linux-zen-server/drivers/gpu/drm/nouveau/nvkm/engine/fifo/cgrp.h

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2023-08-30 17:53:23 +02:00
/* 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 list_head head;
};
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