Lines Matching defs:head
635 u32 cyl, head, sect;
638 head = tf->device & 0xf;
647 block = (cyl * dev->heads + head) * dev->sectors + sect - 1;
748 u32 sect, head, cyl, track;
760 head = track % dev->heads;
763 DPRINTK("block %u track %u cyl %u head %u sect %u\n",
764 (u32)block, track, cyl, head, sect);
770 if ((cyl >> 16) || (head >> 4) || (sect >> 8) || (!sect))
777 tf->device |= head;
4343 tf.device |= (heads - 1) & 0x0f; /* max head = num. of heads - 1 */