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Diffstat (limited to 'nvkm/subdev/vm/nvc0.c')
-rw-r--r--nvkm/subdev/vm/nvc0.c241
1 files changed, 0 insertions, 241 deletions
diff --git a/nvkm/subdev/vm/nvc0.c b/nvkm/subdev/vm/nvc0.c
deleted file mode 100644
index c0a338920..000000000
--- a/nvkm/subdev/vm/nvc0.c
+++ /dev/null
@@ -1,241 +0,0 @@
-/*
- * Copyright 2010 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.
- *
- * Authors: Ben Skeggs
- */
-
-#include <core/device.h>
-#include <core/gpuobj.h>
-
-#include <subdev/timer.h>
-#include <subdev/fb.h>
-#include <subdev/vm.h>
-#include <subdev/ltc.h>
-#include <subdev/bar.h>
-
-struct nvc0_vmmgr_priv {
- struct nouveau_vmmgr base;
-};
-
-
-/* Map from compressed to corresponding uncompressed storage type.
- * The value 0xff represents an invalid storage type.
- */
-const u8 nvc0_pte_storage_type_map[256] =
-{
- 0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0xff, 0x01, /* 0x00 */
- 0x01, 0x01, 0x01, 0xff, 0xff, 0xff, 0xff, 0xff,
- 0xff, 0x11, 0xff, 0xff, 0xff, 0xff, 0xff, 0x11, /* 0x10 */
- 0x11, 0x11, 0x11, 0xff, 0xff, 0xff, 0xff, 0xff,
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x26, 0x27, /* 0x20 */
- 0x28, 0x29, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 0x30 */
- 0xff, 0xff, 0x26, 0x27, 0x28, 0x29, 0x26, 0x27,
- 0x28, 0x29, 0xff, 0xff, 0xff, 0xff, 0x46, 0xff, /* 0x40 */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
- 0xff, 0x46, 0x46, 0x46, 0x46, 0xff, 0xff, 0xff, /* 0x50 */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 0x60 */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 0x70 */
- 0xff, 0xff, 0xff, 0x7b, 0xff, 0xff, 0xff, 0xff,
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7b, 0x7b, /* 0x80 */
- 0x7b, 0x7b, 0xff, 0x8b, 0x8c, 0x8d, 0x8e, 0xff,
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 0x90 */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
- 0xff, 0xff, 0xff, 0x8b, 0x8c, 0x8d, 0x8e, 0xa7, /* 0xa0 */
- 0xa8, 0xa9, 0xaa, 0xff, 0xff, 0xff, 0xff, 0xff,
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 0xb0 */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xa7,
- 0xa8, 0xa9, 0xaa, 0xc3, 0xff, 0xff, 0xff, 0xff, /* 0xc0 */
- 0xff, 0xff, 0xff, 0xff, 0xfe, 0xfe, 0xc3, 0xc3,
- 0xc3, 0xc3, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 0xd0 */
- 0xfe, 0xff, 0xff, 0xfe, 0xff, 0xfe, 0xff, 0xfe,
- 0xfe, 0xff, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xff, /* 0xe0 */
- 0xff, 0xfe, 0xff, 0xfe, 0xff, 0xfe, 0xfe, 0xff,
- 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, /* 0xf0 */
- 0xfe, 0xfe, 0xfe, 0xfe, 0xff, 0xfd, 0xfe, 0xff
-};
-
-
-static void
-nvc0_vm_map_pgt(struct nouveau_gpuobj *pgd, u32 index,
- struct nouveau_gpuobj *pgt[2])
-{
- u32 pde[2] = { 0, 0 };
-
- if (pgt[0])
- pde[1] = 0x00000001 | (pgt[0]->addr >> 8);
- if (pgt[1])
- pde[0] = 0x00000001 | (pgt[1]->addr >> 8);
-
- nv_wo32(pgd, (index * 8) + 0, pde[0]);
- nv_wo32(pgd, (index * 8) + 4, pde[1]);
-}
-
-static inline u64
-nvc0_vm_addr(struct nouveau_vma *vma, u64 phys, u32 memtype, u32 target)
-{
- phys >>= 8;
-
- phys |= 0x00000001; /* present */
- if (vma->access & NV_MEM_ACCESS_SYS)
- phys |= 0x00000002;
-
- phys |= ((u64)target << 32);
- phys |= ((u64)memtype << 36);
-
- return phys;
-}
-
-static void
-nvc0_vm_map(struct nouveau_vma *vma, struct nouveau_gpuobj *pgt,
- struct nouveau_mem *mem, u32 pte, u32 cnt, u64 phys, u64 delta)
-{
- u64 next = 1 << (vma->node->type - 8);
-
- phys = nvc0_vm_addr(vma, phys, mem->memtype, 0);
- pte <<= 3;
-
- if (mem->tag) {
- struct nouveau_ltc *ltc = nouveau_ltc(vma->vm->vmm);
- u32 tag = mem->tag->offset + (delta >> 17);
- phys |= (u64)tag << (32 + 12);
- next |= (u64)1 << (32 + 12);
- ltc->tags_clear(ltc, tag, cnt);
- }
-
- while (cnt--) {
- nv_wo32(pgt, pte + 0, lower_32_bits(phys));
- nv_wo32(pgt, pte + 4, upper_32_bits(phys));
- phys += next;
- pte += 8;
- }
-}
-
-static void
-nvc0_vm_map_sg(struct nouveau_vma *vma, struct nouveau_gpuobj *pgt,
- struct nouveau_mem *mem, u32 pte, u32 cnt, dma_addr_t *list)
-{
- u32 target = (vma->access & NV_MEM_ACCESS_NOSNOOP) ? 7 : 5;
- /* compressed storage types are invalid for system memory */
- u32 memtype = nvc0_pte_storage_type_map[mem->memtype & 0xff];
-
- pte <<= 3;
- while (cnt--) {
- u64 phys = nvc0_vm_addr(vma, *list++, memtype, target);
- nv_wo32(pgt, pte + 0, lower_32_bits(phys));
- nv_wo32(pgt, pte + 4, upper_32_bits(phys));
- pte += 8;
- }
-}
-
-static void
-nvc0_vm_unmap(struct nouveau_gpuobj *pgt, u32 pte, u32 cnt)
-{
- pte <<= 3;
- while (cnt--) {
- nv_wo32(pgt, pte + 0, 0x00000000);
- nv_wo32(pgt, pte + 4, 0x00000000);
- pte += 8;
- }
-}
-
-static void
-nvc0_vm_flush(struct nouveau_vm *vm)
-{
- struct nvc0_vmmgr_priv *priv = (void *)vm->vmm;
- struct nouveau_bar *bar = nouveau_bar(priv);
- struct nouveau_vm_pgd *vpgd;
- u32 type;
-
- bar->flush(bar);
-
- type = 0x00000001; /* PAGE_ALL */
- if (atomic_read(&vm->engref[NVDEV_SUBDEV_BAR]))
- type |= 0x00000004; /* HUB_ONLY */
-
- mutex_lock(&nv_subdev(priv)->mutex);
- list_for_each_entry(vpgd, &vm->pgd_list, head) {
- /* looks like maybe a "free flush slots" counter, the
- * faster you write to 0x100cbc to more it decreases
- */
- if (!nv_wait_ne(priv, 0x100c80, 0x00ff0000, 0x00000000)) {
- nv_error(priv, "vm timeout 0: 0x%08x %d\n",
- nv_rd32(priv, 0x100c80), type);
- }
-
- nv_wr32(priv, 0x100cb8, vpgd->obj->addr >> 8);
- nv_wr32(priv, 0x100cbc, 0x80000000 | type);
-
- /* wait for flush to be queued? */
- if (!nv_wait(priv, 0x100c80, 0x00008000, 0x00008000)) {
- nv_error(priv, "vm timeout 1: 0x%08x %d\n",
- nv_rd32(priv, 0x100c80), type);
- }
- }
- mutex_unlock(&nv_subdev(priv)->mutex);
-}
-
-static int
-nvc0_vm_create(struct nouveau_vmmgr *vmm, u64 offset, u64 length,
- u64 mm_offset, struct nouveau_vm **pvm)
-{
- return nouveau_vm_create(vmm, offset, length, mm_offset, 4096, pvm);
-}
-
-static int
-nvc0_vmmgr_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
- struct nouveau_oclass *oclass, void *data, u32 size,
- struct nouveau_object **pobject)
-{
- struct nvc0_vmmgr_priv *priv;
- int ret;
-
- ret = nouveau_vmmgr_create(parent, engine, oclass, "VM", "vm", &priv);
- *pobject = nv_object(priv);
- if (ret)
- return ret;
-
- priv->base.limit = 1ULL << 40;
- priv->base.dma_bits = 40;
- priv->base.pgt_bits = 27 - 12;
- priv->base.spg_shift = 12;
- priv->base.lpg_shift = 17;
- priv->base.create = nvc0_vm_create;
- priv->base.map_pgt = nvc0_vm_map_pgt;
- priv->base.map = nvc0_vm_map;
- priv->base.map_sg = nvc0_vm_map_sg;
- priv->base.unmap = nvc0_vm_unmap;
- priv->base.flush = nvc0_vm_flush;
- return 0;
-}
-
-struct nouveau_oclass
-nvc0_vmmgr_oclass = {
- .handle = NV_SUBDEV(VM, 0xc0),
- .ofuncs = &(struct nouveau_ofuncs) {
- .ctor = nvc0_vmmgr_ctor,
- .dtor = _nouveau_vmmgr_dtor,
- .init = _nouveau_vmmgr_init,
- .fini = _nouveau_vmmgr_fini,
- },
-};