kvm.h 4.2 KB

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  1. /*
  2. * This file is subject to the terms and conditions of the GNU General Public
  3. * License. See the file "COPYING" in the main directory of this archive
  4. * for more details.
  5. *
  6. * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved.
  7. * Copyright (C) 2013 Cavium, Inc.
  8. * Authors: Sanjay Lal <sanjayl@kymasys.com>
  9. */
  10. #ifndef __LINUX_KVM_MIPS_H
  11. #define __LINUX_KVM_MIPS_H
  12. #include <linux/types.h>
  13. /*
  14. * KVM MIPS specific structures and definitions.
  15. *
  16. * Some parts derived from the x86 version of this file.
  17. */
  18. /*
  19. * for KVM_GET_REGS and KVM_SET_REGS
  20. *
  21. * If Config[AT] is zero (32-bit CPU), the register contents are
  22. * stored in the lower 32-bits of the struct kvm_regs fields and sign
  23. * extended to 64-bits.
  24. */
  25. struct kvm_regs {
  26. /* out (KVM_GET_REGS) / in (KVM_SET_REGS) */
  27. __u64 gpr[32];
  28. __u64 hi;
  29. __u64 lo;
  30. __u64 pc;
  31. };
  32. /*
  33. * for KVM_GET_FPU and KVM_SET_FPU
  34. *
  35. * If Status[FR] is zero (32-bit FPU), the upper 32-bits of the FPRs
  36. * are zero filled.
  37. */
  38. struct kvm_fpu {
  39. __u64 fpr[32];
  40. __u32 fir;
  41. __u32 fccr;
  42. __u32 fexr;
  43. __u32 fenr;
  44. __u32 fcsr;
  45. __u32 pad;
  46. };
  47. /*
  48. * For MIPS, we use KVM_SET_ONE_REG and KVM_GET_ONE_REG to access CP0
  49. * registers. The id field is broken down as follows:
  50. *
  51. * bits[2..0] - Register 'sel' index.
  52. * bits[7..3] - Register 'rd' index.
  53. * bits[15..8] - Must be zero.
  54. * bits[31..16] - 1 -> CP0 registers.
  55. * bits[51..32] - Must be zero.
  56. * bits[63..52] - As per linux/kvm.h
  57. *
  58. * Other sets registers may be added in the future. Each set would
  59. * have its own identifier in bits[31..16].
  60. *
  61. * The registers defined in struct kvm_regs are also accessible, the
  62. * id values for these are below.
  63. */
  64. #define KVM_REG_MIPS_R0 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 0)
  65. #define KVM_REG_MIPS_R1 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 1)
  66. #define KVM_REG_MIPS_R2 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 2)
  67. #define KVM_REG_MIPS_R3 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 3)
  68. #define KVM_REG_MIPS_R4 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 4)
  69. #define KVM_REG_MIPS_R5 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 5)
  70. #define KVM_REG_MIPS_R6 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 6)
  71. #define KVM_REG_MIPS_R7 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 7)
  72. #define KVM_REG_MIPS_R8 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 8)
  73. #define KVM_REG_MIPS_R9 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 9)
  74. #define KVM_REG_MIPS_R10 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 10)
  75. #define KVM_REG_MIPS_R11 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 11)
  76. #define KVM_REG_MIPS_R12 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 12)
  77. #define KVM_REG_MIPS_R13 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 13)
  78. #define KVM_REG_MIPS_R14 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 14)
  79. #define KVM_REG_MIPS_R15 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 15)
  80. #define KVM_REG_MIPS_R16 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 16)
  81. #define KVM_REG_MIPS_R17 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 17)
  82. #define KVM_REG_MIPS_R18 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 18)
  83. #define KVM_REG_MIPS_R19 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 19)
  84. #define KVM_REG_MIPS_R20 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 20)
  85. #define KVM_REG_MIPS_R21 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 21)
  86. #define KVM_REG_MIPS_R22 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 22)
  87. #define KVM_REG_MIPS_R23 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 23)
  88. #define KVM_REG_MIPS_R24 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 24)
  89. #define KVM_REG_MIPS_R25 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 25)
  90. #define KVM_REG_MIPS_R26 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 26)
  91. #define KVM_REG_MIPS_R27 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 27)
  92. #define KVM_REG_MIPS_R28 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 28)
  93. #define KVM_REG_MIPS_R29 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 29)
  94. #define KVM_REG_MIPS_R30 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 30)
  95. #define KVM_REG_MIPS_R31 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 31)
  96. #define KVM_REG_MIPS_HI (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 32)
  97. #define KVM_REG_MIPS_LO (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 33)
  98. #define KVM_REG_MIPS_PC (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 34)
  99. /*
  100. * KVM MIPS specific structures and definitions
  101. *
  102. */
  103. struct kvm_debug_exit_arch {
  104. __u64 epc;
  105. };
  106. /* for KVM_SET_GUEST_DEBUG */
  107. struct kvm_guest_debug_arch {
  108. };
  109. /* definition of registers in kvm_run */
  110. struct kvm_sync_regs {
  111. };
  112. /* dummy definition */
  113. struct kvm_sregs {
  114. };
  115. struct kvm_mips_interrupt {
  116. /* in */
  117. __u32 cpu;
  118. __u32 irq;
  119. };
  120. #endif /* __LINUX_KVM_MIPS_H */