cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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scu_completion_codes.h (11760B)


      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_ */