From 4ea629155c29051dd1323ab9eded21c545b50c2c Mon Sep 17 00:00:00 2001 From: "David E. Box" Date: Fri, 18 Nov 2022 16:23:35 -0800 Subject: platform/x86/intel/sdsi: Add Intel On Demand text Intel Software Defined Silicon (SDSi) is now officially known as Intel On Demand. Add On Demand to the description in the kconfig, documentation, and driver source. Signed-off-by: David E. Box Reviewed-by: Hans de Goede Link: https://lore.kernel.org/r/20221119002343.1281885-2-david.e.box@linux.intel.com Signed-off-by: Hans de Goede --- Documentation/ABI/testing/sysfs-driver-intel_sdsi | 37 ++++++++++++----------- 1 file changed, 19 insertions(+), 18 deletions(-) (limited to 'Documentation/ABI') diff --git a/Documentation/ABI/testing/sysfs-driver-intel_sdsi b/Documentation/ABI/testing/sysfs-driver-intel_sdsi index 96b92c105ec4..9d77f30d9b9a 100644 --- a/Documentation/ABI/testing/sysfs-driver-intel_sdsi +++ b/Documentation/ABI/testing/sysfs-driver-intel_sdsi @@ -4,21 +4,21 @@ KernelVersion: 5.18 Contact: "David E. Box" Description: This directory contains interface files for accessing Intel - Software Defined Silicon (SDSi) features on a CPU. X - represents the socket instance (though not the socket ID). - The socket ID is determined by reading the registers file - and decoding it per the specification. + On Demand (formerly Software Defined Silicon or SDSi) features + on a CPU. X represents the socket instance (though not the + socket ID). The socket ID is determined by reading the + registers file and decoding it per the specification. - Some files communicate with SDSi hardware through a mailbox. - Should the operation fail, one of the following error codes - may be returned: + Some files communicate with On Demand hardware through a + mailbox. Should the operation fail, one of the following error + codes may be returned: ========== ===== Error Code Cause ========== ===== EIO General mailbox failure. Log may indicate cause. EBUSY Mailbox is owned by another agent. - EPERM SDSI capability is not enabled in hardware. + EPERM On Demand capability is not enabled in hardware. EPROTO Failure in mailbox protocol detected by driver. See log for details. EOVERFLOW For provision commands, the size of the data @@ -54,8 +54,8 @@ KernelVersion: 5.18 Contact: "David E. Box" Description: (WO) Used to write an Authentication Key Certificate (AKC) to - the SDSi NVRAM for the CPU. The AKC is used to authenticate a - Capability Activation Payload. Mailbox command. + the On Demand NVRAM for the CPU. The AKC is used to authenticate + a Capability Activation Payload. Mailbox command. What: /sys/bus/auxiliary/devices/intel_vsec.sdsi.X/provision_cap Date: Feb 2022 @@ -63,17 +63,18 @@ KernelVersion: 5.18 Contact: "David E. Box" Description: (WO) Used to write a Capability Activation Payload (CAP) to the - SDSi NVRAM for the CPU. CAPs are used to activate a given CPU - feature. A CAP is validated by SDSi hardware using a previously - provisioned AKC file. Upon successful authentication, the CPU - configuration is updated. A cold reboot is required to fully - activate the feature. Mailbox command. + On Demand NVRAM for the CPU. CAPs are used to activate a given + CPU feature. A CAP is validated by On Demand hardware using a + previously provisioned AKC file. Upon successful authentication, + the CPU configuration is updated. A cold reboot is required to + fully activate the feature. Mailbox command. What: /sys/bus/auxiliary/devices/intel_vsec.sdsi.X/state_certificate Date: Feb 2022 KernelVersion: 5.18 Contact: "David E. Box" Description: - (RO) Used to read back the current State Certificate for the CPU - from SDSi hardware. The State Certificate contains information - about the current licenses on the CPU. Mailbox command. + (RO) Used to read back the current state certificate for the CPU + from On Demand hardware. The state certificate contains + information about the current licenses on the CPU. Mailbox + command. -- cgit v1.2.3