@@ -26,6 +26,7 @@
*/
#define ACPI_SIG_AEST "AEST" /* Arm Error Source Table */
#define ACPI_SIG_ASF "ASF!" /* Alert Standard Format table */
+#define ACPI_SIG_ASPT "ASPT" /* AMD Secure Processor Table */
#define ACPI_SIG_BERT "BERT" /* Boot Error Record Table */
#define ACPI_SIG_BGRT "BGRT" /* Boot Graphics Resource Table */
#define ACPI_SIG_BOOT "BOOT" /* Simple Boot Flag Table */
@@ -109,6 +110,51 @@ struct acpi_whea_header {
u64 mask; /* Bitmask required for this register instruction */
};
+/* https://docs.microsoft.com/en-us/windows-hardware/drivers/ddi/acpitabl/ns-acpitabl-aspt_table */
+#define ASPT_REVISION_ID 0x01
+struct acpi_table_aspt {
+ struct acpi_table_header header;
+ u32 num_entries;
+};
+
+struct acpi_aspt_header {
+ u16 type;
+ u16 length;
+};
+
+enum acpi_aspt_type {
+ ACPI_ASPT_TYPE_GLOBAL_REGS = 0,
+ ACPI_ASPT_TYPE_SEV_MBOX_REGS = 1,
+ ACPI_ASPT_TYPE_ACPI_MBOX_REGS = 2,
+};
+
+/* 0: ASPT Global Registers */
+struct acpi_aspt_global_regs {
+ struct acpi_aspt_header header;
+ u32 reserved;
+ u64 feature_reg_addr;
+ u64 irq_en_reg_addr;
+ u64 irq_st_reg_addr;
+};
+
+/* 1: ASPT SEV Mailbox Registers */
+struct acpi_aspt_sev_mbox_regs {
+ struct acpi_aspt_header header;
+ u8 mbox_irq_id;
+ u8 reserved[3];
+ u64 cmd_resp_reg_addr;
+ u64 cmd_buf_lo_reg_addr;
+ u64 cmd_buf_hi_reg_addr;
+};
+
+/* 2: ASPT ACPI Mailbox Registers */
+struct acpi_aspt_acpi_mbox_regs {
+ struct acpi_aspt_header header;
+ u32 reserved1;
+ u64 cmd_resp_reg_addr;
+ u64 reserved2[2];
+};
+
/*******************************************************************************
*
* ASF - Alert Standard Format table (Signature "ASF!")