openwrt/upstream - upstream openwrt

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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_PROTO_H #define _ASM_X86_64_AMD_IOMMU_PROTO_H #include <xen/sched.h> #include <asm/amd-iommu.h> #define for_each_amd_iommu(amd_iommu) \ list_for_each_entry(amd_iommu, \ &amd_iommu_head, list) #define DMA_32BIT_MASK 0x00000000ffffffffULL #define PAGE_ALIGN(addr) (((addr) + PAGE_SIZE - 1) & PAGE_MASK) #ifdef AMD_IOV_DEBUG #define amd_iov_info(fmt, args...) \ printk(XENLOG_INFO "AMD_IOV: " fmt, ## args) #define amd_iov_warning(fmt, args...) \ printk(XENLOG_WARNING "AMD_IOV: " fmt, ## args) #define amd_iov_error(fmt, args...) \ printk(XENLOG_ERR "AMD_IOV: %s:%d: " fmt, __FILE__ , __LINE__ , ## args) #else #define amd_iov_info(fmt, args...) #define amd_iov_warning(fmt, args...) #define amd_iov_error(fmt, args...) #endif /* amd-iommu-detect functions */ int __init amd_iommu_get_ivrs_dev_entries(void); int __init amd_iommu_detect_one_acpi(void *ivhd); int __init amd_iommu_detect_acpi(void); /* amd-iommu-init functions */ int __init amd_iommu_init(void); int __init amd_iommu_init_one(struct amd_iommu *iommu); int __init amd_iommu_update_ivrs_mapping_acpi(void); void __init amd_iommu_init_cleanup(void); int __init amd_iommu_setup_shared_tables(void); /* mapping functions */ int amd_iommu_map_page(struct domain *d, unsigned long gfn, unsigned long mfn); int amd_iommu_unmap_page(struct domain *d, unsigned long gfn); void *amd_iommu_get_vptr_from_page_table_entry(u32 *entry); int amd_iommu_reserve_domain_unity_map(struct domain *domain, unsigned long phys_addr, unsigned long size, int iw, int ir); int amd_iommu_sync_p2m(struct domain *d); /* device table functions */ void amd_iommu_set_dev_table_entry(u32 *dte, u64 root_ptr, u64 intremap_ptr, u16 domain_id, u8 sys_mgt, u8 dev_ex, u8 paging_mode); int amd_iommu_is_dte_page_translation_valid(u32 *entry); void invalidate_dev_table_entry(struct amd_iommu *iommu, u16 devic_id); /* send cmd to iommu */ int send_iommu_command(struct amd_iommu *iommu, u32 cmd[]); void flush_command_buffer(struct amd_iommu *iommu); /* find iommu for bdf */ struct amd_iommu *find_iommu_for_device(int bus, int devfn); /*interrupt remapping */ int __init amd_iommu_setup_intremap_table(void); int __init deallocate_intremap_table(void); void invalidate_interrupt_table(struct amd_iommu *iommu, u16 device_id); void amd_iommu_ioapic_update_ire( unsigned int apic, unsigned int reg, unsigned int value); void amd_iommu_msi_msg_update_ire( struct msi_desc *msi_desc, struct msi_msg *msg); static inline u32 get_field_from_reg_u32(u32 reg_value, u32 mask, u32 shift) { u32 field; field = (reg_value & mask) >> shift; return field; } static inline u32 set_field_in_reg_u32(u32 field, u32 reg_value, u32 mask, u32 shift, u32 *reg) { reg_value &= ~mask; reg_value |= (field << shift) & mask; if (reg) *reg = reg_value; return reg_value; } static inline u8 get_field_from_byte(u8 value, u8 mask, u8 shift) { u8 field; field = (value & mask) >> shift; return field; } static inline unsigned long region_to_pages(unsigned long addr, unsigned long size) { return (PAGE_ALIGN(addr + size) - (addr & PAGE_MASK)) >> PAGE_SHIFT; } #endif /* _ASM_X86_64_AMD_IOMMU_PROTO_H */


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