Commit 3a0944c5 authored by Andrey Smirnov's avatar Andrey Smirnov Committed by Herbert Xu

crypto: caam - share definition for MAX_SDLEN

Both qi.h and cammalg_qi2.h seem to define identical versions of
MAX_SDLEN. Move it to desc_constr.h to avoid duplication.
Signed-off-by: default avatarAndrey Smirnov <andrew.smirnov@gmail.com>
Cc: Chris Spencer <christopher.spencer@sea.co.uk>
Cc: Cory Tusar <cory.tusar@zii.aero>
Cc: Chris Healy <cphealy@gmail.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Horia Geantă <horia.geanta@nxp.com>
Cc: Aymen Sghaier <aymen.sghaier@nxp.com>
Cc: Leonard Crestez <leonard.crestez@nxp.com>
Cc: linux-crypto@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 6e05542f
......@@ -92,33 +92,6 @@ struct dpaa2_caam_priv_per_cpu {
struct dpaa2_io *dpio;
};
/*
* The CAAM QI hardware constructs a job descriptor which points
* to shared descriptor (as pointed by context_a of FQ to CAAM).
* When the job descriptor is executed by deco, the whole job
* descriptor together with shared descriptor gets loaded in
* deco buffer which is 64 words long (each 32-bit).
*
* The job descriptor constructed by QI hardware has layout:
*
* HEADER (1 word)
* Shdesc ptr (1 or 2 words)
* SEQ_OUT_PTR (1 word)
* Out ptr (1 or 2 words)
* Out length (1 word)
* SEQ_IN_PTR (1 word)
* In ptr (1 or 2 words)
* In length (1 word)
*
* The shdesc ptr is used to fetch shared descriptor contents
* into deco buffer.
*
* Apart from shdesc contents, the total number of words that
* get loaded in deco buffer are '8' or '11'. The remaining words
* in deco buffer can be used for storing shared descriptor.
*/
#define MAX_SDLEN ((CAAM_DESC_BYTES_MAX - DESC_JOB_IO_LEN) / CAAM_CMD_SZ)
/* Length of a single buffer in the QI driver memory cache */
#define CAAM_QI_MEMCACHE_SIZE 512
......
......@@ -18,6 +18,33 @@
#define CAAM_DESC_BYTES_MAX (CAAM_CMD_SZ * MAX_CAAM_DESCSIZE)
#define DESC_JOB_IO_LEN (CAAM_CMD_SZ * 5 + CAAM_PTR_SZ * 3)
/*
* The CAAM QI hardware constructs a job descriptor which points
* to shared descriptor (as pointed by context_a of FQ to CAAM).
* When the job descriptor is executed by deco, the whole job
* descriptor together with shared descriptor gets loaded in
* deco buffer which is 64 words long (each 32-bit).
*
* The job descriptor constructed by QI hardware has layout:
*
* HEADER (1 word)
* Shdesc ptr (1 or 2 words)
* SEQ_OUT_PTR (1 word)
* Out ptr (1 or 2 words)
* Out length (1 word)
* SEQ_IN_PTR (1 word)
* In ptr (1 or 2 words)
* In length (1 word)
*
* The shdesc ptr is used to fetch shared descriptor contents
* into deco buffer.
*
* Apart from shdesc contents, the total number of words that
* get loaded in deco buffer are '8' or '11'. The remaining words
* in deco buffer can be used for storing shared descriptor.
*/
#define MAX_SDLEN ((CAAM_DESC_BYTES_MAX - DESC_JOB_IO_LEN) / CAAM_CMD_SZ)
#ifdef DEBUG
#define PRINT_POS do { printk(KERN_DEBUG "%02d: %s\n", desc_len(desc),\
&__func__[sizeof("append")]); } while (0)
......
......@@ -14,32 +14,6 @@
#include "desc.h"
#include "desc_constr.h"
/*
* CAAM hardware constructs a job descriptor which points to a shared descriptor
* (as pointed by context_a of to-CAAM FQ).
* When the job descriptor is executed by DECO, the whole job descriptor
* together with shared descriptor gets loaded in DECO buffer, which is
* 64 words (each 32-bit) long.
*
* The job descriptor constructed by CAAM hardware has the following layout:
*
* HEADER (1 word)
* Shdesc ptr (1 or 2 words)
* SEQ_OUT_PTR (1 word)
* Out ptr (1 or 2 words)
* Out length (1 word)
* SEQ_IN_PTR (1 word)
* In ptr (1 or 2 words)
* In length (1 word)
*
* The shdesc ptr is used to fetch shared descriptor contents into DECO buffer.
*
* Apart from shdesc contents, the total number of words that get loaded in DECO
* buffer are '8' or '11'. The remaining words in DECO buffer can be used for
* storing shared descriptor.
*/
#define MAX_SDLEN ((CAAM_DESC_BYTES_MAX - DESC_JOB_IO_LEN) / CAAM_CMD_SZ)
/* Length of a single buffer in the QI driver memory cache */
#define CAAM_QI_MEMCACHE_SIZE 768
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment