summaryrefslogtreecommitdiffstats
path: root/arch/i386/kernel/acpi/boot.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/i386/kernel/acpi/boot.c')
-rw-r--r--arch/i386/kernel/acpi/boot.c156
1 files changed, 74 insertions, 82 deletions
diff --git a/arch/i386/kernel/acpi/boot.c b/arch/i386/kernel/acpi/boot.c
index 389a8a56d2b..5fafbacdd4c 100644
--- a/arch/i386/kernel/acpi/boot.c
+++ b/arch/i386/kernel/acpi/boot.c
@@ -66,7 +66,7 @@ static inline int acpi_madt_oem_check(char *oem_id, char *oem_table_id) { return
#define BAD_MADT_ENTRY(entry, end) ( \
(!entry) || (unsigned long)entry + sizeof(*entry) > end || \
- ((acpi_table_entry_header *)entry)->length < sizeof(*entry))
+ ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
#define PREFIX "ACPI: "
@@ -79,7 +79,7 @@ int acpi_ioapic;
int acpi_strict;
EXPORT_SYMBOL(acpi_strict);
-acpi_interrupt_flags acpi_sci_flags __initdata;
+u8 acpi_sci_flags __initdata;
int acpi_sci_override_gsi __initdata;
int acpi_skip_timer_override __initdata;
int acpi_use_timer_override __initdata;
@@ -246,11 +246,11 @@ static int __init acpi_parse_madt(struct acpi_table_header *header)
}
static int __init
-acpi_parse_lapic(acpi_table_entry_header * header, const unsigned long end)
+acpi_parse_lapic(struct acpi_subtable_header * header, const unsigned long end)
{
- struct acpi_table_lapic *processor = NULL;
+ struct acpi_madt_local_apic *processor = NULL;
- processor = (struct acpi_table_lapic *)header;
+ processor = (struct acpi_madt_local_apic *)header;
if (BAD_MADT_ENTRY(processor, end))
return -EINVAL;
@@ -258,8 +258,8 @@ acpi_parse_lapic(acpi_table_entry_header * header, const unsigned long end)
acpi_table_print_madt_entry(header);
/* Record local apic id only when enabled */
- if (processor->flags.enabled)
- x86_acpiid_to_apicid[processor->acpi_id] = processor->id;
+ if (processor->lapic_flags & ACPI_MADT_ENABLED)
+ x86_acpiid_to_apicid[processor->processor_id] = processor->id;
/*
* We need to register disabled CPU as well to permit
@@ -269,18 +269,18 @@ acpi_parse_lapic(acpi_table_entry_header * header, const unsigned long end)
* when we use CPU hotplug.
*/
mp_register_lapic(processor->id, /* APIC ID */
- processor->flags.enabled); /* Enabled? */
+ processor->lapic_flags & ACPI_MADT_ENABLED); /* Enabled? */
return 0;
}
static int __init
-acpi_parse_lapic_addr_ovr(acpi_table_entry_header * header,
+acpi_parse_lapic_addr_ovr(struct acpi_subtable_header * header,
const unsigned long end)
{
- struct acpi_table_lapic_addr_ovr *lapic_addr_ovr = NULL;
+ struct acpi_madt_local_apic_override *lapic_addr_ovr = NULL;
- lapic_addr_ovr = (struct acpi_table_lapic_addr_ovr *)header;
+ lapic_addr_ovr = (struct acpi_madt_local_apic_override *)header;
if (BAD_MADT_ENTRY(lapic_addr_ovr, end))
return -EINVAL;
@@ -291,11 +291,11 @@ acpi_parse_lapic_addr_ovr(acpi_table_entry_header * header,
}
static int __init
-acpi_parse_lapic_nmi(acpi_table_entry_header * header, const unsigned long end)
+acpi_parse_lapic_nmi(struct acpi_subtable_header * header, const unsigned long end)
{
- struct acpi_table_lapic_nmi *lapic_nmi = NULL;
+ struct acpi_madt_local_apic_nmi *lapic_nmi = NULL;
- lapic_nmi = (struct acpi_table_lapic_nmi *)header;
+ lapic_nmi = (struct acpi_madt_local_apic_nmi *)header;
if (BAD_MADT_ENTRY(lapic_nmi, end))
return -EINVAL;
@@ -313,11 +313,11 @@ acpi_parse_lapic_nmi(acpi_table_entry_header * header, const unsigned long end)
#ifdef CONFIG_X86_IO_APIC
static int __init
-acpi_parse_ioapic(acpi_table_entry_header * header, const unsigned long end)
+acpi_parse_ioapic(struct acpi_subtable_header * header, const unsigned long end)
{
- struct acpi_table_ioapic *ioapic = NULL;
+ struct acpi_madt_io_apic *ioapic = NULL;
- ioapic = (struct acpi_table_ioapic *)header;
+ ioapic = (struct acpi_madt_io_apic *)header;
if (BAD_MADT_ENTRY(ioapic, end))
return -EINVAL;
@@ -342,11 +342,11 @@ static void __init acpi_sci_ioapic_setup(u32 gsi, u16 polarity, u16 trigger)
polarity = 3;
/* Command-line over-ride via acpi_sci= */
- if (acpi_sci_flags.trigger)
- trigger = acpi_sci_flags.trigger;
+ if (acpi_sci_flags & ACPI_MADT_TRIGGER_MASK)
+ trigger = (acpi_sci_flags & ACPI_MADT_TRIGGER_MASK) >> 2;
- if (acpi_sci_flags.polarity)
- polarity = acpi_sci_flags.polarity;
+ if (acpi_sci_flags & ACPI_MADT_POLARITY_MASK)
+ polarity = acpi_sci_flags & ACPI_MADT_POLARITY_MASK;
/*
* mp_config_acpi_legacy_irqs() already setup IRQs < 16
@@ -364,44 +364,45 @@ static void __init acpi_sci_ioapic_setup(u32 gsi, u16 polarity, u16 trigger)
}
static int __init
-acpi_parse_int_src_ovr(acpi_table_entry_header * header,
+acpi_parse_int_src_ovr(struct acpi_subtable_header * header,
const unsigned long end)
{
- struct acpi_table_int_src_ovr *intsrc = NULL;
+ struct acpi_madt_interrupt_override *intsrc = NULL;
- intsrc = (struct acpi_table_int_src_ovr *)header;
+ intsrc = (struct acpi_madt_interrupt_override *)header;
if (BAD_MADT_ENTRY(intsrc, end))
return -EINVAL;
acpi_table_print_madt_entry(header);
- if (intsrc->bus_irq == acpi_gbl_FADT.sci_interrupt) {
+ if (intsrc->source_irq == acpi_gbl_FADT.sci_interrupt) {
acpi_sci_ioapic_setup(intsrc->global_irq,
- intsrc->flags.polarity,
- intsrc->flags.trigger);
+ intsrc->inti_flags & ACPI_MADT_POLARITY_MASK,
+ (intsrc->inti_flags & ACPI_MADT_TRIGGER_MASK) >> 2);
return 0;
}
if (acpi_skip_timer_override &&
- intsrc->bus_irq == 0 && intsrc->global_irq == 2) {
+ intsrc->source_irq == 0 && intsrc->global_irq == 2) {
printk(PREFIX "BIOS IRQ0 pin2 override ignored.\n");
return 0;
}
- mp_override_legacy_irq(intsrc->bus_irq,
- intsrc->flags.polarity,
- intsrc->flags.trigger, intsrc->global_irq);
+ mp_override_legacy_irq(intsrc->source_irq,
+ intsrc->inti_flags & ACPI_MADT_POLARITY_MASK,
+ (intsrc->inti_flags & ACPI_MADT_TRIGGER_MASK) >> 2,
+ intsrc->global_irq);
return 0;
}
static int __init
-acpi_parse_nmi_src(acpi_table_entry_header * header, const unsigned long end)
+acpi_parse_nmi_src(struct acpi_subtable_header * header, const unsigned long end)
{
- struct acpi_table_nmi_src *nmi_src = NULL;
+ struct acpi_madt_nmi_source *nmi_src = NULL;
- nmi_src = (struct acpi_table_nmi_src *)header;
+ nmi_src = (struct acpi_madt_nmi_source *)header;
if (BAD_MADT_ENTRY(nmi_src, end))
return -EINVAL;
@@ -417,7 +418,7 @@ acpi_parse_nmi_src(acpi_table_entry_header * header, const unsigned long end)
/*
* acpi_pic_sci_set_trigger()
- *
+ *
* use ELCR to set PIC-mode trigger type for SCI
*
* If a PIC-mode SCI is not recognized or gives spurious IRQ7's
@@ -511,7 +512,7 @@ int acpi_map_lsapic(acpi_handle handle, int *pcpu)
{
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
union acpi_object *obj;
- struct acpi_table_lapic *lapic;
+ struct acpi_madt_local_apic *lapic;
cpumask_t tmp_map, new_map;
u8 physid;
int cpu;
@@ -529,10 +530,10 @@ int acpi_map_lsapic(acpi_handle handle, int *pcpu)
return -EINVAL;
}
- lapic = (struct acpi_table_lapic *)obj->buffer.pointer;
+ lapic = (struct acpi_madt_local_apic *)obj->buffer.pointer;
- if ((lapic->header.type != ACPI_MADT_LAPIC) ||
- (!lapic->flags.enabled)) {
+ if (lapic->header.type != ACPI_MADT_TYPE_LOCAL_APIC ||
+ !(lapic->lapic_flags & ACPI_MADT_ENABLED)) {
kfree(buffer.pointer);
return -EINVAL;
}
@@ -544,7 +545,7 @@ int acpi_map_lsapic(acpi_handle handle, int *pcpu)
buffer.pointer = NULL;
tmp_map = cpu_present_map;
- mp_register_lapic(physid, lapic->flags.enabled);
+ mp_register_lapic(physid, lapic->lapic_flags & ACPI_MADT_ENABLED);
/*
* If mp_register_lapic successfully generates a new logical cpu
@@ -619,36 +620,30 @@ acpi_scan_rsdp(unsigned long start, unsigned long length)
return 0;
}
-static int __init acpi_parse_sbf(struct acpi_table_header *header)
+static int __init acpi_parse_sbf(struct acpi_table_header *table)
{
- struct acpi_table_sbf *sb;
-
- if (!header)
- return -EINVAL;
+ struct acpi_table_boot *sb;
- sb = (struct acpi_table_sbf *)header;
+ sb = (struct acpi_table_boot *)table;
if (!sb) {
printk(KERN_WARNING PREFIX "Unable to map SBF\n");
return -ENODEV;
}
- sbf_port = sb->sbf_cmos; /* Save CMOS port */
+ sbf_port = sb->cmos_index; /* Save CMOS port */
return 0;
}
#ifdef CONFIG_HPET_TIMER
-static int __init acpi_parse_hpet(struct acpi_table_header *header)
+static int __init acpi_parse_hpet(struct acpi_table_header *table)
{
struct acpi_table_hpet *hpet_tbl;
struct resource *hpet_res;
resource_size_t res_start;
- if (!header)
- return -EINVAL;
-
- hpet_tbl = (struct acpi_table_hpet *)header;
+ hpet_tbl = (struct acpi_table_hpet *)table;
if (!hpet_tbl) {
printk(KERN_WARNING PREFIX "Unable to map HPET\n");
return -ENODEV;
@@ -706,35 +701,28 @@ static int __init acpi_parse_hpet(struct acpi_table_header *header)
extern u32 pmtmr_ioport;
#endif
-static int __init acpi_parse_fadt(struct acpi_table_header *header)
+static int __init acpi_parse_fadt(struct acpi_table_header *table)
{
- struct acpi_table_fadt *fadt = NULL;
-
- fadt = (struct acpi_table_fadt *)header;
- if (!fadt) {
- printk(KERN_WARNING PREFIX "Unable to map FADT\n");
- return 0;
- }
#ifdef CONFIG_X86_PM_TIMER
/* detect the location of the ACPI PM Timer */
- if (fadt->header.revision >= FADT2_REVISION_ID) {
+ if (acpi_gbl_FADT.header.revision >= FADT2_REVISION_ID) {
/* FADT rev. 2 */
- if (fadt->xpm_timer_block.space_id !=
+ if (acpi_gbl_FADT.xpm_timer_block.space_id !=
ACPI_ADR_SPACE_SYSTEM_IO)
return 0;
- pmtmr_ioport = fadt->xpm_timer_block.address;
+ pmtmr_ioport = acpi_gbl_FADT.xpm_timer_block.address;
/*
* "X" fields are optional extensions to the original V1.0
* fields, so we must selectively expand V1.0 fields if the
* corresponding X field is zero.
*/
if (!pmtmr_ioport)
- pmtmr_ioport = fadt->pm_timer_block;
+ pmtmr_ioport = acpi_gbl_FADT.pm_timer_block;
} else {
/* FADT rev. 1 */
- pmtmr_ioport = fadt->pm_timer_block;
+ pmtmr_ioport = acpi_gbl_FADT.pm_timer_block;
}
if (pmtmr_ioport)
printk(KERN_INFO PREFIX "PM-Timer IO Port: %#x\n",
@@ -776,13 +764,13 @@ static int __init acpi_parse_madt_lapic_entries(void)
if (!cpu_has_apic)
return -ENODEV;
- /*
+ /*
* Note that the LAPIC address is obtained from the MADT (32-bit value)
* and (optionally) overriden by a LAPIC_ADDR_OVR entry (64-bit value).
*/
count =
- acpi_table_parse_madt(ACPI_MADT_LAPIC_ADDR_OVR,
+ acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE,
acpi_parse_lapic_addr_ovr, 0);
if (count < 0) {
printk(KERN_ERR PREFIX
@@ -792,7 +780,7 @@ static int __init acpi_parse_madt_lapic_entries(void)
mp_register_lapic_address(acpi_lapic_addr);
- count = acpi_table_parse_madt(ACPI_MADT_LAPIC, acpi_parse_lapic,
+ count = acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_APIC, acpi_parse_lapic,
MAX_APICS);
if (!count) {
printk(KERN_ERR PREFIX "No LAPIC entries present\n");
@@ -805,7 +793,7 @@ static int __init acpi_parse_madt_lapic_entries(void)
}
count =
- acpi_table_parse_madt(ACPI_MADT_LAPIC_NMI, acpi_parse_lapic_nmi, 0);
+ acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_APIC_NMI, acpi_parse_lapic_nmi, 0);
if (count < 0) {
printk(KERN_ERR PREFIX "Error parsing LAPIC NMI entry\n");
/* TBD: Cleanup to allow fallback to MPS */
@@ -834,7 +822,7 @@ static int __init acpi_parse_madt_ioapic_entries(void)
return -ENODEV;
}
- if (!cpu_has_apic)
+ if (!cpu_has_apic)
return -ENODEV;
/*
@@ -847,7 +835,7 @@ static int __init acpi_parse_madt_ioapic_entries(void)
}
count =
- acpi_table_parse_madt(ACPI_MADT_IOAPIC, acpi_parse_ioapic,
+ acpi_table_parse_madt(ACPI_MADT_TYPE_IO_APIC, acpi_parse_ioapic,
MAX_IO_APICS);
if (!count) {
printk(KERN_ERR PREFIX "No IOAPIC entries present\n");
@@ -858,7 +846,7 @@ static int __init acpi_parse_madt_ioapic_entries(void)
}
count =
- acpi_table_parse_madt(ACPI_MADT_INT_SRC_OVR, acpi_parse_int_src_ovr,
+ acpi_table_parse_madt(ACPI_MADT_TYPE_INTERRUPT_OVERRIDE, acpi_parse_int_src_ovr,
NR_IRQ_VECTORS);
if (count < 0) {
printk(KERN_ERR PREFIX
@@ -878,7 +866,7 @@ static int __init acpi_parse_madt_ioapic_entries(void)
mp_config_acpi_legacy_irqs();
count =
- acpi_table_parse_madt(ACPI_MADT_NMI_SRC, acpi_parse_nmi_src,
+ acpi_table_parse_madt(ACPI_MADT_TYPE_NMI_SOURCE, acpi_parse_nmi_src,
NR_IRQ_VECTORS);
if (count < 0) {
printk(KERN_ERR PREFIX "Error parsing NMI SRC entry\n");
@@ -900,7 +888,7 @@ static void __init acpi_process_madt(void)
#ifdef CONFIG_X86_LOCAL_APIC
int count, error;
- count = acpi_table_parse("APIC", acpi_parse_madt);
+ count = acpi_table_parse(ACPI_SIG_MADT, acpi_parse_madt);
if (count >= 1) {
/*
@@ -1187,7 +1175,7 @@ int __init acpi_boot_table_init(void)
if (acpi_disabled && !acpi_ht)
return 1;
- /*
+ /*
* Initialize the ACPI boot-time table parser.
*/
error = acpi_table_init();
@@ -1196,7 +1184,7 @@ int __init acpi_boot_table_init(void)
return error;
}
- acpi_table_parse("BOOT", acpi_parse_sbf);
+ acpi_table_parse(ACPI_SIG_BOOT, acpi_parse_sbf);
/*
* blacklist may disable ACPI entirely
@@ -1224,7 +1212,7 @@ int __init acpi_boot_init(void)
if (acpi_disabled && !acpi_ht)
return 1;
- acpi_table_parse("BOOT", acpi_parse_sbf);
+ acpi_table_parse(ACPI_SIG_BOOT, acpi_parse_sbf);
/*
* set sci_int and PM timer address
@@ -1236,7 +1224,7 @@ int __init acpi_boot_init(void)
*/
acpi_process_madt();
- acpi_table_parse("HPET", acpi_parse_hpet);
+ acpi_table_parse(ACPI_SIG_HPET, acpi_parse_hpet);
return 0;
}
@@ -1307,13 +1295,17 @@ static int __init setup_acpi_sci(char *s)
if (!s)
return -EINVAL;
if (!strcmp(s, "edge"))
- acpi_sci_flags.trigger = 1;
+ acpi_sci_flags = ACPI_MADT_TRIGGER_EDGE |
+ (acpi_sci_flags & ~ACPI_MADT_TRIGGER_MASK);
else if (!strcmp(s, "level"))
- acpi_sci_flags.trigger = 3;
+ acpi_sci_flags = ACPI_MADT_TRIGGER_LEVEL |
+ (acpi_sci_flags & ~ACPI_MADT_TRIGGER_MASK);
else if (!strcmp(s, "high"))
- acpi_sci_flags.polarity = 1;
+ acpi_sci_flags = ACPI_MADT_POLARITY_ACTIVE_HIGH |
+ (acpi_sci_flags & ~ACPI_MADT_POLARITY_MASK);
else if (!strcmp(s, "low"))
- acpi_sci_flags.polarity = 3;
+ acpi_sci_flags = ACPI_MADT_POLARITY_ACTIVE_LOW |
+ (acpi_sci_flags & ~ACPI_MADT_POLARITY_MASK);
else
return -EINVAL;
return 0;