v4.19.13 snapshot.
diff --git a/drivers/s390/cio/trace.h b/drivers/s390/cio/trace.h
new file mode 100644
index 0000000..0ebb29b
--- /dev/null
+++ b/drivers/s390/cio/trace.h
@@ -0,0 +1,426 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Tracepoint header for the s390 Common I/O layer (CIO)
+ *
+ * Copyright IBM Corp. 2015
+ * Author(s): Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
+ */
+
+#include <linux/kernel.h>
+#include <asm/crw.h>
+#include <uapi/asm/chpid.h>
+#include <uapi/asm/schid.h>
+#include "cio.h"
+#include "orb.h"
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM s390
+
+#if !defined(_TRACE_S390_CIO_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_S390_CIO_H
+
+#include <linux/tracepoint.h>
+
+DECLARE_EVENT_CLASS(s390_class_schib,
+ TP_PROTO(struct subchannel_id schid, struct schib *schib, int cc),
+ TP_ARGS(schid, schib, cc),
+ TP_STRUCT__entry(
+ __field(u8, cssid)
+ __field(u8, ssid)
+ __field(u16, schno)
+ __field(u16, devno)
+ __field_struct(struct schib, schib)
+ __field(u8, pmcw_ena)
+ __field(u8, pmcw_st)
+ __field(u8, pmcw_dnv)
+ __field(u16, pmcw_dev)
+ __field(u8, pmcw_lpm)
+ __field(u8, pmcw_pnom)
+ __field(u8, pmcw_lpum)
+ __field(u8, pmcw_pim)
+ __field(u8, pmcw_pam)
+ __field(u8, pmcw_pom)
+ __field(u64, pmcw_chpid)
+ __field(int, cc)
+ ),
+ TP_fast_assign(
+ __entry->cssid = schid.cssid;
+ __entry->ssid = schid.ssid;
+ __entry->schno = schid.sch_no;
+ __entry->devno = schib->pmcw.dev;
+ __entry->schib = *schib;
+ __entry->pmcw_ena = schib->pmcw.ena;
+ __entry->pmcw_st = schib->pmcw.ena;
+ __entry->pmcw_dnv = schib->pmcw.dnv;
+ __entry->pmcw_dev = schib->pmcw.dev;
+ __entry->pmcw_lpm = schib->pmcw.lpm;
+ __entry->pmcw_pnom = schib->pmcw.pnom;
+ __entry->pmcw_lpum = schib->pmcw.lpum;
+ __entry->pmcw_pim = schib->pmcw.pim;
+ __entry->pmcw_pam = schib->pmcw.pam;
+ __entry->pmcw_pom = schib->pmcw.pom;
+ memcpy(&__entry->pmcw_chpid, &schib->pmcw.chpid, 8);
+ __entry->cc = cc;
+ ),
+ TP_printk("schid=%x.%x.%04x cc=%d ena=%d st=%d dnv=%d dev=%04x "
+ "lpm=0x%02x pnom=0x%02x lpum=0x%02x pim=0x%02x pam=0x%02x "
+ "pom=0x%02x chpids=%016llx",
+ __entry->cssid, __entry->ssid, __entry->schno, __entry->cc,
+ __entry->pmcw_ena, __entry->pmcw_st,
+ __entry->pmcw_dnv, __entry->pmcw_dev,
+ __entry->pmcw_lpm, __entry->pmcw_pnom,
+ __entry->pmcw_lpum, __entry->pmcw_pim,
+ __entry->pmcw_pam, __entry->pmcw_pom,
+ __entry->pmcw_chpid
+ )
+);
+
+/**
+ * s390_cio_stsch - Store Subchannel instruction (STSCH) was performed
+ * @schid: Subchannel ID
+ * @schib: Subchannel-Information block
+ * @cc: Condition code
+ */
+DEFINE_EVENT(s390_class_schib, s390_cio_stsch,
+ TP_PROTO(struct subchannel_id schid, struct schib *schib, int cc),
+ TP_ARGS(schid, schib, cc)
+);
+
+/**
+ * s390_cio_msch - Modify Subchannel instruction (MSCH) was performed
+ * @schid: Subchannel ID
+ * @schib: Subchannel-Information block
+ * @cc: Condition code
+ */
+DEFINE_EVENT(s390_class_schib, s390_cio_msch,
+ TP_PROTO(struct subchannel_id schid, struct schib *schib, int cc),
+ TP_ARGS(schid, schib, cc)
+);
+
+/**
+ * s390_cio_tsch - Test Subchannel instruction (TSCH) was performed
+ * @schid: Subchannel ID
+ * @irb: Interruption-Response Block
+ * @cc: Condition code
+ */
+TRACE_EVENT(s390_cio_tsch,
+ TP_PROTO(struct subchannel_id schid, struct irb *irb, int cc),
+ TP_ARGS(schid, irb, cc),
+ TP_STRUCT__entry(
+ __field(u8, cssid)
+ __field(u8, ssid)
+ __field(u16, schno)
+ __field_struct(struct irb, irb)
+ __field(u8, scsw_dcc)
+ __field(u8, scsw_pno)
+ __field(u8, scsw_fctl)
+ __field(u8, scsw_actl)
+ __field(u8, scsw_stctl)
+ __field(u8, scsw_dstat)
+ __field(u8, scsw_cstat)
+ __field(int, cc)
+ ),
+ TP_fast_assign(
+ __entry->cssid = schid.cssid;
+ __entry->ssid = schid.ssid;
+ __entry->schno = schid.sch_no;
+ __entry->irb = *irb;
+ __entry->scsw_dcc = scsw_cc(&irb->scsw);
+ __entry->scsw_pno = scsw_pno(&irb->scsw);
+ __entry->scsw_fctl = scsw_fctl(&irb->scsw);
+ __entry->scsw_actl = scsw_actl(&irb->scsw);
+ __entry->scsw_stctl = scsw_stctl(&irb->scsw);
+ __entry->scsw_dstat = scsw_dstat(&irb->scsw);
+ __entry->scsw_cstat = scsw_cstat(&irb->scsw);
+ __entry->cc = cc;
+ ),
+ TP_printk("schid=%x.%x.%04x cc=%d dcc=%d pno=%d fctl=0x%x actl=0x%x "
+ "stctl=0x%x dstat=0x%x cstat=0x%x",
+ __entry->cssid, __entry->ssid, __entry->schno, __entry->cc,
+ __entry->scsw_dcc, __entry->scsw_pno,
+ __entry->scsw_fctl, __entry->scsw_actl,
+ __entry->scsw_stctl,
+ __entry->scsw_dstat, __entry->scsw_cstat
+ )
+);
+
+/**
+ * s390_cio_tpi - Test Pending Interruption instruction (TPI) was performed
+ * @addr: Address of the I/O interruption code or %NULL
+ * @cc: Condition code
+ */
+TRACE_EVENT(s390_cio_tpi,
+ TP_PROTO(struct tpi_info *addr, int cc),
+ TP_ARGS(addr, cc),
+ TP_STRUCT__entry(
+ __field(int, cc)
+ __field_struct(struct tpi_info, tpi_info)
+ __field(u8, cssid)
+ __field(u8, ssid)
+ __field(u16, schno)
+ __field(u8, adapter_IO)
+ __field(u8, isc)
+ __field(u8, type)
+ ),
+ TP_fast_assign(
+ __entry->cc = cc;
+ if (cc != 0)
+ memset(&__entry->tpi_info, 0, sizeof(struct tpi_info));
+ else if (addr)
+ __entry->tpi_info = *addr;
+ else {
+ memcpy(&__entry->tpi_info, &S390_lowcore.subchannel_id,
+ sizeof(struct tpi_info));
+ }
+ __entry->cssid = __entry->tpi_info.schid.cssid;
+ __entry->ssid = __entry->tpi_info.schid.ssid;
+ __entry->schno = __entry->tpi_info.schid.sch_no;
+ __entry->adapter_IO = __entry->tpi_info.adapter_IO;
+ __entry->isc = __entry->tpi_info.isc;
+ __entry->type = __entry->tpi_info.type;
+ ),
+ TP_printk("schid=%x.%x.%04x cc=%d a=%d isc=%d type=%d",
+ __entry->cssid, __entry->ssid, __entry->schno, __entry->cc,
+ __entry->adapter_IO, __entry->isc,
+ __entry->type
+ )
+);
+
+/**
+ * s390_cio_ssch - Start Subchannel instruction (SSCH) was performed
+ * @schid: Subchannel ID
+ * @orb: Operation-Request Block
+ * @cc: Condition code
+ */
+TRACE_EVENT(s390_cio_ssch,
+ TP_PROTO(struct subchannel_id schid, union orb *orb, int cc),
+ TP_ARGS(schid, orb, cc),
+ TP_STRUCT__entry(
+ __field(u8, cssid)
+ __field(u8, ssid)
+ __field(u16, schno)
+ __field_struct(union orb, orb)
+ __field(int, cc)
+ ),
+ TP_fast_assign(
+ __entry->cssid = schid.cssid;
+ __entry->ssid = schid.ssid;
+ __entry->schno = schid.sch_no;
+ __entry->orb = *orb;
+ __entry->cc = cc;
+ ),
+ TP_printk("schid=%x.%x.%04x cc=%d", __entry->cssid, __entry->ssid,
+ __entry->schno, __entry->cc
+ )
+);
+
+DECLARE_EVENT_CLASS(s390_class_schid,
+ TP_PROTO(struct subchannel_id schid, int cc),
+ TP_ARGS(schid, cc),
+ TP_STRUCT__entry(
+ __field(u8, cssid)
+ __field(u8, ssid)
+ __field(u16, schno)
+ __field(int, cc)
+ ),
+ TP_fast_assign(
+ __entry->cssid = schid.cssid;
+ __entry->ssid = schid.ssid;
+ __entry->schno = schid.sch_no;
+ __entry->cc = cc;
+ ),
+ TP_printk("schid=%x.%x.%04x cc=%d", __entry->cssid, __entry->ssid,
+ __entry->schno, __entry->cc
+ )
+);
+
+/**
+ * s390_cio_csch - Clear Subchannel instruction (CSCH) was performed
+ * @schid: Subchannel ID
+ * @cc: Condition code
+ */
+DEFINE_EVENT(s390_class_schid, s390_cio_csch,
+ TP_PROTO(struct subchannel_id schid, int cc),
+ TP_ARGS(schid, cc)
+);
+
+/**
+ * s390_cio_hsch - Halt Subchannel instruction (HSCH) was performed
+ * @schid: Subchannel ID
+ * @cc: Condition code
+ */
+DEFINE_EVENT(s390_class_schid, s390_cio_hsch,
+ TP_PROTO(struct subchannel_id schid, int cc),
+ TP_ARGS(schid, cc)
+);
+
+/**
+ * s390_cio_xsch - Cancel Subchannel instruction (XSCH) was performed
+ * @schid: Subchannel ID
+ * @cc: Condition code
+ */
+DEFINE_EVENT(s390_class_schid, s390_cio_xsch,
+ TP_PROTO(struct subchannel_id schid, int cc),
+ TP_ARGS(schid, cc)
+);
+
+/**
+ * s390_cio_rsch - Resume Subchannel instruction (RSCH) was performed
+ * @schid: Subchannel ID
+ * @cc: Condition code
+ */
+DEFINE_EVENT(s390_class_schid, s390_cio_rsch,
+ TP_PROTO(struct subchannel_id schid, int cc),
+ TP_ARGS(schid, cc)
+);
+
+/**
+ * s390_cio_rchp - Reset Channel Path (RCHP) instruction was performed
+ * @chpid: Channel-Path Identifier
+ * @cc: Condition code
+ */
+TRACE_EVENT(s390_cio_rchp,
+ TP_PROTO(struct chp_id chpid, int cc),
+ TP_ARGS(chpid, cc),
+ TP_STRUCT__entry(
+ __field(u8, cssid)
+ __field(u8, id)
+ __field(int, cc)
+ ),
+ TP_fast_assign(
+ __entry->cssid = chpid.cssid;
+ __entry->id = chpid.id;
+ __entry->cc = cc;
+ ),
+ TP_printk("chpid=%x.%02x cc=%d", __entry->cssid, __entry->id,
+ __entry->cc
+ )
+);
+
+#define CHSC_MAX_REQUEST_LEN 64
+#define CHSC_MAX_RESPONSE_LEN 64
+
+/**
+ * s390_cio_chsc - Channel Subsystem Call (CHSC) instruction was performed
+ * @chsc: CHSC block
+ * @cc: Condition code
+ */
+TRACE_EVENT(s390_cio_chsc,
+ TP_PROTO(struct chsc_header *chsc, int cc),
+ TP_ARGS(chsc, cc),
+ TP_STRUCT__entry(
+ __field(int, cc)
+ __field(u16, code)
+ __field(u16, rcode)
+ __array(u8, request, CHSC_MAX_REQUEST_LEN)
+ __array(u8, response, CHSC_MAX_RESPONSE_LEN)
+ ),
+ TP_fast_assign(
+ __entry->cc = cc;
+ __entry->code = chsc->code;
+ memcpy(&entry->request, chsc,
+ min_t(u16, chsc->length, CHSC_MAX_REQUEST_LEN));
+ chsc = (struct chsc_header *) ((char *) chsc + chsc->length);
+ __entry->rcode = chsc->code;
+ memcpy(&entry->response, chsc,
+ min_t(u16, chsc->length, CHSC_MAX_RESPONSE_LEN));
+ ),
+ TP_printk("code=0x%04x cc=%d rcode=0x%04x", __entry->code,
+ __entry->cc, __entry->rcode)
+);
+
+/**
+ * s390_cio_interrupt - An I/O interrupt occurred
+ * @tpi_info: Address of the I/O interruption code
+ */
+TRACE_EVENT(s390_cio_interrupt,
+ TP_PROTO(struct tpi_info *tpi_info),
+ TP_ARGS(tpi_info),
+ TP_STRUCT__entry(
+ __field_struct(struct tpi_info, tpi_info)
+ __field(u8, cssid)
+ __field(u8, ssid)
+ __field(u16, schno)
+ __field(u8, isc)
+ __field(u8, type)
+ ),
+ TP_fast_assign(
+ __entry->tpi_info = *tpi_info;
+ __entry->cssid = tpi_info->schid.cssid;
+ __entry->ssid = tpi_info->schid.ssid;
+ __entry->schno = tpi_info->schid.sch_no;
+ __entry->isc = tpi_info->isc;
+ __entry->type = tpi_info->type;
+ ),
+ TP_printk("schid=%x.%x.%04x isc=%d type=%d",
+ __entry->cssid, __entry->ssid, __entry->schno,
+ __entry->isc, __entry->type
+ )
+);
+
+/**
+ * s390_cio_adapter_int - An adapter interrupt occurred
+ * @tpi_info: Address of the I/O interruption code
+ */
+TRACE_EVENT(s390_cio_adapter_int,
+ TP_PROTO(struct tpi_info *tpi_info),
+ TP_ARGS(tpi_info),
+ TP_STRUCT__entry(
+ __field_struct(struct tpi_info, tpi_info)
+ __field(u8, isc)
+ ),
+ TP_fast_assign(
+ __entry->tpi_info = *tpi_info;
+ __entry->isc = tpi_info->isc;
+ ),
+ TP_printk("isc=%d", __entry->isc)
+);
+
+/**
+ * s390_cio_stcrw - Store Channel Report Word (STCRW) was performed
+ * @crw: Channel Report Word
+ * @cc: Condition code
+ */
+TRACE_EVENT(s390_cio_stcrw,
+ TP_PROTO(struct crw *crw, int cc),
+ TP_ARGS(crw, cc),
+ TP_STRUCT__entry(
+ __field_struct(struct crw, crw)
+ __field(int, cc)
+ __field(u8, slct)
+ __field(u8, oflw)
+ __field(u8, chn)
+ __field(u8, rsc)
+ __field(u8, anc)
+ __field(u8, erc)
+ __field(u16, rsid)
+ ),
+ TP_fast_assign(
+ __entry->crw = *crw;
+ __entry->cc = cc;
+ __entry->slct = crw->slct;
+ __entry->oflw = crw->oflw;
+ __entry->chn = crw->chn;
+ __entry->rsc = crw->rsc;
+ __entry->anc = crw->anc;
+ __entry->erc = crw->erc;
+ __entry->rsid = crw->rsid;
+ ),
+ TP_printk("cc=%d slct=%d oflw=%d chn=%d rsc=%d anc=%d erc=0x%x "
+ "rsid=0x%x",
+ __entry->cc, __entry->slct, __entry->oflw,
+ __entry->chn, __entry->rsc, __entry->anc,
+ __entry->erc, __entry->rsid
+ )
+);
+
+#endif /* _TRACE_S390_CIO_H */
+
+/* This part must be outside protection */
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_FILE trace
+
+#include <trace/define_trace.h>