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Commit c0dc941e authored by Hannes Reinecke's avatar Hannes Reinecke Committed by Nicholas Bellinger
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target_core_alua: Store supported ALUA states 



The supported ALUA states might be different for individual
devices, so store it in a separate field.

(nab: Remove unnecessary line continuation)

Signed-off-by: default avatarHannes Reinecke <hare@suse.de>
Signed-off-by: default avatarNicholas Bellinger <nab@linux-iscsi.org>
parent 73f3bf51

drivers/target/target_core_alua.c

+8 −6
Original line number Diff line number Diff line
@@ -117,12 +117,7 @@ target_emulate_report_target_port_groups(struct se_cmd *cmd) 
		/*

		 * Set supported ASYMMETRIC ACCESS State bits

		 */

		buf[off] = 0x80; /* T_SUP */

		buf[off] |= 0x40; /* O_SUP */

		buf[off] |= 0x8; /* U_SUP */

		buf[off] |= 0x4; /* S_SUP */

		buf[off] |= 0x2; /* AN_SUP */

		buf[off++] |= 0x1; /* AO_SUP */

		buf[off++] |= tg_pt_gp->tg_pt_gp_alua_supported_states;

		/*

		 * TARGET PORT GROUP

		 */
@@ -1367,6 +1362,13 @@ struct t10_alua_tg_pt_gp *core_alua_allocate_tg_pt_gp(struct se_device *dev, 
	tg_pt_gp->tg_pt_gp_trans_delay_msecs = ALUA_DEFAULT_TRANS_DELAY_MSECS;

	tg_pt_gp->tg_pt_gp_implicit_trans_secs = ALUA_DEFAULT_IMPLICIT_TRANS_SECS;



	/*

	 * Enable all supported states

	 */

	tg_pt_gp->tg_pt_gp_alua_supported_states =

	    ALUA_T_SUP | ALUA_O_SUP |

	    ALUA_U_SUP | ALUA_S_SUP | ALUA_AN_SUP | ALUA_AO_SUP;



	if (def_group) {

		spin_lock(&dev->t10_alua.tg_pt_gps_lock);

		tg_pt_gp->tg_pt_gp_id =

drivers/target/target_core_alua.h

+11 −0
Original line number Diff line number Diff line
@@ -22,6 +22,17 @@ 
#define ALUA_ACCESS_STATE_OFFLINE		0xe

#define ALUA_ACCESS_STATE_TRANSITION		0xf



/*

 * from spc4r36j section 6.37 Table 306

 */

#define ALUA_T_SUP		0x80

#define ALUA_O_SUP		0x40

#define ALUA_LBD_SUP		0x10

#define ALUA_U_SUP		0x08

#define ALUA_S_SUP		0x04

#define ALUA_AN_SUP		0x02

#define ALUA_AO_SUP		0x01



/*

 * REPORT_TARGET_PORT_GROUP STATUS CODE

 *

include/target/target_core_base.h

+1 −0
Original line number Diff line number Diff line
@@ -283,6 +283,7 @@ struct t10_alua_lu_gp_member { 
struct t10_alua_tg_pt_gp {

	u16	tg_pt_gp_id;

	int	tg_pt_gp_valid_id;

	int	tg_pt_gp_alua_supported_states;

	int	tg_pt_gp_alua_access_status;

	int	tg_pt_gp_alua_access_type;

	int	tg_pt_gp_nonop_delay_msecs;