170a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter/* 270a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * RapidIO interconnect services 370a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * (RapidIO Interconnect Specification, http://www.rapidio.org) 470a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * 570a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * Copyright 2005 MontaVista Software, Inc. 670a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * Matt Porter <mporter@kernel.crashing.org> 770a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * 870a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * This program is free software; you can redistribute it and/or modify it 970a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * under the terms of the GNU General Public License as published by the 1070a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * Free Software Foundation; either version 2 of the License, or (at your 1170a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * option) any later version. 1270a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter */ 1370a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter 1470a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter#ifndef LINUX_RIO_H 1570a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter#define LINUX_RIO_H 1670a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter 1770a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter#include <linux/types.h> 1870a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter#include <linux/ioport.h> 1970a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter#include <linux/list.h> 2070a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter#include <linux/errno.h> 2170a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter#include <linux/device.h> 2270a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter#include <linux/rio_regs.h> 2370a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter 2470a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter#define RIO_NO_HOPCOUNT -1 25c70555b051f2a32bf94a7e1c75b6b6759031b989Alexandre Bounine#define RIO_INVALID_DESTID 0xffff 2670a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter 27569fccb6b48878d654310e1ffaf9a5a6e46b3144Alexandre Bounine#define RIO_MAX_MPORTS 8 2870a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter#define RIO_MAX_MPORT_RESOURCES 16 2970a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter#define RIO_MAX_DEV_RESOURCES 16 3070a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter 3170a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter#define RIO_GLOBAL_TABLE 0xff /* Indicates access of a switch's 3270a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter global routing table if it 3370a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter has multiple (or per port) 3470a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter tables */ 3570a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter 3670a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter#define RIO_INVALID_ROUTE 0xff /* Indicates that a route table 3770a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter entry is invalid (no route 3870a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter exists for the device ID) */ 3970a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter 40e042323607f5c14844b1c59aebbca8d1251c7d89Zhang Wei#define RIO_MAX_ROUTE_ENTRIES(size) (size ? (1 << 16) : (1 << 8)) 41e042323607f5c14844b1c59aebbca8d1251c7d89Zhang Wei#define RIO_ANY_DESTID(size) (size ? 0xffff : 0xff) 4270a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter 4370a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter#define RIO_MAX_MBOX 4 4470a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter#define RIO_MAX_MSG_SIZE 0x1000 4570a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter 4670a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter/* 4770a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * Error values that may be returned by RIO functions. 4870a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter */ 4970a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter#define RIO_SUCCESSFUL 0x00 5070a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter#define RIO_BAD_SIZE 0x81 5170a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter 5270a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter/* 5370a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * For RIO devices, the region numbers are assigned this way: 5470a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * 5570a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * 0 RapidIO outbound doorbells 5670a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * 1-15 RapidIO memory regions 5770a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * 5870a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * For RIO master ports, the region number are assigned this way: 5970a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * 6070a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * 0 RapidIO inbound doorbells 6170a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * 1 RapidIO inbound mailboxes 6270a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * 1 RapidIO outbound mailboxes 6370a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter */ 6470a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter#define RIO_DOORBELL_RESOURCE 0 6570a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter#define RIO_INB_MBOX_RESOURCE 1 6670a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter#define RIO_OUTB_MBOX_RESOURCE 2 6770a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter 68e5cabeb3d60f9cd3e3950aff071319ae0e2d08d8Alexandre Bounine#define RIO_PW_MSG_SIZE 64 69e5cabeb3d60f9cd3e3950aff071319ae0e2d08d8Alexandre Bounine 70e6536927e64a2511864f2141d3e5b198b3f25ba6Alexandre Bounine/* 71e6536927e64a2511864f2141d3e5b198b3f25ba6Alexandre Bounine * A component tag value (stored in the component tag CSR) is used as device's 72e6536927e64a2511864f2141d3e5b198b3f25ba6Alexandre Bounine * unique identifier assigned during enumeration. Besides being used for 73e6536927e64a2511864f2141d3e5b198b3f25ba6Alexandre Bounine * identifying switches (which do not have device ID register), it also is used 74e6536927e64a2511864f2141d3e5b198b3f25ba6Alexandre Bounine * by error management notification and therefore has to be assigned 75e6536927e64a2511864f2141d3e5b198b3f25ba6Alexandre Bounine * to endpoints as well. 76e6536927e64a2511864f2141d3e5b198b3f25ba6Alexandre Bounine */ 77e6536927e64a2511864f2141d3e5b198b3f25ba6Alexandre Bounine#define RIO_CTAG_RESRVD 0xfffe0000 /* Reserved */ 78e6536927e64a2511864f2141d3e5b198b3f25ba6Alexandre Bounine#define RIO_CTAG_UDEVID 0x0001ffff /* Unique device identifier */ 79e6536927e64a2511864f2141d3e5b198b3f25ba6Alexandre Bounine 8070a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porterextern struct bus_type rio_bus_type; 812c70f022e2e1b1493e157dbc3796b1f70a3ff162Alexandre Bounineextern struct device rio_bus; 8270a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porterextern struct list_head rio_devices; /* list of all devices */ 8370a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter 8470a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porterstruct rio_mport; 85ded05782719d0f7e79af98be7cf88c7e23a90435Alexandre Bouninestruct rio_dev; 86e5cabeb3d60f9cd3e3950aff071319ae0e2d08d8Alexandre Bounineunion rio_pw_msg; 8770a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter 8870a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter/** 89ded05782719d0f7e79af98be7cf88c7e23a90435Alexandre Bounine * struct rio_switch - RIO switch info 90ded05782719d0f7e79af98be7cf88c7e23a90435Alexandre Bounine * @node: Node in global list of switches 91ded05782719d0f7e79af98be7cf88c7e23a90435Alexandre Bounine * @switchid: Switch ID that is unique across a network 92ded05782719d0f7e79af98be7cf88c7e23a90435Alexandre Bounine * @route_table: Copy of switch routing table 93ded05782719d0f7e79af98be7cf88c7e23a90435Alexandre Bounine * @port_ok: Status of each port (one bit per port) - OK=1 or UNINIT=0 94ded05782719d0f7e79af98be7cf88c7e23a90435Alexandre Bounine * @add_entry: Callback for switch-specific route add function 95ded05782719d0f7e79af98be7cf88c7e23a90435Alexandre Bounine * @get_entry: Callback for switch-specific route get function 96ded05782719d0f7e79af98be7cf88c7e23a90435Alexandre Bounine * @clr_table: Callback for switch-specific clear route table function 97ded05782719d0f7e79af98be7cf88c7e23a90435Alexandre Bounine * @set_domain: Callback for switch-specific domain setting function 98ded05782719d0f7e79af98be7cf88c7e23a90435Alexandre Bounine * @get_domain: Callback for switch-specific domain get function 99ded05782719d0f7e79af98be7cf88c7e23a90435Alexandre Bounine * @em_init: Callback for switch-specific error management init function 100ded05782719d0f7e79af98be7cf88c7e23a90435Alexandre Bounine * @em_handle: Callback for switch-specific error management handler function 101ded05782719d0f7e79af98be7cf88c7e23a90435Alexandre Bounine * @sw_sysfs: Callback that initializes switch-specific sysfs attributes 102ded05782719d0f7e79af98be7cf88c7e23a90435Alexandre Bounine * @nextdev: Array of per-port pointers to the next attached device 103ded05782719d0f7e79af98be7cf88c7e23a90435Alexandre Bounine */ 104ded05782719d0f7e79af98be7cf88c7e23a90435Alexandre Bouninestruct rio_switch { 105ded05782719d0f7e79af98be7cf88c7e23a90435Alexandre Bounine struct list_head node; 106ded05782719d0f7e79af98be7cf88c7e23a90435Alexandre Bounine u16 switchid; 107ded05782719d0f7e79af98be7cf88c7e23a90435Alexandre Bounine u8 *route_table; 108ded05782719d0f7e79af98be7cf88c7e23a90435Alexandre Bounine u32 port_ok; 109ded05782719d0f7e79af98be7cf88c7e23a90435Alexandre Bounine int (*add_entry) (struct rio_mport *mport, u16 destid, u8 hopcount, 110ded05782719d0f7e79af98be7cf88c7e23a90435Alexandre Bounine u16 table, u16 route_destid, u8 route_port); 111ded05782719d0f7e79af98be7cf88c7e23a90435Alexandre Bounine int (*get_entry) (struct rio_mport *mport, u16 destid, u8 hopcount, 112ded05782719d0f7e79af98be7cf88c7e23a90435Alexandre Bounine u16 table, u16 route_destid, u8 *route_port); 113ded05782719d0f7e79af98be7cf88c7e23a90435Alexandre Bounine int (*clr_table) (struct rio_mport *mport, u16 destid, u8 hopcount, 114ded05782719d0f7e79af98be7cf88c7e23a90435Alexandre Bounine u16 table); 115ded05782719d0f7e79af98be7cf88c7e23a90435Alexandre Bounine int (*set_domain) (struct rio_mport *mport, u16 destid, u8 hopcount, 116ded05782719d0f7e79af98be7cf88c7e23a90435Alexandre Bounine u8 sw_domain); 117ded05782719d0f7e79af98be7cf88c7e23a90435Alexandre Bounine int (*get_domain) (struct rio_mport *mport, u16 destid, u8 hopcount, 118ded05782719d0f7e79af98be7cf88c7e23a90435Alexandre Bounine u8 *sw_domain); 119ded05782719d0f7e79af98be7cf88c7e23a90435Alexandre Bounine int (*em_init) (struct rio_dev *dev); 120ded05782719d0f7e79af98be7cf88c7e23a90435Alexandre Bounine int (*em_handle) (struct rio_dev *dev, u8 swport); 121ded05782719d0f7e79af98be7cf88c7e23a90435Alexandre Bounine int (*sw_sysfs) (struct rio_dev *dev, int create); 122ded05782719d0f7e79af98be7cf88c7e23a90435Alexandre Bounine struct rio_dev *nextdev[0]; 123ded05782719d0f7e79af98be7cf88c7e23a90435Alexandre Bounine}; 124ded05782719d0f7e79af98be7cf88c7e23a90435Alexandre Bounine 125ded05782719d0f7e79af98be7cf88c7e23a90435Alexandre Bounine/** 12670a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * struct rio_dev - RIO device info 12770a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @global_list: Node in list of all RIO devices 12870a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @net_list: Node in list of RIO devices in a network 12970a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @net: Network this device is a part of 13070a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @did: Device ID 13170a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @vid: Vendor ID 13270a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @device_rev: Device revision 13370a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @asm_did: Assembly device ID 13470a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @asm_vid: Assembly vendor ID 13570a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @asm_rev: Assembly revision 13670a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @efptr: Extended feature pointer 13770a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @pef: Processing element features 13870a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @swpinfo: Switch port info 13970a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @src_ops: Source operation capabilities 14070a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @dst_ops: Destination operation capabilities 14197ef6f7449da6ceddf9a90fa8851f607b67283ddRandy Dunlap * @comp_tag: RIO component tag 14297ef6f7449da6ceddf9a90fa8851f607b67283ddRandy Dunlap * @phys_efptr: RIO device extended features pointer 14397ef6f7449da6ceddf9a90fa8851f607b67283ddRandy Dunlap * @em_efptr: RIO Error Management features pointer 144fa78cc51794912b7e6ee98cd823fcc84cf79d04aMatt Porter * @dma_mask: Mask of bits of RIO address this device implements 14570a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @driver: Driver claiming this device 14670a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @dev: Device model device 14770a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @riores: RIO resources this device owns 14897ef6f7449da6ceddf9a90fa8851f607b67283ddRandy Dunlap * @pwcback: port-write callback function for this device 149a93192a5d245a262dc52fa426de5b20467308a77Alexandre Bounine * @destid: Network destination ID (or associated destid for switch) 150a93192a5d245a262dc52fa426de5b20467308a77Alexandre Bounine * @hopcount: Hopcount to this device 15168fe4df5d21294401959fa61d5a7094705ed8f6fAlexandre Bounine * @prev: Previous RIO device connected to the current one 152ded05782719d0f7e79af98be7cf88c7e23a90435Alexandre Bounine * @rswitch: struct rio_switch (if valid for this device) 15370a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter */ 15470a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porterstruct rio_dev { 15570a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter struct list_head global_list; /* node in list of all RIO devices */ 15670a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter struct list_head net_list; /* node in per net list */ 15770a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter struct rio_net *net; /* RIO net this device resides in */ 15870a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter u16 did; 15970a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter u16 vid; 16070a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter u32 device_rev; 16170a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter u16 asm_did; 16270a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter u16 asm_vid; 16370a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter u16 asm_rev; 16470a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter u16 efptr; 16570a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter u32 pef; 166ae05cbd5adef897d405ce8f90484c1239f79e086Alexandre Bounine u32 swpinfo; 16770a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter u32 src_ops; 16870a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter u32 dst_ops; 169e5cabeb3d60f9cd3e3950aff071319ae0e2d08d8Alexandre Bounine u32 comp_tag; 170e5cabeb3d60f9cd3e3950aff071319ae0e2d08d8Alexandre Bounine u32 phys_efptr; 171e5cabeb3d60f9cd3e3950aff071319ae0e2d08d8Alexandre Bounine u32 em_efptr; 172fa78cc51794912b7e6ee98cd823fcc84cf79d04aMatt Porter u64 dma_mask; 17370a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter struct rio_driver *driver; /* RIO driver claiming this device */ 17470a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter struct device dev; /* LDM device structure */ 17570a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter struct resource riores[RIO_MAX_DEV_RESOURCES]; 176e5cabeb3d60f9cd3e3950aff071319ae0e2d08d8Alexandre Bounine int (*pwcback) (struct rio_dev *rdev, union rio_pw_msg *msg, int step); 17770a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter u16 destid; 178a93192a5d245a262dc52fa426de5b20467308a77Alexandre Bounine u8 hopcount; 17968fe4df5d21294401959fa61d5a7094705ed8f6fAlexandre Bounine struct rio_dev *prev; 180ded05782719d0f7e79af98be7cf88c7e23a90435Alexandre Bounine struct rio_switch rswitch[0]; /* RIO switch info */ 18170a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter}; 18270a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter 18370a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter#define rio_dev_g(n) list_entry(n, struct rio_dev, global_list) 18470a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter#define rio_dev_f(n) list_entry(n, struct rio_dev, net_list) 18570a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter#define to_rio_dev(n) container_of(n, struct rio_dev, dev) 186ded05782719d0f7e79af98be7cf88c7e23a90435Alexandre Bounine#define sw_to_rio_dev(n) container_of(n, struct rio_dev, rswitch[0]) 18770a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter 18870a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter/** 18970a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * struct rio_msg - RIO message event 19070a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @res: Mailbox resource 19170a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @mcback: Message event callback 19270a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter */ 19370a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porterstruct rio_msg { 19470a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter struct resource *res; 1956978bbc097c2f665c336927a9d56ae39ef75fa56Matt Porter void (*mcback) (struct rio_mport * mport, void *dev_id, int mbox, int slot); 19670a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter}; 19770a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter 19870a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter/** 19970a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * struct rio_dbell - RIO doorbell event 20070a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @node: Node in list of doorbell events 20170a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @res: Doorbell resource 20270a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @dinb: Doorbell event callback 2036978bbc097c2f665c336927a9d56ae39ef75fa56Matt Porter * @dev_id: Device specific pointer to pass on event 20470a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter */ 20570a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porterstruct rio_dbell { 20670a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter struct list_head node; 20770a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter struct resource *res; 2086978bbc097c2f665c336927a9d56ae39ef75fa56Matt Porter void (*dinb) (struct rio_mport *mport, void *dev_id, u16 src, u16 dst, u16 info); 2096978bbc097c2f665c336927a9d56ae39ef75fa56Matt Porter void *dev_id; 21070a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter}; 21170a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter 21261b269179df582bb363f871e88f732fe8af62a5eZhang Weienum rio_phy_type { 21361b269179df582bb363f871e88f732fe8af62a5eZhang Wei RIO_PHY_PARALLEL, 21461b269179df582bb363f871e88f732fe8af62a5eZhang Wei RIO_PHY_SERIAL, 21561b269179df582bb363f871e88f732fe8af62a5eZhang Wei}; 21661b269179df582bb363f871e88f732fe8af62a5eZhang Wei 21770a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter/** 21870a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * struct rio_mport - RIO master port info 21970a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @dbells: List of doorbell events 22070a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @node: Node in global list of master ports 22170a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @nnode: Node in network list of master ports 22270a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @iores: I/O mem resource that this master port interface owns 22370a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @riores: RIO resources that this master port interfaces owns 22470a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @inb_msg: RIO inbound message event descriptors 22570a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @outb_msg: RIO outbound message event descriptors 22670a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @host_deviceid: Host device ID associated with this master port 22770a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @ops: configuration space functions 22870a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @id: Port ID, unique among all ports 22970a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @index: Port index, unique among all port interfaces of the same type 2309941d945f491320bc121d86c558b1288ac0ad6caRandy Dunlap * @sys_size: RapidIO common transport system size 2319941d945f491320bc121d86c558b1288ac0ad6caRandy Dunlap * @phy_type: RapidIO phy type 232af84ca38aff94061dd0711edbb99b0900a9c28fdAlexandre Bounine * @phys_efptr: RIO port extended features pointer 23370a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @name: Port name string 234ad1e9380b17addf112f89ce5a57d4d0bee129b7aZhang Wei * @priv: Master port private data 23570a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter */ 23670a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porterstruct rio_mport { 23770a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter struct list_head dbells; /* list of doorbell events */ 23870a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter struct list_head node; /* node in global list of ports */ 23970a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter struct list_head nnode; /* node in net list of ports */ 24070a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter struct resource iores; 24170a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter struct resource riores[RIO_MAX_MPORT_RESOURCES]; 24270a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter struct rio_msg inb_msg[RIO_MAX_MBOX]; 24370a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter struct rio_msg outb_msg[RIO_MAX_MBOX]; 24470a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter int host_deviceid; /* Host device ID */ 245f8f0626989c85b3d8bd67eff29d9dd3d14a5e71fAlexandre Bounine struct rio_ops *ops; /* low-level architecture-dependent routines */ 24670a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter unsigned char id; /* port ID, unique among all ports */ 24770a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter unsigned char index; /* port index, unique among all port 24870a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter interfaces of the same type */ 249e042323607f5c14844b1c59aebbca8d1251c7d89Zhang Wei unsigned int sys_size; /* RapidIO common transport system size. 250e042323607f5c14844b1c59aebbca8d1251c7d89Zhang Wei * 0 - Small size. 256 devices. 251e042323607f5c14844b1c59aebbca8d1251c7d89Zhang Wei * 1 - Large size, 65536 devices. 252e042323607f5c14844b1c59aebbca8d1251c7d89Zhang Wei */ 25361b269179df582bb363f871e88f732fe8af62a5eZhang Wei enum rio_phy_type phy_type; /* RapidIO phy type */ 254af84ca38aff94061dd0711edbb99b0900a9c28fdAlexandre Bounine u32 phys_efptr; 25570a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter unsigned char name[40]; 256ad1e9380b17addf112f89ce5a57d4d0bee129b7aZhang Wei void *priv; /* Master port private data */ 25770a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter}; 25870a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter 25970a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter/** 26070a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * struct rio_net - RIO network info 26170a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @node: Node in global list of RIO networks 26270a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @devices: List of devices in this network 26370a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @mports: List of master ports accessing this network 26470a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @hport: Default port for accessing this network 26570a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @id: RIO network ID 26670a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter */ 26770a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porterstruct rio_net { 26870a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter struct list_head node; /* node in list of networks */ 26970a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter struct list_head devices; /* list of devices in this net */ 27070a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter struct list_head mports; /* list of ports accessing net */ 27170a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter struct rio_mport *hport; /* primary port for accessing net */ 27270a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter unsigned char id; /* RIO network ID */ 27370a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter}; 27470a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter 275ac38d7232dfa3c71b129bab3318ba327bbcf8405Alexandre Bounine/* Definitions used by switch sysfs initialization callback */ 276ac38d7232dfa3c71b129bab3318ba327bbcf8405Alexandre Bounine#define RIO_SW_SYSFS_CREATE 1 /* Create switch attributes */ 277ac38d7232dfa3c71b129bab3318ba327bbcf8405Alexandre Bounine#define RIO_SW_SYSFS_REMOVE 0 /* Remove switch attributes */ 278ac38d7232dfa3c71b129bab3318ba327bbcf8405Alexandre Bounine 27970a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter/* Low-level architecture-dependent routines */ 28070a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter 28170a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter/** 28270a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * struct rio_ops - Low-level RIO configuration space operations 28370a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @lcread: Callback to perform local (master port) read of config space. 28470a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @lcwrite: Callback to perform local (master port) write of config space. 28570a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @cread: Callback to perform network read of config space. 28670a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @cwrite: Callback to perform network write of config space. 28770a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @dsend: Callback to send a doorbell message. 288e5cabeb3d60f9cd3e3950aff071319ae0e2d08d8Alexandre Bounine * @pwenable: Callback to enable/disable port-write message handling. 289f8f0626989c85b3d8bd67eff29d9dd3d14a5e71fAlexandre Bounine * @open_outb_mbox: Callback to initialize outbound mailbox. 290f8f0626989c85b3d8bd67eff29d9dd3d14a5e71fAlexandre Bounine * @close_outb_mbox: Callback to shut down outbound mailbox. 291f8f0626989c85b3d8bd67eff29d9dd3d14a5e71fAlexandre Bounine * @open_inb_mbox: Callback to initialize inbound mailbox. 292f8f0626989c85b3d8bd67eff29d9dd3d14a5e71fAlexandre Bounine * @close_inb_mbox: Callback to shut down inbound mailbox. 293f8f0626989c85b3d8bd67eff29d9dd3d14a5e71fAlexandre Bounine * @add_outb_message: Callback to add a message to an outbound mailbox queue. 294f8f0626989c85b3d8bd67eff29d9dd3d14a5e71fAlexandre Bounine * @add_inb_buffer: Callback to add a buffer to an inbound mailbox queue. 295f8f0626989c85b3d8bd67eff29d9dd3d14a5e71fAlexandre Bounine * @get_inb_message: Callback to get a message from an inbound mailbox queue. 29670a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter */ 29770a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porterstruct rio_ops { 298ad1e9380b17addf112f89ce5a57d4d0bee129b7aZhang Wei int (*lcread) (struct rio_mport *mport, int index, u32 offset, int len, 299ad1e9380b17addf112f89ce5a57d4d0bee129b7aZhang Wei u32 *data); 300ad1e9380b17addf112f89ce5a57d4d0bee129b7aZhang Wei int (*lcwrite) (struct rio_mport *mport, int index, u32 offset, int len, 301ad1e9380b17addf112f89ce5a57d4d0bee129b7aZhang Wei u32 data); 302ad1e9380b17addf112f89ce5a57d4d0bee129b7aZhang Wei int (*cread) (struct rio_mport *mport, int index, u16 destid, 303ad1e9380b17addf112f89ce5a57d4d0bee129b7aZhang Wei u8 hopcount, u32 offset, int len, u32 *data); 304ad1e9380b17addf112f89ce5a57d4d0bee129b7aZhang Wei int (*cwrite) (struct rio_mport *mport, int index, u16 destid, 305ad1e9380b17addf112f89ce5a57d4d0bee129b7aZhang Wei u8 hopcount, u32 offset, int len, u32 data); 306ad1e9380b17addf112f89ce5a57d4d0bee129b7aZhang Wei int (*dsend) (struct rio_mport *mport, int index, u16 destid, u16 data); 307e5cabeb3d60f9cd3e3950aff071319ae0e2d08d8Alexandre Bounine int (*pwenable) (struct rio_mport *mport, int enable); 308f8f0626989c85b3d8bd67eff29d9dd3d14a5e71fAlexandre Bounine int (*open_outb_mbox)(struct rio_mport *mport, void *dev_id, 309f8f0626989c85b3d8bd67eff29d9dd3d14a5e71fAlexandre Bounine int mbox, int entries); 310f8f0626989c85b3d8bd67eff29d9dd3d14a5e71fAlexandre Bounine void (*close_outb_mbox)(struct rio_mport *mport, int mbox); 311f8f0626989c85b3d8bd67eff29d9dd3d14a5e71fAlexandre Bounine int (*open_inb_mbox)(struct rio_mport *mport, void *dev_id, 312f8f0626989c85b3d8bd67eff29d9dd3d14a5e71fAlexandre Bounine int mbox, int entries); 313f8f0626989c85b3d8bd67eff29d9dd3d14a5e71fAlexandre Bounine void (*close_inb_mbox)(struct rio_mport *mport, int mbox); 314f8f0626989c85b3d8bd67eff29d9dd3d14a5e71fAlexandre Bounine int (*add_outb_message)(struct rio_mport *mport, struct rio_dev *rdev, 315f8f0626989c85b3d8bd67eff29d9dd3d14a5e71fAlexandre Bounine int mbox, void *buffer, size_t len); 316f8f0626989c85b3d8bd67eff29d9dd3d14a5e71fAlexandre Bounine int (*add_inb_buffer)(struct rio_mport *mport, int mbox, void *buf); 317f8f0626989c85b3d8bd67eff29d9dd3d14a5e71fAlexandre Bounine void *(*get_inb_message)(struct rio_mport *mport, int mbox); 31870a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter}; 31970a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter 32070a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter#define RIO_RESOURCE_MEM 0x00000100 32170a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter#define RIO_RESOURCE_DOORBELL 0x00000200 32270a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter#define RIO_RESOURCE_MAILBOX 0x00000400 32370a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter 32470a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter#define RIO_RESOURCE_CACHEABLE 0x00010000 32570a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter#define RIO_RESOURCE_PCI 0x00020000 32670a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter 32770a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter#define RIO_RESOURCE_BUSY 0x80000000 32870a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter 32970a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter/** 33070a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * struct rio_driver - RIO driver info 33170a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @node: Node in list of drivers 33270a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @name: RIO driver name 33370a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @id_table: RIO device ids to be associated with this driver 33470a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @probe: RIO device inserted 33570a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @remove: RIO device removed 33670a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @suspend: RIO device suspended 33770a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @resume: RIO device awakened 33870a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @enable_wake: RIO device enable wake event 33970a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @driver: LDM driver struct 34070a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * 34170a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * Provides info on a RIO device driver for insertion/removal and 34270a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * power management purposes. 34370a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter */ 34470a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porterstruct rio_driver { 34570a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter struct list_head node; 34670a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter char *name; 34770a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter const struct rio_device_id *id_table; 34870a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter int (*probe) (struct rio_dev * dev, const struct rio_device_id * id); 34970a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter void (*remove) (struct rio_dev * dev); 35070a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter int (*suspend) (struct rio_dev * dev, u32 state); 35170a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter int (*resume) (struct rio_dev * dev); 35270a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter int (*enable_wake) (struct rio_dev * dev, u32 state, int enable); 35370a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter struct device_driver driver; 35470a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter}; 35570a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter 35670a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter#define to_rio_driver(drv) container_of(drv,struct rio_driver, driver) 35770a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter 35870a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter/** 35970a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * struct rio_device_id - RIO device identifier 36070a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @did: RIO device ID 36170a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @vid: RIO vendor ID 36270a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @asm_did: RIO assembly device ID 36370a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @asm_vid: RIO assembly vendor ID 36470a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * 36570a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * Identifies a RIO device based on both the device/vendor IDs and 36670a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * the assembly device/vendor IDs. 36770a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter */ 36870a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porterstruct rio_device_id { 36970a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter u16 did, vid; 37070a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter u16 asm_did, asm_vid; 37170a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter}; 37270a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter 37370a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter/** 374058f88d672b3161fe511ebe2996c3faef63c1c8eAlexandre Bounine * struct rio_switch_ops - Per-switch operations 37570a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @vid: RIO vendor ID 37670a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * @did: RIO device ID 377058f88d672b3161fe511ebe2996c3faef63c1c8eAlexandre Bounine * @init_hook: Callback that performs switch device initialization 37870a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter * 379058f88d672b3161fe511ebe2996c3faef63c1c8eAlexandre Bounine * Defines the operations that are necessary to initialize/control 380058f88d672b3161fe511ebe2996c3faef63c1c8eAlexandre Bounine * a particular RIO switch device. 38170a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter */ 382058f88d672b3161fe511ebe2996c3faef63c1c8eAlexandre Bouninestruct rio_switch_ops { 38370a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter u16 vid, did; 384058f88d672b3161fe511ebe2996c3faef63c1c8eAlexandre Bounine int (*init_hook) (struct rio_dev *rdev, int do_enum); 385e5cabeb3d60f9cd3e3950aff071319ae0e2d08d8Alexandre Bounine}; 386e5cabeb3d60f9cd3e3950aff071319ae0e2d08d8Alexandre Bounine 387e5cabeb3d60f9cd3e3950aff071319ae0e2d08d8Alexandre Bounineunion rio_pw_msg { 388e5cabeb3d60f9cd3e3950aff071319ae0e2d08d8Alexandre Bounine struct { 389e5cabeb3d60f9cd3e3950aff071319ae0e2d08d8Alexandre Bounine u32 comptag; /* Component Tag CSR */ 390e5cabeb3d60f9cd3e3950aff071319ae0e2d08d8Alexandre Bounine u32 errdetect; /* Port N Error Detect CSR */ 391e5cabeb3d60f9cd3e3950aff071319ae0e2d08d8Alexandre Bounine u32 is_port; /* Implementation specific + PortID */ 392e5cabeb3d60f9cd3e3950aff071319ae0e2d08d8Alexandre Bounine u32 ltlerrdet; /* LTL Error Detect CSR */ 393e5cabeb3d60f9cd3e3950aff071319ae0e2d08d8Alexandre Bounine u32 padding[12]; 394e5cabeb3d60f9cd3e3950aff071319ae0e2d08d8Alexandre Bounine } em; 395e5cabeb3d60f9cd3e3950aff071319ae0e2d08d8Alexandre Bounine u32 raw[RIO_PW_MSG_SIZE/sizeof(u32)]; 396e5cabeb3d60f9cd3e3950aff071319ae0e2d08d8Alexandre Bounine}; 397e5cabeb3d60f9cd3e3950aff071319ae0e2d08d8Alexandre Bounine 39870a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter/* Architecture and hardware-specific functions */ 39959f9996555542f901f2d01ccab5c0612c8c5c480Alexandre Bounineextern int rio_register_mport(struct rio_mport *); 4006978bbc097c2f665c336927a9d56ae39ef75fa56Matt Porterextern int rio_open_inb_mbox(struct rio_mport *, void *, int, int); 40170a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porterextern void rio_close_inb_mbox(struct rio_mport *, int); 4026978bbc097c2f665c336927a9d56ae39ef75fa56Matt Porterextern int rio_open_outb_mbox(struct rio_mport *, void *, int, int); 40370a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porterextern void rio_close_outb_mbox(struct rio_mport *, int); 40470a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter 40570a50ebd9a94533964c19f918dbbd66763e3f9e5Matt Porter#endif /* LINUX_RIO_H */ 406