From patchwork Tue Feb 13 00:53:43 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wesley Cheng X-Patchwork-Id: 13554333 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (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 B8B66225A4; Tue, 13 Feb 2024 00:54:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.180.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707785699; cv=none; b=SerdQRlG+t6hTfYhe3vkC8fHpOOTpZGa9+KUpu7ziZbweVdyeGW5wrs12qCfsZIWGQHRUAIds+F+WUYSzmLYMO91rnTFe2/mKyw/0CfpEZndhaUWnhZQmo9x9dCKa2C3qSfesspJ5+cQVz7neSiIPeKrlKs5HdsH4Yf3DVXyTTI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707785699; c=relaxed/simple; bh=iy+moeOwHnE7dgEZhZINQgamHIdgTcysBEEcZ7EgGr0=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=D5F+YBNFLQx0kET3ZXbkp7KRuNOg4/HGrYrAN+Iqx3+sWiX8UE4A6E+7NbO6iYFn0AbhZdv+47d777GRDsOhwfTqrb42bI5l2LL2zjiBGSX1wR4TOSG3cYi/tOPAiuEE8O+X8qEXARz0U7j9ltX3oJg453hDGaFWB8qOOVYxHmo= 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=bsoKlUmZ; arc=none smtp.client-ip=205.220.180.131 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="bsoKlUmZ" Received: from pps.filterd (m0279870.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.24/8.17.1.24) with ESMTP id 41D0PAna011684; Tue, 13 Feb 2024 00:54:37 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=SG5fCDVTmpRgSZycQx3K EfThnpA6x5R39MnhiUzJey0=; b=bsoKlUmZjt/S891Nyb1XM83g9r9lJzrogdJf I+ooPVuFjXanyrnYD4Ria/FkpN1diqgENzzlPYN8QnOZynce4gk24xBXDiggPYyT svnr2w1hjrFSIfTsm9nv1eH8DC0Ybm7MLrNKL3rH1VOyoWFKrmp3muIRL25Pflrr t2ODJG8HdgzZPJHDEtj1TNeL+/AY2Ep5/AWaGspRZx7aglgGbGp/HWtSUnf7rIwQ 2Q1wuVTUv3U7huLHhbvwMkH7aBqeVF4YFsF18J++Xxrlayf14XfAn+7RxI6+Ahmh R+RSZ8d+ehrCH57/LRIA5JuY4ae2pZUdxKeS88E48RWfaV7r/Q== Received: from nalasppmta03.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3w7nk91507-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 13 Feb 2024 00:54:37 +0000 (GMT) Received: from nalasex01b.na.qualcomm.com (nalasex01b.na.qualcomm.com [10.47.209.197]) by NALASPPMTA03.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 41D0san6031126 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 13 Feb 2024 00:54:36 GMT Received: from hu-wcheng-lv.qualcomm.com (10.49.16.6) by nalasex01b.na.qualcomm.com (10.47.209.197) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.40; Mon, 12 Feb 2024 16:54:35 -0800 From: Wesley Cheng To: , , , , , , , , , , , , , , CC: , , , , , , , Wesley Cheng Subject: [PATCH v15 11/50] usb: host: xhci: Export enable and disable interrupter APIs Date: Mon, 12 Feb 2024 16:53:43 -0800 Message-ID: <20240213005422.3121-12-quic_wcheng@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20240213005422.3121-1-quic_wcheng@quicinc.com> References: <20240213005422.3121-1-quic_wcheng@quicinc.com> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: nalasex01b.na.qualcomm.com (10.47.209.197) To nalasex01b.na.qualcomm.com (10.47.209.197) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: LCfdGDaDZiYhVHe7aTaewVdf5bQI7gFQ X-Proofpoint-ORIG-GUID: LCfdGDaDZiYhVHe7aTaewVdf5bQI7gFQ 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=2024-02-12_20,2024-02-12_03,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 lowpriorityscore=0 adultscore=0 spamscore=0 malwarescore=0 mlxscore=0 bulkscore=0 priorityscore=1501 mlxlogscore=531 impostorscore=0 clxscore=1015 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2401310000 definitions=main-2402130005 Secondary interrupters can be OS owned, so expose the enable and disable interrupter APIs, so that the interrupts can be configured as requested depending on the client. Signed-off-by: Wesley Cheng --- drivers/usb/host/xhci.c | 6 ++++-- drivers/usb/host/xhci.h | 2 ++ 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 872ce8c1a5ba..834d8d160da4 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -320,7 +320,7 @@ static void xhci_zero_64b_regs(struct xhci_hcd *xhci) xhci_info(xhci, "Fault detected\n"); } -static int xhci_enable_interrupter(struct xhci_interrupter *ir) +int xhci_enable_interrupter(struct xhci_interrupter *ir) { u32 iman; @@ -332,8 +332,9 @@ static int xhci_enable_interrupter(struct xhci_interrupter *ir) return 0; } +EXPORT_SYMBOL_GPL(xhci_enable_interrupter); -static int xhci_disable_interrupter(struct xhci_interrupter *ir) +int xhci_disable_interrupter(struct xhci_interrupter *ir) { u32 iman; @@ -345,6 +346,7 @@ static int xhci_disable_interrupter(struct xhci_interrupter *ir) return 0; } +EXPORT_SYMBOL_GPL(xhci_disable_interrupter); /* interrupt moderation interval imod_interval in nanoseconds */ static int xhci_set_interrupter_moderation(struct xhci_interrupter *ir, diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index eaea676c85d2..7c2481838f79 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -1871,6 +1871,8 @@ int xhci_alloc_tt_info(struct xhci_hcd *xhci, struct xhci_virt_device *virt_dev, struct usb_device *hdev, struct usb_tt *tt, gfp_t mem_flags); +int xhci_enable_interrupter(struct xhci_interrupter *ir); +int xhci_disable_interrupter(struct xhci_interrupter *ir); /* xHCI ring, segment, TRB, and TD functions */ dma_addr_t xhci_trb_virt_to_dma(struct xhci_segment *seg, union xhci_trb *trb);