static int rio_sport_phys_table[] = {
RIO_EFB_PAR_EP_FREE_ID,
RIO_EFB_SER_EP_FREE_ID,
+ RIO_EFB_SER_EP_FREC_ID,
-1,
};
rio_mport_read_config_32(port, destid, hopcount, RIO_DID_CSR, &result);
- return RIO_GET_DID(result);
+ return RIO_GET_DID(port->sys_size, result);
}
/**
static void rio_set_device_id(struct rio_mport *port, u16 destid, u8 hopcount, u16 did)
{
rio_mport_write_config_32(port, destid, hopcount, RIO_DID_CSR,
- RIO_SET_DID(did));
+ RIO_SET_DID(port->sys_size, did));
}
/**
*/
static void rio_local_set_device_id(struct rio_mport *port, u16 did)
{
- rio_local_write_config_32(port, RIO_DID_CSR, RIO_SET_DID(did));
+ rio_local_write_config_32(port, RIO_DID_CSR, RIO_SET_DID(port->sys_size,
+ did));
}
/**
pr_debug("RIO: adding routing ops for %s\n", rio_name(rdev));
rdev->rswitch->add_entry = cur->add_hook;
rdev->rswitch->get_entry = cur->get_hook;
+ rdev->rswitch->clr_table = cur->clr_hook;
+ break;
}
cur++;
}
+ if ((cur >= end) && (rdev->pef & RIO_PEF_STD_RT)) {
+ pr_debug("RIO: adding STD routing ops for %s\n",
+ rio_name(rdev));
+ rdev->rswitch->add_entry = rio_std_route_add_entry;
+ rdev->rswitch->get_entry = rio_std_route_get_entry;
+ rdev->rswitch->clr_table = rio_std_route_clr_table;
+ }
+
if (!rdev->rswitch->add_entry || !rdev->rswitch->get_entry)
printk(KERN_ERR "RIO: missing routing ops for %s\n",
rio_name(rdev));
* device to the RIO device list. Creates the generic sysfs nodes
* for an RIO device.
*/
-static void __devinit rio_add_device(struct rio_dev *rdev)
+static int __devinit rio_add_device(struct rio_dev *rdev)
{
- device_add(&rdev->dev);
+ int err;
+
+ err = device_add(&rdev->dev);
+ if (err)
+ return err;
spin_lock(&rio_global_list_lock);
list_add_tail(&rdev->global_list, &rio_devices);
spin_unlock(&rio_global_list_lock);
rio_create_sysfs_dev_files(rdev);
+
+ return 0;
}
/**
* to a RIO device on success or NULL on failure.
*
*/
-static struct rio_dev *rio_setup_device(struct rio_net *net,
+static struct rio_dev __devinit *rio_setup_device(struct rio_net *net,
struct rio_mport *port, u16 destid,
u8 hopcount, int do_enum)
{
+ int ret = 0;
struct rio_dev *rdev;
- struct rio_switch *rswitch;
+ struct rio_switch *rswitch = NULL;
int result, rdid;
- rdev = kmalloc(sizeof(struct rio_dev), GFP_KERNEL);
+ rdev = kzalloc(sizeof(struct rio_dev), GFP_KERNEL);
if (!rdev)
- goto out;
+ return NULL;
- memset(rdev, 0, sizeof(struct rio_dev));
rdev->net = net;
rio_mport_read_config_32(port, destid, hopcount, RIO_DEV_ID_CAR,
&result);
rio_mport_read_config_32(port, destid, hopcount, RIO_DST_OPS_CAR,
&rdev->dst_ops);
- if (rio_device_has_destid(port, rdev->src_ops, rdev->dst_ops)
- && do_enum) {
- rio_set_device_id(port, destid, hopcount, next_destid);
- rdev->destid = next_destid++;
- if (next_destid == port->host_deviceid)
- next_destid++;
+ if (rio_device_has_destid(port, rdev->src_ops, rdev->dst_ops)) {
+ if (do_enum) {
+ rio_set_device_id(port, destid, hopcount, next_destid);
+ rdev->destid = next_destid++;
+ if (next_destid == port->host_deviceid)
+ next_destid++;
+ } else
+ rdev->destid = rio_get_device_id(port, destid, hopcount);
} else
- rdev->destid = rio_get_device_id(port, destid, hopcount);
+ /* Switch device has an associated destID */
+ rdev->destid = RIO_INVALID_DESTID;
/* If a PE has both switch and other functions, show it as a switch */
if (rio_is_switch(rdev)) {
rio_mport_read_config_32(port, destid, hopcount,
RIO_SWP_INFO_CAR, &rdev->swpinfo);
- rswitch = kmalloc(sizeof(struct rio_switch), GFP_KERNEL);
- if (!rswitch) {
- kfree(rdev);
- rdev = NULL;
- goto out;
- }
+ rswitch = kzalloc(sizeof(struct rio_switch), GFP_KERNEL);
+ if (!rswitch)
+ goto cleanup;
rswitch->switchid = next_switchid;
rswitch->hopcount = hopcount;
- rswitch->destid = 0xffff;
+ rswitch->destid = destid;
+ rswitch->route_table = kzalloc(sizeof(u8)*
+ RIO_MAX_ROUTE_ENTRIES(port->sys_size),
+ GFP_KERNEL);
+ if (!rswitch->route_table)
+ goto cleanup;
/* Initialize switch route table */
- for (rdid = 0; rdid < RIO_MAX_ROUTE_ENTRIES; rdid++)
+ for (rdid = 0; rdid < RIO_MAX_ROUTE_ENTRIES(port->sys_size);
+ rdid++)
rswitch->route_table[rdid] = RIO_INVALID_ROUTE;
rdev->rswitch = rswitch;
- sprintf(rio_name(rdev), "%02x:s:%04x", rdev->net->id,
- rdev->rswitch->switchid);
+ dev_set_name(&rdev->dev, "%02x:s:%04x", rdev->net->id,
+ rdev->rswitch->switchid);
rio_route_set_ops(rdev);
+ if (do_enum && rdev->rswitch->clr_table)
+ rdev->rswitch->clr_table(port, destid, hopcount,
+ RIO_GLOBAL_TABLE);
+
list_add_tail(&rswitch->node, &rio_switches);
} else
- sprintf(rio_name(rdev), "%02x:e:%04x", rdev->net->id,
- rdev->destid);
+ dev_set_name(&rdev->dev, "%02x:e:%04x", rdev->net->id,
+ rdev->destid);
rdev->dev.bus = &rio_bus_type;
rdev->dev.release = rio_release_dev;
rio_dev_get(rdev);
- rdev->dma_mask = DMA_32BIT_MASK;
+ rdev->dma_mask = DMA_BIT_MASK(32);
rdev->dev.dma_mask = &rdev->dma_mask;
- rdev->dev.coherent_dma_mask = DMA_32BIT_MASK;
+ rdev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
if ((rdev->pef & RIO_PEF_INB_DOORBELL) &&
(rdev->dst_ops & RIO_DST_OPS_DOORBELL))
rio_init_dbell_res(&rdev->riores[RIO_DOORBELL_RESOURCE],
0, 0xffff);
- rio_add_device(rdev);
+ ret = rio_add_device(rdev);
+ if (ret)
+ goto cleanup;
- out:
return rdev;
+
+cleanup:
+ if (rswitch) {
+ kfree(rswitch->route_table);
+ kfree(rswitch);
+ }
+ kfree(rdev);
+ return NULL;
}
/**
/**
* rio_route_add_entry- Add a route entry to a switch routing table
* @mport: Master port to send transaction
- * @rdev: Switch device
+ * @rswitch: Switch device
* @table: Routing table ID
* @route_destid: Destination ID to be routed
* @route_port: Port number to be routed
* %RIO_GLOBAL_TABLE in @table. Returns %0 on success or %-EINVAL
* on failure.
*/
-static int rio_route_add_entry(struct rio_mport *mport, struct rio_dev *rdev,
+static int rio_route_add_entry(struct rio_mport *mport, struct rio_switch *rswitch,
u16 table, u16 route_destid, u8 route_port)
{
- return rdev->rswitch->add_entry(mport, rdev->rswitch->destid,
- rdev->rswitch->hopcount, table,
+ return rswitch->add_entry(mport, rswitch->destid,
+ rswitch->hopcount, table,
route_destid, route_port);
}
/**
* rio_route_get_entry- Read a route entry in a switch routing table
* @mport: Master port to send transaction
- * @rdev: Switch device
+ * @rswitch: Switch device
* @table: Routing table ID
* @route_destid: Destination ID to be routed
* @route_port: Pointer to read port number into
* on failure.
*/
static int
-rio_route_get_entry(struct rio_mport *mport, struct rio_dev *rdev, u16 table,
+rio_route_get_entry(struct rio_mport *mport, struct rio_switch *rswitch, u16 table,
u16 route_destid, u8 * route_port)
{
- return rdev->rswitch->get_entry(mport, rdev->rswitch->destid,
- rdev->rswitch->hopcount, table,
+ return rswitch->get_entry(mport, rswitch->destid,
+ rswitch->hopcount, table,
route_destid, route_port);
}
{
u32 result;
- rio_mport_read_config_32(port, RIO_ANY_DESTID, hopcount,
+ rio_mport_read_config_32(port, RIO_ANY_DESTID(port->sys_size), hopcount,
RIO_HOST_DID_LOCK_CSR, &result);
return (u16) (result & 0xffff);
* Recursively enumerates a RIO network. Transactions are sent via the
* master port passed in @port.
*/
-static int rio_enum_peer(struct rio_net *net, struct rio_mport *port,
+static int __devinit rio_enum_peer(struct rio_net *net, struct rio_mport *port,
u8 hopcount)
{
int port_num;
int num_ports;
int cur_destid;
+ int sw_destid;
+ int sw_inport;
struct rio_dev *rdev;
u16 destid;
int tmp;
}
/* Attempt to acquire device lock */
- rio_mport_write_config_32(port, RIO_ANY_DESTID, hopcount,
+ rio_mport_write_config_32(port, RIO_ANY_DESTID(port->sys_size),
+ hopcount,
RIO_HOST_DID_LOCK_CSR, port->host_deviceid);
while ((tmp = rio_get_host_deviceid_lock(port, hopcount))
< port->host_deviceid) {
/* Delay a bit */
mdelay(1);
/* Attempt to acquire device lock again */
- rio_mport_write_config_32(port, RIO_ANY_DESTID, hopcount,
+ rio_mport_write_config_32(port, RIO_ANY_DESTID(port->sys_size),
+ hopcount,
RIO_HOST_DID_LOCK_CSR,
port->host_deviceid);
}
}
/* Setup new RIO device */
- if ((rdev = rio_setup_device(net, port, RIO_ANY_DESTID, hopcount, 1))) {
+ rdev = rio_setup_device(net, port, RIO_ANY_DESTID(port->sys_size),
+ hopcount, 1);
+ if (rdev) {
/* Add device to the global and bus/net specific list. */
list_add_tail(&rdev->net_list, &net->devices);
} else
if (rio_is_switch(rdev)) {
next_switchid++;
+ sw_inport = rio_get_swpinfo_inport(port,
+ RIO_ANY_DESTID(port->sys_size), hopcount);
+ rio_route_add_entry(port, rdev->rswitch, RIO_GLOBAL_TABLE,
+ port->host_deviceid, sw_inport);
+ rdev->rswitch->route_table[port->host_deviceid] = sw_inport;
for (destid = 0; destid < next_destid; destid++) {
- rio_route_add_entry(port, rdev, RIO_GLOBAL_TABLE,
- destid, rio_get_swpinfo_inport(port,
- RIO_ANY_DESTID,
- hopcount));
- rdev->rswitch->route_table[destid] =
- rio_get_swpinfo_inport(port, RIO_ANY_DESTID,
- hopcount);
+ if (destid == port->host_deviceid)
+ continue;
+ rio_route_add_entry(port, rdev->rswitch, RIO_GLOBAL_TABLE,
+ destid, sw_inport);
+ rdev->rswitch->route_table[destid] = sw_inport;
}
num_ports =
- rio_get_swpinfo_tports(port, RIO_ANY_DESTID, hopcount);
+ rio_get_swpinfo_tports(port, RIO_ANY_DESTID(port->sys_size),
+ hopcount);
pr_debug(
"RIO: found %s (vid %4.4x did %4.4x) with %d ports\n",
rio_name(rdev), rdev->vid, rdev->did, num_ports);
+ sw_destid = next_destid;
for (port_num = 0; port_num < num_ports; port_num++) {
- if (rio_get_swpinfo_inport
- (port, RIO_ANY_DESTID, hopcount) == port_num)
+ if (sw_inport == port_num)
continue;
cur_destid = next_destid;
if (rio_sport_is_active
- (port, RIO_ANY_DESTID, hopcount, port_num)) {
+ (port, RIO_ANY_DESTID(port->sys_size), hopcount,
+ port_num)) {
pr_debug(
"RIO: scanning device on port %d\n",
port_num);
- rio_route_add_entry(port, rdev,
- RIO_GLOBAL_TABLE,
- RIO_ANY_DESTID, port_num);
+ rio_route_add_entry(port, rdev->rswitch,
+ RIO_GLOBAL_TABLE,
+ RIO_ANY_DESTID(port->sys_size),
+ port_num);
if (rio_enum_peer(net, port, hopcount + 1) < 0)
return -1;
if (next_destid > cur_destid) {
for (destid = cur_destid;
destid < next_destid; destid++) {
- rio_route_add_entry(port, rdev,
+ if (destid == port->host_deviceid)
+ continue;
+ rio_route_add_entry(port, rdev->rswitch,
RIO_GLOBAL_TABLE,
destid,
port_num);
route_table[destid] =
port_num;
}
- rdev->rswitch->destid = cur_destid;
}
}
}
+
+ /* Check for empty switch */
+ if (next_destid == sw_destid) {
+ next_destid++;
+ if (next_destid == port->host_deviceid)
+ next_destid++;
+ }
+
+ rdev->rswitch->destid = sw_destid;
} else
pr_debug("RIO: found %s (vid %4.4x did %4.4x)\n",
rio_name(rdev), rdev->vid, rdev->did);
* Recursively discovers a RIO network. Transactions are sent via the
* master port passed in @port.
*/
-static int
+static int __devinit
rio_disc_peer(struct rio_net *net, struct rio_mport *port, u16 destid,
u8 hopcount)
{
pr_debug(
"RIO: scanning device on port %d\n",
port_num);
- for (ndestid = 0; ndestid < RIO_ANY_DESTID;
+ for (ndestid = 0;
+ ndestid < RIO_ANY_DESTID(port->sys_size);
ndestid++) {
- rio_route_get_entry(port, rdev,
+ rio_route_get_entry(port, rdev->rswitch,
RIO_GLOBAL_TABLE,
ndestid,
&route_port);
{
struct rio_net *net;
- net = kmalloc(sizeof(struct rio_net), GFP_KERNEL);
+ net = kzalloc(sizeof(struct rio_net), GFP_KERNEL);
if (net) {
- memset(net, 0, sizeof(struct rio_net));
INIT_LIST_HEAD(&net->node);
INIT_LIST_HEAD(&net->devices);
INIT_LIST_HEAD(&net->mports);
}
/**
+ * rio_update_route_tables- Updates route tables in switches
+ * @port: Master port associated with the RIO network
+ *
+ * For each enumerated device, ensure that each switch in a system
+ * has correct routing entries. Add routes for devices that where
+ * unknown dirung the first enumeration pass through the switch.
+ */
+static void rio_update_route_tables(struct rio_mport *port)
+{
+ struct rio_dev *rdev;
+ struct rio_switch *rswitch;
+ u8 sport;
+ u16 destid;
+
+ list_for_each_entry(rdev, &rio_devices, global_list) {
+
+ destid = (rio_is_switch(rdev))?rdev->rswitch->destid:rdev->destid;
+
+ list_for_each_entry(rswitch, &rio_switches, node) {
+
+ if (rio_is_switch(rdev) && (rdev->rswitch == rswitch))
+ continue;
+
+ if (RIO_INVALID_ROUTE == rswitch->route_table[destid]) {
+ /* Skip if destid ends in empty switch*/
+ if (rswitch->destid == destid)
+ continue;
+
+ sport = rio_get_swpinfo_inport(port,
+ rswitch->destid, rswitch->hopcount);
+
+ if (rswitch->add_entry) {
+ rio_route_add_entry(port, rswitch, RIO_GLOBAL_TABLE, destid, sport);
+ rswitch->route_table[destid] = sport;
+ }
+ }
+ }
+ }
+}
+
+/**
* rio_enum_mport- Start enumeration through a master port
* @mport: Master port to send transactions
*
* link, then start recursive peer enumeration. Returns %0 if
* enumeration succeeds or %-EBUSY if enumeration fails.
*/
-int rio_enum_mport(struct rio_mport *mport)
+int __devinit rio_enum_mport(struct rio_mport *mport)
{
struct rio_net *net = NULL;
int rc = 0;
rc = -EBUSY;
goto out;
}
+ rio_update_route_tables(mport);
rio_clear_locks(mport);
} else {
printk(KERN_INFO "RIO: master port %d link inactive\n",
list_for_each_entry(rdev, &rio_devices, global_list)
if (rio_is_switch(rdev))
- for (i = 0; i < RIO_MAX_ROUTE_ENTRIES; i++) {
+ for (i = 0;
+ i < RIO_MAX_ROUTE_ENTRIES(rdev->net->hport->sys_size);
+ i++) {
if (rio_route_get_entry
- (rdev->net->hport, rdev, RIO_GLOBAL_TABLE, i,
- &sport) < 0)
+ (rdev->net->hport, rdev->rswitch, RIO_GLOBAL_TABLE,
+ i, &sport) < 0)
continue;
rdev->rswitch->route_table[i] = sport;
}
* peer discovery. Returns %0 if discovery succeeds or %-EBUSY
* on failure.
*/
-int rio_disc_mport(struct rio_mport *mport)
+int __devinit rio_disc_mport(struct rio_mport *mport)
{
struct rio_net *net = NULL;
int enum_timeout_flag = 0;
del_timer_sync(&rio_enum_timer);
pr_debug("done\n");
- if (rio_disc_peer(net, mport, RIO_ANY_DESTID, 0) < 0) {
+ if (rio_disc_peer(net, mport, RIO_ANY_DESTID(mport->sys_size),
+ 0) < 0) {
printk(KERN_INFO
"RIO: master port %d device has failed discovery\n",
mport->id);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff