arch/s390/kvm/trace-s390.h - linux - Git at Google

 /* 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>
	/* 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>