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Add a maintenance note. Fix QFREE and QAVAIL macros to match change in usage.

This commit is contained in:
mjacob 2000-08-14 07:12:15 +00:00
parent ed05406b77
commit ec701021fd
1 changed files with 33 additions and 2 deletions
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35
sys/dev/ic/ispvar.h
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@ -1,4 +1,33 @@
/* $NetBSD: ispvar.h,v 1.33 2000/08/08 22:58:32 mjacob Exp $ */
/* $NetBSD: ispvar.h,v 1.34 2000/08/14 07:12:15 mjacob Exp $ */
/*
* This driver, which is contained in NetBSD in the files:
*
* sys/dev/ic/isp.c
* sys/dev/ic/ic/isp.c
* sys/dev/ic/ic/isp_inline.h
* sys/dev/ic/ic/isp_netbsd.c
* sys/dev/ic/ic/isp_netbsd.h
* sys/dev/ic/ic/isp_target.c
* sys/dev/ic/ic/isp_target.h
* sys/dev/ic/ic/isp_tpublic.h
* sys/dev/ic/ic/ispmbox.h
* sys/dev/ic/ic/ispreg.h
* sys/dev/ic/ic/ispvar.h
* sys/microcode/isp/asm_sbus.h
* sys/microcode/isp/asm_1040.h
* sys/microcode/isp/asm_1080.h
* sys/microcode/isp/asm_12160.h
* sys/microcode/isp/asm_2100.h
* sys/microcode/isp/asm_2200.h
* sys/pci/isp_pci.c
* sys/sbus/isp_sbus.c
*
* Is being actively maintained by Matthew Jacob (mjacob@netbsd.org).
* This driver also is shared source with FreeBSD, OpenBSD, Linux, Solaris,
* Linux versions. This tends to be an interesting maintenance problem.
*
* Please coordinate with Matthew Jacob on changes you wish to make here.
*/
/*
* Copyright (C) 1999 National Aeronautics & Space Administration
* All rights reserved.
@ -151,9 +180,11 @@ struct ispmdvec {
#define ISP_QUEUE_ENTRY(q, idx) ((q) + ((idx) * QENTRY_LEN))
#define ISP_QUEUE_SIZE(n) ((n) * QENTRY_LEN)
#define ISP_NXT_QENTRY(idx, qlen) (((idx) + 1) & ((qlen)-1))
#define ISP_QAVAIL(in, out, qlen) \
#define ISP_QFREE(in, out, qlen) \
((in == out)? (qlen - 1) : ((in > out)? \
((qlen - 1) - (in - out)) : (out - in - 1)))
#define ISP_QAVAIL(isp) \
ISP_QFREE(isp->isp_reqidx, isp->isp_reqodx, RQUEST_QUEUE_LEN(isp))
#define ISP_ADD_REQUEST(isp, iptr) \
MEMORYBARRIER(isp, SYNC_REQUEST, iptr, QENTRY_LEN); \