1#ifndef SHPC_H
2#define SHPC_H
3
4#include "qemu-common.h"
5#include "exec/memory.h"
6#include "hw/hotplug.h"
7#include "hw/pci/pci.h"
8
9struct SHPCDevice {
10
11 int cap;
12
13
14 int nslots;
15
16
17 uint8_t *config;
18
19
20
21 uint8_t *cmask;
22
23
24 uint8_t *wmask;
25
26
27 uint8_t *w1cmask;
28
29
30 MemoryRegion mmio;
31
32
33 PCIBus *sec_bus;
34
35
36 int msi_requested;
37};
38
39void shpc_reset(PCIDevice *d);
40int shpc_bar_size(PCIDevice *dev);
41int shpc_init(PCIDevice *dev, PCIBus *sec_bus, MemoryRegion *bar,
42 unsigned off, Error **errp);
43void shpc_cleanup(PCIDevice *dev, MemoryRegion *bar);
44void shpc_free(PCIDevice *dev);
45void shpc_cap_write_config(PCIDevice *d, uint32_t addr, uint32_t val, int len);
46
47
48void shpc_device_plug_cb(HotplugHandler *hotplug_dev, DeviceState *dev,
49 Error **errp);
50void shpc_device_unplug_cb(HotplugHandler *hotplug_dev, DeviceState *dev,
51 Error **errp);
52void shpc_device_unplug_request_cb(HotplugHandler *hotplug_dev,
53 DeviceState *dev, Error **errp);
54
55extern VMStateInfo shpc_vmstate_info;
56#define SHPC_VMSTATE(_field, _type, _test) \
57 VMSTATE_BUFFER_UNSAFE_INFO_TEST(_field, _type, _test, 0, \
58 shpc_vmstate_info, 0)
59
60static inline bool shpc_present(const PCIDevice *dev)
61{
62 return dev->cap_present & QEMU_PCI_CAP_SHPC;
63}
64
65#endif
66