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 * $FreeBSD$ 32 */ 33 34/** 35 * @file 36 * 37 */ 38 39#ifndef __OCS_UTILS_H 40#define __OCS_UTILS_H 41 42#include "ocs_list.h" 43typedef struct ocs_array_s ocs_array_t; 44 45extern void ocs_array_set_slablen(uint32_t len); 46extern ocs_array_t *ocs_array_alloc(ocs_os_handle_t os, uint32_t size, uint32_t count); 47extern void ocs_array_free(ocs_array_t *array); 48extern void *ocs_array_get(ocs_array_t *array, uint32_t idx); 49extern uint32_t ocs_array_get_count(ocs_array_t *array); 50extern uint32_t ocs_array_get_size(ocs_array_t *array); 51 52/* Void pointer array and iterator */ 53typedef struct ocs_varray_s ocs_varray_t; 54 55extern ocs_varray_t *ocs_varray_alloc(ocs_os_handle_t os, uint32_t entry_count); 56extern void ocs_varray_free(ocs_varray_t *ai); 57extern int32_t ocs_varray_add(ocs_varray_t *ai, void *entry); 58extern void ocs_varray_iter_reset(ocs_varray_t *ai); 59extern void *ocs_varray_iter_next(ocs_varray_t *ai); 60extern void *_ocs_varray_iter_next(ocs_varray_t *ai); 61extern void ocs_varray_lock(ocs_varray_t *ai); 62extern void ocs_varray_unlock(ocs_varray_t *ai); 63extern uint32_t ocs_varray_get_count(ocs_varray_t *ai); 64 65/*************************************************************************** 66 * Circular buffer 67 * 68 */ 69 70typedef struct ocs_cbuf_s ocs_cbuf_t; 71 72extern ocs_cbuf_t *ocs_cbuf_alloc(ocs_os_handle_t os, uint32_t entry_count); 73extern void ocs_cbuf_free(ocs_cbuf_t *cbuf); 74extern void *ocs_cbuf_get(ocs_cbuf_t *cbuf, int32_t timeout_usec); 75extern int32_t ocs_cbuf_put(ocs_cbuf_t *cbuf, void *elem); 76extern int32_t ocs_cbuf_prime(ocs_cbuf_t *cbuf, ocs_array_t *array); 77 78typedef struct { 79 void *vaddr; 80 uint32_t length; 81} ocs_scsi_vaddr_len_t; 82 83#define OCS_TEXTBUF_MAX_ALLOC_LEN (256*1024) 84 85typedef struct { 86 ocs_list_link_t link; 87 uint8_t user_allocated:1; 88 uint8_t *buffer; 89 uint32_t buffer_length; 90 uint32_t buffer_written; 91} ocs_textbuf_segment_t; 92 93typedef struct { 94 ocs_t *ocs; 95 ocs_list_t segment_list; 96 uint8_t extendable:1; 97 uint32_t allocation_length; 98 uint32_t total_allocation_length; 99 uint32_t max_allocation_length; 100} ocs_textbuf_t; 101 102extern int32_t ocs_textbuf_alloc(ocs_t *ocs, ocs_textbuf_t *textbuf, uint32_t length); 103extern uint32_t ocs_textbuf_initialized(ocs_textbuf_t *textbuf); 104extern int32_t ocs_textbuf_init(ocs_t *ocs, ocs_textbuf_t *textbuf, void *buffer, uint32_t length); 105extern void ocs_textbuf_free(ocs_t *ocs, ocs_textbuf_t *textbuf); 106extern void ocs_textbuf_putc(ocs_textbuf_t *textbuf, uint8_t c); 107extern void ocs_textbuf_puts(ocs_textbuf_t *textbuf, char *s); 108__attribute__((format(printf,2,3))) 109extern void ocs_textbuf_printf(ocs_textbuf_t *textbuf, const char *fmt, ...); 110__attribute__((format(printf,2,0))) 111extern void ocs_textbuf_vprintf(ocs_textbuf_t *textbuf, const char *fmt, va_list ap); 112extern void ocs_textbuf_buffer(ocs_textbuf_t *textbuf, uint8_t *buffer, uint32_t buffer_length); 113extern void ocs_textbuf_copy(ocs_textbuf_t *textbuf, uint8_t *buffer, uint32_t buffer_length); 114extern int32_t ocs_textbuf_remaining(ocs_textbuf_t *textbuf); 115extern void ocs_textbuf_reset(ocs_textbuf_t *textbuf); 116extern uint8_t *ocs_textbuf_get_buffer(ocs_textbuf_t *textbuf); 117extern int32_t ocs_textbuf_get_length(ocs_textbuf_t *textbuf); 118extern int32_t ocs_textbuf_get_written(ocs_textbuf_t *textbuf); 119extern uint8_t *ocs_textbuf_ext_get_buffer(ocs_textbuf_t *textbuf, uint32_t idx); 120extern int32_t ocs_textbuf_ext_get_length(ocs_textbuf_t *textbuf, uint32_t idx); 121extern int32_t ocs_textbuf_ext_get_written(ocs_textbuf_t *textbuf, uint32_t idx); 122 123typedef struct ocs_pool_s ocs_pool_t; 124 125extern ocs_pool_t *ocs_pool_alloc(ocs_os_handle_t os, uint32_t size, uint32_t count, uint32_t use_lock); 126extern void ocs_pool_reset(ocs_pool_t *pool); 127extern void ocs_pool_free(ocs_pool_t *pool); 128extern void *ocs_pool_get(ocs_pool_t *pool); 129extern void ocs_pool_put(ocs_pool_t *pool, void *item); 130extern uint32_t ocs_pool_get_count(ocs_pool_t *pool); 131extern void *ocs_pool_get_instance(ocs_pool_t *pool, uint32_t idx); 132extern uint32_t ocs_pool_get_freelist_count(ocs_pool_t *pool); 133 134/* Uncomment this line to enable logging extended queue history 135 */ 136//#define OCS_DEBUG_QUEUE_HISTORY 137 138/* Allocate maximum allowed (4M) */ 139#if defined(OCS_DEBUG_QUEUE_HISTORY) 140#define OCS_Q_HIST_SIZE (1000000UL) /* Size in words */ 141#endif 142 143#define OCS_LOG_ENABLE_SM_TRACE(ocs) (((ocs) != NULL) ? (((ocs)->logmask & (1U << 0)) != 0) : 0) 144#define OCS_LOG_ENABLE_ELS_TRACE(ocs) (((ocs) != NULL) ? (((ocs)->logmask & (1U << 1)) != 0) : 0) 145#define OCS_LOG_ENABLE_SCSI_TRACE(ocs) (((ocs) != NULL) ? (((ocs)->logmask & (1U << 2)) != 0) : 0) 146#define OCS_LOG_ENABLE_SCSI_TGT_TRACE(ocs) (((ocs) != NULL) ? (((ocs)->logmask & (1U << 3)) != 0) : 0) 147#define OCS_LOG_ENABLE_DOMAIN_SM_TRACE(ocs) (((ocs) != NULL) ? (((ocs)->logmask & (1U << 4)) != 0) : 0) 148#define OCS_LOG_ENABLE_Q_FULL_BUSY_MSG(ocs) (((ocs) != NULL) ? (((ocs)->logmask & (1U << 5)) != 0) : 0) 149#define OCS_LOG_ENABLE_IO_ERRORS(ocs) (((ocs) != NULL) ? (((ocs)->logmask & (1U << 6)) != 0) : 0) 150 151extern void ocs_dump32(uint32_t, ocs_os_handle_t, const char *, void *, uint32_t); 152extern void ocs_debug_enable(uint32_t mask); 153extern void ocs_debug_disable(uint32_t mask); 154extern int ocs_debug_is_enabled(uint32_t mask); 155extern void ocs_debug_attach(void *); 156extern void ocs_debug_detach(void *); 157 158#if defined(OCS_DEBUG_QUEUE_HISTORY) 159 160/** 161 * @brief Queue history footer 162 */ 163typedef union ocs_q_hist_ftr_u { 164 uint32_t word; 165 struct { 166#define Q_HIST_TYPE_LEN 3 167#define Q_HIST_MASK_LEN 29 168 uint32_t mask:Q_HIST_MASK_LEN, 169 type:Q_HIST_TYPE_LEN; 170 } s; 171} ocs_q_hist_ftr_t; 172 173/** 174 * @brief WQE command mask lookup 175 */ 176typedef struct ocs_q_hist_wqe_mask_s { 177 uint8_t command; 178 uint32_t mask; 179} ocs_q_hist_wqe_mask_t; 180 181/** 182 * @brief CQE mask lookup 183 */ 184typedef struct ocs_q_hist_cqe_mask_s { 185 uint8_t ctype; 186 uint32_t :Q_HIST_MASK_LEN, 187 type:Q_HIST_TYPE_LEN; 188 uint32_t mask; 189 uint32_t mask_err; 190} ocs_q_hist_cqe_mask_t; 191 192/** 193 * @brief Queue history type 194 */ 195typedef enum { 196 /* changes need to be made to ocs_queue_history_type_name() as well */ 197 OCS_Q_HIST_TYPE_WQE = 0, 198 OCS_Q_HIST_TYPE_CWQE, 199 OCS_Q_HIST_TYPE_CXABT, 200 OCS_Q_HIST_TYPE_MISC, 201} ocs_q_hist_type_t; 202 203static __inline const char * 204ocs_queue_history_type_name(ocs_q_hist_type_t type) 205{ 206 switch (type) { 207 case OCS_Q_HIST_TYPE_WQE: return "wqe"; break; 208 case OCS_Q_HIST_TYPE_CWQE: return "wcqe"; break; 209 case OCS_Q_HIST_TYPE_CXABT: return "xacqe"; break; 210 case OCS_Q_HIST_TYPE_MISC: return "misc"; break; 211 default: return "unknown"; break; 212 } 213} 214 215typedef struct { 216 ocs_t *ocs; 217 uint32_t *q_hist; 218 uint32_t q_hist_index; 219 ocs_lock_t q_hist_lock; 220} ocs_hw_q_hist_t; 221 222extern void ocs_queue_history_cqe(ocs_hw_q_hist_t*, uint8_t, uint32_t *, uint8_t, uint32_t, uint32_t); 223extern void ocs_queue_history_wq(ocs_hw_q_hist_t*, uint32_t *, uint32_t, uint32_t); 224extern void ocs_queue_history_misc(ocs_hw_q_hist_t*, uint32_t *, uint32_t); 225extern void ocs_queue_history_init(ocs_t *, ocs_hw_q_hist_t*); 226extern void ocs_queue_history_free(ocs_hw_q_hist_t*); 227extern uint32_t ocs_queue_history_prev_index(uint32_t); 228extern uint8_t ocs_queue_history_q_info_enabled(void); 229extern uint8_t ocs_queue_history_timestamp_enabled(void); 230#else 231#define ocs_queue_history_wq(...) 232#define ocs_queue_history_cqe(...) 233#define ocs_queue_history_misc(...) 234#define ocs_queue_history_init(...) 235#define ocs_queue_history_free(...) 236#endif 237 238#define OCS_DEBUG_ALWAYS (1U << 0) 239#define OCS_DEBUG_ENABLE_MQ_DUMP (1U << 1) 240#define OCS_DEBUG_ENABLE_CQ_DUMP (1U << 2) 241#define OCS_DEBUG_ENABLE_WQ_DUMP (1U << 3) 242#define OCS_DEBUG_ENABLE_EQ_DUMP (1U << 4) 243#define OCS_DEBUG_ENABLE_SPARAM_DUMP (1U << 5) 244 245extern void _ocs_assert(const char *cond, const char *filename, int linenum); 246 247#define ocs_assert(cond, ...) \ 248 do { \ 249 if (!(cond)) { \ 250 _ocs_assert(#cond, __FILE__, __LINE__); \ 251 return __VA_ARGS__; \ 252 } \ 253 } while (0) 254 255extern void ocs_dump_service_params(const char *label, void *sparms); 256extern void ocs_display_sparams(const char *prelabel, const char *reqlabel, int dest, void *textbuf, void *sparams); 257 258typedef struct { 259 uint16_t crc; 260 uint16_t app_tag; 261 uint32_t ref_tag; 262} ocs_dif_t; 263 264/* DIF guard calculations */ 265extern uint16_t ocs_scsi_dif_calc_crc(const uint8_t *, uint32_t size, uint16_t crc); 266extern uint16_t ocs_scsi_dif_calc_checksum(ocs_scsi_vaddr_len_t addrlen[], uint32_t addrlen_count); 267 268/** 269 * @brief Power State change message types 270 * 271 */ 272typedef enum { 273 OCS_PM_PREPARE = 1, 274 OCS_PM_SLEEP, 275 OCS_PM_HIBERNATE, 276 OCS_PM_RESUME, 277} ocs_pm_msg_e; 278 279/** 280 * @brief Power State values 281 * 282 */ 283typedef enum { 284 OCS_PM_STATE_S0 = 0, 285 OCS_PM_STATE_S1, 286 OCS_PM_STATE_S2, 287 OCS_PM_STATE_S3, 288 OCS_PM_STATE_S4, 289} ocs_pm_state_e; 290 291typedef struct { 292 ocs_pm_state_e pm_state; /*<< Current PM state */ 293} ocs_pm_context_t; 294 295extern int32_t ocs_pm_request(ocs_t *ocs, ocs_pm_msg_e msg, int32_t (*callback)(ocs_t *ocs, int32_t status, void *arg), 296 void *arg); 297extern ocs_pm_state_e ocs_pm_get_state(ocs_t *ocs); 298extern const char *ocs_pm_get_state_string(ocs_t *ocs); 299 300#define SPV_ROWLEN 256 301#define SPV_DIM 3 302 303/*! 304* @defgroup spv Sparse Vector 305*/ 306 307/** 308 * @brief Sparse vector structure. 309 */ 310typedef struct sparse_vector_s { 311 ocs_os_handle_t os; 312 uint32_t max_idx; /**< maximum index value */ 313 void **array; /**< pointer to 3D array */ 314} *sparse_vector_t; 315 316extern void spv_del(sparse_vector_t spv); 317extern sparse_vector_t spv_new(ocs_os_handle_t os); 318extern void spv_set(sparse_vector_t sv, uint32_t idx, void *value); 319extern void *spv_get(sparse_vector_t sv, uint32_t idx); 320 321extern unsigned short t10crc16(const unsigned char *blk_adr, unsigned long blk_len, unsigned short crc); 322 323typedef struct ocs_ramlog_s ocs_ramlog_t; 324 325#define OCS_RAMLOG_DEFAULT_BUFFERS 5 326 327extern ocs_ramlog_t *ocs_ramlog_init(ocs_t *ocs, uint32_t buffer_len, uint32_t buffer_count); 328extern void ocs_ramlog_free(ocs_t *ocs, ocs_ramlog_t *ramlog); 329extern void ocs_ramlog_clear(ocs_t *ocs, ocs_ramlog_t *ramlog, int clear_start_of_day, int clear_recent); 330__attribute__((format(printf,2,3))) 331extern int32_t ocs_ramlog_printf(void *os, const char *fmt, ...); 332__attribute__((format(printf,2,0))) 333extern int32_t ocs_ramlog_vprintf(ocs_ramlog_t *ramlog, const char *fmt, va_list ap); 334extern int32_t ocs_ddump_ramlog(ocs_textbuf_t *textbuf, ocs_ramlog_t *ramlog); 335 336#endif 337