1 /* SPDX-License-Identifier: GPL-2.0 */ 1 /* SPDX-License-Identifier: GPL-2.0 */
2 2
3 /* 3 /*
4 * Xen memory reservation utilities. 4 * Xen memory reservation utilities.
5 * 5 *
6 * Copyright (c) 2003, B Dragovic 6 * Copyright (c) 2003, B Dragovic
7 * Copyright (c) 2003-2004, M Williamson, K Fr 7 * Copyright (c) 2003-2004, M Williamson, K Fraser
8 * Copyright (c) 2005 Dan M. Smith, IBM Corpor 8 * Copyright (c) 2005 Dan M. Smith, IBM Corporation
9 * Copyright (c) 2010 Daniel Kiper 9 * Copyright (c) 2010 Daniel Kiper
10 * Copyright (c) 2018 Oleksandr Andrushchenko, 10 * Copyright (c) 2018 Oleksandr Andrushchenko, EPAM Systems Inc.
11 */ 11 */
12 12
13 #ifndef _XENMEM_RESERVATION_H 13 #ifndef _XENMEM_RESERVATION_H
14 #define _XENMEM_RESERVATION_H 14 #define _XENMEM_RESERVATION_H
15 15
16 #include <linux/highmem.h> 16 #include <linux/highmem.h>
17 17
18 #include <xen/page.h> 18 #include <xen/page.h>
19 19
20 extern bool xen_scrub_pages; 20 extern bool xen_scrub_pages;
21 21
22 static inline void xenmem_reservation_scrub_pa 22 static inline void xenmem_reservation_scrub_page(struct page *page)
23 { 23 {
24 if (xen_scrub_pages) 24 if (xen_scrub_pages)
25 clear_highpage(page); 25 clear_highpage(page);
26 } 26 }
27 27
28 #ifdef CONFIG_XEN_HAVE_PVMMU 28 #ifdef CONFIG_XEN_HAVE_PVMMU
29 void __xenmem_reservation_va_mapping_update(un 29 void __xenmem_reservation_va_mapping_update(unsigned long count,
30 st 30 struct page **pages,
31 xe 31 xen_pfn_t *frames);
32 32
33 void __xenmem_reservation_va_mapping_reset(uns 33 void __xenmem_reservation_va_mapping_reset(unsigned long count,
34 str 34 struct page **pages);
35 #endif 35 #endif
36 36
37 static inline void xenmem_reservation_va_mappi 37 static inline void xenmem_reservation_va_mapping_update(unsigned long count,
38 38 struct page **pages,
39 39 xen_pfn_t *frames)
40 { 40 {
41 #ifdef CONFIG_XEN_HAVE_PVMMU 41 #ifdef CONFIG_XEN_HAVE_PVMMU
42 if (!xen_feature(XENFEAT_auto_translat 42 if (!xen_feature(XENFEAT_auto_translated_physmap))
43 __xenmem_reservation_va_mappin 43 __xenmem_reservation_va_mapping_update(count, pages, frames);
44 #endif 44 #endif
45 } 45 }
46 46
47 static inline void xenmem_reservation_va_mappi 47 static inline void xenmem_reservation_va_mapping_reset(unsigned long count,
48 48 struct page **pages)
49 { 49 {
50 #ifdef CONFIG_XEN_HAVE_PVMMU 50 #ifdef CONFIG_XEN_HAVE_PVMMU
51 if (!xen_feature(XENFEAT_auto_translat 51 if (!xen_feature(XENFEAT_auto_translated_physmap))
52 __xenmem_reservation_va_mappin 52 __xenmem_reservation_va_mapping_reset(count, pages);
53 #endif 53 #endif
54 } 54 }
55 55
56 int xenmem_reservation_increase(int count, xen 56 int xenmem_reservation_increase(int count, xen_pfn_t *frames);
57 57
58 int xenmem_reservation_decrease(int count, xen 58 int xenmem_reservation_decrease(int count, xen_pfn_t *frames);
59 59
60 #endif 60 #endif
61 61
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