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 D8F8E15ACE for ; Tue, 6 Jun 2023 12:10:15 +0000 (UTC) Received: by mail-yw1-f201.google.com with SMTP id 00721157ae682-565a336caa0so97990397b3.1 for ; Tue, 06 Jun 2023 05:10:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20221208; t=1686053415; x=1688645415; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=7Q0Iu14cVZzOpWwfTMTOhF5XX3kNov0fzYqifn+D0GY=; b=Qj9FF129nefazp7rsEoZgyUDmzsW8Dl4oEfnoMt+BCvxl+NTWVy4OR8Ok5LqOWKaUx OH7Ra2Dk8NTJ1kmkTIH+GHrVJ6MooFUGr5V25M/4AriM4Cz8/19OmBMafzikZWYs40Qm Fm13HyQurOg1VgQWnI/LXtDi8eOJhMzFYZLUgVv4ltWLJ/xFS52hTWzsa+AUMGoRw701 UWMML1rZU2decc6dYLad29aIonKRI1Ygob0M9Vxe7Oe5pnNn9zl3Yxvx8/CaB3mrwLhR DUfVGLtQJ2r9UdgtgOlHuFp9zLZ1wVr8e0hzTvXgagApF3nwANZv4uRM+s4bJO8+8g/o gfAQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1686053415; x=1688645415; 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=7Q0Iu14cVZzOpWwfTMTOhF5XX3kNov0fzYqifn+D0GY=; b=f0kzyYdAztXs8C+nM+c+h0MsQvgfv9iq2pRF0ZLuUbloxD1SBFFe2zDb659mi4KJGq 0T8cE+Sv9ditfAPWe1hsYOnsTV5lztojPk1Tn+VINIPRXSB9ztT4QXcGf95H5nUhD19r m7vr+Ki3o49cCzPP9D4wEV3wmK/5yPZdo4HPEF8qDjkVp34qP/c9VzBuGZpNjzVawszs 2uWn2bML0Y6PSMiFeWjNOfjmsF+9flsJueYPCCxQ6vkLAMbFLh5Ohf3adHDGR4XiyeJt 3QDKyJAeHkUWxKJOUv+kYV6u7vdF9EBTBSTePXJc1zIof8Trl+3Wq4YyhtsW6rVRE6Kd DnaQ== X-Gm-Message-State: AC+VfDxrj7S2FkJWAkH0RcLq/oIBjEdnWlF8MERZOcHvrIjB345n7K30 YZkHZKAMXkTqbhc8inFxVGDeZWUsqh8T X-Google-Smtp-Source: ACHHUZ7jK5Jjz1CVCGvoACxb+sx/xnsAJ9T0sjJSsJfmybQ9sFj4pmgNmu8oIVfJWJ4QZm4rznUCA24jkhkf X-Received: from mshavit.ntc.corp.google.com ([2401:fa00:95:20c:a615:63d5:b54e:6919]) (user=mshavit job=sendgmr) by 2002:a25:7d02:0:b0:ba8:1e72:2c88 with SMTP id y2-20020a257d02000000b00ba81e722c88mr941602ybc.13.1686053414834; Tue, 06 Jun 2023 05:10:14 -0700 (PDT) Date: Tue, 6 Jun 2023 20:07:44 +0800 In-Reply-To: <20230606120854.4170244-1-mshavit@google.com> Precedence: bulk X-Mailing-List: iommu@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20230606120854.4170244-1-mshavit@google.com> X-Mailer: git-send-email 2.41.0.rc0.172.g3f132b7071-goog Message-ID: <20230606120854.4170244-9-mshavit@google.com> Subject: [PATCH v2 08/18] 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.rc0.172.g3f132b7071-goog