summaryrefslogtreecommitdiff
path: root/drivers/scsi/st.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi/st.h')
-rw-r--r--drivers/scsi/st.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/scsi/st.h b/drivers/scsi/st.h
index b548923785ed..f3eee0f9f40c 100644
--- a/drivers/scsi/st.h
+++ b/drivers/scsi/st.h
@@ -66,6 +66,8 @@ struct st_modedef {
unsigned char default_compression; /* 0 = don't touch, etc */
short default_density; /* Forced density, -1 = no value */
int default_blksize; /* Forced blocksize, -1 = no value */
+ struct scsi_tape *tape;
+ struct device *devs[2]; /* Auto-rewind and non-rewind devices */
struct cdev *cdevs[2]; /* Auto-rewind and non-rewind devices */
};
@@ -76,7 +78,7 @@ struct st_modedef {
#define ST_MODE_SHIFT (7 - ST_NBR_MODE_BITS)
#define ST_MODE_MASK ((ST_NBR_MODES - 1) << ST_MODE_SHIFT)
-#define ST_MAX_TAPES 128
+#define ST_MAX_TAPES (1 << (20 - (ST_NBR_MODE_BITS + 1)))
#define ST_MAX_TAPE_ENTRIES (ST_MAX_TAPES << (ST_NBR_MODE_BITS + 1))
/* The status related to each partition */
@@ -99,6 +101,7 @@ struct scsi_tape {
struct mutex lock; /* For serialization */
struct completion wait; /* For SCSI commands */
struct st_buffer *buffer;
+ int index;
/* Drive characteristics */
unsigned char omit_blklims;