#include "intel_guc_capture.h"
#include "intel_guc_log.h"
+#if defined(CONFIG_DRM_I915_DEBUG_GUC)
+#define GUC_LOG_DEFAULT_CRASH_BUFFER_SIZE SZ_2M
+#define GUC_LOG_DEFAULT_DEBUG_BUFFER_SIZE SZ_16M
+#define GUC_LOG_DEFAULT_CAPTURE_BUFFER_SIZE SZ_4M
+#elif defined(CONFIG_DRM_I915_DEBUG_GEM)
+#define GUC_LOG_DEFAULT_CRASH_BUFFER_SIZE SZ_1M
+#define GUC_LOG_DEFAULT_DEBUG_BUFFER_SIZE SZ_2M
+#define GUC_LOG_DEFAULT_CAPTURE_BUFFER_SIZE SZ_4M
+#else
+#define GUC_LOG_DEFAULT_CRASH_BUFFER_SIZE SZ_8K
+#define GUC_LOG_DEFAULT_DEBUG_BUFFER_SIZE SZ_64K
+#define GUC_LOG_DEFAULT_CAPTURE_BUFFER_SIZE SZ_2M
+#endif
+
static void guc_log_copy_debuglogs_for_relay(struct intel_guc_log *log);
+struct guc_log_section {
+ u32 max;
+ u32 flag;
+ u32 default_val;
+ const char *name;
+};
+
+static s32 scale_log_param(struct intel_guc_log *log, const struct guc_log_section *section,
+ s32 param)
+{
+ /* -1 means default */
+ if (param < 0)
+ return section->default_val;
+
+ /* Check for 32-bit overflow */
+ if (param >= SZ_4K) {
+ drm_err(&guc_to_gt(log_to_guc(log))->i915->drm, "Size too large for GuC %s log: %dMB!",
+ section->name, param);
+ return section->default_val;
+ }
+
+ /* Param units are 1MB */
+ return param * SZ_1M;
+}
+
+static void _guc_log_init_sizes(struct intel_guc_log *log)
+{
+ struct intel_guc *guc = log_to_guc(log);
+ struct drm_i915_private *i915 = guc_to_gt(guc)->i915;
+ static const struct guc_log_section sections[GUC_LOG_SECTIONS_LIMIT] = {
+ {
+ GUC_LOG_CRASH_MASK >> GUC_LOG_CRASH_SHIFT,
+ GUC_LOG_LOG_ALLOC_UNITS,
+ GUC_LOG_DEFAULT_CRASH_BUFFER_SIZE,
+ "crash dump"
+ },
+ {
+ GUC_LOG_DEBUG_MASK >> GUC_LOG_DEBUG_SHIFT,
+ GUC_LOG_LOG_ALLOC_UNITS,
+ GUC_LOG_DEFAULT_DEBUG_BUFFER_SIZE,
+ "debug",
+ },
+ {
+ GUC_LOG_CAPTURE_MASK >> GUC_LOG_CAPTURE_SHIFT,
+ GUC_LOG_CAPTURE_ALLOC_UNITS,
+ GUC_LOG_DEFAULT_CAPTURE_BUFFER_SIZE,
+ "capture",
+ }
+ };
+ s32 params[GUC_LOG_SECTIONS_LIMIT] = {
+ GUC_LOG_DEFAULT_CRASH_BUFFER_SIZE / SZ_1M,
+ GUC_LOG_DEFAULT_DEBUG_BUFFER_SIZE / SZ_1M,
+ GUC_LOG_DEFAULT_CAPTURE_BUFFER_SIZE / SZ_1M,
+ };
+ int i;
+
+ for (i = 0; i < GUC_LOG_SECTIONS_LIMIT; i++)
+ log->sizes[i].bytes = scale_log_param(log, sections + i, params[i]);
+
+ /* If debug size > 1MB then bump default crash size to keep the same units */
+ if (log->sizes[GUC_LOG_SECTIONS_DEBUG].bytes >= SZ_1M &&
+ GUC_LOG_DEFAULT_CRASH_BUFFER_SIZE < SZ_1M)
+ log->sizes[GUC_LOG_SECTIONS_CRASH].bytes = SZ_1M;
+
+ /* Prepare the GuC API structure fields: */
+ for (i = 0; i < GUC_LOG_SECTIONS_LIMIT; i++) {
+ /* Convert to correct units */
+ if ((log->sizes[i].bytes % SZ_1M) == 0) {
+ log->sizes[i].units = SZ_1M;
+ log->sizes[i].flag = sections[i].flag;
+ } else {
+ log->sizes[i].units = SZ_4K;
+ log->sizes[i].flag = 0;
+ }
+
+ if (!IS_ALIGNED(log->sizes[i].bytes, log->sizes[i].units))
+ drm_err(&i915->drm, "Mis-aligned GuC log %s size: 0x%X vs 0x%X!",
+ sections[i].name, log->sizes[i].bytes, log->sizes[i].units);
+ log->sizes[i].count = log->sizes[i].bytes / log->sizes[i].units;
+
+ if (!log->sizes[i].count) {
+ drm_err(&i915->drm, "Zero GuC log %s size!", sections[i].name);
+ } else {
+ /* Size is +1 unit */
+ log->sizes[i].count--;
+ }
+
+ /* Clip to field size */
+ if (log->sizes[i].count > sections[i].max) {
+ drm_err(&i915->drm, "GuC log %s size too large: %d vs %d!",
+ sections[i].name, log->sizes[i].count + 1, sections[i].max + 1);
+ log->sizes[i].count = sections[i].max;
+ }
+ }
+
+ if (log->sizes[GUC_LOG_SECTIONS_CRASH].units != log->sizes[GUC_LOG_SECTIONS_DEBUG].units) {
+ drm_err(&i915->drm, "Unit mis-match for GuC log crash and debug sections: %d vs %d!",
+ log->sizes[GUC_LOG_SECTIONS_CRASH].units,
+ log->sizes[GUC_LOG_SECTIONS_DEBUG].units);
+ log->sizes[GUC_LOG_SECTIONS_CRASH].units = log->sizes[GUC_LOG_SECTIONS_DEBUG].units;
+ log->sizes[GUC_LOG_SECTIONS_CRASH].count = 0;
+ }
+
+ log->sizes_initialised = true;
+}
+
+static void guc_log_init_sizes(struct intel_guc_log *log)
+{
+ if (log->sizes_initialised)
+ return;
+
+ _guc_log_init_sizes(log);
+}
+
+static u32 intel_guc_log_section_size_crash(struct intel_guc_log *log)
+{
+ guc_log_init_sizes(log);
+
+ return log->sizes[GUC_LOG_SECTIONS_CRASH].bytes;
+}
+
+static u32 intel_guc_log_section_size_debug(struct intel_guc_log *log)
+{
+ guc_log_init_sizes(log);
+
+ return log->sizes[GUC_LOG_SECTIONS_DEBUG].bytes;
+}
+
+u32 intel_guc_log_section_size_capture(struct intel_guc_log *log)
+{
+ guc_log_init_sizes(log);
+
+ return log->sizes[GUC_LOG_SECTIONS_CAPTURE].bytes;
+}
+
+static u32 intel_guc_log_size(struct intel_guc_log *log)
+{
+ /*
+ * GuC Log buffer Layout:
+ *
+ * NB: Ordering must follow "enum guc_log_buffer_type".
+ *
+ * +===============================+ 00B
+ * | Debug state header |
+ * +-------------------------------+ 32B
+ * | Crash dump state header |
+ * +-------------------------------+ 64B
+ * | Capture state header |
+ * +-------------------------------+ 96B
+ * | |
+ * +===============================+ PAGE_SIZE (4KB)
+ * | Debug logs |
+ * +===============================+ + DEBUG_SIZE
+ * | Crash Dump logs |
+ * +===============================+ + CRASH_SIZE
+ * | Capture logs |
+ * +===============================+ + CAPTURE_SIZE
+ */
+ return PAGE_SIZE +
+ intel_guc_log_section_size_crash(log) +
+ intel_guc_log_section_size_debug(log) +
+ intel_guc_log_section_size_capture(log);
+}
+
/**
* DOC: GuC firmware log
*
smp_wmb();
/* All data has been written, so now move the offset of sub buffer. */
- relay_reserve(log->relay.channel, log->vma->obj->base.size - CAPTURE_BUFFER_SIZE);
+ relay_reserve(log->relay.channel, log->vma->obj->base.size -
+ intel_guc_log_section_size_capture(log));
/* Switch to the next sub buffer */
relay_flush(log->relay.channel);
return overflow;
}
-unsigned int intel_guc_get_log_buffer_size(enum guc_log_buffer_type type)
+unsigned int intel_guc_get_log_buffer_size(struct intel_guc_log *log,
+ enum guc_log_buffer_type type)
{
switch (type) {
case GUC_DEBUG_LOG_BUFFER:
- return DEBUG_BUFFER_SIZE;
+ return intel_guc_log_section_size_debug(log);
case GUC_CRASH_DUMP_LOG_BUFFER:
- return CRASH_BUFFER_SIZE;
+ return intel_guc_log_section_size_crash(log);
case GUC_CAPTURE_LOG_BUFFER:
- return CAPTURE_BUFFER_SIZE;
+ return intel_guc_log_section_size_capture(log);
default:
MISSING_CASE(type);
}
return 0;
}
-size_t intel_guc_get_log_buffer_offset(enum guc_log_buffer_type type)
+size_t intel_guc_get_log_buffer_offset(struct intel_guc_log *log,
+ enum guc_log_buffer_type type)
{
enum guc_log_buffer_type i;
size_t offset = PAGE_SIZE;/* for the log_buffer_states */
for (i = GUC_DEBUG_LOG_BUFFER; i < GUC_MAX_LOG_BUFFER; ++i) {
if (i == type)
break;
- offset += intel_guc_get_log_buffer_size(i);
+ offset += intel_guc_get_log_buffer_size(log, i);
}
return offset;
*/
memcpy(&log_buf_state_local, log_buf_state,
sizeof(struct guc_log_buffer_state));
- buffer_size = intel_guc_get_log_buffer_size(type);
+ buffer_size = intel_guc_get_log_buffer_size(log, type);
read_offset = log_buf_state_local.read_ptr;
write_offset = log_buf_state_local.sampled_write_ptr;
full_cnt = log_buf_state_local.buffer_full_cnt;
* Keep the size of sub buffers same as shared log buffer
* but GuC log-events excludes the error-state-capture logs
*/
- subbuf_size = log->vma->size - CAPTURE_BUFFER_SIZE;
+ subbuf_size = log->vma->size - intel_guc_log_section_size_capture(log);
/*
* Store up to 8 snapshots, which is large enough to buffer sufficient
GEM_BUG_ON(log->vma);
- /*
- * GuC Log buffer Layout
- * (this ordering must follow "enum guc_log_buffer_type" definition)
- *
- * +===============================+ 00B
- * | Debug state header |
- * +-------------------------------+ 32B
- * | Crash dump state header |
- * +-------------------------------+ 64B
- * | Capture state header |
- * +-------------------------------+ 96B
- * | |
- * +===============================+ PAGE_SIZE (4KB)
- * | Debug logs |
- * +===============================+ + DEBUG_SIZE
- * | Crash Dump logs |
- * +===============================+ + CRASH_SIZE
- * | Capture logs |
- * +===============================+ + CAPTURE_SIZE
- */
- if (intel_guc_capture_output_min_size_est(guc) > CAPTURE_BUFFER_SIZE)
- DRM_WARN("GuC log buffer for state_capture maybe too small. %d < %d\n",
- CAPTURE_BUFFER_SIZE, intel_guc_capture_output_min_size_est(guc));
-
- guc_log_size = PAGE_SIZE + CRASH_BUFFER_SIZE + DEBUG_BUFFER_SIZE +
- CAPTURE_BUFFER_SIZE;
+ guc_log_size = intel_guc_log_size(log);
vma = intel_guc_allocate_vma(guc, guc_log_size);
if (IS_ERR(vma)) {
struct intel_guc *guc = log_to_guc(log);
struct intel_uc *uc = container_of(guc, struct intel_uc, guc);
struct drm_i915_gem_object *obj = NULL;
- u32 *map;
- int i = 0;
+ void *map;
+ u32 *page;
+ int i, j;
if (!intel_guc_is_supported(guc))
return -ENODEV;
if (!obj)
return 0;
+ page = (u32 *)__get_free_page(GFP_KERNEL);
+ if (!page)
+ return -ENOMEM;
+
+ intel_guc_dump_time_info(guc, p);
+
map = i915_gem_object_pin_map_unlocked(obj, I915_MAP_WC);
if (IS_ERR(map)) {
DRM_DEBUG("Failed to pin object\n");
drm_puts(p, "(log data unaccessible)\n");
+ free_page((unsigned long)page);
return PTR_ERR(map);
}
- for (i = 0; i < obj->base.size / sizeof(u32); i += 4)
- drm_printf(p, "0x%08x 0x%08x 0x%08x 0x%08x\n",
- *(map + i), *(map + i + 1),
- *(map + i + 2), *(map + i + 3));
+ for (i = 0; i < obj->base.size; i += PAGE_SIZE) {
+ if (!i915_memcpy_from_wc(page, map + i, PAGE_SIZE))
+ memcpy(page, map + i, PAGE_SIZE);
+
+ for (j = 0; j < PAGE_SIZE / sizeof(u32); j += 4)
+ drm_printf(p, "0x%08x 0x%08x 0x%08x 0x%08x\n",
+ *(page + j + 0), *(page + j + 1),
+ *(page + j + 2), *(page + j + 3));
+ }
drm_puts(p, "\n");
i915_gem_object_unpin_map(obj);
+ free_page((unsigned long)page);
return 0;
}
git.samba.org / sfrench / cifs-2.6.git / blobdiff