summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--drivers/crypto/qat/qat_common/qat_algs.c173
1 files changed, 108 insertions, 65 deletions
diff --git a/drivers/crypto/qat/qat_common/qat_algs.c b/drivers/crypto/qat/qat_common/qat_algs.c
index 5ca5cf9f6be5..f9a46918c9d1 100644
--- a/drivers/crypto/qat/qat_common/qat_algs.c
+++ b/drivers/crypto/qat/qat_common/qat_algs.c
@@ -595,45 +595,52 @@ bad_key:
return -EINVAL;
}
-static int qat_alg_aead_setkey(struct crypto_aead *tfm, const uint8_t *key,
+static int qat_alg_aead_rekey(struct crypto_aead *tfm, const uint8_t *key,
+ unsigned int keylen)
+{
+ struct qat_alg_aead_ctx *ctx = crypto_aead_ctx(tfm);
+
+ memset(ctx->enc_cd, 0, sizeof(*ctx->enc_cd));
+ memset(ctx->dec_cd, 0, sizeof(*ctx->dec_cd));
+ memset(&ctx->enc_fw_req, 0, sizeof(ctx->enc_fw_req));
+ memset(&ctx->dec_fw_req, 0, sizeof(ctx->dec_fw_req));
+
+ return qat_alg_aead_init_sessions(tfm, key, keylen,
+ ICP_QAT_HW_CIPHER_CBC_MODE);
+}
+
+static int qat_alg_aead_newkey(struct crypto_aead *tfm, const uint8_t *key,
unsigned int keylen)
{
struct qat_alg_aead_ctx *ctx = crypto_aead_ctx(tfm);
+ struct qat_crypto_instance *inst = NULL;
+ int node = get_current_node();
struct device *dev;
+ int ret;
- if (ctx->enc_cd) {
- /* rekeying */
- dev = &GET_DEV(ctx->inst->accel_dev);
- memset(ctx->enc_cd, 0, sizeof(*ctx->enc_cd));
- memset(ctx->dec_cd, 0, sizeof(*ctx->dec_cd));
- memset(&ctx->enc_fw_req, 0, sizeof(ctx->enc_fw_req));
- memset(&ctx->dec_fw_req, 0, sizeof(ctx->dec_fw_req));
- } else {
- /* new key */
- int node = get_current_node();
- struct qat_crypto_instance *inst =
- qat_crypto_get_instance_node(node);
- if (!inst) {
- return -EINVAL;
- }
-
- dev = &GET_DEV(inst->accel_dev);
- ctx->inst = inst;
- ctx->enc_cd = dma_alloc_coherent(dev, sizeof(*ctx->enc_cd),
- &ctx->enc_cd_paddr,
- GFP_ATOMIC);
- if (!ctx->enc_cd) {
- return -ENOMEM;
- }
- ctx->dec_cd = dma_alloc_coherent(dev, sizeof(*ctx->dec_cd),
- &ctx->dec_cd_paddr,
- GFP_ATOMIC);
- if (!ctx->dec_cd) {
- goto out_free_enc;
- }
+ inst = qat_crypto_get_instance_node(node);
+ if (!inst)
+ return -EINVAL;
+ dev = &GET_DEV(inst->accel_dev);
+ ctx->inst = inst;
+ ctx->enc_cd = dma_alloc_coherent(dev, sizeof(*ctx->enc_cd),
+ &ctx->enc_cd_paddr,
+ GFP_ATOMIC);
+ if (!ctx->enc_cd) {
+ ret = -ENOMEM;
+ goto out_free_inst;
+ }
+ ctx->dec_cd = dma_alloc_coherent(dev, sizeof(*ctx->dec_cd),
+ &ctx->dec_cd_paddr,
+ GFP_ATOMIC);
+ if (!ctx->dec_cd) {
+ ret = -ENOMEM;
+ goto out_free_enc;
}
- if (qat_alg_aead_init_sessions(tfm, key, keylen,
- ICP_QAT_HW_CIPHER_CBC_MODE))
+
+ ret = qat_alg_aead_init_sessions(tfm, key, keylen,
+ ICP_QAT_HW_CIPHER_CBC_MODE);
+ if (ret)
goto out_free_all;
return 0;
@@ -648,7 +655,21 @@ out_free_enc:
dma_free_coherent(dev, sizeof(struct qat_alg_cd),
ctx->enc_cd, ctx->enc_cd_paddr);
ctx->enc_cd = NULL;
- return -ENOMEM;
+out_free_inst:
+ ctx->inst = NULL;
+ qat_crypto_put_instance(inst);
+ return ret;
+}
+
+static int qat_alg_aead_setkey(struct crypto_aead *tfm, const uint8_t *key,
+ unsigned int keylen)
+{
+ struct qat_alg_aead_ctx *ctx = crypto_aead_ctx(tfm);
+
+ if (ctx->enc_cd)
+ return qat_alg_aead_rekey(tfm, key, keylen);
+ else
+ return qat_alg_aead_newkey(tfm, key, keylen);
}
static void qat_alg_free_bufl(struct qat_crypto_instance *inst,
@@ -930,42 +951,49 @@ static int qat_alg_aead_enc(struct aead_request *areq)
return -EINPROGRESS;
}
-static int qat_alg_ablkcipher_setkey(struct crypto_ablkcipher *tfm,
+static int qat_alg_ablkcipher_rekey(struct qat_alg_ablkcipher_ctx *ctx,
+ const u8 *key, unsigned int keylen,
+ int mode)
+{
+ memset(ctx->enc_cd, 0, sizeof(*ctx->enc_cd));
+ memset(ctx->dec_cd, 0, sizeof(*ctx->dec_cd));
+ memset(&ctx->enc_fw_req, 0, sizeof(ctx->enc_fw_req));
+ memset(&ctx->dec_fw_req, 0, sizeof(ctx->dec_fw_req));
+
+ return qat_alg_ablkcipher_init_sessions(ctx, key, keylen, mode);
+}
+
+static int qat_alg_ablkcipher_newkey(struct qat_alg_ablkcipher_ctx *ctx,
const u8 *key, unsigned int keylen,
int mode)
{
- struct qat_alg_ablkcipher_ctx *ctx = crypto_ablkcipher_ctx(tfm);
+ struct qat_crypto_instance *inst = NULL;
struct device *dev;
+ int node = get_current_node();
+ int ret;
- if (ctx->enc_cd) {
- /* rekeying */
- dev = &GET_DEV(ctx->inst->accel_dev);
- memset(ctx->enc_cd, 0, sizeof(*ctx->enc_cd));
- memset(ctx->dec_cd, 0, sizeof(*ctx->dec_cd));
- memset(&ctx->enc_fw_req, 0, sizeof(ctx->enc_fw_req));
- memset(&ctx->dec_fw_req, 0, sizeof(ctx->dec_fw_req));
- } else {
- /* new key */
- int node = get_current_node();
- struct qat_crypto_instance *inst =
- qat_crypto_get_instance_node(node);
- if (!inst)
- return -EINVAL;
-
- dev = &GET_DEV(inst->accel_dev);
- ctx->inst = inst;
- ctx->enc_cd = dma_alloc_coherent(dev, sizeof(*ctx->enc_cd),
- &ctx->enc_cd_paddr,
- GFP_ATOMIC);
- if (!ctx->enc_cd)
- return -ENOMEM;
- ctx->dec_cd = dma_alloc_coherent(dev, sizeof(*ctx->dec_cd),
- &ctx->dec_cd_paddr,
- GFP_ATOMIC);
- if (!ctx->dec_cd)
- goto out_free_enc;
+ inst = qat_crypto_get_instance_node(node);
+ if (!inst)
+ return -EINVAL;
+ dev = &GET_DEV(inst->accel_dev);
+ ctx->inst = inst;
+ ctx->enc_cd = dma_alloc_coherent(dev, sizeof(*ctx->enc_cd),
+ &ctx->enc_cd_paddr,
+ GFP_ATOMIC);
+ if (!ctx->enc_cd) {
+ ret = -ENOMEM;
+ goto out_free_instance;
+ }
+ ctx->dec_cd = dma_alloc_coherent(dev, sizeof(*ctx->dec_cd),
+ &ctx->dec_cd_paddr,
+ GFP_ATOMIC);
+ if (!ctx->dec_cd) {
+ ret = -ENOMEM;
+ goto out_free_enc;
}
- if (qat_alg_ablkcipher_init_sessions(ctx, key, keylen, mode))
+
+ ret = qat_alg_ablkcipher_init_sessions(ctx, key, keylen, mode);
+ if (ret)
goto out_free_all;
return 0;
@@ -980,7 +1008,22 @@ out_free_enc:
dma_free_coherent(dev, sizeof(*ctx->enc_cd),
ctx->enc_cd, ctx->enc_cd_paddr);
ctx->enc_cd = NULL;
- return -ENOMEM;
+out_free_instance:
+ ctx->inst = NULL;
+ qat_crypto_put_instance(inst);
+ return ret;
+}
+
+static int qat_alg_ablkcipher_setkey(struct crypto_ablkcipher *tfm,
+ const u8 *key, unsigned int keylen,
+ int mode)
+{
+ struct qat_alg_ablkcipher_ctx *ctx = crypto_ablkcipher_ctx(tfm);
+
+ if (ctx->enc_cd)
+ return qat_alg_ablkcipher_rekey(ctx, key, keylen, mode);
+ else
+ return qat_alg_ablkcipher_newkey(ctx, key, keylen, mode);
}
static int qat_alg_ablkcipher_cbc_setkey(struct crypto_ablkcipher *tfm,
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-23 03:23:42 +0300