41 static int hns_roce_cmd_mbox_post_hw(struct hns_roce_dev *hr_dev,  in hns_roce_cmd_mbox_post_hw()  argument
44 	return hr_dev->hw->post_mbox(hr_dev, mbox_msg);  in hns_roce_cmd_mbox_post_hw()
48 static int __hns_roce_cmd_mbox_poll(struct hns_roce_dev *hr_dev,  in __hns_roce_cmd_mbox_poll()  argument
53 	ret = hns_roce_cmd_mbox_post_hw(hr_dev, mbox_msg);  in __hns_roce_cmd_mbox_poll()
55 		dev_err_ratelimited(hr_dev->dev,  in __hns_roce_cmd_mbox_poll()
61 	return hr_dev->hw->poll_mbox_done(hr_dev);  in __hns_roce_cmd_mbox_poll()
64 static int hns_roce_cmd_mbox_poll(struct hns_roce_dev *hr_dev,  in hns_roce_cmd_mbox_poll()  argument
69 	down(&hr_dev->cmd.poll_sem);  in hns_roce_cmd_mbox_poll()
70 	ret = __hns_roce_cmd_mbox_poll(hr_dev, mbox_msg);  in hns_roce_cmd_mbox_poll()
71 	up(&hr_dev->cmd.poll_sem);  in hns_roce_cmd_mbox_poll()
76 void hns_roce_cmd_event(struct hns_roce_dev *hr_dev, u16 token, u8 status,  in hns_roce_cmd_event()  argument
80 		&hr_dev->cmd.context[token % hr_dev->cmd.max_cmds];  in hns_roce_cmd_event()
83 		dev_err_ratelimited(hr_dev->dev,  in hns_roce_cmd_event()
94 static int __hns_roce_cmd_mbox_wait(struct hns_roce_dev *hr_dev,  in __hns_roce_cmd_mbox_wait()  argument
97 	struct hns_roce_cmdq *cmd = &hr_dev->cmd;  in __hns_roce_cmd_mbox_wait()
99 	struct device *dev = hr_dev->dev;  in __hns_roce_cmd_mbox_wait()
117 	ret = hns_roce_cmd_mbox_post_hw(hr_dev, mbox_msg);  in __hns_roce_cmd_mbox_wait()
143 static int hns_roce_cmd_mbox_wait(struct hns_roce_dev *hr_dev,  in hns_roce_cmd_mbox_wait()  argument
148 	down(&hr_dev->cmd.event_sem);  in hns_roce_cmd_mbox_wait()
149 	ret = __hns_roce_cmd_mbox_wait(hr_dev, mbox_msg);  in hns_roce_cmd_mbox_wait()
150 	up(&hr_dev->cmd.event_sem);  in hns_roce_cmd_mbox_wait()
155 int hns_roce_cmd_mbox(struct hns_roce_dev *hr_dev, u64 in_param, u64 out_param,  in hns_roce_cmd_mbox()  argument
161 	if (hr_dev->hw->chk_mbox_avail)  in hns_roce_cmd_mbox()
162 		if (!hr_dev->hw->chk_mbox_avail(hr_dev, &is_busy))  in hns_roce_cmd_mbox()
170 	if (hr_dev->cmd.use_events) {  in hns_roce_cmd_mbox()
173 		return hns_roce_cmd_mbox_wait(hr_dev, &mbox_msg);  in hns_roce_cmd_mbox()
178 		return hns_roce_cmd_mbox_poll(hr_dev, &mbox_msg);  in hns_roce_cmd_mbox()
182 int hns_roce_cmd_init(struct hns_roce_dev *hr_dev)  in hns_roce_cmd_init()  argument
184 	sema_init(&hr_dev->cmd.poll_sem, 1);  in hns_roce_cmd_init()
185 	hr_dev->cmd.use_events = 0;  in hns_roce_cmd_init()
186 	hr_dev->cmd.max_cmds = CMD_MAX_NUM;  in hns_roce_cmd_init()
187 	hr_dev->cmd.pool = dma_pool_create("hns_roce_cmd", hr_dev->dev,  in hns_roce_cmd_init()
190 	if (!hr_dev->cmd.pool)  in hns_roce_cmd_init()
196 void hns_roce_cmd_cleanup(struct hns_roce_dev *hr_dev)  in hns_roce_cmd_cleanup()  argument
198 	dma_pool_destroy(hr_dev->cmd.pool);  in hns_roce_cmd_cleanup()
201 int hns_roce_cmd_use_events(struct hns_roce_dev *hr_dev)  in hns_roce_cmd_use_events()  argument
203 	struct hns_roce_cmdq *hr_cmd = &hr_dev->cmd;  in hns_roce_cmd_use_events()
209 		hr_dev->cmd_mod = 0;  in hns_roce_cmd_use_events()
229 void hns_roce_cmd_use_polling(struct hns_roce_dev *hr_dev)  in hns_roce_cmd_use_polling()  argument
231 	struct hns_roce_cmdq *hr_cmd = &hr_dev->cmd;  in hns_roce_cmd_use_polling()
238 hns_roce_alloc_cmd_mailbox(struct hns_roce_dev *hr_dev)  in hns_roce_alloc_cmd_mailbox()  argument
247 		dma_pool_alloc(hr_dev->cmd.pool, GFP_KERNEL, &mailbox->dma);  in hns_roce_alloc_cmd_mailbox()
256 void hns_roce_free_cmd_mailbox(struct hns_roce_dev *hr_dev,  in hns_roce_free_cmd_mailbox()  argument
262 	dma_pool_free(hr_dev->cmd.pool, mailbox->buf, mailbox->dma);  in hns_roce_free_cmd_mailbox()