[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <20240815085725.2740390-10-quic_mdalam@quicinc.com>
Date: Thu, 15 Aug 2024 14:27:18 +0530
From: Md Sadre Alam <quic_mdalam@...cinc.com>
To: vkoul@...nel.org, robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org,
andersson@...nel.org, konradybcio@...nel.org, thara.gopinath@...il.com,
herbert@...dor.apana.org.au, davem@...emloft.net,
gustavoars@...nel.org, u.kleine-koenig@...gutronix.de, kees@...nel.org,
agross@...nel.org, linux-arm-msm@...r.kernel.org,
dmaengine@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-crypto@...r.kernel.org
Cc: quic_srichara@...cinc.com, quic_varada@...cinc.com,
quic_mdalam@...cinc.com, quic_utiwari@...cinc.com
Subject: [PATCH v2 09/16] crypto: qce - Add LOCK and UNLOCK flag support
Add LOCK and UNLOCK flag support while preapring
command descriptor for writing crypto register.
Signed-off-by: Md Sadre Alam <quic_mdalam@...cinc.com>
---
Change in [v2]
* No change
Change in [v1]
* Added initial support for lock/un-lock flag
drivers/crypto/qce/dma.c | 7 ++++++-
drivers/crypto/qce/dma.h | 2 ++
2 files changed, 8 insertions(+), 1 deletion(-)
diff --git a/drivers/crypto/qce/dma.c b/drivers/crypto/qce/dma.c
index e4e672d65302..93d455d1d5b4 100644
--- a/drivers/crypto/qce/dma.c
+++ b/drivers/crypto/qce/dma.c
@@ -72,7 +72,12 @@ int qce_submit_cmd_desc(struct qce_device *qce, unsigned long flags)
unsigned long desc_flags;
int ret = 0;
- desc_flags = DMA_PREP_CMD;
+ if (flags & QCE_DMA_DESC_FLAG_LOCK)
+ desc_flags = DMA_PREP_CMD | DMA_PREP_LOCK;
+ else if (flags & QCE_DMA_DESC_FLAG_UNLOCK)
+ desc_flags = DMA_PREP_CMD | DMA_PREP_UNLOCK;
+ else
+ desc_flags = DMA_PREP_CMD;
/* For command descriptor always use consumer pipe
* it recomended as per HPG
diff --git a/drivers/crypto/qce/dma.h b/drivers/crypto/qce/dma.h
index f10991590b3f..ad8a18a720b1 100644
--- a/drivers/crypto/qce/dma.h
+++ b/drivers/crypto/qce/dma.h
@@ -19,6 +19,8 @@
#define QCE_BAM_CMD_ELEMENT_SIZE 64
#define QCE_DMA_DESC_FLAG_BAM_NWD (0x0004)
#define QCE_MAX_REG_READ 8
+#define QCE_DMA_DESC_FLAG_LOCK (0x0002)
+#define QCE_DMA_DESC_FLAG_UNLOCK (0x0001)
struct qce_result_dump {
u32 auth_iv[QCE_AUTHIV_REGS_CNT];
--
2.34.1
Powered by blists - more mailing lists