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io-pgtable-fast: Implement the map_pages() callback

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Implement the map_pages() callback for fastmap.

Change-Id: Icce8f827a52f08f64967aa86c64145d243754d69
Signed-off-by: Isaac J. Manjarres <isaacm@codeaurora.org>
This commit is contained in:
Isaac J. Manjarres
2021-04-01 23:54:30 -07:00
parent 64b076ca2b
commit 61762de63a
1 changed files with 13 additions and 0 deletions
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13
drivers/iommu/io-pgtable-fast.c
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@ -271,6 +271,18 @@ int av8l_fast_map_public(struct io_pgtable_ops *ops, unsigned long iova,
return av8l_fast_map(ops, iova, paddr, size, prot, GFP_ATOMIC);
}
static int av8l_fast_map_pages(struct io_pgtable_ops *ops, unsigned long iova,
phys_addr_t paddr, size_t pgsize, size_t pgcount,
int prot, gfp_t gfp, size_t *mapped)
{
int ret = av8l_fast_map(ops, iova, paddr, pgsize * pgcount, prot, gfp);
if (!ret)
*mapped = pgsize * pgcount;
return ret;
}
static size_t
__av8l_fast_unmap(struct io_pgtable_ops *ops, unsigned long iova,
size_t size, bool allow_stale_tlb)
@ -413,6 +425,7 @@ av8l_fast_alloc_pgtable_data(struct io_pgtable_cfg *cfg)
data->iop.ops = (struct io_pgtable_ops) {
.map = av8l_fast_map,
.map_pages = av8l_fast_map_pages,
.map_sg = av8l_fast_map_sg,
.unmap = av8l_fast_unmap,
.unmap_pages = av8l_fast_unmap_pages,