/** * 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.
*/ staticinlineint 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.
*/ staticinline 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.
*/ staticinline 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.
*/ staticinline 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.
*/ staticinline 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.
*/ staticinline 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.
*/ staticinline 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.
*/ staticinline 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.
*/ staticinline 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.
*/ staticinline 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.
*/ staticinline 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.
*/ staticinlineint scsw_cmd_is_valid_key(union scsw *scsw)
{ return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC);
}
/** * scsw_cmd_is_valid_sctl - check sctl field validity * @scsw: pointer to scsw * * Return non-zero if the sctl field of the specified command mode scsw is * valid, zero otherwise.
*/ staticinlineint 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.
*/ staticinlineint 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.
*/ staticinlineint 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.
*/ staticinlineint 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.
*/ staticinlineint 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.
*/ staticinlineint 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.
*/ staticinlineint 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.
*/ staticinlineint 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.
*/ staticinlineint 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.
*/ staticinlineint scsw_cmd_is_valid_ectl(union scsw *scsw)
{ /* Must be status pending. */ if (!(scsw->cmd.stctl & SCSW_STCTL_STATUS_PEND)) return 0;
/* Must have alert status. */ if (!(scsw->cmd.stctl & SCSW_STCTL_ALERT_STATUS)) return 0;
/* Must be alone or together with primary, secondary or both, * => no intermediate status.
*/ if (scsw->cmd.stctl & SCSW_STCTL_INTER_STATUS) return 0;
return 1;
}
/** * 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.
*/ staticinlineint scsw_cmd_is_valid_pno(union scsw *scsw)
{ /* Must indicate at least one I/O function. */ if (!scsw->cmd.fctl) return 0;
/* Must be status pending. */ if (!(scsw->cmd.stctl & SCSW_STCTL_STATUS_PEND)) return 0;
/* Can be status pending alone, or with any combination of primary, * secondary and alert => no intermediate status.
*/ if (!(scsw->cmd.stctl & SCSW_STCTL_INTER_STATUS)) return 1;
/* If intermediate, must be suspended. */ if (scsw->cmd.actl & SCSW_ACTL_SUSPENDED) return 1;
return 0;
}
/** * 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.
*/ staticinlineint 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.
*/ staticinlineint 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.
*/ staticinlineint 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.
*/ staticinlineint 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.
*/ staticinlineint 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.
*/ staticinlineint 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.
*/ staticinlineint 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.
*/ staticinlineint 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.
*/ staticinlineint 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.
*/ staticinlineint 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.
*/ staticinlineint 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.
*/ staticinlineint scsw_tm_is_valid_ectl(union scsw *scsw)
{ /* Must be status pending. */ if (!(scsw->tm.stctl & SCSW_STCTL_STATUS_PEND)) return 0;
/* Must have alert status. */ if (!(scsw->tm.stctl & SCSW_STCTL_ALERT_STATUS)) return 0;
/* Must be alone or together with primary, secondary or both, * => no intermediate status.
*/ if (scsw->tm.stctl & SCSW_STCTL_INTER_STATUS) return 0;
return 1;
}
/** * 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.
*/ staticinlineint scsw_tm_is_valid_pno(union scsw *scsw)
{ /* Must indicate at least one I/O function. */ if (!scsw->tm.fctl) return 0;
/* Must be status pending. */ if (!(scsw->tm.stctl & SCSW_STCTL_STATUS_PEND)) return 0;
/* Can be status pending alone, or with any combination of primary, * secondary and alert => no intermediate status.
*/ if (!(scsw->tm.stctl & SCSW_STCTL_INTER_STATUS)) return 1;
/* If intermediate, must be suspended. */ if (scsw->tm.actl & SCSW_ACTL_SUSPENDED) return 1;
return 0;
}
/** * 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.
*/ staticinlineint 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.
*/ staticinlineint 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.
*/ staticinlineint 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.
*/ staticinlineint 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.
*/ staticinlineint 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.
*/ staticinlineint 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.
*/ staticinlineint 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.
*/ staticinlineint 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.
*/ staticinlineint 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.
*/ staticinlineint 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.
*/ staticinlineint 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.
*/ staticinlineint 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.
*/ staticinlineint 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.
*/ staticinlineint 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.
*/ staticinlineint 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.
*/ staticinlineint 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.
*/ staticinlineint 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.
*/ staticinlineint 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.
*/ staticinlineint 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.
*/ staticinlineint 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_ */
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