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 /* lenth of ASCII NPIV 'WWPN+WWNN' including pad */
   8 #define TCM_QLA2XXX_NPIV_NAMELEN 66
   9
  10 #include "qla_target.h"
  11
  12 struct tcm_qla2xxx_nacl {
  13         /* From libfc struct fc_rport->port_id */
  14         u32 nport_id;
  15         /* Binary World Wide unique Node Name for remote FC Initiator Nport */
  16         u64 nport_wwnn;
  17         /* ASCII formatted WWPN for FC Initiator Nport */
  18         char nport_name[TCM_QLA2XXX_NAMELEN];
  19         /* Pointer to qla_tgt_sess */
  20         struct qla_tgt_sess *qla_tgt_sess;
  21         /* Pointer to TCM FC nexus */
  22         struct se_session *nport_nexus;
  23         /* Returned by tcm_qla2xxx_make_nodeacl() */
  24         struct se_node_acl se_node_acl;
  25 };
  26
  27 struct tcm_qla2xxx_tpg_attrib {
  28         int generate_node_acls;
  29         int cache_dynamic_acls;
  30         int demo_mode_write_protect;
  31         int prod_mode_write_protect;
  32 };
  33
  34 struct tcm_qla2xxx_tpg {
  35         /* FC lport target portal group tag for TCM */
  36         u16 lport_tpgt;
  37         /* Atomic bit to determine TPG active status */
  38         atomic_t lport_tpg_enabled;
  39         /* Pointer back to tcm_qla2xxx_lport */
  40         struct tcm_qla2xxx_lport *lport;
  41         /* Used by tcm_qla2xxx_tpg_attrib_cit */
  42         struct tcm_qla2xxx_tpg_attrib tpg_attrib;
  43         /* Returned by tcm_qla2xxx_make_tpg() */
  44         struct se_portal_group se_tpg;
  45 };
  46
  47 #define QLA_TPG_ATTRIB(tpg)     (&(tpg)->tpg_attrib)
  48
  49 struct tcm_qla2xxx_fc_loopid {
  50         struct se_node_acl *se_nacl;
  51 };
  52
  53 struct tcm_qla2xxx_lport {
  54         /* SCSI protocol the lport is providing */
  55         u8 lport_proto_id;
  56         /* Binary World Wide unique Port Name for FC Target Lport */
  57         u64 lport_wwpn;
  58         /* Binary World Wide unique Port Name for FC NPIV Target Lport */
  59         u64 lport_npiv_wwpn;
  60         /* Binary World Wide unique Node Name for FC NPIV Target Lport */
  61         u64 lport_npiv_wwnn;
  62         /* ASCII formatted WWPN for FC Target Lport */
  63         char lport_name[TCM_QLA2XXX_NAMELEN];
  64         /* ASCII formatted naa WWPN for VPD page 83 etc */
  65         char lport_naa_name[TCM_QLA2XXX_NAMELEN];
  66         /* ASCII formatted WWPN+WWNN for NPIV FC Target Lport */
  67         char lport_npiv_name[TCM_QLA2XXX_NPIV_NAMELEN];
  68         /* map for fc_port pointers in 24-bit FC Port ID space */
  69         struct btree_head32 lport_fcport_map;
  70         /* vmalloc-ed memory for fc_port pointers for 16-bit FC loop ID */
  71         struct tcm_qla2xxx_fc_loopid *lport_loopid_map;
  72         /* Pointer to struct scsi_qla_host from qla2xxx LLD */
  73         struct scsi_qla_host *qla_vha;
  74         /* Pointer to struct scsi_qla_host for NPIV VP from qla2xxx LLD */
  75         struct scsi_qla_host *qla_npiv_vp;
  76         /* Pointer to struct qla_tgt pointer */
  77         struct qla_tgt lport_qla_tgt;
  78         /* Pointer to struct fc_vport for NPIV vport from libfc */
  79         struct fc_vport *npiv_vport;
  80         /* Pointer to TPG=1 for non NPIV mode */
  81         struct tcm_qla2xxx_tpg *tpg_1;
  82         /* Returned by tcm_qla2xxx_make_lport() */
  83         struct se_wwn lport_wwn;
  84 };