Commit 972b812b authored by Horia Geantă's avatar Horia Geantă Committed by Herbert Xu

crypto: caam/qi - fix compilation with DEBUG enabled

caam/qi driver does not compile when DEBUG is enabled
(CRYPTO_DEV_FSL_CAAM_DEBUG=y):

drivers/crypto/caam/caamalg_qi.c: In function 'ablkcipher_done':
drivers/crypto/caam/caamalg_qi.c:794:2: error: implicit declaration of function 'dbg_dump_sg' [-Werror=implicit-function-declaration]
  dbg_dump_sg(KERN_ERR, "dst    @" __stringify(__LINE__)": ",

Since dbg_dump_sg() is shared between caam/jr and caam/qi, move it
in a shared location and export it.

At the same time:
-reduce ifdeferry by providing a no-op implementation for !DEBUG case
-rename it to caam_dump_sg() to be consistent in terms of
exported symbols namespace (caam_*)

Cc: <stable@vger.kernel.org>
Fixes: b189817c ("crypto: caam/qi - add ablkcipher and authenc algorithms")
Signed-off-by: default avatarHoria Geantă <horia.geanta@nxp.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 84ea9543
......@@ -81,40 +81,6 @@
#define debug(format, arg...)
#endif
#ifdef DEBUG
#include <linux/highmem.h>
static void dbg_dump_sg(const char *level, const char *prefix_str,
int prefix_type, int rowsize, int groupsize,
struct scatterlist *sg, size_t tlen, bool ascii)
{
struct scatterlist *it;
void *it_page;
size_t len;
void *buf;
for (it = sg; it != NULL && tlen > 0 ; it = sg_next(sg)) {
/*
* make sure the scatterlist's page
* has a valid virtual memory mapping
*/
it_page = kmap_atomic(sg_page(it));
if (unlikely(!it_page)) {
printk(KERN_ERR "dbg_dump_sg: kmap failed\n");
return;
}
buf = it_page + it->offset;
len = min_t(size_t, tlen, it->length);
print_hex_dump(level, prefix_str, prefix_type, rowsize,
groupsize, buf, len, ascii);
tlen -= len;
kunmap_atomic(it_page);
}
}
#endif
static struct list_head alg_list;
struct caam_alg_entry {
......@@ -898,10 +864,10 @@ static void ablkcipher_encrypt_done(struct device *jrdev, u32 *desc, u32 err,
print_hex_dump(KERN_ERR, "dstiv @"__stringify(__LINE__)": ",
DUMP_PREFIX_ADDRESS, 16, 4, req->info,
edesc->src_nents > 1 ? 100 : ivsize, 1);
dbg_dump_sg(KERN_ERR, "dst @"__stringify(__LINE__)": ",
DUMP_PREFIX_ADDRESS, 16, 4, req->dst,
edesc->dst_nents > 1 ? 100 : req->nbytes, 1);
#endif
caam_dump_sg(KERN_ERR, "dst @" __stringify(__LINE__)": ",
DUMP_PREFIX_ADDRESS, 16, 4, req->dst,
edesc->dst_nents > 1 ? 100 : req->nbytes, 1);
ablkcipher_unmap(jrdev, edesc, req);
......@@ -937,10 +903,10 @@ static void ablkcipher_decrypt_done(struct device *jrdev, u32 *desc, u32 err,
print_hex_dump(KERN_ERR, "dstiv @"__stringify(__LINE__)": ",
DUMP_PREFIX_ADDRESS, 16, 4, req->info,
ivsize, 1);
dbg_dump_sg(KERN_ERR, "dst @"__stringify(__LINE__)": ",
DUMP_PREFIX_ADDRESS, 16, 4, req->dst,
edesc->dst_nents > 1 ? 100 : req->nbytes, 1);
#endif
caam_dump_sg(KERN_ERR, "dst @" __stringify(__LINE__)": ",
DUMP_PREFIX_ADDRESS, 16, 4, req->dst,
edesc->dst_nents > 1 ? 100 : req->nbytes, 1);
ablkcipher_unmap(jrdev, edesc, req);
......@@ -1107,10 +1073,10 @@ static void init_ablkcipher_job(u32 *sh_desc, dma_addr_t ptr,
ivsize, 1);
pr_err("asked=%d, nbytes%d\n",
(int)edesc->src_nents > 1 ? 100 : req->nbytes, req->nbytes);
dbg_dump_sg(KERN_ERR, "src @"__stringify(__LINE__)": ",
DUMP_PREFIX_ADDRESS, 16, 4, req->src,
edesc->src_nents > 1 ? 100 : req->nbytes, 1);
#endif
caam_dump_sg(KERN_ERR, "src @" __stringify(__LINE__)": ",
DUMP_PREFIX_ADDRESS, 16, 4, req->src,
edesc->src_nents > 1 ? 100 : req->nbytes, 1);
len = desc_len(sh_desc);
init_job_desc_shared(desc, ptr, len, HDR_SHARE_DEFER | HDR_REVERSE);
......@@ -1164,10 +1130,10 @@ static void init_ablkcipher_giv_job(u32 *sh_desc, dma_addr_t ptr,
print_hex_dump(KERN_ERR, "presciv@" __stringify(__LINE__) ": ",
DUMP_PREFIX_ADDRESS, 16, 4, req->info,
ivsize, 1);
dbg_dump_sg(KERN_ERR, "src @" __stringify(__LINE__) ": ",
DUMP_PREFIX_ADDRESS, 16, 4, req->src,
edesc->src_nents > 1 ? 100 : req->nbytes, 1);
#endif
caam_dump_sg(KERN_ERR, "src @" __stringify(__LINE__) ": ",
DUMP_PREFIX_ADDRESS, 16, 4, req->src,
edesc->src_nents > 1 ? 100 : req->nbytes, 1);
len = desc_len(sh_desc);
init_job_desc_shared(desc, ptr, len, HDR_SHARE_DEFER | HDR_REVERSE);
......@@ -1449,11 +1415,9 @@ static int aead_decrypt(struct aead_request *req)
u32 *desc;
int ret = 0;
#ifdef DEBUG
dbg_dump_sg(KERN_ERR, "dec src@"__stringify(__LINE__)": ",
DUMP_PREFIX_ADDRESS, 16, 4, req->src,
req->assoclen + req->cryptlen, 1);
#endif
caam_dump_sg(KERN_ERR, "dec src@" __stringify(__LINE__)": ",
DUMP_PREFIX_ADDRESS, 16, 4, req->src,
req->assoclen + req->cryptlen, 1);
/* allocate extended descriptor */
edesc = aead_edesc_alloc(req, AUTHENC_DESC_JOB_IO_LEN,
......
......@@ -791,9 +791,9 @@ static void ablkcipher_done(struct caam_drv_req *drv_req, u32 status)
print_hex_dump(KERN_ERR, "dstiv @" __stringify(__LINE__)": ",
DUMP_PREFIX_ADDRESS, 16, 4, req->info,
edesc->src_nents > 1 ? 100 : ivsize, 1);
dbg_dump_sg(KERN_ERR, "dst @" __stringify(__LINE__)": ",
DUMP_PREFIX_ADDRESS, 16, 4, req->dst,
edesc->dst_nents > 1 ? 100 : req->nbytes, 1);
caam_dump_sg(KERN_ERR, "dst @" __stringify(__LINE__)": ",
DUMP_PREFIX_ADDRESS, 16, 4, req->dst,
edesc->dst_nents > 1 ? 100 : req->nbytes, 1);
#endif
ablkcipher_unmap(qidev, edesc, req);
......
......@@ -9,6 +9,46 @@
#include "desc.h"
#include "error.h"
#ifdef DEBUG
#include <linux/highmem.h>
void caam_dump_sg(const char *level, const char *prefix_str, int prefix_type,
int rowsize, int groupsize, struct scatterlist *sg,
size_t tlen, bool ascii)
{
struct scatterlist *it;
void *it_page;
size_t len;
void *buf;
for (it = sg; it && tlen > 0 ; it = sg_next(sg)) {
/*
* make sure the scatterlist's page
* has a valid virtual memory mapping
*/
it_page = kmap_atomic(sg_page(it));
if (unlikely(!it_page)) {
pr_err("caam_dump_sg: kmap failed\n");
return;
}
buf = it_page + it->offset;
len = min_t(size_t, tlen, it->length);
print_hex_dump(level, prefix_str, prefix_type, rowsize,
groupsize, buf, len, ascii);
tlen -= len;
kunmap_atomic(it_page);
}
}
#else
void caam_dump_sg(const char *level, const char *prefix_str, int prefix_type,
int rowsize, int groupsize, struct scatterlist *sg,
size_t tlen, bool ascii)
{}
#endif /* DEBUG */
EXPORT_SYMBOL(caam_dump_sg);
static const struct {
u8 value;
const char *error_text;
......
......@@ -8,4 +8,8 @@
#define CAAM_ERROR_H
#define CAAM_ERROR_STR_MAX 302
void caam_jr_strstatus(struct device *jrdev, u32 status);
void caam_dump_sg(const char *level, const char *prefix_str, int prefix_type,
int rowsize, int groupsize, struct scatterlist *sg,
size_t tlen, bool ascii);
#endif /* CAAM_ERROR_H */
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