/* 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_ */
Name | Type | Size | Permission | Actions |
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fpu | Folder | 0755 |
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trace | Folder | 0755 |
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Kbuild | File | 557 B | 0644 |
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airq.h | File | 3.02 KB | 0644 |
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alternative-asm.h | File | 3.07 KB | 0644 |
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alternative.h | File | 4.99 KB | 0644 |
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ap.h | File | 9.9 KB | 0644 |
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appldata.h | File | 1.54 KB | 0644 |
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archrandom.h | File | 1.1 KB | 0644 |
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asm-prototypes.h | File | 227 B | 0644 |
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atomic.h | File | 5.1 KB | 0644 |
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atomic_ops.h | File | 4.02 KB | 0644 |
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barrier.h | File | 1.84 KB | 0644 |
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bitops.h | File | 10.13 KB | 0644 |
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bug.h | File | 1.49 KB | 0644 |
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bugs.h | File | 441 B | 0644 |
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cache.h | File | 387 B | 0644 |
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ccwdev.h | File | 7.99 KB | 0644 |
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ccwgroup.h | File | 2.53 KB | 0644 |
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checksum.h | File | 3.24 KB | 0644 |
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chpid.h | File | 974 B | 0644 |
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cio.h | File | 8.01 KB | 0644 |
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clp.h | File | 1.32 KB | 0644 |
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cmb.h | File | 425 B | 0644 |
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cmpxchg.h | File | 1.76 KB | 0644 |
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compat.h | File | 7.9 KB | 0644 |
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cpacf.h | File | 16.8 KB | 0644 |
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cpcmd.h | File | 1.11 KB | 0644 |
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cpu.h | File | 549 B | 0644 |
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cpu_mf.h | File | 8.99 KB | 0644 |
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cpufeature.h | File | 963 B | 0644 |
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cputime.h | File | 805 B | 0644 |
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crw.h | File | 1.86 KB | 0644 |
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css_chars.h | File | 769 B | 0644 |
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ctl_reg.h | File | 2.89 KB | 0644 |
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current.h | File | 405 B | 0644 |
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debug.h | File | 8.1 KB | 0644 |
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delay.h | File | 721 B | 0644 |
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diag.h | File | 5.94 KB | 0644 |
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dis.h | File | 637 B | 0644 |
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dma-mapping.h | File | 621 B | 0644 |
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dma.h | File | 456 B | 0644 |
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eadm.h | File | 2.03 KB | 0644 |
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ebcdic.h | File | 1.41 KB | 0644 |
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elf.h | File | 10.36 KB | 0644 |
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exec.h | File | 269 B | 0644 |
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extable.h | File | 875 B | 0644 |
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extmem.h | File | 804 B | 0644 |
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facility.h | File | 2.44 KB | 0644 |
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fcx.h | File | 7.91 KB | 0644 |
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ftrace.h | File | 1.66 KB | 0644 |
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futex.h | File | 2.07 KB | 0644 |
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gmap.h | File | 4.93 KB | 0644 |
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hardirq.h | File | 670 B | 0644 |
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hugetlb.h | File | 2.82 KB | 0644 |
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hw_irq.h | File | 249 B | 0644 |
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idals.h | File | 5.22 KB | 0644 |
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idle.h | File | 709 B | 0644 |
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io.h | File | 2.03 KB | 0644 |
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ipl.h | File | 3.6 KB | 0644 |
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irq.h | File | 2.55 KB | 0644 |
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irqflags.h | File | 1.76 KB | 0644 |
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isc.h | File | 1000 B | 0644 |
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itcw.h | File | 950 B | 0644 |
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jump_label.h | File | 1.36 KB | 0644 |
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kdebug.h | File | 386 B | 0644 |
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kexec.h | File | 1.32 KB | 0644 |
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kprobes.h | File | 2.24 KB | 0644 |
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kvm_host.h | File | 22.24 KB | 0644 |
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kvm_para.h | File | 5.78 KB | 0644 |
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linkage.h | File | 633 B | 0644 |
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livepatch.h | File | 461 B | 0644 |
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lowcore.h | File | 6.29 KB | 0644 |
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mmu.h | File | 1.19 KB | 0644 |
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mmu_context.h | File | 3.84 KB | 0644 |
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mmzone.h | File | 316 B | 0644 |
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module.h | File | 802 B | 0644 |
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nmi.h | File | 3.44 KB | 0644 |
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nospec-branch.h | File | 342 B | 0644 |
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nospec-insn.h | File | 3.81 KB | 0644 |
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numa.h | File | 730 B | 0644 |
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os_info.h | File | 1.1 KB | 0644 |
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page-states.h | File | 486 B | 0644 |
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page.h | File | 5.12 KB | 0644 |
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pci.h | File | 6.26 KB | 0644 |
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pci_clp.h | File | 4.25 KB | 0644 |
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pci_debug.h | File | 608 B | 0644 |
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pci_dma.h | File | 5.7 KB | 0644 |
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pci_insn.h | File | 2.59 KB | 0644 |
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pci_io.h | File | 4.58 KB | 0644 |
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percpu.h | File | 6.43 KB | 0644 |
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perf_event.h | File | 2.71 KB | 0644 |
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pgalloc.h | File | 4.32 KB | 0644 |
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pgtable.h | File | 47.7 KB | 0644 |
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pkey.h | File | 4.23 KB | 0644 |
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preempt.h | File | 3.25 KB | 0644 |
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processor.h | File | 10.42 KB | 0644 |
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ptrace.h | File | 5.27 KB | 0644 |
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qdio.h | File | 11.67 KB | 0644 |
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reset.h | File | 471 B | 0644 |
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runtime_instr.h | File | 1.76 KB | 0644 |
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schid.h | File | 525 B | 0644 |
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sclp.h | File | 3.38 KB | 0644 |
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scsw.h | File | 24.1 KB | 0644 |
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seccomp.h | File | 516 B | 0644 |
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sections.h | File | 155 B | 0644 |
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segment.h | File | 93 B | 0644 |
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serial.h | File | 147 B | 0644 |
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set_memory.h | File | 779 B | 0644 |
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setup.h | File | 4.44 KB | 0644 |
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shmparam.h | File | 285 B | 0644 |
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signal.h | File | 644 B | 0644 |
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sigp.h | File | 1.8 KB | 0644 |
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smp.h | File | 2.45 KB | 0644 |
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sparsemem.h | File | 214 B | 0644 |
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spinlock.h | File | 3.53 KB | 0644 |
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spinlock_types.h | File | 437 B | 0644 |
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stp.h | File | 1.26 KB | 0644 |
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string.h | File | 4.5 KB | 0644 |
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switch_to.h | File | 1.37 KB | 0644 |
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syscall.h | File | 2.63 KB | 0644 |
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sysinfo.h | File | 4.22 KB | 0644 |
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termios.h | File | 685 B | 0644 |
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thread_info.h | File | 3.15 KB | 0644 |
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timex.h | File | 6.15 KB | 0644 |
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tlb.h | File | 5.71 KB | 0644 |
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tlbflush.h | File | 3.52 KB | 0644 |
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topology.h | File | 2.69 KB | 0644 |
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uaccess.h | File | 6.57 KB | 0644 |
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unistd.h | File | 1.03 KB | 0644 |
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uprobes.h | File | 588 B | 0644 |
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user.h | File | 3.3 KB | 0644 |
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vdso.h | File | 1.8 KB | 0644 |
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vga.h | File | 170 B | 0644 |
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vtime.h | File | 182 B | 0644 |
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vtimer.h | File | 866 B | 0644 |
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vx-insn.h | File | 10.66 KB | 0644 |
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xor.h | File | 454 B | 0644 |
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