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qemu-linux-user
0069-linux-headers-add-linux-mman.h.patch
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File 0069-linux-headers-add-linux-mman.h.patch of Package qemu-linux-user
From: Zhang Yi <yi.z.zhang@linux.intel.com> Date: Fri, 8 Feb 2019 18:11:00 +0800 Subject: linux-headers: add linux/mman.h. Update it to 4.20-rc1 Signed-off-by: Zhang Yi <yi.z.zhang@linux.intel.com> Message-Id: <f9346f1816b940a4231524a84d57a2cac8466ccc.1549555521.git.yi.z.zhang@linux.intel.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> (cherry picked from commit 8cf108c5d159bccfa162a06e6abc35cfa4965781) [LY: BSC#1145436 JIRA-SLE-6237] Signed-off-by: Liang Yan <lyan@suse.com> --- linux-headers/asm-arm/mman.h | 4 + linux-headers/asm-arm64/mman.h | 1 + linux-headers/asm-generic/hugetlb_encode.h | 36 +++++++ linux-headers/asm-generic/mman-common.h | 77 +++++++++++++++ linux-headers/asm-generic/mman.h | 24 +++++ linux-headers/asm-mips/mman.h | 108 +++++++++++++++++++++ linux-headers/asm-powerpc/mman.h | 39 ++++++++ linux-headers/asm-s390/mman.h | 1 + linux-headers/asm-x86/mman.h | 31 ++++++ linux-headers/linux/mman.h | 38 ++++++++ 10 files changed, 359 insertions(+) diff --git a/linux-headers/asm-arm/mman.h b/linux-headers/asm-arm/mman.h new file mode 100644 index 0000000000000000000000000000000000000000..41f99c573b93c918843ccbcd50ea2640bcb5e3ac --- /dev/null +++ b/linux-headers/asm-arm/mman.h @@ -0,0 +1,4 @@ +#include <asm-generic/mman.h> + +#define arch_mmap_check(addr, len, flags) \ + (((flags) & MAP_FIXED && (addr) < FIRST_USER_ADDRESS) ? -EINVAL : 0) diff --git a/linux-headers/asm-arm64/mman.h b/linux-headers/asm-arm64/mman.h new file mode 100644 index 0000000000000000000000000000000000000000..8eebf89f5ab17884a98543f3b37a3b710355083b --- /dev/null +++ b/linux-headers/asm-arm64/mman.h @@ -0,0 +1 @@ +#include <asm-generic/mman.h> diff --git a/linux-headers/asm-generic/hugetlb_encode.h b/linux-headers/asm-generic/hugetlb_encode.h new file mode 100644 index 0000000000000000000000000000000000000000..b0f8e87235bdf4b599b52895637d9bd6329887fa --- /dev/null +++ b/linux-headers/asm-generic/hugetlb_encode.h @@ -0,0 +1,36 @@ +#ifndef _ASM_GENERIC_HUGETLB_ENCODE_H_ +#define _ASM_GENERIC_HUGETLB_ENCODE_H_ + +/* + * Several system calls take a flag to request "hugetlb" huge pages. + * Without further specification, these system calls will use the + * system's default huge page size. If a system supports multiple + * huge page sizes, the desired huge page size can be specified in + * bits [26:31] of the flag arguments. The value in these 6 bits + * will encode the log2 of the huge page size. + * + * The following definitions are associated with this huge page size + * encoding in flag arguments. System call specific header files + * that use this encoding should include this file. They can then + * provide definitions based on these with their own specific prefix. + * for example: + * #define MAP_HUGE_SHIFT HUGETLB_FLAG_ENCODE_SHIFT + */ + +#define HUGETLB_FLAG_ENCODE_SHIFT 26 +#define HUGETLB_FLAG_ENCODE_MASK 0x3f + +#define HUGETLB_FLAG_ENCODE_64KB (16 << HUGETLB_FLAG_ENCODE_SHIFT) +#define HUGETLB_FLAG_ENCODE_512KB (19 << HUGETLB_FLAG_ENCODE_SHIFT) +#define HUGETLB_FLAG_ENCODE_1MB (20 << HUGETLB_FLAG_ENCODE_SHIFT) +#define HUGETLB_FLAG_ENCODE_2MB (21 << HUGETLB_FLAG_ENCODE_SHIFT) +#define HUGETLB_FLAG_ENCODE_8MB (23 << HUGETLB_FLAG_ENCODE_SHIFT) +#define HUGETLB_FLAG_ENCODE_16MB (24 << HUGETLB_FLAG_ENCODE_SHIFT) +#define HUGETLB_FLAG_ENCODE_32MB (25 << HUGETLB_FLAG_ENCODE_SHIFT) +#define HUGETLB_FLAG_ENCODE_256MB (28 << HUGETLB_FLAG_ENCODE_SHIFT) +#define HUGETLB_FLAG_ENCODE_512MB (29 << HUGETLB_FLAG_ENCODE_SHIFT) +#define HUGETLB_FLAG_ENCODE_1GB (30 << HUGETLB_FLAG_ENCODE_SHIFT) +#define HUGETLB_FLAG_ENCODE_2GB (31 << HUGETLB_FLAG_ENCODE_SHIFT) +#define HUGETLB_FLAG_ENCODE_16GB (34 << HUGETLB_FLAG_ENCODE_SHIFT) + +#endif /* _ASM_GENERIC_HUGETLB_ENCODE_H_ */ diff --git a/linux-headers/asm-generic/mman-common.h b/linux-headers/asm-generic/mman-common.h new file mode 100644 index 0000000000000000000000000000000000000000..e7ee32861d51d4b2e47b9182a48c05fe837b8d21 --- /dev/null +++ b/linux-headers/asm-generic/mman-common.h @@ -0,0 +1,77 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef __ASM_GENERIC_MMAN_COMMON_H +#define __ASM_GENERIC_MMAN_COMMON_H + +/* + Author: Michael S. Tsirkin <mst@mellanox.co.il>, Mellanox Technologies Ltd. + Based on: asm-xxx/mman.h +*/ + +#define PROT_READ 0x1 /* page can be read */ +#define PROT_WRITE 0x2 /* page can be written */ +#define PROT_EXEC 0x4 /* page can be executed */ +#define PROT_SEM 0x8 /* page may be used for atomic ops */ +#define PROT_NONE 0x0 /* page can not be accessed */ +#define PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */ +#define PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */ + +#define MAP_SHARED 0x01 /* Share changes */ +#define MAP_PRIVATE 0x02 /* Changes are private */ +#define MAP_SHARED_VALIDATE 0x03 /* share + validate extension flags */ +#define MAP_TYPE 0x0f /* Mask for type of mapping */ +#define MAP_FIXED 0x10 /* Interpret addr exactly */ +#define MAP_ANONYMOUS 0x20 /* don't use a file */ +#ifdef CONFIG_MMAP_ALLOW_UNINITIALIZED +# define MAP_UNINITIALIZED 0x4000000 /* For anonymous mmap, memory could be uninitialized */ +#else +# define MAP_UNINITIALIZED 0x0 /* Don't support this flag */ +#endif + +/* 0x0100 - 0x80000 flags are defined in asm-generic/mman.h */ +#define MAP_FIXED_NOREPLACE 0x100000 /* MAP_FIXED which doesn't unmap underlying mapping */ + +/* + * Flags for mlock + */ +#define MLOCK_ONFAULT 0x01 /* Lock pages in range after they are faulted in, do not prefault */ + +#define MS_ASYNC 1 /* sync memory asynchronously */ +#define MS_INVALIDATE 2 /* invalidate the caches */ +#define MS_SYNC 4 /* synchronous memory sync */ + +#define MADV_NORMAL 0 /* no further special treatment */ +#define MADV_RANDOM 1 /* expect random page references */ +#define MADV_SEQUENTIAL 2 /* expect sequential page references */ +#define MADV_WILLNEED 3 /* will need these pages */ +#define MADV_DONTNEED 4 /* don't need these pages */ + +/* common parameters: try to keep these consistent across architectures */ +#define MADV_FREE 8 /* free pages only if memory pressure */ +#define MADV_REMOVE 9 /* remove these pages & resources */ +#define MADV_DONTFORK 10 /* don't inherit across fork */ +#define MADV_DOFORK 11 /* do inherit across fork */ +#define MADV_HWPOISON 100 /* poison a page for testing */ +#define MADV_SOFT_OFFLINE 101 /* soft offline page for testing */ + +#define MADV_MERGEABLE 12 /* KSM may merge identical pages */ +#define MADV_UNMERGEABLE 13 /* KSM may not merge identical pages */ + +#define MADV_HUGEPAGE 14 /* Worth backing with hugepages */ +#define MADV_NOHUGEPAGE 15 /* Not worth backing with hugepages */ + +#define MADV_DONTDUMP 16 /* Explicity exclude from the core dump, + overrides the coredump filter bits */ +#define MADV_DODUMP 17 /* Clear the MADV_DONTDUMP flag */ + +#define MADV_WIPEONFORK 18 /* Zero memory on fork, child only */ +#define MADV_KEEPONFORK 19 /* Undo MADV_WIPEONFORK */ + +/* compatibility flags */ +#define MAP_FILE 0 + +#define PKEY_DISABLE_ACCESS 0x1 +#define PKEY_DISABLE_WRITE 0x2 +#define PKEY_ACCESS_MASK (PKEY_DISABLE_ACCESS |\ + PKEY_DISABLE_WRITE) + +#endif /* __ASM_GENERIC_MMAN_COMMON_H */ diff --git a/linux-headers/asm-generic/mman.h b/linux-headers/asm-generic/mman.h new file mode 100644 index 0000000000000000000000000000000000000000..653687d9771b9d0e824fe4b25eee079f7fcec1cc --- /dev/null +++ b/linux-headers/asm-generic/mman.h @@ -0,0 +1,24 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef __ASM_GENERIC_MMAN_H +#define __ASM_GENERIC_MMAN_H + +#include <asm-generic/mman-common.h> + +#define MAP_GROWSDOWN 0x0100 /* stack-like segment */ +#define MAP_DENYWRITE 0x0800 /* ETXTBSY */ +#define MAP_EXECUTABLE 0x1000 /* mark it as an executable */ +#define MAP_LOCKED 0x2000 /* pages are locked */ +#define MAP_NORESERVE 0x4000 /* don't check for reservations */ +#define MAP_POPULATE 0x8000 /* populate (prefault) pagetables */ +#define MAP_NONBLOCK 0x10000 /* do not block on IO */ +#define MAP_STACK 0x20000 /* give out an address that is best suited for process/thread stacks */ +#define MAP_HUGETLB 0x40000 /* create a huge page mapping */ +#define MAP_SYNC 0x80000 /* perform synchronous page faults for the mapping */ + +/* Bits [26:31] are reserved, see mman-common.h for MAP_HUGETLB usage */ + +#define MCL_CURRENT 1 /* lock all current mappings */ +#define MCL_FUTURE 2 /* lock all future mappings */ +#define MCL_ONFAULT 4 /* lock all pages that are faulted in */ + +#endif /* __ASM_GENERIC_MMAN_H */ diff --git a/linux-headers/asm-mips/mman.h b/linux-headers/asm-mips/mman.h new file mode 100644 index 0000000000000000000000000000000000000000..3035ca499cd8a5e6e54e10876de3abea6aecd522 --- /dev/null +++ b/linux-headers/asm-mips/mman.h @@ -0,0 +1,108 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 1995, 1999, 2002 by Ralf Baechle + */ +#ifndef _ASM_MMAN_H +#define _ASM_MMAN_H + +/* + * Protections are chosen from these bits, OR'd together. The + * implementation does not necessarily support PROT_EXEC or PROT_WRITE + * without PROT_READ. The only guarantees are that no writing will be + * allowed without PROT_WRITE and no access will be allowed for PROT_NONE. + */ +#define PROT_NONE 0x00 /* page can not be accessed */ +#define PROT_READ 0x01 /* page can be read */ +#define PROT_WRITE 0x02 /* page can be written */ +#define PROT_EXEC 0x04 /* page can be executed */ +/* 0x08 reserved for PROT_EXEC_NOFLUSH */ +#define PROT_SEM 0x10 /* page may be used for atomic ops */ +#define PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */ +#define PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */ + +/* + * Flags for mmap + */ +#define MAP_SHARED 0x001 /* Share changes */ +#define MAP_PRIVATE 0x002 /* Changes are private */ +#define MAP_SHARED_VALIDATE 0x003 /* share + validate extension flags */ +#define MAP_TYPE 0x00f /* Mask for type of mapping */ +#define MAP_FIXED 0x010 /* Interpret addr exactly */ + +/* not used by linux, but here to make sure we don't clash with ABI defines */ +#define MAP_RENAME 0x020 /* Assign page to file */ +#define MAP_AUTOGROW 0x040 /* File may grow by writing */ +#define MAP_LOCAL 0x080 /* Copy on fork/sproc */ +#define MAP_AUTORSRV 0x100 /* Logical swap reserved on demand */ + +/* These are linux-specific */ +#define MAP_NORESERVE 0x0400 /* don't check for reservations */ +#define MAP_ANONYMOUS 0x0800 /* don't use a file */ +#define MAP_GROWSDOWN 0x1000 /* stack-like segment */ +#define MAP_DENYWRITE 0x2000 /* ETXTBSY */ +#define MAP_EXECUTABLE 0x4000 /* mark it as an executable */ +#define MAP_LOCKED 0x8000 /* pages are locked */ +#define MAP_POPULATE 0x10000 /* populate (prefault) pagetables */ +#define MAP_NONBLOCK 0x20000 /* do not block on IO */ +#define MAP_STACK 0x40000 /* give out an address that is best suited for process/thread stacks */ +#define MAP_HUGETLB 0x80000 /* create a huge page mapping */ +#define MAP_FIXED_NOREPLACE 0x100000 /* MAP_FIXED which doesn't unmap underlying mapping */ + +/* + * Flags for msync + */ +#define MS_ASYNC 0x0001 /* sync memory asynchronously */ +#define MS_INVALIDATE 0x0002 /* invalidate mappings & caches */ +#define MS_SYNC 0x0004 /* synchronous memory sync */ + +/* + * Flags for mlockall + */ +#define MCL_CURRENT 1 /* lock all current mappings */ +#define MCL_FUTURE 2 /* lock all future mappings */ +#define MCL_ONFAULT 4 /* lock all pages that are faulted in */ + +/* + * Flags for mlock + */ +#define MLOCK_ONFAULT 0x01 /* Lock pages in range after they are faulted in, do not prefault */ + +#define MADV_NORMAL 0 /* no further special treatment */ +#define MADV_RANDOM 1 /* expect random page references */ +#define MADV_SEQUENTIAL 2 /* expect sequential page references */ +#define MADV_WILLNEED 3 /* will need these pages */ +#define MADV_DONTNEED 4 /* don't need these pages */ + +/* common parameters: try to keep these consistent across architectures */ +#define MADV_FREE 8 /* free pages only if memory pressure */ +#define MADV_REMOVE 9 /* remove these pages & resources */ +#define MADV_DONTFORK 10 /* don't inherit across fork */ +#define MADV_DOFORK 11 /* do inherit across fork */ + +#define MADV_MERGEABLE 12 /* KSM may merge identical pages */ +#define MADV_UNMERGEABLE 13 /* KSM may not merge identical pages */ +#define MADV_HWPOISON 100 /* poison a page for testing */ + +#define MADV_HUGEPAGE 14 /* Worth backing with hugepages */ +#define MADV_NOHUGEPAGE 15 /* Not worth backing with hugepages */ + +#define MADV_DONTDUMP 16 /* Explicity exclude from the core dump, + overrides the coredump filter bits */ +#define MADV_DODUMP 17 /* Clear the MADV_NODUMP flag */ + +#define MADV_WIPEONFORK 18 /* Zero memory on fork, child only */ +#define MADV_KEEPONFORK 19 /* Undo MADV_WIPEONFORK */ + +/* compatibility flags */ +#define MAP_FILE 0 + +#define PKEY_DISABLE_ACCESS 0x1 +#define PKEY_DISABLE_WRITE 0x2 +#define PKEY_ACCESS_MASK (PKEY_DISABLE_ACCESS |\ + PKEY_DISABLE_WRITE) + +#endif /* _ASM_MMAN_H */ diff --git a/linux-headers/asm-powerpc/mman.h b/linux-headers/asm-powerpc/mman.h new file mode 100644 index 0000000000000000000000000000000000000000..1c2b3fca05a8faf1997fe6d7b26820df4adcd128 --- /dev/null +++ b/linux-headers/asm-powerpc/mman.h @@ -0,0 +1,39 @@ +/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ +#ifndef _ASM_POWERPC_MMAN_H +#define _ASM_POWERPC_MMAN_H + +#include <asm-generic/mman-common.h> + + +#define PROT_SAO 0x10 /* Strong Access Ordering */ + +#define MAP_RENAME MAP_ANONYMOUS /* In SunOS terminology */ +#define MAP_NORESERVE 0x40 /* don't reserve swap pages */ +#define MAP_LOCKED 0x80 + +#define MAP_GROWSDOWN 0x0100 /* stack-like segment */ +#define MAP_DENYWRITE 0x0800 /* ETXTBSY */ +#define MAP_EXECUTABLE 0x1000 /* mark it as an executable */ + +#define MCL_CURRENT 0x2000 /* lock all currently mapped pages */ +#define MCL_FUTURE 0x4000 /* lock all additions to address space */ +#define MCL_ONFAULT 0x8000 /* lock all pages that are faulted in */ + +#define MAP_POPULATE 0x8000 /* populate (prefault) pagetables */ +#define MAP_NONBLOCK 0x10000 /* do not block on IO */ +#define MAP_STACK 0x20000 /* give out an address that is best suited for process/thread stacks */ +#define MAP_HUGETLB 0x40000 /* create a huge page mapping */ + +/* Override any generic PKEY permission defines */ +#define PKEY_DISABLE_EXECUTE 0x4 +#undef PKEY_ACCESS_MASK +#define PKEY_ACCESS_MASK (PKEY_DISABLE_ACCESS |\ + PKEY_DISABLE_WRITE |\ + PKEY_DISABLE_EXECUTE) +#endif /* _ASM_POWERPC_MMAN_H */ diff --git a/linux-headers/asm-s390/mman.h b/linux-headers/asm-s390/mman.h new file mode 100644 index 0000000000000000000000000000000000000000..8eebf89f5ab17884a98543f3b37a3b710355083b --- /dev/null +++ b/linux-headers/asm-s390/mman.h @@ -0,0 +1 @@ +#include <asm-generic/mman.h> diff --git a/linux-headers/asm-x86/mman.h b/linux-headers/asm-x86/mman.h new file mode 100644 index 0000000000000000000000000000000000000000..d4a8d0424bfbffb17864224399fd4300336341a3 --- /dev/null +++ b/linux-headers/asm-x86/mman.h @@ -0,0 +1,31 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _ASM_X86_MMAN_H +#define _ASM_X86_MMAN_H + +#define MAP_32BIT 0x40 /* only give out 32bit addresses */ + +#ifdef CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS +/* + * Take the 4 protection key bits out of the vma->vm_flags + * value and turn them in to the bits that we can put in + * to a pte. + * + * Only override these if Protection Keys are available + * (which is only on 64-bit). + */ +#define arch_vm_get_page_prot(vm_flags) __pgprot( \ + ((vm_flags) & VM_PKEY_BIT0 ? _PAGE_PKEY_BIT0 : 0) | \ + ((vm_flags) & VM_PKEY_BIT1 ? _PAGE_PKEY_BIT1 : 0) | \ + ((vm_flags) & VM_PKEY_BIT2 ? _PAGE_PKEY_BIT2 : 0) | \ + ((vm_flags) & VM_PKEY_BIT3 ? _PAGE_PKEY_BIT3 : 0)) + +#define arch_calc_vm_prot_bits(prot, key) ( \ + ((key) & 0x1 ? VM_PKEY_BIT0 : 0) | \ + ((key) & 0x2 ? VM_PKEY_BIT1 : 0) | \ + ((key) & 0x4 ? VM_PKEY_BIT2 : 0) | \ + ((key) & 0x8 ? VM_PKEY_BIT3 : 0)) +#endif + +#include <asm-generic/mman.h> + +#endif /* _ASM_X86_MMAN_H */ diff --git a/linux-headers/linux/mman.h b/linux-headers/linux/mman.h new file mode 100644 index 0000000000000000000000000000000000000000..3c44b6f480c78e29379bd05d2f3bd1cff5f407da --- /dev/null +++ b/linux-headers/linux/mman.h @@ -0,0 +1,38 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _LINUX_MMAN_H +#define _LINUX_MMAN_H + +#include <asm/mman.h> +#include <asm-generic/hugetlb_encode.h> + +#define MREMAP_MAYMOVE 1 +#define MREMAP_FIXED 2 + +#define OVERCOMMIT_GUESS 0 +#define OVERCOMMIT_ALWAYS 1 +#define OVERCOMMIT_NEVER 2 + +/* + * Huge page size encoding when MAP_HUGETLB is specified, and a huge page + * size other than the default is desired. See hugetlb_encode.h. + * All known huge page size encodings are provided here. It is the + * responsibility of the application to know which sizes are supported on + * the running system. See mmap(2) man page for details. + */ +#define MAP_HUGE_SHIFT HUGETLB_FLAG_ENCODE_SHIFT +#define MAP_HUGE_MASK HUGETLB_FLAG_ENCODE_MASK + +#define MAP_HUGE_64KB HUGETLB_FLAG_ENCODE_64KB +#define MAP_HUGE_512KB HUGETLB_FLAG_ENCODE_512KB +#define MAP_HUGE_1MB HUGETLB_FLAG_ENCODE_1MB +#define MAP_HUGE_2MB HUGETLB_FLAG_ENCODE_2MB +#define MAP_HUGE_8MB HUGETLB_FLAG_ENCODE_8MB +#define MAP_HUGE_16MB HUGETLB_FLAG_ENCODE_16MB +#define MAP_HUGE_32MB HUGETLB_FLAG_ENCODE_32MB +#define MAP_HUGE_256MB HUGETLB_FLAG_ENCODE_256MB +#define MAP_HUGE_512MB HUGETLB_FLAG_ENCODE_512MB +#define MAP_HUGE_1GB HUGETLB_FLAG_ENCODE_1GB +#define MAP_HUGE_2GB HUGETLB_FLAG_ENCODE_2GB +#define MAP_HUGE_16GB HUGETLB_FLAG_ENCODE_16GB + +#endif /* _LINUX_MMAN_H */
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