Ohad Ben-Cohen | ab493a0 | 2011-06-02 02:48:05 +0300 | [diff] [blame] | 1 | # IOMMU_API always gets selected by whoever wants it. |
| 2 | config IOMMU_API |
| 3 | bool |
Ohad Ben-Cohen | b10f127 | 2011-06-02 03:20:08 +0300 | [diff] [blame] | 4 | |
Joerg Roedel | 68255b6 | 2011-06-14 15:51:54 +0200 | [diff] [blame] | 5 | menuconfig IOMMU_SUPPORT |
| 6 | bool "IOMMU Hardware Support" |
Arnd Bergmann | e5144c9 | 2015-01-28 15:45:53 +0100 | [diff] [blame] | 7 | depends on MMU |
Joerg Roedel | 68255b6 | 2011-06-14 15:51:54 +0200 | [diff] [blame] | 8 | default y |
| 9 | ---help--- |
| 10 | Say Y here if you want to compile device drivers for IO Memory |
| 11 | Management Units into the kernel. These devices usually allow to |
| 12 | remap DMA requests and/or remap interrupts from other devices on the |
| 13 | system. |
| 14 | |
| 15 | if IOMMU_SUPPORT |
| 16 | |
Will Deacon | fdb1d7b | 2014-11-14 17:16:49 +0000 | [diff] [blame] | 17 | menu "Generic IOMMU Pagetable Support" |
| 18 | |
| 19 | # Selected by the actual pagetable implementations |
| 20 | config IOMMU_IO_PGTABLE |
| 21 | bool |
| 22 | |
Will Deacon | e1d3c0f | 2014-11-14 17:18:23 +0000 | [diff] [blame] | 23 | config IOMMU_IO_PGTABLE_LPAE |
| 24 | bool "ARMv7/v8 Long Descriptor Format" |
| 25 | select IOMMU_IO_PGTABLE |
Robin Murphy | ffcb6d1 | 2015-09-17 17:42:16 +0100 | [diff] [blame] | 26 | depends on HAS_DMA && (ARM || ARM64 || COMPILE_TEST) |
Will Deacon | e1d3c0f | 2014-11-14 17:18:23 +0000 | [diff] [blame] | 27 | help |
| 28 | Enable support for the ARM long descriptor pagetable format. |
| 29 | This allocator supports 4K/2M/1G, 16K/32M and 64K/512M page |
| 30 | sizes at both stage-1 and stage-2, as well as address spaces |
| 31 | up to 48-bits in size. |
| 32 | |
Will Deacon | fe4b991 | 2014-11-17 23:31:12 +0000 | [diff] [blame] | 33 | config IOMMU_IO_PGTABLE_LPAE_SELFTEST |
| 34 | bool "LPAE selftests" |
| 35 | depends on IOMMU_IO_PGTABLE_LPAE |
| 36 | help |
| 37 | Enable self-tests for LPAE page table allocator. This performs |
| 38 | a series of page-table consistency checks during boot. |
| 39 | |
| 40 | If unsure, say N here. |
| 41 | |
Robin Murphy | e5fc975 | 2016-01-26 17:13:13 +0000 | [diff] [blame] | 42 | config IOMMU_IO_PGTABLE_ARMV7S |
| 43 | bool "ARMv7/v8 Short Descriptor Format" |
| 44 | select IOMMU_IO_PGTABLE |
| 45 | depends on HAS_DMA && (ARM || ARM64 || COMPILE_TEST) |
| 46 | help |
| 47 | Enable support for the ARM Short-descriptor pagetable format. |
| 48 | This supports 32-bit virtual and physical addresses mapped using |
| 49 | 2-level tables with 4KB pages/1MB sections, and contiguous entries |
| 50 | for 64KB pages/16MB supersections if indicated by the IOMMU driver. |
| 51 | |
| 52 | config IOMMU_IO_PGTABLE_ARMV7S_SELFTEST |
| 53 | bool "ARMv7s selftests" |
| 54 | depends on IOMMU_IO_PGTABLE_ARMV7S |
| 55 | help |
| 56 | Enable self-tests for ARMv7s page table allocator. This performs |
| 57 | a series of page-table consistency checks during boot. |
| 58 | |
| 59 | If unsure, say N here. |
| 60 | |
Will Deacon | fdb1d7b | 2014-11-14 17:16:49 +0000 | [diff] [blame] | 61 | endmenu |
| 62 | |
Robin Murphy | 114150d | 2015-01-12 17:51:13 +0000 | [diff] [blame] | 63 | config IOMMU_IOVA |
Sakari Ailus | 15bbdec | 2015-07-13 14:31:30 +0300 | [diff] [blame] | 64 | tristate |
Robin Murphy | 114150d | 2015-01-12 17:51:13 +0000 | [diff] [blame] | 65 | |
Hiroshi Doyu | 4e0ee78 | 2012-06-25 14:23:54 +0300 | [diff] [blame] | 66 | config OF_IOMMU |
| 67 | def_bool y |
Will Deacon | 7eba1d5 | 2014-08-27 16:20:32 +0100 | [diff] [blame] | 68 | depends on OF && IOMMU_API |
Hiroshi Doyu | 4e0ee78 | 2012-06-25 14:23:54 +0300 | [diff] [blame] | 69 | |
Robin Murphy | 0db2e5d | 2015-10-01 20:13:58 +0100 | [diff] [blame] | 70 | # IOMMU-agnostic DMA-mapping layer |
| 71 | config IOMMU_DMA |
| 72 | bool |
Robin Murphy | 0db2e5d | 2015-10-01 20:13:58 +0100 | [diff] [blame] | 73 | select IOMMU_API |
| 74 | select IOMMU_IOVA |
Robin Murphy | 59a68eb | 2016-02-29 11:13:39 +0000 | [diff] [blame] | 75 | select NEED_SG_DMA_LENGTH |
Robin Murphy | 0db2e5d | 2015-10-01 20:13:58 +0100 | [diff] [blame] | 76 | |
Varun Sethi | 695093e | 2013-07-15 10:20:57 +0530 | [diff] [blame] | 77 | config FSL_PAMU |
| 78 | bool "Freescale IOMMU support" |
Andy Fleming | a0d284d | 2016-03-16 23:15:44 -0500 | [diff] [blame] | 79 | depends on PPC_E500MC || (COMPILE_TEST && PPC) |
Varun Sethi | 695093e | 2013-07-15 10:20:57 +0530 | [diff] [blame] | 80 | select IOMMU_API |
| 81 | select GENERIC_ALLOCATOR |
| 82 | help |
| 83 | Freescale PAMU support. PAMU is the IOMMU present on Freescale QorIQ platforms. |
| 84 | PAMU can authorize memory access, remap the memory address, and remap I/O |
| 85 | transaction types. |
| 86 | |
Ohad Ben-Cohen | b10f127 | 2011-06-02 03:20:08 +0300 | [diff] [blame] | 87 | # MSM IOMMU support |
| 88 | config MSM_IOMMU |
| 89 | bool "MSM IOMMU Support" |
Joerg Roedel | 477ab7a | 2015-01-20 16:13:33 +0100 | [diff] [blame] | 90 | depends on ARM |
| 91 | depends on ARCH_MSM8X60 || ARCH_MSM8960 || COMPILE_TEST |
Thierry Reding | a3f447a | 2015-02-06 11:44:08 +0100 | [diff] [blame] | 92 | depends on BROKEN |
Ohad Ben-Cohen | b10f127 | 2011-06-02 03:20:08 +0300 | [diff] [blame] | 93 | select IOMMU_API |
| 94 | help |
| 95 | Support for the IOMMUs found on certain Qualcomm SOCs. |
| 96 | These IOMMUs allow virtualization of the address space used by most |
| 97 | cores within the multimedia subsystem. |
| 98 | |
| 99 | If unsure, say N here. |
| 100 | |
| 101 | config IOMMU_PGTABLES_L2 |
| 102 | def_bool y |
| 103 | depends on MSM_IOMMU && MMU && SMP && CPU_DCACHE_DISABLE=n |
Ohad Ben-Cohen | 29b6841 | 2011-06-05 18:22:18 +0300 | [diff] [blame] | 104 | |
| 105 | # AMD IOMMU support |
| 106 | config AMD_IOMMU |
| 107 | bool "AMD IOMMU support" |
| 108 | select SWIOTLB |
| 109 | select PCI_MSI |
Joerg Roedel | 52815b7 | 2011-11-17 17:24:28 +0100 | [diff] [blame] | 110 | select PCI_ATS |
| 111 | select PCI_PRI |
| 112 | select PCI_PASID |
Ohad Ben-Cohen | 29b6841 | 2011-06-05 18:22:18 +0300 | [diff] [blame] | 113 | select IOMMU_API |
Thomas Petazzoni | 0dbc607 | 2013-10-03 11:59:14 +0200 | [diff] [blame] | 114 | depends on X86_64 && PCI && ACPI |
Ohad Ben-Cohen | 29b6841 | 2011-06-05 18:22:18 +0300 | [diff] [blame] | 115 | ---help--- |
| 116 | With this option you can enable support for AMD IOMMU hardware in |
| 117 | your system. An IOMMU is a hardware component which provides |
| 118 | remapping of DMA memory accesses from devices. With an AMD IOMMU you |
Masanari Iida | 59bf896 | 2012-04-18 00:01:21 +0900 | [diff] [blame] | 119 | can isolate the DMA memory of different devices and protect the |
Ohad Ben-Cohen | 29b6841 | 2011-06-05 18:22:18 +0300 | [diff] [blame] | 120 | system from misbehaving device drivers or hardware. |
| 121 | |
| 122 | You can find out if your system has an AMD IOMMU if you look into |
| 123 | your BIOS for an option to enable it or if you have an IVRS ACPI |
| 124 | table. |
| 125 | |
Joerg Roedel | e3c495c | 2011-11-09 12:31:15 +0100 | [diff] [blame] | 126 | config AMD_IOMMU_V2 |
Kees Cook | a446e21 | 2013-01-16 18:53:39 -0800 | [diff] [blame] | 127 | tristate "AMD IOMMU Version 2 driver" |
Borislav Petkov | e5cac32 | 2014-07-10 12:44:56 +0200 | [diff] [blame] | 128 | depends on AMD_IOMMU |
Joerg Roedel | 8736b2c | 2011-11-24 16:21:52 +0100 | [diff] [blame] | 129 | select MMU_NOTIFIER |
Joerg Roedel | e3c495c | 2011-11-09 12:31:15 +0100 | [diff] [blame] | 130 | ---help--- |
| 131 | This option enables support for the AMD IOMMUv2 features of the IOMMU |
| 132 | hardware. Select this option if you want to use devices that support |
Masanari Iida | 59bf896 | 2012-04-18 00:01:21 +0900 | [diff] [blame] | 133 | the PCI PRI and PASID interface. |
Joerg Roedel | e3c495c | 2011-11-09 12:31:15 +0100 | [diff] [blame] | 134 | |
Ohad Ben-Cohen | 166e927 | 2011-06-10 21:42:27 +0300 | [diff] [blame] | 135 | # Intel IOMMU support |
Suresh Siddha | d3f1381 | 2011-08-23 17:05:25 -0700 | [diff] [blame] | 136 | config DMAR_TABLE |
| 137 | bool |
| 138 | |
| 139 | config INTEL_IOMMU |
| 140 | bool "Support for Intel IOMMU using DMA Remapping Devices" |
Ohad Ben-Cohen | 166e927 | 2011-06-10 21:42:27 +0300 | [diff] [blame] | 141 | depends on PCI_MSI && ACPI && (X86 || IA64_GENERIC) |
| 142 | select IOMMU_API |
Robin Murphy | 114150d | 2015-01-12 17:51:13 +0000 | [diff] [blame] | 143 | select IOMMU_IOVA |
Suresh Siddha | d3f1381 | 2011-08-23 17:05:25 -0700 | [diff] [blame] | 144 | select DMAR_TABLE |
Ohad Ben-Cohen | 166e927 | 2011-06-10 21:42:27 +0300 | [diff] [blame] | 145 | help |
| 146 | DMA remapping (DMAR) devices support enables independent address |
| 147 | translations for Direct Memory Access (DMA) from devices. |
| 148 | These DMA remapping devices are reported via ACPI tables |
| 149 | and include PCI device scope covered by these DMA |
| 150 | remapping devices. |
| 151 | |
David Woodhouse | 8a94ade | 2015-03-24 14:54:56 +0000 | [diff] [blame] | 152 | config INTEL_IOMMU_SVM |
| 153 | bool "Support for Shared Virtual Memory with Intel IOMMU" |
| 154 | depends on INTEL_IOMMU && X86 |
David Woodhouse | b16d0cb | 2015-10-12 14:17:37 +0100 | [diff] [blame] | 155 | select PCI_PASID |
David Woodhouse | 2f26e0a | 2015-09-09 11:40:47 +0100 | [diff] [blame] | 156 | select MMU_NOTIFIER |
David Woodhouse | 8a94ade | 2015-03-24 14:54:56 +0000 | [diff] [blame] | 157 | help |
| 158 | Shared Virtual Memory (SVM) provides a facility for devices |
| 159 | to access DMA resources through process address space by |
| 160 | means of a Process Address Space ID (PASID). |
| 161 | |
Suresh Siddha | d3f1381 | 2011-08-23 17:05:25 -0700 | [diff] [blame] | 162 | config INTEL_IOMMU_DEFAULT_ON |
Ohad Ben-Cohen | 166e927 | 2011-06-10 21:42:27 +0300 | [diff] [blame] | 163 | def_bool y |
Suresh Siddha | d3f1381 | 2011-08-23 17:05:25 -0700 | [diff] [blame] | 164 | prompt "Enable Intel DMA Remapping Devices by default" |
| 165 | depends on INTEL_IOMMU |
Ohad Ben-Cohen | 166e927 | 2011-06-10 21:42:27 +0300 | [diff] [blame] | 166 | help |
| 167 | Selecting this option will enable a DMAR device at boot time if |
| 168 | one is found. If this option is not selected, DMAR support can |
| 169 | be enabled by passing intel_iommu=on to the kernel. |
| 170 | |
Suresh Siddha | d3f1381 | 2011-08-23 17:05:25 -0700 | [diff] [blame] | 171 | config INTEL_IOMMU_BROKEN_GFX_WA |
Ohad Ben-Cohen | 166e927 | 2011-06-10 21:42:27 +0300 | [diff] [blame] | 172 | bool "Workaround broken graphics drivers (going away soon)" |
Suresh Siddha | d3f1381 | 2011-08-23 17:05:25 -0700 | [diff] [blame] | 173 | depends on INTEL_IOMMU && BROKEN && X86 |
Ohad Ben-Cohen | 166e927 | 2011-06-10 21:42:27 +0300 | [diff] [blame] | 174 | ---help--- |
| 175 | Current Graphics drivers tend to use physical address |
| 176 | for DMA and avoid using DMA APIs. Setting this config |
| 177 | option permits the IOMMU driver to set a unity map for |
| 178 | all the OS-visible memory. Hence the driver can continue |
| 179 | to use physical addresses for DMA, at least until this |
| 180 | option is removed in the 2.6.32 kernel. |
| 181 | |
Suresh Siddha | d3f1381 | 2011-08-23 17:05:25 -0700 | [diff] [blame] | 182 | config INTEL_IOMMU_FLOPPY_WA |
Ohad Ben-Cohen | 166e927 | 2011-06-10 21:42:27 +0300 | [diff] [blame] | 183 | def_bool y |
Suresh Siddha | d3f1381 | 2011-08-23 17:05:25 -0700 | [diff] [blame] | 184 | depends on INTEL_IOMMU && X86 |
Ohad Ben-Cohen | 166e927 | 2011-06-10 21:42:27 +0300 | [diff] [blame] | 185 | ---help--- |
| 186 | Floppy disk drivers are known to bypass DMA API calls |
| 187 | thereby failing to work when IOMMU is enabled. This |
| 188 | workaround will setup a 1:1 mapping for the first |
| 189 | 16MiB to make floppy (an ISA device) work. |
| 190 | |
Suresh Siddha | d3f1381 | 2011-08-23 17:05:25 -0700 | [diff] [blame] | 191 | config IRQ_REMAP |
Kees Cook | a446e21 | 2013-01-16 18:53:39 -0800 | [diff] [blame] | 192 | bool "Support for Interrupt Remapping" |
| 193 | depends on X86_64 && X86_IO_APIC && PCI_MSI && ACPI |
Suresh Siddha | d3f1381 | 2011-08-23 17:05:25 -0700 | [diff] [blame] | 194 | select DMAR_TABLE |
Ohad Ben-Cohen | 166e927 | 2011-06-10 21:42:27 +0300 | [diff] [blame] | 195 | ---help--- |
| 196 | Supports Interrupt remapping for IO-APIC and MSI devices. |
| 197 | To use x2apic mode in the CPU's which support x2APIC enhancements or |
| 198 | to support platforms with CPU's having > 8 bit APIC ID, say Y. |
Joerg Roedel | 68255b6 | 2011-06-14 15:51:54 +0200 | [diff] [blame] | 199 | |
Ohad Ben-Cohen | fcf3a6e | 2011-08-15 23:21:41 +0300 | [diff] [blame] | 200 | # OMAP IOMMU support |
| 201 | config OMAP_IOMMU |
| 202 | bool "OMAP IOMMU Support" |
Joerg Roedel | 477ab7a | 2015-01-20 16:13:33 +0100 | [diff] [blame] | 203 | depends on ARM && MMU |
| 204 | depends on ARCH_OMAP2PLUS || COMPILE_TEST |
Ohad Ben-Cohen | fcf3a6e | 2011-08-15 23:21:41 +0300 | [diff] [blame] | 205 | select IOMMU_API |
Gerd Hoffmann | 06b718c | 2014-11-11 09:17:00 +0100 | [diff] [blame] | 206 | ---help--- |
| 207 | The OMAP3 media platform drivers depend on iommu support, |
| 208 | if you need them say Y here. |
Ohad Ben-Cohen | fcf3a6e | 2011-08-15 23:21:41 +0300 | [diff] [blame] | 209 | |
Ohad Ben-Cohen | fcf3a6e | 2011-08-15 23:21:41 +0300 | [diff] [blame] | 210 | config OMAP_IOMMU_DEBUG |
Suman Anna | 61c7535 | 2014-10-22 17:22:30 -0500 | [diff] [blame] | 211 | bool "Export OMAP IOMMU internals in DebugFS" |
| 212 | depends on OMAP_IOMMU && DEBUG_FS |
| 213 | ---help--- |
| 214 | Select this to see extensive information about |
| 215 | the internal state of OMAP IOMMU in debugfs. |
Ohad Ben-Cohen | fcf3a6e | 2011-08-15 23:21:41 +0300 | [diff] [blame] | 216 | |
Suman Anna | 61c7535 | 2014-10-22 17:22:30 -0500 | [diff] [blame] | 217 | Say N unless you know you need this. |
Ohad Ben-Cohen | fcf3a6e | 2011-08-15 23:21:41 +0300 | [diff] [blame] | 218 | |
Daniel Kurtz | c68a292 | 2014-11-03 10:53:27 +0800 | [diff] [blame] | 219 | config ROCKCHIP_IOMMU |
| 220 | bool "Rockchip IOMMU Support" |
Joerg Roedel | 1117588 | 2014-11-03 18:16:56 +0100 | [diff] [blame] | 221 | depends on ARM |
| 222 | depends on ARCH_ROCKCHIP || COMPILE_TEST |
Daniel Kurtz | c68a292 | 2014-11-03 10:53:27 +0800 | [diff] [blame] | 223 | select IOMMU_API |
| 224 | select ARM_DMA_USE_IOMMU |
| 225 | help |
| 226 | Support for IOMMUs found on Rockchip rk32xx SOCs. |
| 227 | These IOMMUs allow virtualization of the address space used by most |
| 228 | cores within the multimedia subsystem. |
| 229 | Say Y here if you are using a Rockchip SoC that includes an IOMMU |
| 230 | device. |
Ohad Ben-Cohen | ab493a0 | 2011-06-02 02:48:05 +0300 | [diff] [blame] | 231 | |
Hiroshi DOYU | d53e54b | 2011-11-16 17:36:37 +0200 | [diff] [blame] | 232 | config TEGRA_IOMMU_GART |
| 233 | bool "Tegra GART IOMMU Support" |
| 234 | depends on ARCH_TEGRA_2x_SOC |
| 235 | select IOMMU_API |
| 236 | help |
| 237 | Enables support for remapping discontiguous physical memory |
| 238 | shared with the operating system into contiguous I/O virtual |
| 239 | space through the GART (Graphics Address Relocation Table) |
| 240 | hardware included on Tegra SoCs. |
| 241 | |
Hiroshi DOYU | 7a31f6f | 2011-11-17 07:31:31 +0200 | [diff] [blame] | 242 | config TEGRA_IOMMU_SMMU |
Thierry Reding | 8918465 | 2014-04-16 09:24:44 +0200 | [diff] [blame] | 243 | bool "NVIDIA Tegra SMMU Support" |
| 244 | depends on ARCH_TEGRA |
| 245 | depends on TEGRA_AHB |
| 246 | depends on TEGRA_MC |
Hiroshi DOYU | 7a31f6f | 2011-11-17 07:31:31 +0200 | [diff] [blame] | 247 | select IOMMU_API |
| 248 | help |
Thierry Reding | 8918465 | 2014-04-16 09:24:44 +0200 | [diff] [blame] | 249 | This driver supports the IOMMU hardware (SMMU) found on NVIDIA Tegra |
Thierry Reding | 588c43a | 2015-03-23 10:45:12 +0100 | [diff] [blame] | 250 | SoCs (Tegra30 up to Tegra210). |
Hiroshi DOYU | 7a31f6f | 2011-11-17 07:31:31 +0200 | [diff] [blame] | 251 | |
KyongHo Cho | 2a96536 | 2012-05-12 05:56:09 +0900 | [diff] [blame] | 252 | config EXYNOS_IOMMU |
| 253 | bool "Exynos IOMMU Support" |
Marek Szyprowski | 740a01e | 2016-02-18 15:12:58 +0100 | [diff] [blame] | 254 | depends on ARCH_EXYNOS && MMU |
KyongHo Cho | 2a96536 | 2012-05-12 05:56:09 +0900 | [diff] [blame] | 255 | select IOMMU_API |
Tushar Behera | 4802c1d | 2014-07-04 15:01:08 +0530 | [diff] [blame] | 256 | select ARM_DMA_USE_IOMMU |
KyongHo Cho | 2a96536 | 2012-05-12 05:56:09 +0900 | [diff] [blame] | 257 | help |
Sachin Kamat | 5455d70 | 2014-05-22 09:50:55 +0530 | [diff] [blame] | 258 | Support for the IOMMU (System MMU) of Samsung Exynos application |
| 259 | processor family. This enables H/W multimedia accelerators to see |
| 260 | non-linear physical memory chunks as linear memory in their |
| 261 | address space. |
KyongHo Cho | 2a96536 | 2012-05-12 05:56:09 +0900 | [diff] [blame] | 262 | |
| 263 | If unsure, say N here. |
| 264 | |
| 265 | config EXYNOS_IOMMU_DEBUG |
| 266 | bool "Debugging log for Exynos IOMMU" |
| 267 | depends on EXYNOS_IOMMU |
| 268 | help |
| 269 | Select this to see the detailed log message that shows what |
Sachin Kamat | 5455d70 | 2014-05-22 09:50:55 +0530 | [diff] [blame] | 270 | happens in the IOMMU driver. |
KyongHo Cho | 2a96536 | 2012-05-12 05:56:09 +0900 | [diff] [blame] | 271 | |
Sachin Kamat | 5455d70 | 2014-05-22 09:50:55 +0530 | [diff] [blame] | 272 | Say N unless you need kernel log message for IOMMU debugging. |
KyongHo Cho | 2a96536 | 2012-05-12 05:56:09 +0900 | [diff] [blame] | 273 | |
Laurent Pinchart | d25a2a1 | 2014-04-02 12:47:37 +0200 | [diff] [blame] | 274 | config IPMMU_VMSA |
| 275 | bool "Renesas VMSA-compatible IPMMU" |
| 276 | depends on ARM_LPAE |
Simon Horman | 9015ba4 | 2016-02-22 10:41:35 +0900 | [diff] [blame] | 277 | depends on ARCH_RENESAS || COMPILE_TEST |
Laurent Pinchart | d25a2a1 | 2014-04-02 12:47:37 +0200 | [diff] [blame] | 278 | select IOMMU_API |
Laurent Pinchart | f20ed39 | 2015-01-20 18:30:04 +0200 | [diff] [blame] | 279 | select IOMMU_IO_PGTABLE_LPAE |
Laurent Pinchart | d25a2a1 | 2014-04-02 12:47:37 +0200 | [diff] [blame] | 280 | select ARM_DMA_USE_IOMMU |
| 281 | help |
| 282 | Support for the Renesas VMSA-compatible IPMMU Renesas found in the |
| 283 | R-Mobile APE6 and R-Car H2/M2 SoCs. |
| 284 | |
| 285 | If unsure, say N. |
| 286 | |
Alexey Kardashevskiy | 4e13c1a | 2013-05-21 13:33:09 +1000 | [diff] [blame] | 287 | config SPAPR_TCE_IOMMU |
| 288 | bool "sPAPR TCE IOMMU Support" |
Alexey Kardashevskiy | 5b25199 | 2013-05-21 13:33:11 +1000 | [diff] [blame] | 289 | depends on PPC_POWERNV || PPC_PSERIES |
Alexey Kardashevskiy | 4e13c1a | 2013-05-21 13:33:09 +1000 | [diff] [blame] | 290 | select IOMMU_API |
| 291 | help |
| 292 | Enables bits of IOMMU API required by VFIO. The iommu_ops |
| 293 | is not implemented as it is not necessary for VFIO. |
| 294 | |
Will Deacon | 48ec83b | 2015-05-27 17:25:59 +0100 | [diff] [blame] | 295 | # ARM IOMMU support |
Will Deacon | 45ae7cf | 2013-06-24 18:31:25 +0100 | [diff] [blame] | 296 | config ARM_SMMU |
| 297 | bool "ARM Ltd. System MMU (SMMU) Support" |
Joerg Roedel | a20cc76 | 2015-02-04 16:53:44 +0100 | [diff] [blame] | 298 | depends on (ARM64 || ARM) && MMU |
Will Deacon | 45ae7cf | 2013-06-24 18:31:25 +0100 | [diff] [blame] | 299 | select IOMMU_API |
Will Deacon | 518f713 | 2014-11-14 17:17:54 +0000 | [diff] [blame] | 300 | select IOMMU_IO_PGTABLE_LPAE |
Will Deacon | 45ae7cf | 2013-06-24 18:31:25 +0100 | [diff] [blame] | 301 | select ARM_DMA_USE_IOMMU if ARM |
| 302 | help |
| 303 | Support for implementations of the ARM System MMU architecture |
Will Deacon | 518f713 | 2014-11-14 17:17:54 +0000 | [diff] [blame] | 304 | versions 1 and 2. |
Will Deacon | 45ae7cf | 2013-06-24 18:31:25 +0100 | [diff] [blame] | 305 | |
| 306 | Say Y here if your SoC includes an IOMMU device implementing |
| 307 | the ARM SMMU architecture. |
| 308 | |
Will Deacon | 48ec83b | 2015-05-27 17:25:59 +0100 | [diff] [blame] | 309 | config ARM_SMMU_V3 |
| 310 | bool "ARM Ltd. System MMU Version 3 (SMMUv3) Support" |
| 311 | depends on ARM64 && PCI |
| 312 | select IOMMU_API |
| 313 | select IOMMU_IO_PGTABLE_LPAE |
Marc Zyngier | 166bdbd | 2015-10-13 18:32:30 +0100 | [diff] [blame] | 314 | select GENERIC_MSI_IRQ_DOMAIN |
Will Deacon | 48ec83b | 2015-05-27 17:25:59 +0100 | [diff] [blame] | 315 | help |
| 316 | Support for implementations of the ARM System MMU architecture |
| 317 | version 3 providing translation support to a PCIe root complex. |
| 318 | |
| 319 | Say Y here if your system includes an IOMMU device implementing |
| 320 | the ARM SMMUv3 architecture. |
| 321 | |
Gerald Schaefer | 8128f23 | 2015-08-27 15:33:03 +0200 | [diff] [blame] | 322 | config S390_IOMMU |
| 323 | def_bool y if S390 && PCI |
| 324 | depends on S390 && PCI |
| 325 | select IOMMU_API |
| 326 | help |
| 327 | Support for the IOMMU API for s390 PCI devices. |
| 328 | |
Yong Wu | 0df4fab | 2016-02-23 01:20:50 +0800 | [diff] [blame] | 329 | config MTK_IOMMU |
| 330 | bool "MTK IOMMU Support" |
| 331 | depends on ARM || ARM64 |
| 332 | depends on ARCH_MEDIATEK || COMPILE_TEST |
Arnd Bergmann | 1928832 | 2016-02-29 10:19:06 +0100 | [diff] [blame] | 333 | select ARM_DMA_USE_IOMMU |
Yong Wu | 0df4fab | 2016-02-23 01:20:50 +0800 | [diff] [blame] | 334 | select IOMMU_API |
| 335 | select IOMMU_DMA |
| 336 | select IOMMU_IO_PGTABLE_ARMV7S |
| 337 | select MEMORY |
| 338 | select MTK_SMI |
| 339 | help |
| 340 | Support for the M4U on certain Mediatek SOCs. M4U is MultiMedia |
| 341 | Memory Management Unit. This option enables remapping of DMA memory |
| 342 | accesses for the multimedia subsystem. |
| 343 | |
| 344 | If unsure, say N here. |
| 345 | |
Ohad Ben-Cohen | ab493a0 | 2011-06-02 02:48:05 +0300 | [diff] [blame] | 346 | endif # IOMMU_SUPPORT |