diff options
Diffstat (limited to 'include/target')
| -rw-r--r-- | include/target/target_core_backend.h | 16 | ||||
| -rw-r--r-- | include/target/target_core_base.h | 59 | ||||
| -rw-r--r-- | include/target/target_core_fabric.h | 11 |
3 files changed, 26 insertions, 60 deletions
diff --git a/include/target/target_core_backend.h b/include/target/target_core_backend.h index 8c9ff1b1439..2d7db85e93a 100644 --- a/include/target/target_core_backend.h +++ b/include/target/target_core_backend.h @@ -23,12 +23,11 @@ struct se_subsystem_api { struct se_device *(*create_virtdevice)(struct se_hba *, struct se_subsystem_dev *, void *); void (*free_device)(void *); - int (*transport_complete)(struct se_task *task); - struct se_task *(*alloc_task)(unsigned char *cdb); - int (*do_task)(struct se_task *); + int (*transport_complete)(struct se_cmd *cmd, struct scatterlist *); + int (*execute_cmd)(struct se_cmd *, struct scatterlist *, u32, + enum dma_data_direction); int (*do_discard)(struct se_device *, sector_t, u32); - void (*do_sync_cache)(struct se_task *); - void (*free_task)(struct se_task *); + void (*do_sync_cache)(struct se_cmd *); ssize_t (*check_configfs_dev_params)(struct se_hba *, struct se_subsystem_dev *); ssize_t (*set_configfs_dev_params)(struct se_hba *, @@ -38,7 +37,7 @@ struct se_subsystem_api { u32 (*get_device_rev)(struct se_device *); u32 (*get_device_type)(struct se_device *); sector_t (*get_blocks)(struct se_device *); - unsigned char *(*get_sense_buffer)(struct se_task *); + unsigned char *(*get_sense_buffer)(struct se_cmd *); }; int transport_subsystem_register(struct se_subsystem_api *); @@ -48,10 +47,7 @@ struct se_device *transport_add_device_to_core_hba(struct se_hba *, struct se_subsystem_api *, struct se_subsystem_dev *, u32, void *, struct se_dev_limits *, const char *, const char *); -void transport_complete_sync_cache(struct se_cmd *, int); -void transport_complete_task(struct se_task *, int); - -void target_get_task_cdb(struct se_task *, unsigned char *); +void target_complete_cmd(struct se_cmd *, u8); void transport_set_vpd_proto_id(struct t10_vpd *, unsigned char *); int transport_set_vpd_assoc(struct t10_vpd *, unsigned char *); diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h index aaccc5f5fc9..dc35d8660aa 100644 --- a/include/target/target_core_base.h +++ b/include/target/target_core_base.h @@ -73,9 +73,8 @@ /* * struct se_device->dev_flags */ -#define DF_READ_ONLY 0x00000001 -#define DF_SPC2_RESERVATIONS 0x00000002 -#define DF_SPC2_RESERVATIONS_WITH_ISID 0x00000004 +#define DF_SPC2_RESERVATIONS 0x00000001 +#define DF_SPC2_RESERVATIONS_WITH_ISID 0x00000002 /* struct se_dev_attrib sanity values */ /* Default max_unmap_lba_count */ @@ -141,14 +140,6 @@ enum transport_tpg_type_table { TRANSPORT_TPG_TYPE_DISCOVERY = 1, }; -/* struct se_task->task_flags */ -enum se_task_flags { - TF_ACTIVE = (1 << 0), - TF_SENT = (1 << 1), - TF_REQUEST_STOP = (1 << 2), - TF_HAS_SENSE = (1 << 3), -}; - /* Special transport agnostic struct se_cmd->t_states */ enum transport_state_table { TRANSPORT_NO_STATE = 0, @@ -234,6 +225,7 @@ enum tcm_sense_reason_table { enum target_sc_flags_table { TARGET_SCF_BIDI_OP = 0x01, TARGET_SCF_ACK_KREF = 0x02, + TARGET_SCF_UNKNOWN_SIZE = 0x04, }; /* fabric independent task management function values */ @@ -338,6 +330,7 @@ struct t10_alua_tg_pt_gp { int tg_pt_gp_alua_access_type; int tg_pt_gp_nonop_delay_msecs; int tg_pt_gp_trans_delay_msecs; + int tg_pt_gp_implict_trans_secs; int tg_pt_gp_pref; int tg_pt_gp_write_metadata; /* Used by struct t10_alua_tg_pt_gp->tg_pt_gp_md_buf_len */ @@ -485,23 +478,6 @@ struct se_queue_obj { wait_queue_head_t thread_wq; }; -struct se_task { - unsigned long long task_lba; - u32 task_sectors; - u32 task_size; - struct se_cmd *task_se_cmd; - struct scatterlist *task_sg; - u32 task_sg_nents; - u16 task_flags; - u8 task_scsi_status; - enum dma_data_direction task_data_direction; - struct list_head t_list; - struct list_head t_execute_list; - struct list_head t_state_list; - bool t_state_active; - struct completion task_stop_comp; -}; - struct se_tmr_req { /* Task Management function to be performed */ u8 function; @@ -538,6 +514,7 @@ struct se_cmd { /* Used to signal cmd->se_tfo->check_release_cmd() usage per cmd */ unsigned check_release:1; unsigned cmd_wait_set:1; + unsigned unknown_data_length:1; /* See se_cmd_flags_table */ u32 se_cmd_flags; u32 se_ordered_id; @@ -565,18 +542,13 @@ struct se_cmd { struct completion cmd_wait_comp; struct kref cmd_kref; struct target_core_fabric_ops *se_tfo; - int (*execute_task)(struct se_task *); + int (*execute_cmd)(struct se_cmd *); void (*transport_complete_callback)(struct se_cmd *); unsigned char *t_task_cdb; unsigned char __t_task_cdb[TCM_MAX_COMMAND_SIZE]; unsigned long long t_task_lba; - u32 t_tasks_sg_chained_no; atomic_t t_fe_count; - atomic_t t_se_count; - atomic_t t_task_cdbs_left; - atomic_t t_task_cdbs_ex_left; - atomic_t t_task_cdbs_sent; unsigned int transport_state; #define CMD_T_ABORTED (1 << 0) #define CMD_T_ACTIVE (1 << 1) @@ -588,11 +560,12 @@ struct se_cmd { #define CMD_T_LUN_STOP (1 << 7) #define CMD_T_LUN_FE_STOP (1 << 8) #define CMD_T_DEV_ACTIVE (1 << 9) +#define CMD_T_REQUEST_STOP (1 << 10) +#define CMD_T_BUSY (1 << 11) spinlock_t t_state_lock; struct completion t_transport_stop_comp; struct completion transport_lun_fe_stop_comp; struct completion transport_lun_stop_comp; - struct scatterlist *t_tasks_sg_chained; struct work_struct work; @@ -602,10 +575,15 @@ struct se_cmd { struct scatterlist *t_bidi_data_sg; unsigned int t_bidi_data_nents; - /* Used for BIDI READ */ - struct list_head t_task_list; - u32 t_task_list_num; + struct list_head execute_list; + struct list_head state_list; + bool state_active; + + /* old task stop completion, consider merging with some of the above */ + struct completion task_stop_comp; + /* backend private data */ + void *priv; }; struct se_ua { @@ -731,7 +709,6 @@ struct se_dev_attrib { u32 hw_block_size; u32 block_size; u32 hw_max_sectors; - u32 max_sectors; u32 fabric_max_sectors; u32 optimal_sectors; u32 hw_queue_depth; @@ -829,8 +806,8 @@ struct se_device { struct task_struct *process_thread; struct work_struct qf_work_queue; struct list_head delayed_cmd_list; - struct list_head execute_task_list; - struct list_head state_task_list; + struct list_head execute_list; + struct list_head state_list; struct list_head qf_cmd_list; /* Pointer to associated SE HBA */ struct se_hba *se_hba; diff --git a/include/target/target_core_fabric.h b/include/target/target_core_fabric.h index 10c69080960..116959933f4 100644 --- a/include/target/target_core_fabric.h +++ b/include/target/target_core_fabric.h @@ -3,12 +3,6 @@ struct target_core_fabric_ops { struct configfs_subsystem *tf_subsys; - /* - * Optional to signal struct se_task->task_sg[] padding entries - * for scatterlist chaining using transport_do_task_sg_link(), - * disabled by default - */ - bool task_sg_chaining; char *(*get_fabric_name)(void); u8 (*get_fabric_proto_ident)(struct se_portal_group *); char *(*tpg_get_wwn)(struct se_portal_group *); @@ -102,7 +96,7 @@ void __transport_register_session(struct se_portal_group *, void transport_register_session(struct se_portal_group *, struct se_node_acl *, struct se_session *, void *); void target_get_session(struct se_session *); -int target_put_session(struct se_session *); +void target_put_session(struct se_session *); void transport_free_session(struct se_session *); void target_put_nacl(struct se_node_acl *); void transport_deregister_session_configfs(struct se_session *); @@ -112,7 +106,7 @@ void transport_deregister_session(struct se_session *); void transport_init_se_cmd(struct se_cmd *, struct target_core_fabric_ops *, struct se_session *, u32, int, int, unsigned char *); int transport_lookup_cmd_lun(struct se_cmd *, u32); -int transport_generic_allocate_tasks(struct se_cmd *, unsigned char *); +int target_setup_cmd_from_cdb(struct se_cmd *, unsigned char *); void target_submit_cmd(struct se_cmd *, struct se_session *, unsigned char *, unsigned char *, u32, u32, int, int, int); int target_submit_tmr(struct se_cmd *se_cmd, struct se_session *se_sess, @@ -124,7 +118,6 @@ int transport_generic_handle_cdb_map(struct se_cmd *); int transport_generic_handle_data(struct se_cmd *); int transport_generic_map_mem_to_cmd(struct se_cmd *cmd, struct scatterlist *, u32, struct scatterlist *, u32); -void transport_do_task_sg_chain(struct se_cmd *); int transport_generic_new_cmd(struct se_cmd *); void transport_generic_process_write(struct se_cmd *); |