diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.h | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.h b/drivers/gpu/drm/i915/i915_gem.h new file mode 100644 index 000000000..a5cdf6662 --- /dev/null +++ b/drivers/gpu/drm/i915/i915_gem.h @@ -0,0 +1,130 @@ +/* + * 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. + * + */ + +#ifndef __I915_GEM_H__ +#define __I915_GEM_H__ + +#include <linux/bug.h> +#include <linux/types.h> + +#include <drm/drm_drv.h> + +#include "i915_utils.h" + +struct drm_file; +struct drm_i915_gem_object; +struct drm_i915_private; +struct i915_gem_ww_ctx; +struct i915_gtt_view; +struct i915_vma; + +void i915_gem_init_early(struct drm_i915_private *i915); +void i915_gem_cleanup_early(struct drm_i915_private *i915); + +void i915_gem_drain_freed_objects(struct drm_i915_private *i915); +void i915_gem_drain_workqueue(struct drm_i915_private *i915); + +struct i915_vma * __must_check +i915_gem_object_ggtt_pin_ww(struct drm_i915_gem_object *obj, + struct i915_gem_ww_ctx *ww, + const struct i915_gtt_view *view, + u64 size, u64 alignment, u64 flags); + +struct i915_vma * __must_check +i915_gem_object_ggtt_pin(struct drm_i915_gem_object *obj, + const struct i915_gtt_view *view, + u64 size, u64 alignment, u64 flags); + +int i915_gem_object_unbind(struct drm_i915_gem_object *obj, + unsigned long flags); +#define I915_GEM_OBJECT_UNBIND_ACTIVE BIT(0) +#define I915_GEM_OBJECT_UNBIND_BARRIER BIT(1) +#define I915_GEM_OBJECT_UNBIND_TEST BIT(2) +#define I915_GEM_OBJECT_UNBIND_VM_TRYLOCK BIT(3) +#define I915_GEM_OBJECT_UNBIND_ASYNC BIT(4) + +void i915_gem_runtime_suspend(struct drm_i915_private *i915); + +int __must_check i915_gem_init(struct drm_i915_private *i915); +void i915_gem_driver_register(struct drm_i915_private *i915); +void i915_gem_driver_unregister(struct drm_i915_private *i915); +void i915_gem_driver_remove(struct drm_i915_private *i915); +void i915_gem_driver_release(struct drm_i915_private *i915); + +int i915_gem_open(struct drm_i915_private *i915, struct drm_file *file); + +/* FIXME: All of the below belong somewhere else. */ + +#ifdef CONFIG_DRM_I915_DEBUG_GEM + +#define GEM_SHOW_DEBUG() drm_debug_enabled(DRM_UT_DRIVER) + +#ifdef CONFIG_DRM_I915_DEBUG_GEM_ONCE +#define __GEM_BUG(cond) BUG() +#else +#define __GEM_BUG(cond) \ + WARN(1, "%s:%d GEM_BUG_ON(%s)\n", __func__, __LINE__, __stringify(cond)) +#endif + +#define GEM_BUG_ON(condition) do { if (unlikely((condition))) { \ + GEM_TRACE_ERR("%s:%d GEM_BUG_ON(%s)\n", \ + __func__, __LINE__, __stringify(condition)); \ + GEM_TRACE_DUMP(); \ + __GEM_BUG(condition); \ + } \ + } while(0) +#define GEM_WARN_ON(expr) WARN_ON(expr) + +#define GEM_DEBUG_WARN_ON(expr) GEM_WARN_ON(expr) + +#else + +#define GEM_SHOW_DEBUG() (0) + +#define GEM_BUG_ON(expr) BUILD_BUG_ON_INVALID(expr) +#define GEM_WARN_ON(expr) ({ unlikely(!!(expr)); }) + +#define GEM_DEBUG_WARN_ON(expr) ({ BUILD_BUG_ON_INVALID(expr); 0; }) +#endif + +#if IS_ENABLED(CONFIG_DRM_I915_TRACE_GEM) +#define GEM_TRACE(...) trace_printk(__VA_ARGS__) +#define GEM_TRACE_ERR(...) do { \ + pr_err(__VA_ARGS__); \ + trace_printk(__VA_ARGS__); \ +} while (0) +#define GEM_TRACE_DUMP() \ + do { ftrace_dump(DUMP_ALL); __add_taint_for_CI(TAINT_WARN); } while (0) +#define GEM_TRACE_DUMP_ON(expr) \ + do { if (expr) GEM_TRACE_DUMP(); } while (0) +#else +#define GEM_TRACE(...) do { } while (0) +#define GEM_TRACE_ERR(...) do { } while (0) +#define GEM_TRACE_DUMP() do { } while (0) +#define GEM_TRACE_DUMP_ON(expr) BUILD_BUG_ON_INVALID(expr) +#endif + +#define I915_GEM_IDLE_TIMEOUT (HZ / 5) + +#endif /* __I915_GEM_H__ */ |