1/* SPDX-License-Identifier: GPL-2.0 */
 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
19struct lt_getresult {
20	unsigned char command;
21	unsigned char mailbox;
22};
23
24struct lt_mem {
25	unsigned char command;
26	unsigned char mailbox;
27	unsigned short addr;	/* host order */
28	unsigned short length;	/* host order */
29};
30
31struct lt_setflags {
32	unsigned char command;
33	unsigned char mailbox;
34	unsigned char flags;
35};
36
37struct lt_getflags {
38	unsigned char command;
39	unsigned char mailbox;
40};
41
42struct lt_init {
43	unsigned char command;
44	unsigned char mailbox;
45	unsigned char hint;
46};
47
48struct 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
56struct 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
64union 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};
73typedef union lt_command lt_command;
74