x86: acpi: Return table length in acpi_create_madt_lapics()

[u-boot] / arch / x86 / include / asm / mpspec.h

diff --git a/arch/x86/include/asm/mpspec.h b/arch/x86/include/asm/mpspec.h
index efa9231f922f96041928060b7d90087871ff19e7..ad8eba947b9a42aca24499cfad3693030d5d2223 100644 (file)
--- a/arch/x86/include/asm/mpspec.h
+++ b/arch/x86/include/asm/mpspec.h
@@ -431,6 +431,23 @@ void mp_write_compat_address_space(struct mp_config_table *mc, int busid,
  */
 u32 mptable_finalize(struct mp_config_table *mc);
 
+/**
+ * mp_determine_pci_dstirq() - Determine PCI device's int pin on the I/O APIC
+ *
+ * This determines a PCI device's interrupt pin number on the I/O APIC.
+ *
+ * This can be implemented by platform codes to handle specifal cases, which
+ * do not conform to the normal chipset/board design where PIRQ[A-H] are mapped
+ * directly to I/O APIC INTPIN#16-23.
+ *
+ * @bus:       bus number of the pci device
+ * @dev:       device number of the pci device
+ * @func:      function number of the pci device
+ * @pirq:      PIRQ number the PCI device's interrupt pin is routed to
+ * @return:    interrupt pin number on the I/O APIC
+ */
+int mp_determine_pci_dstirq(int bus, int dev, int func, int pirq);
+
 /**
  * write_mp_table() - Write MP table
  *