> -----Original Message----- > From: Linga, Pavan Kumar <[email protected]> > Sent: 4 September, 2025 20:05 > To: Simon Horman <[email protected]> > Cc: [email protected]; [email protected]; > [email protected]; Sridhar Samudrala <[email protected]> > Subject: Re: [Intel-wired-lan] [PATCH net-next v4] idpf: add support for IDPF > PCI programming interface > > > > On 9/3/2025 5:51 AM, Simon Horman wrote: > > On Tue, Sep 02, 2025 at 08:58:52PM -0700, Pavan Kumar Linga wrote: > >> At present IDPF supports only 0x1452 and 0x145C as PF and VF device > >> IDs on our current generation hardware. Future hardware exposes a new > >> set of device IDs for each generation. To avoid adding a new device > >> ID for each generation and to make the driver forward and backward > >> compatible, make use of the IDPF PCI programming interface to load the > driver. > >> > >> Write and read the VF_ARQBAL mailbox register to find if the current > >> device is a PF or a VF. > >> > >> PCI SIG allocated a new programming interface for the IDPF compliant > >> ethernet network controller devices. It can be found at: > >> https://members.pcisig.com/wg/PCI-SIG/document/20113 > >> with the document titled as 'PCI Code and ID Assignment Revision 1.16' > >> or any latest revisions. > >> > >> Tested this patch by doing a simple driver load/unload on Intel IPU > >> E2000 hardware which supports 0x1452 and 0x145C device IDs and new > >> hardware which supports the IDPF PCI programming interface. > >> > >> Reviewed-by: Sridhar Samudrala <[email protected]> > >> Signed-off-by: Madhu Chittim <[email protected]> > >> Reviewed-by: Simon Horman <[email protected]> > >> Signed-off-by: Pavan Kumar Linga <[email protected]> > > > > Hi Pavan, > > > > Should this be targeted at iwl, where it applies cleanly, rather than > > net-next, where it does not. > > > > If the later, I think that a rebase and repost is appropriate. > > > > ... > > My bad. It is targeted for iwl-next, but I marked it as net-next. > > Please let me know if you want me to correct the target and send a new > revision. > > Thanks, > Pavan
Tested-by: Marek Landowski <[email protected]>
