drivers/s390/cio/trace.h

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