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iommu: Remove ops->pgsize_bitmap

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No driver uses it now, remove the core code.

Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Tested-by: Nicolin Chen <nicolinc@nvidia.com>
Link: https://lore.kernel.org/r/7-v2-68a2e1ba507c+1fb-iommu_rm_ops_pgsize_jgg@nvidia.com
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
This commit is contained in:
Jason Gunthorpe 2025-06-09 17:41:31 -03:00 • committed by Joerg Roedel
parent 53b76df062
commit 792ea7b6ca
2 changed files with 0 additions and 9 deletions
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7
drivers/iommu/iommu.c
View file

@ -2002,13 +2002,6 @@ static void iommu_domain_init(struct iommu_domain *domain, unsigned int type,
domain->owner = ops;
if (!domain->ops)
domain->ops = ops->default_domain_ops;
/*
* If not already set, assume all sizes by default; the driver
* may override this later
*/
if (!domain->pgsize_bitmap)
domain->pgsize_bitmap = ops->pgsize_bitmap;
}
static struct iommu_domain *

2
include/linux/iommu.h
View file

@ -604,7 +604,6 @@ iommu_copy_struct_from_full_user_array(void *kdst, size_t kdst_entry_size,
* It is required to call iommufd_viommu_alloc() helper for
* a bundled allocation of the core and the driver structures,
* using the given @ictx pointer.
* @pgsize_bitmap: bitmap of all possible supported page sizes
* @owner: Driver module providing these ops
* @identity_domain: An always available, always attachable identity
* translation.
@ -659,7 +658,6 @@ struct iommu_ops {
struct iommufd_ctx *ictx, unsigned int viommu_type);
const struct iommu_domain_ops *default_domain_ops;
unsigned long pgsize_bitmap;
struct module *owner;
struct iommu_domain *identity_domain;
struct iommu_domain *blocked_domain;