From: Yuan Kang <Yuan.Kang@xxxxxxxxxxxxx>
caam_ctx.key_phys to key_dma
caam_alg_template supports multiple algorithm types
listed in union, which requires cases for
different types in function caam_alg_alloc
Signed-off-by: Yuan Kang <Yuan.Kang@xxxxxxxxxxxxx>
Signed-off-by: Kim Phillips <kim.phillips@xxxxxxxxxxxxx>
---
drivers/crypto/caam/caamalg.c | 64 +++++++++++++++++++++++++++-------------
1 files changed, 43 insertions(+), 21 deletions(-)
diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c
index 4786a20..403b293 100644
--- a/drivers/crypto/caam/caamalg.c
+++ b/drivers/crypto/caam/caamalg.c
@@ -87,7 +87,7 @@ struct caam_ctx {
u32 class2_alg_type;
u32 alg_op;
u8 *key;
- dma_addr_t key_phys;
+ dma_addr_t key_dma;
unsigned int enckeylen;
unsigned int split_key_len;
unsigned int split_key_pad_len;
@@ -263,9 +263,9 @@ static int build_sh_desc_ipsec(struct caam_ctx *ctx)
ctx->split_key_pad_len, ctx->enckeylen,
ctx->enckeylen, CLASS_1 | KEY_DEST_CLASS_REG);
} else {
- append_key(sh_desc, ctx->key_phys, ctx->split_key_len, CLASS_2 |
+ append_key(sh_desc, ctx->key_dma, ctx->split_key_len, CLASS_2 |
KEY_DEST_MDHA_SPLIT | KEY_ENC);
- append_key(sh_desc, ctx->key_phys + ctx->split_key_pad_len,
+ append_key(sh_desc, ctx->key_dma + ctx->split_key_pad_len,
ctx->enckeylen, CLASS_1 | KEY_DEST_CLASS_REG);
}
@@ -342,9 +342,9 @@ static int aead_setkey(struct crypto_aead *aead,
/* postpend encryption key to auth split key */
memcpy(ctx->key + ctx->split_key_pad_len, key + authkeylen, enckeylen);
- ctx->key_phys = dma_map_single(jrdev, ctx->key, ctx->split_key_pad_len +
+ ctx->key_dma = dma_map_single(jrdev, ctx->key, ctx->split_key_pad_len +
enckeylen, DMA_TO_DEVICE);
- if (dma_mapping_error(jrdev, ctx->key_phys)) {
+ if (dma_mapping_error(jrdev, ctx->key_dma)) {
dev_err(jrdev, "unable to map key i/o memory\n");
kfree(ctx->key);
return -ENOMEM;
@@ -359,7 +359,7 @@ static int aead_setkey(struct crypto_aead *aead,
ret = build_sh_desc_ipsec(ctx);
if (ret) {
- dma_unmap_single(jrdev, ctx->key_phys, ctx->split_key_pad_len +
+ dma_unmap_single(jrdev, ctx->key_dma, ctx->split_key_pad_len +
enckeylen, DMA_TO_DEVICE);
kfree(ctx->key);
}
@@ -884,11 +884,20 @@ static int aead_givencrypt(struct aead_givcrypt_request *areq)
return init_aead_job(edesc, req, OP_ALG_ENCRYPT, aead_encrypt_done);
}
+#define template_aead template_u.aead
struct caam_alg_template {
char name[CRYPTO_MAX_ALG_NAME];
char driver_name[CRYPTO_MAX_ALG_NAME];
unsigned int blocksize;
- struct aead_alg aead;
+ u32 type;
+ union {
+ struct ablkcipher_alg ablkcipher;
+ struct aead_alg aead;
+ struct blkcipher_alg blkcipher;
+ struct cipher_alg cipher;
+ struct compress_alg compress;
+ struct rng_alg rng;
+ } template_u;
u32 class1_alg_type;
u32 class2_alg_type;
u32 alg_op;
@@ -900,7 +909,8 @@ static struct caam_alg_template driver_algs[] = {
.name = "authenc(hmac(sha1),cbc(aes))",
.driver_name = "authenc-hmac-sha1-cbc-aes-caam",
.blocksize = AES_BLOCK_SIZE,
- .aead = {
+ .type = CRYPTO_ALG_TYPE_AEAD,
+ .template_aead = {
.setkey = aead_setkey,
.setauthsize = aead_setauthsize,
.encrypt = aead_encrypt,
@@ -918,7 +928,8 @@ static struct caam_alg_template driver_algs[] = {
.name = "authenc(hmac(sha256),cbc(aes))",
.driver_name = "authenc-hmac-sha256-cbc-aes-caam",
.blocksize = AES_BLOCK_SIZE,
- .aead = {
+ .type = CRYPTO_ALG_TYPE_AEAD,
+ .template_aead = {
.setkey = aead_setkey,
.setauthsize = aead_setauthsize,
.encrypt = aead_encrypt,
@@ -937,7 +948,8 @@ static struct caam_alg_template driver_algs[] = {
.name = "authenc(hmac(sha512),cbc(aes))",
.driver_name = "authenc-hmac-sha512-cbc-aes-caam",
.blocksize = AES_BLOCK_SIZE,
- .aead = {
+ .type = CRYPTO_ALG_TYPE_AEAD,
+ .template_aead = {
.setkey = aead_setkey,
.setauthsize = aead_setauthsize,
.encrypt = aead_encrypt,
@@ -956,7 +968,8 @@ static struct caam_alg_template driver_algs[] = {
.name = "authenc(hmac(sha1),cbc(des3_ede))",
.driver_name = "authenc-hmac-sha1-cbc-des3_ede-caam",
.blocksize = DES3_EDE_BLOCK_SIZE,
- .aead = {
+ .type = CRYPTO_ALG_TYPE_AEAD,
+ .template_aead = {
.setkey = aead_setkey,
.setauthsize = aead_setauthsize,
.encrypt = aead_encrypt,
@@ -974,7 +987,8 @@ static struct caam_alg_template driver_algs[] = {
.name = "authenc(hmac(sha256),cbc(des3_ede))",
.driver_name = "authenc-hmac-sha256-cbc-des3_ede-caam",
.blocksize = DES3_EDE_BLOCK_SIZE,
- .aead = {
+ .type = CRYPTO_ALG_TYPE_AEAD,
+ .template_aead = {
.setkey = aead_setkey,
.setauthsize = aead_setauthsize,
.encrypt = aead_encrypt,
@@ -993,7 +1007,8 @@ static struct caam_alg_template driver_algs[] = {
.name = "authenc(hmac(sha512),cbc(des3_ede))",
.driver_name = "authenc-hmac-sha512-cbc-des3_ede-caam",
.blocksize = DES3_EDE_BLOCK_SIZE,
- .aead = {
+ .type = CRYPTO_ALG_TYPE_AEAD,
+ .template_aead = {
.setkey = aead_setkey,
.setauthsize = aead_setauthsize,
.encrypt = aead_encrypt,
@@ -1012,7 +1027,8 @@ static struct caam_alg_template driver_algs[] = {
.name = "authenc(hmac(sha1),cbc(des))",
.driver_name = "authenc-hmac-sha1-cbc-des-caam",
.blocksize = DES_BLOCK_SIZE,
- .aead = {
+ .type = CRYPTO_ALG_TYPE_AEAD,
+ .template_aead = {
.setkey = aead_setkey,
.setauthsize = aead_setauthsize,
.encrypt = aead_encrypt,
@@ -1030,7 +1046,8 @@ static struct caam_alg_template driver_algs[] = {
.name = "authenc(hmac(sha256),cbc(des))",
.driver_name = "authenc-hmac-sha256-cbc-des-caam",
.blocksize = DES_BLOCK_SIZE,
- .aead = {
+ .type = CRYPTO_ALG_TYPE_AEAD,
+ .template_aead = {
.setkey = aead_setkey,
.setauthsize = aead_setauthsize,
.encrypt = aead_encrypt,
@@ -1049,7 +1066,8 @@ static struct caam_alg_template driver_algs[] = {
.name = "authenc(hmac(sha512),cbc(des))",
.driver_name = "authenc-hmac-sha512-cbc-des-caam",
.blocksize = DES_BLOCK_SIZE,
- .aead = {
+ .type = CRYPTO_ALG_TYPE_AEAD,
+ .template_aead = {
.setkey = aead_setkey,
.setauthsize = aead_setauthsize,
.encrypt = aead_encrypt,
@@ -1107,8 +1125,8 @@ static void caam_cra_exit(struct crypto_tfm *tfm)
desc_bytes(ctx->sh_desc), DMA_TO_DEVICE);
kfree(ctx->sh_desc);
- if (!dma_mapping_error(ctx->jrdev, ctx->key_phys))
- dma_unmap_single(ctx->jrdev, ctx->key_phys,
+ if (!dma_mapping_error(ctx->jrdev, ctx->key_dma))
+ dma_unmap_single(ctx->jrdev, ctx->key_dma,
ctx->split_key_pad_len + ctx->enckeylen,
DMA_TO_DEVICE);
kfree(ctx->key);
@@ -1175,12 +1193,16 @@ static struct caam_crypto_alg *caam_alg_alloc(struct device *ctrldev,
alg->cra_init = caam_cra_init;
alg->cra_exit = caam_cra_exit;
alg->cra_priority = CAAM_CRA_PRIORITY;
- alg->cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC;
alg->cra_blocksize = template->blocksize;
alg->cra_alignmask = 0;
- alg->cra_type = &crypto_aead_type;
alg->cra_ctxsize = sizeof(struct caam_ctx);
- alg->cra_u.aead = template->aead;
+ alg->cra_flags = CRYPTO_ALG_ASYNC | template->type;
+ switch (template->type) {
+ case CRYPTO_ALG_TYPE_AEAD:
+ alg->cra_type = &crypto_aead_type;
+ alg->cra_aead = template->template_aead;
+ break;
+ }
t_alg->class1_alg_type = template->class1_alg_type;
t_alg->class2_alg_type = template->class2_alg_type;
--
1.7.6
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