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/* 29 * We can have up to 4*64k pending subchannels + 8 adapter interrupts, 30 * as well as up to ASYNC_PF_PER_VCPU*KVM_MAX_VCPUS pfault done interrupts. 31 * There are also sclp and machine checks. This gives us 32 * sizeof(kvm_s390_irq)*(4*65536+8+64*64+1+1) = 72 * 266250 = 19170000 33 * Lets round up to 8192 pages. 34 */ 35#define KVM_S390_MAX_FLOAT_IRQS 266250 36#define KVM_S390_FLIC_MAX_BUFFER 0x2000000 37 38struct kvm_s390_io_adapter { 39 __u32 id; 40 __u8 isc; 41 __u8 maskable; 42 __u8 swap; 43 __u8 pad; 44}; 45 46#define KVM_S390_IO_ADAPTER_MASK 1 47#define KVM_S390_IO_ADAPTER_MAP 2 48#define KVM_S390_IO_ADAPTER_UNMAP 3 49 50struct kvm_s390_io_adapter_req { 51 __u32 id; 52 __u8 type; 53 __u8 mask; 54 __u16 pad0; 55 __u64 addr; 56}; 57 58/* kvm attr_group on vm fd */ 59#define KVM_S390_VM_MEM_CTRL 0 60#define KVM_S390_VM_TOD 1 61#define KVM_S390_VM_CRYPTO 2 62#define KVM_S390_VM_CPU_MODEL 3 63 64/* kvm attributes for mem_ctrl */ 65#define KVM_S390_VM_MEM_ENABLE_CMMA 0 66#define KVM_S390_VM_MEM_CLR_CMMA 1 67#define KVM_S390_VM_MEM_LIMIT_SIZE 2 68 69#define KVM_S390_NO_MEM_LIMIT U64_MAX 70 71/* kvm attributes for KVM_S390_VM_TOD */ 72#define KVM_S390_VM_TOD_LOW 0 73#define KVM_S390_VM_TOD_HIGH 1 74 75/* kvm attributes for KVM_S390_VM_CPU_MODEL */ 76/* processor related attributes are r/w */ 77#define KVM_S390_VM_CPU_PROCESSOR 0 78struct kvm_s390_vm_cpu_processor { 79 __u64 cpuid; 80 __u16 ibc; 81 __u8 pad[6]; 82 __u64 fac_list[256]; 83}; 84 85/* machine related attributes are r/o */ 86#define KVM_S390_VM_CPU_MACHINE 1 87struct kvm_s390_vm_cpu_machine { 88 __u64 cpuid; 89 __u32 ibc; 90 __u8 pad[4]; 91 __u64 fac_mask[256]; 92 __u64 fac_list[256]; 93}; 94 95/* kvm attributes for crypto */ 96#define KVM_S390_VM_CRYPTO_ENABLE_AES_KW 0 97#define KVM_S390_VM_CRYPTO_ENABLE_DEA_KW 1 98#define KVM_S390_VM_CRYPTO_DISABLE_AES_KW 2 99#define KVM_S390_VM_CRYPTO_DISABLE_DEA_KW 3 100 101/* for KVM_GET_REGS and KVM_SET_REGS */ 102struct kvm_regs { 103 /* general purpose regs for s390 */ 104 __u64 gprs[16]; 105}; 106 107/* for KVM_GET_SREGS and KVM_SET_SREGS */ 108struct kvm_sregs { 109 __u32 acrs[16]; 110 __u64 crs[16]; 111}; 112 113/* for KVM_GET_FPU and KVM_SET_FPU */ 114struct kvm_fpu { 115 __u32 fpc; 116 __u64 fprs[16]; 117}; 118 119#define KVM_GUESTDBG_USE_HW_BP 0x00010000 120 121#define KVM_HW_BP 1 122#define KVM_HW_WP_WRITE 2 123#define KVM_SINGLESTEP 4 124 125struct kvm_debug_exit_arch { 126 __u64 addr; 127 __u8 type; 128 __u8 pad[7]; /* Should be set to 0 */ 129}; 130 131struct kvm_hw_breakpoint { 132 __u64 addr; 133 __u64 phys_addr; 134 __u64 len; 135 __u8 type; 136 __u8 pad[7]; /* Should be set to 0 */ 137}; 138 139/* for KVM_SET_GUEST_DEBUG */ 140struct kvm_guest_debug_arch { 141 __u32 nr_hw_bp; 142 __u32 pad; /* Should be set to 0 */ 143 struct kvm_hw_breakpoint *hw_bp; 144}; 145 146/* for KVM_SYNC_PFAULT and KVM_REG_S390_PFTOKEN */ 147#define KVM_S390_PFAULT_TOKEN_INVALID 0xffffffffffffffffULL 148 149#define KVM_SYNC_PREFIX (1UL << 0) 150#define KVM_SYNC_GPRS (1UL << 1) 151#define KVM_SYNC_ACRS (1UL << 2) 152#define KVM_SYNC_CRS (1UL << 3) 153#define KVM_SYNC_ARCH0 (1UL << 4) 154#define KVM_SYNC_PFAULT (1UL << 5) 155#define KVM_SYNC_VRS (1UL << 6) 156#define KVM_SYNC_RICCB (1UL << 7) 157#define KVM_SYNC_FPRS (1UL << 8) 158/* definition of registers in kvm_run */ 159struct kvm_sync_regs { 160 __u64 prefix; /* prefix register */ 161 __u64 gprs[16]; /* general purpose registers */ 162 __u32 acrs[16]; /* access registers */ 163 __u64 crs[16]; /* control registers */ 164 __u64 todpr; /* tod programmable register [ARCH0] */ 165 __u64 cputm; /* cpu timer [ARCH0] */ 166 __u64 ckc; /* clock comparator [ARCH0] */ 167 __u64 pp; /* program parameter [ARCH0] */ 168 __u64 gbea; /* guest breaking-event address [ARCH0] */ 169 __u64 pft; /* pfault token [PFAULT] */ 170 __u64 pfs; /* pfault select [PFAULT] */ 171 __u64 pfc; /* pfault compare [PFAULT] */ 172 union { 173 __u64 vrs[32][2]; /* vector registers (KVM_SYNC_VRS) */ 174 __u64 fprs[16]; /* fp registers (KVM_SYNC_FPRS) */ 175 }; 176 __u8 reserved[512]; /* for future vector expansion */ 177 __u32 fpc; /* valid on KVM_SYNC_VRS or KVM_SYNC_FPRS */ 178 __u8 padding[52]; /* riccb needs to be 64byte aligned */ 179 __u8 riccb[64]; /* runtime instrumentation controls block */ 180}; 181 182#define KVM_REG_S390_TODPR (KVM_REG_S390 | KVM_REG_SIZE_U32 | 0x1) 183#define KVM_REG_S390_EPOCHDIFF (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x2) 184#define KVM_REG_S390_CPU_TIMER (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x3) 185#define KVM_REG_S390_CLOCK_COMP (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x4) 186#define KVM_REG_S390_PFTOKEN (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x5) 187#define KVM_REG_S390_PFCOMPARE (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x6) 188#define KVM_REG_S390_PFSELECT (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x7) 189#define KVM_REG_S390_PP (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x8) 190#define KVM_REG_S390_GBEA (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x9) 191#endif 192