7 #include <linux/t10-pi.h>
44 		struct t10_pi_tuple *pi = iter->prot_buf + offset;  in t10_pi_generate()  local
46 		pi->guard_tag = t10_pi_csum(0, iter->data_buf, iter->interval,  in t10_pi_generate()
49 			pi->guard_tag = t10_pi_csum(pi->guard_tag,  in t10_pi_generate()
51 		pi->app_tag = 0;  in t10_pi_generate()
54 			pi->ref_tag = cpu_to_be32(lower_32_bits(iter->seed));  in t10_pi_generate()
56 			pi->ref_tag = 0;  in t10_pi_generate()
71 		struct t10_pi_tuple *pi = iter->prot_buf + offset;  in t10_pi_verify()  local
75 			if (pi->app_tag == T10_PI_APP_ESCAPE)  in t10_pi_verify()
78 			if (be32_to_cpu(pi->ref_tag) !=  in t10_pi_verify()
83 				       iter->seed, be32_to_cpu(pi->ref_tag));  in t10_pi_verify()
87 			if (pi->app_tag == T10_PI_APP_ESCAPE &&  in t10_pi_verify()
88 			    pi->ref_tag == T10_PI_REF_ESCAPE)  in t10_pi_verify()
98 		if (pi->guard_tag != csum) {  in t10_pi_verify()
102 			       be16_to_cpu(pi->guard_tag), be16_to_cpu(csum));  in t10_pi_verify()
116  * t10_pi_type1_prepare - prepare PI prior submitting request to device
117  * @rq:              request with PI that should be prepared
149 				struct t10_pi_tuple *pi = p + offset;  in t10_pi_type1_prepare()  local
151 				if (be32_to_cpu(pi->ref_tag) == virt)  in t10_pi_type1_prepare()
152 					pi->ref_tag = cpu_to_be32(ref_tag);  in t10_pi_type1_prepare()
165  * t10_pi_type1_complete - prepare PI prior returning request to the blk layer
166  * @rq:              request with PI that should be prepared
197 				struct t10_pi_tuple *pi = p + offset;  in t10_pi_type1_complete()  local
199 				if (be32_to_cpu(pi->ref_tag) == ref_tag)  in t10_pi_type1_complete()
200 					pi->ref_tag = cpu_to_be32(virt);  in t10_pi_type1_complete()
223 		struct crc64_pi_tuple *pi = iter->prot_buf + offset;  in ext_pi_crc64_generate()  local
225 		pi->guard_tag = ext_pi_crc64(0, iter->data_buf, iter->interval);  in ext_pi_crc64_generate()
227 			pi->guard_tag = ext_pi_crc64(be64_to_cpu(pi->guard_tag),  in ext_pi_crc64_generate()
229 		pi->app_tag = 0;  in ext_pi_crc64_generate()
232 			put_unaligned_be48(iter->seed, pi->ref_tag);  in ext_pi_crc64_generate()
234 			put_unaligned_be48(0ULL, pi->ref_tag);  in ext_pi_crc64_generate()
256 		struct crc64_pi_tuple *pi = iter->prot_buf + offset;  in ext_pi_crc64_verify()  local
261 			if (pi->app_tag == T10_PI_APP_ESCAPE)  in ext_pi_crc64_verify()
264 			ref = get_unaligned_be48(pi->ref_tag);  in ext_pi_crc64_verify()
272 			if (pi->app_tag == T10_PI_APP_ESCAPE &&  in ext_pi_crc64_verify()
273 			    ext_pi_ref_escape(pi->ref_tag))  in ext_pi_crc64_verify()
282 		if (pi->guard_tag != csum) {  in ext_pi_crc64_verify()
286 				be64_to_cpu(pi->guard_tag), be64_to_cpu(csum));  in ext_pi_crc64_verify()
323 				struct crc64_pi_tuple *pi = p +  offset;  in ext_pi_type1_prepare()  local
324 				u64 ref = get_unaligned_be48(pi->ref_tag);  in ext_pi_type1_prepare()
327 					put_unaligned_be48(ref_tag, pi->ref_tag);  in ext_pi_type1_prepare()
360 				struct crc64_pi_tuple *pi = p + offset;  in ext_pi_type1_complete()  local
361 				u64 ref = get_unaligned_be48(pi->ref_tag);  in ext_pi_type1_complete()
364 					put_unaligned_be48(virt, pi->ref_tag);  in ext_pi_type1_complete()