From nobody Mon Feb 9 04:04:32 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=arm.com Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1662395962701358.47853533434704; Mon, 5 Sep 2022 09:39:22 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.399016.640067 (Exim 4.92) (envelope-from ) id 1oVF7o-0004v4-T5; Mon, 05 Sep 2022 16:39:04 +0000 Received: by outflank-mailman (output) from mailman id 399016.640067; Mon, 05 Sep 2022 16:39:04 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1oVF7o-0004ur-PU; Mon, 05 Sep 2022 16:39:04 +0000 Received: by outflank-mailman (input) for mailman id 399016; Mon, 05 Sep 2022 16:39:03 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1oVF2J-0007PM-Gj for xen-devel@lists.xenproject.org; Mon, 05 Sep 2022 16:33:23 +0000 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by se1-gles-sth1.inumbo.com (Halon) with ESMTP id 7520eda7-2d38-11ed-a016-b9edf5238543; Mon, 05 Sep 2022 18:33:22 +0200 (CEST) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 6DB75139F; Mon, 5 Sep 2022 09:33:28 -0700 (PDT) Received: from e109506.cambridge.arm.com (e109506.cambridge.arm.com [10.1.199.62]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 317663F534; Mon, 5 Sep 2022 09:33:21 -0700 (PDT) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 7520eda7-2d38-11ed-a016-b9edf5238543 From: Rahul Singh To: xen-devel@lists.xenproject.org Cc: Zenghui Yu , Bertrand Marquis , Stefano Stabellini , Julien Grall , Volodymyr Babchuk , Will Deacon Subject: [PATCH v3 06/10] xen/arm: smmuv3: Remove the unused fields for PREFETCH_CONFIG command Date: Mon, 5 Sep 2022 17:30:41 +0100 Message-Id: X-Mailer: git-send-email 2.25.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZM-MESSAGEID: 1662395964183100001 Content-Type: text/plain; charset="utf-8" From: Zenghui Yu Backport Linux commit e0bb4b735404. This is the clean backport without any changes. Per SMMUv3 spec, there is no Size and Addr field in the PREFETCH_CONFIG command and they're not used by the driver. Remove them. We can add them back if we're going to use PREFETCH_ADDR in the future. Signed-off-by: Zenghui Yu Link: https://lore.kernel.org/r/20210407084448.1838-1-yuzenghui@huawei.com Signed-off-by: Will Deacon Origin: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git e0= bb4b735404 Acked-by: Stefano Stabellini Signed-off-by: Rahul Singh --- Changes in v3: - Added Stefano Acked-by Changes in v2: - fix commit msg --- --- xen/drivers/passthrough/arm/smmu-v3.c | 2 -- xen/drivers/passthrough/arm/smmu-v3.h | 2 -- 2 files changed, 4 deletions(-) diff --git a/xen/drivers/passthrough/arm/smmu-v3.c b/xen/drivers/passthroug= h/arm/smmu-v3.c index 272adebb0b..512a3617a2 100644 --- a/xen/drivers/passthrough/arm/smmu-v3.c +++ b/xen/drivers/passthrough/arm/smmu-v3.c @@ -405,8 +405,6 @@ static int arm_smmu_cmdq_build_cmd(u64 *cmd, struct arm= _smmu_cmdq_ent *ent) break; case CMDQ_OP_PREFETCH_CFG: cmd[0] |=3D FIELD_PREP(CMDQ_PREFETCH_0_SID, ent->prefetch.sid); - cmd[1] |=3D FIELD_PREP(CMDQ_PREFETCH_1_SIZE, ent->prefetch.size); - cmd[1] |=3D ent->prefetch.addr & CMDQ_PREFETCH_1_ADDR_MASK; break; case CMDQ_OP_CFGI_STE: cmd[0] |=3D FIELD_PREP(CMDQ_CFGI_0_SID, ent->cfgi.sid); diff --git a/xen/drivers/passthrough/arm/smmu-v3.h b/xen/drivers/passthroug= h/arm/smmu-v3.h index 0742bc393f..b381ad3738 100644 --- a/xen/drivers/passthrough/arm/smmu-v3.h +++ b/xen/drivers/passthrough/arm/smmu-v3.h @@ -456,8 +456,6 @@ struct arm_smmu_cmdq_ent { #define CMDQ_OP_PREFETCH_CFG 0x1 struct { u32 sid; - u8 size; - u64 addr; } prefetch; =20 #define CMDQ_OP_CFGI_STE 0x3 --=20 2.25.1