From patchwork Fri Apr 12 16:26:26 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: quic_zijuhu X-Patchwork-Id: 788401 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6BA96148FE6 for ; Fri, 12 Apr 2024 16:27:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.168.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712939280; cv=none; b=D3xZjFsvBzu8b+GTYG8GGUEvLxOD5bp/TJPEnJ7p+wQM/WlpG9zYoSXctRPhWN1XMCqyfY5Ukp78ETjwJj53YJ9egTkHIpUrtLhTLdrvAVOY2nyFfCGAEdca/ROg+6D1siPZuFRt5eXdSuisRkJ6nKJhn2fOc7JeA8k0gXaGOAU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712939280; c=relaxed/simple; bh=zjjNUY5zEgxlr+XaqfhTEQ/BTaSPRRcX+Dpu77cqKKQ=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=i2ISJ/GofQoCS3k+Dec8nLQMUIp9dPokghKF67b0yAnSYyuWBo/oRZqZw/pwTw2SAuUSJZ0zmfuxtKyXWxfzvfBWgQQMaOQpqkcsicsv+8Nh4UI4TN9iLYYY+7sA7viOm0Xn66fpzjQEffspl9qzreMYUGnu2Quj2Aqb6z4E9ec= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com; spf=pass smtp.mailfrom=quicinc.com; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b=SPt2OXjj; arc=none smtp.client-ip=205.220.168.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=quicinc.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b="SPt2OXjj" Received: from pps.filterd (m0279866.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.24/8.17.1.24) with ESMTP id 43CDNUuQ010007; Fri, 12 Apr 2024 16:27:54 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-type; s=qcppdkim1; bh=RFq5ecCEP3q85c1BN2iF zK8JqwCVOInWfClSJc0Wp54=; b=SPt2OXjjn2BmC5I2og5oNbnwgveZyboYpzG5 quH6AKRta7/kSSrRDaLqxvkKcBknivgZFgZALlOknwFy991wuCHLxkVj3X55NHst SQW68R+/LruxOtO9s1nV/FrjJ97ktE0e1nuiXS9oOq4aImB6mgfitEcp59tcOGun E1csiGG9HnCRpjoDgKrR/vOtUxzEG0XWhQzFGRRMLB5Zb9alkAgurkRVFRz4l5iN B5aZIB/isHWxZ1ZKnjJCTZ44LKC91d6Cp5F29PZq7luLHnmLx1XeVB08Si0TIkIc /UyAonqRYG0v2Y/8BOGmHGyWjpCI8fusl+nRH8AsWZEcL4ZddQ== Received: from nasanppmta02.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3xewr39dsf-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 12 Apr 2024 16:27:53 +0000 (GMT) Received: from nasanex01a.na.qualcomm.com (nasanex01a.na.qualcomm.com [10.52.223.231]) by NASANPPMTA02.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 43CGRrLR014023 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 12 Apr 2024 16:27:53 GMT Received: from zijuhu-gv.qualcomm.com (10.80.80.8) by nasanex01a.na.qualcomm.com (10.52.223.231) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Fri, 12 Apr 2024 09:27:51 -0700 From: Zijun Hu To: , , CC: , Subject: [PATCH v1 2/3] Bluetooth: hci_ldisc: Add a ioctl HCIUARTSETPROTODATA Date: Sat, 13 Apr 2024 00:26:26 +0800 Message-ID: <1712939188-25529-3-git-send-email-quic_zijuhu@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1712939188-25529-1-git-send-email-quic_zijuhu@quicinc.com> References: <1710914907-30012-1-git-send-email-quic_zijuhu@quicinc.com> <1712939188-25529-1-git-send-email-quic_zijuhu@quicinc.com> Precedence: bulk X-Mailing-List: linux-bluetooth@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nasanex01a.na.qualcomm.com (10.52.223.231) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: PWz41h0tFFHS7YerwhaiHPY-BjTcA5oI X-Proofpoint-GUID: PWz41h0tFFHS7YerwhaiHPY-BjTcA5oI X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-04-12_12,2024-04-09_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 malwarescore=0 phishscore=0 spamscore=0 lowpriorityscore=0 mlxscore=0 bulkscore=0 clxscore=1015 adultscore=0 mlxlogscore=999 suspectscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2404010003 definitions=main-2404120120 HCIUARTSETPROTODATA is introduced to specify protocol specific settings prior to HCIUARTSETPROTO, for protocal QCA, it is used by tool btattch to specify soc type. Signed-off-by: Zijun Hu --- drivers/bluetooth/hci_ldisc.c | 10 ++++++++++ drivers/bluetooth/hci_uart.h | 3 +++ 2 files changed, 13 insertions(+) diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c index a26367e9fb19..4be09c61bae5 100644 --- a/drivers/bluetooth/hci_ldisc.c +++ b/drivers/bluetooth/hci_ldisc.c @@ -506,6 +506,7 @@ static int hci_uart_tty_open(struct tty_struct *tty) /* disable alignment support by default */ hu->alignment = 1; hu->padding = 0; + hu->proto_data = 0; INIT_WORK(&hu->init_ready, hci_uart_init_work); INIT_WORK(&hu->write_work, hci_uart_write_work); @@ -795,6 +796,15 @@ static int hci_uart_tty_ioctl(struct tty_struct *tty, unsigned int cmd, err = hu->hdev_flags; break; + case HCIUARTSETPROTODATA: + if (test_bit(HCI_UART_PROTO_SET, &hu->flags)) { + err = -EBUSY; + } else { + hu->proto_data = arg; + BT_DBG("HCIUARTSETPROTODATA %lu okay.", arg); + } + break; + default: err = n_tty_ioctl_helper(tty, cmd, arg); break; diff --git a/drivers/bluetooth/hci_uart.h b/drivers/bluetooth/hci_uart.h index 68c8c7e95d64..fc35e9bd4398 100644 --- a/drivers/bluetooth/hci_uart.h +++ b/drivers/bluetooth/hci_uart.h @@ -18,6 +18,8 @@ #define HCIUARTGETDEVICE _IOR('U', 202, int) #define HCIUARTSETFLAGS _IOW('U', 203, int) #define HCIUARTGETFLAGS _IOR('U', 204, int) +/* Used prior to HCIUARTSETPROTO */ +#define HCIUARTSETPROTODATA _IOW('U', 205, unsigned long) /* UART protocols */ #define HCI_UART_MAX_PROTO 12 @@ -71,6 +73,7 @@ struct hci_uart { struct work_struct init_ready; struct work_struct write_work; + unsigned long proto_data; const struct hci_uart_proto *proto; struct percpu_rw_semaphore proto_lock; /* Stop work for proto close */ void *priv;