[BACK]Return to schid.h CVS log [TXT][DIR] Up to [Development] / linux-2.6-xfs / drivers / s390 / cio
File: [Development] / linux-2.6-xfs / drivers / s390 / cio / Attic / schid.h (download)

Revision 1.1, Wed Jan 25 00:04:14 2006 UTC (11 years, 8 months ago) by cattelan
Branch: MAIN 

Merge up to 2.6.16-rc1

#ifndef S390_SCHID_H
#define S390_SCHID_H

struct subchannel_id {
	__u32 reserved:13;
	__u32 ssid:2;
	__u32 one:1;
	__u32 sch_no:16;
} __attribute__ ((packed,aligned(4)));


/* Helper function for sane state of pre-allocated subchannel_id. */
static inline void
init_subchannel_id(struct subchannel_id *schid)
{
	memset(schid, 0, sizeof(struct subchannel_id));
	schid->one = 1;
}

static inline int
schid_equal(struct subchannel_id *schid1, struct subchannel_id *schid2)
{
	return !memcmp(schid1, schid2, sizeof(struct subchannel_id));
}

#endif /* S390_SCHID_H */