1 #ifndef __LINUX_KVM_S390_H
2 #define __LINUX_KVM_S390_H
4 * KVM s390 specific structures and definitions
6 * Copyright IBM Corp. 2008
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.
12 * Author(s): Carsten Otte <cotte@de.ibm.com>
13 * Christian Borntraeger <borntraeger@de.ibm.com>
15 #include <linux/types.h>
18 #define __KVM_HAVE_GUEST_DEBUG
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
24 #define KVM_DEV_FLIC_APF_ENABLE 4
25 #define KVM_DEV_FLIC_APF_DISABLE_WAIT 5
26 #define KVM_DEV_FLIC_ADAPTER_REGISTER 6
27 #define KVM_DEV_FLIC_ADAPTER_MODIFY 7
28 #define KVM_DEV_FLIC_CLEAR_IO_IRQ 8
29 #define KVM_DEV_FLIC_AISM 9
30 #define KVM_DEV_FLIC_AIRQ_INJECT 10
31 #define KVM_DEV_FLIC_AISM_ALL 11
33 * We can have up to 4*64k pending subchannels + 8 adapter interrupts,
34 * as well as up to ASYNC_PF_PER_VCPU*KVM_MAX_VCPUS pfault done interrupts.
35 * There are also sclp and machine checks. This gives us
36 * sizeof(kvm_s390_irq)*(4*65536+8+64*64+1+1) = 72 * 266250 = 19170000
37 * Lets round up to 8192 pages.
39 #define KVM_S390_MAX_FLOAT_IRQS 266250
40 #define KVM_S390_FLIC_MAX_BUFFER 0x2000000
42 struct kvm_s390_io_adapter
{
50 #define KVM_S390_ADAPTER_SUPPRESSIBLE 0x01
52 struct kvm_s390_ais_req
{
57 struct kvm_s390_ais_all
{
62 #define KVM_S390_IO_ADAPTER_MASK 1
63 #define KVM_S390_IO_ADAPTER_MAP 2
64 #define KVM_S390_IO_ADAPTER_UNMAP 3
66 struct kvm_s390_io_adapter_req
{
74 /* kvm attr_group on vm fd */
75 #define KVM_S390_VM_MEM_CTRL 0
76 #define KVM_S390_VM_TOD 1
77 #define KVM_S390_VM_CRYPTO 2
78 #define KVM_S390_VM_CPU_MODEL 3
79 #define KVM_S390_VM_MIGRATION 4
81 /* kvm attributes for mem_ctrl */
82 #define KVM_S390_VM_MEM_ENABLE_CMMA 0
83 #define KVM_S390_VM_MEM_CLR_CMMA 1
84 #define KVM_S390_VM_MEM_LIMIT_SIZE 2
86 #define KVM_S390_NO_MEM_LIMIT U64_MAX
88 /* kvm attributes for KVM_S390_VM_TOD */
89 #define KVM_S390_VM_TOD_LOW 0
90 #define KVM_S390_VM_TOD_HIGH 1
91 #define KVM_S390_VM_TOD_EXT 2
93 struct kvm_s390_vm_tod_clock
{
98 /* kvm attributes for KVM_S390_VM_CPU_MODEL */
99 /* processor related attributes are r/w */
100 #define KVM_S390_VM_CPU_PROCESSOR 0
101 struct kvm_s390_vm_cpu_processor
{
108 /* machine related attributes are r/o */
109 #define KVM_S390_VM_CPU_MACHINE 1
110 struct kvm_s390_vm_cpu_machine
{
118 #define KVM_S390_VM_CPU_PROCESSOR_FEAT 2
119 #define KVM_S390_VM_CPU_MACHINE_FEAT 3
121 #define KVM_S390_VM_CPU_FEAT_NR_BITS 1024
122 #define KVM_S390_VM_CPU_FEAT_ESOP 0
123 #define KVM_S390_VM_CPU_FEAT_SIEF2 1
124 #define KVM_S390_VM_CPU_FEAT_64BSCAO 2
125 #define KVM_S390_VM_CPU_FEAT_SIIF 3
126 #define KVM_S390_VM_CPU_FEAT_GPERE 4
127 #define KVM_S390_VM_CPU_FEAT_GSLS 5
128 #define KVM_S390_VM_CPU_FEAT_IB 6
129 #define KVM_S390_VM_CPU_FEAT_CEI 7
130 #define KVM_S390_VM_CPU_FEAT_IBS 8
131 #define KVM_S390_VM_CPU_FEAT_SKEY 9
132 #define KVM_S390_VM_CPU_FEAT_CMMA 10
133 #define KVM_S390_VM_CPU_FEAT_PFMFI 11
134 #define KVM_S390_VM_CPU_FEAT_SIGPIF 12
135 #define KVM_S390_VM_CPU_FEAT_KSS 13
136 struct kvm_s390_vm_cpu_feat
{
140 #define KVM_S390_VM_CPU_PROCESSOR_SUBFUNC 4
141 #define KVM_S390_VM_CPU_MACHINE_SUBFUNC 5
142 /* for "test bit" instructions MSB 0 bit ordering, for "query" raw blocks */
143 struct kvm_s390_vm_cpu_subfunc
{
144 __u8 plo
[32]; /* always */
145 __u8 ptff
[16]; /* with TOD-clock steering */
146 __u8 kmac
[16]; /* with MSA */
147 __u8 kmc
[16]; /* with MSA */
148 __u8 km
[16]; /* with MSA */
149 __u8 kimd
[16]; /* with MSA */
150 __u8 klmd
[16]; /* with MSA */
151 __u8 pckmo
[16]; /* with MSA3 */
152 __u8 kmctr
[16]; /* with MSA4 */
153 __u8 kmf
[16]; /* with MSA4 */
154 __u8 kmo
[16]; /* with MSA4 */
155 __u8 pcc
[16]; /* with MSA4 */
156 __u8 ppno
[16]; /* with MSA5 */
157 __u8 kma
[16]; /* with MSA8 */
161 /* kvm attributes for crypto */
162 #define KVM_S390_VM_CRYPTO_ENABLE_AES_KW 0
163 #define KVM_S390_VM_CRYPTO_ENABLE_DEA_KW 1
164 #define KVM_S390_VM_CRYPTO_DISABLE_AES_KW 2
165 #define KVM_S390_VM_CRYPTO_DISABLE_DEA_KW 3
167 /* kvm attributes for migration mode */
168 #define KVM_S390_VM_MIGRATION_STOP 0
169 #define KVM_S390_VM_MIGRATION_START 1
170 #define KVM_S390_VM_MIGRATION_STATUS 2
172 /* for KVM_GET_REGS and KVM_SET_REGS */
174 /* general purpose regs for s390 */
178 /* for KVM_GET_SREGS and KVM_SET_SREGS */
184 /* for KVM_GET_FPU and KVM_SET_FPU */
190 #define KVM_GUESTDBG_USE_HW_BP 0x00010000
193 #define KVM_HW_WP_WRITE 2
194 #define KVM_SINGLESTEP 4
196 struct kvm_debug_exit_arch
{
199 __u8 pad
[7]; /* Should be set to 0 */
202 struct kvm_hw_breakpoint
{
207 __u8 pad
[7]; /* Should be set to 0 */
210 /* for KVM_SET_GUEST_DEBUG */
211 struct kvm_guest_debug_arch
{
213 __u32 pad
; /* Should be set to 0 */
214 struct kvm_hw_breakpoint
*hw_bp
;
217 /* for KVM_SYNC_PFAULT and KVM_REG_S390_PFTOKEN */
218 #define KVM_S390_PFAULT_TOKEN_INVALID 0xffffffffffffffffULL
220 #define KVM_SYNC_PREFIX (1UL << 0)
221 #define KVM_SYNC_GPRS (1UL << 1)
222 #define KVM_SYNC_ACRS (1UL << 2)
223 #define KVM_SYNC_CRS (1UL << 3)
224 #define KVM_SYNC_ARCH0 (1UL << 4)
225 #define KVM_SYNC_PFAULT (1UL << 5)
226 #define KVM_SYNC_VRS (1UL << 6)
227 #define KVM_SYNC_RICCB (1UL << 7)
228 #define KVM_SYNC_FPRS (1UL << 8)
229 #define KVM_SYNC_GSCB (1UL << 9)
230 /* length and alignment of the sdnx as a power of two */
232 #define SDNXL (1UL << SDNXC)
233 /* definition of registers in kvm_run */
234 struct kvm_sync_regs
{
235 __u64 prefix
; /* prefix register */
236 __u64 gprs
[16]; /* general purpose registers */
237 __u32 acrs
[16]; /* access registers */
238 __u64 crs
[16]; /* control registers */
239 __u64 todpr
; /* tod programmable register [ARCH0] */
240 __u64 cputm
; /* cpu timer [ARCH0] */
241 __u64 ckc
; /* clock comparator [ARCH0] */
242 __u64 pp
; /* program parameter [ARCH0] */
243 __u64 gbea
; /* guest breaking-event address [ARCH0] */
244 __u64 pft
; /* pfault token [PFAULT] */
245 __u64 pfs
; /* pfault select [PFAULT] */
246 __u64 pfc
; /* pfault compare [PFAULT] */
248 __u64 vrs
[32][2]; /* vector registers (KVM_SYNC_VRS) */
249 __u64 fprs
[16]; /* fp registers (KVM_SYNC_FPRS) */
251 __u8 reserved
[512]; /* for future vector expansion */
252 __u32 fpc
; /* valid on KVM_SYNC_VRS or KVM_SYNC_FPRS */
253 __u8 padding1
[52]; /* riccb needs to be 64byte aligned */
254 __u8 riccb
[64]; /* runtime instrumentation controls block */
255 __u8 padding2
[192]; /* sdnx needs to be 256byte aligned */
257 __u8 sdnx
[SDNXL
]; /* state description annex */
265 #define KVM_REG_S390_TODPR (KVM_REG_S390 | KVM_REG_SIZE_U32 | 0x1)
266 #define KVM_REG_S390_EPOCHDIFF (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x2)
267 #define KVM_REG_S390_CPU_TIMER (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x3)
268 #define KVM_REG_S390_CLOCK_COMP (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x4)
269 #define KVM_REG_S390_PFTOKEN (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x5)
270 #define KVM_REG_S390_PFCOMPARE (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x6)
271 #define KVM_REG_S390_PFSELECT (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x7)
272 #define KVM_REG_S390_PP (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x8)
273 #define KVM_REG_S390_GBEA (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x9)