201 int vfio_pci_core_setup_barmap(struct vfio_pci_core_device *vdev, int bar)  in vfio_pci_core_setup_barmap()  argument
207 	if (vdev->barmap[bar])  in vfio_pci_core_setup_barmap()
210 	ret = pci_request_selected_regions(pdev, 1 << bar, "vfio");  in vfio_pci_core_setup_barmap()
214 	io = pci_iomap(pdev, bar, 0);  in vfio_pci_core_setup_barmap()
216 		pci_release_selected_regions(pdev, 1 << bar);  in vfio_pci_core_setup_barmap()
220 	vdev->barmap[bar] = io;  in vfio_pci_core_setup_barmap()
231 	int bar = VFIO_PCI_OFFSET_TO_INDEX(*ppos);  in vfio_pci_bar_rw()  local
235 	struct resource *res = &vdev->pdev->resource[bar];  in vfio_pci_bar_rw()
238 	if (pci_resource_start(pdev, bar))  in vfio_pci_bar_rw()
239 		end = pci_resource_len(pdev, bar);  in vfio_pci_bar_rw()
240 	else if (bar == PCI_ROM_RESOURCE && pdev->rom && pdev->romlen)  in vfio_pci_bar_rw()
250 	if (bar == PCI_ROM_RESOURCE) {  in vfio_pci_bar_rw()
252 		 * The ROM can fill less space than the BAR, so we start the  in vfio_pci_bar_rw()
256 		if (pci_resource_start(pdev, bar)) {  in vfio_pci_bar_rw()
266 		int ret = vfio_pci_core_setup_barmap(vdev, bar);  in vfio_pci_bar_rw()
272 		io = vdev->barmap[bar];  in vfio_pci_bar_rw()
275 	if (bar == vdev->msix_bar) {  in vfio_pci_bar_rw()
286 	if (bar == PCI_ROM_RESOURCE) {  in vfio_pci_bar_rw()
287 		if (pci_resource_start(pdev, bar))  in vfio_pci_bar_rw()
350 	 * VGA MMIO is a legacy, non-BAR resource that hopefully allows  in vfio_pci_vga_rw()
425 	int ret, bar = VFIO_PCI_OFFSET_TO_INDEX(offset);  in vfio_pci_ioeventfd()  local
429 	if (bar > VFIO_PCI_BAR5_REGION_INDEX)  in vfio_pci_ioeventfd()
432 	if (pos + count > pci_resource_len(pdev, bar))  in vfio_pci_ioeventfd()
436 	if (bar == vdev->msix_bar &&  in vfio_pci_ioeventfd()
444 	ret = vfio_pci_core_setup_barmap(vdev, bar);  in vfio_pci_ioeventfd()
451 		if (ioeventfd->pos == pos && ioeventfd->bar == bar &&  in vfio_pci_ioeventfd()
483 	ioeventfd->addr = vdev->barmap[bar] + pos;  in vfio_pci_ioeventfd()
486 	ioeventfd->bar = bar;  in vfio_pci_ioeventfd()
488 	ioeventfd->test_mem = vdev->pdev->resource[bar].flags & IORESOURCE_MEM;  in vfio_pci_ioeventfd()