From 7e2bbe295424adfcd455a4c4b42dd0342087615e Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Tue, 13 Mar 2007 13:43:14 +1100 Subject: nouveau: s/fifo/channel/ --- shared-core/nouveau_object.c | 101 ++++++++++++++++++++++--------------------- 1 file changed, 52 insertions(+), 49 deletions(-) (limited to 'shared-core/nouveau_object.c') diff --git a/shared-core/nouveau_object.c b/shared-core/nouveau_object.c index b3c4b0e0..ed214c69 100644 --- a/shared-core/nouveau_object.c +++ b/shared-core/nouveau_object.c @@ -44,8 +44,8 @@ * in the future when we can access more instance ram which isn't mapped into * the PRAMIN aperture */ -uint32_t nouveau_chip_instance_get(drm_device_t *dev, - struct mem_block *mem) +uint32_t +nouveau_chip_instance_get(drm_device_t *dev, struct mem_block *mem) { uint32_t inst = (uint32_t)mem->start >> 4; DRM_DEBUG("****** on-chip instance for 0x%016llx = 0x%08x\n", @@ -53,34 +53,35 @@ uint32_t nouveau_chip_instance_get(drm_device_t *dev, return inst; } -static void nouveau_object_link(drm_device_t *dev, int fifo_num, - struct nouveau_object *obj) +static void +nouveau_object_link(drm_device_t *dev, int channel, struct nouveau_object *obj) { drm_nouveau_private_t *dev_priv=dev->dev_private; - struct nouveau_fifo *fifo = &dev_priv->fifos[fifo_num]; + struct nouveau_fifo *chan = &dev_priv->fifos[channel]; - if (!fifo->objs) { - fifo->objs = obj; + if (!chan->objs) { + chan->objs = obj; return; } obj->prev = NULL; - obj->next = fifo->objs; + obj->next = chan->objs; - fifo->objs->prev = obj; - fifo->objs = obj; + chan->objs->prev = obj; + chan->objs = obj; } -static void nouveau_object_unlink(drm_device_t *dev, int fifo_num, - struct nouveau_object *obj) +static void +nouveau_object_unlink(drm_device_t *dev, int channel, + struct nouveau_object *obj) { drm_nouveau_private_t *dev_priv=dev->dev_private; - struct nouveau_fifo *fifo = &dev_priv->fifos[fifo_num]; + struct nouveau_fifo *chan = &dev_priv->fifos[channel]; if (obj->prev == NULL) { if (obj->next) obj->next->prev = NULL; - fifo->objs = obj->next; + chan->objs = obj->next; } else if (obj->next == NULL) { if (obj->prev) obj->prev->next = NULL; @@ -91,11 +92,11 @@ static void nouveau_object_unlink(drm_device_t *dev, int fifo_num, } static struct nouveau_object * -nouveau_object_handle_find(drm_device_t *dev, int fifo_num, uint32_t handle) +nouveau_object_handle_find(drm_device_t *dev, int channel, uint32_t handle) { drm_nouveau_private_t *dev_priv=dev->dev_private; - struct nouveau_fifo *fifo = &dev_priv->fifos[fifo_num]; - struct nouveau_object *obj = fifo->objs; + struct nouveau_fifo *chan = &dev_priv->fifos[channel]; + struct nouveau_object *obj = chan->objs; DRM_DEBUG("Looking for handle 0x%08x\n", handle); while (obj) { @@ -138,8 +139,8 @@ nouveau_object_handle_find(drm_device_t *dev, int fifo_num, uint32_t handle) The key into the hash table depends on the object handle and channel id and is given as: */ -static uint32_t nouveau_handle_hash(drm_device_t* dev, uint32_t handle, - int fifo) +static uint32_t +nouveau_ht_handle_hash(drm_device_t *dev, int channel, uint32_t handle) { drm_nouveau_private_t *dev_priv=dev->dev_private; uint32_t hash = 0; @@ -149,19 +150,20 @@ static uint32_t nouveau_handle_hash(drm_device_t* dev, uint32_t handle, hash ^= (handle & ((1 << dev_priv->ramht_bits) - 1)); handle >>= dev_priv->ramht_bits; } - hash ^= fifo << (dev_priv->ramht_bits - 4); + hash ^= channel << (dev_priv->ramht_bits - 4); return hash << 3; } -static int nouveau_hash_table_insert(drm_device_t* dev, int fifo, - struct nouveau_object *obj) +static int +nouveau_ht_object_insert(drm_device_t* dev, int channel, + struct nouveau_object *obj) { 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; - o_ofs = ofs = nouveau_handle_hash(dev, obj->handle, fifo); + 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; @@ -174,19 +176,19 @@ static int nouveau_hash_table_insert(drm_device_t* dev, int fifo, ofs += ht_base; DRM_DEBUG("Channel %d - Handle 0x%08x at 0x%08x\n", - fifo, obj->handle, ofs); + 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, - (fifo << NV40_RAMHT_CONTEXT_CHANNEL_SHIFT) | + (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 | - (fifo << NV_RAMHT_CONTEXT_CHANNEL_SHIFT) | + (channel << NV_RAMHT_CONTEXT_CHANNEL_SHIFT) | (obj->engine << NV_RAMHT_CONTEXT_ENGINE_SHIFT) | nouveau_chip_instance_get(dev, obj->instance) ); @@ -445,9 +447,9 @@ nouveau_context_object_create(drm_device_t* dev, int class) } static void -nouveau_object_free(drm_device_t *dev, int fifo_num, struct nouveau_object *obj) +nouveau_object_free(drm_device_t *dev, int channel, struct nouveau_object *obj) { - nouveau_object_unlink(dev, fifo_num, obj); + nouveau_object_unlink(dev, channel, obj); nouveau_object_instance_free(dev, obj); nouveau_hash_table_remove(dev, obj); @@ -459,14 +461,15 @@ nouveau_object_free(drm_device_t *dev, int fifo_num, struct nouveau_object *obj) void nouveau_object_cleanup(drm_device_t *dev, DRMFILE filp) { drm_nouveau_private_t *dev_priv=dev->dev_private; - int fifo; + int channel; - fifo = nouveau_fifo_id_get(dev, filp); - if (fifo == -1) + channel = nouveau_fifo_id_get(dev, filp); + if (channel == -1) return; - while (dev_priv->fifos[fifo].objs) - nouveau_object_free(dev, fifo, dev_priv->fifos[fifo].objs); + while (dev_priv->fifos[channel].objs) + nouveau_object_free(dev, channel, + dev_priv->fifos[channel].objs); } int nouveau_ioctl_object_init(DRM_IOCTL_ARGS) @@ -474,10 +477,10 @@ int nouveau_ioctl_object_init(DRM_IOCTL_ARGS) DRM_DEVICE; drm_nouveau_object_init_t init; struct nouveau_object *obj; - int fifo; + int channel; - fifo = nouveau_fifo_id_get(dev, filp); - if (fifo == -1) + channel = nouveau_fifo_id_get(dev, filp); + if (channel == -1) return DRM_ERR(EINVAL); DRM_COPY_FROM_USER_IOCTL(init, (drm_nouveau_object_init_t __user *) @@ -485,9 +488,9 @@ int nouveau_ioctl_object_init(DRM_IOCTL_ARGS) //FIXME: check args, only allow trusted objects to be created - if (nouveau_object_handle_find(dev, fifo, init.handle)) { + if (nouveau_object_handle_find(dev, channel, init.handle)) { DRM_ERROR("Channel %d: handle 0x%08x already exists\n", - fifo, init.handle); + channel, init.handle); return DRM_ERR(EINVAL); } @@ -496,12 +499,12 @@ int nouveau_ioctl_object_init(DRM_IOCTL_ARGS) return DRM_ERR(ENOMEM); obj->handle = init.handle; - if (nouveau_hash_table_insert(dev, fifo, obj)) { - nouveau_object_free(dev, fifo, obj); + if (nouveau_ht_object_insert(dev, channel, obj)) { + nouveau_object_free(dev, channel, obj); return DRM_ERR(ENOMEM); } - nouveau_object_link(dev, fifo, obj); + nouveau_object_link(dev, channel, obj); return 0; } @@ -569,10 +572,10 @@ int nouveau_ioctl_dma_object_init(DRM_IOCTL_ARGS) DRM_DEVICE; drm_nouveau_dma_object_init_t init; struct nouveau_object *obj; - int fifo; + int channel; - fifo = nouveau_fifo_id_get(dev, filp); - if (fifo == -1) + channel = nouveau_fifo_id_get(dev, filp); + if (channel == -1) return DRM_ERR(EINVAL); DRM_COPY_FROM_USER_IOCTL(init, (drm_nouveau_dma_object_init_t __user *) @@ -581,9 +584,9 @@ int nouveau_ioctl_dma_object_init(DRM_IOCTL_ARGS) if (nouveau_dma_object_check_access(dev, &init)) return DRM_ERR(EPERM); - if (nouveau_object_handle_find(dev, fifo, init.handle)) { + if (nouveau_object_handle_find(dev, channel, init.handle)) { DRM_ERROR("Channel %d: handle 0x%08x already exists\n", - fifo, init.handle); + channel, init.handle); return DRM_ERR(EINVAL); } @@ -594,12 +597,12 @@ int nouveau_ioctl_dma_object_init(DRM_IOCTL_ARGS) return DRM_ERR(ENOMEM); obj->handle = init.handle; - if (nouveau_hash_table_insert(dev, fifo, obj)) { - nouveau_object_free(dev, fifo, obj); + if (nouveau_ht_object_insert(dev, channel, obj)) { + nouveau_object_free(dev, channel, obj); return DRM_ERR(ENOMEM); } - nouveau_object_link(dev, fifo, obj); + nouveau_object_link(dev, channel, obj); return 0; } -- cgit v1.2.3