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| author | Toshi Kani <toshi.kani@hpe.com> | 2017-08-23 16:54:43 -0600 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2017-08-29 01:42:48 +0200 |
| commit | 5aa5911a0ed9355ebb02f83de4be9ba435a45a2c (patch) | |
| tree | df42ef212db1c6944058a5114800a7b2706a27e9 /include | |
| parent | cc4a41fe5541a73019a864883297bd5043aa6d98 (diff) | |
| download | linux-5aa5911a0ed9355ebb02f83de4be9ba435a45a2c.tar.bz2 | |
ACPI / blacklist: add acpi_match_platform_list()
ACPI OEM ID / OEM Table ID / Revision can be used to identify
a platform based on ACPI firmware info. acpi_blacklisted(),
intel_pstate_platform_pwr_mgmt_exists(), and some other funcs,
have been using similar check to detect a list of platforms
that require special handlings.
Move the platform check in acpi_blacklisted() to a new common
utility function, acpi_match_platform_list(), so that other
drivers do not have to implement their own version.
There is no change in functionality.
Signed-off-by: Toshi Kani <toshi.kani@hpe.com>
Reviewed-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/acpi.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 27b4b6615263..1c8a97d8b09b 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -556,6 +556,25 @@ extern acpi_status acpi_pci_osc_control_set(acpi_handle handle, #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82 +enum acpi_predicate { + all_versions, + less_than_or_equal, + equal, + greater_than_or_equal, +}; + +/* Table must be terminted by a NULL entry */ +struct acpi_platform_list { + char oem_id[ACPI_OEM_ID_SIZE+1]; + char oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1]; + u32 oem_revision; + char *table; + enum acpi_predicate pred; + char *reason; + u32 data; +}; +int acpi_match_platform_list(const struct acpi_platform_list *plat); + extern void acpi_early_init(void); extern void acpi_subsystem_init(void); |