drivers/s390/cio/trace.h

   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>