?? amd-iommu.h
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/* * Copyright (C) 2007 Advanced Micro Devices, Inc. * Author: Leo Duran <leo.duran@amd.com> * Author: Wei Wang <wei.wang2@amd.com> - adapted to xen * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */#ifndef _ASM_X86_64_AMD_IOMMU_H#define _ASM_X86_64_AMD_IOMMU_H#include <xen/init.h>#include <xen/types.h>#include <xen/list.h>#include <xen/spinlock.h>#include <asm/hvm/svm/amd-iommu-defs.h>#define iommu_found() (!list_empty(&amd_iommu_head))extern struct list_head amd_iommu_head;extern int __init amd_iov_detect(void);struct table_struct { void *buffer; unsigned long entries; unsigned long alloc_size;};struct amd_iommu { struct list_head list; spinlock_t lock; /* protect iommu */ u16 bdf; u8 cap_offset; u8 revision; u8 unit_id; u8 msi_number; u8 pte_not_present_cached; u8 ht_tunnel_support; u8 iotlb_support; u8 isochronous; u8 coherent; u8 res_pass_pw; u8 pass_pw; u8 ht_tunnel_enable; int last_downstream_bus; int downstream_bus_present[PCI_MAX_BUS_COUNT]; void *mmio_base; unsigned long mmio_base_phys; struct table_struct dev_table; struct table_struct cmd_buffer; u32 cmd_buffer_tail; struct table_struct event_log; u32 event_log_head; int exclusion_enable; int exclusion_allow_all; uint64_t exclusion_base; uint64_t exclusion_limit; int msi_cap; int maskbit; int enabled; int vector;};struct ivrs_mappings { u16 dte_requestor_id; u8 dte_sys_mgt_enable; u8 dte_allow_exclusion; u8 unity_map_enable; u8 write_permission; u8 read_permission; unsigned long addr_range_start; unsigned long addr_range_length; struct amd_iommu *iommu;};#endif /* _ASM_X86_64_AMD_IOMMU_H */
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