[deliverable/linux.git] / drivers / gpu / drm / nouveau / nouveau_abi16.c

/*
 * Copyright 2012 Red Hat Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 */

#include <core/object.h>
#include <core/client.h>
#include <core/device.h>
#include <core/class.h>
#include <core/mm.h>

#include <subdev/fb.h>
#include <subdev/timer.h>
#include <subdev/instmem.h>
#include <engine/graph.h>

#include "nouveau_drm.h"
#include "nouveau_dma.h"
#include "nouveau_gem.h"
#include "nouveau_chan.h"
#include "nouveau_abi16.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_11:
	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:
	case GM100:
		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;

	/* wait for all activity to stop before releasing notify object, which
	 * may be still in use */
	if (chan->chan && chan->ntfy)
		nouveau_channel_idle(chan->chan);

	/* 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);
		nouveau_bo_unpin(chan->ntfy);
		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 &= ~(1ULL << (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 nouveau_drm *drm = nouveau_drm(dev);
	struct nouveau_device *device = nv_device(drm->device);
	struct nouveau_timer *ptimer = nouveau_timer(device);
	struct nouveau_graph *graph = (void *)nouveau_engine(device, NVDEV_ENGINE_GR);
	struct drm_nouveau_getparam *getparam = data;

	switch (getparam->param) {
	case NOUVEAU_GETPARAM_CHIPSET_ID:
		getparam->value = device->chipset;
		break;
	case NOUVEAU_GETPARAM_PCI_VENDOR:
		if (nv_device_is_pci(device))
			getparam->value = dev->pdev->vendor;
		else
			getparam->value = 0;
		break;
	case NOUVEAU_GETPARAM_PCI_DEVICE:
		if (nv_device_is_pci(device))
			getparam->value = dev->pdev->device;
		else
			getparam->value = 0;
		break;
	case NOUVEAU_GETPARAM_BUS_TYPE:
		if (!nv_device_is_pci(device))
			getparam->value = 3;
		else
		if (drm_pci_device_is_agp(dev))
			getparam->value = 0;
		else
		if (!pci_is_pcie(dev->pdev))
			getparam->value = 1;
		else
			getparam->value = 2;
		break;
	case NOUVEAU_GETPARAM_FB_SIZE:
		getparam->value = drm->gem.vram_available;
		break;
	case NOUVEAU_GETPARAM_AGP_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 = ptimer->read(ptimer);
		break;
	case NOUVEAU_GETPARAM_HAS_BO_USAGE:
		getparam->value = 1;
		break;
	case NOUVEAU_GETPARAM_HAS_PAGEFLIP:
		getparam->value = 1;
		break;
	case NOUVEAU_GETPARAM_GRAPH_UNITS:
		getparam->value = graph->units ? graph->units(graph) : 0;
		break;
	default:
		nv_debug(device, "unknown parameter %lld\n", getparam->param);
		return -EINVAL;
	}

	return 0;
}

int
nouveau_abi16_ioctl_setparam(ABI16_IOCTL_ARGS)
{
	return -EINVAL;
}

int
nouveau_abi16_ioctl_channel_alloc(ABI16_IOCTL_ARGS)
{
	struct drm_nouveau_channel_alloc *init = data;
	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 (unlikely(!abi16))
		return -ENOMEM;

	if (!drm->channel)
		return nouveau_abi16_put(abi16, -ENODEV);

	client = nv_client(abi16->client);
	device = nv_device(abi16->device);
	imem   = nouveau_instmem(device);
	pfb    = nouveau_fb(device);

	/* hack to allow channel engine type specification on kepler */
	if (device->card_type >= NV_E0) {
		if (init->fb_ctxdma_handle != ~0)
			init->fb_ctxdma_handle = NVE0_CHANNEL_IND_ENGINE_GR;
		else
			init->fb_ctxdma_handle = init->tt_ctxdma_handle;

		/* allow flips to be executed if this is a graphics channel */
		init->tt_ctxdma_handle = 0;
		if (init->fb_ctxdma_handle == NVE0_CHANNEL_IND_ENGINE_GR)
			init->tt_ctxdma_handle = 1;
	}

	if (init->fb_ctxdma_handle == ~0 || init->tt_ctxdma_handle == ~0)
		return nouveau_abi16_put(abi16, -EINVAL);

	/* allocate "abi16 channel" data and make up a handle for it */
	init->channel = __ffs64(~abi16->handles);
	if (~abi16->handles == 0)
		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 |= (1ULL << init->channel);

	/* create channel object and initialise dma and fence management */
	ret = nouveau_channel_new(drm, cli, NVDRM_DEVICE, NVDRM_CHAN |
				  init->channel, init->fb_ctxdma_handle,
				  init->tt_ctxdma_handle, &chan->chan);
	if (ret)
		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 (device->card_type < NV_10) {
		init->subchan[0].handle = 0x00000000;
		init->subchan[0].grclass = 0x0000;
		init->subchan[1].handle = NvSw;
		init->subchan[1].grclass = 0x506e;
		init->nr_subchan = 2;
	}

	/* Named memory object area */
	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;

	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_abi16 *abi16 = nouveau_abi16_get(file_priv, dev);
	struct nouveau_abi16_chan *chan;
	int ret = -ENOENT;

	if (unlikely(!abi16))
		return -ENOMEM;

	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_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 nouveau_abi16_put(abi16, -EINVAL);

	/* compatibility with userspace that assumes 506e for all chipsets */
	if (init->class == 0x506e) {
		init->class = nouveau_abi16_swclass(drm);
		if (init->class == 0x906e)
			return nouveau_abi16_put(abi16, 0);
	}

	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_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 = NULL, *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(nv_device(abi16->device)->card_type >= NV_C0))
		return nouveau_abi16_put(abi16, -EINVAL);

	list_for_each_entry(temp, &abi16->channels, head) {
		if (temp->chan->handle == (NVDRM_CHAN | info->channel)) {
			chan = temp;
			break;
		}
	}

	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;

	info->offset = ntfy->node->offset;

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 *fini = data;
	struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev);
	struct nouveau_abi16_chan *chan = NULL, *temp;
	struct nouveau_abi16_ntfy *ntfy;
	int ret;

	if (unlikely(!abi16))
		return -ENOMEM;

	list_for_each_entry(temp, &abi16->channels, head) {
		if (temp->chan->handle == (NVDRM_CHAN | fini->channel)) {
			chan = temp;
			break;
		}
	}

	if (!chan)
		return nouveau_abi16_put(abi16, -ENOENT);

	/* synchronize with the user channel and destroy the gpu object */
	nouveau_channel_idle(chan->chan);

	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);
}
Commit	Line	Data
2a259a3d BS	1	/*
	2	* Copyright 2012 Red Hat Inc.
	3	*
	4	* Permission is hereby granted, free of charge, to any person obtaining a
	5	* copy of this software and associated documentation files (the "Software"),
	6	* to deal in the Software without restriction, including without limitation
	7	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
	8	* and/or sell copies of the Software, and to permit persons to whom the
	9	* Software is furnished to do so, subject to the following conditions:
	10	*
	11	* The above copyright notice and this permission notice shall be included in
	12	* all copies or substantial portions of the Software.
	13	*
	14	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	15	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	16	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	17	* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
	18	* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
	19	* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
	20	* OTHER DEALINGS IN THE SOFTWARE.
	21	*
	22	*/
	23
ebb945a9 BS	24	#include <core/object.h>
	25	#include <core/client.h>
	26	#include <core/device.h>
	27	#include <core/class.h>
	28	#include <core/mm.h>
2a259a3d	29
ebb945a9 BS	30	#include <subdev/fb.h>
	31	#include <subdev/timer.h>
	32	#include <subdev/instmem.h>
7e22e71e	33	#include <engine/graph.h>
ebb945a9 BS	34
ebb945a9 BS	35	#include "nouveau_drm.h"
2a259a3d	36	#include "nouveau_dma.h"
ebb945a9 BS	37	#include "nouveau_gem.h"
ebb945a9 BS	38	#include "nouveau_chan.h"
2a259a3d	39	#include "nouveau_abi16.h"
ebb945a9 BS	40
	41	struct nouveau_abi16 *
	42	nouveau_abi16_get(struct drm_file file_priv, struct drm_device dev)
	43	{
	44	struct nouveau_cli *cli = nouveau_cli(file_priv);
	45	mutex_lock(&cli->mutex);
	46	if (!cli->abi16) {
	47	struct nouveau_abi16 *abi16;
	48	cli->abi16 = abi16 = kzalloc(sizeof(*abi16), GFP_KERNEL);
	49	if (cli->abi16) {
	50	INIT_LIST_HEAD(&abi16->channels);
	51	abi16->client = nv_object(cli);
	52
	53	/* allocate device object targeting client's default
	54	* device (ie. the one that belongs to the fd it
	55	* opened)
	56	*/
	57	if (nouveau_object_new(abi16->client, NVDRM_CLIENT,
	58	NVDRM_DEVICE, 0x0080,
	59	&(struct nv_device_class) {
	60	.device = ~0ULL,
	61	},
	62	sizeof(struct nv_device_class),
	63	&abi16->device) == 0)
	64	return cli->abi16;
	65
	66	kfree(cli->abi16);
	67	cli->abi16 = NULL;
	68	}
	69
	70	mutex_unlock(&cli->mutex);
	71	}
	72	return cli->abi16;
	73	}
	74
	75	int
	76	nouveau_abi16_put(struct nouveau_abi16 *abi16, int ret)
	77	{
	78	struct nouveau_cli cli = (void )abi16->client;
	79	mutex_unlock(&cli->mutex);
	80	return ret;
	81	}
	82
	83	u16
	84	nouveau_abi16_swclass(struct nouveau_drm *drm)
	85	{
	86	switch (nv_device(drm->device)->card_type) {
	87	case NV_04:
	88	return 0x006e;
	89	case NV_10:
4a0ff754	90	case NV_11:
ebb945a9 BS	91	case NV_20:
	92	case NV_30:
	93	case NV_40:
	94	return 0x016e;
	95	case NV_50:
	96	return 0x506e;
	97	case NV_C0:
	98	case NV_D0:
	99	case NV_E0:
0b681687	100	case GM100:
ebb945a9 BS	101	return 0x906e;
	102	}
	103
	104	return 0x0000;
	105	}
	106
	107	static void
	108	nouveau_abi16_ntfy_fini(struct nouveau_abi16_chan *chan,
	109	struct nouveau_abi16_ntfy *ntfy)
	110	{
	111	nouveau_mm_free(&chan->heap, &ntfy->node);
	112	list_del(&ntfy->head);
	113	kfree(ntfy);
	114	}
	115
	116	static void
	117	nouveau_abi16_chan_fini(struct nouveau_abi16 *abi16,
	118	struct nouveau_abi16_chan *chan)
	119	{
	120	struct nouveau_abi16_ntfy ntfy, temp;
	121
2b77c1c0 MS	122	/* wait for all activity to stop before releasing notify object, which
	123	* may be still in use */
	124	if (chan->chan && chan->ntfy)
	125	nouveau_channel_idle(chan->chan);
	126
ebb945a9 BS	127	/* cleanup notifier state */
	128	list_for_each_entry_safe(ntfy, temp, &chan->notifiers, head) {
	129	nouveau_abi16_ntfy_fini(chan, ntfy);
	130	}
	131
	132	if (chan->ntfy) {
	133	nouveau_bo_vma_del(chan->ntfy, &chan->ntfy_vma);
198c14a0	134	nouveau_bo_unpin(chan->ntfy);
55fb74ad	135	drm_gem_object_unreference_unlocked(&chan->ntfy->gem);
ebb945a9 BS	136	}
	137
	138	if (chan->heap.block_size)
	139	nouveau_mm_fini(&chan->heap);
	140
	141	/* destroy channel object, all children will be killed too */
	142	if (chan->chan) {
ef98c1f7	143	abi16->handles &= ~(1ULL << (chan->chan->handle & 0xffff));
ebb945a9 BS	144	nouveau_channel_del(&chan->chan);
	145	}
	146
	147	list_del(&chan->head);
	148	kfree(chan);
	149	}
	150
	151	void
	152	nouveau_abi16_fini(struct nouveau_abi16 *abi16)
	153	{
	154	struct nouveau_cli cli = (void )abi16->client;
	155	struct nouveau_abi16_chan chan, temp;
	156
	157	/* cleanup channels */
	158	list_for_each_entry_safe(chan, temp, &abi16->channels, head) {
	159	nouveau_abi16_chan_fini(abi16, chan);
	160	}
	161
	162	/* destroy the device object */
	163	nouveau_object_del(abi16->client, NVDRM_CLIENT, NVDRM_DEVICE);
	164
	165	kfree(cli->abi16);
	166	cli->abi16 = NULL;
	167	}
2a259a3d BS	168
	169	int
	170	nouveau_abi16_ioctl_getparam(ABI16_IOCTL_ARGS)
	171	{
ebb945a9 BS	172	struct nouveau_drm *drm = nouveau_drm(dev);
	173	struct nouveau_device *device = nv_device(drm->device);
	174	struct nouveau_timer *ptimer = nouveau_timer(device);
7e22e71e	175	struct nouveau_graph graph = (void )nouveau_engine(device, NVDEV_ENGINE_GR);
2a259a3d BS	176	struct drm_nouveau_getparam *getparam = data;
	177
	178	switch (getparam->param) {
	179	case NOUVEAU_GETPARAM_CHIPSET_ID:
ebb945a9	180	getparam->value = device->chipset;
2a259a3d BS	181	break;
2a259a3d BS	182	case NOUVEAU_GETPARAM_PCI_VENDOR:
420b9469 AC	183	if (nv_device_is_pci(device))
	184	getparam->value = dev->pdev->vendor;
	185	else
	186	getparam->value = 0;
2a259a3d BS	187	break;
2a259a3d BS	188	case NOUVEAU_GETPARAM_PCI_DEVICE:
420b9469 AC	189	if (nv_device_is_pci(device))
	190	getparam->value = dev->pdev->device;
	191	else
	192	getparam->value = 0;
2a259a3d BS	193	break;
2a259a3d BS	194	case NOUVEAU_GETPARAM_BUS_TYPE:
420b9469 AC	195	if (!nv_device_is_pci(device))
	196	getparam->value = 3;
	197	else
2a259a3d BS	198	if (drm_pci_device_is_agp(dev))
	199	getparam->value = 0;
	200	else
	201	if (!pci_is_pcie(dev->pdev))
	202	getparam->value = 1;
	203	else
	204	getparam->value = 2;
	205	break;
	206	case NOUVEAU_GETPARAM_FB_SIZE:
ebb945a9	207	getparam->value = drm->gem.vram_available;
2a259a3d BS	208	break;
2a259a3d BS	209	case NOUVEAU_GETPARAM_AGP_SIZE:
ebb945a9	210	getparam->value = drm->gem.gart_available;
2a259a3d BS	211	break;
	212	case NOUVEAU_GETPARAM_VM_VRAM_BASE:
	213	getparam->value = 0; /* deprecated */
	214	break;
	215	case NOUVEAU_GETPARAM_PTIMER_TIME:
ebb945a9	216	getparam->value = ptimer->read(ptimer);
2a259a3d BS	217	break;
	218	case NOUVEAU_GETPARAM_HAS_BO_USAGE:
	219	getparam->value = 1;
	220	break;
	221	case NOUVEAU_GETPARAM_HAS_PAGEFLIP:
	222	getparam->value = 1;
	223	break;
	224	case NOUVEAU_GETPARAM_GRAPH_UNITS:
7e22e71e CB	225	getparam->value = graph->units ? graph->units(graph) : 0;
7e22e71e CB	226	break;
2a259a3d	227	default:
ebb945a9	228	nv_debug(device, "unknown parameter %lld\n", getparam->param);
2a259a3d BS	229	return -EINVAL;
	230	}
	231
	232	return 0;
	233	}
	234
	235	int
	236	nouveau_abi16_ioctl_setparam(ABI16_IOCTL_ARGS)
	237	{
	238	return -EINVAL;
	239	}
	240
	241	int
	242	nouveau_abi16_ioctl_channel_alloc(ABI16_IOCTL_ARGS)
	243	{
2a259a3d	244	struct drm_nouveau_channel_alloc *init = data;
ebb945a9 BS	245	struct nouveau_cli *cli = nouveau_cli(file_priv);
	246	struct nouveau_drm *drm = nouveau_drm(dev);
	247	struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev);
	248	struct nouveau_abi16_chan *chan;
	249	struct nouveau_client *client;
	250	struct nouveau_device *device;
	251	struct nouveau_instmem *imem;
	252	struct nouveau_fb *pfb;
2a259a3d BS	253	int ret;
2a259a3d BS	254
ebb945a9 BS	255	if (unlikely(!abi16))
ebb945a9 BS	256	return -ENOMEM;
bf7e438b MS	257
	258	if (!drm->channel)
	259	return nouveau_abi16_put(abi16, -ENODEV);
	260
ebb945a9	261	client = nv_client(abi16->client);
ebb945a9 BS	262	device = nv_device(abi16->device);
	263	imem = nouveau_instmem(device);
	264	pfb = nouveau_fb(device);
	265
49469800 BS	266	/* hack to allow channel engine type specification on kepler */
	267	if (device->card_type >= NV_E0) {
	268	if (init->fb_ctxdma_handle != ~0)
	269	init->fb_ctxdma_handle = NVE0_CHANNEL_IND_ENGINE_GR;
	270	else
	271	init->fb_ctxdma_handle = init->tt_ctxdma_handle;
	272
	273	/* allow flips to be executed if this is a graphics channel */
	274	init->tt_ctxdma_handle = 0;
	275	if (init->fb_ctxdma_handle == NVE0_CHANNEL_IND_ENGINE_GR)
	276	init->tt_ctxdma_handle = 1;
	277	}
	278
	279	if (init->fb_ctxdma_handle == ~0 \|\| init->tt_ctxdma_handle == ~0)
	280	return nouveau_abi16_put(abi16, -EINVAL);
	281
ebb945a9	282	/* allocate "abi16 channel" data and make up a handle for it */
73970c47 IM	283	init->channel = __ffs64(~abi16->handles);
73970c47 IM	284	if (~abi16->handles == 0)
ebb945a9 BS	285	return nouveau_abi16_put(abi16, -ENOSPC);
	286
	287	chan = kzalloc(sizeof(*chan), GFP_KERNEL);
	288	if (!chan)
	289	return nouveau_abi16_put(abi16, -ENOMEM);
	290
	291	INIT_LIST_HEAD(&chan->notifiers);
	292	list_add(&chan->head, &abi16->channels);
ef98c1f7	293	abi16->handles \|= (1ULL << init->channel);
2a259a3d	294
ebb945a9 BS	295	/* create channel object and initialise dma and fence management */
	296	ret = nouveau_channel_new(drm, cli, NVDRM_DEVICE, NVDRM_CHAN \|
	297	init->channel, init->fb_ctxdma_handle,
	298	init->tt_ctxdma_handle, &chan->chan);
2a259a3d	299	if (ret)
ebb945a9 BS	300	goto done;
	301
	302	if (device->card_type >= NV_50)
	303	init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM \|
	304	NOUVEAU_GEM_DOMAIN_GART;
	305	else
	306	if (chan->chan->push.buffer->bo.mem.mem_type == TTM_PL_VRAM)
2a259a3d	307	init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM;
ebb945a9 BS	308	else
ebb945a9 BS	309	init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_GART;
2a259a3d	310
69a6146d	311	if (device->card_type < NV_10) {
2a259a3d BS	312	init->subchan[0].handle = 0x00000000;
	313	init->subchan[0].grclass = 0x0000;
	314	init->subchan[1].handle = NvSw;
ebb945a9	315	init->subchan[1].grclass = 0x506e;
2a259a3d BS	316	init->nr_subchan = 2;
	317	}
	318
	319	/* Named memory object area */
ebb945a9 BS	320	ret = nouveau_gem_new(dev, PAGE_SIZE, 0, NOUVEAU_GEM_DOMAIN_GART,
	321	0, 0, &chan->ntfy);
	322	if (ret == 0)
	323	ret = nouveau_bo_pin(chan->ntfy, TTM_PL_FLAG_TT);
	324	if (ret)
	325	goto done;
	326
	327	if (device->card_type >= NV_50) {
	328	ret = nouveau_bo_vma_add(chan->ntfy, client->vm,
	329	&chan->ntfy_vma);
	330	if (ret)
	331	goto done;
	332	}
	333
55fb74ad	334	ret = drm_gem_handle_create(file_priv, &chan->ntfy->gem,
2a259a3d	335	&init->notifier_handle);
ebb945a9 BS	336	if (ret)
ebb945a9 BS	337	goto done;
2a259a3d	338
ebb945a9 BS	339	ret = nouveau_mm_init(&chan->heap, 0, PAGE_SIZE, 1);
	340	done:
	341	if (ret)
	342	nouveau_abi16_chan_fini(abi16, chan);
	343	return nouveau_abi16_put(abi16, ret);
2a259a3d BS	344	}
2a259a3d BS	345
ebb945a9	346
2a259a3d BS	347	int
	348	nouveau_abi16_ioctl_channel_free(ABI16_IOCTL_ARGS)
	349	{
	350	struct drm_nouveau_channel_free *req = data;
ebb945a9 BS	351	struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev);
	352	struct nouveau_abi16_chan *chan;
	353	int ret = -ENOENT;
2a259a3d	354
ebb945a9 BS	355	if (unlikely(!abi16))
ebb945a9 BS	356	return -ENOMEM;
2a259a3d	357
ebb945a9 BS	358	list_for_each_entry(chan, &abi16->channels, head) {
	359	if (chan->chan->handle == (NVDRM_CHAN \| req->channel)) {
	360	nouveau_abi16_chan_fini(abi16, chan);
	361	return nouveau_abi16_put(abi16, 0);
	362	}
	363	}
	364
	365	return nouveau_abi16_put(abi16, ret);
2a259a3d BS	366	}
	367
	368	int
	369	nouveau_abi16_ioctl_grobj_alloc(ABI16_IOCTL_ARGS)
	370	{
	371	struct drm_nouveau_grobj_alloc *init = data;
ebb945a9 BS	372	struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev);
	373	struct nouveau_drm *drm = nouveau_drm(dev);
	374	struct nouveau_object *object;
2a259a3d BS	375	int ret;
2a259a3d BS	376
ebb945a9 BS	377	if (unlikely(!abi16))
	378	return -ENOMEM;
	379
2a259a3d	380	if (init->handle == ~0)
ebb945a9	381	return nouveau_abi16_put(abi16, -EINVAL);
2a259a3d BS	382
	383	/* compatibility with userspace that assumes 506e for all chipsets */
	384	if (init->class == 0x506e) {
ebb945a9	385	init->class = nouveau_abi16_swclass(drm);
2a259a3d	386	if (init->class == 0x906e)
ebb945a9	387	return nouveau_abi16_put(abi16, 0);
2a259a3d BS	388	}
2a259a3d BS	389
ebb945a9 BS	390	ret = nouveau_object_new(abi16->client, NVDRM_CHAN \| init->channel,
	391	init->handle, init->class, NULL, 0, &object);
	392	return nouveau_abi16_put(abi16, ret);
2a259a3d BS	393	}
	394
	395	int
	396	nouveau_abi16_ioctl_notifierobj_alloc(ABI16_IOCTL_ARGS)
	397	{
ebb945a9 BS	398	struct drm_nouveau_notifierobj_alloc *info = data;
	399	struct nouveau_drm *drm = nouveau_drm(dev);
	400	struct nouveau_device *device = nv_device(drm->device);
	401	struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev);
b43decd2	402	struct nouveau_abi16_chan chan = NULL, temp;
ebb945a9 BS	403	struct nouveau_abi16_ntfy *ntfy;
ebb945a9 BS	404	struct nouveau_object *object;
f756944a	405	struct nv_dma_class args = {};
2a259a3d BS	406	int ret;
2a259a3d BS	407
ebb945a9 BS	408	if (unlikely(!abi16))
	409	return -ENOMEM;
	410
2a259a3d	411	/* completely unnecessary for these chipsets... */
ebb945a9 BS	412	if (unlikely(nv_device(abi16->device)->card_type >= NV_C0))
ebb945a9 BS	413	return nouveau_abi16_put(abi16, -EINVAL);
2a259a3d	414
b43decd2 ML	415	list_for_each_entry(temp, &abi16->channels, head) {
	416	if (temp->chan->handle == (NVDRM_CHAN \| info->channel)) {
	417	chan = temp;
ebb945a9	418	break;
b43decd2	419	}
ebb945a9	420	}
2a259a3d	421
ebb945a9 BS	422	if (!chan)
	423	return nouveau_abi16_put(abi16, -ENOENT);
	424
	425	ntfy = kzalloc(sizeof(*ntfy), GFP_KERNEL);
	426	if (!ntfy)
	427	return nouveau_abi16_put(abi16, -ENOMEM);
	428
	429	list_add(&ntfy->head, &chan->notifiers);
	430	ntfy->handle = info->handle;
	431
	432	ret = nouveau_mm_head(&chan->heap, 1, info->size, info->size, 1,
	433	&ntfy->node);
	434	if (ret)
	435	goto done;
	436
	437	args.start = ntfy->node->offset;
	438	args.limit = ntfy->node->offset + ntfy->node->length - 1;
	439	if (device->card_type >= NV_50) {
	440	args.flags = NV_DMA_TARGET_VM \| NV_DMA_ACCESS_VM;
	441	args.start += chan->ntfy_vma.offset;
	442	args.limit += chan->ntfy_vma.offset;
	443	} else
	444	if (drm->agp.stat == ENABLED) {
	445	args.flags = NV_DMA_TARGET_AGP \| NV_DMA_ACCESS_RDWR;
	446	args.start += drm->agp.base + chan->ntfy->bo.offset;
	447	args.limit += drm->agp.base + chan->ntfy->bo.offset;
	448	} else {
	449	args.flags = NV_DMA_TARGET_VM \| NV_DMA_ACCESS_RDWR;
	450	args.start += chan->ntfy->bo.offset;
	451	args.limit += chan->ntfy->bo.offset;
	452	}
	453
	454	ret = nouveau_object_new(abi16->client, chan->chan->handle,
	455	ntfy->handle, 0x003d, &args,
	456	sizeof(args), &object);
	457	if (ret)
	458	goto done;
	459
c1ccaa64 BG	460	info->offset = ntfy->node->offset;
c1ccaa64 BG	461
ebb945a9 BS	462	done:
	463	if (ret)
	464	nouveau_abi16_ntfy_fini(chan, ntfy);
	465	return nouveau_abi16_put(abi16, ret);
2a259a3d BS	466	}
	467
	468	int
	469	nouveau_abi16_ioctl_gpuobj_free(ABI16_IOCTL_ARGS)
	470	{
ebb945a9 BS	471	struct drm_nouveau_gpuobj_free *fini = data;
ebb945a9 BS	472	struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev);
b43decd2	473	struct nouveau_abi16_chan chan = NULL, temp;
ebb945a9	474	struct nouveau_abi16_ntfy *ntfy;
2a259a3d BS	475	int ret;
2a259a3d BS	476
ebb945a9 BS	477	if (unlikely(!abi16))
	478	return -ENOMEM;
	479
b43decd2 ML	480	list_for_each_entry(temp, &abi16->channels, head) {
	481	if (temp->chan->handle == (NVDRM_CHAN \| fini->channel)) {
	482	chan = temp;
ebb945a9	483	break;
b43decd2	484	}
ebb945a9 BS	485	}
	486
	487	if (!chan)
	488	return nouveau_abi16_put(abi16, -ENOENT);
2a259a3d	489
ebb945a9 BS	490	/* synchronize with the user channel and destroy the gpu object */
ebb945a9 BS	491	nouveau_channel_idle(chan->chan);
2a259a3d	492
ebb945a9 BS	493	ret = nouveau_object_del(abi16->client, chan->chan->handle, fini->handle);
	494	if (ret)
	495	return nouveau_abi16_put(abi16, ret);
	496
	497	/* cleanup extra state if this object was a notifier */
	498	list_for_each_entry(ntfy, &chan->notifiers, head) {
	499	if (ntfy->handle == fini->handle) {
	500	nouveau_mm_free(&chan->heap, &ntfy->node);
	501	list_del(&ntfy->head);
	502	break;
	503	}
	504	}
	505
	506	return nouveau_abi16_put(abi16, 0);
2a259a3d	507	}