projects / mirror_ubuntu-jammy-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 394b701c MP |
1 | /* |
| 2 | * RapidIO interconnect services | |
| 3 | * | |
| 4 | * Copyright 2005 MontaVista Software, Inc. | |
| 5 | * Matt Porter <mporter@kernel.crashing.org> | |
| 6 | * | |
| 7 | * This program is free software; you can redistribute it and/or modify it | |
| 8 | * under the terms of the GNU General Public License as published by the | |
| 9 | * Free Software Foundation; either version 2 of the License, or (at your | |
| 10 | * option) any later version. | |
| 11 | */ | |
| 12 | ||
| 13 | #include <linux/device.h> | |
| 14 | #include <linux/list.h> | |
| 15 | #include <linux/rio.h> | |
| 16 | ||
| 6429cd49 AB |
17 | #define RIO_MAX_CHK_RETRY 3 |
| 18 | ||
| 394b701c MP |
19 | /* Functions internal to the RIO core code */ |
| 20 | ||
| 21 | extern u32 rio_mport_get_feature(struct rio_mport *mport, int local, u16 destid, | |
| 22 | u8 hopcount, int ftr); | |
| e5cabeb3 AB |
23 | extern u32 rio_mport_get_physefb(struct rio_mport *port, int local, |
| 24 | u16 destid, u8 hopcount); | |
| 25 | extern u32 rio_mport_get_efb(struct rio_mport *port, int local, u16 destid, | |
| 26 | u8 hopcount, u32 from); | |
| 394b701c MP |
27 | extern int rio_create_sysfs_dev_files(struct rio_dev *rdev); |
| 28 | extern int rio_enum_mport(struct rio_mport *mport); | |
| 29 | extern int rio_disc_mport(struct rio_mport *mport); | |
| 07590ff0 AB |
30 | extern int rio_std_route_add_entry(struct rio_mport *mport, u16 destid, |
| 31 | u8 hopcount, u16 table, u16 route_destid, | |
| 32 | u8 route_port); | |
| 33 | extern int rio_std_route_get_entry(struct rio_mport *mport, u16 destid, | |
| 34 | u8 hopcount, u16 table, u16 route_destid, | |
| 35 | u8 *route_port); | |
| 36 | extern int rio_std_route_clr_table(struct rio_mport *mport, u16 destid, | |
| 37 | u8 hopcount, u16 table); | |
| e5cabeb3 | 38 | extern int rio_set_port_lockout(struct rio_dev *rdev, u32 pnum, int lock); |
| 394b701c MP |
39 | |
| 40 | /* Structures internal to the RIO core code */ | |
| 41 | extern struct device_attribute rio_dev_attrs[]; | |
| 42 | extern spinlock_t rio_global_list_lock; | |
| 43 | ||
| 058f88d6 AB |
44 | extern struct rio_switch_ops __start_rio_switch_ops[]; |
| 45 | extern struct rio_switch_ops __end_rio_switch_ops[]; | |
| fa78cc51 | 46 | |
| 394b701c | 47 | /* Helpers internal to the RIO core code */ |
| 058f88d6 AB |
48 | #define DECLARE_RIO_SWITCH_SECTION(section, name, vid, did, init_hook) \ |
| 49 | static const struct rio_switch_ops __rio_switch_##name __used \ | |
| 50 | __section(section) = { vid, did, init_hook }; | |
| 394b701c MP |
51 | |
| 52 | /** | |
| 058f88d6 | 53 | * DECLARE_RIO_SWITCH_INIT - Registers switch initialization routine |
| 394b701c MP |
54 | * @vid: RIO vendor ID |
| 55 | * @did: RIO device ID | |
| 058f88d6 | 56 | * @init_hook: Callback that performs switch-specific initialization |
| 394b701c | 57 | * |
| 058f88d6 AB |
58 | * Manipulating switch route tables and error management in RIO |
| 59 | * is switch specific. This registers a switch by vendor and device ID with | |
| 60 | * initialization callback for setting up switch operations and (if required) | |
| 61 | * hardware initialization. A &struct rio_switch_ops is initialized with | |
| 62 | * pointer to the init routine and placed into a RIO-specific kernel section. | |
| 394b701c | 63 | */ |
| 058f88d6 AB |
64 | #define DECLARE_RIO_SWITCH_INIT(vid, did, init_hook) \ |
| 65 | DECLARE_RIO_SWITCH_SECTION(.rio_switch_ops, vid##did, \ | |
| 66 | vid, did, init_hook) | |
| 394b701c | 67 | |
| e0423236 ZW |
68 | #define RIO_GET_DID(size, x) (size ? (x & 0xffff) : ((x & 0x00ff0000) >> 16)) |
| 69 | #define RIO_SET_DID(size, x) (size ? (x & 0xffff) : ((x & 0x000000ff) << 16)) |