C++ (Cpp) iop_complete_message Examples

Example #1

File: adb-iop.c Project: Antonio-Zhou/Linux-2.6.11

static void adb_iop_listen(struct iop_msg *msg, struct pt_regs *regs)
{
	struct adb_iopmsg *amsg = (struct adb_iopmsg *) msg->message;
	struct adb_request *req;
	uint flags;
#ifdef DEBUG_ADB_IOP
	int i;
#endif

	local_irq_save(flags);

	req = current_req;

#ifdef DEBUG_ADB_IOP
	printk("adb_iop_listen %p: rcvd packet, %d bytes: %02X %02X", req,
		(uint) amsg->count + 2, (uint) amsg->flags, (uint) amsg->cmd);
	for (i = 0; i < amsg->count; i++)
		printk(" %02X", (uint) amsg->data[i]);
	printk("\n");
#endif

	/* Handle a timeout. Timeout packets seem to occur even after */
	/* we've gotten a valid reply to a TALK, so I'm assuming that */
	/* a "timeout" is actually more like an "end-of-data" signal. */
	/* We need to send back a timeout packet to the IOP to shut   */
	/* it up, plus complete the current request, if any.          */

	if (amsg->flags & ADB_IOP_TIMEOUT) {
		msg->reply[0] = ADB_IOP_TIMEOUT | ADB_IOP_AUTOPOLL;
		msg->reply[1] = 0;
		msg->reply[2] = 0;
		if (req && (adb_iop_state != idle)) {
			adb_iop_end_req(req, idle);
		}
	} else {
		/* TODO: is it possible for more than one chunk of data  */
		/*       to arrive before the timeout? If so we need to */
		/*       use reply_ptr here like the other drivers do.  */
		if ((adb_iop_state == awaiting_reply) &&
		    (amsg->flags & ADB_IOP_EXPLICIT)) {
			req->reply_len = amsg->count + 1;
			memcpy(req->reply, &amsg->cmd, req->reply_len);
		} else {
			adb_input(&amsg->cmd, amsg->count + 1, regs,
				  amsg->flags & ADB_IOP_AUTOPOLL);
		}
		memcpy(msg->reply, msg->message, IOP_MSG_LEN);
	}
	iop_complete_message(msg);
	local_irq_restore(flags);
}

Example #2

File: adb-iop.c Project: DirtyDroidX/android_kernel_htc_m8ul

static void adb_iop_listen(struct iop_msg *msg)
{
	struct adb_iopmsg *amsg = (struct adb_iopmsg *) msg->message;
	struct adb_request *req;
	unsigned long flags;
#ifdef DEBUG_ADB_IOP
	int i;
#endif

	local_irq_save(flags);

	req = current_req;

#ifdef DEBUG_ADB_IOP
	printk("adb_iop_listen %p: rcvd packet, %d bytes: %02X %02X", req,
		(uint) amsg->count + 2, (uint) amsg->flags, (uint) amsg->cmd);
	for (i = 0; i < amsg->count; i++)
		printk(" %02X", (uint) amsg->data[i]);
	printk("\n");
#endif

	
	
	
	
	

	if (amsg->flags & ADB_IOP_TIMEOUT) {
		msg->reply[0] = ADB_IOP_TIMEOUT | ADB_IOP_AUTOPOLL;
		msg->reply[1] = 0;
		msg->reply[2] = 0;
		if (req && (adb_iop_state != idle)) {
			adb_iop_end_req(req, idle);
		}
	} else {
		
		
		
		if ((adb_iop_state == awaiting_reply) &&
		    (amsg->flags & ADB_IOP_EXPLICIT)) {
			req->reply_len = amsg->count + 1;
			memcpy(req->reply, &amsg->cmd, req->reply_len);
		} else {
			adb_input(&amsg->cmd, amsg->count + 1,
				  amsg->flags & ADB_IOP_AUTOPOLL);
		}
		memcpy(msg->reply, msg->message, IOP_MSG_LEN);
	}
	iop_complete_message(msg);
	local_irq_restore(flags);
}

Example #3

File: iop.c Project: 5victor/linux

static void iop_handle_recv(uint iop_num, uint chan)
{
	volatile struct mac_iop *iop = iop_base[iop_num];
	int i,offset;
	struct iop_msg *msg;

#ifdef DEBUG_IOP
	printk("iop_handle_recv: iop %d channel %d\n", iop_num, chan);
#endif

	msg = iop_alloc_msg();
	msg->iop_num = iop_num;
	msg->channel = chan;
	msg->status = IOP_MSGSTATUS_UNSOL;
	msg->handler = iop_listeners[iop_num][chan].handler;

	offset = IOP_ADDR_RECV_MSG + (chan * IOP_MSG_LEN);

	for (i = 0 ; i < IOP_MSG_LEN ; i++, offset++) {
		msg->message[i] = iop_readb(iop, offset);
	}

	iop_writeb(iop, IOP_ADDR_RECV_STATE + chan, IOP_MSG_RCVD);

	/* If there is a listener, call it now. Otherwise complete */
	/* the message ourselves to avoid possible stalls.         */

	if (msg->handler) {
		(*msg->handler)(msg);
	} else {
#ifdef DEBUG_IOP
		printk("iop_handle_recv: unclaimed message on iop %d channel %d\n", iop_num, chan);
		printk("iop_handle_recv:");
		for (i = 0 ; i < IOP_MSG_LEN ; i++) {
			printk(" %02X", (uint) msg->message[i]);
		}
		printk("\n");
#endif
		iop_complete_message(msg);
	}
}