2 files changed, 128 insertions, 170 deletions

diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 036d28adf59d..60cc4058ed5f 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 f9961034e557..82e508677b91 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");