drivers/scsi/qla2xxx/tcm_qla2xxx.h

   1 #include <target/target_core_base.h>
   2 #include <linux/btree.h>
   3
   4 #define TCM_QLA2XXX_VERSION     "v0.1"
   5 /* length of ASCII WWPNs including pad */
   6 #define TCM_QLA2XXX_NAMELEN     32
   7 /*
   8  * Number of pre-allocated per-session tags, based upon the worst-case
   9  * per port number of iocbs
  10  */
  11 #define TCM_QLA2XXX_DEFAULT_TAGS 2088
  12
  13 #include "qla_target.h"
  14
  15 struct tcm_qla2xxx_nacl {
  16         /* From libfc struct fc_rport->port_id */
  17         u32 nport_id;
  18         /* Binary World Wide unique Node Name for remote FC Initiator Nport */
  19         u64 nport_wwnn;
  20         /* ASCII formatted WWPN for FC Initiator Nport */
  21         char nport_name[TCM_QLA2XXX_NAMELEN];
  22         /* Pointer to qla_tgt_sess */
  23         struct qla_tgt_sess *qla_tgt_sess;
  24         /* Pointer to TCM FC nexus */
  25         struct se_session *nport_nexus;
  26         /* Returned by tcm_qla2xxx_make_nodeacl() */
  27         struct se_node_acl se_node_acl;
  28 };
  29
  30 struct tcm_qla2xxx_tpg_attrib {
  31         int generate_node_acls;
  32         int cache_dynamic_acls;
  33         int demo_mode_write_protect;
  34         int prod_mode_write_protect;
  35         int demo_mode_login_only;
  36 };
  37
  38 struct tcm_qla2xxx_tpg {
  39         /* FC lport target portal group tag for TCM */
  40         u16 lport_tpgt;
  41         /* Atomic bit to determine TPG active status */
  42         atomic_t lport_tpg_enabled;
  43         /* Pointer back to tcm_qla2xxx_lport */
  44         struct tcm_qla2xxx_lport *lport;
  45         /* Used by tcm_qla2xxx_tpg_attrib_cit */
  46         struct tcm_qla2xxx_tpg_attrib tpg_attrib;
  47         /* Returned by tcm_qla2xxx_make_tpg() */
  48         struct se_portal_group se_tpg;
  49         /* Items for dealing with configfs_depend_item */
  50         struct completion tpg_base_comp;
  51         struct work_struct tpg_base_work;
  52 };
  53
  54 struct tcm_qla2xxx_fc_loopid {
  55         struct se_node_acl *se_nacl;
  56 };
  57
  58 struct tcm_qla2xxx_lport {
  59         /* SCSI protocol the lport is providing */
  60         u8 lport_proto_id;
  61         /* Binary World Wide unique Port Name for FC Target Lport */
  62         u64 lport_wwpn;
  63         /* Binary World Wide unique Port Name for FC NPIV Target Lport */
  64         u64 lport_npiv_wwpn;
  65         /* Binary World Wide unique Node Name for FC NPIV Target Lport */
  66         u64 lport_npiv_wwnn;
  67         /* ASCII formatted WWPN for FC Target Lport */
  68         char lport_name[TCM_QLA2XXX_NAMELEN];
  69         /* ASCII formatted naa WWPN for VPD page 83 etc */
  70         char lport_naa_name[TCM_QLA2XXX_NAMELEN];
  71         /* map for fc_port pointers in 24-bit FC Port ID space */
  72         struct btree_head32 lport_fcport_map;
  73         /* vmalloc-ed memory for fc_port pointers for 16-bit FC loop ID */
  74         struct tcm_qla2xxx_fc_loopid *lport_loopid_map;
  75         /* Pointer to struct scsi_qla_host from qla2xxx LLD */
  76         struct scsi_qla_host *qla_vha;
  77         /* Pointer to struct qla_tgt pointer */
  78         struct qla_tgt lport_qla_tgt;
  79         /* Pointer to TPG=1 for non NPIV mode */
  80         struct tcm_qla2xxx_tpg *tpg_1;
  81         /* Returned by tcm_qla2xxx_make_lport() */
  82         struct se_wwn lport_wwn;
  83 };