Esempio n. 1
0
void ibmvscsi_release_crq_queue(struct crq_queue *queue,
				struct ibmvscsi_host_data *hostdata,
				int max_requests)
{
	vio_clearHandler(viomajorsubtype_scsi);
	viopath_close(viopath_hostLp, viomajorsubtype_scsi, max_requests);
}
Esempio n. 2
0
static void __init get_viotape_info(struct device_node *vio_root)
{
	HvLpEvent_Rc hvrc;
	u32 unit;
	struct vio_resource *unitinfo;
	dma_addr_t unitinfo_dmaaddr;
	size_t len = sizeof(*unitinfo) * HVMAXARCHITECTEDVIRTUALTAPES;
	struct vio_waitevent we;
	int ret;

	init_completion(&we.com);

	ret = viopath_open(viopath_hostLp, viomajorsubtype_tape, 2);
	if (ret) {
		printk(KERN_WARNING "get_viotape_info: "
			"error on viopath_open to hostlp %d\n", ret);
		return;
	}

	vio_setHandler(viomajorsubtype_tape, handle_tape_event);

	unitinfo = iseries_hv_alloc(len, &unitinfo_dmaaddr, GFP_ATOMIC);
	if (!unitinfo)
		goto clear_handler;

	memset(unitinfo, 0, len);

	hvrc = HvCallEvent_signalLpEventFast(viopath_hostLp,
			HvLpEvent_Type_VirtualIo,
			viomajorsubtype_tape | viotapegetinfo,
			HvLpEvent_AckInd_DoAck, HvLpEvent_AckType_ImmediateAck,
			viopath_sourceinst(viopath_hostLp),
			viopath_targetinst(viopath_hostLp),
			(u64)(unsigned long)&we, VIOVERSION << 16,
			unitinfo_dmaaddr, len, 0, 0);
	if (hvrc != HvLpEvent_Rc_Good) {
		printk(KERN_WARNING "get_viotape_info: hv error on op %d\n",
				(int)hvrc);
		goto hv_free;
	}

	wait_for_completion(&we.com);

	for (unit = 0; (unit < HVMAXARCHITECTEDVIRTUALTAPES) &&
			unitinfo[unit].rsrcname[0]; unit++) {
		if (!do_device_node(vio_root, "viotape", FIRST_VIOTAPE + unit,
				unit, "byte", "IBM,iSeries-viotape",
				&unitinfo[unit]))
			break;
	}

 hv_free:
	iseries_hv_free(len, unitinfo, unitinfo_dmaaddr);
 clear_handler:
	vio_clearHandler(viomajorsubtype_tape);
	viopath_close(viopath_hostLp, viomajorsubtype_tape, 2);
}
Esempio n. 3
0
static void __init get_viodasd_info(struct device_node *vio_root)
{
	int rc;
	u32 unit;

	rc = viopath_open(viopath_hostLp, viomajorsubtype_blockio, 2);
	if (rc) {
		printk(KERN_WARNING "get_viodasd_info: "
		       "error opening path to host partition %d\n",
		       viopath_hostLp);
		return;
	}

	/* Initialize our request handler */
	vio_setHandler(viomajorsubtype_blockio, handle_block_event);

	for (unit = 0; unit < HVMAXARCHITECTEDVIRTUALDISKS; unit++)
		probe_disk(vio_root, unit);

	vio_clearHandler(viomajorsubtype_blockio);
	viopath_close(viopath_hostLp, viomajorsubtype_blockio, 2);
}
Esempio n. 4
0
static void __init get_viocd_info(struct device_node *vio_root)
{
	HvLpEvent_Rc hvrc;
	u32 unit;
	struct vio_waitevent we;
	struct vio_resource *unitinfo;
	dma_addr_t unitinfo_dmaaddr;
	int ret;

	ret = viopath_open(viopath_hostLp, viomajorsubtype_cdio, 2);
	if (ret) {
		printk(KERN_WARNING
			"get_viocd_info: error opening path to host partition %d\n",
			viopath_hostLp);
		return;
	}

	/* Initialize our request handler */
	vio_setHandler(viomajorsubtype_cdio, handle_cd_event);

	unitinfo = iseries_hv_alloc(
			sizeof(*unitinfo) * HVMAXARCHITECTEDVIRTUALCDROMS,
			&unitinfo_dmaaddr, GFP_ATOMIC);
	if (!unitinfo) {
		printk(KERN_WARNING
			"get_viocd_info: error allocating unitinfo\n");
		goto clear_handler;
	}

	memset(unitinfo, 0, sizeof(*unitinfo) * HVMAXARCHITECTEDVIRTUALCDROMS);

	init_completion(&we.com);

	hvrc = HvCallEvent_signalLpEventFast(viopath_hostLp,
			HvLpEvent_Type_VirtualIo,
			viomajorsubtype_cdio | viocdgetinfo,
			HvLpEvent_AckInd_DoAck, HvLpEvent_AckType_ImmediateAck,
			viopath_sourceinst(viopath_hostLp),
			viopath_targetinst(viopath_hostLp),
			(u64)&we, VIOVERSION << 16, unitinfo_dmaaddr, 0,
			sizeof(*unitinfo) * HVMAXARCHITECTEDVIRTUALCDROMS, 0);
	if (hvrc != HvLpEvent_Rc_Good) {
		printk(KERN_WARNING
			"get_viocd_info: cdrom error sending event. rc %d\n",
			(int)hvrc);
		goto hv_free;
	}

	wait_for_completion(&we.com);

	if (we.rc) {
		printk(KERN_WARNING "get_viocd_info: bad rc %d:0x%04X\n",
			we.rc, we.sub_result);
		goto hv_free;
	}

	for (unit = 0; (unit < HVMAXARCHITECTEDVIRTUALCDROMS) &&
			unitinfo[unit].rsrcname[0]; unit++) {
		if (!do_device_node(vio_root, "viocd", FIRST_VIOCD + unit, unit,
				"block", "IBM,iSeries-viocd", &unitinfo[unit]))
			break;
	}

 hv_free:
	iseries_hv_free(sizeof(*unitinfo) * HVMAXARCHITECTEDVIRTUALCDROMS,
			unitinfo, unitinfo_dmaaddr);
 clear_handler:
	vio_clearHandler(viomajorsubtype_cdio);
	viopath_close(viopath_hostLp, viomajorsubtype_cdio, 2);
}