[RFC PATCH 1/9] ACPICA: Introduce GIC version for arm based system
From: Hanjun Guo <hidden>
Date: 2015-05-05 13:52:11
Also in:
linux-acpi, lkml
Subsystem:
acpi, acpi component architecture (acpica), the rest · Maintainers:
"Rafael J. Wysocki", Saket Dumbre, Linus Torvalds
From: Tomasz Nowicki <redacted> A new field is added in GIC distributor to indication the GIC version, support it in ACPICA for later use Signed-off-by: Tomasz Nowicki <redacted> Signed-off-by: Hanjun Guo <redacted> --- include/acpi/actbl1.h | 17 +++++++++++++++-- 1 file changed, 15 insertions(+), 2 deletions(-)
diff --git a/include/acpi/actbl1.h b/include/acpi/actbl1.h
index b80b0e6..b4f0f74 100644
--- a/include/acpi/actbl1.h
+++ b/include/acpi/actbl1.h@@ -819,7 +819,7 @@ struct acpi_madt_generic_interrupt { #define ACPI_MADT_PERFORMANCE_IRQ_MODE (1<<1) /* 01: Performance Interrupt Mode */ #define ACPI_MADT_VGIC_IRQ_MODE (1<<2) /* 02: VGIC Maintenance Interrupt mode */ -/* 12: Generic Distributor (ACPI 5.0) */ +/* 12: Generic Distributor (ACPI 6.0) */ struct acpi_madt_generic_distributor { struct acpi_subtable_header header;
@@ -827,7 +827,20 @@ struct acpi_madt_generic_distributor { u32 gic_id; u64 base_address; u32 global_irq_base; - u32 reserved2; /* reserved - must be zero */ + u8 gic_version; + u8 reserved2[3]; /* reserved - must be zero */ +}; + +/* Values for gic_version in Generic Distributor (ACPI 6.0) */ + +enum acpi_madt_gic_ver_type +{ + ACPI_MADT_GIC_VER_UNKNOWN = 0, + ACPI_MADT_GIC_VER_V1 = 1, + ACPI_MADT_GIC_VER_V2 = 2, + ACPI_MADT_GIC_VER_V3 = 3, + ACPI_MADT_GIC_VER_V4 = 4, + ACPI_MADT_GIC_VER_RESERVED = 5 /* 5 and greater are reserved */ }; /* 13: Generic MSI Frame (ACPI 5.1) */
--
1.9.1