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hw/xen: Add xenstore operations to allow redirection to internal emulation

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Signed-off-by: Paul Durrant <pdurrant@amazon.com>
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Paul Durrant <paul@xen.org>
This commit is contained in:
Paul Durrant 2023-01-02 11:05:16 +00:00 • committed by David Woodhouse
parent 15e283c5b6
commit ba2a92db1f
18 changed files with 532 additions and 416 deletions
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17
include/hw/xen/xen-bus.h
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@ -9,29 +9,23 @@
#define HW_XEN_BUS_H
#include "hw/xen/xen_backend_ops.h"
#include "hw/xen/interface/io/xenbus.h"
#include "hw/sysbus.h"
#include "qemu/notify.h"
#include "qom/object.h"
typedef void (*XenWatchHandler)(void *opaque);
typedef struct XenWatchList XenWatchList;
typedef struct XenWatch XenWatch;
typedef struct XenEventChannel XenEventChannel;
struct XenDevice {
DeviceState qdev;
domid_t frontend_id;
char *name;
struct xs_handle *xsh;
XenWatchList *watch_list;
struct qemu_xs_handle *xsh;
char *backend_path, *frontend_path;
enum xenbus_state backend_state, frontend_state;
Notifier exit;
XenWatch *backend_state_watch, *frontend_state_watch;
struct qemu_xs_watch *backend_state_watch, *frontend_state_watch;
bool backend_online;
XenWatch *backend_online_watch;
struct qemu_xs_watch *backend_online_watch;
xengnttab_handle *xgth;
bool inactive;
QLIST_HEAD(, XenEventChannel) event_channels;
@ -64,10 +58,9 @@ OBJECT_DECLARE_TYPE(XenDevice, XenDeviceClass, XEN_DEVICE)
struct XenBus {
BusState qbus;
domid_t backend_id;
struct xs_handle *xsh;
XenWatchList *watch_list;
struct qemu_xs_handle *xsh;
unsigned int backend_types;
XenWatch **backend_watch;
struct qemu_xs_watch **backend_watch;
QLIST_HEAD(, XenDevice) inactive_devices;
};