| Message ID | 20240606112503.1939759-6-michal.swiatkowski@linux.intel.com |
|---|---|
| State | Under Review |
| Delegated to: | Anthony Nguyen |
| Headers | show |
| Series | ice: support devlink subfunction | expand |
On Thu, Jun 06, 2024 at 01:24:53PM +0200, Michal Swiatkowski wrote: > From: Piotr Raczynski <piotr.raczynski@intel.com> > > Make devlink allocation function generic to use it for PF and for SF. > > Add function for SF devlink port creation. It will be used in next > patch. > > Create header file for subfunction device. Define subfunction device > structure there as it is needed for devlink allocation and port > creation. > > Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com> > Signed-off-by: Piotr Raczynski <piotr.raczynski@intel.com> > Signed-off-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com> Thanks Piotr, I believe this addresses Jiri's review of v4. And the minor nit below not withstanding, this looks good to me. Reviewed-by: Simon Horman <horms@kernel.org> ... > diff --git a/drivers/net/ethernet/intel/ice/devlink/devlink.c b/drivers/net/ethernet/intel/ice/devlink/devlink.c ... > @@ -1422,6 +1425,7 @@ static void ice_devlink_free(void *devlink_ptr) > * Allocate a devlink instance for this device and return the private area as > * the PF structure. The devlink memory is kept track of through devres by > * adding an action to remove it when unwinding. > + * > */ > struct ice_pf *ice_allocate_pf(struct device *dev) > { nit: this hunk seems unrelated to the rest of the patch. ...
> -----Original Message----- > From: Intel-wired-lan <intel-wired-lan-bounces@osuosl.org> On Behalf Of Simon > Horman > Sent: Friday, June 14, 2024 12:55 PM > To: Michal Swiatkowski <michal.swiatkowski@linux.intel.com> > Cc: shayd@nvidia.com; Fijalkowski, Maciej <maciej.fijalkowski@intel.com>; > Polchlopek, Mateusz <mateusz.polchlopek@intel.com>; netdev@vger.kernel.org; > jiri@nvidia.com; kalesh-anakkur.purayil@broadcom.com; Kubiak, Michal > <michal.kubiak@intel.com>; intel-wired-lan@lists.osuosl.org; > pio.raczynski@gmail.com; Samudrala, Sridhar <sridhar.samudrala@intel.com>; > Keller, Jacob E <jacob.e.keller@intel.com>; Drewek, Wojciech > <wojciech.drewek@intel.com>; Kitszel, Przemyslaw > <przemyslaw.kitszel@intel.com> > Subject: Re: [Intel-wired-lan] [iwl-next v5 05/15] ice: allocate devlink for > subfunction > > On Thu, Jun 06, 2024 at 01:24:53PM +0200, Michal Swiatkowski wrote: > > From: Piotr Raczynski <piotr.raczynski@intel.com> > > > > Make devlink allocation function generic to use it for PF and for SF. > > > > Add function for SF devlink port creation. It will be used in next > > patch. > > > > Create header file for subfunction device. Define subfunction device > > structure there as it is needed for devlink allocation and port > > creation. > > > > Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com> > > Signed-off-by: Piotr Raczynski <piotr.raczynski@intel.com> > > Signed-off-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com> > > Thanks Piotr, > > I believe this addresses Jiri's review of v4. > And the minor nit below not withstanding, this looks good to me. > > Reviewed-by: Simon Horman <horms@kernel.org> > > ... > > > diff --git a/drivers/net/ethernet/intel/ice/devlink/devlink.c > > b/drivers/net/ethernet/intel/ice/devlink/devlink.c > > ... > Tested-by: Rafal Romanowski <rafal.romanowski@intel.com>
diff --git a/drivers/net/ethernet/intel/ice/devlink/devlink.c b/drivers/net/ethernet/intel/ice/devlink/devlink.c index bfb3d5b59a62..9bcbd04d29a9 100644 --- a/drivers/net/ethernet/intel/ice/devlink/devlink.c +++ b/drivers/net/ethernet/intel/ice/devlink/devlink.c @@ -10,6 +10,7 @@ #include "ice_eswitch.h" #include "ice_fw_update.h" #include "ice_dcb_lib.h" +#include "ice_sf_eth.h" /* context for devlink info version reporting */ struct ice_info_ctx { @@ -1282,6 +1283,8 @@ static const struct devlink_ops ice_devlink_ops = { .port_new = ice_devlink_port_new, }; +static const struct devlink_ops ice_sf_devlink_ops; + static int ice_devlink_enable_roce_get(struct devlink *devlink, u32 id, struct devlink_param_gset_ctx *ctx) @@ -1422,6 +1425,7 @@ static void ice_devlink_free(void *devlink_ptr) * Allocate a devlink instance for this device and return the private area as * the PF structure. The devlink memory is kept track of through devres by * adding an action to remove it when unwinding. + * */ struct ice_pf *ice_allocate_pf(struct device *dev) { @@ -1438,6 +1442,34 @@ struct ice_pf *ice_allocate_pf(struct device *dev) return devlink_priv(devlink); } +/** + * ice_allocate_sf - Allocate devlink and return SF structure pointer + * @dev: the device to allocate for + * @pf: pointer to the PF structure + * + * Allocate a devlink instance for SF. + * + * Return: ice_sf_priv pointer to allocated memory or ERR_PTR in case of error + */ +struct ice_sf_priv *ice_allocate_sf(struct device *dev, struct ice_pf *pf) +{ + struct devlink *devlink; + int err; + + devlink = devlink_alloc(&ice_sf_devlink_ops, sizeof(struct ice_sf_priv), + dev); + if (!devlink) + return ERR_PTR(-ENOMEM); + + err = devl_nested_devlink_set(priv_to_devlink(pf), devlink); + if (err) { + devlink_free(devlink); + return ERR_PTR(err); + } + + return devlink_priv(devlink); +} + /** * ice_devlink_register - Register devlink interface for this PF * @pf: the PF to register the devlink for. diff --git a/drivers/net/ethernet/intel/ice/devlink/devlink.h b/drivers/net/ethernet/intel/ice/devlink/devlink.h index d291c0e2e17b..1af3b0763fbb 100644 --- a/drivers/net/ethernet/intel/ice/devlink/devlink.h +++ b/drivers/net/ethernet/intel/ice/devlink/devlink.h @@ -5,6 +5,7 @@ #define _ICE_DEVLINK_H_ struct ice_pf *ice_allocate_pf(struct device *dev); +struct ice_sf_priv *ice_allocate_sf(struct device *dev, struct ice_pf *pf); void ice_devlink_register(struct ice_pf *pf); void ice_devlink_unregister(struct ice_pf *pf); diff --git a/drivers/net/ethernet/intel/ice/devlink/devlink_port.c b/drivers/net/ethernet/intel/ice/devlink/devlink_port.c index 5d1fe08e4bab..f06baabd0112 100644 --- a/drivers/net/ethernet/intel/ice/devlink/devlink_port.c +++ b/drivers/net/ethernet/intel/ice/devlink/devlink_port.c @@ -489,6 +489,47 @@ void ice_devlink_destroy_vf_port(struct ice_vf *vf) devl_port_unregister(&vf->devlink_port); } +/** + * ice_devlink_create_sf_dev_port - Register virtual port for a subfunction + * @sf_dev: the subfunction device to create a devlink port for + * + * Register virtual flavour devlink port for the subfunction auxiliary device + * created after activating a dynamically added devlink port. + * + * Return: zero on success or an error code on failure. + */ +int ice_devlink_create_sf_dev_port(struct ice_sf_dev *sf_dev) +{ + struct devlink_port_attrs attrs = {}; + struct ice_dynamic_port *dyn_port; + struct devlink_port *devlink_port; + struct devlink *devlink; + struct ice_vsi *vsi; + + dyn_port = sf_dev->dyn_port; + vsi = dyn_port->vsi; + + devlink_port = &sf_dev->priv->devlink_port; + + attrs.flavour = DEVLINK_PORT_FLAVOUR_VIRTUAL; + + devlink_port_attrs_set(devlink_port, &attrs); + devlink = priv_to_devlink(sf_dev->priv); + + return devl_port_register(devlink, devlink_port, vsi->idx); +} + +/** + * ice_devlink_destroy_sf_dev_port - Destroy virtual port for a subfunction + * @sf_dev: the subfunction device to create a devlink port for + * + * Unregisters the virtual port associated with this subfunction. + */ +void ice_devlink_destroy_sf_dev_port(struct ice_sf_dev *sf_dev) +{ + devl_port_unregister(&sf_dev->priv->devlink_port); +} + /** * ice_dealloc_dynamic_port - Deallocate and remove a dynamic port * @dyn_port: dynamic port instance to deallocate diff --git a/drivers/net/ethernet/intel/ice/devlink/devlink_port.h b/drivers/net/ethernet/intel/ice/devlink/devlink_port.h index 08ebf56664a5..97b21b58c300 100644 --- a/drivers/net/ethernet/intel/ice/devlink/devlink_port.h +++ b/drivers/net/ethernet/intel/ice/devlink/devlink_port.h @@ -5,6 +5,7 @@ #define _DEVLINK_PORT_H_ #include "../ice.h" +#include "../ice_sf_eth.h" /** * struct ice_dynamic_port - Track dynamically added devlink port instance @@ -34,6 +35,8 @@ int ice_devlink_create_vf_port(struct ice_vf *vf); void ice_devlink_destroy_vf_port(struct ice_vf *vf); int ice_devlink_create_sf_port(struct ice_dynamic_port *dyn_port); void ice_devlink_destroy_sf_port(struct ice_dynamic_port *dyn_port); +int ice_devlink_create_sf_dev_port(struct ice_sf_dev *sf_dev); +void ice_devlink_destroy_sf_dev_port(struct ice_sf_dev *sf_dev); #define ice_devlink_port_to_dyn(port) \ container_of(port, struct ice_dynamic_port, devlink_port) diff --git a/drivers/net/ethernet/intel/ice/ice_sf_eth.h b/drivers/net/ethernet/intel/ice/ice_sf_eth.h new file mode 100644 index 000000000000..a08f8b2bceef --- /dev/null +++ b/drivers/net/ethernet/intel/ice/ice_sf_eth.h @@ -0,0 +1,21 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (c) 2024, Intel Corporation. */ + +#ifndef _ICE_SF_ETH_H_ +#define _ICE_SF_ETH_H_ + +#include <linux/auxiliary_bus.h> +#include "ice.h" + +struct ice_sf_dev { + struct auxiliary_device adev; + struct ice_dynamic_port *dyn_port; + struct ice_sf_priv *priv; +}; + +struct ice_sf_priv { + struct ice_sf_dev *dev; + struct devlink_port devlink_port; +}; + +#endif /* _ICE_SF_ETH_H_ */