From patchwork Fri Sep 2 13:29:25 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Tissoires X-Patchwork-Id: 602292 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1D192C38145 for ; Fri, 2 Sep 2022 14:07:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237276AbiIBOHF (ORCPT ); Fri, 2 Sep 2022 10:07:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56268 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238786AbiIBOGm (ORCPT ); Fri, 2 Sep 2022 10:06:42 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AC3D0135BB5 for ; Fri, 2 Sep 2022 06:34:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1662125640; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=f0GAKWTqOs6qKEZ02OWpQl93hgMAnN0FaAqE74XEQnw=; b=SIPxmOk8IFbIDno6hUO9pt2JY/1SXP5mcNbrIZ1O5u7baC+sLwfNFjM/L36AVpSpehz/3T xIHfZJmtAdAI2zGYtwZX8dWAZKqBW1lZQBwU5Hl/Vz2RonhjXKDI653/3FtX7DzoYHYN3K W8X7ihFx+WQ1ZBH2WBVrhYWVOPrG22w= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-550-OMf2KeH6OluHLtQwuC4G2Q-1; Fri, 02 Sep 2022 09:30:24 -0400 X-MC-Unique: OMf2KeH6OluHLtQwuC4G2Q-1 Received: from smtp.corp.redhat.com (int-mx09.intmail.prod.int.rdu2.redhat.com [10.11.54.9]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 8A4A4811E80; Fri, 2 Sep 2022 13:30:23 +0000 (UTC) Received: from plouf.redhat.com (unknown [10.39.193.218]) by smtp.corp.redhat.com (Postfix) with ESMTP id 7F9D2492C3B; Fri, 2 Sep 2022 13:30:19 +0000 (UTC) From: Benjamin Tissoires To: Greg KH , Jiri Kosina , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Martin KaFai Lau , Song Liu , Yonghong Song , Kumar Kartikeya Dwivedi , John Fastabend , KP Singh , Shuah Khan , Dave Marchevsky , Joe Stringer , Jonathan Corbet Cc: Tero Kristo , linux-kernel@vger.kernel.org, linux-input@vger.kernel.org, netdev@vger.kernel.org, bpf@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-doc@vger.kernel.org, Benjamin Tissoires Subject: [PATCH bpf-next v10 10/23] HID: convert defines of HID class requests into a proper enum Date: Fri, 2 Sep 2022 15:29:25 +0200 Message-Id: <20220902132938.2409206-11-benjamin.tissoires@redhat.com> In-Reply-To: <20220902132938.2409206-1-benjamin.tissoires@redhat.com> References: <20220902132938.2409206-1-benjamin.tissoires@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.85 on 10.11.54.9 Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org This allows to export the type in BTF and so in the automatically generated vmlinux.h. It will also add some static checks on the users when we change the ll driver API (see not below). Note that we need to also do change in the ll_driver API, but given that this will have a wider impact outside of this tree, we leave this as a TODO for the future. Reviewed-by: Greg Kroah-Hartman Signed-off-by: Benjamin Tissoires --- no changes in v10 no changes in v9 no changes in v8 no changes in v7 new in v6 --- drivers/hid/hid-core.c | 6 +++--- include/linux/hid.h | 9 +++++---- include/uapi/linux/hid.h | 14 ++++++++------ 3 files changed, 16 insertions(+), 13 deletions(-) diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index ab98754522d9..aff37d6f587c 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1921,7 +1921,7 @@ static struct hid_report *hid_get_report(struct hid_report_enum *report_enum, * DO NOT USE in hid drivers directly, but through hid_hw_request instead. */ int __hid_request(struct hid_device *hid, struct hid_report *report, - int reqtype) + enum hid_class_request reqtype) { char *buf; int ret; @@ -2353,7 +2353,7 @@ EXPORT_SYMBOL_GPL(hid_hw_close); * @reqtype: hid request type */ void hid_hw_request(struct hid_device *hdev, - struct hid_report *report, int reqtype) + struct hid_report *report, enum hid_class_request reqtype) { if (hdev->ll_driver->request) return hdev->ll_driver->request(hdev, report, reqtype); @@ -2378,7 +2378,7 @@ EXPORT_SYMBOL_GPL(hid_hw_request); */ int hid_hw_raw_request(struct hid_device *hdev, unsigned char reportnum, __u8 *buf, - size_t len, enum hid_report_type rtype, int reqtype) + size_t len, enum hid_report_type rtype, enum hid_class_request reqtype) { if (len < 1 || len > HID_MAX_BUFFER_SIZE || !buf) return -EINVAL; diff --git a/include/linux/hid.h b/include/linux/hid.h index b1a33dbbc78e..8677ae38599e 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -923,7 +923,7 @@ struct hid_field *hidinput_get_led_field(struct hid_device *hid); unsigned int hidinput_count_leds(struct hid_device *hid); __s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code); void hid_output_report(struct hid_report *report, __u8 *data); -int __hid_request(struct hid_device *hid, struct hid_report *rep, int reqtype); +int __hid_request(struct hid_device *hid, struct hid_report *rep, enum hid_class_request reqtype); u8 *hid_alloc_report_buf(struct hid_report *report, gfp_t flags); struct hid_device *hid_allocate_device(void); struct hid_report *hid_register_report(struct hid_device *device, @@ -1100,10 +1100,11 @@ void hid_hw_stop(struct hid_device *hdev); int __must_check hid_hw_open(struct hid_device *hdev); void hid_hw_close(struct hid_device *hdev); void hid_hw_request(struct hid_device *hdev, - struct hid_report *report, int reqtype); + struct hid_report *report, enum hid_class_request reqtype); int hid_hw_raw_request(struct hid_device *hdev, unsigned char reportnum, __u8 *buf, - size_t len, enum hid_report_type rtype, int reqtype); + size_t len, enum hid_report_type rtype, + enum hid_class_request reqtype); int hid_hw_output_report(struct hid_device *hdev, __u8 *buf, size_t len); /** @@ -1131,7 +1132,7 @@ static inline int hid_hw_power(struct hid_device *hdev, int level) * @reqtype: hid request type */ static inline int hid_hw_idle(struct hid_device *hdev, int report, int idle, - int reqtype) + enum hid_class_request reqtype) { if (hdev->ll_driver->idle) return hdev->ll_driver->idle(hdev, report, idle, reqtype); diff --git a/include/uapi/linux/hid.h b/include/uapi/linux/hid.h index b25b0bacaff2..a4dcb34386e3 100644 --- a/include/uapi/linux/hid.h +++ b/include/uapi/linux/hid.h @@ -58,12 +58,14 @@ enum hid_report_type { * HID class requests */ -#define HID_REQ_GET_REPORT 0x01 -#define HID_REQ_GET_IDLE 0x02 -#define HID_REQ_GET_PROTOCOL 0x03 -#define HID_REQ_SET_REPORT 0x09 -#define HID_REQ_SET_IDLE 0x0A -#define HID_REQ_SET_PROTOCOL 0x0B +enum hid_class_request { + HID_REQ_GET_REPORT = 0x01, + HID_REQ_GET_IDLE = 0x02, + HID_REQ_GET_PROTOCOL = 0x03, + HID_REQ_SET_REPORT = 0x09, + HID_REQ_SET_IDLE = 0x0A, + HID_REQ_SET_PROTOCOL = 0x0B, +}; /* * HID class descriptor types