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ACPICA: Add structure definitions for RISC-V RHCT

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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: Sunil V L <sunilvl@ventanamicro.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:
Sunil V L 2023-04-05 15:40:57 +02:00 committed by Rafael J. Wysocki
parent f2ca92d083
commit 003567a3b7
1 changed files with 48 additions and 0 deletions
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48
include/acpi/actbl2.h
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@ -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