diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_abi16.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_abi16.c | 84 |
1 files changed, 62 insertions, 22 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_abi16.c b/drivers/gpu/drm/nouveau/nouveau_abi16.c index d336c2247d6a..7f50cf5f929e 100644 --- a/drivers/gpu/drm/nouveau/nouveau_abi16.c +++ b/drivers/gpu/drm/nouveau/nouveau_abi16.c @@ -25,6 +25,7 @@ #include <nvif/driver.h> #include <nvif/ioctl.h> #include <nvif/class.h> +#include <nvif/unpack.h> #include "nouveau_drm.h" #include "nouveau_dma.h" @@ -32,11 +33,10 @@ #include "nouveau_chan.h" #include "nouveau_abi16.h" -struct nouveau_abi16 * -nouveau_abi16_get(struct drm_file *file_priv, struct drm_device *dev) +static struct nouveau_abi16 * +nouveau_abi16(struct drm_file *file_priv) { 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); @@ -51,8 +51,7 @@ nouveau_abi16_get(struct drm_file *file_priv, struct drm_device *dev) * device (ie. the one that belongs to the fd it * opened) */ - if (nvif_device_init(&cli->base.object, - NOUVEAU_ABI16_DEVICE, NV_DEVICE, + if (nvif_device_init(&cli->base.object, 0, NV_DEVICE, &args, sizeof(args), &abi16->device) == 0) return cli->abi16; @@ -60,12 +59,21 @@ nouveau_abi16_get(struct drm_file *file_priv, struct drm_device *dev) kfree(cli->abi16); cli->abi16 = NULL; } - - mutex_unlock(&cli->mutex); } return cli->abi16; } +struct nouveau_abi16 * +nouveau_abi16_get(struct drm_file *file_priv) +{ + struct nouveau_cli *cli = nouveau_cli(file_priv); + mutex_lock(&cli->mutex); + if (nouveau_abi16(file_priv)) + return cli->abi16; + mutex_unlock(&cli->mutex); + return NULL; +} + int nouveau_abi16_put(struct nouveau_abi16 *abi16, int ret) { @@ -133,7 +141,6 @@ nouveau_abi16_chan_fini(struct nouveau_abi16 *abi16, /* destroy channel object, all children will be killed too */ if (chan->chan) { - abi16->handles &= ~(1ULL << (chan->chan->user.handle & 0xffff)); nouveau_channel_idle(chan->chan); nouveau_channel_del(&chan->chan); } @@ -238,7 +245,7 @@ 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 *abi16 = nouveau_abi16_get(file_priv); struct nouveau_abi16_chan *chan; struct nvif_device *device; int ret; @@ -268,26 +275,21 @@ nouveau_abi16_ioctl_channel_alloc(ABI16_IOCTL_ARGS) 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, + ret = nouveau_channel_new(drm, device, init->fb_ctxdma_handle, init->tt_ctxdma_handle, &chan->chan); if (ret) goto done; + init->channel = chan->chan->chid; + if (device->info.family >= NV_DEVICE_INFO_V0_TESLA) init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM | NOUVEAU_GEM_DOMAIN_GART; @@ -338,7 +340,7 @@ 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->user.handle == NOUVEAU_ABI16_CHAN(channel)) + if (chan->chan->chid == channel) return chan; } @@ -346,10 +348,48 @@ nouveau_abi16_chan(struct nouveau_abi16 *abi16, int channel) } int +nouveau_abi16_usif(struct drm_file *file_priv, void *data, u32 size) +{ + union { + struct nvif_ioctl_v0 v0; + } *args = data; + struct nouveau_abi16_chan *chan; + struct nouveau_abi16 *abi16; + int ret; + + if (nvif_unpack(args->v0, 0, 0, true)) { + switch (args->v0.type) { + case NVIF_IOCTL_V0_NEW: + case NVIF_IOCTL_V0_MTHD: + case NVIF_IOCTL_V0_SCLASS: + break; + default: + return -EACCES; + } + } else + return ret; + + if (!(abi16 = nouveau_abi16(file_priv))) + return -ENOMEM; + + if (args->v0.token != ~0ULL) { + if (!(chan = nouveau_abi16_chan(abi16, args->v0.token))) + return -EINVAL; + args->v0.object = nvif_handle(&chan->chan->user); + args->v0.owner = NVIF_IOCTL_V0_OWNER_ANY; + return 0; + } + + args->v0.object = nvif_handle(&abi16->device.object); + args->v0.owner = NVIF_IOCTL_V0_OWNER_ANY; + return 0; +} + +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 *abi16 = nouveau_abi16_get(file_priv); struct nouveau_abi16_chan *chan; if (unlikely(!abi16)) @@ -366,7 +406,7 @@ 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_abi16 *abi16 = nouveau_abi16_get(file_priv); struct nouveau_abi16_chan *chan; struct nouveau_abi16_ntfy *ntfy; struct nvif_client *client; @@ -459,7 +499,7 @@ nouveau_abi16_ioctl_notifierobj_alloc(ABI16_IOCTL_ARGS) { struct drm_nouveau_notifierobj_alloc *info = data; struct nouveau_drm *drm = nouveau_drm(dev); - struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev); + struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv); struct nouveau_abi16_chan *chan; struct nouveau_abi16_ntfy *ntfy; struct nvif_device *device = &abi16->device; @@ -531,7 +571,7 @@ 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 *abi16 = nouveau_abi16_get(file_priv); struct nouveau_abi16_chan *chan; struct nouveau_abi16_ntfy *ntfy; int ret = -ENOENT; |