diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_abi16.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_abi16.c | 493 |
1 files changed, 493 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_abi16.c b/drivers/gpu/drm/nouveau/nouveau_abi16.c new file mode 100644 index 0000000..1c4c6c9 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nouveau_abi16.c @@ -0,0 +1,493 @@ +/* + * 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_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; + + /* 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); + 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 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: + getparam->value = dev->pci_vendor; + break; + case NOUVEAU_GETPARAM_PCI_DEVICE: + getparam->value = dev->pci_device; + break; + case NOUVEAU_GETPARAM_BUS_TYPE: + 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 = 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 */ + 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_C0) { + 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; + +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); +} |