From 2d4d1eea540b27c72488fd1914674c42473d53df Mon Sep 17 00:00:00 2001 From: Tadeusz Struk Date: Thu, 8 Oct 2015 09:26:50 -0700 Subject: lib/mpi: Add mpi sgl helpers Add mpi_read_raw_from_sgl and mpi_write_to_sgl helpers. Signed-off-by: Tadeusz Struk Signed-off-by: Herbert Xu --- include/linux/mpi.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'include/linux/mpi.h') diff --git a/include/linux/mpi.h b/include/linux/mpi.h index 641b7d6fd096..8b8269fa8907 100644 --- a/include/linux/mpi.h +++ b/include/linux/mpi.h @@ -31,6 +31,7 @@ #define G10_MPI_H #include +#include /* DSI defines */ @@ -78,6 +79,7 @@ void mpi_swap(MPI a, MPI b); MPI do_encode_md(const void *sha_buffer, unsigned nbits); MPI mpi_read_raw_data(const void *xbuffer, size_t nbytes); MPI mpi_read_from_buffer(const void *buffer, unsigned *ret_nread); +MPI mpi_read_raw_from_sgl(struct scatterlist *sgl, unsigned int len); int mpi_fromstr(MPI val, const char *str); u32 mpi_get_keyid(MPI a, u32 *keyid); void *mpi_get_buffer(MPI a, unsigned *nbytes, int *sign); @@ -85,6 +87,8 @@ int mpi_read_buffer(MPI a, uint8_t *buf, unsigned buf_len, unsigned *nbytes, int *sign); void *mpi_get_secure_buffer(MPI a, unsigned *nbytes, int *sign); int mpi_set_buffer(MPI a, const void *buffer, unsigned nbytes, int sign); +int mpi_write_to_sgl(MPI a, struct scatterlist *sg, unsigned *nbytes, + int *sign); #define log_mpidump g10_log_mpidump -- cgit v1.2.3