20  *				.start = 0x1001e000,
21  *				.end = 0x1001e0ff,
35  *			reg = <0x1e000 0x100>;
49  *		virtio_mmio.device=0x100@0x100b0000:48 \
50  *				virtio_mmio.device=1K@0x1001e000:74
118 	writel(0, vm_dev->base + VIRTIO_MMIO_DEVICE_FEATURES_SEL);  in vm_get_features()
142 	writel(0, vm_dev->base + VIRTIO_MMIO_DRIVER_FEATURES_SEL);  in vm_finalize_features()
146 	return 0;  in vm_finalize_features()
162 		for (i = 0; i < len; i++)  in vm_get()
204 		for (i = 0; i < len; i++)  in vm_set()
239 		return 0;  in vm_generation()
248 	return readl(vm_dev->base + VIRTIO_MMIO_STATUS) & 0xff;  in vm_get_status()
255 	/* We should never be setting status to 0. */  in vm_set_status()
256 	BUG_ON(status == 0);  in vm_set_status()
270 	/* 0 status means a reset. */  in vm_reset()
271 	writel(0, vm_dev->base + VIRTIO_MMIO_STATUS);  in vm_reset()
343 		writel(0, vm_dev->base + VIRTIO_MMIO_QUEUE_PFN);  in vm_del_vq()
345 		writel(0, vm_dev->base + VIRTIO_MMIO_QUEUE_READY);  in vm_del_vq()
362 	free_irq(platform_get_irq(vm_dev->pdev, 0), vm_dev);  in vm_del_vqs()
369 	synchronize_irq(platform_get_irq(vm_dev->pdev, 0));  in vm_synchronize_cbs()
410 	if (num == 0) {  in vm_setup_vq()
437 				"platform bug: legacy virtio-mmio must not be used with RAM above 0x%llxGB\n",  in vm_setup_vq()
438 				0x1ULL << (32 + PAGE_SHIFT - 30));  in vm_setup_vq()
479 		writel(0, vm_dev->base + VIRTIO_MMIO_QUEUE_PFN);  in vm_setup_vq()
481 		writel(0, vm_dev->base + VIRTIO_MMIO_QUEUE_READY);  in vm_setup_vq()
496 	int irq = platform_get_irq(vm_dev->pdev, 0);  in vm_find_vqs()
497 	int i, err, queue_idx = 0;  in vm_find_vqs()
499 	if (irq < 0)  in vm_find_vqs()
510 	for (i = 0; i < nvqs; ++i) {  in vm_find_vqs()
526 	return 0;  in vm_find_vqs()
554 	if (len == ~(u64)0)  in vm_get_shm_region()
633 	vm_dev->base = devm_platform_ioremap_resource(pdev, 0);  in virtio_mmio_probe()
642 		dev_warn(&pdev->dev, "Wrong magic value 0x%08lx!\n", magic);  in virtio_mmio_probe()
657 	if (vm_dev->vdev.id.device == 0) {  in virtio_mmio_probe()
659 		 * virtio-mmio device with an ID 0 is a (dummy) placeholder  in virtio_mmio_probe()
726 	int processed, consumed = 0;  in vm_cmdline_set()
740 	 * str[consumed] must be '\0'  in vm_cmdline_set()
742 	if (processed < 2 || str[consumed] || irq == 0)  in vm_cmdline_set()
745 	resources[0].flags = IORESOURCE_MEM;  in vm_cmdline_set()
746 	resources[0].start = base;  in vm_cmdline_set()
747 	resources[0].end = base + size - 1;  in vm_cmdline_set()
762 	pr_info("Registering device virtio-mmio.%d at 0x%llx-0x%llx, IRQ %d.\n",  in vm_cmdline_set()
764 		       (unsigned long long)resources[0].start,  in vm_cmdline_set()
765 		       (unsigned long long)resources[0].end,  in vm_cmdline_set()
770 			resources, ARRAY_SIZE(resources), NULL, 0);  in vm_cmdline_set()
781 	snprintf(buffer + len, PAGE_SIZE - len, "0x%llx@0x%llx:%llu:%d\n",  in vm_cmdline_get_device()
782 			pdev->resource[0].end - pdev->resource[0].start + 1ULL,  in vm_cmdline_get_device()
783 			(unsigned long long)pdev->resource[0].start,  in vm_cmdline_get_device()
786 	return 0;  in vm_cmdline_get_device()
791 	buffer[0] = '\0';  in vm_cmdline_get()
809 	return 0;  in vm_unregister_cmdline_device()
818 		vm_cmdline_parent_registered = 0;  in vm_unregister_cmdline_devices()