Quelle  trace.h   Sprache: C

/* SPDX-License-Identifier: GPL-2.0 */
#if !defined(_TRACE_KVM_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_KVM_H

#include <linux/tracepoint.h>
#include <asm/sie.h>
#include <asm/debug.h>
#include <asm/dis.h>

#undef TRACE_SYSTEM
#define TRACE_SYSTEM kvm
#define TRACE_INCLUDE_PATH .
#undef TRACE_INCLUDE_FILE
#define TRACE_INCLUDE_FILE trace

/*
 * Helpers for vcpu-specific tracepoints containing the same information
 * as s390dbf VCPU_EVENTs.
 */
#define VCPU_PROTO_COMMON struct kvm_vcpu *vcpu
#define VCPU_ARGS_COMMON vcpu
#define VCPU_FIELD_COMMON __field(int, id)   \
 __field(unsigned long, pswmask)    \
 __field(unsigned long, pswaddr)
#define VCPU_ASSIGN_COMMON do {      \
 __entry->id = vcpu->vcpu_id;     \
 __entry->pswmask = vcpu->arch.sie_block->gpsw.mask;  \
 __entry->pswaddr = vcpu->arch.sie_block->gpsw.addr;  \
 } while (0);
#define VCPU_TP_PRINTK(p_str, p_args...)    \
 TP_printk("%02d[%016lx-%016lx]: " p_str, __entry->id,  \
    __entry->pswmask, __entry->pswaddr, p_args)

TRACE_EVENT(kvm_s390_skey_related_inst,
     TP_PROTO(VCPU_PROTO_COMMON),
     TP_ARGS(VCPU_ARGS_COMMON),

     TP_STRUCT__entry(
      VCPU_FIELD_COMMON
      ),

     TP_fast_assign(
      VCPU_ASSIGN_COMMON
      ),
     VCPU_TP_PRINTK("%s", "storage key related instruction")
 );

TRACE_EVENT(kvm_s390_major_guest_pfault,
     TP_PROTO(VCPU_PROTO_COMMON),
     TP_ARGS(VCPU_ARGS_COMMON),

     TP_STRUCT__entry(
      VCPU_FIELD_COMMON
      ),

     TP_fast_assign(
      VCPU_ASSIGN_COMMON
      ),
     VCPU_TP_PRINTK("%s", "major fault, maybe applicable for pfault")
 );

TRACE_EVENT(kvm_s390_pfault_init,
     TP_PROTO(VCPU_PROTO_COMMON, long pfault_token),
     TP_ARGS(VCPU_ARGS_COMMON, pfault_token),

     TP_STRUCT__entry(
      VCPU_FIELD_COMMON
      __field(long, pfault_token)
      ),

     TP_fast_assign(
      VCPU_ASSIGN_COMMON
      __entry->pfault_token = pfault_token;
      ),
     VCPU_TP_PRINTK("init pfault token %ld", __entry->pfault_token)
 );

TRACE_EVENT(kvm_s390_pfault_done,
     TP_PROTO(VCPU_PROTO_COMMON, long pfault_token),
     TP_ARGS(VCPU_ARGS_COMMON, pfault_token),

     TP_STRUCT__entry(
      VCPU_FIELD_COMMON
      __field(long, pfault_token)
      ),

     TP_fast_assign(
      VCPU_ASSIGN_COMMON
      __entry->pfault_token = pfault_token;
      ),
     VCPU_TP_PRINTK("done pfault token %ld", __entry->pfault_token)
 );

/*
 * Tracepoints for SIE entry and exit.
 */
TRACE_EVENT(kvm_s390_sie_enter,
     TP_PROTO(VCPU_PROTO_COMMON, int cpuflags),
     TP_ARGS(VCPU_ARGS_COMMON, cpuflags),

     TP_STRUCT__entry(
      VCPU_FIELD_COMMON
      __field(int, cpuflags)
      ),

     TP_fast_assign(
      VCPU_ASSIGN_COMMON
      __entry->cpuflags = cpuflags;
      ),

     VCPU_TP_PRINTK("entering sie flags %x", __entry->cpuflags)
 );

TRACE_EVENT(kvm_s390_sie_fault,
     TP_PROTO(VCPU_PROTO_COMMON),
     TP_ARGS(VCPU_ARGS_COMMON),

     TP_STRUCT__entry(
      VCPU_FIELD_COMMON
      ),

     TP_fast_assign(
      VCPU_ASSIGN_COMMON
      ),

     VCPU_TP_PRINTK("%s", "fault in sie instruction")
 );

TRACE_EVENT(kvm_s390_sie_exit,
     TP_PROTO(VCPU_PROTO_COMMON, u8 icptcode),
     TP_ARGS(VCPU_ARGS_COMMON, icptcode),

     TP_STRUCT__entry(
      VCPU_FIELD_COMMON
      __field(u8, icptcode)
      ),

     TP_fast_assign(
      VCPU_ASSIGN_COMMON
      __entry->icptcode = icptcode;
      ),

     VCPU_TP_PRINTK("exit sie icptcode %d (%s)", __entry->icptcode,
      __print_symbolic(__entry->icptcode,
         sie_intercept_code))
 );

/*
 * Trace point for intercepted instructions.
 */
TRACE_EVENT(kvm_s390_intercept_instruction,
     TP_PROTO(VCPU_PROTO_COMMON, __u16 ipa, __u32 ipb),
     TP_ARGS(VCPU_ARGS_COMMON, ipa, ipb),

     TP_STRUCT__entry(
      VCPU_FIELD_COMMON
      __field(__u64, instruction)
      ),

     TP_fast_assign(
      VCPU_ASSIGN_COMMON
      __entry->instruction = ((__u64)ipa << 48) |
      ((__u64)ipb << 16);
      ),

     VCPU_TP_PRINTK("intercepted instruction %016llx (%s)",
      __entry->instruction,
      __print_symbolic(icpt_insn_decoder(__entry->instruction),
         icpt_insn_codes))
 );

/*
 * Trace point for intercepted program interruptions.
 */
TRACE_EVENT(kvm_s390_intercept_prog,
     TP_PROTO(VCPU_PROTO_COMMON, __u16 code),
     TP_ARGS(VCPU_ARGS_COMMON, code),

     TP_STRUCT__entry(
      VCPU_FIELD_COMMON
      __field(__u16, code)
      ),

     TP_fast_assign(
      VCPU_ASSIGN_COMMON
      __entry->code = code;
      ),

     VCPU_TP_PRINTK("intercepted program interruption %04x (%s)",
      __entry->code,
      __print_symbolic(__entry->code,
         icpt_prog_codes))
 );

/*
 * Trace point for validity intercepts.
 */
TRACE_EVENT(kvm_s390_intercept_validity,
     TP_PROTO(VCPU_PROTO_COMMON, __u16 viwhy),
     TP_ARGS(VCPU_ARGS_COMMON, viwhy),

     TP_STRUCT__entry(
      VCPU_FIELD_COMMON
      __field(__u16, viwhy)
      ),

     TP_fast_assign(
      VCPU_ASSIGN_COMMON
      __entry->viwhy = viwhy;
      ),

     VCPU_TP_PRINTK("got validity intercept %04x", __entry->viwhy)
 );

/*
 * Trace points for instructions that are of special interest.
 */

TRACE_EVENT(kvm_s390_handle_sigp,
     TP_PROTO(VCPU_PROTO_COMMON, __u8 order_code, __u16 cpu_addr, \
       __u32 parameter),
     TP_ARGS(VCPU_ARGS_COMMON, order_code, cpu_addr, parameter),

     TP_STRUCT__entry(
      VCPU_FIELD_COMMON
      __field(__u8, order_code)
      __field(__u16, cpu_addr)
      __field(__u32, parameter)
      ),

     TP_fast_assign(
      VCPU_ASSIGN_COMMON
      __entry->order_code = order_code;
      __entry->cpu_addr = cpu_addr;
      __entry->parameter = parameter;
      ),

     VCPU_TP_PRINTK("handle sigp order %02x (%s), cpu address %04x, " \
      "parameter %08x", __entry->order_code,
      __print_symbolic(__entry->order_code,
         sigp_order_codes),
      __entry->cpu_addr, __entry->parameter)
 );

TRACE_EVENT(kvm_s390_handle_sigp_pei,
     TP_PROTO(VCPU_PROTO_COMMON, __u8 order_code, __u16 cpu_addr),
     TP_ARGS(VCPU_ARGS_COMMON, order_code, cpu_addr),

     TP_STRUCT__entry(
      VCPU_FIELD_COMMON
      __field(__u8, order_code)
      __field(__u16, cpu_addr)
      ),

     TP_fast_assign(
      VCPU_ASSIGN_COMMON
      __entry->order_code = order_code;
      __entry->cpu_addr = cpu_addr;
      ),

     VCPU_TP_PRINTK("handle sigp pei order %02x (%s), cpu address %04x",
      __entry->order_code,
      __print_symbolic(__entry->order_code,
         sigp_order_codes),
      __entry->cpu_addr)
 );

TRACE_EVENT(kvm_s390_handle_diag,
     TP_PROTO(VCPU_PROTO_COMMON, __u16 code),
     TP_ARGS(VCPU_ARGS_COMMON, code),

     TP_STRUCT__entry(
      VCPU_FIELD_COMMON
      __field(__u16, code)
      ),

     TP_fast_assign(
      VCPU_ASSIGN_COMMON
      __entry->code = code;
      ),

     VCPU_TP_PRINTK("handle diagnose call %04x (%s)", __entry->code,
      __print_symbolic(__entry->code, diagnose_codes))
 );

TRACE_EVENT(kvm_s390_handle_lctl,
     TP_PROTO(VCPU_PROTO_COMMON, int g, int reg1, int reg3, u64 addr),
     TP_ARGS(VCPU_ARGS_COMMON, g, reg1, reg3, addr),

     TP_STRUCT__entry(
      VCPU_FIELD_COMMON
      __field(int, g)
      __field(int, reg1)
      __field(int, reg3)
      __field(u64, addr)
      ),

     TP_fast_assign(
      VCPU_ASSIGN_COMMON
      __entry->g = g;
      __entry->reg1 = reg1;
      __entry->reg3 = reg3;
      __entry->addr = addr;
      ),

     VCPU_TP_PRINTK("%s: loading cr %x-%x from %016llx",
      __entry->g ? "lctlg" : "lctl",
      __entry->reg1, __entry->reg3, __entry->addr)
 );

TRACE_EVENT(kvm_s390_handle_stctl,
     TP_PROTO(VCPU_PROTO_COMMON, int g, int reg1, int reg3, u64 addr),
     TP_ARGS(VCPU_ARGS_COMMON, g, reg1, reg3, addr),

     TP_STRUCT__entry(
      VCPU_FIELD_COMMON
      __field(int, g)
      __field(int, reg1)
      __field(int, reg3)
      __field(u64, addr)
      ),

     TP_fast_assign(
      VCPU_ASSIGN_COMMON
      __entry->g = g;
      __entry->reg1 = reg1;
      __entry->reg3 = reg3;
      __entry->addr = addr;
      ),

     VCPU_TP_PRINTK("%s: storing cr %x-%x to %016llx",
      __entry->g ? "stctg" : "stctl",
      __entry->reg1, __entry->reg3, __entry->addr)
 );

TRACE_EVENT(kvm_s390_handle_prefix,
     TP_PROTO(VCPU_PROTO_COMMON, int set, u32 address),
     TP_ARGS(VCPU_ARGS_COMMON, set, address),

     TP_STRUCT__entry(
      VCPU_FIELD_COMMON
      __field(int, set)
      __field(u32, address)
      ),

     TP_fast_assign(
      VCPU_ASSIGN_COMMON
      __entry->set = set;
      __entry->address = address;
      ),

     VCPU_TP_PRINTK("%s prefix to %08x",
      __entry->set ? "setting" : "storing",
      __entry->address)
 );

TRACE_EVENT(kvm_s390_handle_stap,
     TP_PROTO(VCPU_PROTO_COMMON, u64 address),
     TP_ARGS(VCPU_ARGS_COMMON, address),

     TP_STRUCT__entry(
      VCPU_FIELD_COMMON
      __field(u64, address)
      ),

     TP_fast_assign(
      VCPU_ASSIGN_COMMON
      __entry->address = address;
      ),

     VCPU_TP_PRINTK("storing cpu address to %016llx",
      __entry->address)
 );

TRACE_EVENT(kvm_s390_handle_stfl,
     TP_PROTO(VCPU_PROTO_COMMON, unsigned int facility_list),
     TP_ARGS(VCPU_ARGS_COMMON, facility_list),

     TP_STRUCT__entry(
      VCPU_FIELD_COMMON
      __field(unsigned int, facility_list)
      ),

     TP_fast_assign(
      VCPU_ASSIGN_COMMON
      __entry->facility_list = facility_list;
      ),

     VCPU_TP_PRINTK("store facility list value %08x",
      __entry->facility_list)
 );

TRACE_EVENT(kvm_s390_handle_stsi,
     TP_PROTO(VCPU_PROTO_COMMON, int fc, int sel1, int sel2, u64 addr),
     TP_ARGS(VCPU_ARGS_COMMON, fc, sel1, sel2, addr),

     TP_STRUCT__entry(
      VCPU_FIELD_COMMON
      __field(int, fc)
      __field(int, sel1)
      __field(int, sel2)
      __field(u64, addr)
      ),

     TP_fast_assign(
      VCPU_ASSIGN_COMMON
      __entry->fc = fc;
      __entry->sel1 = sel1;
      __entry->sel2 = sel2;
      __entry->addr = addr;
      ),

     VCPU_TP_PRINTK("STSI %d.%d.%d information stored to %016llx",
      __entry->fc, __entry->sel1, __entry->sel2,
      __entry->addr)
 );

TRACE_EVENT(kvm_s390_handle_operexc,
     TP_PROTO(VCPU_PROTO_COMMON, __u16 ipa, __u32 ipb),
     TP_ARGS(VCPU_ARGS_COMMON, ipa, ipb),

     TP_STRUCT__entry(
      VCPU_FIELD_COMMON
      __field(__u64, instruction)
      ),

     TP_fast_assign(
      VCPU_ASSIGN_COMMON
      __entry->instruction = ((__u64)ipa << 48) |
      ((__u64)ipb << 16);
      ),

     VCPU_TP_PRINTK("operation exception on instruction %016llx (%s)",
      __entry->instruction,
      __print_symbolic(icpt_insn_decoder(__entry->instruction),
         icpt_insn_codes))
 );

TRACE_EVENT(kvm_s390_handle_sthyi,
     TP_PROTO(VCPU_PROTO_COMMON, u64 code, u64 addr),
     TP_ARGS(VCPU_ARGS_COMMON, code, addr),

     TP_STRUCT__entry(
      VCPU_FIELD_COMMON
      __field(u64, code)
      __field(u64, addr)
      ),

     TP_fast_assign(
      VCPU_ASSIGN_COMMON
      __entry->code = code;
      __entry->addr = addr;
      ),

     VCPU_TP_PRINTK("STHYI fc: %llu addr: %016llx",
      __entry->code, __entry->addr)
 );

#endif /* _TRACE_KVM_H */

/* This part must be outside protection */
#include <trace/define_trace.h>