From owner-dev-commits-src-all@freebsd.org Thu Sep 2 19:35:59 2021 Return-Path: Delivered-To: dev-commits-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 480676654B9; Thu, 2 Sep 2021 19:35:59 +0000 (UTC) (envelope-from git@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) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4H0rkk5y9Pz4kP4; Thu, 2 Sep 2021 19:35:58 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id AF45F1EAC1; Thu, 2 Sep 2021 19:35:58 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.16.1/8.16.1) with ESMTP id 182JZwWN064243; Thu, 2 Sep 2021 19:35:58 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 182JZwXb064242; Thu, 2 Sep 2021 19:35:58 GMT (envelope-from git) Date: Thu, 2 Sep 2021 19:35:58 GMT Message-Id: <202109021935.182JZwXb064242@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Vladimir Kondratyev Subject: git: cded1fdb3763 - main - hidmap: Implement forbidden flag for hidmap item. MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: wulf X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: cded1fdb3763ba1f0f3663e605a5e63089dc8e22 Auto-Submitted: auto-generated X-BeenThere: dev-commits-src-all@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Commit messages for all branches of the src repository List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 02 Sep 2021 19:35:59 -0000 The branch main has been updated by wulf: URL: https://cgit.FreeBSD.org/src/commit/?id=cded1fdb3763ba1f0f3663e605a5e63089dc8e22 commit cded1fdb3763ba1f0f3663e605a5e63089dc8e22 Author: Vladimir Kondratyev AuthorDate: 2021-09-02 19:31:51 +0000 Commit: Vladimir Kondratyev CommitDate: 2021-09-02 19:35:27 +0000 hidmap: Implement forbidden flag for hidmap item. If HID usage is mapped to evdev event by hidmap item marked with this flag than entire driver attachment is blocked. MFC after: 2 week --- sys/dev/hid/hidmap.c | 5 ++++- sys/dev/hid/hidmap.h | 3 ++- 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/sys/dev/hid/hidmap.c b/sys/dev/hid/hidmap.c index 46e789fa7cec..c46930214323 100644 --- a/sys/dev/hid/hidmap.c +++ b/sys/dev/hid/hidmap.c @@ -481,7 +481,10 @@ hidmap_probe_hid_descr(void *d_ptr, hid_size_t d_len, uint8_t tlc_index, /* Check that all mandatory usages are present in report descriptor */ if (items != 0) { for (i = 0; i < nitems_map; i++) { - if (map[i].required && isclr(caps, i)) { + KASSERT(!(map[i].required && map[i].forbidden), + ("both required & forbidden item flags are set")); + if ((map[i].required && isclr(caps, i)) || + (map[i].forbidden && isset(caps, i))) { items = 0; break; } diff --git a/sys/dev/hid/hidmap.h b/sys/dev/hid/hidmap.h index 6ac23b3dc4ee..f5ce10069e1a 100644 --- a/sys/dev/hid/hidmap.h +++ b/sys/dev/hid/hidmap.h @@ -98,7 +98,8 @@ struct hidmap_item { bool has_cb:1; bool final_cb:1; bool invert_value:1; - u_int reserved:10; + bool forbidden:1; /* Forbidden by driver */ + u_int reserved:9; }; #define HIDMAP_ANY(_page, _usage, _type, _code) \