diff options
Diffstat (limited to 'drivers/rapidio/rio.h')
| -rw-r--r-- | drivers/rapidio/rio.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/drivers/rapidio/rio.h b/drivers/rapidio/rio.h new file mode 100644 index 00000000..b1af414f --- /dev/null +++ b/drivers/rapidio/rio.h @@ -0,0 +1,72 @@ +/* + * RapidIO interconnect services + * + * Copyright 2005 MontaVista Software, Inc. + * Matt Porter <mporter@kernel.crashing.org> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/device.h> +#include <linux/list.h> +#include <linux/rio.h> + +#define RIO_MAX_CHK_RETRY 3 + +/* Functions internal to the RIO core code */ + +extern u32 rio_mport_get_feature(struct rio_mport *mport, int local, u16 destid, + u8 hopcount, int ftr); +extern u32 rio_mport_get_physefb(struct rio_mport *port, int local, + u16 destid, u8 hopcount); +extern u32 rio_mport_get_efb(struct rio_mport *port, int local, u16 destid, + u8 hopcount, u32 from); +extern int rio_mport_chk_dev_access(struct rio_mport *mport, u16 destid, + u8 hopcount); +extern int rio_create_sysfs_dev_files(struct rio_dev *rdev); +extern int rio_enum_mport(struct rio_mport *mport); +extern int rio_disc_mport(struct rio_mport *mport); +extern int rio_std_route_add_entry(struct rio_mport *mport, u16 destid, + u8 hopcount, u16 table, u16 route_destid, + u8 route_port); +extern int rio_std_route_get_entry(struct rio_mport *mport, u16 destid, + u8 hopcount, u16 table, u16 route_destid, + u8 *route_port); +extern int rio_std_route_clr_table(struct rio_mport *mport, u16 destid, + u8 hopcount, u16 table); +extern int rio_set_port_lockout(struct rio_dev *rdev, u32 pnum, int lock); +extern struct rio_dev *rio_get_comptag(u32 comp_tag, struct rio_dev *from); + +/* Structures internal to the RIO core code */ +extern struct device_attribute rio_dev_attrs[]; +extern spinlock_t rio_global_list_lock; + +extern struct rio_switch_ops __start_rio_switch_ops[]; +extern struct rio_switch_ops __end_rio_switch_ops[]; + +/* Helpers internal to the RIO core code */ +#define DECLARE_RIO_SWITCH_SECTION(section, name, vid, did, init_hook) \ + static const struct rio_switch_ops __rio_switch_##name __used \ + __section(section) = { vid, did, init_hook }; + +/** + * DECLARE_RIO_SWITCH_INIT - Registers switch initialization routine + * @vid: RIO vendor ID + * @did: RIO device ID + * @init_hook: Callback that performs switch-specific initialization + * + * Manipulating switch route tables and error management in RIO + * is switch specific. This registers a switch by vendor and device ID with + * initialization callback for setting up switch operations and (if required) + * hardware initialization. A &struct rio_switch_ops is initialized with + * pointer to the init routine and placed into a RIO-specific kernel section. + */ +#define DECLARE_RIO_SWITCH_INIT(vid, did, init_hook) \ + DECLARE_RIO_SWITCH_SECTION(.rio_switch_ops, vid##did, \ + vid, did, init_hook) + +#define RIO_GET_DID(size, x) (size ? (x & 0xffff) : ((x & 0x00ff0000) >> 16)) +#define RIO_SET_DID(size, x) (size ? (x & 0xffff) : ((x & 0x000000ff) << 16)) |