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e2be04c7 1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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2#ifndef __LINUX_KVM_S390_H
3#define __LINUX_KVM_S390_H
b0c632db 4/*
a53c8fab 5 * KVM s390 specific structures and definitions
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6 *
7 * Copyright IBM Corp. 2008
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License (version 2 only)
11 * as published by the Free Software Foundation.
12 *
13 * Author(s): Carsten Otte <cotte@de.ibm.com>
14 * Christian Borntraeger <borntraeger@de.ibm.com>
15 */
0680ba01 16#include <linux/types.h>
b0c632db 17
d7b0b5eb 18#define __KVM_S390
27291e21 19#define __KVM_HAVE_GUEST_DEBUG
d7b0b5eb 20
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21/* Device control API: s390-specific devices */
22#define KVM_DEV_FLIC_GET_ALL_IRQS 1
23#define KVM_DEV_FLIC_ENQUEUE 2
24#define KVM_DEV_FLIC_CLEAR_IRQS 3
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25#define KVM_DEV_FLIC_APF_ENABLE 4
26#define KVM_DEV_FLIC_APF_DISABLE_WAIT 5
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27#define KVM_DEV_FLIC_ADAPTER_REGISTER 6
28#define KVM_DEV_FLIC_ADAPTER_MODIFY 7
6d28f789 29#define KVM_DEV_FLIC_CLEAR_IO_IRQ 8
51978393 30#define KVM_DEV_FLIC_AISM 9
a8920950 31#define KVM_DEV_FLIC_AIRQ_INJECT 10
2c1a48f2 32#define KVM_DEV_FLIC_AISM_ALL 11
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33/*
34 * We can have up to 4*64k pending subchannels + 8 adapter interrupts,
35 * as well as up to ASYNC_PF_PER_VCPU*KVM_MAX_VCPUS pfault done interrupts.
36 * There are also sclp and machine checks. This gives us
37 * sizeof(kvm_s390_irq)*(4*65536+8+64*64+1+1) = 72 * 266250 = 19170000
38 * Lets round up to 8192 pages.
39 */
a91b8ebe 40#define KVM_S390_MAX_FLOAT_IRQS 266250
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41#define KVM_S390_FLIC_MAX_BUFFER 0x2000000
42
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43struct kvm_s390_io_adapter {
44 __u32 id;
45 __u8 isc;
46 __u8 maskable;
47 __u8 swap;
08fab50d 48 __u8 flags;
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49};
50
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51#define KVM_S390_ADAPTER_SUPPRESSIBLE 0x01
52
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53struct kvm_s390_ais_req {
54 __u8 isc;
55 __u16 mode;
56};
57
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58struct kvm_s390_ais_all {
59 __u8 simm;
60 __u8 nimm;
61};
62
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63#define KVM_S390_IO_ADAPTER_MASK 1
64#define KVM_S390_IO_ADAPTER_MAP 2
65#define KVM_S390_IO_ADAPTER_UNMAP 3
66
67struct kvm_s390_io_adapter_req {
68 __u32 id;
69 __u8 type;
70 __u8 mask;
71 __u16 pad0;
72 __u64 addr;
73};
74
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75/* kvm attr_group on vm fd */
76#define KVM_S390_VM_MEM_CTRL 0
72f25020 77#define KVM_S390_VM_TOD 1
a374e892 78#define KVM_S390_VM_CRYPTO 2
658b6eda 79#define KVM_S390_VM_CPU_MODEL 3
190df4a2 80#define KVM_S390_VM_MIGRATION 4
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81
82/* kvm attributes for mem_ctrl */
83#define KVM_S390_VM_MEM_ENABLE_CMMA 0
84#define KVM_S390_VM_MEM_CLR_CMMA 1
8c0a7ce6 85#define KVM_S390_VM_MEM_LIMIT_SIZE 2
4f718eab 86
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87#define KVM_S390_NO_MEM_LIMIT U64_MAX
88
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89/* kvm attributes for KVM_S390_VM_TOD */
90#define KVM_S390_VM_TOD_LOW 0
91#define KVM_S390_VM_TOD_HIGH 1
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92#define KVM_S390_VM_TOD_EXT 2
93
94struct kvm_s390_vm_tod_clock {
95 __u8 epoch_idx;
96 __u64 tod;
97};
72f25020 98
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99/* kvm attributes for KVM_S390_VM_CPU_MODEL */
100/* processor related attributes are r/w */
101#define KVM_S390_VM_CPU_PROCESSOR 0
102struct kvm_s390_vm_cpu_processor {
103 __u64 cpuid;
104 __u16 ibc;
105 __u8 pad[6];
106 __u64 fac_list[256];
107};
108
109/* machine related attributes are r/o */
110#define KVM_S390_VM_CPU_MACHINE 1
111struct kvm_s390_vm_cpu_machine {
112 __u64 cpuid;
113 __u32 ibc;
114 __u8 pad[4];
115 __u64 fac_mask[256];
116 __u64 fac_list[256];
117};
118
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119#define KVM_S390_VM_CPU_PROCESSOR_FEAT 2
120#define KVM_S390_VM_CPU_MACHINE_FEAT 3
121
122#define KVM_S390_VM_CPU_FEAT_NR_BITS 1024
22be5a13 123#define KVM_S390_VM_CPU_FEAT_ESOP 0
a3508fbe 124#define KVM_S390_VM_CPU_FEAT_SIEF2 1
19c439b5 125#define KVM_S390_VM_CPU_FEAT_64BSCAO 2
0615a326 126#define KVM_S390_VM_CPU_FEAT_SIIF 3
77d18f6d 127#define KVM_S390_VM_CPU_FEAT_GPERE 4
a1b7b9b2 128#define KVM_S390_VM_CPU_FEAT_GSLS 5
5630a8e8 129#define KVM_S390_VM_CPU_FEAT_IB 6
13ee3f67 130#define KVM_S390_VM_CPU_FEAT_CEI 7
7fd7f39d 131#define KVM_S390_VM_CPU_FEAT_IBS 8
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132#define KVM_S390_VM_CPU_FEAT_SKEY 9
133#define KVM_S390_VM_CPU_FEAT_CMMA 10
134#define KVM_S390_VM_CPU_FEAT_PFMFI 11
135#define KVM_S390_VM_CPU_FEAT_SIGPIF 12
730cd632 136#define KVM_S390_VM_CPU_FEAT_KSS 13
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137struct kvm_s390_vm_cpu_feat {
138 __u64 feat[16];
139};
140
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141#define KVM_S390_VM_CPU_PROCESSOR_SUBFUNC 4
142#define KVM_S390_VM_CPU_MACHINE_SUBFUNC 5
143/* for "test bit" instructions MSB 0 bit ordering, for "query" raw blocks */
144struct kvm_s390_vm_cpu_subfunc {
145 __u8 plo[32]; /* always */
146 __u8 ptff[16]; /* with TOD-clock steering */
147 __u8 kmac[16]; /* with MSA */
148 __u8 kmc[16]; /* with MSA */
149 __u8 km[16]; /* with MSA */
150 __u8 kimd[16]; /* with MSA */
151 __u8 klmd[16]; /* with MSA */
152 __u8 pckmo[16]; /* with MSA3 */
153 __u8 kmctr[16]; /* with MSA4 */
154 __u8 kmf[16]; /* with MSA4 */
155 __u8 kmo[16]; /* with MSA4 */
156 __u8 pcc[16]; /* with MSA4 */
157 __u8 ppno[16]; /* with MSA5 */
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158 __u8 kma[16]; /* with MSA8 */
159 __u8 reserved[1808];
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160};
161
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162/* kvm attributes for crypto */
163#define KVM_S390_VM_CRYPTO_ENABLE_AES_KW 0
164#define KVM_S390_VM_CRYPTO_ENABLE_DEA_KW 1
165#define KVM_S390_VM_CRYPTO_DISABLE_AES_KW 2
166#define KVM_S390_VM_CRYPTO_DISABLE_DEA_KW 3
167
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168/* kvm attributes for migration mode */
169#define KVM_S390_VM_MIGRATION_STOP 0
170#define KVM_S390_VM_MIGRATION_START 1
171#define KVM_S390_VM_MIGRATION_STATUS 2
172
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173/* for KVM_GET_REGS and KVM_SET_REGS */
174struct kvm_regs {
175 /* general purpose regs for s390 */
176 __u64 gprs[16];
177};
178
179/* for KVM_GET_SREGS and KVM_SET_SREGS */
180struct kvm_sregs {
181 __u32 acrs[16];
182 __u64 crs[16];
183};
184
185/* for KVM_GET_FPU and KVM_SET_FPU */
186struct kvm_fpu {
187 __u32 fpc;
188 __u64 fprs[16];
189};
dd135ebb 190
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191#define KVM_GUESTDBG_USE_HW_BP 0x00010000
192
193#define KVM_HW_BP 1
194#define KVM_HW_WP_WRITE 2
195#define KVM_SINGLESTEP 4
196
d0bfb940 197struct kvm_debug_exit_arch {
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198 __u64 addr;
199 __u8 type;
200 __u8 pad[7]; /* Should be set to 0 */
201};
202
203struct kvm_hw_breakpoint {
204 __u64 addr;
205 __u64 phys_addr;
206 __u64 len;
207 __u8 type;
208 __u8 pad[7]; /* Should be set to 0 */
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209};
210
211/* for KVM_SET_GUEST_DEBUG */
212struct kvm_guest_debug_arch {
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213 __u32 nr_hw_bp;
214 __u32 pad; /* Should be set to 0 */
215 struct kvm_hw_breakpoint __user *hw_bp;
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216};
217
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218/* for KVM_SYNC_PFAULT and KVM_REG_S390_PFTOKEN */
219#define KVM_S390_PFAULT_TOKEN_INVALID 0xffffffffffffffffULL
220
60b413c9 221#define KVM_SYNC_PREFIX (1UL << 0)
5a32c1af 222#define KVM_SYNC_GPRS (1UL << 1)
59674c1a 223#define KVM_SYNC_ACRS (1UL << 2)
9eed0735 224#define KVM_SYNC_CRS (1UL << 3)
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225#define KVM_SYNC_ARCH0 (1UL << 4)
226#define KVM_SYNC_PFAULT (1UL << 5)
68c55750 227#define KVM_SYNC_VRS (1UL << 6)
c6e5f166 228#define KVM_SYNC_RICCB (1UL << 7)
6fd8e67d 229#define KVM_SYNC_FPRS (1UL << 8)
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230#define KVM_SYNC_GSCB (1UL << 9)
231/* length and alignment of the sdnx as a power of two */
232#define SDNXC 8
233#define SDNXL (1UL << SDNXC)
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234/* definition of registers in kvm_run */
235struct kvm_sync_regs {
60b413c9 236 __u64 prefix; /* prefix register */
5a32c1af 237 __u64 gprs[16]; /* general purpose registers */
59674c1a 238 __u32 acrs[16]; /* access registers */
9eed0735 239 __u64 crs[16]; /* control registers */
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240 __u64 todpr; /* tod programmable register [ARCH0] */
241 __u64 cputm; /* cpu timer [ARCH0] */
242 __u64 ckc; /* clock comparator [ARCH0] */
243 __u64 pp; /* program parameter [ARCH0] */
244 __u64 gbea; /* guest breaking-event address [ARCH0] */
245 __u64 pft; /* pfault token [PFAULT] */
246 __u64 pfs; /* pfault select [PFAULT] */
247 __u64 pfc; /* pfault compare [PFAULT] */
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248 union {
249 __u64 vrs[32][2]; /* vector registers (KVM_SYNC_VRS) */
250 __u64 fprs[16]; /* fp registers (KVM_SYNC_FPRS) */
251 };
68c55750 252 __u8 reserved[512]; /* for future vector expansion */
6fd8e67d 253 __u32 fpc; /* valid on KVM_SYNC_VRS or KVM_SYNC_FPRS */
4e0b1ab7 254 __u8 padding1[52]; /* riccb needs to be 64byte aligned */
c6e5f166 255 __u8 riccb[64]; /* runtime instrumentation controls block */
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256 __u8 padding2[192]; /* sdnx needs to be 256byte aligned */
257 union {
258 __u8 sdnx[SDNXL]; /* state description annex */
259 struct {
260 __u64 reserved1[2];
261 __u64 gscb[4];
262 };
263 };
b9e5dc8d 264};
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265
266#define KVM_REG_S390_TODPR (KVM_REG_S390 | KVM_REG_SIZE_U32 | 0x1)
267#define KVM_REG_S390_EPOCHDIFF (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x2)
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268#define KVM_REG_S390_CPU_TIMER (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x3)
269#define KVM_REG_S390_CLOCK_COMP (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x4)
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270#define KVM_REG_S390_PFTOKEN (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x5)
271#define KVM_REG_S390_PFCOMPARE (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x6)
272#define KVM_REG_S390_PFSELECT (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x7)
672550fb 273#define KVM_REG_S390_PP (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x8)
afa45ff5 274#define KVM_REG_S390_GBEA (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x9)
dd135ebb 275#endif