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- 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
37 lines
1.4 KiB
C
37 lines
1.4 KiB
C
/* SPDX-License-Identifier: MIT */
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#ifndef __NVKM_BAR_H__
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#define __NVKM_BAR_H__
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#include <core/subdev.h>
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struct nvkm_vma;
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struct nvkm_bar {
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const struct nvkm_bar_func *func;
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struct nvkm_subdev subdev;
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spinlock_t lock;
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bool bar2;
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void __iomem *flushBAR2PhysMode;
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struct nvkm_memory *flushFBZero;
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void __iomem *flushBAR2;
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/* whether the BAR supports to be ioremapped WC or should be uncached */
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bool iomap_uncached;
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};
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struct nvkm_vmm *nvkm_bar_bar1_vmm(struct nvkm_device *);
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void nvkm_bar_bar1_reset(struct nvkm_device *);
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void nvkm_bar_bar2_init(struct nvkm_device *);
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void nvkm_bar_bar2_fini(struct nvkm_device *);
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void nvkm_bar_bar2_reset(struct nvkm_device *);
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struct nvkm_vmm *nvkm_bar_bar2_vmm(struct nvkm_device *);
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void nvkm_bar_flush(struct nvkm_bar *);
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int nv50_bar_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_bar **);
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int g84_bar_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_bar **);
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int gf100_bar_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_bar **);
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int gk20a_bar_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_bar **);
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int gm107_bar_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_bar **);
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int gm20b_bar_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_bar **);
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int tu102_bar_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_bar **);
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#endif
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