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ACPICA: Add support for region address conflict checking

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Allows drivers to determine if any memory or I/O addresses
will conflict with addresses used by ACPI operation regions.
Introduces a new interface, acpi_check_address_range.

http://marc.info/?t=132251388700002&r=1&w=2

Reported-and-tested-by: Luca Tettamanti <[email protected]>
Signed-off-by: Lin Ming <[email protected]>
Signed-off-by: Bob Moore <[email protected]>
Signed-off-by: Len Brown <[email protected]>
This commit is contained in:
Lin Ming 2012-01-12 13:10:32 +08:00 • committed by Len Brown
commit f654c0fefa
14 changed files with 408 additions and 222 deletions
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7
include/acpi/acpiosxf.h
View file

@ -238,13 +238,6 @@ acpi_os_write_pci_configuration(struct acpi_pci_id *pci_id,
/*
* Miscellaneous
*/
acpi_status
acpi_os_validate_address(u8 space_id, acpi_physical_address address,
acpi_size length, char *name);
acpi_status
acpi_os_invalidate_address(u8 space_id, acpi_physical_address address,
acpi_size length);
u64 acpi_os_get_timer(void);
acpi_status acpi_os_signal(u32 function, void *info);

5
include/acpi/acpixf.h
View file

@ -112,6 +112,11 @@ acpi_status acpi_install_interface(acpi_string interface_name);
acpi_status acpi_remove_interface(acpi_string interface_name);
u32
acpi_check_address_range(acpi_adr_space_type space_id,
acpi_physical_address address,
acpi_size length, u8 warn);
/*
* ACPI Memory management
*/