http://www.ousob.com --- Legacy Redefined OuSob - File: /wwwroot/clipx/usr/include/linux/rio.h

/* * RapidIO interconnect services * (RapidIO Interconnect Specification, http://www.rapidio.org) * * 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. */ #ifndef LINUX_RIO_H #define LINUX_RIO_H #ifdef __KERNEL__ #include <linux/types.h> #include <linux/config.h> #include <linux/ioport.h> #include <linux/list.h> #include <linux/errno.h> #include <linux/device.h> #include <linux/rio_regs.h> #define RIO_ANY_DESTID 0xff #define RIO_NO_HOPCOUNT -1 #define RIO_MAX_MPORT_RESOURCES 16 #define RIO_MAX_DEV_RESOURCES 16 #define RIO_GLOBAL_TABLE 0xff /* Indicates access of a switch's global routing table if it has multiple (or per port) tables */ #define RIO_INVALID_ROUTE 0xff /* Indicates that a route table entry is invalid (no route exists for the device ID) */ #ifdef CONFIG_RAPIDIO_8_BIT_TRANSPORT #define RIO_MAX_ROUTE_ENTRIES (1 << 8) #else #define RIO_MAX_ROUTE_ENTRIES (1 << 16) #endif #define RIO_MAX_MBOX 4 #define RIO_MAX_MSG_SIZE 0x1000 /* * Error values that may be returned by RIO functions. */ #define RIO_SUCCESSFUL 0x00 #define RIO_BAD_SIZE 0x81 /* * For RIO devices, the region numbers are assigned this way: * * 0 RapidIO outbound doorbells * 1-15 RapidIO memory regions * * For RIO master ports, the region number are assigned this way: * * 0 RapidIO inbound doorbells * 1 RapidIO inbound mailboxes * 1 RapidIO outbound mailboxes */ #define RIO_DOORBELL_RESOURCE 0 #define RIO_INB_MBOX_RESOURCE 1 #define RIO_OUTB_MBOX_RESOURCE 2 extern struct bus_type rio_bus_type; extern struct list_head rio_devices; /* list of all devices */ struct rio_mport; /** * struct rio_dev - RIO device info * @global_list: Node in list of all RIO devices * @net_list: Node in list of RIO devices in a network * @net: Network this device is a part of * @did: Device ID * @vid: Vendor ID * @device_rev: Device revision * @asm_did: Assembly device ID * @asm_vid: Assembly vendor ID * @asm_rev: Assembly revision * @efptr: Extended feature pointer * @pef: Processing element features * @swpinfo: Switch port info * @src_ops: Source operation capabilities * @dst_ops: Destination operation capabilities * @dma_mask: Mask of bits of RIO address this device implements * @rswitch: Pointer to &struct rio_switch if valid for this device * @driver: Driver claiming this device * @dev: Device model device * @riores: RIO resources this device owns * @destid: Network destination ID */ struct rio_dev { struct list_head global_list; /* node in list of all RIO devices */ struct list_head net_list; /* node in per net list */ struct rio_net *net; /* RIO net this device resides in */ u16 did; u16 vid; u32 device_rev; u16 asm_did; u16 asm_vid; u16 asm_rev; u16 efptr; u32 pef; u32 swpinfo; /* Only used for switches */ u32 src_ops; u32 dst_ops; u64 dma_mask; struct rio_switch *rswitch; /* RIO switch info */ struct rio_driver *driver; /* RIO driver claiming this device */ struct device dev; /* LDM device structure */ struct resource riores[RIO_MAX_DEV_RESOURCES]; u16 destid; }; #define rio_dev_g(n) list_entry(n, struct rio_dev, global_list) #define rio_dev_f(n) list_entry(n, struct rio_dev, net_list) #define to_rio_dev(n) container_of(n, struct rio_dev, dev) /** * struct rio_msg - RIO message event * @res: Mailbox resource * @mcback: Message event callback */ struct rio_msg { struct resource *res; void (*mcback) (struct rio_mport * mport, void *dev_id, int mbox, int slot); }; /** * struct rio_dbell - RIO doorbell event * @node: Node in list of doorbell events * @res: Doorbell resource * @dinb: Doorbell event callback * @dev_id: Device specific pointer to pass on event */ struct rio_dbell { struct list_head node; struct resource *res; void (*dinb) (struct rio_mport *mport, void *dev_id, u16 src, u16 dst, u16 info); void *dev_id; }; /** * struct rio_mport - RIO master port info * @dbells: List of doorbell events * @node: Node in global list of master ports * @nnode: Node in network list of master ports * @iores: I/O mem resource that this master port interface owns * @riores: RIO resources that this master port interfaces owns * @inb_msg: RIO inbound message event descriptors * @outb_msg: RIO outbound message event descriptors * @host_deviceid: Host device ID associated with this master port * @ops: configuration space functions * @id: Port ID, unique among all ports * @index: Port index, unique among all port interfaces of the same type * @name: Port name string */ struct rio_mport { struct list_head dbells; /* list of doorbell events */ struct list_head node; /* node in global list of ports */ struct list_head nnode; /* node in net list of ports */ struct resource iores; struct resource riores[RIO_MAX_MPORT_RESOURCES]; struct rio_msg inb_msg[RIO_MAX_MBOX]; struct rio_msg outb_msg[RIO_MAX_MBOX]; int host_deviceid; /* Host device ID */ struct rio_ops *ops; /* maintenance transaction functions */ unsigned char id; /* port ID, unique among all ports */ unsigned char index; /* port index, unique among all port interfaces of the same type */ unsigned char name[40]; }; /** * struct rio_net - RIO network info * @node: Node in global list of RIO networks * @devices: List of devices in this network * @mports: List of master ports accessing this network * @hport: Default port for accessing this network * @id: RIO network ID */ struct rio_net { struct list_head node; /* node in list of networks */ struct list_head devices; /* list of devices in this net */ struct list_head mports; /* list of ports accessing net */ struct rio_mport *hport; /* primary port for accessing net */ unsigned char id; /* RIO network ID */ }; /** * struct rio_switch - RIO switch info * @node: Node in global list of switches * @switchid: Switch ID that is unique across a network * @hopcount: Hopcount to this switch * @destid: Associated destid in the path * @route_table: Copy of switch routing table * @add_entry: Callback for switch-specific route add function * @get_entry: Callback for switch-specific route get function */ struct rio_switch { struct list_head node; u16 switchid; u16 hopcount; u16 destid; u8 route_table[RIO_MAX_ROUTE_ENTRIES]; int (*add_entry) (struct rio_mport * mport, u16 destid, u8 hopcount, u16 table, u16 route_destid, u8 route_port); int (*get_entry) (struct rio_mport * mport, u16 destid, u8 hopcount, u16 table, u16 route_destid, u8 * route_port); }; /* Low-level architecture-dependent routines */ /** * struct rio_ops - Low-level RIO configuration space operations * @lcread: Callback to perform local (master port) read of config space. * @lcwrite: Callback to perform local (master port) write of config space. * @cread: Callback to perform network read of config space. * @cwrite: Callback to perform network write of config space. * @dsend: Callback to send a doorbell message. */ struct rio_ops { int (*lcread) (int index, u32 offset, int len, u32 * data); int (*lcwrite) (int index, u32 offset, int len, u32 data); int (*cread) (int index, u16 destid, u8 hopcount, u32 offset, int len, u32 * data); int (*cwrite) (int index, u16 destid, u8 hopcount, u32 offset, int len, u32 data); int (*dsend) (int index, u16 destid, u16 data); }; #define RIO_RESOURCE_MEM 0x00000100 #define RIO_RESOURCE_DOORBELL 0x00000200 #define RIO_RESOURCE_MAILBOX 0x00000400 #define RIO_RESOURCE_CACHEABLE 0x00010000 #define RIO_RESOURCE_PCI 0x00020000 #define RIO_RESOURCE_BUSY 0x80000000 /** * struct rio_driver - RIO driver info * @node: Node in list of drivers * @name: RIO driver name * @id_table: RIO device ids to be associated with this driver * @probe: RIO device inserted * @remove: RIO device removed * @suspend: RIO device suspended * @resume: RIO device awakened * @enable_wake: RIO device enable wake event * @driver: LDM driver struct * * Provides info on a RIO device driver for insertion/removal and * power management purposes. */ struct rio_driver { struct list_head node; char *name; const struct rio_device_id *id_table; int (*probe) (struct rio_dev * dev, const struct rio_device_id * id); void (*remove) (struct rio_dev * dev); int (*suspend) (struct rio_dev * dev, u32 state); int (*resume) (struct rio_dev * dev); int (*enable_wake) (struct rio_dev * dev, u32 state, int enable); struct device_driver driver; }; #define to_rio_driver(drv) container_of(drv,struct rio_driver, driver) /** * struct rio_device_id - RIO device identifier * @did: RIO device ID * @vid: RIO vendor ID * @asm_did: RIO assembly device ID * @asm_vid: RIO assembly vendor ID * * Identifies a RIO device based on both the device/vendor IDs and * the assembly device/vendor IDs. */ struct rio_device_id { u16 did, vid; u16 asm_did, asm_vid; }; /** * struct rio_route_ops - Per-switch route operations * @vid: RIO vendor ID * @did: RIO device ID * @add_hook: Callback that adds a route entry * @get_hook: Callback that gets a route entry * * Defines the operations that are necessary to manipulate the route * tables for a particular RIO switch device. */ struct rio_route_ops { u16 vid, did; int (*add_hook) (struct rio_mport * mport, u16 destid, u8 hopcount, u16 table, u16 route_destid, u8 route_port); int (*get_hook) (struct rio_mport * mport, u16 destid, u8 hopcount, u16 table, u16 route_destid, u8 * route_port); }; /* Architecture and hardware-specific functions */ extern int rio_init_mports(void); extern void rio_register_mport(struct rio_mport *); extern int rio_hw_add_outb_message(struct rio_mport *, struct rio_dev *, int, void *, size_t); extern int rio_hw_add_inb_buffer(struct rio_mport *, int, void *); extern void *rio_hw_get_inb_message(struct rio_mport *, int); extern int rio_open_inb_mbox(struct rio_mport *, void *, int, int); extern void rio_close_inb_mbox(struct rio_mport *, int); extern int rio_open_outb_mbox(struct rio_mport *, void *, int, int); extern void rio_close_outb_mbox(struct rio_mport *, int); #endif /* __KERNEL__ */ #endif /* LINUX_RIO_H */