linux/drivers/gpu/drm/nouveau/nouveau_chan.h
Ben Skeggs bbf8906b2c drm/nouveau/fifo: audit and version fifo channel 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>
2014-08-10 05:28:04 +10:00

51 lines
918 B
C

#ifndef __NOUVEAU_CHAN_H__
#define __NOUVEAU_CHAN_H__
#include <nvif/object.h>
struct nvif_device;
struct nouveau_channel {
struct nvif_device *device;
struct nouveau_drm *drm;
int chid;
struct nvif_object vram;
struct nvif_object gart;
struct nvif_object nvsw;
struct {
struct nouveau_bo *buffer;
struct nouveau_vma vma;
struct nvif_object ctxdma;
} push;
/* TODO: this will be reworked in the near future */
bool accel_done;
void *fence;
struct {
int max;
int free;
int cur;
int put;
int ib_base;
int ib_max;
int ib_free;
int ib_put;
} dma;
u32 user_get_hi;
u32 user_get;
u32 user_put;
struct nvif_object *object;
};
int nouveau_channel_new(struct nouveau_drm *, struct nvif_device *,
u32 handle, u32 arg0, u32 arg1,
struct nouveau_channel **);
void nouveau_channel_del(struct nouveau_channel **);
int nouveau_channel_idle(struct nouveau_channel *);
#endif