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1 | /*- |
2 | * BSD LICENSE | |
3 | * | |
4 | * Copyright(c) 2014-2015 Chelsio Communications. | |
5 | * All rights reserved. | |
6 | * | |
7 | * Redistribution and use in source and binary forms, with or without | |
8 | * modification, are permitted provided that the following conditions | |
9 | * are met: | |
10 | * | |
11 | * * Redistributions of source code must retain the above copyright | |
12 | * notice, this list of conditions and the following disclaimer. | |
13 | * * Redistributions in binary form must reproduce the above copyright | |
14 | * notice, this list of conditions and the following disclaimer in | |
15 | * the documentation and/or other materials provided with the | |
16 | * distribution. | |
17 | * * Neither the name of Chelsio Communications nor the names of its | |
18 | * contributors may be used to endorse or promote products derived | |
19 | * from this software without specific prior written permission. | |
20 | * | |
21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
22 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
23 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
24 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
25 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
26 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
27 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
28 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
29 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
30 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
31 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
32 | */ | |
33 | ||
34 | #ifndef __T4_CHIP_TYPE_H__ | |
35 | #define __T4_CHIP_TYPE_H__ | |
36 | ||
37 | /* | |
38 | * All T4 and later chips have their PCI-E Device IDs encoded as 0xVFPP where: | |
39 | * | |
40 | * V = "4" for T4; "5" for T5, etc. or | |
41 | * F = "0" for PF 0..3; "4".."7" for PF4..7; and "8" for VFs | |
42 | * PP = adapter product designation | |
43 | * | |
44 | * We use the "version" (V) of the adpater to code the Chip Version above. | |
45 | */ | |
46 | #define CHELSIO_PCI_ID_VER(devid) ((devid) >> 12) | |
47 | #define CHELSIO_PCI_ID_FUNC(devid) (((devid) >> 8) & 0xf) | |
48 | #define CHELSIO_PCI_ID_PROD(devid) ((devid) & 0xff) | |
49 | ||
50 | #define CHELSIO_T4 0x4 | |
51 | #define CHELSIO_T5 0x5 | |
52 | ||
53 | #define CHELSIO_CHIP_CODE(version, revision) (((version) << 4) | (revision)) | |
54 | #define CHELSIO_CHIP_VERSION(code) (((code) >> 4) & 0xf) | |
55 | #define CHELSIO_CHIP_RELEASE(code) ((code) & 0xf) | |
56 | ||
57 | enum chip_type { | |
58 | T4_A1 = CHELSIO_CHIP_CODE(CHELSIO_T4, 1), | |
59 | T4_A2 = CHELSIO_CHIP_CODE(CHELSIO_T4, 2), | |
60 | T4_FIRST_REV = T4_A1, | |
61 | T4_LAST_REV = T4_A2, | |
62 | ||
63 | T5_A0 = CHELSIO_CHIP_CODE(CHELSIO_T5, 0), | |
64 | T5_A1 = CHELSIO_CHIP_CODE(CHELSIO_T5, 1), | |
65 | T5_FIRST_REV = T5_A0, | |
66 | T5_LAST_REV = T5_A1, | |
67 | }; | |
68 | ||
69 | static inline int is_t4(enum chip_type chip) | |
70 | { | |
71 | return (CHELSIO_CHIP_VERSION(chip) == CHELSIO_T4); | |
72 | } | |
73 | ||
74 | static inline int is_t5(enum chip_type chip) | |
75 | { | |
76 | return (CHELSIO_CHIP_VERSION(chip) == CHELSIO_T5); | |
77 | } | |
78 | ||
79 | #endif /* __T4_CHIP_TYPE_H__ */ |