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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: Andrei Varvara <andrei.varvara@freescale.com> Reviewed-by: Phillips Kim-R1AAHA <Kim.Phillips@freescale.com> Reviewed-by: Fleming Andrew-AFLEMING <AFLEMING@freescale.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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1 changed files with 17 additions and 1 deletions
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@ -177,10 +177,26 @@ static inline void append_##cmd(u32 *desc, dma_addr_t ptr, unsigned int len, \
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}
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APPEND_CMD_PTR(key, KEY)
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APPEND_CMD_PTR(load, LOAD)
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APPEND_CMD_PTR(store, STORE)
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APPEND_CMD_PTR(fifo_load, FIFO_LOAD)
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APPEND_CMD_PTR(fifo_store, FIFO_STORE)
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static inline void append_store(u32 *desc, dma_addr_t ptr, unsigned int len,
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u32 options)
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{
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u32 cmd_src;
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cmd_src = options & LDST_SRCDST_MASK;
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append_cmd(desc, CMD_STORE | options | len);
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/* The following options do not require pointer */
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if (!(cmd_src == LDST_SRCDST_WORD_DESCBUF_SHARED ||
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cmd_src == LDST_SRCDST_WORD_DESCBUF_JOB ||
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cmd_src == LDST_SRCDST_WORD_DESCBUF_JOB_WE ||
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cmd_src == LDST_SRCDST_WORD_DESCBUF_SHARED_WE))
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append_ptr(desc, ptr);
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}
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#define APPEND_SEQ_PTR_INTLEN(cmd, op) \
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static inline void append_seq_##cmd##_ptr_intlen(u32 *desc, dma_addr_t ptr, \
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unsigned int len, \
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