1 /*- 2 * Copyright (c) 2017 Broadcom. All rights reserved. 3 * The term "Broadcom" refers to Broadcom Limited and/or its subsidiaries. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright notice, 12 * this list of conditions and the following disclaimer in the documentation 13 * and/or other materials provided with the distribution. 14 * 15 * 3. Neither the name of the copyright holder nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 23 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /** 33 * @file 34 * 35 */ 36 37 #ifndef __OCS_HW_QUEUES_H__ 38 #define __OCS_HW_QUEUES_H__ 39 40 #define OCS_HW_MQ_DEPTH 128 41 42 typedef enum { 43 QTOP_EQ = 0, 44 QTOP_CQ, 45 QTOP_WQ, 46 QTOP_RQ, 47 QTOP_MQ, 48 QTOP_LAST, 49 } ocs_hw_qtop_entry_e; 50 51 typedef struct { 52 ocs_hw_qtop_entry_e entry; 53 uint8_t set_default; 54 uint32_t len; 55 uint8_t class; 56 uint8_t ulp; 57 uint8_t filter_mask; 58 } ocs_hw_qtop_entry_t; 59 60 typedef struct { 61 struct rq_config { 62 hw_eq_t *eq; 63 uint32_t len; 64 uint8_t class; 65 uint8_t ulp; 66 uint8_t filter_mask; 67 } rq_cfg[16]; 68 uint32_t num_pairs; 69 } ocs_hw_mrq_t; 70 71 #define MAX_TOKENS 256 72 #define OCS_HW_MAX_QTOP_ENTRIES 200 73 74 typedef struct { 75 ocs_os_handle_t os; 76 ocs_hw_qtop_entry_t *entries; 77 uint32_t alloc_count; 78 uint32_t inuse_count; 79 uint32_t entry_counts[QTOP_LAST]; 80 uint32_t rptcount[10]; 81 uint32_t rptcount_idx; 82 } ocs_hw_qtop_t; 83 84 extern ocs_hw_qtop_t *ocs_hw_qtop_parse(ocs_hw_t *hw, const char *qtop_string); 85 extern void ocs_hw_qtop_free(ocs_hw_qtop_t *qtop); 86 extern const char *ocs_hw_qtop_entry_name(ocs_hw_qtop_entry_e entry); 87 extern uint32_t ocs_hw_qtop_eq_count(ocs_hw_t *hw); 88 89 extern ocs_hw_rtn_e ocs_hw_init_queues(ocs_hw_t *hw, ocs_hw_qtop_t *qtop); 90 extern void hw_thread_eq_handler(ocs_hw_t *hw, hw_eq_t *eq, uint32_t max_isr_time_msec); 91 extern void hw_thread_cq_handler(ocs_hw_t *hw, hw_cq_t *cq); 92 extern hw_wq_t *ocs_hw_queue_next_wq(ocs_hw_t *hw, ocs_hw_io_t *io); 93 94 #endif /* __OCS_HW_QUEUES_H__ */ 95