1 files changed, 26 insertions, 0 deletions
diff --git a/src/devices/disk.h b/src/devices/disk.h
new file mode 100644
index 0000000..3bcbb9a
--- /dev/null
+++ b/src/devices/disk.h
@@ -0,0 +1,26 @@
+#ifndef DEVICES_DISK_H
+#define DEVICES_DISK_H
+
+#include <inttypes.h>
+#include <stdint.h>
+
+/* Size of a disk sector in bytes. */
+#define DISK_SECTOR_SIZE 512
+
+/* Index of a disk sector within a disk.
+   Good enough for disks up to 2 TB. */
+typedef uint32_t disk_sector_t;
+
+/* Format specifier for printf(), e.g.:
+   printf ("sector=%"PRDSNu"\n", sector); */
+#define PRDSNu PRIu32
+
+void disk_init (void);
+void disk_print_stats (void);
+
+struct disk *disk_get (int chan_no, int dev_no);
+disk_sector_t disk_size (struct disk *);
+void disk_read (struct disk *, disk_sector_t, void *);
+void disk_write (struct disk *, disk_sector_t, const void *);
+
+#endif /* devices/disk.h */