Merge tag 'imx-fixes-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo...

[karo-tx-linux.git] / include / target / target_core_fabric.h

diff --git a/include/target/target_core_fabric.h b/include/target/target_core_fabric.h
index 18afef91b447f950cb5f78b022355a1db6664af0..7fb2557a760e432ffa054f2550acd8e8a9e7085a 100644 (file)
--- a/include/target/target_core_fabric.h
+++ b/include/target/target_core_fabric.h
@@ -5,6 +5,19 @@ struct target_core_fabric_ops {
        struct module *module;
        const char *name;
        size_t node_acl_size;
+       /*
+        * Limits number of scatterlist entries per SCF_SCSI_DATA_CDB payload.
+        * Setting this value tells target-core to enforce this limit, and
+        * report as INQUIRY EVPD=b0 MAXIMUM TRANSFER LENGTH.
+        *
+        * target-core will currently reset se_cmd->data_length to this
+        * maximum size, and set UNDERFLOW residual count if length exceeds
+        * this limit.
+        *
+        * XXX: Not all initiator hosts honor this block-limit EVPD
+        * XXX: Currently assumes single PAGE_SIZE per scatterlist entry
+        */
+       u32 max_data_sg_nents;
        char *(*get_fabric_name)(void);
        char *(*tpg_get_wwn)(struct se_portal_group *);
        u16 (*tpg_get_tag)(struct se_portal_group *);
@@ -152,6 +165,7 @@ int transport_generic_handle_tmr(struct se_cmd *);
 void   transport_generic_request_failure(struct se_cmd *, sense_reason_t);
 void   __target_execute_cmd(struct se_cmd *);
 int    transport_lookup_tmr_lun(struct se_cmd *, u64);
+void   core_allocate_nexus_loss_ua(struct se_node_acl *acl);
 
 struct se_node_acl *core_tpg_get_initiator_node_acl(struct se_portal_group *tpg,
                unsigned char *);