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[PATCH] RapidIO support: core includes
Add RapidIO core include files. The core code implements enumeration/discovery, management of devices/resources, and interfaces for RIO drivers. Signed-off-by: Matt Porter <mporter@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Matt Porter
Linus Torvalds
parent
394b701ce4
commit
70a50ebd9a
321
include/linux/rio.h
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321
include/linux/rio.h
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@ -0,0 +1,321 @@
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/*
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* RapidIO interconnect services
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* (RapidIO Interconnect Specification, http://www.rapidio.org)
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*
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* Copyright 2005 MontaVista Software, Inc.
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* Matt Porter <mporter@kernel.crashing.org>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*/
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#ifndef LINUX_RIO_H
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#define LINUX_RIO_H
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#ifdef __KERNEL__
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#include <linux/types.h>
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#include <linux/config.h>
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#include <linux/ioport.h>
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#include <linux/list.h>
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#include <linux/errno.h>
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#include <linux/device.h>
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#include <linux/rio_regs.h>
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#define RIO_ANY_DESTID 0xff
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#define RIO_NO_HOPCOUNT -1
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#define RIO_MAX_MPORT_RESOURCES 16
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#define RIO_MAX_DEV_RESOURCES 16
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#define RIO_GLOBAL_TABLE 0xff /* Indicates access of a switch's
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global routing table if it
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has multiple (or per port)
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tables */
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#define RIO_INVALID_ROUTE 0xff /* Indicates that a route table
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entry is invalid (no route
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exists for the device ID) */
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#ifdef CONFIG_RAPIDIO_8_BIT_TRANSPORT
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#define RIO_MAX_ROUTE_ENTRIES (1 << 8)
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#else
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#define RIO_MAX_ROUTE_ENTRIES (1 << 16)
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#endif
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#define RIO_MAX_MBOX 4
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#define RIO_MAX_MSG_SIZE 0x1000
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/*
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* Error values that may be returned by RIO functions.
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*/
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#define RIO_SUCCESSFUL 0x00
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#define RIO_BAD_SIZE 0x81
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/*
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* For RIO devices, the region numbers are assigned this way:
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*
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* 0 RapidIO outbound doorbells
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* 1-15 RapidIO memory regions
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*
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* For RIO master ports, the region number are assigned this way:
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*
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* 0 RapidIO inbound doorbells
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* 1 RapidIO inbound mailboxes
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* 1 RapidIO outbound mailboxes
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*/
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#define RIO_DOORBELL_RESOURCE 0
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#define RIO_INB_MBOX_RESOURCE 1
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#define RIO_OUTB_MBOX_RESOURCE 2
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extern struct bus_type rio_bus_type;
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extern struct list_head rio_devices; /* list of all devices */
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struct rio_mport;
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/**
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* struct rio_dev - RIO device info
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* @global_list: Node in list of all RIO devices
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* @net_list: Node in list of RIO devices in a network
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* @net: Network this device is a part of
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* @did: Device ID
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* @vid: Vendor ID
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* @device_rev: Device revision
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* @asm_did: Assembly device ID
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* @asm_vid: Assembly vendor ID
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* @asm_rev: Assembly revision
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* @efptr: Extended feature pointer
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* @pef: Processing element features
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* @swpinfo: Switch port info
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* @src_ops: Source operation capabilities
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* @dst_ops: Destination operation capabilities
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* @rswitch: Pointer to &struct rio_switch if valid for this device
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* @driver: Driver claiming this device
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* @dev: Device model device
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* @riores: RIO resources this device owns
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* @destid: Network destination ID
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*/
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struct rio_dev {
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struct list_head global_list; /* node in list of all RIO devices */
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struct list_head net_list; /* node in per net list */
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struct rio_net *net; /* RIO net this device resides in */
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u16 did;
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u16 vid;
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u32 device_rev;
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u16 asm_did;
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u16 asm_vid;
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u16 asm_rev;
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u16 efptr;
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u32 pef;
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u32 swpinfo; /* Only used for switches */
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u32 src_ops;
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u32 dst_ops;
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struct rio_switch *rswitch; /* RIO switch info */
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struct rio_driver *driver; /* RIO driver claiming this device */
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struct device dev; /* LDM device structure */
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struct resource riores[RIO_MAX_DEV_RESOURCES];
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u16 destid;
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};
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#define rio_dev_g(n) list_entry(n, struct rio_dev, global_list)
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#define rio_dev_f(n) list_entry(n, struct rio_dev, net_list)
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#define to_rio_dev(n) container_of(n, struct rio_dev, dev)
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/**
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* struct rio_msg - RIO message event
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* @res: Mailbox resource
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* @mcback: Message event callback
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*/
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struct rio_msg {
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struct resource *res;
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void (*mcback) (struct rio_mport * mport, int mbox, int slot);
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};
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/**
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* struct rio_dbell - RIO doorbell event
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* @node: Node in list of doorbell events
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* @res: Doorbell resource
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* @dinb: Doorbell event callback
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*/
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struct rio_dbell {
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struct list_head node;
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struct resource *res;
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void (*dinb) (struct rio_mport * mport, u16 src, u16 dst, u16 info);
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};
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/**
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* struct rio_mport - RIO master port info
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* @dbells: List of doorbell events
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* @node: Node in global list of master ports
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* @nnode: Node in network list of master ports
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* @iores: I/O mem resource that this master port interface owns
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* @riores: RIO resources that this master port interfaces owns
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* @inb_msg: RIO inbound message event descriptors
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* @outb_msg: RIO outbound message event descriptors
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* @host_deviceid: Host device ID associated with this master port
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* @ops: configuration space functions
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* @id: Port ID, unique among all ports
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* @index: Port index, unique among all port interfaces of the same type
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* @name: Port name string
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*/
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struct rio_mport {
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struct list_head dbells; /* list of doorbell events */
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struct list_head node; /* node in global list of ports */
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struct list_head nnode; /* node in net list of ports */
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struct resource iores;
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struct resource riores[RIO_MAX_MPORT_RESOURCES];
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struct rio_msg inb_msg[RIO_MAX_MBOX];
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struct rio_msg outb_msg[RIO_MAX_MBOX];
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int host_deviceid; /* Host device ID */
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struct rio_ops *ops; /* maintenance transaction functions */
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unsigned char id; /* port ID, unique among all ports */
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unsigned char index; /* port index, unique among all port
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interfaces of the same type */
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unsigned char name[40];
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};
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/**
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* struct rio_net - RIO network info
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* @node: Node in global list of RIO networks
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* @devices: List of devices in this network
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* @mports: List of master ports accessing this network
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* @hport: Default port for accessing this network
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* @id: RIO network ID
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*/
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struct rio_net {
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struct list_head node; /* node in list of networks */
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struct list_head devices; /* list of devices in this net */
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struct list_head mports; /* list of ports accessing net */
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struct rio_mport *hport; /* primary port for accessing net */
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unsigned char id; /* RIO network ID */
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};
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/**
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* struct rio_switch - RIO switch info
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* @node: Node in global list of switches
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* @switchid: Switch ID that is unique across a network
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* @hopcount: Hopcount to this switch
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* @destid: Associated destid in the path
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* @route_table: Copy of switch routing table
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* @add_entry: Callback for switch-specific route add function
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* @get_entry: Callback for switch-specific route get function
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*/
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struct rio_switch {
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struct list_head node;
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u16 switchid;
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u16 hopcount;
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u16 destid;
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u8 route_table[RIO_MAX_ROUTE_ENTRIES];
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int (*add_entry) (struct rio_mport * mport, u16 destid, u8 hopcount,
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u16 table, u16 route_destid, u8 route_port);
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int (*get_entry) (struct rio_mport * mport, u16 destid, u8 hopcount,
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u16 table, u16 route_destid, u8 * route_port);
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};
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/* Low-level architecture-dependent routines */
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/**
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* struct rio_ops - Low-level RIO configuration space operations
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* @lcread: Callback to perform local (master port) read of config space.
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* @lcwrite: Callback to perform local (master port) write of config space.
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* @cread: Callback to perform network read of config space.
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* @cwrite: Callback to perform network write of config space.
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* @dsend: Callback to send a doorbell message.
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*/
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struct rio_ops {
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int (*lcread) (int index, u32 offset, int len, u32 * data);
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int (*lcwrite) (int index, u32 offset, int len, u32 data);
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int (*cread) (int index, u16 destid, u8 hopcount, u32 offset, int len,
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u32 * data);
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int (*cwrite) (int index, u16 destid, u8 hopcount, u32 offset, int len,
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u32 data);
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int (*dsend) (int index, u16 destid, u16 data);
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};
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#define RIO_RESOURCE_MEM 0x00000100
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#define RIO_RESOURCE_DOORBELL 0x00000200
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#define RIO_RESOURCE_MAILBOX 0x00000400
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#define RIO_RESOURCE_CACHEABLE 0x00010000
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#define RIO_RESOURCE_PCI 0x00020000
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#define RIO_RESOURCE_BUSY 0x80000000
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/**
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* struct rio_driver - RIO driver info
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* @node: Node in list of drivers
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* @name: RIO driver name
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* @id_table: RIO device ids to be associated with this driver
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* @probe: RIO device inserted
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* @remove: RIO device removed
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* @suspend: RIO device suspended
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* @resume: RIO device awakened
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* @enable_wake: RIO device enable wake event
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* @driver: LDM driver struct
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*
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* Provides info on a RIO device driver for insertion/removal and
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* power management purposes.
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*/
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struct rio_driver {
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struct list_head node;
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char *name;
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const struct rio_device_id *id_table;
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int (*probe) (struct rio_dev * dev, const struct rio_device_id * id);
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void (*remove) (struct rio_dev * dev);
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int (*suspend) (struct rio_dev * dev, u32 state);
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int (*resume) (struct rio_dev * dev);
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int (*enable_wake) (struct rio_dev * dev, u32 state, int enable);
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struct device_driver driver;
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};
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#define to_rio_driver(drv) container_of(drv,struct rio_driver, driver)
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/**
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* struct rio_device_id - RIO device identifier
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* @did: RIO device ID
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* @vid: RIO vendor ID
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* @asm_did: RIO assembly device ID
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* @asm_vid: RIO assembly vendor ID
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*
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* Identifies a RIO device based on both the device/vendor IDs and
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* the assembly device/vendor IDs.
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*/
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struct rio_device_id {
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u16 did, vid;
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u16 asm_did, asm_vid;
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};
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/**
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* struct rio_route_ops - Per-switch route operations
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* @vid: RIO vendor ID
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* @did: RIO device ID
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* @add_hook: Callback that adds a route entry
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* @get_hook: Callback that gets a route entry
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*
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* Defines the operations that are necessary to manipulate the route
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* tables for a particular RIO switch device.
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*/
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struct rio_route_ops {
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u16 vid, did;
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int (*add_hook) (struct rio_mport * mport, u16 destid, u8 hopcount,
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u16 table, u16 route_destid, u8 route_port);
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int (*get_hook) (struct rio_mport * mport, u16 destid, u8 hopcount,
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u16 table, u16 route_destid, u8 * route_port);
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};
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/* Architecture and hardware-specific functions */
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extern int rio_init_mports(void);
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extern void rio_register_mport(struct rio_mport *);
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extern int rio_hw_add_outb_message(struct rio_mport *, struct rio_dev *, int,
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void *, size_t);
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extern int rio_hw_add_inb_buffer(struct rio_mport *, int, void *);
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extern void *rio_hw_get_inb_message(struct rio_mport *, int);
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extern int rio_open_inb_mbox(struct rio_mport *, int, int);
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extern void rio_close_inb_mbox(struct rio_mport *, int);
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extern int rio_open_outb_mbox(struct rio_mport *, int, int);
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extern void rio_close_outb_mbox(struct rio_mport *, int);
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#endif /* __KERNEL__ */
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#endif /* LINUX_RIO_H */
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469
include/linux/rio_drv.h
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469
include/linux/rio_drv.h
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@ -0,0 +1,469 @@
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/*
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* RapidIO driver services
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*
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* Copyright 2005 MontaVista Software, Inc.
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* Matt Porter <mporter@kernel.crashing.org>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*/
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#ifndef LINUX_RIO_DRV_H
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#define LINUX_RIO_DRV_H
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#ifdef __KERNEL__
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#include <linux/types.h>
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#include <linux/config.h>
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#include <linux/ioport.h>
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#include <linux/list.h>
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#include <linux/errno.h>
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#include <linux/device.h>
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#include <linux/rio.h>
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extern int __rio_local_read_config_32(struct rio_mport *port, u32 offset,
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u32 * data);
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extern int __rio_local_write_config_32(struct rio_mport *port, u32 offset,
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u32 data);
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extern int __rio_local_read_config_16(struct rio_mport *port, u32 offset,
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u16 * data);
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extern int __rio_local_write_config_16(struct rio_mport *port, u32 offset,
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u16 data);
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extern int __rio_local_read_config_8(struct rio_mport *port, u32 offset,
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u8 * data);
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extern int __rio_local_write_config_8(struct rio_mport *port, u32 offset,
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u8 data);
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extern int rio_mport_read_config_32(struct rio_mport *port, u16 destid,
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u8 hopcount, u32 offset, u32 * data);
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extern int rio_mport_write_config_32(struct rio_mport *port, u16 destid,
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u8 hopcount, u32 offset, u32 data);
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extern int rio_mport_read_config_16(struct rio_mport *port, u16 destid,
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u8 hopcount, u32 offset, u16 * data);
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extern int rio_mport_write_config_16(struct rio_mport *port, u16 destid,
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u8 hopcount, u32 offset, u16 data);
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extern int rio_mport_read_config_8(struct rio_mport *port, u16 destid,
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u8 hopcount, u32 offset, u8 * data);
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extern int rio_mport_write_config_8(struct rio_mport *port, u16 destid,
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u8 hopcount, u32 offset, u8 data);
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/**
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* rio_local_read_config_32 - Read 32 bits from local configuration space
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* @port: Master port
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* @offset: Offset into local configuration space
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* @data: Pointer to read data into
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*
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* Reads 32 bits of data from the specified offset within the local
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* device's configuration space.
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*/
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static inline int rio_local_read_config_32(struct rio_mport *port, u32 offset,
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u32 * data)
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{
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return __rio_local_read_config_32(port, offset, data);
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}
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/**
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* rio_local_write_config_32 - Write 32 bits to local configuration space
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* @port: Master port
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* @offset: Offset into local configuration space
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* @data: Data to be written
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*
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* Writes 32 bits of data to the specified offset within the local
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* device's configuration space.
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*/
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static inline int rio_local_write_config_32(struct rio_mport *port, u32 offset,
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u32 data)
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{
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return __rio_local_write_config_32(port, offset, data);
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}
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/**
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* rio_local_read_config_16 - Read 16 bits from local configuration space
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* @port: Master port
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* @offset: Offset into local configuration space
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* @data: Pointer to read data into
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*
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* Reads 16 bits of data from the specified offset within the local
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* device's configuration space.
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*/
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static inline int rio_local_read_config_16(struct rio_mport *port, u32 offset,
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u16 * data)
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{
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return __rio_local_read_config_16(port, offset, data);
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}
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/**
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* rio_local_write_config_16 - Write 16 bits to local configuration space
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* @port: Master port
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* @offset: Offset into local configuration space
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* @data: Data to be written
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*
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* Writes 16 bits of data to the specified offset within the local
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* device's configuration space.
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*/
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static inline int rio_local_write_config_16(struct rio_mport *port, u32 offset,
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u16 data)
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{
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return __rio_local_write_config_16(port, offset, data);
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}
|
||||
|
||||
/**
|
||||
* rio_local_read_config_8 - Read 8 bits from local configuration space
|
||||
* @port: Master port
|
||||
* @offset: Offset into local configuration space
|
||||
* @data: Pointer to read data into
|
||||
*
|
||||
* Reads 8 bits of data from the specified offset within the local
|
||||
* device's configuration space.
|
||||
*/
|
||||
static inline int rio_local_read_config_8(struct rio_mport *port, u32 offset,
|
||||
u8 * data)
|
||||
{
|
||||
return __rio_local_read_config_8(port, offset, data);
|
||||
}
|
||||
|
||||
/**
|
||||
* rio_local_write_config_8 - Write 8 bits to local configuration space
|
||||
* @port: Master port
|
||||
* @offset: Offset into local configuration space
|
||||
* @data: Data to be written
|
||||
*
|
||||
* Writes 8 bits of data to the specified offset within the local
|
||||
* device's configuration space.
|
||||
*/
|
||||
static inline int rio_local_write_config_8(struct rio_mport *port, u32 offset,
|
||||
u8 data)
|
||||
{
|
||||
return __rio_local_write_config_8(port, offset, data);
|
||||
}
|
||||
|
||||
/**
|
||||
* rio_read_config_32 - Read 32 bits from configuration space
|
||||
* @rdev: RIO device
|
||||
* @offset: Offset into device configuration space
|
||||
* @data: Pointer to read data into
|
||||
*
|
||||
* Reads 32 bits of data from the specified offset within the
|
||||
* RIO device's configuration space.
|
||||
*/
|
||||
static inline int rio_read_config_32(struct rio_dev *rdev, u32 offset,
|
||||
u32 * data)
|
||||
{
|
||||
u8 hopcount = 0xff;
|
||||
u16 destid = rdev->destid;
|
||||
|
||||
if (rdev->rswitch) {
|
||||
destid = rdev->rswitch->destid;
|
||||
hopcount = rdev->rswitch->hopcount;
|
||||
}
|
||||
|
||||
return rio_mport_read_config_32(rdev->net->hport, destid, hopcount,
|
||||
offset, data);
|
||||
};
|
||||
|
||||
/**
|
||||
* rio_write_config_32 - Write 32 bits to configuration space
|
||||
* @rdev: RIO device
|
||||
* @offset: Offset into device configuration space
|
||||
* @data: Data to be written
|
||||
*
|
||||
* Writes 32 bits of data to the specified offset within the
|
||||
* RIO device's configuration space.
|
||||
*/
|
||||
static inline int rio_write_config_32(struct rio_dev *rdev, u32 offset,
|
||||
u32 data)
|
||||
{
|
||||
u8 hopcount = 0xff;
|
||||
u16 destid = rdev->destid;
|
||||
|
||||
if (rdev->rswitch) {
|
||||
destid = rdev->rswitch->destid;
|
||||
hopcount = rdev->rswitch->hopcount;
|
||||
}
|
||||
|
||||
return rio_mport_write_config_32(rdev->net->hport, destid, hopcount,
|
||||
offset, data);
|
||||
};
|
||||
|
||||
/**
|
||||
* rio_read_config_16 - Read 16 bits from configuration space
|
||||
* @rdev: RIO device
|
||||
* @offset: Offset into device configuration space
|
||||
* @data: Pointer to read data into
|
||||
*
|
||||
* Reads 16 bits of data from the specified offset within the
|
||||
* RIO device's configuration space.
|
||||
*/
|
||||
static inline int rio_read_config_16(struct rio_dev *rdev, u32 offset,
|
||||
u16 * data)
|
||||
{
|
||||
u8 hopcount = 0xff;
|
||||
u16 destid = rdev->destid;
|
||||
|
||||
if (rdev->rswitch) {
|
||||
destid = rdev->rswitch->destid;
|
||||
hopcount = rdev->rswitch->hopcount;
|
||||
}
|
||||
|
||||
return rio_mport_read_config_16(rdev->net->hport, destid, hopcount,
|
||||
offset, data);
|
||||
};
|
||||
|
||||
/**
|
||||
* rio_write_config_16 - Write 16 bits to configuration space
|
||||
* @rdev: RIO device
|
||||
* @offset: Offset into device configuration space
|
||||
* @data: Data to be written
|
||||
*
|
||||
* Writes 16 bits of data to the specified offset within the
|
||||
* RIO device's configuration space.
|
||||
*/
|
||||
static inline int rio_write_config_16(struct rio_dev *rdev, u32 offset,
|
||||
u16 data)
|
||||
{
|
||||
u8 hopcount = 0xff;
|
||||
u16 destid = rdev->destid;
|
||||
|
||||
if (rdev->rswitch) {
|
||||
destid = rdev->rswitch->destid;
|
||||
hopcount = rdev->rswitch->hopcount;
|
||||
}
|
||||
|
||||
return rio_mport_write_config_16(rdev->net->hport, destid, hopcount,
|
||||
offset, data);
|
||||
};
|
||||
|
||||
/**
|
||||
* rio_read_config_8 - Read 8 bits from configuration space
|
||||
* @rdev: RIO device
|
||||
* @offset: Offset into device configuration space
|
||||
* @data: Pointer to read data into
|
||||
*
|
||||
* Reads 8 bits of data from the specified offset within the
|
||||
* RIO device's configuration space.
|
||||
*/
|
||||
static inline int rio_read_config_8(struct rio_dev *rdev, u32 offset, u8 * data)
|
||||
{
|
||||
u8 hopcount = 0xff;
|
||||
u16 destid = rdev->destid;
|
||||
|
||||
if (rdev->rswitch) {
|
||||
destid = rdev->rswitch->destid;
|
||||
hopcount = rdev->rswitch->hopcount;
|
||||
}
|
||||
|
||||
return rio_mport_read_config_8(rdev->net->hport, destid, hopcount,
|
||||
offset, data);
|
||||
};
|
||||
|
||||
/**
|
||||
* rio_write_config_8 - Write 8 bits to configuration space
|
||||
* @rdev: RIO device
|
||||
* @offset: Offset into device configuration space
|
||||
* @data: Data to be written
|
||||
*
|
||||
* Writes 8 bits of data to the specified offset within the
|
||||
* RIO device's configuration space.
|
||||
*/
|
||||
static inline int rio_write_config_8(struct rio_dev *rdev, u32 offset, u8 data)
|
||||
{
|
||||
u8 hopcount = 0xff;
|
||||
u16 destid = rdev->destid;
|
||||
|
||||
if (rdev->rswitch) {
|
||||
destid = rdev->rswitch->destid;
|
||||
hopcount = rdev->rswitch->hopcount;
|
||||
}
|
||||
|
||||
return rio_mport_write_config_8(rdev->net->hport, destid, hopcount,
|
||||
offset, data);
|
||||
};
|
||||
|
||||
extern int rio_mport_send_doorbell(struct rio_mport *mport, u16 destid,
|
||||
u16 data);
|
||||
|
||||
/**
|
||||
* rio_send_doorbell - Send a doorbell message to a device
|
||||
* @rdev: RIO device
|
||||
* @data: Doorbell message data
|
||||
*
|
||||
* Send a doorbell message to a RIO device. The doorbell message
|
||||
* has a 16-bit info field provided by the @data argument.
|
||||
*/
|
||||
static inline int rio_send_doorbell(struct rio_dev *rdev, u16 data)
|
||||
{
|
||||
return rio_mport_send_doorbell(rdev->net->hport, rdev->destid, data);
|
||||
};
|
||||
|
||||
/**
|
||||
* rio_init_mbox_res - Initialize a RIO mailbox resource
|
||||
* @res: resource struct
|
||||
* @start: start of mailbox range
|
||||
* @end: end of mailbox range
|
||||
*
|
||||
* This function is used to initialize the fields of a resource
|
||||
* for use as a mailbox resource. It initializes a range of
|
||||
* mailboxes using the start and end arguments.
|
||||
*/
|
||||
static inline void rio_init_mbox_res(struct resource *res, int start, int end)
|
||||
{
|
||||
memset(res, 0, sizeof(struct resource));
|
||||
res->start = start;
|
||||
res->end = end;
|
||||
res->flags = RIO_RESOURCE_MAILBOX;
|
||||
}
|
||||
|
||||
/**
|
||||
* rio_init_dbell_res - Initialize a RIO doorbell resource
|
||||
* @res: resource struct
|
||||
* @start: start of doorbell range
|
||||
* @end: end of doorbell range
|
||||
*
|
||||
* This function is used to initialize the fields of a resource
|
||||
* for use as a doorbell resource. It initializes a range of
|
||||
* doorbell messages using the start and end arguments.
|
||||
*/
|
||||
static inline void rio_init_dbell_res(struct resource *res, u16 start, u16 end)
|
||||
{
|
||||
memset(res, 0, sizeof(struct resource));
|
||||
res->start = start;
|
||||
res->end = end;
|
||||
res->flags = RIO_RESOURCE_DOORBELL;
|
||||
}
|
||||
|
||||
/**
|
||||
* RIO_DEVICE - macro used to describe a specific RIO device
|
||||
* @vid: the 16 bit RIO vendor ID
|
||||
* @did: the 16 bit RIO device ID
|
||||
*
|
||||
* This macro is used to create a struct rio_device_id that matches a
|
||||
* specific device. The assembly vendor and assembly device fields
|
||||
* will be set to %RIO_ANY_ID.
|
||||
*/
|
||||
#define RIO_DEVICE(dev,ven) \
|
||||
.did = (dev), .vid = (ven), \
|
||||
.asm_did = RIO_ANY_ID, .asm_vid = RIO_ANY_ID
|
||||
|
||||
/* Mailbox management */
|
||||
extern int rio_request_outb_mbox(struct rio_mport *, int, int,
|
||||
void (*)(struct rio_mport *, int, int));
|
||||
extern int rio_release_outb_mbox(struct rio_mport *, int);
|
||||
|
||||
/**
|
||||
* rio_add_outb_message - Add RIO message to an outbound mailbox queue
|
||||
* @mport: RIO master port containing the outbound queue
|
||||
* @rdev: RIO device the message is be sent to
|
||||
* @mbox: The outbound mailbox queue
|
||||
* @buffer: Pointer to the message buffer
|
||||
* @len: Length of the message buffer
|
||||
*
|
||||
* Adds a RIO message buffer to an outbound mailbox queue for
|
||||
* transmission. Returns 0 on success.
|
||||
*/
|
||||
static inline int rio_add_outb_message(struct rio_mport *mport,
|
||||
struct rio_dev *rdev, int mbox,
|
||||
void *buffer, size_t len)
|
||||
{
|
||||
return rio_hw_add_outb_message(mport, rdev, mbox, buffer, len);
|
||||
}
|
||||
|
||||
extern int rio_request_inb_mbox(struct rio_mport *, int, int,
|
||||
void (*)(struct rio_mport *, int, int));
|
||||
extern int rio_release_inb_mbox(struct rio_mport *, int);
|
||||
|
||||
/**
|
||||
* rio_add_inb_buffer - Add buffer to an inbound mailbox queue
|
||||
* @mport: Master port containing the inbound mailbox
|
||||
* @mbox: The inbound mailbox number
|
||||
* @buffer: Pointer to the message buffer
|
||||
*
|
||||
* Adds a buffer to an inbound mailbox queue for reception. Returns
|
||||
* 0 on success.
|
||||
*/
|
||||
static inline int rio_add_inb_buffer(struct rio_mport *mport, int mbox,
|
||||
void *buffer)
|
||||
{
|
||||
return rio_hw_add_inb_buffer(mport, mbox, buffer);
|
||||
}
|
||||
|
||||
/**
|
||||
* rio_get_inb_message - Get A RIO message from an inbound mailbox queue
|
||||
* @mport: Master port containing the inbound mailbox
|
||||
* @mbox: The inbound mailbox number
|
||||
* @buffer: Pointer to the message buffer
|
||||
*
|
||||
* Get a RIO message from an inbound mailbox queue. Returns 0 on success.
|
||||
*/
|
||||
static inline void *rio_get_inb_message(struct rio_mport *mport, int mbox)
|
||||
{
|
||||
return rio_hw_get_inb_message(mport, mbox);
|
||||
}
|
||||
|
||||
/* Doorbell management */
|
||||
extern int rio_request_inb_dbell(struct rio_mport *, u16, u16,
|
||||
void (*)(struct rio_mport *, u16, u16, u16));
|
||||
extern int rio_release_inb_dbell(struct rio_mport *, u16, u16);
|
||||
extern struct resource *rio_request_outb_dbell(struct rio_dev *, u16, u16);
|
||||
extern int rio_release_outb_dbell(struct rio_dev *, struct resource *);
|
||||
|
||||
/* Memory region management */
|
||||
int rio_claim_resource(struct rio_dev *, int);
|
||||
int rio_request_regions(struct rio_dev *, char *);
|
||||
void rio_release_regions(struct rio_dev *);
|
||||
int rio_request_region(struct rio_dev *, int, char *);
|
||||
void rio_release_region(struct rio_dev *, int);
|
||||
|
||||
/* LDM support */
|
||||
int rio_register_driver(struct rio_driver *);
|
||||
void rio_unregister_driver(struct rio_driver *);
|
||||
struct rio_dev *rio_dev_get(struct rio_dev *);
|
||||
void rio_dev_put(struct rio_dev *);
|
||||
|
||||
/**
|
||||
* rio_name - Get the unique RIO device identifier
|
||||
* @rdev: RIO device
|
||||
*
|
||||
* Get the unique RIO device identifier. Returns the device
|
||||
* identifier string.
|
||||
*/
|
||||
static inline char *rio_name(struct rio_dev *rdev)
|
||||
{
|
||||
return rdev->dev.bus_id;
|
||||
}
|
||||
|
||||
/**
|
||||
* rio_get_drvdata - Get RIO driver specific data
|
||||
* @rdev: RIO device
|
||||
*
|
||||
* Get RIO driver specific data. Returns a pointer to the
|
||||
* driver specific data.
|
||||
*/
|
||||
static inline void *rio_get_drvdata(struct rio_dev *rdev)
|
||||
{
|
||||
return dev_get_drvdata(&rdev->dev);
|
||||
}
|
||||
|
||||
/**
|
||||
* rio_set_drvdata - Set RIO driver specific data
|
||||
* @rdev: RIO device
|
||||
* @data: Pointer to driver specific data
|
||||
*
|
||||
* Set RIO driver specific data. device struct driver data pointer
|
||||
* is set to the @data argument.
|
||||
*/
|
||||
static inline void rio_set_drvdata(struct rio_dev *rdev, void *data)
|
||||
{
|
||||
dev_set_drvdata(&rdev->dev, data);
|
||||
}
|
||||
|
||||
/* Misc driver helpers */
|
||||
extern u16 rio_local_get_device_id(struct rio_mport *port);
|
||||
extern struct rio_dev *rio_get_device(u16 vid, u16 did, struct rio_dev *from);
|
||||
extern struct rio_dev *rio_get_asm(u16 vid, u16 did, u16 asm_vid, u16 asm_did,
|
||||
struct rio_dev *from);
|
||||
|
||||
#endif /* __KERNEL__ */
|
||||
#endif /* LINUX_RIO_DRV_H */
|
||||
24
include/linux/rio_ids.h
Normal file
24
include/linux/rio_ids.h
Normal file
@ -0,0 +1,24 @@
|
||||
/*
|
||||
* RapidIO devices
|
||||
*
|
||||
* 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_IDS_H
|
||||
#define LINUX_RIO_IDS_H
|
||||
|
||||
#define RIO_ANY_ID 0xffff
|
||||
|
||||
#define RIO_VID_FREESCALE 0x0002
|
||||
#define RIO_DID_MPC8560 0x0003
|
||||
|
||||
#define RIO_VID_TUNDRA 0x000d
|
||||
#define RIO_DID_TSI500 0x0500
|
||||
|
||||
#endif /* LINUX_RIO_IDS_H */
|
||||
202
include/linux/rio_regs.h
Normal file
202
include/linux/rio_regs.h
Normal file
@ -0,0 +1,202 @@
|
||||
/*
|
||||
* RapidIO register definitions
|
||||
*
|
||||
* 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_REGS_H
|
||||
#define LINUX_RIO_REGS_H
|
||||
|
||||
/*
|
||||
* In RapidIO, each device has a 2MB configuration space that is
|
||||
* accessed via maintenance transactions. Portions of configuration
|
||||
* space are standardized and/or reserved.
|
||||
*/
|
||||
#define RIO_DEV_ID_CAR 0x00 /* [I] Device Identity CAR */
|
||||
#define RIO_DEV_INFO_CAR 0x04 /* [I] Device Information CAR */
|
||||
#define RIO_ASM_ID_CAR 0x08 /* [I] Assembly Identity CAR */
|
||||
#define RIO_ASM_ID_MASK 0xffff0000 /* [I] Asm ID Mask */
|
||||
#define RIO_ASM_VEN_ID_MASK 0x0000ffff /* [I] Asm Vend Mask */
|
||||
|
||||
#define RIO_ASM_INFO_CAR 0x0c /* [I] Assembly Information CAR */
|
||||
#define RIO_ASM_REV_MASK 0xffff0000 /* [I] Asm Rev Mask */
|
||||
#define RIO_EXT_FTR_PTR_MASK 0x0000ffff /* [I] EF_PTR Mask */
|
||||
|
||||
#define RIO_PEF_CAR 0x10 /* [I] Processing Element Features CAR */
|
||||
#define RIO_PEF_BRIDGE 0x80000000 /* [I] Bridge */
|
||||
#define RIO_PEF_MEMORY 0x40000000 /* [I] MMIO */
|
||||
#define RIO_PEF_PROCESSOR 0x20000000 /* [I] Processor */
|
||||
#define RIO_PEF_SWITCH 0x10000000 /* [I] Switch */
|
||||
#define RIO_PEF_INB_MBOX 0x00f00000 /* [II] Mailboxes */
|
||||
#define RIO_PEF_INB_MBOX0 0x00800000 /* [II] Mailbox 0 */
|
||||
#define RIO_PEF_INB_MBOX1 0x00400000 /* [II] Mailbox 1 */
|
||||
#define RIO_PEF_INB_MBOX2 0x00200000 /* [II] Mailbox 2 */
|
||||
#define RIO_PEF_INB_MBOX3 0x00100000 /* [II] Mailbox 3 */
|
||||
#define RIO_PEF_INB_DOORBELL 0x00080000 /* [II] Doorbells */
|
||||
#define RIO_PEF_CTLS 0x00000010 /* [III] CTLS */
|
||||
#define RIO_PEF_EXT_FEATURES 0x00000008 /* [I] EFT_PTR valid */
|
||||
#define RIO_PEF_ADDR_66 0x00000004 /* [I] 66 bits */
|
||||
#define RIO_PEF_ADDR_50 0x00000002 /* [I] 50 bits */
|
||||
#define RIO_PEF_ADDR_34 0x00000001 /* [I] 34 bits */
|
||||
|
||||
#define RIO_SWP_INFO_CAR 0x14 /* [I] Switch Port Information CAR */
|
||||
#define RIO_SWP_INFO_PORT_TOTAL_MASK 0x0000ff00 /* [I] Total number of ports */
|
||||
#define RIO_SWP_INFO_PORT_NUM_MASK 0x000000ff /* [I] Maintenance transaction port number */
|
||||
#define RIO_GET_TOTAL_PORTS(x) ((x & RIO_SWP_INFO_PORT_TOTAL_MASK) >> 8)
|
||||
|
||||
#define RIO_SRC_OPS_CAR 0x18 /* [I] Source Operations CAR */
|
||||
#define RIO_SRC_OPS_READ 0x00008000 /* [I] Read op */
|
||||
#define RIO_SRC_OPS_WRITE 0x00004000 /* [I] Write op */
|
||||
#define RIO_SRC_OPS_STREAM_WRITE 0x00002000 /* [I] Str-write op */
|
||||
#define RIO_SRC_OPS_WRITE_RESPONSE 0x00001000 /* [I] Write/resp op */
|
||||
#define RIO_SRC_OPS_DATA_MSG 0x00000800 /* [II] Data msg op */
|
||||
#define RIO_SRC_OPS_DOORBELL 0x00000400 /* [II] Doorbell op */
|
||||
#define RIO_SRC_OPS_ATOMIC_TST_SWP 0x00000100 /* [I] Atomic TAS op */
|
||||
#define RIO_SRC_OPS_ATOMIC_INC 0x00000080 /* [I] Atomic inc op */
|
||||
#define RIO_SRC_OPS_ATOMIC_DEC 0x00000040 /* [I] Atomic dec op */
|
||||
#define RIO_SRC_OPS_ATOMIC_SET 0x00000020 /* [I] Atomic set op */
|
||||
#define RIO_SRC_OPS_ATOMIC_CLR 0x00000010 /* [I] Atomic clr op */
|
||||
#define RIO_SRC_OPS_PORT_WRITE 0x00000004 /* [I] Port-write op */
|
||||
|
||||
#define RIO_DST_OPS_CAR 0x1c /* Destination Operations CAR */
|
||||
#define RIO_DST_OPS_READ 0x00008000 /* [I] Read op */
|
||||
#define RIO_DST_OPS_WRITE 0x00004000 /* [I] Write op */
|
||||
#define RIO_DST_OPS_STREAM_WRITE 0x00002000 /* [I] Str-write op */
|
||||
#define RIO_DST_OPS_WRITE_RESPONSE 0x00001000 /* [I] Write/resp op */
|
||||
#define RIO_DST_OPS_DATA_MSG 0x00000800 /* [II] Data msg op */
|
||||
#define RIO_DST_OPS_DOORBELL 0x00000400 /* [II] Doorbell op */
|
||||
#define RIO_DST_OPS_ATOMIC_TST_SWP 0x00000100 /* [I] Atomic TAS op */
|
||||
#define RIO_DST_OPS_ATOMIC_INC 0x00000080 /* [I] Atomic inc op */
|
||||
#define RIO_DST_OPS_ATOMIC_DEC 0x00000040 /* [I] Atomic dec op */
|
||||
#define RIO_DST_OPS_ATOMIC_SET 0x00000020 /* [I] Atomic set op */
|
||||
#define RIO_DST_OPS_ATOMIC_CLR 0x00000010 /* [I] Atomic clr op */
|
||||
#define RIO_DST_OPS_PORT_WRITE 0x00000004 /* [I] Port-write op */
|
||||
|
||||
/* 0x20-0x3c *//* Reserved */
|
||||
|
||||
#define RIO_MBOX_CSR 0x40 /* [II] Mailbox CSR */
|
||||
#define RIO_MBOX0_AVAIL 0x80000000 /* [II] Mbox 0 avail */
|
||||
#define RIO_MBOX0_FULL 0x40000000 /* [II] Mbox 0 full */
|
||||
#define RIO_MBOX0_EMPTY 0x20000000 /* [II] Mbox 0 empty */
|
||||
#define RIO_MBOX0_BUSY 0x10000000 /* [II] Mbox 0 busy */
|
||||
#define RIO_MBOX0_FAIL 0x08000000 /* [II] Mbox 0 fail */
|
||||
#define RIO_MBOX0_ERROR 0x04000000 /* [II] Mbox 0 error */
|
||||
#define RIO_MBOX1_AVAIL 0x00800000 /* [II] Mbox 1 avail */
|
||||
#define RIO_MBOX1_FULL 0x00200000 /* [II] Mbox 1 full */
|
||||
#define RIO_MBOX1_EMPTY 0x00200000 /* [II] Mbox 1 empty */
|
||||
#define RIO_MBOX1_BUSY 0x00100000 /* [II] Mbox 1 busy */
|
||||
#define RIO_MBOX1_FAIL 0x00080000 /* [II] Mbox 1 fail */
|
||||
#define RIO_MBOX1_ERROR 0x00040000 /* [II] Mbox 1 error */
|
||||
#define RIO_MBOX2_AVAIL 0x00008000 /* [II] Mbox 2 avail */
|
||||
#define RIO_MBOX2_FULL 0x00004000 /* [II] Mbox 2 full */
|
||||
#define RIO_MBOX2_EMPTY 0x00002000 /* [II] Mbox 2 empty */
|
||||
#define RIO_MBOX2_BUSY 0x00001000 /* [II] Mbox 2 busy */
|
||||
#define RIO_MBOX2_FAIL 0x00000800 /* [II] Mbox 2 fail */
|
||||
#define RIO_MBOX2_ERROR 0x00000400 /* [II] Mbox 2 error */
|
||||
#define RIO_MBOX3_AVAIL 0x00000080 /* [II] Mbox 3 avail */
|
||||
#define RIO_MBOX3_FULL 0x00000040 /* [II] Mbox 3 full */
|
||||
#define RIO_MBOX3_EMPTY 0x00000020 /* [II] Mbox 3 empty */
|
||||
#define RIO_MBOX3_BUSY 0x00000010 /* [II] Mbox 3 busy */
|
||||
#define RIO_MBOX3_FAIL 0x00000008 /* [II] Mbox 3 fail */
|
||||
#define RIO_MBOX3_ERROR 0x00000004 /* [II] Mbox 3 error */
|
||||
|
||||
#define RIO_WRITE_PORT_CSR 0x44 /* [I] Write Port CSR */
|
||||
#define RIO_DOORBELL_CSR 0x44 /* [II] Doorbell CSR */
|
||||
#define RIO_DOORBELL_AVAIL 0x80000000 /* [II] Doorbell avail */
|
||||
#define RIO_DOORBELL_FULL 0x40000000 /* [II] Doorbell full */
|
||||
#define RIO_DOORBELL_EMPTY 0x20000000 /* [II] Doorbell empty */
|
||||
#define RIO_DOORBELL_BUSY 0x10000000 /* [II] Doorbell busy */
|
||||
#define RIO_DOORBELL_FAILED 0x08000000 /* [II] Doorbell failed */
|
||||
#define RIO_DOORBELL_ERROR 0x04000000 /* [II] Doorbell error */
|
||||
#define RIO_WRITE_PORT_AVAILABLE 0x00000080 /* [I] Write Port Available */
|
||||
#define RIO_WRITE_PORT_FULL 0x00000040 /* [I] Write Port Full */
|
||||
#define RIO_WRITE_PORT_EMPTY 0x00000020 /* [I] Write Port Empty */
|
||||
#define RIO_WRITE_PORT_BUSY 0x00000010 /* [I] Write Port Busy */
|
||||
#define RIO_WRITE_PORT_FAILED 0x00000008 /* [I] Write Port Failed */
|
||||
#define RIO_WRITE_PORT_ERROR 0x00000004 /* [I] Write Port Error */
|
||||
|
||||
/* 0x48 *//* Reserved */
|
||||
|
||||
#define RIO_PELL_CTRL_CSR 0x4c /* [I] PE Logical Layer Control CSR */
|
||||
#define RIO_PELL_ADDR_66 0x00000004 /* [I] 66-bit addr */
|
||||
#define RIO_PELL_ADDR_50 0x00000002 /* [I] 50-bit addr */
|
||||
#define RIO_PELL_ADDR_34 0x00000001 /* [I] 34-bit addr */
|
||||
|
||||
/* 0x50-0x54 *//* Reserved */
|
||||
|
||||
#define RIO_LCSH_BA 0x58 /* [I] LCS High Base Address */
|
||||
#define RIO_LCSL_BA 0x5c /* [I] LCS Base Address */
|
||||
|
||||
#define RIO_DID_CSR 0x60 /* [III] Base Device ID CSR */
|
||||
|
||||
/* 0x64 *//* Reserved */
|
||||
|
||||
#define RIO_HOST_DID_LOCK_CSR 0x68 /* [III] Host Base Device ID Lock CSR */
|
||||
#define RIO_COMPONENT_TAG_CSR 0x6c /* [III] Component Tag CSR */
|
||||
|
||||
/* 0x70-0xf8 *//* Reserved */
|
||||
/* 0x100-0xfff8 *//* [I] Extended Features Space */
|
||||
/* 0x10000-0xfffff8 *//* [I] Implementation-defined Space */
|
||||
|
||||
/*
|
||||
* Extended Features Space is a configuration space area where
|
||||
* functionality is mapped into extended feature blocks via a
|
||||
* singly linked list of extended feature pointers (EFT_PTR).
|
||||
*
|
||||
* Each extended feature block can be identified/located in
|
||||
* Extended Features Space by walking the extended feature
|
||||
* list starting with the Extended Feature Pointer located
|
||||
* in the Assembly Information CAR.
|
||||
*
|
||||
* Extended Feature Blocks (EFBs) are identified with an assigned
|
||||
* EFB ID. Extended feature block offsets in the definitions are
|
||||
* relative to the offset of the EFB within the Extended Features
|
||||
* Space.
|
||||
*/
|
||||
|
||||
/* Helper macros to parse the Extended Feature Block header */
|
||||
#define RIO_EFB_PTR_MASK 0xffff0000
|
||||
#define RIO_EFB_ID_MASK 0x0000ffff
|
||||
#define RIO_GET_BLOCK_PTR(x) ((x & RIO_EFB_PTR_MASK) >> 16)
|
||||
#define RIO_GET_BLOCK_ID(x) (x & RIO_EFB_ID_MASK)
|
||||
|
||||
/* Extended Feature Block IDs */
|
||||
#define RIO_EFB_PAR_EP_ID 0x0001 /* [IV] LP/LVDS EP Devices */
|
||||
#define RIO_EFB_PAR_EP_REC_ID 0x0002 /* [IV] LP/LVDS EP Recovery Devices */
|
||||
#define RIO_EFB_PAR_EP_FREE_ID 0x0003 /* [IV] LP/LVDS EP Free Devices */
|
||||
#define RIO_EFB_SER_EP_ID 0x0004 /* [VI] LP/Serial EP Devices */
|
||||
#define RIO_EFB_SER_EP_REC_ID 0x0005 /* [VI] LP/Serial EP Recovery Devices */
|
||||
#define RIO_EFB_SER_EP_FREE_ID 0x0006 /* [VI] LP/Serial EP Free Devices */
|
||||
|
||||
/*
|
||||
* Physical 8/16 LP-LVDS
|
||||
* ID=0x0001, Generic End Point Devices
|
||||
* ID=0x0002, Generic End Point Devices, software assisted recovery option
|
||||
* ID=0x0003, Generic End Point Free Devices
|
||||
*
|
||||
* Physical LP-Serial
|
||||
* ID=0x0004, Generic End Point Devices
|
||||
* ID=0x0005, Generic End Point Devices, software assisted recovery option
|
||||
* ID=0x0006, Generic End Point Free Devices
|
||||
*/
|
||||
#define RIO_PORT_MNT_HEADER 0x0000
|
||||
#define RIO_PORT_REQ_CTL_CSR 0x0020
|
||||
#define RIO_PORT_RSP_CTL_CSR 0x0024 /* 0x0001/0x0002 */
|
||||
#define RIO_PORT_GEN_CTL_CSR 0x003c
|
||||
#define RIO_PORT_GEN_HOST 0x80000000
|
||||
#define RIO_PORT_GEN_MASTER 0x40000000
|
||||
#define RIO_PORT_GEN_DISCOVERED 0x20000000
|
||||
#define RIO_PORT_N_MNT_REQ_CSR(x) (0x0040 + x*0x20) /* 0x0002 */
|
||||
#define RIO_PORT_N_MNT_RSP_CSR(x) (0x0044 + x*0x20) /* 0x0002 */
|
||||
#define RIO_PORT_N_ACK_STS_CSR(x) (0x0048 + x*0x20) /* 0x0002 */
|
||||
#define RIO_PORT_N_ERR_STS_CSR(x) (0x58 + x*0x20)
|
||||
#define PORT_N_ERR_STS_PORT_OK 0x00000002
|
||||
#define RIO_PORT_N_CTL_CSR(x) (0x5c + x*0x20)
|
||||
|
||||
#endif /* LINUX_RIO_REGS_H */
|
||||
Loading…
Reference in New Issue
Block a user