From eef30079454c744ad1c9d4202ac2e4066986ffec Mon Sep 17 00:00:00 2001 From: Andy Shevchenko Date: Sun, 14 Jul 2019 19:23:56 +0300 Subject: [PATCH] x86: acpi: Add CSRT description Add CSRT [1] description as it provided in Linux kernel. [1]: http://www.uefi.org/sites/default/files/resources/CSRT%20v2.pdf Signed-off-by: Andy Shevchenko Reviewed-by: Bin Meng --- arch/x86/include/asm/acpi_table.h | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/arch/x86/include/asm/acpi_table.h b/arch/x86/include/asm/acpi_table.h index e3b65cff66..a70abd5d75 100644 --- a/arch/x86/include/asm/acpi_table.h +++ b/arch/x86/include/asm/acpi_table.h @@ -303,6 +303,37 @@ struct acpi_mcfg_mmconfig { /* ACPI global NVS structure */ struct acpi_global_nvs; +/* CSRT (Core System Resource Table) */ +struct acpi_csrt { + struct acpi_table_header header; +}; + +struct acpi_csrt_group { + u32 length; + u32 vendor_id; + u32 subvendor_id; + u16 device_id; + u16 subdevice_id; + u16 revision; + u16 reserved; + u32 shared_info_length; +}; + +struct acpi_csrt_shared_info { + u16 major_version; + u16 minor_version; + u32 mmio_base_low; + u32 mmio_base_high; + u32 gsi_interrupt; + u8 interrupt_polarity; + u8 interrupt_mode; + u8 num_channels; + u8 dma_address_width; + u16 base_request_line; + u16 num_handshake_signals; + u32 max_block_size; +}; + /* DBG2 definitions are partially used for SPCR interface_type */ /* Types for port_type field */ -- 2.39.5