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Commit 524f1bd9 authored by Andrei Varvara's avatar Andrei Varvara Committed by Herbert Xu
Browse files

crypto: caam - Fix STORE command to support overwriting Shared Descriptor's memory 



In case Store command is used with overwrite Shared Descriptor
feature there is no need for pointer, it is using the
address from which the Shared Descriptor was fetched.

Signed-off-by: default avatarAndrei Varvara <andrei.varvara@freescale.com>
Reviewed-by: default avatarPhillips Kim-R1AAHA <Kim.Phillips@freescale.com>
Reviewed-by: default avatarFleming Andrew-AFLEMING <AFLEMING@freescale.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent e2d4ea94

drivers/crypto/caam/desc_constr.h

+17 −1
Original line number Diff line number Diff line
@@ -177,10 +177,26 @@ static inline void append_##cmd(u32 *desc, dma_addr_t ptr, unsigned int len, \ 
}

APPEND_CMD_PTR(key, KEY)

APPEND_CMD_PTR(load, LOAD)

APPEND_CMD_PTR(store, STORE)

APPEND_CMD_PTR(fifo_load, FIFO_LOAD)

APPEND_CMD_PTR(fifo_store, FIFO_STORE)



static inline void append_store(u32 *desc, dma_addr_t ptr, unsigned int len,

				u32 options)

{

	u32 cmd_src;



	cmd_src = options & LDST_SRCDST_MASK;



	append_cmd(desc, CMD_STORE | options | len);



	/* The following options do not require pointer */

	if (!(cmd_src == LDST_SRCDST_WORD_DESCBUF_SHARED ||

	      cmd_src == LDST_SRCDST_WORD_DESCBUF_JOB    ||

	      cmd_src == LDST_SRCDST_WORD_DESCBUF_JOB_WE ||

	      cmd_src == LDST_SRCDST_WORD_DESCBUF_SHARED_WE))

		append_ptr(desc, ptr);

}



#define APPEND_SEQ_PTR_INTLEN(cmd, op) \

static inline void append_seq_##cmd##_ptr_intlen(u32 *desc, dma_addr_t ptr, \

						 unsigned int len, \