From bb3b2cfeb206f5b10b859e134651b54120e3f530 Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Tue, 30 Jun 2026 18:05:56 +0100 Subject: ARM: 9480/1: entry: expand comment in __switch_to As per discussion between the developers in the mail thread linked, expand the comment in __switch_to so that readers of the code understand what is going on. Suggested-by: Mark Rutland Acked-by: Mark Rutland Signed-off-by: Linus Walleij > Signed-off-by: Russell King --- security/ipe/hooks.h | 55 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 security/ipe/hooks.h (limited to 'security/ipe/hooks.h') diff --git a/security/ipe/hooks.h b/security/ipe/hooks.h new file mode 100644 index 000000000..07db37332 --- /dev/null +++ b/security/ipe/hooks.h @@ -0,0 +1,55 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2020-2024 Microsoft Corporation. All rights reserved. + */ +#ifndef _IPE_HOOKS_H +#define _IPE_HOOKS_H + +#include +#include +#include +#include +#include + +enum ipe_hook_type { + IPE_HOOK_BPRM_CHECK = 0, + IPE_HOOK_BPRM_CREDS_FOR_EXEC, + IPE_HOOK_MMAP, + IPE_HOOK_MPROTECT, + IPE_HOOK_KERNEL_READ, + IPE_HOOK_KERNEL_LOAD, + __IPE_HOOK_MAX +}; + +#define IPE_HOOK_INVALID __IPE_HOOK_MAX + +int ipe_bprm_check_security(struct linux_binprm *bprm); + +int ipe_bprm_creds_for_exec(struct linux_binprm *bprm); + +int ipe_mmap_file(struct file *f, unsigned long reqprot, unsigned long prot, + unsigned long flags); + +int ipe_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot, + unsigned long prot); + +int ipe_kernel_read_file(struct file *file, enum kernel_read_file_id id, + bool contents); + +int ipe_kernel_load_data(enum kernel_load_data_id id, bool contents); + +void ipe_unpack_initramfs(void); + +#ifdef CONFIG_IPE_PROP_DM_VERITY +void ipe_bdev_free_security(struct block_device *bdev); + +int ipe_bdev_setintegrity(struct block_device *bdev, enum lsm_integrity_type type, + const void *value, size_t len); +#endif /* CONFIG_IPE_PROP_DM_VERITY */ + +#ifdef CONFIG_IPE_PROP_FS_VERITY_BUILTIN_SIG +int ipe_inode_setintegrity(const struct inode *inode, enum lsm_integrity_type type, + const void *value, size_t size); +#endif /* CONFIG_IPE_PROP_FS_VERITY_BUILTIN_SIG */ + +#endif /* _IPE_HOOKS_H */ -- cgit v1.3.1