linux-kernel - [PATCH 8/8] crypto: hisilicon/zip

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Message-ID: <1623402410-63906-9-git-send-email-yekai13@huawei.com>
Date:   Fri, 11 Jun 2021 17:06:50 +0800
From:   Kai Ye <yekai13@...wei.com>
To:     <herbert@...dor.apana.org.au>
CC:     <linux-crypto@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <wangzhou1@...ilicon.com>, <yekai13@...wei.com>
Subject: [PATCH 8/8] crypto: hisilicon/zip - adds the max shaper type rate

The ZIP driver support configure each function's QoS in the Host
for Kunpeng930. The ZIP driver needs to configure the maximum shaper
type rate.

Signed-off-by: Kai Ye <yekai13@...wei.com>
---
 drivers/crypto/hisilicon/zip/zip_main.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/drivers/crypto/hisilicon/zip/zip_main.c b/drivers/crypto/hisilicon/zip/zip_main.c
index 9e4c49c..f8482ce 100644
--- a/drivers/crypto/hisilicon/zip/zip_main.c
+++ b/drivers/crypto/hisilicon/zip/zip_main.c
@@ -102,6 +102,8 @@
 #define HZIP_PREFETCH_ENABLE		(~(BIT(26) | BIT(17) | BIT(0)))
 #define HZIP_SVA_PREFETCH_DISABLE	BIT(26)
 #define HZIP_SVA_DISABLE_READY		(BIT(26) | BIT(30))
+#define HZIP_SHAPER_RATE_COMPRESS	252
+#define HZIP_SHAPER_RATE_DECOMPRESS	229
 #define HZIP_DELAY_1_US		1
 #define HZIP_POLL_TIMEOUT_US	1000
 
@@ -823,6 +825,7 @@ static void hisi_zip_qm_uninit(struct hisi_qm *qm)
 
 static int hisi_zip_probe_init(struct hisi_zip *hisi_zip)
 {
+	u32 type_rate = HZIP_SHAPER_RATE_COMPRESS;
 	struct hisi_qm *qm = &hisi_zip->qm;
 	int ret;
 
@@ -830,6 +833,14 @@ static int hisi_zip_probe_init(struct hisi_zip *hisi_zip)
 		ret = hisi_zip_pf_probe_init(hisi_zip);
 		if (ret)
 			return ret;
+		/* enable shaper type 0 */
+		if (qm->ver >= QM_HW_V3) {
+			type_rate |= QM_SHAPER_ENABLE;
+
+			/* ZIP need to enable shaper type 1 */
+			type_rate |= HZIP_SHAPER_RATE_DECOMPRESS << QM_SHAPER_TYPE1_OFFSET;
+			qm->type_rate = type_rate;
+		}
 	}
 
 	return 0;
-- 
2.7.4