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1 | /* |
2 | * Copyright 2012 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 | |
9 | * Software is furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice shall be included in | |
12 | * all copies or substantial portions of the Software. | |
13 | * | |
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. | |
21 | * | |
22 | */ | |
23 | ||
760285e7 | 24 | #include <drm/drmP.h> |
2a259a3d BS |
25 | |
26 | #include "nouveau_drv.h" | |
27 | #include "nouveau_dma.h" | |
28 | #include "nouveau_abi16.h" | |
29 | #include "nouveau_ramht.h" | |
30 | #include "nouveau_software.h" | |
31 | ||
32 | int | |
33 | nouveau_abi16_ioctl_getparam(ABI16_IOCTL_ARGS) | |
34 | { | |
35 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
36 | struct drm_nouveau_getparam *getparam = data; | |
37 | ||
38 | switch (getparam->param) { | |
39 | case NOUVEAU_GETPARAM_CHIPSET_ID: | |
40 | getparam->value = dev_priv->chipset; | |
41 | break; | |
42 | case NOUVEAU_GETPARAM_PCI_VENDOR: | |
43 | getparam->value = dev->pci_vendor; | |
44 | break; | |
45 | case NOUVEAU_GETPARAM_PCI_DEVICE: | |
46 | getparam->value = dev->pci_device; | |
47 | break; | |
48 | case NOUVEAU_GETPARAM_BUS_TYPE: | |
49 | if (drm_pci_device_is_agp(dev)) | |
50 | getparam->value = 0; | |
51 | else | |
52 | if (!pci_is_pcie(dev->pdev)) | |
53 | getparam->value = 1; | |
54 | else | |
55 | getparam->value = 2; | |
56 | break; | |
57 | case NOUVEAU_GETPARAM_FB_SIZE: | |
58 | getparam->value = dev_priv->fb_available_size; | |
59 | break; | |
60 | case NOUVEAU_GETPARAM_AGP_SIZE: | |
61 | getparam->value = dev_priv->gart_info.aper_size; | |
62 | break; | |
63 | case NOUVEAU_GETPARAM_VM_VRAM_BASE: | |
64 | getparam->value = 0; /* deprecated */ | |
65 | break; | |
66 | case NOUVEAU_GETPARAM_PTIMER_TIME: | |
67 | getparam->value = dev_priv->engine.timer.read(dev); | |
68 | break; | |
69 | case NOUVEAU_GETPARAM_HAS_BO_USAGE: | |
70 | getparam->value = 1; | |
71 | break; | |
72 | case NOUVEAU_GETPARAM_HAS_PAGEFLIP: | |
73 | getparam->value = 1; | |
74 | break; | |
75 | case NOUVEAU_GETPARAM_GRAPH_UNITS: | |
76 | /* NV40 and NV50 versions are quite different, but register | |
77 | * address is the same. User is supposed to know the card | |
78 | * family anyway... */ | |
79 | if (dev_priv->chipset >= 0x40) { | |
80 | getparam->value = nv_rd32(dev, NV40_PMC_GRAPH_UNITS); | |
81 | break; | |
82 | } | |
83 | /* FALLTHRU */ | |
84 | default: | |
85 | NV_DEBUG(dev, "unknown parameter %lld\n", getparam->param); | |
86 | return -EINVAL; | |
87 | } | |
88 | ||
89 | return 0; | |
90 | } | |
91 | ||
92 | int | |
93 | nouveau_abi16_ioctl_setparam(ABI16_IOCTL_ARGS) | |
94 | { | |
95 | return -EINVAL; | |
96 | } | |
97 | ||
98 | int | |
99 | nouveau_abi16_ioctl_channel_alloc(ABI16_IOCTL_ARGS) | |
100 | { | |
101 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
102 | struct drm_nouveau_channel_alloc *init = data; | |
103 | struct nouveau_channel *chan; | |
104 | int ret; | |
105 | ||
106 | if (!dev_priv->eng[NVOBJ_ENGINE_GR]) | |
107 | return -ENODEV; | |
108 | ||
109 | if (init->fb_ctxdma_handle == ~0 || init->tt_ctxdma_handle == ~0) | |
110 | return -EINVAL; | |
111 | ||
112 | ret = nouveau_channel_alloc(dev, &chan, file_priv, | |
113 | init->fb_ctxdma_handle, | |
114 | init->tt_ctxdma_handle); | |
115 | if (ret) | |
116 | return ret; | |
117 | init->channel = chan->id; | |
118 | ||
119 | if (nouveau_vram_pushbuf == 0) { | |
120 | if (chan->dma.ib_max) | |
121 | init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM | | |
122 | NOUVEAU_GEM_DOMAIN_GART; | |
123 | else if (chan->pushbuf_bo->bo.mem.mem_type == TTM_PL_VRAM) | |
124 | init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM; | |
125 | else | |
126 | init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_GART; | |
127 | } else { | |
128 | init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM; | |
129 | } | |
130 | ||
131 | if (dev_priv->card_type < NV_C0) { | |
132 | init->subchan[0].handle = 0x00000000; | |
133 | init->subchan[0].grclass = 0x0000; | |
134 | init->subchan[1].handle = NvSw; | |
135 | init->subchan[1].grclass = NV_SW; | |
136 | init->nr_subchan = 2; | |
137 | } | |
138 | ||
139 | /* Named memory object area */ | |
140 | ret = drm_gem_handle_create(file_priv, chan->notifier_bo->gem, | |
141 | &init->notifier_handle); | |
142 | ||
143 | if (ret == 0) | |
144 | atomic_inc(&chan->users); /* userspace reference */ | |
145 | nouveau_channel_put(&chan); | |
146 | return ret; | |
147 | } | |
148 | ||
149 | int | |
150 | nouveau_abi16_ioctl_channel_free(ABI16_IOCTL_ARGS) | |
151 | { | |
152 | struct drm_nouveau_channel_free *req = data; | |
153 | struct nouveau_channel *chan; | |
154 | ||
155 | chan = nouveau_channel_get(file_priv, req->channel); | |
156 | if (IS_ERR(chan)) | |
157 | return PTR_ERR(chan); | |
158 | ||
159 | list_del(&chan->list); | |
160 | atomic_dec(&chan->users); | |
161 | nouveau_channel_put(&chan); | |
162 | return 0; | |
163 | } | |
164 | ||
165 | int | |
166 | nouveau_abi16_ioctl_grobj_alloc(ABI16_IOCTL_ARGS) | |
167 | { | |
168 | struct drm_nouveau_grobj_alloc *init = data; | |
169 | struct nouveau_channel *chan; | |
170 | int ret; | |
171 | ||
172 | if (init->handle == ~0) | |
173 | return -EINVAL; | |
174 | ||
175 | /* compatibility with userspace that assumes 506e for all chipsets */ | |
176 | if (init->class == 0x506e) { | |
177 | init->class = nouveau_software_class(dev); | |
178 | if (init->class == 0x906e) | |
179 | return 0; | |
180 | } else | |
181 | if (init->class == 0x906e) { | |
c7ead11d | 182 | NV_DEBUG(dev, "906e not supported yet\n"); |
2a259a3d BS |
183 | return -EINVAL; |
184 | } | |
185 | ||
186 | chan = nouveau_channel_get(file_priv, init->channel); | |
187 | if (IS_ERR(chan)) | |
188 | return PTR_ERR(chan); | |
189 | ||
190 | if (nouveau_ramht_find(chan, init->handle)) { | |
191 | ret = -EEXIST; | |
192 | goto out; | |
193 | } | |
194 | ||
195 | ret = nouveau_gpuobj_gr_new(chan, init->handle, init->class); | |
196 | if (ret) { | |
197 | NV_ERROR(dev, "Error creating object: %d (%d/0x%08x)\n", | |
198 | ret, init->channel, init->handle); | |
199 | } | |
200 | ||
201 | out: | |
202 | nouveau_channel_put(&chan); | |
203 | return ret; | |
204 | } | |
205 | ||
206 | int | |
207 | nouveau_abi16_ioctl_notifierobj_alloc(ABI16_IOCTL_ARGS) | |
208 | { | |
209 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
210 | struct drm_nouveau_notifierobj_alloc *na = data; | |
211 | struct nouveau_channel *chan; | |
212 | int ret; | |
213 | ||
214 | /* completely unnecessary for these chipsets... */ | |
215 | if (unlikely(dev_priv->card_type >= NV_C0)) | |
216 | return -EINVAL; | |
217 | ||
218 | chan = nouveau_channel_get(file_priv, na->channel); | |
219 | if (IS_ERR(chan)) | |
220 | return PTR_ERR(chan); | |
221 | ||
222 | ret = nouveau_notifier_alloc(chan, na->handle, na->size, 0, 0x1000, | |
223 | &na->offset); | |
224 | nouveau_channel_put(&chan); | |
225 | return ret; | |
226 | } | |
227 | ||
228 | int | |
229 | nouveau_abi16_ioctl_gpuobj_free(ABI16_IOCTL_ARGS) | |
230 | { | |
231 | struct drm_nouveau_gpuobj_free *objfree = data; | |
232 | struct nouveau_channel *chan; | |
233 | int ret; | |
234 | ||
235 | chan = nouveau_channel_get(file_priv, objfree->channel); | |
236 | if (IS_ERR(chan)) | |
237 | return PTR_ERR(chan); | |
238 | ||
239 | /* Synchronize with the user channel */ | |
240 | nouveau_channel_idle(chan); | |
241 | ||
242 | ret = nouveau_ramht_remove(chan, objfree->handle); | |
243 | nouveau_channel_put(&chan); | |
244 | return ret; | |
245 | } |