diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/engine/dmaobj/base.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/core/engine/dmaobj/base.c | 73 |
1 files changed, 53 insertions, 20 deletions
diff --git a/drivers/gpu/drm/nouveau/core/engine/dmaobj/base.c b/drivers/gpu/drm/nouveau/core/engine/dmaobj/base.c index 2472c6b..e1500f7 100644 --- a/drivers/gpu/drm/nouveau/core/engine/dmaobj/base.c +++ b/drivers/gpu/drm/nouveau/core/engine/dmaobj/base.c @@ -23,9 +23,12 @@ */ #include <core/object.h> -#include <core/class.h> +#include <core/client.h> +#include <nvif/unpack.h> +#include <nvif/class.h> #include <subdev/fb.h> +#include <subdev/instmem.h> #include "priv.h" @@ -57,57 +60,87 @@ nvkm_dmaobj_create_(struct nouveau_object *parent, struct nouveau_oclass *oclass, void **pdata, u32 *psize, int length, void **pobject) { - struct nv_dma_class *args = *pdata; + union { + struct nv_dma_v0 v0; + } *args = *pdata; + struct nouveau_instmem *instmem = nouveau_instmem(parent); + struct nouveau_client *client = nouveau_client(parent); + struct nouveau_device *device = nv_device(parent); + struct nouveau_fb *pfb = nouveau_fb(parent); struct nouveau_dmaobj *dmaobj; + void *data = *pdata; + u32 size = *psize; int ret; - if (*psize < sizeof(*args)) - return -EINVAL; - *pdata = &args->conf0; - ret = nouveau_object_create_(parent, engine, oclass, 0, length, pobject); dmaobj = *pobject; if (ret) return ret; - switch (args->flags & NV_DMA_TARGET_MASK) { - case NV_DMA_TARGET_VM: + nv_ioctl(parent, "create dma size %d\n", *psize); + if (nvif_unpack(args->v0, 0, 0, true)) { + nv_ioctl(parent, "create dma vers %d target %d access %d " + "start %016llx limit %016llx\n", + args->v0.version, args->v0.target, args->v0.access, + args->v0.start, args->v0.limit); + dmaobj->target = args->v0.target; + dmaobj->access = args->v0.access; + dmaobj->start = args->v0.start; + dmaobj->limit = args->v0.limit; + } else + return ret; + + *pdata = data; + *psize = size; + + if (dmaobj->start > dmaobj->limit) + return -EINVAL; + + switch (dmaobj->target) { + case NV_DMA_V0_TARGET_VM: dmaobj->target = NV_MEM_TARGET_VM; break; - case NV_DMA_TARGET_VRAM: + case NV_DMA_V0_TARGET_VRAM: + if (!client->super) { + if (dmaobj->limit >= pfb->ram->size - instmem->reserved) + return -EACCES; + if (device->card_type >= NV_50) + return -EACCES; + } dmaobj->target = NV_MEM_TARGET_VRAM; break; - case NV_DMA_TARGET_PCI: + case NV_DMA_V0_TARGET_PCI: + if (!client->super) + return -EACCES; dmaobj->target = NV_MEM_TARGET_PCI; break; - case NV_DMA_TARGET_PCI_US: - case NV_DMA_TARGET_AGP: + case NV_DMA_V0_TARGET_PCI_US: + case NV_DMA_V0_TARGET_AGP: + if (!client->super) + return -EACCES; dmaobj->target = NV_MEM_TARGET_PCI_NOSNOOP; break; default: return -EINVAL; } - switch (args->flags & NV_DMA_ACCESS_MASK) { - case NV_DMA_ACCESS_VM: + switch (dmaobj->access) { + case NV_DMA_V0_ACCESS_VM: dmaobj->access = NV_MEM_ACCESS_VM; break; - case NV_DMA_ACCESS_RD: + case NV_DMA_V0_ACCESS_RD: dmaobj->access = NV_MEM_ACCESS_RO; break; - case NV_DMA_ACCESS_WR: + case NV_DMA_V0_ACCESS_WR: dmaobj->access = NV_MEM_ACCESS_WO; break; - case NV_DMA_ACCESS_RDWR: + case NV_DMA_V0_ACCESS_RDWR: dmaobj->access = NV_MEM_ACCESS_RW; break; default: return -EINVAL; } - dmaobj->start = args->start; - dmaobj->limit = args->limit; - dmaobj->conf0 = args->conf0; return ret; } |