Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 8085176f authored by Sagi Grimberg's avatar Sagi Grimberg Committed by Nicholas Bellinger
Browse files

Target/configfs: Expose iSCSI network portal group T10-PI support 



User may enable T10-PI support per network portal group. any connection
established on top of it, will be required to serve protected transactions.

Signed-off-by: default avatarSagi Grimberg <sagig@mellanox.com>
Signed-off-by: default avatarNicholas Bellinger <nab@linux-iscsi.org>
parent 5b168dcd

drivers/target/iscsi/iscsi_target_configfs.c

+6 −0
Original line number Diff line number Diff line
@@ -1052,6 +1052,11 @@ TPG_ATTR(demo_mode_discovery, S_IRUGO | S_IWUSR); 
 */

DEF_TPG_ATTRIB(default_erl);

TPG_ATTR(default_erl, S_IRUGO | S_IWUSR);

/*

 * Define iscsi_tpg_attrib_s_t10_pi

 */

DEF_TPG_ATTRIB(t10_pi);

TPG_ATTR(t10_pi, S_IRUGO | S_IWUSR);



static struct configfs_attribute *lio_target_tpg_attrib_attrs[] = {

	&iscsi_tpg_attrib_authentication.attr,
@@ -1064,6 +1069,7 @@ static struct configfs_attribute *lio_target_tpg_attrib_attrs[] = { 
	&iscsi_tpg_attrib_prod_mode_write_protect.attr,

	&iscsi_tpg_attrib_demo_mode_discovery.attr,

	&iscsi_tpg_attrib_default_erl.attr,

	&iscsi_tpg_attrib_t10_pi.attr,

	NULL,

};

drivers/target/iscsi/iscsi_target_tpg.c

+19 −0
Original line number Diff line number Diff line
@@ -860,3 +860,22 @@ int iscsit_ta_default_erl( 


	return 0;

}



int iscsit_ta_t10_pi(

	struct iscsi_portal_group *tpg,

	u32 flag)

{

	struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;



	if ((flag != 0) && (flag != 1)) {

		pr_err("Illegal value %d\n", flag);

		return -EINVAL;

	}



	a->t10_pi = flag;

	pr_debug("iSCSI_TPG[%hu] - T10 Protection information bit:"

		" %s\n", tpg->tpgt, (a->t10_pi) ?

		"ON" : "OFF");



	return 0;

}

drivers/target/iscsi/iscsi_target_tpg.h

+1 −0
Original line number Diff line number Diff line
@@ -39,5 +39,6 @@ extern int iscsit_ta_demo_mode_write_protect(struct iscsi_portal_group *, u32); 
extern int iscsit_ta_prod_mode_write_protect(struct iscsi_portal_group *, u32);

extern int iscsit_ta_demo_mode_discovery(struct iscsi_portal_group *, u32);

extern int iscsit_ta_default_erl(struct iscsi_portal_group *, u32);

extern int iscsit_ta_t10_pi(struct iscsi_portal_group *, u32);



#endif /* ISCSI_TARGET_TPG_H */