platform-intel.h

   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>
  20
  21 /* The IMSM OROM Version Table definition */
  22 struct imsm_orom {
  23         __u8 signature[4];
  24         __u8 table_ver_major; /* Currently 2 (can change with future revs) */
  25         __u8 table_ver_minor; /* Currently 2 (can change with future revs) */
  26         __u16 major_ver; /* Example: 8 as in 8.6.0.1020 */
  27         __u16 minor_ver; /* Example: 6 as in 8.6.0.1020 */
  28         __u16 hotfix_ver; /* Example: 0 as in 8.6.0.1020 */
  29         __u16 build; /* Example: 1020 as in 8.6.0.1020 */
  30         __u8 len; /* number of bytes in this entire table */
  31         __u8 checksum; /* checksum of all the bytes in this table */
  32         __u16 rlc; /* RAID Level Capability */
  33         /* we assume the cpu is x86 as the orom should not be found
  34          * anywhere else
  35          */
  36         #define IMSM_OROM_RLC_RAID0 (1 << 0)
  37         #define IMSM_OROM_RLC_RAID1 (1 << 1)
  38         #define IMSM_OROM_RLC_RAID10 (1 << 2)
  39         #define IMSM_OROM_RLC_RAID1E (1 << 3)
  40         #define IMSM_OROM_RLC_RAID5 (1 << 4)
  41         #define IMSM_OROM_RLC_RAID_CNG (1 << 5)
  42         __u16 sss; /* Strip Size Supported */
  43         #define IMSM_OROM_SSS_2kB (1 << 0)
  44         #define IMSM_OROM_SSS_4kB (1 << 1)
  45         #define IMSM_OROM_SSS_8kB (1 << 2)
  46         #define IMSM_OROM_SSS_16kB (1 << 3)
  47         #define IMSM_OROM_SSS_32kB (1 << 4)
  48         #define IMSM_OROM_SSS_64kB (1 << 5)
  49         #define IMSM_OROM_SSS_128kB (1 << 6)
  50         #define IMSM_OROM_SSS_256kB (1 << 7)
  51         #define IMSM_OROM_SSS_512kB (1 << 8)
  52         #define IMSM_OROM_SSS_1MB (1 << 9)
  53         #define IMSM_OROM_SSS_2MB (1 << 10)
  54         #define IMSM_OROM_SSS_4MB (1 << 11)
  55         #define IMSM_OROM_SSS_8MB (1 << 12)
  56         #define IMSM_OROM_SSS_16MB (1 << 13)
  57         #define IMSM_OROM_SSS_32MB (1 << 14)
  58         #define IMSM_OROM_SSS_64MB (1 << 15)
  59         __u16 dpa; /* Disks Per Array supported */
  60         __u16 tds; /* Total Disks Supported */
  61         __u8 vpa; /* # Volumes Per Array supported */
  62         __u8 vphba; /* # Volumes Per Host Bus Adapter supported */
  63         /* Attributes supported. This should map to the
  64          * attributes in the MPB. Also, lower 16 bits
  65          * should match/duplicate RLC bits above.
  66          */
  67         __u32 attr;
  68         #define IMSM_OROM_ATTR_RAID0 IMSM_OROM_RLC_RAID0
  69         #define IMSM_OROM_ATTR_RAID1 IMSM_OROM_RLC_RAID1
  70         #define IMSM_OROM_ATTR_RAID10 IMSM_OROM_RLC_RAID10
  71         #define IMSM_OROM_ATTR_RAID1E IMSM_OROM_RLC_RAID1E
  72         #define IMSM_OROM_ATTR_RAID5 IMSM_OROM_RLC_RAID5
  73         #define IMSM_OROM_ATTR_RAID_CNG IMSM_OROM_RLC_RAID_CNG
  74         #define IMSM_OROM_ATTR_2TB (1 << 29)
  75         #define IMSM_OROM_ATTR_PM (1 << 30)
  76         #define IMSM_OROM_ATTR_ChecksumVerify (1 << 31)
  77         __u32 reserved1;
  78         __u32 reserved2;
  79 } __attribute__((packed));
  80
  81 struct sys_dev {
  82         char *path;
  83         struct sys_dev *next;
  84 };
  85
  86 struct sys_dev *find_driver_devices(const char *bus, const char *driver);
  87 __u16 devpath_to_vendor(const char *dev_path);
  88 void free_sys_dev(struct sys_dev **list);
  89 const struct imsm_orom *find_imsm_orom(void);