/* * Copyright © 2015 Intel Corporation * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS * IN THE SOFTWARE. */ #include "aub_write.h" #include #include #include #include #include #include "i915_drm.h" #include "intel_aub.h" #include "gen_context.h" #ifndef ALIGN #define ALIGN(x, y) (((x) + (y)-1) & ~((y)-1)) #endif #define MI_BATCH_NON_SECURE_I965 (1 << 8) #define min(a, b) ({ \ __typeof(a) _a = (a); \ __typeof(b) _b = (b); \ _a < _b ? _a : _b; \ }) #define max(a, b) ({ \ __typeof(a) _a = (a); \ __typeof(b) _b = (b); \ _a > _b ? _a : _b; \ }) enum gen_ring { GEN_RING_RENDER, GEN_RING_BLITTER, GEN_RING_VIDEO, }; static const uint32_t * get_context_init(const struct gen_device_info *devinfo, enum gen_ring ring) { static const uint32_t *gen8_contexts[] = { [GEN_RING_RENDER] = gen8_render_context_init, [GEN_RING_BLITTER] = gen8_blitter_context_init, [GEN_RING_VIDEO] = gen8_video_context_init, }; static const uint32_t *gen10_contexts[] = { [GEN_RING_RENDER] = gen10_render_context_init, [GEN_RING_BLITTER] = gen10_blitter_context_init, [GEN_RING_VIDEO] = gen10_video_context_init, }; assert(devinfo->gen >= 8); if (devinfo->gen <= 10) return gen8_contexts[ring]; return gen10_contexts[ring]; } static void __attribute__ ((format(__printf__, 2, 3))) fail_if(int cond, const char *format, ...) { va_list args; if (!cond) return; va_start(args, format); vfprintf(stderr, format, args); va_end(args); raise(SIGTRAP); } static inline uint32_t align_u32(uint32_t v, uint32_t a) { return (v + a - 1) & ~(a - 1); } static void aub_ppgtt_table_finish(struct aub_ppgtt_table *table, int level) { if (level == 1) return; for (unsigned i = 0; i < ARRAY_SIZE(table->subtables); i++) { if (table->subtables[i]) { aub_ppgtt_table_finish(table->subtables[i], level - 1); free(table->subtables[i]); } } } void aub_file_init(struct aub_file *aub, FILE *file, uint16_t pci_id) { memset(aub, 0, sizeof(*aub)); aub->file = file; aub->pci_id = pci_id; fail_if(!gen_get_device_info(pci_id, &aub->devinfo), "failed to identify chipset=0x%x\n", pci_id); aub->addr_bits = aub->devinfo.gen >= 8 ? 48 : 32; aub->pml4.phys_addr = PML4_PHYS_ADDR; } void aub_file_finish(struct aub_file *aub) { aub_ppgtt_table_finish(&aub->pml4, 4); fclose(aub->file); } uint32_t aub_gtt_size(struct aub_file *aub) { return NUM_PT_ENTRIES * (aub->addr_bits > 32 ? GEN8_PTE_SIZE : PTE_SIZE); } static void data_out(struct aub_file *aub, const void *data, size_t size) { if (size == 0) return; fail_if(fwrite(data, 1, size, aub->file) == 0, "Writing to output failed\n"); } static void dword_out(struct aub_file *aub, uint32_t data) { data_out(aub, &data, sizeof(data)); } static void mem_trace_memory_write_header_out(struct aub_file *aub, uint64_t addr, uint32_t len, uint32_t addr_space, const char *desc) { uint32_t dwords = ALIGN(len, sizeof(uint32_t)) / sizeof(uint32_t); if (aub->verbose_log_file) { fprintf(aub->verbose_log_file, " MEM WRITE (0x%016" PRIx64 "-0x%016" PRIx64 ") %s\n", addr, addr + len, desc); } dword_out(aub, CMD_MEM_TRACE_MEMORY_WRITE | (5 + dwords - 1)); dword_out(aub, addr & 0xFFFFFFFF); /* addr lo */ dword_out(aub, addr >> 32); /* addr hi */ dword_out(aub, addr_space); /* gtt */ dword_out(aub, len); } static void register_write_out(struct aub_file *aub, uint32_t addr, uint32_t value) { uint32_t dwords = 1; dword_out(aub, CMD_MEM_TRACE_REGISTER_WRITE | (5 + dwords - 1)); dword_out(aub, addr); dword_out(aub, AUB_MEM_TRACE_REGISTER_SIZE_DWORD | AUB_MEM_TRACE_REGISTER_SPACE_MMIO); dword_out(aub, 0xFFFFFFFF); /* mask lo */ dword_out(aub, 0x00000000); /* mask hi */ dword_out(aub, value); } static void populate_ppgtt_table(struct aub_file *aub, struct aub_ppgtt_table *table, int start, int end, int level) { static uint64_t phys_addrs_allocator = (PML4_PHYS_ADDR >> 12) + 1; uint64_t entries[512] = {0}; int dirty_start = 512, dirty_end = 0; if (aub->verbose_log_file) { fprintf(aub->verbose_log_file, " PPGTT (0x%016" PRIx64 "), lvl %d, start: %x, end: %x\n", table->phys_addr, level, start, end); } for (int i = start; i <= end; i++) { if (!table->subtables[i]) { dirty_start = min(dirty_start, i); dirty_end = max(dirty_end, i); if (level == 1) { table->subtables[i] = (void *)(phys_addrs_allocator++ << 12); if (aub->verbose_log_file) { fprintf(aub->verbose_log_file, " Adding entry: %x, phys_addr: 0x%016" PRIx64 "\n", i, (uint64_t)table->subtables[i]); } } else { table->subtables[i] = calloc(1, sizeof(struct aub_ppgtt_table)); table->subtables[i]->phys_addr = phys_addrs_allocator++ << 12; if (aub->verbose_log_file) { fprintf(aub->verbose_log_file, " Adding entry: %x, phys_addr: 0x%016" PRIx64 "\n", i, table->subtables[i]->phys_addr); } } } entries[i] = 3 /* read/write | present */ | (level == 1 ? (uint64_t)table->subtables[i] : table->subtables[i]->phys_addr); } if (dirty_start <= dirty_end) { uint64_t write_addr = table->phys_addr + dirty_start * sizeof(uint64_t); uint64_t write_size = (dirty_end - dirty_start + 1) * sizeof(uint64_t); mem_trace_memory_write_header_out(aub, write_addr, write_size, AUB_MEM_TRACE_MEMORY_ADDRESS_SPACE_PHYSICAL, "PPGTT update"); data_out(aub, entries + dirty_start, write_size); } } void aub_map_ppgtt(struct aub_file *aub, uint64_t start, uint64_t size) { uint64_t l4_start = start & 0xff8000000000; uint64_t l4_end = ((start + size - 1) | 0x007fffffffff) & 0xffffffffffff; #define L4_index(addr) (((addr) >> 39) & 0x1ff) #define L3_index(addr) (((addr) >> 30) & 0x1ff) #define L2_index(addr) (((addr) >> 21) & 0x1ff) #define L1_index(addr) (((addr) >> 12) & 0x1ff) #define L3_table(addr) (aub->pml4.subtables[L4_index(addr)]) #define L2_table(addr) (L3_table(addr)->subtables[L3_index(addr)]) #define L1_table(addr) (L2_table(addr)->subtables[L2_index(addr)]) if (aub->verbose_log_file) { fprintf(aub->verbose_log_file, " Mapping PPGTT address: 0x%" PRIx64 ", size: %" PRIu64"\n", start, size); } populate_ppgtt_table(aub, &aub->pml4, L4_index(l4_start), L4_index(l4_end), 4); for (uint64_t l4 = l4_start; l4 < l4_end; l4 += (1ULL << 39)) { uint64_t l3_start = max(l4, start & 0xffffc0000000); uint64_t l3_end = min(l4 + (1ULL << 39) - 1, ((start + size - 1) | 0x00003fffffff) & 0xffffffffffff); uint64_t l3_start_idx = L3_index(l3_start); uint64_t l3_end_idx = L3_index(l3_end); populate_ppgtt_table(aub, L3_table(l4), l3_start_idx, l3_end_idx, 3); for (uint64_t l3 = l3_start; l3 < l3_end; l3 += (1ULL << 30)) { uint64_t l2_start = max(l3, start & 0xffffffe00000); uint64_t l2_end = min(l3 + (1ULL << 30) - 1, ((start + size - 1) | 0x0000001fffff) & 0xffffffffffff); uint64_t l2_start_idx = L2_index(l2_start); uint64_t l2_end_idx = L2_index(l2_end); populate_ppgtt_table(aub, L2_table(l3), l2_start_idx, l2_end_idx, 2); for (uint64_t l2 = l2_start; l2 < l2_end; l2 += (1ULL << 21)) { uint64_t l1_start = max(l2, start & 0xfffffffff000); uint64_t l1_end = min(l2 + (1ULL << 21) - 1, ((start + size - 1) | 0x000000000fff) & 0xffffffffffff); uint64_t l1_start_idx = L1_index(l1_start); uint64_t l1_end_idx = L1_index(l1_end); populate_ppgtt_table(aub, L1_table(l2), l1_start_idx, l1_end_idx, 1); } } } } static uint64_t ppgtt_lookup(struct aub_file *aub, uint64_t ppgtt_addr) { return (uint64_t)L1_table(ppgtt_addr)->subtables[L1_index(ppgtt_addr)]; } static void write_execlists_header(struct aub_file *aub, const char *name) { char app_name[8 * 4]; int app_name_len, dwords; app_name_len = snprintf(app_name, sizeof(app_name), "PCI-ID=0x%X %s", aub->pci_id, name); app_name_len = ALIGN(app_name_len, sizeof(uint32_t)); dwords = 5 + app_name_len / sizeof(uint32_t); dword_out(aub, CMD_MEM_TRACE_VERSION | (dwords - 1)); dword_out(aub, AUB_MEM_TRACE_VERSION_FILE_VERSION); dword_out(aub, aub->devinfo.simulator_id << AUB_MEM_TRACE_VERSION_DEVICE_SHIFT); dword_out(aub, 0); /* version */ dword_out(aub, 0); /* version */ data_out(aub, app_name, app_name_len); /* GGTT PT */ uint32_t ggtt_ptes = STATIC_GGTT_MAP_SIZE >> 12; mem_trace_memory_write_header_out(aub, STATIC_GGTT_MAP_START >> 12, ggtt_ptes * GEN8_PTE_SIZE, AUB_MEM_TRACE_MEMORY_ADDRESS_SPACE_GGTT_ENTRY, "GGTT PT"); for (uint32_t i = 0; i < ggtt_ptes; i++) { dword_out(aub, 1 + 0x1000 * i + STATIC_GGTT_MAP_START); dword_out(aub, 0); } /* RENDER_RING */ mem_trace_memory_write_header_out(aub, RENDER_RING_ADDR, RING_SIZE, AUB_MEM_TRACE_MEMORY_ADDRESS_SPACE_GGTT, "RENDER RING"); for (uint32_t i = 0; i < RING_SIZE; i += sizeof(uint32_t)) dword_out(aub, 0); /* RENDER_PPHWSP */ mem_trace_memory_write_header_out(aub, RENDER_CONTEXT_ADDR, PPHWSP_SIZE + CONTEXT_RENDER_SIZE, AUB_MEM_TRACE_MEMORY_ADDRESS_SPACE_GGTT, "RENDER PPHWSP"); for (uint32_t i = 0; i < PPHWSP_SIZE; i += sizeof(uint32_t)) dword_out(aub, 0); /* RENDER_CONTEXT */ data_out(aub, get_context_init(&aub->devinfo, GEN_RING_RENDER), CONTEXT_RENDER_SIZE); /* BLITTER_RING */ mem_trace_memory_write_header_out(aub, BLITTER_RING_ADDR, RING_SIZE, AUB_MEM_TRACE_MEMORY_ADDRESS_SPACE_GGTT, "BLITTER RING"); for (uint32_t i = 0; i < RING_SIZE; i += sizeof(uint32_t)) dword_out(aub, 0); /* BLITTER_PPHWSP */ mem_trace_memory_write_header_out(aub, BLITTER_CONTEXT_ADDR, PPHWSP_SIZE + CONTEXT_OTHER_SIZE, AUB_MEM_TRACE_MEMORY_ADDRESS_SPACE_GGTT, "BLITTER PPHWSP"); for (uint32_t i = 0; i < PPHWSP_SIZE; i += sizeof(uint32_t)) dword_out(aub, 0); /* BLITTER_CONTEXT */ data_out(aub, get_context_init(&aub->devinfo, GEN_RING_BLITTER), CONTEXT_OTHER_SIZE); /* VIDEO_RING */ mem_trace_memory_write_header_out(aub, VIDEO_RING_ADDR, RING_SIZE, AUB_MEM_TRACE_MEMORY_ADDRESS_SPACE_GGTT, "VIDEO RING"); for (uint32_t i = 0; i < RING_SIZE; i += sizeof(uint32_t)) dword_out(aub, 0); /* VIDEO_PPHWSP */ mem_trace_memory_write_header_out(aub, VIDEO_CONTEXT_ADDR, PPHWSP_SIZE + CONTEXT_OTHER_SIZE, AUB_MEM_TRACE_MEMORY_ADDRESS_SPACE_GGTT, "VIDEO PPHWSP"); for (uint32_t i = 0; i < PPHWSP_SIZE; i += sizeof(uint32_t)) dword_out(aub, 0); /* VIDEO_CONTEXT */ data_out(aub, get_context_init(&aub->devinfo, GEN_RING_VIDEO), CONTEXT_OTHER_SIZE); register_write_out(aub, HWS_PGA_RCSUNIT, RENDER_CONTEXT_ADDR); register_write_out(aub, HWS_PGA_VCSUNIT0, VIDEO_CONTEXT_ADDR); register_write_out(aub, HWS_PGA_BCSUNIT, BLITTER_CONTEXT_ADDR); register_write_out(aub, GFX_MODE_RCSUNIT, 0x80008000 /* execlist enable */); register_write_out(aub, GFX_MODE_VCSUNIT0, 0x80008000 /* execlist enable */); register_write_out(aub, GFX_MODE_BCSUNIT, 0x80008000 /* execlist enable */); } static void write_legacy_header(struct aub_file *aub, const char *name) { char app_name[8 * 4]; char comment[16]; int comment_len, comment_dwords, dwords; uint32_t entry = 0x200003; comment_len = snprintf(comment, sizeof(comment), "PCI-ID=0x%x", aub->pci_id); comment_dwords = ((comment_len + 3) / 4); /* Start with a (required) version packet. */ dwords = 13 + comment_dwords; dword_out(aub, CMD_AUB_HEADER | (dwords - 2)); dword_out(aub, (4 << AUB_HEADER_MAJOR_SHIFT) | (0 << AUB_HEADER_MINOR_SHIFT)); /* Next comes a 32-byte application name. */ strncpy(app_name, name, sizeof(app_name)); app_name[sizeof(app_name) - 1] = 0; data_out(aub, app_name, sizeof(app_name)); dword_out(aub, 0); /* timestamp */ dword_out(aub, 0); /* timestamp */ dword_out(aub, comment_len); data_out(aub, comment, comment_dwords * 4); /* Set up the GTT. The max we can handle is 64M */ dword_out(aub, CMD_AUB_TRACE_HEADER_BLOCK | ((aub->addr_bits > 32 ? 6 : 5) - 2)); dword_out(aub, AUB_TRACE_MEMTYPE_GTT_ENTRY | AUB_TRACE_TYPE_NOTYPE | AUB_TRACE_OP_DATA_WRITE); dword_out(aub, 0); /* subtype */ dword_out(aub, 0); /* offset */ dword_out(aub, aub_gtt_size(aub)); /* size */ if (aub->addr_bits > 32) dword_out(aub, 0); for (uint32_t i = 0; i < NUM_PT_ENTRIES; i++) { dword_out(aub, entry + 0x1000 * i); if (aub->addr_bits > 32) dword_out(aub, 0); } } void aub_write_header(struct aub_file *aub, const char *app_name) { if (aub_use_execlists(aub)) write_execlists_header(aub, app_name); else write_legacy_header(aub, app_name); } /** * Break up large objects into multiple writes. Otherwise a 128kb VBO * would overflow the 16 bits of size field in the packet header and * everything goes badly after that. */ void aub_write_trace_block(struct aub_file *aub, uint32_t type, void *virtual, uint32_t size, uint64_t gtt_offset) { uint32_t block_size; uint32_t subtype = 0; static const char null_block[8 * 4096]; for (uint32_t offset = 0; offset < size; offset += block_size) { block_size = min(8 * 4096, size - offset); if (aub_use_execlists(aub)) { block_size = min(4096, block_size); mem_trace_memory_write_header_out(aub, ppgtt_lookup(aub, gtt_offset + offset), block_size, AUB_MEM_TRACE_MEMORY_ADDRESS_SPACE_PHYSICAL, "Trace Block"); } else { dword_out(aub, CMD_AUB_TRACE_HEADER_BLOCK | ((aub->addr_bits > 32 ? 6 : 5) - 2)); dword_out(aub, AUB_TRACE_MEMTYPE_GTT | type | AUB_TRACE_OP_DATA_WRITE); dword_out(aub, subtype); dword_out(aub, gtt_offset + offset); dword_out(aub, align_u32(block_size, 4)); if (aub->addr_bits > 32) dword_out(aub, (gtt_offset + offset) >> 32); } if (virtual) data_out(aub, ((char *) virtual) + offset, block_size); else data_out(aub, null_block, block_size); /* Pad to a multiple of 4 bytes. */ data_out(aub, null_block, -block_size & 3); } } static void aub_dump_execlist(struct aub_file *aub, uint64_t batch_offset, int ring_flag) { uint32_t ring_addr; uint64_t descriptor; uint32_t elsp_reg; uint32_t elsq_reg; uint32_t status_reg; uint32_t control_reg; switch (ring_flag) { case I915_EXEC_DEFAULT: case I915_EXEC_RENDER: ring_addr = RENDER_RING_ADDR; descriptor = RENDER_CONTEXT_DESCRIPTOR; elsp_reg = EXECLIST_SUBMITPORT_RCSUNIT; elsq_reg = EXECLIST_SQ_CONTENTS0_RCSUNIT; status_reg = EXECLIST_STATUS_RCSUNIT; control_reg = EXECLIST_CONTROL_RCSUNIT; break; case I915_EXEC_BSD: ring_addr = VIDEO_RING_ADDR; descriptor = VIDEO_CONTEXT_DESCRIPTOR; elsp_reg = EXECLIST_SUBMITPORT_VCSUNIT0; elsq_reg = EXECLIST_SQ_CONTENTS0_VCSUNIT0; status_reg = EXECLIST_STATUS_VCSUNIT0; control_reg = EXECLIST_CONTROL_VCSUNIT0; break; case I915_EXEC_BLT: ring_addr = BLITTER_RING_ADDR; descriptor = BLITTER_CONTEXT_DESCRIPTOR; elsp_reg = EXECLIST_SUBMITPORT_BCSUNIT; elsq_reg = EXECLIST_SQ_CONTENTS0_BCSUNIT; status_reg = EXECLIST_STATUS_BCSUNIT; control_reg = EXECLIST_CONTROL_BCSUNIT; break; default: unreachable("unknown ring"); } mem_trace_memory_write_header_out(aub, ring_addr, 16, AUB_MEM_TRACE_MEMORY_ADDRESS_SPACE_GGTT, "RING MI_BATCH_BUFFER_START user"); dword_out(aub, AUB_MI_BATCH_BUFFER_START | MI_BATCH_NON_SECURE_I965 | (3 - 2)); dword_out(aub, batch_offset & 0xFFFFFFFF); dword_out(aub, batch_offset >> 32); dword_out(aub, 0 /* MI_NOOP */); mem_trace_memory_write_header_out(aub, ring_addr + 8192 + 20, 4, AUB_MEM_TRACE_MEMORY_ADDRESS_SPACE_GGTT, "RING BUFFER HEAD"); dword_out(aub, 0); /* RING_BUFFER_HEAD */ mem_trace_memory_write_header_out(aub, ring_addr + 8192 + 28, 4, AUB_MEM_TRACE_MEMORY_ADDRESS_SPACE_GGTT, "RING BUFFER TAIL"); dword_out(aub, 16); /* RING_BUFFER_TAIL */ if (aub->devinfo.gen >= 11) { register_write_out(aub, elsq_reg, descriptor & 0xFFFFFFFF); register_write_out(aub, elsq_reg + sizeof(uint32_t), descriptor >> 32); register_write_out(aub, control_reg, 1); } else { register_write_out(aub, elsp_reg, 0); register_write_out(aub, elsp_reg, 0); register_write_out(aub, elsp_reg, descriptor >> 32); register_write_out(aub, elsp_reg, descriptor & 0xFFFFFFFF); } dword_out(aub, CMD_MEM_TRACE_REGISTER_POLL | (5 + 1 - 1)); dword_out(aub, status_reg); dword_out(aub, AUB_MEM_TRACE_REGISTER_SIZE_DWORD | AUB_MEM_TRACE_REGISTER_SPACE_MMIO); if (aub->devinfo.gen >= 11) { dword_out(aub, 0x00000001); /* mask lo */ dword_out(aub, 0x00000000); /* mask hi */ dword_out(aub, 0x00000001); } else { dword_out(aub, 0x00000010); /* mask lo */ dword_out(aub, 0x00000000); /* mask hi */ dword_out(aub, 0x00000000); } } static void aub_dump_ringbuffer(struct aub_file *aub, uint64_t batch_offset, uint64_t offset, int ring_flag) { uint32_t ringbuffer[4096]; unsigned aub_mi_bbs_len; int ring = AUB_TRACE_TYPE_RING_PRB0; /* The default ring */ int ring_count = 0; if (ring_flag == I915_EXEC_BSD) ring = AUB_TRACE_TYPE_RING_PRB1; else if (ring_flag == I915_EXEC_BLT) ring = AUB_TRACE_TYPE_RING_PRB2; /* Make a ring buffer to execute our batchbuffer. */ memset(ringbuffer, 0, sizeof(ringbuffer)); aub_mi_bbs_len = aub->addr_bits > 32 ? 3 : 2; ringbuffer[ring_count] = AUB_MI_BATCH_BUFFER_START | (aub_mi_bbs_len - 2); aub_write_reloc(&aub->devinfo, &ringbuffer[ring_count + 1], batch_offset); ring_count += aub_mi_bbs_len; /* Write out the ring. This appears to trigger execution of * the ring in the simulator. */ dword_out(aub, CMD_AUB_TRACE_HEADER_BLOCK | ((aub->addr_bits > 32 ? 6 : 5) - 2)); dword_out(aub, AUB_TRACE_MEMTYPE_GTT | ring | AUB_TRACE_OP_COMMAND_WRITE); dword_out(aub, 0); /* general/surface subtype */ dword_out(aub, offset); dword_out(aub, ring_count * 4); if (aub->addr_bits > 32) dword_out(aub, offset >> 32); data_out(aub, ringbuffer, ring_count * 4); } void aub_write_exec(struct aub_file *aub, uint64_t batch_addr, uint64_t offset, int ring_flag) { if (aub_use_execlists(aub)) { aub_dump_execlist(aub, batch_addr, ring_flag); } else { /* Dump ring buffer */ aub_dump_ringbuffer(aub, batch_addr, offset, ring_flag); } fflush(aub->file); }