x86/kernel/jailhouse.c

28 static struct jailhouse_setup_data setup_data;
29 #define SETUP_DATA_V1_LEN	(sizeof(setup_data.hdr) + sizeof(setup_data.v1))
30 #define SETUP_DATA_V2_LEN	(SETUP_DATA_V1_LEN + sizeof(setup_data.v2))
67 	lapic_timer_period = setup_data.v1.apic_khz * (1000 / HZ);
105 	for (cpu = 0; cpu < setup_data.v1.num_cpus; cpu++)
106 		topology_register_apic(setup_data.v1.cpu_ids[cpu], CPU_ACPIID_INVALID, true);
110 	if (setup_data.v1.standard_ioapic) {
114 		    setup_data.hdr.version < 2) {
141 	if (setup_data.v1.pci_mmconfig_base) {
143 				 setup_data.v1.pci_mmconfig_base);
154 	return setup_data.v2.flags & BIT(uart_nr);
182 	 * There are flags inside setup_data that indicate availability of
189 	if (setup_data.hdr.version > 1)
200 	u64 pa_data = boot_params.hdr.setup_data;
202 	struct setup_data header;
238 	if (header.len < sizeof(setup_data.hdr))
241 	pa_data += offsetof(struct setup_data, data);
242 	setup_data_len = min_t(unsigned long, sizeof(setup_data),
245 	memcpy(&setup_data, mapping, setup_data_len);
248 	if (setup_data.hdr.version == 0 ||
249 	    setup_data.hdr.compatible_version !=
251 	    (setup_data.hdr.version == 1 && header.len < SETUP_DATA_V1_LEN) ||
252 	    (setup_data.hdr.version >= 2 && header.len < SETUP_DATA_V2_LEN))
255 	pmtmr_ioport = setup_data.v1.pm_timer_address;
258 	precalibrated_tsc_khz = setup_data.v1.tsc_khz;