1394b701cSMatt Porter /* 2394b701cSMatt Porter * RapidIO interconnect services 3394b701cSMatt Porter * 4394b701cSMatt Porter * Copyright 2005 MontaVista Software, Inc. 5394b701cSMatt Porter * Matt Porter <mporter@kernel.crashing.org> 6394b701cSMatt Porter * 7394b701cSMatt Porter * This program is free software; you can redistribute it and/or modify it 8394b701cSMatt Porter * under the terms of the GNU General Public License as published by the 9394b701cSMatt Porter * Free Software Foundation; either version 2 of the License, or (at your 10394b701cSMatt Porter * option) any later version. 11394b701cSMatt Porter */ 12394b701cSMatt Porter 13394b701cSMatt Porter #include <linux/device.h> 14394b701cSMatt Porter #include <linux/list.h> 15394b701cSMatt Porter #include <linux/rio.h> 16394b701cSMatt Porter 176429cd49SAlexandre Bounine #define RIO_MAX_CHK_RETRY 3 18*a11650e1SAlexandre Bounine #define RIO_MPORT_ANY (-1) 196429cd49SAlexandre Bounine 20394b701cSMatt Porter /* Functions internal to the RIO core code */ 21394b701cSMatt Porter 22394b701cSMatt Porter extern u32 rio_mport_get_feature(struct rio_mport *mport, int local, u16 destid, 23394b701cSMatt Porter u8 hopcount, int ftr); 24e5cabeb3SAlexandre Bounine extern u32 rio_mport_get_physefb(struct rio_mport *port, int local, 25e5cabeb3SAlexandre Bounine u16 destid, u8 hopcount); 26e5cabeb3SAlexandre Bounine extern u32 rio_mport_get_efb(struct rio_mport *port, int local, u16 destid, 27e5cabeb3SAlexandre Bounine u8 hopcount, u32 from); 28e274e0edSAlexandre Bounine extern int rio_mport_chk_dev_access(struct rio_mport *mport, u16 destid, 29e274e0edSAlexandre Bounine u8 hopcount); 30394b701cSMatt Porter extern int rio_create_sysfs_dev_files(struct rio_dev *rdev); 3107590ff0SAlexandre Bounine extern int rio_std_route_add_entry(struct rio_mport *mport, u16 destid, 3207590ff0SAlexandre Bounine u8 hopcount, u16 table, u16 route_destid, 3307590ff0SAlexandre Bounine u8 route_port); 3407590ff0SAlexandre Bounine extern int rio_std_route_get_entry(struct rio_mport *mport, u16 destid, 3507590ff0SAlexandre Bounine u8 hopcount, u16 table, u16 route_destid, 3607590ff0SAlexandre Bounine u8 *route_port); 3707590ff0SAlexandre Bounine extern int rio_std_route_clr_table(struct rio_mport *mport, u16 destid, 3807590ff0SAlexandre Bounine u8 hopcount, u16 table); 39e5cabeb3SAlexandre Bounine extern int rio_set_port_lockout(struct rio_dev *rdev, u32 pnum, int lock); 40af84ca38SAlexandre Bounine extern struct rio_dev *rio_get_comptag(u32 comp_tag, struct rio_dev *from); 41*a11650e1SAlexandre Bounine extern int rio_add_device(struct rio_dev *rdev); 42*a11650e1SAlexandre Bounine extern void rio_switch_init(struct rio_dev *rdev, int do_enum); 43*a11650e1SAlexandre Bounine extern int rio_enable_rx_tx_port(struct rio_mport *port, int local, u16 destid, 44*a11650e1SAlexandre Bounine u8 hopcount, u8 port_num); 45*a11650e1SAlexandre Bounine extern int rio_register_scan(int mport_id, struct rio_scan *scan_ops); 46*a11650e1SAlexandre Bounine extern int rio_unregister_scan(int mport_id); 47*a11650e1SAlexandre Bounine extern void rio_attach_device(struct rio_dev *rdev); 48394b701cSMatt Porter 49394b701cSMatt Porter /* Structures internal to the RIO core code */ 50394b701cSMatt Porter extern struct device_attribute rio_dev_attrs[]; 51394b701cSMatt Porter 52058f88d6SAlexandre Bounine extern struct rio_switch_ops __start_rio_switch_ops[]; 53058f88d6SAlexandre Bounine extern struct rio_switch_ops __end_rio_switch_ops[]; 54fa78cc51SMatt Porter 55394b701cSMatt Porter /* Helpers internal to the RIO core code */ 56058f88d6SAlexandre Bounine #define DECLARE_RIO_SWITCH_SECTION(section, name, vid, did, init_hook) \ 57058f88d6SAlexandre Bounine static const struct rio_switch_ops __rio_switch_##name __used \ 58058f88d6SAlexandre Bounine __section(section) = { vid, did, init_hook }; 59394b701cSMatt Porter 60394b701cSMatt Porter /** 61058f88d6SAlexandre Bounine * DECLARE_RIO_SWITCH_INIT - Registers switch initialization routine 62394b701cSMatt Porter * @vid: RIO vendor ID 63394b701cSMatt Porter * @did: RIO device ID 64058f88d6SAlexandre Bounine * @init_hook: Callback that performs switch-specific initialization 65394b701cSMatt Porter * 66058f88d6SAlexandre Bounine * Manipulating switch route tables and error management in RIO 67058f88d6SAlexandre Bounine * is switch specific. This registers a switch by vendor and device ID with 68058f88d6SAlexandre Bounine * initialization callback for setting up switch operations and (if required) 69058f88d6SAlexandre Bounine * hardware initialization. A &struct rio_switch_ops is initialized with 70058f88d6SAlexandre Bounine * pointer to the init routine and placed into a RIO-specific kernel section. 71394b701cSMatt Porter */ 72058f88d6SAlexandre Bounine #define DECLARE_RIO_SWITCH_INIT(vid, did, init_hook) \ 73058f88d6SAlexandre Bounine DECLARE_RIO_SWITCH_SECTION(.rio_switch_ops, vid##did, \ 74058f88d6SAlexandre Bounine vid, did, init_hook) 75394b701cSMatt Porter 76e0423236SZhang Wei #define RIO_GET_DID(size, x) (size ? (x & 0xffff) : ((x & 0x00ff0000) >> 16)) 77e0423236SZhang Wei #define RIO_SET_DID(size, x) (size ? (x & 0xffff) : ((x & 0x000000ff) << 16)) 78