drivers/scsi/a100u2w.c

86 static void inia100_scb_handler(struct orc_host *host, struct orc_scb *scb);
274  *	@scb: SCB to queue for execution
277 static void orc_exec_scb(struct orc_host * host, struct orc_scb * scb)
279 	scb->status = ORCSCB_POST;
280 	outb(scb->scbidx, host->base + ORC_PQUEUE);
444 	struct orc_scb *scb;
457 	scb = host->scb_virt;
462 		scb->sg_addr = cpu_to_le32((u32) escb_phys);
463 		scb->sense_addr = cpu_to_le32((u32) escb_phys);
464 		scb->escb = escb;
465 		scb->scbidx = i;
466 		scb++;
597 	struct orc_scb *scb;
604 	scb = (struct orc_scb *) NULL;
614 	/* Find the scb corresponding to the command */
629 	if ((scb = __orc_alloc_scb(host)) == NULL) {
637 	scb->opcode = ORC_BUSDEVRST;
638 	scb->target = target;
639 	scb->hastat = 0;
640 	scb->tastat = 0;
641 	scb->status = 0x0;
642 	scb->link = 0xFF;
643 	scb->reserved0 = 0;
644 	scb->reserved1 = 0;
645 	scb->xferlen = cpu_to_le32(0);
646 	scb->sg_len = cpu_to_le32(0);
650 	orc_exec_scb(host, scb);	/* Start execute SCB            */
698 	struct orc_scb *scb;
702 	scb = __orc_alloc_scb(host);
704 	return scb;
710  *	@scb: SCB that is now free
716 static void orc_release_scb(struct orc_host *host, struct orc_scb *scb)
723 	index = scb->scbidx;
738 static int orchid_abort_scb(struct orc_host * host, struct orc_scb * scb)
747 	outb(scb->scbidx, host->base + ORC_HDATA);	/* Write address */
765 	struct orc_scb *scb;
771 	scb = host->scb_virt;
777 	for (i = 0; i < ORC_MAXQUEUE; i++, scb++) {
778 		escb = scb->escb;
779 		if (scb->status && escb->srb == cmd) {
780 			if (scb->tag_msg == 0) {
784 				if (orchid_abort_scb(host, scb)) {
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;
825 		scb = (struct orc_scb *) ((unsigned long) host->scb_virt + (unsigned long) (sizeof(struct orc_scb) * scb_index));
826 		scb->status = 0x0;
828 		inia100_scb_handler(host, 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)
849 	/* Links between the escb, scb and Linux scsi midlayer cmd */
850 	escb = scb->escb;
855 	scb->opcode = ORC_EXECSCSI;
856 	scb->flags = SCF_NO_DCHK;	/* Clear done bit               */
857 	scb->target = cmd->device->id;
858 	scb->lun = cmd->device->lun;
859 	scb->reserved0 = 0;
860 	scb->reserved1 = 0;
861 	scb->sg_len = cpu_to_le32(0);
863 	scb->xferlen = cpu_to_le32((u32) scsi_bufflen(cmd));
873 		scb->sg_len = cpu_to_le32((u32) (count_sg * 8));
880 		scb->sg_len = cpu_to_le32(0);
884 	scb->sg_addr = (u32) scb->sense_addr;	/* sense_addr is already little endian */
885 	scb->hastat = 0;
886 	scb->tastat = 0;
887 	scb->link = 0xFF;
888 	scb->sense_len = SENSE_SIZE;
889 	scb->cdb_len = cmd->cmd_len;
890 	if (scb->cdb_len >= IMAX_CDB) {
892 		scb->cdb_len = IMAX_CDB;
894 	scb->ident = (u8)(cmd->device->lun & 0xff) | DISC_ALLOW;
896 		scb->tag_msg = SIMPLE_QUEUE_TAG;	/* Do simple tag only   */
898 		scb->tag_msg = 0;	/* No tag support               */
900 	memcpy(scb->cdb, cmd->cmnd, scb->cdb_len);
909  *	block, build the host specific scb structures and if there is room
914 	struct orc_scb *scb;
919 	if ((scb = orc_alloc_scb(host)) == NULL)
922 	if (inia100_build_scb(host, scb, cmd)) {
923 		orc_release_scb(host, scb);
926 	orc_exec_scb(host, scb);	/* Start execute SCB            */
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)
993 	escb = scb->escb;
996 		orc_release_scb(host, scb);	/* Release SCB for current channel */
1001 	switch (scb->hastat) {
1005 		scb->hastat = 0;
1010 		scb->hastat = DID_TIME_OUT;
1017 		scb->hastat = DID_RESET;
1021 		scb->hastat = DID_ABORT;
1031 		printk(KERN_DEBUG "inia100: %x %x\n", scb->hastat, scb->tastat);
1032 		scb->hastat = DID_ERROR;	/* Couldn't find any better */
1036 	if (scb->tastat == 2) {	/* Check condition              */
1040 	cmd->result = scb->tastat | (scb->hastat << 16);
1043 	orc_release_scb(host, scb);	/* Release SCB for current channel */