[PATCH v2 03/10] iommu/arm-smmu-v3: Add arm_smmu_strtab_l1/2_idx()

[Nicolin Chen]

On Mon, Jun 10, 2024 at 09:31:12PM -0300, Jason Gunthorpe wrote:
> Don't open code the calculations of the indexes for each level, provide
> two functions to do that math and call them in all the places. Update all
> the places computing indexes.
> 
> Calculate the L1 table size directly based on the max required index from
> the cap. Remove STRTAB_L1_SZ_SHIFT in favour of STRTAB_NUM_L2_STES.
> 
> Use STRTAB_NUM_L2_STES to replace remaining open coded 1 << STRTAB_SPLIT.
> 
> Signed-off-by: Jason Gunthorpe <jgg at nvidia.com>

Reviewed-by: Nicolin Chen <nicolinc at nvidia.com>