From nobody Tue Feb 10 04:17:32 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1606897206; cv=none; d=zohomail.com; s=zohoarc; b=HNbl1SjojZ4zgzlKhtuIgm1QEGHcbb0qUhAz087xwukc5GG1DwAOdrPnYVFr7imO+x6zvU1u1cvmHp17wV23wygQVcedFz5AdvNUrIV2b5Jxwa0O5dDmHoi653skGM+WZlwQept+cFtLEre5Zm3BUT0ETFIBYc6/DK6+P1ZBy5s= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1606897206; h=Content-Type:Content-Transfer-Encoding:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=qSw/XPdn0uogh4Yg5yt/5D+j2vX84J5WVXGjVYlsiQA=; b=VwcaZutW+1AJi/JYPPvXOmwvMweR3kW54bUnkpKaJMOkchCJvcCxYupYkh2D8vX2YXa0KNP0u9TrDsZiljSeXZCweIhBQHASo8SY6r9sWaZlHhw/f3wVTSaZzLehSziFDBtH1AMVZE8Db2ycP2F1+AvfB/h9q7Lcwt4ZBblaFUc= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1606897206149671.0635048031297; Wed, 2 Dec 2020 00:20:06 -0800 (PST) Received: from localhost ([::1]:38546 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kkNMq-0006jy-QY for importer@patchew.org; Wed, 02 Dec 2020 03:20:04 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:39724) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kkNCB-0002WJ-0t for qemu-devel@nongnu.org; Wed, 02 Dec 2020 03:09:03 -0500 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:31828) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kkNC6-0003an-KM for qemu-devel@nongnu.org; Wed, 02 Dec 2020 03:09:02 -0500 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-260-WoeiqyxZNb-hcUBSTVMBbw-1; Wed, 02 Dec 2020 03:08:56 -0500 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 4C6BC1074641 for ; Wed, 2 Dec 2020 08:08:55 +0000 (UTC) Received: from virtlab701.virt.lab.eng.bos.redhat.com (virtlab701.virt.lab.eng.bos.redhat.com [10.19.152.228]) by smtp.corp.redhat.com (Postfix) with ESMTP id 192105D9C6 for ; Wed, 2 Dec 2020 08:08:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1606896537; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=qSw/XPdn0uogh4Yg5yt/5D+j2vX84J5WVXGjVYlsiQA=; b=TnNhpP4vhyRLi1caH5L0Je7Jn/5QfZ2AH1ZHUI7K6ZtuIUihNGAVzxnitHVIEOl8ySY5R+ kebqSQWACssho986Wmqf5wzloQ3kXk811o/8wVpKLToYVVqLrXbD8dM2Fk4IyqIG8fiuz7 B/XZ2cY/k8pvizZSMsCVTgAkG0VkOUg= X-MC-Unique: WoeiqyxZNb-hcUBSTVMBbw-1 From: Paolo Bonzini To: qemu-devel@nongnu.org Subject: [PULL 012/113] pci: Let pci_dma_rw() propagate MemTxResult Date: Wed, 2 Dec 2020 03:07:08 -0500 Message-Id: <20201202080849.4125477-13-pbonzini@redhat.com> In-Reply-To: <20201202080849.4125477-1-pbonzini@redhat.com> References: <20201202080849.4125477-1-pbonzini@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=pbonzini@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=63.128.21.124; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -35 X-Spam_score: -3.6 X-Spam_bar: --- X-Spam_report: (-3.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.497, 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_H4=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: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @redhat.com) From: Philippe Mathieu-Daud=C3=A9 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-Daud=C3=A9 Message-Id: <20201023151923.3243652-9-philmd@redhat.com> Signed-off-by: Paolo Bonzini --- 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 72ce649eee..37ffd73708 100644 --- a/include/hw/pci/pci.h +++ b/include/hw/pci/pci.h @@ -781,8 +781,22 @@ static inline AddressSpace *pci_get_address_space(PCID= evice *dev) return &dev->bus_master_as; } =20 -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); } --=20 2.26.2