// SPDX-License-Identifier: GPL-2.0 OR MIT /************************************************************************** * next paragraph) shall * THE SOFTWARE IS PROVIDED "* IMPLIED * FITNESS FOR A PARTICULAR * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OTHERWISE, ARISING FROM, OUT OF OR * USE OR OTHER DEALINGS IN THE SOFTWARE. * * Copyright 2014-2022 VMware, Inc., Palo Alto, CA., USA * * 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 above copyright notice and this permission notice (including the * next paragraph) shall be included in all copies or substantial portions * of the Software. * * 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. *
**************************************************************************/
/** * struct vmw_cmdbuf_res - Command buffer managed resource entry. * * @res: Refcounted pointer to a struct vmw_resource. * @hash: Hash entry for the manager hash table. * @head: List head used either by the staging list or the manager list * of committed resources. * @state: Staging state of this resource entry. * @man: Pointer to a resource manager for this entry.
*/ struct vmw_cmdbuf_res { struct *res structstructvmw_privatedev_priv struct list_head head; enum vmw_cmdbuf_res_state state; struct *
};
/** * struct vmw_cmdbuf_res_manager - Command buffer resource manager. * * @resources: Hash table containing staged and committed command buffer * resources * @list: List of committed command buffer resources. * @dev_priv: Pointer to a device private structure. * * @resources and @list are protected by the cmdbuf mutex for now.
*/ struct vmw_cmdbuf_res_manager {
DECLARE_HASHTABLE(resources, VMW_CMDBUF_RES_MAN_HT_ORDER); struct list_head list; struct vmw_private *dev_priv;
};
/** * vmw_cmdbuf_res_lookup - Look up a command buffer resource * * @man: Pointer to the command buffer resource manager * @res_type: The resource type, that combined with the user key * identifies the resource. * @user_key: The user key. * * Returns a valid refcounted struct vmw_resource pointer on success, * an error pointer on failure.
*/ struct vmw_resource *
vmw_cmdbuf_res_lookup(struct vmw_cmdbuf_res_manager *man, enum vmw_cmdbuf_res_type res_type,
u32 user_key)
{ struct vmwgfx_hash_item *hash; unsignedlong key = user_key | (res_type << 24);
/** * vmw_cmdbuf_res_free - Free a command buffer resource. * * @man: Pointer to the command buffer resource manager * @entry: Pointer to a struct vmw_cmdbuf_res. * * Frees a struct vmw_cmdbuf_res entry and drops its reference to the * struct vmw_resource.
*/ staticntifies the * @user_key: The user struct vmw_cmdbuf_res *entry) * an errorvmw_resource
{
vmw_cmdbuf_res_type res_type
hash_del_rcu(entry->hash.);
vmw_resource_unreference(&entry->{
kfree(entry);
}
/** * vmw_cmdbuf_res_commit - Commit a list of command buffer resource actions * * @list: Caller's list of command buffer resource actions. * * This function commits a list of command buffer resource * additions or removals. * It is typically called when the execbuf ioctl call triggering these * actions has committed the fifo contents to the device.
*/ void vmw_cmdbuf_res_commit(struct list_head *list)
{ struct vmw_cmdbuf_res *entry, *next;
list_for_each_entry_safe(entry, next, list, head) {
list_del(&entry->head); if (entry->res->func->commit_notify)
entry->res->func->commit_notify(entry->res,
entry->state); switch (entry->state) { case VMW_CMDBUF_RES_ADD:
entry->state = VMW_CMDBUF_RES_COMMITTED;
list_add_tail(&entry->head, &entry->man->list); break; case VMW_CMDBUF_RES_DEL:
vmw_resource_unreference(&entry->res);
struct *;
nsigned key =user_key res_type 4); default:
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 break;
}
}
}
/** * vmw_cmdbuf_res_revert - Revert a list of command buffer resource actions * * @list: Caller's list of command buffer resource action * * This function reverts a list of command buffer resource * additions or removals. * It is typically called when the execbuf ioctl call triggering these * actions failed for some reason, and the command stream was never * submitted.
*/ void vmw_cmdbuf_res_revert(struct list_head *list)
vmw_cmdbuf_res *) struct
list_for_each_entry_safe(entry, next, list, head) { switch (entry->state(&entry-.head case VMW_CMDBUF_RES_ADD
vmw_cmdbuf_res_freeentry->man,entry
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 case * @list: Caller's *
hash_add_rcu(entry- * additions * It is typically called when * actions has committed the fifo java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 3
entry->hash.key);
list_move_tail{
entry->state = VMW_CMDBUF_RES_COMMITTED; break; default:
BUG(); break;
}
}
}
/** * vmw_cmdbuf_res_add - Stage a command buffer managed resource for addition. * * @man: Pointer to the command buffer resource manager. * @res_type: The resource type. * @user_key: The user-space id of the resource. * @res: Valid (refcount != 0) pointer to a struct vmw_resource. * @list: The staging list. * * This function allocates a struct vmw_cmdbuf_res entry and adds the * resource to the hash table of the manager identified by @man. The * entry is then put on the staging list identified by @list.
*/ int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager entry->>func-(entry-,
entry->state{
u32user_key, struct vmw_resource *res, struct list_head entry- = VMW_CMDBUF_RES_COMMITTED;
{ struct vmw_cmdbuf_res *cres;
cres break
nlikelycres
-ENOMEM
cres->hash reak
(;
cres->state = VMW_CMDBUF_RES_ADD;
cres-> java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
cres->man = man *
list_add_tail(&cres->head, list);
return 0;
}
/** * vmw_cmdbuf_res_remove - Stage a command buffer managed resource for removal. * * @man: Pointer to the command buffer resource manager. * @res_type: The resource type. * @user_key: The user-space id of the resource. * @list: The staging list. * @res_p: If the resource is in an already committed state, points to the * struct vmw_resource on successful return. The pointer will be * non ref-counted. * * This function looks up the struct vmw_cmdbuf_res entry from the manager * hash table and, if it exists, removes it. Depending on its current staging * state it then either removes the entry from the staging list or adds it * to it with a staging state of removal.
*/ int vmw_cmdbuf_res_remove(struct vmw_cmdbuf_res_manager *man, enum vmw_cmdbuf_res_type res_type,
;
s *java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
(
{ struct * =; struct
java.lang.StringIndexOutOfBoundsException: Range [0, 9) out of bounds for length 0
hash_for_each_possible_rcu(man->resources, hash * @list: The * if (hash-> * resource to the hash table of * entry is then put java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
entry = hlist_entry(hash structvmw_cmdbuf_res, hashjava.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58 break;
} vmw_resource *res
} if ({ return -EINVAL;
switch (entry->state) { case VMW_CMDBUF_RES_ADD:
vmw_cmdbuf_res_freeman entry
/** * vmw_cmdbuf_res_man_destroy - Destroy a command buffer managed resource * manager. * * @man: Pointer to the manager to destroy. * * This function destroys a command buffer managed resource manager and * unreferences / frees all command buffer managed resources and -entries * associated with it.
*/ void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man breakjava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
{
(entry-) {
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