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i40iw: add files for iwarp interface
i40iw_verbs.[ch] are to handle iwarp interface.
Changes since v2:
Made infiniband interface changes for 4.5
removed i40iw_reg_phys_mr() for 4.5
made changes as made by Christoph Hellwig made for nes
in i40iw_get_dma_mr().
Changes since v1:
Following modification based on Christoph Hellwig's feedback
-remove kmap() calls and moved to i40iw_cm.c.
-cleanup some of casts
Acked-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Acked-by: Shannon Nelson <shannon.nelson@intel.com>
Signed-off-by: Faisal Latif <faisal.latif@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Faisal Latif
Doug Ledford
parent
4e9042e647
commit
d374984179
107
drivers/infiniband/hw/i40iw/i40iw_ucontext.h
Normal file
107
drivers/infiniband/hw/i40iw/i40iw_ucontext.h
Normal file
@ -0,0 +1,107 @@
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/*
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* Copyright (c) 2006 - 2016 Intel Corporation. All rights reserved.
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* Copyright (c) 2005 Topspin Communications. All rights reserved.
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* Copyright (c) 2005 Cisco Systems. All rights reserved.
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* Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* OpenIB.org BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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*/
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#ifndef I40IW_USER_CONTEXT_H
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#define I40IW_USER_CONTEXT_H
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#include <linux/types.h>
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#define I40IW_ABI_USERSPACE_VER 4
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#define I40IW_ABI_KERNEL_VER 4
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struct i40iw_alloc_ucontext_req {
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__u32 reserved32;
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__u8 userspace_ver;
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__u8 reserved8[3];
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};
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struct i40iw_alloc_ucontext_resp {
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__u32 max_pds; /* maximum pds allowed for this user process */
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__u32 max_qps; /* maximum qps allowed for this user process */
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__u32 wq_size; /* size of the WQs (sq+rq) allocated to the mmaped area */
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__u8 kernel_ver;
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__u8 reserved[3];
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};
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struct i40iw_alloc_pd_resp {
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__u32 pd_id;
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__u8 reserved[4];
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};
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struct i40iw_create_cq_req {
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__u64 user_cq_buffer;
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__u64 user_shadow_area;
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};
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struct i40iw_create_qp_req {
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__u64 user_wqe_buffers;
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__u64 user_compl_ctx;
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/* UDA QP PHB */
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__u64 user_sq_phb; /* place for VA of the sq phb buff */
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__u64 user_rq_phb; /* place for VA of the rq phb buff */
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};
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enum i40iw_memreg_type {
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IW_MEMREG_TYPE_MEM = 0x0000,
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IW_MEMREG_TYPE_QP = 0x0001,
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IW_MEMREG_TYPE_CQ = 0x0002,
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};
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struct i40iw_mem_reg_req {
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__u16 reg_type; /* Memory, QP or CQ */
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__u16 cq_pages;
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__u16 rq_pages;
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__u16 sq_pages;
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};
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struct i40iw_create_cq_resp {
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__u32 cq_id;
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__u32 cq_size;
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__u32 mmap_db_index;
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__u32 reserved;
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};
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struct i40iw_create_qp_resp {
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__u32 qp_id;
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__u32 actual_sq_size;
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__u32 actual_rq_size;
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__u32 i40iw_drv_opt;
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__u16 push_idx;
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__u8 lsmm;
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__u8 rsvd2;
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};
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#endif
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2434
drivers/infiniband/hw/i40iw/i40iw_verbs.c
Normal file
2434
drivers/infiniband/hw/i40iw/i40iw_verbs.c
Normal file
File diff suppressed because it is too large
Load Diff
173
drivers/infiniband/hw/i40iw/i40iw_verbs.h
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173
drivers/infiniband/hw/i40iw/i40iw_verbs.h
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@ -0,0 +1,173 @@
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/*******************************************************************************
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*
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* Copyright (c) 2015-2016 Intel Corporation. All rights reserved.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* OpenFabrics.org BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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*******************************************************************************/
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#ifndef I40IW_VERBS_H
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#define I40IW_VERBS_H
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struct i40iw_ucontext {
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struct ib_ucontext ibucontext;
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struct i40iw_device *iwdev;
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struct list_head cq_reg_mem_list;
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spinlock_t cq_reg_mem_list_lock; /* memory list for cq's */
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struct list_head qp_reg_mem_list;
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spinlock_t qp_reg_mem_list_lock; /* memory list for qp's */
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};
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struct i40iw_pd {
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struct ib_pd ibpd;
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struct i40iw_sc_pd sc_pd;
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atomic_t usecount;
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};
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struct i40iw_hmc_pble {
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union {
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u32 idx;
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dma_addr_t addr;
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};
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};
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struct i40iw_cq_mr {
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struct i40iw_hmc_pble cq_pbl;
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dma_addr_t shadow;
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};
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struct i40iw_qp_mr {
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struct i40iw_hmc_pble sq_pbl;
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struct i40iw_hmc_pble rq_pbl;
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dma_addr_t shadow;
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struct page *sq_page;
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};
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struct i40iw_pbl {
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struct list_head list;
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union {
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struct i40iw_qp_mr qp_mr;
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struct i40iw_cq_mr cq_mr;
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};
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bool pbl_allocated;
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u64 user_base;
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struct i40iw_pble_alloc pble_alloc;
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struct i40iw_mr *iwmr;
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};
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#define MAX_SAVE_PAGE_ADDRS 4
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struct i40iw_mr {
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union {
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struct ib_mr ibmr;
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struct ib_mw ibmw;
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struct ib_fmr ibfmr;
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};
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struct ib_umem *region;
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u16 type;
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u32 page_cnt;
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u32 stag;
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u64 length;
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u64 pgaddrmem[MAX_SAVE_PAGE_ADDRS];
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struct i40iw_pbl iwpbl;
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};
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struct i40iw_cq {
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struct ib_cq ibcq;
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struct i40iw_sc_cq sc_cq;
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u16 cq_head;
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u16 cq_size;
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u16 cq_number;
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bool user_mode;
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u32 polled_completions;
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u32 cq_mem_size;
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struct i40iw_dma_mem kmem;
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spinlock_t lock; /* for poll cq */
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struct i40iw_pbl *iwpbl;
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};
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struct disconn_work {
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struct work_struct work;
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struct i40iw_qp *iwqp;
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};
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struct iw_cm_id;
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struct ietf_mpa_frame;
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struct i40iw_ud_file;
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struct i40iw_qp_kmode {
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struct i40iw_dma_mem dma_mem;
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u64 *wrid_mem;
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};
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struct i40iw_qp {
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struct ib_qp ibqp;
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struct i40iw_sc_qp sc_qp;
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struct i40iw_device *iwdev;
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struct i40iw_cq *iwscq;
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struct i40iw_cq *iwrcq;
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struct i40iw_pd *iwpd;
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struct i40iw_qp_host_ctx_info ctx_info;
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struct i40iwarp_offload_info iwarp_info;
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void *allocated_buffer;
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atomic_t refcount;
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struct iw_cm_id *cm_id;
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void *cm_node;
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struct ib_mr *lsmm_mr;
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struct work_struct work;
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enum ib_qp_state ibqp_state;
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u32 iwarp_state;
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u32 qp_mem_size;
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u32 last_aeq;
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atomic_t close_timer_started;
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spinlock_t lock; /* for post work requests */
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struct i40iw_qp_context *iwqp_context;
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void *pbl_vbase;
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dma_addr_t pbl_pbase;
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struct page *page;
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u8 active_conn:1;
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u8 user_mode:1;
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u8 hte_added:1;
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u8 flush_issued:1;
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u8 destroyed:1;
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u8 sig_all:1;
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u8 pau_mode:1;
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u8 rsvd:1;
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u16 term_sq_flush_code;
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u16 term_rq_flush_code;
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u8 hw_iwarp_state;
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u8 hw_tcp_state;
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struct i40iw_qp_kmode kqp;
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struct i40iw_dma_mem host_ctx;
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struct timer_list terminate_timer;
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struct i40iw_pbl *iwpbl;
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struct i40iw_dma_mem q2_ctx_mem;
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struct i40iw_dma_mem ietf_mem;
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};
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#endif
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