Hi Tom,
> -----Original Message-----
> From: Tom Rix <[email protected]>
> Sent: Sunday, May 8, 2022 6:45 AM
> To: Chautru, Nicolas <[email protected]>; [email protected];
> [email protected]
> Cc: [email protected]; Kinsella, Ray <[email protected]>; Richardson,
> Bruce <[email protected]>; [email protected]; Zhang,
> Mingshan <[email protected]>; [email protected]
> Subject: Re: [PATCH v2 4/5] baseband/acc100: start explicitly PF Monitor from
> PMD
>
>
> On 4/27/22 11:17 AM, Nicolas Chautru wrote:
> > Ensure the performance monitor is restarted in case this is reset
> > after VF FLR.
> >
> > Signed-off-by: Nicolas Chautru <[email protected]>
> > ---
> > drivers/baseband/acc100/rte_acc100_pmd.c | 4 ++++
> > drivers/baseband/acc100/rte_acc100_pmd.h | 6 ++++++
> > 2 files changed, 10 insertions(+)
> >
> > diff --git a/drivers/baseband/acc100/rte_acc100_pmd.c
> > b/drivers/baseband/acc100/rte_acc100_pmd.c
> > index b03cedc..b588f5f 100644
> > --- a/drivers/baseband/acc100/rte_acc100_pmd.c
> > +++ b/drivers/baseband/acc100/rte_acc100_pmd.c
> > @@ -263,6 +263,10 @@
> > & 0xF;
> > }
> >
> > + /* Start Pmon */
> > + acc100_reg_write(d, reg_addr->pmon_ctrl_a, 0x2);
> > + acc100_reg_write(d, reg_addr->pmon_ctrl_b, 0x2);
>
> This looks like an acc100 bug fix, so it should be split from the acc101
> pathset.
>
> Where this code is added is fetch_acc100_config, a function that does reads.
>
> Though convenient, this is likely not the best place to put the writes
>
OK fair enough It could be part of setup_queues(), Thanks.
> Tom
>
> > +
> > /* Read PF mode */
> > if (d->pf_device) {
> > reg_mode = acc100_reg_read(d, HWPfHiPfMode); diff --git
> > a/drivers/baseband/acc100/rte_acc100_pmd.h
> > b/drivers/baseband/acc100/rte_acc100_pmd.h
> > index 6438031..f126cc0 100644
> > --- a/drivers/baseband/acc100/rte_acc100_pmd.h
> > +++ b/drivers/baseband/acc100/rte_acc100_pmd.h
> > @@ -475,6 +475,8 @@ struct acc100_registry_addr {
> > unsigned int depth_log1_offset;
> > unsigned int qman_group_func;
> > unsigned int ddr_range;
> > + unsigned int pmon_ctrl_a;
> > + unsigned int pmon_ctrl_b;
> > };
> >
> > /* Structure holding registry addresses for PF */ @@ -504,6 +506,8
> > @@ struct acc100_registry_addr {
> > .depth_log1_offset = HWPfQmgrGrpDepthLog21Vf,
> > .qman_group_func = HWPfQmgrGrpFunction0,
> > .ddr_range = HWPfDmaVfDdrBaseRw,
> > + .pmon_ctrl_a = HWPfPermonACntrlRegVf,
> > + .pmon_ctrl_b = HWPfPermonBCntrlRegVf,
> > };
> >
> > /* Structure holding registry addresses for VF */ @@ -533,6 +537,8
> > @@ struct acc100_registry_addr {
> > .depth_log1_offset = HWVfQmgrGrpDepthLog21Vf,
> > .qman_group_func = HWVfQmgrGrpFunction0Vf,
> > .ddr_range = HWVfDmaDdrBaseRangeRoVf,
> > + .pmon_ctrl_a = HWVfPmACntrlRegVf,
> > + .pmon_ctrl_b = HWVfPmBCntrlRegVf,
> > };
> >
> > /* Structure associated with each queue. */
