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
2.26.02.006 - 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.
*/
#include <linux/module.h>
#include "3w-9xxx.h"
/* Globals */
-#define TW_DRIVER_VERSION "2.26.02.007"
+#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);
};
/* 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,
.open = twa_chrdev_open,
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;
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;
}
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));
/* 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;
}
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) {
}
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));
}
unsigned long before;
int retval = 1;
- if (tw_dev->tw_pci_dev->device == PCI_DEVICE_ID_3WARE_9550SX) {
+ 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));
+ msleep(1);
if (time_after(jiffies, before + HZ * 30))
goto out;
}
}
/* 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;
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)) {
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) {
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 */
} /* 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->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 =
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() */
{
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->request_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;
- dma_addr_t 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)
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))
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++;
} /* 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;
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;
"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() */
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;
u32 num_sectors = 0x0;
int i, sg_count;
struct scsi_cmnd *srb = NULL;
- struct scatterlist *sglist = NULL;
- dma_addr_t 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 */
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_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 = 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 = cpu_to_le16(TW_REQ_LUN_IN((srb->device->lun >> 4), 1));
-
- 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)) {
- 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;
+ 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 (sg_count == 0)
goto out;
- for (i = 0; i < sg_count; i++) {
- 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]));
+ 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 = cpu_to_le16(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 */
/* 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;
}
/* 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;
+ 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) {
+ struct scatterlist *sg = scsi_sglist(tw_dev->srb[request_id]);
char *buf;
unsigned long flags = 0;
local_irq_save(flags);
/* 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 */
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;
- }
+ scsi_dma_unmap(cmd);
} /* End twa_unmap_scsi_data() */
/* scsi_host_template initializer */
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;
- }
+ 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) {
/* 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);
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);
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);