diff options
Diffstat (limited to 'Documentation')
8 files changed, 169 insertions, 3 deletions
diff --git a/Documentation/ABI/testing/debugfs-hisi-hpre b/Documentation/ABI/testing/debugfs-hisi-hpre index 29fb7d5ffc69..5a137f701eea 100644 --- a/Documentation/ABI/testing/debugfs-hisi-hpre +++ b/Documentation/ABI/testing/debugfs-hisi-hpre @@ -50,6 +50,13 @@ Description: Dump debug registers from the QM. Available for PF and VF in host. VF in guest currently only has one debug register. +What: /sys/kernel/debug/hisi_hpre/<bdf>/dev_usage +Date: Mar 2026 +Contact: linux-crypto@vger.kernel.org +Description: Query the real-time bandwidth usage of device. + Returns the bandwidth usage of each channel on the device. + The returned number is in percentage. + What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/current_q Date: Sep 2019 Contact: linux-crypto@vger.kernel.org diff --git a/Documentation/ABI/testing/debugfs-hisi-sec b/Documentation/ABI/testing/debugfs-hisi-sec index 82bf4a0dc7f7..676e2dc2de8d 100644 --- a/Documentation/ABI/testing/debugfs-hisi-sec +++ b/Documentation/ABI/testing/debugfs-hisi-sec @@ -24,6 +24,13 @@ Description: The <bdf> is related the function for PF and VF. 1/1000~1000/1000 of total QoS. The driver reading alg_qos to get related QoS in the host and VM, Such as "cat alg_qos". +What: /sys/kernel/debug/hisi_sec2/<bdf>/dev_usage +Date: Mar 2026 +Contact: linux-crypto@vger.kernel.org +Description: Query the real-time bandwidth usage of device. + Returns the bandwidth usage of each channel on the device. + The returned number is in percentage. + What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/qm_regs Date: Oct 2019 Contact: linux-crypto@vger.kernel.org diff --git a/Documentation/ABI/testing/debugfs-hisi-zip b/Documentation/ABI/testing/debugfs-hisi-zip index 0abd65d27e9b..46bf47bf6b42 100644 --- a/Documentation/ABI/testing/debugfs-hisi-zip +++ b/Documentation/ABI/testing/debugfs-hisi-zip @@ -36,6 +36,13 @@ Description: The <bdf> is related the function for PF and VF. 1/1000~1000/1000 of total QoS. The driver reading alg_qos to get related QoS in the host and VM, Such as "cat alg_qos". +What: /sys/kernel/debug/hisi_zip/<bdf>/dev_usage +Date: Mar 2026 +Contact: linux-crypto@vger.kernel.org +Description: Query the real-time bandwidth usage of device. + Returns the bandwidth usage of each channel on the device. + The returned number is in percentage. + What: /sys/kernel/debug/hisi_zip/<bdf>/qm/regs Date: Nov 2018 Contact: linux-crypto@vger.kernel.org diff --git a/Documentation/ABI/testing/sysfs-driver-qat_svn b/Documentation/ABI/testing/sysfs-driver-qat_svn new file mode 100644 index 000000000000..3832b523dcb0 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-driver-qat_svn @@ -0,0 +1,114 @@ +What: /sys/bus/pci/devices/<BDF>/qat_svn/ +Date: June 2026 +KernelVersion: 7.1 +Contact: qat-linux@intel.com +Description: Directory containing Security Version Number (SVN) attributes for + the Anti-Rollback (ARB) feature. The ARB feature prevents downloading + older firmware versions to the acceleration device. + +What: /sys/bus/pci/devices/<BDF>/qat_svn/enforced_min +Date: June 2026 +KernelVersion: 7.1 +Contact: qat-linux@intel.com +Description: + (RO) Reports the minimum allowed firmware SVN. + + Returns an integer greater than zero. Firmware with SVN lower than + this value is rejected. + + A write to qat_svn/commit will update this value. The update is not + persistent across reboot; on reboot, this value is reset from + qat_svn/permanent_min. + + Example usage:: + + # cat /sys/bus/pci/devices/<BDF>/qat_svn/enforced_min + 2 + + This attribute is available only on devices that support + Anti-Rollback. + +What: /sys/bus/pci/devices/<BDF>/qat_svn/permanent_min +Date: June 2026 +KernelVersion: 7.1 +Contact: qat-linux@intel.com +Description: + (RO) Reports the persistent minimum SVN used to initialize + qat_svn/enforced_min on each reboot. + + Returns an integer greater than zero. A write to qat_svn/commit + may update this value, depending on platform/BIOS settings. + + Example usage:: + + # cat /sys/bus/pci/devices/<BDF>/qat_svn/permanent_min + 3 + + This attribute is available only on devices that support + Anti-Rollback. + +What: /sys/bus/pci/devices/<BDF>/qat_svn/active +Date: June 2026 +KernelVersion: 7.1 +Contact: qat-linux@intel.com +Description: + (RO) Reports the SVN of the currently active firmware image. + + Returns an integer greater than zero. + + Example usage:: + + # cat /sys/bus/pci/devices/<BDF>/qat_svn/active + 2 + + This attribute is available only on devices that support + Anti-Rollback. + +What: /sys/bus/pci/devices/<BDF>/qat_svn/commit +Date: June 2026 +KernelVersion: 7.1 +Contact: qat-linux@intel.com +Description: + (WO) Commits the currently active SVN as the minimum allowed SVN. + + Writing 1 sets qat_svn/enforced_min to the value of qat_svn/active, + preventing future firmware loads with lower SVN. + + Depending on platform/BIOS settings, a commit may also update + qat_svn/permanent_min. + + Note that on reboot, qat_svn/enforced_min reverts to + qat_svn/permanent_min. + + It is advisable to use this attribute with caution, only when + it is necessary to set a new minimum SVN for the firmware. + + Before committing the SVN update, it is crucial to check the + current values of qat_svn/active, qat_svn/enforced_min and + qat_svn/permanent_min. This verification helps ensure that the + commit operation aligns with the intended outcome. + + While writing to the file, any value other than '1' will result + in an error and have no effect. + + Example usage:: + + ## Read current values + # cat /sys/bus/pci/devices/<BDF>/qat_svn/enforced_min + 2 + # cat /sys/bus/pci/devices/<BDF>/qat_svn/permanent_min + 2 + # cat /sys/bus/pci/devices/<BDF>/qat_svn/active + 3 + + ## Commit active SVN + # echo 1 > /sys/bus/pci/devices/<BDF>/qat_svn/commit + + ## Read updated values + # cat /sys/bus/pci/devices/<BDF>/qat_svn/enforced_min + 3 + # cat /sys/bus/pci/devices/<BDF>/qat_svn/permanent_min + 3 + + This attribute is available only on devices that support + Anti-Rollback. diff --git a/Documentation/crypto/userspace-if.rst b/Documentation/crypto/userspace-if.rst index 8158b363cd98..021759198fe7 100644 --- a/Documentation/crypto/userspace-if.rst +++ b/Documentation/crypto/userspace-if.rst @@ -23,7 +23,7 @@ user space, however. This includes the difference between synchronous and asynchronous invocations. The user space API call is fully synchronous. -[1] https://www.chronox.de/libkcapi.html +[1] https://www.chronox.de/libkcapi/index.html User Space API General Remarks ------------------------------ @@ -406,4 +406,4 @@ Please see [1] for libkcapi which provides an easy-to-use wrapper around the aforementioned Netlink kernel interface. [1] also contains a test application that invokes all libkcapi API calls. -[1] https://www.chronox.de/libkcapi.html +[1] https://www.chronox.de/libkcapi/index.html diff --git a/Documentation/devicetree/bindings/crypto/inside-secure,safexcel.yaml b/Documentation/devicetree/bindings/crypto/inside-secure,safexcel.yaml index 3dc6c5f89d32..a34d13e92c59 100644 --- a/Documentation/devicetree/bindings/crypto/inside-secure,safexcel.yaml +++ b/Documentation/devicetree/bindings/crypto/inside-secure,safexcel.yaml @@ -18,6 +18,7 @@ properties: - items: - enum: - marvell,armada-3700-crypto + - mediatek,mt7981-crypto - mediatek,mt7986-crypto - const: inside-secure,safexcel-eip97ies - const: inside-secure,safexcel-eip197b @@ -80,7 +81,9 @@ allOf: compatible: not: contains: - const: mediatek,mt7986-crypto + enum: + - mediatek,mt7981-crypto + - mediatek,mt7986-crypto then: properties: interrupts: diff --git a/Documentation/devicetree/bindings/crypto/qcom,inline-crypto-engine.yaml b/Documentation/devicetree/bindings/crypto/qcom,inline-crypto-engine.yaml index 061ff718b23d..876bf90ed96e 100644 --- a/Documentation/devicetree/bindings/crypto/qcom,inline-crypto-engine.yaml +++ b/Documentation/devicetree/bindings/crypto/qcom,inline-crypto-engine.yaml @@ -13,6 +13,7 @@ properties: compatible: items: - enum: + - qcom,eliza-inline-crypto-engine - qcom,kaanapali-inline-crypto-engine - qcom,milos-inline-crypto-engine - qcom,qcs8300-inline-crypto-engine @@ -31,6 +32,11 @@ properties: clocks: maxItems: 1 + operating-points-v2: true + + opp-table: + type: object + required: - compatible - reg @@ -47,5 +53,26 @@ examples: "qcom,inline-crypto-engine"; reg = <0x01d88000 0x8000>; clocks = <&gcc GCC_UFS_PHY_ICE_CORE_CLK>; + + operating-points-v2 = <&ice_opp_table>; + + ice_opp_table: opp-table { + compatible = "operating-points-v2"; + + opp-100000000 { + opp-hz = /bits/ 64 <100000000>; + required-opps = <&rpmhpd_opp_low_svs>; + }; + + opp-201500000 { + opp-hz = /bits/ 64 <201500000>; + required-opps = <&rpmhpd_opp_svs_l1>; + }; + + opp-403000000 { + opp-hz = /bits/ 64 <403000000>; + required-opps = <&rpmhpd_opp_nom>; + }; + }; }; ... diff --git a/Documentation/devicetree/bindings/rng/atmel,at91-trng.yaml b/Documentation/devicetree/bindings/rng/atmel,at91-trng.yaml index f78614100ea8..3628251b8c51 100644 --- a/Documentation/devicetree/bindings/rng/atmel,at91-trng.yaml +++ b/Documentation/devicetree/bindings/rng/atmel,at91-trng.yaml @@ -19,6 +19,7 @@ properties: - microchip,sam9x60-trng - items: - enum: + - microchip,lan9691-trng - microchip,sama7g5-trng - const: atmel,at91sam9g45-trng - items: |