250 lines
6.1 KiB
C
250 lines
6.1 KiB
C
/* $NetBSD: isp_inline.h,v 1.8 2000/08/14 07:06:50 mjacob Exp $ */
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/*
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* This driver, which is contained in NetBSD in the files:
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*
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* sys/dev/ic/isp.c
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* sys/dev/ic/ic/isp.c
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* sys/dev/ic/ic/isp_inline.h
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* sys/dev/ic/ic/isp_netbsd.c
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* sys/dev/ic/ic/isp_netbsd.h
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* sys/dev/ic/ic/isp_target.c
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* sys/dev/ic/ic/isp_target.h
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* sys/dev/ic/ic/isp_tpublic.h
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* sys/dev/ic/ic/ispmbox.h
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* sys/dev/ic/ic/ispreg.h
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* sys/dev/ic/ic/ispvar.h
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* sys/microcode/isp/asm_sbus.h
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* sys/microcode/isp/asm_1040.h
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* sys/microcode/isp/asm_1080.h
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* sys/microcode/isp/asm_12160.h
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* sys/microcode/isp/asm_2100.h
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* sys/microcode/isp/asm_2200.h
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* sys/pci/isp_pci.c
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* sys/sbus/isp_sbus.c
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*
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* Is being actively maintained by Matthew Jacob (mjacob@netbsd.org).
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* This driver also is shared source with FreeBSD, OpenBSD, Linux, Solaris,
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* Linux versions. This tends to be an interesting maintenance problem.
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*
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* Please coordinate with Matthew Jacob on changes you wish to make here.
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*/
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/*
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* Copyright (C) 1999 National Aeronautics & Space Administration
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Qlogic HBA inline functions.
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* mjacob@nas.nasa.gov.
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*/
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#ifndef _ISP_INLINE_H
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#define _ISP_INLINE_H
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/*
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* Handle Functions.
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* For each outstanding command there will be a non-zero handle.
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* There will be at most isp_maxcmds handles, and isp_lasthdls
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* will be a seed for the last handled allocated.
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*/
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static INLINE int
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isp_save_xs __P((struct ispsoftc *, XS_T *, u_int32_t *));
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static INLINE XS_T *
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isp_find_xs __P((struct ispsoftc *, u_int32_t));
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static INLINE u_int32_t
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isp_find_handle __P((struct ispsoftc *, XS_T *));
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static INLINE int
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isp_handle_index __P((u_int32_t));
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static INLINE void
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isp_destroy_handle __P((struct ispsoftc *, u_int32_t));
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static INLINE void
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isp_remove_handle __P((struct ispsoftc *, XS_T *));
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static INLINE int
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isp_save_xs(isp, xs, handlep)
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struct ispsoftc *isp;
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XS_T *xs;
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u_int32_t *handlep;
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{
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int i, j;
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for (j = isp->isp_lasthdls, i = 0; i < (int) isp->isp_maxcmds; i++) {
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if (isp->isp_xflist[j] == NULL) {
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break;
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}
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if (++j == isp->isp_maxcmds) {
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j = 0;
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}
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}
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if (i == isp->isp_maxcmds) {
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return (-1);
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}
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isp->isp_xflist[j] = xs;
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*handlep = j+1;
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if (++j == isp->isp_maxcmds)
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j = 0;
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isp->isp_lasthdls = (u_int16_t)j;
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return (0);
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}
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static INLINE XS_T *
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isp_find_xs(isp, handle)
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struct ispsoftc *isp;
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u_int32_t handle;
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{
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if (handle < 1 || handle > (u_int32_t) isp->isp_maxcmds) {
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return (NULL);
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} else {
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return (isp->isp_xflist[handle - 1]);
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}
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}
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static INLINE u_int32_t
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isp_find_handle(isp, xs)
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struct ispsoftc *isp;
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XS_T *xs;
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{
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int i;
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if (xs != NULL) {
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for (i = 0; i < isp->isp_maxcmds; i++) {
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if (isp->isp_xflist[i] == xs) {
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return ((u_int32_t) i+1);
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}
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}
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}
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return (0);
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}
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static INLINE int
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isp_handle_index(handle)
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u_int32_t handle;
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{
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return (handle-1);
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}
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static INLINE void
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isp_destroy_handle(isp, handle)
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struct ispsoftc *isp;
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u_int32_t handle;
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{
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if (handle > 0 && handle <= (u_int32_t) isp->isp_maxcmds) {
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isp->isp_xflist[isp_handle_index(handle)] = NULL;
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}
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}
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static INLINE void
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isp_remove_handle(isp, xs)
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struct ispsoftc *isp;
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XS_T *xs;
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{
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isp_destroy_handle(isp, isp_find_handle(isp, xs));
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}
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static INLINE int
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isp_getrqentry __P((struct ispsoftc *, u_int16_t *, u_int16_t *, void **));
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static INLINE int
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isp_getrqentry(isp, iptrp, optrp, resultp)
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struct ispsoftc *isp;
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u_int16_t *iptrp;
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u_int16_t *optrp;
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void **resultp;
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{
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volatile u_int16_t iptr, optr;
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optr = isp->isp_reqodx = ISP_READ(isp, OUTMAILBOX4);
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iptr = isp->isp_reqidx;
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*resultp = ISP_QUEUE_ENTRY(isp->isp_rquest, iptr);
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iptr = ISP_NXT_QENTRY(iptr, RQUEST_QUEUE_LEN(isp));
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if (iptr == optr) {
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return (1);
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}
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if (optrp)
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*optrp = optr;
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if (iptrp)
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*iptrp = iptr;
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return (0);
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}
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static INLINE void
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isp_print_qentry __P((struct ispsoftc *, char *, int, void *));
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#define TBA (4 * (((QENTRY_LEN >> 2) * 3) + 1) + 1)
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static INLINE void
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isp_print_qentry(isp, msg, idx, arg)
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struct ispsoftc *isp;
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char *msg;
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int idx;
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void *arg;
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{
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char buf[TBA];
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int amt, i, j;
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u_int8_t *ptr = arg;
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for (buf[0] = 0, amt = i = 0; i < 4; i++) {
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buf[0] = 0;
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for (j = 0; j < (QENTRY_LEN >> 2); j++) {
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SNPRINTF(buf, TBA, "%s %02x", buf, ptr[amt++] & 0xff);
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}
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STRNCAT(buf, "\n", TBA);
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}
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isp_prt(isp, ISP_LOGALL, "%s index %d:%s", msg, idx, buf);
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}
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static INLINE void
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isp_print_bytes __P((struct ispsoftc *, char *, int, void *));
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static INLINE void
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isp_print_bytes(isp, msg, amt, arg)
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struct ispsoftc *isp;
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char *msg;
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int amt;
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void *arg;
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{
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char buf[128];
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u_int8_t *ptr = arg;
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int off;
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off = 0;
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while (off < amt) {
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int j, to;
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to = off;
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SNPRINTF(buf, 128, "<");
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for (j = 0; j < 16; j++) {
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SNPRINTF(buf, 128, "%s %02x", buf, ptr[off++] & 0xff);
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if (off == amt)
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break;
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}
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isp_prt(isp, ISP_LOGALL,
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"<%s>offset=0x%x:\n%s>", msg, to, buf);
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}
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}
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#endif /* _ISP_INLINE_H */
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