From patchwork Tue Sep 15 14:20:22 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Elder X-Patchwork-Id: 9617 Return-Path: X-Original-To: parsemail@patchwork.libcamera.org Delivered-To: parsemail@patchwork.libcamera.org Received: from lancelot.ideasonboard.com (lancelot.ideasonboard.com [92.243.16.209]) by patchwork.libcamera.org (Postfix) with ESMTPS id 40B78BF01C for ; Tue, 15 Sep 2020 14:21:12 +0000 (UTC) Received: from lancelot.ideasonboard.com (localhost [IPv6:::1]) by lancelot.ideasonboard.com (Postfix) with ESMTP id 0E48362E30; Tue, 15 Sep 2020 16:21:12 +0200 (CEST) Authentication-Results: lancelot.ideasonboard.com; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="SduAagn7"; dkim-atps=neutral Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) by lancelot.ideasonboard.com (Postfix) with ESMTPS id B63C462E39 for ; Tue, 15 Sep 2020 16:21:09 +0200 (CEST) Received: from pyrite.rasen.tech (unknown [IPv6:2400:4051:61:600:2c71:1b79:d06d:5032]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 04FD2275; Tue, 15 Sep 2020 16:21:07 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1600179669; bh=Z/AHfzgfocuemZe2HFL9IogoH3u+3OGB2vD8GyYcFZo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=SduAagn7+sgA+aaYPQrvlPdcvgPa7PT/0J/WEP/ZUT9A9Uc595U3iztwfW3/oYVdP uA/SGXPCNpvOockZpaHqB41UPBveB/2xRuydgMGPkcJ8pGghyhSkLyZijRn9kvgOpw 1ysaKvB35Kk6UHUz0WJB3dFvnQpBCVzezNepE7aQ= From: Paul Elder To: libcamera-devel@lists.libcamera.org Date: Tue, 15 Sep 2020 23:20:22 +0900 Message-Id: <20200915142038.28757-8-paul.elder@ideasonboard.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200915142038.28757-1-paul.elder@ideasonboard.com> References: <20200915142038.28757-1-paul.elder@ideasonboard.com> MIME-Version: 1.0 Subject: [libcamera-devel] [PATCH 07/23] libcamera: Add IPAIPC X-BeenThere: libcamera-devel@lists.libcamera.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: libcamera-devel-bounces@lists.libcamera.org Sender: "libcamera-devel" Create a virtual IPAIPC class that models an IPC/RPC system. IPA proxies and proxy workers will call into the IPAIPC, rather than implementing the IPC themselves. Signed-off-by: Paul Elder --- include/libcamera/internal/ipa_ipc.h | 41 ++++++++++++++++++++++++++++ src/libcamera/ipa_ipc.cpp | 36 ++++++++++++++++++++++++ src/libcamera/meson.build | 1 + 3 files changed, 78 insertions(+) create mode 100644 include/libcamera/internal/ipa_ipc.h create mode 100644 src/libcamera/ipa_ipc.cpp diff --git a/include/libcamera/internal/ipa_ipc.h b/include/libcamera/internal/ipa_ipc.h new file mode 100644 index 00000000..34ca6eda --- /dev/null +++ b/include/libcamera/internal/ipa_ipc.h @@ -0,0 +1,41 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +/* + * Copyright (C) 2020, Google Inc. + * + * ipa_ipc.h - Image Processing Algorithm IPC module for IPA proxies + */ +#ifndef __LIBCAMERA_INTERNAL_IPA_IPC_H__ +#define __LIBCAMERA_INTERNAL_IPA_IPC_H__ + +#include + +namespace libcamera { + +class IPAIPC +{ +public: + IPAIPC([[maybe_unused]] const char *ipa_module_path, + [[maybe_unused]] const char *ipa_proxy_worker_path); + virtual ~IPAIPC(); + + bool isValid() const { return valid_; } + + virtual int sendSync(uint32_t cmd, + const std::vector &data_in, + const std::vector &fds_in, + std::vector *data_out = nullptr, + std::vector *fds_out = nullptr) = 0; + + virtual int sendAsync(uint32_t cmd, + const std::vector &data_in, + const std::vector &fds_in) = 0; + + Signal &, std::vector &> recvIPC; + +protected: + bool valid_; +}; + +} /* namespace libcamera */ + +#endif /* __LIBCAMERA_INTERNAL_IPA_IPC_H__ */ diff --git a/src/libcamera/ipa_ipc.cpp b/src/libcamera/ipa_ipc.cpp new file mode 100644 index 00000000..703ec0a0 --- /dev/null +++ b/src/libcamera/ipa_ipc.cpp @@ -0,0 +1,36 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +/* + * Copyright (C) 2020, Google Inc. + * + * ipa_ipc.cpp - Image Processing Algorithm IPC module for IPA proxies + */ + +#include + +#include "libcamera/internal/ipc_unixsocket.h" +#include "libcamera/internal/log.h" +#include "libcamera/internal/process.h" +#include "libcamera/internal/thread.h" + +#include +#include + +#include "libcamera/internal/ipa_ipc.h" + +namespace libcamera { + +LOG_DEFINE_CATEGORY(IPAIPC) + +IPAIPC::IPAIPC([[maybe_unused]] const char *ipa_module_path, + [[maybe_unused]] const char *ipa_proxy_worker_path) + : valid_(false) +{ +} + +IPAIPC::~IPAIPC() +{ +} + +// TODO documentation, obviously + +} /* namespace libcamera */ diff --git a/src/libcamera/meson.build b/src/libcamera/meson.build index 91710520..2e7c3b4d 100644 --- a/src/libcamera/meson.build +++ b/src/libcamera/meson.build @@ -24,6 +24,7 @@ libcamera_sources = files([ 'ipa_context_wrapper.cpp', 'ipa_controls.cpp', 'ipa_data_serializer.cpp', + 'ipa_ipc.cpp', 'ipa_interface.cpp', 'ipa_manager.cpp', 'ipa_module.cpp',