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path: root/drivers/ide/ide-taskfile.c
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Diffstat (limited to 'drivers/ide/ide-taskfile.c')
-rw-r--r--drivers/ide/ide-taskfile.c668
1 files changed, 0 insertions, 668 deletions
diff --git a/drivers/ide/ide-taskfile.c b/drivers/ide/ide-taskfile.c
deleted file mode 100644
index 6665fc4724b9..000000000000
--- a/drivers/ide/ide-taskfile.c
+++ /dev/null
@@ -1,668 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright (C) 2000-2002 Michael Cornwell <cornwell@acm.org>
- * Copyright (C) 2000-2002 Andre Hedrick <andre@linux-ide.org>
- * Copyright (C) 2001-2002 Klaus Smolin
- * IBM Storage Technology Division
- * Copyright (C) 2003-2004, 2007 Bartlomiej Zolnierkiewicz
- *
- * The big the bad and the ugly.
- */
-
-#include <linux/types.h>
-#include <linux/string.h>
-#include <linux/kernel.h>
-#include <linux/export.h>
-#include <linux/sched.h>
-#include <linux/interrupt.h>
-#include <linux/errno.h>
-#include <linux/slab.h>
-#include <linux/delay.h>
-#include <linux/hdreg.h>
-#include <linux/ide.h>
-#include <linux/nmi.h>
-#include <linux/scatterlist.h>
-#include <linux/uaccess.h>
-
-#include <asm/io.h>
-
-void ide_tf_readback(ide_drive_t *drive, struct ide_cmd *cmd)
-{
- ide_hwif_t *hwif = drive->hwif;
- const struct ide_tp_ops *tp_ops = hwif->tp_ops;
-
- /* Be sure we're looking at the low order bytes */
- tp_ops->write_devctl(hwif, ATA_DEVCTL_OBS);
-
- tp_ops->tf_read(drive, &cmd->tf, cmd->valid.in.tf);
-
- if (cmd->tf_flags & IDE_TFLAG_LBA48) {
- tp_ops->write_devctl(hwif, ATA_HOB | ATA_DEVCTL_OBS);
-
- tp_ops->tf_read(drive, &cmd->hob, cmd->valid.in.hob);
- }
-}
-
-void ide_tf_dump(const char *s, struct ide_cmd *cmd)
-{
-#ifdef DEBUG
- printk("%s: tf: feat 0x%02x nsect 0x%02x lbal 0x%02x "
- "lbam 0x%02x lbah 0x%02x dev 0x%02x cmd 0x%02x\n",
- s, cmd->tf.feature, cmd->tf.nsect,
- cmd->tf.lbal, cmd->tf.lbam, cmd->tf.lbah,
- cmd->tf.device, cmd->tf.command);
- printk("%s: hob: nsect 0x%02x lbal 0x%02x lbam 0x%02x lbah 0x%02x\n",
- s, cmd->hob.nsect, cmd->hob.lbal, cmd->hob.lbam, cmd->hob.lbah);
-#endif
-}
-
-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);
-}
-
-static ide_startstop_t task_no_data_intr(ide_drive_t *);
-static ide_startstop_t pre_task_out_intr(ide_drive_t *, struct ide_cmd *);
-static ide_startstop_t task_pio_intr(ide_drive_t *);
-
-ide_startstop_t do_rw_taskfile(ide_drive_t *drive, struct ide_cmd *orig_cmd)
-{
- ide_hwif_t *hwif = drive->hwif;
- struct ide_cmd *cmd = &hwif->cmd;
- struct ide_taskfile *tf = &cmd->tf;
- ide_handler_t *handler = NULL;
- const struct ide_tp_ops *tp_ops = hwif->tp_ops;
- const struct ide_dma_ops *dma_ops = hwif->dma_ops;
-
- if (orig_cmd->protocol == ATA_PROT_PIO &&
- (orig_cmd->tf_flags & IDE_TFLAG_MULTI_PIO) &&
- drive->mult_count == 0) {
- pr_err("%s: multimode not set!\n", drive->name);
- return ide_stopped;
- }
-
- if (orig_cmd->ftf_flags & IDE_FTFLAG_FLAGGED)
- orig_cmd->ftf_flags |= IDE_FTFLAG_SET_IN_FLAGS;
-
- memcpy(cmd, orig_cmd, sizeof(*cmd));
-
- if ((cmd->tf_flags & IDE_TFLAG_DMA_PIO_FALLBACK) == 0) {
- ide_tf_dump(drive->name, cmd);
- tp_ops->write_devctl(hwif, ATA_DEVCTL_OBS);
-
- if (cmd->ftf_flags & IDE_FTFLAG_OUT_DATA) {
- u8 data[2] = { cmd->tf.data, cmd->hob.data };
-
- tp_ops->output_data(drive, cmd, data, 2);
- }
-
- if (cmd->valid.out.tf & IDE_VALID_DEVICE) {
- u8 HIHI = (cmd->tf_flags & IDE_TFLAG_LBA48) ?
- 0xE0 : 0xEF;
-
- if (!(cmd->ftf_flags & IDE_FTFLAG_FLAGGED))
- cmd->tf.device &= HIHI;
- cmd->tf.device |= drive->select;
- }
-
- tp_ops->tf_load(drive, &cmd->hob, cmd->valid.out.hob);
- tp_ops->tf_load(drive, &cmd->tf, cmd->valid.out.tf);
- }
-
- switch (cmd->protocol) {
- case ATA_PROT_PIO:
- if (cmd->tf_flags & IDE_TFLAG_WRITE) {
- tp_ops->exec_command(hwif, tf->command);
- ndelay(400); /* FIXME */
- return pre_task_out_intr(drive, cmd);
- }
- handler = task_pio_intr;
- fallthrough;
- case ATA_PROT_NODATA:
- if (handler == NULL)
- handler = task_no_data_intr;
- ide_execute_command(drive, cmd, handler, WAIT_WORSTCASE);
- return ide_started;
- case ATA_PROT_DMA:
- if (ide_dma_prepare(drive, cmd))
- return ide_stopped;
- hwif->expiry = dma_ops->dma_timer_expiry;
- ide_execute_command(drive, cmd, ide_dma_intr, 2 * WAIT_CMD);
- dma_ops->dma_start(drive);
- fallthrough;
- default:
- return ide_started;
- }
-}
-EXPORT_SYMBOL_GPL(do_rw_taskfile);
-
-static ide_startstop_t task_no_data_intr(ide_drive_t *drive)
-{
- ide_hwif_t *hwif = drive->hwif;
- struct ide_cmd *cmd = &hwif->cmd;
- struct ide_taskfile *tf = &cmd->tf;
- int custom = (cmd->tf_flags & IDE_TFLAG_CUSTOM_HANDLER) ? 1 : 0;
- int retries = (custom && tf->command == ATA_CMD_INIT_DEV_PARAMS) ? 5 : 1;
- u8 stat;
-
- local_irq_enable_in_hardirq();
-
- while (1) {
- stat = hwif->tp_ops->read_status(hwif);
- if ((stat & ATA_BUSY) == 0 || retries-- == 0)
- break;
- udelay(10);
- };
-
- if (!OK_STAT(stat, ATA_DRDY, BAD_STAT)) {
- if (custom && tf->command == ATA_CMD_SET_MULTI) {
- drive->mult_req = drive->mult_count = 0;
- drive->special_flags |= IDE_SFLAG_RECALIBRATE;
- (void)ide_dump_status(drive, __func__, stat);
- return ide_stopped;
- } else if (custom && tf->command == ATA_CMD_INIT_DEV_PARAMS) {
- if ((stat & (ATA_ERR | ATA_DRQ)) == 0) {
- ide_set_handler(drive, &task_no_data_intr,
- WAIT_WORSTCASE);
- return ide_started;
- }
- }
- return ide_error(drive, "task_no_data_intr", stat);
- }
-
- if (custom && tf->command == ATA_CMD_SET_MULTI)
- drive->mult_count = drive->mult_req;
-
- if (custom == 0 || tf->command == ATA_CMD_IDLEIMMEDIATE ||
- tf->command == ATA_CMD_CHK_POWER) {
- struct request *rq = hwif->rq;
-
- if (ata_pm_request(rq))
- ide_complete_pm_rq(drive, rq);
- else
- ide_finish_cmd(drive, cmd, stat);
- }
-
- return ide_stopped;
-}
-
-static u8 wait_drive_not_busy(ide_drive_t *drive)
-{
- ide_hwif_t *hwif = drive->hwif;
- int retries;
- u8 stat;
-
- /*
- * Last sector was transferred, wait until device is ready. This can
- * take up to 6 ms on some ATAPI devices, so we will wait max 10 ms.
- */
- for (retries = 0; retries < 1000; retries++) {
- stat = hwif->tp_ops->read_status(hwif);
-
- if (stat & ATA_BUSY)
- udelay(10);
- else
- break;
- }
-
- if (stat & ATA_BUSY)
- pr_err("%s: drive still BUSY!\n", drive->name);
-
- return stat;
-}
-
-void ide_pio_bytes(ide_drive_t *drive, struct ide_cmd *cmd,
- unsigned int write, unsigned int len)
-{
- ide_hwif_t *hwif = drive->hwif;
- struct scatterlist *sg = hwif->sg_table;
- struct scatterlist *cursg = cmd->cursg;
- struct page *page;
- unsigned int offset;
- u8 *buf;
-
- if (cursg == NULL)
- cursg = cmd->cursg = sg;
-
- while (len) {
- unsigned nr_bytes = min(len, cursg->length - cmd->cursg_ofs);
-
- page = sg_page(cursg);
- offset = cursg->offset + cmd->cursg_ofs;
-
- /* get the current page and offset */
- page = nth_page(page, (offset >> PAGE_SHIFT));
- offset %= PAGE_SIZE;
-
- nr_bytes = min_t(unsigned, nr_bytes, (PAGE_SIZE - offset));
-
- buf = kmap_atomic(page) + offset;
-
- cmd->nleft -= nr_bytes;
- cmd->cursg_ofs += nr_bytes;
-
- if (cmd->cursg_ofs == cursg->length) {
- cursg = cmd->cursg = sg_next(cmd->cursg);
- cmd->cursg_ofs = 0;
- }
-
- /* do the actual data transfer */
- if (write)
- hwif->tp_ops->output_data(drive, cmd, buf, nr_bytes);
- else
- hwif->tp_ops->input_data(drive, cmd, buf, nr_bytes);
-
- kunmap_atomic(buf);
-
- len -= nr_bytes;
- }
-}
-EXPORT_SYMBOL_GPL(ide_pio_bytes);
-
-static void ide_pio_datablock(ide_drive_t *drive, struct ide_cmd *cmd,
- unsigned int write)
-{
- unsigned int nr_bytes;
-
- u8 saved_io_32bit = drive->io_32bit;
-
- if (cmd->tf_flags & IDE_TFLAG_FS)
- scsi_req(cmd->rq)->result = 0;
-
- if (cmd->tf_flags & IDE_TFLAG_IO_16BIT)
- drive->io_32bit = 0;
-
- touch_softlockup_watchdog();
-
- if (cmd->tf_flags & IDE_TFLAG_MULTI_PIO)
- nr_bytes = min_t(unsigned, cmd->nleft, drive->mult_count << 9);
- else
- nr_bytes = SECTOR_SIZE;
-
- ide_pio_bytes(drive, cmd, write, nr_bytes);
-
- drive->io_32bit = saved_io_32bit;
-}
-
-static void ide_error_cmd(ide_drive_t *drive, struct ide_cmd *cmd)
-{
- if (cmd->tf_flags & IDE_TFLAG_FS) {
- int nr_bytes = cmd->nbytes - cmd->nleft;
-
- if (cmd->protocol == ATA_PROT_PIO &&
- ((cmd->tf_flags & IDE_TFLAG_WRITE) || cmd->nleft == 0)) {
- if (cmd->tf_flags & IDE_TFLAG_MULTI_PIO)
- nr_bytes -= drive->mult_count << 9;
- else
- nr_bytes -= SECTOR_SIZE;
- }
-
- if (nr_bytes > 0)
- ide_complete_rq(drive, BLK_STS_OK, nr_bytes);
- }
-}
-
-void ide_finish_cmd(ide_drive_t *drive, struct ide_cmd *cmd, u8 stat)
-{
- struct request *rq = drive->hwif->rq;
- u8 err = ide_read_error(drive), nsect = cmd->tf.nsect;
- u8 set_xfer = !!(cmd->tf_flags & IDE_TFLAG_SET_XFER);
-
- ide_complete_cmd(drive, cmd, stat, err);
- scsi_req(rq)->result = err;
-
- if (err == 0 && set_xfer) {
- ide_set_xfer_rate(drive, nsect);
- ide_driveid_update(drive);
- }
-
- ide_complete_rq(drive, err ? BLK_STS_IOERR : BLK_STS_OK, blk_rq_bytes(rq));
-}
-
-/*
- * Handler for command with PIO data phase.
- */
-static ide_startstop_t task_pio_intr(ide_drive_t *drive)
-{
- ide_hwif_t *hwif = drive->hwif;
- struct ide_cmd *cmd = &drive->hwif->cmd;
- u8 stat = hwif->tp_ops->read_status(hwif);
- u8 write = !!(cmd->tf_flags & IDE_TFLAG_WRITE);
-
- if (write == 0) {
- /* Error? */
- if (stat & ATA_ERR)
- goto out_err;
-
- /* Didn't want any data? Odd. */
- if ((stat & ATA_DRQ) == 0) {
- /* Command all done? */
- if (OK_STAT(stat, ATA_DRDY, ATA_BUSY))
- goto out_end;
-
- /* Assume it was a spurious irq */
- goto out_wait;
- }
- } else {
- if (!OK_STAT(stat, DRIVE_READY, drive->bad_wstat))
- goto out_err;
-
- /* Deal with unexpected ATA data phase. */
- if (((stat & ATA_DRQ) == 0) ^ (cmd->nleft == 0))
- goto out_err;
- }
-
- if (write && cmd->nleft == 0)
- goto out_end;
-
- /* Still data left to transfer. */
- ide_pio_datablock(drive, cmd, write);
-
- /* Are we done? Check status and finish transfer. */
- if (write == 0 && cmd->nleft == 0) {
- stat = wait_drive_not_busy(drive);
- if (!OK_STAT(stat, 0, BAD_STAT))
- goto out_err;
-
- goto out_end;
- }
-out_wait:
- /* Still data left to transfer. */
- ide_set_handler(drive, &task_pio_intr, WAIT_WORSTCASE);
- return ide_started;
-out_end:
- if ((cmd->tf_flags & IDE_TFLAG_FS) == 0)
- ide_finish_cmd(drive, cmd, stat);
- else
- ide_complete_rq(drive, BLK_STS_OK, blk_rq_sectors(cmd->rq) << 9);
- return ide_stopped;
-out_err:
- ide_error_cmd(drive, cmd);
- return ide_error(drive, __func__, stat);
-}
-
-static ide_startstop_t pre_task_out_intr(ide_drive_t *drive,
- struct ide_cmd *cmd)
-{
- ide_startstop_t startstop;
-
- if (ide_wait_stat(&startstop, drive, ATA_DRQ,
- drive->bad_wstat, WAIT_DRQ)) {
- pr_err("%s: no DRQ after issuing %sWRITE%s\n", drive->name,
- (cmd->tf_flags & IDE_TFLAG_MULTI_PIO) ? "MULT" : "",
- (drive->dev_flags & IDE_DFLAG_LBA48) ? "_EXT" : "");
- return startstop;
- }
-
- if (!force_irqthreads && (drive->dev_flags & IDE_DFLAG_UNMASK) == 0)
- local_irq_disable();
-
- ide_set_handler(drive, &task_pio_intr, WAIT_WORSTCASE);
-
- ide_pio_datablock(drive, cmd, 1);
-
- return ide_started;
-}
-
-int ide_raw_taskfile(ide_drive_t *drive, struct ide_cmd *cmd, u8 *buf,
- u16 nsect)
-{
- struct request *rq;
- int error;
-
- rq = blk_get_request(drive->queue,
- (cmd->tf_flags & IDE_TFLAG_WRITE) ?
- REQ_OP_DRV_OUT : REQ_OP_DRV_IN, 0);
- ide_req(rq)->type = ATA_PRIV_TASKFILE;
-
- /*
- * (ks) We transfer currently only whole sectors.
- * This is suffient for now. But, it would be great,
- * if we would find a solution to transfer any size.
- * To support special commands like READ LONG.
- */
- if (nsect) {
- error = blk_rq_map_kern(drive->queue, rq, buf,
- nsect * SECTOR_SIZE, GFP_NOIO);
- if (error)
- goto put_req;
- }
-
- ide_req(rq)->special = cmd;
- cmd->rq = rq;
-
- blk_execute_rq(NULL, rq, 0);
- error = scsi_req(rq)->result ? -EIO : 0;
-put_req:
- blk_put_request(rq);
- return error;
-}
-EXPORT_SYMBOL(ide_raw_taskfile);
-
-int ide_no_data_taskfile(ide_drive_t *drive, struct ide_cmd *cmd)
-{
- cmd->protocol = ATA_PROT_NODATA;
-
- return ide_raw_taskfile(drive, cmd, NULL, 0);
-}
-EXPORT_SYMBOL_GPL(ide_no_data_taskfile);
-
-#ifdef CONFIG_IDE_TASK_IOCTL
-int ide_taskfile_ioctl(ide_drive_t *drive, unsigned long arg)
-{
- ide_task_request_t *req_task;
- struct ide_cmd cmd;
- 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;
-
- req_task = memdup_user(buf, tasksize);
- if (IS_ERR(req_task))
- return PTR_ERR(req_task);
-
- 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(&cmd, 0, sizeof(cmd));
-
- memcpy(&cmd.hob, req_task->hob_ports, HDIO_DRIVE_HOB_HDR_SIZE - 2);
- memcpy(&cmd.tf, req_task->io_ports, HDIO_DRIVE_TASK_HDR_SIZE);
-
- cmd.valid.out.tf = IDE_VALID_DEVICE;
- cmd.valid.in.tf = IDE_VALID_DEVICE | IDE_VALID_IN_TF;
- cmd.tf_flags = IDE_TFLAG_IO_16BIT;
-
- if (drive->dev_flags & IDE_DFLAG_LBA48) {
- cmd.tf_flags |= IDE_TFLAG_LBA48;
- cmd.valid.in.hob = IDE_VALID_IN_HOB;
- }
-
- if (req_task->out_flags.all) {
- cmd.ftf_flags |= IDE_FTFLAG_FLAGGED;
-
- if (req_task->out_flags.b.data)
- cmd.ftf_flags |= IDE_FTFLAG_OUT_DATA;
-
- if (req_task->out_flags.b.nsector_hob)
- cmd.valid.out.hob |= IDE_VALID_NSECT;
- if (req_task->out_flags.b.sector_hob)
- cmd.valid.out.hob |= IDE_VALID_LBAL;
- if (req_task->out_flags.b.lcyl_hob)
- cmd.valid.out.hob |= IDE_VALID_LBAM;
- if (req_task->out_flags.b.hcyl_hob)
- cmd.valid.out.hob |= IDE_VALID_LBAH;
-
- if (req_task->out_flags.b.error_feature)
- cmd.valid.out.tf |= IDE_VALID_FEATURE;
- if (req_task->out_flags.b.nsector)
- cmd.valid.out.tf |= IDE_VALID_NSECT;
- if (req_task->out_flags.b.sector)
- cmd.valid.out.tf |= IDE_VALID_LBAL;
- if (req_task->out_flags.b.lcyl)
- cmd.valid.out.tf |= IDE_VALID_LBAM;
- if (req_task->out_flags.b.hcyl)
- cmd.valid.out.tf |= IDE_VALID_LBAH;
- } else {
- cmd.valid.out.tf |= IDE_VALID_OUT_TF;
- if (cmd.tf_flags & IDE_TFLAG_LBA48)
- cmd.valid.out.hob |= IDE_VALID_OUT_HOB;
- }
-
- if (req_task->in_flags.b.data)
- cmd.ftf_flags |= IDE_FTFLAG_IN_DATA;
-
- if (req_task->req_cmd == IDE_DRIVE_TASK_RAW_WRITE) {
- /* fixup data phase if needed */
- if (req_task->data_phase == TASKFILE_IN_DMAQ ||
- req_task->data_phase == TASKFILE_IN_DMA)
- cmd.tf_flags |= IDE_TFLAG_WRITE;
- }
-
- cmd.protocol = ATA_PROT_DMA;
-
- switch (req_task->data_phase) {
- case TASKFILE_MULTI_OUT:
- if (!drive->mult_count) {
- /* (hs): give up if multcount is not set */
- pr_err("%s: %s Multimode Write multcount is not set\n",
- drive->name, __func__);
- err = -EPERM;
- goto abort;
- }
- cmd.tf_flags |= IDE_TFLAG_MULTI_PIO;
- fallthrough;
- case TASKFILE_OUT:
- cmd.protocol = ATA_PROT_PIO;
- fallthrough;
- case TASKFILE_OUT_DMAQ:
- case TASKFILE_OUT_DMA:
- cmd.tf_flags |= IDE_TFLAG_WRITE;
- nsect = taskout / SECTOR_SIZE;
- data_buf = outbuf;
- break;
- case TASKFILE_MULTI_IN:
- if (!drive->mult_count) {
- /* (hs): give up if multcount is not set */
- pr_err("%s: %s Multimode Read multcount is not set\n",
- drive->name, __func__);
- err = -EPERM;
- goto abort;
- }
- cmd.tf_flags |= IDE_TFLAG_MULTI_PIO;
- fallthrough;
- case TASKFILE_IN:
- cmd.protocol = ATA_PROT_PIO;
- fallthrough;
- case TASKFILE_IN_DMAQ:
- case TASKFILE_IN_DMA:
- nsect = taskin / SECTOR_SIZE;
- data_buf = inbuf;
- break;
- case TASKFILE_NO_DATA:
- cmd.protocol = ATA_PROT_NODATA;
- break;
- default:
- err = -EFAULT;
- goto abort;
- }
-
- if (req_task->req_cmd == IDE_DRIVE_TASK_NO_DATA)
- nsect = 0;
- else if (!nsect) {
- nsect = (cmd.hob.nsect << 8) | cmd.tf.nsect;
-
- if (!nsect) {
- pr_err("%s: in/out command without data\n",
- drive->name);
- err = -EFAULT;
- goto abort;
- }
- }
-
- err = ide_raw_taskfile(drive, &cmd, data_buf, nsect);
-
- memcpy(req_task->hob_ports, &cmd.hob, HDIO_DRIVE_HOB_HDR_SIZE - 2);
- memcpy(req_task->io_ports, &cmd.tf, HDIO_DRIVE_TASK_HDR_SIZE);
-
- if ((cmd.ftf_flags & IDE_FTFLAG_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);
-
- return err;
-}
-#endif