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path: root/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgk104.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgk104.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgk104.c102
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);
+}