fsdev/virtio-9p-marshal.h

   1 #ifndef _QEMU_VIRTIO_9P_MARSHAL_H
   2 #define _QEMU_VIRTIO_9P_MARSHAL_H
   3
   4 typedef struct V9fsString
   5 {
   6     uint16_t size;
   7     char *data;
   8 } V9fsString;
   9
  10 typedef struct V9fsQID
  11 {
  12     int8_t type;
  13     int32_t version;
  14     int64_t path;
  15 } V9fsQID;
  16
  17 typedef struct V9fsStat
  18 {
  19     int16_t size;
  20     int16_t type;
  21     int32_t dev;
  22     V9fsQID qid;
  23     int32_t mode;
  24     int32_t atime;
  25     int32_t mtime;
  26     int64_t length;
  27     V9fsString name;
  28     V9fsString uid;
  29     V9fsString gid;
  30     V9fsString muid;
  31     /* 9p2000.u */
  32     V9fsString extension;
  33    int32_t n_uid;
  34     int32_t n_gid;
  35     int32_t n_muid;
  36 } V9fsStat;
  37
  38 typedef struct V9fsIattr
  39 {
  40     int32_t valid;
  41     int32_t mode;
  42     int32_t uid;
  43     int32_t gid;
  44     int64_t size;
  45     int64_t atime_sec;
  46     int64_t atime_nsec;
  47     int64_t mtime_sec;
  48     int64_t mtime_nsec;
  49 } V9fsIattr;
  50
  51 typedef struct V9fsStatDotl {
  52     uint64_t st_result_mask;
  53     V9fsQID qid;
  54     uint32_t st_mode;
  55     uint32_t st_uid;
  56     uint32_t st_gid;
  57     uint64_t st_nlink;
  58     uint64_t st_rdev;
  59     uint64_t st_size;
  60     uint64_t st_blksize;
  61     uint64_t st_blocks;
  62     uint64_t st_atime_sec;
  63     uint64_t st_atime_nsec;
  64     uint64_t st_mtime_sec;
  65     uint64_t st_mtime_nsec;
  66     uint64_t st_ctime_sec;
  67     uint64_t st_ctime_nsec;
  68     uint64_t st_btime_sec;
  69     uint64_t st_btime_nsec;
  70     uint64_t st_gen;
  71     uint64_t st_data_version;
  72 } V9fsStatDotl;
  73
  74 static inline void v9fs_string_init(V9fsString *str)
  75 {
  76     str->data = NULL;
  77     str->size = 0;
  78 }
  79 extern void v9fs_string_free(V9fsString *str);
  80 extern void v9fs_string_null(V9fsString *str);
  81 extern void v9fs_string_sprintf(V9fsString *str, const char *fmt, ...);
  82 extern void v9fs_string_copy(V9fsString *lhs, V9fsString *rhs);
  83
  84 ssize_t v9fs_pack(struct iovec *in_sg, int in_num, size_t offset,
  85                   const void *src, size_t size);
  86 ssize_t v9fs_unmarshal(struct iovec *out_sg, int out_num, size_t offset,
  87                        int bswap, const char *fmt, ...);
  88 ssize_t v9fs_marshal(struct iovec *in_sg, int in_num, size_t offset,
  89                      int bswap, const char *fmt, ...);
  90 #endif