1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19 #ifndef _UAPIVFIO_H 20 #define _UAPIVFIO_H 21 #include <linux/types.h> 22 #include <linux/ioctl.h> 23 #define VFIO_API_VERSION 0 24 #define VFIO_TYPE1_IOMMU 1 25 #define VFIO_SPAPR_TCE_IOMMU 2 26 #define VFIO_TYPE1v2_IOMMU 3 27 #define VFIO_DMA_CC_IOMMU 4 28 #define VFIO_EEH 5 29 #define VFIO_TYPE1_NESTING_IOMMU 6 30 #define VFIO_SPAPR_TCE_v2_IOMMU 7 31 #define VFIO_NOIOMMU_IOMMU 8 32 #define VFIO_TYPE (';') 33 #define VFIO_BASE 100 34 struct vfio_info_cap_header { 35 __u16 id; 36 __u16 version; 37 __u32 next; 38 }; 39 #define VFIO_GET_API_VERSION _IO(VFIO_TYPE, VFIO_BASE + 0) 40 #define VFIO_CHECK_EXTENSION _IO(VFIO_TYPE, VFIO_BASE + 1) 41 #define VFIO_SET_IOMMU _IO(VFIO_TYPE, VFIO_BASE + 2) 42 struct vfio_group_status { 43 __u32 argsz; 44 __u32 flags; 45 #define VFIO_GROUP_FLAGS_VIABLE (1 << 0) 46 #define VFIO_GROUP_FLAGS_CONTAINER_SET (1 << 1) 47 }; 48 #define VFIO_GROUP_GET_STATUS _IO(VFIO_TYPE, VFIO_BASE + 3) 49 #define VFIO_GROUP_SET_CONTAINER _IO(VFIO_TYPE, VFIO_BASE + 4) 50 #define VFIO_GROUP_UNSET_CONTAINER _IO(VFIO_TYPE, VFIO_BASE + 5) 51 #define VFIO_GROUP_GET_DEVICE_FD _IO(VFIO_TYPE, VFIO_BASE + 6) 52 struct vfio_device_info { 53 __u32 argsz; 54 __u32 flags; 55 #define VFIO_DEVICE_FLAGS_RESET (1 << 0) 56 #define VFIO_DEVICE_FLAGS_PCI (1 << 1) 57 #define VFIO_DEVICE_FLAGS_PLATFORM (1 << 2) 58 #define VFIO_DEVICE_FLAGS_AMBA (1 << 3) 59 __u32 num_regions; 60 __u32 num_irqs; 61 }; 62 #define VFIO_DEVICE_GET_INFO _IO(VFIO_TYPE, VFIO_BASE + 7) 63 #define VFIO_DEVICE_API_PCI_STRING "vfio-pci" 64 #define VFIO_DEVICE_API_PLATFORM_STRING "vfio-platform" 65 #define VFIO_DEVICE_API_AMBA_STRING "vfio-amba" 66 struct vfio_region_info { 67 __u32 argsz; 68 __u32 flags; 69 #define VFIO_REGION_INFO_FLAG_READ (1 << 0) 70 #define VFIO_REGION_INFO_FLAG_WRITE (1 << 1) 71 #define VFIO_REGION_INFO_FLAG_MMAP (1 << 2) 72 #define VFIO_REGION_INFO_FLAG_CAPS (1 << 3) 73 __u32 index; 74 __u32 cap_offset; 75 __u64 size; 76 __u64 offset; 77 }; 78 #define VFIO_DEVICE_GET_REGION_INFO _IO(VFIO_TYPE, VFIO_BASE + 8) 79 #define VFIO_REGION_INFO_CAP_SPARSE_MMAP 1 80 struct vfio_region_sparse_mmap_area { 81 __u64 offset; 82 __u64 size; 83 }; 84 struct vfio_region_info_cap_sparse_mmap { 85 struct vfio_info_cap_header header; 86 __u32 nr_areas; 87 __u32 reserved; 88 struct vfio_region_sparse_mmap_area areas[]; 89 }; 90 #define VFIO_REGION_INFO_CAP_TYPE 2 91 struct vfio_region_info_cap_type { 92 struct vfio_info_cap_header header; 93 __u32 type; 94 __u32 subtype; 95 }; 96 #define VFIO_REGION_TYPE_PCI_VENDOR_TYPE (1 << 31) 97 #define VFIO_REGION_TYPE_PCI_VENDOR_MASK (0xffff) 98 #define VFIO_REGION_SUBTYPE_INTEL_IGD_OPREGION (1) 99 #define VFIO_REGION_SUBTYPE_INTEL_IGD_HOST_CFG (2) 100 #define VFIO_REGION_SUBTYPE_INTEL_IGD_LPC_CFG (3) 101 struct vfio_irq_info { 102 __u32 argsz; 103 __u32 flags; 104 #define VFIO_IRQ_INFO_EVENTFD (1 << 0) 105 #define VFIO_IRQ_INFO_MASKABLE (1 << 1) 106 #define VFIO_IRQ_INFO_AUTOMASKED (1 << 2) 107 #define VFIO_IRQ_INFO_NORESIZE (1 << 3) 108 __u32 index; 109 __u32 count; 110 }; 111 #define VFIO_DEVICE_GET_IRQ_INFO _IO(VFIO_TYPE, VFIO_BASE + 9) 112 struct vfio_irq_set { 113 __u32 argsz; 114 __u32 flags; 115 #define VFIO_IRQ_SET_DATA_NONE (1 << 0) 116 #define VFIO_IRQ_SET_DATA_BOOL (1 << 1) 117 #define VFIO_IRQ_SET_DATA_EVENTFD (1 << 2) 118 #define VFIO_IRQ_SET_ACTION_MASK (1 << 3) 119 #define VFIO_IRQ_SET_ACTION_UNMASK (1 << 4) 120 #define VFIO_IRQ_SET_ACTION_TRIGGER (1 << 5) 121 __u32 index; 122 __u32 start; 123 __u32 count; 124 __u8 data[]; 125 }; 126 #define VFIO_DEVICE_SET_IRQS _IO(VFIO_TYPE, VFIO_BASE + 10) 127 #define VFIO_IRQ_SET_DATA_TYPE_MASK (VFIO_IRQ_SET_DATA_NONE | VFIO_IRQ_SET_DATA_BOOL | VFIO_IRQ_SET_DATA_EVENTFD) 128 #define VFIO_IRQ_SET_ACTION_TYPE_MASK (VFIO_IRQ_SET_ACTION_MASK | VFIO_IRQ_SET_ACTION_UNMASK | VFIO_IRQ_SET_ACTION_TRIGGER) 129 #define VFIO_DEVICE_RESET _IO(VFIO_TYPE, VFIO_BASE + 11) 130 enum { 131 VFIO_PCI_BAR0_REGION_INDEX, 132 VFIO_PCI_BAR1_REGION_INDEX, 133 VFIO_PCI_BAR2_REGION_INDEX, 134 VFIO_PCI_BAR3_REGION_INDEX, 135 VFIO_PCI_BAR4_REGION_INDEX, 136 VFIO_PCI_BAR5_REGION_INDEX, 137 VFIO_PCI_ROM_REGION_INDEX, 138 VFIO_PCI_CONFIG_REGION_INDEX, 139 VFIO_PCI_VGA_REGION_INDEX, 140 VFIO_PCI_NUM_REGIONS = 9 141 }; 142 enum { 143 VFIO_PCI_INTX_IRQ_INDEX, 144 VFIO_PCI_MSI_IRQ_INDEX, 145 VFIO_PCI_MSIX_IRQ_INDEX, 146 VFIO_PCI_ERR_IRQ_INDEX, 147 VFIO_PCI_REQ_IRQ_INDEX, 148 VFIO_PCI_NUM_IRQS 149 }; 150 struct vfio_pci_dependent_device { 151 __u32 group_id; 152 __u16 segment; 153 __u8 bus; 154 __u8 devfn; 155 }; 156 struct vfio_pci_hot_reset_info { 157 __u32 argsz; 158 __u32 flags; 159 __u32 count; 160 struct vfio_pci_dependent_device devices[]; 161 }; 162 #define VFIO_DEVICE_GET_PCI_HOT_RESET_INFO _IO(VFIO_TYPE, VFIO_BASE + 12) 163 struct vfio_pci_hot_reset { 164 __u32 argsz; 165 __u32 flags; 166 __u32 count; 167 __s32 group_fds[]; 168 }; 169 #define VFIO_DEVICE_PCI_HOT_RESET _IO(VFIO_TYPE, VFIO_BASE + 13) 170 struct vfio_iommu_type1_info { 171 __u32 argsz; 172 __u32 flags; 173 #define VFIO_IOMMU_INFO_PGSIZES (1 << 0) 174 __u64 iova_pgsizes; 175 }; 176 #define VFIO_IOMMU_GET_INFO _IO(VFIO_TYPE, VFIO_BASE + 12) 177 struct vfio_iommu_type1_dma_map { 178 __u32 argsz; 179 __u32 flags; 180 #define VFIO_DMA_MAP_FLAG_READ (1 << 0) 181 #define VFIO_DMA_MAP_FLAG_WRITE (1 << 1) 182 __u64 vaddr; 183 __u64 iova; 184 __u64 size; 185 }; 186 #define VFIO_IOMMU_MAP_DMA _IO(VFIO_TYPE, VFIO_BASE + 13) 187 struct vfio_iommu_type1_dma_unmap { 188 __u32 argsz; 189 __u32 flags; 190 __u64 iova; 191 __u64 size; 192 }; 193 #define VFIO_IOMMU_UNMAP_DMA _IO(VFIO_TYPE, VFIO_BASE + 14) 194 #define VFIO_IOMMU_ENABLE _IO(VFIO_TYPE, VFIO_BASE + 15) 195 #define VFIO_IOMMU_DISABLE _IO(VFIO_TYPE, VFIO_BASE + 16) 196 struct vfio_iommu_spapr_tce_ddw_info { 197 __u64 pgsizes; 198 __u32 max_dynamic_windows_supported; 199 __u32 levels; 200 }; 201 struct vfio_iommu_spapr_tce_info { 202 __u32 argsz; 203 __u32 flags; 204 #define VFIO_IOMMU_SPAPR_INFO_DDW (1 << 0) 205 __u32 dma32_window_start; 206 __u32 dma32_window_size; 207 struct vfio_iommu_spapr_tce_ddw_info ddw; 208 }; 209 #define VFIO_IOMMU_SPAPR_TCE_GET_INFO _IO(VFIO_TYPE, VFIO_BASE + 12) 210 struct vfio_eeh_pe_err { 211 __u32 type; 212 __u32 func; 213 __u64 addr; 214 __u64 mask; 215 }; 216 struct vfio_eeh_pe_op { 217 __u32 argsz; 218 __u32 flags; 219 __u32 op; 220 union { 221 struct vfio_eeh_pe_err err; 222 }; 223 }; 224 #define VFIO_EEH_PE_DISABLE 0 225 #define VFIO_EEH_PE_ENABLE 1 226 #define VFIO_EEH_PE_UNFREEZE_IO 2 227 #define VFIO_EEH_PE_UNFREEZE_DMA 3 228 #define VFIO_EEH_PE_GET_STATE 4 229 #define VFIO_EEH_PE_STATE_NORMAL 0 230 #define VFIO_EEH_PE_STATE_RESET 1 231 #define VFIO_EEH_PE_STATE_STOPPED 2 232 #define VFIO_EEH_PE_STATE_STOPPED_DMA 4 233 #define VFIO_EEH_PE_STATE_UNAVAIL 5 234 #define VFIO_EEH_PE_RESET_DEACTIVATE 5 235 #define VFIO_EEH_PE_RESET_HOT 6 236 #define VFIO_EEH_PE_RESET_FUNDAMENTAL 7 237 #define VFIO_EEH_PE_CONFIGURE 8 238 #define VFIO_EEH_PE_INJECT_ERR 9 239 #define VFIO_EEH_PE_OP _IO(VFIO_TYPE, VFIO_BASE + 21) 240 struct vfio_iommu_spapr_register_memory { 241 __u32 argsz; 242 __u32 flags; 243 __u64 vaddr; 244 __u64 size; 245 }; 246 #define VFIO_IOMMU_SPAPR_REGISTER_MEMORY _IO(VFIO_TYPE, VFIO_BASE + 17) 247 #define VFIO_IOMMU_SPAPR_UNREGISTER_MEMORY _IO(VFIO_TYPE, VFIO_BASE + 18) 248 struct vfio_iommu_spapr_tce_create { 249 __u32 argsz; 250 __u32 flags; 251 __u32 page_shift; 252 __u32 __resv1; 253 __u64 window_size; 254 __u32 levels; 255 __u32 __resv2; 256 __u64 start_addr; 257 }; 258 #define VFIO_IOMMU_SPAPR_TCE_CREATE _IO(VFIO_TYPE, VFIO_BASE + 19) 259 struct vfio_iommu_spapr_tce_remove { 260 __u32 argsz; 261 __u32 flags; 262 __u64 start_addr; 263 }; 264 #define VFIO_IOMMU_SPAPR_TCE_REMOVE _IO(VFIO_TYPE, VFIO_BASE + 20) 265 #endif 266