vmm.c (9ac596a4e875e28bb1fa4b2e00549fadfaf4784e) vmm.c (45faf3d7b64ff0abfce735d4b2cd2f2edd357485)
1/*
2 * Copyright 2017 Red Hat Inc.
3 *
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

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100 if (ret == 0) {
101 vma->addr = args.addr;
102 vma->size = args.size;
103 }
104 return ret;
105}
106
107void
1/*
2 * Copyright 2017 Red Hat Inc.
3 *
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

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100 if (ret == 0) {
101 vma->addr = args.addr;
102 vma->size = args.size;
103 }
104 return ret;
105}
106
107void
108nvif_vmm_fini(struct nvif_vmm *vmm)
108nvif_vmm_dtor(struct nvif_vmm *vmm)
109{
110 kfree(vmm->page);
111 nvif_object_dtor(&vmm->object);
112}
113
114int
109{
110 kfree(vmm->page);
111 nvif_object_dtor(&vmm->object);
112}
113
114int
115nvif_vmm_init(struct nvif_mmu *mmu, s32 oclass, bool managed, u64 addr,
116 u64 size, void *argv, u32 argc, struct nvif_vmm *vmm)
115nvif_vmm_ctor(struct nvif_mmu *mmu, const char *name, s32 oclass, bool managed,
116 u64 addr, u64 size, void *argv, u32 argc, struct nvif_vmm *vmm)
117{
118 struct nvif_vmm_v0 *args;
119 u32 argn = sizeof(*args) + argc;
120 int ret = -ENOSYS, i;
121
122 vmm->object.client = NULL;
123 vmm->page = NULL;
124
125 if (!(args = kmalloc(argn, GFP_KERNEL)))
126 return -ENOMEM;
127 args->version = 0;
128 args->managed = managed;
129 args->addr = addr;
130 args->size = size;
131 memcpy(args->data, argv, argc);
132
117{
118 struct nvif_vmm_v0 *args;
119 u32 argn = sizeof(*args) + argc;
120 int ret = -ENOSYS, i;
121
122 vmm->object.client = NULL;
123 vmm->page = NULL;
124
125 if (!(args = kmalloc(argn, GFP_KERNEL)))
126 return -ENOMEM;
127 args->version = 0;
128 args->managed = managed;
129 args->addr = addr;
130 args->size = size;
131 memcpy(args->data, argv, argc);
132
133 ret = nvif_object_ctor(&mmu->object, "nvifVmm", 0, oclass, args, argn,
134 &vmm->object);
133 ret = nvif_object_ctor(&mmu->object, name ? name : "nvifVmm", 0,
134 oclass, args, argn, &vmm->object);
135 if (ret)
136 goto done;
137
138 vmm->start = args->addr;
139 vmm->limit = args->size;
140
141 vmm->page_nr = args->page_nr;
142 vmm->page = kmalloc_array(vmm->page_nr, sizeof(*vmm->page),

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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;
162 }
163
164done:
165 if (ret)
135 if (ret)
136 goto done;
137
138 vmm->start = args->addr;
139 vmm->limit = args->size;
140
141 vmm->page_nr = args->page_nr;
142 vmm->page = kmalloc_array(vmm->page_nr, sizeof(*vmm->page),

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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;
162 }
163
164done:
165 if (ret)
166 nvif_vmm_fini(vmm);
166 nvif_vmm_dtor(vmm);
167 kfree(args);
168 return ret;
169}
167 kfree(args);
168 return ret;
169}