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Commit 8b8ee7f9 authored by Alan Cox's avatar Alan Cox Committed by Dave Jones
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[PATCH] in2000 new_eh and locking fixes

parent 19cd7f5f
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drivers/scsi/in2000.c
View file @ 8b8ee7f9
......@@ -16,6 +16,11 @@
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* For the avoidance of doubt the "preferred form" of this code is one which
* is in an open non patent encumbered format. Where cryptographic key signing
* forms part of the process of creating an executable the information
* including keys needed to generate an equivalently functional executable
* are deemed to be part of the source code.
*
* Drew Eckhardt's excellent 'Generic NCR5380' sources provided
* much of the inspiration and some of the code for this driver.
......@@ -102,6 +107,10 @@
* this thing into as good a shape as possible, and I'm positive
* there are lots of lurking bugs and "Stupid Places".
*
* Updated for Linux 2.5 by Alan Cox <alan@redhat.com>
* - Using new_eh handler
* - Hopefully got all the locking right again
* See "FIXME" notes for items that could do with more work
*/
#include <linux/module.h>
......@@ -121,8 +130,8 @@
#include "scsi.h"
#include "hosts.h"
#define IN2000_VERSION "1.33"
#define IN2000_DATE "26/August/1998"
#define IN2000_VERSION "1.33-2.5"
#define IN2000_DATE "2002/11/03"
#include "in2000.h"
......@@ -174,8 +183,7 @@
*/
/* Normally, no defaults are specified... */
static char *setup_args[] =
{"","","","","","","","",""};
static char *setup_args[] = { "", "", "", "", "", "", "", "", "" };
/* filled in by 'insmod' */
static char *setup_strings = 0;
......@@ -184,14 +192,9 @@ static char *setup_strings = 0;
MODULE_PARM(setup_strings, "s");
#endif
static struct Scsi_Host *instance_list = 0;
static inline uchar read_3393(struct IN2000_hostdata *hostdata, uchar reg_num)
{
write1_io(reg_num,IO_WD_ADDR);
write1_io(reg_num, IO_WD_ADDR);
return read1_io(IO_WD_DATA);
}
......@@ -201,8 +204,8 @@ static inline uchar read_3393(struct IN2000_hostdata *hostdata, uchar reg_num)
static inline void write_3393(struct IN2000_hostdata *hostdata, uchar reg_num, uchar value)
{
write1_io(reg_num,IO_WD_ADDR);
write1_io(value,IO_WD_DATA);
write1_io(reg_num, IO_WD_ADDR);
write1_io(value, IO_WD_DATA);
}
......@@ -210,21 +213,21 @@ static inline void write_3393_cmd(struct IN2000_hostdata *hostdata, uchar cmd)
{
/* while (READ_AUX_STAT() & ASR_CIP)
printk("|");*/
write1_io(WD_COMMAND,IO_WD_ADDR);
write1_io(cmd,IO_WD_DATA);
write1_io(WD_COMMAND, IO_WD_ADDR);
write1_io(cmd, IO_WD_DATA);
}
static uchar read_1_byte(struct IN2000_hostdata *hostdata)
{
uchar asr, x = 0;
uchar asr, x = 0;
write_3393(hostdata,WD_CONTROL, CTRL_IDI | CTRL_EDI | CTRL_POLLED);
write_3393_cmd(hostdata,WD_CMD_TRANS_INFO|0x80);
write_3393(hostdata, WD_CONTROL, CTRL_IDI | CTRL_EDI | CTRL_POLLED);
write_3393_cmd(hostdata, WD_CMD_TRANS_INFO | 0x80);
do {
asr = READ_AUX_STAT();
if (asr & ASR_DBR)
x = read_3393(hostdata,WD_DATA);
x = read_3393(hostdata, WD_DATA);
} while (!(asr & ASR_INT));
return x;
}
......@@ -232,18 +235,18 @@ uchar asr, x = 0;
static void write_3393_count(struct IN2000_hostdata *hostdata, unsigned long value)
{
write1_io(WD_TRANSFER_COUNT_MSB,IO_WD_ADDR);
write1_io((value >> 16),IO_WD_DATA);
write1_io((value >> 8),IO_WD_DATA);
write1_io(value,IO_WD_DATA);
write1_io(WD_TRANSFER_COUNT_MSB, IO_WD_ADDR);
write1_io((value >> 16), IO_WD_DATA);
write1_io((value >> 8), IO_WD_DATA);
write1_io(value, IO_WD_DATA);
}
static unsigned long read_3393_count(struct IN2000_hostdata *hostdata)
{
unsigned long value;
unsigned long value;
write1_io(WD_TRANSFER_COUNT_MSB,IO_WD_ADDR);
write1_io(WD_TRANSFER_COUNT_MSB, IO_WD_ADDR);
value = read1_io(IO_WD_DATA) << 16;
value |= read1_io(IO_WD_DATA) << 8;
value |= read1_io(IO_WD_DATA);
......@@ -256,19 +259,38 @@ unsigned long value;
* will be a DATA_OUT phase with this command, false otherwise.
* (Thanks to Joerg Dorchain for the research and suggestion.)
*/
static int is_dir_out(Scsi_Cmnd *cmd)
static int is_dir_out(Scsi_Cmnd * cmd)
{
switch (cmd->cmnd[0]) {
case WRITE_6: case WRITE_10: case WRITE_12:
case WRITE_LONG: case WRITE_SAME: case WRITE_BUFFER:
case WRITE_VERIFY: case WRITE_VERIFY_12:
case COMPARE: case COPY: case COPY_VERIFY:
case SEARCH_EQUAL: case SEARCH_HIGH: case SEARCH_LOW:
case SEARCH_EQUAL_12: case SEARCH_HIGH_12: case SEARCH_LOW_12:
case FORMAT_UNIT: case REASSIGN_BLOCKS: case RESERVE:
case MODE_SELECT: case MODE_SELECT_10: case LOG_SELECT:
case SEND_DIAGNOSTIC: case CHANGE_DEFINITION: case UPDATE_BLOCK:
case SET_WINDOW: case MEDIUM_SCAN: case SEND_VOLUME_TAG:
case WRITE_6:
case WRITE_10:
case WRITE_12:
case WRITE_LONG:
case WRITE_SAME:
case WRITE_BUFFER:
case WRITE_VERIFY:
case WRITE_VERIFY_12:
case COMPARE:
case COPY:
case COPY_VERIFY:
case SEARCH_EQUAL:
case SEARCH_HIGH:
case SEARCH_LOW:
case SEARCH_EQUAL_12:
case SEARCH_HIGH_12:
case SEARCH_LOW_12:
case FORMAT_UNIT:
case REASSIGN_BLOCKS:
case RESERVE:
case MODE_SELECT:
case MODE_SELECT_10:
case LOG_SELECT:
case SEND_DIAGNOSTIC:
case CHANGE_DEFINITION:
case UPDATE_BLOCK:
case SET_WINDOW:
case MEDIUM_SCAN:
case SEND_VOLUME_TAG:
case 0xea:
return 1;
default:
......@@ -279,23 +301,23 @@ static int is_dir_out(Scsi_Cmnd *cmd)
static struct sx_period sx_table[] = {
{ 1, 0x20},
{1, 0x20},
{252, 0x20},
{376, 0x30},
{500, 0x40},
{624, 0x50},
{752, 0x60},
{876, 0x70},
{1000,0x00},
{0, 0} };
{1000, 0x00},
{0, 0}
};
static int round_period(unsigned int period)
{
int x;
int x;
for (x=1; sx_table[x].period_ns; x++) {
if ((period <= sx_table[x-0].period_ns) &&
(period > sx_table[x-1].period_ns)) {
for (x = 1; sx_table[x].period_ns; x++) {
if ((period <= sx_table[x - 0].period_ns) && (period > sx_table[x - 1].period_ns)) {
return x;
}
}
......@@ -304,11 +326,11 @@ int x;
static uchar calc_sync_xfer(unsigned int period, unsigned int offset)
{
uchar result;
uchar result;
period *= 4; /* convert SDTR code to ns */
result = sx_table[round_period(period)].reg_value;
result |= (offset < OPTIMUM_SX_OFF)?offset:OPTIMUM_SX_OFF;
result |= (offset < OPTIMUM_SX_OFF) ? offset : OPTIMUM_SX_OFF;
return result;
}
......@@ -316,24 +338,22 @@ uchar result;
static void in2000_execute(struct Scsi_Host *instance);
static int in2000_queuecommand (Scsi_Cmnd *cmd, void (*done)(Scsi_Cmnd *))
static int in2000_queuecommand(Scsi_Cmnd * cmd, void (*done) (Scsi_Cmnd *))
{
struct Scsi_Host *instance;
struct IN2000_hostdata *hostdata;
Scsi_Cmnd *tmp;
unsigned long flags;
struct Scsi_Host *instance;
struct IN2000_hostdata *hostdata;
Scsi_Cmnd *tmp;
instance = cmd->host;
hostdata = (struct IN2000_hostdata *)instance->hostdata;
hostdata = (struct IN2000_hostdata *) instance->hostdata;
DB(DB_QUEUE_COMMAND,printk("Q-%d-%02x-%ld(",cmd->target,cmd->cmnd[0],cmd->pid))
DB(DB_QUEUE_COMMAND, printk("Q-%d-%02x-%ld(", cmd->target, cmd->cmnd[0], cmd->pid))
/* Set up a few fields in the Scsi_Cmnd structure for our own use:
* - host_scribble is the pointer to the next cmd in the input queue
* - scsi_done points to the routine we call when a cmd is finished
* - result is what you'd expect
*/
cmd->host_scribble = NULL;
cmd->scsi_done = done;
cmd->result = 0;
......@@ -354,15 +374,14 @@ DB(DB_QUEUE_COMMAND,printk("Q-%d-%02x-%ld(",cmd->target,cmd->cmnd[0],cmd->pid))
*/
if (cmd->use_sg) {
cmd->SCp.buffer = (struct scatterlist *)cmd->buffer;
cmd->SCp.buffer = (struct scatterlist *) cmd->buffer;
cmd->SCp.buffers_residual = cmd->use_sg - 1;
cmd->SCp.ptr = (char *)page_address(cmd->SCp.buffer->page)+cmd->SCp.buffer->offset;
cmd->SCp.ptr = (char *) page_address(cmd->SCp.buffer->page) + cmd->SCp.buffer->offset;
cmd->SCp.this_residual = cmd->SCp.buffer->length;
}
else {
} else {
cmd->SCp.buffer = NULL;
cmd->SCp.buffers_residual = 0;
cmd->SCp.ptr = (char *)cmd->request_buffer;
cmd->SCp.ptr = (char *) cmd->request_buffer;
cmd->SCp.this_residual = cmd->request_bufflen;
}
cmd->SCp.have_data_in = 0;
......@@ -392,7 +411,6 @@ DB(DB_QUEUE_COMMAND,printk("Q-%d-%02x-%ld(",cmd->target,cmd->cmnd[0],cmd->pid))
* queue and calling in2000_execute().
*/
spin_lock_irqsave(instance->host_lock, flags);
/*
* Add the cmd to the end of 'input_Q'. Note that REQUEST_SENSE
* commands are added to the head of the queue so that the desired
......@@ -400,14 +418,11 @@ DB(DB_QUEUE_COMMAND,printk("Q-%d-%02x-%ld(",cmd->target,cmd->cmnd[0],cmd->pid))
*/
if (!(hostdata->input_Q) || (cmd->cmnd[0] == REQUEST_SENSE)) {
cmd->host_scribble = (uchar *)hostdata->input_Q;
cmd->host_scribble = (uchar *) hostdata->input_Q;
hostdata->input_Q = cmd;
}
else { /* find the end of the queue */
for (tmp=(Scsi_Cmnd *)hostdata->input_Q; tmp->host_scribble;
tmp=(Scsi_Cmnd *)tmp->host_scribble)
;
tmp->host_scribble = (uchar *)cmd;
} else { /* find the end of the queue */
for (tmp = (Scsi_Cmnd *) hostdata->input_Q; tmp->host_scribble; tmp = (Scsi_Cmnd *) tmp->host_scribble);
tmp->host_scribble = (uchar *) cmd;
}
/* We know that there's at least one command in 'input_Q' now.
......@@ -416,8 +431,7 @@ DB(DB_QUEUE_COMMAND,printk("Q-%d-%02x-%ld(",cmd->target,cmd->cmnd[0],cmd->pid))
in2000_execute(cmd->host);
DB(DB_QUEUE_COMMAND,printk(")Q-%ld ",cmd->pid))
spin_unlock_irqrestore(instance->host_lock, flags);
DB(DB_QUEUE_COMMAND, printk(")Q-%ld ", cmd->pid))
return 0;
}
......@@ -431,23 +445,23 @@ DB(DB_QUEUE_COMMAND,printk(")Q-%ld ",cmd->pid))
* Note that this function is always called with interrupts already
* disabled (either from in2000_queuecommand() or in2000_intr()).
*/
static void in2000_execute (struct Scsi_Host *instance)
static void in2000_execute(struct Scsi_Host *instance)
{
struct IN2000_hostdata *hostdata;
Scsi_Cmnd *cmd, *prev;
int i;
unsigned short *sp;
unsigned short f;
unsigned short flushbuf[16];
struct IN2000_hostdata *hostdata;
Scsi_Cmnd *cmd, *prev;
int i;
unsigned short *sp;
unsigned short f;
unsigned short flushbuf[16];
hostdata = (struct IN2000_hostdata *)instance->hostdata;
hostdata = (struct IN2000_hostdata *) instance->hostdata;
DB(DB_EXECUTE,printk("EX("))
DB(DB_EXECUTE, printk("EX("))
if (hostdata->selecting || hostdata->connected) {
DB(DB_EXECUTE,printk(")EX-0 "))
DB(DB_EXECUTE, printk(")EX-0 "))
return;
}
......@@ -457,20 +471,20 @@ DB(DB_EXECUTE,printk(")EX-0 "))
* for an idle target/lun.
*/
cmd = (Scsi_Cmnd *)hostdata->input_Q;
cmd = (Scsi_Cmnd *) hostdata->input_Q;
prev = 0;
while (cmd) {
if (!(hostdata->busy[cmd->target] & (1 << cmd->lun)))
break;
prev = cmd;
cmd = (Scsi_Cmnd *)cmd->host_scribble;
cmd = (Scsi_Cmnd *) cmd->host_scribble;
}
/* quit if queue empty or all possible targets are busy */
if (!cmd) {
DB(DB_EXECUTE,printk(")EX-1 "))
DB(DB_EXECUTE, printk(")EX-1 "))
return;
}
......@@ -480,7 +494,7 @@ DB(DB_EXECUTE,printk(")EX-1 "))
if (prev)
prev->host_scribble = cmd->host_scribble;
else
hostdata->input_Q = (Scsi_Cmnd *)cmd->host_scribble;
hostdata->input_Q = (Scsi_Cmnd *) cmd->host_scribble;
#ifdef PROC_STATISTICS
hostdata->cmd_cnt[cmd->target]++;
......@@ -491,9 +505,9 @@ DB(DB_EXECUTE,printk(")EX-1 "))
*/
if (is_dir_out(cmd))
write_3393(hostdata,WD_DESTINATION_ID, cmd->target);
write_3393(hostdata, WD_DESTINATION_ID, cmd->target);
else
write_3393(hostdata,WD_DESTINATION_ID, cmd->target | DSTID_DPD);
write_3393(hostdata, WD_DESTINATION_ID, cmd->target | DSTID_DPD);
/* Now we need to figure out whether or not this command is a good
* candidate for disconnect/reselect. We guess to the best of our
......@@ -529,33 +543,30 @@ DB(DB_EXECUTE,printk(")EX-1 "))
goto yes;
if (!(hostdata->input_Q)) /* input_Q empty? */
goto no;
for (prev=(Scsi_Cmnd *)hostdata->input_Q; prev;
prev=(Scsi_Cmnd *)prev->host_scribble) {
for (prev = (Scsi_Cmnd *) hostdata->input_Q; prev; prev = (Scsi_Cmnd *) prev->host_scribble) {
if ((prev->target != cmd->target) || (prev->lun != cmd->lun)) {
for (prev=(Scsi_Cmnd *)hostdata->input_Q; prev;
prev=(Scsi_Cmnd *)prev->host_scribble)
for (prev = (Scsi_Cmnd *) hostdata->input_Q; prev; prev = (Scsi_Cmnd *) prev->host_scribble)
prev->SCp.phase = 1;
goto yes;
}
}
goto no;
yes:
yes:
cmd->SCp.phase = 1;
#ifdef PROC_STATISTICS
hostdata->disc_allowed_cnt[cmd->target]++;
#endif
no:
write_3393(hostdata,WD_SOURCE_ID,((cmd->SCp.phase)?SRCID_ER:0));
no:
write_3393(hostdata, WD_SOURCE_ID, ((cmd->SCp.phase) ? SRCID_ER : 0));
write_3393(hostdata,WD_TARGET_LUN, cmd->lun);
write_3393(hostdata,WD_SYNCHRONOUS_TRANSFER,hostdata->sync_xfer[cmd->target]);
write_3393(hostdata, WD_TARGET_LUN, cmd->lun);
write_3393(hostdata, WD_SYNCHRONOUS_TRANSFER, hostdata->sync_xfer[cmd->target]);
hostdata->busy[cmd->target] |= (1 << cmd->lun);
if ((hostdata->level2 <= L2_NONE) ||
(hostdata->sync_stat[cmd->target] == SS_UNSET)) {
if ((hostdata->level2 <= L2_NONE) || (hostdata->sync_stat[cmd->target] == SS_UNSET)) {
/*
* Do a 'Select-With-ATN' command. This will end with
......@@ -584,8 +595,8 @@ DB(DB_EXECUTE,printk(")EX-1 "))
hostdata->sync_stat[cmd->target] = SS_FIRST;
}
hostdata->state = S_SELECTING;
write_3393_count(hostdata,0); /* this guarantees a DATA_PHASE interrupt */
write_3393_cmd(hostdata,WD_CMD_SEL_ATN);
write_3393_count(hostdata, 0); /* this guarantees a DATA_PHASE interrupt */
write_3393_cmd(hostdata, WD_CMD_SEL_ATN);
}
else {
......@@ -599,14 +610,14 @@ DB(DB_EXECUTE,printk(")EX-1 "))
*/
hostdata->connected = cmd;
write_3393(hostdata,WD_COMMAND_PHASE, 0);
write_3393(hostdata, WD_COMMAND_PHASE, 0);
/* copy command_descriptor_block into WD chip
* (take advantage of auto-incrementing)
*/
write1_io(WD_CDB_1, IO_WD_ADDR);
for (i=0; i<cmd->cmd_len; i++)
for (i = 0; i < cmd->cmd_len; i++)
write1_io(cmd->cmnd[i], IO_WD_DATA);
/* The wd33c93 only knows about Group 0, 1, and 5 commands when
......@@ -637,16 +648,16 @@ DB(DB_EXECUTE,printk(")EX-1 "))
if (!(cmd->SCp.phase)) {
write_3393_count(hostdata, cmd->SCp.this_residual);
write_3393(hostdata,WD_CONTROL, CTRL_IDI | CTRL_EDI | CTRL_BUS);
write_3393(hostdata, WD_CONTROL, CTRL_IDI | CTRL_EDI | CTRL_BUS);
write1_io(0, IO_FIFO_WRITE); /* clear fifo counter, write mode */
if (is_dir_out(cmd)) {
hostdata->fifo = FI_FIFO_WRITING;
if ((i = cmd->SCp.this_residual) > (IN2000_FIFO_SIZE - 16) )
if ((i = cmd->SCp.this_residual) > (IN2000_FIFO_SIZE - 16))
i = IN2000_FIFO_SIZE - 16;
cmd->SCp.have_data_in = i; /* this much data in fifo */
i >>= 1; /* Gulp. Assuming modulo 2. */
sp = (unsigned short *)cmd->SCp.ptr;
sp = (unsigned short *) cmd->SCp.ptr;
f = hostdata->io_base + IO_FIFO;
#ifdef FAST_WRITE_IO
......@@ -654,7 +665,7 @@ DB(DB_EXECUTE,printk(")EX-1 "))
FAST_WRITE2_IO();
#else
while (i--)
write2_io(*sp++,IO_FIFO);
write2_io(*sp++, IO_FIFO);
#endif
......@@ -669,7 +680,7 @@ DB(DB_EXECUTE,printk(")EX-1 "))
FAST_WRITE2_IO();
#else
while (i--)
write2_io(0,IO_FIFO);
write2_io(0, IO_FIFO);
#endif
......@@ -682,12 +693,11 @@ DB(DB_EXECUTE,printk(")EX-1 "))
cmd->SCp.have_data_in = 0; /* nothing transferred yet */
}
}
else {
write_3393_count(hostdata,0); /* this guarantees a DATA_PHASE interrupt */
} else {
write_3393_count(hostdata, 0); /* this guarantees a DATA_PHASE interrupt */
}
hostdata->state = S_RUNNING_LEVEL2;
write_3393_cmd(hostdata,WD_CMD_SEL_ATN_XFER);
write_3393_cmd(hostdata, WD_CMD_SEL_ATN_XFER);
}
/*
......@@ -697,34 +707,32 @@ DB(DB_EXECUTE,printk(")EX-1 "))
* to search the input_Q again...
*/
DB(DB_EXECUTE,printk("%s%ld)EX-2 ",(cmd->SCp.phase)?"d:":"",cmd->pid))
DB(DB_EXECUTE, printk("%s%ld)EX-2 ", (cmd->SCp.phase) ? "d:" : "", cmd->pid))
}
static void transfer_pio(uchar *buf, int cnt,
int data_in_dir, struct IN2000_hostdata *hostdata)
static void transfer_pio(uchar * buf, int cnt, int data_in_dir, struct IN2000_hostdata *hostdata)
{
uchar asr;
uchar asr;
DB(DB_TRANSFER,printk("(%p,%d,%s)",buf,cnt,data_in_dir?"in":"out"))
DB(DB_TRANSFER, printk("(%p,%d,%s)", buf, cnt, data_in_dir ? "in" : "out"))
write_3393(hostdata,WD_CONTROL, CTRL_IDI | CTRL_EDI | CTRL_POLLED);
write_3393_count(hostdata,cnt);
write_3393_cmd(hostdata,WD_CMD_TRANS_INFO);
write_3393(hostdata, WD_CONTROL, CTRL_IDI | CTRL_EDI | CTRL_POLLED);
write_3393_count(hostdata, cnt);
write_3393_cmd(hostdata, WD_CMD_TRANS_INFO);
if (data_in_dir) {
do {
asr = READ_AUX_STAT();
if (asr & ASR_DBR)
*buf++ = read_3393(hostdata,WD_DATA);
*buf++ = read_3393(hostdata, WD_DATA);
} while (!(asr & ASR_INT));
}
else {
} else {
do {
asr = READ_AUX_STAT();
if (asr & ASR_DBR)
write_3393(hostdata,WD_DATA, *buf++);
write_3393(hostdata, WD_DATA, *buf++);
} while (!(asr & ASR_INT));
}
......@@ -739,14 +747,14 @@ DB(DB_TRANSFER,printk("(%p,%d,%s)",buf,cnt,data_in_dir?"in":"out"))
static void transfer_bytes(Scsi_Cmnd *cmd, int data_in_dir)
static void transfer_bytes(Scsi_Cmnd * cmd, int data_in_dir)
{
struct IN2000_hostdata *hostdata;
unsigned short *sp;
unsigned short f;
int i;
struct IN2000_hostdata *hostdata;
unsigned short *sp;
unsigned short f;
int i;
hostdata = (struct IN2000_hostdata *)cmd->host->hostdata;
hostdata = (struct IN2000_hostdata *) cmd->host->hostdata;
/* Normally, you'd expect 'this_residual' to be non-zero here.
* In a series of scatter-gather transfers, however, this
......@@ -765,25 +773,23 @@ int i;
/* Set up hardware registers */
write_3393(hostdata,WD_SYNCHRONOUS_TRANSFER,hostdata->sync_xfer[cmd->target]);
write_3393_count(hostdata,cmd->SCp.this_residual);
write_3393(hostdata,WD_CONTROL, CTRL_IDI | CTRL_EDI | CTRL_BUS);
write1_io(0,IO_FIFO_WRITE); /* zero counter, assume write */
write_3393(hostdata, WD_SYNCHRONOUS_TRANSFER, hostdata->sync_xfer[cmd->target]);
write_3393_count(hostdata, cmd->SCp.this_residual);
write_3393(hostdata, WD_CONTROL, CTRL_IDI | CTRL_EDI | CTRL_BUS);
write1_io(0, IO_FIFO_WRITE); /* zero counter, assume write */
/* Reading is easy. Just issue the command and return - we'll
* get an interrupt later when we have actual data to worry about.
*/
if (data_in_dir) {
write1_io(0,IO_FIFO_READ);
if ((hostdata->level2 >= L2_DATA) ||
(hostdata->level2 == L2_BASIC && cmd->SCp.phase == 0)) {
write_3393(hostdata,WD_COMMAND_PHASE,0x45);
write_3393_cmd(hostdata,WD_CMD_SEL_ATN_XFER);
write1_io(0, IO_FIFO_READ);
if ((hostdata->level2 >= L2_DATA) || (hostdata->level2 == L2_BASIC && cmd->SCp.phase == 0)) {
write_3393(hostdata, WD_COMMAND_PHASE, 0x45);
write_3393_cmd(hostdata, WD_CMD_SEL_ATN_XFER);
hostdata->state = S_RUNNING_LEVEL2;
}
else
write_3393_cmd(hostdata,WD_CMD_TRANS_INFO);
} else
write_3393_cmd(hostdata, WD_CMD_TRANS_INFO);
hostdata->fifo = FI_FIFO_READING;
cmd->SCp.have_data_in = 0;
return;
......@@ -794,16 +800,14 @@ int i;
* write any bytes that don't make it at this stage.
*/
if ((hostdata->level2 >= L2_DATA) ||
(hostdata->level2 == L2_BASIC && cmd->SCp.phase == 0)) {
write_3393(hostdata,WD_COMMAND_PHASE,0x45);
write_3393_cmd(hostdata,WD_CMD_SEL_ATN_XFER);
if ((hostdata->level2 >= L2_DATA) || (hostdata->level2 == L2_BASIC && cmd->SCp.phase == 0)) {
write_3393(hostdata, WD_COMMAND_PHASE, 0x45);
write_3393_cmd(hostdata, WD_CMD_SEL_ATN_XFER);
hostdata->state = S_RUNNING_LEVEL2;
}
else
write_3393_cmd(hostdata,WD_CMD_TRANS_INFO);
} else
write_3393_cmd(hostdata, WD_CMD_TRANS_INFO);
hostdata->fifo = FI_FIFO_WRITING;
sp = (unsigned short *)cmd->SCp.ptr;
sp = (unsigned short *) cmd->SCp.ptr;
if ((i = cmd->SCp.this_residual) > IN2000_FIFO_SIZE)
i = IN2000_FIFO_SIZE;
......@@ -816,7 +820,7 @@ int i;
FAST_WRITE2_IO();
#else
while (i--)
write2_io(*sp++,IO_FIFO);
write2_io(*sp++, IO_FIFO);
#endif
......@@ -829,19 +833,19 @@ int i;
* but it _does_ need to be able to compile and run in an SMP kernel.)
*/
static void in2000_intr (int irqnum, void * dev_id, struct pt_regs *ptregs)
static void in2000_intr(int irqnum, void *dev_id, struct pt_regs *ptregs)
{
struct Scsi_Host *instance = dev_id;
struct IN2000_hostdata *hostdata;
Scsi_Cmnd *patch, *cmd;
uchar asr, sr, phs, id, lun, *ucp, msg;
int i,j;
unsigned long length;
unsigned short *sp;
unsigned short f;
unsigned long flags;
hostdata = (struct IN2000_hostdata *)instance->hostdata;
struct Scsi_Host *instance = dev_id;
struct IN2000_hostdata *hostdata;
Scsi_Cmnd *patch, *cmd;
uchar asr, sr, phs, id, lun, *ucp, msg;
int i, j;
unsigned long length;
unsigned short *sp;
unsigned short f;
unsigned long flags;
hostdata = (struct IN2000_hostdata *) instance->hostdata;
/* Get the spin_lock and disable further ints, for SMP */
......@@ -909,14 +913,14 @@ unsigned long flags;
* (Big thanks to Bill Earnest for getting me out of the mud in here.)
*/
cmd = (Scsi_Cmnd *)hostdata->connected; /* assume we're connected */
CHECK_NULL(cmd,"fifo_int")
cmd = (Scsi_Cmnd *) hostdata->connected; /* assume we're connected */
CHECK_NULL(cmd, "fifo_int")
if (hostdata->fifo == FI_FIFO_READING) {
DB(DB_FIFO,printk("{R:%02x} ",read1_io(IO_FIFO_COUNT)))
DB(DB_FIFO, printk("{R:%02x} ", read1_io(IO_FIFO_COUNT)))
sp = (unsigned short *)(cmd->SCp.ptr + cmd->SCp.have_data_in);
sp = (unsigned short *) (cmd->SCp.ptr + cmd->SCp.have_data_in);
i = read1_io(IO_FIFO_COUNT) & 0xfe;
i <<= 2; /* # of words waiting in the fifo */
f = hostdata->io_base + IO_FIFO;
......@@ -930,14 +934,14 @@ DB(DB_FIFO,printk("{R:%02x} ",read1_io(IO_FIFO_COUNT)))
#endif
i = sp - (unsigned short *)(cmd->SCp.ptr + cmd->SCp.have_data_in);
i = sp - (unsigned short *) (cmd->SCp.ptr + cmd->SCp.have_data_in);
i <<= 1;
cmd->SCp.have_data_in += i;
}
else if (hostdata->fifo == FI_FIFO_WRITING) {
DB(DB_FIFO,printk("{W:%02x} ",read1_io(IO_FIFO_COUNT)))
DB(DB_FIFO, printk("{W:%02x} ", read1_io(IO_FIFO_COUNT)))
/* If all bytes have been written to the fifo, flush out the stragglers.
* Note that while writing 16 dummy words seems arbitrary, we don't
......@@ -949,11 +953,10 @@ DB(DB_FIFO,printk("{W:%02x} ",read1_io(IO_FIFO_COUNT)))
* UPDATE: Bill says this is exactly what Always does, so there.
* More thanks due him for help in this section.
*/
if (cmd->SCp.this_residual == cmd->SCp.have_data_in) {
i = 16;
while (i--) /* write 32 dummy bytes */
write2_io(0,IO_FIFO);
write2_io(0, IO_FIFO);
}
/* If there are still bytes left in the SCSI buffer, write as many as we
......@@ -961,16 +964,16 @@ DB(DB_FIFO,printk("{W:%02x} ",read1_io(IO_FIFO_COUNT)))
*/
else {
sp = (unsigned short *)(cmd->SCp.ptr + cmd->SCp.have_data_in);
sp = (unsigned short *) (cmd->SCp.ptr + cmd->SCp.have_data_in);
i = cmd->SCp.this_residual - cmd->SCp.have_data_in; /* bytes yet to go */
j = read1_io(IO_FIFO_COUNT) & 0xfe;
j <<= 2; /* how many words the fifo has room for */
if ((j << 1) > i)
j = (i >> 1);
while (j--)
write2_io(*sp++,IO_FIFO);
write2_io(*sp++, IO_FIFO);
i = sp - (unsigned short *)(cmd->SCp.ptr + cmd->SCp.have_data_in);
i = sp - (unsigned short *) (cmd->SCp.ptr + cmd->SCp.have_data_in);
i <<= 1;
cmd->SCp.have_data_in += i;
}
......@@ -992,9 +995,9 @@ DB(DB_FIFO,printk("{W:%02x} ",read1_io(IO_FIFO_COUNT)))
* detailed info from FIFO_READING and FIFO_WRITING (see below).
*/
cmd = (Scsi_Cmnd *)hostdata->connected; /* assume we're connected */
sr = read_3393(hostdata,WD_SCSI_STATUS); /* clear the interrupt */
phs = read_3393(hostdata,WD_COMMAND_PHASE);
cmd = (Scsi_Cmnd *) hostdata->connected; /* assume we're connected */
sr = read_3393(hostdata, WD_SCSI_STATUS); /* clear the interrupt */
phs = read_3393(hostdata, WD_COMMAND_PHASE);
if (!cmd && (sr != CSR_RESEL_AM && sr != CSR_TIMEOUT && sr != CSR_SELECT)) {
printk("\nNR:wd-intr-1\n");
......@@ -1005,7 +1008,7 @@ DB(DB_FIFO,printk("{W:%02x} ",read1_io(IO_FIFO_COUNT)))
return;
}
DB(DB_INTR,printk("{%02x:%02x-",asr,sr))
DB(DB_INTR, printk("{%02x:%02x-", asr, sr))
/* After starting a FIFO-based transfer, the next _WD3393_ interrupt is
* guaranteed to be in response to the completion of the transfer.
......@@ -1019,12 +1022,11 @@ DB(DB_INTR,printk("{%02x:%02x-",asr,sr))
* After doing whatever is necessary with the fifo, we go on and
* service the WD3393 interrupt normally.
*/
if (hostdata->fifo == FI_FIFO_READING) {
/* buffer index = start-of-buffer + #-of-bytes-already-read */
sp = (unsigned short *)(cmd->SCp.ptr + cmd->SCp.have_data_in);
sp = (unsigned short *) (cmd->SCp.ptr + cmd->SCp.have_data_in);
/* bytes remaining in fifo = (total-wanted - #-not-got) - #-already-read */
......@@ -1046,7 +1048,7 @@ DB(DB_INTR,printk("{%02x:%02x-",asr,sr))
cmd->SCp.this_residual = read_3393_count(hostdata);
cmd->SCp.ptr += (length - cmd->SCp.this_residual);
DB(DB_TRANSFER,printk("(%p,%d)",cmd->SCp.ptr,cmd->SCp.this_residual))
DB(DB_TRANSFER, printk("(%p,%d)", cmd->SCp.ptr, cmd->SCp.this_residual))
}
......@@ -1056,7 +1058,7 @@ DB(DB_TRANSFER,printk("(%p,%d)",cmd->SCp.ptr,cmd->SCp.this_residual))
cmd->SCp.this_residual = read_3393_count(hostdata);
cmd->SCp.ptr += (length - cmd->SCp.this_residual);
DB(DB_TRANSFER,printk("(%p,%d)",cmd->SCp.ptr,cmd->SCp.this_residual))
DB(DB_TRANSFER, printk("(%p,%d)", cmd->SCp.ptr, cmd->SCp.this_residual))
}
......@@ -1065,13 +1067,13 @@ DB(DB_TRANSFER,printk("(%p,%d)",cmd->SCp.ptr,cmd->SCp.this_residual))
switch (sr) {
case CSR_TIMEOUT:
DB(DB_INTR,printk("TIMEOUT"))
DB(DB_INTR, printk("TIMEOUT"))
if (hostdata->state == S_RUNNING_LEVEL2)
hostdata->connected = NULL;
else {
cmd = (Scsi_Cmnd *)hostdata->selecting; /* get a valid cmd */
CHECK_NULL(cmd,"csr_timeout")
cmd = (Scsi_Cmnd *) hostdata->selecting; /* get a valid cmd */
CHECK_NULL(cmd, "csr_timeout")
hostdata->selecting = NULL;
}
......@@ -1091,9 +1093,9 @@ CHECK_NULL(cmd,"csr_timeout")
/* Note: this interrupt should not occur in a LEVEL2 command */
case CSR_SELECT:
DB(DB_INTR,printk("SELECT"))
hostdata->connected = cmd = (Scsi_Cmnd *)hostdata->selecting;
CHECK_NULL(cmd,"csr_select")
DB(DB_INTR, printk("SELECT"))
hostdata->connected = cmd = (Scsi_Cmnd *) hostdata->selecting;
CHECK_NULL(cmd, "csr_select")
hostdata->selecting = NULL;
/* construct an IDENTIFY message with correct disconnect bit */
......@@ -1104,7 +1106,7 @@ CHECK_NULL(cmd,"csr_select")
if (hostdata->sync_stat[cmd->target] == SS_FIRST) {
#ifdef SYNC_DEBUG
printk(" sending SDTR ");
printk(" sending SDTR ");
#endif
hostdata->sync_stat[cmd->target] = SS_WAITING;
......@@ -1114,31 +1116,30 @@ printk(" sending SDTR ");
hostdata->outgoing_msg[1] = EXTENDED_MESSAGE;
hostdata->outgoing_msg[2] = 3;
hostdata->outgoing_msg[3] = EXTENDED_SDTR;
hostdata->outgoing_msg[4] = OPTIMUM_SX_PER/4;
hostdata->outgoing_msg[4] = OPTIMUM_SX_PER / 4;
hostdata->outgoing_msg[5] = OPTIMUM_SX_OFF;
hostdata->outgoing_len = 6;
}
else
} else
hostdata->outgoing_len = 1;
hostdata->state = S_CONNECTED;
break;
case CSR_XFER_DONE|PHS_DATA_IN:
case CSR_UNEXP |PHS_DATA_IN:
case CSR_SRV_REQ |PHS_DATA_IN:
DB(DB_INTR,printk("IN-%d.%d",cmd->SCp.this_residual,cmd->SCp.buffers_residual))
case CSR_XFER_DONE | PHS_DATA_IN:
case CSR_UNEXP | PHS_DATA_IN:
case CSR_SRV_REQ | PHS_DATA_IN:
DB(DB_INTR, printk("IN-%d.%d", cmd->SCp.this_residual, cmd->SCp.buffers_residual))
transfer_bytes(cmd, DATA_IN_DIR);
if (hostdata->state != S_RUNNING_LEVEL2)
hostdata->state = S_CONNECTED;
break;
case CSR_XFER_DONE|PHS_DATA_OUT:
case CSR_UNEXP |PHS_DATA_OUT:
case CSR_SRV_REQ |PHS_DATA_OUT:
DB(DB_INTR,printk("OUT-%d.%d",cmd->SCp.this_residual,cmd->SCp.buffers_residual))
case CSR_XFER_DONE | PHS_DATA_OUT:
case CSR_UNEXP | PHS_DATA_OUT:
case CSR_SRV_REQ | PHS_DATA_OUT:
DB(DB_INTR, printk("OUT-%d.%d", cmd->SCp.this_residual, cmd->SCp.buffers_residual))
transfer_bytes(cmd, DATA_OUT_DIR);
if (hostdata->state != S_RUNNING_LEVEL2)
hostdata->state = S_CONNECTED;
......@@ -1147,41 +1148,40 @@ DB(DB_INTR,printk("OUT-%d.%d",cmd->SCp.this_residual,cmd->SCp.buffers_residual))
/* Note: this interrupt should not occur in a LEVEL2 command */
case CSR_XFER_DONE|PHS_COMMAND:
case CSR_UNEXP |PHS_COMMAND:
case CSR_SRV_REQ |PHS_COMMAND:
DB(DB_INTR,printk("CMND-%02x,%ld",cmd->cmnd[0],cmd->pid))
case CSR_XFER_DONE | PHS_COMMAND:
case CSR_UNEXP | PHS_COMMAND:
case CSR_SRV_REQ | PHS_COMMAND:
DB(DB_INTR, printk("CMND-%02x,%ld", cmd->cmnd[0], cmd->pid))
transfer_pio(cmd->cmnd, cmd->cmd_len, DATA_OUT_DIR, hostdata);
hostdata->state = S_CONNECTED;
break;
case CSR_XFER_DONE|PHS_STATUS:
case CSR_UNEXP |PHS_STATUS:
case CSR_SRV_REQ |PHS_STATUS:
DB(DB_INTR,printk("STATUS="))
case CSR_XFER_DONE | PHS_STATUS:
case CSR_UNEXP | PHS_STATUS:
case CSR_SRV_REQ | PHS_STATUS:
DB(DB_INTR, printk("STATUS="))
cmd->SCp.Status = read_1_byte(hostdata);
DB(DB_INTR,printk("%02x",cmd->SCp.Status))
DB(DB_INTR, printk("%02x", cmd->SCp.Status))
if (hostdata->level2 >= L2_BASIC) {
sr = read_3393(hostdata,WD_SCSI_STATUS); /* clear interrupt */
sr = read_3393(hostdata, WD_SCSI_STATUS); /* clear interrupt */
hostdata->state = S_RUNNING_LEVEL2;
write_3393(hostdata,WD_COMMAND_PHASE, 0x50);
write_3393_cmd(hostdata,WD_CMD_SEL_ATN_XFER);
}
else {
write_3393(hostdata, WD_COMMAND_PHASE, 0x50);
write_3393_cmd(hostdata, WD_CMD_SEL_ATN_XFER);
} else {
hostdata->state = S_CONNECTED;
}
break;
case CSR_XFER_DONE|PHS_MESS_IN:
case CSR_UNEXP |PHS_MESS_IN:
case CSR_SRV_REQ |PHS_MESS_IN:
DB(DB_INTR,printk("MSG_IN="))
case CSR_XFER_DONE | PHS_MESS_IN:
case CSR_UNEXP | PHS_MESS_IN:
case CSR_SRV_REQ | PHS_MESS_IN:
DB(DB_INTR, printk("MSG_IN="))
msg = read_1_byte(hostdata);
sr = read_3393(hostdata,WD_SCSI_STATUS); /* clear interrupt */
sr = read_3393(hostdata, WD_SCSI_STATUS); /* clear interrupt */
hostdata->incoming_msg[hostdata->incoming_ptr] = msg;
if (hostdata->incoming_msg[0] == EXTENDED_MESSAGE)
......@@ -1193,64 +1193,62 @@ DB(DB_INTR,printk("MSG_IN="))
switch (msg) {
case COMMAND_COMPLETE:
DB(DB_INTR,printk("CCMP-%ld",cmd->pid))
write_3393_cmd(hostdata,WD_CMD_NEGATE_ACK);
DB(DB_INTR, printk("CCMP-%ld", cmd->pid))
write_3393_cmd(hostdata, WD_CMD_NEGATE_ACK);
hostdata->state = S_PRE_CMP_DISC;
break;
case SAVE_POINTERS:
DB(DB_INTR,printk("SDP"))
write_3393_cmd(hostdata,WD_CMD_NEGATE_ACK);
DB(DB_INTR, printk("SDP"))
write_3393_cmd(hostdata, WD_CMD_NEGATE_ACK);
hostdata->state = S_CONNECTED;
break;
case RESTORE_POINTERS:
DB(DB_INTR,printk("RDP"))
DB(DB_INTR, printk("RDP"))
if (hostdata->level2 >= L2_BASIC) {
write_3393(hostdata,WD_COMMAND_PHASE, 0x45);
write_3393_cmd(hostdata,WD_CMD_SEL_ATN_XFER);
write_3393(hostdata, WD_COMMAND_PHASE, 0x45);
write_3393_cmd(hostdata, WD_CMD_SEL_ATN_XFER);
hostdata->state = S_RUNNING_LEVEL2;
}
else {
write_3393_cmd(hostdata,WD_CMD_NEGATE_ACK);
} else {
write_3393_cmd(hostdata, WD_CMD_NEGATE_ACK);
hostdata->state = S_CONNECTED;
}
break;
case DISCONNECT:
DB(DB_INTR,printk("DIS"))
DB(DB_INTR, printk("DIS"))
cmd->device->disconnect = 1;
write_3393_cmd(hostdata,WD_CMD_NEGATE_ACK);
write_3393_cmd(hostdata, WD_CMD_NEGATE_ACK);
hostdata->state = S_PRE_TMP_DISC;
break;
case MESSAGE_REJECT:
DB(DB_INTR,printk("REJ"))
DB(DB_INTR, printk("REJ"))
#ifdef SYNC_DEBUG
printk("-REJ-");
printk("-REJ-");
#endif
if (hostdata->sync_stat[cmd->target] == SS_WAITING)
hostdata->sync_stat[cmd->target] = SS_SET;
write_3393_cmd(hostdata,WD_CMD_NEGATE_ACK);
write_3393_cmd(hostdata, WD_CMD_NEGATE_ACK);
hostdata->state = S_CONNECTED;
break;
case EXTENDED_MESSAGE:
DB(DB_INTR,printk("EXT"))
DB(DB_INTR, printk("EXT"))
ucp = hostdata->incoming_msg;
#ifdef SYNC_DEBUG
printk("%02x",ucp[hostdata->incoming_ptr]);
printk("%02x", ucp[hostdata->incoming_ptr]);
#endif
/* Is this the last byte of the extended message? */
if ((hostdata->incoming_ptr >= 2) &&
(hostdata->incoming_ptr == (ucp[1] + 1))) {
if ((hostdata->incoming_ptr >= 2) && (hostdata->incoming_ptr == (ucp[1] + 1))) {
switch (ucp[2]) { /* what's the EXTENDED code? */
case EXTENDED_SDTR:
id = calc_sync_xfer(ucp[3],ucp[4]);
id = calc_sync_xfer(ucp[3], ucp[4]);
if (hostdata->sync_stat[cmd->target] != SS_WAITING) {
/* A device has sent an unsolicited SDTR message; rather than go
......@@ -1262,43 +1260,41 @@ printk("%02x",ucp[hostdata->incoming_ptr]);
* specifically ask for sync transfers, we won't do any.
*/
write_3393_cmd(hostdata,WD_CMD_ASSERT_ATN); /* want MESS_OUT */
write_3393_cmd(hostdata, WD_CMD_ASSERT_ATN); /* want MESS_OUT */
hostdata->outgoing_msg[0] = EXTENDED_MESSAGE;
hostdata->outgoing_msg[1] = 3;
hostdata->outgoing_msg[2] = EXTENDED_SDTR;
hostdata->outgoing_msg[3] = hostdata->default_sx_per/4;
hostdata->outgoing_msg[3] = hostdata->default_sx_per / 4;
hostdata->outgoing_msg[4] = 0;
hostdata->outgoing_len = 5;
hostdata->sync_xfer[cmd->target] =
calc_sync_xfer(hostdata->default_sx_per/4,0);
}
else {
hostdata->sync_xfer[cmd->target] = calc_sync_xfer(hostdata->default_sx_per / 4, 0);
} else {
hostdata->sync_xfer[cmd->target] = id;
}
#ifdef SYNC_DEBUG
printk("sync_xfer=%02x",hostdata->sync_xfer[cmd->target]);
printk("sync_xfer=%02x", hostdata->sync_xfer[cmd->target]);
#endif
hostdata->sync_stat[cmd->target] = SS_SET;
write_3393_cmd(hostdata,WD_CMD_NEGATE_ACK);
write_3393_cmd(hostdata, WD_CMD_NEGATE_ACK);
hostdata->state = S_CONNECTED;
break;
case EXTENDED_WDTR:
write_3393_cmd(hostdata,WD_CMD_ASSERT_ATN); /* want MESS_OUT */
write_3393_cmd(hostdata, WD_CMD_ASSERT_ATN); /* want MESS_OUT */
printk("sending WDTR ");
hostdata->outgoing_msg[0] = EXTENDED_MESSAGE;
hostdata->outgoing_msg[1] = 2;
hostdata->outgoing_msg[2] = EXTENDED_WDTR;
hostdata->outgoing_msg[3] = 0; /* 8 bit transfer width */
hostdata->outgoing_len = 4;
write_3393_cmd(hostdata,WD_CMD_NEGATE_ACK);
write_3393_cmd(hostdata, WD_CMD_NEGATE_ACK);
hostdata->state = S_CONNECTED;
break;
default:
write_3393_cmd(hostdata,WD_CMD_ASSERT_ATN); /* want MESS_OUT */
printk("Rejecting Unknown Extended Message(%02x). ",ucp[2]);
write_3393_cmd(hostdata, WD_CMD_ASSERT_ATN); /* want MESS_OUT */
printk("Rejecting Unknown Extended Message(%02x). ", ucp[2]);
hostdata->outgoing_msg[0] = MESSAGE_REJECT;
hostdata->outgoing_len = 1;
write_3393_cmd(hostdata,WD_CMD_NEGATE_ACK);
write_3393_cmd(hostdata, WD_CMD_NEGATE_ACK);
hostdata->state = S_CONNECTED;
break;
}
......@@ -1309,17 +1305,17 @@ printk("sync_xfer=%02x",hostdata->sync_xfer[cmd->target]);
else {
hostdata->incoming_ptr++;
write_3393_cmd(hostdata,WD_CMD_NEGATE_ACK);
write_3393_cmd(hostdata, WD_CMD_NEGATE_ACK);
hostdata->state = S_CONNECTED;
}
break;
default:
printk("Rejecting Unknown Message(%02x) ",msg);
write_3393_cmd(hostdata,WD_CMD_ASSERT_ATN); /* want MESS_OUT */
printk("Rejecting Unknown Message(%02x) ", msg);
write_3393_cmd(hostdata, WD_CMD_ASSERT_ATN); /* want MESS_OUT */
hostdata->outgoing_msg[0] = MESSAGE_REJECT;
hostdata->outgoing_len = 1;
write_3393_cmd(hostdata,WD_CMD_NEGATE_ACK);
write_3393_cmd(hostdata, WD_CMD_NEGATE_ACK);
hostdata->state = S_CONNECTED;
}
break;
......@@ -1333,12 +1329,12 @@ printk("sync_xfer=%02x",hostdata->sync_xfer[cmd->target]);
* have been turned off for the command that just completed.
*/
write_3393(hostdata,WD_SOURCE_ID, SRCID_ER);
write_3393(hostdata, WD_SOURCE_ID, SRCID_ER);
if (phs == 0x60) {
DB(DB_INTR,printk("SX-DONE-%ld",cmd->pid))
DB(DB_INTR, printk("SX-DONE-%ld", cmd->pid))
cmd->SCp.Message = COMMAND_COMPLETE;
lun = read_3393(hostdata,WD_TARGET_LUN);
DB(DB_INTR,printk(":%d.%d",cmd->SCp.Status,lun))
lun = read_3393(hostdata, WD_TARGET_LUN);
DB(DB_INTR, printk(":%d.%d", cmd->SCp.Status, lun))
hostdata->connected = NULL;
hostdata->busy[cmd->target] &= ~(1 << cmd->lun);
hostdata->state = S_UNCONNECTED;
......@@ -1355,9 +1351,8 @@ DB(DB_INTR,printk(":%d.%d",cmd->SCp.Status,lun))
*/
in2000_execute(instance);
}
else {
printk("%02x:%02x:%02x-%ld: Unknown SEL_XFER_DONE phase!!---",asr,sr,phs,cmd->pid);
} else {
printk("%02x:%02x:%02x-%ld: Unknown SEL_XFER_DONE phase!!---", asr, sr, phs, cmd->pid);
}
break;
......@@ -1365,17 +1360,17 @@ DB(DB_INTR,printk(":%d.%d",cmd->SCp.Status,lun))
/* Note: this interrupt will occur only after a LEVEL2 command */
case CSR_SDP:
DB(DB_INTR,printk("SDP"))
DB(DB_INTR, printk("SDP"))
hostdata->state = S_RUNNING_LEVEL2;
write_3393(hostdata,WD_COMMAND_PHASE, 0x41);
write_3393_cmd(hostdata,WD_CMD_SEL_ATN_XFER);
write_3393(hostdata, WD_COMMAND_PHASE, 0x41);
write_3393_cmd(hostdata, WD_CMD_SEL_ATN_XFER);
break;
case CSR_XFER_DONE|PHS_MESS_OUT:
case CSR_UNEXP |PHS_MESS_OUT:
case CSR_SRV_REQ |PHS_MESS_OUT:
DB(DB_INTR,printk("MSG_OUT="))
case CSR_XFER_DONE | PHS_MESS_OUT:
case CSR_UNEXP | PHS_MESS_OUT:
case CSR_SRV_REQ | PHS_MESS_OUT:
DB(DB_INTR, printk("MSG_OUT="))
/* To get here, we've probably requested MESSAGE_OUT and have
* already put the correct bytes in outgoing_msg[] and filled
......@@ -1389,14 +1384,12 @@ DB(DB_INTR,printk("MSG_OUT="))
* NOP messages in these situations results in no harm and
* makes everyone happy.
*/
if (hostdata->outgoing_len == 0) {
hostdata->outgoing_len = 1;
hostdata->outgoing_msg[0] = NOP;
}
transfer_pio(hostdata->outgoing_msg, hostdata->outgoing_len,
DATA_OUT_DIR, hostdata);
DB(DB_INTR,printk("%02x",hostdata->outgoing_msg[0]))
transfer_pio(hostdata->outgoing_msg, hostdata->outgoing_len, DATA_OUT_DIR, hostdata);
DB(DB_INTR, printk("%02x", hostdata->outgoing_msg[0]))
hostdata->outgoing_len = 0;
hostdata->state = S_CONNECTED;
break;
......@@ -1417,7 +1410,7 @@ DB(DB_INTR,printk("%02x",hostdata->outgoing_msg[0]))
* have been turned off for the command that just completed.
*/
write_3393(hostdata,WD_SOURCE_ID, SRCID_ER);
write_3393(hostdata, WD_SOURCE_ID, SRCID_ER);
if (cmd == NULL) {
printk(" - Already disconnected! ");
hostdata->state = S_UNCONNECTED;
......@@ -1426,7 +1419,7 @@ DB(DB_INTR,printk("%02x",hostdata->outgoing_msg[0]))
spin_unlock_irqrestore(instance->host_lock, flags);
return;
}
DB(DB_INTR,printk("UNEXP_DISC-%ld",cmd->pid))
DB(DB_INTR, printk("UNEXP_DISC-%ld", cmd->pid))
hostdata->connected = NULL;
hostdata->busy[cmd->target] &= ~(1 << cmd->lun);
hostdata->state = S_UNCONNECTED;
......@@ -1450,8 +1443,8 @@ DB(DB_INTR,printk("UNEXP_DISC-%ld",cmd->pid))
* have been turned off for the command that just completed.
*/
write_3393(hostdata,WD_SOURCE_ID, SRCID_ER);
DB(DB_INTR,printk("DISC-%ld",cmd->pid))
write_3393(hostdata, WD_SOURCE_ID, SRCID_ER);
DB(DB_INTR, printk("DISC-%ld", cmd->pid))
if (cmd == NULL) {
printk(" - Already disconnected! ");
hostdata->state = S_UNCONNECTED;
......@@ -1461,7 +1454,7 @@ DB(DB_INTR,printk("DISC-%ld",cmd->pid))
hostdata->connected = NULL;
hostdata->busy[cmd->target] &= ~(1 << cmd->lun);
hostdata->state = S_UNCONNECTED;
DB(DB_INTR,printk(":%d",cmd->SCp.Status))
DB(DB_INTR, printk(":%d", cmd->SCp.Status))
if (cmd->cmnd[0] == REQUEST_SENSE && cmd->SCp.Status != GOOD)
cmd->result = (cmd->result & 0x00ffff) | (DID_ERROR << 16);
else
......@@ -1470,7 +1463,7 @@ DB(DB_INTR,printk(":%d",cmd->SCp.Status))
break;
case S_PRE_TMP_DISC:
case S_RUNNING_LEVEL2:
cmd->host_scribble = (uchar *)hostdata->disconnected_Q;
cmd->host_scribble = (uchar *) hostdata->disconnected_Q;
hostdata->disconnected_Q = cmd;
hostdata->connected = NULL;
hostdata->state = S_UNCONNECTED;
......@@ -1494,19 +1487,18 @@ DB(DB_INTR,printk(":%d",cmd->SCp.Status))
case CSR_RESEL_AM:
DB(DB_INTR,printk("RESEL"))
DB(DB_INTR, printk("RESEL"))
/* First we have to make sure this reselection didn't */
/* happen during Arbitration/Selection of some other device. */
/* If yes, put losing command back on top of input_Q. */
if (hostdata->level2 <= L2_NONE) {
if (hostdata->selecting) {
cmd = (Scsi_Cmnd *)hostdata->selecting;
cmd = (Scsi_Cmnd *) hostdata->selecting;
hostdata->selecting = NULL;
hostdata->busy[cmd->target] &= ~(1 << cmd->lun);
cmd->host_scribble = (uchar *)hostdata->input_Q;
cmd->host_scribble = (uchar *) hostdata->input_Q;
hostdata->input_Q = cmd;
}
}
......@@ -1516,11 +1508,10 @@ DB(DB_INTR,printk("RESEL"))
if (cmd) {
if (phs == 0x00) {
hostdata->busy[cmd->target] &= ~(1 << cmd->lun);
cmd->host_scribble = (uchar *)hostdata->input_Q;
cmd->host_scribble = (uchar *) hostdata->input_Q;
hostdata->input_Q = cmd;
}
else {
printk("---%02x:%02x:%02x-TROUBLE: Intrusive ReSelect!---",asr,sr,phs);
} else {
printk("---%02x:%02x:%02x-TROUBLE: Intrusive ReSelect!---", asr, sr, phs);
while (1)
printk("\r");
}
......@@ -1530,7 +1521,7 @@ DB(DB_INTR,printk("RESEL"))
/* OK - find out which device reselected us. */
id = read_3393(hostdata,WD_SOURCE_ID);
id = read_3393(hostdata, WD_SOURCE_ID);
id &= SRCID_MASK;
/* and extract the lun from the ID message. (Note that we don't
......@@ -1538,26 +1529,26 @@ DB(DB_INTR,printk("RESEL"))
* not the right way to go, but....)
*/
lun = read_3393(hostdata,WD_DATA);
lun = read_3393(hostdata, WD_DATA);
if (hostdata->level2 < L2_RESELECT)
write_3393_cmd(hostdata,WD_CMD_NEGATE_ACK);
write_3393_cmd(hostdata, WD_CMD_NEGATE_ACK);
lun &= 7;
/* Now we look for the command that's reconnecting. */
cmd = (Scsi_Cmnd *)hostdata->disconnected_Q;
cmd = (Scsi_Cmnd *) hostdata->disconnected_Q;
patch = NULL;
while (cmd) {
if (id == cmd->target && lun == cmd->lun)
break;
patch = cmd;
cmd = (Scsi_Cmnd *)cmd->host_scribble;
cmd = (Scsi_Cmnd *) cmd->host_scribble;
}
/* Hmm. Couldn't find a valid command.... What to do? */
if (!cmd) {
printk("---TROUBLE: target %d.%d not in disconnect queue---",id,lun);
printk("---TROUBLE: target %d.%d not in disconnect queue---", id, lun);
break;
}
......@@ -1566,7 +1557,7 @@ DB(DB_INTR,printk("RESEL"))
if (patch)
patch->host_scribble = cmd->host_scribble;
else
hostdata->disconnected_Q = (Scsi_Cmnd *)cmd->host_scribble;
hostdata->disconnected_Q = (Scsi_Cmnd *) cmd->host_scribble;
hostdata->connected = cmd;
/* We don't need to worry about 'initialize_SCp()' or 'hostdata->busy[]'
......@@ -1575,28 +1566,27 @@ DB(DB_INTR,printk("RESEL"))
*/
if (is_dir_out(cmd))
write_3393(hostdata,WD_DESTINATION_ID,cmd->target);
write_3393(hostdata, WD_DESTINATION_ID, cmd->target);
else
write_3393(hostdata,WD_DESTINATION_ID,cmd->target | DSTID_DPD);
write_3393(hostdata, WD_DESTINATION_ID, cmd->target | DSTID_DPD);
if (hostdata->level2 >= L2_RESELECT) {
write_3393_count(hostdata,0); /* we want a DATA_PHASE interrupt */
write_3393(hostdata,WD_COMMAND_PHASE, 0x45);
write_3393_cmd(hostdata,WD_CMD_SEL_ATN_XFER);
write_3393_count(hostdata, 0); /* we want a DATA_PHASE interrupt */
write_3393(hostdata, WD_COMMAND_PHASE, 0x45);
write_3393_cmd(hostdata, WD_CMD_SEL_ATN_XFER);
hostdata->state = S_RUNNING_LEVEL2;
}
else
} else
hostdata->state = S_CONNECTED;
DB(DB_INTR,printk("-%ld",cmd->pid))
DB(DB_INTR, printk("-%ld", cmd->pid))
break;
default:
printk("--UNKNOWN INTERRUPT:%02x:%02x:%02x--",asr,sr,phs);
printk("--UNKNOWN INTERRUPT:%02x:%02x:%02x--", asr, sr, phs);
}
write1_io(0, IO_LED_OFF);
DB(DB_INTR,printk("} "))
DB(DB_INTR, printk("} "))
/* release the SMP spin_lock and restore irq state */
spin_unlock_irqrestore(instance->host_lock, flags);
......@@ -1615,65 +1605,61 @@ DB(DB_INTR,printk("} "))
static int reset_hardware(struct Scsi_Host *instance, int type)
{
struct IN2000_hostdata *hostdata;
int qt,x;
struct IN2000_hostdata *hostdata;
int qt, x;
hostdata = (struct IN2000_hostdata *)instance->hostdata;
hostdata = (struct IN2000_hostdata *) instance->hostdata;
write1_io(0, IO_LED_ON);
if (type == RESET_CARD_AND_BUS) {
write1_io(0,IO_CARD_RESET);
write1_io(0, IO_CARD_RESET);
x = read1_io(IO_HARDWARE);
}
x = read_3393(hostdata,WD_SCSI_STATUS); /* clear any WD intrpt */
write_3393(hostdata,WD_OWN_ID, instance->this_id |
OWNID_EAF | OWNID_RAF | OWNID_FS_8);
write_3393(hostdata,WD_CONTROL, CTRL_IDI | CTRL_EDI | CTRL_POLLED);
write_3393(hostdata,WD_SYNCHRONOUS_TRANSFER,
calc_sync_xfer(hostdata->default_sx_per/4,DEFAULT_SX_OFF));
x = read_3393(hostdata, WD_SCSI_STATUS); /* clear any WD intrpt */
write_3393(hostdata, WD_OWN_ID, instance->this_id | OWNID_EAF | OWNID_RAF | OWNID_FS_8);
write_3393(hostdata, WD_CONTROL, CTRL_IDI | CTRL_EDI | CTRL_POLLED);
write_3393(hostdata, WD_SYNCHRONOUS_TRANSFER, calc_sync_xfer(hostdata->default_sx_per / 4, DEFAULT_SX_OFF));
write1_io(0,IO_FIFO_WRITE); /* clear fifo counter */
write1_io(0,IO_FIFO_READ); /* start fifo out in read mode */
write_3393(hostdata,WD_COMMAND, WD_CMD_RESET);
write1_io(0, IO_FIFO_WRITE); /* clear fifo counter */
write1_io(0, IO_FIFO_READ); /* start fifo out in read mode */
write_3393(hostdata, WD_COMMAND, WD_CMD_RESET);
/* FIXME: timeout ?? */
while (!(READ_AUX_STAT() & ASR_INT))
cpu_relax(); /* wait for RESET to complete */
x = read_3393(hostdata,WD_SCSI_STATUS); /* clear interrupt */
x = read_3393(hostdata, WD_SCSI_STATUS); /* clear interrupt */
write_3393(hostdata,WD_QUEUE_TAG,0xa5); /* any random number */
qt = read_3393(hostdata,WD_QUEUE_TAG);
write_3393(hostdata, WD_QUEUE_TAG, 0xa5); /* any random number */
qt = read_3393(hostdata, WD_QUEUE_TAG);
if (qt == 0xa5) {
x |= B_FLAG;
write_3393(hostdata,WD_QUEUE_TAG,0);
write_3393(hostdata, WD_QUEUE_TAG, 0);
}
write_3393(hostdata,WD_TIMEOUT_PERIOD, TIMEOUT_PERIOD_VALUE);
write_3393(hostdata,WD_CONTROL, CTRL_IDI | CTRL_EDI | CTRL_POLLED);
write_3393(hostdata, WD_TIMEOUT_PERIOD, TIMEOUT_PERIOD_VALUE);
write_3393(hostdata, WD_CONTROL, CTRL_IDI | CTRL_EDI | CTRL_POLLED);
write1_io(0, IO_LED_OFF);
return x;
}
static int in2000_bus_reset(Scsi_Cmnd *cmd)
static int in2000_bus_reset(Scsi_Cmnd * cmd)
{
unsigned long flags;
struct Scsi_Host *instance;
struct IN2000_hostdata *hostdata;
int x;
struct Scsi_Host *instance;
struct IN2000_hostdata *hostdata;
int x;
instance = cmd->host;
hostdata = (struct IN2000_hostdata *)instance->hostdata;
hostdata = (struct IN2000_hostdata *) instance->hostdata;
printk(KERN_WARNING "scsi%d: Reset. ", instance->host_no);
spin_lock_irqsave(instance->host_lock, flags);
/* do scsi-reset here */
reset_hardware(instance, RESET_CARD_AND_BUS);
for (x = 0; x < 8; x++) {
hostdata->busy[x] = 0;
hostdata->sync_xfer[x] = calc_sync_xfer(DEFAULT_SX_PER/4,DEFAULT_SX_OFF);
hostdata->sync_xfer[x] = calc_sync_xfer(DEFAULT_SX_PER / 4, DEFAULT_SX_OFF);
hostdata->sync_stat[x] = SS_UNSET; /* using default sync values */
}
hostdata->input_Q = NULL;
......@@ -1686,45 +1672,40 @@ int x;
hostdata->outgoing_len = 0;
cmd->result = DID_RESET << 16;
spin_unlock_irqrestore(instance->host_lock, flags);
return SUCCESS;
}
static int in2000_host_reset(Scsi_Cmnd *cmd)
static int in2000_host_reset(Scsi_Cmnd * cmd)
{
return FAILED;
}
static int in2000_device_reset(Scsi_Cmnd *cmd)
static int in2000_device_reset(Scsi_Cmnd * cmd)
{
return FAILED;
}
static int in2000_abort (Scsi_Cmnd *cmd)
static int in2000_abort(Scsi_Cmnd * cmd)
{
struct Scsi_Host *instance;
struct IN2000_hostdata *hostdata;
Scsi_Cmnd *tmp, *prev;
unsigned long flags;
uchar sr, asr;
unsigned long timeout;
struct Scsi_Host *instance;
struct IN2000_hostdata *hostdata;
Scsi_Cmnd *tmp, *prev;
uchar sr, asr;
unsigned long timeout;
instance = cmd->host;
hostdata = (struct IN2000_hostdata *)instance->hostdata;
hostdata = (struct IN2000_hostdata *) instance->hostdata;
printk(KERN_DEBUG "scsi%d: Abort-", instance->host_no);
printk("(asr=%02x,count=%ld,resid=%d,buf_resid=%d,have_data=%d,FC=%02x)- ",
READ_AUX_STAT(),read_3393_count(hostdata),cmd->SCp.this_residual,cmd->SCp.buffers_residual,
cmd->SCp.have_data_in,read1_io(IO_FIFO_COUNT));
printk("(asr=%02x,count=%ld,resid=%d,buf_resid=%d,have_data=%d,FC=%02x)- ", READ_AUX_STAT(), read_3393_count(hostdata), cmd->SCp.this_residual, cmd->SCp.buffers_residual, cmd->SCp.have_data_in, read1_io(IO_FIFO_COUNT));
/*
* Case 1 : If the command hasn't been issued yet, we simply remove it
* from the inout_Q.
*/
spin_lock_irqsave(instance->host_lock, flags);
tmp = (Scsi_Cmnd *)hostdata->input_Q;
tmp = (Scsi_Cmnd *) hostdata->input_Q;
prev = 0;
while (tmp) {
if (tmp == cmd) {
......@@ -1732,14 +1713,12 @@ unsigned long timeout;
prev->host_scribble = cmd->host_scribble;
cmd->host_scribble = NULL;
cmd->result = DID_ABORT << 16;
printk(KERN_WARNING "scsi%d: Abort - removing command %ld from input_Q. ",
instance->host_no, cmd->pid);
printk(KERN_WARNING "scsi%d: Abort - removing command %ld from input_Q. ", instance->host_no, cmd->pid);
cmd->scsi_done(cmd);
spin_unlock_irqrestore(instance->host_lock, flags);
return SUCCESS;
}
prev = tmp;
tmp = (Scsi_Cmnd *)tmp->host_scribble;
tmp = (Scsi_Cmnd *) tmp->host_scribble;
}
/*
......@@ -1755,8 +1734,7 @@ unsigned long timeout;
if (hostdata->connected == cmd) {
printk(KERN_WARNING "scsi%d: Aborting connected command %ld - ",
instance->host_no, cmd->pid);
printk(KERN_WARNING "scsi%d: Aborting connected command %ld - ", instance->host_no, cmd->pid);
printk("sending wd33c93 ABORT command - ");
write_3393(hostdata, WD_CONTROL, CTRL_IDI | CTRL_EDI | CTRL_POLLED);
......@@ -1772,8 +1750,7 @@ unsigned long timeout;
read_3393(hostdata, WD_DATA);
} while (!(asr & ASR_INT) && timeout-- > 0);
sr = read_3393(hostdata, WD_SCSI_STATUS);
printk("asr=%02x, sr=%02x, %ld bytes un-transferred (timeout=%ld) - ",
asr, sr, read_3393_count(hostdata), timeout);
printk("asr=%02x, sr=%02x, %ld bytes un-transferred (timeout=%ld) - ", asr, sr, read_3393_count(hostdata), timeout);
/*
* Abort command processed.
......@@ -1789,7 +1766,7 @@ unsigned long timeout;
while ((asr & ASR_CIP) && timeout-- > 0)
asr = READ_AUX_STAT();
sr = read_3393(hostdata, WD_SCSI_STATUS);
printk("asr=%02x, sr=%02x.",asr,sr);
printk("asr=%02x, sr=%02x.", asr, sr);
hostdata->busy[cmd->target] &= ~(1 << cmd->lun);
hostdata->connected = NULL;
......@@ -1797,9 +1774,9 @@ unsigned long timeout;
cmd->result = DID_ABORT << 16;
cmd->scsi_done(cmd);
in2000_execute (instance);
in2000_execute(instance);
return SCSI_ABORT_SUCCESS;
return SUCCESS;
}
/*
......@@ -1808,10 +1785,8 @@ unsigned long timeout;
* an ABORT_SNOOZE and hope for the best...
*/
for (tmp=(Scsi_Cmnd *)hostdata->disconnected_Q; tmp;
tmp=(Scsi_Cmnd *)tmp->host_scribble)
for (tmp = (Scsi_Cmnd *) hostdata->disconnected_Q; tmp; tmp = (Scsi_Cmnd *) tmp->host_scribble)
if (cmd == tmp) {
spin_unlock_irqrestore(instance->host_lock, flags);
printk(KERN_DEBUG "scsi%d: unable to abort disconnected command.\n", instance->host_no);
return FAILED;
}
......@@ -1826,11 +1801,9 @@ unsigned long timeout;
* broke.
*/
in2000_execute (instance);
in2000_execute(instance);
spin_unlock_irqrestore(instance->host_lock, flags);
printk("scsi%d: warning : SCSI command probably completed successfully"
" before abortion. ", instance->host_no);
printk("scsi%d: warning : SCSI command probably completed successfully" " before abortion. ", instance->host_no);
return SUCCESS;
}
......@@ -1843,12 +1816,12 @@ static char setup_buffer[SETUP_BUFFER_SIZE];
static char setup_used[MAX_SETUP_ARGS];
static int done_setup = 0;
static void __init in2000_setup (char *str, int *ints)
static void __init in2000_setup(char *str, int *ints)
{
int i;
char *p1,*p2;
int i;
char *p1, *p2;
strncpy(setup_buffer,str,SETUP_BUFFER_SIZE);
strncpy(setup_buffer, str, SETUP_BUFFER_SIZE);
setup_buffer[SETUP_BUFFER_SIZE - 1] = '\0';
p1 = setup_buffer;
i = 0;
......@@ -1860,13 +1833,12 @@ char *p1,*p2;
setup_args[i] = p1;
p1 = p2 + 1;
i++;
}
else {
} else {
setup_args[i] = p1;
break;
}
}
for (i=0; i<MAX_SETUP_ARGS; i++)
for (i = 0; i < MAX_SETUP_ARGS; i++)
setup_used[i] = 0;
done_setup = 1;
}
......@@ -1877,10 +1849,10 @@ char *p1,*p2;
static int __init check_setup_args(char *key, int *flags, int *val, char *buf)
{
int x;
char *cp;
int x;
char *cp;
for (x=0; x<MAX_SETUP_ARGS; x++) {
for (x = 0; x < MAX_SETUP_ARGS; x++) {
if (setup_used[x])
continue;
if (!strncmp(setup_args[x], key, strlen(key)))
......@@ -1895,7 +1867,7 @@ char *cp;
return ++x;
cp++;
if ((*cp >= '0') && (*cp <= '9')) {
*val = simple_strtoul(cp,NULL,0);
*val = simple_strtoul(cp, NULL, 0);
}
return ++x;
}
......@@ -1912,36 +1884,36 @@ static u32 bios_tab[] in2000__INITDATA = {
0xd0000,
0xd8000,
0
};
};
static const unsigned short base_tab[] in2000__INITDATA = {
0x220,
0x200,
0x110,
0x100,
};
};
static const int int_tab[] in2000__INITDATA = {
15,
14,
11,
10
};
};
static int __init in2000_detect(Scsi_Host_Template * tpnt)
{
struct Scsi_Host *instance;
struct IN2000_hostdata *hostdata;
int detect_count;
int bios;
int x;
unsigned short base;
uchar switches;
uchar hrev;
int flags;
int val;
char buf[32];
struct Scsi_Host *instance;
struct IN2000_hostdata *hostdata;
int detect_count;
int bios;
int x;
unsigned short base;
uchar switches;
uchar hrev;
int flags;
int val;
char buf[32];
/* Thanks to help from Bill Earnest, probing for IN2000 cards is a
* pretty straightforward and fool-proof operation. There are 3
......@@ -1956,14 +1928,14 @@ char buf[32];
*/
if (!done_setup && setup_strings)
in2000_setup(setup_strings,0);
in2000_setup(setup_strings, 0);
detect_count = 0;
for (bios = 0; bios_tab[bios]; bios++) {
if (check_setup_args("ioport",&flags,&val,buf)) {
if (check_setup_args("ioport", &flags, &val, buf)) {
base = val;
switches = ~inb(base + IO_SWITCHES) & 0xff;
printk("Forcing IN2000 detection at IOport 0x%x ",base);
printk("Forcing IN2000 detection at IOport 0x%x ", base);
bios = 2;
}
/*
......@@ -1971,13 +1943,12 @@ char buf[32];
* for the obvious ID strings. We look for the 2 most common ones and
* hope that they cover all the cases...
*/
else if (isa_readl(bios_tab[bios]+0x10) == 0x41564f4e ||
isa_readl(bios_tab[bios]+0x30) == 0x61776c41) {
printk("Found IN2000 BIOS at 0x%x ",(unsigned int)bios_tab[bios]);
else if (isa_readl(bios_tab[bios] + 0x10) == 0x41564f4e || isa_readl(bios_tab[bios] + 0x30) == 0x61776c41) {
printk("Found IN2000 BIOS at 0x%x ", (unsigned int) bios_tab[bios]);
/* Read the switch image that's mapped into EPROM space */
switches = ~((isa_readb(bios_tab[bios]+0x20) & 0xff));
switches = ~((isa_readb(bios_tab[bios] + 0x20) & 0xff));
/* Find out where the IO space is */
......@@ -1988,17 +1959,16 @@ char buf[32];
x = ~inb(base + IO_SWITCHES) & 0xff;
if (x != switches) {
printk("Bad IO signature: %02x vs %02x.\n",x,switches);
printk("Bad IO signature: %02x vs %02x.\n", x, switches);
continue;
}
}
else
} else
continue;
/* OK. We have a base address for the IO ports - run a few safety checks */
if (!(switches & SW_BIT7)) { /* I _think_ all cards do this */
printk("There is no IN-2000 SCSI card at IOport 0x%03x!\n",base);
printk("There is no IN-2000 SCSI card at IOport 0x%03x!\n", base);
continue;
}
......@@ -2011,7 +1981,7 @@ char buf[32];
/* Bit 2 tells us if interrupts are disabled */
if (switches & SW_DISINT) {
printk("The IN-2000 SCSI card at IOport 0x%03x ",base);
printk("The IN-2000 SCSI card at IOport 0x%03x ", base);
printk("is not configured for interrupt operation!\n");
printk("This driver requires an interrupt: cancelling detection.\n");
continue;
......@@ -2023,19 +1993,17 @@ char buf[32];
tpnt->proc_name = "in2000";
instance = scsi_register(tpnt, sizeof(struct IN2000_hostdata));
if(instance == NULL)
if (instance == NULL)
continue;
detect_count++;
if (!instance_list)
instance_list = instance;
hostdata = (struct IN2000_hostdata *)instance->hostdata;
hostdata = (struct IN2000_hostdata *) instance->hostdata;
instance->io_port = hostdata->io_base = base;
hostdata->dip_switch = switches;
hostdata->hrev = hrev;
write1_io(0,IO_FIFO_WRITE); /* clear fifo counter */
write1_io(0,IO_FIFO_READ); /* start fifo out in read mode */
write1_io(0,IO_INTR_MASK); /* allow all ints */
write1_io(0, IO_FIFO_WRITE); /* clear fifo counter */
write1_io(0, IO_FIFO_READ); /* start fifo out in read mode */
write1_io(0, IO_INTR_MASK); /* allow all ints */
x = int_tab[(switches & (SW_INT0 | SW_INT1)) >> SW_INT_SHIFT];
if (request_irq(x, in2000_intr, SA_INTERRUPT, "in2000", instance)) {
printk("in2000_detect: Unable to allocate IRQ.\n");
......@@ -2048,7 +2016,7 @@ char buf[32];
for (x = 0; x < 8; x++) {
hostdata->busy[x] = 0;
hostdata->sync_xfer[x] = calc_sync_xfer(DEFAULT_SX_PER/4,DEFAULT_SX_OFF);
hostdata->sync_xfer[x] = calc_sync_xfer(DEFAULT_SX_PER / 4, DEFAULT_SX_OFF);
hostdata->sync_stat[x] = SS_UNSET; /* using default sync values */
#ifdef PROC_STATISTICS
hostdata->cmd_cnt[x] = 0;
......@@ -2071,44 +2039,42 @@ char buf[32];
/* Older BIOS's had a 'sync on/off' switch - use its setting */
if (isa_readl(bios_tab[bios]+0x10) == 0x41564f4e && (switches & SW_SYNC_DOS5))
if (isa_readl(bios_tab[bios] + 0x10) == 0x41564f4e && (switches & SW_SYNC_DOS5))
hostdata->sync_off = 0x00; /* sync defaults to on */
else
hostdata->sync_off = 0xff; /* sync defaults to off */
#ifdef PROC_INTERFACE
hostdata->proc = PR_VERSION|PR_INFO|PR_STATISTICS|
PR_CONNECTED|PR_INPUTQ|PR_DISCQ|
PR_STOP;
hostdata->proc = PR_VERSION | PR_INFO | PR_STATISTICS | PR_CONNECTED | PR_INPUTQ | PR_DISCQ | PR_STOP;
#ifdef PROC_STATISTICS
hostdata->int_cnt = 0;
#endif
#endif
if (check_setup_args("nosync",&flags,&val,buf))
if (check_setup_args("nosync", &flags, &val, buf))
hostdata->sync_off = val;
if (check_setup_args("period",&flags,&val,buf))
hostdata->default_sx_per = sx_table[round_period((unsigned int)val)].period_ns;
if (check_setup_args("period", &flags, &val, buf))
hostdata->default_sx_per = sx_table[round_period((unsigned int) val)].period_ns;
if (check_setup_args("disconnect",&flags,&val,buf)) {
if (check_setup_args("disconnect", &flags, &val, buf)) {
if ((val >= DIS_NEVER) && (val <= DIS_ALWAYS))
hostdata->disconnect = val;
else
hostdata->disconnect = DIS_ADAPTIVE;
}
if (check_setup_args("noreset",&flags,&val,buf))
if (check_setup_args("noreset", &flags, &val, buf))
hostdata->args ^= A_NO_SCSI_RESET;
if (check_setup_args("level2",&flags,&val,buf))
if (check_setup_args("level2", &flags, &val, buf))
hostdata->level2 = val;
if (check_setup_args("debug",&flags,&val,buf))
if (check_setup_args("debug", &flags, &val, buf))
hostdata->args = (val & DB_MASK);
#ifdef PROC_INTERFACE
if (check_setup_args("proc",&flags,&val,buf))
if (check_setup_args("proc", &flags, &val, buf))
hostdata->proc = val;
#endif
......@@ -2116,39 +2082,29 @@ char buf[32];
/* FIXME: not strictly needed I think but the called code expects
to be locked */
spin_lock_irqsave(instance->host_lock, flags);
x = reset_hardware(instance,(hostdata->args & A_NO_SCSI_RESET)?RESET_CARD:RESET_CARD_AND_BUS);
x = reset_hardware(instance, (hostdata->args & A_NO_SCSI_RESET) ? RESET_CARD : RESET_CARD_AND_BUS);
spin_unlock_irqrestore(instance->host_lock, flags);
hostdata->microcode = read_3393(hostdata,WD_CDB_1);
hostdata->microcode = read_3393(hostdata, WD_CDB_1);
if (x & 0x01) {
if (x & B_FLAG)
hostdata->chip = C_WD33C93B;
else
hostdata->chip = C_WD33C93A;
}
else
} else
hostdata->chip = C_WD33C93;
printk("dip_switch=%02x irq=%d ioport=%02x floppy=%s sync/DOS5=%s ",
(switches & 0x7f),
instance->irq,hostdata->io_base,
(switches & SW_FLOPPY)?"Yes":"No",
(switches & SW_SYNC_DOS5)?"Yes":"No");
printk("hardware_ver=%02x chip=%s microcode=%02x\n",
hrev,
(hostdata->chip==C_WD33C93)?"WD33c93":
(hostdata->chip==C_WD33C93A)?"WD33c93A":
(hostdata->chip==C_WD33C93B)?"WD33c93B":"unknown",
hostdata->microcode);
printk("dip_switch=%02x irq=%d ioport=%02x floppy=%s sync/DOS5=%s ", (switches & 0x7f), instance->irq, hostdata->io_base, (switches & SW_FLOPPY) ? "Yes" : "No", (switches & SW_SYNC_DOS5) ? "Yes" : "No");
printk("hardware_ver=%02x chip=%s microcode=%02x\n", hrev, (hostdata->chip == C_WD33C93) ? "WD33c93" : (hostdata->chip == C_WD33C93A) ? "WD33c93A" : (hostdata->chip == C_WD33C93B) ? "WD33c93B" : "unknown", hostdata->microcode);
#ifdef DEBUGGING_ON
printk("setup_args = ");
for (x=0; x<MAX_SETUP_ARGS; x++)
printk("%s,",setup_args[x]);
for (x = 0; x < MAX_SETUP_ARGS; x++)
printk("%s,", setup_args[x]);
printk("\n");
#endif
if (hostdata->sync_off == 0xff)
printk("Sync-transfer DISABLED on all devices: ENABLE from command-line\n");
printk("IN2000 driver version %s - %s\n",IN2000_VERSION,IN2000_DATE);
printk("IN2000 driver version %s - %s\n", IN2000_VERSION, IN2000_DATE);
}
return detect_count;
......@@ -2163,17 +2119,14 @@ static int in2000_release(struct Scsi_Host *shost)
return 0;
}
/* NOTE: I lifted this function straight out of the old driver,
* and have not tested it. Presumably it does what it's
* supposed to do...
*/
static int in2000_biosparam(struct scsi_device *sdev,
struct block_device *bdev,
sector_t capacity, int *iinfo)
static int in2000_biosparam(struct scsi_device *sdev, struct block_device *bdev, sector_t capacity, int *iinfo)
{
int size;
int size;
size = capacity;
iinfo[0] = 64;
......@@ -2187,17 +2140,17 @@ int size;
if (iinfo[2] > 1024) {
iinfo[0] = 64;
iinfo[1] = 63;
iinfo[2] = (unsigned long)capacity / (iinfo[0] * iinfo[1]);
iinfo[2] = (unsigned long) capacity / (iinfo[0] * iinfo[1]);
}
if (iinfo[2] > 1024) {
iinfo[0] = 128;
iinfo[1] = 63;
iinfo[2] = (unsigned long)capacity / (iinfo[0] * iinfo[1]);
iinfo[2] = (unsigned long) capacity / (iinfo[0] * iinfo[1]);
}
if (iinfo[2] > 1024) {
iinfo[0] = 255;
iinfo[1] = 63;
iinfo[2] = (unsigned long)capacity / (iinfo[0] * iinfo[1]);
iinfo[2] = (unsigned long) capacity / (iinfo[0] * iinfo[1]);
}
return 0;
}
......@@ -2208,21 +2161,21 @@ static int in2000_proc_info(char *buf, char **start, off_t off, int len, int hn,
#ifdef PROC_INTERFACE
char *bp;
char tbuf[128];
unsigned long flags;
struct Scsi_Host *instance;
struct IN2000_hostdata *hd;
Scsi_Cmnd *cmd;
int x,i;
static int stop = 0;
char *bp;
char tbuf[128];
unsigned long flags;
struct Scsi_Host *instance;
struct IN2000_hostdata *hd;
Scsi_Cmnd *cmd;
int x, i;
static int stop = 0;
instance = scsi_host_hn_get(hn);
if (!instance) {
printk("*** Hmm... Can't find host #%d!\n",hn);
printk("*** Hmm... Can't find host #%d!\n", hn);
return (-ESRCH);
}
hd = (struct IN2000_hostdata *)instance->hostdata;
hd = (struct IN2000_hostdata *) instance->hostdata;
/* If 'in' is TRUE we need to _read_ the proc file. We accept the following
* keywords (same format as command-line, but only ONE per read):
......@@ -2236,36 +2189,31 @@ static int stop = 0;
if (in) {
buf[len] = '\0';
bp = buf;
if (!strncmp(bp,"debug:",6)) {
if (!strncmp(bp, "debug:", 6)) {
bp += 6;
hd->args = simple_strtoul(bp,NULL,0) & DB_MASK;
}
else if (!strncmp(bp,"disconnect:",11)) {
hd->args = simple_strtoul(bp, NULL, 0) & DB_MASK;
} else if (!strncmp(bp, "disconnect:", 11)) {
bp += 11;
x = simple_strtoul(bp,NULL,0);
x = simple_strtoul(bp, NULL, 0);
if (x < DIS_NEVER || x > DIS_ALWAYS)
x = DIS_ADAPTIVE;
hd->disconnect = x;
}
else if (!strncmp(bp,"period:",7)) {
} else if (!strncmp(bp, "period:", 7)) {
bp += 7;
x = simple_strtoul(bp,NULL,0);
hd->default_sx_per = sx_table[round_period((unsigned int)x)].period_ns;
}
else if (!strncmp(bp,"resync:",7)) {
x = simple_strtoul(bp, NULL, 0);
hd->default_sx_per = sx_table[round_period((unsigned int) x)].period_ns;
} else if (!strncmp(bp, "resync:", 7)) {
bp += 7;
x = simple_strtoul(bp,NULL,0);
for (i=0; i<7; i++)
if (x & (1<<i))
x = simple_strtoul(bp, NULL, 0);
for (i = 0; i < 7; i++)
if (x & (1 << i))
hd->sync_stat[i] = SS_UNSET;
}
else if (!strncmp(bp,"proc:",5)) {
} else if (!strncmp(bp, "proc:", 5)) {
bp += 5;
hd->proc = simple_strtoul(bp,NULL,0);
}
else if (!strncmp(bp,"level2:",7)) {
hd->proc = simple_strtoul(bp, NULL, 0);
} else if (!strncmp(bp, "level2:", 7)) {
bp += 7;
hd->level2 = simple_strtoul(bp,NULL,0);
hd->level2 = simple_strtoul(bp, NULL, 0);
}
return len;
}
......@@ -2274,81 +2222,74 @@ static int stop = 0;
bp = buf;
*bp = '\0';
if (hd->proc & PR_VERSION) {
sprintf(tbuf,"\nVersion %s - %s. Compiled %s %s",
IN2000_VERSION,IN2000_DATE,__DATE__,__TIME__);
strcat(bp,tbuf);
sprintf(tbuf, "\nVersion %s - %s. Compiled %s %s", IN2000_VERSION, IN2000_DATE, __DATE__, __TIME__);
strcat(bp, tbuf);
}
if (hd->proc & PR_INFO) {
sprintf(tbuf,"\ndip_switch=%02x: irq=%d io=%02x floppy=%s sync/DOS5=%s",
(hd->dip_switch & 0x7f), instance->irq, hd->io_base,
(hd->dip_switch & 0x40)?"Yes":"No",
(hd->dip_switch & 0x20)?"Yes":"No");
strcat(bp,tbuf);
strcat(bp,"\nsync_xfer[] = ");
for (x=0; x<7; x++) {
sprintf(tbuf,"\t%02x",hd->sync_xfer[x]);
strcat(bp,tbuf);
}
strcat(bp,"\nsync_stat[] = ");
for (x=0; x<7; x++) {
sprintf(tbuf,"\t%02x",hd->sync_stat[x]);
strcat(bp,tbuf);
sprintf(tbuf, "\ndip_switch=%02x: irq=%d io=%02x floppy=%s sync/DOS5=%s", (hd->dip_switch & 0x7f), instance->irq, hd->io_base, (hd->dip_switch & 0x40) ? "Yes" : "No", (hd->dip_switch & 0x20) ? "Yes" : "No");
strcat(bp, tbuf);
strcat(bp, "\nsync_xfer[] = ");
for (x = 0; x < 7; x++) {
sprintf(tbuf, "\t%02x", hd->sync_xfer[x]);
strcat(bp, tbuf);
}
strcat(bp, "\nsync_stat[] = ");
for (x = 0; x < 7; x++) {
sprintf(tbuf, "\t%02x", hd->sync_stat[x]);
strcat(bp, tbuf);
}
}
#ifdef PROC_STATISTICS
if (hd->proc & PR_STATISTICS) {
strcat(bp,"\ncommands issued: ");
for (x=0; x<7; x++) {
sprintf(tbuf,"\t%ld",hd->cmd_cnt[x]);
strcat(bp,tbuf);
strcat(bp, "\ncommands issued: ");
for (x = 0; x < 7; x++) {
sprintf(tbuf, "\t%ld", hd->cmd_cnt[x]);
strcat(bp, tbuf);
}
strcat(bp,"\ndisconnects allowed:");
for (x=0; x<7; x++) {
sprintf(tbuf,"\t%ld",hd->disc_allowed_cnt[x]);
strcat(bp,tbuf);
strcat(bp, "\ndisconnects allowed:");
for (x = 0; x < 7; x++) {
sprintf(tbuf, "\t%ld", hd->disc_allowed_cnt[x]);
strcat(bp, tbuf);
}
strcat(bp,"\ndisconnects done: ");
for (x=0; x<7; x++) {
sprintf(tbuf,"\t%ld",hd->disc_done_cnt[x]);
strcat(bp,tbuf);
strcat(bp, "\ndisconnects done: ");
for (x = 0; x < 7; x++) {
sprintf(tbuf, "\t%ld", hd->disc_done_cnt[x]);
strcat(bp, tbuf);
}
sprintf(tbuf,"\ninterrupts: \t%ld",hd->int_cnt);
strcat(bp,tbuf);
sprintf(tbuf, "\ninterrupts: \t%ld", hd->int_cnt);
strcat(bp, tbuf);
}
#endif
if (hd->proc & PR_CONNECTED) {
strcat(bp,"\nconnected: ");
strcat(bp, "\nconnected: ");
if (hd->connected) {
cmd = (Scsi_Cmnd *)hd->connected;
sprintf(tbuf," %ld-%d:%d(%02x)",
cmd->pid, cmd->target, cmd->lun, cmd->cmnd[0]);
strcat(bp,tbuf);
cmd = (Scsi_Cmnd *) hd->connected;
sprintf(tbuf, " %ld-%d:%d(%02x)", cmd->pid, cmd->target, cmd->lun, cmd->cmnd[0]);
strcat(bp, tbuf);
}
}
if (hd->proc & PR_INPUTQ) {
strcat(bp,"\ninput_Q: ");
cmd = (Scsi_Cmnd *)hd->input_Q;
strcat(bp, "\ninput_Q: ");
cmd = (Scsi_Cmnd *) hd->input_Q;
while (cmd) {
sprintf(tbuf," %ld-%d:%d(%02x)",
cmd->pid, cmd->target, cmd->lun, cmd->cmnd[0]);
strcat(bp,tbuf);
cmd = (Scsi_Cmnd *)cmd->host_scribble;
sprintf(tbuf, " %ld-%d:%d(%02x)", cmd->pid, cmd->target, cmd->lun, cmd->cmnd[0]);
strcat(bp, tbuf);
cmd = (Scsi_Cmnd *) cmd->host_scribble;
}
}
if (hd->proc & PR_DISCQ) {
strcat(bp,"\ndisconnected_Q:");
cmd = (Scsi_Cmnd *)hd->disconnected_Q;
strcat(bp, "\ndisconnected_Q:");
cmd = (Scsi_Cmnd *) hd->disconnected_Q;
while (cmd) {
sprintf(tbuf," %ld-%d:%d(%02x)",
cmd->pid, cmd->target, cmd->lun, cmd->cmnd[0]);
strcat(bp,tbuf);
cmd = (Scsi_Cmnd *)cmd->host_scribble;
sprintf(tbuf, " %ld-%d:%d(%02x)", cmd->pid, cmd->target, cmd->lun, cmd->cmnd[0]);
strcat(bp, tbuf);
cmd = (Scsi_Cmnd *) cmd->host_scribble;
}
}
if (hd->proc & PR_TEST) {
; /* insert your own custom function here */
}
strcat(bp,"\n");
strcat(bp, "\n");
spin_unlock_irqrestore(instance->host_lock, flags);
*start = buf;
if (stop) {
......@@ -2374,4 +2315,3 @@ MODULE_LICENSE("GPL");
static Scsi_Host_Template driver_template = IN2000;
#include "scsi_module.c"
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