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s390/sclp: Detect KSS facility
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1#ifndef __LINUX_KVM_S390_H
2#define __LINUX_KVM_S390_H
b0c632db 3/*
a53c8fab 4 * KVM s390 specific structures and definitions
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5 *
6 * Copyright IBM Corp. 2008
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License (version 2 only)
10 * as published by the Free Software Foundation.
11 *
12 * Author(s): Carsten Otte <cotte@de.ibm.com>
13 * Christian Borntraeger <borntraeger@de.ibm.com>
14 */
0680ba01 15#include <linux/types.h>
b0c632db 16
d7b0b5eb 17#define __KVM_S390
27291e21 18#define __KVM_HAVE_GUEST_DEBUG
d7b0b5eb 19
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20/* Device control API: s390-specific devices */
21#define KVM_DEV_FLIC_GET_ALL_IRQS 1
22#define KVM_DEV_FLIC_ENQUEUE 2
23#define KVM_DEV_FLIC_CLEAR_IRQS 3
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24#define KVM_DEV_FLIC_APF_ENABLE 4
25#define KVM_DEV_FLIC_APF_DISABLE_WAIT 5
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26#define KVM_DEV_FLIC_ADAPTER_REGISTER 6
27#define KVM_DEV_FLIC_ADAPTER_MODIFY 7
6d28f789 28#define KVM_DEV_FLIC_CLEAR_IO_IRQ 8
51978393 29#define KVM_DEV_FLIC_AISM 9
a8920950 30#define KVM_DEV_FLIC_AIRQ_INJECT 10
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31/*
32 * We can have up to 4*64k pending subchannels + 8 adapter interrupts,
33 * as well as up to ASYNC_PF_PER_VCPU*KVM_MAX_VCPUS pfault done interrupts.
34 * There are also sclp and machine checks. This gives us
35 * sizeof(kvm_s390_irq)*(4*65536+8+64*64+1+1) = 72 * 266250 = 19170000
36 * Lets round up to 8192 pages.
37 */
a91b8ebe 38#define KVM_S390_MAX_FLOAT_IRQS 266250
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39#define KVM_S390_FLIC_MAX_BUFFER 0x2000000
40
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41struct kvm_s390_io_adapter {
42 __u32 id;
43 __u8 isc;
44 __u8 maskable;
45 __u8 swap;
08fab50d 46 __u8 flags;
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47};
48
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49#define KVM_S390_ADAPTER_SUPPRESSIBLE 0x01
50
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51struct kvm_s390_ais_req {
52 __u8 isc;
53 __u16 mode;
54};
55
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56#define KVM_S390_IO_ADAPTER_MASK 1
57#define KVM_S390_IO_ADAPTER_MAP 2
58#define KVM_S390_IO_ADAPTER_UNMAP 3
59
60struct kvm_s390_io_adapter_req {
61 __u32 id;
62 __u8 type;
63 __u8 mask;
64 __u16 pad0;
65 __u64 addr;
66};
67
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68/* kvm attr_group on vm fd */
69#define KVM_S390_VM_MEM_CTRL 0
72f25020 70#define KVM_S390_VM_TOD 1
a374e892 71#define KVM_S390_VM_CRYPTO 2
658b6eda 72#define KVM_S390_VM_CPU_MODEL 3
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73
74/* kvm attributes for mem_ctrl */
75#define KVM_S390_VM_MEM_ENABLE_CMMA 0
76#define KVM_S390_VM_MEM_CLR_CMMA 1
8c0a7ce6 77#define KVM_S390_VM_MEM_LIMIT_SIZE 2
4f718eab 78
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79#define KVM_S390_NO_MEM_LIMIT U64_MAX
80
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81/* kvm attributes for KVM_S390_VM_TOD */
82#define KVM_S390_VM_TOD_LOW 0
83#define KVM_S390_VM_TOD_HIGH 1
84
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85/* kvm attributes for KVM_S390_VM_CPU_MODEL */
86/* processor related attributes are r/w */
87#define KVM_S390_VM_CPU_PROCESSOR 0
88struct kvm_s390_vm_cpu_processor {
89 __u64 cpuid;
90 __u16 ibc;
91 __u8 pad[6];
92 __u64 fac_list[256];
93};
94
95/* machine related attributes are r/o */
96#define KVM_S390_VM_CPU_MACHINE 1
97struct kvm_s390_vm_cpu_machine {
98 __u64 cpuid;
99 __u32 ibc;
100 __u8 pad[4];
101 __u64 fac_mask[256];
102 __u64 fac_list[256];
103};
104
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105#define KVM_S390_VM_CPU_PROCESSOR_FEAT 2
106#define KVM_S390_VM_CPU_MACHINE_FEAT 3
107
108#define KVM_S390_VM_CPU_FEAT_NR_BITS 1024
22be5a13 109#define KVM_S390_VM_CPU_FEAT_ESOP 0
a3508fbe 110#define KVM_S390_VM_CPU_FEAT_SIEF2 1
19c439b5 111#define KVM_S390_VM_CPU_FEAT_64BSCAO 2
0615a326 112#define KVM_S390_VM_CPU_FEAT_SIIF 3
77d18f6d 113#define KVM_S390_VM_CPU_FEAT_GPERE 4
a1b7b9b2 114#define KVM_S390_VM_CPU_FEAT_GSLS 5
5630a8e8 115#define KVM_S390_VM_CPU_FEAT_IB 6
13ee3f67 116#define KVM_S390_VM_CPU_FEAT_CEI 7
7fd7f39d 117#define KVM_S390_VM_CPU_FEAT_IBS 8
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118#define KVM_S390_VM_CPU_FEAT_SKEY 9
119#define KVM_S390_VM_CPU_FEAT_CMMA 10
120#define KVM_S390_VM_CPU_FEAT_PFMFI 11
121#define KVM_S390_VM_CPU_FEAT_SIGPIF 12
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122struct kvm_s390_vm_cpu_feat {
123 __u64 feat[16];
124};
125
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126#define KVM_S390_VM_CPU_PROCESSOR_SUBFUNC 4
127#define KVM_S390_VM_CPU_MACHINE_SUBFUNC 5
128/* for "test bit" instructions MSB 0 bit ordering, for "query" raw blocks */
129struct kvm_s390_vm_cpu_subfunc {
130 __u8 plo[32]; /* always */
131 __u8 ptff[16]; /* with TOD-clock steering */
132 __u8 kmac[16]; /* with MSA */
133 __u8 kmc[16]; /* with MSA */
134 __u8 km[16]; /* with MSA */
135 __u8 kimd[16]; /* with MSA */
136 __u8 klmd[16]; /* with MSA */
137 __u8 pckmo[16]; /* with MSA3 */
138 __u8 kmctr[16]; /* with MSA4 */
139 __u8 kmf[16]; /* with MSA4 */
140 __u8 kmo[16]; /* with MSA4 */
141 __u8 pcc[16]; /* with MSA4 */
142 __u8 ppno[16]; /* with MSA5 */
143 __u8 reserved[1824];
144};
145
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146/* kvm attributes for crypto */
147#define KVM_S390_VM_CRYPTO_ENABLE_AES_KW 0
148#define KVM_S390_VM_CRYPTO_ENABLE_DEA_KW 1
149#define KVM_S390_VM_CRYPTO_DISABLE_AES_KW 2
150#define KVM_S390_VM_CRYPTO_DISABLE_DEA_KW 3
151
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152/* for KVM_GET_REGS and KVM_SET_REGS */
153struct kvm_regs {
154 /* general purpose regs for s390 */
155 __u64 gprs[16];
156};
157
158/* for KVM_GET_SREGS and KVM_SET_SREGS */
159struct kvm_sregs {
160 __u32 acrs[16];
161 __u64 crs[16];
162};
163
164/* for KVM_GET_FPU and KVM_SET_FPU */
165struct kvm_fpu {
166 __u32 fpc;
167 __u64 fprs[16];
168};
dd135ebb 169
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170#define KVM_GUESTDBG_USE_HW_BP 0x00010000
171
172#define KVM_HW_BP 1
173#define KVM_HW_WP_WRITE 2
174#define KVM_SINGLESTEP 4
175
d0bfb940 176struct kvm_debug_exit_arch {
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177 __u64 addr;
178 __u8 type;
179 __u8 pad[7]; /* Should be set to 0 */
180};
181
182struct kvm_hw_breakpoint {
183 __u64 addr;
184 __u64 phys_addr;
185 __u64 len;
186 __u8 type;
187 __u8 pad[7]; /* Should be set to 0 */
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188};
189
190/* for KVM_SET_GUEST_DEBUG */
191struct kvm_guest_debug_arch {
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192 __u32 nr_hw_bp;
193 __u32 pad; /* Should be set to 0 */
194 struct kvm_hw_breakpoint __user *hw_bp;
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195};
196
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197/* for KVM_SYNC_PFAULT and KVM_REG_S390_PFTOKEN */
198#define KVM_S390_PFAULT_TOKEN_INVALID 0xffffffffffffffffULL
199
60b413c9 200#define KVM_SYNC_PREFIX (1UL << 0)
5a32c1af 201#define KVM_SYNC_GPRS (1UL << 1)
59674c1a 202#define KVM_SYNC_ACRS (1UL << 2)
9eed0735 203#define KVM_SYNC_CRS (1UL << 3)
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204#define KVM_SYNC_ARCH0 (1UL << 4)
205#define KVM_SYNC_PFAULT (1UL << 5)
68c55750 206#define KVM_SYNC_VRS (1UL << 6)
c6e5f166 207#define KVM_SYNC_RICCB (1UL << 7)
6fd8e67d 208#define KVM_SYNC_FPRS (1UL << 8)
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209#define KVM_SYNC_GSCB (1UL << 9)
210/* length and alignment of the sdnx as a power of two */
211#define SDNXC 8
212#define SDNXL (1UL << SDNXC)
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213/* definition of registers in kvm_run */
214struct kvm_sync_regs {
60b413c9 215 __u64 prefix; /* prefix register */
5a32c1af 216 __u64 gprs[16]; /* general purpose registers */
59674c1a 217 __u32 acrs[16]; /* access registers */
9eed0735 218 __u64 crs[16]; /* control registers */
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219 __u64 todpr; /* tod programmable register [ARCH0] */
220 __u64 cputm; /* cpu timer [ARCH0] */
221 __u64 ckc; /* clock comparator [ARCH0] */
222 __u64 pp; /* program parameter [ARCH0] */
223 __u64 gbea; /* guest breaking-event address [ARCH0] */
224 __u64 pft; /* pfault token [PFAULT] */
225 __u64 pfs; /* pfault select [PFAULT] */
226 __u64 pfc; /* pfault compare [PFAULT] */
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227 union {
228 __u64 vrs[32][2]; /* vector registers (KVM_SYNC_VRS) */
229 __u64 fprs[16]; /* fp registers (KVM_SYNC_FPRS) */
230 };
68c55750 231 __u8 reserved[512]; /* for future vector expansion */
6fd8e67d 232 __u32 fpc; /* valid on KVM_SYNC_VRS or KVM_SYNC_FPRS */
4e0b1ab7 233 __u8 padding1[52]; /* riccb needs to be 64byte aligned */
c6e5f166 234 __u8 riccb[64]; /* runtime instrumentation controls block */
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235 __u8 padding2[192]; /* sdnx needs to be 256byte aligned */
236 union {
237 __u8 sdnx[SDNXL]; /* state description annex */
238 struct {
239 __u64 reserved1[2];
240 __u64 gscb[4];
241 };
242 };
b9e5dc8d 243};
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244
245#define KVM_REG_S390_TODPR (KVM_REG_S390 | KVM_REG_SIZE_U32 | 0x1)
246#define KVM_REG_S390_EPOCHDIFF (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x2)
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247#define KVM_REG_S390_CPU_TIMER (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x3)
248#define KVM_REG_S390_CLOCK_COMP (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x4)
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249#define KVM_REG_S390_PFTOKEN (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x5)
250#define KVM_REG_S390_PFCOMPARE (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x6)
251#define KVM_REG_S390_PFSELECT (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x7)
672550fb 252#define KVM_REG_S390_PP (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x8)
afa45ff5 253#define KVM_REG_S390_GBEA (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x9)
dd135ebb 254#endif