Home Explore Help
Register Sign In
RD_Software
/
ark1668ed-bsp
2
0
Fork 0
Files Issues 0 Pull Requests 0 Wiki
Tree: fc47107f95
Branches Tags
ark1668ed-bsp
/
linux
/
arch
/
powerpc
/
kvm
/
book3s_hv.h

book3s_hv.h 4.7 KB
History Raw

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131 
  1. // SPDX-License-Identifier: GPL-2.0-only
    2. 

  2. 

  3. /*
    4. 

  4.  * Privileged (non-hypervisor) host registers to save.
    5. 

  5.  */
    6. 

  6. #include "asm/guest-state-buffer.h"
    7. 

  7. 

  8. struct p9_host_os_sprs {
    9. 

  9. 	unsigned long iamr;
    10. 

  10. 	unsigned long amr;
    11. 

  11. 

  12. 	unsigned int pmc1;
    13. 

  13. 	unsigned int pmc2;
    14. 

  14. 	unsigned int pmc3;
    15. 

  15. 	unsigned int pmc4;
    16. 

  16. 	unsigned int pmc5;
    17. 

  17. 	unsigned int pmc6;
    18. 

  18. 	unsigned long mmcr0;
    19. 

  19. 	unsigned long mmcr1;
    20. 

  20. 	unsigned long mmcr2;
    21. 

  21. 	unsigned long mmcr3;
    22. 

  22. 	unsigned long mmcra;
    23. 

  23. 	unsigned long siar;
    24. 

  24. 	unsigned long sier1;
    25. 

  25. 	unsigned long sier2;
    26. 

  26. 	unsigned long sier3;
    27. 

  27. 	unsigned long sdar;
    28. 

  28. };
    29. 

  29. 

  30. static inline bool nesting_enabled(struct kvm *kvm)
    31. 

  31. {
    32. 

  32. 	return kvm->arch.nested_enable && kvm_is_radix(kvm);
    33. 

  33. }
    34. 

  34. 

  35. bool load_vcpu_state(struct kvm_vcpu *vcpu,
    36. 

  36. 			   struct p9_host_os_sprs *host_os_sprs);
    37. 

  37. void store_vcpu_state(struct kvm_vcpu *vcpu);
    38. 

  38. void save_p9_host_os_sprs(struct p9_host_os_sprs *host_os_sprs);
    39. 

  39. void restore_p9_host_os_sprs(struct kvm_vcpu *vcpu,
    40. 

  40. 				    struct p9_host_os_sprs *host_os_sprs);
    41. 

  41. void switch_pmu_to_guest(struct kvm_vcpu *vcpu,
    42. 

  42. 			    struct p9_host_os_sprs *host_os_sprs);
    43. 

  43. void switch_pmu_to_host(struct kvm_vcpu *vcpu,
    44. 

  44. 			    struct p9_host_os_sprs *host_os_sprs);
    45. 

  45. 

  46. #ifdef CONFIG_KVM_BOOK3S_HV_P9_TIMING
    47. 

  47. void accumulate_time(struct kvm_vcpu *vcpu, struct kvmhv_tb_accumulator *next);
    48. 

  48. #define start_timing(vcpu, next) accumulate_time(vcpu, next)
    49. 

  49. #define end_timing(vcpu) accumulate_time(vcpu, NULL)
    50. 

  50. #else
    51. 

  51. #define accumulate_time(vcpu, next) do {} while (0)
    52. 

  52. #define start_timing(vcpu, next) do {} while (0)
    53. 

  53. #define end_timing(vcpu) do {} while (0)
    54. 

  54. #endif
    55. 

  55. 

  56. static inline void __kvmppc_set_msr_hv(struct kvm_vcpu *vcpu, u64 val)
    57. 

  57. {
    58. 

  58. 	vcpu->arch.shregs.msr = val;
    59. 

  59. 	kvmhv_nestedv2_mark_dirty(vcpu, KVMPPC_GSID_MSR);
    60. 

  60. }
    61. 

  61. 

  62. static inline u64 __kvmppc_get_msr_hv(struct kvm_vcpu *vcpu)
    63. 

  63. {
    64. 

  64. 	WARN_ON(kvmhv_nestedv2_cached_reload(vcpu, KVMPPC_GSID_MSR) < 0);
    65. 

  65. 	return vcpu->arch.shregs.msr;
    66. 

  66. }
    67. 

  67. 

  68. #define KVMPPC_BOOK3S_HV_VCPU_ACCESSOR_SET(reg, size, iden)		\
    69. 

  69. static inline void kvmppc_set_##reg ##_hv(struct kvm_vcpu *vcpu, u##size val)	\
    70. 

  70. {									\
    71. 

  71. 	vcpu->arch.reg = val;						\
    72. 

  72. 	kvmhv_nestedv2_mark_dirty(vcpu, iden);				\
    73. 

  73. }
    74. 

  74. 

  75. #define KVMPPC_BOOK3S_HV_VCPU_ACCESSOR_GET(reg, size, iden)		\
    76. 

  76. static inline u##size kvmppc_get_##reg ##_hv(struct kvm_vcpu *vcpu)	\
    77. 

  77. {									\
    78. 

  78. 	kvmhv_nestedv2_cached_reload(vcpu, iden);			\
    79. 

  79. 	return vcpu->arch.reg;						\
    80. 

  80. }
    81. 

  81. 

  82. #define KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(reg, size, iden)			\
    83. 

  83. 	KVMPPC_BOOK3S_HV_VCPU_ACCESSOR_SET(reg, size, iden)		\
    84. 

  84. 	KVMPPC_BOOK3S_HV_VCPU_ACCESSOR_GET(reg, size, iden)		\
    85. 

  85. 

  86. #define KVMPPC_BOOK3S_HV_VCPU_ARRAY_ACCESSOR_SET(reg, size, iden)	\
    87. 

  87. static inline void kvmppc_set_##reg ##_hv(struct kvm_vcpu *vcpu, int i, u##size val)	\
    88. 

  88. {									\
    89. 

  89. 	vcpu->arch.reg[i] = val;					\
    90. 

  90. 	kvmhv_nestedv2_mark_dirty(vcpu, iden(i));			\
    91. 

  91. }
    92. 

  92. 

  93. #define KVMPPC_BOOK3S_HV_VCPU_ARRAY_ACCESSOR_GET(reg, size, iden)	\
    94. 

  94. static inline u##size kvmppc_get_##reg ##_hv(struct kvm_vcpu *vcpu, int i)	\
    95. 

  95. {									\
    96. 

  96. 	WARN_ON(kvmhv_nestedv2_cached_reload(vcpu, iden(i)) < 0);	\
    97. 

  97. 	return vcpu->arch.reg[i];					\
    98. 

  98. }
    99. 

  99. 

  100. #define KVMPPC_BOOK3S_HV_VCPU_ARRAY_ACCESSOR(reg, size, iden)		\
    101. 

  101. 	KVMPPC_BOOK3S_HV_VCPU_ARRAY_ACCESSOR_SET(reg, size, iden)	\
    102. 

  102. 	KVMPPC_BOOK3S_HV_VCPU_ARRAY_ACCESSOR_GET(reg, size, iden)	\
    103. 

  103. 

  104. KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(mmcra, 64, KVMPPC_GSID_MMCRA)
    105. 

  105. KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(hfscr, 64, KVMPPC_GSID_HFSCR)
    106. 

  106. KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(fscr, 64, KVMPPC_GSID_FSCR)
    107. 

  107. KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(dscr, 64, KVMPPC_GSID_DSCR)
    108. 

  108. KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(purr, 64, KVMPPC_GSID_PURR)
    109. 

  109. KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(spurr, 64, KVMPPC_GSID_SPURR)
    110. 

  110. KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(amr, 64, KVMPPC_GSID_AMR)
    111. 

  111. KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(uamor, 64, KVMPPC_GSID_UAMOR)
    112. 

  112. KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(siar, 64, KVMPPC_GSID_SIAR)
    113. 

  113. KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(sdar, 64, KVMPPC_GSID_SDAR)
    114. 

  114. KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(iamr, 64, KVMPPC_GSID_IAMR)
    115. 

  115. KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(dawr0, 64, KVMPPC_GSID_DAWR0)
    116. 

  116. KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(dawr1, 64, KVMPPC_GSID_DAWR1)
    117. 

  117. KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(dawrx0, 64, KVMPPC_GSID_DAWRX0)
    118. 

  118. KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(dawrx1, 64, KVMPPC_GSID_DAWRX1)
    119. 

  119. KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(dexcr, 64, KVMPPC_GSID_DEXCR)
    120. 

  120. KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(hashkeyr, 64, KVMPPC_GSID_HASHKEYR)
    121. 

  121. KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(hashpkeyr, 64, KVMPPC_GSID_HASHPKEYR)
    122. 

  122. KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(ciabr, 64, KVMPPC_GSID_CIABR)
    123. 

  123. KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(wort, 64, KVMPPC_GSID_WORT)
    124. 

  124. KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(ppr, 64, KVMPPC_GSID_PPR)
    125. 

  125. KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(ctrl, 64, KVMPPC_GSID_CTRL);
    126. 

  126. 

  127. KVMPPC_BOOK3S_HV_VCPU_ARRAY_ACCESSOR(mmcr, 64, KVMPPC_GSID_MMCR)
    128. 

  128. KVMPPC_BOOK3S_HV_VCPU_ARRAY_ACCESSOR(sier, 64, KVMPPC_GSID_SIER)
    129. 

  129. KVMPPC_BOOK3S_HV_VCPU_ARRAY_ACCESSOR(pmc, 32, KVMPPC_GSID_PMC)
    130. 

  130. 

  131. KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(pspb, 32, KVMPPC_GSID_PSPB)
    132.