more/qemu/block.c

2227     if ((b->perm & a->shared_perm) == b->perm) {
2234     perms = bdrv_perm_names(b->perm & ~a->shared_perm);
2338     s->child->perm = s->old_perm;
2347 static void bdrv_child_set_perm(BdrvChild *c, uint64_t perm,
2355         .old_perm = c->perm,
2359     c->perm = perm;
2398 bdrv_drv_set_perm(BlockDriverState *bs, uint64_t perm, uint64_t shared_perm,
2407         int ret = bs->drv->bdrv_check_perm(bs, perm, shared_perm, errp);
2635 void bdrv_get_cumulative_perm(BlockDriverState *bs, uint64_t *perm,
2645         cumulative_perms |= c->perm;
2649     *perm = cumulative_perms;
2653 char *bdrv_perm_names(uint64_t perm)
2656         uint64_t perm;
2670         if (perm & p->perm) {
2709 int bdrv_child_try_set_perm(BdrvChild *c, uint64_t perm, uint64_t shared,
2718     bdrv_child_set_perm(c, perm, shared, tran);
2725         if ((perm & ~c->perm) || (c->shared_perm & ~shared)) {
2765                                       uint64_t perm, uint64_t shared,
2769     *nperm = perm & DEFAULT_PERM_PASSTHROUGH;
2776                                        uint64_t perm, uint64_t shared,
2786     perm &= BLK_PERM_CONSISTENT_READ;
2791      * TODO Require !(perm & BLK_PERM_CONSISTENT_READ), too?
2805     *nperm = perm;
2812                                            uint64_t perm, uint64_t shared,
2827                               perm, shared, &perm, &shared);
2832             perm |= BLK_PERM_WRITE | BLK_PERM_RESIZE;
2841             perm |= BLK_PERM_CONSISTENT_READ;
2868         if (perm & BLK_PERM_WRITE_UNCHANGED) {
2869             perm |= BLK_PERM_WRITE;
2876         if (perm & BLK_PERM_WRITE) {
2877             perm |= BLK_PERM_RESIZE;
2885     *nperm = perm;
2891                         uint64_t perm, uint64_t shared,
2899                                   perm, shared, nperm, nshared);
2903                                    perm, shared, nperm, nshared);
2906                                        perm, shared, nperm, nshared);
3085                          uint64_t perm, uint64_t shared_perm,
3096     if (bdrv_is_inactive(child_bs) && (perm & ~BLK_PERM_CONSISTENT_READ)) {
3097         g_autofree char *perm_names = bdrv_perm_names(perm);
3109         .perm           = perm,
3202     uint64_t perm, shared_perm;
3218     bdrv_get_cumulative_perm(parent_bs, &perm, &shared_perm);
3220                     perm, shared_perm, &perm, &shared_perm);
3223                                     child_role, perm, shared_perm, parent_bs,
3240                                   uint64_t perm, uint64_t shared_perm,
3250                                    child_role, perm, shared_perm, opaque,
6368         if (flag & child->perm) {
6369             QAPI_LIST_PREPEND(edge->perm, qapi_perm);
8315     assert(c->perm & (BLK_PERM_WRITE | BLK_PERM_WRITE_UNCHANGED));