[openib-general] [PATCH 14/17] ehca: hardware interface

Heiko J Schick schihei at de.ibm.com
Fri Mar 10 04:12:03 PST 2006


Signed-off-by: Heiko J Schick <schickhj at de.ibm.com>


  hipz_fns.h      |   82 +++++++++++
  hipz_fns_core.h |  126 +++++++++++++++++
  hipz_hw.h       |  398 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  3 files changed, 606 insertions(+)



--- linux-2.6.16-rc4-orig/drivers/infiniband/hw/ehca/hipz_fns.h	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.16-rc4/drivers/infiniband/hw/ehca/hipz_fns.h	2006-02-27 18:00:33.000000000 +0100
@@ -0,0 +1,82 @@
+/*
+ *  IBM eServer eHCA Infiniband device driver for Linux on POWER
+ *
+ *  HW abstraction register functions
+ *
+ *  Authors: Christoph Raisch <raisch at de.ibm.com>
+ *           Reinhard Ernst <rernst at 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.
+ *
+ *  $Id: hipz_fns.h,v 1.4 2006/02/27 17:00:33 nguyen Exp $
+ */
+
+#ifndef __HIPZ_FNS_H__
+#define __HIPZ_FNS_H__
+
+#include "ehca_classes.h"
+#include "hipz_hw.h"
+#ifndef EHCA_USE_HCALL
+#include "sim_gal.h"
+#endif
+
+#include "hipz_fns_core.h"
+
+#define hipz_galpa_store_eq(gal,offset,value)\
+	hipz_galpa_store(gal,EQTEMM_OFFSET(offset),value)
+#define hipz_galpa_load_eq(gal,offset)\
+	hipz_galpa_load(gal,EQTEMM_OFFSET(offset))
+
+#define hipz_galpa_store_qped(gal,offset,value)\
+	hipz_galpa_store(gal,QPEDMM_OFFSET(offset),value)
+#define hipz_galpa_load_qped(gal,offset)\
+	hipz_galpa_load(gal,QPEDMM_OFFSET(offset))
+
+#define hipz_galpa_store_mrmw(gal,offset,value)\
+	hipz_galpa_store(gal,MRMWMM_OFFSET(offset),value)
+#define hipz_galpa_load_mrmw(gal,offset)\
+	hipz_galpa_load(gal,MRMWMM_OFFSET(offset))
+
+inline static void hipz_load_FEC(struct ehca_cq_core *cq_core, u32 * count)
+{
+	uint64_t reg = 0;
+	EDEB_EN(7, "cq_core=%p", cq_core);
+	{
+	  struct h_galpa gal = cq_core->galpas.kernel;
+	  reg = hipz_galpa_load_cq(gal, cqx_fec);
+	  *count = EHCA_BMASK_GET(CQX_FEC_CQE_CNT, reg);
+	}
+	EDEB_EX(7,"cq_core=%p CQx_FEC=%lx", cq_core,reg);
+}
+
+#endif /* __IPZ_IF_H__ */
--- linux-2.6.16-rc4-orig/drivers/infiniband/hw/ehca/hipz_fns_core.h	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.16-rc4/drivers/infiniband/hw/ehca/hipz_fns_core.h	2006-02-28 11:04:58.000000000 +0100
@@ -0,0 +1,126 @@
+/*
+ *  IBM eServer eHCA Infiniband device driver for Linux on POWER
+ *
+ *  HW abstraction register functions
+ *
+ *  Authors: Christoph Raisch <raisch at de.ibm.com>
+ *           Heiko J Schick <schickhj at de.ibm.com>
+ *           Hoang-Nam Nguyen <hnguyen at de.ibm.com>
+ *           Reinhard Ernst <rernst at 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.
+ *
+ *  $Id: hipz_fns_core.h,v 1.4 2006/02/28 10:04:58 nguyen Exp $
+ */
+
+#ifndef __HIPZ_FNS_CORE_H__
+#define __HIPZ_FNS_CORE_H__
+
+#include "hcp_phyp.h"
+#include "hipz_hw.h"
+
+#define hipz_galpa_store_cq(gal,offset,value)\
+	hipz_galpa_store(gal,CQTEMM_OFFSET(offset),value)
+#define hipz_galpa_load_cq(gal,offset)\
+	hipz_galpa_load(gal,CQTEMM_OFFSET(offset))
+
+#define hipz_galpa_store_qp(gal,offset,value)\
+	hipz_galpa_store(gal,QPTEMM_OFFSET(offset),value)
+#define hipz_galpa_load_qp(gal,offset)\
+	hipz_galpa_load(gal,QPTEMM_OFFSET(offset))
+
+inline static void hipz_update_SQA(struct ehca_qp_core *qp_core, u16 nr_wqes)
+{
+	struct h_galpa gal;
+
+	EDEB_EN(7, "qp_core=%p", qp_core);
+	gal = qp_core->galpas.kernel;
+	/*  ringing doorbell :-) */
+	hipz_galpa_store_qp(gal, qpx_sqa, EHCA_BMASK_SET(QPX_SQADDER, nr_wqes));
+	EDEB_EX(7, "qp_core=%p QPx_SQA = %i", qp_core, nr_wqes);
+}
+
+inline static void hipz_update_RQA(struct ehca_qp_core *qp_core, u16 nr_wqes)
+{
+	struct h_galpa gal;
+
+	EDEB_EN(7, "qp_core=%p", qp_core);
+	gal = qp_core->galpas.kernel;
+	/*  ringing doorbell :-) */
+	hipz_galpa_store_qp(gal, qpx_rqa, EHCA_BMASK_SET(QPX_RQADDER, nr_wqes));
+	EDEB_EX(7, "qp_core=%p QPx_RQA = %i", qp_core, nr_wqes);
+}
+
+inline static void hipz_update_FECA(struct ehca_cq_core *cq_core, u32 nr_cqes)
+{
+	struct h_galpa gal;
+
+	EDEB_EN(7, "cq_core=%p", cq_core);
+	gal = cq_core->galpas.kernel;
+	hipz_galpa_store_cq(gal, cqx_feca,
+			    EHCA_BMASK_SET(CQX_FECADDER, nr_cqes));
+	EDEB_EX(7, "cq_core=%p CQx_FECA = %i", cq_core, nr_cqes);
+}
+
+inline static void hipz_set_CQx_N0(struct ehca_cq_core *cq_core, u32 value)
+{
+	struct h_galpa gal;
+	u64 CQx_N0_reg = 0;
+
+	EDEB_EN(7, "cq_core=%p event on solicited completion -- write CQx_N0",
+		cq_core);
+	gal = cq_core->galpas.kernel;
+	hipz_galpa_store_cq(gal, cqx_n0,
+			    EHCA_BMASK_SET(CQX_N0_GENERATE_SOLICITED_COMP_EVENT,
+					   value));
+	CQx_N0_reg = hipz_galpa_load_cq(gal, cqx_n0);
+	EDEB_EX(7, "cq_core=%p loaded CQx_N0=%lx", cq_core,
+		(unsigned long)CQx_N0_reg);
+}
+
+inline static void hipz_set_CQx_N1(struct ehca_cq_core *cq_core, u32 value)
+{
+	struct h_galpa gal;
+	u64 CQx_N1_reg = 0;
+
+	EDEB_EN(7, "cq_core=%p event on completion -- write CQx_N1",
+		cq_core);
+	gal = cq_core->galpas.kernel;
+	hipz_galpa_store_cq(gal, cqx_n1,
+			    EHCA_BMASK_SET(CQX_N1_GENERATE_COMP_EVENT, value));
+	CQx_N1_reg = hipz_galpa_load_cq(gal, cqx_n1);
+	EDEB_EX(7, "cq_core=%p loaded CQx_N1=%lx", cq_core,
+		(unsigned long)CQx_N1_reg);
+}
+
+#endif /* __HIPZ_FNC_CORE_H__ */
--- linux-2.6.16-rc4-orig/drivers/infiniband/hw/ehca/hipz_hw.h	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.16-rc4/drivers/infiniband/hw/ehca/hipz_hw.h	2006-03-08 16:04:23.000000000 +0100
@@ -0,0 +1,398 @@
+/*
+ *  IBM eServer eHCA Infiniband device driver for Linux on POWER
+ *
+ *  eHCA register definitions
+ *
+ *  Authors: Christoph Raisch <raisch at de.ibm.com>
+ *           Reinhard Ernst <rernst at de.ibm.com>
+ *           Waleri Fomin <fomin at 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.
+ *
+ *  $Id: hipz_hw.h,v 1.7 2006/03/08 13:35:46 schickhj Exp $
+ */
+
+#ifndef __HIPZ_HW_H__
+#define __HIPZ_HW_H__
+
+#include "ehca_tools.h"
+#include "ehca_kernel.h"
+
+/** QP Table Entry Memory Map
+ */
+struct hipz_qptemm {
+	u64 qpx_hcr;
+	u64 qpx_c;
+	u64 qpx_herr;
+	u64 qpx_aer;
+/* 0x20*/
+	u64 qpx_sqa;
+	u64 qpx_sqc;
+	u64 qpx_rqa;
+	u64 qpx_rqc;
+/* 0x40*/
+	u64 qpx_st;
+	u64 qpx_pmstate;
+	u64 qpx_pmfa;
+	u64 qpx_pkey;
+/* 0x60*/
+	u64 qpx_pkeya;
+	u64 qpx_pkeyb;
+	u64 qpx_pkeyc;
+	u64 qpx_pkeyd;
+/* 0x80*/
+	u64 qpx_qkey;
+	u64 qpx_dqp;
+	u64 qpx_dlidp;
+	u64 qpx_portp;
+/* 0xa0*/
+	u64 qpx_slidp;
+	u64 qpx_slidpp;
+	u64 qpx_dlida;
+	u64 qpx_porta;
+/* 0xc0*/
+	u64 qpx_slida;
+	u64 qpx_slidpa;
+	u64 qpx_slvl;
+	u64 qpx_ipd;
+/* 0xe0*/
+	u64 qpx_mtu;
+	u64 qpx_lato;
+	u64 qpx_rlimit;
+	u64 qpx_rnrlimit;
+/* 0x100*/
+	u64 qpx_t;
+	u64 qpx_sqhp;
+	u64 qpx_sqptp;
+	u64 qpx_nspsn;
+/* 0x120*/
+	u64 qpx_nspsnhwm;
+	u64 reserved1;
+	u64 qpx_sdsi;
+	u64 qpx_sdsbc;
+/* 0x140*/
+	u64 qpx_sqwsize;
+	u64 qpx_sqwts;
+	u64 qpx_lsn;
+	u64 qpx_nssn;
+/* 0x160 */
+	u64 qpx_mor;
+	u64 qpx_cor;
+	u64 qpx_sqsize;
+	u64 qpx_erc;
+/* 0x180*/
+	u64 qpx_rnrrc;
+	u64 qpx_ernrwt;
+	u64 qpx_rnrresp;
+	u64 qpx_lmsna;
+/* 0x1a0 */
+	u64 qpx_sqhpc;
+	u64 qpx_sqcptp;
+	u64 qpx_sigt;
+	u64 qpx_wqecnt;
+/* 0x1c0*/
+
+	u64 qpx_rqhp;
+	u64 qpx_rqptp;
+	u64 qpx_rqsize;
+	u64 qpx_nrr;
+/* 0x1e0*/
+	u64 qpx_rdmac;
+	u64 qpx_nrpsn;
+	u64 qpx_lapsn;
+	u64 qpx_lcr;
+/* 0x200*/
+	u64 qpx_rwc;
+	u64 qpx_rwva;
+	u64 qpx_rdsi;
+	u64 qpx_rdsbc;
+/* 0x220*/
+	u64 qpx_rqwsize;
+	u64 qpx_crmsn;
+	u64 qpx_rdd;
+	u64 qpx_larpsn;
+/* 0x240*/
+	u64 qpx_pd;
+	u64 qpx_scqn;
+	u64 qpx_rcqn;
+	u64 qpx_aeqn;
+/* 0x260*/
+	u64 qpx_aaelog;
+	u64 qpx_ram;
+	u64 qpx_rdmaqe0;
+	u64 qpx_rdmaqe1;
+/* 0x280*/
+	u64 qpx_rdmaqe2;
+	u64 qpx_rdmaqe3;
+	u64 qpx_nrpsnhwm;
+/* 0x298*/
+	u64 reserved[(0x400 - 0x298) / 8];
+/* 0x400 extended data */
+	u64 reserved_ext[(0x500 - 0x400) / 8];
+/* 0x500 */
+	u64 reserved2[(0x1000 - 0x500) / 8];
+/* 0x1000      */
+};
+
+#define QPX_SQADDER EHCA_BMASK_IBM(48,63)
+#define QPX_RQADDER EHCA_BMASK_IBM(48,63)
+
+#define QPTEMM_OFFSET(x) offsetof(struct hipz_qptemm,x)
+
+/** MRMWPT Entry Memory Map
+ */
+struct hipz_mrmwmm {
+	/* 0x00 */
+	u64 mrx_hcr;
+
+	u64 mrx_c;
+	u64 mrx_herr;
+	u64 mrx_aer;
+	/* 0x20 */
+	u64 mrx_pp;
+	u64 reserved1;
+	u64 reserved2;
+	u64 reserved3;
+	/* 0x40 */
+	u64 reserved4[(0x200 - 0x40) / 8];
+	/* 0x200 */
+	u64 mrx_ctl[64];
+
+};
+
+#define MRX_HCR_LPARID_VALID EHCA_BMASK_IBM(0,0)
+
+#define MRMWMM_OFFSET(x) offsetof(struct hipz_mrmwmm,x)
+
+struct hipz_qpedmm {
+	/* 0x00 */
+	u64 reserved0[(0x400) / 8];
+	/* 0x400 */
+	u64 qpedx_phh;
+	u64 qpedx_ppsgp;
+	/* 0x410 */
+	u64 qpedx_ppsgu;
+	u64 qpedx_ppdgp;
+	/* 0x420 */
+	u64 qpedx_ppdgu;
+	u64 qpedx_aph;
+	/* 0x430 */
+	u64 qpedx_apsgp;
+	u64 qpedx_apsgu;
+	/* 0x440 */
+	u64 qpedx_apdgp;
+	u64 qpedx_apdgu;
+	/* 0x450 */
+	u64 qpedx_apav;
+	u64 qpedx_apsav;
+	/* 0x460  */
+	u64 qpedx_hcr;
+	u64 reserved1[4];
+	/* 0x488 */
+	u64 qpedx_rrl0;
+	/* 0x490 */
+	u64 qpedx_rrrkey0;
+	u64 qpedx_rrva0;
+	/* 0x4a0 */
+	u64 reserved2;
+	u64 qpedx_rrl1;
+	/* 0x4b0 */
+	u64 qpedx_rrrkey1;
+	u64 qpedx_rrva1;
+	/* 0x4c0 */
+	u64 reserved3;
+	u64 qpedx_rrl2;
+	/* 0x4d0 */
+	u64 qpedx_rrrkey2;
+	u64 qpedx_rrva2;
+	/* 0x4e0 */
+	u64 reserved4;
+	u64 qpedx_rrl3;
+	/* 0x4f0 */
+	u64 qpedx_rrrkey3;
+	u64 qpedx_rrva3;
+};
+
+#define QPEDMM_OFFSET(x) offsetof(struct hipz_QPEDMM,x)
+
+/** CQ Table Entry Memory Map
+ */
+struct hipz_cqtemm {
+	u64 cqx_hcr;
+	u64 cqx_c;
+	u64 cqx_herr;
+	u64 cqx_aer;
+/* 0x20  */
+	u64 cqx_ptp;
+	u64 cqx_tp;
+	u64 cqx_fec;
+	u64 cqx_feca;
+/* 0x40  */
+	u64 cqx_ep;
+	u64 cqx_eq;
+/* 0x50  */
+	u64 reserved1;
+	u64 cqx_n0;
+/* 0x60  */
+	u64 cqx_n1;
+	u64 reserved2[(0x1000 - 0x60) / 8];
+/* 0x1000 */
+};
+
+#define CQX_FEC_CQE_CNT           EHCA_BMASK_IBM(32,63)
+#define CQX_FECADDER              EHCA_BMASK_IBM(32,63)
+#define CQX_N0_GENERATE_SOLICITED_COMP_EVENT EHCA_BMASK_IBM(0,0)
+#define CQX_N1_GENERATE_COMP_EVENT EHCA_BMASK_IBM(0,0)
+
+#define CQTEMM_OFFSET(x) offsetof(struct hipz_cqtemm,x)
+
+/** EQ Table Entry Memory Map
+ */
+struct hipz_eqtemm {
+	u64 eqx_hcr;
+	u64 eqx_c;
+
+	u64 eqx_herr;
+	u64 eqx_aer;
+/* 0x20 */
+	u64 eqx_ptp;
+	u64 eqx_tp;
+	u64 eqx_ssba;
+	u64 eqx_psba;
+
+/* 0x40 */
+	u64 eqx_cec;
+	u64 eqx_meql;
+	u64 eqx_xisbi;
+	u64 eqx_xisc;
+/* 0x60 */
+	u64 eqx_it;
+
+};
+
+#define EQTEMM_OFFSET(x) offsetof(struct hipz_eqtemm,x)
+
+/* access control defines for MR/MW */
+#define HIPZ_ACCESSCTRL_L_WRITE  0x00800000
+#define HIPZ_ACCESSCTRL_R_WRITE  0x00400000
+#define HIPZ_ACCESSCTRL_R_READ   0x00200000
+#define HIPZ_ACCESSCTRL_R_ATOMIC 0x00100000
+#define HIPZ_ACCESSCTRL_MW_BIND  0x00080000
+
+/* query hca response block */
+struct hipz_query_hca {
+	u32 cur_reliable_dg;
+	u32 cur_qp;
+	u32 cur_cq;
+	u32 cur_eq;
+	u32 cur_mr;
+	u32 cur_mw;
+	u32 cur_ee_context;
+	u32 cur_mcast_grp;
+	u32 cur_qp_attached_mcast_grp;
+	u32 reserved1;
+	u32 cur_ipv6_qp;
+	u32 cur_eth_qp;
+	u32 cur_hp_mr;
+	u32 reserved2[3];
+	u32 max_rd_domain;
+	u32 max_qp;
+	u32 max_cq;
+	u32 max_eq;
+	u32 max_mr;
+	u32 max_hp_mr;
+	u32 max_mw;
+	u32 max_mrwpte;
+	u32 max_special_mrwpte;
+	u32 max_rd_ee_context;
+	u32 max_mcast_grp;
+	u32 max_qps_attached_all_mcast_grp;
+	u32 max_qps_attached_mcast_grp;
+	u32 max_raw_ipv6_qp;
+	u32 max_raw_ethy_qp;
+	u32 internal_clock_frequency;
+	u32 max_pd;
+	u32 max_ah;
+	u32 max_cqe;
+	u32 max_wqes_wq;
+	u32 max_partitions;
+	u32 max_rr_ee_context;
+	u32 max_rr_qp;
+	u32 max_rr_hca;
+	u32 max_act_wqs_ee_context;
+	u32 max_act_wqs_qp;
+	u32 max_sge;
+	u32 max_sge_rd;
+	u32 memory_page_size_supported;
+	u64 max_mr_size;
+	u32 local_ca_ack_delay;
+	u32 num_ports;
+	u32 vendor_id;
+	u32 vendor_part_id;
+	u32 hw_ver;
+	u64 node_guid;
+	u64 hca_cap_indicators;
+	u32 data_counter_register_size;
+	u32 max_shared_rq;
+	u32 max_isns_eq;
+	u32 max_neq;
+} __attribute__ ((packed));
+
+/* query port response block */
+struct hipz_query_port {
+	u32 state;
+	u32 bad_pkey_cntr;
+	u32 lmc;
+	u32 lid;
+	u32 subnet_timeout;
+	u32 qkey_viol_cntr;
+	u32 sm_sl;
+	u32 sm_lid;
+	u32 capability_mask;
+	u32 init_type_reply;
+	u32 pkey_tbl_len;
+	u32 gid_tbl_len;
+	u64 gid_prefix;
+	u32 port_nr;
+	u16 pkey_entries[16];
+	u8  reserved1[32];
+	u32 trent_size;
+	u32 trbuf_size;
+	u64 max_msg_sz;
+	u32 max_mtu;
+	u32 vl_cap;
+	u8  reserved2[1900];
+	u64 guid_entries[255];
+} __attribute__ ((packed));
+
+#endif





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