patch-2.4.22 linux-2.4.22/drivers/acpi/blacklist.c
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- 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;
+}
+
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