diff options
Diffstat (limited to 'arch/x86/kernel/acpi')
| -rw-r--r-- | arch/x86/kernel/acpi/boot.c | 296 | ||||
| -rw-r--r-- | arch/x86/kernel/acpi/sleep.c | 2 |
2 files changed, 128 insertions, 170 deletions
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c index 036d28adf59..60cc4058ed5 100644 --- a/arch/x86/kernel/acpi/boot.c +++ b/arch/x86/kernel/acpi/boot.c @@ -31,10 +31,12 @@ #include <linux/module.h> #include <linux/dmi.h> #include <linux/irq.h> +#include <linux/slab.h> #include <linux/bootmem.h> #include <linux/ioport.h> #include <linux/pci.h> +#include <asm/pci_x86.h> #include <asm/pgtable.h> #include <asm/io_apic.h> #include <asm/apic.h> @@ -49,6 +51,7 @@ EXPORT_SYMBOL(acpi_disabled); #ifdef CONFIG_X86_64 # include <asm/proto.h> +# include <asm/numa_64.h> #endif /* X86 */ #define BAD_MADT_ENTRY(entry, end) ( \ @@ -60,7 +63,6 @@ EXPORT_SYMBOL(acpi_disabled); int acpi_noirq; /* skip ACPI IRQ initialization */ int acpi_pci_disabled; /* skip ACPI PCI scan and IRQ initialization */ EXPORT_SYMBOL(acpi_pci_disabled); -int acpi_ht __initdata = 1; /* enable HT */ int acpi_lapic; int acpi_ioapic; @@ -91,6 +93,53 @@ enum acpi_irq_model_id acpi_irq_model = ACPI_IRQ_MODEL_PIC; /* + * ISA irqs by default are the first 16 gsis but can be + * any gsi as specified by an interrupt source override. + */ +static u32 isa_irq_to_gsi[NR_IRQS_LEGACY] __read_mostly = { + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 +}; + +static unsigned int gsi_to_irq(unsigned int gsi) +{ + unsigned int irq = gsi + NR_IRQS_LEGACY; + unsigned int i; + + for (i = 0; i < NR_IRQS_LEGACY; i++) { + if (isa_irq_to_gsi[i] == gsi) { + return i; + } + } + + /* Provide an identity mapping of gsi == irq + * except on truly weird platforms that have + * non isa irqs in the first 16 gsis. + */ + if (gsi >= NR_IRQS_LEGACY) + irq = gsi; + else + irq = gsi_end + 1 + gsi; + + return irq; +} + +static u32 irq_to_gsi(int irq) +{ + unsigned int gsi; + + if (irq < NR_IRQS_LEGACY) + gsi = isa_irq_to_gsi[irq]; + else if (irq <= gsi_end) + gsi = irq; + else if (irq <= (gsi_end + NR_IRQS_LEGACY)) + gsi = irq - gsi_end; + else + gsi = 0xffffffff; + + return gsi; +} + +/* * Temporarily use the virtual area starting from FIX_IO_APIC_BASE_END, * to map the target physical address. The problem is that set_fixmap() * provides a single page, and it is possible that the page is not @@ -310,7 +359,7 @@ acpi_parse_ioapic(struct acpi_subtable_header * header, const unsigned long end) /* * Parse Interrupt Source Override for the ACPI SCI */ -static void __init acpi_sci_ioapic_setup(u32 gsi, u16 polarity, u16 trigger) +static void __init acpi_sci_ioapic_setup(u8 bus_irq, u16 polarity, u16 trigger, u32 gsi) { if (trigger == 0) /* compatible SCI trigger is level */ trigger = 3; @@ -330,7 +379,7 @@ static void __init acpi_sci_ioapic_setup(u32 gsi, u16 polarity, u16 trigger) * If GSI is < 16, this will update its flags, * else it will create a new mp_irqs[] entry. */ - mp_override_legacy_irq(gsi, polarity, trigger, gsi); + mp_override_legacy_irq(bus_irq, polarity, trigger, gsi); /* * stash over-ride to indicate we've been here @@ -354,9 +403,10 @@ acpi_parse_int_src_ovr(struct acpi_subtable_header * header, acpi_table_print_madt_entry(header); if (intsrc->source_irq == acpi_gbl_FADT.sci_interrupt) { - acpi_sci_ioapic_setup(intsrc->global_irq, + acpi_sci_ioapic_setup(intsrc->source_irq, intsrc->inti_flags & ACPI_MADT_POLARITY_MASK, - (intsrc->inti_flags & ACPI_MADT_TRIGGER_MASK) >> 2); + (intsrc->inti_flags & ACPI_MADT_TRIGGER_MASK) >> 2, + intsrc->global_irq); return 0; } @@ -445,7 +495,21 @@ void __init acpi_pic_sci_set_trigger(unsigned int irq, u16 trigger) int acpi_gsi_to_irq(u32 gsi, unsigned int *irq) { - *irq = gsi; + *irq = gsi_to_irq(gsi); + +#ifdef CONFIG_X86_IO_APIC + if (acpi_irq_model == ACPI_IRQ_MODEL_IOAPIC) + setup_IO_APIC_irq_extra(gsi); +#endif + + return 0; +} + +int acpi_isa_irq_to_gsi(unsigned isa_irq, u32 *gsi) +{ + if (isa_irq >= 16) + return -1; + *gsi = irq_to_gsi(isa_irq); return 0; } @@ -473,7 +537,8 @@ int acpi_register_gsi(struct device *dev, u32 gsi, int trigger, int polarity) plat_gsi = mp_register_gsi(dev, gsi, trigger, polarity); } #endif - acpi_gsi_to_irq(plat_gsi, &irq); + irq = gsi_to_irq(plat_gsi); + return irq; } @@ -481,6 +546,26 @@ int acpi_register_gsi(struct device *dev, u32 gsi, int trigger, int polarity) * ACPI based hotplug support for CPU */ #ifdef CONFIG_ACPI_HOTPLUG_CPU +#include <acpi/processor.h> + +static void acpi_map_cpu2node(acpi_handle handle, int cpu, int physid) +{ +#ifdef CONFIG_ACPI_NUMA + int nid; + + nid = acpi_get_node(handle); + if (nid == -1 || !node_online(nid)) + return; +#ifdef CONFIG_X86_64 + apicid_to_node[physid] = nid; + numa_set_node(cpu, nid); +#else /* CONFIG_X86_32 */ + apicid_2_node[physid] = nid; + cpu_to_node_map[cpu] = nid; +#endif + +#endif +} static int __cpuinit _acpi_map_lsapic(acpi_handle handle, int *pcpu) { @@ -539,7 +624,10 @@ static int __cpuinit _acpi_map_lsapic(acpi_handle handle, int *pcpu) goto free_new_map; } + acpi_processor_set_pdc(handle); + cpu = cpumask_first(new_map); + acpi_map_cpu2node(handle, cpu, physid); *pcpu = cpu; retval = 0; @@ -834,29 +922,6 @@ static int __init acpi_parse_madt_lapic_entries(void) extern int es7000_plat; #endif -int __init acpi_probe_gsi(void) -{ - int idx; - int gsi; - int max_gsi = 0; - - if (acpi_disabled) - return 0; - - if (!acpi_ioapic) - return 0; - - max_gsi = 0; - for (idx = 0; idx < nr_ioapics; idx++) { - gsi = mp_gsi_routing[idx].gsi_end; - - if (gsi > max_gsi) - max_gsi = gsi; - } - - return max_gsi + 1; -} - static void assign_to_mp_irq(struct mpc_intsrc *m, struct mpc_intsrc *mp_irq) { @@ -914,13 +979,13 @@ void __init mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger, u32 gsi) mp_irq.dstirq = pin; /* INTIN# */ save_mp_irq(&mp_irq); + + isa_irq_to_gsi[bus_irq] = gsi; } void __init mp_config_acpi_legacy_irqs(void) { int i; - int ioapic; - unsigned int dstapic; struct mpc_intsrc mp_irq; #if defined (CONFIG_MCA) || defined (CONFIG_EISA) @@ -941,19 +1006,27 @@ void __init mp_config_acpi_legacy_irqs(void) #endif /* - * Locate the IOAPIC that manages the ISA IRQs (0-15). - */ - ioapic = mp_find_ioapic(0); - if (ioapic < 0) - return; - dstapic = mp_ioapics[ioapic].apicid; - - /* * Use the default configuration for the IRQs 0-15. Unless * overridden by (MADT) interrupt source override entries. */ for (i = 0; i < 16; i++) { + int ioapic, pin; + unsigned int dstapic; int idx; + u32 gsi; + + /* Locate the gsi that irq i maps to. */ + if (acpi_isa_irq_to_gsi(i, &gsi)) + continue; + + /* + * Locate the IOAPIC that manages the ISA IRQ. + */ + ioapic = mp_find_ioapic(gsi); + if (ioapic < 0) + continue; + pin = mp_find_ioapic_pin(ioapic, gsi); + dstapic = mp_ioapics[ioapic].apicid; for (idx = 0; idx < mp_irq_entries; idx++) { struct mpc_intsrc *irq = mp_irqs + idx; @@ -963,7 +1036,7 @@ void __init mp_config_acpi_legacy_irqs(void) break; /* Do we already have a mapping for this IOAPIC pin */ - if (irq->dstapic == dstapic && irq->dstirq == i) + if (irq->dstapic == dstapic && irq->dstirq == pin) break; } @@ -978,7 +1051,7 @@ void __init mp_config_acpi_legacy_irqs(void) mp_irq.dstapic = dstapic; mp_irq.irqtype = mp_INT; mp_irq.srcbusirq = i; /* Identity mapped */ - mp_irq.dstirq = i; + mp_irq.dstirq = pin; save_mp_irq(&mp_irq); } @@ -1043,11 +1116,6 @@ int mp_register_gsi(struct device *dev, u32 gsi, int trigger, int polarity) ioapic_pin = mp_find_ioapic_pin(ioapic, gsi); -#ifdef CONFIG_X86_32 - if (ioapic_renumber_irq) - gsi = ioapic_renumber_irq(ioapic, gsi); -#endif - if (ioapic_pin > MP_MAX_IOAPIC_PIN) { printk(KERN_ERR "Invalid reference to IOAPIC pin " "%d-%d\n", mp_ioapics[ioapic].apicid, @@ -1061,7 +1129,7 @@ int mp_register_gsi(struct device *dev, u32 gsi, int trigger, int polarity) set_io_apic_irq_attr(&irq_attr, ioapic, ioapic_pin, trigger == ACPI_EDGE_SENSITIVE ? 0 : 1, polarity == ACPI_ACTIVE_HIGH ? 0 : 1); - io_apic_set_pci_routing(dev, gsi, &irq_attr); + io_apic_set_pci_routing(dev, gsi_to_irq(gsi), &irq_attr); return gsi; } @@ -1121,7 +1189,8 @@ static int __init acpi_parse_madt_ioapic_entries(void) * pretend we got one so we can set the SCI flags. */ if (!acpi_sci_override_gsi) - acpi_sci_ioapic_setup(acpi_gbl_FADT.sci_interrupt, 0, 0); + acpi_sci_ioapic_setup(acpi_gbl_FADT.sci_interrupt, 0, 0, + acpi_gbl_FADT.sci_interrupt); /* Fill in identity legacy mappings where no override */ mp_config_acpi_legacy_irqs(); @@ -1185,9 +1254,6 @@ static void __init acpi_process_madt(void) if (!error) { acpi_lapic = 1; -#ifdef CONFIG_X86_BIGSMP - generic_bigsmp_probe(); -#endif /* * Parse MADT IO-APIC entries */ @@ -1197,8 +1263,6 @@ static void __init acpi_process_madt(void) acpi_ioapic = 1; smp_found_config = 1; - if (apic->setup_apic_routing) - apic->setup_apic_routing(); } } if (error == -EINVAL) { @@ -1269,23 +1333,6 @@ static int __init dmi_disable_acpi(const struct dmi_system_id *d) } /* - * Limit ACPI to CPU enumeration for HT - */ -static int __init force_acpi_ht(const struct dmi_system_id *d) -{ - if (!acpi_force) { - printk(KERN_NOTICE "%s detected: force use of acpi=ht\n", - d->ident); - disable_acpi(); - acpi_ht = 1; - } else { - printk(KERN_NOTICE - "Warning: acpi=force overrules DMI blacklist: acpi=ht\n"); - } - return 0; -} - -/* * Force ignoring BIOS IRQ0 pin2 override */ static int __init dmi_ignore_irq0_timer_override(const struct dmi_system_id *d) @@ -1321,90 +1368,6 @@ static struct dmi_system_id __initdata acpi_dmi_table[] = { }, /* - * Boxes that need acpi=ht - */ - { - .callback = force_acpi_ht, - .ident = "FSC Primergy T850", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), - DMI_MATCH(DMI_PRODUCT_NAME, "PRIMERGY T850"), - }, - }, - { - .callback = force_acpi_ht, - .ident = "HP VISUALIZE NT Workstation", - .matches = { - DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"), - DMI_MATCH(DMI_PRODUCT_NAME, "HP VISUALIZE NT Workstation"), - }, - }, - { - .callback = force_acpi_ht, - .ident = "Compaq Workstation W8000", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Compaq"), - DMI_MATCH(DMI_PRODUCT_NAME, "Workstation W8000"), - }, - }, - { - .callback = force_acpi_ht, - .ident = "ASUS P2B-DS", - .matches = { - DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."), - DMI_MATCH(DMI_BOARD_NAME, "P2B-DS"), - }, - }, - { - .callback = force_acpi_ht, - .ident = "ASUS CUR-DLS", - .matches = { - DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."), - DMI_MATCH(DMI_BOARD_NAME, "CUR-DLS"), - }, - }, - { - .callback = force_acpi_ht, - .ident = "ABIT i440BX-W83977", - .matches = { - DMI_MATCH(DMI_BOARD_VENDOR, "ABIT <http://www.abit.com>"), - DMI_MATCH(DMI_BOARD_NAME, "i440BX-W83977 (BP6)"), - }, - }, - { - .callback = force_acpi_ht, - .ident = "IBM Bladecenter", - .matches = { - DMI_MATCH(DMI_BOARD_VENDOR, "IBM"), - DMI_MATCH(DMI_BOARD_NAME, "IBM eServer BladeCenter HS20"), - }, - }, - { - .callback = force_acpi_ht, - .ident = "IBM eServer xSeries 360", - .matches = { - DMI_MATCH(DMI_BOARD_VENDOR, "IBM"), - DMI_MATCH(DMI_BOARD_NAME, "eServer xSeries 360"), - }, - }, - { - .callback = force_acpi_ht, - .ident = "IBM eserver xSeries 330", - .matches = { - DMI_MATCH(DMI_BOARD_VENDOR, "IBM"), - DMI_MATCH(DMI_BOARD_NAME, "eserver xSeries 330"), - }, - }, - { - .callback = force_acpi_ht, - .ident = "IBM eserver xSeries 440", - .matches = { - DMI_MATCH(DMI_BOARD_VENDOR, "IBM"), - DMI_MATCH(DMI_PRODUCT_NAME, "eserver xSeries 440"), - }, - }, - - /* * Boxes that need ACPI PCI IRQ routing disabled */ { @@ -1537,9 +1500,8 @@ void __init acpi_boot_table_init(void) /* * If acpi_disabled, bail out - * One exception: acpi=ht continues far enough to enumerate LAPICs */ - if (acpi_disabled && !acpi_ht) + if (acpi_disabled) return; /* @@ -1570,9 +1532,8 @@ int __init early_acpi_boot_init(void) { /* * If acpi_disabled, bail out - * One exception: acpi=ht continues far enough to enumerate LAPICs */ - if (acpi_disabled && !acpi_ht) + if (acpi_disabled) return 1; /* @@ -1590,9 +1551,8 @@ int __init acpi_boot_init(void) /* * If acpi_disabled, bail out - * One exception: acpi=ht continues far enough to enumerate LAPICs */ - if (acpi_disabled && !acpi_ht) + if (acpi_disabled) return 1; acpi_table_parse(ACPI_SIG_BOOT, acpi_parse_sbf); @@ -1609,6 +1569,9 @@ int __init acpi_boot_init(void) acpi_table_parse(ACPI_SIG_HPET, acpi_parse_hpet); + if (!acpi_noirq) + x86_init.pci.init = pci_acpi_init; + return 0; } @@ -1624,19 +1587,12 @@ static int __init parse_acpi(char *arg) /* acpi=force to over-ride black-list */ else if (strcmp(arg, "force") == 0) { acpi_force = 1; - acpi_ht = 1; acpi_disabled = 0; } /* acpi=strict disables out-of-spec workarounds */ else if (strcmp(arg, "strict") == 0) { acpi_strict = 1; } - /* Limit ACPI just to boot-time to enable HT */ - else if (strcmp(arg, "ht") == 0) { - if (!acpi_force) - disable_acpi(); - acpi_ht = 1; - } /* acpi=rsdt use RSDT instead of XSDT */ else if (strcmp(arg, "rsdt") == 0) { acpi_rsdt_forced = 1; @@ -1644,6 +1600,10 @@ static int __init parse_acpi(char *arg) /* "acpi=noirq" disables ACPI interrupt routing */ else if (strcmp(arg, "noirq") == 0) { acpi_noirq_set(); + } + /* "acpi=copy_dsdt" copys DSDT */ + else if (strcmp(arg, "copy_dsdt") == 0) { + acpi_gbl_copy_dsdt_locally = 1; } else { /* Core will printk when we return error. */ return -EINVAL; diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c index f9961034e55..82e508677b9 100644 --- a/arch/x86/kernel/acpi/sleep.c +++ b/arch/x86/kernel/acpi/sleep.c @@ -162,8 +162,6 @@ static int __init acpi_sleep_setup(char *str) #endif if (strncmp(str, "old_ordering", 12) == 0) acpi_old_suspend_ordering(); - if (strncmp(str, "sci_force_enable", 16) == 0) - acpi_set_sci_en_on_resume(); str = strchr(str, ','); if (str != NULL) str += strspn(str, ", \t"); |