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authorErik Kaneda <erik.kaneda@intel.com>2021-04-06 14:30:12 -0700
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2021-04-07 19:09:00 +0200
commit71f79a3f0c752729b93ec5255476dce59bfae49a (patch)
treedce4a62deb3f29093445e59af270bcaac91193f8 /include/acpi
parent9557cb8c5d8fbe835ade2775c95eb933344f8a27 (diff)
ACPICA: ACPI 6.4: PCCT: add support for subtable type 5
ACPICA commit 208d7e27ebc473feb4182cc8e58f3789c4efaca6 Link: https://github.com/acpica/acpica/commit/208d7e27 Signed-off-by: Erik Kaneda <erik.kaneda@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'include/acpi')
-rw-r--r--include/acpi/actbl2.h21
1 files changed, 20 insertions, 1 deletions
diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h
index c91be6f04fa6..9c674e03eb05 100644
--- a/include/acpi/actbl2.h
+++ b/include/acpi/actbl2.h
@@ -1209,7 +1209,8 @@ enum acpi_pcct_type {
ACPI_PCCT_TYPE_HW_REDUCED_SUBSPACE_TYPE2 = 2, /* ACPI 6.1 */
ACPI_PCCT_TYPE_EXT_PCC_MASTER_SUBSPACE = 3, /* ACPI 6.2 */
ACPI_PCCT_TYPE_EXT_PCC_SLAVE_SUBSPACE = 4, /* ACPI 6.2 */
- ACPI_PCCT_TYPE_RESERVED = 5 /* 5 and greater are reserved */
+ ACPI_PCCT_TYPE_HW_REG_COMM_SUBSPACE = 5, /* ACPI 6.4 */
+ ACPI_PCCT_TYPE_RESERVED = 6 /* 6 and greater are reserved */
};
/*
@@ -1324,6 +1325,24 @@ struct acpi_pcct_ext_pcc_slave {
u64 error_status_mask;
};
+/* 5: HW Registers based Communications Subspace */
+
+struct acpi_pcct_hw_reg {
+ struct acpi_subtable_header header;
+ u16 version;
+ u64 base_address;
+ u64 length;
+ struct acpi_generic_address doorbell_register;
+ u64 doorbell_preserve;
+ u64 doorbell_write;
+ struct acpi_generic_address cmd_complete_register;
+ u64 cmd_complete_mask;
+ struct acpi_generic_address error_status_register;
+ u64 error_status_mask;
+ u32 nominal_latency;
+ u32 min_turnaround_time;
+};
+
/* Values for doorbell flags above */
#define ACPI_PCCT_INTERRUPT_POLARITY (1)