trace_handle_exit.h 4.9 KB

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  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. #if !defined(_TRACE_HANDLE_EXIT_ARM64_KVM_H) || defined(TRACE_HEADER_MULTI_READ)
  3. #define _TRACE_HANDLE_EXIT_ARM64_KVM_H
  4. #include <linux/tracepoint.h>
  5. #include "sys_regs.h"
  6. #undef TRACE_SYSTEM
  7. #define TRACE_SYSTEM kvm
  8. TRACE_EVENT(kvm_wfx_arm64,
  9. TP_PROTO(unsigned long vcpu_pc, bool is_wfe),
  10. TP_ARGS(vcpu_pc, is_wfe),
  11. TP_STRUCT__entry(
  12. __field(unsigned long, vcpu_pc)
  13. __field(bool, is_wfe)
  14. ),
  15. TP_fast_assign(
  16. __entry->vcpu_pc = vcpu_pc;
  17. __entry->is_wfe = is_wfe;
  18. ),
  19. TP_printk("guest executed wf%c at: 0x%016lx",
  20. __entry->is_wfe ? 'e' : 'i', __entry->vcpu_pc)
  21. );
  22. TRACE_EVENT(kvm_hvc_arm64,
  23. TP_PROTO(unsigned long vcpu_pc, unsigned long r0, unsigned long imm),
  24. TP_ARGS(vcpu_pc, r0, imm),
  25. TP_STRUCT__entry(
  26. __field(unsigned long, vcpu_pc)
  27. __field(unsigned long, r0)
  28. __field(unsigned long, imm)
  29. ),
  30. TP_fast_assign(
  31. __entry->vcpu_pc = vcpu_pc;
  32. __entry->r0 = r0;
  33. __entry->imm = imm;
  34. ),
  35. TP_printk("HVC at 0x%016lx (r0: 0x%016lx, imm: 0x%lx)",
  36. __entry->vcpu_pc, __entry->r0, __entry->imm)
  37. );
  38. TRACE_EVENT(kvm_arm_setup_debug,
  39. TP_PROTO(struct kvm_vcpu *vcpu, __u32 guest_debug),
  40. TP_ARGS(vcpu, guest_debug),
  41. TP_STRUCT__entry(
  42. __field(struct kvm_vcpu *, vcpu)
  43. __field(__u32, guest_debug)
  44. ),
  45. TP_fast_assign(
  46. __entry->vcpu = vcpu;
  47. __entry->guest_debug = guest_debug;
  48. ),
  49. TP_printk("vcpu: %p, flags: 0x%08x", __entry->vcpu, __entry->guest_debug)
  50. );
  51. TRACE_EVENT(kvm_arm_clear_debug,
  52. TP_PROTO(__u32 guest_debug),
  53. TP_ARGS(guest_debug),
  54. TP_STRUCT__entry(
  55. __field(__u32, guest_debug)
  56. ),
  57. TP_fast_assign(
  58. __entry->guest_debug = guest_debug;
  59. ),
  60. TP_printk("flags: 0x%08x", __entry->guest_debug)
  61. );
  62. /*
  63. * The dreg32 name is a leftover from a distant past. This will really
  64. * output a 64bit value...
  65. */
  66. TRACE_EVENT(kvm_arm_set_dreg32,
  67. TP_PROTO(const char *name, __u64 value),
  68. TP_ARGS(name, value),
  69. TP_STRUCT__entry(
  70. __field(const char *, name)
  71. __field(__u64, value)
  72. ),
  73. TP_fast_assign(
  74. __entry->name = name;
  75. __entry->value = value;
  76. ),
  77. TP_printk("%s: 0x%llx", __entry->name, __entry->value)
  78. );
  79. TRACE_DEFINE_SIZEOF(__u64);
  80. TRACE_EVENT(kvm_arm_set_regset,
  81. TP_PROTO(const char *type, int len, __u64 *control, __u64 *value),
  82. TP_ARGS(type, len, control, value),
  83. TP_STRUCT__entry(
  84. __field(const char *, name)
  85. __field(int, len)
  86. __array(u64, ctrls, 16)
  87. __array(u64, values, 16)
  88. ),
  89. TP_fast_assign(
  90. __entry->name = type;
  91. __entry->len = len;
  92. memcpy(__entry->ctrls, control, len << 3);
  93. memcpy(__entry->values, value, len << 3);
  94. ),
  95. TP_printk("%d %s CTRL:%s VALUE:%s", __entry->len, __entry->name,
  96. __print_array(__entry->ctrls, __entry->len, sizeof(__u64)),
  97. __print_array(__entry->values, __entry->len, sizeof(__u64)))
  98. );
  99. TRACE_EVENT(trap_reg,
  100. TP_PROTO(const char *fn, int reg, bool is_write, u64 write_value),
  101. TP_ARGS(fn, reg, is_write, write_value),
  102. TP_STRUCT__entry(
  103. __field(const char *, fn)
  104. __field(int, reg)
  105. __field(bool, is_write)
  106. __field(u64, write_value)
  107. ),
  108. TP_fast_assign(
  109. __entry->fn = fn;
  110. __entry->reg = reg;
  111. __entry->is_write = is_write;
  112. __entry->write_value = write_value;
  113. ),
  114. TP_printk("%s %s reg %d (0x%016llx)", __entry->fn, __entry->is_write?"write to":"read from", __entry->reg, __entry->write_value)
  115. );
  116. TRACE_EVENT(kvm_handle_sys_reg,
  117. TP_PROTO(unsigned long hsr),
  118. TP_ARGS(hsr),
  119. TP_STRUCT__entry(
  120. __field(unsigned long, hsr)
  121. ),
  122. TP_fast_assign(
  123. __entry->hsr = hsr;
  124. ),
  125. TP_printk("HSR 0x%08lx", __entry->hsr)
  126. );
  127. TRACE_EVENT(kvm_sys_access,
  128. TP_PROTO(unsigned long vcpu_pc, struct sys_reg_params *params, const struct sys_reg_desc *reg),
  129. TP_ARGS(vcpu_pc, params, reg),
  130. TP_STRUCT__entry(
  131. __field(unsigned long, vcpu_pc)
  132. __field(bool, is_write)
  133. __field(const char *, name)
  134. __field(u8, Op0)
  135. __field(u8, Op1)
  136. __field(u8, CRn)
  137. __field(u8, CRm)
  138. __field(u8, Op2)
  139. ),
  140. TP_fast_assign(
  141. __entry->vcpu_pc = vcpu_pc;
  142. __entry->is_write = params->is_write;
  143. __entry->name = reg->name;
  144. __entry->Op0 = reg->Op0;
  145. __entry->Op0 = reg->Op0;
  146. __entry->Op1 = reg->Op1;
  147. __entry->CRn = reg->CRn;
  148. __entry->CRm = reg->CRm;
  149. __entry->Op2 = reg->Op2;
  150. ),
  151. TP_printk("PC: %lx %s (%d,%d,%d,%d,%d) %s",
  152. __entry->vcpu_pc, __entry->name ?: "UNKN",
  153. __entry->Op0, __entry->Op1, __entry->CRn,
  154. __entry->CRm, __entry->Op2,
  155. __entry->is_write ? "write" : "read")
  156. );
  157. TRACE_EVENT(kvm_set_guest_debug,
  158. TP_PROTO(struct kvm_vcpu *vcpu, __u32 guest_debug),
  159. TP_ARGS(vcpu, guest_debug),
  160. TP_STRUCT__entry(
  161. __field(struct kvm_vcpu *, vcpu)
  162. __field(__u32, guest_debug)
  163. ),
  164. TP_fast_assign(
  165. __entry->vcpu = vcpu;
  166. __entry->guest_debug = guest_debug;
  167. ),
  168. TP_printk("vcpu: %p, flags: 0x%08x", __entry->vcpu, __entry->guest_debug)
  169. );
  170. #endif /* _TRACE_HANDLE_EXIT_ARM64_KVM_H */
  171. #undef TRACE_INCLUDE_PATH
  172. #define TRACE_INCLUDE_PATH .
  173. #undef TRACE_INCLUDE_FILE
  174. #define TRACE_INCLUDE_FILE trace_handle_exit
  175. /* This part must be outside protection */
  176. #include <trace/define_trace.h>