[PATCH v2 1/3] ACPICA: ACPI 6.4: MADT: add Multiprocessor Wakeup Mailbox Structure

From: Kuppuswamy Sathyanarayanan  <sathyanarayanan.kuppuswamy@linux.intel.com>
To: Rafael J Wysocki <rjw@rjwysocki.net>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, "H . Peter Anvin" <hpa@zytor.com>,
	Peter Zijlstra <peterz@infradead.org>
Cc: Len Brown <lenb@kernel.org>,
	Robert Moore <robert.moore@intel.com>,
	Erik Kaneda <erik.kaneda@intel.com>,
	linux-acpi@vger.kernel.org, devel@acpica.org,
	linux-kernel@vger.kernel.org, x86@kernel.org,
	Kuppuswamy Sathyanarayanan 
	<sathyanarayanan.kuppuswamy@linux.intel.com>
Subject: [PATCH v2 1/3] ACPICA: ACPI 6.4: MADT: add Multiprocessor Wakeup Mailbox Structure
Date: Thu, 22 Apr 2021 14:47:06 -0700	[thread overview]
Message-ID: <20210422214708.716164-2-sathyanarayanan.kuppuswamy@linux.intel.com> (raw)
In-Reply-To: <20210422214708.716164-1-sathyanarayanan.kuppuswamy@linux.intel.com>

ACPICA commit f1ee04207a212f6c519441e7e25397649ebc4cea

Add Multiprocessor Wakeup Mailbox Structure definition. It is useful
in parsing MADT Wake table.

Link: https://github.com/acpica/acpica/commit/f1ee0420
Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
---
 include/acpi/actbl2.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h
index b2362600b9ff..7dce422f6119 100644
--- a/include/acpi/actbl2.h
+++ b/include/acpi/actbl2.h
@@ -733,6 +733,20 @@ struct acpi_madt_multiproc_wakeup {
 	u64 base_address;
 };
 
+#define ACPI_MULTIPROC_WAKEUP_MB_OS_SIZE	2032
+#define ACPI_MULTIPROC_WAKEUP_MB_FIRMWARE_SIZE	2048
+
+struct acpi_madt_multiproc_wakeup_mailbox {
+	u16 command;
+	u16 reserved;		/* reserved - must be zero */
+	u32 apic_id;
+	u64 wakeup_vector;
+	u8 reserved_os[ACPI_MULTIPROC_WAKEUP_MB_OS_SIZE];	/* reserved for OS use */
+	u8 reserved_firmware[ACPI_MULTIPROC_WAKEUP_MB_FIRMWARE_SIZE];	/* reserved for firmware use */
+};
+
+#define ACPI_MP_WAKE_COMMAND_WAKEUP    1
+
 /*
  * Common flags fields for MADT subtables
  */
-- 
2.25.1

