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author | Cornelia Huck <cornelia.huck@de.ibm.com> | 2008-01-26 14:10:43 +0100 |
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committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2008-01-26 14:10:59 +0100 |
commit | cd6b4f27b9bb2a6a5ec82b96b87c85421257be6c (patch) | |
tree | bf5ac3d351242de6438ab1453a7f1b007f24c29f /drivers/s390/cio/css.h | |
parent | bc698bcf8897363732226dc9ecba044771679996 (diff) | |
download | kernel_samsung_smdk4412-cd6b4f27b9bb2a6a5ec82b96b87c85421257be6c.zip kernel_samsung_smdk4412-cd6b4f27b9bb2a6a5ec82b96b87c85421257be6c.tar.gz kernel_samsung_smdk4412-cd6b4f27b9bb2a6a5ec82b96b87c85421257be6c.tar.bz2 |
[S390] cio: Introduce subchannel->private.
Introduce a private pointer in struct subchannel to store
per-subchannel type data (cannot use dev->priv since this
is already used for something else).
Create a new header io_sch.h for I/O subchannel specific structures
and instructions.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/cio/css.h')
-rw-r--r-- | drivers/s390/cio/css.h | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/drivers/s390/cio/css.h b/drivers/s390/cio/css.h index c9fd600..b2b4a30 100644 --- a/drivers/s390/cio/css.h +++ b/drivers/s390/cio/css.h @@ -58,64 +58,6 @@ struct pgid { __u32 tod_high; /* high word TOD clock */ } __attribute__ ((packed)); -#define MAX_CIWS 8 - -/* - * sense-id response buffer layout - */ -struct senseid { - /* common part */ - __u8 reserved; /* always 0x'FF' */ - __u16 cu_type; /* control unit type */ - __u8 cu_model; /* control unit model */ - __u16 dev_type; /* device type */ - __u8 dev_model; /* device model */ - __u8 unused; /* padding byte */ - /* extended part */ - struct ciw ciw[MAX_CIWS]; /* variable # of CIWs */ -} __attribute__ ((packed,aligned(4))); - -struct ccw_device_private { - struct ccw_device *cdev; - struct subchannel *sch; - int state; /* device state */ - atomic_t onoff; - unsigned long registered; - struct ccw_dev_id dev_id; /* device id */ - struct subchannel_id schid; /* subchannel number */ - __u8 imask; /* lpm mask for SNID/SID/SPGID */ - int iretry; /* retry counter SNID/SID/SPGID */ - struct { - unsigned int fast:1; /* post with "channel end" */ - unsigned int repall:1; /* report every interrupt status */ - unsigned int pgroup:1; /* do path grouping */ - unsigned int force:1; /* allow forced online */ - } __attribute__ ((packed)) options; - struct { - unsigned int pgid_single:1; /* use single path for Set PGID */ - unsigned int esid:1; /* Ext. SenseID supported by HW */ - unsigned int dosense:1; /* delayed SENSE required */ - unsigned int doverify:1; /* delayed path verification */ - unsigned int donotify:1; /* call notify function */ - unsigned int recog_done:1; /* dev. recog. complete */ - unsigned int fake_irb:1; /* deliver faked irb */ - unsigned int intretry:1; /* retry internal operation */ - } __attribute__((packed)) flags; - unsigned long intparm; /* user interruption parameter */ - struct qdio_irq *qdio_data; - struct irb irb; /* device status */ - struct senseid senseid; /* SenseID info */ - struct pgid pgid[8]; /* path group IDs per chpid*/ - struct ccw1 iccws[2]; /* ccws for SNID/SID/SPGID commands */ - struct work_struct kick_work; - wait_queue_head_t wait_q; - struct timer_list timer; - void *cmb; /* measurement information */ - struct list_head cmb_list; /* list of measured devices */ - u64 cmb_start_time; /* clock value of cmb reset */ - void *cmb_wait; /* deferred cmb enable/disable */ -}; - /* * A css driver handles all subchannels of one type. * Currently, we only care about I/O subchannels (type 0), these |