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7#ifndef _XS_WIRE_H
8#define _XS_WIRE_H
9
10enum xsd_sockmsg_type
11{
12 XS_DEBUG,
13 XS_DIRECTORY,
14 XS_READ,
15 XS_GET_PERMS,
16 XS_WATCH,
17 XS_UNWATCH,
18 XS_TRANSACTION_START,
19 XS_TRANSACTION_END,
20 XS_INTRODUCE,
21 XS_RELEASE,
22 XS_GET_DOMAIN_PATH,
23 XS_WRITE,
24 XS_MKDIR,
25 XS_RM,
26 XS_SET_PERMS,
27 XS_WATCH_EVENT,
28 XS_ERROR,
29 XS_IS_DOMAIN_INTRODUCED,
30 XS_RESUME,
31 XS_SET_TARGET,
32 XS_RESTRICT,
33 XS_RESET_WATCHES,
34};
35
36#define XS_WRITE_NONE "NONE"
37#define XS_WRITE_CREATE "CREATE"
38#define XS_WRITE_CREATE_EXCL "CREATE|EXCL"
39
40
41struct xsd_errors
42{
43 int errnum;
44 const char *errstring;
45};
46#define XSD_ERROR(x) { x, #x }
47static struct xsd_errors xsd_errors[] __attribute__((unused)) = {
48 XSD_ERROR(EINVAL),
49 XSD_ERROR(EACCES),
50 XSD_ERROR(EEXIST),
51 XSD_ERROR(EISDIR),
52 XSD_ERROR(ENOENT),
53 XSD_ERROR(ENOMEM),
54 XSD_ERROR(ENOSPC),
55 XSD_ERROR(EIO),
56 XSD_ERROR(ENOTEMPTY),
57 XSD_ERROR(ENOSYS),
58 XSD_ERROR(EROFS),
59 XSD_ERROR(EBUSY),
60 XSD_ERROR(EAGAIN),
61 XSD_ERROR(EISCONN)
62};
63
64struct xsd_sockmsg
65{
66 uint32_t type;
67 uint32_t req_id;
68 uint32_t tx_id;
69 uint32_t len;
70
71
72};
73
74enum xs_watch_type
75{
76 XS_WATCH_PATH = 0,
77 XS_WATCH_TOKEN
78};
79
80
81#define XENSTORE_RING_SIZE 1024
82typedef uint32_t XENSTORE_RING_IDX;
83#define MASK_XENSTORE_IDX(idx) ((idx) & (XENSTORE_RING_SIZE-1))
84struct xenstore_domain_interface {
85 char req[XENSTORE_RING_SIZE];
86 char rsp[XENSTORE_RING_SIZE];
87 XENSTORE_RING_IDX req_cons, req_prod;
88 XENSTORE_RING_IDX rsp_cons, rsp_prod;
89};
90
91
92#define XENSTORE_PAYLOAD_MAX 4096
93
94#endif
95