Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
77 lines
2.3 KiB
C
77 lines
2.3 KiB
C
/* SPDX-License-Identifier: MIT
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*
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* Copyright (c) 2025, NVIDIA CORPORATION. All rights reserved.
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*/
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#ifndef __NVIF_CHAN_H__
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#define __NVIF_CHAN_H__
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#include "push.h"
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struct nvif_chan {
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const struct nvif_chan_func {
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struct {
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u32 (*read_get)(struct nvif_chan *);
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} push;
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struct {
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u32 (*read_get)(struct nvif_chan *);
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void (*push)(struct nvif_chan *, bool main, u64 addr, u32 size,
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bool no_prefetch);
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void (*kick)(struct nvif_chan *);
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int (*post)(struct nvif_chan *, u32 gpptr, u32 pbptr);
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u32 post_size;
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} gpfifo;
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struct {
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int (*release)(struct nvif_chan *, u64 addr, u32 data);
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} sem;
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} *func;
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struct {
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struct nvif_map map;
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} userd;
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struct {
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struct nvif_map map;
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u32 cur;
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u32 max;
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int free;
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} gpfifo;
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struct {
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struct nvif_map map;
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u64 addr;
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} sema;
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struct nvif_push push;
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struct nvif_user *usermode;
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u32 doorbell_token;
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};
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int nvif_chan_dma_wait(struct nvif_chan *, u32 push_nr);
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void nvif_chan_gpfifo_ctor(const struct nvif_chan_func *, void *userd, void *gpfifo, u32 gpfifo_size,
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void *push, u64 push_addr, u32 push_size, struct nvif_chan *);
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int nvif_chan_gpfifo_wait(struct nvif_chan *, u32 gpfifo_nr, u32 push_nr);
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void nvif_chan_gpfifo_push(struct nvif_chan *, u64 addr, u32 size, bool no_prefetch);
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int nvif_chan_gpfifo_post(struct nvif_chan *);
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void nvif_chan506f_gpfifo_push(struct nvif_chan *, bool main, u64 addr, u32 size, bool no_prefetch);
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void nvif_chan506f_gpfifo_kick(struct nvif_chan *);
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int nvif_chan906f_ctor_(const struct nvif_chan_func *, void *userd, void *gpfifo, u32 gpfifo_size,
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void *push, u64 push_addr, u32 push_size, void *sema, u64 sema_addr,
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struct nvif_chan *);
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u32 nvif_chan906f_read_get(struct nvif_chan *);
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u32 nvif_chan906f_gpfifo_read_get(struct nvif_chan *);
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int nvif_chan906f_gpfifo_post(struct nvif_chan *, u32 gpptr, u32 pbptr);
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int nvif_chan506f_ctor(struct nvif_chan *, void *userd, void *gpfifo, u32 gpfifo_size,
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void *push, u64 push_addr, u32 push_size);
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int nvif_chan906f_ctor(struct nvif_chan *, void *userd, void *gpfifo, u32 gpfifo_size,
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void *push, u64 push_addr, u32 push_size, void *sema, u64 sema_addr);
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int nvif_chanc36f_ctor(struct nvif_chan *, void *userd, void *gpfifo, u32 gpfifo_size,
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void *push, u64 push_addr, u32 push_size, void *sema, u64 sema_addr,
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struct nvif_user *usermode, u32 doorbell_token);
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#endif
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