diff options
| author | Bob Moore <robert.moore@intel.com> | 2009-03-19 09:37:47 +0800 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2009-03-27 12:11:03 -0400 |
| commit | 7f0719039085cc40114abce84cf29fe57da226f4 (patch) | |
| tree | 8e210cd936bfb11fdc122b44d79100660b8ffb6a /drivers/acpi/acpica/achware.h | |
| parent | 20869dcfde204e1c21b642608d708d82472fee2b (diff) | |
ACPICA: New: I/O port protection
Protect certain I/O ports from reads/writes. Provides MS
compatibility. New module, hwvalid.c
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/acpica/achware.h')
| -rw-r--r-- | drivers/acpi/acpica/achware.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/achware.h b/drivers/acpi/acpica/achware.h index 4fa6ee6b1f7..4afa3d8e0ef 100644 --- a/drivers/acpi/acpica/achware.h +++ b/drivers/acpi/acpica/achware.h @@ -73,6 +73,13 @@ acpi_status acpi_hw_register_write(u32 register_id, u32 value); acpi_status acpi_hw_clear_acpi_status(void); /* + * hwvalid - Port I/O with validation + */ +acpi_status acpi_hw_read_port(acpi_io_address address, u32 *value, u32 width); + +acpi_status acpi_hw_write_port(acpi_io_address address, u32 value, u32 width); + +/* * hwgpe - GPE support */ acpi_status acpi_hw_low_disable_gpe(struct acpi_gpe_event_info *gpe_event_info); |