| /* |
| * Copyright © 2016 Intel Corporation |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
| * IN THE SOFTWARE. |
| * |
| */ |
| |
| #include "mock_context.h" |
| #include "mock_gtt.h" |
| |
| struct i915_gem_context * |
| mock_context(struct drm_i915_private *i915, |
| const char *name) |
| { |
| struct i915_gem_context *ctx; |
| int ret; |
| |
| ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); |
| if (!ctx) |
| return NULL; |
| |
| kref_init(&ctx->ref); |
| INIT_LIST_HEAD(&ctx->link); |
| ctx->i915 = i915; |
| |
| INIT_RADIX_TREE(&ctx->handles_vma, GFP_KERNEL); |
| INIT_LIST_HEAD(&ctx->handles_list); |
| |
| ret = ida_simple_get(&i915->contexts.hw_ida, |
| 0, MAX_CONTEXT_HW_ID, GFP_KERNEL); |
| if (ret < 0) |
| goto err_handles; |
| ctx->hw_id = ret; |
| |
| if (name) { |
| ctx->name = kstrdup(name, GFP_KERNEL); |
| if (!ctx->name) |
| goto err_put; |
| |
| ctx->ppgtt = mock_ppgtt(i915, name); |
| if (!ctx->ppgtt) |
| goto err_put; |
| } |
| |
| return ctx; |
| |
| err_handles: |
| kfree(ctx); |
| return NULL; |
| |
| err_put: |
| i915_gem_context_set_closed(ctx); |
| i915_gem_context_put(ctx); |
| return NULL; |
| } |
| |
| void mock_context_close(struct i915_gem_context *ctx) |
| { |
| i915_gem_context_set_closed(ctx); |
| |
| i915_ppgtt_close(&ctx->ppgtt->base); |
| |
| i915_gem_context_put(ctx); |
| } |
| |
| void mock_init_contexts(struct drm_i915_private *i915) |
| { |
| INIT_LIST_HEAD(&i915->contexts.list); |
| ida_init(&i915->contexts.hw_ida); |
| |
| INIT_WORK(&i915->contexts.free_work, contexts_free_worker); |
| init_llist_head(&i915->contexts.free_list); |
| } |
| |
| struct i915_gem_context * |
| live_context(struct drm_i915_private *i915, struct drm_file *file) |
| { |
| lockdep_assert_held(&i915->drm.struct_mutex); |
| |
| return i915_gem_create_context(i915, file->driver_priv); |
| } |