54 	vio_mblk_pool_t		*vmplp;  in vio_create_mblks()  local
65 	vmplp = kmem_zalloc(sizeof (*vmplp), KM_SLEEP);  in vio_create_mblks()
66 	vmplp->quelen = num_mblks;  in vio_create_mblks()
67 	vmplp->quemask = num_mblks - 1; /* expects quelen is power-of-2 */  in vio_create_mblks()
68 	vmplp->mblk_size = mblk_size;  in vio_create_mblks()
70 	mutex_init(&vmplp->hlock, NULL, MUTEX_DRIVER,  in vio_create_mblks()
72 	mutex_init(&vmplp->tlock, NULL, MUTEX_DRIVER,  in vio_create_mblks()
75 	vmplp->basep = kmem_zalloc(num_mblks * sizeof (vio_mblk_t), KM_SLEEP);  in vio_create_mblks()
77 		vmplp->datap = kmem_zalloc(num_mblks * mblk_size, KM_SLEEP);  in vio_create_mblks()
79 		vmplp->datap = mblk_datap;  in vio_create_mblks()
80 		vmplp->flag |= VMPL_FLAG_CLIENT_DATA;  in vio_create_mblks()
82 	vmplp->nextp = NULL;  in vio_create_mblks()
85 	vmplp->quep = kmem_zalloc(vmplp->quelen *  in vio_create_mblks()
87 	vmplp->head = 0;  in vio_create_mblks()
88 	vmplp->tail =  0;  in vio_create_mblks()
90 	for (i = 0, datap = vmplp->datap; i < num_mblks; i++) {  in vio_create_mblks()
92 		vmp = &(vmplp->basep[i]);  in vio_create_mblks()
93 		vmp->vmplp = vmplp;  in vio_create_mblks()
102 			vmplp->tail = vmplp->head;  in vio_create_mblks()
108 			rv = vio_destroy_mblks(vmplp);  in vio_create_mblks()
119 		vmplp->quep[vmplp->tail] = vmp;  in vio_create_mblks()
120 		vmplp->tail = (vmplp->tail + 1) & vmplp->quemask;  in vio_create_mblks()
125 	*poolp = vmplp;  in vio_create_mblks()
140 vio_destroy_mblks(vio_mblk_pool_t *vmplp)  in vio_destroy_mblks()  argument
148 	if (vmplp == NULL)  in vio_destroy_mblks()
156 		if (vmplp->head == vmplp->tail) {  in vio_destroy_mblks()
164 	if (vmplp->head != vmplp->tail) {  in vio_destroy_mblks()
168 	num_mblks = vmplp->quelen;  in vio_destroy_mblks()
177 	vmplp->flag |= VMPL_FLAG_DESTROYING;  in vio_destroy_mblks()
179 		vmp = &(vmplp->basep[i]);  in vio_destroy_mblks()
190 	vmplp->flag &= ~(VMPL_FLAG_DESTROYING);  in vio_destroy_mblks()
192 	kmem_free(vmplp->basep, num_mblks * sizeof (vio_mblk_t));  in vio_destroy_mblks()
193 	if ((vmplp->flag & VMPL_FLAG_CLIENT_DATA) == 0) {  in vio_destroy_mblks()
194 		kmem_free(vmplp->datap, num_mblks * vmplp->mblk_size);  in vio_destroy_mblks()
196 	kmem_free(vmplp->quep, num_mblks * sizeof (vio_mblk_t *));  in vio_destroy_mblks()
198 	mutex_destroy(&vmplp->hlock);  in vio_destroy_mblks()
199 	mutex_destroy(&vmplp->tlock);  in vio_destroy_mblks()
201 	kmem_free(vmplp, sizeof (*vmplp));  in vio_destroy_mblks()
211 vio_allocb(vio_mblk_pool_t *vmplp)  in vio_allocb()  argument
216 	mutex_enter(&vmplp->hlock);  in vio_allocb()
217 	head = (vmplp->head + 1) & vmplp->quemask;  in vio_allocb()
218 	if (head != vmplp->tail) {  in vio_allocb()
220 		vmp = vmplp->quep[vmplp->head];  in vio_allocb()
221 		vmplp->head = head;  in vio_allocb()
225 	mutex_exit(&vmplp->hlock);  in vio_allocb()
238 	vio_mblk_pool_t	*vmplp = vmp->vmplp;  in vio_freeb()  local
240 	if (vmplp->flag & VMPL_FLAG_DESTROYING) {  in vio_freeb()
251 	vmp->mp = desballoc(vmp->datap, vmplp->mblk_size,  in vio_freeb()
255 	mutex_enter(&vmplp->tlock);  in vio_freeb()
256 	vmplp->quep[vmplp->tail] = vmp;  in vio_freeb()
257 	vmplp->tail = (vmplp->tail + 1) & vmplp->quemask;  in vio_freeb()
258 	mutex_exit(&vmplp->tlock);  in vio_freeb()
271 vio_clobber_pool(vio_mblk_pool_t *vmplp)  in vio_clobber_pool()  argument
273 	uint64_t	num_mblks = vmplp->quelen;  in vio_clobber_pool()
277 	mutex_enter(&vmplp->hlock);  in vio_clobber_pool()
278 	mutex_enter(&vmplp->tlock);  in vio_clobber_pool()
280 		vmp = &(vmplp->basep[i]);  in vio_clobber_pool()
284 			ASSERT(vmplp->tail != vmplp->head);  in vio_clobber_pool()
285 			vmplp->quep[vmplp->tail] = vmp;  in vio_clobber_pool()
286 			vmplp->tail = (vmplp->tail + 1) & vmplp->quemask;  in vio_clobber_pool()
289 	mutex_exit(&vmplp->tlock);  in vio_clobber_pool()
290 	mutex_exit(&vmplp->hlock);  in vio_clobber_pool()