1 #ifndef __LINUX_KVM_S390_H 2 #define __LINUX_KVM_S390_H 3 /* 4 * KVM s390 specific structures and definitions 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 */ 15 #include <linux/types.h> 16 17 #define __KVM_S390 18 #define __KVM_HAVE_GUEST_DEBUG 19 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 32 /* 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. 38 */ 39 #define KVM_S390_MAX_FLOAT_IRQS 266250 40 #define KVM_S390_FLIC_MAX_BUFFER 0x2000000 41 42 struct kvm_s390_io_adapter { 43 __u32 id; 44 __u8 isc; 45 __u8 maskable; 46 __u8 swap; 47 __u8 flags; 48 }; 49 50 #define KVM_S390_ADAPTER_SUPPRESSIBLE 0x01 51 52 struct kvm_s390_ais_req { 53 __u8 isc; 54 __u16 mode; 55 }; 56 57 struct kvm_s390_ais_all { 58 __u8 simm; 59 __u8 nimm; 60 }; 61 62 #define KVM_S390_IO_ADAPTER_MASK 1 63 #define KVM_S390_IO_ADAPTER_MAP 2 64 #define KVM_S390_IO_ADAPTER_UNMAP 3 65 66 struct kvm_s390_io_adapter_req { 67 __u32 id; 68 __u8 type; 69 __u8 mask; 70 __u16 pad0; 71 __u64 addr; 72 }; 73 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 80 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 85 86 #define KVM_S390_NO_MEM_LIMIT U64_MAX 87 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 92 /* kvm attributes for KVM_S390_VM_CPU_MODEL */ 93 /* processor related attributes are r/w */ 94 #define KVM_S390_VM_CPU_PROCESSOR 0 95 struct kvm_s390_vm_cpu_processor { 96 __u64 cpuid; 97 __u16 ibc; 98 __u8 pad[6]; 99 __u64 fac_list[256]; 100 }; 101 102 /* machine related attributes are r/o */ 103 #define KVM_S390_VM_CPU_MACHINE 1 104 struct kvm_s390_vm_cpu_machine { 105 __u64 cpuid; 106 __u32 ibc; 107 __u8 pad[4]; 108 __u64 fac_mask[256]; 109 __u64 fac_list[256]; 110 }; 111 112 #define KVM_S390_VM_CPU_PROCESSOR_FEAT 2 113 #define KVM_S390_VM_CPU_MACHINE_FEAT 3 114 115 #define KVM_S390_VM_CPU_FEAT_NR_BITS 1024 116 #define KVM_S390_VM_CPU_FEAT_ESOP 0 117 #define KVM_S390_VM_CPU_FEAT_SIEF2 1 118 #define KVM_S390_VM_CPU_FEAT_64BSCAO 2 119 #define KVM_S390_VM_CPU_FEAT_SIIF 3 120 #define KVM_S390_VM_CPU_FEAT_GPERE 4 121 #define KVM_S390_VM_CPU_FEAT_GSLS 5 122 #define KVM_S390_VM_CPU_FEAT_IB 6 123 #define KVM_S390_VM_CPU_FEAT_CEI 7 124 #define KVM_S390_VM_CPU_FEAT_IBS 8 125 #define KVM_S390_VM_CPU_FEAT_SKEY 9 126 #define KVM_S390_VM_CPU_FEAT_CMMA 10 127 #define KVM_S390_VM_CPU_FEAT_PFMFI 11 128 #define KVM_S390_VM_CPU_FEAT_SIGPIF 12 129 #define KVM_S390_VM_CPU_FEAT_KSS 13 130 struct kvm_s390_vm_cpu_feat { 131 __u64 feat[16]; 132 }; 133 134 #define KVM_S390_VM_CPU_PROCESSOR_SUBFUNC 4 135 #define KVM_S390_VM_CPU_MACHINE_SUBFUNC 5 136 /* for "test bit" instructions MSB 0 bit ordering, for "query" raw blocks */ 137 struct kvm_s390_vm_cpu_subfunc { 138 __u8 plo[32]; /* always */ 139 __u8 ptff[16]; /* with TOD-clock steering */ 140 __u8 kmac[16]; /* with MSA */ 141 __u8 kmc[16]; /* with MSA */ 142 __u8 km[16]; /* with MSA */ 143 __u8 kimd[16]; /* with MSA */ 144 __u8 klmd[16]; /* with MSA */ 145 __u8 pckmo[16]; /* with MSA3 */ 146 __u8 kmctr[16]; /* with MSA4 */ 147 __u8 kmf[16]; /* with MSA4 */ 148 __u8 kmo[16]; /* with MSA4 */ 149 __u8 pcc[16]; /* with MSA4 */ 150 __u8 ppno[16]; /* with MSA5 */ 151 __u8 kma[16]; /* with MSA8 */ 152 __u8 reserved[1808]; 153 }; 154 155 /* kvm attributes for crypto */ 156 #define KVM_S390_VM_CRYPTO_ENABLE_AES_KW 0 157 #define KVM_S390_VM_CRYPTO_ENABLE_DEA_KW 1 158 #define KVM_S390_VM_CRYPTO_DISABLE_AES_KW 2 159 #define KVM_S390_VM_CRYPTO_DISABLE_DEA_KW 3 160 161 /* kvm attributes for migration mode */ 162 #define KVM_S390_VM_MIGRATION_STOP 0 163 #define KVM_S390_VM_MIGRATION_START 1 164 #define KVM_S390_VM_MIGRATION_STATUS 2 165 166 /* for KVM_GET_REGS and KVM_SET_REGS */ 167 struct kvm_regs { 168 /* general purpose regs for s390 */ 169 __u64 gprs[16]; 170 }; 171 172 /* for KVM_GET_SREGS and KVM_SET_SREGS */ 173 struct kvm_sregs { 174 __u32 acrs[16]; 175 __u64 crs[16]; 176 }; 177 178 /* for KVM_GET_FPU and KVM_SET_FPU */ 179 struct kvm_fpu { 180 __u32 fpc; 181 __u64 fprs[16]; 182 }; 183 184 #define KVM_GUESTDBG_USE_HW_BP 0x00010000 185 186 #define KVM_HW_BP 1 187 #define KVM_HW_WP_WRITE 2 188 #define KVM_SINGLESTEP 4 189 190 struct kvm_debug_exit_arch { 191 __u64 addr; 192 __u8 type; 193 __u8 pad[7]; /* Should be set to 0 */ 194 }; 195 196 struct kvm_hw_breakpoint { 197 __u64 addr; 198 __u64 phys_addr; 199 __u64 len; 200 __u8 type; 201 __u8 pad[7]; /* Should be set to 0 */ 202 }; 203 204 /* for KVM_SET_GUEST_DEBUG */ 205 struct kvm_guest_debug_arch { 206 __u32 nr_hw_bp; 207 __u32 pad; /* Should be set to 0 */ 208 struct kvm_hw_breakpoint *hw_bp; 209 }; 210 211 /* for KVM_SYNC_PFAULT and KVM_REG_S390_PFTOKEN */ 212 #define KVM_S390_PFAULT_TOKEN_INVALID 0xffffffffffffffffULL 213 214 #define KVM_SYNC_PREFIX (1UL << 0) 215 #define KVM_SYNC_GPRS (1UL << 1) 216 #define KVM_SYNC_ACRS (1UL << 2) 217 #define KVM_SYNC_CRS (1UL << 3) 218 #define KVM_SYNC_ARCH0 (1UL << 4) 219 #define KVM_SYNC_PFAULT (1UL << 5) 220 #define KVM_SYNC_VRS (1UL << 6) 221 #define KVM_SYNC_RICCB (1UL << 7) 222 #define KVM_SYNC_FPRS (1UL << 8) 223 #define KVM_SYNC_GSCB (1UL << 9) 224 /* length and alignment of the sdnx as a power of two */ 225 #define SDNXC 8 226 #define SDNXL (1UL << SDNXC) 227 /* definition of registers in kvm_run */ 228 struct kvm_sync_regs { 229 __u64 prefix; /* prefix register */ 230 __u64 gprs[16]; /* general purpose registers */ 231 __u32 acrs[16]; /* access registers */ 232 __u64 crs[16]; /* control registers */ 233 __u64 todpr; /* tod programmable register [ARCH0] */ 234 __u64 cputm; /* cpu timer [ARCH0] */ 235 __u64 ckc; /* clock comparator [ARCH0] */ 236 __u64 pp; /* program parameter [ARCH0] */ 237 __u64 gbea; /* guest breaking-event address [ARCH0] */ 238 __u64 pft; /* pfault token [PFAULT] */ 239 __u64 pfs; /* pfault select [PFAULT] */ 240 __u64 pfc; /* pfault compare [PFAULT] */ 241 union { 242 __u64 vrs[32][2]; /* vector registers (KVM_SYNC_VRS) */ 243 __u64 fprs[16]; /* fp registers (KVM_SYNC_FPRS) */ 244 }; 245 __u8 reserved[512]; /* for future vector expansion */ 246 __u32 fpc; /* valid on KVM_SYNC_VRS or KVM_SYNC_FPRS */ 247 __u8 padding1[52]; /* riccb needs to be 64byte aligned */ 248 __u8 riccb[64]; /* runtime instrumentation controls block */ 249 __u8 padding2[192]; /* sdnx needs to be 256byte aligned */ 250 union { 251 __u8 sdnx[SDNXL]; /* state description annex */ 252 struct { 253 __u64 reserved1[2]; 254 __u64 gscb[4]; 255 }; 256 }; 257 }; 258 259 #define KVM_REG_S390_TODPR (KVM_REG_S390 | KVM_REG_SIZE_U32 | 0x1) 260 #define KVM_REG_S390_EPOCHDIFF (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x2) 261 #define KVM_REG_S390_CPU_TIMER (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x3) 262 #define KVM_REG_S390_CLOCK_COMP (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x4) 263 #define KVM_REG_S390_PFTOKEN (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x5) 264 #define KVM_REG_S390_PFCOMPARE (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x6) 265 #define KVM_REG_S390_PFSELECT (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x7) 266 #define KVM_REG_S390_PP (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x8) 267 #define KVM_REG_S390_GBEA (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x9) 268 #endif 269