[mirror_ubuntu-bionic-kernel.git] / arch / s390 / kvm / trace-s390.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>
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
ade38c31 CH	2	#if !defined(_TRACE_KVMS390_H) \|\| defined(TRACE_HEADER_MULTI_READ)
	3	#define _TRACE_KVMS390_H
	4
	5	#include <linux/tracepoint.h>
	6
	7	#undef TRACE_SYSTEM
	8	#define TRACE_SYSTEM kvm-s390
	9	#define TRACE_INCLUDE_PATH .
	10	#undef TRACE_INCLUDE_FILE
	11	#define TRACE_INCLUDE_FILE trace-s390
	12
bd412022 SRRH	13	/*
	14	* The TRACE_SYSTEM_VAR defaults to TRACE_SYSTEM, but must be a
	15	* legitimate C variable. It is not exported to user space.
	16	*/
	17	#undef TRACE_SYSTEM_VAR
	18	#define TRACE_SYSTEM_VAR kvm_s390
	19
ade38c31 CH	20	/*
	21	* Trace point for the creation of the kvm instance.
	22	*/
	23	TRACE_EVENT(kvm_s390_create_vm,
	24	TP_PROTO(unsigned long type),
	25	TP_ARGS(type),
	26
	27	TP_STRUCT__entry(
	28	__field(unsigned long, type)
	29	),
	30
	31	TP_fast_assign(
	32	__entry->type = type;
	33	),
	34
	35	TP_printk("create vm%s",
	36	__entry->type & KVM_VM_S390_UCONTROL ? " (UCONTROL)" : "")
	37	);
	38
	39	/*
	40	* Trace points for creation and destruction of vpcus.
	41	*/
	42	TRACE_EVENT(kvm_s390_create_vcpu,
	43	TP_PROTO(unsigned int id, struct kvm_vcpu *vcpu,
	44	struct kvm_s390_sie_block *sie_block),
	45	TP_ARGS(id, vcpu, sie_block),
	46
	47	TP_STRUCT__entry(
	48	__field(unsigned int, id)
	49	__field(struct kvm_vcpu *, vcpu)
	50	__field(struct kvm_s390_sie_block *, sie_block)
	51	),
	52
	53	TP_fast_assign(
	54	__entry->id = id;
	55	__entry->vcpu = vcpu;
	56	__entry->sie_block = sie_block;
	57	),
	58
8335713a CB	59	TP_printk("create cpu %d at 0x%pK, sie block at 0x%pK",
8335713a CB	60	__entry->id, __entry->vcpu, __entry->sie_block)
ade38c31 CH	61	);
	62
	63	TRACE_EVENT(kvm_s390_destroy_vcpu,
	64	TP_PROTO(unsigned int id),
	65	TP_ARGS(id),
	66
	67	TP_STRUCT__entry(
	68	__field(unsigned int, id)
	69	),
	70
	71	TP_fast_assign(
	72	__entry->id = id;
	73	),
	74
	75	TP_printk("destroy cpu %d", __entry->id)
	76	);
	77
6852d7b6 DH	78	/*
	79	* Trace point for start and stop of vpcus.
	80	*/
	81	TRACE_EVENT(kvm_s390_vcpu_start_stop,
	82	TP_PROTO(unsigned int id, int state),
	83	TP_ARGS(id, state),
	84
	85	TP_STRUCT__entry(
	86	__field(unsigned int, id)
	87	__field(int, state)
	88	),
	89
	90	TP_fast_assign(
	91	__entry->id = id;
	92	__entry->state = state;
	93	),
	94
	95	TP_printk("%s cpu %d", __entry->state ? "starting" : "stopping",
	96	__entry->id)
	97	);
	98
ade38c31 CH	99	/*
	100	* Trace points for injection of interrupts, either per machine or
	101	* per vcpu.
	102	*/
	103
	104	#define kvm_s390_int_type \
	105	{KVM_S390_SIGP_STOP, "sigp stop"}, \
	106	{KVM_S390_PROGRAM_INT, "program interrupt"}, \
	107	{KVM_S390_SIGP_SET_PREFIX, "sigp set prefix"}, \
	108	{KVM_S390_RESTART, "sigp restart"}, \
a37281b6 DH	109	{KVM_S390_INT_PFAULT_INIT, "pfault init"}, \
	110	{KVM_S390_INT_PFAULT_DONE, "pfault done"}, \
	111	{KVM_S390_MCHK, "machine check"}, \
	112	{KVM_S390_INT_CLOCK_COMP, "clock comparator"}, \
	113	{KVM_S390_INT_CPU_TIMER, "cpu timer"}, \
ade38c31 CH	114	{KVM_S390_INT_VIRTIO, "virtio interrupt"}, \
	115	{KVM_S390_INT_SERVICE, "sclp interrupt"}, \
	116	{KVM_S390_INT_EMERGENCY, "sigp emergency"}, \
	117	{KVM_S390_INT_EXTERNAL_CALL, "sigp ext call"}
	118
a37281b6 DH	119	#define get_irq_name(__type) \
	120	(__type > KVM_S390_INT_IO_MAX ? \
	121	__print_symbolic(__type, kvm_s390_int_type) : \
	122	(__type & KVM_S390_INT_IO_AI_MASK ? \
	123	"adapter I/O interrupt" : "subchannel I/O interrupt"))
	124
ade38c31 CH	125	TRACE_EVENT(kvm_s390_inject_vm,
	126	TP_PROTO(__u64 type, __u32 parm, __u64 parm64, int who),
	127	TP_ARGS(type, parm, parm64, who),
	128
	129	TP_STRUCT__entry(
	130	__field(__u32, inttype)
	131	__field(__u32, parm)
	132	__field(__u64, parm64)
	133	__field(int, who)
	134	),
	135
	136	TP_fast_assign(
	137	__entry->inttype = type & 0x00000000ffffffff;
	138	__entry->parm = parm;
	139	__entry->parm64 = parm64;
	140	__entry->who = who;
	141	),
	142
	143	TP_printk("inject%s: type:%x (%s) parm:%x parm64:%llx",
	144	(__entry->who == 1) ? " (from kernel)" :
	145	(__entry->who == 2) ? " (from user)" : "",
a37281b6	146	__entry->inttype, get_irq_name(__entry->inttype),
ade38c31 CH	147	__entry->parm, __entry->parm64)
	148	);
	149
	150	TRACE_EVENT(kvm_s390_inject_vcpu,
ed2afcfa DH	151	TP_PROTO(unsigned int id, __u64 type, __u32 parm, __u64 parm64),
ed2afcfa DH	152	TP_ARGS(id, type, parm, parm64),
ade38c31 CH	153
	154	TP_STRUCT__entry(
	155	__field(int, id)
	156	__field(__u32, inttype)
	157	__field(__u32, parm)
	158	__field(__u64, parm64)
ade38c31 CH	159	),
	160
	161	TP_fast_assign(
	162	__entry->id = id;
	163	__entry->inttype = type & 0x00000000ffffffff;
	164	__entry->parm = parm;
	165	__entry->parm64 = parm64;
ade38c31 CH	166	),
ade38c31 CH	167
ed2afcfa	168	TP_printk("inject (vcpu %d): type:%x (%s) parm:%x parm64:%llx",
ade38c31	169	__entry->id, __entry->inttype,
a37281b6 DH	170	get_irq_name(__entry->inttype), __entry->parm,
a37281b6 DH	171	__entry->parm64)
ade38c31 CH	172	);
	173
	174	/*
	175	* Trace point for the actual delivery of interrupts.
	176	*/
	177	TRACE_EVENT(kvm_s390_deliver_interrupt,
48a3e950	178	TP_PROTO(unsigned int id, __u64 type, __u64 data0, __u64 data1),
ade38c31 CH	179	TP_ARGS(id, type, data0, data1),
	180
	181	TP_STRUCT__entry(
	182	__field(int, id)
	183	__field(__u32, inttype)
48a3e950	184	__field(__u64, data0)
ade38c31 CH	185	__field(__u64, data1)
	186	),
	187
	188	TP_fast_assign(
	189	__entry->id = id;
	190	__entry->inttype = type & 0x00000000ffffffff;
	191	__entry->data0 = data0;
	192	__entry->data1 = data1;
	193	),
	194
	195	TP_printk("deliver interrupt (vcpu %d): type:%x (%s) " \
48a3e950	196	"data:%08llx %016llx",
ade38c31	197	__entry->id, __entry->inttype,
a37281b6 DH	198	get_irq_name(__entry->inttype), __entry->data0,
a37281b6 DH	199	__entry->data1)
ade38c31 CH	200	);
	201
	202	/*
	203	* Trace point for resets that may be requested from userspace.
	204	*/
	205	TRACE_EVENT(kvm_s390_request_resets,
	206	TP_PROTO(__u64 resets),
	207	TP_ARGS(resets),
	208
	209	TP_STRUCT__entry(
	210	__field(__u64, resets)
	211	),
	212
	213	TP_fast_assign(
	214	__entry->resets = resets;
	215	),
	216
	217	TP_printk("requesting userspace resets %llx",
	218	__entry->resets)
	219	);
	220
	221	/*
	222	* Trace point for a vcpu's stop requests.
	223	*/
	224	TRACE_EVENT(kvm_s390_stop_request,
6cddd432 DH	225	TP_PROTO(unsigned char stop_irq, unsigned char flags),
6cddd432 DH	226	TP_ARGS(stop_irq, flags),
ade38c31 CH	227
ade38c31 CH	228	TP_STRUCT__entry(
6cddd432 DH	229	__field(unsigned char, stop_irq)
6cddd432 DH	230	__field(unsigned char, flags)
ade38c31 CH	231	),
	232
	233	TP_fast_assign(
6cddd432 DH	234	__entry->stop_irq = stop_irq;
6cddd432 DH	235	__entry->flags = flags;
ade38c31 CH	236	),
ade38c31 CH	237
6cddd432 DH	238	TP_printk("stop request, stop irq = %u, flags = %08x",
6cddd432 DH	239	__entry->stop_irq, __entry->flags)
ade38c31 CH	240	);
	241
	242
fa6b7fe9 CH	243	/*
	244	* Trace point for enabling channel I/O instruction support.
	245	*/
	246	TRACE_EVENT(kvm_s390_enable_css,
	247	TP_PROTO(void *kvm),
	248	TP_ARGS(kvm),
	249
	250	TP_STRUCT__entry(
	251	__field(void *, kvm)
	252	),
	253
	254	TP_fast_assign(
	255	__entry->kvm = kvm;
	256	),
	257
8335713a	258	TP_printk("enabling channel I/O support (kvm @ %pK)\n",
fa6b7fe9 CH	259	__entry->kvm)
	260	);
	261
8ad35755 DH	262	/*
	263	* Trace point for enabling and disabling interlocking-and-broadcasting
	264	* suppression.
	265	*/
	266	TRACE_EVENT(kvm_s390_enable_disable_ibs,
	267	TP_PROTO(unsigned int id, int state),
	268	TP_ARGS(id, state),
	269
	270	TP_STRUCT__entry(
	271	__field(unsigned int, id)
	272	__field(int, state)
	273	),
	274
	275	TP_fast_assign(
	276	__entry->id = id;
	277	__entry->state = state;
	278	),
	279
	280	TP_printk("%s ibs on cpu %d",
	281	__entry->state ? "enabling" : "disabling", __entry->id)
	282	);
	283
51978393 FL	284	/*
	285	* Trace point for modifying ais mode for a given isc.
	286	*/
	287	TRACE_EVENT(kvm_s390_modify_ais_mode,
	288	TP_PROTO(__u8 isc, __u16 from, __u16 to),
	289	TP_ARGS(isc, from, to),
	290
	291	TP_STRUCT__entry(
	292	__field(__u8, isc)
	293	__field(__u16, from)
	294	__field(__u16, to)
	295	),
	296
	297	TP_fast_assign(
	298	__entry->isc = isc;
	299	__entry->from = from;
	300	__entry->to = to;
	301	),
	302
	303	TP_printk("for isc %x, modifying interruption mode from %s to %s",
	304	__entry->isc,
	305	(__entry->from == KVM_S390_AIS_MODE_ALL) ?
	306	"ALL-Interruptions Mode" :
	307	(__entry->from == KVM_S390_AIS_MODE_SINGLE) ?
	308	"Single-Interruption Mode" : "No-Interruptions Mode",
	309	(__entry->to == KVM_S390_AIS_MODE_ALL) ?
	310	"ALL-Interruptions Mode" :
	311	(__entry->to == KVM_S390_AIS_MODE_SINGLE) ?
	312	"Single-Interruption Mode" : "No-Interruptions Mode")
	313	);
	314
a8920950 YMZ	315	/*
	316	* Trace point for suppressed adapter I/O interrupt.
	317	*/
	318	TRACE_EVENT(kvm_s390_airq_suppressed,
	319	TP_PROTO(__u32 id, __u8 isc),
	320	TP_ARGS(id, isc),
	321
	322	TP_STRUCT__entry(
	323	__field(__u32, id)
	324	__field(__u8, isc)
	325	),
	326
	327	TP_fast_assign(
	328	__entry->id = id;
	329	__entry->isc = isc;
	330	),
	331
	332	TP_printk("adapter I/O interrupt suppressed (id:%x isc:%x)",
	333	__entry->id, __entry->isc)
	334	);
	335
fa6b7fe9	336
ade38c31 CH	337	#endif /* _TRACE_KVMS390_H */
	338
	339	/* This part must be outside protection */
	340	#include <trace/define_trace.h>