From owner-svn-src-all@freebsd.org Thu Mar 19 09:16:01 2020 Return-Path: Delivered-To: svn-src-all@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 2C70825963C; Thu, 19 Mar 2020 09:16:01 +0000 (UTC) (envelope-from hselasky@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 48jh8w5q4rz4VTk; Thu, 19 Mar 2020 09:16:00 +0000 (UTC) (envelope-from hselasky@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id EABAD8A6A; Thu, 19 Mar 2020 09:15:59 +0000 (UTC) (envelope-from hselasky@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id 02J9FxLQ053192; Thu, 19 Mar 2020 09:15:59 GMT (envelope-from hselasky@FreeBSD.org) Received: (from hselasky@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 02J9FxpN053189; Thu, 19 Mar 2020 09:15:59 GMT (envelope-from hselasky@FreeBSD.org) Message-Id: <202003190915.02J9FxpN053189@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: hselasky set sender to hselasky@FreeBSD.org using -f From: Hans Petter Selasky Date: Thu, 19 Mar 2020 09:15:59 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r359120 - head/sys/dev/usb X-SVN-Group: head X-SVN-Commit-Author: hselasky X-SVN-Commit-Paths: head/sys/dev/usb X-SVN-Commit-Revision: 359120 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 19 Mar 2020 09:16:01 -0000 Author: hselasky Date: Thu Mar 19 09:15:59 2020 New Revision: 359120 URL: https://svnweb.freebsd.org/changeset/base/359120 Log: Correctly implement support for remote wakeup for USB 3.0 device. Submitted by: Horse Ma MFC after: 1 week Sponsored by: Mellanox Technologies Modified: head/sys/dev/usb/usb.h head/sys/dev/usb/usb_hub.c Modified: head/sys/dev/usb/usb.h ============================================================================== --- head/sys/dev/usb/usb.h Thu Mar 19 08:13:51 2020 (r359119) +++ head/sys/dev/usb/usb.h Thu Mar 19 09:15:59 2020 (r359120) @@ -274,6 +274,11 @@ typedef struct usb_device_request usb_device_request_t #define UHF_C_BH_PORT_RESET 29 #define UHF_FORCE_LINKPM_ACCEPT 30 +/* SuperSpeed suspend support */ +#define USB_INTERFACE_FUNC_SUSPEND 0 +#define USB_INTERFACE_FUNC_SUSPEND_LP (1 << 8) +#define USB_INTERFACE_FUNC_SUSPEND_RW (1 << 9) + struct usb_descriptor { uByte bLength; uByte bDescriptorType; Modified: head/sys/dev/usb/usb_hub.c ============================================================================== --- head/sys/dev/usb/usb_hub.c Thu Mar 19 08:13:51 2020 (r359119) +++ head/sys/dev/usb/usb_hub.c Thu Mar 19 09:15:59 2020 (r359120) @@ -2571,6 +2571,50 @@ usb_bus_powerd(struct usb_bus *bus) } #endif +static usb_error_t +usbd_device_30_remote_wakeup(struct usb_device *udev, uint8_t bRequest) +{ + struct usb_device_request req = {}; + + req.bmRequestType = UT_WRITE_INTERFACE; + req.bRequest = bRequest; + USETW(req.wValue, USB_INTERFACE_FUNC_SUSPEND); + USETW(req.wIndex, USB_INTERFACE_FUNC_SUSPEND_LP | + USB_INTERFACE_FUNC_SUSPEND_RW); + + return (usbd_do_request(udev, NULL, &req, 0)); +} + +static usb_error_t +usbd_clear_dev_wakeup(struct usb_device *udev) +{ + usb_error_t err; + + if (usb_device_20_compatible(udev)) { + err = usbd_req_clear_device_feature(udev, + NULL, UF_DEVICE_REMOTE_WAKEUP); + } else { + err = usbd_device_30_remote_wakeup(udev, + UR_CLEAR_FEATURE); + } + return (err); +} + +static usb_error_t +usbd_set_dev_wakeup(struct usb_device *udev) +{ + usb_error_t err; + + if (usb_device_20_compatible(udev)) { + err = usbd_req_set_device_feature(udev, + NULL, UF_DEVICE_REMOTE_WAKEUP); + } else { + err = usbd_device_30_remote_wakeup(udev, + UR_SET_FEATURE); + } + return (err); +} + /*------------------------------------------------------------------------* * usb_dev_resume_peer * @@ -2674,8 +2718,7 @@ usb_dev_resume_peer(struct usb_device *udev) /* check if peer has wakeup capability */ if (usb_peer_can_wakeup(udev)) { /* clear remote wakeup */ - err = usbd_req_clear_device_feature(udev, - NULL, UF_DEVICE_REMOTE_WAKEUP); + err = usbd_clear_dev_wakeup(udev); if (err) { DPRINTFN(0, "Clearing device " "remote wakeup failed: %s\n", @@ -2740,8 +2783,7 @@ repeat: */ /* allow device to do remote wakeup */ - err = usbd_req_set_device_feature(udev, - NULL, UF_DEVICE_REMOTE_WAKEUP); + err = usbd_set_dev_wakeup(udev); if (err) { DPRINTFN(0, "Setting device " "remote wakeup failed\n"); @@ -2767,8 +2809,7 @@ repeat: if (err != 0) { if (usb_peer_can_wakeup(udev)) { /* allow device to do remote wakeup */ - err = usbd_req_clear_device_feature(udev, - NULL, UF_DEVICE_REMOTE_WAKEUP); + err = usbd_clear_dev_wakeup(udev); if (err) { DPRINTFN(0, "Setting device " "remote wakeup failed\n");