patch-2.4.22 linux-2.4.22/drivers/acpi/blacklist.c

• Lines: 142
• Date: 2003-08-25 04:44:41.000000000 -0700
• Orig file: linux-2.4.21/drivers/acpi/blacklist.c
• Orig date: 1969-12-31 16:00:00.000000000 -0800

diff -urN linux-2.4.21/drivers/acpi/blacklist.c linux-2.4.22/drivers/acpi/blacklist.c
@@ -0,0 +1,141 @@
+/*
+ *  blacklist.c
+ *
+ *  Check to see if the given machine has a known bad ACPI BIOS
+ *
+ *  Copyright (C) 2002 Andy Grover <andrew.grover@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/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/acpi.h>
+#include <acpi/acpi_bus.h>
+
+#define	PREFIX			"ACPI: "
+
+enum acpi_blacklist_predicates
+{
+        all_versions,
+        less_than_or_equal,
+        equal,
+        greater_than_or_equal,
+};
+
+struct acpi_blacklist_item
+{
+        char            oem_id[7];
+        char            oem_table_id[9];
+        u32             oem_revision;
+        acpi_table_type table;
+        enum acpi_blacklist_predicates oem_revision_predicate;
+        char            *reason;
+        u32             is_critical_error;
+};
+
+/*
+ * POLICY: If *anything* doesn't work, put it on the blacklist.
+ *	   If they are critical errors, mark it critical, and abort driver load.
+ */
+static struct acpi_blacklist_item acpi_blacklist[] __initdata =
+{
+	/* Portege 7020, BIOS 8.10 */
+	{"TOSHIB", "7020CT  ", 0x19991112, ACPI_DSDT, all_versions, "Implicit Return", 0},
+	/* Portege 4030 */
+	{"TOSHIB", "4030    ", 0x19991112, ACPI_DSDT, all_versions, "Implicit Return", 0},
+	/* Portege 310/320, BIOS 7.1 */
+	{"TOSHIB", "310     ", 0x19990511, ACPI_DSDT, all_versions, "Implicit Return", 0},
+	/* Seattle 2, old bios rev. */
+	{"INTEL ", "440BX   ", 0x00001000, ACPI_DSDT, less_than_or_equal, "Field beyond end of region", 0},
+	/* ASUS K7M */
+	{"ASUS  ", "K7M     ", 0x00001000, ACPI_DSDT, less_than_or_equal, "Field beyond end of region", 0},
+	/* Intel 810 Motherboard? */
+	{"MNTRAL", "MO81010A", 0x00000012, ACPI_DSDT, less_than_or_equal, "Field beyond end of region", 0},
+	/* Compaq Presario 711FR */
+	{"COMAPQ", "EAGLES", 0x06040000, ACPI_DSDT, less_than_or_equal, "SCI issues (C2 disabled)", 0},
+	/* Compaq Presario 1700 */
+	{"PTLTD ", "  DSDT  ", 0x06040000, ACPI_DSDT, less_than_or_equal, "Multiple problems", 1},
+	/* Sony FX120, FX140, FX150? */
+	{"SONY  ", "U0      ", 0x20010313, ACPI_DSDT, less_than_or_equal, "ACPI driver problem", 1},
+	/* Compaq Presario 800, Insyde BIOS */
+	{"INT440", "SYSFexxx", 0x00001001, ACPI_DSDT, less_than_or_equal, "Does not use _REG to protect EC OpRegions", 1},
+	/* IBM 600E - _ADR should return 7, but it returns 1 */
+	{"IBM   ", "TP600E  ", 0x00000105, ACPI_DSDT, less_than_or_equal, "Incorrect _ADR", 1},
+	{"ASUS\0\0", "P2B-S   ", 0, ACPI_DSDT, all_versions, "Bogus PCI routing", 1},
+
+	{""}
+};
+
+
+int __init
+acpi_blacklisted(void)
+{
+	int i = 0;
+	int blacklisted = 0;
+	struct acpi_table_header *table_header;
+
+	while (acpi_blacklist[i].oem_id[0] != '\0')
+	{
+		if (acpi_get_table_header_early(acpi_blacklist[i].table, &table_header)) {
+			i++;
+			continue;
+		}
+
+		if (strncmp(acpi_blacklist[i].oem_id, table_header->oem_id, 6)) {
+			i++;
+			continue;
+		}
+
+		if (strncmp(acpi_blacklist[i].oem_table_id, table_header->oem_table_id, 8)) {
+			i++;
+			continue;
+		}
+
+		if ((acpi_blacklist[i].oem_revision_predicate == all_versions)
+		    || (acpi_blacklist[i].oem_revision_predicate == less_than_or_equal
+		        && table_header->oem_revision <= acpi_blacklist[i].oem_revision)
+		    || (acpi_blacklist[i].oem_revision_predicate == greater_than_or_equal
+		        && table_header->oem_revision >= acpi_blacklist[i].oem_revision)
+		    || (acpi_blacklist[i].oem_revision_predicate == equal
+		        && table_header->oem_revision == acpi_blacklist[i].oem_revision)) {
+
+			printk(KERN_ERR PREFIX "Vendor \"%6.6s\" System \"%8.8s\" "
+				"Revision 0x%x has a known ACPI BIOS problem.\n",
+				acpi_blacklist[i].oem_id,
+				acpi_blacklist[i].oem_table_id,
+				acpi_blacklist[i].oem_revision);
+
+			printk(KERN_ERR PREFIX "Reason: %s. This is a %s error\n",
+				acpi_blacklist[i].reason,
+				(acpi_blacklist[i].is_critical_error ? "non-recoverable" : "recoverable"));
+
+			blacklisted = acpi_blacklist[i].is_critical_error;
+			break;
+		}
+		else {
+			i++;
+		}
+	}
+
+	return blacklisted;
+}
+