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Commit 2a397a39 authored by Bob Moore's avatar Bob Moore Committed by Rafael J. Wysocki
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ACPICA: ACPI 6.1: Support for new PCCT subtable 

ACPICA commit de3ea7c322b9b6bdb09aa90c2e1d420cd4dce47c

Additional subspace structure was added.

Link: https://github.com/acpica/acpica/commit/de3ea7c3


Signed-off-by: default avatarBob Moore <robert.moore@intel.com>
Signed-off-by: default avatarLv Zheng <lv.zheng@intel.com>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent 7dbec553

include/acpi/actbl3.h

+22 −1
Original line number Diff line number Diff line
@@ -481,7 +481,8 @@ struct acpi_table_pcct { 
enum acpi_pcct_type {

	ACPI_PCCT_TYPE_GENERIC_SUBSPACE = 0,

	ACPI_PCCT_TYPE_HW_REDUCED_SUBSPACE = 1,

	ACPI_PCCT_TYPE_RESERVED = 2	/* 2 and greater are reserved */

	ACPI_PCCT_TYPE_HW_REDUCED_SUBSPACE_TYPE2 = 2,	/* ACPI 6.1 */

	ACPI_PCCT_TYPE_RESERVED = 3	/* 3 and greater are reserved */

};



/*
@@ -520,6 +521,26 @@ struct acpi_pcct_hw_reduced { 
	u16 min_turnaround_time;

};



/* 2: HW-reduced Communications Subspace Type 2 (ACPI 6.1) */



struct acpi_pcct_hw_reduced_type2 {

	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;

	struct acpi_generic_address doorbell_ack_register;

	u64 ack_preserve_mask;

	u64 ack_write_mask;

};



/* Values for doorbell flags above */



#define ACPI_PCCT_INTERRUPT_POLARITY    (1)