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s390-bios: Clean up cio.h

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Add proper typedefs to all structs and modify all bit fields to use consistent
formatting.

Signed-off-by: Jason J. Herne <jjherne@linux.ibm.com>
Reviewed-by: Collin Walling <walling@linux.ibm.com>
Reviewed-by: Farhan Ali <alifm@linux.ibm.com>
Acked-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1554388475-18329-5-git-send-email-jjherne@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This commit is contained in:
Jason J. Herne 2019-04-04 10:34:23 -04:00 committed by Thomas Huth
parent a5f6e0975b
commit d96c5db77f
2 changed files with 56 additions and 64 deletions
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112
pc-bios/s390-ccw/cio.h
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@ -17,35 +17,35 @@
* path management control word
*/
struct pmcw {
__u32 intparm; /* interruption parameter */
__u32 qf : 1; /* qdio facility */
__u32 w : 1;
__u32 isc : 3; /* interruption sublass */
__u32 res5 : 3; /* reserved zeros */
__u32 ena : 1; /* enabled */
__u32 lm : 2; /* limit mode */
__u32 mme : 2; /* measurement-mode enable */
__u32 mp : 1; /* multipath mode */
__u32 tf : 1; /* timing facility */
__u32 dnv : 1; /* device number valid */
__u32 dev : 16; /* device number */
__u8 lpm; /* logical path mask */
__u8 pnom; /* path not operational mask */
__u8 lpum; /* last path used mask */
__u8 pim; /* path installed mask */
__u16 mbi; /* measurement-block index */
__u8 pom; /* path operational mask */
__u8 pam; /* path available mask */
__u8 chpid[8]; /* CHPID 0-7 (if available) */
__u32 unused1 : 8; /* reserved zeros */
__u32 st : 3; /* subchannel type */
__u32 unused2 : 18; /* reserved zeros */
__u32 mbfc : 1; /* measurement block format control */
__u32 xmwme : 1; /* extended measurement word mode enable */
__u32 csense : 1; /* concurrent sense; can be enabled ...*/
/* ... per MSCH, however, if facility */
/* ... is not installed, this results */
/* ... in an operand exception. */
__u32 intparm; /* interruption parameter */
__u32 qf:1; /* qdio facility */
__u32 w:1;
__u32 isc:3; /* interruption sublass */
__u32 res5:3; /* reserved zeros */
__u32 ena:1; /* enabled */
__u32 lm:2; /* limit mode */
__u32 mme:2; /* measurement-mode enable */
__u32 mp:1; /* multipath mode */
__u32 tf:1; /* timing facility */
__u32 dnv:1; /* device number valid */
__u32 dev:16; /* device number */
__u8 lpm; /* logical path mask */
__u8 pnom; /* path not operational mask */
__u8 lpum; /* last path used mask */
__u8 pim; /* path installed mask */
__u16 mbi; /* measurement-block index */
__u8 pom; /* path operational mask */
__u8 pam; /* path available mask */
__u8 chpid[8]; /* CHPID 0-7 (if available) */
__u32 unused1:8; /* reserved zeros */
__u32 st:3; /* subchannel type */
__u32 unused2:18; /* reserved zeros */
__u32 mbfc:1; /* measurement block format control */
__u32 xmwme:1; /* extended measurement word mode enable */
__u32 csense:1; /* concurrent sense; can be enabled ...*/
/* ... per MSCH, however, if facility */
/* ... is not installed, this results */
/* ... in an operand exception. */
} __attribute__ ((packed));
/* Target SCHIB configuration. */
@ -77,28 +77,28 @@ struct scsw {
/*
* subchannel information block
*/
struct schib {
typedef struct schib {
struct pmcw pmcw; /* path management control word */
struct scsw scsw; /* subchannel status word */
__u64 mba; /* measurement block address */
__u8 mda[4]; /* model dependent area */
} __attribute__ ((packed,aligned(4)));
} __attribute__ ((packed, aligned(4))) Schib;
struct subchannel_id {
__u32 cssid : 8;
__u32 : 4;
__u32 m : 1;
__u32 ssid : 2;
__u32 one : 1;
__u32 sch_no : 16;
} __attribute__ ((packed, aligned(4)));
typedef struct subchannel_id {
__u32 cssid:8;
__u32:4;
__u32 m:1;
__u32 ssid:2;
__u32 one:1;
__u32 sch_no:16;
} __attribute__ ((packed, aligned(4))) SubChannelId;
struct chsc_header {
__u16 length;
__u16 code;
} __attribute__((packed));
struct chsc_area_sda {
typedef struct chsc_area_sda {
struct chsc_header request;
__u8 reserved1:4;
__u8 format:4;
@ -111,29 +111,29 @@ struct chsc_area_sda {
__u32 reserved5:4;
__u32 format2:4;
__u32 reserved6:24;
} __attribute__((packed));
} __attribute__((packed)) ChscAreaSda;
/*
* TPI info structure
*/
struct tpi_info {
struct subchannel_id schid;
__u32 intparm; /* interruption parameter */
__u32 adapter_IO : 1;
__u32 reserved2 : 1;
__u32 isc : 3;
__u32 reserved3 : 12;
__u32 int_type : 3;
__u32 reserved4 : 12;
__u32 intparm; /* interruption parameter */
__u32 adapter_IO:1;
__u32 reserved2:1;
__u32 isc:3;
__u32 reserved3:12;
__u32 int_type:3;
__u32 reserved4:12;
} __attribute__ ((packed, aligned(4)));
/* channel command word (type 1) */
struct ccw1 {
typedef struct ccw1 {
__u8 cmd_code;
__u8 flags;
__u16 count;
__u32 cda;
} __attribute__ ((packed, aligned(8)));
} __attribute__ ((packed, aligned(8))) Ccw1;
#define CCW_FLAG_DC 0x80
#define CCW_FLAG_CC 0x40
@ -162,7 +162,7 @@ struct ccw1 {
/*
* Command-mode operation request block
*/
struct cmd_orb {
typedef struct cmd_orb {
__u32 intparm; /* interruption parameter */
__u32 key:4; /* flags, like key, suspend control, etc. */
__u32 spnd:1; /* suspend control */
@ -182,7 +182,7 @@ struct cmd_orb {
__u32 zero:6; /* reserved zeros */
__u32 orbx:1; /* ORB extension control */
__u32 cpa; /* channel program address */
} __attribute__ ((packed, aligned(4)));
} __attribute__ ((packed, aligned(4))) CmdOrb;
struct ciw {
__u8 type;
@ -193,7 +193,7 @@ struct ciw {
/*
* sense-id response buffer layout
*/
struct senseid {
typedef struct senseid {
/* common part */
__u8 reserved; /* always 0x'FF' */
__u16 cu_type; /* control unit type */
@ -203,15 +203,15 @@ struct senseid {
__u8 unused; /* padding byte */
/* extended part */
struct ciw ciw[62];
} __attribute__ ((packed, aligned(4)));
} __attribute__ ((packed, aligned(4))) SenseId;
/* interruption response block */
struct irb {
typedef struct irb {
struct scsw scsw;
__u32 esw[5];
__u32 ecw[8];
__u32 emw[8];
} __attribute__ ((packed, aligned(4)));
} __attribute__ ((packed, aligned(4))) Irb;
/*
* Some S390 specific IO instructions as inline

8
pc-bios/s390-ccw/s390-ccw.h
View File

@ -49,14 +49,6 @@ typedef unsigned long long __u64;
#include "cio.h"
#include "iplb.h"
typedef struct irb Irb;
typedef struct ccw1 Ccw1;
typedef struct cmd_orb CmdOrb;
typedef struct schib Schib;
typedef struct chsc_area_sda ChscAreaSda;
typedef struct senseid SenseId;
typedef struct subchannel_id SubChannelId;
/* start.s */
void disabled_wait(void);
void consume_sclp_int(void);