diff options
Diffstat (limited to 'drivers/s390/cio/cio.h')
| -rw-r--r-- | drivers/s390/cio/cio.h | 89 |
1 files changed, 33 insertions, 56 deletions
diff --git a/drivers/s390/cio/cio.h b/drivers/s390/cio/cio.h index 7446c39951a7..52afa4c784de 100644 --- a/drivers/s390/cio/cio.h +++ b/drivers/s390/cio/cio.h @@ -11,32 +11,32 @@ * path management control word */ struct pmcw { - __u32 intparm; /* interruption parameter */ - __u32 qf : 1; /* qdio facility */ - __u32 res0 : 1; /* reserved zeros */ - __u32 isc : 3; /* interruption sublass */ - __u32 res5 : 3; /* reserved zeros */ - __u32 ena : 1; /* enabled */ - __u32 lm : 2; /* limit mode */ - __u32 mme : 2; /* measurement-mode enable */ - __u32 mp : 1; /* multipath mode */ - __u32 tf : 1; /* timing facility */ - __u32 dnv : 1; /* device number valid */ - __u32 dev : 16; /* device number */ - __u8 lpm; /* logical path mask */ - __u8 pnom; /* path not operational mask */ - __u8 lpum; /* last path used mask */ - __u8 pim; /* path installed mask */ - __u16 mbi; /* measurement-block index */ - __u8 pom; /* path operational mask */ - __u8 pam; /* path available mask */ - __u8 chpid[8]; /* CHPID 0-7 (if available) */ - __u32 unused1 : 8; /* reserved zeros */ - __u32 st : 3; /* subchannel type */ - __u32 unused2 : 18; /* reserved zeros */ - __u32 mbfc : 1; /* measurement block format control */ - __u32 xmwme : 1; /* extended measurement word mode enable */ - __u32 csense : 1; /* concurrent sense; can be enabled ...*/ + u32 intparm; /* interruption parameter */ + u32 qf : 1; /* qdio facility */ + u32 res0 : 1; /* reserved zeros */ + u32 isc : 3; /* interruption sublass */ + u32 res5 : 3; /* reserved zeros */ + u32 ena : 1; /* enabled */ + u32 lm : 2; /* limit mode */ + u32 mme : 2; /* measurement-mode enable */ + u32 mp : 1; /* multipath mode */ + u32 tf : 1; /* timing facility */ + u32 dnv : 1; /* device number valid */ + u32 dev : 16; /* device number */ + u8 lpm; /* logical path mask */ + u8 pnom; /* path not operational mask */ + u8 lpum; /* last path used mask */ + u8 pim; /* path installed mask */ + u16 mbi; /* measurement-block index */ + u8 pom; /* path operational mask */ + u8 pam; /* path available mask */ + u8 chpid[8]; /* CHPID 0-7 (if available) */ + u32 unused1 : 8; /* reserved zeros */ + u32 st : 3; /* subchannel type */ + u32 unused2 : 18; /* reserved zeros */ + u32 mbfc : 1; /* measurement block format control */ + u32 xmwme : 1; /* extended measurement word mode enable */ + u32 csense : 1; /* concurrent sense; can be enabled ...*/ /* ... per MSCH, however, if facility */ /* ... is not installed, this results */ /* ... in an operand exception. */ @@ -52,31 +52,6 @@ struct schib { __u8 mda[4]; /* model dependent area */ } __attribute__ ((packed,aligned(4))); -/* - * operation request block - */ -struct orb { - __u32 intparm; /* interruption parameter */ - __u32 key : 4; /* flags, like key, suspend control, etc. */ - __u32 spnd : 1; /* suspend control */ - __u32 res1 : 1; /* reserved */ - __u32 mod : 1; /* modification control */ - __u32 sync : 1; /* synchronize control */ - __u32 fmt : 1; /* format control */ - __u32 pfch : 1; /* prefetch control */ - __u32 isic : 1; /* initial-status-interruption control */ - __u32 alcc : 1; /* address-limit-checking control */ - __u32 ssic : 1; /* suppress-suspended-interr. control */ - __u32 res2 : 1; /* reserved */ - __u32 c64 : 1; /* IDAW/QDIO 64 bit control */ - __u32 i2k : 1; /* IDAW 2/4kB block size control */ - __u32 lpm : 8; /* logical path mask */ - __u32 ils : 1; /* incorrect length */ - __u32 zero : 6; /* reserved zeros */ - __u32 orbx : 1; /* ORB extension control */ - __u32 cpa; /* channel program address */ -} __attribute__ ((packed,aligned(4))); - /* subchannel data structure used by I/O subroutines */ struct subchannel { struct subchannel_id schid; @@ -85,7 +60,7 @@ struct subchannel { enum { SUBCHANNEL_TYPE_IO = 0, SUBCHANNEL_TYPE_CHSC = 1, - SUBCHANNEL_TYPE_MESSAGE = 2, + SUBCHANNEL_TYPE_MSG = 2, SUBCHANNEL_TYPE_ADM = 3, } st; /* subchannel type */ @@ -99,11 +74,10 @@ struct subchannel { __u8 lpm; /* logical path mask */ __u8 opm; /* operational path mask */ struct schib schib; /* subchannel information block */ - struct orb orb; /* operation request block */ - struct ccw1 sense_ccw; /* static ccw for sense command */ struct chsc_ssd_info ssd_info; /* subchannel description */ struct device dev; /* entry in device tree */ struct css_driver *driver; + void *private; /* private per subchannel type data */ } __attribute__ ((aligned(8))); #define IO_INTERRUPT_TYPE 0 /* I/O interrupt type */ @@ -111,7 +85,7 @@ struct subchannel { #define to_subchannel(n) container_of(n, struct subchannel, dev) extern int cio_validate_subchannel (struct subchannel *, struct subchannel_id); -extern int cio_enable_subchannel (struct subchannel *, unsigned int); +extern int cio_enable_subchannel(struct subchannel *, unsigned int, u32); extern int cio_disable_subchannel (struct subchannel *); extern int cio_cancel (struct subchannel *); extern int cio_clear (struct subchannel *); @@ -125,6 +99,7 @@ extern int cio_get_options (struct subchannel *); extern int cio_modify (struct subchannel *); int cio_create_sch_lock(struct subchannel *); +void do_adapter_IO(void); /* Use with care. */ #ifdef CONFIG_CCW_CONSOLE @@ -133,10 +108,12 @@ extern void cio_release_console(void); extern int cio_is_console(struct subchannel_id); extern struct subchannel *cio_get_console_subchannel(void); extern spinlock_t * cio_get_console_lock(void); +extern void *cio_get_console_priv(void); #else #define cio_is_console(schid) 0 #define cio_get_console_subchannel() NULL -#define cio_get_console_lock() NULL; +#define cio_get_console_lock() NULL +#define cio_get_console_priv() NULL #endif extern int cio_show_msg; |