86 static void inia100_scb_handler(struct orc_host *host, struct orc_scb *scb);
272  *	orc_exec_scb		-	Queue an SCB with the HA
273  *	@host: host adapter the SCB belongs to
274  *	@scb: SCB to queue for execution
277 static void orc_exec_scb(struct orc_host * host, struct orc_scb * scb)  in orc_exec_scb()  argument
279 	scb->status = ORCSCB_POST;  in orc_exec_scb()
280 	outb(scb->scbidx, host->base + ORC_PQUEUE);  in orc_exec_scb()
444 	struct orc_scb *scb;  in setup_SCBs()  local
449 	/* Setup SCB base and SCB Size registers */  in setup_SCBs()
451 	/* SCB base address 0      */  in setup_SCBs()
453 	/* SCB base address 1      */  in setup_SCBs()
457 	scb = host->scb_virt;  in setup_SCBs()
462 		scb->sg_addr = cpu_to_le32((u32) escb_phys);  in setup_SCBs()
463 		scb->sense_addr = cpu_to_le32((u32) escb_phys);  in setup_SCBs()
464 		scb->escb = escb;  in setup_SCBs()
465 		scb->scbidx = i;  in setup_SCBs()
466 		scb++;  in setup_SCBs()
515 			setup_SCBs(host);	/* Setup SCB base and SCB Size registers */  in init_orchid()
521 			setup_SCBs(host);	/* Setup SCB base and SCB Size registers */  in init_orchid()
528 		setup_SCBs(host);	/* Setup SCB base and SCB Size registers */  in init_orchid()
597 	struct orc_scb *scb;  in orc_device_reset()  local
604 	scb = (struct orc_scb *) NULL;  in orc_device_reset()
614 	/* Find the scb corresponding to the command */  in orc_device_reset()
623 		printk(KERN_ERR "Unable to Reset - No SCB Found\n");  in orc_device_reset()
628 	/* Allocate a new SCB for the reset command to the firmware */  in orc_device_reset()
629 	if ((scb = __orc_alloc_scb(host)) == NULL) {  in orc_device_reset()
635 	/* Reset device is handled by the firmware, we fill in an SCB and  in orc_device_reset()
637 	scb->opcode = ORC_BUSDEVRST;  in orc_device_reset()
638 	scb->target = target;  in orc_device_reset()
639 	scb->hastat = 0;  in orc_device_reset()
640 	scb->tastat = 0;  in orc_device_reset()
641 	scb->status = 0x0;  in orc_device_reset()
642 	scb->link = 0xFF;  in orc_device_reset()
643 	scb->reserved0 = 0;  in orc_device_reset()
644 	scb->reserved1 = 0;  in orc_device_reset()
645 	scb->xferlen = cpu_to_le32(0);  in orc_device_reset()
646 	scb->sg_len = cpu_to_le32(0);  in orc_device_reset()
650 	orc_exec_scb(host, scb);	/* Start execute SCB            */  in orc_device_reset()
656  *	__orc_alloc_scb		-		allocate an SCB
659  *	Allocate an SCB and return a pointer to the SCB object. NULL
660  *	is returned if no SCB is free. The caller must already hold
689  *	orc_alloc_scb		-		allocate an SCB
692  *	Allocate an SCB and return a pointer to the SCB object. NULL
693  *	is returned if no SCB is free.
698 	struct orc_scb *scb;  in orc_alloc_scb()  local
702 	scb = __orc_alloc_scb(host);  in orc_alloc_scb()
704 	return scb;  in orc_alloc_scb()
708  *	orc_release_scb			-	release an SCB
709  *	@host: host owning the SCB
710  *	@scb: SCB that is now free
712  *	Called to return a completed SCB to the allocation pool. Before
713  *	calling the SCB must be out of use on both the host and the HA.
716 static void orc_release_scb(struct orc_host *host, struct orc_scb *scb)  in orc_release_scb()  argument
723 	index = scb->scbidx;  in orc_release_scb()
738 static int orchid_abort_scb(struct orc_host * host, struct orc_scb * scb)  in orchid_abort_scb()  argument
747 	outb(scb->scbidx, host->base + ORC_HDATA);	/* Write address */  in orchid_abort_scb()
765 	struct orc_scb *scb;  in inia100_abort_cmd()  local
771 	scb = host->scb_virt;  in inia100_abort_cmd()
773 	/* Walk the queue until we find the SCB that belongs to the command  in inia100_abort_cmd()
777 	for (i = 0; i < ORC_MAXQUEUE; i++, scb++) {  in inia100_abort_cmd()
778 		escb = scb->escb;  in inia100_abort_cmd()
779 		if (scb->status && escb->srb == cmd) {  in inia100_abort_cmd()
780 			if (scb->tag_msg == 0) {  in inia100_abort_cmd()
784 				if (orchid_abort_scb(host, scb)) {  in inia100_abort_cmd()
804  *	scb's for processing we pull them off the controller, turn the
805  *	index into a host address pointer to the scb and call the scb
814 	struct orc_scb *scb;  in orc_interrupt()  local
816 	/* Check if we have an SCB queued for servicing */  in orc_interrupt()
821 		/* Get the SCB index of the SCB to service */  in orc_interrupt()
825 …scb = (struct orc_scb *) ((unsigned long) host->scb_virt + (unsigned long) (sizeof(struct orc_scb)…  in orc_interrupt()
826 		scb->status = 0x0;  in orc_interrupt()
827 		/* Process the SCB */  in orc_interrupt()
828 		inia100_scb_handler(host, scb);  in orc_interrupt()
834  *	inia100_build_scb	-	build SCB
836  *	@scb: control block to use
842 static int inia100_build_scb(struct orc_host * host, struct orc_scb * scb, struct scsi_cmnd * cmd)  in inia100_build_scb()  argument
843 {				/* Create corresponding SCB     */  in inia100_build_scb()
849 	/* Links between the escb, scb and Linux scsi midlayer cmd */  in inia100_build_scb()
850 	escb = scb->escb;  in inia100_build_scb()
854 	/* Set up the SCB to do a SCSI command block */  in inia100_build_scb()
855 	scb->opcode = ORC_EXECSCSI;  in inia100_build_scb()
856 	scb->flags = SCF_NO_DCHK;	/* Clear done bit               */  in inia100_build_scb()
857 	scb->target = cmd->device->id;  in inia100_build_scb()
858 	scb->lun = cmd->device->lun;  in inia100_build_scb()
859 	scb->reserved0 = 0;  in inia100_build_scb()
860 	scb->reserved1 = 0;  in inia100_build_scb()
861 	scb->sg_len = cpu_to_le32(0);  in inia100_build_scb()
863 	scb->xferlen = cpu_to_le32((u32) scsi_bufflen(cmd));  in inia100_build_scb()
873 		scb->sg_len = cpu_to_le32((u32) (count_sg * 8));  in inia100_build_scb()
880 		scb->sg_len = cpu_to_le32(0);  in inia100_build_scb()
884 	scb->sg_addr = (u32) scb->sense_addr;	/* sense_addr is already little endian */  in inia100_build_scb()
885 	scb->hastat = 0;  in inia100_build_scb()
886 	scb->tastat = 0;  in inia100_build_scb()
887 	scb->link = 0xFF;  in inia100_build_scb()
888 	scb->sense_len = SENSE_SIZE;  in inia100_build_scb()
889 	scb->cdb_len = cmd->cmd_len;  in inia100_build_scb()
890 	if (scb->cdb_len >= IMAX_CDB) {  in inia100_build_scb()
892 		scb->cdb_len = IMAX_CDB;  in inia100_build_scb()
894 	scb->ident = (u8)(cmd->device->lun & 0xff) | DISC_ALLOW;  in inia100_build_scb()
896 		scb->tag_msg = SIMPLE_QUEUE_TAG;	/* Do simple tag only   */  in inia100_build_scb()
898 		scb->tag_msg = 0;	/* No tag support               */  in inia100_build_scb()
900 	memcpy(scb->cdb, cmd->cmnd, scb->cdb_len);  in inia100_build_scb()
909  *	block, build the host specific scb structures and if there is room
914 	struct orc_scb *scb;  in inia100_queue_lck()  local
919 	if ((scb = orc_alloc_scb(host)) == NULL)  in inia100_queue_lck()
922 	if (inia100_build_scb(host, scb, cmd)) {  in inia100_queue_lck()
923 		orc_release_scb(host, scb);  in inia100_queue_lck()
926 	orc_exec_scb(host, scb);	/* Start execute SCB            */  in inia100_queue_lck()
981  *	@scb: SCB the controller returned as needing processing
985  *	the complete with the midlayer and recycle the scb.
988 static void inia100_scb_handler(struct orc_host *host, struct orc_scb *scb)  in inia100_scb_handler()  argument
993 	escb = scb->escb;  in inia100_scb_handler()
996 		orc_release_scb(host, scb);	/* Release SCB for current channel */  in inia100_scb_handler()
1001 	switch (scb->hastat) {  in inia100_scb_handler()
1005 		scb->hastat = 0;  in inia100_scb_handler()
1010 		scb->hastat = DID_TIME_OUT;  in inia100_scb_handler()
1017 		scb->hastat = DID_RESET;  in inia100_scb_handler()
1020 	case 0x1a:		/* SCB Aborted. 07/21/98 */  in inia100_scb_handler()
1021 		scb->hastat = DID_ABORT;  in inia100_scb_handler()
1031 		printk(KERN_DEBUG "inia100: %x %x\n", scb->hastat, scb->tastat);  in inia100_scb_handler()
1032 		scb->hastat = DID_ERROR;	/* Couldn't find any better */  in inia100_scb_handler()
1036 	if (scb->tastat == 2) {	/* Check condition              */  in inia100_scb_handler()
1040 	cmd->result = scb->tastat | (scb->hastat << 16);  in inia100_scb_handler()
1043 	orc_release_scb(host, scb);	/* Release SCB for current channel */  in inia100_scb_handler()
1119 	/* Get total memory needed for SCB */  in inia100_probe_one()
1124 		printk("inia100: SCB memory allocation error\n");  in inia100_probe_one()