static int mga_dma_indices(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
drm_mga_private_t *dev_priv = dev->dev_private;
struct drm_device_dma *dma = dev->dma;
struct drm_buf *buf;
drm_mga_buf_priv_t *buf_priv;
drm_mga_indices_t *indices = data;
LOCK_TEST_WITH_RETURN(dev, file_priv);
if (indices->idx < 0 || indices->idx > dma->buf_count)
return -EINVAL;
buf = dma->buflist[indices->idx];
buf_priv = buf->dev_private;
buf_priv->discard = indices->discard;
if (!mga_verify_state(dev_priv)) {
if (indices->discard) {
if (buf_priv->dispatched == 1)
AGE_BUFFER(buf_priv);
buf_priv->dispatched = 0;
mga_freelist_put(dev, buf);
}
return -EINVAL;
}
WRAP_TEST_WITH_RETURN(dev_priv);
mga_dma_dispatch_indices(dev, buf, indices->start, indices->end);
return 0;
}
/* Needs the lock as it touches the ring.
*/
int radeon_irq_emit(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
drm_radeon_private_t *dev_priv = dev->dev_private;
drm_radeon_irq_emit_t *emit = data;
int result;
if (!dev_priv) {
DRM_ERROR("called with no initialization\n");
return -EINVAL;
}
if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
return -EINVAL;
LOCK_TEST_WITH_RETURN(dev, file_priv);
result = radeon_emit_irq(dev);
if (DRM_COPY_TO_USER(emit->irq_seq, &result, sizeof(int))) {
DRM_ERROR("copy_to_user\n");
return -EFAULT;
}
return 0;
}
int mga_dma_flush( DRM_IOCTL_ARGS )
{
DRM_DEVICE;
drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private;
drm_lock_t lock;
LOCK_TEST_WITH_RETURN( dev, filp );
DRM_COPY_FROM_USER_IOCTL( lock, (drm_lock_t *)data, sizeof(lock) );
DRM_DEBUG( "%s%s%s\n",
(lock.flags & _DRM_LOCK_FLUSH) ? "flush, " : "",
(lock.flags & _DRM_LOCK_FLUSH_ALL) ? "flush all, " : "",
(lock.flags & _DRM_LOCK_QUIESCENT) ? "idle, " : "" );
WRAP_WAIT_WITH_RETURN( dev_priv );
if ( lock.flags & (_DRM_LOCK_FLUSH | _DRM_LOCK_FLUSH_ALL) ) {
mga_do_dma_flush( dev_priv );
}
if ( lock.flags & _DRM_LOCK_QUIESCENT ) {
#if MGA_DMA_DEBUG
int ret = mga_do_wait_for_idle( dev_priv );
if ( ret < 0 )
DRM_INFO( "%s: -EBUSY\n", __FUNCTION__ );
return ret;
#else
return mga_do_wait_for_idle( dev_priv );
#endif
} else {
return 0;
}
}
/* Needs the lock as it touches the ring.
*/
int i915_irq_emit(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
drm_i915_private_t *dev_priv = dev->dev_private;
drm_i915_irq_emit_t emit;
int result;
LOCK_TEST_WITH_RETURN(dev, filp);
if (!dev_priv) {
DRM_ERROR("%s called with no initialization\n", __FUNCTION__);
return DRM_ERR(EINVAL);
}
DRM_COPY_FROM_USER_IOCTL(emit, (drm_i915_irq_emit_t __user *) data,
sizeof(emit));
result = i915_emit_irq(dev);
if (DRM_COPY_TO_USER(emit.irq_seq, &result, sizeof(int))) {
DRM_ERROR("copy_to_user\n");
return DRM_ERR(EFAULT);
}
return 0;
}
int mga_dma_blit( struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg )
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->dev;
drm_mga_private_t *dev_priv = dev->dev_private;
drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
drm_mga_blit_t blit;
DRM_DEBUG( "%s\n", __FUNCTION__ );
LOCK_TEST_WITH_RETURN( dev );
if ( copy_from_user( &blit, (drm_mga_blit_t *)arg, sizeof(blit) ) )
return -EFAULT;
if ( sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS )
sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS;
if ( mga_verify_blit( dev_priv, blit.srcorg, blit.dstorg ) )
return -EINVAL;
WRAP_TEST_WITH_RETURN( dev_priv );
mga_dma_dispatch_blit( dev, &blit );
/* Make sure we restore the 3D state next time.
*/
dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT;
return 0;
}
int mga_dma_clear( struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg )
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->dev;
drm_mga_private_t *dev_priv = dev->dev_private;
drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
drm_mga_clear_t clear;
LOCK_TEST_WITH_RETURN( dev );
if ( copy_from_user( &clear, (drm_mga_clear_t *) arg, sizeof(clear) ) )
return -EFAULT;
if ( sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS )
sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS;
WRAP_TEST_WITH_RETURN( dev_priv );
mga_dma_dispatch_clear( dev, &clear );
/* Make sure we restore the 3D state next time.
*/
dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT;
return 0;
}
int savage_bci_buffers(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
struct drm_device_dma *dma = dev->dma;
struct drm_dma *d = data;
int ret = 0;
LOCK_TEST_WITH_RETURN(dev, file_priv);
/* 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 -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 -EINVAL;
}
d->granted_count = 0;
if (d->request_count) {
ret = savage_bci_get_buffers(dev, file_priv, d);
}
return ret;
}
static int mga_dma_blit( DRM_IOCTL_ARGS )
{
DRM_DEVICE;
drm_mga_private_t *dev_priv = dev->dev_private;
drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
drm_mga_blit_t blit;
DRM_DEBUG( "\n" );
LOCK_TEST_WITH_RETURN( dev, filp );
DRM_COPY_FROM_USER_IOCTL( blit, (drm_mga_blit_t __user *)data, sizeof(blit) );
if ( sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS )
sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS;
if ( mga_verify_blit( dev_priv, blit.srcorg, blit.dstorg ) )
return DRM_ERR(EINVAL);
WRAP_TEST_WITH_RETURN( dev_priv );
mga_dma_dispatch_blit( dev, &blit );
/* Make sure we restore the 3D state next time.
*/
dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT;
return 0;
}
/* Needs the lock as it touches the ring.
*/
int i830_irq_emit( struct inode *inode, struct file *filp, unsigned int cmd,
unsigned long arg )
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->head->dev;
drm_i830_private_t *dev_priv = dev->dev_private;
drm_i830_irq_emit_t emit;
int result;
LOCK_TEST_WITH_RETURN(dev, filp);
if ( !dev_priv ) {
DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ );
return -EINVAL;
}
if (copy_from_user( &emit, (drm_i830_irq_emit_t __user *)arg, sizeof(emit) ))
return -EFAULT;
result = i830_emit_irq( dev );
if ( copy_to_user( emit.irq_seq, &result, sizeof(int) ) ) {
DRM_ERROR( "copy_to_user\n" );
return -EFAULT;
}
return 0;
}
static int mga_dma_clear(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
drm_mga_private_t *dev_priv = dev->dev_private;
drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
drm_mga_clear_t clear;
LOCK_TEST_WITH_RETURN(dev, filp);
DRM_COPY_FROM_USER_IOCTL(clear, (drm_mga_clear_t __user *) data,
sizeof(clear));
if (sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS)
sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS;
WRAP_TEST_WITH_RETURN(dev_priv);
mga_dma_dispatch_clear(dev, &clear);
/* Make sure we restore the 3D state next time.
*/
dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT;
return 0;
}
static int mga_dma_blit(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
drm_mga_private_t *dev_priv = dev->dev_private;
drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
drm_mga_blit_t *blit = data;
DRM_DEBUG("\n");
LOCK_TEST_WITH_RETURN(dev, file_priv);
if (sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS)
sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS;
if (mga_verify_blit(dev_priv, blit->srcorg, blit->dstorg))
return -EINVAL;
WRAP_TEST_WITH_RETURN(dev_priv);
mga_dma_dispatch_blit(dev, blit);
/* Make sure we restore the 3D state next time.
*/
dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT;
return 0;
}
int mga_dma_reset( DRM_IOCTL_ARGS )
{
DRM_DEVICE;
drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private;
LOCK_TEST_WITH_RETURN( dev, filp );
return mga_do_dma_reset( dev_priv );
}
int mga_dma_reset( struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg )
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->dev;
drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private;
LOCK_TEST_WITH_RETURN( dev );
return mga_do_dma_reset( dev_priv );
}
static int savage_bci_event_emit(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
drm_savage_private_t *dev_priv = dev->dev_private;
drm_savage_event_emit_t *event = data;
DRM_DEBUG("\n");
LOCK_TEST_WITH_RETURN(dev, file_priv);
event->count = savage_bci_emit_event(dev_priv, event->flags);
event->count |= dev_priv->event_wrap << 16;
return 0;
}
static int savage_bci_init(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
drm_savage_init_t *init = data;
LOCK_TEST_WITH_RETURN(dev, file_priv);
switch (init->func) {
case SAVAGE_INIT_BCI:
return savage_do_init_bci(dev, init);
case SAVAGE_CLEANUP_BCI:
return savage_do_cleanup_bci(dev);
}
return -EINVAL;
}
static int mga_dma_swap(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
drm_mga_private_t *dev_priv = dev->dev_private;
drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
LOCK_TEST_WITH_RETURN(dev, file_priv);
if (sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS)
sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS;
WRAP_TEST_WITH_RETURN(dev_priv);
mga_dma_dispatch_swap(dev);
dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT;
return 0;
}
int mga_dma_init( DRM_IOCTL_ARGS )
{
DRM_DEVICE;
drm_mga_init_t init;
LOCK_TEST_WITH_RETURN( dev, filp );
DRM_COPY_FROM_USER_IOCTL( init, (drm_mga_init_t *)data, sizeof(init) );
switch ( init.func ) {
case MGA_INIT_DMA:
return mga_do_init_dma( dev, &init );
case MGA_CLEANUP_DMA:
return mga_do_cleanup_dma( dev );
}
return DRM_ERR(EINVAL);
}
int mga_dma_iload( struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg )
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->dev;
drm_device_dma_t *dma = dev->dma;
drm_mga_private_t *dev_priv = dev->dev_private;
drm_buf_t *buf;
drm_mga_buf_priv_t *buf_priv;
drm_mga_iload_t iload;
DRM_DEBUG( __FUNCTION__ ":\n" );
LOCK_TEST_WITH_RETURN( dev );
if ( copy_from_user( &iload, (drm_mga_iload_t *)arg, sizeof(iload) ) )
return -EFAULT;
#if 0
if ( mga_do_wait_for_idle( dev_priv ) < 0 ) {
if ( MGA_DMA_DEBUG )
DRM_INFO( __FUNCTION__": -EBUSY\n" );
return -EBUSY;
}
#endif
if(iload.idx < 0 || iload.idx > dma->buf_count) return -EINVAL;
buf = dma->buflist[iload.idx];
buf_priv = buf->dev_private;
if ( mga_verify_iload( dev_priv, iload.dstorg, iload.length ) ) {
mga_freelist_put( dev, buf );
return -EINVAL;
}
WRAP_TEST_WITH_RETURN( dev_priv );
mga_dma_dispatch_iload( dev, buf, iload.dstorg, iload.length );
/* Make sure we restore the 3D state next time.
*/
dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT;
return 0;
}
int mga_dma_buffers( struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg )
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->dev;
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 );
if ( copy_from_user( &d, (drm_dma_t *)arg, sizeof(d) ) )
return -EFAULT;
/* Please don't send us buffers.
*/
if ( d.send_count != 0 ) {
DRM_ERROR( "Process %d trying to send %d buffers via drmDMA\n",
current->pid, d.send_count );
return -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",
current->pid, d.request_count, dma->buf_count );
return -EINVAL;
}
WRAP_TEST_WITH_RETURN( dev_priv );
d.granted_count = 0;
if ( d.request_count ) {
ret = mga_dma_get_buffers( dev, &d );
}
if ( copy_to_user( (drm_dma_t *)arg, &d, sizeof(d) ) )
return -EFAULT;
return ret;
}
static int mga_dma_iload(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
struct drm_device_dma *dma = dev->dma;
drm_mga_private_t *dev_priv = dev->dev_private;
struct drm_buf *buf;
drm_mga_buf_priv_t *buf_priv;
drm_mga_iload_t iload;
DRM_DEBUG("\n");
LOCK_TEST_WITH_RETURN(dev, filp);
DRM_COPY_FROM_USER_IOCTL(iload, (drm_mga_iload_t __user *) data,
sizeof(iload));
#if 0
if (mga_do_wait_for_idle(dev_priv) < 0) {
if (MGA_DMA_DEBUG)
DRM_INFO("%s: -EBUSY\n", __FUNCTION__);
return DRM_ERR(EBUSY);
}
#endif
if (iload.idx < 0 || iload.idx > dma->buf_count)
return DRM_ERR(EINVAL);
buf = dma->buflist[iload.idx];
buf_priv = buf->dev_private;
if (mga_verify_iload(dev_priv, iload.dstorg, iload.length)) {
mga_freelist_put(dev, buf);
return DRM_ERR(EINVAL);
}
WRAP_TEST_WITH_RETURN(dev_priv);
mga_dma_dispatch_iload(dev, buf, iload.dstorg, iload.length);
/* Make sure we restore the 3D state next time.
*/
dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT;
return 0;
}
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;
}
static int savage_bci_init(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
drm_savage_init_t init;
LOCK_TEST_WITH_RETURN(dev, filp);
DRM_COPY_FROM_USER_IOCTL(init, (drm_savage_init_t __user *)data,
sizeof(init));
switch (init.func) {
case SAVAGE_INIT_BCI:
return savage_do_init_bci(dev, &init);
case SAVAGE_CLEANUP_BCI:
return savage_do_cleanup_bci(dev);
}
return DRM_ERR(EINVAL);
}
int mga_dma_indices( struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg )
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->dev;
drm_mga_private_t *dev_priv = dev->dev_private;
drm_device_dma_t *dma = dev->dma;
drm_buf_t *buf;
drm_mga_buf_priv_t *buf_priv;
drm_mga_indices_t indices;
LOCK_TEST_WITH_RETURN( dev );
if ( copy_from_user( &indices,
(drm_mga_indices_t *)arg,
sizeof(indices) ) )
return -EFAULT;
if(indices.idx < 0 || indices.idx > dma->buf_count) return -EINVAL;
buf = dma->buflist[indices.idx];
buf_priv = buf->dev_private;
buf_priv->discard = indices.discard;
if ( !mga_verify_state( dev_priv ) ) {
if ( indices.discard ) {
if ( buf_priv->dispatched == 1 )
AGE_BUFFER( buf_priv );
buf_priv->dispatched = 0;
mga_freelist_put( dev, buf );
}
return -EINVAL;
}
WRAP_TEST_WITH_RETURN( dev_priv );
mga_dma_dispatch_indices( dev, buf, indices.start, indices.end );
return 0;
}
static int mga_dma_swap( DRM_IOCTL_ARGS )
{
DRM_DEVICE;
drm_mga_private_t *dev_priv = dev->dev_private;
drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
LOCK_TEST_WITH_RETURN( dev, filp );
if ( sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS )
sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS;
WRAP_TEST_WITH_RETURN( dev_priv );
mga_dma_dispatch_swap( dev );
/* Make sure we restore the 3D state next time.
*/
dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT;
return 0;
}
static int mga_dma_clear(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
drm_mga_private_t *dev_priv = dev->dev_private;
drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
drm_mga_clear_t *clear = data;
LOCK_TEST_WITH_RETURN(dev, file_priv);
if (sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS)
sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS;
WRAP_TEST_WITH_RETURN(dev_priv);
mga_dma_dispatch_clear(dev, clear);
/* Make sure we restore the 3D state next time.
*/
dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT;
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;
}
static int mga_dma_iload(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
struct drm_device_dma *dma = dev->dma;
drm_mga_private_t *dev_priv = dev->dev_private;
struct drm_buf *buf;
drm_mga_buf_priv_t *buf_priv;
drm_mga_iload_t *iload = data;
DRM_DEBUG("\n");
LOCK_TEST_WITH_RETURN(dev, file_priv);
#if 0
if (mga_do_wait_for_idle(dev_priv) < 0) {
if (MGA_DMA_DEBUG)
DRM_INFO("-EBUSY\n");
return -EBUSY;
}
#endif
if (iload->idx < 0 || iload->idx > dma->buf_count)
return -EINVAL;
buf = dma->buflist[iload->idx];
buf_priv = buf->dev_private;
if (mga_verify_iload(dev_priv, iload->dstorg, iload->length)) {
mga_freelist_put(dev, buf);
return -EINVAL;
}
WRAP_TEST_WITH_RETURN(dev_priv);
mga_dma_dispatch_iload(dev, buf, iload->dstorg, iload->length);
/* Make sure we restore the 3D state next time.
*/
dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT;
return 0;
}
int mga_dma_vertex(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
drm_mga_private_t *dev_priv = dev->dev_private;
drm_device_dma_t *dma = dev->dma;
drm_buf_t *buf;
drm_mga_buf_priv_t *buf_priv;
drm_mga_vertex_t vertex;
LOCK_TEST_WITH_RETURN(dev, filp);
DRM_COPY_FROM_USER_IOCTL(vertex,
(drm_mga_vertex_t __user *) data,
sizeof(vertex));
if (vertex.idx < 0 || vertex.idx > dma->buf_count)
return DRM_ERR(EINVAL);
buf = dma->buflist[vertex.idx];
buf_priv = buf->dev_private;
buf->used = vertex.used;
buf_priv->discard = vertex.discard;
if (!mga_verify_state(dev_priv)) {
if (vertex.discard) {
if (buf_priv->dispatched == 1)
AGE_BUFFER(buf_priv);
buf_priv->dispatched = 0;
mga_freelist_put(dev, buf);
}
return DRM_ERR(EINVAL);
}
WRAP_TEST_WITH_RETURN(dev_priv);
mga_dma_dispatch_vertex(dev, buf);
return 0;
}
static int mga_dma_indices(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
drm_mga_private_t *dev_priv = dev->dev_private;
struct drm_device_dma *dma = dev->dma;
struct drm_buf *buf;
drm_mga_buf_priv_t *buf_priv;
drm_mga_indices_t indices;
LOCK_TEST_WITH_RETURN(dev, filp);
DRM_COPY_FROM_USER_IOCTL(indices,
(drm_mga_indices_t __user *) data,
sizeof(indices));
if (indices.idx < 0 || indices.idx > dma->buf_count)
return DRM_ERR(EINVAL);
buf = dma->buflist[indices.idx];
buf_priv = buf->dev_private;
buf_priv->discard = indices.discard;
if (!mga_verify_state(dev_priv)) {
if (indices.discard) {
if (buf_priv->dispatched == 1)
AGE_BUFFER(buf_priv);
buf_priv->dispatched = 0;
mga_freelist_put(dev, buf);
}
return DRM_ERR(EINVAL);
}
WRAP_TEST_WITH_RETURN(dev_priv);
mga_dma_dispatch_indices(dev, buf, indices.start, indices.end);
return 0;
}
int mga_dma_flush( struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg )
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->dev;
drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private;
drm_lock_t lock;
LOCK_TEST_WITH_RETURN( dev );
if ( copy_from_user( &lock, (drm_lock_t *)arg, sizeof(lock) ) )
return -EFAULT;
DRM_DEBUG( "%s: %s%s%s\n",
__FUNCTION__,
(lock.flags & _DRM_LOCK_FLUSH) ? "flush, " : "",
(lock.flags & _DRM_LOCK_FLUSH_ALL) ? "flush all, " : "",
(lock.flags & _DRM_LOCK_QUIESCENT) ? "idle, " : "" );
WRAP_WAIT_WITH_RETURN( dev_priv );
if ( lock.flags & (_DRM_LOCK_FLUSH | _DRM_LOCK_FLUSH_ALL) ) {
mga_do_dma_flush( dev_priv );
}
if ( lock.flags & _DRM_LOCK_QUIESCENT ) {
#if MGA_DMA_DEBUG
int ret = mga_do_wait_for_idle( dev_priv );
if ( ret < 0 )
DRM_INFO( "%s: -EBUSY\n", __FUNCTION__ );
return ret;
#else
return mga_do_wait_for_idle( dev_priv );
#endif
} else {
return 0;
}
}
