pci/hotplug/ibmphp_pci.c

67 int ibmphp_configure_card(struct pci_func *func, u8 slotno)
81 	debug("inside configure_card, func->busno = %x\n", func->busno);
83 	device = func->device;
84 	cur_func = func;
87 	 * func->busno is correct, and func->device contains only device (at the 5
183 						func->bus = 1; /* To indicate to the unconfigure function that this is a PPB */
191 						if (func->devices[i]) {
211 								func->bus = 1; /* To indicate to the unconfigure function that this is a PPB */
251 						func->bus = 1; /* To indicate to the unconfigure function that this is a PPB */
262 						if (func->devices[i]) {
284 								func->bus = 1; /* To indicate to the unconfigure function that this is a PPB */
329 static int configure_device(struct pci_func *func)
352 	devfn = PCI_DEVFN(func->device, func->function);
353 	ibmphp_pci_bus->number = func->busno;
376 		debug("Device %x BAR %d wants %x\n", func->device, count, bar[count]);
393 			io[count]->busno = func->busno;
394 			io[count]->devfunc = PCI_DEVFN(func->device, func->function);
398 				func->io[count] = io[count];
401 				     func->busno, func->device, func->function, len[count]);
405 			pci_bus_write_config_dword(ibmphp_pci_bus, devfn, address[count], func->io[count]->start);
408 			debug("b4 writing, the IO address is %x\n", func->io[count]->start);
429 				pfmem[count]->busno = func->busno;
430 				pfmem[count]->devfunc = PCI_DEVFN(func->device,
431 							func->function);
436 					func->pfmem[count] = pfmem[count];
455 						func->pfmem[count] = pfmem[count];
458 						     func->busno, func->device, len[count]);
465 				pci_bus_write_config_dword(ibmphp_pci_bus, devfn, address[count], func->pfmem[count]->start);
468 				debug("b4 writing, start address is %x\n", func->pfmem[count]->start);
493 				mem[count]->busno = func->busno;
494 				mem[count]->devfunc = PCI_DEVFN(func->device,
495 							func->function);
499 					func->mem[count] = mem[count];
502 					     func->busno, func->device, len[count]);
506 				pci_bus_write_config_dword(ibmphp_pci_bus, devfn, address[count], func->mem[count]->start);
508 				debug("b4 writing, start address is %x\n", func->mem[count]->start);
524 	func->bus = 0;		/* To indicate that this is not a PPB */
527 		pci_bus_write_config_byte(ibmphp_pci_bus, devfn, PCI_INTERRUPT_LINE, func->irq[irq - 1]);
572 	struct pci_func *func = *func_passed;
579 	devfn = PCI_DEVFN(func->function, func->device);
580 	ibmphp_pci_bus->number = func->busno;
586 	pci_bus_write_config_byte(ibmphp_pci_bus, devfn, PCI_PRIMARY_BUS, func->busno);
594 	sec_number = find_sec_number(func->busno, slotno);
601 	debug("AFTER FIND_SEC_NUMBER, func->busno IS %x\n", func->busno);
621 	debug("func->busno is %x\n", func->busno);
658 			bus_io[count]->busno = func->busno;
659 			bus_io[count]->devfunc = PCI_DEVFN(func->device,
660 							func->function);
664 				func->io[count] = bus_io[count];
667 				     func->busno, func->device, len[count]);
672 			pci_bus_write_config_dword(ibmphp_pci_bus, devfn, address[count], func->io[count]->start);
689 				bus_pfmem[count]->busno = func->busno;
690 				bus_pfmem[count]->devfunc = PCI_DEVFN(func->device,
691 							func->function);
696 					func->pfmem[count] = bus_pfmem[count];
712 						func->pfmem[count] = bus_pfmem[count];
715 						     func->busno, func->device, len[count]);
722 				pci_bus_write_config_dword(ibmphp_pci_bus, devfn, address[count], func->pfmem[count]->start);
744 				bus_mem[count]->busno = func->busno;
745 				bus_mem[count]->devfunc = PCI_DEVFN(func->device,
746 							func->function);
750 					func->mem[count] = bus_mem[count];
753 					     func->busno, func->device, len[count]);
758 				pci_bus_write_config_dword(ibmphp_pci_bus, devfn, address[count], func->mem[count]->start);
772 	amount_needed = scan_behind_bridge(func, sec_number);
776 	ibmphp_pci_bus->number = func->busno;
789 				func->io[count] = NULL;
792 				func->pfmem[count] = NULL;
795 				func->mem[count] = NULL;
814 		io->busno = func->busno;
815 		io->devfunc = PCI_DEVFN(func->device, func->function);
835 		mem->busno = func->busno;
836 		mem->devfunc = PCI_DEVFN(func->device, func->function);
856 		pfmem->busno = func->busno;
857 		pfmem->devfunc = PCI_DEVFN(func->device, func->function);
901 			rc = add_new_bus(bus, io, mem, pfmem, func->busno);
911 				ibmphp_remove_bus(bus, func->busno);
989 			pci_bus_write_config_byte(ibmphp_pci_bus, devfn, PCI_INTERRUPT_LINE, func->irq[irq - 1]);
1001 				func->devices[i] = 1;
1004 		func->bus = 1;	/* For unconfiguring, to indicate it's PPB */
1005 		func_passed = &func;
1006 		debug("func->busno b4 returning is %x\n", func->busno);
1007 		debug("func->busno b4 returning in the other structure is %x\n", (*func_passed)->busno);
1028 			func->io[i] = NULL;
1031 			func->pfmem[i] = NULL;
1034 			func->mem[i] = NULL;
1046 static struct res_needed *scan_behind_bridge(struct pci_func *func, u8 busno)
1176  * upon bootup in the system, since we don't allocate func to such case, we need to read
1468 						err("was not able to unconfigure device %x func %x on bus %x. bailing out...\n",
1477 						err("was not able to unconfigure device %x func %x on bus %x. bailing out...\n",
1546 			/* In all other cases, will still need to get rid of func structure if it exists */
1551 	if (sl->func) {
1552 		cur_func = sl->func;
1589 	sl->func = NULL;