freebsd-dev/sys/dev/ocs_fc/ocs_hw_queues.h
2020-09-01 22:02:12 +00:00

97 lines
3.0 KiB
C

/*-
* 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__ */