diff options
author | Ingo Molnar <mingo@elte.hu> | 2012-02-28 09:26:07 (GMT) |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2012-02-28 09:27:36 (GMT) |
commit | 458ce2910aa83d8a2cafb489d727f7da839e73c6 (patch) | |
tree | 28e088137eb068e5620f17eaf0ca19d1562006ed /include/target | |
parent | 69466466ce889cd2cbc8cda9ff1c6083f48cc7f9 (diff) | |
parent | 586c6e7013c8cbb8c91aaa6568ec349b1dc2c691 (diff) | |
download | linux-fsl-qoriq-458ce2910aa83d8a2cafb489d727f7da839e73c6.tar.xz |
Merge branch 'linus' into x86/asm
Sync up the latest NMI fixes.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/target')
-rw-r--r-- | include/target/target_core_backend.h | 65 | ||||
-rw-r--r-- | include/target/target_core_base.h | 170 | ||||
-rw-r--r-- | include/target/target_core_device.h | 63 | ||||
-rw-r--r-- | include/target/target_core_fabric.h (renamed from include/target/target_core_fabric_ops.h) | 94 | ||||
-rw-r--r-- | include/target/target_core_fabric_lib.h | 28 | ||||
-rw-r--r-- | include/target/target_core_tmr.h | 35 | ||||
-rw-r--r-- | include/target/target_core_tpg.h | 35 | ||||
-rw-r--r-- | include/target/target_core_transport.h | 287 |
8 files changed, 286 insertions, 491 deletions
diff --git a/include/target/target_core_backend.h b/include/target/target_core_backend.h new file mode 100644 index 0000000..e5e6ff9 --- /dev/null +++ b/include/target/target_core_backend.h @@ -0,0 +1,65 @@ +#ifndef TARGET_CORE_BACKEND_H +#define TARGET_CORE_BACKEND_H + +#define TRANSPORT_PLUGIN_PHBA_PDEV 1 +#define TRANSPORT_PLUGIN_VHBA_PDEV 2 +#define TRANSPORT_PLUGIN_VHBA_VDEV 3 + +struct se_subsystem_api { + struct list_head sub_api_list; + + char name[16]; + struct module *owner; + + u8 transport_type; + + unsigned int fua_write_emulated : 1; + unsigned int write_cache_emulated : 1; + + int (*attach_hba)(struct se_hba *, u32); + void (*detach_hba)(struct se_hba *); + int (*pmode_enable_hba)(struct se_hba *, unsigned long); + void *(*allocate_virtdevice)(struct se_hba *, const char *); + 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 (*do_discard)(struct se_device *, sector_t, u32); + void (*do_sync_cache)(struct se_task *); + void (*free_task)(struct se_task *); + ssize_t (*check_configfs_dev_params)(struct se_hba *, + struct se_subsystem_dev *); + ssize_t (*set_configfs_dev_params)(struct se_hba *, + struct se_subsystem_dev *, const char *, ssize_t); + ssize_t (*show_configfs_dev_params)(struct se_hba *, + struct se_subsystem_dev *, char *); + 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 *); +}; + +int transport_subsystem_register(struct se_subsystem_api *); +void transport_subsystem_release(struct se_subsystem_api *); + +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 transport_set_vpd_proto_id(struct t10_vpd *, unsigned char *); +int transport_set_vpd_assoc(struct t10_vpd *, unsigned char *); +int transport_set_vpd_ident_type(struct t10_vpd *, unsigned char *); +int transport_set_vpd_ident(struct t10_vpd *, unsigned char *); + +/* core helpers also used by command snooping in pscsi */ +void *transport_kmap_data_sg(struct se_cmd *); +void transport_kunmap_data_sg(struct se_cmd *); + +#endif /* TARGET_CORE_BACKEND_H */ diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h index 6873c7d..dc4e345 100644 --- a/include/target/target_core_base.h +++ b/include/target/target_core_base.h @@ -10,6 +10,7 @@ #include <net/tcp.h> #define TARGET_CORE_MOD_VERSION "v4.1.0-rc1-ml" +#define TARGET_CORE_VERSION TARGET_CORE_MOD_VERSION /* Maximum Number of LUNs per Target Portal Group */ /* Don't raise above 511 or REPORT_LUNS needs to handle >1 page */ @@ -34,6 +35,7 @@ #define TRANSPORT_SENSE_BUFFER SCSI_SENSE_BUFFERSIZE /* Used by transport_send_check_condition_and_sense() */ #define SPC_SENSE_KEY_OFFSET 2 +#define SPC_ADD_SENSE_LEN_OFFSET 7 #define SPC_ASC_KEY_OFFSET 12 #define SPC_ASCQ_KEY_OFFSET 13 #define TRANSPORT_IQN_LEN 224 @@ -53,6 +55,72 @@ /* Used by transport_get_inquiry_vpd_device_ident() */ #define INQUIRY_VPD_DEVICE_IDENTIFIER_LEN 254 +/* Attempts before moving from SHORT to LONG */ +#define PYX_TRANSPORT_WINDOW_CLOSED_THRESHOLD 3 +#define PYX_TRANSPORT_WINDOW_CLOSED_WAIT_SHORT 3 /* In milliseconds */ +#define PYX_TRANSPORT_WINDOW_CLOSED_WAIT_LONG 10 /* In milliseconds */ + +#define PYX_TRANSPORT_STATUS_INTERVAL 5 /* In seconds */ + +/* + * struct se_subsystem_dev->su_dev_flags +*/ +#define SDF_FIRMWARE_VPD_UNIT_SERIAL 0x00000001 +#define SDF_EMULATED_VPD_UNIT_SERIAL 0x00000002 +#define SDF_USING_UDEV_PATH 0x00000004 +#define SDF_USING_ALIAS 0x00000008 + +/* + * struct se_device->dev_flags + */ +#define DF_READ_ONLY 0x00000001 +#define DF_SPC2_RESERVATIONS 0x00000002 +#define DF_SPC2_RESERVATIONS_WITH_ISID 0x00000004 + +/* struct se_dev_attrib sanity values */ +/* Default max_unmap_lba_count */ +#define DA_MAX_UNMAP_LBA_COUNT 0 +/* Default max_unmap_block_desc_count */ +#define DA_MAX_UNMAP_BLOCK_DESC_COUNT 0 +/* Default unmap_granularity */ +#define DA_UNMAP_GRANULARITY_DEFAULT 0 +/* Default unmap_granularity_alignment */ +#define DA_UNMAP_GRANULARITY_ALIGNMENT_DEFAULT 0 +/* Emulation for Direct Page Out */ +#define DA_EMULATE_DPO 0 +/* Emulation for Forced Unit Access WRITEs */ +#define DA_EMULATE_FUA_WRITE 1 +/* Emulation for Forced Unit Access READs */ +#define DA_EMULATE_FUA_READ 0 +/* Emulation for WriteCache and SYNCHRONIZE_CACHE */ +#define DA_EMULATE_WRITE_CACHE 0 +/* Emulation for UNIT ATTENTION Interlock Control */ +#define DA_EMULATE_UA_INTLLCK_CTRL 0 +/* Emulation for TASK_ABORTED status (TAS) by default */ +#define DA_EMULATE_TAS 1 +/* Emulation for Thin Provisioning UNMAP using block/blk-lib.c:blkdev_issue_discard() */ +#define DA_EMULATE_TPU 0 +/* + * Emulation for Thin Provisioning WRITE_SAME w/ UNMAP=1 bit using + * block/blk-lib.c:blkdev_issue_discard() + */ +#define DA_EMULATE_TPWS 0 +/* No Emulation for PSCSI by default */ +#define DA_EMULATE_RESERVATIONS 0 +/* No Emulation for PSCSI by default */ +#define DA_EMULATE_ALUA 0 +/* Enforce SCSI Initiator Port TransportID with 'ISID' for PR */ +#define DA_ENFORCE_PR_ISIDS 1 +#define DA_STATUS_MAX_SECTORS_MIN 16 +#define DA_STATUS_MAX_SECTORS_MAX 8192 +/* By default don't report non-rotating (solid state) medium */ +#define DA_IS_NONROT 0 +/* Queue Algorithm Modifier default for restricted reordering in control mode page */ +#define DA_EMULATE_REST_REORD 0 + +#define SE_MODE_PAGE_BUF 512 + + /* struct se_hba->hba_flags */ enum hba_flags_table { HBA_FLAGS_INTERNAL_USE = 0x01, @@ -71,11 +139,12 @@ enum transport_tpg_type_table { TRANSPORT_TPG_TYPE_DISCOVERY = 1, }; -/* Used for generate timer flags */ +/* 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 */ @@ -158,9 +227,38 @@ enum tcm_sense_reason_table { TCM_RESERVATION_CONFLICT = 0x10, }; +enum target_sc_flags_table { + TARGET_SCF_BIDI_OP = 0x01, + TARGET_SCF_ACK_KREF = 0x02, +}; + +/* fabric independent task management function values */ +enum tcm_tmreq_table { + TMR_ABORT_TASK = 1, + TMR_ABORT_TASK_SET = 2, + TMR_CLEAR_ACA = 3, + TMR_CLEAR_TASK_SET = 4, + TMR_LUN_RESET = 5, + TMR_TARGET_WARM_RESET = 6, + TMR_TARGET_COLD_RESET = 7, + TMR_FABRIC_TMR = 255, +}; + +/* fabric independent task management response values */ +enum tcm_tmrsp_table { + TMR_FUNCTION_COMPLETE = 0, + TMR_TASK_DOES_NOT_EXIST = 1, + TMR_LUN_DOES_NOT_EXIST = 2, + TMR_TASK_STILL_ALLEGIANT = 3, + TMR_TASK_FAILOVER_NOT_SUPPORTED = 4, + TMR_TASK_MGMT_FUNCTION_NOT_SUPPORTED = 5, + TMR_FUNCTION_AUTHORIZATION_FAILED = 6, + TMR_FUNCTION_REJECTED = 255, +}; + struct se_obj { atomic_t obj_access_count; -} ____cacheline_aligned; +}; /* * Used by TCM Core internally to signal if ALUA emulation is enabled or @@ -207,7 +305,7 @@ struct t10_alua { struct config_group alua_tg_pt_gps_group; int (*alua_state_check)(struct se_cmd *, unsigned char *, u8 *); struct list_head tg_pt_gps_list; -} ____cacheline_aligned; +}; struct t10_alua_lu_gp { u16 lu_gp_id; @@ -218,7 +316,7 @@ struct t10_alua_lu_gp { struct config_group lu_gp_group; struct list_head lu_gp_node; struct list_head lu_gp_mem_list; -} ____cacheline_aligned; +}; struct t10_alua_lu_gp_member { bool lu_gp_assoc; @@ -227,7 +325,7 @@ struct t10_alua_lu_gp_member { struct t10_alua_lu_gp *lu_gp; struct se_device *lu_gp_mem_dev; struct list_head lu_gp_mem_list; -} ____cacheline_aligned; +}; struct t10_alua_tg_pt_gp { u16 tg_pt_gp_id; @@ -250,7 +348,7 @@ struct t10_alua_tg_pt_gp { struct config_group tg_pt_gp_group; struct list_head tg_pt_gp_list; struct list_head tg_pt_gp_mem_list; -} ____cacheline_aligned; +}; struct t10_alua_tg_pt_gp_member { bool tg_pt_gp_assoc; @@ -259,7 +357,7 @@ struct t10_alua_tg_pt_gp_member { struct t10_alua_tg_pt_gp *tg_pt_gp; struct se_port *tg_pt; struct list_head tg_pt_gp_mem_list; -} ____cacheline_aligned; +}; struct t10_vpd { unsigned char device_identifier[INQUIRY_VPD_DEVICE_IDENTIFIER_LEN]; @@ -269,7 +367,7 @@ struct t10_vpd { u32 association; u32 device_identifier_type; struct list_head vpd_list; -} ____cacheline_aligned; +}; struct t10_wwn { char vendor[8]; @@ -280,7 +378,7 @@ struct t10_wwn { struct se_subsystem_dev *t10_sub_dev; struct config_group t10_wwn_group; struct list_head t10_vpd_list; -} ____cacheline_aligned; +}; /* @@ -333,7 +431,7 @@ struct t10_pr_registration { struct list_head pr_reg_aptpl_list; struct list_head pr_reg_atp_list; struct list_head pr_reg_atp_mem_list; -} ____cacheline_aligned; +}; /* * This set of function pointer ops is set based upon SPC3_PERSISTENT_RESERVATIONS, @@ -374,20 +472,20 @@ struct t10_reservation { struct list_head registration_list; struct list_head aptpl_reg_list; struct t10_reservation_ops pr_ops; -} ____cacheline_aligned; +}; struct se_queue_req { int state; struct se_cmd *cmd; struct list_head qr_list; -} ____cacheline_aligned; +}; struct se_queue_obj { atomic_t queue_cnt; spinlock_t cmd_queue_lock; struct list_head qobj_list; wait_queue_head_t thread_wq; -} ____cacheline_aligned; +}; struct se_task { unsigned long long task_lba; @@ -397,16 +495,14 @@ struct se_task { struct scatterlist *task_sg; u32 task_sg_nents; u16 task_flags; - u8 task_sense; u8 task_scsi_status; - int task_error_status; enum dma_data_direction task_data_direction; - atomic_t task_state_active; 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; -} ____cacheline_aligned; +}; struct se_cmd { /* SAM response code being sent to initiator */ @@ -451,6 +547,7 @@ struct se_cmd { struct list_head se_queue_node; struct list_head se_cmd_list; struct completion cmd_wait_comp; + struct kref cmd_kref; struct target_core_fabric_ops *se_tfo; int (*execute_task)(struct se_task *); void (*transport_complete_callback)(struct se_cmd *); @@ -485,6 +582,7 @@ struct se_cmd { struct scatterlist *t_data_sg; unsigned int t_data_nents; + void *t_data_vmap; struct scatterlist *t_bidi_data_sg; unsigned int t_bidi_data_nents; @@ -492,7 +590,7 @@ struct se_cmd { struct list_head t_task_list; u32 t_task_list_num; -} ____cacheline_aligned; +}; struct se_tmr_req { /* Task Management function to be preformed */ @@ -510,7 +608,7 @@ struct se_tmr_req { struct se_device *tmr_dev; struct se_lun *tmr_lun; struct list_head tmr_list; -} ____cacheline_aligned; +}; struct se_ua { u8 ua_asc; @@ -518,7 +616,7 @@ struct se_ua { struct se_node_acl *ua_nacl; struct list_head ua_dev_list; struct list_head ua_nacl_list; -} ____cacheline_aligned; +}; struct se_node_acl { char initiatorname[TRANSPORT_IQN_LEN]; @@ -545,7 +643,7 @@ struct se_node_acl { struct config_group *acl_default_groups[5]; struct list_head acl_list; struct list_head acl_sess_list; -} ____cacheline_aligned; +}; struct se_session { unsigned sess_tearing_down:1; @@ -558,7 +656,7 @@ struct se_session { struct list_head sess_cmd_list; struct list_head sess_wait_list; spinlock_t sess_cmd_lock; -} ____cacheline_aligned; +}; struct se_device; struct se_transform_info; @@ -578,7 +676,7 @@ struct se_lun_acl { struct list_head lacl_list; struct config_group se_lun_group; struct se_ml_stat_grps ml_stat_grps; -} ____cacheline_aligned; +}; struct se_dev_entry { bool def_pr_registered; @@ -603,7 +701,7 @@ struct se_dev_entry { struct se_lun *se_lun; struct list_head alua_port_list; struct list_head ua_list; -} ____cacheline_aligned; +}; struct se_dev_limits { /* Max supported HW queue depth */ @@ -612,7 +710,7 @@ struct se_dev_limits { u32 queue_depth; /* From include/linux/blkdev.h for the other HW/SW limits. */ struct queue_limits limits; -} ____cacheline_aligned; +}; struct se_dev_attrib { int emulate_dpo; @@ -641,7 +739,7 @@ struct se_dev_attrib { u32 unmap_granularity_alignment; struct se_subsystem_dev *da_sub_dev; struct config_group da_group; -} ____cacheline_aligned; +}; struct se_dev_stat_grps { struct config_group stat_group; @@ -674,7 +772,7 @@ struct se_subsystem_dev { struct config_group se_dev_pr_group; /* For target_core_stat.c groups */ struct se_dev_stat_grps dev_stat_grps; -} ____cacheline_aligned; +}; struct se_device { /* RELATIVE TARGET PORT IDENTIFER Counter */ @@ -685,7 +783,6 @@ struct se_device { u32 dev_port_count; /* See transport_device_status_table */ u32 dev_status; - u32 dev_tcq_window_closed; /* Physical device queue depth */ u32 queue_depth; /* Used for SPC-2 reservations enforce of ISIDs */ @@ -702,7 +799,6 @@ struct se_device { spinlock_t stats_lock; /* Active commands on this virtual SE device */ atomic_t simple_cmds; - atomic_t depth_left; atomic_t dev_ordered_id; atomic_t execute_tasks; atomic_t dev_ordered_sync; @@ -740,7 +836,7 @@ struct se_device { struct se_subsystem_api *transport; /* Linked list for struct se_hba struct se_device list */ struct list_head dev_list; -} ____cacheline_aligned; +}; struct se_hba { u16 hba_tpgt; @@ -759,7 +855,7 @@ struct se_hba { struct config_group hba_group; struct mutex hba_access_mutex; struct se_subsystem_api *transport; -} ____cacheline_aligned; +}; struct se_port_stat_grps { struct config_group stat_group; @@ -785,13 +881,13 @@ struct se_lun { struct se_port *lun_sep; struct config_group lun_group; struct se_port_stat_grps port_stat_grps; -} ____cacheline_aligned; +}; struct scsi_port_stats { u64 cmd_pdus; u64 tx_data_octets; u64 rx_data_octets; -} ____cacheline_aligned; +}; struct se_port { /* RELATIVE TARGET PORT IDENTIFER */ @@ -811,12 +907,12 @@ struct se_port { struct se_portal_group *sep_tpg; struct list_head sep_alua_list; struct list_head sep_list; -} ____cacheline_aligned; +}; struct se_tpg_np { struct se_portal_group *tpg_np_parent; struct config_group tpg_np_group; -} ____cacheline_aligned; +}; struct se_portal_group { /* Type of target portal group, see transport_tpg_type_table */ @@ -849,13 +945,13 @@ struct se_portal_group { struct config_group tpg_acl_group; struct config_group tpg_attrib_group; struct config_group tpg_param_group; -} ____cacheline_aligned; +}; struct se_wwn { struct target_fabric_configfs *wwn_tf; struct config_group wwn_group; struct config_group *wwn_default_groups[2]; struct config_group fabric_stat_group; -} ____cacheline_aligned; +}; #endif /* TARGET_CORE_BASE_H */ diff --git a/include/target/target_core_device.h b/include/target/target_core_device.h deleted file mode 100644 index 2be31ff..0000000 --- a/include/target/target_core_device.h +++ /dev/null @@ -1,63 +0,0 @@ -#ifndef TARGET_CORE_DEVICE_H -#define TARGET_CORE_DEVICE_H - -extern int transport_lookup_cmd_lun(struct se_cmd *, u32); -extern int transport_lookup_tmr_lun(struct se_cmd *, u32); -extern struct se_dev_entry *core_get_se_deve_from_rtpi( - struct se_node_acl *, u16); -extern int core_free_device_list_for_node(struct se_node_acl *, - struct se_portal_group *); -extern void core_dec_lacl_count(struct se_node_acl *, struct se_cmd *); -extern void core_update_device_list_access(u32, u32, struct se_node_acl *); -extern int core_update_device_list_for_node(struct se_lun *, struct se_lun_acl *, u32, - u32, struct se_node_acl *, - struct se_portal_group *, int); -extern void core_clear_lun_from_tpg(struct se_lun *, struct se_portal_group *); -extern int core_dev_export(struct se_device *, struct se_portal_group *, - struct se_lun *); -extern void core_dev_unexport(struct se_device *, struct se_portal_group *, - struct se_lun *); -extern int target_report_luns(struct se_task *); -extern void se_release_device_for_hba(struct se_device *); -extern void se_release_vpd_for_dev(struct se_device *); -extern void se_clear_dev_ports(struct se_device *); -extern int se_free_virtual_device(struct se_device *, struct se_hba *); -extern int se_dev_check_online(struct se_device *); -extern int se_dev_check_shutdown(struct se_device *); -extern void se_dev_set_default_attribs(struct se_device *, struct se_dev_limits *); -extern int se_dev_set_task_timeout(struct se_device *, u32); -extern int se_dev_set_max_unmap_lba_count(struct se_device *, u32); -extern int se_dev_set_max_unmap_block_desc_count(struct se_device *, u32); -extern int se_dev_set_unmap_granularity(struct se_device *, u32); -extern int se_dev_set_unmap_granularity_alignment(struct se_device *, u32); -extern int se_dev_set_emulate_dpo(struct se_device *, int); -extern int se_dev_set_emulate_fua_write(struct se_device *, int); -extern int se_dev_set_emulate_fua_read(struct se_device *, int); -extern int se_dev_set_emulate_write_cache(struct se_device *, int); -extern int se_dev_set_emulate_ua_intlck_ctrl(struct se_device *, int); -extern int se_dev_set_emulate_tas(struct se_device *, int); -extern int se_dev_set_emulate_tpu(struct se_device *, int); -extern int se_dev_set_emulate_tpws(struct se_device *, int); -extern int se_dev_set_enforce_pr_isids(struct se_device *, int); -extern int se_dev_set_is_nonrot(struct se_device *, int); -extern int se_dev_set_emulate_rest_reord(struct se_device *dev, int); -extern int se_dev_set_queue_depth(struct se_device *, u32); -extern int se_dev_set_max_sectors(struct se_device *, u32); -extern int se_dev_set_optimal_sectors(struct se_device *, u32); -extern int se_dev_set_block_size(struct se_device *, u32); -extern struct se_lun *core_dev_add_lun(struct se_portal_group *, struct se_hba *, - struct se_device *, u32); -extern int core_dev_del_lun(struct se_portal_group *, u32); -extern struct se_lun *core_get_lun_from_tpg(struct se_portal_group *, u32); -extern struct se_lun_acl *core_dev_init_initiator_node_lun_acl(struct se_portal_group *, - u32, char *, int *); -extern int core_dev_add_initiator_node_lun_acl(struct se_portal_group *, - struct se_lun_acl *, u32, u32); -extern int core_dev_del_initiator_node_lun_acl(struct se_portal_group *, - struct se_lun *, struct se_lun_acl *); -extern void core_dev_free_initiator_node_lun_acl(struct se_portal_group *, - struct se_lun_acl *lacl); -extern int core_dev_setup_virtual_lun0(void); -extern void core_dev_release_virtual_lun0(void); - -#endif /* TARGET_CORE_DEVICE_H */ diff --git a/include/target/target_core_fabric_ops.h b/include/target/target_core_fabric.h index 0256825..d36fad3 100644 --- a/include/target/target_core_fabric_ops.h +++ b/include/target/target_core_fabric.h @@ -1,5 +1,5 @@ -/* Defined in target_core_configfs.h */ -struct target_fabric_configfs; +#ifndef TARGET_CORE_FABRIC_H +#define TARGET_CORE_FABRIC_H struct target_core_fabric_ops { struct configfs_subsystem *tf_subsys; @@ -52,10 +52,6 @@ struct target_core_fabric_ops { * Returning 0 will signal a descriptor has not been released. */ int (*check_stop_free)(struct se_cmd *); - /* - * Optional check for active I/O shutdown - */ - int (*check_release_cmd)(struct se_cmd *); void (*release_cmd)(struct se_cmd *); /* * Called with spin_lock_bh(struct se_portal_group->session_lock held. @@ -103,3 +99,89 @@ struct target_core_fabric_ops { struct config_group *, const char *); void (*fabric_drop_nodeacl)(struct se_node_acl *); }; + +struct se_session *transport_init_session(void); +void __transport_register_session(struct se_portal_group *, + struct se_node_acl *, struct se_session *, void *); +void transport_register_session(struct se_portal_group *, + struct se_node_acl *, struct se_session *, void *); +void transport_free_session(struct se_session *); +void transport_deregister_session_configfs(struct se_session *); +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 *); +void target_submit_cmd(struct se_cmd *, struct se_session *, unsigned char *, + unsigned char *, u32, u32, int, int, int); +int transport_handle_cdb_direct(struct se_cmd *); +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 *); + +void transport_generic_free_cmd(struct se_cmd *, int); + +bool transport_wait_for_tasks(struct se_cmd *); +int transport_check_aborted_status(struct se_cmd *, int); +int transport_send_check_condition_and_sense(struct se_cmd *, u8, int); + +void target_get_sess_cmd(struct se_session *, struct se_cmd *, bool); +int target_put_sess_cmd(struct se_session *, struct se_cmd *); +void target_splice_sess_cmd_list(struct se_session *); +void target_wait_for_sess_cmds(struct se_session *, int); + +int core_alua_check_nonop_delay(struct se_cmd *); + +struct se_tmr_req *core_tmr_alloc_req(struct se_cmd *, void *, u8, gfp_t); +void core_tmr_release_req(struct se_tmr_req *); +int transport_generic_handle_tmr(struct se_cmd *); +int transport_lookup_tmr_lun(struct se_cmd *, u32); + +struct se_node_acl *core_tpg_check_initiator_node_acl(struct se_portal_group *, + unsigned char *); +void core_tpg_clear_object_luns(struct se_portal_group *); +struct se_node_acl *core_tpg_add_initiator_node_acl(struct se_portal_group *, + struct se_node_acl *, const char *, u32); +int core_tpg_del_initiator_node_acl(struct se_portal_group *, + struct se_node_acl *, int); +int core_tpg_set_initiator_node_queue_depth(struct se_portal_group *, + unsigned char *, u32, int); +int core_tpg_register(struct target_core_fabric_ops *, struct se_wwn *, + struct se_portal_group *, void *, int); +int core_tpg_deregister(struct se_portal_group *); + +/* SAS helpers */ +u8 sas_get_fabric_proto_ident(struct se_portal_group *); +u32 sas_get_pr_transport_id(struct se_portal_group *, struct se_node_acl *, + struct t10_pr_registration *, int *, unsigned char *); +u32 sas_get_pr_transport_id_len(struct se_portal_group *, struct se_node_acl *, + struct t10_pr_registration *, int *); +char *sas_parse_pr_out_transport_id(struct se_portal_group *, const char *, + u32 *, char **); + +/* FC helpers */ +u8 fc_get_fabric_proto_ident(struct se_portal_group *); +u32 fc_get_pr_transport_id(struct se_portal_group *, struct se_node_acl *, + struct t10_pr_registration *, int *, unsigned char *); +u32 fc_get_pr_transport_id_len(struct se_portal_group *, struct se_node_acl *, + struct t10_pr_registration *, int *); +char *fc_parse_pr_out_transport_id(struct se_portal_group *, const char *, + u32 *, char **); + +/* iSCSI helpers */ +u8 iscsi_get_fabric_proto_ident(struct se_portal_group *); +u32 iscsi_get_pr_transport_id(struct se_portal_group *, struct se_node_acl *, + struct t10_pr_registration *, int *, unsigned char *); +u32 iscsi_get_pr_transport_id_len(struct se_portal_group *, struct se_node_acl *, + struct t10_pr_registration *, int *); +char *iscsi_parse_pr_out_transport_id(struct se_portal_group *, const char *, + u32 *, char **); + +#endif /* TARGET_CORE_FABRICH */ diff --git a/include/target/target_core_fabric_lib.h b/include/target/target_core_fabric_lib.h deleted file mode 100644 index c2f8d0e..0000000 --- a/include/target/target_core_fabric_lib.h +++ /dev/null @@ -1,28 +0,0 @@ -#ifndef TARGET_CORE_FABRIC_LIB_H -#define TARGET_CORE_FABRIC_LIB_H - -extern u8 sas_get_fabric_proto_ident(struct se_portal_group *); -extern u32 sas_get_pr_transport_id(struct se_portal_group *, struct se_node_acl *, - struct t10_pr_registration *, int *, unsigned char *); -extern u32 sas_get_pr_transport_id_len(struct se_portal_group *, struct se_node_acl *, - struct t10_pr_registration *, int *); -extern char *sas_parse_pr_out_transport_id(struct se_portal_group *, - const char *, u32 *, char **); - -extern u8 fc_get_fabric_proto_ident(struct se_portal_group *); -extern u32 fc_get_pr_transport_id(struct se_portal_group *, struct se_node_acl *, - struct t10_pr_registration *, int *, unsigned char *); -extern u32 fc_get_pr_transport_id_len(struct se_portal_group *, struct se_node_acl *, - struct t10_pr_registration *, int *); -extern char *fc_parse_pr_out_transport_id(struct se_portal_group *, - const char *, u32 *, char **); - -extern u8 iscsi_get_fabric_proto_ident(struct se_portal_group *); -extern u32 iscsi_get_pr_transport_id(struct se_portal_group *, struct se_node_acl *, - struct t10_pr_registration *, int *, unsigned char *); -extern u32 iscsi_get_pr_transport_id_len(struct se_portal_group *, struct se_node_acl *, - struct t10_pr_registration *, int *); -extern char *iscsi_parse_pr_out_transport_id(struct se_portal_group *, - const char *, u32 *, char **); - -#endif /* TARGET_CORE_FABRIC_LIB_H */ diff --git a/include/target/target_core_tmr.h b/include/target/target_core_tmr.h deleted file mode 100644 index d5876e1..0000000 --- a/include/target/target_core_tmr.h +++ /dev/null @@ -1,35 +0,0 @@ -#ifndef TARGET_CORE_TMR_H -#define TARGET_CORE_TMR_H - -/* fabric independent task management function values */ -enum tcm_tmreq_table { - TMR_ABORT_TASK = 1, - TMR_ABORT_TASK_SET = 2, - TMR_CLEAR_ACA = 3, - TMR_CLEAR_TASK_SET = 4, - TMR_LUN_RESET = 5, - TMR_TARGET_WARM_RESET = 6, - TMR_TARGET_COLD_RESET = 7, - TMR_FABRIC_TMR = 255, -}; - -/* fabric independent task management response values */ -enum tcm_tmrsp_table { - TMR_FUNCTION_COMPLETE = 0, - TMR_TASK_DOES_NOT_EXIST = 1, - TMR_LUN_DOES_NOT_EXIST = 2, - TMR_TASK_STILL_ALLEGIANT = 3, - TMR_TASK_FAILOVER_NOT_SUPPORTED = 4, - TMR_TASK_MGMT_FUNCTION_NOT_SUPPORTED = 5, - TMR_FUNCTION_AUTHORIZATION_FAILED = 6, - TMR_FUNCTION_REJECTED = 255, -}; - -extern struct kmem_cache *se_tmr_req_cache; - -extern struct se_tmr_req *core_tmr_alloc_req(struct se_cmd *, void *, u8, gfp_t); -extern void core_tmr_release_req(struct se_tmr_req *); -extern int core_tmr_lun_reset(struct se_device *, struct se_tmr_req *, - struct list_head *, struct se_cmd *); - -#endif /* TARGET_CORE_TMR_H */ diff --git a/include/target/target_core_tpg.h b/include/target/target_core_tpg.h deleted file mode 100644 index 77e1872..0000000 --- a/include/target/target_core_tpg.h +++ /dev/null @@ -1,35 +0,0 @@ -#ifndef TARGET_CORE_TPG_H -#define TARGET_CORE_TPG_H - -extern struct se_node_acl *__core_tpg_get_initiator_node_acl(struct se_portal_group *tpg, - const char *); -extern struct se_node_acl *core_tpg_get_initiator_node_acl(struct se_portal_group *tpg, - unsigned char *); -extern void core_tpg_add_node_to_devs(struct se_node_acl *, - struct se_portal_group *); -extern struct se_node_acl *core_tpg_check_initiator_node_acl( - struct se_portal_group *, - unsigned char *); -extern void core_tpg_wait_for_nacl_pr_ref(struct se_node_acl *); -extern void core_tpg_wait_for_mib_ref(struct se_node_acl *); -extern void core_tpg_clear_object_luns(struct se_portal_group *); -extern struct se_node_acl *core_tpg_add_initiator_node_acl( - struct se_portal_group *, - struct se_node_acl *, - const char *, u32); -extern int core_tpg_del_initiator_node_acl(struct se_portal_group *, - struct se_node_acl *, int); -extern int core_tpg_set_initiator_node_queue_depth(struct se_portal_group *, - unsigned char *, u32, int); -extern int core_tpg_register(struct target_core_fabric_ops *, - struct se_wwn *, - struct se_portal_group *, void *, - int); -extern int core_tpg_deregister(struct se_portal_group *); -extern struct se_lun *core_tpg_pre_addlun(struct se_portal_group *, u32); -extern int core_tpg_post_addlun(struct se_portal_group *, struct se_lun *, u32, - void *); -extern struct se_lun *core_tpg_pre_dellun(struct se_portal_group *, u32, int *); -extern int core_tpg_post_dellun(struct se_portal_group *, struct se_lun *); - -#endif /* TARGET_CORE_TPG_H */ diff --git a/include/target/target_core_transport.h b/include/target/target_core_transport.h deleted file mode 100644 index dac4f2d..0000000 --- a/include/target/target_core_transport.h +++ /dev/null @@ -1,287 +0,0 @@ -#ifndef TARGET_CORE_TRANSPORT_H -#define TARGET_CORE_TRANSPORT_H - -#define TARGET_CORE_VERSION TARGET_CORE_MOD_VERSION - -/* Attempts before moving from SHORT to LONG */ -#define PYX_TRANSPORT_WINDOW_CLOSED_THRESHOLD 3 -#define PYX_TRANSPORT_WINDOW_CLOSED_WAIT_SHORT 3 /* In milliseconds */ -#define PYX_TRANSPORT_WINDOW_CLOSED_WAIT_LONG 10 /* In milliseconds */ - -#define PYX_TRANSPORT_STATUS_INTERVAL 5 /* In seconds */ - -#define TRANSPORT_PLUGIN_PHBA_PDEV 1 -#define TRANSPORT_PLUGIN_VHBA_PDEV 2 -#define TRANSPORT_PLUGIN_VHBA_VDEV 3 - -/* - * struct se_subsystem_dev->su_dev_flags -*/ -#define SDF_FIRMWARE_VPD_UNIT_SERIAL 0x00000001 -#define SDF_EMULATED_VPD_UNIT_SERIAL 0x00000002 -#define SDF_USING_UDEV_PATH 0x00000004 -#define SDF_USING_ALIAS 0x00000008 - -/* - * struct se_device->dev_flags - */ -#define DF_READ_ONLY 0x00000001 -#define DF_SPC2_RESERVATIONS 0x00000002 -#define DF_SPC2_RESERVATIONS_WITH_ISID 0x00000004 - -/* struct se_dev_attrib sanity values */ -/* Default max_unmap_lba_count */ -#define DA_MAX_UNMAP_LBA_COUNT 0 -/* Default max_unmap_block_desc_count */ -#define DA_MAX_UNMAP_BLOCK_DESC_COUNT 0 -/* Default unmap_granularity */ -#define DA_UNMAP_GRANULARITY_DEFAULT 0 -/* Default unmap_granularity_alignment */ -#define DA_UNMAP_GRANULARITY_ALIGNMENT_DEFAULT 0 -/* Emulation for Direct Page Out */ -#define DA_EMULATE_DPO 0 -/* Emulation for Forced Unit Access WRITEs */ -#define DA_EMULATE_FUA_WRITE 1 -/* Emulation for Forced Unit Access READs */ -#define DA_EMULATE_FUA_READ 0 -/* Emulation for WriteCache and SYNCHRONIZE_CACHE */ -#define DA_EMULATE_WRITE_CACHE 0 -/* Emulation for UNIT ATTENTION Interlock Control */ -#define DA_EMULATE_UA_INTLLCK_CTRL 0 -/* Emulation for TASK_ABORTED status (TAS) by default */ -#define DA_EMULATE_TAS 1 -/* Emulation for Thin Provisioning UNMAP using block/blk-lib.c:blkdev_issue_discard() */ -#define DA_EMULATE_TPU 0 -/* - * Emulation for Thin Provisioning WRITE_SAME w/ UNMAP=1 bit using - * block/blk-lib.c:blkdev_issue_discard() - */ -#define DA_EMULATE_TPWS 0 -/* No Emulation for PSCSI by default */ -#define DA_EMULATE_RESERVATIONS 0 -/* No Emulation for PSCSI by default */ -#define DA_EMULATE_ALUA 0 -/* Enforce SCSI Initiator Port TransportID with 'ISID' for PR */ -#define DA_ENFORCE_PR_ISIDS 1 -#define DA_STATUS_MAX_SECTORS_MIN 16 -#define DA_STATUS_MAX_SECTORS_MAX 8192 -/* By default don't report non-rotating (solid state) medium */ -#define DA_IS_NONROT 0 -/* Queue Algorithm Modifier default for restricted reordering in control mode page */ -#define DA_EMULATE_REST_REORD 0 - -#define SE_MODE_PAGE_BUF 512 - -#define MOD_MAX_SECTORS(ms, bs) (ms % (PAGE_SIZE / bs)) - -struct se_subsystem_api; - -extern int init_se_kmem_caches(void); -extern void release_se_kmem_caches(void); -extern u32 scsi_get_new_index(scsi_index_t); -extern void transport_init_queue_obj(struct se_queue_obj *); -extern void transport_subsystem_check_init(void); -extern int transport_subsystem_register(struct se_subsystem_api *); -extern void transport_subsystem_release(struct se_subsystem_api *); -extern void transport_load_plugins(void); -extern struct se_session *transport_init_session(void); -extern void __transport_register_session(struct se_portal_group *, - struct se_node_acl *, - struct se_session *, void *); -extern void transport_register_session(struct se_portal_group *, - struct se_node_acl *, - struct se_session *, void *); -extern void transport_free_session(struct se_session *); -extern void transport_deregister_session_configfs(struct se_session *); -extern void transport_deregister_session(struct se_session *); -extern void transport_cmd_finish_abort(struct se_cmd *, int); -extern void transport_complete_sync_cache(struct se_cmd *, int); -extern void transport_complete_task(struct se_task *, int); -extern void transport_add_task_to_execute_queue(struct se_task *, - struct se_task *, - struct se_device *); -extern void transport_remove_task_from_execute_queue(struct se_task *, - struct se_device *); -extern void __transport_remove_task_from_execute_queue(struct se_task *, - struct se_device *); -unsigned char *transport_dump_cmd_direction(struct se_cmd *); -extern void transport_dump_dev_state(struct se_device *, char *, int *); -extern void transport_dump_dev_info(struct se_device *, struct se_lun *, - unsigned long long, char *, int *); -extern void transport_dump_vpd_proto_id(struct t10_vpd *, - unsigned char *, int); -extern void transport_set_vpd_proto_id(struct t10_vpd *, unsigned char *); -extern int transport_dump_vpd_assoc(struct t10_vpd *, - unsigned char *, int); -extern int transport_set_vpd_assoc(struct t10_vpd *, unsigned char *); -extern int transport_dump_vpd_ident_type(struct t10_vpd *, - unsigned char *, int); -extern int transport_set_vpd_ident_type(struct t10_vpd *, unsigned char *); -extern int transport_dump_vpd_ident(struct t10_vpd *, - unsigned char *, int); -extern int transport_set_vpd_ident(struct t10_vpd *, unsigned char *); -extern 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 *); -extern void transport_init_se_cmd(struct se_cmd *, - struct target_core_fabric_ops *, - struct se_session *, u32, int, int, - unsigned char *); -void *transport_kmap_first_data_page(struct se_cmd *cmd); -void transport_kunmap_first_data_page(struct se_cmd *cmd); -extern int transport_generic_allocate_tasks(struct se_cmd *, unsigned char *); -extern int transport_handle_cdb_direct(struct se_cmd *); -extern int transport_generic_handle_cdb_map(struct se_cmd *); -extern int transport_generic_handle_data(struct se_cmd *); -extern int transport_generic_handle_tmr(struct se_cmd *); -extern bool target_stop_task(struct se_task *task, unsigned long *flags); -extern int transport_generic_map_mem_to_cmd(struct se_cmd *cmd, struct scatterlist *, u32, - struct scatterlist *, u32); -extern int transport_clear_lun_from_sessions(struct se_lun *); -extern bool transport_wait_for_tasks(struct se_cmd *); -extern int transport_check_aborted_status(struct se_cmd *, int); -extern int transport_send_check_condition_and_sense(struct se_cmd *, u8, int); -extern void transport_send_task_abort(struct se_cmd *); -extern void transport_release_cmd(struct se_cmd *); -extern void transport_generic_free_cmd(struct se_cmd *, int); -extern void target_get_sess_cmd(struct se_session *, struct se_cmd *); -extern int target_put_sess_cmd(struct se_session *, struct se_cmd *); -extern void target_splice_sess_cmd_list(struct se_session *); -extern void target_wait_for_sess_cmds(struct se_session *, int); -extern void transport_generic_wait_for_cmds(struct se_cmd *, int); -extern void transport_do_task_sg_chain(struct se_cmd *); -extern void transport_generic_process_write(struct se_cmd *); -extern int transport_generic_new_cmd(struct se_cmd *); -extern int transport_generic_do_tmr(struct se_cmd *); -/* From target_core_alua.c */ -extern int core_alua_check_nonop_delay(struct se_cmd *); -/* From target_core_cdb.c */ -extern int transport_emulate_control_cdb(struct se_task *); -extern void target_get_task_cdb(struct se_task *task, unsigned char *cdb); - -/* - * Each se_transport_task_t can have N number of possible struct se_task's - * for the storage transport(s) to possibly execute. - * Used primarily for splitting up CDBs that exceed the physical storage - * HBA's maximum sector count per task. - */ -struct se_mem { - struct page *se_page; - u32 se_len; - u32 se_off; - struct list_head se_list; -} ____cacheline_aligned; - -/* - * Each type of disk transport supported MUST have a template defined - * within its .h file. - */ -struct se_subsystem_api { - /* - * The Name. :-) - */ - char name[16]; - /* - * Transport Type. - */ - u8 transport_type; - - unsigned int fua_write_emulated : 1; - unsigned int write_cache_emulated : 1; - - /* - * struct module for struct se_hba references - */ - struct module *owner; - /* - * Used for global se_subsystem_api list_head - */ - struct list_head sub_api_list; - /* - * attach_hba(): - */ - int (*attach_hba)(struct se_hba *, u32); - /* - * detach_hba(): - */ - void (*detach_hba)(struct se_hba *); - /* - * pmode_hba(): Used for TCM/pSCSI subsystem plugin HBA -> - * Linux/SCSI struct Scsi_Host passthrough - */ - int (*pmode_enable_hba)(struct se_hba *, unsigned long); - /* - * allocate_virtdevice(): - */ - void *(*allocate_virtdevice)(struct se_hba *, const char *); - /* - * create_virtdevice(): Only for Virtual HBAs - */ - struct se_device *(*create_virtdevice)(struct se_hba *, - struct se_subsystem_dev *, void *); - /* - * free_device(): - */ - void (*free_device)(void *); - - /* - * transport_complete(): - * - * Use transport_generic_complete() for majority of DAS transport - * drivers. Provided out of convenience. - */ - int (*transport_complete)(struct se_task *task); - struct se_task *(*alloc_task)(unsigned char *cdb); - /* - * do_task(): - */ - int (*do_task)(struct se_task *); - /* - * Used by virtual subsystem plugins IBLOCK and FILEIO to emulate - * UNMAP and WRITE_SAME_* w/ UNMAP=1 <-> Linux/Block Discard - */ - int (*do_discard)(struct se_device *, sector_t, u32); - /* - * Used by virtual subsystem plugins IBLOCK and FILEIO to emulate - * SYNCHRONIZE_CACHE_* <-> Linux/Block blkdev_issue_flush() - */ - void (*do_sync_cache)(struct se_task *); - /* - * free_task(): - */ - void (*free_task)(struct se_task *); - /* - * check_configfs_dev_params(): - */ - ssize_t (*check_configfs_dev_params)(struct se_hba *, struct se_subsystem_dev *); - /* - * set_configfs_dev_params(): - */ - ssize_t (*set_configfs_dev_params)(struct se_hba *, struct se_subsystem_dev *, - const char *, ssize_t); - /* - * show_configfs_dev_params(): - */ - ssize_t (*show_configfs_dev_params)(struct se_hba *, struct se_subsystem_dev *, - char *); - /* - * get_device_rev(): - */ - u32 (*get_device_rev)(struct se_device *); - /* - * get_device_type(): - */ - u32 (*get_device_type)(struct se_device *); - /* - * Get the sector_t from a subsystem backstore.. - */ - sector_t (*get_blocks)(struct se_device *); - /* - * get_sense_buffer(): - */ - unsigned char *(*get_sense_buffer)(struct se_task *); -} ____cacheline_aligned; - -#endif /* TARGET_CORE_TRANSPORT_H */ |