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On Sat, 21 Jul 2018, Urja Rannikko wrote:
> Hi,
>
> This device presents itself as an USB CD Drive, and extends that
> "metaphor" (kinda) to how it transfers data (= ethernet frames in our
> case) between hosts. That is one SCSI vendor command (0xD8) over
> bulk-only mass-storage is used to poll
On Sat, Jul 21, 2018 at 11:11:55AM +, gu...@kiener-muenchen.de wrote:
>
> Zitat von Greg KH :
>
> > On Wed, Jul 18, 2018 at 10:45:41AM +0200, Guido Kiener wrote:
> > > Add USBTMC_IOCTL_CTRL_REQUEST to send arbitrary requests on the
> > > control pipe. Used by specific applications of IVI
Zitat von Greg KH :
On Wed, Jul 18, 2018 at 10:45:41AM +0200, Guido Kiener wrote:
Add USBTMC_IOCTL_CTRL_REQUEST to send arbitrary requests on the
control pipe. Used by specific applications of IVI Foundation,
Inc. to implement VISA API functions: viUsbControlIn/Out.
The maximum length of
On Wed, Jul 18, 2018 at 10:45:42AM +0200, Guido Kiener wrote:
> The new ioctl USBTMC_IOCTL_WRITE sends a generic message to bulk OUT.
> This ioctl is used for vendor specific or asynchronous I/O as well.
>
> The message is split into chunks of 4k (page size).
> Message size is aligned to 32 bit
On Wed, Jul 18, 2018 at 10:45:41AM +0200, Guido Kiener wrote:
> Add USBTMC_IOCTL_CTRL_REQUEST to send arbitrary requests on the
> control pipe. Used by specific applications of IVI Foundation,
> Inc. to implement VISA API functions: viUsbControlIn/Out.
>
> The maximum length of control request
On Wed, Jul 18, 2018 at 10:45:36AM +0200, Guido Kiener wrote:
> +/*
> + * Set the usb timeout value
> + */
> +static int usbtmc_ioctl_set_timeout(struct usbtmc_file_data *file_data,
> + void __user *arg)
> +{
> + u32 timeout;
> +
> + if (get_user(timeout, (__u32
On Wed, Jul 18, 2018 at 10:45:34AM +0200, Guido Kiener wrote:
> }
> - dev_warn(dev, "invalid notification: %x\n",
> data->iin_buffer[0]);
> + dev_warn(dev, "invalid notification: %x\n",
> + data->iin_buffer[0]);
> break;
>
Hi,
This device presents itself as an USB CD Drive, and extends that
"metaphor" (kinda) to how it transfers data (= ethernet frames in our
case) between hosts. That is one SCSI vendor command (0xD8) over
bulk-only mass-storage is used to poll whether data is available and
another one (0xD9) is
