1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun /*** ltpc.h 3*4882a593Smuzhiyun * 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun ***/ 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun #define LT_GETRESULT 0x00 8*4882a593Smuzhiyun #define LT_WRITEMEM 0x01 9*4882a593Smuzhiyun #define LT_READMEM 0x02 10*4882a593Smuzhiyun #define LT_GETFLAGS 0x04 11*4882a593Smuzhiyun #define LT_SETFLAGS 0x05 12*4882a593Smuzhiyun #define LT_INIT 0x10 13*4882a593Smuzhiyun #define LT_SENDLAP 0x13 14*4882a593Smuzhiyun #define LT_RCVLAP 0x14 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun /* the flag that we care about */ 17*4882a593Smuzhiyun #define LT_FLAG_ALLLAP 0x04 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun struct lt_getresult { 20*4882a593Smuzhiyun unsigned char command; 21*4882a593Smuzhiyun unsigned char mailbox; 22*4882a593Smuzhiyun }; 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun struct lt_mem { 25*4882a593Smuzhiyun unsigned char command; 26*4882a593Smuzhiyun unsigned char mailbox; 27*4882a593Smuzhiyun unsigned short addr; /* host order */ 28*4882a593Smuzhiyun unsigned short length; /* host order */ 29*4882a593Smuzhiyun }; 30*4882a593Smuzhiyun 31*4882a593Smuzhiyun struct lt_setflags { 32*4882a593Smuzhiyun unsigned char command; 33*4882a593Smuzhiyun unsigned char mailbox; 34*4882a593Smuzhiyun unsigned char flags; 35*4882a593Smuzhiyun }; 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun struct lt_getflags { 38*4882a593Smuzhiyun unsigned char command; 39*4882a593Smuzhiyun unsigned char mailbox; 40*4882a593Smuzhiyun }; 41*4882a593Smuzhiyun 42*4882a593Smuzhiyun struct lt_init { 43*4882a593Smuzhiyun unsigned char command; 44*4882a593Smuzhiyun unsigned char mailbox; 45*4882a593Smuzhiyun unsigned char hint; 46*4882a593Smuzhiyun }; 47*4882a593Smuzhiyun 48*4882a593Smuzhiyun struct lt_sendlap { 49*4882a593Smuzhiyun unsigned char command; 50*4882a593Smuzhiyun unsigned char mailbox; 51*4882a593Smuzhiyun unsigned char dnode; 52*4882a593Smuzhiyun unsigned char laptype; 53*4882a593Smuzhiyun unsigned short length; /* host order */ 54*4882a593Smuzhiyun }; 55*4882a593Smuzhiyun 56*4882a593Smuzhiyun struct lt_rcvlap { 57*4882a593Smuzhiyun unsigned char command; 58*4882a593Smuzhiyun unsigned char dnode; 59*4882a593Smuzhiyun unsigned char snode; 60*4882a593Smuzhiyun unsigned char laptype; 61*4882a593Smuzhiyun unsigned short length; /* host order */ 62*4882a593Smuzhiyun }; 63*4882a593Smuzhiyun 64*4882a593Smuzhiyun union lt_command { 65*4882a593Smuzhiyun struct lt_getresult getresult; 66*4882a593Smuzhiyun struct lt_mem mem; 67*4882a593Smuzhiyun struct lt_setflags setflags; 68*4882a593Smuzhiyun struct lt_getflags getflags; 69*4882a593Smuzhiyun struct lt_init init; 70*4882a593Smuzhiyun struct lt_sendlap sendlap; 71*4882a593Smuzhiyun struct lt_rcvlap rcvlap; 72*4882a593Smuzhiyun }; 73*4882a593Smuzhiyun typedef union lt_command lt_command; 74*4882a593Smuzhiyun 75