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 | 157 |
1 files changed, 101 insertions, 56 deletions
diff --git a/drivers/gpu/drm/nouveau/core/engine/dmaobj/base.c b/drivers/gpu/drm/nouveau/core/engine/dmaobj/base.c index 5103e88d1877..e1500f77a56a 100644 --- a/drivers/gpu/drm/nouveau/core/engine/dmaobj/base.c +++ b/drivers/gpu/drm/nouveau/core/engine/dmaobj/base.c @@ -23,98 +23,143 @@ */ #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 <engine/dmaobj.h> +#include <subdev/instmem.h> + +#include "priv.h" static int -nouveau_dmaobj_ctor(struct nouveau_object *parent, +nvkm_dmaobj_bind(struct nouveau_dmaobj *dmaobj, struct nouveau_object *parent, + struct nouveau_gpuobj **pgpuobj) +{ + const struct nvkm_dmaeng_impl *impl = (void *) + nv_oclass(nv_object(dmaobj)->engine); + int ret = 0; + + if (nv_object(dmaobj) == parent) { /* ctor bind */ + if (nv_mclass(parent->parent) == NV_DEVICE) { + /* delayed, or no, binding */ + return 0; + } + ret = impl->bind(dmaobj, parent, pgpuobj); + if (ret == 0) + nouveau_object_ref(NULL, &parent); + return ret; + } + + return impl->bind(dmaobj, parent, pgpuobj); +} + +int +nvkm_dmaobj_create_(struct nouveau_object *parent, struct nouveau_object *engine, - struct nouveau_oclass *oclass, void *data, u32 size, - struct nouveau_object **pobject) + struct nouveau_oclass *oclass, void **pdata, u32 *psize, + int length, void **pobject) { - struct nouveau_dmaeng *dmaeng = (void *)engine; + 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; - struct nouveau_gpuobj *gpuobj; - struct nv_dma_class *args = data; + void *data = *pdata; + u32 size = *psize; int ret; - if (size < sizeof(*args)) - return -EINVAL; - - ret = nouveau_object_create(parent, engine, oclass, 0, &dmaobj); - *pobject = nv_object(dmaobj); + 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; - - switch (nv_mclass(parent)) { - case NV_DEVICE_CLASS: - /* delayed, or no, binding */ - break; - default: - ret = dmaeng->bind(dmaeng, *pobject, dmaobj, &gpuobj); - if (ret == 0) { - nouveau_object_ref(NULL, pobject); - *pobject = nv_object(gpuobj); - } - break; - } - return ret; } -static struct nouveau_ofuncs -nouveau_dmaobj_ofuncs = { - .ctor = nouveau_dmaobj_ctor, - .dtor = nouveau_object_destroy, - .init = nouveau_object_init, - .fini = nouveau_object_fini, -}; - -struct nouveau_oclass -nouveau_dmaobj_sclass[] = { - { NV_DMA_FROM_MEMORY_CLASS, &nouveau_dmaobj_ofuncs }, - { NV_DMA_TO_MEMORY_CLASS, &nouveau_dmaobj_ofuncs }, - { NV_DMA_IN_MEMORY_CLASS, &nouveau_dmaobj_ofuncs }, - {} -}; +int +_nvkm_dmaeng_ctor(struct nouveau_object *parent, struct nouveau_object *engine, + struct nouveau_oclass *oclass, void *data, u32 size, + struct nouveau_object **pobject) +{ + const struct nvkm_dmaeng_impl *impl = (void *)oclass; + struct nouveau_dmaeng *dmaeng; + int ret; + + ret = nouveau_engine_create(parent, engine, oclass, true, "DMAOBJ", + "dmaobj", &dmaeng); + *pobject = nv_object(dmaeng); + if (ret) + return ret; + + nv_engine(dmaeng)->sclass = impl->sclass; + dmaeng->bind = nvkm_dmaobj_bind; + return 0; +} |