jcs.org
qemu with hax to log dma reads & writes
jcs.org/2018/11/12/vfio
1/*
2 * ASPEED SDRAM Memory Controller
3 *
4 * Copyright (C) 2016 IBM Corp.
5 *
6 * This code is licensed under the GPL version 2 or later. See the
7 * COPYING file in the top-level directory.
8 */
9#ifndef ASPEED_SDMC_H
10#define ASPEED_SDMC_H
11
12#include "hw/sysbus.h"
13
14#define TYPE_ASPEED_SDMC "aspeed.sdmc"
15#define ASPEED_SDMC(obj) OBJECT_CHECK(AspeedSDMCState, (obj), TYPE_ASPEED_SDMC)
16#define TYPE_ASPEED_2400_SDMC TYPE_ASPEED_SDMC "-ast2400"
17#define TYPE_ASPEED_2500_SDMC TYPE_ASPEED_SDMC "-ast2500"
18#define TYPE_ASPEED_2600_SDMC TYPE_ASPEED_SDMC "-ast2600"
19
20#define ASPEED_SDMC_NR_REGS (0x174 >> 2)
21
22typedef struct AspeedSDMCState {
23 /*< private >*/
24 SysBusDevice parent_obj;
25
26 /*< public >*/
27 MemoryRegion iomem;
28
29 uint32_t regs[ASPEED_SDMC_NR_REGS];
30 uint64_t ram_size;
31 uint64_t max_ram_size;
32} AspeedSDMCState;
33
34#define ASPEED_SDMC_CLASS(klass) \
35 OBJECT_CLASS_CHECK(AspeedSDMCClass, (klass), TYPE_ASPEED_SDMC)
36#define ASPEED_SDMC_GET_CLASS(obj) \
37 OBJECT_GET_CLASS(AspeedSDMCClass, (obj), TYPE_ASPEED_SDMC)
38
39typedef struct AspeedSDMCClass {
40 SysBusDeviceClass parent_class;
41
42 uint64_t max_ram_size;
43 const uint64_t *valid_ram_sizes;
44 uint32_t (*compute_conf)(AspeedSDMCState *s, uint32_t data);
45 void (*write)(AspeedSDMCState *s, uint32_t reg, uint32_t data);
46} AspeedSDMCClass;
47
48#endif /* ASPEED_SDMC_H */