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authorJames Morse <james.morse@arm.com>2021-07-06 17:32:48 +0100
committerRussell King (Oracle) <rmk+kernel@armlinux.org.uk>2024-01-08 12:37:55 +0000
commit0c237a3855394ff8ffc9836845b94053520684a2 (patch)
tree3ff9d7cc100e93227f7f9dba07d7a62ad3731e4a
parent248990ffa2faa62d581179a6c918706ed9d76e61 (diff)
ACPICA: Add new MADT GICC flags fields
Add the new flag field to the MADT's GICC structure. 'Online Capable' indicates a disabled CPU can be enabled later. See ACPI specification 6.5 Tabel 5.37: GICC CPU Interface Flags. Signed-off-by: James Morse <james.morse@arm.com> Tested-by: Miguel Luis <miguel.luis@oracle.com> Tested-by: Vishnu Pajjuri <vishnu@os.amperecomputing.com> Tested-by: Jianyong Wu <jianyong.wu@arm.com> Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> --- This commit is going via the ACPICA project, and a pull request has been submitted: https://github.com/acpica/acpica/pull/914/commits/453a5f67567786522021d5f6913f561f8b3cabf6 Changes since RFC v2: * Add ACPI specification reference. Changes since RFC v3 (smaller series): * Update name of the new bit to reflect Lorenzo's pull request.
-rw-r--r--include/acpi/actbl2.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h
index 3751ae69432f..5d821869af61 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_ONLINE_CAPABLE (1<<3) /* 03: CPU is online capable */
/* 12: Generic Distributor (ACPI 5.0 + ACPI 6.0 changes) */