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authorAlan Hourihane <alanh@fairlite.demon.co.uk>2007-06-29 20:09:44 +0100
committerAlan Hourihane <alanh@fairlite.demon.co.uk>2007-06-29 20:09:44 +0100
commit8a78dead291ffdb5a8774419cdca369a1e27cad9 (patch)
tree399b8378e32036bdc7dadc10c639465a8fb21681 /shared-core/nouveau_object.c
parente79e2a58161d44754fd55507e155b7e12a09c4d2 (diff)
parenta27af4c4a665864df09123f177ca7269e48f6171 (diff)
Merge branch 'master' of git+ssh://git.freedesktop.org/git/mesa/drm into modesetting-101
Conflicts: linux-core/drm_drv.c linux-core/drm_fops.c linux-core/drm_objects.h linux-core/drm_stub.c shared-core/i915_dma.c
Diffstat (limited to 'shared-core/nouveau_object.c')
-rw-r--r--shared-core/nouveau_object.c268
1 files changed, 123 insertions, 145 deletions
diff --git a/shared-core/nouveau_object.c b/shared-core/nouveau_object.c
index ace7c2aa..dac08df4 100644
--- a/shared-core/nouveau_object.c
+++ b/shared-core/nouveau_object.c
@@ -139,7 +139,7 @@ nouveau_object_handle_find(drm_device_t *dev, int channel, uint32_t handle)
is given as:
*/
static uint32_t
-nouveau_ht_handle_hash(drm_device_t *dev, int channel, uint32_t handle)
+nouveau_ramht_hash_handle(drm_device_t *dev, int channel, uint32_t handle)
{
drm_nouveau_private_t *dev_priv=dev->dev_private;
uint32_t hash = 0;
@@ -154,62 +154,89 @@ nouveau_ht_handle_hash(drm_device_t *dev, int channel, uint32_t handle)
}
static int
-nouveau_ht_object_insert(drm_device_t* dev, int channel, uint32_t handle,
- struct nouveau_object *obj)
+nouveau_ramht_entry_valid(drm_device_t *dev, uint32_t ramht, uint32_t offset)
{
drm_nouveau_private_t *dev_priv=dev->dev_private;
- int ht_base = NV_RAMIN + dev_priv->ramht_offset;
- int ht_end = ht_base + dev_priv->ramht_size;
- int o_ofs, ofs;
-
- obj->handle = handle;
- o_ofs = ofs = nouveau_ht_handle_hash(dev, channel, obj->handle);
-
- while (NV_READ(ht_base + ofs) || NV_READ(ht_base + ofs + 4)) {
- ofs += 8;
- if (ofs == ht_end) ofs = ht_base;
- if (ofs == o_ofs) {
- DRM_ERROR("no free hash table entries\n");
- return 1;
- }
+ uint32_t ctx = NV_RI32(ramht + offset + 4);
+
+ if (dev_priv->card_type < NV_40)
+ return ((ctx & NV_RAMHT_CONTEXT_VALID) != 0);
+ return (ctx != 0);
+}
+
+int
+nouveau_ramht_insert(drm_device_t* dev, int channel, uint32_t handle,
+ struct nouveau_object *obj)
+{
+ drm_nouveau_private_t *dev_priv=dev->dev_private;
+ uint32_t ramht = dev_priv->ramht_offset;
+ uint32_t ctx, co, ho;
+ uint32_t inst;
+
+ inst = nouveau_chip_instance_get(dev, obj->instance);
+ if (dev_priv->card_type < NV_40) {
+ ctx = NV_RAMHT_CONTEXT_VALID | inst |
+ (channel << NV_RAMHT_CONTEXT_CHANNEL_SHIFT) |
+ (obj->engine << NV_RAMHT_CONTEXT_ENGINE_SHIFT);
+ } else
+ if (dev_priv->card_type < NV_50) {
+ ctx = inst |
+ (channel << NV40_RAMHT_CONTEXT_CHANNEL_SHIFT) |
+ (obj->engine << NV40_RAMHT_CONTEXT_ENGINE_SHIFT);
+ } else {
+ ctx = inst |
+ (obj->engine << NV40_RAMHT_CONTEXT_ENGINE_SHIFT);
}
- ofs += ht_base;
-
- DRM_DEBUG("Channel %d - Handle 0x%08x at 0x%08x\n",
- channel, obj->handle, ofs);
-
- NV_WRITE(NV_RAMHT_HANDLE_OFFSET + ofs, obj->handle);
- if (dev_priv->card_type >= NV_40)
- NV_WRITE(NV_RAMHT_CONTEXT_OFFSET + ofs,
- (channel << NV40_RAMHT_CONTEXT_CHANNEL_SHIFT) |
- (obj->engine << NV40_RAMHT_CONTEXT_ENGINE_SHIFT) |
- nouveau_chip_instance_get(dev, obj->instance)
- );
- else
- NV_WRITE(NV_RAMHT_CONTEXT_OFFSET + ofs,
- NV_RAMHT_CONTEXT_VALID |
- (channel << NV_RAMHT_CONTEXT_CHANNEL_SHIFT) |
- (obj->engine << NV_RAMHT_CONTEXT_ENGINE_SHIFT) |
- nouveau_chip_instance_get(dev, obj->instance)
- );
-
- obj->ht_loc = ofs;
- return 0;
+
+ co = ho = nouveau_ramht_hash_handle(dev, channel, handle);
+ do {
+ if (!nouveau_ramht_entry_valid(dev, ramht, co)) {
+ DRM_DEBUG("insert ch%d 0x%08x: h=0x%08x, c=0x%08x\n",
+ channel, co, handle, ctx);
+ NV_WI32(ramht + co + 0, handle);
+ NV_WI32(ramht + co + 4, ctx);
+ obj->handle = handle;
+ return 0;
+ }
+ DRM_DEBUG("collision ch%d 0x%08x: h=0x%08x\n",
+ channel, co, NV_RI32(ramht + co));
+
+ co += 8;
+ if (co == dev_priv->ramht_size)
+ co = 0;
+ } while (co != ho);
+
+ DRM_ERROR("RAMHT space exhausted. ch=%d\n", channel);
+ return DRM_ERR(ENOMEM);
}
-static void nouveau_hash_table_remove(drm_device_t* dev,
- struct nouveau_object *obj)
+static void
+nouveau_ramht_remove(drm_device_t* dev, struct nouveau_object *obj)
{
drm_nouveau_private_t *dev_priv = dev->dev_private;
+ uint32_t ramht = dev_priv->ramht_offset;
+ uint32_t co, ho;
+
+ co = ho = nouveau_ramht_hash_handle(dev, obj->channel, obj->handle);
+ do {
+ if (nouveau_ramht_entry_valid(dev, ramht, co) &&
+ (obj->handle == NV_RI32(ramht + co))) {
+ DRM_DEBUG("remove ch%d 0x%08x: h=0x%08x, c=0x%08x\n",
+ obj->channel, co, obj->handle,
+ NV_RI32(ramht + co + 4));
+ NV_WI32(ramht + co + 0, 0x00000000);
+ NV_WI32(ramht + co + 4, 0x00000000);
+ obj->handle = ~0;
+ return;
+ }
- DRM_DEBUG("Remove handle 0x%08x at 0x%08x from HT\n",
- obj->handle, obj->ht_loc);
- if (obj->ht_loc) {
- DRM_DEBUG("... HT entry was: 0x%08x/0x%08x\n",
- NV_READ(obj->ht_loc), NV_READ(obj->ht_loc+4));
- NV_WRITE(obj->ht_loc , 0x00000000);
- NV_WRITE(obj->ht_loc+4, 0x00000000);
- }
+ co += 8;
+ if (co == dev_priv->ramht_size)
+ co = 0;
+ } while (co != ho);
+
+ DRM_ERROR("RAMHT entry not found. ch=%d, handle=0x%08x\n",
+ obj->channel, obj->handle);
}
static struct nouveau_object *
@@ -457,119 +484,74 @@ nouveau_object_free(drm_device_t *dev, struct nouveau_object *obj)
{
nouveau_object_instance_free(dev, obj);
if (obj->handle != ~0)
- nouveau_hash_table_remove(dev, obj);
+ nouveau_ramht_remove(dev, obj);
drm_free(obj, sizeof(struct nouveau_object), DRM_MEM_DRIVER);
}
-void nouveau_object_cleanup(drm_device_t *dev, int channel)
-{
- drm_nouveau_private_t *dev_priv=dev->dev_private;
-
- while (dev_priv->fifos[channel].objs) {
- nouveau_object_free(dev, dev_priv->fifos[channel].objs);
- }
-}
-
-int nouveau_ioctl_object_init(DRM_IOCTL_ARGS)
+int
+nouveau_object_init_channel(drm_device_t *dev, int channel,
+ uint32_t vram_handle,
+ uint32_t tt_handle)
{
- DRM_DEVICE;
- drm_nouveau_object_init_t init;
- struct nouveau_object *obj;
-
- DRM_COPY_FROM_USER_IOCTL(init, (drm_nouveau_object_init_t __user *)
- data, sizeof(init));
-
- if (!nouveau_fifo_owner(dev, filp, init.channel)) {
- DRM_ERROR("pid %d doesn't own channel %d\n",
- DRM_CURRENTPID, init.channel);
- return DRM_ERR(EINVAL);
+ drm_nouveau_private_t *dev_priv = dev->dev_private;
+ struct nouveau_object *gpuobj;
+ int ret;
+
+ /* VRAM ctxdma */
+ gpuobj = nouveau_object_dma_create(dev, channel, NV_CLASS_DMA_IN_MEMORY,
+ 0, dev_priv->fb_available_size,
+ NV_DMA_ACCESS_RW,
+ NV_DMA_TARGET_VIDMEM);
+ if (!gpuobj) {
+ DRM_ERROR("Error creating VRAM ctxdma: %d\n", DRM_ERR(ENOMEM));
+ return DRM_ERR(ENOMEM);
}
- //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);
+ ret = nouveau_ramht_insert(dev, channel, vram_handle, gpuobj);
+ if (ret) {
+ DRM_ERROR("Error referencing VRAM ctxdma: %d\n", ret);
+ return ret;
}
- obj = nouveau_object_gr_create(dev, init.channel, init.class);
- if (!obj)
+ /* non-AGP unimplemented */
+ if (dev_priv->agp_heap == NULL)
+ return 0;
+
+ /* GART ctxdma */
+ gpuobj = nouveau_object_dma_create(dev, channel, NV_CLASS_DMA_IN_MEMORY,
+ 0, dev_priv->agp_available_size,
+ NV_DMA_ACCESS_RW,
+ NV_DMA_TARGET_AGP);
+ if (!gpuobj) {
+ DRM_ERROR("Error creating TT ctxdma: %d\n", DRM_ERR(ENOMEM));
return DRM_ERR(ENOMEM);
+ }
- if (nouveau_ht_object_insert(dev, init.channel, init.handle, obj)) {
- nouveau_object_free(dev, obj);
- return DRM_ERR(ENOMEM);
+ ret = nouveau_ramht_insert(dev, channel, tt_handle, gpuobj);
+ if (ret) {
+ DRM_ERROR("Error referencing TT ctxdma: %d\n", ret);
+ return ret;
}
return 0;
}
-static int
-nouveau_dma_object_check_access(drm_device_t *dev,
- drm_nouveau_dma_object_init_t *init)
+void nouveau_object_cleanup(drm_device_t *dev, int channel)
{
- drm_nouveau_private_t *dev_priv = dev->dev_private;
- uint64_t limit;
-
- /* Check for known DMA object classes */
- switch (init->class) {
- case NV_CLASS_DMA_IN_MEMORY:
- case NV_CLASS_DMA_FROM_MEMORY:
- case NV_CLASS_DMA_TO_MEMORY:
- break;
- default:
- DRM_ERROR("invalid class = 0x%x\n", init->class);
- return DRM_ERR(EPERM);
- }
-
- /* Check access mode, and translate to NV_DMA_ACCESS_* */
- switch (init->access) {
- case NOUVEAU_MEM_ACCESS_RO:
- init->access = NV_DMA_ACCESS_RO;
- break;
- case NOUVEAU_MEM_ACCESS_WO:
- init->access = NV_DMA_ACCESS_WO;
- break;
- case NOUVEAU_MEM_ACCESS_RW:
- init->access = NV_DMA_ACCESS_RW;
- break;
- default:
- DRM_ERROR("invalid access mode = %d\n", init->access);
- return DRM_ERR(EPERM);
- }
-
- /* Check that request is within the allowed limits of "target" */
- switch (init->target) {
- case NOUVEAU_MEM_FB:
- limit = dev_priv->fb_available_size;
- init->target = NV_DMA_TARGET_VIDMEM;
- break;
- case NOUVEAU_MEM_AGP:
- limit = dev_priv->agp_available_size;
- init->target = NV_DMA_TARGET_AGP;
- break;
- default:
- DRM_ERROR("invalid target = 0x%x\n", init->target);
- return DRM_ERR(EPERM);
- }
+ drm_nouveau_private_t *dev_priv=dev->dev_private;
- if ((init->offset > limit) || (init->offset + init->size) > limit) {
- DRM_ERROR("access out of allowed range (%d,0x%08x,0x%08x)\n",
- init->target, init->offset, init->size);
- return DRM_ERR(EPERM);
+ while (dev_priv->fifos[channel].objs) {
+ nouveau_object_free(dev, dev_priv->fifos[channel].objs);
}
-
- return 0;
}
-int nouveau_ioctl_dma_object_init(DRM_IOCTL_ARGS)
+int nouveau_ioctl_grobj_alloc(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
- drm_nouveau_dma_object_init_t init;
+ drm_nouveau_grobj_alloc_t init;
struct nouveau_object *obj;
- DRM_COPY_FROM_USER_IOCTL(init, (drm_nouveau_dma_object_init_t __user *)
+ DRM_COPY_FROM_USER_IOCTL(init, (drm_nouveau_grobj_alloc_t __user *)
data, sizeof(init));
if (!nouveau_fifo_owner(dev, filp, init.channel)) {
@@ -578,8 +560,7 @@ int nouveau_ioctl_dma_object_init(DRM_IOCTL_ARGS)
return DRM_ERR(EINVAL);
}
- if (nouveau_dma_object_check_access(dev, &init))
- return DRM_ERR(EPERM);
+ //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",
@@ -587,14 +568,11 @@ int nouveau_ioctl_dma_object_init(DRM_IOCTL_ARGS)
return DRM_ERR(EINVAL);
}
- obj = nouveau_object_dma_create(dev, init.channel, init.class,
- init.offset, init.size,
- init.access, init.target);
+ obj = nouveau_object_gr_create(dev, init.channel, init.class);
if (!obj)
return DRM_ERR(ENOMEM);
- obj->handle = init.handle;
- if (nouveau_ht_object_insert(dev, init.channel, init.handle, obj)) {
+ if (nouveau_ramht_insert(dev, init.channel, init.handle, obj)) {
nouveau_object_free(dev, obj);
return DRM_ERR(ENOMEM);
}