e3bb9c6163
o Make driver less chatty on boot (only announce version under bootverbose) Submitted by: Simon Shapiro <shimon@simon-shapiro.org>
523 lines
15 KiB
C
523 lines
15 KiB
C
/*
|
|
* Copyright (c) 1997 by Simon Shapiro
|
|
* 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.
|
|
*
|
|
*/
|
|
|
|
/*
|
|
* dptpci.c: Pseudo device drivers for DPT on PCI on FreeBSD
|
|
*
|
|
* caveats: We may need an eisa and an isa files too
|
|
*/
|
|
|
|
#ident "$Id: dpt_pci.c,v 1.5 1998/03/11 00:30:16 julian Exp $"
|
|
|
|
#include "opt_devfs.h"
|
|
#include "opt_dpt.h"
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/malloc.h>
|
|
#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 <pci/dpt_pci.h>
|
|
|
|
#include <vm/vm.h>
|
|
#include <vm/pmap.h>
|
|
|
|
#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
|
|
|
|
/* Global variables */
|
|
|
|
/* Function Prototypes */
|
|
|
|
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
|
|
};
|
|
|
|
DATA_SET(pcidevice_set, dpt_pci_driver);
|
|
|
|
/*
|
|
* Probe the PCI device.
|
|
* Some of this work will have to be duplicated in _attach
|
|
* because we do not know for sure how the two relate.
|
|
*/
|
|
|
|
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
|
|
|
|
#ifndef PCI_COMMAND_MASTER_ENABLE
|
|
#define PCI_COMMAND_MASTER_ENABLE 0x00000004
|
|
#endif
|
|
|
|
#ifndef PCI_SUBCLASS_MASS_STORAGE_SCSI
|
|
#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);
|
|
}
|
|
|
|
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
|
|
/* Zero out all command counters */
|
|
bzero((void *)&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 */
|
|
|
|
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);
|
|
|
|
#ifdef DPT_ALLOW_MEMIO
|
|
if ( (command & PCI_COMMAND_MEM_ENABLE) == 0 ) {
|
|
#ifdef DPT_DEBUG_PCI
|
|
printf("dpt%d: Cannot be memory mapped\n", unit);
|
|
#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
|
|
}
|
|
}
|
|
|
|
#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) {
|
|
#ifdef DPT_DEBUG_WARN
|
|
printf("dpt%d: Failed to map interrupt :-(\n", unit);
|
|
#endif
|
|
free(dpt, M_DEVBUF);
|
|
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;
|
|
}
|
|
}
|
|
|
|
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 %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
|
|
dpt->devfs_data_token = devfs_add_devswf(&dpt_cdevsw, dpt->unit, DV_CHR,
|
|
UID_ROOT, GID_WHEEL, 0600,
|
|
"dpt%d", dpt->unit);
|
|
dpt->devfs_ctl_token = devfs_add_devswf(&dpt_cdevsw,
|
|
dpt->unit | SCSI_CONTROL_MASK,
|
|
DV_CHR,
|
|
UID_ROOT, GID_WHEEL, 0600,
|
|
"dpt%d.ctl", dpt->unit);
|
|
#endif
|
|
}
|
|
}
|
|
|
|
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:
|
|
*/
|