[libvirt] [PATCH 2/3] node device: Break out get_wwns and get_parent_node helpers

These will be used by the test driver, so move them to a shareable space. Signed-off-by: Cole Robinson <crobinso(a)redhat.com&gt; --- src/conf/node_device_conf.c | 89 +++++++++++++++++++++++++++ src/conf/node_device_conf.h | 11 +++ src/libvirt_private.syms | 2 + src/node_device/node_device_driver.c | 112 ++++------------------------------ 4 files changed, 115 insertions(+), 99 deletions(-) diff --git a/src/conf/node_device_conf.c b/src/conf/node_device_conf.c index f09f814..77f7be3 100644 --- a/src/conf/node_device_conf.c +++ b/src/conf/node_device_conf.c @@ -1215,6 +1215,95 @@ virNodeDeviceDefParseFile(virConnectPtr conn, return virNodeDeviceDefParse(conn, NULL, filename, create); } +/* + * Return fc_host dev's WWNN and WWPN + */ +int +virNodeDeviceGetWWNs(virConnectPtr conn, + virNodeDeviceDefPtr def, + char **wwnn, + char **wwpn) +{ + virNodeDevCapsDefPtr cap = NULL; + int ret = 0; + + cap = def->caps; + while (cap != NULL) { + if (cap->type == VIR_NODE_DEV_CAP_SCSI_HOST && + cap->data.scsi_host.flags & VIR_NODE_DEV_CAP_FLAG_HBA_FC_HOST) { + *wwnn = strdup(cap->data.scsi_host.wwnn); + *wwpn = strdup(cap->data.scsi_host.wwpn); + break; + } + + cap = cap->next; + } + + if (cap == NULL) { + virNodeDeviceReportError(conn, VIR_ERR_NO_SUPPORT, + "%s", _("Device is not a fibre channel HBA")); + ret = -1; + } + + if (*wwnn == NULL || *wwpn == NULL) { + /* Free the other one, if allocated... */ + VIR_FREE(wwnn); + VIR_FREE(wwpn); + ret = -1; + virReportOOMError(conn); + } + + return ret; +} + +/* + * Return the NPIV dev's parent device name + */ +int +virNodeDeviceGetParentHost(virConnectPtr conn, + const virNodeDeviceObjListPtr devs, + const char *dev_name, + const char *parent_name, + int *parent_host) +{ + virNodeDeviceObjPtr parent = NULL; + virNodeDevCapsDefPtr cap = NULL; + int ret = 0; + + parent = virNodeDeviceFindByName(devs, parent_name); + if (parent == NULL) { + virNodeDeviceReportError(conn, VIR_ERR_INTERNAL_ERROR, + _("Could not find parent HBA for '%s'"), + dev_name); + ret = -1; + goto out; + } + + cap = parent->def->caps; + while (cap != NULL) { + if (cap->type == VIR_NODE_DEV_CAP_SCSI_HOST && + (cap->data.scsi_host.flags & + VIR_NODE_DEV_CAP_FLAG_HBA_VPORT_OPS)) { + *parent_host = cap->data.scsi_host.host; + break; + } + + cap = cap->next; + } + + if (cap == NULL) { + virNodeDeviceReportError(conn, VIR_ERR_INTERNAL_ERROR, + _("Parent HBA %s is not capable " + "of vport operations"), + parent->def->name); + ret = -1; + } + + virNodeDeviceObjUnlock(parent); + +out: + return ret; +} void virNodeDevCapsDefFree(virNodeDevCapsDefPtr caps) { diff --git a/src/conf/node_device_conf.h b/src/conf/node_device_conf.h index 29a4d43..a7bb6c6 100644 --- a/src/conf/node_device_conf.h +++ b/src/conf/node_device_conf.h @@ -221,6 +221,17 @@ virNodeDeviceDefPtr virNodeDeviceDefParseNode(virConnectPtr conn, xmlNodePtr root, int create); +int virNodeDeviceGetWWNs(virConnectPtr conn, + virNodeDeviceDefPtr def, + char **wwnn, + char **wwpn); + +int virNodeDeviceGetParentHost(virConnectPtr conn, + const virNodeDeviceObjListPtr devs, + const char *dev_name, + const char *parent_name, + int *parent_host); + void virNodeDeviceDefFree(virNodeDeviceDefPtr def); void virNodeDeviceObjFree(virNodeDeviceObjPtr dev); diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms index 37395ab..45d1069 100644 --- a/src/libvirt_private.syms +++ b/src/libvirt_private.syms @@ -318,6 +318,8 @@ virNodeDeviceDefParseString; virNodeDeviceObjLock; virNodeDeviceObjUnlock; virNodeDeviceAssignDef; +virNodeDeviceGetWWNs; +virNodeDeviceGetParentHost; # pci.h diff --git a/src/node_device/node_device_driver.c b/src/node_device/node_device_driver.c index 21a4c8d..f33ff48 100644 --- a/src/node_device/node_device_driver.c +++ b/src/node_device/node_device_driver.c @@ -459,92 +459,6 @@ cleanup: static int -get_wwns(virConnectPtr conn, - virNodeDeviceDefPtr def, - char **wwnn, - char **wwpn) -{ - virNodeDevCapsDefPtr cap = NULL; - int ret = 0; - - cap = def->caps; - while (cap != NULL) { - if (cap->type == VIR_NODE_DEV_CAP_SCSI_HOST && - cap->data.scsi_host.flags & VIR_NODE_DEV_CAP_FLAG_HBA_FC_HOST) { - *wwnn = strdup(cap->data.scsi_host.wwnn); - *wwpn = strdup(cap->data.scsi_host.wwpn); - break; - } - - cap = cap->next; - } - - if (cap == NULL) { - virNodeDeviceReportError(conn, VIR_ERR_NO_SUPPORT, - "%s", _("Device is not a fibre channel HBA")); - ret = -1; - } - - if (*wwnn == NULL || *wwpn == NULL) { - /* Free the other one, if allocated... */ - VIR_FREE(wwnn); - VIR_FREE(wwpn); - ret = -1; - virReportOOMError(conn); - } - - return ret; -} - - -static int -get_parent_host(virConnectPtr conn, - virDeviceMonitorStatePtr driver, - const char *dev_name, - const char *parent_name, - int *parent_host) -{ - virNodeDeviceObjPtr parent = NULL; - virNodeDevCapsDefPtr cap = NULL; - int ret = 0; - - parent = virNodeDeviceFindByName(&driver->devs, parent_name); - if (parent == NULL) { - virNodeDeviceReportError(conn, VIR_ERR_INTERNAL_ERROR, - _("Could not find parent HBA for '%s'"), - dev_name); - ret = -1; - goto out; - } - - cap = parent->def->caps; - while (cap != NULL) { - if (cap->type == VIR_NODE_DEV_CAP_SCSI_HOST && - (cap->data.scsi_host.flags & - VIR_NODE_DEV_CAP_FLAG_HBA_VPORT_OPS)) { - *parent_host = cap->data.scsi_host.host; - break; - } - - cap = cap->next; - } - - if (cap == NULL) { - virNodeDeviceReportError(conn, VIR_ERR_INTERNAL_ERROR, - _("Parent HBA %s is not capable " - "of vport operations"), - parent->def->name); - ret = -1; - } - - virNodeDeviceObjUnlock(parent); - -out: - return ret; -} - - -static int get_time(virConnectPtr conn, time_t *t) { int ret = 0; @@ -630,15 +544,15 @@ nodeDeviceCreateXML(virConnectPtr conn, goto cleanup; } - if (get_wwns(conn, def, &wwnn, &wwpn) == -1) { + if (virNodeDeviceGetWWNs(conn, def, &wwnn, &wwpn) == -1) { goto cleanup; } - if (get_parent_host(conn, - driver, - def->name, - def->parent, - &parent_host) == -1) { + if (virNodeDeviceGetParentHost(conn, + &driver->devs, + def->name, + def->parent, + &parent_host) == -1) { goto cleanup; } @@ -685,13 +599,13 @@ nodeDeviceDestroy(virNodeDevicePtr dev) goto out; } - if (get_wwns(dev->conn, obj->def, &wwnn, &wwpn) == -1) { + if (virNodeDeviceGetWWNs(dev->conn, obj->def, &wwnn, &wwpn) == -1) { goto out; } parent_name = strdup(obj->def->parent); - /* get_parent_host will cause the device object's lock to be + /* virNodeDeviceGetParentHost will cause the device object's lock to be * taken, so we have to dup the parent's name and drop the lock * before calling it. We don't need the reference to the object * any more once we have the parent's name. */ @@ -703,11 +617,11 @@ nodeDeviceDestroy(virNodeDevicePtr dev) goto out; } - if (get_parent_host(dev->conn, - driver, - dev->name, - parent_name, - &parent_host) == -1) { + if (virNodeDeviceGetParentHost(dev->conn, + &driver->devs, + dev->name, + parent_name, + &parent_host) == -1) { goto out; } -- 1.6.0.6