#include <linux/spinlock.h>
#include <linux/workqueue.h>
#include <linux/blkdev.h>
+#include <scsi/scsi.h>
#include <asm/atomic.h>
struct request_queue;
unsigned fix_capacity:1; /* READ_CAPACITY is too high by 1 */
unsigned guess_capacity:1; /* READ_CAPACITY might be too high by 1 */
unsigned retry_hwerror:1; /* Retry HARDWARE_ERROR */
- unsigned last_sector_bug:1; /* Always read last sector in a 1 sector read */
+ unsigned last_sector_bug:1; /* do not use multisector accesses on
+ SD_LAST_BUGGY_SECTORS */
DECLARE_BITMAP(supported_events, SDEV_EVT_MAXBITS); /* supported events */
struct list_head event_list; /* asserted events */
#define scmd_id(scmd) sdev_id((scmd)->device)
#define scmd_channel(scmd) sdev_channel((scmd)->device)
+/*
+ * checks for positions of the SCSI state machine
+ */
static inline int scsi_device_online(struct scsi_device *sdev)
{
return sdev->sdev_state != SDEV_OFFLINE;
}
+static inline int scsi_device_blocked(struct scsi_device *sdev)
+{
+ return sdev->sdev_state == SDEV_BLOCK;
+}
+static inline int scsi_device_created(struct scsi_device *sdev)
+{
+ return sdev->sdev_state == SDEV_CREATED;
+}
/* accessor functions for the SCSI parameters */
static inline int scsi_device_sync(struct scsi_device *sdev)
static inline int scsi_device_protection(struct scsi_device *sdev)
{
- return sdev->inquiry[5] & (1<<0);
+ return sdev->scsi_level > SCSI_2 && sdev->inquiry[5] & (1<<0);
}
#define MODULE_ALIAS_SCSI_DEVICE(type) \