3w-9xxx.c -- 3ware 9000 Storage Controller device driver for Linux.
Written By: Adam Radford <linuxraid@amcc.com>
+ Modifications By: Tom Couch <linuxraid@amcc.com>
- Copyright (C) 2004-2005 Applied Micro Circuits Corporation.
+ Copyright (C) 2004-2006 Applied Micro Circuits 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
Fix 'handled=1' ISR usage, remove bogus IRQ check.
Remove un-needed eh_abort handler.
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.
*/
#include <linux/module.h>
#include <linux/delay.h>
#include <linux/pci.h>
#include <linux/time.h>
+#include <linux/mutex.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/uaccess.h>
#include "3w-9xxx.h"
/* Globals */
-#define TW_DRIVER_VERSION "2.26.02.002"
+#define TW_DRIVER_VERSION "2.26.02.008"
static TW_Device_Extension *twa_device_extension_list[TW_MAX_SLOT];
static unsigned int twa_device_extension_count;
static int twa_major = -1;
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;
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++;
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);
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,
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));
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)) {
}
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;
void __user *argp = (void __user *)arg;
/* Only let one of these through at a time */
- if (down_interruptible(&tw_dev->ioctl_sem)) {
+ if (mutex_lock_interruptible(&tw_dev->ioctl_lock)) {
retval = TW_IOCTL_ERROR_OS_EINTR;
goto out;
}
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;
}
/* 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 */
tw_dev->host->host_no, TW_DRIVER, 0xc,
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);
goto out3;
}
tw_ioctl->driver_command.status = 0;
/* Copy compatiblity 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) {
/* Now free ioctl buf memory */
dma_free_coherent(&tw_dev->tw_pci_dev->dev, data_buffer_length_adjusted+sizeof(TW_Ioctl_Buf_Apache) - 1, cpu_addr, dma_handle);
out2:
- up(&tw_dev->ioctl_sem);
+ mutex_unlock(&tw_dev->ioctl_lock);
out:
return retval;
} /* End twa_chrdev_ioctl() */
}
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) || (!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));
}
- if (status_reg_value & TW_STATUS_SBUF_WRITE_ERROR) {
- TW_PRINTK(tw_dev->host, TW_DRIVER, 0xf, "SBUF Write Error: clearing");
- writel(TW_CONTROL_CLEAR_SBUF_WRITE_ERROR, TW_CONTROL_REG_ADDR(tw_dev));
- }
-
if (status_reg_value & TW_STATUS_MICROCONTROLLER_ERROR) {
if (tw_dev->reset_print == 0) {
TW_PRINTK(tw_dev->host, TW_DRIVER, 0x10, "Microcontroller Error: clearing");
return retval;
} /* End twa_empty_response_queue() */
+/* This function will clear the pchip/response queue on 9550SX */
+static int twa_empty_response_queue_large(TW_Device_Extension *tw_dev)
+{
+ u32 response_que_value = 0;
+ unsigned long before;
+ int retval = 1;
+
+ if ((tw_dev->tw_pci_dev->device == PCI_DEVICE_ID_3WARE_9550SX) ||
+ (tw_dev->tw_pci_dev->device == PCI_DEVICE_ID_3WARE_9650SE)) {
+ 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));
+ msleep(1);
+ if (time_after(jiffies, before + HZ * 30))
+ goto out;
+ }
+ /* P-chip settle time */
+ msleep(500);
+ retval = 0;
+ } else
+ retval = 0;
+out:
+ return retval;
+} /* End twa_empty_response_queue_large() */
+
/* This function passes sense keys from firmware to scsi layer */
static int twa_fill_sense(TW_Device_Extension *tw_dev, int request_id, int copy_sense, int print_host)
{
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",
tw_dev->generic_buffer_virt[0],
tw_dev->generic_buffer_phys[0]);
- if (tw_dev->event_queue[0])
- kfree(tw_dev->event_queue[0]);
+ kfree(tw_dev->event_queue[0]);
} /* End twa_free_device_extension() */
/* This function will free a 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;
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->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);
param_value = tw_dev->generic_buffer_phys[request_id];
- 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(param_value);
+ 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);
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;
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;
}
tw_dev->error_sequence_id = 1;
tw_dev->chrdev_request_id = TW_IOCTL_CHRDEV_FREE;
- init_MUTEX(&tw_dev->ioctl_sem);
+ mutex_init(&tw_dev->ioctl_lock);
init_waitqueue_head(&tw_dev->ioctl_wqueue);
retval = 0;
} /* 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;
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)) {
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));
+ 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), 1));
} 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;
+ 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;
if (cmd->use_sg == 0)
goto out;
- use_sg = pci_map_sg(pdev, cmd->buffer, cmd->use_sg, DMA_BIDIRECTIONAL);
+ use_sg = pci_map_sg(pdev, cmd->request_buffer, cmd->use_sg, DMA_BIDIRECTIONAL);
if (use_sg == 0) {
TW_PRINTK(tw_dev->host, TW_DRIVER, 0x1c, "Failed to map scatter gather list");
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;
+ dma_addr_t retval = 0;
if (cmd->request_bufflen == 0) {
retval = 0;
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) {
+ 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))
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) {
+ /* 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++;
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;
int tries = 0, retval = 1, flashed = 0, do_soft_reset = soft_reset;
while (tries < TW_MAX_RESET_TRIES) {
- if (do_soft_reset)
+ if (do_soft_reset) {
TW_SOFT_RESET(tw_dev);
+ /* Clear pchip/response queue on 9550SX */
+ if (twa_empty_response_queue_large(tw_dev)) {
+ TW_PRINTK(tw_dev->host, TW_DRIVER, 0x36, "Response queue (large) empty failed during reset sequence");
+ do_soft_reset = 1;
+ tries++;
+ continue;
+ }
+ }
/* Make sure controller is in a good state */
if (twa_poll_status(tw_dev, TW_STATUS_MICROCONTROLLER_READY | (do_soft_reset == 1 ? TW_STATUS_ATTENTION_INTERRUPT : 0), 60)) {
tw_dev = (TW_Device_Extension *)SCpnt->device->host->hostdata;
- spin_unlock_irq(tw_dev->host->host_lock);
-
tw_dev->num_resets++;
- printk(KERN_WARNING "3w-9xxx: scsi%d: WARNING: (0x%02X:0x%04X): Unit #%d: Command (0x%x) timed out, resetting card.\n", tw_dev->host->host_no, TW_DRIVER, 0x2c, SCpnt->device->id, SCpnt->cmnd[0]);
+ sdev_printk(KERN_WARNING, SCpnt->device,
+ "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)) {
retval = SUCCESS;
out:
- spin_lock_irq(tw_dev->host->host_lock);
+ mutex_unlock(&tw_dev->ioctl_lock);
return retval;
} /* End twa_scsi_eh_reset() */
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;
int i, sg_count;
struct scsi_cmnd *srb = NULL;
struct scatterlist *sglist = NULL;
- u32 buffaddr = 0x0;
+ dma_addr_t buffaddr = 0x0;
int retval = 1;
if (tw_dev->srb[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;
}
/* 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;
+ 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);
+ 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->sg_list[0].address = TW_CPU_TO_SGL(buffaddr);
+ command_packet->sg_list[0].length = cpu_to_le32(tw_dev->srb[request_id]->request_bufflen);
}
- command_packet->sgl_entries__lunh = TW_REQ_LUN_IN((srb->device->lun >> 4), 1);
+ command_packet->sgl_entries__lunh = cpu_to_le16(TW_REQ_LUN_IN((srb->device->lun >> 4), 1));
- if (command_packet->sg_list[0].address & TW_ALIGNMENT_9000_SGL) {
+ if (command_packet->sg_list[0].address & TW_CPU_TO_SGL(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)) {
- 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) {
+ 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_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) {
+ command_packet->sg_list[i].address = TW_CPU_TO_SGL(sg_dma_address(&sglist[i]));
+ command_packet->sg_list[i].length = cpu_to_le32(sg_dma_len(&sglist[i]));
+ 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), tw_dev->srb[request_id]->use_sg));
}
} 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) {
/* This function completes an execute scsi operation */
static void twa_scsiop_execute_scsi_complete(TW_Device_Extension *tw_dev, int request_id)
{
- /* Copy the response if too small */
- if ((tw_dev->srb[request_id]->request_buffer) && (tw_dev->srb[request_id]->request_bufflen < TW_MIN_SGL_LENGTH)) {
- 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]->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;
+ unsigned long flags = 0;
+ local_irq_save(flags);
+ 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);
+ local_irq_restore(flags);
+ }
}
} /* End twa_scsiop_execute_scsi_complete() */
/* 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 */
} /* End __twa_shutdown() */
/* Wrapper for __twa_shutdown */
-static void twa_shutdown(struct device *dev)
+static void twa_shutdown(struct pci_dev *pdev)
{
- struct Scsi_Host *host = pci_get_drvdata(to_pci_dev(dev));
+ struct Scsi_Host *host = pci_get_drvdata(pdev);
TW_Device_Extension *tw_dev = (TW_Device_Extension *)host->hostdata;
__twa_shutdown(tw_dev);
goto out_free_device_extension;
}
- mem_addr = pci_resource_start(pdev, 1);
+ if (pdev->device == PCI_DEVICE_ID_3WARE_9000)
+ mem_addr = pci_resource_start(pdev, 1);
+ else
+ mem_addr = pci_resource_start(pdev, 2);
/* Save base address */
tw_dev->base_addr = ioremap(mem_addr, PAGE_SIZE);
/* 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)
+ 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);
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)));
/* 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;
out_remove_host:
scsi_remove_host(host);
+out_iounmap:
+ iounmap(tw_dev->base_addr);
out_release_mem_region:
pci_release_regions(pdev);
out_free_device_extension:
twa_major = -1;
}
- /* Free up the IRQ */
- free_irq(tw_dev->tw_pci_dev->irq, tw_dev);
-
/* Shutdown the card */
__twa_shutdown(tw_dev);
+ /* Free IO remapping */
+ iounmap(tw_dev->base_addr);
+
/* Free up the mem region */
pci_release_regions(pdev);
static struct pci_device_id twa_pci_tbl[] __devinitdata = {
{ 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},
{ }
};
MODULE_DEVICE_TABLE(pci, twa_pci_tbl);
.id_table = twa_pci_tbl,
.probe = twa_probe,
.remove = twa_remove,
- .driver = {
- .shutdown = twa_shutdown
- }
+ .shutdown = twa_shutdown
};
/* This function is called on driver initialization */
{
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 */