blob: d8b0891a141c66ce6bdfef1de48d57bc7f9a3e9a [file] [log] [blame]
/*
* 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 <nvif/client.h>
#include <nvif/driver.h>
#include <nvif/ioctl.h>
#include <nvif/class.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) {
struct nv_device_v0 args = {
.device = ~0ULL,
};
INIT_LIST_HEAD(&abi16->channels);
/* allocate device object targeting client's default
* device (ie. the one that belongs to the fd it
* opened)
*/
if (nvif_device_init(&cli->base.base, NULL,
NOUVEAU_ABI16_DEVICE, NV_DEVICE,
&args, sizeof(args),
&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 *)nvif_client(&abi16->device.base);
mutex_unlock(&cli->mutex);
return ret;
}
u16
nouveau_abi16_swclass(struct nouveau_drm *drm)
{
switch (drm->device.info.family) {
case NV_DEVICE_INFO_V0_TNT:
return 0x006e;
case NV_DEVICE_INFO_V0_CELSIUS:
case NV_DEVICE_INFO_V0_KELVIN:
case NV_DEVICE_INFO_V0_RANKINE:
case NV_DEVICE_INFO_V0_CURIE:
return 0x016e;
case NV_DEVICE_INFO_V0_TESLA:
return 0x506e;
case NV_DEVICE_INFO_V0_FERMI:
case NV_DEVICE_INFO_V0_KEPLER:
case NV_DEVICE_INFO_V0_MAXWELL:
return 0x906e;
}
return 0x0000;
}
static void
nouveau_abi16_ntfy_fini(struct nouveau_abi16_chan *chan,
struct nouveau_abi16_ntfy *ntfy)
{
nvkm_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)
nvkm_mm_fini(&chan->heap);
/* destroy channel object, all children will be killed too */
if (chan->chan) {
abi16->handles &= ~(1ULL << (chan->chan->object->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 *)nvif_client(&abi16->device.base);
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 */
nvif_device_fini(&abi16->device);
kfree(cli->abi16);
cli->abi16 = NULL;
}
int
nouveau_abi16_ioctl_getparam(ABI16_IOCTL_ARGS)
{
struct nouveau_cli *cli = nouveau_cli(file_priv);
struct nouveau_drm *drm = nouveau_drm(dev);
struct nvif_device *device = &drm->device;
struct nvkm_timer *ptimer = nvxx_timer(device);
struct nvkm_gr *gr = nvxx_gr(device);
struct drm_nouveau_getparam *getparam = data;
switch (getparam->param) {
case NOUVEAU_GETPARAM_CHIPSET_ID:
getparam->value = device->info.chipset;
break;
case NOUVEAU_GETPARAM_PCI_VENDOR:
if (nv_device_is_pci(nvxx_device(device)))
getparam->value = dev->pdev->vendor;
else
getparam->value = 0;
break;
case NOUVEAU_GETPARAM_PCI_DEVICE:
if (nv_device_is_pci(nvxx_device(device)))
getparam->value = dev->pdev->device;
else
getparam->value = 0;
break;
case NOUVEAU_GETPARAM_BUS_TYPE:
if (!nv_device_is_pci(nvxx_device(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 = gr->units ? gr->units(gr) : 0;
break;
default:
NV_PRINTK(debug, cli, "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 nvif_device *device;
int ret;
if (unlikely(!abi16))
return -ENOMEM;
if (!drm->channel)
return nouveau_abi16_put(abi16, -ENODEV);
device = &abi16->device;
/* hack to allow channel engine type specification on kepler */
if (device->info.family >= NV_DEVICE_INFO_V0_KEPLER) {
if (init->fb_ctxdma_handle != ~0)
init->fb_ctxdma_handle = KEPLER_CHANNEL_GPFIFO_A_V0_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 == KEPLER_CHANNEL_GPFIFO_A_V0_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, device,
NOUVEAU_ABI16_CHAN(init->channel),
init->fb_ctxdma_handle,
init->tt_ctxdma_handle, &chan->chan);
if (ret)
goto done;
if (device->info.family >= NV_DEVICE_INFO_V0_TESLA)
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->info.family < NV_DEVICE_INFO_V0_CELSIUS) {
init->subchan[0].handle = 0x00000000;
init->subchan[0].grclass = 0x0000;
init->subchan[1].handle = chan->chan->nvsw.handle;
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, false);
if (ret)
goto done;
if (device->info.family >= NV_DEVICE_INFO_V0_TESLA) {
ret = nouveau_bo_vma_add(chan->ntfy, cli->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 = nvkm_mm_init(&chan->heap, 0, PAGE_SIZE, 1);
done:
if (ret)
nouveau_abi16_chan_fini(abi16, chan);
return nouveau_abi16_put(abi16, ret);
}
static struct nouveau_abi16_chan *
nouveau_abi16_chan(struct nouveau_abi16 *abi16, int channel)
{
struct nouveau_abi16_chan *chan;
list_for_each_entry(chan, &abi16->channels, head) {
if (chan->chan->object->handle == NOUVEAU_ABI16_CHAN(channel))
return chan;
}
return NULL;
}
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;
if (unlikely(!abi16))
return -ENOMEM;
chan = nouveau_abi16_chan(abi16, req->channel);
if (!chan)
return nouveau_abi16_put(abi16, -ENOENT);
nouveau_abi16_chan_fini(abi16, chan);
return nouveau_abi16_put(abi16, 0);
}
int
nouveau_abi16_ioctl_grobj_alloc(ABI16_IOCTL_ARGS)
{
struct drm_nouveau_grobj_alloc *init = data;
struct {
struct nvif_ioctl_v0 ioctl;
struct nvif_ioctl_new_v0 new;
} args = {
.ioctl.owner = NVIF_IOCTL_V0_OWNER_ANY,
.ioctl.type = NVIF_IOCTL_V0_NEW,
.ioctl.path_nr = 3,
.ioctl.path[2] = NOUVEAU_ABI16_CLIENT,
.ioctl.path[1] = NOUVEAU_ABI16_DEVICE,
.ioctl.path[0] = NOUVEAU_ABI16_CHAN(init->channel),
.new.route = NVDRM_OBJECT_ABI16,
.new.handle = init->handle,
.new.oclass = init->class,
};
struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev);
struct nouveau_drm *drm = nouveau_drm(dev);
struct nvif_client *client;
int ret;
if (unlikely(!abi16))
return -ENOMEM;
if (init->handle == ~0)
return nouveau_abi16_put(abi16, -EINVAL);
client = nvif_client(nvif_object(&abi16->device));
/* 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 = nvif_client_ioctl(client, &args, sizeof(args));
return nouveau_abi16_put(abi16, ret);
}
int
nouveau_abi16_ioctl_notifierobj_alloc(ABI16_IOCTL_ARGS)
{
struct drm_nouveau_notifierobj_alloc *info = data;
struct {
struct nvif_ioctl_v0 ioctl;
struct nvif_ioctl_new_v0 new;
struct nv_dma_v0 ctxdma;
} args = {
.ioctl.owner = NVIF_IOCTL_V0_OWNER_ANY,
.ioctl.type = NVIF_IOCTL_V0_NEW,
.ioctl.path_nr = 3,
.ioctl.path[2] = NOUVEAU_ABI16_CLIENT,
.ioctl.path[1] = NOUVEAU_ABI16_DEVICE,
.ioctl.path[0] = NOUVEAU_ABI16_CHAN(info->channel),
.new.route = NVDRM_OBJECT_ABI16,
.new.handle = info->handle,
.new.oclass = NV_DMA_IN_MEMORY,
};
struct nouveau_drm *drm = nouveau_drm(dev);
struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev);
struct nouveau_abi16_chan *chan;
struct nouveau_abi16_ntfy *ntfy;
struct nvif_device *device = &abi16->device;
struct nvif_client *client;
int ret;
if (unlikely(!abi16))
return -ENOMEM;
/* completely unnecessary for these chipsets... */
if (unlikely(device->info.family >= NV_DEVICE_INFO_V0_FERMI))
return nouveau_abi16_put(abi16, -EINVAL);
client = nvif_client(nvif_object(&abi16->device));
chan = nouveau_abi16_chan(abi16, info->channel);
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 = nvkm_mm_head(&chan->heap, 0, 1, info->size, info->size, 1,
&ntfy->node);
if (ret)
goto done;
args.ctxdma.start = ntfy->node->offset;
args.ctxdma.limit = ntfy->node->offset + ntfy->node->length - 1;
if (device->info.family >= NV_DEVICE_INFO_V0_TESLA) {
args.ctxdma.target = NV_DMA_V0_TARGET_VM;
args.ctxdma.access = NV_DMA_V0_ACCESS_VM;
args.ctxdma.start += chan->ntfy_vma.offset;
args.ctxdma.limit += chan->ntfy_vma.offset;
} else
if (drm->agp.stat == ENABLED) {
args.ctxdma.target = NV_DMA_V0_TARGET_AGP;
args.ctxdma.access = NV_DMA_V0_ACCESS_RDWR;
args.ctxdma.start += drm->agp.base + chan->ntfy->bo.offset;
args.ctxdma.limit += drm->agp.base + chan->ntfy->bo.offset;
client->super = true;
} else {
args.ctxdma.target = NV_DMA_V0_TARGET_VM;
args.ctxdma.access = NV_DMA_V0_ACCESS_RDWR;
args.ctxdma.start += chan->ntfy->bo.offset;
args.ctxdma.limit += chan->ntfy->bo.offset;
}
ret = nvif_client_ioctl(client, &args, sizeof(args));
client->super = false;
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 {
struct nvif_ioctl_v0 ioctl;
struct nvif_ioctl_del del;
} args = {
.ioctl.owner = NVDRM_OBJECT_ABI16,
.ioctl.type = NVIF_IOCTL_V0_DEL,
.ioctl.path_nr = 4,
.ioctl.path[3] = NOUVEAU_ABI16_CLIENT,
.ioctl.path[2] = NOUVEAU_ABI16_DEVICE,
.ioctl.path[1] = NOUVEAU_ABI16_CHAN(fini->channel),
.ioctl.path[0] = fini->handle,
};
struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev);
struct nouveau_abi16_chan *chan;
struct nouveau_abi16_ntfy *ntfy;
struct nvif_client *client;
int ret;
if (unlikely(!abi16))
return -ENOMEM;
chan = nouveau_abi16_chan(abi16, fini->channel);
if (!chan)
return nouveau_abi16_put(abi16, -ENOENT);
client = nvif_client(nvif_object(&abi16->device));
/* synchronize with the user channel and destroy the gpu object */
nouveau_channel_idle(chan->chan);
ret = nvif_client_ioctl(client, &args, sizeof(args));
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) {
nvkm_mm_free(&chan->heap, &ntfy->node);
list_del(&ntfy->head);
break;
}
}
return nouveau_abi16_put(abi16, 0);
}