linux/drivers/scsi/isci/scu_completion_codes.h
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   1/*
   2 * This file is provided under a dual BSD/GPLv2 license.  When using or
   3 * redistributing this file, you may do so under either license.
   4 *
   5 * GPL LICENSE SUMMARY
   6 *
   7 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
   8 *
   9 * This program is free software; you can redistribute it and/or modify
  10 * it under the terms of version 2 of the GNU General Public License as
  11 * published by the Free Software Foundation.
  12 *
  13 * This program is distributed in the hope that it will be useful, but
  14 * WITHOUT ANY WARRANTY; without even the implied warranty of
  15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16 * General Public License for more details.
  17 *
  18 * You should have received a copy of the GNU General Public License
  19 * along with this program; if not, write to the Free Software
  20 * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
  21 * The full GNU General Public License is included in this distribution
  22 * in the file called LICENSE.GPL.
  23 *
  24 * BSD LICENSE
  25 *
  26 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
  27 * All rights reserved.
  28 *
  29 * Redistribution and use in source and binary forms, with or without
  30 * modification, are permitted provided that the following conditions
  31 * are met:
  32 *
  33 *   * Redistributions of source code must retain the above copyright
  34 *     notice, this list of conditions and the following disclaimer.
  35 *   * Redistributions in binary form must reproduce the above copyright
  36 *     notice, this list of conditions and the following disclaimer in
  37 *     the documentation and/or other materials provided with the
  38 *     distribution.
  39 *   * Neither the name of Intel Corporation nor the names of its
  40 *     contributors may be used to endorse or promote products derived
  41 *     from this software without specific prior written permission.
  42 *
  43 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  44 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  45 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  46 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  47 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  48 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  49 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  50 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  51 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  52 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  53 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  54 */
  55
  56#ifndef _SCU_COMPLETION_CODES_HEADER_
  57#define _SCU_COMPLETION_CODES_HEADER_
  58
  59/**
  60 * This file contains the constants and macros for the SCU hardware completion
  61 *    codes.
  62 *
  63 *
  64 */
  65
  66#define SCU_COMPLETION_TYPE_SHIFT      28
  67#define SCU_COMPLETION_TYPE_MASK       0x70000000
  68
  69/**
  70 * SCU_COMPLETION_TYPE() -
  71 *
  72 * This macro constructs an SCU completion type
  73 */
  74#define SCU_COMPLETION_TYPE(type) \
  75        ((u32)(type) << SCU_COMPLETION_TYPE_SHIFT)
  76
  77/**
  78 * SCU_COMPLETION_TYPE() -
  79 *
  80 * These macros contain the SCU completion types SCU_COMPLETION_TYPE
  81 */
  82#define SCU_COMPLETION_TYPE_TASK       SCU_COMPLETION_TYPE(0)
  83#define SCU_COMPLETION_TYPE_SDMA       SCU_COMPLETION_TYPE(1)
  84#define SCU_COMPLETION_TYPE_UFI        SCU_COMPLETION_TYPE(2)
  85#define SCU_COMPLETION_TYPE_EVENT      SCU_COMPLETION_TYPE(3)
  86#define SCU_COMPLETION_TYPE_NOTIFY     SCU_COMPLETION_TYPE(4)
  87
  88/**
  89 *
  90 *
  91 * These constants provide the shift and mask values for the various parts of
  92 * an SCU completion code.
  93 */
  94#define SCU_COMPLETION_STATUS_MASK       0x0FFC0000
  95#define SCU_COMPLETION_TL_STATUS_MASK    0x0FC00000
  96#define SCU_COMPLETION_TL_STATUS_SHIFT   22
  97#define SCU_COMPLETION_SDMA_STATUS_MASK  0x003C0000
  98#define SCU_COMPLETION_PEG_MASK          0x00010000
  99#define SCU_COMPLETION_PORT_MASK         0x00007000
 100#define SCU_COMPLETION_PE_MASK           SCU_COMPLETION_PORT_MASK
 101#define SCU_COMPLETION_PE_SHIFT          12
 102#define SCU_COMPLETION_INDEX_MASK        0x00000FFF
 103
 104/**
 105 * SCU_GET_COMPLETION_TYPE() -
 106 *
 107 * This macro returns the SCU completion type.
 108 */
 109#define SCU_GET_COMPLETION_TYPE(completion_code) \
 110        ((completion_code) & SCU_COMPLETION_TYPE_MASK)
 111
 112/**
 113 * SCU_GET_COMPLETION_STATUS() -
 114 *
 115 * This macro returns the SCU completion status.
 116 */
 117#define SCU_GET_COMPLETION_STATUS(completion_code) \
 118        ((completion_code) & SCU_COMPLETION_STATUS_MASK)
 119
 120/**
 121 * SCU_GET_COMPLETION_TL_STATUS() -
 122 *
 123 * This macro returns the transport layer completion status.
 124 */
 125#define SCU_GET_COMPLETION_TL_STATUS(completion_code) \
 126        ((completion_code) & SCU_COMPLETION_TL_STATUS_MASK)
 127
 128/**
 129 * SCU_MAKE_COMPLETION_STATUS() -
 130 *
 131 * This macro takes a completion code and performs the shift and mask
 132 * operations to turn it into a completion code that can be compared to a
 133 * SCU_GET_COMPLETION_TL_STATUS.
 134 */
 135#define SCU_MAKE_COMPLETION_STATUS(completion_code) \
 136        ((u32)(completion_code) << SCU_COMPLETION_TL_STATUS_SHIFT)
 137
 138/**
 139 * SCU_NORMALIZE_COMPLETION_STATUS() -
 140 *
 141 * This macro takes a SCU_GET_COMPLETION_TL_STATUS and normalizes it for a
 142 * return code.
 143 */
 144#define SCU_NORMALIZE_COMPLETION_STATUS(completion_code) \
 145        (\
 146                ((completion_code) & SCU_COMPLETION_TL_STATUS_MASK) \
 147                >> SCU_COMPLETION_TL_STATUS_SHIFT \
 148        )
 149
 150/**
 151 * SCU_GET_COMPLETION_SDMA_STATUS() -
 152 *
 153 * This macro returns the SDMA completion status.
 154 */
 155#define SCU_GET_COMPLETION_SDMA_STATUS(completion_code) \
 156        ((completion_code) & SCU_COMPLETION_SDMA_STATUS_MASK)
 157
 158/**
 159 * SCU_GET_COMPLETION_PEG() -
 160 *
 161 * This macro returns the Protocol Engine Group from the completion code.
 162 */
 163#define SCU_GET_COMPLETION_PEG(completion_code) \
 164        ((completion_code) & SCU_COMPLETION_PEG_MASK)
 165
 166/**
 167 * SCU_GET_COMPLETION_PORT() -
 168 *
 169 * This macro reuturns the logical port index from the completion code.
 170 */
 171#define SCU_GET_COMPLETION_PORT(completion_code) \
 172        ((completion_code) & SCU_COMPLETION_PORT_MASK)
 173
 174/**
 175 * SCU_GET_PROTOCOL_ENGINE_INDEX() -
 176 *
 177 * This macro returns the PE index from the completion code.
 178 */
 179#define SCU_GET_PROTOCOL_ENGINE_INDEX(completion_code) \
 180        (((completion_code) & SCU_COMPLETION_PE_MASK) >> SCU_COMPLETION_PE_SHIFT)
 181
 182/**
 183 * SCU_GET_COMPLETION_INDEX() -
 184 *
 185 * This macro returns the index of the completion which is either a TCi or an
 186 * RNi depending on the completion type.
 187 */
 188#define SCU_GET_COMPLETION_INDEX(completion_code) \
 189        ((completion_code) & SCU_COMPLETION_INDEX_MASK)
 190
 191#define SCU_UNSOLICITED_FRAME_MASK     0x0FFF0000
 192#define SCU_UNSOLICITED_FRAME_SHIFT    16
 193
 194/**
 195 * SCU_GET_FRAME_INDEX() -
 196 *
 197 * This macro returns a normalized frame index from an unsolicited frame
 198 * completion.
 199 */
 200#define SCU_GET_FRAME_INDEX(completion_code) \
 201        (\
 202                ((completion_code) & SCU_UNSOLICITED_FRAME_MASK) \
 203                >> SCU_UNSOLICITED_FRAME_SHIFT \
 204        )
 205
 206#define SCU_UNSOLICITED_FRAME_ERROR_MASK  0x00008000
 207
 208/**
 209 * SCU_GET_FRAME_ERROR() -
 210 *
 211 * This macro returns a zero (0) value if there is no frame error otherwise it
 212 * returns non-zero (!0).
 213 */
 214#define SCU_GET_FRAME_ERROR(completion_code) \
 215        ((completion_code) & SCU_UNSOLICITED_FRAME_ERROR_MASK)
 216
 217/**
 218 *
 219 *
 220 * These constants represent normalized completion codes which must be shifted
 221 * 18 bits to match it with the hardware completion code. In a 16-bit compiler,
 222 * immediate constants are 16-bit values (the size of an int). If we shift
 223 * those by 18 bits, we completely lose the value. To ensure the value is a
 224 * 32-bit value like we want, each immediate value must be cast to a u32.
 225 */
 226#define SCU_TASK_DONE_GOOD                                  ((u32)0x00)
 227#define SCU_TASK_DONE_TX_RAW_CMD_ERR                        ((u32)0x08)
 228#define SCU_TASK_DONE_CRC_ERR                               ((u32)0x14)
 229#define SCU_TASK_DONE_CHECK_RESPONSE                        ((u32)0x14)
 230#define SCU_TASK_DONE_GEN_RESPONSE                          ((u32)0x15)
 231#define SCU_TASK_DONE_NAK_CMD_ERR                           ((u32)0x16)
 232#define SCU_TASK_DONE_CMD_LL_R_ERR                          ((u32)0x16)
 233#define SCU_TASK_DONE_LL_R_ERR                              ((u32)0x17)
 234#define SCU_TASK_DONE_ACK_NAK_TO                            ((u32)0x17)
 235#define SCU_TASK_DONE_LL_PERR                               ((u32)0x18)
 236#define SCU_TASK_DONE_LL_SY_TERM                            ((u32)0x19)
 237#define SCU_TASK_DONE_NAK_ERR                               ((u32)0x19)
 238#define SCU_TASK_DONE_LL_LF_TERM                            ((u32)0x1A)
 239#define SCU_TASK_DONE_DATA_LEN_ERR                          ((u32)0x1A)
 240#define SCU_TASK_DONE_LL_CL_TERM                            ((u32)0x1B)
 241#define SCU_TASK_DONE_BREAK_RCVD                            ((u32)0x1B)
 242#define SCU_TASK_DONE_LL_ABORT_ERR                          ((u32)0x1B)
 243#define SCU_TASK_DONE_SEQ_INV_TYPE                          ((u32)0x1C)
 244#define SCU_TASK_DONE_UNEXP_XR                              ((u32)0x1C)
 245#define SCU_TASK_DONE_INV_FIS_TYPE                          ((u32)0x1D)
 246#define SCU_TASK_DONE_XR_IU_LEN_ERR                         ((u32)0x1D)
 247#define SCU_TASK_DONE_INV_FIS_LEN                           ((u32)0x1E)
 248#define SCU_TASK_DONE_XR_WD_LEN                             ((u32)0x1E)
 249#define SCU_TASK_DONE_SDMA_ERR                              ((u32)0x1F)
 250#define SCU_TASK_DONE_OFFSET_ERR                            ((u32)0x20)
 251#define SCU_TASK_DONE_MAX_PLD_ERR                           ((u32)0x21)
 252#define SCU_TASK_DONE_EXCESS_DATA                           ((u32)0x22)
 253#define SCU_TASK_DONE_LF_ERR                                ((u32)0x23)
 254#define SCU_TASK_DONE_UNEXP_FIS                             ((u32)0x24)
 255#define SCU_TASK_DONE_UNEXP_RESP                            ((u32)0x24)
 256#define SCU_TASK_DONE_EARLY_RESP                            ((u32)0x25)
 257#define SCU_TASK_DONE_SMP_RESP_TO_ERR                       ((u32)0x26)
 258#define SCU_TASK_DONE_DMASETUP_DIRERR                       ((u32)0x27)
 259#define SCU_TASK_DONE_SMP_UFI_ERR                           ((u32)0x27)
 260#define SCU_TASK_DONE_XFERCNT_ERR                           ((u32)0x28)
 261#define SCU_TASK_DONE_SMP_FRM_TYPE_ERR                      ((u32)0x28)
 262#define SCU_TASK_DONE_SMP_LL_RX_ERR                         ((u32)0x29)
 263#define SCU_TASK_DONE_RESP_LEN_ERR                          ((u32)0x2A)
 264#define SCU_TASK_DONE_UNEXP_DATA                            ((u32)0x2B)
 265#define SCU_TASK_DONE_OPEN_FAIL                             ((u32)0x2C)
 266#define SCU_TASK_DONE_UNEXP_SDBFIS                          ((u32)0x2D)
 267#define SCU_TASK_DONE_REG_ERR                               ((u32)0x2E)
 268#define SCU_TASK_DONE_SDB_ERR                               ((u32)0x2F)
 269#define SCU_TASK_DONE_TASK_ABORT                            ((u32)0x30)
 270#define SCU_TASK_DONE_CMD_SDMA_ERR                          ((U32)0x32)
 271#define SCU_TASK_DONE_CMD_LL_ABORT_ERR                      ((U32)0x33)
 272#define SCU_TASK_OPEN_REJECT_WRONG_DESTINATION              ((u32)0x34)
 273#define SCU_TASK_OPEN_REJECT_RESERVED_ABANDON_1             ((u32)0x35)
 274#define SCU_TASK_OPEN_REJECT_RESERVED_ABANDON_2             ((u32)0x36)
 275#define SCU_TASK_OPEN_REJECT_RESERVED_ABANDON_3             ((u32)0x37)
 276#define SCU_TASK_OPEN_REJECT_BAD_DESTINATION                ((u32)0x38)
 277#define SCU_TASK_OPEN_REJECT_ZONE_VIOLATION                 ((u32)0x39)
 278#define SCU_TASK_DONE_VIIT_ENTRY_NV                         ((u32)0x3A)
 279#define SCU_TASK_DONE_IIT_ENTRY_NV                          ((u32)0x3B)
 280#define SCU_TASK_DONE_RNCNV_OUTBOUND                        ((u32)0x3C)
 281#define SCU_TASK_OPEN_REJECT_STP_RESOURCES_BUSY             ((u32)0x3D)
 282#define SCU_TASK_OPEN_REJECT_PROTOCOL_NOT_SUPPORTED         ((u32)0x3E)
 283#define SCU_TASK_OPEN_REJECT_CONNECTION_RATE_NOT_SUPPORTED  ((u32)0x3F)
 284
 285#endif /* _SCU_COMPLETION_CODES_HEADER_ */
 286