pci/hotplug/ibmphp_pci.c

33  * We also assign the same irq numbers for multi function devices.
61  * Input: function to be added
63  * TO DO:  The error case with Multifunction device or multi function bridge,
73 	u8 function;
91 	/* For every function on the card */
92 	for (function = 0x00; function < 0x08; function++) {
93 		unsigned int devfn = PCI_DEVFN(device, function);
96 		cur_func->function = function;
98 		debug("inside the loop, cur_func->busno = %x, cur_func->device = %x, cur_func->function = %x\n",
99 			cur_func->busno, cur_func->device, cur_func->function);
112 			 *         |_=> 0 = single function device, 1 = multi-function device
143 					function = 0x8;
183 						func->bus = 1; /* To indicate to the unconfigure function that this is a PPB */
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 */
256 					debug("cur_func->busno = %x, device = %x, function = %x\n",
257 						cur_func->busno, device, function);
284 								func->bus = 1; /* To indicate to the unconfigure function that this is a PPB */
292 					function = 0x8;
325  * This function configures the pci BARs of a single device.
352 	devfn = PCI_DEVFN(func->device, func->function);
394 			io[count]->devfunc = PCI_DEVFN(func->device, func->function);
400 				err("cannot allocate requested io for bus %x device %x function %x len %x\n",
401 				     func->busno, func->device, func->function, len[count]);
431 							func->function);
495 							func->function);
579 	devfn = PCI_DEVFN(func->function, func->device);
660 							func->function);
691 							func->function);
746 							func->function);
815 		io->devfunc = PCI_DEVFN(func->device, func->function);
836 		mem->devfunc = PCI_DEVFN(func->device, func->function);
857 		pfmem->devfunc = PCI_DEVFN(func->device, func->function);
1041  * This function adds up the amount of resources needed behind the PPB bridge
1042  * and passes it to the configure_bridge function
1043  * Input: bridge function
1051 	u8 device, function;
1077 		for (function = 0; function < 8; function++) {
1078 			devfn = PCI_DEVFN(device, function);
1128 					debug("count %d device %x function %x wants %x resources\n", count, device, function, bar[count]);
1182 static int unconfigure_boot_device(u8 busno, u8 device, u8 function)
1213 	devfn = PCI_DEVFN(device, function);
1225 		debug("busno, device, function %x %x %x\n", busno, device, function);
1303 static int unconfigure_boot_bridge(u8 busno, u8 device, u8 function)
1320 	devfn = PCI_DEVFN(device, function);
1422 	u8 function;
1433 	/* For every function on the card */
1434 	for (function = 0x0; function < 0x08; function++) {
1435 		devfn = PCI_DEVFN(device, function);
1448 			 *         |_=> 0 = single function device, 1 = multi-function device
1457 				err("The device %x function %x is VGA compatible and is not supported for hot removing.  Please choose another device.\n", device, function);
1460 				err("The device %x function %x is not supported for hot removing.  Please choose another device.\n", device, function);
1466 					rc = unconfigure_boot_device(busno, device, function);
1469 						     device, function, busno);
1472 					function = 0x8;
1475 					rc = unconfigure_boot_device(busno, device, function);
1478 						     device, function, busno);
1485 						err("This device %x function %x is not PCI-to-PCI bridge, and is not supported for hot-removing.  Please try another card.\n", device, function);
1488 					rc = unconfigure_boot_bridge(busno, device, function);
1494 					function = 0x8;
1499 						err("This device %x function %x is not PCI-to-PCI bridge,  and is not supported for hot-removing.  Please try another card.\n", device, function);
1502 					rc = unconfigure_boot_bridge(busno, device, function);