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path: root/drivers/scsi/3w-9xxx.c
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Diffstat (limited to 'drivers/scsi/3w-9xxx.c')
-rw-r--r--drivers/scsi/3w-9xxx.c684
1 files changed, 407 insertions, 277 deletions
diff --git a/drivers/scsi/3w-9xxx.c b/drivers/scsi/3w-9xxx.c
index 31c49754227..0a7325361d2 100644
--- a/drivers/scsi/3w-9xxx.c
+++ b/drivers/scsi/3w-9xxx.c
@@ -1,9 +1,11 @@
/*
3w-9xxx.c -- 3ware 9000 Storage Controller device driver for Linux.
- Written By: Adam Radford <linuxraid@amcc.com>
+ Written By: Adam Radford <linuxraid@lsi.com>
+ Modifications By: Tom Couch <linuxraid@lsi.com>
- Copyright (C) 2004-2005 Applied Micro Circuits Corporation.
+ Copyright (C) 2004-2009 Applied Micro Circuits Corporation.
+ Copyright (C) 2010 LSI Corporation.
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
@@ -39,10 +41,10 @@
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Bugs/Comments/Suggestions should be mailed to:
- linuxraid@amcc.com
+ linuxraid@lsi.com
For more information, goto:
- http://www.amcc.com
+ http://www.lsi.com
Note: This version of the driver does not contain a bundled firmware
image.
@@ -61,6 +63,22 @@
Add support for embedded firmware error strings.
2.26.02.003 - Correctly handle single sgl's with use_sg=1.
2.26.02.004 - Add support for 9550SX controllers.
+ 2.26.02.005 - Fix use_sg == 0 mapping on systems with 4GB or higher.
+ 2.26.02.006 - Fix 9550SX pchip reset timeout.
+ Add big endian support.
+ 2.26.02.007 - Disable local interrupts during kmap/unmap_atomic().
+ 2.26.02.008 - Free irq handler in __twa_shutdown().
+ Serialize reset code.
+ Add support for 9650SE controllers.
+ 2.26.02.009 - Fix dma mask setting to fallback to 32-bit if 64-bit fails.
+ 2.26.02.010 - Add support for 9690SA controllers.
+ 2.26.02.011 - Increase max AENs drained to 256.
+ Add MSI support and "use_msi" module parameter.
+ Fix bug in twa_get_param() on 4GB+.
+ Use pci_resource_len() for ioremap().
+ 2.26.02.012 - Add power management support.
+ 2.26.02.013 - Fix bug in twa_load_sgl().
+ 2.26.02.014 - Force 60 second timeout default.
*/
#include <linux/module.h>
@@ -74,6 +92,7 @@
#include <linux/pci.h>
#include <linux/time.h>
#include <linux/mutex.h>
+#include <linux/slab.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/uaccess.h>
@@ -84,24 +103,29 @@
#include "3w-9xxx.h"
/* Globals */
-#define TW_DRIVER_VERSION "2.26.02.004"
+#define TW_DRIVER_VERSION "2.26.02.014"
+static DEFINE_MUTEX(twa_chrdev_mutex);
static TW_Device_Extension *twa_device_extension_list[TW_MAX_SLOT];
static unsigned int twa_device_extension_count;
static int twa_major = -1;
extern struct timezone sys_tz;
/* Module parameters */
-MODULE_AUTHOR ("AMCC");
+MODULE_AUTHOR ("LSI");
MODULE_DESCRIPTION ("3ware 9000 Storage Controller Linux Driver");
MODULE_LICENSE("GPL");
MODULE_VERSION(TW_DRIVER_VERSION);
+static int use_msi = 0;
+module_param(use_msi, int, S_IRUGO);
+MODULE_PARM_DESC(use_msi, "Use Message Signaled Interrupts. Default: 0");
+
/* Function prototypes */
static void twa_aen_queue_event(TW_Device_Extension *tw_dev, TW_Command_Apache_Header *header);
static int twa_aen_read_queue(TW_Device_Extension *tw_dev, int request_id);
static char *twa_aen_severity_lookup(unsigned char severity_code);
static void twa_aen_sync_time(TW_Device_Extension *tw_dev, int request_id);
-static int twa_chrdev_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg);
+static long twa_chrdev_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
static int twa_chrdev_open(struct inode *inode, struct file *file);
static int twa_fill_sense(TW_Device_Extension *tw_dev, int request_id, int copy_sense, int print_host);
static void twa_free_request_id(TW_Device_Extension *tw_dev,int request_id);
@@ -116,11 +140,11 @@ static int twa_initconnection(TW_Device_Extension *tw_dev, int message_credits,
unsigned short *fw_on_ctlr_branch,
unsigned short *fw_on_ctlr_build,
u32 *init_connect_result);
-static void twa_load_sgl(TW_Command_Full *full_command_packet, int request_id, dma_addr_t dma_handle, int length);
+static void twa_load_sgl(TW_Device_Extension *tw_dev, TW_Command_Full *full_command_packet, int request_id, dma_addr_t dma_handle, int length);
static int twa_poll_response(TW_Device_Extension *tw_dev, int request_id, int seconds);
static int twa_poll_status_gone(TW_Device_Extension *tw_dev, u32 flag, int seconds);
static int twa_post_command_packet(TW_Device_Extension *tw_dev, int request_id, char internal);
-static int twa_reset_device_extension(TW_Device_Extension *tw_dev, int ioctl_reset);
+static int twa_reset_device_extension(TW_Device_Extension *tw_dev);
static int twa_reset_sequence(TW_Device_Extension *tw_dev, int soft_reset);
static int twa_scsiop_execute_scsi(TW_Device_Extension *tw_dev, int request_id, char *cdb, int use_sg, TW_SG_Entry *sglistarg);
static void twa_scsiop_execute_scsi_complete(TW_Device_Extension *tw_dev, int request_id);
@@ -130,9 +154,10 @@ static void twa_unmap_scsi_data(TW_Device_Extension *tw_dev, int request_id);
/* Functions */
/* Show some statistics about the card */
-static ssize_t twa_show_stats(struct class_device *class_dev, char *buf)
+static ssize_t twa_show_stats(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
- struct Scsi_Host *host = class_to_shost(class_dev);
+ struct Scsi_Host *host = class_to_shost(dev);
TW_Device_Extension *tw_dev = (TW_Device_Extension *)host->hostdata;
unsigned long flags = 0;
ssize_t len;
@@ -165,8 +190,12 @@ static ssize_t twa_show_stats(struct class_device *class_dev, char *buf)
} /* End twa_show_stats() */
/* This function will set a devices queue depth */
-static int twa_change_queue_depth(struct scsi_device *sdev, int queue_depth)
+static int twa_change_queue_depth(struct scsi_device *sdev, int queue_depth,
+ int reason)
{
+ if (reason != SCSI_QDEPTH_DEFAULT)
+ return -EOPNOTSUPP;
+
if (queue_depth > TW_Q_LENGTH-2)
queue_depth = TW_Q_LENGTH-2;
scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, queue_depth);
@@ -174,7 +203,7 @@ static int twa_change_queue_depth(struct scsi_device *sdev, int queue_depth)
} /* End twa_change_queue_depth() */
/* Create sysfs 'stats' entry */
-static struct class_device_attribute twa_host_stats_attr = {
+static struct device_attribute twa_host_stats_attr = {
.attr = {
.name = "stats",
.mode = S_IRUGO,
@@ -183,17 +212,18 @@ static struct class_device_attribute twa_host_stats_attr = {
};
/* Host attributes initializer */
-static struct class_device_attribute *twa_host_attrs[] = {
+static struct device_attribute *twa_host_attrs[] = {
&twa_host_stats_attr,
NULL,
};
/* File operations struct for character device */
-static struct file_operations twa_fops = {
+static const struct file_operations twa_fops = {
.owner = THIS_MODULE,
- .ioctl = twa_chrdev_ioctl,
+ .unlocked_ioctl = twa_chrdev_ioctl,
.open = twa_chrdev_open,
- .release = NULL
+ .release = NULL,
+ .llseek = noop_llseek,
};
/* This function will complete an aen request from the isr */
@@ -207,7 +237,7 @@ static int twa_aen_complete(TW_Device_Extension *tw_dev, int request_id)
header = (TW_Command_Apache_Header *)tw_dev->generic_buffer_virt[request_id];
tw_dev->posted_request_count--;
- aen = header->status_block.error;
+ aen = le16_to_cpu(header->status_block.error);
full_command_packet = tw_dev->command_packet_virt[request_id];
command_packet = &full_command_packet->command.oldcommand;
@@ -304,7 +334,7 @@ static int twa_aen_drain_queue(TW_Device_Extension *tw_dev, int no_check_reset)
tw_dev->posted_request_count--;
header = (TW_Command_Apache_Header *)tw_dev->generic_buffer_virt[request_id];
- aen = header->status_block.error;
+ aen = le16_to_cpu(header->status_block.error);
queue = 0;
count++;
@@ -364,7 +394,7 @@ static void twa_aen_queue_event(TW_Device_Extension *tw_dev, TW_Command_Apache_H
tw_dev->aen_clobber = 1;
}
- aen = header->status_block.error;
+ aen = le16_to_cpu(header->status_block.error);
memset(event, 0, sizeof(TW_Event));
event->severity = TW_SEV_OUT(header->status_block.severity__reserved);
@@ -381,7 +411,7 @@ static void twa_aen_queue_event(TW_Device_Extension *tw_dev, TW_Command_Apache_H
header->err_specific_desc[sizeof(header->err_specific_desc) - 1] = '\0';
event->parameter_len = strlen(header->err_specific_desc);
- memcpy(event->parameter_data, header->err_specific_desc, event->parameter_len);
+ memcpy(event->parameter_data, header->err_specific_desc, event->parameter_len + (error_str[0] == '\0' ? 0 : (1 + strlen(error_str))));
if (event->severity != TW_AEN_SEVERITY_DEBUG)
printk(KERN_WARNING "3w-9xxx:%s AEN: %s (0x%02X:0x%04X): %s:%s.\n",
host,
@@ -461,24 +491,24 @@ static void twa_aen_sync_time(TW_Device_Extension *tw_dev, int request_id)
command_packet = &full_command_packet->command.oldcommand;
command_packet->opcode__sgloffset = TW_OPSGL_IN(2, TW_OP_SET_PARAM);
command_packet->request_id = request_id;
- command_packet->byte8_offset.param.sgl[0].address = tw_dev->generic_buffer_phys[request_id];
- command_packet->byte8_offset.param.sgl[0].length = TW_SECTOR_SIZE;
+ command_packet->byte8_offset.param.sgl[0].address = TW_CPU_TO_SGL(tw_dev->generic_buffer_phys[request_id]);
+ command_packet->byte8_offset.param.sgl[0].length = cpu_to_le32(TW_SECTOR_SIZE);
command_packet->size = TW_COMMAND_SIZE;
- command_packet->byte6_offset.parameter_count = 1;
+ command_packet->byte6_offset.parameter_count = cpu_to_le16(1);
/* Setup the param */
param = (TW_Param_Apache *)tw_dev->generic_buffer_virt[request_id];
memset(param, 0, TW_SECTOR_SIZE);
- param->table_id = TW_TIMEKEEP_TABLE | 0x8000; /* Controller time keep table */
- param->parameter_id = 0x3; /* SchedulerTime */
- param->parameter_size_bytes = 4;
+ param->table_id = cpu_to_le16(TW_TIMEKEEP_TABLE | 0x8000); /* Controller time keep table */
+ param->parameter_id = cpu_to_le16(0x3); /* SchedulerTime */
+ param->parameter_size_bytes = cpu_to_le16(4);
/* Convert system time in UTC to local time seconds since last
Sunday 12:00AM */
do_gettimeofday(&utc);
local_time = (u32)(utc.tv_sec - (sys_tz.tz_minuteswest * 60));
schedulertime = local_time - (3 * 86400);
- schedulertime = schedulertime % 604800;
+ schedulertime = cpu_to_le32(schedulertime % 604800);
memcpy(param->data, &schedulertime, sizeof(u32));
@@ -561,9 +591,9 @@ static int twa_check_srl(TW_Device_Extension *tw_dev, int *flashed)
goto out;
}
- tw_dev->working_srl = fw_on_ctlr_srl;
- tw_dev->working_branch = fw_on_ctlr_branch;
- tw_dev->working_build = fw_on_ctlr_build;
+ tw_dev->tw_compat_info.working_srl = fw_on_ctlr_srl;
+ tw_dev->tw_compat_info.working_branch = fw_on_ctlr_branch;
+ tw_dev->tw_compat_info.working_build = fw_on_ctlr_build;
/* Try base mode compatibility */
if (!(init_connect_result & TW_CTLR_FW_COMPATIBLE)) {
@@ -585,18 +615,32 @@ static int twa_check_srl(TW_Device_Extension *tw_dev, int *flashed)
}
goto out;
}
- tw_dev->working_srl = TW_BASE_FW_SRL;
- tw_dev->working_branch = TW_BASE_FW_BRANCH;
- tw_dev->working_build = TW_BASE_FW_BUILD;
- }
+ tw_dev->tw_compat_info.working_srl = TW_BASE_FW_SRL;
+ tw_dev->tw_compat_info.working_branch = TW_BASE_FW_BRANCH;
+ tw_dev->tw_compat_info.working_build = TW_BASE_FW_BUILD;
+ }
+
+ /* Load rest of compatibility struct */
+ strncpy(tw_dev->tw_compat_info.driver_version, TW_DRIVER_VERSION, strlen(TW_DRIVER_VERSION));
+ tw_dev->tw_compat_info.driver_srl_high = TW_CURRENT_DRIVER_SRL;
+ tw_dev->tw_compat_info.driver_branch_high = TW_CURRENT_DRIVER_BRANCH;
+ tw_dev->tw_compat_info.driver_build_high = TW_CURRENT_DRIVER_BUILD;
+ tw_dev->tw_compat_info.driver_srl_low = TW_BASE_FW_SRL;
+ tw_dev->tw_compat_info.driver_branch_low = TW_BASE_FW_BRANCH;
+ tw_dev->tw_compat_info.driver_build_low = TW_BASE_FW_BUILD;
+ tw_dev->tw_compat_info.fw_on_ctlr_srl = fw_on_ctlr_srl;
+ tw_dev->tw_compat_info.fw_on_ctlr_branch = fw_on_ctlr_branch;
+ tw_dev->tw_compat_info.fw_on_ctlr_build = fw_on_ctlr_build;
+
retval = 0;
out:
return retval;
} /* End twa_check_srl() */
/* This function handles ioctl for the character device */
-static int twa_chrdev_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
+static long twa_chrdev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
+ struct inode *inode = file_inode(file);
long timeout;
unsigned long *cpu_addr, data_buffer_length_adjusted = 0, flags = 0;
dma_addr_t dma_handle;
@@ -615,6 +659,8 @@ static int twa_chrdev_ioctl(struct inode *inode, struct file *file, unsigned int
int retval = TW_IOCTL_ERROR_OS_EFAULT;
void __user *argp = (void __user *)arg;
+ mutex_lock(&twa_chrdev_mutex);
+
/* Only let one of these through at a time */
if (mutex_lock_interruptible(&tw_dev->ioctl_lock)) {
retval = TW_IOCTL_ERROR_OS_EINTR;
@@ -626,7 +672,7 @@ static int twa_chrdev_ioctl(struct inode *inode, struct file *file, unsigned int
goto out2;
/* Check data buffer size */
- if (driver_command.buffer_length > TW_MAX_SECTORS * 512) {
+ if (driver_command.buffer_length > TW_MAX_SECTORS * 2048) {
retval = TW_IOCTL_ERROR_OS_EINVAL;
goto out2;
}
@@ -662,7 +708,7 @@ static int twa_chrdev_ioctl(struct inode *inode, struct file *file, unsigned int
full_command_packet = &tw_ioctl->firmware_command;
/* Load request id and sglist for both command types */
- twa_load_sgl(full_command_packet, request_id, dma_handle, data_buffer_length_adjusted);
+ twa_load_sgl(tw_dev, full_command_packet, request_id, dma_handle, data_buffer_length_adjusted);
memcpy(tw_dev->command_packet_virt[request_id], &(tw_ioctl->firmware_command), sizeof(TW_Command_Full));
@@ -675,26 +721,14 @@ static int twa_chrdev_ioctl(struct inode *inode, struct file *file, unsigned int
/* Now wait for command to complete */
timeout = wait_event_timeout(tw_dev->ioctl_wqueue, tw_dev->chrdev_request_id == TW_IOCTL_CHRDEV_FREE, timeout);
- /* See if we reset while waiting for the ioctl to complete */
- if (test_bit(TW_IN_RESET, &tw_dev->flags)) {
- clear_bit(TW_IN_RESET, &tw_dev->flags);
- retval = TW_IOCTL_ERROR_OS_ERESTARTSYS;
- goto out3;
- }
-
/* We timed out, and didn't get an interrupt */
if (tw_dev->chrdev_request_id != TW_IOCTL_CHRDEV_FREE) {
/* Now we need to reset the board */
printk(KERN_WARNING "3w-9xxx: scsi%d: WARNING: (0x%02X:0x%04X): Character ioctl (0x%x) timed out, resetting card.\n",
- tw_dev->host->host_no, TW_DRIVER, 0xc,
+ tw_dev->host->host_no, TW_DRIVER, 0x37,
cmd);
retval = TW_IOCTL_ERROR_OS_EIO;
- spin_lock_irqsave(tw_dev->host->host_lock, flags);
- tw_dev->state[request_id] = TW_S_COMPLETED;
- twa_free_request_id(tw_dev, request_id);
- tw_dev->posted_request_count--;
- spin_unlock_irqrestore(tw_dev->host->host_lock, flags);
- twa_reset_device_extension(tw_dev, 1);
+ twa_reset_device_extension(tw_dev);
goto out3;
}
@@ -710,18 +744,9 @@ static int twa_chrdev_ioctl(struct inode *inode, struct file *file, unsigned int
break;
case TW_IOCTL_GET_COMPATIBILITY_INFO:
tw_ioctl->driver_command.status = 0;
- /* Copy compatiblity struct into ioctl data buffer */
+ /* Copy compatibility struct into ioctl data buffer */
tw_compat_info = (TW_Compatibility_Info *)tw_ioctl->data_buffer;
- strncpy(tw_compat_info->driver_version, TW_DRIVER_VERSION, strlen(TW_DRIVER_VERSION));
- tw_compat_info->working_srl = tw_dev->working_srl;
- tw_compat_info->working_branch = tw_dev->working_branch;
- tw_compat_info->working_build = tw_dev->working_build;
- tw_compat_info->driver_srl_high = TW_CURRENT_DRIVER_SRL;
- tw_compat_info->driver_branch_high = TW_CURRENT_DRIVER_BRANCH;
- tw_compat_info->driver_build_high = TW_CURRENT_DRIVER_BUILD;
- tw_compat_info->driver_srl_low = TW_BASE_FW_SRL;
- tw_compat_info->driver_branch_low = TW_BASE_FW_BRANCH;
- tw_compat_info->driver_build_low = TW_BASE_FW_BUILD;
+ memcpy(tw_compat_info, &tw_dev->tw_compat_info, sizeof(TW_Compatibility_Info));
break;
case TW_IOCTL_GET_LAST_EVENT:
if (tw_dev->event_queue_wrapped) {
@@ -855,10 +880,12 @@ out3:
out2:
mutex_unlock(&tw_dev->ioctl_lock);
out:
+ mutex_unlock(&twa_chrdev_mutex);
return retval;
} /* End twa_chrdev_ioctl() */
/* This function handles open for the character device */
+/* NOTE that this function will race with remove. */
static int twa_chrdev_open(struct inode *inode, struct file *file)
{
unsigned int minor_number;
@@ -890,7 +917,10 @@ static int twa_decode_bits(TW_Device_Extension *tw_dev, u32 status_reg_value)
}
if (status_reg_value & TW_STATUS_QUEUE_ERROR) {
- TW_PRINTK(tw_dev->host, TW_DRIVER, 0xe, "Controller Queue Error: clearing");
+ if (((tw_dev->tw_pci_dev->device != PCI_DEVICE_ID_3WARE_9650SE) &&
+ (tw_dev->tw_pci_dev->device != PCI_DEVICE_ID_3WARE_9690SA)) ||
+ (!test_bit(TW_IN_RESET, &tw_dev->flags)))
+ TW_PRINTK(tw_dev->host, TW_DRIVER, 0xe, "Controller Queue Error: clearing");
writel(TW_CONTROL_CLEAR_QUEUE_ERROR, TW_CONTROL_REG_ADDR(tw_dev));
}
@@ -930,26 +960,20 @@ out:
/* This function will clear the pchip/response queue on 9550SX */
static int twa_empty_response_queue_large(TW_Device_Extension *tw_dev)
{
- u32 status_reg_value, response_que_value;
- int count = 0, retval = 1;
-
- if (tw_dev->tw_pci_dev->device == PCI_DEVICE_ID_3WARE_9550SX) {
- status_reg_value = readl(TW_STATUS_REG_ADDR(tw_dev));
+ u32 response_que_value = 0;
+ unsigned long before;
+ int retval = 1;
- while (((status_reg_value & TW_STATUS_RESPONSE_QUEUE_EMPTY) == 0) && (count < TW_MAX_RESPONSE_DRAIN)) {
+ if (tw_dev->tw_pci_dev->device != PCI_DEVICE_ID_3WARE_9000) {
+ before = jiffies;
+ while ((response_que_value & TW_9550SX_DRAIN_COMPLETED) != TW_9550SX_DRAIN_COMPLETED) {
response_que_value = readl(TW_RESPONSE_QUEUE_REG_ADDR_LARGE(tw_dev));
- if ((response_que_value & TW_9550SX_DRAIN_COMPLETED) == TW_9550SX_DRAIN_COMPLETED) {
- /* P-chip settle time */
- msleep(500);
- retval = 0;
+ msleep(1);
+ if (time_after(jiffies, before + HZ * 30))
goto out;
- }
- status_reg_value = readl(TW_STATUS_REG_ADDR(tw_dev));
- count++;
}
- if (count == TW_MAX_RESPONSE_DRAIN)
- goto out;
-
+ /* P-chip settle time */
+ msleep(500);
retval = 0;
} else
retval = 0;
@@ -971,7 +995,7 @@ static int twa_fill_sense(TW_Device_Extension *tw_dev, int request_id, int copy_
error_str = &(full_command_packet->header.err_specific_desc[strlen(full_command_packet->header.err_specific_desc) + 1]);
/* Don't print error for Logical unit not supported during rollcall */
- error = full_command_packet->header.status_block.error;
+ error = le16_to_cpu(full_command_packet->header.status_block.error);
if ((error != TW_ERROR_LOGICAL_UNIT_NOT_SUPPORTED) && (error != TW_ERROR_UNIT_OFFLINE)) {
if (print_host)
printk(KERN_WARNING "3w-9xxx: scsi%d: ERROR: (0x%02X:0x%04X): %s:%s.\n",
@@ -1029,13 +1053,12 @@ static void twa_free_request_id(TW_Device_Extension *tw_dev, int request_id)
tw_dev->free_tail = (tw_dev->free_tail + 1) % TW_Q_LENGTH;
} /* End twa_free_request_id() */
-/* This function will get parameter table entires from the firmware */
+/* This function will get parameter table entries from the firmware */
static void *twa_get_param(TW_Device_Extension *tw_dev, int request_id, int table_id, int parameter_id, int parameter_size_bytes)
{
TW_Command_Full *full_command_packet;
TW_Command *command_packet;
TW_Param_Apache *param;
- unsigned long param_value;
void *retval = NULL;
/* Setup the command packet */
@@ -1046,18 +1069,17 @@ static void *twa_get_param(TW_Device_Extension *tw_dev, int request_id, int tabl
command_packet->opcode__sgloffset = TW_OPSGL_IN(2, TW_OP_GET_PARAM);
command_packet->size = TW_COMMAND_SIZE;
command_packet->request_id = request_id;
- command_packet->byte6_offset.block_count = 1;
+ command_packet->byte6_offset.block_count = cpu_to_le16(1);
/* Now setup the param */
param = (TW_Param_Apache *)tw_dev->generic_buffer_virt[request_id];
memset(param, 0, TW_SECTOR_SIZE);
- param->table_id = table_id | 0x8000;
- param->parameter_id = parameter_id;
- param->parameter_size_bytes = parameter_size_bytes;
- param_value = tw_dev->generic_buffer_phys[request_id];
+ param->table_id = cpu_to_le16(table_id | 0x8000);
+ param->parameter_id = cpu_to_le16(parameter_id);
+ param->parameter_size_bytes = cpu_to_le16(parameter_size_bytes);
- command_packet->byte8_offset.param.sgl[0].address = param_value;
- command_packet->byte8_offset.param.sgl[0].length = TW_SECTOR_SIZE;
+ command_packet->byte8_offset.param.sgl[0].address = TW_CPU_TO_SGL(tw_dev->generic_buffer_phys[request_id]);
+ command_packet->byte8_offset.param.sgl[0].length = cpu_to_le32(TW_SECTOR_SIZE);
/* Post the command packet to the board */
twa_post_command_packet(tw_dev, request_id, 1);
@@ -1106,18 +1128,20 @@ static int twa_initconnection(TW_Device_Extension *tw_dev, int message_credits,
tw_initconnect = (TW_Initconnect *)&full_command_packet->command.oldcommand;
tw_initconnect->opcode__reserved = TW_OPRES_IN(0, TW_OP_INIT_CONNECTION);
tw_initconnect->request_id = request_id;
- tw_initconnect->message_credits = message_credits;
+ tw_initconnect->message_credits = cpu_to_le16(message_credits);
tw_initconnect->features = set_features;
/* Turn on 64-bit sgl support if we need to */
tw_initconnect->features |= sizeof(dma_addr_t) > 4 ? 1 : 0;
+ tw_initconnect->features = cpu_to_le32(tw_initconnect->features);
+
if (set_features & TW_EXTENDED_INIT_CONNECT) {
tw_initconnect->size = TW_INIT_COMMAND_PACKET_SIZE_EXTENDED;
- tw_initconnect->fw_srl = current_fw_srl;
- tw_initconnect->fw_arch_id = current_fw_arch_id;
- tw_initconnect->fw_branch = current_fw_branch;
- tw_initconnect->fw_build = current_fw_build;
+ tw_initconnect->fw_srl = cpu_to_le16(current_fw_srl);
+ tw_initconnect->fw_arch_id = cpu_to_le16(current_fw_arch_id);
+ tw_initconnect->fw_branch = cpu_to_le16(current_fw_branch);
+ tw_initconnect->fw_build = cpu_to_le16(current_fw_build);
} else
tw_initconnect->size = TW_INIT_COMMAND_PACKET_SIZE;
@@ -1129,11 +1153,11 @@ static int twa_initconnection(TW_Device_Extension *tw_dev, int message_credits,
TW_PRINTK(tw_dev->host, TW_DRIVER, 0x15, "No valid response during init connection");
} else {
if (set_features & TW_EXTENDED_INIT_CONNECT) {
- *fw_on_ctlr_srl = tw_initconnect->fw_srl;
- *fw_on_ctlr_arch_id = tw_initconnect->fw_arch_id;
- *fw_on_ctlr_branch = tw_initconnect->fw_branch;
- *fw_on_ctlr_build = tw_initconnect->fw_build;
- *init_connect_result = tw_initconnect->result;
+ *fw_on_ctlr_srl = le16_to_cpu(tw_initconnect->fw_srl);
+ *fw_on_ctlr_arch_id = le16_to_cpu(tw_initconnect->fw_arch_id);
+ *fw_on_ctlr_branch = le16_to_cpu(tw_initconnect->fw_branch);
+ *fw_on_ctlr_build = le16_to_cpu(tw_initconnect->fw_build);
+ *init_connect_result = le32_to_cpu(tw_initconnect->result);
}
retval = 0;
}
@@ -1162,13 +1186,12 @@ static int twa_initialize_device_extension(TW_Device_Extension *tw_dev)
}
/* Allocate event info space */
- tw_dev->event_queue[0] = kmalloc(sizeof(TW_Event) * TW_Q_LENGTH, GFP_KERNEL);
+ tw_dev->event_queue[0] = kcalloc(TW_Q_LENGTH, sizeof(TW_Event), GFP_KERNEL);
if (!tw_dev->event_queue[0]) {
TW_PRINTK(tw_dev->host, TW_DRIVER, 0x18, "Event info memory allocation failed");
goto out;
}
- memset(tw_dev->event_queue[0], 0, sizeof(TW_Event) * TW_Q_LENGTH);
for (i = 0; i < TW_Q_LENGTH; i++) {
tw_dev->event_queue[i] = (TW_Event *)((unsigned char *)tw_dev->event_queue[0] + (i * sizeof(TW_Event)));
@@ -1192,13 +1215,12 @@ out:
} /* End twa_initialize_device_extension() */
/* This function is the interrupt service routine */
-static irqreturn_t twa_interrupt(int irq, void *dev_instance, struct pt_regs *regs)
+static irqreturn_t twa_interrupt(int irq, void *dev_instance)
{
int request_id, error = 0;
u32 status_reg_value;
TW_Response_Queue response_que;
TW_Command_Full *full_command_packet;
- TW_Command *command_packet;
TW_Device_Extension *tw_dev = (TW_Device_Extension *)dev_instance;
int handled = 0;
@@ -1214,6 +1236,10 @@ static irqreturn_t twa_interrupt(int irq, void *dev_instance, struct pt_regs *re
handled = 1;
+ /* If we are resetting, bail */
+ if (test_bit(TW_IN_RESET, &tw_dev->flags))
+ goto twa_interrupt_bail;
+
/* Check controller for errors */
if (twa_check_bits(status_reg_value)) {
if (twa_decode_bits(tw_dev, status_reg_value)) {
@@ -1272,10 +1298,9 @@ static irqreturn_t twa_interrupt(int irq, void *dev_instance, struct pt_regs *re
request_id = TW_RESID_OUT(response_que.response_id);
full_command_packet = tw_dev->command_packet_virt[request_id];
error = 0;
- command_packet = &full_command_packet->command.oldcommand;
/* Check for command packet errors */
if (full_command_packet->command.newcommand.status != 0) {
- if (tw_dev->srb[request_id] != 0) {
+ if (tw_dev->srb[request_id] != NULL) {
error = twa_fill_sense(tw_dev, request_id, 1, 1);
} else {
/* Skip ioctl error prints */
@@ -1287,7 +1312,7 @@ static irqreturn_t twa_interrupt(int irq, void *dev_instance, struct pt_regs *re
/* Check for correct state */
if (tw_dev->state[request_id] != TW_S_POSTED) {
- if (tw_dev->srb[request_id] != 0) {
+ if (tw_dev->srb[request_id] != NULL) {
TW_PRINTK(tw_dev->host, TW_DRIVER, 0x1a, "Received a request id that wasn't posted");
TW_CLEAR_ALL_INTERRUPTS(tw_dev);
goto twa_interrupt_bail;
@@ -1295,7 +1320,7 @@ static irqreturn_t twa_interrupt(int irq, void *dev_instance, struct pt_regs *re
}
/* Check for internal command completion */
- if (tw_dev->srb[request_id] == 0) {
+ if (tw_dev->srb[request_id] == NULL) {
if (request_id != tw_dev->chrdev_request_id) {
if (twa_aen_complete(tw_dev, request_id))
TW_PRINTK(tw_dev->host, TW_DRIVER, 0x1b, "Error completing AEN during attention interrupt");
@@ -1304,22 +1329,26 @@ static irqreturn_t twa_interrupt(int irq, void *dev_instance, struct pt_regs *re
wake_up(&tw_dev->ioctl_wqueue);
}
} else {
+ struct scsi_cmnd *cmd;
+
+ cmd = tw_dev->srb[request_id];
+
twa_scsiop_execute_scsi_complete(tw_dev, request_id);
/* If no error command was a success */
if (error == 0) {
- tw_dev->srb[request_id]->result = (DID_OK << 16);
+ cmd->result = (DID_OK << 16);
}
/* If error, command failed */
if (error == 1) {
/* Ask for a host reset */
- tw_dev->srb[request_id]->result = (DID_OK << 16) | (CHECK_CONDITION << 1);
+ cmd->result = (DID_OK << 16) | (CHECK_CONDITION << 1);
}
/* Report residual bytes for single sgl */
- if ((tw_dev->srb[request_id]->use_sg <= 1) && (full_command_packet->command.newcommand.status == 0)) {
- if (full_command_packet->command.newcommand.sg_list[0].length < tw_dev->srb[request_id]->request_bufflen)
- tw_dev->srb[request_id]->resid = tw_dev->srb[request_id]->request_bufflen - full_command_packet->command.newcommand.sg_list[0].length;
+ if ((scsi_sg_count(cmd) <= 1) && (full_command_packet->command.newcommand.status == 0)) {
+ if (full_command_packet->command.newcommand.sg_list[0].length < scsi_bufflen(tw_dev->srb[request_id]))
+ scsi_set_resid(cmd, scsi_bufflen(cmd) - full_command_packet->command.newcommand.sg_list[0].length);
}
/* Now complete the io */
@@ -1347,32 +1376,40 @@ twa_interrupt_bail:
} /* End twa_interrupt() */
/* This function will load the request id and various sgls for ioctls */
-static void twa_load_sgl(TW_Command_Full *full_command_packet, int request_id, dma_addr_t dma_handle, int length)
+static void twa_load_sgl(TW_Device_Extension *tw_dev, TW_Command_Full *full_command_packet, int request_id, dma_addr_t dma_handle, int length)
{
TW_Command *oldcommand;
TW_Command_Apache *newcommand;
TW_SG_Entry *sgl;
+ unsigned int pae = 0;
+
+ if ((sizeof(long) < 8) && (sizeof(dma_addr_t) > 4))
+ pae = 1;
if (TW_OP_OUT(full_command_packet->command.newcommand.opcode__reserved) == TW_OP_EXECUTE_SCSI) {
newcommand = &full_command_packet->command.newcommand;
- newcommand->request_id__lunl =
- TW_REQ_LUN_IN(TW_LUN_OUT(newcommand->request_id__lunl), request_id);
- newcommand->sg_list[0].address = dma_handle + sizeof(TW_Ioctl_Buf_Apache) - 1;
- newcommand->sg_list[0].length = length;
+ newcommand->request_id__lunl =
+ cpu_to_le16(TW_REQ_LUN_IN(TW_LUN_OUT(newcommand->request_id__lunl), request_id));
+ if (length) {
+ newcommand->sg_list[0].address = TW_CPU_TO_SGL(dma_handle + sizeof(TW_Ioctl_Buf_Apache) - 1);
+ newcommand->sg_list[0].length = cpu_to_le32(length);
+ }
newcommand->sgl_entries__lunh =
- TW_REQ_LUN_IN(TW_LUN_OUT(newcommand->sgl_entries__lunh), 1);
+ cpu_to_le16(TW_REQ_LUN_IN(TW_LUN_OUT(newcommand->sgl_entries__lunh), length ? 1 : 0));
} else {
oldcommand = &full_command_packet->command.oldcommand;
oldcommand->request_id = request_id;
if (TW_SGL_OUT(oldcommand->opcode__sgloffset)) {
/* Load the sg list */
- sgl = (TW_SG_Entry *)((u32 *)oldcommand+TW_SGL_OUT(oldcommand->opcode__sgloffset));
- sgl->address = dma_handle + sizeof(TW_Ioctl_Buf_Apache) - 1;
- sgl->length = length;
+ if (tw_dev->tw_pci_dev->device == PCI_DEVICE_ID_3WARE_9690SA)
+ sgl = (TW_SG_Entry *)((u32 *)oldcommand+oldcommand->size - (sizeof(TW_SG_Entry)/4) + pae);
+ else
+ sgl = (TW_SG_Entry *)((u32 *)oldcommand+TW_SGL_OUT(oldcommand->opcode__sgloffset));
+ sgl->address = TW_CPU_TO_SGL(dma_handle + sizeof(TW_Ioctl_Buf_Apache) - 1);
+ sgl->length = cpu_to_le32(length);
- if ((sizeof(long) < 8) && (sizeof(dma_addr_t) > 4))
- oldcommand->size += 1;
+ oldcommand->size += pae;
}
}
} /* End twa_load_sgl() */
@@ -1382,52 +1419,20 @@ static int twa_map_scsi_sg_data(TW_Device_Extension *tw_dev, int request_id)
{
int use_sg;
struct scsi_cmnd *cmd = tw_dev->srb[request_id];
- struct pci_dev *pdev = tw_dev->tw_pci_dev;
- int retval = 0;
-
- if (cmd->use_sg == 0)
- goto out;
- use_sg = pci_map_sg(pdev, cmd->buffer, cmd->use_sg, DMA_BIDIRECTIONAL);
-
- if (use_sg == 0) {
+ use_sg = scsi_dma_map(cmd);
+ if (!use_sg)
+ return 0;
+ else if (use_sg < 0) {
TW_PRINTK(tw_dev->host, TW_DRIVER, 0x1c, "Failed to map scatter gather list");
- goto out;
+ return 0;
}
cmd->SCp.phase = TW_PHASE_SGLIST;
cmd->SCp.have_data_in = use_sg;
- retval = use_sg;
-out:
- return retval;
-} /* End twa_map_scsi_sg_data() */
-
-/* This function will perform a pci-dma map for a single buffer */
-static dma_addr_t twa_map_scsi_single_data(TW_Device_Extension *tw_dev, int request_id)
-{
- dma_addr_t mapping;
- struct scsi_cmnd *cmd = tw_dev->srb[request_id];
- struct pci_dev *pdev = tw_dev->tw_pci_dev;
- int retval = 0;
-
- if (cmd->request_bufflen == 0) {
- retval = 0;
- goto out;
- }
- mapping = pci_map_single(pdev, cmd->request_buffer, cmd->request_bufflen, DMA_BIDIRECTIONAL);
-
- if (mapping == 0) {
- TW_PRINTK(tw_dev->host, TW_DRIVER, 0x1d, "Failed to map page");
- goto out;
- }
-
- cmd->SCp.phase = TW_PHASE_SINGLE;
- cmd->SCp.have_data_in = mapping;
- retval = mapping;
-out:
- return retval;
-} /* End twa_map_scsi_single_data() */
+ return use_sg;
+} /* End twa_map_scsi_sg_data() */
/* This function will poll for a response interrupt of a request */
static int twa_poll_response(TW_Device_Extension *tw_dev, int request_id, int seconds)
@@ -1531,6 +1536,14 @@ static int twa_post_command_packet(TW_Device_Extension *tw_dev, int request_id,
int retval = 1;
command_que_value = tw_dev->command_packet_phys[request_id];
+
+ /* For 9650SE write low 4 bytes first */
+ if ((tw_dev->tw_pci_dev->device == PCI_DEVICE_ID_3WARE_9650SE) ||
+ (tw_dev->tw_pci_dev->device == PCI_DEVICE_ID_3WARE_9690SA)) {
+ command_que_value += TW_COMMAND_OFFSET;
+ writel((u32)command_que_value, TW_COMMAND_QUEUE_REG_ADDR_LARGE(tw_dev));
+ }
+
status_reg_value = readl(TW_STATUS_REG_ADDR(tw_dev));
if (twa_check_bits(status_reg_value))
@@ -1557,13 +1570,18 @@ static int twa_post_command_packet(TW_Device_Extension *tw_dev, int request_id,
TW_UNMASK_COMMAND_INTERRUPT(tw_dev);
goto out;
} else {
- /* We successfully posted the command packet */
- if (sizeof(dma_addr_t) > 4) {
- command_que_value += TW_COMMAND_OFFSET;
- writel((u32)command_que_value, TW_COMMAND_QUEUE_REG_ADDR(tw_dev));
- writel((u32)((u64)command_que_value >> 32), TW_COMMAND_QUEUE_REG_ADDR(tw_dev) + 0x4);
+ if ((tw_dev->tw_pci_dev->device == PCI_DEVICE_ID_3WARE_9650SE) ||
+ (tw_dev->tw_pci_dev->device == PCI_DEVICE_ID_3WARE_9690SA)) {
+ /* Now write upper 4 bytes */
+ writel((u32)((u64)command_que_value >> 32), TW_COMMAND_QUEUE_REG_ADDR_LARGE(tw_dev) + 0x4);
} else {
- writel(TW_COMMAND_OFFSET + command_que_value, TW_COMMAND_QUEUE_REG_ADDR(tw_dev));
+ if (sizeof(dma_addr_t) > 4) {
+ command_que_value += TW_COMMAND_OFFSET;
+ writel((u32)command_que_value, TW_COMMAND_QUEUE_REG_ADDR(tw_dev));
+ writel((u32)((u64)command_que_value >> 32), TW_COMMAND_QUEUE_REG_ADDR(tw_dev) + 0x4);
+ } else {
+ writel(TW_COMMAND_OFFSET + command_que_value, TW_COMMAND_QUEUE_REG_ADDR(tw_dev));
+ }
}
tw_dev->state[request_id] = TW_S_POSTED;
tw_dev->posted_request_count++;
@@ -1577,7 +1595,7 @@ out:
} /* End twa_post_command_packet() */
/* This function will reset a device extension */
-static int twa_reset_device_extension(TW_Device_Extension *tw_dev, int ioctl_reset)
+static int twa_reset_device_extension(TW_Device_Extension *tw_dev)
{
int i = 0;
int retval = 1;
@@ -1620,14 +1638,9 @@ static int twa_reset_device_extension(TW_Device_Extension *tw_dev, int ioctl_res
goto out;
TW_ENABLE_AND_CLEAR_INTERRUPTS(tw_dev);
+ clear_bit(TW_IN_RESET, &tw_dev->flags);
+ tw_dev->chrdev_request_id = TW_IOCTL_CHRDEV_FREE;
- /* Wake up any ioctl that was pending before the reset */
- if ((tw_dev->chrdev_request_id == TW_IOCTL_CHRDEV_FREE) || (ioctl_reset)) {
- clear_bit(TW_IN_RESET, &tw_dev->flags);
- } else {
- tw_dev->chrdev_request_id = TW_IOCTL_CHRDEV_FREE;
- wake_up(&tw_dev->ioctl_wqueue);
- }
retval = 0;
out:
return retval;
@@ -1736,25 +1749,35 @@ static int twa_scsi_eh_reset(struct scsi_cmnd *SCpnt)
"WARNING: (0x%02X:0x%04X): Command (0x%x) timed out, resetting card.\n",
TW_DRIVER, 0x2c, SCpnt->cmnd[0]);
+ /* Make sure we are not issuing an ioctl or resetting from ioctl */
+ mutex_lock(&tw_dev->ioctl_lock);
+
/* Now reset the card and some of the device extension data */
- if (twa_reset_device_extension(tw_dev, 0)) {
+ if (twa_reset_device_extension(tw_dev)) {
TW_PRINTK(tw_dev->host, TW_DRIVER, 0x2b, "Controller reset failed during scsi host reset");
goto out;
}
retval = SUCCESS;
out:
+ mutex_unlock(&tw_dev->ioctl_lock);
return retval;
} /* End twa_scsi_eh_reset() */
/* This is the main scsi queue function to handle scsi opcodes */
-static int twa_scsi_queue(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
+static int twa_scsi_queue_lck(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
{
int request_id, retval;
TW_Device_Extension *tw_dev = (TW_Device_Extension *)SCpnt->device->host->hostdata;
+ /* If we are resetting due to timed out ioctl, report as busy */
+ if (test_bit(TW_IN_RESET, &tw_dev->flags)) {
+ retval = SCSI_MLQUEUE_HOST_BUSY;
+ goto out;
+ }
+
/* Check if this FW supports luns */
- if ((SCpnt->device->lun != 0) && (tw_dev->working_srl < TW_FW_SRL_LUNS_SUPPORTED)) {
+ if ((SCpnt->device->lun != 0) && (tw_dev->tw_compat_info.working_srl < TW_FW_SRL_LUNS_SUPPORTED)) {
SCpnt->result = (DID_BAD_TARGET << 16);
done(SCpnt);
retval = 0;
@@ -1777,10 +1800,12 @@ static int twa_scsi_queue(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd
switch (retval) {
case SCSI_MLQUEUE_HOST_BUSY:
twa_free_request_id(tw_dev, request_id);
+ twa_unmap_scsi_data(tw_dev, request_id);
break;
case 1:
tw_dev->state[request_id] = TW_S_COMPLETED;
twa_free_request_id(tw_dev, request_id);
+ twa_unmap_scsi_data(tw_dev, request_id);
SCpnt->result = (DID_ERROR << 16);
done(SCpnt);
retval = 0;
@@ -1789,6 +1814,8 @@ out:
return retval;
} /* End twa_scsi_queue() */
+static DEF_SCSI_QCMD(twa_scsi_queue)
+
/* This function hands scsi cdb's to the firmware */
static int twa_scsiop_execute_scsi(TW_Device_Extension *tw_dev, int request_id, char *cdb, int use_sg, TW_SG_Entry *sglistarg)
{
@@ -1797,15 +1824,13 @@ static int twa_scsiop_execute_scsi(TW_Device_Extension *tw_dev, int request_id,
u32 num_sectors = 0x0;
int i, sg_count;
struct scsi_cmnd *srb = NULL;
- struct scatterlist *sglist = NULL;
- u32 buffaddr = 0x0;
+ struct scatterlist *sglist = NULL, *sg;
int retval = 1;
if (tw_dev->srb[request_id]) {
- if (tw_dev->srb[request_id]->request_buffer) {
- sglist = (struct scatterlist *)tw_dev->srb[request_id]->request_buffer;
- }
srb = tw_dev->srb[request_id];
+ if (scsi_sglist(srb))
+ sglist = scsi_sglist(srb);
}
/* Initialize command packet */
@@ -1827,10 +1852,10 @@ static int twa_scsiop_execute_scsi(TW_Device_Extension *tw_dev, int request_id,
if (srb) {
command_packet->unit = srb->device->id;
command_packet->request_id__lunl =
- TW_REQ_LUN_IN(srb->device->lun, request_id);
+ cpu_to_le16(TW_REQ_LUN_IN(srb->device->lun, request_id));
} else {
command_packet->request_id__lunl =
- TW_REQ_LUN_IN(0, request_id);
+ cpu_to_le16(TW_REQ_LUN_IN(0, request_id));
command_packet->unit = 0;
}
@@ -1838,65 +1863,44 @@ static int twa_scsiop_execute_scsi(TW_Device_Extension *tw_dev, int request_id,
if (!sglistarg) {
/* Map sglist from scsi layer to cmd packet */
- if (tw_dev->srb[request_id]->use_sg == 0) {
- if (tw_dev->srb[request_id]->request_bufflen < TW_MIN_SGL_LENGTH) {
- command_packet->sg_list[0].address = tw_dev->generic_buffer_phys[request_id];
- command_packet->sg_list[0].length = TW_MIN_SGL_LENGTH;
- if (tw_dev->srb[request_id]->sc_data_direction == DMA_TO_DEVICE || tw_dev->srb[request_id]->sc_data_direction == DMA_BIDIRECTIONAL)
- memcpy(tw_dev->generic_buffer_virt[request_id], tw_dev->srb[request_id]->request_buffer, tw_dev->srb[request_id]->request_bufflen);
- } else {
- buffaddr = twa_map_scsi_single_data(tw_dev, request_id);
- if (buffaddr == 0)
- goto out;
-
- command_packet->sg_list[0].address = buffaddr;
- command_packet->sg_list[0].length = tw_dev->srb[request_id]->request_bufflen;
- }
- command_packet->sgl_entries__lunh = TW_REQ_LUN_IN((srb->device->lun >> 4), 1);
-
- if (command_packet->sg_list[0].address & TW_ALIGNMENT_9000_SGL) {
- TW_PRINTK(tw_dev->host, TW_DRIVER, 0x2d, "Found unaligned address during execute scsi");
- goto out;
- }
- }
- if (tw_dev->srb[request_id]->use_sg > 0) {
- if ((tw_dev->srb[request_id]->use_sg == 1) && (tw_dev->srb[request_id]->request_bufflen < TW_MIN_SGL_LENGTH)) {
- if (tw_dev->srb[request_id]->sc_data_direction == DMA_TO_DEVICE || tw_dev->srb[request_id]->sc_data_direction == DMA_BIDIRECTIONAL) {
- struct scatterlist *sg = (struct scatterlist *)tw_dev->srb[request_id]->request_buffer;
- char *buf = kmap_atomic(sg->page, KM_IRQ0) + sg->offset;
- memcpy(tw_dev->generic_buffer_virt[request_id], buf, sg->length);
- kunmap_atomic(buf - sg->offset, KM_IRQ0);
- }
- command_packet->sg_list[0].address = tw_dev->generic_buffer_phys[request_id];
- command_packet->sg_list[0].length = TW_MIN_SGL_LENGTH;
+ if (scsi_sg_count(srb)) {
+ if ((scsi_sg_count(srb) == 1) &&
+ (scsi_bufflen(srb) < TW_MIN_SGL_LENGTH)) {
+ if (srb->sc_data_direction == DMA_TO_DEVICE ||
+ srb->sc_data_direction == DMA_BIDIRECTIONAL)
+ scsi_sg_copy_to_buffer(srb,
+ tw_dev->generic_buffer_virt[request_id],
+ TW_SECTOR_SIZE);
+ command_packet->sg_list[0].address = TW_CPU_TO_SGL(tw_dev->generic_buffer_phys[request_id]);
+ command_packet->sg_list[0].length = cpu_to_le32(TW_MIN_SGL_LENGTH);
} else {
sg_count = twa_map_scsi_sg_data(tw_dev, request_id);
if (sg_count == 0)
goto out;
- for (i = 0; i < sg_count; i++) {
- command_packet->sg_list[i].address = sg_dma_address(&sglist[i]);
- command_packet->sg_list[i].length = sg_dma_len(&sglist[i]);
- if (command_packet->sg_list[i].address & TW_ALIGNMENT_9000_SGL) {
+ scsi_for_each_sg(srb, sg, sg_count, i) {
+ command_packet->sg_list[i].address = TW_CPU_TO_SGL(sg_dma_address(sg));
+ command_packet->sg_list[i].length = cpu_to_le32(sg_dma_len(sg));
+ if (command_packet->sg_list[i].address & TW_CPU_TO_SGL(TW_ALIGNMENT_9000_SGL)) {
TW_PRINTK(tw_dev->host, TW_DRIVER, 0x2e, "Found unaligned sgl address during execute scsi");
goto out;
}
}
}
- command_packet->sgl_entries__lunh = TW_REQ_LUN_IN((srb->device->lun >> 4), tw_dev->srb[request_id]->use_sg);
+ command_packet->sgl_entries__lunh = cpu_to_le16(TW_REQ_LUN_IN((srb->device->lun >> 4), scsi_sg_count(tw_dev->srb[request_id])));
}
} else {
/* Internal cdb post */
for (i = 0; i < use_sg; i++) {
- command_packet->sg_list[i].address = sglistarg[i].address;
- command_packet->sg_list[i].length = sglistarg[i].length;
- if (command_packet->sg_list[i].address & TW_ALIGNMENT_9000_SGL) {
+ command_packet->sg_list[i].address = TW_CPU_TO_SGL(sglistarg[i].address);
+ command_packet->sg_list[i].length = cpu_to_le32(sglistarg[i].length);
+ if (command_packet->sg_list[i].address & TW_CPU_TO_SGL(TW_ALIGNMENT_9000_SGL)) {
TW_PRINTK(tw_dev->host, TW_DRIVER, 0x2f, "Found unaligned sgl address during internal post");
goto out;
}
}
- command_packet->sgl_entries__lunh = TW_REQ_LUN_IN(0, use_sg);
+ command_packet->sgl_entries__lunh = cpu_to_le16(TW_REQ_LUN_IN(0, use_sg));
}
if (srb) {
@@ -1914,7 +1918,7 @@ static int twa_scsiop_execute_scsi(TW_Device_Extension *tw_dev, int request_id,
/* Update SG statistics */
if (srb) {
- tw_dev->sgl_entries = tw_dev->srb[request_id]->use_sg;
+ tw_dev->sgl_entries = scsi_sg_count(tw_dev->srb[request_id]);
if (tw_dev->sgl_entries > tw_dev->max_sgl_entries)
tw_dev->max_sgl_entries = tw_dev->sgl_entries;
}
@@ -1933,19 +1937,15 @@ out:
/* This function completes an execute scsi operation */
static void twa_scsiop_execute_scsi_complete(TW_Device_Extension *tw_dev, int request_id)
{
- if (tw_dev->srb[request_id]->request_bufflen < TW_MIN_SGL_LENGTH &&
- (tw_dev->srb[request_id]->sc_data_direction == DMA_FROM_DEVICE ||
- tw_dev->srb[request_id]->sc_data_direction == DMA_BIDIRECTIONAL)) {
- if (tw_dev->srb[request_id]->use_sg == 0) {
- memcpy(tw_dev->srb[request_id]->request_buffer,
- tw_dev->generic_buffer_virt[request_id],
- tw_dev->srb[request_id]->request_bufflen);
- }
- if (tw_dev->srb[request_id]->use_sg == 1) {
- struct scatterlist *sg = (struct scatterlist *)tw_dev->srb[request_id]->request_buffer;
- char *buf = kmap_atomic(sg->page, KM_IRQ0) + sg->offset;
- memcpy(buf, tw_dev->generic_buffer_virt[request_id], sg->length);
- kunmap_atomic(buf - sg->offset, KM_IRQ0);
+ struct scsi_cmnd *cmd = tw_dev->srb[request_id];
+
+ if (scsi_bufflen(cmd) < TW_MIN_SGL_LENGTH &&
+ (cmd->sc_data_direction == DMA_FROM_DEVICE ||
+ cmd->sc_data_direction == DMA_BIDIRECTIONAL)) {
+ if (scsi_sg_count(cmd) == 1) {
+ void *buf = tw_dev->generic_buffer_virt[request_id];
+
+ scsi_sg_copy_from_buffer(cmd, buf, TW_SECTOR_SIZE);
}
}
} /* End twa_scsiop_execute_scsi_complete() */
@@ -1956,6 +1956,9 @@ static void __twa_shutdown(TW_Device_Extension *tw_dev)
/* Disable interrupts */
TW_DISABLE_INTERRUPTS(tw_dev);
+ /* Free up the IRQ */
+ free_irq(tw_dev->tw_pci_dev->irq, tw_dev);
+
printk(KERN_WARNING "3w-9xxx: Shutting down host %d.\n", tw_dev->host->host_no);
/* Tell the card we are shutting down */
@@ -1992,18 +1995,20 @@ static char *twa_string_lookup(twa_message_type *table, unsigned int code)
static void twa_unmap_scsi_data(TW_Device_Extension *tw_dev, int request_id)
{
struct scsi_cmnd *cmd = tw_dev->srb[request_id];
- struct pci_dev *pdev = tw_dev->tw_pci_dev;
- switch(cmd->SCp.phase) {
- case TW_PHASE_SINGLE:
- pci_unmap_single(pdev, cmd->SCp.have_data_in, cmd->request_bufflen, DMA_BIDIRECTIONAL);
- break;
- case TW_PHASE_SGLIST:
- pci_unmap_sg(pdev, cmd->request_buffer, cmd->use_sg, DMA_BIDIRECTIONAL);
- break;
- }
+ if (cmd->SCp.phase == TW_PHASE_SGLIST)
+ scsi_dma_unmap(cmd);
} /* End twa_unmap_scsi_data() */
+/* This function gets called when a disk is coming on-line */
+static int twa_slave_configure(struct scsi_device *sdev)
+{
+ /* Force 60 second timeout */
+ blk_queue_rq_timeout(sdev->request_queue, 60 * HZ);
+
+ return 0;
+} /* End twa_slave_configure() */
+
/* scsi_host_template initializer */
static struct scsi_host_template driver_template = {
.module = THIS_MODULE,
@@ -2013,21 +2018,23 @@ static struct scsi_host_template driver_template = {
.bios_param = twa_scsi_biosparam,
.change_queue_depth = twa_change_queue_depth,
.can_queue = TW_Q_LENGTH-2,
+ .slave_configure = twa_slave_configure,
.this_id = -1,
.sg_tablesize = TW_APACHE_MAX_SGL_LENGTH,
.max_sectors = TW_MAX_SECTORS,
.cmd_per_lun = TW_MAX_CMDS_PER_LUN,
.use_clustering = ENABLE_CLUSTERING,
.shost_attrs = twa_host_attrs,
- .emulated = 1
+ .emulated = 1,
+ .no_write_same = 1,
};
/* This function will probe and initialize a card */
-static int __devinit twa_probe(struct pci_dev *pdev, const struct pci_device_id *dev_id)
+static int twa_probe(struct pci_dev *pdev, const struct pci_device_id *dev_id)
{
struct Scsi_Host *host = NULL;
TW_Device_Extension *tw_dev;
- u32 mem_addr;
+ unsigned long mem_addr, mem_len;
int retval = -ENODEV;
retval = pci_enable_device(pdev);
@@ -2037,12 +2044,16 @@ static int __devinit twa_probe(struct pci_dev *pdev, const struct pci_device_id
}
pci_set_master(pdev);
-
- retval = pci_set_dma_mask(pdev, sizeof(dma_addr_t) > 4 ? DMA_64BIT_MASK : DMA_32BIT_MASK);
- if (retval) {
- TW_PRINTK(host, TW_DRIVER, 0x23, "Failed to set dma mask");
- goto out_disable_device;
- }
+ pci_try_set_mwi(pdev);
+
+ if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64))
+ || pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
+ if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32))
+ || pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) {
+ TW_PRINTK(host, TW_DRIVER, 0x23, "Failed to set dma mask");
+ retval = -ENODEV;
+ goto out_disable_device;
+ }
host = scsi_host_alloc(&driver_template, sizeof(TW_Device_Extension));
if (!host) {
@@ -2052,8 +2063,6 @@ static int __devinit twa_probe(struct pci_dev *pdev, const struct pci_device_id
}
tw_dev = (TW_Device_Extension *)host->hostdata;
- memset(tw_dev, 0, sizeof(TW_Device_Extension));
-
/* Save values to device extension */
tw_dev->host = host;
tw_dev->tw_pci_dev = pdev;
@@ -2070,13 +2079,16 @@ static int __devinit twa_probe(struct pci_dev *pdev, const struct pci_device_id
goto out_free_device_extension;
}
- if (pdev->device == PCI_DEVICE_ID_3WARE_9000)
+ if (pdev->device == PCI_DEVICE_ID_3WARE_9000) {
mem_addr = pci_resource_start(pdev, 1);
- else
+ mem_len = pci_resource_len(pdev, 1);
+ } else {
mem_addr = pci_resource_start(pdev, 2);
+ mem_len = pci_resource_len(pdev, 2);
+ }
/* Save base address */
- tw_dev->base_addr = ioremap(mem_addr, PAGE_SIZE);
+ tw_dev->base_addr = ioremap(mem_addr, mem_len);
if (!tw_dev->base_addr) {
TW_PRINTK(tw_dev->host, TW_DRIVER, 0x35, "Failed to ioremap");
goto out_release_mem_region;
@@ -2087,26 +2099,31 @@ static int __devinit twa_probe(struct pci_dev *pdev, const struct pci_device_id
/* Initialize the card */
if (twa_reset_sequence(tw_dev, 0))
- goto out_release_mem_region;
+ goto out_iounmap;
/* Set host specific parameters */
- host->max_id = TW_MAX_UNITS;
+ if ((pdev->device == PCI_DEVICE_ID_3WARE_9650SE) ||
+ (pdev->device == PCI_DEVICE_ID_3WARE_9690SA))
+ host->max_id = TW_MAX_UNITS_9650SE;
+ else
+ host->max_id = TW_MAX_UNITS;
+
host->max_cmd_len = TW_MAX_CDB_LEN;
/* Channels aren't supported by adapter */
- host->max_lun = TW_MAX_LUNS(tw_dev->working_srl);
+ host->max_lun = TW_MAX_LUNS(tw_dev->tw_compat_info.working_srl);
host->max_channel = 0;
/* Register the card with the kernel SCSI layer */
retval = scsi_add_host(host, &pdev->dev);
if (retval) {
TW_PRINTK(tw_dev->host, TW_DRIVER, 0x27, "scsi add host failed");
- goto out_release_mem_region;
+ goto out_iounmap;
}
pci_set_drvdata(pdev, host);
- printk(KERN_WARNING "3w-9xxx: scsi%d: Found a 3ware 9000 Storage Controller at 0x%x, IRQ: %d.\n",
+ printk(KERN_WARNING "3w-9xxx: scsi%d: Found a 3ware 9000 Storage Controller at 0x%lx, IRQ: %d.\n",
host->host_no, mem_addr, pdev->irq);
printk(KERN_WARNING "3w-9xxx: scsi%d: Firmware %s, BIOS %s, Ports: %d.\n",
host->host_no,
@@ -2114,11 +2131,16 @@ static int __devinit twa_probe(struct pci_dev *pdev, const struct pci_device_id
TW_PARAM_FWVER, TW_PARAM_FWVER_LENGTH),
(char *)twa_get_param(tw_dev, 1, TW_VERSION_TABLE,
TW_PARAM_BIOSVER, TW_PARAM_BIOSVER_LENGTH),
- *(int *)twa_get_param(tw_dev, 2, TW_INFORMATION_TABLE,
- TW_PARAM_PORTCOUNT, TW_PARAM_PORTCOUNT_LENGTH));
+ le32_to_cpu(*(int *)twa_get_param(tw_dev, 2, TW_INFORMATION_TABLE,
+ TW_PARAM_PORTCOUNT, TW_PARAM_PORTCOUNT_LENGTH)));
+
+ /* Try to enable MSI */
+ if (use_msi && (pdev->device != PCI_DEVICE_ID_3WARE_9000) &&
+ !pci_enable_msi(pdev))
+ set_bit(TW_USING_MSI, &tw_dev->flags);
/* Now setup the interrupt handler */
- retval = request_irq(pdev->irq, twa_interrupt, SA_SHIRQ, "3w-9xxx", tw_dev);
+ retval = request_irq(pdev->irq, twa_interrupt, IRQF_SHARED, "3w-9xxx", tw_dev);
if (retval) {
TW_PRINTK(tw_dev->host, TW_DRIVER, 0x30, "Error requesting IRQ");
goto out_remove_host;
@@ -2140,7 +2162,11 @@ static int __devinit twa_probe(struct pci_dev *pdev, const struct pci_device_id
return 0;
out_remove_host:
+ if (test_bit(TW_USING_MSI, &tw_dev->flags))
+ pci_disable_msi(pdev);
scsi_remove_host(host);
+out_iounmap:
+ iounmap(tw_dev->base_addr);
out_release_mem_region:
pci_release_regions(pdev);
out_free_device_extension:
@@ -2166,12 +2192,16 @@ static void twa_remove(struct pci_dev *pdev)
twa_major = -1;
}
- /* Free up the IRQ */
- free_irq(tw_dev->tw_pci_dev->irq, tw_dev);
-
/* Shutdown the card */
__twa_shutdown(tw_dev);
+ /* Disable MSI if enabled */
+ if (test_bit(TW_USING_MSI, &tw_dev->flags))
+ pci_disable_msi(pdev);
+
+ /* Free IO remapping */
+ iounmap(tw_dev->base_addr);
+
/* Free up the mem region */
pci_release_regions(pdev);
@@ -2183,12 +2213,108 @@ static void twa_remove(struct pci_dev *pdev)
twa_device_extension_count--;
} /* End twa_remove() */
+#ifdef CONFIG_PM
+/* This function is called on PCI suspend */
+static int twa_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+ struct Scsi_Host *host = pci_get_drvdata(pdev);
+ TW_Device_Extension *tw_dev = (TW_Device_Extension *)host->hostdata;
+
+ printk(KERN_WARNING "3w-9xxx: Suspending host %d.\n", tw_dev->host->host_no);
+
+ TW_DISABLE_INTERRUPTS(tw_dev);
+ free_irq(tw_dev->tw_pci_dev->irq, tw_dev);
+
+ if (test_bit(TW_USING_MSI, &tw_dev->flags))
+ pci_disable_msi(pdev);
+
+ /* Tell the card we are shutting down */
+ if (twa_initconnection(tw_dev, 1, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL)) {
+ TW_PRINTK(tw_dev->host, TW_DRIVER, 0x38, "Connection shutdown failed during suspend");
+ } else {
+ printk(KERN_WARNING "3w-9xxx: Suspend complete.\n");
+ }
+ TW_CLEAR_ALL_INTERRUPTS(tw_dev);
+
+ pci_save_state(pdev);
+ pci_disable_device(pdev);
+ pci_set_power_state(pdev, pci_choose_state(pdev, state));
+
+ return 0;
+} /* End twa_suspend() */
+
+/* This function is called on PCI resume */
+static int twa_resume(struct pci_dev *pdev)
+{
+ int retval = 0;
+ struct Scsi_Host *host = pci_get_drvdata(pdev);
+ TW_Device_Extension *tw_dev = (TW_Device_Extension *)host->hostdata;
+
+ printk(KERN_WARNING "3w-9xxx: Resuming host %d.\n", tw_dev->host->host_no);
+ pci_set_power_state(pdev, PCI_D0);
+ pci_enable_wake(pdev, PCI_D0, 0);
+ pci_restore_state(pdev);
+
+ retval = pci_enable_device(pdev);
+ if (retval) {
+ TW_PRINTK(tw_dev->host, TW_DRIVER, 0x39, "Enable device failed during resume");
+ return retval;
+ }
+
+ pci_set_master(pdev);
+ pci_try_set_mwi(pdev);
+
+ if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64))
+ || pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
+ if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32))
+ || pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) {
+ TW_PRINTK(host, TW_DRIVER, 0x40, "Failed to set dma mask during resume");
+ retval = -ENODEV;
+ goto out_disable_device;
+ }
+
+ /* Initialize the card */
+ if (twa_reset_sequence(tw_dev, 0)) {
+ retval = -ENODEV;
+ goto out_disable_device;
+ }
+
+ /* Now setup the interrupt handler */
+ retval = request_irq(pdev->irq, twa_interrupt, IRQF_SHARED, "3w-9xxx", tw_dev);
+ if (retval) {
+ TW_PRINTK(tw_dev->host, TW_DRIVER, 0x42, "Error requesting IRQ during resume");
+ retval = -ENODEV;
+ goto out_disable_device;
+ }
+
+ /* Now enable MSI if enabled */
+ if (test_bit(TW_USING_MSI, &tw_dev->flags))
+ pci_enable_msi(pdev);
+
+ /* Re-enable interrupts on the card */
+ TW_ENABLE_AND_CLEAR_INTERRUPTS(tw_dev);
+
+ printk(KERN_WARNING "3w-9xxx: Resume complete.\n");
+ return 0;
+
+out_disable_device:
+ scsi_remove_host(host);
+ pci_disable_device(pdev);
+
+ return retval;
+} /* End twa_resume() */
+#endif
+
/* PCI Devices supported by this driver */
-static struct pci_device_id twa_pci_tbl[] __devinitdata = {
+static struct pci_device_id twa_pci_tbl[] = {
{ PCI_VENDOR_ID_3WARE, PCI_DEVICE_ID_3WARE_9000,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
{ PCI_VENDOR_ID_3WARE, PCI_DEVICE_ID_3WARE_9550SX,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+ { PCI_VENDOR_ID_3WARE, PCI_DEVICE_ID_3WARE_9650SE,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+ { PCI_VENDOR_ID_3WARE, PCI_DEVICE_ID_3WARE_9690SA,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
{ }
};
MODULE_DEVICE_TABLE(pci, twa_pci_tbl);
@@ -2199,6 +2325,10 @@ static struct pci_driver twa_driver = {
.id_table = twa_pci_tbl,
.probe = twa_probe,
.remove = twa_remove,
+#ifdef CONFIG_PM
+ .suspend = twa_suspend,
+ .resume = twa_resume,
+#endif
.shutdown = twa_shutdown
};
@@ -2207,7 +2337,7 @@ static int __init twa_init(void)
{
printk(KERN_WARNING "3ware 9000 Storage Controller device driver for Linux v%s.\n", TW_DRIVER_VERSION);
- return pci_module_init(&twa_driver);
+ return pci_register_driver(&twa_driver);
} /* End twa_init() */
/* This function is called on driver exit */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2026-01-04 14:46:31 +0000