[PATCH 8/8] crypto: hisilicon/zip - adds the max shaper type rate

From: Kai Ye
Date: Fri Jun 11 2021 - 05:07:45 EST


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@xxxxxxxxxx>
---
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