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/* 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 */ 38#define KVM_S390_MAX_FLOAT_IRQS 266250 39#define KVM_S390_FLIC_MAX_BUFFER 0x2000000 40 41struct kvm_s390_io_adapter { 42 __u32 id; 43 __u8 isc; 44 __u8 maskable; 45 __u8 swap; 46 __u8 flags; 47}; 48 49#define KVM_S390_ADAPTER_SUPPRESSIBLE 0x01 50 51struct kvm_s390_ais_req { 52 __u8 isc; 53 __u16 mode; 54}; 55 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 68/* kvm attr_group on vm fd */ 69#define KVM_S390_VM_MEM_CTRL 0 70#define KVM_S390_VM_TOD 1 71#define KVM_S390_VM_CRYPTO 2 72#define KVM_S390_VM_CPU_MODEL 3 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 77#define KVM_S390_VM_MEM_LIMIT_SIZE 2 78 79#define KVM_S390_NO_MEM_LIMIT U64_MAX 80 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 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}; 104 105#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 109#define KVM_S390_VM_CPU_FEAT_ESOP 0 110#define KVM_S390_VM_CPU_FEAT_SIEF2 1 111#define KVM_S390_VM_CPU_FEAT_64BSCAO 2 112#define KVM_S390_VM_CPU_FEAT_SIIF 3 113#define KVM_S390_VM_CPU_FEAT_GPERE 4 114#define KVM_S390_VM_CPU_FEAT_GSLS 5 115#define KVM_S390_VM_CPU_FEAT_IB 6 116#define KVM_S390_VM_CPU_FEAT_CEI 7 117#define KVM_S390_VM_CPU_FEAT_IBS 8 118#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 12 122#define KVM_S390_VM_CPU_FEAT_KSS 13 123struct kvm_s390_vm_cpu_feat { 124 __u64 feat[16]; 125}; 126 127#define KVM_S390_VM_CPU_PROCESSOR_SUBFUNC 4 128#define KVM_S390_VM_CPU_MACHINE_SUBFUNC 5 129/* for "test bit" instructions MSB 0 bit ordering, for "query" raw blocks */ 130struct kvm_s390_vm_cpu_subfunc { 131 __u8 plo[32]; /* always */ 132 __u8 ptff[16]; /* with TOD-clock steering */ 133 __u8 kmac[16]; /* with MSA */ 134 __u8 kmc[16]; /* with MSA */ 135 __u8 km[16]; /* with MSA */ 136 __u8 kimd[16]; /* with MSA */ 137 __u8 klmd[16]; /* with MSA */ 138 __u8 pckmo[16]; /* with MSA3 */ 139 __u8 kmctr[16]; /* with MSA4 */ 140 __u8 kmf[16]; /* with MSA4 */ 141 __u8 kmo[16]; /* with MSA4 */ 142 __u8 pcc[16]; /* with MSA4 */ 143 __u8 ppno[16]; /* with MSA5 */ 144 __u8 kma[16]; /* with MSA8 */ 145 __u8 reserved[1808]; 146}; 147 148/* kvm attributes for crypto */ 149#define KVM_S390_VM_CRYPTO_ENABLE_AES_KW 0 150#define KVM_S390_VM_CRYPTO_ENABLE_DEA_KW 1 151#define KVM_S390_VM_CRYPTO_DISABLE_AES_KW 2 152#define KVM_S390_VM_CRYPTO_DISABLE_DEA_KW 3 153 154/* for KVM_GET_REGS and KVM_SET_REGS */ 155struct kvm_regs { 156 /* general purpose regs for s390 */ 157 __u64 gprs[16]; 158}; 159 160/* for KVM_GET_SREGS and KVM_SET_SREGS */ 161struct kvm_sregs { 162 __u32 acrs[16]; 163 __u64 crs[16]; 164}; 165 166/* for KVM_GET_FPU and KVM_SET_FPU */ 167struct kvm_fpu { 168 __u32 fpc; 169 __u64 fprs[16]; 170}; 171 172#define KVM_GUESTDBG_USE_HW_BP 0x00010000 173 174#define KVM_HW_BP 1 175#define KVM_HW_WP_WRITE 2 176#define KVM_SINGLESTEP 4 177 178struct kvm_debug_exit_arch { 179 __u64 addr; 180 __u8 type; 181 __u8 pad[7]; /* Should be set to 0 */ 182}; 183 184struct kvm_hw_breakpoint { 185 __u64 addr; 186 __u64 phys_addr; 187 __u64 len; 188 __u8 type; 189 __u8 pad[7]; /* Should be set to 0 */ 190}; 191 192/* for KVM_SET_GUEST_DEBUG */ 193struct kvm_guest_debug_arch { 194 __u32 nr_hw_bp; 195 __u32 pad; /* Should be set to 0 */ 196 struct kvm_hw_breakpoint __user *hw_bp; 197}; 198 199/* for KVM_SYNC_PFAULT and KVM_REG_S390_PFTOKEN */ 200#define KVM_S390_PFAULT_TOKEN_INVALID 0xffffffffffffffffULL 201 202#define KVM_SYNC_PREFIX (1UL << 0) 203#define KVM_SYNC_GPRS (1UL << 1) 204#define KVM_SYNC_ACRS (1UL << 2) 205#define KVM_SYNC_CRS (1UL << 3) 206#define KVM_SYNC_ARCH0 (1UL << 4) 207#define KVM_SYNC_PFAULT (1UL << 5) 208#define KVM_SYNC_VRS (1UL << 6) 209#define KVM_SYNC_RICCB (1UL << 7) 210#define KVM_SYNC_FPRS (1UL << 8) 211#define KVM_SYNC_GSCB (1UL << 9) 212/* length and alignment of the sdnx as a power of two */ 213#define SDNXC 8 214#define SDNXL (1UL << SDNXC) 215/* definition of registers in kvm_run */ 216struct kvm_sync_regs { 217 __u64 prefix; /* prefix register */ 218 __u64 gprs[16]; /* general purpose registers */ 219 __u32 acrs[16]; /* access registers */ 220 __u64 crs[16]; /* control registers */ 221 __u64 todpr; /* tod programmable register [ARCH0] */ 222 __u64 cputm; /* cpu timer [ARCH0] */ 223 __u64 ckc; /* clock comparator [ARCH0] */ 224 __u64 pp; /* program parameter [ARCH0] */ 225 __u64 gbea; /* guest breaking-event address [ARCH0] */ 226 __u64 pft; /* pfault token [PFAULT] */ 227 __u64 pfs; /* pfault select [PFAULT] */ 228 __u64 pfc; /* pfault compare [PFAULT] */ 229 union { 230 __u64 vrs[32][2]; /* vector registers (KVM_SYNC_VRS) */ 231 __u64 fprs[16]; /* fp registers (KVM_SYNC_FPRS) */ 232 }; 233 __u8 reserved[512]; /* for future vector expansion */ 234 __u32 fpc; /* valid on KVM_SYNC_VRS or KVM_SYNC_FPRS */ 235 __u8 padding1[52]; /* riccb needs to be 64byte aligned */ 236 __u8 riccb[64]; /* runtime instrumentation controls block */ 237 __u8 padding2[192]; /* sdnx needs to be 256byte aligned */ 238 union { 239 __u8 sdnx[SDNXL]; /* state description annex */ 240 struct { 241 __u64 reserved1[2]; 242 __u64 gscb[4]; 243 }; 244 }; 245}; 246 247#define KVM_REG_S390_TODPR (KVM_REG_S390 | KVM_REG_SIZE_U32 | 0x1) 248#define KVM_REG_S390_EPOCHDIFF (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x2) 249#define KVM_REG_S390_CPU_TIMER (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x3) 250#define KVM_REG_S390_CLOCK_COMP (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x4) 251#define KVM_REG_S390_PFTOKEN (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x5) 252#define KVM_REG_S390_PFCOMPARE (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x6) 253#define KVM_REG_S390_PFSELECT (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x7) 254#define KVM_REG_S390_PP (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x8) 255#define KVM_REG_S390_GBEA (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x9) 256#endif 257