1 files changed, 330 insertions, 96 deletions

diff --git a/drivers/gpu/drm/nouveau/nouveau_abi16.c b/drivers/gpu/drm/nouveau/nouveau_abi16.c
index 111d9eba7065..cc79c796afee 100644
--- a/drivers/gpu/drm/nouveau/nouveau_abi16.c
+++ b/drivers/gpu/drm/nouveau/nouveau_abi16.c
@@ -21,23 +21,153 @@
  *
  */
 
-#include <drm/drmP.h>
+#include <core/object.h>
+#include <core/client.h>
+#include <core/device.h>
+#include <core/class.h>
+#include <core/mm.h>
 
-#include "nouveau_drv.h"
+#include <subdev/fb.h>
+#include <subdev/timer.h>
+#include <subdev/instmem.h>
+
+#include "nouveau_drm.h"
 #include "nouveau_dma.h"
+#include "nouveau_gem.h"
+#include "nouveau_chan.h"
 #include "nouveau_abi16.h"
-#include "nouveau_ramht.h"
-#include "nouveau_software.h"
+
+struct nouveau_abi16 *
+nouveau_abi16_get(struct drm_file *file_priv, struct drm_device *dev)
+{
+	struct nouveau_cli *cli = nouveau_cli(file_priv);
+	mutex_lock(&cli->mutex);
+	if (!cli->abi16) {
+		struct nouveau_abi16 *abi16;
+		cli->abi16 = abi16 = kzalloc(sizeof(*abi16), GFP_KERNEL);
+		if (cli->abi16) {
+			INIT_LIST_HEAD(&abi16->channels);
+			abi16->client = nv_object(cli);
+
+			/* allocate device object targeting client's default
+			 * device (ie. the one that belongs to the fd it
+			 * opened)
+			 */
+			if (nouveau_object_new(abi16->client, NVDRM_CLIENT,
+					       NVDRM_DEVICE, 0x0080,
+					       &(struct nv_device_class) {
+						.device = ~0ULL,
+					       },
+					       sizeof(struct nv_device_class),
+					       &abi16->device) == 0)
+				return cli->abi16;
+
+			kfree(cli->abi16);
+			cli->abi16 = NULL;
+		}
+
+		mutex_unlock(&cli->mutex);
+	}
+	return cli->abi16;
+}
+
+int
+nouveau_abi16_put(struct nouveau_abi16 *abi16, int ret)
+{
+	struct nouveau_cli *cli = (void *)abi16->client;
+	mutex_unlock(&cli->mutex);
+	return ret;
+}
+
+u16
+nouveau_abi16_swclass(struct nouveau_drm *drm)
+{
+	switch (nv_device(drm->device)->card_type) {
+	case NV_04:
+		return 0x006e;
+	case NV_10:
+	case NV_20:
+	case NV_30:
+	case NV_40:
+		return 0x016e;
+	case NV_50:
+		return 0x506e;
+	case NV_C0:
+	case NV_D0:
+	case NV_E0:
+		return 0x906e;
+	}
+
+	return 0x0000;
+}
+
+static void
+nouveau_abi16_ntfy_fini(struct nouveau_abi16_chan *chan,
+			struct nouveau_abi16_ntfy *ntfy)
+{
+	nouveau_mm_free(&chan->heap, &ntfy->node);
+	list_del(&ntfy->head);
+	kfree(ntfy);
+}
+
+static void
+nouveau_abi16_chan_fini(struct nouveau_abi16 *abi16,
+			struct nouveau_abi16_chan *chan)
+{
+	struct nouveau_abi16_ntfy *ntfy, *temp;
+
+	/* cleanup notifier state */
+	list_for_each_entry_safe(ntfy, temp, &chan->notifiers, head) {
+		nouveau_abi16_ntfy_fini(chan, ntfy);
+	}
+
+	if (chan->ntfy) {
+		nouveau_bo_vma_del(chan->ntfy, &chan->ntfy_vma);
+		drm_gem_object_unreference_unlocked(chan->ntfy->gem);
+	}
+
+	if (chan->heap.block_size)
+		nouveau_mm_fini(&chan->heap);
+
+	/* destroy channel object, all children will be killed too */
+	if (chan->chan) {
+		abi16->handles &= ~(1 << (chan->chan->handle & 0xffff));
+		nouveau_channel_del(&chan->chan);
+	}
+
+	list_del(&chan->head);
+	kfree(chan);
+}
+
+void
+nouveau_abi16_fini(struct nouveau_abi16 *abi16)
+{
+	struct nouveau_cli *cli = (void *)abi16->client;
+	struct nouveau_abi16_chan *chan, *temp;
+
+	/* cleanup channels */
+	list_for_each_entry_safe(chan, temp, &abi16->channels, head) {
+		nouveau_abi16_chan_fini(abi16, chan);
+	}
+
+	/* destroy the device object */
+	nouveau_object_del(abi16->client, NVDRM_CLIENT, NVDRM_DEVICE);
+
+	kfree(cli->abi16);
+	cli->abi16 = NULL;
+}
 
 int
 nouveau_abi16_ioctl_getparam(ABI16_IOCTL_ARGS)
 {
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
+	struct nouveau_drm *drm = nouveau_drm(dev);
+	struct nouveau_device *device = nv_device(drm->device);
+	struct nouveau_timer *ptimer = nouveau_timer(device);
 	struct drm_nouveau_getparam *getparam = data;
 
 	switch (getparam->param) {
 	case NOUVEAU_GETPARAM_CHIPSET_ID:
-		getparam->value = dev_priv->chipset;
+		getparam->value = device->chipset;
 		break;
 	case NOUVEAU_GETPARAM_PCI_VENDOR:
 		getparam->value = dev->pci_vendor;
@@ -55,16 +185,16 @@ nouveau_abi16_ioctl_getparam(ABI16_IOCTL_ARGS)
 			getparam->value = 2;
 		break;
 	case NOUVEAU_GETPARAM_FB_SIZE:
-		getparam->value = dev_priv->fb_available_size;
+		getparam->value = drm->gem.vram_available;
 		break;
 	case NOUVEAU_GETPARAM_AGP_SIZE:
-		getparam->value = dev_priv->gart_info.aper_size;
+		getparam->value = drm->gem.gart_available;
 		break;
 	case NOUVEAU_GETPARAM_VM_VRAM_BASE:
 		getparam->value = 0; /* deprecated */
 		break;
 	case NOUVEAU_GETPARAM_PTIMER_TIME:
-		getparam->value = dev_priv->engine.timer.read(dev);
+		getparam->value = ptimer->read(ptimer);
 		break;
 	case NOUVEAU_GETPARAM_HAS_BO_USAGE:
 		getparam->value = 1;
@@ -76,13 +206,13 @@ nouveau_abi16_ioctl_getparam(ABI16_IOCTL_ARGS)
 		/* NV40 and NV50 versions are quite different, but register
 		 * address is the same. User is supposed to know the card
 		 * family anyway... */
-		if (dev_priv->chipset >= 0x40) {
-			getparam->value = nv_rd32(dev, NV40_PMC_GRAPH_UNITS);
+		if (device->chipset >= 0x40) {
+			getparam->value = nv_rd32(device, 0x001540);
 			break;
 		}
 		/* FALLTHRU */
 	default:
-		NV_DEBUG(dev, "unknown parameter %lld\n", getparam->param);
+		nv_debug(device, "unknown parameter %lld\n", getparam->param);
 		return -EINVAL;
 	}
 
@@ -98,148 +228,252 @@ nouveau_abi16_ioctl_setparam(ABI16_IOCTL_ARGS)
 int
 nouveau_abi16_ioctl_channel_alloc(ABI16_IOCTL_ARGS)
 {
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
 	struct drm_nouveau_channel_alloc *init = data;
-	struct nouveau_channel *chan;
+	struct nouveau_cli *cli = nouveau_cli(file_priv);
+	struct nouveau_drm *drm = nouveau_drm(dev);
+	struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev);
+	struct nouveau_abi16_chan *chan;
+	struct nouveau_client *client;
+	struct nouveau_device *device;
+	struct nouveau_instmem *imem;
+	struct nouveau_fb *pfb;
 	int ret;
 
-	if (!dev_priv->eng[NVOBJ_ENGINE_GR])
-		return -ENODEV;
+	if (unlikely(!abi16))
+		return -ENOMEM;
+	client = nv_client(abi16->client);
 
 	if (init->fb_ctxdma_handle == ~0 || init->tt_ctxdma_handle == ~0)
-		return -EINVAL;
+		return nouveau_abi16_put(abi16, -EINVAL);
+
+	device = nv_device(abi16->device);
+	imem   = nouveau_instmem(device);
+	pfb    = nouveau_fb(device);
+
+	/* allocate "abi16 channel" data and make up a handle for it */
+	init->channel = ffsll(~abi16->handles);
+	if (!init->channel--)
+		return nouveau_abi16_put(abi16, -ENOSPC);
+
+	chan = kzalloc(sizeof(*chan), GFP_KERNEL);
+	if (!chan)
+		return nouveau_abi16_put(abi16, -ENOMEM);
+
+	INIT_LIST_HEAD(&chan->notifiers);
+	list_add(&chan->head, &abi16->channels);
+	abi16->handles |= (1 << init->channel);
+
+	/* create channel object and initialise dma and fence management */
+	if (device->card_type >= NV_E0) {
+		init->fb_ctxdma_handle = NVE0_CHANNEL_IND_ENGINE_GR;
+		init->tt_ctxdma_handle = 0;
+	}
 
-	ret = nouveau_channel_alloc(dev, &chan, file_priv,
-				    init->fb_ctxdma_handle,
-				    init->tt_ctxdma_handle);
+	ret = nouveau_channel_new(drm, cli, NVDRM_DEVICE, NVDRM_CHAN |
+				  init->channel, init->fb_ctxdma_handle,
+				  init->tt_ctxdma_handle, &chan->chan);
 	if (ret)
-		return ret;
-	init->channel  = chan->id;
-
-	if (nouveau_vram_pushbuf == 0) {
-		if (chan->dma.ib_max)
-			init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM |
-						NOUVEAU_GEM_DOMAIN_GART;
-		else if (chan->pushbuf_bo->bo.mem.mem_type == TTM_PL_VRAM)
-			init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM;
-		else
-			init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_GART;
-	} else {
+		goto done;
+
+	if (device->card_type >= NV_50)
+		init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM |
+					NOUVEAU_GEM_DOMAIN_GART;
+	else
+	if (chan->chan->push.buffer->bo.mem.mem_type == TTM_PL_VRAM)
 		init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM;
-	}
+	else
+		init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_GART;
 
-	if (dev_priv->card_type < NV_C0) {
+	if (device->card_type < NV_C0) {
 		init->subchan[0].handle = 0x00000000;
 		init->subchan[0].grclass = 0x0000;
 		init->subchan[1].handle = NvSw;
-		init->subchan[1].grclass = NV_SW;
+		init->subchan[1].grclass = 0x506e;
 		init->nr_subchan = 2;
 	}
 
 	/* Named memory object area */
-	ret = drm_gem_handle_create(file_priv, chan->notifier_bo->gem,
+	ret = nouveau_gem_new(dev, PAGE_SIZE, 0, NOUVEAU_GEM_DOMAIN_GART,
+			      0, 0, &chan->ntfy);
+	if (ret == 0)
+		ret = nouveau_bo_pin(chan->ntfy, TTM_PL_FLAG_TT);
+	if (ret)
+		goto done;
+
+	if (device->card_type >= NV_50) {
+		ret = nouveau_bo_vma_add(chan->ntfy, client->vm,
+					&chan->ntfy_vma);
+		if (ret)
+			goto done;
+	}
+
+	ret = drm_gem_handle_create(file_priv, chan->ntfy->gem,
 				    &init->notifier_handle);
+	if (ret)
+		goto done;
 
-	if (ret == 0)
-		atomic_inc(&chan->users); /* userspace reference */
-	nouveau_channel_put(&chan);
-	return ret;
+	ret = nouveau_mm_init(&chan->heap, 0, PAGE_SIZE, 1);
+done:
+	if (ret)
+		nouveau_abi16_chan_fini(abi16, chan);
+	return nouveau_abi16_put(abi16, ret);
 }
 
+
 int
 nouveau_abi16_ioctl_channel_free(ABI16_IOCTL_ARGS)
 {
 	struct drm_nouveau_channel_free *req = data;
-	struct nouveau_channel *chan;
+	struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev);
+	struct nouveau_abi16_chan *chan;
+	int ret = -ENOENT;
 
-	chan = nouveau_channel_get(file_priv, req->channel);
-	if (IS_ERR(chan))
-		return PTR_ERR(chan);
+	if (unlikely(!abi16))
+		return -ENOMEM;
 
-	list_del(&chan->list);
-	atomic_dec(&chan->users);
-	nouveau_channel_put(&chan);
-	return 0;
+	list_for_each_entry(chan, &abi16->channels, head) {
+		if (chan->chan->handle == (NVDRM_CHAN | req->channel)) {
+			nouveau_abi16_chan_fini(abi16, chan);
+			return nouveau_abi16_put(abi16, 0);
+		}
+	}
+
+	return nouveau_abi16_put(abi16, ret);
 }
 
 int
 nouveau_abi16_ioctl_grobj_alloc(ABI16_IOCTL_ARGS)
 {
 	struct drm_nouveau_grobj_alloc *init = data;
-	struct nouveau_channel *chan;
+	struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev);
+	struct nouveau_drm *drm = nouveau_drm(dev);
+	struct nouveau_object *object;
 	int ret;
 
+	if (unlikely(!abi16))
+		return -ENOMEM;
+
 	if (init->handle == ~0)
-		return -EINVAL;
+		return nouveau_abi16_put(abi16, -EINVAL);
 
 	/* compatibility with userspace that assumes 506e for all chipsets */
 	if (init->class == 0x506e) {
-		init->class = nouveau_software_class(dev);
+		init->class = nouveau_abi16_swclass(drm);
 		if (init->class == 0x906e)
-			return 0;
-	} else
-	if (init->class == 0x906e) {
-		NV_DEBUG(dev, "906e not supported yet\n");
-		return -EINVAL;
-	}
-
-	chan = nouveau_channel_get(file_priv, init->channel);
-	if (IS_ERR(chan))
-		return PTR_ERR(chan);
-
-	if (nouveau_ramht_find(chan, init->handle)) {
-		ret = -EEXIST;
-		goto out;
-	}
-
-	ret = nouveau_gpuobj_gr_new(chan, init->handle, init->class);
-	if (ret) {
-		NV_ERROR(dev, "Error creating object: %d (%d/0x%08x)\n",
-			 ret, init->channel, init->handle);
+			return nouveau_abi16_put(abi16, 0);
 	}
 
-out:
-	nouveau_channel_put(&chan);
-	return ret;
+	ret = nouveau_object_new(abi16->client, NVDRM_CHAN | init->channel,
+				  init->handle, init->class, NULL, 0, &object);
+	return nouveau_abi16_put(abi16, ret);
 }
 
 int
 nouveau_abi16_ioctl_notifierobj_alloc(ABI16_IOCTL_ARGS)
 {
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct drm_nouveau_notifierobj_alloc *na = data;
-	struct nouveau_channel *chan;
+	struct drm_nouveau_notifierobj_alloc *info = data;
+	struct nouveau_drm *drm = nouveau_drm(dev);
+	struct nouveau_device *device = nv_device(drm->device);
+	struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev);
+	struct nouveau_abi16_chan *chan, *temp;
+	struct nouveau_abi16_ntfy *ntfy;
+	struct nouveau_object *object;
+	struct nv_dma_class args;
 	int ret;
 
+	if (unlikely(!abi16))
+		return -ENOMEM;
+
 	/* completely unnecessary for these chipsets... */
-	if (unlikely(dev_priv->card_type >= NV_C0))
-		return -EINVAL;
+	if (unlikely(nv_device(abi16->device)->card_type >= NV_C0))
+		return nouveau_abi16_put(abi16, -EINVAL);
 
-	chan = nouveau_channel_get(file_priv, na->channel);
-	if (IS_ERR(chan))
-		return PTR_ERR(chan);
+	list_for_each_entry_safe(chan, temp, &abi16->channels, head) {
+		if (chan->chan->handle == (NVDRM_CHAN | info->channel))
+			break;
+		chan = NULL;
+	}
 
-	ret = nouveau_notifier_alloc(chan, na->handle, na->size, 0, 0x1000,
-				     &na->offset);
-	nouveau_channel_put(&chan);
-	return ret;
+	if (!chan)
+		return nouveau_abi16_put(abi16, -ENOENT);
+
+	ntfy = kzalloc(sizeof(*ntfy), GFP_KERNEL);
+	if (!ntfy)
+		return nouveau_abi16_put(abi16, -ENOMEM);
+
+	list_add(&ntfy->head, &chan->notifiers);
+	ntfy->handle = info->handle;
+
+	ret = nouveau_mm_head(&chan->heap, 1, info->size, info->size, 1,
+			      &ntfy->node);
+	if (ret)
+		goto done;
+
+	args.start = ntfy->node->offset;
+	args.limit = ntfy->node->offset + ntfy->node->length - 1;
+	if (device->card_type >= NV_50) {
+		args.flags  = NV_DMA_TARGET_VM | NV_DMA_ACCESS_VM;
+		args.start += chan->ntfy_vma.offset;
+		args.limit += chan->ntfy_vma.offset;
+	} else
+	if (drm->agp.stat == ENABLED) {
+		args.flags  = NV_DMA_TARGET_AGP | NV_DMA_ACCESS_RDWR;
+		args.start += drm->agp.base + chan->ntfy->bo.offset;
+		args.limit += drm->agp.base + chan->ntfy->bo.offset;
+	} else {
+		args.flags  = NV_DMA_TARGET_VM | NV_DMA_ACCESS_RDWR;
+		args.start += chan->ntfy->bo.offset;
+		args.limit += chan->ntfy->bo.offset;
+	}
+
+	ret = nouveau_object_new(abi16->client, chan->chan->handle,
+				 ntfy->handle, 0x003d, &args,
+				 sizeof(args), &object);
+	if (ret)
+		goto done;
+
+done:
+	if (ret)
+		nouveau_abi16_ntfy_fini(chan, ntfy);
+	return nouveau_abi16_put(abi16, ret);
 }
 
 int
 nouveau_abi16_ioctl_gpuobj_free(ABI16_IOCTL_ARGS)
 {
-	struct drm_nouveau_gpuobj_free *objfree = data;
-	struct nouveau_channel *chan;
+	struct drm_nouveau_gpuobj_free *fini = data;
+	struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev);
+	struct nouveau_abi16_chan *chan, *temp;
+	struct nouveau_abi16_ntfy *ntfy;
 	int ret;
 
-	chan = nouveau_channel_get(file_priv, objfree->channel);
-	if (IS_ERR(chan))
-		return PTR_ERR(chan);
+	if (unlikely(!abi16))
+		return -ENOMEM;
+
+	list_for_each_entry_safe(chan, temp, &abi16->channels, head) {
+		if (chan->chan->handle == (NVDRM_CHAN | fini->channel))
+			break;
+		chan = NULL;
+	}
+
+	if (!chan)
+		return nouveau_abi16_put(abi16, -ENOENT);
 
-	/* Synchronize with the user channel */
-	nouveau_channel_idle(chan);
+	/* synchronize with the user channel and destroy the gpu object */
+	nouveau_channel_idle(chan->chan);
 
-	ret = nouveau_ramht_remove(chan, objfree->handle);
-	nouveau_channel_put(&chan);
-	return ret;
+	ret = nouveau_object_del(abi16->client, chan->chan->handle, fini->handle);
+	if (ret)
+		return nouveau_abi16_put(abi16, ret);
+
+	/* cleanup extra state if this object was a notifier */
+	list_for_each_entry(ntfy, &chan->notifiers, head) {
+		if (ntfy->handle == fini->handle) {
+			nouveau_mm_free(&chan->heap, &ntfy->node);
+			list_del(&ntfy->head);
+			break;
+		}
+	}
+
+	return nouveau_abi16_put(abi16, 0);
 }