From: Amar Mudrankit <[EMAIL PROTECTED]>
The sysfs interface for the QLogic VNIC driver is implemented through
this patch.
Signed-off-by: Amar Mudrankit <[EMAIL PROTECTED]>
Signed-off-by: Ramachandra K <[EMAIL PROTECTED]>
Signed-off-by: Poornima Kamath <[EMAIL PROTECTED]>
---
drivers/infiniband/ulp/qlgc_vnic/vnic_sys.c | 1256 +++++++++++++++++++++++++++
drivers/infiniband/ulp/qlgc_vnic/vnic_sys.h | 52 +
2 files changed, 1308 insertions(+), 0 deletions(-)
create mode 100644 drivers/infiniband/ulp/qlgc_vnic/vnic_sys.c
create mode 100644 drivers/infiniband/ulp/qlgc_vnic/vnic_sys.h
diff --git a/drivers/infiniband/ulp/qlgc_vnic/vnic_sys.c
b/drivers/infiniband/ulp/qlgc_vnic/vnic_sys.c
new file mode 100644
index 0000000..7dbc955
--- /dev/null
+++ b/drivers/infiniband/ulp/qlgc_vnic/vnic_sys.c
@@ -0,0 +1,1256 @@
+/*
+ * Copyright (c) 2006 QLogic, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses. You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <linux/netdevice.h>
+#include <linux/parser.h>
+#include <linux/if.h>
+
+#include "vnic_util.h"
+#include "vnic_config.h"
+#include "vnic_ib.h"
+#include "vnic_viport.h"
+#include "vnic_main.h"
+#include "vnic_stats.h"
+
+/*
+ * target eiocs are added by writing each individual connection parameter
+ * into respective sysfs file under interface level or path level.
+ */
+enum {
+ VNIC_OPT_ERR = 0,
+ VNIC_OPT_IOC_GUID = 1 << 0,
+ VNIC_OPT_DGID = 1 << 1,
+ VNIC_OPT_PKEY = 1 << 2,
+ VNIC_OPT_NAME = 1 << 3,
+ VNIC_OPT_INSTANCE = 1 << 4,
+ VNIC_OPT_RXCSUM = 1 << 5,
+ VNIC_OPT_TXCSUM = 1 << 6,
+ VNIC_OPT_HEARTBEAT = 1 << 7,
+ VNIC_OPT_IOC_STRING = 1 << 8,
+ VNIC_OPT_IB_MULTICAST = 1 << 9,
+ VNIC_OPT_ALL = (VNIC_OPT_IOC_GUID |
+ VNIC_OPT_DGID | VNIC_OPT_NAME | VNIC_OPT_PKEY),
+};
+
+static match_table_t vnic_opt_tokens = {
+ {VNIC_OPT_IOC_GUID, "ioc_guid=%s"},
+ {VNIC_OPT_DGID, "dgid=%s"},
+ {VNIC_OPT_PKEY, "pkey=%x"},
+ {VNIC_OPT_NAME, "name=%s"},
+ {VNIC_OPT_INSTANCE, "instance=%d"},
+ {VNIC_OPT_RXCSUM, "rx_csum=%s"},
+ {VNIC_OPT_TXCSUM, "tx_csum=%s"},
+ {VNIC_OPT_HEARTBEAT, "heartbeat=%d"},
+ {VNIC_OPT_IOC_STRING, "ioc_string=\"%s"},
+ {VNIC_OPT_IB_MULTICAST, "ib_multicast=%s"},
+ {VNIC_OPT_ERR, NULL}
+};
+
+void vnic_release_dev(struct device *dev)
+{
+ struct dev_info *dev_info =
+ container_of(dev, struct dev_info, dev);
+
+ complete(&dev_info->released);
+}
+
+struct class vnic_class = {
+ .name = "infiniband_qlgc_vnic",
+ .dev_release = vnic_release_dev
+};
+
+struct dev_info interface_dev;
+
+static int vnic_all_connection_params(struct vnic_path_param *path)
+{
+ int i, ret = -EINVAL;
+
+ if ((path->opt_mask & VNIC_OPT_ALL) == VNIC_OPT_ALL)
+ ret = 0;
+ else
+ for (i = 0; i < ARRAY_SIZE(vnic_opt_tokens); ++i)
+ if ((vnic_opt_tokens[i].token & VNIC_OPT_ALL) &&
+ !(vnic_opt_tokens[i].token & path->opt_mask))
+ printk(KERN_WARNING PFX
+ "target creation request is "
+ "missing parameter '%s'\n",
+ vnic_opt_tokens[i].pattern);
+
+ return ret;
+}
+
+static ssize_t show_vnic_state(struct device *dev,
+ struct device_attribute *dev_attr, char *buf)
+{
+ struct dev_info *info = container_of(dev, struct dev_info, dev);
+ struct vnic *vnic = container_of(info, struct vnic, dev_info);
+ switch (vnic->state) {
+ case VNIC_UNINITIALIZED:
+ return sprintf(buf, "VNIC_UNINITIALIZED\n");
+ case VNIC_REGISTERED:
+ return sprintf(buf, "VNIC_REGISTERED\n");
+ default:
+ return sprintf(buf, "INVALID STATE\n");
+ }
+}
+
+static DEVICE_ATTR(vnic_state, S_IRUGO, show_vnic_state, NULL);
+
+static ssize_t show_rx_csum(struct device *dev,
+ struct device_attribute *dev_attr, char *buf)
+{
+ struct dev_info *info = container_of(dev, struct dev_info, dev);
+ struct vnic *vnic = container_of(info, struct vnic, dev_info);
+
+ if (vnic->config->use_rx_csum)
+ return sprintf(buf, "true\n");
+ else
+ return sprintf(buf, "false\n");
+}
+
+static ssize_t store_rx_csum(struct device *dev,
+ struct device_attribute *dev_attr,
+ const char *buf, size_t count)
+{
+ struct dev_info *info = container_of(dev, struct dev_info, dev);
+ struct vnic *vnic = container_of(info, struct vnic, dev_info);
+
+ if (!strncmp(buf, "true", 4))
+ vnic->params.rx_csum = 1;
+ else if (!strncmp(buf, "false", 5))
+ vnic->params.rx_csum = 0;
+ else {
+ printk(KERN_WARNING PFX "bad rx_csum parameter."
+ " must be 'true' or 'false'\n");
+ return -EINVAL;
+ }
+
+ return count;
+}
+
+static DEVICE_ATTR(rx_csum, S_IRUGO | S_IWUSR, show_rx_csum, store_rx_csum);
+
+static ssize_t show_tx_csum(struct device *dev,
+ struct device_attribute *dev_attr, char *buf)
+{
+ struct dev_info *info = container_of(dev, struct dev_info, dev);
+ struct vnic *vnic = container_of(info, struct vnic, dev_info);
+
+ if (vnic->config->use_tx_csum)
+ return sprintf(buf, "true\n");
+ else
+ return sprintf(buf, "false\n");
+}
+
+static ssize_t store_tx_csum(struct device *dev,
+ struct device_attribute *dev_attr,
+ const char *buf, size_t count)
+{
+ struct dev_info *info = container_of(dev, struct dev_info, dev);
+ struct vnic *vnic = container_of(info, struct vnic, dev_info);
+
+ if (!strncmp(buf, "true", 4))
+ vnic->params.tx_csum = 1;
+ else if (!strncmp(buf, "false", 5))
+ vnic->params.tx_csum = 0;
+ else {
+ printk(KERN_WARNING PFX "bad tx_csum parameter."
+ " must be 'true' or 'false'\n");
+ return -EINVAL;
+ }
+
+ return count;
+}
+
+static DEVICE_ATTR(tx_csum, S_IRUGO | S_IWUSR, show_tx_csum, store_tx_csum);
+
+static ssize_t show_current_path(struct device *dev,
+ struct device_attribute *dev_attr, char *buf)
+{
+ struct dev_info *info = container_of(dev, struct dev_info, dev);
+ struct vnic *vnic = container_of(info, struct vnic, dev_info);
+ unsigned long flags;
+ size_t length;
+
+ spin_lock_irqsave(&vnic->current_path_lock, flags);
+ if (vnic->current_path == &vnic->primary_path)
+ length = sprintf(buf, "primary_path\n");
+ else if (vnic->current_path == &vnic->secondary_path)
+ length = sprintf(buf, "secondary path\n");
+ else
+ length = sprintf(buf, "none\n");
+ spin_unlock_irqrestore(&vnic->current_path_lock, flags);
+ return length;
+}
+
+static DEVICE_ATTR(current_path, S_IRUGO, show_current_path, NULL);
+
+static ssize_t show_multicast(struct device *dev,
+ struct device_attribute *dev_attr, char *buf)
+{
+ struct dev_info *info = container_of(dev, struct dev_info, dev);
+ struct vnic *vnic = container_of(info, struct vnic, dev_info);
+
+ if (!vnic->primary_path.viport)
+ return sprintf(buf, "\n");
+
+ if (vnic->primary_path.viport->control.config->ib_multicast &&
+ vnic->secondary_path.viport->control.config->ib_multicast)
+ return sprintf(buf, "true\n");
+ else
+ return sprintf(buf, "false\n");
+}
+
+static ssize_t store_multicast(struct device *dev,
+ struct device_attribute *dev_attr,
+ const char *buf, size_t count)
+{
+ struct dev_info *info = container_of(dev, struct dev_info, dev);
+ struct vnic *vnic = container_of(info, struct vnic, dev_info);
+
+ if (!strncmp(buf, "true", 4)) {
+ vnic->params.primary_path.ib_multicast = 1;
+ vnic->params.secondary_path.ib_multicast = 1;
+ } else if (!strncmp(buf, "false", 5)) {
+ vnic->params.primary_path.ib_multicast = 0;
+ vnic->params.secondary_path.ib_multicast = 0;
+ } else {
+ printk(KERN_WARNING PFX "bad ib_multicast parameter."
+ " must be 'true' or 'false'\n");
+ return -EINVAL;
+ }
+
+ return count;
+}
+static DEVICE_ATTR(multicast, S_IRUGO | S_IWUSR, show_multicast,
store_multicast);
+
+static struct attribute *vnic_dev_attrs[] = {
+ &dev_attr_vnic_state.attr,
+ &dev_attr_rx_csum.attr,
+ &dev_attr_tx_csum.attr,
+ &dev_attr_current_path.attr,
+ &dev_attr_multicast.attr,
+ NULL
+};
+
+struct attribute_group vnic_dev_attr_group = {
+ .attrs = vnic_dev_attrs,
+};
+
+static inline void print_dgid(u8 *dgid)
+{
+ int i;
+
+ for (i = 0; i < 16; i += 2)
+ printk("%04x", be16_to_cpu(*(__be16 *)&dgid[i]));
+}
+
+static inline int is_dgid_zero(u8 *dgid)
+{
+ int i;
+
+ for (i = 0; i < 16; i++) {
+ if (dgid[i] != 0)
+ return 1;
+ }
+ return 0;
+}
+
+static int vnic_create_netpath(struct netpath *npdest,
+ struct vnic_path_param *p_params)
+{
+ struct viport_config *viport_config;
+ struct viport *viport;
+ struct vnic *vnic;
+ struct list_head *ptr;
+ int ret = 0;
+
+ list_for_each(ptr, &vnic_list) {
+ vnic = list_entry(ptr, struct vnic, list_ptrs);
+ if (vnic->primary_path.viport) {
+ viport_config = vnic->primary_path.viport->config;
+ if ((viport_config->ioc_guid == p_params->ioc_guid)
+ && (viport_config->control_config.vnic_instance
+ == p_params->instance)
+ && (be64_to_cpu(p_params->ioc_guid))) {
+ SYS_ERROR("GUID %llx,"
+ " INSTANCE %d already in use\n",
+ be64_to_cpu(p_params->ioc_guid),
+ p_params->instance);
+ ret = -EINVAL;
+ goto out;
+ }
+ }
+
+ if (vnic->secondary_path.viport) {
+ viport_config = vnic->secondary_path.viport->config;
+ if ((viport_config->ioc_guid == p_params->ioc_guid)
+ && (viport_config->control_config.vnic_instance
+ == p_params->instance)
+ && (be64_to_cpu(p_params->ioc_guid))) {
+ SYS_ERROR("GUID %llx,"
+ " INSTANCE %d already in use\n",
+ be64_to_cpu(p_params->ioc_guid),
+ p_params->instance);
+ ret = -EINVAL;
+ goto out;
+ }
+ }
+ }
+
+ if (npdest->viport) {
+ SYS_ERROR("create_netpath: path already exists\n");
+ ret = -EINVAL;
+ goto out;
+ }
+
+ viport_config = config_alloc_viport(p_params);
+ if (!viport_config) {
+ SYS_ERROR("create_netpath: failed creating viport config\n");
+ ret = -1;
+ goto out;
+ }
+
+ /*User specified heartbeat value is in 1/100s of a sec*/
+ if (p_params->heartbeat != -1) {
+ viport_config->hb_interval =
+ msecs_to_jiffies(p_params->heartbeat * 10);
+ viport_config->hb_timeout =
+ (p_params->heartbeat << 6) * 10000; /* usec */
+ }
+
+ viport_config->path_idx = 0;
+
+ viport = viport_allocate(viport_config);
+ if (!viport) {
+ SYS_ERROR("create_netpath: failed creating viport\n");
+ kfree(viport_config);
+ ret = -1;
+ goto out;
+ }
+
+ npdest->viport = viport;
+ viport->parent = npdest;
+ viport->vnic = npdest->parent;
+
+ if (is_dgid_zero(p_params->dgid) && p_params->ioc_guid != 0
+ && p_params->pkey != 0) {
+ viport_kick(viport);
+ vnic_disconnected(npdest->parent, npdest);
+ } else {
+ printk(KERN_WARNING "Specified parameters IOCGUID=%llx, "
+ "P_Key=%x, DGID=", be64_to_cpu(p_params->ioc_guid),
+ p_params->pkey);
+ print_dgid(p_params->dgid);
+ printk(" insufficient for establishing %s path for interface "
+ "%s. Hence, path will not be established.\n",
+ (npdest->second_bias ? "secondary" : "primary"),
+ npdest->parent->config->name);
+ }
+out:
+ return ret;
+}
+
+static int vnic_setup_path_files(struct netpath *path, char *name)
+{
+ init_completion(&path->dev_info.released);
+
+ path->dev_info.dev.class = NULL;
+ path->dev_info.dev.parent = &path->parent->dev_info.dev;
+ path->dev_info.dev.release = vnic_release_dev;
+ snprintf(path->dev_info.dev.bus_id, BUS_ID_SIZE, name);
+
+ if (device_register(&path->dev_info.dev)) {
+ SYS_ERROR("error in registering path class dev\n");
+ goto out;
+ }
+
+ if (sysfs_create_group(&path->dev_info.dev.kobj,
+ &vnic_path_attr_group)) {
+ SYS_ERROR("error in creating vnic path group attrs");
+ goto err_path;
+ }
+
+ return 0;
+
+err_path:
+ device_unregister(&path->dev_info.dev);
+ wait_for_completion(&path->dev_info.released);
+out:
+ return -1;
+}
+
+static inline void vnic_path_param_init(struct vnic_path_param *path)
+{
+ *(path->ioc_string) = '\0';
+ path->heartbeat = -1;
+ path->instance = 0;
+ path->ib_multicast = -1;
+ path->opt_mask = 0;
+}
+
+static inline void vnic_param_init(struct vnic_param *params)
+{
+ params->rx_csum = -1;
+ params->tx_csum = -1;
+ vnic_path_param_init(¶ms->primary_path);
+ vnic_path_param_init(¶ms->secondary_path);
+}
+
+static ssize_t vnic_create(struct device *dev,
+ struct device_attribute *dev_attr,
+ const char *buf, size_t count)
+{
+ struct vnic_config *vnic_config;
+ struct vnic *vnic;
+ struct list_head *ptr;
+
+ SYS_INFO("vnic_create: name = %s\n", buf);
+ list_for_each(ptr, &vnic_list) {
+ vnic = list_entry(ptr, struct vnic, list_ptrs);
+ if (!strcmp(vnic->config->name, buf)) {
+ SYS_ERROR("vnic %s already exists\n", buf);
+ return -EEXIST;
+ }
+ }
+
+ vnic_config = config_alloc_vnic();
+ if (!vnic_config) {
+ SYS_ERROR("create_vnic: failed creating vnic config\n");
+ goto out;
+ }
+ strcpy(vnic_config->name, buf);
+
+ vnic = vnic_allocate(vnic_config);
+ if (!vnic) {
+ SYS_ERROR("create_vnic: failed allocating vnic\n");
+ goto free_vnic_config;
+ }
+
+ init_completion(&vnic->dev_info.released);
+ vnic->dev_info.dev.class = NULL;
+ vnic->dev_info.dev.parent = &interface_dev.dev;
+ vnic->dev_info.dev.release = vnic_release_dev;
+ snprintf(vnic->dev_info.dev.bus_id, BUS_ID_SIZE, buf);
+
+ if (device_register(&vnic->dev_info.dev)) {
+ SYS_ERROR("create_vnic: error in registering"
+ " vnic class dev\n");
+ goto free_vnic;
+ }
+
+ if (sysfs_create_group(&vnic->dev_info.dev.kobj,
+ &vnic_dev_attr_group)) {
+ SYS_ERROR("create_vnic: error in creating"
+ "vnic attr group\n");
+ goto err_attr;
+ }
+
+ if (vnic_setup_stats_files(vnic))
+ goto err_stats;
+
+ if (vnic_setup_path_files(&vnic->primary_path, "primary_path"))
+ goto err_primary_path;
+
+ if (vnic_setup_path_files(&vnic->secondary_path, "secondary_path"))
+ goto err_secondary_path;
+
+ vnic_param_init(&vnic->params);
+ return count;
+
+err_secondary_path:
+ vnic_cleanup_path_files(&vnic->primary_path);
+err_primary_path:
+ vnic_cleanup_stats_files(vnic);
+err_stats:
+ sysfs_remove_group(&vnic->dev_info.dev.kobj,
+ &vnic_dev_attr_group);
+err_attr:
+ device_unregister(&vnic->dev_info.dev);
+ wait_for_completion(&vnic->dev_info.released);
+free_vnic:
+ list_del(&vnic->list_ptrs);
+ kfree(vnic);
+free_vnic_config:
+ kfree(vnic_config);
+out:
+ return -EINVAL;
+}
+
+DEVICE_ATTR(create_vnic, S_IWUSR, NULL, vnic_create);
+
+static ssize_t vnic_delete(struct device *dev, struct device_attribute
*dev_attr,
+ const char *buf, size_t count)
+{
+ struct vnic *vnic;
+ struct list_head *ptr;
+ int ret = -EINVAL;
+
+ if (count > IFNAMSIZ) {
+ printk(KERN_WARNING PFX "invalid vnic interface name\n");
+ return ret;
+ }
+
+ SYS_INFO("vnic_delete: name = %s\n", buf);
+ list_for_each(ptr, &vnic_list) {
+ vnic = list_entry(ptr, struct vnic, list_ptrs);
+ if (!strcmp(vnic->config->name, buf)) {
+ vnic_free(vnic);
+ return count;
+ }
+ }
+
+ printk(KERN_WARNING PFX "vnic interface '%s' does not exist\n", buf);
+ return ret;
+}
+
+DEVICE_ATTR(delete_vnic, S_IWUSR, NULL, vnic_delete);
+
+static ssize_t show_viport_state(struct device *dev,
+ struct device_attribute *dev_attr, char *buf)
+{
+ struct dev_info *info = container_of(dev, struct dev_info, dev);
+ struct netpath *path = container_of(info, struct netpath, dev_info);
+
+ if (!path->viport)
+ return sprintf(buf, "INVALID STATE\n");
+
+ switch (path->viport->state) {
+ case VIPORT_DISCONNECTED:
+ return sprintf(buf, "VIPORT_DISCONNECTED\n");
+ case VIPORT_CONNECTED:
+ return sprintf(buf, "VIPORT_CONNECTED\n");
+ default:
+ return sprintf(buf, "INVALID STATE\n");
+ }
+
+}
+
+static DEVICE_ATTR(viport_state, S_IRUGO, show_viport_state, NULL);
+
+static ssize_t show_link_state(struct device *dev,
+ struct device_attribute *dev_attr, char *buf)
+{
+ struct dev_info *info = container_of(dev, struct dev_info, dev);
+ struct netpath *path = container_of(info, struct netpath, dev_info);
+
+ if (!path->viport)
+ return sprintf(buf, "INVALID STATE\n");
+
+ switch (path->viport->link_state) {
+ case LINK_UNINITIALIZED:
+ return sprintf(buf, "LINK_UNINITIALIZED\n");
+ case LINK_INITIALIZE:
+ return sprintf(buf, "LINK_INITIALIZE\n");
+ case LINK_INITIALIZECONTROL:
+ return sprintf(buf, "LINK_INITIALIZECONTROL\n");
+ case LINK_INITIALIZEDATA:
+ return sprintf(buf, "LINK_INITIALIZEDATA\n");
+ case LINK_CONTROLCONNECT:
+ return sprintf(buf, "LINK_CONTROLCONNECT\n");
+ case LINK_CONTROLCONNECTWAIT:
+ return sprintf(buf, "LINK_CONTROLCONNECTWAIT\n");
+ case LINK_INITVNICREQ:
+ return sprintf(buf, "LINK_INITVNICREQ\n");
+ case LINK_INITVNICRSP:
+ return sprintf(buf, "LINK_INITVNICRSP\n");
+ case LINK_BEGINDATAPATH:
+ return sprintf(buf, "LINK_BEGINDATAPATH\n");
+ case LINK_CONFIGDATAPATHREQ:
+ return sprintf(buf, "LINK_CONFIGDATAPATHREQ\n");
+ case LINK_CONFIGDATAPATHRSP:
+ return sprintf(buf, "LINK_CONFIGDATAPATHRSP\n");
+ case LINK_DATACONNECT:
+ return sprintf(buf, "LINK_DATACONNECT\n");
+ case LINK_DATACONNECTWAIT:
+ return sprintf(buf, "LINK_DATACONNECTWAIT\n");
+ case LINK_XCHGPOOLREQ:
+ return sprintf(buf, "LINK_XCHGPOOLREQ\n");
+ case LINK_XCHGPOOLRSP:
+ return sprintf(buf, "LINK_XCHGPOOLRSP\n");
+ case LINK_INITIALIZED:
+ return sprintf(buf, "LINK_INITIALIZED\n");
+ case LINK_IDLE:
+ return sprintf(buf, "LINK_IDLE\n");
+ case LINK_IDLING:
+ return sprintf(buf, "LINK_IDLING\n");
+ case LINK_CONFIGLINKREQ:
+ return sprintf(buf, "LINK_CONFIGLINKREQ\n");
+ case LINK_CONFIGLINKRSP:
+ return sprintf(buf, "LINK_CONFIGLINKRSP\n");
+ case LINK_CONFIGADDRSREQ:
+ return sprintf(buf, "LINK_CONFIGADDRSREQ\n");
+ case LINK_CONFIGADDRSRSP:
+ return sprintf(buf, "LINK_CONFIGADDRSRSP\n");
+ case LINK_REPORTSTATREQ:
+ return sprintf(buf, "LINK_REPORTSTATREQ\n");
+ case LINK_REPORTSTATRSP:
+ return sprintf(buf, "LINK_REPORTSTATRSP\n");
+ case LINK_HEARTBEATREQ:
+ return sprintf(buf, "LINK_HEARTBEATREQ\n");
+ case LINK_HEARTBEATRSP:
+ return sprintf(buf, "LINK_HEARTBEATRSP\n");
+ case LINK_RESET:
+ return sprintf(buf, "LINK_RESET\n");
+ case LINK_RESETRSP:
+ return sprintf(buf, "LINK_RESETRSP\n");
+ case LINK_RESETCONTROL:
+ return sprintf(buf, "LINK_RESETCONTROL\n");
+ case LINK_RESETCONTROLRSP:
+ return sprintf(buf, "LINK_RESETCONTROLRSP\n");
+ case LINK_DATADISCONNECT:
+ return sprintf(buf, "LINK_DATADISCONNECT\n");
+ case LINK_CONTROLDISCONNECT:
+ return sprintf(buf, "LINK_CONTROLDISCONNECT\n");
+ case LINK_CLEANUPDATA:
+ return sprintf(buf, "LINK_CLEANUPDATA\n");
+ case LINK_CLEANUPCONTROL:
+ return sprintf(buf, "LINK_CLEANUPCONTROL\n");
+ case LINK_DISCONNECTED:
+ return sprintf(buf, "LINK_DISCONNECTED\n");
+ case LINK_RETRYWAIT:
+ return sprintf(buf, "LINK_RETRYWAIT\n");
+ default:
+ return sprintf(buf, "INVALID STATE\n");
+ }
+}
+
+static DEVICE_ATTR(link_state, S_IRUGO, show_link_state, NULL);
+
+static ssize_t show_heartbeat(struct device *dev,
+ struct device_attribute *dev_attr, char *buf)
+{
+ struct dev_info *info = container_of(dev, struct dev_info, dev);
+ struct netpath *path = container_of(info, struct netpath, dev_info);
+
+ /* hb_inteval is in jiffies, convert it back to
+ * 1/100ths of a second
+ */
+ if (!path->viport)
+ return sprintf(buf, "0\n");
+ else
+ return sprintf(buf, "%d\n",
+
(jiffies_to_msecs(path->viport->config->hb_interval)/10));
+}
+
+static ssize_t store_heartbeat(struct device *dev,
+ struct device_attribute *dev_attr,
+ const char *buf, size_t count)
+{
+ int token;
+ struct dev_info *info = container_of(dev, struct dev_info, dev);
+ struct netpath *path = container_of(info, struct netpath, dev_info);
+ char *dup = kstrdup(buf, GFP_KERNEL);
+ substring_t heartbeat = { dup, dup + strlen(dup) };
+
+ if (match_int(&heartbeat, &token)) {
+ printk(KERN_WARNING PFX "bad heartbeat parameter '%s'\n", buf);
+ return -EINVAL;
+ }
+ if (token > 6000 || token <= 0) {
+ printk(KERN_WARNING PFX "heartbeat parameter must be"
+ " > 0 and <= 6000\n");
+ return -EINVAL;
+ }
+
+ if (path->second_bias)
+ path->parent->params.secondary_path.heartbeat = token;
+ else
+ path->parent->params.primary_path.heartbeat = token;
+
+ kfree(dup);
+ return count;
+}
+
+static DEVICE_ATTR(heartbeat, S_IRUGO | S_IWUSR, show_heartbeat,
store_heartbeat);
+
+static ssize_t show_ioc_guid(struct device *dev,
+ struct device_attribute *dev_attr, char *buf)
+{
+ struct dev_info *info = container_of(dev, struct dev_info, dev);
+ struct netpath *path = container_of(info, struct netpath, dev_info);
+
+ if (!path->viport)
+ return sprintf(buf, "0\n");
+ else
+ return sprintf(buf, "%llx\n",
+ __be64_to_cpu(path->viport->config->ioc_guid));
+}
+
+static ssize_t store_ioc_guid(struct device *dev,
+ struct device_attribute *dev_attr,
+ const char *buf, size_t count)
+{
+ struct dev_info *info = container_of(dev, struct dev_info, dev);
+ struct netpath *path = container_of(info, struct netpath, dev_info);
+ char *dup = kstrdup(buf, GFP_KERNEL);
+
+ __be64 iocguid = cpu_to_be64(simple_strtoull(dup, NULL, 16));
+ if (path->second_bias) {
+ path->parent->params.secondary_path.ioc_guid = iocguid;
+ path->parent->params.secondary_path.opt_mask |=
VNIC_OPT_IOC_GUID;
+ } else {
+ path->parent->params.primary_path.ioc_guid = iocguid;
+ path->parent->params.primary_path.opt_mask |= VNIC_OPT_IOC_GUID;
+ }
+
+ kfree(dup);
+ return count;
+}
+
+static DEVICE_ATTR(ioc_guid, S_IRUGO | S_IWUSR, show_ioc_guid, store_ioc_guid);
+
+static inline void get_dgid_string(u8 *dgid, char *buf)
+{
+ int i;
+ char holder[5];
+
+ for (i = 0; i < 16; i += 2) {
+ sprintf(holder, "%04x", be16_to_cpu(*(__be16 *)&dgid[i]));
+ strcat(buf, holder);
+ }
+
+ strcat(buf, "\n");
+}
+
+static ssize_t show_dgid(struct device *dev,
+ struct device_attribute *dev_attr, char *buf)
+{
+ struct dev_info *info = container_of(dev, struct dev_info, dev);
+ struct netpath *path = container_of(info, struct netpath, dev_info);
+
+ if (!path->viport)
+ return sprintf(buf, "0\n");
+ else {
+ get_dgid_string(path->viport->config->path_info.path.dgid.raw,
+ buf);
+ return strlen(buf);
+ }
+}
+
+static ssize_t store_dgid(struct device *dev,
+ struct device_attribute *dev_attr,
+ const char *buf, size_t count)
+{
+ struct dev_info *info = container_of(dev, struct dev_info, dev);
+ struct netpath *path = container_of(info, struct netpath, dev_info);
+ char *dup = kstrdup(buf, GFP_KERNEL);
+ char dgid[3];
+ int i;
+
+ if (strlen(dup) != 32) {
+ printk(KERN_WARNING PFX "bad dest GID parameter '%s'\n", dup);
+ kfree(dup);
+ return -EINVAL;
+ }
+
+ for (i = 0; i < 16; ++i) {
+ strlcpy(dgid, dup + i * 2, 3);
+ if (path->second_bias) {
+ path->parent->params.secondary_path.dgid[i] =
+ simple_strtoul(dgid, NULL, 16);
+ path->parent->params.secondary_path.opt_mask |=
+ VNIC_OPT_DGID;
+ } else {
+ path->parent->params.primary_path.dgid[i] =
+ simple_strtoul(dgid, NULL, 16);
+ path->parent->params.primary_path.opt_mask |=
+ VNIC_OPT_DGID;
+ }
+
+ }
+ kfree(dup);
+ return count;
+}
+
+static DEVICE_ATTR(dgid, S_IRUGO | S_IWUSR, show_dgid, store_dgid);
+
+static ssize_t show_pkey(struct device *dev,
+ struct device_attribute *dev_attr, char *buf)
+{
+ struct dev_info *info = container_of(dev, struct dev_info, dev);
+ struct netpath *path = container_of(info, struct netpath, dev_info);
+
+ if (!path->viport)
+ return sprintf(buf, "0\n");
+ else
+ return sprintf(buf, "%x\n",
+ path->viport->config->path_info.path.pkey);
+}
+
+static ssize_t store_pkey(struct device *dev,
+ struct device_attribute *dev_attr,
+ const char *buf, size_t count)
+{
+ struct dev_info *info = container_of(dev, struct dev_info, dev);
+ struct netpath *path = container_of(info, struct netpath, dev_info);
+ int token;
+ char *dup = kstrdup(buf, GFP_KERNEL);
+ substring_t pkey = { dup, dup + strlen(dup) };
+
+ if (match_hex(&pkey, &token)) {
+ printk(KERN_WARNING PFX "bad P_key parameter '%s'\n", buf);
+ return -EINVAL;
+ }
+
+ if (path->second_bias) {
+ path->parent->params.secondary_path.pkey = cpu_to_be16(token);
+ path->parent->params.secondary_path.opt_mask |= VNIC_OPT_PKEY;
+ } else {
+ path->parent->params.primary_path.pkey = cpu_to_be16(token);
+ path->parent->params.primary_path.opt_mask |= VNIC_OPT_PKEY;
+ }
+ kfree(dup);
+ return count;
+}
+
+static DEVICE_ATTR(pkey, S_IRUGO | S_IWUSR, show_pkey, store_pkey);
+
+static ssize_t show_hca_info(struct device *dev,
+ struct device_attribute *dev_attr, char *buf)
+{
+ struct dev_info *info = container_of(dev, struct dev_info, dev);
+ struct netpath *path = container_of(info, struct netpath, dev_info);
+
+ if (!path->viport)
+ return sprintf(buf, "\n");
+ else
+ return sprintf(buf, "vnic-%s-%d\n",
+ path->viport->config->ibdev->name,
+ path->viport->config->port);
+}
+
+static DEVICE_ATTR(hca_info, S_IRUGO, show_hca_info, NULL);
+
+static ssize_t show_ioc_string(struct device *dev,
+ struct device_attribute *dev_attr, char *buf)
+{
+ struct dev_info *info = container_of(dev, struct dev_info, dev);
+ struct netpath *path = container_of(info, struct netpath, dev_info);
+
+ if (!path->viport)
+ return sprintf(buf, "\n");
+ else
+ return sprintf(buf, "%s\n", path->viport->config->ioc_string);
+}
+
+static ssize_t store_ioc_string(struct device *dev,
+ struct device_attribute *dev_attr,
+ const char *buf, size_t count)
+{
+ struct dev_info *info = container_of(dev, struct dev_info, dev);
+ struct netpath *path = container_of(info, struct netpath, dev_info);
+
+ if (strlen(buf) > MAX_IOC_STRING_LEN) {
+ printk(KERN_WARNING PFX "ioc string parameter too long\n");
+ return -EINVAL;
+ }
+ if (path->second_bias)
+ strncpy(path->parent->params.secondary_path.ioc_string, buf,
+ MAX_IOC_STRING_LEN);
+ else
+ strncpy(path->parent->params.primary_path.ioc_string, buf,
+ MAX_IOC_STRING_LEN);
+
+ return count;
+}
+
+static DEVICE_ATTR(ioc_string, S_IRUGO | S_IWUSR, show_ioc_string,
store_ioc_string);
+
+static ssize_t show_multicast_state(struct device *dev,
+ struct device_attribute *dev_attr,
+ char *buf)
+{
+ struct dev_info *info = container_of(dev, struct dev_info, dev);
+ struct netpath *path = container_of(info, struct netpath, dev_info);
+
+ if (!path->viport)
+ return sprintf(buf, "\n");
+
+ if (!(path->viport->features_supported & VNIC_FEAT_INBOUND_IB_MC))
+ return sprintf(buf, "feature not enabled\n");
+
+ switch (path->viport->mc_info.state) {
+ case MCAST_STATE_INVALID:
+ return sprintf(buf, "state=Invalid\n");
+ case MCAST_STATE_JOINING:
+ return sprintf(buf, "state=Joining MGID:" VNIC_GID_FMT "\n",
+ VNIC_GID_RAW_ARG(path->viport->mc_info.mgid.raw));
+ case MCAST_STATE_ATTACHING:
+ return sprintf(buf, "state=Attaching MGID:" VNIC_GID_FMT
+ " MLID:%X\n",
+ VNIC_GID_RAW_ARG(path->viport->mc_info.mgid.raw),
+ path->viport->mc_info.mlid);
+ case MCAST_STATE_JOINED_ATTACHED:
+ return sprintf(buf,
+ "state=Joined & Attached MGID:" VNIC_GID_FMT
+ " MLID:%X\n",
+ VNIC_GID_RAW_ARG(path->viport->mc_info.mgid.raw),
+ path->viport->mc_info.mlid);
+ case MCAST_STATE_DETACHING:
+ return sprintf(buf, "state=Detaching MGID: " VNIC_GID_FMT "\n",
+ VNIC_GID_RAW_ARG(path->viport->mc_info.mgid.raw));
+ case MCAST_STATE_RETRIED:
+ return sprintf(buf, "state=Retries Exceeded\n");
+ }
+ return sprintf(buf, "invalid state\n");
+}
+
+static DEVICE_ATTR(multicast_state, S_IRUGO, show_multicast_state, NULL);
+
+static ssize_t show_instance(struct device *dev,
+ struct device_attribute *dev_attr, char *buf)
+{
+ struct dev_info *info = container_of(dev, struct dev_info, dev);
+ struct netpath *path = container_of(info, struct netpath, dev_info);
+
+ if (!path->viport)
+ return sprintf(buf, "-1\n");
+ else
+ return sprintf(buf, "%d\n",
+ path->viport->control.config->vnic_instance);
+}
+
+static ssize_t store_instance(struct device *dev,
+ struct device_attribute *dev_attr,
+ const char *buf, size_t count)
+{
+ int token;
+ struct dev_info *info = container_of(dev, struct dev_info, dev);
+ struct netpath *path = container_of(info, struct netpath, dev_info);
+ char *dup = kstrdup(buf, GFP_KERNEL);
+ substring_t instance = { dup, dup + strlen(dup) };
+
+ if (match_int(&instance, &token)) {
+ printk(KERN_WARNING PFX "bad instance parameter '%s'\n", buf);
+ return -EINVAL;
+ }
+
+ if (token > 255 || token < 0) {
+ printk(KERN_WARNING PFX "instance parameter must be"
+ " >= 0 and <= 255\n");
+ return -EINVAL;
+ }
+
+ if (path->second_bias)
+ path->parent->params.secondary_path.instance = token;
+ else
+ path->parent->params.primary_path.instance = token;
+
+ kfree(dup);
+ return count;
+}
+
+static DEVICE_ATTR(instance, S_IRUGO | S_IWUSR, show_instance, store_instance);
+
+static struct attribute *vnic_path_attrs[] = {
+ &dev_attr_viport_state.attr,
+ &dev_attr_link_state.attr,
+ &dev_attr_heartbeat.attr,
+ &dev_attr_ioc_guid.attr,
+ &dev_attr_dgid.attr,
+ &dev_attr_pkey.attr,
+ &dev_attr_hca_info.attr,
+ &dev_attr_ioc_string.attr,
+ &dev_attr_multicast_state.attr,
+ &dev_attr_instance.attr,
+ NULL
+};
+
+struct attribute_group vnic_path_attr_group = {
+ .attrs = vnic_path_attrs,
+};
+
+void vnic_cleanup_path_files(struct netpath *path)
+{
+ sysfs_remove_group(&path->dev_info.dev.kobj,
+ &vnic_path_attr_group);
+ device_unregister(&path->dev_info.dev);
+ wait_for_completion(&path->dev_info.released);
+}
+
+static inline void update_dgids(u8 *old, u8 *new, char *vnic_name,
+ char *path_name)
+{
+ int i;
+
+ if (!memcmp(old, new, 16))
+ return;
+
+ printk(KERN_INFO PFX "Changing dgid from 0x");
+ print_dgid(old);
+ printk(" to 0x");
+ print_dgid(new);
+ printk(" for %s path of %s\n", path_name, vnic_name);
+ for (i = 0; i < 16; i++)
+ old[i] = new[i];
+}
+
+static inline void update_ioc_guids(struct vnic_path_param *params,
+ struct netpath *path,
+ char *vnic_name, char *path_name)
+{
+ u64 sid;
+
+ if (path->viport->config->ioc_guid == params->ioc_guid)
+ return;
+
+ printk(KERN_INFO PFX "Changing IOC GUID from 0x%llx to 0x%llx "
+ "for %s path of %s\n",
+ __be64_to_cpu(path->viport->config->ioc_guid),
+ __be64_to_cpu(params->ioc_guid), path_name, vnic_name);
+
+ path->viport->config->ioc_guid = params->ioc_guid;
+
+ sid = (SST_AGN << 56) | (SST_OUI << 32) | (CONTROL_PATH_ID << 8)
+ | IOC_NUMBER(be64_to_cpu(params->ioc_guid));
+
+ path->viport->config->control_config.ib_config.service_id =
+ cpu_to_be64(sid);
+
+ sid = (SST_AGN << 56) | (SST_OUI << 32) | (DATA_PATH_ID << 8)
+ | IOC_NUMBER(be64_to_cpu(params->ioc_guid));
+
+ path->viport->config->data_config.ib_config.service_id =
+ cpu_to_be64(sid);
+}
+
+static inline void update_pkeys(__be16 *old, __be16 *new, char *vnic_name,
+ char *path_name)
+{
+ if (*old == *new)
+ return;
+
+ printk(KERN_INFO PFX "Changing P_Key from 0x%x to 0x%x "
+ "for %s path of %s\n", *old, *new,
+ path_name, vnic_name);
+ *old = *new;
+}
+
+static void update_ioc_strings(struct vnic_path_param *params,
+ struct netpath *path, char *path_name)
+{
+ if (!strcmp(params->ioc_string, path->viport->config->ioc_string))
+ return;
+
+ printk(KERN_INFO PFX "Changing ioc_string to %s for %s path of %s\n",
+ params->ioc_string, path_name,
+ path->parent->config->name);
+
+ strcpy(path->viport->config->ioc_string, params->ioc_string);
+}
+
+static void update_path_parameters(struct vnic_path_param *params,
+ struct netpath *path)
+{
+ update_dgids(path->viport->config->path_info.path.dgid.raw,
+ params->dgid, path->parent->config->name,
+ (path->second_bias ? "secondary" : "primary"));
+
+ update_ioc_guids(params, path, path->parent->config->name,
+ (path->second_bias ? "secondary" : "primary"));
+
+ update_pkeys(&path->viport->config->path_info.path.pkey,
+ ¶ms->pkey, path->parent->config->name,
+ (path->second_bias ? "secondary" : "primary"));
+
+ update_ioc_strings(params, path,
+ (path->second_bias ? "secondary" : "primary"));
+}
+
+static ssize_t update_params_and_connect(struct vnic_path_param *params,
+ struct netpath *path, size_t count)
+{
+ if (is_dgid_zero(params->dgid) && params->ioc_guid != 0 &&
+ params->pkey != 0) {
+
+ if (!memcmp(path->viport->config->path_info.path.dgid.raw,
+ params->dgid, 16) &&
+ params->ioc_guid == path->viport->config->ioc_guid &&
+ params->pkey ==
path->viport->config->path_info.path.pkey) {
+
+ printk(KERN_WARNING PFX "All of the dgid, ioc_guid and "
+ "pkeys are same as the existing"
+ " one. Not updating values.\n");
+ return -EINVAL;
+ } else {
+ if (path->viport->state == VIPORT_CONNECTED) {
+ printk(KERN_WARNING PFX "%s path of %s "
+ "interface is already in connected "
+ "state. Not updating values.\n",
+ (path->second_bias ? "Secondary" : "Primary"),
+ path->parent->config->name);
+ return -EINVAL;
+ } else {
+ update_path_parameters(params, path);
+ viport_kick(path->viport);
+ vnic_disconnected(path->parent, path);
+ return count;
+ }
+ }
+ } else {
+ printk(KERN_WARNING PFX "Either dgid, iocguid, pkey is zero. "
+ "No update.\n");
+ return -EINVAL;
+ }
+}
+
+static ssize_t vnic_create_primary(struct device *dev,
+ struct device_attribute *dev_attr,
+ const char *buf, size_t count)
+{
+ struct dev_info *info = container_of(dev, struct dev_info, dev);
+ struct vnic_ib_port *target =
+ container_of(info, struct vnic_ib_port, pdev_info);
+
+ int ret = -EINVAL;
+ struct vnic *vnic;
+ struct list_head *ptr;
+ int vnic_found = 0;
+
+ list_for_each(ptr, &vnic_list) {
+ vnic = list_entry(ptr, struct vnic, list_ptrs);
+ if (!strncmp(vnic->config->name, buf, IFNAMSIZ)) {
+ vnic_found = 1;
+ vnic->params.primary_path.opt_mask |= VNIC_OPT_NAME;
+ break;
+ }
+ }
+
+ if (!vnic_found) {
+ printk(KERN_ERR PFX
+ "You need to first echo the interface name into "
+
"/sys/class/infiniband_qlgc_vnic/interfaces/create_vnic\n");
+ goto out;
+ }
+
+ if (vnic_all_connection_params(&vnic->params.primary_path))
+ goto out;
+
+ if (vnic->primary_path.viport) {
+ if (vnic->primary_path.viport->state == VIPORT_DISCONNECTED)
+ ret =
update_params_and_connect(&vnic->params.primary_path,
+ &vnic->primary_path, count);
+ else
+ printk(KERN_ERR PFX "No connection establishment. "
+ "Connection already present.\n");
+ goto out;
+ }
+
+ vnic->params.primary_path.ibdev = target->dev->dev;
+ vnic->params.primary_path.ibport = target;
+ vnic->params.primary_path.port = target->port_num;
+
+ if (vnic->params.rx_csum != -1)
+ vnic->config->use_rx_csum = vnic->params.rx_csum;
+ if (vnic->params.tx_csum != -1)
+ vnic->config->use_tx_csum = vnic->params.tx_csum;
+
+ if (vnic_create_netpath(&vnic->primary_path,
&vnic->params.primary_path)) {
+ printk(KERN_ERR PFX "creating primary netpath failed\n");
+ goto free_vnic;
+ }
+
+ if (vnic && !vnic->primary_path.viport) {
+ printk(KERN_ERR PFX "no valid netpaths\n");
+ goto free_vnic;
+ }
+
+ return count;
+
+free_vnic:
+ vnic_free(vnic);
+ ret = -EINVAL;
+out:
+ return ret;
+}
+
+DEVICE_ATTR(create_primary, S_IWUSR, NULL, vnic_create_primary);
+
+static ssize_t vnic_create_secondary(struct device *dev,
+ struct device_attribute *dev_attr,
+ const char *buf, size_t count)
+{
+ struct dev_info *info = container_of(dev, struct dev_info, dev);
+ struct vnic_ib_port *target =
+ container_of(info, struct vnic_ib_port, pdev_info);
+
+ struct vnic *vnic = NULL;
+ int ret = -EINVAL;
+ struct list_head *ptr;
+ int vnic_found = 0;
+
+ list_for_each(ptr, &vnic_list) {
+ vnic = list_entry(ptr, struct vnic, list_ptrs);
+ if (!strncmp(vnic->config->name, buf, IFNAMSIZ)) {
+ vnic_found = 1;
+ vnic->params.secondary_path.opt_mask |= VNIC_OPT_NAME;
+ break;
+ }
+ }
+
+ if (!vnic_found) {
+ printk(KERN_ERR PFX
+ "You need to first echo the interface name into "
+
"/sys/class/infiniband_qlgc_vnic/interfaces/create_vnic\n");
+ goto out;
+ }
+
+ if (vnic_all_connection_params(&vnic->params.secondary_path))
+ goto out;
+
+ if (vnic->secondary_path.viport) {
+ if (vnic->secondary_path.viport->state == VIPORT_DISCONNECTED)
+ ret =
update_params_and_connect(&vnic->params.secondary_path,
+ &vnic->secondary_path, count);
+ else
+ printk(KERN_ERR PFX "No connection establishment. "
+ "Connection already present.\n");
+ goto out;
+ }
+
+ vnic->params.secondary_path.ibdev = target->dev->dev;
+ vnic->params.secondary_path.ibport = target;
+ vnic->params.secondary_path.port = target->port_num;
+
+ if (vnic_create_netpath(&vnic->secondary_path,
&vnic->params.secondary_path)) {
+ printk(KERN_ERR PFX "creating secondary netpath failed\n");
+ goto out;
+ }
+
+ return count;
+
+out:
+ return ret;
+}
+
+DEVICE_ATTR(create_secondary, S_IWUSR, NULL, vnic_create_secondary);
diff --git a/drivers/infiniband/ulp/qlgc_vnic/vnic_sys.h
b/drivers/infiniband/ulp/qlgc_vnic/vnic_sys.h
new file mode 100644
index 0000000..1a52344
--- /dev/null
+++ b/drivers/infiniband/ulp/qlgc_vnic/vnic_sys.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2006 QLogic, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses. You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef VNIC_SYS_H_INCLUDED
+#define VNIC_SYS_H_INCLUDED
+
+struct dev_info {
+ struct device dev;
+ struct completion released;
+};
+
+extern struct class vnic_class;
+extern struct dev_info interface_dev;
+extern struct attribute_group vnic_dev_attr_group;
+extern struct attribute_group vnic_path_attr_group;
+extern struct device_attribute dev_attr_create_primary;
+extern struct device_attribute dev_attr_create_secondary;
+extern struct device_attribute dev_attr_delete_vnic;
+extern struct device_attribute dev_attr_create_vnic;
+
+extern void vnic_release_dev(struct device *dev);
+
+#endif /*VNIC_SYS_H_INCLUDED*/
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