1e65e175bSOded Gabbay /* SPDX-License-Identifier: GPL-2.0 2e65e175bSOded Gabbay * 3e65e175bSOded Gabbay * Copyright 2020 HabanaLabs, Ltd. 4e65e175bSOded Gabbay * All Rights Reserved. 5e65e175bSOded Gabbay * 6e65e175bSOded Gabbay */ 7e65e175bSOded Gabbay 8e65e175bSOded Gabbay #ifndef GAUDI2_PACKETS_H 9e65e175bSOded Gabbay #define GAUDI2_PACKETS_H 10e65e175bSOded Gabbay 11e65e175bSOded Gabbay #include <linux/types.h> 12e65e175bSOded Gabbay 13e65e175bSOded Gabbay #define PACKET_HEADER_PACKET_ID_SHIFT 56 14e65e175bSOded Gabbay #define PACKET_HEADER_PACKET_ID_MASK 0x1F00000000000000ull 15e65e175bSOded Gabbay 16e65e175bSOded Gabbay enum packet_id { 17e65e175bSOded Gabbay PACKET_WREG_32 = 0x1, 18e65e175bSOded Gabbay PACKET_WREG_BULK = 0x2, 19e65e175bSOded Gabbay PACKET_MSG_LONG = 0x3, 20e65e175bSOded Gabbay PACKET_MSG_SHORT = 0x4, 21e65e175bSOded Gabbay PACKET_CP_DMA = 0x5, 22e65e175bSOded Gabbay PACKET_REPEAT = 0x6, 23e65e175bSOded Gabbay PACKET_MSG_PROT = 0x7, 24e65e175bSOded Gabbay PACKET_FENCE = 0x8, 25e65e175bSOded Gabbay PACKET_LIN_DMA = 0x9, 26e65e175bSOded Gabbay PACKET_NOP = 0xA, 27e65e175bSOded Gabbay PACKET_STOP = 0xB, 28e65e175bSOded Gabbay PACKET_ARB_POINT = 0xC, 29e65e175bSOded Gabbay PACKET_WAIT = 0xD, 30e65e175bSOded Gabbay PACKET_CB_LIST = 0xE, 31e65e175bSOded Gabbay PACKET_LOAD_AND_EXE = 0xF, 32e65e175bSOded Gabbay PACKET_WRITE_ARC_STREAM = 0x10, 33e65e175bSOded Gabbay PACKET_LAST_READ_FROM_ARC = 0x11, 34e65e175bSOded Gabbay PACKET_WREG_64_SHORT = 0x12, 35e65e175bSOded Gabbay PACKET_WREG_64_LONG = 0x13, 36e65e175bSOded Gabbay MAX_PACKET_ID = (PACKET_HEADER_PACKET_ID_MASK >> 37e65e175bSOded Gabbay PACKET_HEADER_PACKET_ID_SHIFT) + 1 38e65e175bSOded Gabbay }; 39e65e175bSOded Gabbay 40e65e175bSOded Gabbay #define GAUDI2_PKT_CTL_OPCODE_SHIFT 24 41e65e175bSOded Gabbay #define GAUDI2_PKT_CTL_OPCODE_MASK 0x1F000000 42e65e175bSOded Gabbay 43e65e175bSOded Gabbay #define GAUDI2_PKT_CTL_EB_SHIFT 29 44e65e175bSOded Gabbay #define GAUDI2_PKT_CTL_EB_MASK 0x20000000 45e65e175bSOded Gabbay 46e65e175bSOded Gabbay #define GAUDI2_PKT_CTL_RB_SHIFT 30 47e65e175bSOded Gabbay #define GAUDI2_PKT_CTL_RB_MASK 0x40000000 48e65e175bSOded Gabbay 49e65e175bSOded Gabbay #define GAUDI2_PKT_CTL_MB_SHIFT 31 50e65e175bSOded Gabbay #define GAUDI2_PKT_CTL_MB_MASK 0x80000000 51e65e175bSOded Gabbay 52e65e175bSOded Gabbay /* All packets have, at least, an 8-byte header, which contains 53e65e175bSOded Gabbay * the packet type. The kernel driver uses the packet header for packet 54e65e175bSOded Gabbay * validation and to perform any necessary required preparation before 55e65e175bSOded Gabbay * sending them off to the hardware. 56e65e175bSOded Gabbay */ 57e65e175bSOded Gabbay struct gaudi2_packet { 58e65e175bSOded Gabbay __le64 header; 59e65e175bSOded Gabbay /* The rest of the packet data follows. Use the corresponding 60e65e175bSOded Gabbay * packet_XXX struct to deference the data, based on packet type 61e65e175bSOded Gabbay */ 62*7d352a81SGustavo A. R. Silva u8 contents[]; 63e65e175bSOded Gabbay }; 64e65e175bSOded Gabbay 65e65e175bSOded Gabbay struct packet_nop { 66e65e175bSOded Gabbay __le32 reserved; 67e65e175bSOded Gabbay __le32 ctl; 68e65e175bSOded Gabbay }; 69e65e175bSOded Gabbay 70e65e175bSOded Gabbay struct packet_stop { 71e65e175bSOded Gabbay __le32 reserved; 72e65e175bSOded Gabbay __le32 ctl; 73e65e175bSOded Gabbay }; 74e65e175bSOded Gabbay 75e65e175bSOded Gabbay struct packet_wreg32 { 76e65e175bSOded Gabbay __le32 value; 77e65e175bSOded Gabbay __le32 ctl; 78e65e175bSOded Gabbay }; 79e65e175bSOded Gabbay 80e65e175bSOded Gabbay struct packet_wreg_bulk { 81e65e175bSOded Gabbay __le32 size64; 82e65e175bSOded Gabbay __le32 ctl; 83*7d352a81SGustavo A. R. Silva __le64 values[]; /* data starts here */ 84e65e175bSOded Gabbay }; 85e65e175bSOded Gabbay 86e65e175bSOded Gabbay struct packet_msg_long { 87e65e175bSOded Gabbay __le32 value; 88e65e175bSOded Gabbay __le32 ctl; 89e65e175bSOded Gabbay __le64 addr; 90e65e175bSOded Gabbay }; 91e65e175bSOded Gabbay 92e65e175bSOded Gabbay #define GAUDI2_PKT_SHORT_VAL_SOB_SYNC_VAL_SHIFT 0 93e65e175bSOded Gabbay #define GAUDI2_PKT_SHORT_VAL_SOB_SYNC_VAL_MASK 0x00007FFF 94e65e175bSOded Gabbay 95e65e175bSOded Gabbay #define GAUDI2_PKT_SHORT_VAL_SOB_MOD_SHIFT 31 96e65e175bSOded Gabbay #define GAUDI2_PKT_SHORT_VAL_SOB_MOD_MASK 0x80000000 97e65e175bSOded Gabbay 98e65e175bSOded Gabbay #define GAUDI2_PKT_SHORT_VAL_MON_SYNC_GID_SHIFT 0 99e65e175bSOded Gabbay #define GAUDI2_PKT_SHORT_VAL_MON_SYNC_GID_MASK 0x000000FF 100e65e175bSOded Gabbay 101e65e175bSOded Gabbay #define GAUDI2_PKT_SHORT_VAL_MON_MASK_SHIFT 8 102e65e175bSOded Gabbay #define GAUDI2_PKT_SHORT_VAL_MON_MASK_MASK 0x0000FF00 103e65e175bSOded Gabbay 104e65e175bSOded Gabbay #define GAUDI2_PKT_SHORT_VAL_MON_MODE_SHIFT 16 105e65e175bSOded Gabbay #define GAUDI2_PKT_SHORT_VAL_MON_MODE_MASK 0x00010000 106e65e175bSOded Gabbay 107e65e175bSOded Gabbay #define GAUDI2_PKT_SHORT_VAL_MON_SYNC_VAL_SHIFT 17 108e65e175bSOded Gabbay #define GAUDI2_PKT_SHORT_VAL_MON_SYNC_VAL_MASK 0xFFFE0000 109e65e175bSOded Gabbay 110e65e175bSOded Gabbay #define GAUDI2_PKT_SHORT_CTL_ADDR_SHIFT 0 111e65e175bSOded Gabbay #define GAUDI2_PKT_SHORT_CTL_ADDR_MASK 0x0000FFFF 112e65e175bSOded Gabbay 113e65e175bSOded Gabbay #define GAUDI2_PKT_SHORT_CTL_BASE_SHIFT 22 114e65e175bSOded Gabbay #define GAUDI2_PKT_SHORT_CTL_BASE_MASK 0x00C00000 115e65e175bSOded Gabbay 116e65e175bSOded Gabbay struct packet_msg_short { 117e65e175bSOded Gabbay __le32 value; 118e65e175bSOded Gabbay __le32 ctl; 119e65e175bSOded Gabbay }; 120e65e175bSOded Gabbay 121e65e175bSOded Gabbay struct packet_msg_prot { 122e65e175bSOded Gabbay __le32 value; 123e65e175bSOded Gabbay __le32 ctl; 124e65e175bSOded Gabbay __le64 addr; 125e65e175bSOded Gabbay }; 126e65e175bSOded Gabbay 127e65e175bSOded Gabbay #define GAUDI2_PKT_FENCE_CFG_DEC_VAL_SHIFT 0 128e65e175bSOded Gabbay #define GAUDI2_PKT_FENCE_CFG_DEC_VAL_MASK 0x0000000F 129e65e175bSOded Gabbay 130e65e175bSOded Gabbay #define GAUDI2_PKT_FENCE_CFG_TARGET_VAL_SHIFT 16 131e65e175bSOded Gabbay #define GAUDI2_PKT_FENCE_CFG_TARGET_VAL_MASK 0x00FF0000 132e65e175bSOded Gabbay 133e65e175bSOded Gabbay #define GAUDI2_PKT_FENCE_CFG_ID_SHIFT 30 134e65e175bSOded Gabbay #define GAUDI2_PKT_FENCE_CFG_ID_MASK 0xC0000000 135e65e175bSOded Gabbay 136e65e175bSOded Gabbay #define GAUDI2_PKT_FENCE_CTL_PRED_SHIFT 0 137e65e175bSOded Gabbay #define GAUDI2_PKT_FENCE_CTL_PRED_MASK 0x0000001F 138e65e175bSOded Gabbay 139e65e175bSOded Gabbay struct packet_fence { 140e65e175bSOded Gabbay __le32 cfg; 141e65e175bSOded Gabbay __le32 ctl; 142e65e175bSOded Gabbay }; 143e65e175bSOded Gabbay 144e65e175bSOded Gabbay #define GAUDI2_PKT_LIN_DMA_CTL_WRCOMP_SHIFT 0 145e65e175bSOded Gabbay #define GAUDI2_PKT_LIN_DMA_CTL_WRCOMP_MASK 0x00000001 146e65e175bSOded Gabbay 147e65e175bSOded Gabbay #define GAUDI2_PKT_LIN_DMA_CTL_ENDIAN_SHIFT 1 148e65e175bSOded Gabbay #define GAUDI2_PKT_LIN_DMA_CTL_ENDIAN_MASK 0x00000006 149e65e175bSOded Gabbay 150e65e175bSOded Gabbay #define GAUDI2_PKT_LIN_DMA_CTL_MEMSET_SHIFT 4 151e65e175bSOded Gabbay #define GAUDI2_PKT_LIN_DMA_CTL_MEMSET_MASK 0x00000010 152e65e175bSOded Gabbay 153e65e175bSOded Gabbay #define GAUDI2_PKT_LIN_DMA_CTL_CONTEXT_ID_SHIFT 8 154e65e175bSOded Gabbay #define GAUDI2_PKT_LIN_DMA_CTL_CONTEXT_ID_MASK 0x00FFFF00 155e65e175bSOded Gabbay 156e65e175bSOded Gabbay struct packet_lin_dma { 157e65e175bSOded Gabbay __le32 tsize; 158e65e175bSOded Gabbay __le32 ctl; 159e65e175bSOded Gabbay __le64 src_addr; 160e65e175bSOded Gabbay __le64 dst_addr; 161e65e175bSOded Gabbay }; 162e65e175bSOded Gabbay 163e65e175bSOded Gabbay struct packet_arb_point { 164e65e175bSOded Gabbay __le32 cfg; 165e65e175bSOded Gabbay __le32 ctl; 166e65e175bSOded Gabbay }; 167e65e175bSOded Gabbay 168e65e175bSOded Gabbay struct packet_repeat { 169e65e175bSOded Gabbay __le32 cfg; 170e65e175bSOded Gabbay __le32 ctl; 171e65e175bSOded Gabbay }; 172e65e175bSOded Gabbay 173e65e175bSOded Gabbay struct packet_wait { 174e65e175bSOded Gabbay __le32 cfg; 175e65e175bSOded Gabbay __le32 ctl; 176e65e175bSOded Gabbay }; 177e65e175bSOded Gabbay 178e65e175bSOded Gabbay struct packet_cb_list { 179e65e175bSOded Gabbay __le32 reserved; 180e65e175bSOded Gabbay __le32 ctl; 181e65e175bSOded Gabbay __le64 index_addr; 182e65e175bSOded Gabbay __le64 table_addr; 183e65e175bSOded Gabbay }; 184e65e175bSOded Gabbay 185e65e175bSOded Gabbay struct packet_load_and_exe { 186e65e175bSOded Gabbay __le32 cfg; 187e65e175bSOded Gabbay __le32 ctl; 188e65e175bSOded Gabbay __le64 src_addr; 189e65e175bSOded Gabbay }; 190e65e175bSOded Gabbay 191e65e175bSOded Gabbay struct packet_cp_dma { 192e65e175bSOded Gabbay __le32 tsize; 193e65e175bSOded Gabbay __le32 ctl; 194e65e175bSOded Gabbay __le64 src_addr; 195e65e175bSOded Gabbay }; 196e65e175bSOded Gabbay 197e65e175bSOded Gabbay #endif /* GAUDI2_PACKETS_H */ 198