@@ -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.
-
- 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
-
- 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:
+ 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.
+
+ 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
+
+ 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,
@@ -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.
-
- 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
-
- 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:
+ 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.
+
+ 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
+
+ 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
-
- /* Codes for older firmware */
- // 3ware Error SCSI Error
- {0x51, 0x0b, 0x00, 0x00} // Unspecified Aborted command
+ // 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
};
/* 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)
Signed-off-by: Hannes Reinecke <hare@suse.de> --- drivers/scsi/3w-xxxx.c | 251 ++++++++++++++++++++--------------------- drivers/scsi/3w-xxxx.h | 199 ++++++++++++++++---------------- 2 files changed, 229 insertions(+), 221 deletions(-)