diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2014-08-10 04:10:24 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2014-08-10 05:13:24 +1000 |
| commit | 4acfd707e28c820ba8ed8c12b497413a133d8c8f (patch) | |
| tree | 4c2bd62829b85c31bc5ad656e7140ed599038163 /drivers/gpu/drm/nouveau/nouveau_abi16.c | |
| parent | b2c817031bc99d6e809fa10dcd8bf709b61d088d (diff) | |
| download | linux-next-4acfd707e28c820ba8ed8c12b497413a133d8c8f.tar.gz | |
drm/nouveau/dma: audit and version NV_DMA classes
The full object interfaces are about to be exposed to userspace, so we
need to check for any security-related issues and version the structs
to make it easier to handle any changes we may need in the future.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_abi16.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_abi16.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_abi16.c b/drivers/gpu/drm/nouveau/nouveau_abi16.c index 1e312feb12e4..0325db93a7d5 100644 --- a/drivers/gpu/drm/nouveau/nouveau_abi16.c +++ b/drivers/gpu/drm/nouveau/nouveau_abi16.c @@ -413,7 +413,7 @@ nouveau_abi16_ioctl_notifierobj_alloc(ABI16_IOCTL_ARGS) struct { struct nvif_ioctl_v0 ioctl; struct nvif_ioctl_new_v0 new; - struct nv_dma_class ctxdma; + struct nv_dma_v0 ctxdma; } args = { .ioctl.owner = NVIF_IOCTL_V0_OWNER_ANY, .ioctl.type = NVIF_IOCTL_V0_NEW, @@ -423,7 +423,7 @@ nouveau_abi16_ioctl_notifierobj_alloc(ABI16_IOCTL_ARGS) .ioctl.path[0] = NOUVEAU_ABI16_CHAN(info->channel), .new.route = NVDRM_OBJECT_ABI16, .new.handle = info->handle, - .new.oclass = NV_DMA_IN_MEMORY_CLASS, + .new.oclass = NV_DMA_IN_MEMORY, }; struct nouveau_drm *drm = nouveau_drm(dev); struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev); @@ -460,17 +460,20 @@ nouveau_abi16_ioctl_notifierobj_alloc(ABI16_IOCTL_ARGS) args.ctxdma.start = ntfy->node->offset; args.ctxdma.limit = ntfy->node->offset + ntfy->node->length - 1; if (device->info.family >= NV_DEVICE_INFO_V0_TESLA) { - args.ctxdma.flags = NV_DMA_TARGET_VM | NV_DMA_ACCESS_VM; + args.ctxdma.target = NV_DMA_V0_TARGET_VM; + args.ctxdma.access = NV_DMA_V0_ACCESS_VM; args.ctxdma.start += chan->ntfy_vma.offset; args.ctxdma.limit += chan->ntfy_vma.offset; } else if (drm->agp.stat == ENABLED) { - args.ctxdma.flags = NV_DMA_TARGET_AGP | NV_DMA_ACCESS_RDWR; + args.ctxdma.target = NV_DMA_V0_TARGET_AGP; + args.ctxdma.access = NV_DMA_V0_ACCESS_RDWR; args.ctxdma.start += drm->agp.base + chan->ntfy->bo.offset; args.ctxdma.limit += drm->agp.base + chan->ntfy->bo.offset; client->super = true; } else { - args.ctxdma.flags = NV_DMA_TARGET_VM | NV_DMA_ACCESS_RDWR; + args.ctxdma.target = NV_DMA_V0_TARGET_VM; + args.ctxdma.access = NV_DMA_V0_ACCESS_RDWR; args.ctxdma.start += chan->ntfy->bo.offset; args.ctxdma.limit += chan->ntfy->bo.offset; } |