341 lines
8.2 KiB
C
341 lines
8.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#if !defined(_TRACE_KVMS390_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_KVMS390_H
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#include <linux/tracepoint.h>
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM kvm-s390
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#define TRACE_INCLUDE_PATH .
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#undef TRACE_INCLUDE_FILE
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#define TRACE_INCLUDE_FILE trace-s390
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/*
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* The TRACE_SYSTEM_VAR defaults to TRACE_SYSTEM, but must be a
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* legitimate C variable. It is not exported to user space.
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*/
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#undef TRACE_SYSTEM_VAR
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#define TRACE_SYSTEM_VAR kvm_s390
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/*
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* Trace point for the creation of the kvm instance.
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*/
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TRACE_EVENT(kvm_s390_create_vm,
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TP_PROTO(unsigned long type),
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TP_ARGS(type),
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TP_STRUCT__entry(
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__field(unsigned long, type)
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),
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TP_fast_assign(
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__entry->type = type;
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),
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TP_printk("create vm%s",
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__entry->type & KVM_VM_S390_UCONTROL ? " (UCONTROL)" : "")
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);
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/*
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* Trace points for creation and destruction of vpcus.
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*/
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TRACE_EVENT(kvm_s390_create_vcpu,
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TP_PROTO(unsigned int id, struct kvm_vcpu *vcpu,
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struct kvm_s390_sie_block *sie_block),
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TP_ARGS(id, vcpu, sie_block),
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TP_STRUCT__entry(
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__field(unsigned int, id)
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__field(struct kvm_vcpu *, vcpu)
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__field(struct kvm_s390_sie_block *, sie_block)
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),
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TP_fast_assign(
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__entry->id = id;
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__entry->vcpu = vcpu;
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__entry->sie_block = sie_block;
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),
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TP_printk("create cpu %d at 0x%pK, sie block at 0x%pK",
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__entry->id, __entry->vcpu, __entry->sie_block)
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);
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TRACE_EVENT(kvm_s390_destroy_vcpu,
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TP_PROTO(unsigned int id),
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TP_ARGS(id),
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TP_STRUCT__entry(
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__field(unsigned int, id)
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),
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TP_fast_assign(
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__entry->id = id;
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),
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TP_printk("destroy cpu %d", __entry->id)
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);
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/*
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* Trace point for start and stop of vpcus.
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*/
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TRACE_EVENT(kvm_s390_vcpu_start_stop,
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TP_PROTO(unsigned int id, int state),
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TP_ARGS(id, state),
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TP_STRUCT__entry(
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__field(unsigned int, id)
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__field(int, state)
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),
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TP_fast_assign(
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__entry->id = id;
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__entry->state = state;
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),
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TP_printk("%s cpu %d", __entry->state ? "starting" : "stopping",
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__entry->id)
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);
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/*
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* Trace points for injection of interrupts, either per machine or
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* per vcpu.
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*/
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#define kvm_s390_int_type \
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{KVM_S390_SIGP_STOP, "sigp stop"}, \
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{KVM_S390_PROGRAM_INT, "program interrupt"}, \
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{KVM_S390_SIGP_SET_PREFIX, "sigp set prefix"}, \
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{KVM_S390_RESTART, "sigp restart"}, \
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{KVM_S390_INT_PFAULT_INIT, "pfault init"}, \
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{KVM_S390_INT_PFAULT_DONE, "pfault done"}, \
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{KVM_S390_MCHK, "machine check"}, \
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{KVM_S390_INT_CLOCK_COMP, "clock comparator"}, \
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{KVM_S390_INT_CPU_TIMER, "cpu timer"}, \
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{KVM_S390_INT_VIRTIO, "virtio interrupt"}, \
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{KVM_S390_INT_SERVICE, "sclp interrupt"}, \
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{KVM_S390_INT_EMERGENCY, "sigp emergency"}, \
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{KVM_S390_INT_EXTERNAL_CALL, "sigp ext call"}
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#define get_irq_name(__type) \
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(__type > KVM_S390_INT_IO_MAX ? \
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__print_symbolic(__type, kvm_s390_int_type) : \
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(__type & KVM_S390_INT_IO_AI_MASK ? \
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"adapter I/O interrupt" : "subchannel I/O interrupt"))
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TRACE_EVENT(kvm_s390_inject_vm,
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TP_PROTO(__u64 type, __u32 parm, __u64 parm64, int who),
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TP_ARGS(type, parm, parm64, who),
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TP_STRUCT__entry(
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__field(__u32, inttype)
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__field(__u32, parm)
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__field(__u64, parm64)
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__field(int, who)
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),
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TP_fast_assign(
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__entry->inttype = type & 0x00000000ffffffff;
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__entry->parm = parm;
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__entry->parm64 = parm64;
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__entry->who = who;
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),
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TP_printk("inject%s: type:%x (%s) parm:%x parm64:%llx",
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(__entry->who == 1) ? " (from kernel)" :
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(__entry->who == 2) ? " (from user)" : "",
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__entry->inttype, get_irq_name(__entry->inttype),
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__entry->parm, __entry->parm64)
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);
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TRACE_EVENT(kvm_s390_inject_vcpu,
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TP_PROTO(unsigned int id, __u64 type, __u32 parm, __u64 parm64),
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TP_ARGS(id, type, parm, parm64),
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TP_STRUCT__entry(
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__field(int, id)
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__field(__u32, inttype)
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__field(__u32, parm)
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__field(__u64, parm64)
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),
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TP_fast_assign(
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__entry->id = id;
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__entry->inttype = type & 0x00000000ffffffff;
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__entry->parm = parm;
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__entry->parm64 = parm64;
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),
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TP_printk("inject (vcpu %d): type:%x (%s) parm:%x parm64:%llx",
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__entry->id, __entry->inttype,
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get_irq_name(__entry->inttype), __entry->parm,
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__entry->parm64)
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);
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/*
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* Trace point for the actual delivery of interrupts.
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*/
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TRACE_EVENT(kvm_s390_deliver_interrupt,
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TP_PROTO(unsigned int id, __u64 type, __u64 data0, __u64 data1),
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TP_ARGS(id, type, data0, data1),
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TP_STRUCT__entry(
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__field(int, id)
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__field(__u32, inttype)
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__field(__u64, data0)
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__field(__u64, data1)
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),
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TP_fast_assign(
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__entry->id = id;
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__entry->inttype = type & 0x00000000ffffffff;
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__entry->data0 = data0;
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__entry->data1 = data1;
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),
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TP_printk("deliver interrupt (vcpu %d): type:%x (%s) " \
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"data:%08llx %016llx",
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__entry->id, __entry->inttype,
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get_irq_name(__entry->inttype), __entry->data0,
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__entry->data1)
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);
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/*
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* Trace point for resets that may be requested from userspace.
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*/
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TRACE_EVENT(kvm_s390_request_resets,
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TP_PROTO(__u64 resets),
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TP_ARGS(resets),
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TP_STRUCT__entry(
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__field(__u64, resets)
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),
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TP_fast_assign(
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__entry->resets = resets;
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),
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TP_printk("requesting userspace resets %llx",
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__entry->resets)
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);
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/*
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* Trace point for a vcpu's stop requests.
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*/
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TRACE_EVENT(kvm_s390_stop_request,
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TP_PROTO(unsigned char stop_irq, unsigned char flags),
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TP_ARGS(stop_irq, flags),
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TP_STRUCT__entry(
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__field(unsigned char, stop_irq)
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__field(unsigned char, flags)
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),
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TP_fast_assign(
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__entry->stop_irq = stop_irq;
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__entry->flags = flags;
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),
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TP_printk("stop request, stop irq = %u, flags = %08x",
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__entry->stop_irq, __entry->flags)
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);
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/*
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* Trace point for enabling channel I/O instruction support.
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*/
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TRACE_EVENT(kvm_s390_enable_css,
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TP_PROTO(void *kvm),
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TP_ARGS(kvm),
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TP_STRUCT__entry(
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__field(void *, kvm)
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),
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TP_fast_assign(
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__entry->kvm = kvm;
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),
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TP_printk("enabling channel I/O support (kvm @ %pK)\n",
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__entry->kvm)
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);
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/*
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* Trace point for enabling and disabling interlocking-and-broadcasting
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* suppression.
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*/
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TRACE_EVENT(kvm_s390_enable_disable_ibs,
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TP_PROTO(unsigned int id, int state),
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TP_ARGS(id, state),
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TP_STRUCT__entry(
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__field(unsigned int, id)
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__field(int, state)
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),
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TP_fast_assign(
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__entry->id = id;
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__entry->state = state;
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),
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TP_printk("%s ibs on cpu %d",
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__entry->state ? "enabling" : "disabling", __entry->id)
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);
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/*
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* Trace point for modifying ais mode for a given isc.
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*/
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TRACE_EVENT(kvm_s390_modify_ais_mode,
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TP_PROTO(__u8 isc, __u16 from, __u16 to),
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TP_ARGS(isc, from, to),
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TP_STRUCT__entry(
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__field(__u8, isc)
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__field(__u16, from)
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__field(__u16, to)
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),
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TP_fast_assign(
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__entry->isc = isc;
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__entry->from = from;
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__entry->to = to;
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),
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TP_printk("for isc %x, modifying interruption mode from %s to %s",
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__entry->isc,
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(__entry->from == KVM_S390_AIS_MODE_ALL) ?
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"ALL-Interruptions Mode" :
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(__entry->from == KVM_S390_AIS_MODE_SINGLE) ?
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"Single-Interruption Mode" : "No-Interruptions Mode",
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(__entry->to == KVM_S390_AIS_MODE_ALL) ?
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"ALL-Interruptions Mode" :
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(__entry->to == KVM_S390_AIS_MODE_SINGLE) ?
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"Single-Interruption Mode" : "No-Interruptions Mode")
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);
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/*
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* Trace point for suppressed adapter I/O interrupt.
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*/
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TRACE_EVENT(kvm_s390_airq_suppressed,
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TP_PROTO(__u32 id, __u8 isc),
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TP_ARGS(id, isc),
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TP_STRUCT__entry(
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__field(__u32, id)
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__field(__u8, isc)
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),
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TP_fast_assign(
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__entry->id = id;
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__entry->isc = isc;
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),
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TP_printk("adapter I/O interrupt suppressed (id:%x isc:%x)",
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__entry->id, __entry->isc)
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);
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#endif /* _TRACE_KVMS390_H */
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/* This part must be outside protection */
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#include <trace/define_trace.h>
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