Exemple #1
0
static __init void free_all_mmcfg(void)
{
	struct pci_mmcfg_region *cfg, *tmp;

	pci_mmcfg_arch_free();
	list_for_each_entry_safe(cfg, tmp, &pci_mmcfg_list, list)
		pci_mmconfig_remove(cfg);
}
int __init pci_mmcfg_arch_init(void)
{
	struct pci_mmcfg_region *cfg;

	list_for_each_entry(cfg, &pci_mmcfg_list, list)
		if (pci_mmcfg_arch_map(cfg)) {
			pci_mmcfg_arch_free();
			return 0;
		}

	raw_pci_ext_ops = &pci_mmcfg;

	return 1;
}
int __init pci_mmcfg_arch_init(void)
{
	int i;
	pci_mmcfg_virt = kzalloc(sizeof(*pci_mmcfg_virt) *
				 pci_mmcfg_config_num, GFP_KERNEL);
	if (pci_mmcfg_virt == NULL) {
		printk(KERN_ERR "PCI: Can not allocate memory for mmconfig structures\n");
		return 0;
	}

	for (i = 0; i < pci_mmcfg_config_num; ++i) {
		pci_mmcfg_virt[i].cfg = &pci_mmcfg_config[i];
		pci_mmcfg_virt[i].virt = mcfg_ioremap(&pci_mmcfg_config[i]);
		if (!pci_mmcfg_virt[i].virt) {
			printk(KERN_ERR "PCI: Cannot map mmconfig aperture for "
					"segment %d\n",
				pci_mmcfg_config[i].pci_segment);
			pci_mmcfg_arch_free();
			return 0;
		}
	}
	raw_pci_ext_ops = &pci_mmcfg;
	return 1;
}