[PATCH V3 19/25] smartpqi: add phy id support for the physical drives

From: Don Brace <don.brace@microchip.com>
To: <Kevin.Barnett@microchip.com>, <scott.teel@microchip.com>,
	<Justin.Lindley@microchip.com>, <scott.benesh@microchip.com>,
	<gerry.morong@microchip.com>, <mahesh.rajashekhara@microchip.com>,
	<hch@infradead.org>, <jejb@linux.vnet.ibm.com>,
	<joseph.szczypek@hpe.com>, <POSWALD@suse.com>
Cc: <linux-scsi@vger.kernel.org>
Subject: [PATCH V3 19/25] smartpqi: add phy id support for the physical drives
Date: Thu, 10 Dec 2020 14:36:10 -0600	[thread overview]
Message-ID: <160763257085.26927.11572432608178521227.stgit@brunhilda> (raw)
In-Reply-To: <160763241302.26927.17487238067261230799.stgit@brunhilda>

From: Murthy Bhat <Murthy.Bhat@microchip.com>

* Display topology using PHY numbers.
* PHY(both local and remote) numbers corresponding to physical drives
    are read from BMIC_IDENTIFY_PHYSICAL_DEVICE.

Reviewed-by: Scott Benesh <scott.benesh@microchip.com>
Reviewed-by: Scott Teel <scott.teel@microchip.com>
Reviewed-by: Kevin Barnett <kevin.barnett@microchip.com>
Signed-off-by: Murthy Bhat <Murthy.Bhat@microchip.com>
Signed-off-by: Don Brace <don.brace@microchip.com>
---
 drivers/scsi/smartpqi/smartpqi.h               |    1 +
 drivers/scsi/smartpqi/smartpqi_init.c          |   10 ++++++++++
 drivers/scsi/smartpqi/smartpqi_sas_transport.c |    1 +
 3 files changed, 12 insertions(+)

diff --git a/drivers/scsi/smartpqi/smartpqi.h b/drivers/scsi/smartpqi/smartpqi.h
index c3b103b15924..8220957bc69b 100644
--- a/drivers/scsi/smartpqi/smartpqi.h
+++ b/drivers/scsi/smartpqi/smartpqi.h
@@ -1089,6 +1089,7 @@ struct pqi_scsi_dev {
 	u8	phy_connected_dev_type;
 	u8	box[8];
 	u16	phys_connector[8];
+	u8	phy_id;
 	bool	raid_bypass_configured;	/* RAID bypass configured */
 	bool	raid_bypass_enabled;	/* RAID bypass enabled */
 	u32	next_bypass_group;
diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c
index f6bc7d9850e0..6b624413c8e6 100644
--- a/drivers/scsi/smartpqi/smartpqi_init.c
+++ b/drivers/scsi/smartpqi/smartpqi_init.c
@@ -1435,6 +1435,8 @@ static void pqi_get_volume_status(struct pqi_ctrl_info *ctrl_info,
 	device->volume_offline = volume_offline;
 }
 
+#define PQI_DEVICE_PHY_MAP_SUPPORTED	0x10
+
 static int pqi_get_physical_device_info(struct pqi_ctrl_info *ctrl_info,
 	struct pqi_scsi_dev *device,
 	struct bmic_identify_physical_device *id_phys)
@@ -1474,6 +1476,13 @@ static int pqi_get_physical_device_info(struct pqi_ctrl_info *ctrl_info,
 	memcpy(&device->page_83_identifier, &id_phys->page_83_identifier,
 		sizeof(device->page_83_identifier));
 
+	if ((id_phys->even_more_flags & PQI_DEVICE_PHY_MAP_SUPPORTED) &&
+		id_phys->phy_count)
+		device->phy_id =
+			id_phys->phy_to_phy_map[device->active_path_index];
+	else
+		device->phy_id = 0xFF;
+
 	return 0;
 }
 
@@ -1840,6 +1849,7 @@ static void pqi_scsi_update_device(struct pqi_scsi_dev *existing_device,
 	existing_device->aio_handle = new_device->aio_handle;
 	existing_device->volume_status = new_device->volume_status;
 	existing_device->active_path_index = new_device->active_path_index;
+	existing_device->phy_id = new_device->phy_id;
 	existing_device->path_map = new_device->path_map;
 	existing_device->bay = new_device->bay;
 	existing_device->box_index = new_device->box_index;
diff --git a/drivers/scsi/smartpqi/smartpqi_sas_transport.c b/drivers/scsi/smartpqi/smartpqi_sas_transport.c
index 77923c6ec2c6..71e83d5fdd02 100644
--- a/drivers/scsi/smartpqi/smartpqi_sas_transport.c
+++ b/drivers/scsi/smartpqi/smartpqi_sas_transport.c
@@ -92,6 +92,7 @@ static int pqi_sas_port_add_rphy(struct pqi_sas_port *pqi_sas_port,
 
 	identify = &rphy->identify;
 	identify->sas_address = pqi_sas_port->sas_address;
+	identify->phy_identifier = pqi_sas_port->device->phy_id;
 
 	if (pqi_sas_port->device &&
 		pqi_sas_port->device->is_expander_smp_device) {

