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91f410aa67
Recent Fam19h EPYC server line of processors from AMD support system management functionality via HSMP (Host System Management Port) interface. The Host System Management Port (HSMP) is an interface to provide OS-level software with access to system management functions via a set of mailbox registers. More details on the interface can be found in chapter "7 Host System Management Port (HSMP)" of the following PPR https://www.amd.com/system/files/TechDocs/55898_B1_pub_0.50.zip This patch adds new amd_hsmp module under the drivers/platforms/x86/ which creates miscdevice with an IOCTL interface to the user space. /dev/hsmp is for running the hsmp mailbox commands. Signed-off-by: Suma Hegde <suma.hegde@amd.com> Signed-off-by: Naveen Krishna Chatradhi <nchatrad@amd.com> Reviewed-by: Carlos Bilbao <carlos.bilbao@amd.com> Acked-by: Song Liu <song@kernel.org> Reviewed-by: Nathan Fontenot <nathan.fontenot@amd.com> Link: https://lore.kernel.org/r/20220222050501.18789-1-nchatrad@amd.com Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com> |
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| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
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 Restructured Text 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.