4  * Redistribution and use in source and binary forms, with or without
8  *     * Redistributions in binary form must reproduce the above copyright
123 /* Hard-coded configuration:
124  * These values are used as hard-coded values for KeyGen configuration
125  * and they replace user selections for this hard-coded version
136  * - the value for symmetric hash usage must be in accordance with hash
138  * - according to tests performed, spreading is not working if symmetric
234 		 * Must be between 1 and 2^24-1
274 	iowrite32be(fmkg_ar, &regs->fmkg_ar);  in keygen_write_ar_wait()
278 		fmkg_ar = ioread32be(&regs->fmkg_ar);  in keygen_write_ar_wait()
281 		return -EINVAL;  in keygen_write_ar_wait()
342 	tmp = ioread32be(&regs->fmkg_pe.fmkg_pe_sp);  in keygen_write_sp()
349 	iowrite32be(tmp, &regs->fmkg_pe.fmkg_pe_sp);  in keygen_write_sp()
383 	iowrite32be(cpp, &regs->fmkg_pe.fmkg_pe_cpp);  in keygen_write_cpp()
405 	iowrite32be(scheme_regs->kgse_mode, &regs->fmkg_sch.kgse_mode);  in keygen_write_scheme()
406 	iowrite32be(scheme_regs->kgse_ekfc, &regs->fmkg_sch.kgse_ekfc);  in keygen_write_scheme()
407 	iowrite32be(scheme_regs->kgse_ekdv, &regs->fmkg_sch.kgse_ekdv);  in keygen_write_scheme()
408 	iowrite32be(scheme_regs->kgse_bmch, &regs->fmkg_sch.kgse_bmch);  in keygen_write_scheme()
409 	iowrite32be(scheme_regs->kgse_bmcl, &regs->fmkg_sch.kgse_bmcl);  in keygen_write_scheme()
410 	iowrite32be(scheme_regs->kgse_fqb, &regs->fmkg_sch.kgse_fqb);  in keygen_write_scheme()
411 	iowrite32be(scheme_regs->kgse_hc, &regs->fmkg_sch.kgse_hc);  in keygen_write_scheme()
412 	iowrite32be(scheme_regs->kgse_ppc, &regs->fmkg_sch.kgse_ppc);  in keygen_write_scheme()
413 	iowrite32be(scheme_regs->kgse_spc, &regs->fmkg_sch.kgse_spc);  in keygen_write_scheme()
414 	iowrite32be(scheme_regs->kgse_dv0, &regs->fmkg_sch.kgse_dv0);  in keygen_write_scheme()
415 	iowrite32be(scheme_regs->kgse_dv1, &regs->fmkg_sch.kgse_dv1);  in keygen_write_scheme()
416 	iowrite32be(scheme_regs->kgse_ccbs, &regs->fmkg_sch.kgse_ccbs);  in keygen_write_scheme()
417 	iowrite32be(scheme_regs->kgse_mv, &regs->fmkg_sch.kgse_mv);  in keygen_write_scheme()
418 	iowrite32be(scheme_regs->kgse_om, &regs->fmkg_sch.kgse_om);  in keygen_write_scheme()
419 	iowrite32be(scheme_regs->kgse_vsp, &regs->fmkg_sch.kgse_vsp);  in keygen_write_scheme()
422 		iowrite32be(scheme_regs->kgse_gec[i],  in keygen_write_scheme()
423 			    &regs->fmkg_sch.kgse_gec[i]);  in keygen_write_scheme()
443  * Return: 0 on success, -EINVAL when the are no available free schemes
450 		if (!keygen->schemes[i].used) {  in get_free_scheme_id()
455 	return -EINVAL;  in get_free_scheme_id()
472 	return &keygen->schemes[scheme_id];  in get_scheme()
489 	struct fman_kg_regs __iomem *keygen_regs = keygen->keygen_regs;  in keygen_bind_port_to_schemes()
498 		return -EINVAL;  in keygen_bind_port_to_schemes()
500 	if (!scheme->used) {  in keygen_bind_port_to_schemes()
502 		return -EINVAL;  in keygen_bind_port_to_schemes()
505 	schemes_vector |= 1 << (31 - scheme_id);  in keygen_bind_port_to_schemes()
507 	ar_reg = build_ar_bind_scheme(scheme->hw_port_id, false);  in keygen_bind_port_to_schemes()
516 	ar_reg = build_ar_bind_scheme(scheme->hw_port_id, true);  in keygen_bind_port_to_schemes()
539 	struct fman_kg_regs __iomem *keygen_regs = keygen->keygen_regs;  in keygen_scheme_setup()
548 		return -EINVAL;  in keygen_scheme_setup()
550 	if (enable && scheme->used) {  in keygen_scheme_setup()
552 		return -EINVAL;  in keygen_scheme_setup()
570 	scheme_regs.kgse_mv = scheme->match_vector;  in keygen_scheme_setup()
577 	/* Configure Hard-Coded Rx Hashing: */  in keygen_scheme_setup()
579 	if (scheme->use_hashing) {  in keygen_scheme_setup()
598 		tmp_reg |= ((scheme->hash_fqid_count - 1) <<  in keygen_scheme_setup()
600 		tmp_reg |= scheme->hashShift << KG_SCH_HASH_CONFIG_SHIFT_SHIFT;  in keygen_scheme_setup()
602 		if (scheme->symmetric_hash) {  in keygen_scheme_setup()
605 			 * But because extraction is hard-coded, we are sure  in keygen_scheme_setup()
621 	tmp_reg |= scheme->base_fqid;  in keygen_scheme_setup()
624 	/* features not used by hard-coded configuration */  in keygen_scheme_setup()
637 	scheme->used = enable;  in keygen_scheme_setup()
663 	keygen->keygen_regs = keygen_regs;  in keygen_init()
668 	iowrite32be(ENQUEUE_KG_DFLT_NIA, &keygen_regs->fmkg_gcr);  in keygen_init()
671 		    &keygen_regs->fmkg_eer);  in keygen_init()
673 	iowrite32be(0, &keygen_regs->fmkg_fdor);  in keygen_init()
674 	iowrite32be(0, &keygen_regs->fmkg_gdv0r);  in keygen_init()
675 	iowrite32be(0, &keygen_regs->fmkg_gdv1r);  in keygen_init()
693 	iowrite32be(0xFFFFFFFF, &keygen_regs->fmkg_seer);  in keygen_init()
694 	iowrite32be(0xFFFFFFFF, &keygen_regs->fmkg_seeer);  in keygen_init()
697 	iowrite32be(ioread32be(&keygen_regs->fmkg_gcr) | FM_KG_KGGCR_EN,  in keygen_init()
698 		    &keygen_regs->fmkg_gcr);  in keygen_init()
724 		pr_err("Base FQID must be between 1 and 2^24-1\n");  in keygen_port_hashing_init()
725 		return -EINVAL;  in keygen_port_hashing_init()
727 	if (hash_size == 0 || (hash_size & (hash_size - 1)) != 0) {  in keygen_port_hashing_init()
729 		return -EINVAL;  in keygen_port_hashing_init()
736 		return -EINVAL;  in keygen_port_hashing_init()
739 	/* Create and configure Hard-Coded Scheme: */  in keygen_port_hashing_init()
744 		return -EINVAL;  in keygen_port_hashing_init()
746 	if (scheme->used) {  in keygen_port_hashing_init()
748 		return -EINVAL;  in keygen_port_hashing_init()
757 	scheme->hw_port_id = hw_port_id;  in keygen_port_hashing_init()
758 	scheme->use_hashing = true;  in keygen_port_hashing_init()
759 	scheme->base_fqid = hash_base_fqid;  in keygen_port_hashing_init()
760 	scheme->hash_fqid_count = hash_size;  in keygen_port_hashing_init()
761 	scheme->symmetric_hash = DEFAULT_SYMMETRIC_HASH;  in keygen_port_hashing_init()
762 	scheme->hashShift = DEFAULT_HASH_SHIFT;  in keygen_port_hashing_init()
764 	/* All Schemes in hard-coded configuration  in keygen_port_hashing_init()
767 	scheme->match_vector = 0;  in keygen_port_hashing_init()