diff options
Diffstat (limited to 'include/acpi')
| -rw-r--r-- | include/acpi/actbl2.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h index 3e92d15a0cd6..8298b106aa40 100644 --- a/include/acpi/actbl2.h +++ b/include/acpi/actbl2.h @@ -25,6 +25,7 @@ * the wrong signature. */ #define ACPI_SIG_AGDI "AGDI" /* Arm Generic Diagnostic Dump and Reset Device Interface */ +#define ACPI_SIG_APMT "APMT" /* Arm Performance Monitoring Unit table */ #define ACPI_SIG_BDAT "BDAT" /* BIOS Data ACPI Table */ #define ACPI_SIG_IORT "IORT" /* IO Remapping Table */ #define ACPI_SIG_IVRS "IVRS" /* I/O Virtualization Reporting Structure */ @@ -260,6 +261,85 @@ struct acpi_table_agdi { /******************************************************************************* * + * APMT - ARM Performance Monitoring Unit Table + * + * Conforms to: + * ARM Performance Monitoring Unit Architecture 1.0 Platform Design Document + * ARM DEN0117 v1.0 November 25, 2021 + * + ******************************************************************************/ + +struct acpi_table_apmt { + struct acpi_table_header header; /* Common ACPI table header */ +}; + +#define ACPI_APMT_NODE_ID_LENGTH 4 + +/* + * APMT subtables + */ +struct acpi_apmt_node { + u16 length; + u8 flags; + u8 type; + u32 id; + u64 inst_primary; + u32 inst_secondary; + u64 base_address0; + u64 base_address1; + u32 ovflw_irq; + u32 reserved; + u32 ovflw_irq_flags; + u32 proc_affinity; + u32 impl_id; +}; + +/* Masks for Flags field above */ + +#define ACPI_APMT_FLAGS_DUAL_PAGE (1<<0) +#define ACPI_APMT_FLAGS_AFFINITY (1<<1) +#define ACPI_APMT_FLAGS_ATOMIC (1<<2) + +/* Values for Flags dual page field above */ + +#define ACPI_APMT_FLAGS_DUAL_PAGE_NSUPP (0<<0) +#define ACPI_APMT_FLAGS_DUAL_PAGE_SUPP (1<<0) + +/* Values for Flags processor affinity field above */ +#define ACPI_APMT_FLAGS_AFFINITY_PROC (0<<1) +#define ACPI_APMT_FLAGS_AFFINITY_PROC_CONTAINER (1<<1) + +/* Values for Flags 64-bit atomic field above */ +#define ACPI_APMT_FLAGS_ATOMIC_NSUPP (0<<2) +#define ACPI_APMT_FLAGS_ATOMIC_SUPP (1<<2) + +/* Values for Type field above */ + +enum acpi_apmt_node_type { + ACPI_APMT_NODE_TYPE_MC = 0x00, + ACPI_APMT_NODE_TYPE_SMMU = 0x01, + ACPI_APMT_NODE_TYPE_PCIE_ROOT = 0x02, + ACPI_APMT_NODE_TYPE_ACPI = 0x03, + ACPI_APMT_NODE_TYPE_CACHE = 0x04, + ACPI_APMT_NODE_TYPE_COUNT +}; + +/* Masks for ovflw_irq_flags field above */ + +#define ACPI_APMT_OVFLW_IRQ_FLAGS_MODE (1<<0) +#define ACPI_APMT_OVFLW_IRQ_FLAGS_TYPE (1<<1) + +/* Values for ovflw_irq_flags mode field above */ + +#define ACPI_APMT_OVFLW_IRQ_FLAGS_MODE_LEVEL (0<<0) +#define ACPI_APMT_OVFLW_IRQ_FLAGS_MODE_EDGE (1<<0) + +/* Values for ovflw_irq_flags type field above */ + +#define ACPI_APMT_OVFLW_IRQ_FLAGS_TYPE_WIRED (0<<1) + +/******************************************************************************* + * * BDAT - BIOS Data ACPI Table * * Conforms to "BIOS Data ACPI Table", Interface Specification v4.0 Draft 5 |