/* 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,
};
error = 0;
/* 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 */
/* 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;
}
/* 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");
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(sg), 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(sg), 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);
}
}
}
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;