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 42struct 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 52struct kvm_s390_ais_req { 53 __u8 isc; 54 __u16 mode; 55}; 56 57struct 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 66struct 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#define KVM_S390_VM_TOD_EXT 2 92 93struct kvm_s390_vm_tod_clock { 94 __u8 epoch_idx; 95 __u64 tod; 96}; 97 98/* kvm attributes for KVM_S390_VM_CPU_MODEL */ 99/* processor related attributes are r/w */ 100#define KVM_S390_VM_CPU_PROCESSOR 0 101struct kvm_s390_vm_cpu_processor { 102 __u64 cpuid; 103 __u16 ibc; 104 __u8 pad[6]; 105 __u64 fac_list[256]; 106}; 107 108/* machine related attributes are r/o */ 109#define KVM_S390_VM_CPU_MACHINE 1 110struct kvm_s390_vm_cpu_machine { 111 __u64 cpuid; 112 __u32 ibc; 113 __u8 pad[4]; 114 __u64 fac_mask[256]; 115 __u64 fac_list[256]; 116}; 117 118#define KVM_S390_VM_CPU_PROCESSOR_FEAT 2 119#define KVM_S390_VM_CPU_MACHINE_FEAT 3 120 121#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 136struct kvm_s390_vm_cpu_feat { 137 __u64 feat[16]; 138}; 139 140#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 */ 143struct 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 */ 158 __u8 reserved[1808]; 159}; 160 161/* 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 3 166 167/* 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 2 171 172/* for KVM_GET_REGS and KVM_SET_REGS */ 173struct kvm_regs { 174 /* general purpose regs for s390 */ 175 __u64 gprs[16]; 176}; 177 178/* for KVM_GET_SREGS and KVM_SET_SREGS */ 179struct kvm_sregs { 180 __u32 acrs[16]; 181 __u64 crs[16]; 182}; 183 184/* for KVM_GET_FPU and KVM_SET_FPU */ 185struct kvm_fpu { 186 __u32 fpc; 187 __u64 fprs[16]; 188}; 189 190#define KVM_GUESTDBG_USE_HW_BP 0x00010000 191 192#define KVM_HW_BP 1 193#define KVM_HW_WP_WRITE 2 194#define KVM_SINGLESTEP 4 195 196struct kvm_debug_exit_arch { 197 __u64 addr; 198 __u8 type; 199 __u8 pad[7]; /* Should be set to 0 */ 200}; 201 202struct kvm_hw_breakpoint { 203 __u64 addr; 204 __u64 phys_addr; 205 __u64 len; 206 __u8 type; 207 __u8 pad[7]; /* Should be set to 0 */ 208}; 209 210/* for KVM_SET_GUEST_DEBUG */ 211struct kvm_guest_debug_arch { 212 __u32 nr_hw_bp; 213 __u32 pad; /* Should be set to 0 */ 214 struct kvm_hw_breakpoint *hw_bp; 215}; 216 217/* for KVM_SYNC_PFAULT and KVM_REG_S390_PFTOKEN */ 218#define KVM_S390_PFAULT_TOKEN_INVALID 0xffffffffffffffffULL 219 220#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 */ 231#define SDNXC 8 232#define SDNXL (1UL << SDNXC) 233/* definition of registers in kvm_run */ 234struct 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] */ 247 union { 248 __u64 vrs[32][2]; /* vector registers (KVM_SYNC_VRS) */ 249 __u64 fprs[16]; /* fp registers (KVM_SYNC_FPRS) */ 250 }; 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 */ 256 union { 257 __u8 sdnx[SDNXL]; /* state description annex */ 258 struct { 259 __u64 reserved1[2]; 260 __u64 gscb[4]; 261 }; 262 }; 263}; 264 265#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) 274#endif 275