drivers/scsi/isci/scu_completion

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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_ */
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root/drivers/scsi/isci/scu_completion_codes.h

INCLUDED FROM
