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/*
* SPDX-License-Identifier: MIT
*
* Copyright © 2016 Intel Corporation
*/
#include "mock_context.h"
#include "selftests/mock_gtt.h"
struct i915_gem_context *
mock_context(struct drm_i915_private *i915,
const char *name)
{
struct i915_gem_context *ctx;
struct i915_gem_engines *e;
int ret;
ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
if (!ctx)
return NULL;
kref_init(&ctx->ref);
INIT_LIST_HEAD(&ctx->link);
ctx->i915 = i915;
mutex_init(&ctx->engines_mutex);
e = default_engines(ctx);
if (IS_ERR(e))
goto err_free;
RCU_INIT_POINTER(ctx->engines, e);
INIT_RADIX_TREE(&ctx->handles_vma, GFP_KERNEL);
INIT_LIST_HEAD(&ctx->hw_id_link);
mutex_init(&ctx->mutex);
ret = i915_gem_context_pin_hw_id(ctx);
if (ret < 0)
goto err_engines;
if (name) {
struct i915_ppgtt *ppgtt;
ctx->name = kstrdup(name, GFP_KERNEL);
if (!ctx->name)
goto err_put;
ppgtt = mock_ppgtt(i915, name);
if (!ppgtt)
goto err_put;
__set_ppgtt(ctx, &ppgtt->vm);
i915_vm_put(&ppgtt->vm);
}
return ctx;
err_engines:
free_engines(rcu_access_pointer(ctx->engines));
err_free:
kfree(ctx);
return NULL;
err_put:
i915_gem_context_set_closed(ctx);
i915_gem_context_put(ctx);
return NULL;
}
void mock_context_close(struct i915_gem_context *ctx)
{
context_close(ctx);
}
void mock_init_contexts(struct drm_i915_private *i915)
{
init_contexts(i915);
}
struct i915_gem_context *
live_context(struct drm_i915_private *i915, struct drm_file *file)
{
struct i915_gem_context *ctx;
int err;
lockdep_assert_held(&i915->drm.struct_mutex);
ctx = i915_gem_create_context(i915, 0);
if (IS_ERR(ctx))
return ctx;
err = gem_context_register(ctx, file->driver_priv);
if (err < 0)
goto err_ctx;
return ctx;
err_ctx:
context_close(ctx);
return ERR_PTR(err);
}
struct i915_gem_context *
kernel_context(struct drm_i915_private *i915)
{
return i915_gem_context_create_kernel(i915, I915_PRIORITY_NORMAL);
}
void kernel_context_close(struct i915_gem_context *ctx)
{
context_close(ctx);
}
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