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Diffstat (limited to 'drivers/ieee1394/nodemgr.h')
| -rw-r--r-- | drivers/ieee1394/nodemgr.h | 207 |
1 files changed, 0 insertions, 207 deletions
diff --git a/drivers/ieee1394/nodemgr.h b/drivers/ieee1394/nodemgr.h deleted file mode 100644 index 3a2f0c02fd0..00000000000 --- a/drivers/ieee1394/nodemgr.h +++ /dev/null @@ -1,207 +0,0 @@ -/* - * Copyright (C) 2000 Andreas E. Bombe - * 2001 Ben Collins <bcollins@debian.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. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#ifndef _IEEE1394_NODEMGR_H -#define _IEEE1394_NODEMGR_H - -#include <linux/device.h> -#include "csr1212.h" -#include "ieee1394_core.h" -#include "ieee1394_hotplug.h" - -/* '1' '3' '9' '4' in ASCII */ -#define IEEE1394_BUSID_MAGIC __constant_cpu_to_be32(0x31333934) - -/* This is the start of a Node entry structure. It should be a stable API - * for which to gather info from the Node Manager about devices attached - * to the bus. */ -struct bus_options { - u8 irmc; /* Iso Resource Manager Capable */ - u8 cmc; /* Cycle Master Capable */ - u8 isc; /* Iso Capable */ - u8 bmc; /* Bus Master Capable */ - u8 pmc; /* Power Manager Capable (PNP spec) */ - u8 cyc_clk_acc; /* Cycle clock accuracy */ - u8 max_rom; /* Maximum block read supported in the CSR */ - u8 generation; /* Incremented when configrom changes */ - u8 lnkspd; /* Link speed */ - u16 max_rec; /* Maximum packet size node can receive */ -}; - - -#define UNIT_DIRECTORY_VENDOR_ID 0x01 -#define UNIT_DIRECTORY_MODEL_ID 0x02 -#define UNIT_DIRECTORY_SPECIFIER_ID 0x04 -#define UNIT_DIRECTORY_VERSION 0x08 -#define UNIT_DIRECTORY_HAS_LUN_DIRECTORY 0x10 -#define UNIT_DIRECTORY_LUN_DIRECTORY 0x20 -#define UNIT_DIRECTORY_HAS_LUN 0x40 - -/* - * A unit directory corresponds to a protocol supported by the - * node. If a node supports eg. IP/1394 and AV/C, its config rom has a - * unit directory for each of these protocols. - */ -struct unit_directory { - struct node_entry *ne; /* The node which this directory belongs to */ - octlet_t address; /* Address of the unit directory on the node */ - u8 flags; /* Indicates which entries were read */ - - quadlet_t vendor_id; - struct csr1212_keyval *vendor_name_kv; - const char *vendor_oui; - - quadlet_t model_id; - struct csr1212_keyval *model_name_kv; - quadlet_t specifier_id; - quadlet_t version; - - unsigned int id; - - int ignore_driver; - - int length; /* Number of quadlets */ - - struct device device; - - struct class_device class_dev; - - struct csr1212_keyval *ud_kv; - u32 lun; /* logical unit number immediate value */ -}; - -struct node_entry { - u64 guid; /* GUID of this node */ - u32 guid_vendor_id; /* Top 24bits of guid */ - const char *guid_vendor_oui; /* OUI name of guid vendor id */ - - struct hpsb_host *host; /* Host this node is attached to */ - nodeid_t nodeid; /* NodeID */ - struct bus_options busopt; /* Bus Options */ - int needs_probe; - unsigned int generation; /* Synced with hpsb generation */ - - /* The following is read from the config rom */ - u32 vendor_id; - struct csr1212_keyval *vendor_name_kv; - const char *vendor_oui; - - u32 capabilities; - struct hpsb_tlabel_pool *tpool; - - struct device device; - - struct class_device class_dev; - - /* Means this node is not attached anymore */ - int in_limbo; - - struct csr1212_csr *csr; -}; - -struct hpsb_protocol_driver { - /* The name of the driver, e.g. SBP2 or IP1394 */ - const char *name; - - /* - * The device id table describing the protocols and/or devices - * supported by this driver. This is used by the nodemgr to - * decide if a driver could support a given node, but the - * probe function below can implement further protocol - * dependent or vendor dependent checking. - */ - struct ieee1394_device_id *id_table; - - /* - * The update function is called when the node has just - * survived a bus reset, i.e. it is still present on the bus. - * However, it may be necessary to reestablish the connection - * or login into the node again, depending on the protocol. If the - * probe fails (returns non-zero), we unbind the driver from this - * device. - */ - int (*update)(struct unit_directory *ud); - - /* Our LDM structure */ - struct device_driver driver; -}; - -int hpsb_register_protocol(struct hpsb_protocol_driver *driver); -void hpsb_unregister_protocol(struct hpsb_protocol_driver *driver); - -static inline int hpsb_node_entry_valid(struct node_entry *ne) -{ - return ne->generation == get_hpsb_generation(ne->host); -} - -/* - * Returns a node entry (which has its reference count incremented) or NULL if - * the GUID in question is not known. Getting a valid entry does not mean that - * the node with this GUID is currently accessible (might be powered down). - */ -struct node_entry *hpsb_guid_get_entry(u64 guid); - -/* Same as above, but use the nodeid to get an node entry. This is not - * fool-proof by itself, since the nodeid can change. */ -struct node_entry *hpsb_nodeid_get_entry(struct hpsb_host *host, nodeid_t nodeid); - -/* - * If the entry refers to a local host, this function will return the pointer - * to the hpsb_host structure. It will return NULL otherwise. Once you have - * established it is a local host, you can use that knowledge from then on (the - * GUID won't wander to an external node). */ -struct hpsb_host *hpsb_get_host_by_ne(struct node_entry *ne); - -/* - * This will fill in the given, pre-initialised hpsb_packet with the current - * information from the node entry (host, node ID, generation number). It will - * return false if the node owning the GUID is not accessible (and not modify the - * hpsb_packet) and return true otherwise. - * - * Note that packet sending may still fail in hpsb_send_packet if a bus reset - * happens while you are trying to set up the packet (due to obsolete generation - * number). It will at least reliably fail so that you don't accidentally and - * unknowingly send your packet to the wrong node. - */ -void hpsb_node_fill_packet(struct node_entry *ne, struct hpsb_packet *pkt); - -int hpsb_node_read(struct node_entry *ne, u64 addr, - quadlet_t *buffer, size_t length); -int hpsb_node_write(struct node_entry *ne, u64 addr, - quadlet_t *buffer, size_t length); -int hpsb_node_lock(struct node_entry *ne, u64 addr, - int extcode, quadlet_t *data, quadlet_t arg); - - -/* Iterate the hosts, calling a given function with supplied data for each - * host. */ -int nodemgr_for_each_host(void *__data, int (*cb)(struct hpsb_host *, void *)); - - -int init_ieee1394_nodemgr(void); -void cleanup_ieee1394_nodemgr(void); - - -/* The template for a host device */ -extern struct device nodemgr_dev_template_host; - -/* Bus attributes we export */ -extern struct bus_attribute *const fw_bus_attrs[]; - -#endif /* _IEEE1394_NODEMGR_H */ |