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From: Deepak Ukey <deepak.ukey@microchip.com>
To: <linux-scsi@vger.kernel.org>
Cc: <Vasanthalakshmi.Tharmarajan@microchip.com>,
	<Viswas.G@microchip.com>, <deepak.ukey@microchip.com>,
	<jinpu.wang@profitbricks.com>, <martin.petersen@oracle.com>,
	<yuuzheng@google.com>, <auradkar@google.com>,
	<vishakhavc@google.com>, <bjashnani@google.com>,
	<radha@google.com>, <akshatzen@google.com>
Subject: [PATCH V2 06/13] pm80xx : sysfs attribute for number of phys.
Date: Fri, 17 Jan 2020 12:49:16 +0530	[thread overview]
Message-ID: <20200117071923.7445-7-deepak.ukey@microchip.com> (raw)
In-Reply-To: <20200117071923.7445-1-deepak.ukey@microchip.com>

From: Viswas G <Viswas.G@microchip.com>

Added sysfs attribute to show number of phys.

Signed-off-by: Deepak Ukey <deepak.ukey@microchip.com>
Signed-off-by: Viswas G <Viswas.G@microchip.com>
Signed-off-by: Radha Ramachandran <radha@google.com>
---
 drivers/scsi/pm8001/pm8001_ctl.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/drivers/scsi/pm8001/pm8001_ctl.c b/drivers/scsi/pm8001/pm8001_ctl.c
index 69458b318a20..8091e78a04b0 100644
--- a/drivers/scsi/pm8001/pm8001_ctl.c
+++ b/drivers/scsi/pm8001/pm8001_ctl.c
@@ -89,6 +89,25 @@ static ssize_t controller_fatal_error_show(struct device *cdev,
 }
 static DEVICE_ATTR_RO(controller_fatal_error);
 
+/**
+ * num_phys_show - Number of phys
+ * @cdev:pointer to embedded class device
+ * @buf:the buffer returned
+ * A sysfs 'read-only' shost attribute.
+ */
+static ssize_t num_phys_show(struct device *cdev,
+		struct device_attribute *attr, char *buf)
+{
+	int ret;
+	struct Scsi_Host *shost = class_to_shost(cdev);
+	struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
+	struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
+
+	ret = sprintf(buf, "%d", pm8001_ha->chip->n_phy);
+	return ret;
+}
+static DEVICE_ATTR_RO(num_phys);
+
 /**
  * pm8001_ctl_fw_version_show - firmware version
  * @cdev: pointer to embedded class device
@@ -825,6 +844,7 @@ static DEVICE_ATTR(update_fw, S_IRUGO|S_IWUSR|S_IWGRP,
 struct device_attribute *pm8001_host_attrs[] = {
 	&dev_attr_interface_rev,
 	&dev_attr_controller_fatal_error,
+	&dev_attr_num_phys,
 	&dev_attr_fw_version,
 	&dev_attr_update_fw,
 	&dev_attr_aap_log,
-- 
2.16.3


  parent reply	other threads:[~2020-01-17  7:10 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-17  7:19 [PATCH V2 00/13] pm80xx : Updates for the driver version 0.1.39 Deepak Ukey
2020-01-17  7:19 ` [PATCH V2 01/13] pm80xx : Increase request sg length Deepak Ukey
2020-01-17 14:08   ` Jinpu Wang
2020-01-17 15:50     ` Deepak.Ukey
2020-01-17 15:53       ` Jinpu Wang
2020-01-20  4:20         ` Deepak.Ukey
2020-01-20  8:47           ` Jinpu Wang
2020-01-29  9:02             ` Deepak.Ukey
2020-01-17  7:19 ` [PATCH V2 02/13] pm80xx : Deal with kexec reboots Deepak Ukey
2020-01-17  7:19 ` [PATCH V2 03/13] pm80xx : Free the tag when mpi_set_phy_profile_resp is received Deepak Ukey
2020-01-17  7:19 ` [PATCH V2 04/13] pm80xx : Cleanup initialization loading fail path Deepak Ukey
2020-01-17  7:19 ` [PATCH V2 05/13] pm80xx : Support for char device Deepak Ukey
2020-01-17 14:15   ` Jinpu Wang
2020-01-21  0:24     ` Martin K. Petersen
2020-01-21  5:33       ` Deepak.Ukey
2020-01-21 12:39         ` John Garry
2020-01-22  8:50           ` Deepak.Ukey
2020-01-22 12:38             ` John Garry
2020-01-28  9:43               ` Deepak.Ukey
2020-03-11 17:08                 ` Jinpu Wang
2020-03-11 22:13                   ` Douglas Gilbert
2020-03-12  8:49                     ` Jinpu Wang
2020-03-12 10:58                       ` John Garry
2020-03-16  6:22                         ` Deepak.Ukey
2020-01-17  7:19 ` Deepak Ukey [this message]
2020-01-17 14:21   ` [PATCH V2 06/13] pm80xx : sysfs attribute for number of phys Jinpu Wang
2020-01-20  4:50     ` Deepak.Ukey
2020-01-21  7:55       ` Jinpu Wang
2020-01-17  7:19 ` [PATCH V2 07/13] pm80xx : IOCTL functionality to get phy status Deepak Ukey
2020-01-17 14:35   ` Jinpu Wang
2020-01-17  7:19 ` [PATCH V2 08/13] pm80xx : IOCTL functionality to get phy error Deepak Ukey
2020-01-17  7:19 ` [PATCH V2 09/13] pm80xx : IOCTL functionality for GPIO Deepak Ukey
2020-01-17  7:19 ` [PATCH V2 10/13] pm80xx : IOCTL functionality for SGPIO Deepak Ukey
2020-01-22  8:59   ` Jinpu Wang
2020-01-17  7:19 ` [PATCH V2 11/13] pm80xx : sysfs attribute for non fatal dump Deepak Ukey
2020-01-17 14:26   ` Jinpu Wang
2020-01-17  7:19 ` [PATCH V2 12/13] pm80xx : Introduce read and write length for IOCTL payload structure Deepak Ukey
2020-01-17  7:19 ` [PATCH V2 13/13] pm80xx : IOCTL functionality for TWI device Deepak Ukey

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