trace_handle_exit.h

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/* 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>