1 files changed, 48 insertions, 180 deletions

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/gf100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/gf100.c
index 7ac507c927bb..2d075246dc46 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/gf100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/gf100.c
@@ -21,197 +21,65 @@
  *
  * Authors: Ben Skeggs
  */
-#include "priv.h"
+#include "mem.h"
+#include "vmm.h"
 
-#include <subdev/fb.h>
-#include <subdev/ltc.h>
-#include <subdev/timer.h>
-
-#include <core/gpuobj.h>
+#include <nvif/class.h>
 
 /* Map from compressed to corresponding uncompressed storage type.
  * The value 0xff represents an invalid storage type.
  */
-const u8 gf100_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
-gf100_vm_map_pgt(struct nvkm_gpuobj *pgd, u32 index, struct nvkm_memory *pgt[2])
-{
-	u32 pde[2] = { 0, 0 };
-
-	if (pgt[0])
-		pde[1] = 0x00000001 | (nvkm_memory_addr(pgt[0]) >> 8);
-	if (pgt[1])
-		pde[0] = 0x00000001 | (nvkm_memory_addr(pgt[1]) >> 8);
-
-	nvkm_kmap(pgd);
-	nvkm_wo32(pgd, (index * 8) + 0, pde[0]);
-	nvkm_wo32(pgd, (index * 8) + 4, pde[1]);
-	nvkm_done(pgd);
-}
-
-static inline u64
-gf100_vm_addr(struct nvkm_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
-gf100_vm_map(struct nvkm_vma *vma, struct nvkm_memory *pgt,
-	     struct nvkm_mem *mem, u32 pte, u32 cnt, u64 phys, u64 delta)
-{
-	u64 next = 1 << (vma->node->type - 8);
-
-	phys  = gf100_vm_addr(vma, phys, mem->memtype, 0);
-	pte <<= 3;
-
-	if (mem->tag) {
-		struct nvkm_ltc *ltc = vma->vm->mmu->subdev.device->ltc;
-		u32 tag = mem->tag->offset + (delta >> 17);
-		phys |= (u64)tag << (32 + 12);
-		next |= (u64)1   << (32 + 12);
-		nvkm_ltc_tags_clear(ltc, tag, cnt);
-	}
-
-	nvkm_kmap(pgt);
-	while (cnt--) {
-		nvkm_wo32(pgt, pte + 0, lower_32_bits(phys));
-		nvkm_wo32(pgt, pte + 4, upper_32_bits(phys));
-		phys += next;
-		pte  += 8;
-	}
-	nvkm_done(pgt);
-}
-
-static void
-gf100_vm_map_sg(struct nvkm_vma *vma, struct nvkm_memory *pgt,
-		struct nvkm_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 = gf100_pte_storage_type_map[mem->memtype & 0xff];
-
-	nvkm_kmap(pgt);
-	pte <<= 3;
-	while (cnt--) {
-		u64 phys = gf100_vm_addr(vma, *list++, memtype, target);
-		nvkm_wo32(pgt, pte + 0, lower_32_bits(phys));
-		nvkm_wo32(pgt, pte + 4, upper_32_bits(phys));
-		pte += 8;
-	}
-	nvkm_done(pgt);
-}
-
-static void
-gf100_vm_unmap(struct nvkm_vma *vma, struct nvkm_memory *pgt, u32 pte, u32 cnt)
-{
-	nvkm_kmap(pgt);
-	pte <<= 3;
-	while (cnt--) {
-		nvkm_wo32(pgt, pte + 0, 0x00000000);
-		nvkm_wo32(pgt, pte + 4, 0x00000000);
-		pte += 8;
-	}
-	nvkm_done(pgt);
-}
-
-static void
-gf100_vm_flush(struct nvkm_vm *vm)
-{
-	struct nvkm_mmu *mmu = vm->mmu;
-	struct nvkm_device *device = mmu->subdev.device;
-	struct nvkm_vm_pgd *vpgd;
-	u32 type;
-
-	type = 0x00000001; /* PAGE_ALL */
-	if (atomic_read(&vm->engref[NVKM_SUBDEV_BAR]))
-		type |= 0x00000004; /* HUB_ONLY */
-
-	mutex_lock(&mmu->subdev.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
-		 */
-		nvkm_msec(device, 2000,
-			if (nvkm_rd32(device, 0x100c80) & 0x00ff0000)
-				break;
-		);
-
-		nvkm_wr32(device, 0x100cb8, vpgd->obj->addr >> 8);
-		nvkm_wr32(device, 0x100cbc, 0x80000000 | type);
-
-		/* wait for flush to be queued? */
-		nvkm_msec(device, 2000,
-			if (nvkm_rd32(device, 0x100c80) & 0x00008000)
-				break;
-		);
-	}
-	mutex_unlock(&mmu->subdev.mutex);
-}
-
-static int
-gf100_vm_create(struct nvkm_mmu *mmu, u64 offset, u64 length, u64 mm_offset,
-		struct lock_class_key *key, struct nvkm_vm **pvm)
+const u8 *
+gf100_mmu_kind(struct nvkm_mmu *mmu, int *count)
 {
-	return nvkm_vm_create(mmu, offset, length, mm_offset, 4096, key, pvm);
+	static const u8
+	kind[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
+	};
+
+	*count = ARRAY_SIZE(kind);
+	return kind;
 }
 
 static const struct nvkm_mmu_func
 gf100_mmu = {
-	.limit = (1ULL << 40),
 	.dma_bits = 40,
-	.pgt_bits  = 27 - 12,
-	.spg_shift = 12,
-	.lpg_shift = 17,
-	.create = gf100_vm_create,
-	.map_pgt = gf100_vm_map_pgt,
-	.map = gf100_vm_map,
-	.map_sg = gf100_vm_map_sg,
-	.unmap = gf100_vm_unmap,
-	.flush = gf100_vm_flush,
+	.mmu = {{ -1, -1, NVIF_CLASS_MMU_GF100}},
+	.mem = {{ -1,  0, NVIF_CLASS_MEM_GF100}, gf100_mem_new, gf100_mem_map },
+	.vmm = {{ -1, -1, NVIF_CLASS_VMM_GF100}, gf100_vmm_new },
+	.kind = gf100_mmu_kind,
+	.kind_sys = true,
 };
 
 int