1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
|
/*
*
* sep_driver_api.h - Security Processor Driver api definitions
*
* Copyright(c) 2009,2010 Intel Corporation. All rights reserved.
* Contributions(c) 2009,2010 Discretix. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 59
* Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* CONTACTS:
*
* Mark Allyn mark.a.allyn@intel.com
* Jayant Mangalampalli jayant.mangalampalli@intel.com
*
* CHANGES:
*
* 2010.09.14 Upgrade to Medfield
*
*/
#ifndef __SEP_DRIVER_API_H__
#define __SEP_DRIVER_API_H__
/* Type of request from device */
#define SEP_DRIVER_SRC_REPLY 1
#define SEP_DRIVER_SRC_REQ 2
#define SEP_DRIVER_SRC_PRINTF 3
/*-------------------------------------------
TYPEDEFS
----------------------------------------------*/
struct alloc_struct {
/* offset from start of shared pool area */
u32 offset;
/* number of bytes to allocate */
u32 num_bytes;
};
/* command struct for getting caller id value and address */
struct caller_id_struct {
/* pid of the process */
u32 pid;
/* virtual address of the caller id hash */
aligned_u64 callerIdAddress;
/* caller id hash size in bytes */
u32 callerIdSizeInBytes;
};
/*
structure that represents DCB
*/
struct sep_dcblock {
/* physical address of the first input mlli */
u32 input_mlli_address;
/* num of entries in the first input mlli */
u32 input_mlli_num_entries;
/* size of data in the first input mlli */
u32 input_mlli_data_size;
/* physical address of the first output mlli */
u32 output_mlli_address;
/* num of entries in the first output mlli */
u32 output_mlli_num_entries;
/* size of data in the first output mlli */
u32 output_mlli_data_size;
/* pointer to the output virtual tail */
aligned_u64 out_vr_tail_pt;
/* size of tail data */
u32 tail_data_size;
/* input tail data array */
u8 tail_data[68];
};
struct sep_caller_id_entry {
int pid;
unsigned char callerIdHash[SEP_CALLER_ID_HASH_SIZE_IN_BYTES];
};
/*
command structure for building dcb block (currently for ext app only
*/
struct build_dcb_struct {
/* address value of the data in */
aligned_u64 app_in_address;
/* size of data in */
u32 data_in_size;
/* address of the data out */
aligned_u64 app_out_address;
/* the size of the block of the operation - if needed,
every table will be modulo this parameter */
u32 block_size;
/* the size of the block of the operation - if needed,
every table will be modulo this parameter */
u32 tail_block_size;
};
/**
* @struct sep_dma_map
*
* Structure that contains all information needed for mapping the user pages
* or kernel buffers for dma operations
*
*
*/
struct sep_dma_map {
/* mapped dma address */
dma_addr_t dma_addr;
/* size of the mapped data */
size_t size;
};
struct sep_dma_resource {
/* array of pointers to the pages that represent
input data for the synchronic DMA action */
struct page **in_page_array;
/* array of pointers to the pages that represent out
data for the synchronic DMA action */
struct page **out_page_array;
/* number of pages in the sep_in_page_array */
u32 in_num_pages;
/* number of pages in the sep_out_page_array */
u32 out_num_pages;
/* map array of the input data */
struct sep_dma_map *in_map_array;
/* map array of the output data */
struct sep_dma_map *out_map_array;
/* number of entries of the input mapp array */
u32 in_map_num_entries;
/* number of entries of the output mapp array */
u32 out_map_num_entries;
};
/* command struct for translating rar handle to bus address
and setting it at predefined location */
struct rar_hndl_to_bus_struct {
/* rar handle */
aligned_u64 rar_handle;
};
/*
structure that represent one entry in the DMA LLI table
*/
struct sep_lli_entry {
/* physical address */
u32 bus_address;
/* block size */
u32 block_size;
};
/*----------------------------------------------------------------
IOCTL command defines
-----------------------------------------------------------------*/
/* magic number 1 of the sep IOCTL command */
#define SEP_IOC_MAGIC_NUMBER 's'
/* sends interrupt to sep that message is ready */
#define SEP_IOCSENDSEPCOMMAND \
_IO(SEP_IOC_MAGIC_NUMBER, 0)
/* sends interrupt to sep that message is ready */
#define SEP_IOCSENDSEPRPLYCOMMAND \
_IO(SEP_IOC_MAGIC_NUMBER, 1)
/* allocate memory in data pool */
#define SEP_IOCALLOCDATAPOLL \
_IOW(SEP_IOC_MAGIC_NUMBER, 2, struct alloc_struct)
/* free dynamic data aalocated during table creation */
#define SEP_IOCFREEDMATABLEDATA \
_IO(SEP_IOC_MAGIC_NUMBER, 7)
/* get the static pool area addersses (physical and virtual) */
#define SEP_IOCGETSTATICPOOLADDR \
_IO(SEP_IOC_MAGIC_NUMBER, 8)
/* end transaction command */
#define SEP_IOCENDTRANSACTION \
_IO(SEP_IOC_MAGIC_NUMBER, 15)
#define SEP_IOCRARPREPAREMESSAGE \
_IOW(SEP_IOC_MAGIC_NUMBER, 20, struct rar_hndl_to_bus_struct)
#define SEP_IOCTLSETCALLERID \
_IOW(SEP_IOC_MAGIC_NUMBER, 34, struct caller_id_struct)
#define SEP_IOCPREPAREDCB \
_IOW(SEP_IOC_MAGIC_NUMBER, 35, struct build_dcb_struct)
#define SEP_IOCFREEDCB \
_IO(SEP_IOC_MAGIC_NUMBER, 36)
#endif
|
