mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-24 11:29:10 +00:00
504 lines
12 KiB
C
504 lines
12 KiB
C
/**
|
|
* Copyright (c) 1997 by Matthew N. Dodd <winter@jurai.net>
|
|
* All Rights Reserved
|
|
*
|
|
* 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, this list of conditions, and the following disclaimer,
|
|
* without modification, immediately at the beginning of the file.
|
|
* 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.
|
|
*/
|
|
|
|
/* Credits: Based on and part of the DPT driver for FreeBSD written and
|
|
* maintained by Simon Shapiro <shimon@simon-shapiro.org>
|
|
*/
|
|
|
|
/*
|
|
* $Id: dpt_eisa.c,v 1.1 1998/03/11 00:30:12 julian Exp $
|
|
*/
|
|
|
|
#include "eisa.h"
|
|
#if NEISA > 0
|
|
#include "opt_dpt.h"
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/malloc.h>
|
|
#include <sys/buf.h>
|
|
#include <sys/proc.h>
|
|
#include <sys/kernel.h>
|
|
|
|
#include <scsi/scsi_all.h>
|
|
#include <scsi/scsi_message.h>
|
|
#include <scsi/scsiconf.h>
|
|
|
|
#include <i386/eisa/eisaconf.h>
|
|
|
|
#include <sys/dpt.h>
|
|
#include <i386/eisa/dpt_eisa.h>
|
|
|
|
#include <machine/clock.h>
|
|
|
|
#include <vm/vm.h>
|
|
#include <vm/vm_param.h>
|
|
#include <vm/pmap.h>
|
|
|
|
/* Function Prototypes */
|
|
|
|
int dpt_eisa_probe(void);
|
|
int dpt_eisa_attach(struct eisa_device*);
|
|
int dpt_eisa_shutdown(int);
|
|
|
|
static const char *dpt_eisa_match(eisa_id_t);
|
|
|
|
static struct eisa_driver dpt_eisa_driver =
|
|
{
|
|
"dpt",
|
|
dpt_eisa_probe,
|
|
dpt_eisa_attach,
|
|
dpt_eisa_shutdown,
|
|
&dpt_unit
|
|
};
|
|
|
|
DATA_SET (eisadriver_set, dpt_eisa_driver);
|
|
|
|
int
|
|
dpt_eisa_probe(void)
|
|
{
|
|
static int already_announced = 0;
|
|
u_int32_t io_base;
|
|
u_int32_t irq;
|
|
struct eisa_device *e_dev = NULL;
|
|
dpt_conf_t *config;
|
|
dpt_softc_t *dpt;
|
|
int count = 0;
|
|
|
|
if ( !already_announced ) {
|
|
printf("DPT: EISA SCSI HBA Driver, version %d.%d.%d\n",
|
|
DPT_RELEASE, DPT_VERSION, DPT_PATCH);
|
|
++already_announced;
|
|
}
|
|
|
|
if ((dpt = (dpt_softc_t *) malloc(sizeof(dpt_softc_t),
|
|
M_DEVBUF, M_NOWAIT)) == NULL) {
|
|
printf("dpt_eisa_probe() : Failed to allocate %d bytes for a DPT softc\n", sizeof(dpt_softc_t));
|
|
return -1;
|
|
}
|
|
|
|
bzero(dpt, sizeof(dpt_softc_t));
|
|
|
|
TAILQ_INIT(&dpt->free_ccbs);
|
|
TAILQ_INIT(&dpt->waiting_ccbs);
|
|
TAILQ_INIT(&dpt->submitted_ccbs);
|
|
TAILQ_INIT(&dpt->completed_ccbs);
|
|
|
|
dpt->queue_status = DPT_QUEUES_NONE_ACTIVE;
|
|
dpt->commands_processed = 0;
|
|
dpt->handle_interrupts = 0;
|
|
dpt->v_membase = NULL;
|
|
dpt->p_membase = NULL;
|
|
|
|
dpt->unit = -1;
|
|
|
|
while ((e_dev = eisa_match_dev(e_dev, dpt_eisa_match))) {
|
|
io_base = (e_dev->ioconf.slot * EISA_SLOT_SIZE)
|
|
+ DPT_EISA_SLOT_OFFSET;
|
|
|
|
eisa_add_iospace(e_dev, io_base,
|
|
DPT_EISA_IOSIZE, RESVADDR_NONE);
|
|
|
|
dpt->io_base = io_base;
|
|
|
|
if ((config = dpt_get_conf(dpt, 0xc1, 7,
|
|
sizeof(dpt_conf_t), 1)) == NULL) {
|
|
#ifdef DPT_DEBUG_ERROR
|
|
printf("eisa0:%d dpt_eisa_probe() : Failed to get board configuration.\n",
|
|
e_dev->ioconf.slot);
|
|
#endif
|
|
continue;
|
|
}
|
|
|
|
irq = config->IRQ;
|
|
|
|
eisa_add_intr(e_dev, irq);
|
|
eisa_registerdev(e_dev, &dpt_eisa_driver);
|
|
|
|
count++;
|
|
|
|
}
|
|
|
|
free(dpt, M_DEVBUF);
|
|
return count;
|
|
}
|
|
|
|
int
|
|
dpt_eisa_attach(e_dev)
|
|
struct eisa_device *e_dev;
|
|
{
|
|
int result;
|
|
int ndx;
|
|
|
|
dpt_conf_t *config;
|
|
dpt_softc_t *dpt;
|
|
|
|
int unit = e_dev->unit;
|
|
int irq;
|
|
resvaddr_t *io_space;
|
|
|
|
if (TAILQ_FIRST(&e_dev->ioconf.irqs) == NULL) {
|
|
#ifdef DPT_DEBUG_ERROR
|
|
printf("dpt%d: Can't retrieve irq from EISA config struct.\n",
|
|
unit);
|
|
#endif
|
|
return -1;
|
|
}
|
|
|
|
irq = TAILQ_FIRST(&e_dev->ioconf.irqs)->irq_no;
|
|
io_space = e_dev->ioconf.ioaddrs.lh_first;
|
|
|
|
if (!io_space) {
|
|
#ifdef DPT_DEBUG_ERROR
|
|
printf("dpt%d: No I/O space?!\n", unit);
|
|
#endif
|
|
return -1;
|
|
}
|
|
|
|
if ( dpt_controllers_present >= DPT_MAX_ADAPTERS ){
|
|
printf("dpt%d: More than %d Adapters found! Adapter rejected\n",
|
|
unit, DPT_MAX_ADAPTERS);
|
|
return -1;
|
|
}
|
|
|
|
if ((dpt = (dpt_softc_t *) malloc(sizeof(dpt_softc_t),
|
|
M_DEVBUF, M_NOWAIT)) == NULL) {
|
|
printf("dpt%d: Failed to allocate %d bytes for a DPT softc\n",
|
|
unit, sizeof(dpt_softc_t));
|
|
return -1;
|
|
}
|
|
|
|
/*
|
|
* Initialize the queues. See dpt.h for details. We do this here,
|
|
* as we may get hit with interrupts at any moment and we want to
|
|
* have a minimal structure in place to handle them. We also want to
|
|
* register interrupts correctly. To do so, we need a valid dpt
|
|
* structure. To have that, we need this minimal setup here.
|
|
*/
|
|
|
|
bzero(dpt, sizeof(dpt_softc_t));
|
|
|
|
TAILQ_INIT(&dpt->free_ccbs);
|
|
TAILQ_INIT(&dpt->waiting_ccbs);
|
|
TAILQ_INIT(&dpt->submitted_ccbs);
|
|
TAILQ_INIT(&dpt->completed_ccbs);
|
|
|
|
if (TAILQ_EMPTY(&dpt_softc_list)) {
|
|
TAILQ_INIT(&dpt_softc_list);
|
|
}
|
|
|
|
TAILQ_INSERT_TAIL(&dpt_softc_list, dpt, links);
|
|
dpt->queue_status = DPT_QUEUES_NONE_ACTIVE;
|
|
dpt->commands_processed = 0;
|
|
|
|
#ifdef DPT_MEASURE_PERFORMANCE
|
|
/* Zero out all command counters */
|
|
bzero((void *)&dpt->performance, sizeof(dpt_perf_t));
|
|
#endif /* DPT_MEASURE_PERFORMANCE */
|
|
|
|
dpt->handle_interrupts = 0; /*
|
|
* Do not set to 1 until all
|
|
* initialization is done
|
|
*/
|
|
dpt->v_membase = NULL;
|
|
dpt->p_membase = NULL;
|
|
|
|
dpt->unit = unit;
|
|
dpt->io_base = (e_dev->ioconf.slot * EISA_SLOT_SIZE)
|
|
+ DPT_EISA_SLOT_OFFSET;
|
|
|
|
eisa_reg_start(e_dev);
|
|
|
|
if (eisa_reg_iospace(e_dev, io_space)) {
|
|
#ifdef DPT_DEBUG_ERROR
|
|
printf("dpt%d: eisa_reg_iospace() failed.\n", unit);
|
|
#endif
|
|
free(dpt, M_DEVBUF);
|
|
return -1;
|
|
}
|
|
|
|
/* reset the card? */
|
|
|
|
/* If the DPT is mapped as an IDE controller, let it be IDE controller */
|
|
if (dpt->io_base == ISA_PRIMARY_WD_ADDRESS) {
|
|
#ifdef DPT_DEBUG_WARN
|
|
printf("dpt%d: Mapped as an IDE controller. "
|
|
"Disabling SCSI setup\n", unit);
|
|
#endif
|
|
free(dpt, M_DEVBUF);
|
|
return -1;
|
|
} else {
|
|
if ((config = dpt_get_conf(dpt, 0xc1, 7,
|
|
sizeof(dpt_conf_t), 1)) == NULL) {
|
|
#ifdef DPT_DEBUG_ERROR
|
|
printf("dpt%d: Failed to get board configuration (%x)\n",
|
|
unit, BaseRegister(dpt));
|
|
#endif
|
|
free(dpt, M_DEVBUF);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
if(eisa_reg_intr(e_dev, irq, dpt_intr, (void *)dpt, &cam_imask,
|
|
/* shared == */ config->IRQ_TR)) {
|
|
#ifdef DPT_DEBUG_ERROR
|
|
printf("dpt%d: eisa_reg_intr() failed.\n", unit);
|
|
#endif
|
|
free(dpt, M_DEVBUF);
|
|
return -1;
|
|
}
|
|
eisa_reg_end(e_dev);
|
|
|
|
/* Enable our interrupt handler. */
|
|
if (eisa_enable_intr(e_dev, irq)) {
|
|
#ifdef DPT_DEBUG_ERROR
|
|
printf("dpt%d: eisa_enable_intr() failed.\n", unit);
|
|
#endif
|
|
free(dpt, M_DEVBUF);
|
|
eisa_release_intr(e_dev, irq, dpt_intr);
|
|
return -1;
|
|
}
|
|
|
|
dpt->max_id = config->MAX_ID;
|
|
dpt->max_lun = config->MAX_LUN;
|
|
dpt->irq = config->IRQ;
|
|
dpt->channels = config->MAX_CHAN;
|
|
dpt->dma_channel = (8 - config->DMA_channel) & 7;
|
|
|
|
#ifdef DPT_DEBUG_SETUP
|
|
printf("dpt%d: max_id = %d, max_chan = %d, max_lun = %d\n",
|
|
dpt->unit, dpt->max_id, dpt->channels, dpt->max_lun);
|
|
#endif
|
|
|
|
if (result = dpt_setup(dpt, config)) {
|
|
free(config, M_TEMP);
|
|
free(dpt, M_DEVBUF);
|
|
printf("dpt%d: dpt_setup failed (%d). Driver Disabled :-(\n",
|
|
dpt->unit, result);
|
|
} else {
|
|
/* clean up the informational data, and display */
|
|
char clean_vendor[9];
|
|
char clean_model[17];
|
|
char clean_firmware[5];
|
|
char clean_protocol[5];
|
|
char clean_other[7];
|
|
|
|
int ndx;
|
|
|
|
strncpy(clean_other, dpt->board_data.otherData, 8);
|
|
clean_other[6] = '\0';
|
|
for (ndx = 5; ndx >= 0; ndx--) {
|
|
if (clean_other[ndx] == ' ') {
|
|
clean_other[ndx] = '\0';
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
|
|
strncpy(dpt->board_data.otherData, clean_other, 6);
|
|
|
|
strncpy(clean_vendor, dpt->board_data.vendor, 8);
|
|
clean_vendor[8] = '\0';
|
|
|
|
for (ndx = 7; ndx >= 0; ndx--) {
|
|
if (clean_vendor[ndx] == ' ') {
|
|
clean_vendor[ndx] = '\0';
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
|
|
strncpy(dpt->board_data.vendor, clean_vendor, 8);
|
|
|
|
strncpy(clean_model, dpt->board_data.modelNum, 16);
|
|
clean_model[16] = '\0';
|
|
|
|
for (ndx = 15; ndx >= 0; ndx--) {
|
|
if (clean_model[ndx] == ' ') {
|
|
clean_model[ndx] = '\0';
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
|
|
strncpy(dpt->board_data.modelNum, clean_model, 16);
|
|
|
|
strncpy(clean_firmware, dpt->board_data.firmware, 4);
|
|
clean_firmware[4] = '\0';
|
|
|
|
for (ndx = 3; ndx >= 0; ndx--) {
|
|
if (clean_firmware[ndx] == ' ')
|
|
clean_firmware[ndx] = '\0';
|
|
else
|
|
break;
|
|
}
|
|
|
|
strncpy(dpt->board_data.firmware, clean_firmware, 4);
|
|
|
|
strncpy(clean_protocol, dpt->board_data.protocol, 4);
|
|
clean_protocol[4] = '\0';
|
|
|
|
for (ndx = 3; ndx >= 0; ndx--) {
|
|
if (clean_protocol[ndx] == ' ')
|
|
clean_protocol[ndx] = '\0';
|
|
else
|
|
break;
|
|
}
|
|
|
|
strncpy(dpt->board_data.protocol, clean_protocol, 4);
|
|
|
|
dpt_detect_cache(dpt);
|
|
|
|
printf("dpt%d: %s type %x, model %s firmware %s, Protocol %s \n"
|
|
" on port %x with %dMB %s cache. LED = %s\n",
|
|
dpt->unit, clean_vendor, dpt->board_data.deviceType,
|
|
clean_model, clean_firmware, clean_protocol, dpt->io_base,
|
|
dpt->cache_size,
|
|
(dpt->cache_type == DPT_NO_CACHE)
|
|
? "Disabled"
|
|
: (dpt->cache_type == DPT_CACHE_WRITETHROUGH)
|
|
? "Write-Through"
|
|
: "Write-Back",
|
|
i2bin(dpt_blinking_led(dpt), 8));
|
|
|
|
printf("dpt%d: Enabled Options:\n", dpt->unit);
|
|
|
|
#ifdef DPT_VERIFY_HINTR
|
|
printf(" Verify Lost Transactions\n");
|
|
#endif
|
|
#ifdef DPT_RESTRICTED_FREELIST
|
|
printf(" Restrict the Freelist Size\n");
|
|
#endif
|
|
#ifdef DPT_TRACK_CCB_STATES
|
|
printf(" Precisely Track State Transitions\n");
|
|
#endif
|
|
#ifdef DPT_MEASURE_PERFORMANCE
|
|
printf(" Collect Metrics\n");
|
|
#endif
|
|
#ifdef DPT_FREELIST_IS_STACK
|
|
printf(" Optimize CPU Cache\n");
|
|
#endif
|
|
#ifdef DPT_HANDLE_TIMEOUTS
|
|
printf(" Handle Timeouts\n");
|
|
#endif
|
|
#ifdef DPT_ALLOW_MEMIO
|
|
printf(" Allow I/O to be Memeory Mapped\n");
|
|
#endif
|
|
#ifdef DPT_HINTR_CHECK_SOFTC
|
|
printf(" Validate SoftC at Interrupt\n");
|
|
#endif
|
|
|
|
/* register shutdown handlers */
|
|
result = at_shutdown((bootlist_fn)dpt_shutdown, (void *)dpt,
|
|
SHUTDOWN_POST_SYNC);
|
|
switch ( result ) {
|
|
case 0:
|
|
#ifdef DPT_DEBUG_SHUTDOWN
|
|
printf("dpt%d: Shutdown handler registered\n", dpt->unit);
|
|
#endif
|
|
break;
|
|
default:
|
|
#ifdef DPT_DEBUG_WARN
|
|
printf("dpt%d: Failed to register shutdown handler (%d)\n",
|
|
dpt->unit, result);
|
|
#endif
|
|
break;
|
|
}
|
|
|
|
dpt_attach(dpt);
|
|
}
|
|
|
|
++dpt_controllers_present;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
dpt_eisa_shutdown(foo)
|
|
int foo;
|
|
{
|
|
#ifdef DPT_DEBUG_WARN
|
|
printf("dpt_pci_shutdown(%x)\n", foo);
|
|
#endif
|
|
return (0);
|
|
}
|
|
|
|
static const char *
|
|
dpt_eisa_match(type)
|
|
eisa_id_t type;
|
|
{
|
|
switch (type) {
|
|
case DPT_EISA_DPT2402 :
|
|
return ("DPT PM2012A/9X");
|
|
break;
|
|
case DPT_EISA_DPTA401 :
|
|
return ("DPT PM2012B/9X");
|
|
break;
|
|
case DPT_EISA_DPTA402 :
|
|
return ("DPT PM2012B2/9X");
|
|
break;
|
|
case DPT_EISA_DPTA410 :
|
|
return ("DPT PM2x22A/9X");
|
|
break;
|
|
case DPT_EISA_DPTA411 :
|
|
return ("DPT Spectre");
|
|
break;
|
|
case DPT_EISA_DPTA412 :
|
|
return ("DPT PM2021A/9X");
|
|
break;
|
|
case DPT_EISA_DPTA420 :
|
|
return ("DPT Smart Cache IV (PM2042)");
|
|
break;
|
|
case DPT_EISA_DPTA501 :
|
|
return ("DPT PM2012B1/9X");
|
|
break;
|
|
case DPT_EISA_DPTA502 :
|
|
return ("DPT PM2012Bx/9X");
|
|
break;
|
|
case DPT_EISA_DPTA701 :
|
|
return ("DPT PM2011B1/9X");
|
|
break;
|
|
case DPT_EISA_DPTBC01 :
|
|
return ("DPT PM3011/7X ESDI");
|
|
break;
|
|
case DPT_EISA_NEC8200 :
|
|
return ("NEC EATA SCSI");
|
|
break;
|
|
case DPT_EISA_ATT2408 :
|
|
return ("ATT EATA SCSI");
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return (NULL);
|
|
}
|
|
|
|
#endif /* NEISA > 0 */
|