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d94f9486 AL |
1 | #ifndef QEMU_HW_XEN_COMMON_H |
2 | #define QEMU_HW_XEN_COMMON_H 1 | |
3 | ||
d5b93ddf AP |
4 | #include "config-host.h" |
5 | ||
d94f9486 AL |
6 | #include <stddef.h> |
7 | #include <inttypes.h> | |
8 | ||
9 | #include <xenctrl.h> | |
10 | #include <xs.h> | |
11 | #include <xen/io/xenbus.h> | |
12 | ||
13 | #include "hw.h" | |
14 | #include "xen.h" | |
d8becc35 | 15 | #include "qemu-queue.h" |
d94f9486 AL |
16 | |
17 | /* | |
d5b93ddf | 18 | * We don't support Xen prior to 3.3.0. |
d94f9486 | 19 | */ |
d5b93ddf AP |
20 | |
21 | /* Xen before 4.0 */ | |
22 | #if CONFIG_XEN_CTRL_INTERFACE_VERSION < 400 | |
23 | static inline void *xc_map_foreign_bulk(int xc_handle, uint32_t dom, int prot, | |
24 | xen_pfn_t *arr, int *err, | |
25 | unsigned int num) | |
26 | { | |
27 | return xc_map_foreign_batch(xc_handle, dom, prot, arr, num); | |
28 | } | |
d94f9486 | 29 | #endif |
d5b93ddf AP |
30 | |
31 | ||
32 | /* Xen before 4.1 */ | |
33 | #if CONFIG_XEN_CTRL_INTERFACE_VERSION < 410 | |
34 | ||
35 | typedef int XenXC; | |
36 | typedef int XenEvtchn; | |
37 | typedef int XenGnttab; | |
38 | ||
39 | # define XC_INTERFACE_FMT "%i" | |
40 | # define XC_HANDLER_INITIAL_VALUE -1 | |
41 | ||
42 | static inline XenEvtchn xen_xc_evtchn_open(void *logger, | |
43 | unsigned int open_flags) | |
44 | { | |
45 | return xc_evtchn_open(); | |
46 | } | |
47 | ||
48 | static inline XenGnttab xen_xc_gnttab_open(void *logger, | |
49 | unsigned int open_flags) | |
50 | { | |
51 | return xc_gnttab_open(); | |
52 | } | |
53 | ||
54 | static inline XenXC xen_xc_interface_open(void *logger, void *dombuild_logger, | |
55 | unsigned int open_flags) | |
56 | { | |
57 | return xc_interface_open(); | |
58 | } | |
59 | ||
60 | static inline int xc_fd(int xen_xc) | |
61 | { | |
62 | return xen_xc; | |
63 | } | |
64 | ||
65 | ||
66 | /* Xen 4.1 */ | |
67 | #else | |
68 | ||
69 | typedef xc_interface *XenXC; | |
70 | typedef xc_evtchn *XenEvtchn; | |
71 | typedef xc_gnttab *XenGnttab; | |
72 | ||
73 | # define XC_INTERFACE_FMT "%p" | |
74 | # define XC_HANDLER_INITIAL_VALUE NULL | |
75 | ||
76 | static inline XenEvtchn xen_xc_evtchn_open(void *logger, | |
77 | unsigned int open_flags) | |
78 | { | |
79 | return xc_evtchn_open(logger, open_flags); | |
80 | } | |
81 | ||
82 | static inline XenGnttab xen_xc_gnttab_open(void *logger, | |
83 | unsigned int open_flags) | |
84 | { | |
85 | return xc_gnttab_open(logger, open_flags); | |
86 | } | |
87 | ||
88 | static inline XenXC xen_xc_interface_open(void *logger, void *dombuild_logger, | |
89 | unsigned int open_flags) | |
90 | { | |
91 | return xc_interface_open(logger, dombuild_logger, open_flags); | |
92 | } | |
93 | ||
94 | /* FIXME There is now way to have the xen fd */ | |
95 | static inline int xc_fd(xc_interface *xen_xc) | |
96 | { | |
97 | return -1; | |
98 | } | |
d94f9486 AL |
99 | #endif |
100 | ||
101 | #endif /* QEMU_HW_XEN_COMMON_H */ |