From 4acfd707e28c820ba8ed8c12b497413a133d8c8f Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Sun, 10 Aug 2014 04:10:24 +1000 Subject: drm/nouveau/dma: audit and version NV_DMA classes The full object interfaces are about to be exposed to userspace, so we need to check for any security-related issues and version the structs to make it easier to handle any changes we may need in the future. Signed-off-by: Ben Skeggs diff --git a/drivers/gpu/drm/nouveau/core/engine/dmaobj/base.c b/drivers/gpu/drm/nouveau/core/engine/dmaobj/base.c index 2472c6b..e1500f7 100644 --- a/drivers/gpu/drm/nouveau/core/engine/dmaobj/base.c +++ b/drivers/gpu/drm/nouveau/core/engine/dmaobj/base.c @@ -23,9 +23,12 @@ */ #include -#include +#include +#include +#include #include +#include #include "priv.h" @@ -57,57 +60,87 @@ nvkm_dmaobj_create_(struct nouveau_object *parent, struct nouveau_oclass *oclass, void **pdata, u32 *psize, int length, void **pobject) { - struct nv_dma_class *args = *pdata; + union { + struct nv_dma_v0 v0; + } *args = *pdata; + struct nouveau_instmem *instmem = nouveau_instmem(parent); + struct nouveau_client *client = nouveau_client(parent); + struct nouveau_device *device = nv_device(parent); + struct nouveau_fb *pfb = nouveau_fb(parent); struct nouveau_dmaobj *dmaobj; + void *data = *pdata; + u32 size = *psize; int ret; - if (*psize < sizeof(*args)) - return -EINVAL; - *pdata = &args->conf0; - ret = nouveau_object_create_(parent, engine, oclass, 0, length, pobject); dmaobj = *pobject; if (ret) return ret; - switch (args->flags & NV_DMA_TARGET_MASK) { - case NV_DMA_TARGET_VM: + nv_ioctl(parent, "create dma size %d\n", *psize); + if (nvif_unpack(args->v0, 0, 0, true)) { + nv_ioctl(parent, "create dma vers %d target %d access %d " + "start %016llx limit %016llx\n", + args->v0.version, args->v0.target, args->v0.access, + args->v0.start, args->v0.limit); + dmaobj->target = args->v0.target; + dmaobj->access = args->v0.access; + dmaobj->start = args->v0.start; + dmaobj->limit = args->v0.limit; + } else + return ret; + + *pdata = data; + *psize = size; + + if (dmaobj->start > dmaobj->limit) + return -EINVAL; + + switch (dmaobj->target) { + case NV_DMA_V0_TARGET_VM: dmaobj->target = NV_MEM_TARGET_VM; break; - case NV_DMA_TARGET_VRAM: + case NV_DMA_V0_TARGET_VRAM: + if (!client->super) { + if (dmaobj->limit >= pfb->ram->size - instmem->reserved) + return -EACCES; + if (device->card_type >= NV_50) + return -EACCES; + } dmaobj->target = NV_MEM_TARGET_VRAM; break; - case NV_DMA_TARGET_PCI: + case NV_DMA_V0_TARGET_PCI: + if (!client->super) + return -EACCES; dmaobj->target = NV_MEM_TARGET_PCI; break; - case NV_DMA_TARGET_PCI_US: - case NV_DMA_TARGET_AGP: + case NV_DMA_V0_TARGET_PCI_US: + case NV_DMA_V0_TARGET_AGP: + if (!client->super) + return -EACCES; dmaobj->target = NV_MEM_TARGET_PCI_NOSNOOP; break; default: return -EINVAL; } - switch (args->flags & NV_DMA_ACCESS_MASK) { - case NV_DMA_ACCESS_VM: + switch (dmaobj->access) { + case NV_DMA_V0_ACCESS_VM: dmaobj->access = NV_MEM_ACCESS_VM; break; - case NV_DMA_ACCESS_RD: + case NV_DMA_V0_ACCESS_RD: dmaobj->access = NV_MEM_ACCESS_RO; break; - case NV_DMA_ACCESS_WR: + case NV_DMA_V0_ACCESS_WR: dmaobj->access = NV_MEM_ACCESS_WO; break; - case NV_DMA_ACCESS_RDWR: + case NV_DMA_V0_ACCESS_RDWR: dmaobj->access = NV_MEM_ACCESS_RW; break; default: return -EINVAL; } - dmaobj->start = args->start; - dmaobj->limit = args->limit; - dmaobj->conf0 = args->conf0; return ret; } diff --git a/drivers/gpu/drm/nouveau/core/engine/dmaobj/nv04.c b/drivers/gpu/drm/nouveau/core/engine/dmaobj/nv04.c index 62d25a0..a1e722a 100644 --- a/drivers/gpu/drm/nouveau/core/engine/dmaobj/nv04.c +++ b/drivers/gpu/drm/nouveau/core/engine/dmaobj/nv04.c @@ -24,6 +24,7 @@ #include #include +#include #include #include @@ -94,7 +95,7 @@ nv04_dmaobj_ctor(struct nouveau_object *parent, struct nouveau_object *engine, ret = nvkm_dmaobj_create(parent, engine, oclass, &data, &size, &priv); *pobject = nv_object(priv); - if (ret) + if (ret || (ret = -ENOSYS, size)) return ret; if (priv->base.target == NV_MEM_TARGET_VM) { @@ -145,9 +146,9 @@ nv04_dmaobj_ofuncs = { static struct nouveau_oclass nv04_dmaeng_sclass[] = { - { NV_DMA_FROM_MEMORY_CLASS, &nv04_dmaobj_ofuncs }, - { NV_DMA_TO_MEMORY_CLASS, &nv04_dmaobj_ofuncs }, - { NV_DMA_IN_MEMORY_CLASS, &nv04_dmaobj_ofuncs }, + { NV_DMA_FROM_MEMORY, &nv04_dmaobj_ofuncs }, + { NV_DMA_TO_MEMORY, &nv04_dmaobj_ofuncs }, + { NV_DMA_IN_MEMORY, &nv04_dmaobj_ofuncs }, {} }; diff --git a/drivers/gpu/drm/nouveau/core/engine/dmaobj/nv50.c b/drivers/gpu/drm/nouveau/core/engine/dmaobj/nv50.c index 5996a30..71387c4 100644 --- a/drivers/gpu/drm/nouveau/core/engine/dmaobj/nv50.c +++ b/drivers/gpu/drm/nouveau/core/engine/dmaobj/nv50.c @@ -22,8 +22,11 @@ * Authors: Ben Skeggs */ +#include #include #include +#include +#include #include @@ -90,10 +93,11 @@ nv50_dmaobj_ctor(struct nouveau_object *parent, struct nouveau_object *engine, struct nouveau_object **pobject) { struct nouveau_dmaeng *dmaeng = (void *)engine; - struct nv50_dmaobj_priv *priv; union { - u32 conf0; + struct nv50_dma_v0 v0; } *args; + struct nv50_dmaobj_priv *priv; + u32 user, part, comp, kind; int ret; ret = nvkm_dmaobj_create(parent, engine, oclass, &data, &size, &priv); @@ -102,24 +106,36 @@ nv50_dmaobj_ctor(struct nouveau_object *parent, struct nouveau_object *engine, return ret; args = data; - if (!(args->conf0 & NV50_DMA_CONF0_ENABLE)) { - if (priv->base.target == NV_MEM_TARGET_VM) { - args->conf0 = NV50_DMA_CONF0_PRIV_VM; - args->conf0 |= NV50_DMA_CONF0_PART_VM; - args->conf0 |= NV50_DMA_CONF0_COMP_VM; - args->conf0 |= NV50_DMA_CONF0_TYPE_VM; + nv_ioctl(parent, "create nv50 dma size %d\n", size); + if (nvif_unpack(args->v0, 0, 0, false)) { + nv_ioctl(parent, "create nv50 dma vers %d priv %d part %d " + "comp %d kind %02x\n", args->v0.version, + args->v0.priv, args->v0.part, args->v0.comp, + args->v0.kind); + user = args->v0.priv; + part = args->v0.part; + comp = args->v0.comp; + kind = args->v0.kind; + } else + if (size == 0) { + if (priv->base.target != NV_MEM_TARGET_VM) { + user = NV50_DMA_V0_PRIV_US; + part = NV50_DMA_V0_PART_256; + comp = NV50_DMA_V0_COMP_NONE; + kind = NV50_DMA_V0_KIND_PITCH; } else { - args->conf0 = NV50_DMA_CONF0_PRIV_US; - args->conf0 |= NV50_DMA_CONF0_PART_256; - args->conf0 |= NV50_DMA_CONF0_COMP_NONE; - args->conf0 |= NV50_DMA_CONF0_TYPE_LINEAR; + user = NV50_DMA_V0_PRIV_VM; + part = NV50_DMA_V0_PART_VM; + comp = NV50_DMA_V0_COMP_VM; + kind = NV50_DMA_V0_KIND_VM; } - } + } else + return ret; - priv->flags0 |= (args->conf0 & NV50_DMA_CONF0_COMP) << 22; - priv->flags0 |= (args->conf0 & NV50_DMA_CONF0_TYPE) << 22; - priv->flags0 |= (args->conf0 & NV50_DMA_CONF0_PRIV); - priv->flags5 |= (args->conf0 & NV50_DMA_CONF0_PART); + if (user > 2 || part > 2 || comp > 3 || kind > 0x7f) + return -EINVAL; + priv->flags0 = (comp << 29) | (kind << 22) | (user << 20); + priv->flags5 = (part << 16); switch (priv->base.target) { case NV_MEM_TARGET_VM: @@ -165,9 +181,9 @@ nv50_dmaobj_ofuncs = { static struct nouveau_oclass nv50_dmaeng_sclass[] = { - { NV_DMA_FROM_MEMORY_CLASS, &nv50_dmaobj_ofuncs }, - { NV_DMA_TO_MEMORY_CLASS, &nv50_dmaobj_ofuncs }, - { NV_DMA_IN_MEMORY_CLASS, &nv50_dmaobj_ofuncs }, + { NV_DMA_FROM_MEMORY, &nv50_dmaobj_ofuncs }, + { NV_DMA_TO_MEMORY, &nv50_dmaobj_ofuncs }, + { NV_DMA_IN_MEMORY, &nv50_dmaobj_ofuncs }, {} }; diff --git a/drivers/gpu/drm/nouveau/core/engine/dmaobj/nvc0.c b/drivers/gpu/drm/nouveau/core/engine/dmaobj/nvc0.c index c6753a0..ef8031e 100644 --- a/drivers/gpu/drm/nouveau/core/engine/dmaobj/nvc0.c +++ b/drivers/gpu/drm/nouveau/core/engine/dmaobj/nvc0.c @@ -22,9 +22,12 @@ * Authors: Ben Skeggs */ +#include #include #include #include +#include +#include #include @@ -76,10 +79,11 @@ nvc0_dmaobj_ctor(struct nouveau_object *parent, struct nouveau_object *engine, struct nouveau_object **pobject) { struct nouveau_dmaeng *dmaeng = (void *)engine; - struct nvc0_dmaobj_priv *priv; union { - u32 conf0; + struct gf100_dma_v0 v0; } *args; + struct nvc0_dmaobj_priv *priv; + u32 kind, user, unkn; int ret; ret = nvkm_dmaobj_create(parent, engine, oclass, &data, &size, &priv); @@ -88,20 +92,31 @@ nvc0_dmaobj_ctor(struct nouveau_object *parent, struct nouveau_object *engine, return ret; args = data; - if (!(args->conf0 & NVC0_DMA_CONF0_ENABLE)) { - if (priv->base.target == NV_MEM_TARGET_VM) { - args->conf0 = NVC0_DMA_CONF0_PRIV_VM; - args->conf0 |= NVC0_DMA_CONF0_TYPE_VM; + nv_ioctl(parent, "create gf100 dma size %d\n", size); + if (nvif_unpack(args->v0, 0, 0, false)) { + nv_ioctl(parent, "create gf100 dma vers %d priv %d kind %02x\n", + args->v0.version, args->v0.priv, args->v0.kind); + kind = args->v0.kind; + user = args->v0.priv; + unkn = 0; + } else + if (size == 0) { + if (priv->base.target != NV_MEM_TARGET_VM) { + kind = GF100_DMA_V0_KIND_PITCH; + user = GF100_DMA_V0_PRIV_US; + unkn = 2; } else { - args->conf0 = NVC0_DMA_CONF0_PRIV_US; - args->conf0 |= NVC0_DMA_CONF0_TYPE_LINEAR; - args->conf0 |= 0x00020000; + kind = GF100_DMA_V0_KIND_VM; + user = GF100_DMA_V0_PRIV_VM; + unkn = 0; } - } + } else + return ret; - priv->flags0 |= (args->conf0 & NVC0_DMA_CONF0_TYPE) << 22; - priv->flags0 |= (args->conf0 & NVC0_DMA_CONF0_PRIV); - priv->flags5 |= (args->conf0 & NVC0_DMA_CONF0_UNKN); + if (user > 2) + return -EINVAL; + priv->flags0 |= (kind << 22) | (user << 20); + priv->flags5 |= (unkn << 16); switch (priv->base.target) { case NV_MEM_TARGET_VM: @@ -145,9 +160,9 @@ nvc0_dmaobj_ofuncs = { static struct nouveau_oclass nvc0_dmaeng_sclass[] = { - { NV_DMA_FROM_MEMORY_CLASS, &nvc0_dmaobj_ofuncs }, - { NV_DMA_TO_MEMORY_CLASS, &nvc0_dmaobj_ofuncs }, - { NV_DMA_IN_MEMORY_CLASS, &nvc0_dmaobj_ofuncs }, + { NV_DMA_FROM_MEMORY, &nvc0_dmaobj_ofuncs }, + { NV_DMA_TO_MEMORY, &nvc0_dmaobj_ofuncs }, + { NV_DMA_IN_MEMORY, &nvc0_dmaobj_ofuncs }, {} }; diff --git a/drivers/gpu/drm/nouveau/core/engine/dmaobj/nvd0.c b/drivers/gpu/drm/nouveau/core/engine/dmaobj/nvd0.c index c4b9b8d..d07ed0d 100644 --- a/drivers/gpu/drm/nouveau/core/engine/dmaobj/nvd0.c +++ b/drivers/gpu/drm/nouveau/core/engine/dmaobj/nvd0.c @@ -22,9 +22,12 @@ * Authors: Ben Skeggs */ +#include #include #include #include +#include +#include #include @@ -83,10 +86,11 @@ nvd0_dmaobj_ctor(struct nouveau_object *parent, struct nouveau_object *engine, struct nouveau_object **pobject) { struct nouveau_dmaeng *dmaeng = (void *)engine; - struct nvd0_dmaobj_priv *priv; union { - u32 conf0; + struct gf110_dma_v0 v0; } *args; + struct nvd0_dmaobj_priv *priv; + u32 kind, page; int ret; ret = nvkm_dmaobj_create(parent, engine, oclass, &data, &size, &priv); @@ -95,18 +99,27 @@ nvd0_dmaobj_ctor(struct nouveau_object *parent, struct nouveau_object *engine, return ret; args = data; - if (!(args->conf0 & NVD0_DMA_CONF0_ENABLE)) { - if (priv->base.target == NV_MEM_TARGET_VM) { - args->conf0 |= NVD0_DMA_CONF0_TYPE_VM; - args->conf0 |= NVD0_DMA_CONF0_PAGE_LP; + nv_ioctl(parent, "create gf110 dma size %d\n", size); + if (nvif_unpack(args->v0, 0, 0, false)) { + nv_ioctl(parent, "create gf100 dma vers %d page %d kind %02x\n", + args->v0.version, args->v0.page, args->v0.kind); + kind = args->v0.kind; + page = args->v0.page; + } else + if (size == 0) { + if (priv->base.target != NV_MEM_TARGET_VM) { + kind = GF110_DMA_V0_KIND_PITCH; + page = GF110_DMA_V0_PAGE_SP; } else { - args->conf0 |= NVD0_DMA_CONF0_TYPE_LINEAR; - args->conf0 |= NVD0_DMA_CONF0_PAGE_SP; + kind = GF110_DMA_V0_KIND_VM; + page = GF110_DMA_V0_PAGE_LP; } - } + } else + return ret; - priv->flags0 |= (args->conf0 & NVD0_DMA_CONF0_TYPE) << 20; - priv->flags0 |= (args->conf0 & NVD0_DMA_CONF0_PAGE) >> 4; + if (page > 1) + return -EINVAL; + priv->flags0 = (kind << 20) | (page << 6); switch (priv->base.target) { case NV_MEM_TARGET_VRAM: @@ -138,9 +151,9 @@ nvd0_dmaobj_ofuncs = { static struct nouveau_oclass nvd0_dmaeng_sclass[] = { - { NV_DMA_FROM_MEMORY_CLASS, &nvd0_dmaobj_ofuncs }, - { NV_DMA_TO_MEMORY_CLASS, &nvd0_dmaobj_ofuncs }, - { NV_DMA_IN_MEMORY_CLASS, &nvd0_dmaobj_ofuncs }, + { NV_DMA_FROM_MEMORY, &nvd0_dmaobj_ofuncs }, + { NV_DMA_TO_MEMORY, &nvd0_dmaobj_ofuncs }, + { NV_DMA_IN_MEMORY, &nvd0_dmaobj_ofuncs }, {} }; diff --git a/drivers/gpu/drm/nouveau/core/engine/fifo/base.c b/drivers/gpu/drm/nouveau/core/engine/fifo/base.c index 2f81cbc..4f0e3d1 100644 --- a/drivers/gpu/drm/nouveau/core/engine/fifo/base.c +++ b/drivers/gpu/drm/nouveau/core/engine/fifo/base.c @@ -76,8 +76,8 @@ nouveau_fifo_channel_create_(struct nouveau_object *parent, dmaeng = (void *)chan->pushdma->base.engine; switch (chan->pushdma->base.oclass->handle) { - case NV_DMA_FROM_MEMORY_CLASS: - case NV_DMA_IN_MEMORY_CLASS: + case NV_DMA_FROM_MEMORY: + case NV_DMA_IN_MEMORY: break; default: return -EINVAL; diff --git a/drivers/gpu/drm/nouveau/core/include/core/class.h b/drivers/gpu/drm/nouveau/core/include/core/class.h index fa35f00..53004b7 100644 --- a/drivers/gpu/drm/nouveau/core/include/core/class.h +++ b/drivers/gpu/drm/nouveau/core/include/core/class.h @@ -3,73 +3,6 @@ #include -/* DMA object classes - * - * 0002: NV_DMA_FROM_MEMORY - * 0003: NV_DMA_TO_MEMORY - * 003d: NV_DMA_IN_MEMORY - */ -#define NV_DMA_FROM_MEMORY_CLASS 0x00000002 -#define NV_DMA_TO_MEMORY_CLASS 0x00000003 -#define NV_DMA_IN_MEMORY_CLASS 0x0000003d - -#define NV_DMA_TARGET_MASK 0x000000ff -#define NV_DMA_TARGET_VM 0x00000000 -#define NV_DMA_TARGET_VRAM 0x00000001 -#define NV_DMA_TARGET_PCI 0x00000002 -#define NV_DMA_TARGET_PCI_US 0x00000003 -#define NV_DMA_TARGET_AGP 0x00000004 -#define NV_DMA_ACCESS_MASK 0x00000f00 -#define NV_DMA_ACCESS_VM 0x00000000 -#define NV_DMA_ACCESS_RD 0x00000100 -#define NV_DMA_ACCESS_WR 0x00000200 -#define NV_DMA_ACCESS_RDWR 0x00000300 - -/* NV50:NVC0 */ -#define NV50_DMA_CONF0_ENABLE 0x80000000 -#define NV50_DMA_CONF0_PRIV 0x00300000 -#define NV50_DMA_CONF0_PRIV_VM 0x00000000 -#define NV50_DMA_CONF0_PRIV_US 0x00100000 -#define NV50_DMA_CONF0_PRIV__S 0x00200000 -#define NV50_DMA_CONF0_PART 0x00030000 -#define NV50_DMA_CONF0_PART_VM 0x00000000 -#define NV50_DMA_CONF0_PART_256 0x00010000 -#define NV50_DMA_CONF0_PART_1KB 0x00020000 -#define NV50_DMA_CONF0_COMP 0x00000180 -#define NV50_DMA_CONF0_COMP_NONE 0x00000000 -#define NV50_DMA_CONF0_COMP_VM 0x00000180 -#define NV50_DMA_CONF0_TYPE 0x0000007f -#define NV50_DMA_CONF0_TYPE_LINEAR 0x00000000 -#define NV50_DMA_CONF0_TYPE_VM 0x0000007f - -/* NVC0:NVD9 */ -#define NVC0_DMA_CONF0_ENABLE 0x80000000 -#define NVC0_DMA_CONF0_PRIV 0x00300000 -#define NVC0_DMA_CONF0_PRIV_VM 0x00000000 -#define NVC0_DMA_CONF0_PRIV_US 0x00100000 -#define NVC0_DMA_CONF0_PRIV__S 0x00200000 -#define NVC0_DMA_CONF0_UNKN /* PART? */ 0x00030000 -#define NVC0_DMA_CONF0_TYPE 0x000000ff -#define NVC0_DMA_CONF0_TYPE_LINEAR 0x00000000 -#define NVC0_DMA_CONF0_TYPE_VM 0x000000ff - -/* NVD9- */ -#define NVD0_DMA_CONF0_ENABLE 0x80000000 -#define NVD0_DMA_CONF0_PAGE 0x00000400 -#define NVD0_DMA_CONF0_PAGE_LP 0x00000000 -#define NVD0_DMA_CONF0_PAGE_SP 0x00000400 -#define NVD0_DMA_CONF0_TYPE 0x000000ff -#define NVD0_DMA_CONF0_TYPE_LINEAR 0x00000000 -#define NVD0_DMA_CONF0_TYPE_VM 0x000000ff - -struct nv_dma_class { - u32 flags; - u32 pad0; - u64 start; - u64 limit; - u32 conf0; -}; - /* Perfmon counter class * * XXXX: NV_PERFCTR diff --git a/drivers/gpu/drm/nouveau/core/include/engine/dmaobj.h b/drivers/gpu/drm/nouveau/core/include/engine/dmaobj.h index f060b06..1b283a7 100644 --- a/drivers/gpu/drm/nouveau/core/include/engine/dmaobj.h +++ b/drivers/gpu/drm/nouveau/core/include/engine/dmaobj.h @@ -12,7 +12,6 @@ struct nouveau_dmaobj { u32 access; u64 start; u64 limit; - u32 conf0; }; struct nouveau_dmaeng { diff --git a/drivers/gpu/drm/nouveau/nouveau_abi16.c b/drivers/gpu/drm/nouveau/nouveau_abi16.c index 1e312fe..0325db9 100644 --- a/drivers/gpu/drm/nouveau/nouveau_abi16.c +++ b/drivers/gpu/drm/nouveau/nouveau_abi16.c @@ -413,7 +413,7 @@ nouveau_abi16_ioctl_notifierobj_alloc(ABI16_IOCTL_ARGS) struct { struct nvif_ioctl_v0 ioctl; struct nvif_ioctl_new_v0 new; - struct nv_dma_class ctxdma; + struct nv_dma_v0 ctxdma; } args = { .ioctl.owner = NVIF_IOCTL_V0_OWNER_ANY, .ioctl.type = NVIF_IOCTL_V0_NEW, @@ -423,7 +423,7 @@ nouveau_abi16_ioctl_notifierobj_alloc(ABI16_IOCTL_ARGS) .ioctl.path[0] = NOUVEAU_ABI16_CHAN(info->channel), .new.route = NVDRM_OBJECT_ABI16, .new.handle = info->handle, - .new.oclass = NV_DMA_IN_MEMORY_CLASS, + .new.oclass = NV_DMA_IN_MEMORY, }; struct nouveau_drm *drm = nouveau_drm(dev); struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev); @@ -460,17 +460,20 @@ nouveau_abi16_ioctl_notifierobj_alloc(ABI16_IOCTL_ARGS) 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.flags = NV_DMA_TARGET_VM | NV_DMA_ACCESS_VM; + 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.flags = NV_DMA_TARGET_AGP | NV_DMA_ACCESS_RDWR; + 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.flags = NV_DMA_TARGET_VM | NV_DMA_ACCESS_RDWR; + 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; } diff --git a/drivers/gpu/drm/nouveau/nouveau_chan.c b/drivers/gpu/drm/nouveau/nouveau_chan.c index b63a56e..5ce2110 100644 --- a/drivers/gpu/drm/nouveau/nouveau_chan.c +++ b/drivers/gpu/drm/nouveau/nouveau_chan.c @@ -91,7 +91,7 @@ nouveau_channel_prep(struct nouveau_drm *drm, struct nvif_device *device, struct nouveau_instmem *imem = nvkm_instmem(device); struct nouveau_vmmgr *vmm = nvkm_vmmgr(device); struct nouveau_fb *pfb = nvkm_fb(device); - struct nv_dma_class args = {}; + struct nv_dma_v0 args = {}; struct nouveau_channel *chan; u32 target; int ret; @@ -135,7 +135,8 @@ nouveau_channel_prep(struct nouveau_drm *drm, struct nvif_device *device, return ret; } - args.flags = NV_DMA_TARGET_VM | NV_DMA_ACCESS_VM; + args.target = NV_DMA_V0_TARGET_VM; + args.access = NV_DMA_V0_ACCESS_VM; args.start = 0; args.limit = cli->vm->vmm->limit - 1; } else @@ -146,29 +147,33 @@ nouveau_channel_prep(struct nouveau_drm *drm, struct nvif_device *device, * the framebuffer bar rather than direct vram access.. * nfi why this exists, it came from the -nv ddx. */ - args.flags = NV_DMA_TARGET_PCI | NV_DMA_ACCESS_RDWR; + args.target = NV_DMA_V0_TARGET_PCI; + args.access = NV_DMA_V0_ACCESS_RDWR; args.start = nv_device_resource_start(nvkm_device(device), 1); args.limit = args.start + limit; } else { - args.flags = NV_DMA_TARGET_VRAM | NV_DMA_ACCESS_RDWR; + args.target = NV_DMA_V0_TARGET_VRAM; + args.access = NV_DMA_V0_ACCESS_RDWR; args.start = 0; args.limit = limit; } } else { if (chan->drm->agp.stat == ENABLED) { - args.flags = NV_DMA_TARGET_AGP | NV_DMA_ACCESS_RDWR; + args.target = NV_DMA_V0_TARGET_AGP; + args.access = NV_DMA_V0_ACCESS_RDWR; args.start = chan->drm->agp.base; args.limit = chan->drm->agp.base + chan->drm->agp.size - 1; } else { - args.flags = NV_DMA_TARGET_VM | NV_DMA_ACCESS_RDWR; + args.target = NV_DMA_V0_TARGET_VM; + args.access = NV_DMA_V0_ACCESS_RDWR; args.start = 0; args.limit = vmm->limit - 1; } } ret = nvif_object_init(nvif_object(device), NULL, NVDRM_PUSH | - (handle & 0xffff), NV_DMA_FROM_MEMORY_CLASS, + (handle & 0xffff), NV_DMA_FROM_MEMORY, &args, sizeof(args), &chan->push.ctxdma); if (ret) { nouveau_channel_del(pchan); @@ -259,45 +264,50 @@ nouveau_channel_init(struct nouveau_channel *chan, u32 vram, u32 gart) struct nouveau_vmmgr *vmm = nvkm_vmmgr(device); struct nouveau_fb *pfb = nvkm_fb(device); struct nouveau_software_chan *swch; - struct nv_dma_class args = {}; + struct nv_dma_v0 args = {}; int ret, i; /* allocate dma objects to cover all allowed vram, and gart */ if (device->info.family < NV_DEVICE_INFO_V0_FERMI) { if (device->info.family >= NV_DEVICE_INFO_V0_TESLA) { - args.flags = NV_DMA_TARGET_VM | NV_DMA_ACCESS_VM; + args.target = NV_DMA_V0_TARGET_VM; + args.access = NV_DMA_V0_ACCESS_VM; args.start = 0; args.limit = cli->vm->vmm->limit - 1; } else { - args.flags = NV_DMA_TARGET_VRAM | NV_DMA_ACCESS_RDWR; + args.target = NV_DMA_V0_TARGET_VRAM; + args.access = NV_DMA_V0_ACCESS_RDWR; args.start = 0; args.limit = pfb->ram->size - imem->reserved - 1; } ret = nvif_object_init(chan->object, NULL, vram, - NV_DMA_IN_MEMORY_CLASS, &args, + NV_DMA_IN_MEMORY, &args, sizeof(args), &chan->vram); if (ret) return ret; if (device->info.family >= NV_DEVICE_INFO_V0_TESLA) { - args.flags = NV_DMA_TARGET_VM | NV_DMA_ACCESS_VM; + args.target = NV_DMA_V0_TARGET_VM; + args.access = NV_DMA_V0_ACCESS_VM; args.start = 0; args.limit = cli->vm->vmm->limit - 1; } else if (chan->drm->agp.stat == ENABLED) { - args.flags = NV_DMA_TARGET_AGP | NV_DMA_ACCESS_RDWR; + args.target = NV_DMA_V0_TARGET_AGP; + args.access = NV_DMA_V0_ACCESS_RDWR; args.start = chan->drm->agp.base; args.limit = chan->drm->agp.base + chan->drm->agp.size - 1; } else { - args.flags = NV_DMA_TARGET_VM | NV_DMA_ACCESS_RDWR; + args.target = NV_DMA_V0_TARGET_VM; + args.access = NV_DMA_V0_ACCESS_RDWR; args.start = 0; args.limit = vmm->limit - 1; } ret = nvif_object_init(chan->object, NULL, gart, - NV_DMA_IN_MEMORY_CLASS, &args, + NV_DMA_IN_MEMORY, &args, sizeof(args), &chan->gart); if (ret) return ret; diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c index f9f2e0e..44f168c 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drm.c +++ b/drivers/gpu/drm/nouveau/nouveau_drm.c @@ -257,13 +257,13 @@ nouveau_accel_init(struct nouveau_drm *drm) } ret = nvif_object_init(drm->channel->object, NULL, NvNotify0, - NV_DMA_IN_MEMORY_CLASS, - &(struct nv_dma_class) { - .flags = NV_DMA_TARGET_VRAM | - NV_DMA_ACCESS_RDWR, + NV_DMA_IN_MEMORY, + &(struct nv_dma_v0) { + .target = NV_DMA_V0_TARGET_VRAM, + .access = NV_DMA_V0_ACCESS_RDWR, .start = drm->notify->addr, .limit = drm->notify->addr + 31 - }, sizeof(struct nv_dma_class), + }, sizeof(struct nv_dma_v0), &drm->ntfy); if (ret) { nouveau_accel_fini(drm); diff --git a/drivers/gpu/drm/nouveau/nv17_fence.c b/drivers/gpu/drm/nouveau/nv17_fence.c index 5da039e..ca90747 100644 --- a/drivers/gpu/drm/nouveau/nv17_fence.c +++ b/drivers/gpu/drm/nouveau/nv17_fence.c @@ -89,14 +89,13 @@ nv17_fence_context_new(struct nouveau_channel *chan) fctx->base.read = nv10_fence_read; fctx->base.sync = nv17_fence_sync; - ret = nvif_object_init(chan->object, NULL, NvSema, - NV_DMA_FROM_MEMORY_CLASS, - &(struct nv_dma_class) { - .flags = NV_DMA_TARGET_VRAM | - NV_DMA_ACCESS_RDWR, + ret = nvif_object_init(chan->object, NULL, NvSema, NV_DMA_FROM_MEMORY, + &(struct nv_dma_v0) { + .target = NV_DMA_V0_TARGET_VRAM, + .access = NV_DMA_V0_ACCESS_RDWR, .start = start, .limit = limit, - }, sizeof(struct nv_dma_class), + }, sizeof(struct nv_dma_v0), &fctx->sema); if (ret) nv10_fence_context_del(chan); diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c index 4afef92..5e033b6 100644 --- a/drivers/gpu/drm/nouveau/nv50_display.c +++ b/drivers/gpu/drm/nouveau/nv50_display.c @@ -160,13 +160,13 @@ nv50_dmac_create(struct nvif_object *disp, u32 bclass, u8 head, return -ENOMEM; ret = nvif_object_init(nvif_object(nvif_device(disp)), NULL, handle, - NV_DMA_FROM_MEMORY_CLASS, - &(struct nv_dma_class) { - .flags = NV_DMA_TARGET_PCI_US | - NV_DMA_ACCESS_RD, + NV_DMA_FROM_MEMORY, + &(struct nv_dma_v0) { + .target = NV_DMA_V0_TARGET_PCI_US, + .access = NV_DMA_V0_ACCESS_RD, .start = dmac->handle + 0x0000, .limit = dmac->handle + 0x0fff, - }, sizeof(struct nv_dma_class), &pushbuf); + }, sizeof(struct nv_dma_v0), &pushbuf); if (ret) return ret; @@ -176,25 +176,25 @@ nv50_dmac_create(struct nvif_object *disp, u32 bclass, u8 head, return ret; ret = nvif_object_init(&dmac->base.user, NULL, 0xf0000000, - NV_DMA_IN_MEMORY_CLASS, - &(struct nv_dma_class) { - .flags = NV_DMA_TARGET_VRAM | - NV_DMA_ACCESS_RDWR, + NV_DMA_IN_MEMORY, + &(struct nv_dma_v0) { + .target = NV_DMA_V0_TARGET_VRAM, + .access = NV_DMA_V0_ACCESS_RDWR, .start = syncbuf + 0x0000, .limit = syncbuf + 0x0fff, - }, sizeof(struct nv_dma_class), + }, sizeof(struct nv_dma_v0), &dmac->sync); if (ret) return ret; ret = nvif_object_init(&dmac->base.user, NULL, 0xf0000001, - NV_DMA_IN_MEMORY_CLASS, - &(struct nv_dma_class) { - .flags = NV_DMA_TARGET_VRAM | - NV_DMA_ACCESS_RDWR, + NV_DMA_IN_MEMORY, + &(struct nv_dma_v0) { + .target = NV_DMA_V0_TARGET_VRAM, + .access = NV_DMA_V0_ACCESS_RDWR, .start = 0, .limit = pfb->ram->size - 1, - }, sizeof(struct nv_dma_class), + }, sizeof(struct nv_dma_v0), &dmac->vram); if (ret) return ret; @@ -2073,9 +2073,17 @@ nv50_fbdma_init(struct drm_device *dev, u32 name, u64 offset, u64 length, u8 kin struct nouveau_drm *drm = nouveau_drm(dev); struct nv50_disp *disp = nv50_disp(dev); struct nv50_mast *mast = nv50_mast(dev); - struct nv_dma_class args; + struct __attribute__ ((packed)) { + struct nv_dma_v0 base; + union { + struct nv50_dma_v0 nv50; + struct gf100_dma_v0 gf100; + struct gf110_dma_v0 gf110; + }; + } args = {}; struct nv50_fbdma *fbdma; struct drm_crtc *crtc; + u32 size = sizeof(args.base); int ret; list_for_each_entry(fbdma, &disp->fbdma, head) { @@ -2088,31 +2096,33 @@ nv50_fbdma_init(struct drm_device *dev, u32 name, u64 offset, u64 length, u8 kin return -ENOMEM; list_add(&fbdma->head, &disp->fbdma); - args.flags = NV_DMA_TARGET_VRAM | NV_DMA_ACCESS_RDWR; - args.start = offset; - args.limit = offset + length - 1; - args.conf0 = kind; + args.base.target = NV_DMA_V0_TARGET_VRAM; + args.base.access = NV_DMA_V0_ACCESS_RDWR; + args.base.start = offset; + args.base.limit = offset + length - 1; if (drm->device.info.chipset < 0x80) { - args.conf0 = NV50_DMA_CONF0_ENABLE; - args.conf0 |= NV50_DMA_CONF0_PART_256; + args.nv50.part = NV50_DMA_V0_PART_256; + size += sizeof(args.nv50); } else if (drm->device.info.chipset < 0xc0) { - args.conf0 |= NV50_DMA_CONF0_ENABLE; - args.conf0 |= NV50_DMA_CONF0_PART_256; + args.nv50.part = NV50_DMA_V0_PART_256; + args.nv50.kind = kind; + size += sizeof(args.nv50); } else if (drm->device.info.chipset < 0xd0) { - args.conf0 |= NVC0_DMA_CONF0_ENABLE; + args.gf100.kind = kind; + size += sizeof(args.gf100); } else { - args.conf0 |= NVD0_DMA_CONF0_ENABLE; - args.conf0 |= NVD0_DMA_CONF0_PAGE_LP; + args.gf110.page = GF110_DMA_V0_PAGE_LP; + args.gf110.kind = kind; + size += sizeof(args.gf110); } list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { struct nv50_head *head = nv50_head(crtc); int ret = nvif_object_init(&head->sync.base.base.user, NULL, - name, NV_DMA_IN_MEMORY_CLASS, - &args, sizeof(args), + name, NV_DMA_IN_MEMORY, &args, size, &fbdma->base[head->base.index]); if (ret) { nv50_fbdma_fini(fbdma); @@ -2121,7 +2131,7 @@ nv50_fbdma_init(struct drm_device *dev, u32 name, u64 offset, u64 length, u8 kin } ret = nvif_object_init(&mast->base.base.user, NULL, name, - NV_DMA_IN_MEMORY_CLASS, &args, sizeof(args), + NV_DMA_IN_MEMORY, &args, size, &fbdma->core); if (ret) { nv50_fbdma_fini(fbdma); diff --git a/drivers/gpu/drm/nouveau/nv50_fence.c b/drivers/gpu/drm/nouveau/nv50_fence.c index 7bb22a9..195cf51 100644 --- a/drivers/gpu/drm/nouveau/nv50_fence.c +++ b/drivers/gpu/drm/nouveau/nv50_fence.c @@ -51,14 +51,13 @@ nv50_fence_context_new(struct nouveau_channel *chan) fctx->base.read = nv10_fence_read; fctx->base.sync = nv17_fence_sync; - ret = nvif_object_init(chan->object, NULL, NvSema, - NV_DMA_IN_MEMORY_CLASS, - &(struct nv_dma_class) { - .flags = NV_DMA_TARGET_VRAM | - NV_DMA_ACCESS_RDWR, + ret = nvif_object_init(chan->object, NULL, NvSema, NV_DMA_IN_MEMORY, + &(struct nv_dma_v0) { + .target = NV_DMA_V0_TARGET_VRAM, + .access = NV_DMA_V0_ACCESS_RDWR, .start = start, .limit = limit, - }, sizeof(struct nv_dma_class), + }, sizeof(struct nv_dma_v0), &fctx->sema); /* dma objects for display sync channel semaphore blocks */ @@ -68,13 +67,12 @@ nv50_fence_context_new(struct nouveau_channel *chan) u32 limit = start + bo->bo.mem.size - 1; ret = nvif_object_init(chan->object, NULL, NvEvoSema0 + i, - NV_DMA_IN_MEMORY_CLASS, - &(struct nv_dma_class) { - .flags = NV_DMA_TARGET_VRAM | - NV_DMA_ACCESS_RDWR, + NV_DMA_IN_MEMORY, &(struct nv_dma_v0) { + .target = NV_DMA_V0_TARGET_VRAM, + .access = NV_DMA_V0_ACCESS_RDWR, .start = start, .limit = limit, - }, sizeof(struct nv_dma_class), + }, sizeof(struct nv_dma_v0), &fctx->head[i]); } diff --git a/drivers/gpu/drm/nouveau/nvif/class.h b/drivers/gpu/drm/nouveau/nvif/class.h index 0aa6272..5279d0d 100644 --- a/drivers/gpu/drm/nouveau/nvif/class.h +++ b/drivers/gpu/drm/nouveau/nvif/class.h @@ -8,6 +8,10 @@ /* the below match nvidia-assigned (either in hw, or sw) class numbers */ #define NV_DEVICE 0x00000080 +#define NV_DMA_FROM_MEMORY 0x00000002 +#define NV_DMA_TO_MEMORY 0x00000003 +#define NV_DMA_IN_MEMORY 0x0000003d + /******************************************************************************* * client @@ -79,4 +83,72 @@ struct nv_device_info_v0 { __u64 ram_user; }; + +/******************************************************************************* + * context dma + ******************************************************************************/ + +struct nv_dma_v0 { + __u8 version; +#define NV_DMA_V0_TARGET_VM 0x00 +#define NV_DMA_V0_TARGET_VRAM 0x01 +#define NV_DMA_V0_TARGET_PCI 0x02 +#define NV_DMA_V0_TARGET_PCI_US 0x03 +#define NV_DMA_V0_TARGET_AGP 0x04 + __u8 target; +#define NV_DMA_V0_ACCESS_VM 0x00 +#define NV_DMA_V0_ACCESS_RD 0x01 +#define NV_DMA_V0_ACCESS_WR 0x02 +#define NV_DMA_V0_ACCESS_RDWR (NV_DMA_V0_ACCESS_RD | NV_DMA_V0_ACCESS_WR) + __u8 access; + __u8 pad03[5]; + __u64 start; + __u64 limit; + /* ... chipset-specific class data */ +}; + +struct nv50_dma_v0 { + __u8 version; +#define NV50_DMA_V0_PRIV_VM 0x00 +#define NV50_DMA_V0_PRIV_US 0x01 +#define NV50_DMA_V0_PRIV__S 0x02 + __u8 priv; +#define NV50_DMA_V0_PART_VM 0x00 +#define NV50_DMA_V0_PART_256 0x01 +#define NV50_DMA_V0_PART_1KB 0x02 + __u8 part; +#define NV50_DMA_V0_COMP_NONE 0x00 +#define NV50_DMA_V0_COMP_1 0x01 +#define NV50_DMA_V0_COMP_2 0x02 +#define NV50_DMA_V0_COMP_VM 0x03 + __u8 comp; +#define NV50_DMA_V0_KIND_PITCH 0x00 +#define NV50_DMA_V0_KIND_VM 0x7f + __u8 kind; + __u8 pad05[3]; +}; + +struct gf100_dma_v0 { + __u8 version; +#define GF100_DMA_V0_PRIV_VM 0x00 +#define GF100_DMA_V0_PRIV_US 0x01 +#define GF100_DMA_V0_PRIV__S 0x02 + __u8 priv; +#define GF100_DMA_V0_KIND_PITCH 0x00 +#define GF100_DMA_V0_KIND_VM 0xff + __u8 kind; + __u8 pad03[5]; +}; + +struct gf110_dma_v0 { + __u8 version; +#define GF110_DMA_V0_PAGE_LP 0x00 +#define GF110_DMA_V0_PAGE_SP 0x01 + __u8 page; +#define GF110_DMA_V0_KIND_PITCH 0x00 +#define GF110_DMA_V0_KIND_VM 0xff + __u8 kind; + __u8 pad03[5]; +}; + #endif -- cgit v0.10.2