linux-kernel - [PATCH v2 4/4] crypto: hisilicon/zip - support new 'sqe' type in Kunpeng930

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Date:   Sat, 27 Mar 2021 15:28:48 +0800
From:   Yang Shen <shenyang39@...wei.com>
To:     <herbert@...dor.apana.org.au>, <davem@...emloft.net>
CC:     <linux-kernel@...r.kernel.org>, <linux-crypto@...r.kernel.org>,
        <wangzhou1@...ilicon.com>
Subject: [PATCH v2 4/4] crypto: hisilicon/zip - support new 'sqe' type in Kunpeng930

The Kunpeng930 changes some field meanings in 'sqe'. So add a new
'hisi_zip_sqe_ops' to describe the 'sqe' operations.

Signed-off-by: Yang Shen <shenyang39@...wei.com>
---
 drivers/crypto/hisilicon/zip/zip.h        |  1 +
 drivers/crypto/hisilicon/zip/zip_crypto.c | 25 +++++++++++++++++++++++++
 2 files changed, 26 insertions(+)

diff --git a/drivers/crypto/hisilicon/zip/zip.h b/drivers/crypto/hisilicon/zip/zip.h
index b4d3e03..517fdbd 100644
--- a/drivers/crypto/hisilicon/zip/zip.h
+++ b/drivers/crypto/hisilicon/zip/zip.h
@@ -75,6 +75,7 @@ struct hisi_zip_sqe {
 	u32 dw23;
 	u32 dw24;
 	u32 dw25;
+	/* tag: in sqe type 3 */
 	u32 dw26;
 	u32 dw27;
 	u32 rsvd1[4];
diff --git a/drivers/crypto/hisilicon/zip/zip_crypto.c b/drivers/crypto/hisilicon/zip/zip_crypto.c
index 466ebf1..9520a41 100644
--- a/drivers/crypto/hisilicon/zip/zip_crypto.c
+++ b/drivers/crypto/hisilicon/zip/zip_crypto.c
@@ -298,6 +298,11 @@ static void hisi_zip_fill_tag_v1(struct hisi_zip_sqe *sqe, struct hisi_zip_req *
 	sqe->dw13 = req->req_id;
 }
 
+static void hisi_zip_fill_tag_v2(struct hisi_zip_sqe *sqe, struct hisi_zip_req *req)
+{
+	sqe->dw26 = req->req_id;
+}
+
 static void hisi_zip_fill_sqe_type(struct hisi_zip_sqe *sqe, u8 sqe_type)
 {
 	u32 val;
@@ -380,6 +385,11 @@ static u32 hisi_zip_get_tag_v1(struct hisi_zip_sqe *sqe)
 	return sqe->dw13;
 }
 
+static u32 hisi_zip_get_tag_v2(struct hisi_zip_sqe *sqe)
+{
+	return sqe->dw26;
+}
+
 static u32 hisi_zip_get_status(struct hisi_zip_sqe *sqe)
 {
 	return sqe->dw3 & HZIP_BD_STATUS_M;
@@ -527,6 +537,19 @@ static const struct hisi_zip_sqe_ops hisi_zip_ops_v1 = {
 	.get_dstlen		= hisi_zip_get_dstlen,
 };
 
+static const struct hisi_zip_sqe_ops hisi_zip_ops_v2 = {
+	.sqe_type		= 0x3,
+	.fill_addr		= hisi_zip_fill_addr,
+	.fill_buf_size		= hisi_zip_fill_buf_size,
+	.fill_buf_type		= hisi_zip_fill_buf_type,
+	.fill_req_type		= hisi_zip_fill_req_type,
+	.fill_tag		= hisi_zip_fill_tag_v2,
+	.fill_sqe_type		= hisi_zip_fill_sqe_type,
+	.get_tag		= hisi_zip_get_tag_v2,
+	.get_status		= hisi_zip_get_status,
+	.get_dstlen		= hisi_zip_get_dstlen,
+};
+
 static int hisi_zip_ctx_init(struct hisi_zip_ctx *hisi_zip_ctx, u8 req_type, int node)
 {
 	struct hisi_qp *qps[HZIP_CTX_Q_NUM] = { NULL };
@@ -560,6 +583,8 @@ static int hisi_zip_ctx_init(struct hisi_zip_ctx *hisi_zip_ctx, u8 req_type, int
 
 	if (hisi_zip->qm.ver < QM_HW_V3)
 		hisi_zip_ctx->ops = &hisi_zip_ops_v1;
+	else
+		hisi_zip_ctx->ops = &hisi_zip_ops_v2;
 
 	return 0;
 }
-- 
2.8.1