FreeBSD/Linux Kernel Cross Reference
sys/dev/ocs_fc/ocs_hw_queues.h

     /*-
      * Copyright (c) 2017 Broadcom. All rights reserved.
      * The term "Broadcom" refers to Broadcom Limited and/or its subsidiaries.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions are met:
      *
      * 1. Redistributions of source code must retain the above copyright notice,
      *    this list of conditions and the following disclaimer.
     *
     * 2. 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.
     *
     * 3. Neither the name of the copyright holder nor the names of its contributors
     *    may be used to endorse or promote products derived from this software
     *    without specific prior written permission.
     *
     * 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.
     *
     * $FreeBSD$
     */
    
    /**
     * @file
     *
     */
    
    #ifndef __OCS_HW_QUEUES_H__
    #define __OCS_HW_QUEUES_H__
    
    #define OCS_HW_MQ_DEPTH 128
    
    typedef enum {
            QTOP_EQ = 0,
            QTOP_CQ,
            QTOP_WQ,
            QTOP_RQ,
            QTOP_MQ,
            QTOP_LAST,
    } ocs_hw_qtop_entry_e;
    
    typedef struct {
            ocs_hw_qtop_entry_e entry;
            uint8_t set_default;
            uint32_t len;
            uint8_t class;
            uint8_t ulp;
            uint8_t filter_mask;
    } ocs_hw_qtop_entry_t;
    
    typedef struct {
            struct rq_config {
                    hw_eq_t *eq;
                    uint32_t len;
                    uint8_t class;
                    uint8_t ulp;
                    uint8_t filter_mask;
            } rq_cfg[16];
            uint32_t num_pairs;
    } ocs_hw_mrq_t;
    
    #define MAX_TOKENS                      256
    #define OCS_HW_MAX_QTOP_ENTRIES 200
    
    typedef struct {
            ocs_os_handle_t os;
            ocs_hw_qtop_entry_t *entries;
            uint32_t alloc_count;
            uint32_t inuse_count;
            uint32_t entry_counts[QTOP_LAST];
            uint32_t rptcount[10];
            uint32_t rptcount_idx;
    } ocs_hw_qtop_t;
    
    extern ocs_hw_qtop_t *ocs_hw_qtop_parse(ocs_hw_t *hw, const char *qtop_string);
    extern void ocs_hw_qtop_free(ocs_hw_qtop_t *qtop);
    extern const char *ocs_hw_qtop_entry_name(ocs_hw_qtop_entry_e entry);
    extern uint32_t ocs_hw_qtop_eq_count(ocs_hw_t *hw);
    
    extern ocs_hw_rtn_e ocs_hw_init_queues(ocs_hw_t *hw, ocs_hw_qtop_t *qtop);
    extern void hw_thread_eq_handler(ocs_hw_t *hw, hw_eq_t *eq, uint32_t max_isr_time_msec);
    extern void hw_thread_cq_handler(ocs_hw_t *hw, hw_cq_t *cq);
    extern  hw_wq_t *ocs_hw_queue_next_wq(ocs_hw_t *hw, ocs_hw_io_t *io);
    
    #endif /* __OCS_HW_QUEUES_H__ */

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