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Differential D22313 Diff 64170 sys/dev/hyperv/utilities/hv_snapshot.c

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sys/dev/hyperv/utilities/hv_snapshot.c

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#define VSS_MAJOR 5 #define VSS_MAJOR 5
#define VSS_MINOR 0 #define VSS_MINOR 0
#define VSS_MSGVER VMBUS_IC_VERSION(VSS_MAJOR, VSS_MINOR) #define VSS_MSGVER VMBUS_IC_VERSION(VSS_MAJOR, VSS_MINOR)
#define VSS_FWVER_MAJOR 3 #define VSS_FWVER_MAJOR 3
#define VSS_FWVER VMBUS_IC_VERSION(VSS_FWVER_MAJOR, 0) #define VSS_FWVER VMBUS_IC_VERSION(VSS_FWVER_MAJOR, 0)
#define TIMEOUT_LIMIT (15) // seconds #define TIMEOUT_LIMIT (15) // seconds
#define VSS_FREEZE_TIMEOUT (15 * 60) // seconds
enum hv_vss_op { enum hv_vss_op {
VSS_OP_CREATE = 0, VSS_OP_CREATE = 0,
VSS_OP_DELETE, VSS_OP_DELETE,
VSS_OP_HOT_BACKUP, VSS_OP_HOT_BACKUP,
VSS_OP_GET_DM_INFO, VSS_OP_GET_DM_INFO,
VSS_OP_BU_COMPLETE, VSS_OP_BU_COMPLETE,
/* /*
* Following operations are only supported with IC version >= 5.0 * Following operations are only supported with IC version >= 5.0
▲ Show 20 Lines • Show All 692 Lines • ▼ Show 20 Lineshv_vss_start_notify(hv_vss_req_internal *reqp, uint32_t opt)
*/ */
switch (opt) { switch (opt) {
case VSS_OP_FREEZE: case VSS_OP_FREEZE:
case VSS_OP_HOT_BACKUP: case VSS_OP_HOT_BACKUP:
if (sc->app_register_done) if (sc->app_register_done)
hv_vss_notify(&sc->app_sc, reqp); hv_vss_notify(&sc->app_sc, reqp);
else else
hv_vss_notify(&sc->daemon_sc, reqp); hv_vss_notify(&sc->daemon_sc, reqp);
callout_reset(&reqp->callout, TIMEOUT_LIMIT * hz, callout_reset(&reqp->callout, opt == VSS_OP_FREEZE ?
VSS_FREEZE_TIMEOUT * hz : TIMEOUT_LIMIT * hz,
hv_vss_timeout, reqp); hv_vss_timeout, reqp);
break; break;
case VSS_OP_THAW: case VSS_OP_THAW:
hv_vss_notify(&sc->daemon_sc, reqp); hv_vss_notify(&sc->daemon_sc, reqp);
callout_reset(&reqp->callout, TIMEOUT_LIMIT * hz, callout_reset(&reqp->callout, TIMEOUT_LIMIT * hz,
hv_vss_timeout, reqp); hv_vss_timeout, reqp);
break; break;
} }
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