From aba578bdace5303a441f8a37aad781b5cb06f38c Mon Sep 17 00:00:00 2001 From: Huai-Cheng Kuo Date: Fri, 14 Oct 2022 16:10:43 +0100 Subject: hw/cxl/cdat: CXL CDAT Data Object Exchange implementation The Data Object Exchange implementation of CXL Coherent Device Attribute Table (CDAT). This implementation is referring to "Coherent Device Attribute Table Specification, Rev. 1.03, July. 2022" and "Compute Express Link Specification, Rev. 3.0, July. 2022" This patch adds core support that will be shared by both end-points and switch port emulation. Signed-off-by: Huai-Cheng Kuo Signed-off-by: Chris Browy Signed-off-by: Jonathan Cameron Message-Id: <20221014151045.24781-4-Jonathan.Cameron@huawei.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- include/hw/cxl/cxl_component.h | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'include/hw/cxl/cxl_component.h') diff --git a/include/hw/cxl/cxl_component.h b/include/hw/cxl/cxl_component.h index 94ec2f07d7..34075cfb72 100644 --- a/include/hw/cxl/cxl_component.h +++ b/include/hw/cxl/cxl_component.h @@ -19,6 +19,7 @@ #include "qemu/range.h" #include "qemu/typedefs.h" #include "hw/register.h" +#include "qapi/error.h" enum reg_type { CXL2_DEVICE, @@ -184,6 +185,8 @@ typedef struct cxl_component { struct PCIDevice *pdev; }; }; + + CDATObject cdat; } CXLComponentState; void cxl_component_register_block_init(Object *obj, @@ -220,4 +223,8 @@ static inline hwaddr cxl_decode_ig(int ig) CXLComponentState *cxl_get_hb_cstate(PCIHostState *hb); +void cxl_doe_cdat_init(CXLComponentState *cxl_cstate, Error **errp); +void cxl_doe_cdat_release(CXLComponentState *cxl_cstate); +void cxl_doe_cdat_update(CXLComponentState *cxl_cstate, Error **errp); + #endif -- cgit 1.4.1