diff options
-rw-r--r-- | arch/s390/include/asm/chsc.h | 28 | ||||
-rw-r--r-- | arch/s390/include/asm/cio.h | 223 | ||||
-rw-r--r-- | arch/s390/include/asm/scsw.h (renamed from drivers/s390/cio/scsw.c) | 345 | ||||
-rw-r--r-- | arch/s390/include/asm/timex.h | 16 | ||||
-rw-r--r-- | arch/s390/kernel/early.c | 2 | ||||
-rw-r--r-- | arch/s390/kernel/head.S | 2 | ||||
-rw-r--r-- | arch/s390/kernel/time.c | 9 | ||||
-rw-r--r-- | arch/s390/lib/delay.c | 2 | ||||
-rw-r--r-- | drivers/s390/block/dasd_eckd.c | 41 | ||||
-rw-r--r-- | drivers/s390/block/dasd_erp.c | 2 | ||||
-rw-r--r-- | drivers/s390/block/dasd_fba.c | 21 | ||||
-rw-r--r-- | drivers/s390/block/dasd_int.h | 3 | ||||
-rw-r--r-- | drivers/s390/char/monreader.c | 4 | ||||
-rw-r--r-- | drivers/s390/char/sclp_rw.h | 5 | ||||
-rw-r--r-- | drivers/s390/cio/Makefile | 2 | ||||
-rw-r--r-- | drivers/s390/cio/chsc.h | 24 |
16 files changed, 313 insertions, 416 deletions
diff --git a/arch/s390/include/asm/chsc.h b/arch/s390/include/asm/chsc.h index 807997f7414b..4943654ed7fd 100644 --- a/arch/s390/include/asm/chsc.h +++ b/arch/s390/include/asm/chsc.h @@ -125,4 +125,32 @@ struct chsc_cpd_info { #define CHSC_INFO_CPD _IOWR(CHSC_IOCTL_MAGIC, 0x87, struct chsc_cpd_info) #define CHSC_INFO_DCAL _IOWR(CHSC_IOCTL_MAGIC, 0x88, struct chsc_dcal) +#ifdef __KERNEL__ + +struct css_general_char { + u64 : 12; + u32 dynio : 1; /* bit 12 */ + u32 : 28; + u32 aif : 1; /* bit 41 */ + u32 : 3; + u32 mcss : 1; /* bit 45 */ + u32 fcs : 1; /* bit 46 */ + u32 : 1; + u32 ext_mb : 1; /* bit 48 */ + u32 : 7; + u32 aif_tdd : 1; /* bit 56 */ + u32 : 1; + u32 qebsm : 1; /* bit 58 */ + u32 : 8; + u32 aif_osa : 1; /* bit 67 */ + u32 : 14; + u32 cib : 1; /* bit 82 */ + u32 : 5; + u32 fcx : 1; /* bit 88 */ + u32 : 7; +}__attribute__((packed)); + +extern struct css_general_char css_general_characteristics; + +#endif /* __KERNEL__ */ #endif diff --git a/arch/s390/include/asm/cio.h b/arch/s390/include/asm/cio.h index 619bf94b11f1..e85679af54dd 100644 --- a/arch/s390/include/asm/cio.h +++ b/arch/s390/include/asm/cio.h @@ -15,228 +15,7 @@ #define LPM_ANYPATH 0xff #define __MAX_CSSID 0 -/** - * struct cmd_scsw - command-mode subchannel status word - * @key: subchannel key - * @sctl: suspend control - * @eswf: esw format - * @cc: deferred condition code - * @fmt: format - * @pfch: prefetch - * @isic: initial-status interruption control - * @alcc: address-limit checking control - * @ssi: suppress-suspended interruption - * @zcc: zero condition code - * @ectl: extended control - * @pno: path not operational - * @res: reserved - * @fctl: function control - * @actl: activity control - * @stctl: status control - * @cpa: channel program address - * @dstat: device status - * @cstat: subchannel status - * @count: residual count - */ -struct cmd_scsw { - __u32 key : 4; - __u32 sctl : 1; - __u32 eswf : 1; - __u32 cc : 2; - __u32 fmt : 1; - __u32 pfch : 1; - __u32 isic : 1; - __u32 alcc : 1; - __u32 ssi : 1; - __u32 zcc : 1; - __u32 ectl : 1; - __u32 pno : 1; - __u32 res : 1; - __u32 fctl : 3; - __u32 actl : 7; - __u32 stctl : 5; - __u32 cpa; - __u32 dstat : 8; - __u32 cstat : 8; - __u32 count : 16; -} __attribute__ ((packed)); - -/** - * struct tm_scsw - transport-mode subchannel status word - * @key: subchannel key - * @eswf: esw format - * @cc: deferred condition code - * @fmt: format - * @x: IRB-format control - * @q: interrogate-complete - * @ectl: extended control - * @pno: path not operational - * @fctl: function control - * @actl: activity control - * @stctl: status control - * @tcw: TCW address - * @dstat: device status - * @cstat: subchannel status - * @fcxs: FCX status - * @schxs: subchannel-extended status - */ -struct tm_scsw { - u32 key:4; - u32 :1; - u32 eswf:1; - u32 cc:2; - u32 fmt:3; - u32 x:1; - u32 q:1; - u32 :1; - u32 ectl:1; - u32 pno:1; - u32 :1; - u32 fctl:3; - u32 actl:7; - u32 stctl:5; - u32 tcw; - u32 dstat:8; - u32 cstat:8; - u32 fcxs:8; - u32 schxs:8; -} __attribute__ ((packed)); - -/** - * union scsw - subchannel status word - * @cmd: command-mode SCSW - * @tm: transport-mode SCSW - */ -union scsw { - struct cmd_scsw cmd; - struct tm_scsw tm; -} __attribute__ ((packed)); - -int scsw_is_tm(union scsw *scsw); -u32 scsw_key(union scsw *scsw); -u32 scsw_eswf(union scsw *scsw); -u32 scsw_cc(union scsw *scsw); -u32 scsw_ectl(union scsw *scsw); -u32 scsw_pno(union scsw *scsw); -u32 scsw_fctl(union scsw *scsw); -u32 scsw_actl(union scsw *scsw); -u32 scsw_stctl(union scsw *scsw); -u32 scsw_dstat(union scsw *scsw); -u32 scsw_cstat(union scsw *scsw); -int scsw_is_solicited(union scsw *scsw); -int scsw_is_valid_key(union scsw *scsw); -int scsw_is_valid_eswf(union scsw *scsw); -int scsw_is_valid_cc(union scsw *scsw); -int scsw_is_valid_ectl(union scsw *scsw); -int scsw_is_valid_pno(union scsw *scsw); -int scsw_is_valid_fctl(union scsw *scsw); -int scsw_is_valid_actl(union scsw *scsw); -int scsw_is_valid_stctl(union scsw *scsw); -int scsw_is_valid_dstat(union scsw *scsw); -int scsw_is_valid_cstat(union scsw *scsw); -int scsw_cmd_is_valid_key(union scsw *scsw); -int scsw_cmd_is_valid_sctl(union scsw *scsw); -int scsw_cmd_is_valid_eswf(union scsw *scsw); -int scsw_cmd_is_valid_cc(union scsw *scsw); -int scsw_cmd_is_valid_fmt(union scsw *scsw); -int scsw_cmd_is_valid_pfch(union scsw *scsw); -int scsw_cmd_is_valid_isic(union scsw *scsw); -int scsw_cmd_is_valid_alcc(union scsw *scsw); -int scsw_cmd_is_valid_ssi(union scsw *scsw); -int scsw_cmd_is_valid_zcc(union scsw *scsw); -int scsw_cmd_is_valid_ectl(union scsw *scsw); -int scsw_cmd_is_valid_pno(union scsw *scsw); -int scsw_cmd_is_valid_fctl(union scsw *scsw); -int scsw_cmd_is_valid_actl(union scsw *scsw); -int scsw_cmd_is_valid_stctl(union scsw *scsw); -int scsw_cmd_is_valid_dstat(union scsw *scsw); -int scsw_cmd_is_valid_cstat(union scsw *scsw); -int scsw_cmd_is_solicited(union scsw *scsw); -int scsw_tm_is_valid_key(union scsw *scsw); -int scsw_tm_is_valid_eswf(union scsw *scsw); -int scsw_tm_is_valid_cc(union scsw *scsw); -int scsw_tm_is_valid_fmt(union scsw *scsw); -int scsw_tm_is_valid_x(union scsw *scsw); -int scsw_tm_is_valid_q(union scsw *scsw); -int scsw_tm_is_valid_ectl(union scsw *scsw); -int scsw_tm_is_valid_pno(union scsw *scsw); -int scsw_tm_is_valid_fctl(union scsw *scsw); -int scsw_tm_is_valid_actl(union scsw *scsw); -int scsw_tm_is_valid_stctl(union scsw *scsw); -int scsw_tm_is_valid_dstat(union scsw *scsw); -int scsw_tm_is_valid_cstat(union scsw *scsw); -int scsw_tm_is_valid_fcxs(union scsw *scsw); -int scsw_tm_is_valid_schxs(union scsw *scsw); -int scsw_tm_is_solicited(union scsw *scsw); - -#define SCSW_FCTL_CLEAR_FUNC 0x1 -#define SCSW_FCTL_HALT_FUNC 0x2 -#define SCSW_FCTL_START_FUNC 0x4 - -#define SCSW_ACTL_SUSPENDED 0x1 -#define SCSW_ACTL_DEVACT 0x2 -#define SCSW_ACTL_SCHACT 0x4 -#define SCSW_ACTL_CLEAR_PEND 0x8 -#define SCSW_ACTL_HALT_PEND 0x10 -#define SCSW_ACTL_START_PEND 0x20 -#define SCSW_ACTL_RESUME_PEND 0x40 - -#define SCSW_STCTL_STATUS_PEND 0x1 -#define SCSW_STCTL_SEC_STATUS 0x2 -#define SCSW_STCTL_PRIM_STATUS 0x4 -#define SCSW_STCTL_INTER_STATUS 0x8 -#define SCSW_STCTL_ALERT_STATUS 0x10 - -#define DEV_STAT_ATTENTION 0x80 -#define DEV_STAT_STAT_MOD 0x40 -#define DEV_STAT_CU_END 0x20 -#define DEV_STAT_BUSY 0x10 -#define DEV_STAT_CHN_END 0x08 -#define DEV_STAT_DEV_END 0x04 -#define DEV_STAT_UNIT_CHECK 0x02 -#define DEV_STAT_UNIT_EXCEP 0x01 - -#define SCHN_STAT_PCI 0x80 -#define SCHN_STAT_INCORR_LEN 0x40 -#define SCHN_STAT_PROG_CHECK 0x20 -#define SCHN_STAT_PROT_CHECK 0x10 -#define SCHN_STAT_CHN_DATA_CHK 0x08 -#define SCHN_STAT_CHN_CTRL_CHK 0x04 -#define SCHN_STAT_INTF_CTRL_CHK 0x02 -#define SCHN_STAT_CHAIN_CHECK 0x01 - -/* - * architectured values for first sense byte - */ -#define SNS0_CMD_REJECT 0x80 -#define SNS_CMD_REJECT SNS0_CMD_REJEC -#define SNS0_INTERVENTION_REQ 0x40 -#define SNS0_BUS_OUT_CHECK 0x20 -#define SNS0_EQUIPMENT_CHECK 0x10 -#define SNS0_DATA_CHECK 0x08 -#define SNS0_OVERRUN 0x04 -#define SNS0_INCOMPL_DOMAIN 0x01 - -/* - * architectured values for second sense byte - */ -#define SNS1_PERM_ERR 0x80 -#define SNS1_INV_TRACK_FORMAT 0x40 -#define SNS1_EOC 0x20 -#define SNS1_MESSAGE_TO_OPER 0x10 -#define SNS1_NO_REC_FOUND 0x08 -#define SNS1_FILE_PROTECTED 0x04 -#define SNS1_WRITE_INHIBITED 0x02 -#define SNS1_INPRECISE_END 0x01 - -/* - * architectured values for third sense byte - */ -#define SNS2_REQ_INH_WRITE 0x80 -#define SNS2_CORRECTABLE 0x40 -#define SNS2_FIRST_LOG_ERR 0x20 -#define SNS2_ENV_DATA_PRESENT 0x10 -#define SNS2_INPRECISE_END 0x04 +#include <asm/scsw.h> /** * struct ccw1 - channel command word diff --git a/drivers/s390/cio/scsw.c b/arch/s390/include/asm/scsw.h index f8da25ab576d..de389cb54d28 100644 --- a/drivers/s390/cio/scsw.c +++ b/arch/s390/include/asm/scsw.h @@ -1,15 +1,182 @@ /* * Helper functions for scsw access. * - * Copyright IBM Corp. 2008 + * 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 <linux/module.h> +#include <asm/chsc.h> #include <asm/cio.h> -#include "css.h" -#include "chsc.h" + +/** + * struct cmd_scsw - command-mode subchannel status word + * @key: subchannel key + * @sctl: suspend control + * @eswf: esw format + * @cc: deferred condition code + * @fmt: format + * @pfch: prefetch + * @isic: initial-status interruption control + * @alcc: address-limit checking control + * @ssi: suppress-suspended interruption + * @zcc: zero condition code + * @ectl: extended control + * @pno: path not operational + * @res: reserved + * @fctl: function control + * @actl: activity control + * @stctl: status control + * @cpa: channel program address + * @dstat: device status + * @cstat: subchannel status + * @count: residual count + */ +struct cmd_scsw { + __u32 key : 4; + __u32 sctl : 1; + __u32 eswf : 1; + __u32 cc : 2; + __u32 fmt : 1; + __u32 pfch : 1; + __u32 isic : 1; + __u32 alcc : 1; + __u32 ssi : 1; + __u32 zcc : 1; + __u32 ectl : 1; + __u32 pno : 1; + __u32 res : 1; + __u32 fctl : 3; + __u32 actl : 7; + __u32 stctl : 5; + __u32 cpa; + __u32 dstat : 8; + __u32 cstat : 8; + __u32 count : 16; +} __attribute__ ((packed)); + +/** + * struct tm_scsw - transport-mode subchannel status word + * @key: subchannel key + * @eswf: esw format + * @cc: deferred condition code + * @fmt: format + * @x: IRB-format control + * @q: interrogate-complete + * @ectl: extended control + * @pno: path not operational + * @fctl: function control + * @actl: activity control + * @stctl: status control + * @tcw: TCW address + * @dstat: device status + * @cstat: subchannel status + * @fcxs: FCX status + * @schxs: subchannel-extended status + */ +struct tm_scsw { + u32 key:4; + u32 :1; + u32 eswf:1; + u32 cc:2; + u32 fmt:3; + u32 x:1; + u32 q:1; + u32 :1; + u32 ectl:1; + u32 pno:1; + u32 :1; + u32 fctl:3; + u32 actl:7; + u32 stctl:5; + u32 tcw; + u32 dstat:8; + u32 cstat:8; + u32 fcxs:8; + u32 schxs:8; +} __attribute__ ((packed)); + +/** + * union scsw - subchannel status word + * @cmd: command-mode SCSW + * @tm: transport-mode SCSW + */ +union scsw { + struct cmd_scsw cmd; + struct tm_scsw tm; +} __attribute__ ((packed)); + +#define SCSW_FCTL_CLEAR_FUNC 0x1 +#define SCSW_FCTL_HALT_FUNC 0x2 +#define SCSW_FCTL_START_FUNC 0x4 + +#define SCSW_ACTL_SUSPENDED 0x1 +#define SCSW_ACTL_DEVACT 0x2 +#define SCSW_ACTL_SCHACT 0x4 +#define SCSW_ACTL_CLEAR_PEND 0x8 +#define SCSW_ACTL_HALT_PEND 0x10 +#define SCSW_ACTL_START_PEND 0x20 +#define SCSW_ACTL_RESUME_PEND 0x40 + +#define SCSW_STCTL_STATUS_PEND 0x1 +#define SCSW_STCTL_SEC_STATUS 0x2 +#define SCSW_STCTL_PRIM_STATUS 0x4 +#define SCSW_STCTL_INTER_STATUS 0x8 +#define SCSW_STCTL_ALERT_STATUS 0x10 + +#define DEV_STAT_ATTENTION 0x80 +#define DEV_STAT_STAT_MOD 0x40 +#define DEV_STAT_CU_END 0x20 +#define DEV_STAT_BUSY 0x10 +#define DEV_STAT_CHN_END 0x08 +#define DEV_STAT_DEV_END 0x04 +#define DEV_STAT_UNIT_CHECK 0x02 +#define DEV_STAT_UNIT_EXCEP 0x01 + +#define SCHN_STAT_PCI 0x80 +#define SCHN_STAT_INCORR_LEN 0x40 +#define SCHN_STAT_PROG_CHECK 0x20 +#define SCHN_STAT_PROT_CHECK 0x10 +#define SCHN_STAT_CHN_DATA_CHK 0x08 +#define SCHN_STAT_CHN_CTRL_CHK 0x04 +#define SCHN_STAT_INTF_CTRL_CHK 0x02 +#define SCHN_STAT_CHAIN_CHECK 0x01 + +/* + * architectured values for first sense byte + */ +#define SNS0_CMD_REJECT 0x80 +#define SNS_CMD_REJECT SNS0_CMD_REJEC +#define SNS0_INTERVENTION_REQ 0x40 +#define SNS0_BUS_OUT_CHECK 0x20 +#define SNS0_EQUIPMENT_CHECK 0x10 +#define SNS0_DATA_CHECK 0x08 +#define SNS0_OVERRUN 0x04 +#define SNS0_INCOMPL_DOMAIN 0x01 + +/* + * architectured values for second sense byte + */ +#define SNS1_PERM_ERR 0x80 +#define SNS1_INV_TRACK_FORMAT 0x40 +#define SNS1_EOC 0x20 +#define SNS1_MESSAGE_TO_OPER 0x10 +#define SNS1_NO_REC_FOUND 0x08 +#define SNS1_FILE_PROTECTED 0x04 +#define SNS1_WRITE_INHIBITED 0x02 +#define SNS1_INPRECISE_END 0x01 + +/* + * architectured values for third sense byte + */ +#define SNS2_REQ_INH_WRITE 0x80 +#define SNS2_CORRECTABLE 0x40 +#define SNS2_FIRST_LOG_ERR 0x20 +#define SNS2_ENV_DATA_PRESENT 0x10 +#define SNS2_INPRECISE_END 0x04 /** * scsw_is_tm - check for transport mode scsw @@ -18,11 +185,10 @@ * Return non-zero if the specified scsw is a transport mode scsw, zero * otherwise. */ -int scsw_is_tm(union scsw *scsw) +static inline int scsw_is_tm(union scsw *scsw) { return css_general_characteristics.fcx && (scsw->tm.x == 1); } -EXPORT_SYMBOL(scsw_is_tm); /** * scsw_key - return scsw key field @@ -31,14 +197,13 @@ EXPORT_SYMBOL(scsw_is_tm); * Return the value of the key field of the specified scsw, regardless of * whether it is a transport mode or command mode scsw. */ -u32 scsw_key(union scsw *scsw) +static inline u32 scsw_key(union scsw *scsw) { if (scsw_is_tm(scsw)) return scsw->tm.key; else return scsw->cmd.key; } -EXPORT_SYMBOL(scsw_key); /** * scsw_eswf - return scsw eswf field @@ -47,14 +212,13 @@ EXPORT_SYMBOL(scsw_key); * Return the value of the eswf field of the specified scsw, regardless of * whether it is a transport mode or command mode scsw. */ -u32 scsw_eswf(union scsw *scsw) +static inline u32 scsw_eswf(union scsw *scsw) { if (scsw_is_tm(scsw)) return scsw->tm.eswf; else return scsw->cmd.eswf; } -EXPORT_SYMBOL(scsw_eswf); /** * scsw_cc - return scsw cc field @@ -63,14 +227,13 @@ EXPORT_SYMBOL(scsw_eswf); * Return the value of the cc field of the specified scsw, regardless of * whether it is a transport mode or command mode scsw. */ -u32 scsw_cc(union scsw *scsw) +static inline u32 scsw_cc(union scsw *scsw) { if (scsw_is_tm(scsw)) return scsw->tm.cc; else return scsw->cmd.cc; } -EXPORT_SYMBOL(scsw_cc); /** * scsw_ectl - return scsw ectl field @@ -79,14 +242,13 @@ EXPORT_SYMBOL(scsw_cc); * Return the value of the ectl field of the specified scsw, regardless of * whether it is a transport mode or command mode scsw. */ -u32 scsw_ectl(union scsw *scsw) +static inline u32 scsw_ectl(union scsw *scsw) { if (scsw_is_tm(scsw)) return scsw->tm.ectl; else return scsw->cmd.ectl; } -EXPORT_SYMBOL(scsw_ectl); /** * scsw_pno - return scsw pno field @@ -95,14 +257,13 @@ EXPORT_SYMBOL(scsw_ectl); * Return the value of the pno field of the specified scsw, regardless of * whether it is a transport mode or command mode scsw. */ -u32 scsw_pno(union scsw *scsw) +static inline u32 scsw_pno(union scsw *scsw) { if (scsw_is_tm(scsw)) return scsw->tm.pno; else return scsw->cmd.pno; } -EXPORT_SYMBOL(scsw_pno); /** * scsw_fctl - return scsw fctl field @@ -111,14 +272,13 @@ EXPORT_SYMBOL(scsw_pno); * Return the value of the fctl field of the specified scsw, regardless of * whether it is a transport mode or command mode scsw. */ -u32 scsw_fctl(union scsw *scsw) +static inline u32 scsw_fctl(union scsw *scsw) { if (scsw_is_tm(scsw)) return scsw->tm.fctl; else return scsw->cmd.fctl; } -EXPORT_SYMBOL(scsw_fctl); /** * scsw_actl - return scsw actl field @@ -127,14 +287,13 @@ EXPORT_SYMBOL(scsw_fctl); * Return the value of the actl field of the specified scsw, regardless of * whether it is a transport mode or command mode scsw. */ -u32 scsw_actl(union scsw *scsw) +static inline u32 scsw_actl(union scsw *scsw) { if (scsw_is_tm(scsw)) return scsw->tm.actl; else return scsw->cmd.actl; } -EXPORT_SYMBOL(scsw_actl); /** * scsw_stctl - return scsw stctl field @@ -143,14 +302,13 @@ EXPORT_SYMBOL(scsw_actl); * Return the value of the stctl field of the specified scsw, regardless of * whether it is a transport mode or command mode scsw. */ -u32 scsw_stctl(union scsw *scsw) +static inline u32 scsw_stctl(union scsw *scsw) { if (scsw_is_tm(scsw)) return scsw->tm.stctl; else return scsw->cmd.stctl; } -EXPORT_SYMBOL(scsw_stctl); /** * scsw_dstat - return scsw dstat field @@ -159,14 +317,13 @@ EXPORT_SYMBOL(scsw_stctl); * Return the value of the dstat field of the specified scsw, regardless of * whether it is a transport mode or command mode scsw. */ -u32 scsw_dstat(union scsw *scsw) +static inline u32 scsw_dstat(union scsw *scsw) { if (scsw_is_tm(scsw)) return scsw->tm.dstat; else return scsw->cmd.dstat; } -EXPORT_SYMBOL(scsw_dstat); /** * scsw_cstat - return scsw cstat field @@ -175,14 +332,13 @@ EXPORT_SYMBOL(scsw_dstat); * Return the value of the cstat field of the specified scsw, regardless of * whether it is a transport mode or command mode scsw. */ -u32 scsw_cstat(union scsw *scsw) +static inline u32 scsw_cstat(union scsw *scsw) { if (scsw_is_tm(scsw)) return scsw->tm.cstat; else return scsw->cmd.cstat; } -EXPORT_SYMBOL(scsw_cstat); /** * scsw_cmd_is_valid_key - check key field validity @@ -191,11 +347,10 @@ EXPORT_SYMBOL(scsw_cstat); * Return non-zero if the key field of the specified command mode scsw is * valid, zero otherwise. */ -int scsw_cmd_is_valid_key(union scsw *scsw) +static inline int scsw_cmd_is_valid_key(union scsw *scsw) { return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC); } -EXPORT_SYMBOL(scsw_cmd_is_valid_key); /** * scsw_cmd_is_valid_sctl - check fctl field validity @@ -204,11 +359,10 @@ EXPORT_SYMBOL(scsw_cmd_is_valid_key); * Return non-zero if the fctl field of the specified command mode scsw is * valid, zero otherwise. */ -int scsw_cmd_is_valid_sctl(union scsw *scsw) +static inline int scsw_cmd_is_valid_sctl(union scsw *scsw) { return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC); } -EXPORT_SYMBOL(scsw_cmd_is_valid_sctl); /** * scsw_cmd_is_valid_eswf - check eswf field validity @@ -217,11 +371,10 @@ EXPORT_SYMBOL(scsw_cmd_is_valid_sctl); * Return non-zero if the eswf field of the specified command mode scsw is * valid, zero otherwise. */ -int scsw_cmd_is_valid_eswf(union scsw *scsw) +static inline int scsw_cmd_is_valid_eswf(union scsw *scsw) { return (scsw->cmd.stctl & SCSW_STCTL_STATUS_PEND); } -EXPORT_SYMBOL(scsw_cmd_is_valid_eswf); /** * scsw_cmd_is_valid_cc - check cc field validity @@ -230,12 +383,11 @@ EXPORT_SYMBOL(scsw_cmd_is_valid_eswf); * Return non-zero if the cc field of the specified command mode scsw is * valid, zero otherwise. */ -int scsw_cmd_is_valid_cc(union scsw *scsw) +static inline int scsw_cmd_is_valid_cc(union scsw *scsw) { return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC) && (scsw->cmd.stctl & SCSW_STCTL_STATUS_PEND); } -EXPORT_SYMBOL(scsw_cmd_is_valid_cc); /** * scsw_cmd_is_valid_fmt - check fmt field validity @@ -244,11 +396,10 @@ EXPORT_SYMBOL(scsw_cmd_is_valid_cc); * Return non-zero if the fmt field of the specified command mode scsw is * valid, zero otherwise. */ -int scsw_cmd_is_valid_fmt(union scsw *scsw) +static inline int scsw_cmd_is_valid_fmt(union scsw *scsw) { return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC); } -EXPORT_SYMBOL(scsw_cmd_is_valid_fmt); /** * scsw_cmd_is_valid_pfch - check pfch field validity @@ -257,11 +408,10 @@ EXPORT_SYMBOL(scsw_cmd_is_valid_fmt); * Return non-zero if the pfch field of the specified command mode scsw is * valid, zero otherwise. */ -int scsw_cmd_is_valid_pfch(union scsw *scsw) +static inline int scsw_cmd_is_valid_pfch(union scsw *scsw) { return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC); } -EXPORT_SYMBOL(scsw_cmd_is_valid_pfch); /** * scsw_cmd_is_valid_isic - check isic field validity @@ -270,11 +420,10 @@ EXPORT_SYMBOL(scsw_cmd_is_valid_pfch); * Return non-zero if the isic field of the specified command mode scsw is * valid, zero otherwise. */ -int scsw_cmd_is_valid_isic(union scsw *scsw) +static inline int scsw_cmd_is_valid_isic(union scsw *scsw) { return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC); } -EXPORT_SYMBOL(scsw_cmd_is_valid_isic); /** * scsw_cmd_is_valid_alcc - check alcc field validity @@ -283,11 +432,10 @@ EXPORT_SYMBOL(scsw_cmd_is_valid_isic); * Return non-zero if the alcc field of the specified command mode scsw is * valid, zero otherwise. */ -int scsw_cmd_is_valid_alcc(union scsw *scsw) +static inline int scsw_cmd_is_valid_alcc(union scsw *scsw) { return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC); } -EXPORT_SYMBOL(scsw_cmd_is_valid_alcc); /** * scsw_cmd_is_valid_ssi - check ssi field validity @@ -296,11 +444,10 @@ EXPORT_SYMBOL(scsw_cmd_is_valid_alcc); * Return non-zero if the ssi field of the specified command mode scsw is * valid, zero otherwise. */ -int scsw_cmd_is_valid_ssi(union scsw *scsw) +static inline int scsw_cmd_is_valid_ssi(union scsw *scsw) { return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC); } -EXPORT_SYMBOL(scsw_cmd_is_valid_ssi); /** * scsw_cmd_is_valid_zcc - check zcc field validity @@ -309,12 +456,11 @@ EXPORT_SYMBOL(scsw_cmd_is_valid_ssi); * Return non-zero if the zcc field of the specified command mode scsw is * valid, zero otherwise. */ -int scsw_cmd_is_valid_zcc(union scsw *scsw) +static inline int scsw_cmd_is_valid_zcc(union scsw *scsw) { return (scsw->cmd.fctl & SCSW_FCTL_START_FUNC) && (scsw->cmd.stctl & SCSW_STCTL_INTER_STATUS); } -EXPORT_SYMBOL(scsw_cmd_is_valid_zcc); /** * scsw_cmd_is_valid_ectl - check ectl field validity @@ -323,13 +469,12 @@ EXPORT_SYMBOL(scsw_cmd_is_valid_zcc); * Return non-zero if the ectl field of the specified command mode scsw is * valid, zero otherwise. */ -int scsw_cmd_is_valid_ectl(union scsw *scsw) +static inline int scsw_cmd_is_valid_ectl(union scsw *scsw) { return (scsw->cmd.stctl & SCSW_STCTL_STATUS_PEND) && !(scsw->cmd.stctl & SCSW_STCTL_INTER_STATUS) && (scsw->cmd.stctl & SCSW_STCTL_ALERT_STATUS); } -EXPORT_SYMBOL(scsw_cmd_is_valid_ectl); /** * scsw_cmd_is_valid_pno - check pno field validity @@ -338,7 +483,7 @@ EXPORT_SYMBOL(scsw_cmd_is_valid_ectl); * Return non-zero if the pno field of the specified command mode scsw is * valid, zero otherwise. */ -int scsw_cmd_is_valid_pno(union scsw *scsw) +static inline int scsw_cmd_is_valid_pno(union scsw *scsw) { return (scsw->cmd.fctl != 0) && (scsw->cmd.stctl & SCSW_STCTL_STATUS_PEND) && @@ -346,7 +491,6 @@ int scsw_cmd_is_valid_pno(union scsw *scsw) ((scsw->cmd.stctl & SCSW_STCTL_INTER_STATUS) && (scsw->cmd.actl & SCSW_ACTL_SUSPENDED))); } -EXPORT_SYMBOL(scsw_cmd_is_valid_pno); /** * scsw_cmd_is_valid_fctl - check fctl field validity @@ -355,12 +499,11 @@ EXPORT_SYMBOL(scsw_cmd_is_valid_pno); * Return non-zero if the fctl field of the specified command mode scsw is * valid, zero otherwise. */ -int scsw_cmd_is_valid_fctl(union scsw *scsw) +static inline int scsw_cmd_is_valid_fctl(union scsw *scsw) { /* Only valid if pmcw.dnv == 1*/ return 1; } -EXPORT_SYMBOL(scsw_cmd_is_valid_fctl); /** * scsw_cmd_is_valid_actl - check actl field validity @@ -369,12 +512,11 @@ EXPORT_SYMBOL(scsw_cmd_is_valid_fctl); * Return non-zero if the actl field of the specified command mode scsw is * valid, zero otherwise. */ -int scsw_cmd_is_valid_actl(union scsw *scsw) +static inline int scsw_cmd_is_valid_actl(union scsw *scsw) { /* Only valid if pmcw.dnv == 1*/ return 1; } -EXPORT_SYMBOL(scsw_cmd_is_valid_actl); /** * scsw_cmd_is_valid_stctl - check stctl field validity @@ -383,12 +525,11 @@ EXPORT_SYMBOL(scsw_cmd_is_valid_actl); * Return non-zero if the stctl field of the specified command mode scsw is * valid, zero otherwise. */ -int scsw_cmd_is_valid_stctl(union scsw *scsw) +static inline int scsw_cmd_is_valid_stctl(union scsw *scsw) { /* Only valid if pmcw.dnv == 1*/ return 1; } -EXPORT_SYMBOL(scsw_cmd_is_valid_stctl); /** * scsw_cmd_is_valid_dstat - check dstat field validity @@ -397,12 +538,11 @@ EXPORT_SYMBOL(scsw_cmd_is_valid_stctl); * Return non-zero if the dstat field of the specified command mode scsw is * valid, zero otherwise. */ -int scsw_cmd_is_valid_dstat(union scsw *scsw) +static inline int scsw_cmd_is_valid_dstat(union scsw *scsw) { return (scsw->cmd.stctl & SCSW_STCTL_STATUS_PEND) && (scsw->cmd.cc != 3); } -EXPORT_SYMBOL(scsw_cmd_is_valid_dstat); /** * scsw_cmd_is_valid_cstat - check cstat field validity @@ -411,12 +551,11 @@ EXPORT_SYMBOL(scsw_cmd_is_valid_dstat); * Return non-zero if the cstat field of the specified command mode scsw is * valid, zero otherwise. */ -int scsw_cmd_is_valid_cstat(union scsw *scsw) +static inline int scsw_cmd_is_valid_cstat(union scsw *scsw) { return (scsw->cmd.stctl & SCSW_STCTL_STATUS_PEND) && (scsw->cmd.cc != 3); } -EXPORT_SYMBOL(scsw_cmd_is_valid_cstat); /** * scsw_tm_is_valid_key - check key field validity @@ -425,11 +564,10 @@ EXPORT_SYMBOL(scsw_cmd_is_valid_cstat); * Return non-zero if the key field of the specified transport mode scsw is * valid, zero otherwise. */ -int scsw_tm_is_valid_key(union scsw *scsw) +static inline int scsw_tm_is_valid_key(union scsw *scsw) { return (scsw->tm.fctl & SCSW_FCTL_START_FUNC); } -EXPORT_SYMBOL(scsw_tm_is_valid_key); /** * scsw_tm_is_valid_eswf - check eswf field validity @@ -438,11 +576,10 @@ EXPORT_SYMBOL(scsw_tm_is_valid_key); * Return non-zero if the eswf field of the specified transport mode scsw is * valid, zero otherwise. */ -int scsw_tm_is_valid_eswf(union scsw *scsw) +static inline int scsw_tm_is_valid_eswf(union scsw *scsw) { return (scsw->tm.stctl & SCSW_STCTL_STATUS_PEND); } -EXPORT_SYMBOL(scsw_tm_is_valid_eswf); /** * scsw_tm_is_valid_cc - check cc field validity @@ -451,12 +588,11 @@ EXPORT_SYMBOL(scsw_tm_is_valid_eswf); * Return non-zero if the cc field of the specified transport mode scsw is * valid, zero otherwise. */ -int scsw_tm_is_valid_cc(union scsw *scsw) +static inline int scsw_tm_is_valid_cc(union scsw *scsw) { return (scsw->tm.fctl & SCSW_FCTL_START_FUNC) && (scsw->tm.stctl & SCSW_STCTL_STATUS_PEND); } -EXPORT_SYMBOL(scsw_tm_is_valid_cc); /** * scsw_tm_is_valid_fmt - check fmt field validity @@ -465,11 +601,10 @@ EXPORT_SYMBOL(scsw_tm_is_valid_cc); * Return non-zero if the fmt field of the specified transport mode scsw is * valid, zero otherwise. */ -int scsw_tm_is_valid_fmt(union scsw *scsw) +static inline int scsw_tm_is_valid_fmt(union scsw *scsw) { return 1; } -EXPORT_SYMBOL(scsw_tm_is_valid_fmt); /** * scsw_tm_is_valid_x - check x field validity @@ -478,11 +613,10 @@ EXPORT_SYMBOL(scsw_tm_is_valid_fmt); * Return non-zero if the x field of the specified transport mode scsw is * valid, zero otherwise. */ -int scsw_tm_is_valid_x(union scsw *scsw) +static inline int scsw_tm_is_valid_x(union scsw *scsw) { return 1; } -EXPORT_SYMBOL(scsw_tm_is_valid_x); /** * scsw_tm_is_valid_q - check q field validity @@ -491,11 +625,10 @@ EXPORT_SYMBOL(scsw_tm_is_valid_x); * Return non-zero if the q field of the specified transport mode scsw is * valid, zero otherwise. */ -int scsw_tm_is_valid_q(union scsw *scsw) +static inline int scsw_tm_is_valid_q(union scsw *scsw) { return 1; } -EXPORT_SYMBOL(scsw_tm_is_valid_q); /** * scsw_tm_is_valid_ectl - check ectl field validity @@ -504,13 +637,12 @@ EXPORT_SYMBOL(scsw_tm_is_valid_q); * Return non-zero if the ectl field of the specified transport mode scsw is * valid, zero otherwise. */ -int scsw_tm_is_valid_ectl(union scsw *scsw) +static inline int scsw_tm_is_valid_ectl(union scsw *scsw) { return (scsw->tm.stctl & SCSW_STCTL_STATUS_PEND) && !(scsw->tm.stctl & SCSW_STCTL_INTER_STATUS) && (scsw->tm.stctl & SCSW_STCTL_ALERT_STATUS); } -EXPORT_SYMBOL(scsw_tm_is_valid_ectl); /** * scsw_tm_is_valid_pno - check pno field validity @@ -519,7 +651,7 @@ EXPORT_SYMBOL(scsw_tm_is_valid_ectl); * Return non-zero if the pno field of the specified transport mode scsw is * valid, zero otherwise. */ -int scsw_tm_is_valid_pno(union scsw *scsw) +static inline int scsw_tm_is_valid_pno(union scsw *scsw) { return (scsw->tm.fctl != 0) && (scsw->tm.stctl & SCSW_STCTL_STATUS_PEND) && @@ -527,7 +659,6 @@ int scsw_tm_is_valid_pno(union scsw *scsw) ((scsw->tm.stctl & SCSW_STCTL_INTER_STATUS) && (scsw->tm.actl & SCSW_ACTL_SUSPENDED))); } -EXPORT_SYMBOL(scsw_tm_is_valid_pno); /** * scsw_tm_is_valid_fctl - check fctl field validity @@ -536,12 +667,11 @@ EXPORT_SYMBOL(scsw_tm_is_valid_pno); * Return non-zero if the fctl field of the specified transport mode scsw is * valid, zero otherwise. */ -int scsw_tm_is_valid_fctl(union scsw *scsw) +static inline int scsw_tm_is_valid_fctl(union scsw *scsw) { /* Only valid if pmcw.dnv == 1*/ return 1; } -EXPORT_SYMBOL(scsw_tm_is_valid_fctl); /** * scsw_tm_is_valid_actl - check actl field validity @@ -550,12 +680,11 @@ EXPORT_SYMBOL(scsw_tm_is_valid_fctl); * Return non-zero if the actl field of the specified transport mode scsw is * valid, zero otherwise. */ -int scsw_tm_is_valid_actl(union scsw *scsw) +static inline int scsw_tm_is_valid_actl(union scsw *scsw) { /* Only valid if pmcw.dnv == 1*/ return 1; } -EXPORT_SYMBOL(scsw_tm_is_valid_actl); /** * scsw_tm_is_valid_stctl - check stctl field validity @@ -564,12 +693,11 @@ EXPORT_SYMBOL(scsw_tm_is_valid_actl); * Return non-zero if the stctl field of the specified transport mode scsw is * valid, zero otherwise. */ -int scsw_tm_is_valid_stctl(union scsw *scsw) +static inline int scsw_tm_is_valid_stctl(union scsw *scsw) { /* Only valid if pmcw.dnv == 1*/ return 1; } -EXPORT_SYMBOL(scsw_tm_is_valid_stctl); /** * scsw_tm_is_valid_dstat - check dstat field validity @@ -578,12 +706,11 @@ EXPORT_SYMBOL(scsw_tm_is_valid_stctl); * Return non-zero if the dstat field of the specified transport mode scsw is * valid, zero otherwise. */ -int scsw_tm_is_valid_dstat(union scsw *scsw) +static inline int scsw_tm_is_valid_dstat(union scsw *scsw) { return (scsw->tm.stctl & SCSW_STCTL_STATUS_PEND) && (scsw->tm.cc != 3); } -EXPORT_SYMBOL(scsw_tm_is_valid_dstat); /** * scsw_tm_is_valid_cstat - check cstat field validity @@ -592,12 +719,11 @@ EXPORT_SYMBOL(scsw_tm_is_valid_dstat); * Return non-zero if the cstat field of the specified transport mode scsw is * valid, zero otherwise. */ -int scsw_tm_is_valid_cstat(union scsw *scsw) +static inline int scsw_tm_is_valid_cstat(union scsw *scsw) { return (scsw->tm.stctl & SCSW_STCTL_STATUS_PEND) && (scsw->tm.cc != 3); } -EXPORT_SYMBOL(scsw_tm_is_valid_cstat); /** * scsw_tm_is_valid_fcxs - check fcxs field validity @@ -606,11 +732,10 @@ EXPORT_SYMBOL(scsw_tm_is_valid_cstat); * Return non-zero if the fcxs field of the specified transport mode scsw is * valid, zero otherwise. */ -int scsw_tm_is_valid_fcxs(union scsw *scsw) +static inline int scsw_tm_is_valid_fcxs(union scsw *scsw) { return 1; } -EXPORT_SYMBOL(scsw_tm_is_valid_fcxs); /** * scsw_tm_is_valid_schxs - check schxs field validity @@ -619,14 +744,13 @@ EXPORT_SYMBOL(scsw_tm_is_valid_fcxs); * Return non-zero if the schxs field of the specified transport mode scsw is * valid, zero otherwise. */ -int scsw_tm_is_valid_schxs(union scsw *scsw) +static inline int scsw_tm_is_valid_schxs(union scsw *scsw) { return (scsw->tm.cstat & (SCHN_STAT_PROG_CHECK | SCHN_STAT_INTF_CTRL_CHK | SCHN_STAT_PROT_CHECK | SCHN_STAT_CHN_DATA_CHK)); } -EXPORT_SYMBOL(scsw_tm_is_valid_schxs); /** * scsw_is_valid_actl - check actl field validity @@ -636,14 +760,13 @@ EXPORT_SYMBOL(scsw_tm_is_valid_schxs); * regardless of whether it is a transport mode or command mode scsw. * Return zero if the field does not contain a valid value. */ -int scsw_is_valid_actl(union scsw *scsw) +static inline int scsw_is_valid_actl(union scsw *scsw) { if (scsw_is_tm(scsw)) return scsw_tm_is_valid_actl(scsw); else return scsw_cmd_is_valid_actl(scsw); } -EXPORT_SYMBOL(scsw_is_valid_actl); /** * scsw_is_valid_cc - check cc field validity @@ -653,14 +776,13 @@ EXPORT_SYMBOL(scsw_is_valid_actl); * regardless of whether it is a transport mode or command mode scsw. * Return zero if the field does not contain a valid value. */ -int scsw_is_valid_cc(union scsw *scsw) +static inline int scsw_is_valid_cc(union scsw *scsw) { if (scsw_is_tm(scsw)) return scsw_tm_is_valid_cc(scsw); else return scsw_cmd_is_valid_cc(scsw); } -EXPORT_SYMBOL(scsw_is_valid_cc); /** * scsw_is_valid_cstat - check cstat field validity @@ -670,14 +792,13 @@ EXPORT_SYMBOL(scsw_is_valid_cc); * regardless of whether it is a transport mode or command mode scsw. * Return zero if the field does not contain a valid value. */ -int scsw_is_valid_cstat(union scsw *scsw) +static inline int scsw_is_valid_cstat(union scsw *scsw) { if (scsw_is_tm(scsw)) return scsw_tm_is_valid_cstat(scsw); else return scsw_cmd_is_valid_cstat(scsw); } -EXPORT_SYMBOL(scsw_is_valid_cstat); /** * scsw_is_valid_dstat - check dstat field validity @@ -687,14 +808,13 @@ EXPORT_SYMBOL(scsw_is_valid_cstat); * regardless of whether it is a transport mode or command mode scsw. * Return zero if the field does not contain a valid value. */ -int scsw_is_valid_dstat(union scsw *scsw) +static inline int scsw_is_valid_dstat(union scsw *scsw) { if (scsw_is_tm(scsw)) return scsw_tm_is_valid_dstat(scsw); else return scsw_cmd_is_valid_dstat(scsw); } -EXPORT_SYMBOL(scsw_is_valid_dstat); /** * scsw_is_valid_ectl - check ectl field validity @@ -704,14 +824,13 @@ EXPORT_SYMBOL(scsw_is_valid_dstat); * regardless of whether it is a transport mode or command mode scsw. * Return zero if the field does not contain a valid value. */ -int scsw_is_valid_ectl(union scsw *scsw) +static inline int scsw_is_valid_ectl(union scsw *scsw) { if (scsw_is_tm(scsw)) return scsw_tm_is_valid_ectl(scsw); else return scsw_cmd_is_valid_ectl(scsw); } -EXPORT_SYMBOL(scsw_is_valid_ectl); /** * scsw_is_valid_eswf - check eswf field validity @@ -721,14 +840,13 @@ EXPORT_SYMBOL(scsw_is_valid_ectl); * regardless of whether it is a transport mode or command mode scsw. * Return zero if the field does not contain a valid value. */ -int scsw_is_valid_eswf(union scsw *scsw) +static inline int scsw_is_valid_eswf(union scsw *scsw) { if (scsw_is_tm(scsw)) return scsw_tm_is_valid_eswf(scsw); else return scsw_cmd_is_valid_eswf(scsw); } -EXPORT_SYMBOL(scsw_is_valid_eswf); /** * scsw_is_valid_fctl - check fctl field validity @@ -738,14 +856,13 @@ EXPORT_SYMBOL(scsw_is_valid_eswf); * regardless of whether it is a transport mode or command mode scsw. * Return zero if the field does not contain a valid value. */ -int scsw_is_valid_fctl(union scsw *scsw) +static inline int scsw_is_valid_fctl(union scsw *scsw) { if (scsw_is_tm(scsw)) return scsw_tm_is_valid_fctl(scsw); else return scsw_cmd_is_valid_fctl(scsw); } -EXPORT_SYMBOL(scsw_is_valid_fctl); /** * scsw_is_valid_key - check key field validity @@ -755,14 +872,13 @@ EXPORT_SYMBOL(scsw_is_valid_fctl); * regardless of whether it is a transport mode or command mode scsw. * Return zero if the field does not contain a valid value. */ -int scsw_is_valid_key(union scsw *scsw) +static inline int scsw_is_valid_key(union scsw *scsw) { if (scsw_is_tm(scsw)) return scsw_tm_is_valid_key(scsw); else return scsw_cmd_is_valid_key(scsw); } -EXPORT_SYMBOL(scsw_is_valid_key); /** * scsw_is_valid_pno - check pno field validity @@ -772,14 +888,13 @@ EXPORT_SYMBOL(scsw_is_valid_key); * regardless of whether it is a transport mode or command mode scsw. * Return zero if the field does not contain a valid value. */ -int scsw_is_valid_pno(union scsw *scsw) +static inline int scsw_is_valid_pno(union scsw *scsw) { if (scsw_is_tm(scsw)) return scsw_tm_is_valid_pno(scsw); else return scsw_cmd_is_valid_pno(scsw); } -EXPORT_SYMBOL(scsw_is_valid_pno); /** * scsw_is_valid_stctl - check stctl field validity @@ -789,14 +904,13 @@ EXPORT_SYMBOL(scsw_is_valid_pno); * regardless of whether it is a transport mode or command mode scsw. * Return zero if the field does not contain a valid value. */ -int scsw_is_valid_stctl(union scsw *scsw) +static inline int scsw_is_valid_stctl(union scsw *scsw) { if (scsw_is_tm(scsw)) return scsw_tm_is_valid_stctl(scsw); else return scsw_cmd_is_valid_stctl(scsw); } -EXPORT_SYMBOL(scsw_is_valid_stctl); /** * scsw_cmd_is_solicited - check for solicited scsw @@ -805,12 +919,11 @@ EXPORT_SYMBOL(scsw_is_valid_stctl); * Return non-zero if the command mode scsw indicates that the associated * status condition is solicited, zero if it is unsolicited. */ -int scsw_cmd_is_solicited(union scsw *scsw) +static inline int scsw_cmd_is_solicited(union scsw *scsw) { return (scsw->cmd.cc != 0) || (scsw->cmd.stctl != (SCSW_STCTL_STATUS_PEND | SCSW_STCTL_ALERT_STATUS)); } -EXPORT_SYMBOL(scsw_cmd_is_solicited); /** * scsw_tm_is_solicited - check for solicited scsw @@ -819,12 +932,11 @@ EXPORT_SYMBOL(scsw_cmd_is_solicited); * Return non-zero if the transport mode scsw indicates that the associated * status condition is solicited, zero if it is unsolicited. */ -int scsw_tm_is_solicited(union scsw *scsw) +static inline int scsw_tm_is_solicited(union scsw *scsw) { return (scsw->tm.cc != 0) || (scsw->tm.stctl != (SCSW_STCTL_STATUS_PEND | SCSW_STCTL_ALERT_STATUS)); } -EXPORT_SYMBOL(scsw_tm_is_solicited); /** * scsw_is_solicited - check for solicited scsw @@ -833,11 +945,12 @@ EXPORT_SYMBOL(scsw_tm_is_solicited); * Return non-zero if the transport or command mode scsw indicates that the * associated status condition is solicited, zero if it is unsolicited. */ -int scsw_is_solicited(union scsw *scsw) +static inline int scsw_is_solicited(union scsw *scsw) { if (scsw_is_tm(scsw)) return scsw_tm_is_solicited(scsw); else return scsw_cmd_is_solicited(scsw); } -EXPORT_SYMBOL(scsw_is_solicited); + +#endif /* _ASM_S390_SCSW_H_ */ diff --git a/arch/s390/include/asm/timex.h b/arch/s390/include/asm/timex.h index cc21e3e20fd7..e4e7552d8151 100644 --- a/arch/s390/include/asm/timex.h +++ b/arch/s390/include/asm/timex.h @@ -88,6 +88,20 @@ int get_sync_clock(unsigned long long *clock); void init_cpu_timer(void); unsigned long long monotonic_clock(void); -extern u64 sched_clock_base_cc; +extern u64 sched_clock_base; + +/** + * get_clock_monotonic - returns current time in clock rate units + * + * The caller must ensure that preemption is disabled. + * The clock and sched_clock_base get changed via stop_machine. + * Therefore preemption must be disabled when calling this + * function, otherwise the returned value is not guaranteed to + * be monotonic. + */ +static inline unsigned long long get_clock_monotonic(void) +{ + return get_clock_xt() - sched_clock_base; +} #endif diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c index f9b144049dc9..4088aecdd894 100644 --- a/arch/s390/kernel/early.c +++ b/arch/s390/kernel/early.c @@ -52,7 +52,7 @@ static void __init reset_tod_clock(void) if (set_clock(TOD_UNIX_EPOCH) != 0 || store_clock(&time) != 0) disabled_wait(0); - sched_clock_base_cc = TOD_UNIX_EPOCH; + sched_clock_base = TOD_UNIX_EPOCH; } #ifdef CONFIG_SHARED_KERNEL diff --git a/arch/s390/kernel/head.S b/arch/s390/kernel/head.S index ec6882348520..d5e6ee3b2c4f 100644 --- a/arch/s390/kernel/head.S +++ b/arch/s390/kernel/head.S @@ -535,7 +535,7 @@ startup:basr %r13,0 # get base b 0(%r13) .align 4 4: .long startup_continue -5: .long sched_clock_base_cc +5: .long sched_clock_base .align 8 6: .long 0x7fffffff,0xffffffff diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c index d4c8e9c47c81..6f0d86fb2aaa 100644 --- a/arch/s390/kernel/time.c +++ b/arch/s390/kernel/time.c @@ -59,7 +59,8 @@ #define TICK_SIZE tick -u64 sched_clock_base_cc = -1; /* Force to data section. */ +u64 sched_clock_base = -1; /* Force to data section. */ +EXPORT_SYMBOL(sched_clock_base); static DEFINE_PER_CPU(struct clock_event_device, comparators); @@ -68,7 +69,7 @@ static DEFINE_PER_CPU(struct clock_event_device, comparators); */ unsigned long long notrace sched_clock(void) { - return ((get_clock_xt() - sched_clock_base_cc) * 125) >> 9; + return (get_clock_monotonic() * 125) >> 9; } /* @@ -277,7 +278,7 @@ void __init time_init(void) tod_to_timeval(now - TOD_UNIX_EPOCH, &xtime); clocksource_tod.cycle_last = now; clocksource_tod.raw_time = xtime; - tod_to_timeval(sched_clock_base_cc - TOD_UNIX_EPOCH, &ts); + tod_to_timeval(sched_clock_base - TOD_UNIX_EPOCH, &ts); set_normalized_timespec(&wall_to_monotonic, -ts.tv_sec, -ts.tv_nsec); write_sequnlock_irqrestore(&xtime_lock, flags); @@ -315,7 +316,7 @@ static unsigned long long adjust_time(unsigned long long old, delta = -delta; adjust.offset = -ticks * (1000000 / HZ); } - sched_clock_base_cc += delta; + sched_clock_base += delta; if (adjust.offset != 0) { pr_notice("The ETR interface has adjusted the clock " "by %li microseconds\n", adjust.offset); diff --git a/arch/s390/lib/delay.c b/arch/s390/lib/delay.c index 3f5f680726ed..97c1eca83cc2 100644 --- a/arch/s390/lib/delay.c +++ b/arch/s390/lib/delay.c @@ -36,9 +36,11 @@ static void __udelay_disabled(unsigned long usecs) cr0 = (cr0_saved & 0xffff00e0) | 0x00000800; __ctl_load(cr0 , 0, 0); mask = psw_kernel_bits | PSW_MASK_WAIT | PSW_MASK_EXT; + lockdep_off(); trace_hardirqs_on(); __load_psw_mask(mask); local_irq_disable(); + lockdep_on(); __ctl_load(cr0_saved, 0, 0); local_tick_enable(clock_saved); set_clock_comparator(S390_lowcore.clock_comparator); diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c index f8b1f04f26b8..447af034ac06 100644 --- a/drivers/s390/block/dasd_eckd.c +++ b/drivers/s390/block/dasd_eckd.c @@ -1696,8 +1696,7 @@ static void dasd_eckd_handle_unsolicited_interrupt(struct dasd_device *device, DBF_DEV_EVENT(DBF_ERR, device, "%s", "unsolicited interrupt received " "(sense available)"); - device->discipline->dump_sense_dbf(device, NULL, irb, - "unsolicited"); + device->discipline->dump_sense_dbf(device, irb, "unsolicited"); } dasd_schedule_device_bh(device); @@ -2945,38 +2944,16 @@ dasd_eckd_dump_sense_dbf(struct dasd_device *device, struct dasd_ccw_req *req, struct irb *irb, char *reason) { u64 *sense; - int sl; - struct tsb *tsb; - sense = NULL; - tsb = NULL; - if (req && scsw_is_tm(&req->irb.scsw)) { - if (irb->scsw.tm.tcw) - tsb = tcw_get_tsb( - (struct tcw *)(unsigned long)irb->scsw.tm.tcw); - if (tsb && (irb->scsw.tm.fcxs == 0x01)) { - switch (tsb->flags & 0x07) { - case 1: /* tsa_iostat */ - sense = (u64 *)tsb->tsa.iostat.sense; - break; - case 2: /* ts_ddpc */ - sense = (u64 *)tsb->tsa.ddpc.sense; - break; - case 3: /* tsa_intrg */ - break; - } - } - } else { - if (irb->esw.esw0.erw.cons) - sense = (u64 *)irb->ecw; - } + sense = (u64 *) dasd_get_sense(irb); if (sense) { - for (sl = 0; sl < 4; sl++) { - DBF_DEV_EVENT(DBF_EMERG, device, - "%s: %016llx %016llx %016llx %016llx", - reason, sense[0], sense[1], sense[2], - sense[3]); - } + DBF_DEV_EVENT(DBF_EMERG, device, + "%s: %s %02x%02x%02x %016llx %016llx %016llx " + "%016llx", reason, + scsw_is_tm(&irb->scsw) ? "t" : "c", + scsw_cc(&irb->scsw), scsw_cstat(&irb->scsw), + scsw_dstat(&irb->scsw), sense[0], sense[1], + sense[2], sense[3]); } else { DBF_DEV_EVENT(DBF_EMERG, device, "%s", "SORRY - NO VALID SENSE AVAILABLE\n"); diff --git a/drivers/s390/block/dasd_erp.c b/drivers/s390/block/dasd_erp.c index d970ce2814be..cb8f9cef7429 100644 --- a/drivers/s390/block/dasd_erp.c +++ b/drivers/s390/block/dasd_erp.c @@ -172,7 +172,7 @@ dasd_log_sense_dbf(struct dasd_ccw_req *cqr, struct irb *irb) device = cqr->startdev; /* dump sense data to s390 debugfeature*/ if (device->discipline && device->discipline->dump_sense_dbf) - device->discipline->dump_sense_dbf(device, cqr, irb, "log"); + device->discipline->dump_sense_dbf(device, irb, "log"); } EXPORT_SYMBOL(dasd_log_sense_dbf); diff --git a/drivers/s390/block/dasd_fba.c b/drivers/s390/block/dasd_fba.c index e21ee735f926..9037d108ca2c 100644 --- a/drivers/s390/block/dasd_fba.c +++ b/drivers/s390/block/dasd_fba.c @@ -241,7 +241,7 @@ static void dasd_fba_handle_unsolicited_interrupt(struct dasd_device *device, /* check for unsolicited interrupts */ DBF_DEV_EVENT(DBF_WARNING, device, "%s", "unsolicited interrupt received"); - device->discipline->dump_sense_dbf(device, NULL, irb, "unsolicited"); + device->discipline->dump_sense_dbf(device, irb, "unsolicited"); dasd_schedule_device_bh(device); return; }; @@ -447,14 +447,17 @@ static void dasd_fba_dump_sense_dbf(struct dasd_device *device, struct dasd_ccw_req *req, struct irb *irb, char *reason) { - int sl; - if (irb->esw.esw0.erw.cons) { - for (sl = 0; sl < 4; sl++) { - DBF_DEV_EVENT(DBF_EMERG, device, - "%s: %08x %08x %08x %08x", - reason, irb->ecw[8 * 0], irb->ecw[8 * 1], - irb->ecw[8 * 2], irb->ecw[8 * 3]); - } + u64 *sense; + + sense = (u64 *) dasd_get_sense(irb); + if (sense) { + DBF_DEV_EVENT(DBF_EMERG, device, + "%s: %s %02x%02x%02x %016llx %016llx %016llx " + "%016llx", reason, + scsw_is_tm(&irb->scsw) ? "t" : "c", + scsw_cc(&irb->scsw), scsw_cstat(&irb->scsw), + scsw_dstat(&irb->scsw), sense[0], sense[1], + sense[2], sense[3]); } else { DBF_DEV_EVENT(DBF_EMERG, device, "%s", "SORRY - NO VALID SENSE AVAILABLE\n"); diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h index fd63b2f2bda9..b699ca356ac5 100644 --- a/drivers/s390/block/dasd_int.h +++ b/drivers/s390/block/dasd_int.h @@ -284,8 +284,7 @@ struct dasd_discipline { dasd_erp_fn_t(*erp_postaction) (struct dasd_ccw_req *); void (*dump_sense) (struct dasd_device *, struct dasd_ccw_req *, struct irb *); - void (*dump_sense_dbf) (struct dasd_device *, struct dasd_ccw_req *, - struct irb *, char *); + void (*dump_sense_dbf) (struct dasd_device *, struct irb *, char *); void (*handle_unsolicited_interrupt) (struct dasd_device *, struct irb *); diff --git a/drivers/s390/char/monreader.c b/drivers/s390/char/monreader.c index 7892550d7932..3234e90bd7f9 100644 --- a/drivers/s390/char/monreader.c +++ b/drivers/s390/char/monreader.c @@ -320,7 +320,7 @@ static int mon_open(struct inode *inode, struct file *filp) goto out_path; } filp->private_data = monpriv; - dev_set_drvdata(&monreader_device, monpriv); + dev_set_drvdata(monreader_device, monpriv); unlock_kernel(); return nonseekable_open(inode, filp); @@ -463,7 +463,7 @@ static struct miscdevice mon_dev = { *****************************************************************************/ static int monreader_freeze(struct device *dev) { - struct mon_private *monpriv = dev_get_drvdata(&dev); + struct mon_private *monpriv = dev_get_drvdata(dev); int rc; if (!monpriv) diff --git a/drivers/s390/char/sclp_rw.h b/drivers/s390/char/sclp_rw.h index 85f491ea929c..7a7bfc947d97 100644 --- a/drivers/s390/char/sclp_rw.h +++ b/drivers/s390/char/sclp_rw.h @@ -92,5 +92,10 @@ void sclp_set_columns(struct sclp_buffer *, unsigned short); void sclp_set_htab(struct sclp_buffer *, unsigned short); int sclp_chars_in_buffer(struct sclp_buffer *); +#ifdef CONFIG_SCLP_CONSOLE void sclp_console_pm_event(enum sclp_pm_event sclp_pm_event); +#else +static inline void sclp_console_pm_event(enum sclp_pm_event sclp_pm_event) { } +#endif + #endif /* __SCLP_RW_H__ */ diff --git a/drivers/s390/cio/Makefile b/drivers/s390/cio/Makefile index adb3dd301528..fa4c9662f65e 100644 --- a/drivers/s390/cio/Makefile +++ b/drivers/s390/cio/Makefile @@ -2,7 +2,7 @@ # Makefile for the S/390 common i/o drivers # -obj-y += airq.o blacklist.o chsc.o cio.o css.o chp.o idset.o isc.o scsw.o \ +obj-y += airq.o blacklist.o chsc.o cio.o css.o chp.o idset.o isc.o \ fcx.o itcw.o crw.o ccw_device-objs += device.o device_fsm.o device_ops.o ccw_device-objs += device_id.o device_pgid.o device_status.o diff --git a/drivers/s390/cio/chsc.h b/drivers/s390/cio/chsc.h index 425e8f89a6c5..37aa611d4ac5 100644 --- a/drivers/s390/cio/chsc.h +++ b/drivers/s390/cio/chsc.h @@ -37,29 +37,6 @@ struct channel_path_desc { struct channel_path; -struct css_general_char { - u64 : 12; - u32 dynio : 1; /* bit 12 */ - u32 : 28; - u32 aif : 1; /* bit 41 */ - u32 : 3; - u32 mcss : 1; /* bit 45 */ - u32 fcs : 1; /* bit 46 */ - u32 : 1; - u32 ext_mb : 1; /* bit 48 */ - u32 : 7; - u32 aif_tdd : 1; /* bit 56 */ - u32 : 1; - u32 qebsm : 1; /* bit 58 */ - u32 : 8; - u32 aif_osa : 1; /* bit 67 */ - u32 : 14; - u32 cib : 1; /* bit 82 */ - u32 : 5; - u32 fcx : 1; /* bit 88 */ - u32 : 7; -}__attribute__((packed)); - struct css_chsc_char { u64 res; u64 : 20; @@ -72,7 +49,6 @@ struct css_chsc_char { u32 : 19; }__attribute__((packed)); -extern struct css_general_char css_general_characteristics; extern struct css_chsc_char css_chsc_characteristics; struct chsc_ssd_info { |