/* SPDX-License-Identifier: MIT*/ /* * Copyright © 2003-2018 Intel Corporation */ #ifndef _INTEL_GPU_COMMANDS_H_ #define _INTEL_GPU_COMMANDS_H_ #include /* * Target address alignments required for GPU access e.g. * MI_STORE_DWORD_IMM. */ #define alignof_dword 4 #define alignof_qword 8 /* * Instruction field definitions used by the command parser */ #define INSTR_CLIENT_SHIFT 29 #define INSTR_MI_CLIENT 0x0 #define INSTR_BC_CLIENT 0x2 #define INSTR_RC_CLIENT 0x3 #define INSTR_SUBCLIENT_SHIFT 27 #define INSTR_SUBCLIENT_MASK 0x18000000 #define INSTR_MEDIA_SUBCLIENT 0x2 #define INSTR_26_TO_24_MASK 0x7000000 #define INSTR_26_TO_24_SHIFT 24 /* * Memory interface instructions used by the kernel */ #define MI_INSTR(opcode, flags) (((opcode) << 23) | (flags)) /* Many MI commands use bit 22 of the header dword for GGTT vs PPGTT */ #define MI_GLOBAL_GTT (1<<22) #define MI_NOOP MI_INSTR(0, 0) #define MI_USER_INTERRUPT MI_INSTR(0x02, 0) #define MI_WAIT_FOR_EVENT MI_INSTR(0x03, 0) #define MI_WAIT_FOR_OVERLAY_FLIP (1<<16) #define MI_WAIT_FOR_PLANE_B_FLIP (1<<6) #define MI_WAIT_FOR_PLANE_A_FLIP (1<<2) #define MI_WAIT_FOR_PLANE_A_SCANLINES (1<<1) #define MI_FLUSH MI_INSTR(0x04, 0) #define MI_READ_FLUSH (1 << 0) #define MI_EXE_FLUSH (1 << 1) #define MI_NO_WRITE_FLUSH (1 << 2) #define MI_SCENE_COUNT (1 << 3) /* just increment scene count */ #define MI_END_SCENE (1 << 4) /* flush binner and incr scene count */ #define MI_INVALIDATE_ISP (1 << 5) /* invalidate indirect state pointers */ #define MI_REPORT_HEAD MI_INSTR(0x07, 0) #define MI_ARB_ON_OFF MI_INSTR(0x08, 0) #define MI_ARB_ENABLE (1<<0) #define MI_ARB_DISABLE (0<<0) #define MI_BATCH_BUFFER_END MI_INSTR(0x0a, 0) #define MI_SUSPEND_FLUSH MI_INSTR(0x0b, 0) #define MI_SUSPEND_FLUSH_EN (1<<0) #define MI_SET_APPID MI_INSTR(0x0e, 0) #define MI_OVERLAY_FLIP MI_INSTR(0x11, 0) #define MI_OVERLAY_CONTINUE (0x0<<21) #define MI_OVERLAY_ON (0x1<<21) #define MI_OVERLAY_OFF (0x2<<21) #define MI_LOAD_SCAN_LINES_INCL MI_INSTR(0x12, 0) #define MI_DISPLAY_FLIP MI_INSTR(0x14, 2) #define MI_DISPLAY_FLIP_I915 MI_INSTR(0x14, 1) #define MI_DISPLAY_FLIP_PLANE(n) ((n) << 20) /* IVB has funny definitions for which plane to flip. */ #define MI_DISPLAY_FLIP_IVB_PLANE_A (0 << 19) #define MI_DISPLAY_FLIP_IVB_PLANE_B (1 << 19) #define MI_DISPLAY_FLIP_IVB_SPRITE_A (2 << 19) #define MI_DISPLAY_FLIP_IVB_SPRITE_B (3 << 19) #define MI_DISPLAY_FLIP_IVB_PLANE_C (4 << 19) #define MI_DISPLAY_FLIP_IVB_SPRITE_C (5 << 19) /* SKL ones */ #define MI_DISPLAY_FLIP_SKL_PLANE_1_A (0 << 8) #define MI_DISPLAY_FLIP_SKL_PLANE_1_B (1 << 8) #define MI_DISPLAY_FLIP_SKL_PLANE_1_C (2 << 8) #define MI_DISPLAY_FLIP_SKL_PLANE_2_A (4 << 8) #define MI_DISPLAY_FLIP_SKL_PLANE_2_B (5 << 8) #define MI_DISPLAY_FLIP_SKL_PLANE_2_C (6 << 8) #define MI_DISPLAY_FLIP_SKL_PLANE_3_A (7 << 8) #define MI_DISPLAY_FLIP_SKL_PLANE_3_B (8 << 8) #define MI_DISPLAY_FLIP_SKL_PLANE_3_C (9 << 8) #define MI_SEMAPHORE_MBOX MI_INSTR(0x16, 1) /* gen6, gen7 */ #define MI_SEMAPHORE_GLOBAL_GTT (1<<22) #define MI_SEMAPHORE_UPDATE (1<<21) #define MI_SEMAPHORE_COMPARE (1<<20) #define MI_SEMAPHORE_REGISTER (1<<18) #define MI_SEMAPHORE_SYNC_VR (0<<16) /* RCS wait for VCS (RVSYNC) */ #define MI_SEMAPHORE_SYNC_VER (1<<16) /* RCS wait for VECS (RVESYNC) */ #define MI_SEMAPHORE_SYNC_BR (2<<16) /* RCS wait for BCS (RBSYNC) */ #define MI_SEMAPHORE_SYNC_BV (0<<16) /* VCS wait for BCS (VBSYNC) */ #define MI_SEMAPHORE_SYNC_VEV (1<<16) /* VCS wait for VECS (VVESYNC) */ #define MI_SEMAPHORE_SYNC_RV (2<<16) /* VCS wait for RCS (VRSYNC) */ #define MI_SEMAPHORE_SYNC_RB (0<<16) /* BCS wait for RCS (BRSYNC) */ #define MI_SEMAPHORE_SYNC_VEB (1<<16) /* BCS wait for VECS (BVESYNC) */ #define MI_SEMAPHORE_SYNC_VB (2<<16) /* BCS wait for VCS (BVSYNC) */ #define MI_SEMAPHORE_SYNC_BVE (0<<16) /* VECS wait for BCS (VEBSYNC) */ #define MI_SEMAPHORE_SYNC_VVE (1<<16) /* VECS wait for VCS (VEVSYNC) */ #define MI_SEMAPHORE_SYNC_RVE (2<<16) /* VECS wait for RCS (VERSYNC) */ #define MI_SEMAPHORE_SYNC_INVALID (3<<16) #define MI_SEMAPHORE_SYNC_MASK (3<<16) #define MI_SET_CONTEXT MI_INSTR(0x18, 0) #define MI_MM_SPACE_GTT (1<<8) #define MI_MM_SPACE_PHYSICAL (0<<8) #define MI_SAVE_EXT_STATE_EN (1<<3) #define MI_RESTORE_EXT_STATE_EN (1<<2) #define MI_FORCE_RESTORE (1<<1) #define MI_RESTORE_INHIBIT (1<<0) #define HSW_MI_RS_SAVE_STATE_EN (1<<3) #define HSW_MI_RS_RESTORE_STATE_EN (1<<2) #define MI_SEMAPHORE_SIGNAL MI_INSTR(0x1b, 0) /* GEN8+ */ #define MI_SEMAPHORE_TARGET(engine) ((engine)<<15) #define MI_SEMAPHORE_WAIT MI_INSTR(0x1c, 2) /* GEN8+ */ #define MI_SEMAPHORE_WAIT_TOKEN MI_INSTR(0x1c, 3) /* GEN12+ */ #define MI_SEMAPHORE_POLL (1 << 15) #define MI_SEMAPHORE_SAD_GT_SDD (0 << 12) #define MI_SEMAPHORE_SAD_GTE_SDD (1 << 12) #define MI_SEMAPHORE_SAD_LT_SDD (2 << 12) #define MI_SEMAPHORE_SAD_LTE_SDD (3 << 12) #define MI_SEMAPHORE_SAD_EQ_SDD (4 << 12) #define MI_SEMAPHORE_SAD_NEQ_SDD (5 << 12) #define MI_SEMAPHORE_TOKEN_MASK REG_GENMASK(9, 5) #define MI_SEMAPHORE_TOKEN_SHIFT 5 #define MI_STORE_DATA_IMM MI_INSTR(0x20, 0) #define MI_STORE_DWORD_IMM MI_INSTR(0x20, 1) #define MI_STORE_DWORD_IMM_GEN4 MI_INSTR(0x20, 2) #define MI_STORE_QWORD_IMM_GEN8 (MI_INSTR(0x20, 3) | REG_BIT(21)) #define MI_MEM_VIRTUAL (1 << 22) /* 945,g33,965 */ #define MI_USE_GGTT (1 << 22) /* g4x+ */ #define MI_STORE_DWORD_INDEX MI_INSTR(0x21, 1) /* * Official intel docs are somewhat sloppy concerning MI_LOAD_REGISTER_IMM: * - Always issue a MI_NOOP _before_ the MI_LOAD_REGISTER_IMM - otherwise hw * simply ignores the register load under certain conditions. * - One can actually load arbitrary many arbitrary registers: Simply issue x * address/value pairs. Don't overdue it, though, x <= 2^4 must hold! */ #define MI_LOAD_REGISTER_IMM(x) MI_INSTR(0x22, 2*(x)-1) /* Gen11+. addr = base + (ctx_restore ? offset & GENMASK(12,2) : offset) */ #define MI_LRI_LRM_CS_MMIO REG_BIT(19) #define MI_LRI_FORCE_POSTED (1<<12) #define MI_LOAD_REGISTER_IMM_MAX_REGS (126) #define MI_STORE_REGISTER_MEM MI_INSTR(0x24, 1) #define MI_STORE_REGISTER_MEM_GEN8 MI_INSTR(0x24, 2) #define MI_SRM_LRM_GLOBAL_GTT (1<<22) #define MI_FLUSH_DW MI_INSTR(0x26, 1) /* for GEN6 */ #define MI_FLUSH_DW_STORE_INDEX (1<<21) #define MI_INVALIDATE_TLB (1<<18) #define MI_FLUSH_DW_OP_STOREDW (1<<14) #define MI_FLUSH_DW_OP_MASK (3<<14) #define MI_FLUSH_DW_NOTIFY (1<<8) #define MI_INVALIDATE_BSD (1<<7) #define MI_FLUSH_DW_USE_GTT (1<<2) #define MI_FLUSH_DW_USE_PPGTT (0<<2) #define MI_LOAD_REGISTER_MEM MI_INSTR(0x29, 1) #define MI_LOAD_REGISTER_MEM_GEN8 MI_INSTR(0x29, 2) #define MI_LOAD_REGISTER_REG MI_INSTR(0x2A, 1) #define MI_LRR_SOURCE_CS_MMIO REG_BIT(18) #define MI_BATCH_BUFFER MI_INSTR(0x30, 1) #define MI_BATCH_NON_SECURE (1) /* for snb/ivb/vlv this also means "batch in ppgtt" when ppgtt is enabled. */ #define MI_BATCH_NON_SECURE_I965 (1<<8) #define MI_BATCH_PPGTT_HSW (1<<8) #define MI_BATCH_NON_SECURE_HSW (1<<13) #define MI_BATCH_BUFFER_START MI_INSTR(0x31, 0) #define MI_BATCH_GTT (2<<6) /* aliased with (1<<7) on gen4 */ #define MI_BATCH_BUFFER_START_GEN8 MI_INSTR(0x31, 1) #define MI_BATCH_RESOURCE_STREAMER REG_BIT(10) #define MI_BATCH_PREDICATE REG_BIT(15) /* HSW+ on RCS only*/ /* * 3D instructions used by the kernel */ #define GFX_INSTR(opcode, flags) ((0x3 << 29) | ((opcode) << 24) | (flags)) #define GEN9_MEDIA_POOL_STATE ((0x3 << 29) | (0x2 << 27) | (0x5 << 16) | 4) #define GEN9_MEDIA_POOL_ENABLE (1 << 31) #define GFX_OP_RASTER_RULES ((0x3<<29)|(0x7<<24)) #define GFX_OP_SCISSOR ((0x3<<29)|(0x1c<<24)|(0x10<<19)) #define SC_UPDATE_SCISSOR (0x1<<1) #define SC_ENABLE_MASK (0x1<<0) #define SC_ENABLE (0x1<<0) #define GFX_OP_LOAD_INDIRECT ((0x3<<29)|(0x1d<<24)|(0x7<<16)) #define GFX_OP_SCISSOR_INFO ((0x3<<29)|(0x1d<<24)|(0x81<<16)|(0x1)) #define SCI_YMIN_MASK (0xffff<<16) #define SCI_XMIN_MASK (0xffff<<0) #define SCI_YMAX_MASK (0xffff<<16) #define SCI_XMAX_MASK (0xffff<<0) #define GFX_OP_SCISSOR_ENABLE ((0x3<<29)|(0x1c<<24)|(0x10<<19)) #define GFX_OP_SCISSOR_RECT ((0x3<<29)|(0x1d<<24)|(0x81<<16)|1) #define GFX_OP_COLOR_FACTOR ((0x3<<29)|(0x1d<<24)|(0x1<<16)|0x0) #define GFX_OP_STIPPLE ((0x3<<29)|(0x1d<<24)|(0x83<<16)) #define GFX_OP_MAP_INFO ((0x3<<29)|(0x1d<<24)|0x4) #define GFX_OP_DESTBUFFER_VARS ((0x3<<29)|(0x1d<<24)|(0x85<<16)|0x0) #define GFX_OP_DESTBUFFER_INFO ((0x3<<29)|(0x1d<<24)|(0x8e<<16)|1) #define GFX_OP_DRAWRECT_INFO ((0x3<<29)|(0x1d<<24)|(0x80<<16)|(0x3)) #define GFX_OP_DRAWRECT_INFO_I965 ((0x7900<<16)|0x2) #define COLOR_BLT_CMD (2 << 29 | 0x40 << 22 | (5 - 2)) #define XY_COLOR_BLT_CMD (2 << 29 | 0x50 << 22) #define SRC_COPY_BLT_CMD (2 << 29 | 0x43 << 22) #define GEN9_XY_FAST_COPY_BLT_CMD (2 << 29 | 0x42 << 22) #define XY_SRC_COPY_BLT_CMD (2 << 29 | 0x53 << 22) #define XY_MONO_SRC_COPY_IMM_BLT (2 << 29 | 0x71 << 22 | 5) #define BLT_WRITE_A (2<<20) #define BLT_WRITE_RGB (1<<20) #define BLT_WRITE_RGBA (BLT_WRITE_RGB | BLT_WRITE_A) #define BLT_DEPTH_8 (0<<24) #define BLT_DEPTH_16_565 (1<<24) #define BLT_DEPTH_16_1555 (2<<24) #define BLT_DEPTH_32 (3<<24) #define BLT_ROP_SRC_COPY (0xcc<<16) #define BLT_ROP_COLOR_COPY (0xf0<<16) #define XY_SRC_COPY_BLT_SRC_TILED (1<<15) /* 965+ only */ #define XY_SRC_COPY_BLT_DST_TILED (1<<11) /* 965+ only */ #define CMD_OP_DISPLAYBUFFER_INFO ((0x0<<29)|(0x14<<23)|2) #define ASYNC_FLIP (1<<22) #define DISPLAY_PLANE_A (0<<20) #define DISPLAY_PLANE_B (1<<20) #define GFX_OP_PIPE_CONTROL(len) ((0x3<<29)|(0x3<<27)|(0x2<<24)|((len)-2)) #define PIPE_CONTROL_COMMAND_CACHE_INVALIDATE (1<<29) /* gen11+ */ #define PIPE_CONTROL_TILE_CACHE_FLUSH (1<<28) /* gen11+ */ #define PIPE_CONTROL_FLUSH_L3 (1<<27) #define PIPE_CONTROL_GLOBAL_GTT_IVB (1<<24) /* gen7+ */ #define PIPE_CONTROL_MMIO_WRITE (1<<23) #define PIPE_CONTROL_STORE_DATA_INDEX (1<<21) #define PIPE_CONTROL_CS_STALL (1<<20) #define PIPE_CONTROL_TLB_INVALIDATE (1<<18) #define PIPE_CONTROL_MEDIA_STATE_CLEAR (1<<16) #define PIPE_CONTROL_WRITE_TIMESTAMP (3<<14) #define PIPE_CONTROL_QW_WRITE (1<<14) #define PIPE_CONTROL_POST_SYNC_OP_MASK (3<<14) #define PIPE_CONTROL_DEPTH_STALL (1<<13) #define PIPE_CONTROL_WRITE_FLUSH (1<<12) #define PIPE_CONTROL_RENDER_TARGET_CACHE_FLUSH (1<<12) /* gen6+ */ #define PIPE_CONTROL_INSTRUCTION_CACHE_INVALIDATE (1<<11) /* MBZ on ILK */ #define PIPE_CONTROL_TEXTURE_CACHE_INVALIDATE (1<<10) /* GM45+ only */ #define PIPE_CONTROL_INDIRECT_STATE_DISABLE (1<<9) #define PIPE_CONTROL0_HDC_PIPELINE_FLUSH REG_BIT(9) /* gen12 */ #define PIPE_CONTROL_NOTIFY (1<<8) #define PIPE_CONTROL_FLUSH_ENABLE (1<<7) /* gen7+ */ #define PIPE_CONTROL_DC_FLUSH_ENABLE (1<<5) #define PIPE_CONTROL_VF_CACHE_INVALIDATE (1<<4) #define PIPE_CONTROL_CONST_CACHE_INVALIDATE (1<<3) #define PIPE_CONTROL_STATE_CACHE_INVALIDATE (1<<2) #define PIPE_CONTROL_STALL_AT_SCOREBOARD (1<<1) #define PIPE_CONTROL_DEPTH_CACHE_FLUSH (1<<0) #define PIPE_CONTROL_GLOBAL_GTT (1<<2) /* in addr dword */ #define MI_MATH(x) MI_INSTR(0x1a, (x) - 1) #define MI_MATH_INSTR(opcode, op1, op2) ((opcode) << 20 | (op1) << 10 | (op2)) /* Opcodes for MI_MATH_INSTR */ #define MI_MATH_NOOP MI_MATH_INSTR(0x000, 0x0, 0x0) #define MI_MATH_LOAD(op1, op2) MI_MATH_INSTR(0x080, op1, op2) #define MI_MATH_LOADINV(op1, op2) MI_MATH_INSTR(0x480, op1, op2) #define MI_MATH_LOAD0(op1) MI_MATH_INSTR(0x081, op1) #define MI_MATH_LOAD1(op1) MI_MATH_INSTR(0x481, op1) #define MI_MATH_ADD MI_MATH_INSTR(0x100, 0x0, 0x0) #define MI_MATH_SUB MI_MATH_INSTR(0x101, 0x0, 0x0) #define MI_MATH_AND MI_MATH_INSTR(0x102, 0x0, 0x0) #define MI_MATH_OR MI_MATH_INSTR(0x103, 0x0, 0x0) #define MI_MATH_XOR MI_MATH_INSTR(0x104, 0x0, 0x0) #define MI_MATH_STORE(op1, op2) MI_MATH_INSTR(0x180, op1, op2) #define MI_MATH_STOREINV(op1, op2) MI_MATH_INSTR(0x580, op1, op2) /* Registers used as operands in MI_MATH_INSTR */ #define MI_MATH_REG(x) (x) #define MI_MATH_REG_SRCA 0x20 #define MI_MATH_REG_SRCB 0x21 #define MI_MATH_REG_ACCU 0x31 #define MI_MATH_REG_ZF 0x32 #define MI_MATH_REG_CF 0x33 /* * Commands used only by the command parser */ #define MI_SET_PREDICATE MI_INSTR(0x01, 0) #define MI_ARB_CHECK MI_INSTR(0x05, 0) #define MI_RS_CONTROL MI_INSTR(0x06, 0) #define MI_URB_ATOMIC_ALLOC MI_INSTR(0x09, 0) #define MI_PREDICATE MI_INSTR(0x0C, 0) #define MI_RS_CONTEXT MI_INSTR(0x0F, 0) #define MI_TOPOLOGY_FILTER MI_INSTR(0x0D, 0) #define MI_LOAD_SCAN_LINES_EXCL MI_INSTR(0x13, 0) #define MI_URB_CLEAR MI_INSTR(0x19, 0) #define MI_UPDATE_GTT MI_INSTR(0x23, 0) #define MI_CLFLUSH MI_INSTR(0x27, 0) #define MI_REPORT_PERF_COUNT MI_INSTR(0x28, 0) #define MI_REPORT_PERF_COUNT_GGTT (1<<0) #define MI_RS_STORE_DATA_IMM MI_INSTR(0x2B, 0) #define MI_LOAD_URB_MEM MI_INSTR(0x2C, 0) #define MI_STORE_URB_MEM MI_INSTR(0x2D, 0) #define MI_CONDITIONAL_BATCH_BUFFER_END MI_INSTR(0x36, 0) #define STATE_BASE_ADDRESS \ ((0x3 << 29) | (0x0 << 27) | (0x1 << 24) | (0x1 << 16)) #define BASE_ADDRESS_MODIFY REG_BIT(0) #define PIPELINE_SELECT \ ((0x3 << 29) | (0x1 << 27) | (0x1 << 24) | (0x4 << 16)) #define PIPELINE_SELECT_MEDIA REG_BIT(0) #define GFX_OP_3DSTATE_VF_STATISTICS \ ((0x3 << 29) | (0x1 << 27) | (0x0 << 24) | (0xB << 16)) #define MEDIA_VFE_STATE \ ((0x3 << 29) | (0x2 << 27) | (0x0 << 24) | (0x0 << 16)) #define MEDIA_VFE_STATE_MMIO_ACCESS_MASK (0x18) #define MEDIA_INTERFACE_DESCRIPTOR_LOAD \ ((0x3 << 29) | (0x2 << 27) | (0x0 << 24) | (0x2 << 16)) #define MEDIA_OBJECT \ ((0x3 << 29) | (0x2 << 27) | (0x1 << 24) | (0x0 << 16)) #define GPGPU_OBJECT ((0x3<<29)|(0x2<<27)|(0x1<<24)|(0x4<<16)) #define GPGPU_WALKER ((0x3<<29)|(0x2<<27)|(0x1<<24)|(0x5<<16)) #define GFX_OP_3DSTATE_DX9_CONSTANTF_VS \ ((0x3<<29)|(0x3<<27)|(0x0<<24)|(0x39<<16)) #define GFX_OP_3DSTATE_DX9_CONSTANTF_PS \ ((0x3<<29)|(0x3<<27)|(0x0<<24)|(0x3A<<16)) #define GFX_OP_3DSTATE_SO_DECL_LIST \ ((0x3<<29)|(0x3<<27)|(0x1<<24)|(0x17<<16)) #define GFX_OP_3DSTATE_BINDING_TABLE_EDIT_VS \ ((0x3<<29)|(0x3<<27)|(0x0<<24)|(0x43<<16)) #define GFX_OP_3DSTATE_BINDING_TABLE_EDIT_GS \ ((0x3<<29)|(0x3<<27)|(0x0<<24)|(0x44<<16)) #define GFX_OP_3DSTATE_BINDING_TABLE_EDIT_HS \ ((0x3<<29)|(0x3<<27)|(0x0<<24)|(0x45<<16)) #define GFX_OP_3DSTATE_BINDING_TABLE_EDIT_DS \ ((0x3<<29)|(0x3<<27)|(0x0<<24)|(0x46<<16)) #define GFX_OP_3DSTATE_BINDING_TABLE_EDIT_PS \ ((0x3<<29)|(0x3<<27)|(0x0<<24)|(0x47<<16)) #define MFX_WAIT ((0x3<<29)|(0x1<<27)|(0x0<<16)) #define COLOR_BLT ((0x2<<29)|(0x40<<22)) #define SRC_COPY_BLT ((0x2<<29)|(0x43<<22)) /* * Used to convert any address to canonical form. * Starting from gen8, some commands (e.g. STATE_BASE_ADDRESS, * MI_LOAD_REGISTER_MEM and others, see Broadwell PRM Vol2a) require the * addresses to be in a canonical form: * "GraphicsAddress[63:48] are ignored by the HW and assumed to be in correct * canonical form [63:48] == [47]." */ #define GEN8_HIGH_ADDRESS_BIT 47 static inline u64 gen8_canonical_addr(u64 address) { return sign_extend64(address, GEN8_HIGH_ADDRESS_BIT); } static inline u64 gen8_noncanonical_addr(u64 address) { return address & GENMASK_ULL(GEN8_HIGH_ADDRESS_BIT, 0); } static inline u32 *__gen6_emit_bb_start(u32 *cs, u32 addr, unsigned int flags) { *cs++ = MI_BATCH_BUFFER_START | flags; *cs++ = addr; return cs; } #endif /* _INTEL_GPU_COMMANDS_H_ */