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ACPICA: ACPI 6.4: PCCT: add support for subtable type 5

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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>
This commit is contained in:
Erik Kaneda 2021-04-06 14:30:12 -07:00 committed by Rafael J. Wysocki
parent 9557cb8c5d
commit 71f79a3f0c
1 changed files with 20 additions and 1 deletions
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21
include/acpi/actbl2.h
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@ -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)