osfmk/kdp/kdp_core.h

   1 /* Various protocol definitions
   2  *  for the core transfer protocol, which is a variant of TFTP
   3  */
   4
   5 /*
   6  * Packet types.
   7  */
   8 #define KDP_RRQ   1                     /* read request */
   9 #define KDP_WRQ   2                     /* write request */
  10 #define KDP_DATA  3                     /* data packet */
  11 #define KDP_ACK   4                     /* acknowledgement */
  12 #define KDP_ERROR 5                     /* error code */
  13 #define KDP_SEEK  6                     /* Seek to specified offset */
  14 #define KDP_EOF   7                     /* signal end of file */
  15 struct  corehdr {
  16         short   th_opcode;              /* packet type */
  17         union {
  18                 unsigned int    tu_block;       /* block # */
  19                 unsigned int    tu_code;        /* error code */
  20                 char    tu_rpl[1];      /* request packet payload */
  21         } th_u;
  22         char    th_data[1];             /* data or error string */
  23 }__attribute__((packed));
  24
  25 #define th_block        th_u.tu_block
  26 #define th_code         th_u.tu_code
  27 #define th_stuff        th_u.tu_rpl
  28 #define th_msg          th_data
  29
  30 /*
  31  * Error codes.
  32  */
  33 #define EUNDEF          0               /* not defined */
  34 #define ENOTFOUND       1               /* file not found */
  35 #define EACCESS         2               /* access violation */
  36 #define ENOSPACE        3               /* disk full or allocation exceeded */
  37 #define EBADOP          4               /* illegal TFTP operation */
  38 #define EBADID          5               /* unknown transfer ID */
  39 #define EEXISTS         6               /* file already exists */
  40 #define ENOUSER         7               /* no such user */
  41
  42 #define CORE_REMOTE_PORT 1069 /* hardwired, we can't really query the services file */
  43
  44 void kdp_panic_dump (void);
  45
  46 void abort_panic_transfer (void);
  47
  48 struct corehdr *create_panic_header(unsigned int request, const char *corename, unsigned length, unsigned block);
  49
  50 int kdp_send_panic_pkt (unsigned int request, char *corename, unsigned int length, void *panic_data);