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From:   Longfang Liu <liulongfang@huawei.com>
To:     <herbert@gondor.apana.org.au>
CC:     <linux-crypto@vger.kernel.org>
Subject: [PATCH 1/5] crypto: hisilicon - update mininum queue
Date:   Thu, 10 Sep 2020 19:56:39 +0800
Message-ID: <1599739003-23448-2-git-send-email-liulongfang@huawei.com>
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At present, as HPRE/SEC/ZIP modules' parameter 'pf_q_num' is 1,
kernel CRYPTO test will fail on the algorithms from the modules,
since 'QP' hardware resources are not enough for CRYPTO TFM.
To fix this, the minimum value of 'pf_q_num' should be 2.

Signed-off-by: Longfang Liu <liulongfang@huawei.com>
---
 drivers/crypto/hisilicon/qm.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/crypto/hisilicon/qm.h b/drivers/crypto/hisilicon/qm.h
index 6773f44..0420f4c 100644
--- a/drivers/crypto/hisilicon/qm.h
+++ b/drivers/crypto/hisilicon/qm.h
@@ -79,7 +79,7 @@
 #define QM_BASE_CE			QM_ECC_1BIT
 
 #define QM_Q_DEPTH			1024
-
+#define QM_MIN_QNUM                     2
 #define HISI_ACC_SGL_SGE_NR_MAX		255
 
 /* page number for queue file region */
@@ -309,7 +309,7 @@ static inline int q_num_set(const char *val, const struct kernel_param *kp,
 	}
 
 	ret = kstrtou32(val, 10, &n);
-	if (ret || !n || n > q_num)
+	if (ret || n < QM_MIN_QNUM || n > q_num)
 		return -EINVAL;
 
 	return param_set_int(val, kp);
-- 
2.8.1