1 // SPDX-License-Identifier: GPL-2.0-only
3 // Copyright(c) 2021-2022 Intel Corporation
15 /* Caller responsible for holding adev->modres_mutex. */
20 	for (i = 0; i < adev->mods_info->count; i++) {  in avs_module_entry_index()
23 		module = &adev->mods_info->entries[i];  in avs_module_entry_index()
24 		if (guid_equal(&module->uuid, uuid))  in avs_module_entry_index()
28 	return -ENOENT;  in avs_module_entry_index()
31 /* Caller responsible for holding adev->modres_mutex. */
36 	for (i = 0; i < adev->mods_info->count; i++) {  in avs_module_id_entry_index()
39 		module = &adev->mods_info->entries[i];  in avs_module_id_entry_index()
40 		if (module->module_id == module_id)  in avs_module_id_entry_index()
44 	return -ENOENT;  in avs_module_id_entry_index()
47 int avs_get_module_entry(struct avs_dev *adev, const guid_t *uuid, struct avs_module_entry *entry)  in avs_get_module_entry()  argument
51 	mutex_lock(&adev->modres_mutex);  in avs_get_module_entry()
55 		memcpy(entry, &adev->mods_info->entries[idx], sizeof(*entry));  in avs_get_module_entry()
57 	mutex_unlock(&adev->modres_mutex);  in avs_get_module_entry()
61 int avs_get_module_id_entry(struct avs_dev *adev, u32 module_id, struct avs_module_entry *entry)  in avs_get_module_id_entry()  argument
65 	mutex_lock(&adev->modres_mutex);  in avs_get_module_id_entry()
69 		memcpy(entry, &adev->mods_info->entries[idx], sizeof(*entry));  in avs_get_module_id_entry()
71 	mutex_unlock(&adev->modres_mutex);  in avs_get_module_id_entry()
81 	return !ret ? module.module_id : -ENOENT;  in avs_get_module_id()
89 	mutex_lock(&adev->modres_mutex);  in avs_is_module_ida_empty()
93 		ret = ida_is_empty(adev->mod_idas[idx]);  in avs_is_module_ida_empty()
95 	mutex_unlock(&adev->modres_mutex);  in avs_is_module_ida_empty()
99 /* Caller responsible for holding adev->modres_mutex. */
102 	int i = adev->mods_info ? adev->mods_info->count : 0;  in avs_module_ida_destroy()
104 	while (i--) {  in avs_module_ida_destroy()
105 		ida_destroy(adev->mod_idas[i]);  in avs_module_ida_destroy()
106 		kfree(adev->mod_idas[i]);  in avs_module_ida_destroy()
108 	kfree(adev->mod_idas);  in avs_module_ida_destroy()
111 /* Caller responsible for holding adev->modres_mutex. */
115 	struct avs_mods_info *oldinfo = adev->mods_info;  in avs_module_ida_alloc()
121 		if (oldinfo->count >= newinfo->count)  in avs_module_ida_alloc()
122 			dev_warn(adev->dev, "refreshing %d modules info with %d\n",  in avs_module_ida_alloc()
123 				 oldinfo->count, newinfo->count);  in avs_module_ida_alloc()
124 		tocopy_count = oldinfo->count;  in avs_module_ida_alloc()
127 	ida_ptrs = kcalloc(newinfo->count, sizeof(*ida_ptrs), GFP_KERNEL);  in avs_module_ida_alloc()
129 		return -ENOMEM;  in avs_module_ida_alloc()
132 		memcpy(ida_ptrs, adev->mod_idas, tocopy_count * sizeof(*ida_ptrs));  in avs_module_ida_alloc()
134 	for (i = tocopy_count; i < newinfo->count; i++) {  in avs_module_ida_alloc()
137 			while (i--)  in avs_module_ida_alloc()
141 			return -ENOMEM;  in avs_module_ida_alloc()
149 		kfree(adev->mod_idas);  in avs_module_ida_alloc()
153 	adev->mod_idas = ida_ptrs;  in avs_module_ida_alloc()
166 	mutex_lock(&adev->modres_mutex);  in avs_module_info_init()
170 		dev_err(adev->dev, "initialize module idas failed: %d\n", ret);  in avs_module_info_init()
175 	kfree(adev->mods_info);  in avs_module_info_init()
176 	adev->mods_info = info;  in avs_module_info_init()
179 	mutex_unlock(&adev->modres_mutex);  in avs_module_info_init()
185 	mutex_lock(&adev->modres_mutex);  in avs_module_info_free()
188 	kfree(adev->mods_info);  in avs_module_info_free()
189 	adev->mods_info = NULL;  in avs_module_info_free()
191 	mutex_unlock(&adev->modres_mutex);  in avs_module_info_free()
198 	mutex_lock(&adev->modres_mutex);  in avs_module_id_alloc()
201 	if (idx == -ENOENT) {  in avs_module_id_alloc()
202 		dev_err(adev->dev, "invalid module id: %d", module_id);  in avs_module_id_alloc()
203 		ret = -EINVAL;  in avs_module_id_alloc()
206 	max_id = adev->mods_info->entries[idx].instance_max_count - 1;  in avs_module_id_alloc()
207 	ret = ida_alloc_max(adev->mod_idas[idx], max_id, GFP_KERNEL);  in avs_module_id_alloc()
209 	mutex_unlock(&adev->modres_mutex);  in avs_module_id_alloc()
217 	mutex_lock(&adev->modres_mutex);  in avs_module_id_free()
220 	if (idx == -ENOENT) {  in avs_module_id_free()
221 		dev_err(adev->dev, "invalid module id: %d", module_id);  in avs_module_id_free()
225 	ida_free(adev->mod_idas[idx], instance_id);  in avs_module_id_free()
227 	mutex_unlock(&adev->modres_mutex);  in avs_module_id_free()
235 int avs_request_firmware(struct avs_dev *adev, const struct firmware **fw_p, const char *name)  in avs_request_firmware()  argument
237 	struct avs_fw_entry *entry;  in avs_request_firmware()  local
241 	list_for_each_entry(entry, &adev->fw_list, node) {  in avs_request_firmware()
242 		if (!strcmp(name, entry->name)) {  in avs_request_firmware()
243 			*fw_p = entry->fw;  in avs_request_firmware()
249 	entry = kzalloc(sizeof(*entry), GFP_KERNEL);  in avs_request_firmware()
250 	if (!entry)  in avs_request_firmware()
251 		return -ENOMEM;  in avs_request_firmware()
253 	entry->name = kstrdup_const(name, GFP_KERNEL);  in avs_request_firmware()
254 	if (!entry->name) {  in avs_request_firmware()
255 		kfree(entry);  in avs_request_firmware()
256 		return -ENOMEM;  in avs_request_firmware()
259 	ret = request_firmware(&entry->fw, name, adev->dev);  in avs_request_firmware()
261 		kfree_const(entry->name);  in avs_request_firmware()
262 		kfree(entry);  in avs_request_firmware()
266 	*fw_p = entry->fw;  in avs_request_firmware()
268 	list_add_tail(&entry->node, &adev->fw_list);  in avs_request_firmware()
274  * Release single FW entry, used to handle errors in functions calling
279 	struct avs_fw_entry *entry;  in avs_release_last_firmware()  local
281 	entry = list_last_entry(&adev->fw_list, typeof(*entry), node);  in avs_release_last_firmware()
283 	list_del(&entry->node);  in avs_release_last_firmware()
284 	release_firmware(entry->fw);  in avs_release_last_firmware()
285 	kfree_const(entry->name);  in avs_release_last_firmware()
286 	kfree(entry);  in avs_release_last_firmware()
294 	struct avs_fw_entry *entry, *tmp;  in avs_release_firmwares()  local
296 	list_for_each_entry_safe(entry, tmp, &adev->fw_list, node) {  in avs_release_firmwares()
297 		list_del(&entry->node);  in avs_release_firmwares()
298 		release_firmware(entry->fw);  in avs_release_firmwares()
299 		kfree_const(entry->name);  in avs_release_firmwares()
300 		kfree(entry);  in avs_release_firmwares()