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[83.53.161.74]) by smtp.gmail.com with ESMTPSA id c4sm911793wme.27.2020.10.01.10.25.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 01 Oct 2020 10:25:25 -0700 (PDT) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH RESEND v2 01/16] pci: pass along the return value of dma_memory_rw Date: Thu, 1 Oct 2020 19:25:04 +0200 Message-Id: <20201001172519.1620782-2-philmd@redhat.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201001172519.1620782-1-philmd@redhat.com> References: <20201001172519.1620782-1-philmd@redhat.com> MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=philmd@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=216.205.24.124; envelope-from=philmd@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/01 04:25:37 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Paolo Bonzini Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Klaus Jensen Some might actually care about the return value of dma_memory_rw. So let us pass it along instead of ignoring it. There are no existing users of the return value, so this patch should be safe. Signed-off-by: Klaus Jensen Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Michael S. Tsirkin Acked-by: Keith Busch Message-Id: <20191011070141.188713-2-its@irrelevant.dk> Reviewed-by: Richard Henderson Reviewed-by: Li Qiang Reviewed-by: Edgar E. Iglesias Signed-off-by: Philippe Mathieu-Daudé --- include/hw/pci/pci.h | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h index 0a59a06b14..f19ffe6b4f 100644 --- a/include/hw/pci/pci.h +++ b/include/hw/pci/pci.h @@ -783,8 +783,7 @@ static inline AddressSpace *pci_get_address_space(PCIDevice *dev) static inline int pci_dma_rw(PCIDevice *dev, dma_addr_t addr, void *buf, dma_addr_t len, DMADirection dir) { - dma_memory_rw(pci_get_address_space(dev), addr, buf, len, dir); - return 0; + return dma_memory_rw(pci_get_address_space(dev), addr, buf, len, dir); } static inline int pci_dma_read(PCIDevice *dev, dma_addr_t addr, From patchwork Thu Oct 1 17:25:05 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= X-Patchwork-Id: 303897 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=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, 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 553F4C47423 for ; Thu, 1 Oct 2020 17:34:53 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E89632085B for ; Thu, 1 Oct 2020 17:34:52 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="Kry9AVeF" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E89632085B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:47420 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kO2Tk-0005jc-1b for qemu-devel@archiver.kernel.org; Thu, 01 Oct 2020 13:34:52 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:59498) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kO2Kw-0004Oc-Fb for qemu-devel@nongnu.org; Thu, 01 Oct 2020 13:25:49 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:48766) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kO2Kq-0004FD-O7 for qemu-devel@nongnu.org; Thu, 01 Oct 2020 13:25:45 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1601573139; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=D38Rl8stPDowIAHnj4YR4yXUaHyYT1kHxdVb7Vz4dLo=; b=Kry9AVeFboHb98lHfqocXeg1Vx3qRNDk4mKUGAauEUDIehwhlWN9ZE54ObD3TdIZN5O2wR uENJBeAwlA9snv0KF5f9aWDjk1FB3ze0LLCHzdE3K4VLRZzeDkfsqbdYWmPGt1h9bCoAqz 1POcgFLrhgA2NMANLBfhtV3UtrycudM= Received: from mail-wr1-f69.google.com (mail-wr1-f69.google.com [209.85.221.69]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-525-J6nLmgWyMUu4a7JhvsMGmQ-1; Thu, 01 Oct 2020 13:25:33 -0400 X-MC-Unique: J6nLmgWyMUu4a7JhvsMGmQ-1 Received: by mail-wr1-f69.google.com with SMTP id a10so2290068wrw.22 for ; Thu, 01 Oct 2020 10:25:32 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=D38Rl8stPDowIAHnj4YR4yXUaHyYT1kHxdVb7Vz4dLo=; b=f/K2yyxT8uX9w2q01c2EKgJwvS6i9Kegl+HbRporI5dEFu1FrmMBN/l8499VKba1pj vPiKtogYwvhRRnN+Bhft5Qiksq5yyge6T98LXr7pfxx89oQWhQykfSxnNLNMOnBBHGRj y3Kf1YYhoBfKh8MvckpjDmiD8J/91dfxJqDceDWF/FTf7+DbtJwHILKtm3BeOa/Nnurp eDy8Ofk0Og1mfjillbKNecuS3k1uNtyP/YyRZkTAU90PZt7NTy+PPxqW2B5DPjF3Nnbc 3pTFvBRFbe6nWwippPAljg/mdqtsHhKftcIYPETSXlu1+N0e2ug47evQWdGa6GyDqqtg /cNw== X-Gm-Message-State: AOAM533+ge07l6KfVD80q3h6S3IbxIEHIZnH26jc0nySWXGZTuokbJ1M lBRGF1936XNg8fF7Mx3P/LOVmnv+jAApx0DfX3kuWVBZCZ0bSitIqXkMfY1RWGouqPELCsfIcsT h4qMh7y9fwxejgM4= X-Received: by 2002:adf:f80a:: with SMTP id s10mr10826933wrp.351.1601573131718; Thu, 01 Oct 2020 10:25:31 -0700 (PDT) X-Google-Smtp-Source: ABdhPJz5u1Y98czRZyz399fxOS74PBTWqTEND2+WAOqwJU68kXF1PABB8dUoiALGfqLUPtLwxKerGA== X-Received: by 2002:adf:f80a:: with SMTP id s10mr10826918wrp.351.1601573131504; Thu, 01 Oct 2020 10:25:31 -0700 (PDT) Received: from x1w.redhat.com (74.red-83-53-161.dynamicip.rima-tde.net. [83.53.161.74]) by smtp.gmail.com with ESMTPSA id e19sm2388302wme.2.2020.10.01.10.25.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 01 Oct 2020 10:25:30 -0700 (PDT) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH RESEND v2 02/16] docs/devel/loads-stores: Add regexp for DMA functions Date: Thu, 1 Oct 2020 19:25:05 +0200 Message-Id: <20201001172519.1620782-3-philmd@redhat.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201001172519.1620782-1-philmd@redhat.com> References: <20201001172519.1620782-1-philmd@redhat.com> MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=philmd@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=216.205.24.124; envelope-from=philmd@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/01 04:25:37 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Paolo Bonzini Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Reviewed-by: Richard Henderson Reviewed-by: Edgar E. Iglesias Signed-off-by: Philippe Mathieu-Daudé --- docs/devel/loads-stores.rst | 2 ++ 1 file changed, 2 insertions(+) diff --git a/docs/devel/loads-stores.rst b/docs/devel/loads-stores.rst index 9a944ef1af..5b20f907e4 100644 --- a/docs/devel/loads-stores.rst +++ b/docs/devel/loads-stores.rst @@ -477,6 +477,8 @@ make sure our existing code is doing things correctly. Regexes for git grep - ``\`` + - ``\`` + - ``\`` ``pci_dma_*`` and ``{ld,st}*_pci_dma`` ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ From patchwork Thu Oct 1 17:25:06 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= X-Patchwork-Id: 272267 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=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, 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 60E96C4741F for ; Thu, 1 Oct 2020 17:37:48 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C6C872054F for ; Thu, 1 Oct 2020 17:37:47 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="fNKHYX3K" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C6C872054F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:55524 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kO2WY-0000rw-Mo for qemu-devel@archiver.kernel.org; Thu, 01 Oct 2020 13:37:46 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:59534) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kO2Kz-0004PJ-Ua for qemu-devel@nongnu.org; Thu, 01 Oct 2020 13:25:50 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:52114) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kO2Ks-0004Fb-Rr for qemu-devel@nongnu.org; Thu, 01 Oct 2020 13:25:49 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1601573142; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=pWyri9vRLYeVqvreYWHFron9sHPrhWm4LYtp0EVZkVA=; b=fNKHYX3KOc5oayNXOrUSxD/571FgVmkFXlVO2goooloDoGu18vhvjcQVIPl3YdvpFTMbCb Vk8b6AisSaomF/dPepECqNkLR1Yef60Iv0Vuqq8CprYg3hcs+O7jmQLk5FbEJntORi92L5 YrVwEnJaGTJw0KfX5VKqbzTHxCIeWq4= Received: from mail-wr1-f69.google.com (mail-wr1-f69.google.com [209.85.221.69]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-543-a1tF0qtONrmhPuzCsNS9OQ-1; Thu, 01 Oct 2020 13:25:40 -0400 X-MC-Unique: a1tF0qtONrmhPuzCsNS9OQ-1 Received: by mail-wr1-f69.google.com with SMTP id y3so2319987wrl.21 for ; Thu, 01 Oct 2020 10:25:40 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=pWyri9vRLYeVqvreYWHFron9sHPrhWm4LYtp0EVZkVA=; b=lQBW81T4Y1I8OrQH1KcoifghpYxjRWoxZpf+R7VEpmpUdEB4G3G55MKHHJ5XkhpA0V ZbkXW4inwateVwO659IBQ6j2BbTA7kys89Ayqy9Zwe8B19qZ2Cy1UeKosZzd7IKSCAkS d3Ql56Icq27RXkVHBio5caFvWiJB/KhrmHbFpZf5+Wz1Rrjq8TWR4K3rqES3Qu7NeEFf vz6y1AB2bnZjo5tawLelShj7physqiUQe/ticDpRaEk/gX4wBYWvhJvoGpT4ygXSIMhY uGME7HpyOn0ac0LGog6BEGmvOGgwqunxD2UTyhARGkatpZ15/XbbkBNsDkQfVmJUVtlf FQAQ== X-Gm-Message-State: AOAM531G6mZCvKgNuxF13lMI/0+goQEgP6346ev5N6EN6p69W37gpquM QhLZlRCmJhVerXIe2oOaJPciLlQ1am4BkznuMv7565owa245Y/SI2fiEcmhE2a47fJwW3Pvd7k5 VgqQ2bLVhsKrB+D8= X-Received: by 2002:a1c:7d55:: with SMTP id y82mr1098819wmc.100.1601573136396; Thu, 01 Oct 2020 10:25:36 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzgsQMLP8oKgBuvYpoK/ukXPuEKW1rtgM9KCvEL+VHK3idIPhPT4YLEHb2KfaY2WirmsjiRqw== X-Received: by 2002:a1c:7d55:: with SMTP id y82mr1098811wmc.100.1601573136206; Thu, 01 Oct 2020 10:25:36 -0700 (PDT) Received: from x1w.redhat.com (74.red-83-53-161.dynamicip.rima-tde.net. [83.53.161.74]) by smtp.gmail.com with ESMTPSA id a3sm740469wmb.46.2020.10.01.10.25.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 01 Oct 2020 10:25:35 -0700 (PDT) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH RESEND v2 03/16] dma: Document address_space_map/address_space_unmap() prototypes Date: Thu, 1 Oct 2020 19:25:06 +0200 Message-Id: <20201001172519.1620782-4-philmd@redhat.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201001172519.1620782-1-philmd@redhat.com> References: <20201001172519.1620782-1-philmd@redhat.com> MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=philmd@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=216.205.24.124; envelope-from=philmd@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/01 04:25:37 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Paolo Bonzini Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Add documentation based on address_space_map / address_space_unmap. Reviewed-by: Richard Henderson Reviewed-by: Edgar E. Iglesias Signed-off-by: Philippe Mathieu-Daudé --- include/sysemu/dma.h | 29 ++++++++++++++++++++++++++++- 1 file changed, 28 insertions(+), 1 deletion(-) diff --git a/include/sysemu/dma.h b/include/sysemu/dma.h index 80c5bc3e02..c6e12b4c24 100644 --- a/include/sysemu/dma.h +++ b/include/sysemu/dma.h @@ -1,7 +1,7 @@ /* * DMA helper functions * - * Copyright (c) 2009 Red Hat + * Copyright (c) 2009, 2020 Red Hat * * This work is licensed under the terms of the GNU General Public License * (GNU GPL), version 2 or later. @@ -125,6 +125,19 @@ static inline int dma_memory_write(AddressSpace *as, dma_addr_t addr, int dma_memory_set(AddressSpace *as, dma_addr_t addr, uint8_t c, dma_addr_t len); +/** + * address_space_map: Map a physical memory region into a host virtual address. + * + * May map a subset of the requested range, given by and returned in @plen. + * May return %NULL and set *@plen to zero(0), if resources needed to perform + * the mapping are exhausted. + * Use only for reads OR writes - not for read-modify-write operations. + * + * @as: #AddressSpace to be accessed + * @addr: address within that address space + * @len: pointer to length of buffer; updated on return + * @dir: indicates the transfer direction + */ static inline void *dma_memory_map(AddressSpace *as, dma_addr_t addr, dma_addr_t *len, DMADirection dir) @@ -138,6 +151,20 @@ static inline void *dma_memory_map(AddressSpace *as, return p; } +/** + * address_space_unmap: Unmaps a memory region previously mapped + * by dma_memory_map() + * + * Will also mark the memory as dirty if @dir == %DMA_DIRECTION_FROM_DEVICE. + * @access_len gives the amount of memory that was actually read or written + * by the caller. + * + * @as: #AddressSpace used + * @buffer: host pointer as returned by address_space_map() + * @len: buffer length as returned by address_space_map() + * @dir: indicates the transfer direction + * @access_len: amount of data actually transferred + */ static inline void dma_memory_unmap(AddressSpace *as, void *buffer, dma_addr_t len, DMADirection dir, dma_addr_t access_len) From patchwork Thu Oct 1 17:25:07 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= X-Patchwork-Id: 272269 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=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, 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 60E91C47423 for ; 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[83.53.161.74]) by smtp.gmail.com with ESMTPSA id b64sm945627wmh.13.2020.10.01.10.25.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 01 Oct 2020 10:25:40 -0700 (PDT) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH RESEND v2 04/16] dma: Let dma_memory_set() propagate MemTxResult Date: Thu, 1 Oct 2020 19:25:07 +0200 Message-Id: <20201001172519.1620782-5-philmd@redhat.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201001172519.1620782-1-philmd@redhat.com> References: <20201001172519.1620782-1-philmd@redhat.com> MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=philmd@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=216.205.24.124; envelope-from=philmd@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/01 04:25:37 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Paolo Bonzini Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" address_space_write() returns a MemTxResult type. Do not discard it, return it to the caller. Reviewed-by: Richard Henderson Reviewed-by: Li Qiang Reviewed-by: Edgar E. Iglesias Signed-off-by: Philippe Mathieu-Daudé --- include/sysemu/dma.h | 15 ++++++++++++++- dma-helpers.c | 7 ++++--- 2 files changed, 18 insertions(+), 4 deletions(-) diff --git a/include/sysemu/dma.h b/include/sysemu/dma.h index c6e12b4c24..37cd9f1121 100644 --- a/include/sysemu/dma.h +++ b/include/sysemu/dma.h @@ -123,7 +123,20 @@ static inline int dma_memory_write(AddressSpace *as, dma_addr_t addr, DMA_DIRECTION_FROM_DEVICE); } -int dma_memory_set(AddressSpace *as, dma_addr_t addr, uint8_t c, dma_addr_t len); +/** + * dma_memory_set: Fill memory with a constant byte from DMA controller. + * + * Return a MemTxResult indicating whether the operation succeeded + * or failed (eg unassigned memory, device rejected the transaction, + * IOMMU fault). + * + * @as: #AddressSpace to be accessed + * @addr: address within that address space + * @c: constant byte to fill the memory + * @len: the number of bytes to fill with the constant byte + */ +MemTxResult dma_memory_set(AddressSpace *as, dma_addr_t addr, + uint8_t c, dma_addr_t len); /** * address_space_map: Map a physical memory region into a host virtual address. diff --git a/dma-helpers.c b/dma-helpers.c index 41ef24a63b..4a9e37d6d0 100644 --- a/dma-helpers.c +++ b/dma-helpers.c @@ -1,7 +1,7 @@ /* * DMA helper functions * - * Copyright (c) 2009 Red Hat + * Copyright (c) 2009,2020 Red Hat * * This work is licensed under the terms of the GNU General Public License * (GNU GPL), version 2 or later. @@ -18,14 +18,15 @@ /* #define DEBUG_IOMMU */ -int dma_memory_set(AddressSpace *as, dma_addr_t addr, uint8_t c, dma_addr_t len) +MemTxResult dma_memory_set(AddressSpace *as, dma_addr_t addr, + uint8_t c, dma_addr_t len) { dma_barrier(as, DMA_DIRECTION_FROM_DEVICE); #define FILLBUF_SIZE 512 uint8_t fillbuf[FILLBUF_SIZE]; int l; - bool error = false; + MemTxResult error = MEMTX_OK; memset(fillbuf, c, FILLBUF_SIZE); while (len > 0) { From patchwork Thu Oct 1 17:25:08 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= X-Patchwork-Id: 272268 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=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, 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 CC32AC4727E for ; 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[83.53.161.74]) by smtp.gmail.com with ESMTPSA id t202sm964651wmt.14.2020.10.01.10.25.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 01 Oct 2020 10:25:45 -0700 (PDT) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH RESEND v2 05/16] dma: Let dma_memory_rw() propagate MemTxResult Date: Thu, 1 Oct 2020 19:25:08 +0200 Message-Id: <20201001172519.1620782-6-philmd@redhat.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201001172519.1620782-1-philmd@redhat.com> References: <20201001172519.1620782-1-philmd@redhat.com> MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=philmd@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=63.128.21.124; envelope-from=philmd@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/01 02:15:30 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Paolo Bonzini Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" address_space_rw() returns a MemTxResult type. Do not discard it, return it to the caller. Reviewed-by: Richard Henderson Reviewed-by: Li Qiang Reviewed-by: Edgar E. Iglesias Signed-off-by: Philippe Mathieu-Daudé --- include/sysemu/dma.h | 30 ++++++++++++++++++++++-------- 1 file changed, 22 insertions(+), 8 deletions(-) diff --git a/include/sysemu/dma.h b/include/sysemu/dma.h index 37cd9f1121..04687d8825 100644 --- a/include/sysemu/dma.h +++ b/include/sysemu/dma.h @@ -80,12 +80,13 @@ static inline bool dma_memory_valid(AddressSpace *as, MEMTXATTRS_UNSPECIFIED); } -static inline int dma_memory_rw_relaxed(AddressSpace *as, dma_addr_t addr, - void *buf, dma_addr_t len, - DMADirection dir) +static inline MemTxResult dma_memory_rw_relaxed(AddressSpace *as, + dma_addr_t addr, + void *buf, dma_addr_t len, + DMADirection dir) { - return (bool)address_space_rw(as, addr, MEMTXATTRS_UNSPECIFIED, - buf, len, dir == DMA_DIRECTION_FROM_DEVICE); + return address_space_rw(as, addr, MEMTXATTRS_UNSPECIFIED, + buf, len, dir == DMA_DIRECTION_FROM_DEVICE); } static inline int dma_memory_read_relaxed(AddressSpace *as, dma_addr_t addr, @@ -101,9 +102,22 @@ static inline int dma_memory_write_relaxed(AddressSpace *as, dma_addr_t addr, DMA_DIRECTION_FROM_DEVICE); } -static inline int dma_memory_rw(AddressSpace *as, dma_addr_t addr, - void *buf, dma_addr_t len, - DMADirection dir) +/** + * dma_memory_rw: Read from or write to an address space from DMA controller. + * + * Return a MemTxResult indicating whether the operation succeeded + * or failed (eg unassigned memory, device rejected the transaction, + * IOMMU fault). + * + * @as: #AddressSpace to be accessed + * @addr: address within that address space + * @buf: buffer with the data transferred + * @len: the number of bytes to read or write + * @dir: indicates the transfer direction + */ +static inline MemTxResult dma_memory_rw(AddressSpace *as, dma_addr_t addr, + void *buf, dma_addr_t len, + DMADirection dir) { dma_barrier(as, dir); From patchwork Thu Oct 1 17:25:09 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= X-Patchwork-Id: 303895 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=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, 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 A21B4C4727E for ; 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[83.53.161.74]) by smtp.gmail.com with ESMTPSA id a13sm853119wme.26.2020.10.01.10.25.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 01 Oct 2020 10:25:50 -0700 (PDT) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH RESEND v2 06/16] dma: Let dma_memory_read() propagate MemTxResult Date: Thu, 1 Oct 2020 19:25:09 +0200 Message-Id: <20201001172519.1620782-7-philmd@redhat.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201001172519.1620782-1-philmd@redhat.com> References: <20201001172519.1620782-1-philmd@redhat.com> MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=philmd@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=216.205.24.124; envelope-from=philmd@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/01 04:25:37 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Paolo Bonzini Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" dma_memory_rw_relaxed() returns a MemTxResult type. Do not discard it, return it to the caller. Reviewed-by: Richard Henderson Reviewed-by: Li Qiang Reviewed-by: Edgar E. Iglesias Signed-off-by: Philippe Mathieu-Daudé --- include/sysemu/dma.h | 21 +++++++++++++++++---- 1 file changed, 17 insertions(+), 4 deletions(-) diff --git a/include/sysemu/dma.h b/include/sysemu/dma.h index 04687d8825..df170047eb 100644 --- a/include/sysemu/dma.h +++ b/include/sysemu/dma.h @@ -89,8 +89,9 @@ static inline MemTxResult dma_memory_rw_relaxed(AddressSpace *as, buf, len, dir == DMA_DIRECTION_FROM_DEVICE); } -static inline int dma_memory_read_relaxed(AddressSpace *as, dma_addr_t addr, - void *buf, dma_addr_t len) +static inline MemTxResult dma_memory_read_relaxed(AddressSpace *as, + dma_addr_t addr, + void *buf, dma_addr_t len) { return dma_memory_rw_relaxed(as, addr, buf, len, DMA_DIRECTION_TO_DEVICE); } @@ -124,8 +125,20 @@ static inline MemTxResult dma_memory_rw(AddressSpace *as, dma_addr_t addr, return dma_memory_rw_relaxed(as, addr, buf, len, dir); } -static inline int dma_memory_read(AddressSpace *as, dma_addr_t addr, - void *buf, dma_addr_t len) +/** + * dma_memory_read: Read from an address space from DMA controller. + * + * Return a MemTxResult indicating whether the operation succeeded + * or failed (eg unassigned memory, device rejected the transaction, + * IOMMU fault). Called within RCU critical section. + * + * @as: #AddressSpace to be accessed + * @addr: address within that address space + * @buf: buffer with the data transferred + * @len: length of the data transferred + */ +static inline MemTxResult dma_memory_read(AddressSpace *as, dma_addr_t addr, + void *buf, dma_addr_t len) { return dma_memory_rw(as, addr, buf, len, DMA_DIRECTION_TO_DEVICE); } From patchwork Thu Oct 1 17:25:10 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= X-Patchwork-Id: 303894 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=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, 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 72D1FC4727E for ; Thu, 1 Oct 2020 17:41:20 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id F148F2054F for ; Thu, 1 Oct 2020 17:41:19 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="XzgEuls+" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org F148F2054F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:37158 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kO2Zy-0005A8-VF for qemu-devel@archiver.kernel.org; Thu, 01 Oct 2020 13:41:18 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:59632) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kO2LD-0004Vj-M6 for qemu-devel@nongnu.org; Thu, 01 Oct 2020 13:26:07 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:51448) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kO2LB-0004M6-Um for qemu-devel@nongnu.org; Thu, 01 Oct 2020 13:26:03 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1601573161; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=14wd1LoJqDrIDTmO66J1bZUDTtxJuvJH1RTglxmFjpE=; b=XzgEuls+D9dnQjGNZKbWx1QKvvo1m9jIzBVLfOVjYg7Q01tcoAKOgadep/vA/mxBsEwl2F 0LAwAShdx8k7TbZNjSTnmqE3nj6GIiv2zNpTpw9AcVtFpgkHiiT3lOQugc0lZxAufm3KPE xNemtAMTZ+z813juGYl1rTNxcK4tNYI= Received: from mail-wr1-f72.google.com (mail-wr1-f72.google.com [209.85.221.72]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-541-YojxBvhiPt6xasGQP5G9eg-1; Thu, 01 Oct 2020 13:25:57 -0400 X-MC-Unique: YojxBvhiPt6xasGQP5G9eg-1 Received: by mail-wr1-f72.google.com with SMTP id l15so2329443wro.10 for ; Thu, 01 Oct 2020 10:25:57 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=14wd1LoJqDrIDTmO66J1bZUDTtxJuvJH1RTglxmFjpE=; b=L6mS9XmRVHCsrQNu56xNsJvv3cmqI6X8XpfhZlyDuiCCitbMFJ6B+WJ8jSry6o6Lgi 8y0lvjd/j6xJykrF4LQbpM77P8uUiZgVpDzYJJf82pkonpTgV8BZPal/iHvDWyHMCI61 3aTFpwRhosLCHTmLrysaGeFmZ1MbvXtuImcmFFCSdcfKS1Hi5SwnXaXjHt20vf1nU0/Y 7uVNEiIHf/2pFozRl2/Dyz3ODlxKNcWP78GUaugjpjjR+2OLT/YSKfFN9kynWFz0JJfT rN6XrcrpdKmR5tV9Wg6dYEKX0lUeo9tu3H40pJGs4R42mEU98VXu3bxeJs682B/baDgZ j+fg== X-Gm-Message-State: AOAM531l5LAgFsiMFJipCMeuqtzwZQa9L9QoUbMkP9mVdZe2S5GDlFX+ 1qOVt1MUutt2g2W9TV0Mp4K3aIN6jFfx/GNs7M4Ja3wEMhP4dED4PAeh6zU5mlrpkX0FEj5nle8 4WOpsCscmlUKXeJ8= X-Received: by 2002:a1c:4d12:: with SMTP id o18mr1114870wmh.177.1601573156387; Thu, 01 Oct 2020 10:25:56 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzzTp+6eot3LZUdkaA24Hp014HJhDuGOas8MQ2FtVbQRG69xK2oop5m0br/4ML+XHsvN0Q5jw== X-Received: by 2002:a1c:4d12:: with SMTP id o18mr1114857wmh.177.1601573156212; Thu, 01 Oct 2020 10:25:56 -0700 (PDT) Received: from x1w.redhat.com (74.red-83-53-161.dynamicip.rima-tde.net. [83.53.161.74]) by smtp.gmail.com with ESMTPSA id n2sm977308wma.29.2020.10.01.10.25.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 01 Oct 2020 10:25:55 -0700 (PDT) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH RESEND v2 07/16] dma: Let dma_memory_write() propagate MemTxResult Date: Thu, 1 Oct 2020 19:25:10 +0200 Message-Id: <20201001172519.1620782-8-philmd@redhat.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201001172519.1620782-1-philmd@redhat.com> References: <20201001172519.1620782-1-philmd@redhat.com> MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=philmd@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=216.205.24.124; envelope-from=philmd@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/01 04:25:37 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Paolo Bonzini Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" dma_memory_rw_relaxed() returns a MemTxResult type. Do not discard it, return it to the caller. Reviewed-by: Richard Henderson Reviewed-by: Li Qiang Reviewed-by: Edgar E. Iglesias Signed-off-by: Philippe Mathieu-Daudé --- include/sysemu/dma.h | 22 ++++++++++++++++++---- 1 file changed, 18 insertions(+), 4 deletions(-) diff --git a/include/sysemu/dma.h b/include/sysemu/dma.h index df170047eb..a052f7bca3 100644 --- a/include/sysemu/dma.h +++ b/include/sysemu/dma.h @@ -96,8 +96,10 @@ static inline MemTxResult dma_memory_read_relaxed(AddressSpace *as, return dma_memory_rw_relaxed(as, addr, buf, len, DMA_DIRECTION_TO_DEVICE); } -static inline int dma_memory_write_relaxed(AddressSpace *as, dma_addr_t addr, - const void *buf, dma_addr_t len) +static inline MemTxResult dma_memory_write_relaxed(AddressSpace *as, + dma_addr_t addr, + const void *buf, + dma_addr_t len) { return dma_memory_rw_relaxed(as, addr, (void *)buf, len, DMA_DIRECTION_FROM_DEVICE); @@ -143,8 +145,20 @@ static inline MemTxResult dma_memory_read(AddressSpace *as, dma_addr_t addr, return dma_memory_rw(as, addr, buf, len, DMA_DIRECTION_TO_DEVICE); } -static inline int dma_memory_write(AddressSpace *as, dma_addr_t addr, - const void *buf, dma_addr_t len) +/** + * address_space_write: Write to address space from DMA controller. + * + * Return a MemTxResult indicating whether the operation succeeded + * or failed (eg unassigned memory, device rejected the transaction, + * IOMMU fault). + * + * @as: #AddressSpace to be accessed + * @addr: address within that address space + * @buf: buffer with the data transferred + * @len: the number of bytes to write + */ +static inline MemTxResult dma_memory_write(AddressSpace *as, dma_addr_t addr, + const void *buf, dma_addr_t len) { return dma_memory_rw(as, addr, (void *)buf, len, DMA_DIRECTION_FROM_DEVICE); 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[83.53.161.74]) by smtp.gmail.com with ESMTPSA id 63sm10732704wrh.71.2020.10.01.10.26.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 01 Oct 2020 10:26:00 -0700 (PDT) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH RESEND v2 08/16] dma: Let dma_memory_valid() take MemTxAttrs argument Date: Thu, 1 Oct 2020 19:25:11 +0200 Message-Id: <20201001172519.1620782-9-philmd@redhat.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201001172519.1620782-1-philmd@redhat.com> References: <20201001172519.1620782-1-philmd@redhat.com> MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=philmd@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=63.128.21.124; envelope-from=philmd@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/01 02:15:30 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Paolo Bonzini Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Let devices specify transaction attributes when calling dma_memory_valid(). Reviewed-by: Richard Henderson Reviewed-by: Li Qiang Reviewed-by: Edgar E. Iglesias Signed-off-by: Philippe Mathieu-Daudé --- include/hw/ppc/spapr_vio.h | 2 +- include/sysemu/dma.h | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/include/hw/ppc/spapr_vio.h b/include/hw/ppc/spapr_vio.h index 356751e2d7..ed28db6604 100644 --- a/include/hw/ppc/spapr_vio.h +++ b/include/hw/ppc/spapr_vio.h @@ -91,7 +91,7 @@ static inline void spapr_vio_irq_pulse(SpaprVioDevice *dev) static inline bool spapr_vio_dma_valid(SpaprVioDevice *dev, uint64_t taddr, uint32_t size, DMADirection dir) { - return dma_memory_valid(&dev->as, taddr, size, dir); + return dma_memory_valid(&dev->as, taddr, size, dir, MEMTXATTRS_UNSPECIFIED); } static inline int spapr_vio_dma_read(SpaprVioDevice *dev, uint64_t taddr, diff --git a/include/sysemu/dma.h b/include/sysemu/dma.h index a052f7bca3..a5cd7a98ff 100644 --- a/include/sysemu/dma.h +++ b/include/sysemu/dma.h @@ -73,11 +73,11 @@ static inline void dma_barrier(AddressSpace *as, DMADirection dir) * dma_memory_{read,write}() and check for errors */ static inline bool dma_memory_valid(AddressSpace *as, dma_addr_t addr, dma_addr_t len, - DMADirection dir) + DMADirection dir, MemTxAttrs attrs) { return address_space_access_valid(as, addr, len, dir == DMA_DIRECTION_FROM_DEVICE, - MEMTXATTRS_UNSPECIFIED); + attrs); } static inline MemTxResult dma_memory_rw_relaxed(AddressSpace *as, From patchwork Thu Oct 1 17:25:12 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= X-Patchwork-Id: 272264 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=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, 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 018A9C4727E for ; Thu, 1 Oct 2020 17:49:06 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 73D8520759 for ; 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[83.53.161.74]) by smtp.gmail.com with ESMTPSA id u66sm845421wmg.44.2020.10.01.10.26.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 01 Oct 2020 10:26:05 -0700 (PDT) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH RESEND v2 09/16] dma: Let dma_memory_set() take MemTxAttrs argument Date: Thu, 1 Oct 2020 19:25:12 +0200 Message-Id: <20201001172519.1620782-10-philmd@redhat.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201001172519.1620782-1-philmd@redhat.com> References: <20201001172519.1620782-1-philmd@redhat.com> MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=philmd@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=63.128.21.124; envelope-from=philmd@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/01 02:15:30 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Paolo Bonzini Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Let devices specify transaction attributes when calling dma_memory_set(). Reviewed-by: Richard Henderson Reviewed-by: Li Qiang Reviewed-by: Edgar E. Iglesias Signed-off-by: Philippe Mathieu-Daudé --- include/hw/ppc/spapr_vio.h | 3 ++- include/sysemu/dma.h | 3 ++- dma-helpers.c | 5 ++--- hw/nvram/fw_cfg.c | 3 ++- 4 files changed, 8 insertions(+), 6 deletions(-) diff --git a/include/hw/ppc/spapr_vio.h b/include/hw/ppc/spapr_vio.h index ed28db6604..a8d6c55953 100644 --- a/include/hw/ppc/spapr_vio.h +++ b/include/hw/ppc/spapr_vio.h @@ -111,7 +111,8 @@ static inline int spapr_vio_dma_write(SpaprVioDevice *dev, uint64_t taddr, static inline int spapr_vio_dma_set(SpaprVioDevice *dev, uint64_t taddr, uint8_t c, uint32_t size) { - return (dma_memory_set(&dev->as, taddr, c, size) != 0) ? + return (dma_memory_set(&dev->as, taddr, + c, size, MEMTXATTRS_UNSPECIFIED) != 0) ? H_DEST_PARM : H_SUCCESS; } diff --git a/include/sysemu/dma.h b/include/sysemu/dma.h index a5cd7a98ff..608393d1b6 100644 --- a/include/sysemu/dma.h +++ b/include/sysemu/dma.h @@ -175,9 +175,10 @@ static inline MemTxResult dma_memory_write(AddressSpace *as, dma_addr_t addr, * @addr: address within that address space * @c: constant byte to fill the memory * @len: the number of bytes to fill with the constant byte + * @attrs: memory transaction attributes */ MemTxResult dma_memory_set(AddressSpace *as, dma_addr_t addr, - uint8_t c, dma_addr_t len); + uint8_t c, dma_addr_t len, MemTxAttrs attrs); /** * address_space_map: Map a physical memory region into a host virtual address. diff --git a/dma-helpers.c b/dma-helpers.c index 4a9e37d6d0..6a9735386d 100644 --- a/dma-helpers.c +++ b/dma-helpers.c @@ -19,7 +19,7 @@ /* #define DEBUG_IOMMU */ MemTxResult dma_memory_set(AddressSpace *as, dma_addr_t addr, - uint8_t c, dma_addr_t len) + uint8_t c, dma_addr_t len, MemTxAttrs attrs) { dma_barrier(as, DMA_DIRECTION_FROM_DEVICE); @@ -31,8 +31,7 @@ MemTxResult dma_memory_set(AddressSpace *as, dma_addr_t addr, memset(fillbuf, c, FILLBUF_SIZE); while (len > 0) { l = len < FILLBUF_SIZE ? len : FILLBUF_SIZE; - error |= address_space_write(as, addr, MEMTXATTRS_UNSPECIFIED, - fillbuf, l); + error |= address_space_write(as, addr, attrs, fillbuf, l); len -= l; addr += l; } diff --git a/hw/nvram/fw_cfg.c b/hw/nvram/fw_cfg.c index 0e95d057fd..b10e05f527 100644 --- a/hw/nvram/fw_cfg.c +++ b/hw/nvram/fw_cfg.c @@ -397,7 +397,8 @@ static void fw_cfg_dma_transfer(FWCfgState *s) * tested before. */ if (read) { - if (dma_memory_set(s->dma_as, dma.address, 0, len)) { + if (dma_memory_set(s->dma_as, dma.address, 0, len, + MEMTXATTRS_UNSPECIFIED)) { dma.control |= FW_CFG_DMA_CTL_ERROR; } } From patchwork Thu Oct 1 17:25:13 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= X-Patchwork-Id: 303891 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=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, 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 06171C47425 for ; Thu, 1 Oct 2020 17:50:41 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 9E63A20759 for ; Thu, 1 Oct 2020 17:50:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="HgI3hdhc" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9E63A20759 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:33786 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kO2j1-0007aY-P0 for qemu-devel@archiver.kernel.org; Thu, 01 Oct 2020 13:50:39 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:59842) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kO2LT-0004Zf-5l for qemu-devel@nongnu.org; Thu, 01 Oct 2020 13:26:19 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:20274) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kO2LP-0004OV-La for qemu-devel@nongnu.org; Thu, 01 Oct 2020 13:26:18 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1601573173; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=DE77vjLAXxwClEJ7RgdDUv8monpyieaGAVYLnjVrC+s=; b=HgI3hdhcro8NhEl3oePn3WfOTX3MzjM5zRm8LuvG2L4yyC32QcdmiGmeMtQwiCiDxyYHOU a4hDUen+quzH5rEeY5afLaNEJyrW0X7Sz08HIsVT7a0SMzAQTeU+eu3xsWlKqJpg6duE5u UHlDL0Nc0z7TxFdPki/JvhOvC7p51lo= Received: from mail-wr1-f69.google.com (mail-wr1-f69.google.com [209.85.221.69]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-173-NhoCJ8QSPpmZR0tVHfyZ9A-1; Thu, 01 Oct 2020 13:26:12 -0400 X-MC-Unique: NhoCJ8QSPpmZR0tVHfyZ9A-1 Received: by mail-wr1-f69.google.com with SMTP id v5so2298874wrs.17 for ; Thu, 01 Oct 2020 10:26:11 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=DE77vjLAXxwClEJ7RgdDUv8monpyieaGAVYLnjVrC+s=; b=hnfkBXIniQxYBzne6kNE6oxxMnXiiN6K3DlvCPbFOEJTIN3XfWdJfqwbG25kUCxCj6 AwrJ/mPLxka4InQmRHgiJkFRBFWSQJO4q4/tBl+2zXAy7e7mD+QYr+K2BMIZ76fyWpVD GCiPgkJimaiYwvZG8wViK9eJ4nEzzWOFxNd3wDWbnA3EHo9xKVpKIlUlFi03dO4hP+hW Yh4G9V7xjbKLeFzFLvIQttHmUZsNXu08twPJeZp63Ucspc+GWNV77w68SZIDyHj73tAG 0nD+Y7ahVfEG6/IBbkJscn3r1Yi3TK74xiq2P33kJBf25NRipnwF9lVpYH7OJie39nS6 UmZw== X-Gm-Message-State: AOAM533S1UCF7tq7feMjjbFrvegx2UIR3MgXzcOXzP9+J86qB/19e6Jv maIRQJ9wfA4radpGNEjE7QU5mTKDQYviZlt7siykffX+5+tzdwb9EBOaOgWAQm3lQOFDFBqjfV0 JNe0Ns9L4/0V/1+Y= X-Received: by 2002:adf:e9c7:: with SMTP id l7mr10102297wrn.212.1601573170716; Thu, 01 Oct 2020 10:26:10 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwhYa2pIYBNENWsjY/M8YHJaHnQ5Yxot6kNXp1e6URKTGVbkXFfjBglMcEzmpsPTpDw3oVhsg== X-Received: by 2002:adf:e9c7:: with SMTP id l7mr10102286wrn.212.1601573170577; Thu, 01 Oct 2020 10:26:10 -0700 (PDT) Received: from x1w.redhat.com (74.red-83-53-161.dynamicip.rima-tde.net. [83.53.161.74]) by smtp.gmail.com with ESMTPSA id h4sm11741661wrm.54.2020.10.01.10.26.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 01 Oct 2020 10:26:09 -0700 (PDT) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH RESEND v2 10/16] dma: Let dma_memory_rw_relaxed() take MemTxAttrs argument Date: Thu, 1 Oct 2020 19:25:13 +0200 Message-Id: <20201001172519.1620782-11-philmd@redhat.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201001172519.1620782-1-philmd@redhat.com> References: <20201001172519.1620782-1-philmd@redhat.com> MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=philmd@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=216.205.24.124; envelope-from=philmd@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/01 04:25:37 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Paolo Bonzini Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" We will add the MemTxAttrs argument to dma_memory_rw() in the next commit. Since dma_memory_rw_relaxed() is only used by dma_memory_rw(), modify it first in a separate commit to keep the next commit easier to review. Reviewed-by: Richard Henderson Reviewed-by: Li Qiang Reviewed-by: Edgar E. Iglesias Signed-off-by: Philippe Mathieu-Daudé --- include/sysemu/dma.h | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) diff --git a/include/sysemu/dma.h b/include/sysemu/dma.h index 608393d1b6..936b2c902b 100644 --- a/include/sysemu/dma.h +++ b/include/sysemu/dma.h @@ -83,9 +83,10 @@ static inline bool dma_memory_valid(AddressSpace *as, static inline MemTxResult dma_memory_rw_relaxed(AddressSpace *as, dma_addr_t addr, void *buf, dma_addr_t len, - DMADirection dir) + DMADirection dir, + MemTxAttrs attrs) { - return address_space_rw(as, addr, MEMTXATTRS_UNSPECIFIED, + return address_space_rw(as, addr, attrs, buf, len, dir == DMA_DIRECTION_FROM_DEVICE); } @@ -93,7 +94,9 @@ static inline MemTxResult dma_memory_read_relaxed(AddressSpace *as, dma_addr_t addr, void *buf, dma_addr_t len) { - return dma_memory_rw_relaxed(as, addr, buf, len, DMA_DIRECTION_TO_DEVICE); + return dma_memory_rw_relaxed(as, addr, buf, len, + DMA_DIRECTION_TO_DEVICE, + MEMTXATTRS_UNSPECIFIED); } static inline MemTxResult dma_memory_write_relaxed(AddressSpace *as, @@ -102,7 +105,8 @@ static inline MemTxResult dma_memory_write_relaxed(AddressSpace *as, dma_addr_t len) { return dma_memory_rw_relaxed(as, addr, (void *)buf, len, - DMA_DIRECTION_FROM_DEVICE); + DMA_DIRECTION_FROM_DEVICE, + MEMTXATTRS_UNSPECIFIED); } /** @@ -124,7 +128,8 @@ static inline MemTxResult dma_memory_rw(AddressSpace *as, dma_addr_t addr, { dma_barrier(as, dir); - return dma_memory_rw_relaxed(as, addr, buf, len, dir); + return dma_memory_rw_relaxed(as, addr, buf, len, dir, + MEMTXATTRS_UNSPECIFIED); } /** From patchwork Thu Oct 1 17:25:14 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= X-Patchwork-Id: 272266 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=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, 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 5B03DC4727E for ; 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[83.53.161.74]) by smtp.gmail.com with ESMTPSA id h8sm9734998wrw.68.2020.10.01.10.26.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 01 Oct 2020 10:26:14 -0700 (PDT) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH RESEND v2 11/16] dma: Let dma_memory_rw() take MemTxAttrs argument Date: Thu, 1 Oct 2020 19:25:14 +0200 Message-Id: <20201001172519.1620782-12-philmd@redhat.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201001172519.1620782-1-philmd@redhat.com> References: <20201001172519.1620782-1-philmd@redhat.com> MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=philmd@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=216.205.24.124; envelope-from=philmd@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/01 04:25:37 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Paolo Bonzini Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Let devices specify transaction attributes when calling dma_memory_rw(). Reviewed-by: Richard Henderson Reviewed-by: Li Qiang Reviewed-by: Edgar E. Iglesias Signed-off-by: Philippe Mathieu-Daudé --- include/hw/pci/pci.h | 3 ++- include/sysemu/dma.h | 11 ++++++----- dma-helpers.c | 3 ++- hw/intc/spapr_xive.c | 3 ++- hw/usb/hcd-ohci.c | 10 ++++++---- 5 files changed, 18 insertions(+), 12 deletions(-) diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h index f19ffe6b4f..8f23a24cf9 100644 --- a/include/hw/pci/pci.h +++ b/include/hw/pci/pci.h @@ -783,7 +783,8 @@ static inline AddressSpace *pci_get_address_space(PCIDevice *dev) static inline int pci_dma_rw(PCIDevice *dev, dma_addr_t addr, void *buf, dma_addr_t len, DMADirection dir) { - return dma_memory_rw(pci_get_address_space(dev), addr, buf, len, dir); + return dma_memory_rw(pci_get_address_space(dev), addr, buf, len, + dir, MEMTXATTRS_UNSPECIFIED); } static inline int pci_dma_read(PCIDevice *dev, dma_addr_t addr, diff --git a/include/sysemu/dma.h b/include/sysemu/dma.h index 936b2c902b..e5885dfc91 100644 --- a/include/sysemu/dma.h +++ b/include/sysemu/dma.h @@ -121,15 +121,15 @@ static inline MemTxResult dma_memory_write_relaxed(AddressSpace *as, * @buf: buffer with the data transferred * @len: the number of bytes to read or write * @dir: indicates the transfer direction + * @attrs: memory transaction attributes */ static inline MemTxResult dma_memory_rw(AddressSpace *as, dma_addr_t addr, void *buf, dma_addr_t len, - DMADirection dir) + DMADirection dir, MemTxAttrs attrs) { dma_barrier(as, dir); - return dma_memory_rw_relaxed(as, addr, buf, len, dir, - MEMTXATTRS_UNSPECIFIED); + return dma_memory_rw_relaxed(as, addr, buf, len, dir, attrs); } /** @@ -147,7 +147,8 @@ static inline MemTxResult dma_memory_rw(AddressSpace *as, dma_addr_t addr, static inline MemTxResult dma_memory_read(AddressSpace *as, dma_addr_t addr, void *buf, dma_addr_t len) { - return dma_memory_rw(as, addr, buf, len, DMA_DIRECTION_TO_DEVICE); + return dma_memory_rw(as, addr, buf, len, + DMA_DIRECTION_TO_DEVICE, MEMTXATTRS_UNSPECIFIED); } /** @@ -166,7 +167,7 @@ static inline MemTxResult dma_memory_write(AddressSpace *as, dma_addr_t addr, const void *buf, dma_addr_t len) { return dma_memory_rw(as, addr, (void *)buf, len, - DMA_DIRECTION_FROM_DEVICE); + DMA_DIRECTION_FROM_DEVICE, MEMTXATTRS_UNSPECIFIED); } /** diff --git a/dma-helpers.c b/dma-helpers.c index 6a9735386d..6c3b2200f1 100644 --- a/dma-helpers.c +++ b/dma-helpers.c @@ -305,7 +305,8 @@ static uint64_t dma_buf_rw(uint8_t *ptr, int32_t len, QEMUSGList *sg, while (len > 0) { ScatterGatherEntry entry = sg->sg[sg_cur_index++]; int32_t xfer = MIN(len, entry.len); - dma_memory_rw(sg->as, entry.base, ptr, xfer, dir); + dma_memory_rw(sg->as, entry.base, ptr, xfer, dir, + MEMTXATTRS_UNSPECIFIED); ptr += xfer; len -= xfer; resid -= xfer; diff --git a/hw/intc/spapr_xive.c b/hw/intc/spapr_xive.c index 1fa09f287a..7a383c9dc4 100644 --- a/hw/intc/spapr_xive.c +++ b/hw/intc/spapr_xive.c @@ -1661,7 +1661,8 @@ static target_ulong h_int_esb(PowerPCCPU *cpu, mmio_addr = xive->vc_base + xive_source_esb_mgmt(xsrc, lisn) + offset; if (dma_memory_rw(&address_space_memory, mmio_addr, &data, 8, - (flags & SPAPR_XIVE_ESB_STORE))) { + (flags & SPAPR_XIVE_ESB_STORE), + MEMTXATTRS_UNSPECIFIED)) { qemu_log_mask(LOG_GUEST_ERROR, "XIVE: failed to access ESB @0x%" HWADDR_PRIx "\n", mmio_addr); return H_HARDWARE; diff --git a/hw/usb/hcd-ohci.c b/hw/usb/hcd-ohci.c index 8b912e95d3..67a92153e9 100644 --- a/hw/usb/hcd-ohci.c +++ b/hw/usb/hcd-ohci.c @@ -586,7 +586,8 @@ static int ohci_copy_td(OHCIState *ohci, struct ohci_td *td, if (n > len) n = len; - if (dma_memory_rw(ohci->as, ptr + ohci->localmem_base, buf, n, dir)) { + if (dma_memory_rw(ohci->as, ptr + ohci->localmem_base, buf, + n, dir, MEMTXATTRS_UNSPECIFIED)) { return -1; } if (n == len) { @@ -595,7 +596,7 @@ static int ohci_copy_td(OHCIState *ohci, struct ohci_td *td, ptr = td->be & ~0xfffu; buf += n; if (dma_memory_rw(ohci->as, ptr + ohci->localmem_base, buf, - len - n, dir)) { + len - n, dir, MEMTXATTRS_UNSPECIFIED)) { return -1; } return 0; @@ -613,7 +614,8 @@ static int ohci_copy_iso_td(OHCIState *ohci, if (n > len) n = len; - if (dma_memory_rw(ohci->as, ptr + ohci->localmem_base, buf, n, dir)) { + if (dma_memory_rw(ohci->as, ptr + ohci->localmem_base, buf, + n, dir, MEMTXATTRS_UNSPECIFIED)) { return -1; } if (n == len) { @@ -622,7 +624,7 @@ static int ohci_copy_iso_td(OHCIState *ohci, ptr = end_addr & ~0xfffu; buf += n; if (dma_memory_rw(ohci->as, ptr + ohci->localmem_base, buf, - len - n, dir)) { + len - n, dir, MEMTXATTRS_UNSPECIFIED)) { return -1; } return 0; From patchwork Thu Oct 1 17:25:15 2020 Content-Type: text/plain; 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[83.53.161.74]) by smtp.gmail.com with ESMTPSA id e18sm10070785wrx.50.2020.10.01.10.26.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 01 Oct 2020 10:26:19 -0700 (PDT) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH RESEND v2 12/16] dma: Let dma_memory_read/write() take MemTxAttrs argument Date: Thu, 1 Oct 2020 19:25:15 +0200 Message-Id: <20201001172519.1620782-13-philmd@redhat.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201001172519.1620782-1-philmd@redhat.com> References: <20201001172519.1620782-1-philmd@redhat.com> MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=philmd@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=63.128.21.124; envelope-from=philmd@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/01 02:15:30 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Paolo Bonzini Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Let devices specify transaction attributes when calling dma_memory_read() or dma_memory_write(). Patch created mechanically using spatch with this script: @@ expression E1, E2, E3, E4; @@ ( - dma_memory_read(E1, E2, E3, E4) + dma_memory_read(E1, E2, E3, E4, MEMTXATTRS_UNSPECIFIED) | - dma_memory_write(E1, E2, E3, E4) + dma_memory_write(E1, E2, E3, E4, MEMTXATTRS_UNSPECIFIED) ) Reviewed-by: Richard Henderson Reviewed-by: Li Qiang Reviewed-by: Edgar E. Iglesias Signed-off-by: Philippe Mathieu-Daudé --- include/hw/ppc/spapr_vio.h | 6 ++++-- include/sysemu/dma.h | 20 ++++++++++++-------- hw/arm/musicpal.c | 13 +++++++------ hw/arm/smmu-common.c | 3 ++- hw/arm/smmuv3.c | 14 +++++++++----- hw/core/generic-loader.c | 3 ++- hw/dma/pl330.c | 12 ++++++++---- hw/dma/sparc32_dma.c | 16 ++++++++++------ hw/dma/xlnx-zynq-devcfg.c | 6 ++++-- hw/dma/xlnx_dpdma.c | 10 ++++++---- hw/i386/amd_iommu.c | 16 +++++++++------- hw/i386/intel_iommu.c | 28 +++++++++++++++++----------- hw/ide/macio.c | 2 +- hw/intc/xive.c | 7 ++++--- hw/misc/bcm2835_property.c | 3 ++- hw/misc/macio/mac_dbdma.c | 10 ++++++---- hw/net/allwinner-sun8i-emac.c | 21 ++++++++++++++------- hw/net/ftgmac100.c | 25 ++++++++++++++++--------- hw/net/imx_fec.c | 32 ++++++++++++++++++++------------ hw/nvram/fw_cfg.c | 9 ++++++--- hw/pci-host/pnv_phb3.c | 5 +++-- hw/pci-host/pnv_phb3_msi.c | 9 ++++++--- hw/pci-host/pnv_phb4.c | 7 ++++--- hw/sd/allwinner-sdhost.c | 14 ++++++++------ hw/sd/sdhci.c | 35 ++++++++++++++++++++++------------- hw/usb/hcd-dwc2.c | 8 ++++---- hw/usb/hcd-ehci.c | 6 ++++-- hw/usb/hcd-ohci.c | 18 +++++++++++------- hw/usb/hcd-xhci.c | 18 +++++++++++------- 29 files changed, 232 insertions(+), 144 deletions(-) diff --git a/include/hw/ppc/spapr_vio.h b/include/hw/ppc/spapr_vio.h index a8d6c55953..45f47598bc 100644 --- a/include/hw/ppc/spapr_vio.h +++ b/include/hw/ppc/spapr_vio.h @@ -97,14 +97,16 @@ static inline bool spapr_vio_dma_valid(SpaprVioDevice *dev, uint64_t taddr, static inline int spapr_vio_dma_read(SpaprVioDevice *dev, uint64_t taddr, void *buf, uint32_t size) { - return (dma_memory_read(&dev->as, taddr, buf, size) != 0) ? + return (dma_memory_read(&dev->as, taddr, + buf, size, MEMTXATTRS_UNSPECIFIED) != 0) ? H_DEST_PARM : H_SUCCESS; } static inline int spapr_vio_dma_write(SpaprVioDevice *dev, uint64_t taddr, const void *buf, uint32_t size) { - return (dma_memory_write(&dev->as, taddr, buf, size) != 0) ? + return (dma_memory_write(&dev->as, taddr, + buf, size, MEMTXATTRS_UNSPECIFIED) != 0) ? H_DEST_PARM : H_SUCCESS; } diff --git a/include/sysemu/dma.h b/include/sysemu/dma.h index e5885dfc91..343d755ca1 100644 --- a/include/sysemu/dma.h +++ b/include/sysemu/dma.h @@ -143,12 +143,14 @@ static inline MemTxResult dma_memory_rw(AddressSpace *as, dma_addr_t addr, * @addr: address within that address space * @buf: buffer with the data transferred * @len: length of the data transferred + * @attrs: memory transaction attributes */ static inline MemTxResult dma_memory_read(AddressSpace *as, dma_addr_t addr, - void *buf, dma_addr_t len) + void *buf, dma_addr_t len, + MemTxAttrs attrs) { return dma_memory_rw(as, addr, buf, len, - DMA_DIRECTION_TO_DEVICE, MEMTXATTRS_UNSPECIFIED); + DMA_DIRECTION_TO_DEVICE, attrs); } /** @@ -162,12 +164,14 @@ static inline MemTxResult dma_memory_read(AddressSpace *as, dma_addr_t addr, * @addr: address within that address space * @buf: buffer with the data transferred * @len: the number of bytes to write + * @attrs: memory transaction attributes */ static inline MemTxResult dma_memory_write(AddressSpace *as, dma_addr_t addr, - const void *buf, dma_addr_t len) + const void *buf, dma_addr_t len, + MemTxAttrs attrs) { return dma_memory_rw(as, addr, (void *)buf, len, - DMA_DIRECTION_FROM_DEVICE, MEMTXATTRS_UNSPECIFIED); + DMA_DIRECTION_FROM_DEVICE, attrs); } /** @@ -239,7 +243,7 @@ static inline void dma_memory_unmap(AddressSpace *as, dma_addr_t addr) \ { \ uint##_bits##_t val; \ - dma_memory_read(as, addr, &val, (_bits) / 8); \ + dma_memory_read(as, addr, &val, (_bits) / 8, MEMTXATTRS_UNSPECIFIED); \ return _end##_bits##_to_cpu(val); \ } \ static inline void st##_sname##_##_end##_dma(AddressSpace *as, \ @@ -247,20 +251,20 @@ static inline void dma_memory_unmap(AddressSpace *as, uint##_bits##_t val) \ { \ val = cpu_to_##_end##_bits(val); \ - dma_memory_write(as, addr, &val, (_bits) / 8); \ + dma_memory_write(as, addr, &val, (_bits) / 8, MEMTXATTRS_UNSPECIFIED); \ } static inline uint8_t ldub_dma(AddressSpace *as, dma_addr_t addr) { uint8_t val; - dma_memory_read(as, addr, &val, 1); + dma_memory_read(as, addr, &val, 1, MEMTXATTRS_UNSPECIFIED); return val; } static inline void stb_dma(AddressSpace *as, dma_addr_t addr, uint8_t val) { - dma_memory_write(as, addr, &val, 1); + dma_memory_write(as, addr, &val, 1, MEMTXATTRS_UNSPECIFIED); } DEFINE_LDST_DMA(uw, w, 16, le); diff --git a/hw/arm/musicpal.c b/hw/arm/musicpal.c index 5eb3f969fb..e9c646c347 100644 --- a/hw/arm/musicpal.c +++ b/hw/arm/musicpal.c @@ -187,13 +187,13 @@ static void eth_rx_desc_put(AddressSpace *dma_as, uint32_t addr, cpu_to_le16s(&desc->buffer_size); cpu_to_le32s(&desc->buffer); cpu_to_le32s(&desc->next); - dma_memory_write(dma_as, addr, desc, sizeof(*desc)); + dma_memory_write(dma_as, addr, desc, sizeof(*desc), MEMTXATTRS_UNSPECIFIED); } static void eth_rx_desc_get(AddressSpace *dma_as, uint32_t addr, mv88w8618_rx_desc *desc) { - dma_memory_read(dma_as, addr, desc, sizeof(*desc)); + dma_memory_read(dma_as, addr, desc, sizeof(*desc), MEMTXATTRS_UNSPECIFIED); le32_to_cpus(&desc->cmdstat); le16_to_cpus(&desc->bytes); le16_to_cpus(&desc->buffer_size); @@ -217,7 +217,7 @@ static ssize_t eth_receive(NetClientState *nc, const uint8_t *buf, size_t size) eth_rx_desc_get(&s->dma_as, desc_addr, &desc); if ((desc.cmdstat & MP_ETH_RX_OWN) && desc.buffer_size >= size) { dma_memory_write(&s->dma_as, desc.buffer + s->vlan_header, - buf, size); + buf, size, MEMTXATTRS_UNSPECIFIED); desc.bytes = size + s->vlan_header; desc.cmdstat &= ~MP_ETH_RX_OWN; s->cur_rx[i] = desc.next; @@ -243,13 +243,13 @@ static void eth_tx_desc_put(AddressSpace *dma_as, uint32_t addr, cpu_to_le16s(&desc->bytes); cpu_to_le32s(&desc->buffer); cpu_to_le32s(&desc->next); - dma_memory_write(dma_as, addr, desc, sizeof(*desc)); + dma_memory_write(dma_as, addr, desc, sizeof(*desc), MEMTXATTRS_UNSPECIFIED); } static void eth_tx_desc_get(AddressSpace *dma_as, uint32_t addr, mv88w8618_tx_desc *desc) { - dma_memory_read(dma_as, addr, desc, sizeof(*desc)); + dma_memory_read(dma_as, addr, desc, sizeof(*desc), MEMTXATTRS_UNSPECIFIED); le32_to_cpus(&desc->cmdstat); le16_to_cpus(&desc->res); le16_to_cpus(&desc->bytes); @@ -271,7 +271,8 @@ static void eth_send(mv88w8618_eth_state *s, int queue_index) if (desc.cmdstat & MP_ETH_TX_OWN) { len = desc.bytes; if (len < 2048) { - dma_memory_read(&s->dma_as, desc.buffer, buf, len); + dma_memory_read(&s->dma_as, desc.buffer, buf, len, + MEMTXATTRS_UNSPECIFIED); qemu_send_packet(qemu_get_queue(s->nic), buf, len); } desc.cmdstat &= ~MP_ETH_TX_OWN; diff --git a/hw/arm/smmu-common.c b/hw/arm/smmu-common.c index 3838db1395..f42ee23720 100644 --- a/hw/arm/smmu-common.c +++ b/hw/arm/smmu-common.c @@ -188,7 +188,8 @@ static int get_pte(dma_addr_t baseaddr, uint32_t index, uint64_t *pte, dma_addr_t addr = baseaddr + index * sizeof(*pte); /* TODO: guarantee 64-bit single-copy atomicity */ - ret = dma_memory_read(&address_space_memory, addr, pte, sizeof(*pte)); + ret = dma_memory_read(&address_space_memory, addr, pte, sizeof(*pte), + MEMTXATTRS_UNSPECIFIED); if (ret != MEMTX_OK) { info->type = SMMU_PTW_ERR_WALK_EABT; diff --git a/hw/arm/smmuv3.c b/hw/arm/smmuv3.c index 0122700e72..71d0eea2af 100644 --- a/hw/arm/smmuv3.c +++ b/hw/arm/smmuv3.c @@ -101,7 +101,8 @@ static inline MemTxResult queue_read(SMMUQueue *q, void *data) { dma_addr_t addr = Q_CONS_ENTRY(q); - return dma_memory_read(&address_space_memory, addr, data, q->entry_size); + return dma_memory_read(&address_space_memory, addr, data, q->entry_size, + MEMTXATTRS_UNSPECIFIED); } static MemTxResult queue_write(SMMUQueue *q, void *data) @@ -109,7 +110,8 @@ static MemTxResult queue_write(SMMUQueue *q, void *data) dma_addr_t addr = Q_PROD_ENTRY(q); MemTxResult ret; - ret = dma_memory_write(&address_space_memory, addr, data, q->entry_size); + ret = dma_memory_write(&address_space_memory, addr, data, q->entry_size, + MEMTXATTRS_UNSPECIFIED); if (ret != MEMTX_OK) { return ret; } @@ -283,7 +285,8 @@ static int smmu_get_ste(SMMUv3State *s, dma_addr_t addr, STE *buf, trace_smmuv3_get_ste(addr); /* TODO: guarantee 64-bit single-copy atomicity */ - ret = dma_memory_read(&address_space_memory, addr, buf, sizeof(*buf)); + ret = dma_memory_read(&address_space_memory, addr, buf, sizeof(*buf), + MEMTXATTRS_UNSPECIFIED); if (ret != MEMTX_OK) { qemu_log_mask(LOG_GUEST_ERROR, "Cannot fetch pte at address=0x%"PRIx64"\n", addr); @@ -304,7 +307,8 @@ static int smmu_get_cd(SMMUv3State *s, STE *ste, uint32_t ssid, trace_smmuv3_get_cd(addr); /* TODO: guarantee 64-bit single-copy atomicity */ - ret = dma_memory_read(&address_space_memory, addr, buf, sizeof(*buf)); + ret = dma_memory_read(&address_space_memory, addr, buf, sizeof(*buf), + MEMTXATTRS_UNSPECIFIED); if (ret != MEMTX_OK) { qemu_log_mask(LOG_GUEST_ERROR, "Cannot fetch pte at address=0x%"PRIx64"\n", addr); @@ -409,7 +413,7 @@ static int smmu_find_ste(SMMUv3State *s, uint32_t sid, STE *ste, l1ptr = (dma_addr_t)(strtab_base + l1_ste_offset * sizeof(l1std)); /* TODO: guarantee 64-bit single-copy atomicity */ ret = dma_memory_read(&address_space_memory, l1ptr, &l1std, - sizeof(l1std)); + sizeof(l1std), MEMTXATTRS_UNSPECIFIED); if (ret != MEMTX_OK) { qemu_log_mask(LOG_GUEST_ERROR, "Could not read L1PTR at 0X%"PRIx64"\n", l1ptr); diff --git a/hw/core/generic-loader.c b/hw/core/generic-loader.c index a242c076f6..ba48ebae99 100644 --- a/hw/core/generic-loader.c +++ b/hw/core/generic-loader.c @@ -57,7 +57,8 @@ static void generic_loader_reset(void *opaque) if (s->data_len) { assert(s->data_len < sizeof(s->data)); - dma_memory_write(s->cpu->as, s->addr, &s->data, s->data_len); + dma_memory_write(s->cpu->as, s->addr, &s->data, s->data_len, + MEMTXATTRS_UNSPECIFIED); } } diff --git a/hw/dma/pl330.c b/hw/dma/pl330.c index 944ba296b0..e10d424890 100644 --- a/hw/dma/pl330.c +++ b/hw/dma/pl330.c @@ -1108,7 +1108,8 @@ static inline const PL330InsnDesc *pl330_fetch_insn(PL330Chan *ch) uint8_t opcode; int i; - dma_memory_read(&address_space_memory, ch->pc, &opcode, 1); + dma_memory_read(&address_space_memory, ch->pc, &opcode, 1, + MEMTXATTRS_UNSPECIFIED); for (i = 0; insn_desc[i].size; i++) { if ((opcode & insn_desc[i].opmask) == insn_desc[i].opcode) { return &insn_desc[i]; @@ -1122,7 +1123,8 @@ static inline void pl330_exec_insn(PL330Chan *ch, const PL330InsnDesc *insn) uint8_t buf[PL330_INSN_MAXSIZE]; assert(insn->size <= PL330_INSN_MAXSIZE); - dma_memory_read(&address_space_memory, ch->pc, buf, insn->size); + dma_memory_read(&address_space_memory, ch->pc, buf, insn->size, + MEMTXATTRS_UNSPECIFIED); insn->exec(ch, buf[0], &buf[1], insn->size - 1); } @@ -1186,7 +1188,8 @@ static int pl330_exec_cycle(PL330Chan *channel) if (q != NULL && q->len <= pl330_fifo_num_free(&s->fifo)) { int len = q->len - (q->addr & (q->len - 1)); - dma_memory_read(&address_space_memory, q->addr, buf, len); + dma_memory_read(&address_space_memory, q->addr, buf, len, + MEMTXATTRS_UNSPECIFIED); trace_pl330_exec_cycle(q->addr, len); if (trace_event_get_state_backends(TRACE_PL330_HEXDUMP)) { pl330_hexdump(buf, len); @@ -1217,7 +1220,8 @@ static int pl330_exec_cycle(PL330Chan *channel) fifo_res = pl330_fifo_get(&s->fifo, buf, len, q->tag); } if (fifo_res == PL330_FIFO_OK || q->z) { - dma_memory_write(&address_space_memory, q->addr, buf, len); + dma_memory_write(&address_space_memory, q->addr, buf, len, + MEMTXATTRS_UNSPECIFIED); trace_pl330_exec_cycle(q->addr, len); if (trace_event_get_state_backends(TRACE_PL330_HEXDUMP)) { pl330_hexdump(buf, len); diff --git a/hw/dma/sparc32_dma.c b/hw/dma/sparc32_dma.c index d20a5bc065..5e3cf5ff9a 100644 --- a/hw/dma/sparc32_dma.c +++ b/hw/dma/sparc32_dma.c @@ -81,11 +81,11 @@ void ledma_memory_read(void *opaque, hwaddr addr, addr |= s->dmaregs[3]; trace_ledma_memory_read(addr, len); if (do_bswap) { - dma_memory_read(&is->iommu_as, addr, buf, len); + dma_memory_read(&is->iommu_as, addr, buf, len, MEMTXATTRS_UNSPECIFIED); } else { addr &= ~1; len &= ~1; - dma_memory_read(&is->iommu_as, addr, buf, len); + dma_memory_read(&is->iommu_as, addr, buf, len, MEMTXATTRS_UNSPECIFIED); for(i = 0; i < len; i += 2) { bswap16s((uint16_t *)(buf + i)); } @@ -103,7 +103,8 @@ void ledma_memory_write(void *opaque, hwaddr addr, addr |= s->dmaregs[3]; trace_ledma_memory_write(addr, len); if (do_bswap) { - dma_memory_write(&is->iommu_as, addr, buf, len); + dma_memory_write(&is->iommu_as, addr, buf, len, + MEMTXATTRS_UNSPECIFIED); } else { addr &= ~1; len &= ~1; @@ -114,7 +115,8 @@ void ledma_memory_write(void *opaque, hwaddr addr, for(i = 0; i < l; i += 2) { tmp_buf[i >> 1] = bswap16(*(uint16_t *)(buf + i)); } - dma_memory_write(&is->iommu_as, addr, tmp_buf, l); + dma_memory_write(&is->iommu_as, addr, tmp_buf, l, + MEMTXATTRS_UNSPECIFIED); len -= l; buf += l; addr += l; @@ -148,7 +150,8 @@ void espdma_memory_read(void *opaque, uint8_t *buf, int len) IOMMUState *is = (IOMMUState *)s->iommu; trace_espdma_memory_read(s->dmaregs[1], len); - dma_memory_read(&is->iommu_as, s->dmaregs[1], buf, len); + dma_memory_read(&is->iommu_as, s->dmaregs[1], buf, len, + MEMTXATTRS_UNSPECIFIED); s->dmaregs[1] += len; } @@ -158,7 +161,8 @@ void espdma_memory_write(void *opaque, uint8_t *buf, int len) IOMMUState *is = (IOMMUState *)s->iommu; trace_espdma_memory_write(s->dmaregs[1], len); - dma_memory_write(&is->iommu_as, s->dmaregs[1], buf, len); + dma_memory_write(&is->iommu_as, s->dmaregs[1], buf, len, + MEMTXATTRS_UNSPECIFIED); s->dmaregs[1] += len; } diff --git a/hw/dma/xlnx-zynq-devcfg.c b/hw/dma/xlnx-zynq-devcfg.c index e33112b6f0..f5ad1a0d22 100644 --- a/hw/dma/xlnx-zynq-devcfg.c +++ b/hw/dma/xlnx-zynq-devcfg.c @@ -161,12 +161,14 @@ static void xlnx_zynq_devcfg_dma_go(XlnxZynqDevcfg *s) btt = MIN(btt, dmah->dest_len); } DB_PRINT("reading %x bytes from %x\n", btt, dmah->src_addr); - dma_memory_read(&address_space_memory, dmah->src_addr, buf, btt); + dma_memory_read(&address_space_memory, dmah->src_addr, buf, btt, + MEMTXATTRS_UNSPECIFIED); dmah->src_len -= btt; dmah->src_addr += btt; if (loopback && (dmah->src_len || dmah->dest_len)) { DB_PRINT("writing %x bytes from %x\n", btt, dmah->dest_addr); - dma_memory_write(&address_space_memory, dmah->dest_addr, buf, btt); + dma_memory_write(&address_space_memory, dmah->dest_addr, buf, btt, + MEMTXATTRS_UNSPECIFIED); dmah->dest_len -= btt; dmah->dest_addr += btt; } diff --git a/hw/dma/xlnx_dpdma.c b/hw/dma/xlnx_dpdma.c index 967548abd3..2d7eae72cd 100644 --- a/hw/dma/xlnx_dpdma.c +++ b/hw/dma/xlnx_dpdma.c @@ -652,7 +652,7 @@ size_t xlnx_dpdma_start_operation(XlnxDPDMAState *s, uint8_t channel, } if (dma_memory_read(&address_space_memory, desc_addr, &desc, - sizeof(DPDMADescriptor))) { + sizeof(DPDMADescriptor), MEMTXATTRS_UNSPECIFIED)) { s->registers[DPDMA_EISR] |= ((1 << 1) << channel); xlnx_dpdma_update_irq(s); s->operation_finished[channel] = true; @@ -708,7 +708,8 @@ size_t xlnx_dpdma_start_operation(XlnxDPDMAState *s, uint8_t channel, if (dma_memory_read(&address_space_memory, source_addr[0], &s->data[channel][ptr], - line_size)) { + line_size, + MEMTXATTRS_UNSPECIFIED)) { s->registers[DPDMA_ISR] |= ((1 << 12) << channel); xlnx_dpdma_update_irq(s); DPRINTF("Can't get data.\n"); @@ -736,7 +737,8 @@ size_t xlnx_dpdma_start_operation(XlnxDPDMAState *s, uint8_t channel, if (dma_memory_read(&address_space_memory, source_addr[frag], &(s->data[channel][ptr]), - fragment_len)) { + fragment_len, + MEMTXATTRS_UNSPECIFIED)) { s->registers[DPDMA_ISR] |= ((1 << 12) << channel); xlnx_dpdma_update_irq(s); DPRINTF("Can't get data.\n"); @@ -754,7 +756,7 @@ size_t xlnx_dpdma_start_operation(XlnxDPDMAState *s, uint8_t channel, DPRINTF("update the descriptor with the done flag set.\n"); xlnx_dpdma_desc_set_done(&desc); dma_memory_write(&address_space_memory, desc_addr, &desc, - sizeof(DPDMADescriptor)); + sizeof(DPDMADescriptor), MEMTXATTRS_UNSPECIFIED); } if (xlnx_dpdma_desc_completion_interrupt(&desc)) { diff --git a/hw/i386/amd_iommu.c b/hw/i386/amd_iommu.c index 74a93a5d93..3c2a1a61db 100644 --- a/hw/i386/amd_iommu.c +++ b/hw/i386/amd_iommu.c @@ -181,7 +181,7 @@ static void amdvi_log_event(AMDVIState *s, uint64_t *evt) } if (dma_memory_write(&address_space_memory, s->evtlog + s->evtlog_tail, - evt, AMDVI_EVENT_LEN)) { + evt, AMDVI_EVENT_LEN, MEMTXATTRS_UNSPECIFIED)) { trace_amdvi_evntlog_fail(s->evtlog, s->evtlog_tail); } @@ -376,7 +376,8 @@ static void amdvi_completion_wait(AMDVIState *s, uint64_t *cmd) } if (extract64(cmd[0], 0, 1)) { if (dma_memory_write(&address_space_memory, addr, &data, - AMDVI_COMPLETION_DATA_SIZE)) { + AMDVI_COMPLETION_DATA_SIZE, + MEMTXATTRS_UNSPECIFIED)) { trace_amdvi_completion_wait_fail(addr); } } @@ -502,7 +503,7 @@ static void amdvi_cmdbuf_exec(AMDVIState *s) uint64_t cmd[2]; if (dma_memory_read(&address_space_memory, s->cmdbuf + s->cmdbuf_head, - cmd, AMDVI_COMMAND_SIZE)) { + cmd, AMDVI_COMMAND_SIZE, MEMTXATTRS_UNSPECIFIED)) { trace_amdvi_command_read_fail(s->cmdbuf, s->cmdbuf_head); amdvi_log_command_error(s, s->cmdbuf + s->cmdbuf_head); return; @@ -836,7 +837,7 @@ static bool amdvi_get_dte(AMDVIState *s, int devid, uint64_t *entry) uint32_t offset = devid * AMDVI_DEVTAB_ENTRY_SIZE; if (dma_memory_read(&address_space_memory, s->devtab + offset, entry, - AMDVI_DEVTAB_ENTRY_SIZE)) { + AMDVI_DEVTAB_ENTRY_SIZE, MEMTXATTRS_UNSPECIFIED)) { trace_amdvi_dte_get_fail(s->devtab, offset); /* log error accessing dte */ amdvi_log_devtab_error(s, devid, s->devtab + offset, 0); @@ -881,7 +882,8 @@ static inline uint64_t amdvi_get_pte_entry(AMDVIState *s, uint64_t pte_addr, { uint64_t pte; - if (dma_memory_read(&address_space_memory, pte_addr, &pte, sizeof(pte))) { + if (dma_memory_read(&address_space_memory, pte_addr, + &pte, sizeof(pte), MEMTXATTRS_UNSPECIFIED)) { trace_amdvi_get_pte_hwerror(pte_addr); amdvi_log_pagetab_error(s, devid, pte_addr, 0); pte = 0; @@ -1048,7 +1050,7 @@ static int amdvi_get_irte(AMDVIState *s, MSIMessage *origin, uint64_t *dte, trace_amdvi_ir_irte(irte_root, offset); if (dma_memory_read(&address_space_memory, irte_root + offset, - irte, sizeof(*irte))) { + irte, sizeof(*irte), MEMTXATTRS_UNSPECIFIED)) { trace_amdvi_ir_err("failed to get irte"); return -AMDVI_IR_GET_IRTE; } @@ -1108,7 +1110,7 @@ static int amdvi_get_irte_ga(AMDVIState *s, MSIMessage *origin, uint64_t *dte, trace_amdvi_ir_irte(irte_root, offset); if (dma_memory_read(&address_space_memory, irte_root + offset, - irte, sizeof(*irte))) { + irte, sizeof(*irte), MEMTXATTRS_UNSPECIFIED)) { trace_amdvi_ir_err("failed to get irte_ga"); return -AMDVI_IR_GET_IRTE; } diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c index 749eb6ad63..8de57dd995 100644 --- a/hw/i386/intel_iommu.c +++ b/hw/i386/intel_iommu.c @@ -570,7 +570,8 @@ static int vtd_get_root_entry(IntelIOMMUState *s, uint8_t index, dma_addr_t addr; addr = s->root + index * sizeof(*re); - if (dma_memory_read(&address_space_memory, addr, re, sizeof(*re))) { + if (dma_memory_read(&address_space_memory, addr, + re, sizeof(*re), MEMTXATTRS_UNSPECIFIED)) { re->lo = 0; return -VTD_FR_ROOT_TABLE_INV; } @@ -603,7 +604,8 @@ static int vtd_get_context_entry_from_root(IntelIOMMUState *s, } addr = addr + index * ce_size; - if (dma_memory_read(&address_space_memory, addr, ce, ce_size)) { + if (dma_memory_read(&address_space_memory, addr, + ce, ce_size, MEMTXATTRS_UNSPECIFIED)) { return -VTD_FR_CONTEXT_TABLE_INV; } @@ -640,8 +642,8 @@ static uint64_t vtd_get_slpte(dma_addr_t base_addr, uint32_t index) assert(index < VTD_SL_PT_ENTRY_NR); if (dma_memory_read(&address_space_memory, - base_addr + index * sizeof(slpte), &slpte, - sizeof(slpte))) { + base_addr + index * sizeof(slpte), + &slpte, sizeof(slpte), MEMTXATTRS_UNSPECIFIED)) { slpte = (uint64_t)-1; return slpte; } @@ -705,7 +707,8 @@ static int vtd_get_pdire_from_pdir_table(dma_addr_t pasid_dir_base, index = VTD_PASID_DIR_INDEX(pasid); entry_size = VTD_PASID_DIR_ENTRY_SIZE; addr = pasid_dir_base + index * entry_size; - if (dma_memory_read(&address_space_memory, addr, pdire, entry_size)) { + if (dma_memory_read(&address_space_memory, addr, + pdire, entry_size, MEMTXATTRS_UNSPECIFIED)) { return -VTD_FR_PASID_TABLE_INV; } @@ -729,7 +732,8 @@ static int vtd_get_pe_in_pasid_leaf_table(IntelIOMMUState *s, index = VTD_PASID_TABLE_INDEX(pasid); entry_size = VTD_PASID_ENTRY_SIZE; addr = addr + index * entry_size; - if (dma_memory_read(&address_space_memory, addr, pe, entry_size)) { + if (dma_memory_read(&address_space_memory, addr, + pe, entry_size, MEMTXATTRS_UNSPECIFIED)) { return -VTD_FR_PASID_TABLE_INV; } @@ -2262,7 +2266,8 @@ static bool vtd_get_inv_desc(IntelIOMMUState *s, uint32_t dw = s->iq_dw ? 32 : 16; dma_addr_t addr = base_addr + offset * dw; - if (dma_memory_read(&address_space_memory, addr, inv_desc, dw)) { + if (dma_memory_read(&address_space_memory, addr, + inv_desc, dw, MEMTXATTRS_UNSPECIFIED)) { error_report_once("Read INV DESC failed."); return false; } @@ -2295,8 +2300,9 @@ static bool vtd_process_wait_desc(IntelIOMMUState *s, VTDInvDesc *inv_desc) dma_addr_t status_addr = inv_desc->hi; trace_vtd_inv_desc_wait_sw(status_addr, status_data); status_data = cpu_to_le32(status_data); - if (dma_memory_write(&address_space_memory, status_addr, &status_data, - sizeof(status_data))) { + if (dma_memory_write(&address_space_memory, status_addr, + &status_data, sizeof(status_data), + MEMTXATTRS_UNSPECIFIED)) { trace_vtd_inv_desc_wait_write_fail(inv_desc->hi, inv_desc->lo); return false; } @@ -3106,8 +3112,8 @@ static int vtd_irte_get(IntelIOMMUState *iommu, uint16_t index, } addr = iommu->intr_root + index * sizeof(*entry); - if (dma_memory_read(&address_space_memory, addr, entry, - sizeof(*entry))) { + if (dma_memory_read(&address_space_memory, addr, + entry, sizeof(*entry), MEMTXATTRS_UNSPECIFIED)) { error_report_once("%s: read failed: ind=0x%x addr=0x%" PRIx64, __func__, index, addr); return -VTD_FR_IR_ROOT_INVAL; diff --git a/hw/ide/macio.c b/hw/ide/macio.c index 62a599a075..a93a2b75a8 100644 --- a/hw/ide/macio.c +++ b/hw/ide/macio.c @@ -97,7 +97,7 @@ static void pmac_ide_atapi_transfer_cb(void *opaque, int ret) /* Non-block ATAPI transfer - just copy to RAM */ s->io_buffer_size = MIN(s->io_buffer_size, io->len); dma_memory_write(&address_space_memory, io->addr, s->io_buffer, - s->io_buffer_size); + s->io_buffer_size, MEMTXATTRS_UNSPECIFIED); io->len = 0; ide_atapi_cmd_ok(s); m->dma_active = false; diff --git a/hw/intc/xive.c b/hw/intc/xive.c index 489e6256ef..8e8618c1ab 100644 --- a/hw/intc/xive.c +++ b/hw/intc/xive.c @@ -1236,8 +1236,8 @@ void xive_end_queue_pic_print_info(XiveEND *end, uint32_t width, Monitor *mon) uint64_t qaddr = qaddr_base + (qindex << 2); uint32_t qdata = -1; - if (dma_memory_read(&address_space_memory, qaddr, &qdata, - sizeof(qdata))) { + if (dma_memory_read(&address_space_memory, qaddr, + &qdata, sizeof(qdata), MEMTXATTRS_UNSPECIFIED)) { qemu_log_mask(LOG_GUEST_ERROR, "XIVE: failed to read EQ @0x%" HWADDR_PRIx "\n", qaddr); return; @@ -1300,7 +1300,8 @@ static void xive_end_enqueue(XiveEND *end, uint32_t data) uint32_t qdata = cpu_to_be32((qgen << 31) | (data & 0x7fffffff)); uint32_t qentries = 1 << (qsize + 10); - if (dma_memory_write(&address_space_memory, qaddr, &qdata, sizeof(qdata))) { + if (dma_memory_write(&address_space_memory, qaddr, + &qdata, sizeof(qdata), MEMTXATTRS_UNSPECIFIED)) { qemu_log_mask(LOG_GUEST_ERROR, "XIVE: failed to write END data @0x%" HWADDR_PRIx "\n", qaddr); return; diff --git a/hw/misc/bcm2835_property.c b/hw/misc/bcm2835_property.c index 73941bdae9..76ea511d53 100644 --- a/hw/misc/bcm2835_property.c +++ b/hw/misc/bcm2835_property.c @@ -69,7 +69,8 @@ static void bcm2835_property_mbox_push(BCM2835PropertyState *s, uint32_t value) break; case 0x00010003: /* Get board MAC address */ resplen = sizeof(s->macaddr.a); - dma_memory_write(&s->dma_as, value + 12, s->macaddr.a, resplen); + dma_memory_write(&s->dma_as, value + 12, s->macaddr.a, resplen, + MEMTXATTRS_UNSPECIFIED); break; case 0x00010004: /* Get board serial */ qemu_log_mask(LOG_UNIMP, diff --git a/hw/misc/macio/mac_dbdma.c b/hw/misc/macio/mac_dbdma.c index e220f1a927..efcc02609f 100644 --- a/hw/misc/macio/mac_dbdma.c +++ b/hw/misc/macio/mac_dbdma.c @@ -94,7 +94,7 @@ static void dbdma_cmdptr_load(DBDMA_channel *ch) DBDMA_DPRINTFCH(ch, "dbdma_cmdptr_load 0x%08x\n", ch->regs[DBDMA_CMDPTR_LO]); dma_memory_read(&address_space_memory, ch->regs[DBDMA_CMDPTR_LO], - &ch->current, sizeof(dbdma_cmd)); + &ch->current, sizeof(dbdma_cmd), MEMTXATTRS_UNSPECIFIED); } static void dbdma_cmdptr_save(DBDMA_channel *ch) @@ -104,7 +104,7 @@ static void dbdma_cmdptr_save(DBDMA_channel *ch) le16_to_cpu(ch->current.xfer_status), le16_to_cpu(ch->current.res_count)); dma_memory_write(&address_space_memory, ch->regs[DBDMA_CMDPTR_LO], - &ch->current, sizeof(dbdma_cmd)); + &ch->current, sizeof(dbdma_cmd), MEMTXATTRS_UNSPECIFIED); } static void kill_channel(DBDMA_channel *ch) @@ -371,7 +371,8 @@ static void load_word(DBDMA_channel *ch, int key, uint32_t addr, return; } - dma_memory_read(&address_space_memory, addr, ¤t->cmd_dep, len); + dma_memory_read(&address_space_memory, addr, ¤t->cmd_dep, len, + MEMTXATTRS_UNSPECIFIED); if (conditional_wait(ch)) goto wait; @@ -403,7 +404,8 @@ static void store_word(DBDMA_channel *ch, int key, uint32_t addr, return; } - dma_memory_write(&address_space_memory, addr, ¤t->cmd_dep, len); + dma_memory_write(&address_space_memory, addr, ¤t->cmd_dep, len, + MEMTXATTRS_UNSPECIFIED); if (conditional_wait(ch)) goto wait; diff --git a/hw/net/allwinner-sun8i-emac.c b/hw/net/allwinner-sun8i-emac.c index 38d328587e..5189ad7752 100644 --- a/hw/net/allwinner-sun8i-emac.c +++ b/hw/net/allwinner-sun8i-emac.c @@ -345,7 +345,8 @@ static uint32_t allwinner_sun8i_emac_next_desc(AwSun8iEmacState *s, { uint32_t paddr = desc->next; - dma_memory_read(&s->dma_as, paddr, desc, sizeof(*desc)); + dma_memory_read(&s->dma_as, paddr, desc, sizeof(*desc), + MEMTXATTRS_UNSPECIFIED); if ((desc->status & DESC_STATUS_CTL) && (desc->status2 & DESC_STATUS2_BUF_SIZE_MASK) >= min_size) { @@ -364,7 +365,8 @@ static uint32_t allwinner_sun8i_emac_get_desc(AwSun8iEmacState *s, /* Note that the list is a cycle. Last entry points back to the head. */ while (desc_addr != 0) { - dma_memory_read(&s->dma_as, desc_addr, desc, sizeof(*desc)); + dma_memory_read(&s->dma_as, desc_addr, desc, sizeof(*desc), + MEMTXATTRS_UNSPECIFIED); if ((desc->status & DESC_STATUS_CTL) && (desc->status2 & DESC_STATUS2_BUF_SIZE_MASK) >= min_size) { @@ -397,7 +399,8 @@ static void allwinner_sun8i_emac_flush_desc(AwSun8iEmacState *s, FrameDescriptor *desc, uint32_t phys_addr) { - dma_memory_write(&s->dma_as, phys_addr, desc, sizeof(*desc)); + dma_memory_write(&s->dma_as, phys_addr, desc, sizeof(*desc), + MEMTXATTRS_UNSPECIFIED); } static bool allwinner_sun8i_emac_can_receive(NetClientState *nc) @@ -455,7 +458,8 @@ static ssize_t allwinner_sun8i_emac_receive(NetClientState *nc, << RX_DESC_STATUS_FRM_LEN_SHIFT; } - dma_memory_write(&s->dma_as, desc.addr, buf, desc_bytes); + dma_memory_write(&s->dma_as, desc.addr, buf, desc_bytes, + MEMTXATTRS_UNSPECIFIED); allwinner_sun8i_emac_flush_desc(s, &desc, s->rx_desc_curr); trace_allwinner_sun8i_emac_receive(s->rx_desc_curr, desc.addr, desc_bytes); @@ -506,7 +510,8 @@ static void allwinner_sun8i_emac_transmit(AwSun8iEmacState *s) desc.status |= TX_DESC_STATUS_LENGTH_ERR; break; } - dma_memory_read(&s->dma_as, desc.addr, packet_buf + packet_bytes, bytes); + dma_memory_read(&s->dma_as, desc.addr, packet_buf + packet_bytes, + bytes, MEMTXATTRS_UNSPECIFIED); packet_bytes += bytes; desc.status &= ~DESC_STATUS_CTL; allwinner_sun8i_emac_flush_desc(s, &desc, s->tx_desc_curr); @@ -628,7 +633,8 @@ static uint64_t allwinner_sun8i_emac_read(void *opaque, hwaddr offset, break; case REG_TX_CUR_BUF: /* Transmit Current Buffer */ if (s->tx_desc_curr != 0) { - dma_memory_read(&s->dma_as, s->tx_desc_curr, &desc, sizeof(desc)); + dma_memory_read(&s->dma_as, s->tx_desc_curr, &desc, sizeof(desc), + MEMTXATTRS_UNSPECIFIED); value = desc.addr; } else { value = 0; @@ -641,7 +647,8 @@ static uint64_t allwinner_sun8i_emac_read(void *opaque, hwaddr offset, break; case REG_RX_CUR_BUF: /* Receive Current Buffer */ if (s->rx_desc_curr != 0) { - dma_memory_read(&s->dma_as, s->rx_desc_curr, &desc, sizeof(desc)); + dma_memory_read(&s->dma_as, s->rx_desc_curr, &desc, sizeof(desc), + MEMTXATTRS_UNSPECIFIED); value = desc.addr; } else { value = 0; diff --git a/hw/net/ftgmac100.c b/hw/net/ftgmac100.c index 782ff192ce..ee2da50094 100644 --- a/hw/net/ftgmac100.c +++ b/hw/net/ftgmac100.c @@ -453,7 +453,8 @@ static void do_phy_ctl(FTGMAC100State *s) static int ftgmac100_read_bd(FTGMAC100Desc *bd, dma_addr_t addr) { - if (dma_memory_read(&address_space_memory, addr, bd, sizeof(*bd))) { + if (dma_memory_read(&address_space_memory, addr, + bd, sizeof(*bd), MEMTXATTRS_UNSPECIFIED)) { qemu_log_mask(LOG_GUEST_ERROR, "%s: failed to read descriptor @ 0x%" HWADDR_PRIx "\n", __func__, addr); return -1; @@ -473,7 +474,8 @@ static int ftgmac100_write_bd(FTGMAC100Desc *bd, dma_addr_t addr) lebd.des1 = cpu_to_le32(bd->des1); lebd.des2 = cpu_to_le32(bd->des2); lebd.des3 = cpu_to_le32(bd->des3); - if (dma_memory_write(&address_space_memory, addr, &lebd, sizeof(lebd))) { + if (dma_memory_write(&address_space_memory, addr, + &lebd, sizeof(lebd), MEMTXATTRS_UNSPECIFIED)) { qemu_log_mask(LOG_GUEST_ERROR, "%s: failed to write descriptor @ 0x%" HWADDR_PRIx "\n", __func__, addr); return -1; @@ -554,7 +556,8 @@ static void ftgmac100_do_tx(FTGMAC100State *s, uint32_t tx_ring, len = sizeof(s->frame) - frame_size; } - if (dma_memory_read(&address_space_memory, bd.des3, ptr, len)) { + if (dma_memory_read(&address_space_memory, bd.des3, + ptr, len, MEMTXATTRS_UNSPECIFIED)) { qemu_log_mask(LOG_GUEST_ERROR, "%s: failed to read packet @ 0x%x\n", __func__, bd.des3); s->isr |= FTGMAC100_INT_AHB_ERR; @@ -1019,20 +1022,24 @@ static ssize_t ftgmac100_receive(NetClientState *nc, const uint8_t *buf, bd.des1 = lduw_be_p(buf + 14) | FTGMAC100_RXDES1_VLANTAG_AVAIL; if (s->maccr & FTGMAC100_MACCR_RM_VLAN) { - dma_memory_write(&address_space_memory, buf_addr, buf, 12); - dma_memory_write(&address_space_memory, buf_addr + 12, buf + 16, - buf_len - 16); + dma_memory_write(&address_space_memory, buf_addr, buf, 12, + MEMTXATTRS_UNSPECIFIED); + dma_memory_write(&address_space_memory, buf_addr + 12, + buf + 16, buf_len - 16, + MEMTXATTRS_UNSPECIFIED); } else { - dma_memory_write(&address_space_memory, buf_addr, buf, buf_len); + dma_memory_write(&address_space_memory, buf_addr, buf, + buf_len, MEMTXATTRS_UNSPECIFIED); } } else { bd.des1 = 0; - dma_memory_write(&address_space_memory, buf_addr, buf, buf_len); + dma_memory_write(&address_space_memory, buf_addr, buf, buf_len, + MEMTXATTRS_UNSPECIFIED); } buf += buf_len; if (size < 4) { dma_memory_write(&address_space_memory, buf_addr + buf_len, - crc_ptr, 4 - size); + crc_ptr, 4 - size, MEMTXATTRS_UNSPECIFIED); crc_ptr += 4 - size; } diff --git a/hw/net/imx_fec.c b/hw/net/imx_fec.c index 2c14804041..ff4c345f09 100644 --- a/hw/net/imx_fec.c +++ b/hw/net/imx_fec.c @@ -389,19 +389,22 @@ static void imx_phy_write(IMXFECState *s, int reg, uint32_t val) static void imx_fec_read_bd(IMXFECBufDesc *bd, dma_addr_t addr) { - dma_memory_read(&address_space_memory, addr, bd, sizeof(*bd)); + dma_memory_read(&address_space_memory, addr, bd, sizeof(*bd), + MEMTXATTRS_UNSPECIFIED); trace_imx_fec_read_bd(addr, bd->flags, bd->length, bd->data); } static void imx_fec_write_bd(IMXFECBufDesc *bd, dma_addr_t addr) { - dma_memory_write(&address_space_memory, addr, bd, sizeof(*bd)); + dma_memory_write(&address_space_memory, addr, bd, sizeof(*bd), + MEMTXATTRS_UNSPECIFIED); } static void imx_enet_read_bd(IMXENETBufDesc *bd, dma_addr_t addr) { - dma_memory_read(&address_space_memory, addr, bd, sizeof(*bd)); + dma_memory_read(&address_space_memory, addr, bd, sizeof(*bd), + MEMTXATTRS_UNSPECIFIED); trace_imx_enet_read_bd(addr, bd->flags, bd->length, bd->data, bd->option, bd->status); @@ -409,7 +412,8 @@ static void imx_enet_read_bd(IMXENETBufDesc *bd, dma_addr_t addr) static void imx_enet_write_bd(IMXENETBufDesc *bd, dma_addr_t addr) { - dma_memory_write(&address_space_memory, addr, bd, sizeof(*bd)); + dma_memory_write(&address_space_memory, addr, bd, sizeof(*bd), + MEMTXATTRS_UNSPECIFIED); } static void imx_eth_update(IMXFECState *s) @@ -476,7 +480,8 @@ static void imx_fec_do_tx(IMXFECState *s) len = ENET_MAX_FRAME_SIZE - frame_size; s->regs[ENET_EIR] |= ENET_INT_BABT; } - dma_memory_read(&address_space_memory, bd.data, ptr, len); + dma_memory_read(&address_space_memory, bd.data, ptr, len, + MEMTXATTRS_UNSPECIFIED); ptr += len; frame_size += len; if (bd.flags & ENET_BD_L) { @@ -557,7 +562,8 @@ static void imx_enet_do_tx(IMXFECState *s, uint32_t index) len = ENET_MAX_FRAME_SIZE - frame_size; s->regs[ENET_EIR] |= ENET_INT_BABT; } - dma_memory_read(&address_space_memory, bd.data, ptr, len); + dma_memory_read(&address_space_memory, bd.data, ptr, len, + MEMTXATTRS_UNSPECIFIED); ptr += len; frame_size += len; if (bd.flags & ENET_BD_L) { @@ -1109,11 +1115,12 @@ static ssize_t imx_fec_receive(NetClientState *nc, const uint8_t *buf, buf_len += size - 4; } buf_addr = bd.data; - dma_memory_write(&address_space_memory, buf_addr, buf, buf_len); + dma_memory_write(&address_space_memory, buf_addr, buf, buf_len, + MEMTXATTRS_UNSPECIFIED); buf += buf_len; if (size < 4) { dma_memory_write(&address_space_memory, buf_addr + buf_len, - crc_ptr, 4 - size); + crc_ptr, 4 - size, MEMTXATTRS_UNSPECIFIED); crc_ptr += 4 - size; } bd.flags &= ~ENET_BD_E; @@ -1216,8 +1223,8 @@ static ssize_t imx_enet_receive(NetClientState *nc, const uint8_t *buf, */ const uint8_t zeros[2] = { 0 }; - dma_memory_write(&address_space_memory, buf_addr, - zeros, sizeof(zeros)); + dma_memory_write(&address_space_memory, buf_addr, zeros, + sizeof(zeros), MEMTXATTRS_UNSPECIFIED); buf_addr += sizeof(zeros); buf_len -= sizeof(zeros); @@ -1226,11 +1233,12 @@ static ssize_t imx_enet_receive(NetClientState *nc, const uint8_t *buf, shift16 = false; } - dma_memory_write(&address_space_memory, buf_addr, buf, buf_len); + dma_memory_write(&address_space_memory, buf_addr, buf, buf_len, + MEMTXATTRS_UNSPECIFIED); buf += buf_len; if (size < 4) { dma_memory_write(&address_space_memory, buf_addr + buf_len, - crc_ptr, 4 - size); + crc_ptr, 4 - size, MEMTXATTRS_UNSPECIFIED); crc_ptr += 4 - size; } bd.flags &= ~ENET_BD_E; diff --git a/hw/nvram/fw_cfg.c b/hw/nvram/fw_cfg.c index b10e05f527..b18f3a1598 100644 --- a/hw/nvram/fw_cfg.c +++ b/hw/nvram/fw_cfg.c @@ -355,7 +355,8 @@ static void fw_cfg_dma_transfer(FWCfgState *s) dma_addr = s->dma_addr; s->dma_addr = 0; - if (dma_memory_read(s->dma_as, dma_addr, &dma, sizeof(dma))) { + if (dma_memory_read(s->dma_as, dma_addr, + &dma, sizeof(dma), MEMTXATTRS_UNSPECIFIED)) { stl_be_dma(s->dma_as, dma_addr + offsetof(FWCfgDmaAccess, control), FW_CFG_DMA_CTL_ERROR); return; @@ -417,7 +418,8 @@ static void fw_cfg_dma_transfer(FWCfgState *s) */ if (read) { if (dma_memory_write(s->dma_as, dma.address, - &e->data[s->cur_offset], len)) { + &e->data[s->cur_offset], len, + MEMTXATTRS_UNSPECIFIED)) { dma.control |= FW_CFG_DMA_CTL_ERROR; } } @@ -425,7 +427,8 @@ static void fw_cfg_dma_transfer(FWCfgState *s) if (!e->allow_write || len != dma.length || dma_memory_read(s->dma_as, dma.address, - &e->data[s->cur_offset], len)) { + &e->data[s->cur_offset], len, + MEMTXATTRS_UNSPECIFIED)) { dma.control |= FW_CFG_DMA_CTL_ERROR; } else if (e->write_cb) { e->write_cb(e->callback_opaque, s->cur_offset, len); diff --git a/hw/pci-host/pnv_phb3.c b/hw/pci-host/pnv_phb3.c index a7f9685005..947efa77dc 100644 --- a/hw/pci-host/pnv_phb3.c +++ b/hw/pci-host/pnv_phb3.c @@ -715,7 +715,8 @@ static bool pnv_phb3_resolve_pe(PnvPhb3DMASpace *ds) bus_num = pci_bus_num(ds->bus); addr = rtt & PHB_RTT_BASE_ADDRESS_MASK; addr += 2 * ((bus_num << 8) | ds->devfn); - if (dma_memory_read(&address_space_memory, addr, &rte, sizeof(rte))) { + if (dma_memory_read(&address_space_memory, addr, &rte, + sizeof(rte), MEMTXATTRS_UNSPECIFIED)) { phb3_error(ds->phb, "Failed to read RTT entry at 0x%"PRIx64, addr); /* Set error bits ? fence ? ... */ return false; @@ -794,7 +795,7 @@ static void pnv_phb3_translate_tve(PnvPhb3DMASpace *ds, hwaddr addr, /* Grab the TCE address */ taddr = base | (((addr >> sh) & ((1ul << tbl_shift) - 1)) << 3); if (dma_memory_read(&address_space_memory, taddr, &tce, - sizeof(tce))) { + sizeof(tce), MEMTXATTRS_UNSPECIFIED)) { phb3_error(phb, "Failed to read TCE at 0x%"PRIx64, taddr); return; } diff --git a/hw/pci-host/pnv_phb3_msi.c b/hw/pci-host/pnv_phb3_msi.c index 099d2092a2..8bcbc2cc4f 100644 --- a/hw/pci-host/pnv_phb3_msi.c +++ b/hw/pci-host/pnv_phb3_msi.c @@ -53,7 +53,8 @@ static bool phb3_msi_read_ive(PnvPHB3 *phb, int srcno, uint64_t *out_ive) return false; } - if (dma_memory_read(&address_space_memory, ive_addr, &ive, sizeof(ive))) { + if (dma_memory_read(&address_space_memory, ive_addr, + &ive, sizeof(ive), MEMTXATTRS_UNSPECIFIED)) { qemu_log_mask(LOG_GUEST_ERROR, "Failed to read IVE at 0x%" PRIx64, ive_addr); return false; @@ -73,7 +74,8 @@ static void phb3_msi_set_p(Phb3MsiState *msi, int srcno, uint8_t gen) return; } - if (dma_memory_write(&address_space_memory, ive_addr + 4, &p, 1)) { + if (dma_memory_write(&address_space_memory, ive_addr + 4, + &p, 1, MEMTXATTRS_UNSPECIFIED)) { qemu_log_mask(LOG_GUEST_ERROR, "Failed to write IVE (set P) at 0x%" PRIx64, ive_addr); } @@ -89,7 +91,8 @@ static void phb3_msi_set_q(Phb3MsiState *msi, int srcno) return; } - if (dma_memory_write(&address_space_memory, ive_addr + 5, &q, 1)) { + if (dma_memory_write(&address_space_memory, ive_addr + 5, + &q, 1, MEMTXATTRS_UNSPECIFIED)) { qemu_log_mask(LOG_GUEST_ERROR, "Failed to write IVE (set Q) at 0x%" PRIx64, ive_addr); } diff --git a/hw/pci-host/pnv_phb4.c b/hw/pci-host/pnv_phb4.c index 03daf40a23..2a782182f5 100644 --- a/hw/pci-host/pnv_phb4.c +++ b/hw/pci-host/pnv_phb4.c @@ -890,7 +890,8 @@ static bool pnv_phb4_resolve_pe(PnvPhb4DMASpace *ds) bus_num = pci_bus_num(ds->bus); addr = rtt & PHB_RTT_BASE_ADDRESS_MASK; addr += 2 * ((bus_num << 8) | ds->devfn); - if (dma_memory_read(&address_space_memory, addr, &rte, sizeof(rte))) { + if (dma_memory_read(&address_space_memory, addr, + &rte, sizeof(rte), MEMTXATTRS_UNSPECIFIED)) { phb_error(ds->phb, "Failed to read RTT entry at 0x%"PRIx64, addr); /* Set error bits ? fence ? ... */ return false; @@ -959,8 +960,8 @@ static void pnv_phb4_translate_tve(PnvPhb4DMASpace *ds, hwaddr addr, while ((lev--) >= 0) { /* Grab the TCE address */ taddr = base | (((addr >> sh) & ((1ul << tbl_shift) - 1)) << 3); - if (dma_memory_read(&address_space_memory, taddr, &tce, - sizeof(tce))) { + if (dma_memory_read(&address_space_memory, taddr, + &tce, sizeof(tce), MEMTXATTRS_UNSPECIFIED)) { phb_error(ds->phb, "Failed to read TCE at 0x%"PRIx64, taddr); return; } diff --git a/hw/sd/allwinner-sdhost.c b/hw/sd/allwinner-sdhost.c index bea6d97ef8..f2db73025d 100644 --- a/hw/sd/allwinner-sdhost.c +++ b/hw/sd/allwinner-sdhost.c @@ -311,7 +311,8 @@ static uint32_t allwinner_sdhost_process_desc(AwSdHostState *s, uint8_t buf[1024]; /* Read descriptor */ - dma_memory_read(&s->dma_as, desc_addr, desc, sizeof(*desc)); + dma_memory_read(&s->dma_as, desc_addr, desc, sizeof(*desc), + MEMTXATTRS_UNSPECIFIED); if (desc->size == 0) { desc->size = klass->max_desc_size; } else if (desc->size > klass->max_desc_size) { @@ -337,23 +338,24 @@ static uint32_t allwinner_sdhost_process_desc(AwSdHostState *s, /* Write to SD bus */ if (is_write) { dma_memory_read(&s->dma_as, - (desc->addr & DESC_SIZE_MASK) + num_done, - buf, buf_bytes); + (desc->addr & DESC_SIZE_MASK) + num_done, buf, + buf_bytes, MEMTXATTRS_UNSPECIFIED); sdbus_write_data(&s->sdbus, buf, buf_bytes); /* Read from SD bus */ } else { sdbus_read_data(&s->sdbus, buf, buf_bytes); dma_memory_write(&s->dma_as, - (desc->addr & DESC_SIZE_MASK) + num_done, - buf, buf_bytes); + (desc->addr & DESC_SIZE_MASK) + num_done, buf, + buf_bytes, MEMTXATTRS_UNSPECIFIED); } num_done += buf_bytes; } /* Clear hold flag and flush descriptor */ desc->status &= ~DESC_STATUS_HOLD; - dma_memory_write(&s->dma_as, desc_addr, desc, sizeof(*desc)); + dma_memory_write(&s->dma_as, desc_addr, desc, sizeof(*desc), + MEMTXATTRS_UNSPECIFIED); return num_done; } diff --git a/hw/sd/sdhci.c b/hw/sd/sdhci.c index 6900213083..cf66d0815a 100644 --- a/hw/sd/sdhci.c +++ b/hw/sd/sdhci.c @@ -607,8 +607,8 @@ static void sdhci_sdma_transfer_multi_blocks(SDHCIState *s) s->blkcnt--; } } - dma_memory_write(s->dma_as, s->sdmasysad, - &s->fifo_buffer[begin], s->data_count - begin); + dma_memory_write(s->dma_as, s->sdmasysad, &s->fifo_buffer[begin], + s->data_count - begin, MEMTXATTRS_UNSPECIFIED); s->sdmasysad += s->data_count - begin; if (s->data_count == block_size) { s->data_count = 0; @@ -629,8 +629,8 @@ static void sdhci_sdma_transfer_multi_blocks(SDHCIState *s) s->data_count = block_size; boundary_count -= block_size - begin; } - dma_memory_read(s->dma_as, s->sdmasysad, - &s->fifo_buffer[begin], s->data_count - begin); + dma_memory_read(s->dma_as, s->sdmasysad, &s->fifo_buffer[begin], + s->data_count - begin, MEMTXATTRS_UNSPECIFIED); s->sdmasysad += s->data_count - begin; if (s->data_count == block_size) { sdbus_write_data(&s->sdbus, s->fifo_buffer, block_size); @@ -662,9 +662,11 @@ static void sdhci_sdma_transfer_single_block(SDHCIState *s) if (s->trnmod & SDHC_TRNS_READ) { sdbus_read_data(&s->sdbus, s->fifo_buffer, datacnt); - dma_memory_write(s->dma_as, s->sdmasysad, s->fifo_buffer, datacnt); + dma_memory_write(s->dma_as, s->sdmasysad, s->fifo_buffer, datacnt, + MEMTXATTRS_UNSPECIFIED); } else { - dma_memory_read(s->dma_as, s->sdmasysad, s->fifo_buffer, datacnt); + dma_memory_read(s->dma_as, s->sdmasysad, s->fifo_buffer, datacnt, + MEMTXATTRS_UNSPECIFIED); sdbus_write_data(&s->sdbus, s->fifo_buffer, datacnt); } s->blkcnt--; @@ -686,7 +688,8 @@ static void get_adma_description(SDHCIState *s, ADMADescr *dscr) hwaddr entry_addr = (hwaddr)s->admasysaddr; switch (SDHC_DMA_TYPE(s->hostctl1)) { case SDHC_CTRL_ADMA2_32: - dma_memory_read(s->dma_as, entry_addr, &adma2, sizeof(adma2)); + dma_memory_read(s->dma_as, entry_addr, &adma2, sizeof(adma2), + MEMTXATTRS_UNSPECIFIED); adma2 = le64_to_cpu(adma2); /* The spec does not specify endianness of descriptor table. * We currently assume that it is LE. @@ -697,7 +700,8 @@ static void get_adma_description(SDHCIState *s, ADMADescr *dscr) dscr->incr = 8; break; case SDHC_CTRL_ADMA1_32: - dma_memory_read(s->dma_as, entry_addr, &adma1, sizeof(adma1)); + dma_memory_read(s->dma_as, entry_addr, &adma1, sizeof(adma1), + MEMTXATTRS_UNSPECIFIED); adma1 = le32_to_cpu(adma1); dscr->addr = (hwaddr)(adma1 & 0xFFFFF000); dscr->attr = (uint8_t)extract32(adma1, 0, 7); @@ -709,10 +713,13 @@ static void get_adma_description(SDHCIState *s, ADMADescr *dscr) } break; case SDHC_CTRL_ADMA2_64: - dma_memory_read(s->dma_as, entry_addr, &dscr->attr, 1); - dma_memory_read(s->dma_as, entry_addr + 2, &dscr->length, 2); + dma_memory_read(s->dma_as, entry_addr, &dscr->attr, 1, + MEMTXATTRS_UNSPECIFIED); + dma_memory_read(s->dma_as, entry_addr + 2, &dscr->length, 2, + MEMTXATTRS_UNSPECIFIED); dscr->length = le16_to_cpu(dscr->length); - dma_memory_read(s->dma_as, entry_addr + 4, &dscr->addr, 8); + dma_memory_read(s->dma_as, entry_addr + 4, &dscr->addr, 8, + MEMTXATTRS_UNSPECIFIED); dscr->addr = le64_to_cpu(dscr->addr); dscr->attr &= (uint8_t) ~0xC0; dscr->incr = 12; @@ -770,7 +777,8 @@ static void sdhci_do_adma(SDHCIState *s) } dma_memory_write(s->dma_as, dscr.addr, &s->fifo_buffer[begin], - s->data_count - begin); + s->data_count - begin, + MEMTXATTRS_UNSPECIFIED); dscr.addr += s->data_count - begin; if (s->data_count == block_size) { s->data_count = 0; @@ -794,7 +802,8 @@ static void sdhci_do_adma(SDHCIState *s) } dma_memory_read(s->dma_as, dscr.addr, &s->fifo_buffer[begin], - s->data_count - begin); + s->data_count - begin, + MEMTXATTRS_UNSPECIFIED); dscr.addr += s->data_count - begin; if (s->data_count == block_size) { sdbus_write_data(&s->sdbus, s->fifo_buffer, block_size); diff --git a/hw/usb/hcd-dwc2.c b/hw/usb/hcd-dwc2.c index 97688d21bf..fe684f92b7 100644 --- a/hw/usb/hcd-dwc2.c +++ b/hw/usb/hcd-dwc2.c @@ -261,8 +261,8 @@ static void dwc2_handle_packet(DWC2State *s, uint32_t devadr, USBDevice *dev, if (pid != USB_TOKEN_IN) { trace_usb_dwc2_memory_read(hcdma, tlen); - if (dma_memory_read(&s->dma_as, hcdma, - s->usb_buf[chan], tlen) != MEMTX_OK) { + if (dma_memory_read(&s->dma_as, hcdma, s->usb_buf[chan], tlen, + MEMTXATTRS_UNSPECIFIED) != MEMTX_OK) { qemu_log_mask(LOG_GUEST_ERROR, "%s: dma_memory_read failed\n", __func__); } @@ -317,8 +317,8 @@ babble: if (pid == USB_TOKEN_IN) { trace_usb_dwc2_memory_write(hcdma, actual); - if (dma_memory_write(&s->dma_as, hcdma, s->usb_buf[chan], - actual) != MEMTX_OK) { + if (dma_memory_write(&s->dma_as, hcdma, s->usb_buf[chan], actual, + MEMTXATTRS_UNSPECIFIED) != MEMTX_OK) { qemu_log_mask(LOG_GUEST_ERROR, "%s: dma_memory_write failed\n", __func__); } diff --git a/hw/usb/hcd-ehci.c b/hw/usb/hcd-ehci.c index 2b995443fb..03ea5279f9 100644 --- a/hw/usb/hcd-ehci.c +++ b/hw/usb/hcd-ehci.c @@ -383,7 +383,8 @@ static inline int get_dwords(EHCIState *ehci, uint32_t addr, } for (i = 0; i < num; i++, buf++, addr += sizeof(*buf)) { - dma_memory_read(ehci->as, addr, buf, sizeof(*buf)); + dma_memory_read(ehci->as, addr, buf, sizeof(*buf), + MEMTXATTRS_UNSPECIFIED); *buf = le32_to_cpu(*buf); } @@ -405,7 +406,8 @@ static inline int put_dwords(EHCIState *ehci, uint32_t addr, for (i = 0; i < num; i++, buf++, addr += sizeof(*buf)) { uint32_t tmp = cpu_to_le32(*buf); - dma_memory_write(ehci->as, addr, &tmp, sizeof(tmp)); + dma_memory_write(ehci->as, addr, &tmp, sizeof(tmp), + MEMTXATTRS_UNSPECIFIED); } return num; diff --git a/hw/usb/hcd-ohci.c b/hw/usb/hcd-ohci.c index 67a92153e9..b1e61cbc63 100644 --- a/hw/usb/hcd-ohci.c +++ b/hw/usb/hcd-ohci.c @@ -452,7 +452,8 @@ static inline int get_dwords(OHCIState *ohci, addr += ohci->localmem_base; for (i = 0; i < num; i++, buf++, addr += sizeof(*buf)) { - if (dma_memory_read(ohci->as, addr, buf, sizeof(*buf))) { + if (dma_memory_read(ohci->as, addr, + buf, sizeof(*buf), MEMTXATTRS_UNSPECIFIED)) { return -1; } *buf = le32_to_cpu(*buf); @@ -471,7 +472,8 @@ static inline int put_dwords(OHCIState *ohci, for (i = 0; i < num; i++, buf++, addr += sizeof(*buf)) { uint32_t tmp = cpu_to_le32(*buf); - if (dma_memory_write(ohci->as, addr, &tmp, sizeof(tmp))) { + if (dma_memory_write(ohci->as, addr, + &tmp, sizeof(tmp), MEMTXATTRS_UNSPECIFIED)) { return -1; } } @@ -488,7 +490,8 @@ static inline int get_words(OHCIState *ohci, addr += ohci->localmem_base; for (i = 0; i < num; i++, buf++, addr += sizeof(*buf)) { - if (dma_memory_read(ohci->as, addr, buf, sizeof(*buf))) { + if (dma_memory_read(ohci->as, addr, + buf, sizeof(*buf), MEMTXATTRS_UNSPECIFIED)) { return -1; } *buf = le16_to_cpu(*buf); @@ -507,7 +510,8 @@ static inline int put_words(OHCIState *ohci, for (i = 0; i < num; i++, buf++, addr += sizeof(*buf)) { uint16_t tmp = cpu_to_le16(*buf); - if (dma_memory_write(ohci->as, addr, &tmp, sizeof(tmp))) { + if (dma_memory_write(ohci->as, addr, + &tmp, sizeof(tmp), MEMTXATTRS_UNSPECIFIED)) { return -1; } } @@ -537,8 +541,8 @@ static inline int ohci_read_iso_td(OHCIState *ohci, static inline int ohci_read_hcca(OHCIState *ohci, dma_addr_t addr, struct ohci_hcca *hcca) { - return dma_memory_read(ohci->as, addr + ohci->localmem_base, - hcca, sizeof(*hcca)); + return dma_memory_read(ohci->as, addr + ohci->localmem_base, hcca, + sizeof(*hcca), MEMTXATTRS_UNSPECIFIED); } static inline int ohci_put_ed(OHCIState *ohci, @@ -572,7 +576,7 @@ static inline int ohci_put_hcca(OHCIState *ohci, return dma_memory_write(ohci->as, addr + ohci->localmem_base + HCCA_WRITEBACK_OFFSET, (char *)hcca + HCCA_WRITEBACK_OFFSET, - HCCA_WRITEBACK_SIZE); + HCCA_WRITEBACK_SIZE, MEMTXATTRS_UNSPECIFIED); } /* Read/Write the contents of a TD from/to main memory. */ diff --git a/hw/usb/hcd-xhci.c b/hw/usb/hcd-xhci.c index 5e8bed9ef9..edbcc9d78d 100644 --- a/hw/usb/hcd-xhci.c +++ b/hw/usb/hcd-xhci.c @@ -489,7 +489,7 @@ static inline void xhci_dma_read_u32s(XHCIState *xhci, dma_addr_t addr, assert((len % sizeof(uint32_t)) == 0); - dma_memory_read(xhci->as, addr, buf, len); + dma_memory_read(xhci->as, addr, buf, len, MEMTXATTRS_UNSPECIFIED); for (i = 0; i < (len / sizeof(uint32_t)); i++) { buf[i] = le32_to_cpu(buf[i]); @@ -509,7 +509,7 @@ static inline void xhci_dma_write_u32s(XHCIState *xhci, dma_addr_t addr, for (i = 0; i < n; i++) { tmp[i] = cpu_to_le32(buf[i]); } - dma_memory_write(xhci->as, addr, tmp, len); + dma_memory_write(xhci->as, addr, tmp, len, MEMTXATTRS_UNSPECIFIED); } static XHCIPort *xhci_lookup_port(XHCIState *xhci, struct USBPort *uport) @@ -616,7 +616,7 @@ static void xhci_write_event(XHCIState *xhci, XHCIEvent *event, int v) ev_trb.status, ev_trb.control); addr = intr->er_start + TRB_SIZE*intr->er_ep_idx; - dma_memory_write(xhci->as, addr, &ev_trb, TRB_SIZE); + dma_memory_write(xhci->as, addr, &ev_trb, TRB_SIZE, MEMTXATTRS_UNSPECIFIED); intr->er_ep_idx++; if (intr->er_ep_idx >= intr->er_size) { @@ -677,7 +677,8 @@ static TRBType xhci_ring_fetch(XHCIState *xhci, XHCIRing *ring, XHCITRB *trb, while (1) { TRBType type; - dma_memory_read(xhci->as, ring->dequeue, trb, TRB_SIZE); + dma_memory_read(xhci->as, ring->dequeue, trb, TRB_SIZE, + MEMTXATTRS_UNSPECIFIED); trb->addr = ring->dequeue; trb->ccs = ring->ccs; le64_to_cpus(&trb->parameter); @@ -724,7 +725,8 @@ static int xhci_ring_chain_length(XHCIState *xhci, const XHCIRing *ring) while (1) { TRBType type; - dma_memory_read(xhci->as, dequeue, &trb, TRB_SIZE); + dma_memory_read(xhci->as, dequeue, &trb, TRB_SIZE, + MEMTXATTRS_UNSPECIFIED); le64_to_cpus(&trb.parameter); le32_to_cpus(&trb.status); le32_to_cpus(&trb.control); @@ -779,7 +781,8 @@ static void xhci_er_reset(XHCIState *xhci, int v) xhci_die(xhci); return; } - dma_memory_read(xhci->as, erstba, &seg, sizeof(seg)); + dma_memory_read(xhci->as, erstba, &seg, sizeof(seg), + MEMTXATTRS_UNSPECIFIED); le32_to_cpus(&seg.addr_low); le32_to_cpus(&seg.addr_high); le32_to_cpus(&seg.size); @@ -2393,7 +2396,8 @@ static TRBCCode xhci_get_port_bandwidth(XHCIState *xhci, uint64_t pctx) /* TODO: actually implement real values here */ bw_ctx[0] = 0; memset(&bw_ctx[1], 80, xhci->numports); /* 80% */ - dma_memory_write(xhci->as, ctx, bw_ctx, sizeof(bw_ctx)); + dma_memory_write(xhci->as, ctx, bw_ctx, sizeof(bw_ctx), + MEMTXATTRS_UNSPECIFIED); return CC_SUCCESS; } From patchwork Thu Oct 1 17:25:16 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= X-Patchwork-Id: 303890 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=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, 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 156BCC4727E for ; Thu, 1 Oct 2020 17:53:02 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 8C74F2311C for ; 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[83.53.161.74]) by smtp.gmail.com with ESMTPSA id o129sm944676wmb.25.2020.10.01.10.26.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 01 Oct 2020 10:26:24 -0700 (PDT) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH RESEND v2 13/16] dma: Let dma_memory_map() take MemTxAttrs argument Date: Thu, 1 Oct 2020 19:25:16 +0200 Message-Id: <20201001172519.1620782-14-philmd@redhat.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201001172519.1620782-1-philmd@redhat.com> References: <20201001172519.1620782-1-philmd@redhat.com> MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=philmd@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=216.205.24.124; envelope-from=philmd@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/01 04:25:37 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Paolo Bonzini Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Let devices specify transaction attributes when calling dma_memory_map(). Patch created mechanically using spatch with this script: @@ expression E1, E2, E3, E4; @@ - dma_memory_map(E1, E2, E3, E4) + dma_memory_map(E1, E2, E3, E4, MEMTXATTRS_UNSPECIFIED) Reviewed-by: Richard Henderson Reviewed-by: Li Qiang Reviewed-by: Edgar E. Iglesias Signed-off-by: Philippe Mathieu-Daudé --- include/hw/pci/pci.h | 3 ++- include/sysemu/dma.h | 5 +++-- dma-helpers.c | 3 ++- hw/display/virtio-gpu.c | 8 ++++++-- hw/hyperv/vmbus.c | 8 +++++--- hw/ide/ahci.c | 9 ++++++--- hw/usb/libhw.c | 3 ++- hw/virtio/virtio.c | 6 ++++-- 8 files changed, 30 insertions(+), 15 deletions(-) diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h index 8f23a24cf9..dc1799b519 100644 --- a/include/hw/pci/pci.h +++ b/include/hw/pci/pci.h @@ -826,7 +826,8 @@ static inline void *pci_dma_map(PCIDevice *dev, dma_addr_t addr, { void *buf; - buf = dma_memory_map(pci_get_address_space(dev), addr, plen, dir); + buf = dma_memory_map(pci_get_address_space(dev), addr, plen, dir, + MEMTXATTRS_UNSPECIFIED); return buf; } diff --git a/include/sysemu/dma.h b/include/sysemu/dma.h index 343d755ca1..6524137ecd 100644 --- a/include/sysemu/dma.h +++ b/include/sysemu/dma.h @@ -202,16 +202,17 @@ MemTxResult dma_memory_set(AddressSpace *as, dma_addr_t addr, * @addr: address within that address space * @len: pointer to length of buffer; updated on return * @dir: indicates the transfer direction + * @attrs: memory attributes */ static inline void *dma_memory_map(AddressSpace *as, dma_addr_t addr, dma_addr_t *len, - DMADirection dir) + DMADirection dir, MemTxAttrs attrs) { hwaddr xlen = *len; void *p; p = address_space_map(as, addr, &xlen, dir == DMA_DIRECTION_FROM_DEVICE, - MEMTXATTRS_UNSPECIFIED); + attrs); *len = xlen; return p; } diff --git a/dma-helpers.c b/dma-helpers.c index 6c3b2200f1..0507a6f95b 100644 --- a/dma-helpers.c +++ b/dma-helpers.c @@ -143,7 +143,8 @@ static void dma_blk_cb(void *opaque, int ret) while (dbs->sg_cur_index < dbs->sg->nsg) { cur_addr = dbs->sg->sg[dbs->sg_cur_index].base + dbs->sg_cur_byte; cur_len = dbs->sg->sg[dbs->sg_cur_index].len - dbs->sg_cur_byte; - mem = dma_memory_map(dbs->sg->as, cur_addr, &cur_len, dbs->dir); + mem = dma_memory_map(dbs->sg->as, cur_addr, &cur_len, dbs->dir, + MEMTXATTRS_UNSPECIFIED); /* * Make reads deterministic in icount mode. Windows sometimes issues * disk read requests with overlapping SGs. It leads diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c index f3b71fa9c7..fd0de93111 100644 --- a/hw/display/virtio-gpu.c +++ b/hw/display/virtio-gpu.c @@ -649,7 +649,9 @@ int virtio_gpu_create_mapping_iov(VirtIOGPU *g, uint32_t l = le32_to_cpu(ents[i].length); hwaddr len = l; (*iov)[i].iov_base = dma_memory_map(VIRTIO_DEVICE(g)->dma_as, - a, &len, DMA_DIRECTION_TO_DEVICE); + a, &len, + DMA_DIRECTION_TO_DEVICE, + MEMTXATTRS_UNSPECIFIED); (*iov)[i].iov_len = len; if (addr) { (*addr)[i] = a; @@ -1054,7 +1056,9 @@ static int virtio_gpu_load(QEMUFile *f, void *opaque, size_t size, hwaddr len = res->iov[i].iov_len; res->iov[i].iov_base = dma_memory_map(VIRTIO_DEVICE(g)->dma_as, - res->addrs[i], &len, DMA_DIRECTION_TO_DEVICE); + res->addrs[i], &len, + DMA_DIRECTION_TO_DEVICE, + MEMTXATTRS_UNSPECIFIED); if (!res->iov[i].iov_base || len != res->iov[i].iov_len) { /* Clean up the half-a-mapping we just created... */ diff --git a/hw/hyperv/vmbus.c b/hw/hyperv/vmbus.c index 896e981f85..7447b3745e 100644 --- a/hw/hyperv/vmbus.c +++ b/hw/hyperv/vmbus.c @@ -372,7 +372,8 @@ static ssize_t gpadl_iter_io(GpadlIter *iter, void *buf, uint32_t len) maddr = (iter->gpadl->gfns[idx] << TARGET_PAGE_BITS) | off_in_page; - iter->map = dma_memory_map(iter->as, maddr, &mlen, iter->dir); + iter->map = dma_memory_map(iter->as, maddr, &mlen, iter->dir, + MEMTXATTRS_UNSPECIFIED); if (mlen != pgleft) { dma_memory_unmap(iter->as, iter->map, mlen, iter->dir, 0); iter->map = NULL; @@ -489,7 +490,8 @@ int vmbus_map_sgl(VMBusChanReq *req, DMADirection dir, struct iovec *iov, goto err; } - iov[ret_cnt].iov_base = dma_memory_map(sgl->as, a, &l, dir); + iov[ret_cnt].iov_base = dma_memory_map(sgl->as, a, &l, dir, + MEMTXATTRS_UNSPECIFIED); if (!l) { ret = -EFAULT; goto err; @@ -565,7 +567,7 @@ static vmbus_ring_buffer *ringbuf_map_hdr(VMBusRingBufCommon *ringbuf) dma_addr_t mlen = sizeof(*rb); rb = dma_memory_map(ringbuf->as, ringbuf->rb_addr, &mlen, - DMA_DIRECTION_FROM_DEVICE); + DMA_DIRECTION_FROM_DEVICE, MEMTXATTRS_UNSPECIFIED); if (mlen != sizeof(*rb)) { dma_memory_unmap(ringbuf->as, rb, mlen, DMA_DIRECTION_FROM_DEVICE, 0); diff --git a/hw/ide/ahci.c b/hw/ide/ahci.c index ee1d47ff75..92180b811d 100644 --- a/hw/ide/ahci.c +++ b/hw/ide/ahci.c @@ -249,7 +249,8 @@ static void map_page(AddressSpace *as, uint8_t **ptr, uint64_t addr, dma_memory_unmap(as, *ptr, len, DMA_DIRECTION_FROM_DEVICE, len); } - *ptr = dma_memory_map(as, addr, &len, DMA_DIRECTION_FROM_DEVICE); + *ptr = dma_memory_map(as, addr, &len, DMA_DIRECTION_FROM_DEVICE, + MEMTXATTRS_UNSPECIFIED); if (len < wanted) { dma_memory_unmap(as, *ptr, len, DMA_DIRECTION_FROM_DEVICE, len); *ptr = NULL; @@ -938,7 +939,8 @@ static int ahci_populate_sglist(AHCIDevice *ad, QEMUSGList *sglist, /* map PRDT */ if (!(prdt = dma_memory_map(ad->hba->as, prdt_addr, &prdt_len, - DMA_DIRECTION_TO_DEVICE))){ + DMA_DIRECTION_TO_DEVICE, + MEMTXATTRS_UNSPECIFIED))) { trace_ahci_populate_sglist_no_map(ad->hba, ad->port_no); return -1; } @@ -1299,7 +1301,8 @@ static int handle_cmd(AHCIState *s, int port, uint8_t slot) tbl_addr = le64_to_cpu(cmd->tbl_addr); cmd_len = 0x80; cmd_fis = dma_memory_map(s->as, tbl_addr, &cmd_len, - DMA_DIRECTION_FROM_DEVICE); + DMA_DIRECTION_FROM_DEVICE, + MEMTXATTRS_UNSPECIFIED); if (!cmd_fis) { trace_handle_cmd_badfis(s, port); return -1; diff --git a/hw/usb/libhw.c b/hw/usb/libhw.c index 9c33a1640f..f350eae443 100644 --- a/hw/usb/libhw.c +++ b/hw/usb/libhw.c @@ -36,7 +36,8 @@ int usb_packet_map(USBPacket *p, QEMUSGList *sgl) while (len) { dma_addr_t xlen = len; - mem = dma_memory_map(sgl->as, base, &xlen, dir); + mem = dma_memory_map(sgl->as, base, &xlen, dir, + MEMTXATTRS_UNSPECIFIED); if (!mem) { goto err; } diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c index 6f8f865aff..af85b262b1 100644 --- a/hw/virtio/virtio.c +++ b/hw/virtio/virtio.c @@ -1320,7 +1320,8 @@ static bool virtqueue_map_desc(VirtIODevice *vdev, unsigned int *p_num_sg, iov[num_sg].iov_base = dma_memory_map(vdev->dma_as, pa, &len, is_write ? DMA_DIRECTION_FROM_DEVICE : - DMA_DIRECTION_TO_DEVICE); + DMA_DIRECTION_TO_DEVICE, + MEMTXATTRS_UNSPECIFIED); if (!iov[num_sg].iov_base) { virtio_error(vdev, "virtio: bogus descriptor or out of resources"); goto out; @@ -1369,7 +1370,8 @@ static void virtqueue_map_iovec(VirtIODevice *vdev, struct iovec *sg, sg[i].iov_base = dma_memory_map(vdev->dma_as, addr[i], &len, is_write ? DMA_DIRECTION_FROM_DEVICE : - DMA_DIRECTION_TO_DEVICE); + DMA_DIRECTION_TO_DEVICE, + MEMTXATTRS_UNSPECIFIED); if (!sg[i].iov_base) { error_report("virtio: error trying to map MMIO memory"); exit(1); From patchwork Thu Oct 1 17:25:17 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= X-Patchwork-Id: 272263 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=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, 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 E4541C47423 for ; Thu, 1 Oct 2020 17:50:05 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 5A20620739 for ; Thu, 1 Oct 2020 17:50:05 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="eYGWZab3" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5A20620739 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:59008 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kO2iS-0006MR-D3 for qemu-devel@archiver.kernel.org; Thu, 01 Oct 2020 13:50:04 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:60084) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kO2Lt-0005It-R2 for qemu-devel@nongnu.org; Thu, 01 Oct 2020 13:26:45 -0400 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:21931) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kO2Lr-0004Sx-8c for qemu-devel@nongnu.org; Thu, 01 Oct 2020 13:26:45 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1601573202; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=/PF6nhOiKuc0/NQNRc+aC6XALs0M14l/UELS8Wkj5yQ=; b=eYGWZab3OmQJ5PqryfE+dvXLI1O7V487/Qj1ilgImQ9L38n9aJQA9S021ugz+UoevHbCIU jA/QKe6wcRpdlwmUL1YBJ22ZmVfflxYncK+4ZpjG6O+e4Ep81Rrp6QkUnTxebF+k5+90ey GZXQVbEJ2V/C2bgqp+n1BSZB8jAzwF0= Received: from mail-wr1-f72.google.com (mail-wr1-f72.google.com [209.85.221.72]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-534-8JwQblu7PbOBp5kt77_QYw-1; Thu, 01 Oct 2020 13:26:31 -0400 X-MC-Unique: 8JwQblu7PbOBp5kt77_QYw-1 Received: by mail-wr1-f72.google.com with SMTP id v5so2352146wrr.0 for ; Thu, 01 Oct 2020 10:26:31 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=/PF6nhOiKuc0/NQNRc+aC6XALs0M14l/UELS8Wkj5yQ=; b=Oy+WBgtRJdCnm1M/5dovEgkRVAABl+lqbCSKXr9t0mS7LdVF4Tf05OYEm/qLFV7cbM hUDZz0MjGYao4esT2VuhwBUu3rGa5YESyQs8cPGM/ugPTWjlqRtx9zJTk2FlMExw2Jxc 7e89F6zSp+jAwrRv0P2AQ/M3vyLSkQf5H6i5DwyFKsoNT/tFJmTsOQBqgU/BSgrkc2qS qVhUXuAG2WZ4Z9Zq8s8pk11GyqLa4lpu5cZ/6oje+V39zd4UJHEwvdCfpTridwvLUTZw xOdIaBcoXYVtsIWJFPXEHLRzJXaZdhBqt2+mpun3/paIkHNcDaG4hu6QkZuDRgpf6d3n 3FjQ== X-Gm-Message-State: AOAM533JzvbPK5W8JsnIV8SJ4PY76l+aISTyelQN00WQLnnbT+RlBPnr EKGBwQOpwa2w4kzpSVPAJpAH1zM30CfRJ1pVPI/qSlGBwKWuB5QyZQqrjAdC0nXS0/4cQhsqclq ePjVbs+2WMT6oMXg= X-Received: by 2002:a5d:634d:: with SMTP id b13mr10553191wrw.324.1601573189953; Thu, 01 Oct 2020 10:26:29 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzIoEmG/G5FJTaG28c1zrQb/RRt+r8pbfSAI5BCK7unghT/ZRlB5FuKOir/mKgqiaqaLh2vTw== X-Received: by 2002:a5d:634d:: with SMTP id b13mr10553182wrw.324.1601573189791; Thu, 01 Oct 2020 10:26:29 -0700 (PDT) Received: from x1w.redhat.com (74.red-83-53-161.dynamicip.rima-tde.net. [83.53.161.74]) by smtp.gmail.com with ESMTPSA id c14sm9985434wrm.64.2020.10.01.10.26.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 01 Oct 2020 10:26:29 -0700 (PDT) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH RESEND v2 14/16] pci: Let pci_dma_rw() propagate MemTxResult Date: Thu, 1 Oct 2020 19:25:17 +0200 Message-Id: <20201001172519.1620782-15-philmd@redhat.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201001172519.1620782-1-philmd@redhat.com> References: <20201001172519.1620782-1-philmd@redhat.com> MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=philmd@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=63.128.21.124; envelope-from=philmd@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/01 02:15:30 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Paolo Bonzini Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" dma_memory_rw() returns a MemTxResult type. Do not discard it, return it to the caller. Reviewed-by: Li Qiang Reviewed-by: Richard Henderson Signed-off-by: Philippe Mathieu-Daudé --- include/hw/pci/pci.h | 18 ++++++++++++++++-- 1 file changed, 16 insertions(+), 2 deletions(-) diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h index dc1799b519..f77f4e49e4 100644 --- a/include/hw/pci/pci.h +++ b/include/hw/pci/pci.h @@ -780,8 +780,22 @@ static inline AddressSpace *pci_get_address_space(PCIDevice *dev) return &dev->bus_master_as; } -static inline int pci_dma_rw(PCIDevice *dev, dma_addr_t addr, - void *buf, dma_addr_t len, DMADirection dir) +/** + * pci_dma_rw: Read from or write to an address space from PCI device. + * + * Return a MemTxResult indicating whether the operation succeeded + * or failed (eg unassigned memory, device rejected the transaction, + * IOMMU fault). + * + * @dev: #PCIDevice doing the memory access + * @addr: address within the #PCIDevice address space + * @buf: buffer with the data transferred + * @len: the number of bytes to read or write + * @dir: indicates the transfer direction + */ +static inline MemTxResult pci_dma_rw(PCIDevice *dev, dma_addr_t addr, + void *buf, dma_addr_t len, + DMADirection dir) { return dma_memory_rw(pci_get_address_space(dev), addr, buf, len, dir, MEMTXATTRS_UNSPECIFIED); 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[83.53.161.74]) by smtp.gmail.com with ESMTPSA id 91sm10566746wrq.9.2020.10.01.10.26.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 01 Oct 2020 10:26:34 -0700 (PDT) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH RESEND v2 15/16] pci: Let pci_dma_read() propagate MemTxResult Date: Thu, 1 Oct 2020 19:25:18 +0200 Message-Id: <20201001172519.1620782-16-philmd@redhat.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201001172519.1620782-1-philmd@redhat.com> References: <20201001172519.1620782-1-philmd@redhat.com> MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=philmd@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=216.205.24.124; envelope-from=philmd@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/01 04:25:37 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Paolo Bonzini Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" pci_dma_rw() returns a MemTxResult type. Do not discard it, return it to the caller. Reviewed-by: Li Qiang Reviewed-by: Richard Henderson Signed-off-by: Philippe Mathieu-Daudé --- include/hw/pci/pci.h | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h index f77f4e49e4..299df068c9 100644 --- a/include/hw/pci/pci.h +++ b/include/hw/pci/pci.h @@ -801,8 +801,20 @@ static inline MemTxResult pci_dma_rw(PCIDevice *dev, dma_addr_t addr, dir, MEMTXATTRS_UNSPECIFIED); } -static inline int pci_dma_read(PCIDevice *dev, dma_addr_t addr, - void *buf, dma_addr_t len) +/** + * pci_dma_read: Read from an address space from PCI device. + * + * Return a MemTxResult indicating whether the operation succeeded + * or failed (eg unassigned memory, device rejected the transaction, + * IOMMU fault). Called within RCU critical section. + * + * @dev: #PCIDevice doing the memory access + * @addr: address within the #PCIDevice address space + * @buf: buffer with the data transferred + * @len: length of the data transferred + */ +static inline MemTxResult pci_dma_read(PCIDevice *dev, dma_addr_t addr, + void *buf, dma_addr_t len) { return pci_dma_rw(dev, addr, buf, len, DMA_DIRECTION_TO_DEVICE); } From patchwork Thu Oct 1 17:25:19 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= X-Patchwork-Id: 303892 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=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, 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 BF1CFC4727E for ; Thu, 1 Oct 2020 17:47:40 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 5831720759 for ; Thu, 1 Oct 2020 17:47:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="g0ksy9mo" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5831720759 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:51850 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kO2g1-0003Ay-PQ for qemu-devel@archiver.kernel.org; Thu, 01 Oct 2020 13:47:34 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:60074) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kO2Lt-0005Gy-16 for qemu-devel@nongnu.org; Thu, 01 Oct 2020 13:26:45 -0400 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:22598) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kO2Lr-0004Sv-83 for qemu-devel@nongnu.org; Thu, 01 Oct 2020 13:26:44 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1601573202; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=udJNOTd9q8GWTxGSfD4yywYFkssNr+3yEzfBj0bq7Uw=; b=g0ksy9mo2y7q/1ALScjEE8EdQe1fQUW2ZcTrk80QEsz1MF26v9pvbZa3Lkhr38fqR4RR+w BjY92Y6qv4XvB9SEeKH3763qfBBITWxEMWVBgB3hWTVaAwDljXp27/Z/CuB0eAYTahfS3M 45kQYQhr3CZUghcUV+AlMu9EeisceXo= Received: from mail-wr1-f71.google.com (mail-wr1-f71.google.com [209.85.221.71]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-190-XSDwcmg6PnSweRRn9hzuFQ-1; Thu, 01 Oct 2020 13:26:41 -0400 X-MC-Unique: XSDwcmg6PnSweRRn9hzuFQ-1 Received: by mail-wr1-f71.google.com with SMTP id l15so2330281wro.10 for ; Thu, 01 Oct 2020 10:26:40 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=udJNOTd9q8GWTxGSfD4yywYFkssNr+3yEzfBj0bq7Uw=; b=DttYZXMz8kv57dF9YhH76557W9sIbmGqTggkaDVQBIBIASR7QbE+086I/8ORc1QGDl KQr3/WsYOoFyTjiplb33mnSCScHtRIeDuSJcNjiFgwrIzAKVXAB2UHI4uYNLvA5tn69m 4/qyXoe2OBp8agaYv+agClYWK8RIj0EHzNYZbX6A0Abj0xVt0syKMQPeBPLuIyqyeX2c uaTkSKf6ijOd5X9fL2q+RlwA1cFwN82lgTRaHMuiMGbdsqvG+9eeBA8IBekJ8+0qtDLT X/KMYmvi+n0kYRGpS5LsYYA7VHq73VPNX/tyoYjYxjydZh2UlpS5x+g1UqCfWX6ip+tf w5+A== X-Gm-Message-State: AOAM530/PAz2FdXACj4r7egTRPW9ExII0ZHeWKzNznLO1zq7HBWrQe0r 0iFPS7ijNqQs3YA+JRm8IlzJIooTq56tVsI6vaZqagFvOXuhCf6GOAIOWMJvrUH9xkHdeWB++xh je4TvfTeD4mKbLn0= X-Received: by 2002:adf:e8ce:: with SMTP id k14mr10951566wrn.394.1601573199489; Thu, 01 Oct 2020 10:26:39 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyHAOFaVzMVe3u6Zt67rdUHxGDTQuwilaRI88YshzAZU0I90dK71V6KCoZrlm3vyB3o66M6xQ== X-Received: by 2002:adf:e8ce:: with SMTP id k14mr10951545wrn.394.1601573199267; Thu, 01 Oct 2020 10:26:39 -0700 (PDT) Received: from x1w.redhat.com (74.red-83-53-161.dynamicip.rima-tde.net. [83.53.161.74]) by smtp.gmail.com with ESMTPSA id a3sm743859wmb.46.2020.10.01.10.26.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 01 Oct 2020 10:26:38 -0700 (PDT) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH RESEND v2 16/16] pci: Let pci_dma_write() propagate MemTxResult Date: Thu, 1 Oct 2020 19:25:19 +0200 Message-Id: <20201001172519.1620782-17-philmd@redhat.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201001172519.1620782-1-philmd@redhat.com> References: <20201001172519.1620782-1-philmd@redhat.com> MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=philmd@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=63.128.21.124; envelope-from=philmd@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/01 02:15:30 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Paolo Bonzini Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" pci_dma_rw() returns a MemTxResult type. Do not discard it, return it to the caller. Reviewed-by: Li Qiang Reviewed-by: Richard Henderson Signed-off-by: Philippe Mathieu-Daudé --- include/hw/pci/pci.h | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h index 299df068c9..8114313e1e 100644 --- a/include/hw/pci/pci.h +++ b/include/hw/pci/pci.h @@ -819,8 +819,20 @@ static inline MemTxResult pci_dma_read(PCIDevice *dev, dma_addr_t addr, return pci_dma_rw(dev, addr, buf, len, DMA_DIRECTION_TO_DEVICE); } -static inline int pci_dma_write(PCIDevice *dev, dma_addr_t addr, - const void *buf, dma_addr_t len) +/** + * pci_dma_write: Write to address space from PCI device. + * + * Return a MemTxResult indicating whether the operation succeeded + * or failed (eg unassigned memory, device rejected the transaction, + * IOMMU fault). + * + * @dev: #PCIDevice doing the memory access + * @addr: address within the #PCIDevice address space + * @buf: buffer with the data transferred + * @len: the number of bytes to write + */ +static inline MemTxResult pci_dma_write(PCIDevice *dev, dma_addr_t addr, + const void *buf, dma_addr_t len) { return pci_dma_rw(dev, addr, (void *) buf, len, DMA_DIRECTION_FROM_DEVICE); }