xref: /openbmc/linux/drivers/s390/cio/trace.h (revision 750afb08)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Tracepoint header for the s390 Common I/O layer (CIO)
4  *
5  * Copyright IBM Corp. 2015
6  * Author(s): Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
7  */
8 
9 #include <linux/kernel.h>
10 #include <asm/crw.h>
11 #include <uapi/asm/chpid.h>
12 #include <uapi/asm/schid.h>
13 #include "cio.h"
14 #include "orb.h"
15 
16 #undef TRACE_SYSTEM
17 #define TRACE_SYSTEM s390
18 
19 #if !defined(_TRACE_S390_CIO_H) || defined(TRACE_HEADER_MULTI_READ)
20 #define _TRACE_S390_CIO_H
21 
22 #include <linux/tracepoint.h>
23 
24 DECLARE_EVENT_CLASS(s390_class_schib,
25 	TP_PROTO(struct subchannel_id schid, struct schib *schib, int cc),
26 	TP_ARGS(schid, schib, cc),
27 	TP_STRUCT__entry(
28 		__field(u8, cssid)
29 		__field(u8, ssid)
30 		__field(u16, schno)
31 		__field(u16, devno)
32 		__field_struct(struct schib, schib)
33 		__field(u8, pmcw_ena)
34 		__field(u8, pmcw_st)
35 		__field(u8, pmcw_dnv)
36 		__field(u16, pmcw_dev)
37 		__field(u8, pmcw_lpm)
38 		__field(u8, pmcw_pnom)
39 		__field(u8, pmcw_lpum)
40 		__field(u8, pmcw_pim)
41 		__field(u8, pmcw_pam)
42 		__field(u8, pmcw_pom)
43 		__field(u64, pmcw_chpid)
44 		__field(int, cc)
45 	),
46 	TP_fast_assign(
47 		__entry->cssid = schid.cssid;
48 		__entry->ssid = schid.ssid;
49 		__entry->schno = schid.sch_no;
50 		__entry->devno = schib->pmcw.dev;
51 		__entry->schib = *schib;
52 		__entry->pmcw_ena = schib->pmcw.ena;
53 		__entry->pmcw_st = schib->pmcw.ena;
54 		__entry->pmcw_dnv = schib->pmcw.dnv;
55 		__entry->pmcw_dev = schib->pmcw.dev;
56 		__entry->pmcw_lpm = schib->pmcw.lpm;
57 		__entry->pmcw_pnom = schib->pmcw.pnom;
58 		__entry->pmcw_lpum = schib->pmcw.lpum;
59 		__entry->pmcw_pim = schib->pmcw.pim;
60 		__entry->pmcw_pam = schib->pmcw.pam;
61 		__entry->pmcw_pom = schib->pmcw.pom;
62 		memcpy(&__entry->pmcw_chpid, &schib->pmcw.chpid, 8);
63 		__entry->cc = cc;
64 	),
65 	TP_printk("schid=%x.%x.%04x cc=%d ena=%d st=%d dnv=%d dev=%04x "
66 		  "lpm=0x%02x pnom=0x%02x lpum=0x%02x pim=0x%02x pam=0x%02x "
67 		  "pom=0x%02x chpids=%016llx",
68 		  __entry->cssid, __entry->ssid, __entry->schno, __entry->cc,
69 		  __entry->pmcw_ena, __entry->pmcw_st,
70 		  __entry->pmcw_dnv, __entry->pmcw_dev,
71 		  __entry->pmcw_lpm, __entry->pmcw_pnom,
72 		  __entry->pmcw_lpum, __entry->pmcw_pim,
73 		  __entry->pmcw_pam, __entry->pmcw_pom,
74 		  __entry->pmcw_chpid
75 	)
76 );
77 
78 /**
79  * s390_cio_stsch -  Store Subchannel instruction (STSCH) was performed
80  * @schid: Subchannel ID
81  * @schib: Subchannel-Information block
82  * @cc: Condition code
83  */
84 DEFINE_EVENT(s390_class_schib, s390_cio_stsch,
85 	TP_PROTO(struct subchannel_id schid, struct schib *schib, int cc),
86 	TP_ARGS(schid, schib, cc)
87 );
88 
89 /**
90  * s390_cio_msch -  Modify Subchannel instruction (MSCH) was performed
91  * @schid: Subchannel ID
92  * @schib: Subchannel-Information block
93  * @cc: Condition code
94  */
95 DEFINE_EVENT(s390_class_schib, s390_cio_msch,
96 	TP_PROTO(struct subchannel_id schid, struct schib *schib, int cc),
97 	TP_ARGS(schid, schib, cc)
98 );
99 
100 /**
101  * s390_cio_tsch - Test Subchannel instruction (TSCH) was performed
102  * @schid: Subchannel ID
103  * @irb: Interruption-Response Block
104  * @cc: Condition code
105  */
106 TRACE_EVENT(s390_cio_tsch,
107 	TP_PROTO(struct subchannel_id schid, struct irb *irb, int cc),
108 	TP_ARGS(schid, irb, cc),
109 	TP_STRUCT__entry(
110 		__field(u8, cssid)
111 		__field(u8, ssid)
112 		__field(u16, schno)
113 		__field_struct(struct irb, irb)
114 		__field(u8, scsw_dcc)
115 		__field(u8, scsw_pno)
116 		__field(u8, scsw_fctl)
117 		__field(u8, scsw_actl)
118 		__field(u8, scsw_stctl)
119 		__field(u8, scsw_dstat)
120 		__field(u8, scsw_cstat)
121 		__field(int, cc)
122 	),
123 	TP_fast_assign(
124 		__entry->cssid = schid.cssid;
125 		__entry->ssid = schid.ssid;
126 		__entry->schno = schid.sch_no;
127 		__entry->irb = *irb;
128 		__entry->scsw_dcc = scsw_cc(&irb->scsw);
129 		__entry->scsw_pno = scsw_pno(&irb->scsw);
130 		__entry->scsw_fctl = scsw_fctl(&irb->scsw);
131 		__entry->scsw_actl = scsw_actl(&irb->scsw);
132 		__entry->scsw_stctl = scsw_stctl(&irb->scsw);
133 		__entry->scsw_dstat = scsw_dstat(&irb->scsw);
134 		__entry->scsw_cstat = scsw_cstat(&irb->scsw);
135 		__entry->cc = cc;
136 	),
137 	TP_printk("schid=%x.%x.%04x cc=%d dcc=%d pno=%d fctl=0x%x actl=0x%x "
138 		  "stctl=0x%x dstat=0x%x cstat=0x%x",
139 		  __entry->cssid, __entry->ssid, __entry->schno, __entry->cc,
140 		  __entry->scsw_dcc, __entry->scsw_pno,
141 		  __entry->scsw_fctl, __entry->scsw_actl,
142 		  __entry->scsw_stctl,
143 		  __entry->scsw_dstat, __entry->scsw_cstat
144 	)
145 );
146 
147 /**
148  * s390_cio_tpi - Test Pending Interruption instruction (TPI) was performed
149  * @addr: Address of the I/O interruption code or %NULL
150  * @cc: Condition code
151  */
152 TRACE_EVENT(s390_cio_tpi,
153 	TP_PROTO(struct tpi_info *addr, int cc),
154 	TP_ARGS(addr, cc),
155 	TP_STRUCT__entry(
156 		__field(int, cc)
157 		__field_struct(struct tpi_info, tpi_info)
158 		__field(u8, cssid)
159 		__field(u8, ssid)
160 		__field(u16, schno)
161 		__field(u8, adapter_IO)
162 		__field(u8, isc)
163 		__field(u8, type)
164 	),
165 	TP_fast_assign(
166 		__entry->cc = cc;
167 		if (cc != 0)
168 			memset(&__entry->tpi_info, 0, sizeof(struct tpi_info));
169 		else if (addr)
170 			__entry->tpi_info = *addr;
171 		else {
172 			memcpy(&__entry->tpi_info, &S390_lowcore.subchannel_id,
173 			       sizeof(struct tpi_info));
174 		}
175 		__entry->cssid = __entry->tpi_info.schid.cssid;
176 		__entry->ssid = __entry->tpi_info.schid.ssid;
177 		__entry->schno = __entry->tpi_info.schid.sch_no;
178 		__entry->adapter_IO = __entry->tpi_info.adapter_IO;
179 		__entry->isc = __entry->tpi_info.isc;
180 		__entry->type = __entry->tpi_info.type;
181 	),
182 	TP_printk("schid=%x.%x.%04x cc=%d a=%d isc=%d type=%d",
183 		  __entry->cssid, __entry->ssid, __entry->schno, __entry->cc,
184 		  __entry->adapter_IO, __entry->isc,
185 		  __entry->type
186 	)
187 );
188 
189 /**
190  * s390_cio_ssch - Start Subchannel instruction (SSCH) was performed
191  * @schid: Subchannel ID
192  * @orb: Operation-Request Block
193  * @cc: Condition code
194  */
195 TRACE_EVENT(s390_cio_ssch,
196 	TP_PROTO(struct subchannel_id schid, union orb *orb, int cc),
197 	TP_ARGS(schid, orb, cc),
198 	TP_STRUCT__entry(
199 		__field(u8, cssid)
200 		__field(u8, ssid)
201 		__field(u16, schno)
202 		__field_struct(union orb, orb)
203 		__field(int, cc)
204 	),
205 	TP_fast_assign(
206 		__entry->cssid = schid.cssid;
207 		__entry->ssid = schid.ssid;
208 		__entry->schno = schid.sch_no;
209 		__entry->orb = *orb;
210 		__entry->cc = cc;
211 	),
212 	TP_printk("schid=%x.%x.%04x cc=%d", __entry->cssid, __entry->ssid,
213 		  __entry->schno, __entry->cc
214 	)
215 );
216 
217 DECLARE_EVENT_CLASS(s390_class_schid,
218 	TP_PROTO(struct subchannel_id schid, int cc),
219 	TP_ARGS(schid, cc),
220 	TP_STRUCT__entry(
221 		__field(u8, cssid)
222 		__field(u8, ssid)
223 		__field(u16, schno)
224 		__field(int, cc)
225 	),
226 	TP_fast_assign(
227 		__entry->cssid = schid.cssid;
228 		__entry->ssid = schid.ssid;
229 		__entry->schno = schid.sch_no;
230 		__entry->cc = cc;
231 	),
232 	TP_printk("schid=%x.%x.%04x cc=%d", __entry->cssid, __entry->ssid,
233 		  __entry->schno, __entry->cc
234 	)
235 );
236 
237 /**
238  * s390_cio_csch - Clear Subchannel instruction (CSCH) was performed
239  * @schid: Subchannel ID
240  * @cc: Condition code
241  */
242 DEFINE_EVENT(s390_class_schid, s390_cio_csch,
243 	TP_PROTO(struct subchannel_id schid, int cc),
244 	TP_ARGS(schid, cc)
245 );
246 
247 /**
248  * s390_cio_hsch - Halt Subchannel instruction (HSCH) was performed
249  * @schid: Subchannel ID
250  * @cc: Condition code
251  */
252 DEFINE_EVENT(s390_class_schid, s390_cio_hsch,
253 	TP_PROTO(struct subchannel_id schid, int cc),
254 	TP_ARGS(schid, cc)
255 );
256 
257 /**
258  * s390_cio_xsch - Cancel Subchannel instruction (XSCH) was performed
259  * @schid: Subchannel ID
260  * @cc: Condition code
261  */
262 DEFINE_EVENT(s390_class_schid, s390_cio_xsch,
263 	TP_PROTO(struct subchannel_id schid, int cc),
264 	TP_ARGS(schid, cc)
265 );
266 
267 /**
268  * s390_cio_rsch - Resume Subchannel instruction (RSCH) was performed
269  * @schid: Subchannel ID
270  * @cc: Condition code
271  */
272 DEFINE_EVENT(s390_class_schid, s390_cio_rsch,
273 	TP_PROTO(struct subchannel_id schid, int cc),
274 	TP_ARGS(schid, cc)
275 );
276 
277 /**
278  * s390_cio_rchp - Reset Channel Path (RCHP) instruction was performed
279  * @chpid: Channel-Path Identifier
280  * @cc: Condition code
281  */
282 TRACE_EVENT(s390_cio_rchp,
283 	TP_PROTO(struct chp_id chpid, int cc),
284 	TP_ARGS(chpid, cc),
285 	TP_STRUCT__entry(
286 		__field(u8, cssid)
287 		__field(u8, id)
288 		__field(int, cc)
289 	),
290 	TP_fast_assign(
291 		__entry->cssid = chpid.cssid;
292 		__entry->id = chpid.id;
293 		__entry->cc = cc;
294 	),
295 	TP_printk("chpid=%x.%02x cc=%d", __entry->cssid, __entry->id,
296 		  __entry->cc
297 	)
298 );
299 
300 #define CHSC_MAX_REQUEST_LEN		64
301 #define CHSC_MAX_RESPONSE_LEN		64
302 
303 /**
304  * s390_cio_chsc - Channel Subsystem Call (CHSC) instruction was performed
305  * @chsc: CHSC block
306  * @cc: Condition code
307  */
308 TRACE_EVENT(s390_cio_chsc,
309 	TP_PROTO(struct chsc_header *chsc, int cc),
310 	TP_ARGS(chsc, cc),
311 	TP_STRUCT__entry(
312 		__field(int, cc)
313 		__field(u16, code)
314 		__field(u16, rcode)
315 		__array(u8, request, CHSC_MAX_REQUEST_LEN)
316 		__array(u8, response, CHSC_MAX_RESPONSE_LEN)
317 	),
318 	TP_fast_assign(
319 		__entry->cc = cc;
320 		__entry->code = chsc->code;
321 		memcpy(&entry->request, chsc,
322 		       min_t(u16, chsc->length, CHSC_MAX_REQUEST_LEN));
323 		chsc = (struct chsc_header *) ((char *) chsc + chsc->length);
324 		__entry->rcode = chsc->code;
325 		memcpy(&entry->response, chsc,
326 		       min_t(u16, chsc->length, CHSC_MAX_RESPONSE_LEN));
327 	),
328 	TP_printk("code=0x%04x cc=%d rcode=0x%04x", __entry->code,
329 		  __entry->cc, __entry->rcode)
330 );
331 
332 /**
333  * s390_cio_interrupt - An I/O interrupt occurred
334  * @tpi_info: Address of the I/O interruption code
335  */
336 TRACE_EVENT(s390_cio_interrupt,
337 	TP_PROTO(struct tpi_info *tpi_info),
338 	TP_ARGS(tpi_info),
339 	TP_STRUCT__entry(
340 		__field_struct(struct tpi_info, tpi_info)
341 		__field(u8, cssid)
342 		__field(u8, ssid)
343 		__field(u16, schno)
344 		__field(u8, isc)
345 		__field(u8, type)
346 	),
347 	TP_fast_assign(
348 		__entry->tpi_info = *tpi_info;
349 		__entry->cssid = tpi_info->schid.cssid;
350 		__entry->ssid = tpi_info->schid.ssid;
351 		__entry->schno = tpi_info->schid.sch_no;
352 		__entry->isc = tpi_info->isc;
353 		__entry->type = tpi_info->type;
354 	),
355 	TP_printk("schid=%x.%x.%04x isc=%d type=%d",
356 		  __entry->cssid, __entry->ssid, __entry->schno,
357 		  __entry->isc, __entry->type
358 	)
359 );
360 
361 /**
362  * s390_cio_adapter_int - An adapter interrupt occurred
363  * @tpi_info: Address of the I/O interruption code
364  */
365 TRACE_EVENT(s390_cio_adapter_int,
366 	TP_PROTO(struct tpi_info *tpi_info),
367 	TP_ARGS(tpi_info),
368 	TP_STRUCT__entry(
369 		__field_struct(struct tpi_info, tpi_info)
370 		__field(u8, isc)
371 	),
372 	TP_fast_assign(
373 		__entry->tpi_info = *tpi_info;
374 		__entry->isc = tpi_info->isc;
375 	),
376 	TP_printk("isc=%d", __entry->isc)
377 );
378 
379 /**
380  * s390_cio_stcrw - Store Channel Report Word (STCRW) was performed
381  * @crw: Channel Report Word
382  * @cc: Condition code
383  */
384 TRACE_EVENT(s390_cio_stcrw,
385 	TP_PROTO(struct crw *crw, int cc),
386 	TP_ARGS(crw, cc),
387 	TP_STRUCT__entry(
388 		__field_struct(struct crw, crw)
389 		__field(int, cc)
390 		__field(u8, slct)
391 		__field(u8, oflw)
392 		__field(u8, chn)
393 		__field(u8, rsc)
394 		__field(u8, anc)
395 		__field(u8, erc)
396 		__field(u16, rsid)
397 	),
398 	TP_fast_assign(
399 		__entry->crw = *crw;
400 		__entry->cc = cc;
401 		__entry->slct = crw->slct;
402 		__entry->oflw = crw->oflw;
403 		__entry->chn = crw->chn;
404 		__entry->rsc = crw->rsc;
405 		__entry->anc = crw->anc;
406 		__entry->erc = crw->erc;
407 		__entry->rsid = crw->rsid;
408 	),
409 	TP_printk("cc=%d slct=%d oflw=%d chn=%d rsc=%d anc=%d erc=0x%x "
410 		  "rsid=0x%x",
411 		  __entry->cc, __entry->slct, __entry->oflw,
412 		  __entry->chn, __entry->rsc,  __entry->anc,
413 		  __entry->erc, __entry->rsid
414 	)
415 );
416 
417 #endif /* _TRACE_S390_CIO_H */
418 
419 /* This part must be outside protection */
420 #undef TRACE_INCLUDE_PATH
421 #define TRACE_INCLUDE_PATH .
422 
423 #undef TRACE_INCLUDE_FILE
424 #define TRACE_INCLUDE_FILE trace
425 
426 #include <trace/define_trace.h>
427