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scsi: 3w-xxxx: Whitespace cleanup

Browse Source 
Link: https://lore.kernel.org/r/20210113090500.129644-3-hare@suse.de
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Hannes Reinecke 2021-01-13 10:04:27 +01:00 committed by Martin K. Petersen
parent 0653c358d2
commit 8148dfba29
2 changed files with 220 additions and 212 deletions
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243
drivers/scsi/3w-xxxx.c
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@ -1,52 +1,52 @@
/*
/*
3w-xxxx.c -- 3ware Storage Controller device driver for Linux.
Written By: Adam Radford <aradford@gmail.com>
Modifications By: Joel Jacobson <linux@3ware.com>
Arnaldo Carvalho de Melo <acme@conectiva.com.br>
Arnaldo Carvalho de Melo <acme@conectiva.com.br>
Brad Strand <linux@3ware.com>
Copyright (C) 1999-2010 3ware Inc.
Kernel compatibility By: Andre Hedrick <andre@suse.com>
Kernel compatibility By: Andre Hedrick <andre@suse.com>
Non-Copyright (C) 2000 Andre Hedrick <andre@suse.com>
Further tiny build fixes and trivial hoovering Alan Cox
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
NO WARRANTY
THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
solely responsible for determining the appropriateness of using and
distributing the Program and assumes all risks associated with its
exercise of rights under this Agreement, including but not limited to
the risks and costs of program errors, damage to or loss of data,
programs or equipment, and unavailability or interruption of operations.
NO WARRANTY
THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
solely responsible for determining the appropriateness of using and
distributing the Program and assumes all risks associated with its
exercise of rights under this Agreement, including but not limited to
the risks and costs of program errors, damage to or loss of data,
programs or equipment, and unavailability or interruption of operations.
DISCLAIMER OF LIABILITY
NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), 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 OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
DISCLAIMER OF LIABILITY
NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), 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 OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Bugs/Comments/Suggestions should be mailed to:
Bugs/Comments/Suggestions should be mailed to:
aradford@gmail.com
@ -70,7 +70,7 @@
1.02.00.003 - Fix tw_interrupt() to report error to scsi layer when
controller status is non-zero.
Added handling of request_sense opcode.
Fix possible null pointer dereference in
Fix possible null pointer dereference in
tw_reset_device_extension()
1.02.00.004 - Add support for device id of 3ware 7000 series controllers.
Make tw_setfeature() call with interrupts disabled.
@ -239,7 +239,7 @@ static int tw_reset_device_extension(TW_Device_Extension *tw_dev);
/* This function will check the status register for unexpected bits */
static int tw_check_bits(u32 status_reg_value)
{
if ((status_reg_value & TW_STATUS_EXPECTED_BITS) != TW_STATUS_EXPECTED_BITS) {
if ((status_reg_value & TW_STATUS_EXPECTED_BITS) != TW_STATUS_EXPECTED_BITS) {
dprintk(KERN_WARNING "3w-xxxx: tw_check_bits(): No expected bits (0x%x).\n", status_reg_value);
return 1;
}
@ -291,7 +291,7 @@ static int tw_decode_bits(TW_Device_Extension *tw_dev, u32 status_reg_value, int
}
return 1;
}
return 0;
} /* End tw_decode_bits() */
@ -390,7 +390,7 @@ static int tw_post_command_packet(TW_Device_Extension *tw_dev, int request_id)
} else {
tw_dev->pending_tail = tw_dev->pending_tail + 1;
}
}
}
TW_UNMASK_COMMAND_INTERRUPT(tw_dev);
return 1;
}
@ -403,7 +403,7 @@ static int tw_decode_sense(TW_Device_Extension *tw_dev, int request_id, int fill
int i;
TW_Command *command;
dprintk(KERN_WARNING "3w-xxxx: tw_decode_sense()\n");
dprintk(KERN_WARNING "3w-xxxx: tw_decode_sense()\n");
command = (TW_Command *)tw_dev->command_packet_virtual_address[request_id];
printk(KERN_WARNING "3w-xxxx: scsi%d: Command failed: status = 0x%x, flags = 0x%x, unit #%d.\n", tw_dev->host->host_no, command->status, command->flags, TW_UNIT_OUT(command->unit__hostid));
@ -443,10 +443,10 @@ static int tw_decode_sense(TW_Device_Extension *tw_dev, int request_id, int fill
} /* End tw_decode_sense() */
/* This function will report controller error status */
static int tw_check_errors(TW_Device_Extension *tw_dev)
static int tw_check_errors(TW_Device_Extension *tw_dev)
{
u32 status_reg_value;
status_reg_value = inl(TW_STATUS_REG_ADDR(tw_dev));
if (TW_STATUS_ERRORS(status_reg_value) || tw_check_bits(status_reg_value)) {
@ -458,7 +458,7 @@ static int tw_check_errors(TW_Device_Extension *tw_dev)
} /* End tw_check_errors() */
/* This function will empty the response que */
static void tw_empty_response_que(TW_Device_Extension *tw_dev)
static void tw_empty_response_que(TW_Device_Extension *tw_dev)
{
u32 status_reg_value, response_que_value;
@ -525,7 +525,7 @@ static ssize_t tw_show_stats(struct device *dev, struct device_attribute *attr,
/* Create sysfs 'stats' entry */
static struct device_attribute tw_host_stats_attr = {
.attr = {
.name = "stats",
.name = "stats",
.mode = S_IRUGO,
},
.show = tw_show_stats
@ -538,7 +538,7 @@ static struct device_attribute *tw_host_attrs[] = {
};
/* This function will read the aen queue from the isr */
static int tw_aen_read_queue(TW_Device_Extension *tw_dev, int request_id)
static int tw_aen_read_queue(TW_Device_Extension *tw_dev, int request_id)
{
TW_Command *command_packet;
TW_Param *param;
@ -604,7 +604,7 @@ static int tw_aen_read_queue(TW_Device_Extension *tw_dev, int request_id)
} /* End tw_aen_read_queue() */
/* This function will complete an aen request from the isr */
static int tw_aen_complete(TW_Device_Extension *tw_dev, int request_id)
static int tw_aen_complete(TW_Device_Extension *tw_dev, int request_id)
{
TW_Param *param;
unsigned short aen;
@ -628,7 +628,7 @@ static int tw_aen_complete(TW_Device_Extension *tw_dev, int request_id)
if ((tw_aen_string[aen & 0xff][strlen(tw_aen_string[aen & 0xff])-1]) == '#') {
printk(KERN_WARNING "3w-xxxx: scsi%d: AEN: %s%d.\n", tw_dev->host->host_no, tw_aen_string[aen & 0xff], aen >> 8);
} else {
if (aen != 0x0)
if (aen != 0x0)
printk(KERN_WARNING "3w-xxxx: scsi%d: AEN: %s.\n", tw_dev->host->host_no, tw_aen_string[aen & 0xff]);
}
} else {
@ -746,7 +746,7 @@ static int tw_aen_drain_queue(TW_Device_Extension *tw_dev)
printk(KERN_WARNING "3w-xxxx: tw_aen_drain_queue(): Unexpected request id.\n");
return 1;
}
if (command_packet->status != 0) {
if (command_packet->flags != TW_AEN_TABLE_UNDEFINED) {
/* Bad response */
@ -908,7 +908,7 @@ static long tw_chrdev_ioctl(struct file *file, unsigned int cmd, unsigned long a
/* Hardware can only do multiple of 512 byte transfers */
data_buffer_length_adjusted = (data_buffer_length + 511) & ~511;
/* Now allocate ioctl buf memory */
cpu_addr = dma_alloc_coherent(&tw_dev->tw_pci_dev->dev, data_buffer_length_adjusted+sizeof(TW_New_Ioctl) - 1, &dma_handle, GFP_KERNEL);
if (cpu_addr == NULL) {
@ -1075,7 +1075,7 @@ static void tw_free_device_extension(TW_Device_Extension *tw_dev)
} /* End tw_free_device_extension() */
/* This function will send an initconnection command to controller */
static int tw_initconnection(TW_Device_Extension *tw_dev, int message_credits)
static int tw_initconnection(TW_Device_Extension *tw_dev, int message_credits)
{
unsigned long command_que_value;
TW_Command *command_packet;
@ -1105,10 +1105,10 @@ static int tw_initconnection(TW_Device_Extension *tw_dev, int message_credits)
printk(KERN_WARNING "3w-xxxx: tw_initconnection(): Bad command packet physical address.\n");
return 1;
}
/* Send command packet to the board */
outl(command_que_value, TW_COMMAND_QUEUE_REG_ADDR(tw_dev));
/* Poll for completion */
if (tw_poll_status_gone(tw_dev, TW_STATUS_RESPONSE_QUEUE_EMPTY, 30) == 0) {
response_queue.value = inl(TW_RESPONSE_QUEUE_REG_ADDR(tw_dev));
@ -1130,7 +1130,7 @@ static int tw_initconnection(TW_Device_Extension *tw_dev, int message_credits)
/* Set a value in the features table */
static int tw_setfeature(TW_Device_Extension *tw_dev, int parm, int param_size,
unsigned char *val)
unsigned char *val)
{
TW_Param *param;
TW_Command *command_packet;
@ -1139,7 +1139,7 @@ static int tw_setfeature(TW_Device_Extension *tw_dev, int parm, int param_size,
unsigned long command_que_value;
unsigned long param_value;
/* Initialize SetParam command packet */
/* Initialize SetParam command packet */
if (tw_dev->command_packet_virtual_address[request_id] == NULL) {
printk(KERN_WARNING "3w-xxxx: tw_setfeature(): Bad command packet virtual address.\n");
return 1;
@ -1169,7 +1169,7 @@ static int tw_setfeature(TW_Device_Extension *tw_dev, int parm, int param_size,
command_packet->request_id = request_id;
command_packet->byte6.parameter_count = 1;
command_que_value = tw_dev->command_packet_physical_address[request_id];
command_que_value = tw_dev->command_packet_physical_address[request_id];
if (command_que_value == 0) {
printk(KERN_WARNING "3w-xxxx: tw_setfeature(): Bad command packet physical address.\n");
return 1;
@ -1199,7 +1199,7 @@ static int tw_setfeature(TW_Device_Extension *tw_dev, int parm, int param_size,
} /* End tw_setfeature() */
/* This function will reset a controller */
static int tw_reset_sequence(TW_Device_Extension *tw_dev)
static int tw_reset_sequence(TW_Device_Extension *tw_dev)
{
int error = 0;
int tries = 0;
@ -1298,7 +1298,7 @@ static int tw_reset_device_extension(TW_Device_Extension *tw_dev)
/* Abort all requests that are in progress */
for (i=0;i<TW_Q_LENGTH;i++) {
if ((tw_dev->state[i] != TW_S_FINISHED) &&
if ((tw_dev->state[i] != TW_S_FINISHED) &&
(tw_dev->state[i] != TW_S_INITIAL) &&
(tw_dev->state[i] != TW_S_COMPLETED)) {
srb = tw_dev->srb[i];
@ -1339,11 +1339,11 @@ static int tw_reset_device_extension(TW_Device_Extension *tw_dev)
/* This funciton returns unit geometry in cylinders/heads/sectors */
static int tw_scsi_biosparam(struct scsi_device *sdev, struct block_device *bdev,
sector_t capacity, int geom[])
sector_t capacity, int geom[])
{
int heads, sectors, cylinders;
TW_Device_Extension *tw_dev;
dprintk(KERN_NOTICE "3w-xxxx: tw_scsi_biosparam()\n");
tw_dev = (TW_Device_Extension *)sdev->host->hostdata;
@ -1358,7 +1358,7 @@ static int tw_scsi_biosparam(struct scsi_device *sdev, struct block_device *bdev
}
dprintk(KERN_NOTICE "3w-xxxx: tw_scsi_biosparam(): heads = %d, sectors = %d, cylinders = %d\n", heads, sectors, cylinders);
geom[0] = heads;
geom[0] = heads;
geom[1] = sectors;
geom[2] = cylinders;
@ -1366,7 +1366,7 @@ static int tw_scsi_biosparam(struct scsi_device *sdev, struct block_device *bdev
} /* End tw_scsi_biosparam() */
/* This is the new scsi eh reset function */
static int tw_scsi_eh_reset(struct scsi_cmnd *SCpnt)
static int tw_scsi_eh_reset(struct scsi_cmnd *SCpnt)
{
TW_Device_Extension *tw_dev=NULL;
int retval = FAILED;
@ -1554,7 +1554,7 @@ static int tw_scsiop_mode_sense(TW_Device_Extension *tw_dev, int request_id)
/* Now try to post the command packet */
tw_post_command_packet(tw_dev, request_id);
return 0;
} /* End tw_scsiop_mode_sense() */
@ -1575,16 +1575,16 @@ static int tw_scsiop_mode_sense_complete(TW_Device_Extension *tw_dev, int reques
flags = (char *)&(param->data[0]);
memset(request_buffer, 0, sizeof(request_buffer));
request_buffer[0] = 0xf; /* mode data length */
request_buffer[1] = 0; /* default medium type */
request_buffer[2] = 0x10; /* dpo/fua support on */
request_buffer[3] = 0; /* no block descriptors */
request_buffer[4] = 0x8; /* caching page */
request_buffer[5] = 0xa; /* page length */
request_buffer[0] = 0xf; /* mode data length */
request_buffer[1] = 0; /* default medium type */
request_buffer[2] = 0x10; /* dpo/fua support on */
request_buffer[3] = 0; /* no block descriptors */
request_buffer[4] = 0x8; /* caching page */
request_buffer[5] = 0xa; /* page length */
if (*flags & 0x1)
request_buffer[6] = 0x5; /* WCE on, RCD on */
request_buffer[6] = 0x5; /* WCE on, RCD on */
else
request_buffer[6] = 0x1; /* WCE off, RCD on */
request_buffer[6] = 0x1; /* WCE off, RCD on */
tw_transfer_internal(tw_dev, request_id, request_buffer,
sizeof(request_buffer));
@ -1592,7 +1592,7 @@ static int tw_scsiop_mode_sense_complete(TW_Device_Extension *tw_dev, int reques
} /* End tw_scsiop_mode_sense_complete() */
/* This function handles scsi read_capacity commands */
static int tw_scsiop_read_capacity(TW_Device_Extension *tw_dev, int request_id)
static int tw_scsiop_read_capacity(TW_Device_Extension *tw_dev, int request_id)
{
TW_Param *param;
TW_Command *command_packet;
@ -1624,8 +1624,8 @@ static int tw_scsiop_read_capacity(TW_Device_Extension *tw_dev, int request_id)
}
param = (TW_Param *)tw_dev->alignment_virtual_address[request_id];
memset(param, 0, sizeof(TW_Sector));
param->table_id = TW_UNIT_INFORMATION_TABLE_BASE +
tw_dev->srb[request_id]->device->id;
param->table_id = TW_UNIT_INFORMATION_TABLE_BASE +
tw_dev->srb[request_id]->device->id;
param->parameter_id = 4; /* unitcapacity parameter */
param->parameter_size_bytes = 4;
param_value = tw_dev->alignment_physical_address[request_id];
@ -1633,7 +1633,7 @@ static int tw_scsiop_read_capacity(TW_Device_Extension *tw_dev, int request_id)
dprintk(KERN_NOTICE "3w-xxxx: tw_scsiop_read_capacity(): Bad alignment physical address.\n");
return 1;
}
command_packet->byte8.param.sgl[0].address = param_value;
command_packet->byte8.param.sgl[0].length = sizeof(TW_Sector);
command_que_value = tw_dev->command_packet_physical_address[request_id];
@ -1644,7 +1644,7 @@ static int tw_scsiop_read_capacity(TW_Device_Extension *tw_dev, int request_id)
/* Now try to post the command to the board */
tw_post_command_packet(tw_dev, request_id);
return 0;
} /* End tw_scsiop_read_capacity() */
@ -1666,7 +1666,7 @@ static int tw_scsiop_read_capacity_complete(TW_Device_Extension *tw_dev, int req
}
param_data = &(param->data[0]);
capacity = (param_data[3] << 24) | (param_data[2] << 16) |
capacity = (param_data[3] << 24) | (param_data[2] << 16) |
(param_data[1] << 8) | param_data[0];
/* Subtract one sector to fix get last sector ioctl */
@ -1692,7 +1692,7 @@ static int tw_scsiop_read_capacity_complete(TW_Device_Extension *tw_dev, int req
} /* End tw_scsiop_read_capacity_complete() */
/* This function handles scsi read or write commands */
static int tw_scsiop_read_write(TW_Device_Extension *tw_dev, int request_id)
static int tw_scsiop_read_write(TW_Device_Extension *tw_dev, int request_id)
{
TW_Command *command_packet;
unsigned long command_que_value;
@ -1742,12 +1742,12 @@ static int tw_scsiop_read_write(TW_Device_Extension *tw_dev, int request_id)
lba = ((u32)srb->cmnd[2] << 24) | ((u32)srb->cmnd[3] << 16) | ((u32)srb->cmnd[4] << 8) | (u32)srb->cmnd[5];
num_sectors = (u32)srb->cmnd[8] | ((u32)srb->cmnd[7] << 8);
}
/* Update sector statistic */
tw_dev->sector_count = num_sectors;
if (tw_dev->sector_count > tw_dev->max_sector_count)
tw_dev->max_sector_count = tw_dev->sector_count;
dprintk(KERN_NOTICE "3w-xxxx: tw_scsiop_read_write(): lba = 0x%x num_sectors = 0x%x\n", lba, num_sectors);
command_packet->byte8.io.lba = lba;
command_packet->byte6.block_count = num_sectors;
@ -1772,7 +1772,7 @@ static int tw_scsiop_read_write(TW_Device_Extension *tw_dev, int request_id)
dprintk(KERN_WARNING "3w-xxxx: tw_scsiop_read_write(): Bad command packet physical address.\n");
return 1;
}
/* Now try to post the command to the board */
tw_post_command_packet(tw_dev, request_id);
@ -1933,7 +1933,7 @@ static int tw_scsi_queue_lck(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_c
/* Save done function into struct scsi_cmnd */
SCpnt->scsi_done = done;
/* Queue the command and get a request id */
tw_state_request_start(tw_dev, &request_id);
@ -1941,48 +1941,47 @@ static int tw_scsi_queue_lck(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_c
tw_dev->srb[request_id] = SCpnt;
switch (*command) {
case READ_10:
case READ_6:
case WRITE_10:
case WRITE_6:
dprintk(KERN_NOTICE "3w-xxxx: tw_scsi_queue(): caught READ/WRITE.\n");
retval = tw_scsiop_read_write(tw_dev, request_id);
break;
case TEST_UNIT_READY:
dprintk(KERN_NOTICE "3w-xxxx: tw_scsi_queue(): caught TEST_UNIT_READY.\n");
retval = tw_scsiop_test_unit_ready(tw_dev, request_id);
break;
case INQUIRY:
dprintk(KERN_NOTICE "3w-xxxx: tw_scsi_queue(): caught INQUIRY.\n");
retval = tw_scsiop_inquiry(tw_dev, request_id);
break;
case READ_CAPACITY:
dprintk(KERN_NOTICE "3w-xxxx: tw_scsi_queue(): caught READ_CAPACITY.\n");
retval = tw_scsiop_read_capacity(tw_dev, request_id);
break;
case REQUEST_SENSE:
dprintk(KERN_NOTICE "3w-xxxx: tw_scsi_queue(): caught REQUEST_SENSE.\n");
retval = tw_scsiop_request_sense(tw_dev, request_id);
break;
case MODE_SENSE:
dprintk(KERN_NOTICE "3w-xxxx: tw_scsi_queue(): caught MODE_SENSE.\n");
retval = tw_scsiop_mode_sense(tw_dev, request_id);
break;
case SYNCHRONIZE_CACHE:
dprintk(KERN_NOTICE "3w-xxxx: tw_scsi_queue(): caught SYNCHRONIZE_CACHE.\n");
retval = tw_scsiop_synchronize_cache(tw_dev, request_id);
break;
case TW_IOCTL:
printk(KERN_WARNING "3w-xxxx: SCSI_IOCTL_SEND_COMMAND deprecated, please update your 3ware tools.\n");
break;
default:
printk(KERN_NOTICE "3w-xxxx: scsi%d: Unknown scsi opcode: 0x%x\n", tw_dev->host->host_no, *command);
tw_dev->state[request_id] = TW_S_COMPLETED;
tw_state_request_finish(tw_dev, request_id);
SCpnt->result = (DRIVER_SENSE << 24) | SAM_STAT_CHECK_CONDITION;
scsi_build_sense_buffer(1, SCpnt->sense_buffer, ILLEGAL_REQUEST, 0x20, 0);
done(SCpnt);
retval = 0;
case READ_10:
case READ_6:
case WRITE_10:
case WRITE_6:
dprintk(KERN_NOTICE "3w-xxxx: tw_scsi_queue(): caught READ/WRITE.\n");
retval = tw_scsiop_read_write(tw_dev, request_id);
break;
case TEST_UNIT_READY:
dprintk(KERN_NOTICE "3w-xxxx: tw_scsi_queue(): caught TEST_UNIT_READY.\n");
retval = tw_scsiop_test_unit_ready(tw_dev, request_id);
break;
case INQUIRY:
dprintk(KERN_NOTICE "3w-xxxx: tw_scsi_queue(): caught INQUIRY.\n");
retval = tw_scsiop_inquiry(tw_dev, request_id);
break;
case READ_CAPACITY:
dprintk(KERN_NOTICE "3w-xxxx: tw_scsi_queue(): caught READ_CAPACITY.\n");
retval = tw_scsiop_read_capacity(tw_dev, request_id);
break;
case REQUEST_SENSE:
dprintk(KERN_NOTICE "3w-xxxx: tw_scsi_queue(): caught REQUEST_SENSE.\n");
retval = tw_scsiop_request_sense(tw_dev, request_id);
break;
case MODE_SENSE:
dprintk(KERN_NOTICE "3w-xxxx: tw_scsi_queue(): caught MODE_SENSE.\n");
retval = tw_scsiop_mode_sense(tw_dev, request_id);
break;
case SYNCHRONIZE_CACHE:
dprintk(KERN_NOTICE "3w-xxxx: tw_scsi_queue(): caught SYNCHRONIZE_CACHE.\n");
retval = tw_scsiop_synchronize_cache(tw_dev, request_id);
break;
case TW_IOCTL:
printk(KERN_WARNING "3w-xxxx: SCSI_IOCTL_SEND_COMMAND deprecated, please update your 3ware tools.\n");
break;
default:
printk(KERN_NOTICE "3w-xxxx: scsi%d: Unknown scsi opcode: 0x%x\n", tw_dev->host->host_no, *command);
tw_dev->state[request_id] = TW_S_COMPLETED;
tw_state_request_finish(tw_dev, request_id);
scsi_build_sense_buffer(1, SCpnt->sense_buffer, ILLEGAL_REQUEST, 0x20, 0);
done(SCpnt);
retval = 0;
}
if (retval) {
tw_dev->state[request_id] = TW_S_COMPLETED;
@ -1997,7 +1996,7 @@ static int tw_scsi_queue_lck(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_c
static DEF_SCSI_QCMD(tw_scsi_queue)
/* This function is the interrupt service routine */
static irqreturn_t tw_interrupt(int irq, void *dev_instance)
static irqreturn_t tw_interrupt(int irq, void *dev_instance)
{
int request_id;
u32 status_reg_value;
@ -2073,7 +2072,7 @@ static irqreturn_t tw_interrupt(int irq, void *dev_instance)
}
}
/* If there are no more pending requests, we mask command interrupt */
if (tw_dev->pending_request_count == 0)
if (tw_dev->pending_request_count == 0)
TW_MASK_COMMAND_INTERRUPT(tw_dev);
}
@ -2174,7 +2173,7 @@ static irqreturn_t tw_interrupt(int irq, void *dev_instance)
tw_dev->posted_request_count--;
}
}
/* Check for valid status after each drain */
status_reg_value = inl(TW_STATUS_REG_ADDR(tw_dev));
if (tw_check_bits(status_reg_value)) {
@ -2244,7 +2243,7 @@ static struct scsi_host_template driver_template = {
.this_id = -1,
.sg_tablesize = TW_MAX_SGL_LENGTH,
.max_sectors = TW_MAX_SECTORS,
.cmd_per_lun = TW_MAX_CMDS_PER_LUN,
.cmd_per_lun = TW_MAX_CMDS_PER_LUN,
.shost_attrs = tw_host_attrs,
.emulated = 1,
.no_write_same = 1,

189
drivers/scsi/3w-xxxx.h
View File

@ -1,9 +1,9 @@
/*
/*
3w-xxxx.h -- 3ware Storage Controller device driver for Linux.
Written By: Adam Radford <aradford@gmail.com>
Modifications By: Joel Jacobson <linux@3ware.com>
Arnaldo Carvalho de Melo <acme@conectiva.com.br>
Arnaldo Carvalho de Melo <acme@conectiva.com.br>
Brad Strand <linux@3ware.com>
Copyright (C) 1999-2010 3ware Inc.
@ -15,39 +15,39 @@
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
NO WARRANTY
THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
solely responsible for determining the appropriateness of using and
distributing the Program and assumes all risks associated with its
exercise of rights under this Agreement, including but not limited to
the risks and costs of program errors, damage to or loss of data,
programs or equipment, and unavailability or interruption of operations.
NO WARRANTY
THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
solely responsible for determining the appropriateness of using and
distributing the Program and assumes all risks associated with its
exercise of rights under this Agreement, including but not limited to
the risks and costs of program errors, damage to or loss of data,
programs or equipment, and unavailability or interruption of operations.
DISCLAIMER OF LIABILITY
NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), 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 OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
DISCLAIMER OF LIABILITY
NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), 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 OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Bugs/Comments/Suggestions should be mailed to:
Bugs/Comments/Suggestions should be mailed to:
aradford@gmail.com
For more information, goto:
http://www.lsi.com
*/
@ -99,21 +99,21 @@ static char *tw_aen_string[] = {
static unsigned char tw_sense_table[][4] =
{
/* Codes for newer firmware */
// ATA Error SCSI Error
{0x01, 0x03, 0x13, 0x00}, // Address mark not found Address mark not found for data field
{0x04, 0x0b, 0x00, 0x00}, // Aborted command Aborted command
{0x10, 0x0b, 0x14, 0x00}, // ID not found Recorded entity not found
{0x40, 0x03, 0x11, 0x00}, // Uncorrectable ECC error Unrecovered read error
{0x61, 0x04, 0x00, 0x00}, // Device fault Hardware error
{0x84, 0x0b, 0x47, 0x00}, // Data CRC error SCSI parity error
{0xd0, 0x0b, 0x00, 0x00}, // Device busy Aborted command
{0xd1, 0x0b, 0x00, 0x00}, // Device busy Aborted command
{0x37, 0x02, 0x04, 0x00}, // Unit offline Not ready
{0x09, 0x02, 0x04, 0x00}, // Unrecovered disk error Not ready
// ATA Error SCSI Error
{0x01, 0x03, 0x13, 0x00}, // Address mark not found Address mark not found for data field
{0x04, 0x0b, 0x00, 0x00}, // Aborted command Aborted command
{0x10, 0x0b, 0x14, 0x00}, // ID not found Recorded entity not found
{0x40, 0x03, 0x11, 0x00}, // Uncorrectable ECC error Unrecovered read error
{0x61, 0x04, 0x00, 0x00}, // Device fault Hardware error
{0x84, 0x0b, 0x47, 0x00}, // Data CRC error SCSI parity error
{0xd0, 0x0b, 0x00, 0x00}, // Device busy Aborted command
{0xd1, 0x0b, 0x00, 0x00}, // Device busy Aborted command
{0x37, 0x02, 0x04, 0x00}, // Unit offline Not ready
{0x09, 0x02, 0x04, 0x00}, // Unrecovered disk error Not ready
/* Codes for older firmware */
// 3ware Error SCSI Error
{0x51, 0x0b, 0x00, 0x00} // Unspecified Aborted command
/* Codes for older firmware */
// 3ware Error SCSI Error
{0x51, 0x0b, 0x00, 0x00} // Unspecified Aborted command
};
/* Control register bit definitions */
@ -128,9 +128,9 @@ static unsigned char tw_sense_table[][4] =
#define TW_CONTROL_ENABLE_INTERRUPTS 0x00000080
#define TW_CONTROL_DISABLE_INTERRUPTS 0x00000040
#define TW_CONTROL_ISSUE_HOST_INTERRUPT 0x00000020
#define TW_CONTROL_CLEAR_PARITY_ERROR 0x00800000
#define TW_CONTROL_CLEAR_QUEUE_ERROR 0x00400000
#define TW_CONTROL_CLEAR_PCI_ABORT 0x00100000
#define TW_CONTROL_CLEAR_PARITY_ERROR 0x00800000
#define TW_CONTROL_CLEAR_QUEUE_ERROR 0x00400000
#define TW_CONTROL_CLEAR_PCI_ABORT 0x00100000
#define TW_CONTROL_CLEAR_SBUF_WRITE_ERROR 0x00000008
/* Status register bit definitions */
@ -152,8 +152,8 @@ static unsigned char tw_sense_table[][4] =
#define TW_STATUS_CLEARABLE_BITS 0x00D00000
#define TW_STATUS_EXPECTED_BITS 0x00002000
#define TW_STATUS_UNEXPECTED_BITS 0x00F00008
#define TW_STATUS_SBUF_WRITE_ERROR 0x00000008
#define TW_STATUS_VALID_INTERRUPT 0x00DF0008
#define TW_STATUS_SBUF_WRITE_ERROR 0x00000008
#define TW_STATUS_VALID_INTERRUPT 0x00DF0008
/* RESPONSE QUEUE BIT DEFINITIONS */
#define TW_RESPONSE_ID_MASK 0x00000FF0
@ -179,33 +179,33 @@ static unsigned char tw_sense_table[][4] =
#define TW_OP_SECTOR_INFO 0x1a
#define TW_OP_AEN_LISTEN 0x1c
#define TW_OP_FLUSH_CACHE 0x0e
#define TW_CMD_PACKET 0x1d
#define TW_CMD_PACKET 0x1d
#define TW_CMD_PACKET_WITH_DATA 0x1f
/* Asynchronous Event Notification (AEN) Codes */
#define TW_AEN_QUEUE_EMPTY 0x0000
#define TW_AEN_SOFT_RESET 0x0001
#define TW_AEN_SOFT_RESET 0x0001
#define TW_AEN_DEGRADED_MIRROR 0x0002
#define TW_AEN_CONTROLLER_ERROR 0x0003
#define TW_AEN_REBUILD_FAIL 0x0004
#define TW_AEN_REBUILD_DONE 0x0005
#define TW_AEN_QUEUE_FULL 0x00ff
#define TW_AEN_QUEUE_FULL 0x00ff
#define TW_AEN_TABLE_UNDEFINED 0x15
#define TW_AEN_APORT_TIMEOUT 0x0009
#define TW_AEN_DRIVE_ERROR 0x000A
#define TW_AEN_SMART_FAIL 0x000F
#define TW_AEN_SBUF_FAIL 0x0024
#define TW_AEN_SMART_FAIL 0x000F
#define TW_AEN_SBUF_FAIL 0x0024
/* Misc defines */
#define TW_ALIGNMENT_6000 64 /* 64 bytes */
#define TW_ALIGNMENT_7000 4 /* 4 bytes */
#define TW_ALIGNMENT_7000 4 /* 4 bytes */
#define TW_MAX_UNITS 16
#define TW_COMMAND_ALIGNMENT_MASK 0x1ff
#define TW_INIT_MESSAGE_CREDITS 0x100
#define TW_INIT_COMMAND_PACKET_SIZE 0x3
#define TW_POLL_MAX_RETRIES 20000
#define TW_POLL_MAX_RETRIES 20000
#define TW_MAX_SGL_LENGTH 62
#define TW_ATA_PASS_SGL_MAX 60
#define TW_ATA_PASS_SGL_MAX 60
#define TW_Q_LENGTH 256
#define TW_Q_START 0
#define TW_MAX_SLOT 32
@ -216,20 +216,20 @@ static unsigned char tw_sense_table[][4] =
chrdev ioctl, one for
internal aen post */
#define TW_BLOCK_SIZE 0x200 /* 512-byte blocks */
#define TW_IOCTL 0x80
#define TW_UNIT_ONLINE 1
#define TW_IN_INTR 1
#define TW_IN_RESET 2
#define TW_IN_CHRDEV_IOCTL 3
#define TW_MAX_SECTORS 256
#define TW_IOCTL 0x80
#define TW_UNIT_ONLINE 1
#define TW_IN_INTR 1
#define TW_IN_RESET 2
#define TW_IN_CHRDEV_IOCTL 3
#define TW_MAX_SECTORS 256
#define TW_MAX_IOCTL_SECTORS 512
#define TW_AEN_WAIT_TIME 1000
#define TW_IOCTL_WAIT_TIME (1 * HZ) /* 1 second */
#define TW_ISR_DONT_COMPLETE 2
#define TW_ISR_DONT_RESULT 3
#define TW_IOCTL_TIMEOUT 25 /* 25 seconds */
#define TW_IOCTL_CHRDEV_TIMEOUT 60 /* 60 seconds */
#define TW_IOCTL_CHRDEV_FREE -1
#define TW_AEN_WAIT_TIME 1000
#define TW_IOCTL_WAIT_TIME (1 * HZ) /* 1 second */
#define TW_ISR_DONT_COMPLETE 2
#define TW_ISR_DONT_RESULT 3
#define TW_IOCTL_TIMEOUT 25 /* 25 seconds */
#define TW_IOCTL_CHRDEV_TIMEOUT 60 /* 60 seconds */
#define TW_IOCTL_CHRDEV_FREE -1
#define TW_MAX_CDB_LEN 16
/* Bitmask macros to eliminate bitfields */
@ -250,26 +250,35 @@ static unsigned char tw_sense_table[][4] =
#define TW_STATUS_REG_ADDR(x) (x->base_addr + 0x4)
#define TW_COMMAND_QUEUE_REG_ADDR(x) (x->base_addr + 0x8)
#define TW_RESPONSE_QUEUE_REG_ADDR(x) (x->base_addr + 0xC)
#define TW_CLEAR_ALL_INTERRUPTS(x) (outl(TW_STATUS_VALID_INTERRUPT, TW_CONTROL_REG_ADDR(x)))
#define TW_CLEAR_ATTENTION_INTERRUPT(x) (outl(TW_CONTROL_CLEAR_ATTENTION_INTERRUPT, TW_CONTROL_REG_ADDR(x)))
#define TW_CLEAR_HOST_INTERRUPT(x) (outl(TW_CONTROL_CLEAR_HOST_INTERRUPT, TW_CONTROL_REG_ADDR(x)))
#define TW_DISABLE_INTERRUPTS(x) (outl(TW_CONTROL_DISABLE_INTERRUPTS, TW_CONTROL_REG_ADDR(x)))
#define TW_ENABLE_AND_CLEAR_INTERRUPTS(x) (outl(TW_CONTROL_CLEAR_ATTENTION_INTERRUPT | TW_CONTROL_UNMASK_RESPONSE_INTERRUPT | TW_CONTROL_ENABLE_INTERRUPTS, TW_CONTROL_REG_ADDR(x)))
#define TW_MASK_COMMAND_INTERRUPT(x) (outl(TW_CONTROL_MASK_COMMAND_INTERRUPT, TW_CONTROL_REG_ADDR(x)))
#define TW_UNMASK_COMMAND_INTERRUPT(x) (outl(TW_CONTROL_UNMASK_COMMAND_INTERRUPT, TW_CONTROL_REG_ADDR(x)))
#define TW_SOFT_RESET(x) (outl(TW_CONTROL_ISSUE_SOFT_RESET | \
TW_CONTROL_CLEAR_HOST_INTERRUPT | \
TW_CONTROL_CLEAR_ATTENTION_INTERRUPT | \
TW_CONTROL_MASK_COMMAND_INTERRUPT | \
TW_CONTROL_MASK_RESPONSE_INTERRUPT | \
TW_CONTROL_CLEAR_ERROR_STATUS | \
TW_CONTROL_DISABLE_INTERRUPTS, TW_CONTROL_REG_ADDR(x)))
#define TW_STATUS_ERRORS(x) \
(((x & TW_STATUS_PCI_ABORT) || \
(x & TW_STATUS_PCI_PARITY_ERROR) || \
(x & TW_STATUS_QUEUE_ERROR) || \
(x & TW_STATUS_MICROCONTROLLER_ERROR)) && \
(x & TW_STATUS_MICROCONTROLLER_READY))
#define TW_CLEAR_ALL_INTERRUPTS(x) \
(outl(TW_STATUS_VALID_INTERRUPT, TW_CONTROL_REG_ADDR(x)))
#define TW_CLEAR_ATTENTION_INTERRUPT(x) \
(outl(TW_CONTROL_CLEAR_ATTENTION_INTERRUPT, TW_CONTROL_REG_ADDR(x)))
#define TW_CLEAR_HOST_INTERRUPT(x) \
(outl(TW_CONTROL_CLEAR_HOST_INTERRUPT, TW_CONTROL_REG_ADDR(x)))
#define TW_DISABLE_INTERRUPTS(x) \
(outl(TW_CONTROL_DISABLE_INTERRUPTS, TW_CONTROL_REG_ADDR(x)))
#define TW_ENABLE_AND_CLEAR_INTERRUPTS(x) \
(outl(TW_CONTROL_CLEAR_ATTENTION_INTERRUPT | \
TW_CONTROL_UNMASK_RESPONSE_INTERRUPT | \
TW_CONTROL_ENABLE_INTERRUPTS, TW_CONTROL_REG_ADDR(x)))
#define TW_MASK_COMMAND_INTERRUPT(x) \
(outl(TW_CONTROL_MASK_COMMAND_INTERRUPT, TW_CONTROL_REG_ADDR(x)))
#define TW_UNMASK_COMMAND_INTERRUPT(x) \
(outl(TW_CONTROL_UNMASK_COMMAND_INTERRUPT, TW_CONTROL_REG_ADDR(x)))
#define TW_SOFT_RESET(x) (outl(TW_CONTROL_ISSUE_SOFT_RESET | \
TW_CONTROL_CLEAR_HOST_INTERRUPT | \
TW_CONTROL_CLEAR_ATTENTION_INTERRUPT | \
TW_CONTROL_MASK_COMMAND_INTERRUPT | \
TW_CONTROL_MASK_RESPONSE_INTERRUPT | \
TW_CONTROL_CLEAR_ERROR_STATUS | \
TW_CONTROL_DISABLE_INTERRUPTS, TW_CONTROL_REG_ADDR(x)))
#define TW_STATUS_ERRORS(x) \
(((x & TW_STATUS_PCI_ABORT) || \
(x & TW_STATUS_PCI_PARITY_ERROR) || \
(x & TW_STATUS_QUEUE_ERROR) || \
(x & TW_STATUS_MICROCONTROLLER_ERROR)) && \
(x & TW_STATUS_MICROCONTROLLER_READY))
#ifdef TW_DEBUG
#define dprintk(msg...) printk(msg)