ACK: [PATCH 1/3] lib: acpi: add support for PMTT

Colin Ian King colin.king at canonical.com
Mon Aug 15 08:51:23 UTC 2016


On 05/08/16 13:07, Alex Hung wrote:
> Signed-off-by: Alex Hung <alex.hung at canonical.com>
> ---
>  src/lib/include/fwts_acpi.h | 53 +++++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 53 insertions(+)
> 
> diff --git a/src/lib/include/fwts_acpi.h b/src/lib/include/fwts_acpi.h
> index 4a4e699..fed8dc2 100644
> --- a/src/lib/include/fwts_acpi.h
> +++ b/src/lib/include/fwts_acpi.h
> @@ -1040,6 +1040,59 @@ typedef struct {
>  } __attribute__ ((packed)) fwts_acpi_table_mpst_power_char_list;
>  
>  /*
> + * ACPI PMTT (Memory Topology Table, 5.2.21.12
> + */
> +typedef struct {
> +	fwts_acpi_table_header	header;
> +	uint32_t	reserved;
> +} __attribute__ ((packed)) fwts_acpi_table_pmtt;
> +
> +typedef struct {
> +	uint8_t		type;
> +	uint8_t		reserved1;
> +	uint16_t	length;
> +	uint16_t	flags;
> +	uint16_t	reserved2;
> +} __attribute__ ((packed)) fwts_acpi_table_pmtt_header;
> +
> +typedef enum {
> +	FWTS_ACPI_PMTT_TYPE_SOCKET		= 0,
> +	FWTS_ACPI_PMTT_TYPE_CONTROLLER		= 1,
> +	FWTS_ACPI_PMTT_TYPE_DIMM		= 2,
> +	FWTS_ACPI_PMTT_TYPE_RESERVED		= 3 /* 0x03-0xFF are reserved */
> +} fwts_acpi_pmtt_type;
> +
> +typedef struct {
> +	fwts_acpi_table_pmtt_header	header;
> +	uint16_t	socket_id;
> +	uint16_t	reserved;
> +} __attribute__ ((packed)) fwts_acpi_table_pmtt_socket;
> +
> +typedef struct {
> +	fwts_acpi_table_pmtt_header	header;
> +	uint32_t	read_latency;
> +	uint32_t	write_latency;
> +	uint32_t	read_bandwidth;
> +	uint32_t	write_bandwidth;
> +	uint16_t	access_width;
> +	uint16_t	alignment;
> +	uint16_t	reserved;
> +	uint16_t	domain_count;
> +} __attribute__ ((packed)) fwts_acpi_table_pmtt_controller;
> +
> +typedef struct {
> +	uint32_t	proximity_domain;
> +} __attribute__ ((packed)) fwts_acpi_table_pmtt_domain;
> +
> +typedef struct {
> +	fwts_acpi_table_pmtt_header	header;
> +	uint16_t	component_id;
> +	uint16_t	reserved;
> +	uint32_t	memory_size;
> +	uint32_t	bios_handle;
> +} __attribute__ ((packed)) fwts_acpi_table_pmtt_physical_component;
> +
> +/*
>   * ACPI NFIT (NVDIMM Firmware Interface), 5.2.25
>   */
>  typedef struct {
> 
Acked-by: Colin Ian King <colin.king at canonical.com>



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