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1 | /* aacraid.h | |
2 | * Copyright (C) 2014 Raghava Aditya <Raghava.Aditya@pmcs.com> | |
3 | * Copyright (C) 2015 Nidhi Malhotra <Nidhi.Malhotra@pmcs.com> | |
4 | * | |
5 | * SPDX-License-Identifier: GPL-2.0-or-later | |
6 | */ | |
7 | ||
8 | // Check windows | |
9 | #if defined(_WIN32) || defined(_WIN64) | |
10 | #ifdef _WIN64 | |
11 | #define ENVIRONMENT64 | |
12 | #else | |
13 | #define ENVIRONMENT32 | |
14 | #endif | |
15 | #endif | |
16 | ||
17 | // Check GCC | |
18 | #if __GNUC__ | |
19 | #if __x86_64__ || __ppc64__ | |
20 | #define ENVIRONMENT64 | |
21 | #else | |
22 | #define ENVIRONMENT32 | |
23 | #endif | |
24 | #endif | |
25 | ||
26 | #define METHOD_BUFFERED 0 | |
27 | #define METHOD_NEITHER 3 | |
28 | ||
29 | #if defined(_WIN32) || defined(_WIN64) | |
30 | #define FSAMPCTL_SCSI_BASE IOCTL_SCSI_BASE | |
31 | #define ARCIOCTL_SEND_RAW_SRB CTL_CODE(FSAMPCTL_SCSI_BASE, 2201, METHOD_BUFFERED, FILE_ANY_ACCESS) | |
32 | #define AACRAID_SAS_SIGNATURE "ARCSAS" | |
33 | #define SRB_FLAGS_DATA_IN 0x00000040 | |
34 | #define SRB_FLAGS_DATA_OUT 0x00000080 | |
35 | #define SRB_FLAGS_NO_DATA_TRANSFER 0x00000000 | |
36 | #else | |
37 | #define CTL_CODE(function, method) ((4<< 16) | ((function) << 2) | (method) ) | |
38 | ||
39 | #define FSACTL_SEND_RAW_SRB CTL_CODE(2067, METHOD_BUFFERED) | |
40 | #endif | |
41 | #define SRB_FUNCTION_EXECUTE_SCSI 0X00 | |
42 | ||
43 | #define SRB_DataIn 0x0040 | |
44 | #define SRB_DataOut 0x0080 | |
45 | #define SRB_NoDataXfer 0x0000 | |
46 | ||
47 | typedef struct { | |
48 | uint32_t lo32; | |
49 | uint32_t hi32; | |
50 | } address64; | |
51 | ||
52 | typedef struct { | |
53 | address64 addr64; | |
54 | uint32_t length; /* Length. */ | |
55 | } user_sgentry64; | |
56 | ||
57 | typedef struct { | |
58 | uint32_t addr32; | |
59 | uint32_t length; | |
60 | } user_sgentry32; | |
61 | ||
62 | typedef struct { | |
63 | uint32_t count; | |
64 | user_sgentry64 sg64[1]; | |
65 | } user_sgmap64; | |
66 | ||
67 | typedef struct { | |
68 | uint32_t count; | |
69 | user_sgentry32 sg32[1]; | |
70 | } user_sgmap32; | |
71 | ||
72 | #if defined(_WIN32) || defined(_WIN64) | |
73 | typedef struct _SCSI_REQUEST_BLOCK { | |
74 | USHORT Length; // offset 0 | |
75 | UCHAR Function; // offset 2 | |
76 | UCHAR SrbStatus; // offset 3 | |
77 | UCHAR ScsiStatus; // offset 4 | |
78 | UCHAR PathId; // offset 5 | |
79 | UCHAR TargetId; // offset 6 | |
80 | UCHAR Lun; // offset 7 | |
81 | UCHAR QueueTag; // offset 8 | |
82 | UCHAR QueueAction; // offset 9 | |
83 | UCHAR CdbLength; // offset a | |
84 | UCHAR SenseInfoBufferLength; // offset b | |
85 | ULONG SrbFlags; // offset c | |
86 | ULONG DataTransferLength; // offset 10 | |
87 | ULONG TimeOutValue; // offset 14 | |
88 | PVOID DataBuffer; // offset 18 | |
89 | PVOID SenseInfoBuffer; // offset 1c | |
90 | struct _SCSI_REQUEST_BLOCK *NextSrb; // offset 20 | |
91 | PVOID OriginalRequest; // offset 24 | |
92 | PVOID SrbExtension; // offset 28 | |
93 | union { | |
94 | ULONG InternalStatus; // offset 2c | |
95 | ULONG QueueSortKey; // offset 2c | |
96 | }; | |
97 | ||
98 | #if defined(_WIN64) | |
99 | // | |
100 | // Force PVOID alignment of Cdb | |
101 | // | |
102 | ULONG Reserved; | |
103 | #endif | |
104 | ||
105 | UCHAR Cdb[16]; // offset 30 | |
106 | } SCSI_REQUEST_BLOCK, *PSCSI_REQUEST_BLOCK; | |
107 | ||
108 | #define SCSI_REQUEST_BLOCK_SIZE sizeof(SCSI_REQUEST_BLOCK) | |
109 | ||
110 | #else | |
111 | typedef struct { | |
112 | uint32_t function; //SRB_FUNCTION_EXECUTE_SCSI 0x00 | |
113 | uint32_t channel; //bus | |
114 | uint32_t id; //use the ID number this is wrong | |
115 | uint32_t lun; //Logical unit number | |
116 | uint32_t timeout; | |
117 | uint32_t flags; //Interesting stuff I must say | |
118 | uint32_t count; // Data xfer size | |
119 | uint32_t retry_limit; // We shall see | |
120 | uint32_t cdb_size; // Length of CDB | |
121 | uint8_t cdb[16]; // The actual cdb command | |
122 | user_sgmap64 sg64; // pDatabuffer and address of Databuffer | |
123 | } user_aac_srb64; | |
124 | ||
125 | typedef struct { | |
126 | uint32_t function; //SRB_FUNCTION_EXECUTE_SCSI 0x00 | |
127 | uint32_t channel; //bus | |
128 | uint32_t id; //use the ID number this is wrong | |
129 | uint32_t lun; //Logical unit number | |
130 | uint32_t timeout; | |
131 | uint32_t flags; //Interesting stuff I must say | |
132 | uint32_t count; // Data xfer size | |
133 | uint32_t retry_limit; // We shall see | |
134 | uint32_t cdb_size; // Length of CDB | |
135 | uint8_t cdb[16]; // The actual cdb command | |
136 | user_sgmap32 sg32; // pDatabuffer and address of Databuffer | |
137 | } user_aac_srb32; | |
138 | ||
139 | typedef struct { | |
140 | uint32_t status; | |
141 | uint32_t srb_status; | |
142 | uint32_t scsi_status; | |
143 | uint32_t data_xfer_length; | |
144 | uint32_t sense_data_size; | |
145 | uint8_t sense_data[30]; | |
146 | } user_aac_reply; | |
147 | #endif |