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ice: Get resources per function

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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: Brett Creeley <brett.creeley@intel.com>
Reviewed-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Brett Creeley 2019-02-08 12:50:57 -08:00 committed by Jeff Kirsher
parent 1c44e3bce1
commit 7a1f711175
1 changed files with 8 additions and 5 deletions

13
drivers/net/ethernet/intel/ice/ice_common.c
View File

@ -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);