1 files changed, 79 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h
new file mode 100644
index 000000000..150999135
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h
@@ -0,0 +1,79 @@
+/* SPDX-License-Identifier: MIT */
+#ifndef __NVKM_FIFO_H__
+#define __NVKM_FIFO_H__
+#include <core/engine.h>
+#include <core/object.h>
+#include <core/event.h>
+struct nvkm_fault_data;
+
+#define NVKM_FIFO_CHID_NR 4096
+#define NVKM_FIFO_ENGN_NR 16
+
+struct nvkm_fifo_engn {
+	struct nvkm_object *object;
+	int refcount;
+	int usecount;
+};
+
+struct nvkm_fifo_chan {
+	const struct nvkm_fifo_chan_func *func;
+	struct nvkm_fifo *fifo;
+	u32 engm;
+	struct nvkm_object object;
+
+	struct list_head head;
+	u16 chid;
+	struct nvkm_gpuobj *inst;
+	struct nvkm_gpuobj *push;
+	struct nvkm_vmm *vmm;
+	u64 addr;
+	u32 size;
+
+	struct nvkm_fifo_engn engn[NVKM_FIFO_ENGN_NR];
+};
+
+struct nvkm_fifo {
+	const struct nvkm_fifo_func *func;
+	struct nvkm_engine engine;
+
+	DECLARE_BITMAP(mask, NVKM_FIFO_CHID_NR);
+	int nr;
+	struct list_head chan;
+	spinlock_t lock;
+	struct mutex mutex;
+
+	struct nvkm_event uevent; /* async user trigger */
+	struct nvkm_event kevent; /* channel killed */
+};
+
+void nvkm_fifo_fault(struct nvkm_fifo *, struct nvkm_fault_data *);
+void nvkm_fifo_pause(struct nvkm_fifo *, unsigned long *);
+void nvkm_fifo_start(struct nvkm_fifo *, unsigned long *);
+
+void nvkm_fifo_chan_put(struct nvkm_fifo *, unsigned long flags,
+			struct nvkm_fifo_chan **);
+struct nvkm_fifo_chan *
+nvkm_fifo_chan_inst(struct nvkm_fifo *, u64 inst, unsigned long *flags);
+struct nvkm_fifo_chan *
+nvkm_fifo_chan_chid(struct nvkm_fifo *, int chid, unsigned long *flags);
+
+int nv04_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
+int nv10_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
+int nv17_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
+int nv40_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
+int nv50_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
+int g84_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
+int gf100_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
+int gk104_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
+int gk110_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
+int gk208_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
+int gk20a_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
+int gm107_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
+int gm200_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
+int gm20b_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
+int gp100_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
+int gp10b_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
+int gv100_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
+int tu102_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
+int ga102_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
+#endif