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Diffstat (limited to '')
| -rw-r--r-- | drivers/infiniband/hw/ocrdma/ocrdma_hw.h | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_hw.h b/drivers/infiniband/hw/ocrdma/ocrdma_hw.h new file mode 100644 index 000000000..12c23a765 --- /dev/null +++ b/drivers/infiniband/hw/ocrdma/ocrdma_hw.h @@ -0,0 +1,159 @@ +/* This file is part of the Emulex RoCE Device Driver for + * RoCE (RDMA over Converged Ethernet) adapters. + * Copyright (C) 2012-2015 Emulex. All rights reserved. + * EMULEX and SLI are trademarks of Emulex. + * www.emulex.com + * + * This software is available to you under a choice of one of two licenses. + * You may choose to be licensed under the terms of the GNU General Public + * License (GPL) Version 2, available from the file COPYING in the main + * directory of this source tree, or the BSD license below: + * + * 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 HOLDER 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. + * + * Contact Information: + * linux-drivers@emulex.com + * + * Emulex + * 3333 Susan Street + * Costa Mesa, CA 92626 + */ + +#ifndef __OCRDMA_HW_H__ +#define __OCRDMA_HW_H__ + +#include "ocrdma_sli.h" + +static inline void ocrdma_cpu_to_le32(void *dst, u32 len) +{ +#ifdef __BIG_ENDIAN + int i = 0; + u32 *src_ptr = dst; + u32 *dst_ptr = dst; + for (; i < (len / 4); i++) + *(dst_ptr + i) = cpu_to_le32p(src_ptr + i); +#endif +} + +static inline void ocrdma_le32_to_cpu(void *dst, u32 len) +{ +#ifdef __BIG_ENDIAN + int i = 0; + u32 *src_ptr = dst; + u32 *dst_ptr = dst; + for (; i < (len / sizeof(u32)); i++) + *(dst_ptr + i) = le32_to_cpu(*(src_ptr + i)); +#endif +} + +static inline void ocrdma_copy_cpu_to_le32(void *dst, void *src, u32 len) +{ +#ifdef __BIG_ENDIAN + int i = 0; + u32 *src_ptr = src; + u32 *dst_ptr = dst; + for (; i < (len / sizeof(u32)); i++) + *(dst_ptr + i) = cpu_to_le32p(src_ptr + i); +#else + memcpy(dst, src, len); +#endif +} + +static inline void ocrdma_copy_le32_to_cpu(void *dst, void *src, u32 len) +{ +#ifdef __BIG_ENDIAN + int i = 0; + u32 *src_ptr = src; + u32 *dst_ptr = dst; + for (; i < len / sizeof(u32); i++) + *(dst_ptr + i) = le32_to_cpu(*(src_ptr + i)); +#else + memcpy(dst, src, len); +#endif +} + +static inline u64 ocrdma_get_db_addr(struct ocrdma_dev *dev, u32 pdid) +{ + return dev->nic_info.unmapped_db + (pdid * dev->nic_info.db_page_size); +} + +int ocrdma_init_hw(struct ocrdma_dev *); +void ocrdma_cleanup_hw(struct ocrdma_dev *); + +enum ib_qp_state get_ibqp_state(enum ocrdma_qp_state qps); +void ocrdma_ring_cq_db(struct ocrdma_dev *, u16 cq_id, bool armed, + bool solicited, u16 cqe_popped); + +/* verbs specific mailbox commands */ +int ocrdma_mbx_get_link_speed(struct ocrdma_dev *dev, u8 *lnk_speed, + u8 *lnk_st); +int ocrdma_query_config(struct ocrdma_dev *, + struct ocrdma_mbx_query_config *config); + +int ocrdma_mbx_alloc_pd(struct ocrdma_dev *, struct ocrdma_pd *); +int ocrdma_mbx_dealloc_pd(struct ocrdma_dev *, struct ocrdma_pd *); + +int ocrdma_mbx_alloc_lkey(struct ocrdma_dev *, struct ocrdma_hw_mr *hwmr, + u32 pd_id, int addr_check); +int ocrdma_mbx_dealloc_lkey(struct ocrdma_dev *, int fmr, u32 lkey); + +int ocrdma_reg_mr(struct ocrdma_dev *, struct ocrdma_hw_mr *hwmr, + u32 pd_id, int acc); +int ocrdma_mbx_create_cq(struct ocrdma_dev *, struct ocrdma_cq *, + int entries, int dpp_cq, u16 pd_id); +void ocrdma_mbx_destroy_cq(struct ocrdma_dev *dev, struct ocrdma_cq *cq); + +int ocrdma_mbx_create_qp(struct ocrdma_qp *, struct ib_qp_init_attr *attrs, + u8 enable_dpp_cq, u16 dpp_cq_id, u16 *dpp_offset, + u16 *dpp_credit_lmt); +int ocrdma_mbx_modify_qp(struct ocrdma_dev *, struct ocrdma_qp *, + struct ib_qp_attr *attrs, int attr_mask); +int ocrdma_mbx_query_qp(struct ocrdma_dev *, struct ocrdma_qp *, + struct ocrdma_qp_params *param); +int ocrdma_mbx_destroy_qp(struct ocrdma_dev *, struct ocrdma_qp *); +int ocrdma_mbx_create_srq(struct ocrdma_dev *, struct ocrdma_srq *, + struct ib_srq_init_attr *, + struct ocrdma_pd *); +int ocrdma_mbx_modify_srq(struct ocrdma_srq *, struct ib_srq_attr *); +int ocrdma_mbx_query_srq(struct ocrdma_srq *, struct ib_srq_attr *); +void ocrdma_mbx_destroy_srq(struct ocrdma_dev *dev, struct ocrdma_srq *srq); + +int ocrdma_alloc_av(struct ocrdma_dev *dev, struct ocrdma_ah *ah); +void ocrdma_free_av(struct ocrdma_dev *dev, struct ocrdma_ah *ah); + +int ocrdma_qp_state_change(struct ocrdma_qp *, enum ib_qp_state new_state, + enum ib_qp_state *old_ib_state); +bool ocrdma_is_qp_in_sq_flushlist(struct ocrdma_cq *, struct ocrdma_qp *); +bool ocrdma_is_qp_in_rq_flushlist(struct ocrdma_cq *, struct ocrdma_qp *); +void ocrdma_flush_qp(struct ocrdma_qp *); +int ocrdma_get_irq(struct ocrdma_dev *dev, struct ocrdma_eq *eq); + +int ocrdma_mbx_rdma_stats(struct ocrdma_dev *, bool reset); +char *port_speed_string(struct ocrdma_dev *dev); +void ocrdma_init_service_level(struct ocrdma_dev *); +void ocrdma_alloc_pd_pool(struct ocrdma_dev *dev); +void ocrdma_free_pd_range(struct ocrdma_dev *dev); +void ocrdma_update_link_state(struct ocrdma_dev *dev, u8 lstate); + +#endif /* __OCRDMA_HW_H__ */ |