1 /* SPDX-License-Identifier: MIT */ 2 /* 3 * Copyright © 2023 Intel Corporation 4 */ 5 6 #ifndef _XE_MI_COMMANDS_H_ 7 #define _XE_MI_COMMANDS_H_ 8 9 #include "instructions/xe_instr_defs.h" 10 11 /* 12 * MI (Memory Interface) commands are supported by all GT engines. They 13 * provide general memory operations and command streamer control. MI commands 14 * have a command type of 0x0 (MI_COMMAND) in bits 31:29 of the instruction 15 * header dword and a specific MI opcode in bits 28:23. 16 */ 17 18 #define MI_OPCODE REG_GENMASK(28, 23) 19 #define MI_SUBOPCODE REG_GENMASK(22, 17) /* used with MI_EXPANSION */ 20 21 #define __MI_INSTR(opcode) \ 22 (XE_INSTR_MI | REG_FIELD_PREP(MI_OPCODE, opcode)) 23 24 #define MI_NOOP __MI_INSTR(0x0) 25 #define MI_USER_INTERRUPT __MI_INSTR(0x2) 26 #define MI_ARB_CHECK __MI_INSTR(0x5) 27 28 #define MI_ARB_ON_OFF __MI_INSTR(0x8) 29 #define MI_ARB_ENABLE REG_BIT(0) 30 #define MI_ARB_DISABLE 0x0 31 32 #define MI_BATCH_BUFFER_END __MI_INSTR(0xA) 33 #define MI_TOPOLOGY_FILTER __MI_INSTR(0xD) 34 #define MI_FORCE_WAKEUP __MI_INSTR(0x1D) 35 36 #define MI_STORE_DATA_IMM __MI_INSTR(0x20) 37 #define MI_SDI_GGTT REG_BIT(22) 38 #define MI_SDI_LEN_DW GENMASK(9, 0) 39 #define MI_SDI_NUM_DW(x) REG_FIELD_PREP(MI_SDI_LEN_DW, (x) + 3 - 2) 40 #define MI_SDI_NUM_QW(x) (REG_FIELD_PREP(MI_SDI_LEN_DW, 2 * (x) + 3 - 2) | \ 41 REG_BIT(21)) 42 43 #define MI_LOAD_REGISTER_IMM __MI_INSTR(0x22) 44 #define MI_LRI_LRM_CS_MMIO REG_BIT(19) 45 #define MI_LRI_MMIO_REMAP_EN REG_BIT(17) 46 #define MI_LRI_NUM_REGS(x) XE_INSTR_NUM_DW(2 * (x) + 1) 47 #define MI_LRI_FORCE_POSTED REG_BIT(12) 48 #define MI_LRI_LEN(x) (((x) & 0xff) + 1) 49 50 #define MI_FLUSH_DW __MI_INSTR(0x26) 51 #define MI_FLUSH_DW_STORE_INDEX REG_BIT(21) 52 #define MI_INVALIDATE_TLB REG_BIT(18) 53 #define MI_FLUSH_DW_CCS REG_BIT(16) 54 #define MI_FLUSH_DW_OP_STOREDW REG_BIT(14) 55 #define MI_FLUSH_DW_LEN_DW REG_GENMASK(5, 0) 56 #define MI_FLUSH_IMM_DW REG_FIELD_PREP(MI_FLUSH_DW_LEN_DW, 4 - 2) 57 #define MI_FLUSH_IMM_QW REG_FIELD_PREP(MI_FLUSH_DW_LEN_DW, 5 - 2) 58 #define MI_FLUSH_DW_USE_GTT REG_BIT(2) 59 60 #define MI_LOAD_REGISTER_MEM (__MI_INSTR(0x29) | XE_INSTR_NUM_DW(4)) 61 #define MI_LRM_USE_GGTT REG_BIT(22) 62 63 #define MI_COPY_MEM_MEM (__MI_INSTR(0x2e) | XE_INSTR_NUM_DW(5)) 64 #define MI_COPY_MEM_MEM_SRC_GGTT REG_BIT(22) 65 #define MI_COPY_MEM_MEM_DST_GGTT REG_BIT(21) 66 67 #define MI_BATCH_BUFFER_START __MI_INSTR(0x31) 68 69 #endif 70