Ben Skeggs | 2a259a3 | 2012-05-08 10:24:27 +1000 | [diff] [blame] | 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 | |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 24 | #include <core/object.h> |
| 25 | #include <core/client.h> |
| 26 | #include <core/device.h> |
| 27 | #include <core/class.h> |
| 28 | #include <core/mm.h> |
Ben Skeggs | 2a259a3 | 2012-05-08 10:24:27 +1000 | [diff] [blame] | 29 | |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 30 | #include <subdev/fb.h> |
| 31 | #include <subdev/timer.h> |
| 32 | #include <subdev/instmem.h> |
| 33 | |
| 34 | #include "nouveau_drm.h" |
Ben Skeggs | 2a259a3 | 2012-05-08 10:24:27 +1000 | [diff] [blame] | 35 | #include "nouveau_dma.h" |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 36 | #include "nouveau_gem.h" |
| 37 | #include "nouveau_chan.h" |
Ben Skeggs | 2a259a3 | 2012-05-08 10:24:27 +1000 | [diff] [blame] | 38 | #include "nouveau_abi16.h" |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 39 | |
| 40 | struct nouveau_abi16 * |
| 41 | nouveau_abi16_get(struct drm_file *file_priv, struct drm_device *dev) |
| 42 | { |
| 43 | struct nouveau_cli *cli = nouveau_cli(file_priv); |
| 44 | mutex_lock(&cli->mutex); |
| 45 | if (!cli->abi16) { |
| 46 | struct nouveau_abi16 *abi16; |
| 47 | cli->abi16 = abi16 = kzalloc(sizeof(*abi16), GFP_KERNEL); |
| 48 | if (cli->abi16) { |
| 49 | INIT_LIST_HEAD(&abi16->channels); |
| 50 | abi16->client = nv_object(cli); |
| 51 | |
| 52 | /* allocate device object targeting client's default |
| 53 | * device (ie. the one that belongs to the fd it |
| 54 | * opened) |
| 55 | */ |
| 56 | if (nouveau_object_new(abi16->client, NVDRM_CLIENT, |
| 57 | NVDRM_DEVICE, 0x0080, |
| 58 | &(struct nv_device_class) { |
| 59 | .device = ~0ULL, |
| 60 | }, |
| 61 | sizeof(struct nv_device_class), |
| 62 | &abi16->device) == 0) |
| 63 | return cli->abi16; |
| 64 | |
| 65 | kfree(cli->abi16); |
| 66 | cli->abi16 = NULL; |
| 67 | } |
| 68 | |
| 69 | mutex_unlock(&cli->mutex); |
| 70 | } |
| 71 | return cli->abi16; |
| 72 | } |
| 73 | |
| 74 | int |
| 75 | nouveau_abi16_put(struct nouveau_abi16 *abi16, int ret) |
| 76 | { |
| 77 | struct nouveau_cli *cli = (void *)abi16->client; |
| 78 | mutex_unlock(&cli->mutex); |
| 79 | return ret; |
| 80 | } |
| 81 | |
| 82 | u16 |
| 83 | nouveau_abi16_swclass(struct nouveau_drm *drm) |
| 84 | { |
| 85 | switch (nv_device(drm->device)->card_type) { |
| 86 | case NV_04: |
| 87 | return 0x006e; |
| 88 | case NV_10: |
| 89 | case NV_20: |
| 90 | case NV_30: |
| 91 | case NV_40: |
| 92 | return 0x016e; |
| 93 | case NV_50: |
| 94 | return 0x506e; |
| 95 | case NV_C0: |
| 96 | case NV_D0: |
| 97 | case NV_E0: |
| 98 | return 0x906e; |
| 99 | } |
| 100 | |
| 101 | return 0x0000; |
| 102 | } |
| 103 | |
| 104 | static void |
| 105 | nouveau_abi16_ntfy_fini(struct nouveau_abi16_chan *chan, |
| 106 | struct nouveau_abi16_ntfy *ntfy) |
| 107 | { |
| 108 | nouveau_mm_free(&chan->heap, &ntfy->node); |
| 109 | list_del(&ntfy->head); |
| 110 | kfree(ntfy); |
| 111 | } |
| 112 | |
| 113 | static void |
| 114 | nouveau_abi16_chan_fini(struct nouveau_abi16 *abi16, |
| 115 | struct nouveau_abi16_chan *chan) |
| 116 | { |
| 117 | struct nouveau_abi16_ntfy *ntfy, *temp; |
| 118 | |
| 119 | /* cleanup notifier state */ |
| 120 | list_for_each_entry_safe(ntfy, temp, &chan->notifiers, head) { |
| 121 | nouveau_abi16_ntfy_fini(chan, ntfy); |
| 122 | } |
| 123 | |
| 124 | if (chan->ntfy) { |
| 125 | nouveau_bo_vma_del(chan->ntfy, &chan->ntfy_vma); |
| 126 | drm_gem_object_unreference_unlocked(chan->ntfy->gem); |
| 127 | } |
| 128 | |
| 129 | if (chan->heap.block_size) |
| 130 | nouveau_mm_fini(&chan->heap); |
| 131 | |
| 132 | /* destroy channel object, all children will be killed too */ |
| 133 | if (chan->chan) { |
| 134 | abi16->handles &= ~(1 << (chan->chan->handle & 0xffff)); |
| 135 | nouveau_channel_del(&chan->chan); |
| 136 | } |
| 137 | |
| 138 | list_del(&chan->head); |
| 139 | kfree(chan); |
| 140 | } |
| 141 | |
| 142 | void |
| 143 | nouveau_abi16_fini(struct nouveau_abi16 *abi16) |
| 144 | { |
| 145 | struct nouveau_cli *cli = (void *)abi16->client; |
| 146 | struct nouveau_abi16_chan *chan, *temp; |
| 147 | |
| 148 | /* cleanup channels */ |
| 149 | list_for_each_entry_safe(chan, temp, &abi16->channels, head) { |
| 150 | nouveau_abi16_chan_fini(abi16, chan); |
| 151 | } |
| 152 | |
| 153 | /* destroy the device object */ |
| 154 | nouveau_object_del(abi16->client, NVDRM_CLIENT, NVDRM_DEVICE); |
| 155 | |
| 156 | kfree(cli->abi16); |
| 157 | cli->abi16 = NULL; |
| 158 | } |
Ben Skeggs | 2a259a3 | 2012-05-08 10:24:27 +1000 | [diff] [blame] | 159 | |
| 160 | int |
| 161 | nouveau_abi16_ioctl_getparam(ABI16_IOCTL_ARGS) |
| 162 | { |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 163 | struct nouveau_drm *drm = nouveau_drm(dev); |
| 164 | struct nouveau_device *device = nv_device(drm->device); |
| 165 | struct nouveau_timer *ptimer = nouveau_timer(device); |
Ben Skeggs | 2a259a3 | 2012-05-08 10:24:27 +1000 | [diff] [blame] | 166 | struct drm_nouveau_getparam *getparam = data; |
| 167 | |
| 168 | switch (getparam->param) { |
| 169 | case NOUVEAU_GETPARAM_CHIPSET_ID: |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 170 | getparam->value = device->chipset; |
Ben Skeggs | 2a259a3 | 2012-05-08 10:24:27 +1000 | [diff] [blame] | 171 | break; |
| 172 | case NOUVEAU_GETPARAM_PCI_VENDOR: |
| 173 | getparam->value = dev->pci_vendor; |
| 174 | break; |
| 175 | case NOUVEAU_GETPARAM_PCI_DEVICE: |
| 176 | getparam->value = dev->pci_device; |
| 177 | break; |
| 178 | case NOUVEAU_GETPARAM_BUS_TYPE: |
| 179 | if (drm_pci_device_is_agp(dev)) |
| 180 | getparam->value = 0; |
| 181 | else |
| 182 | if (!pci_is_pcie(dev->pdev)) |
| 183 | getparam->value = 1; |
| 184 | else |
| 185 | getparam->value = 2; |
| 186 | break; |
| 187 | case NOUVEAU_GETPARAM_FB_SIZE: |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 188 | getparam->value = drm->gem.vram_available; |
Ben Skeggs | 2a259a3 | 2012-05-08 10:24:27 +1000 | [diff] [blame] | 189 | break; |
| 190 | case NOUVEAU_GETPARAM_AGP_SIZE: |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 191 | getparam->value = drm->gem.gart_available; |
Ben Skeggs | 2a259a3 | 2012-05-08 10:24:27 +1000 | [diff] [blame] | 192 | break; |
| 193 | case NOUVEAU_GETPARAM_VM_VRAM_BASE: |
| 194 | getparam->value = 0; /* deprecated */ |
| 195 | break; |
| 196 | case NOUVEAU_GETPARAM_PTIMER_TIME: |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 197 | getparam->value = ptimer->read(ptimer); |
Ben Skeggs | 2a259a3 | 2012-05-08 10:24:27 +1000 | [diff] [blame] | 198 | break; |
| 199 | case NOUVEAU_GETPARAM_HAS_BO_USAGE: |
| 200 | getparam->value = 1; |
| 201 | break; |
| 202 | case NOUVEAU_GETPARAM_HAS_PAGEFLIP: |
| 203 | getparam->value = 1; |
| 204 | break; |
| 205 | case NOUVEAU_GETPARAM_GRAPH_UNITS: |
| 206 | /* NV40 and NV50 versions are quite different, but register |
| 207 | * address is the same. User is supposed to know the card |
| 208 | * family anyway... */ |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 209 | if (device->chipset >= 0x40) { |
| 210 | getparam->value = nv_rd32(device, 0x001540); |
Ben Skeggs | 2a259a3 | 2012-05-08 10:24:27 +1000 | [diff] [blame] | 211 | break; |
| 212 | } |
| 213 | /* FALLTHRU */ |
| 214 | default: |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 215 | nv_debug(device, "unknown parameter %lld\n", getparam->param); |
Ben Skeggs | 2a259a3 | 2012-05-08 10:24:27 +1000 | [diff] [blame] | 216 | return -EINVAL; |
| 217 | } |
| 218 | |
| 219 | return 0; |
| 220 | } |
| 221 | |
| 222 | int |
| 223 | nouveau_abi16_ioctl_setparam(ABI16_IOCTL_ARGS) |
| 224 | { |
| 225 | return -EINVAL; |
| 226 | } |
| 227 | |
| 228 | int |
| 229 | nouveau_abi16_ioctl_channel_alloc(ABI16_IOCTL_ARGS) |
| 230 | { |
Ben Skeggs | 2a259a3 | 2012-05-08 10:24:27 +1000 | [diff] [blame] | 231 | struct drm_nouveau_channel_alloc *init = data; |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 232 | struct nouveau_cli *cli = nouveau_cli(file_priv); |
| 233 | struct nouveau_drm *drm = nouveau_drm(dev); |
| 234 | struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev); |
| 235 | struct nouveau_abi16_chan *chan; |
| 236 | struct nouveau_client *client; |
| 237 | struct nouveau_device *device; |
| 238 | struct nouveau_instmem *imem; |
| 239 | struct nouveau_fb *pfb; |
Ben Skeggs | 2a259a3 | 2012-05-08 10:24:27 +1000 | [diff] [blame] | 240 | int ret; |
| 241 | |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 242 | if (unlikely(!abi16)) |
| 243 | return -ENOMEM; |
| 244 | client = nv_client(abi16->client); |
Ben Skeggs | 2a259a3 | 2012-05-08 10:24:27 +1000 | [diff] [blame] | 245 | |
| 246 | if (init->fb_ctxdma_handle == ~0 || init->tt_ctxdma_handle == ~0) |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 247 | return nouveau_abi16_put(abi16, -EINVAL); |
Ben Skeggs | 2a259a3 | 2012-05-08 10:24:27 +1000 | [diff] [blame] | 248 | |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 249 | device = nv_device(abi16->device); |
| 250 | imem = nouveau_instmem(device); |
| 251 | pfb = nouveau_fb(device); |
| 252 | |
| 253 | /* allocate "abi16 channel" data and make up a handle for it */ |
| 254 | init->channel = ffsll(~abi16->handles); |
| 255 | if (!init->channel--) |
| 256 | return nouveau_abi16_put(abi16, -ENOSPC); |
| 257 | |
| 258 | chan = kzalloc(sizeof(*chan), GFP_KERNEL); |
| 259 | if (!chan) |
| 260 | return nouveau_abi16_put(abi16, -ENOMEM); |
| 261 | |
| 262 | INIT_LIST_HEAD(&chan->notifiers); |
| 263 | list_add(&chan->head, &abi16->channels); |
| 264 | abi16->handles |= (1 << init->channel); |
| 265 | |
| 266 | /* create channel object and initialise dma and fence management */ |
Ben Skeggs | 4998104 | 2012-08-06 19:38:25 +1000 | [diff] [blame] | 267 | if (device->card_type >= NV_E0) { |
| 268 | init->fb_ctxdma_handle = NVE0_CHANNEL_IND_ENGINE_GR; |
| 269 | init->tt_ctxdma_handle = 0; |
| 270 | } |
| 271 | |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 272 | ret = nouveau_channel_new(drm, cli, NVDRM_DEVICE, NVDRM_CHAN | |
| 273 | init->channel, init->fb_ctxdma_handle, |
| 274 | init->tt_ctxdma_handle, &chan->chan); |
Ben Skeggs | 2a259a3 | 2012-05-08 10:24:27 +1000 | [diff] [blame] | 275 | if (ret) |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 276 | goto done; |
Ben Skeggs | 2a259a3 | 2012-05-08 10:24:27 +1000 | [diff] [blame] | 277 | |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 278 | if (device->card_type >= NV_50) |
| 279 | init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM | |
| 280 | NOUVEAU_GEM_DOMAIN_GART; |
| 281 | else |
| 282 | if (chan->chan->push.buffer->bo.mem.mem_type == TTM_PL_VRAM) |
Ben Skeggs | 2a259a3 | 2012-05-08 10:24:27 +1000 | [diff] [blame] | 283 | init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM; |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 284 | else |
| 285 | init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_GART; |
Ben Skeggs | 2a259a3 | 2012-05-08 10:24:27 +1000 | [diff] [blame] | 286 | |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 287 | if (device->card_type < NV_C0) { |
Ben Skeggs | 2a259a3 | 2012-05-08 10:24:27 +1000 | [diff] [blame] | 288 | init->subchan[0].handle = 0x00000000; |
| 289 | init->subchan[0].grclass = 0x0000; |
| 290 | init->subchan[1].handle = NvSw; |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 291 | init->subchan[1].grclass = 0x506e; |
Ben Skeggs | 2a259a3 | 2012-05-08 10:24:27 +1000 | [diff] [blame] | 292 | init->nr_subchan = 2; |
| 293 | } |
| 294 | |
| 295 | /* Named memory object area */ |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 296 | ret = nouveau_gem_new(dev, PAGE_SIZE, 0, NOUVEAU_GEM_DOMAIN_GART, |
| 297 | 0, 0, &chan->ntfy); |
Ben Skeggs | 2a259a3 | 2012-05-08 10:24:27 +1000 | [diff] [blame] | 298 | if (ret == 0) |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 299 | ret = nouveau_bo_pin(chan->ntfy, TTM_PL_FLAG_TT); |
| 300 | if (ret) |
| 301 | goto done; |
| 302 | |
| 303 | if (device->card_type >= NV_50) { |
| 304 | ret = nouveau_bo_vma_add(chan->ntfy, client->vm, |
| 305 | &chan->ntfy_vma); |
| 306 | if (ret) |
| 307 | goto done; |
| 308 | } |
| 309 | |
| 310 | ret = drm_gem_handle_create(file_priv, chan->ntfy->gem, |
| 311 | &init->notifier_handle); |
| 312 | if (ret) |
| 313 | goto done; |
| 314 | |
| 315 | ret = nouveau_mm_init(&chan->heap, 0, PAGE_SIZE, 1); |
| 316 | done: |
| 317 | if (ret) |
| 318 | nouveau_abi16_chan_fini(abi16, chan); |
| 319 | return nouveau_abi16_put(abi16, ret); |
Ben Skeggs | 2a259a3 | 2012-05-08 10:24:27 +1000 | [diff] [blame] | 320 | } |
| 321 | |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 322 | |
Ben Skeggs | 2a259a3 | 2012-05-08 10:24:27 +1000 | [diff] [blame] | 323 | int |
| 324 | nouveau_abi16_ioctl_channel_free(ABI16_IOCTL_ARGS) |
| 325 | { |
| 326 | struct drm_nouveau_channel_free *req = data; |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 327 | struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev); |
| 328 | struct nouveau_abi16_chan *chan; |
| 329 | int ret = -ENOENT; |
Ben Skeggs | 2a259a3 | 2012-05-08 10:24:27 +1000 | [diff] [blame] | 330 | |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 331 | if (unlikely(!abi16)) |
| 332 | return -ENOMEM; |
Ben Skeggs | 2a259a3 | 2012-05-08 10:24:27 +1000 | [diff] [blame] | 333 | |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 334 | list_for_each_entry(chan, &abi16->channels, head) { |
| 335 | if (chan->chan->handle == (NVDRM_CHAN | req->channel)) { |
| 336 | nouveau_abi16_chan_fini(abi16, chan); |
| 337 | return nouveau_abi16_put(abi16, 0); |
| 338 | } |
| 339 | } |
| 340 | |
| 341 | return nouveau_abi16_put(abi16, ret); |
Ben Skeggs | 2a259a3 | 2012-05-08 10:24:27 +1000 | [diff] [blame] | 342 | } |
| 343 | |
| 344 | int |
| 345 | nouveau_abi16_ioctl_grobj_alloc(ABI16_IOCTL_ARGS) |
| 346 | { |
| 347 | struct drm_nouveau_grobj_alloc *init = data; |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 348 | struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev); |
| 349 | struct nouveau_drm *drm = nouveau_drm(dev); |
| 350 | struct nouveau_object *object; |
Ben Skeggs | 2a259a3 | 2012-05-08 10:24:27 +1000 | [diff] [blame] | 351 | int ret; |
| 352 | |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 353 | if (unlikely(!abi16)) |
| 354 | return -ENOMEM; |
| 355 | |
Ben Skeggs | 2a259a3 | 2012-05-08 10:24:27 +1000 | [diff] [blame] | 356 | if (init->handle == ~0) |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 357 | return nouveau_abi16_put(abi16, -EINVAL); |
Ben Skeggs | 2a259a3 | 2012-05-08 10:24:27 +1000 | [diff] [blame] | 358 | |
| 359 | /* compatibility with userspace that assumes 506e for all chipsets */ |
| 360 | if (init->class == 0x506e) { |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 361 | init->class = nouveau_abi16_swclass(drm); |
Ben Skeggs | 2a259a3 | 2012-05-08 10:24:27 +1000 | [diff] [blame] | 362 | if (init->class == 0x906e) |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 363 | return nouveau_abi16_put(abi16, 0); |
Ben Skeggs | 2a259a3 | 2012-05-08 10:24:27 +1000 | [diff] [blame] | 364 | } |
| 365 | |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 366 | ret = nouveau_object_new(abi16->client, NVDRM_CHAN | init->channel, |
| 367 | init->handle, init->class, NULL, 0, &object); |
| 368 | return nouveau_abi16_put(abi16, ret); |
Ben Skeggs | 2a259a3 | 2012-05-08 10:24:27 +1000 | [diff] [blame] | 369 | } |
| 370 | |
| 371 | int |
| 372 | nouveau_abi16_ioctl_notifierobj_alloc(ABI16_IOCTL_ARGS) |
| 373 | { |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 374 | struct drm_nouveau_notifierobj_alloc *info = data; |
| 375 | struct nouveau_drm *drm = nouveau_drm(dev); |
| 376 | struct nouveau_device *device = nv_device(drm->device); |
| 377 | struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev); |
| 378 | struct nouveau_abi16_chan *chan, *temp; |
| 379 | struct nouveau_abi16_ntfy *ntfy; |
| 380 | struct nouveau_object *object; |
| 381 | struct nv_dma_class args; |
Ben Skeggs | 2a259a3 | 2012-05-08 10:24:27 +1000 | [diff] [blame] | 382 | int ret; |
| 383 | |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 384 | if (unlikely(!abi16)) |
| 385 | return -ENOMEM; |
| 386 | |
Ben Skeggs | 2a259a3 | 2012-05-08 10:24:27 +1000 | [diff] [blame] | 387 | /* completely unnecessary for these chipsets... */ |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 388 | if (unlikely(nv_device(abi16->device)->card_type >= NV_C0)) |
| 389 | return nouveau_abi16_put(abi16, -EINVAL); |
Ben Skeggs | 2a259a3 | 2012-05-08 10:24:27 +1000 | [diff] [blame] | 390 | |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 391 | list_for_each_entry_safe(chan, temp, &abi16->channels, head) { |
| 392 | if (chan->chan->handle == (NVDRM_CHAN | info->channel)) |
| 393 | break; |
| 394 | chan = NULL; |
| 395 | } |
Ben Skeggs | 2a259a3 | 2012-05-08 10:24:27 +1000 | [diff] [blame] | 396 | |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 397 | if (!chan) |
| 398 | return nouveau_abi16_put(abi16, -ENOENT); |
| 399 | |
| 400 | ntfy = kzalloc(sizeof(*ntfy), GFP_KERNEL); |
| 401 | if (!ntfy) |
| 402 | return nouveau_abi16_put(abi16, -ENOMEM); |
| 403 | |
| 404 | list_add(&ntfy->head, &chan->notifiers); |
| 405 | ntfy->handle = info->handle; |
| 406 | |
| 407 | ret = nouveau_mm_head(&chan->heap, 1, info->size, info->size, 1, |
| 408 | &ntfy->node); |
| 409 | if (ret) |
| 410 | goto done; |
| 411 | |
| 412 | args.start = ntfy->node->offset; |
| 413 | args.limit = ntfy->node->offset + ntfy->node->length - 1; |
| 414 | if (device->card_type >= NV_50) { |
| 415 | args.flags = NV_DMA_TARGET_VM | NV_DMA_ACCESS_VM; |
| 416 | args.start += chan->ntfy_vma.offset; |
| 417 | args.limit += chan->ntfy_vma.offset; |
| 418 | } else |
| 419 | if (drm->agp.stat == ENABLED) { |
| 420 | args.flags = NV_DMA_TARGET_AGP | NV_DMA_ACCESS_RDWR; |
| 421 | args.start += drm->agp.base + chan->ntfy->bo.offset; |
| 422 | args.limit += drm->agp.base + chan->ntfy->bo.offset; |
| 423 | } else { |
| 424 | args.flags = NV_DMA_TARGET_VM | NV_DMA_ACCESS_RDWR; |
| 425 | args.start += chan->ntfy->bo.offset; |
| 426 | args.limit += chan->ntfy->bo.offset; |
| 427 | } |
| 428 | |
| 429 | ret = nouveau_object_new(abi16->client, chan->chan->handle, |
| 430 | ntfy->handle, 0x003d, &args, |
| 431 | sizeof(args), &object); |
| 432 | if (ret) |
| 433 | goto done; |
| 434 | |
| 435 | done: |
| 436 | if (ret) |
| 437 | nouveau_abi16_ntfy_fini(chan, ntfy); |
| 438 | return nouveau_abi16_put(abi16, ret); |
Ben Skeggs | 2a259a3 | 2012-05-08 10:24:27 +1000 | [diff] [blame] | 439 | } |
| 440 | |
| 441 | int |
| 442 | nouveau_abi16_ioctl_gpuobj_free(ABI16_IOCTL_ARGS) |
| 443 | { |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 444 | struct drm_nouveau_gpuobj_free *fini = data; |
| 445 | struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev); |
| 446 | struct nouveau_abi16_chan *chan, *temp; |
| 447 | struct nouveau_abi16_ntfy *ntfy; |
Ben Skeggs | 2a259a3 | 2012-05-08 10:24:27 +1000 | [diff] [blame] | 448 | int ret; |
| 449 | |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 450 | if (unlikely(!abi16)) |
| 451 | return -ENOMEM; |
Ben Skeggs | 2a259a3 | 2012-05-08 10:24:27 +1000 | [diff] [blame] | 452 | |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 453 | list_for_each_entry_safe(chan, temp, &abi16->channels, head) { |
| 454 | if (chan->chan->handle == (NVDRM_CHAN | fini->channel)) |
| 455 | break; |
| 456 | chan = NULL; |
| 457 | } |
Ben Skeggs | 2a259a3 | 2012-05-08 10:24:27 +1000 | [diff] [blame] | 458 | |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 459 | if (!chan) |
| 460 | return nouveau_abi16_put(abi16, -ENOENT); |
| 461 | |
| 462 | /* synchronize with the user channel and destroy the gpu object */ |
| 463 | nouveau_channel_idle(chan->chan); |
| 464 | |
| 465 | ret = nouveau_object_del(abi16->client, chan->chan->handle, fini->handle); |
| 466 | if (ret) |
| 467 | return nouveau_abi16_put(abi16, ret); |
| 468 | |
| 469 | /* cleanup extra state if this object was a notifier */ |
| 470 | list_for_each_entry(ntfy, &chan->notifiers, head) { |
| 471 | if (ntfy->handle == fini->handle) { |
| 472 | nouveau_mm_free(&chan->heap, &ntfy->node); |
| 473 | list_del(&ntfy->head); |
| 474 | break; |
| 475 | } |
| 476 | } |
| 477 | |
| 478 | return nouveau_abi16_put(abi16, 0); |
Ben Skeggs | 2a259a3 | 2012-05-08 10:24:27 +1000 | [diff] [blame] | 479 | } |