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pci-bridge/cxl_upstream: Add a CXL switch upstream port

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An initial simple upstream port emulation to allow the creation
of CXL switches. The Device ID has been allocated for this use.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-Id: <20220616145126.8002-2-Jonathan.Cameron@huawei.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Jonathan Cameron 2022-06-16 15:51:24 +01:00 • committed by Michael S. Tsirkin
parent def6fd6c9c
commit 638b752da3
3 changed files with 222 additions and 1 deletions
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5
include/hw/cxl/cxl.h
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@ -53,4 +53,9 @@ struct CXLHost {
#define TYPE_PXB_CXL_HOST "pxb-cxl-host"
OBJECT_DECLARE_SIMPLE_TYPE(CXLHost, PXB_CXL_HOST)
#define TYPE_CXL_USP "cxl-upstream"
typedef struct CXLUpstreamPort CXLUpstreamPort;
DECLARE_INSTANCE_CHECKER(CXLUpstreamPort, CXL_USP, TYPE_CXL_USP)
CXLComponentState *cxl_usp_to_cstate(CXLUpstreamPort *usp);
#endif