Commit 003567a3 authored by Sunil V L's avatar Sunil V L Committed by Rafael J. Wysocki
Browse files

ACPICA: Add structure definitions for RISC-V RHCT 

ACPICA commit 82afd0434e79f74b96a6be88115ddc8343a1ba40

RISC-V Hart Capabilities Table (RHCT) is a new static table.
The ECR to add RHCT is approved by the UEFI forum and will be
available in the next version of the ACPI spec.

Link: https://github.com/acpica/acpica/commit/82afd043


Signed-off-by: default avatarSunil V L <sunilvl@ventanamicro.com>
Signed-off-by: default avatarBob Moore <robert.moore@intel.com>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent f2ca92d0

include/acpi/actbl2.h

+48 −0
Original line number Diff line number Diff line
@@ -48,6 +48,7 @@ 
#define ACPI_SIG_PRMT           "PRMT"	/* Platform Runtime Mechanism Table */

#define ACPI_SIG_RASF           "RASF"	/* RAS Feature table */

#define ACPI_SIG_RGRT           "RGRT"	/* Regulatory Graphics Resource Table */

#define ACPI_SIG_RHCT           "RHCT"	/* RISC-V Hart Capabilities Table */

#define ACPI_SIG_SBST           "SBST"	/* Smart Battery Specification Table */

#define ACPI_SIG_SDEI           "SDEI"	/* Software Delegated Exception Interface Table */

#define ACPI_SIG_SDEV           "SDEV"	/* Secure Devices table */
@@ -2720,6 +2721,53 @@ enum acpi_rgrt_image_type { 
	ACPI_RGRT_TYPE_RESERVED = 2	/* 2 and greater are reserved */

};



/*******************************************************************************

 *

 * RHCT - RISC-V Hart Capabilities Table

 *        Version 1

 *

 ******************************************************************************/



struct acpi_table_rhct {

	struct acpi_table_header header;	/* Common ACPI table header */

	u32 reserved;

	u64 time_base_freq;

	u32 node_count;

	u32 node_offset;

};



/*

 * RHCT subtables

 */

struct acpi_rhct_node_header {

	u16 type;

	u16 length;

	u16 revision;

};



/* Values for RHCT subtable Type above */



enum acpi_rhct_node_type {

	ACPI_RHCT_NODE_TYPE_ISA_STRING = 0x0000,

	ACPI_RHCT_NODE_TYPE_HART_INFO = 0xFFFF,

};



/*

 * RHCT node specific subtables

 */



/* ISA string node structure */

struct acpi_rhct_isa_string {

	u16 isa_length;

	char isa[];

};



/* Hart Info node structure */

struct acpi_rhct_hart_info {

	u16 num_offsets;

	u32 uid;		/* ACPI processor UID */

};



/*******************************************************************************

 *

 * SBST - Smart Battery Specification Table