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Thu, 13 Aug 2020 19:40:57 -0700 (PDT) Received: from localhost ([2601:1c0:5200:a6:307:a401:7b76:c6e5]) by smtp.gmail.com with ESMTPSA id n18sm6397759pgd.91.2020.08.13.19.40.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 13 Aug 2020 19:40:55 -0700 (PDT) From: Rob Clark To: dri-devel@lists.freedesktop.org, iommu@lists.linux-foundation.org, linux-arm-msm@vger.kernel.org Subject: [PATCH 02/19] iommu/arm-smmu: Pass io-pgtable config to implementation specific function Date: Thu, 13 Aug 2020 19:40:57 -0700 Message-Id: <20200814024114.1177553-3-robdclark@gmail.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200810222657.1841322-1-jcrouse@codeaurora.org> References: <20200810222657.1841322-1-jcrouse@codeaurora.org> MIME-Version: 1.0 Cc: Rob Clark , open list , Jonathan Marek , Will Deacon , Robin Murphy , Thierry Reding , Sibi Sankar , Vivek Gautam , Greg Kroah-Hartman , Stephen Boyd , freedreno@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" From: Jordan Crouse Construct the io-pgtable config before calling the implementation specific init_context function and pass it so the implementation specific function can get a chance to change it before the io-pgtable is created. Signed-off-by: Jordan Crouse Signed-off-by: Rob Clark --- drivers/iommu/arm/arm-smmu/arm-smmu-impl.c | 3 ++- drivers/iommu/arm/arm-smmu/arm-smmu.c | 11 ++++++----- drivers/iommu/arm/arm-smmu/arm-smmu.h | 3 ++- 3 files changed, 10 insertions(+), 7 deletions(-) diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu-impl.c b/drivers/iommu/arm/arm-smmu/arm-smmu-impl.c index f4ff124a1967..a9861dcd0884 100644 --- a/drivers/iommu/arm/arm-smmu/arm-smmu-impl.c +++ b/drivers/iommu/arm/arm-smmu/arm-smmu-impl.c @@ -68,7 +68,8 @@ static int cavium_cfg_probe(struct arm_smmu_device *smmu) return 0; } -static int cavium_init_context(struct arm_smmu_domain *smmu_domain) +static int cavium_init_context(struct arm_smmu_domain *smmu_domain, + struct io_pgtable_cfg *pgtbl_cfg) { struct cavium_smmu *cs = container_of(smmu_domain->smmu, struct cavium_smmu, smmu); diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu.c b/drivers/iommu/arm/arm-smmu/arm-smmu.c index 09c42af9f31e..37d8d49299b4 100644 --- a/drivers/iommu/arm/arm-smmu/arm-smmu.c +++ b/drivers/iommu/arm/arm-smmu/arm-smmu.c @@ -795,11 +795,6 @@ static int arm_smmu_init_domain_context(struct iommu_domain *domain, cfg->asid = cfg->cbndx; smmu_domain->smmu = smmu; - if (smmu->impl && smmu->impl->init_context) { - ret = smmu->impl->init_context(smmu_domain); - if (ret) - goto out_unlock; - } pgtbl_cfg = (struct io_pgtable_cfg) { .pgsize_bitmap = smmu->pgsize_bitmap, @@ -810,6 +805,12 @@ static int arm_smmu_init_domain_context(struct iommu_domain *domain, .iommu_dev = smmu->dev, }; + if (smmu->impl && smmu->impl->init_context) { + ret = smmu->impl->init_context(smmu_domain, &pgtbl_cfg); + if (ret) + goto out_clear_smmu; + } + if (smmu_domain->non_strict) pgtbl_cfg.quirks |= IO_PGTABLE_QUIRK_NON_STRICT; diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu.h b/drivers/iommu/arm/arm-smmu/arm-smmu.h index d890a4a968e8..83294516ac08 100644 --- a/drivers/iommu/arm/arm-smmu/arm-smmu.h +++ b/drivers/iommu/arm/arm-smmu/arm-smmu.h @@ -386,7 +386,8 @@ struct arm_smmu_impl { u64 val); int (*cfg_probe)(struct arm_smmu_device *smmu); int (*reset)(struct arm_smmu_device *smmu); - int (*init_context)(struct arm_smmu_domain *smmu_domain); + int (*init_context)(struct arm_smmu_domain *smmu_domain, + struct io_pgtable_cfg *cfg); void (*tlb_sync)(struct arm_smmu_device *smmu, int page, int sync, int status); int (*def_domain_type)(struct device *dev); -- 2.26.2 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu