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 39 struct 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 51 struct 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 79 struct 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 88 struct 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 /* kvm attributes for crypto */ 97 #define KVM_S390_VM_CRYPTO_ENABLE_AES_KW 0 98 #define KVM_S390_VM_CRYPTO_ENABLE_DEA_KW 1 99 #define KVM_S390_VM_CRYPTO_DISABLE_AES_KW 2 100 #define KVM_S390_VM_CRYPTO_DISABLE_DEA_KW 3 101 102 /* for KVM_GET_REGS and KVM_SET_REGS */ 103 struct kvm_regs { 104 /* general purpose regs for s390 */ 105 __u64 gprs[16]; 106 }; 107 108 /* for KVM_GET_SREGS and KVM_SET_SREGS */ 109 struct kvm_sregs { 110 __u32 acrs[16]; 111 __u64 crs[16]; 112 }; 113 114 /* for KVM_GET_FPU and KVM_SET_FPU */ 115 struct kvm_fpu { 116 __u32 fpc; 117 __u64 fprs[16]; 118 }; 119 120 #define KVM_GUESTDBG_USE_HW_BP 0x00010000 121 122 #define KVM_HW_BP 1 123 #define KVM_HW_WP_WRITE 2 124 #define KVM_SINGLESTEP 4 125 126 struct kvm_debug_exit_arch { 127 __u64 addr; 128 __u8 type; 129 __u8 pad[7]; /* Should be set to 0 */ 130 }; 131 132 struct kvm_hw_breakpoint { 133 __u64 addr; 134 __u64 phys_addr; 135 __u64 len; 136 __u8 type; 137 __u8 pad[7]; /* Should be set to 0 */ 138 }; 139 140 /* for KVM_SET_GUEST_DEBUG */ 141 struct kvm_guest_debug_arch { 142 __u32 nr_hw_bp; 143 __u32 pad; /* Should be set to 0 */ 144 struct kvm_hw_breakpoint *hw_bp; 145 }; 146 147 /* for KVM_SYNC_PFAULT and KVM_REG_S390_PFTOKEN */ 148 #define KVM_S390_PFAULT_TOKEN_INVALID 0xffffffffffffffffULL 149 150 #define KVM_SYNC_PREFIX (1UL << 0) 151 #define KVM_SYNC_GPRS (1UL << 1) 152 #define KVM_SYNC_ACRS (1UL << 2) 153 #define KVM_SYNC_CRS (1UL << 3) 154 #define KVM_SYNC_ARCH0 (1UL << 4) 155 #define KVM_SYNC_PFAULT (1UL << 5) 156 #define KVM_SYNC_VRS (1UL << 6) 157 #define KVM_SYNC_RICCB (1UL << 7) 158 #define KVM_SYNC_FPRS (1UL << 8) 159 /* definition of registers in kvm_run */ 160 struct kvm_sync_regs { 161 __u64 prefix; /* prefix register */ 162 __u64 gprs[16]; /* general purpose registers */ 163 __u32 acrs[16]; /* access registers */ 164 __u64 crs[16]; /* control registers */ 165 __u64 todpr; /* tod programmable register [ARCH0] */ 166 __u64 cputm; /* cpu timer [ARCH0] */ 167 __u64 ckc; /* clock comparator [ARCH0] */ 168 __u64 pp; /* program parameter [ARCH0] */ 169 __u64 gbea; /* guest breaking-event address [ARCH0] */ 170 __u64 pft; /* pfault token [PFAULT] */ 171 __u64 pfs; /* pfault select [PFAULT] */ 172 __u64 pfc; /* pfault compare [PFAULT] */ 173 union { 174 __u64 vrs[32][2]; /* vector registers (KVM_SYNC_VRS) */ 175 __u64 fprs[16]; /* fp registers (KVM_SYNC_FPRS) */ 176 }; 177 __u8 reserved[512]; /* for future vector expansion */ 178 __u32 fpc; /* valid on KVM_SYNC_VRS or KVM_SYNC_FPRS */ 179 __u8 padding[52]; /* riccb needs to be 64byte aligned */ 180 __u8 riccb[64]; /* runtime instrumentation controls block */ 181 }; 182 183 #define KVM_REG_S390_TODPR (KVM_REG_S390 | KVM_REG_SIZE_U32 | 0x1) 184 #define KVM_REG_S390_EPOCHDIFF (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x2) 185 #define KVM_REG_S390_CPU_TIMER (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x3) 186 #define KVM_REG_S390_CLOCK_COMP (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x4) 187 #define KVM_REG_S390_PFTOKEN (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x5) 188 #define KVM_REG_S390_PFCOMPARE (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x6) 189 #define KVM_REG_S390_PFSELECT (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x7) 190 #define KVM_REG_S390_PP (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x8) 191 #define KVM_REG_S390_GBEA (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x9) 192 #endif 193