};
/* Used for generate timer flags */
-enum timer_flags_table {
- TF_RUNNING = 0x01,
- TF_STOP = 0x02,
+enum se_task_flags {
+ TF_ACTIVE = (1 << 0),
+ TF_SENT = (1 << 1),
+ TF_REQUEST_STOP = (1 << 2),
};
/* Special transport agnostic struct se_cmd->t_states */
enum transport_state_table {
TRANSPORT_NO_STATE = 0,
TRANSPORT_NEW_CMD = 1,
- TRANSPORT_DEFERRED_CMD = 2,
TRANSPORT_WRITE_PENDING = 3,
TRANSPORT_PROCESS_WRITE = 4,
TRANSPORT_PROCESSING = 5,
- TRANSPORT_COMPLETE_OK = 6,
- TRANSPORT_COMPLETE_FAILURE = 7,
- TRANSPORT_COMPLETE_TIMEOUT = 8,
+ TRANSPORT_COMPLETE = 6,
TRANSPORT_PROCESS_TMR = 9,
- TRANSPORT_TMR_COMPLETE = 10,
TRANSPORT_ISTATE_PROCESSING = 11,
- TRANSPORT_ISTATE_PROCESSED = 12,
- TRANSPORT_KILL = 13,
- TRANSPORT_REMOVE = 14,
- TRANSPORT_FREE = 15,
TRANSPORT_NEW_CMD_MAP = 16,
TRANSPORT_FREE_CMD_INTR = 17,
TRANSPORT_COMPLETE_QF_WP = 18,
+ TRANSPORT_COMPLETE_QF_OK = 19,
};
/* Used for struct se_cmd->se_cmd_flags */
SCF_UNUSED = 0x00100000,
SCF_PASSTHROUGH_SG_TO_MEM_NOALLOC = 0x00400000,
SCF_EMULATE_CDB_ASYNC = 0x01000000,
- SCF_EMULATE_QUEUE_FULL = 0x02000000,
};
/* struct se_dev_entry->lun_flags and struct se_lun->lun_access */
} ____cacheline_aligned;
struct se_task {
- unsigned char task_sense;
- struct scatterlist *task_sg;
- u32 task_sg_nents;
- struct scatterlist *task_sg_bidi;
- u8 task_scsi_status;
- u8 task_flags;
- int task_error_status;
- bool task_padded_sg;
unsigned long long task_lba;
- u32 task_no;
- u32 task_sectors;
- u32 task_size;
+ 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_sense;
+ u8 task_scsi_status;
+ int task_error_status;
enum dma_data_direction task_data_direction;
- struct se_cmd *task_se_cmd;
+ atomic_t task_state_active;
+ struct list_head t_list;
+ struct list_head t_execute_list;
+ struct list_head t_state_list;
struct completion task_stop_comp;
- atomic_t task_active;
- atomic_t task_execute_queue;
- atomic_t task_timeout;
- atomic_t task_sent;
- atomic_t task_stop;
- atomic_t task_state_active;
- struct timer_list task_timer;
- struct list_head t_list;
- struct list_head t_execute_list;
- struct list_head t_state_list;
} ____cacheline_aligned;
struct se_cmd {
int sam_task_attr;
/* Transport protocol dependent state, see transport_state_table */
enum transport_state_table t_state;
- /* Transport protocol dependent state for out of order CmdSNs */
- int deferred_t_state;
/* Transport specific error status */
int transport_error_status;
/* See se_cmd_flags_table */
u32 orig_fe_lun;
/* Persistent Reservation key */
u64 pr_res_key;
- atomic_t transport_sent;
/* Used for sense data */
void *sense_buffer;
struct list_head se_delayed_node;
struct list_head se_queue_node;
struct target_core_fabric_ops *se_tfo;
int (*transport_emulate_cdb)(struct se_cmd *);
- void (*transport_split_cdb)(unsigned long long, u32, unsigned char *);
void (*transport_complete_callback)(struct se_cmd *);
- int (*transport_qf_callback)(struct se_cmd *);
unsigned char *t_task_cdb;
unsigned char __t_task_cdb[TCM_MAX_COMMAND_SIZE];
atomic_t t_se_count;
atomic_t t_task_cdbs_left;
atomic_t t_task_cdbs_ex_left;
- atomic_t t_task_cdbs_timeout_left;
atomic_t t_task_cdbs_sent;
atomic_t t_transport_aborted;
atomic_t t_transport_active;
atomic_t t_transport_queue_active;
atomic_t t_transport_sent;
atomic_t t_transport_stop;
- atomic_t t_transport_timeout;
atomic_t transport_dev_active;
atomic_t transport_lun_active;
atomic_t transport_lun_fe_stop;
struct completion transport_lun_stop_comp;
struct scatterlist *t_tasks_sg_chained;
+ struct work_struct work;
+
/*
* Used for pre-registered fabric SGL passthrough WRITE and READ
* with the special SCF_PASSTHROUGH_CONTIG_TO_SG case for TCM_Loop
u32 optimal_sectors;
u32 hw_queue_depth;
u32 queue_depth;
- u32 task_timeout;
u32 max_unmap_lba_count;
u32 max_unmap_block_desc_count;
u32 unmap_granularity;