linux-headers/asm-s390/kvm.h

   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 #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
 113 struct 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 */
 120 struct 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 */
 144 struct kvm_regs {
 145         /* general purpose regs for s390 */
 146         __u64 gprs[16];
 147 };
 148
 149 /* for KVM_GET_SREGS and KVM_SET_SREGS */
 150 struct kvm_sregs {
 151         __u32 acrs[16];
 152         __u64 crs[16];
 153 };
 154
 155 /* for KVM_GET_FPU and KVM_SET_FPU */
 156 struct 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
 167 struct kvm_debug_exit_arch {
 168         __u64 addr;
 169         __u8 type;
 170         __u8 pad[7]; /* Should be set to 0 */
 171 };
 172
 173 struct 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 */
 182 struct kvm_guest_debug_arch {
 183         __u32 nr_hw_bp;
 184         __u32 pad; /* Should be set to 0 */
 185         struct kvm_hw_breakpoint *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 */
 201 struct 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