76 lines · c
1/* SPDX-License-Identifier: MIT */2#ifndef __NVKM_CGRP_H__3#define __NVKM_CGRP_H__4#include <core/os.h>5struct nvkm_chan;6struct nvkm_client;7 8struct nvkm_vctx {9 struct nvkm_ectx *ectx;10 struct nvkm_vmm *vmm;11 refcount_t refs;12 13 struct nvkm_gpuobj *inst;14 struct nvkm_vma *vma;15 16 struct list_head head;17};18 19struct nvkm_ectx {20 struct nvkm_engn *engn;21 refcount_t refs;22 refcount_t uses;23 24 struct nvkm_object *object;25 26 struct list_head head;27};28 29struct nvkm_cgrp {30 const struct nvkm_cgrp_func {31 void (*preempt)(struct nvkm_cgrp *);32 } *func;33 char name[64];34 struct nvkm_runl *runl;35 struct nvkm_vmm *vmm;36 bool hw;37 int id;38 struct kref kref;39 40 struct list_head chans;41 int chan_nr;42 43 spinlock_t lock; /* protects irq handler channel (group) lookup */44 45 struct list_head ectxs;46 struct list_head vctxs;47 struct mutex mutex;48 49#define NVKM_CGRP_RC_NONE 050#define NVKM_CGRP_RC_PENDING 151#define NVKM_CGRP_RC_RUNNING 252 atomic_t rc;53 54 struct list_head head;55};56 57int nvkm_cgrp_new(struct nvkm_runl *, const char *name, struct nvkm_vmm *, bool hw,58 struct nvkm_cgrp **);59struct nvkm_cgrp *nvkm_cgrp_ref(struct nvkm_cgrp *);60void nvkm_cgrp_unref(struct nvkm_cgrp **);61int nvkm_cgrp_vctx_get(struct nvkm_cgrp *, struct nvkm_engn *, struct nvkm_chan *,62 struct nvkm_vctx **, struct nvkm_client *);63void nvkm_cgrp_vctx_put(struct nvkm_cgrp *, struct nvkm_vctx **);64 65void nvkm_cgrp_put(struct nvkm_cgrp **, unsigned long irqflags);66 67#define nvkm_cgrp_foreach_chan(chan,cgrp) list_for_each_entry((chan), &(cgrp)->chans, head)68#define nvkm_cgrp_foreach_chan_safe(chan,ctmp,cgrp) \69 list_for_each_entry_safe((chan), (ctmp), &(cgrp)->chans, head)70 71#define CGRP_PRCLI(c,l,p,f,a...) RUNL_PRINT((c)->runl, l, p, "%04x:[%s]"f, (c)->id, (c)->name, ##a)72#define CGRP_PRINT(c,l,p,f,a...) RUNL_PRINT((c)->runl, l, p, "%04x:"f, (c)->id, ##a)73#define CGRP_ERROR(c,f,a...) CGRP_PRCLI((c), ERROR, err, " "f"\n", ##a)74#define CGRP_TRACE(c,f,a...) CGRP_PRINT((c), TRACE, info, " "f"\n", ##a)75#endif76