diff options
Diffstat (limited to 'include/linux/ide.h')
| -rw-r--r-- | include/linux/ide.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/ide.h b/include/linux/ide.h index bba2f73b99a0..1bd49784e4da 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -1121,6 +1121,22 @@ int ide_check_atapi_device(ide_drive_t *, const char *); void ide_init_pc(struct ide_atapi_pc *); +/* + * Special requests for ide-tape block device strategy routine. + * + * In order to service a character device command, we add special requests to + * the tail of our block device request queue and wait for their completion. + */ +enum { + REQ_IDETAPE_PC1 = (1 << 0), /* packet command (first stage) */ + REQ_IDETAPE_PC2 = (1 << 1), /* packet command (second stage) */ + REQ_IDETAPE_READ = (1 << 2), + REQ_IDETAPE_WRITE = (1 << 3), +}; + +void ide_queue_pc_head(ide_drive_t *, struct gendisk *, struct ide_atapi_pc *, + struct request *); + ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc, ide_handler_t *handler, unsigned int timeout, ide_expiry_t *expiry, void (*update_buffers)(ide_drive_t *, struct ide_atapi_pc *), |