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introduce mmio_interface

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This introduces mmio_interface object which contains a MemoryRegion
and can be hotplugged/hotunplugged.

Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
This commit is contained in:
KONRAD Frederic 2017-02-16 10:27:00 +01:00 • committed by Edgar E. Iglesias
parent ed03d749f3
commit 7cc2298c46
3 changed files with 178 additions and 0 deletions
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49
include/hw/misc/mmio_interface.h Normal file
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/*
* mmio_interface.h
*
* Copyright (C) 2017 : GreenSocs
* http://www.greensocs.com/ , email: info@greensocs.com
*
* Developed by :
* Frederic Konrad <fred.konrad@greensocs.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option)any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef MMIO_INTERFACE_H
#define MMIO_INTERFACE_H
#include "exec/memory.h"
#define TYPE_MMIO_INTERFACE "mmio_interface"
#define MMIO_INTERFACE(obj) OBJECT_CHECK(MMIOInterface, (obj), \
TYPE_MMIO_INTERFACE)
typedef struct MMIOInterface {
DeviceState parent_obj;
MemoryRegion *subregion;
MemoryRegion ram_mem;
uint64_t start;
uint64_t end;
bool ro;
uint64_t id;
void *host_ptr;
} MMIOInterface;
void mmio_interface_map(MMIOInterface *s);
void mmio_interface_unmap(MMIOInterface *s);
#endif /* MMIO_INTERFACE_H */