src-test/sys/dev/usb/usb_process.h, branch main

sys/dev: further adoption of SPDX licensing ID tags.

2017-11-27T14:52:40Z

Mainly focus on files that use BSD 2-Clause license, however the tool I was using misidentified many licenses so this was mostly a manual - error prone - task. The Software Package Data Exchange (SPDX) group provides a specification to make it easier for automated tools to detect and summarize well known opensource licenses. We are gradually adopting the specification, noting that the tags are considered only advisory and do not, in any way, superceed or replace the license texts.

Improve the realtime properties of USB transfers for embedded systems

2015-08-14T12:57:53Z

like RPI-B and RPI-2. Description of problem: USB transfers can process data in their callbacks sometimes causing unacceptable latency for other USB transfers. Separate BULK completion callbacks from CONTROL, INTERRUPT and ISOCHRONOUS callbacks, and give BULK completion callbacks lesser execution priority than the others. This way USB audio won't be interfered by heavy USB ethernet usage for example. Further serve USB transfer completion in a round robin fashion, instead of only serving the most CPU hungry. This has been done by adding a third flag to USB transfer queue structure which keeps track of looping callbacks. The "command" callback function then decides what to do when looping. MFC after: 2 weeks

Try to resolve a possible deadlock when detaching USB devices which

2014-03-20T13:53:24Z

create character devices. The deadlock can happen if an application is issuing IOCTLs which require USB refcounting, at the same time the USB device is detaching. There is already a counter in place in the USB device structure to detect this situation, but it was not always checked ahead of invoking functions that might destroy character devices, like detach, set configuration, set alternate interface or detach active kernel driver. Reported by: Daniel O'Connor MFC after: 1 week

Add convenience wrapper functions to run callbacks in the context of the

2013-04-23T10:42:15Z

USB explore thread.

Modify the FreeBSD USB kernel code so that it can be compiled directly

2013-01-30T15:26:04Z

into the FreeBSD boot loader, typically for non-USB aware BIOSes, EFI systems or embedded platforms. This is also useful for out of the system compilation of the FreeBSD USB stack for various purposes. The USB kernel files can now optionally include a global header file which should include all needed definitions required to compile the FreeBSD USB stack. When the global USB header file is included, no other USB header files will be included by default. Add new file containing the USB stack configuration for the FreeBSD loader build. Replace some __FBSDID()'s by /* $FreeBSD$ */ comments. Now all USB files follow the same style. Use cases: - console in loader via USB - loading kernel via USB Discussed with: Hiroki Sato, hrs @ EuroBSDCon

Use software interrupt priorities for USB kthreads instead of hardware

2011-01-13T14:15:36Z

interrupt priorities. Reviewed by: hps MFC after: 2 weeks

- Patch to allow USB controller to resume operation after

2009-08-24T05:05:38Z

being polled. - Remove the need for Giant from the USB HUB driver. - Leave device unconfigured instead of disabling the USB port when Huawei Autoinstall disk detection triggers. This should fix problems that the Huawei device is not detected after Autoinstall eject is issued. - Reported by: Nikolay Antsiferov - Fix memory use after free race for USB character devices. - Reported by: Lucius Windschuh - Factor out the enumeration lock into three functions to make the coming newbus lock conversion more easy. - usbd_enum_lock - usbd_enum_unlock - usbd_enum_is_locked Submitted by: hps

Change the usb workers from kernel processes to threads, this is mostly a

2009-08-16T14:13:55Z

cosmetic change to reduce cruft in the proc table. Also change the idle wait message to `-` like how taskqueues are. Reviewed by: julian Approved by: re (kib)

- Make struct usb_xfer opaque so that drivers can not access the internals

2009-06-23T02:19:59Z

- Reduce the number of headers needed for a usb driver, the common case is just usb.h and usbdi.h

Fix _USB2_* refernces in the header protection defines.

2009-06-15T01:09:19Z