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[idd] transport: coordinate recovery requests
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Browse Source
This commit is contained in:
Geoffrey McRae
2026-08-13 01:01:00 +10:00
parent fbc4640623
commit 5b9d4923a7
12 changed files with 752 additions and 171 deletions
Download Patch File Download Diff File Expand all files Collapse all files

38
idd/LGIdd/transport/lgmp/CLGMPTransport.cpp
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@@ -98,8 +98,13 @@ ITransport::ProcessResult CLGMPTransport::Process(ITransportEvents& events)
{
const CRecovery::Request recovery = m_recovery.Process();
if (recovery.valid)
events.OnRecoveryRequest(SourceKey(),
recovery.session, recovery.serial, recovery.active);
{
const RecoveryAdmission admission = events.OnRecoveryRequest(
SourceKey(), recovery.session, recovery.serial, recovery.active);
if (admission.complete)
RecoveryStatus(SourceKey(), recovery.session, recovery.serial,
recovery.active, admission.state, admission.error);
}
// Before the swap chain establishes the frame-buffer alignment, service
// only the protocol-independent recovery channel. This preserves the old
@@ -228,10 +233,11 @@ void CLGMPTransport::SyncRecovery()
m_recovery.Sync();
}
void CLGMPTransport::RecoveryStatus(
void CLGMPTransport::RecoveryStatus(const SourceKey& source,
uint64_t session, uint32_t serial, bool active,
Recovery state, uint32_t error)
{
UNREFERENCED_PARAMETER(source);
uint32_t wireState = KVMFR_R_STATE_FAILED;
uint32_t wireError = KVMFR_R_ERR_NONE;
switch (state)
@@ -246,9 +252,29 @@ void CLGMPTransport::RecoveryStatus(
case Recovery::FAILED:
wireState = KVMFR_R_STATE_FAILED;
wireError = error == ERROR_NOT_FOUND ?
KVMFR_R_ERR_NO_FALLBACK_DISPLAY :
KVMFR_R_ERR_TOPOLOGY_FAILED;
switch (error)
{
case ERROR_NOT_FOUND:
wireError = KVMFR_R_ERR_NO_FALLBACK_DISPLAY;
break;
case ERROR_BUSY:
wireError = KVMFR_R_ERR_BUSY;
break;
case ERROR_NOT_ENOUGH_QUOTA:
wireError = KVMFR_R_ERR_CAPACITY;
break;
case ERROR_TIMEOUT:
case RPC_S_SERVER_UNAVAILABLE:
wireError = KVMFR_R_ERR_HELPER_UNAVAILABLE;
break;
default:
wireError = KVMFR_R_ERR_TOPOLOGY_FAILED;
break;
}
break;
}