Commit 0c2fb170 authored by Xiang Chen's avatar Xiang Chen Committed by Martin K. Petersen
Browse files

scsi: hisi_sas: Add device attribute experimental_iopoll_q_cnt for v3 hw 



Add device attribute experimental_iopoll_q_cnt to indicate how many iopoll
queues are used for v3 hw.

Signed-off-by: default avatarXiang Chen <chenxiang66@hisilicon.com>
Link: https://lore.kernel.org/r/1678169355-76215-5-git-send-email-chenxiang66@hisilicon.com


Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent b711ef5e

drivers/scsi/hisi_sas/hisi_sas_v3_hw.c

+13 −0
Original line number Diff line number Diff line
@@ -2855,6 +2855,18 @@ static ssize_t intr_coal_count_v3_hw_store(struct device *dev, 
}

static DEVICE_ATTR_RW(intr_coal_count_v3_hw);



static ssize_t iopoll_q_cnt_v3_hw_show(struct device *dev,

					  struct device_attribute

					  *attr, char *buf)

{

	struct Scsi_Host *shost = class_to_shost(dev);

	struct hisi_hba *hisi_hba = shost_priv(shost);



	return scnprintf(buf, PAGE_SIZE, "%u\n",

			 hisi_hba->iopoll_q_cnt);

}

static DEVICE_ATTR_RO(iopoll_q_cnt_v3_hw);



static int slave_configure_v3_hw(struct scsi_device *sdev)

{

	struct Scsi_Host *shost = dev_to_shost(&sdev->sdev_gendev);
@@ -2884,6 +2896,7 @@ static struct attribute *host_v3_hw_attrs[] = { 
	&dev_attr_intr_conv_v3_hw.attr,

	&dev_attr_intr_coal_ticks_v3_hw.attr,

	&dev_attr_intr_coal_count_v3_hw.attr,

	&dev_attr_iopoll_q_cnt_v3_hw.attr,

	NULL

};