diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gem/i915_gem_context.h')
| -rw-r--r-- | drivers/gpu/drm/i915/gem/i915_gem_context.h | 239 |
1 files changed, 239 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.h b/drivers/gpu/drm/i915/gem/i915_gem_context.h new file mode 100644 index 000000000000..9691dd062f72 --- /dev/null +++ b/drivers/gpu/drm/i915/gem/i915_gem_context.h @@ -0,0 +1,239 @@ +/* + * SPDX-License-Identifier: MIT + * + * Copyright © 2016 Intel Corporation + */ + +#ifndef __I915_GEM_CONTEXT_H__ +#define __I915_GEM_CONTEXT_H__ + +#include "i915_gem_context_types.h" + +#include "gt/intel_context.h" + +#include "i915_gem.h" +#include "i915_scheduler.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); +} + +static inline bool +i915_gem_context_user_engines(const struct i915_gem_context *ctx) +{ + return test_bit(CONTEXT_USER_ENGINES, &ctx->flags); +} + +static inline void +i915_gem_context_set_user_engines(struct i915_gem_context *ctx) +{ + set_bit(CONTEXT_USER_ENGINES, &ctx->flags); +} + +static inline void +i915_gem_context_clear_user_engines(struct i915_gem_context *ctx) +{ + clear_bit(CONTEXT_USER_ENGINES, &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_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); + +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); +} + +static inline struct i915_gem_engines * +i915_gem_context_engines(struct i915_gem_context *ctx) +{ + return rcu_dereference_protected(ctx->engines, + lockdep_is_held(&ctx->engines_mutex)); +} + +static inline struct i915_gem_engines * +i915_gem_context_lock_engines(struct i915_gem_context *ctx) + __acquires(&ctx->engines_mutex) +{ + mutex_lock(&ctx->engines_mutex); + return i915_gem_context_engines(ctx); +} + +static inline void +i915_gem_context_unlock_engines(struct i915_gem_context *ctx) + __releases(&ctx->engines_mutex) +{ + mutex_unlock(&ctx->engines_mutex); +} + +static inline struct intel_context * +i915_gem_context_lookup_engine(struct i915_gem_context *ctx, unsigned int idx) +{ + return i915_gem_context_engines(ctx)->engines[idx]; +} + +static inline struct intel_context * +i915_gem_context_get_engine(struct i915_gem_context *ctx, unsigned int idx) +{ + struct intel_context *ce = ERR_PTR(-EINVAL); + + rcu_read_lock(); { + struct i915_gem_engines *e = rcu_dereference(ctx->engines); + if (likely(idx < e->num_engines && e->engines[idx])) + ce = intel_context_get(e->engines[idx]); + } rcu_read_unlock(); + + return ce; +} + +static inline void +i915_gem_engines_iter_init(struct i915_gem_engines_iter *it, + struct i915_gem_engines *engines) +{ + GEM_BUG_ON(!engines); + it->engines = engines; + it->idx = 0; +} + +struct intel_context * +i915_gem_engines_iter_next(struct i915_gem_engines_iter *it); + +#define for_each_gem_engine(ce, engines, it) \ + for (i915_gem_engines_iter_init(&(it), (engines)); \ + ((ce) = i915_gem_engines_iter_next(&(it)));) + +struct i915_lut_handle *i915_lut_handle_alloc(void); +void i915_lut_handle_free(struct i915_lut_handle *lut); + +#endif /* !__I915_GEM_CONTEXT_H__ */ |