qemu/block/block-backend.c

70     uint64_t perm;
122 blk_set_perm_locked(BlockBackend *blk, uint64_t perm, uint64_t shared_perm,
177     blk_set_perm(blk, blk->perm, blk->shared_perm, &local_err);
211     blk_set_perm_locked(blk, blk->perm, BLK_PERM_ALL, &local_err);
230     blk_set_perm_locked(blk, blk->perm, blk->shared_perm, &local_err);
256     if (!(blk->perm & ~BLK_PERM_CONSISTENT_READ)) {
347  * @perm is a bitmasks of BLK_PERM_* constants which describes the permissions
355 BlockBackend *blk_new(AioContext *ctx, uint64_t perm, uint64_t shared_perm)
364     blk->perm = perm;
386  * @perm is a bitmasks of BLK_PERM_* constants which describes the
394 BlockBackend *blk_new_with_bs(BlockDriverState *bs, uint64_t perm,
397     BlockBackend *blk = blk_new(bdrv_get_aio_context(bs), perm, shared_perm);
428     uint64_t perm = 0;
445         perm |= BLK_PERM_CONSISTENT_READ;
447             perm |= BLK_PERM_WRITE;
451         perm |= BLK_PERM_RESIZE;
463     blk = blk_new(bdrv_get_aio_context(bs), perm, shared);
464     blk->perm = perm;
903     uint64_t perm, shared_perm;
911         perm = 0;
914         perm = blk->perm;
920                                        perm, shared_perm, blk, errp);
948 blk_set_perm_locked(BlockBackend *blk, uint64_t perm, uint64_t shared_perm,
955         ret = bdrv_child_try_set_perm(blk->root, perm, shared_perm, errp);
961     blk->perm = perm;
967 int blk_set_perm(BlockBackend *blk, uint64_t perm, uint64_t shared_perm,
973     return blk_set_perm_locked(blk, perm, shared_perm, errp);
976 void blk_get_perm(BlockBackend *blk, uint64_t *perm, uint64_t *shared_perm)
979     *perm = blk->perm;
2216     return blk->perm & BLK_PERM_WRITE;