198 lines · c
1/* SPDX-License-Identifier: GPL-2.02 *3 * Copyright 2020 HabanaLabs, Ltd.4 * All Rights Reserved.5 *6 */7 8#ifndef GAUDI2_PACKETS_H9#define GAUDI2_PACKETS_H10 11#include <linux/types.h>12 13#define PACKET_HEADER_PACKET_ID_SHIFT 5614#define PACKET_HEADER_PACKET_ID_MASK 0x1F00000000000000ull15 16enum packet_id {17 PACKET_WREG_32 = 0x1,18 PACKET_WREG_BULK = 0x2,19 PACKET_MSG_LONG = 0x3,20 PACKET_MSG_SHORT = 0x4,21 PACKET_CP_DMA = 0x5,22 PACKET_REPEAT = 0x6,23 PACKET_MSG_PROT = 0x7,24 PACKET_FENCE = 0x8,25 PACKET_LIN_DMA = 0x9,26 PACKET_NOP = 0xA,27 PACKET_STOP = 0xB,28 PACKET_ARB_POINT = 0xC,29 PACKET_WAIT = 0xD,30 PACKET_CB_LIST = 0xE,31 PACKET_LOAD_AND_EXE = 0xF,32 PACKET_WRITE_ARC_STREAM = 0x10,33 PACKET_LAST_READ_FROM_ARC = 0x11,34 PACKET_WREG_64_SHORT = 0x12,35 PACKET_WREG_64_LONG = 0x13,36 MAX_PACKET_ID = (PACKET_HEADER_PACKET_ID_MASK >>37 PACKET_HEADER_PACKET_ID_SHIFT) + 138};39 40#define GAUDI2_PKT_CTL_OPCODE_SHIFT 2441#define GAUDI2_PKT_CTL_OPCODE_MASK 0x1F00000042 43#define GAUDI2_PKT_CTL_EB_SHIFT 2944#define GAUDI2_PKT_CTL_EB_MASK 0x2000000045 46#define GAUDI2_PKT_CTL_RB_SHIFT 3047#define GAUDI2_PKT_CTL_RB_MASK 0x4000000048 49#define GAUDI2_PKT_CTL_MB_SHIFT 3150#define GAUDI2_PKT_CTL_MB_MASK 0x8000000051 52/* All packets have, at least, an 8-byte header, which contains53 * the packet type. The kernel driver uses the packet header for packet54 * validation and to perform any necessary required preparation before55 * sending them off to the hardware.56 */57struct gaudi2_packet {58 __le64 header;59 /* The rest of the packet data follows. Use the corresponding60 * packet_XXX struct to deference the data, based on packet type61 */62 u8 contents[];63};64 65struct packet_nop {66 __le32 reserved;67 __le32 ctl;68};69 70struct packet_stop {71 __le32 reserved;72 __le32 ctl;73};74 75struct packet_wreg32 {76 __le32 value;77 __le32 ctl;78};79 80struct packet_wreg_bulk {81 __le32 size64;82 __le32 ctl;83 __le64 values[]; /* data starts here */84};85 86struct packet_msg_long {87 __le32 value;88 __le32 ctl;89 __le64 addr;90};91 92#define GAUDI2_PKT_SHORT_VAL_SOB_SYNC_VAL_SHIFT 093#define GAUDI2_PKT_SHORT_VAL_SOB_SYNC_VAL_MASK 0x00007FFF94 95#define GAUDI2_PKT_SHORT_VAL_SOB_MOD_SHIFT 3196#define GAUDI2_PKT_SHORT_VAL_SOB_MOD_MASK 0x8000000097 98#define GAUDI2_PKT_SHORT_VAL_MON_SYNC_GID_SHIFT 099#define GAUDI2_PKT_SHORT_VAL_MON_SYNC_GID_MASK 0x000000FF100 101#define GAUDI2_PKT_SHORT_VAL_MON_MASK_SHIFT 8102#define GAUDI2_PKT_SHORT_VAL_MON_MASK_MASK 0x0000FF00103 104#define GAUDI2_PKT_SHORT_VAL_MON_MODE_SHIFT 16105#define GAUDI2_PKT_SHORT_VAL_MON_MODE_MASK 0x00010000106 107#define GAUDI2_PKT_SHORT_VAL_MON_SYNC_VAL_SHIFT 17108#define GAUDI2_PKT_SHORT_VAL_MON_SYNC_VAL_MASK 0xFFFE0000109 110#define GAUDI2_PKT_SHORT_CTL_ADDR_SHIFT 0111#define GAUDI2_PKT_SHORT_CTL_ADDR_MASK 0x0000FFFF112 113#define GAUDI2_PKT_SHORT_CTL_BASE_SHIFT 22114#define GAUDI2_PKT_SHORT_CTL_BASE_MASK 0x00C00000115 116struct packet_msg_short {117 __le32 value;118 __le32 ctl;119};120 121struct packet_msg_prot {122 __le32 value;123 __le32 ctl;124 __le64 addr;125};126 127#define GAUDI2_PKT_FENCE_CFG_DEC_VAL_SHIFT 0128#define GAUDI2_PKT_FENCE_CFG_DEC_VAL_MASK 0x0000000F129 130#define GAUDI2_PKT_FENCE_CFG_TARGET_VAL_SHIFT 16131#define GAUDI2_PKT_FENCE_CFG_TARGET_VAL_MASK 0x00FF0000132 133#define GAUDI2_PKT_FENCE_CFG_ID_SHIFT 30134#define GAUDI2_PKT_FENCE_CFG_ID_MASK 0xC0000000135 136#define GAUDI2_PKT_FENCE_CTL_PRED_SHIFT 0137#define GAUDI2_PKT_FENCE_CTL_PRED_MASK 0x0000001F138 139struct packet_fence {140 __le32 cfg;141 __le32 ctl;142};143 144#define GAUDI2_PKT_LIN_DMA_CTL_WRCOMP_SHIFT 0145#define GAUDI2_PKT_LIN_DMA_CTL_WRCOMP_MASK 0x00000001146 147#define GAUDI2_PKT_LIN_DMA_CTL_ENDIAN_SHIFT 1148#define GAUDI2_PKT_LIN_DMA_CTL_ENDIAN_MASK 0x00000006149 150#define GAUDI2_PKT_LIN_DMA_CTL_MEMSET_SHIFT 4151#define GAUDI2_PKT_LIN_DMA_CTL_MEMSET_MASK 0x00000010152 153#define GAUDI2_PKT_LIN_DMA_CTL_CONTEXT_ID_SHIFT 8154#define GAUDI2_PKT_LIN_DMA_CTL_CONTEXT_ID_MASK 0x00FFFF00155 156struct packet_lin_dma {157 __le32 tsize;158 __le32 ctl;159 __le64 src_addr;160 __le64 dst_addr;161};162 163struct packet_arb_point {164 __le32 cfg;165 __le32 ctl;166};167 168struct packet_repeat {169 __le32 cfg;170 __le32 ctl;171};172 173struct packet_wait {174 __le32 cfg;175 __le32 ctl;176};177 178struct packet_cb_list {179 __le32 reserved;180 __le32 ctl;181 __le64 index_addr;182 __le64 table_addr;183};184 185struct packet_load_and_exe {186 __le32 cfg;187 __le32 ctl;188 __le64 src_addr;189};190 191struct packet_cp_dma {192 __le32 tsize;193 __le32 ctl;194 __le64 src_addr;195};196 197#endif /* GAUDI2_PACKETS_H */198