cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
Log | Files | Refs | Submodules | LICENSE | sfeed.txt

xen_pvdev.h (2939B)

      1#ifndef QEMU_HW_XEN_PVDEV_H
      2#define QEMU_HW_XEN_PVDEV_H
      3
      4#include "hw/xen/xen_common.h"
      5/* ------------------------------------------------------------- */
      6
      7#define XEN_BUFSIZE 1024
      8
      9struct XenLegacyDevice;
     10
     11/* driver uses grant tables  ->  open gntdev device (xendev->gnttabdev) */
     12#define DEVOPS_FLAG_NEED_GNTDEV   1
     13/* don't expect frontend doing correct state transitions (aka console quirk) */
     14#define DEVOPS_FLAG_IGNORE_STATE  2
     15
     16struct XenDevOps {
     17    size_t    size;
     18    uint32_t  flags;
     19    void      (*alloc)(struct XenLegacyDevice *xendev);
     20    int       (*init)(struct XenLegacyDevice *xendev);
     21    int       (*initialise)(struct XenLegacyDevice *xendev);
     22    void      (*connected)(struct XenLegacyDevice *xendev);
     23    void      (*event)(struct XenLegacyDevice *xendev);
     24    void      (*disconnect)(struct XenLegacyDevice *xendev);
     25    int       (*free)(struct XenLegacyDevice *xendev);
     26    void      (*backend_changed)(struct XenLegacyDevice *xendev,
     27                                 const char *node);
     28    void      (*frontend_changed)(struct XenLegacyDevice *xendev,
     29                                  const char *node);
     30    int       (*backend_register)(void);
     31};
     32
     33struct XenLegacyDevice {
     34    DeviceState        qdev;
     35    const char         *type;
     36    int                dom;
     37    int                dev;
     38    char               name[64];
     39    int                debug;
     40
     41    enum xenbus_state  be_state;
     42    enum xenbus_state  fe_state;
     43    int                online;
     44    char               be[XEN_BUFSIZE];
     45    char               *fe;
     46    char               *protocol;
     47    int                remote_port;
     48    int                local_port;
     49
     50    xenevtchn_handle   *evtchndev;
     51    xengnttab_handle   *gnttabdev;
     52
     53    struct XenDevOps   *ops;
     54    QTAILQ_ENTRY(XenLegacyDevice) next;
     55};
     56
     57/* ------------------------------------------------------------- */
     58
     59/* xenstore helper functions */
     60int xenstore_write_str(const char *base, const char *node, const char *val);
     61int xenstore_write_int(const char *base, const char *node, int ival);
     62int xenstore_write_int64(const char *base, const char *node, int64_t ival);
     63char *xenstore_read_str(const char *base, const char *node);
     64int xenstore_read_int(const char *base, const char *node, int *ival);
     65int xenstore_read_uint64(const char *base, const char *node, uint64_t *uval);
     66void xenstore_update(void *unused);
     67
     68const char *xenbus_strstate(enum xenbus_state state);
     69
     70void xen_pv_evtchn_event(void *opaque);
     71void xen_pv_insert_xendev(struct XenLegacyDevice *xendev);
     72void xen_pv_del_xendev(struct XenLegacyDevice *xendev);
     73struct XenLegacyDevice *xen_pv_find_xendev(const char *type, int dom, int dev);
     74
     75void xen_pv_unbind_evtchn(struct XenLegacyDevice *xendev);
     76int xen_pv_send_notify(struct XenLegacyDevice *xendev);
     77
     78void xen_pv_printf(struct XenLegacyDevice *xendev, int msg_level,
     79                   const char *fmt, ...)  GCC_FMT_ATTR(3, 4);
     80
     81#endif /* QEMU_HW_XEN_PVDEV_H */