1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 #ifndef __LINUX_KVM_S390_H 3 #define __LINUX_KVM_S390_H 4 /* 5 * KVM s390 specific structures and definitions 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 */ 16 #include <linux/types.h> 17 18 #define __KVM_S390 19 #define __KVM_HAVE_GUEST_DEBUG 20 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 25 #define KVM_DEV_FLIC_APF_ENABLE 4 26 #define KVM_DEV_FLIC_APF_DISABLE_WAIT 5 27 #define KVM_DEV_FLIC_ADAPTER_REGISTER 6 28 #define KVM_DEV_FLIC_ADAPTER_MODIFY 7 29 #define KVM_DEV_FLIC_CLEAR_IO_IRQ 8 30 #define KVM_DEV_FLIC_AISM 9 31 #define KVM_DEV_FLIC_AIRQ_INJECT 10 32 #define KVM_DEV_FLIC_AISM_ALL 11 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 */ 40 #define KVM_S390_MAX_FLOAT_IRQS 266250 41 #define KVM_S390_FLIC_MAX_BUFFER 0x2000000 42 43 struct kvm_s390_io_adapter { 44 __u32 id; 45 __u8 isc; 46 __u8 maskable; 47 __u8 swap; 48 __u8 flags; 49 }; 50 51 #define KVM_S390_ADAPTER_SUPPRESSIBLE 0x01 52 53 struct kvm_s390_ais_req { 54 __u8 isc; 55 __u16 mode; 56 }; 57 58 struct kvm_s390_ais_all { 59 __u8 simm; 60 __u8 nimm; 61 }; 62 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 67 struct kvm_s390_io_adapter_req { 68 __u32 id; 69 __u8 type; 70 __u8 mask; 71 __u16 pad0; 72 __u64 addr; 73 }; 74 75 /* kvm attr_group on vm fd */ 76 #define KVM_S390_VM_MEM_CTRL 0 77 #define KVM_S390_VM_TOD 1 78 #define KVM_S390_VM_CRYPTO 2 79 #define KVM_S390_VM_CPU_MODEL 3 80 #define KVM_S390_VM_MIGRATION 4 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 85 #define KVM_S390_VM_MEM_LIMIT_SIZE 2 86 87 #define KVM_S390_NO_MEM_LIMIT U64_MAX 88 89 /* kvm attributes for KVM_S390_VM_TOD */ 90 #define KVM_S390_VM_TOD_LOW 0 91 #define KVM_S390_VM_TOD_HIGH 1 92 #define KVM_S390_VM_TOD_EXT 2 93 94 struct kvm_s390_vm_tod_clock { 95 __u8 epoch_idx; 96 __u64 tod; 97 }; 98 99 /* kvm attributes for KVM_S390_VM_CPU_MODEL */ 100 /* processor related attributes are r/w */ 101 #define KVM_S390_VM_CPU_PROCESSOR 0 102 struct 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 1 111 struct 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 }; 118 119 #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 123 #define KVM_S390_VM_CPU_FEAT_ESOP 0 124 #define KVM_S390_VM_CPU_FEAT_SIEF2 1 125 #define KVM_S390_VM_CPU_FEAT_64BSCAO 2 126 #define KVM_S390_VM_CPU_FEAT_SIIF 3 127 #define KVM_S390_VM_CPU_FEAT_GPERE 4 128 #define KVM_S390_VM_CPU_FEAT_GSLS 5 129 #define KVM_S390_VM_CPU_FEAT_IB 6 130 #define KVM_S390_VM_CPU_FEAT_CEI 7 131 #define KVM_S390_VM_CPU_FEAT_IBS 8 132 #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 12 136 #define KVM_S390_VM_CPU_FEAT_KSS 13 137 struct kvm_s390_vm_cpu_feat { 138 __u64 feat[16]; 139 }; 140 141 #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 */ 144 struct 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 */ 158 __u8 kma[16]; /* with MSA8 */ 159 __u8 reserved[1808]; 160 }; 161 162 /* 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 3 167 168 /* 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 2 172 173 /* for KVM_GET_REGS and KVM_SET_REGS */ 174 struct kvm_regs { 175 /* general purpose regs for s390 */ 176 __u64 gprs[16]; 177 }; 178 179 /* for KVM_GET_SREGS and KVM_SET_SREGS */ 180 struct kvm_sregs { 181 __u32 acrs[16]; 182 __u64 crs[16]; 183 }; 184 185 /* for KVM_GET_FPU and KVM_SET_FPU */ 186 struct kvm_fpu { 187 __u32 fpc; 188 __u64 fprs[16]; 189 }; 190 191 #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 4 196 197 struct kvm_debug_exit_arch { 198 __u64 addr; 199 __u8 type; 200 __u8 pad[7]; /* Should be set to 0 */ 201 }; 202 203 struct 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 */ 209 }; 210 211 /* for KVM_SET_GUEST_DEBUG */ 212 struct kvm_guest_debug_arch { 213 __u32 nr_hw_bp; 214 __u32 pad; /* Should be set to 0 */ 215 struct kvm_hw_breakpoint __user *hw_bp; 216 }; 217 218 /* for KVM_SYNC_PFAULT and KVM_REG_S390_PFTOKEN */ 219 #define KVM_S390_PFAULT_TOKEN_INVALID 0xffffffffffffffffULL 220 221 #define KVM_SYNC_PREFIX (1UL << 0) 222 #define KVM_SYNC_GPRS (1UL << 1) 223 #define KVM_SYNC_ACRS (1UL << 2) 224 #define KVM_SYNC_CRS (1UL << 3) 225 #define KVM_SYNC_ARCH0 (1UL << 4) 226 #define KVM_SYNC_PFAULT (1UL << 5) 227 #define KVM_SYNC_VRS (1UL << 6) 228 #define KVM_SYNC_RICCB (1UL << 7) 229 #define KVM_SYNC_FPRS (1UL << 8) 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) 234 /* definition of registers in kvm_run */ 235 struct kvm_sync_regs { 236 __u64 prefix; /* prefix register */ 237 __u64 gprs[16]; /* general purpose registers */ 238 __u32 acrs[16]; /* access registers */ 239 __u64 crs[16]; /* control registers */ 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] */ 248 union { 249 __u64 vrs[32][2]; /* vector registers (KVM_SYNC_VRS) */ 250 __u64 fprs[16]; /* fp registers (KVM_SYNC_FPRS) */ 251 }; 252 __u8 reserved[512]; /* for future vector expansion */ 253 __u32 fpc; /* valid on KVM_SYNC_VRS or KVM_SYNC_FPRS */ 254 __u8 padding1[52]; /* riccb needs to be 64byte aligned */ 255 __u8 riccb[64]; /* runtime instrumentation controls block */ 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 }; 264 }; 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) 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) 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) 273 #define KVM_REG_S390_PP (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x8) 274 #define KVM_REG_S390_GBEA (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x9) 275 #endif 276