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-rw-r--r--arch/arm64/kvm/trace_handle_exit.h219
1 files changed, 219 insertions, 0 deletions
diff --git a/arch/arm64/kvm/trace_handle_exit.h b/arch/arm64/kvm/trace_handle_exit.h
new file mode 100644
index 000000000..064a58c19
--- /dev/null
+++ b/arch/arm64/kvm/trace_handle_exit.h
@@ -0,0 +1,219 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#if !defined(_TRACE_HANDLE_EXIT_ARM64_KVM_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HANDLE_EXIT_ARM64_KVM_H
+
+#include <linux/tracepoint.h>
+#include "sys_regs.h"
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM kvm
+
+TRACE_EVENT(kvm_wfx_arm64,
+ TP_PROTO(unsigned long vcpu_pc, bool is_wfe),
+ TP_ARGS(vcpu_pc, is_wfe),
+
+ TP_STRUCT__entry(
+ __field(unsigned long, vcpu_pc)
+ __field(bool, is_wfe)
+ ),
+
+ TP_fast_assign(
+ __entry->vcpu_pc = vcpu_pc;
+ __entry->is_wfe = is_wfe;
+ ),
+
+ TP_printk("guest executed wf%c at: 0x%016lx",
+ __entry->is_wfe ? 'e' : 'i', __entry->vcpu_pc)
+);
+
+TRACE_EVENT(kvm_hvc_arm64,
+ TP_PROTO(unsigned long vcpu_pc, unsigned long r0, unsigned long imm),
+ TP_ARGS(vcpu_pc, r0, imm),
+
+ TP_STRUCT__entry(
+ __field(unsigned long, vcpu_pc)
+ __field(unsigned long, r0)
+ __field(unsigned long, imm)
+ ),
+
+ TP_fast_assign(
+ __entry->vcpu_pc = vcpu_pc;
+ __entry->r0 = r0;
+ __entry->imm = imm;
+ ),
+
+ TP_printk("HVC at 0x%016lx (r0: 0x%016lx, imm: 0x%lx)",
+ __entry->vcpu_pc, __entry->r0, __entry->imm)
+);
+
+TRACE_EVENT(kvm_arm_setup_debug,
+ TP_PROTO(struct kvm_vcpu *vcpu, __u32 guest_debug),
+ TP_ARGS(vcpu, guest_debug),
+
+ TP_STRUCT__entry(
+ __field(struct kvm_vcpu *, vcpu)
+ __field(__u32, guest_debug)
+ ),
+
+ TP_fast_assign(
+ __entry->vcpu = vcpu;
+ __entry->guest_debug = guest_debug;
+ ),
+
+ TP_printk("vcpu: %p, flags: 0x%08x", __entry->vcpu, __entry->guest_debug)
+);
+
+TRACE_EVENT(kvm_arm_clear_debug,
+ TP_PROTO(__u32 guest_debug),
+ TP_ARGS(guest_debug),
+
+ TP_STRUCT__entry(
+ __field(__u32, guest_debug)
+ ),
+
+ TP_fast_assign(
+ __entry->guest_debug = guest_debug;
+ ),
+
+ TP_printk("flags: 0x%08x", __entry->guest_debug)
+);
+
+/*
+ * The dreg32 name is a leftover from a distant past. This will really
+ * output a 64bit value...
+ */
+TRACE_EVENT(kvm_arm_set_dreg32,
+ TP_PROTO(const char *name, __u64 value),
+ TP_ARGS(name, value),
+
+ TP_STRUCT__entry(
+ __field(const char *, name)
+ __field(__u64, value)
+ ),
+
+ TP_fast_assign(
+ __entry->name = name;
+ __entry->value = value;
+ ),
+
+ TP_printk("%s: 0x%llx", __entry->name, __entry->value)
+);
+
+TRACE_DEFINE_SIZEOF(__u64);
+
+TRACE_EVENT(kvm_arm_set_regset,
+ TP_PROTO(const char *type, int len, __u64 *control, __u64 *value),
+ TP_ARGS(type, len, control, value),
+ TP_STRUCT__entry(
+ __field(const char *, name)
+ __field(int, len)
+ __array(u64, ctrls, 16)
+ __array(u64, values, 16)
+ ),
+ TP_fast_assign(
+ __entry->name = type;
+ __entry->len = len;
+ memcpy(__entry->ctrls, control, len << 3);
+ memcpy(__entry->values, value, len << 3);
+ ),
+ TP_printk("%d %s CTRL:%s VALUE:%s", __entry->len, __entry->name,
+ __print_array(__entry->ctrls, __entry->len, sizeof(__u64)),
+ __print_array(__entry->values, __entry->len, sizeof(__u64)))
+);
+
+TRACE_EVENT(trap_reg,
+ TP_PROTO(const char *fn, int reg, bool is_write, u64 write_value),
+ TP_ARGS(fn, reg, is_write, write_value),
+
+ TP_STRUCT__entry(
+ __field(const char *, fn)
+ __field(int, reg)
+ __field(bool, is_write)
+ __field(u64, write_value)
+ ),
+
+ TP_fast_assign(
+ __entry->fn = fn;
+ __entry->reg = reg;
+ __entry->is_write = is_write;
+ __entry->write_value = write_value;
+ ),
+
+ TP_printk("%s %s reg %d (0x%016llx)", __entry->fn, __entry->is_write?"write to":"read from", __entry->reg, __entry->write_value)
+);
+
+TRACE_EVENT(kvm_handle_sys_reg,
+ TP_PROTO(unsigned long hsr),
+ TP_ARGS(hsr),
+
+ TP_STRUCT__entry(
+ __field(unsigned long, hsr)
+ ),
+
+ TP_fast_assign(
+ __entry->hsr = hsr;
+ ),
+
+ TP_printk("HSR 0x%08lx", __entry->hsr)
+);
+
+TRACE_EVENT(kvm_sys_access,
+ TP_PROTO(unsigned long vcpu_pc, struct sys_reg_params *params, const struct sys_reg_desc *reg),
+ TP_ARGS(vcpu_pc, params, reg),
+
+ TP_STRUCT__entry(
+ __field(unsigned long, vcpu_pc)
+ __field(bool, is_write)
+ __field(const char *, name)
+ __field(u8, Op0)
+ __field(u8, Op1)
+ __field(u8, CRn)
+ __field(u8, CRm)
+ __field(u8, Op2)
+ ),
+
+ TP_fast_assign(
+ __entry->vcpu_pc = vcpu_pc;
+ __entry->is_write = params->is_write;
+ __entry->name = reg->name;
+ __entry->Op0 = reg->Op0;
+ __entry->Op0 = reg->Op0;
+ __entry->Op1 = reg->Op1;
+ __entry->CRn = reg->CRn;
+ __entry->CRm = reg->CRm;
+ __entry->Op2 = reg->Op2;
+ ),
+
+ TP_printk("PC: %lx %s (%d,%d,%d,%d,%d) %s",
+ __entry->vcpu_pc, __entry->name ?: "UNKN",
+ __entry->Op0, __entry->Op1, __entry->CRn,
+ __entry->CRm, __entry->Op2,
+ __entry->is_write ? "write" : "read")
+);
+
+TRACE_EVENT(kvm_set_guest_debug,
+ TP_PROTO(struct kvm_vcpu *vcpu, __u32 guest_debug),
+ TP_ARGS(vcpu, guest_debug),
+
+ TP_STRUCT__entry(
+ __field(struct kvm_vcpu *, vcpu)
+ __field(__u32, guest_debug)
+ ),
+
+ TP_fast_assign(
+ __entry->vcpu = vcpu;
+ __entry->guest_debug = guest_debug;
+ ),
+
+ TP_printk("vcpu: %p, flags: 0x%08x", __entry->vcpu, __entry->guest_debug)
+);
+
+#endif /* _TRACE_HANDLE_EXIT_ARM64_KVM_H */
+
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_FILE trace_handle_exit
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>