/* * blacklist.c * * Check to see if the given machine has a known bad ACPI BIOS * or if the BIOS is too old. * Check given machine against acpi_osi_dmi_table[]. * * Copyright (C) 2004 Len Brown <len.brown@intel.com> * 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> #include <linux/dmi.h> 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; char *table; enum acpi_blacklist_predicates oem_revision_predicate; char *reason; u32 is_critical_error; }; static struct dmi_system_id acpi_osi_dmi_table[] __initdata; /* * 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 = { /* Compaq Presario 1700 */ {"PTLTD ", " DSDT ", 0x06040000, ACPI_SIG_DSDT, less_than_or_equal, "Multiple problems", 1}, /* Sony FX120, FX140, FX150? */ {"SONY ", "U0 ", 0x20010313, ACPI_SIG_DSDT, less_than_or_equal, "ACPI driver problem", 1}, /* Compaq Presario 800, Insyde BIOS */ {"INT440", "SYSFexxx", 0x00001001, ACPI_SIG_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_SIG_DSDT, less_than_or_equal, "Incorrect _ADR", 1}, {""} }; #if CONFIG_ACPI_BLACKLIST_YEAR 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) { printk(KERN_ERR PREFIX "no DMI BIOS year, " "acpi=force is required to enable ACPI\n" ); return 1; } /* 0? Likely a buggy new BIOS */ if (year == 0) { printk(KERN_ERR PREFIX "DMI BIOS year==0, " "assuming ACPI-capable machine\n" ); 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(acpi_blacklist[i].table, 0, &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++; } } blacklisted += blacklist_by_year(); dmi_check_system(acpi_osi_dmi_table); return blacklisted; } #ifdef CONFIG_DMI static int __init dmi_enable_osi_linux(const struct dmi_system_id *d) { acpi_dmi_osi_linux(1, d); /* enable */ return 0; } static int __init dmi_disable_osi_linux(const struct dmi_system_id *d) { acpi_dmi_osi_linux(0, d); /* disable */ return 0; } static int __init dmi_unknown_osi_linux(const struct dmi_system_id *d) { acpi_dmi_osi_linux(-1, d); /* unknown */ return 0; } static int __init dmi_disable_osi_vista(const struct dmi_system_id *d) { printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident); acpi_osi_setup("!Windows 2006"); return 0; } /* * Most BIOS that invoke OSI(Linux) do nothing with it. * But some cause Linux to break. * Only a couple use it to make Linux run better. * * Thus, Linux should continue to disable OSI(Linux) by default, * should continue to discourage BIOS writers from using it, and * should whitelist the few existing systems that require it. * * If it appears clear a vendor isn't using OSI(Linux) * for anything constructive, blacklist them by name to disable * unnecessary dmesg warnings on all of their products. */ static struct dmi_system_id acpi_osi_dmi_table[] __initdata = { /* * Disable OSI(Linux) warnings on all "Acer, inc." * * _OSI(Linux) disables the latest Windows BIOS code: * DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3100"), * DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5050"), * DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"), * DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5580"), * DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 3010"), * _OSI(Linux) effect unknown: * DMI_MATCH(DMI_PRODUCT_NAME, "Ferrari 5000"), */ /* * note that dmi_check_system() uses strstr() * to match sub-strings rather than !strcmp(), * so "Acer" below matches "Acer, inc." above. */ /* * Disable OSI(Linux) warnings on all "Acer" * * _OSI(Linux) effect unknown: * DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"), * DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 7720Z"), * DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 5520"), * DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 6460"), * DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 7510"), * * _OSI(Linux) is a NOP: * DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5315"), * DMI_MATCH(DMI_PRODUCT_NAME, "Extensa 5220"), */ { .callback = dmi_disable_osi_linux, .ident = "Acer", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Acer"), }, }, /* * Disable OSI(Linux) warnings on all "Apple Computer, Inc." * Disable OSI(Linux) warnings on all "Apple Inc." * * _OSI(Linux) confirmed to be a NOP: * DMI_MATCH(DMI_PRODUCT_NAME, "MacBook1,1"), * DMI_MATCH(DMI_PRODUCT_NAME, "MacBook2,1"), * DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro2,2"), * DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro3,1"), * _OSI(Linux) effect unknown: * DMI_MATCH(DMI_PRODUCT_NAME, "MacPro2,1"), * DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro1,1"), */ { .callback = dmi_disable_osi_linux, .ident = "Apple", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Apple"), }, }, /* * Disable OSI(Linux) warnings on all "BenQ" * * _OSI(Linux) confirmed to be a NOP: * DMI_MATCH(DMI_PRODUCT_NAME, "Joybook S31"), */ { .callback = dmi_disable_osi_linux, .ident = "BenQ", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "BenQ"), }, }, /* * Disable OSI(Linux) warnings on all "Clevo Co." * * _OSI(Linux) confirmed to be a NOP: * DMI_MATCH(DMI_PRODUCT_NAME, "M570RU"), */ { .callback = dmi_disable_osi_linux, .ident = "Clevo", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Clevo Co."), }, }, /* * Disable OSI(Linux) warnings on all "COMPAL" * * _OSI(Linux) confirmed to be a NOP: * DMI_MATCH(DMI_BOARD_NAME, "HEL8X"), * _OSI(Linux) unknown effect: * DMI_MATCH(DMI_BOARD_NAME, "IFL91"), */ { .callback = dmi_disable_osi_linux, .ident = "Compal", .matches = { DMI_MATCH(DMI_BIOS_VENDOR, "COMPAL"), }, }, { /* OSI(Linux) touches USB, unknown side-effect */ .callback = dmi_disable_osi_linux, .ident = "Dell Dimension 5150", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), DMI_MATCH(DMI_PRODUCT_NAME, "Dell DM051"), }, }, { /* OSI(Linux) is a NOP */ .callback = dmi_disable_osi_linux, .ident = "Dell i1501", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 1501"), }, }, { /* OSI(Linux) effect unknown */ .callback = dmi_unknown_osi_linux, .ident = "Dell Latitude D830", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), DMI_MATCH(DMI_PRODUCT_NAME, "Latitude D830"), }, }, { /* OSI(Linux) effect unknown */ .callback = dmi_unknown_osi_linux, .ident = "Dell OptiPlex GX620", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex GX620"), }, }, { /* OSI(Linux) causes some USB initialization to not run */ .callback = dmi_unknown_osi_linux, .ident = "Dell OptiPlex 755", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex 755"), }, }, { /* OSI(Linux) effect unknown */ .callback = dmi_unknown_osi_linux, .ident = "Dell PE 1900", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 1900"), }, }, { /* OSI(Linux) is a NOP */ .callback = dmi_unknown_osi_linux, .ident = "Dell PE 1950", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 1950"), }, }, { /* OSI(Linux) is a NOP */ .callback = dmi_disable_osi_linux, .ident = "Dell PE R200", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge R200"), }, }, { /* OSI(Linux) touches USB */ .callback = dmi_disable_osi_linux, .ident = "Dell PR 390", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), DMI_MATCH(DMI_PRODUCT_NAME, "Precision WorkStation 390"), }, }, { /* OSI(Linux) touches USB */ .callback = dmi_unknown_osi_linux, .ident = "Dell PR 390", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), DMI_MATCH(DMI_PRODUCT_NAME, "Precision WorkStation 690"), }, }, { /* OSI(Linux) unknown - ASL looks benign, but may effect dock/SMM */ .callback = dmi_unknown_osi_linux, .ident = "Dell PR M4300", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), DMI_MATCH(DMI_PRODUCT_NAME, "Precision M4300"), }, }, { /* OSI(Linux) is a NOP */ .callback = dmi_disable_osi_linux, .ident = "Dell Vostro 1000", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1000"), }, }, { /* OSI(Linux) effect unknown */ .callback = dmi_unknown_osi_linux, .ident = "Dell PE SC440", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge SC440"), }, }, { /* OSI(Linux) effect unknown */ .callback = dmi_unknown_osi_linux, .ident = "Dialogue Flybook V5", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dialogue Technology Corporation"), DMI_MATCH(DMI_PRODUCT_NAME, "Flybook V5"), }, }, /* * Disable OSI(Linux) warnings on all "FUJITSU SIEMENS" * * _OSI(Linux) disables latest Windows BIOS code: * DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pa 2510"), * _OSI(Linux) confirmed to be a NOP: * DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pi 1536"), * DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pi 1556"), * DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 1546"), * DMI_MATCH(DMI_PRODUCT_NAME, "ESPRIMO Mobile V5505"), * _OSI(Linux) unknown effect: * DMI_MATCH(DMI_PRODUCT_NAME, "Amilo M1425"), * DMI_MATCH(DMI_PRODUCT_NAME, "Amilo Si 1520"), */ { .callback = dmi_disable_osi_linux, .ident = "Fujitsu Siemens", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), }, }, { .callback = dmi_disable_osi_vista, .ident = "Fujitsu Siemens", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), DMI_MATCH(DMI_PRODUCT_NAME, "ESPRIMO Mobile V5505"), }, }, /* * Disable OSI(Linux) warnings on all "Hewlett-Packard" * * _OSI(Linux) confirmed to be a NOP: * .ident = "HP Pavilion tx 1000" * DMI_MATCH(DMI_BOARD_NAME, "30BF"), * .ident = "HP Pavilion dv2000" * DMI_MATCH(DMI_BOARD_NAME, "30B5"), * .ident = "HP Pavilion dv5000", * DMI_MATCH(DMI_BOARD_NAME, "30A7"), * .ident = "HP Pavilion dv6300 30BC", * DMI_MATCH(DMI_BOARD_NAME, "30BC"), * .ident = "HP Pavilion dv6000", * DMI_MATCH(DMI_BOARD_NAME, "30B7"), * DMI_MATCH(DMI_BOARD_NAME, "30B8"), * .ident = "HP Pavilion dv9000", * DMI_MATCH(DMI_BOARD_NAME, "30B9"), * .ident = "HP Pavilion dv9500", * DMI_MATCH(DMI_BOARD_NAME, "30CB"), * .ident = "HP/Compaq Presario C500", * DMI_MATCH(DMI_BOARD_NAME, "30C6"), * .ident = "HP/Compaq Presario F500", * DMI_MATCH(DMI_BOARD_NAME, "30D3"), * _OSI(Linux) unknown effect: * .ident = "HP Pavilion dv6500", * DMI_MATCH(DMI_BOARD_NAME, "30D0"), */ { .callback = dmi_disable_osi_linux, .ident = "Hewlett-Packard", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), }, }, /* * Lenovo has a mix of systems OSI(Linux) situations * and thus we can not wildcard the vendor. * * _OSI(Linux) helps sound * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad R61"), * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T61"), * _OSI(Linux) has Linux specific hooks * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X61"), * _OSI(Linux) is a NOP: * DMI_MATCH(DMI_PRODUCT_VERSION, "3000 N100"), * DMI_MATCH(DMI_PRODUCT_VERSION, "LENOVO3000 V100"), */ { .callback = dmi_enable_osi_linux, .ident = "Lenovo ThinkPad R61", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad R61"), }, }, { .callback = dmi_enable_osi_linux, .ident = "Lenovo ThinkPad T61", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T61"), }, }, { .callback = dmi_enable_osi_linux, .ident = "Lenovo ThinkPad X61", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X61"), }, }, { .callback = dmi_disable_osi_linux, .ident = "Lenovo 3000 V100", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), DMI_MATCH(DMI_PRODUCT_VERSION, "LENOVO3000 V100"), }, }, { .callback = dmi_disable_osi_linux, .ident = "Lenovo 3000 N100", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), DMI_MATCH(DMI_PRODUCT_VERSION, "3000 N100"), }, }, /* * Disable OSI(Linux) warnings on all "LG Electronics" * * _OSI(Linux) confirmed to be a NOP: * DMI_MATCH(DMI_PRODUCT_NAME, "P1-J150B"), * with DMI_MATCH(DMI_BOARD_NAME, "ROCKY"), * * unknown: * DMI_MATCH(DMI_PRODUCT_NAME, "S1-MDGDG"), * with DMI_MATCH(DMI_BOARD_NAME, "ROCKY"), */ { .callback = dmi_disable_osi_linux, .ident = "LG", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "LG Electronics"), }, }, /* NEC - OSI(Linux) effect unknown */ { .callback = dmi_unknown_osi_linux, .ident = "NEC VERSA M360", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "NEC Computers SAS"), DMI_MATCH(DMI_PRODUCT_NAME, "NEC VERSA M360"), }, }, /* Panasonic */ { .callback = dmi_unknown_osi_linux, .ident = "Panasonic", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"), /* Toughbook CF-52 */ DMI_MATCH(DMI_PRODUCT_NAME, "CF-52CCABVBG"), }, }, /* * Disable OSI(Linux) warnings on all "Samsung Electronics" * * OSI(Linux) disables PNP0C32 and other BIOS code for Windows: * DMI_MATCH(DMI_PRODUCT_NAME, "R40P/R41P"), * DMI_MATCH(DMI_PRODUCT_NAME, "R59P/R60P/R61P"), */ { .callback = dmi_disable_osi_linux, .ident = "Samsung", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."), }, }, /* * Disable OSI(Linux) warnings on all "Sony Corporation" * * _OSI(Linux) is a NOP: * DMI_MATCH(DMI_PRODUCT_NAME, "VGN-NR11S_S"), * DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SZ38GP_C"), * DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SZ650N"), * DMI_MATCH(DMI_PRODUCT_NAME, "VGN-TZ21MN_N"), * _OSI(Linux) unknown effect: * DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FZ11M"), */ { .callback = dmi_disable_osi_linux, .ident = "Sony", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), }, }, /* * Disable OSI(Linux) warnings on all "TOSHIBA" * * _OSI(Linux) breaks sound (bugzilla 7787): * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P100"), * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P105"), * _OSI(Linux) is a NOP: * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite A100"), * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite A210"), * _OSI(Linux) unknown effect: * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite A135"), * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite A200"), * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P205"), * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite U305"), */ { .callback = dmi_disable_osi_linux, .ident = "Toshiba", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), }, }, {} }; #endif /* CONFIG_DMI */