| /* -*- c-basic-offset: 4 -*- */ |
| /* |
| * Copyright © 2007 Intel Corporation |
| * Copyright © 2009 Intel Corporation |
| * Copyright © 2010 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. |
| * |
| * Authors: |
| * Eric Anholt <eric@anholt.net> |
| * Carl Worth <cworth@cworth.org> |
| * Chris Wilson <chris@chris-wilson.co.uk> |
| * |
| */ |
| |
| /** @file intel_decode.c |
| * This file contains code to print out batchbuffer contents in a |
| * human-readable format. |
| * |
| * The current version only supports i915 packets, and only pretty-prints a |
| * subset of them. The intention is for it to make just a best attempt to |
| * decode, but never crash in the process. |
| */ |
| |
| #define _GNU_SOURCE |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <stdarg.h> |
| #include <string.h> |
| #include <unistd.h> |
| #include <inttypes.h> |
| #include <errno.h> |
| #include <sys/stat.h> |
| #include <err.h> |
| #include <assert.h> |
| #include <intel_bufmgr.h> |
| |
| #include "intel_chipset.h" |
| #include "intel_gpu_tools.h" |
| #include "instdone.h" |
| |
| static void |
| print_instdone (uint32_t devid, unsigned int instdone, unsigned int instdone1) |
| { |
| int i; |
| static int once; |
| |
| if (!once) { |
| init_instdone_definitions(devid); |
| once = 1; |
| } |
| |
| for (i = 0; i < num_instdone_bits; i++) { |
| int busy = 0; |
| |
| if (instdone_bits[i].reg == INST_DONE_1) { |
| if (!(instdone1 & instdone_bits[i].bit)) |
| busy = 1; |
| } else { |
| if (!(instdone & instdone_bits[i].bit)) |
| busy = 1; |
| } |
| |
| if (busy) |
| printf(" busy: %s\n", instdone_bits[i].name); |
| } |
| } |
| |
| static void |
| print_i830_pgtbl_err(unsigned int reg) |
| { |
| const char *str; |
| |
| switch((reg >> 3) & 0xf) { |
| case 0x1: str = "Overlay TLB"; break; |
| case 0x2: str = "Display A TLB"; break; |
| case 0x3: str = "Host TLB"; break; |
| case 0x4: str = "Render TLB"; break; |
| case 0x5: str = "Display C TLB"; break; |
| case 0x6: str = "Mapping TLB"; break; |
| case 0x7: str = "Command Stream TLB"; break; |
| case 0x8: str = "Vertex Buffer TLB"; break; |
| case 0x9: str = "Display B TLB"; break; |
| case 0xa: str = "Reserved System Memory"; break; |
| case 0xb: str = "Compressor TLB"; break; |
| case 0xc: str = "Binner TLB"; break; |
| default: str = "unknown"; break; |
| } |
| |
| if (str) |
| printf (" source = %s\n", str); |
| |
| switch(reg & 0x7) { |
| case 0x0: str = "Invalid GTT"; break; |
| case 0x1: str = "Invalid GTT PTE"; break; |
| case 0x2: str = "Invalid Memory"; break; |
| case 0x3: str = "Invalid TLB miss"; break; |
| case 0x4: str = "Invalid PTE data"; break; |
| case 0x5: str = "Invalid LocalMemory not present"; break; |
| case 0x6: str = "Invalid Tiling"; break; |
| case 0x7: str = "Host to CAM"; break; |
| } |
| printf (" error = %s\n", str); |
| } |
| |
| static void |
| print_i915_pgtbl_err(unsigned int reg) |
| { |
| if (reg & (1 << 29)) |
| printf (" Cursor A: Invalid GTT PTE\n"); |
| if (reg & (1 << 28)) |
| printf (" Cursor B: Invalid GTT PTE\n"); |
| if (reg & (1 << 27)) |
| printf (" MT: Invalid tiling\n"); |
| if (reg & (1 << 26)) |
| printf (" MT: Invalid GTT PTE\n"); |
| if (reg & (1 << 25)) |
| printf (" LC: Invalid tiling\n"); |
| if (reg & (1 << 24)) |
| printf (" LC: Invalid GTT PTE\n"); |
| if (reg & (1 << 23)) |
| printf (" BIN VertexData: Invalid GTT PTE\n"); |
| if (reg & (1 << 22)) |
| printf (" BIN Instruction: Invalid GTT PTE\n"); |
| if (reg & (1 << 21)) |
| printf (" CS VertexData: Invalid GTT PTE\n"); |
| if (reg & (1 << 20)) |
| printf (" CS Instruction: Invalid GTT PTE\n"); |
| if (reg & (1 << 19)) |
| printf (" CS: Invalid GTT\n"); |
| if (reg & (1 << 18)) |
| printf (" Overlay: Invalid tiling\n"); |
| if (reg & (1 << 16)) |
| printf (" Overlay: Invalid GTT PTE\n"); |
| if (reg & (1 << 14)) |
| printf (" Display C: Invalid tiling\n"); |
| if (reg & (1 << 12)) |
| printf (" Display C: Invalid GTT PTE\n"); |
| if (reg & (1 << 10)) |
| printf (" Display B: Invalid tiling\n"); |
| if (reg & (1 << 8)) |
| printf (" Display B: Invalid GTT PTE\n"); |
| if (reg & (1 << 6)) |
| printf (" Display A: Invalid tiling\n"); |
| if (reg & (1 << 4)) |
| printf (" Display A: Invalid GTT PTE\n"); |
| if (reg & (1 << 1)) |
| printf (" Host Invalid PTE data\n"); |
| if (reg & (1 << 0)) |
| printf (" Host Invalid GTT PTE\n"); |
| } |
| |
| static void |
| print_i965_pgtbl_err(unsigned int reg) |
| { |
| if (reg & (1 << 26)) |
| printf (" Invalid Sampler Cache GTT entry\n"); |
| if (reg & (1 << 24)) |
| printf (" Invalid Render Cache GTT entry\n"); |
| if (reg & (1 << 23)) |
| printf (" Invalid Instruction/State Cache GTT entry\n"); |
| if (reg & (1 << 22)) |
| printf (" There is no ROC, this cannot occur!\n"); |
| if (reg & (1 << 21)) |
| printf (" Invalid GTT entry during Vertex Fetch\n"); |
| if (reg & (1 << 20)) |
| printf (" Invalid GTT entry during Command Fetch\n"); |
| if (reg & (1 << 19)) |
| printf (" Invalid GTT entry during CS\n"); |
| if (reg & (1 << 18)) |
| printf (" Invalid GTT entry during Cursor Fetch\n"); |
| if (reg & (1 << 17)) |
| printf (" Invalid GTT entry during Overlay Fetch\n"); |
| if (reg & (1 << 8)) |
| printf (" Invalid GTT entry during Display B Fetch\n"); |
| if (reg & (1 << 4)) |
| printf (" Invalid GTT entry during Display A Fetch\n"); |
| if (reg & (1 << 1)) |
| printf (" Valid PTE references illegal memory\n"); |
| if (reg & (1 << 0)) |
| printf (" Invalid GTT entry during fetch for host\n"); |
| } |
| |
| static void |
| print_pgtbl_err(unsigned int reg, unsigned int devid) |
| { |
| if (IS_965(devid)) { |
| return print_i965_pgtbl_err(reg); |
| } else if (IS_GEN3(devid)) { |
| return print_i915_pgtbl_err(reg); |
| } else { |
| return print_i830_pgtbl_err(reg); |
| } |
| } |
| |
| static void |
| print_snb_fence(unsigned int devid, uint64_t fence) |
| { |
| printf(" %svalid, %c-tiled, pitch: %i, start: 0x%08x, size: %u\n", |
| fence & 1 ? "" : "in", |
| fence & (1<<1) ? 'y' : 'x', |
| (int)(((fence>>32)&0xfff)+1)*128, |
| (uint32_t)fence & 0xfffff000, |
| (uint32_t)(((fence>>32)&0xfffff000) - (fence&0xfffff000) + 4096)); |
| } |
| |
| static void |
| print_i965_fence(unsigned int devid, uint64_t fence) |
| { |
| printf(" %svalid, %c-tiled, pitch: %i, start: 0x%08x, size: %u\n", |
| fence & 1 ? "" : "in", |
| fence & (1<<1) ? 'y' : 'x', |
| (int)(((fence>>2)&0x1ff)+1)*128, |
| (uint32_t)fence & 0xfffff000, |
| (uint32_t)(((fence>>32)&0xfffff000) - (fence&0xfffff000) + 4096)); |
| } |
| |
| static void |
| print_i915_fence(unsigned int devid, uint64_t fence) |
| { |
| unsigned tile_width; |
| if ((fence & 12) && !IS_915(devid)) |
| tile_width = 128; |
| else |
| tile_width = 512; |
| |
| printf(" %svalid, %c-tiled, pitch: %i, start: 0x%08x, size: %i\n", |
| fence & 1 ? "" : "in", |
| fence & 12 ? 'y' : 'x', |
| (1<<((fence>>4)&0xf))*tile_width, |
| (uint32_t)fence & 0xff00000, |
| 1<<(20 + ((fence>>8)&0xf))); |
| } |
| |
| static void |
| print_i830_fence(unsigned int devid, uint64_t fence) |
| { |
| printf(" %svalid, %c-tiled, pitch: %i, start: 0x%08x, size: %i\n", |
| fence & 1 ? "" : "in", |
| fence & 12 ? 'y' : 'x', |
| (1<<((fence>>4)&0xf))*128, |
| (uint32_t)fence & 0x7f80000, |
| 1<<(19 + ((fence>>8)&0xf))); |
| } |
| |
| static void |
| print_fence(unsigned int devid, uint64_t fence) |
| { |
| if (IS_GEN6(devid) || IS_GEN7(devid)) { |
| return print_snb_fence(devid, fence); |
| } else if (IS_GEN4(devid) || IS_GEN5(devid)) { |
| return print_i965_fence(devid, fence); |
| } else if (IS_GEN3(devid)) { |
| return print_i915_fence(devid, fence); |
| } else { |
| return print_i830_fence(devid, fence); |
| } |
| } |
| |
| static void |
| read_data_file (FILE *file) |
| { |
| struct drm_intel_decode *decode_ctx = NULL; |
| uint32_t devid = PCI_CHIP_I855_GM; |
| uint32_t *data = NULL; |
| long long unsigned fence; |
| int data_size = 0, count = 0, line_number = 0, matched; |
| char *line = NULL; |
| size_t line_size; |
| uint32_t offset, value; |
| uint32_t gtt_offset = 0, new_gtt_offset; |
| const char *buffer_type[2] = { "ringbuffer", "batchbuffer" }; |
| char *ring_name = NULL; |
| int is_batch = 1; |
| |
| while (getline (&line, &line_size, file) > 0) { |
| char *dashes; |
| line_number++; |
| |
| dashes = strstr(line, "---"); |
| if (dashes) { |
| char *new_ring_name = malloc(dashes - line); |
| strncpy(new_ring_name, line, dashes - line); |
| new_ring_name[dashes - line - 1] = '\0'; |
| |
| matched = sscanf (dashes, "--- gtt_offset = 0x%08x\n", |
| &new_gtt_offset); |
| if (matched == 1) { |
| if (count) { |
| printf("%s (%s) at 0x%08x:\n", |
| buffer_type[is_batch], |
| ring_name, |
| gtt_offset); |
| drm_intel_decode_set_batch_pointer(decode_ctx, |
| data, gtt_offset, |
| count); |
| drm_intel_decode(decode_ctx); |
| count = 0; |
| } |
| gtt_offset = new_gtt_offset; |
| is_batch = 1; |
| free(ring_name); |
| ring_name = new_ring_name; |
| continue; |
| } |
| |
| matched = sscanf (dashes, "--- ringbuffer = 0x%08x\n", |
| &new_gtt_offset); |
| if (matched == 1) { |
| if (count) { |
| printf("%s (%s) at 0x%08x:\n", |
| buffer_type[is_batch], |
| ring_name, |
| gtt_offset); |
| drm_intel_decode_set_batch_pointer(decode_ctx, |
| data, gtt_offset, |
| count); |
| drm_intel_decode(decode_ctx); |
| count = 0; |
| } |
| gtt_offset = new_gtt_offset; |
| is_batch = 0; |
| free(ring_name); |
| ring_name = new_ring_name; |
| continue; |
| } |
| } |
| |
| matched = sscanf (line, "%08x : %08x", &offset, &value); |
| if (matched != 2) { |
| unsigned int reg; |
| |
| /* display reg section is after the ringbuffers, don't mix them */ |
| if (count) { |
| printf("%s (%s) at 0x%08x:\n", |
| buffer_type[is_batch], |
| ring_name, |
| gtt_offset); |
| drm_intel_decode_set_batch_pointer(decode_ctx, |
| data, gtt_offset, |
| count); |
| drm_intel_decode(decode_ctx); |
| count = 0; |
| } |
| |
| printf("%s", line); |
| |
| matched = sscanf (line, "PCI ID: 0x%04x\n", ®); |
| if (matched == 0) |
| matched = sscanf (line, " PCI ID: 0x%04x\n", ®); |
| if (matched == 0) { |
| const char *pci_id_start = strstr (line, "PCI ID"); |
| if (pci_id_start) |
| matched = sscanf (pci_id_start, "PCI ID: 0x%04x\n", ®); |
| } |
| if (matched == 1) { |
| devid = reg; |
| printf("Detected GEN%i chipset\n", |
| intel_gen(devid)); |
| |
| decode_ctx = drm_intel_decode_context_alloc(devid); |
| } |
| |
| matched = sscanf (line, " ACTHD: 0x%08x\n", ®); |
| if (matched == 1) |
| drm_intel_decode_set_head_tail(decode_ctx, reg, 0xffffffff); |
| |
| matched = sscanf (line, " PGTBL_ER: 0x%08x\n", ®); |
| if (matched == 1 && reg) |
| print_pgtbl_err(reg, devid); |
| |
| matched = sscanf (line, " INSTDONE: 0x%08x\n", ®); |
| if (matched == 1) |
| print_instdone (devid, reg, -1); |
| |
| matched = sscanf (line, " INSTDONE1: 0x%08x\n", ®); |
| if (matched == 1) |
| print_instdone (devid, -1, reg); |
| |
| matched = sscanf (line, " fence[%i] = %Lx\n", ®, &fence); |
| if (matched == 2) |
| print_fence (devid, fence); |
| |
| continue; |
| } |
| |
| count++; |
| |
| if (count > data_size) { |
| data_size = data_size ? data_size * 2 : 1024; |
| data = realloc (data, data_size * sizeof (uint32_t)); |
| if (data == NULL) { |
| fprintf (stderr, "Out of memory.\n"); |
| exit (1); |
| } |
| } |
| |
| data[count-1] = value; |
| } |
| |
| if (count) { |
| printf("%s (%s) at 0x%08x:\n", |
| buffer_type[is_batch], |
| ring_name, |
| gtt_offset); |
| drm_intel_decode_set_batch_pointer(decode_ctx, |
| data, gtt_offset, |
| count); |
| drm_intel_decode(decode_ctx); |
| } |
| |
| free (data); |
| free (line); |
| free (ring_name); |
| } |
| |
| int |
| main (int argc, char *argv[]) |
| { |
| FILE *file; |
| const char *path; |
| char *filename = NULL; |
| struct stat st; |
| int error; |
| |
| if (argc > 2) { |
| fprintf (stderr, |
| "intel_gpu_decode: Parse an Intel GPU i915_error_state\n" |
| "Usage:\n" |
| "\t%s [<file>]\n" |
| "\n" |
| "With no arguments, debugfs-dri-directory is probed for in " |
| "/debug and \n" |
| "/sys/kernel/debug. Otherwise, it may be " |
| "specified. If a file is given,\n" |
| "it is parsed as an GPU dump in the format of " |
| "/debug/dri/0/i915_error_state.\n", |
| argv[0]); |
| return 1; |
| } |
| |
| if (argc == 1) { |
| if (isatty(0)) { |
| path = "/debug/dri"; |
| error = stat (path, &st); |
| if (error != 0) { |
| path = "/sys/kernel/debug/dri"; |
| error = stat (path, &st); |
| if (error != 0) { |
| errx(1, |
| "Couldn't find i915 debugfs directory.\n\n" |
| "Is debugfs mounted? You might try mounting it with a command such as:\n\n" |
| "\tsudo mount -t debugfs debugfs /sys/kernel/debug\n"); |
| } |
| } |
| } else { |
| read_data_file(stdin); |
| exit(0); |
| } |
| } else { |
| path = argv[1]; |
| error = stat (path, &st); |
| if (error != 0) { |
| fprintf (stderr, "Error opening %s: %s\n", |
| path, strerror (errno)); |
| exit (1); |
| } |
| } |
| |
| if (S_ISDIR (st.st_mode)) { |
| int ret; |
| |
| ret = asprintf (&filename, "%s/i915_error_state", path); |
| assert(ret > 0); |
| file = fopen(filename, "r"); |
| if (!file) { |
| int minor; |
| for (minor = 0; minor < 64; minor++) { |
| free(filename); |
| ret = asprintf(&filename, "%s/%d/i915_error_state", path, minor); |
| assert(ret > 0); |
| |
| file = fopen(filename, "r"); |
| if (file) |
| break; |
| } |
| } |
| if (!file) { |
| fprintf (stderr, "Failed to find i915_error_state beneath %s\n", |
| path); |
| exit (1); |
| } |
| } else { |
| file = fopen(path, "r"); |
| if (!file) { |
| fprintf (stderr, "Failed to open %s: %s\n", |
| path, strerror (errno)); |
| exit (1); |
| } |
| } |
| |
| read_data_file (file); |
| fclose (file); |
| |
| if (filename != path) |
| free (filename); |
| |
| return 0; |
| } |