101 static physmem_entsrc_t entsrc;		/* Physical mem as an entropy source */  variable
229 	if (physmem_ent_init(&entsrc) != 0) {  in _init()
254 	physmem_ent_fini(&entsrc);  in _init()
340 			physmem_ent_gen(&entsrc);  in swrand_get_entropy()
590 physmem_ent_init(physmem_entsrc_t *entsrc)  in physmem_ent_init()  argument
595 	bzero(entsrc, sizeof (*entsrc));  in physmem_ent_init()
603 		entsrc->entperblock++;  in physmem_ent_init()
608 	if (entsrc->nblocks == 0) {  in physmem_ent_init()
614 	entsrc->parity = kmem_alloc(howmany(entsrc->nblocks, 8),  in physmem_ent_init()
616 	entsrc->pmbuf = vmem_alloc(heap_arena, PAGESIZE, VM_SLEEP);  in physmem_ent_init()
620 	i = howmany(entsrc->nblocks, 8);  in physmem_ent_init()
621 	ptr = entsrc->parity;  in physmem_ent_init()
638 	physmem_ent_gen(entsrc);  in physmem_ent_init()
646 physmem_ent_fini(physmem_entsrc_t *entsrc)  in physmem_ent_fini()  argument
648 	if (entsrc->pmbuf != NULL)  in physmem_ent_fini()
649 		vmem_free(heap_arena, entsrc->pmbuf, PAGESIZE);  in physmem_ent_fini()
650 	if (entsrc->parity != NULL)  in physmem_ent_fini()
651 		kmem_free(entsrc->parity, howmany(entsrc->nblocks, 8));  in physmem_ent_fini()
652 	bzero(entsrc, sizeof (*entsrc));  in physmem_ent_fini()
656 physmem_ent_gen(physmem_entsrc_t *entsrc)  in physmem_ent_gen()  argument
689 		ASSERT(entsrc->nblocks > 0);  in physmem_ent_gen()
692 		block = oblock = srndpool[i] % entsrc->nblocks;  in physmem_ent_gen()
741 			hat_devload(kas.a_hat, entsrc->pmbuf,  in physmem_ent_gen()
745 			HashUpdate(&ctx, (uint8_t *)entsrc->pmbuf + poffset,  in physmem_ent_gen()
748 			hat_unload(kas.a_hat, entsrc->pmbuf, PAGESIZE,  in physmem_ent_gen()
776 		delta = diff - entsrc->last_diff;  in physmem_ent_gen()
779 		delta2 = delta - entsrc->last_delta;  in physmem_ent_gen()
782 		delta3 = delta2 - entsrc->last_delta2;  in physmem_ent_gen()
785 		entsrc->last_diff = diff;  in physmem_ent_gen()
786 		entsrc->last_delta = delta;  in physmem_ent_gen()
787 		entsrc->last_delta2 = delta2;  in physmem_ent_gen()
804 		if (physmem_parity_update(entsrc->parity, oblock,  in physmem_ent_gen()
806 			ent += 2 * entsrc->entperblock;  in physmem_ent_gen()
834 	entsrc.nblocks = 0;  in physmem_count_blocks()
836 		entsrc.nblocks += pmem->ml_size / MEMBLOCKSIZE;  in physmem_count_blocks()
837 		if (entsrc.nblocks > MAXMEMBLOCKS) {  in physmem_count_blocks()
838 			entsrc.nblocks = MAXMEMBLOCKS;  in physmem_count_blocks()
902 	physmem_ent_gen(&entsrc);  in rnd_handler()