From patchwork Fri Jan 13 21:11:22 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cristian Marussi X-Patchwork-Id: 13101634 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A9408C6379F for ; Fri, 13 Jan 2023 21:14:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=2vaoluKIrPuw/2RIFLtfhs0VeAVSu2DM2BZmIPdafOE=; b=wEzdV4JcyGvphy hrb4d8TGvLl2NRFy6Hd8M3dTjVfrzeNHzVyEemSZuWybDRi8E90rhDaLbfhHIDw+QzdUSNPuRiEyx 7yzhiZN64UlYurq6vYOB6QfIV6kpq2mTOwk61Gwm7wVGzKfLmQy0I3RAO/VPPGUdLEoqxMJZLHJFh qlS3JqkVjIPKBzLXZX5Hru6vRJ5oKYFFo7FKjW0Zi9yG7S8L3+u/6nuib+gRaT/1+a+ErYWIjlJDV +VUZy6zUZYCrfkhYb4zbepkvLiYoGzCiXGYwlRBZrtbvEYaeUHOE6GzBQC4Ge5tZp67RVPVEo6lIC ihWQ2gT+FWmpCgDSZVbA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pGRMT-004VFs-1z; Fri, 13 Jan 2023 21:13:17 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pGRLa-004UqT-8D for linux-arm-kernel@lists.infradead.org; Fri, 13 Jan 2023 21:12:23 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id F41E519F0; Fri, 13 Jan 2023 13:13:00 -0800 (PST) Received: from e120937-lin.. (unknown [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id D93703F587; Fri, 13 Jan 2023 13:12:16 -0800 (PST) From: Cristian Marussi To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: sudeep.holla@arm.com, james.quinlan@broadcom.com, Jonathan.Cameron@Huawei.com, f.fainelli@gmail.com, etienne.carriere@linaro.org, vincent.guittot@linaro.org, souvik.chakravarty@arm.com, wleavitt@marvell.com, peter.hilber@opensynergy.com, nicola.mazzucato@arm.com, tarek.el-sherbiny@arm.com, quic_kshivnan@quicinc.com, cristian.marussi@arm.com Subject: [PATCH v7 04/17] firmware: arm_scmi: Add flags field to xfer Date: Fri, 13 Jan 2023 21:11:22 +0000 Message-Id: <20230113211135.2530064-5-cristian.marussi@arm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230113211135.2530064-1-cristian.marussi@arm.com> References: <20230113211135.2530064-1-cristian.marussi@arm.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230113_131222_384933_9D5C1FF6 X-CRM114-Status: UNSURE ( 7.79 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add a flags field to xfer and define a flagbit and related macro to easily identify xfers originated from Raw transmissions. Signed-off-by: Cristian Marussi --- v5 --> v6 - convert is_raw boolean to a bitflag --- drivers/firmware/arm_scmi/protocols.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/firmware/arm_scmi/protocols.h b/drivers/firmware/arm_scmi/protocols.h index 2f3bf691db7c..b5941beb8b03 100644 --- a/drivers/firmware/arm_scmi/protocols.h +++ b/drivers/firmware/arm_scmi/protocols.h @@ -115,6 +115,7 @@ struct scmi_msg_hdr { * - SCMI_XFER_SENT_OK -> SCMI_XFER_RESP_OK [ -> SCMI_XFER_DRESP_OK ] * - SCMI_XFER_SENT_OK -> SCMI_XFER_DRESP_OK * (Missing synchronous response is assumed OK and ignored) + * @flags: Optional flags associated to this xfer. * @lock: A spinlock to protect state and busy fields. * @priv: A pointer for transport private usage. */ @@ -135,6 +136,9 @@ struct scmi_xfer { #define SCMI_XFER_RESP_OK 1 #define SCMI_XFER_DRESP_OK 2 int state; +#define SCMI_XFER_FLAG_IS_RAW BIT(0) +#define SCMI_XFER_IS_RAW(x) ((x)->flags & SCMI_XFER_FLAG_IS_RAW) + int flags; /* A lock to protect state and busy fields */ spinlock_t lock; void *priv;