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41 lines
1.0 KiB
41 lines
1.0 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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* Copyright (c) 2021, Microsoft Corporation. |
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* Pasha Tatashin <[email protected]> |
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*/ |
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#ifndef _ASM_TRANS_TABLE_H |
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#define _ASM_TRANS_TABLE_H |
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#include <linux/bits.h> |
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#include <linux/types.h> |
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#include <asm/pgtable-types.h> |
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/* |
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* trans_alloc_page |
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* - Allocator that should return exactly one zeroed page, if this |
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* allocator fails, trans_pgd_create_copy() and trans_pgd_idmap_page() |
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* return -ENOMEM error. |
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* |
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* trans_alloc_arg |
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* - Passed to trans_alloc_page as an argument |
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*/ |
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struct trans_pgd_info { |
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void * (*trans_alloc_page)(void *arg); |
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void *trans_alloc_arg; |
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}; |
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int trans_pgd_create_copy(struct trans_pgd_info *info, pgd_t **trans_pgd, |
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unsigned long start, unsigned long end); |
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int trans_pgd_idmap_page(struct trans_pgd_info *info, phys_addr_t *trans_ttbr0, |
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unsigned long *t0sz, void *page); |
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int trans_pgd_copy_el2_vectors(struct trans_pgd_info *info, |
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phys_addr_t *el2_vectors); |
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extern char trans_pgd_stub_vectors[]; |
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#endif /* _ASM_TRANS_TABLE_H */
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