Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2008 Ben Skeggs. |
| 3 | * All Rights Reserved. |
| 4 | * |
| 5 | * Permission is hereby granted, free of charge, to any person obtaining |
| 6 | * a copy of this software and associated documentation files (the |
| 7 | * "Software"), to deal in the Software without restriction, including |
| 8 | * without limitation the rights to use, copy, modify, merge, publish, |
| 9 | * distribute, sublicense, and/or sell copies of the Software, and to |
| 10 | * permit persons to whom the Software is furnished to do so, subject to |
| 11 | * the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice (including the |
| 14 | * next paragraph) shall be included in all copies or substantial |
| 15 | * portions of the Software. |
| 16 | * |
| 17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 18 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 19 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| 20 | * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE |
| 21 | * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| 22 | * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| 23 | * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 24 | * |
| 25 | */ |
Dave Airlie | 22b33e8 | 2012-04-02 11:53:06 +0100 | [diff] [blame] | 26 | #include <linux/dma-buf.h> |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 27 | #include "drmP.h" |
| 28 | #include "drm.h" |
| 29 | |
| 30 | #include "nouveau_drv.h" |
| 31 | #include "nouveau_drm.h" |
| 32 | #include "nouveau_dma.h" |
Ben Skeggs | d375e7d5 | 2012-04-30 13:30:00 +1000 | [diff] [blame] | 33 | #include "nouveau_fence.h" |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 34 | |
| 35 | #define nouveau_gem_pushbuf_sync(chan) 0 |
| 36 | |
| 37 | int |
| 38 | nouveau_gem_object_new(struct drm_gem_object *gem) |
| 39 | { |
| 40 | return 0; |
| 41 | } |
| 42 | |
| 43 | void |
| 44 | nouveau_gem_object_del(struct drm_gem_object *gem) |
| 45 | { |
| 46 | struct nouveau_bo *nvbo = gem->driver_private; |
| 47 | struct ttm_buffer_object *bo = &nvbo->bo; |
| 48 | |
| 49 | if (!nvbo) |
| 50 | return; |
| 51 | nvbo->gem = NULL; |
| 52 | |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 53 | if (unlikely(nvbo->pin_refcnt)) { |
| 54 | nvbo->pin_refcnt = 1; |
| 55 | nouveau_bo_unpin(nvbo); |
| 56 | } |
| 57 | |
Dave Airlie | 22b33e8 | 2012-04-02 11:53:06 +0100 | [diff] [blame] | 58 | if (gem->import_attach) |
| 59 | drm_prime_gem_destroy(gem, nvbo->bo.sg); |
| 60 | |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 61 | ttm_bo_unref(&bo); |
Daniel Vetter | fd632aa | 2010-04-09 19:05:05 +0000 | [diff] [blame] | 62 | |
| 63 | drm_gem_object_release(gem); |
| 64 | kfree(gem); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 65 | } |
| 66 | |
| 67 | int |
Ben Skeggs | 639212d | 2011-06-03 16:18:26 +1000 | [diff] [blame] | 68 | nouveau_gem_object_open(struct drm_gem_object *gem, struct drm_file *file_priv) |
| 69 | { |
| 70 | struct nouveau_fpriv *fpriv = nouveau_fpriv(file_priv); |
Ben Skeggs | 2fd3db6 | 2011-06-07 15:25:12 +1000 | [diff] [blame] | 71 | struct nouveau_bo *nvbo = nouveau_gem_object(gem); |
| 72 | struct nouveau_vma *vma; |
| 73 | int ret; |
Ben Skeggs | 639212d | 2011-06-03 16:18:26 +1000 | [diff] [blame] | 74 | |
| 75 | if (!fpriv->vm) |
| 76 | return 0; |
| 77 | |
Ben Skeggs | 2fd3db6 | 2011-06-07 15:25:12 +1000 | [diff] [blame] | 78 | ret = ttm_bo_reserve(&nvbo->bo, false, false, false, 0); |
| 79 | if (ret) |
| 80 | return ret; |
| 81 | |
| 82 | vma = nouveau_bo_vma_find(nvbo, fpriv->vm); |
| 83 | if (!vma) { |
| 84 | vma = kzalloc(sizeof(*vma), GFP_KERNEL); |
| 85 | if (!vma) { |
| 86 | ret = -ENOMEM; |
| 87 | goto out; |
| 88 | } |
| 89 | |
| 90 | ret = nouveau_bo_vma_add(nvbo, fpriv->vm, vma); |
| 91 | if (ret) { |
| 92 | kfree(vma); |
| 93 | goto out; |
| 94 | } |
| 95 | } else { |
| 96 | vma->refcount++; |
| 97 | } |
| 98 | |
| 99 | out: |
| 100 | ttm_bo_unreserve(&nvbo->bo); |
| 101 | return ret; |
Ben Skeggs | 639212d | 2011-06-03 16:18:26 +1000 | [diff] [blame] | 102 | } |
| 103 | |
| 104 | void |
| 105 | nouveau_gem_object_close(struct drm_gem_object *gem, struct drm_file *file_priv) |
| 106 | { |
| 107 | struct nouveau_fpriv *fpriv = nouveau_fpriv(file_priv); |
Ben Skeggs | 2fd3db6 | 2011-06-07 15:25:12 +1000 | [diff] [blame] | 108 | struct nouveau_bo *nvbo = nouveau_gem_object(gem); |
| 109 | struct nouveau_vma *vma; |
| 110 | int ret; |
Ben Skeggs | 639212d | 2011-06-03 16:18:26 +1000 | [diff] [blame] | 111 | |
| 112 | if (!fpriv->vm) |
| 113 | return; |
Ben Skeggs | 2fd3db6 | 2011-06-07 15:25:12 +1000 | [diff] [blame] | 114 | |
| 115 | ret = ttm_bo_reserve(&nvbo->bo, false, false, false, 0); |
| 116 | if (ret) |
| 117 | return; |
| 118 | |
| 119 | vma = nouveau_bo_vma_find(nvbo, fpriv->vm); |
| 120 | if (vma) { |
Marcin Slusarz | 8fe198b | 2011-06-23 16:34:30 +0200 | [diff] [blame] | 121 | if (--vma->refcount == 0) { |
Ben Skeggs | 2fd3db6 | 2011-06-07 15:25:12 +1000 | [diff] [blame] | 122 | nouveau_bo_vma_del(nvbo, vma); |
Marcin Slusarz | 8fe198b | 2011-06-23 16:34:30 +0200 | [diff] [blame] | 123 | kfree(vma); |
| 124 | } |
Ben Skeggs | 2fd3db6 | 2011-06-07 15:25:12 +1000 | [diff] [blame] | 125 | } |
| 126 | ttm_bo_unreserve(&nvbo->bo); |
Ben Skeggs | 639212d | 2011-06-03 16:18:26 +1000 | [diff] [blame] | 127 | } |
| 128 | |
| 129 | int |
Ben Skeggs | f6d4e62 | 2011-06-07 12:25:36 +1000 | [diff] [blame] | 130 | nouveau_gem_new(struct drm_device *dev, int size, int align, uint32_t domain, |
| 131 | uint32_t tile_mode, uint32_t tile_flags, |
| 132 | struct nouveau_bo **pnvbo) |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 133 | { |
Ben Skeggs | db5c8e2 | 2011-02-10 13:41:01 +1000 | [diff] [blame] | 134 | struct drm_nouveau_private *dev_priv = dev->dev_private; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 135 | struct nouveau_bo *nvbo; |
Ben Skeggs | 6ba9a68 | 2011-02-10 14:42:08 +1000 | [diff] [blame] | 136 | u32 flags = 0; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 137 | int ret; |
| 138 | |
Ben Skeggs | 6ba9a68 | 2011-02-10 14:42:08 +1000 | [diff] [blame] | 139 | if (domain & NOUVEAU_GEM_DOMAIN_VRAM) |
| 140 | flags |= TTM_PL_FLAG_VRAM; |
| 141 | if (domain & NOUVEAU_GEM_DOMAIN_GART) |
| 142 | flags |= TTM_PL_FLAG_TT; |
| 143 | if (!flags || domain & NOUVEAU_GEM_DOMAIN_CPU) |
| 144 | flags |= TTM_PL_FLAG_SYSTEM; |
| 145 | |
Ben Skeggs | 7375c95 | 2011-06-07 14:21:29 +1000 | [diff] [blame] | 146 | ret = nouveau_bo_new(dev, size, align, flags, tile_mode, |
Dave Airlie | 22b33e8 | 2012-04-02 11:53:06 +0100 | [diff] [blame] | 147 | tile_flags, NULL, pnvbo); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 148 | if (ret) |
| 149 | return ret; |
| 150 | nvbo = *pnvbo; |
| 151 | |
Ben Skeggs | db5c8e2 | 2011-02-10 13:41:01 +1000 | [diff] [blame] | 152 | /* we restrict allowed domains on nv50+ to only the types |
| 153 | * that were requested at creation time. not possibly on |
| 154 | * earlier chips without busting the ABI. |
| 155 | */ |
| 156 | nvbo->valid_domains = NOUVEAU_GEM_DOMAIN_VRAM | |
| 157 | NOUVEAU_GEM_DOMAIN_GART; |
| 158 | if (dev_priv->card_type >= NV_50) |
| 159 | nvbo->valid_domains &= domain; |
| 160 | |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 161 | nvbo->gem = drm_gem_object_alloc(dev, nvbo->bo.mem.size); |
| 162 | if (!nvbo->gem) { |
| 163 | nouveau_bo_ref(NULL, pnvbo); |
| 164 | return -ENOMEM; |
| 165 | } |
| 166 | |
Jan Engelhardt | 5df2397 | 2011-04-04 01:25:18 +0200 | [diff] [blame] | 167 | nvbo->bo.persistent_swap_storage = nvbo->gem->filp; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 168 | nvbo->gem->driver_private = nvbo; |
| 169 | return 0; |
| 170 | } |
| 171 | |
| 172 | static int |
Ben Skeggs | e758a31 | 2011-06-07 13:28:11 +1000 | [diff] [blame] | 173 | nouveau_gem_info(struct drm_file *file_priv, struct drm_gem_object *gem, |
| 174 | struct drm_nouveau_gem_info *rep) |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 175 | { |
Ben Skeggs | e758a31 | 2011-06-07 13:28:11 +1000 | [diff] [blame] | 176 | struct nouveau_fpriv *fpriv = nouveau_fpriv(file_priv); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 177 | struct nouveau_bo *nvbo = nouveau_gem_object(gem); |
Ben Skeggs | e758a31 | 2011-06-07 13:28:11 +1000 | [diff] [blame] | 178 | struct nouveau_vma *vma; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 179 | |
| 180 | if (nvbo->bo.mem.mem_type == TTM_PL_TT) |
| 181 | rep->domain = NOUVEAU_GEM_DOMAIN_GART; |
| 182 | else |
| 183 | rep->domain = NOUVEAU_GEM_DOMAIN_VRAM; |
| 184 | |
Ben Skeggs | e758a31 | 2011-06-07 13:28:11 +1000 | [diff] [blame] | 185 | rep->offset = nvbo->bo.offset; |
| 186 | if (fpriv->vm) { |
| 187 | vma = nouveau_bo_vma_find(nvbo, fpriv->vm); |
| 188 | if (!vma) |
| 189 | return -EINVAL; |
| 190 | |
| 191 | rep->offset = vma->offset; |
| 192 | } |
| 193 | |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 194 | rep->size = nvbo->bo.mem.num_pages << PAGE_SHIFT; |
Ben Skeggs | d550c41 | 2011-02-16 08:41:56 +1000 | [diff] [blame] | 195 | rep->map_handle = nvbo->bo.addr_space_offset; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 196 | rep->tile_mode = nvbo->tile_mode; |
| 197 | rep->tile_flags = nvbo->tile_flags; |
| 198 | return 0; |
| 199 | } |
| 200 | |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 201 | int |
| 202 | nouveau_gem_ioctl_new(struct drm_device *dev, void *data, |
| 203 | struct drm_file *file_priv) |
| 204 | { |
| 205 | struct drm_nouveau_private *dev_priv = dev->dev_private; |
| 206 | struct drm_nouveau_gem_new *req = data; |
| 207 | struct nouveau_bo *nvbo = NULL; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 208 | int ret = 0; |
| 209 | |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 210 | if (unlikely(dev_priv->ttm.bdev.dev_mapping == NULL)) |
| 211 | dev_priv->ttm.bdev.dev_mapping = dev_priv->dev->dev_mapping; |
| 212 | |
Ben Skeggs | 60d2a88 | 2010-12-06 15:28:54 +1000 | [diff] [blame] | 213 | if (!dev_priv->engine.vram.flags_valid(dev, req->info.tile_flags)) { |
| 214 | NV_ERROR(dev, "bad page flags: 0x%08x\n", req->info.tile_flags); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 215 | return -EINVAL; |
Ben Skeggs | 60d2a88 | 2010-12-06 15:28:54 +1000 | [diff] [blame] | 216 | } |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 217 | |
Ben Skeggs | f6d4e62 | 2011-06-07 12:25:36 +1000 | [diff] [blame] | 218 | ret = nouveau_gem_new(dev, req->info.size, req->align, |
Ben Skeggs | 6ba9a68 | 2011-02-10 14:42:08 +1000 | [diff] [blame] | 219 | req->info.domain, req->info.tile_mode, |
| 220 | req->info.tile_flags, &nvbo); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 221 | if (ret) |
| 222 | return ret; |
| 223 | |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 224 | ret = drm_gem_handle_create(file_priv, nvbo->gem, &req->info.handle); |
Ben Skeggs | e758a31 | 2011-06-07 13:28:11 +1000 | [diff] [blame] | 225 | if (ret == 0) { |
| 226 | ret = nouveau_gem_info(file_priv, nvbo->gem, &req->info); |
| 227 | if (ret) |
| 228 | drm_gem_handle_delete(file_priv, req->info.handle); |
| 229 | } |
| 230 | |
Dave Airlie | 29d08b3 | 2010-09-27 16:17:17 +1000 | [diff] [blame] | 231 | /* drop reference from allocate - handle holds it now */ |
| 232 | drm_gem_object_unreference_unlocked(nvbo->gem); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 233 | return ret; |
| 234 | } |
| 235 | |
| 236 | static int |
| 237 | nouveau_gem_set_domain(struct drm_gem_object *gem, uint32_t read_domains, |
| 238 | uint32_t write_domains, uint32_t valid_domains) |
| 239 | { |
| 240 | struct nouveau_bo *nvbo = gem->driver_private; |
| 241 | struct ttm_buffer_object *bo = &nvbo->bo; |
Ben Skeggs | db5c8e2 | 2011-02-10 13:41:01 +1000 | [diff] [blame] | 242 | uint32_t domains = valid_domains & nvbo->valid_domains & |
Francisco Jerez | 78ad0f7 | 2010-03-18 13:07:47 +0100 | [diff] [blame] | 243 | (write_domains ? write_domains : read_domains); |
| 244 | uint32_t pref_flags = 0, valid_flags = 0; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 245 | |
Francisco Jerez | 78ad0f7 | 2010-03-18 13:07:47 +0100 | [diff] [blame] | 246 | if (!domains) |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 247 | return -EINVAL; |
| 248 | |
Francisco Jerez | 78ad0f7 | 2010-03-18 13:07:47 +0100 | [diff] [blame] | 249 | if (valid_domains & NOUVEAU_GEM_DOMAIN_VRAM) |
| 250 | valid_flags |= TTM_PL_FLAG_VRAM; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 251 | |
Francisco Jerez | 78ad0f7 | 2010-03-18 13:07:47 +0100 | [diff] [blame] | 252 | if (valid_domains & NOUVEAU_GEM_DOMAIN_GART) |
| 253 | valid_flags |= TTM_PL_FLAG_TT; |
| 254 | |
| 255 | if ((domains & NOUVEAU_GEM_DOMAIN_VRAM) && |
| 256 | bo->mem.mem_type == TTM_PL_VRAM) |
| 257 | pref_flags |= TTM_PL_FLAG_VRAM; |
| 258 | |
| 259 | else if ((domains & NOUVEAU_GEM_DOMAIN_GART) && |
| 260 | bo->mem.mem_type == TTM_PL_TT) |
| 261 | pref_flags |= TTM_PL_FLAG_TT; |
| 262 | |
| 263 | else if (domains & NOUVEAU_GEM_DOMAIN_VRAM) |
| 264 | pref_flags |= TTM_PL_FLAG_VRAM; |
| 265 | |
| 266 | else |
| 267 | pref_flags |= TTM_PL_FLAG_TT; |
| 268 | |
| 269 | nouveau_bo_placement_set(nvbo, pref_flags, valid_flags); |
| 270 | |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 271 | return 0; |
| 272 | } |
| 273 | |
| 274 | struct validate_op { |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 275 | struct list_head vram_list; |
| 276 | struct list_head gart_list; |
| 277 | struct list_head both_list; |
| 278 | }; |
| 279 | |
| 280 | static void |
| 281 | validate_fini_list(struct list_head *list, struct nouveau_fence *fence) |
| 282 | { |
| 283 | struct list_head *entry, *tmp; |
| 284 | struct nouveau_bo *nvbo; |
| 285 | |
| 286 | list_for_each_safe(entry, tmp, list) { |
| 287 | nvbo = list_entry(entry, struct nouveau_bo, entry); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 288 | |
Francisco Jerez | 332b242 | 2010-10-20 23:35:40 +0200 | [diff] [blame] | 289 | nouveau_bo_fence(nvbo, fence); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 290 | |
Ben Skeggs | a1606a9 | 2010-02-12 10:27:35 +1000 | [diff] [blame] | 291 | if (unlikely(nvbo->validate_mapped)) { |
| 292 | ttm_bo_kunmap(&nvbo->kmap); |
| 293 | nvbo->validate_mapped = false; |
| 294 | } |
| 295 | |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 296 | list_del(&nvbo->entry); |
| 297 | nvbo->reserved_by = NULL; |
| 298 | ttm_bo_unreserve(&nvbo->bo); |
Francisco Jerez | 374c3af | 2010-08-29 12:21:16 +0200 | [diff] [blame] | 299 | drm_gem_object_unreference_unlocked(nvbo->gem); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 300 | } |
| 301 | } |
| 302 | |
| 303 | static void |
Luca Barbieri | 234896a | 2010-01-06 04:02:45 +0100 | [diff] [blame] | 304 | validate_fini(struct validate_op *op, struct nouveau_fence* fence) |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 305 | { |
Luca Barbieri | 234896a | 2010-01-06 04:02:45 +0100 | [diff] [blame] | 306 | validate_fini_list(&op->vram_list, fence); |
| 307 | validate_fini_list(&op->gart_list, fence); |
| 308 | validate_fini_list(&op->both_list, fence); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 309 | } |
| 310 | |
| 311 | static int |
| 312 | validate_init(struct nouveau_channel *chan, struct drm_file *file_priv, |
| 313 | struct drm_nouveau_gem_pushbuf_bo *pbbo, |
| 314 | int nr_buffers, struct validate_op *op) |
| 315 | { |
| 316 | struct drm_device *dev = chan->dev; |
| 317 | struct drm_nouveau_private *dev_priv = dev->dev_private; |
| 318 | uint32_t sequence; |
| 319 | int trycnt = 0; |
| 320 | int ret, i; |
| 321 | |
| 322 | sequence = atomic_add_return(1, &dev_priv->ttm.validate_sequence); |
| 323 | retry: |
| 324 | if (++trycnt > 100000) { |
| 325 | NV_ERROR(dev, "%s failed and gave up.\n", __func__); |
| 326 | return -EINVAL; |
| 327 | } |
| 328 | |
| 329 | for (i = 0; i < nr_buffers; i++) { |
| 330 | struct drm_nouveau_gem_pushbuf_bo *b = &pbbo[i]; |
| 331 | struct drm_gem_object *gem; |
| 332 | struct nouveau_bo *nvbo; |
| 333 | |
| 334 | gem = drm_gem_object_lookup(dev, file_priv, b->handle); |
| 335 | if (!gem) { |
| 336 | NV_ERROR(dev, "Unknown handle 0x%08x\n", b->handle); |
| 337 | validate_fini(op, NULL); |
Chris Wilson | bf79cb9 | 2010-08-04 14:19:46 +0100 | [diff] [blame] | 338 | return -ENOENT; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 339 | } |
| 340 | nvbo = gem->driver_private; |
| 341 | |
| 342 | if (nvbo->reserved_by && nvbo->reserved_by == file_priv) { |
| 343 | NV_ERROR(dev, "multiple instances of buffer %d on " |
| 344 | "validation list\n", b->handle); |
Ben Skeggs | 5086f69 | 2012-06-25 18:04:27 +1000 | [diff] [blame^] | 345 | drm_gem_object_unreference_unlocked(gem); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 346 | validate_fini(op, NULL); |
| 347 | return -EINVAL; |
| 348 | } |
| 349 | |
Ben Skeggs | 938c40e | 2010-10-12 09:54:54 +1000 | [diff] [blame] | 350 | ret = ttm_bo_reserve(&nvbo->bo, true, false, true, sequence); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 351 | if (ret) { |
| 352 | validate_fini(op, NULL); |
Ben Skeggs | 938c40e | 2010-10-12 09:54:54 +1000 | [diff] [blame] | 353 | if (unlikely(ret == -EAGAIN)) |
| 354 | ret = ttm_bo_wait_unreserved(&nvbo->bo, true); |
Francisco Jerez | 374c3af | 2010-08-29 12:21:16 +0200 | [diff] [blame] | 355 | drm_gem_object_unreference_unlocked(gem); |
Ben Skeggs | 938c40e | 2010-10-12 09:54:54 +1000 | [diff] [blame] | 356 | if (unlikely(ret)) { |
| 357 | if (ret != -ERESTARTSYS) |
| 358 | NV_ERROR(dev, "fail reserve\n"); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 359 | return ret; |
Ben Skeggs | a1606a9 | 2010-02-12 10:27:35 +1000 | [diff] [blame] | 360 | } |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 361 | goto retry; |
| 362 | } |
| 363 | |
Ben Skeggs | a1606a9 | 2010-02-12 10:27:35 +1000 | [diff] [blame] | 364 | b->user_priv = (uint64_t)(unsigned long)nvbo; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 365 | nvbo->reserved_by = file_priv; |
| 366 | nvbo->pbbo_index = i; |
| 367 | if ((b->valid_domains & NOUVEAU_GEM_DOMAIN_VRAM) && |
| 368 | (b->valid_domains & NOUVEAU_GEM_DOMAIN_GART)) |
| 369 | list_add_tail(&nvbo->entry, &op->both_list); |
| 370 | else |
| 371 | if (b->valid_domains & NOUVEAU_GEM_DOMAIN_VRAM) |
| 372 | list_add_tail(&nvbo->entry, &op->vram_list); |
| 373 | else |
| 374 | if (b->valid_domains & NOUVEAU_GEM_DOMAIN_GART) |
| 375 | list_add_tail(&nvbo->entry, &op->gart_list); |
| 376 | else { |
| 377 | NV_ERROR(dev, "invalid valid domains: 0x%08x\n", |
| 378 | b->valid_domains); |
Ben Skeggs | 0208843 | 2010-01-21 15:03:23 +1000 | [diff] [blame] | 379 | list_add_tail(&nvbo->entry, &op->both_list); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 380 | validate_fini(op, NULL); |
| 381 | return -EINVAL; |
| 382 | } |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 383 | } |
| 384 | |
| 385 | return 0; |
| 386 | } |
| 387 | |
| 388 | static int |
Ben Skeggs | 525895b | 2012-01-10 10:18:28 +1000 | [diff] [blame] | 389 | validate_sync(struct nouveau_channel *chan, struct nouveau_bo *nvbo) |
| 390 | { |
| 391 | struct nouveau_fence *fence = NULL; |
| 392 | int ret = 0; |
| 393 | |
| 394 | spin_lock(&nvbo->bo.bdev->fence_lock); |
| 395 | if (nvbo->bo.sync_obj) |
| 396 | fence = nouveau_fence_ref(nvbo->bo.sync_obj); |
| 397 | spin_unlock(&nvbo->bo.bdev->fence_lock); |
| 398 | |
| 399 | if (fence) { |
| 400 | ret = nouveau_fence_sync(fence, chan); |
| 401 | nouveau_fence_unref(&fence); |
| 402 | } |
| 403 | |
| 404 | return ret; |
| 405 | } |
| 406 | |
| 407 | static int |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 408 | validate_list(struct nouveau_channel *chan, struct list_head *list, |
| 409 | struct drm_nouveau_gem_pushbuf_bo *pbbo, uint64_t user_pbbo_ptr) |
| 410 | { |
Ben Skeggs | a3fcd0a | 2011-06-07 11:12:39 +1000 | [diff] [blame] | 411 | struct drm_nouveau_private *dev_priv = chan->dev->dev_private; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 412 | struct drm_nouveau_gem_pushbuf_bo __user *upbbo = |
| 413 | (void __force __user *)(uintptr_t)user_pbbo_ptr; |
Ben Skeggs | a1606a9 | 2010-02-12 10:27:35 +1000 | [diff] [blame] | 414 | struct drm_device *dev = chan->dev; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 415 | struct nouveau_bo *nvbo; |
| 416 | int ret, relocs = 0; |
| 417 | |
| 418 | list_for_each_entry(nvbo, list, entry) { |
| 419 | struct drm_nouveau_gem_pushbuf_bo *b = &pbbo[nvbo->pbbo_index]; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 420 | |
Ben Skeggs | 525895b | 2012-01-10 10:18:28 +1000 | [diff] [blame] | 421 | ret = validate_sync(chan, nvbo); |
Ben Skeggs | 415e618 | 2010-07-23 09:06:52 +1000 | [diff] [blame] | 422 | if (unlikely(ret)) { |
| 423 | NV_ERROR(dev, "fail pre-validate sync\n"); |
| 424 | return ret; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 425 | } |
| 426 | |
| 427 | ret = nouveau_gem_set_domain(nvbo->gem, b->read_domains, |
| 428 | b->write_domains, |
| 429 | b->valid_domains); |
Ben Skeggs | a1606a9 | 2010-02-12 10:27:35 +1000 | [diff] [blame] | 430 | if (unlikely(ret)) { |
| 431 | NV_ERROR(dev, "fail set_domain\n"); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 432 | return ret; |
Ben Skeggs | a1606a9 | 2010-02-12 10:27:35 +1000 | [diff] [blame] | 433 | } |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 434 | |
Ben Skeggs | 7a45d76 | 2010-11-22 08:50:27 +1000 | [diff] [blame] | 435 | ret = nouveau_bo_validate(nvbo, true, false, false); |
Ben Skeggs | a1606a9 | 2010-02-12 10:27:35 +1000 | [diff] [blame] | 436 | if (unlikely(ret)) { |
Ben Skeggs | 938c40e | 2010-10-12 09:54:54 +1000 | [diff] [blame] | 437 | if (ret != -ERESTARTSYS) |
| 438 | NV_ERROR(dev, "fail ttm_validate\n"); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 439 | return ret; |
Ben Skeggs | a1606a9 | 2010-02-12 10:27:35 +1000 | [diff] [blame] | 440 | } |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 441 | |
Ben Skeggs | 525895b | 2012-01-10 10:18:28 +1000 | [diff] [blame] | 442 | ret = validate_sync(chan, nvbo); |
Ben Skeggs | 415e618 | 2010-07-23 09:06:52 +1000 | [diff] [blame] | 443 | if (unlikely(ret)) { |
| 444 | NV_ERROR(dev, "fail post-validate sync\n"); |
| 445 | return ret; |
| 446 | } |
| 447 | |
Ben Skeggs | a3fcd0a | 2011-06-07 11:12:39 +1000 | [diff] [blame] | 448 | if (dev_priv->card_type < NV_50) { |
| 449 | if (nvbo->bo.offset == b->presumed.offset && |
| 450 | ((nvbo->bo.mem.mem_type == TTM_PL_VRAM && |
| 451 | b->presumed.domain & NOUVEAU_GEM_DOMAIN_VRAM) || |
| 452 | (nvbo->bo.mem.mem_type == TTM_PL_TT && |
| 453 | b->presumed.domain & NOUVEAU_GEM_DOMAIN_GART))) |
| 454 | continue; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 455 | |
Ben Skeggs | a3fcd0a | 2011-06-07 11:12:39 +1000 | [diff] [blame] | 456 | if (nvbo->bo.mem.mem_type == TTM_PL_TT) |
| 457 | b->presumed.domain = NOUVEAU_GEM_DOMAIN_GART; |
| 458 | else |
| 459 | b->presumed.domain = NOUVEAU_GEM_DOMAIN_VRAM; |
| 460 | b->presumed.offset = nvbo->bo.offset; |
| 461 | b->presumed.valid = 0; |
| 462 | relocs++; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 463 | |
Ben Skeggs | a3fcd0a | 2011-06-07 11:12:39 +1000 | [diff] [blame] | 464 | if (DRM_COPY_TO_USER(&upbbo[nvbo->pbbo_index].presumed, |
| 465 | &b->presumed, sizeof(b->presumed))) |
| 466 | return -EFAULT; |
| 467 | } |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 468 | } |
| 469 | |
| 470 | return relocs; |
| 471 | } |
| 472 | |
| 473 | static int |
| 474 | nouveau_gem_pushbuf_validate(struct nouveau_channel *chan, |
| 475 | struct drm_file *file_priv, |
| 476 | struct drm_nouveau_gem_pushbuf_bo *pbbo, |
| 477 | uint64_t user_buffers, int nr_buffers, |
| 478 | struct validate_op *op, int *apply_relocs) |
| 479 | { |
Ben Skeggs | a1606a9 | 2010-02-12 10:27:35 +1000 | [diff] [blame] | 480 | struct drm_device *dev = chan->dev; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 481 | int ret, relocs = 0; |
| 482 | |
| 483 | INIT_LIST_HEAD(&op->vram_list); |
| 484 | INIT_LIST_HEAD(&op->gart_list); |
| 485 | INIT_LIST_HEAD(&op->both_list); |
| 486 | |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 487 | if (nr_buffers == 0) |
| 488 | return 0; |
| 489 | |
| 490 | ret = validate_init(chan, file_priv, pbbo, nr_buffers, op); |
Ben Skeggs | a1606a9 | 2010-02-12 10:27:35 +1000 | [diff] [blame] | 491 | if (unlikely(ret)) { |
Ben Skeggs | 938c40e | 2010-10-12 09:54:54 +1000 | [diff] [blame] | 492 | if (ret != -ERESTARTSYS) |
| 493 | NV_ERROR(dev, "validate_init\n"); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 494 | return ret; |
Ben Skeggs | a1606a9 | 2010-02-12 10:27:35 +1000 | [diff] [blame] | 495 | } |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 496 | |
| 497 | ret = validate_list(chan, &op->vram_list, pbbo, user_buffers); |
| 498 | if (unlikely(ret < 0)) { |
Ben Skeggs | 938c40e | 2010-10-12 09:54:54 +1000 | [diff] [blame] | 499 | if (ret != -ERESTARTSYS) |
| 500 | NV_ERROR(dev, "validate vram_list\n"); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 501 | validate_fini(op, NULL); |
| 502 | return ret; |
| 503 | } |
| 504 | relocs += ret; |
| 505 | |
| 506 | ret = validate_list(chan, &op->gart_list, pbbo, user_buffers); |
| 507 | if (unlikely(ret < 0)) { |
Ben Skeggs | 938c40e | 2010-10-12 09:54:54 +1000 | [diff] [blame] | 508 | if (ret != -ERESTARTSYS) |
| 509 | NV_ERROR(dev, "validate gart_list\n"); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 510 | validate_fini(op, NULL); |
| 511 | return ret; |
| 512 | } |
| 513 | relocs += ret; |
| 514 | |
| 515 | ret = validate_list(chan, &op->both_list, pbbo, user_buffers); |
| 516 | if (unlikely(ret < 0)) { |
Ben Skeggs | 938c40e | 2010-10-12 09:54:54 +1000 | [diff] [blame] | 517 | if (ret != -ERESTARTSYS) |
| 518 | NV_ERROR(dev, "validate both_list\n"); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 519 | validate_fini(op, NULL); |
| 520 | return ret; |
| 521 | } |
| 522 | relocs += ret; |
| 523 | |
| 524 | *apply_relocs = relocs; |
| 525 | return 0; |
| 526 | } |
| 527 | |
| 528 | static inline void * |
| 529 | u_memcpya(uint64_t user, unsigned nmemb, unsigned size) |
| 530 | { |
| 531 | void *mem; |
| 532 | void __user *userptr = (void __force __user *)(uintptr_t)user; |
| 533 | |
| 534 | mem = kmalloc(nmemb * size, GFP_KERNEL); |
| 535 | if (!mem) |
| 536 | return ERR_PTR(-ENOMEM); |
| 537 | |
| 538 | if (DRM_COPY_FROM_USER(mem, userptr, nmemb * size)) { |
| 539 | kfree(mem); |
| 540 | return ERR_PTR(-EFAULT); |
| 541 | } |
| 542 | |
| 543 | return mem; |
| 544 | } |
| 545 | |
| 546 | static int |
Ben Skeggs | a1606a9 | 2010-02-12 10:27:35 +1000 | [diff] [blame] | 547 | nouveau_gem_pushbuf_reloc_apply(struct drm_device *dev, |
| 548 | struct drm_nouveau_gem_pushbuf *req, |
| 549 | struct drm_nouveau_gem_pushbuf_bo *bo) |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 550 | { |
| 551 | struct drm_nouveau_gem_pushbuf_reloc *reloc = NULL; |
Luca Barbieri | 12f735b | 2010-01-10 20:10:53 +0100 | [diff] [blame] | 552 | int ret = 0; |
| 553 | unsigned i; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 554 | |
Ben Skeggs | a1606a9 | 2010-02-12 10:27:35 +1000 | [diff] [blame] | 555 | reloc = u_memcpya(req->relocs, req->nr_relocs, sizeof(*reloc)); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 556 | if (IS_ERR(reloc)) |
| 557 | return PTR_ERR(reloc); |
| 558 | |
Ben Skeggs | a1606a9 | 2010-02-12 10:27:35 +1000 | [diff] [blame] | 559 | for (i = 0; i < req->nr_relocs; i++) { |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 560 | struct drm_nouveau_gem_pushbuf_reloc *r = &reloc[i]; |
| 561 | struct drm_nouveau_gem_pushbuf_bo *b; |
Ben Skeggs | a1606a9 | 2010-02-12 10:27:35 +1000 | [diff] [blame] | 562 | struct nouveau_bo *nvbo; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 563 | uint32_t data; |
| 564 | |
Ben Skeggs | a1606a9 | 2010-02-12 10:27:35 +1000 | [diff] [blame] | 565 | if (unlikely(r->bo_index > req->nr_buffers)) { |
| 566 | NV_ERROR(dev, "reloc bo index invalid\n"); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 567 | ret = -EINVAL; |
| 568 | break; |
| 569 | } |
| 570 | |
| 571 | b = &bo[r->bo_index]; |
Ben Skeggs | a1606a9 | 2010-02-12 10:27:35 +1000 | [diff] [blame] | 572 | if (b->presumed.valid) |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 573 | continue; |
| 574 | |
Ben Skeggs | a1606a9 | 2010-02-12 10:27:35 +1000 | [diff] [blame] | 575 | if (unlikely(r->reloc_bo_index > req->nr_buffers)) { |
| 576 | NV_ERROR(dev, "reloc container bo index invalid\n"); |
| 577 | ret = -EINVAL; |
| 578 | break; |
| 579 | } |
| 580 | nvbo = (void *)(unsigned long)bo[r->reloc_bo_index].user_priv; |
| 581 | |
| 582 | if (unlikely(r->reloc_bo_offset + 4 > |
| 583 | nvbo->bo.mem.num_pages << PAGE_SHIFT)) { |
| 584 | NV_ERROR(dev, "reloc outside of bo\n"); |
| 585 | ret = -EINVAL; |
| 586 | break; |
| 587 | } |
| 588 | |
| 589 | if (!nvbo->kmap.virtual) { |
| 590 | ret = ttm_bo_kmap(&nvbo->bo, 0, nvbo->bo.mem.num_pages, |
| 591 | &nvbo->kmap); |
| 592 | if (ret) { |
| 593 | NV_ERROR(dev, "failed kmap for reloc\n"); |
| 594 | break; |
| 595 | } |
| 596 | nvbo->validate_mapped = true; |
| 597 | } |
| 598 | |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 599 | if (r->flags & NOUVEAU_GEM_RELOC_LOW) |
Ben Skeggs | a1606a9 | 2010-02-12 10:27:35 +1000 | [diff] [blame] | 600 | data = b->presumed.offset + r->data; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 601 | else |
| 602 | if (r->flags & NOUVEAU_GEM_RELOC_HIGH) |
Ben Skeggs | a1606a9 | 2010-02-12 10:27:35 +1000 | [diff] [blame] | 603 | data = (b->presumed.offset + r->data) >> 32; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 604 | else |
| 605 | data = r->data; |
| 606 | |
| 607 | if (r->flags & NOUVEAU_GEM_RELOC_OR) { |
Ben Skeggs | a1606a9 | 2010-02-12 10:27:35 +1000 | [diff] [blame] | 608 | if (b->presumed.domain == NOUVEAU_GEM_DOMAIN_GART) |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 609 | data |= r->tor; |
| 610 | else |
| 611 | data |= r->vor; |
| 612 | } |
| 613 | |
Thomas Hellstrom | 702adba | 2010-11-17 12:28:29 +0000 | [diff] [blame] | 614 | spin_lock(&nvbo->bo.bdev->fence_lock); |
Ben Skeggs | a1606a9 | 2010-02-12 10:27:35 +1000 | [diff] [blame] | 615 | ret = ttm_bo_wait(&nvbo->bo, false, false, false); |
Thomas Hellstrom | 702adba | 2010-11-17 12:28:29 +0000 | [diff] [blame] | 616 | spin_unlock(&nvbo->bo.bdev->fence_lock); |
Ben Skeggs | a1606a9 | 2010-02-12 10:27:35 +1000 | [diff] [blame] | 617 | if (ret) { |
| 618 | NV_ERROR(dev, "reloc wait_idle failed: %d\n", ret); |
| 619 | break; |
| 620 | } |
Ben Skeggs | a1606a9 | 2010-02-12 10:27:35 +1000 | [diff] [blame] | 621 | |
| 622 | nouveau_bo_wr32(nvbo, r->reloc_bo_offset >> 2, data); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 623 | } |
| 624 | |
| 625 | kfree(reloc); |
| 626 | return ret; |
| 627 | } |
| 628 | |
| 629 | int |
| 630 | nouveau_gem_ioctl_pushbuf(struct drm_device *dev, void *data, |
| 631 | struct drm_file *file_priv) |
| 632 | { |
Ben Skeggs | a1606a9 | 2010-02-12 10:27:35 +1000 | [diff] [blame] | 633 | struct drm_nouveau_private *dev_priv = dev->dev_private; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 634 | struct drm_nouveau_gem_pushbuf *req = data; |
Ben Skeggs | a1606a9 | 2010-02-12 10:27:35 +1000 | [diff] [blame] | 635 | struct drm_nouveau_gem_pushbuf_push *push; |
| 636 | struct drm_nouveau_gem_pushbuf_bo *bo; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 637 | struct nouveau_channel *chan; |
| 638 | struct validate_op op; |
Francisco Jerez | 6e86e04 | 2010-07-03 18:36:39 +0200 | [diff] [blame] | 639 | struct nouveau_fence *fence = NULL; |
Ben Skeggs | a1606a9 | 2010-02-12 10:27:35 +1000 | [diff] [blame] | 640 | int i, j, ret = 0, do_reloc = 0; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 641 | |
Ben Skeggs | e8a863c | 2011-06-01 19:18:48 +1000 | [diff] [blame] | 642 | chan = nouveau_channel_get(file_priv, req->channel); |
Ben Skeggs | cff5c13 | 2010-10-06 16:16:59 +1000 | [diff] [blame] | 643 | if (IS_ERR(chan)) |
| 644 | return PTR_ERR(chan); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 645 | |
Ben Skeggs | a1606a9 | 2010-02-12 10:27:35 +1000 | [diff] [blame] | 646 | req->vram_available = dev_priv->fb_aper_free; |
| 647 | req->gart_available = dev_priv->gart_info.aper_free; |
| 648 | if (unlikely(req->nr_push == 0)) |
| 649 | goto out_next; |
| 650 | |
| 651 | if (unlikely(req->nr_push > NOUVEAU_GEM_MAX_PUSH)) { |
| 652 | NV_ERROR(dev, "pushbuf push count exceeds limit: %d max %d\n", |
| 653 | req->nr_push, NOUVEAU_GEM_MAX_PUSH); |
Ben Skeggs | cff5c13 | 2010-10-06 16:16:59 +1000 | [diff] [blame] | 654 | nouveau_channel_put(&chan); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 655 | return -EINVAL; |
| 656 | } |
| 657 | |
Ben Skeggs | a1606a9 | 2010-02-12 10:27:35 +1000 | [diff] [blame] | 658 | if (unlikely(req->nr_buffers > NOUVEAU_GEM_MAX_BUFFERS)) { |
| 659 | NV_ERROR(dev, "pushbuf bo count exceeds limit: %d max %d\n", |
| 660 | req->nr_buffers, NOUVEAU_GEM_MAX_BUFFERS); |
Ben Skeggs | cff5c13 | 2010-10-06 16:16:59 +1000 | [diff] [blame] | 661 | nouveau_channel_put(&chan); |
Ben Skeggs | a1606a9 | 2010-02-12 10:27:35 +1000 | [diff] [blame] | 662 | return -EINVAL; |
| 663 | } |
| 664 | |
| 665 | if (unlikely(req->nr_relocs > NOUVEAU_GEM_MAX_RELOCS)) { |
| 666 | NV_ERROR(dev, "pushbuf reloc count exceeds limit: %d max %d\n", |
| 667 | req->nr_relocs, NOUVEAU_GEM_MAX_RELOCS); |
Ben Skeggs | cff5c13 | 2010-10-06 16:16:59 +1000 | [diff] [blame] | 668 | nouveau_channel_put(&chan); |
Ben Skeggs | a1606a9 | 2010-02-12 10:27:35 +1000 | [diff] [blame] | 669 | return -EINVAL; |
| 670 | } |
| 671 | |
| 672 | push = u_memcpya(req->push, req->nr_push, sizeof(*push)); |
Ben Skeggs | cff5c13 | 2010-10-06 16:16:59 +1000 | [diff] [blame] | 673 | if (IS_ERR(push)) { |
| 674 | nouveau_channel_put(&chan); |
Ben Skeggs | a1606a9 | 2010-02-12 10:27:35 +1000 | [diff] [blame] | 675 | return PTR_ERR(push); |
Ben Skeggs | cff5c13 | 2010-10-06 16:16:59 +1000 | [diff] [blame] | 676 | } |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 677 | |
| 678 | bo = u_memcpya(req->buffers, req->nr_buffers, sizeof(*bo)); |
| 679 | if (IS_ERR(bo)) { |
Ben Skeggs | a1606a9 | 2010-02-12 10:27:35 +1000 | [diff] [blame] | 680 | kfree(push); |
Ben Skeggs | cff5c13 | 2010-10-06 16:16:59 +1000 | [diff] [blame] | 681 | nouveau_channel_put(&chan); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 682 | return PTR_ERR(bo); |
| 683 | } |
| 684 | |
Ben Skeggs | accf949 | 2012-03-16 12:40:17 +1000 | [diff] [blame] | 685 | /* Ensure all push buffers are on validate list */ |
Ben Skeggs | 415e618 | 2010-07-23 09:06:52 +1000 | [diff] [blame] | 686 | for (i = 0; i < req->nr_push; i++) { |
| 687 | if (push[i].bo_index >= req->nr_buffers) { |
| 688 | NV_ERROR(dev, "push %d buffer not in list\n", i); |
| 689 | ret = -EINVAL; |
Marcin Slusarz | 7fa0cba2 | 2011-03-07 12:31:35 +0100 | [diff] [blame] | 690 | goto out_prevalid; |
Ben Skeggs | 415e618 | 2010-07-23 09:06:52 +1000 | [diff] [blame] | 691 | } |
Ben Skeggs | 415e618 | 2010-07-23 09:06:52 +1000 | [diff] [blame] | 692 | } |
| 693 | |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 694 | /* Validate buffer list */ |
| 695 | ret = nouveau_gem_pushbuf_validate(chan, file_priv, bo, req->buffers, |
| 696 | req->nr_buffers, &op, &do_reloc); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 697 | if (ret) { |
Ben Skeggs | 938c40e | 2010-10-12 09:54:54 +1000 | [diff] [blame] | 698 | if (ret != -ERESTARTSYS) |
| 699 | NV_ERROR(dev, "validate: %d\n", ret); |
Marcin Slusarz | 7fa0cba2 | 2011-03-07 12:31:35 +0100 | [diff] [blame] | 700 | goto out_prevalid; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 701 | } |
| 702 | |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 703 | /* Apply any relocations that are required */ |
| 704 | if (do_reloc) { |
Ben Skeggs | a1606a9 | 2010-02-12 10:27:35 +1000 | [diff] [blame] | 705 | ret = nouveau_gem_pushbuf_reloc_apply(dev, req, bo); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 706 | if (ret) { |
| 707 | NV_ERROR(dev, "reloc apply: %d\n", ret); |
| 708 | goto out; |
| 709 | } |
| 710 | } |
| 711 | |
Ben Skeggs | 9a391ad | 2010-02-11 16:37:26 +1000 | [diff] [blame] | 712 | if (chan->dma.ib_max) { |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 713 | ret = nouveau_dma_wait(chan, req->nr_push + 1, 16); |
Ben Skeggs | 9a391ad | 2010-02-11 16:37:26 +1000 | [diff] [blame] | 714 | if (ret) { |
| 715 | NV_INFO(dev, "nv50cal_space: %d\n", ret); |
| 716 | goto out; |
| 717 | } |
| 718 | |
Ben Skeggs | a1606a9 | 2010-02-12 10:27:35 +1000 | [diff] [blame] | 719 | for (i = 0; i < req->nr_push; i++) { |
| 720 | struct nouveau_bo *nvbo = (void *)(unsigned long) |
| 721 | bo[push[i].bo_index].user_priv; |
| 722 | |
| 723 | nv50_dma_push(chan, nvbo, push[i].offset, |
| 724 | push[i].length); |
| 725 | } |
Ben Skeggs | 9a391ad | 2010-02-11 16:37:26 +1000 | [diff] [blame] | 726 | } else |
Francisco Jerez | ee508b8 | 2010-08-25 12:54:53 +0200 | [diff] [blame] | 727 | if (dev_priv->chipset >= 0x25) { |
Ben Skeggs | a1606a9 | 2010-02-12 10:27:35 +1000 | [diff] [blame] | 728 | ret = RING_SPACE(chan, req->nr_push * 2); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 729 | if (ret) { |
| 730 | NV_ERROR(dev, "cal_space: %d\n", ret); |
| 731 | goto out; |
| 732 | } |
Ben Skeggs | a1606a9 | 2010-02-12 10:27:35 +1000 | [diff] [blame] | 733 | |
| 734 | for (i = 0; i < req->nr_push; i++) { |
| 735 | struct nouveau_bo *nvbo = (void *)(unsigned long) |
| 736 | bo[push[i].bo_index].user_priv; |
| 737 | struct drm_mm_node *mem = nvbo->bo.mem.mm_node; |
| 738 | |
| 739 | OUT_RING(chan, ((mem->start << PAGE_SHIFT) + |
| 740 | push[i].offset) | 2); |
| 741 | OUT_RING(chan, 0); |
| 742 | } |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 743 | } else { |
Ben Skeggs | a1606a9 | 2010-02-12 10:27:35 +1000 | [diff] [blame] | 744 | ret = RING_SPACE(chan, req->nr_push * (2 + NOUVEAU_DMA_SKIPS)); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 745 | if (ret) { |
| 746 | NV_ERROR(dev, "jmp_space: %d\n", ret); |
| 747 | goto out; |
| 748 | } |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 749 | |
Ben Skeggs | a1606a9 | 2010-02-12 10:27:35 +1000 | [diff] [blame] | 750 | for (i = 0; i < req->nr_push; i++) { |
| 751 | struct nouveau_bo *nvbo = (void *)(unsigned long) |
| 752 | bo[push[i].bo_index].user_priv; |
| 753 | struct drm_mm_node *mem = nvbo->bo.mem.mm_node; |
| 754 | uint32_t cmd; |
| 755 | |
| 756 | cmd = chan->pushbuf_base + ((chan->dma.cur + 2) << 2); |
| 757 | cmd |= 0x20000000; |
| 758 | if (unlikely(cmd != req->suffix0)) { |
| 759 | if (!nvbo->kmap.virtual) { |
| 760 | ret = ttm_bo_kmap(&nvbo->bo, 0, |
| 761 | nvbo->bo.mem. |
| 762 | num_pages, |
| 763 | &nvbo->kmap); |
| 764 | if (ret) { |
| 765 | WIND_RING(chan); |
| 766 | goto out; |
| 767 | } |
| 768 | nvbo->validate_mapped = true; |
| 769 | } |
| 770 | |
| 771 | nouveau_bo_wr32(nvbo, (push[i].offset + |
| 772 | push[i].length - 8) / 4, cmd); |
| 773 | } |
| 774 | |
| 775 | OUT_RING(chan, ((mem->start << PAGE_SHIFT) + |
| 776 | push[i].offset) | 0x20000000); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 777 | OUT_RING(chan, 0); |
Ben Skeggs | a1606a9 | 2010-02-12 10:27:35 +1000 | [diff] [blame] | 778 | for (j = 0; j < NOUVEAU_DMA_SKIPS; j++) |
| 779 | OUT_RING(chan, 0); |
| 780 | } |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 781 | } |
| 782 | |
Ben Skeggs | d375e7d5 | 2012-04-30 13:30:00 +1000 | [diff] [blame] | 783 | ret = nouveau_fence_new(chan, &fence); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 784 | if (ret) { |
| 785 | NV_ERROR(dev, "error fencing pushbuf: %d\n", ret); |
| 786 | WIND_RING(chan); |
| 787 | goto out; |
| 788 | } |
| 789 | |
| 790 | out: |
Luca Barbieri | 234896a | 2010-01-06 04:02:45 +0100 | [diff] [blame] | 791 | validate_fini(&op, fence); |
Marcin Slusarz | 382d62e | 2010-10-20 21:50:24 +0200 | [diff] [blame] | 792 | nouveau_fence_unref(&fence); |
Marcin Slusarz | 7fa0cba2 | 2011-03-07 12:31:35 +0100 | [diff] [blame] | 793 | |
| 794 | out_prevalid: |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 795 | kfree(bo); |
Ben Skeggs | a1606a9 | 2010-02-12 10:27:35 +1000 | [diff] [blame] | 796 | kfree(push); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 797 | |
| 798 | out_next: |
Ben Skeggs | 9a391ad | 2010-02-11 16:37:26 +1000 | [diff] [blame] | 799 | if (chan->dma.ib_max) { |
| 800 | req->suffix0 = 0x00000000; |
| 801 | req->suffix1 = 0x00000000; |
| 802 | } else |
Francisco Jerez | ee508b8 | 2010-08-25 12:54:53 +0200 | [diff] [blame] | 803 | if (dev_priv->chipset >= 0x25) { |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 804 | req->suffix0 = 0x00020000; |
| 805 | req->suffix1 = 0x00000000; |
| 806 | } else { |
| 807 | req->suffix0 = 0x20000000 | |
| 808 | (chan->pushbuf_base + ((chan->dma.cur + 2) << 2)); |
| 809 | req->suffix1 = 0x00000000; |
| 810 | } |
| 811 | |
Ben Skeggs | cff5c13 | 2010-10-06 16:16:59 +1000 | [diff] [blame] | 812 | nouveau_channel_put(&chan); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 813 | return ret; |
| 814 | } |
| 815 | |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 816 | static inline uint32_t |
| 817 | domain_to_ttm(struct nouveau_bo *nvbo, uint32_t domain) |
| 818 | { |
| 819 | uint32_t flags = 0; |
| 820 | |
| 821 | if (domain & NOUVEAU_GEM_DOMAIN_VRAM) |
| 822 | flags |= TTM_PL_FLAG_VRAM; |
| 823 | if (domain & NOUVEAU_GEM_DOMAIN_GART) |
| 824 | flags |= TTM_PL_FLAG_TT; |
| 825 | |
| 826 | return flags; |
| 827 | } |
| 828 | |
| 829 | int |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 830 | nouveau_gem_ioctl_cpu_prep(struct drm_device *dev, void *data, |
| 831 | struct drm_file *file_priv) |
| 832 | { |
| 833 | struct drm_nouveau_gem_cpu_prep *req = data; |
| 834 | struct drm_gem_object *gem; |
| 835 | struct nouveau_bo *nvbo; |
| 836 | bool no_wait = !!(req->flags & NOUVEAU_GEM_CPU_PREP_NOWAIT); |
| 837 | int ret = -EINVAL; |
| 838 | |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 839 | gem = drm_gem_object_lookup(dev, file_priv, req->handle); |
| 840 | if (!gem) |
Chris Wilson | bf79cb9 | 2010-08-04 14:19:46 +0100 | [diff] [blame] | 841 | return -ENOENT; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 842 | nvbo = nouveau_gem_object(gem); |
| 843 | |
Ben Skeggs | 21e86c1 | 2010-10-11 11:48:45 +1000 | [diff] [blame] | 844 | spin_lock(&nvbo->bo.bdev->fence_lock); |
| 845 | ret = ttm_bo_wait(&nvbo->bo, true, true, no_wait); |
| 846 | spin_unlock(&nvbo->bo.bdev->fence_lock); |
Luca Barbieri | bc9025b | 2010-02-09 05:49:12 +0000 | [diff] [blame] | 847 | drm_gem_object_unreference_unlocked(gem); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 848 | return ret; |
| 849 | } |
| 850 | |
| 851 | int |
| 852 | nouveau_gem_ioctl_cpu_fini(struct drm_device *dev, void *data, |
| 853 | struct drm_file *file_priv) |
| 854 | { |
Ben Skeggs | 21e86c1 | 2010-10-11 11:48:45 +1000 | [diff] [blame] | 855 | return 0; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 856 | } |
| 857 | |
| 858 | int |
| 859 | nouveau_gem_ioctl_info(struct drm_device *dev, void *data, |
| 860 | struct drm_file *file_priv) |
| 861 | { |
| 862 | struct drm_nouveau_gem_info *req = data; |
| 863 | struct drm_gem_object *gem; |
| 864 | int ret; |
| 865 | |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 866 | gem = drm_gem_object_lookup(dev, file_priv, req->handle); |
| 867 | if (!gem) |
Chris Wilson | bf79cb9 | 2010-08-04 14:19:46 +0100 | [diff] [blame] | 868 | return -ENOENT; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 869 | |
Ben Skeggs | e758a31 | 2011-06-07 13:28:11 +1000 | [diff] [blame] | 870 | ret = nouveau_gem_info(file_priv, gem, req); |
Luca Barbieri | bc9025b | 2010-02-09 05:49:12 +0000 | [diff] [blame] | 871 | drm_gem_object_unreference_unlocked(gem); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 872 | return ret; |
| 873 | } |
| 874 | |