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@@ -71,6 +71,7 @@
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#define ACPI_SIG_SBST "SBST" /* Smart Battery Specification Table */
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#define ACPI_SIG_SLIT "SLIT" /* System Locality Distance Information Table */
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#define ACPI_SIG_SRAT "SRAT" /* System Resource Affinity Table */
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+#define ACPI_SIG_NFIT "NFIT" /* NVDIMM Firmware Interface Table */
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/*
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* All tables must be byte-packed to match the ACPI specification, since
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@@ -920,6 +921,159 @@ struct acpi_msct_proximity {
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u64 memory_capacity; /* In bytes */
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};
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+/*******************************************************************************
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+ *
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+ * NFIT - NVDIMM Interface Table (ACPI 6.0)
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+ * Version 1
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+ *
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+ ******************************************************************************/
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+
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+struct acpi_table_nfit {
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+ struct acpi_table_header header; /* Common ACPI table header */
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+ u32 reserved; /* Reserved, must be zero */
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+};
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+
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+/* Subtable header for NFIT */
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+
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+struct acpi_nfit_header {
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+ u16 type;
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+ u16 length;
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+};
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+
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+/* Values for subtable type in struct acpi_nfit_header */
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+
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+enum acpi_nfit_type {
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+ ACPI_NFIT_TYPE_SYSTEM_ADDRESS = 0,
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+ ACPI_NFIT_TYPE_MEMORY_MAP = 1,
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+ ACPI_NFIT_TYPE_INTERLEAVE = 2,
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+ ACPI_NFIT_TYPE_SMBIOS = 3,
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+ ACPI_NFIT_TYPE_CONTROL_REGION = 4,
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+ ACPI_NFIT_TYPE_DATA_REGION = 5,
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+ ACPI_NFIT_TYPE_FLUSH_ADDRESS = 6,
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+ ACPI_NFIT_TYPE_RESERVED = 7 /* 7 and greater are reserved */
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+};
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+
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+/*
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+ * NFIT Subtables
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+ */
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+
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+/* 0: System Physical Address Range Structure */
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+
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+struct acpi_nfit_system_address {
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+ struct acpi_nfit_header header;
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+ u16 range_index;
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+ u16 flags;
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+ u32 reserved; /* Reseved, must be zero */
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+ u32 proximity_domain;
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+ u8 range_guid[16];
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+ u64 address;
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+ u64 length;
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+ u64 memory_mapping;
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+};
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+
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+/* Flags */
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+
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+#define ACPI_NFIT_ADD_ONLINE_ONLY (1) /* 00: Add/Online Operation Only */
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+#define ACPI_NFIT_PROXIMITY_VALID (1<<1) /* 01: Proximity Domain Valid */
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+
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+/* Range Type GUIDs appear in the include/acuuid.h file */
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+
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+/* 1: Memory Device to System Address Range Map Structure */
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+
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+struct acpi_nfit_memory_map {
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+ struct acpi_nfit_header header;
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+ u32 device_handle;
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+ u16 physical_id;
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+ u16 region_id;
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+ u16 range_index;
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+ u16 region_index;
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+ u64 region_size;
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+ u64 region_offset;
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+ u64 address;
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+ u16 interleave_index;
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+ u16 interleave_ways;
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+ u16 flags;
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+ u16 reserved; /* Reserved, must be zero */
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+};
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+
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+/* Flags */
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+
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+#define ACPI_NFIT_MEM_SAVE_FAILED (1) /* 00: Last SAVE to Memory Device failed */
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+#define ACPI_NFIT_MEM_RESTORE_FAILED (1<<1) /* 01: Last RESTORE from Memory Device failed */
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+#define ACPI_NFIT_MEM_FLUSH_FAILED (1<<2) /* 02: Platform flush failed */
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+#define ACPI_NFIT_MEM_ARMED (1<<3) /* 03: Memory Device observed to be not armed */
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+#define ACPI_NFIT_MEM_HEALTH_OBSERVED (1<<4) /* 04: Memory Device observed SMART/health events */
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+#define ACPI_NFIT_MEM_HEALTH_ENABLED (1<<5) /* 05: SMART/health events enabled */
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+
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+/* 2: Interleave Structure */
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+
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+struct acpi_nfit_interleave {
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+ struct acpi_nfit_header header;
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+ u16 interleave_index;
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+ u16 reserved; /* Reserved, must be zero */
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+ u32 line_count;
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+ u32 line_size;
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+ u32 line_offset[1]; /* Variable length */
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+};
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+
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+/* 3: SMBIOS Management Information Structure */
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+
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+struct acpi_nfit_smbios {
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+ struct acpi_nfit_header header;
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+ u32 reserved; /* Reserved, must be zero */
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+ u8 data[1]; /* Variable length */
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+};
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+
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+/* 4: NVDIMM Control Region Structure */
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+
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+struct acpi_nfit_control_region {
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+ struct acpi_nfit_header header;
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+ u16 region_index;
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+ u16 vendor_id;
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+ u16 device_id;
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+ u16 revision_id;
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+ u16 subsystem_vendor_id;
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+ u16 subsystem_device_id;
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+ u16 subsystem_revision_id;
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+ u8 reserved[6]; /* Reserved, must be zero */
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+ u32 serial_number;
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+ u16 code;
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+ u16 windows;
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+ u64 window_size;
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+ u64 command_offset;
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+ u64 command_size;
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+ u64 status_offset;
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+ u64 status_size;
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+ u16 flags;
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+ u8 reserved1[6]; /* Reserved, must be zero */
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+};
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+
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+/* Flags */
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+
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+#define ACPI_NFIT_CONTROL_BUFFERED (1) /* Block Data Windows implementation is buffered */
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+
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+/* 5: NVDIMM Block Data Window Region Structure */
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+
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+struct acpi_nfit_data_region {
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+ struct acpi_nfit_header header;
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+ u16 region_index;
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+ u16 windows;
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+ u64 offset;
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+ u64 size;
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+ u64 capacity;
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+ u64 start_address;
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+};
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+
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+/* 6: Flush Hint Address Structure */
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+
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+struct acpi_nfit_flush_address {
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+ struct acpi_nfit_header header;
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+ u32 device_handle;
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+ u16 hint_count;
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+ u8 reserved[6]; /* Reserved, must be zero */
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+ u64 hint_address[1]; /* Variable length */
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+};
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+
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/*******************************************************************************
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*
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* SBST - Smart Battery Specification Table
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Bob Moore