76 lines
1.9 KiB
C
76 lines
1.9 KiB
C
/* SPDX-License-Identifier: MIT */
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#ifndef __NVKM_CGRP_H__
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#define __NVKM_CGRP_H__
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#include <core/os.h>
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struct nvkm_chan;
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struct nvkm_client;
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struct nvkm_vctx {
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struct nvkm_ectx *ectx;
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struct nvkm_vmm *vmm;
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refcount_t refs;
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struct nvkm_gpuobj *inst;
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struct nvkm_vma *vma;
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struct list_head head;
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};
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struct nvkm_ectx {
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struct nvkm_engn *engn;
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refcount_t refs;
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refcount_t uses;
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struct nvkm_object *object;
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struct list_head head;
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};
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struct nvkm_cgrp {
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const struct nvkm_cgrp_func {
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void (*preempt)(struct nvkm_cgrp *);
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} *func;
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char name[64];
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struct nvkm_runl *runl;
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struct nvkm_vmm *vmm;
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bool hw;
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int id;
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struct kref kref;
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struct list_head chans;
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int chan_nr;
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spinlock_t lock; /* protects irq handler channel (group) lookup */
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struct list_head ectxs;
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struct list_head vctxs;
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struct mutex mutex;
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#define NVKM_CGRP_RC_NONE 0
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#define NVKM_CGRP_RC_PENDING 1
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#define NVKM_CGRP_RC_RUNNING 2
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atomic_t rc;
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struct list_head head;
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};
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int nvkm_cgrp_new(struct nvkm_runl *, const char *name, struct nvkm_vmm *, bool hw,
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struct nvkm_cgrp **);
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struct nvkm_cgrp *nvkm_cgrp_ref(struct nvkm_cgrp *);
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void nvkm_cgrp_unref(struct nvkm_cgrp **);
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int nvkm_cgrp_vctx_get(struct nvkm_cgrp *, struct nvkm_engn *, struct nvkm_chan *,
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struct nvkm_vctx **, struct nvkm_client *);
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void nvkm_cgrp_vctx_put(struct nvkm_cgrp *, struct nvkm_vctx **);
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void nvkm_cgrp_put(struct nvkm_cgrp **, unsigned long irqflags);
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#define nvkm_cgrp_foreach_chan(chan,cgrp) list_for_each_entry((chan), &(cgrp)->chans, head)
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#define nvkm_cgrp_foreach_chan_safe(chan,ctmp,cgrp) \
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list_for_each_entry_safe((chan), (ctmp), &(cgrp)->chans, head)
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#define CGRP_PRCLI(c,l,p,f,a...) RUNL_PRINT((c)->runl, l, p, "%04x:[%s]"f, (c)->id, (c)->name, ##a)
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#define CGRP_PRINT(c,l,p,f,a...) RUNL_PRINT((c)->runl, l, p, "%04x:"f, (c)->id, ##a)
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#define CGRP_ERROR(c,f,a...) CGRP_PRCLI((c), ERROR, err, " "f"\n", ##a)
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#define CGRP_TRACE(c,f,a...) CGRP_PRINT((c), TRACE, info, " "f"\n", ##a)
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#endif
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