#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>
dprintk(KERN_WARNING "3w-xxxx: tw_chrdev_ioctl()\n");
/* Only let one of these through at a time */
- if (down_interruptible(&tw_dev->ioctl_sem))
+ if (mutex_lock_interruptible(&tw_dev->ioctl_lock))
return -EINTR;
/* First copy down the buffer length */
/* Now free ioctl buf memory */
dma_free_coherent(&tw_dev->tw_pci_dev->dev, data_buffer_length_adjusted+sizeof(TW_New_Ioctl) - 1, cpu_addr, dma_handle);
out:
- up(&tw_dev->ioctl_sem);
+ mutex_unlock(&tw_dev->ioctl_lock);
return retval;
} /* End tw_chrdev_ioctl() */
tw_dev->pending_tail = TW_Q_START;
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);
return 0;
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-xxxx: scsi%d: WARNING: Unit #%d: Command (0x%x) timed out, resetting card.\n", tw_dev->host->host_no, SCpnt->device->id, SCpnt->cmnd[0]);
+ sdev_printk(KERN_WARNING, SCpnt->device,
+ "WARNING: Command (0x%x) timed out, resetting card.\n",
+ SCpnt->cmnd[0]);
/* Now reset the card and some of the device extension data */
if (tw_reset_device_extension(tw_dev, 0)) {
retval = SUCCESS;
out:
- spin_lock_irq(tw_dev->host->host_lock);
return retval;
} /* End tw_scsi_eh_reset() */
return 0;
} /* End tw_scsiop_inquiry() */
+static void tw_transfer_internal(TW_Device_Extension *tw_dev, int request_id,
+ void *data, unsigned int len)
+{
+ struct scsi_cmnd *cmd = tw_dev->srb[request_id];
+ void *buf;
+ unsigned int transfer_len;
+ unsigned long flags = 0;
+
+ if (cmd->use_sg) {
+ struct scatterlist *sg =
+ (struct scatterlist *)cmd->request_buffer;
+ local_irq_save(flags);
+ buf = kmap_atomic(sg->page, KM_IRQ0) + sg->offset;
+ transfer_len = min(sg->length, len);
+ } else {
+ buf = cmd->request_buffer;
+ transfer_len = min(cmd->request_bufflen, len);
+ }
+
+ memcpy(buf, data, transfer_len);
+
+ if (cmd->use_sg) {
+ struct scatterlist *sg;
+
+ sg = (struct scatterlist *)cmd->request_buffer;
+ kunmap_atomic(buf - sg->offset, KM_IRQ0);
+ local_irq_restore(flags);
+ }
+}
+
/* This function is called by the isr to complete an inquiry command */
static int tw_scsiop_inquiry_complete(TW_Device_Extension *tw_dev, int request_id)
{
unsigned char *is_unit_present;
- unsigned char *request_buffer;
+ unsigned char request_buffer[36];
TW_Param *param;
dprintk(KERN_NOTICE "3w-xxxx: tw_scsiop_inquiry_complete()\n");
- /* Fill request buffer */
- if (tw_dev->srb[request_id]->request_buffer == NULL) {
- printk(KERN_WARNING "3w-xxxx: tw_scsiop_inquiry_complete(): Request buffer NULL.\n");
- return 1;
- }
- request_buffer = tw_dev->srb[request_id]->request_buffer;
- memset(request_buffer, 0, tw_dev->srb[request_id]->request_bufflen);
+ memset(request_buffer, 0, sizeof(request_buffer));
request_buffer[0] = TYPE_DISK; /* Peripheral device type */
request_buffer[1] = 0; /* Device type modifier */
request_buffer[2] = 0; /* No ansi/iso compliance */
memcpy(&request_buffer[8], "3ware ", 8); /* Vendor ID */
sprintf(&request_buffer[16], "Logical Disk %-2d ", tw_dev->srb[request_id]->device->id);
memcpy(&request_buffer[32], TW_DRIVER_VERSION, 3);
+ tw_transfer_internal(tw_dev, request_id, request_buffer,
+ sizeof(request_buffer));
param = (TW_Param *)tw_dev->alignment_virtual_address[request_id];
if (param == NULL) {
{
TW_Param *param;
unsigned char *flags;
- unsigned char *request_buffer;
+ unsigned char request_buffer[8];
dprintk(KERN_NOTICE "3w-xxxx: tw_scsiop_mode_sense_complete()\n");
return 1;
}
flags = (char *)&(param->data[0]);
- request_buffer = tw_dev->srb[request_id]->buffer;
- memset(request_buffer, 0, tw_dev->srb[request_id]->request_bufflen);
+ memset(request_buffer, 0, sizeof(request_buffer));
request_buffer[0] = 0xf; /* mode data length */
request_buffer[1] = 0; /* default medium type */
request_buffer[6] = 0x4; /* WCE on */
else
request_buffer[6] = 0x0; /* WCE off */
+ tw_transfer_internal(tw_dev, request_id, request_buffer,
+ sizeof(request_buffer));
return 0;
} /* End tw_scsiop_mode_sense_complete() */
{
unsigned char *param_data;
u32 capacity;
- char *buff;
+ char buff[8];
TW_Param *param;
dprintk(KERN_NOTICE "3w-xxxx: tw_scsiop_read_capacity_complete()\n");
- buff = tw_dev->srb[request_id]->request_buffer;
- if (buff == NULL) {
- printk(KERN_WARNING "3w-xxxx: tw_scsiop_read_capacity_complete(): Request buffer NULL.\n");
- return 1;
- }
- memset(buff, 0, tw_dev->srb[request_id]->request_bufflen);
+ memset(buff, 0, sizeof(buff));
param = (TW_Param *)tw_dev->alignment_virtual_address[request_id];
if (param == NULL) {
printk(KERN_WARNING "3w-xxxx: tw_scsiop_read_capacity_complete(): Bad alignment virtual address.\n");
buff[6] = (TW_BLOCK_SIZE >> 8) & 0xff;
buff[7] = TW_BLOCK_SIZE & 0xff;
+ tw_transfer_internal(tw_dev, request_id, buff, sizeof(buff));
+
return 0;
} /* End tw_scsiop_read_capacity_complete() */
} /* End __tw_shutdown() */
/* Wrapper for __tw_shutdown */
-static void tw_shutdown(struct device *dev)
+static void tw_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;
__tw_shutdown(tw_dev);
.id_table = tw_pci_tbl,
.probe = tw_probe,
.remove = tw_remove,
- .driver = {
- .shutdown = tw_shutdown
- }
+ .shutdown = tw_shutdown,
};
/* This function is called on driver initialization */
git://git.onelab.eu / linux-2.6.git / blobdiff