netdev - RE: [Intel-wired-lan] [PATCH iwl-next 8/8] ice: introduce ice_get_vf_by

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Message-ID: <IA3PR11MB8985A1C87B18F619A28872CC8F4EA@IA3PR11MB8985.namprd11.prod.outlook.com>
Date: Tue, 8 Jul 2025 14:58:30 +0000
From: "Romanowski, Rafal" <rafal.romanowski@...el.com>
To: "Keller, Jacob E" <jacob.e.keller@...el.com>, Intel Wired LAN
	<intel-wired-lan@...ts.osuosl.org>
CC: "Keller, Jacob E" <jacob.e.keller@...el.com>, "netdev@...r.kernel.org"
	<netdev@...r.kernel.org>, "Chittim, Madhu" <madhu.chittim@...el.com>, "Cao,
 Yahui" <yahui.cao@...el.com>, "Nguyen, Anthony L"
	<anthony.l.nguyen@...el.com>, "Kitszel, Przemyslaw"
	<przemyslaw.kitszel@...el.com>
Subject: RE: [Intel-wired-lan] [PATCH iwl-next 8/8] ice: introduce
 ice_get_vf_by_dev() wrapper

> -----Original Message-----
> From: Intel-wired-lan <intel-wired-lan-bounces@...osl.org> On Behalf Of
> Jacob Keller
> Sent: Thursday, June 19, 2025 12:25 AM
> To: Intel Wired LAN <intel-wired-lan@...ts.osuosl.org>
> Cc: Keller, Jacob E <jacob.e.keller@...el.com>; netdev@...r.kernel.org;
> Chittim, Madhu <madhu.chittim@...el.com>; Cao, Yahui
> <yahui.cao@...el.com>; Nguyen, Anthony L <anthony.l.nguyen@...el.com>;
> Kitszel, Przemyslaw <przemyslaw.kitszel@...el.com>
> Subject: [Intel-wired-lan] [PATCH iwl-next 8/8] ice: introduce
> ice_get_vf_by_dev() wrapper
>
> The ice_get_vf_by_id() function is used to obtain a reference to a VF structure
> based on its ID. The ice_sriov_set_msix_vec_count() function needs to get a VF
> reference starting from the VF PCI device, and uses
> pci_iov_vf_id() to get the VF ID. This pattern is currently uncommon in the ice
> driver. However, the live migration module will introduce many more such
> locations.
>
> Add a helper wrapper ice_get_vf_by_dev() which takes the VF PCI device and
> calls ice_get_vf_by_id() using pci_iov_vf_id() to get the VF ID.
>
> Signed-off-by: Jacob Keller <jacob.e.keller@...el.com>
> ---
>  drivers/net/ethernet/intel/ice/ice_vf_lib.h | 26
> ++++++++++++++++++++++++++  drivers/net/ethernet/intel/ice/ice_sriov.c
> |  7 +------
>  2 files changed, 27 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/net/ethernet/intel/ice/ice_vf_lib.h
> b/drivers/net/ethernet/intel/ice/ice_vf_lib.h
> index
> a5ee380f8c9e53d6e5ac029b9942db380829a84f..e538b4ecc6cec7d8bd26b
> 7d198197fd5c3ed2e60 100644
> --- a/drivers/net/ethernet/intel/ice/ice_vf_lib.h
> +++ b/drivers/net/ethernet/intel/ice/ice_vf_lib.h
> @@ -239,6 +239,26 @@ static inline bool ice_vf_is_lldp_ena(struct ice_vf *vf)

Tested-by: Rafal Romanowski <rafal.romanowski@...el.com>