Written By: Adam Radford <linuxraid@amcc.com>
Modifications By: Tom Couch <linuxraid@amcc.com>
- Copyright (C) 2004-2006 Applied Micro Circuits Corporation.
+ Copyright (C) 2004-2007 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
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.
*/
#include <linux/module.h>
#include "3w-9xxx.h"
/* Globals */
-#define TW_DRIVER_VERSION "2.26.02.008"
+#define TW_DRIVER_VERSION "2.26.02.010"
static TW_Device_Extension *twa_device_extension_list[TW_MAX_SLOT];
static unsigned int twa_device_extension_count;
static int twa_major = -1;
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);
/* 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;
} /* 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,
};
/* Host attributes initializer */
-static struct class_device_attribute *twa_host_attrs[] = {
+static struct device_attribute *twa_host_attrs[] = {
&twa_host_stats_attr,
NULL,
};
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));
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;
- twa_reset_device_extension(tw_dev, 1);
+ twa_reset_device_extension(tw_dev);
goto out3;
}
} /* End twa_chrdev_ioctl() */
/* This function handles open for the character device */
+/* NOTE that this function will race with remove; adding BKL
+ will not help. */
static int twa_chrdev_open(struct inode *inode, struct file *file)
{
unsigned int minor_number;
}
if (status_reg_value & TW_STATUS_QUEUE_ERROR) {
- if ((tw_dev->tw_pci_dev->device != PCI_DEVICE_ID_3WARE_9650SE) || (!test_bit(TW_IN_RESET, &tw_dev->flags)))
+ 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));
}
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)) {
+ 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));
}
/* 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)));
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;
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) {
} /* 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;
if (TW_SGL_OUT(oldcommand->opcode__sgloffset)) {
/* Load the sg list */
- sgl = (TW_SG_Entry *)((u32 *)oldcommand+TW_SGL_OUT(oldcommand->opcode__sgloffset));
+ 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() */
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) {
+ 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));
}
TW_UNMASK_COMMAND_INTERRUPT(tw_dev);
goto out;
} else {
- if (tw_dev->tw_pci_dev->device == PCI_DEVICE_ID_3WARE_9650SE) {
+ 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 {
} /* 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;
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;
}
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) {
- struct scatterlist *sg = scsi_sglist(srb);
- 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);
- }
+ 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 {
(cmd->sc_data_direction == DMA_FROM_DEVICE ||
cmd->sc_data_direction == DMA_BIDIRECTIONAL)) {
if (scsi_sg_count(cmd) == 1) {
- struct scatterlist *sg = scsi_sglist(tw_dev->srb[request_id]);
- char *buf;
- unsigned long flags = 0;
+ unsigned long flags;
+ void *buf = tw_dev->generic_buffer_virt[request_id];
+
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);
+ scsi_sg_copy_from_buffer(cmd, buf, TW_SECTOR_SIZE);
local_irq_restore(flags);
}
}
}
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_64BIT_MASK)
+ || pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK))
+ if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)
+ || pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK)) {
+ 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) {
}
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;
goto out_iounmap;
/* Set host specific parameters */
- if (pdev->device == PCI_DEVICE_ID_3WARE_9650SE)
+ 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;
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);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff