Ejemplos de acpi_mcfg_check_entry en C++ (Cpp)

Ejemplo n.º 1

Archivo: acpi_mmcfg.c Proyecto: CPFL/xen

int __init acpi_parse_mcfg(struct acpi_table_header *header)
{
    struct acpi_table_mcfg *mcfg;
    unsigned long i;

    if (!header)
        return -EINVAL;

    mcfg = (struct acpi_table_mcfg *)header;

    /* how many config structures do we have */
    pci_mmcfg_config_num = 0;
    i = header->length - sizeof(struct acpi_table_mcfg);
    while (i >= sizeof(struct acpi_mcfg_allocation)) {
        ++pci_mmcfg_config_num;
        i -= sizeof(struct acpi_mcfg_allocation);
    };
    if (pci_mmcfg_config_num == 0) {
        printk(KERN_ERR PREFIX "MMCONFIG has no entries\n");
        return -ENODEV;
    }

    pci_mmcfg_config = xmalloc_array(struct acpi_mcfg_allocation,
                                     pci_mmcfg_config_num);
    if (!pci_mmcfg_config) {
        printk(KERN_WARNING PREFIX
               "No memory for MCFG config tables\n");
        return -ENOMEM;
    }

    memcpy(pci_mmcfg_config, &mcfg[1],
           pci_mmcfg_config_num * sizeof(*pci_mmcfg_config));

    for (i = 0; i < pci_mmcfg_config_num; ++i) {
        if (acpi_mcfg_check_entry(mcfg, &pci_mmcfg_config[i])) {
            xfree(pci_mmcfg_config);
            pci_mmcfg_config_num = 0;
            return -ENODEV;
        }
        pci_add_segment(pci_mmcfg_config[i].pci_segment);
    }

    return 0;
}

Ejemplo n.º 2

Archivo: mcfg.c Proyecto: lupan2005/open-estuary--kernel

int __init acpi_parse_mcfg(struct acpi_table_header *header)
{
	struct acpi_table_mcfg *mcfg;
	struct acpi_mcfg_allocation *cfg_table, *cfg;
	unsigned long i;
	int entries;

	if (!header)
		return -EINVAL;

	mcfg = (struct acpi_table_mcfg *)header;

	/* how many config structures do we have */
	free_all_mmcfg();
	entries = 0;
	i = header->length - sizeof(struct acpi_table_mcfg);
	while (i >= sizeof(struct acpi_mcfg_allocation)) {
		entries++;
		i -= sizeof(struct acpi_mcfg_allocation);
	}
	if (entries == 0) {
		pr_err(PREFIX "MCFG table has no entries\n");
		return -ENODEV;
	}

	cfg_table = (struct acpi_mcfg_allocation *) &mcfg[1];
	for (i = 0; i < entries; i++) {
		cfg = &cfg_table[i];
		if (acpi_mcfg_check_entry(mcfg, cfg)) {
			free_all_mmcfg();
			return -ENODEV;
		}

		if (pci_mmconfig_add(cfg->pci_segment, cfg->start_bus_number,
				 cfg->end_bus_number, cfg->address) == NULL) {
			pr_warn(PREFIX "no memory for MCFG entries\n");
			free_all_mmcfg();
			return -ENOMEM;
		}
	}

	return 0;
}