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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /arch/x86/include/asm/init.h
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/x86/include/asm/init.h')
-rw-r--r--arch/x86/include/asm/init.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/x86/include/asm/init.h b/arch/x86/include/asm/init.h
new file mode 100644
index 0000000000..5f1d3c421f
--- /dev/null
+++ b/arch/x86/include/asm/init.h
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_X86_INIT_H
+#define _ASM_X86_INIT_H
+
+struct x86_mapping_info {
+ void *(*alloc_pgt_page)(void *); /* allocate buf for page table */
+ void *context; /* context for alloc_pgt_page */
+ unsigned long page_flag; /* page flag for PMD or PUD entry */
+ unsigned long offset; /* ident mapping offset */
+ bool direct_gbpages; /* PUD level 1GB page support */
+ unsigned long kernpg_flag; /* kernel pagetable flag override */
+};
+
+int kernel_ident_mapping_init(struct x86_mapping_info *info, pgd_t *pgd_page,
+ unsigned long pstart, unsigned long pend);
+
+#endif /* _ASM_X86_INIT_H */