linux-kernel - [PATCH v5 6/7] scsi: aic94xx: Add libsas SATA sysfs attributes group

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Date: Mon,  4 Mar 2024 16:51:02 -0800
From: Igor Pylypiv <ipylypiv@...gle.com>
To: Damien Le Moal <dlemoal@...nel.org>, Niklas Cassel <cassel@...nel.org>, 
	John Garry <john.g.garry@...cle.com>, Jason Yan <yanaijie@...wei.com>, 
	"James E.J. Bottomley" <jejb@...ux.ibm.com>, "Martin K. Petersen" <martin.petersen@...cle.com>, 
	Jack Wang <jinpu.wang@...ud.ionos.com>, Hannes Reinecke <hare@...e.de>, 
	Xiang Chen <chenxiang66@...ilicon.com>, Artur Paszkiewicz <artur.paszkiewicz@...el.com>, 
	Bart Van Assche <bvanassche@....org>
Cc: TJ Adams <tadamsjr@...gle.com>, linux-ide@...r.kernel.org, 
	linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org, 
	Igor Pylypiv <ipylypiv@...gle.com>
Subject: [PATCH v5 6/7] scsi: aic94xx: Add libsas SATA sysfs attributes group

The added sysfs attributes group enables the configuration of NCQ Priority
feature for HBAs that rely on libsas to manage SATA devices.

Reviewed-by: John Garry <john.g.garry@...cle.com>
Reviewed-by: Damien Le Moal <dlemoal@...nel.org>
Signed-off-by: Igor Pylypiv <ipylypiv@...gle.com>
---
 drivers/scsi/aic94xx/aic94xx_init.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/scsi/aic94xx/aic94xx_init.c b/drivers/scsi/aic94xx/aic94xx_init.c
index 8a3340d8d7ad..ccccd0eb6275 100644
--- a/drivers/scsi/aic94xx/aic94xx_init.c
+++ b/drivers/scsi/aic94xx/aic94xx_init.c
@@ -14,6 +14,7 @@
 #include <linux/firmware.h>
 #include <linux/slab.h>
 
+#include <scsi/sas_ata.h>
 #include <scsi/scsi_host.h>
 
 #include "aic94xx.h"
@@ -34,6 +35,7 @@ MODULE_PARM_DESC(use_msi, "\n"
 static struct scsi_transport_template *aic94xx_transport_template;
 static int asd_scan_finished(struct Scsi_Host *, unsigned long);
 static void asd_scan_start(struct Scsi_Host *);
+static const struct attribute_group *asd_sdev_groups[];
 
 static const struct scsi_host_template aic94xx_sht = {
 	.module			= THIS_MODULE,
@@ -60,6 +62,7 @@ static const struct scsi_host_template aic94xx_sht = {
 	.compat_ioctl		= sas_ioctl,
 #endif
 	.track_queue_depth	= 1,
+	.sdev_groups		= asd_sdev_groups,
 };
 
 static int asd_map_memio(struct asd_ha_struct *asd_ha)
@@ -951,6 +954,11 @@ static void asd_remove_driver_attrs(struct device_driver *driver)
 	driver_remove_file(driver, &driver_attr_version);
 }
 
+static const struct attribute_group *asd_sdev_groups[] = {
+	&sas_ata_sdev_attr_group,
+	NULL
+};
+
 static struct sas_domain_function_template aic94xx_transport_functions = {
 	.lldd_dev_found		= asd_dev_found,
 	.lldd_dev_gone		= asd_dev_gone,
-- 
2.44.0.278.ge034bb2e1d-goog