diff options
Diffstat (limited to 'drivers/gpu/drm/xe/instructions/xe_mi_commands.h')
-rw-r--r-- | drivers/gpu/drm/xe/instructions/xe_mi_commands.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/instructions/xe_mi_commands.h b/drivers/gpu/drm/xe/instructions/xe_mi_commands.h new file mode 100644 index 0000000000..1cfa96167f --- /dev/null +++ b/drivers/gpu/drm/xe/instructions/xe_mi_commands.h @@ -0,0 +1,61 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2023 Intel Corporation + */ + +#ifndef _XE_MI_COMMANDS_H_ +#define _XE_MI_COMMANDS_H_ + +#include "instructions/xe_instr_defs.h" + +/* + * MI (Memory Interface) commands are supported by all GT engines. They + * provide general memory operations and command streamer control. MI commands + * have a command type of 0x0 (MI_COMMAND) in bits 31:29 of the instruction + * header dword and a specific MI opcode in bits 28:23. + */ + +#define MI_OPCODE REG_GENMASK(28, 23) +#define MI_SUBOPCODE REG_GENMASK(22, 17) /* used with MI_EXPANSION */ + +#define __MI_INSTR(opcode) \ + (XE_INSTR_MI | REG_FIELD_PREP(MI_OPCODE, opcode)) + +#define MI_NOOP __MI_INSTR(0x0) +#define MI_USER_INTERRUPT __MI_INSTR(0x2) +#define MI_ARB_CHECK __MI_INSTR(0x5) + +#define MI_ARB_ON_OFF __MI_INSTR(0x8) +#define MI_ARB_ENABLE REG_BIT(0) +#define MI_ARB_DISABLE 0x0 + +#define MI_BATCH_BUFFER_END __MI_INSTR(0xA) +#define MI_TOPOLOGY_FILTER __MI_INSTR(0xD) +#define MI_FORCE_WAKEUP __MI_INSTR(0x1D) + +#define MI_STORE_DATA_IMM __MI_INSTR(0x20) +#define MI_SDI_GGTT REG_BIT(22) +#define MI_SDI_LEN_DW GENMASK(9, 0) +#define MI_SDI_NUM_DW(x) REG_FIELD_PREP(MI_SDI_LEN_DW, (x) + 3 - 2) +#define MI_SDI_NUM_QW(x) (REG_FIELD_PREP(MI_SDI_LEN_DW, 2 * (x) + 3 - 2) | \ + REG_BIT(21)) + +#define MI_LOAD_REGISTER_IMM __MI_INSTR(0x22) +#define MI_LRI_LRM_CS_MMIO REG_BIT(19) +#define MI_LRI_MMIO_REMAP_EN REG_BIT(17) +#define MI_LRI_NUM_REGS(x) XE_INSTR_NUM_DW(2 * (x) + 1) +#define MI_LRI_FORCE_POSTED REG_BIT(12) + +#define MI_FLUSH_DW __MI_INSTR(0x26) +#define MI_FLUSH_DW_STORE_INDEX REG_BIT(21) +#define MI_INVALIDATE_TLB REG_BIT(18) +#define MI_FLUSH_DW_CCS REG_BIT(16) +#define MI_FLUSH_DW_OP_STOREDW REG_BIT(14) +#define MI_FLUSH_DW_LEN_DW REG_GENMASK(5, 0) +#define MI_FLUSH_IMM_DW REG_FIELD_PREP(MI_FLUSH_DW_LEN_DW, 4 - 2) +#define MI_FLUSH_IMM_QW REG_FIELD_PREP(MI_FLUSH_DW_LEN_DW, 5 - 2) +#define MI_FLUSH_DW_USE_GTT REG_BIT(2) + +#define MI_BATCH_BUFFER_START __MI_INSTR(0x31) + +#endif |