59  * If the MSI-X table is located in the middle of a BAR then that MMIO
60  * region gets split into two segments - one segment above the MSI-X table
61  * and the other segment below the MSI-X table - with a hole in place of
62  * the MSI-X table so accesses to it can be trapped and emulated.
68 MALLOC_DEFINE(M_PPTMSIX, "pptmsix", "Passthru MSI-X resources");
94 	} msi;  member
258 	if (ppt->msi.num_msgs == 0)  in ppt_teardown_msi()
261 	for (i = 0; i < ppt->msi.num_msgs; i++) {  in ppt_teardown_msi()
262 		rid = ppt->msi.startrid + i;  in ppt_teardown_msi()
263 		res = ppt->msi.res[i];  in ppt_teardown_msi()
264 		cookie = ppt->msi.cookie[i];  in ppt_teardown_msi()
272 		ppt->msi.res[i] = NULL;  in ppt_teardown_msi()
273 		ppt->msi.cookie[i] = NULL;  in ppt_teardown_msi()
276 	if (ppt->msi.startrid == 1)  in ppt_teardown_msi()
279 	ppt->msi.num_msgs = 0;  in ppt_teardown_msi()
579 	if (ppt->msi.startrid == 0)  in pptintr()
600 	/* Reject attempts to enable MSI while MSI-X is active. */  in ppt_setup_msi()
617 		startrid = 1;		/* MSI */  in ppt_setup_msi()
627 	 * Make sure that we can allocate all the MSI vectors that are needed  in ppt_setup_msi()
643 	ppt->msi.startrid = startrid;  in ppt_setup_msi()
649 		ppt->msi.num_msgs = i + 1;  in ppt_setup_msi()
650 		ppt->msi.cookie[i] = NULL;  in ppt_setup_msi()
653 		ppt->msi.res[i] = bus_alloc_resource_any(ppt->dev, SYS_RES_IRQ,  in ppt_setup_msi()
655 		if (ppt->msi.res[i] == NULL)  in ppt_setup_msi()
658 		ppt->msi.arg[i].pptdev = ppt;  in ppt_setup_msi()
659 		ppt->msi.arg[i].addr = addr;  in ppt_setup_msi()
660 		ppt->msi.arg[i].msg_data = msg + i;  in ppt_setup_msi()
662 		error = bus_setup_intr(ppt->dev, ppt->msi.res[i],  in ppt_setup_msi()
664 				       pptintr, NULL, &ppt->msi.arg[i],  in ppt_setup_msi()
665 				       &ppt->msi.cookie[i]);  in ppt_setup_msi()
691 	/* Reject attempts to enable MSI-X while MSI is active. */  in ppt_setup_msix()
692 	if (ppt->msi.num_msgs != 0)  in ppt_setup_msix()
701 	 * 	Allocate the MSI-X table  in ppt_setup_msix()
772 		/* Setup the MSI-X interrupt */  in ppt_setup_msix()