From: chenxiang <chenxiang66@hisilicon.com>
To: <jejb@linux.ibm.com>, <martin.petersen@oracle.com>
Cc: <linux-scsi@vger.kernel.org>, <linuxarm@huawei.com>,
<john.garry@huawei.com>, Xiang Chen <chenxiang66@hisilicon.com>
Subject: [PATCH 10/15] scsi: libsas: Add a flag SAS_HA_RESUMING of sas_ha
Date: Wed, 17 Nov 2021 10:45:03 +0800 [thread overview]
Message-ID: <1637117108-230103-11-git-send-email-chenxiang66@hisilicon.com> (raw)
In-Reply-To: <1637117108-230103-1-git-send-email-chenxiang66@hisilicon.com>
From: Xiang Chen <chenxiang66@hisilicon.com>
Add a flag SAS_HA_RESUMING and use it to indicate the process of resuming
sas_ha.
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Reviewed-by: John Garry <john.garry@huawei.com>
---
drivers/scsi/libsas/sas_init.c | 2 ++
include/scsi/libsas.h | 1 +
2 files changed, 3 insertions(+)
diff --git a/drivers/scsi/libsas/sas_init.c b/drivers/scsi/libsas/sas_init.c
index 974c4a305ece..069e40fc8411 100644
--- a/drivers/scsi/libsas/sas_init.c
+++ b/drivers/scsi/libsas/sas_init.c
@@ -362,6 +362,7 @@ void sas_prep_resume_ha(struct sas_ha_struct *ha)
int i;
set_bit(SAS_HA_REGISTERED, &ha->state);
+ set_bit(SAS_HA_RESUMING, &ha->state);
/* clear out any stale link events/data from the suspension path */
for (i = 0; i < ha->num_phys; i++) {
@@ -443,6 +444,7 @@ static void _sas_resume_ha(struct sas_ha_struct *ha, bool drain)
scsi_unblock_requests(ha->core.shost);
if (drain)
sas_drain_work(ha);
+ clear_bit(SAS_HA_RESUMING, &ha->state);
/* send event PORTE_BROADCAST_RCVD to identify some new inserted
* disks for expander
diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h
index a795a2d9e5b1..698f2032807b 100644
--- a/include/scsi/libsas.h
+++ b/include/scsi/libsas.h
@@ -356,6 +356,7 @@ enum sas_ha_state {
SAS_HA_DRAINING,
SAS_HA_ATA_EH_ACTIVE,
SAS_HA_FROZEN,
+ SAS_HA_RESUMING,
};
struct sas_ha_struct {
--
2.33.0
next prev parent reply other threads:[~2021-11-17 2:50 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-17 2:44 [PATCH 00/15] Add runtime PM support for libsas chenxiang
2021-11-17 2:44 ` [PATCH 01/15] libsas: Don't always drain event workqueue for HA resume chenxiang
2021-11-17 4:14 ` Bart Van Assche
2021-11-17 5:06 ` Bart Van Assche
2021-11-17 2:44 ` [PATCH 02/15] Revert "scsi: hisi_sas: Filter out new PHY up events during suspend" chenxiang
2021-12-13 10:31 ` John Garry
2021-12-15 7:20 ` chenxiang (M)
2021-11-17 2:44 ` [PATCH 03/15] scsi/block PM: Always set request queue runtime active in blk_post_runtime_resume() chenxiang
2021-11-17 4:58 ` Bart Van Assche
2021-11-17 2:44 ` [PATCH 04/15] scsi: libsas: Add spin_lock/unlock() to protect asd_sas_port->phy_list chenxiang
2021-11-17 2:44 ` [PATCH 05/15] scsi: hisi_sas: Fix some issues related to asd_sas_port->phy_list chenxiang
2021-11-17 2:44 ` [PATCH 06/15] scsi: mvsas: Add spin_lock/unlock() to protect asd_sas_port->phy_list chenxiang
2021-11-17 2:45 ` [PATCH 07/15] scsi: libsas: Send event PORTE_BROADCAST_RCVD for valid ports chenxiang
2021-12-13 11:02 ` John Garry
2021-12-15 7:25 ` chenxiang (M)
2021-11-17 2:45 ` [PATCH 08/15] scsi: hisi_sas: Add more prink for runtime suspend/resume chenxiang
2021-12-13 10:34 ` John Garry
2021-12-15 7:26 ` chenxiang (M)
2021-12-13 10:35 ` John Garry
2021-12-15 7:26 ` chenxiang (M)
2021-11-17 2:45 ` [PATCH 09/15] scsi: libsas: Resume sas host before sending SMP IOs chenxiang
2021-12-13 11:12 ` John Garry
2021-12-15 8:00 ` chenxiang (M)
2021-11-17 2:45 ` chenxiang [this message]
2021-12-13 11:17 ` [PATCH 10/15] scsi: libsas: Add a flag SAS_HA_RESUMING of sas_ha John Garry
2021-12-15 7:34 ` chenxiang (M)
2021-11-17 2:45 ` [PATCH 11/15] scsi: libsas: Refactor out sas_queue_deferred_work() chenxiang
2021-12-13 11:20 ` John Garry
2021-12-15 7:59 ` chenxiang (M)
2021-11-17 2:45 ` [PATCH 12/15] scsi: libsas: Defer works of new phys during suspend chenxiang
2021-11-17 2:45 ` [PATCH 13/15] scsi: hisi_sas: Keep controller active between ISR of phyup and the event being processed chenxiang
2021-12-13 10:44 ` John Garry
2021-12-15 7:57 ` chenxiang (M)
2021-11-17 2:45 ` [PATCH 14/15] scsi: libsas: Keep sas host active until finished some work chenxiang
2021-12-14 12:34 ` John Garry
2021-12-15 7:46 ` chenxiang (M)
2021-11-17 2:45 ` [PATCH 15/15] scsi: hisi_sas: Use autosuspend for SAS controller chenxiang
2021-12-13 10:50 ` John Garry
2021-12-15 7:52 ` chenxiang (M)
2021-11-19 4:04 ` [PATCH 00/15] Add runtime PM support for libsas Martin K. Petersen
2021-11-23 6:01 ` chenxiang (M)
2021-12-14 11:52 ` John Garry
2021-12-15 7:56 ` chenxiang (M)
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1637117108-230103-11-git-send-email-chenxiang66@hisilicon.com \
--to=chenxiang66@hisilicon.com \
--cc=jejb@linux.ibm.com \
--cc=john.garry@huawei.com \
--cc=linux-scsi@vger.kernel.org \
--cc=linuxarm@huawei.com \
--cc=martin.petersen@oracle.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).