/* SPDX-License-Identifier: GPL-2.0 * * Copyright 2020 HabanaLabs, Ltd. * All Rights Reserved. * */ #ifndef GAUDI2_PACKETS_H #define GAUDI2_PACKETS_H #include #define PACKET_HEADER_PACKET_ID_SHIFT 56 #define PACKET_HEADER_PACKET_ID_MASK 0x1F00000000000000ull enum packet_id { PACKET_WREG_32 = 0x1, PACKET_WREG_BULK = 0x2, PACKET_MSG_LONG = 0x3, PACKET_MSG_SHORT = 0x4, PACKET_CP_DMA = 0x5, PACKET_REPEAT = 0x6, PACKET_MSG_PROT = 0x7, PACKET_FENCE = 0x8, PACKET_LIN_DMA = 0x9, PACKET_NOP = 0xA, PACKET_STOP = 0xB, PACKET_ARB_POINT = 0xC, PACKET_WAIT = 0xD, PACKET_CB_LIST = 0xE, PACKET_LOAD_AND_EXE = 0xF, PACKET_WRITE_ARC_STREAM = 0x10, PACKET_LAST_READ_FROM_ARC = 0x11, PACKET_WREG_64_SHORT = 0x12, PACKET_WREG_64_LONG = 0x13, MAX_PACKET_ID = (PACKET_HEADER_PACKET_ID_MASK >> PACKET_HEADER_PACKET_ID_SHIFT) + 1 }; #define GAUDI2_PKT_CTL_OPCODE_SHIFT 24 #define GAUDI2_PKT_CTL_OPCODE_MASK 0x1F000000 #define GAUDI2_PKT_CTL_EB_SHIFT 29 #define GAUDI2_PKT_CTL_EB_MASK 0x20000000 #define GAUDI2_PKT_CTL_RB_SHIFT 30 #define GAUDI2_PKT_CTL_RB_MASK 0x40000000 #define GAUDI2_PKT_CTL_MB_SHIFT 31 #define GAUDI2_PKT_CTL_MB_MASK 0x80000000 /* All packets have, at least, an 8-byte header, which contains * the packet type. The kernel driver uses the packet header for packet * validation and to perform any necessary required preparation before * sending them off to the hardware. */ struct gaudi2_packet { __le64 header; /* The rest of the packet data follows. Use the corresponding * packet_XXX struct to deference the data, based on packet type */ u8 contents[]; }; struct packet_nop { __le32 reserved; __le32 ctl; }; struct packet_stop { __le32 reserved; __le32 ctl; }; struct packet_wreg32 { __le32 value; __le32 ctl; }; struct packet_wreg_bulk { __le32 size64; __le32 ctl; __le64 values[]; /* data starts here */ }; struct packet_msg_long { __le32 value; __le32 ctl; __le64 addr; }; #define GAUDI2_PKT_SHORT_VAL_SOB_SYNC_VAL_SHIFT 0 #define GAUDI2_PKT_SHORT_VAL_SOB_SYNC_VAL_MASK 0x00007FFF #define GAUDI2_PKT_SHORT_VAL_SOB_MOD_SHIFT 31 #define GAUDI2_PKT_SHORT_VAL_SOB_MOD_MASK 0x80000000 #define GAUDI2_PKT_SHORT_VAL_MON_SYNC_GID_SHIFT 0 #define GAUDI2_PKT_SHORT_VAL_MON_SYNC_GID_MASK 0x000000FF #define GAUDI2_PKT_SHORT_VAL_MON_MASK_SHIFT 8 #define GAUDI2_PKT_SHORT_VAL_MON_MASK_MASK 0x0000FF00 #define GAUDI2_PKT_SHORT_VAL_MON_MODE_SHIFT 16 #define GAUDI2_PKT_SHORT_VAL_MON_MODE_MASK 0x00010000 #define GAUDI2_PKT_SHORT_VAL_MON_SYNC_VAL_SHIFT 17 #define GAUDI2_PKT_SHORT_VAL_MON_SYNC_VAL_MASK 0xFFFE0000 #define GAUDI2_PKT_SHORT_CTL_ADDR_SHIFT 0 #define GAUDI2_PKT_SHORT_CTL_ADDR_MASK 0x0000FFFF #define GAUDI2_PKT_SHORT_CTL_BASE_SHIFT 22 #define GAUDI2_PKT_SHORT_CTL_BASE_MASK 0x00C00000 struct packet_msg_short { __le32 value; __le32 ctl; }; struct packet_msg_prot { __le32 value; __le32 ctl; __le64 addr; }; #define GAUDI2_PKT_FENCE_CFG_DEC_VAL_SHIFT 0 #define GAUDI2_PKT_FENCE_CFG_DEC_VAL_MASK 0x0000000F #define GAUDI2_PKT_FENCE_CFG_TARGET_VAL_SHIFT 16 #define GAUDI2_PKT_FENCE_CFG_TARGET_VAL_MASK 0x00FF0000 #define GAUDI2_PKT_FENCE_CFG_ID_SHIFT 30 #define GAUDI2_PKT_FENCE_CFG_ID_MASK 0xC0000000 #define GAUDI2_PKT_FENCE_CTL_PRED_SHIFT 0 #define GAUDI2_PKT_FENCE_CTL_PRED_MASK 0x0000001F struct packet_fence { __le32 cfg; __le32 ctl; }; #define GAUDI2_PKT_LIN_DMA_CTL_WRCOMP_SHIFT 0 #define GAUDI2_PKT_LIN_DMA_CTL_WRCOMP_MASK 0x00000001 #define GAUDI2_PKT_LIN_DMA_CTL_ENDIAN_SHIFT 1 #define GAUDI2_PKT_LIN_DMA_CTL_ENDIAN_MASK 0x00000006 #define GAUDI2_PKT_LIN_DMA_CTL_MEMSET_SHIFT 4 #define GAUDI2_PKT_LIN_DMA_CTL_MEMSET_MASK 0x00000010 #define GAUDI2_PKT_LIN_DMA_CTL_CONTEXT_ID_SHIFT 8 #define GAUDI2_PKT_LIN_DMA_CTL_CONTEXT_ID_MASK 0x00FFFF00 struct packet_lin_dma { __le32 tsize; __le32 ctl; __le64 src_addr; __le64 dst_addr; }; struct packet_arb_point { __le32 cfg; __le32 ctl; }; struct packet_repeat { __le32 cfg; __le32 ctl; }; struct packet_wait { __le32 cfg; __le32 ctl; }; struct packet_cb_list { __le32 reserved; __le32 ctl; __le64 index_addr; __le64 table_addr; }; struct packet_load_and_exe { __le32 cfg; __le32 ctl; __le64 src_addr; }; struct packet_cp_dma { __le32 tsize; __le32 ctl; __le64 src_addr; }; #endif /* GAUDI2_PACKETS_H */