From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7466CC43460 for ; Tue, 11 May 2021 00:28:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 43B9F61613 for ; Tue, 11 May 2021 00:28:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231131AbhEKA37 (ORCPT ); Mon, 10 May 2021 20:29:59 -0400 Received: from mx1.opensynergy.com ([217.66.60.4]:35445 "EHLO mx1.opensynergy.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231420AbhEKA3t (ORCPT ); Mon, 10 May 2021 20:29:49 -0400 Received: from SR-MAILGATE-02.opensynergy.com (localhost.localdomain [127.0.0.1]) by mx1.opensynergy.com (Proxmox) with ESMTP id B9B33A1A33; Tue, 11 May 2021 02:22:08 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=opensynergy.com; h=cc:cc:content-transfer-encoding:content-type:content-type :date:from:from:in-reply-to:message-id:mime-version:references :reply-to:subject:subject:to:to; s=srmailgate02; bh=qDRth01lvcca cQ4leScF8MqXeu+HXFiuV4vdo43NTWA=; b=l3D6+Lg0/yxa6+4wfSVlzgOUMBM9 Uje/YGgCyD2sbYNUoQDHiiONNgRYhTvEjPbww51bPTUtCaB2BWoua+kMDYe4OYXl 53v6nOvJME8MkmDRT6WVFTaB5iQ7EJOawBGWlt1TyMqCZO1kswGgHfTuQFB7gJLX 2SujQGhBfQ8ydb7sMw3TL5MqvwkjCHh/gNxJdMRa59FzXC3IhIxEscOzr0sktI6X zKsbGLqad8WkmcwGJc1Ic2TGHDs3sZpdoN6/3FmTMAjSu6PF2SeZ2yl/Q3d/z2qW FGwdu8263qq+Yjr/Kh/B1hm0jMIhP9XNEf6K6DEhiATlyogF+Gi3rJxvdw== From: Peter Hilber To: , CC: Peter Hilber , Rob Herring , , , , , , , , , Vasyl Vavrychuk , Andriy Tryshnivskyy , Cristian Marussi Subject: [RFC PATCH v3 08/12] firmware: arm_scmi: Add optional drop_message() transport op Date: Tue, 11 May 2021 02:20:36 +0200 Message-ID: <20210511002040.802226-9-peter.hilber@opensynergy.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210511002040.802226-1-peter.hilber@opensynergy.com> References: <20210511002040.802226-1-peter.hilber@opensynergy.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: SR-MAIL-01.open-synergy.com (10.26.10.21) To SR-MAIL-02.open-synergy.com (10.26.10.22) Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org The virtio transport will need to know when the core has finished using a message. Add a transport op that indicates this to scmi_rx_callback(). Do not address the polling case for now. Signed-off-by: Peter Hilber --- drivers/firmware/arm_scmi/common.h | 2 ++ drivers/firmware/arm_scmi/driver.c | 4 ++++ 2 files changed, 6 insertions(+) diff --git a/drivers/firmware/arm_scmi/common.h b/drivers/firmware/arm_scmi/common.h index 5ab2ea0f7db2..51ee08bdcb0c 100644 --- a/drivers/firmware/arm_scmi/common.h +++ b/drivers/firmware/arm_scmi/common.h @@ -298,6 +298,7 @@ struct scmi_chan_info { * @fetch_notification: Callback to fetch notification * @clear_channel: Callback to clear a channel * @poll_done: Callback to poll transfer status + * @drop_message: Optional callback when finished using msg_handle */ struct scmi_transport_ops { int (*link_supplier)(struct device *dev); @@ -315,6 +316,7 @@ struct scmi_transport_ops { struct scmi_xfer *xfer, void *msg_handle); void (*clear_channel)(struct scmi_chan_info *cinfo); bool (*poll_done)(struct scmi_chan_info *cinfo, struct scmi_xfer *xfer); + void (*drop_message)(struct scmi_chan_info *cinfo, void *msg_handle); }; int scmi_protocol_device_request(const struct scmi_device_id *id_table); diff --git a/drivers/firmware/arm_scmi/driver.c b/drivers/firmware/arm_scmi/driver.c index cc27978b4bea..e04e7c8e6928 100644 --- a/drivers/firmware/arm_scmi/driver.c +++ b/drivers/firmware/arm_scmi/driver.c @@ -371,6 +371,7 @@ void scmi_rx_callback(struct scmi_chan_info *cinfo, u32 msg_hdr, { u16 xfer_id = MSG_XTRACT_TOKEN(msg_hdr); u8 msg_type = MSG_XTRACT_TYPE(msg_hdr); + struct scmi_info *info = handle_to_scmi_info(cinfo->handle); switch (msg_type) { case MSG_TYPE_NOTIFICATION: @@ -384,6 +385,9 @@ void scmi_rx_callback(struct scmi_chan_info *cinfo, u32 msg_hdr, WARN_ONCE(1, "received unknown msg_type:%d\n", msg_type); break; } + + if (info->desc->ops->drop_message) + info->desc->ops->drop_message(cinfo, msg_handle); } /** -- 2.25.1