44 	int i, token = -EBUSY;  in __opal_async_get_token()  local
51 			token = i;  in __opal_async_get_token()
57 	return token;  in __opal_async_get_token()
61  * Note: If the returned token is used in an opal call and opal returns
68 	int token;  in opal_async_get_token_interruptible()  local
70 	/* Wait until a token is available */  in opal_async_get_token_interruptible()
74 	token = __opal_async_get_token();  in opal_async_get_token_interruptible()
75 	if (token < 0)  in opal_async_get_token_interruptible()
78 	return token;  in opal_async_get_token_interruptible()
82 static int __opal_async_release_token(int token)  in __opal_async_release_token()  argument
87 	if (token < 0 || token >= opal_max_async_tokens) {  in __opal_async_release_token()
88 		pr_err("%s: Passed token is out of range, token %d\n",  in __opal_async_release_token()
89 				__func__, token);  in __opal_async_release_token()
94 	switch (opal_async_tokens[token].state) {  in __opal_async_release_token()
97 		opal_async_tokens[token].state = ASYNC_TOKEN_UNALLOCATED;  in __opal_async_release_token()
102 	 * Mark a DISPATCHED token as ABANDONED so that the response handling  in __opal_async_release_token()
106 		opal_async_tokens[token].state = ASYNC_TOKEN_ABANDONED;  in __opal_async_release_token()
116 int opal_async_release_token(int token)  in opal_async_release_token()  argument
120 	ret = __opal_async_release_token(token);  in opal_async_release_token()
128 int opal_async_wait_response(uint64_t token, struct opal_msg *msg)  in opal_async_wait_response()  argument
130 	if (token >= opal_max_async_tokens) {  in opal_async_wait_response()
131 		pr_err("%s: Invalid token passed\n", __func__);  in opal_async_wait_response()
141 	 * There is no need to mark the token as dispatched, wait_event()  in opal_async_wait_response()
142 	 * will block until the token completes.  in opal_async_wait_response()
149 	wait_event(opal_async_wait, opal_async_tokens[token].state  in opal_async_wait_response()
151 	memcpy(msg, &opal_async_tokens[token].response, sizeof(*msg));  in opal_async_wait_response()
157 int opal_async_wait_response_interruptible(uint64_t token, struct opal_msg *msg)  in opal_async_wait_response_interruptible()  argument
162 	if (token >= opal_max_async_tokens) {  in opal_async_wait_response_interruptible()
163 		pr_err("%s: Invalid token passed\n", __func__);  in opal_async_wait_response_interruptible()
173 	 * The first time this gets called we mark the token as DISPATCHED  in opal_async_wait_response_interruptible()
175 	 * caller frees the token, we know not to actually free the token  in opal_async_wait_response_interruptible()
178 	 * Only change if the token is ALLOCATED - it may have been  in opal_async_wait_response_interruptible()
182 	 * There is also a dirty great comment at the token allocation  in opal_async_wait_response_interruptible()
186 	 * token.  in opal_async_wait_response_interruptible()
188 	if (opal_async_tokens[token].state == ASYNC_TOKEN_ALLOCATED) {  in opal_async_wait_response_interruptible()
190 		if (opal_async_tokens[token].state == ASYNC_TOKEN_ALLOCATED)  in opal_async_wait_response_interruptible()
191 			opal_async_tokens[token].state = ASYNC_TOKEN_DISPATCHED;  in opal_async_wait_response_interruptible()
202 			opal_async_tokens[token].state ==  in opal_async_wait_response_interruptible()
205 		memcpy(msg, &opal_async_tokens[token].response, sizeof(*msg));  in opal_async_wait_response_interruptible()
218 	uint64_t token;  in opal_async_comp_event()  local
223 	token = be64_to_cpu(comp_msg->params[0]);  in opal_async_comp_event()
225 	state = opal_async_tokens[token].state;  in opal_async_comp_event()
226 	opal_async_tokens[token].state = ASYNC_TOKEN_COMPLETED;  in opal_async_comp_event()
230 		/* Free the token, no one else will */  in opal_async_comp_event()
231 		opal_async_release_token(token);  in opal_async_comp_event()
234 	memcpy(&opal_async_tokens[token].response, comp_msg, sizeof(*comp_msg));  in opal_async_comp_event()