62 static struct snet_ctrl_regs __iomem *snet_get_ctrl(struct snet *snet)  in snet_get_ctrl()  argument
64 	return snet->bar + snet->psnet->cfg.ctrl_off;  in snet_get_ctrl()
132 static int snet_ctrl_read_from_dpu(struct snet *snet, u16 opcode, u16 vq_idx, void *buffer,  in snet_ctrl_read_from_dpu()  argument
135 	struct pci_dev *pdev = snet->pdev;  in snet_ctrl_read_from_dpu()
136 	struct snet_ctrl_regs __iomem *regs = snet_get_ctrl(snet);  in snet_ctrl_read_from_dpu()
144 	if (!SNET_CFG_VER(snet, 2))  in snet_ctrl_read_from_dpu()
150 	mutex_lock(&snet->ctrl_lock);  in snet_ctrl_read_from_dpu()
165 	spin_lock(&snet->ctrl_spinlock);  in snet_ctrl_read_from_dpu()
170 	spin_unlock(&snet->ctrl_spinlock);  in snet_ctrl_read_from_dpu()
211 	mutex_unlock(&snet->ctrl_lock);  in snet_ctrl_read_from_dpu()
218 static int snet_send_ctrl_msg_old(struct snet *snet, u32 opcode)  in snet_send_ctrl_msg_old()  argument
220 	struct pci_dev *pdev = snet->pdev;  in snet_send_ctrl_msg_old()
221 	struct snet_ctrl_regs __iomem *regs = snet_get_ctrl(snet);  in snet_send_ctrl_msg_old()
224 	mutex_lock(&snet->ctrl_lock);  in snet_send_ctrl_msg_old()
245 	mutex_unlock(&snet->ctrl_lock);  in snet_send_ctrl_msg_old()
252 static int snet_send_ctrl_msg(struct snet *snet, u16 opcode, u16 vq_idx)  in snet_send_ctrl_msg()  argument
254 	struct pci_dev *pdev = snet->pdev;  in snet_send_ctrl_msg()
255 	struct snet_ctrl_regs __iomem *regs = snet_get_ctrl(snet);  in snet_send_ctrl_msg()
260 	if (!SNET_CFG_VER(snet, 2))  in snet_send_ctrl_msg()
261 		return snet_send_ctrl_msg_old(snet, opcode);  in snet_send_ctrl_msg()
263 	mutex_lock(&snet->ctrl_lock);  in snet_send_ctrl_msg()
276 	spin_lock(&snet->ctrl_spinlock);  in snet_send_ctrl_msg()
281 	spin_unlock(&snet->ctrl_spinlock);  in snet_send_ctrl_msg()
306 	mutex_unlock(&snet->ctrl_lock);  in snet_send_ctrl_msg()
310 void snet_ctrl_clear(struct snet *snet)  in snet_ctrl_clear()  argument
312 	struct snet_ctrl_regs __iomem *regs = snet_get_ctrl(snet);  in snet_ctrl_clear()
317 int snet_destroy_dev(struct snet *snet)  in snet_destroy_dev()  argument
319 	return snet_send_ctrl_msg(snet, SNET_CTRL_OP_DESTROY, 0);  in snet_destroy_dev()
322 int snet_read_vq_state(struct snet *snet, u16 idx, struct vdpa_vq_state *state)  in snet_read_vq_state()  argument
324 	return snet_ctrl_read_from_dpu(snet, SNET_CTRL_OP_READ_VQ_STATE, idx, state,  in snet_read_vq_state()
328 int snet_suspend_dev(struct snet *snet)  in snet_suspend_dev()  argument
330 	return snet_send_ctrl_msg(snet, SNET_CTRL_OP_SUSPEND, 0);  in snet_suspend_dev()
333 int snet_resume_dev(struct snet *snet)  in snet_resume_dev()  argument
335 	return snet_send_ctrl_msg(snet, SNET_CTRL_OP_RESUME, 0);  in snet_resume_dev()