07_ide_taskfile_task_ioctl.patch
ide_task_ioctl() rewritten to use taskfile transport. This is
the last user of REQ_DRIVE_TASK.
Signed-off-by: Tejun Heo <[EMAIL PROTECTED]>
ide-taskfile.c | 50 +++++++++++++++++++++++++++++++-------------------
1 files changed, 31 insertions(+), 19 deletions(-)
Index: linux-ide/drivers/ide/ide-taskfile.c
===================================================================
--- linux-ide.orig/drivers/ide/ide-taskfile.c 2005-02-10 17:38:01.539839336
+0900
+++ linux-ide/drivers/ide/ide-taskfile.c 2005-02-10 17:38:01.974766393
+0900
@@ -742,30 +742,42 @@ abort:
return err;
}
-static int ide_wait_cmd_task(ide_drive_t *drive, u8 *buf)
-{
- struct request rq;
-
- ide_init_drive_cmd(&rq);
- rq.flags = REQ_DRIVE_TASK;
- rq.buffer = buf;
- return ide_do_drive_cmd(drive, &rq, ide_wait);
-}
-
-/*
- * FIXME : this needs to map into at taskfile. <[EMAIL PROTECTED]>
- */
-int ide_task_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg)
+int ide_task_ioctl(ide_drive_t *drive, unsigned int cmd, unsigned long arg)
{
void __user *p = (void __user *)arg;
- int err = 0;
- u8 args[7], *argbuf = args;
- int argsize = 7;
+ int err;
+ u8 args[7];
+ ide_task_t task;
+ u8 *regs = task.tfRegister;
if (copy_from_user(args, p, 7))
return -EFAULT;
- err = ide_wait_cmd_task(drive, argbuf);
- if (copy_to_user(p, argbuf, argsize))
+
+ memset(&task, 0, sizeof(task));
+
+ regs[IDE_COMMAND_OFFSET] = args[0];
+ regs[IDE_FEATURE_OFFSET] = args[1];
+ regs[IDE_NSECTOR_OFFSET] = args[2];
+ regs[IDE_SECTOR_OFFSET] = args[3];
+ regs[IDE_LCYL_OFFSET] = args[4];
+ regs[IDE_HCYL_OFFSET] = args[5];
+ regs[IDE_SELECT_OFFSET] = args[6];
+
+ task.command_type = IDE_DRIVE_TASK_NO_DATA;
+ task.data_phase = TASKFILE_NO_DATA;
+ task.handler = &task_no_data_intr;
+
+ err = ide_diag_taskfile(drive, &task, 0, NULL);
+
+ args[0] = regs[IDE_COMMAND_OFFSET];
+ args[1] = regs[IDE_FEATURE_OFFSET];
+ args[2] = regs[IDE_NSECTOR_OFFSET];
+ args[3] = regs[IDE_SECTOR_OFFSET];
+ args[4] = regs[IDE_LCYL_OFFSET];
+ args[5] = regs[IDE_HCYL_OFFSET];
+ args[6] = regs[IDE_SELECT_OFFSET];
+
+ if (copy_to_user(p, args, 7))
err = -EFAULT;
return err;
}
-
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