-ulong sata_read(int dev, ulong blknr, ulong blkcnt, void *buffer);
-ulong sata_write(int dev, ulong blknr, ulong blkcnt, const void *buffer);
+ulong sata_read(int dev, ulong blknr, lbaint_t blkcnt, void *buffer);
+ulong sata_write(int dev, ulong blknr, lbaint_t blkcnt, const void *buffer);