1 /* SPDX-License-Identifier: MIT */ 2 #ifndef __NVKM_CGRP_H__ 3 #define __NVKM_CGRP_H__ 4 #include <core/os.h> 5 struct nvkm_chan; 6 struct nvkm_client; 7 8 struct 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 19 struct 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 29 struct 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 0 50 #define NVKM_CGRP_RC_PENDING 1 51 #define NVKM_CGRP_RC_RUNNING 2 52 atomic_t rc; 53 54 struct list_head head; 55 }; 56 57 int nvkm_cgrp_new(struct nvkm_runl *, const char *name, struct nvkm_vmm *, bool hw, 58 struct nvkm_cgrp **); 59 struct nvkm_cgrp *nvkm_cgrp_ref(struct nvkm_cgrp *); 60 void nvkm_cgrp_unref(struct nvkm_cgrp **); 61 int nvkm_cgrp_vctx_get(struct nvkm_cgrp *, struct nvkm_engn *, struct nvkm_chan *, 62 struct nvkm_vctx **, struct nvkm_client *); 63 void nvkm_cgrp_vctx_put(struct nvkm_cgrp *, struct nvkm_vctx **); 64 65 void 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 #endif 76