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 <andriy.shevchenko@linux.intel.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

diff --git a/arch/x86/include/asm/acpi_table.h b/arch/x86/include/asm/acpi_table.h
index e3b65cf..a70abd5 100644 (file)
--- 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 */