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path: root/drivers/char/drm/i830_dma.c
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Diffstat (limited to 'drivers/char/drm/i830_dma.c')
-rw-r--r--drivers/char/drm/i830_dma.c210
1 files changed, 82 insertions, 128 deletions
diff --git a/drivers/char/drm/i830_dma.c b/drivers/char/drm/i830_dma.c
index dc20c1a7834..43a1f78712d 100644
--- a/drivers/char/drm/i830_dma.c
+++ b/drivers/char/drm/i830_dma.c
@@ -122,10 +122,9 @@ static const struct file_operations i830_buffer_fops = {
.fasync = drm_fasync,
};
-static int i830_map_buffer(struct drm_buf * buf, struct file *filp)
+static int i830_map_buffer(struct drm_buf * buf, struct drm_file *file_priv)
{
- struct drm_file *priv = filp->private_data;
- struct drm_device *dev = priv->head->dev;
+ struct drm_device *dev = file_priv->head->dev;
drm_i830_buf_priv_t *buf_priv = buf->dev_private;
drm_i830_private_t *dev_priv = dev->dev_private;
const struct file_operations *old_fops;
@@ -136,13 +135,13 @@ static int i830_map_buffer(struct drm_buf * buf, struct file *filp)
return -EINVAL;
down_write(&current->mm->mmap_sem);
- old_fops = filp->f_op;
- filp->f_op = &i830_buffer_fops;
+ old_fops = file_priv->filp->f_op;
+ file_priv->filp->f_op = &i830_buffer_fops;
dev_priv->mmap_buffer = buf;
- virtual = do_mmap(filp, 0, buf->total, PROT_READ | PROT_WRITE,
+ virtual = do_mmap(file_priv->filp, 0, buf->total, PROT_READ | PROT_WRITE,
MAP_SHARED, buf->bus_address);
dev_priv->mmap_buffer = NULL;
- filp->f_op = old_fops;
+ file_priv->filp->f_op = old_fops;
if (IS_ERR((void *)virtual)) { /* ugh */
/* Real error */
DRM_ERROR("mmap error\n");
@@ -177,7 +176,7 @@ static int i830_unmap_buffer(struct drm_buf * buf)
}
static int i830_dma_get_buffer(struct drm_device * dev, drm_i830_dma_t * d,
- struct file *filp)
+ struct drm_file *file_priv)
{
struct drm_buf *buf;
drm_i830_buf_priv_t *buf_priv;
@@ -190,13 +189,13 @@ static int i830_dma_get_buffer(struct drm_device * dev, drm_i830_dma_t * d,
return retcode;
}
- retcode = i830_map_buffer(buf, filp);
+ retcode = i830_map_buffer(buf, file_priv);
if (retcode) {
i830_freelist_put(dev, buf);
DRM_ERROR("mapbuf failed, retcode %d\n", retcode);
return retcode;
}
- buf->filp = filp;
+ buf->file_priv = file_priv;
buf_priv = buf->dev_private;
d->granted = 1;
d->request_idx = buf->idx;
@@ -389,7 +388,7 @@ static int i830_dma_initialize(struct drm_device * dev,
i830_dma_cleanup(dev);
DRM_ERROR("can not ioremap virtual address for"
" ring buffer\n");
- return DRM_ERR(ENOMEM);
+ return -ENOMEM;
}
dev_priv->ring.virtual_start = dev_priv->ring.map.handle;
@@ -451,25 +450,20 @@ static int i830_dma_initialize(struct drm_device * dev,
return 0;
}
-static int i830_dma_init(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
+static int i830_dma_init(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
- struct drm_file *priv = filp->private_data;
- struct drm_device *dev = priv->head->dev;
drm_i830_private_t *dev_priv;
- drm_i830_init_t init;
+ drm_i830_init_t *init = data;
int retcode = 0;
- if (copy_from_user(&init, (void *__user)arg, sizeof(init)))
- return -EFAULT;
-
- switch (init.func) {
+ switch (init->func) {
case I830_INIT_DMA:
dev_priv = drm_alloc(sizeof(drm_i830_private_t),
DRM_MEM_DRIVER);
if (dev_priv == NULL)
return -ENOMEM;
- retcode = i830_dma_initialize(dev, dev_priv, &init);
+ retcode = i830_dma_initialize(dev, dev_priv, init);
break;
case I830_CLEANUP_DMA:
retcode = i830_dma_cleanup(dev);
@@ -1248,7 +1242,7 @@ static int i830_flush_queue(struct drm_device * dev)
}
/* Must be called with the lock held */
-static void i830_reclaim_buffers(struct drm_device * dev, struct file *filp)
+static void i830_reclaim_buffers(struct drm_device * dev, struct drm_file *file_priv)
{
struct drm_device_dma *dma = dev->dma;
int i;
@@ -1266,7 +1260,7 @@ static void i830_reclaim_buffers(struct drm_device * dev, struct file *filp)
struct drm_buf *buf = dma->buflist[i];
drm_i830_buf_priv_t *buf_priv = buf->dev_private;
- if (buf->filp == filp && buf_priv) {
+ if (buf->file_priv == file_priv && buf_priv) {
int used = cmpxchg(buf_priv->in_use, I830_BUF_CLIENT,
I830_BUF_FREE);
@@ -1278,45 +1272,36 @@ static void i830_reclaim_buffers(struct drm_device * dev, struct file *filp)
}
}
-static int i830_flush_ioctl(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
+static int i830_flush_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
- struct drm_file *priv = filp->private_data;
- struct drm_device *dev = priv->head->dev;
-
- LOCK_TEST_WITH_RETURN(dev, filp);
+ LOCK_TEST_WITH_RETURN(dev, file_priv);
i830_flush_queue(dev);
return 0;
}
-static int i830_dma_vertex(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
+static int i830_dma_vertex(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
- struct drm_file *priv = filp->private_data;
- struct drm_device *dev = priv->head->dev;
struct drm_device_dma *dma = dev->dma;
drm_i830_private_t *dev_priv = (drm_i830_private_t *) dev->dev_private;
u32 *hw_status = dev_priv->hw_status_page;
drm_i830_sarea_t *sarea_priv = (drm_i830_sarea_t *)
dev_priv->sarea_priv;
- drm_i830_vertex_t vertex;
-
- if (copy_from_user
- (&vertex, (drm_i830_vertex_t __user *) arg, sizeof(vertex)))
- return -EFAULT;
+ drm_i830_vertex_t *vertex = data;
- LOCK_TEST_WITH_RETURN(dev, filp);
+ LOCK_TEST_WITH_RETURN(dev, file_priv);
DRM_DEBUG("i830 dma vertex, idx %d used %d discard %d\n",
- vertex.idx, vertex.used, vertex.discard);
+ vertex->idx, vertex->used, vertex->discard);
- if (vertex.idx < 0 || vertex.idx > dma->buf_count)
+ if (vertex->idx < 0 || vertex->idx > dma->buf_count)
return -EINVAL;
i830_dma_dispatch_vertex(dev,
- dma->buflist[vertex.idx],
- vertex.discard, vertex.used);
+ dma->buflist[vertex->idx],
+ vertex->discard, vertex->used);
sarea_priv->last_enqueue = dev_priv->counter - 1;
sarea_priv->last_dispatch = (int)hw_status[5];
@@ -1324,39 +1309,30 @@ static int i830_dma_vertex(struct inode *inode, struct file *filp,
return 0;
}
-static int i830_clear_bufs(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
+static int i830_clear_bufs(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
- struct drm_file *priv = filp->private_data;
- struct drm_device *dev = priv->head->dev;
- drm_i830_clear_t clear;
-
- if (copy_from_user
- (&clear, (drm_i830_clear_t __user *) arg, sizeof(clear)))
- return -EFAULT;
+ drm_i830_clear_t *clear = data;
- LOCK_TEST_WITH_RETURN(dev, filp);
+ LOCK_TEST_WITH_RETURN(dev, file_priv);
/* GH: Someone's doing nasty things... */
if (!dev->dev_private) {
return -EINVAL;
}
- i830_dma_dispatch_clear(dev, clear.flags,
- clear.clear_color,
- clear.clear_depth, clear.clear_depthmask);
+ i830_dma_dispatch_clear(dev, clear->flags,
+ clear->clear_color,
+ clear->clear_depth, clear->clear_depthmask);
return 0;
}
-static int i830_swap_bufs(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
+static int i830_swap_bufs(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
- struct drm_file *priv = filp->private_data;
- struct drm_device *dev = priv->head->dev;
-
DRM_DEBUG("i830_swap_bufs\n");
- LOCK_TEST_WITH_RETURN(dev, filp);
+ LOCK_TEST_WITH_RETURN(dev, file_priv);
i830_dma_dispatch_swap(dev);
return 0;
@@ -1386,16 +1362,14 @@ static int i830_do_cleanup_pageflip(struct drm_device * dev)
return 0;
}
-static int i830_flip_bufs(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
+static int i830_flip_bufs(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
- struct drm_file *priv = filp->private_data;
- struct drm_device *dev = priv->head->dev;
drm_i830_private_t *dev_priv = dev->dev_private;
DRM_DEBUG("%s\n", __FUNCTION__);
- LOCK_TEST_WITH_RETURN(dev, filp);
+ LOCK_TEST_WITH_RETURN(dev, file_priv);
if (!dev_priv->page_flipping)
i830_do_init_pageflip(dev);
@@ -1404,11 +1378,9 @@ static int i830_flip_bufs(struct inode *inode, struct file *filp,
return 0;
}
-static int i830_getage(struct inode *inode, struct file *filp, unsigned int cmd,
- unsigned long arg)
+static int i830_getage(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
- struct drm_file *priv = filp->private_data;
- struct drm_device *dev = priv->head->dev;
drm_i830_private_t *dev_priv = (drm_i830_private_t *) dev->dev_private;
u32 *hw_status = dev_priv->hw_status_page;
drm_i830_sarea_t *sarea_priv = (drm_i830_sarea_t *)
@@ -1418,58 +1390,50 @@ static int i830_getage(struct inode *inode, struct file *filp, unsigned int cmd,
return 0;
}
-static int i830_getbuf(struct inode *inode, struct file *filp, unsigned int cmd,
- unsigned long arg)
+static int i830_getbuf(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
- struct drm_file *priv = filp->private_data;
- struct drm_device *dev = priv->head->dev;
int retcode = 0;
- drm_i830_dma_t d;
+ drm_i830_dma_t *d = data;
drm_i830_private_t *dev_priv = (drm_i830_private_t *) dev->dev_private;
u32 *hw_status = dev_priv->hw_status_page;
drm_i830_sarea_t *sarea_priv = (drm_i830_sarea_t *)
dev_priv->sarea_priv;
DRM_DEBUG("getbuf\n");
- if (copy_from_user(&d, (drm_i830_dma_t __user *) arg, sizeof(d)))
- return -EFAULT;
- LOCK_TEST_WITH_RETURN(dev, filp);
+ LOCK_TEST_WITH_RETURN(dev, file_priv);
- d.granted = 0;
+ d->granted = 0;
- retcode = i830_dma_get_buffer(dev, &d, filp);
+ retcode = i830_dma_get_buffer(dev, d, file_priv);
DRM_DEBUG("i830_dma: %d returning %d, granted = %d\n",
- current->pid, retcode, d.granted);
+ current->pid, retcode, d->granted);
- if (copy_to_user((void __user *) arg, &d, sizeof(d)))
- return -EFAULT;
sarea_priv->last_dispatch = (int)hw_status[5];
return retcode;
}
-static int i830_copybuf(struct inode *inode,
- struct file *filp, unsigned int cmd, unsigned long arg)
+static int i830_copybuf(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
/* Never copy - 2.4.x doesn't need it */
return 0;
}
-static int i830_docopy(struct inode *inode, struct file *filp, unsigned int cmd,
- unsigned long arg)
+static int i830_docopy(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
return 0;
}
-static int i830_getparam(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
+static int i830_getparam(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
- struct drm_file *priv = filp->private_data;
- struct drm_device *dev = priv->head->dev;
drm_i830_private_t *dev_priv = dev->dev_private;
- drm_i830_getparam_t param;
+ drm_i830_getparam_t *param = data;
int value;
if (!dev_priv) {
@@ -1477,11 +1441,7 @@ static int i830_getparam(struct inode *inode, struct file *filp,
return -EINVAL;
}
- if (copy_from_user
- (&param, (drm_i830_getparam_t __user *) arg, sizeof(param)))
- return -EFAULT;
-
- switch (param.param) {
+ switch (param->param) {
case I830_PARAM_IRQ_ACTIVE:
value = dev->irq_enabled;
break;
@@ -1489,7 +1449,7 @@ static int i830_getparam(struct inode *inode, struct file *filp,
return -EINVAL;
}
- if (copy_to_user(param.value, &value, sizeof(int))) {
+ if (copy_to_user(param->value, &value, sizeof(int))) {
DRM_ERROR("copy_to_user\n");
return -EFAULT;
}
@@ -1497,26 +1457,20 @@ static int i830_getparam(struct inode *inode, struct file *filp,
return 0;
}
-static int i830_setparam(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
+static int i830_setparam(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
- struct drm_file *priv = filp->private_data;
- struct drm_device *dev = priv->head->dev;
drm_i830_private_t *dev_priv = dev->dev_private;
- drm_i830_setparam_t param;
+ drm_i830_setparam_t *param = data;
if (!dev_priv) {
DRM_ERROR("%s called with no initialization\n", __FUNCTION__);
return -EINVAL;
}
- if (copy_from_user
- (&param, (drm_i830_setparam_t __user *) arg, sizeof(param)))
- return -EFAULT;
-
- switch (param.param) {
+ switch (param->param) {
case I830_SETPARAM_USE_MI_BATCHBUFFER_START:
- dev_priv->use_mi_batchbuffer_start = param.value;
+ dev_priv->use_mi_batchbuffer_start = param->value;
break;
default:
return -EINVAL;
@@ -1542,7 +1496,7 @@ void i830_driver_lastclose(struct drm_device * dev)
i830_dma_cleanup(dev);
}
-void i830_driver_preclose(struct drm_device * dev, DRMFILE filp)
+void i830_driver_preclose(struct drm_device * dev, struct drm_file *file_priv)
{
if (dev->dev_private) {
drm_i830_private_t *dev_priv = dev->dev_private;
@@ -1552,9 +1506,9 @@ void i830_driver_preclose(struct drm_device * dev, DRMFILE filp)
}
}
-void i830_driver_reclaim_buffers_locked(struct drm_device * dev, struct file *filp)
+void i830_driver_reclaim_buffers_locked(struct drm_device * dev, struct drm_file *file_priv)
{
- i830_reclaim_buffers(dev, filp);
+ i830_reclaim_buffers(dev, file_priv);
}
int i830_driver_dma_quiescent(struct drm_device * dev)
@@ -1563,21 +1517,21 @@ int i830_driver_dma_quiescent(struct drm_device * dev)
return 0;
}
-drm_ioctl_desc_t i830_ioctls[] = {
- [DRM_IOCTL_NR(DRM_I830_INIT)] = {i830_dma_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
- [DRM_IOCTL_NR(DRM_I830_VERTEX)] = {i830_dma_vertex, DRM_AUTH},
- [DRM_IOCTL_NR(DRM_I830_CLEAR)] = {i830_clear_bufs, DRM_AUTH},
- [DRM_IOCTL_NR(DRM_I830_FLUSH)] = {i830_flush_ioctl, DRM_AUTH},
- [DRM_IOCTL_NR(DRM_I830_GETAGE)] = {i830_getage, DRM_AUTH},
- [DRM_IOCTL_NR(DRM_I830_GETBUF)] = {i830_getbuf, DRM_AUTH},
- [DRM_IOCTL_NR(DRM_I830_SWAP)] = {i830_swap_bufs, DRM_AUTH},
- [DRM_IOCTL_NR(DRM_I830_COPY)] = {i830_copybuf, DRM_AUTH},
- [DRM_IOCTL_NR(DRM_I830_DOCOPY)] = {i830_docopy, DRM_AUTH},
- [DRM_IOCTL_NR(DRM_I830_FLIP)] = {i830_flip_bufs, DRM_AUTH},
- [DRM_IOCTL_NR(DRM_I830_IRQ_EMIT)] = {i830_irq_emit, DRM_AUTH},
- [DRM_IOCTL_NR(DRM_I830_IRQ_WAIT)] = {i830_irq_wait, DRM_AUTH},
- [DRM_IOCTL_NR(DRM_I830_GETPARAM)] = {i830_getparam, DRM_AUTH},
- [DRM_IOCTL_NR(DRM_I830_SETPARAM)] = {i830_setparam, DRM_AUTH}
+struct drm_ioctl_desc i830_ioctls[] = {
+ DRM_IOCTL_DEF(DRM_I830_INIT, i830_dma_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
+ DRM_IOCTL_DEF(DRM_I830_VERTEX, i830_dma_vertex, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_I830_CLEAR, i830_clear_bufs, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_I830_FLUSH, i830_flush_ioctl, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_I830_GETAGE, i830_getage, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_I830_GETBUF, i830_getbuf, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_I830_SWAP, i830_swap_bufs, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_I830_COPY, i830_copybuf, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_I830_DOCOPY, i830_docopy, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_I830_FLIP, i830_flip_bufs, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_I830_IRQ_EMIT, i830_irq_emit, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_I830_IRQ_WAIT, i830_irq_wait, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_I830_GETPARAM, i830_getparam, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_I830_SETPARAM, i830_setparam, DRM_AUTH)
};
int i830_max_ioctl = DRM_ARRAY_SIZE(i830_ioctls);
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-12 03:20:31 +0000