X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Facpi%2Fblacklist.c;h=f9c972b26f4fd49bd883508736ad5c04633b885d;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=9cf61ba9d6012361a1622a3b92a1bd2de6060e40;hpb=5273a3df6485dc2ad6aa7ddd441b9a21970f003b;p=linux-2.6.git diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c index 9cf61ba9d..f9c972b26 100644 --- a/drivers/acpi/blacklist.c +++ b/drivers/acpi/blacklist.c @@ -2,7 +2,9 @@ * blacklist.c * * Check to see if the given machine has a known bad ACPI BIOS + * or if the BIOS is too old. * + * Copyright (C) 2004 Len Brown * Copyright (C) 2002 Andy Grover * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ @@ -24,76 +26,88 @@ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ - #include #include #include #include #include +#include -enum acpi_blacklist_predicates -{ - all_versions, - less_than_or_equal, - equal, - greater_than_or_equal, +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; +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}, +static struct acpi_blacklist_item acpi_blacklist[] __initdata = { /* Compaq Presario 1700 */ - {"PTLTD ", " DSDT ", 0x06040000, ACPI_DSDT, less_than_or_equal, "Multiple problems", 1}, + {"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}, + {"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}, + {"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}, + {"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}, {""} }; +#if CONFIG_ACPI_BLACKLIST_YEAR -int __init -acpi_blacklisted(void) +static int __init blacklist_by_year(void) +{ + int year = dmi_get_year(DMI_BIOS_DATE); + /* Doesn't exist? Likely an old system */ + if (year == -1) + return 1; + /* 0? Likely a buggy new BIOS */ + if (year == 0) + return 0; + if (year < CONFIG_ACPI_BLACKLIST_YEAR) { + printk(KERN_ERR PREFIX "BIOS age (%d) fails cutoff (%d), " + "acpi=force is required to enable ACPI\n", + year, CONFIG_ACPI_BLACKLIST_YEAR); + return 1; + } + return 0; +} +#else +static inline int blacklist_by_year(void) +{ + return 0; +} +#endif + +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)) { + while (acpi_blacklist[i].oem_id[0] != '\0') { + if (acpi_get_table_header_early + (acpi_blacklist[i].table, &table_header)) { i++; continue; } @@ -103,37 +117,48 @@ acpi_blacklisted(void) continue; } - if (strncmp(acpi_blacklist[i].oem_table_id, table_header->oem_table_id, 8)) { + 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 == + 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")); + && 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 { + } else { i++; } } + blacklisted += blacklist_by_year(); + return blacklisted; } -