Adding upstream version 4.19.249.upstream/4.19.249

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 340 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..6f0209d45
--- /dev/null
+++ b/arch/s390/kvm/trace-s390.h
@@ -0,0 +1,340 @@
+/* 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%pK, sie block at 0x%pK",
+		      __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 @ %pK)\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)
+	);
+
+
+#endif /* _TRACE_KVMS390_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>