arch/arm64/kvm/trace.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #if !defined(_TRACE_ARM64_KVM_H) || defined(TRACE_HEADER_MULTI_READ)
   3 #define _TRACE_ARM64_KVM_H
   4
   5 #include <linux/tracepoint.h>
   6 #include "sys_regs.h"
   7
   8 #undef TRACE_SYSTEM
   9 #define TRACE_SYSTEM kvm
  10
  11 TRACE_EVENT(kvm_wfx_arm64,
  12         TP_PROTO(unsigned long vcpu_pc, bool is_wfe),
  13         TP_ARGS(vcpu_pc, is_wfe),
  14
  15         TP_STRUCT__entry(
  16                 __field(unsigned long,  vcpu_pc)
  17                 __field(bool,           is_wfe)
  18         ),
  19
  20         TP_fast_assign(
  21                 __entry->vcpu_pc = vcpu_pc;
  22                 __entry->is_wfe  = is_wfe;
  23         ),
  24
  25         TP_printk("guest executed wf%c at: 0x%08lx",
  26                   __entry->is_wfe ? 'e' : 'i', __entry->vcpu_pc)
  27 );
  28
  29 TRACE_EVENT(kvm_hvc_arm64,
  30         TP_PROTO(unsigned long vcpu_pc, unsigned long r0, unsigned long imm),
  31         TP_ARGS(vcpu_pc, r0, imm),
  32
  33         TP_STRUCT__entry(
  34                 __field(unsigned long, vcpu_pc)
  35                 __field(unsigned long, r0)
  36                 __field(unsigned long, imm)
  37         ),
  38
  39         TP_fast_assign(
  40                 __entry->vcpu_pc = vcpu_pc;
  41                 __entry->r0 = r0;
  42                 __entry->imm = imm;
  43         ),
  44
  45         TP_printk("HVC at 0x%08lx (r0: 0x%08lx, imm: 0x%lx)",
  46                   __entry->vcpu_pc, __entry->r0, __entry->imm)
  47 );
  48
  49 TRACE_EVENT(kvm_arm_setup_debug,
  50         TP_PROTO(struct kvm_vcpu *vcpu, __u32 guest_debug),
  51         TP_ARGS(vcpu, guest_debug),
  52
  53         TP_STRUCT__entry(
  54                 __field(struct kvm_vcpu *, vcpu)
  55                 __field(__u32, guest_debug)
  56         ),
  57
  58         TP_fast_assign(
  59                 __entry->vcpu = vcpu;
  60                 __entry->guest_debug = guest_debug;
  61         ),
  62
  63         TP_printk("vcpu: %p, flags: 0x%08x", __entry->vcpu, __entry->guest_debug)
  64 );
  65
  66 TRACE_EVENT(kvm_arm_clear_debug,
  67         TP_PROTO(__u32 guest_debug),
  68         TP_ARGS(guest_debug),
  69
  70         TP_STRUCT__entry(
  71                 __field(__u32, guest_debug)
  72         ),
  73
  74         TP_fast_assign(
  75                 __entry->guest_debug = guest_debug;
  76         ),
  77
  78         TP_printk("flags: 0x%08x", __entry->guest_debug)
  79 );
  80
  81 TRACE_EVENT(kvm_arm_set_dreg32,
  82         TP_PROTO(const char *name, __u32 value),
  83         TP_ARGS(name, value),
  84
  85         TP_STRUCT__entry(
  86                 __field(const char *, name)
  87                 __field(__u32, value)
  88         ),
  89
  90         TP_fast_assign(
  91                 __entry->name = name;
  92                 __entry->value = value;
  93         ),
  94
  95         TP_printk("%s: 0x%08x", __entry->name, __entry->value)
  96 );
  97
  98 TRACE_DEFINE_SIZEOF(__u64);
  99
 100 TRACE_EVENT(kvm_arm_set_regset,
 101         TP_PROTO(const char *type, int len, __u64 *control, __u64 *value),
 102         TP_ARGS(type, len, control, value),
 103         TP_STRUCT__entry(
 104                 __field(const char *, name)
 105                 __field(int, len)
 106                 __array(u64, ctrls, 16)
 107                 __array(u64, values, 16)
 108         ),
 109         TP_fast_assign(
 110                 __entry->name = type;
 111                 __entry->len = len;
 112                 memcpy(__entry->ctrls, control, len << 3);
 113                 memcpy(__entry->values, value, len << 3);
 114         ),
 115         TP_printk("%d %s CTRL:%s VALUE:%s", __entry->len, __entry->name,
 116                 __print_array(__entry->ctrls, __entry->len, sizeof(__u64)),
 117                 __print_array(__entry->values, __entry->len, sizeof(__u64)))
 118 );
 119
 120 TRACE_EVENT(trap_reg,
 121         TP_PROTO(const char *fn, int reg, bool is_write, u64 write_value),
 122         TP_ARGS(fn, reg, is_write, write_value),
 123
 124         TP_STRUCT__entry(
 125                 __field(const char *, fn)
 126                 __field(int, reg)
 127                 __field(bool, is_write)
 128                 __field(u64, write_value)
 129         ),
 130
 131         TP_fast_assign(
 132                 __entry->fn = fn;
 133                 __entry->reg = reg;
 134                 __entry->is_write = is_write;
 135                 __entry->write_value = write_value;
 136         ),
 137
 138         TP_printk("%s %s reg %d (0x%08llx)", __entry->fn,  __entry->is_write?"write to":"read from", __entry->reg, __entry->write_value)
 139 );
 140
 141 TRACE_EVENT(kvm_handle_sys_reg,
 142         TP_PROTO(unsigned long hsr),
 143         TP_ARGS(hsr),
 144
 145         TP_STRUCT__entry(
 146                 __field(unsigned long,  hsr)
 147         ),
 148
 149         TP_fast_assign(
 150                 __entry->hsr = hsr;
 151         ),
 152
 153         TP_printk("HSR 0x%08lx", __entry->hsr)
 154 );
 155
 156 TRACE_EVENT(kvm_sys_access,
 157         TP_PROTO(unsigned long vcpu_pc, struct sys_reg_params *params, const struct sys_reg_desc *reg),
 158         TP_ARGS(vcpu_pc, params, reg),
 159
 160         TP_STRUCT__entry(
 161                 __field(unsigned long,                  vcpu_pc)
 162                 __field(bool,                           is_write)
 163                 __field(const char *,                   name)
 164                 __field(u8,                             Op0)
 165                 __field(u8,                             Op1)
 166                 __field(u8,                             CRn)
 167                 __field(u8,                             CRm)
 168                 __field(u8,                             Op2)
 169         ),
 170
 171         TP_fast_assign(
 172                 __entry->vcpu_pc = vcpu_pc;
 173                 __entry->is_write = params->is_write;
 174                 __entry->name = reg->name;
 175                 __entry->Op0 = reg->Op0;
 176                 __entry->Op0 = reg->Op0;
 177                 __entry->Op1 = reg->Op1;
 178                 __entry->CRn = reg->CRn;
 179                 __entry->CRm = reg->CRm;
 180                 __entry->Op2 = reg->Op2;
 181         ),
 182
 183         TP_printk("PC: %lx %s (%d,%d,%d,%d,%d) %s",
 184                   __entry->vcpu_pc, __entry->name ?: "UNKN",
 185                   __entry->Op0, __entry->Op1, __entry->CRn,
 186                   __entry->CRm, __entry->Op2,
 187                   __entry->is_write ? "write" : "read")
 188 );
 189
 190 TRACE_EVENT(kvm_set_guest_debug,
 191         TP_PROTO(struct kvm_vcpu *vcpu, __u32 guest_debug),
 192         TP_ARGS(vcpu, guest_debug),
 193
 194         TP_STRUCT__entry(
 195                 __field(struct kvm_vcpu *, vcpu)
 196                 __field(__u32, guest_debug)
 197         ),
 198
 199         TP_fast_assign(
 200                 __entry->vcpu = vcpu;
 201                 __entry->guest_debug = guest_debug;
 202         ),
 203
 204         TP_printk("vcpu: %p, flags: 0x%08x", __entry->vcpu, __entry->guest_debug)
 205 );
 206
 207
 208 #endif /* _TRACE_ARM64_KVM_H */
 209
 210 #undef TRACE_INCLUDE_PATH
 211 #define TRACE_INCLUDE_PATH .
 212 #undef TRACE_INCLUDE_FILE
 213 #define TRACE_INCLUDE_FILE trace
 214
 215 /* This part must be outside protection */
 216 #include <trace/define_trace.h>