Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752394AbbKIQtU (ORCPT ); Mon, 9 Nov 2015 11:49:20 -0500 Received: from mx1.redhat.com ([209.132.183.28]:55588 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751883AbbKIQtQ (ORCPT ); Mon, 9 Nov 2015 11:49:16 -0500 From: Laurent Vivier To: martin.petersen@oracle.com Cc: James.Bottomley@HansenPartnership.com, 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 v5 2/2] ibmvscsi: set max_lun to 32 Date: Mon, 9 Nov 2015 17:49:09 +0100 Message-Id: <1447087749-10828-3-git-send-email-lvivier@redhat.com> In-Reply-To: <1447087749-10828-1-git-send-email-lvivier@redhat.com> References: <1447087749-10828-1-git-send-email-lvivier@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1559 Lines: 43 As defined in 4.6.9 of SAM-4, the encoding of LUN is on 5 bits (max_lun=32) and the current value is only 8. Set max_lun to IBMVSCSI_MAX_LUN (32). Signed-off-by: Laurent Vivier --- drivers/scsi/ibmvscsi/ibmvscsi.c | 2 +- drivers/scsi/ibmvscsi/ibmvscsi.h | 1 + 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c index b153150..adfef9d 100644 --- a/drivers/scsi/ibmvscsi/ibmvscsi.c +++ b/drivers/scsi/ibmvscsi/ibmvscsi.c @@ -2289,7 +2289,7 @@ 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 = IBMVSCSI_MAX_LUN; host->max_id = max_id; host->max_channel = max_channel; host->max_cmd_len = 16; diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.h b/drivers/scsi/ibmvscsi/ibmvscsi.h index 7d64867..1067367 100644 --- a/drivers/scsi/ibmvscsi/ibmvscsi.h +++ b/drivers/scsi/ibmvscsi/ibmvscsi.h @@ -48,6 +48,7 @@ struct Scsi_Host; #define IBMVSCSI_CMDS_PER_LUN_DEFAULT 16 #define IBMVSCSI_MAX_SECTORS_DEFAULT 256 /* 32 * 8 = default max I/O 32 pages */ #define IBMVSCSI_MAX_CMDS_PER_LUN 64 +#define IBMVSCSI_MAX_LUN 32 /* ------------------------------------------------------------ * Data Structures -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/