[Skiboot] [PATCH V2] capi: CAPP recovery
stewart at linux.vnet.ibm.com
Thu Sep 21 14:50:07 AEST 2017
Christophe Lombard <clombard at linux.vnet.ibm.com> writes:
> CAPP recovery is initiated when a CAPP Machine Check is detected.
> The capp recovery procedure is initiated via a Hypervisor Maintenance
> interrupt (HMI).
> CAPP Machine Check may arise from either an error that results in a PHB
> freeze or from an internal CAPP error with CAPP checkstop FIR action.
> An error that causes a PHB freeze will result in the link down signal
> being asserted. The system continues running and the CAPP and PSL will
> be re-initialized.
> Tests performed on some of the old/new hardware.
> Signed-off-by: Christophe Lombard <clombard at linux.vnet.ibm.com>
> Reviewed-by: Frederic Barrat <fbarrat at linux.vnet.ibm.com>
> - Rebase to latest upstream.
> - Remove the setting of BIT(15) TRANSPORT_CONTROL register.
thanks. Merged to master as of 5779c11fdc57c4dc474beb00f044f34ec1c58368
OPAL Architect, IBM.
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