| /* |
| * 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); |
| 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 &= ~(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); |
| } |