diff options
| author | Bob Moore <robert.moore@intel.com> | 2014-07-30 06:22:05 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2014-07-31 00:50:24 +0200 |
| commit | 67a3d6203cdc389cc602af80d0beba819b2f2631 (patch) | |
| tree | 371e7ae4a62bce574b56a2a6a73e39b1d1ca7976 /include/acpi | |
| parent | ACPICA/ARM: ACPI 5.1: Update for GTDT table changes. (diff) | |
| download | linux-67a3d6203cdc389cc602af80d0beba819b2f2631.tar.xz linux-67a3d6203cdc389cc602af80d0beba819b2f2631.zip | |
ACPICA: ACPI 5.1: Update for PCCT table changes.
One new subtable.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'include/acpi')
| -rw-r--r-- | include/acpi/actbl3.h | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/include/acpi/actbl3.h b/include/acpi/actbl3.h index 41ad9648ca52..787bcc814463 100644 --- a/include/acpi/actbl3.h +++ b/include/acpi/actbl3.h @@ -448,7 +448,8 @@ struct acpi_table_pcct { enum acpi_pcct_type { ACPI_PCCT_TYPE_GENERIC_SUBSPACE = 0, - ACPI_PCCT_TYPE_RESERVED = 1 /* 1 and greater are reserved */ + ACPI_PCCT_TYPE_HW_REDUCED_SUBSPACE = 1, + ACPI_PCCT_TYPE_RESERVED = 2 /* 2 and greater are reserved */ }; /* @@ -470,6 +471,28 @@ struct acpi_pcct_subspace { u16 min_turnaround_time; }; +/* 1: HW-reduced Communications Subspace (ACPI 5.1) */ + +struct acpi_pcct_hw_reduced { + struct acpi_subtable_header header; + u32 doorbell_interrupt; + u8 flags; + u8 reserved; + u64 base_address; + u64 length; + struct acpi_generic_address doorbell_register; + u64 preserve_mask; + u64 write_mask; + u32 latency; + u32 max_access_rate; + u16 min_turnaround_time; +}; + +/* Values for doorbell flags above */ + +#define ACPI_PCCT_INTERRUPT_POLARITY (1) +#define ACPI_PCCT_INTERRUPT_MODE (1<<1) + /* * PCC memory structures (not part of the ACPI table) */ |