| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 1 | /*** ltpc.h |
| 2 | * |
| 3 | * |
| 4 | ***/ |
| 5 | |
| 6 | #define LT_GETRESULT 0x00 |
| 7 | #define LT_WRITEMEM 0x01 |
| 8 | #define LT_READMEM 0x02 |
| 9 | #define LT_GETFLAGS 0x04 |
| 10 | #define LT_SETFLAGS 0x05 |
| 11 | #define LT_INIT 0x10 |
| 12 | #define LT_SENDLAP 0x13 |
| 13 | #define LT_RCVLAP 0x14 |
| 14 | |
| 15 | /* the flag that we care about */ |
| 16 | #define LT_FLAG_ALLLAP 0x04 |
| 17 | |
| 18 | struct lt_getresult { |
| 19 | unsigned char command; |
| 20 | unsigned char mailbox; |
| 21 | }; |
| 22 | |
| 23 | struct lt_mem { |
| 24 | unsigned char command; |
| 25 | unsigned char mailbox; |
| 26 | unsigned short addr; /* host order */ |
| 27 | unsigned short length; /* host order */ |
| 28 | }; |
| 29 | |
| 30 | struct lt_setflags { |
| 31 | unsigned char command; |
| 32 | unsigned char mailbox; |
| 33 | unsigned char flags; |
| 34 | }; |
| 35 | |
| 36 | struct lt_getflags { |
| 37 | unsigned char command; |
| 38 | unsigned char mailbox; |
| 39 | }; |
| 40 | |
| 41 | struct lt_init { |
| 42 | unsigned char command; |
| 43 | unsigned char mailbox; |
| 44 | unsigned char hint; |
| 45 | }; |
| 46 | |
| 47 | struct lt_sendlap { |
| 48 | unsigned char command; |
| 49 | unsigned char mailbox; |
| 50 | unsigned char dnode; |
| 51 | unsigned char laptype; |
| 52 | unsigned short length; /* host order */ |
| 53 | }; |
| 54 | |
| 55 | struct lt_rcvlap { |
| 56 | unsigned char command; |
| 57 | unsigned char dnode; |
| 58 | unsigned char snode; |
| 59 | unsigned char laptype; |
| 60 | unsigned short length; /* host order */ |
| 61 | }; |
| 62 | |
| 63 | union lt_command { |
| 64 | struct lt_getresult getresult; |
| 65 | struct lt_mem mem; |
| 66 | struct lt_setflags setflags; |
| 67 | struct lt_getflags getflags; |
| 68 | struct lt_init init; |
| 69 | struct lt_sendlap sendlap; |
| 70 | struct lt_rcvlap rcvlap; |
| 71 | }; |
| 72 | typedef union lt_command lt_command; |
| 73 | |