1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef _ASM_X86_INIT_H
 3#define _ASM_X86_INIT_H
 4
 5#define __head	__section(".head.text")
 6
 7struct x86_mapping_info {
 8	void *(*alloc_pgt_page)(void *); /* allocate buf for page table */
 9	void (*free_pgt_page)(void *, void *); /* free buf for page table */
10	void *context;			 /* context for alloc_pgt_page */
11	unsigned long page_flag;	 /* page flag for PMD or PUD entry */
12	unsigned long offset;		 /* ident mapping offset */
13	bool direct_gbpages;		 /* PUD level 1GB page support */
14	unsigned long kernpg_flag;	 /* kernel pagetable flag override */
15};
16
17int kernel_ident_mapping_init(struct x86_mapping_info *info, pgd_t *pgd_page,
18				unsigned long pstart, unsigned long pend);
19
20void kernel_ident_mapping_free(struct x86_mapping_info *info, pgd_t *pgd);
21
22#endif /* _ASM_X86_INIT_H */

 1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef _ASM_X86_INIT_H
 3#define _ASM_X86_INIT_H
 4
 
 
 5struct x86_mapping_info {
 6	void *(*alloc_pgt_page)(void *); /* allocate buf for page table */
 
 7	void *context;			 /* context for alloc_pgt_page */
 8	unsigned long page_flag;	 /* page flag for PMD or PUD entry */
 9	unsigned long offset;		 /* ident mapping offset */
10	bool direct_gbpages;		 /* PUD level 1GB page support */
11	unsigned long kernpg_flag;	 /* kernel pagetable flag override */
12};
13
14int kernel_ident_mapping_init(struct x86_mapping_info *info, pgd_t *pgd_page,
15				unsigned long pstart, unsigned long pend);
 
 
16
17#endif /* _ASM_X86_INIT_H */