[RFC PATCH v2 27/35] ACPICA: Add new MADT GICC flags fields [code first?]
James Morse
james.morse at arm.com
Wed Sep 13 09:38:15 PDT 2023
Add the new flag field to the MADT's GICC structure.
'Online Capable' indicates a disabled CPU can be enabled later.
Signed-off-by: James Morse <james.morse at arm.com>
---
This patch probably needs to go via the upstream acpica project,
but is included here so the feature can be testd.
---
include/acpi/actbl2.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h
index 3751ae69432f..c433a079d8e1 100644
--- a/include/acpi/actbl2.h
+++ b/include/acpi/actbl2.h
@@ -1046,6 +1046,7 @@ struct acpi_madt_generic_interrupt {
/* ACPI_MADT_ENABLED (1) Processor is usable if set */
#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 */
+#define ACPI_MADT_GICC_CPU_CAPABLE (1<<3) /* 03: CPU is online capable */
/* 12: Generic Distributor (ACPI 5.0 + ACPI 6.0 changes) */
--
2.39.2
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