Thomas Hellstrom | 543831c | 2012-11-20 12:19:36 +0000 | [diff] [blame] | 1 | /************************************************************************** |
| 2 | * |
Sinclair Yeh | 54fbde8 | 2015-07-29 12:38:02 -0700 | [diff] [blame] | 3 | * Copyright © 2009-2015 VMware, Inc., Palo Alto, CA., USA |
Thomas Hellstrom | 543831c | 2012-11-20 12:19:36 +0000 | [diff] [blame] | 4 | * All Rights Reserved. |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 7 | * copy of this software and associated documentation files (the |
| 8 | * "Software"), to deal in the Software without restriction, including |
| 9 | * without limitation the rights to use, copy, modify, merge, publish, |
| 10 | * distribute, sub license, and/or sell copies of the Software, and to |
| 11 | * permit persons to whom the Software is furnished to do so, subject to |
| 12 | * the following conditions: |
| 13 | * |
| 14 | * The above copyright notice and this permission notice (including the |
| 15 | * next paragraph) shall be included in all copies or substantial portions |
| 16 | * of the Software. |
| 17 | * |
| 18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 19 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 20 | * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
| 21 | * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, |
| 22 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
| 23 | * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
| 24 | * USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 25 | * |
| 26 | **************************************************************************/ |
| 27 | |
| 28 | #include "vmwgfx_drv.h" |
| 29 | #include "vmwgfx_resource_priv.h" |
Thomas Hellstrom | d80efd5 | 2015-08-10 10:39:35 -0700 | [diff] [blame] | 30 | #include "vmwgfx_binding.h" |
Thomas Hellstrom | 543831c | 2012-11-20 12:19:36 +0000 | [diff] [blame] | 31 | #include "ttm/ttm_placement.h" |
| 32 | |
| 33 | struct vmw_user_context { |
| 34 | struct ttm_base_object base; |
| 35 | struct vmw_resource res; |
Thomas Hellstrom | d80efd5 | 2015-08-10 10:39:35 -0700 | [diff] [blame] | 36 | struct vmw_ctx_binding_state *cbs; |
Thomas Hellstrom | 18e4a46 | 2014-06-09 12:39:22 +0200 | [diff] [blame] | 37 | struct vmw_cmdbuf_res_manager *man; |
Thomas Hellstrom | d80efd5 | 2015-08-10 10:39:35 -0700 | [diff] [blame] | 38 | struct vmw_resource *cotables[SVGA_COTABLE_DX10_MAX]; |
| 39 | spinlock_t cotable_lock; |
Charmaine Lee | 2f633e5 | 2015-08-10 10:45:11 -0700 | [diff] [blame] | 40 | struct vmw_dma_buffer *dx_query_mob; |
Thomas Hellstrom | 543831c | 2012-11-20 12:19:36 +0000 | [diff] [blame] | 41 | }; |
| 42 | |
| 43 | static void vmw_user_context_free(struct vmw_resource *res); |
| 44 | static struct vmw_resource * |
| 45 | vmw_user_context_base_to_res(struct ttm_base_object *base); |
| 46 | |
Thomas Hellstrom | 58a0c5f | 2012-11-21 11:36:36 +0100 | [diff] [blame] | 47 | static int vmw_gb_context_create(struct vmw_resource *res); |
| 48 | static int vmw_gb_context_bind(struct vmw_resource *res, |
| 49 | struct ttm_validate_buffer *val_buf); |
| 50 | static int vmw_gb_context_unbind(struct vmw_resource *res, |
| 51 | bool readback, |
| 52 | struct ttm_validate_buffer *val_buf); |
| 53 | static int vmw_gb_context_destroy(struct vmw_resource *res); |
Thomas Hellstrom | d80efd5 | 2015-08-10 10:39:35 -0700 | [diff] [blame] | 54 | static int vmw_dx_context_create(struct vmw_resource *res); |
| 55 | static int vmw_dx_context_bind(struct vmw_resource *res, |
| 56 | struct ttm_validate_buffer *val_buf); |
| 57 | static int vmw_dx_context_unbind(struct vmw_resource *res, |
| 58 | bool readback, |
| 59 | struct ttm_validate_buffer *val_buf); |
| 60 | static int vmw_dx_context_destroy(struct vmw_resource *res); |
| 61 | |
Thomas Hellstrom | 543831c | 2012-11-20 12:19:36 +0000 | [diff] [blame] | 62 | static uint64_t vmw_user_context_size; |
| 63 | |
| 64 | static const struct vmw_user_resource_conv user_context_conv = { |
| 65 | .object_type = VMW_RES_CONTEXT, |
| 66 | .base_obj_to_res = vmw_user_context_base_to_res, |
| 67 | .res_free = vmw_user_context_free |
| 68 | }; |
| 69 | |
| 70 | const struct vmw_user_resource_conv *user_context_converter = |
| 71 | &user_context_conv; |
| 72 | |
| 73 | |
| 74 | static const struct vmw_res_func vmw_legacy_context_func = { |
| 75 | .res_type = vmw_res_context, |
| 76 | .needs_backup = false, |
| 77 | .may_evict = false, |
| 78 | .type_name = "legacy contexts", |
| 79 | .backup_placement = NULL, |
| 80 | .create = NULL, |
| 81 | .destroy = NULL, |
| 82 | .bind = NULL, |
| 83 | .unbind = NULL |
| 84 | }; |
| 85 | |
Thomas Hellstrom | 58a0c5f | 2012-11-21 11:36:36 +0100 | [diff] [blame] | 86 | static const struct vmw_res_func vmw_gb_context_func = { |
| 87 | .res_type = vmw_res_context, |
| 88 | .needs_backup = true, |
| 89 | .may_evict = true, |
| 90 | .type_name = "guest backed contexts", |
| 91 | .backup_placement = &vmw_mob_placement, |
| 92 | .create = vmw_gb_context_create, |
| 93 | .destroy = vmw_gb_context_destroy, |
| 94 | .bind = vmw_gb_context_bind, |
| 95 | .unbind = vmw_gb_context_unbind |
| 96 | }; |
| 97 | |
Thomas Hellstrom | d80efd5 | 2015-08-10 10:39:35 -0700 | [diff] [blame] | 98 | static const struct vmw_res_func vmw_dx_context_func = { |
| 99 | .res_type = vmw_res_dx_context, |
| 100 | .needs_backup = true, |
| 101 | .may_evict = true, |
| 102 | .type_name = "dx contexts", |
| 103 | .backup_placement = &vmw_mob_placement, |
| 104 | .create = vmw_dx_context_create, |
| 105 | .destroy = vmw_dx_context_destroy, |
| 106 | .bind = vmw_dx_context_bind, |
| 107 | .unbind = vmw_dx_context_unbind |
| 108 | }; |
Thomas Hellstrom | b5c3b1a6 | 2013-10-08 02:27:17 -0700 | [diff] [blame] | 109 | |
Thomas Hellstrom | 543831c | 2012-11-20 12:19:36 +0000 | [diff] [blame] | 110 | /** |
| 111 | * Context management: |
| 112 | */ |
| 113 | |
Thomas Hellstrom | d80efd5 | 2015-08-10 10:39:35 -0700 | [diff] [blame] | 114 | static void vmw_context_cotables_unref(struct vmw_user_context *uctx) |
| 115 | { |
| 116 | struct vmw_resource *res; |
| 117 | int i; |
| 118 | |
| 119 | for (i = 0; i < SVGA_COTABLE_DX10_MAX; ++i) { |
| 120 | spin_lock(&uctx->cotable_lock); |
| 121 | res = uctx->cotables[i]; |
| 122 | uctx->cotables[i] = NULL; |
| 123 | spin_unlock(&uctx->cotable_lock); |
Sinclair Yeh | fd11a3c | 2015-08-10 10:56:15 -0700 | [diff] [blame] | 124 | |
| 125 | if (res) |
| 126 | vmw_resource_unreference(&res); |
Thomas Hellstrom | d80efd5 | 2015-08-10 10:39:35 -0700 | [diff] [blame] | 127 | } |
| 128 | } |
| 129 | |
Thomas Hellstrom | 543831c | 2012-11-20 12:19:36 +0000 | [diff] [blame] | 130 | static void vmw_hw_context_destroy(struct vmw_resource *res) |
| 131 | { |
Thomas Hellstrom | 18e4a46 | 2014-06-09 12:39:22 +0200 | [diff] [blame] | 132 | struct vmw_user_context *uctx = |
| 133 | container_of(res, struct vmw_user_context, res); |
Thomas Hellstrom | 543831c | 2012-11-20 12:19:36 +0000 | [diff] [blame] | 134 | struct vmw_private *dev_priv = res->dev_priv; |
| 135 | struct { |
| 136 | SVGA3dCmdHeader header; |
| 137 | SVGA3dCmdDestroyContext body; |
| 138 | } *cmd; |
| 139 | |
| 140 | |
Thomas Hellstrom | d80efd5 | 2015-08-10 10:39:35 -0700 | [diff] [blame] | 141 | if (res->func->destroy == vmw_gb_context_destroy || |
| 142 | res->func->destroy == vmw_dx_context_destroy) { |
Thomas Hellstrom | 58a0c5f | 2012-11-21 11:36:36 +0100 | [diff] [blame] | 143 | mutex_lock(&dev_priv->cmdbuf_mutex); |
Thomas Hellstrom | 18e4a46 | 2014-06-09 12:39:22 +0200 | [diff] [blame] | 144 | vmw_cmdbuf_res_man_destroy(uctx->man); |
Thomas Hellstrom | 30f82d81 | 2014-02-05 08:13:56 +0100 | [diff] [blame] | 145 | mutex_lock(&dev_priv->binding_mutex); |
Thomas Hellstrom | d80efd5 | 2015-08-10 10:39:35 -0700 | [diff] [blame] | 146 | vmw_binding_state_kill(uctx->cbs); |
| 147 | (void) res->func->destroy(res); |
Thomas Hellstrom | c8e5e01 | 2014-03-31 10:20:30 +0200 | [diff] [blame] | 148 | mutex_unlock(&dev_priv->binding_mutex); |
Thomas Hellstrom | 58a0c5f | 2012-11-21 11:36:36 +0100 | [diff] [blame] | 149 | if (dev_priv->pinned_bo != NULL && |
| 150 | !dev_priv->query_cid_valid) |
| 151 | __vmw_execbuf_release_pinned_bo(dev_priv, NULL); |
| 152 | mutex_unlock(&dev_priv->cmdbuf_mutex); |
Thomas Hellstrom | d80efd5 | 2015-08-10 10:39:35 -0700 | [diff] [blame] | 153 | vmw_context_cotables_unref(uctx); |
Thomas Hellstrom | 58a0c5f | 2012-11-21 11:36:36 +0100 | [diff] [blame] | 154 | return; |
| 155 | } |
| 156 | |
Thomas Hellstrom | 543831c | 2012-11-20 12:19:36 +0000 | [diff] [blame] | 157 | vmw_execbuf_release_pinned_bo(dev_priv); |
| 158 | cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd)); |
| 159 | if (unlikely(cmd == NULL)) { |
| 160 | DRM_ERROR("Failed reserving FIFO space for surface " |
| 161 | "destruction.\n"); |
| 162 | return; |
| 163 | } |
| 164 | |
Thomas Hellstrom | b9eb1a6 | 2015-04-02 02:39:45 -0700 | [diff] [blame] | 165 | cmd->header.id = SVGA_3D_CMD_CONTEXT_DESTROY; |
| 166 | cmd->header.size = sizeof(cmd->body); |
| 167 | cmd->body.cid = res->id; |
Thomas Hellstrom | 543831c | 2012-11-20 12:19:36 +0000 | [diff] [blame] | 168 | |
| 169 | vmw_fifo_commit(dev_priv, sizeof(*cmd)); |
Thomas Hellstrom | 153b3d5 | 2015-06-25 10:47:43 -0700 | [diff] [blame] | 170 | vmw_fifo_resource_dec(dev_priv); |
Thomas Hellstrom | 543831c | 2012-11-20 12:19:36 +0000 | [diff] [blame] | 171 | } |
| 172 | |
Thomas Hellstrom | 58a0c5f | 2012-11-21 11:36:36 +0100 | [diff] [blame] | 173 | static int vmw_gb_context_init(struct vmw_private *dev_priv, |
Thomas Hellstrom | d80efd5 | 2015-08-10 10:39:35 -0700 | [diff] [blame] | 174 | bool dx, |
Thomas Hellstrom | 58a0c5f | 2012-11-21 11:36:36 +0100 | [diff] [blame] | 175 | struct vmw_resource *res, |
Thomas Hellstrom | d80efd5 | 2015-08-10 10:39:35 -0700 | [diff] [blame] | 176 | void (*res_free)(struct vmw_resource *res)) |
Thomas Hellstrom | 58a0c5f | 2012-11-21 11:36:36 +0100 | [diff] [blame] | 177 | { |
Thomas Hellstrom | d80efd5 | 2015-08-10 10:39:35 -0700 | [diff] [blame] | 178 | int ret, i; |
Thomas Hellstrom | 173fb7d | 2013-10-08 02:32:36 -0700 | [diff] [blame] | 179 | struct vmw_user_context *uctx = |
| 180 | container_of(res, struct vmw_user_context, res); |
Thomas Hellstrom | 58a0c5f | 2012-11-21 11:36:36 +0100 | [diff] [blame] | 181 | |
Thomas Hellstrom | d80efd5 | 2015-08-10 10:39:35 -0700 | [diff] [blame] | 182 | res->backup_size = (dx ? sizeof(SVGADXContextMobFormat) : |
| 183 | SVGA3D_CONTEXT_DATA_SIZE); |
Thomas Hellstrom | 58a0c5f | 2012-11-21 11:36:36 +0100 | [diff] [blame] | 184 | ret = vmw_resource_init(dev_priv, res, true, |
Thomas Hellstrom | d80efd5 | 2015-08-10 10:39:35 -0700 | [diff] [blame] | 185 | res_free, |
| 186 | dx ? &vmw_dx_context_func : |
| 187 | &vmw_gb_context_func); |
Thomas Hellstrom | 18e4a46 | 2014-06-09 12:39:22 +0200 | [diff] [blame] | 188 | if (unlikely(ret != 0)) |
| 189 | goto out_err; |
Thomas Hellstrom | 58a0c5f | 2012-11-21 11:36:36 +0100 | [diff] [blame] | 190 | |
Thomas Hellstrom | 18e4a46 | 2014-06-09 12:39:22 +0200 | [diff] [blame] | 191 | if (dev_priv->has_mob) { |
| 192 | uctx->man = vmw_cmdbuf_res_man_create(dev_priv); |
Viresh Kumar | 55579cf | 2015-07-31 14:08:24 +0530 | [diff] [blame] | 193 | if (IS_ERR(uctx->man)) { |
Thomas Hellstrom | 18e4a46 | 2014-06-09 12:39:22 +0200 | [diff] [blame] | 194 | ret = PTR_ERR(uctx->man); |
| 195 | uctx->man = NULL; |
| 196 | goto out_err; |
| 197 | } |
Thomas Hellstrom | 58a0c5f | 2012-11-21 11:36:36 +0100 | [diff] [blame] | 198 | } |
| 199 | |
Thomas Hellstrom | d80efd5 | 2015-08-10 10:39:35 -0700 | [diff] [blame] | 200 | uctx->cbs = vmw_binding_state_alloc(dev_priv); |
| 201 | if (IS_ERR(uctx->cbs)) { |
| 202 | ret = PTR_ERR(uctx->cbs); |
| 203 | goto out_err; |
| 204 | } |
| 205 | |
| 206 | spin_lock_init(&uctx->cotable_lock); |
| 207 | |
| 208 | if (dx) { |
| 209 | for (i = 0; i < SVGA_COTABLE_DX10_MAX; ++i) { |
| 210 | uctx->cotables[i] = vmw_cotable_alloc(dev_priv, |
| 211 | &uctx->res, i); |
| 212 | if (unlikely(uctx->cotables[i] == NULL)) { |
| 213 | ret = -ENOMEM; |
| 214 | goto out_cotables; |
| 215 | } |
| 216 | } |
| 217 | } |
| 218 | |
| 219 | |
Thomas Hellstrom | 173fb7d | 2013-10-08 02:32:36 -0700 | [diff] [blame] | 220 | |
Thomas Hellstrom | 58a0c5f | 2012-11-21 11:36:36 +0100 | [diff] [blame] | 221 | vmw_resource_activate(res, vmw_hw_context_destroy); |
| 222 | return 0; |
Thomas Hellstrom | 18e4a46 | 2014-06-09 12:39:22 +0200 | [diff] [blame] | 223 | |
Thomas Hellstrom | d80efd5 | 2015-08-10 10:39:35 -0700 | [diff] [blame] | 224 | out_cotables: |
| 225 | vmw_context_cotables_unref(uctx); |
Thomas Hellstrom | 18e4a46 | 2014-06-09 12:39:22 +0200 | [diff] [blame] | 226 | out_err: |
| 227 | if (res_free) |
| 228 | res_free(res); |
| 229 | else |
| 230 | kfree(res); |
| 231 | return ret; |
Thomas Hellstrom | 58a0c5f | 2012-11-21 11:36:36 +0100 | [diff] [blame] | 232 | } |
| 233 | |
Thomas Hellstrom | 543831c | 2012-11-20 12:19:36 +0000 | [diff] [blame] | 234 | static int vmw_context_init(struct vmw_private *dev_priv, |
| 235 | struct vmw_resource *res, |
Thomas Hellstrom | d80efd5 | 2015-08-10 10:39:35 -0700 | [diff] [blame] | 236 | void (*res_free)(struct vmw_resource *res), |
| 237 | bool dx) |
Thomas Hellstrom | 543831c | 2012-11-20 12:19:36 +0000 | [diff] [blame] | 238 | { |
| 239 | int ret; |
| 240 | |
| 241 | struct { |
| 242 | SVGA3dCmdHeader header; |
| 243 | SVGA3dCmdDefineContext body; |
| 244 | } *cmd; |
| 245 | |
Thomas Hellstrom | 58a0c5f | 2012-11-21 11:36:36 +0100 | [diff] [blame] | 246 | if (dev_priv->has_mob) |
Thomas Hellstrom | d80efd5 | 2015-08-10 10:39:35 -0700 | [diff] [blame] | 247 | return vmw_gb_context_init(dev_priv, dx, res, res_free); |
Thomas Hellstrom | 58a0c5f | 2012-11-21 11:36:36 +0100 | [diff] [blame] | 248 | |
Thomas Hellstrom | 543831c | 2012-11-20 12:19:36 +0000 | [diff] [blame] | 249 | ret = vmw_resource_init(dev_priv, res, false, |
| 250 | res_free, &vmw_legacy_context_func); |
| 251 | |
| 252 | if (unlikely(ret != 0)) { |
| 253 | DRM_ERROR("Failed to allocate a resource id.\n"); |
| 254 | goto out_early; |
| 255 | } |
| 256 | |
| 257 | if (unlikely(res->id >= SVGA3D_MAX_CONTEXT_IDS)) { |
| 258 | DRM_ERROR("Out of hw context ids.\n"); |
| 259 | vmw_resource_unreference(&res); |
| 260 | return -ENOMEM; |
| 261 | } |
| 262 | |
| 263 | cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd)); |
| 264 | if (unlikely(cmd == NULL)) { |
| 265 | DRM_ERROR("Fifo reserve failed.\n"); |
| 266 | vmw_resource_unreference(&res); |
| 267 | return -ENOMEM; |
| 268 | } |
| 269 | |
Thomas Hellstrom | b9eb1a6 | 2015-04-02 02:39:45 -0700 | [diff] [blame] | 270 | cmd->header.id = SVGA_3D_CMD_CONTEXT_DEFINE; |
| 271 | cmd->header.size = sizeof(cmd->body); |
| 272 | cmd->body.cid = res->id; |
Thomas Hellstrom | 543831c | 2012-11-20 12:19:36 +0000 | [diff] [blame] | 273 | |
| 274 | vmw_fifo_commit(dev_priv, sizeof(*cmd)); |
Thomas Hellstrom | 153b3d5 | 2015-06-25 10:47:43 -0700 | [diff] [blame] | 275 | vmw_fifo_resource_inc(dev_priv); |
Thomas Hellstrom | 543831c | 2012-11-20 12:19:36 +0000 | [diff] [blame] | 276 | vmw_resource_activate(res, vmw_hw_context_destroy); |
| 277 | return 0; |
| 278 | |
| 279 | out_early: |
| 280 | if (res_free == NULL) |
| 281 | kfree(res); |
| 282 | else |
| 283 | res_free(res); |
| 284 | return ret; |
| 285 | } |
| 286 | |
Thomas Hellstrom | 543831c | 2012-11-20 12:19:36 +0000 | [diff] [blame] | 287 | |
Thomas Hellstrom | d80efd5 | 2015-08-10 10:39:35 -0700 | [diff] [blame] | 288 | /* |
| 289 | * GB context. |
| 290 | */ |
Thomas Hellstrom | 58a0c5f | 2012-11-21 11:36:36 +0100 | [diff] [blame] | 291 | |
| 292 | static int vmw_gb_context_create(struct vmw_resource *res) |
| 293 | { |
| 294 | struct vmw_private *dev_priv = res->dev_priv; |
| 295 | int ret; |
| 296 | struct { |
| 297 | SVGA3dCmdHeader header; |
| 298 | SVGA3dCmdDefineGBContext body; |
| 299 | } *cmd; |
| 300 | |
| 301 | if (likely(res->id != -1)) |
| 302 | return 0; |
| 303 | |
| 304 | ret = vmw_resource_alloc_id(res); |
| 305 | if (unlikely(ret != 0)) { |
| 306 | DRM_ERROR("Failed to allocate a context id.\n"); |
| 307 | goto out_no_id; |
| 308 | } |
| 309 | |
| 310 | if (unlikely(res->id >= VMWGFX_NUM_GB_CONTEXT)) { |
| 311 | ret = -EBUSY; |
| 312 | goto out_no_fifo; |
| 313 | } |
| 314 | |
| 315 | cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd)); |
| 316 | if (unlikely(cmd == NULL)) { |
| 317 | DRM_ERROR("Failed reserving FIFO space for context " |
| 318 | "creation.\n"); |
| 319 | ret = -ENOMEM; |
| 320 | goto out_no_fifo; |
| 321 | } |
| 322 | |
| 323 | cmd->header.id = SVGA_3D_CMD_DEFINE_GB_CONTEXT; |
| 324 | cmd->header.size = sizeof(cmd->body); |
| 325 | cmd->body.cid = res->id; |
| 326 | vmw_fifo_commit(dev_priv, sizeof(*cmd)); |
Thomas Hellstrom | 153b3d5 | 2015-06-25 10:47:43 -0700 | [diff] [blame] | 327 | vmw_fifo_resource_inc(dev_priv); |
Thomas Hellstrom | 58a0c5f | 2012-11-21 11:36:36 +0100 | [diff] [blame] | 328 | |
| 329 | return 0; |
| 330 | |
| 331 | out_no_fifo: |
| 332 | vmw_resource_release_id(res); |
| 333 | out_no_id: |
| 334 | return ret; |
| 335 | } |
| 336 | |
| 337 | static int vmw_gb_context_bind(struct vmw_resource *res, |
| 338 | struct ttm_validate_buffer *val_buf) |
| 339 | { |
| 340 | struct vmw_private *dev_priv = res->dev_priv; |
| 341 | struct { |
| 342 | SVGA3dCmdHeader header; |
| 343 | SVGA3dCmdBindGBContext body; |
| 344 | } *cmd; |
| 345 | struct ttm_buffer_object *bo = val_buf->bo; |
| 346 | |
| 347 | BUG_ON(bo->mem.mem_type != VMW_PL_MOB); |
| 348 | |
| 349 | cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd)); |
| 350 | if (unlikely(cmd == NULL)) { |
| 351 | DRM_ERROR("Failed reserving FIFO space for context " |
| 352 | "binding.\n"); |
| 353 | return -ENOMEM; |
| 354 | } |
Thomas Hellstrom | 58a0c5f | 2012-11-21 11:36:36 +0100 | [diff] [blame] | 355 | cmd->header.id = SVGA_3D_CMD_BIND_GB_CONTEXT; |
| 356 | cmd->header.size = sizeof(cmd->body); |
| 357 | cmd->body.cid = res->id; |
| 358 | cmd->body.mobid = bo->mem.start; |
| 359 | cmd->body.validContents = res->backup_dirty; |
| 360 | res->backup_dirty = false; |
| 361 | vmw_fifo_commit(dev_priv, sizeof(*cmd)); |
| 362 | |
| 363 | return 0; |
| 364 | } |
| 365 | |
| 366 | static int vmw_gb_context_unbind(struct vmw_resource *res, |
| 367 | bool readback, |
| 368 | struct ttm_validate_buffer *val_buf) |
| 369 | { |
| 370 | struct vmw_private *dev_priv = res->dev_priv; |
| 371 | struct ttm_buffer_object *bo = val_buf->bo; |
| 372 | struct vmw_fence_obj *fence; |
Thomas Hellstrom | 173fb7d | 2013-10-08 02:32:36 -0700 | [diff] [blame] | 373 | struct vmw_user_context *uctx = |
| 374 | container_of(res, struct vmw_user_context, res); |
Thomas Hellstrom | 58a0c5f | 2012-11-21 11:36:36 +0100 | [diff] [blame] | 375 | |
| 376 | struct { |
| 377 | SVGA3dCmdHeader header; |
| 378 | SVGA3dCmdReadbackGBContext body; |
| 379 | } *cmd1; |
| 380 | struct { |
| 381 | SVGA3dCmdHeader header; |
| 382 | SVGA3dCmdBindGBContext body; |
| 383 | } *cmd2; |
| 384 | uint32_t submit_size; |
| 385 | uint8_t *cmd; |
| 386 | |
| 387 | |
| 388 | BUG_ON(bo->mem.mem_type != VMW_PL_MOB); |
| 389 | |
Thomas Hellstrom | 173fb7d | 2013-10-08 02:32:36 -0700 | [diff] [blame] | 390 | mutex_lock(&dev_priv->binding_mutex); |
Thomas Hellstrom | d80efd5 | 2015-08-10 10:39:35 -0700 | [diff] [blame] | 391 | vmw_binding_state_scrub(uctx->cbs); |
Thomas Hellstrom | 173fb7d | 2013-10-08 02:32:36 -0700 | [diff] [blame] | 392 | |
Thomas Hellstrom | 58a0c5f | 2012-11-21 11:36:36 +0100 | [diff] [blame] | 393 | submit_size = sizeof(*cmd2) + (readback ? sizeof(*cmd1) : 0); |
| 394 | |
| 395 | cmd = vmw_fifo_reserve(dev_priv, submit_size); |
| 396 | if (unlikely(cmd == NULL)) { |
| 397 | DRM_ERROR("Failed reserving FIFO space for context " |
| 398 | "unbinding.\n"); |
Thomas Hellstrom | 173fb7d | 2013-10-08 02:32:36 -0700 | [diff] [blame] | 399 | mutex_unlock(&dev_priv->binding_mutex); |
Thomas Hellstrom | 58a0c5f | 2012-11-21 11:36:36 +0100 | [diff] [blame] | 400 | return -ENOMEM; |
| 401 | } |
| 402 | |
| 403 | cmd2 = (void *) cmd; |
| 404 | if (readback) { |
| 405 | cmd1 = (void *) cmd; |
| 406 | cmd1->header.id = SVGA_3D_CMD_READBACK_GB_CONTEXT; |
| 407 | cmd1->header.size = sizeof(cmd1->body); |
| 408 | cmd1->body.cid = res->id; |
| 409 | cmd2 = (void *) (&cmd1[1]); |
| 410 | } |
| 411 | cmd2->header.id = SVGA_3D_CMD_BIND_GB_CONTEXT; |
| 412 | cmd2->header.size = sizeof(cmd2->body); |
| 413 | cmd2->body.cid = res->id; |
| 414 | cmd2->body.mobid = SVGA3D_INVALID_ID; |
| 415 | |
| 416 | vmw_fifo_commit(dev_priv, submit_size); |
Thomas Hellstrom | 173fb7d | 2013-10-08 02:32:36 -0700 | [diff] [blame] | 417 | mutex_unlock(&dev_priv->binding_mutex); |
Thomas Hellstrom | 58a0c5f | 2012-11-21 11:36:36 +0100 | [diff] [blame] | 418 | |
| 419 | /* |
| 420 | * Create a fence object and fence the backup buffer. |
| 421 | */ |
| 422 | |
| 423 | (void) vmw_execbuf_fence_commands(NULL, dev_priv, |
| 424 | &fence, NULL); |
| 425 | |
| 426 | vmw_fence_single_bo(bo, fence); |
| 427 | |
| 428 | if (likely(fence != NULL)) |
| 429 | vmw_fence_obj_unreference(&fence); |
| 430 | |
| 431 | return 0; |
| 432 | } |
| 433 | |
| 434 | static int vmw_gb_context_destroy(struct vmw_resource *res) |
| 435 | { |
| 436 | struct vmw_private *dev_priv = res->dev_priv; |
| 437 | struct { |
| 438 | SVGA3dCmdHeader header; |
| 439 | SVGA3dCmdDestroyGBContext body; |
| 440 | } *cmd; |
| 441 | |
| 442 | if (likely(res->id == -1)) |
| 443 | return 0; |
| 444 | |
| 445 | cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd)); |
| 446 | if (unlikely(cmd == NULL)) { |
| 447 | DRM_ERROR("Failed reserving FIFO space for context " |
| 448 | "destruction.\n"); |
| 449 | return -ENOMEM; |
| 450 | } |
| 451 | |
| 452 | cmd->header.id = SVGA_3D_CMD_DESTROY_GB_CONTEXT; |
| 453 | cmd->header.size = sizeof(cmd->body); |
| 454 | cmd->body.cid = res->id; |
| 455 | vmw_fifo_commit(dev_priv, sizeof(*cmd)); |
| 456 | if (dev_priv->query_cid == res->id) |
| 457 | dev_priv->query_cid_valid = false; |
| 458 | vmw_resource_release_id(res); |
Thomas Hellstrom | 153b3d5 | 2015-06-25 10:47:43 -0700 | [diff] [blame] | 459 | vmw_fifo_resource_dec(dev_priv); |
Thomas Hellstrom | 58a0c5f | 2012-11-21 11:36:36 +0100 | [diff] [blame] | 460 | |
| 461 | return 0; |
| 462 | } |
| 463 | |
Thomas Hellstrom | d80efd5 | 2015-08-10 10:39:35 -0700 | [diff] [blame] | 464 | /* |
| 465 | * DX context. |
| 466 | */ |
| 467 | |
| 468 | static int vmw_dx_context_create(struct vmw_resource *res) |
| 469 | { |
| 470 | struct vmw_private *dev_priv = res->dev_priv; |
| 471 | int ret; |
| 472 | struct { |
| 473 | SVGA3dCmdHeader header; |
| 474 | SVGA3dCmdDXDefineContext body; |
| 475 | } *cmd; |
| 476 | |
| 477 | if (likely(res->id != -1)) |
| 478 | return 0; |
| 479 | |
| 480 | ret = vmw_resource_alloc_id(res); |
| 481 | if (unlikely(ret != 0)) { |
| 482 | DRM_ERROR("Failed to allocate a context id.\n"); |
| 483 | goto out_no_id; |
| 484 | } |
| 485 | |
| 486 | if (unlikely(res->id >= VMWGFX_NUM_DXCONTEXT)) { |
| 487 | ret = -EBUSY; |
| 488 | goto out_no_fifo; |
| 489 | } |
| 490 | |
| 491 | cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd)); |
| 492 | if (unlikely(cmd == NULL)) { |
| 493 | DRM_ERROR("Failed reserving FIFO space for context " |
| 494 | "creation.\n"); |
| 495 | ret = -ENOMEM; |
| 496 | goto out_no_fifo; |
| 497 | } |
| 498 | |
| 499 | cmd->header.id = SVGA_3D_CMD_DX_DEFINE_CONTEXT; |
| 500 | cmd->header.size = sizeof(cmd->body); |
| 501 | cmd->body.cid = res->id; |
| 502 | vmw_fifo_commit(dev_priv, sizeof(*cmd)); |
| 503 | vmw_fifo_resource_inc(dev_priv); |
| 504 | |
| 505 | return 0; |
| 506 | |
| 507 | out_no_fifo: |
| 508 | vmw_resource_release_id(res); |
| 509 | out_no_id: |
| 510 | return ret; |
| 511 | } |
| 512 | |
| 513 | static int vmw_dx_context_bind(struct vmw_resource *res, |
| 514 | struct ttm_validate_buffer *val_buf) |
| 515 | { |
| 516 | struct vmw_private *dev_priv = res->dev_priv; |
| 517 | struct { |
| 518 | SVGA3dCmdHeader header; |
| 519 | SVGA3dCmdDXBindContext body; |
| 520 | } *cmd; |
| 521 | struct ttm_buffer_object *bo = val_buf->bo; |
| 522 | |
| 523 | BUG_ON(bo->mem.mem_type != VMW_PL_MOB); |
| 524 | |
| 525 | cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd)); |
| 526 | if (unlikely(cmd == NULL)) { |
| 527 | DRM_ERROR("Failed reserving FIFO space for context " |
| 528 | "binding.\n"); |
| 529 | return -ENOMEM; |
| 530 | } |
| 531 | |
| 532 | cmd->header.id = SVGA_3D_CMD_DX_BIND_CONTEXT; |
| 533 | cmd->header.size = sizeof(cmd->body); |
| 534 | cmd->body.cid = res->id; |
| 535 | cmd->body.mobid = bo->mem.start; |
| 536 | cmd->body.validContents = res->backup_dirty; |
| 537 | res->backup_dirty = false; |
| 538 | vmw_fifo_commit(dev_priv, sizeof(*cmd)); |
| 539 | |
| 540 | |
| 541 | return 0; |
| 542 | } |
| 543 | |
| 544 | /** |
| 545 | * vmw_dx_context_scrub_cotables - Scrub all bindings and |
| 546 | * cotables from a context |
| 547 | * |
| 548 | * @ctx: Pointer to the context resource |
| 549 | * @readback: Whether to save the otable contents on scrubbing. |
| 550 | * |
| 551 | * COtables must be unbound before their context, but unbinding requires |
| 552 | * the backup buffer being reserved, whereas scrubbing does not. |
| 553 | * This function scrubs all cotables of a context, potentially reading back |
| 554 | * the contents into their backup buffers. However, scrubbing cotables |
| 555 | * also makes the device context invalid, so scrub all bindings first so |
| 556 | * that doesn't have to be done later with an invalid context. |
| 557 | */ |
| 558 | void vmw_dx_context_scrub_cotables(struct vmw_resource *ctx, |
| 559 | bool readback) |
| 560 | { |
| 561 | struct vmw_user_context *uctx = |
| 562 | container_of(ctx, struct vmw_user_context, res); |
| 563 | int i; |
| 564 | |
| 565 | vmw_binding_state_scrub(uctx->cbs); |
| 566 | for (i = 0; i < SVGA_COTABLE_DX10_MAX; ++i) { |
| 567 | struct vmw_resource *res; |
| 568 | |
| 569 | /* Avoid racing with ongoing cotable destruction. */ |
| 570 | spin_lock(&uctx->cotable_lock); |
| 571 | res = uctx->cotables[vmw_cotable_scrub_order[i]]; |
| 572 | if (res) |
| 573 | res = vmw_resource_reference_unless_doomed(res); |
| 574 | spin_unlock(&uctx->cotable_lock); |
| 575 | if (!res) |
| 576 | continue; |
| 577 | |
| 578 | WARN_ON(vmw_cotable_scrub(res, readback)); |
| 579 | vmw_resource_unreference(&res); |
| 580 | } |
| 581 | } |
| 582 | |
| 583 | static int vmw_dx_context_unbind(struct vmw_resource *res, |
| 584 | bool readback, |
| 585 | struct ttm_validate_buffer *val_buf) |
| 586 | { |
| 587 | struct vmw_private *dev_priv = res->dev_priv; |
| 588 | struct ttm_buffer_object *bo = val_buf->bo; |
| 589 | struct vmw_fence_obj *fence; |
Sinclair Yeh | fd11a3c | 2015-08-10 10:56:15 -0700 | [diff] [blame] | 590 | struct vmw_user_context *uctx = |
| 591 | container_of(res, struct vmw_user_context, res); |
Thomas Hellstrom | d80efd5 | 2015-08-10 10:39:35 -0700 | [diff] [blame] | 592 | |
| 593 | struct { |
| 594 | SVGA3dCmdHeader header; |
| 595 | SVGA3dCmdDXReadbackContext body; |
| 596 | } *cmd1; |
| 597 | struct { |
| 598 | SVGA3dCmdHeader header; |
| 599 | SVGA3dCmdDXBindContext body; |
| 600 | } *cmd2; |
| 601 | uint32_t submit_size; |
| 602 | uint8_t *cmd; |
| 603 | |
| 604 | |
| 605 | BUG_ON(bo->mem.mem_type != VMW_PL_MOB); |
| 606 | |
| 607 | mutex_lock(&dev_priv->binding_mutex); |
| 608 | vmw_dx_context_scrub_cotables(res, readback); |
| 609 | |
Sinclair Yeh | fd11a3c | 2015-08-10 10:56:15 -0700 | [diff] [blame] | 610 | if (uctx->dx_query_mob && uctx->dx_query_mob->dx_query_ctx && |
| 611 | readback) { |
| 612 | WARN_ON(uctx->dx_query_mob->dx_query_ctx != res); |
| 613 | if (vmw_query_readback_all(uctx->dx_query_mob)) |
| 614 | DRM_ERROR("Failed to read back query states\n"); |
| 615 | } |
| 616 | |
Thomas Hellstrom | d80efd5 | 2015-08-10 10:39:35 -0700 | [diff] [blame] | 617 | submit_size = sizeof(*cmd2) + (readback ? sizeof(*cmd1) : 0); |
| 618 | |
| 619 | cmd = vmw_fifo_reserve(dev_priv, submit_size); |
| 620 | if (unlikely(cmd == NULL)) { |
| 621 | DRM_ERROR("Failed reserving FIFO space for context " |
| 622 | "unbinding.\n"); |
| 623 | mutex_unlock(&dev_priv->binding_mutex); |
| 624 | return -ENOMEM; |
| 625 | } |
| 626 | |
| 627 | cmd2 = (void *) cmd; |
| 628 | if (readback) { |
| 629 | cmd1 = (void *) cmd; |
| 630 | cmd1->header.id = SVGA_3D_CMD_DX_READBACK_CONTEXT; |
| 631 | cmd1->header.size = sizeof(cmd1->body); |
| 632 | cmd1->body.cid = res->id; |
| 633 | cmd2 = (void *) (&cmd1[1]); |
| 634 | } |
| 635 | cmd2->header.id = SVGA_3D_CMD_DX_BIND_CONTEXT; |
| 636 | cmd2->header.size = sizeof(cmd2->body); |
| 637 | cmd2->body.cid = res->id; |
| 638 | cmd2->body.mobid = SVGA3D_INVALID_ID; |
| 639 | |
| 640 | vmw_fifo_commit(dev_priv, submit_size); |
| 641 | mutex_unlock(&dev_priv->binding_mutex); |
| 642 | |
| 643 | /* |
| 644 | * Create a fence object and fence the backup buffer. |
| 645 | */ |
| 646 | |
| 647 | (void) vmw_execbuf_fence_commands(NULL, dev_priv, |
| 648 | &fence, NULL); |
| 649 | |
| 650 | vmw_fence_single_bo(bo, fence); |
| 651 | |
| 652 | if (likely(fence != NULL)) |
| 653 | vmw_fence_obj_unreference(&fence); |
| 654 | |
| 655 | return 0; |
| 656 | } |
| 657 | |
| 658 | static int vmw_dx_context_destroy(struct vmw_resource *res) |
| 659 | { |
| 660 | struct vmw_private *dev_priv = res->dev_priv; |
| 661 | struct { |
| 662 | SVGA3dCmdHeader header; |
| 663 | SVGA3dCmdDXDestroyContext body; |
| 664 | } *cmd; |
| 665 | |
| 666 | if (likely(res->id == -1)) |
| 667 | return 0; |
| 668 | |
| 669 | cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd)); |
| 670 | if (unlikely(cmd == NULL)) { |
| 671 | DRM_ERROR("Failed reserving FIFO space for context " |
| 672 | "destruction.\n"); |
| 673 | return -ENOMEM; |
| 674 | } |
| 675 | |
| 676 | cmd->header.id = SVGA_3D_CMD_DX_DESTROY_CONTEXT; |
| 677 | cmd->header.size = sizeof(cmd->body); |
| 678 | cmd->body.cid = res->id; |
| 679 | vmw_fifo_commit(dev_priv, sizeof(*cmd)); |
| 680 | if (dev_priv->query_cid == res->id) |
| 681 | dev_priv->query_cid_valid = false; |
| 682 | vmw_resource_release_id(res); |
| 683 | vmw_fifo_resource_dec(dev_priv); |
Thomas Hellstrom | 543831c | 2012-11-20 12:19:36 +0000 | [diff] [blame] | 684 | |
| 685 | return 0; |
| 686 | } |
| 687 | |
| 688 | /** |
| 689 | * User-space context management: |
| 690 | */ |
| 691 | |
| 692 | static struct vmw_resource * |
| 693 | vmw_user_context_base_to_res(struct ttm_base_object *base) |
| 694 | { |
| 695 | return &(container_of(base, struct vmw_user_context, base)->res); |
| 696 | } |
| 697 | |
| 698 | static void vmw_user_context_free(struct vmw_resource *res) |
| 699 | { |
| 700 | struct vmw_user_context *ctx = |
| 701 | container_of(res, struct vmw_user_context, res); |
| 702 | struct vmw_private *dev_priv = res->dev_priv; |
| 703 | |
Thomas Hellstrom | d80efd5 | 2015-08-10 10:39:35 -0700 | [diff] [blame] | 704 | if (ctx->cbs) |
| 705 | vmw_binding_state_free(ctx->cbs); |
Sinclair Yeh | fd11a3c | 2015-08-10 10:56:15 -0700 | [diff] [blame] | 706 | |
| 707 | (void) vmw_context_bind_dx_query(res, NULL); |
| 708 | |
Thomas Hellstrom | 543831c | 2012-11-20 12:19:36 +0000 | [diff] [blame] | 709 | ttm_base_object_kfree(ctx, base); |
| 710 | ttm_mem_global_free(vmw_mem_glob(dev_priv), |
| 711 | vmw_user_context_size); |
| 712 | } |
| 713 | |
| 714 | /** |
| 715 | * This function is called when user space has no more references on the |
| 716 | * base object. It releases the base-object's reference on the resource object. |
| 717 | */ |
| 718 | |
| 719 | static void vmw_user_context_base_release(struct ttm_base_object **p_base) |
| 720 | { |
| 721 | struct ttm_base_object *base = *p_base; |
| 722 | struct vmw_user_context *ctx = |
| 723 | container_of(base, struct vmw_user_context, base); |
| 724 | struct vmw_resource *res = &ctx->res; |
| 725 | |
| 726 | *p_base = NULL; |
| 727 | vmw_resource_unreference(&res); |
| 728 | } |
| 729 | |
| 730 | int vmw_context_destroy_ioctl(struct drm_device *dev, void *data, |
| 731 | struct drm_file *file_priv) |
| 732 | { |
| 733 | struct drm_vmw_context_arg *arg = (struct drm_vmw_context_arg *)data; |
| 734 | struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile; |
| 735 | |
| 736 | return ttm_ref_object_base_unref(tfile, arg->cid, TTM_REF_USAGE); |
| 737 | } |
| 738 | |
Thomas Hellstrom | d80efd5 | 2015-08-10 10:39:35 -0700 | [diff] [blame] | 739 | static int vmw_context_define(struct drm_device *dev, void *data, |
| 740 | struct drm_file *file_priv, bool dx) |
Thomas Hellstrom | 543831c | 2012-11-20 12:19:36 +0000 | [diff] [blame] | 741 | { |
| 742 | struct vmw_private *dev_priv = vmw_priv(dev); |
| 743 | struct vmw_user_context *ctx; |
| 744 | struct vmw_resource *res; |
| 745 | struct vmw_resource *tmp; |
| 746 | struct drm_vmw_context_arg *arg = (struct drm_vmw_context_arg *)data; |
| 747 | struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile; |
Thomas Hellstrom | 543831c | 2012-11-20 12:19:36 +0000 | [diff] [blame] | 748 | int ret; |
| 749 | |
Thomas Hellstrom | d80efd5 | 2015-08-10 10:39:35 -0700 | [diff] [blame] | 750 | if (!dev_priv->has_dx && dx) { |
| 751 | DRM_ERROR("DX contexts not supported by device.\n"); |
| 752 | return -EINVAL; |
| 753 | } |
Thomas Hellstrom | 543831c | 2012-11-20 12:19:36 +0000 | [diff] [blame] | 754 | |
| 755 | /* |
| 756 | * Approximate idr memory usage with 128 bytes. It will be limited |
| 757 | * by maximum number_of contexts anyway. |
| 758 | */ |
| 759 | |
| 760 | if (unlikely(vmw_user_context_size == 0)) |
Thomas Hellstrom | 18e4a46 | 2014-06-09 12:39:22 +0200 | [diff] [blame] | 761 | vmw_user_context_size = ttm_round_pot(sizeof(*ctx)) + 128 + |
| 762 | ((dev_priv->has_mob) ? vmw_cmdbuf_res_man_size() : 0); |
Thomas Hellstrom | 543831c | 2012-11-20 12:19:36 +0000 | [diff] [blame] | 763 | |
Thomas Hellstrom | 294adf7 | 2014-02-27 12:34:51 +0100 | [diff] [blame] | 764 | ret = ttm_read_lock(&dev_priv->reservation_sem, true); |
Thomas Hellstrom | 543831c | 2012-11-20 12:19:36 +0000 | [diff] [blame] | 765 | if (unlikely(ret != 0)) |
| 766 | return ret; |
| 767 | |
| 768 | ret = ttm_mem_global_alloc(vmw_mem_glob(dev_priv), |
| 769 | vmw_user_context_size, |
| 770 | false, true); |
| 771 | if (unlikely(ret != 0)) { |
| 772 | if (ret != -ERESTARTSYS) |
| 773 | DRM_ERROR("Out of graphics memory for context" |
| 774 | " creation.\n"); |
| 775 | goto out_unlock; |
| 776 | } |
| 777 | |
| 778 | ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); |
| 779 | if (unlikely(ctx == NULL)) { |
| 780 | ttm_mem_global_free(vmw_mem_glob(dev_priv), |
| 781 | vmw_user_context_size); |
| 782 | ret = -ENOMEM; |
| 783 | goto out_unlock; |
| 784 | } |
| 785 | |
| 786 | res = &ctx->res; |
| 787 | ctx->base.shareable = false; |
| 788 | ctx->base.tfile = NULL; |
| 789 | |
| 790 | /* |
| 791 | * From here on, the destructor takes over resource freeing. |
| 792 | */ |
| 793 | |
Thomas Hellstrom | d80efd5 | 2015-08-10 10:39:35 -0700 | [diff] [blame] | 794 | ret = vmw_context_init(dev_priv, res, vmw_user_context_free, dx); |
Thomas Hellstrom | 543831c | 2012-11-20 12:19:36 +0000 | [diff] [blame] | 795 | if (unlikely(ret != 0)) |
| 796 | goto out_unlock; |
| 797 | |
| 798 | tmp = vmw_resource_reference(&ctx->res); |
| 799 | ret = ttm_base_object_init(tfile, &ctx->base, false, VMW_RES_CONTEXT, |
| 800 | &vmw_user_context_base_release, NULL); |
| 801 | |
| 802 | if (unlikely(ret != 0)) { |
| 803 | vmw_resource_unreference(&tmp); |
| 804 | goto out_err; |
| 805 | } |
| 806 | |
| 807 | arg->cid = ctx->base.hash.key; |
| 808 | out_err: |
| 809 | vmw_resource_unreference(&res); |
| 810 | out_unlock: |
Thomas Hellstrom | 294adf7 | 2014-02-27 12:34:51 +0100 | [diff] [blame] | 811 | ttm_read_unlock(&dev_priv->reservation_sem); |
Thomas Hellstrom | 543831c | 2012-11-20 12:19:36 +0000 | [diff] [blame] | 812 | return ret; |
Thomas Hellstrom | 543831c | 2012-11-20 12:19:36 +0000 | [diff] [blame] | 813 | } |
Thomas Hellstrom | b5c3b1a6 | 2013-10-08 02:27:17 -0700 | [diff] [blame] | 814 | |
Thomas Hellstrom | d80efd5 | 2015-08-10 10:39:35 -0700 | [diff] [blame] | 815 | int vmw_context_define_ioctl(struct drm_device *dev, void *data, |
| 816 | struct drm_file *file_priv) |
Thomas Hellstrom | b5c3b1a6 | 2013-10-08 02:27:17 -0700 | [diff] [blame] | 817 | { |
Thomas Hellstrom | d80efd5 | 2015-08-10 10:39:35 -0700 | [diff] [blame] | 818 | return vmw_context_define(dev, data, file_priv, false); |
Thomas Hellstrom | b5c3b1a6 | 2013-10-08 02:27:17 -0700 | [diff] [blame] | 819 | } |
| 820 | |
Thomas Hellstrom | d80efd5 | 2015-08-10 10:39:35 -0700 | [diff] [blame] | 821 | int vmw_extended_context_define_ioctl(struct drm_device *dev, void *data, |
| 822 | struct drm_file *file_priv) |
Thomas Hellstrom | b5c3b1a6 | 2013-10-08 02:27:17 -0700 | [diff] [blame] | 823 | { |
Thomas Hellstrom | d80efd5 | 2015-08-10 10:39:35 -0700 | [diff] [blame] | 824 | union drm_vmw_extended_context_arg *arg = (typeof(arg)) data; |
| 825 | struct drm_vmw_context_arg *rep = &arg->rep; |
Thomas Hellstrom | b5c3b1a6 | 2013-10-08 02:27:17 -0700 | [diff] [blame] | 826 | |
Thomas Hellstrom | d80efd5 | 2015-08-10 10:39:35 -0700 | [diff] [blame] | 827 | switch (arg->req) { |
| 828 | case drm_vmw_context_legacy: |
| 829 | return vmw_context_define(dev, rep, file_priv, false); |
| 830 | case drm_vmw_context_dx: |
| 831 | return vmw_context_define(dev, rep, file_priv, true); |
Thomas Hellstrom | b5c3b1a6 | 2013-10-08 02:27:17 -0700 | [diff] [blame] | 832 | default: |
Thomas Hellstrom | 173fb7d | 2013-10-08 02:32:36 -0700 | [diff] [blame] | 833 | break; |
Thomas Hellstrom | 173fb7d | 2013-10-08 02:32:36 -0700 | [diff] [blame] | 834 | } |
Thomas Hellstrom | d80efd5 | 2015-08-10 10:39:35 -0700 | [diff] [blame] | 835 | return -EINVAL; |
Thomas Hellstrom | 30f82d81 | 2014-02-05 08:13:56 +0100 | [diff] [blame] | 836 | } |
| 837 | |
| 838 | /** |
| 839 | * vmw_context_binding_list - Return a list of context bindings |
| 840 | * |
| 841 | * @ctx: The context resource |
| 842 | * |
| 843 | * Returns the current list of bindings of the given context. Note that |
| 844 | * this list becomes stale as soon as the dev_priv::binding_mutex is unlocked. |
| 845 | */ |
| 846 | struct list_head *vmw_context_binding_list(struct vmw_resource *ctx) |
| 847 | { |
Thomas Hellstrom | d80efd5 | 2015-08-10 10:39:35 -0700 | [diff] [blame] | 848 | struct vmw_user_context *uctx = |
| 849 | container_of(ctx, struct vmw_user_context, res); |
| 850 | |
| 851 | return vmw_binding_state_list(uctx->cbs); |
Thomas Hellstrom | 30f82d81 | 2014-02-05 08:13:56 +0100 | [diff] [blame] | 852 | } |
Thomas Hellstrom | 18e4a46 | 2014-06-09 12:39:22 +0200 | [diff] [blame] | 853 | |
| 854 | struct vmw_cmdbuf_res_manager *vmw_context_res_man(struct vmw_resource *ctx) |
| 855 | { |
| 856 | return container_of(ctx, struct vmw_user_context, res)->man; |
| 857 | } |
Thomas Hellstrom | d80efd5 | 2015-08-10 10:39:35 -0700 | [diff] [blame] | 858 | |
| 859 | struct vmw_resource *vmw_context_cotable(struct vmw_resource *ctx, |
| 860 | SVGACOTableType cotable_type) |
| 861 | { |
| 862 | if (cotable_type >= SVGA_COTABLE_DX10_MAX) |
| 863 | return ERR_PTR(-EINVAL); |
| 864 | |
| 865 | return vmw_resource_reference |
| 866 | (container_of(ctx, struct vmw_user_context, res)-> |
| 867 | cotables[cotable_type]); |
| 868 | } |
| 869 | |
| 870 | /** |
| 871 | * vmw_context_binding_state - |
| 872 | * Return a pointer to a context binding state structure |
| 873 | * |
| 874 | * @ctx: The context resource |
| 875 | * |
| 876 | * Returns the current state of bindings of the given context. Note that |
| 877 | * this state becomes stale as soon as the dev_priv::binding_mutex is unlocked. |
| 878 | */ |
| 879 | struct vmw_ctx_binding_state * |
| 880 | vmw_context_binding_state(struct vmw_resource *ctx) |
| 881 | { |
| 882 | return container_of(ctx, struct vmw_user_context, res)->cbs; |
| 883 | } |
Sinclair Yeh | fd11a3c | 2015-08-10 10:56:15 -0700 | [diff] [blame] | 884 | |
| 885 | /** |
| 886 | * vmw_context_bind_dx_query - |
| 887 | * Sets query MOB for the context. If @mob is NULL, then this function will |
| 888 | * remove the association between the MOB and the context. This function |
| 889 | * assumes the binding_mutex is held. |
| 890 | * |
| 891 | * @ctx_res: The context resource |
| 892 | * @mob: a reference to the query MOB |
| 893 | * |
| 894 | * Returns -EINVAL if a MOB has already been set and does not match the one |
| 895 | * specified in the parameter. 0 otherwise. |
| 896 | */ |
| 897 | int vmw_context_bind_dx_query(struct vmw_resource *ctx_res, |
| 898 | struct vmw_dma_buffer *mob) |
| 899 | { |
| 900 | struct vmw_user_context *uctx = |
| 901 | container_of(ctx_res, struct vmw_user_context, res); |
| 902 | |
| 903 | if (mob == NULL) { |
| 904 | if (uctx->dx_query_mob) { |
| 905 | uctx->dx_query_mob->dx_query_ctx = NULL; |
| 906 | vmw_dmabuf_unreference(&uctx->dx_query_mob); |
| 907 | uctx->dx_query_mob = NULL; |
| 908 | } |
| 909 | |
| 910 | return 0; |
| 911 | } |
| 912 | |
| 913 | /* Can only have one MOB per context for queries */ |
| 914 | if (uctx->dx_query_mob && uctx->dx_query_mob != mob) |
| 915 | return -EINVAL; |
| 916 | |
| 917 | mob->dx_query_ctx = ctx_res; |
| 918 | |
| 919 | if (!uctx->dx_query_mob) |
| 920 | uctx->dx_query_mob = vmw_dmabuf_reference(mob); |
| 921 | |
| 922 | return 0; |
| 923 | } |
| 924 | |
| 925 | /** |
| 926 | * vmw_context_get_dx_query_mob - Returns non-counted reference to DX query mob |
| 927 | * |
| 928 | * @ctx_res: The context resource |
| 929 | */ |
| 930 | struct vmw_dma_buffer * |
| 931 | vmw_context_get_dx_query_mob(struct vmw_resource *ctx_res) |
| 932 | { |
| 933 | struct vmw_user_context *uctx = |
| 934 | container_of(ctx_res, struct vmw_user_context, res); |
| 935 | |
| 936 | return uctx->dx_query_mob; |
| 937 | } |