51ff17251c
This adds the backbone required for the various HW initalizations which are necessary for the qedr driver - FW notification, resource initializations, etc. Signed-off-by: Ram Amrani <Ram.Amrani@caviumnetworks.com> Signed-off-by: Yuval Mintz <Yuval.Mintz@caviumnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
124 lines
4.3 KiB
C
124 lines
4.3 KiB
C
/* QLogic qed NIC Driver
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* Copyright (c) 2015-2016 QLogic Corporation
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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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#ifndef _QED_ROCE_H
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#define _QED_ROCE_H
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#include <linux/types.h>
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#include <linux/bitops.h>
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#include <linux/kernel.h>
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#include <linux/list.h>
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#include <linux/slab.h>
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#include <linux/spinlock.h>
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#include <linux/qed/qed_if.h>
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#include <linux/qed/qed_roce_if.h>
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#include "qed.h"
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#include "qed_dev_api.h"
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#include "qed_hsi.h"
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#define QED_RDMA_MAX_FMR (RDMA_MAX_TIDS)
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#define QED_RDMA_MAX_P_KEY (1)
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#define QED_RDMA_MAX_WQE (0x7FFF)
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#define QED_RDMA_MAX_SRQ_WQE_ELEM (0x7FFF)
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#define QED_RDMA_PAGE_SIZE_CAPS (0xFFFFF000)
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#define QED_RDMA_ACK_DELAY (15)
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#define QED_RDMA_MAX_MR_SIZE (0x10000000000ULL)
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#define QED_RDMA_MAX_CQS (RDMA_MAX_CQS)
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#define QED_RDMA_MAX_MRS (RDMA_MAX_TIDS)
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/* Add 1 for header element */
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#define QED_RDMA_MAX_SRQ_ELEM_PER_WQE (RDMA_MAX_SGE_PER_RQ_WQE + 1)
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#define QED_RDMA_MAX_SGE_PER_SRQ_WQE (RDMA_MAX_SGE_PER_RQ_WQE)
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#define QED_RDMA_SRQ_WQE_ELEM_SIZE (16)
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#define QED_RDMA_MAX_SRQS (32 * 1024)
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#define QED_RDMA_MAX_CQE_32_BIT (0x7FFFFFFF - 1)
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#define QED_RDMA_MAX_CQE_16_BIT (0x7FFF - 1)
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enum qed_rdma_toggle_bit {
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QED_RDMA_TOGGLE_BIT_CLEAR = 0,
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QED_RDMA_TOGGLE_BIT_SET = 1
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};
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struct qed_bmap {
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unsigned long *bitmap;
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u32 max_count;
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};
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struct qed_rdma_info {
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/* spin lock to protect bitmaps */
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spinlock_t lock;
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struct qed_bmap cq_map;
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struct qed_bmap pd_map;
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struct qed_bmap tid_map;
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struct qed_bmap qp_map;
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struct qed_bmap srq_map;
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struct qed_bmap cid_map;
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struct qed_bmap dpi_map;
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struct qed_bmap toggle_bits;
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struct qed_rdma_events events;
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struct qed_rdma_device *dev;
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struct qed_rdma_port *port;
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u32 last_tid;
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u8 num_cnqs;
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u32 num_qps;
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u32 num_mrs;
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u16 queue_zone_base;
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enum protocol_type proto;
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};
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int
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qed_rdma_add_user(void *rdma_cxt,
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struct qed_rdma_add_user_out_params *out_params);
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int qed_rdma_alloc_pd(void *rdma_cxt, u16 *pd);
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int qed_rdma_alloc_tid(void *rdma_cxt, u32 *tid);
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int qed_rdma_deregister_tid(void *rdma_cxt, u32 tid);
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void qed_rdma_free_tid(void *rdma_cxt, u32 tid);
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struct qed_rdma_device *qed_rdma_query_device(void *rdma_cxt);
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int
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qed_rdma_register_tid(void *rdma_cxt,
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struct qed_rdma_register_tid_in_params *params);
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void qed_rdma_remove_user(void *rdma_cxt, u16 dpi);
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int qed_rdma_start(void *p_hwfn, struct qed_rdma_start_in_params *params);
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int qed_rdma_stop(void *rdma_cxt);
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u32 qed_rdma_get_sb_id(void *p_hwfn, u32 rel_sb_id);
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u32 qed_rdma_query_cau_timer_res(void *p_hwfn);
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void qed_rdma_cnq_prod_update(void *rdma_cxt, u8 cnq_index, u16 prod);
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void qed_rdma_resc_free(struct qed_hwfn *p_hwfn);
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void qed_async_roce_event(struct qed_hwfn *p_hwfn,
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struct event_ring_entry *p_eqe);
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#if IS_ENABLED(CONFIG_INFINIBAND_QEDR)
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void qed_rdma_dpm_bar(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
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#else
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void qed_rdma_dpm_bar(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) {}
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#endif
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#endif
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