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Pull osi-now into release branch

This commit is contained in:
Len Brown 2007-06-02 01:02:09 -04:00
parent fcf75356e9 dd272b5716
commit c4d36a822e
6 changed files with 142 additions and 18 deletions
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5
Documentation/kernel-parameters.txt
View File

@ -170,7 +170,10 @@ and is between 256 and 4096 characters. It is defined in the file
acpi_os_name= [HW,ACPI] Tell ACPI BIOS the name of the OS
Format: To spoof as Windows 98: ="Microsoft Windows"
acpi_osi= [HW,ACPI] empty param disables _OSI
acpi_osi= [HW,ACPI] Modify list of supported OS interface strings
acpi_osi="string1" # add string1 -- only one string
acpi_osi="!string2" # remove built-in string2
acpi_osi= # disable all strings
acpi_serialize [HW,ACPI] force serialization of AML methods

118
drivers/acpi/osl.c
View File

@ -33,6 +33,7 @@
#include <linux/interrupt.h>
#include <linux/kmod.h>
#include <linux/delay.h>
#include <linux/dmi.h>
#include <linux/workqueue.h>
#include <linux/nmi.h>
#include <linux/acpi.h>
@ -73,6 +74,21 @@ static void *acpi_irq_context;
static struct workqueue_struct *kacpid_wq;
static struct workqueue_struct *kacpi_notify_wq;
#define OSI_STRING_LENGTH_MAX 64 /* arbitrary */
static char osi_additional_string[OSI_STRING_LENGTH_MAX];
#define OSI_LINUX_ENABLED
#ifdef OSI_LINUX_ENABLED
int osi_linux = 1; /* enable _OSI(Linux) by default */
#else
int osi_linux; /* disable _OSI(Linux) by default */
#endif
#ifdef CONFIG_DMI
static struct __initdata dmi_system_id acpi_osl_dmi_table[];
#endif
static void __init acpi_request_region (struct acpi_generic_address *addr,
unsigned int length, char *desc)
{
@ -121,8 +137,9 @@ static int __init acpi_reserve_resources(void)
}
device_initcall(acpi_reserve_resources);
acpi_status acpi_os_initialize(void)
acpi_status __init acpi_os_initialize(void)
{
dmi_check_system(acpi_osl_dmi_table);
return AE_OK;
}
@ -960,20 +977,38 @@ static int __init acpi_os_name_setup(char *str)
__setup("acpi_os_name=", acpi_os_name_setup);
static void enable_osi_linux(int enable) {
if (osi_linux != enable)
printk(KERN_INFO PREFIX "%sabled _OSI(Linux)\n",
enable ? "En": "Dis");
osi_linux = enable;
return;
}
/*
* _OSI control
* Modify the list of "OS Interfaces" reported to BIOS via _OSI
*
* empty string disables _OSI
* TBD additional string adds to _OSI
* string starting with '!' disables that string
* otherwise string is added to list, augmenting built-in strings
*/
static int __init acpi_osi_setup(char *str)
{
if (str == NULL || *str == '\0') {
printk(KERN_INFO PREFIX "_OSI method disabled\n");
acpi_gbl_create_osi_method = FALSE;
} else {
/* TBD */
printk(KERN_ERR PREFIX "_OSI additional string ignored -- %s\n",
str);
} else if (*str == '!') {
if (acpi_osi_invalidate(++str) == AE_OK)
printk(KERN_INFO PREFIX "Deleted _OSI(%s)\n", str);
} else if (!strcmp("!Linux", str)) {
enable_osi_linux(0);
} else if (!strcmp("Linux", str)) {
enable_osi_linux(1);
} else if (*osi_additional_string == '\0') {
strncpy(osi_additional_string, str, OSI_STRING_LENGTH_MAX);
printk(KERN_INFO PREFIX "Added _OSI(%s)\n", str);
}
return 1;
@ -1143,11 +1178,28 @@ acpi_status acpi_os_release_object(acpi_cache_t * cache, void *object)
acpi_status
acpi_os_validate_interface (char *interface)
{
return AE_SUPPORT;
if (!strncmp(osi_additional_string, interface, OSI_STRING_LENGTH_MAX))
return AE_OK;
if (!strcmp("Linux", interface)) {
printk(KERN_WARNING PREFIX
"System BIOS is requesting _OSI(Linux)\n");
#ifdef OSI_LINUX_ENABLED
printk(KERN_WARNING PREFIX
"Please test with \"acpi_osi=!Linux\"\n"
"Please send dmidecode "
"to linux-acpi@vger.kernel.org\n");
#else
printk(KERN_WARNING PREFIX
"If \"acpi_osi=Linux\" works better,\n"
"Please send dmidecode "
"to linux-acpi@vger.kernel.org\n");
#endif
if(osi_linux)
return AE_OK;
}
return AE_SUPPORT;
}
/******************************************************************************
*
* FUNCTION: acpi_os_validate_address
@ -1174,5 +1226,51 @@ acpi_os_validate_address (
return AE_OK;
}
#ifdef CONFIG_DMI
#ifdef OSI_LINUX_ENABLED
static int dmi_osi_not_linux(struct dmi_system_id *d)
{
printk(KERN_NOTICE "%s detected: requires not _OSI(Linux)\n", d->ident);
enable_osi_linux(0);
return 0;
}
#else
static int dmi_osi_linux(struct dmi_system_id *d)
{
printk(KERN_NOTICE "%s detected: requires _OSI(Linux)\n", d->ident);
enable_osi_linux(1);
return 0;
}
#endif
static struct dmi_system_id acpi_osl_dmi_table[] __initdata = {
#ifdef OSI_LINUX_ENABLED
/*
* Boxes that need NOT _OSI(Linux)
*/
{
.callback = dmi_osi_not_linux,
.ident = "Toshiba Satellite P100",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "TOSHIBA"),
DMI_MATCH(DMI_BOARD_NAME, "Satellite P100"),
},
},
#else
/*
* Boxes that need _OSI(Linux)
*/
{
.callback = dmi_osi_linux,
.ident = "Intel Napa CRB",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
DMI_MATCH(DMI_BOARD_NAME, "MPAD-MSAE Customer Reference Boards"),
},
},
#endif
{}
};
#endif /* CONFIG_DMI */
#endif

28
drivers/acpi/utilities/uteval.c
View File

@ -59,10 +59,9 @@ acpi_ut_translate_one_cid(union acpi_operand_object *obj_desc,
/*
* Strings supported by the _OSI predefined (internal) method.
*/
static const char *acpi_interfaces_supported[] = {
static char *acpi_interfaces_supported[] = {
/* Operating System Vendor Strings */
"Linux",
"Windows 2000",
"Windows 2001",
"Windows 2001 SP0",
@ -156,6 +155,31 @@ acpi_status acpi_ut_osi_implementation(struct acpi_walk_state *walk_state)
return_ACPI_STATUS(AE_CTRL_TERMINATE);
}
/*******************************************************************************
*
* FUNCTION: acpi_osi_invalidate
*
* PARAMETERS: interface_string
*
* RETURN: Status
*
* DESCRIPTION: invalidate string in pre-defiend _OSI string list
*
******************************************************************************/
acpi_status acpi_osi_invalidate(char *interface)
{
int i;
for (i = 0; i < ACPI_ARRAY_LENGTH(acpi_interfaces_supported); i++) {
if (!ACPI_STRCMP(interface, acpi_interfaces_supported[i])) {
*acpi_interfaces_supported[i] = '\0';
return AE_OK;
}
}
return AE_NOT_FOUND;
}
/*******************************************************************************
*
* FUNCTION: acpi_ut_evaluate_object

4
drivers/acpi/utilities/utxface.c
View File

@ -61,7 +61,7 @@ ACPI_MODULE_NAME("utxface")
* called, so any early initialization belongs here.
*
******************************************************************************/
acpi_status acpi_initialize_subsystem(void)
acpi_status __init acpi_initialize_subsystem(void)
{
acpi_status status;
@ -108,8 +108,6 @@ acpi_status acpi_initialize_subsystem(void)
return_ACPI_STATUS(status);
}
ACPI_EXPORT_SYMBOL(acpi_initialize_subsystem)
/*******************************************************************************
*
* FUNCTION: acpi_enable_subsystem

3
include/acpi/acpiosxf.h
View File

@ -78,7 +78,7 @@ struct acpi_signal_fatal_info {
/*
* OSL Initialization and shutdown primitives
*/
acpi_status acpi_os_initialize(void);
acpi_status __initdata acpi_os_initialize(void);
acpi_status acpi_os_terminate(void);
@ -236,6 +236,7 @@ acpi_os_derive_pci_id(acpi_handle rhandle,
* Miscellaneous
*/
acpi_status acpi_os_validate_interface(char *interface);
acpi_status acpi_osi_invalidate(char* interface);
acpi_status
acpi_os_validate_address(u8 space_id,

2
include/acpi/acpixf.h
View File

@ -55,7 +55,7 @@ acpi_status
acpi_initialize_tables(struct acpi_table_desc *initial_storage,
u32 initial_table_count, u8 allow_resize);
acpi_status acpi_initialize_subsystem(void);
acpi_status __init acpi_initialize_subsystem(void);
acpi_status acpi_enable_subsystem(u32 flags);