1 files changed, 99 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..221abd6c4
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h
@@ -0,0 +1,99 @@
+/* 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_ENGN_NR 16
+
+struct nvkm_chan {
+	const struct nvkm_chan_func *func;
+	char name[64];
+	struct nvkm_cgrp *cgrp;
+	int runq;
+
+	struct nvkm_gpuobj *inst;
+	struct nvkm_vmm *vmm;
+	struct nvkm_gpuobj *push;
+	int id;
+
+	struct {
+		struct nvkm_memory *mem;
+		u32 base;
+	} userd;
+
+	u32 ramfc_offset;
+	struct nvkm_gpuobj *ramfc;
+	struct nvkm_gpuobj *cache;
+	struct nvkm_gpuobj *eng;
+	struct nvkm_gpuobj *pgd;
+	struct nvkm_ramht *ramht;
+
+	spinlock_t lock;
+	atomic_t blocked;
+	atomic_t errored;
+
+	struct list_head cctxs;
+	struct list_head head;
+};
+
+struct nvkm_chan *nvkm_chan_get_chid(struct nvkm_engine *, int id, unsigned long *irqflags);
+struct nvkm_chan *nvkm_chan_get_inst(struct nvkm_engine *, u64 inst, unsigned long *irqflags);
+void nvkm_chan_put(struct nvkm_chan **, unsigned long irqflags);
+
+struct nvkm_fifo {
+	const struct nvkm_fifo_func *func;
+	struct nvkm_engine engine;
+
+	struct nvkm_chid *chid;
+	struct nvkm_chid *cgid;
+
+	struct list_head runqs;
+	struct list_head runls;
+
+	struct {
+#define NVKM_FIFO_NONSTALL_EVENT BIT(0)
+		struct nvkm_event event;
+		struct nvkm_inth intr;
+	} nonstall;
+
+	struct {
+		u32 chan_msec;
+	} timeout;
+
+	struct {
+		struct nvkm_memory *mem;
+		struct nvkm_vma *bar1;
+	} userd;
+
+	spinlock_t lock;
+	struct mutex mutex;
+};
+
+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 *);
+bool nvkm_fifo_ctxsw_in_progress(struct nvkm_engine *);
+
+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 g98_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 gp100_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 ga100_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