261 lines
6.1 KiB
C
261 lines
6.1 KiB
C
/*
|
|
* 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 addresses 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_address;
|
|
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
|
|
#define WC_SEND_RECEIVE_BIT 0x80
|
|
|
|
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_*/
|