Merge branch 'master' into mm-hotfixes-stable

1 files changed, 173 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..3da83b233206
--- /dev/null
+++ b/drivers/gpu/drm/xe/xe_device.h
@@ -0,0 +1,173 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2021 Intel Corporation
+ */
+
+#ifndef _XE_DEVICE_H_
+#define _XE_DEVICE_H_
+
+struct xe_exec_queue;
+struct xe_file;
+
+#include <drm/drm_util.h>
+
+#include "regs/xe_gpu_commands.h"
+#include "xe_device_types.h"
+#include "xe_force_wake.h"
+#include "xe_macros.h"
+
+#ifdef CONFIG_LOCKDEP
+extern struct lockdep_map xe_device_mem_access_lockdep_map;
+#endif
+
+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_early(struct xe_device *xe);
+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_persistent_exec_queues(struct xe_device *xe, struct xe_exec_queue *q);
+void xe_device_remove_persistent_exec_queues(struct xe_device *xe,
+					     struct xe_exec_queue *q);
+
+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_tile *xe_device_get_root_tile(struct xe_device *xe)
+{
+	return &xe->tiles[0];
+}
+
+#define XE_MAX_GT_PER_TILE 2
+
+static inline struct xe_gt *xe_tile_get_gt(struct xe_tile *tile, u8 gt_id)
+{
+	if (drm_WARN_ON(&tile_to_xe(tile)->drm, gt_id > XE_MAX_GT_PER_TILE))
+		gt_id = 0;
+
+	return gt_id ? tile->media_gt : tile->primary_gt;
+}
+
+static inline struct xe_gt *xe_device_get_gt(struct xe_device *xe, u8 gt_id)
+{
+	struct xe_tile *root_tile = xe_device_get_root_tile(xe);
+	struct xe_gt *gt;
+
+	/*
+	 * FIXME: This only works for now because multi-tile and standalone
+	 * media are mutually exclusive on the platforms we have today.
+	 *
+	 * id => GT mapping may change once we settle on how we want to handle
+	 * our UAPI.
+	 */
+	if (MEDIA_VER(xe) >= 13) {
+		gt = xe_tile_get_gt(root_tile, gt_id);
+	} else {
+		if (drm_WARN_ON(&xe->drm, gt_id > XE_MAX_TILES_PER_DEVICE))
+			gt_id = 0;
+
+		gt = xe->tiles[gt_id].primary_gt;
+	}
+
+	if (!gt)
+		return NULL;
+
+	drm_WARN_ON(&xe->drm, gt->info.id != gt_id);
+	drm_WARN_ON(&xe->drm, gt->info.type == XE_GT_TYPE_UNINITIALIZED);
+
+	return gt;
+}
+
+/*
+ * Provide a GT structure suitable for performing non-GT MMIO operations against
+ * the primary tile.  Primarily intended for early tile initialization, display
+ * handling, top-most interrupt enable/disable, etc.  Since anything using the
+ * MMIO handle returned by this function doesn't need GSI offset translation,
+ * we'll return the primary GT from the root tile.
+ *
+ * FIXME: Fix the driver design so that 'gt' isn't the target of all MMIO
+ * operations.
+ *
+ * Returns the primary gt of the root tile.
+ */
+static inline struct xe_gt *xe_root_mmio_gt(struct xe_device *xe)
+{
+	return xe_device_get_root_tile(xe)->primary_gt;
+}
+
+static inline bool xe_device_uc_enabled(struct xe_device *xe)
+{
+	return !xe->info.force_execlist;
+}
+
+#define for_each_tile(tile__, xe__, id__) \
+	for ((id__) = 0; (id__) < (xe__)->info.tile_count; (id__)++) \
+		for_each_if((tile__) = &(xe__)->tiles[(id__)])
+
+#define for_each_remote_tile(tile__, xe__, id__) \
+	for ((id__) = 1; (id__) < (xe__)->info.tile_count; (id__)++) \
+		for_each_if((tile__) = &(xe__)->tiles[(id__)])
+
+/*
+ * FIXME: This only works for now since multi-tile and standalone media
+ * happen to be mutually exclusive.  Future platforms may change this...
+ */
+#define for_each_gt(gt__, xe__, id__) \
+	for ((id__) = 0; (id__) < (xe__)->info.gt_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);
+bool xe_device_mem_access_get_if_ongoing(struct xe_device *xe);
+void xe_device_mem_access_put(struct xe_device *xe);
+
+void xe_device_assert_mem_access(struct xe_device *xe);
+bool xe_device_mem_access_ongoing(struct xe_device *xe);
+
+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;
+}
+
+static inline bool xe_device_has_sriov(struct xe_device *xe)
+{
+	return xe->info.has_sriov;
+}
+
+u32 xe_device_ccs_bytes(struct xe_device *xe, u64 size);
+
+#endif