Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

Pull crypto updates from Herbert Xu:
 "Algorithms:

   - Add AES-NI/AVX/x86_64 implementation of SM4.

  Drivers:

   - Add Arm SMCCC TRNG based driver"

[ And obviously a lot of random fixes and updates  - Linus]

* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (84 commits)
  crypto: sha512 - remove imaginary and mystifying clearing of variables
  crypto: aesni - xts_crypt() return if walk.nbytes is 0
  padata: Remove repeated verbose license text
  crypto: ccp - Add support for new CCP/PSP device ID
  crypto: x86/sm4 - add AES-NI/AVX2/x86_64 implementation
  crypto: x86/sm4 - export reusable AESNI/AVX functions
  crypto: rmd320 - remove rmd320 in Makefile
  crypto: skcipher - in_irq() cleanup
  crypto: hisilicon - check _PS0 and _PR0 method
  crypto: hisilicon - change parameter passing of debugfs function
  crypto: hisilicon - support runtime PM for accelerator device
  crypto: hisilicon - add runtime PM ops
  crypto: hisilicon - using 'debugfs_create_file' instead of 'debugfs_create_regset32'
  crypto: tcrypt - add GCM/CCM mode test for SM4 algorithm
  crypto: testmgr - Add GCM/CCM mode test of SM4 algorithm
  crypto: tcrypt - Fix missing return value check
  crypto: hisilicon/sec - modify the hardware endian configuration
  crypto: hisilicon/sec - fix the abnormal exiting process
  crypto: qat - store vf.compatible flag
  crypto: qat - do not export adf_iov_putmsg()
  ...

2 files changed, 21 insertions, 7 deletions

diff --git a/include/crypto/sm4.h b/include/crypto/sm4.h
index 7afd730d16ff..709f286e7b25 100644
--- a/include/crypto/sm4.h
+++ b/include/crypto/sm4.h
@@ -3,6 +3,7 @@
 /*
  * Common values for the SM4 algorithm
  * Copyright (C) 2018 ARM Limited or its affiliates.
+ * Copyright (c) 2021 Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
  */
 
 #ifndef _CRYPTO_SM4_H
@@ -15,17 +16,29 @@
 #define SM4_BLOCK_SIZE	16
 #define SM4_RKEY_WORDS	32
 
-struct crypto_sm4_ctx {
+struct sm4_ctx {
 	u32 rkey_enc[SM4_RKEY_WORDS];
 	u32 rkey_dec[SM4_RKEY_WORDS];
 };
 
-int crypto_sm4_set_key(struct crypto_tfm *tfm, const u8 *in_key,
-		       unsigned int key_len);
-int crypto_sm4_expand_key(struct crypto_sm4_ctx *ctx, const u8 *in_key,
+/**
+ * sm4_expandkey - Expands the SM4 key as described in GB/T 32907-2016
+ * @ctx:	The location where the computed key will be stored.
+ * @in_key:	The supplied key.
+ * @key_len:	The length of the supplied key.
+ *
+ * Returns 0 on success. The function fails only if an invalid key size (or
+ * pointer) is supplied.
+ */
+int sm4_expandkey(struct sm4_ctx *ctx, const u8 *in_key,
 			  unsigned int key_len);
 
-void crypto_sm4_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in);
-void crypto_sm4_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in);
+/**
+ * sm4_crypt_block - Encrypt or decrypt a single SM4 block
+ * @rk:		The rkey_enc for encrypt or rkey_dec for decrypt
+ * @out:	Buffer to store output data
+ * @in: 	Buffer containing the input data
+ */
+void sm4_crypt_block(const u32 *rk, u8 *out, const u8 *in);
 
 #endif
diff --git a/include/linux/padata.h b/include/linux/padata.h
index a433f13fc4bf..495b16b6b4d7 100644
--- a/include/linux/padata.h
+++ b/include/linux/padata.h
@@ -12,6 +12,7 @@
 #ifndef PADATA_H
 #define PADATA_H
 
+#include <linux/refcount.h>
 #include <linux/compiler_types.h>
 #include <linux/workqueue.h>
 #include <linux/spinlock.h>
@@ -96,7 +97,7 @@ struct parallel_data {
 	struct padata_shell		*ps;
 	struct padata_list		__percpu *reorder_list;
 	struct padata_serial_queue	__percpu *squeue;
-	atomic_t			refcnt;
+	refcount_t			refcnt;
 	unsigned int			seq_nr;
 	unsigned int			processed;
 	int				cpu;