Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / include / linux / iscsi_boot_sysfs.h
diff --git a/kernel/include/linux/iscsi_boot_sysfs.h b/kernel/include/linux/iscsi_boot_sysfs.h
new file mode 100644 (file)
index 0000000..2a8b165
--- /dev/null
@@ -0,0 +1,133 @@
+/*
+ * Export the iSCSI boot info to userland via sysfs.
+ *
+ * Copyright (C) 2010 Red Hat, Inc.  All rights reserved.
+ * Copyright (C) 2010 Mike Christie
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License v2.0 as published by
+ * the Free Software Foundation
+ *
+ * This program 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 General Public License for more details.
+ */
+#ifndef _ISCSI_BOOT_SYSFS_
+#define _ISCSI_BOOT_SYSFS_
+
+/*
+ * The text attributes names for each of the kobjects.
+*/
+enum iscsi_boot_eth_properties_enum {
+       ISCSI_BOOT_ETH_INDEX,
+       ISCSI_BOOT_ETH_FLAGS,
+       ISCSI_BOOT_ETH_IP_ADDR,
+       ISCSI_BOOT_ETH_SUBNET_MASK,
+       ISCSI_BOOT_ETH_ORIGIN,
+       ISCSI_BOOT_ETH_GATEWAY,
+       ISCSI_BOOT_ETH_PRIMARY_DNS,
+       ISCSI_BOOT_ETH_SECONDARY_DNS,
+       ISCSI_BOOT_ETH_DHCP,
+       ISCSI_BOOT_ETH_VLAN,
+       ISCSI_BOOT_ETH_MAC,
+       /* eth_pci_bdf - this is replaced by link to the device itself. */
+       ISCSI_BOOT_ETH_HOSTNAME,
+       ISCSI_BOOT_ETH_END_MARKER,
+};
+
+enum iscsi_boot_tgt_properties_enum {
+       ISCSI_BOOT_TGT_INDEX,
+       ISCSI_BOOT_TGT_FLAGS,
+       ISCSI_BOOT_TGT_IP_ADDR,
+       ISCSI_BOOT_TGT_PORT,
+       ISCSI_BOOT_TGT_LUN,
+       ISCSI_BOOT_TGT_CHAP_TYPE,
+       ISCSI_BOOT_TGT_NIC_ASSOC,
+       ISCSI_BOOT_TGT_NAME,
+       ISCSI_BOOT_TGT_CHAP_NAME,
+       ISCSI_BOOT_TGT_CHAP_SECRET,
+       ISCSI_BOOT_TGT_REV_CHAP_NAME,
+       ISCSI_BOOT_TGT_REV_CHAP_SECRET,
+       ISCSI_BOOT_TGT_END_MARKER,
+};
+
+enum iscsi_boot_initiator_properties_enum {
+       ISCSI_BOOT_INI_INDEX,
+       ISCSI_BOOT_INI_FLAGS,
+       ISCSI_BOOT_INI_ISNS_SERVER,
+       ISCSI_BOOT_INI_SLP_SERVER,
+       ISCSI_BOOT_INI_PRI_RADIUS_SERVER,
+       ISCSI_BOOT_INI_SEC_RADIUS_SERVER,
+       ISCSI_BOOT_INI_INITIATOR_NAME,
+       ISCSI_BOOT_INI_END_MARKER,
+};
+
+struct attribute_group;
+
+struct iscsi_boot_kobj {
+       struct kobject kobj;
+       struct attribute_group *attr_group;
+       struct list_head list;
+
+       /*
+        * Pointer to store driver specific info. If set this will
+        * be freed for the LLD when the kobj release function is called.
+        */
+       void *data;
+       /*
+        * Driver specific show function.
+        *
+        * The enum of the type. This can be any value of the above
+        * properties.
+        */
+       ssize_t (*show) (void *data, int type, char *buf);
+
+       /*
+        * Drivers specific visibility function.
+        * The function should return if they the attr should be readable
+        * writable or should not be shown.
+        *
+        * The enum of the type. This can be any value of the above
+        * properties.
+        */
+       umode_t (*is_visible) (void *data, int type);
+
+       /*
+        * Driver specific release function.
+        *
+        * The function should free the data passed in.
+        */
+       void (*release) (void *data);
+};
+
+struct iscsi_boot_kset {
+       struct list_head kobj_list;
+       struct kset *kset;
+};
+
+struct iscsi_boot_kobj *
+iscsi_boot_create_initiator(struct iscsi_boot_kset *boot_kset, int index,
+                           void *data,
+                           ssize_t (*show) (void *data, int type, char *buf),
+                           umode_t (*is_visible) (void *data, int type),
+                           void (*release) (void *data));
+
+struct iscsi_boot_kobj *
+iscsi_boot_create_ethernet(struct iscsi_boot_kset *boot_kset, int index,
+                          void *data,
+                          ssize_t (*show) (void *data, int type, char *buf),
+                          umode_t (*is_visible) (void *data, int type),
+                          void (*release) (void *data));
+struct iscsi_boot_kobj *
+iscsi_boot_create_target(struct iscsi_boot_kset *boot_kset, int index,
+                        void *data,
+                        ssize_t (*show) (void *data, int type, char *buf),
+                        umode_t (*is_visible) (void *data, int type),
+                        void (*release) (void *data));
+
+struct iscsi_boot_kset *iscsi_boot_create_kset(const char *set_name);
+struct iscsi_boot_kset *iscsi_boot_create_host_kset(unsigned int hostno);
+void iscsi_boot_destroy_kset(struct iscsi_boot_kset *boot_kset);
+
+#endif