drivers/scsi/st.h

96 struct scsi_tape {  struct
97 	struct scsi_driver *driver;
98 	struct scsi_device *device;
99 	struct mutex lock;	/* For serialization */
100 	struct completion wait;	/* For SCSI commands */
101 	struct st_buffer *buffer;
104 	unsigned char omit_blklims;
105 	unsigned char do_auto_lock;
106 	unsigned char can_bsr;
107 	unsigned char can_partitions;
108 	unsigned char two_fm;
109 	unsigned char fast_mteom;
110 	unsigned char immediate;
111 	unsigned char restr_dma;
112 	unsigned char scsi2_logical;
113 	unsigned char default_drvbuffer;	/* 0xff = don't touch, value 3 bits */
114 	unsigned char cln_mode;			/* 0 = none, otherwise sense byte nbr */
115 	unsigned char cln_sense_value;
116 	unsigned char cln_sense_mask;
117 	unsigned char use_pf;			/* Set Page Format bit in all mode selects? */
118 	unsigned char try_dio;			/* try direct i/o in general? */
119 	unsigned char try_dio_now;		/* try direct i/o before next close? */
120 	unsigned char c_algo;			/* compression algorithm */
121 	unsigned char pos_unknown;			/* after reset position unknown */
122 	unsigned char sili;			/* use SILI when reading in variable b mode */
123 	int tape_type;
124 	int long_timeout;	/* timeout for commands known to take long time */
126 	unsigned long max_pfn;	/* the maximum page number reachable by the HBA */
129 	struct st_modedef modes[ST_NBR_MODES];
130 	int current_mode;
133 	int partition;
134 	int new_partition;
135 	int nbr_partitions;	/* zero until partition support enabled */
136 	struct st_partstat ps[ST_NBR_PARTITIONS];
137 	unsigned char dirty;
138 	unsigned char ready;
139 	unsigned char write_prot;
140 	unsigned char drv_write_prot;
141 	unsigned char in_use;
142 	unsigned char blksize_changed;
143 	unsigned char density_changed;
144 	unsigned char compression_changed;
145 	unsigned char drv_buffer;
146 	unsigned char density;
147 	unsigned char door_locked;
148 	unsigned char autorew_dev;   /* auto-rewind device */
149 	unsigned char rew_at_close;  /* rewind necessary at close */
150 	unsigned char inited;
151 	unsigned char cleaning_req;  /* cleaning requested? */
152 	int block_size;
153 	int min_block;
154 	int max_block;
155 	int recover_count;     /* From tape opening */
156 	int recover_reg;       /* From last status call */
159 	unsigned char write_pending;
160 	int nbr_finished;
161 	int nbr_waits;
162 	int nbr_requests;
163 	int nbr_dio;
164 	int nbr_pages;
165 	unsigned char last_cmnd[6];
166 	unsigned char last_sense[16];
168 	struct gendisk *disk;
169 	struct kref     kref;