These changes are the raw update to linux-4.4.6-rt14. Kernel sources
[kvmfornfv.git] / kernel / drivers / target / loopback / tcm_loop.h
1 #define TCM_LOOP_VERSION                "v2.1-rc2"
2 #define TL_WWN_ADDR_LEN                 256
3 #define TL_TPGS_PER_HBA                 32
4
5 struct tcm_loop_cmd {
6         /* State of Linux/SCSI CDB+Data descriptor */
7         u32 sc_cmd_state;
8         /* Tagged command queueing */
9         u32 sc_cmd_tag;
10         /* Pointer to the CDB+Data descriptor from Linux/SCSI subsystem */
11         struct scsi_cmnd *sc;
12         /* The TCM I/O descriptor that is accessed via container_of() */
13         struct se_cmd tl_se_cmd;
14         struct work_struct work;
15         /* Sense buffer that will be mapped into outgoing status */
16         unsigned char tl_sense_buf[TRANSPORT_SENSE_BUFFER];
17 };
18
19 struct tcm_loop_tmr {
20         atomic_t tmr_complete;
21         wait_queue_head_t tl_tmr_wait;
22 };
23
24 struct tcm_loop_nexus {
25         /*
26          * Pointer to TCM session for I_T Nexus
27          */
28         struct se_session *se_sess;
29 };
30
31 #define TCM_TRANSPORT_ONLINE 0
32 #define TCM_TRANSPORT_OFFLINE 1
33
34 struct tcm_loop_tpg {
35         unsigned short tl_tpgt;
36         unsigned short tl_transport_status;
37         enum target_prot_type tl_fabric_prot_type;
38         atomic_t tl_tpg_port_count;
39         struct se_portal_group tl_se_tpg;
40         struct tcm_loop_hba *tl_hba;
41         struct tcm_loop_nexus *tl_nexus;
42 };
43
44 struct tcm_loop_hba {
45         u8 tl_proto_id;
46         unsigned char tl_wwn_address[TL_WWN_ADDR_LEN];
47         struct se_hba_s *se_hba;
48         struct se_lun *tl_hba_lun;
49         struct se_port *tl_hba_lun_sep;
50         struct device dev;
51         struct Scsi_Host *sh;
52         struct tcm_loop_tpg tl_hba_tpgs[TL_TPGS_PER_HBA];
53         struct se_wwn tl_hba_wwn;
54 };