/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ST_H #define _ST_H #include <linux/completion.h> #include <linux/mutex.h> #include <linux/kref.h> #include <scsi/scsi_cmnd.h> /* Descriptor for analyzed sense data */ struct st_cmdstatus { … }; struct scsi_tape; /* scsi tape command */ struct st_request { … }; /* The tape buffer descriptor. */ struct st_buffer { … }; /* The tape mode definition */ struct st_modedef { … }; /* Number of modes can be changed by changing ST_NBR_MODE_BITS. The maximum number of modes is 16 (ST_NBR_MODE_BITS 4) */ #define ST_NBR_MODE_BITS … #define ST_NBR_MODES … #define ST_MODE_SHIFT … #define ST_MODE_MASK … #define ST_MAX_TAPES … #define ST_MAX_TAPE_ENTRIES … /* The status related to each partition */ struct st_partstat { … }; /* Tape statistics */ struct scsi_tape_stats { … }; #define ST_NBR_PARTITIONS … /* The tape drive descriptor */ struct scsi_tape { … }; /* Bit masks for use_pf */ #define USE_PF … #define PF_TESTED … /* Values of eof */ #define ST_NOEOF … #define ST_FM_HIT … #define ST_FM … #define ST_EOM_OK … #define ST_EOM_ERROR … #define ST_EOD_1 … #define ST_EOD_2 … #define ST_EOD … /* EOD hit while reading => ST_EOD_1 => return zero => ST_EOD_2 => return zero => ST_EOD, return ENOSPC */ /* When writing: ST_EOM_OK == early warning found, write OK ST_EOD_1 == allow trying new write after early warning ST_EOM_ERROR == early warning found, not able to write all */ /* Values of rw */ #define ST_IDLE … #define ST_READING … #define ST_WRITING … /* Values of ready state */ #define ST_READY … #define ST_NOT_READY … #define ST_NO_TAPE … /* Values for door lock state */ #define ST_UNLOCKED … #define ST_LOCKED_EXPLICIT … #define ST_LOCKED_AUTO … #define ST_LOCK_FAILS … /* Positioning SCSI-commands for Tandberg, etc. drives */ #define QFA_REQUEST_BLOCK … #define QFA_SEEK_BLOCK … /* Setting the binary options */ #define ST_DONT_TOUCH … #define ST_NO … #define ST_YES … #define EXTENDED_SENSE_START … /* Masks for some conditions in the sense data */ #define SENSE_FMK … #define SENSE_EOM … #define SENSE_ILI … #endif
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