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freebsd/sys/dev/isp/isp_inline.h
2000-07-04 01:06:23 +00:00

293 lines
7.7 KiB
C

/* $FreeBSD$ */
/*
* Qlogic Host Adapter Inline Functions
*
* Copyright (c) 1999 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. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. 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
static INLINE void isp_prtstst __P((ispstatusreq_t *));
static INLINE char *isp2100_fw_statename __P((int));
static INLINE char *isp2100_pdb_statename __P((int));
static INLINE void
isp_prtstst(sp)
ispstatusreq_t *sp;
{
char buf[172];
buf[0] = 0;
STRNCAT(buf, "states=>", sizeof buf);
if (sp->req_state_flags & RQSF_GOT_BUS) {
STRNCAT(buf, " GOT_BUS", sizeof buf);
}
if (sp->req_state_flags & RQSF_GOT_TARGET) {
STRNCAT(buf, " GOT_TGT", sizeof buf);
}
if (sp->req_state_flags & RQSF_SENT_CDB) {
STRNCAT(buf, " SENT_CDB", sizeof buf);
}
if (sp->req_state_flags & RQSF_XFRD_DATA) {
STRNCAT(buf, " XFRD_DATA", sizeof buf);
}
if (sp->req_state_flags & RQSF_GOT_STATUS) {
STRNCAT(buf, " GOT_STS", sizeof buf);
}
if (sp->req_state_flags & RQSF_GOT_SENSE) {
STRNCAT(buf, " GOT_SNS", sizeof buf);
}
if (sp->req_state_flags & RQSF_XFER_COMPLETE) {
STRNCAT(buf, " XFR_CMPLT", sizeof buf);
}
STRNCAT(buf, "\nstatus=>", sizeof buf);
if (sp->req_status_flags & RQSTF_DISCONNECT) {
STRNCAT(buf, " Disconnect", sizeof buf);
}
if (sp->req_status_flags & RQSTF_SYNCHRONOUS) {
STRNCAT(buf, " Sync_xfr", sizeof buf);
}
if (sp->req_status_flags & RQSTF_PARITY_ERROR) {
STRNCAT(buf, " Parity", sizeof buf);
}
if (sp->req_status_flags & RQSTF_BUS_RESET) {
STRNCAT(buf, " Bus_Reset", sizeof buf);
}
if (sp->req_status_flags & RQSTF_DEVICE_RESET) {
STRNCAT(buf, " Device_Reset", sizeof buf);
}
if (sp->req_status_flags & RQSTF_ABORTED) {
STRNCAT(buf, " Aborted", sizeof buf);
}
if (sp->req_status_flags & RQSTF_TIMEOUT) {
STRNCAT(buf, " Timeout", sizeof buf);
}
if (sp->req_status_flags & RQSTF_NEGOTIATION) {
STRNCAT(buf, " Negotiation", sizeof buf);
}
PRINTF(buf, "%s\n", buf);
}
static INLINE char *
isp2100_fw_statename(state)
int state;
{
static char buf[16];
switch(state) {
case FW_CONFIG_WAIT: return "Config Wait";
case FW_WAIT_AL_PA: return "Waiting for AL_PA";
case FW_WAIT_LOGIN: return "Wait Login";
case FW_READY: return "Ready";
case FW_LOSS_OF_SYNC: return "Loss Of Sync";
case FW_ERROR: return "Error";
case FW_REINIT: return "Re-Init";
case FW_NON_PART: return "Nonparticipating";
default:
sprintf(buf, "0x%x", state);
return buf;
}
}
static INLINE char *isp2100_pdb_statename(int pdb_state)
{
static char buf[16];
switch(pdb_state) {
case PDB_STATE_DISCOVERY: return "Port Discovery";
case PDB_STATE_WDISC_ACK: return "Waiting Port Discovery ACK";
case PDB_STATE_PLOGI: return "Port Login";
case PDB_STATE_PLOGI_ACK: return "Wait Port Login ACK";
case PDB_STATE_PRLI: return "Process Login";
case PDB_STATE_PRLI_ACK: return "Wait Process Login ACK";
case PDB_STATE_LOGGED_IN: return "Logged In";
case PDB_STATE_PORT_UNAVAIL: return "Port Unavailable";
case PDB_STATE_PRLO: return "Process Logout";
case PDB_STATE_PRLO_ACK: return "Wait Process Logout ACK";
case PDB_STATE_PLOGO: return "Port Logout";
case PDB_STATE_PLOG_ACK: return "Wait Port Logout ACK";
default:
sprintf(buf, "0x%x", pdb_state);
return buf;
}
}
/*
* 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 *, ISP_SCSI_XFER_T *, u_int32_t *));
static INLINE ISP_SCSI_XFER_T *
isp_find_xs __P((struct ispsoftc *, u_int32_t));
static INLINE u_int32_t
isp_find_handle __P((struct ispsoftc *, ISP_SCSI_XFER_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 *, ISP_SCSI_XFER_T *));
static INLINE int
isp_save_xs(isp, xs, handlep)
struct ispsoftc *isp;
ISP_SCSI_XFER_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 = j;
return (0);
}
static INLINE ISP_SCSI_XFER_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;
ISP_SCSI_XFER_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;
ISP_SCSI_XFER_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);
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 *));
static INLINE void
isp_print_qentry(isp, msg, idx, arg)
struct ispsoftc *isp;
char *msg;
int idx;
void *arg;
{
int amt, i, j;
u_int8_t *ptr = arg;
PRINTF("%s %s index %d:\n", isp->isp_name, msg, idx);
for (amt = i = 0; i < 4; i++) {
for (j = 0; j < (QENTRY_LEN >> 2); j++) {
PRINTF(" %02x", ptr[amt++] & 0xff);
}
PRINTF("\n");
}
}
#endif /* _ISP_INLINE_H */