| /* |
| * 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_CONTEXT_H__ |
| #define __I915_GEM_CONTEXT_H__ |
| |
| #include "i915_gem_context_types.h" |
| |
| #include "i915_gem.h" |
| #include "i915_scheduler.h" |
| #include "intel_context.h" |
| #include "intel_device_info.h" |
| |
| struct drm_device; |
| struct drm_file; |
| |
| static inline bool i915_gem_context_is_closed(const struct i915_gem_context *ctx) |
| { |
| return test_bit(CONTEXT_CLOSED, &ctx->flags); |
| } |
| |
| static inline void i915_gem_context_set_closed(struct i915_gem_context *ctx) |
| { |
| GEM_BUG_ON(i915_gem_context_is_closed(ctx)); |
| set_bit(CONTEXT_CLOSED, &ctx->flags); |
| } |
| |
| static inline bool i915_gem_context_no_error_capture(const struct i915_gem_context *ctx) |
| { |
| return test_bit(UCONTEXT_NO_ERROR_CAPTURE, &ctx->user_flags); |
| } |
| |
| static inline void i915_gem_context_set_no_error_capture(struct i915_gem_context *ctx) |
| { |
| set_bit(UCONTEXT_NO_ERROR_CAPTURE, &ctx->user_flags); |
| } |
| |
| static inline void i915_gem_context_clear_no_error_capture(struct i915_gem_context *ctx) |
| { |
| clear_bit(UCONTEXT_NO_ERROR_CAPTURE, &ctx->user_flags); |
| } |
| |
| static inline bool i915_gem_context_is_bannable(const struct i915_gem_context *ctx) |
| { |
| return test_bit(UCONTEXT_BANNABLE, &ctx->user_flags); |
| } |
| |
| static inline void i915_gem_context_set_bannable(struct i915_gem_context *ctx) |
| { |
| set_bit(UCONTEXT_BANNABLE, &ctx->user_flags); |
| } |
| |
| static inline void i915_gem_context_clear_bannable(struct i915_gem_context *ctx) |
| { |
| clear_bit(UCONTEXT_BANNABLE, &ctx->user_flags); |
| } |
| |
| static inline bool i915_gem_context_is_recoverable(const struct i915_gem_context *ctx) |
| { |
| return test_bit(UCONTEXT_RECOVERABLE, &ctx->user_flags); |
| } |
| |
| static inline void i915_gem_context_set_recoverable(struct i915_gem_context *ctx) |
| { |
| set_bit(UCONTEXT_RECOVERABLE, &ctx->user_flags); |
| } |
| |
| static inline void i915_gem_context_clear_recoverable(struct i915_gem_context *ctx) |
| { |
| clear_bit(UCONTEXT_RECOVERABLE, &ctx->user_flags); |
| } |
| |
| static inline bool i915_gem_context_is_banned(const struct i915_gem_context *ctx) |
| { |
| return test_bit(CONTEXT_BANNED, &ctx->flags); |
| } |
| |
| static inline void i915_gem_context_set_banned(struct i915_gem_context *ctx) |
| { |
| set_bit(CONTEXT_BANNED, &ctx->flags); |
| } |
| |
| static inline bool i915_gem_context_force_single_submission(const struct i915_gem_context *ctx) |
| { |
| return test_bit(CONTEXT_FORCE_SINGLE_SUBMISSION, &ctx->flags); |
| } |
| |
| static inline void i915_gem_context_set_force_single_submission(struct i915_gem_context *ctx) |
| { |
| __set_bit(CONTEXT_FORCE_SINGLE_SUBMISSION, &ctx->flags); |
| } |
| |
| int __i915_gem_context_pin_hw_id(struct i915_gem_context *ctx); |
| static inline int i915_gem_context_pin_hw_id(struct i915_gem_context *ctx) |
| { |
| if (atomic_inc_not_zero(&ctx->hw_id_pin_count)) |
| return 0; |
| |
| return __i915_gem_context_pin_hw_id(ctx); |
| } |
| |
| static inline void i915_gem_context_unpin_hw_id(struct i915_gem_context *ctx) |
| { |
| GEM_BUG_ON(atomic_read(&ctx->hw_id_pin_count) == 0u); |
| atomic_dec(&ctx->hw_id_pin_count); |
| } |
| |
| static inline bool i915_gem_context_is_kernel(struct i915_gem_context *ctx) |
| { |
| return !ctx->file_priv; |
| } |
| |
| /* i915_gem_context.c */ |
| int __must_check i915_gem_contexts_init(struct drm_i915_private *dev_priv); |
| void i915_gem_contexts_lost(struct drm_i915_private *dev_priv); |
| void i915_gem_contexts_fini(struct drm_i915_private *dev_priv); |
| |
| int i915_gem_context_open(struct drm_i915_private *i915, |
| struct drm_file *file); |
| void i915_gem_context_close(struct drm_file *file); |
| |
| int i915_switch_context(struct i915_request *rq); |
| int i915_gem_switch_to_kernel_context(struct drm_i915_private *i915, |
| intel_engine_mask_t engine_mask); |
| |
| void i915_gem_context_release(struct kref *ctx_ref); |
| struct i915_gem_context * |
| i915_gem_context_create_gvt(struct drm_device *dev); |
| |
| int i915_gem_vm_create_ioctl(struct drm_device *dev, void *data, |
| struct drm_file *file); |
| int i915_gem_vm_destroy_ioctl(struct drm_device *dev, void *data, |
| struct drm_file *file); |
| |
| int i915_gem_context_create_ioctl(struct drm_device *dev, void *data, |
| struct drm_file *file); |
| int i915_gem_context_destroy_ioctl(struct drm_device *dev, void *data, |
| struct drm_file *file); |
| int i915_gem_context_getparam_ioctl(struct drm_device *dev, void *data, |
| struct drm_file *file_priv); |
| int i915_gem_context_setparam_ioctl(struct drm_device *dev, void *data, |
| struct drm_file *file_priv); |
| int i915_gem_context_reset_stats_ioctl(struct drm_device *dev, void *data, |
| struct drm_file *file); |
| |
| struct i915_gem_context * |
| i915_gem_context_create_kernel(struct drm_i915_private *i915, int prio); |
| |
| static inline struct i915_gem_context * |
| i915_gem_context_get(struct i915_gem_context *ctx) |
| { |
| kref_get(&ctx->ref); |
| return ctx; |
| } |
| |
| static inline void i915_gem_context_put(struct i915_gem_context *ctx) |
| { |
| kref_put(&ctx->ref, i915_gem_context_release); |
| } |
| |
| struct i915_lut_handle *i915_lut_handle_alloc(void); |
| void i915_lut_handle_free(struct i915_lut_handle *lut); |
| |
| #endif /* !__I915_GEM_CONTEXT_H__ */ |