4  * T10 Data Integrity Field CRC16 Crypto Transform
21  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
28 #include <linux/crc-t10dif.h>
46 	ctx->crc = 0;  in chksum_init()
51 static int chksum_update(struct shash_desc *desc, const u8 *data,  in chksum_update()  argument
56 	ctx->crc = crc_t10dif_generic(ctx->crc, data, length);  in chksum_update()
60 static int chksum_update_arch(struct shash_desc *desc, const u8 *data,  in chksum_update_arch()  argument
65 	ctx->crc = crc_t10dif_update(ctx->crc, data, length);  in chksum_update_arch()
69 static int chksum_final(struct shash_desc *desc, u8 *out)  in chksum_final()  argument
73 	*(__u16 *)out = ctx->crc;  in chksum_final()
77 static int __chksum_finup(__u16 crc, const u8 *data, unsigned int len, u8 *out)  in __chksum_finup()  argument
79 	*(__u16 *)out = crc_t10dif_generic(crc, data, len);  in __chksum_finup()
83 static int __chksum_finup_arch(__u16 crc, const u8 *data, unsigned int len,  in __chksum_finup_arch()  argument
84 			       u8 *out)  in __chksum_finup_arch()  argument
86 	*(__u16 *)out = crc_t10dif_update(crc, data, len);  in __chksum_finup_arch()
90 static int chksum_finup(struct shash_desc *desc, const u8 *data,  in chksum_finup()  argument
91 			unsigned int len, u8 *out)  in chksum_finup()  argument
95 	return __chksum_finup(ctx->crc, data, len, out);  in chksum_finup()
98 static int chksum_finup_arch(struct shash_desc *desc, const u8 *data,  in chksum_finup_arch()  argument
99 			     unsigned int len, u8 *out)  in chksum_finup_arch()  argument
103 	return __chksum_finup_arch(ctx->crc, data, len, out);  in chksum_finup_arch()
106 static int chksum_digest(struct shash_desc *desc, const u8 *data,  in chksum_digest()  argument
107 			 unsigned int length, u8 *out)  in chksum_digest()  argument
109 	return __chksum_finup(0, data, length, out);  in chksum_digest()
112 static int chksum_digest_arch(struct shash_desc *desc, const u8 *data,  in chksum_digest_arch()  argument
113 			      unsigned int length, u8 *out)  in chksum_digest_arch()  argument
115 	return __chksum_finup_arch(0, data, length, out);  in chksum_digest_arch()
127 	.base.cra_driver_name	= "crct10dif-generic",
140 	.base.cra_driver_name	= "crct10dif-" __stringify(ARCH),
168 MODULE_ALIAS_CRYPTO("crct10dif-generic");