From: Sia Jee Heng <jeeheng.sia@xxxxxxxxxxxxxxxx> ACPICA commit 1eeff52124a45d5cd887ba5687bbad0116e4d211 The Microsoft Serial Port Console Redirection (SPCR) specification revision 1.09 comprises additional fields [1]. The newly added fields are: - RISC-V SBI - Precise Baud Rate - namespace_string_length - namespace_string_offset - namespace_string Additionaly, this code will support up to SPCR revision 1.10, as it includes only minor wording changes. Link: https://learn.microsoft.com/en-us/windows-hardware/drivers/serports/serial-port-console-redirection-table # [1] Link: https://github.com/acpica/acpica/commit/1eeff521 Signed-off-by: Sia Jee Heng <jeeheng.sia@xxxxxxxxxxxxxxxx> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> --- include/acpi/actbl3.h | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/include/acpi/actbl3.h b/include/acpi/actbl3.h index 8f775e3a08fd..5cd755143b7d 100644 --- a/include/acpi/actbl3.h +++ b/include/acpi/actbl3.h @@ -92,10 +92,10 @@ struct acpi_table_slit { /******************************************************************************* * * SPCR - Serial Port Console Redirection table - * Version 2 + * Version 4 * * Conforms to "Serial Port Console Redirection Table", - * Version 1.03, August 10, 2015 + * Version 1.10, Jan 5, 2023 * ******************************************************************************/ @@ -112,7 +112,7 @@ struct acpi_table_spcr { u8 stop_bits; u8 flow_control; u8 terminal_type; - u8 reserved1; + u8 language; u16 pci_device_id; u16 pci_vendor_id; u8 pci_bus; @@ -120,7 +120,11 @@ struct acpi_table_spcr { u8 pci_function; u32 pci_flags; u8 pci_segment; - u32 reserved2; + u32 uart_clk_freq; + u32 precise_baudrate; + u16 name_space_string_length; + u16 name_space_string_offset; + char name_space_string[]; }; /* Masks for pci_flags field above */ -- 2.43.0
