353 lines
10 KiB
C
353 lines
10 KiB
C
/*
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* Copyright (c) 2017-2018 Cavium, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*
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*/
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#ifndef __ECORE_SPQ_H__
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#define __ECORE_SPQ_H__
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#include "ecore_hsi_common.h"
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#include "ecore_status.h"
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#include "ecore_hsi_eth.h"
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#include "ecore_hsi_fcoe.h"
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#include "tcp_common.h"
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#include "ecore_hsi_iscsi.h"
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#include "ecore_hsi_roce.h"
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#include "ecore_hsi_iwarp.h"
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#include "ecore_chain.h"
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#include "ecore_sp_api.h"
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union ramrod_data
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{
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struct pf_start_ramrod_data pf_start;
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struct pf_update_ramrod_data pf_update;
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struct rl_update_ramrod_data rl_update;
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struct rx_queue_start_ramrod_data rx_queue_start;
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struct rx_queue_update_ramrod_data rx_queue_update;
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struct rx_queue_stop_ramrod_data rx_queue_stop;
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struct tx_queue_start_ramrod_data tx_queue_start;
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struct tx_queue_stop_ramrod_data tx_queue_stop;
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struct vport_start_ramrod_data vport_start;
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struct vport_stop_ramrod_data vport_stop;
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struct rx_update_gft_filter_data rx_update_gft;
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struct vport_update_ramrod_data vport_update;
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struct core_rx_start_ramrod_data core_rx_queue_start;
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struct core_rx_stop_ramrod_data core_rx_queue_stop;
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struct core_tx_start_ramrod_data core_tx_queue_start;
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struct core_tx_stop_ramrod_data core_tx_queue_stop;
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struct vport_filter_update_ramrod_data vport_filter_update;
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struct rdma_init_func_ramrod_data rdma_init_func;
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struct rdma_close_func_ramrod_data rdma_close_func;
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struct rdma_register_tid_ramrod_data rdma_register_tid;
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struct rdma_deregister_tid_ramrod_data rdma_deregister_tid;
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struct roce_create_qp_resp_ramrod_data roce_create_qp_resp;
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struct roce_create_qp_req_ramrod_data roce_create_qp_req;
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struct roce_modify_qp_resp_ramrod_data roce_modify_qp_resp;
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struct roce_modify_qp_req_ramrod_data roce_modify_qp_req;
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struct roce_query_qp_resp_ramrod_data roce_query_qp_resp;
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struct roce_query_qp_req_ramrod_data roce_query_qp_req;
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struct roce_destroy_qp_resp_ramrod_data roce_destroy_qp_resp;
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struct roce_destroy_qp_req_ramrod_data roce_destroy_qp_req;
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struct roce_init_func_ramrod_data roce_init_func;
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struct rdma_create_cq_ramrod_data rdma_create_cq;
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struct rdma_resize_cq_ramrod_data rdma_resize_cq;
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struct rdma_destroy_cq_ramrod_data rdma_destroy_cq;
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struct rdma_srq_create_ramrod_data rdma_create_srq;
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struct rdma_srq_destroy_ramrod_data rdma_destroy_srq;
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struct rdma_srq_modify_ramrod_data rdma_modify_srq;
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struct iwarp_create_qp_ramrod_data iwarp_create_qp;
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struct iwarp_tcp_offload_ramrod_data iwarp_tcp_offload;
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struct iwarp_mpa_offload_ramrod_data iwarp_mpa_offload;
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struct iwarp_modify_qp_ramrod_data iwarp_modify_qp;
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struct iwarp_query_qp_ramrod_data iwarp_query_qp;
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struct iwarp_init_func_ramrod_data iwarp_init_func;
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struct fcoe_init_ramrod_params fcoe_init;
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struct fcoe_conn_offload_ramrod_params fcoe_conn_ofld;
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struct fcoe_conn_terminate_ramrod_params fcoe_conn_terminate;
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struct fcoe_stat_ramrod_params fcoe_stat;
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struct iscsi_slow_path_hdr iscsi_empty;
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struct iscsi_init_ramrod_params iscsi_init;
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struct iscsi_spe_func_dstry iscsi_destroy;
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struct iscsi_spe_conn_offload iscsi_conn_offload;
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struct iscsi_conn_update_ramrod_params iscsi_conn_update;
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struct iscsi_spe_conn_mac_update iscsi_conn_mac_update;
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struct iscsi_spe_conn_termination iscsi_conn_terminate;
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struct vf_start_ramrod_data vf_start;
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struct vf_stop_ramrod_data vf_stop;
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};
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#define EQ_MAX_CREDIT 0xffffffff
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enum spq_priority {
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ECORE_SPQ_PRIORITY_NORMAL,
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ECORE_SPQ_PRIORITY_HIGH,
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};
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union ecore_spq_req_comp {
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struct ecore_spq_comp_cb cb;
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u64 *done_addr;
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};
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/* SPQ_MODE_EBLOCK */
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struct ecore_spq_comp_done {
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u64 done;
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u8 fw_return_code;
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};
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struct ecore_spq_entry {
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osal_list_entry_t list;
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u8 flags;
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/* HSI slow path element */
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struct slow_path_element elem;
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union ramrod_data ramrod;
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enum spq_priority priority;
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/* pending queue for this entry */
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osal_list_t *queue;
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enum spq_mode comp_mode;
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struct ecore_spq_comp_cb comp_cb;
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struct ecore_spq_comp_done comp_done; /* SPQ_MODE_EBLOCK */
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};
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struct ecore_eq {
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struct ecore_chain chain;
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u8 eq_sb_index; /* index within the SB */
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__le16 *p_fw_cons; /* ptr to index value */
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};
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struct ecore_consq {
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struct ecore_chain chain;
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};
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struct ecore_spq {
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osal_spinlock_t lock;
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osal_list_t unlimited_pending;
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osal_list_t pending;
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osal_list_t completion_pending;
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osal_list_t free_pool;
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struct ecore_chain chain;
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/* allocated dma-able memory for spq entries (+ramrod data) */
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dma_addr_t p_phys;
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struct ecore_spq_entry *p_virt;
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/* Bitmap for handling out-of-order completions */
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#define SPQ_RING_SIZE \
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(CORE_SPQE_PAGE_SIZE_BYTES / sizeof(struct slow_path_element))
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#define SPQ_COMP_BMAP_SIZE (SPQ_RING_SIZE / (sizeof(unsigned long) * 8 /* BITS_PER_LONG */))
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unsigned long p_comp_bitmap[SPQ_COMP_BMAP_SIZE];
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u8 comp_bitmap_idx;
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#define SPQ_COMP_BMAP_SET_BIT(p_spq, idx) \
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do { \
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OSAL_SET_BIT(((idx) % SPQ_RING_SIZE), (p_spq)->p_comp_bitmap); \
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} while (0)
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#define SPQ_COMP_BMAP_CLEAR_BIT(p_spq, idx) \
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do { \
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OSAL_CLEAR_BIT(((idx) % SPQ_RING_SIZE), (p_spq)->p_comp_bitmap); \
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} while (0)
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#define SPQ_COMP_BMAP_TEST_BIT(p_spq, idx) \
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(OSAL_TEST_BIT(((idx) % SPQ_RING_SIZE), (p_spq)->p_comp_bitmap))
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/* Statistics */
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u32 unlimited_pending_count;
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u32 normal_count;
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u32 high_count;
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u32 comp_sent_count;
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u32 comp_count;
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u32 cid;
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};
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struct ecore_port;
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struct ecore_hwfn;
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/**
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* @brief ecore_spq_post - Posts a Slow hwfn request to FW, or lacking that
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* Pends it to the future list.
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*
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* @param p_hwfn
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* @param p_req
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*
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* @return enum _ecore_status_t
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*/
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enum _ecore_status_t ecore_spq_post(struct ecore_hwfn *p_hwfn,
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struct ecore_spq_entry *p_ent,
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u8 *fw_return_code);
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/**
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* @brief ecore_spq_allocate - Alloocates & initializes the SPQ and EQ.
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*
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* @param p_hwfn
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*
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* @return enum _ecore_status_t
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*/
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enum _ecore_status_t ecore_spq_alloc(struct ecore_hwfn *p_hwfn);
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/**
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* @brief ecore_spq_setup - Reset the SPQ to its start state.
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*
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* @param p_hwfn
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*/
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void ecore_spq_setup(struct ecore_hwfn *p_hwfn);
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/**
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* @brief ecore_spq_deallocate - Deallocates the given SPQ struct.
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*
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* @param p_hwfn
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*/
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void ecore_spq_free(struct ecore_hwfn *p_hwfn);
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/**
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* @brief ecore_spq_get_entry - Obtain an entrry from the spq
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* free pool list.
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*
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*
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*
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* @param p_hwfn
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* @param pp_ent
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*
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* @return enum _ecore_status_t
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*/
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enum _ecore_status_t
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ecore_spq_get_entry(struct ecore_hwfn *p_hwfn,
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struct ecore_spq_entry **pp_ent);
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/**
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* @brief ecore_spq_return_entry - Return an entry to spq free
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* pool list
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*
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* @param p_hwfn
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* @param p_ent
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*/
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void ecore_spq_return_entry(struct ecore_hwfn *p_hwfn,
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struct ecore_spq_entry *p_ent);
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/**
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* @brief ecore_eq_allocate - Allocates & initializes an EQ struct
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*
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* @param p_hwfn
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* @param num_elem number of elements in the eq
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*
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* @return enum _ecore_status_t
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*/
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enum _ecore_status_t ecore_eq_alloc(struct ecore_hwfn *p_hwfn, u16 num_elem);
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/**
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* @brief ecore_eq_setup - Reset the EQ to its start state.
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*
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* @param p_hwfn
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*/
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void ecore_eq_setup(struct ecore_hwfn *p_hwfn);
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/**
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* @brief ecore_eq_free - deallocates the given EQ struct.
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*
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* @param p_hwfn
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*/
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void ecore_eq_free(struct ecore_hwfn *p_hwfn);
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/**
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* @brief ecore_eq_prod_update - update the FW with default EQ producer
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*
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* @param p_hwfn
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* @param prod
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*/
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void ecore_eq_prod_update(struct ecore_hwfn *p_hwfn,
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u16 prod);
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/**
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* @brief ecore_eq_completion - Completes currently pending EQ elements
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*
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* @param p_hwfn
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* @param cookie
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*
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* @return enum _ecore_status_t
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*/
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enum _ecore_status_t ecore_eq_completion(struct ecore_hwfn *p_hwfn,
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void *cookie);
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/**
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* @brief ecore_spq_completion - Completes a single event
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*
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* @param p_hwfn
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* @param echo - echo value from cookie (used for determining completion)
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* @param p_data - data from cookie (used in callback function if applicable)
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*
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* @return enum _ecore_status_t
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*/
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enum _ecore_status_t ecore_spq_completion(struct ecore_hwfn *p_hwfn,
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__le16 echo,
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u8 fw_return_code,
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union event_ring_data *p_data);
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/**
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* @brief ecore_spq_get_cid - Given p_hwfn, return cid for the hwfn's SPQ
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*
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* @param p_hwfn
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*
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* @return u32 - SPQ CID
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*/
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u32 ecore_spq_get_cid(struct ecore_hwfn *p_hwfn);
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/**
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* @brief ecore_consq_alloc - Allocates & initializes an ConsQ struct
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*
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* @param p_hwfn
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*
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* @return enum _ecore_status_t
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*/
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enum _ecore_status_t ecore_consq_alloc(struct ecore_hwfn *p_hwfn);
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/**
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* @brief ecore_consq_setup - Reset the ConsQ to its start state.
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*
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* @param p_hwfn
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*/
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void ecore_consq_setup(struct ecore_hwfn *p_hwfn);
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/**
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* @brief ecore_consq_free - deallocates the given ConsQ struct.
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*
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* @param p_hwfn
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*/
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void ecore_consq_free(struct ecore_hwfn *p_hwfn);
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#endif /* __ECORE_SPQ_H__ */
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