cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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qcom,fastrpc.txt (1959B)

      1Qualcomm Technologies, Inc. FastRPC Driver
      2
      3The FastRPC implements an IPC (Inter-Processor Communication)
      4mechanism that allows for clients to transparently make remote method
      5invocations across DSP and APPS boundaries. This enables developers
      6to offload tasks to the DSP and free up the application processor for
      7other tasks.
      8
      9- compatible:
     10	Usage: required
     11	Value type: <stringlist>
     12	Definition: must be "qcom,fastrpc"
     13
     14- label
     15	Usage: required
     16	Value type: <string>
     17	Definition: should specify the dsp domain name this fastrpc
     18	corresponds to. must be one of this: "adsp", "mdsp", "sdsp", "cdsp"
     19
     20- qcom,non-secure-domain:
     21	Usage: required
     22	Value type: <boolean>
     23	Definition: Property to specify that dsp domain is non-secure.
     24
     25- qcom,vmids:
     26	Usage: optional
     27	Value type: <u32 array>
     28	Definition: Virtual machine IDs for remote processor.
     29
     30- #address-cells
     31	Usage: required
     32	Value type: <u32>
     33	Definition: Must be 1
     34
     35- #size-cells
     36	Usage: required
     37	Value type: <u32>
     38	Definition: Must be 0
     39
     40= COMPUTE BANKS
     41Each subnode of the Fastrpc represents compute context banks available
     42on the dsp.
     43- All Compute context banks MUST contain the following properties:
     44
     45- compatible:
     46	Usage: required
     47	Value type: <stringlist>
     48	Definition: must be "qcom,fastrpc-compute-cb"
     49
     50- reg
     51	Usage: required
     52	Value type: <u32>
     53	Definition: Context Bank ID.
     54
     55- qcom,nsessions:
     56	Usage: Optional
     57	Value type: <u32>
     58	Defination: A value indicating how many sessions can share this
     59		    context bank. Defaults to 1 when this property
     60		    is not specified.
     61
     62Example:
     63
     64adsp-pil {
     65	compatible = "qcom,msm8996-adsp-pil";
     66	...
     67	smd-edge {
     68		label = "lpass";
     69		fastrpc {
     70			compatible = "qcom,fastrpc";
     71			qcom,smd-channels = "fastrpcsmd-apps-dsp";
     72			label = "adsp";
     73			#address-cells = <1>;
     74			#size-cells = <0>;
     75
     76			cb@1 {
     77				compatible = "qcom,fastrpc-compute-cb";
     78				reg = <1>;
     79			};
     80
     81			cb@2 {
     82				compatible = "qcom,fastrpc-compute-cb";
     83				reg = <2>;
     84			};
     85			...
     86		};
     87	};
     88};