Zitat von Greg KH :
On Tue, Jul 24, 2018 at 11:05:29AM +0200, Guido Kiener wrote:
+struct usbtmc_ctrlrequest {
+ struct usbtmc_request req;
+ __u64 data; /* pointer to user space */
+} __attribute__ ((packed));
Hint, this structure could just be:
struct
Zitat von Greg KH :
On Tue, Jul 24, 2018 at 11:05:29AM +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 Tue, Jul 24, 2018 at 11:05:29AM +0200, Guido Kiener wrote:
> +struct usbtmc_ctrlrequest {
> + struct usbtmc_request req;
> + __u64 data; /* pointer to user space */
> +} __attribute__ ((packed));
Hint, this structure could just be:
struct usbtmc_ctrlreqest {
On Tue, Jul 24, 2018 at 11:05:29AM +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
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 is set to 4k.
Signed-off-by: Guido Kiener
Reviewed-by: Steve Bayless
