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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-06-18 11:06:17 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-06-18 11:06:17 +0200
commitb0fc24f36191468bcabc72aaea67ab7a2bb2a13e (patch)
treebc64adf1363a447ad4582deeaa5bb36ffcf6bfcc /drivers/scsi/mpi3mr/mpi3mr_app.c
parent5821bf2dffbe18fe1f097dbb027415fa15a38e9a (diff)
parent6ba59ff4227927d3a8530fc2973b80e94b54d58f (diff)
Merge tag 'v6.10-rc4' into usb-next
We need the USB / Thunderbolt fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/scsi/mpi3mr/mpi3mr_app.c')
-rw-r--r--drivers/scsi/mpi3mr/mpi3mr_app.c62
1 files changed, 62 insertions, 0 deletions
diff --git a/drivers/scsi/mpi3mr/mpi3mr_app.c b/drivers/scsi/mpi3mr/mpi3mr_app.c
index 1638109a68a0..cd261b48eb46 100644
--- a/drivers/scsi/mpi3mr/mpi3mr_app.c
+++ b/drivers/scsi/mpi3mr/mpi3mr_app.c
@@ -2163,10 +2163,72 @@ persistent_id_show(struct device *dev, struct device_attribute *attr,
}
static DEVICE_ATTR_RO(persistent_id);
+/**
+ * sas_ncq_prio_supported_show - Indicate if device supports NCQ priority
+ * @dev: pointer to embedded device
+ * @attr: sas_ncq_prio_supported attribute descriptor
+ * @buf: the buffer returned
+ *
+ * A sysfs 'read-only' sdev attribute, only works with SATA devices
+ */
+static ssize_t
+sas_ncq_prio_supported_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct scsi_device *sdev = to_scsi_device(dev);
+
+ return sysfs_emit(buf, "%d\n", sas_ata_ncq_prio_supported(sdev));
+}
+static DEVICE_ATTR_RO(sas_ncq_prio_supported);
+
+/**
+ * sas_ncq_prio_enable_show - send prioritized io commands to device
+ * @dev: pointer to embedded device
+ * @attr: sas_ncq_prio_enable attribute descriptor
+ * @buf: the buffer returned
+ *
+ * A sysfs 'read/write' sdev attribute, only works with SATA devices
+ */
+static ssize_t
+sas_ncq_prio_enable_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct scsi_device *sdev = to_scsi_device(dev);
+ struct mpi3mr_sdev_priv_data *sdev_priv_data = sdev->hostdata;
+
+ if (!sdev_priv_data)
+ return 0;
+
+ return sysfs_emit(buf, "%d\n", sdev_priv_data->ncq_prio_enable);
+}
+
+static ssize_t
+sas_ncq_prio_enable_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct scsi_device *sdev = to_scsi_device(dev);
+ struct mpi3mr_sdev_priv_data *sdev_priv_data = sdev->hostdata;
+ bool ncq_prio_enable = 0;
+
+ if (kstrtobool(buf, &ncq_prio_enable))
+ return -EINVAL;
+
+ if (!sas_ata_ncq_prio_supported(sdev))
+ return -EINVAL;
+
+ sdev_priv_data->ncq_prio_enable = ncq_prio_enable;
+
+ return strlen(buf);
+}
+static DEVICE_ATTR_RW(sas_ncq_prio_enable);
+
static struct attribute *mpi3mr_dev_attrs[] = {
&dev_attr_sas_address.attr,
&dev_attr_device_handle.attr,
&dev_attr_persistent_id.attr,
+ &dev_attr_sas_ncq_prio_supported.attr,
+ &dev_attr_sas_ncq_prio_enable.attr,
NULL,
};