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| H A D | fobj.c | aad1cf6bbe80ed145f48e8650b96119d835ee0a0 Mon Jan 25 10:39:12 UTC 2021 Jens Wiklander <jens.wiklander@linaro.org> core: fobj_rw_paged_alloc() store tags and IVs in paged area
fobj_rw_paged_alloc() is updated to store tags and IVs in a designated
paged area instead of storing them in the heap. This avoids large heap
allocations which also would suffer from a fragmented heap.
The previous ops_rw_paged and struct fobj_rwp are now replaced by
ops_rwp_unpaged_iv and struct fobj_rwp_unpaged_iv respectively. These
are now only used to support the area where other tags and IVs are
stored.
A new ops_rwp_paged_iv and struct fobj_rwp_paged_iv are added for
using the designated paged area.
A fobj based on the ops_rwp_unpaged_iv ops is allocated and registered
with the pager via a callback registered with driver_init_late().
This effectively enables paging of IV and tags for pages mapping a TA.
Acked-by: Etienne Carriere <etienne.carriere@linaro.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
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