crypto: inside-secure - Only enable algorithms advertised by the hardware

This patch probes the supported algorithms from the hardware and only
registers the ones that the hardware actually supports. This is necessary
because this is a generic driver supposed to run on a wide variety of
engines, which may or may not implement certain algorithms.

Signed-off-by: Pascal van Leeuwen <pvanleeuwen@verimatrix.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 12 insertions, 0 deletions

diff --git a/drivers/crypto/inside-secure/safexcel_hash.c b/drivers/crypto/inside-secure/safexcel_hash.c
index 626dd82e583f..e60838f2fa96 100644
--- a/drivers/crypto/inside-secure/safexcel_hash.c
+++ b/drivers/crypto/inside-secure/safexcel_hash.c
@@ -845,6 +845,7 @@ static void safexcel_ahash_cra_exit(struct crypto_tfm *tfm)
 
 struct safexcel_alg_template safexcel_alg_sha1 = {
         .type = SAFEXCEL_ALG_TYPE_AHASH,
+        .algo_mask = SAFEXCEL_ALG_SHA1,
         .alg.ahash = {
                 .init = safexcel_sha1_init,
                 .update = safexcel_ahash_update,
@@ -1085,6 +1086,7 @@ static int safexcel_hmac_sha1_setkey(struct crypto_ahash *tfm, const u8 *key,
 
 struct safexcel_alg_template safexcel_alg_hmac_sha1 = {
         .type = SAFEXCEL_ALG_TYPE_AHASH,
+        .algo_mask = SAFEXCEL_ALG_SHA1,
         .alg.ahash = {
                 .init = safexcel_hmac_sha1_init,
                 .update = safexcel_ahash_update,
@@ -1140,6 +1142,7 @@ static int safexcel_sha256_digest(struct ahash_request *areq)
 
 struct safexcel_alg_template safexcel_alg_sha256 = {
         .type = SAFEXCEL_ALG_TYPE_AHASH,
+        .algo_mask = SAFEXCEL_ALG_SHA2_256,
         .alg.ahash = {
                 .init = safexcel_sha256_init,
                 .update = safexcel_ahash_update,
@@ -1194,6 +1197,7 @@ static int safexcel_sha224_digest(struct ahash_request *areq)
 
 struct safexcel_alg_template safexcel_alg_sha224 = {
         .type = SAFEXCEL_ALG_TYPE_AHASH,
+        .algo_mask = SAFEXCEL_ALG_SHA2_256,
         .alg.ahash = {
                 .init = safexcel_sha224_init,
                 .update = safexcel_ahash_update,
@@ -1262,6 +1266,7 @@ static int safexcel_hmac_sha224_digest(struct ahash_request *areq)
 
 struct safexcel_alg_template safexcel_alg_hmac_sha224 = {
         .type = SAFEXCEL_ALG_TYPE_AHASH,
+        .algo_mask = SAFEXCEL_ALG_SHA2_256,
         .alg.ahash = {
                 .init = safexcel_hmac_sha224_init,
                 .update = safexcel_ahash_update,
@@ -1331,6 +1336,7 @@ static int safexcel_hmac_sha256_digest(struct ahash_request *areq)
 
 struct safexcel_alg_template safexcel_alg_hmac_sha256 = {
         .type = SAFEXCEL_ALG_TYPE_AHASH,
+        .algo_mask = SAFEXCEL_ALG_SHA2_256,
         .alg.ahash = {
                 .init = safexcel_hmac_sha256_init,
                 .update = safexcel_ahash_update,
@@ -1386,6 +1392,7 @@ static int safexcel_sha512_digest(struct ahash_request *areq)
 
 struct safexcel_alg_template safexcel_alg_sha512 = {
         .type = SAFEXCEL_ALG_TYPE_AHASH,
+        .algo_mask = SAFEXCEL_ALG_SHA2_512,
         .alg.ahash = {
                 .init = safexcel_sha512_init,
                 .update = safexcel_ahash_update,
@@ -1440,6 +1447,7 @@ static int safexcel_sha384_digest(struct ahash_request *areq)
 
 struct safexcel_alg_template safexcel_alg_sha384 = {
         .type = SAFEXCEL_ALG_TYPE_AHASH,
+        .algo_mask = SAFEXCEL_ALG_SHA2_512,
         .alg.ahash = {
                 .init = safexcel_sha384_init,
                 .update = safexcel_ahash_update,
@@ -1508,6 +1516,7 @@ static int safexcel_hmac_sha512_digest(struct ahash_request *areq)
 
 struct safexcel_alg_template safexcel_alg_hmac_sha512 = {
         .type = SAFEXCEL_ALG_TYPE_AHASH,
+        .algo_mask = SAFEXCEL_ALG_SHA2_512,
         .alg.ahash = {
                 .init = safexcel_hmac_sha512_init,
                 .update = safexcel_ahash_update,
@@ -1577,6 +1586,7 @@ static int safexcel_hmac_sha384_digest(struct ahash_request *areq)
 
 struct safexcel_alg_template safexcel_alg_hmac_sha384 = {
         .type = SAFEXCEL_ALG_TYPE_AHASH,
+        .algo_mask = SAFEXCEL_ALG_SHA2_512,
         .alg.ahash = {
                 .init = safexcel_hmac_sha384_init,
                 .update = safexcel_ahash_update,
@@ -1632,6 +1642,7 @@ static int safexcel_md5_digest(struct ahash_request *areq)
 
 struct safexcel_alg_template safexcel_alg_md5 = {
         .type = SAFEXCEL_ALG_TYPE_AHASH,
+        .algo_mask = SAFEXCEL_ALG_MD5,
         .alg.ahash = {
                 .init = safexcel_md5_init,
                 .update = safexcel_ahash_update,
@@ -1701,6 +1712,7 @@ static int safexcel_hmac_md5_digest(struct ahash_request *areq)
 
 struct safexcel_alg_template safexcel_alg_hmac_md5 = {
         .type = SAFEXCEL_ALG_TYPE_AHASH,
+        .algo_mask = SAFEXCEL_ALG_MD5,
         .alg.ahash = {
                 .init = safexcel_hmac_md5_init,
                 .update = safexcel_ahash_update,