These changes are the raw update to linux-4.4.6-rt14. Kernel sources
[kvmfornfv.git] / kernel / drivers / gpu / drm / nouveau / nouveau_abi16.c
index d8b0891..7f50cf5 100644 (file)
@@ -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"
 #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.base, NULL,
-                                            NOUVEAU_ABI16_DEVICE, NV_DEVICE,
+                       if (nvif_device_init(&cli->base.object, 0, NV_DEVICE,
                                             &args, sizeof(args),
                                             &abi16->device) == 0)
                                return cli->abi16;
@@ -60,37 +59,46 @@ 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)
 {
-       struct nouveau_cli *cli = (void *)nvif_client(&abi16->device.base);
+       struct nouveau_cli *cli = (void *)abi16->device.object.client;
        mutex_unlock(&cli->mutex);
        return ret;
 }
 
-u16
+s32
 nouveau_abi16_swclass(struct nouveau_drm *drm)
 {
        switch (drm->device.info.family) {
        case NV_DEVICE_INFO_V0_TNT:
-               return 0x006e;
+               return NVIF_IOCTL_NEW_V0_SW_NV04;
        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;
+               return NVIF_IOCTL_NEW_V0_SW_NV10;
        case NV_DEVICE_INFO_V0_TESLA:
-               return 0x506e;
+               return NVIF_IOCTL_NEW_V0_SW_NV50;
        case NV_DEVICE_INFO_V0_FERMI:
        case NV_DEVICE_INFO_V0_KEPLER:
        case NV_DEVICE_INFO_V0_MAXWELL:
-               return 0x906e;
+               return NVIF_IOCTL_NEW_V0_SW_GF100;
        }
 
        return 0x0000;
@@ -100,6 +108,7 @@ static void
 nouveau_abi16_ntfy_fini(struct nouveau_abi16_chan *chan,
                        struct nouveau_abi16_ntfy *ntfy)
 {
+       nvif_object_fini(&ntfy->object);
        nvkm_mm_free(&chan->heap, &ntfy->node);
        list_del(&ntfy->head);
        kfree(ntfy);
@@ -132,7 +141,7 @@ 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->object->handle & 0xffff));
+               nouveau_channel_idle(chan->chan);
                nouveau_channel_del(&chan->chan);
        }
 
@@ -143,7 +152,7 @@ nouveau_abi16_chan_fini(struct nouveau_abi16 *abi16,
 void
 nouveau_abi16_fini(struct nouveau_abi16 *abi16)
 {
-       struct nouveau_cli *cli = (void *)nvif_client(&abi16->device.base);
+       struct nouveau_cli *cli = (void *)abi16->device.object.client;
        struct nouveau_abi16_chan *chan, *temp;
 
        /* cleanup channels */
@@ -164,7 +173,6 @@ 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;
 
@@ -173,19 +181,19 @@ nouveau_abi16_ioctl_getparam(ABI16_IOCTL_ARGS)
                getparam->value = device->info.chipset;
                break;
        case NOUVEAU_GETPARAM_PCI_VENDOR:
-               if (nv_device_is_pci(nvxx_device(device)))
+               if (nvxx_device(device)->func->pci)
                        getparam->value = dev->pdev->vendor;
                else
                        getparam->value = 0;
                break;
        case NOUVEAU_GETPARAM_PCI_DEVICE:
-               if (nv_device_is_pci(nvxx_device(device)))
+               if (nvxx_device(device)->func->pci)
                        getparam->value = dev->pdev->device;
                else
                        getparam->value = 0;
                break;
        case NOUVEAU_GETPARAM_BUS_TYPE:
-               if (!nv_device_is_pci(nvxx_device(device)))
+               if (!nvxx_device(device)->func->pci)
                        getparam->value = 3;
                else
                if (drm_pci_device_is_agp(dev))
@@ -206,7 +214,7 @@ nouveau_abi16_ioctl_getparam(ABI16_IOCTL_ARGS)
                getparam->value = 0; /* deprecated */
                break;
        case NOUVEAU_GETPARAM_PTIMER_TIME:
-               getparam->value = ptimer->read(ptimer);
+               getparam->value = nvif_device_time(device);
                break;
        case NOUVEAU_GETPARAM_HAS_BO_USAGE:
                getparam->value = 1;
@@ -215,10 +223,10 @@ nouveau_abi16_ioctl_getparam(ABI16_IOCTL_ARGS)
                getparam->value = 1;
                break;
        case NOUVEAU_GETPARAM_GRAPH_UNITS:
-               getparam->value = gr->units ? gr->units(gr) : 0;
+               getparam->value = nvkm_gr_units(gr);
                break;
        default:
-               NV_PRINTK(debug, cli, "unknown parameter %lld\n", getparam->param);
+               NV_PRINTK(dbg, cli, "unknown parameter %lld\n", getparam->param);
                return -EINVAL;
        }
 
@@ -237,7 +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;
@@ -267,26 +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;
@@ -337,18 +340,56 @@ 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))
+               if (chan->chan->chid == channel)
                        return chan;
        }
 
        return NULL;
 }
 
+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))
@@ -365,40 +406,91 @@ 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 nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv);
+       struct nouveau_abi16_chan *chan;
+       struct nouveau_abi16_ntfy *ntfy;
        struct nvif_client *client;
-       int ret;
+       struct nvif_sclass *sclass;
+       s32 oclass = 0;
+       int ret, i;
 
        if (unlikely(!abi16))
                return -ENOMEM;
 
        if (init->handle == ~0)
                return nouveau_abi16_put(abi16, -EINVAL);
-       client = nvif_client(nvif_object(&abi16->device));
+       client = abi16->device.object.client;
 
-       /* 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);
+       chan = nouveau_abi16_chan(abi16, init->channel);
+       if (!chan)
+               return nouveau_abi16_put(abi16, -ENOENT);
+
+       ret = nvif_object_sclass_get(&chan->chan->user, &sclass);
+       if (ret < 0)
+               return nouveau_abi16_put(abi16, ret);
+
+       if ((init->class & 0x00ff) == 0x006e) {
+               /* nvsw: compatibility with older 0x*6e class identifier */
+               for (i = 0; !oclass && i < ret; i++) {
+                       switch (sclass[i].oclass) {
+                       case NVIF_IOCTL_NEW_V0_SW_NV04:
+                       case NVIF_IOCTL_NEW_V0_SW_NV10:
+                       case NVIF_IOCTL_NEW_V0_SW_NV50:
+                       case NVIF_IOCTL_NEW_V0_SW_GF100:
+                               oclass = sclass[i].oclass;
+                               break;
+                       default:
+                               break;
+                       }
+               }
+       } else
+       if ((init->class & 0x00ff) == 0x00b1) {
+               /* msvld: compatibility with incorrect version exposure */
+               for (i = 0; i < ret; i++) {
+                       if ((sclass[i].oclass & 0x00ff) == 0x00b1) {
+                               oclass = sclass[i].oclass;
+                               break;
+                       }
+               }
+       } else
+       if ((init->class & 0x00ff) == 0x00b2) { /* mspdec */
+               /* mspdec: compatibility with incorrect version exposure */
+               for (i = 0; i < ret; i++) {
+                       if ((sclass[i].oclass & 0x00ff) == 0x00b2) {
+                               oclass = sclass[i].oclass;
+                               break;
+                       }
+               }
+       } else
+       if ((init->class & 0x00ff) == 0x00b3) { /* msppp */
+               /* msppp: compatibility with incorrect version exposure */
+               for (i = 0; i < ret; i++) {
+                       if ((sclass[i].oclass & 0x00ff) == 0x00b3) {
+                               oclass = sclass[i].oclass;
+                               break;
+                       }
+               }
+       } else {
+               oclass = init->class;
        }
 
-       ret = nvif_client_ioctl(client, &args, sizeof(args));
+       nvif_object_sclass_put(&sclass);
+       if (!oclass)
+               return nouveau_abi16_put(abi16, -EINVAL);
+
+       ntfy = kzalloc(sizeof(*ntfy), GFP_KERNEL);
+       if (!ntfy)
+               return nouveau_abi16_put(abi16, -ENOMEM);
+
+       list_add(&ntfy->head, &chan->notifiers);
+
+       client->route = NVDRM_OBJECT_ABI16;
+       ret = nvif_object_init(&chan->chan->user, init->handle, oclass,
+                              NULL, 0, &ntfy->object);
+       client->route = NVDRM_OBJECT_NVIF;
+
+       if (ret)
+               nouveau_abi16_ntfy_fini(chan, ntfy);
        return nouveau_abi16_put(abi16, ret);
 }
 
@@ -406,27 +498,13 @@ 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 *abi16 = nouveau_abi16_get(file_priv);
        struct nouveau_abi16_chan *chan;
        struct nouveau_abi16_ntfy *ntfy;
        struct nvif_device *device = &abi16->device;
        struct nvif_client *client;
+       struct nv_dma_v0 args = {};
        int ret;
 
        if (unlikely(!abi16))
@@ -435,7 +513,7 @@ nouveau_abi16_ioctl_notifierobj_alloc(ABI16_IOCTL_ARGS)
        /* 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));
+       client = abi16->device.object.client;
 
        chan = nouveau_abi16_chan(abi16, info->channel);
        if (!chan)
@@ -446,41 +524,43 @@ nouveau_abi16_ioctl_notifierobj_alloc(ABI16_IOCTL_ARGS)
                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;
+       args.start = ntfy->node->offset;
+       args.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;
+               args.target = NV_DMA_V0_TARGET_VM;
+               args.access = NV_DMA_V0_ACCESS_VM;
+               args.start += chan->ntfy_vma.offset;
+               args.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;
+       if (drm->agp.bridge) {
+               args.target = NV_DMA_V0_TARGET_AGP;
+               args.access = NV_DMA_V0_ACCESS_RDWR;
+               args.start += drm->agp.base + chan->ntfy->bo.offset;
+               args.limit += drm->agp.base + chan->ntfy->bo.offset;
        } 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;
+               args.target = NV_DMA_V0_TARGET_VM;
+               args.access = NV_DMA_V0_ACCESS_RDWR;
+               args.start += chan->ntfy->bo.offset;
+               args.limit += chan->ntfy->bo.offset;
        }
 
-       ret = nvif_client_ioctl(client, &args, sizeof(args));
+       client->route = NVDRM_OBJECT_ABI16;
+       client->super = true;
+       ret = nvif_object_init(&chan->chan->user, info->handle,
+                              NV_DMA_IN_MEMORY, &args, sizeof(args),
+                              &ntfy->object);
        client->super = false;
+       client->route = NVDRM_OBJECT_NVIF;
        if (ret)
                goto done;
 
        info->offset = ntfy->node->offset;
-
 done:
        if (ret)
                nouveau_abi16_ntfy_fini(chan, ntfy);
@@ -491,47 +571,28 @@ 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 *abi16 = nouveau_abi16_get(file_priv);
        struct nouveau_abi16_chan *chan;
        struct nouveau_abi16_ntfy *ntfy;
-       struct nvif_client *client;
-       int ret;
+       int ret = -ENOENT;
 
        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));
+               return nouveau_abi16_put(abi16, -EINVAL);
 
        /* 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);
+               if (ntfy->object.handle == fini->handle) {
+                       nouveau_abi16_ntfy_fini(chan, ntfy);
+                       ret = 0;
                        break;
                }
        }
 
-       return nouveau_abi16_put(abi16, 0);
+       return nouveau_abi16_put(abi16, ret);
 }