[PATCH V7] cxl: Add support for ASB_Notify on POWER9

[Vaibhav Jain]

Christophe Lombard <clombard at linux.vnet.ibm.com> writes:

> The POWER9 core supports a new feature: ASB_Notify which requires the
> support of the Special Purpose Register: TIDR.
>
> The ASB_Notify command, generated by the AFU, will attempt to
> wake-up the host thread identified by the particular LPID:PID:TID.
>
> This patch assign a unique TIDR (thread id) for the current thread which
> will be used in the process element entry.
>
> Signed-off-by: Christophe Lombard <clombard at linux.vnet.ibm.com>
> Reviewed-by: Philippe Bergheaud <felix at linux.vnet.ibm.com>
>
Reviewed-by: Vaibhav Jain <vaibhav at linux.vnet.ibm.com>