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Add opal calls to interact with the NPU: OPAL_NPU_SPA_SETUP: set the Shared Process Area (SPA) The SPA is a table containing one entry (Process Element) per memory context which can be accessed by the opencapi device. OPAL_NPU_SPA_CLEAR_CACHE: clear the context cache The NPU keeps a cache of recently accessed memory contexts. When a Process Element is removed from the SPA, the cache for the link must be cleared. OPAL_NPU_TL_SET: configure the Transaction Layer The Transaction Layer specification defines several templates for messages to be exchanged on the link. During link setup, the host and device must negotiate what templates are supported on both sides and at what rates those messages can be sent. Signed-off-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com> Acked-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> |
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README
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.