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From: Laurent Vivier <lvivier@redhat.com>
To: martin.petersen@oracle.com
Cc: brking@linux.vnet.ibm.com, tyreld@linux.vnet.ibm.com,
	linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org,
	lvivier@redhat.com
Subject: [PATCH v2 3/3] ibmvscsi: Allow to configure maximum LUN
Date: Wed,  4 Nov 2015 11:20:51 +0100	[thread overview]
Message-ID: <1446632451-22365-4-git-send-email-lvivier@redhat.com> (raw)
In-Reply-To: <1446632451-22365-1-git-send-email-lvivier@redhat.com>

QEMU allows until 32 LUNs.

Signed-off-by: Laurent Vivier <lvivier@redhat.com>
---
 drivers/scsi/ibmvscsi/ibmvscsi.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c
index 04de287..4480d3e 100644
--- a/drivers/scsi/ibmvscsi/ibmvscsi.c
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.c
@@ -84,6 +84,7 @@
  */
 static int max_id = 64;
 static int max_channel = 3;
+static int max_lun = 8;
 static int init_timeout = 300;
 static int login_timeout = 60;
 static int info_timeout = 30;
@@ -117,6 +118,8 @@ module_param_named(fast_fail, fast_fail, int, S_IRUGO | S_IWUSR);
 MODULE_PARM_DESC(fast_fail, "Enable fast fail. [Default=1]");
 module_param_named(client_reserve, client_reserve, int, S_IRUGO );
 MODULE_PARM_DESC(client_reserve, "Attempt client managed reserve/release");
+module_param(max_lun, int, S_IRUGO);
+MODULE_PARM_DESC(max_lun, "Maximum LUN value [Default=8]");
 
 static void ibmvscsi_handle_crq(struct viosrp_crq *crq,
 				struct ibmvscsi_host_data *hostdata);
@@ -2289,7 +2292,7 @@ static int ibmvscsi_probe(struct vio_dev *vdev, const struct vio_device_id *id)
 		goto init_pool_failed;
 	}
 
-	host->max_lun = 8;
+	host->max_lun = max_lun;
 	host->max_id = max_id;
 	host->max_channel = max_channel;
 	host->max_cmd_len = 16;
-- 
2.1.0


  parent reply	other threads:[~2015-11-04 10:21 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-11-04 10:20 [PATCH v2 0/3] ibmvscsi parameter cleanup Laurent Vivier
2015-11-04 10:20 ` [PATCH v2 1/3] ibmvscsi: make parameters max_id and max_channel read-only Laurent Vivier
2015-11-04 10:20 ` [PATCH v2 2/3] ibmvscsi: display default value for max_id, max_lun and max_channel Laurent Vivier
2015-11-04 10:20 ` Laurent Vivier [this message]
2015-11-04 10:24   ` [PATCH v2 3/3] ibmvscsi: Allow to configure maximum LUN Laurent Vivier
2015-11-04 11:16   ` Hannes Reinecke
2015-11-04 11:46     ` Laurent Vivier
2015-11-04 13:02       ` Hannes Reinecke
2015-11-04 23:06         ` Brian King
2015-11-05  8:26           ` Laurent Vivier
2015-11-05 20:00             ` Brian King
2015-11-05  8:51           ` Hannes Reinecke
2015-11-05 19:01             ` Brian King

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