[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] Xen: ARM: Support to map mmio region specified in static ACPI tables
Hi Guys, Xen currently does not handle mapping mmio regions specified in standard static ACPI tables such as BERT, TPM2, GT block, IORT, HEST, etc. There has been some initial discussions on using whitelist and leave it up to the individual drivers in dom0 who need the particular region in particular ACPI static table to be mapped to add the support of calling back to XEN to request the mapping. Just want to get the discussion started and gather consensus on this approach. This means in each driver in dom0 logic is inserted to check for if running under Xen being dom0, then call hypercall to XEN to request mapping. Maintainers for individual drivers (BERT driver, TPM driver, etc) may not like this idea for inserting XEN specific checking and mapping call in the driver right? Thanks. -- Jiandi An Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc. Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx https://lists.xen.org/xen-devel
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