147 static cmdlist_t * cmd_alloc(ctlr_info_t *h, int get_from_pool);
148 static void cmd_free(ctlr_info_t *h, cmdlist_t *c, int got_from_pool);
166 static int ida_ctlr_ioctl(ctlr_info_t *h, int dsk, ida_ioctl_t *io);
169 static void start_io(ctlr_info_t *h);
233 	ctlr_info_t *h = (ctlr_info_t*)m->private;  in ida_proc_show()  local
240 	ctlr = h->ctlr;  in ida_proc_show()
252 		h->devname,   in ida_proc_show()
253 		h->product_name,  in ida_proc_show()
254 		(unsigned long)h->board_id,  in ida_proc_show()
255 		h->firm_rev[0], h->firm_rev[1], h->firm_rev[2], h->firm_rev[3],  in ida_proc_show()
256 		(unsigned long)h->ctlr_sig, (unsigned long)h->vaddr,  in ida_proc_show()
257 		(unsigned int) h->io_mem_addr, (unsigned int)h->intr,  in ida_proc_show()
258 		h->log_drives, h->phys_drives,  in ida_proc_show()
259 		h->Qdepth, h->maxQsinceinit);  in ida_proc_show()
263 	for(i=0; i<h->log_drives; i++) {  in ida_proc_show()
264 		drv = &h->drv[i];  in ida_proc_show()
270 	spin_lock_irqsave(IDA_LOCK(h->ctlr), flags);   in ida_proc_show()
273 	c = h->reqQ;  in ida_proc_show()
276 	while(c && c != h->reqQ) {  in ida_proc_show()
281 	c = h->cmpQ;  in ida_proc_show()
284 	while(c && c != h->cmpQ) {  in ida_proc_show()
290 	spin_unlock_irqrestore(IDA_LOCK(h->ctlr), flags);   in ida_proc_show()
293 			h->nr_allocs, h->nr_frees);  in ida_proc_show()
906 	ctlr_info_t *h = q->queuedata;  in do_ida_request()  local
919 	if ((c = cmd_alloc(h,1)) == NULL)  in do_ida_request()
924 	c->ctlr = h->ctlr;  in do_ida_request()
925 	c->hdr.unit = (drv_info_t *)(creq->rq_disk->private_data) - h->drv;  in do_ida_request()
946 		c->req.sg[i].addr = (__u32) pci_map_page(h->pci_dev,  in do_ida_request()
958 	addQ(&h->reqQ, c);  in do_ida_request()
959 	h->Qdepth++;  in do_ida_request()
960 	if (h->Qdepth > h->maxQsinceinit)   in do_ida_request()
961 		h->maxQsinceinit = h->Qdepth;  in do_ida_request()
966 	start_io(h);  in do_ida_request()
975 static void start_io(ctlr_info_t *h)  in start_io()  argument
979 	while((c = h->reqQ) != NULL) {  in start_io()
981 		if (h->access.fifo_full(h) == 0)  in start_io()
985 		removeQ(&h->reqQ, c);  in start_io()
986 		h->Qdepth--;  in start_io()
989 		h->access.submit_command(h, c);  in start_io()
992 		addQ(&h->cmpQ, c);  in start_io()
1045 	ctlr_info_t *h = dev_id;  in do_ida_intr()  local
1051 	istat = h->access.intr_pending(h);  in do_ida_intr()
1060 	spin_lock_irqsave(IDA_LOCK(h->ctlr), flags);  in do_ida_intr()
1062 		while((a = h->access.command_completed(h))) {  in do_ida_intr()
1064 			if ((c = h->cmpQ) == NULL)  in do_ida_intr()
1071 				if (c == h->cmpQ)   in do_ida_intr()
1079 				removeQ(&h->cmpQ, c);  in do_ida_intr()
1091 					cmd_free(h, c, 1);  in do_ida_intr()
1103 	do_ida_request(h->queue);  in do_ida_intr()
1104 	spin_unlock_irqrestore(IDA_LOCK(h->ctlr), flags);   in do_ida_intr()
1116 	ctlr_info_t *h = (ctlr_info_t*)tdata;  in ida_timer()  local
1118 	h->timer.expires = jiffies + IDA_TIMER;  in ida_timer()
1119 	add_timer(&h->timer);  in ida_timer()
1120 	h->misc_tflags = 0;  in ida_timer()
1234 static int ida_ctlr_ioctl(ctlr_info_t *h, int dsk, ida_ioctl_t *io)  in ida_ctlr_ioctl()  argument
1236 	int ctlr = h->ctlr;  in ida_ctlr_ioctl()
1242 	if ((c = cmd_alloc(h, 0)) == NULL)  in ida_ctlr_ioctl()
1260 			cmd_free(h, c, 0);  in ida_ctlr_ioctl()
1263 		c->req.hdr.blk = pci_map_single(h->pci_dev, &(io->c),   in ida_ctlr_ioctl()
1267 		c->req.sg[0].addr = pci_map_single(h->pci_dev, p,   in ida_ctlr_ioctl()
1278                         cmd_free(h, c, 0);  in ida_ctlr_ioctl()
1283 		c->req.sg[0].addr = pci_map_single(h->pci_dev, p,   in ida_ctlr_ioctl()
1295 			cmd_free(h, c, 0);  in ida_ctlr_ioctl()
1299 		c->req.sg[0].addr = pci_map_single(h->pci_dev, p,   in ida_ctlr_ioctl()
1305 		c->req.sg[0].addr = pci_map_single(h->pci_dev,&io->c,   in ida_ctlr_ioctl()
1312 	addQ(&h->reqQ, c);  in ida_ctlr_ioctl()
1313 	h->Qdepth++;  in ida_ctlr_ioctl()
1314 	start_io(h);  in ida_ctlr_ioctl()
1322 	pci_unmap_single(h->pci_dev, c->req.sg[0].addr, c->req.sg[0].size,   in ida_ctlr_ioctl()
1327 		pci_unmap_single(h->pci_dev, c->req.hdr.blk,  in ida_ctlr_ioctl()
1350 	cmd_free(h, c, 0);  in ida_ctlr_ioctl()
1360 static cmdlist_t * cmd_alloc(ctlr_info_t *h, int get_from_pool)  in cmd_alloc()  argument
1367 		c = (cmdlist_t*)pci_alloc_consistent(h->pci_dev,   in cmd_alloc()
1373 			i = find_first_zero_bit(h->cmd_pool_bits, NR_CMDS);  in cmd_alloc()
1376 		} while(test_and_set_bit(i&(BITS_PER_LONG-1), h->cmd_pool_bits+(i/BITS_PER_LONG)) != 0);  in cmd_alloc()
1377 		c = h->cmd_pool + i;  in cmd_alloc()
1378 		cmd_dhandle = h->cmd_pool_dhandle + i*sizeof(cmdlist_t);  in cmd_alloc()
1379 		h->nr_allocs++;  in cmd_alloc()
1387 static void cmd_free(ctlr_info_t *h, cmdlist_t *c, int got_from_pool)  in cmd_free()  argument
1392 		pci_free_consistent(h->pci_dev, sizeof(cmdlist_t), c,  in cmd_free()
1395 		i = c - h->cmd_pool;  in cmd_free()
1396 		clear_bit(i&(BITS_PER_LONG-1), h->cmd_pool_bits+(i/BITS_PER_LONG));  in cmd_free()
1397 		h->nr_frees++;  in cmd_free()