[net-next-2.6.git] / drivers / infiniband / hw / ehca / ehca_hca.c

/*
 *  IBM eServer eHCA Infiniband device driver for Linux on POWER
 *
 *  HCA query functions
 *
 *  Authors: Heiko J Schick <schickhj@de.ibm.com>
 *           Christoph Raisch <raisch@de.ibm.com>
 *
 *  Copyright (c) 2005 IBM Corporation
 *
 *  All rights reserved.
 *
 *  This source code is distributed under a dual license of GPL v2.0 and OpenIB
 *  BSD.
 *
 * OpenIB BSD License
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials
 * provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#include "ehca_tools.h"
#include "ehca_iverbs.h"
#include "hcp_if.h"

int ehca_query_device(struct ib_device *ibdev, struct ib_device_attr *props)
{
	int ret = 0;
	struct ehca_shca *shca = container_of(ibdev, struct ehca_shca,
					      ib_device);
	struct hipz_query_hca *rblock;

	rblock = ehca_alloc_fw_ctrlblock(GFP_KERNEL);
	if (!rblock) {
		ehca_err(&shca->ib_device, "Can't allocate rblock memory.");
		return -ENOMEM;
	}

	if (hipz_h_query_hca(shca->ipz_hca_handle, rblock) != H_SUCCESS) {
		ehca_err(&shca->ib_device, "Can't query device properties");
		ret = -EINVAL;
		goto query_device1;
	}

	memset(props, 0, sizeof(struct ib_device_attr));
	props->fw_ver          = rblock->hw_ver;
	props->max_mr_size     = rblock->max_mr_size;
	props->vendor_id       = rblock->vendor_id >> 8;
	props->vendor_part_id  = rblock->vendor_part_id >> 16;
	props->hw_ver          = rblock->hw_ver;
	props->max_qp          = min_t(int, rblock->max_qp, INT_MAX);
	props->max_qp_wr       = min_t(int, rblock->max_wqes_wq, INT_MAX);
	props->max_sge         = min_t(int, rblock->max_sge, INT_MAX);
	props->max_sge_rd      = min_t(int, rblock->max_sge_rd, INT_MAX);
	props->max_cq          = min_t(int, rblock->max_cq, INT_MAX);
	props->max_cqe         = min_t(int, rblock->max_cqe, INT_MAX);
	props->max_mr          = min_t(int, rblock->max_mr, INT_MAX);
	props->max_mw          = min_t(int, rblock->max_mw, INT_MAX);
	props->max_pd          = min_t(int, rblock->max_pd, INT_MAX);
	props->max_ah          = min_t(int, rblock->max_ah, INT_MAX);
	props->max_fmr         = min_t(int, rblock->max_mr, INT_MAX);
	props->max_srq         = 0;
	props->max_srq_wr      = 0;
	props->max_srq_sge     = 0;
	props->max_pkeys       = 16;
	props->local_ca_ack_delay
		= rblock->local_ca_ack_delay;
	props->max_raw_ipv6_qp
		= min_t(int, rblock->max_raw_ipv6_qp, INT_MAX);
	props->max_raw_ethy_qp
		= min_t(int, rblock->max_raw_ethy_qp, INT_MAX);
	props->max_mcast_grp
		= min_t(int, rblock->max_mcast_grp, INT_MAX);
	props->max_mcast_qp_attach
		= min_t(int, rblock->max_mcast_qp_attach, INT_MAX);
	props->max_total_mcast_qp_attach
		= min_t(int, rblock->max_total_mcast_qp_attach, INT_MAX);

query_device1:
	ehca_free_fw_ctrlblock(rblock);

	return ret;
}

int ehca_query_port(struct ib_device *ibdev,
		    u8 port, struct ib_port_attr *props)
{
	int ret = 0;
	struct ehca_shca *shca = container_of(ibdev, struct ehca_shca,
					      ib_device);
	struct hipz_query_port *rblock;

	rblock = ehca_alloc_fw_ctrlblock(GFP_KERNEL);
	if (!rblock) {
		ehca_err(&shca->ib_device, "Can't allocate rblock memory.");
		return -ENOMEM;
	}

	if (hipz_h_query_port(shca->ipz_hca_handle, port, rblock) != H_SUCCESS) {
		ehca_err(&shca->ib_device, "Can't query port properties");
		ret = -EINVAL;
		goto query_port1;
	}

	memset(props, 0, sizeof(struct ib_port_attr));
	props->state = rblock->state;

	switch (rblock->max_mtu) {
	case 0x1:
		props->active_mtu = props->max_mtu = IB_MTU_256;
		break;
	case 0x2:
		props->active_mtu = props->max_mtu = IB_MTU_512;
		break;
	case 0x3:
		props->active_mtu = props->max_mtu = IB_MTU_1024;
		break;
	case 0x4:
		props->active_mtu = props->max_mtu = IB_MTU_2048;
		break;
	case 0x5:
		props->active_mtu = props->max_mtu = IB_MTU_4096;
		break;
	default:
		ehca_err(&shca->ib_device, "Unknown MTU size: %x.",
			 rblock->max_mtu);
		break;
	}

	props->port_cap_flags  = rblock->capability_mask;
	props->gid_tbl_len     = rblock->gid_tbl_len;
	props->max_msg_sz      = rblock->max_msg_sz;
	props->bad_pkey_cntr   = rblock->bad_pkey_cntr;
	props->qkey_viol_cntr  = rblock->qkey_viol_cntr;
	props->pkey_tbl_len    = rblock->pkey_tbl_len;
	props->lid             = rblock->lid;
	props->sm_lid          = rblock->sm_lid;
	props->lmc             = rblock->lmc;
	props->sm_sl           = rblock->sm_sl;
	props->subnet_timeout  = rblock->subnet_timeout;
	props->init_type_reply = rblock->init_type_reply;

	props->active_width    = IB_WIDTH_12X;
	props->active_speed    = 0x1;

	/* at the moment (logical) link state is always LINK_UP */
	props->phys_state      = 0x5;

query_port1:
	ehca_free_fw_ctrlblock(rblock);

	return ret;
}

int ehca_query_pkey(struct ib_device *ibdev, u8 port, u16 index, u16 *pkey)
{
	int ret = 0;
	struct ehca_shca *shca = container_of(ibdev, struct ehca_shca, ib_device);
	struct hipz_query_port *rblock;

	if (index > 16) {
		ehca_err(&shca->ib_device, "Invalid index: %x.", index);
		return -EINVAL;
	}

	rblock = ehca_alloc_fw_ctrlblock(GFP_KERNEL);
	if (!rblock) {
		ehca_err(&shca->ib_device,  "Can't allocate rblock memory.");
		return -ENOMEM;
	}

	if (hipz_h_query_port(shca->ipz_hca_handle, port, rblock) != H_SUCCESS) {
		ehca_err(&shca->ib_device, "Can't query port properties");
		ret = -EINVAL;
		goto query_pkey1;
	}

	memcpy(pkey, &rblock->pkey_entries + index, sizeof(u16));

query_pkey1:
	ehca_free_fw_ctrlblock(rblock);

	return ret;
}

int ehca_query_gid(struct ib_device *ibdev, u8 port,
		   int index, union ib_gid *gid)
{
	int ret = 0;
	struct ehca_shca *shca = container_of(ibdev, struct ehca_shca,
					      ib_device);
	struct hipz_query_port *rblock;

	if (index > 255) {
		ehca_err(&shca->ib_device, "Invalid index: %x.", index);
		return -EINVAL;
	}

	rblock = ehca_alloc_fw_ctrlblock(GFP_KERNEL);
	if (!rblock) {
		ehca_err(&shca->ib_device, "Can't allocate rblock memory.");
		return -ENOMEM;
	}

	if (hipz_h_query_port(shca->ipz_hca_handle, port, rblock) != H_SUCCESS) {
		ehca_err(&shca->ib_device, "Can't query port properties");
		ret = -EINVAL;
		goto query_gid1;
	}

	memcpy(&gid->raw[0], &rblock->gid_prefix, sizeof(u64));
	memcpy(&gid->raw[8], &rblock->guid_entries[index], sizeof(u64));

query_gid1:
	ehca_free_fw_ctrlblock(rblock);

	return ret;
}

const u32 allowed_port_caps = (
	IB_PORT_SM | IB_PORT_LED_INFO_SUP | IB_PORT_CM_SUP |
	IB_PORT_SNMP_TUNNEL_SUP | IB_PORT_DEVICE_MGMT_SUP |
	IB_PORT_VENDOR_CLASS_SUP);

int ehca_modify_port(struct ib_device *ibdev,
		     u8 port, int port_modify_mask,
		     struct ib_port_modify *props)
{
	int ret = 0;
	struct ehca_shca *shca = container_of(ibdev, struct ehca_shca, ib_device);
	struct hipz_query_port *rblock;
	u32 cap;
	u64 hret;

	if ((props->set_port_cap_mask | props->clr_port_cap_mask)
	    & ~allowed_port_caps) {
		ehca_err(&shca->ib_device, "Non-changeable bits set in masks  "
			 "set=%x  clr=%x  allowed=%x", props->set_port_cap_mask,
			 props->clr_port_cap_mask, allowed_port_caps);
		return -EINVAL;
	}

	if (mutex_lock_interruptible(&shca->modify_mutex))
                return -ERESTARTSYS;

	rblock = ehca_alloc_fw_ctrlblock(GFP_KERNEL);
	if (!rblock) {
		ehca_err(&shca->ib_device,  "Can't allocate rblock memory.");
		ret = -ENOMEM;
		goto modify_port1;
	}

	if (hipz_h_query_port(shca->ipz_hca_handle, port, rblock) != H_SUCCESS) {
		ehca_err(&shca->ib_device, "Can't query port properties");
		ret = -EINVAL;
		goto modify_port2;
	}

	cap = (rblock->capability_mask | props->set_port_cap_mask)
		& ~props->clr_port_cap_mask;

	hret = hipz_h_modify_port(shca->ipz_hca_handle, port,
				  cap, props->init_type, port_modify_mask);
	if (hret != H_SUCCESS) {
		ehca_err(&shca->ib_device, "Modify port failed  hret=%lx", hret);
		ret = -EINVAL;
	}

modify_port2:
	ehca_free_fw_ctrlblock(rblock);

modify_port1:
        mutex_unlock(&shca->modify_mutex);

	return ret;
}
Commit	Line	Data
fab97220 HS	1	/*
	2	* IBM eServer eHCA Infiniband device driver for Linux on POWER
	3	*
	4	* HCA query functions
	5	*
	6	* Authors: Heiko J Schick <schickhj@de.ibm.com>
	7	* Christoph Raisch <raisch@de.ibm.com>
	8	*
	9	* Copyright (c) 2005 IBM Corporation
	10	*
	11	* All rights reserved.
	12	*
	13	* This source code is distributed under a dual license of GPL v2.0 and OpenIB
	14	* BSD.
	15	*
	16	* OpenIB BSD License
	17	*
	18	* Redistribution and use in source and binary forms, with or without
	19	* modification, are permitted provided that the following conditions are met:
	20	*
	21	* Redistributions of source code must retain the above copyright notice, this
	22	* list of conditions and the following disclaimer.
	23	*
	24	* Redistributions in binary form must reproduce the above copyright notice,
	25	* this list of conditions and the following disclaimer in the documentation
	26	* and/or other materials
	27	* provided with the distribution.
	28	*
	29	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
	30	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	31	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	32	* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
	33	* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
	34	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	35	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
	36	* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
	37	* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	38	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
	39	* POSSIBILITY OF SUCH DAMAGE.
	40	*/
	41
	42	#include "ehca_tools.h"
7e28db5d	43	#include "ehca_iverbs.h"
fab97220 HS	44	#include "hcp_if.h"
	45
	46	int ehca_query_device(struct ib_device ibdev, struct ib_device_attr props)
	47	{
	48	int ret = 0;
	49	struct ehca_shca *shca = container_of(ibdev, struct ehca_shca,
	50	ib_device);
	51	struct hipz_query_hca *rblock;
	52
f2d91361	53	rblock = ehca_alloc_fw_ctrlblock(GFP_KERNEL);
fab97220 HS	54	if (!rblock) {
	55	ehca_err(&shca->ib_device, "Can't allocate rblock memory.");
	56	return -ENOMEM;
	57	}
	58
	59	if (hipz_h_query_hca(shca->ipz_hca_handle, rblock) != H_SUCCESS) {
	60	ehca_err(&shca->ib_device, "Can't query device properties");
	61	ret = -EINVAL;
	62	goto query_device1;
	63	}
	64
	65	memset(props, 0, sizeof(struct ib_device_attr));
	66	props->fw_ver = rblock->hw_ver;
	67	props->max_mr_size = rblock->max_mr_size;
	68	props->vendor_id = rblock->vendor_id >> 8;
	69	props->vendor_part_id = rblock->vendor_part_id >> 16;
	70	props->hw_ver = rblock->hw_ver;
	71	props->max_qp = min_t(int, rblock->max_qp, INT_MAX);
	72	props->max_qp_wr = min_t(int, rblock->max_wqes_wq, INT_MAX);
	73	props->max_sge = min_t(int, rblock->max_sge, INT_MAX);
	74	props->max_sge_rd = min_t(int, rblock->max_sge_rd, INT_MAX);
	75	props->max_cq = min_t(int, rblock->max_cq, INT_MAX);
	76	props->max_cqe = min_t(int, rblock->max_cqe, INT_MAX);
	77	props->max_mr = min_t(int, rblock->max_mr, INT_MAX);
	78	props->max_mw = min_t(int, rblock->max_mw, INT_MAX);
	79	props->max_pd = min_t(int, rblock->max_pd, INT_MAX);
	80	props->max_ah = min_t(int, rblock->max_ah, INT_MAX);
	81	props->max_fmr = min_t(int, rblock->max_mr, INT_MAX);
	82	props->max_srq = 0;
	83	props->max_srq_wr = 0;
	84	props->max_srq_sge = 0;
	85	props->max_pkeys = 16;
	86	props->local_ca_ack_delay
	87	= rblock->local_ca_ack_delay;
	88	props->max_raw_ipv6_qp
	89	= min_t(int, rblock->max_raw_ipv6_qp, INT_MAX);
	90	props->max_raw_ethy_qp
	91	= min_t(int, rblock->max_raw_ethy_qp, INT_MAX);
	92	props->max_mcast_grp
	93	= min_t(int, rblock->max_mcast_grp, INT_MAX);
	94	props->max_mcast_qp_attach
	95	= min_t(int, rblock->max_mcast_qp_attach, INT_MAX);
	96	props->max_total_mcast_qp_attach
	97	= min_t(int, rblock->max_total_mcast_qp_attach, INT_MAX);
	98
	99	query_device1:
7e28db5d	100	ehca_free_fw_ctrlblock(rblock);
fab97220 HS	101
	102	return ret;
	103	}
	104
	105	int ehca_query_port(struct ib_device *ibdev,
	106	u8 port, struct ib_port_attr *props)
	107	{
	108	int ret = 0;
	109	struct ehca_shca *shca = container_of(ibdev, struct ehca_shca,
	110	ib_device);
	111	struct hipz_query_port *rblock;
	112
f2d91361	113	rblock = ehca_alloc_fw_ctrlblock(GFP_KERNEL);
fab97220 HS	114	if (!rblock) {
	115	ehca_err(&shca->ib_device, "Can't allocate rblock memory.");
	116	return -ENOMEM;
	117	}
	118
	119	if (hipz_h_query_port(shca->ipz_hca_handle, port, rblock) != H_SUCCESS) {
	120	ehca_err(&shca->ib_device, "Can't query port properties");
	121	ret = -EINVAL;
	122	goto query_port1;
	123	}
	124
	125	memset(props, 0, sizeof(struct ib_port_attr));
	126	props->state = rblock->state;
	127
	128	switch (rblock->max_mtu) {
	129	case 0x1:
	130	props->active_mtu = props->max_mtu = IB_MTU_256;
	131	break;
	132	case 0x2:
	133	props->active_mtu = props->max_mtu = IB_MTU_512;
	134	break;
	135	case 0x3:
	136	props->active_mtu = props->max_mtu = IB_MTU_1024;
	137	break;
	138	case 0x4:
	139	props->active_mtu = props->max_mtu = IB_MTU_2048;
	140	break;
	141	case 0x5:
	142	props->active_mtu = props->max_mtu = IB_MTU_4096;
	143	break;
	144	default:
	145	ehca_err(&shca->ib_device, "Unknown MTU size: %x.",
	146	rblock->max_mtu);
	147	break;
	148	}
	149
c4ed790d	150	props->port_cap_flags = rblock->capability_mask;
fab97220 HS	151	props->gid_tbl_len = rblock->gid_tbl_len;
	152	props->max_msg_sz = rblock->max_msg_sz;
	153	props->bad_pkey_cntr = rblock->bad_pkey_cntr;
	154	props->qkey_viol_cntr = rblock->qkey_viol_cntr;
	155	props->pkey_tbl_len = rblock->pkey_tbl_len;
	156	props->lid = rblock->lid;
	157	props->sm_lid = rblock->sm_lid;
	158	props->lmc = rblock->lmc;
	159	props->sm_sl = rblock->sm_sl;
	160	props->subnet_timeout = rblock->subnet_timeout;
	161	props->init_type_reply = rblock->init_type_reply;
	162
	163	props->active_width = IB_WIDTH_12X;
	164	props->active_speed = 0x1;
	165
6bbcea0d HNN	166	/* at the moment (logical) link state is always LINK_UP */
	167	props->phys_state = 0x5;
	168
fab97220	169	query_port1:
7e28db5d	170	ehca_free_fw_ctrlblock(rblock);
fab97220 HS	171
	172	return ret;
	173	}
	174
	175	int ehca_query_pkey(struct ib_device ibdev, u8 port, u16 index, u16 pkey)
	176	{
	177	int ret = 0;
	178	struct ehca_shca *shca = container_of(ibdev, struct ehca_shca, ib_device);
	179	struct hipz_query_port *rblock;
	180
	181	if (index > 16) {
	182	ehca_err(&shca->ib_device, "Invalid index: %x.", index);
	183	return -EINVAL;
	184	}
	185
f2d91361	186	rblock = ehca_alloc_fw_ctrlblock(GFP_KERNEL);
fab97220 HS	187	if (!rblock) {
	188	ehca_err(&shca->ib_device, "Can't allocate rblock memory.");
	189	return -ENOMEM;
	190	}
	191
	192	if (hipz_h_query_port(shca->ipz_hca_handle, port, rblock) != H_SUCCESS) {
	193	ehca_err(&shca->ib_device, "Can't query port properties");
	194	ret = -EINVAL;
	195	goto query_pkey1;
	196	}
	197
	198	memcpy(pkey, &rblock->pkey_entries + index, sizeof(u16));
	199
	200	query_pkey1:
7e28db5d	201	ehca_free_fw_ctrlblock(rblock);
fab97220 HS	202
	203	return ret;
	204	}
	205
	206	int ehca_query_gid(struct ib_device *ibdev, u8 port,
	207	int index, union ib_gid *gid)
	208	{
	209	int ret = 0;
	210	struct ehca_shca *shca = container_of(ibdev, struct ehca_shca,
	211	ib_device);
	212	struct hipz_query_port *rblock;
	213
	214	if (index > 255) {
	215	ehca_err(&shca->ib_device, "Invalid index: %x.", index);
	216	return -EINVAL;
	217	}
	218
f2d91361	219	rblock = ehca_alloc_fw_ctrlblock(GFP_KERNEL);
fab97220 HS	220	if (!rblock) {
	221	ehca_err(&shca->ib_device, "Can't allocate rblock memory.");
	222	return -ENOMEM;
	223	}
	224
	225	if (hipz_h_query_port(shca->ipz_hca_handle, port, rblock) != H_SUCCESS) {
	226	ehca_err(&shca->ib_device, "Can't query port properties");
	227	ret = -EINVAL;
	228	goto query_gid1;
	229	}
	230
	231	memcpy(&gid->raw[0], &rblock->gid_prefix, sizeof(u64));
	232	memcpy(&gid->raw[8], &rblock->guid_entries[index], sizeof(u64));
	233
	234	query_gid1:
7e28db5d	235	ehca_free_fw_ctrlblock(rblock);
fab97220 HS	236
	237	return ret;
	238	}
	239
c4ed790d JF	240	const u32 allowed_port_caps = (
	241	IB_PORT_SM \| IB_PORT_LED_INFO_SUP \| IB_PORT_CM_SUP \|
	242	IB_PORT_SNMP_TUNNEL_SUP \| IB_PORT_DEVICE_MGMT_SUP \|
	243	IB_PORT_VENDOR_CLASS_SUP);
	244
fab97220 HS	245	int ehca_modify_port(struct ib_device *ibdev,
	246	u8 port, int port_modify_mask,
	247	struct ib_port_modify *props)
	248	{
c4ed790d JF	249	int ret = 0;
	250	struct ehca_shca *shca = container_of(ibdev, struct ehca_shca, ib_device);
	251	struct hipz_query_port *rblock;
	252	u32 cap;
	253	u64 hret;
	254
	255	if ((props->set_port_cap_mask \| props->clr_port_cap_mask)
	256	& ~allowed_port_caps) {
	257	ehca_err(&shca->ib_device, "Non-changeable bits set in masks "
	258	"set=%x clr=%x allowed=%x", props->set_port_cap_mask,
	259	props->clr_port_cap_mask, allowed_port_caps);
	260	return -EINVAL;
	261	}
	262
	263	if (mutex_lock_interruptible(&shca->modify_mutex))
	264	return -ERESTARTSYS;
	265
	266	rblock = ehca_alloc_fw_ctrlblock(GFP_KERNEL);
	267	if (!rblock) {
	268	ehca_err(&shca->ib_device, "Can't allocate rblock memory.");
	269	ret = -ENOMEM;
	270	goto modify_port1;
	271	}
	272
	273	if (hipz_h_query_port(shca->ipz_hca_handle, port, rblock) != H_SUCCESS) {
	274	ehca_err(&shca->ib_device, "Can't query port properties");
	275	ret = -EINVAL;
	276	goto modify_port2;
	277	}
	278
	279	cap = (rblock->capability_mask \| props->set_port_cap_mask)
	280	& ~props->clr_port_cap_mask;
	281
	282	hret = hipz_h_modify_port(shca->ipz_hca_handle, port,
	283	cap, props->init_type, port_modify_mask);
	284	if (hret != H_SUCCESS) {
	285	ehca_err(&shca->ib_device, "Modify port failed hret=%lx", hret);
	286	ret = -EINVAL;
	287	}
	288
	289	modify_port2:
	290	ehca_free_fw_ctrlblock(rblock);
	291
	292	modify_port1:
	293	mutex_unlock(&shca->modify_mutex);
	294
	295	return ret;
fab97220	296	}