1 files changed, 70 insertions, 6 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/cgrp.h b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/cgrp.h
index d0ac60b06720..5f6abd59a6ff 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/cgrp.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/cgrp.h
@@ -1,11 +1,75 @@
-#ifndef __NVKM_FIFO_CGRP_H__
-#define __NVKM_FIFO_CGRP_H__
-#include "priv.h"
+/* SPDX-License-Identifier: MIT */
+#ifndef __NVKM_CGRP_H__
+#define __NVKM_CGRP_H__
+#include <core/os.h>
+struct nvkm_chan;
+struct nvkm_client;
+
+struct nvkm_vctx {
+	struct nvkm_ectx *ectx;
+	struct nvkm_vmm *vmm;
+	refcount_t refs;
+
+	struct nvkm_gpuobj *inst;
+	struct nvkm_vma *vma;
 
-struct nvkm_fifo_cgrp {
-	int id;
 	struct list_head head;
-	struct list_head chan;
+};
+
+struct nvkm_ectx {
+	struct nvkm_engn *engn;
+	refcount_t refs;
+	refcount_t uses;
+
+	struct nvkm_object *object;
+
+	struct list_head head;
+};
+
+struct nvkm_cgrp {
+	const struct nvkm_cgrp_func {
+		void (*preempt)(struct nvkm_cgrp *);
+	} *func;
+	char name[64];
+	struct nvkm_runl *runl;
+	struct nvkm_vmm *vmm;
+	bool hw;
+	int id;
+	struct kref kref;
+
+	struct list_head chans;
 	int chan_nr;
+
+	spinlock_t lock; /* protects irq handler channel (group) lookup */
+
+	struct list_head ectxs;
+	struct list_head vctxs;
+	struct mutex mutex;
+
+#define NVKM_CGRP_RC_NONE    0
+#define NVKM_CGRP_RC_PENDING 1
+#define NVKM_CGRP_RC_RUNNING 2
+	atomic_t rc;
+
+	struct list_head head;
 };
+
+int nvkm_cgrp_new(struct nvkm_runl *, const char *name, struct nvkm_vmm *, bool hw,
+		  struct nvkm_cgrp **);
+struct nvkm_cgrp *nvkm_cgrp_ref(struct nvkm_cgrp *);
+void nvkm_cgrp_unref(struct nvkm_cgrp **);
+int nvkm_cgrp_vctx_get(struct nvkm_cgrp *, struct nvkm_engn *, struct nvkm_chan *,
+		       struct nvkm_vctx **, struct nvkm_client *);
+void nvkm_cgrp_vctx_put(struct nvkm_cgrp *, struct nvkm_vctx **);
+
+void nvkm_cgrp_put(struct nvkm_cgrp **, unsigned long irqflags);
+
+#define nvkm_cgrp_foreach_chan(chan,cgrp) list_for_each_entry((chan), &(cgrp)->chans, head)
+#define nvkm_cgrp_foreach_chan_safe(chan,ctmp,cgrp) \
+	list_for_each_entry_safe((chan), (ctmp), &(cgrp)->chans, head)
+
+#define CGRP_PRCLI(c,l,p,f,a...) RUNL_PRINT((c)->runl, l, p, "%04x:[%s]"f, (c)->id, (c)->name, ##a)
+#define CGRP_PRINT(c,l,p,f,a...) RUNL_PRINT((c)->runl, l, p, "%04x:"f, (c)->id, ##a)
+#define CGRP_ERROR(c,f,a...) CGRP_PRCLI((c), ERROR,    err, " "f"\n", ##a)
+#define CGRP_TRACE(c,f,a...) CGRP_PRINT((c), TRACE,   info, " "f"\n", ##a)
 #endif