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#ifndef HW_XEN_HVM_COMMON_H
#define HW_XEN_HVM_COMMON_H
#include "qemu/units.h"
#include "cpu.h"
#include "hw/pci/pci.h"
#include "hw/hw.h"
#include "hw/xen/xen_native.h"
#include "hw/xen/xen-legacy-backend.h"
#include "system/runstate.h"
#include "system/system.h"
#include "system/xen.h"
#include "system/xen-mapcache.h"
#include "qemu/error-report.h"
#include <xen/hvm/ioreq.h>
extern MemoryRegion xen_memory;
extern MemoryRegion xen_grants;
extern MemoryListener xen_io_listener;
extern DeviceListener xen_device_listener;
//#define DEBUG_XEN_HVM
#ifdef DEBUG_XEN_HVM
#define DPRINTF(fmt, ...) \
do { fprintf(stderr, "xen: " fmt, ## __VA_ARGS__); } while (0)
#else
#define DPRINTF(fmt, ...) \
do { } while (0)
#endif
#define XEN_GRANT_ADDR_OFF (1ULL << 63)
static inline uint32_t xen_vcpu_eport(shared_iopage_t *shared_page, int i)
{
return shared_page->vcpu_ioreq[i].vp_eport;
}
static inline ioreq_t *xen_vcpu_ioreq(shared_iopage_t *shared_page, int vcpu)
{
return &shared_page->vcpu_ioreq[vcpu];
}
#define BUFFER_IO_MAX_DELAY 100
typedef struct XenPhysmap {
hwaddr start_addr;
ram_addr_t size;
const char *name;
hwaddr phys_offset;
QLIST_ENTRY(XenPhysmap) list;
} XenPhysmap;
typedef struct XenPciDevice {
PCIDevice *pci_dev;
uint32_t sbdf;
QLIST_ENTRY(XenPciDevice) entry;
} XenPciDevice;
typedef struct XenIOState {
ioservid_t ioservid;
shared_iopage_t *shared_page;
buffered_iopage_t *buffered_io_page;
xenforeignmemory_resource_handle *fres;
QEMUTimer *buffered_io_timer;
CPUState **cpu_by_vcpu_id;
/* the evtchn port for polling the notification, */
evtchn_port_t *ioreq_local_port;
/* evtchn remote and local ports for buffered io */
evtchn_port_t bufioreq_remote_port;
evtchn_port_t bufioreq_local_port;
/* the evtchn fd for polling */
xenevtchn_handle *xce_handle;
/* which vcpu we are serving */
int send_vcpu;
struct xs_handle *xenstore;
MemoryListener memory_listener;
MemoryListener io_listener;
QLIST_HEAD(, XenPciDevice) dev_list;
DeviceListener device_listener;
bool has_bufioreq;
Notifier exit;
} XenIOState;
void xen_exit_notifier(Notifier *n, void *data);
void xen_region_add(MemoryListener *listener, MemoryRegionSection *section);
void xen_region_del(MemoryListener *listener, MemoryRegionSection *section);
void xen_io_add(MemoryListener *listener, MemoryRegionSection *section);
void xen_io_del(MemoryListener *listener, MemoryRegionSection *section);
void xen_device_realize(DeviceListener *listener, DeviceState *dev);
void xen_device_unrealize(DeviceListener *listener, DeviceState *dev);
void xen_hvm_change_state_handler(void *opaque, bool running, RunState rstate);
void xen_register_ioreq(XenIOState *state, unsigned int max_cpus,
uint8_t handle_bufioreq,
const MemoryListener *xen_memory_listener);
void cpu_ioreq_pio(ioreq_t *req);
#endif /* HW_XEN_HVM_COMMON_H */
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