![Christian König](/assets/img/avatar_default.png)
Signed-off-by: Christian König <christian.koenig@amd.com> Acked-by: Alex Deucher <aleander.deucher@amd.com>
272 lines
6.9 KiB
C
272 lines
6.9 KiB
C
/*
|
|
* Copyright 2015 Advanced Micro Devices, Inc.
|
|
* All Rights Reserved.
|
|
*
|
|
* 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, sub license, 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 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 NON-INFRINGEMENT. IN NO EVENT SHALL
|
|
* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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.
|
|
*
|
|
* The above copyright notice and this permission notice (including the
|
|
* next paragraph) shall be included in all copies or substantial portions
|
|
* of the Software.
|
|
*
|
|
*/
|
|
/*
|
|
* Authors:
|
|
* Christian König <deathsimple@vodafone.de>
|
|
*/
|
|
|
|
#include <drm/drmP.h>
|
|
#include "amdgpu.h"
|
|
#include "amdgpu_trace.h"
|
|
|
|
static int amdgpu_bo_list_create(struct amdgpu_fpriv *fpriv,
|
|
struct amdgpu_bo_list **result,
|
|
int *id)
|
|
{
|
|
int r;
|
|
|
|
*result = kzalloc(sizeof(struct amdgpu_bo_list), GFP_KERNEL);
|
|
if (!*result)
|
|
return -ENOMEM;
|
|
|
|
mutex_lock(&fpriv->bo_list_lock);
|
|
r = idr_alloc(&fpriv->bo_list_handles, *result,
|
|
1, 0, GFP_KERNEL);
|
|
if (r < 0) {
|
|
mutex_unlock(&fpriv->bo_list_lock);
|
|
kfree(*result);
|
|
return r;
|
|
}
|
|
*id = r;
|
|
|
|
mutex_init(&(*result)->lock);
|
|
(*result)->num_entries = 0;
|
|
(*result)->array = NULL;
|
|
|
|
mutex_lock(&(*result)->lock);
|
|
mutex_unlock(&fpriv->bo_list_lock);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void amdgpu_bo_list_destroy(struct amdgpu_fpriv *fpriv, int id)
|
|
{
|
|
struct amdgpu_bo_list *list;
|
|
|
|
mutex_lock(&fpriv->bo_list_lock);
|
|
list = idr_find(&fpriv->bo_list_handles, id);
|
|
if (list) {
|
|
mutex_lock(&list->lock);
|
|
idr_remove(&fpriv->bo_list_handles, id);
|
|
mutex_unlock(&list->lock);
|
|
amdgpu_bo_list_free(list);
|
|
}
|
|
mutex_unlock(&fpriv->bo_list_lock);
|
|
}
|
|
|
|
static int amdgpu_bo_list_set(struct amdgpu_device *adev,
|
|
struct drm_file *filp,
|
|
struct amdgpu_bo_list *list,
|
|
struct drm_amdgpu_bo_list_entry *info,
|
|
unsigned num_entries)
|
|
{
|
|
struct amdgpu_bo_list_entry *array;
|
|
struct amdgpu_bo *gds_obj = adev->gds.gds_gfx_bo;
|
|
struct amdgpu_bo *gws_obj = adev->gds.gws_gfx_bo;
|
|
struct amdgpu_bo *oa_obj = adev->gds.oa_gfx_bo;
|
|
|
|
bool has_userptr = false;
|
|
unsigned i;
|
|
|
|
array = drm_malloc_ab(num_entries, sizeof(struct amdgpu_bo_list_entry));
|
|
if (!array)
|
|
return -ENOMEM;
|
|
memset(array, 0, num_entries * sizeof(struct amdgpu_bo_list_entry));
|
|
|
|
for (i = 0; i < num_entries; ++i) {
|
|
struct amdgpu_bo_list_entry *entry = &array[i];
|
|
struct drm_gem_object *gobj;
|
|
|
|
gobj = drm_gem_object_lookup(adev->ddev, filp, info[i].bo_handle);
|
|
if (!gobj)
|
|
goto error_free;
|
|
|
|
entry->robj = amdgpu_bo_ref(gem_to_amdgpu_bo(gobj));
|
|
drm_gem_object_unreference_unlocked(gobj);
|
|
entry->priority = info[i].bo_priority;
|
|
entry->prefered_domains = entry->robj->initial_domain;
|
|
entry->allowed_domains = entry->prefered_domains;
|
|
if (entry->allowed_domains == AMDGPU_GEM_DOMAIN_VRAM)
|
|
entry->allowed_domains |= AMDGPU_GEM_DOMAIN_GTT;
|
|
if (amdgpu_ttm_tt_has_userptr(entry->robj->tbo.ttm)) {
|
|
has_userptr = true;
|
|
entry->prefered_domains = AMDGPU_GEM_DOMAIN_GTT;
|
|
entry->allowed_domains = AMDGPU_GEM_DOMAIN_GTT;
|
|
}
|
|
entry->tv.bo = &entry->robj->tbo;
|
|
entry->tv.shared = true;
|
|
|
|
if (entry->prefered_domains == AMDGPU_GEM_DOMAIN_GDS)
|
|
gds_obj = entry->robj;
|
|
if (entry->prefered_domains == AMDGPU_GEM_DOMAIN_GWS)
|
|
gws_obj = entry->robj;
|
|
if (entry->prefered_domains == AMDGPU_GEM_DOMAIN_OA)
|
|
oa_obj = entry->robj;
|
|
|
|
trace_amdgpu_bo_list_set(list, entry->robj);
|
|
}
|
|
|
|
for (i = 0; i < list->num_entries; ++i)
|
|
amdgpu_bo_unref(&list->array[i].robj);
|
|
|
|
drm_free_large(list->array);
|
|
|
|
list->gds_obj = gds_obj;
|
|
list->gws_obj = gws_obj;
|
|
list->oa_obj = oa_obj;
|
|
list->has_userptr = has_userptr;
|
|
list->array = array;
|
|
list->num_entries = num_entries;
|
|
|
|
return 0;
|
|
|
|
error_free:
|
|
drm_free_large(array);
|
|
return -ENOENT;
|
|
}
|
|
|
|
struct amdgpu_bo_list *
|
|
amdgpu_bo_list_get(struct amdgpu_fpriv *fpriv, int id)
|
|
{
|
|
struct amdgpu_bo_list *result;
|
|
|
|
mutex_lock(&fpriv->bo_list_lock);
|
|
result = idr_find(&fpriv->bo_list_handles, id);
|
|
if (result)
|
|
mutex_lock(&result->lock);
|
|
mutex_unlock(&fpriv->bo_list_lock);
|
|
return result;
|
|
}
|
|
|
|
void amdgpu_bo_list_put(struct amdgpu_bo_list *list)
|
|
{
|
|
mutex_unlock(&list->lock);
|
|
}
|
|
|
|
void amdgpu_bo_list_free(struct amdgpu_bo_list *list)
|
|
{
|
|
unsigned i;
|
|
|
|
for (i = 0; i < list->num_entries; ++i)
|
|
amdgpu_bo_unref(&list->array[i].robj);
|
|
|
|
mutex_destroy(&list->lock);
|
|
drm_free_large(list->array);
|
|
kfree(list);
|
|
}
|
|
|
|
int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *filp)
|
|
{
|
|
const uint32_t info_size = sizeof(struct drm_amdgpu_bo_list_entry);
|
|
|
|
struct amdgpu_device *adev = dev->dev_private;
|
|
struct amdgpu_fpriv *fpriv = filp->driver_priv;
|
|
union drm_amdgpu_bo_list *args = data;
|
|
uint32_t handle = args->in.list_handle;
|
|
const void __user *uptr = (const void*)(long)args->in.bo_info_ptr;
|
|
|
|
struct drm_amdgpu_bo_list_entry *info;
|
|
struct amdgpu_bo_list *list;
|
|
|
|
int r;
|
|
|
|
info = drm_malloc_ab(args->in.bo_number,
|
|
sizeof(struct drm_amdgpu_bo_list_entry));
|
|
if (!info)
|
|
return -ENOMEM;
|
|
|
|
/* copy the handle array from userspace to a kernel buffer */
|
|
r = -EFAULT;
|
|
if (likely(info_size == args->in.bo_info_size)) {
|
|
unsigned long bytes = args->in.bo_number *
|
|
args->in.bo_info_size;
|
|
|
|
if (copy_from_user(info, uptr, bytes))
|
|
goto error_free;
|
|
|
|
} else {
|
|
unsigned long bytes = min(args->in.bo_info_size, info_size);
|
|
unsigned i;
|
|
|
|
memset(info, 0, args->in.bo_number * info_size);
|
|
for (i = 0; i < args->in.bo_number; ++i) {
|
|
if (copy_from_user(&info[i], uptr, bytes))
|
|
goto error_free;
|
|
|
|
uptr += args->in.bo_info_size;
|
|
}
|
|
}
|
|
|
|
switch (args->in.operation) {
|
|
case AMDGPU_BO_LIST_OP_CREATE:
|
|
r = amdgpu_bo_list_create(fpriv, &list, &handle);
|
|
if (r)
|
|
goto error_free;
|
|
|
|
r = amdgpu_bo_list_set(adev, filp, list, info,
|
|
args->in.bo_number);
|
|
amdgpu_bo_list_put(list);
|
|
if (r)
|
|
goto error_free;
|
|
|
|
break;
|
|
|
|
case AMDGPU_BO_LIST_OP_DESTROY:
|
|
amdgpu_bo_list_destroy(fpriv, handle);
|
|
handle = 0;
|
|
break;
|
|
|
|
case AMDGPU_BO_LIST_OP_UPDATE:
|
|
r = -ENOENT;
|
|
list = amdgpu_bo_list_get(fpriv, handle);
|
|
if (!list)
|
|
goto error_free;
|
|
|
|
r = amdgpu_bo_list_set(adev, filp, list, info,
|
|
args->in.bo_number);
|
|
amdgpu_bo_list_put(list);
|
|
if (r)
|
|
goto error_free;
|
|
|
|
break;
|
|
|
|
default:
|
|
r = -EINVAL;
|
|
goto error_free;
|
|
}
|
|
|
|
memset(args, 0, sizeof(*args));
|
|
args->out.list_handle = handle;
|
|
drm_free_large(info);
|
|
|
|
return 0;
|
|
|
|
error_free:
|
|
drm_free_large(info);
|
|
return r;
|
|
}
|