s390-bios: Clean up cio.h

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

View file

@ -77,28 +77,28 @@ struct scsw {
/* /*
* subchannel information block * subchannel information block
*/ */
struct schib { typedef struct schib {
struct pmcw pmcw; /* path management control word */ struct pmcw pmcw; /* path management control word */
struct scsw scsw; /* subchannel status word */ struct scsw scsw; /* subchannel status word */
__u64 mba; /* measurement block address */ __u64 mba; /* measurement block address */
__u8 mda[4]; /* model dependent area */ __u8 mda[4]; /* model dependent area */
} __attribute__ ((packed,aligned(4))); } __attribute__ ((packed, aligned(4))) Schib;
struct subchannel_id { typedef struct subchannel_id {
__u32 cssid:8; __u32 cssid:8;
__u32:4; __u32:4;
__u32 m:1; __u32 m:1;
__u32 ssid:2; __u32 ssid:2;
__u32 one:1; __u32 one:1;
__u32 sch_no:16; __u32 sch_no:16;
} __attribute__ ((packed, aligned(4))); } __attribute__ ((packed, aligned(4))) SubChannelId;
struct chsc_header { struct chsc_header {
__u16 length; __u16 length;
__u16 code; __u16 code;
} __attribute__((packed)); } __attribute__((packed));
struct chsc_area_sda { typedef struct chsc_area_sda {
struct chsc_header request; struct chsc_header request;
__u8 reserved1:4; __u8 reserved1:4;
__u8 format:4; __u8 format:4;
@ -111,7 +111,7 @@ struct chsc_area_sda {
__u32 reserved5:4; __u32 reserved5:4;
__u32 format2:4; __u32 format2:4;
__u32 reserved6:24; __u32 reserved6:24;
} __attribute__((packed)); } __attribute__((packed)) ChscAreaSda;
/* /*
* TPI info structure * TPI info structure
@ -128,12 +128,12 @@ struct tpi_info {
} __attribute__ ((packed, aligned(4))); } __attribute__ ((packed, aligned(4)));
/* channel command word (type 1) */ /* channel command word (type 1) */
struct ccw1 { typedef struct ccw1 {
__u8 cmd_code; __u8 cmd_code;
__u8 flags; __u8 flags;
__u16 count; __u16 count;
__u32 cda; __u32 cda;
} __attribute__ ((packed, aligned(8))); } __attribute__ ((packed, aligned(8))) Ccw1;
#define CCW_FLAG_DC 0x80 #define CCW_FLAG_DC 0x80
#define CCW_FLAG_CC 0x40 #define CCW_FLAG_CC 0x40
@ -162,7 +162,7 @@ struct ccw1 {
/* /*
* Command-mode operation request block * Command-mode operation request block
*/ */
struct cmd_orb { typedef struct cmd_orb {
__u32 intparm; /* interruption parameter */ __u32 intparm; /* interruption parameter */
__u32 key:4; /* flags, like key, suspend control, etc. */ __u32 key:4; /* flags, like key, suspend control, etc. */
__u32 spnd:1; /* suspend control */ __u32 spnd:1; /* suspend control */
@ -182,7 +182,7 @@ struct cmd_orb {
__u32 zero:6; /* reserved zeros */ __u32 zero:6; /* reserved zeros */
__u32 orbx:1; /* ORB extension control */ __u32 orbx:1; /* ORB extension control */
__u32 cpa; /* channel program address */ __u32 cpa; /* channel program address */
} __attribute__ ((packed, aligned(4))); } __attribute__ ((packed, aligned(4))) CmdOrb;
struct ciw { struct ciw {
__u8 type; __u8 type;
@ -193,7 +193,7 @@ struct ciw {
/* /*
* sense-id response buffer layout * sense-id response buffer layout
*/ */
struct senseid { typedef struct senseid {
/* common part */ /* common part */
__u8 reserved; /* always 0x'FF' */ __u8 reserved; /* always 0x'FF' */
__u16 cu_type; /* control unit type */ __u16 cu_type; /* control unit type */
@ -203,15 +203,15 @@ struct senseid {
__u8 unused; /* padding byte */ __u8 unused; /* padding byte */
/* extended part */ /* extended part */
struct ciw ciw[62]; struct ciw ciw[62];
} __attribute__ ((packed, aligned(4))); } __attribute__ ((packed, aligned(4))) SenseId;
/* interruption response block */ /* interruption response block */
struct irb { typedef struct irb {
struct scsw scsw; struct scsw scsw;
__u32 esw[5]; __u32 esw[5];
__u32 ecw[8]; __u32 ecw[8];
__u32 emw[8]; __u32 emw[8];
} __attribute__ ((packed, aligned(4))); } __attribute__ ((packed, aligned(4))) Irb;
/* /*
* Some S390 specific IO instructions as inline * Some S390 specific IO instructions as inline

View file

@ -49,14 +49,6 @@ typedef unsigned long long __u64;
#include "cio.h" #include "cio.h"
#include "iplb.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 */ /* start.s */
void disabled_wait(void); void disabled_wait(void);
void consume_sclp_int(void); void consume_sclp_int(void);