This source file includes following definitions.
- xen_mc_batch
- xen_mc_entry
- xen_mc_issue
1
2 #ifndef _XEN_MULTICALLS_H
3 #define _XEN_MULTICALLS_H
4
5 #include <trace/events/xen.h>
6
7 #include "xen-ops.h"
8
9
10 struct multicall_space
11 {
12 struct multicall_entry *mc;
13 void *args;
14 };
15
16
17 struct multicall_space __xen_mc_entry(size_t args);
18
19 DECLARE_PER_CPU(unsigned long, xen_mc_irq_flags);
20
21
22
23 static inline void xen_mc_batch(void)
24 {
25 unsigned long flags;
26
27
28 local_irq_save(flags);
29 trace_xen_mc_batch(paravirt_get_lazy_mode());
30 __this_cpu_write(xen_mc_irq_flags, flags);
31 }
32
33 static inline struct multicall_space xen_mc_entry(size_t args)
34 {
35 xen_mc_batch();
36 return __xen_mc_entry(args);
37 }
38
39
40 void xen_mc_flush(void);
41
42
43 static inline void xen_mc_issue(unsigned mode)
44 {
45 trace_xen_mc_issue(mode);
46
47 if ((paravirt_get_lazy_mode() & mode) == 0)
48 xen_mc_flush();
49
50
51 local_irq_restore(this_cpu_read(xen_mc_irq_flags));
52 }
53
54
55 void xen_mc_callback(void (*fn)(void *), void *data);
56
57
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60
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65
66
67 struct multicall_space xen_mc_extend_args(unsigned long op, size_t arg_size);
68
69 #endif