1 files changed, 126 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_device.h b/drivers/gpu/drm/xe/xe_device.h
new file mode 100644
index 000000000000..88d55671b068
--- /dev/null
+++ b/drivers/gpu/drm/xe/xe_device.h
@@ -0,0 +1,126 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2021 Intel Corporation
+ */
+
+#ifndef _XE_DEVICE_H_
+#define _XE_DEVICE_H_
+
+struct xe_engine;
+struct xe_file;
+
+#include <drm/drm_util.h>
+
+#include "xe_device_types.h"
+#include "xe_macros.h"
+#include "xe_force_wake.h"
+
+#include "gt/intel_gpu_commands.h"
+
+static inline struct xe_device *to_xe_device(const struct drm_device *dev)
+{
+	return container_of(dev, struct xe_device, drm);
+}
+
+static inline struct xe_device *pdev_to_xe_device(struct pci_dev *pdev)
+{
+	return pci_get_drvdata(pdev);
+}
+
+static inline struct xe_device *ttm_to_xe_device(struct ttm_device *ttm)
+{
+	return container_of(ttm, struct xe_device, ttm);
+}
+
+struct xe_device *xe_device_create(struct pci_dev *pdev,
+				   const struct pci_device_id *ent);
+int xe_device_probe(struct xe_device *xe);
+void xe_device_remove(struct xe_device *xe);
+void xe_device_shutdown(struct xe_device *xe);
+
+void xe_device_add_persitent_engines(struct xe_device *xe, struct xe_engine *e);
+void xe_device_remove_persitent_engines(struct xe_device *xe,
+					struct xe_engine *e);
+
+void xe_device_wmb(struct xe_device *xe);
+
+static inline struct xe_file *to_xe_file(const struct drm_file *file)
+{
+	return file->driver_priv;
+}
+
+static inline struct xe_gt *xe_device_get_gt(struct xe_device *xe, u8 gt_id)
+{
+	struct xe_gt *gt;
+
+	XE_BUG_ON(gt_id > XE_MAX_GT);
+	gt = xe->gt + gt_id;
+	XE_BUG_ON(gt->info.id != gt_id);
+	XE_BUG_ON(gt->info.type == XE_GT_TYPE_UNINITIALIZED);
+
+	return gt;
+}
+
+/*
+ * FIXME: Placeholder until multi-gt lands. Once that lands, kill this function.
+ */
+static inline struct xe_gt *to_gt(struct xe_device *xe)
+{
+	return xe->gt;
+}
+
+static inline bool xe_device_guc_submission_enabled(struct xe_device *xe)
+{
+	return xe->info.enable_guc;
+}
+
+static inline void xe_device_guc_submission_disable(struct xe_device *xe)
+{
+	xe->info.enable_guc = false;
+}
+
+#define for_each_gt(gt__, xe__, id__) \
+	for ((id__) = 0; (id__) < (xe__)->info.tile_count; (id__++)) \
+		for_each_if ((gt__) = xe_device_get_gt((xe__), (id__)))
+
+static inline struct xe_force_wake * gt_to_fw(struct xe_gt *gt)
+{
+	return &gt->mmio.fw;
+}
+
+void xe_device_mem_access_get(struct xe_device *xe);
+void xe_device_mem_access_put(struct xe_device *xe);
+
+static inline void xe_device_assert_mem_access(struct xe_device *xe)
+{
+	XE_WARN_ON(!xe->mem_access.ref);
+}
+
+static inline bool xe_device_mem_access_ongoing(struct xe_device *xe)
+{
+	bool ret;
+
+	mutex_lock(&xe->mem_access.lock);
+	ret = xe->mem_access.ref;
+	mutex_unlock(&xe->mem_access.lock);
+
+	return ret;
+}
+
+static inline bool xe_device_in_fault_mode(struct xe_device *xe)
+{
+	return xe->usm.num_vm_in_fault_mode != 0;
+}
+
+static inline bool xe_device_in_non_fault_mode(struct xe_device *xe)
+{
+	return xe->usm.num_vm_in_non_fault_mode != 0;
+}
+
+static inline bool xe_device_has_flat_ccs(struct xe_device *xe)
+{
+	return xe->info.has_flat_ccs;
+}
+
+u32 xe_device_ccs_bytes(struct xe_device *xe, u64 size);
+#endif