/arch/powerpc/include/asm/kvm_booke.h

http://github.com/mirrors/linux · C Header · 106 lines · 73 code · 19 blank · 14 comment · 0 complexity · 27b39ba33763527dbe188b83d722c4a4 MD5 · raw file 

    

  1. /* SPDX-License-Identifier: GPL-2.0-only */
    2. 

  2. /*
    3. 

  3.  *
    4. 

  4.  * Copyright SUSE Linux Products GmbH 2010
    5. 

  5.  *
    6. 

  6.  * Authors: Alexander Graf <agraf@suse.de>
    7. 

  7.  */
    8. 

  8. 

  9. #ifndef __ASM_KVM_BOOKE_H__
    10. 

  10. #define __ASM_KVM_BOOKE_H__
    11. 

  11. 

  12. #include <linux/types.h>
    13. 

  13. #include <linux/kvm_host.h>
    14. 

  14. 

  15. /*
    16. 

  16.  * Number of available lpids. Only the low-order 6 bits of LPID rgister are
    17. 

  17.  * implemented on e500mc+ cores.
    18. 

  18.  */
    19. 

  19. #define KVMPPC_NR_LPIDS                        64
    20. 

  20. 

  21. #define KVMPPC_INST_EHPRIV		0x7c00021c
    22. 

  22. #define EHPRIV_OC_SHIFT			11
    23. 

  23. /* "ehpriv 1" : ehpriv with OC = 1 is used for debug emulation */
    24. 

  24. #define EHPRIV_OC_DEBUG			1
    25. 

  25. 

  26. static inline void kvmppc_set_gpr(struct kvm_vcpu *vcpu, int num, ulong val)
    27. 

  27. {
    28. 

  28. 	vcpu->arch.regs.gpr[num] = val;
    29. 

  29. }
    30. 

  30. 

  31. static inline ulong kvmppc_get_gpr(struct kvm_vcpu *vcpu, int num)
    32. 

  32. {
    33. 

  33. 	return vcpu->arch.regs.gpr[num];
    34. 

  34. }
    35. 

  35. 

  36. static inline void kvmppc_set_cr(struct kvm_vcpu *vcpu, u32 val)
    37. 

  37. {
    38. 

  38. 	vcpu->arch.regs.ccr = val;
    39. 

  39. }
    40. 

  40. 

  41. static inline u32 kvmppc_get_cr(struct kvm_vcpu *vcpu)
    42. 

  42. {
    43. 

  43. 	return vcpu->arch.regs.ccr;
    44. 

  44. }
    45. 

  45. 

  46. static inline void kvmppc_set_xer(struct kvm_vcpu *vcpu, ulong val)
    47. 

  47. {
    48. 

  48. 	vcpu->arch.regs.xer = val;
    49. 

  49. }
    50. 

  50. 

  51. static inline ulong kvmppc_get_xer(struct kvm_vcpu *vcpu)
    52. 

  52. {
    53. 

  53. 	return vcpu->arch.regs.xer;
    54. 

  54. }
    55. 

  55. 

  56. static inline bool kvmppc_need_byteswap(struct kvm_vcpu *vcpu)
    57. 

  57. {
    58. 

  58. 	/* XXX Would need to check TLB entry */
    59. 

  59. 	return false;
    60. 

  60. }
    61. 

  61. 

  62. static inline void kvmppc_set_ctr(struct kvm_vcpu *vcpu, ulong val)
    63. 

  63. {
    64. 

  64. 	vcpu->arch.regs.ctr = val;
    65. 

  65. }
    66. 

  66. 

  67. static inline ulong kvmppc_get_ctr(struct kvm_vcpu *vcpu)
    68. 

  68. {
    69. 

  69. 	return vcpu->arch.regs.ctr;
    70. 

  70. }
    71. 

  71. 

  72. static inline void kvmppc_set_lr(struct kvm_vcpu *vcpu, ulong val)
    73. 

  73. {
    74. 

  74. 	vcpu->arch.regs.link = val;
    75. 

  75. }
    76. 

  76. 

  77. static inline ulong kvmppc_get_lr(struct kvm_vcpu *vcpu)
    78. 

  78. {
    79. 

  79. 	return vcpu->arch.regs.link;
    80. 

  80. }
    81. 

  81. 

  82. static inline void kvmppc_set_pc(struct kvm_vcpu *vcpu, ulong val)
    83. 

  83. {
    84. 

  84. 	vcpu->arch.regs.nip = val;
    85. 

  85. }
    86. 

  86. 

  87. static inline ulong kvmppc_get_pc(struct kvm_vcpu *vcpu)
    88. 

  88. {
    89. 

  89. 	return vcpu->arch.regs.nip;
    90. 

  90. }
    91. 

  91. 

  92. static inline ulong kvmppc_get_fault_dar(struct kvm_vcpu *vcpu)
    93. 

  93. {
    94. 

  94. 	return vcpu->arch.fault_dear;
    95. 

  95. }
    96. 

  96. 

  97. static inline bool kvmppc_supports_magic_page(struct kvm_vcpu *vcpu)
    98. 

  98. {
    99. 

  99. 	/* Magic page is only supported on e500v2 */
    100. 

  100. #ifdef CONFIG_KVM_E500V2
    101. 

  101. 	return true;
    102. 

  102. #else
    103. 

  103. 	return false;
    104. 

  104. #endif
    105. 

  105. }
    106. 

  106. #endif /* __ASM_KVM_BOOKE_H__ */
    107.