctr[16];		/* with MSA4 */
	__u8 kmf[16];		/* with MSA4 */
	__u8 kmo[16];		/* with MSA4 */
	__u8 pcc[16];		/* with MSA4 */
	__u8 ppno[16];		/* with MSA5 */
	__u8 kma[16];		/* with MSA8 */
	__u8 reserved[1808];
};

/* kvm attributes for crypto */
#define KVM_S390_VM_CRYPTO_ENABLE_AES_KW	0
#define KVM_S390_VM_CRYPTO_ENABLE_DEA_KW	1
#define KVM_S390_VM_CRYPTO_DISABLE_AES_KW	2
#define KVM_S390_VM_CRYPTO_DISABLE_DEA_KW	3
#define KVM_S390_VM_CRYPTO_ENABLE_APIE		4
#define KVM_S390_VM_CRYPTO_DISABLE_APIE		5

/* kvm attributes for migration mode */
#define KVM_S390_VM_MIGRATION_STOP	0
#define KVM_S390_VM_MIGRATION_START	1
#define KVM_S390_VM_MIGRATION_STATUS	2

/* for KVM_GET_REGS and KVM_SET_REGS */
struct kvm_regs {
	/* general purpose regs for s390 */
	__u64 gprs[16];
};

/* for KVM_GET_SREGS and KVM_SET_SREGS */
struct kvm_sregs {
	__u32 acrs[16];
	__u64 crs[16];
};

/* for KVM_GET_FPU and KVM_SET_FPU */
struct kvm_fpu {
	__u32 fpc;
	__u64 fprs[16];
};

#define KVM_GUESTDBG_USE_HW_BP		0x00010000

#define KVM_HW_BP			1
#define KVM_HW_WP_WRITE			2
#define KVM_SINGLESTEP			4

struct kvm_debug_exit_arch {
	__u64 addr;
	__u8 type;
	__u8 pad[7]; /* Should be set to 0 */
};

struct kvm_hw_breakpoint {
	__u64 addr;
	__u64 phys_addr;
	__u64 len;
	__u8 type;
	__u8 pad[7]; /* Should be set to 0 */
};

/* for KVM_SET_GUEST_DEBUG */
struct kvm_guest_debug_arch {
	__u32 nr_hw_bp;
	__u32 pad; /* Should be set to 0 */
	struct kvm_hw_breakpoint __user *hw_bp;
};

/* for KVM_SYNC_PFAULT and KVM_REG_S390_PFTOKEN */
#define KVM_S390_PFAULT_TOKEN_INVALID	0xffffffffffffffffULL

#define KVM_SYNC_PREFIX (1UL << 0)
#define KVM_SYNC_GPRS   (1UL << 1)
#define KVM_SYNC_ACRS   (1UL << 2)
#define KVM_SYNC_CRS    (1UL << 3)
#define KVM_SYNC_ARCH0  (1UL << 4)
#define KVM_SYNC_PFAULT (1UL << 5)
#define KVM_SYNC_VRS    (1UL << 6)
#define KVM_SYNC_RICCB  (1UL << 7)
#define KVM_SYNC_FPRS   (1UL << 8)
#define KVM_SYNC_GSCB   (1UL << 9)
#define KVM_SYNC_BPBC   (1UL << 10)
#define KVM_SYNC_ETOKEN (1UL << 11)
/* length and alignment of the sdnx as a power of two */
#define SDNXC 8
#define SDNXL (1UL << SDNXC)
/* definition of registers in kvm_run */
struct kvm_sync_regs {
	__u64 prefix;	/* prefix register */
	__u64 gprs[16];	/* general purpose registers */
	__u32 acrs[16];	/* access registers */
	__u64 crs[16];	/* control registers */
	__u64 todpr;	/* tod programmable register [ARCH0] */
	__u64 cputm;	/* cpu timer [ARCH0] */
	__u64 ckc;	/* clock comparator [ARCH0] */
	__u64 pp;	/* program parameter [ARCH0] */
	__u64 gbea;	/* guest breaking-event address [ARCH0] */
	__u64 pft;	/* pfault token [PFAULT] */
	__u64 pfs;	/* pfault select [PFAULT] */
	__u64 pfc;	/* pfault compare [PFAULT] */
	union {
		__u64 vrs[32][2];	/* vector registers (KVM_SYNC_VRS) */
		__u64 fprs[16];		/* fp registers (KVM_SYNC_FPRS) */
	};
	__u8  reserved[512];	/* for future vector expansion */
	__u32 fpc;		/* valid on KVM_SYNC_VRS or KVM_SYNC_FPRS */
	__u8 bpbc : 1;		/* bp mode */
	__u8 reserved2 : 7;
	__u8 padding1[51];	/* riccb needs to be 64byte aligned */
	__u8 riccb[64];		/* runtime instrumentation controls block */
	__u8 padding2[192];	/* sdnx needs to be 256byte aligned */
	union {
		__u8 sdnx[SDNXL];  /* state description annex */
		struct {
			__u64 reserved1[2];
			__u64 gscb[4];
			__u64 etoken;
			__u64 etoken_extension;
		};
	};
};

#define KVM_REG_S390_TODPR	(KVM_REG_S390 | KVM_REG_SIZE_U32 | 0x1)
#define KVM_REG_S390_EPOCHDIFF	(KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x2)
#define KVM_REG_S390_CPU_TIMER  (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x3)
#define KVM_REG_S390_CLOCK_COMP (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x4)
#define KVM_REG_S390_PFTOKEN	(KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x5)
#define KVM_REG_S390_PFCOMPARE	(KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x6)
#define KVM_REG_S390_PFSELECT	(KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x7)
#define KVM_REG_S390_PP		(KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x8)
#define KVM_REG_S390_GBEA	(KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x9)
#endif

Privacy Policy