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The hardware can be shared among multiple user applications. The hardware resources are allocated/freed based on the request from user application via driver IOCTLs. DRM_IOCTL_AMDXDNA_CREATE_HWCTX Allocate tile columns and create a hardware context structure to track the usage and status of the resources. A hardware context ID is returned for XDNA command execution. DRM_IOCTL_AMDXDNA_DESTROY_HWCTX Release hardware context based on its ID. The tile columns belong to this hardware context will be reclaimed. DRM_IOCTL_AMDXDNA_CONFIG_HWCTX Config hardware context. Bind the hardware context to the required resources. Co-developed-by: Min Ma <min.ma@amd.com> Signed-off-by: Min Ma <min.ma@amd.com> Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com> Signed-off-by: Lizhi Hou <lizhi.hou@amd.com> Signed-off-by: Jeffrey Hugo <quic_jhugo@quicinc.com> Link: https://patchwork.freedesktop.org/patch/msgid/20241118172942.2014541-6-lizhi.hou@amd.com
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
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.