LXR linux/drivers/target/target_core

   1#ifndef TARGET_CORE_INTERNAL_H
   2#define TARGET_CORE_INTERNAL_H
   3
   4#include <linux/configfs.h>
   5#include <linux/list.h>
   6#include <linux/types.h>
   7#include <target/target_core_base.h>
   8
   9#define TARGET_CORE_NAME_MAX_LEN        64
  10#define TARGET_FABRIC_NAME_SIZE         32
  11
  12struct target_backend {
  13        struct list_head list;
  14
  15        const struct target_backend_ops *ops;
  16
  17        struct config_item_type tb_dev_cit;
  18        struct config_item_type tb_dev_attrib_cit;
  19        struct config_item_type tb_dev_pr_cit;
  20        struct config_item_type tb_dev_wwn_cit;
  21        struct config_item_type tb_dev_alua_tg_pt_gps_cit;
  22        struct config_item_type tb_dev_stat_cit;
  23};
  24
  25struct target_fabric_configfs {
  26        atomic_t                tf_access_cnt;
  27        struct list_head        tf_list;
  28        struct config_group     tf_group;
  29        struct config_group     tf_disc_group;
  30        const struct target_core_fabric_ops *tf_ops;
  31
  32        struct config_item_type tf_discovery_cit;
  33        struct config_item_type tf_wwn_cit;
  34        struct config_item_type tf_wwn_fabric_stats_cit;
  35        struct config_item_type tf_tpg_cit;
  36        struct config_item_type tf_tpg_base_cit;
  37        struct config_item_type tf_tpg_lun_cit;
  38        struct config_item_type tf_tpg_port_cit;
  39        struct config_item_type tf_tpg_port_stat_cit;
  40        struct config_item_type tf_tpg_np_cit;
  41        struct config_item_type tf_tpg_np_base_cit;
  42        struct config_item_type tf_tpg_attrib_cit;
  43        struct config_item_type tf_tpg_auth_cit;
  44        struct config_item_type tf_tpg_param_cit;
  45        struct config_item_type tf_tpg_nacl_cit;
  46        struct config_item_type tf_tpg_nacl_base_cit;
  47        struct config_item_type tf_tpg_nacl_attrib_cit;
  48        struct config_item_type tf_tpg_nacl_auth_cit;
  49        struct config_item_type tf_tpg_nacl_param_cit;
  50        struct config_item_type tf_tpg_nacl_stat_cit;
  51        struct config_item_type tf_tpg_mappedlun_cit;
  52        struct config_item_type tf_tpg_mappedlun_stat_cit;
  53};
  54
  55/* target_core_alua.c */
  56extern struct t10_alua_lu_gp *default_lu_gp;
  57
  58/* target_core_device.c */
  59int     core_alloc_rtpi(struct se_lun *lun, struct se_device *dev);
  60struct se_dev_entry *core_get_se_deve_from_rtpi(struct se_node_acl *, u16);
  61void    target_pr_kref_release(struct kref *);
  62void    core_free_device_list_for_node(struct se_node_acl *,
  63                struct se_portal_group *);
  64void    core_update_device_list_access(u64, bool, struct se_node_acl *);
  65struct se_dev_entry *target_nacl_find_deve(struct se_node_acl *, u64);
  66int     core_enable_device_list_for_node(struct se_lun *, struct se_lun_acl *,
  67                u64, bool, struct se_node_acl *, struct se_portal_group *);
  68void    core_disable_device_list_for_node(struct se_lun *, struct se_dev_entry *,
  69                struct se_node_acl *, struct se_portal_group *);
  70void    core_clear_lun_from_tpg(struct se_lun *, struct se_portal_group *);
  71int     core_dev_add_lun(struct se_portal_group *, struct se_device *,
  72                struct se_lun *lun);
  73void    core_dev_del_lun(struct se_portal_group *, struct se_lun *);
  74struct se_lun_acl *core_dev_init_initiator_node_lun_acl(struct se_portal_group *,
  75                struct se_node_acl *, u64, int *);
  76int     core_dev_add_initiator_node_lun_acl(struct se_portal_group *,
  77                struct se_lun_acl *, struct se_lun *lun, bool);
  78int     core_dev_del_initiator_node_lun_acl(struct se_lun *,
  79                struct se_lun_acl *);
  80void    core_dev_free_initiator_node_lun_acl(struct se_portal_group *,
  81                struct se_lun_acl *lacl);
  82int     core_dev_setup_virtual_lun0(void);
  83void    core_dev_release_virtual_lun0(void);
  84struct se_device *target_alloc_device(struct se_hba *hba, const char *name);
  85int     target_configure_device(struct se_device *dev);
  86void    target_free_device(struct se_device *);
  87int     target_for_each_device(int (*fn)(struct se_device *dev, void *data),
  88                               void *data);
  89
  90/* target_core_configfs.c */
  91void    target_setup_backend_cits(struct target_backend *);
  92
  93/* target_core_fabric_configfs.c */
  94int     target_fabric_setup_cits(struct target_fabric_configfs *);
  95
  96/* target_core_fabric_lib.c */
  97int     target_get_pr_transport_id_len(struct se_node_acl *nacl,
  98                struct t10_pr_registration *pr_reg, int *format_code);
  99int     target_get_pr_transport_id(struct se_node_acl *nacl,
 100                struct t10_pr_registration *pr_reg, int *format_code,
 101                unsigned char *buf);
 102const char *target_parse_pr_out_transport_id(struct se_portal_group *tpg,
 103                const char *buf, u32 *out_tid_len, char **port_nexus_ptr);
 104
 105/* target_core_hba.c */
 106struct se_hba *core_alloc_hba(const char *, u32, u32);
 107int     core_delete_hba(struct se_hba *);
 108
 109/* target_core_tmr.c */
 110void    core_tmr_abort_task(struct se_device *, struct se_tmr_req *,
 111                        struct se_session *);
 112int     core_tmr_lun_reset(struct se_device *, struct se_tmr_req *,
 113                struct list_head *, struct se_cmd *);
 114
 115/* target_core_tpg.c */
 116extern struct se_device *g_lun0_dev;
 117
 118struct se_node_acl *__core_tpg_get_initiator_node_acl(struct se_portal_group *tpg,
 119                const char *);
 120void    core_tpg_add_node_to_devs(struct se_node_acl *, struct se_portal_group *,
 121                                  struct se_lun *);
 122void    core_tpg_wait_for_nacl_pr_ref(struct se_node_acl *);
 123struct se_lun *core_tpg_alloc_lun(struct se_portal_group *, u64);
 124int     core_tpg_add_lun(struct se_portal_group *, struct se_lun *,
 125                bool, struct se_device *);
 126void core_tpg_remove_lun(struct se_portal_group *, struct se_lun *);
 127struct se_node_acl *core_tpg_add_initiator_node_acl(struct se_portal_group *tpg,
 128                const char *initiatorname);
 129void core_tpg_del_initiator_node_acl(struct se_node_acl *acl);
 130
 131/* target_core_transport.c */
 132extern struct kmem_cache *se_tmr_req_cache;
 133
 134int     init_se_kmem_caches(void);
 135void    release_se_kmem_caches(void);
 136u32     scsi_get_new_index(scsi_index_t);
 137void    transport_subsystem_check_init(void);
 138int     transport_cmd_finish_abort(struct se_cmd *, int);
 139unsigned char *transport_dump_cmd_direction(struct se_cmd *);
 140void    transport_dump_dev_state(struct se_device *, char *, int *);
 141void    transport_dump_dev_info(struct se_device *, struct se_lun *,
 142                unsigned long long, char *, int *);
 143void    transport_dump_vpd_proto_id(struct t10_vpd *, unsigned char *, int);
 144int     transport_dump_vpd_assoc(struct t10_vpd *, unsigned char *, int);
 145int     transport_dump_vpd_ident_type(struct t10_vpd *, unsigned char *, int);
 146int     transport_dump_vpd_ident(struct t10_vpd *, unsigned char *, int);
 147void    transport_clear_lun_ref(struct se_lun *);
 148void    transport_send_task_abort(struct se_cmd *);
 149sense_reason_t  target_cmd_size_check(struct se_cmd *cmd, unsigned int size);
 150void    target_qf_do_work(struct work_struct *work);
 151bool    target_check_wce(struct se_device *dev);
 152bool    target_check_fua(struct se_device *dev);
 153void    __target_execute_cmd(struct se_cmd *, bool);
 154
 155/* target_core_stat.c */
 156void    target_stat_setup_dev_default_groups(struct se_device *);
 157void    target_stat_setup_port_default_groups(struct se_lun *);
 158void    target_stat_setup_mappedlun_default_groups(struct se_lun_acl *);
 159
 160/* target_core_xcopy.c */
 161extern struct se_portal_group xcopy_pt_tpg;
 162
 163/* target_core_configfs.c */
 164#define DB_ROOT_LEN             4096
 165#define DB_ROOT_DEFAULT         "/var/target"
 166
 167extern char db_root[];
 168
 169#endif /* TARGET_CORE_INTERNAL_H */
 170