[libvirt] [PATCH 12/13] virsh: Split cmds in node device group from virsh.c

Commands in node device group moved from virsh.c to virsh-nodedev.c, * virsh.c: Remove commands in node device group. * virsh-nodedev.c: New file, filled with commands in node device group --- tools/virsh-nodedev.c | 383 +++++++++++++++++++++++++++++++++++++++++++++++++ tools/virsh.c | 360 +--------------------------------------------- 2 files changed, 385 insertions(+), 358 deletions(-) create mode 100644 tools/virsh-nodedev.c diff --git a/tools/virsh-nodedev.c b/tools/virsh-nodedev.c new file mode 100644 index 0000000..ee9a6fd --- /dev/null +++ b/tools/virsh-nodedev.c @@ -0,0 +1,383 @@ +/* + * virsh-nodedev.c: Commands in node device group + * + * Copyright (C) 2005, 2007-2012 Red Hat, Inc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; If not, see + * <http://www.gnu.org/licenses/>;. + * + * Daniel Veillard <veillard(a)redhat.com&gt; + * Karel Zak <kzak(a)redhat.com&gt; + * Daniel P. Berrange <berrange(a)redhat.com&gt; + * + */ + +/* + * "nodedev-create" command + */ +static const vshCmdInfo info_node_device_create[] = { + {"help", N_("create a device defined " + "by an XML file on the node")}, + {"desc", N_("Create a device on the node. Note that this " + "command creates devices on the physical host " + "that can then be assigned to a virtual machine.")}, + {NULL, NULL} +}; + +static const vshCmdOptDef opts_node_device_create[] = { + {"file", VSH_OT_DATA, VSH_OFLAG_REQ, + N_("file containing an XML description of the device")}, + {NULL, 0, 0, NULL} +}; + +static bool +cmdNodeDeviceCreate(vshControl *ctl, const vshCmd *cmd) +{ + virNodeDevicePtr dev = NULL; + const char *from = NULL; + bool ret = true; + char *buffer; + + if (!vshConnectionUsability(ctl, ctl->conn)) + return false; + + if (vshCommandOptString(cmd, "file", &from) <= 0) + return false; + + if (virFileReadAll(from, VIRSH_MAX_XML_FILE, &buffer) < 0) + return false; + + dev = virNodeDeviceCreateXML(ctl->conn, buffer, 0); + VIR_FREE(buffer); + + if (dev != NULL) { + vshPrint(ctl, _("Node device %s created from %s\n"), + virNodeDeviceGetName(dev), from); + virNodeDeviceFree(dev); + } else { + vshError(ctl, _("Failed to create node device from %s"), from); + ret = false; + } + + return ret; +} + + +/* + * "nodedev-destroy" command + */ +static const vshCmdInfo info_node_device_destroy[] = { + {"help", N_("destroy (stop) a device on the node")}, + {"desc", N_("Destroy a device on the node. Note that this " + "command destroys devices on the physical host")}, + {NULL, NULL} +}; + +static const vshCmdOptDef opts_node_device_destroy[] = { + {"name", VSH_OT_DATA, VSH_OFLAG_REQ, + N_("name of the device to be destroyed")}, + {NULL, 0, 0, NULL} +}; + +static bool +cmdNodeDeviceDestroy(vshControl *ctl, const vshCmd *cmd) +{ + virNodeDevicePtr dev = NULL; + bool ret = true; + const char *name = NULL; + + if (!vshConnectionUsability(ctl, ctl->conn)) { + return false; + } + + if (vshCommandOptString(cmd, "name", &name) <= 0) + return false; + + dev = virNodeDeviceLookupByName(ctl->conn, name); + + if (virNodeDeviceDestroy(dev) == 0) { + vshPrint(ctl, _("Destroyed node device '%s'\n"), name); + } else { + vshError(ctl, _("Failed to destroy node device '%s'"), name); + ret = false; + } + + virNodeDeviceFree(dev); + return ret; +} + +struct vshNodeList { + char **names; + char **parents; +}; + +static const char * +vshNodeListLookup(int devid, bool parent, void *opaque) +{ + struct vshNodeList *arrays = opaque; + if (parent) + return arrays->parents[devid]; + return arrays->names[devid]; +} + +/* + * "nodedev-list" command + */ +static const vshCmdInfo info_node_list_devices[] = { + {"help", N_("enumerate devices on this host")}, + {"desc", ""}, + {NULL, NULL} +}; + +static const vshCmdOptDef opts_node_list_devices[] = { + {"tree", VSH_OT_BOOL, 0, N_("list devices in a tree")}, + {"cap", VSH_OT_STRING, VSH_OFLAG_NONE, N_("capability name")}, + {NULL, 0, 0, NULL} +}; + +static bool +cmdNodeListDevices(vshControl *ctl, const vshCmd *cmd ATTRIBUTE_UNUSED) +{ + const char *cap = NULL; + char **devices; + int num_devices, i; + bool tree = vshCommandOptBool(cmd, "tree"); + bool ret = true; + + if (!vshConnectionUsability(ctl, ctl->conn)) + return false; + + if (vshCommandOptString(cmd, "cap", &cap) <= 0) + cap = NULL; + + num_devices = virNodeNumOfDevices(ctl->conn, cap, 0); + if (num_devices < 0) { + vshError(ctl, "%s", _("Failed to count node devices")); + return false; + } else if (num_devices == 0) { + return true; + } + + devices = vshMalloc(ctl, sizeof(char *) * num_devices); + num_devices = + virNodeListDevices(ctl->conn, cap, devices, num_devices, 0); + if (num_devices < 0) { + vshError(ctl, "%s", _("Failed to list node devices")); + VIR_FREE(devices); + return false; + } + qsort(&devices[0], num_devices, sizeof(char*), vshNameSorter); + if (tree) { + char **parents = vshMalloc(ctl, sizeof(char *) * num_devices); + struct vshNodeList arrays = { devices, parents }; + + for (i = 0; i < num_devices; i++) { + virNodeDevicePtr dev = virNodeDeviceLookupByName(ctl->conn, devices[i]); + if (dev && STRNEQ(devices[i], "computer")) { + const char *parent = virNodeDeviceGetParent(dev); + parents[i] = parent ? vshStrdup(ctl, parent) : NULL; + } else { + parents[i] = NULL; + } + virNodeDeviceFree(dev); + } + for (i = 0 ; i < num_devices ; i++) { + if (parents[i] == NULL && + vshTreePrint(ctl, vshNodeListLookup, &arrays, num_devices, + i) < 0) + ret = false; + } + for (i = 0 ; i < num_devices ; i++) { + VIR_FREE(devices[i]); + VIR_FREE(parents[i]); + } + VIR_FREE(parents); + } else { + for (i = 0; i < num_devices; i++) { + vshPrint(ctl, "%s\n", devices[i]); + VIR_FREE(devices[i]); + } + } + VIR_FREE(devices); + return ret; +} + +/* + * "nodedev-dumpxml" command + */ +static const vshCmdInfo info_node_device_dumpxml[] = { + {"help", N_("node device details in XML")}, + {"desc", N_("Output the node device details as an XML dump to stdout.")}, + {NULL, NULL} +}; + + +static const vshCmdOptDef opts_node_device_dumpxml[] = { + {"device", VSH_OT_DATA, VSH_OFLAG_REQ, N_("device key")}, + {NULL, 0, 0, NULL} +}; + +static bool +cmdNodeDeviceDumpXML(vshControl *ctl, const vshCmd *cmd) +{ + const char *name = NULL; + virNodeDevicePtr device; + char *xml; + + if (!vshConnectionUsability(ctl, ctl->conn)) + return false; + if (vshCommandOptString(cmd, "device", &name) <= 0) + return false; + if (!(device = virNodeDeviceLookupByName(ctl->conn, name))) { + vshError(ctl, "%s '%s'", _("Could not find matching device"), name); + return false; + } + + xml = virNodeDeviceGetXMLDesc(device, 0); + if (!xml) { + virNodeDeviceFree(device); + return false; + } + + vshPrint(ctl, "%s\n", xml); + VIR_FREE(xml); + virNodeDeviceFree(device); + return true; +} + +/* + * "nodedev-detach" command + */ +static const vshCmdInfo info_node_device_detach[] = { + {"help", N_("detach node device from its device driver")}, + {"desc", N_("Detach node device from its device driver before assigning to a domain.")}, + {NULL, NULL} +}; + + +static const vshCmdOptDef opts_node_device_detach[] = { + {"device", VSH_OT_DATA, VSH_OFLAG_REQ, N_("device key")}, + {NULL, 0, 0, NULL} +}; + +static bool +cmdNodeDeviceDetach(vshControl *ctl, const vshCmd *cmd) +{ + const char *name = NULL; + virNodeDevicePtr device; + bool ret = true; + + if (!vshConnectionUsability(ctl, ctl->conn)) + return false; + if (vshCommandOptString(cmd, "device", &name) <= 0) + return false; + if (!(device = virNodeDeviceLookupByName(ctl->conn, name))) { + vshError(ctl, "%s '%s'", _("Could not find matching device"), name); + return false; + } + + /* Yes, our public API is misspelled. At least virsh can accept + * either spelling. */ + if (virNodeDeviceDettach(device) == 0) { + vshPrint(ctl, _("Device %s detached\n"), name); + } else { + vshError(ctl, _("Failed to detach device %s"), name); + ret = false; + } + virNodeDeviceFree(device); + return ret; +} + +/* + * "nodedev-reattach" command + */ +static const vshCmdInfo info_node_device_reattach[] = { + {"help", N_("reattach node device to its device driver")}, + {"desc", N_("Reattach node device to its device driver once released by the domain.")}, + {NULL, NULL} +}; + + +static const vshCmdOptDef opts_node_device_reattach[] = { + {"device", VSH_OT_DATA, VSH_OFLAG_REQ, N_("device key")}, + {NULL, 0, 0, NULL} +}; + +static bool +cmdNodeDeviceReAttach(vshControl *ctl, const vshCmd *cmd) +{ + const char *name = NULL; + virNodeDevicePtr device; + bool ret = true; + + if (!vshConnectionUsability(ctl, ctl->conn)) + return false; + if (vshCommandOptString(cmd, "device", &name) <= 0) + return false; + if (!(device = virNodeDeviceLookupByName(ctl->conn, name))) { + vshError(ctl, "%s '%s'", _("Could not find matching device"), name); + return false; + } + + if (virNodeDeviceReAttach(device) == 0) { + vshPrint(ctl, _("Device %s re-attached\n"), name); + } else { + vshError(ctl, _("Failed to re-attach device %s"), name); + ret = false; + } + virNodeDeviceFree(device); + return ret; +} + +/* + * "nodedev-reset" command + */ +static const vshCmdInfo info_node_device_reset[] = { + {"help", N_("reset node device")}, + {"desc", N_("Reset node device before or after assigning to a domain.")}, + {NULL, NULL} +}; + + +static const vshCmdOptDef opts_node_device_reset[] = { + {"device", VSH_OT_DATA, VSH_OFLAG_REQ, N_("device key")}, + {NULL, 0, 0, NULL} +}; + +static bool +cmdNodeDeviceReset(vshControl *ctl, const vshCmd *cmd) +{ + const char *name = NULL; + virNodeDevicePtr device; + bool ret = true; + + if (!vshConnectionUsability(ctl, ctl->conn)) + return false; + if (vshCommandOptString(cmd, "device", &name) <= 0) + return false; + if (!(device = virNodeDeviceLookupByName(ctl->conn, name))) { + vshError(ctl, "%s '%s'", _("Could not find matching device"), name); + return false; + } + + if (virNodeDeviceReset(device) == 0) { + vshPrint(ctl, _("Device %s reset\n"), name); + } else { + vshError(ctl, _("Failed to reset device %s"), name); + ret = false; + } + virNodeDeviceFree(device); + return ret; +} + diff --git a/tools/virsh.c b/tools/virsh.c index 1d878b9..e461410 100644 --- a/tools/virsh.c +++ b/tools/virsh.c @@ -746,100 +746,6 @@ cmdHelp(vshControl *ctl, const vshCmd *cmd) } } -/* - * "nodedev-create" command - */ -static const vshCmdInfo info_node_device_create[] = { - {"help", N_("create a device defined " - "by an XML file on the node")}, - {"desc", N_("Create a device on the node. Note that this " - "command creates devices on the physical host " - "that can then be assigned to a virtual machine.")}, - {NULL, NULL} -}; - -static const vshCmdOptDef opts_node_device_create[] = { - {"file", VSH_OT_DATA, VSH_OFLAG_REQ, - N_("file containing an XML description of the device")}, - {NULL, 0, 0, NULL} -}; - -static bool -cmdNodeDeviceCreate(vshControl *ctl, const vshCmd *cmd) -{ - virNodeDevicePtr dev = NULL; - const char *from = NULL; - bool ret = true; - char *buffer; - - if (!vshConnectionUsability(ctl, ctl->conn)) - return false; - - if (vshCommandOptString(cmd, "file", &from) <= 0) - return false; - - if (virFileReadAll(from, VIRSH_MAX_XML_FILE, &buffer) < 0) - return false; - - dev = virNodeDeviceCreateXML(ctl->conn, buffer, 0); - VIR_FREE(buffer); - - if (dev != NULL) { - vshPrint(ctl, _("Node device %s created from %s\n"), - virNodeDeviceGetName(dev), from); - virNodeDeviceFree(dev); - } else { - vshError(ctl, _("Failed to create node device from %s"), from); - ret = false; - } - - return ret; -} - - -/* - * "nodedev-destroy" command - */ -static const vshCmdInfo info_node_device_destroy[] = { - {"help", N_("destroy (stop) a device on the node")}, - {"desc", N_("Destroy a device on the node. Note that this " - "command destroys devices on the physical host")}, - {NULL, NULL} -}; - -static const vshCmdOptDef opts_node_device_destroy[] = { - {"name", VSH_OT_DATA, VSH_OFLAG_REQ, - N_("name of the device to be destroyed")}, - {NULL, 0, 0, NULL} -}; - -static bool -cmdNodeDeviceDestroy(vshControl *ctl, const vshCmd *cmd) -{ - virNodeDevicePtr dev = NULL; - bool ret = true; - const char *name = NULL; - - if (!vshConnectionUsability(ctl, ctl->conn)) { - return false; - } - - if (vshCommandOptString(cmd, "name", &name) <= 0) - return false; - - dev = virNodeDeviceLookupByName(ctl->conn, name); - - if (virNodeDeviceDestroy(dev) == 0) { - vshPrint(ctl, _("Destroyed node device '%s'\n"), name); - } else { - vshError(ctl, _("Failed to destroy node device '%s'"), name); - ret = false; - } - - virNodeDeviceFree(dev); - return ret; -} - /* Tree listing helpers. */ /* Given an index, return either the name of that device (non-NULL) or @@ -928,270 +834,6 @@ vshTreePrint(vshControl *ctl, vshTreeLookup lookup, void *opaque, return ret; } -struct vshNodeList { - char **names; - char **parents; -}; - -static const char * -vshNodeListLookup(int devid, bool parent, void *opaque) -{ - struct vshNodeList *arrays = opaque; - if (parent) - return arrays->parents[devid]; - return arrays->names[devid]; -} - -/* - * "nodedev-list" command - */ -static const vshCmdInfo info_node_list_devices[] = { - {"help", N_("enumerate devices on this host")}, - {"desc", ""}, - {NULL, NULL} -}; - -static const vshCmdOptDef opts_node_list_devices[] = { - {"tree", VSH_OT_BOOL, 0, N_("list devices in a tree")}, - {"cap", VSH_OT_STRING, VSH_OFLAG_NONE, N_("capability name")}, - {NULL, 0, 0, NULL} -}; - -static bool -cmdNodeListDevices(vshControl *ctl, const vshCmd *cmd ATTRIBUTE_UNUSED) -{ - const char *cap = NULL; - char **devices; - int num_devices, i; - bool tree = vshCommandOptBool(cmd, "tree"); - bool ret = true; - - if (!vshConnectionUsability(ctl, ctl->conn)) - return false; - - if (vshCommandOptString(cmd, "cap", &cap) <= 0) - cap = NULL; - - num_devices = virNodeNumOfDevices(ctl->conn, cap, 0); - if (num_devices < 0) { - vshError(ctl, "%s", _("Failed to count node devices")); - return false; - } else if (num_devices == 0) { - return true; - } - - devices = vshMalloc(ctl, sizeof(char *) * num_devices); - num_devices = - virNodeListDevices(ctl->conn, cap, devices, num_devices, 0); - if (num_devices < 0) { - vshError(ctl, "%s", _("Failed to list node devices")); - VIR_FREE(devices); - return false; - } - qsort(&devices[0], num_devices, sizeof(char*), vshNameSorter); - if (tree) { - char **parents = vshMalloc(ctl, sizeof(char *) * num_devices); - struct vshNodeList arrays = { devices, parents }; - - for (i = 0; i < num_devices; i++) { - virNodeDevicePtr dev = virNodeDeviceLookupByName(ctl->conn, devices[i]); - if (dev && STRNEQ(devices[i], "computer")) { - const char *parent = virNodeDeviceGetParent(dev); - parents[i] = parent ? vshStrdup(ctl, parent) : NULL; - } else { - parents[i] = NULL; - } - virNodeDeviceFree(dev); - } - for (i = 0 ; i < num_devices ; i++) { - if (parents[i] == NULL && - vshTreePrint(ctl, vshNodeListLookup, &arrays, num_devices, - i) < 0) - ret = false; - } - for (i = 0 ; i < num_devices ; i++) { - VIR_FREE(devices[i]); - VIR_FREE(parents[i]); - } - VIR_FREE(parents); - } else { - for (i = 0; i < num_devices; i++) { - vshPrint(ctl, "%s\n", devices[i]); - VIR_FREE(devices[i]); - } - } - VIR_FREE(devices); - return ret; -} - -/* - * "nodedev-dumpxml" command - */ -static const vshCmdInfo info_node_device_dumpxml[] = { - {"help", N_("node device details in XML")}, - {"desc", N_("Output the node device details as an XML dump to stdout.")}, - {NULL, NULL} -}; - - -static const vshCmdOptDef opts_node_device_dumpxml[] = { - {"device", VSH_OT_DATA, VSH_OFLAG_REQ, N_("device key")}, - {NULL, 0, 0, NULL} -}; - -static bool -cmdNodeDeviceDumpXML(vshControl *ctl, const vshCmd *cmd) -{ - const char *name = NULL; - virNodeDevicePtr device; - char *xml; - - if (!vshConnectionUsability(ctl, ctl->conn)) - return false; - if (vshCommandOptString(cmd, "device", &name) <= 0) - return false; - if (!(device = virNodeDeviceLookupByName(ctl->conn, name))) { - vshError(ctl, "%s '%s'", _("Could not find matching device"), name); - return false; - } - - xml = virNodeDeviceGetXMLDesc(device, 0); - if (!xml) { - virNodeDeviceFree(device); - return false; - } - - vshPrint(ctl, "%s\n", xml); - VIR_FREE(xml); - virNodeDeviceFree(device); - return true; -} - -/* - * "nodedev-detach" command - */ -static const vshCmdInfo info_node_device_detach[] = { - {"help", N_("detach node device from its device driver")}, - {"desc", N_("Detach node device from its device driver before assigning to a domain.")}, - {NULL, NULL} -}; - - -static const vshCmdOptDef opts_node_device_detach[] = { - {"device", VSH_OT_DATA, VSH_OFLAG_REQ, N_("device key")}, - {NULL, 0, 0, NULL} -}; - -static bool -cmdNodeDeviceDetach(vshControl *ctl, const vshCmd *cmd) -{ - const char *name = NULL; - virNodeDevicePtr device; - bool ret = true; - - if (!vshConnectionUsability(ctl, ctl->conn)) - return false; - if (vshCommandOptString(cmd, "device", &name) <= 0) - return false; - if (!(device = virNodeDeviceLookupByName(ctl->conn, name))) { - vshError(ctl, "%s '%s'", _("Could not find matching device"), name); - return false; - } - - /* Yes, our public API is misspelled. At least virsh can accept - * either spelling. */ - if (virNodeDeviceDettach(device) == 0) { - vshPrint(ctl, _("Device %s detached\n"), name); - } else { - vshError(ctl, _("Failed to detach device %s"), name); - ret = false; - } - virNodeDeviceFree(device); - return ret; -} - -/* - * "nodedev-reattach" command - */ -static const vshCmdInfo info_node_device_reattach[] = { - {"help", N_("reattach node device to its device driver")}, - {"desc", N_("Reattach node device to its device driver once released by the domain.")}, - {NULL, NULL} -}; - - -static const vshCmdOptDef opts_node_device_reattach[] = { - {"device", VSH_OT_DATA, VSH_OFLAG_REQ, N_("device key")}, - {NULL, 0, 0, NULL} -}; - -static bool -cmdNodeDeviceReAttach(vshControl *ctl, const vshCmd *cmd) -{ - const char *name = NULL; - virNodeDevicePtr device; - bool ret = true; - - if (!vshConnectionUsability(ctl, ctl->conn)) - return false; - if (vshCommandOptString(cmd, "device", &name) <= 0) - return false; - if (!(device = virNodeDeviceLookupByName(ctl->conn, name))) { - vshError(ctl, "%s '%s'", _("Could not find matching device"), name); - return false; - } - - if (virNodeDeviceReAttach(device) == 0) { - vshPrint(ctl, _("Device %s re-attached\n"), name); - } else { - vshError(ctl, _("Failed to re-attach device %s"), name); - ret = false; - } - virNodeDeviceFree(device); - return ret; -} - -/* - * "nodedev-reset" command - */ -static const vshCmdInfo info_node_device_reset[] = { - {"help", N_("reset node device")}, - {"desc", N_("Reset node device before or after assigning to a domain.")}, - {NULL, NULL} -}; - - -static const vshCmdOptDef opts_node_device_reset[] = { - {"device", VSH_OT_DATA, VSH_OFLAG_REQ, N_("device key")}, - {NULL, 0, 0, NULL} -}; - -static bool -cmdNodeDeviceReset(vshControl *ctl, const vshCmd *cmd) -{ - const char *name = NULL; - virNodeDevicePtr device; - bool ret = true; - - if (!vshConnectionUsability(ctl, ctl->conn)) - return false; - if (vshCommandOptString(cmd, "device", &name) <= 0) - return false; - if (!(device = virNodeDeviceLookupByName(ctl->conn, name))) { - vshError(ctl, "%s '%s'", _("Could not find matching device"), name); - return false; - } - - if (virNodeDeviceReset(device) == 0) { - vshPrint(ctl, _("Device %s reset\n"), name); - } else { - vshError(ctl, _("Failed to reset device %s"), name); - ret = false; - } - virNodeDeviceFree(device); - return ret; -} - /* Common code for the edit / net-edit / pool-edit functions which follow. */ static char * editWriteToTempFile(vshControl *ctl, const char *doc) @@ -3709,6 +3351,8 @@ static const vshCmdDef networkCmds[] = { {NULL, NULL, NULL, NULL, 0} }; +#include "virsh-nodedev.c" + static const vshCmdDef nodedevCmds[] = { {"nodedev-create", cmdNodeDeviceCreate, opts_node_device_create, info_node_device_create, 0}, -- 1.7.7.3