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/* SPDX-License-Identifier: GPL-2.0 */
/*
 *  Helper functions for scsw access.
 *
 *    Copyright IBM Corp. 2008, 2012
 *    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/css_chars.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 ifob:1;
	u32 sesq:7;
} __attribute__ ((packed));

/**
 * struct eadm_scsw - subchannel status word for eadm subchannels
 * @key: subchannel key
 * @eswf: esw format
 * @cc: deferred condition code
 * @ectl: extended control
 * @fctl: function control
 * @actl: activity control
 * @stctl: status control
 * @aob: AOB address
 * @dstat: device status
 * @cstat: subchannel status
 */
struct eadm_scsw {
	u32 key:4;
	u32:1;
	u32 eswf:1;
	u32 cc:2;
	u32:6;
	u32 ectl:1;
	u32:2;
	u32 fctl:3;
	u32 actl:7;
	u32 stctl:5;
	u32 aob;
	u32 dstat:8;
	u32 cstat:8;
	u32:16;
} __packed;

/**
 * union scsw - subchannel status word
 * @cmd: command-mode SCSW
 * @tm: transport-mode SCSW
 * @eadm: eadm SCSW
 */
union scsw {
	struct cmd_scsw cmd;
	struct tm_scsw tm;
	struct eadm_scsw eadm;
} __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

#define SCSW_SESQ_DEV_NOFCX	 3
#define SCSW_SESQ_PATH_NOFCX	 4

/*
 * 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_ */

Filemanager

Name Type Size Permission Actions
fpu Folder 0755
trace Folder 0755
Kbuild File 557 B 0644
airq.h File 3.02 KB 0644
alternative-asm.h File 3.07 KB 0644
alternative.h File 4.99 KB 0644
ap.h File 9.9 KB 0644
appldata.h File 1.54 KB 0644
archrandom.h File 1.17 KB 0644
asm-prototypes.h File 227 B 0644
atomic.h File 5.1 KB 0644
atomic_ops.h File 4.02 KB 0644
barrier.h File 1.84 KB 0644
bitops.h File 10.13 KB 0644
bug.h File 1.49 KB 0644
bugs.h File 441 B 0644
cache.h File 387 B 0644
ccwdev.h File 7.99 KB 0644
ccwgroup.h File 2.53 KB 0644
checksum.h File 3.24 KB 0644
chpid.h File 974 B 0644
cio.h File 8.01 KB 0644
clp.h File 1.32 KB 0644
cmb.h File 425 B 0644
cmpxchg.h File 1.76 KB 0644
compat.h File 7.9 KB 0644
cpacf.h File 16.8 KB 0644
cpcmd.h File 1.11 KB 0644
cpu.h File 549 B 0644
cpu_mf.h File 8.99 KB 0644
cpufeature.h File 963 B 0644
cputime.h File 805 B 0644
crw.h File 1.86 KB 0644
css_chars.h File 769 B 0644
ctl_reg.h File 2.89 KB 0644
current.h File 405 B 0644
debug.h File 8.1 KB 0644
delay.h File 721 B 0644
diag.h File 5.94 KB 0644
dis.h File 637 B 0644
dma-mapping.h File 621 B 0644
dma.h File 456 B 0644
eadm.h File 2.03 KB 0644
ebcdic.h File 1.41 KB 0644
elf.h File 10.36 KB 0644
exec.h File 269 B 0644
extable.h File 875 B 0644
extmem.h File 804 B 0644
facility.h File 2.44 KB 0644
fcx.h File 7.91 KB 0644
ftrace.h File 1.66 KB 0644
futex.h File 2.09 KB 0644
gmap.h File 4.93 KB 0644
hardirq.h File 670 B 0644
hugetlb.h File 2.87 KB 0644
hw_irq.h File 249 B 0644
idals.h File 5.22 KB 0644
idle.h File 709 B 0644
io.h File 2.03 KB 0644
ipl.h File 3.6 KB 0644
irq.h File 2.55 KB 0644
irqflags.h File 1.76 KB 0644
isc.h File 1000 B 0644
itcw.h File 950 B 0644
jump_label.h File 1.36 KB 0644
kdebug.h File 386 B 0644
kexec.h File 1.32 KB 0644
kprobes.h File 2.24 KB 0644
kvm_host.h File 22.24 KB 0644
kvm_para.h File 5.78 KB 0644
linkage.h File 633 B 0644
livepatch.h File 461 B 0644
lowcore.h File 6.29 KB 0644
mmu.h File 1.19 KB 0644
mmu_context.h File 3.84 KB 0644
mmzone.h File 316 B 0644
module.h File 802 B 0644
nmi.h File 3.44 KB 0644
nospec-branch.h File 342 B 0644
nospec-insn.h File 3.81 KB 0644
numa.h File 730 B 0644
os_info.h File 1.1 KB 0644
page-states.h File 486 B 0644
page.h File 5.12 KB 0644
pci.h File 6.26 KB 0644
pci_clp.h File 4.25 KB 0644
pci_debug.h File 608 B 0644
pci_dma.h File 5.7 KB 0644
pci_insn.h File 2.59 KB 0644
pci_io.h File 4.58 KB 0644
percpu.h File 6.44 KB 0644
perf_event.h File 2.71 KB 0644
pgalloc.h File 4.32 KB 0644
pgtable.h File 47.7 KB 0644
pkey.h File 4.23 KB 0644
preempt.h File 3.25 KB 0644
processor.h File 10.42 KB 0644
ptrace.h File 5.27 KB 0644
qdio.h File 11.67 KB 0644
reset.h File 471 B 0644
runtime_instr.h File 1.76 KB 0644
schid.h File 525 B 0644
sclp.h File 3.38 KB 0644
scsw.h File 24.1 KB 0644
seccomp.h File 516 B 0644
sections.h File 155 B 0644
segment.h File 93 B 0644
serial.h File 147 B 0644
set_memory.h File 779 B 0644
setup.h File 4.44 KB 0644
shmparam.h File 285 B 0644
signal.h File 644 B 0644
sigp.h File 1.8 KB 0644
smp.h File 2.45 KB 0644
sparsemem.h File 214 B 0644
spinlock.h File 3.53 KB 0644
spinlock_types.h File 437 B 0644
stp.h File 1.26 KB 0644
string.h File 4.5 KB 0644
switch_to.h File 1.37 KB 0644
syscall.h File 2.63 KB 0644
sysinfo.h File 4.22 KB 0644
termios.h File 685 B 0644
thread_info.h File 3.15 KB 0644
timex.h File 6.15 KB 0644
tlb.h File 5.71 KB 0644
tlbflush.h File 3.52 KB 0644
topology.h File 2.69 KB 0644
uaccess.h File 6.57 KB 0644
unistd.h File 1.03 KB 0644
uprobes.h File 588 B 0644
user.h File 3.3 KB 0644
vdso.h File 1.8 KB 0644
vga.h File 170 B 0644
vtime.h File 182 B 0644
vtimer.h File 866 B 0644
vx-insn.h File 10.66 KB 0644
xor.h File 454 B 0644