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authorjhb <jhb@FreeBSD.org>2016-09-30 00:33:19 +0000
committerjhb <jhb@FreeBSD.org>2016-09-30 00:33:19 +0000
commit9cd96c281de542b627873b9106cff2dceab6e654 (patch)
tree1357c83b13dc2fd4130dba21b71514413aff9628 /sys/dev/pci
parent2a9bd04ef937dcde0427bd05f2ec97d491c2d700 (diff)
downloadFreeBSD-src-9cd96c281de542b627873b9106cff2dceab6e654.zip
FreeBSD-src-9cd96c281de542b627873b9106cff2dceab6e654.tar.gz
MFC 303887: Add a dmardump utility to dump the VT-d context tables.
This tool parses the ACPI DMAR table looking for DMA remapping devices. For each device it walks the root table and any context tables referenced to display mapping info for PCI devices. Note that acpidump -t already parses the info in the ACPI DMAR tables directly. This tool examines some of the data structures the DMAR remapping engines use to translate DMA requests. Sponsored by: Chelsio Communications
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