2 * Copyright 2017 Red Hat Inc.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
25 #include <nvif/if000c.h>
28 nvif_vmm_unmap(struct nvif_vmm *vmm, u64 addr)
30 return nvif_object_mthd(&vmm->object, NVIF_VMM_V0_UNMAP,
31 &(struct nvif_vmm_unmap_v0) { .addr = addr },
32 sizeof(struct nvif_vmm_unmap_v0));
36 nvif_vmm_map(struct nvif_vmm *vmm, u64 addr, u64 size, void *argv, u32 argc,
37 struct nvif_mem *mem, u64 offset)
39 struct nvif_vmm_map_v0 *args;
43 if (sizeof(*args) + argc > sizeof(stack)) {
44 if (!(args = kmalloc(sizeof(*args) + argc, GFP_KERNEL)))
53 args->memory = nvif_handle(&mem->object);
54 args->offset = offset;
55 memcpy(args->data, argv, argc);
57 ret = nvif_object_mthd(&vmm->object, NVIF_VMM_V0_MAP,
58 args, sizeof(*args) + argc);
59 if (args != (void *)stack)
65 nvif_vmm_put(struct nvif_vmm *vmm, struct nvif_vma *vma)
68 WARN_ON(nvif_object_mthd(&vmm->object, NVIF_VMM_V0_PUT,
69 &(struct nvif_vmm_put_v0) {
71 }, sizeof(struct nvif_vmm_put_v0)));
77 nvif_vmm_get(struct nvif_vmm *vmm, enum nvif_vmm_get type, bool sparse,
78 u8 page, u8 align, u64 size, struct nvif_vma *vma)
80 struct nvif_vmm_get_v0 args;
83 args.version = vma->size = 0;
90 case ADDR: args.type = NVIF_VMM_GET_V0_ADDR; break;
91 case PTES: args.type = NVIF_VMM_GET_V0_PTES; break;
92 case LAZY: args.type = NVIF_VMM_GET_V0_LAZY; break;
98 ret = nvif_object_mthd(&vmm->object, NVIF_VMM_V0_GET,
101 vma->addr = args.addr;
102 vma->size = args.size;
108 nvif_vmm_fini(struct nvif_vmm *vmm)
111 nvif_object_fini(&vmm->object);
115 nvif_vmm_init(struct nvif_mmu *mmu, s32 oclass, bool managed, u64 addr,
116 u64 size, void *argv, u32 argc, struct nvif_vmm *vmm)
118 struct nvif_vmm_v0 *args;
119 u32 argn = sizeof(*args) + argc;
120 int ret = -ENOSYS, i;
122 vmm->object.client = NULL;
125 if (!(args = kmalloc(argn, GFP_KERNEL)))
128 args->managed = managed;
131 memcpy(args->data, argv, argc);
133 ret = nvif_object_init(&mmu->object, 0, oclass, args, argn,
138 vmm->start = args->addr;
139 vmm->limit = args->size;
141 vmm->page_nr = args->page_nr;
142 vmm->page = kmalloc_array(vmm->page_nr, sizeof(*vmm->page),
149 for (i = 0; i < vmm->page_nr; i++) {
150 struct nvif_vmm_page_v0 args = { .index = i };
152 ret = nvif_object_mthd(&vmm->object, NVIF_VMM_V0_PAGE,
153 &args, sizeof(args));
157 vmm->page[i].shift = args.shift;
158 vmm->page[i].sparse = args.sparse;
159 vmm->page[i].vram = args.vram;
160 vmm->page[i].host = args.host;
161 vmm->page[i].comp = args.comp;