ACPICA: MADT: Add RISC-V INTC interrupt controller
authorSunil V L <sunilvl@ventanamicro.com>
Wed, 5 Apr 2023 13:40:12 +0000 (15:40 +0200)
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>
Thu, 6 Apr 2023 18:29:11 +0000 (20:29 +0200)
ACPICA commit bd6d1ae1e13abe78e149c8b61b4bc7bc7feab015

The ECR to add RISC-V INTC interrupt controller is approved by
the UEFI forum and will be available in the next revision of
the ACPI specification.

Link: https://github.com/acpica/acpica/commit/bd6d1ae1
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>
include/acpi/actbl2.h

index e0f205f..9af17cb 100644 (file)
@@ -891,7 +891,8 @@ enum acpi_madt_type {
        ACPI_MADT_TYPE_MSI_PIC = 21,
        ACPI_MADT_TYPE_BIO_PIC = 22,
        ACPI_MADT_TYPE_LPC_PIC = 23,
-       ACPI_MADT_TYPE_RESERVED = 24,   /* 24 to 0x7F are reserved */
+       ACPI_MADT_TYPE_RINTC = 24,
+       ACPI_MADT_TYPE_RESERVED = 25,   /* 25 to 0x7F are reserved */
        ACPI_MADT_TYPE_OEM_RESERVED = 0x80      /* 0x80 to 0xFF are reserved for OEM use */
 };
 
@@ -1251,6 +1252,24 @@ enum acpi_madt_lpc_pic_version {
        ACPI_MADT_LPC_PIC_VERSION_RESERVED = 2  /* 2 and greater are reserved */
 };
 
+/* 24: RISC-V INTC */
+struct acpi_madt_rintc {
+       struct acpi_subtable_header header;
+       u8 version;
+       u8 reserved;
+       u32 flags;
+       u64 hart_id;
+       u32 uid;                /* ACPI processor UID */
+};
+
+/* Values for RISC-V INTC Version field above */
+
+enum acpi_madt_rintc_version {
+       ACPI_MADT_RINTC_VERSION_NONE = 0,
+       ACPI_MADT_RINTC_VERSION_V1 = 1,
+       ACPI_MADT_RINTC_VERSION_RESERVED = 2    /* 2 and greater are reserved */
+};
+
 /* 80: OEM data */
 
 struct acpi_madt_oem_data {