blob: d5683b73990857759d9d697be5a27f2c368b390c [file] [log] [blame]
#ifndef SHPC_H
#define SHPC_H
#include "exec/memory.h"
#include "hw/hotplug.h"
#include "hw/pci/pci.h"
#include "migration/vmstate.h"
struct SHPCDevice {
/* Capability offset in device's config space */
int cap;
/* # of hot-pluggable slots */
int nslots;
/* SHPC WRS: working register set */
uint8_t *config;
/* Used to enable checks on load. Note that writable bits are
* never checked even if set in cmask. */
uint8_t *cmask;
/* Used to implement R/W bytes */
uint8_t *wmask;
/* Used to implement RW1C(Write 1 to Clear) bytes */
uint8_t *w1cmask;
/* MMIO for the SHPC BAR */
MemoryRegion mmio;
/* Bus controlled by this SHPC */
PCIBus *sec_bus;
/* MSI already requested for this event */
int msi_requested;
void shpc_reset(PCIDevice *d);
int shpc_bar_size(PCIDevice *dev);
int shpc_init(PCIDevice *dev, PCIBus *sec_bus, MemoryRegion *bar,
unsigned off, Error **errp);
void shpc_cleanup(PCIDevice *dev, MemoryRegion *bar);
void shpc_free(PCIDevice *dev);
void shpc_cap_write_config(PCIDevice *d, uint32_t addr, uint32_t val, int len);
void shpc_device_plug_cb(HotplugHandler *hotplug_dev, DeviceState *dev,
Error **errp);
void shpc_device_unplug_cb(HotplugHandler *hotplug_dev, DeviceState *dev,
Error **errp);
void shpc_device_unplug_request_cb(HotplugHandler *hotplug_dev,
DeviceState *dev, Error **errp);
extern VMStateInfo shpc_vmstate_info;
#define SHPC_VMSTATE(_field, _type, _test) \
VMSTATE_BUFFER_UNSAFE_INFO_TEST(_field, _type, _test, 0, \
shpc_vmstate_info, 0)
static inline bool shpc_present(const PCIDevice *dev)
return dev->cap_present & QEMU_PCI_CAP_SHPC;