include/asm/cpacf.h

1 /* SPDX-License-Identifier: GPL-2.0 */
15 #include <linux/kmsan-checks.h>
41  * Function codes for the KM (CIPHER MESSAGE) instruction
61  * Function codes for the KMC (CIPHER MESSAGE WITH CHAINING)
77  * Function codes for the KMCTR (CIPHER MESSAGE WITH COUNTER)
92  * Function codes for the KIMD (COMPUTE INTERMEDIATE MESSAGE DIGEST)
106  * Function codes for the KLMD (COMPUTE LAST MESSAGE DIGEST)
119  * function codes for the KMAC (COMPUTE MESSAGE AUTHENTICATION CODE)
132  * Function codes for the PCKMO (PERFORM CRYPTOGRAPHIC KEY MANAGEMENT)
153  * Function codes for the PRNO (PERFORM RANDOM NUMBER OPERATION)
163  * Function codes for the KMA (CIPHER MESSAGE WITH AUTHENTICATION)
174 #define CPACF_KMA_LPC	0x100	/* Last-Plaintext/Ciphertext */
175 #define CPACF_KMA_LAAD	0x200	/* Last-AAD */
176 #define CPACF_KMA_HS	0x400	/* Hash-subkey Supplied */
187  * Function codes for KDSA (COMPUTE DIGITAL SIGNATURE AUTHENTICATION)
214  * Prototype for a not existing function to produce a link
295 					  cpacf_mask_t *mask)  in __cpacf_query()  argument
297 	__cpacf_query_insn(opcode, mask, CPACF_FC_QUERY);  in __cpacf_query()
329  * cpacf_query() - Query the function code mask for this CPACF opcode
331  * @mask: ptr to struct cpacf_mask_t
333  * Executes the query function for the given crypto instruction @opcode
336  * On success 1 is returned and the mask is filled with the function
337  * code mask for this CPACF opcode, otherwise 0 is returned.
339 static __always_inline int cpacf_query(unsigned int opcode, cpacf_mask_t *mask)  in cpacf_query()  argument
342 		__cpacf_query(opcode, mask);  in cpacf_query()
345 	memset(mask, 0, sizeof(*mask));  in cpacf_query()
349 static inline int cpacf_test_func(cpacf_mask_t *mask, unsigned int func)  in cpacf_test_func()  argument
351 	return (mask->bytes[func >> 3] & (0x80 >> (func & 7))) != 0;  in cpacf_test_func()
357 	cpacf_mask_t mask;  in cpacf_query_func()  local
359 	if (cpacf_query(opcode, &mask))  in cpacf_query_func()
360 		return cpacf_test_func(&mask, func);  in cpacf_query_func()
370  * cpacf_qai() - Get the query authentication information for a CPACF opcode
372  * @mask: ptr to struct cpacf_qai_t
374  * Executes the query authentication information function for the given crypto
377  * On success 1 is returned and the mask is filled with the query authentication
391  * cpacf_km() - executes the KM (CIPHER MESSAGE) instruction
392  * @func: the function code passed to KM; see CPACF_KM_xxx defines
419 	return src_len - s.odd;  in cpacf_km()
423  * cpacf_kmc() - executes the KMC (CIPHER MESSAGE WITH CHAINING) instruction
424  * @func: the function code passed to KM; see CPACF_KMC_xxx defines
451 	return src_len - s.odd;  in cpacf_kmc()
455  * cpacf_kimd() - executes the KIMD (COMPUTE INTERMEDIATE MESSAGE DIGEST)
457  * @func: the function code passed to KM; see CPACF_KIMD_xxx defines
481  * cpacf_klmd() - executes the KLMD (COMPUTE LAST MESSAGE DIGEST) instruction
482  * @func: the function code passed to KM; see CPACF_KLMD_xxx defines
506  * _cpacf_kmac() - executes the KMAC (COMPUTE MESSAGE AUTHENTICATION CODE)
533 	return src_len - s.odd;  in _cpacf_kmac()
537  * cpacf_kmac() - executes the KMAC (COMPUTE MESSAGE AUTHENTICATION CODE)
539  * @func: function code passed to KMAC; see CPACF_KMAC_xxx defines
553  * cpacf_kmctr() - executes the KMCTR (CIPHER MESSAGE WITH COUNTER) instruction
554  * @func: the function code passed to KMCTR; see CPACF_KMCTR_xxx defines
584 	return src_len - s.odd;  in cpacf_kmctr()
588  * cpacf_prno() - executes the PRNO (PERFORM RANDOM NUMBER OPERATION)
590  * @func: the function code passed to PRNO; see CPACF_PRNO_xxx defines
619  * cpacf_trng() - executes the TRNG subfunction of the PRNO instruction
646  * cpacf_pcc() - executes the PCC (PERFORM CRYPTOGRAPHIC COMPUTATION)
648  * @func: the function code passed to PCC; see CPACF_KM_xxx defines
665  * cpacf_pckmo() - executes the PCKMO (PERFORM CRYPTOGRAPHIC KEY
667  * @func: the function code passed to PCKMO; see CPACF_PCKMO_xxx defines
685  * cpacf_kma() - executes the KMA (CIPHER MESSAGE WITH AUTHENTICATION)
687  * @func: the function code passed to KMA; see CPACF_KMA_xxx defines