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Merge git://proxy01.pd.intel.com:9419/git/mesa/drm into crestline

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Nian Wu 2007-03-21 17:00:43 +08:00
parent fe4cc50983 e22225416a
commit 0467ad4118
4 changed files with 42 additions and 37 deletions
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4
shared-core/nouveau_drm.h
View File

@ -25,7 +25,7 @@
#ifndef __NOUVEAU_DRM_H__ #ifndef __NOUVEAU_DRM_H__
#define __NOUVEAU_DRM_H__ #define __NOUVEAU_DRM_H__
#define NOUVEAU_DRM_HEADER_PATCHLEVEL 4 #define NOUVEAU_DRM_HEADER_PATCHLEVEL 5
typedef struct drm_nouveau_fifo_alloc { typedef struct drm_nouveau_fifo_alloc {
int channel; int channel;
@ -40,6 +40,7 @@ typedef struct drm_nouveau_fifo_alloc {
drm_nouveau_fifo_alloc_t; drm_nouveau_fifo_alloc_t;
typedef struct drm_nouveau_object_init { typedef struct drm_nouveau_object_init {
int channel;
uint32_t handle; uint32_t handle;
int class; int class;
} }
@ -49,6 +50,7 @@ drm_nouveau_object_init_t;
#define NOUVEAU_MEM_ACCESS_WO 2 #define NOUVEAU_MEM_ACCESS_WO 2
#define NOUVEAU_MEM_ACCESS_RW 3 #define NOUVEAU_MEM_ACCESS_RW 3
typedef struct drm_nouveau_dma_object_init { typedef struct drm_nouveau_dma_object_init {
int channel;
uint32_t handle; uint32_t handle;
int class; int class;
int access; int access;

4
shared-core/nouveau_drv.h
View File

@ -34,7 +34,7 @@
#define DRIVER_MAJOR 0 #define DRIVER_MAJOR 0
#define DRIVER_MINOR 0 #define DRIVER_MINOR 0
#define DRIVER_PATCHLEVEL 4 #define DRIVER_PATCHLEVEL 5
#define NOUVEAU_FAMILY 0x0000FFFF #define NOUVEAU_FAMILY 0x0000FFFF
#define NOUVEAU_FLAGS 0xFFFF0000 #define NOUVEAU_FLAGS 0xFFFF0000
@ -187,7 +187,7 @@ extern void nouveau_instmem_w32(drm_nouveau_private_t *dev_priv,
extern int nouveau_fifo_init(drm_device_t *dev); extern int nouveau_fifo_init(drm_device_t *dev);
extern int nouveau_fifo_number(drm_device_t *dev); extern int nouveau_fifo_number(drm_device_t *dev);
extern void nouveau_fifo_cleanup(drm_device_t *dev, DRMFILE filp); extern void nouveau_fifo_cleanup(drm_device_t *dev, DRMFILE filp);
extern int nouveau_fifo_id_get(drm_device_t *dev, DRMFILE filp); extern int nouveau_fifo_owner(drm_device_t *dev, DRMFILE filp, int channel);
extern void nouveau_fifo_free(drm_device_t *dev, int channel); extern void nouveau_fifo_free(drm_device_t *dev, int channel);
/* nouveau_object.c */ /* nouveau_object.c */

15
shared-core/nouveau_fifo.c
View File

@ -725,15 +725,16 @@ void nouveau_fifo_cleanup(drm_device_t* dev, DRMFILE filp)
nouveau_fifo_init(dev);*/ nouveau_fifo_init(dev);*/
} }
int nouveau_fifo_id_get(drm_device_t* dev, DRMFILE filp) int
nouveau_fifo_owner(drm_device_t *dev, DRMFILE filp, int channel)
{ {
drm_nouveau_private_t *dev_priv=dev->dev_private; drm_nouveau_private_t *dev_priv = dev->dev_private;
int i;
for(i=0;i<nouveau_fifo_number(dev);i++) if (channel >= nouveau_fifo_number(dev))
if (dev_priv->fifos[i].used && dev_priv->fifos[i].filp == filp) return 0;
return i; if (dev_priv->fifos[channel].used == 0)
return -1; return 0;
return (dev_priv->fifos[channel].filp == filp);
} }
/*********************************** /***********************************

56
shared-core/nouveau_object.c
View File

@ -475,28 +475,29 @@ int nouveau_ioctl_object_init(DRM_IOCTL_ARGS)
DRM_DEVICE; DRM_DEVICE;
drm_nouveau_object_init_t init; drm_nouveau_object_init_t init;
struct nouveau_object *obj; struct nouveau_object *obj;
int channel;
channel = nouveau_fifo_id_get(dev, filp);
if (channel == -1)
return DRM_ERR(EINVAL);
DRM_COPY_FROM_USER_IOCTL(init, (drm_nouveau_object_init_t __user *) DRM_COPY_FROM_USER_IOCTL(init, (drm_nouveau_object_init_t __user *)
data, sizeof(init)); data, sizeof(init));
//FIXME: check args, only allow trusted objects to be created if (!nouveau_fifo_owner(dev, filp, init.channel)) {
DRM_ERROR("pid %d doesn't own channel %d\n",
if (nouveau_object_handle_find(dev, channel, init.handle)) { DRM_CURRENTPID, init.channel);
DRM_ERROR("Channel %d: handle 0x%08x already exists\n",
channel, init.handle);
return DRM_ERR(EINVAL); return DRM_ERR(EINVAL);
} }
obj = nouveau_object_gr_create(dev, channel, init.class); //FIXME: check args, only allow trusted objects to be created
if (nouveau_object_handle_find(dev, init.channel, init.handle)) {
DRM_ERROR("Channel %d: handle 0x%08x already exists\n",
init.channel, init.handle);
return DRM_ERR(EINVAL);
}
obj = nouveau_object_gr_create(dev, init.channel, init.class);
if (!obj) if (!obj)
return DRM_ERR(ENOMEM); return DRM_ERR(ENOMEM);
if (nouveau_ht_object_insert(dev, channel, init.handle, obj)) { if (nouveau_ht_object_insert(dev, init.channel, init.handle, obj)) {
nouveau_object_free(dev, obj); nouveau_object_free(dev, obj);
return DRM_ERR(ENOMEM); return DRM_ERR(ENOMEM);
} }
@ -567,32 +568,33 @@ int nouveau_ioctl_dma_object_init(DRM_IOCTL_ARGS)
DRM_DEVICE; DRM_DEVICE;
drm_nouveau_dma_object_init_t init; drm_nouveau_dma_object_init_t init;
struct nouveau_object *obj; struct nouveau_object *obj;
int channel;
channel = nouveau_fifo_id_get(dev, filp);
if (channel == -1)
return DRM_ERR(EINVAL);
DRM_COPY_FROM_USER_IOCTL(init, (drm_nouveau_dma_object_init_t __user *) DRM_COPY_FROM_USER_IOCTL(init, (drm_nouveau_dma_object_init_t __user *)
data, sizeof(init)); data, sizeof(init));
if (nouveau_dma_object_check_access(dev, &init)) if (!nouveau_fifo_owner(dev, filp, init.channel)) {
return DRM_ERR(EPERM); DRM_ERROR("pid %d doesn't own channel %d\n",
DRM_CURRENTPID, init.channel);
if (nouveau_object_handle_find(dev, channel, init.handle)) {
DRM_ERROR("Channel %d: handle 0x%08x already exists\n",
channel, init.handle);
return DRM_ERR(EINVAL); return DRM_ERR(EINVAL);
} }
obj = nouveau_object_dma_create(dev, channel, init.class, if (nouveau_dma_object_check_access(dev, &init))
init.offset, init.size, return DRM_ERR(EPERM);
init.access, init.target);
if (nouveau_object_handle_find(dev, init.channel, init.handle)) {
DRM_ERROR("Channel %d: handle 0x%08x already exists\n",
init.channel, init.handle);
return DRM_ERR(EINVAL);
}
obj = nouveau_object_dma_create(dev, init.channel, init.class,
init.offset, init.size,
init.access, init.target);
if (!obj) if (!obj)
return DRM_ERR(ENOMEM); return DRM_ERR(ENOMEM);
obj->handle = init.handle; obj->handle = init.handle;
if (nouveau_ht_object_insert(dev, channel, init.handle, obj)) { if (nouveau_ht_object_insert(dev, init.channel, init.handle, obj)) {
nouveau_object_free(dev, obj); nouveau_object_free(dev, obj);
return DRM_ERR(ENOMEM); return DRM_ERR(ENOMEM);
} }