diff options
| author |   Ben Skeggs <bskeggs@redhat.com> | 2017-11-01 03:56:19 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2017-11-02 13:32:30 +1000 |
| commit | f9400afb1e11c33830bd99a0c9fafe3f4d07a7cc (patch) | |
| tree | ed87a28425687111ecdbc16d02857ff1a11b16c0 /drivers/gpu/drm/nouveau/include | |
| parent | drm/nouveau/mmu/gm200,gm20b: implement new vmm backend (diff) | |
| download | linux-dev-f9400afb1e11c33830bd99a0c9fafe3f4d07a7cc.tar.xz linux-dev-f9400afb1e11c33830bd99a0c9fafe3f4d07a7cc.zip | |
drm/nouveau/mmu/gp100,gp10b: implement new vmm backend
Adds support for:
- 64KiB/2MiB big page sizes (128KiB not supported by HW with new PT layout).
- System-memory PTs.
- LPTE "invalid" state.
- (Tegra) Use of video memory aperture.
- Sparse PDEs/PTEs.
- Additional blocklinear kinds.
- 49-bit address-space.
GP100 supports an entirely new 5-level page table layout that provides
an expanded 49-bit address-space. It also supports the layout present
on previous generations, which we've been making do with until now.
This commit implements support for the new layout, and enables it by
default.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/include')
| -rw-r--r-- | drivers/gpu/drm/nouveau/include/nvif/ifc00d.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvif/ifc00d.h b/drivers/gpu/drm/nouveau/include/nvif/ifc00d.h index 39be62ca7339..1d9c637859f3 100644 --- a/drivers/gpu/drm/nouveau/include/nvif/ifc00d.h +++ b/drivers/gpu/drm/nouveau/include/nvif/ifc00d.h @@ -5,4 +5,17 @@ struct gp100_vmm_vn { /* nvif_vmm_vX ... */ }; + +struct gp100_vmm_map_vn { + /* nvif_vmm_map_vX ... */ +}; + +struct gp100_vmm_map_v0 { + /* nvif_vmm_map_vX ... */ + __u8 version; + __u8 vol; + __u8 ro; + __u8 priv; + __u8 kind; +}; #endif |