/* SPDX-License-Identifier: GPL-2.0 */
#if !defined(_TRACE_KVMS390_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_KVMS390_H

#include <linux/tracepoint.h>

#undef TRACE_SYSTEM
#define TRACE_SYSTEM kvm-s390
#define TRACE_INCLUDE_PATH .
#undef TRACE_INCLUDE_FILE
#define TRACE_INCLUDE_FILE trace-s390

/*
 * The TRACE_SYSTEM_VAR defaults to TRACE_SYSTEM, but must be a
 * legitimate C variable. It is not exported to user space.
 */
#undef TRACE_SYSTEM_VAR
#define TRACE_SYSTEM_VAR kvm_s390

/*
 * Trace point for the creation of the kvm instance.
 */
TRACE_EVENT(kvm_s390_create_vm,
            TP_PROTO(unsigned long type),
            TP_ARGS(type),

            TP_STRUCT__entry(
                    __field(unsigned long, type)
                    ),

            TP_fast_assign(
                    __entry->type = type;
                    ),

            TP_printk("create vm%s",
                      __entry->type & KVM_VM_S390_UCONTROL ? " (UCONTROL)" : "")
        );

/*
 * Trace points for creation and destruction of vpcus.
 */
TRACE_EVENT(kvm_s390_create_vcpu,
            TP_PROTO(unsigned int id, struct kvm_vcpu *vcpu,
                     struct kvm_s390_sie_block *sie_block),
            TP_ARGS(id, vcpu, sie_block),

            TP_STRUCT__entry(
                    __field(unsigned int, id)
                    __field(struct kvm_vcpu *, vcpu)
                    __field(struct kvm_s390_sie_block *, sie_block)
                    ),

            TP_fast_assign(
                    __entry->id = id;
                    __entry->vcpu = vcpu;
                    __entry->sie_block = sie_block;
                    ),

            TP_printk("create cpu %d at 0x%p, sie block at 0x%p",
                      __entry->id, __entry->vcpu, __entry->sie_block)
        );

TRACE_EVENT(kvm_s390_destroy_vcpu,
            TP_PROTO(unsigned int id),
            TP_ARGS(id),

            TP_STRUCT__entry(
                    __field(unsigned int, id)
                    ),

            TP_fast_assign(
                    __entry->id = id;
                    ),

            TP_printk("destroy cpu %d", __entry->id)
        );

/*
 * Trace point for start and stop of vpcus.
 */
TRACE_EVENT(kvm_s390_vcpu_start_stop,
            TP_PROTO(unsigned int id, int state),
            TP_ARGS(id, state),

            TP_STRUCT__entry(
                    __field(unsigned int, id)
                    __field(int, state)
                    ),

            TP_fast_assign(
                    __entry->id = id;
                    __entry->state = state;
                    ),

            TP_printk("%s cpu %d", __entry->state ? "starting" : "stopping",
                      __entry->id)
        );

/*
 * Trace points for injection of interrupts, either per machine or
 * per vcpu.
 */

#define kvm_s390_int_type                                               \
        {KVM_S390_SIGP_STOP, "sigp stop"},                              \
        {KVM_S390_PROGRAM_INT, "program interrupt"},                    \
        {KVM_S390_SIGP_SET_PREFIX, "sigp set prefix"},                  \
        {KVM_S390_RESTART, "sigp restart"},                             \
        {KVM_S390_INT_PFAULT_INIT, "pfault init"},                      \
        {KVM_S390_INT_PFAULT_DONE, "pfault done"},                      \
        {KVM_S390_MCHK, "machine check"},                               \
        {KVM_S390_INT_CLOCK_COMP, "clock comparator"},                  \
        {KVM_S390_INT_CPU_TIMER, "cpu timer"},                          \
        {KVM_S390_INT_VIRTIO, "virtio interrupt"},                      \
        {KVM_S390_INT_SERVICE, "sclp interrupt"},                       \
        {KVM_S390_INT_EMERGENCY, "sigp emergency"},                     \
        {KVM_S390_INT_EXTERNAL_CALL, "sigp ext call"}

#define get_irq_name(__type) \
        (__type > KVM_S390_INT_IO_MAX ? \
        __print_symbolic(__type, kvm_s390_int_type) : \
                (__type & KVM_S390_INT_IO_AI_MASK ? \
                 "adapter I/O interrupt" : "subchannel I/O interrupt"))

TRACE_EVENT(kvm_s390_inject_vm,
            TP_PROTO(__u64 type, __u32 parm, __u64 parm64, int who),
            TP_ARGS(type, parm, parm64, who),

            TP_STRUCT__entry(
                    __field(__u32, inttype)
                    __field(__u32, parm)
                    __field(__u64, parm64)
                    __field(int, who)
                    ),

            TP_fast_assign(
                    __entry->inttype = type & 0x00000000ffffffff;
                    __entry->parm = parm;
                    __entry->parm64 = parm64;
                    __entry->who = who;
                    ),

            TP_printk("inject%s: type:%x (%s) parm:%x parm64:%llx",
                      (__entry->who == 1) ? " (from kernel)" :
                      (__entry->who == 2) ? " (from user)" : "",
                      __entry->inttype, get_irq_name(__entry->inttype),
                      __entry->parm, __entry->parm64)
        );

TRACE_EVENT(kvm_s390_inject_vcpu,
            TP_PROTO(unsigned int id, __u64 type, __u32 parm, __u64 parm64),
            TP_ARGS(id, type, parm, parm64),

            TP_STRUCT__entry(
                    __field(int, id)
                    __field(__u32, inttype)
                    __field(__u32, parm)
                    __field(__u64, parm64)
                    ),

            TP_fast_assign(
                    __entry->id = id;
                    __entry->inttype = type & 0x00000000ffffffff;
                    __entry->parm = parm;
                    __entry->parm64 = parm64;
                    ),

            TP_printk("inject (vcpu %d): type:%x (%s) parm:%x parm64:%llx",
                      __entry->id, __entry->inttype,
                      get_irq_name(__entry->inttype), __entry->parm,
                      __entry->parm64)
        );

/*
 * Trace point for the actual delivery of interrupts.
 */
TRACE_EVENT(kvm_s390_deliver_interrupt,
            TP_PROTO(unsigned int id, __u64 type, __u64 data0, __u64 data1),
            TP_ARGS(id, type, data0, data1),

            TP_STRUCT__entry(
                    __field(int, id)
                    __field(__u32, inttype)
                    __field(__u64, data0)
                    __field(__u64, data1)
                    ),

            TP_fast_assign(
                    __entry->id = id;
                    __entry->inttype = type & 0x00000000ffffffff;
                    __entry->data0 = data0;
                    __entry->data1 = data1;
                    ),

            TP_printk("deliver interrupt (vcpu %d): type:%x (%s) "      \
                      "data:%08llx %016llx",
                      __entry->id, __entry->inttype,
                      get_irq_name(__entry->inttype), __entry->data0,
                      __entry->data1)
        );

/*
 * Trace point for resets that may be requested from userspace.
 */
TRACE_EVENT(kvm_s390_request_resets,
            TP_PROTO(__u64 resets),
            TP_ARGS(resets),

            TP_STRUCT__entry(
                    __field(__u64, resets)
                    ),

            TP_fast_assign(
                    __entry->resets = resets;
                    ),

            TP_printk("requesting userspace resets %llx",
                      __entry->resets)
        );

/*
 * Trace point for a vcpu's stop requests.
 */
TRACE_EVENT(kvm_s390_stop_request,
            TP_PROTO(unsigned char stop_irq, unsigned char flags),
            TP_ARGS(stop_irq, flags),

            TP_STRUCT__entry(
                    __field(unsigned char, stop_irq)
                    __field(unsigned char, flags)
                    ),

            TP_fast_assign(
                    __entry->stop_irq = stop_irq;
                    __entry->flags = flags;
                    ),

            TP_printk("stop request, stop irq = %u, flags = %08x",
                      __entry->stop_irq, __entry->flags)
        );


/*
 * Trace point for enabling channel I/O instruction support.
 */
TRACE_EVENT(kvm_s390_enable_css,
            TP_PROTO(void *kvm),
            TP_ARGS(kvm),

            TP_STRUCT__entry(
                    __field(void *, kvm)
                    ),

            TP_fast_assign(
                    __entry->kvm = kvm;
                    ),

            TP_printk("enabling channel I/O support (kvm @ %p)\n",
                      __entry->kvm)
        );

/*
 * Trace point for enabling and disabling interlocking-and-broadcasting
 * suppression.
 */
TRACE_EVENT(kvm_s390_enable_disable_ibs,
            TP_PROTO(unsigned int id, int state),
            TP_ARGS(id, state),

            TP_STRUCT__entry(
                    __field(unsigned int, id)
                    __field(int, state)
                    ),

            TP_fast_assign(
                    __entry->id = id;
                    __entry->state = state;
                    ),

            TP_printk("%s ibs on cpu %d",
                      __entry->state ? "enabling" : "disabling", __entry->id)
        );

/*
 * Trace point for modifying ais mode for a given isc.
 */
TRACE_EVENT(kvm_s390_modify_ais_mode,
            TP_PROTO(__u8 isc, __u16 from, __u16 to),
            TP_ARGS(isc, from, to),

            TP_STRUCT__entry(
                    __field(__u8, isc)
                    __field(__u16, from)
                    __field(__u16, to)
                    ),

            TP_fast_assign(
                    __entry->isc = isc;
                    __entry->from = from;
                    __entry->to = to;
                    ),

            TP_printk("for isc %x, modifying interruption mode from %s to %s",
                      __entry->isc,
                      (__entry->from == KVM_S390_AIS_MODE_ALL) ?
                      "ALL-Interruptions Mode" :
                      (__entry->from == KVM_S390_AIS_MODE_SINGLE) ?
                      "Single-Interruption Mode" : "No-Interruptions Mode",
                      (__entry->to == KVM_S390_AIS_MODE_ALL) ?
                      "ALL-Interruptions Mode" :
                      (__entry->to == KVM_S390_AIS_MODE_SINGLE) ?
                      "Single-Interruption Mode" : "No-Interruptions Mode")
        );

/*
 * Trace point for suppressed adapter I/O interrupt.
 */
TRACE_EVENT(kvm_s390_airq_suppressed,
            TP_PROTO(__u32 id, __u8 isc),
            TP_ARGS(id, isc),

            TP_STRUCT__entry(
                    __field(__u32, id)
                    __field(__u8, isc)
                    ),

            TP_fast_assign(
                    __entry->id = id;
                    __entry->isc = isc;
                    ),

            TP_printk("adapter I/O interrupt suppressed (id:%x isc:%x)",
                      __entry->id, __entry->isc)
        );

/*
 * Trace point for gmap notifier calls.
 */
TRACE_EVENT(kvm_s390_gmap_notifier,
            TP_PROTO(unsigned long start, unsigned long end, unsigned int shadow),
            TP_ARGS(start, end, shadow),

            TP_STRUCT__entry(
                    __field(unsigned long, start)
                    __field(unsigned long, end)
                    __field(unsigned int, shadow)
                    ),

            TP_fast_assign(
                    __entry->start = start;
                    __entry->end = end;
                    __entry->shadow = shadow;
                    ),

            TP_printk("gmap notified (start:0x%lx end:0x%lx shadow:%d)",
                      __entry->start, __entry->end, __entry->shadow)
        );


#endif /* _TRACE_KVMS390_H */

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