struct drm_i915_private;
struct intel_guc;
+/*
+ * The first page is to save log buffer state. Allocate one
+ * extra page for others in case for overlap
+ */
+#define GUC_LOG_SIZE ((1 + GUC_LOG_DPC_PAGES + 1 + GUC_LOG_ISR_PAGES + \
+ 1 + GUC_LOG_CRASH_PAGES + 1) << PAGE_SHIFT)
+
struct intel_guc_log {
u32 flags;
struct i915_vma *vma;
struct workqueue_struct *flush_wq;
struct work_struct flush_work;
struct rchan *relay_chan;
+ /* To serialize the access to relay_chan */
+ struct mutex relay_lock;
} runtime;
/* logging related stats */
u32 capture_miss_count;
int intel_guc_log_create(struct intel_guc *guc);
void intel_guc_log_destroy(struct intel_guc *guc);
-int i915_guc_log_control(struct drm_i915_private *dev_priv, u64 control_val);
+void intel_guc_log_init_early(struct intel_guc *guc);
+int intel_guc_log_relay_create(struct intel_guc *guc);
+void intel_guc_log_relay_destroy(struct intel_guc *guc);
+int intel_guc_log_control(struct intel_guc *guc, u64 control_val);
void i915_guc_log_register(struct drm_i915_private *dev_priv);
void i915_guc_log_unregister(struct drm_i915_private *dev_priv);