4 * Copyright (c) 2010 Eduard - Gabriel Munteanu
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
29 struct iommu
*iommu_get(DeviceState
*dev
, DeviceState
**real_dev
)
34 bus
= dev
->parent_bus
;
51 int __iommu_rw(struct iommu
*iommu
,
53 target_phys_addr_t addr
,
59 target_phys_addr_t paddr
;
63 perms
= IOMMU_PERM_READ
;
65 perms
= IOMMU_PERM_WRITE
;
68 err
= iommu
->translate(iommu
, dev
, addr
, &paddr
, &plen
, perms
);
74 cpu_physical_memory_rw(paddr
, buf
, plen
, is_write
);