1 // SPDX-License-Identifier: GPL-2.0
21 	pfvf->hw_ops = &cn20k_hw_ops;  in cn20k_init()
24 /* CN20K mbox AF => PFx irq handler */
28 	struct mbox *mw = &pf->mbox;  in cn20k_pfaf_mbox_intr_handler()
30 	struct otx2_mbox *mbox;  in cn20k_pfaf_mbox_intr_handler()  local
40 		mbox = &mw->mbox_up;  in cn20k_pfaf_mbox_intr_handler()
41 		mdev = &mbox->dev[0];  in cn20k_pfaf_mbox_intr_handler()
42 		otx2_sync_mbox_bbuf(mbox, 0);  in cn20k_pfaf_mbox_intr_handler()
44 		hdr = (struct mbox_hdr *)(mdev->mbase + mbox->rx_start);  in cn20k_pfaf_mbox_intr_handler()
45 		if (hdr->num_msgs)  in cn20k_pfaf_mbox_intr_handler()
46 			queue_work(pf->mbox_wq, &mw->mbox_up_wrk);  in cn20k_pfaf_mbox_intr_handler()
48 		trace_otx2_msg_interrupt(pf->pdev, "UP message from AF to PF",  in cn20k_pfaf_mbox_intr_handler()
53 		mbox = &mw->mbox;  in cn20k_pfaf_mbox_intr_handler()
54 		mdev = &mbox->dev[0];  in cn20k_pfaf_mbox_intr_handler()
55 		otx2_sync_mbox_bbuf(mbox, 0);  in cn20k_pfaf_mbox_intr_handler()
57 		hdr = (struct mbox_hdr *)(mdev->mbase + mbox->rx_start);  in cn20k_pfaf_mbox_intr_handler()
58 		if (hdr->num_msgs)  in cn20k_pfaf_mbox_intr_handler()
59 			queue_work(pf->mbox_wq, &mw->mbox_wrk);  in cn20k_pfaf_mbox_intr_handler()
60 		trace_otx2_msg_interrupt(pf->pdev, "DOWN reply from AF to PF",  in cn20k_pfaf_mbox_intr_handler()
71 	struct otx2_mbox *mbox;  in cn20k_vfaf_mbox_intr_handler()  local
79 	/* Read latest mbox data */  in cn20k_vfaf_mbox_intr_handler()
84 		mbox = &vf->mbox.mbox;  in cn20k_vfaf_mbox_intr_handler()
85 		mdev = &mbox->dev[0];  in cn20k_vfaf_mbox_intr_handler()
86 		otx2_sync_mbox_bbuf(mbox, 0);  in cn20k_vfaf_mbox_intr_handler()
88 		hdr = (struct mbox_hdr *)(mdev->mbase + mbox->rx_start);  in cn20k_vfaf_mbox_intr_handler()
89 		if (hdr->num_msgs)  in cn20k_vfaf_mbox_intr_handler()
90 			queue_work(vf->mbox_wq, &vf->mbox.mbox_wrk);  in cn20k_vfaf_mbox_intr_handler()
92 		trace_otx2_msg_interrupt(mbox->pdev, "DOWN reply from PF0 to VF",  in cn20k_vfaf_mbox_intr_handler()
98 		mbox = &vf->mbox.mbox_up;  in cn20k_vfaf_mbox_intr_handler()
99 		mdev = &mbox->dev[0];  in cn20k_vfaf_mbox_intr_handler()
100 		otx2_sync_mbox_bbuf(mbox, 0);  in cn20k_vfaf_mbox_intr_handler()
102 		hdr = (struct mbox_hdr *)(mdev->mbase + mbox->rx_start);  in cn20k_vfaf_mbox_intr_handler()
103 		if (hdr->num_msgs)  in cn20k_vfaf_mbox_intr_handler()
104 			queue_work(vf->mbox_wq, &vf->mbox.mbox_up_wrk);  in cn20k_vfaf_mbox_intr_handler()
106 		trace_otx2_msg_interrupt(mbox->pdev, "UP message from PF0 to VF",  in cn20k_vfaf_mbox_intr_handler()
125 		numvfs -= 64;  in cn20k_enable_pfvf_mbox_intr()
153 		vector = pci_irq_vector(pf->pdev, intr_vec);  in cn20k_disable_pfvf_mbox_intr()
154 		free_irq(vector, pf->hw.pfvf_irq_devid[vec]);  in cn20k_disable_pfvf_mbox_intr()
161 	struct otx2_nic *pf = irq_data->pf;  in cn20k_pfvf_mbox_intr_handler()
162 	struct mbox *mbox;  in cn20k_pfvf_mbox_intr_handler()  local
165 	/* Sync with mbox memory region */  in cn20k_pfvf_mbox_intr_handler()
169 	intr = otx2_read64(pf, irq_data->intr_status);  in cn20k_pfvf_mbox_intr_handler()
170 	otx2_write64(pf, irq_data->intr_status, intr);  in cn20k_pfvf_mbox_intr_handler()
171 	mbox = pf->mbox_pfvf;  in cn20k_pfvf_mbox_intr_handler()
174 		trace_otx2_msg_interrupt(pf->pdev, "VF(s) to PF", intr);  in cn20k_pfvf_mbox_intr_handler()
176 	irq_data->pf_queue_work_hdlr(mbox, pf->mbox_pfvf_wq, irq_data->start,  in cn20k_pfvf_mbox_intr_handler()
177 				     irq_data->mdevs, intr);  in cn20k_pfvf_mbox_intr_handler()
184 	struct otx2_hw *hw = &pf->hw;  in cn20k_register_pfvf_mbox_intr()
190 	irq_data = devm_kcalloc(pf->dev, 4,  in cn20k_register_pfvf_mbox_intr()
193 		return -ENOMEM;  in cn20k_register_pfvf_mbox_intr()
228 		irq_name = &hw->irq_name[intr_vec * NAME_SIZE];  in cn20k_register_pfvf_mbox_intr()
229 		if (pf->pcifunc)  in cn20k_register_pfvf_mbox_intr()
231 				 "RVUPF%d_VF%d Mbox%d", rvu_get_pf(pf->pdev,  in cn20k_register_pfvf_mbox_intr()
232 				 pf->pcifunc), vec / 2, vec % 2);  in cn20k_register_pfvf_mbox_intr()
234 			snprintf(irq_name, NAME_SIZE, "RVUPF_VF%d Mbox%d",  in cn20k_register_pfvf_mbox_intr()
237 		hw->pfvf_irq_devid[vec] = &irq_data[vec];  in cn20k_register_pfvf_mbox_intr()
238 		ret = request_irq(pci_irq_vector(pf->pdev, intr_vec),  in cn20k_register_pfvf_mbox_intr()
239 				  pf->hw_ops->pfvf_mbox_intr_handler, 0,  in cn20k_register_pfvf_mbox_intr()
243 			dev_err(pf->dev,  in cn20k_register_pfvf_mbox_intr()