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/* 30 * We can have up to 4*64k pending subchannels + 8 adapter interrupts, 31 * as well as up to ASYNC_PF_PER_VCPU*KVM_MAX_VCPUS pfault done interrupts. 32 * There are also sclp and machine checks. This gives us 33 * sizeof(kvm_s390_irq)*(4*65536+8+64*64+1+1) = 72 * 266250 = 19170000 34 * Lets round up to 8192 pages. 35 */ 36#define KVM_S390_MAX_FLOAT_IRQS 266250 37#define KVM_S390_FLIC_MAX_BUFFER 0x2000000 38 39struct kvm_s390_io_adapter { 40 __u32 id; 41 __u8 isc; 42 __u8 maskable; 43 __u8 swap; 44 __u8 pad; 45}; 46 47#define KVM_S390_IO_ADAPTER_MASK 1 48#define KVM_S390_IO_ADAPTER_MAP 2 49#define KVM_S390_IO_ADAPTER_UNMAP 3 50 51struct kvm_s390_io_adapter_req { 52 __u32 id; 53 __u8 type; 54 __u8 mask; 55 __u16 pad0; 56 __u64 addr; 57}; 58 59/* kvm attr_group on vm fd */ 60#define KVM_S390_VM_MEM_CTRL 0 61#define KVM_S390_VM_TOD 1 62#define KVM_S390_VM_CRYPTO 2 63#define KVM_S390_VM_CPU_MODEL 3 64 65/* kvm attributes for mem_ctrl */ 66#define KVM_S390_VM_MEM_ENABLE_CMMA 0 67#define KVM_S390_VM_MEM_CLR_CMMA 1 68#define KVM_S390_VM_MEM_LIMIT_SIZE 2 69 70#define KVM_S390_NO_MEM_LIMIT U64_MAX 71 72/* kvm attributes for KVM_S390_VM_TOD */ 73#define KVM_S390_VM_TOD_LOW 0 74#define KVM_S390_VM_TOD_HIGH 1 75 76/* kvm attributes for KVM_S390_VM_CPU_MODEL */ 77/* processor related attributes are r/w */ 78#define KVM_S390_VM_CPU_PROCESSOR 0 79struct kvm_s390_vm_cpu_processor { 80 __u64 cpuid; 81 __u16 ibc; 82 __u8 pad[6]; 83 __u64 fac_list[256]; 84}; 85 86/* machine related attributes are r/o */ 87#define KVM_S390_VM_CPU_MACHINE 1 88struct kvm_s390_vm_cpu_machine { 89 __u64 cpuid; 90 __u32 ibc; 91 __u8 pad[4]; 92 __u64 fac_mask[256]; 93 __u64 fac_list[256]; 94}; 95 96#define KVM_S390_VM_CPU_PROCESSOR_FEAT 2 97#define KVM_S390_VM_CPU_MACHINE_FEAT 3 98 99#define KVM_S390_VM_CPU_FEAT_NR_BITS 1024 100#define KVM_S390_VM_CPU_FEAT_ESOP 0 101#define KVM_S390_VM_CPU_FEAT_SIEF2 1 102#define KVM_S390_VM_CPU_FEAT_64BSCAO 2 103#define KVM_S390_VM_CPU_FEAT_SIIF 3 104#define KVM_S390_VM_CPU_FEAT_GPERE 4 105#define KVM_S390_VM_CPU_FEAT_GSLS 5 106#define KVM_S390_VM_CPU_FEAT_IB 6 107#define KVM_S390_VM_CPU_FEAT_CEI 7 108#define KVM_S390_VM_CPU_FEAT_IBS 8 109#define KVM_S390_VM_CPU_FEAT_SKEY 9 110#define KVM_S390_VM_CPU_FEAT_CMMA 10 111#define KVM_S390_VM_CPU_FEAT_PFMFI 11 112#define KVM_S390_VM_CPU_FEAT_SIGPIF 12 113struct kvm_s390_vm_cpu_feat { 114 __u64 feat[16]; 115}; 116 117#define KVM_S390_VM_CPU_PROCESSOR_SUBFUNC 4 118#define KVM_S390_VM_CPU_MACHINE_SUBFUNC 5 119/* for "test bit" instructions MSB 0 bit ordering, for "query" raw blocks */ 120struct kvm_s390_vm_cpu_subfunc { 121 __u8 plo[32]; /* always */ 122 __u8 ptff[16]; /* with TOD-clock steering */ 123 __u8 kmac[16]; /* with MSA */ 124 __u8 kmc[16]; /* with MSA */ 125 __u8 km[16]; /* with MSA */ 126 __u8 kimd[16]; /* with MSA */ 127 __u8 klmd[16]; /* with MSA */ 128 __u8 pckmo[16]; /* with MSA3 */ 129 __u8 kmctr[16]; /* with MSA4 */ 130 __u8 kmf[16]; /* with MSA4 */ 131 __u8 kmo[16]; /* with MSA4 */ 132 __u8 pcc[16]; /* with MSA4 */ 133 __u8 ppno[16]; /* with MSA5 */ 134 __u8 reserved[1824]; 135}; 136 137/* kvm attributes for crypto */ 138#define KVM_S390_VM_CRYPTO_ENABLE_AES_KW 0 139#define KVM_S390_VM_CRYPTO_ENABLE_DEA_KW 1 140#define KVM_S390_VM_CRYPTO_DISABLE_AES_KW 2 141#define KVM_S390_VM_CRYPTO_DISABLE_DEA_KW 3 142 143/* for KVM_GET_REGS and KVM_SET_REGS */ 144struct kvm_regs { 145 /* general purpose regs for s390 */ 146 __u64 gprs[16]; 147}; 148 149/* for KVM_GET_SREGS and KVM_SET_SREGS */ 150struct kvm_sregs { 151 __u32 acrs[16]; 152 __u64 crs[16]; 153}; 154 155/* for KVM_GET_FPU and KVM_SET_FPU */ 156struct kvm_fpu { 157 __u32 fpc; 158 __u64 fprs[16]; 159}; 160 161#define KVM_GUESTDBG_USE_HW_BP 0x00010000 162 163#define KVM_HW_BP 1 164#define KVM_HW_WP_WRITE 2 165#define KVM_SINGLESTEP 4 166 167struct kvm_debug_exit_arch { 168 __u64 addr; 169 __u8 type; 170 __u8 pad[7]; /* Should be set to 0 */ 171}; 172 173struct kvm_hw_breakpoint { 174 __u64 addr; 175 __u64 phys_addr; 176 __u64 len; 177 __u8 type; 178 __u8 pad[7]; /* Should be set to 0 */ 179}; 180 181/* for KVM_SET_GUEST_DEBUG */ 182struct kvm_guest_debug_arch { 183 __u32 nr_hw_bp; 184 __u32 pad; /* Should be set to 0 */ 185 struct kvm_hw_breakpoint __user *hw_bp; 186}; 187 188/* for KVM_SYNC_PFAULT and KVM_REG_S390_PFTOKEN */ 189#define KVM_S390_PFAULT_TOKEN_INVALID 0xffffffffffffffffULL 190 191#define KVM_SYNC_PREFIX (1UL << 0) 192#define KVM_SYNC_GPRS (1UL << 1) 193#define KVM_SYNC_ACRS (1UL << 2) 194#define KVM_SYNC_CRS (1UL << 3) 195#define KVM_SYNC_ARCH0 (1UL << 4) 196#define KVM_SYNC_PFAULT (1UL << 5) 197#define KVM_SYNC_VRS (1UL << 6) 198#define KVM_SYNC_RICCB (1UL << 7) 199#define KVM_SYNC_FPRS (1UL << 8) 200/* definition of registers in kvm_run */ 201struct kvm_sync_regs { 202 __u64 prefix; /* prefix register */ 203 __u64 gprs[16]; /* general purpose registers */ 204 __u32 acrs[16]; /* access registers */ 205 __u64 crs[16]; /* control registers */ 206 __u64 todpr; /* tod programmable register [ARCH0] */ 207 __u64 cputm; /* cpu timer [ARCH0] */ 208 __u64 ckc; /* clock comparator [ARCH0] */ 209 __u64 pp; /* program parameter [ARCH0] */ 210 __u64 gbea; /* guest breaking-event address [ARCH0] */ 211 __u64 pft; /* pfault token [PFAULT] */ 212 __u64 pfs; /* pfault select [PFAULT] */ 213 __u64 pfc; /* pfault compare [PFAULT] */ 214 union { 215 __u64 vrs[32][2]; /* vector registers (KVM_SYNC_VRS) */ 216 __u64 fprs[16]; /* fp registers (KVM_SYNC_FPRS) */ 217 }; 218 __u8 reserved[512]; /* for future vector expansion */ 219 __u32 fpc; /* valid on KVM_SYNC_VRS or KVM_SYNC_FPRS */ 220 __u8 padding[52]; /* riccb needs to be 64byte aligned */ 221 __u8 riccb[64]; /* runtime instrumentation controls block */ 222}; 223 224#define KVM_REG_S390_TODPR (KVM_REG_S390 | KVM_REG_SIZE_U32 | 0x1) 225#define KVM_REG_S390_EPOCHDIFF (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x2) 226#define KVM_REG_S390_CPU_TIMER (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x3) 227#define KVM_REG_S390_CLOCK_COMP (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x4) 228#define KVM_REG_S390_PFTOKEN (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x5) 229#define KVM_REG_S390_PFCOMPARE (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x6) 230#define KVM_REG_S390_PFSELECT (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x7) 231#define KVM_REG_S390_PP (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x8) 232#define KVM_REG_S390_GBEA (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x9) 233#endif 234