This patch adds definitions to support for different operating modes for LSI rdac storage. Currently, rdac support 3 operation modes. 1. RDAC mode(legacy) 2. AVT mode 3. IOSHIP mode These definitions are used while activating the path(rdac_activate). Signed-off-by: Babu Moger <babu.moger@xxxxxxx> Reviewed-by: Yanling Qi <yanling.qi@xxxxxxx> Reviewed-by: Sudhir Dachepalli <Sudhir.Dachepalli@xxxxxxx> Reviewed-by: Somasundaram Krishnasamy <Somasundaram.Krishnasamy@xxxxxxx> Reviewed-by: Bob Stankey <Robert.Stankey@xxxxxxx> Reviewed-by: Vijay Chauhan <Vijay.Chauhan@xxxxxxx> --- --- linux-2.6.38/drivers/scsi/device_handler/scsi_dh_rdac.c.orig 2011-03-17 16:31:53.000000000 -0500 +++ linux-2.6.38/drivers/scsi/device_handler/scsi_dh_rdac.c 2011-03-17 16:47:52.000000000 -0500 @@ -182,6 +182,12 @@ struct rdac_dh_data { struct rdac_controller *ctlr; #define UNINITIALIZED_LUN (1 << 8) unsigned lun; + +#define RDAC_MODE 0 +#define RDAC_MODE_AVT 1 +#define RDAC_MODE_IOSHIP 2 + unsigned char mode; + #define RDAC_STATE_ACTIVE 0 #define RDAC_STATE_PASSIVE 1 unsigned char state; @@ -190,6 +196,11 @@ struct rdac_dh_data { #define RDAC_LUN_OWNED 1 #define RDAC_LUN_AVT 2 char lun_state; + +#define RDAC_PREFERRED 0 +#define RDAC_NON_PREFERRED 1 + char preferred; + unsigned char sense[SCSI_SENSE_BUFFERSIZE]; union { struct c2_inquiry c2; @@ -199,11 +210,15 @@ struct rdac_dh_data { } inq; }; +static const char *mode[] = { + "RDAC", + "AVT", + "IOSHIP", +}; static const char *lun_state[] = { "unowned", "owned", - "owned (AVT mode)", }; struct rdac_queue_data { @@ -836,8 +851,9 @@ static int rdac_bus_attach(struct scsi_d spin_unlock_irqrestore(sdev->request_queue->queue_lock, flags); sdev_printk(KERN_NOTICE, sdev, - "%s: LUN %d (%s)\n", - RDAC_NAME, h->lun, lun_state[(int)h->lun_state]); + "%s: LUN %d (%s) (%s)\n", + RDAC_NAME, h->lun, mode[(int)h->mode], + lun_state[(int)h->lun_state]); return 0; -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html