/* * sd.h Copyright (C) 1992 Drew Eckhardt * SCSI disk driver header file by * Drew Eckhardt * * * * Modified by Eric Youngdale eric@andante.org to * add scatter-gather, multiple outstanding request, and other * enhancements. */ #ifndef _SD_H #define _SD_H /* $Header: /usr/src/linux/kernel/blk_drv/scsi/RCS/sd.h,v 1.1 1992/07/24 06:27:38 root Exp root $ */ #ifndef _SCSI_H #include "scsi.h" #endif #ifndef _GENDISK_H #include #endif typedef struct scsi_disk { unsigned capacity; /* size in blocks */ Scsi_Device *device; unsigned char ready; /* flag ready for FLOPTICAL */ unsigned char write_prot; /* flag write_protect for rmvable dev */ unsigned char sector_bit_size; /* sector_size = 2 to the bit size power */ unsigned char sector_bit_shift; /* power of 2 sectors per FS block */ unsigned has_part_table:1; /* has partition table */ } Scsi_Disk; extern int revalidate_scsidisk(kdev_t dev, int maxusage); /* * Used by pmac to find the device associated with a target. */ extern kdev_t sd_find_target(void *host, int tgt); #define N_SD_MAJORS 8 #define SD_MAJOR_MASK (N_SD_MAJORS - 1) #endif /* * Overrides for Emacs so that we follow Linus's tabbing style. * Emacs will notice this stuff at the end of the file and automatically * adjust the settings for this buffer only. This must remain at the end * of the file. * --------------------------------------------------------------------------- * Local variables: * c-indent-level: 4 * c-brace-imaginary-offset: 0 * c-brace-offset: -4 * c-argdecl-indent: 4 * c-label-offset: -4 * c-continued-statement-offset: 4 * c-continued-brace-offset: 0 * indent-tabs-mode: nil * tab-width: 8 * End: */