[PATCH v6 3/6] crypto: hisilicon/hpre - add algorithm type

[Meng Yu]

Algorithm type is brought in to get hardware HPRE queue
to support different algorithms.

Signed-off-by: Meng Yu <yumen...@huawei.com>
Reviewed-by: Zaibo Xu <xuza...@huawei.com>
---
 drivers/crypto/hisilicon/hpre/hpre.h        | 10 +++++++++-
 drivers/crypto/hisilicon/hpre/hpre_crypto.c | 12 ++++++------
 drivers/crypto/hisilicon/hpre/hpre_main.c   | 11 +++++++++--
 3 files changed, 24 insertions(+), 9 deletions(-)

diff --git a/drivers/crypto/hisilicon/hpre/hpre.h 
b/drivers/crypto/hisilicon/hpre/hpre.h
index cc50f23..02193e1 100644
--- a/drivers/crypto/hisilicon/hpre/hpre.h
+++ b/drivers/crypto/hisilicon/hpre/hpre.h
@@ -10,6 +10,14 @@
 #define HPRE_PF_DEF_Q_NUM              64
 #define HPRE_PF_DEF_Q_BASE             0
 
+/*
+ * type used in qm sqc DW6.
+ * 0 - Algorithm which has been supported in V2, like RSA, DH and so on;
+ * 1 - ECC algorithm in V3.
+ */
+#define HPRE_V2_ALG_TYPE       0
+#define HPRE_V3_ECC_ALG_TYPE   1
+
 enum {
        HPRE_CLUSTER0,
        HPRE_CLUSTER1,
@@ -92,7 +100,7 @@ struct hpre_sqe {
        __le32 rsvd1[_HPRE_SQE_ALIGN_EXT];
 };
 
-struct hisi_qp *hpre_create_qp(void);
+struct hisi_qp *hpre_create_qp(u8 type);
 int hpre_algs_register(struct hisi_qm *qm);
 void hpre_algs_unregister(struct hisi_qm *qm);
 
diff --git a/drivers/crypto/hisilicon/hpre/hpre_crypto.c 
b/drivers/crypto/hisilicon/hpre/hpre_crypto.c
index d89b2f5..712bea9 100644
--- a/drivers/crypto/hisilicon/hpre/hpre_crypto.c
+++ b/drivers/crypto/hisilicon/hpre/hpre_crypto.c
@@ -152,12 +152,12 @@ static void hpre_rm_req_from_ctx(struct hpre_asym_request 
*hpre_req)
        }
 }
 
-static struct hisi_qp *hpre_get_qp_and_start(void)
+static struct hisi_qp *hpre_get_qp_and_start(u8 type)
 {
        struct hisi_qp *qp;
        int ret;
 
-       qp = hpre_create_qp();
+       qp = hpre_create_qp(type);
        if (!qp) {
                pr_err("Can not create hpre qp!\n");
                return ERR_PTR(-ENODEV);
@@ -422,11 +422,11 @@ static void hpre_alg_cb(struct hisi_qp *qp, void *resp)
        req->cb(ctx, resp);
 }
 
-static int hpre_ctx_init(struct hpre_ctx *ctx)
+static int hpre_ctx_init(struct hpre_ctx *ctx, u8 type)
 {
        struct hisi_qp *qp;
 
-       qp = hpre_get_qp_and_start();
+       qp = hpre_get_qp_and_start(type);
        if (IS_ERR(qp))
                return PTR_ERR(qp);
 
@@ -674,7 +674,7 @@ static int hpre_dh_init_tfm(struct crypto_kpp *tfm)
 {
        struct hpre_ctx *ctx = kpp_tfm_ctx(tfm);
 
-       return hpre_ctx_init(ctx);
+       return hpre_ctx_init(ctx, HPRE_V2_ALG_TYPE);
 }
 
 static void hpre_dh_exit_tfm(struct crypto_kpp *tfm)
@@ -1100,7 +1100,7 @@ static int hpre_rsa_init_tfm(struct crypto_akcipher *tfm)
                return PTR_ERR(ctx->rsa.soft_tfm);
        }
 
-       ret = hpre_ctx_init(ctx);
+       ret = hpre_ctx_init(ctx, HPRE_V2_ALG_TYPE);
        if (ret)
                crypto_free_akcipher(ctx->rsa.soft_tfm);
 
diff --git a/drivers/crypto/hisilicon/hpre/hpre_main.c 
b/drivers/crypto/hisilicon/hpre/hpre_main.c
index 52827b0..d3ec3b4 100644
--- a/drivers/crypto/hisilicon/hpre/hpre_main.c
+++ b/drivers/crypto/hisilicon/hpre/hpre_main.c
@@ -223,13 +223,20 @@ static u32 vfs_num;
 module_param_cb(vfs_num, &vfs_num_ops, &vfs_num, 0444);
 MODULE_PARM_DESC(vfs_num, "Number of VFs to enable(1-63), 0(default)");
 
-struct hisi_qp *hpre_create_qp(void)
+struct hisi_qp *hpre_create_qp(u8 type)
 {
        int node = cpu_to_node(smp_processor_id());
        struct hisi_qp *qp = NULL;
        int ret;
 
-       ret = hisi_qm_alloc_qps_node(&hpre_devices, 1, 0, node, &qp);
+       if (type != HPRE_V2_ALG_TYPE && type != HPRE_V3_ECC_ALG_TYPE)
+               return NULL;
+
+       /*
+        * type: 0 - RSA/DH. algorithm supported in V2,
+        *       1 - ECC algorithm in V3.
+        */
+       ret = hisi_qm_alloc_qps_node(&hpre_devices, 1, type, node, &qp);
        if (!ret)
                return qp;
 
-- 
2.8.1