| /* |
| * Copyright © 2016 Red Hat. |
| * Copyright © 2016 Bas Nieuwenhuizen |
| * |
| * SPDX-License-Identifier: MIT |
| */ |
| |
| #ifndef RADV_CS_H |
| #define RADV_CS_H |
| |
| #include <assert.h> |
| #include <stdint.h> |
| #include <string.h> |
| |
| #include "radv_cmd_buffer.h" |
| #include "radv_radeon_winsys.h" |
| #include "radv_sdma.h" |
| #include "sid.h" |
| |
| static inline unsigned |
| radeon_check_space(struct radeon_winsys *ws, struct radeon_cmdbuf *cs, unsigned needed) |
| { |
| assert(cs->cdw <= cs->reserved_dw); |
| if (cs->max_dw - cs->cdw < needed) |
| ws->cs_grow(cs, needed); |
| cs->reserved_dw = MAX2(cs->reserved_dw, cs->cdw + needed); |
| return cs->cdw + needed; |
| } |
| |
| #define radeon_begin(cs) \ |
| struct radeon_cmdbuf *__cs = (cs); \ |
| uint32_t __cs_num = __cs->cdw; \ |
| UNUSED uint32_t __cs_reserved_dw = __cs->reserved_dw; \ |
| uint32_t *__cs_buf = __cs->buf |
| |
| #define radeon_end() \ |
| do { \ |
| __cs->cdw = __cs_num; \ |
| assert(__cs->cdw <= __cs->max_dw); \ |
| __cs = NULL; \ |
| } while (0) |
| |
| #define radeon_emit(value) \ |
| do { \ |
| assert(__cs_num < __cs_reserved_dw); \ |
| __cs_buf[__cs_num++] = (value); \ |
| } while (0) |
| |
| #define radeon_emit_array(values, num) \ |
| do { \ |
| unsigned __n = (num); \ |
| assert(__cs_num + __n <= __cs_reserved_dw); \ |
| memcpy(__cs_buf + __cs_num, (values), __n * 4); \ |
| __cs_num += __n; \ |
| } while (0) |
| |
| /* Packet building helpers. Don't use directly. */ |
| #define __radeon_set_reg_seq(reg, num, idx, prefix_name, packet, reset_filter_cam) \ |
| do { \ |
| assert((reg) >= prefix_name##_REG_OFFSET && (reg) < prefix_name##_REG_END); \ |
| radeon_emit(PKT3(packet, num, 0) | PKT3_RESET_FILTER_CAM_S(reset_filter_cam)); \ |
| radeon_emit((((reg) - prefix_name##_REG_OFFSET) >> 2) | ((idx) << 28)); \ |
| } while (0) |
| |
| #define __radeon_set_reg(reg, idx, value, prefix_name, packet) \ |
| do { \ |
| __radeon_set_reg_seq(reg, 1, idx, prefix_name, packet, 0); \ |
| radeon_emit(value); \ |
| } while (0) |
| |
| /* Packet building helpers for CONFIG registers. */ |
| #define radeon_set_config_reg_seq(reg, num) __radeon_set_reg_seq(reg, num, 0, SI_CONFIG, PKT3_SET_CONFIG_REG, 0) |
| |
| #define radeon_set_config_reg(reg, value) __radeon_set_reg(reg, 0, value, SI_CONFIG, PKT3_SET_CONFIG_REG) |
| |
| /* Packet building helpers for CONTEXT registers. */ |
| #define radeon_set_context_reg_seq(reg, num) __radeon_set_reg_seq(reg, num, 0, SI_CONTEXT, PKT3_SET_CONTEXT_REG, 0) |
| |
| #define radeon_set_context_reg(reg, value) __radeon_set_reg(reg, 0, value, SI_CONTEXT, PKT3_SET_CONTEXT_REG) |
| |
| #define radeon_set_context_reg_idx(reg, idx, value) __radeon_set_reg(reg, idx, value, SI_CONTEXT, PKT3_SET_CONTEXT_REG) |
| |
| #define radeon_opt_set_context_reg(cmdbuf, reg, reg_enum, value) \ |
| do { \ |
| struct radv_cmd_buffer *__cmdbuf = (cmdbuf); \ |
| struct radv_tracked_regs *__tracked_regs = &__cmdbuf->tracked_regs; \ |
| const uint32_t __value = (value); \ |
| if (!BITSET_TEST(__tracked_regs->reg_saved_mask, (reg_enum)) || \ |
| __tracked_regs->reg_value[(reg_enum)] != __value) { \ |
| radeon_set_context_reg(reg, __value); \ |
| BITSET_SET(__tracked_regs->reg_saved_mask, (reg_enum)); \ |
| __tracked_regs->reg_value[(reg_enum)] = __value; \ |
| __cmdbuf->state.context_roll_without_scissor_emitted = true; \ |
| } \ |
| } while (0) |
| |
| #define radeon_opt_set_context_reg2(cmdbuf, reg, reg_enum, v1, v2) \ |
| do { \ |
| struct radv_cmd_buffer *__cmdbuf = (cmdbuf); \ |
| struct radv_tracked_regs *__tracked_regs = &__cmdbuf->tracked_regs; \ |
| const uint32_t __v1 = (v1), __v2 = (v2); \ |
| if (!BITSET_TEST_RANGE_INSIDE_WORD(__tracked_regs->reg_saved_mask, (reg_enum), (reg_enum) + 1, 0x3) || \ |
| __tracked_regs->reg_value[(reg_enum)] != __v1 || __tracked_regs->reg_value[(reg_enum) + 1] != __v2) { \ |
| radeon_set_context_reg_seq(reg, 2); \ |
| radeon_emit(__v1); \ |
| radeon_emit(__v2); \ |
| BITSET_SET_RANGE_INSIDE_WORD(__tracked_regs->reg_saved_mask, (reg_enum), (reg_enum) + 1); \ |
| __tracked_regs->reg_value[(reg_enum)] = __v1; \ |
| __tracked_regs->reg_value[(reg_enum) + 1] = __v2; \ |
| cmdbuf->state.context_roll_without_scissor_emitted = true; \ |
| } \ |
| } while (0) |
| |
| #define radeon_opt_set_context_reg3(cmdbuf, reg, reg_enum, v1, v2, v3) \ |
| do { \ |
| struct radv_cmd_buffer *__cmdbuf = (cmdbuf); \ |
| struct radv_tracked_regs *__tracked_regs = &__cmdbuf->tracked_regs; \ |
| const uint32_t __v1 = (v1), __v2 = (v2), __v3 = (v3); \ |
| if (!BITSET_TEST_RANGE_INSIDE_WORD(__tracked_regs->reg_saved_mask, (reg_enum), (reg_enum) + 2, 0x7) || \ |
| __tracked_regs->reg_value[(reg_enum)] != __v1 || __tracked_regs->reg_value[(reg_enum) + 1] != __v2 || \ |
| __tracked_regs->reg_value[(reg_enum) + 2] != __v3) { \ |
| radeon_set_context_reg_seq(reg, 3); \ |
| radeon_emit(__v1); \ |
| radeon_emit(__v2); \ |
| radeon_emit(__v3); \ |
| BITSET_SET_RANGE_INSIDE_WORD(__tracked_regs->reg_saved_mask, (reg_enum), (reg_enum) + 2); \ |
| __tracked_regs->reg_value[(reg_enum)] = __v1; \ |
| __tracked_regs->reg_value[(reg_enum) + 1] = __v2; \ |
| __tracked_regs->reg_value[(reg_enum) + 2] = __v3; \ |
| cmdbuf->state.context_roll_without_scissor_emitted = true; \ |
| } \ |
| } while (0) |
| |
| #define radeon_opt_set_context_reg4(cmdbuf, reg, reg_enum, v1, v2, v3, v4) \ |
| do { \ |
| struct radv_cmd_buffer *__cmdbuf = (cmdbuf); \ |
| struct radv_tracked_regs *__tracked_regs = &__cmdbuf->tracked_regs; \ |
| const uint32_t __v1 = (v1), __v2 = (v2), __v3 = (v3), __v4 = (v4); \ |
| if (!BITSET_TEST_RANGE_INSIDE_WORD(__tracked_regs->reg_saved_mask, (reg_enum), (reg_enum) + 3, 0xf) || \ |
| __tracked_regs->reg_value[(reg_enum)] != __v1 || __tracked_regs->reg_value[(reg_enum) + 1] != __v2 || \ |
| __tracked_regs->reg_value[(reg_enum) + 2] != __v3 || __tracked_regs->reg_value[(reg_enum) + 3] != __v4) { \ |
| radeon_set_context_reg_seq(reg, 4); \ |
| radeon_emit(__v1); \ |
| radeon_emit(__v2); \ |
| radeon_emit(__v3); \ |
| radeon_emit(__v4); \ |
| BITSET_SET_RANGE_INSIDE_WORD(__tracked_regs->reg_saved_mask, (reg_enum), (reg_enum) + 3); \ |
| __tracked_regs->reg_value[(reg_enum)] = __v1; \ |
| __tracked_regs->reg_value[(reg_enum) + 1] = __v2; \ |
| __tracked_regs->reg_value[(reg_enum) + 2] = __v3; \ |
| __tracked_regs->reg_value[(reg_enum) + 3] = __v4; \ |
| cmdbuf->state.context_roll_without_scissor_emitted = true; \ |
| } \ |
| } while (0) |
| |
| #define radeon_opt_set_context_regn(cmdbuf, reg, values, saved_values, num) \ |
| do { \ |
| struct radv_cmd_buffer *__cmdbuf = (cmdbuf); \ |
| if (memcmp(values, saved_values, sizeof(uint32_t) * (num))) { \ |
| radeon_set_context_reg_seq(reg, num); \ |
| radeon_emit_array(values, num); \ |
| memcpy(saved_values, values, sizeof(uint32_t) * (num)); \ |
| __cmdbuf->state.context_roll_without_scissor_emitted = true; \ |
| } \ |
| } while (0) |
| |
| /* Packet building helpers for SH registers. */ |
| #define radeon_set_sh_reg_seq(reg, num) __radeon_set_reg_seq(reg, num, 0, SI_SH, PKT3_SET_SH_REG, 0) |
| |
| #define radeon_set_sh_reg(reg, value) __radeon_set_reg(reg, 0, value, SI_SH, PKT3_SET_SH_REG) |
| |
| #define radeon_set_sh_reg_idx(info, reg, idx, value) \ |
| do { \ |
| assert((idx)); \ |
| unsigned __opcode = PKT3_SET_SH_REG_INDEX; \ |
| if ((info)->gfx_level < GFX10) \ |
| __opcode = PKT3_SET_SH_REG; \ |
| __radeon_set_reg(reg, idx, value, SI_SH, __opcode); \ |
| } while (0) |
| |
| /* Packet building helpers for UCONFIG registers. */ |
| #define radeon_set_uconfig_reg_seq(reg, num) __radeon_set_reg_seq(reg, num, 0, CIK_UCONFIG, PKT3_SET_UCONFIG_REG, 0) |
| |
| #define radeon_set_uconfig_reg(reg, value) __radeon_set_reg(reg, 0, value, CIK_UCONFIG, PKT3_SET_UCONFIG_REG) |
| |
| #define radeon_set_uconfig_reg_idx(info, reg, idx, value) \ |
| do { \ |
| assert((idx)); \ |
| unsigned __opcode = PKT3_SET_UCONFIG_REG_INDEX; \ |
| if ((info)->gfx_level < GFX9 || ((info)->gfx_level == GFX9 && (info)->me_fw_version < 26)) \ |
| __opcode = PKT3_SET_UCONFIG_REG; \ |
| __radeon_set_reg(reg, idx, value, CIK_UCONFIG, __opcode); \ |
| } while (0) |
| |
| /* |
| * On GFX10, there is a bug with the ME implementation of its content addressable memory (CAM), |
| * that means that it can skip register writes due to not taking correctly into account the |
| * fields from the GRBM_GFX_INDEX. With this bit we can force the write. |
| */ |
| #define radeon_set_uconfig_perfctr_reg_seq(gfx_level, ring, reg, num) \ |
| do { \ |
| const bool __filter_cam_workaround = (gfx_level) >= GFX10 && (ring) == AMD_IP_GFX; \ |
| __radeon_set_reg_seq(reg, num, 0, CIK_UCONFIG, PKT3_SET_UCONFIG_REG, __filter_cam_workaround); \ |
| } while (0) |
| |
| #define radeon_set_uconfig_perfctr_reg(gfx_level, ring, reg, value) \ |
| do { \ |
| radeon_set_uconfig_perfctr_reg_seq(gfx_level, ring, reg, 1); \ |
| radeon_emit(value); \ |
| } while (0) |
| |
| #define radeon_set_privileged_config_reg(reg, value) \ |
| do { \ |
| assert((reg) < CIK_UCONFIG_REG_OFFSET); \ |
| radeon_emit(PKT3(PKT3_COPY_DATA, 4, 0)); \ |
| radeon_emit(COPY_DATA_SRC_SEL(COPY_DATA_IMM) | COPY_DATA_DST_SEL(COPY_DATA_PERF)); \ |
| radeon_emit(value); \ |
| radeon_emit(0); /* unused */ \ |
| radeon_emit((reg) >> 2); \ |
| radeon_emit(0); /* unused */ \ |
| } while (0) |
| |
| #define radeon_event_write_predicate(event_type, predicate) \ |
| do { \ |
| unsigned __event_type = (event_type); \ |
| radeon_emit(PKT3(PKT3_EVENT_WRITE, 0, predicate)); \ |
| radeon_emit(EVENT_TYPE(__event_type) | EVENT_INDEX(__event_type == V_028A90_VS_PARTIAL_FLUSH || \ |
| __event_type == V_028A90_PS_PARTIAL_FLUSH || \ |
| __event_type == V_028A90_CS_PARTIAL_FLUSH \ |
| ? 4 \ |
| : 0)); \ |
| } while (0) |
| |
| #define radeon_event_write(event_type) radeon_event_write_predicate(event_type, false) |
| |
| #define radeon_emit_32bit_pointer(sh_offset, va, info) \ |
| do { \ |
| assert((va) == 0 || ((va) >> 32) == (info)->address32_hi); \ |
| radeon_set_sh_reg(sh_offset, va); \ |
| } while (0) |
| |
| #define radeon_emit_64bit_pointer(sh_offset, va) \ |
| do { \ |
| radeon_set_sh_reg_seq(sh_offset, 2); \ |
| radeon_emit(va); \ |
| radeon_emit(va >> 32); \ |
| } while (0) |
| |
| /* GFX12 generic packet building helpers for PAIRS packets. Don't use these directly. */ |
| |
| /* Reserved 1 DWORD to emit the packet header when the sequence ends. */ |
| #define __gfx12_begin_regs(header) uint32_t header = __cs_num++ |
| |
| /* Set a register unconditionally. */ |
| #define __gfx12_set_reg(reg, value, base_offset) \ |
| do { \ |
| radeon_emit(((reg) - (base_offset)) >> 2); \ |
| radeon_emit(value); \ |
| } while (0) |
| |
| /* Set 1 context register optimally. */ |
| #define __gfx12_opt_set_reg(cmdbuf, reg, reg_enum, value, base_offset) \ |
| do { \ |
| struct radv_tracked_regs *__tracked_regs = &(cmdbuf)->tracked_regs; \ |
| const uint32_t __value = (value); \ |
| if (!BITSET_TEST(__tracked_regs->reg_saved_mask, (reg_enum)) || \ |
| __tracked_regs->reg_value[(reg_enum)] != __value) { \ |
| __gfx12_set_reg((reg), __value, base_offset); \ |
| BITSET_SET(__tracked_regs->reg_saved_mask, (reg_enum)); \ |
| __tracked_regs->reg_value[(reg_enum)] = __value; \ |
| } \ |
| } while (0) |
| |
| /* Set 2 context registers optimally. */ |
| #define __gfx12_opt_set_reg2(cmdbuf, reg, reg_enum, v1, v2, base_offset) \ |
| do { \ |
| struct radv_tracked_regs *__tracked_regs = &(cmdbuf)->tracked_regs; \ |
| const uint32_t __v1 = (v1), __v2 = (v2); \ |
| if (!BITSET_TEST_RANGE_INSIDE_WORD(__tracked_regs->reg_saved_mask, (reg_enum), (reg_enum) + 1, 0x3) || \ |
| __tracked_regs->reg_value[(reg_enum)] != __v1 || __tracked_regs->reg_value[(reg_enum) + 1] != __v2) { \ |
| __gfx12_set_reg((reg), __v1, base_offset); \ |
| __gfx12_set_reg((reg) + 4, __v2, base_offset); \ |
| BITSET_SET_RANGE_INSIDE_WORD(__tracked_regs->reg_saved_mask, (reg_enum), (reg_enum) + 1); \ |
| __tracked_regs->reg_value[(reg_enum)] = __v1; \ |
| __tracked_regs->reg_value[(reg_enum) + 1] = __v2; \ |
| } \ |
| } while (0) |
| |
| /* End the sequence and emit the packet header. */ |
| #define __gfx12_end_regs(header, packet) \ |
| do { \ |
| if ((header) + 1 == __cs_num) { \ |
| __cs_num--; /* no registers have been set, back off */ \ |
| } else { \ |
| unsigned __dw_count = __cs_num - (header) - 2; \ |
| __cs_buf[(header)] = PKT3((packet), __dw_count, 0) | PKT3_RESET_FILTER_CAM_S(1); \ |
| } \ |
| } while (0) |
| |
| /* GFX12 generic packet building helpers for buffered registers. Don't use these directly. */ |
| #define __gfx12_push_reg(cmdbuf, reg, value, base_offset) \ |
| do { \ |
| struct radv_cmd_buffer *__cmdbuf = (cmdbuf); \ |
| unsigned __i = __cmdbuf->num_buffered_sh_regs++; \ |
| assert(__i < ARRAY_SIZE(__cmdbuf->gfx12.buffered_sh_regs)); \ |
| __cmdbuf->gfx12.buffered_sh_regs[__i].reg_offset = ((reg) - (base_offset)) >> 2; \ |
| __cmdbuf->gfx12.buffered_sh_regs[__i].reg_value = value; \ |
| } while (0) |
| |
| /* GFX12 packet building helpers for PAIRS packets. */ |
| #define gfx12_begin_context_regs() __gfx12_begin_regs(__cs_context_reg_header) |
| |
| #define gfx12_set_context_reg(reg, value) __gfx12_set_reg(reg, value, SI_CONTEXT_REG_OFFSET) |
| |
| #define gfx12_opt_set_context_reg(cmdbuf, reg, reg_enum, value) \ |
| __gfx12_opt_set_reg(cmdbuf, reg, reg_enum, value, SI_CONTEXT_REG_OFFSET) |
| |
| #define gfx12_opt_set_context_reg2(cmdbuf, reg, reg_enum, v1, v2) \ |
| __gfx12_opt_set_reg2(cmdbuf, reg, reg_enum, v1, v2, SI_CONTEXT_REG_OFFSET) |
| |
| #define gfx12_end_context_regs() __gfx12_end_regs(__cs_context_reg_header, PKT3_SET_CONTEXT_REG_PAIRS) |
| |
| /* GFX12 packet building helpers for buffered registers. */ |
| #define gfx12_push_sh_reg(cmdbuf, reg, value) __gfx12_push_reg(cmdbuf, reg, value, SI_SH_REG_OFFSET) |
| |
| #define gfx12_push_32bit_pointer(cmdbuf, sh_offset, va, info) \ |
| do { \ |
| assert((va) == 0 || ((va) >> 32) == (info)->address32_hi); \ |
| gfx12_push_sh_reg(cmdbuf, sh_offset, va); \ |
| } while (0) |
| |
| #define gfx12_emit_buffered_sh_regs(num_regs, regs) \ |
| do { \ |
| unsigned __reg_count = *(num_regs); \ |
| if (__reg_count) { \ |
| radeon_emit(PKT3(PKT3_SET_SH_REG_PAIRS, __reg_count * 2 - 1, 0) | PKT3_RESET_FILTER_CAM_S(1)); \ |
| radeon_emit_array(regs, __reg_count * 2); \ |
| *(num_regs) = 0; \ |
| } \ |
| } while (0) |
| |
| ALWAYS_INLINE static void |
| radv_cp_wait_mem(struct radeon_cmdbuf *cs, const enum radv_queue_family qf, const uint32_t op, const uint64_t va, |
| const uint32_t ref, const uint32_t mask) |
| { |
| assert(op == WAIT_REG_MEM_EQUAL || op == WAIT_REG_MEM_NOT_EQUAL || op == WAIT_REG_MEM_GREATER_OR_EQUAL); |
| |
| if (qf == RADV_QUEUE_GENERAL || qf == RADV_QUEUE_COMPUTE) { |
| radeon_begin(cs); |
| radeon_emit(PKT3(PKT3_WAIT_REG_MEM, 5, false)); |
| radeon_emit(op | WAIT_REG_MEM_MEM_SPACE(1)); |
| radeon_emit(va); |
| radeon_emit(va >> 32); |
| radeon_emit(ref); /* reference value */ |
| radeon_emit(mask); /* mask */ |
| radeon_emit(4); /* poll interval */ |
| radeon_end(); |
| } else if (qf == RADV_QUEUE_TRANSFER) { |
| radv_sdma_emit_wait_mem(cs, op, va, ref, mask); |
| } else { |
| unreachable("unsupported queue family"); |
| } |
| } |
| |
| ALWAYS_INLINE static unsigned |
| radv_cs_write_data_head(const struct radv_device *device, struct radeon_cmdbuf *cs, const enum radv_queue_family qf, |
| const unsigned engine_sel, const uint64_t va, const unsigned count, const bool predicating) |
| { |
| /* Return the correct cdw at the end of the packet so the caller can assert it. */ |
| const unsigned cdw_end = radeon_check_space(device->ws, cs, 4 + count); |
| |
| if (qf == RADV_QUEUE_GENERAL || qf == RADV_QUEUE_COMPUTE) { |
| radeon_begin(cs); |
| radeon_emit(PKT3(PKT3_WRITE_DATA, 2 + count, predicating)); |
| radeon_emit(S_370_DST_SEL(V_370_MEM) | S_370_WR_CONFIRM(1) | S_370_ENGINE_SEL(engine_sel)); |
| radeon_emit(va); |
| radeon_emit(va >> 32); |
| radeon_end(); |
| } else if (qf == RADV_QUEUE_TRANSFER) { |
| radv_sdma_emit_write_data_head(cs, va, count); |
| } else { |
| unreachable("unsupported queue family"); |
| } |
| |
| return cdw_end; |
| } |
| |
| ALWAYS_INLINE static void |
| radv_cs_write_data(const struct radv_device *device, struct radeon_cmdbuf *cs, const enum radv_queue_family qf, |
| const unsigned engine_sel, const uint64_t va, const unsigned count, const uint32_t *dwords, |
| const bool predicating) |
| { |
| ASSERTED const unsigned cdw_end = radv_cs_write_data_head(device, cs, qf, engine_sel, va, count, predicating); |
| |
| radeon_begin(cs); |
| radeon_emit_array(dwords, count); |
| radeon_end(); |
| assert(cs->cdw == cdw_end); |
| } |
| |
| void radv_cs_emit_write_event_eop(struct radeon_cmdbuf *cs, enum amd_gfx_level gfx_level, enum radv_queue_family qf, |
| unsigned event, unsigned event_flags, unsigned dst_sel, unsigned data_sel, |
| uint64_t va, uint32_t new_fence, uint64_t gfx9_eop_bug_va); |
| |
| void radv_cs_emit_cache_flush(struct radeon_winsys *ws, struct radeon_cmdbuf *cs, enum amd_gfx_level gfx_level, |
| uint32_t *flush_cnt, uint64_t flush_va, enum radv_queue_family qf, |
| enum radv_cmd_flush_bits flush_bits, enum rgp_flush_bits *sqtt_flush_bits, |
| uint64_t gfx9_eop_bug_va); |
| |
| void radv_emit_cond_exec(const struct radv_device *device, struct radeon_cmdbuf *cs, uint64_t va, uint32_t count); |
| |
| void radv_cs_write_data_imm(struct radeon_cmdbuf *cs, unsigned engine_sel, uint64_t va, uint32_t imm); |
| |
| static inline void |
| radv_emit_pm4_commands(struct radeon_cmdbuf *cs, const struct ac_pm4_state *pm4) |
| { |
| radeon_begin(cs); |
| radeon_emit_array(pm4->pm4, pm4->ndw); |
| radeon_end(); |
| } |
| |
| #endif /* RADV_CS_H */ |
