5bf0257136
- Valid VRAM regions are read from GSP-RM, and used to construct our MM - BAR1/BAR2 VMMs modified to be shared with RM - Client VMMs have RM VASPACE objects created for them - Adds FBSR to backup system objects in VRAM across suspend Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230918202149.4343-37-skeggsb@gmail.com
44 lines
1.3 KiB
C
44 lines
1.3 KiB
C
/* SPDX-License-Identifier: MIT */
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#ifndef __NVKM_INSTMEM_H__
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#define __NVKM_INSTMEM_H__
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#include <core/subdev.h>
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struct nvkm_memory;
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struct nvkm_instmem {
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const struct nvkm_instmem_func *func;
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struct nvkm_subdev subdev;
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bool suspend;
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spinlock_t lock;
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struct list_head list;
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struct list_head boot;
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u32 reserved;
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/* <=nv4x: protects NV_PRAMIN/BAR2 MM
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* >=nv50: protects BAR2 MM & LRU
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*/
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struct mutex mutex;
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struct nvkm_memory *vbios;
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struct nvkm_ramht *ramht;
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struct nvkm_memory *ramro;
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struct nvkm_memory *ramfc;
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struct {
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struct sg_table fbsr;
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bool fbsr_valid;
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} rm;
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};
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u32 nvkm_instmem_rd32(struct nvkm_instmem *, u32 addr);
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void nvkm_instmem_wr32(struct nvkm_instmem *, u32 addr, u32 data);
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int nvkm_instobj_new(struct nvkm_instmem *, u32 size, u32 align, bool zero, bool preserve,
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struct nvkm_memory **);
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int nvkm_instobj_wrap(struct nvkm_device *, struct nvkm_memory *, struct nvkm_memory **);
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int nv04_instmem_new(struct nvkm_device *, enum nvkm_subdev_type, int, struct nvkm_instmem **);
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int nv40_instmem_new(struct nvkm_device *, enum nvkm_subdev_type, int, struct nvkm_instmem **);
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int nv50_instmem_new(struct nvkm_device *, enum nvkm_subdev_type, int, struct nvkm_instmem **);
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int gk20a_instmem_new(struct nvkm_device *, enum nvkm_subdev_type, int, struct nvkm_instmem **);
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#endif
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