From: Bob Moore <robert.moore@xxxxxxxxx> ACPICA commit a42a086b8d682ab8dfbc4666cf6b9c8a5ee23a77 Adds a new subtable. Link: https://github.com/acpica/acpica/commit/a42a086b Signed-off-by: Bob Moore <robert.moore@xxxxxxxxx> Signed-off-by: Erik Schmauss <erik.schmauss@xxxxxxxxx> --- include/acpi/actbl1.h | 66 ++++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 65 insertions(+), 1 deletion(-) diff --git a/include/acpi/actbl1.h b/include/acpi/actbl1.h index 5ef905626c6d..867f4136dbac 100644 --- a/include/acpi/actbl1.h +++ b/include/acpi/actbl1.h @@ -1150,7 +1150,8 @@ enum acpi_nfit_type { 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 */ + ACPI_NFIT_TYPE_CAPABILITIES = 7, + ACPI_NFIT_TYPE_RESERVED = 8 /* 8 and greater are reserved */ }; /* @@ -1282,6 +1283,69 @@ struct acpi_nfit_flush_address { u64 hint_address[1]; /* Variable length */ }; +/* 7: Platform Capabilities Structure */ + +struct acpi_nfit_capabilities { + struct acpi_nfit_header header; + u8 highest_capability; + u8 reserved[3]; /* Reserved, must be zero */ + u32 capabilities; + u32 reserved2; +}; + +/* Capabilities Flags */ + +#define ACPI_NFIT_CAPABILITY_CACHE_FLUSH (1) /* 00: Cache Flush to NVDIMM capable */ +#define ACPI_NFIT_CAPABILITY_MEM_FLUSH (1<<1) /* 01: Memory Flush to NVDIMM capable */ +#define ACPI_NFIT_CAPABILITY_MEM_MIRRORING (1<<2) /* 02: Memory Mirroring capable */ + +/* + * NFIT/DVDIMM device handle support - used as the _ADR for each NVDIMM + */ +struct nfit_device_handle { + u32 handle; +}; + +/* Device handle construction and extraction macros */ + +#define ACPI_NFIT_DIMM_NUMBER_MASK 0x0000000F +#define ACPI_NFIT_CHANNEL_NUMBER_MASK 0x000000F0 +#define ACPI_NFIT_MEMORY_ID_MASK 0x00000F00 +#define ACPI_NFIT_SOCKET_ID_MASK 0x0000F000 +#define ACPI_NFIT_NODE_ID_MASK 0x0FFF0000 + +#define ACPI_NFIT_DIMM_NUMBER_OFFSET 0 +#define ACPI_NFIT_CHANNEL_NUMBER_OFFSET 4 +#define ACPI_NFIT_MEMORY_ID_OFFSET 8 +#define ACPI_NFIT_SOCKET_ID_OFFSET 12 +#define ACPI_NFIT_NODE_ID_OFFSET 16 + +/* Macro to construct a NFIT/NVDIMM device handle */ + +#define ACPI_NFIT_BUILD_DEVICE_HANDLE(dimm, channel, memory, socket, node) \ + ((dimm) | \ + ((channel) << ACPI_NFIT_CHANNEL_NUMBER_OFFSET) | \ + ((memory) << ACPI_NFIT_MEMORY_ID_OFFSET) | \ + ((socket) << ACPI_NFIT_SOCKET_ID_OFFSET) | \ + ((node) << ACPI_NFIT_NODE_ID_OFFSET)) + +/* Macros to extract individual fields from a NFIT/NVDIMM device handle */ + +#define ACPI_NFIT_GET_DIMM_NUMBER(handle) \ + ((handle) & ACPI_NFIT_DIMM_NUMBER_MASK) + +#define ACPI_NFIT_GET_CHANNEL_NUMBER(handle) \ + (((handle) & ACPI_NFIT_CHANNEL_NUMBER_MASK) >> ACPI_NFIT_CHANNEL_NUMBER_OFFSET) + +#define ACPI_NFIT_GET_MEMORY_ID(handle) \ + (((handle) & ACPI_NFIT_MEMORY_ID_MASK) >> ACPI_NFIT_MEMORY_ID_OFFSET) + +#define ACPI_NFIT_GET_SOCKET_ID(handle) \ + (((handle) & ACPI_NFIT_SOCKET_ID_MASK) >> ACPI_NFIT_SOCKET_ID_OFFSET) + +#define ACPI_NFIT_GET_NODE_ID(handle) \ + (((handle) & ACPI_NFIT_NODE_ID_MASK) >> ACPI_NFIT_NODE_ID_OFFSET) + /******************************************************************************* * * PDTT - Platform Debug Trigger Table (ACPI 6.2) -- 2.13.6 -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
