[libvirt] [libvirt-go PATCH 2/2] Add support for AMD SEV platform info

Signed-off-by: Erik Skultety <eskultet(a)redhat.com&gt; --- connect.go | 59 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ connect_compat.go | 12 +++++++++++ connect_compat.h | 7 +++++++ 3 files changed, 78 insertions(+) diff --git a/connect.go b/connect.go index e3e643e..8bb5fe6 100644 --- a/connect.go +++ b/connect.go @@ -2765,3 +2765,62 @@ func (c *Connect) GetAllDomainStats(doms []*Domain, statsTypes DomainStatsTypes, return stats, nil } + +type NodeSEVParameters struct { + PdhSet bool + Pdh string + CertChainSet bool + CertChain string + CbitposSet bool + Cbitpos uint + ReducedPhysBitsSet bool + ReducedPhysBits uint +} + +func getNodeSEVFieldInfo(params *NodeSEVParameters) map[string]typedParamsFieldInfo { + return map[string]typedParamsFieldInfo{ + C.VIR_NODE_SEV_PDH: typedParamsFieldInfo{ + set: &params.PdhSet, + s: &params.Pdh, + }, + C.VIR_NODE_SEV_CERT_CHAIN: typedParamsFieldInfo{ + set: &params.CertChainSet, + s: &params.CertChain, + }, + C.VIR_NODE_SEV_CBITPOS: typedParamsFieldInfo{ + set: &params.CbitposSet, + ui: &params.Cbitpos, + }, + C.VIR_NODE_SEV_REDUCED_PHYS_BITS: typedParamsFieldInfo{ + set: &params.ReducedPhysBitsSet, + ui: &params.ReducedPhysBits, + }, + } +} + +// See also https://libvirt.org/html/libvirt-libvirt-host.html#virNodeGetSEVInfo +func (c *Connect) GetSEVInfo(flags uint32) (*NodeSEVParameters, error) { + if C.LIBVIR_VERSION_NUMBER < 4005000 { + return nil, GetNotImplementedError("virNodeGetSEVInfo") + } + + params := &NodeSEVParameters{} + info := getNodeSEVFieldInfo(params) + + var cparams *C.virTypedParameter + var nparams C.int + + ret := C.virNodeGetSEVInfoCompat(c.ptr, (*C.virTypedParameterPtr)(unsafe.Pointer(&cparams)), &nparams, C.uint(flags)) + if ret == -1 { + return nil, GetLastError() + } + + defer C.virTypedParamsFree(cparams, nparams) + + _, err := typedParamsUnpackLen(cparams, int(nparams), info) + if err != nil { + return nil, err + } + + return params, nil +} diff --git a/connect_compat.go b/connect_compat.go index 617bc4a..544def2 100644 --- a/connect_compat.go +++ b/connect_compat.go @@ -157,5 +157,17 @@ int virConnectCompareHypervisorCPUCompat(virConnectPtr conn, #endif } +int virNodeGetSEVInfoCompat(virConnectPtr conn, + virTypedParameterPtr *params, + int *nparams, + unsigned int flags) +{ +#if LIBVIR_VERSION_NUMBER < 4005000 + assert(0); // Caller should have checked version +#else + return virNodeGetSEVInfo(conn, params, nparams, flags); +#endif +} + */ import "C" diff --git a/connect_compat.h b/connect_compat.h index 432ed0c..cd6d678 100644 --- a/connect_compat.h +++ b/connect_compat.h @@ -236,4 +236,11 @@ int virConnectCompareHypervisorCPUCompat(virConnectPtr conn, const char *xmlCPU, unsigned int flags); +/* 4.5.0 */ + +int virNodeGetSEVInfoCompat(virConnectPtr conn, + virTypedParameterPtr *params, + int *nparams, + unsigned int flags); + #endif /* LIBVIRT_GO_CONNECT_COMPAT_H__ */ -- 2.14.4