Host1x Context Node
Device Tree Node nodewhich contains properties to configure Host1x contexts available in
a Guest VM.
host1x_ctx {
compatible = "nvidia,tegra186-iommu-context";
iommus = <&smmu_niso0 TEGRA_SID_NISO0_HOST1X_CTX0>; status = "okay";
};
Properties
This section lists the properties that are used across different platform configurations.
Compatibility String "compatible"
| Description | String specifying the compatibility of the Host1x Context Entry |
| Customizable | No |
| Type | String |
| Unit | NA |
| Optional | No |
| Resolution | NA |
| MaxValue | NA |
| MinValue | NA |
| Recommended | “nvidia,tegra186-iommu-context” |
Context StreamId "iommus"
| Description | StreamId associated with the Host1x context. |
| Customizable | No |
| Type | <SMMUinstance, Stream Id> |
| Unit | NA |
| Optional | No |
| Resolution | NA |
| MaxValue | NA |
| MinValue | NA |
| Recommended | Based on platform configuration |
Host1x Context Status Flag "status"
| Description | Flag specifying whether a specific Host1x context is enabled. |
| Customizable | Yes |
| Type | String |
| Unit | NA |
| Optional | No |
| Resolution | NA |
| MaxValue | “disabled” |
| MinValue | “okay” |
| Recommended | “okay” |