195 строки
4.2 KiB
C
195 строки
4.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0
|
|
*
|
|
* Copyright 2017-2020 HabanaLabs, Ltd.
|
|
* All Rights Reserved.
|
|
*
|
|
*/
|
|
|
|
#ifndef GAUDI_PACKETS_H
|
|
#define GAUDI_PACKETS_H
|
|
|
|
#include <linux/types.h>
|
|
|
|
#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_LOAD_AND_EXE = 0xF,
|
|
MAX_PACKET_ID = (PACKET_HEADER_PACKET_ID_MASK >>
|
|
PACKET_HEADER_PACKET_ID_SHIFT) + 1
|
|
};
|
|
|
|
#define GAUDI_PKT_CTL_OPCODE_SHIFT 24
|
|
#define GAUDI_PKT_CTL_OPCODE_MASK 0x1F000000
|
|
|
|
#define GAUDI_PKT_CTL_EB_SHIFT 29
|
|
#define GAUDI_PKT_CTL_EB_MASK 0x20000000
|
|
|
|
#define GAUDI_PKT_CTL_RB_SHIFT 30
|
|
#define GAUDI_PKT_CTL_RB_MASK 0x40000000
|
|
|
|
#define GAUDI_PKT_CTL_MB_SHIFT 31
|
|
#define GAUDI_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 gaudi_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[0];
|
|
};
|
|
|
|
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[0]; /* data starts here */
|
|
};
|
|
|
|
#define GAUDI_PKT_LONG_CTL_OP_SHIFT 20
|
|
#define GAUDI_PKT_LONG_CTL_OP_MASK 0x00300000
|
|
|
|
struct packet_msg_long {
|
|
__le32 value;
|
|
__le32 ctl;
|
|
__le64 addr;
|
|
};
|
|
|
|
#define GAUDI_PKT_SHORT_VAL_SOB_SYNC_VAL_SHIFT 0
|
|
#define GAUDI_PKT_SHORT_VAL_SOB_SYNC_VAL_MASK 0x00007FFF
|
|
|
|
#define GAUDI_PKT_SHORT_VAL_SOB_MOD_SHIFT 31
|
|
#define GAUDI_PKT_SHORT_VAL_SOB_MOD_MASK 0x80000000
|
|
|
|
#define GAUDI_PKT_SHORT_VAL_MON_SYNC_GID_SHIFT 0
|
|
#define GAUDI_PKT_SHORT_VAL_MON_SYNC_GID_MASK 0x000000FF
|
|
|
|
#define GAUDI_PKT_SHORT_VAL_MON_MASK_SHIFT 8
|
|
#define GAUDI_PKT_SHORT_VAL_MON_MASK_MASK 0x0000FF00
|
|
|
|
#define GAUDI_PKT_SHORT_VAL_MON_MODE_SHIFT 16
|
|
#define GAUDI_PKT_SHORT_VAL_MON_MODE_MASK 0x00010000
|
|
|
|
#define GAUDI_PKT_SHORT_VAL_MON_SYNC_VAL_SHIFT 17
|
|
#define GAUDI_PKT_SHORT_VAL_MON_SYNC_VAL_MASK 0xFFFE0000
|
|
|
|
#define GAUDI_PKT_SHORT_CTL_ADDR_SHIFT 0
|
|
#define GAUDI_PKT_SHORT_CTL_ADDR_MASK 0x0000FFFF
|
|
|
|
#define GAUDI_PKT_SHORT_CTL_OP_SHIFT 20
|
|
#define GAUDI_PKT_SHORT_CTL_OP_MASK 0x00300000
|
|
|
|
#define GAUDI_PKT_SHORT_CTL_BASE_SHIFT 22
|
|
#define GAUDI_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 GAUDI_PKT_FENCE_CFG_DEC_VAL_SHIFT 0
|
|
#define GAUDI_PKT_FENCE_CFG_DEC_VAL_MASK 0x0000000F
|
|
|
|
#define GAUDI_PKT_FENCE_CFG_TARGET_VAL_SHIFT 16
|
|
#define GAUDI_PKT_FENCE_CFG_TARGET_VAL_MASK 0x00FF0000
|
|
|
|
#define GAUDI_PKT_FENCE_CFG_ID_SHIFT 30
|
|
#define GAUDI_PKT_FENCE_CFG_ID_MASK 0xC0000000
|
|
|
|
#define GAUDI_PKT_FENCE_CTL_PRED_SHIFT 0
|
|
#define GAUDI_PKT_FENCE_CTL_PRED_MASK 0x0000001F
|
|
|
|
struct packet_fence {
|
|
__le32 cfg;
|
|
__le32 ctl;
|
|
};
|
|
|
|
#define GAUDI_PKT_LIN_DMA_CTL_WRCOMP_EN_SHIFT 0
|
|
#define GAUDI_PKT_LIN_DMA_CTL_WRCOMP_EN_MASK 0x00000001
|
|
|
|
#define GAUDI_PKT_LIN_DMA_CTL_LIN_SHIFT 3
|
|
#define GAUDI_PKT_LIN_DMA_CTL_LIN_MASK 0x00000008
|
|
|
|
#define GAUDI_PKT_LIN_DMA_CTL_MEMSET_SHIFT 4
|
|
#define GAUDI_PKT_LIN_DMA_CTL_MEMSET_MASK 0x00000010
|
|
|
|
#define GAUDI_PKT_LIN_DMA_DST_ADDR_SHIFT 0
|
|
#define GAUDI_PKT_LIN_DMA_DST_ADDR_MASK 0x00FFFFFFFFFFFFFFull
|
|
|
|
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;
|
|
};
|
|
|
|
#define GAUDI_PKT_LOAD_AND_EXE_CFG_DST_SHIFT 0
|
|
#define GAUDI_PKT_LOAD_AND_EXE_CFG_DST_MASK 0x00000001
|
|
|
|
struct packet_load_and_exe {
|
|
__le32 cfg;
|
|
__le32 ctl;
|
|
__le64 src_addr;
|
|
};
|
|
|
|
struct packet_cp_dma {
|
|
__le32 tsize;
|
|
__le32 ctl;
|
|
__le64 src_addr;
|
|
};
|
|
|
|
#endif /* GAUDI_PACKETS_H */
|