linux.git/drivers/crypto/caam/caamalg.c, branch v3.17 Linux kernel source tree crypto: caam - set DK (Decrypt Key) bit only for AES accelerator 2014-07-23T13:31:36+00:00 Horia Geanta horia.geanta@freescale.com 2014-07-11T12:46:58+00:00 a60384dfff3df41e86431974e5f9807773332d9e AES currently shares descriptor creation functions with DES and 3DES. DK bit is set in all cases, however it is valid only for the AES accelerator. Signed-off-by: Horia Geanta <horia.geanta@freescale.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> 
AES currently shares descriptor creation functions with DES and 3DES.
DK bit is set in all cases, however it is valid only for
the AES accelerator.

Signed-off-by: Horia Geanta <horia.geanta@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
crypto: caam - fix "failed to check map error" DMA warnings 2014-07-23T13:28:43+00:00 Horia Geanta horia.geanta@freescale.com 2014-07-11T12:34:49+00:00 ce572085282128d57324aabf415673dfbfa32d54 Use dma_mapping_error for every dma_map_single / dma_map_page. Signed-off-by: Horia Geanta <horia.geanta@freescale.com> Acked-by: Kim Phillips <kim.phillips@freescale.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> 
Use dma_mapping_error for every dma_map_single / dma_map_page.

Signed-off-by: Horia Geanta <horia.geanta@freescale.com>
Acked-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
crypto: caam - fix typo in dma_mapping_error 2014-07-23T13:28:43+00:00 Horia Geanta horia.geanta@freescale.com 2014-07-11T12:34:48+00:00 71c65f7c90a176877ad1aa87b752217db61148a8 dma_mapping_error checks for an incorrect DMA address: s/ctx->sh_desc_enc_dma/ctx->sh_desc_dec_dma Signed-off-by: Horia Geanta <horia.geanta@freescale.com> Acked-by: Kim Phillips <kim.phillips@freescale.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> 
dma_mapping_error checks for an incorrect DMA address:
s/ctx->sh_desc_enc_dma/ctx->sh_desc_dec_dma

Signed-off-by: Horia Geanta <horia.geanta@freescale.com>
Acked-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
crypto: caam - Check for CAAM block presence before registering with crypto layer 2014-07-10T08:50:33+00:00 Ruchika Gupta ruchika.gupta@freescale.com 2014-07-07T05:12:12+00:00 35af64038623865015d1786360cdbbcc2e72d78b The layer which registers with the crypto API should check for the presence of the CAAM device it is going to use. If the platform's device tree doesn't have the required CAAM node, the layer should return an error and not register the algorithms with crypto API layer. Signed-off-by: Ruchika Gupta <ruchika.gupta@freescale.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> 
The layer which registers with the crypto API should check for the presence of
the CAAM device it is going to use.  If the platform's device tree doesn't have
the required CAAM node, the layer should return an error and not register the
algorithms with crypto API layer.

Signed-off-by: Ruchika Gupta <ruchika.gupta@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
crypto: caam - Correct the dma mapping for sg table 2014-06-25T13:38:41+00:00 Ruchika Gupta ruchika.gupta@freescale.com 2014-06-23T14:20:26+00:00 1da2be33ad4c30a2b1d5fe3053b5b7f63e6e2baa At few places in caamhash and caamalg, after allocating a dmable buffer for sg table , the buffer was being modified. As per definition of DMA_FROM_DEVICE ,afer allocation the memory should be treated as read-only by the driver. This patch shifts the allocation of dmable buffer for sg table after it is populated by the driver, making it read-only as per the DMA API's requirement. Signed-off-by: Ruchika Gupta <ruchika.gupta@freescale.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> 
At few places in caamhash and caamalg, after allocating a dmable
buffer for sg table , the buffer was being modified.  As per
definition of DMA_FROM_DEVICE ,afer allocation the memory should
be treated as read-only by the driver. This patch shifts the
allocation of dmable buffer for sg table after it is populated
by the  driver, making it read-only as per the DMA API's requirement.

Signed-off-by: Ruchika Gupta <ruchika.gupta@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
crypto: caam - reinitialize keys_fit_inline for decrypt and givencrypt 2014-05-13T11:43:46+00:00 Vakul Garg vakul@freescale.com 2014-05-10T01:34:40+00:00 80cd88f2f54a01c8cdb459a3ee0569b25bb3d26a Re-initialize keys_fit_inline to avoid using its stale encrypt() shared descriptor value prior to building descriptors for the decrypt() and givencrypt() cases. Signed-off-by: Vakul Garg <vakul@freescale.com> [reworded commit text, enhanced code readability] Signed-off-by: Kim Phillips <kim.phillips@freescale.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> 
Re-initialize keys_fit_inline to avoid using its stale encrypt() shared
descriptor value prior to building descriptors for the decrypt() and
givencrypt() cases.

Signed-off-by: Vakul Garg <vakul@freescale.com>
[reworded commit text, enhanced code readability]
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
crypto: caam - Contain caam_jr_strstatus() ugliness 2014-05-08T13:58:06+00:00 Marek Vasut marex@denx.de 2014-04-24T18:05:12+00:00 fa9659cd4d3f40cead6263986cc235f3e67ab872 The tentacles of this function were firmly attached to various places in the CAAM code. Just cut them, or this cthulhu function will sprout them anew. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Herbert Xu <herbert@gondor.apana.org.au> Cc: Horia Geanta <horia.geanta@freescale.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> 
The tentacles of this function were firmly attached to various
places in the CAAM code. Just cut them, or this cthulhu function
will sprout them anew.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Horia Geanta <horia.geanta@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
crypto: caam - add missing key_dma unmap 2014-03-21T13:54:28+00:00 Horia Geanta horia.geanta@freescale.com 2014-03-14T15:48:30+00:00 ec31eed754e2fd43938e72ef9e1b60aa55ccb417 (struct caam_ctx) ctx->key_dma needs to be unmapped when context is cleaned up. Signed-off-by: Horia Geanta <horia.geanta@freescale.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> 
(struct caam_ctx) ctx->key_dma needs to be unmapped
when context is cleaned up.

Signed-off-by: Horia Geanta <horia.geanta@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
crypto: caam - add support for aead null encryption 2014-03-21T13:54:27+00:00 Horia Geanta horia.geanta@freescale.com 2014-03-14T15:46:52+00:00 ae4a825ffdd6fd769af2667e03070940af1b8368 Add support for the following combinations: -encryption: null -authentication: md5, sha* (1, 224, 256, 384, 512) Signed-off-by: Tudor Ambarus <tudor.ambarus@freescale.com> Signed-off-by: Horia Geanta <horia.geanta@freescale.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> 
Add support for the following combinations:
-encryption: null
-authentication: md5, sha* (1, 224, 256, 384, 512)

Signed-off-by: Tudor Ambarus <tudor.ambarus@freescale.com>
Signed-off-by: Horia Geanta <horia.geanta@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
crypto: caam - remove error propagation handling 2014-03-21T13:54:24+00:00 Horia Geanta horia.geanta@freescale.com 2014-03-14T15:46:49+00:00 4464a7d4f53d756101291da26563f37f7fce40f3 Commit 61bb86bba169507a5f223b94b9176c32c84b4721 ("crypto: caam - set descriptor sharing type to SERIAL") changed the descriptor sharing mode from SHARE_WAIT to SHARE_SERIAL. All descriptor commands that handle the "ok to share" and "error propagation" settings should also go away, since they have no meaning for SHARE_SERIAL. Signed-off-by: Horia Geanta <horia.geanta@freescale.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> 
Commit 61bb86bba169507a5f223b94b9176c32c84b4721
("crypto: caam - set descriptor sharing type to SERIAL")
changed the descriptor sharing mode from SHARE_WAIT to SHARE_SERIAL.

All descriptor commands that handle the "ok to share" and
"error propagation" settings should also go away, since they have no
meaning for SHARE_SERIAL.

Signed-off-by: Horia Geanta <horia.geanta@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>