summaryrefslogtreecommitdiff
path: root/include/target/target_core_base.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/target/target_core_base.h')
-rw-r--r--include/target/target_core_base.h50
1 files changed, 37 insertions, 13 deletions
diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
index 159567359bbb..7016d93fa383 100644
--- a/include/target/target_core_base.h
+++ b/include/target/target_core_base.h
@@ -108,6 +108,15 @@
#define SE_MODE_PAGE_BUF 512
#define SE_SENSE_BUF 96
+enum target_submit_type {
+ /* Use the fabric driver's default submission type */
+ TARGET_FABRIC_DEFAULT_SUBMIT,
+ /* Submit from the calling context */
+ TARGET_DIRECT_SUBMIT,
+ /* Defer submission to the LIO workqueue */
+ TARGET_QUEUE_SUBMIT,
+};
+
/* struct se_hba->hba_flags */
enum hba_flags_table {
HBA_FLAGS_INTERNAL_USE = 0x01,
@@ -148,6 +157,8 @@ enum se_cmd_flags_table {
SCF_USE_CPUID = (1 << 16),
SCF_TASK_ATTR_SET = (1 << 17),
SCF_TREAT_READ_AS_NORMAL = (1 << 18),
+ SCF_TASK_ORDERED_SYNC = (1 << 19),
+ SCF_ATOMIC = (1 << 20),
};
/*
@@ -660,15 +671,19 @@ struct se_lun_acl {
struct se_ml_stat_grps ml_stat_grps;
};
+struct se_dev_entry_io_stats {
+ u64 total_cmds;
+ u64 read_bytes;
+ u64 write_bytes;
+};
+
struct se_dev_entry {
u64 mapped_lun;
u64 pr_res_key;
u64 creation_time;
bool lun_access_ro;
u32 attach_count;
- atomic_long_t total_cmds;
- atomic_long_t read_bytes;
- atomic_long_t write_bytes;
+ struct se_dev_entry_io_stats __percpu *stats;
/* Used for PR SPEC_I_PT=1 and REGISTER_AND_MOVE */
struct kref pr_kref;
struct completion pr_comp;
@@ -717,6 +732,12 @@ struct se_dev_attrib {
u32 unmap_granularity;
u32 unmap_granularity_alignment;
u32 max_write_same_len;
+ u32 atomic_max_len;
+ u32 atomic_alignment;
+ u32 atomic_granularity;
+ u32 atomic_max_with_boundary;
+ u32 atomic_max_boundary;
+ u8 submit_type;
struct se_device *da_dev;
struct config_group da_group;
};
@@ -729,9 +750,9 @@ struct se_port_stat_grps {
};
struct scsi_port_stats {
- atomic_long_t cmd_pdus;
- atomic_long_t tx_data_octets;
- atomic_long_t rx_data_octets;
+ u64 cmd_pdus;
+ u64 tx_data_octets;
+ u64 rx_data_octets;
};
struct se_lun {
@@ -758,7 +779,7 @@ struct se_lun {
spinlock_t lun_tg_pt_gp_lock;
struct se_portal_group *lun_tpg;
- struct scsi_port_stats lun_stats;
+ struct scsi_port_stats __percpu *lun_stats;
struct config_group lun_group;
struct se_port_stat_grps port_stat_grps;
struct completion lun_shutdown_comp;
@@ -790,6 +811,12 @@ struct se_device_queue {
struct se_cmd_queue sq;
};
+struct se_dev_io_stats {
+ u64 total_cmds;
+ u64 read_bytes;
+ u64 write_bytes;
+};
+
struct se_device {
/* Used for SAM Task Attribute ordering */
u32 dev_cur_ordered_id;
@@ -811,13 +838,10 @@ struct se_device {
atomic_long_t num_resets;
atomic_long_t aborts_complete;
atomic_long_t aborts_no_task;
- atomic_long_t num_cmds;
- atomic_long_t read_bytes;
- atomic_long_t write_bytes;
+ struct se_dev_io_stats __percpu *stats;
/* Active commands on this virtual SE device */
- atomic_t non_ordered;
+ struct percpu_ref non_ordered;
bool ordered_sync_in_progress;
- atomic_t delayed_cmd_count;
atomic_t dev_qf_count;
u32 export_count;
spinlock_t delayed_cmd_lock;
@@ -880,7 +904,7 @@ struct target_opcode_descriptor {
u8 specific_timeout;
u16 nominal_timeout;
u16 recommended_timeout;
- bool (*enabled)(struct target_opcode_descriptor *descr,
+ bool (*enabled)(const struct target_opcode_descriptor *descr,
struct se_cmd *cmd);
void (*update_usage_bits)(u8 *usage_bits,
struct se_device *dev);