int taskfile_lib_get_identify (ide_drive_t *drive, u8 *buf)
{
	ide_task_t args;

	memset(&args, 0, sizeof(ide_task_t));
	args.tf.nsect = 0x01;
	if (drive->media == ide_disk)
		args.tf.command = ATA_CMD_ID_ATA;
	else
		args.tf.command = ATA_CMD_ID_ATAPI;
	args.tf_flags	= IDE_TFLAG_TF | IDE_TFLAG_DEVICE;
	args.data_phase	= TASKFILE_IN;
	return ide_raw_taskfile(drive, &args, buf, 1);
}
예제 #2
0
int taskfile_lib_get_identify(ide_drive_t *drive, u8 *buf)
{
	struct ide_cmd cmd;

	memset(&cmd, 0, sizeof(cmd));
	cmd.tf.nsect = 0x01;
	if (drive->media == ide_disk)
		cmd.tf.command = ATA_CMD_ID_ATA;
	else
		cmd.tf.command = ATA_CMD_ID_ATAPI;
	cmd.valid.out.tf = IDE_VALID_OUT_TF | IDE_VALID_DEVICE;
	cmd.valid.in.tf  = IDE_VALID_IN_TF  | IDE_VALID_DEVICE;
	cmd.protocol = ATA_PROT_PIO;

	return ide_raw_taskfile(drive, &cmd, buf, 1);
}
예제 #3
0
static int get_smart_data(ide_drive_t *drive, u8 *buf, u8 sub_cmd)
{
	struct ide_cmd cmd;
	struct ide_taskfile *tf = &cmd.tf;

	memset(&cmd, 0, sizeof(cmd));
	tf->feature = sub_cmd;
	tf->nsect   = 0x01;
	tf->lbam    = ATA_SMART_LBAM_PASS;
	tf->lbah    = ATA_SMART_LBAH_PASS;
	tf->command = ATA_CMD_SMART;
	cmd.valid.out.tf = IDE_VALID_OUT_TF | IDE_VALID_DEVICE;
	cmd.valid.in.tf  = IDE_VALID_IN_TF  | IDE_VALID_DEVICE;
	cmd.protocol = ATA_PROT_PIO;

	return ide_raw_taskfile(drive, &cmd, buf, 1);
}
int ide_taskfile_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg)
{
	ide_task_request_t	*req_task;
	ide_task_t		args;
	u8 *outbuf		= NULL;
	u8 *inbuf		= NULL;
	u8 *data_buf		= NULL;
	int err			= 0;
	int tasksize		= sizeof(struct ide_task_request_s);
	unsigned int taskin	= 0;
	unsigned int taskout	= 0;
	u16 nsect		= 0;
	char __user *buf = (char __user *)arg;

//	printk("IDE Taskfile ...\n");

	req_task = kzalloc(tasksize, GFP_KERNEL);
	if (req_task == NULL) return -ENOMEM;
	if (copy_from_user(req_task, buf, tasksize)) {
		kfree(req_task);
		return -EFAULT;
	}

	taskout = req_task->out_size;
	taskin  = req_task->in_size;
	
	if (taskin > 65536 || taskout > 65536) {
		err = -EINVAL;
		goto abort;
	}

	if (taskout) {
		int outtotal = tasksize;
		outbuf = kzalloc(taskout, GFP_KERNEL);
		if (outbuf == NULL) {
			err = -ENOMEM;
			goto abort;
		}
		if (copy_from_user(outbuf, buf + outtotal, taskout)) {
			err = -EFAULT;
			goto abort;
		}
	}

	if (taskin) {
		int intotal = tasksize + taskout;
		inbuf = kzalloc(taskin, GFP_KERNEL);
		if (inbuf == NULL) {
			err = -ENOMEM;
			goto abort;
		}
		if (copy_from_user(inbuf, buf + intotal, taskin)) {
			err = -EFAULT;
			goto abort;
		}
	}

	memset(&args, 0, sizeof(ide_task_t));

	memcpy(&args.tf_array[0], req_task->hob_ports, HDIO_DRIVE_HOB_HDR_SIZE - 2);
	memcpy(&args.tf_array[6], req_task->io_ports, HDIO_DRIVE_TASK_HDR_SIZE);

	args.data_phase = req_task->data_phase;

	args.tf_flags = IDE_TFLAG_IO_16BIT | IDE_TFLAG_DEVICE |
			IDE_TFLAG_IN_TF;
	if (drive->dev_flags & IDE_DFLAG_LBA48)
		args.tf_flags |= (IDE_TFLAG_LBA48 | IDE_TFLAG_IN_HOB);

	if (req_task->out_flags.all) {
		args.tf_flags |= IDE_TFLAG_FLAGGED;

		if (req_task->out_flags.b.data)
			args.tf_flags |= IDE_TFLAG_OUT_DATA;

		if (req_task->out_flags.b.nsector_hob)
			args.tf_flags |= IDE_TFLAG_OUT_HOB_NSECT;
		if (req_task->out_flags.b.sector_hob)
			args.tf_flags |= IDE_TFLAG_OUT_HOB_LBAL;
		if (req_task->out_flags.b.lcyl_hob)
			args.tf_flags |= IDE_TFLAG_OUT_HOB_LBAM;
		if (req_task->out_flags.b.hcyl_hob)
			args.tf_flags |= IDE_TFLAG_OUT_HOB_LBAH;

		if (req_task->out_flags.b.error_feature)
			args.tf_flags |= IDE_TFLAG_OUT_FEATURE;
		if (req_task->out_flags.b.nsector)
			args.tf_flags |= IDE_TFLAG_OUT_NSECT;
		if (req_task->out_flags.b.sector)
			args.tf_flags |= IDE_TFLAG_OUT_LBAL;
		if (req_task->out_flags.b.lcyl)
			args.tf_flags |= IDE_TFLAG_OUT_LBAM;
		if (req_task->out_flags.b.hcyl)
			args.tf_flags |= IDE_TFLAG_OUT_LBAH;
	} else {
		args.tf_flags |= IDE_TFLAG_OUT_TF;
		if (args.tf_flags & IDE_TFLAG_LBA48)
			args.tf_flags |= IDE_TFLAG_OUT_HOB;
	}

	if (req_task->in_flags.b.data)
		args.tf_flags |= IDE_TFLAG_IN_DATA;

	switch(req_task->data_phase) {
		case TASKFILE_MULTI_OUT:
			if (!drive->mult_count) {
				/* (hs): give up if multcount is not set */
				printk(KERN_ERR "%s: %s Multimode Write " \
					"multcount is not set\n",
					drive->name, __func__);
				err = -EPERM;
				goto abort;
			}
			/* fall through */
		case TASKFILE_OUT:
			/* fall through */
		case TASKFILE_OUT_DMAQ:
		case TASKFILE_OUT_DMA:
			nsect = taskout / SECTOR_SIZE;
			data_buf = outbuf;
			break;
		case TASKFILE_MULTI_IN:
			if (!drive->mult_count) {
				/* (hs): give up if multcount is not set */
				printk(KERN_ERR "%s: %s Multimode Read failure " \
					"multcount is not set\n",
					drive->name, __func__);
				err = -EPERM;
				goto abort;
			}
			/* fall through */
		case TASKFILE_IN:
			/* fall through */
		case TASKFILE_IN_DMAQ:
		case TASKFILE_IN_DMA:
			nsect = taskin / SECTOR_SIZE;
			data_buf = inbuf;
			break;
		case TASKFILE_NO_DATA:
			break;
		default:
			err = -EFAULT;
			goto abort;
	}

	if (req_task->req_cmd == IDE_DRIVE_TASK_NO_DATA)
		nsect = 0;
	else if (!nsect) {
		nsect = (args.tf.hob_nsect << 8) | args.tf.nsect;

		if (!nsect) {
			printk(KERN_ERR "%s: in/out command without data\n",
					drive->name);
			err = -EFAULT;
			goto abort;
		}
	}

	if (req_task->req_cmd == IDE_DRIVE_TASK_RAW_WRITE)
		args.tf_flags |= IDE_TFLAG_WRITE;

	err = ide_raw_taskfile(drive, &args, data_buf, nsect);

	memcpy(req_task->hob_ports, &args.tf_array[0], HDIO_DRIVE_HOB_HDR_SIZE - 2);
	memcpy(req_task->io_ports, &args.tf_array[6], HDIO_DRIVE_TASK_HDR_SIZE);

	if ((args.tf_flags & IDE_TFLAG_FLAGGED_SET_IN_FLAGS) &&
	    req_task->in_flags.all == 0) {
		req_task->in_flags.all = IDE_TASKFILE_STD_IN_FLAGS;
		if (drive->dev_flags & IDE_DFLAG_LBA48)
			req_task->in_flags.all |= (IDE_HOB_STD_IN_FLAGS << 8);
	}

	if (copy_to_user(buf, req_task, tasksize)) {
		err = -EFAULT;
		goto abort;
	}
	if (taskout) {
		int outtotal = tasksize;
		if (copy_to_user(buf + outtotal, outbuf, taskout)) {
			err = -EFAULT;
			goto abort;
		}
	}
	if (taskin) {
		int intotal = tasksize + taskout;
		if (copy_to_user(buf + intotal, inbuf, taskin)) {
			err = -EFAULT;
			goto abort;
		}
	}
abort:
	kfree(req_task);
	kfree(outbuf);
	kfree(inbuf);

//	printk("IDE Taskfile ioctl ended. rc = %i\n", err);

	return err;
}
int ide_no_data_taskfile(ide_drive_t *drive, ide_task_t *task)
{
	task->data_phase = TASKFILE_NO_DATA;

	return ide_raw_taskfile(drive, task, NULL, 0);
}
예제 #6
0
int ide_cmd_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg)
{
	u8 *buf = NULL;
	int bufsize = 0, err = 0;
	u8 args[4], xfer_rate = 0;
	ide_task_t tfargs;
	struct ide_taskfile *tf = &tfargs.tf;
	struct hd_driveid *id = drive->id;

	if (NULL == (void *) arg) {
		struct request rq;

		ide_init_drive_cmd(&rq);
		rq.cmd_type = REQ_TYPE_ATA_TASKFILE;

		return ide_do_drive_cmd(drive, &rq, ide_wait);
	}

	if (copy_from_user(args, (void __user *)arg, 4))
		return -EFAULT;

	memset(&tfargs, 0, sizeof(ide_task_t));
	tf->feature = args[2];
	if (args[0] == WIN_SMART) {
		tf->nsect = args[3];
		tf->lbal  = args[1];
		tf->lbam  = 0x4f;
		tf->lbah  = 0xc2;
		tfargs.tf_flags = IDE_TFLAG_OUT_TF | IDE_TFLAG_IN_NSECT;
	} else {
		tf->nsect = args[1];
		tfargs.tf_flags = IDE_TFLAG_OUT_FEATURE |
				  IDE_TFLAG_OUT_NSECT | IDE_TFLAG_IN_NSECT;
	}
	tf->command = args[0];
	tfargs.data_phase = args[3] ? TASKFILE_IN : TASKFILE_NO_DATA;

	if (args[3]) {
		tfargs.tf_flags |= IDE_TFLAG_IO_16BIT;
		bufsize = SECTOR_WORDS * 4 * args[3];
		buf = kzalloc(bufsize, GFP_KERNEL);
		if (buf == NULL)
			return -ENOMEM;
	}

	if (tf->command == WIN_SETFEATURES &&
	    tf->feature == SETFEATURES_XFER &&
	    tf->nsect >= XFER_SW_DMA_0 &&
	    (id->dma_ultra || id->dma_mword || id->dma_1word)) {
		xfer_rate = args[1];
		if (tf->nsect > XFER_UDMA_2 && !eighty_ninty_three(drive)) {
			printk(KERN_WARNING "%s: UDMA speeds >UDMA33 cannot "
					    "be set\n", drive->name);
			goto abort;
		}
	}

	err = ide_raw_taskfile(drive, &tfargs, buf, args[3]);

	args[0] = tf->status;
	args[1] = tf->error;
	args[2] = tf->nsect;

	if (!err && xfer_rate) {
		/* active-retuning-calls future */
		ide_set_xfer_rate(drive, xfer_rate);
		ide_driveid_update(drive);
	}
abort:
	if (copy_to_user((void __user *)arg, &args, 4))
		err = -EFAULT;
	if (buf) {
		if (copy_to_user((void __user *)(arg + 4), buf, bufsize))
			err = -EFAULT;
		kfree(buf);
	}
	return err;
}