1 /*- 2 * Copyright (C) 2012 Intel Corporation 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 #ifndef __IOAT_HW_H__ 27 #define __IOAT_HW_H__ 28 29 #define IOAT_MAX_CHANNELS 32 30 31 #define IOAT_CHANCNT_OFFSET 0x00 32 33 #define IOAT_XFERCAP_OFFSET 0x01 34 /* Only bits [4:0] are valid. */ 35 #define IOAT_XFERCAP_VALID_MASK 0x1f 36 37 #define IOAT_GENCTRL_OFFSET 0x02 38 39 #define IOAT_INTRCTRL_OFFSET 0x03 40 #define IOAT_INTRCTRL_MASTER_INT_EN 0x01 41 42 #define IOAT_ATTNSTATUS_OFFSET 0x04 43 44 #define IOAT_CBVER_OFFSET 0x08 45 46 #define IOAT_INTRDELAY_OFFSET 0x0C 47 #define IOAT_INTRDELAY_SUPPORTED (1 << 15) 48 /* Reserved. (1 << 14) */ 49 /* [13:0] is the coalesce period, in microseconds. */ 50 #define IOAT_INTRDELAY_US_MASK ((1 << 14) - 1) 51 52 #define IOAT_CS_STATUS_OFFSET 0x0E 53 54 #define IOAT_DMACAPABILITY_OFFSET 0x10 55 56 /* DMA Channel Registers */ 57 #define IOAT_CHANCTRL_OFFSET 0x80 58 #define IOAT_CHANCTRL_CHANNEL_PRIORITY_MASK 0xF000 59 #define IOAT_CHANCTRL_COMPL_DCA_EN 0x0200 60 #define IOAT_CHANCTRL_CHANNEL_IN_USE 0x0100 61 #define IOAT_CHANCTRL_DESCRIPTOR_ADDR_SNOOP_CONTROL 0x0020 62 #define IOAT_CHANCTRL_ERR_INT_EN 0x0010 63 #define IOAT_CHANCTRL_ANY_ERR_ABORT_EN 0x0008 64 #define IOAT_CHANCTRL_ERR_COMPLETION_EN 0x0004 65 #define IOAT_CHANCTRL_INT_REARM 0x0001 66 #define IOAT_CHANCTRL_RUN (IOAT_CHANCTRL_INT_REARM |\ 67 IOAT_CHANCTRL_ERR_COMPLETION_EN |\ 68 IOAT_CHANCTRL_ANY_ERR_ABORT_EN |\ 69 IOAT_CHANCTRL_ERR_INT_EN) 70 71 #define IOAT_CHANCMD_OFFSET 0x84 72 #define IOAT_CHANCMD_RESET 0x20 73 #define IOAT_CHANCMD_SUSPEND 0x04 74 75 #define IOAT_DMACOUNT_OFFSET 0x86 76 77 #define IOAT_CHANSTS_OFFSET_LOW 0x88 78 #define IOAT_CHANSTS_OFFSET_HIGH 0x8C 79 #define IOAT_CHANSTS_OFFSET 0x88 80 81 #define IOAT_CHANSTS_STATUS 0x7ULL 82 #define IOAT_CHANSTS_ACTIVE 0x0 83 #define IOAT_CHANSTS_IDLE 0x1 84 #define IOAT_CHANSTS_SUSPENDED 0x2 85 #define IOAT_CHANSTS_HALTED 0x3 86 #define IOAT_CHANSTS_ARMED 0x4 87 88 #define IOAT_CHANSTS_UNAFFILIATED_ERROR 0x8ULL 89 #define IOAT_CHANSTS_SOFT_ERROR 0x10ULL 90 91 #define IOAT_CHANSTS_COMPLETED_DESCRIPTOR_MASK (~0x3FULL) 92 93 #define IOAT_CHAINADDR_OFFSET_LOW 0x90 94 #define IOAT_CHAINADDR_OFFSET_HIGH 0x94 95 96 #define IOAT_CHANCMP_OFFSET_LOW 0x98 97 #define IOAT_CHANCMP_OFFSET_HIGH 0x9C 98 99 #define IOAT_CHANERR_OFFSET 0xA8 100 101 #define IOAT_CHANERR_XSADDERR (1 << 0) 102 #define IOAT_CHANERR_XDADDERR (1 << 1) 103 #define IOAT_CHANERR_NDADDERR (1 << 2) 104 #define IOAT_CHANERR_DERR (1 << 3) 105 #define IOAT_CHANERR_CHADDERR (1 << 4) 106 #define IOAT_CHANERR_CCMDERR (1 << 5) 107 #define IOAT_CHANERR_CUNCORERR (1 << 6) 108 #define IOAT_CHANERR_DUNCORERR (1 << 7) 109 #define IOAT_CHANERR_RDERR (1 << 8) 110 #define IOAT_CHANERR_WDERR (1 << 9) 111 #define IOAT_CHANERR_DCERR (1 << 10) 112 #define IOAT_CHANERR_DXSERR (1 << 11) 113 #define IOAT_CHANERR_CMPADDERR (1 << 12) 114 #define IOAT_CHANERR_INTCFGERR (1 << 13) 115 #define IOAT_CHANERR_SEDERR (1 << 14) 116 #define IOAT_CHANERR_UNAFFERR (1 << 15) 117 #define IOAT_CHANERR_CXPERR (1 << 16) 118 /* Reserved. (1 << 17) */ 119 #define IOAT_CHANERR_DCNTERR (1 << 18) 120 #define IOAT_CHANERR_DIFFERR (1 << 19) 121 #define IOAT_CHANERR_GTVERR (1 << 20) 122 #define IOAT_CHANERR_ATVERR (1 << 21) 123 #define IOAT_CHANERR_RTVERR (1 << 22) 124 #define IOAT_CHANERR_BBERR (1 << 23) 125 #define IOAT_CHANERR_RDIFFERR (1 << 24) 126 #define IOAT_CHANERR_RGTVERR (1 << 25) 127 #define IOAT_CHANERR_RATVERR (1 << 26) 128 #define IOAT_CHANERR_RRTVERR (1 << 27) 129 130 #define IOAT_CHANERR_STR \ 131 "\20\34RRTVERR\33RATVERR\32RGTVERR\31RDIFFERR\30BBERR\27RTVERR\26ATVERR" \ 132 "\25GTVERR\24DIFFERR\23DCNTERR\21CXPERR\20UNAFFERR\17SEDERR\16INTCFGERR" \ 133 "\15CMPADDERR\14DXSERR\13DCERR\12WDERR\11RDERR\10DUNCORERR\07CUNCORERR" \ 134 "\06CCMDERR\05CHADDERR\04DERR\03NDADDERR\02XDADDERR\01XSADDERR" 135 136 137 #define IOAT_CFG_CHANERR_INT_OFFSET 0x180 138 #define IOAT_CFG_CHANERRMASK_INT_OFFSET 0x184 139 140 #define IOAT_MIN_ORDER 4 141 #define IOAT_MAX_ORDER 16 142 143 #endif /* __IOAT_HW_H__ */ 144