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/* $FreeBSD$ */
/*
* Qlogic Host Adapter Inline Functions
*
* Copyright (c) 1999, 2000 by Matthew Jacob
* Feral Software
* All rights reserved.
* mjacob@feral.com
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice immediately at the beginning of the file, without modification,
* this list of conditions, and the following disclaimer.
* 2. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#ifndef _ISP_INLINE_H
#define _ISP_INLINE_H
/*
* Handle Functions.
* For each outstanding command there will be a non-zero handle.
* There will be at most isp_maxcmds handles, and isp_lasthdls
* will be a seed for the last handled allocated.
*/
static INLINE int
isp_save_xs __P((struct ispsoftc *, XS_T *, u_int32_t *));
static INLINE XS_T *
isp_find_xs __P((struct ispsoftc *, u_int32_t));
static INLINE u_int32_t
isp_find_handle __P((struct ispsoftc *, XS_T *));
static INLINE int
isp_handle_index __P((u_int32_t));
static INLINE void
isp_destroy_handle __P((struct ispsoftc *, u_int32_t));
static INLINE void
isp_remove_handle __P((struct ispsoftc *, XS_T *));
static INLINE int
isp_save_xs(isp, xs, handlep)
struct ispsoftc *isp;
XS_T *xs;
u_int32_t *handlep;
{
int i, j;
for (j = isp->isp_lasthdls, i = 0; i < (int) isp->isp_maxcmds; i++) {
if (isp->isp_xflist[j] == NULL) {
break;
}
if (++j == isp->isp_maxcmds) {
j = 0;
}
}
if (i == isp->isp_maxcmds) {
return (-1);
}
isp->isp_xflist[j] = xs;
*handlep = j+1;
if (++j == isp->isp_maxcmds)
j = 0;
isp->isp_lasthdls = (u_int16_t)j;
return (0);
}
static INLINE XS_T *
isp_find_xs(isp, handle)
struct ispsoftc *isp;
u_int32_t handle;
{
if (handle < 1 || handle > (u_int32_t) isp->isp_maxcmds) {
return (NULL);
} else {
return (isp->isp_xflist[handle - 1]);
}
}
static INLINE u_int32_t
isp_find_handle(isp, xs)
struct ispsoftc *isp;
XS_T *xs;
{
int i;
if (xs != NULL) {
for (i = 0; i < isp->isp_maxcmds; i++) {
if (isp->isp_xflist[i] == xs) {
return ((u_int32_t) i+1);
}
}
}
return (0);
}
static INLINE int
isp_handle_index(handle)
u_int32_t handle;
{
return (handle-1);
}
static INLINE void
isp_destroy_handle(isp, handle)
struct ispsoftc *isp;
u_int32_t handle;
{
if (handle > 0 && handle <= (u_int32_t) isp->isp_maxcmds) {
isp->isp_xflist[isp_handle_index(handle)] = NULL;
}
}
static INLINE void
isp_remove_handle(isp, xs)
struct ispsoftc *isp;
XS_T *xs;
{
isp_destroy_handle(isp, isp_find_handle(isp, xs));
}
static INLINE int
isp_getrqentry __P((struct ispsoftc *, u_int16_t *, u_int16_t *, void **));
static INLINE int
isp_getrqentry(isp, iptrp, optrp, resultp)
struct ispsoftc *isp;
u_int16_t *iptrp;
u_int16_t *optrp;
void **resultp;
{
volatile u_int16_t iptr, optr;
optr = isp->isp_reqodx = ISP_READ(isp, OUTMAILBOX4);
iptr = isp->isp_reqidx;
*resultp = ISP_QUEUE_ENTRY(isp->isp_rquest, iptr);
iptr = ISP_NXT_QENTRY(iptr, RQUEST_QUEUE_LEN(isp));
if (iptr == optr) {
return (1);
}
if (optrp)
*optrp = optr;
if (iptrp)
*iptrp = iptr;
return (0);
}
static INLINE void
isp_print_qentry __P((struct ispsoftc *, char *, int, void *));
#define TBA (4 * (((QENTRY_LEN >> 2) * 3) + 1) + 1)
static INLINE void
isp_print_qentry(isp, msg, idx, arg)
struct ispsoftc *isp;
char *msg;
int idx;
void *arg;
{
char buf[TBA];
int amt, i, j;
u_int8_t *ptr = arg;
for (buf[0] = 0, amt = i = 0; i < 4; i++) {
buf[0] = 0;
for (j = 0; j < (QENTRY_LEN >> 2); j++) {
SNPRINTF(buf, TBA, "%s %02x", buf, ptr[amt++] & 0xff);
}
STRNCAT(buf, "\n", TBA);
}
isp_prt(isp, ISP_LOGALL, "%s index %d:%s", msg, idx, buf);
}
static INLINE void
isp_print_bytes __P((struct ispsoftc *, char *, int, void *));
static INLINE void
isp_print_bytes(isp, msg, amt, arg)
struct ispsoftc *isp;
char *msg;
int amt;
void *arg;
{
char buf[128];
u_int8_t *ptr = arg;
int off;
if (msg)
isp_prt(isp, ISP_LOGALL, "%s:", msg);
off = 0;
buf[0] = 0;
while (off < amt) {
int j, to;
to = off;
for (j = 0; j < 16; j++) {
SNPRINTF(buf, 128, "%s %02x", buf, ptr[off++] & 0xff);
if (off == amt)
break;
}
isp_prt(isp, ISP_LOGALL, "0x%08x:%s", to, buf);
buf[0] = 0;
}
}
#endif /* _ISP_INLINE_H */
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