LXR linux/arch/powerpc/include/asm/kvm

   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 *
   4 * Copyright IBM Corp. 2008
   5 *
   6 * Authors: Hollis Blanchard <hollisb@us.ibm.com>
   7 */
   8
   9#ifndef __POWERPC_KVM_ASM_H__
  10#define __POWERPC_KVM_ASM_H__
  11
  12#ifdef __ASSEMBLY__
  13#ifdef CONFIG_64BIT
  14#define PPC_STD(sreg, offset, areg)  std sreg, (offset)(areg)
  15#define PPC_LD(treg, offset, areg)   ld treg, (offset)(areg)
  16#else
  17#define PPC_STD(sreg, offset, areg)  stw sreg, (offset+4)(areg)
  18#define PPC_LD(treg, offset, areg)   lwz treg, (offset+4)(areg)
  19#endif
  20#endif
  21
  22/* IVPR must be 64KiB-aligned. */
  23#define VCPU_SIZE_ORDER 4
  24#define VCPU_SIZE_LOG   (VCPU_SIZE_ORDER + 12)
  25#define VCPU_SIZE_BYTES (1<<VCPU_SIZE_LOG)
  26
  27#define BOOKE_INTERRUPT_CRITICAL 0
  28#define BOOKE_INTERRUPT_MACHINE_CHECK 1
  29#define BOOKE_INTERRUPT_DATA_STORAGE 2
  30#define BOOKE_INTERRUPT_INST_STORAGE 3
  31#define BOOKE_INTERRUPT_EXTERNAL 4
  32#define BOOKE_INTERRUPT_ALIGNMENT 5
  33#define BOOKE_INTERRUPT_PROGRAM 6
  34#define BOOKE_INTERRUPT_FP_UNAVAIL 7
  35#define BOOKE_INTERRUPT_SYSCALL 8
  36#define BOOKE_INTERRUPT_AP_UNAVAIL 9
  37#define BOOKE_INTERRUPT_DECREMENTER 10
  38#define BOOKE_INTERRUPT_FIT 11
  39#define BOOKE_INTERRUPT_WATCHDOG 12
  40#define BOOKE_INTERRUPT_DTLB_MISS 13
  41#define BOOKE_INTERRUPT_ITLB_MISS 14
  42#define BOOKE_INTERRUPT_DEBUG 15
  43
  44/* E500 */
  45#ifdef CONFIG_SPE_POSSIBLE
  46#define BOOKE_INTERRUPT_SPE_UNAVAIL 32
  47#define BOOKE_INTERRUPT_SPE_FP_DATA 33
  48#define BOOKE_INTERRUPT_SPE_FP_ROUND 34
  49#endif
  50
  51#ifdef CONFIG_PPC_E500MC
  52#define BOOKE_INTERRUPT_ALTIVEC_UNAVAIL 32
  53#define BOOKE_INTERRUPT_ALTIVEC_ASSIST 33
  54#endif
  55
  56#define BOOKE_INTERRUPT_PERFORMANCE_MONITOR 35
  57#define BOOKE_INTERRUPT_DOORBELL 36
  58#define BOOKE_INTERRUPT_DOORBELL_CRITICAL 37
  59
  60/* booke_hv */
  61#define BOOKE_INTERRUPT_GUEST_DBELL 38
  62#define BOOKE_INTERRUPT_GUEST_DBELL_CRIT 39
  63#define BOOKE_INTERRUPT_HV_SYSCALL 40
  64#define BOOKE_INTERRUPT_HV_PRIV 41
  65#define BOOKE_INTERRUPT_LRAT_ERROR 42
  66
  67/* book3s */
  68
  69#define BOOK3S_INTERRUPT_SYSTEM_RESET   0x100
  70#define BOOK3S_INTERRUPT_MACHINE_CHECK  0x200
  71#define BOOK3S_INTERRUPT_DATA_STORAGE   0x300
  72#define BOOK3S_INTERRUPT_DATA_SEGMENT   0x380
  73#define BOOK3S_INTERRUPT_INST_STORAGE   0x400
  74#define BOOK3S_INTERRUPT_INST_SEGMENT   0x480
  75#define BOOK3S_INTERRUPT_EXTERNAL       0x500
  76#define BOOK3S_INTERRUPT_EXTERNAL_HV    0x502
  77#define BOOK3S_INTERRUPT_ALIGNMENT      0x600
  78#define BOOK3S_INTERRUPT_PROGRAM        0x700
  79#define BOOK3S_INTERRUPT_FP_UNAVAIL     0x800
  80#define BOOK3S_INTERRUPT_DECREMENTER    0x900
  81#define BOOK3S_INTERRUPT_HV_DECREMENTER 0x980
  82#define BOOK3S_INTERRUPT_DOORBELL       0xa00
  83#define BOOK3S_INTERRUPT_SYSCALL        0xc00
  84#define BOOK3S_INTERRUPT_TRACE          0xd00
  85#define BOOK3S_INTERRUPT_H_DATA_STORAGE 0xe00
  86#define BOOK3S_INTERRUPT_H_INST_STORAGE 0xe20
  87#define BOOK3S_INTERRUPT_H_EMUL_ASSIST  0xe40
  88#define BOOK3S_INTERRUPT_HMI            0xe60
  89#define BOOK3S_INTERRUPT_H_DOORBELL     0xe80
  90#define BOOK3S_INTERRUPT_H_VIRT         0xea0
  91#define BOOK3S_INTERRUPT_PERFMON        0xf00
  92#define BOOK3S_INTERRUPT_ALTIVEC        0xf20
  93#define BOOK3S_INTERRUPT_VSX            0xf40
  94#define BOOK3S_INTERRUPT_FAC_UNAVAIL    0xf60
  95#define BOOK3S_INTERRUPT_H_FAC_UNAVAIL  0xf80
  96
  97/* book3s_hv */
  98
  99#define BOOK3S_INTERRUPT_HV_SOFTPATCH   0x1500
 100
 101/*
 102 * Special trap used to indicate to host that this is a
 103 * passthrough interrupt that could not be handled
 104 * completely in the guest.
 105 */
 106#define BOOK3S_INTERRUPT_HV_RM_HARD     0x5555
 107
 108#define BOOK3S_IRQPRIO_SYSTEM_RESET             0
 109#define BOOK3S_IRQPRIO_DATA_SEGMENT             1
 110#define BOOK3S_IRQPRIO_INST_SEGMENT             2
 111#define BOOK3S_IRQPRIO_DATA_STORAGE             3
 112#define BOOK3S_IRQPRIO_INST_STORAGE             4
 113#define BOOK3S_IRQPRIO_ALIGNMENT                5
 114#define BOOK3S_IRQPRIO_PROGRAM                  6
 115#define BOOK3S_IRQPRIO_FP_UNAVAIL               7
 116#define BOOK3S_IRQPRIO_ALTIVEC                  8
 117#define BOOK3S_IRQPRIO_VSX                      9
 118#define BOOK3S_IRQPRIO_FAC_UNAVAIL              10
 119#define BOOK3S_IRQPRIO_SYSCALL                  11
 120#define BOOK3S_IRQPRIO_MACHINE_CHECK            12
 121#define BOOK3S_IRQPRIO_DEBUG                    13
 122#define BOOK3S_IRQPRIO_EXTERNAL                 14
 123#define BOOK3S_IRQPRIO_DECREMENTER              15
 124#define BOOK3S_IRQPRIO_PERFORMANCE_MONITOR      16
 125#define BOOK3S_IRQPRIO_MAX                      17
 126
 127#define BOOK3S_HFLAG_DCBZ32                     0x1
 128#define BOOK3S_HFLAG_SLB                        0x2
 129#define BOOK3S_HFLAG_PAIRED_SINGLE              0x4
 130#define BOOK3S_HFLAG_NATIVE_PS                  0x8
 131#define BOOK3S_HFLAG_MULTI_PGSIZE               0x10
 132#define BOOK3S_HFLAG_NEW_TLBIE                  0x20
 133#define BOOK3S_HFLAG_SPLIT_HACK                 0x40
 134
 135#define RESUME_FLAG_NV          (1<<0)  /* Reload guest nonvolatile state? */
 136#define RESUME_FLAG_HOST        (1<<1)  /* Resume host? */
 137#define RESUME_FLAG_ARCH1       (1<<2)
 138#define RESUME_FLAG_ARCH2       (1<<3)
 139
 140#define RESUME_GUEST            0
 141#define RESUME_GUEST_NV         RESUME_FLAG_NV
 142#define RESUME_HOST             RESUME_FLAG_HOST
 143#define RESUME_HOST_NV          (RESUME_FLAG_HOST|RESUME_FLAG_NV)
 144
 145#define KVM_GUEST_MODE_NONE     0
 146#define KVM_GUEST_MODE_GUEST    1
 147#define KVM_GUEST_MODE_SKIP     2
 148#define KVM_GUEST_MODE_GUEST_HV 3
 149#define KVM_GUEST_MODE_HOST_HV  4
 150
 151#define KVM_INST_FETCH_FAILED   -1
 152
 153/* Extract PO and XOP opcode fields */
 154#define PO_XOP_OPCODE_MASK 0xfc0007fe
 155
 156#endif /* __POWERPC_KVM_ASM_H__ */
 157