- 根目录:
- arch
- s390
- include
- asm
- scsw.h
/*
* Helper functions for scsw access.
*
* Copyright IBM Corp. 2008,2009
* Author(s): Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
*/
#ifndef _ASM_S390_SCSW_H_
#define _ASM_S390_SCSW_H_
#include <linux/types.h>
#include <asm/chsc.h>
#include <asm/cio.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: pointer to scsw
*
* Return non-zero if the specified scsw is a transport mode scsw, zero
* otherwise.
*/
static inline int scsw_is_tm(union scsw *scsw)
{
return css_general_characteristics.fcx && (scsw->tm.x == 1);
}
/**
* scsw_key - return scsw key field
* @scsw: pointer to scsw
*
* Return the value of the key field of the specified scsw, regardless of
* whether it is a transport mode or command mode scsw.
*/
static inline u32 scsw_key(union scsw *scsw)
{
if (scsw_is_tm(scsw))
return scsw->tm.key;
else
return scsw->cmd.key;
}
/**
* scsw_eswf - return scsw eswf field
* @scsw: pointer to scsw
*
* Return the value of the eswf field of the specified scsw, regardless of
* whether it is a transport mode or command mode scsw.
*/
static inline u32 scsw_eswf(union scsw *scsw)
{
if (scsw_is_tm(scsw))
return scsw->tm.eswf;
else
return scsw->cmd.eswf;
}
/**
* scsw_cc - return scsw cc field
* @scsw: pointer to scsw
*
* Return the value of the cc field of the specified scsw, regardless of
* whether it is a transport mode or command mode scsw.
*/
static inline u32 scsw_cc(union scsw *scsw)
{
if (scsw_is_tm(scsw))
return scsw->tm.cc;
else
return scsw->cmd.cc;
}
/**
* scsw_ectl - return scsw ectl field
* @scsw: pointer to scsw
*
* Return the value of the ectl field of the specified scsw, regardless of
* whether it is a transport mode or command mode scsw.
*/
static inline u32 scsw_ectl(union scsw *scsw)
{
if (scsw_is_tm(scsw))
return scsw->tm.ectl;
else
return scsw->cmd.ectl;
}
/**
* scsw_pno - return scsw pno field
* @scsw: pointer to scsw
*
* Return the value of the pno field of the specified scsw, regardless of
* whether it is a transport mode or command mode scsw.
*/
static inline u32 scsw_pno(union scsw *scsw)
{
if (scsw_is_tm(scsw))
return scsw->tm.pno;
else
return scsw->cmd.pno;
}
/**
* scsw_fctl - return scsw fctl field
* @scsw: pointer to scsw
*
* Return the value of the fctl field of the specified scsw, regardless of
* whether it is a transport mode or command mode scsw.
*/
static inline u32 scsw_fctl(union scsw *scsw)
{
if (scsw_is_tm(scsw))
return scsw->tm.fctl;
else
return scsw->cmd.fctl;
}
/**
* scsw_actl - return scsw actl field
* @scsw: pointer to scsw
*
* Return the value of the actl field of the specified scsw, regardless of
* whether it is a transport mode or command mode scsw.
*/
static inline u32 scsw_actl(union scsw *scsw)
{
if (scsw_is_tm(scsw))
return scsw->tm.actl;
else
return scsw->cmd.actl;
}
/**
* scsw_stctl - return scsw stctl field
* @scsw: pointer to scsw
*
* Return the value of the stctl field of the specified scsw, regardless of
* whether it is a transport mode or command mode scsw.
*/
static inline u32 scsw_stctl(union scsw *scsw)
{
if (scsw_is_tm(scsw))
return scsw->tm.stctl;
else
return scsw->cmd.stctl;
}
/**
* scsw_dstat - return scsw dstat field
* @scsw: pointer to scsw
*
* Return the value of the dstat field of the specified scsw, regardless of
* whether it is a transport mode or command mode scsw.
*/
static inline u32 scsw_dstat(union scsw *scsw)
{
if (scsw_is_tm(scsw))
return scsw->tm.dstat;
else
return scsw->cmd.dstat;
}
/**
* scsw_cstat - return scsw cstat field
* @scsw: pointer to scsw
*
* Return the value of the cstat field of the specified scsw, regardless of
* whether it is a transport mode or command mode scsw.
*/
static inline u32 scsw_cstat(union scsw *scsw)
{
if (scsw_is_tm(scsw))
return scsw->tm.cstat;
else
return scsw->cmd.cstat;
}
/**
* scsw_cmd_is_valid_key - check key field validity
* @scsw: pointer to scsw
*
* Return non-zero if the key field of the specified command mode scsw is
* valid, zero otherwise.
*/
static inline int scsw_cmd_is_valid_key(union scsw *scsw)
{
return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC);
}
/**
* scsw_cmd_is_valid_sctl - check fctl field validity
* @scsw: pointer to scsw
*
* Return non-zero if the fctl field of the specified command mode scsw is
* valid, zero otherwise.
*/
static inline int scsw_cmd_is_valid_sctl(union scsw *scsw)
{
return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC);
}
/**
* scsw_cmd_is_valid_eswf - check eswf field validity
* @scsw: pointer to scsw
*
* Return non-zero if the eswf field of the specified command mode scsw is
* valid, zero otherwise.
*/
static inline int scsw_cmd_is_valid_eswf(union scsw *scsw)
{
return (scsw->cmd.stctl & SCSW_STCTL_STATUS_PEND);
}
/**
* scsw_cmd_is_valid_cc - check cc field validity
* @scsw: pointer to scsw
*
* Return non-zero if the cc field of the specified command mode scsw is
* valid, zero otherwise.
*/
static inline int scsw_cmd_is_valid_cc(union scsw *scsw)
{
return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC) &&
(scsw->cmd.stctl & SCSW_STCTL_STATUS_PEND);
}
/**
* scsw_cmd_is_valid_fmt - check fmt field validity
* @scsw: pointer to scsw
*
* Return non-zero if the fmt field of the specified command mode scsw is
* valid, zero otherwise.
*/
static inline int scsw_cmd_is_valid_fmt(union scsw *scsw)
{
return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC);
}
/**
* scsw_cmd_is_valid_pfch - check pfch field validity
* @scsw: pointer to scsw
*
* Return non-zero if the pfch field of the specified command mode scsw is
* valid, zero otherwise.
*/
static inline int scsw_cmd_is_valid_pfch(union scsw *scsw)
{
return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC);
}
/**
* scsw_cmd_is_valid_isic - check isic field validity
* @scsw: pointer to scsw
*
* Return non-zero if the isic field of the specified command mode scsw is
* valid, zero otherwise.
*/
static inline int scsw_cmd_is_valid_isic(union scsw *scsw)
{
return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC);
}
/**
* scsw_cmd_is_valid_alcc - check alcc field validity
* @scsw: pointer to scsw
*
* Return non-zero if the alcc field of the specified command mode scsw is
* valid, zero otherwise.
*/
static inline int scsw_cmd_is_valid_alcc(union scsw *scsw)
{
return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC);
}
/**
* scsw_cmd_is_valid_ssi - check ssi field validity
* @scsw: pointer to scsw
*
* Return non-zero if the ssi field of the specified command mode scsw is
* valid, zero otherwise.
*/
static inline int scsw_cmd_is_valid_ssi(union scsw *scsw)
{
return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC);
}
/**
* scsw_cmd_is_valid_zcc - check zcc field validity
* @scsw: pointer to scsw
*
* Return non-zero if the zcc field of the specified command mode scsw is
* valid, zero otherwise.
*/
static inline int scsw_cmd_is_valid_zcc(union scsw *scsw)
{
return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC) &&
(scsw->cmd.stctl & SCSW_STCTL_INTER_STATUS);
}
/**
* scsw_cmd_is_valid_ectl - check ectl field validity
* @scsw: pointer to scsw
*
* Return non-zero if the ectl field of the specified command mode scsw is
* valid, zero otherwise.
*/
static inline int scsw_cmd_is_valid_ectl(union scsw *scsw)
{
return (scsw->cmd.stctl & SCSW_STCTL_STATUS_PEND) &&
!(scsw->cmd.stctl & SCSW_STCTL_INTER_STATUS) &&
(scsw->cmd.stctl & SCSW_STCTL_ALERT_STATUS);
}
/**
* scsw_cmd_is_valid_pno - check pno field validity
* @scsw: pointer to scsw
*
* Return non-zero if the pno field of the specified command mode scsw is
* valid, zero otherwise.
*/
static inline int scsw_cmd_is_valid_pno(union scsw *scsw)
{
return (scsw->cmd.fctl != 0) &&
(scsw->cmd.stctl & SCSW_STCTL_STATUS_PEND) &&
(!(scsw->cmd.stctl & SCSW_STCTL_INTER_STATUS) ||
((scsw->cmd.stctl & SCSW_STCTL_INTER_STATUS) &&
(scsw->cmd.actl & SCSW_ACTL_SUSPENDED)));
}
/**
* scsw_cmd_is_valid_fctl - check fctl field validity
* @scsw: pointer to scsw
*
* Return non-zero if the fctl field of the specified command mode scsw is
* valid, zero otherwise.
*/
static inline int scsw_cmd_is_valid_fctl(union scsw *scsw)
{
/* Only valid if pmcw.dnv == 1*/
return 1;
}
/**
* scsw_cmd_is_valid_actl - check actl field validity
* @scsw: pointer to scsw
*
* Return non-zero if the actl field of the specified command mode scsw is
* valid, zero otherwise.
*/
static inline int scsw_cmd_is_valid_actl(union scsw *scsw)
{
/* Only valid if pmcw.dnv == 1*/
return 1;
}
/**
* scsw_cmd_is_valid_stctl - check stctl field validity
* @scsw: pointer to scsw
*
* Return non-zero if the stctl field of the specified command mode scsw is
* valid, zero otherwise.
*/
static inline int scsw_cmd_is_valid_stctl(union scsw *scsw)
{
/* Only valid if pmcw.dnv == 1*/
return 1;
}
/**
* scsw_cmd_is_valid_dstat - check dstat field validity
* @scsw: pointer to scsw
*
* Return non-zero if the dstat field of the specified command mode scsw is
* valid, zero otherwise.
*/
static inline int scsw_cmd_is_valid_dstat(union scsw *scsw)
{
return (scsw->cmd.stctl & SCSW_STCTL_STATUS_PEND) &&
(scsw->cmd.cc != 3);
}
/**
* scsw_cmd_is_valid_cstat - check cstat field validity
* @scsw: pointer to scsw
*
* Return non-zero if the cstat field of the specified command mode scsw is
* valid, zero otherwise.
*/
static inline int scsw_cmd_is_valid_cstat(union scsw *scsw)
{
return (scsw->cmd.stctl & SCSW_STCTL_STATUS_PEND) &&
(scsw->cmd.cc != 3);
}
/**
* scsw_tm_is_valid_key - check key field validity
* @scsw: pointer to scsw
*
* Return non-zero if the key field of the specified transport mode scsw is
* valid, zero otherwise.
*/
static inline int scsw_tm_is_valid_key(union scsw *scsw)
{
return (scsw->tm.fctl & SCSW_FCTL_START_FUNC);
}
/**
* scsw_tm_is_valid_eswf - check eswf field validity
* @scsw: pointer to scsw
*
* Return non-zero if the eswf field of the specified transport mode scsw is
* valid, zero otherwise.
*/
static inline int scsw_tm_is_valid_eswf(union scsw *scsw)
{
return (scsw->tm.stctl & SCSW_STCTL_STATUS_PEND);
}
/**
* scsw_tm_is_valid_cc - check cc field validity
* @scsw: pointer to scsw
*
* Return non-zero if the cc field of the specified transport mode scsw is
* valid, zero otherwise.
*/
static inline int scsw_tm_is_valid_cc(union scsw *scsw)
{
return (scsw->tm.fctl & SCSW_FCTL_START_FUNC) &&
(scsw->tm.stctl & SCSW_STCTL_STATUS_PEND);
}
/**
* scsw_tm_is_valid_fmt - check fmt field validity
* @scsw: pointer to scsw
*
* Return non-zero if the fmt field of the specified transport mode scsw is
* valid, zero otherwise.
*/
static inline int scsw_tm_is_valid_fmt(union scsw *scsw)
{
return 1;
}
/**
* scsw_tm_is_valid_x - check x field validity
* @scsw: pointer to scsw
*
* Return non-zero if the x field of the specified transport mode scsw is
* valid, zero otherwise.
*/
static inline int scsw_tm_is_valid_x(union scsw *scsw)
{
return 1;
}
/**
* scsw_tm_is_valid_q - check q field validity
* @scsw: pointer to scsw
*
* Return non-zero if the q field of the specified transport mode scsw is
* valid, zero otherwise.
*/
static inline int scsw_tm_is_valid_q(union scsw *scsw)
{
return 1;
}
/**
* scsw_tm_is_valid_ectl - check ectl field validity
* @scsw: pointer to scsw
*
* Return non-zero if the ectl field of the specified transport mode scsw is
* valid, zero otherwise.
*/
static inline int scsw_tm_is_valid_ectl(union scsw *scsw)
{
return (scsw->tm.stctl & SCSW_STCTL_STATUS_PEND) &&
!(scsw->tm.stctl & SCSW_STCTL_INTER_STATUS) &&
(scsw->tm.stctl & SCSW_STCTL_ALERT_STATUS);
}
/**
* scsw_tm_is_valid_pno - check pno field validity
* @scsw: pointer to scsw
*
* Return non-zero if the pno field of the specified transport mode scsw is
* valid, zero otherwise.
*/
static inline int scsw_tm_is_valid_pno(union scsw *scsw)
{
return (scsw->tm.fctl != 0) &&
(scsw->tm.stctl & SCSW_STCTL_STATUS_PEND) &&
(!(scsw->tm.stctl & SCSW_STCTL_INTER_STATUS) ||
((scsw->tm.stctl & SCSW_STCTL_INTER_STATUS) &&
(scsw->tm.actl & SCSW_ACTL_SUSPENDED)));
}
/**
* scsw_tm_is_valid_fctl - check fctl field validity
* @scsw: pointer to scsw
*
* Return non-zero if the fctl field of the specified transport mode scsw is
* valid, zero otherwise.
*/
static inline int scsw_tm_is_valid_fctl(union scsw *scsw)
{
/* Only valid if pmcw.dnv == 1*/
return 1;
}
/**
* scsw_tm_is_valid_actl - check actl field validity
* @scsw: pointer to scsw
*
* Return non-zero if the actl field of the specified transport mode scsw is
* valid, zero otherwise.
*/
static inline int scsw_tm_is_valid_actl(union scsw *scsw)
{
/* Only valid if pmcw.dnv == 1*/
return 1;
}
/**
* scsw_tm_is_valid_stctl - check stctl field validity
* @scsw: pointer to scsw
*
* Return non-zero if the stctl field of the specified transport mode scsw is
* valid, zero otherwise.
*/
static inline int scsw_tm_is_valid_stctl(union scsw *scsw)
{
/* Only valid if pmcw.dnv == 1*/
return 1;
}
/**
* scsw_tm_is_valid_dstat - check dstat field validity
* @scsw: pointer to scsw
*
* Return non-zero if the dstat field of the specified transport mode scsw is
* valid, zero otherwise.
*/
static inline int scsw_tm_is_valid_dstat(union scsw *scsw)
{
return (scsw->tm.stctl & SCSW_STCTL_STATUS_PEND) &&
(scsw->tm.cc != 3);
}
/**
* scsw_tm_is_valid_cstat - check cstat field validity
* @scsw: pointer to scsw
*
* Return non-zero if the cstat field of the specified transport mode scsw is
* valid, zero otherwise.
*/
static inline int scsw_tm_is_valid_cstat(union scsw *scsw)
{
return (scsw->tm.stctl & SCSW_STCTL_STATUS_PEND) &&
(scsw->tm.cc != 3);
}
/**
* scsw_tm_is_valid_fcxs - check fcxs field validity
* @scsw: pointer to scsw
*
* Return non-zero if the fcxs field of the specified transport mode scsw is
* valid, zero otherwise.
*/
static inline int scsw_tm_is_valid_fcxs(union scsw *scsw)
{
return 1;
}
/**
* scsw_tm_is_valid_schxs - check schxs field validity
* @scsw: pointer to scsw
*
* Return non-zero if the schxs field of the specified transport mode scsw is
* valid, zero otherwise.
*/
static inline int scsw_tm_is_valid_schxs(union scsw *scsw)
{
return (scsw->tm.cstat & (SCHN_STAT_PROG_CHECK |
SCHN_STAT_INTF_CTRL_CHK |
SCHN_STAT_PROT_CHECK |
SCHN_STAT_CHN_DATA_CHK));
}
/**
* scsw_is_valid_actl - check actl field validity
* @scsw: pointer to scsw
*
* Return non-zero if the actl field of the specified scsw is valid,
* regardless of whether it is a transport mode or command mode scsw.
* Return zero if the field does not contain a valid value.
*/
static inline int scsw_is_valid_actl(union scsw *scsw)
{
if (scsw_is_tm(scsw))
return scsw_tm_is_valid_actl(scsw);
else
return scsw_cmd_is_valid_actl(scsw);
}
/**
* scsw_is_valid_cc - check cc field validity
* @scsw: pointer to scsw
*
* Return non-zero if the cc field of the specified scsw is valid,
* regardless of whether it is a transport mode or command mode scsw.
* Return zero if the field does not contain a valid value.
*/
static inline int scsw_is_valid_cc(union scsw *scsw)
{
if (scsw_is_tm(scsw))
return scsw_tm_is_valid_cc(scsw);
else
return scsw_cmd_is_valid_cc(scsw);
}
/**
* scsw_is_valid_cstat - check cstat field validity
* @scsw: pointer to scsw
*
* Return non-zero if the cstat field of the specified scsw is valid,
* regardless of whether it is a transport mode or command mode scsw.
* Return zero if the field does not contain a valid value.
*/
static inline int scsw_is_valid_cstat(union scsw *scsw)
{
if (scsw_is_tm(scsw))
return scsw_tm_is_valid_cstat(scsw);
else
return scsw_cmd_is_valid_cstat(scsw);
}
/**
* scsw_is_valid_dstat - check dstat field validity
* @scsw: pointer to scsw
*
* Return non-zero if the dstat field of the specified scsw is valid,
* regardless of whether it is a transport mode or command mode scsw.
* Return zero if the field does not contain a valid value.
*/
static inline int scsw_is_valid_dstat(union scsw *scsw)
{
if (scsw_is_tm(scsw))
return scsw_tm_is_valid_dstat(scsw);
else
return scsw_cmd_is_valid_dstat(scsw);
}
/**
* scsw_is_valid_ectl - check ectl field validity
* @scsw: pointer to scsw
*
* Return non-zero if the ectl field of the specified scsw is valid,
* regardless of whether it is a transport mode or command mode scsw.
* Return zero if the field does not contain a valid value.
*/
static inline int scsw_is_valid_ectl(union scsw *scsw)
{
if (scsw_is_tm(scsw))
return scsw_tm_is_valid_ectl(scsw);
else
return scsw_cmd_is_valid_ectl(scsw);
}
/**
* scsw_is_valid_eswf - check eswf field validity
* @scsw: pointer to scsw
*
* Return non-zero if the eswf field of the specified scsw is valid,
* regardless of whether it is a transport mode or command mode scsw.
* Return zero if the field does not contain a valid value.
*/
static inline int scsw_is_valid_eswf(union scsw *scsw)
{
if (scsw_is_tm(scsw))
return scsw_tm_is_valid_eswf(scsw);
else
return scsw_cmd_is_valid_eswf(scsw);
}
/**
* scsw_is_valid_fctl - check fctl field validity
* @scsw: pointer to scsw
*
* Return non-zero if the fctl field of the specified scsw is valid,
* regardless of whether it is a transport mode or command mode scsw.
* Return zero if the field does not contain a valid value.
*/
static inline int scsw_is_valid_fctl(union scsw *scsw)
{
if (scsw_is_tm(scsw))
return scsw_tm_is_valid_fctl(scsw);
else
return scsw_cmd_is_valid_fctl(scsw);
}
/**
* scsw_is_valid_key - check key field validity
* @scsw: pointer to scsw
*
* Return non-zero if the key field of the specified scsw is valid,
* regardless of whether it is a transport mode or command mode scsw.
* Return zero if the field does not contain a valid value.
*/
static inline int scsw_is_valid_key(union scsw *scsw)
{
if (scsw_is_tm(scsw))
return scsw_tm_is_valid_key(scsw);
else
return scsw_cmd_is_valid_key(scsw);
}
/**
* scsw_is_valid_pno - check pno field validity
* @scsw: pointer to scsw
*
* Return non-zero if the pno field of the specified scsw is valid,
* regardless of whether it is a transport mode or command mode scsw.
* Return zero if the field does not contain a valid value.
*/
static inline int scsw_is_valid_pno(union scsw *scsw)
{
if (scsw_is_tm(scsw))
return scsw_tm_is_valid_pno(scsw);
else
return scsw_cmd_is_valid_pno(scsw);
}
/**
* scsw_is_valid_stctl - check stctl field validity
* @scsw: pointer to scsw
*
* Return non-zero if the stctl field of the specified scsw is valid,
* regardless of whether it is a transport mode or command mode scsw.
* Return zero if the field does not contain a valid value.
*/
static inline int scsw_is_valid_stctl(union scsw *scsw)
{
if (scsw_is_tm(scsw))
return scsw_tm_is_valid_stctl(scsw);
else
return scsw_cmd_is_valid_stctl(scsw);
}
/**
* scsw_cmd_is_solicited - check for solicited scsw
* @scsw: pointer to scsw
*
* Return non-zero if the command mode scsw indicates that the associated
* status condition is solicited, zero if it is unsolicited.
*/
static inline int scsw_cmd_is_solicited(union scsw *scsw)
{
return (scsw->cmd.cc != 0) || (scsw->cmd.stctl !=
(SCSW_STCTL_STATUS_PEND | SCSW_STCTL_ALERT_STATUS));
}
/**
* scsw_tm_is_solicited - check for solicited scsw
* @scsw: pointer to scsw
*
* Return non-zero if the transport mode scsw indicates that the associated
* status condition is solicited, zero if it is unsolicited.
*/
static inline int scsw_tm_is_solicited(union scsw *scsw)
{
return (scsw->tm.cc != 0) || (scsw->tm.stctl !=
(SCSW_STCTL_STATUS_PEND | SCSW_STCTL_ALERT_STATUS));
}
/**
* scsw_is_solicited - check for solicited scsw
* @scsw: pointer to scsw
*
* Return non-zero if the transport or command mode scsw indicates that the
* associated status condition is solicited, zero if it is unsolicited.
*/
static inline int scsw_is_solicited(union scsw *scsw)
{
if (scsw_is_tm(scsw))
return scsw_tm_is_solicited(scsw);
else
return scsw_cmd_is_solicited(scsw);
}
#endif /* _ASM_S390_SCSW_H_ */