From: John Garry <john.garry@huawei.com>
To: <jejb@linux.ibm.com>, <martin.petersen@oracle.com>,
<jinpu.wang@cloud.ionos.com>, <damien.lemoal@opensource.wdc.com>
Cc: <linux-scsi@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<Ajish.Koshy@microchip.com>, <linuxarm@huawei.com>,
<Viswas.G@microchip.com>, <hch@lst.de>, <liuqi115@huawei.com>,
<chenxiang66@hisilicon.com>, John Garry <john.garry@huawei.com>
Subject: [PATCH v2 2/4] scsi: libsas: Add sas_execute_internal_abort_dev()
Date: Fri, 11 Mar 2022 20:23:50 +0800 [thread overview]
Message-ID: <1647001432-239276-3-git-send-email-john.garry@huawei.com> (raw)
In-Reply-To: <1647001432-239276-1-git-send-email-john.garry@huawei.com>
Add support for a "device" variant of internal abort, which will abort all
pending IOs for a specific device.
Signed-off-by: John Garry <john.garry@huawei.com>
Tested-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
---
drivers/scsi/libsas/sas_scsi_host.c | 8 ++++++++
include/scsi/libsas.h | 8 ++++++++
2 files changed, 16 insertions(+)
diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c
index bb6baa52264d..13142ec97f1d 100644
--- a/drivers/scsi/libsas/sas_scsi_host.c
+++ b/drivers/scsi/libsas/sas_scsi_host.c
@@ -994,6 +994,14 @@ int sas_execute_internal_abort_single(struct domain_device *device, u16 tag,
}
EXPORT_SYMBOL_GPL(sas_execute_internal_abort_single);
+int sas_execute_internal_abort_dev(struct domain_device *device,
+ unsigned int qid, void *data)
+{
+ return sas_execute_internal_abort(device, SAS_INTERNAL_ABORT_DEV,
+ SCSI_NO_TAG, qid, data);
+}
+EXPORT_SYMBOL_GPL(sas_execute_internal_abort_dev);
+
int sas_execute_tmf(struct domain_device *device, void *parameter,
int para_len, int force_phy_id,
struct sas_tmf_task *tmf)
diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h
index 2d30d57916e5..71f632b2d2bd 100644
--- a/include/scsi/libsas.h
+++ b/include/scsi/libsas.h
@@ -560,6 +560,7 @@ struct sas_ata_task {
/* LLDDs rely on these values */
enum sas_internal_abort {
SAS_INTERNAL_ABORT_SINGLE = 0,
+ SAS_INTERNAL_ABORT_DEV = 1,
};
struct sas_internal_abort_task {
@@ -641,6 +642,11 @@ extern struct sas_task *sas_alloc_task(gfp_t flags);
extern struct sas_task *sas_alloc_slow_task(gfp_t flags);
extern void sas_free_task(struct sas_task *task);
+static inline bool sas_is_internal_abort(struct sas_task *task)
+{
+ return task->task_proto == SAS_PROTOCOL_INTERNAL_ABORT;
+}
+
struct sas_domain_function_template {
/* The class calls these to notify the LLDD of an event. */
void (*lldd_port_formed)(struct asd_sas_phy *);
@@ -697,6 +703,8 @@ extern int sas_bios_param(struct scsi_device *, struct block_device *,
int sas_execute_internal_abort_single(struct domain_device *device,
u16 tag, unsigned int qid,
void *data);
+int sas_execute_internal_abort_dev(struct domain_device *device,
+ unsigned int qid, void *data);
extern struct scsi_transport_template *
sas_domain_attach_transport(struct sas_domain_function_template *);
extern struct device_attribute dev_attr_phy_event_threshold;
--
2.26.2
next prev parent reply other threads:[~2022-03-11 12:29 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-11 12:23 [PATCH v2 0/4] scsi: libsas and users: Factor out internal abort code John Garry
2022-03-11 12:23 ` [PATCH v2 1/4] scsi: libsas: Add sas_execute_internal_abort_single() John Garry
2022-03-11 12:23 ` John Garry [this message]
2022-03-11 12:23 ` [PATCH v2 3/4] scsi: pm8001: Use libsas internal abort support John Garry
2022-03-11 12:23 ` [PATCH v2 4/4] scsi: hisi_sas: " John Garry
2022-03-14 6:23 ` [PATCH v2 0/4] scsi: libsas and users: Factor out internal abort code Jinpu Wang
2022-03-15 3:33 ` Martin K. Petersen
2022-03-19 3:56 ` Martin K. Petersen
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