[v10,1/2] powerpc/powernv: Enable tunneled operations
patch-notifications at ellerman.id.au
Wed Mar 14 20:28:22 AEDT 2018
On Fri, 2018-03-02 at 09:56:11 UTC, Philippe Bergheaud wrote:
> P9 supports PCI tunneled operations (atomics and as_notify). This
> patch adds support for tunneled operations on powernv, with a new
> API, to be called by device drivers:
> Enable tunnel operations, tell driver the 16-bit ASN indication
> used by kernel.
> Disable tunnel operations.
> Tell kernel the Tunnel BAR Response address used by driver.
> This function uses two new OPAL calls, as the PBCQ Tunnel BAR
> register is configured by skiboot.
> Return the ASN info of the thread to be woken up.
> Signed-off-by: Philippe Bergheaud <felix at linux.vnet.ibm.com>
> Reviewed-by: Frederic Barrat <fbarrat at linux.vnet.ibm.com>
> Reviewed-by: Christophe Lombard <clombard at linux.vnet.ibm.com>
Series applied to powerpc next, thanks.
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