[PATCH v2 1/9] ACPICA: ACPI 6.0: Add changes for MADT table.

From: Hanjun Guo
Date: Fri Jun 19 2015 - 04:46:54 EST


From: Bob Moore <robert.moore@xxxxxxxxx>

ACPICA commit 02cbb41232bccf7a91967140cab95d5f48291f21

New subtable type. Some additions to existing subtables.

Link: https://github.com/acpica/acpica/commit/02cbb412
Signed-off-by: Bob Moore <robert.moore@xxxxxxxxx>
Signed-off-by: Lv Zheng <lv.zheng@xxxxxxxxx>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
---

This patch is already merged into APCICA core, sending
them out just for the help of better understanding later
GIC related code.

include/acpi/actbl1.h | 22 ++++++++++++++++++----
1 file changed, 18 insertions(+), 4 deletions(-)

diff --git a/include/acpi/actbl1.h b/include/acpi/actbl1.h
index b80b0e6..cadf21c 100644
--- a/include/acpi/actbl1.h
+++ b/include/acpi/actbl1.h
@@ -673,7 +673,8 @@ enum acpi_madt_type {
ACPI_MADT_TYPE_GENERIC_DISTRIBUTOR = 12,
ACPI_MADT_TYPE_GENERIC_MSI_FRAME = 13,
ACPI_MADT_TYPE_GENERIC_REDISTRIBUTOR = 14,
- ACPI_MADT_TYPE_RESERVED = 15 /* 15 and greater are reserved */
+ ACPI_MADT_TYPE_GENERIC_TRANSLATOR = 15,
+ ACPI_MADT_TYPE_RESERVED = 16 /* 16 and greater are reserved */
};

/*
@@ -794,7 +795,7 @@ struct acpi_madt_local_x2apic_nmi {
u8 reserved[3]; /* reserved - must be zero */
};

-/* 11: Generic Interrupt (ACPI 5.0) */
+/* 11: Generic Interrupt (ACPI 5.0 + ACPI 6.0 changes) */

struct acpi_madt_generic_interrupt {
struct acpi_subtable_header header;
@@ -811,6 +812,8 @@ struct acpi_madt_generic_interrupt {
u32 vgic_interrupt;
u64 gicr_base_address;
u64 arm_mpidr;
+ u8 efficiency_class;
+ u8 reserved2[3];
};

/* Masks for Flags field above */
@@ -819,7 +822,7 @@ 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 5.0 + ACPI 6.0 changes) */

struct acpi_madt_generic_distributor {
struct acpi_subtable_header header;
@@ -827,7 +830,8 @@ struct acpi_madt_generic_distributor {
u32 gic_id;
u64 base_address;
u32 global_irq_base;
- u32 reserved2; /* reserved - must be zero */
+ u8 version;
+ u8 reserved2[3]; /* reserved - must be zero */
};

/* 13: Generic MSI Frame (ACPI 5.1) */
@@ -855,6 +859,16 @@ struct acpi_madt_generic_redistributor {
u32 length;
};

+/* 15: Generic Translator (ACPI 6.0) */
+
+struct acpi_madt_generic_translator {
+ struct acpi_subtable_header header;
+ u16 reserved; /* reserved - must be zero */
+ u32 translation_id;
+ u64 base_address;
+ u32 reserved2;
+};
+
/*
* Common flags fields for MADT subtables
*/
--
1.9.1

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