1 files changed, 102 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgk104.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgk104.c
new file mode 100644
index 000000000000..0ebb7bccfcd2
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgk104.c
@@ -0,0 +1,102 @@
+/*
+ * Copyright 2017 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.
+ */
+#include "vmm.h"
+
+void
+gk104_vmm_lpt_invalid(struct nvkm_vmm *vmm,
+		      struct nvkm_mmu_pt *pt, u32 ptei, u32 ptes)
+{
+	/* VALID_FALSE + PRIV tells the MMU to ignore corresponding SPTEs. */
+	VMM_FO064(pt, vmm, ptei * 8, BIT_ULL(1) /* PRIV. */, ptes);
+}
+
+static const struct nvkm_vmm_desc_func
+gk104_vmm_lpt = {
+	.invalid = gk104_vmm_lpt_invalid,
+	.unmap = gf100_vmm_pgt_unmap,
+	.mem = gf100_vmm_pgt_mem,
+};
+
+const struct nvkm_vmm_desc
+gk104_vmm_desc_17_12[] = {
+	{ SPT, 15, 8, 0x1000, &gf100_vmm_pgt },
+	{ PGD, 13, 8, 0x1000, &gf100_vmm_pgd },
+	{}
+};
+
+const struct nvkm_vmm_desc
+gk104_vmm_desc_17_17[] = {
+	{ LPT, 10, 8, 0x1000, &gk104_vmm_lpt },
+	{ PGD, 13, 8, 0x1000, &gf100_vmm_pgd },
+	{}
+};
+
+const struct nvkm_vmm_desc
+gk104_vmm_desc_16_12[] = {
+	{ SPT, 14, 8, 0x1000, &gf100_vmm_pgt },
+	{ PGD, 14, 8, 0x1000, &gf100_vmm_pgd },
+	{}
+};
+
+const struct nvkm_vmm_desc
+gk104_vmm_desc_16_16[] = {
+	{ LPT, 10, 8, 0x1000, &gk104_vmm_lpt },
+	{ PGD, 14, 8, 0x1000, &gf100_vmm_pgd },
+	{}
+};
+
+static const struct nvkm_vmm_func
+gk104_vmm_17 = {
+	.join = gf100_vmm_join,
+	.part = gf100_vmm_part,
+	.aper = gf100_vmm_aper,
+	.valid = gf100_vmm_valid,
+	.flush = gf100_vmm_flush,
+	.page = {
+		{ 17, &gk104_vmm_desc_17_17[0], NVKM_VMM_PAGE_xVxC },
+		{ 12, &gk104_vmm_desc_17_12[0], NVKM_VMM_PAGE_xVHx },
+		{}
+	}
+};
+
+static const struct nvkm_vmm_func
+gk104_vmm_16 = {
+	.join = gf100_vmm_join,
+	.part = gf100_vmm_part,
+	.aper = gf100_vmm_aper,
+	.valid = gf100_vmm_valid,
+	.flush = gf100_vmm_flush,
+	.page = {
+		{ 16, &gk104_vmm_desc_16_16[0], NVKM_VMM_PAGE_xVxC },
+		{ 12, &gk104_vmm_desc_16_12[0], NVKM_VMM_PAGE_xVHx },
+		{}
+	}
+};
+
+int
+gk104_vmm_new(struct nvkm_mmu *mmu, u64 addr, u64 size, void *argv, u32 argc,
+	      struct lock_class_key *key, const char *name,
+	      struct nvkm_vmm **pvmm)
+{
+	return gf100_vmm_new_(&gk104_vmm_16, &gk104_vmm_17, mmu, addr,
+			      size, argv, argc, key, name, pvmm);
+}