Archipelago » qemu

#ifndef SHPC_H

#define SHPC_H

#include "qemu-common.h"

#include "exec/memory.h"

#include "migration/vmstate.h"

#include "qapi/error.h"

#include "hw/hotplug.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);

void shpc_cleanup(PCIDevice *dev, MemoryRegion *bar);

void shpc_cap_write_config(PCIDevice *d, uint32_t addr, uint32_t val, int len);

void shpc_device_hotplug_cb(HotplugHandler *hotplug_dev, DeviceState *dev,

                            Error **errp);

void shpc_device_hot_unplug_cb(HotplugHandler *hotplug_dev, DeviceState *dev,

                               Error **errp);

extern VMStateInfo shpc_vmstate_info;

#define SHPC_VMSTATE(_field, _type) \

    VMSTATE_BUFFER_UNSAFE_INFO(_field, _type, 0, shpc_vmstate_info, 0)

#endif