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 38 struct 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 50 struct 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 /* kvm attributes for KVM_S390_VM_TOD */ 70 #define KVM_S390_VM_TOD_LOW 0 71 #define KVM_S390_VM_TOD_HIGH 1 72 73 /* kvm attributes for KVM_S390_VM_CPU_MODEL */ 74 /* processor related attributes are r/w */ 75 #define KVM_S390_VM_CPU_PROCESSOR 0 76 struct kvm_s390_vm_cpu_processor { 77 __u64 cpuid; 78 __u16 ibc; 79 __u8 pad[6]; 80 __u64 fac_list[256]; 81 }; 82 83 /* machine related attributes are r/o */ 84 #define KVM_S390_VM_CPU_MACHINE 1 85 struct kvm_s390_vm_cpu_machine { 86 __u64 cpuid; 87 __u32 ibc; 88 __u8 pad[4]; 89 __u64 fac_mask[256]; 90 __u64 fac_list[256]; 91 }; 92 93 /* kvm attributes for crypto */ 94 #define KVM_S390_VM_CRYPTO_ENABLE_AES_KW 0 95 #define KVM_S390_VM_CRYPTO_ENABLE_DEA_KW 1 96 #define KVM_S390_VM_CRYPTO_DISABLE_AES_KW 2 97 #define KVM_S390_VM_CRYPTO_DISABLE_DEA_KW 3 98 99 /* for KVM_GET_REGS and KVM_SET_REGS */ 100 struct kvm_regs { 101 /* general purpose regs for s390 */ 102 __u64 gprs[16]; 103 }; 104 105 /* for KVM_GET_SREGS and KVM_SET_SREGS */ 106 struct kvm_sregs { 107 __u32 acrs[16]; 108 __u64 crs[16]; 109 }; 110 111 /* for KVM_GET_FPU and KVM_SET_FPU */ 112 struct kvm_fpu { 113 __u32 fpc; 114 __u64 fprs[16]; 115 }; 116 117 #define KVM_GUESTDBG_USE_HW_BP 0x00010000 118 119 #define KVM_HW_BP 1 120 #define KVM_HW_WP_WRITE 2 121 #define KVM_SINGLESTEP 4 122 123 struct kvm_debug_exit_arch { 124 __u64 addr; 125 __u8 type; 126 __u8 pad[7]; /* Should be set to 0 */ 127 }; 128 129 struct kvm_hw_breakpoint { 130 __u64 addr; 131 __u64 phys_addr; 132 __u64 len; 133 __u8 type; 134 __u8 pad[7]; /* Should be set to 0 */ 135 }; 136 137 /* for KVM_SET_GUEST_DEBUG */ 138 struct kvm_guest_debug_arch { 139 __u32 nr_hw_bp; 140 __u32 pad; /* Should be set to 0 */ 141 struct kvm_hw_breakpoint __user *hw_bp; 142 }; 143 144 /* for KVM_SYNC_PFAULT and KVM_REG_S390_PFTOKEN */ 145 #define KVM_S390_PFAULT_TOKEN_INVALID 0xffffffffffffffffULL 146 147 #define KVM_SYNC_PREFIX (1UL << 0) 148 #define KVM_SYNC_GPRS (1UL << 1) 149 #define KVM_SYNC_ACRS (1UL << 2) 150 #define KVM_SYNC_CRS (1UL << 3) 151 #define KVM_SYNC_ARCH0 (1UL << 4) 152 #define KVM_SYNC_PFAULT (1UL << 5) 153 #define KVM_SYNC_VRS (1UL << 6) 154 /* definition of registers in kvm_run */ 155 struct kvm_sync_regs { 156 __u64 prefix; /* prefix register */ 157 __u64 gprs[16]; /* general purpose registers */ 158 __u32 acrs[16]; /* access registers */ 159 __u64 crs[16]; /* control registers */ 160 __u64 todpr; /* tod programmable register [ARCH0] */ 161 __u64 cputm; /* cpu timer [ARCH0] */ 162 __u64 ckc; /* clock comparator [ARCH0] */ 163 __u64 pp; /* program parameter [ARCH0] */ 164 __u64 gbea; /* guest breaking-event address [ARCH0] */ 165 __u64 pft; /* pfault token [PFAULT] */ 166 __u64 pfs; /* pfault select [PFAULT] */ 167 __u64 pfc; /* pfault compare [PFAULT] */ 168 __u64 vrs[32][2]; /* vector registers */ 169 __u8 reserved[512]; /* for future vector expansion */ 170 __u32 fpc; /* only valid with vector registers */ 171 }; 172 173 #define KVM_REG_S390_TODPR (KVM_REG_S390 | KVM_REG_SIZE_U32 | 0x1) 174 #define KVM_REG_S390_EPOCHDIFF (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x2) 175 #define KVM_REG_S390_CPU_TIMER (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x3) 176 #define KVM_REG_S390_CLOCK_COMP (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x4) 177 #define KVM_REG_S390_PFTOKEN (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x5) 178 #define KVM_REG_S390_PFCOMPARE (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x6) 179 #define KVM_REG_S390_PFSELECT (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x7) 180 #define KVM_REG_S390_PP (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x8) 181 #define KVM_REG_S390_GBEA (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x9) 182 #endif 183