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>

diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h
index c91be6f..9c674e0 100644 (file)
--- 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)