Add GM Driver Support for Hygon platform Cryptographic Coprocessor

arch/x86/configs/deepin_x86_desktop_defconfig

@@ -5518,6 +5518,8 @@ CONFIG_CRYPTO_DEV_VIRTIO=m
 CONFIG_CRYPTO_DEV_SAFEXCEL=m
 CONFIG_CRYPTO_DEV_AMLOGIC_GXL=m
 CONFIG_CRYPTO_DEV_TSSE=m
+CONFIG_CRYPTO_DEV_HCT=m
+CONFIG_HYGON_GM=y
 CONFIG_PKCS8_PRIVATE_KEY_PARSER=m
 CONFIG_SIGNED_PE_FILE_VERIFICATION=y
 CONFIG_SYSTEM_EXTRA_CERTIFICATE=y

drivers/crypto/ccp/Kconfig

@@ -46,6 +46,14 @@ config CRYPTO_DEV_SP_PSP
 	 along with software-based Trusted Execution Environment (TEE) to
 	 enable third-party trusted applications.
 
+config HYGON_GM
+	bool "Hygon GM (sm2/sm3/sm4) Interface"
+	default y
+	depends on CRYPTO_DEV_CCP_CRYPTO && X86_64
+	select CRYPTO_SM3_GENERIC
+	help
+	  Hygon GM ccp driver
+
 config CRYPTO_DEV_CCP_DEBUGFS
 	bool "Enable CCP Internals in DebugFS"
 	default n
@@ -79,3 +87,15 @@ config TDM_KERNEL_GUARD
 	  The key part of kernel is protected by TDM technology, SCT and IDT
 	  are protected by default, and others are added later according to the
 	  requirements.
+
+config CRYPTO_DEV_HCT
+	tristate "HCT CCP device"
+	default m
+	depends on X86_64
+	select VFIO_MDEV
+	help
+	  Provides hygon crypto technology ccp device driver.
+	  Support virtualize ccp devices based on mediated devices.
+	  Support multi-process and virtual machines.
+	  Support host-noiommu mode memory encryption function.
+	  If you choose 'M' here, this module will be called hct ccp.

drivers/crypto/ccp/Makefile

@@ -5,7 +5,8 @@ ccp-$(CONFIG_CRYPTO_DEV_SP_CCP) += ccp-dev.o \
 	    ccp-ops.o \
 	    ccp-dev-v3.o \
 	    ccp-dev-v5.o \
-	    ccp-dmaengine.o
+	    ccp-dmaengine.o \
+	    hygon/ccp-dev-v5.o
 ccp-$(CONFIG_CRYPTO_DEV_CCP_DEBUGFS) += ccp-debugfs.o
 ccp-$(CONFIG_PCI) += sp-pci.o \
                      hygon/sp-pci.o
@@ -20,6 +21,8 @@ ccp-$(CONFIG_CRYPTO_DEV_SP_PSP) += psp-dev.o \
 
 ccp-$(CONFIG_TDM_DEV_HYGON) += hygon/tdm-dev.o
 
+obj-$(CONFIG_CRYPTO_DEV_HCT) += hygon/hct.o
+
 obj-$(CONFIG_CRYPTO_DEV_CCP_CRYPTO) += ccp-crypto.o
 ccp-crypto-objs := ccp-crypto-main.o \
 		   ccp-crypto-aes.o \
@@ -29,4 +32,13 @@ ccp-crypto-objs := ccp-crypto-main.o \
 		   ccp-crypto-des3.o \
 		   ccp-crypto-rsa.o \
 		   ccp-crypto-sha.o
+
 obj-$(CONFIG_TDM_KERNEL_GUARD) += hygon/tdm-kernel-guard.o
+
+$(obj)/ccp_sm2_sign.asn1.o: $(obj)/ccp_sm2_sign.asn1.c $(obj)/ccp_sm2_sign.asn1.h
+$(obj)/ccp-crypto-sm2-hygon.o: $(obj)/ccp_sm2_sign.asn1.h
+
+ccp-crypto-$(CONFIG_HYGON_GM) += ccp-crypto-sm2-hygon.o \
+		   ccp-crypto-sm3-hygon.o \
+		   ccp-crypto-sm4-hygon.o \
+		   ccp_sm2_sign.asn1.o

drivers/crypto/ccp/ccp-crypto-main.c

@@ -39,6 +39,10 @@ static unsigned int rsa_disable;
 module_param(rsa_disable, uint, 0444);
 MODULE_PARM_DESC(rsa_disable, "Disable use of RSA - any non-zero value");
 
+static unsigned int sm_disable;
+module_param(sm_disable, uint, 0444);
+MODULE_PARM_DESC(sm_disable, "Disable use of SM2/SM3/SM4 - any non-zero value");
+
 /* List heads for the supported algorithms */
 static LIST_HEAD(hash_algs);
 static LIST_HEAD(skcipher_algs);
@@ -322,6 +326,25 @@ static int ccp_register_algs(void)
 {
 	int ret;
 
+#ifdef CONFIG_HYGON_GM
+	if (!sm_disable && boot_cpu_data.x86_vendor == X86_VENDOR_HYGON) {
+		ret = ccp_register_sm2_hygon_algs(&akcipher_algs);
+		if (ret)
+			return ret;
+
+		ret = ccp_register_sm3_hygon_algs(&hash_algs);
+		if (ret)
+			return ret;
+
+		ret = ccp_register_sm4_hygon_algs(&skcipher_algs);
+		if (ret)
+			return ret;
+
+		/* Return on hygon platform */
+		return 0;
+	}
+#endif
+
 	if (!aes_disable) {
 		ret = ccp_register_aes_algs(&skcipher_algs);
 		if (ret)