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authorPeter Maydell <peter.maydell@linaro.org>2019-04-26 14:30:18 +0100
committerPeter Maydell <peter.maydell@linaro.org>2019-04-26 14:30:18 +0100
commit06e64339555096a2bc2d08c7e012b36a9977062c (patch)
treed671da8ca994cbd1fe74aac0f9d7152e67ca14b7 /linux-headers/asm-generic/mman.h
parentf7526eece29cd2e36a63b6703508b24453095eb8 (diff)
parent119906afa5ca610adb87c55ab0d8e53c9104bfc3 (diff)
downloadfocaccia-qemu-06e64339555096a2bc2d08c7e012b36a9977062c.tar.gz
focaccia-qemu-06e64339555096a2bc2d08c7e012b36a9977062c.zip
Merge remote-tracking branch 'remotes/ehabkost/tags/machine-next-pull-request' into staging
Machine queue, 2019-04-25

* 4.1 machine-types (Cornelia Huck)
* Support MAP_SYNC on pmem memory backends (Zhang Yi)
* -cpu parsing fixes and cleanups (Eduardo Habkost)
* machine initialization cleanups (Wei Yang, Markus Armbruster)

# gpg: Signature made Thu 25 Apr 2019 18:54:57 BST
# gpg:                using RSA key 2807936F984DC5A6
# gpg: Good signature from "Eduardo Habkost <ehabkost@redhat.com>" [full]
# Primary key fingerprint: 5A32 2FD5 ABC4 D3DB ACCF  D1AA 2807 936F 984D C5A6

* remotes/ehabkost/tags/machine-next-pull-request:
  util/mmap-alloc: support MAP_SYNC in qemu_ram_mmap()
  linux-headers: add linux/mman.h.
  scripts/update-linux-headers: add linux/mman.h
  util/mmap-alloc: Add a 'is_pmem' parameter to qemu_ram_mmap
  cpu: Fix crash with empty -cpu option
  cpu: Rename parse_cpu_model() to parse_cpu_option()
  vl: Simplify machine_parse()
  vl: Clean up after previous commit
  vl.c: allocate TYPE_MACHINE list once during bootup
  vl.c: make find_default_machine() local
  hw: add compat machines for 4.1

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'linux-headers/asm-generic/mman.h')
-rw-r--r--linux-headers/asm-generic/mman.h24
1 files changed, 24 insertions, 0 deletions
diff --git a/linux-headers/asm-generic/mman.h b/linux-headers/asm-generic/mman.h
new file mode 100644
index 0000000000..653687d977
--- /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 */