161 lines
4.6 KiB
C
161 lines
4.6 KiB
C
/****************************************************************************
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****************************************************************************
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***
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*** This header was automatically generated from a Linux kernel header
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*** of the same name, to make information necessary for userspace to
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*** call into the kernel available to libc. It contains only constants,
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*** structures, and macros generated from the original header, and thus,
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*** contains no copyrightable information.
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***
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*** To edit the content of this header, modify the corresponding
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*** source file (e.g. under external/kernel-headers/original/) then
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*** run bionic/libc/kernel/tools/update_all.py
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***
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*** Any manual change here will be lost the next time this script will
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*** be run. You've been warned!
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***
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****************************************************************************
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****************************************************************************/
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#ifndef _UAPI_IOMMU_H
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#define _UAPI_IOMMU_H
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#include <linux/types.h>
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#define IOMMU_FAULT_PERM_READ (1 << 0)
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#define IOMMU_FAULT_PERM_WRITE (1 << 1)
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#define IOMMU_FAULT_PERM_EXEC (1 << 2)
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#define IOMMU_FAULT_PERM_PRIV (1 << 3)
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enum iommu_fault_type {
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IOMMU_FAULT_DMA_UNRECOV = 1,
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IOMMU_FAULT_PAGE_REQ,
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};
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enum iommu_fault_reason {
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IOMMU_FAULT_REASON_UNKNOWN = 0,
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IOMMU_FAULT_REASON_PASID_FETCH,
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IOMMU_FAULT_REASON_BAD_PASID_ENTRY,
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IOMMU_FAULT_REASON_PASID_INVALID,
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IOMMU_FAULT_REASON_WALK_EABT,
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IOMMU_FAULT_REASON_PTE_FETCH,
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IOMMU_FAULT_REASON_PERMISSION,
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IOMMU_FAULT_REASON_ACCESS,
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IOMMU_FAULT_REASON_OOR_ADDRESS,
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};
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struct iommu_fault_unrecoverable {
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__u32 reason;
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#define IOMMU_FAULT_UNRECOV_PASID_VALID (1 << 0)
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#define IOMMU_FAULT_UNRECOV_ADDR_VALID (1 << 1)
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#define IOMMU_FAULT_UNRECOV_FETCH_ADDR_VALID (1 << 2)
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__u32 flags;
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__u32 pasid;
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__u32 perm;
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__u64 addr;
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__u64 fetch_addr;
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};
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struct iommu_fault_page_request {
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#define IOMMU_FAULT_PAGE_REQUEST_PASID_VALID (1 << 0)
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#define IOMMU_FAULT_PAGE_REQUEST_LAST_PAGE (1 << 1)
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#define IOMMU_FAULT_PAGE_REQUEST_PRIV_DATA (1 << 2)
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#define IOMMU_FAULT_PAGE_RESPONSE_NEEDS_PASID (1 << 3)
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__u32 flags;
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__u32 pasid;
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__u32 grpid;
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__u32 perm;
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__u64 addr;
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__u64 private_data[2];
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};
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struct iommu_fault {
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__u32 type;
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__u32 padding;
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union {
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struct iommu_fault_unrecoverable event;
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struct iommu_fault_page_request prm;
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__u8 padding2[56];
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};
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};
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enum iommu_page_response_code {
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IOMMU_PAGE_RESP_SUCCESS = 0,
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IOMMU_PAGE_RESP_INVALID,
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IOMMU_PAGE_RESP_FAILURE,
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};
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struct iommu_page_response {
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__u32 argsz;
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#define IOMMU_PAGE_RESP_VERSION_1 1
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__u32 version;
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#define IOMMU_PAGE_RESP_PASID_VALID (1 << 0)
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__u32 flags;
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__u32 pasid;
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__u32 grpid;
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__u32 code;
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};
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enum iommu_inv_granularity {
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IOMMU_INV_GRANU_DOMAIN,
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IOMMU_INV_GRANU_PASID,
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IOMMU_INV_GRANU_ADDR,
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IOMMU_INV_GRANU_NR,
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};
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struct iommu_inv_addr_info {
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#define IOMMU_INV_ADDR_FLAGS_PASID (1 << 0)
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#define IOMMU_INV_ADDR_FLAGS_ARCHID (1 << 1)
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#define IOMMU_INV_ADDR_FLAGS_LEAF (1 << 2)
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__u32 flags;
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__u32 archid;
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__u64 pasid;
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__u64 addr;
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__u64 granule_size;
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__u64 nb_granules;
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};
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struct iommu_inv_pasid_info {
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#define IOMMU_INV_PASID_FLAGS_PASID (1 << 0)
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#define IOMMU_INV_PASID_FLAGS_ARCHID (1 << 1)
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__u32 flags;
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__u32 archid;
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__u64 pasid;
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};
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struct iommu_cache_invalidate_info {
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__u32 argsz;
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#define IOMMU_CACHE_INVALIDATE_INFO_VERSION_1 1
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__u32 version;
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#define IOMMU_CACHE_INV_TYPE_IOTLB (1 << 0)
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#define IOMMU_CACHE_INV_TYPE_DEV_IOTLB (1 << 1)
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#define IOMMU_CACHE_INV_TYPE_PASID (1 << 2)
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#define IOMMU_CACHE_INV_TYPE_NR (3)
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__u8 cache;
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__u8 granularity;
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__u8 padding[6];
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union {
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struct iommu_inv_pasid_info pasid_info;
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struct iommu_inv_addr_info addr_info;
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} granu;
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};
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struct iommu_gpasid_bind_data_vtd {
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#define IOMMU_SVA_VTD_GPASID_SRE (1 << 0)
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#define IOMMU_SVA_VTD_GPASID_EAFE (1 << 1)
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#define IOMMU_SVA_VTD_GPASID_PCD (1 << 2)
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#define IOMMU_SVA_VTD_GPASID_PWT (1 << 3)
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#define IOMMU_SVA_VTD_GPASID_EMTE (1 << 4)
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#define IOMMU_SVA_VTD_GPASID_CD (1 << 5)
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#define IOMMU_SVA_VTD_GPASID_WPE (1 << 6)
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#define IOMMU_SVA_VTD_GPASID_LAST (1 << 7)
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__u64 flags;
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__u32 pat;
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__u32 emt;
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};
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#define IOMMU_SVA_VTD_GPASID_MTS_MASK (IOMMU_SVA_VTD_GPASID_CD | IOMMU_SVA_VTD_GPASID_EMTE | IOMMU_SVA_VTD_GPASID_PCD | IOMMU_SVA_VTD_GPASID_PWT)
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struct iommu_gpasid_bind_data {
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__u32 argsz;
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#define IOMMU_GPASID_BIND_VERSION_1 1
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__u32 version;
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#define IOMMU_PASID_FORMAT_INTEL_VTD 1
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#define IOMMU_PASID_FORMAT_LAST 2
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__u32 format;
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__u32 addr_width;
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#define IOMMU_SVA_GPASID_VAL (1 << 0)
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__u64 flags;
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__u64 gpgd;
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__u64 hpasid;
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__u64 gpasid;
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__u8 padding[8];
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union {
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struct iommu_gpasid_bind_data_vtd vtd;
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} vendor;
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};
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#endif
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