const struct nvkm_vmm_page page[];
};
+struct nvkm_vmm_join {
+ struct nvkm_memory *inst;
+ struct list_head head;
+};
+
int nvkm_vmm_new_(const struct nvkm_vmm_func *, struct nvkm_mmu *,
u32 pd_header, u64 addr, u64 size, struct lock_class_key *,
const char *name, struct nvkm_vmm **);
struct lock_class_key *, const char *, struct nvkm_vmm **);
int nv44_vmm_new(struct nvkm_mmu *, u64, u64, void *, u32,
struct lock_class_key *, const char *, struct nvkm_vmm **);
+int nv50_vmm_new(struct nvkm_mmu *, u64, u64, void *, u32,
+ struct lock_class_key *, const char *, struct nvkm_vmm **);
+int g84_vmm_new(struct nvkm_mmu *, u64, u64, void *, u32,
+ struct lock_class_key *, const char *, struct nvkm_vmm **);
#endif
--- /dev/null
+/*
+ * 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"
+
+#include <nvif/if500d.h>
+#include <nvif/unpack.h>
+
+static const struct nvkm_vmm_desc_func
+nv50_vmm_pgt = {
+};
+
+static const struct nvkm_vmm_desc_func
+nv50_vmm_pgd = {
+};
+
+static const struct nvkm_vmm_desc
+nv50_vmm_desc_12[] = {
+ { PGT, 17, 8, 0x1000, &nv50_vmm_pgt },
+ { PGD, 11, 0, 0x0000, &nv50_vmm_pgd },
+ {}
+};
+
+static const struct nvkm_vmm_desc
+nv50_vmm_desc_16[] = {
+ { PGT, 13, 8, 0x1000, &nv50_vmm_pgt },
+ { PGD, 11, 0, 0x0000, &nv50_vmm_pgd },
+ {}
+};
+
+static void
+nv50_vmm_part(struct nvkm_vmm *vmm, struct nvkm_memory *inst)
+{
+ struct nvkm_vmm_join *join;
+
+ list_for_each_entry(join, &vmm->join, head) {
+ if (join->inst == inst) {
+ list_del(&join->head);
+ kfree(join);
+ break;
+ }
+ }
+}
+
+static int
+nv50_vmm_join(struct nvkm_vmm *vmm, struct nvkm_memory *inst)
+{
+ struct nvkm_vmm_join *join;
+
+ if (!(join = kmalloc(sizeof(*join), GFP_KERNEL)))
+ return -ENOMEM;
+ join->inst = inst;
+ list_add_tail(&join->head, &vmm->join);
+ return 0;
+}
+
+static const struct nvkm_vmm_func
+nv50_vmm = {
+ .join = nv50_vmm_join,
+ .part = nv50_vmm_part,
+ .page_block = 1 << 29,
+ .page = {
+ { 16, &nv50_vmm_desc_16[0], NVKM_VMM_PAGE_xVxC },
+ { 12, &nv50_vmm_desc_12[0], NVKM_VMM_PAGE_xVHx },
+ {}
+ }
+};
+
+int
+nv50_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 nv04_vmm_new_(&nv50_vmm, mmu, 0, addr, size,
+ argv, argc, key, name, pvmm);
+}
git.samba.org / sfrench / cifs-2.6.git / commitdiff