335 lines
12 KiB
C
335 lines
12 KiB
C
/*-
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* Copyright (c) 2017 Broadcom. All rights reserved.
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* The term "Broadcom" refers to Broadcom Limited and/or its subsidiaries.
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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 are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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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 HOLDER 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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/**
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* @file
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*
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*/
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#ifndef __OCS_UTILS_H
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#define __OCS_UTILS_H
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#include "ocs_list.h"
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typedef struct ocs_array_s ocs_array_t;
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extern void ocs_array_set_slablen(uint32_t len);
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extern ocs_array_t *ocs_array_alloc(ocs_os_handle_t os, uint32_t size, uint32_t count);
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extern void ocs_array_free(ocs_array_t *array);
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extern void *ocs_array_get(ocs_array_t *array, uint32_t idx);
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extern uint32_t ocs_array_get_count(ocs_array_t *array);
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extern uint32_t ocs_array_get_size(ocs_array_t *array);
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/* Void pointer array and iterator */
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typedef struct ocs_varray_s ocs_varray_t;
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extern ocs_varray_t *ocs_varray_alloc(ocs_os_handle_t os, uint32_t entry_count);
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extern void ocs_varray_free(ocs_varray_t *ai);
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extern int32_t ocs_varray_add(ocs_varray_t *ai, void *entry);
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extern void ocs_varray_iter_reset(ocs_varray_t *ai);
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extern void *ocs_varray_iter_next(ocs_varray_t *ai);
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extern void *_ocs_varray_iter_next(ocs_varray_t *ai);
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extern void ocs_varray_lock(ocs_varray_t *ai);
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extern void ocs_varray_unlock(ocs_varray_t *ai);
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extern uint32_t ocs_varray_get_count(ocs_varray_t *ai);
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/***************************************************************************
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* Circular buffer
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*
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*/
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typedef struct ocs_cbuf_s ocs_cbuf_t;
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extern ocs_cbuf_t *ocs_cbuf_alloc(ocs_os_handle_t os, uint32_t entry_count);
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extern void ocs_cbuf_free(ocs_cbuf_t *cbuf);
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extern void *ocs_cbuf_get(ocs_cbuf_t *cbuf, int32_t timeout_usec);
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extern int32_t ocs_cbuf_put(ocs_cbuf_t *cbuf, void *elem);
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extern int32_t ocs_cbuf_prime(ocs_cbuf_t *cbuf, ocs_array_t *array);
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typedef struct {
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void *vaddr;
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uint32_t length;
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} ocs_scsi_vaddr_len_t;
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#define OCS_TEXTBUF_MAX_ALLOC_LEN (256*1024)
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typedef struct {
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ocs_list_link_t link;
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uint8_t user_allocated:1;
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uint8_t *buffer;
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uint32_t buffer_length;
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uint32_t buffer_written;
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} ocs_textbuf_segment_t;
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typedef struct {
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ocs_t *ocs;
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ocs_list_t segment_list;
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uint8_t extendable:1;
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uint32_t allocation_length;
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uint32_t total_allocation_length;
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uint32_t max_allocation_length;
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} ocs_textbuf_t;
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extern int32_t ocs_textbuf_alloc(ocs_t *ocs, ocs_textbuf_t *textbuf, uint32_t length);
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extern uint32_t ocs_textbuf_initialized(ocs_textbuf_t *textbuf);
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extern int32_t ocs_textbuf_init(ocs_t *ocs, ocs_textbuf_t *textbuf, void *buffer, uint32_t length);
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extern void ocs_textbuf_free(ocs_t *ocs, ocs_textbuf_t *textbuf);
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extern void ocs_textbuf_putc(ocs_textbuf_t *textbuf, uint8_t c);
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extern void ocs_textbuf_puts(ocs_textbuf_t *textbuf, char *s);
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__attribute__((format(printf,2,3)))
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extern void ocs_textbuf_printf(ocs_textbuf_t *textbuf, const char *fmt, ...);
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__attribute__((format(printf,2,0)))
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extern void ocs_textbuf_vprintf(ocs_textbuf_t *textbuf, const char *fmt, va_list ap);
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extern void ocs_textbuf_buffer(ocs_textbuf_t *textbuf, uint8_t *buffer, uint32_t buffer_length);
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extern void ocs_textbuf_copy(ocs_textbuf_t *textbuf, uint8_t *buffer, uint32_t buffer_length);
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extern int32_t ocs_textbuf_remaining(ocs_textbuf_t *textbuf);
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extern void ocs_textbuf_reset(ocs_textbuf_t *textbuf);
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extern uint8_t *ocs_textbuf_get_buffer(ocs_textbuf_t *textbuf);
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extern int32_t ocs_textbuf_get_length(ocs_textbuf_t *textbuf);
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extern int32_t ocs_textbuf_get_written(ocs_textbuf_t *textbuf);
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extern uint8_t *ocs_textbuf_ext_get_buffer(ocs_textbuf_t *textbuf, uint32_t idx);
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extern int32_t ocs_textbuf_ext_get_length(ocs_textbuf_t *textbuf, uint32_t idx);
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extern int32_t ocs_textbuf_ext_get_written(ocs_textbuf_t *textbuf, uint32_t idx);
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typedef struct ocs_pool_s ocs_pool_t;
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extern ocs_pool_t *ocs_pool_alloc(ocs_os_handle_t os, uint32_t size, uint32_t count, uint32_t use_lock);
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extern void ocs_pool_reset(ocs_pool_t *pool);
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extern void ocs_pool_free(ocs_pool_t *pool);
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extern void *ocs_pool_get(ocs_pool_t *pool);
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extern void ocs_pool_put(ocs_pool_t *pool, void *item);
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extern uint32_t ocs_pool_get_count(ocs_pool_t *pool);
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extern void *ocs_pool_get_instance(ocs_pool_t *pool, uint32_t idx);
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extern uint32_t ocs_pool_get_freelist_count(ocs_pool_t *pool);
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/* Uncomment this line to enable logging extended queue history
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*/
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//#define OCS_DEBUG_QUEUE_HISTORY
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/* Allocate maximum allowed (4M) */
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#if defined(OCS_DEBUG_QUEUE_HISTORY)
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#define OCS_Q_HIST_SIZE (1000000UL) /* Size in words */
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#endif
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#define OCS_LOG_ENABLE_SM_TRACE(ocs) (((ocs) != NULL) ? (((ocs)->logmask & (1U << 0)) != 0) : 0)
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#define OCS_LOG_ENABLE_ELS_TRACE(ocs) (((ocs) != NULL) ? (((ocs)->logmask & (1U << 1)) != 0) : 0)
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#define OCS_LOG_ENABLE_SCSI_TRACE(ocs) (((ocs) != NULL) ? (((ocs)->logmask & (1U << 2)) != 0) : 0)
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#define OCS_LOG_ENABLE_SCSI_TGT_TRACE(ocs) (((ocs) != NULL) ? (((ocs)->logmask & (1U << 3)) != 0) : 0)
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#define OCS_LOG_ENABLE_DOMAIN_SM_TRACE(ocs) (((ocs) != NULL) ? (((ocs)->logmask & (1U << 4)) != 0) : 0)
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#define OCS_LOG_ENABLE_Q_FULL_BUSY_MSG(ocs) (((ocs) != NULL) ? (((ocs)->logmask & (1U << 5)) != 0) : 0)
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#define OCS_LOG_ENABLE_IO_ERRORS(ocs) (((ocs) != NULL) ? (((ocs)->logmask & (1U << 6)) != 0) : 0)
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extern void ocs_dump32(uint32_t, ocs_os_handle_t, const char *, void *, uint32_t);
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extern void ocs_debug_enable(uint32_t mask);
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extern void ocs_debug_disable(uint32_t mask);
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extern int ocs_debug_is_enabled(uint32_t mask);
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extern void ocs_debug_attach(void *);
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extern void ocs_debug_detach(void *);
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#if defined(OCS_DEBUG_QUEUE_HISTORY)
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/**
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* @brief Queue history footer
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*/
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typedef union ocs_q_hist_ftr_u {
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uint32_t word;
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struct {
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#define Q_HIST_TYPE_LEN 3
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#define Q_HIST_MASK_LEN 29
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uint32_t mask:Q_HIST_MASK_LEN,
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type:Q_HIST_TYPE_LEN;
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} s;
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} ocs_q_hist_ftr_t;
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/**
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* @brief WQE command mask lookup
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*/
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typedef struct ocs_q_hist_wqe_mask_s {
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uint8_t command;
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uint32_t mask;
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} ocs_q_hist_wqe_mask_t;
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/**
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* @brief CQE mask lookup
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*/
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typedef struct ocs_q_hist_cqe_mask_s {
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uint8_t ctype;
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uint32_t :Q_HIST_MASK_LEN,
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type:Q_HIST_TYPE_LEN;
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uint32_t mask;
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uint32_t mask_err;
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} ocs_q_hist_cqe_mask_t;
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/**
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* @brief Queue history type
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*/
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typedef enum {
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/* changes need to be made to ocs_queue_history_type_name() as well */
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OCS_Q_HIST_TYPE_WQE = 0,
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OCS_Q_HIST_TYPE_CWQE,
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OCS_Q_HIST_TYPE_CXABT,
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OCS_Q_HIST_TYPE_MISC,
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} ocs_q_hist_type_t;
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static __inline const char *
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ocs_queue_history_type_name(ocs_q_hist_type_t type)
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{
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switch (type) {
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case OCS_Q_HIST_TYPE_WQE: return "wqe"; break;
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case OCS_Q_HIST_TYPE_CWQE: return "wcqe"; break;
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case OCS_Q_HIST_TYPE_CXABT: return "xacqe"; break;
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case OCS_Q_HIST_TYPE_MISC: return "misc"; break;
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default: return "unknown"; break;
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}
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}
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typedef struct {
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ocs_t *ocs;
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uint32_t *q_hist;
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uint32_t q_hist_index;
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ocs_lock_t q_hist_lock;
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} ocs_hw_q_hist_t;
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extern void ocs_queue_history_cqe(ocs_hw_q_hist_t*, uint8_t, uint32_t *, uint8_t, uint32_t, uint32_t);
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extern void ocs_queue_history_wq(ocs_hw_q_hist_t*, uint32_t *, uint32_t, uint32_t);
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extern void ocs_queue_history_misc(ocs_hw_q_hist_t*, uint32_t *, uint32_t);
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extern void ocs_queue_history_init(ocs_t *, ocs_hw_q_hist_t*);
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extern void ocs_queue_history_free(ocs_hw_q_hist_t*);
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extern uint32_t ocs_queue_history_prev_index(uint32_t);
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extern uint8_t ocs_queue_history_q_info_enabled(void);
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extern uint8_t ocs_queue_history_timestamp_enabled(void);
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#else
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#define ocs_queue_history_wq(...)
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#define ocs_queue_history_cqe(...)
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#define ocs_queue_history_misc(...)
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#define ocs_queue_history_init(...)
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#define ocs_queue_history_free(...)
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#endif
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#define OCS_DEBUG_ALWAYS (1U << 0)
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#define OCS_DEBUG_ENABLE_MQ_DUMP (1U << 1)
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#define OCS_DEBUG_ENABLE_CQ_DUMP (1U << 2)
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#define OCS_DEBUG_ENABLE_WQ_DUMP (1U << 3)
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#define OCS_DEBUG_ENABLE_EQ_DUMP (1U << 4)
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#define OCS_DEBUG_ENABLE_SPARAM_DUMP (1U << 5)
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extern void _ocs_assert(const char *cond, const char *filename, int linenum);
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#define ocs_assert(cond, ...) \
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do { \
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if (!(cond)) { \
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_ocs_assert(#cond, __FILE__, __LINE__); \
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return __VA_ARGS__; \
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} \
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} while (0)
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extern void ocs_dump_service_params(const char *label, void *sparms);
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extern void ocs_display_sparams(const char *prelabel, const char *reqlabel, int dest, void *textbuf, void *sparams);
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typedef struct {
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uint16_t crc;
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uint16_t app_tag;
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uint32_t ref_tag;
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} ocs_dif_t;
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/* DIF guard calculations */
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extern uint16_t ocs_scsi_dif_calc_crc(const uint8_t *, uint32_t size, uint16_t crc);
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extern uint16_t ocs_scsi_dif_calc_checksum(ocs_scsi_vaddr_len_t addrlen[], uint32_t addrlen_count);
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/**
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* @brief Power State change message types
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*
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*/
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typedef enum {
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OCS_PM_PREPARE = 1,
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OCS_PM_SLEEP,
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OCS_PM_HIBERNATE,
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OCS_PM_RESUME,
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} ocs_pm_msg_e;
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/**
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* @brief Power State values
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*
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*/
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typedef enum {
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OCS_PM_STATE_S0 = 0,
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OCS_PM_STATE_S1,
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OCS_PM_STATE_S2,
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OCS_PM_STATE_S3,
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OCS_PM_STATE_S4,
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} ocs_pm_state_e;
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typedef struct {
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ocs_pm_state_e pm_state; /*<< Current PM state */
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} ocs_pm_context_t;
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extern int32_t ocs_pm_request(ocs_t *ocs, ocs_pm_msg_e msg, int32_t (*callback)(ocs_t *ocs, int32_t status, void *arg),
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void *arg);
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extern ocs_pm_state_e ocs_pm_get_state(ocs_t *ocs);
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extern const char *ocs_pm_get_state_string(ocs_t *ocs);
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#define SPV_ROWLEN 256
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#define SPV_DIM 3
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/*!
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* @defgroup spv Sparse Vector
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*/
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/**
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* @brief Sparse vector structure.
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*/
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typedef struct sparse_vector_s {
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ocs_os_handle_t os;
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uint32_t max_idx; /**< maximum index value */
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void **array; /**< pointer to 3D array */
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} *sparse_vector_t;
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extern void spv_del(sparse_vector_t spv);
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extern sparse_vector_t spv_new(ocs_os_handle_t os);
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extern void spv_set(sparse_vector_t sv, uint32_t idx, void *value);
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extern void *spv_get(sparse_vector_t sv, uint32_t idx);
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extern unsigned short t10crc16(const unsigned char *blk_adr, unsigned long blk_len, unsigned short crc);
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typedef struct ocs_ramlog_s ocs_ramlog_t;
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#define OCS_RAMLOG_DEFAULT_BUFFERS 5
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extern ocs_ramlog_t *ocs_ramlog_init(ocs_t *ocs, uint32_t buffer_len, uint32_t buffer_count);
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extern void ocs_ramlog_free(ocs_t *ocs, ocs_ramlog_t *ramlog);
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extern void ocs_ramlog_clear(ocs_t *ocs, ocs_ramlog_t *ramlog, int clear_start_of_day, int clear_recent);
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__attribute__((format(printf,2,3)))
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extern int32_t ocs_ramlog_printf(void *os, const char *fmt, ...);
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__attribute__((format(printf,2,0)))
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extern int32_t ocs_ramlog_vprintf(ocs_ramlog_t *ramlog, const char *fmt, va_list ap);
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extern int32_t ocs_ddump_ramlog(ocs_textbuf_t *textbuf, ocs_ramlog_t *ramlog);
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#endif
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