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Diffstat (limited to 'arch/s390/kvm/trace-s390.h')
-rw-r--r--arch/s390/kvm/trace-s390.h282
1 files changed, 282 insertions, 0 deletions
diff --git a/arch/s390/kvm/trace-s390.h b/arch/s390/kvm/trace-s390.h
new file mode 100644
index 000000000..3208d33a4
--- /dev/null
+++ b/arch/s390/kvm/trace-s390.h
@@ -0,0 +1,282 @@
+#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 %p, sie block at %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_VIRTIO, "virtio interrupt"}, \
+ {KVM_S390_INT_SERVICE, "sclp interrupt"}, \
+ {KVM_S390_INT_EMERGENCY, "sigp emergency"}, \
+ {KVM_S390_INT_EXTERNAL_CALL, "sigp ext call"}
+
+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,
+ __print_symbolic(__entry->inttype, kvm_s390_int_type),
+ __entry->parm, __entry->parm64)
+ );
+
+TRACE_EVENT(kvm_s390_inject_vcpu,
+ TP_PROTO(unsigned int id, __u64 type, __u32 parm, __u64 parm64, \
+ int who),
+ TP_ARGS(id, type, parm, parm64, who),
+
+ TP_STRUCT__entry(
+ __field(int, id)
+ __field(__u32, inttype)
+ __field(__u32, parm)
+ __field(__u64, parm64)
+ __field(int, who)
+ ),
+
+ TP_fast_assign(
+ __entry->id = id;
+ __entry->inttype = type & 0x00000000ffffffff;
+ __entry->parm = parm;
+ __entry->parm64 = parm64;
+ __entry->who = who;
+ ),
+
+ TP_printk("inject%s (vcpu %d): type:%x (%s) parm:%x parm64:%llx",
+ (__entry->who == 1) ? " (from kernel)" :
+ (__entry->who == 2) ? " (from user)" : "",
+ __entry->id, __entry->inttype,
+ __print_symbolic(__entry->inttype, kvm_s390_int_type),
+ __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,
+ __print_symbolic(__entry->inttype, kvm_s390_int_type),
+ __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)
+ );
+
+
+#endif /* _TRACE_KVMS390_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>