LXR linux/drivers/scsi/qla2xxx/tcm

   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
  12struct 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
  27struct 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
  34struct 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
  49struct tcm_qla2xxx_fc_loopid {
  50        struct se_node_acl *se_nacl;
  51};
  52
  53struct 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};
  85