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path: root/drivers/scsi/ibmvscsi/ibmvscsi.c
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Diffstat (limited to 'drivers/scsi/ibmvscsi/ibmvscsi.c')
-rw-r--r--drivers/scsi/ibmvscsi/ibmvscsi.c39
1 files changed, 11 insertions, 28 deletions
diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c
index 5870866abc9..5ecc63d1b43 100644
--- a/drivers/scsi/ibmvscsi/ibmvscsi.c
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.c
@@ -393,12 +393,6 @@ static int map_sg_data(struct scsi_cmnd *cmd,
return 1;
else if (sg_mapped < 0)
return 0;
- else if (sg_mapped > SG_ALL) {
- printk(KERN_ERR
- "ibmvscsi: More than %d mapped sg entries, got %d\n",
- SG_ALL, sg_mapped);
- return 0;
- }
set_srp_direction(cmd, srp_cmd, sg_mapped);
@@ -708,8 +702,7 @@ static int ibmvscsi_queuecommand(struct scsi_cmnd *cmnd,
struct srp_cmd *srp_cmd;
struct srp_event_struct *evt_struct;
struct srp_indirect_buf *indirect;
- struct ibmvscsi_host_data *hostdata =
- (struct ibmvscsi_host_data *)&cmnd->device->host->hostdata;
+ struct ibmvscsi_host_data *hostdata = shost_priv(cmnd->device->host);
u16 lun = lun_from_dev(cmnd->device);
u8 out_fmt, in_fmt;
@@ -960,8 +953,7 @@ static void sync_completion(struct srp_event_struct *evt_struct)
*/
static int ibmvscsi_eh_abort_handler(struct scsi_cmnd *cmd)
{
- struct ibmvscsi_host_data *hostdata =
- (struct ibmvscsi_host_data *)cmd->device->host->hostdata;
+ struct ibmvscsi_host_data *hostdata = shost_priv(cmd->device->host);
struct srp_tsk_mgmt *tsk_mgmt;
struct srp_event_struct *evt;
struct srp_event_struct *tmp_evt, *found_evt;
@@ -1084,9 +1076,7 @@ static int ibmvscsi_eh_abort_handler(struct scsi_cmnd *cmd)
*/
static int ibmvscsi_eh_device_reset_handler(struct scsi_cmnd *cmd)
{
- struct ibmvscsi_host_data *hostdata =
- (struct ibmvscsi_host_data *)cmd->device->host->hostdata;
-
+ struct ibmvscsi_host_data *hostdata = shost_priv(cmd->device->host);
struct srp_tsk_mgmt *tsk_mgmt;
struct srp_event_struct *evt;
struct srp_event_struct *tmp_evt, *pos;
@@ -1183,8 +1173,7 @@ static int ibmvscsi_eh_device_reset_handler(struct scsi_cmnd *cmd)
static int ibmvscsi_eh_host_reset_handler(struct scsi_cmnd *cmd)
{
unsigned long wait_switch = 0;
- struct ibmvscsi_host_data *hostdata =
- (struct ibmvscsi_host_data *)cmd->device->host->hostdata;
+ struct ibmvscsi_host_data *hostdata = shost_priv(cmd->device->host);
dev_err(hostdata->dev, "Resetting connection due to error recovery\n");
@@ -1412,8 +1401,7 @@ static int ibmvscsi_change_queue_depth(struct scsi_device *sdev, int qdepth)
static ssize_t show_host_srp_version(struct class_device *class_dev, char *buf)
{
struct Scsi_Host *shost = class_to_shost(class_dev);
- struct ibmvscsi_host_data *hostdata =
- (struct ibmvscsi_host_data *)shost->hostdata;
+ struct ibmvscsi_host_data *hostdata = shost_priv(shost);
int len;
len = snprintf(buf, PAGE_SIZE, "%s\n",
@@ -1433,8 +1421,7 @@ static ssize_t show_host_partition_name(struct class_device *class_dev,
char *buf)
{
struct Scsi_Host *shost = class_to_shost(class_dev);
- struct ibmvscsi_host_data *hostdata =
- (struct ibmvscsi_host_data *)shost->hostdata;
+ struct ibmvscsi_host_data *hostdata = shost_priv(shost);
int len;
len = snprintf(buf, PAGE_SIZE, "%s\n",
@@ -1454,8 +1441,7 @@ static ssize_t show_host_partition_number(struct class_device *class_dev,
char *buf)
{
struct Scsi_Host *shost = class_to_shost(class_dev);
- struct ibmvscsi_host_data *hostdata =
- (struct ibmvscsi_host_data *)shost->hostdata;
+ struct ibmvscsi_host_data *hostdata = shost_priv(shost);
int len;
len = snprintf(buf, PAGE_SIZE, "%d\n",
@@ -1474,8 +1460,7 @@ static struct class_device_attribute ibmvscsi_host_partition_number = {
static ssize_t show_host_mad_version(struct class_device *class_dev, char *buf)
{
struct Scsi_Host *shost = class_to_shost(class_dev);
- struct ibmvscsi_host_data *hostdata =
- (struct ibmvscsi_host_data *)shost->hostdata;
+ struct ibmvscsi_host_data *hostdata = shost_priv(shost);
int len;
len = snprintf(buf, PAGE_SIZE, "%d\n",
@@ -1494,8 +1479,7 @@ static struct class_device_attribute ibmvscsi_host_mad_version = {
static ssize_t show_host_os_type(struct class_device *class_dev, char *buf)
{
struct Scsi_Host *shost = class_to_shost(class_dev);
- struct ibmvscsi_host_data *hostdata =
- (struct ibmvscsi_host_data *)shost->hostdata;
+ struct ibmvscsi_host_data *hostdata = shost_priv(shost);
int len;
len = snprintf(buf, PAGE_SIZE, "%d\n", hostdata->madapter_info.os_type);
@@ -1513,8 +1497,7 @@ static struct class_device_attribute ibmvscsi_host_os_type = {
static ssize_t show_host_config(struct class_device *class_dev, char *buf)
{
struct Scsi_Host *shost = class_to_shost(class_dev);
- struct ibmvscsi_host_data *hostdata =
- (struct ibmvscsi_host_data *)shost->hostdata;
+ struct ibmvscsi_host_data *hostdata = shost_priv(shost);
/* returns null-terminated host config data */
if (ibmvscsi_do_host_config(hostdata, buf, PAGE_SIZE) == 0)
@@ -1582,7 +1565,7 @@ static int ibmvscsi_probe(struct vio_dev *vdev, const struct vio_device_id *id)
goto scsi_host_alloc_failed;
}
- hostdata = (struct ibmvscsi_host_data *)host->hostdata;
+ hostdata = shost_priv(host);
memset(hostdata, 0x00, sizeof(*hostdata));
INIT_LIST_HEAD(&hostdata->sent);
hostdata->host = host;