From 5b38e134163cc375e91424c4688cc9328c6e9082 Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Thu, 19 Jul 2007 17:11:11 -0700 Subject: Replace DRM_IOCTL_ARGS with (dev, data, file_priv) and remove DRM_DEVICE. The data is now in kernel space, copied in/out as appropriate according to the This results in DRM_COPY_{TO,FROM}_USER going away, and error paths to deal with those failures. This also means that XFree86 4.2.0 support for i810 DRM is lost. --- shared-core/mga_dma.c | 86 ++++++++++++++++++++------------------------------- 1 file changed, 34 insertions(+), 52 deletions(-) (limited to 'shared-core/mga_dma.c') diff --git a/shared-core/mga_dma.c b/shared-core/mga_dma.c index 429ffa54..a86dd31c 100644 --- a/shared-core/mga_dma.c +++ b/shared-core/mga_dma.c @@ -762,38 +762,31 @@ static int mga_do_dma_bootstrap(struct drm_device * dev, return err; } -int mga_dma_bootstrap(DRM_IOCTL_ARGS) +int mga_dma_bootstrap(struct drm_device *dev, void *data, + struct drm_file *file_priv) { - DRM_DEVICE; - drm_mga_dma_bootstrap_t bootstrap; + drm_mga_dma_bootstrap_t *bootstrap = data; int err; static const int modes[] = { 0, 1, 2, 2, 4, 4, 4, 4 }; const drm_mga_private_t * const dev_priv = (drm_mga_private_t *) dev->dev_private; - DRM_COPY_FROM_USER_IOCTL(bootstrap, - (drm_mga_dma_bootstrap_t __user *) data, - sizeof(bootstrap)); - - err = mga_do_dma_bootstrap(dev, & bootstrap); + err = mga_do_dma_bootstrap(dev, bootstrap); if (err) { mga_do_cleanup_dma(dev, FULL_CLEANUP); return err; } if (dev_priv->agp_textures != NULL) { - bootstrap.texture_handle = dev_priv->agp_textures->offset; - bootstrap.texture_size = dev_priv->agp_textures->size; + bootstrap->texture_handle = dev_priv->agp_textures->offset; + bootstrap->texture_size = dev_priv->agp_textures->size; } else { - bootstrap.texture_handle = 0; - bootstrap.texture_size = 0; + bootstrap->texture_handle = 0; + bootstrap->texture_size = 0; } - bootstrap.agp_mode = modes[bootstrap.agp_mode & 0x07]; - - DRM_COPY_TO_USER_IOCTL((drm_mga_dma_bootstrap_t __user *)data, - bootstrap, sizeof(bootstrap)); + bootstrap->agp_mode = modes[bootstrap->agp_mode & 0x07]; return 0; } @@ -1010,20 +1003,17 @@ static int mga_do_cleanup_dma(struct drm_device * dev, int full_cleanup) return 0; } -int mga_dma_init(DRM_IOCTL_ARGS) +int mga_dma_init(struct drm_device *dev, void *data, + struct drm_file *file_priv) { - DRM_DEVICE; - drm_mga_init_t init; + drm_mga_init_t *init = data; int err; LOCK_TEST_WITH_RETURN(dev, file_priv); - DRM_COPY_FROM_USER_IOCTL(init, (drm_mga_init_t __user *) data, - sizeof(init)); - - switch (init.func) { + switch (init->func) { case MGA_INIT_DMA: - err = mga_do_init_dma(dev, &init); + err = mga_do_init_dma(dev, init); if (err) { (void) mga_do_cleanup_dma(dev, FULL_CLEANUP); } @@ -1039,29 +1029,26 @@ int mga_dma_init(DRM_IOCTL_ARGS) * Primary DMA stream management */ -int mga_dma_flush(DRM_IOCTL_ARGS) +int mga_dma_flush(struct drm_device *dev, void *data, + struct drm_file *file_priv) { - DRM_DEVICE; drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private; - struct drm_lock lock; + struct drm_lock *lock = data; LOCK_TEST_WITH_RETURN(dev, file_priv); - DRM_COPY_FROM_USER_IOCTL(lock, (struct drm_lock __user *) 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, " : ""); + (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)) { + if (lock->flags & (_DRM_LOCK_FLUSH | _DRM_LOCK_FLUSH_ALL)) { mga_do_dma_flush(dev_priv); } - if (lock.flags & _DRM_LOCK_QUIESCENT) { + if (lock->flags & _DRM_LOCK_QUIESCENT) { #if MGA_DMA_DEBUG int ret = mga_do_wait_for_idle(dev_priv); if (ret < 0) @@ -1075,9 +1062,9 @@ int mga_dma_flush(DRM_IOCTL_ARGS) } } -int mga_dma_reset(DRM_IOCTL_ARGS) +int mga_dma_reset(struct drm_device *dev, void *data, + struct drm_file *file_priv) { - DRM_DEVICE; drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private; LOCK_TEST_WITH_RETURN(dev, file_priv); @@ -1114,45 +1101,40 @@ static int mga_dma_get_buffers(struct drm_device * dev, return 0; } -int mga_dma_buffers(DRM_IOCTL_ARGS) +int mga_dma_buffers(struct drm_device *dev, void *data, + struct drm_file *file_priv) { - DRM_DEVICE; struct drm_device_dma *dma = dev->dma; drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private; - struct drm_dma __user *argp = (void __user *)data; - struct drm_dma d; + struct drm_dma *d = data; int ret = 0; LOCK_TEST_WITH_RETURN(dev, file_priv); - DRM_COPY_FROM_USER_IOCTL(d, argp, sizeof(d)); - /* Please don't send us buffers. */ - if (d.send_count != 0) { + if (d->send_count != 0) { DRM_ERROR("Process %d trying to send %d buffers via drmDMA\n", - DRM_CURRENTPID, d.send_count); + DRM_CURRENTPID, d->send_count); return -EINVAL; } /* We'll send you buffers. */ - if (d.request_count < 0 || d.request_count > dma->buf_count) { + 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); + DRM_CURRENTPID, d->request_count, dma->buf_count); return -EINVAL; } WRAP_TEST_WITH_RETURN(dev_priv); - d.granted_count = 0; + d->granted_count = 0; - if (d.request_count) { - ret = mga_dma_get_buffers(dev, file_priv, &d); + if (d->request_count) { + ret = mga_dma_get_buffers(dev, file_priv, d); } - DRM_COPY_TO_USER_IOCTL(argp, d, sizeof(d)); - return ret; } -- cgit v1.2.3