ia64/xen-unstable

view xen/include/public/features.h @ 19836:d9890e67d2b7

tools: add SHAREDIR to buildmakevars2file

c/s 19818 dropped SHAREDIR from xen/util/path.py, which broke the "xm
new" command. This patch adds SHAREDIR back to the new
buildmakevars2file-closure function.

Signed-off-by: Ryan O'Connor <rjo@cs.ubc.ca>
author Keir Fraser <keir.fraser@citrix.com>
date Thu Jun 25 13:05:10 2009 +0100 (2009-06-25)
parents 6bd021d987d7
children
line source
1 /******************************************************************************
2 * features.h
3 *
4 * Feature flags, reported by XENVER_get_features.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to
8 * deal in the Software without restriction, including without limitation the
9 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
10 * sell copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
23 *
24 * Copyright (c) 2006, Keir Fraser <keir@xensource.com>
25 */
27 #ifndef __XEN_PUBLIC_FEATURES_H__
28 #define __XEN_PUBLIC_FEATURES_H__
30 /*
31 * If set, the guest does not need to write-protect its pagetables, and can
32 * update them via direct writes.
33 */
34 #define XENFEAT_writable_page_tables 0
36 /*
37 * If set, the guest does not need to write-protect its segment descriptor
38 * tables, and can update them via direct writes.
39 */
40 #define XENFEAT_writable_descriptor_tables 1
42 /*
43 * If set, translation between the guest's 'pseudo-physical' address space
44 * and the host's machine address space are handled by the hypervisor. In this
45 * mode the guest does not need to perform phys-to/from-machine translations
46 * when performing page table operations.
47 */
48 #define XENFEAT_auto_translated_physmap 2
50 /* If set, the guest is running in supervisor mode (e.g., x86 ring 0). */
51 #define XENFEAT_supervisor_mode_kernel 3
53 /*
54 * If set, the guest does not need to allocate x86 PAE page directories
55 * below 4GB. This flag is usually implied by auto_translated_physmap.
56 */
57 #define XENFEAT_pae_pgdir_above_4gb 4
59 /* x86: Does this Xen host support the MMU_PT_UPDATE_PRESERVE_AD hypercall? */
60 #define XENFEAT_mmu_pt_update_preserve_ad 5
62 /* x86: Does this Xen host support the MMU_{CLEAR,COPY}_PAGE hypercall? */
63 #define XENFEAT_highmem_assist 6
65 /*
66 * If set, GNTTABOP_map_grant_ref honors flags to be placed into guest kernel
67 * available pte bits.
68 */
69 #define XENFEAT_gnttab_map_avail_bits 7
71 #define XENFEAT_NR_SUBMAPS 1
73 #endif /* __XEN_PUBLIC_FEATURES_H__ */
75 /*
76 * Local variables:
77 * mode: C
78 * c-set-style: "BSD"
79 * c-basic-offset: 4
80 * tab-width: 4
81 * indent-tabs-mode: nil
82 * End:
83 */