static void dev_refresh(const char *udi)
{
    const char *name = hal_name(udi);
    virNodeDeviceObjPtr dev;

    nodeDeviceLock(driverState);
    dev = virNodeDeviceFindByName(&driverState->devs, name);
    if (dev) {
        /* Simply "rediscover" device -- incrementally handling changes
         * to sub-capabilities (like net.80203) is nasty ... so avoid it.
         */
        virNodeDeviceObjRemove(&driverState->devs, dev);
    } else
        VIR_DEBUG("no device named %s", name);
    nodeDeviceUnlock(driverState);

    if (dev) {
        dev_create(udi);
    }
}
Beispiel #2
0
static void
dev_create(const char *udi)
{
    LibHalContext *ctx;
    char *parent_key = NULL;
    virNodeDeviceObjPtr dev = NULL;
    virNodeDeviceDefPtr def = NULL;
    const char *name = hal_name(udi);
    int rv;
    char *privData;
    char *devicePath = NULL;

    if (VIR_STRDUP(privData, udi) < 0)
        return;

    nodeDeviceLock(driverState);
    ctx = DRV_STATE_HAL_CTX(driverState);

    if (VIR_ALLOC(def) < 0)
        goto failure;

    if (VIR_STRDUP(def->name, name) < 0)
        goto failure;

    if (get_str_prop(ctx, udi, "info.parent", &parent_key) == 0) {
        if (VIR_STRDUP(def->parent, hal_name(parent_key)) < 0) {
            VIR_FREE(parent_key);
            goto failure;
        }
        VIR_FREE(parent_key);
    }

    rv = gather_capabilities(ctx, udi, &def->caps);
    if (rv != 0) goto failure;

    if (def->caps == NULL)
        goto cleanup;

    /* Some devices don't have a path in sysfs, so ignore failure */
    (void)get_str_prop(ctx, udi, "linux.sysfs_path", &devicePath);

    dev = virNodeDeviceAssignDef(&driverState->devs,
                                 def);

    if (!dev) {
        VIR_FREE(devicePath);
        goto failure;
    }

    dev->privateData = privData;
    dev->privateFree = free_udi;
    dev->def->sysfs_path = devicePath;

    virNodeDeviceObjUnlock(dev);

    nodeDeviceUnlock(driverState);
    return;

 failure:
    VIR_DEBUG("FAILED TO ADD dev %s", name);
cleanup:
    VIR_FREE(privData);
    virNodeDeviceDefFree(def);
    nodeDeviceUnlock(driverState);
}
Beispiel #3
0
         */
        virNodeDeviceObjRemove(&driverState->devs, dev);
    } else
        VIR_DEBUG("no device named %s", name);
    nodeDeviceUnlock(driverState);

    if (dev) {
        dev_create(udi);
    }
}

static void
device_added(LibHalContext *ctx ATTRIBUTE_UNUSED,
             const char *udi)
{
    VIR_DEBUG("%s", hal_name(udi));
    dev_create(udi);
}


static void
device_removed(LibHalContext *ctx ATTRIBUTE_UNUSED,
               const char *udi)
{
    const char *name = hal_name(udi);
    virNodeDeviceObjPtr dev;

    nodeDeviceLock(driverState);
    dev = virNodeDeviceFindByName(&driverState->devs, name);
    VIR_DEBUG("%s", name);
    if (dev)