projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 1da177e4 LT |
2 | /*** ltpc.h |
| 3 | * | |
| 4 | * | |
| 5 | ***/ | |
| 6 | ||
| 7 | #define LT_GETRESULT 0x00 | |
| 8 | #define LT_WRITEMEM 0x01 | |
| 9 | #define LT_READMEM 0x02 | |
| 10 | #define LT_GETFLAGS 0x04 | |
| 11 | #define LT_SETFLAGS 0x05 | |
| 12 | #define LT_INIT 0x10 | |
| 13 | #define LT_SENDLAP 0x13 | |
| 14 | #define LT_RCVLAP 0x14 | |
| 15 | ||
| 16 | /* the flag that we care about */ | |
| 17 | #define LT_FLAG_ALLLAP 0x04 | |
| 18 | ||
| 19 | struct lt_getresult { | |
| 20 | unsigned char command; | |
| 21 | unsigned char mailbox; | |
| 22 | }; | |
| 23 | ||
| 24 | struct lt_mem { | |
| 25 | unsigned char command; | |
| 26 | unsigned char mailbox; | |
| 27 | unsigned short addr; /* host order */ | |
| 28 | unsigned short length; /* host order */ | |
| 29 | }; | |
| 30 | ||
| 31 | struct lt_setflags { | |
| 32 | unsigned char command; | |
| 33 | unsigned char mailbox; | |
| 34 | unsigned char flags; | |
| 35 | }; | |
| 36 | ||
| 37 | struct lt_getflags { | |
| 38 | unsigned char command; | |
| 39 | unsigned char mailbox; | |
| 40 | }; | |
| 41 | ||
| 42 | struct lt_init { | |
| 43 | unsigned char command; | |
| 44 | unsigned char mailbox; | |
| 45 | unsigned char hint; | |
| 46 | }; | |
| 47 | ||
| 48 | struct lt_sendlap { | |
| 49 | unsigned char command; | |
| 50 | unsigned char mailbox; | |
| 51 | unsigned char dnode; | |
| 52 | unsigned char laptype; | |
| 53 | unsigned short length; /* host order */ | |
| 54 | }; | |
| 55 | ||
| 56 | struct lt_rcvlap { | |
| 57 | unsigned char command; | |
| 58 | unsigned char dnode; | |
| 59 | unsigned char snode; | |
| 60 | unsigned char laptype; | |
| 61 | unsigned short length; /* host order */ | |
| 62 | }; | |
| 63 | ||
| 64 | union lt_command { | |
| 65 | struct lt_getresult getresult; | |
| 66 | struct lt_mem mem; | |
| 67 | struct lt_setflags setflags; | |
| 68 | struct lt_getflags getflags; | |
| 69 | struct lt_init init; | |
| 70 | struct lt_sendlap sendlap; | |
| 71 | struct lt_rcvlap rcvlap; | |
| 72 | }; | |
| 73 | typedef union lt_command lt_command; | |
| 74 |