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-rw-r--r--src/include/acpi/acpi.h25
1 files changed, 25 insertions, 0 deletions
diff --git a/src/include/acpi/acpi.h b/src/include/acpi/acpi.h
index 6aa6cb86e2..d5e933bce5 100644
--- a/src/include/acpi/acpi.h
+++ b/src/include/acpi/acpi.h
@@ -281,6 +281,10 @@ typedef struct acpi_srat {
/* Followed by static resource allocation structure[n] */
} __packed acpi_srat_t;
+#define ACPI_SRAT_STRUCTURE_LAPIC 0
+#define ACPI_SRAT_STRUCTURE_MEM 1
+#define ACPI_SRAT_STRUCTURE_GIA 5
+
/* SRAT: Processor Local APIC/SAPIC Affinity Structure */
typedef struct acpi_srat_lapic {
u8 type; /* Type (0) */
@@ -310,6 +314,21 @@ typedef struct acpi_srat_mem {
u32 resv2[2];
} __packed acpi_srat_mem_t;
+/* SRAT: Generic Initiator Affinity Structure (ACPI spec 6.4 section 5.2.16.6) */
+typedef struct acpi_srat_gia {
+ u8 type; /* Type (5) */
+ u8 length; /* Length in bytes (32) */
+ u8 resv;
+ u8 dev_handle_type; /* Device handle type */
+ u32 proximity_domain; /*Proximity domain */
+ u8 dev_handle[16]; /* Device handle */
+ u32 flags;
+ u32 resv1;
+} __packed acpi_srat_gia_t;
+
+#define ACPI_SRAT_GIA_DEV_HANDLE_ACPI 0
+#define ACPI_SRAT_GIA_DEV_HANDLE_PCI 1
+
/* SLIT (System Locality Distance Information Table) */
typedef struct acpi_slit {
acpi_header_t header;
@@ -1218,6 +1237,12 @@ int acpi_create_madt_lx2apic_nmi(acpi_madt_lx2apic_nmi_t *lapic_nmi, u32 cpu,
int acpi_create_srat_lapic(acpi_srat_lapic_t *lapic, u8 node, u8 apic);
int acpi_create_srat_mem(acpi_srat_mem_t *mem, u8 node, u32 basek, u32 sizek,
u32 flags);
+/*
+ * Given the Generic Initiator device's BDF, the proximity domain's ID
+ * and flag, create Generic Initiator Affinity structure in SRAT.
+ */
+int acpi_create_srat_gia_pci(acpi_srat_gia_t *gia, u32 proximity_domain,
+ u16 seg, u8 bus, u8 dev, u8 func, u32 flags);
int acpi_create_mcfg_mmconfig(acpi_mcfg_mmconfig_t *mmconfig, u32 base,
u16 seg_nr, u8 start, u8 end);
unsigned long acpi_create_srat_lapics(unsigned long current);