31 	struct ghash_desc_ctx *dctx = shash_desc_ctx(desc);  in ghash_init()  local
34 	memset(dctx, 0, sizeof(*dctx));  in ghash_init()
35 	memcpy(dctx->key, ctx->key, GHASH_BLOCK_SIZE);  in ghash_init()
58 	struct ghash_desc_ctx *dctx = shash_desc_ctx(desc);  in ghash_update()  local
60 	u8 *buf = dctx->buffer;  in ghash_update()
63 	if (dctx->bytes) {  in ghash_update()
64 		u8 *pos = buf + (GHASH_BLOCK_SIZE - dctx->bytes);  in ghash_update()
66 		n = min(srclen, dctx->bytes);  in ghash_update()
67 		dctx->bytes -= n;  in ghash_update()
73 		if (!dctx->bytes) {  in ghash_update()
74 			ret = crypt_s390_kimd(KIMD_GHASH, dctx, buf,  in ghash_update()
83 		ret = crypt_s390_kimd(KIMD_GHASH, dctx, src, n);  in ghash_update()
91 		dctx->bytes = GHASH_BLOCK_SIZE - srclen;  in ghash_update()
98 static int ghash_flush(struct ghash_desc_ctx *dctx)  in ghash_flush()  argument
100 	u8 *buf = dctx->buffer;  in ghash_flush()
103 	if (dctx->bytes) {  in ghash_flush()
104 		u8 *pos = buf + (GHASH_BLOCK_SIZE - dctx->bytes);  in ghash_flush()
106 		memset(pos, 0, dctx->bytes);  in ghash_flush()
108 		ret = crypt_s390_kimd(KIMD_GHASH, dctx, buf, GHASH_BLOCK_SIZE);  in ghash_flush()
112 		dctx->bytes = 0;  in ghash_flush()
120 	struct ghash_desc_ctx *dctx = shash_desc_ctx(desc);  in ghash_final()  local
123 	ret = ghash_flush(dctx);  in ghash_final()
125 		memcpy(dst, dctx->icv, GHASH_BLOCK_SIZE);  in ghash_final()