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[S390] cio: move scsw helper functions to header file 

All scsw helper functions are very short and usage of them shouldn't
result in function calls. Therefore we move them to a separate header
file.
Also saves a lot of EXPORT_SYMBOLs.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Heiko Carstens 2009-09-11 10:28:15 +02:00 committed by Martin Schwidefsky
parent 1f1148c88a
commit 62733e5a5a
5 changed files with 259 additions and 363 deletions
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28
arch/s390/include/asm/chsc.h
View File

@ -125,4 +125,32 @@ struct chsc_cpd_info {
#define CHSC_INFO_CPD _IOWR(CHSC_IOCTL_MAGIC, 0x87, struct chsc_cpd_info) #define CHSC_INFO_CPD _IOWR(CHSC_IOCTL_MAGIC, 0x87, struct chsc_cpd_info)
#define CHSC_INFO_DCAL _IOWR(CHSC_IOCTL_MAGIC, 0x88, struct chsc_dcal) #define CHSC_INFO_DCAL _IOWR(CHSC_IOCTL_MAGIC, 0x88, struct chsc_dcal)
#ifdef __KERNEL__
struct css_general_char {
u64 : 12;
u32 dynio : 1; /* bit 12 */
u32 : 28;
u32 aif : 1; /* bit 41 */
u32 : 3;
u32 mcss : 1; /* bit 45 */
u32 fcs : 1; /* bit 46 */
u32 : 1;
u32 ext_mb : 1; /* bit 48 */
u32 : 7;
u32 aif_tdd : 1; /* bit 56 */
u32 : 1;
u32 qebsm : 1; /* bit 58 */
u32 : 8;
u32 aif_osa : 1; /* bit 67 */
u32 : 14;
u32 cib : 1; /* bit 82 */
u32 : 5;
u32 fcx : 1; /* bit 88 */
u32 : 7;
}__attribute__((packed));
extern struct css_general_char css_general_characteristics;
#endif /* __KERNEL__ */
#endif #endif

223
arch/s390/include/asm/cio.h
View File

@ -15,228 +15,7 @@
#define LPM_ANYPATH 0xff #define LPM_ANYPATH 0xff
#define __MAX_CSSID 0 #define __MAX_CSSID 0
/** #include <asm/scsw.h>
* struct cmd_scsw - command-mode subchannel status word
* @key: subchannel key
* @sctl: suspend control
* @eswf: esw format
* @cc: deferred condition code
* @fmt: format
* @pfch: prefetch
* @isic: initial-status interruption control
* @alcc: address-limit checking control
* @ssi: suppress-suspended interruption
* @zcc: zero condition code
* @ectl: extended control
* @pno: path not operational
* @res: reserved
* @fctl: function control
* @actl: activity control
* @stctl: status control
* @cpa: channel program address
* @dstat: device status
* @cstat: subchannel status
* @count: residual count
*/
struct cmd_scsw {
__u32 key : 4;
__u32 sctl : 1;
__u32 eswf : 1;
__u32 cc : 2;
__u32 fmt : 1;
__u32 pfch : 1;
__u32 isic : 1;
__u32 alcc : 1;
__u32 ssi : 1;
__u32 zcc : 1;
__u32 ectl : 1;
__u32 pno : 1;
__u32 res : 1;
__u32 fctl : 3;
__u32 actl : 7;
__u32 stctl : 5;
__u32 cpa;
__u32 dstat : 8;
__u32 cstat : 8;
__u32 count : 16;
} __attribute__ ((packed));
/**
* struct tm_scsw - transport-mode subchannel status word
* @key: subchannel key
* @eswf: esw format
* @cc: deferred condition code
* @fmt: format
* @x: IRB-format control
* @q: interrogate-complete
* @ectl: extended control
* @pno: path not operational
* @fctl: function control
* @actl: activity control
* @stctl: status control
* @tcw: TCW address
* @dstat: device status
* @cstat: subchannel status
* @fcxs: FCX status
* @schxs: subchannel-extended status
*/
struct tm_scsw {
u32 key:4;
u32 :1;
u32 eswf:1;
u32 cc:2;
u32 fmt:3;
u32 x:1;
u32 q:1;
u32 :1;
u32 ectl:1;
u32 pno:1;
u32 :1;
u32 fctl:3;
u32 actl:7;
u32 stctl:5;
u32 tcw;
u32 dstat:8;
u32 cstat:8;
u32 fcxs:8;
u32 schxs:8;
} __attribute__ ((packed));
/**
* union scsw - subchannel status word
* @cmd: command-mode SCSW
* @tm: transport-mode SCSW
*/
union scsw {
struct cmd_scsw cmd;
struct tm_scsw tm;
} __attribute__ ((packed));
int scsw_is_tm(union scsw *scsw);
u32 scsw_key(union scsw *scsw);
u32 scsw_eswf(union scsw *scsw);
u32 scsw_cc(union scsw *scsw);
u32 scsw_ectl(union scsw *scsw);
u32 scsw_pno(union scsw *scsw);
u32 scsw_fctl(union scsw *scsw);
u32 scsw_actl(union scsw *scsw);
u32 scsw_stctl(union scsw *scsw);
u32 scsw_dstat(union scsw *scsw);
u32 scsw_cstat(union scsw *scsw);
int scsw_is_solicited(union scsw *scsw);
int scsw_is_valid_key(union scsw *scsw);
int scsw_is_valid_eswf(union scsw *scsw);
int scsw_is_valid_cc(union scsw *scsw);
int scsw_is_valid_ectl(union scsw *scsw);
int scsw_is_valid_pno(union scsw *scsw);
int scsw_is_valid_fctl(union scsw *scsw);
int scsw_is_valid_actl(union scsw *scsw);
int scsw_is_valid_stctl(union scsw *scsw);
int scsw_is_valid_dstat(union scsw *scsw);
int scsw_is_valid_cstat(union scsw *scsw);
int scsw_cmd_is_valid_key(union scsw *scsw);
int scsw_cmd_is_valid_sctl(union scsw *scsw);
int scsw_cmd_is_valid_eswf(union scsw *scsw);
int scsw_cmd_is_valid_cc(union scsw *scsw);
int scsw_cmd_is_valid_fmt(union scsw *scsw);
int scsw_cmd_is_valid_pfch(union scsw *scsw);
int scsw_cmd_is_valid_isic(union scsw *scsw);
int scsw_cmd_is_valid_alcc(union scsw *scsw);
int scsw_cmd_is_valid_ssi(union scsw *scsw);
int scsw_cmd_is_valid_zcc(union scsw *scsw);
int scsw_cmd_is_valid_ectl(union scsw *scsw);
int scsw_cmd_is_valid_pno(union scsw *scsw);
int scsw_cmd_is_valid_fctl(union scsw *scsw);
int scsw_cmd_is_valid_actl(union scsw *scsw);
int scsw_cmd_is_valid_stctl(union scsw *scsw);
int scsw_cmd_is_valid_dstat(union scsw *scsw);
int scsw_cmd_is_valid_cstat(union scsw *scsw);
int scsw_cmd_is_solicited(union scsw *scsw);
int scsw_tm_is_valid_key(union scsw *scsw);
int scsw_tm_is_valid_eswf(union scsw *scsw);
int scsw_tm_is_valid_cc(union scsw *scsw);
int scsw_tm_is_valid_fmt(union scsw *scsw);
int scsw_tm_is_valid_x(union scsw *scsw);
int scsw_tm_is_valid_q(union scsw *scsw);
int scsw_tm_is_valid_ectl(union scsw *scsw);
int scsw_tm_is_valid_pno(union scsw *scsw);
int scsw_tm_is_valid_fctl(union scsw *scsw);
int scsw_tm_is_valid_actl(union scsw *scsw);
int scsw_tm_is_valid_stctl(union scsw *scsw);
int scsw_tm_is_valid_dstat(union scsw *scsw);
int scsw_tm_is_valid_cstat(union scsw *scsw);
int scsw_tm_is_valid_fcxs(union scsw *scsw);
int scsw_tm_is_valid_schxs(union scsw *scsw);
int scsw_tm_is_solicited(union scsw *scsw);
#define SCSW_FCTL_CLEAR_FUNC 0x1
#define SCSW_FCTL_HALT_FUNC 0x2
#define SCSW_FCTL_START_FUNC 0x4
#define SCSW_ACTL_SUSPENDED 0x1
#define SCSW_ACTL_DEVACT 0x2
#define SCSW_ACTL_SCHACT 0x4
#define SCSW_ACTL_CLEAR_PEND 0x8
#define SCSW_ACTL_HALT_PEND 0x10
#define SCSW_ACTL_START_PEND 0x20
#define SCSW_ACTL_RESUME_PEND 0x40
#define SCSW_STCTL_STATUS_PEND 0x1
#define SCSW_STCTL_SEC_STATUS 0x2
#define SCSW_STCTL_PRIM_STATUS 0x4
#define SCSW_STCTL_INTER_STATUS 0x8
#define SCSW_STCTL_ALERT_STATUS 0x10
#define DEV_STAT_ATTENTION 0x80
#define DEV_STAT_STAT_MOD 0x40
#define DEV_STAT_CU_END 0x20
#define DEV_STAT_BUSY 0x10
#define DEV_STAT_CHN_END 0x08
#define DEV_STAT_DEV_END 0x04
#define DEV_STAT_UNIT_CHECK 0x02
#define DEV_STAT_UNIT_EXCEP 0x01
#define SCHN_STAT_PCI 0x80
#define SCHN_STAT_INCORR_LEN 0x40
#define SCHN_STAT_PROG_CHECK 0x20
#define SCHN_STAT_PROT_CHECK 0x10
#define SCHN_STAT_CHN_DATA_CHK 0x08
#define SCHN_STAT_CHN_CTRL_CHK 0x04
#define SCHN_STAT_INTF_CTRL_CHK 0x02
#define SCHN_STAT_CHAIN_CHECK 0x01
/*
* architectured values for first sense byte
*/
#define SNS0_CMD_REJECT 0x80
#define SNS_CMD_REJECT SNS0_CMD_REJEC
#define SNS0_INTERVENTION_REQ 0x40
#define SNS0_BUS_OUT_CHECK 0x20
#define SNS0_EQUIPMENT_CHECK 0x10
#define SNS0_DATA_CHECK 0x08
#define SNS0_OVERRUN 0x04
#define SNS0_INCOMPL_DOMAIN 0x01
/*
* architectured values for second sense byte
*/
#define SNS1_PERM_ERR 0x80
#define SNS1_INV_TRACK_FORMAT 0x40
#define SNS1_EOC 0x20
#define SNS1_MESSAGE_TO_OPER 0x10
#define SNS1_NO_REC_FOUND 0x08
#define SNS1_FILE_PROTECTED 0x04
#define SNS1_WRITE_INHIBITED 0x02
#define SNS1_INPRECISE_END 0x01
/*
* architectured values for third sense byte
*/
#define SNS2_REQ_INH_WRITE 0x80
#define SNS2_CORRECTABLE 0x40
#define SNS2_FIRST_LOG_ERR 0x20
#define SNS2_ENV_DATA_PRESENT 0x10
#define SNS2_INPRECISE_END 0x04
/** /**
* struct ccw1 - channel command word * struct ccw1 - channel command word

345
drivers/s390/cio/scsw.c → arch/s390/include/asm/scsw.h
View File

@ -1,15 +1,182 @@
/* /*
* Helper functions for scsw access. * Helper functions for scsw access.
* *
* Copyright IBM Corp. 2008 * Copyright IBM Corp. 2008,2009
* Author(s): Peter Oberparleiter <peter.oberparleiter@de.ibm.com> * Author(s): Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
*/ */
#ifndef _ASM_S390_SCSW_H_
#define _ASM_S390_SCSW_H_
#include <linux/types.h> #include <linux/types.h>
#include <linux/module.h> #include <asm/chsc.h>
#include <asm/cio.h> #include <asm/cio.h>
#include "css.h"
#include "chsc.h" /**
* struct cmd_scsw - command-mode subchannel status word
* @key: subchannel key
* @sctl: suspend control
* @eswf: esw format
* @cc: deferred condition code
* @fmt: format
* @pfch: prefetch
* @isic: initial-status interruption control
* @alcc: address-limit checking control
* @ssi: suppress-suspended interruption
* @zcc: zero condition code
* @ectl: extended control
* @pno: path not operational
* @res: reserved
* @fctl: function control
* @actl: activity control
* @stctl: status control
* @cpa: channel program address
* @dstat: device status
* @cstat: subchannel status
* @count: residual count
*/
struct cmd_scsw {
__u32 key : 4;
__u32 sctl : 1;
__u32 eswf : 1;
__u32 cc : 2;
__u32 fmt : 1;
__u32 pfch : 1;
__u32 isic : 1;
__u32 alcc : 1;
__u32 ssi : 1;
__u32 zcc : 1;
__u32 ectl : 1;
__u32 pno : 1;
__u32 res : 1;
__u32 fctl : 3;
__u32 actl : 7;
__u32 stctl : 5;
__u32 cpa;
__u32 dstat : 8;
__u32 cstat : 8;
__u32 count : 16;
} __attribute__ ((packed));
/**
* struct tm_scsw - transport-mode subchannel status word
* @key: subchannel key
* @eswf: esw format
* @cc: deferred condition code
* @fmt: format
* @x: IRB-format control
* @q: interrogate-complete
* @ectl: extended control
* @pno: path not operational
* @fctl: function control
* @actl: activity control
* @stctl: status control
* @tcw: TCW address
* @dstat: device status
* @cstat: subchannel status
* @fcxs: FCX status
* @schxs: subchannel-extended status
*/
struct tm_scsw {
u32 key:4;
u32 :1;
u32 eswf:1;
u32 cc:2;
u32 fmt:3;
u32 x:1;
u32 q:1;
u32 :1;
u32 ectl:1;
u32 pno:1;
u32 :1;
u32 fctl:3;
u32 actl:7;
u32 stctl:5;
u32 tcw;
u32 dstat:8;
u32 cstat:8;
u32 fcxs:8;
u32 schxs:8;
} __attribute__ ((packed));
/**
* union scsw - subchannel status word
* @cmd: command-mode SCSW
* @tm: transport-mode SCSW
*/
union scsw {
struct cmd_scsw cmd;
struct tm_scsw tm;
} __attribute__ ((packed));
#define SCSW_FCTL_CLEAR_FUNC 0x1
#define SCSW_FCTL_HALT_FUNC 0x2
#define SCSW_FCTL_START_FUNC 0x4
#define SCSW_ACTL_SUSPENDED 0x1
#define SCSW_ACTL_DEVACT 0x2
#define SCSW_ACTL_SCHACT 0x4
#define SCSW_ACTL_CLEAR_PEND 0x8
#define SCSW_ACTL_HALT_PEND 0x10
#define SCSW_ACTL_START_PEND 0x20
#define SCSW_ACTL_RESUME_PEND 0x40
#define SCSW_STCTL_STATUS_PEND 0x1
#define SCSW_STCTL_SEC_STATUS 0x2
#define SCSW_STCTL_PRIM_STATUS 0x4
#define SCSW_STCTL_INTER_STATUS 0x8
#define SCSW_STCTL_ALERT_STATUS 0x10
#define DEV_STAT_ATTENTION 0x80
#define DEV_STAT_STAT_MOD 0x40
#define DEV_STAT_CU_END 0x20
#define DEV_STAT_BUSY 0x10
#define DEV_STAT_CHN_END 0x08
#define DEV_STAT_DEV_END 0x04
#define DEV_STAT_UNIT_CHECK 0x02
#define DEV_STAT_UNIT_EXCEP 0x01
#define SCHN_STAT_PCI 0x80
#define SCHN_STAT_INCORR_LEN 0x40
#define SCHN_STAT_PROG_CHECK 0x20
#define SCHN_STAT_PROT_CHECK 0x10
#define SCHN_STAT_CHN_DATA_CHK 0x08
#define SCHN_STAT_CHN_CTRL_CHK 0x04
#define SCHN_STAT_INTF_CTRL_CHK 0x02
#define SCHN_STAT_CHAIN_CHECK 0x01
/*
* architectured values for first sense byte
*/
#define SNS0_CMD_REJECT 0x80
#define SNS_CMD_REJECT SNS0_CMD_REJEC
#define SNS0_INTERVENTION_REQ 0x40
#define SNS0_BUS_OUT_CHECK 0x20
#define SNS0_EQUIPMENT_CHECK 0x10
#define SNS0_DATA_CHECK 0x08
#define SNS0_OVERRUN 0x04
#define SNS0_INCOMPL_DOMAIN 0x01
/*
* architectured values for second sense byte
*/
#define SNS1_PERM_ERR 0x80
#define SNS1_INV_TRACK_FORMAT 0x40
#define SNS1_EOC 0x20
#define SNS1_MESSAGE_TO_OPER 0x10
#define SNS1_NO_REC_FOUND 0x08
#define SNS1_FILE_PROTECTED 0x04
#define SNS1_WRITE_INHIBITED 0x02
#define SNS1_INPRECISE_END 0x01
/*
* architectured values for third sense byte
*/
#define SNS2_REQ_INH_WRITE 0x80
#define SNS2_CORRECTABLE 0x40
#define SNS2_FIRST_LOG_ERR 0x20
#define SNS2_ENV_DATA_PRESENT 0x10
#define SNS2_INPRECISE_END 0x04
/** /**
* scsw_is_tm - check for transport mode scsw * scsw_is_tm - check for transport mode scsw
@ -18,11 +185,10 @@
* Return non-zero if the specified scsw is a transport mode scsw, zero * Return non-zero if the specified scsw is a transport mode scsw, zero
* otherwise. * otherwise.
*/ */
int scsw_is_tm(union scsw *scsw) static inline int scsw_is_tm(union scsw *scsw)
{ {
return css_general_characteristics.fcx && (scsw->tm.x == 1); return css_general_characteristics.fcx && (scsw->tm.x == 1);
} }
EXPORT_SYMBOL(scsw_is_tm);
/** /**
* scsw_key - return scsw key field * scsw_key - return scsw key field
@ -31,14 +197,13 @@ EXPORT_SYMBOL(scsw_is_tm);
* Return the value of the key field of the specified scsw, regardless of * Return the value of the key field of the specified scsw, regardless of
* whether it is a transport mode or command mode scsw. * whether it is a transport mode or command mode scsw.
*/ */
u32 scsw_key(union scsw *scsw) static inline u32 scsw_key(union scsw *scsw)
{ {
if (scsw_is_tm(scsw)) if (scsw_is_tm(scsw))
return scsw->tm.key; return scsw->tm.key;
else else
return scsw->cmd.key; return scsw->cmd.key;
} }
EXPORT_SYMBOL(scsw_key);
/** /**
* scsw_eswf - return scsw eswf field * scsw_eswf - return scsw eswf field
@ -47,14 +212,13 @@ EXPORT_SYMBOL(scsw_key);
* Return the value of the eswf field of the specified scsw, regardless of * Return the value of the eswf field of the specified scsw, regardless of
* whether it is a transport mode or command mode scsw. * whether it is a transport mode or command mode scsw.
*/ */
u32 scsw_eswf(union scsw *scsw) static inline u32 scsw_eswf(union scsw *scsw)
{ {
if (scsw_is_tm(scsw)) if (scsw_is_tm(scsw))
return scsw->tm.eswf; return scsw->tm.eswf;
else else
return scsw->cmd.eswf; return scsw->cmd.eswf;
} }
EXPORT_SYMBOL(scsw_eswf);
/** /**
* scsw_cc - return scsw cc field * scsw_cc - return scsw cc field
@ -63,14 +227,13 @@ EXPORT_SYMBOL(scsw_eswf);
* Return the value of the cc field of the specified scsw, regardless of * Return the value of the cc field of the specified scsw, regardless of
* whether it is a transport mode or command mode scsw. * whether it is a transport mode or command mode scsw.
*/ */
u32 scsw_cc(union scsw *scsw) static inline u32 scsw_cc(union scsw *scsw)
{ {
if (scsw_is_tm(scsw)) if (scsw_is_tm(scsw))
return scsw->tm.cc; return scsw->tm.cc;
else else
return scsw->cmd.cc; return scsw->cmd.cc;
} }
EXPORT_SYMBOL(scsw_cc);
/** /**
* scsw_ectl - return scsw ectl field * scsw_ectl - return scsw ectl field
@ -79,14 +242,13 @@ EXPORT_SYMBOL(scsw_cc);
* Return the value of the ectl field of the specified scsw, regardless of * Return the value of the ectl field of the specified scsw, regardless of
* whether it is a transport mode or command mode scsw. * whether it is a transport mode or command mode scsw.
*/ */
u32 scsw_ectl(union scsw *scsw) static inline u32 scsw_ectl(union scsw *scsw)
{ {
if (scsw_is_tm(scsw)) if (scsw_is_tm(scsw))
return scsw->tm.ectl; return scsw->tm.ectl;
else else
return scsw->cmd.ectl; return scsw->cmd.ectl;
} }
EXPORT_SYMBOL(scsw_ectl);
/** /**
* scsw_pno - return scsw pno field * scsw_pno - return scsw pno field
@ -95,14 +257,13 @@ EXPORT_SYMBOL(scsw_ectl);
* Return the value of the pno field of the specified scsw, regardless of * Return the value of the pno field of the specified scsw, regardless of
* whether it is a transport mode or command mode scsw. * whether it is a transport mode or command mode scsw.
*/ */
u32 scsw_pno(union scsw *scsw) static inline u32 scsw_pno(union scsw *scsw)
{ {
if (scsw_is_tm(scsw)) if (scsw_is_tm(scsw))
return scsw->tm.pno; return scsw->tm.pno;
else else
return scsw->cmd.pno; return scsw->cmd.pno;
} }
EXPORT_SYMBOL(scsw_pno);
/** /**
* scsw_fctl - return scsw fctl field * scsw_fctl - return scsw fctl field
@ -111,14 +272,13 @@ EXPORT_SYMBOL(scsw_pno);
* Return the value of the fctl field of the specified scsw, regardless of * Return the value of the fctl field of the specified scsw, regardless of
* whether it is a transport mode or command mode scsw. * whether it is a transport mode or command mode scsw.
*/ */
u32 scsw_fctl(union scsw *scsw) static inline u32 scsw_fctl(union scsw *scsw)
{ {
if (scsw_is_tm(scsw)) if (scsw_is_tm(scsw))
return scsw->tm.fctl; return scsw->tm.fctl;
else else
return scsw->cmd.fctl; return scsw->cmd.fctl;
} }
EXPORT_SYMBOL(scsw_fctl);
/** /**
* scsw_actl - return scsw actl field * scsw_actl - return scsw actl field
@ -127,14 +287,13 @@ EXPORT_SYMBOL(scsw_fctl);
* Return the value of the actl field of the specified scsw, regardless of * Return the value of the actl field of the specified scsw, regardless of
* whether it is a transport mode or command mode scsw. * whether it is a transport mode or command mode scsw.
*/ */
u32 scsw_actl(union scsw *scsw) static inline u32 scsw_actl(union scsw *scsw)
{ {
if (scsw_is_tm(scsw)) if (scsw_is_tm(scsw))
return scsw->tm.actl; return scsw->tm.actl;
else else
return scsw->cmd.actl; return scsw->cmd.actl;
} }
EXPORT_SYMBOL(scsw_actl);
/** /**
* scsw_stctl - return scsw stctl field * scsw_stctl - return scsw stctl field
@ -143,14 +302,13 @@ EXPORT_SYMBOL(scsw_actl);
* Return the value of the stctl field of the specified scsw, regardless of * Return the value of the stctl field of the specified scsw, regardless of
* whether it is a transport mode or command mode scsw. * whether it is a transport mode or command mode scsw.
*/ */
u32 scsw_stctl(union scsw *scsw) static inline u32 scsw_stctl(union scsw *scsw)
{ {
if (scsw_is_tm(scsw)) if (scsw_is_tm(scsw))
return scsw->tm.stctl; return scsw->tm.stctl;
else else
return scsw->cmd.stctl; return scsw->cmd.stctl;
} }
EXPORT_SYMBOL(scsw_stctl);
/** /**
* scsw_dstat - return scsw dstat field * scsw_dstat - return scsw dstat field
@ -159,14 +317,13 @@ EXPORT_SYMBOL(scsw_stctl);
* Return the value of the dstat field of the specified scsw, regardless of * Return the value of the dstat field of the specified scsw, regardless of
* whether it is a transport mode or command mode scsw. * whether it is a transport mode or command mode scsw.
*/ */
u32 scsw_dstat(union scsw *scsw) static inline u32 scsw_dstat(union scsw *scsw)
{ {
if (scsw_is_tm(scsw)) if (scsw_is_tm(scsw))
return scsw->tm.dstat; return scsw->tm.dstat;
else else
return scsw->cmd.dstat; return scsw->cmd.dstat;
} }
EXPORT_SYMBOL(scsw_dstat);
/** /**
* scsw_cstat - return scsw cstat field * scsw_cstat - return scsw cstat field
@ -175,14 +332,13 @@ EXPORT_SYMBOL(scsw_dstat);
* Return the value of the cstat field of the specified scsw, regardless of * Return the value of the cstat field of the specified scsw, regardless of
* whether it is a transport mode or command mode scsw. * whether it is a transport mode or command mode scsw.
*/ */
u32 scsw_cstat(union scsw *scsw) static inline u32 scsw_cstat(union scsw *scsw)
{ {
if (scsw_is_tm(scsw)) if (scsw_is_tm(scsw))
return scsw->tm.cstat; return scsw->tm.cstat;
else else
return scsw->cmd.cstat; return scsw->cmd.cstat;
} }
EXPORT_SYMBOL(scsw_cstat);
/** /**
* scsw_cmd_is_valid_key - check key field validity * scsw_cmd_is_valid_key - check key field validity
@ -191,11 +347,10 @@ EXPORT_SYMBOL(scsw_cstat);
* Return non-zero if the key field of the specified command mode scsw is * Return non-zero if the key field of the specified command mode scsw is
* valid, zero otherwise. * valid, zero otherwise.
*/ */
int scsw_cmd_is_valid_key(union scsw *scsw) static inline int scsw_cmd_is_valid_key(union scsw *scsw)
{ {
return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC); return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC);
} }
EXPORT_SYMBOL(scsw_cmd_is_valid_key);
/** /**
* scsw_cmd_is_valid_sctl - check fctl field validity * scsw_cmd_is_valid_sctl - check fctl field validity
@ -204,11 +359,10 @@ EXPORT_SYMBOL(scsw_cmd_is_valid_key);
* Return non-zero if the fctl field of the specified command mode scsw is * Return non-zero if the fctl field of the specified command mode scsw is
* valid, zero otherwise. * valid, zero otherwise.
*/ */
int scsw_cmd_is_valid_sctl(union scsw *scsw) static inline int scsw_cmd_is_valid_sctl(union scsw *scsw)
{ {
return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC); return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC);
} }
EXPORT_SYMBOL(scsw_cmd_is_valid_sctl);
/** /**
* scsw_cmd_is_valid_eswf - check eswf field validity * scsw_cmd_is_valid_eswf - check eswf field validity
@ -217,11 +371,10 @@ EXPORT_SYMBOL(scsw_cmd_is_valid_sctl);
* Return non-zero if the eswf field of the specified command mode scsw is * Return non-zero if the eswf field of the specified command mode scsw is
* valid, zero otherwise. * valid, zero otherwise.
*/ */
int scsw_cmd_is_valid_eswf(union scsw *scsw) static inline int scsw_cmd_is_valid_eswf(union scsw *scsw)
{ {
return (scsw->cmd.stctl & SCSW_STCTL_STATUS_PEND); return (scsw->cmd.stctl & SCSW_STCTL_STATUS_PEND);
} }
EXPORT_SYMBOL(scsw_cmd_is_valid_eswf);
/** /**
* scsw_cmd_is_valid_cc - check cc field validity * scsw_cmd_is_valid_cc - check cc field validity
@ -230,12 +383,11 @@ EXPORT_SYMBOL(scsw_cmd_is_valid_eswf);
* Return non-zero if the cc field of the specified command mode scsw is * Return non-zero if the cc field of the specified command mode scsw is
* valid, zero otherwise. * valid, zero otherwise.
*/ */
int scsw_cmd_is_valid_cc(union scsw *scsw) static inline int scsw_cmd_is_valid_cc(union scsw *scsw)
{ {
return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC) && return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC) &&
(scsw->cmd.stctl & SCSW_STCTL_STATUS_PEND); (scsw->cmd.stctl & SCSW_STCTL_STATUS_PEND);
} }
EXPORT_SYMBOL(scsw_cmd_is_valid_cc);
/** /**
* scsw_cmd_is_valid_fmt - check fmt field validity * scsw_cmd_is_valid_fmt - check fmt field validity
@ -244,11 +396,10 @@ EXPORT_SYMBOL(scsw_cmd_is_valid_cc);
* Return non-zero if the fmt field of the specified command mode scsw is * Return non-zero if the fmt field of the specified command mode scsw is
* valid, zero otherwise. * valid, zero otherwise.
*/ */
int scsw_cmd_is_valid_fmt(union scsw *scsw) static inline int scsw_cmd_is_valid_fmt(union scsw *scsw)
{ {
return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC); return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC);
} }
EXPORT_SYMBOL(scsw_cmd_is_valid_fmt);
/** /**
* scsw_cmd_is_valid_pfch - check pfch field validity * scsw_cmd_is_valid_pfch - check pfch field validity
@ -257,11 +408,10 @@ EXPORT_SYMBOL(scsw_cmd_is_valid_fmt);
* Return non-zero if the pfch field of the specified command mode scsw is * Return non-zero if the pfch field of the specified command mode scsw is
* valid, zero otherwise. * valid, zero otherwise.
*/ */
int scsw_cmd_is_valid_pfch(union scsw *scsw) static inline int scsw_cmd_is_valid_pfch(union scsw *scsw)
{ {
return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC); return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC);
} }
EXPORT_SYMBOL(scsw_cmd_is_valid_pfch);
/** /**
* scsw_cmd_is_valid_isic - check isic field validity * scsw_cmd_is_valid_isic - check isic field validity
@ -270,11 +420,10 @@ EXPORT_SYMBOL(scsw_cmd_is_valid_pfch);
* Return non-zero if the isic field of the specified command mode scsw is * Return non-zero if the isic field of the specified command mode scsw is
* valid, zero otherwise. * valid, zero otherwise.
*/ */
int scsw_cmd_is_valid_isic(union scsw *scsw) static inline int scsw_cmd_is_valid_isic(union scsw *scsw)
{ {
return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC); return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC);
} }
EXPORT_SYMBOL(scsw_cmd_is_valid_isic);
/** /**
* scsw_cmd_is_valid_alcc - check alcc field validity * scsw_cmd_is_valid_alcc - check alcc field validity
@ -283,11 +432,10 @@ EXPORT_SYMBOL(scsw_cmd_is_valid_isic);
* Return non-zero if the alcc field of the specified command mode scsw is * Return non-zero if the alcc field of the specified command mode scsw is
* valid, zero otherwise. * valid, zero otherwise.
*/ */
int scsw_cmd_is_valid_alcc(union scsw *scsw) static inline int scsw_cmd_is_valid_alcc(union scsw *scsw)
{ {
return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC); return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC);
} }
EXPORT_SYMBOL(scsw_cmd_is_valid_alcc);
/** /**
* scsw_cmd_is_valid_ssi - check ssi field validity * scsw_cmd_is_valid_ssi - check ssi field validity
@ -296,11 +444,10 @@ EXPORT_SYMBOL(scsw_cmd_is_valid_alcc);
* Return non-zero if the ssi field of the specified command mode scsw is * Return non-zero if the ssi field of the specified command mode scsw is
* valid, zero otherwise. * valid, zero otherwise.
*/ */
int scsw_cmd_is_valid_ssi(union scsw *scsw) static inline int scsw_cmd_is_valid_ssi(union scsw *scsw)
{ {
return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC); return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC);
} }
EXPORT_SYMBOL(scsw_cmd_is_valid_ssi);
/** /**
* scsw_cmd_is_valid_zcc - check zcc field validity * scsw_cmd_is_valid_zcc - check zcc field validity
@ -309,12 +456,11 @@ EXPORT_SYMBOL(scsw_cmd_is_valid_ssi);
* Return non-zero if the zcc field of the specified command mode scsw is * Return non-zero if the zcc field of the specified command mode scsw is
* valid, zero otherwise. * valid, zero otherwise.
*/ */
int scsw_cmd_is_valid_zcc(union scsw *scsw) static inline int scsw_cmd_is_valid_zcc(union scsw *scsw)
{ {
return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC) && return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC) &&
(scsw->cmd.stctl & SCSW_STCTL_INTER_STATUS); (scsw->cmd.stctl & SCSW_STCTL_INTER_STATUS);
} }
EXPORT_SYMBOL(scsw_cmd_is_valid_zcc);
/** /**
* scsw_cmd_is_valid_ectl - check ectl field validity * scsw_cmd_is_valid_ectl - check ectl field validity
@ -323,13 +469,12 @@ EXPORT_SYMBOL(scsw_cmd_is_valid_zcc);
* Return non-zero if the ectl field of the specified command mode scsw is * Return non-zero if the ectl field of the specified command mode scsw is
* valid, zero otherwise. * valid, zero otherwise.
*/ */
int scsw_cmd_is_valid_ectl(union scsw *scsw) static inline int scsw_cmd_is_valid_ectl(union scsw *scsw)
{ {
return (scsw->cmd.stctl & SCSW_STCTL_STATUS_PEND) && return (scsw->cmd.stctl & SCSW_STCTL_STATUS_PEND) &&
!(scsw->cmd.stctl & SCSW_STCTL_INTER_STATUS) && !(scsw->cmd.stctl & SCSW_STCTL_INTER_STATUS) &&
(scsw->cmd.stctl & SCSW_STCTL_ALERT_STATUS); (scsw->cmd.stctl & SCSW_STCTL_ALERT_STATUS);
} }
EXPORT_SYMBOL(scsw_cmd_is_valid_ectl);
/** /**
* scsw_cmd_is_valid_pno - check pno field validity * scsw_cmd_is_valid_pno - check pno field validity
@ -338,7 +483,7 @@ EXPORT_SYMBOL(scsw_cmd_is_valid_ectl);
* Return non-zero if the pno field of the specified command mode scsw is * Return non-zero if the pno field of the specified command mode scsw is
* valid, zero otherwise. * valid, zero otherwise.
*/ */
int scsw_cmd_is_valid_pno(union scsw *scsw) static inline int scsw_cmd_is_valid_pno(union scsw *scsw)
{ {
return (scsw->cmd.fctl != 0) && return (scsw->cmd.fctl != 0) &&
(scsw->cmd.stctl & SCSW_STCTL_STATUS_PEND) && (scsw->cmd.stctl & SCSW_STCTL_STATUS_PEND) &&
@ -346,7 +491,6 @@ int scsw_cmd_is_valid_pno(union scsw *scsw)
((scsw->cmd.stctl & SCSW_STCTL_INTER_STATUS) && ((scsw->cmd.stctl & SCSW_STCTL_INTER_STATUS) &&
(scsw->cmd.actl & SCSW_ACTL_SUSPENDED))); (scsw->cmd.actl & SCSW_ACTL_SUSPENDED)));
} }
EXPORT_SYMBOL(scsw_cmd_is_valid_pno);
/** /**
* scsw_cmd_is_valid_fctl - check fctl field validity * scsw_cmd_is_valid_fctl - check fctl field validity
@ -355,12 +499,11 @@ EXPORT_SYMBOL(scsw_cmd_is_valid_pno);
* Return non-zero if the fctl field of the specified command mode scsw is * Return non-zero if the fctl field of the specified command mode scsw is
* valid, zero otherwise. * valid, zero otherwise.
*/ */
int scsw_cmd_is_valid_fctl(union scsw *scsw) static inline int scsw_cmd_is_valid_fctl(union scsw *scsw)
{ {
/* Only valid if pmcw.dnv == 1*/ /* Only valid if pmcw.dnv == 1*/
return 1; return 1;
} }
EXPORT_SYMBOL(scsw_cmd_is_valid_fctl);
/** /**
* scsw_cmd_is_valid_actl - check actl field validity * scsw_cmd_is_valid_actl - check actl field validity
@ -369,12 +512,11 @@ EXPORT_SYMBOL(scsw_cmd_is_valid_fctl);
* Return non-zero if the actl field of the specified command mode scsw is * Return non-zero if the actl field of the specified command mode scsw is
* valid, zero otherwise. * valid, zero otherwise.
*/ */
int scsw_cmd_is_valid_actl(union scsw *scsw) static inline int scsw_cmd_is_valid_actl(union scsw *scsw)
{ {
/* Only valid if pmcw.dnv == 1*/ /* Only valid if pmcw.dnv == 1*/
return 1; return 1;
} }
EXPORT_SYMBOL(scsw_cmd_is_valid_actl);
/** /**
* scsw_cmd_is_valid_stctl - check stctl field validity * scsw_cmd_is_valid_stctl - check stctl field validity
@ -383,12 +525,11 @@ EXPORT_SYMBOL(scsw_cmd_is_valid_actl);
* Return non-zero if the stctl field of the specified command mode scsw is * Return non-zero if the stctl field of the specified command mode scsw is
* valid, zero otherwise. * valid, zero otherwise.
*/ */
int scsw_cmd_is_valid_stctl(union scsw *scsw) static inline int scsw_cmd_is_valid_stctl(union scsw *scsw)
{ {
/* Only valid if pmcw.dnv == 1*/ /* Only valid if pmcw.dnv == 1*/
return 1; return 1;
} }
EXPORT_SYMBOL(scsw_cmd_is_valid_stctl);
/** /**
* scsw_cmd_is_valid_dstat - check dstat field validity * scsw_cmd_is_valid_dstat - check dstat field validity
@ -397,12 +538,11 @@ EXPORT_SYMBOL(scsw_cmd_is_valid_stctl);
* Return non-zero if the dstat field of the specified command mode scsw is * Return non-zero if the dstat field of the specified command mode scsw is
* valid, zero otherwise. * valid, zero otherwise.
*/ */
int scsw_cmd_is_valid_dstat(union scsw *scsw) static inline int scsw_cmd_is_valid_dstat(union scsw *scsw)
{ {
return (scsw->cmd.stctl & SCSW_STCTL_STATUS_PEND) && return (scsw->cmd.stctl & SCSW_STCTL_STATUS_PEND) &&
(scsw->cmd.cc != 3); (scsw->cmd.cc != 3);
} }
EXPORT_SYMBOL(scsw_cmd_is_valid_dstat);
/** /**
* scsw_cmd_is_valid_cstat - check cstat field validity * scsw_cmd_is_valid_cstat - check cstat field validity
@ -411,12 +551,11 @@ EXPORT_SYMBOL(scsw_cmd_is_valid_dstat);
* Return non-zero if the cstat field of the specified command mode scsw is * Return non-zero if the cstat field of the specified command mode scsw is
* valid, zero otherwise. * valid, zero otherwise.
*/ */
int scsw_cmd_is_valid_cstat(union scsw *scsw) static inline int scsw_cmd_is_valid_cstat(union scsw *scsw)
{ {
return (scsw->cmd.stctl & SCSW_STCTL_STATUS_PEND) && return (scsw->cmd.stctl & SCSW_STCTL_STATUS_PEND) &&
(scsw->cmd.cc != 3); (scsw->cmd.cc != 3);
} }
EXPORT_SYMBOL(scsw_cmd_is_valid_cstat);
/** /**
* scsw_tm_is_valid_key - check key field validity * scsw_tm_is_valid_key - check key field validity
@ -425,11 +564,10 @@ EXPORT_SYMBOL(scsw_cmd_is_valid_cstat);
* Return non-zero if the key field of the specified transport mode scsw is * Return non-zero if the key field of the specified transport mode scsw is
* valid, zero otherwise. * valid, zero otherwise.
*/ */
int scsw_tm_is_valid_key(union scsw *scsw) static inline int scsw_tm_is_valid_key(union scsw *scsw)
{ {
return (scsw->tm.fctl & SCSW_FCTL_START_FUNC); return (scsw->tm.fctl & SCSW_FCTL_START_FUNC);
} }
EXPORT_SYMBOL(scsw_tm_is_valid_key);
/** /**
* scsw_tm_is_valid_eswf - check eswf field validity * scsw_tm_is_valid_eswf - check eswf field validity
@ -438,11 +576,10 @@ EXPORT_SYMBOL(scsw_tm_is_valid_key);
* Return non-zero if the eswf field of the specified transport mode scsw is * Return non-zero if the eswf field of the specified transport mode scsw is
* valid, zero otherwise. * valid, zero otherwise.
*/ */
int scsw_tm_is_valid_eswf(union scsw *scsw) static inline int scsw_tm_is_valid_eswf(union scsw *scsw)
{ {
return (scsw->tm.stctl & SCSW_STCTL_STATUS_PEND); return (scsw->tm.stctl & SCSW_STCTL_STATUS_PEND);
} }
EXPORT_SYMBOL(scsw_tm_is_valid_eswf);
/** /**
* scsw_tm_is_valid_cc - check cc field validity * scsw_tm_is_valid_cc - check cc field validity
@ -451,12 +588,11 @@ EXPORT_SYMBOL(scsw_tm_is_valid_eswf);
* Return non-zero if the cc field of the specified transport mode scsw is * Return non-zero if the cc field of the specified transport mode scsw is
* valid, zero otherwise. * valid, zero otherwise.
*/ */
int scsw_tm_is_valid_cc(union scsw *scsw) static inline int scsw_tm_is_valid_cc(union scsw *scsw)
{ {
return (scsw->tm.fctl & SCSW_FCTL_START_FUNC) && return (scsw->tm.fctl & SCSW_FCTL_START_FUNC) &&
(scsw->tm.stctl & SCSW_STCTL_STATUS_PEND); (scsw->tm.stctl & SCSW_STCTL_STATUS_PEND);
} }
EXPORT_SYMBOL(scsw_tm_is_valid_cc);
/** /**
* scsw_tm_is_valid_fmt - check fmt field validity * scsw_tm_is_valid_fmt - check fmt field validity
@ -465,11 +601,10 @@ EXPORT_SYMBOL(scsw_tm_is_valid_cc);
* Return non-zero if the fmt field of the specified transport mode scsw is * Return non-zero if the fmt field of the specified transport mode scsw is
* valid, zero otherwise. * valid, zero otherwise.
*/ */
int scsw_tm_is_valid_fmt(union scsw *scsw) static inline int scsw_tm_is_valid_fmt(union scsw *scsw)
{ {
return 1; return 1;
} }
EXPORT_SYMBOL(scsw_tm_is_valid_fmt);
/** /**
* scsw_tm_is_valid_x - check x field validity * scsw_tm_is_valid_x - check x field validity
@ -478,11 +613,10 @@ EXPORT_SYMBOL(scsw_tm_is_valid_fmt);
* Return non-zero if the x field of the specified transport mode scsw is * Return non-zero if the x field of the specified transport mode scsw is
* valid, zero otherwise. * valid, zero otherwise.
*/ */
int scsw_tm_is_valid_x(union scsw *scsw) static inline int scsw_tm_is_valid_x(union scsw *scsw)
{ {
return 1; return 1;
} }
EXPORT_SYMBOL(scsw_tm_is_valid_x);
/** /**
* scsw_tm_is_valid_q - check q field validity * scsw_tm_is_valid_q - check q field validity
@ -491,11 +625,10 @@ EXPORT_SYMBOL(scsw_tm_is_valid_x);
* Return non-zero if the q field of the specified transport mode scsw is * Return non-zero if the q field of the specified transport mode scsw is
* valid, zero otherwise. * valid, zero otherwise.
*/ */
int scsw_tm_is_valid_q(union scsw *scsw) static inline int scsw_tm_is_valid_q(union scsw *scsw)
{ {
return 1; return 1;
} }
EXPORT_SYMBOL(scsw_tm_is_valid_q);
/** /**
* scsw_tm_is_valid_ectl - check ectl field validity * scsw_tm_is_valid_ectl - check ectl field validity
@ -504,13 +637,12 @@ EXPORT_SYMBOL(scsw_tm_is_valid_q);
* Return non-zero if the ectl field of the specified transport mode scsw is * Return non-zero if the ectl field of the specified transport mode scsw is
* valid, zero otherwise. * valid, zero otherwise.
*/ */
int scsw_tm_is_valid_ectl(union scsw *scsw) static inline int scsw_tm_is_valid_ectl(union scsw *scsw)
{ {
return (scsw->tm.stctl & SCSW_STCTL_STATUS_PEND) && return (scsw->tm.stctl & SCSW_STCTL_STATUS_PEND) &&
!(scsw->tm.stctl & SCSW_STCTL_INTER_STATUS) && !(scsw->tm.stctl & SCSW_STCTL_INTER_STATUS) &&
(scsw->tm.stctl & SCSW_STCTL_ALERT_STATUS); (scsw->tm.stctl & SCSW_STCTL_ALERT_STATUS);
} }
EXPORT_SYMBOL(scsw_tm_is_valid_ectl);
/** /**
* scsw_tm_is_valid_pno - check pno field validity * scsw_tm_is_valid_pno - check pno field validity
@ -519,7 +651,7 @@ EXPORT_SYMBOL(scsw_tm_is_valid_ectl);
* Return non-zero if the pno field of the specified transport mode scsw is * Return non-zero if the pno field of the specified transport mode scsw is
* valid, zero otherwise. * valid, zero otherwise.
*/ */
int scsw_tm_is_valid_pno(union scsw *scsw) static inline int scsw_tm_is_valid_pno(union scsw *scsw)
{ {
return (scsw->tm.fctl != 0) && return (scsw->tm.fctl != 0) &&
(scsw->tm.stctl & SCSW_STCTL_STATUS_PEND) && (scsw->tm.stctl & SCSW_STCTL_STATUS_PEND) &&
@ -527,7 +659,6 @@ int scsw_tm_is_valid_pno(union scsw *scsw)
((scsw->tm.stctl & SCSW_STCTL_INTER_STATUS) && ((scsw->tm.stctl & SCSW_STCTL_INTER_STATUS) &&
(scsw->tm.actl & SCSW_ACTL_SUSPENDED))); (scsw->tm.actl & SCSW_ACTL_SUSPENDED)));
} }
EXPORT_SYMBOL(scsw_tm_is_valid_pno);
/** /**
* scsw_tm_is_valid_fctl - check fctl field validity * scsw_tm_is_valid_fctl - check fctl field validity
@ -536,12 +667,11 @@ EXPORT_SYMBOL(scsw_tm_is_valid_pno);
* Return non-zero if the fctl field of the specified transport mode scsw is * Return non-zero if the fctl field of the specified transport mode scsw is
* valid, zero otherwise. * valid, zero otherwise.
*/ */
int scsw_tm_is_valid_fctl(union scsw *scsw) static inline int scsw_tm_is_valid_fctl(union scsw *scsw)
{ {
/* Only valid if pmcw.dnv == 1*/ /* Only valid if pmcw.dnv == 1*/
return 1; return 1;
} }
EXPORT_SYMBOL(scsw_tm_is_valid_fctl);
/** /**
* scsw_tm_is_valid_actl - check actl field validity * scsw_tm_is_valid_actl - check actl field validity
@ -550,12 +680,11 @@ EXPORT_SYMBOL(scsw_tm_is_valid_fctl);
* Return non-zero if the actl field of the specified transport mode scsw is * Return non-zero if the actl field of the specified transport mode scsw is
* valid, zero otherwise. * valid, zero otherwise.
*/ */
int scsw_tm_is_valid_actl(union scsw *scsw) static inline int scsw_tm_is_valid_actl(union scsw *scsw)
{ {
/* Only valid if pmcw.dnv == 1*/ /* Only valid if pmcw.dnv == 1*/
return 1; return 1;
} }
EXPORT_SYMBOL(scsw_tm_is_valid_actl);
/** /**
* scsw_tm_is_valid_stctl - check stctl field validity * scsw_tm_is_valid_stctl - check stctl field validity
@ -564,12 +693,11 @@ EXPORT_SYMBOL(scsw_tm_is_valid_actl);
* Return non-zero if the stctl field of the specified transport mode scsw is * Return non-zero if the stctl field of the specified transport mode scsw is
* valid, zero otherwise. * valid, zero otherwise.
*/ */
int scsw_tm_is_valid_stctl(union scsw *scsw) static inline int scsw_tm_is_valid_stctl(union scsw *scsw)
{ {
/* Only valid if pmcw.dnv == 1*/ /* Only valid if pmcw.dnv == 1*/
return 1; return 1;
} }
EXPORT_SYMBOL(scsw_tm_is_valid_stctl);
/** /**
* scsw_tm_is_valid_dstat - check dstat field validity * scsw_tm_is_valid_dstat - check dstat field validity
@ -578,12 +706,11 @@ EXPORT_SYMBOL(scsw_tm_is_valid_stctl);
* Return non-zero if the dstat field of the specified transport mode scsw is * Return non-zero if the dstat field of the specified transport mode scsw is
* valid, zero otherwise. * valid, zero otherwise.
*/ */
int scsw_tm_is_valid_dstat(union scsw *scsw) static inline int scsw_tm_is_valid_dstat(union scsw *scsw)
{ {
return (scsw->tm.stctl & SCSW_STCTL_STATUS_PEND) && return (scsw->tm.stctl & SCSW_STCTL_STATUS_PEND) &&
(scsw->tm.cc != 3); (scsw->tm.cc != 3);
} }
EXPORT_SYMBOL(scsw_tm_is_valid_dstat);
/** /**
* scsw_tm_is_valid_cstat - check cstat field validity * scsw_tm_is_valid_cstat - check cstat field validity
@ -592,12 +719,11 @@ EXPORT_SYMBOL(scsw_tm_is_valid_dstat);
* Return non-zero if the cstat field of the specified transport mode scsw is * Return non-zero if the cstat field of the specified transport mode scsw is
* valid, zero otherwise. * valid, zero otherwise.
*/ */
int scsw_tm_is_valid_cstat(union scsw *scsw) static inline int scsw_tm_is_valid_cstat(union scsw *scsw)
{ {
return (scsw->tm.stctl & SCSW_STCTL_STATUS_PEND) && return (scsw->tm.stctl & SCSW_STCTL_STATUS_PEND) &&
(scsw->tm.cc != 3); (scsw->tm.cc != 3);
} }
EXPORT_SYMBOL(scsw_tm_is_valid_cstat);
/** /**
* scsw_tm_is_valid_fcxs - check fcxs field validity * scsw_tm_is_valid_fcxs - check fcxs field validity
@ -606,11 +732,10 @@ EXPORT_SYMBOL(scsw_tm_is_valid_cstat);
* Return non-zero if the fcxs field of the specified transport mode scsw is * Return non-zero if the fcxs field of the specified transport mode scsw is
* valid, zero otherwise. * valid, zero otherwise.
*/ */
int scsw_tm_is_valid_fcxs(union scsw *scsw) static inline int scsw_tm_is_valid_fcxs(union scsw *scsw)
{ {
return 1; return 1;
} }
EXPORT_SYMBOL(scsw_tm_is_valid_fcxs);
/** /**
* scsw_tm_is_valid_schxs - check schxs field validity * scsw_tm_is_valid_schxs - check schxs field validity
@ -619,14 +744,13 @@ EXPORT_SYMBOL(scsw_tm_is_valid_fcxs);
* Return non-zero if the schxs field of the specified transport mode scsw is * Return non-zero if the schxs field of the specified transport mode scsw is
* valid, zero otherwise. * valid, zero otherwise.
*/ */
int scsw_tm_is_valid_schxs(union scsw *scsw) static inline int scsw_tm_is_valid_schxs(union scsw *scsw)
{ {
return (scsw->tm.cstat & (SCHN_STAT_PROG_CHECK | return (scsw->tm.cstat & (SCHN_STAT_PROG_CHECK |
SCHN_STAT_INTF_CTRL_CHK | SCHN_STAT_INTF_CTRL_CHK |
SCHN_STAT_PROT_CHECK | SCHN_STAT_PROT_CHECK |
SCHN_STAT_CHN_DATA_CHK)); SCHN_STAT_CHN_DATA_CHK));
} }
EXPORT_SYMBOL(scsw_tm_is_valid_schxs);
/** /**
* scsw_is_valid_actl - check actl field validity * scsw_is_valid_actl - check actl field validity
@ -636,14 +760,13 @@ EXPORT_SYMBOL(scsw_tm_is_valid_schxs);
* regardless of whether it is a transport mode or command mode scsw. * regardless of whether it is a transport mode or command mode scsw.
* Return zero if the field does not contain a valid value. * Return zero if the field does not contain a valid value.
*/ */
int scsw_is_valid_actl(union scsw *scsw) static inline int scsw_is_valid_actl(union scsw *scsw)
{ {
if (scsw_is_tm(scsw)) if (scsw_is_tm(scsw))
return scsw_tm_is_valid_actl(scsw); return scsw_tm_is_valid_actl(scsw);
else else
return scsw_cmd_is_valid_actl(scsw); return scsw_cmd_is_valid_actl(scsw);
} }
EXPORT_SYMBOL(scsw_is_valid_actl);
/** /**
* scsw_is_valid_cc - check cc field validity * scsw_is_valid_cc - check cc field validity
@ -653,14 +776,13 @@ EXPORT_SYMBOL(scsw_is_valid_actl);
* regardless of whether it is a transport mode or command mode scsw. * regardless of whether it is a transport mode or command mode scsw.
* Return zero if the field does not contain a valid value. * Return zero if the field does not contain a valid value.
*/ */
int scsw_is_valid_cc(union scsw *scsw) static inline int scsw_is_valid_cc(union scsw *scsw)
{ {
if (scsw_is_tm(scsw)) if (scsw_is_tm(scsw))
return scsw_tm_is_valid_cc(scsw); return scsw_tm_is_valid_cc(scsw);
else else
return scsw_cmd_is_valid_cc(scsw); return scsw_cmd_is_valid_cc(scsw);
} }
EXPORT_SYMBOL(scsw_is_valid_cc);
/** /**
* scsw_is_valid_cstat - check cstat field validity * scsw_is_valid_cstat - check cstat field validity
@ -670,14 +792,13 @@ EXPORT_SYMBOL(scsw_is_valid_cc);
* regardless of whether it is a transport mode or command mode scsw. * regardless of whether it is a transport mode or command mode scsw.
* Return zero if the field does not contain a valid value. * Return zero if the field does not contain a valid value.
*/ */
int scsw_is_valid_cstat(union scsw *scsw) static inline int scsw_is_valid_cstat(union scsw *scsw)
{ {
if (scsw_is_tm(scsw)) if (scsw_is_tm(scsw))
return scsw_tm_is_valid_cstat(scsw); return scsw_tm_is_valid_cstat(scsw);
else else
return scsw_cmd_is_valid_cstat(scsw); return scsw_cmd_is_valid_cstat(scsw);
} }
EXPORT_SYMBOL(scsw_is_valid_cstat);
/** /**
* scsw_is_valid_dstat - check dstat field validity * scsw_is_valid_dstat - check dstat field validity
@ -687,14 +808,13 @@ EXPORT_SYMBOL(scsw_is_valid_cstat);
* regardless of whether it is a transport mode or command mode scsw. * regardless of whether it is a transport mode or command mode scsw.
* Return zero if the field does not contain a valid value. * Return zero if the field does not contain a valid value.
*/ */
int scsw_is_valid_dstat(union scsw *scsw) static inline int scsw_is_valid_dstat(union scsw *scsw)
{ {
if (scsw_is_tm(scsw)) if (scsw_is_tm(scsw))
return scsw_tm_is_valid_dstat(scsw); return scsw_tm_is_valid_dstat(scsw);
else else
return scsw_cmd_is_valid_dstat(scsw); return scsw_cmd_is_valid_dstat(scsw);
} }
EXPORT_SYMBOL(scsw_is_valid_dstat);
/** /**
* scsw_is_valid_ectl - check ectl field validity * scsw_is_valid_ectl - check ectl field validity
@ -704,14 +824,13 @@ EXPORT_SYMBOL(scsw_is_valid_dstat);
* regardless of whether it is a transport mode or command mode scsw. * regardless of whether it is a transport mode or command mode scsw.
* Return zero if the field does not contain a valid value. * Return zero if the field does not contain a valid value.
*/ */
int scsw_is_valid_ectl(union scsw *scsw) static inline int scsw_is_valid_ectl(union scsw *scsw)
{ {
if (scsw_is_tm(scsw)) if (scsw_is_tm(scsw))
return scsw_tm_is_valid_ectl(scsw); return scsw_tm_is_valid_ectl(scsw);
else else
return scsw_cmd_is_valid_ectl(scsw); return scsw_cmd_is_valid_ectl(scsw);
} }
EXPORT_SYMBOL(scsw_is_valid_ectl);
/** /**
* scsw_is_valid_eswf - check eswf field validity * scsw_is_valid_eswf - check eswf field validity
@ -721,14 +840,13 @@ EXPORT_SYMBOL(scsw_is_valid_ectl);
* regardless of whether it is a transport mode or command mode scsw. * regardless of whether it is a transport mode or command mode scsw.
* Return zero if the field does not contain a valid value. * Return zero if the field does not contain a valid value.
*/ */
int scsw_is_valid_eswf(union scsw *scsw) static inline int scsw_is_valid_eswf(union scsw *scsw)
{ {
if (scsw_is_tm(scsw)) if (scsw_is_tm(scsw))
return scsw_tm_is_valid_eswf(scsw); return scsw_tm_is_valid_eswf(scsw);
else else
return scsw_cmd_is_valid_eswf(scsw); return scsw_cmd_is_valid_eswf(scsw);
} }
EXPORT_SYMBOL(scsw_is_valid_eswf);
/** /**
* scsw_is_valid_fctl - check fctl field validity * scsw_is_valid_fctl - check fctl field validity
@ -738,14 +856,13 @@ EXPORT_SYMBOL(scsw_is_valid_eswf);
* regardless of whether it is a transport mode or command mode scsw. * regardless of whether it is a transport mode or command mode scsw.
* Return zero if the field does not contain a valid value. * Return zero if the field does not contain a valid value.
*/ */
int scsw_is_valid_fctl(union scsw *scsw) static inline int scsw_is_valid_fctl(union scsw *scsw)
{ {
if (scsw_is_tm(scsw)) if (scsw_is_tm(scsw))
return scsw_tm_is_valid_fctl(scsw); return scsw_tm_is_valid_fctl(scsw);
else else
return scsw_cmd_is_valid_fctl(scsw); return scsw_cmd_is_valid_fctl(scsw);
} }
EXPORT_SYMBOL(scsw_is_valid_fctl);
/** /**
* scsw_is_valid_key - check key field validity * scsw_is_valid_key - check key field validity
@ -755,14 +872,13 @@ EXPORT_SYMBOL(scsw_is_valid_fctl);
* regardless of whether it is a transport mode or command mode scsw. * regardless of whether it is a transport mode or command mode scsw.
* Return zero if the field does not contain a valid value. * Return zero if the field does not contain a valid value.
*/ */
int scsw_is_valid_key(union scsw *scsw) static inline int scsw_is_valid_key(union scsw *scsw)
{ {
if (scsw_is_tm(scsw)) if (scsw_is_tm(scsw))
return scsw_tm_is_valid_key(scsw); return scsw_tm_is_valid_key(scsw);
else else
return scsw_cmd_is_valid_key(scsw); return scsw_cmd_is_valid_key(scsw);
} }
EXPORT_SYMBOL(scsw_is_valid_key);
/** /**
* scsw_is_valid_pno - check pno field validity * scsw_is_valid_pno - check pno field validity
@ -772,14 +888,13 @@ EXPORT_SYMBOL(scsw_is_valid_key);
* regardless of whether it is a transport mode or command mode scsw. * regardless of whether it is a transport mode or command mode scsw.
* Return zero if the field does not contain a valid value. * Return zero if the field does not contain a valid value.
*/ */
int scsw_is_valid_pno(union scsw *scsw) static inline int scsw_is_valid_pno(union scsw *scsw)
{ {
if (scsw_is_tm(scsw)) if (scsw_is_tm(scsw))
return scsw_tm_is_valid_pno(scsw); return scsw_tm_is_valid_pno(scsw);
else else
return scsw_cmd_is_valid_pno(scsw); return scsw_cmd_is_valid_pno(scsw);
} }
EXPORT_SYMBOL(scsw_is_valid_pno);
/** /**
* scsw_is_valid_stctl - check stctl field validity * scsw_is_valid_stctl - check stctl field validity
@ -789,14 +904,13 @@ EXPORT_SYMBOL(scsw_is_valid_pno);
* regardless of whether it is a transport mode or command mode scsw. * regardless of whether it is a transport mode or command mode scsw.
* Return zero if the field does not contain a valid value. * Return zero if the field does not contain a valid value.
*/ */
int scsw_is_valid_stctl(union scsw *scsw) static inline int scsw_is_valid_stctl(union scsw *scsw)
{ {
if (scsw_is_tm(scsw)) if (scsw_is_tm(scsw))
return scsw_tm_is_valid_stctl(scsw); return scsw_tm_is_valid_stctl(scsw);
else else
return scsw_cmd_is_valid_stctl(scsw); return scsw_cmd_is_valid_stctl(scsw);
} }
EXPORT_SYMBOL(scsw_is_valid_stctl);
/** /**
* scsw_cmd_is_solicited - check for solicited scsw * scsw_cmd_is_solicited - check for solicited scsw
@ -805,12 +919,11 @@ EXPORT_SYMBOL(scsw_is_valid_stctl);
* Return non-zero if the command mode scsw indicates that the associated * Return non-zero if the command mode scsw indicates that the associated
* status condition is solicited, zero if it is unsolicited. * status condition is solicited, zero if it is unsolicited.
*/ */
int scsw_cmd_is_solicited(union scsw *scsw) static inline int scsw_cmd_is_solicited(union scsw *scsw)
{ {
return (scsw->cmd.cc != 0) || (scsw->cmd.stctl != return (scsw->cmd.cc != 0) || (scsw->cmd.stctl !=
(SCSW_STCTL_STATUS_PEND | SCSW_STCTL_ALERT_STATUS)); (SCSW_STCTL_STATUS_PEND | SCSW_STCTL_ALERT_STATUS));
} }
EXPORT_SYMBOL(scsw_cmd_is_solicited);
/** /**
* scsw_tm_is_solicited - check for solicited scsw * scsw_tm_is_solicited - check for solicited scsw
@ -819,12 +932,11 @@ EXPORT_SYMBOL(scsw_cmd_is_solicited);
* Return non-zero if the transport mode scsw indicates that the associated * Return non-zero if the transport mode scsw indicates that the associated
* status condition is solicited, zero if it is unsolicited. * status condition is solicited, zero if it is unsolicited.
*/ */
int scsw_tm_is_solicited(union scsw *scsw) static inline int scsw_tm_is_solicited(union scsw *scsw)
{ {
return (scsw->tm.cc != 0) || (scsw->tm.stctl != return (scsw->tm.cc != 0) || (scsw->tm.stctl !=
(SCSW_STCTL_STATUS_PEND | SCSW_STCTL_ALERT_STATUS)); (SCSW_STCTL_STATUS_PEND | SCSW_STCTL_ALERT_STATUS));
} }
EXPORT_SYMBOL(scsw_tm_is_solicited);
/** /**
* scsw_is_solicited - check for solicited scsw * scsw_is_solicited - check for solicited scsw
@ -833,11 +945,12 @@ EXPORT_SYMBOL(scsw_tm_is_solicited);
* Return non-zero if the transport or command mode scsw indicates that the * Return non-zero if the transport or command mode scsw indicates that the
* associated status condition is solicited, zero if it is unsolicited. * associated status condition is solicited, zero if it is unsolicited.
*/ */
int scsw_is_solicited(union scsw *scsw) static inline int scsw_is_solicited(union scsw *scsw)
{ {
if (scsw_is_tm(scsw)) if (scsw_is_tm(scsw))
return scsw_tm_is_solicited(scsw); return scsw_tm_is_solicited(scsw);
else else
return scsw_cmd_is_solicited(scsw); return scsw_cmd_is_solicited(scsw);
} }
EXPORT_SYMBOL(scsw_is_solicited);
#endif /* _ASM_S390_SCSW_H_ */

2
drivers/s390/cio/Makefile
View File

@ -2,7 +2,7 @@
# Makefile for the S/390 common i/o drivers # Makefile for the S/390 common i/o drivers
# #
obj-y += airq.o blacklist.o chsc.o cio.o css.o chp.o idset.o isc.o scsw.o \ obj-y += airq.o blacklist.o chsc.o cio.o css.o chp.o idset.o isc.o \
fcx.o itcw.o crw.o fcx.o itcw.o crw.o
ccw_device-objs += device.o device_fsm.o device_ops.o ccw_device-objs += device.o device_fsm.o device_ops.o
ccw_device-objs += device_id.o device_pgid.o device_status.o ccw_device-objs += device_id.o device_pgid.o device_status.o

24
drivers/s390/cio/chsc.h
View File

@ -37,29 +37,6 @@ struct channel_path_desc {
struct channel_path; struct channel_path;
struct css_general_char {
u64 : 12;
u32 dynio : 1; /* bit 12 */
u32 : 28;
u32 aif : 1; /* bit 41 */
u32 : 3;
u32 mcss : 1; /* bit 45 */
u32 fcs : 1; /* bit 46 */
u32 : 1;
u32 ext_mb : 1; /* bit 48 */
u32 : 7;
u32 aif_tdd : 1; /* bit 56 */
u32 : 1;
u32 qebsm : 1; /* bit 58 */
u32 : 8;
u32 aif_osa : 1; /* bit 67 */
u32 : 14;
u32 cib : 1; /* bit 82 */
u32 : 5;
u32 fcx : 1; /* bit 88 */
u32 : 7;
}__attribute__((packed));
struct css_chsc_char { struct css_chsc_char {
u64 res; u64 res;
u64 : 20; u64 : 20;
@ -72,7 +49,6 @@ struct css_chsc_char {
u32 : 19; u32 : 19;
}__attribute__((packed)); }__attribute__((packed));
extern struct css_general_char css_general_characteristics;
extern struct css_chsc_char css_chsc_characteristics; extern struct css_chsc_char css_chsc_characteristics;
struct chsc_ssd_info { struct chsc_ssd_info {