1 #ifndef _IPXE_ONCRPC_IOB_H
2 #define _IPXE_ONCRPC_IOB_H
3
4 #include <stdint.h>
5 #include <string.h>
6 #include <ipxe/iobuf.h>
7 #include <ipxe/refcnt.h>
8 #include <ipxe/oncrpc.h>
9
10 /** @file
11 *
12 * SUN ONC RPC protocol.
13 *
14 */
15
16 FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
17
18 /**
19 * Add a string to the end of an I/O buffer
20 *
21 * @v io_buf I/O buffer
22 * @v val String
23 * @ret size Size of the data written
24 */
25 #define oncrpc_iob_add_string( buf, str ) \
26 ( { \
27 const char * _str = (str); \
28 oncrpc_iob_add_array ( (buf), strlen ( _str ), _str ); \
29 } )
30
31 /**
32 * Get a 32 bits integer from the beginning of an I/O buffer
33 *
34 * @v buf I/O buffer
35 * @ret int Integer
36 */
37
38 #define oncrpc_iob_get_int( buf ) \
39 ( { \
40 uint32_t *_val; \
41 _val = (buf)->data; \
42 iob_pull ( (buf), sizeof ( uint32_t ) ); \
43 ntohl ( *_val ); \
44 } )
45
46 /**
47 * Get a 64 bits integer from the beginning of an I/O buffer
48 *
49 * @v buf I/O buffer
50 * @ret int Integer
51 */
52 #define oncrpc_iob_get_int64( buf ) \
53 ( { \
54 uint64_t *_val; \
55 _val = (buf)->data; \
56 iob_pull ( (buf), sizeof ( uint64_t ) ); \
57 ntohll ( *_val ); \
58 } )
59
60
61 size_t oncrpc_iob_add_fields ( struct io_buffer *io_buf,
62 const struct oncrpc_field fields[] );
63
64 size_t oncrpc_iob_add_array ( struct io_buffer *io_buf, size_t length,
65 const void *data );
66
67 size_t oncrpc_iob_add_intarray ( struct io_buffer *io_buf, size_t length,
68 const uint32_t *array );
69
70 size_t oncrpc_iob_add_cred ( struct io_buffer *io_buf,
71 const struct oncrpc_cred *cred );
72
73 size_t oncrpc_iob_get_cred ( struct io_buffer *io_buf,
74 struct oncrpc_cred *cred );
75
76 /**
77 * Add a 32 bits integer to the end of an I/O buffer
78 *
79 * @v io_buf I/O buffer
80 * @v val Integer
81 * @ret size Size of the data written
82 */
oncrpc_iob_add_int(struct io_buffer * io_buf,uint32_t val)83 static inline size_t oncrpc_iob_add_int ( struct io_buffer *io_buf,
84 uint32_t val ) {
85 * ( uint32_t * ) iob_put ( io_buf, sizeof ( val ) ) = htonl ( val );
86 return ( sizeof ( val) );
87 }
88
89 /**
90 * Add a 64 bits integer to the end of an I/O buffer
91 *
92 * @v io_buf I/O buffer
93 * @v val Integer
94 * @ret size Size of the data written
95 */
oncrpc_iob_add_int64(struct io_buffer * io_buf,uint64_t val)96 static inline size_t oncrpc_iob_add_int64 ( struct io_buffer *io_buf,
97 uint64_t val ) {
98 * ( uint64_t * ) iob_put ( io_buf, sizeof ( val ) ) = htonll ( val );
99 return ( sizeof ( val) );
100 }
101
102 #endif /* _IPXE_ONCRPC_IOB_H */
103