1*e65e175bSOded Gabbay /* SPDX-License-Identifier: GPL-2.0 2*e65e175bSOded Gabbay * 3*e65e175bSOded Gabbay * Copyright 2017-2020 HabanaLabs, Ltd. 4*e65e175bSOded Gabbay * All Rights Reserved. 5*e65e175bSOded Gabbay * 6*e65e175bSOded Gabbay */ 7*e65e175bSOded Gabbay 8*e65e175bSOded Gabbay #ifndef GAUDI_PACKETS_H 9*e65e175bSOded Gabbay #define GAUDI_PACKETS_H 10*e65e175bSOded Gabbay 11*e65e175bSOded Gabbay #include <linux/types.h> 12*e65e175bSOded Gabbay 13*e65e175bSOded Gabbay #define PACKET_HEADER_PACKET_ID_SHIFT 56 14*e65e175bSOded Gabbay #define PACKET_HEADER_PACKET_ID_MASK 0x1F00000000000000ull 15*e65e175bSOded Gabbay 16*e65e175bSOded Gabbay enum packet_id { 17*e65e175bSOded Gabbay PACKET_WREG_32 = 0x1, 18*e65e175bSOded Gabbay PACKET_WREG_BULK = 0x2, 19*e65e175bSOded Gabbay PACKET_MSG_LONG = 0x3, 20*e65e175bSOded Gabbay PACKET_MSG_SHORT = 0x4, 21*e65e175bSOded Gabbay PACKET_CP_DMA = 0x5, 22*e65e175bSOded Gabbay PACKET_REPEAT = 0x6, 23*e65e175bSOded Gabbay PACKET_MSG_PROT = 0x7, 24*e65e175bSOded Gabbay PACKET_FENCE = 0x8, 25*e65e175bSOded Gabbay PACKET_LIN_DMA = 0x9, 26*e65e175bSOded Gabbay PACKET_NOP = 0xA, 27*e65e175bSOded Gabbay PACKET_STOP = 0xB, 28*e65e175bSOded Gabbay PACKET_ARB_POINT = 0xC, 29*e65e175bSOded Gabbay PACKET_WAIT = 0xD, 30*e65e175bSOded Gabbay PACKET_LOAD_AND_EXE = 0xF, 31*e65e175bSOded Gabbay MAX_PACKET_ID = (PACKET_HEADER_PACKET_ID_MASK >> 32*e65e175bSOded Gabbay PACKET_HEADER_PACKET_ID_SHIFT) + 1 33*e65e175bSOded Gabbay }; 34*e65e175bSOded Gabbay 35*e65e175bSOded Gabbay #define GAUDI_PKT_CTL_OPCODE_SHIFT 24 36*e65e175bSOded Gabbay #define GAUDI_PKT_CTL_OPCODE_MASK 0x1F000000 37*e65e175bSOded Gabbay 38*e65e175bSOded Gabbay #define GAUDI_PKT_CTL_EB_SHIFT 29 39*e65e175bSOded Gabbay #define GAUDI_PKT_CTL_EB_MASK 0x20000000 40*e65e175bSOded Gabbay 41*e65e175bSOded Gabbay #define GAUDI_PKT_CTL_RB_SHIFT 30 42*e65e175bSOded Gabbay #define GAUDI_PKT_CTL_RB_MASK 0x40000000 43*e65e175bSOded Gabbay 44*e65e175bSOded Gabbay #define GAUDI_PKT_CTL_MB_SHIFT 31 45*e65e175bSOded Gabbay #define GAUDI_PKT_CTL_MB_MASK 0x80000000 46*e65e175bSOded Gabbay 47*e65e175bSOded Gabbay /* All packets have, at least, an 8-byte header, which contains 48*e65e175bSOded Gabbay * the packet type. The kernel driver uses the packet header for packet 49*e65e175bSOded Gabbay * validation and to perform any necessary required preparation before 50*e65e175bSOded Gabbay * sending them off to the hardware. 51*e65e175bSOded Gabbay */ 52*e65e175bSOded Gabbay struct gaudi_packet { 53*e65e175bSOded Gabbay __le64 header; 54*e65e175bSOded Gabbay /* The rest of the packet data follows. Use the corresponding 55*e65e175bSOded Gabbay * packet_XXX struct to deference the data, based on packet type 56*e65e175bSOded Gabbay */ 57*e65e175bSOded Gabbay u8 contents[]; 58*e65e175bSOded Gabbay }; 59*e65e175bSOded Gabbay 60*e65e175bSOded Gabbay struct packet_nop { 61*e65e175bSOded Gabbay __le32 reserved; 62*e65e175bSOded Gabbay __le32 ctl; 63*e65e175bSOded Gabbay }; 64*e65e175bSOded Gabbay 65*e65e175bSOded Gabbay struct packet_stop { 66*e65e175bSOded Gabbay __le32 reserved; 67*e65e175bSOded Gabbay __le32 ctl; 68*e65e175bSOded Gabbay }; 69*e65e175bSOded Gabbay 70*e65e175bSOded Gabbay struct packet_wreg32 { 71*e65e175bSOded Gabbay __le32 value; 72*e65e175bSOded Gabbay __le32 ctl; 73*e65e175bSOded Gabbay }; 74*e65e175bSOded Gabbay 75*e65e175bSOded Gabbay struct packet_wreg_bulk { 76*e65e175bSOded Gabbay __le32 size64; 77*e65e175bSOded Gabbay __le32 ctl; 78*e65e175bSOded Gabbay __le64 values[]; /* data starts here */ 79*e65e175bSOded Gabbay }; 80*e65e175bSOded Gabbay 81*e65e175bSOded Gabbay #define GAUDI_PKT_LONG_CTL_OP_SHIFT 20 82*e65e175bSOded Gabbay #define GAUDI_PKT_LONG_CTL_OP_MASK 0x00300000 83*e65e175bSOded Gabbay 84*e65e175bSOded Gabbay struct packet_msg_long { 85*e65e175bSOded Gabbay __le32 value; 86*e65e175bSOded Gabbay __le32 ctl; 87*e65e175bSOded Gabbay __le64 addr; 88*e65e175bSOded Gabbay }; 89*e65e175bSOded Gabbay 90*e65e175bSOded Gabbay #define GAUDI_PKT_SHORT_VAL_SOB_SYNC_VAL_SHIFT 0 91*e65e175bSOded Gabbay #define GAUDI_PKT_SHORT_VAL_SOB_SYNC_VAL_MASK 0x00007FFF 92*e65e175bSOded Gabbay 93*e65e175bSOded Gabbay #define GAUDI_PKT_SHORT_VAL_SOB_MOD_SHIFT 31 94*e65e175bSOded Gabbay #define GAUDI_PKT_SHORT_VAL_SOB_MOD_MASK 0x80000000 95*e65e175bSOded Gabbay 96*e65e175bSOded Gabbay #define GAUDI_PKT_SHORT_VAL_MON_SYNC_GID_SHIFT 0 97*e65e175bSOded Gabbay #define GAUDI_PKT_SHORT_VAL_MON_SYNC_GID_MASK 0x000000FF 98*e65e175bSOded Gabbay 99*e65e175bSOded Gabbay #define GAUDI_PKT_SHORT_VAL_MON_MASK_SHIFT 8 100*e65e175bSOded Gabbay #define GAUDI_PKT_SHORT_VAL_MON_MASK_MASK 0x0000FF00 101*e65e175bSOded Gabbay 102*e65e175bSOded Gabbay #define GAUDI_PKT_SHORT_VAL_MON_MODE_SHIFT 16 103*e65e175bSOded Gabbay #define GAUDI_PKT_SHORT_VAL_MON_MODE_MASK 0x00010000 104*e65e175bSOded Gabbay 105*e65e175bSOded Gabbay #define GAUDI_PKT_SHORT_VAL_MON_SYNC_VAL_SHIFT 17 106*e65e175bSOded Gabbay #define GAUDI_PKT_SHORT_VAL_MON_SYNC_VAL_MASK 0xFFFE0000 107*e65e175bSOded Gabbay 108*e65e175bSOded Gabbay #define GAUDI_PKT_SHORT_CTL_ADDR_SHIFT 0 109*e65e175bSOded Gabbay #define GAUDI_PKT_SHORT_CTL_ADDR_MASK 0x0000FFFF 110*e65e175bSOded Gabbay 111*e65e175bSOded Gabbay #define GAUDI_PKT_SHORT_CTL_OP_SHIFT 20 112*e65e175bSOded Gabbay #define GAUDI_PKT_SHORT_CTL_OP_MASK 0x00300000 113*e65e175bSOded Gabbay 114*e65e175bSOded Gabbay #define GAUDI_PKT_SHORT_CTL_BASE_SHIFT 22 115*e65e175bSOded Gabbay #define GAUDI_PKT_SHORT_CTL_BASE_MASK 0x00C00000 116*e65e175bSOded Gabbay 117*e65e175bSOded Gabbay struct packet_msg_short { 118*e65e175bSOded Gabbay __le32 value; 119*e65e175bSOded Gabbay __le32 ctl; 120*e65e175bSOded Gabbay }; 121*e65e175bSOded Gabbay 122*e65e175bSOded Gabbay struct packet_msg_prot { 123*e65e175bSOded Gabbay __le32 value; 124*e65e175bSOded Gabbay __le32 ctl; 125*e65e175bSOded Gabbay __le64 addr; 126*e65e175bSOded Gabbay }; 127*e65e175bSOded Gabbay 128*e65e175bSOded Gabbay #define GAUDI_PKT_FENCE_CFG_DEC_VAL_SHIFT 0 129*e65e175bSOded Gabbay #define GAUDI_PKT_FENCE_CFG_DEC_VAL_MASK 0x0000000F 130*e65e175bSOded Gabbay 131*e65e175bSOded Gabbay #define GAUDI_PKT_FENCE_CFG_TARGET_VAL_SHIFT 16 132*e65e175bSOded Gabbay #define GAUDI_PKT_FENCE_CFG_TARGET_VAL_MASK 0x00FF0000 133*e65e175bSOded Gabbay 134*e65e175bSOded Gabbay #define GAUDI_PKT_FENCE_CFG_ID_SHIFT 30 135*e65e175bSOded Gabbay #define GAUDI_PKT_FENCE_CFG_ID_MASK 0xC0000000 136*e65e175bSOded Gabbay 137*e65e175bSOded Gabbay #define GAUDI_PKT_FENCE_CTL_PRED_SHIFT 0 138*e65e175bSOded Gabbay #define GAUDI_PKT_FENCE_CTL_PRED_MASK 0x0000001F 139*e65e175bSOded Gabbay 140*e65e175bSOded Gabbay struct packet_fence { 141*e65e175bSOded Gabbay __le32 cfg; 142*e65e175bSOded Gabbay __le32 ctl; 143*e65e175bSOded Gabbay }; 144*e65e175bSOded Gabbay 145*e65e175bSOded Gabbay #define GAUDI_PKT_LIN_DMA_CTL_WRCOMP_EN_SHIFT 0 146*e65e175bSOded Gabbay #define GAUDI_PKT_LIN_DMA_CTL_WRCOMP_EN_MASK 0x00000001 147*e65e175bSOded Gabbay 148*e65e175bSOded Gabbay #define GAUDI_PKT_LIN_DMA_CTL_LIN_SHIFT 3 149*e65e175bSOded Gabbay #define GAUDI_PKT_LIN_DMA_CTL_LIN_MASK 0x00000008 150*e65e175bSOded Gabbay 151*e65e175bSOded Gabbay #define GAUDI_PKT_LIN_DMA_CTL_MEMSET_SHIFT 4 152*e65e175bSOded Gabbay #define GAUDI_PKT_LIN_DMA_CTL_MEMSET_MASK 0x00000010 153*e65e175bSOded Gabbay 154*e65e175bSOded Gabbay #define GAUDI_PKT_LIN_DMA_DST_ADDR_SHIFT 0 155*e65e175bSOded Gabbay #define GAUDI_PKT_LIN_DMA_DST_ADDR_MASK 0x00FFFFFFFFFFFFFFull 156*e65e175bSOded Gabbay 157*e65e175bSOded Gabbay struct packet_lin_dma { 158*e65e175bSOded Gabbay __le32 tsize; 159*e65e175bSOded Gabbay __le32 ctl; 160*e65e175bSOded Gabbay __le64 src_addr; 161*e65e175bSOded Gabbay __le64 dst_addr; 162*e65e175bSOded Gabbay }; 163*e65e175bSOded Gabbay 164*e65e175bSOded Gabbay struct packet_arb_point { 165*e65e175bSOded Gabbay __le32 cfg; 166*e65e175bSOded Gabbay __le32 ctl; 167*e65e175bSOded Gabbay }; 168*e65e175bSOded Gabbay 169*e65e175bSOded Gabbay struct packet_repeat { 170*e65e175bSOded Gabbay __le32 cfg; 171*e65e175bSOded Gabbay __le32 ctl; 172*e65e175bSOded Gabbay }; 173*e65e175bSOded Gabbay 174*e65e175bSOded Gabbay struct packet_wait { 175*e65e175bSOded Gabbay __le32 cfg; 176*e65e175bSOded Gabbay __le32 ctl; 177*e65e175bSOded Gabbay }; 178*e65e175bSOded Gabbay 179*e65e175bSOded Gabbay #define GAUDI_PKT_LOAD_AND_EXE_CFG_DST_SHIFT 0 180*e65e175bSOded Gabbay #define GAUDI_PKT_LOAD_AND_EXE_CFG_DST_MASK 0x00000001 181*e65e175bSOded Gabbay 182*e65e175bSOded Gabbay struct packet_load_and_exe { 183*e65e175bSOded Gabbay __le32 cfg; 184*e65e175bSOded Gabbay __le32 ctl; 185*e65e175bSOded Gabbay __le64 src_addr; 186*e65e175bSOded Gabbay }; 187*e65e175bSOded Gabbay 188*e65e175bSOded Gabbay struct packet_cp_dma { 189*e65e175bSOded Gabbay __le32 tsize; 190*e65e175bSOded Gabbay __le32 ctl; 191*e65e175bSOded Gabbay __le64 src_addr; 192*e65e175bSOded Gabbay }; 193*e65e175bSOded Gabbay 194*e65e175bSOded Gabbay #endif /* GAUDI_PACKETS_H */ 195