2 * Copyright (C) 2012 Intel Corporation
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
27 __FBSDID("$FreeBSD$");
32 #define IOAT_MAX_CHANNELS 32
34 #define IOAT_CHANCNT_OFFSET 0x00
36 #define IOAT_XFERCAP_OFFSET 0x01
37 /* Only bits [4:0] are valid. */
38 #define IOAT_XFERCAP_VALID_MASK 0x1f
40 #define IOAT_GENCTRL_OFFSET 0x02
42 #define IOAT_INTRCTRL_OFFSET 0x03
43 #define IOAT_INTRCTRL_MASTER_INT_EN 0x01
45 #define IOAT_ATTNSTATUS_OFFSET 0x04
47 #define IOAT_CBVER_OFFSET 0x08
49 #define IOAT_VER_3_0 0x30
50 #define IOAT_VER_3_3 0x33
52 #define IOAT_INTRDELAY_OFFSET 0x0C
53 #define IOAT_INTRDELAY_SUPPORTED (1 << 15)
54 /* Reserved. (1 << 14) */
55 /* [13:0] is the coalesce period, in microseconds. */
56 #define IOAT_INTRDELAY_US_MASK ((1 << 14) - 1)
58 #define IOAT_CS_STATUS_OFFSET 0x0E
60 #define IOAT_DMACAPABILITY_OFFSET 0x10
61 #define IOAT_DMACAP_PB (1 << 0)
62 #define IOAT_DMACAP_DCA (1 << 4)
63 #define IOAT_DMACAP_BFILL (1 << 6)
64 #define IOAT_DMACAP_XOR (1 << 8)
65 #define IOAT_DMACAP_PQ (1 << 9)
66 #define IOAT_DMACAP_DMA_DIF (1 << 10)
67 #define IOAT_DMACAP_DWBES (1 << 13)
68 #define IOAT_DMACAP_RAID16SS (1 << 17)
69 #define IOAT_DMACAP_DMAMC (1 << 18)
70 #define IOAT_DMACAP_CTOS (1 << 19)
72 #define IOAT_DMACAP_STR \
73 "\20\24Completion_Timeout_Support\23DMA_with_Multicasting_Support" \
74 "\22RAID_Super_descriptors\16Descriptor_Write_Back_Error_Support" \
75 "\13DMA_with_DIF\12PQ\11XOR\07Block_Fill\05DCA\01Page_Break"
77 /* DMA Channel Registers */
78 #define IOAT_CHANCTRL_OFFSET 0x80
79 #define IOAT_CHANCTRL_CHANNEL_PRIORITY_MASK 0xF000
80 #define IOAT_CHANCTRL_COMPL_DCA_EN 0x0200
81 #define IOAT_CHANCTRL_CHANNEL_IN_USE 0x0100
82 #define IOAT_CHANCTRL_DESCRIPTOR_ADDR_SNOOP_CONTROL 0x0020
83 #define IOAT_CHANCTRL_ERR_INT_EN 0x0010
84 #define IOAT_CHANCTRL_ANY_ERR_ABORT_EN 0x0008
85 #define IOAT_CHANCTRL_ERR_COMPLETION_EN 0x0004
86 #define IOAT_CHANCTRL_INT_REARM 0x0001
87 #define IOAT_CHANCTRL_RUN (IOAT_CHANCTRL_INT_REARM |\
88 IOAT_CHANCTRL_ERR_COMPLETION_EN |\
89 IOAT_CHANCTRL_ANY_ERR_ABORT_EN |\
90 IOAT_CHANCTRL_ERR_INT_EN)
92 #define IOAT_CHANCMD_OFFSET 0x84
93 #define IOAT_CHANCMD_RESET 0x20
94 #define IOAT_CHANCMD_SUSPEND 0x04
96 #define IOAT_DMACOUNT_OFFSET 0x86
98 #define IOAT_CHANSTS_OFFSET_LOW 0x88
99 #define IOAT_CHANSTS_OFFSET_HIGH 0x8C
100 #define IOAT_CHANSTS_OFFSET 0x88
102 #define IOAT_CHANSTS_STATUS 0x7ULL
103 #define IOAT_CHANSTS_ACTIVE 0x0
104 #define IOAT_CHANSTS_IDLE 0x1
105 #define IOAT_CHANSTS_SUSPENDED 0x2
106 #define IOAT_CHANSTS_HALTED 0x3
107 #define IOAT_CHANSTS_ARMED 0x4
109 #define IOAT_CHANSTS_UNAFFILIATED_ERROR 0x8ULL
110 #define IOAT_CHANSTS_SOFT_ERROR 0x10ULL
112 #define IOAT_CHANSTS_COMPLETED_DESCRIPTOR_MASK (~0x3FULL)
114 #define IOAT_CHAINADDR_OFFSET_LOW 0x90
115 #define IOAT_CHAINADDR_OFFSET_HIGH 0x94
117 #define IOAT_CHANCMP_OFFSET_LOW 0x98
118 #define IOAT_CHANCMP_OFFSET_HIGH 0x9C
120 #define IOAT_CHANERR_OFFSET 0xA8
122 #define IOAT_CHANERR_XSADDERR (1 << 0)
123 #define IOAT_CHANERR_XDADDERR (1 << 1)
124 #define IOAT_CHANERR_NDADDERR (1 << 2)
125 #define IOAT_CHANERR_DERR (1 << 3)
126 #define IOAT_CHANERR_CHADDERR (1 << 4)
127 #define IOAT_CHANERR_CCMDERR (1 << 5)
128 #define IOAT_CHANERR_CUNCORERR (1 << 6)
129 #define IOAT_CHANERR_DUNCORERR (1 << 7)
130 #define IOAT_CHANERR_RDERR (1 << 8)
131 #define IOAT_CHANERR_WDERR (1 << 9)
132 #define IOAT_CHANERR_DCERR (1 << 10)
133 #define IOAT_CHANERR_DXSERR (1 << 11)
134 #define IOAT_CHANERR_CMPADDERR (1 << 12)
135 #define IOAT_CHANERR_INTCFGERR (1 << 13)
136 #define IOAT_CHANERR_SEDERR (1 << 14)
137 #define IOAT_CHANERR_UNAFFERR (1 << 15)
138 #define IOAT_CHANERR_CXPERR (1 << 16)
139 /* Reserved. (1 << 17) */
140 #define IOAT_CHANERR_DCNTERR (1 << 18)
141 #define IOAT_CHANERR_DIFFERR (1 << 19)
142 #define IOAT_CHANERR_GTVERR (1 << 20)
143 #define IOAT_CHANERR_ATVERR (1 << 21)
144 #define IOAT_CHANERR_RTVERR (1 << 22)
145 #define IOAT_CHANERR_BBERR (1 << 23)
146 #define IOAT_CHANERR_RDIFFERR (1 << 24)
147 #define IOAT_CHANERR_RGTVERR (1 << 25)
148 #define IOAT_CHANERR_RATVERR (1 << 26)
149 #define IOAT_CHANERR_RRTVERR (1 << 27)
151 #define IOAT_CHANERR_STR \
152 "\20\34RRTVERR\33RATVERR\32RGTVERR\31RDIFFERR\30BBERR\27RTVERR\26ATVERR" \
153 "\25GTVERR\24DIFFERR\23DCNTERR\21CXPERR\20UNAFFERR\17SEDERR\16INTCFGERR" \
154 "\15CMPADDERR\14DXSERR\13DCERR\12WDERR\11RDERR\10DUNCORERR\07CUNCORERR" \
155 "\06CCMDERR\05CHADDERR\04DERR\03NDADDERR\02XDADDERR\01XSADDERR"
158 #define IOAT_CFG_CHANERR_INT_OFFSET 0x180
159 #define IOAT_CFG_CHANERRMASK_INT_OFFSET 0x184
161 #define IOAT_MIN_ORDER 4
162 #define IOAT_MAX_ORDER 16
164 #endif /* __IOAT_HW_H__ */