4  * T10 Data Integrity Field CRC16 Crypto Transform using PCLMULQDQ Instructions
19  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
27 #include <linux/crc-t10dif.h>
47 	ctx->crc = 0;  in chksum_init()
52 static int chksum_update(struct shash_desc *desc, const u8 *data,  in chksum_update()  argument
59 		ctx->crc = crc_t10dif_pcl(ctx->crc, data, length);  in chksum_update()
62 		ctx->crc = crc_t10dif_generic(ctx->crc, data, length);  in chksum_update()
66 static int chksum_final(struct shash_desc *desc, u8 *out)  in chksum_final()  argument
70 	*(__u16 *)out = ctx->crc;  in chksum_final()
74 static int __chksum_finup(__u16 crc, const u8 *data, unsigned int len, u8 *out)  in __chksum_finup()  argument
78 		*(__u16 *)out = crc_t10dif_pcl(crc, data, len);  in __chksum_finup()
81 		*(__u16 *)out = crc_t10dif_generic(crc, data, len);  in __chksum_finup()
85 static int chksum_finup(struct shash_desc *desc, const u8 *data,  in chksum_finup()  argument
86 			unsigned int len, u8 *out)  in chksum_finup()  argument
90 	return __chksum_finup(ctx->crc, data, len, out);  in chksum_finup()
93 static int chksum_digest(struct shash_desc *desc, const u8 *data,  in chksum_digest()  argument
94 			 unsigned int length, u8 *out)  in chksum_digest()  argument
96 	return __chksum_finup(0, data, length, out);  in chksum_digest()
109 		.cra_driver_name	=	"crct10dif-pclmul",
125 		return -ENODEV;  in crct10dif_intel_mod_init()
143 MODULE_ALIAS_CRYPTO("crct10dif-pclmul");