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Stefano Stabellini
ec41430ef6
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com> Acked-by: Ian Campbell <ian.campbell@citrix.com>
98 lines
2.7 KiB
C
98 lines
2.7 KiB
C
/*
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* Copyright (C) 2011
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* Author Roger Pau Monne <roger.pau@entel.upc.edu>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published
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* by the Free Software Foundation; version 2.1 only. with the special
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* exception on linking described in file LICENSE.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*/
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#include "libxl_osdeps.h" /* must come before any other headers */
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#include "libxl_internal.h"
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int libxl__try_phy_backend(mode_t st_mode)
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{
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if (S_ISREG(st_mode) || S_ISBLK(st_mode))
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return 1;
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return 0;
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}
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char *libxl__devid_to_localdev(libxl__gc *gc, int devid)
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{
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/* TODO */
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return NULL;
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}
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/* Hotplug scripts caller functions */
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static int libxl__hotplug(libxl__gc *gc, libxl__device *dev, char ***args,
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libxl__device_action action)
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{
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char *be_path = libxl__device_backend_path(gc, dev);
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char *script;
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int nr = 0, rc = 0, arraysize = 4;
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script = libxl__xs_read(gc, XBT_NULL,
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GCSPRINTF("%s/%s", be_path, "script"));
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if (!script) {
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LOGEV(ERROR, errno, "unable to read script from %s", be_path);
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rc = ERROR_FAIL;
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goto out;
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}
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GCNEW_ARRAY(*args, arraysize);
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(*args)[nr++] = script;
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(*args)[nr++] = be_path;
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(*args)[nr++] = GCSPRINTF("%d", action == LIBXL__DEVICE_ACTION_ADD ?
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XenbusStateInitWait : XenbusStateClosed);
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(*args)[nr++] = NULL;
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assert(nr == arraysize);
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out:
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return rc;
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}
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int libxl__get_hotplug_script_info(libxl__gc *gc, libxl__device *dev,
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char ***args, char ***env,
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libxl__device_action action,
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int num_exec)
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{
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char *disable_udev = libxl__xs_read(gc, XBT_NULL, DISABLE_UDEV_PATH);
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int rc;
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/* Check if we have to run hotplug scripts */
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if (!disable_udev || num_exec > 0) {
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rc = 0;
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goto out;
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}
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switch (dev->backend_kind) {
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case LIBXL__DEVICE_KIND_VBD:
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case LIBXL__DEVICE_KIND_VIF:
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rc = libxl__hotplug(gc, dev, args, action);
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if (!rc) rc = 1;
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break;
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default:
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/* If no need to execute any hotplug scripts,
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* call the callback manually
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*/
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rc = 0;
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break;
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}
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out:
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return rc;
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}
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libxl_device_model_version libxl__default_device_model(libxl__gc *gc)
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{
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return LIBXL_DEVICE_MODEL_VERSION_QEMU_XEN_TRADITIONAL;
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}
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