Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 248 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 0000000000..e5b0f66ea1
--- /dev/null
+++ b/drivers/gpu/drm/i915/gem/i915_gem_context.h
@@ -0,0 +1,248 @@
+/*
+ * 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_drv.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_persistent(const struct i915_gem_context *ctx)
+{
+	return test_bit(UCONTEXT_PERSISTENCE, &ctx->user_flags);
+}
+
+static inline void i915_gem_context_set_persistence(struct i915_gem_context *ctx)
+{
+	set_bit(UCONTEXT_PERSISTENCE, &ctx->user_flags);
+}
+
+static inline void i915_gem_context_clear_persistence(struct i915_gem_context *ctx)
+{
+	clear_bit(UCONTEXT_PERSISTENCE, &ctx->user_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);
+}
+
+static inline bool
+i915_gem_context_uses_protected_content(const struct i915_gem_context *ctx)
+{
+	return ctx->uses_protected_content;
+}
+
+/* i915_gem_context.c */
+void i915_gem_init__contexts(struct drm_i915_private *i915);
+
+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);
+
+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_lookup(struct drm_i915_file_private *file_priv, u32 id);
+
+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_address_space *
+i915_gem_context_vm(struct i915_gem_context *ctx)
+{
+	return rcu_dereference_protected(ctx->vm, lockdep_is_held(&ctx->mutex));
+}
+
+static inline bool i915_gem_context_has_full_ppgtt(struct i915_gem_context *ctx)
+{
+	GEM_BUG_ON(!!ctx->vm != HAS_FULL_PPGTT(ctx->i915));
+
+	return !!ctx->vm;
+}
+
+static inline struct i915_address_space *
+i915_gem_context_get_eb_vm(struct i915_gem_context *ctx)
+{
+	struct i915_address_space *vm;
+
+	vm = ctx->vm;
+	if (!vm)
+		vm = &to_gt(ctx->i915)->ggtt->vm;
+	vm = i915_vm_get(vm);
+
+	return vm;
+}
+
+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_get_engine(struct i915_gem_context *ctx, unsigned int idx)
+{
+	struct intel_context *ce;
+
+	rcu_read_lock(); {
+		struct i915_gem_engines *e = rcu_dereference(ctx->engines);
+		if (unlikely(!e)) /* context was closed! */
+			ce = ERR_PTR(-ENOENT);
+		else if (likely(idx < e->num_engines && e->engines[idx]))
+			ce = intel_context_get(e->engines[idx]);
+		else
+			ce = ERR_PTR(-EINVAL);
+	} rcu_read_unlock();
+
+	return ce;
+}
+
+static inline void
+i915_gem_engines_iter_init(struct i915_gem_engines_iter *it,
+			   struct i915_gem_engines *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)));)
+
+void i915_gem_context_module_exit(void);
+int i915_gem_context_module_init(void);
+
+struct i915_lut_handle *i915_lut_handle_alloc(void);
+void i915_lut_handle_free(struct i915_lut_handle *lut);
+
+int i915_gem_user_to_context_sseu(struct intel_gt *gt,
+				  const struct drm_i915_gem_context_param_sseu *user,
+				  struct intel_sseu *context);
+
+#endif /* !__I915_GEM_CONTEXT_H__ */