On Tue, Apr 19, 2022 at 10:55 PM Besar Wicaksono <bwicaksono@xxxxxxxxxx> wrote: > > ACPICA commit 002165ecc0a3dc703bb24c789aaa02fdada01675 > > The specification of this table is described in > "ARM Performance Monitoring Unit Architecture 1.0 Platform Design Document" > ARM DEN0117. > > This patch adds the necessary types and support for > compiling/disassembling APMT. > > Link: https://github.com/acpica/acpica/commit/002165ec > Signed-off-by: Besar Wicaksono <bwicaksono@xxxxxxxxxx> It should be equivalent to this patch: https://patchwork.kernel.org/project/linux-acpi/patch/3370028.QJadu78ljV@kreacher/ present in linux-next. If the other patch in the series is ACKed by the ARM64 ACPi people, I can take it too. Thanks! > --- > include/acpi/actbl2.h | 81 +++++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 81 insertions(+) > > diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h > index 16847c8d9d5f..8fc5cf318c15 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 */ > @@ -258,6 +259,86 @@ struct acpi_table_agdi { > > #define ACPI_AGDI_SIGNALING_MODE (1) > > +/******************************************************************************* > + * > + * 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 > -- > 2.17.1 >
