diff options
| author | Hannes Reinecke <hare@suse.de> | 2013-12-17 09:18:49 +0100 |
|---|---|---|
| committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2014-01-09 21:48:17 -0800 |
| commit | c66094bf325ee406b92298d73089ee25484a0263 (patch) | |
| tree | cfa2fb231dbd3e120ad2d75f96c250c24233978a /drivers/target/target_core_alua.h | |
| parent | fbfe858fea2a45df6339eb03dd1715b51f1bdc92 (diff) | |
target_core_alua: Referrals infrastructure
Add infrastructure for referrals.
v2 changes:
- Fix unsigned long long division in core_alua_state_lba_dependent on
32-bit (Fengguang + Chen + Hannes)
- Fix compile warning in core_alua_state_lba_dependent (nab)
- Convert segment_* + sectors variables in core_alua_state_lba_dependent
to u64 (Hannes)
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/target/target_core_alua.h')
| -rw-r--r-- | drivers/target/target_core_alua.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/target/target_core_alua.h b/drivers/target/target_core_alua.h index 1a152cd59471..47950cdc6f8b 100644 --- a/drivers/target/target_core_alua.h +++ b/drivers/target/target_core_alua.h @@ -13,12 +13,13 @@ /* * ASYMMETRIC ACCESS STATE field * - * from spc4r17 section 6.27 Table 245 + * from spc4r36j section 6.37 Table 307 */ #define ALUA_ACCESS_STATE_ACTIVE_OPTIMIZED 0x0 #define ALUA_ACCESS_STATE_ACTIVE_NON_OPTIMIZED 0x1 #define ALUA_ACCESS_STATE_STANDBY 0x2 #define ALUA_ACCESS_STATE_UNAVAILABLE 0x3 +#define ALUA_ACCESS_STATE_LBA_DEPENDENT 0x4 #define ALUA_ACCESS_STATE_OFFLINE 0xe #define ALUA_ACCESS_STATE_TRANSITION 0xf @@ -88,6 +89,7 @@ extern struct kmem_cache *t10_alua_tg_pt_gp_mem_cache; extern sense_reason_t target_emulate_report_target_port_groups(struct se_cmd *); extern sense_reason_t target_emulate_set_target_port_groups(struct se_cmd *); +extern sense_reason_t target_emulate_report_referrals(struct se_cmd *); extern int core_alua_check_nonop_delay(struct se_cmd *); extern int core_alua_do_port_transition(struct t10_alua_tg_pt_gp *, struct se_device *, struct se_port *, |