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iommu/amd: Refactor protection_domain helper functions

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To removes the code to setup GCR3 table, and only handle domain
create / destroy, since GCR3 is no longer part of a domain.

Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Signed-off-by: Vasant Hegde <vasant.hegde@amd.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20240205115615.6053-13-vasant.hegde@amd.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Suravee Suthikulpanit 2024-02-05 11:56:10 +00:00 committed by Joerg Roedel
parent 4ebd4c7f25
commit fb575d1781
1 changed files with 3 additions and 11 deletions
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14
drivers/iommu/amd/iommu.c
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@ -2176,9 +2176,6 @@ static void protection_domain_free(struct protection_domain *domain)
if (domain->iop.pgtbl_cfg.tlb)
free_io_pgtable_ops(&domain->iop.iop.ops);
if (domain->flags & PD_IOMMUV2_MASK)
free_gcr3_table(domain);
if (domain->iop.root)
free_page((unsigned long)domain->iop.root);
@ -2206,15 +2203,10 @@ static int protection_domain_init_v1(struct protection_domain *domain, int mode)
return 0;
}
static int protection_domain_init_v2(struct protection_domain *domain)
static int protection_domain_init_v2(struct protection_domain *pdom)
{
domain->flags |= PD_GIOV_MASK;
domain->pd_mode = PD_MODE_V2;
domain->domain.pgsize_bitmap = AMD_IOMMU_PGSIZES_V2;
if (setup_gcr3_table(domain, 1))
return -ENOMEM;
pdom->pd_mode = PD_MODE_V2;
pdom->domain.pgsize_bitmap = AMD_IOMMU_PGSIZES_V2;
return 0;
}