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

   1/*
   2 * This program is free software; you can redistribute it and/or modify
   3 * it under the terms of the GNU General Public License, version 2, as
   4 * published by the Free Software Foundation.
   5 *
   6 * This program is distributed in the hope that it will be useful,
   7 * but WITHOUT ANY WARRANTY; without even the implied warranty of
   8 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   9 * GNU General Public License for more details.
  10 *
  11 * You should have received a copy of the GNU General Public License
  12 * along with this program; if not, write to the Free Software
  13 * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  14 *
  15 * Copyright IBM Corp. 2008
  16 *
  17 * Authors: Hollis Blanchard <hollisb@us.ibm.com>
  18 */
  19
  20#ifndef __POWERPC_KVM_ASM_H__
  21#define __POWERPC_KVM_ASM_H__
  22
  23#ifdef __ASSEMBLY__
  24#ifdef CONFIG_64BIT
  25#define PPC_STD(sreg, offset, areg)  std sreg, (offset)(areg)
  26#define PPC_LD(treg, offset, areg)   ld treg, (offset)(areg)
  27#else
  28#define PPC_STD(sreg, offset, areg)  stw sreg, (offset+4)(areg)
  29#define PPC_LD(treg, offset, areg)   lwz treg, (offset+4)(areg)
  30#endif
  31#endif
  32
  33/* IVPR must be 64KiB-aligned. */
  34#define VCPU_SIZE_ORDER 4
  35#define VCPU_SIZE_LOG   (VCPU_SIZE_ORDER + 12)
  36#define VCPU_TLB_PGSZ   PPC44x_TLB_64K
  37#define VCPU_SIZE_BYTES (1<<VCPU_SIZE_LOG)
  38
  39#define BOOKE_INTERRUPT_CRITICAL 0
  40#define BOOKE_INTERRUPT_MACHINE_CHECK 1
  41#define BOOKE_INTERRUPT_DATA_STORAGE 2
  42#define BOOKE_INTERRUPT_INST_STORAGE 3
  43#define BOOKE_INTERRUPT_EXTERNAL 4
  44#define BOOKE_INTERRUPT_ALIGNMENT 5
  45#define BOOKE_INTERRUPT_PROGRAM 6
  46#define BOOKE_INTERRUPT_FP_UNAVAIL 7
  47#define BOOKE_INTERRUPT_SYSCALL 8
  48#define BOOKE_INTERRUPT_AP_UNAVAIL 9
  49#define BOOKE_INTERRUPT_DECREMENTER 10
  50#define BOOKE_INTERRUPT_FIT 11
  51#define BOOKE_INTERRUPT_WATCHDOG 12
  52#define BOOKE_INTERRUPT_DTLB_MISS 13
  53#define BOOKE_INTERRUPT_ITLB_MISS 14
  54#define BOOKE_INTERRUPT_DEBUG 15
  55
  56/* E500 */
  57#define BOOKE_INTERRUPT_SPE_ALTIVEC_UNAVAIL 32
  58#define BOOKE_INTERRUPT_SPE_FP_DATA_ALTIVEC_ASSIST 33
  59/*
  60 * TODO: Unify 32-bit and 64-bit kernel exception handlers to use same defines
  61 */
  62#define BOOKE_INTERRUPT_SPE_UNAVAIL BOOKE_INTERRUPT_SPE_ALTIVEC_UNAVAIL
  63#define BOOKE_INTERRUPT_SPE_FP_DATA BOOKE_INTERRUPT_SPE_FP_DATA_ALTIVEC_ASSIST
  64#define BOOKE_INTERRUPT_ALTIVEC_UNAVAIL BOOKE_INTERRUPT_SPE_ALTIVEC_UNAVAIL
  65#define BOOKE_INTERRUPT_ALTIVEC_ASSIST \
  66                                BOOKE_INTERRUPT_SPE_FP_DATA_ALTIVEC_ASSIST
  67#define BOOKE_INTERRUPT_SPE_FP_ROUND 34
  68#define BOOKE_INTERRUPT_PERFORMANCE_MONITOR 35
  69#define BOOKE_INTERRUPT_DOORBELL 36
  70#define BOOKE_INTERRUPT_DOORBELL_CRITICAL 37
  71
  72/* booke_hv */
  73#define BOOKE_INTERRUPT_GUEST_DBELL 38
  74#define BOOKE_INTERRUPT_GUEST_DBELL_CRIT 39
  75#define BOOKE_INTERRUPT_HV_SYSCALL 40
  76#define BOOKE_INTERRUPT_HV_PRIV 41
  77
  78/* book3s */
  79
  80#define BOOK3S_INTERRUPT_SYSTEM_RESET   0x100
  81#define BOOK3S_INTERRUPT_MACHINE_CHECK  0x200
  82#define BOOK3S_INTERRUPT_DATA_STORAGE   0x300
  83#define BOOK3S_INTERRUPT_DATA_SEGMENT   0x380
  84#define BOOK3S_INTERRUPT_INST_STORAGE   0x400
  85#define BOOK3S_INTERRUPT_INST_SEGMENT   0x480
  86#define BOOK3S_INTERRUPT_EXTERNAL       0x500
  87#define BOOK3S_INTERRUPT_EXTERNAL_LEVEL 0x501
  88#define BOOK3S_INTERRUPT_EXTERNAL_HV    0x502
  89#define BOOK3S_INTERRUPT_ALIGNMENT      0x600
  90#define BOOK3S_INTERRUPT_PROGRAM        0x700
  91#define BOOK3S_INTERRUPT_FP_UNAVAIL     0x800
  92#define BOOK3S_INTERRUPT_DECREMENTER    0x900
  93#define BOOK3S_INTERRUPT_HV_DECREMENTER 0x980
  94#define BOOK3S_INTERRUPT_DOORBELL       0xa00
  95#define BOOK3S_INTERRUPT_SYSCALL        0xc00
  96#define BOOK3S_INTERRUPT_TRACE          0xd00
  97#define BOOK3S_INTERRUPT_H_DATA_STORAGE 0xe00
  98#define BOOK3S_INTERRUPT_H_INST_STORAGE 0xe20
  99#define BOOK3S_INTERRUPT_H_EMUL_ASSIST  0xe40
 100#define BOOK3S_INTERRUPT_HMI            0xe60
 101#define BOOK3S_INTERRUPT_H_DOORBELL     0xe80
 102#define BOOK3S_INTERRUPT_PERFMON        0xf00
 103#define BOOK3S_INTERRUPT_ALTIVEC        0xf20
 104#define BOOK3S_INTERRUPT_VSX            0xf40
 105#define BOOK3S_INTERRUPT_FAC_UNAVAIL    0xf60
 106#define BOOK3S_INTERRUPT_H_FAC_UNAVAIL  0xf80
 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_EXTERNAL_LEVEL           17
 126#define BOOK3S_IRQPRIO_MAX                      18
 127
 128#define BOOK3S_HFLAG_DCBZ32                     0x1
 129#define BOOK3S_HFLAG_SLB                        0x2
 130#define BOOK3S_HFLAG_PAIRED_SINGLE              0x4
 131#define BOOK3S_HFLAG_NATIVE_PS                  0x8
 132#define BOOK3S_HFLAG_MULTI_PGSIZE               0x10
 133#define BOOK3S_HFLAG_NEW_TLBIE                  0x20
 134#define BOOK3S_HFLAG_SPLIT_HACK                 0x40
 135
 136#define RESUME_FLAG_NV          (1<<0)  /* Reload guest nonvolatile state? */
 137#define RESUME_FLAG_HOST        (1<<1)  /* Resume host? */
 138#define RESUME_FLAG_ARCH1       (1<<2)
 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#endif /* __POWERPC_KVM_ASM_H__ */
 154