From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hannes Reinecke Subject: [PATCH 02/11] target_core_alua: Store supported ALUA states Date: Wed, 16 Oct 2013 09:20:41 +0200 Message-ID: <1381908048-82014-3-git-send-email-hare@suse.de> References: <1381908048-82014-1-git-send-email-hare@suse.de> Return-path: Received: from cantor2.suse.de ([195.135.220.15]:48766 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754149Ab3JPHUu (ORCPT ); Wed, 16 Oct 2013 03:20:50 -0400 In-Reply-To: <1381908048-82014-1-git-send-email-hare@suse.de> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Nic Bellinger Cc: target-devel@vger.kernel.org, linux-scsi@vger.kernel.org, Hannes Reinecke The supported ALUA states might be different for individual devices, so store it in a separate field. Signed-off-by: Hannes Reinecke --- drivers/target/target_core_alua.c | 14 ++++++++------ drivers/target/target_core_alua.h | 11 +++++++++++ include/target/target_core_base.h | 1 + 3 files changed, 20 insertions(+), 6 deletions(-) diff --git a/drivers/target/target_core_alua.c b/drivers/target/target_core_alua.c index 8297d37..255e83c 100644 --- a/drivers/target/target_core_alua.c +++ b/drivers/target/target_core_alua.c @@ -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 = diff --git a/drivers/target/target_core_alua.h b/drivers/target/target_core_alua.h index 74cf0c0..e826a65 100644 --- a/drivers/target/target_core_alua.h +++ b/drivers/target/target_core_alua.h @@ -23,6 +23,17 @@ #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 * * from spc4r17 section 6.27 Table 246 diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h index 1c6e54d..21f4bd5 100644 --- a/include/target/target_core_base.h +++ b/include/target/target_core_base.h @@ -282,6 +282,7 @@ 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; -- 1.7.12.4