75 	ioat_rs_t *rstruct;  in ioat_rs_init()  local
84 	rstruct = kmem_alloc(sizeof (ioat_rs_t), KM_SLEEP);  in ioat_rs_init()
92 		rstruct->rs_free_size = (max_val >> 6) * 8;  in ioat_rs_init()
94 		rstruct->rs_free_size = ((max_val >> 6) + 1) * 8;  in ioat_rs_init()
96 	rstruct->rs_free = kmem_alloc(rstruct->rs_free_size, KM_SLEEP);  in ioat_rs_init()
99 	rstruct->rs_min = min_val;  in ioat_rs_init()
100 	rstruct->rs_last = min_val;  in ioat_rs_init()
101 	rstruct->rs_max = max_val;  in ioat_rs_init()
102 	mutex_init(&rstruct->rs_mutex, NULL, MUTEX_DRIVER,  in ioat_rs_init()
106 	array_size = rstruct->rs_free_size >> 3;  in ioat_rs_init()
108 		rstruct->rs_free[index] = (uint64_t)0xFFFFFFFFFFFFFFFF;  in ioat_rs_init()
112 	*handle = rstruct;  in ioat_rs_init()
125 	ioat_rs_t *rstruct;  in ioat_rs_fini()  local
130 	rstruct = (ioat_rs_t *)*handle;  in ioat_rs_fini()
132 	mutex_destroy(&rstruct->rs_mutex);  in ioat_rs_fini()
133 	kmem_free(rstruct->rs_free, rstruct->rs_free_size);  in ioat_rs_fini()
134 	kmem_free(rstruct, sizeof (ioat_rs_t));  in ioat_rs_fini()
148 	ioat_rs_t *rstruct;  in ioat_rs_alloc()  local
160 	rstruct = (ioat_rs_t *)handle;  in ioat_rs_alloc()
162 	mutex_enter(&rstruct->rs_mutex);  in ioat_rs_alloc()
163 	min = rstruct->rs_min;  in ioat_rs_alloc()
164 	max = rstruct->rs_max;  in ioat_rs_alloc()
173 		array_idx = rstruct->rs_last >> 6;  in ioat_rs_alloc()
174 		free = rstruct->rs_free[array_idx];  in ioat_rs_alloc()
175 		last = rstruct->rs_last & 0x3F;  in ioat_rs_alloc()
180 			*resource = rstruct->rs_last;  in ioat_rs_alloc()
183 			rstruct->rs_free[array_idx] &= ~((uint64_t)1 << last);  in ioat_rs_alloc()
190 			rstruct->rs_last++;  in ioat_rs_alloc()
191 			if (rstruct->rs_last > max) {  in ioat_rs_alloc()
192 				rstruct->rs_last = rstruct->rs_min;  in ioat_rs_alloc()
196 			mutex_exit(&rstruct->rs_mutex);  in ioat_rs_alloc()
205 		rstruct->rs_last++;  in ioat_rs_alloc()
206 		if (rstruct->rs_last > max) {  in ioat_rs_alloc()
207 			rstruct->rs_last = rstruct->rs_min;  in ioat_rs_alloc()
211 	mutex_exit(&rstruct->rs_mutex);  in ioat_rs_alloc()
225 	ioat_rs_t *rstruct;  in ioat_rs_free()  local
232 	rstruct = (ioat_rs_t *)handle;  in ioat_rs_free()
233 	ASSERT(resource >= rstruct->rs_min);  in ioat_rs_free()
234 	ASSERT(resource <= rstruct->rs_max);  in ioat_rs_free()
236 	mutex_enter(&rstruct->rs_mutex);  in ioat_rs_free()
241 	rstruct->rs_free[array_idx] |= ((uint64_t)1 << offset);  in ioat_rs_free()
243 	mutex_exit(&rstruct->rs_mutex);  in ioat_rs_free()