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Included ecrt_voe_handler_read_nosync()-Patch by Mathias Weber.

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This commit is contained in:
Florian Pose
2008-11-18 11:13:49 +00:00
parent 8d46a283f6
commit fae8df09b0
5 changed files with 192 additions and 3 deletions
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master/cdev.c
+43
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@@ -2227,6 +2227,45 @@ int ec_cdev_ioctl_voe_read(
/*****************************************************************************/
/** Starts a VoE read operation without sending a sync message first.
*/
int ec_cdev_ioctl_voe_read_nosync(
ec_master_t *master, /**< EtherCAT master. */
unsigned long arg, /**< ioctl() argument. */
ec_cdev_priv_t *priv /**< Private data structure of file handle. */
)
{
ec_ioctl_voe_t data;
ec_slave_config_t *sc;
ec_voe_handler_t *voe;
if (unlikely(!priv->requested))
return -EPERM;
if (copy_from_user(&data, (void __user *) arg, sizeof(data)))
return -EFAULT;
if (down_interruptible(&master->master_sem))
return -EINTR;
if (!(sc = ec_master_get_config(master, data.config_index))) {
up(&master->master_sem);
return -ENOENT;
}
if (!(voe = ec_slave_config_find_voe_handler(sc, data.voe_index))) {
up(&master->master_sem);
return -ENOENT;
}
up(&master->master_sem);
ecrt_voe_handler_read_nosync(voe);
return 0;
}
/*****************************************************************************/
/** Starts a VoE write operation.
*/
int ec_cdev_ioctl_voe_write(
@@ -2559,6 +2598,10 @@ long eccdev_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
case EC_IOCTL_VOE_READ:
if (!(filp->f_mode & FMODE_WRITE))
return -EPERM;
case EC_IOCTL_VOE_READ_NOSYNC:
if (!(filp->f_mode & FMODE_WRITE))
return -EPERM;
return ec_cdev_ioctl_voe_read_nosync(master, arg, priv);
return ec_cdev_ioctl_voe_read(master, arg, priv);
case EC_IOCTL_VOE_WRITE:
if (!(filp->f_mode & FMODE_WRITE))