[PATCH v3 07/11] vdpa/nfp: setup the VF configure

Maxime Coquelin maxime.coquelin at redhat.com
Tue Jun 18 10:19:33 CEST 2024



On 6/17/24 08:27, Chaoyong He wrote:
> From: Xinying Yu <xinying.yu at corigine.com>
> 
> Create the relay vring on host and then set the address of Rx
> used ring to the VF config bar. So the device can DMA the
> used ring information to host rather than directly to VM.
> 
> Use 'NFP_NET_CFG_CTRL_LM_RELAY' notify the device side. And
> enable the MSIX interrupt on device.
> 
> Tx ring address is not needed to change since the relay vring
> only assists Rx ring to do the dirty page logging.
> 
> Signed-off-by: Xinying Yu <xinying.yu at corigine.com>
> Reviewed-by: Chaoyong He <chaoyong.he at corigine.com>
> Reviewed-by: Long Wu <long.wu at corigine.com>
> Reviewed-by: Peng Zhang <peng.zhang at corigine.com>
> ---
>   drivers/common/nfp/nfp_common_ctrl.h |   3 +
>   drivers/vdpa/nfp/nfp_vdpa.c          | 203 ++++++++++++++++++++++++---
>   drivers/vdpa/nfp/nfp_vdpa_core.c     |  55 ++++++--
>   drivers/vdpa/nfp/nfp_vdpa_core.h     |   8 ++
>   4 files changed, 239 insertions(+), 30 deletions(-)
> 

Reviewed-by: Maxime Coquelin <maxime.coquelin at redhat.com>

Thanks,
Maxime



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