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[61.92.221.177]) by smtp.googlemail.com with ESMTPSA id d9443c01a7336-2446d538f75sm74090925ad.108.2025.08.18.01.43.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 18 Aug 2025 01:43:23 -0700 (PDT) From: Nick Chan Subject: [PATCH v2 0/9] Add support ANS2 NVMe on Apple A11 Date: Mon, 18 Aug 2025 16:42:53 +0800 Message-Id: <20250818-t8015-nvme-v2-0-65648cd189e0@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAI3nomgC/03MQQrCMBCF4auUWRuZxIZGV72HdBGSaTtgWklKU ErubiwuXP4P3rdDosiU4NbsEClz4nWpoU4NuNkuEwn2tUGh0mjQiM2g1GLJgUR3se3ovFXae6i HZ6SRXwd2H2rPnLY1vg87y+/6Y6T8Z7IUKGi8OoVIXWu7fgqWH2e3BhhKKR/numlkpAAAAA== X-Change-ID: 20250808-t8015-nvme-73a4fcda25dd To: Sven Peter , Janne Grunau , Alyssa Rosenzweig , Neal Gompa , Jassi Brar , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Hector Martin , Joerg Roedel , Will Deacon , Robin Murphy , Keith Busch , Jens Axboe , Christoph Hellwig , Sagi Grimberg Cc: asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, iommu@lists.linux.dev, linux-nvme@lists.infradead.org, Nick Chan X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=2496; i=towinchenmi@gmail.com; h=from:subject:message-id; bh=h//OnE8xjMrdJsTFOXyv+oxSEG4dfiZyYKDlv6KTGHQ=; b=owEBbQKS/ZANAwAKAQHKCLemxQgkAcsmYgBoouegHci7I26tBuTw2954p8e1MuDA7bm7+1HK1 MMona/pAhWJAjMEAAEKAB0WIQRLUnh4XJes95w8aIMBygi3psUIJAUCaKLnoAAKCRABygi3psUI JAnAD/4sXJEJsWnJXyEtUrZyoCoNIoaFwJzZuTYIWftzOPbeFpexvXqlVwu+Ysc2UNrQQr05hco kF3AFRksFtzPz0VxvuisoNbhvv24NdsTvsxs/z2T0ofzyJ0UQ1BQL54uiwLYgiqMSgqRqCu7SNY isS+k8QYYwt7W1idiosA7W9Sp/i2WEyNu6tSAXwIJF+eykXAeSVFeZyIf3Rw3FDwFXyRsn+rGWM ABGTsSP2o1/HPNr3FobP3WuJ4qZAP+9n8PsOi2YcvFsF0wuwcFiZ4xs8aIswtAWMNKWXq9tDv4X DzqFDNu2iUpjlAeB+LfCBGn9fdO4F5dp0UZqXyg7tV47ryOVdfxTHslC/02UAmFBrszw2hqM4RJ SSFTzvF1q0qb3hnPr8PVG8IPYj5LyPa9+gzsGuPnGYRhFUeqhF4KQwyyOaB2rlHgKO+qgRgVkWR ChSqP7W8hyV5dm4fOwGFwSlO3gyp5lOFnKszOPsmwekqQyfg9/+27TIF1oMnbsDYbK5XG+hukG9 11Dn1/TwCIjN/yPyOMYt9/1nwMo5TF/wu17jwMSkXo3jSCUAPYodPLwsq+Jiv3hlIS2ukSQLV4j RUfcSqUk1TqNXjgtLcf9VJhX492IkA4ALFmSVle3syy9efPFNB71Hz5cT6nR1/bea95NZmn+wiE v3Ei+Fu+gPBvyEw== X-Developer-Key: i=towinchenmi@gmail.com; a=openpgp; fpr=4B5278785C97ACF79C3C688301CA08B7A6C50824 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250818_094327_262471_4D0D59AF X-CRM114-Status: GOOD ( 15.39 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Apple A11 SoC comes with an NVMe controller that is similar to the NVMe controller in M1, but less customized. Notably, it does not have NVMMU or Linear SQ. The controller is wired to an older variant of the SART address filter, and uses an older variant of ASC mailbox, so add support for them too. This variant of mailbox is also present on Apple T2 SoC. This series has everything required to support NVMe on Apple A11 SoC. However, due to RTKit protocol version support limitation, it will only work when booted with at least iOS 14 iBoot. Tested on A11 as well as M1 Pro (to make sure nothing broke). Patch 1-2 adds support for the older mailbox Patch 3-5 adds support for the older SART Patch 6-7 adds support for the NVMe controller found in Apple A11 SoC Patch 8-9 adds the required device tree nodes. Signed-off-by: Nick Chan --- Changes in v2: - Remove bogus command_id decrement followed by increment in apple_nvme_handle_cqe() - Split apple_nvme_submit_cmd() into two functions for t8015 and t8103 since these two code paths were not sharing much code. - Link to v1: https://lore.kernel.org/r/20250811-t8015-nvme-v1-0-ef9c200e74a7@gmail.com --- Nick Chan (9): dt-bindings: mailbox: apple,mailbox: Add ASC mailboxes on Apple A11 and T2 soc: apple: mailbox: Add Apple A11 and T2 mailbox support dt-bindings: iommu: apple,sart: Add Apple A11 soc: apple: sart: Make allow flags SART version dependent soc: apple: sart: Add SARTv0 support dt-bindings: nvme: apple,nvme-ans: Add Apple A11 nvme: apple: Add Apple A11 support arm64: dts: apple: t8015: Fix PCIE power domains dependencies arm64: dts: apple: t8015: Add NVMe nodes .../devicetree/bindings/iommu/apple,sart.yaml | 1 + .../devicetree/bindings/mailbox/apple,mailbox.yaml | 7 + .../devicetree/bindings/nvme/apple,nvme-ans.yaml | 15 +- arch/arm64/boot/dts/apple/t8015-pmgr.dtsi | 1 + arch/arm64/boot/dts/apple/t8015.dtsi | 34 ++++ drivers/nvme/host/apple.c | 198 +++++++++++++++------ drivers/soc/apple/mailbox.c | 19 ++ drivers/soc/apple/sart.c | 60 ++++++- 8 files changed, 267 insertions(+), 68 deletions(-) --- base-commit: 8f5ae30d69d7543eee0d70083daf4de8fe15d585 change-id: 20250808-t8015-nvme-73a4fcda25dd Best regards, -- Nick Chan