diff options
Diffstat (limited to 'intel/intel_bufmgr_gem.c')
| -rw-r--r-- | intel/intel_bufmgr_gem.c | 305 |
1 files changed, 305 insertions, 0 deletions
diff --git a/intel/intel_bufmgr_gem.c b/intel/intel_bufmgr_gem.c index ba38e503..d56593a5 100644 --- a/intel/intel_bufmgr_gem.c +++ b/intel/intel_bufmgr_gem.c @@ -58,6 +58,7 @@ #include "intel_bufmgr.h" #include "intel_bufmgr_priv.h" #include "intel_chipset.h" +#include "intel_aub.h" #include "string.h" #include "i915_drm.h" @@ -121,6 +122,9 @@ typedef struct _drm_intel_bufmgr_gem { unsigned int bo_reuse : 1; unsigned int no_exec : 1; bool fenced_relocs; + + FILE *aub_file; + uint32_t aub_offset; } drm_intel_bufmgr_gem; #define DRM_INTEL_RELOC_FENCE (1<<0) @@ -215,6 +219,8 @@ struct _drm_intel_bo_gem { /** Flags that we may need to do the SW_FINSIH ioctl on unmap. */ bool mapped_cpu_write; + + uint32_t aub_offset; }; static unsigned int @@ -1715,6 +1721,247 @@ drm_intel_update_buffer_offsets2 (drm_intel_bufmgr_gem *bufmgr_gem) } } +static void +aub_out(drm_intel_bufmgr_gem *bufmgr_gem, uint32_t data) +{ + fwrite(&data, 1, 4, bufmgr_gem->aub_file); +} + +static void +aub_out_data(drm_intel_bufmgr_gem *bufmgr_gem, void *data, size_t size) +{ + fwrite(data, 1, size, bufmgr_gem->aub_file); +} + +static void +aub_write_bo_data(drm_intel_bo *bo, uint32_t offset, uint32_t size) +{ + drm_intel_bufmgr_gem *bufmgr_gem = (drm_intel_bufmgr_gem *) bo->bufmgr; + drm_intel_bo_gem *bo_gem = (drm_intel_bo_gem *) bo; + uint32_t *data; + unsigned int i; + + data = malloc(bo->size); + drm_intel_bo_get_subdata(bo, offset, size, data); + + /* Easy mode: write out bo with no relocations */ + if (!bo_gem->reloc_count) { + aub_out_data(bufmgr_gem, data, size); + free(data); + return; + } + + /* Otherwise, handle the relocations while writing. */ + for (i = 0; i < size / 4; i++) { + int r; + for (r = 0; r < bo_gem->reloc_count; r++) { + struct drm_i915_gem_relocation_entry *reloc; + drm_intel_reloc_target *info; + + reloc = &bo_gem->relocs[r]; + info = &bo_gem->reloc_target_info[r]; + + if (reloc->offset == offset + i * 4) { + drm_intel_bo_gem *target_gem; + uint32_t val; + + target_gem = (drm_intel_bo_gem *)info->bo; + + val = reloc->delta; + val += target_gem->aub_offset; + + aub_out(bufmgr_gem, val); + data[i] = val; + break; + } + } + if (r == bo_gem->reloc_count) { + /* no relocation, just the data */ + aub_out(bufmgr_gem, data[i]); + } + } + + free(data); +} + +static void +aub_bo_get_address(drm_intel_bo *bo) +{ + drm_intel_bufmgr_gem *bufmgr_gem = (drm_intel_bufmgr_gem *) bo->bufmgr; + drm_intel_bo_gem *bo_gem = (drm_intel_bo_gem *) bo; + + /* Give the object a graphics address in the AUB file. We + * don't just use the GEM object address because we do AUB + * dumping before execution -- we want to successfully log + * when the hardware might hang, and we might even want to aub + * capture for a driver trying to execute on a different + * generation of hardware by disabling the actual kernel exec + * call. + */ + bo_gem->aub_offset = bufmgr_gem->aub_offset; + bufmgr_gem->aub_offset += bo->size; + /* XXX: Handle aperture overflow. */ + assert(bufmgr_gem->aub_offset < 256 * 1024 * 1024); +} + +static void +aub_write_trace_block(drm_intel_bo *bo, uint32_t type, uint32_t subtype, + uint32_t offset, uint32_t size) +{ + drm_intel_bufmgr_gem *bufmgr_gem = (drm_intel_bufmgr_gem *) bo->bufmgr; + drm_intel_bo_gem *bo_gem = (drm_intel_bo_gem *) bo; + + aub_out(bufmgr_gem, + CMD_AUB_TRACE_HEADER_BLOCK | + (5 - 2)); + aub_out(bufmgr_gem, + AUB_TRACE_MEMTYPE_GTT | type | AUB_TRACE_OP_DATA_WRITE); + aub_out(bufmgr_gem, subtype); + aub_out(bufmgr_gem, bo_gem->aub_offset + offset); + aub_out(bufmgr_gem, size); + aub_write_bo_data(bo, offset, size); +} + +static void +aub_write_bo(drm_intel_bo *bo) +{ + uint32_t block_size; + uint32_t offset; + + aub_bo_get_address(bo); + + /* 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. + */ + for (offset = 0; offset < bo->size; offset += block_size) { + block_size = bo->size - offset; + + if (block_size > 8 * 4096) + block_size = 8 * 4096; + + aub_write_trace_block(bo, AUB_TRACE_TYPE_NOTYPE, 0, + offset, block_size); + } +} + +/* + * Make a ringbuffer on fly and dump it + */ +static void +aub_build_dump_ringbuffer(drm_intel_bufmgr_gem *bufmgr_gem, + uint32_t batch_buffer, int ring_flag) +{ + uint32_t ringbuffer[4096]; + 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; + + /* Make a ring buffer to execute our batchbuffer. */ + memset(ringbuffer, 0, sizeof(ringbuffer)); + ringbuffer[ring_count++] = AUB_MI_BATCH_BUFFER_START; + ringbuffer[ring_count++] = batch_buffer; + + /* Write out the ring. This appears to trigger execution of + * the ring in the simulator. + */ + aub_out(bufmgr_gem, + CMD_AUB_TRACE_HEADER_BLOCK | + (5 - 2)); + aub_out(bufmgr_gem, + AUB_TRACE_MEMTYPE_GTT | ring | AUB_TRACE_OP_COMMAND_WRITE); + aub_out(bufmgr_gem, 0); /* general/surface subtype */ + aub_out(bufmgr_gem, bufmgr_gem->aub_offset); + aub_out(bufmgr_gem, ring_count * 4); + + /* FIXME: Need some flush operations here? */ + aub_out_data(bufmgr_gem, ringbuffer, ring_count * 4); + + /* Update offset pointer */ + bufmgr_gem->aub_offset += 4096; +} + +void +drm_intel_gem_bo_aub_dump_bmp(drm_intel_bo *bo, + int x1, int y1, int width, int height, + enum aub_dump_bmp_format format, + int pitch, int offset) +{ + drm_intel_bufmgr_gem *bufmgr_gem = (drm_intel_bufmgr_gem *) bo->bufmgr; + drm_intel_bo_gem *bo_gem = (drm_intel_bo_gem *)bo; + uint32_t cpp; + + switch (format) { + case AUB_DUMP_BMP_FORMAT_8BIT: + cpp = 1; + break; + case AUB_DUMP_BMP_FORMAT_ARGB_4444: + cpp = 2; + break; + case AUB_DUMP_BMP_FORMAT_ARGB_0888: + case AUB_DUMP_BMP_FORMAT_ARGB_8888: + cpp = 4; + break; + default: + printf("Unknown AUB dump format %d\n", format); + return; + } + + if (!bufmgr_gem->aub_file) + return; + + aub_out(bufmgr_gem, CMD_AUB_DUMP_BMP | 4); + aub_out(bufmgr_gem, (y1 << 16) | x1); + aub_out(bufmgr_gem, + (format << 24) | + (cpp << 19) | + pitch / 4); + aub_out(bufmgr_gem, (height << 16) | width); + aub_out(bufmgr_gem, bo_gem->aub_offset + offset); + aub_out(bufmgr_gem, + ((bo_gem->tiling_mode != I915_TILING_NONE) ? (1 << 2) : 0) | + ((bo_gem->tiling_mode == I915_TILING_Y) ? (1 << 3) : 0)); +} + +static void +aub_exec(drm_intel_bo *bo, int ring_flag, int used) +{ + drm_intel_bufmgr_gem *bufmgr_gem = (drm_intel_bufmgr_gem *) bo->bufmgr; + drm_intel_bo_gem *bo_gem = (drm_intel_bo_gem *) bo; + int i; + + if (!bufmgr_gem->aub_file) + return; + + /* Write out all but the batchbuffer to AUB memory */ + for (i = 0; i < bufmgr_gem->exec_count - 1; i++) { + if (bufmgr_gem->exec_bos[i] != bo) + aub_write_bo(bufmgr_gem->exec_bos[i]); + } + + aub_bo_get_address(bo); + + /* Dump the batchbuffer. */ + aub_write_trace_block(bo, AUB_TRACE_TYPE_BATCH, 0, + 0, used); + aub_write_trace_block(bo, AUB_TRACE_TYPE_NOTYPE, 0, + used, bo->size - used); + + /* Dump ring buffer */ + aub_build_dump_ringbuffer(bufmgr_gem, bo_gem->aub_offset, ring_flag); + + fflush(bufmgr_gem->aub_file); + + /* + * One frame has been dumped. So reset the aub_offset for the next frame. + * + * FIXME: Can we do this? + */ + bufmgr_gem->aub_offset = 0x10000; +} + static int drm_intel_gem_bo_exec(drm_intel_bo *bo, int used, drm_clip_rect_t * cliprects, int num_cliprects, int DR4) @@ -1830,6 +2077,8 @@ drm_intel_gem_bo_mrb_exec2(drm_intel_bo *bo, int used, execbuf.rsvd1 = 0; execbuf.rsvd2 = 0; + aub_exec(bo, flags, used); + if (bufmgr_gem->no_exec) goto skip_execution; @@ -2360,6 +2609,62 @@ drm_intel_bufmgr_gem_get_devid(drm_intel_bufmgr *bufmgr) } /** + * Sets up AUB dumping. + * + * This is a trace file format that can be used with the simulator. + * Packets are emitted in a format somewhat like GPU command packets. + * You can set up a GTT and upload your objects into the referenced + * space, then send off batchbuffers and get BMPs out the other end. + */ +void +drm_intel_bufmgr_gem_set_aub_dump(drm_intel_bufmgr *bufmgr, int enable) +{ + drm_intel_bufmgr_gem *bufmgr_gem = (drm_intel_bufmgr_gem *)bufmgr; + int entry = 0x200003; + int i; + int gtt_size = 0x10000; + + if (!enable) { + if (bufmgr_gem->aub_file) { + fclose(bufmgr_gem->aub_file); + bufmgr_gem->aub_file = NULL; + } + } + + if (geteuid() != getuid()) + return; + + bufmgr_gem->aub_file = fopen("intel.aub", "w+"); + if (!bufmgr_gem->aub_file) + return; + + /* Start allocating objects from just after the GTT. */ + bufmgr_gem->aub_offset = gtt_size; + + /* Start with a (required) version packet. */ + aub_out(bufmgr_gem, CMD_AUB_HEADER | (13 - 2)); + aub_out(bufmgr_gem, + (4 << AUB_HEADER_MAJOR_SHIFT) | + (0 << AUB_HEADER_MINOR_SHIFT)); + for (i = 0; i < 8; i++) { + aub_out(bufmgr_gem, 0); /* app name */ + } + aub_out(bufmgr_gem, 0); /* timestamp */ + aub_out(bufmgr_gem, 0); /* timestamp */ + aub_out(bufmgr_gem, 0); /* comment len */ + + /* Set up the GTT. The max we can handle is 256M */ + aub_out(bufmgr_gem, CMD_AUB_TRACE_HEADER_BLOCK | (5 - 2)); + aub_out(bufmgr_gem, AUB_TRACE_MEMTYPE_NONLOCAL | 0 | AUB_TRACE_OP_DATA_WRITE); + aub_out(bufmgr_gem, 0); /* subtype */ + aub_out(bufmgr_gem, 0); /* offset */ + aub_out(bufmgr_gem, gtt_size); /* size */ + for (i = 0x000; i < gtt_size; i += 4, entry += 0x1000) { + aub_out(bufmgr_gem, entry); + } +} + +/** * Initializes the GEM buffer manager, which uses the kernel to allocate, map, * and manage map buffer objections. * |