240 lines
6.3 KiB
C
240 lines
6.3 KiB
C
/*
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* SPDX-License-Identifier: MIT
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*
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* Copyright © 2016 Intel Corporation
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*/
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#ifndef __I915_GEM_CONTEXT_H__
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#define __I915_GEM_CONTEXT_H__
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#include "i915_gem_context_types.h"
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#include "gt/intel_context.h"
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#include "i915_drv.h"
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#include "i915_gem.h"
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#include "i915_gem_gtt.h"
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#include "i915_scheduler.h"
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#include "intel_device_info.h"
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struct drm_device;
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struct drm_file;
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static inline bool i915_gem_context_is_closed(const struct i915_gem_context *ctx)
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{
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return test_bit(CONTEXT_CLOSED, &ctx->flags);
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}
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static inline void i915_gem_context_set_closed(struct i915_gem_context *ctx)
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{
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GEM_BUG_ON(i915_gem_context_is_closed(ctx));
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set_bit(CONTEXT_CLOSED, &ctx->flags);
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}
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static inline bool i915_gem_context_no_error_capture(const struct i915_gem_context *ctx)
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{
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return test_bit(UCONTEXT_NO_ERROR_CAPTURE, &ctx->user_flags);
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}
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static inline void i915_gem_context_set_no_error_capture(struct i915_gem_context *ctx)
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{
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set_bit(UCONTEXT_NO_ERROR_CAPTURE, &ctx->user_flags);
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}
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static inline void i915_gem_context_clear_no_error_capture(struct i915_gem_context *ctx)
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{
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clear_bit(UCONTEXT_NO_ERROR_CAPTURE, &ctx->user_flags);
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}
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static inline bool i915_gem_context_is_bannable(const struct i915_gem_context *ctx)
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{
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return test_bit(UCONTEXT_BANNABLE, &ctx->user_flags);
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}
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static inline void i915_gem_context_set_bannable(struct i915_gem_context *ctx)
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{
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set_bit(UCONTEXT_BANNABLE, &ctx->user_flags);
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}
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static inline void i915_gem_context_clear_bannable(struct i915_gem_context *ctx)
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{
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clear_bit(UCONTEXT_BANNABLE, &ctx->user_flags);
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}
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static inline bool i915_gem_context_is_recoverable(const struct i915_gem_context *ctx)
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{
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return test_bit(UCONTEXT_RECOVERABLE, &ctx->user_flags);
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}
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static inline void i915_gem_context_set_recoverable(struct i915_gem_context *ctx)
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{
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set_bit(UCONTEXT_RECOVERABLE, &ctx->user_flags);
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}
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static inline void i915_gem_context_clear_recoverable(struct i915_gem_context *ctx)
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{
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clear_bit(UCONTEXT_RECOVERABLE, &ctx->user_flags);
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}
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static inline bool i915_gem_context_is_banned(const struct i915_gem_context *ctx)
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{
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return test_bit(CONTEXT_BANNED, &ctx->flags);
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}
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static inline void i915_gem_context_set_banned(struct i915_gem_context *ctx)
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{
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set_bit(CONTEXT_BANNED, &ctx->flags);
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}
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static inline bool i915_gem_context_force_single_submission(const struct i915_gem_context *ctx)
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{
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return test_bit(CONTEXT_FORCE_SINGLE_SUBMISSION, &ctx->flags);
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}
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static inline void i915_gem_context_set_force_single_submission(struct i915_gem_context *ctx)
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{
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__set_bit(CONTEXT_FORCE_SINGLE_SUBMISSION, &ctx->flags);
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}
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static inline bool
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i915_gem_context_user_engines(const struct i915_gem_context *ctx)
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{
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return test_bit(CONTEXT_USER_ENGINES, &ctx->flags);
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}
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static inline void
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i915_gem_context_set_user_engines(struct i915_gem_context *ctx)
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{
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set_bit(CONTEXT_USER_ENGINES, &ctx->flags);
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}
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static inline void
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i915_gem_context_clear_user_engines(struct i915_gem_context *ctx)
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{
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clear_bit(CONTEXT_USER_ENGINES, &ctx->flags);
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}
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static inline bool i915_gem_context_is_kernel(struct i915_gem_context *ctx)
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{
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return !ctx->file_priv;
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}
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/* i915_gem_context.c */
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int __must_check i915_gem_init_contexts(struct drm_i915_private *i915);
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void i915_gem_driver_release__contexts(struct drm_i915_private *i915);
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int i915_gem_context_open(struct drm_i915_private *i915,
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struct drm_file *file);
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void i915_gem_context_close(struct drm_file *file);
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void i915_gem_context_release(struct kref *ctx_ref);
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int i915_gem_vm_create_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file);
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int i915_gem_vm_destroy_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file);
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int i915_gem_context_create_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file);
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int i915_gem_context_destroy_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file);
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int i915_gem_context_getparam_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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int i915_gem_context_setparam_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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int i915_gem_context_reset_stats_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file);
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struct i915_gem_context *
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i915_gem_context_create_kernel(struct drm_i915_private *i915, int prio);
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static inline struct i915_gem_context *
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i915_gem_context_get(struct i915_gem_context *ctx)
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{
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kref_get(&ctx->ref);
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return ctx;
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}
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static inline void i915_gem_context_put(struct i915_gem_context *ctx)
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{
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kref_put(&ctx->ref, i915_gem_context_release);
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}
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static inline struct i915_address_space *
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i915_gem_context_vm(struct i915_gem_context *ctx)
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{
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return rcu_dereference_protected(ctx->vm, lockdep_is_held(&ctx->mutex));
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}
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static inline struct i915_address_space *
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i915_gem_context_get_vm_rcu(struct i915_gem_context *ctx)
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{
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struct i915_address_space *vm;
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rcu_read_lock();
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vm = rcu_dereference(ctx->vm);
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if (!vm)
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vm = &ctx->i915->ggtt.vm;
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vm = i915_vm_get(vm);
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rcu_read_unlock();
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return vm;
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}
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static inline struct i915_gem_engines *
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i915_gem_context_engines(struct i915_gem_context *ctx)
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{
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return rcu_dereference_protected(ctx->engines,
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lockdep_is_held(&ctx->engines_mutex));
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}
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static inline struct i915_gem_engines *
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i915_gem_context_lock_engines(struct i915_gem_context *ctx)
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__acquires(&ctx->engines_mutex)
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{
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mutex_lock(&ctx->engines_mutex);
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return i915_gem_context_engines(ctx);
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}
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static inline void
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i915_gem_context_unlock_engines(struct i915_gem_context *ctx)
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__releases(&ctx->engines_mutex)
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{
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mutex_unlock(&ctx->engines_mutex);
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}
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static inline struct intel_context *
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i915_gem_context_get_engine(struct i915_gem_context *ctx, unsigned int idx)
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{
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struct intel_context *ce = ERR_PTR(-EINVAL);
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rcu_read_lock(); {
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struct i915_gem_engines *e = rcu_dereference(ctx->engines);
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if (likely(idx < e->num_engines && e->engines[idx]))
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ce = intel_context_get(e->engines[idx]);
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} rcu_read_unlock();
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return ce;
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}
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static inline void
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i915_gem_engines_iter_init(struct i915_gem_engines_iter *it,
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struct i915_gem_engines *engines)
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{
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GEM_BUG_ON(!engines);
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it->engines = engines;
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it->idx = 0;
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}
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struct intel_context *
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i915_gem_engines_iter_next(struct i915_gem_engines_iter *it);
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#define for_each_gem_engine(ce, engines, it) \
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for (i915_gem_engines_iter_init(&(it), (engines)); \
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((ce) = i915_gem_engines_iter_next(&(it)));)
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struct i915_lut_handle *i915_lut_handle_alloc(void);
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void i915_lut_handle_free(struct i915_lut_handle *lut);
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#endif /* !__I915_GEM_CONTEXT_H__ */
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