+/*
+ * No copyright is claimed. This code is in the public domain; do with
+ * it what you wish.
+ *
+ * Written by Karel Zak <kzak@redhat.com>
+ */
#ifndef BLKDEV_H
#define BLKDEV_H
#define DEFAULT_SECTOR_SIZE 512
#ifdef __linux__
-/* very basic ioclts, should be available everywhere */
+/* very basic ioctls, should be available everywhere */
# ifndef BLKROSET
# define BLKROSET _IO(0x12,93) /* set device read-only (0 = read-write) */
# define BLKROGET _IO(0x12,94) /* get read-only status (0 = read_write) */
# define FITHAW _IOWR('X', 120, int) /* Thaw */
# endif
+/* uniform CD-ROM information */
+# ifndef CDROM_GET_CAPABILITY
+# define CDROM_GET_CAPABILITY 0x5331
+# endif
+
#endif /* __linux */
+
#ifdef APPLE_DARWIN
# define BLKGETSIZE DKIOCGETBLOCKCOUNT32
#endif
# define HDIO_GETGEO 0x0301
# endif
-/* uniform CD-ROM information */
-#ifndef CDROM_GET_CAPABILITY
-# define CDROM_GET_CAPABILITY 0x5331
-#endif
-
struct hd_geometry {
unsigned char heads;
unsigned char sectors;
unsigned short cylinders; /* truncated */
unsigned long start;
};
-#endif
+#endif /* HDIO_GETGEO */
+
/* are we working with block device? */
int is_blkdev(int fd);
/* is the device cdrom capable? */
int blkdev_is_cdrom(int fd);
+/* get device's geometry - legacy */
+int blkdev_get_geometry(int fd, unsigned int *h, unsigned int *s);
+
+/* SCSI device types. Copied almost as-is from kernel header.
+ * http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/include/scsi/scsi.h */
+#define SCSI_TYPE_DISK 0x00
+#define SCSI_TYPE_TAPE 0x01
+#define SCSI_TYPE_PRINTER 0x02
+#define SCSI_TYPE_PROCESSOR 0x03 /* HP scanners use this */
+#define SCSI_TYPE_WORM 0x04 /* Treated as ROM by our system */
+#define SCSI_TYPE_ROM 0x05
+#define SCSI_TYPE_SCANNER 0x06
+#define SCSI_TYPE_MOD 0x07 /* Magneto-optical disk - treated as SCSI_TYPE_DISK */
+#define SCSI_TYPE_MEDIUM_CHANGER 0x08
+#define SCSI_TYPE_COMM 0x09 /* Communications device */
+#define SCSI_TYPE_RAID 0x0c
+#define SCSI_TYPE_ENCLOSURE 0x0d /* Enclosure Services Device */
+#define SCSI_TYPE_RBC 0x0e
+#define SCSI_TYPE_OSD 0x11
+#define SCSI_TYPE_NO_LUN 0x7f
+
+/* convert scsi type code to name */
+const char *blkdev_scsi_type_to_name(int type);
+
+
#endif /* BLKDEV_H */