From owner-svn-src-head@freebsd.org Fri Apr 5 19:31:28 2019 Return-Path: Delivered-To: svn-src-head@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 03674155B831; Fri, 5 Apr 2019 19:31:28 +0000 (UTC) (envelope-from kib@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 9B9D770E03; Fri, 5 Apr 2019 19:31:27 +0000 (UTC) (envelope-from kib@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 720B119A4C; Fri, 5 Apr 2019 19:31:27 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x35JVRg3087019; Fri, 5 Apr 2019 19:31:27 GMT (envelope-from kib@FreeBSD.org) Received: (from kib@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x35JVR3X087017; Fri, 5 Apr 2019 19:31:27 GMT (envelope-from kib@FreeBSD.org) Message-Id: <201904051931.x35JVR3X087017@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: kib set sender to kib@FreeBSD.org using -f From: Konstantin Belousov Date: Fri, 5 Apr 2019 19:31:27 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r345965 - in head/sys: kern sys X-SVN-Group: head X-SVN-Commit-Author: kib X-SVN-Commit-Paths: in head/sys: kern sys X-SVN-Commit-Revision: 345965 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 9B9D770E03 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.95 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-0.999,0]; NEURAL_HAM_SHORT(-0.95)[-0.950,0]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US] X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 05 Apr 2019 19:31:28 -0000 Author: kib Date: Fri Apr 5 19:31:26 2019 New Revision: 345965 URL: https://svnweb.freebsd.org/changeset/base/345965 Log: Add DEV_RESET /dev/devctl2 ioctl. It performs BUS_RESET_CHILD() on the parental bus and the specified device. Reviewed by: imp (previous version), jhb (previous version) Sponsored by: Mellanox Technologies MFC after: 2 weeks Differential revision: https://reviews.freebsd.org/D19646 Modified: head/sys/kern/subr_bus.c head/sys/sys/bus.h Modified: head/sys/kern/subr_bus.c ============================================================================== --- head/sys/kern/subr_bus.c Fri Apr 5 19:27:51 2019 (r345964) +++ head/sys/kern/subr_bus.c Fri Apr 5 19:31:26 2019 (r345965) @@ -5646,6 +5646,7 @@ devctl2_ioctl(struct cdev *cdev, u_long cmd, caddr_t d case DEV_CLEAR_DRIVER: case DEV_RESCAN: case DEV_DELETE: + case DEV_RESET: error = priv_check(td, PRIV_DRIVER); if (error == 0) error = find_device(req, &dev); @@ -5870,6 +5871,14 @@ devctl2_ioctl(struct cdev *cdev, u_long cmd, caddr_t d device_do_deferred_actions(); device_frozen = false; } + break; + case DEV_RESET: + if ((req->dr_flags & ~(DEVF_RESET_DETACH)) != 0) { + error = EINVAL; + break; + } + error = BUS_RESET_CHILD(device_get_parent(dev), dev, + req->dr_flags); break; } mtx_unlock(&Giant); Modified: head/sys/sys/bus.h ============================================================================== --- head/sys/sys/bus.h Fri Apr 5 19:27:51 2019 (r345964) +++ head/sys/sys/bus.h Fri Apr 5 19:31:26 2019 (r345965) @@ -130,6 +130,7 @@ struct devreq { #define DEV_DELETE _IOW('D', 10, struct devreq) #define DEV_FREEZE _IOW('D', 11, struct devreq) #define DEV_THAW _IOW('D', 12, struct devreq) +#define DEV_RESET _IOW('D', 13, struct devreq) /* Flags for DEV_DETACH and DEV_DISABLE. */ #define DEVF_FORCE_DETACH 0x0000001