77 	struct scsi_device	*sdev;  member
103 static struct request *get_alua_req(struct scsi_device *sdev,  in get_alua_req()  argument
107 	struct request_queue *q = sdev->request_queue;  in get_alua_req()
112 		sdev_printk(KERN_INFO, sdev,  in get_alua_req()
120 		sdev_printk(KERN_INFO, sdev,  in get_alua_req()
137 static int submit_vpd_inquiry(struct scsi_device *sdev, struct alua_dh_data *h)  in submit_vpd_inquiry()  argument
142 	rq = get_alua_req(sdev, h->buff, h->bufflen, READ);  in submit_vpd_inquiry()
159 		sdev_printk(KERN_INFO, sdev,  in submit_vpd_inquiry()
174 static unsigned submit_rtpg(struct scsi_device *sdev, struct alua_dh_data *h,  in submit_rtpg()  argument
180 	rq = get_alua_req(sdev, h->buff, h->bufflen, READ);  in submit_rtpg()
202 		sdev_printk(KERN_INFO, sdev,  in submit_rtpg()
241 		err = alua_check_sense(h->sdev, &sense_hdr);  in stpg_endio()
246 		sdev_printk(KERN_INFO, h->sdev,  in stpg_endio()
256 		sdev_printk(KERN_INFO, h->sdev,  in stpg_endio()
282 	struct scsi_device *sdev = h->sdev;  in submit_stpg()  local
290 	rq = get_alua_req(sdev, h->buff, stpg_len, WRITE);  in submit_stpg()
319 static int alua_check_tpgs(struct scsi_device *sdev, struct alua_dh_data *h)  in alua_check_tpgs()  argument
323 	h->tpgs = scsi_device_tpgs(sdev);  in alua_check_tpgs()
326 		sdev_printk(KERN_INFO, sdev,  in alua_check_tpgs()
331 		sdev_printk(KERN_INFO, sdev, "%s: supports explicit TPGS\n",  in alua_check_tpgs()
335 		sdev_printk(KERN_INFO, sdev, "%s: supports implicit TPGS\n",  in alua_check_tpgs()
340 		sdev_printk(KERN_INFO, sdev, "%s: not supported\n",  in alua_check_tpgs()
356 static int alua_vpd_inquiry(struct scsi_device *sdev, struct alua_dh_data *h)  in alua_vpd_inquiry()  argument
363 	err = submit_vpd_inquiry(sdev, h);  in alua_vpd_inquiry()
373 			sdev_printk(KERN_WARNING, sdev,  in alua_vpd_inquiry()
408 		sdev_printk(KERN_INFO, sdev,  in alua_vpd_inquiry()
415 		sdev_printk(KERN_INFO, sdev,  in alua_vpd_inquiry()
445 static int alua_check_sense(struct scsi_device *sdev,  in alua_check_sense()  argument
470 		if (sdev->allow_restart &&  in alua_check_sense()
531 static int alua_rtpg(struct scsi_device *sdev, struct alua_dh_data *h, int wait_for_transition)  in alua_rtpg()  argument
548 	err = submit_rtpg(sdev, h, rtpg_ext_hdr_req);  in alua_rtpg()
571 		err = alua_check_sense(sdev, &sense_hdr);  in alua_rtpg()
574 		sdev_printk(KERN_INFO, sdev,  in alua_rtpg()
589 			sdev_printk(KERN_WARNING, sdev,  in alua_rtpg()
604 		sdev_printk(KERN_INFO, sdev,  in alua_rtpg()
627 	sdev_printk(KERN_INFO, sdev,  in alua_rtpg()
675 static int alua_initialize(struct scsi_device *sdev, struct alua_dh_data *h)  in alua_initialize()  argument
679 	err = alua_check_tpgs(sdev, h);  in alua_initialize()
683 	err = alua_vpd_inquiry(sdev, h);  in alua_initialize()
687 	err = alua_rtpg(sdev, h, 0);  in alua_initialize()
703 static int alua_set_params(struct scsi_device *sdev, const char *params)  in alua_set_params()  argument
705 	struct alua_dh_data *h = sdev->handler_data;  in alua_set_params()
740 static int alua_activate(struct scsi_device *sdev,  in alua_activate()  argument
743 	struct alua_dh_data *h = sdev->handler_data;  in alua_activate()
747 	err = alua_rtpg(sdev, h, 1);  in alua_activate()
799 static int alua_prep_fn(struct scsi_device *sdev, struct request *req)  in alua_prep_fn()  argument
801 	struct alua_dh_data *h = sdev->handler_data;  in alua_prep_fn()
820 static int alua_bus_attach(struct scsi_device *sdev)  in alua_bus_attach()  argument
834 	h->sdev = sdev;  in alua_bus_attach()
836 	err = alua_initialize(sdev, h);  in alua_bus_attach()
840 	sdev->handler_data = h;  in alua_bus_attach()
851 static void alua_bus_detach(struct scsi_device *sdev)  in alua_bus_detach()  argument
853 	struct alua_dh_data *h = sdev->handler_data;  in alua_bus_detach()
857 	sdev->handler_data = NULL;  in alua_bus_detach()