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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2F52AC25B6B for ; Thu, 26 Oct 2023 08:04:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234431AbjJZIEV (ORCPT ); Thu, 26 Oct 2023 04:04:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39874 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229567AbjJZIEU (ORCPT ); Thu, 26 Oct 2023 04:04:20 -0400 Received: from mail-ej1-x635.google.com (mail-ej1-x635.google.com [IPv6:2a00:1450:4864:20::635]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0C3CB18D for ; Thu, 26 Oct 2023 01:04:16 -0700 (PDT) Received: by mail-ej1-x635.google.com with SMTP id a640c23a62f3a-9b95622c620so99961466b.0 for ; Thu, 26 Oct 2023 01:04:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1698307454; x=1698912254; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=EbK71PpiWagt9UYz0JbsieBVbIawXnFxgcEDdqiAu9E=; b=N+JCDK3zjrIvVZwEs6CDIPcAuUKBYA3JIXP6OQ3mIGgZ1idBzqYBUs4IHcJLUw6x/Z aqnKDBAMGs5C1mhYaRrdKaezO6W1Ai7oicGOI4gU8qWCpLs5X5gpnjZGLFZN+OUND+57 Fecb7jJHwDvjhP1hgMIwSTb3A+tDtacbewlUEn7x6yIAIzA0O11TpOq2DdQmbksq0v1Q CCK7Qg2nH0Jr/96VwrPQhMCHycLV3F6R86UqybS5aqS8XOuGFeZKUErXsgZSrdCohmE7 zO9B81c0hPU7YaaI3ghN39mub59FKOUCdgTG6UMLa+t7+2DwUNmPIIYdSRkDgxn+Zjl8 giEA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1698307454; x=1698912254; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=EbK71PpiWagt9UYz0JbsieBVbIawXnFxgcEDdqiAu9E=; b=kC53QHhjME3LSzS72dPmLM9cyVx3M9XbATvqiHCU+rNXSmdANZeRCwCZqEqcvXaB4v WVAyNafBV9WRsocJAbqpGHXLAbrYQ9OPq/WlOm8ZIBaUDLLSak5aVGnAd+dHbz2+yv9R 6VUytTfanHClEON6Yghd6tUONC4KQCVim7cJRRZS/6nh6VXBZODV13+z+dHExt3Us7K7 JOfNYlO/FKMjSzn4m79HlHYBQg7TEnPTv6/wk1++Jd4NpsPRVxt0Bp9XEB95jltVjHoo 0uv9X4w6veBx3NeZ8GemBrKvF3FohaacrMqM0fPu4vdADc0XO0KksDnMjKMt+Q+lxNJo O27w== X-Gm-Message-State: AOJu0YxyRLohM3CN5AujriaZeec9JinSp/OQmzO5yj5sHKAF703Z7Krk YCr7sdjndiLXt3tiifKxXUc+Nn+9wAH2c3RsNFA= X-Google-Smtp-Source: AGHT+IGczQoc0VJUOpLp895odE4PrFBDTPh1GhOz4xYwJbIkxPSDMq7kjn98gv72AVIcNsPQUVgEKw== X-Received: by 2002:a17:907:703:b0:9b6:50cd:a222 with SMTP id xb3-20020a170907070300b009b650cda222mr14579263ejb.54.1698307453983; Thu, 26 Oct 2023 01:04:13 -0700 (PDT) Received: from rayden.urgonet (h-217-31-164-171.A175.priv.bahnhof.se. [217.31.164.171]) by smtp.gmail.com with ESMTPSA id a19-20020a1709065f9300b0099e12a49c8fsm11313448eju.173.2023.10.26.01.04.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 26 Oct 2023 01:04:13 -0700 (PDT) From: Jens Wiklander To: linux-kernel@vger.kernel.org, op-tee@lists.trustedfirmware.org Cc: Sumit Garg , Jerome Forissier , Sudeep Holla , Marc Bonnici , Olivier Deprez , Lorenzo Pieralisi , Jens Wiklander Subject: [PATCH 0/2] OP-TEE FF-A notifications Date: Thu, 26 Oct 2023 10:04:07 +0200 Message-Id: <20231026080409.4149616-1-jens.wiklander@linaro.org> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi all, This patchset adds support for using FF-A notifications as a delivery mechanism of asynchronous notifications from OP-TEE running in the secure world. Support for asynchronous notifications via the SMC ABI was added in [1], here we add the counterpart needed when using the the FF-A ABI. Support for FF-A notifications is added with [2] and this patch set is based on Sudeeps tree at [3]. [1] https://lore.kernel.org/lkml/20211103090255.998070-1-jens.wiklander@linaro.org/ [2] https://lore.kernel.org/linux-arm-kernel/20231005-ffa_v1-1_notif-v4-0-cddd3237809c@arm.com/ [3] https://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux.git/tag/?h=ffa-updates-6.7 commit bcefd1bf63b1 ("firmware: arm_ffa: Upgrade the driver version to v1.1") Thanks, Jens Jens Wiklander (2): optee: provide optee_do_bottom_half() as a common function optee: ffa_abi: add asynchronous notifications drivers/tee/optee/call.c | 31 ++++++++++- drivers/tee/optee/ffa_abi.c | 91 ++++++++++++++++++++++++++++++- drivers/tee/optee/optee_ffa.h | 28 ++++++++-- drivers/tee/optee/optee_private.h | 9 ++- drivers/tee/optee/smc_abi.c | 36 ++---------- 5 files changed, 153 insertions(+), 42 deletions(-) base-commit: bcefd1bf63b1ec9bb08067021cf47f0fad96f395 -- 2.34.1