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Commit 7a1f7111 authored by Brett Creeley's avatar Brett Creeley Committed by Jeff Kirsher
Browse files

ice: Get resources per function 



ice_get_guar_num_vsi currently calculates the number of VSIs per PF.
Rework this into a general function ice_get_num_per_func, that can
calculate per PF allocations for not just VSIs but across multiple
resource types.

Signed-off-by: default avatarBrett Creeley <brett.creeley@intel.com>
Reviewed-by: default avatarBruce Allan <bruce.w.allan@intel.com>
Signed-off-by: default avatarAnirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: default avatarAndrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
parent 1c44e3bc

drivers/net/ethernet/intel/ice/ice_common.c

+8 −5
Original line number Diff line number Diff line
@@ -1415,13 +1415,15 @@ void ice_release_res(struct ice_hw *hw, enum ice_aq_res_ids res) 
}



/**

 * ice_get_guar_num_vsi - determine number of guar VSI for a PF

 * ice_get_num_per_func - determine number of resources per PF

 * @hw: pointer to the hw structure

 * @max: value to be evenly split between each PF

 *

 * Determine the number of valid functions by going through the bitmap returned

 * from parsing capabilities and use this to calculate the number of VSI per PF.

 * from parsing capabilities and use this to calculate the number of resources

 * per PF based on the max value passed in.

 */

static u32 ice_get_guar_num_vsi(struct ice_hw *hw)

static u32 ice_get_num_per_func(struct ice_hw *hw, u32 max)

{

	u8 funcs;
@@ -1432,7 +1434,7 @@ static u32 ice_get_guar_num_vsi(struct ice_hw *hw) 
	if (!funcs)

		return 0;



	return ICE_MAX_VSI / funcs;

	return max / funcs;

}



/**
@@ -1512,7 +1514,8 @@ ice_parse_caps(struct ice_hw *hw, void *buf, u32 cap_count, 
					  "HW caps: Dev.VSI cnt = %d\n",

					  dev_p->num_vsi_allocd_to_host);

			} else if (func_p) {

				func_p->guar_num_vsi = ice_get_guar_num_vsi(hw);

				func_p->guar_num_vsi =

					ice_get_num_per_func(hw, ICE_MAX_VSI);

				ice_debug(hw, ICE_DBG_INIT,

					  "HW caps: Func.VSI cnt = %d\n",

					  number);