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path: root/drivers/acpi/blacklist.c
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-rw-r--r--drivers/acpi/blacklist.c122
1 files changed, 66 insertions, 56 deletions
diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c
index 4c010e7f11b8..9824f679a910 100644
--- a/drivers/acpi/blacklist.c
+++ b/drivers/acpi/blacklist.c
@@ -26,7 +26,6 @@
26 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 26 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
27 */ 27 */
28 28
29
30#include <linux/kernel.h> 29#include <linux/kernel.h>
31#include <linux/module.h> 30#include <linux/module.h>
32#include <linux/init.h> 31#include <linux/init.h>
@@ -34,49 +33,49 @@
34#include <acpi/acpi_bus.h> 33#include <acpi/acpi_bus.h>
35#include <linux/dmi.h> 34#include <linux/dmi.h>
36 35
37enum acpi_blacklist_predicates 36enum acpi_blacklist_predicates {
38{ 37 all_versions,
39 all_versions, 38 less_than_or_equal,
40 less_than_or_equal, 39 equal,
41 equal, 40 greater_than_or_equal,
42 greater_than_or_equal,
43}; 41};
44 42
45struct acpi_blacklist_item 43struct acpi_blacklist_item {
46{ 44 char oem_id[7];
47 char oem_id[7]; 45 char oem_table_id[9];
48 char oem_table_id[9]; 46 u32 oem_revision;
49 u32 oem_revision; 47 acpi_table_type table;
50 acpi_table_type table; 48 enum acpi_blacklist_predicates oem_revision_predicate;
51 enum acpi_blacklist_predicates oem_revision_predicate; 49 char *reason;
52 char *reason; 50 u32 is_critical_error;
53 u32 is_critical_error;
54}; 51};
55 52
56/* 53/*
57 * POLICY: If *anything* doesn't work, put it on the blacklist. 54 * POLICY: If *anything* doesn't work, put it on the blacklist.
58 * If they are critical errors, mark it critical, and abort driver load. 55 * If they are critical errors, mark it critical, and abort driver load.
59 */ 56 */
60static struct acpi_blacklist_item acpi_blacklist[] __initdata = 57static struct acpi_blacklist_item acpi_blacklist[] __initdata = {
61{
62 /* Compaq Presario 1700 */ 58 /* Compaq Presario 1700 */
63 {"PTLTD ", " DSDT ", 0x06040000, ACPI_DSDT, less_than_or_equal, "Multiple problems", 1}, 59 {"PTLTD ", " DSDT ", 0x06040000, ACPI_DSDT, less_than_or_equal,
60 "Multiple problems", 1},
64 /* Sony FX120, FX140, FX150? */ 61 /* Sony FX120, FX140, FX150? */
65 {"SONY ", "U0 ", 0x20010313, ACPI_DSDT, less_than_or_equal, "ACPI driver problem", 1}, 62 {"SONY ", "U0 ", 0x20010313, ACPI_DSDT, less_than_or_equal,
63 "ACPI driver problem", 1},
66 /* Compaq Presario 800, Insyde BIOS */ 64 /* Compaq Presario 800, Insyde BIOS */
67 {"INT440", "SYSFexxx", 0x00001001, ACPI_DSDT, less_than_or_equal, "Does not use _REG to protect EC OpRegions", 1}, 65 {"INT440", "SYSFexxx", 0x00001001, ACPI_DSDT, less_than_or_equal,
66 "Does not use _REG to protect EC OpRegions", 1},
68 /* IBM 600E - _ADR should return 7, but it returns 1 */ 67 /* IBM 600E - _ADR should return 7, but it returns 1 */
69 {"IBM ", "TP600E ", 0x00000105, ACPI_DSDT, less_than_or_equal, "Incorrect _ADR", 1}, 68 {"IBM ", "TP600E ", 0x00000105, ACPI_DSDT, less_than_or_equal,
70 {"ASUS\0\0", "P2B-S ", 0, ACPI_DSDT, all_versions, "Bogus PCI routing", 1}, 69 "Incorrect _ADR", 1},
70 {"ASUS\0\0", "P2B-S ", 0, ACPI_DSDT, all_versions,
71 "Bogus PCI routing", 1},
71 72
72 {""} 73 {""}
73}; 74};
74 75
75
76#if CONFIG_ACPI_BLACKLIST_YEAR 76#if CONFIG_ACPI_BLACKLIST_YEAR
77 77
78static int __init 78static int __init blacklist_by_year(void)
79blacklist_by_year(void)
80{ 79{
81 int year; 80 int year;
82 char *s = dmi_get_system_info(DMI_BIOS_DATE); 81 char *s = dmi_get_system_info(DMI_BIOS_DATE);
@@ -92,36 +91,38 @@ blacklist_by_year(void)
92 91
93 s += 1; 92 s += 1;
94 93
95 year = simple_strtoul(s,NULL,0); 94 year = simple_strtoul(s, NULL, 0);
96 95
97 if (year < 100) { /* 2-digit year */ 96 if (year < 100) { /* 2-digit year */
98 year += 1900; 97 year += 1900;
99 if (year < 1996) /* no dates < spec 1.0 */ 98 if (year < 1996) /* no dates < spec 1.0 */
100 year += 100; 99 year += 100;
101 } 100 }
102 101
103 if (year < CONFIG_ACPI_BLACKLIST_YEAR) { 102 if (year < CONFIG_ACPI_BLACKLIST_YEAR) {
104 printk(KERN_ERR PREFIX "BIOS age (%d) fails cutoff (%d), " 103 printk(KERN_ERR PREFIX "BIOS age (%d) fails cutoff (%d), "
105 "acpi=force is required to enable ACPI\n", 104 "acpi=force is required to enable ACPI\n",
106 year, CONFIG_ACPI_BLACKLIST_YEAR); 105 year, CONFIG_ACPI_BLACKLIST_YEAR);
107 return 1; 106 return 1;
108 } 107 }
109 return 0; 108 return 0;
110} 109}
111#else 110#else
112static inline int blacklist_by_year(void) { return 0; } 111static inline int blacklist_by_year(void)
112{
113 return 0;
114}
113#endif 115#endif
114 116
115int __init 117int __init acpi_blacklisted(void)
116acpi_blacklisted(void)
117{ 118{
118 int i = 0; 119 int i = 0;
119 int blacklisted = 0; 120 int blacklisted = 0;
120 struct acpi_table_header *table_header; 121 struct acpi_table_header *table_header;
121 122
122 while (acpi_blacklist[i].oem_id[0] != '\0') 123 while (acpi_blacklist[i].oem_id[0] != '\0') {
123 { 124 if (acpi_get_table_header_early
124 if (acpi_get_table_header_early(acpi_blacklist[i].table, &table_header)) { 125 (acpi_blacklist[i].table, &table_header)) {
125 i++; 126 i++;
126 continue; 127 continue;
127 } 128 }
@@ -131,33 +132,43 @@ acpi_blacklisted(void)
131 continue; 132 continue;
132 } 133 }
133 134
134 if (strncmp(acpi_blacklist[i].oem_table_id, table_header->oem_table_id, 8)) { 135 if (strncmp
136 (acpi_blacklist[i].oem_table_id, table_header->oem_table_id,
137 8)) {
135 i++; 138 i++;
136 continue; 139 continue;
137 } 140 }
138 141
139 if ((acpi_blacklist[i].oem_revision_predicate == all_versions) 142 if ((acpi_blacklist[i].oem_revision_predicate == all_versions)
140 || (acpi_blacklist[i].oem_revision_predicate == less_than_or_equal 143 || (acpi_blacklist[i].oem_revision_predicate ==
141 && table_header->oem_revision <= acpi_blacklist[i].oem_revision) 144 less_than_or_equal
142 || (acpi_blacklist[i].oem_revision_predicate == greater_than_or_equal 145 && table_header->oem_revision <=
143 && table_header->oem_revision >= acpi_blacklist[i].oem_revision) 146 acpi_blacklist[i].oem_revision)
147 || (acpi_blacklist[i].oem_revision_predicate ==
148 greater_than_or_equal
149 && table_header->oem_revision >=
150 acpi_blacklist[i].oem_revision)
144 || (acpi_blacklist[i].oem_revision_predicate == equal 151 || (acpi_blacklist[i].oem_revision_predicate == equal
145 && table_header->oem_revision == acpi_blacklist[i].oem_revision)) { 152 && table_header->oem_revision ==
146 153 acpi_blacklist[i].oem_revision)) {
147 printk(KERN_ERR PREFIX "Vendor \"%6.6s\" System \"%8.8s\" " 154
148 "Revision 0x%x has a known ACPI BIOS problem.\n", 155 printk(KERN_ERR PREFIX
149 acpi_blacklist[i].oem_id, 156 "Vendor \"%6.6s\" System \"%8.8s\" "
150 acpi_blacklist[i].oem_table_id, 157 "Revision 0x%x has a known ACPI BIOS problem.\n",
151 acpi_blacklist[i].oem_revision); 158 acpi_blacklist[i].oem_id,
152 159 acpi_blacklist[i].oem_table_id,
153 printk(KERN_ERR PREFIX "Reason: %s. This is a %s error\n", 160 acpi_blacklist[i].oem_revision);
154 acpi_blacklist[i].reason, 161
155 (acpi_blacklist[i].is_critical_error ? "non-recoverable" : "recoverable")); 162 printk(KERN_ERR PREFIX
163 "Reason: %s. This is a %s error\n",
164 acpi_blacklist[i].reason,
165 (acpi_blacklist[i].
166 is_critical_error ? "non-recoverable" :
167 "recoverable"));
156 168
157 blacklisted = acpi_blacklist[i].is_critical_error; 169 blacklisted = acpi_blacklist[i].is_critical_error;
158 break; 170 break;
159 } 171 } else {
160 else {
161 i++; 172 i++;
162 } 173 }
163 } 174 }
@@ -166,4 +177,3 @@ acpi_blacklisted(void)
166 177
167 return blacklisted; 178 return blacklisted;
168} 179}
169
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-22 17:04:26 -0500