This source file includes following definitions.
- nvkm_top_device_new
- nvkm_top_addr
- nvkm_top_reset
- nvkm_top_intr_mask
- nvkm_top_intr
- nvkm_top_fault_id
- nvkm_top_fault
- nvkm_top_engine
- nvkm_top_oneinit
- nvkm_top_dtor
- nvkm_top_new_
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24 #include "priv.h"
25
26 struct nvkm_top_device *
27 nvkm_top_device_new(struct nvkm_top *top)
28 {
29 struct nvkm_top_device *info = kmalloc(sizeof(*info), GFP_KERNEL);
30 if (info) {
31 info->index = NVKM_SUBDEV_NR;
32 info->addr = 0;
33 info->fault = -1;
34 info->engine = -1;
35 info->runlist = -1;
36 info->reset = -1;
37 info->intr = -1;
38 list_add_tail(&info->head, &top->device);
39 }
40 return info;
41 }
42
43 u32
44 nvkm_top_addr(struct nvkm_device *device, enum nvkm_devidx index)
45 {
46 struct nvkm_top *top = device->top;
47 struct nvkm_top_device *info;
48
49 if (top) {
50 list_for_each_entry(info, &top->device, head) {
51 if (info->index == index)
52 return info->addr;
53 }
54 }
55
56 return 0;
57 }
58
59 u32
60 nvkm_top_reset(struct nvkm_device *device, enum nvkm_devidx index)
61 {
62 struct nvkm_top *top = device->top;
63 struct nvkm_top_device *info;
64
65 if (top) {
66 list_for_each_entry(info, &top->device, head) {
67 if (info->index == index && info->reset >= 0)
68 return BIT(info->reset);
69 }
70 }
71
72 return 0;
73 }
74
75 u32
76 nvkm_top_intr_mask(struct nvkm_device *device, enum nvkm_devidx devidx)
77 {
78 struct nvkm_top *top = device->top;
79 struct nvkm_top_device *info;
80
81 if (top) {
82 list_for_each_entry(info, &top->device, head) {
83 if (info->index == devidx && info->intr >= 0)
84 return BIT(info->intr);
85 }
86 }
87
88 return 0;
89 }
90
91 u32
92 nvkm_top_intr(struct nvkm_device *device, u32 intr, u64 *psubdevs)
93 {
94 struct nvkm_top *top = device->top;
95 struct nvkm_top_device *info;
96 u64 subdevs = 0;
97 u32 handled = 0;
98
99 if (top) {
100 list_for_each_entry(info, &top->device, head) {
101 if (info->index != NVKM_SUBDEV_NR && info->intr >= 0) {
102 if (intr & BIT(info->intr)) {
103 subdevs |= BIT_ULL(info->index);
104 handled |= BIT(info->intr);
105 }
106 }
107 }
108 }
109
110 *psubdevs = subdevs;
111 return intr & ~handled;
112 }
113
114 int
115 nvkm_top_fault_id(struct nvkm_device *device, enum nvkm_devidx devidx)
116 {
117 struct nvkm_top *top = device->top;
118 struct nvkm_top_device *info;
119
120 list_for_each_entry(info, &top->device, head) {
121 if (info->index == devidx && info->fault >= 0)
122 return info->fault;
123 }
124
125 return -ENOENT;
126 }
127
128 enum nvkm_devidx
129 nvkm_top_fault(struct nvkm_device *device, int fault)
130 {
131 struct nvkm_top *top = device->top;
132 struct nvkm_top_device *info;
133
134 list_for_each_entry(info, &top->device, head) {
135 if (info->fault == fault)
136 return info->index;
137 }
138
139 return NVKM_SUBDEV_NR;
140 }
141
142 enum nvkm_devidx
143 nvkm_top_engine(struct nvkm_device *device, int index, int *runl, int *engn)
144 {
145 struct nvkm_top *top = device->top;
146 struct nvkm_top_device *info;
147 int n = 0;
148
149 list_for_each_entry(info, &top->device, head) {
150 if (info->engine >= 0 && info->runlist >= 0 && n++ == index) {
151 *runl = info->runlist;
152 *engn = info->engine;
153 return info->index;
154 }
155 }
156
157 return -ENODEV;
158 }
159
160 static int
161 nvkm_top_oneinit(struct nvkm_subdev *subdev)
162 {
163 struct nvkm_top *top = nvkm_top(subdev);
164 return top->func->oneinit(top);
165 }
166
167 static void *
168 nvkm_top_dtor(struct nvkm_subdev *subdev)
169 {
170 struct nvkm_top *top = nvkm_top(subdev);
171 struct nvkm_top_device *info, *temp;
172
173 list_for_each_entry_safe(info, temp, &top->device, head) {
174 list_del(&info->head);
175 kfree(info);
176 }
177
178 return top;
179 }
180
181 static const struct nvkm_subdev_func
182 nvkm_top = {
183 .dtor = nvkm_top_dtor,
184 .oneinit = nvkm_top_oneinit,
185 };
186
187 int
188 nvkm_top_new_(const struct nvkm_top_func *func, struct nvkm_device *device,
189 int index, struct nvkm_top **ptop)
190 {
191 struct nvkm_top *top;
192 if (!(top = *ptop = kzalloc(sizeof(*top), GFP_KERNEL)))
193 return -ENOMEM;
194 nvkm_subdev_ctor(&nvkm_top, device, index, &top->subdev);
195 top->func = func;
196 INIT_LIST_HEAD(&top->device);
197 return 0;
198 }