]>
Commit | Line | Data |
---|---|---|
b390f610 DW |
1 | /* |
2 | * Intel(R) Matrix Storage Manager hardware and firmware support routines | |
3 | * | |
4 | * Copyright (C) 2008 Intel Corporation | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify it | |
7 | * under the terms and conditions of the GNU General Public License, | |
8 | * version 2, as published by the Free Software Foundation. | |
9 | * | |
10 | * This program is distributed in the hope it will be useful, but WITHOUT | |
11 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
12 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
13 | * more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License along with | |
16 | * this program; if not, write to the Free Software Foundation, Inc., | |
17 | * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. | |
18 | */ | |
19 | #include <asm/types.h> | |
88c32bb1 | 20 | #include <strings.h> |
b390f610 DW |
21 | |
22 | /* The IMSM OROM Version Table definition */ | |
23 | struct imsm_orom { | |
24 | __u8 signature[4]; | |
25 | __u8 table_ver_major; /* Currently 2 (can change with future revs) */ | |
26 | __u8 table_ver_minor; /* Currently 2 (can change with future revs) */ | |
27 | __u16 major_ver; /* Example: 8 as in 8.6.0.1020 */ | |
28 | __u16 minor_ver; /* Example: 6 as in 8.6.0.1020 */ | |
29 | __u16 hotfix_ver; /* Example: 0 as in 8.6.0.1020 */ | |
30 | __u16 build; /* Example: 1020 as in 8.6.0.1020 */ | |
31 | __u8 len; /* number of bytes in this entire table */ | |
32 | __u8 checksum; /* checksum of all the bytes in this table */ | |
33 | __u16 rlc; /* RAID Level Capability */ | |
34 | /* we assume the cpu is x86 as the orom should not be found | |
35 | * anywhere else | |
36 | */ | |
37 | #define IMSM_OROM_RLC_RAID0 (1 << 0) | |
38 | #define IMSM_OROM_RLC_RAID1 (1 << 1) | |
39 | #define IMSM_OROM_RLC_RAID10 (1 << 2) | |
40 | #define IMSM_OROM_RLC_RAID1E (1 << 3) | |
41 | #define IMSM_OROM_RLC_RAID5 (1 << 4) | |
42 | #define IMSM_OROM_RLC_RAID_CNG (1 << 5) | |
43 | __u16 sss; /* Strip Size Supported */ | |
44 | #define IMSM_OROM_SSS_2kB (1 << 0) | |
45 | #define IMSM_OROM_SSS_4kB (1 << 1) | |
46 | #define IMSM_OROM_SSS_8kB (1 << 2) | |
47 | #define IMSM_OROM_SSS_16kB (1 << 3) | |
48 | #define IMSM_OROM_SSS_32kB (1 << 4) | |
49 | #define IMSM_OROM_SSS_64kB (1 << 5) | |
50 | #define IMSM_OROM_SSS_128kB (1 << 6) | |
51 | #define IMSM_OROM_SSS_256kB (1 << 7) | |
52 | #define IMSM_OROM_SSS_512kB (1 << 8) | |
53 | #define IMSM_OROM_SSS_1MB (1 << 9) | |
54 | #define IMSM_OROM_SSS_2MB (1 << 10) | |
55 | #define IMSM_OROM_SSS_4MB (1 << 11) | |
56 | #define IMSM_OROM_SSS_8MB (1 << 12) | |
57 | #define IMSM_OROM_SSS_16MB (1 << 13) | |
58 | #define IMSM_OROM_SSS_32MB (1 << 14) | |
59 | #define IMSM_OROM_SSS_64MB (1 << 15) | |
60 | __u16 dpa; /* Disks Per Array supported */ | |
61 | __u16 tds; /* Total Disks Supported */ | |
62 | __u8 vpa; /* # Volumes Per Array supported */ | |
63 | __u8 vphba; /* # Volumes Per Host Bus Adapter supported */ | |
64 | /* Attributes supported. This should map to the | |
65 | * attributes in the MPB. Also, lower 16 bits | |
66 | * should match/duplicate RLC bits above. | |
67 | */ | |
68 | __u32 attr; | |
69 | #define IMSM_OROM_ATTR_RAID0 IMSM_OROM_RLC_RAID0 | |
70 | #define IMSM_OROM_ATTR_RAID1 IMSM_OROM_RLC_RAID1 | |
71 | #define IMSM_OROM_ATTR_RAID10 IMSM_OROM_RLC_RAID10 | |
72 | #define IMSM_OROM_ATTR_RAID1E IMSM_OROM_RLC_RAID1E | |
73 | #define IMSM_OROM_ATTR_RAID5 IMSM_OROM_RLC_RAID5 | |
74 | #define IMSM_OROM_ATTR_RAID_CNG IMSM_OROM_RLC_RAID_CNG | |
75 | #define IMSM_OROM_ATTR_2TB (1 << 29) | |
76 | #define IMSM_OROM_ATTR_PM (1 << 30) | |
77 | #define IMSM_OROM_ATTR_ChecksumVerify (1 << 31) | |
78 | __u32 reserved1; | |
79 | __u32 reserved2; | |
80 | } __attribute__((packed)); | |
81 | ||
88c32bb1 DW |
82 | static inline int imsm_orom_has_raid0(const struct imsm_orom *orom) |
83 | { | |
84 | return !!(orom->rlc & IMSM_OROM_RLC_RAID0); | |
85 | } | |
86 | static inline int imsm_orom_has_raid1(const struct imsm_orom *orom) | |
87 | { | |
88 | return !!(orom->rlc & IMSM_OROM_RLC_RAID1); | |
89 | } | |
90 | static inline int imsm_orom_has_raid1e(const struct imsm_orom *orom) | |
91 | { | |
92 | return !!(orom->rlc & IMSM_OROM_RLC_RAID1E); | |
93 | } | |
94 | static inline int imsm_orom_has_raid10(const struct imsm_orom *orom) | |
95 | { | |
96 | return !!(orom->rlc & IMSM_OROM_RLC_RAID10); | |
97 | } | |
98 | static inline int imsm_orom_has_raid5(const struct imsm_orom *orom) | |
99 | { | |
100 | return !!(orom->rlc & IMSM_OROM_RLC_RAID5); | |
101 | } | |
102 | ||
103 | /** | |
104 | * imsm_orom_has_chunk - check if the orom supports the given chunk size | |
105 | * @orom: orom pointer from find_imsm_orom | |
106 | * @chunk: chunk size in kibibytes | |
107 | */ | |
108 | static inline int imsm_orom_has_chunk(const struct imsm_orom *orom, int chunk) | |
109 | { | |
110 | int fs = ffs(chunk); | |
111 | ||
112 | if (!fs) | |
113 | return 0; | |
114 | fs--; /* bit num to bit index */ | |
115 | return !!(orom->sss & (1 << (fs - 1))); | |
116 | } | |
117 | ||
b390f610 DW |
118 | struct sys_dev { |
119 | char *path; | |
120 | struct sys_dev *next; | |
121 | }; | |
122 | ||
123 | struct sys_dev *find_driver_devices(const char *bus, const char *driver); | |
124 | __u16 devpath_to_vendor(const char *dev_path); | |
125 | void free_sys_dev(struct sys_dev **list); | |
126 | const struct imsm_orom *find_imsm_orom(void); | |
25921536 DW |
127 | int disk_attached_to_hba(int fd, const char *hba_path); |
128 | char *devt_to_devpath(dev_t dev); | |
129 | int path_attached_to_hba(const char *disk_path, const char *hba_path); |