在 2025/4/6 下午5:05, Huacai Chen 写道:
Hi, Qunqin, On Thu, Apr 3, 2025 at 10:46 AM Qunqin Zhao <zhaoqun...@loongson.cn> wrote:Loongson's Random Number Generator is found inside Loongson security engine. Co-developed-by: Yinggang Gu <guyingg...@loongson.cn> Signed-off-by: Yinggang Gu <guyingg...@loongson.cn> Signed-off-by: Qunqin Zhao <zhaoqun...@loongson.cn> Reviewed-by: Huacai Chen <chenhua...@loongson.cn> --- v7: Change the lsrng_ prefix to loongson_rng_ v6: Replace all "ls6000se" with "loongson" v2-v5: None drivers/crypto/Kconfig | 1 + drivers/crypto/Makefile | 1 + drivers/crypto/loongson/Kconfig | 6 + drivers/crypto/loongson/Makefile | 2 + drivers/crypto/loongson/loongson-rng.c | 190 +++++++++++++++++++++++++ 5 files changed, 200 insertions(+) create mode 100644 drivers/crypto/loongson/Kconfig create mode 100644 drivers/crypto/loongson/Makefile create mode 100644 drivers/crypto/loongson/loongson-rng.c diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig index 19ab145f9..567ed81b0 100644 --- a/drivers/crypto/Kconfig +++ b/drivers/crypto/Kconfig @@ -855,5 +855,6 @@ config CRYPTO_DEV_SA2UL source "drivers/crypto/aspeed/Kconfig" source "drivers/crypto/starfive/Kconfig" +source "drivers/crypto/loongson/Kconfig" endif # CRYPTO_HW diff --git a/drivers/crypto/Makefile b/drivers/crypto/Makefile index fef18ffdb..643c3710b 100644 --- a/drivers/crypto/Makefile +++ b/drivers/crypto/Makefile @@ -50,3 +50,4 @@ obj-y += hisilicon/ obj-$(CONFIG_CRYPTO_DEV_AMLOGIC_GXL) += amlogic/ obj-y += intel/ obj-y += starfive/ +obj-y += loongson/ diff --git a/drivers/crypto/loongson/Kconfig b/drivers/crypto/loongson/Kconfig new file mode 100644 index 000000000..4368701ad --- /dev/null +++ b/drivers/crypto/loongson/Kconfig @@ -0,0 +1,6 @@ +# SPDX-License-Identifier: GPL-2.0 +config CRYPTO_DEV_LOONGSON_RNG + tristate "Support for Loongson RNG Driver" + depends on MFD_LOONGSON_SE + help + Support for Loongson RNG Driver. diff --git a/drivers/crypto/loongson/Makefile b/drivers/crypto/loongson/Makefile new file mode 100644 index 000000000..b8b013c86 --- /dev/null +++ b/drivers/crypto/loongson/Makefile @@ -0,0 +1,2 @@ +# SPDX-License-Identifier: GPL-2.0 +obj-$(CONFIG_CRYPTO_DEV_LOONGSON_RNG) += loongson-rng.o diff --git a/drivers/crypto/loongson/loongson-rng.c b/drivers/crypto/loongson/loongson-rng.c new file mode 100644 index 000000000..307014992 --- /dev/null +++ b/drivers/crypto/loongson/loongson-rng.c @@ -0,0 +1,190 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2019 HiSilicon Limited. */ +/* Copyright (c) 2025 Loongson Technology Corporation Limited. */ + +#include <linux/crypto.h> +#include <linux/err.h> +#include <linux/hw_random.h> +#include <linux/io.h> +#include <linux/iopoll.h> +#include <linux/kernel.h> +#include <linux/list.h> +#include <linux/mfd/loongson-se.h> +#include <linux/module.h> +#include <linux/mutex.h> +#include <linux/platform_device.h> +#include <linux/random.h> +#include <crypto/internal/rng.h> + +struct loongson_rng_list { + struct mutex lock; + struct list_head list; + int is_init; +}; + +struct lsrng { + bool is_used; + struct se_channel *se_ch; + struct list_head list; + struct completion rng_completion; +};Since there are other comments that should be addressed, you can rename lsrng to loongson_rng to keep consistency.
OK, thanks Qunqin.
