int sis_fb_alloc( DRM_IOCTL_ARGS )
{
drm_sis_mem_t fb;
struct sis_memreq req;
int retval = 0;
DRM_COPY_FROM_USER_IOCTL(fb, (drm_sis_mem_t *)data, sizeof(fb));
req.size = fb.size;
sis_malloc(&req);
if (req.offset) {
/* TODO */
fb.offset = req.offset;
fb.free = req.offset;
if (!add_alloc_set(fb.context, VIDEO_TYPE, fb.free)) {
DRM_DEBUG("adding to allocation set fails\n");
sis_free(req.offset);
retval = DRM_ERR(EINVAL);
}
} else {
fb.offset = 0;
fb.size = 0;
fb.free = 0;
}
DRM_COPY_TO_USER_IOCTL((drm_sis_mem_t *)data, fb, sizeof(fb));
DRM_DEBUG("alloc fb, size = %d, offset = %ld\n", fb.size, req.offset);
return retval;
}
int sis_ioctl_agp_alloc( DRM_IOCTL_ARGS )
{
DRM_DEVICE;
drm_sis_private_t *dev_priv = dev->dev_private;
drm_sis_mem_t agp;
PMemBlock block;
int retval = 0;
if (dev_priv == NULL || dev_priv->AGPHeap == NULL)
return DRM_ERR(EINVAL);
DRM_COPY_FROM_USER_IOCTL(agp, (drm_sis_mem_t *)data, sizeof(agp));
block = mmAllocMem(dev_priv->AGPHeap, agp.size, 0, 0);
if (block) {
/* TODO */
agp.offset = block->ofs;
agp.free = (unsigned long)block;
if (!add_alloc_set(agp.context, AGP_TYPE, agp.free)) {
DRM_DEBUG("adding to allocation set fails\n");
mmFreeMem((PMemBlock)agp.free);
retval = -1;
}
} else {
agp.offset = 0;
agp.size = 0;
agp.free = 0;
}
DRM_COPY_TO_USER_IOCTL((drm_sis_mem_t *)data, agp, sizeof(agp));
DRM_DEBUG("alloc agp, size = %d, offset = %d\n", agp.size, agp.offset);
return retval;
}
int sis_fb_alloc( DRM_IOCTL_ARGS )
{
DRM_DEVICE;
drm_sis_private_t *dev_priv = dev->dev_private;
drm_sis_mem_t fb;
PMemBlock block;
int retval = 0;
if (dev_priv == NULL || dev_priv->FBHeap == NULL)
return DRM_ERR(EINVAL);
DRM_COPY_FROM_USER_IOCTL(fb, (drm_sis_mem_t *)data, sizeof(fb));
block = mmAllocMem(dev_priv->FBHeap, fb.size, 0, 0);
if (block) {
/* TODO */
fb.offset = block->ofs;
fb.free = (unsigned long)block;
if (!add_alloc_set(fb.context, VIDEO_TYPE, fb.free)) {
DRM_DEBUG("adding to allocation set fails\n");
mmFreeMem((PMemBlock)fb.free);
retval = DRM_ERR(EINVAL);
}
} else {
fb.offset = 0;
fb.size = 0;
fb.free = 0;
}
DRM_COPY_TO_USER_IOCTL((drm_sis_mem_t *)data, fb, sizeof(fb));
DRM_DEBUG("alloc fb, size = %d, offset = %d\n", fb.size, fb.offset);
return retval;
}
int drm_adddraw(DRM_IOCTL_ARGS)
{
drm_draw_t draw;
draw.handle = 0; /* NOOP */
DRM_DEBUG("%d\n", draw.handle);
DRM_COPY_TO_USER_IOCTL( (drm_draw_t *)data, draw, sizeof(draw) );
return 0;
}
int via_mem_alloc(DRM_IOCTL_ARGS)
{
drm_via_mem_t mem;
DRM_COPY_FROM_USER_IOCTL(mem, (drm_via_mem_t *) data, sizeof(mem));
switch (mem.type) {
case VIDEO:
if (via_fb_alloc(&mem) < 0)
return -EFAULT;
DRM_COPY_TO_USER_IOCTL((drm_via_mem_t *) data, mem,
sizeof(mem));
return 0;
case AGP:
if (via_agp_alloc(&mem) < 0)
return -EFAULT;
DRM_COPY_TO_USER_IOCTL((drm_via_mem_t *) data, mem,
sizeof(mem));
return 0;
}
return -EFAULT;
}
int
via_dma_blit( DRM_IOCTL_ARGS )
{
drm_via_dmablit_t xfer;
int err;
DRM_DEVICE;
DRM_COPY_FROM_USER_IOCTL(xfer, (drm_via_dmablit_t __user *)data, sizeof(xfer));
err = via_dmablit(dev, &xfer);
DRM_COPY_TO_USER_IOCTL((void __user *)data, xfer, sizeof(xfer));
return err;
}
static int savage_bci_event_emit(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
drm_savage_private_t *dev_priv = dev->dev_private;
drm_savage_event_emit_t event;
DRM_DEBUG("\n");
LOCK_TEST_WITH_RETURN(dev, filp);
DRM_COPY_FROM_USER_IOCTL(event, (drm_savage_event_emit_t __user *)data,
sizeof(event));
event.count = savage_bci_emit_event(dev_priv, event.flags);
event.count |= dev_priv->event_wrap << 16;
DRM_COPY_TO_USER_IOCTL(&((drm_savage_event_emit_t __user *)data)->count,
event.count, sizeof(event.count));
return 0;
}
int mga_dma_buffers( DRM_IOCTL_ARGS )
{
DRM_DEVICE;
drm_device_dma_t *dma = dev->dma;
drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private;
drm_dma_t d;
int ret = 0;
LOCK_TEST_WITH_RETURN( dev, filp );
DRM_COPY_FROM_USER_IOCTL( d, (drm_dma_t *)data, sizeof(d) );
/* Please don't send us buffers.
*/
if ( d.send_count != 0 ) {
DRM_ERROR( "Process %d trying to send %d buffers via drmDMA\n",
DRM_CURRENTPID, d.send_count );
return DRM_ERR(EINVAL);
}
/* We'll send you buffers.
*/
if ( d.request_count < 0 || d.request_count > dma->buf_count ) {
DRM_ERROR( "Process %d trying to get %d buffers (of %d max)\n",
DRM_CURRENTPID, d.request_count, dma->buf_count );
return DRM_ERR(EINVAL);
}
WRAP_TEST_WITH_RETURN( dev_priv );
d.granted_count = 0;
if ( d.request_count ) {
ret = mga_dma_get_buffers( filp, dev, &d );
}
DRM_COPY_TO_USER_IOCTL( (drm_dma_t *)data, d, sizeof(d) );
return ret;
}
int i915_vblank_pipe_get(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
drm_i915_private_t *dev_priv = dev->dev_private;
drm_i915_vblank_pipe_t pipe;
u16 flag;
if (!dev_priv) {
DRM_ERROR("%s called with no initialization\n", __FUNCTION__);
return DRM_ERR(EINVAL);
}
flag = I915_READ(I915REG_INT_ENABLE_R);
pipe.pipe = 0;
if (flag & VSYNC_PIPEA_FLAG)
pipe.pipe |= DRM_I915_VBLANK_PIPE_A;
if (flag & VSYNC_PIPEB_FLAG)
pipe.pipe |= DRM_I915_VBLANK_PIPE_B;
DRM_COPY_TO_USER_IOCTL((drm_i915_vblank_pipe_t __user *) data, pipe,
sizeof(pipe));
return 0;
}
int drm_getmagic(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
static drm_magic_t sequence = 0;
drm_auth_t auth;
drm_file_t *priv;
DRM_LOCK();
priv = drm_find_file_by_proc(dev, p);
DRM_UNLOCK();
if (priv == NULL) {
DRM_ERROR("can't find authenticator\n");
return EINVAL;
}
/* Find unique magic */
if (priv->magic) {
auth.magic = priv->magic;
} else {
do {
int old = sequence;
auth.magic = old+1;
if (!atomic_cmpset_int(&sequence, old, auth.magic))
continue;
} while (drm_find_file(dev, auth.magic));
priv->magic = auth.magic;
drm_add_magic(dev, priv, auth.magic);
}
DRM_DEBUG("%u\n", auth.magic);
DRM_COPY_TO_USER_IOCTL((drm_auth_t *)data, auth, sizeof(auth));
return 0;
}
int savage_bci_buffers(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
struct drm_device_dma *dma = dev->dma;
struct drm_dma d;
int ret = 0;
LOCK_TEST_WITH_RETURN(dev, filp);
DRM_COPY_FROM_USER_IOCTL(d, (struct drm_dma __user *) data, sizeof(d));
/* Please don't send us buffers.
*/
if (d.send_count != 0) {
DRM_ERROR("Process %d trying to send %d buffers via drmDMA\n",
DRM_CURRENTPID, d.send_count);
return DRM_ERR(EINVAL);
}
/* We'll send you buffers.
*/
if (d.request_count < 0 || d.request_count > dma->buf_count) {
DRM_ERROR("Process %d trying to get %d buffers (of %d max)\n",
DRM_CURRENTPID, d.request_count, dma->buf_count);
return DRM_ERR(EINVAL);
}
d.granted_count = 0;
if (d.request_count) {
ret = savage_bci_get_buffers(filp, dev, &d);
}
DRM_COPY_TO_USER_IOCTL((struct drm_dma __user *) data, d, sizeof(d));
return ret;
}
