[PATCH v4 2/3] ACPICA: MADT: Add new MADT GICC/GICR/ITS non-coherent flags handling

Lorenzo Pieralisi
2023-12-27T11:00:52Z

ACPICA commit c5d2010744b1bf7efba0bd04a8a9c200ef8fb610

Add new flags and related fields to the MADT GICC/GICR/ITS
structures according to the code first ECR:

https://bugzilla.tianocore.org/show_bug.cgi?id=4557

Update the MADT template to the latest MADT revision.

Link: https://github.com/acpica/acpica/commit/c5d20107
Signed-off-by: Lorenzo Pieralisi <lpieralisi@kernel.org>
Cc: Robert Moore <robert.moore@intel.com>
Cc: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
---
include/acpi/actbl2.h | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h
index 2b4dd2c3348f..9775384d61c6 100644
--- a/include/acpi/actbl2.h
+++ b/include/acpi/actbl2.h
@@ -1047,6 +1047,7 @@ 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 */
#define ACPI_MADT_GICC_ONLINE_CAPABLE (1<<3) /* 03: Processor is online capable */
+#define ACPI_MADT_GICC_NON_COHERENT (1<<4) /* 04: GIC redistributor is not coherent */

/* 12: Generic Distributor (ACPI 5.0 + ACPI 6.0 changes) */

@@ -1091,21 +1092,27 @@ struct acpi_madt_generic_msi_frame {

struct acpi_madt_generic_redistributor {
struct acpi_subtable_header header;
- u16 reserved; /* reserved - must be zero */
+ u8 flags;
+ u8 reserved; /* reserved - must be zero */
u64 base_address;
u32 length;
};

+#define ACPI_MADT_GICR_NON_COHERENT (1)
+
/* 15: Generic Translator (ACPI 6.0) */

struct acpi_madt_generic_translator {
struct acpi_subtable_header header;
- u16 reserved; /* reserved - must be zero */
+ u8 flags;
+ u8 reserved; /* reserved - must be zero */
u32 translation_id;
u64 base_address;
u32 reserved2;
};

+#define ACPI_MADT_ITS_NON_COHERENT (1)
+
/* 16: Multiprocessor wakeup (ACPI 6.4) */

struct acpi_madt_multiproc_wakeup {
--
2.34.1