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Conver the DPT driver to CAM. The dpt_control interface is not yet

Browse source 
functional, but will be in another day or so.
This commit is contained in:
Justin T. Gibbs 1998-09-15 08:33:38 +00:00
parent 7b2c5bd263
commit 83cf1450a1
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=39234
9 changed files with 3358 additions and 4470 deletions
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1326
sys/dev/dpt/dpt.h Normal file
View file

File diff suppressed because it is too large Load diff

33
sys/dev/dpt/dpt_control.c
View file

@ -36,7 +36,7 @@
* future.
*/
#ident "$Id: dpt_control.c,v 1.7 1998/07/13 09:52:51 bde Exp $"
#ident "$Id: dpt_control.c,v 1.8 1998/08/05 00:54:36 eivind Exp $"
#include "opt_dpt.h"
@ -54,7 +54,7 @@
#include <vm/pmap.h>
#include <scsi/scsiconf.h>
#include <sys/dpt.h>
#include <dev/dpt/dpt.h>
#define INLINE __inline
@ -100,33 +100,8 @@ NULL, -1};
static struct buf *dpt_inbuf[DPT_MAX_ADAPTERS];
static char dpt_rw_command[DPT_MAX_ADAPTERS][DPT_RW_CMD_LEN + 1];
#ifdef DPT_MEASURE_PERFORMANCE
void
dpt_reset_performance(dpt_softc_t *dpt)
{
int ndx;
/* Zero out all command counters */
bzero(&dpt->performance, sizeof(dpt_perf_t));
for ( ndx = 0; ndx < 256; ndx ++ )
dpt->performance.min_command_time[ndx] = BIG_ENOUGH;
dpt->performance.min_intr_time = BIG_ENOUGH;
dpt->performance.min_waiting_time = BIG_ENOUGH;
dpt->performance.min_submit_time = BIG_ENOUGH;
dpt->performance.min_complete_time = BIG_ENOUGH;
dpt->performance.min_eata_tries = BIG_ENOUGH;
for (ndx = 0; ndx < 10; ndx++ ) {
dpt->performance.read_by_size_min_time[ndx] = BIG_ENOUGH;
dpt->performance.write_by_size_min_time[ndx] = BIG_ENOUGH;
}
}
#endif /* DPT_MEASURE_PERFORMANCE */
/**
/*
* Given a minor device number,
* return the pointer to its softc structure
*/
@ -395,7 +370,7 @@ dpt_get_sysinfo(void)
dpt_sysinfo.flags |= SI_BusTypeValid;
dpt_sysinfo.busType = HBA_BUS_PCI;
#warning "O/S Version determination is an ugly hack"
/* XXX Use _FreeBSD_Version_ */
dpt_sysinfo.osType = OS_FREEBSD;
dpt_sysinfo.osMajorVersion = osrelease[0] - '0';
if (osrelease[1] == '.')

408
sys/dev/dpt/dpt_eisa.c
View file

@ -1,4 +1,4 @@
/**
/*
* Copyright (c) 1997 by Matthew N. Dodd <winter@jurai.net>
* All Rights Reserved
*
@ -27,12 +27,13 @@
* SUCH DAMAGE.
*/
/* Credits: Based on and part of the DPT driver for FreeBSD written and
/*
* 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 1.2 1998/05/17 20:31:50 gibbs Exp $
* $Id: dpt_eisa.c,v 1.3 1998/08/09 02:22:34 jkh Exp $
*/
#include "eisa.h"
@ -46,13 +47,14 @@
#include <sys/proc.h>
#include <sys/kernel.h>
#include <scsi/scsi_all.h>
#include <scsi/scsi_message.h>
#include <scsi/scsiconf.h>
#include <machine/bus_pio.h>
#include <machine/bus.h>
#include <cam/scsi/scsi_all.h>
#include <dev/dpt/dpt.h>
#include <i386/eisa/eisaconf.h>
#include <sys/dpt.h>
#include <i386/eisa/dpt_eisa.h>
#include <machine/clock.h>
@ -63,9 +65,8 @@
/* Function Prototypes */
int dpt_eisa_probe(void);
int dpt_eisa_attach(struct eisa_device*);
int dpt_eisa_shutdown(int);
static int dpt_eisa_probe(void);
static int dpt_eisa_attach(struct eisa_device*);
static const char *dpt_eisa_match(eisa_id_t);
@ -74,50 +75,23 @@ static struct eisa_driver dpt_eisa_driver =
"dpt",
dpt_eisa_probe,
dpt_eisa_attach,
dpt_eisa_shutdown,
NULL,
&dpt_unit
};
DATA_SET (eisadriver_set, dpt_eisa_driver);
int
static 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 ( bootverbose && !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;
struct eisa_device *e_dev = NULL;
int count;
u_int32_t io_base;
u_int intdef;
u_int irq;
e_dev = NULL;
count = 0;
while ((e_dev = eisa_match_dev(e_dev, dpt_eisa_match))) {
io_base = (e_dev->ioconf.slot * EISA_SLOT_SIZE)
+ DPT_EISA_SLOT_OFFSET;
@ -125,27 +99,32 @@ dpt_eisa_probe(void)
eisa_add_iospace(e_dev, io_base,
DPT_EISA_IOSIZE, RESVADDR_NONE);
dpt->io_base = io_base;
intdef = inb(DPT_EISA_INTDEF + 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 = intdef & DPT_EISA_INT_NUM_MASK;
switch (irq) {
case DPT_EISA_INT_NUM_11:
irq = 11;
break;
case DPT_EISA_INT_NUM_15:
irq = 15;
break;
case DPT_EISA_INT_NUM_14:
irq = 14;
break;
default:
printf("dpt at slot %d: illegal irq setting %d\n",
e_dev->ioconf.slot, irq);
irq = 0;
break;
}
irq = config->IRQ;
if (irq == 0)
continue;
eisa_add_intr(e_dev, irq);
eisa_registerdev(e_dev, &dpt_eisa_driver);
count++;
}
free(dpt, M_DEVBUF);
return count;
}
@ -153,21 +132,16 @@ int
dpt_eisa_attach(e_dev)
struct eisa_device *e_dev;
{
int result;
int ndx;
dpt_conf_t *config;
dpt_softc_t *dpt;
resvaddr_t *io_space;
int unit = e_dev->unit;
int irq;
resvaddr_t *io_space;
int shared;
int s;
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;
}
@ -175,280 +149,70 @@ dpt_eisa_attach(e_dev)
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);
shared = inb(DPT_EISA_INTDEF + io_space->addr) & DPT_EISA_INT_LEVEL;
dpt = dpt_alloc(unit, I386_BUS_SPACE_IO,
io_space->addr + DPT_EISA_EATA_REG_OFFSET);
if (dpt == NULL)
return -1;
/* Allocate a dmatag representing the capabilities of this attachment */
/* XXX Should be a child of the EISA bus dma tag */
if (bus_dma_tag_create(/*parent*/NULL, /*alignemnt*/0, /*boundary*/0,
/*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
/*highaddr*/BUS_SPACE_MAXADDR,
/*filter*/NULL, /*filterarg*/NULL,
/*maxsize*/BUS_SPACE_MAXSIZE_32BIT,
/*nsegments*/BUS_SPACE_UNRESTRICTED,
/*maxsegsz*/BUS_SPACE_MAXSIZE_32BIT,
/*flags*/0, &dpt->parent_dmat) != 0) {
dpt_free(dpt);
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));
if (eisa_reg_intr(e_dev, irq, dpt_intr, (void *)dpt, &cam_imask,
shared)) {
printf("dpt%d: eisa_reg_intr() failed.\n", unit);
dpt_free(dpt);
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;
}
/*
* 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.
* Enable our interrupt handler.
*/
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);
dpt_free(dpt);
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);
s = splcam();
if (dpt_init(dpt) != 0) {
dpt_free(dpt);
return -1;
}
++dpt_controllers_present;
/* Register with the XPT */
dpt_attach(dpt);
splx(s);
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;

15
sys/dev/dpt/dpt_eisa.h
View file

@ -32,11 +32,20 @@
*/
/*
* $Id: dpt_eisa.h,v 1.1 1998/03/10 21:31:06 ShimonR Exp ShimonR $
* $Id: dpt_eisa.h,v 1.1 1998/03/11 00:30:14 julian Exp $
*/
#define DPT_EISA_SLOT_OFFSET 0xc88 /* 8 */
#define DPT_EISA_IOSIZE sizeof(eata_reg_t)
#define DPT_EISA_SLOT_OFFSET 0xc00
#define DPT_EISA_IOSIZE 0x100
#define DPT_EISA_INTDEF 0x90
#define DPT_EISA_INT_LEVEL 0x04
#define DPT_EISA_INT_NUM_MASK 0x38
#define DPT_EISA_INT_NUM_11 0x08
#define DPT_EISA_INT_NUM_15 0x10
#define DPT_EISA_INT_NUM_14 0x20
#define DPT_EISA_EATA_REG_OFFSET 0x88
#define ISA_PRIMARY_WD_ADDRESS 0x1f8

489
sys/dev/dpt/dpt_pci.c
View file

@ -29,12 +29,10 @@
*/
/*
* dptpci.c: Pseudo device drivers for DPT on PCI on FreeBSD
*
* caveats: We may need an eisa and an isa files too
* dptpci.c: PCI Bus Attachment for DPT SCSI HBAs
*/
#ident "$Id: dpt_pci.c,v 1.6 1998/06/02 00:32:38 eivind Exp $"
#ident "$Id: dpt_pci.c,v 1.7 1998/08/05 00:54:37 eivind Exp $"
#include "opt_devfs.h"
#include "opt_dpt.h"
@ -45,18 +43,19 @@
#include <sys/buf.h>
#include <sys/kernel.h>
#include <scsi/scsiconf.h>
#include <pci/pcireg.h>
#include <pci/pcivar.h>
#include <sys/dpt.h>
#include <machine/bus_memio.h>
#include <machine/bus_pio.h>
#include <machine/bus.h>
#include <cam/scsi/scsi_all.h>
#include <dev/dpt/dpt.h>
#include <pci/dpt_pci.h>
#include <vm/vm.h>
#include <vm/pmap.h>
#define PCI_BASEADR0 PCI_MAP_REG_START /* I/O Address */
#define PCI_BASEADR0 PCI_MAP_REG_START /* I/O Address */
#define PCI_BASEADR1 PCI_MAP_REG_START + 4 /* Mem I/O Address */
#define ISA_PRIMARY_WD_ADDRESS 0x1f8
@ -67,17 +66,16 @@
static char *dpt_pci_probe(pcici_t tag, pcidi_t type);
static void dpt_pci_attach(pcici_t config_id, int unit);
static int dpt_pci_shutdown(int foo, int bar);
extern struct cdevsw dpt_cdevsw;
static struct pci_device dpt_pci_driver =
{
"dpt",
dpt_pci_probe,
dpt_pci_attach,
&dpt_unit,
dpt_pci_shutdown
"dpt",
dpt_pci_probe,
dpt_pci_attach,
&dpt_unit,
NULL
};
DATA_SET(pcidevice_set, dpt_pci_driver);
@ -91,16 +89,7 @@ DATA_SET(pcidevice_set, dpt_pci_driver);
static char *
dpt_pci_probe(pcici_t tag, pcidi_t type)
{
static char silly_message[64];
static int already_announced = 0;
u_int32_t dpt_id;
u_int32_t command;
u_int32_t class;
#define pci_device tag.cfg2.port
#define pci_bus tag.cfg2.forward
#define pci_index tag.cfg2.enable
u_int32_t class;
#ifndef PCI_COMMAND_MASTER_ENABLE
#define PCI_COMMAND_MASTER_ENABLE 0x00000004
@ -110,398 +99,90 @@ dpt_pci_probe(pcici_t tag, pcidi_t type)
#define PCI_SUBCLASS_MASS_STORAGE_SCSI 0x00000000
#endif
if ( bootverbose && !already_announced ) {
printf("DPT: PCI SCSI HBA Driver, version %d.%d.%d\n",
DPT_RELEASE, DPT_VERSION, DPT_PATCH);
++already_announced;
}
if ((dpt_id = (type & 0xffff0000) >> 16) == DPT_DEVICE_ID) {
/* This one appears to belong to us, but what is it? */
class = pci_conf_read(tag, PCI_CLASS_REG);
if (((class & PCI_CLASS_MASK) == PCI_CLASS_MASS_STORAGE) &&
((class & PCI_SUBCLASS_MASK) == PCI_SUBCLASS_MASS_STORAGE_SCSI) ) {
/* It is a SCSI storage device. How do talk to it? */
command = pci_conf_read(tag, PCI_COMMAND_STATUS_REG);
#ifdef DPT_ALLOW_MEMIO
if ( ((command & PCI_COMMAND_IO_ENABLE) == 0)
&& ((command & PCI_COMMAND_MEM_ENABLE) == 0) )
#else
if ( ((command & PCI_COMMAND_IO_ENABLE) == 0) )
#endif /* DPT_ALLOW_MEMIO */
{
printf("DPT: Cannot map the controller registers :-(\n");
return(NULL);
}
} else {
printf("DPT: Device is not Mass Storage, nor SCSI controller\n");
return(NULL);
}
command = pci_conf_read(tag, PCI_COMMAND_STATUS_REG);
if ( (command & PCI_COMMAND_MASTER_ENABLE) == 0 ) {
printf("DPT: Cannot be functional without BUSMASTER. :-(\n");
return (NULL);
}
#ifdef DPT_DEBUG_PCI
printf("DPT: Controller is %s mapable\n",
(command & PCI_COMMAND_MEM_ENABLE)
? "MEMORY"
: ((command & PCI_COMMAND_IO_ENABLE)
? "I/O"
: "NOT"));
#endif
return ("DPT Caching SCSI RAID Controller");
}
#if defined(DPT_DEBUG_PCI) && defined(DPT_DEBUG_WARN)
printf("DPT: Unknown Controller Type %x Found\n", dpt_id);
printf(" (class = %x, command = %x\n", class, command);
#endif
return (NULL);
if (((type & 0xffff0000) >> 16) == DPT_DEVICE_ID
&& (class & PCI_CLASS_MASK) == PCI_CLASS_MASS_STORAGE
&& (class & PCI_SUBCLASS_MASK) == PCI_SUBCLASS_MASS_STORAGE_SCSI)
return ("DPT Caching SCSI RAID Controller");
return (NULL);
}
static void
dpt_pci_attach(pcici_t config_id, int unit)
{
int ospl;
int result;
int ndx;
vm_offset_t vaddr;
vm_offset_t paddr;
u_int16_t io_base;
u_int32_t command;
u_int32_t data;
dpt_conf_t *config;
dpt_softc_t *dpt;
if (dpt_controllers_present >= DPT_MAX_ADAPTERS) {
printf("dpt%d: More than %d Adapters found! Adapter rejected\n",
unit, DPT_MAX_ADAPTERS);
return;
}
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;
}
/*
* 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
dpt_reset_performance(dpt);
#endif /* DPT_MEASURE_PERFORMANCE */
dpt->unit = unit;
dpt->handle_interrupts = 0; /*
* Do not set to 1 until all
* initialization is done
*/
dpt->v_membase = NULL;
dpt->p_membase = NULL;
io_base = 0;
vaddr = 0;
paddr = 0;
command = pci_conf_read(config_id, PCI_COMMAND_STATUS_REG);
dpt_softc_t *dpt;
vm_offset_t vaddr;
vm_offset_t paddr;
u_int16_t io_base;
bus_space_tag_t tag;
bus_space_handle_t bsh;
u_int32_t command;
u_int32_t data;
int result;
int ndx;
int s;
vaddr = NULL;
command = pci_conf_read(config_id, PCI_COMMAND_STATUS_REG);
#ifdef DPT_ALLOW_MEMIO
if ( (command & PCI_COMMAND_MEM_ENABLE) == 0 ) {
#ifdef DPT_DEBUG_PCI
printf("dpt%d: Cannot be memory mapped\n", unit);
if ((command & PCI_COMMAND_MEM_ENABLE) == 0
|| (pci_map_mem(config_id, PCI_BASEADR1, &vaddr, &paddr)) == 0) {
#endif
force_io:
if ((command & PCI_COMMAND_IO_ENABLE) == 0 ) {
printf("dpt%d: Cannot be I/O mapped either :-(\n", unit);
free(dpt, M_DEVBUF);
return;
} else {
data = pci_conf_read(config_id, PCI_MAP_REG_START);
if ( pci_map_port(config_id, PCI_MAP_REG_START, &io_base) == 0 ) {
#ifdef DPT_DEBUG_ERROR
printf("dpt%d: Failed to map as I/O :-(\n", unit);
#endif
free(dpt, M_DEVBUF);
return;
} else {
dpt->io_base = io_base + 0x10;
#ifdef DPT_DEBUG_PCI
printf("dpt%d: Mapped registers to I/O space, "
"starting at %x\n",
dpt->unit, dpt->io_base);
#endif
}
}
} else {
if ( pci_map_mem(config_id, PCI_MAP_REG_START + 4, &vaddr,
&paddr) == 0 ) {
#ifdef DPT_DEBUG_ERROR
printf("dpt%d: Failed to map as MEMORY.\n"
" Attemting to force I/O mapping\n", unit);
#endif
goto force_io;
} else {
dpt->v_membase = (volatile u_int8_t *)(vaddr + 0x10);
dpt->p_membase = (volatile u_int8_t *)(paddr + 0x10);
#ifdef DPT_DEBUG_PCI
printf("dpt%d: Mapped registers to MEMORY space, "
"starting at %x/%x\n",
dpt->unit, dpt->v_membase, dpt->p_membase);
#endif
}
}
if ((command & PCI_COMMAND_IO_ENABLE) == 0
|| (pci_map_port(config_id, PCI_BASEADR0, &io_base)) == 0)
return;
#else /* !DPT_ALLOW_MEMIO */
data = pci_conf_read(config_id, PCI_MAP_REG_START);
if ((command & PCI_COMMAND_IO_ENABLE) == 0 ) {
printf("dpt%d: Registers cannot be I/O mapped :-(\n", unit);
free(dpt, M_DEVBUF);
return;
} else {
if ( pci_map_port(config_id, PCI_MAP_REG_START, &io_base) == 0 ) {
#ifdef DPT_DEBUG_ERROR
printf("dpt%d: Failed to map registers as I/O :-(\n", unit);
#endif
free(dpt, M_DEVBUF);
return;
} else {
dpt->io_base = io_base + 0x10;
#ifdef DPT_DEBUG_PCI
printf("dpt%d: Mapped registers to I/O space, starting at %x\n",
dpt->unit, dpt->io_base);
#endif
}
}
#endif /* !DPT_ALLOW_MEMIO */
if (pci_map_int(config_id, dpt_intr, (void *)dpt, &cam_imask) == 0) {
/*
* If the DPT is mapped as an IDE controller,
* let it be IDE controller
*/
if (io_base == ISA_PRIMARY_WD_ADDRESS - 0x10) {
#ifdef DPT_DEBUG_WARN
printf("dpt%d: Failed to map interrupt :-(\n", unit);
printf("dpt%d: Mapped as an IDE controller. "
"Disabling SCSI setup\n", unit);
#endif
free(dpt, M_DEVBUF);
return;
}
return;
}
/* If the DPT is mapped as an IDE controller, let it be IDE controller */
if (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;
} 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;
}
}
/* XXX Should be passed in by parent bus */
/* XXX Why isn't the 0x10 offset incorporated into the reg defs? */
if (vaddr != 0) {
tag = I386_BUS_SPACE_MEM;
bsh = vaddr + 0x10;
} else {
tag = I386_BUS_SPACE_IO;
bsh = io_base + 0x10;
}
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;
if ((dpt = dpt_alloc(unit, tag, bsh)) == NULL)
return; /* XXX PCI code should take return status */
/* Allocate a dmatag representing the capabilities of this attachment */
/* XXX Should be a child of the PCI bus dma tag */
if (bus_dma_tag_create(/*parent*/NULL, /*alignemnt*/0, /*boundary*/0,
/*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
/*highaddr*/BUS_SPACE_MAXADDR,
/*filter*/NULL, /*filterarg*/NULL,
/*maxsize*/BUS_SPACE_MAXSIZE_32BIT,
/*nsegments*/BUS_SPACE_UNRESTRICTED,
/*maxsegsz*/BUS_SPACE_MAXSIZE_32BIT,
/*flags*/0, &dpt->parent_dmat) != 0) {
dpt_free(dpt);
return;
}
#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 (pci_map_int(config_id, dpt_intr, (void *)dpt, &cam_imask) == 0) {
dpt_free(dpt);
return;
}
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];
s = splcam();
if (dpt_init(dpt) != 0) {
dpt_free(dpt);
return;
}
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 %s cache. LED = %s\n",
dpt->unit, clean_vendor, dpt->board_data.deviceType,
clean_model, clean_firmware, clean_protocol, dpt->io_base,
(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_LOST_IRQ
printf(" Recover Lost Interrupts\n");
#endif
#ifdef DPT_VERIFY_HINTR
printf(" Verify Lost Transactions\n");
#endif
#ifdef DPT_RESTRICTED_FREELIST
printf(" Restrict the Freelist Size\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;
}
/* Attach SCSI devices */
dpt_attach(dpt);
++dpt_controllers_present;
/*
* Now we create the DEVFS entry.
* This would be normally done from dpt_control.c,
* But since it appears to be called before we do here,
* We never get the entries made.
*/
#ifdef DEVFS
(void) devfs_add_devswf(&dpt_cdevsw, dpt->unit, DV_CHR,
UID_ROOT, GID_WHEEL, 0600,
"dpt%d", dpt->unit);
(void) devfs_add_devswf(&dpt_cdevsw, dpt->unit | SCSI_CONTROL_MASK,
DV_CHR,
UID_ROOT, GID_WHEEL, 0600,
"dpt%d.ctl", dpt->unit);
#endif
}
/* Register with the XPT */
dpt_attach(dpt);
splx(s);
}
static int
dpt_pci_shutdown(int foo, int bar)
{
#ifdef DPT_DEBUG_WARN
printf("dpt_pci_shutdown(%x, %x)\n", foo, bar);
#endif
return (0);
}
/* End of the DPT PCI part of the driver */
/*
* Hello emacs, these are the
* Local Variables:
* c-indent-level: 8
* c-continued-statement-offset: 8
* c-continued-brace-offset: 0
* c-brace-offset: -8
* c-brace-imaginary-offset: 0
* c-argdecl-indent: 8
* c-label-offset: -8
* c++-hanging-braces: 1
* c++-access-specifier-offset: -8
* c++-empty-arglist-indent: 8
* c++-friend-offset: 0
* End:
*/

4645
sys/dev/dpt/dpt_scsi.c
View file

File diff suppressed because it is too large Load diff

408
sys/i386/eisa/dpt_eisa.c
View file

@ -1,4 +1,4 @@
/**
/*
* Copyright (c) 1997 by Matthew N. Dodd <winter@jurai.net>
* All Rights Reserved
*
@ -27,12 +27,13 @@
* SUCH DAMAGE.
*/
/* Credits: Based on and part of the DPT driver for FreeBSD written and
/*
* 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 1.2 1998/05/17 20:31:50 gibbs Exp $
* $Id: dpt_eisa.c,v 1.3 1998/08/09 02:22:34 jkh Exp $
*/
#include "eisa.h"
@ -46,13 +47,14 @@
#include <sys/proc.h>
#include <sys/kernel.h>
#include <scsi/scsi_all.h>
#include <scsi/scsi_message.h>
#include <scsi/scsiconf.h>
#include <machine/bus_pio.h>
#include <machine/bus.h>
#include <cam/scsi/scsi_all.h>
#include <dev/dpt/dpt.h>
#include <i386/eisa/eisaconf.h>
#include <sys/dpt.h>
#include <i386/eisa/dpt_eisa.h>
#include <machine/clock.h>
@ -63,9 +65,8 @@
/* Function Prototypes */
int dpt_eisa_probe(void);
int dpt_eisa_attach(struct eisa_device*);
int dpt_eisa_shutdown(int);
static int dpt_eisa_probe(void);
static int dpt_eisa_attach(struct eisa_device*);
static const char *dpt_eisa_match(eisa_id_t);
@ -74,50 +75,23 @@ static struct eisa_driver dpt_eisa_driver =
"dpt",
dpt_eisa_probe,
dpt_eisa_attach,
dpt_eisa_shutdown,
NULL,
&dpt_unit
};
DATA_SET (eisadriver_set, dpt_eisa_driver);
int
static 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 ( bootverbose && !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;
struct eisa_device *e_dev = NULL;
int count;
u_int32_t io_base;
u_int intdef;
u_int irq;
e_dev = NULL;
count = 0;
while ((e_dev = eisa_match_dev(e_dev, dpt_eisa_match))) {
io_base = (e_dev->ioconf.slot * EISA_SLOT_SIZE)
+ DPT_EISA_SLOT_OFFSET;
@ -125,27 +99,32 @@ dpt_eisa_probe(void)
eisa_add_iospace(e_dev, io_base,
DPT_EISA_IOSIZE, RESVADDR_NONE);
dpt->io_base = io_base;
intdef = inb(DPT_EISA_INTDEF + 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 = intdef & DPT_EISA_INT_NUM_MASK;
switch (irq) {
case DPT_EISA_INT_NUM_11:
irq = 11;
break;
case DPT_EISA_INT_NUM_15:
irq = 15;
break;
case DPT_EISA_INT_NUM_14:
irq = 14;
break;
default:
printf("dpt at slot %d: illegal irq setting %d\n",
e_dev->ioconf.slot, irq);
irq = 0;
break;
}
irq = config->IRQ;
if (irq == 0)
continue;
eisa_add_intr(e_dev, irq);
eisa_registerdev(e_dev, &dpt_eisa_driver);
count++;
}
free(dpt, M_DEVBUF);
return count;
}
@ -153,21 +132,16 @@ int
dpt_eisa_attach(e_dev)
struct eisa_device *e_dev;
{
int result;
int ndx;
dpt_conf_t *config;
dpt_softc_t *dpt;
resvaddr_t *io_space;
int unit = e_dev->unit;
int irq;
resvaddr_t *io_space;
int shared;
int s;
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;
}
@ -175,280 +149,70 @@ dpt_eisa_attach(e_dev)
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);
shared = inb(DPT_EISA_INTDEF + io_space->addr) & DPT_EISA_INT_LEVEL;
dpt = dpt_alloc(unit, I386_BUS_SPACE_IO,
io_space->addr + DPT_EISA_EATA_REG_OFFSET);
if (dpt == NULL)
return -1;
/* Allocate a dmatag representing the capabilities of this attachment */
/* XXX Should be a child of the EISA bus dma tag */
if (bus_dma_tag_create(/*parent*/NULL, /*alignemnt*/0, /*boundary*/0,
/*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
/*highaddr*/BUS_SPACE_MAXADDR,
/*filter*/NULL, /*filterarg*/NULL,
/*maxsize*/BUS_SPACE_MAXSIZE_32BIT,
/*nsegments*/BUS_SPACE_UNRESTRICTED,
/*maxsegsz*/BUS_SPACE_MAXSIZE_32BIT,
/*flags*/0, &dpt->parent_dmat) != 0) {
dpt_free(dpt);
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));
if (eisa_reg_intr(e_dev, irq, dpt_intr, (void *)dpt, &cam_imask,
shared)) {
printf("dpt%d: eisa_reg_intr() failed.\n", unit);
dpt_free(dpt);
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;
}
/*
* 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.
* Enable our interrupt handler.
*/
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);
dpt_free(dpt);
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);
s = splcam();
if (dpt_init(dpt) != 0) {
dpt_free(dpt);
return -1;
}
++dpt_controllers_present;
/* Register with the XPT */
dpt_attach(dpt);
splx(s);
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;

15
sys/i386/eisa/dpt_eisa.h
View file

@ -32,11 +32,20 @@
*/
/*
* $Id: dpt_eisa.h,v 1.1 1998/03/10 21:31:06 ShimonR Exp ShimonR $
* $Id: dpt_eisa.h,v 1.1 1998/03/11 00:30:14 julian Exp $
*/
#define DPT_EISA_SLOT_OFFSET 0xc88 /* 8 */
#define DPT_EISA_IOSIZE sizeof(eata_reg_t)
#define DPT_EISA_SLOT_OFFSET 0xc00
#define DPT_EISA_IOSIZE 0x100
#define DPT_EISA_INTDEF 0x90
#define DPT_EISA_INT_LEVEL 0x04
#define DPT_EISA_INT_NUM_MASK 0x38
#define DPT_EISA_INT_NUM_11 0x08
#define DPT_EISA_INT_NUM_15 0x10
#define DPT_EISA_INT_NUM_14 0x20
#define DPT_EISA_EATA_REG_OFFSET 0x88
#define ISA_PRIMARY_WD_ADDRESS 0x1f8

489
sys/pci/dpt_pci.c
View file

@ -29,12 +29,10 @@
*/
/*
* dptpci.c: Pseudo device drivers for DPT on PCI on FreeBSD
*
* caveats: We may need an eisa and an isa files too
* dptpci.c: PCI Bus Attachment for DPT SCSI HBAs
*/
#ident "$Id: dpt_pci.c,v 1.6 1998/06/02 00:32:38 eivind Exp $"
#ident "$Id: dpt_pci.c,v 1.7 1998/08/05 00:54:37 eivind Exp $"
#include "opt_devfs.h"
#include "opt_dpt.h"
@ -45,18 +43,19 @@
#include <sys/buf.h>
#include <sys/kernel.h>
#include <scsi/scsiconf.h>
#include <pci/pcireg.h>
#include <pci/pcivar.h>
#include <sys/dpt.h>
#include <machine/bus_memio.h>
#include <machine/bus_pio.h>
#include <machine/bus.h>
#include <cam/scsi/scsi_all.h>
#include <dev/dpt/dpt.h>
#include <pci/dpt_pci.h>
#include <vm/vm.h>
#include <vm/pmap.h>
#define PCI_BASEADR0 PCI_MAP_REG_START /* I/O Address */
#define PCI_BASEADR0 PCI_MAP_REG_START /* I/O Address */
#define PCI_BASEADR1 PCI_MAP_REG_START + 4 /* Mem I/O Address */
#define ISA_PRIMARY_WD_ADDRESS 0x1f8
@ -67,17 +66,16 @@
static char *dpt_pci_probe(pcici_t tag, pcidi_t type);
static void dpt_pci_attach(pcici_t config_id, int unit);
static int dpt_pci_shutdown(int foo, int bar);
extern struct cdevsw dpt_cdevsw;
static struct pci_device dpt_pci_driver =
{
"dpt",
dpt_pci_probe,
dpt_pci_attach,
&dpt_unit,
dpt_pci_shutdown
"dpt",
dpt_pci_probe,
dpt_pci_attach,
&dpt_unit,
NULL
};
DATA_SET(pcidevice_set, dpt_pci_driver);
@ -91,16 +89,7 @@ DATA_SET(pcidevice_set, dpt_pci_driver);
static char *
dpt_pci_probe(pcici_t tag, pcidi_t type)
{
static char silly_message[64];
static int already_announced = 0;
u_int32_t dpt_id;
u_int32_t command;
u_int32_t class;
#define pci_device tag.cfg2.port
#define pci_bus tag.cfg2.forward
#define pci_index tag.cfg2.enable
u_int32_t class;
#ifndef PCI_COMMAND_MASTER_ENABLE
#define PCI_COMMAND_MASTER_ENABLE 0x00000004
@ -110,398 +99,90 @@ dpt_pci_probe(pcici_t tag, pcidi_t type)
#define PCI_SUBCLASS_MASS_STORAGE_SCSI 0x00000000
#endif
if ( bootverbose && !already_announced ) {
printf("DPT: PCI SCSI HBA Driver, version %d.%d.%d\n",
DPT_RELEASE, DPT_VERSION, DPT_PATCH);
++already_announced;
}
if ((dpt_id = (type & 0xffff0000) >> 16) == DPT_DEVICE_ID) {
/* This one appears to belong to us, but what is it? */
class = pci_conf_read(tag, PCI_CLASS_REG);
if (((class & PCI_CLASS_MASK) == PCI_CLASS_MASS_STORAGE) &&
((class & PCI_SUBCLASS_MASK) == PCI_SUBCLASS_MASS_STORAGE_SCSI) ) {
/* It is a SCSI storage device. How do talk to it? */
command = pci_conf_read(tag, PCI_COMMAND_STATUS_REG);
#ifdef DPT_ALLOW_MEMIO
if ( ((command & PCI_COMMAND_IO_ENABLE) == 0)
&& ((command & PCI_COMMAND_MEM_ENABLE) == 0) )
#else
if ( ((command & PCI_COMMAND_IO_ENABLE) == 0) )
#endif /* DPT_ALLOW_MEMIO */
{
printf("DPT: Cannot map the controller registers :-(\n");
return(NULL);
}
} else {
printf("DPT: Device is not Mass Storage, nor SCSI controller\n");
return(NULL);
}
command = pci_conf_read(tag, PCI_COMMAND_STATUS_REG);
if ( (command & PCI_COMMAND_MASTER_ENABLE) == 0 ) {
printf("DPT: Cannot be functional without BUSMASTER. :-(\n");
return (NULL);
}
#ifdef DPT_DEBUG_PCI
printf("DPT: Controller is %s mapable\n",
(command & PCI_COMMAND_MEM_ENABLE)
? "MEMORY"
: ((command & PCI_COMMAND_IO_ENABLE)
? "I/O"
: "NOT"));
#endif
return ("DPT Caching SCSI RAID Controller");
}
#if defined(DPT_DEBUG_PCI) && defined(DPT_DEBUG_WARN)
printf("DPT: Unknown Controller Type %x Found\n", dpt_id);
printf(" (class = %x, command = %x\n", class, command);
#endif
return (NULL);
if (((type & 0xffff0000) >> 16) == DPT_DEVICE_ID
&& (class & PCI_CLASS_MASK) == PCI_CLASS_MASS_STORAGE
&& (class & PCI_SUBCLASS_MASK) == PCI_SUBCLASS_MASS_STORAGE_SCSI)
return ("DPT Caching SCSI RAID Controller");
return (NULL);
}
static void
dpt_pci_attach(pcici_t config_id, int unit)
{
int ospl;
int result;
int ndx;
vm_offset_t vaddr;
vm_offset_t paddr;
u_int16_t io_base;
u_int32_t command;
u_int32_t data;
dpt_conf_t *config;
dpt_softc_t *dpt;
if (dpt_controllers_present >= DPT_MAX_ADAPTERS) {
printf("dpt%d: More than %d Adapters found! Adapter rejected\n",
unit, DPT_MAX_ADAPTERS);
return;
}
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;
}
/*
* 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
dpt_reset_performance(dpt);
#endif /* DPT_MEASURE_PERFORMANCE */
dpt->unit = unit;
dpt->handle_interrupts = 0; /*
* Do not set to 1 until all
* initialization is done
*/
dpt->v_membase = NULL;
dpt->p_membase = NULL;
io_base = 0;
vaddr = 0;
paddr = 0;
command = pci_conf_read(config_id, PCI_COMMAND_STATUS_REG);
dpt_softc_t *dpt;
vm_offset_t vaddr;
vm_offset_t paddr;
u_int16_t io_base;
bus_space_tag_t tag;
bus_space_handle_t bsh;
u_int32_t command;
u_int32_t data;
int result;
int ndx;
int s;
vaddr = NULL;
command = pci_conf_read(config_id, PCI_COMMAND_STATUS_REG);
#ifdef DPT_ALLOW_MEMIO
if ( (command & PCI_COMMAND_MEM_ENABLE) == 0 ) {
#ifdef DPT_DEBUG_PCI
printf("dpt%d: Cannot be memory mapped\n", unit);
if ((command & PCI_COMMAND_MEM_ENABLE) == 0
|| (pci_map_mem(config_id, PCI_BASEADR1, &vaddr, &paddr)) == 0) {
#endif
force_io:
if ((command & PCI_COMMAND_IO_ENABLE) == 0 ) {
printf("dpt%d: Cannot be I/O mapped either :-(\n", unit);
free(dpt, M_DEVBUF);
return;
} else {
data = pci_conf_read(config_id, PCI_MAP_REG_START);
if ( pci_map_port(config_id, PCI_MAP_REG_START, &io_base) == 0 ) {
#ifdef DPT_DEBUG_ERROR
printf("dpt%d: Failed to map as I/O :-(\n", unit);
#endif
free(dpt, M_DEVBUF);
return;
} else {
dpt->io_base = io_base + 0x10;
#ifdef DPT_DEBUG_PCI
printf("dpt%d: Mapped registers to I/O space, "
"starting at %x\n",
dpt->unit, dpt->io_base);
#endif
}
}
} else {
if ( pci_map_mem(config_id, PCI_MAP_REG_START + 4, &vaddr,
&paddr) == 0 ) {
#ifdef DPT_DEBUG_ERROR
printf("dpt%d: Failed to map as MEMORY.\n"
" Attemting to force I/O mapping\n", unit);
#endif
goto force_io;
} else {
dpt->v_membase = (volatile u_int8_t *)(vaddr + 0x10);
dpt->p_membase = (volatile u_int8_t *)(paddr + 0x10);
#ifdef DPT_DEBUG_PCI
printf("dpt%d: Mapped registers to MEMORY space, "
"starting at %x/%x\n",
dpt->unit, dpt->v_membase, dpt->p_membase);
#endif
}
}
if ((command & PCI_COMMAND_IO_ENABLE) == 0
|| (pci_map_port(config_id, PCI_BASEADR0, &io_base)) == 0)
return;
#else /* !DPT_ALLOW_MEMIO */
data = pci_conf_read(config_id, PCI_MAP_REG_START);
if ((command & PCI_COMMAND_IO_ENABLE) == 0 ) {
printf("dpt%d: Registers cannot be I/O mapped :-(\n", unit);
free(dpt, M_DEVBUF);
return;
} else {
if ( pci_map_port(config_id, PCI_MAP_REG_START, &io_base) == 0 ) {
#ifdef DPT_DEBUG_ERROR
printf("dpt%d: Failed to map registers as I/O :-(\n", unit);
#endif
free(dpt, M_DEVBUF);
return;
} else {
dpt->io_base = io_base + 0x10;
#ifdef DPT_DEBUG_PCI
printf("dpt%d: Mapped registers to I/O space, starting at %x\n",
dpt->unit, dpt->io_base);
#endif
}
}
#endif /* !DPT_ALLOW_MEMIO */
if (pci_map_int(config_id, dpt_intr, (void *)dpt, &cam_imask) == 0) {
/*
* If the DPT is mapped as an IDE controller,
* let it be IDE controller
*/
if (io_base == ISA_PRIMARY_WD_ADDRESS - 0x10) {
#ifdef DPT_DEBUG_WARN
printf("dpt%d: Failed to map interrupt :-(\n", unit);
printf("dpt%d: Mapped as an IDE controller. "
"Disabling SCSI setup\n", unit);
#endif
free(dpt, M_DEVBUF);
return;
}
return;
}
/* If the DPT is mapped as an IDE controller, let it be IDE controller */
if (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;
} 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;
}
}
/* XXX Should be passed in by parent bus */
/* XXX Why isn't the 0x10 offset incorporated into the reg defs? */
if (vaddr != 0) {
tag = I386_BUS_SPACE_MEM;
bsh = vaddr + 0x10;
} else {
tag = I386_BUS_SPACE_IO;
bsh = io_base + 0x10;
}
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;
if ((dpt = dpt_alloc(unit, tag, bsh)) == NULL)
return; /* XXX PCI code should take return status */
/* Allocate a dmatag representing the capabilities of this attachment */
/* XXX Should be a child of the PCI bus dma tag */
if (bus_dma_tag_create(/*parent*/NULL, /*alignemnt*/0, /*boundary*/0,
/*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
/*highaddr*/BUS_SPACE_MAXADDR,
/*filter*/NULL, /*filterarg*/NULL,
/*maxsize*/BUS_SPACE_MAXSIZE_32BIT,
/*nsegments*/BUS_SPACE_UNRESTRICTED,
/*maxsegsz*/BUS_SPACE_MAXSIZE_32BIT,
/*flags*/0, &dpt->parent_dmat) != 0) {
dpt_free(dpt);
return;
}
#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 (pci_map_int(config_id, dpt_intr, (void *)dpt, &cam_imask) == 0) {
dpt_free(dpt);
return;
}
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];
s = splcam();
if (dpt_init(dpt) != 0) {
dpt_free(dpt);
return;
}
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 %s cache. LED = %s\n",
dpt->unit, clean_vendor, dpt->board_data.deviceType,
clean_model, clean_firmware, clean_protocol, dpt->io_base,
(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_LOST_IRQ
printf(" Recover Lost Interrupts\n");
#endif
#ifdef DPT_VERIFY_HINTR
printf(" Verify Lost Transactions\n");
#endif
#ifdef DPT_RESTRICTED_FREELIST
printf(" Restrict the Freelist Size\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;
}
/* Attach SCSI devices */
dpt_attach(dpt);
++dpt_controllers_present;
/*
* Now we create the DEVFS entry.
* This would be normally done from dpt_control.c,
* But since it appears to be called before we do here,
* We never get the entries made.
*/
#ifdef DEVFS
(void) devfs_add_devswf(&dpt_cdevsw, dpt->unit, DV_CHR,
UID_ROOT, GID_WHEEL, 0600,
"dpt%d", dpt->unit);
(void) devfs_add_devswf(&dpt_cdevsw, dpt->unit | SCSI_CONTROL_MASK,
DV_CHR,
UID_ROOT, GID_WHEEL, 0600,
"dpt%d.ctl", dpt->unit);
#endif
}
/* Register with the XPT */
dpt_attach(dpt);
splx(s);
}
static int
dpt_pci_shutdown(int foo, int bar)
{
#ifdef DPT_DEBUG_WARN
printf("dpt_pci_shutdown(%x, %x)\n", foo, bar);
#endif
return (0);
}
/* End of the DPT PCI part of the driver */
/*
* Hello emacs, these are the
* Local Variables:
* c-indent-level: 8
* c-continued-statement-offset: 8
* c-continued-brace-offset: 0
* c-brace-offset: -8
* c-brace-imaginary-offset: 0
* c-argdecl-indent: 8
* c-label-offset: -8
* c++-hanging-braces: 1
* c++-access-specifier-offset: -8
* c++-empty-arglist-indent: 8
* c++-friend-offset: 0
* End:
*/