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7f955be9f8
Implement the PKEYS interface, using the Permission Overlay Extension. Signed-off-by: Joey Gouly <joey.gouly@arm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will@kernel.org> Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Link: https://lore.kernel.org/r/20240822151113.1479789-19-joey.gouly@arm.com Signed-off-by: Will Deacon <will@kernel.org>
19 lines
552 B
C
19 lines
552 B
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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#ifndef _UAPI__ASM_MMAN_H
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#define _UAPI__ASM_MMAN_H
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#include <asm-generic/mman.h>
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#define PROT_BTI 0x10 /* BTI guarded page */
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#define PROT_MTE 0x20 /* Normal Tagged mapping */
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/* Override any generic PKEY permission defines */
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#define PKEY_DISABLE_EXECUTE 0x4
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#define PKEY_DISABLE_READ 0x8
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#undef PKEY_ACCESS_MASK
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#define PKEY_ACCESS_MASK (PKEY_DISABLE_ACCESS |\
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PKEY_DISABLE_WRITE |\
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PKEY_DISABLE_READ |\
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PKEY_DISABLE_EXECUTE)
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#endif /* ! _UAPI__ASM_MMAN_H */
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