Turn on Intel and AMD IOMMU support and interrupt remapping

Signed-off-by: Pooja Trivedi <[email protected]>

README.md

@@ -22,7 +22,7 @@ We started this project for the following reasons:
   - A clear and defined CLI and [specification] (YAML)
   - A shared community that is supportive
   - LinuxKit cross-compiles in many architectures
-  - Different output formats: ISO, init ramkdisk, aws, docker, rpi3... see [formats].
+  - Different output formats: ISO, init ramdisk, aws, docker, rpi3... see [formats].
 - It was not easy to explain to the Tinkerbell community how [OSIE] works and the components it is made for.
   A lot of the components were Equinix Metal specific and are not strictly needed in Tinkerbell.
 

kernel/config-5.10.x-x86_64

@@ -65,6 +65,7 @@ CONFIG_IRQ_DOMAIN=y
 CONFIG_IRQ_DOMAIN_HIERARCHY=y
 CONFIG_GENERIC_MSI_IRQ=y
 CONFIG_GENERIC_MSI_IRQ_DOMAIN=y
+CONFIG_IRQ_MSI_IOMMU=y
 CONFIG_GENERIC_IRQ_MATRIX_ALLOCATOR=y
 CONFIG_GENERIC_IRQ_RESERVATION_MODE=y
 CONFIG_IRQ_FORCED_THREADING=y
@@ -293,6 +294,7 @@ CONFIG_ARCH_WANT_GENERAL_HUGETLB=y
 CONFIG_ZONE_DMA32=y
 CONFIG_AUDIT_ARCH=y
 CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC=y
+CONFIG_HAVE_INTEL_TXT=y
 CONFIG_X86_64_SMP=y
 CONFIG_ARCH_SUPPORTS_UPROBES=y
 CONFIG_FIX_EARLYCON_MEM=y
@@ -1828,6 +1830,7 @@ CONFIG_BLK_DEV_NVME=y
 # CONFIG_MISC_RTSX_PCI is not set
 # CONFIG_MISC_RTSX_USB is not set
 # CONFIG_HABANA_AI is not set
+# CONFIG_UACCE is not set
 # end of Misc devices
 
 CONFIG_HAVE_IDE=y
@@ -3802,7 +3805,29 @@ CONFIG_CLKBLD_I8253=y
 CONFIG_MAILBOX=y
 CONFIG_PCC=y
 # CONFIG_ALTERA_MBOX is not set
-# CONFIG_IOMMU_SUPPORT is not set
+CONFIG_IOMMU_IOVA=y
+CONFIG_IOASID=y
+CONFIG_IOMMU_API=y
+CONFIG_IOMMU_SUPPORT=y
+
+#
+# Generic IOMMU Pagetable Support
+#
+# end of Generic IOMMU Pagetable Support
+
+# CONFIG_IOMMU_DEBUGFS is not set
+# CONFIG_IOMMU_DEFAULT_PASSTHROUGH is not set
+CONFIG_IOMMU_DMA=y
+CONFIG_AMD_IOMMU=y
+CONFIG_AMD_IOMMU_V2=m
+CONFIG_DMAR_TABLE=y
+CONFIG_INTEL_IOMMU=y
+# CONFIG_INTEL_IOMMU_SVM is not set
+CONFIG_INTEL_IOMMU_DEFAULT_ON=y
+CONFIG_INTEL_IOMMU_FLOPPY_WA=y
+# CONFIG_INTEL_IOMMU_SCALABLE_MODE_DEFAULT_ON is not set
+CONFIG_IRQ_REMAP=y
+CONFIG_HYPERV_IOMMU=y
 
 #
 # Remoteproc drivers
@@ -4268,6 +4293,7 @@ CONFIG_SECURITY_NETWORK=y
 CONFIG_PAGE_TABLE_ISOLATION=y
 CONFIG_SECURITY_NETWORK_XFRM=y
 CONFIG_SECURITY_PATH=y
+# CONFIG_INTEL_TXT is not set
 CONFIG_HAVE_HARDENED_USERCOPY_ALLOCATOR=y
 CONFIG_HARDENED_USERCOPY=y
 CONFIG_HARDENED_USERCOPY_FALLBACK=y