diff options
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/admin-guide/RAS/address-translation.rst | 24 | ||||
| -rw-r--r-- | Documentation/admin-guide/RAS/error-decoding.rst (renamed from Documentation/RAS/ras.rst) | 11 | ||||
| -rw-r--r-- | Documentation/admin-guide/RAS/index.rst | 7 | ||||
| -rw-r--r-- | Documentation/admin-guide/RAS/main.rst (renamed from Documentation/admin-guide/ras.rst) | 10 | ||||
| -rw-r--r-- | Documentation/admin-guide/index.rst | 2 | ||||
| -rw-r--r-- | Documentation/index.rst | 1 |
6 files changed, 42 insertions, 13 deletions
diff --git a/Documentation/admin-guide/RAS/address-translation.rst b/Documentation/admin-guide/RAS/address-translation.rst new file mode 100644 index 0000000000000..f0ca17b43cd3d --- /dev/null +++ b/Documentation/admin-guide/RAS/address-translation.rst @@ -0,0 +1,24 @@ +.. SPDX-License-Identifier: GPL-2.0 + +Address translation +=================== + +x86 AMD +------- + +Zen-based AMD systems include a Data Fabric that manages the layout of +physical memory. Devices attached to the Fabric, like memory controllers, +I/O, etc., may not have a complete view of the system physical memory map. +These devices may provide a "normalized", i.e. device physical, address +when reporting memory errors. Normalized addresses must be translated to +a system physical address for the kernel to action on the memory. + +AMD Address Translation Library (CONFIG_AMD_ATL) provides translation for +this case. + +Glossary of acronyms used in address translation for Zen-based systems + +* CCM = Cache Coherent Moderator +* COD = Cluster-on-Die +* COH_ST = Coherent Station +* DF = Data Fabric diff --git a/Documentation/RAS/ras.rst b/Documentation/admin-guide/RAS/error-decoding.rst index 2556b397cd271..26a72f3fe5de8 100644 --- a/Documentation/RAS/ras.rst +++ b/Documentation/admin-guide/RAS/error-decoding.rst @@ -1,15 +1,10 @@ .. SPDX-License-Identifier: GPL-2.0 -Reliability, Availability and Serviceability features -===================================================== - -This documents different aspects of the RAS functionality present in the -kernel. - Error decoding ---------------- +============== -* x86 +x86 +--- Error decoding on AMD systems should be done using the rasdaemon tool: https://github.com/mchehab/rasdaemon/ diff --git a/Documentation/admin-guide/RAS/index.rst b/Documentation/admin-guide/RAS/index.rst new file mode 100644 index 0000000000000..f4087040a7c05 --- /dev/null +++ b/Documentation/admin-guide/RAS/index.rst @@ -0,0 +1,7 @@ +.. SPDX-License-Identifier: GPL-2.0 +.. toctree:: + :maxdepth: 2 + + main + error-decoding + address-translation diff --git a/Documentation/admin-guide/ras.rst b/Documentation/admin-guide/RAS/main.rst index 8e03751d126d0..7ac1d4ccc5099 100644 --- a/Documentation/admin-guide/ras.rst +++ b/Documentation/admin-guide/RAS/main.rst @@ -1,8 +1,12 @@ +.. SPDX-License-Identifier: GPL-2.0 .. include:: <isonum.txt> -============================================ -Reliability, Availability and Serviceability -============================================ +================================================== +Reliability, Availability and Serviceability (RAS) +================================================== + +This documents different aspects of the RAS functionality present in the +kernel. RAS concepts ************ diff --git a/Documentation/admin-guide/index.rst b/Documentation/admin-guide/index.rst index fb40a1f6f79e1..dfc06fab94322 100644 --- a/Documentation/admin-guide/index.rst +++ b/Documentation/admin-guide/index.rst @@ -122,7 +122,7 @@ configure specific aspects of kernel behavior to your liking. pmf pnp rapidio - ras + RAS/index rtc serial-console svga diff --git a/Documentation/index.rst b/Documentation/index.rst index 36e61783437c1..9dfdc826618c0 100644 --- a/Documentation/index.rst +++ b/Documentation/index.rst @@ -113,7 +113,6 @@ to ReStructured Text format, or are simply too old. :maxdepth: 1 staging/index - RAS/ras Translations |