| /* |
| * IBM eServer eHCA Infiniband device driver for Linux on POWER |
| * |
| * Hardware request structures |
| * |
| * Authors: Waleri Fomin <fomin@de.ibm.com> |
| * Reinhard Ernst <rernst@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. |
| */ |
| |
| |
| #ifndef _EHCA_QES_H_ |
| #define _EHCA_QES_H_ |
| |
| #include "ehca_tools.h" |
| |
| /* 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; |
| u32 sgid_wd2; |
| |
| u32 sgid_wd1; |
| u32 sgid_wd0; |
| /* DWord_3 --> DGID */ |
| |
| u32 dgid_wd3; |
| u32 dgid_wd2; |
| |
| u32 dgid_wd1; |
| u32 dgid_wd0; |
| } 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 WQEF_HIGH_NIBBLE 0xF0 |
| |
| #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) |
| #define WC_STATUS_ERROR_BIT 0x80000000 |
| #define WC_STATUS_REMOTE_ERROR_FLAGS 0x0000F800 |
| #define WC_STATUS_PURGE_BIT 0x10 |
| |
| 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_*/ |
