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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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9ba1377daa
Move PD allocation and deallocation from firmware to driver. At driver load time all the PDs will be requested from firmware and their management will be handled by driver to reduce mailbox commands overhead at runtime. Signed-off-by: Mitesh Ahuja <mitesh.ahuja@emulex.com> Signed-off-by: Devesh Sharma <devesh.sharma@emulex.com> Signed-off-by: Selvin Xavier <selvin.xavier@emulex.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
143 lines
5.1 KiB
C
143 lines
5.1 KiB
C
/*******************************************************************
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* This file is part of the Emulex RoCE Device Driver for *
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* RoCE (RDMA over Converged Ethernet) CNA Adapters. *
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* Copyright (C) 2008-2012 Emulex. All rights reserved. *
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* EMULEX and SLI are trademarks of Emulex. *
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* www.emulex.com *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of version 2 of the GNU General *
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* Public License as published by the Free Software Foundation. *
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* This program is distributed in the hope that it will be useful. *
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* ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
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* WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
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* FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
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* DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
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* TO BE LEGALLY INVALID. See the GNU General Public License for *
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* more details, a copy of which can be found in the file COPYING *
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* included with this package. *
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*
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* Contact Information:
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* linux-drivers@emulex.com
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*
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* Emulex
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* 3333 Susan Street
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* Costa Mesa, CA 92626
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*******************************************************************/
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#ifndef __OCRDMA_HW_H__
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#define __OCRDMA_HW_H__
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#include "ocrdma_sli.h"
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static inline void ocrdma_cpu_to_le32(void *dst, u32 len)
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{
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#ifdef __BIG_ENDIAN
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int i = 0;
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u32 *src_ptr = dst;
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u32 *dst_ptr = dst;
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for (; i < (len / 4); i++)
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*(dst_ptr + i) = cpu_to_le32p(src_ptr + i);
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#endif
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}
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static inline void ocrdma_le32_to_cpu(void *dst, u32 len)
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{
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#ifdef __BIG_ENDIAN
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int i = 0;
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u32 *src_ptr = dst;
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u32 *dst_ptr = dst;
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for (; i < (len / sizeof(u32)); i++)
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*(dst_ptr + i) = le32_to_cpu(*(src_ptr + i));
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#endif
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}
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static inline void ocrdma_copy_cpu_to_le32(void *dst, void *src, u32 len)
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{
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#ifdef __BIG_ENDIAN
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int i = 0;
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u32 *src_ptr = src;
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u32 *dst_ptr = dst;
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for (; i < (len / sizeof(u32)); i++)
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*(dst_ptr + i) = cpu_to_le32p(src_ptr + i);
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#else
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memcpy(dst, src, len);
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#endif
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}
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static inline void ocrdma_copy_le32_to_cpu(void *dst, void *src, u32 len)
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{
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#ifdef __BIG_ENDIAN
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int i = 0;
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u32 *src_ptr = src;
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u32 *dst_ptr = dst;
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for (; i < len / sizeof(u32); i++)
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*(dst_ptr + i) = le32_to_cpu(*(src_ptr + i));
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#else
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memcpy(dst, src, len);
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#endif
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}
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static inline u64 ocrdma_get_db_addr(struct ocrdma_dev *dev, u32 pdid)
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{
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return dev->nic_info.unmapped_db + (pdid * dev->nic_info.db_page_size);
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}
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int ocrdma_init_hw(struct ocrdma_dev *);
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void ocrdma_cleanup_hw(struct ocrdma_dev *);
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enum ib_qp_state get_ibqp_state(enum ocrdma_qp_state qps);
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void ocrdma_ring_cq_db(struct ocrdma_dev *, u16 cq_id, bool armed,
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bool solicited, u16 cqe_popped);
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/* verbs specific mailbox commands */
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int ocrdma_mbx_get_link_speed(struct ocrdma_dev *dev, u8 *lnk_speed);
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int ocrdma_query_config(struct ocrdma_dev *,
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struct ocrdma_mbx_query_config *config);
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int ocrdma_mbx_alloc_pd(struct ocrdma_dev *, struct ocrdma_pd *);
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int ocrdma_mbx_dealloc_pd(struct ocrdma_dev *, struct ocrdma_pd *);
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int ocrdma_mbx_alloc_lkey(struct ocrdma_dev *, struct ocrdma_hw_mr *hwmr,
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u32 pd_id, int addr_check);
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int ocrdma_mbx_dealloc_lkey(struct ocrdma_dev *, int fmr, u32 lkey);
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int ocrdma_reg_mr(struct ocrdma_dev *, struct ocrdma_hw_mr *hwmr,
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u32 pd_id, int acc);
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int ocrdma_mbx_create_cq(struct ocrdma_dev *, struct ocrdma_cq *,
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int entries, int dpp_cq, u16 pd_id);
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int ocrdma_mbx_destroy_cq(struct ocrdma_dev *, struct ocrdma_cq *);
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int ocrdma_mbx_create_qp(struct ocrdma_qp *, struct ib_qp_init_attr *attrs,
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u8 enable_dpp_cq, u16 dpp_cq_id, u16 *dpp_offset,
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u16 *dpp_credit_lmt);
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int ocrdma_mbx_modify_qp(struct ocrdma_dev *, struct ocrdma_qp *,
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struct ib_qp_attr *attrs, int attr_mask);
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int ocrdma_mbx_query_qp(struct ocrdma_dev *, struct ocrdma_qp *,
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struct ocrdma_qp_params *param);
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int ocrdma_mbx_destroy_qp(struct ocrdma_dev *, struct ocrdma_qp *);
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int ocrdma_mbx_create_srq(struct ocrdma_dev *, struct ocrdma_srq *,
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struct ib_srq_init_attr *,
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struct ocrdma_pd *);
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int ocrdma_mbx_modify_srq(struct ocrdma_srq *, struct ib_srq_attr *);
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int ocrdma_mbx_query_srq(struct ocrdma_srq *, struct ib_srq_attr *);
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int ocrdma_mbx_destroy_srq(struct ocrdma_dev *, struct ocrdma_srq *);
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int ocrdma_alloc_av(struct ocrdma_dev *, struct ocrdma_ah *);
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int ocrdma_free_av(struct ocrdma_dev *, struct ocrdma_ah *);
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int ocrdma_qp_state_change(struct ocrdma_qp *, enum ib_qp_state new_state,
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enum ib_qp_state *old_ib_state);
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bool ocrdma_is_qp_in_sq_flushlist(struct ocrdma_cq *, struct ocrdma_qp *);
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bool ocrdma_is_qp_in_rq_flushlist(struct ocrdma_cq *, struct ocrdma_qp *);
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void ocrdma_flush_qp(struct ocrdma_qp *);
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int ocrdma_get_irq(struct ocrdma_dev *dev, struct ocrdma_eq *eq);
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int ocrdma_mbx_rdma_stats(struct ocrdma_dev *, bool reset);
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char *port_speed_string(struct ocrdma_dev *dev);
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void ocrdma_init_service_level(struct ocrdma_dev *);
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void ocrdma_alloc_pd_pool(struct ocrdma_dev *dev);
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void ocrdma_free_pd_range(struct ocrdma_dev *dev);
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#endif /* __OCRDMA_HW_H__ */
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