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From fc07c126ddd0796c1996b2e527e69486c9c848b9 Mon Sep 17 00:00:00 2001
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From: Thomas Huth <thuth@redhat.com>
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Date: Mon, 14 Oct 2019 10:06:33 +0100
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Subject: [PATCH 08/21] s390-bios: Clean up cio.h
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RH-Author: Thomas Huth <thuth@redhat.com>
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Message-id: <20191014100645.22862-6-thuth@redhat.com>
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Patchwork-id: 91782
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O-Subject: [RHEL-8.2.0 qemu-kvm PATCH v2 05/17] s390-bios: Clean up cio.h
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Bugzilla: 1664376
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RH-Acked-by: Cornelia Huck <cohuck@redhat.com>
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RH-Acked-by: David Hildenbrand <david@redhat.com>
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RH-Acked-by: Jens Freimann <jfreimann@redhat.com>
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From: "Jason J. Herne" <jjherne@linux.ibm.com>
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Add proper typedefs to all structs and modify all bit fields to use consistent
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formatting.
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Signed-off-by: Jason J. Herne <jjherne@linux.ibm.com>
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Reviewed-by: Collin Walling <walling@linux.ibm.com>
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Reviewed-by: Farhan Ali <alifm@linux.ibm.com>
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Acked-by: Cornelia Huck <cohuck@redhat.com>
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Reviewed-by: Thomas Huth <thuth@redhat.com>
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Message-Id: <1554388475-18329-5-git-send-email-jjherne@linux.ibm.com>
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Signed-off-by: Thomas Huth <thuth@redhat.com>
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(cherry picked from commit d96c5db77f1058ee9509554f43b945c66b3aa7c9)
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Signed-off-by: Danilo C. L. de Paula <ddepaula@redhat.com>
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---
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pc-bios/s390-ccw/cio.h | 114 ++++++++++++++++++++++----------------------
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pc-bios/s390-ccw/s390-ccw.h | 8 ----
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2 files changed, 57 insertions(+), 65 deletions(-)
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diff --git a/pc-bios/s390-ccw/cio.h b/pc-bios/s390-ccw/cio.h
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index 1a0795f..ed5b2cb 100644
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--- a/pc-bios/s390-ccw/cio.h
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+++ b/pc-bios/s390-ccw/cio.h
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@@ -17,35 +17,35 @@
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* path management control word
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*/
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struct pmcw {
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- __u32 intparm; /* interruption parameter */
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- __u32 qf : 1; /* qdio facility */
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- __u32 w : 1;
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- __u32 isc : 3; /* interruption sublass */
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- __u32 res5 : 3; /* reserved zeros */
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- __u32 ena : 1; /* enabled */
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- __u32 lm : 2; /* limit mode */
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- __u32 mme : 2; /* measurement-mode enable */
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- __u32 mp : 1; /* multipath mode */
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- __u32 tf : 1; /* timing facility */
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- __u32 dnv : 1; /* device number valid */
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- __u32 dev : 16; /* device number */
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- __u8 lpm; /* logical path mask */
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- __u8 pnom; /* path not operational mask */
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- __u8 lpum; /* last path used mask */
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- __u8 pim; /* path installed mask */
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- __u16 mbi; /* measurement-block index */
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- __u8 pom; /* path operational mask */
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- __u8 pam; /* path available mask */
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- __u8 chpid[8]; /* CHPID 0-7 (if available) */
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- __u32 unused1 : 8; /* reserved zeros */
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- __u32 st : 3; /* subchannel type */
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- __u32 unused2 : 18; /* reserved zeros */
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- __u32 mbfc : 1; /* measurement block format control */
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- __u32 xmwme : 1; /* extended measurement word mode enable */
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- __u32 csense : 1; /* concurrent sense; can be enabled ...*/
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- /* ... per MSCH, however, if facility */
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- /* ... is not installed, this results */
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- /* ... in an operand exception. */
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+ __u32 intparm; /* interruption parameter */
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+ __u32 qf:1; /* qdio facility */
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+ __u32 w:1;
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+ __u32 isc:3; /* interruption sublass */
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+ __u32 res5:3; /* reserved zeros */
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+ __u32 ena:1; /* enabled */
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+ __u32 lm:2; /* limit mode */
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+ __u32 mme:2; /* measurement-mode enable */
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+ __u32 mp:1; /* multipath mode */
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+ __u32 tf:1; /* timing facility */
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+ __u32 dnv:1; /* device number valid */
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+ __u32 dev:16; /* device number */
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+ __u8 lpm; /* logical path mask */
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+ __u8 pnom; /* path not operational mask */
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+ __u8 lpum; /* last path used mask */
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+ __u8 pim; /* path installed mask */
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+ __u16 mbi; /* measurement-block index */
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+ __u8 pom; /* path operational mask */
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+ __u8 pam; /* path available mask */
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+ __u8 chpid[8]; /* CHPID 0-7 (if available) */
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+ __u32 unused1:8; /* reserved zeros */
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+ __u32 st:3; /* subchannel type */
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+ __u32 unused2:18; /* reserved zeros */
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+ __u32 mbfc:1; /* measurement block format control */
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+ __u32 xmwme:1; /* extended measurement word mode enable */
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+ __u32 csense:1; /* concurrent sense; can be enabled ...*/
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+ /* ... per MSCH, however, if facility */
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+ /* ... is not installed, this results */
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+ /* ... in an operand exception. */
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} __attribute__ ((packed));
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/* Target SCHIB configuration. */
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@@ -77,28 +77,28 @@ struct scsw {
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/*
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* subchannel information block
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*/
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-struct schib {
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+typedef struct schib {
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struct pmcw pmcw; /* path management control word */
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struct scsw scsw; /* subchannel status word */
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__u64 mba; /* measurement block address */
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__u8 mda[4]; /* model dependent area */
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-} __attribute__ ((packed,aligned(4)));
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-
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-struct subchannel_id {
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- __u32 cssid : 8;
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- __u32 : 4;
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- __u32 m : 1;
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- __u32 ssid : 2;
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- __u32 one : 1;
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- __u32 sch_no : 16;
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-} __attribute__ ((packed, aligned(4)));
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+} __attribute__ ((packed, aligned(4))) Schib;
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+
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+typedef struct subchannel_id {
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+ __u32 cssid:8;
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+ __u32:4;
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+ __u32 m:1;
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+ __u32 ssid:2;
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+ __u32 one:1;
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+ __u32 sch_no:16;
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+} __attribute__ ((packed, aligned(4))) SubChannelId;
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struct chsc_header {
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__u16 length;
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__u16 code;
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} __attribute__((packed));
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-struct chsc_area_sda {
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+typedef struct chsc_area_sda {
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struct chsc_header request;
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__u8 reserved1:4;
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__u8 format:4;
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@@ -111,29 +111,29 @@ struct chsc_area_sda {
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__u32 reserved5:4;
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__u32 format2:4;
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__u32 reserved6:24;
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-} __attribute__((packed));
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+} __attribute__((packed)) ChscAreaSda;
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/*
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* TPI info structure
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*/
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struct tpi_info {
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struct subchannel_id schid;
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- __u32 intparm; /* interruption parameter */
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- __u32 adapter_IO : 1;
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- __u32 reserved2 : 1;
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- __u32 isc : 3;
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- __u32 reserved3 : 12;
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- __u32 int_type : 3;
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- __u32 reserved4 : 12;
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+ __u32 intparm; /* interruption parameter */
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+ __u32 adapter_IO:1;
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+ __u32 reserved2:1;
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+ __u32 isc:3;
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+ __u32 reserved3:12;
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+ __u32 int_type:3;
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+ __u32 reserved4:12;
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} __attribute__ ((packed, aligned(4)));
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/* channel command word (type 1) */
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-struct ccw1 {
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+typedef struct ccw1 {
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__u8 cmd_code;
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__u8 flags;
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__u16 count;
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__u32 cda;
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-} __attribute__ ((packed, aligned(8)));
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+} __attribute__ ((packed, aligned(8))) Ccw1;
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#define CCW_FLAG_DC 0x80
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#define CCW_FLAG_CC 0x40
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@@ -162,7 +162,7 @@ struct ccw1 {
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/*
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* Command-mode operation request block
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*/
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-struct cmd_orb {
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+typedef struct cmd_orb {
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__u32 intparm; /* interruption parameter */
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__u32 key:4; /* flags, like key, suspend control, etc. */
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__u32 spnd:1; /* suspend control */
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@@ -182,7 +182,7 @@ struct cmd_orb {
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__u32 zero:6; /* reserved zeros */
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__u32 orbx:1; /* ORB extension control */
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__u32 cpa; /* channel program address */
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-} __attribute__ ((packed, aligned(4)));
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+} __attribute__ ((packed, aligned(4))) CmdOrb;
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struct ciw {
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__u8 type;
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@@ -193,7 +193,7 @@ struct ciw {
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/*
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* sense-id response buffer layout
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*/
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-struct senseid {
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+typedef struct senseid {
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/* common part */
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__u8 reserved; /* always 0x'FF' */
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__u16 cu_type; /* control unit type */
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@@ -203,15 +203,15 @@ struct senseid {
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__u8 unused; /* padding byte */
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/* extended part */
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struct ciw ciw[62];
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-} __attribute__ ((packed, aligned(4)));
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+} __attribute__ ((packed, aligned(4))) SenseId;
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/* interruption response block */
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-struct irb {
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+typedef struct irb {
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struct scsw scsw;
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__u32 esw[5];
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__u32 ecw[8];
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__u32 emw[8];
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-} __attribute__ ((packed, aligned(4)));
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+} __attribute__ ((packed, aligned(4))) Irb;
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/*
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* Some S390 specific IO instructions as inline
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diff --git a/pc-bios/s390-ccw/s390-ccw.h b/pc-bios/s390-ccw/s390-ccw.h
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index 9828aa2..241c6d0 100644
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--- a/pc-bios/s390-ccw/s390-ccw.h
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+++ b/pc-bios/s390-ccw/s390-ccw.h
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@@ -49,14 +49,6 @@ typedef unsigned long long __u64;
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#include "cio.h"
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#include "iplb.h"
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-typedef struct irb Irb;
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-typedef struct ccw1 Ccw1;
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-typedef struct cmd_orb CmdOrb;
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-typedef struct schib Schib;
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-typedef struct chsc_area_sda ChscAreaSda;
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-typedef struct senseid SenseId;
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-typedef struct subchannel_id SubChannelId;
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-
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/* start.s */
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void disabled_wait(void);
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void consume_sclp_int(void);
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--
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1.8.3.1
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