From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-yw1-f201.google.com (mail-yw1-f201.google.com [209.85.128.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B4AB5101EC for ; Wed, 14 Jun 2023 15:44:31 +0000 (UTC) Received: by mail-yw1-f201.google.com with SMTP id 00721157ae682-56fffdea2d0so11289967b3.1 for ; Wed, 14 Jun 2023 08:44:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20221208; t=1686757471; x=1689349471; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=omVhI9NBPuwnuDBL2dAuwy0d7VVlvqTslf6ohlhvBoo=; b=jMlnk/MKenoGoe+vncInH3bNLbjsOY0Xrv5py/yEVhJC0Voa9L6CSXUuAVOi6fmYCJ Tgf0uByedAMjl4kDugva5Z7ex59EM1z4IazeM7oUL8ziiQDhW3iZaQ0JG9Qm40ngiaZL +M5Dg5le9q5NHjjTl7k9QZk59/KC3EuCDrBCsL0bF4lycPrvzpsN0P/LhUKYz/tUyV0x isJj8aPRjzh8meDpJOrtJNeFlx8yvD55tCSLvcLBEnDtcXfsEbJZtuB1BwtuBcopqymr /Rvz8IKzzGTFog5Cr0gOu/QV8fyEzYweTi1tUgmgmlB4M3eES0bWGS4bsAPec9Qi8ALG 4M8A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1686757471; x=1689349471; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=omVhI9NBPuwnuDBL2dAuwy0d7VVlvqTslf6ohlhvBoo=; b=WKHKsrLeZBxpxsKcA15hyETf43fdVp6+BvgnqFSJ9qYzz7W0KcQzo/ZAiZSLPFEbcY ekF1XwlBVV9Bma8FZBTQtWtKBqzfaOW+hjUsrgAdrqD9aa9ORGKbrkV9m+G/LoDJJ2H9 Dr4qllWvxh4SJWlYB50iALZoO4oH6aJAh2VduA4x6OgXUc2iF/Df04JIBThNXhQpXDE3 UgUbq/TsmsDQuagyvLAb15TUOqF1FoGRm03pATIWL7EyMn8KAbmxQUn2h4WuM+3T/cjN iZ1ZyNvChNnLW4Li6GXBKSJsab+wqnrDGfmojkkY99GaSR8fbSAdXcFIjJgabujnFSR2 UDmg== X-Gm-Message-State: AC+VfDyv4yDvJhMTDWnmI2HMiFrRPskFYzzfrYU6+9vouwczOKodVN08 +0vKXwarfEMQyIUQNcAMf2REy2iZszrG X-Google-Smtp-Source: ACHHUZ6qWrQixYgUn/5HtahtJSL3blxJF6JctRnT69qFj5a4lL50PstwAlMR8K47HQ216a2/pWujMLt858mE X-Received: from mshavit.ntc.corp.google.com ([2401:fa00:95:20c:c6e6:49bf:5c44:5965]) (user=mshavit job=sendgmr) by 2002:a81:4426:0:b0:568:c4ea:ce66 with SMTP id r38-20020a814426000000b00568c4eace66mr971778ywa.5.1686757470875; Wed, 14 Jun 2023 08:44:30 -0700 (PDT) Date: Wed, 14 Jun 2023 23:42:00 +0800 In-Reply-To: <20230614154304.2860121-1-mshavit@google.com> Precedence: bulk X-Mailing-List: iommu@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20230614154304.2860121-1-mshavit@google.com> X-Mailer: git-send-email 2.41.0.162.gfafddb0af9-goog Message-ID: <20230614154304.2860121-9-mshavit@google.com> Subject: [PATCH v3 08/13] iommu/arm-smmu-v3: Add helper for atc invalidation From: Michael Shavit To: Will Deacon , Robin Murphy , Joerg Roedel Cc: Michael Shavit , jean-philippe@linaro.org, nicolinc@nvidia.com, jgg@nvidia.com, baolu.lu@linux.intel.com, linux-arm-kernel@lists.infradead.org, iommu@lists.linux.dev, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" This will be used to invalidate ATC entries made on an SSID for a master when detaching a domain with pasid. Signed-off-by: Michael Shavit --- v1->v2: Make use of arm_smmu_atc_inv_cmd_set_ssid --- drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c index 70580ba7065dc..176013bb974b8 100644 --- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c +++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c @@ -1784,13 +1784,15 @@ arm_smmu_atc_inv_to_cmd(unsigned long iova, size_t size, cmd->atc.size = log2_span; } -static int arm_smmu_atc_inv_master(struct arm_smmu_master *master) +static int arm_smmu_atc_inv_master_ssid(struct arm_smmu_master *master, + int ssid) { int i; struct arm_smmu_cmdq_ent cmd; struct arm_smmu_cmdq_batch cmds; arm_smmu_atc_inv_to_cmd(0, 0, &cmd); + arm_smmu_atc_inv_cmd_set_ssid(ssid, &cmd); cmds.num = 0; for (i = 0; i < master->num_streams; i++) { cmd.atc.sid = master->streams[i].id; @@ -1800,6 +1802,11 @@ static int arm_smmu_atc_inv_master(struct arm_smmu_master *master) return arm_smmu_cmdq_batch_submit(master->smmu, &cmds); } +static int arm_smmu_atc_inv_master(struct arm_smmu_master *master) +{ + return arm_smmu_atc_inv_master_ssid(master, 0); +} + /* * If ssid is non-zero, issue atc invalidations with the given ssid instead of * the one the domain is attached to. This is used by SVA since it's pasid -- 2.41.0.162.gfafddb0af9-goog