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/****************************************************************************
****************************************************************************
***
*** This header was automatically generated from a Linux kernel header
*** of the same name, to make information necessary for userspace to
*** call into the kernel available to libc. It contains only constants,
*** structures, and macros generated from the original header, and thus,
*** contains no copyrightable information.
***
*** To edit the content of this header, modify the corresponding
*** source file (e.g. under external/kernel-headers/original/) then
*** run bionic/libc/kernel/tools/update_all.py
***
*** Any manual change here will be lost the next time this script will
*** be run. You've been warned!
***
****************************************************************************
****************************************************************************/
#ifndef _UAPI_IOMMU_H
#define _UAPI_IOMMU_H
#include <linux/types.h>
#define IOMMU_FAULT_PERM_READ (1 << 0)
#define IOMMU_FAULT_PERM_WRITE (1 << 1)
#define IOMMU_FAULT_PERM_EXEC (1 << 2)
#define IOMMU_FAULT_PERM_PRIV (1 << 3)
enum iommu_fault_type {
IOMMU_FAULT_DMA_UNRECOV = 1,
IOMMU_FAULT_PAGE_REQ,
};
enum iommu_fault_reason {
IOMMU_FAULT_REASON_UNKNOWN = 0,
IOMMU_FAULT_REASON_PASID_FETCH,
IOMMU_FAULT_REASON_BAD_PASID_ENTRY,
IOMMU_FAULT_REASON_PASID_INVALID,
IOMMU_FAULT_REASON_WALK_EABT,
IOMMU_FAULT_REASON_PTE_FETCH,
IOMMU_FAULT_REASON_PERMISSION,
IOMMU_FAULT_REASON_ACCESS,
IOMMU_FAULT_REASON_OOR_ADDRESS,
};
struct iommu_fault_unrecoverable {
__u32 reason;
#define IOMMU_FAULT_UNRECOV_PASID_VALID (1 << 0)
#define IOMMU_FAULT_UNRECOV_ADDR_VALID (1 << 1)
#define IOMMU_FAULT_UNRECOV_FETCH_ADDR_VALID (1 << 2)
__u32 flags;
__u32 pasid;
__u32 perm;
__u64 addr;
__u64 fetch_addr;
};
struct iommu_fault_page_request {
#define IOMMU_FAULT_PAGE_REQUEST_PASID_VALID (1 << 0)
#define IOMMU_FAULT_PAGE_REQUEST_LAST_PAGE (1 << 1)
#define IOMMU_FAULT_PAGE_REQUEST_PRIV_DATA (1 << 2)
__u32 flags;
__u32 pasid;
__u32 grpid;
__u32 perm;
__u64 addr;
__u64 private_data[2];
};
struct iommu_fault {
__u32 type;
__u32 padding;
union {
struct iommu_fault_unrecoverable event;
struct iommu_fault_page_request prm;
__u8 padding2[56];
};
};
enum iommu_page_response_code {
IOMMU_PAGE_RESP_SUCCESS = 0,
IOMMU_PAGE_RESP_INVALID,
IOMMU_PAGE_RESP_FAILURE,
};
struct iommu_page_response {
#define IOMMU_PAGE_RESP_VERSION_1 1
__u32 version;
#define IOMMU_PAGE_RESP_PASID_VALID (1 << 0)
__u32 flags;
__u32 pasid;
__u32 grpid;
__u32 code;
};
enum iommu_inv_granularity {
IOMMU_INV_GRANU_DOMAIN,
IOMMU_INV_GRANU_PASID,
IOMMU_INV_GRANU_ADDR,
IOMMU_INV_GRANU_NR,
};
struct iommu_inv_addr_info {
#define IOMMU_INV_ADDR_FLAGS_PASID (1 << 0)
#define IOMMU_INV_ADDR_FLAGS_ARCHID (1 << 1)
#define IOMMU_INV_ADDR_FLAGS_LEAF (1 << 2)
__u32 flags;
__u32 archid;
__u64 pasid;
__u64 addr;
__u64 granule_size;
__u64 nb_granules;
};
struct iommu_inv_pasid_info {
#define IOMMU_INV_PASID_FLAGS_PASID (1 << 0)
#define IOMMU_INV_PASID_FLAGS_ARCHID (1 << 1)
__u32 flags;
__u32 archid;
__u64 pasid;
};
struct iommu_cache_invalidate_info {
#define IOMMU_CACHE_INVALIDATE_INFO_VERSION_1 1
__u32 version;
#define IOMMU_CACHE_INV_TYPE_IOTLB (1 << 0)
#define IOMMU_CACHE_INV_TYPE_DEV_IOTLB (1 << 1)
#define IOMMU_CACHE_INV_TYPE_PASID (1 << 2)
#define IOMMU_CACHE_INV_TYPE_NR (3)
__u8 cache;
__u8 granularity;
__u8 padding[2];
union {
struct iommu_inv_pasid_info pasid_info;
struct iommu_inv_addr_info addr_info;
};
};
struct iommu_gpasid_bind_data_vtd {
#define IOMMU_SVA_VTD_GPASID_SRE (1 << 0)
#define IOMMU_SVA_VTD_GPASID_EAFE (1 << 1)
#define IOMMU_SVA_VTD_GPASID_PCD (1 << 2)
#define IOMMU_SVA_VTD_GPASID_PWT (1 << 3)
#define IOMMU_SVA_VTD_GPASID_EMTE (1 << 4)
#define IOMMU_SVA_VTD_GPASID_CD (1 << 5)
__u64 flags;
__u32 pat;
__u32 emt;
};
struct iommu_gpasid_bind_data {
#define IOMMU_GPASID_BIND_VERSION_1 1
__u32 version;
#define IOMMU_PASID_FORMAT_INTEL_VTD 1
__u32 format;
#define IOMMU_SVA_GPASID_VAL (1 << 0)
__u64 flags;
__u64 gpgd;
__u64 hpasid;
__u64 gpasid;
__u32 addr_width;
__u8 padding[12];
union {
struct iommu_gpasid_bind_data_vtd vtd;
};
};
#endif
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