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Date: Thu, 21 May 2015 10:31:58 +0800
From: Lv Zheng <lv.zheng@...el.com>
To: "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
Len Brown <len.brown@...el.com>
Cc: Lv Zheng <lv.zheng@...el.com>, Lv Zheng <zetalog@...il.com>,
<linux-kernel@...r.kernel.org>, linux-acpi@...r.kernel.org,
Bob Moore <robert.moore@...el.com>
Subject: [PATCH 18/19] ACPICA: ACPI 6.0: Add support for NFIT table.
From: Bob Moore <robert.moore@...el.com>
ACPICA commit e4e17ca361373e9b81494bb4ca697a12cef3cba6
NVDIMM Firmware Interface Table.
Link: https://github.com/acpica/acpica/commit/e4e17ca3
Signed-off-by: Bob Moore <robert.moore@...el.com>
Signed-off-by: Lv Zheng <lv.zheng@...el.com>
---
drivers/acpi/acpica/uthex.c | 4 +-
include/acpi/actbl1.h | 154 +++++++++++++++++++++++++++++++++++++++++++
include/acpi/acuuid.h | 64 ++++++++++++++++++
3 files changed, 220 insertions(+), 2 deletions(-)
create mode 100644 include/acpi/acuuid.h
diff --git a/drivers/acpi/acpica/uthex.c b/drivers/acpi/acpica/uthex.c
index aa44827..fda8b3d 100644
--- a/drivers/acpi/acpica/uthex.c
+++ b/drivers/acpi/acpica/uthex.c
@@ -75,9 +75,9 @@ char acpi_ut_hex_to_ascii_char(u64 integer, u32 position)
/*******************************************************************************
*
- * FUNCTION: acpi_ut_hex_char_to_value
+ * FUNCTION: acpi_ut_ascii_char_to_hex
*
- * PARAMETERS: ascii_char - Hex character in Ascii
+ * PARAMETERS: hex_char - Hex character in Ascii
*
* RETURN: The binary value of the ascii/hex character
*
diff --git a/include/acpi/actbl1.h b/include/acpi/actbl1.h
index cadf21c..06b61f0 100644
--- a/include/acpi/actbl1.h
+++ b/include/acpi/actbl1.h
@@ -71,6 +71,7 @@
#define ACPI_SIG_SBST "SBST" /* Smart Battery Specification Table */
#define ACPI_SIG_SLIT "SLIT" /* System Locality Distance Information Table */
#define ACPI_SIG_SRAT "SRAT" /* System Resource Affinity Table */
+#define ACPI_SIG_NFIT "NFIT" /* NVDIMM Firmware Interface Table */
/*
* All tables must be byte-packed to match the ACPI specification, since
@@ -922,6 +923,159 @@ struct acpi_msct_proximity {
/*******************************************************************************
*
+ * NFIT - NVDIMM Interface Table (ACPI 6.0)
+ * Version 1
+ *
+ ******************************************************************************/
+
+struct acpi_table_nfit {
+ struct acpi_table_header header; /* Common ACPI table header */
+ u32 reserved; /* Reserved, must be zero */
+};
+
+/* Subtable header for NFIT */
+
+struct acpi_nfit_header {
+ u16 type;
+ u16 length;
+};
+
+/* Values for subtable type in struct acpi_nfit_header */
+
+enum acpi_nfit_type {
+ ACPI_NFIT_TYPE_SYSTEM_ADDRESS = 0,
+ ACPI_NFIT_TYPE_MEMORY_MAP = 1,
+ ACPI_NFIT_TYPE_INTERLEAVE = 2,
+ ACPI_NFIT_TYPE_SMBIOS = 3,
+ ACPI_NFIT_TYPE_CONTROL_REGION = 4,
+ ACPI_NFIT_TYPE_DATA_REGION = 5,
+ ACPI_NFIT_TYPE_FLUSH_ADDRESS = 6,
+ ACPI_NFIT_TYPE_RESERVED = 7 /* 7 and greater are reserved */
+};
+
+/*
+ * NFIT Subtables
+ */
+
+/* 0: System Physical Address Range Structure */
+
+struct acpi_nfit_system_address {
+ struct acpi_nfit_header header;
+ u16 range_index;
+ u16 flags;
+ u32 reserved; /* Reseved, must be zero */
+ u32 proximity_domain;
+ u8 range_guid[16];
+ u64 address;
+ u64 length;
+ u64 memory_mapping;
+};
+
+/* Flags */
+
+#define ACPI_NFIT_ADD_ONLINE_ONLY (1) /* 00: Add/Online Operation Only */
+#define ACPI_NFIT_PROXIMITY_VALID (1<<1) /* 01: Proximity Domain Valid */
+
+/* Range Type GUIDs appear in the include/acuuid.h file */
+
+/* 1: Memory Device to System Address Range Map Structure */
+
+struct acpi_nfit_memory_map {
+ struct acpi_nfit_header header;
+ u32 device_handle;
+ u16 physical_id;
+ u16 region_id;
+ u16 range_index;
+ u16 region_index;
+ u64 region_size;
+ u64 region_offset;
+ u64 address;
+ u16 interleave_index;
+ u16 interleave_ways;
+ u16 flags;
+ u16 reserved; /* Reserved, must be zero */
+};
+
+/* Flags */
+
+#define ACPI_NFIT_MEM_SAVE_FAILED (1) /* 00: Last SAVE to Memory Device failed */
+#define ACPI_NFIT_MEM_RESTORE_FAILED (1<<1) /* 01: Last RESTORE from Memory Device failed */
+#define ACPI_NFIT_MEM_FLUSH_FAILED (1<<2) /* 02: Platform flush failed */
+#define ACPI_NFIT_MEM_ARMED (1<<3) /* 03: Memory Device observed to be not armed */
+#define ACPI_NFIT_MEM_HEALTH_OBSERVED (1<<4) /* 04: Memory Device observed SMART/health events */
+#define ACPI_NFIT_MEM_HEALTH_ENABLED (1<<5) /* 05: SMART/health events enabled */
+
+/* 2: Interleave Structure */
+
+struct acpi_nfit_interleave {
+ struct acpi_nfit_header header;
+ u16 interleave_index;
+ u16 reserved; /* Reserved, must be zero */
+ u32 line_count;
+ u32 line_size;
+ u32 line_offset[1]; /* Variable length */
+};
+
+/* 3: SMBIOS Management Information Structure */
+
+struct acpi_nfit_smbios {
+ struct acpi_nfit_header header;
+ u32 reserved; /* Reserved, must be zero */
+ u8 data[1]; /* Variable length */
+};
+
+/* 4: NVDIMM Control Region Structure */
+
+struct acpi_nfit_control_region {
+ struct acpi_nfit_header header;
+ u16 region_index;
+ u16 vendor_id;
+ u16 device_id;
+ u16 revision_id;
+ u16 subsystem_vendor_id;
+ u16 subsystem_device_id;
+ u16 subsystem_revision_id;
+ u8 reserved[6]; /* Reserved, must be zero */
+ u32 serial_number;
+ u16 code;
+ u16 windows;
+ u64 window_size;
+ u64 command_offset;
+ u64 command_size;
+ u64 status_offset;
+ u64 status_size;
+ u16 flags;
+ u8 reserved1[6]; /* Reserved, must be zero */
+};
+
+/* Flags */
+
+#define ACPI_NFIT_CONTROL_BUFFERED (1) /* Block Data Windows implementation is buffered */
+
+/* 5: NVDIMM Block Data Window Region Structure */
+
+struct acpi_nfit_data_region {
+ struct acpi_nfit_header header;
+ u16 region_index;
+ u16 windows;
+ u64 offset;
+ u64 size;
+ u64 capacity;
+ u64 start_address;
+};
+
+/* 6: Flush Hint Address Structure */
+
+struct acpi_nfit_flush_address {
+ struct acpi_nfit_header header;
+ u32 device_handle;
+ u16 hint_count;
+ u8 reserved[6]; /* Reserved, must be zero */
+ u64 hint_address[1]; /* Variable length */
+};
+
+/*******************************************************************************
+ *
* SBST - Smart Battery Specification Table
* Version 1
*
diff --git a/include/acpi/acuuid.h b/include/acpi/acuuid.h
new file mode 100644
index 0000000..4955d5e
--- /dev/null
+++ b/include/acpi/acuuid.h
@@ -0,0 +1,64 @@
+/******************************************************************************
+ *
+ * Name: acuuid.h - ACPI-related UUID/GUID definitions
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2015, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef __ACUUID_H__
+#define __ACUUID_H__
+
+/*
+ * Note1: UUIDs and GUIDs are defined to be identical in ACPI.
+ *
+ * Note2: This file is standalone and should remain that way.
+ */
+
+/* NFIT/NVDIMM */
+
+#define UUID_VOLATILE_MEMORY "4F940573-DAFD-E344-B16C-3F22D252E5D0"
+#define UUID_PERSISTENT_MEMORY "79D3F066-F3B4-7440-AC43-0D3318B78CDB"
+#define UUID_CONTROL_REGION "F601F792-B413-5D40-910B-299367E8234C"
+#define UUID_DATA_REGION "3005AF91-865D-0E47-A6B0-0A2DB9408249"
+#define UUID_VOLATILE_VIRTUAL_DISK "5A53AB77-FC45-4B62-5560-F7B281D1F96E"
+#define UUID_VOLATILE_VIRTUAL_CD "30BD5A3D-7541-CE87-6D64-D2ADE523C4BB"
+#define UUID_PERSISTENT_VIRTUAL_DISK "C902EA5C-074D-69D3-269F-4496FBE096F9"
+#define UUID_PERSISTENT_VIRTUAL_CD "88810108-CD42-48BB-100F-5387D53DED3D"
+
+#endif /* __AUUID_H__ */
--
1.7.10
--
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