linux/arch/arm64/kvm/trace_handle_exit.h
Marc Zyngier 411d63d8c6 KVM: arm64: Upgrade trace_kvm_arm_set_dreg32() to 64bit
A number of registers pased to trace_kvm_arm_set_dreg32() are
actually 64bit. Upgrade the tracepoint to take a 64bit value,
despite the name...

Signed-off-by: Marc Zyngier <maz@kernel.org>
2021-08-20 11:12:18 +01:00

220 lines
4.9 KiB
C

/* 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>