Moved, renamed, and deleted files

The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.

1 files changed, 363 insertions, 0 deletions

diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c
new file mode 100644
index 00000000..f336bca7
--- /dev/null
+++ b/drivers/acpi/tables.c
@@ -0,0 +1,363 @@
+/*
+ *  acpi_tables.c - ACPI Boot-Time Table Parsing
+ *
+ *  Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/smp.h>
+#include <linux/string.h>
+#include <linux/types.h>
+#include <linux/irq.h>
+#include <linux/errno.h>
+#include <linux/acpi.h>
+#include <linux/bootmem.h>
+
+#define PREFIX			"ACPI: "
+
+#define ACPI_MAX_TABLES		128
+
+static char *mps_inti_flags_polarity[] = { "dfl", "high", "res", "low" };
+static char *mps_inti_flags_trigger[] = { "dfl", "edge", "res", "level" };
+
+static struct acpi_table_desc initial_tables[ACPI_MAX_TABLES] __initdata;
+
+static int acpi_apic_instance __initdata;
+
+void acpi_table_print_madt_entry(struct acpi_subtable_header *header)
+{
+	if (!header)
+		return;
+
+	switch (header->type) {
+
+	case ACPI_MADT_TYPE_LOCAL_APIC:
+		{
+			struct acpi_madt_local_apic *p =
+			    (struct acpi_madt_local_apic *)header;
+			printk(KERN_INFO PREFIX
+			       "LAPIC (acpi_id[0x%02x] lapic_id[0x%02x] %s)\n",
+			       p->processor_id, p->id,
+			       (p->lapic_flags & ACPI_MADT_ENABLED) ? "enabled" : "disabled");
+		}
+		break;
+
+	case ACPI_MADT_TYPE_LOCAL_X2APIC:
+		{
+			struct acpi_madt_local_x2apic *p =
+			    (struct acpi_madt_local_x2apic *)header;
+			printk(KERN_INFO PREFIX
+			       "X2APIC (apic_id[0x%02x] uid[0x%02x] %s)\n",
+			       p->local_apic_id, p->uid,
+			       (p->lapic_flags & ACPI_MADT_ENABLED) ?
+			       "enabled" : "disabled");
+		}
+		break;
+
+	case ACPI_MADT_TYPE_IO_APIC:
+		{
+			struct acpi_madt_io_apic *p =
+			    (struct acpi_madt_io_apic *)header;
+			printk(KERN_INFO PREFIX
+			       "IOAPIC (id[0x%02x] address[0x%08x] gsi_base[%d])\n",
+			       p->id, p->address, p->global_irq_base);
+		}
+		break;
+
+	case ACPI_MADT_TYPE_INTERRUPT_OVERRIDE:
+		{
+			struct acpi_madt_interrupt_override *p =
+			    (struct acpi_madt_interrupt_override *)header;
+			printk(KERN_INFO PREFIX
+			       "INT_SRC_OVR (bus %d bus_irq %d global_irq %d %s %s)\n",
+			       p->bus, p->source_irq, p->global_irq,
+			       mps_inti_flags_polarity[p->inti_flags & ACPI_MADT_POLARITY_MASK],
+			       mps_inti_flags_trigger[(p->inti_flags & ACPI_MADT_TRIGGER_MASK) >> 2]);
+			if (p->inti_flags  &
+			    ~(ACPI_MADT_POLARITY_MASK | ACPI_MADT_TRIGGER_MASK))
+				printk(KERN_INFO PREFIX
+				       "INT_SRC_OVR unexpected reserved flags: 0x%x\n",
+				       p->inti_flags  &
+					~(ACPI_MADT_POLARITY_MASK | ACPI_MADT_TRIGGER_MASK));
+
+		}
+		break;
+
+	case ACPI_MADT_TYPE_NMI_SOURCE:
+		{
+			struct acpi_madt_nmi_source *p =
+			    (struct acpi_madt_nmi_source *)header;
+			printk(KERN_INFO PREFIX
+			       "NMI_SRC (%s %s global_irq %d)\n",
+			       mps_inti_flags_polarity[p->inti_flags & ACPI_MADT_POLARITY_MASK],
+			       mps_inti_flags_trigger[(p->inti_flags & ACPI_MADT_TRIGGER_MASK) >> 2],
+			       p->global_irq);
+		}
+		break;
+
+	case ACPI_MADT_TYPE_LOCAL_APIC_NMI:
+		{
+			struct acpi_madt_local_apic_nmi *p =
+			    (struct acpi_madt_local_apic_nmi *)header;
+			printk(KERN_INFO PREFIX
+			       "LAPIC_NMI (acpi_id[0x%02x] %s %s lint[0x%x])\n",
+			       p->processor_id,
+			       mps_inti_flags_polarity[p->inti_flags & ACPI_MADT_POLARITY_MASK	],
+			       mps_inti_flags_trigger[(p->inti_flags & ACPI_MADT_TRIGGER_MASK) >> 2],
+			       p->lint);
+		}
+		break;
+
+	case ACPI_MADT_TYPE_LOCAL_X2APIC_NMI:
+		{
+			u16 polarity, trigger;
+			struct acpi_madt_local_x2apic_nmi *p =
+			    (struct acpi_madt_local_x2apic_nmi *)header;
+
+			polarity = p->inti_flags & ACPI_MADT_POLARITY_MASK;
+			trigger = (p->inti_flags & ACPI_MADT_TRIGGER_MASK) >> 2;
+
+			printk(KERN_INFO PREFIX
+			       "X2APIC_NMI (uid[0x%02x] %s %s lint[0x%x])\n",
+			       p->uid,
+			       mps_inti_flags_polarity[polarity],
+			       mps_inti_flags_trigger[trigger],
+			       p->lint);
+		}
+		break;
+
+	case ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE:
+		{
+			struct acpi_madt_local_apic_override *p =
+			    (struct acpi_madt_local_apic_override *)header;
+			printk(KERN_INFO PREFIX
+			       "LAPIC_ADDR_OVR (address[%p])\n",
+			       (void *)(unsigned long)p->address);
+		}
+		break;
+
+	case ACPI_MADT_TYPE_IO_SAPIC:
+		{
+			struct acpi_madt_io_sapic *p =
+			    (struct acpi_madt_io_sapic *)header;
+			printk(KERN_INFO PREFIX
+			       "IOSAPIC (id[0x%x] address[%p] gsi_base[%d])\n",
+			       p->id, (void *)(unsigned long)p->address,
+			       p->global_irq_base);
+		}
+		break;
+
+	case ACPI_MADT_TYPE_LOCAL_SAPIC:
+		{
+			struct acpi_madt_local_sapic *p =
+			    (struct acpi_madt_local_sapic *)header;
+			printk(KERN_INFO PREFIX
+			       "LSAPIC (acpi_id[0x%02x] lsapic_id[0x%02x] lsapic_eid[0x%02x] %s)\n",
+			       p->processor_id, p->id, p->eid,
+			       (p->lapic_flags & ACPI_MADT_ENABLED) ? "enabled" : "disabled");
+		}
+		break;
+
+	case ACPI_MADT_TYPE_INTERRUPT_SOURCE:
+		{
+			struct acpi_madt_interrupt_source *p =
+			    (struct acpi_madt_interrupt_source *)header;
+			printk(KERN_INFO PREFIX
+			       "PLAT_INT_SRC (%s %s type[0x%x] id[0x%04x] eid[0x%x] iosapic_vector[0x%x] global_irq[0x%x]\n",
+			       mps_inti_flags_polarity[p->inti_flags & ACPI_MADT_POLARITY_MASK],
+			       mps_inti_flags_trigger[(p->inti_flags & ACPI_MADT_TRIGGER_MASK) >> 2],
+			       p->type, p->id, p->eid, p->io_sapic_vector,
+			       p->global_irq);
+		}
+		break;
+
+	default:
+		printk(KERN_WARNING PREFIX
+		       "Found unsupported MADT entry (type = 0x%x)\n",
+		       header->type);
+		break;
+	}
+}
+
+
+int __init
+acpi_table_parse_entries(char *id,
+			     unsigned long table_size,
+			     int entry_id,
+			     acpi_table_entry_handler handler,
+			     unsigned int max_entries)
+{
+	struct acpi_table_header *table_header = NULL;
+	struct acpi_subtable_header *entry;
+	unsigned int count = 0;
+	unsigned long table_end;
+	acpi_size tbl_size;
+
+	if (acpi_disabled)
+		return -ENODEV;
+
+	if (!handler)
+		return -EINVAL;
+
+	if (strncmp(id, ACPI_SIG_MADT, 4) == 0)
+		acpi_get_table_with_size(id, acpi_apic_instance, &table_header, &tbl_size);
+	else
+		acpi_get_table_with_size(id, 0, &table_header, &tbl_size);
+
+	if (!table_header) {
+		printk(KERN_WARNING PREFIX "%4.4s not present\n", id);
+		return -ENODEV;
+	}
+
+	table_end = (unsigned long)table_header + table_header->length;
+
+	/* Parse all entries looking for a match. */
+
+	entry = (struct acpi_subtable_header *)
+	    ((unsigned long)table_header + table_size);
+
+	while (((unsigned long)entry) + sizeof(struct acpi_subtable_header) <
+	       table_end) {
+		if (entry->type == entry_id
+		    && (!max_entries || count++ < max_entries))
+			if (handler(entry, table_end)) {
+				early_acpi_os_unmap_memory((char *)table_header, tbl_size);
+				return -EINVAL;
+			}
+
+		entry = (struct acpi_subtable_header *)
+		    ((unsigned long)entry + entry->length);
+	}
+	if (max_entries && count > max_entries) {
+		printk(KERN_WARNING PREFIX "[%4.4s:0x%02x] ignored %i entries of "
+		       "%i found\n", id, entry_id, count - max_entries, count);
+	}
+
+	early_acpi_os_unmap_memory((char *)table_header, tbl_size);
+	return count;
+}
+
+int __init
+acpi_table_parse_madt(enum acpi_madt_type id,
+		      acpi_table_entry_handler handler, unsigned int max_entries)
+{
+	return acpi_table_parse_entries(ACPI_SIG_MADT,
+					    sizeof(struct acpi_table_madt), id,
+					    handler, max_entries);
+}
+
+/**
+ * acpi_table_parse - find table with @id, run @handler on it
+ *
+ * @id: table id to find
+ * @handler: handler to run
+ *
+ * Scan the ACPI System Descriptor Table (STD) for a table matching @id,
+ * run @handler on it.  Return 0 if table found, return on if not.
+ */
+int __init acpi_table_parse(char *id, acpi_table_handler handler)
+{
+	struct acpi_table_header *table = NULL;
+	acpi_size tbl_size;
+
+	if (acpi_disabled)
+		return -ENODEV;
+
+	if (!handler)
+		return -EINVAL;
+
+	if (strncmp(id, ACPI_SIG_MADT, 4) == 0)
+		acpi_get_table_with_size(id, acpi_apic_instance, &table, &tbl_size);
+	else
+		acpi_get_table_with_size(id, 0, &table, &tbl_size);
+
+	if (table) {
+		handler(table);
+		early_acpi_os_unmap_memory(table, tbl_size);
+		return 0;
+	} else
+		return 1;
+}
+
+/* 
+ * The BIOS is supposed to supply a single APIC/MADT,
+ * but some report two.  Provide a knob to use either.
+ * (don't you wish instance 0 and 1 were not the same?)
+ */
+static void __init check_multiple_madt(void)
+{
+	struct acpi_table_header *table = NULL;
+	acpi_size tbl_size;
+
+	acpi_get_table_with_size(ACPI_SIG_MADT, 2, &table, &tbl_size);
+	if (table) {
+		printk(KERN_WARNING PREFIX
+		       "BIOS bug: multiple APIC/MADT found,"
+		       " using %d\n", acpi_apic_instance);
+		printk(KERN_WARNING PREFIX
+		       "If \"acpi_apic_instance=%d\" works better, "
+		       "notify linux-acpi@vger.kernel.org\n",
+		       acpi_apic_instance ? 0 : 2);
+		early_acpi_os_unmap_memory(table, tbl_size);
+
+	} else
+		acpi_apic_instance = 0;
+
+	return;
+}
+
+/*
+ * acpi_table_init()
+ *
+ * find RSDP, find and checksum SDT/XSDT.
+ * checksum all tables, print SDT/XSDT
+ *
+ * result: sdt_entry[] is initialized
+ */
+
+int __init acpi_table_init(void)
+{
+	acpi_status status;
+
+	status = acpi_initialize_tables(initial_tables, ACPI_MAX_TABLES, 0);
+	if (ACPI_FAILURE(status))
+		return 1;
+
+	check_multiple_madt();
+	return 0;
+}
+
+static int __init acpi_parse_apic_instance(char *str)
+{
+	if (!str)
+		return -EINVAL;
+
+	acpi_apic_instance = simple_strtoul(str, NULL, 0);
+
+	printk(KERN_NOTICE PREFIX "Shall use APIC/MADT table %d\n",
+	       acpi_apic_instance);
+
+	return 0;
+}
+
+early_param("acpi_apic_instance", acpi_parse_apic_instance);