VisionFive2 Linux kernel

b24413180f560 (Greg Kroah-Hartman    2017-11-01 15:07:57 +0100  1) /* SPDX-License-Identifier: GPL-2.0 */
803eb047a28d2 (Daniel De Graaf       2011-03-14 11:29:37 -0400  2) /******************************************************************************
803eb047a28d2 (Daniel De Graaf       2011-03-14 11:29:37 -0400  3)  * Xen balloon functionality
803eb047a28d2 (Daniel De Graaf       2011-03-14 11:29:37 -0400  4)  */
aecb2016c90a1 (Roger Pau Monne       2020-09-01 10:33:24 +0200  5) #ifndef _XEN_BALLOON_H
aecb2016c90a1 (Roger Pau Monne       2020-09-01 10:33:24 +0200  6) #define _XEN_BALLOON_H
803eb047a28d2 (Daniel De Graaf       2011-03-14 11:29:37 -0400  7) 
803eb047a28d2 (Daniel De Graaf       2011-03-14 11:29:37 -0400  8) #define RETRY_UNLIMITED	0
803eb047a28d2 (Daniel De Graaf       2011-03-14 11:29:37 -0400  9) 
803eb047a28d2 (Daniel De Graaf       2011-03-14 11:29:37 -0400 10) struct balloon_stats {
803eb047a28d2 (Daniel De Graaf       2011-03-14 11:29:37 -0400 11) 	/* We aim for 'current allocation' == 'target allocation'. */
803eb047a28d2 (Daniel De Graaf       2011-03-14 11:29:37 -0400 12) 	unsigned long current_pages;
803eb047a28d2 (Daniel De Graaf       2011-03-14 11:29:37 -0400 13) 	unsigned long target_pages;
1cf6a6c82918c (David Vrabel          2015-06-25 16:29:18 +0100 14) 	unsigned long target_unpopulated;
803eb047a28d2 (Daniel De Graaf       2011-03-14 11:29:37 -0400 15) 	/* Number of pages in high- and low-memory balloons. */
803eb047a28d2 (Daniel De Graaf       2011-03-14 11:29:37 -0400 16) 	unsigned long balloon_low;
803eb047a28d2 (Daniel De Graaf       2011-03-14 11:29:37 -0400 17) 	unsigned long balloon_high;
de5a77d8422fc (David Vrabel          2015-06-25 12:08:20 +0100 18) 	unsigned long total_pages;
803eb047a28d2 (Daniel De Graaf       2011-03-14 11:29:37 -0400 19) 	unsigned long schedule_delay;
803eb047a28d2 (Daniel De Graaf       2011-03-14 11:29:37 -0400 20) 	unsigned long max_schedule_delay;
803eb047a28d2 (Daniel De Graaf       2011-03-14 11:29:37 -0400 21) 	unsigned long retry_count;
803eb047a28d2 (Daniel De Graaf       2011-03-14 11:29:37 -0400 22) 	unsigned long max_retry_count;
803eb047a28d2 (Daniel De Graaf       2011-03-14 11:29:37 -0400 23) };
803eb047a28d2 (Daniel De Graaf       2011-03-14 11:29:37 -0400 24) 
803eb047a28d2 (Daniel De Graaf       2011-03-14 11:29:37 -0400 25) extern struct balloon_stats balloon_stats;
803eb047a28d2 (Daniel De Graaf       2011-03-14 11:29:37 -0400 26) 
803eb047a28d2 (Daniel De Graaf       2011-03-14 11:29:37 -0400 27) void balloon_set_new_target(unsigned long target);
b6f3067985f12 (Konrad Rzeszutek Wilk 2011-03-15 10:23:57 -0400 28) 
81b286e0f1fe5 (David Vrabel          2015-06-25 13:12:46 +0100 29) int alloc_xenballooned_pages(int nr_pages, struct page **pages);
693394b8c3dce (Stefano Stabellini    2011-09-29 11:57:55 +0100 30) void free_xenballooned_pages(int nr_pages, struct page **pages);
a50777c791031 (Dan Magenheimer       2011-07-08 12:26:21 -0600 31) 
96edd61dcf443 (Juergen Gross         2017-07-10 10:10:45 +0200 32) #ifdef CONFIG_XEN_BALLOON
96edd61dcf443 (Juergen Gross         2017-07-10 10:10:45 +0200 33) void xen_balloon_init(void);
96edd61dcf443 (Juergen Gross         2017-07-10 10:10:45 +0200 34) #else
96edd61dcf443 (Juergen Gross         2017-07-10 10:10:45 +0200 35) static inline void xen_balloon_init(void)
96edd61dcf443 (Juergen Gross         2017-07-10 10:10:45 +0200 36) {
96edd61dcf443 (Juergen Gross         2017-07-10 10:10:45 +0200 37) }
96edd61dcf443 (Juergen Gross         2017-07-10 10:10:45 +0200 38) #endif
aecb2016c90a1 (Roger Pau Monne       2020-09-01 10:33:24 +0200 39) 
aecb2016c90a1 (Roger Pau Monne       2020-09-01 10:33:24 +0200 40) #endif	/* _XEN_BALLOON_H */