Lines Matching +full:cost +full:- +full:effective

1 # SPDX-License-Identifier: GPL-2.0-only
2 # The IOVA library may also be used by non-IOMMU_API users
40 	  sizes at both stage-1 and stage-2, as well as address spaces
41 	  up to 48-bits in size.
47 	  Enable self-tests for LPAE page table allocator. This performs
48 	  a series of page-table consistency checks during boot.
57 	  Enable support for the ARM Short-descriptor pagetable format.
58 	  This supports 32-bit virtual and physical addresses mapped using
59 	  2-level tables with 4KB pages/1MB sections, and contiguous entries
66 	  Enable self-tests for ARMv7s page table allocator. This performs
67 	  a series of page-table consistency checks during boot.
91 	  at initialization time, cause the IOMMU code to create a top-level
111 	bool "Translated - Strict"
114 	  DMA-mapped pages, with strict TLB invalidation on unmap. Equivalent
118 	  bounce-buffering such that they cannot gain access to any unrelated
122 	bool "Translated - Lazy"
125 	  DMA-mapped pages, but with "lazy" batched TLB invalidation. This
127 	  flushing, but at the cost of reduced isolation since devices may be
132 	  If this mode is not supported by the IOMMU driver, the effective
138 	  Trusted devices are identity-mapped, giving them unrestricted access
142 	  If this mode is not supported by the IOMMU driver, the effective
151 # IOMMU-agnostic DMA-mapping layer
204 	  Supports Interrupt remapping for IO-APIC and MSI devices.
260 	depends on !CPU_BIG_ENDIAN # revisit driver if we can enable big-endian ptes
266 	  non-linear physical memory chunks as linear memory in their
281 	bool "Renesas VMSA-compatible IPMMU"
289 	  Support for the Renesas VMSA-compatible IPMMU found in the R-Mobile
290 	  APE6, R-Car Gen{2,3} and RZ/G{1,2} SoCs.
333 	bool "Support the legacy \"mmu-masters\" devicetree bindings"
336 	  Support for the badly designed and deprecated "mmu-masters"
366 	  'arm-smmu.disable_bypass' will continue to override this
419 	tristate "KUnit tests for arm-smmu-v3 driver"  if !KUNIT_ALL_TESTS
424 	  Enable this option to unit-test arm-smmu-v3 driver functions.
429 	bool "NVIDIA Tegra241 CMDQ-V extension support for ARM SMMUv3"
432 	  Support for NVIDIA CMDQ-Virtualization extension for ARM SMMUv3. The
433 	  CMDQ-V extension is similar to v3.3 ECMDQ for multi command queues
437 	  CMDQ-V extension.
490 	bool "Hyper-V IRQ Handling"
495 	  Stub IOMMU driver to handle IRQs to support Hyper-V Linux
506 	  Para-virtualised IOMMU driver with virtio.