Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751504AbWBRBGG (ORCPT ); Fri, 17 Feb 2006 20:06:06 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751816AbWBRBFt (ORCPT ); Fri, 17 Feb 2006 20:05:49 -0500 Received: from sj-iport-2-in.cisco.com ([171.71.176.71]:58254 "EHLO sj-iport-2.cisco.com") by vger.kernel.org with ESMTP id S1751504AbWBRA5m (ORCPT ); Fri, 17 Feb 2006 19:57:42 -0500 From: Roland Dreier Subject: [PATCH 12/22] ehca low-level verbs Date: Fri, 17 Feb 2006 16:57:39 -0800 To: linux-kernel@vger.kernel.org, linuxppc64-dev@ozlabs.org, openib-general@openib.org Cc: SCHICKHJ@de.ibm.com, RAISCH@de.ibm.com, HNGUYEN@de.ibm.com, MEDER@de.ibm.com Message-Id: <20060218005739.13620.15633.stgit@localhost.localdomain> In-Reply-To: <20060218005532.13620.79663.stgit@localhost.localdomain> References: <20060218005532.13620.79663.stgit@localhost.localdomain> X-OriginalArrivalTime: 18 Feb 2006 00:57:39.0320 (UTC) FILETIME=[50A79780:01C63426] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 13630 Lines: 463 From: Roland Dreier What is ehca_init_module()? It is declared but never defined. --- drivers/infiniband/hw/ehca/ehca_iverbs.h | 163 ++++++++++++++++++ drivers/infiniband/hw/ehca/ehca_qes.h | 274 ++++++++++++++++++++++++++++++ 2 files changed, 437 insertions(+), 0 deletions(-) diff --git a/drivers/infiniband/hw/ehca/ehca_iverbs.h b/drivers/infiniband/hw/ehca/ehca_iverbs.h new file mode 100644 index 0000000..b1319a9 --- /dev/null +++ b/drivers/infiniband/hw/ehca/ehca_iverbs.h @@ -0,0 +1,163 @@ +/* + * IBM eServer eHCA Infiniband device driver for Linux on POWER + * + * Function definitions for internal functions + * + * Authors: Heiko J Schick + * Khadija Souissi + * Christoph Raisch + * Hoang-Nam Nguyen + * + * 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: ehca_iverbs.h,v 1.32 2006/02/06 10:17:34 schickhj Exp $ + */ + +#ifndef __EHCA_IVERBS_H__ +#define __EHCA_IVERBS_H__ + +#include "ehca_classes.h" +/** ehca internal verb for testuse + */ +void ehca_init_module(void); + +int ehca_query_device(struct ib_device *ibdev, struct ib_device_attr *props); +int ehca_query_port(struct ib_device *ibdev, + u8 port, struct ib_port_attr *props); +int ehca_query_pkey(struct ib_device *ibdev, u8 port, u16 index, u16 * pkey); +int ehca_query_gid(struct ib_device *ibdev, u8 port, + int index, union ib_gid *gid); +int ehca_modify_port(struct ib_device *ibdev, + u8 port, int port_modify_mask, + struct ib_port_modify *props); + +struct ib_pd *ehca_alloc_pd(struct ib_device *device, + struct ib_ucontext *context, + struct ib_udata *udata); + +int ehca_dealloc_pd(struct ib_pd *pd); + +struct ib_ah *ehca_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr); +int ehca_modify_ah(struct ib_ah *ah, struct ib_ah_attr *ah_attr); +int ehca_query_ah(struct ib_ah *ah, struct ib_ah_attr *ah_attr); +int ehca_destroy_ah(struct ib_ah *ah); + +struct ib_cq *ehca_create_cq(struct ib_device *device, int cqe, + struct ib_ucontext *context, + struct ib_udata *udata); +int ehca_resize_cq(struct ib_cq *cq, int cqe); + +int ehca_destroy_cq(struct ib_cq *cq); + +int ehca_poll_cq(struct ib_cq *cq, int num_entries, struct ib_wc *wc); + +int ehca_peek_cq(struct ib_cq *cq, int wc_cnt); + +int ehca_req_notify_cq(struct ib_cq *cq, enum ib_cq_notify cq_notify); + +struct ib_qp *ehca_create_qp(struct ib_pd *pd, + struct ib_qp_init_attr *init_attr, + struct ib_udata *udata); + +u64 ehca_define_sqp(struct ehca_shca *shca, struct ehca_qp *ibqp, + struct ib_qp_init_attr *qp_init_attr); + +int ehca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask); + +int ehca_query_qp(struct ib_qp *qp, struct ib_qp_attr *qp_attr, + int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr); + +int ehca_destroy_qp(struct ib_qp *qp); + +int ehca_post_send(struct ib_qp *qp, + struct ib_send_wr *send_wr, struct ib_send_wr **bad_send_wr); + +int ehca_post_recv(struct ib_qp *qp, + struct ib_recv_wr *recv_wr, struct ib_recv_wr **bad_recv_wr); + +struct ib_mr *ehca_get_dma_mr(struct ib_pd *pd, int mr_access_flags); + +struct ib_mr *ehca_reg_phys_mr(struct ib_pd *pd, + struct ib_phys_buf *phys_buf_array, + int num_phys_buf, + int mr_access_flags, u64 *iova_start); + +struct ib_mr *ehca_reg_user_mr(struct ib_pd *pd, + struct ib_umem *region, + int mr_access_flags, struct ib_udata *udata); + +int ehca_rereg_phys_mr(struct ib_mr *mr, + int mr_rereg_mask, + struct ib_pd *pd, + struct ib_phys_buf *phys_buf_array, + int num_phys_buf, int mr_access_flags, u64 *iova_start); + +int ehca_query_mr(struct ib_mr *mr, struct ib_mr_attr *mr_attr); + +int ehca_dereg_mr(struct ib_mr *mr); + +struct ib_mw *ehca_alloc_mw(struct ib_pd *pd); + +int ehca_bind_mw(struct ib_qp *qp, + struct ib_mw *mw, struct ib_mw_bind *mw_bind); + +int ehca_dealloc_mw(struct ib_mw *mw); + +struct ib_fmr *ehca_alloc_fmr(struct ib_pd *pd, + int mr_access_flags, + struct ib_fmr_attr *fmr_attr); + +int ehca_map_phys_fmr(struct ib_fmr *fmr, + u64 *page_list, int list_len, u64 iova); + +int ehca_unmap_fmr(struct list_head *fmr_list); + +int ehca_dealloc_fmr(struct ib_fmr *fmr); + +int ehca_attach_mcast(struct ib_qp *qp, union ib_gid *gid, u16 lid); + +int ehca_detach_mcast(struct ib_qp *qp, union ib_gid *gid, u16 lid); + +struct ib_ucontext *ehca_alloc_ucontext(struct ib_device *device, + struct ib_udata *udata); +int ehca_dealloc_ucontext(struct ib_ucontext *context); + +int ehca_mmap(struct ib_ucontext *context, struct vm_area_struct *vma); + +int ehca_poll_eqs(void *data); + +int ehca_mmap_nopage(u64 foffset,u64 length,void ** mapped,struct vm_area_struct ** vma); +int ehca_mmap_register(u64 physical,void ** mapped,struct vm_area_struct ** vma); +int ehca_munmap(unsigned long addr, size_t len); + +#endif diff --git a/drivers/infiniband/hw/ehca/ehca_qes.h b/drivers/infiniband/hw/ehca/ehca_qes.h new file mode 100644 index 0000000..e9420e3 --- /dev/null +++ b/drivers/infiniband/hw/ehca/ehca_qes.h @@ -0,0 +1,274 @@ +/* + * IBM eServer eHCA Infiniband device driver for Linux on POWER + * + * Hardware request structures + * + * Authors: Waleri Fomin + * Reinhard Ernst + * Christoph Raisch + * + * 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: ehca_qes.h,v 1.9 2006/02/06 10:17:34 schickhj Exp $ + */ + + +#ifndef _EHCA_QES_H_ +#define _EHCA_QES_H_ + +/** DON'T include any kernel related files here!!! + * This file is used commonly in user and kernel space!!! + */ + +/** + * virtual scatter gather entry to specify remote adresses with length + */ +struct ehca_vsgentry { + u64 vaddr; + u32 lkey; + u32 length; +}; + +#define GRH_FLAG_MASK EHCA_BMASK_IBM(7,7) +#define GRH_IPVERSION_MASK EHCA_BMASK_IBM(0,3) +#define GRH_TCLASS_MASK EHCA_BMASK_IBM(4,12) +#define GRH_FLOWLABEL_MASK EHCA_BMASK_IBM(13,31) +#define GRH_PAYLEN_MASK EHCA_BMASK_IBM(32,47) +#define GRH_NEXTHEADER_MASK EHCA_BMASK_IBM(48,55) +#define GRH_HOPLIMIT_MASK EHCA_BMASK_IBM(56,63) + +/** + * Unreliable Datagram Address Vector Format + * see IBTA Vol1 chapter 8.3 Global Routing Header + */ +struct ehca_ud_av { + u8 sl; + u8 lnh; + u16 dlid; + u8 reserved1; + u8 reserved2; + u8 reserved3; + u8 slid_path_bits; + u8 reserved4; + u8 ipd; + u8 reserved5; + u8 pmtu; + u32 reserved6; + u64 reserved7; + union { + struct { + u64 word_0; /* always set to 6 */ + /*should be 0x1B for IB transport */ + u64 word_1; + u64 word_2; + u64 word_3; + u64 word_4; + } grh; + struct { + u32 wd_0; + u32 wd_1; + /* DWord_1 --> SGID */ + + u32 sgid_wd3; + /* bits 127 - 96 */ + + u32 sgid_wd2; + /* bits 95 - 64 */ + /* DWord_2 */ + + u32 sgid_wd1; + /* bits 63 - 32 */ + + u32 sgid_wd0; + /* bits 31 - 0 */ + /* DWord_3 --> DGID */ + + u32 dgid_wd3; + /* bits 127 - 96 + **/ + u32 dgid_wd2; + /* bits 95 - 64 + DWord_4 */ + u32 dgid_wd1; + /* bits 63 - 32 */ + + u32 dgid_wd0; + /* bits 31 - 0 */ + } grh_l; + }; +}; + +/* maximum number of sg entries allowed in a WQE */ +#define MAX_WQE_SG_ENTRIES 252 + +#define WQE_OPTYPE_SEND 0x80 +#define WQE_OPTYPE_RDMAREAD 0x40 +#define WQE_OPTYPE_RDMAWRITE 0x20 +#define WQE_OPTYPE_CMPSWAP 0x10 +#define WQE_OPTYPE_FETCHADD 0x08 +#define WQE_OPTYPE_BIND 0x04 + +#define WQE_WRFLAG_REQ_SIGNAL_COM 0x80 +#define WQE_WRFLAG_FENCE 0x40 +#define WQE_WRFLAG_IMM_DATA_PRESENT 0x20 +#define WQE_WRFLAG_SOLIC_EVENT 0x10 + +#define WQEF_CACHE_HINT 0x80 +#define WQEF_CACHE_HINT_RD_WR 0x40 +#define WQEF_TIMED_WQE 0x20 +#define WQEF_PURGE 0x08 + +#define MW_BIND_ACCESSCTRL_R_WRITE 0x40 +#define MW_BIND_ACCESSCTRL_R_READ 0x20 +#define MW_BIND_ACCESSCTRL_R_ATOMIC 0x10 + +struct ehca_wqe { + u64 work_request_id; + u8 optype; + u8 wr_flag; + u16 pkeyi; + u8 wqef; + u8 nr_of_data_seg; + u16 wqe_provided_slid; + u32 destination_qp_number; + u32 resync_psn_sqp; + u32 local_ee_context_qkey; + u32 immediate_data; + union { + struct { + u64 remote_virtual_adress; + u32 rkey; + u32 reserved; + u64 atomic_1st_op_dma_len; + u64 atomic_2nd_op; + struct ehca_vsgentry sg_list[MAX_WQE_SG_ENTRIES]; + + } nud; + struct { + u64 ehca_ud_av_ptr; + u64 reserved1; + u64 reserved2; + u64 reserved3; + struct ehca_vsgentry sg_list[MAX_WQE_SG_ENTRIES]; + } ud_avp; + struct { + struct ehca_ud_av ud_av; + struct ehca_vsgentry sg_list[MAX_WQE_SG_ENTRIES - + 2]; + } ud_av; + struct { + u64 reserved0; + u64 reserved1; + u64 reserved2; + u64 reserved3; + struct ehca_vsgentry sg_list[MAX_WQE_SG_ENTRIES]; + } all_rcv; + + struct { + u64 reserved; + u32 rkey; + u32 old_rkey; + u64 reserved1; + u64 reserved2; + u64 virtual_address; + u32 reserved3; + u32 length; + u32 reserved4; + u16 reserved5; + u8 reserved6; + u8 lr_ctl; + u32 lkey; + u32 reserved7; + u64 reserved8; + u64 reserved9; + u64 reserved10; + u64 reserved11; + } bind; + struct { + u64 reserved12; + u64 reserved13; + u32 size; + u32 start; + } inline_data; + } u; + +}; + +#define WC_SEND_RECEIVE EHCA_BMASK_IBM(0,0) +#define WC_IMM_DATA EHCA_BMASK_IBM(1,1) +#define WC_GRH_PRESENT EHCA_BMASK_IBM(2,2) +#define WC_SE_BIT EHCA_BMASK_IBM(3,3) + +struct ehca_cqe { + u64 work_request_id; + u8 optype; + u8 w_completion_flags; + u16 reserved1; + u32 nr_bytes_transferred; + u32 immediate_data; + u32 local_qp_number; + u8 freed_resource_count; + u8 service_level; + u16 wqe_count; + u32 qp_token; + u32 qkey_ee_token; + u32 remote_qp_number; + u16 dlid; + u16 rlid; + u16 reserved2; + u16 pkey_index; + u32 cqe_timestamp; + u32 wqe_timestamp; + u8 wqe_timestamp_valid; + u8 reserved3; + u8 reserved4; + u8 cqe_flags; + u32 status; +}; + +struct ehca_eqe { + u64 entry; +}; + +struct ehca_mrte { + u64 starting_va; + u64 length; /* length of memory region in bytes*/ + u32 pd; + u8 key_instance; + u8 pagesize; + u8 mr_control; + u8 local_remote_access_ctrl; + u8 reserved[0x20 - 0x18]; + u64 at_pointer[4]; +}; +#endif /*_EHCA_QES_H_*/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/