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ACPICA: Add support for Arm's MPAM ACPI table version 2

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ACPICA commit 005e24bcaa6e4c7db327b4f81fb63b2715aac7e6

Complies with ACPI for Memory System Resource Partitioning and
Monitoring 2.0 [1]. Document number: DEN0065, as of December 2022.

Support for all types of MPAM resources. No support yet for:
1) MPAM PCC Interface Type
2) The optional Resource-specific data per MSC node, introduced in v2 of the
MPAM ACPI spec.

[1] https://developer.arm.com/documentation/den0065/latest

Link: https://github.com/acpica/acpica/commit/005e24bc
Signed-off-by: Hesham Almatary <hesham.almatary@huawei.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Hesham Almatary 2023-04-05 15:37:35 +02:00 committed by Rafael J. Wysocki
parent f5325cb104
commit 47920aae34
1 changed files with 116 additions and 0 deletions
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116
include/acpi/actbl2.h
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@ -35,6 +35,7 @@
#define ACPI_SIG_MADT "APIC" /* Multiple APIC Description Table */
#define ACPI_SIG_MCFG "MCFG" /* PCI Memory Mapped Configuration table */
#define ACPI_SIG_MCHI "MCHI" /* Management Controller Host Interface table */
#define ACPI_SIG_MPAM "MPAM" /* Memory System Resource Partitioning and Monitoring Table */
#define ACPI_SIG_MPST "MPST" /* Memory Power State Table */
#define ACPI_SIG_MSDM "MSDM" /* Microsoft Data Management Table */
#define ACPI_SIG_NFIT "NFIT" /* NVDIMM Firmware Interface Table */
@ -1332,6 +1333,121 @@ struct acpi_table_mchi {
u8 pci_function;
};
/*******************************************************************************
*
* MPAM - Memory System Resource Partitioning and Monitoring
*
* Conforms to "ACPI for Memory System Resource Partitioning and Monitoring 2.0"
* Document number: ARM DEN 0065, December, 2022.
*
******************************************************************************/
/* MPAM RIS locator types. Table 11, Location types */
enum acpi_mpam_locator_type {
ACPI_MPAM_LOCATION_TYPE_PROCESSOR_CACHE = 0,
ACPI_MPAM_LOCATION_TYPE_MEMORY = 1,
ACPI_MPAM_LOCATION_TYPE_SMMU = 2,
ACPI_MPAM_LOCATION_TYPE_MEMORY_CACHE = 3,
ACPI_MPAM_LOCATION_TYPE_ACPI_DEVICE = 4,
ACPI_MPAM_LOCATION_TYPE_INTERCONNECT = 5,
ACPI_MPAM_LOCATION_TYPE_UNKNOWN = 0xFF
};
/* MPAM Functional dependency descriptor. Table 10 */
struct acpi_mpam_func_deps {
u32 producer;
u32 reserved;
};
/* MPAM Processor cache locator descriptor. Table 13 */
struct acpi_mpam_resource_cache_locator {
u64 cache_reference;
u32 reserved;
};
/* MPAM Memory locator descriptor. Table 14 */
struct acpi_mpam_resource_memory_locator {
u64 proximity_domain;
u32 reserved;
};
/* MPAM SMMU locator descriptor. Table 15 */
struct acpi_mpam_resource_smmu_locator {
u64 smmu_interface;
u32 reserved;
};
/* MPAM Memory-side cache locator descriptor. Table 16 */
struct acpi_mpam_resource_memcache_locator {
u8 reserved[7];
u8 level;
u32 reference;
};
/* MPAM ACPI device locator descriptor. Table 17 */
struct acpi_mpam_resource_acpi_locator {
u64 acpi_hw_id;
u32 acpi_unique_id;
};
/* MPAM Interconnect locator descriptor. Table 18 */
struct acpi_mpam_resource_interconnect_locator {
u64 inter_connect_desc_tbl_off;
u32 reserved;
};
/* MPAM Locator structure. Table 12 */
struct acpi_mpam_resource_generic_locator {
u64 descriptor1;
u32 descriptor2;
};
union acpi_mpam_resource_locator {
struct acpi_mpam_resource_cache_locator cache_locator;
struct acpi_mpam_resource_memory_locator memory_locator;
struct acpi_mpam_resource_smmu_locator smmu_locator;
struct acpi_mpam_resource_memcache_locator mem_cache_locator;
struct acpi_mpam_resource_acpi_locator acpi_locator;
struct acpi_mpam_resource_interconnect_locator interconnect_ifc_locator;
struct acpi_mpam_resource_generic_locator generic_locator;
};
/* Memory System Component Resource Node Structure Table 9 */
struct acpi_mpam_resource_node {
u32 identifier;
u8 ris_index;
u16 reserved1;
u8 locator_type;
union acpi_mpam_resource_locator locator;
u32 num_functional_deps;
};
/* Memory System Component (MSC) Node Structure. Table 4 */
struct acpi_mpam_msc_node {
u16 length;
u8 interface_type;
u8 reserved;
u32 identifier;
u64 base_address;
u32 mmio_size;
u32 overflow_interrupt;
u32 overflow_interrupt_flags;
u32 reserved1;
u32 overflow_interrupt_affinity;
u32 error_interrupt;
u32 error_interrupt_flags;
u32 reserved2;
u32 error_interrupt_affinity;
u32 max_nrdy_usec;
u64 hardware_id_linked_device;
u32 instance_id_linked_device;
u32 num_resouce_nodes;
};
struct acpi_table_mpam {
struct acpi_table_header header; /* Common ACPI table header */
};
/*******************************************************************************
*
* MPST - Memory Power State Table (ACPI 5.0)