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Replace a magic number with macro.

This commit is contained in:
tsutsui 2001-11-03 15:52:03 +00:00
parent 787ee522f9
commit f82eb7bfa1
1 changed files with 3 additions and 2 deletions
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5
sys/dev/scsipi/scsi_message.h
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@ -1,4 +1,4 @@
/* $NetBSD: scsi_message.h,v 1.5 2001/04/25 17:53:39 bouyer Exp $ */
/* $NetBSD: scsi_message.h,v 1.6 2001/11/03 15:52:03 tsutsui Exp $ */
/* Messages (1 byte) */ /* I/T (M)andatory or (O)ptional */
#define MSG_CMDCOMPLETE 0x00 /* M/M */
@ -29,7 +29,8 @@
/* Identify message */ /* M/M */
#define MSG_IDENTIFYFLAG 0x80
#define MSG_IDENTIFY_DISCFLAG 0x40
#define MSG_IDENTIFY(lun, disc) (((disc) ? 0xc0 : MSG_IDENTIFYFLAG) | (lun))
#define MSG_IDENTIFY(lun, disc) \
(MSG_IDENTIFYFLAG | ((disc) ? MSG_IDENTIFY_DISCFLAG : 0) | (lun))
#define MSG_ISIDENTIFY(m) ((m) & MSG_IDENTIFYFLAG)
/* Extended messages (opcode and length) */