1 files changed, 58 insertions, 9 deletions

diff --git a/drivers/gpu/drm/xe/xe_gt.h b/drivers/gpu/drm/xe/xe_gt.h
index ed6ea8057e35..187fa6490eaf 100644
--- a/drivers/gpu/drm/xe/xe_gt.h
+++ b/drivers/gpu/drm/xe/xe_gt.h
@@ -6,8 +6,11 @@
 #ifndef _XE_GT_H_
 #define _XE_GT_H_
 
+#include <linux/fault-inject.h>
+
 #include <drm/drm_util.h>
 
+#include "xe_device.h"
 #include "xe_device_types.h"
 #include "xe_hw_engine.h"
 
@@ -18,31 +21,64 @@
 
 #define CCS_MASK(gt) (((gt)->info.engine_mask & XE_HW_ENGINE_CCS_MASK) >> XE_HW_ENGINE_CCS0)
 
-#ifdef CONFIG_FAULT_INJECTION
-#include <linux/fault-inject.h> /* XXX: fault-inject.h is broken */
 extern struct fault_attr gt_reset_failure;
 static inline bool xe_fault_inject_gt_reset(void)
 {
 	return should_fail(&gt_reset_failure, 1);
 }
-#else
-static inline bool xe_fault_inject_gt_reset(void)
-{
-	return false;
-}
-#endif
 
 struct xe_gt *xe_gt_alloc(struct xe_tile *tile);
 int xe_gt_init_hwconfig(struct xe_gt *gt);
 int xe_gt_init_early(struct xe_gt *gt);
 int xe_gt_init(struct xe_gt *gt);
+void xe_gt_mmio_init(struct xe_gt *gt);
+void xe_gt_declare_wedged(struct xe_gt *gt);
 int xe_gt_record_default_lrcs(struct xe_gt *gt);
+
+/**
+ * xe_gt_record_user_engines - save data related to engines available to
+ * userspace
+ * @gt: GT structure
+ *
+ * Walk the available HW engines from gt->info.engine_mask and calculate data
+ * related to those engines that may be used by userspace. To be used whenever
+ * available engines change in runtime (e.g. with ccs_mode) or during
+ * initialization
+ */
+void xe_gt_record_user_engines(struct xe_gt *gt);
+
 void xe_gt_suspend_prepare(struct xe_gt *gt);
 int xe_gt_suspend(struct xe_gt *gt);
+void xe_gt_shutdown(struct xe_gt *gt);
 int xe_gt_resume(struct xe_gt *gt);
 void xe_gt_reset_async(struct xe_gt *gt);
 void xe_gt_sanitize(struct xe_gt *gt);
-void xe_gt_remove(struct xe_gt *gt);
+int xe_gt_sanitize_freq(struct xe_gt *gt);
+
+/**
+ * xe_gt_wait_for_reset - wait for gt's async reset to finalize.
+ * @gt: GT structure
+ * Return:
+ * %true if it waited for the work to finish execution,
+ * %false if there was no scheduled reset or it was done.
+ */
+static inline bool xe_gt_wait_for_reset(struct xe_gt *gt)
+{
+	return flush_work(&gt->reset.worker);
+}
+
+/**
+ * xe_gt_reset - perform synchronous reset
+ * @gt: GT structure
+ * Return:
+ * %true if it waited for the reset to finish,
+ * %false if there was no scheduled reset.
+ */
+static inline bool xe_gt_reset(struct xe_gt *gt)
+{
+	xe_gt_reset_async(gt);
+	return xe_gt_wait_for_reset(gt);
+}
 
 /**
  * xe_gt_any_hw_engine_by_reset_domain - scan the list of engines and return the
@@ -53,11 +89,24 @@ void xe_gt_remove(struct xe_gt *gt);
 struct xe_hw_engine *
 xe_gt_any_hw_engine_by_reset_domain(struct xe_gt *gt, enum xe_engine_class class);
 
+/**
+ * xe_gt_any_hw_engine - scan the list of engines and return the
+ * first available
+ * @gt: GT structure
+ */
+struct xe_hw_engine *xe_gt_any_hw_engine(struct xe_gt *gt);
+
 struct xe_hw_engine *xe_gt_hw_engine(struct xe_gt *gt,
 				     enum xe_engine_class class,
 				     u16 instance,
 				     bool logical);
 
+static inline bool xe_gt_has_indirect_ring_state(struct xe_gt *gt)
+{
+	return gt->info.has_indirect_ring_state &&
+	       xe_device_uc_enabled(gt_to_xe(gt));
+}
+
 static inline bool xe_gt_is_media_type(struct xe_gt *gt)
 {
 	return gt->info.type == XE_GT_TYPE_MEDIA;