vertex_hdl_t
pciio_device_info_register(
vertex_hdl_t connectpt, /* vertex at center of bus */
pciio_info_t pciio_info) /* details about the connectpt */
{
char name[32];
vertex_hdl_t pconn;
int device_master_set(vertex_hdl_t, vertex_hdl_t);
pciio_slot_func_to_name(name,
pciio_info->c_slot,
pciio_info->c_func);
if (GRAPH_SUCCESS !=
hwgraph_path_add(connectpt, name, &pconn))
return pconn;
pciio_info->c_vertex = pconn;
pciio_info_set(pconn, pciio_info);
#ifdef DEBUG_PCIIO
{
int pos;
char dname[256];
pos = devfs_generate_path(pconn, dname, 256);
printk("%s : pconn path= %s \n", __FUNCTION__, &dname[pos]);
}
#endif /* DEBUG_PCIIO */
/*
* create link to our pci provider
*/
device_master_set(pconn, pciio_info->c_master);
return pconn;
}
/* ARGSUSED */
static void __init
klhwg_add_cpu(vertex_hdl_t node_vertex, cnodeid_t cnode, klcpu_t *cpu)
{
vertex_hdl_t my_cpu, cpu_dir;
char name[120];
cpuid_t cpu_id;
nasid_t nasid;
nasid = cnodeid_to_nasid(cnode);
cpu_id = nasid_slice_to_cpuid(nasid, cpu->cpu_info.physid);
snprintf(name, 120, "%s/%d/%c",
EDGE_LBL_CPUBUS,
0,
'a' + cpu->cpu_info.physid);
(void) hwgraph_path_add(node_vertex, name, &my_cpu);
HWGRAPH_DEBUG(__FILE__, __FUNCTION__,__LINE__, my_cpu, NULL, "Created path for active cpu slice.\n");
mark_cpuvertex_as_cpu(my_cpu, cpu_id);
device_master_set(my_cpu, node_vertex);
/* Add an alias under the node's CPU directory */
if (hwgraph_edge_get(node_vertex, EDGE_LBL_CPU, &cpu_dir) == GRAPH_SUCCESS) {
snprintf(name, 120, "%c", 'a' + cpu->cpu_info.physid);
(void) hwgraph_edge_add(cpu_dir, my_cpu, name);
HWGRAPH_DEBUG(__FILE__, __FUNCTION__,__LINE__, cpu_dir, my_cpu, "Created % from vhdl1 to vhdl2.\n", name);
}
}
devfs_handle_t
pciio_device_info_register(
devfs_handle_t connectpt, /* vertex at center of bus */
pciio_info_t pciio_info) /* details about the connectpt */
{
char name[32];
devfs_handle_t pconn;
pciio_slot_func_to_name(name,
pciio_info->c_slot,
pciio_info->c_func);
if (GRAPH_SUCCESS !=
hwgraph_path_add(connectpt, name, &pconn))
return pconn;
pciio_info->c_vertex = pconn;
pciio_info_set(pconn, pciio_info);
#ifdef BRINGUP
{
int pos;
char dname[256];
pos = devfs_generate_path(pconn, dname, 256);
#ifdef DEBUG_PCIIO
printk("%s : pconn path= %s \n", __FUNCTION__, &dname[pos]);
#endif
}
#endif /* BRINGUP */
/*
* create link to our pci provider
*/
device_master_set(pconn, pciio_info->c_master);
#if USRPCI
/*
* Call into usrpci provider to let it initialize for
* the given slot.
*/
if (pciio_info->c_slot != PCIIO_SLOT_NONE)
usrpci_device_register(pconn, pciio_info->c_master, pciio_info->c_slot);
#endif
return pconn;
}
/*
* xwidget_register:
* Register a xtalk device (xwidget) by doing the following.
* -allocate and initialize xwidget_info data
* -allocate a hwgraph vertex with name based on widget number (id)
* -look up the widget's initialization function and call it,
* or remember the vertex for later initialization.
*
*/
int
xwidget_register(xwidget_hwid_t hwid, /* widget's hardware ID */
vertex_hdl_t widget, /* widget to initialize */
xwidgetnum_t id, /* widget's target id (0..f) */
vertex_hdl_t master, /* widget's master vertex */
xwidgetnum_t targetid) /* master's target id (9/a) */
{
xwidget_info_t widget_info;
char *s,devnm[MAXDEVNAME];
/* Allocate widget_info and associate it with widget vertex */
NEW(widget_info);
/* Initialize widget_info */
widget_info->w_vertex = widget;
widget_info->w_id = id;
widget_info->w_master = master;
widget_info->w_masterid = targetid;
widget_info->w_hwid = *hwid; /* structure copy */
widget_info->w_efunc = 0;
widget_info->w_einfo = 0;
/*
* get the name of this xwidget vertex and keep the info.
* This is needed during errors and interupts, but as
* long as we have it, we can use it elsewhere.
*/
s = dev_to_name(widget,devnm,MAXDEVNAME);
widget_info->w_name = kmalloc(strlen(s) + 1, GFP_KERNEL);
strcpy(widget_info->w_name,s);
xwidget_info_set(widget, widget_info);
device_master_set(widget, master);
/*
* Add pointer to async attach info -- tear down will be done when
* the particular descendant is done with the info.
*/
return cdl_add_connpt(hwid->part_num, hwid->mfg_num,
widget, 0);
}
/* ARGSUSED */
static void __init
klhwg_add_disabled_cpu(vertex_hdl_t node_vertex, cnodeid_t cnode, klcpu_t *cpu, slotid_t slot)
{
vertex_hdl_t my_cpu;
char name[120];
cpuid_t cpu_id;
nasid_t nasid;
nasid = cnodeid_to_nasid(cnode);
cpu_id = nasid_slice_to_cpuid(nasid, cpu->cpu_info.physid);
if(cpu_id != -1){
snprintf(name, 120, "%s/%s/%c", EDGE_LBL_DISABLED, EDGE_LBL_CPU, 'a' + cpu->cpu_info.physid);
(void) hwgraph_path_add(node_vertex, name, &my_cpu);
HWGRAPH_DEBUG(__FILE__, __FUNCTION__,__LINE__, my_cpu, NULL, "Created path for disabled cpu slice.\n");
mark_cpuvertex_as_cpu(my_cpu, cpu_id);
device_master_set(my_cpu, node_vertex);
return;
}
}
/* ARGSUSED */
static void __init
klhwg_add_hub(vertex_hdl_t node_vertex, klhub_t *hub, cnodeid_t cnode)
{
vertex_hdl_t myhubv;
vertex_hdl_t hub_mon;
int rc;
extern struct file_operations shub_mon_fops;
hwgraph_path_add(node_vertex, EDGE_LBL_HUB, &myhubv);
HWGRAPH_DEBUG(__FILE__, __FUNCTION__,__LINE__, myhubv, NULL, "Created path for hub vertex for Shub node.\n");
rc = device_master_set(myhubv, node_vertex);
if (rc) {
printk("klhwg_add_hub: Unable to create hub vertex.\n");
return;
}
hub_mon = hwgraph_register(myhubv, EDGE_LBL_PERFMON,
0, 0, 0, 0,
S_IFCHR | S_IRUSR | S_IWUSR | S_IRGRP, 0, 0,
&shub_mon_fops, (void *)(long)cnode);
}
/*
* Initialize all I/O on the specified node.
*/
static void
io_init_node(cnodeid_t cnodeid)
{
/*REFERENCED*/
vertex_hdl_t hubv, switchv, widgetv;
struct xwidget_hwid_s hwid;
hubinfo_t hubinfo;
int is_xswitch;
nodepda_t *npdap;
struct semaphore *peer_sema = 0;
uint32_t widget_partnum;
cpuid_t c = 0;
npdap = NODEPDA(cnodeid);
/*
* Get the "top" vertex for this node's hardware
* graph; it will carry the per-hub hub-specific
* data, and act as the crosstalk provider master.
* It's canonical path is probably something of the
* form /hw/module/%M/slot/%d/node
*/
hubv = cnodeid_to_vertex(cnodeid);
DBG("io_init_node: Initialize IO for cnode %d hubv(node) 0x%p npdap 0x%p\n", cnodeid, hubv, npdap);
ASSERT(hubv != GRAPH_VERTEX_NONE);
/*
* Read mfg info on this hub
*/
/*
* If nothing connected to this hub's xtalk port, we're done.
*/
early_probe_for_widget(hubv, &hwid);
if (hwid.part_num == XWIDGET_PART_NUM_NONE) {
#ifdef PROBE_TEST
if ((cnodeid == 1) || (cnodeid == 2)) {
int index;
for (index = 0; index < 600; index++)
DBG("Interfering with device probing!!!\n");
}
#endif
/* io_init_done takes cpu cookie as 2nd argument
* to do a restorenoderun for the setnoderun done
* at the start of this thread
*/
DBG("**** io_init_node: Node's 0x%p hub widget has XWIDGET_PART_NUM_NONE ****\n", hubv);
return;
/* NOTREACHED */
}
/*
* attach our hub_provider information to hubv,
* so we can use it as a crosstalk provider "master"
* vertex.
*/
xtalk_provider_register(hubv, &hub_provider);
xtalk_provider_startup(hubv);
/*
* Create a vertex to represent the crosstalk bus
* attached to this hub, and a vertex to be used
* as the connect point for whatever is out there
* on the other side of our crosstalk connection.
*
* Crosstalk Switch drivers "climb up" from their
* connection point to try and take over the switch
* point.
*
* Of course, the edges and verticies may already
* exist, in which case our net effect is just to
* associate the "xtalk_" driver with the connection
* point for the device.
*/
(void)hwgraph_path_add(hubv, EDGE_LBL_XTALK, &switchv);
DBG("io_init_node: Created 'xtalk' entry to '../node/' xtalk vertex 0x%p\n", switchv);
ASSERT(switchv != GRAPH_VERTEX_NONE);
(void)hwgraph_edge_add(hubv, switchv, EDGE_LBL_IO);
DBG("io_init_node: Created symlink 'io' from ../node/io to ../node/xtalk \n");
/*
* We need to find the widget id and update the basew_id field
* accordingly. In particular, SN00 has direct connected bridge,
* and hence widget id is Not 0.
*/
widget_partnum = (((*(volatile int32_t *)(NODE_SWIN_BASE(COMPACT_TO_NASID_NODEID(cnodeid), 0) + WIDGET_ID))) & WIDGET_PART_NUM) >> WIDGET_PART_NUM_SHFT;
if (widget_partnum == BRIDGE_WIDGET_PART_NUM ||
widget_partnum == XBRIDGE_WIDGET_PART_NUM){
npdap->basew_id = (((*(volatile int32_t *)(NODE_SWIN_BASE(COMPACT_TO_NASID_NODEID(cnodeid), 0) + BRIDGE_WID_CONTROL))) & WIDGET_WIDGET_ID);
DBG("io_init_node: Found XBRIDGE widget_partnum= 0x%x\n", widget_partnum);
} else if ((widget_partnum == XBOW_WIDGET_PART_NUM) ||
(widget_partnum == XXBOW_WIDGET_PART_NUM) ||
(widget_partnum == PXBOW_WIDGET_PART_NUM) ) {
/*
* Xbow control register does not have the widget ID field.
* So, hard code the widget ID to be zero.
*/
DBG("io_init_node: Found XBOW widget_partnum= 0x%x\n", widget_partnum);
npdap->basew_id = 0;
} else {
npdap->basew_id = (((*(volatile int32_t *)(NODE_SWIN_BASE(COMPACT_TO_NASID_NODEID(cnodeid), 0) + BRIDGE_WID_CONTROL))) & WIDGET_WIDGET_ID);
panic(" ****io_init_node: Unknown Widget Part Number 0x%x Widget ID 0x%x attached to Hubv 0x%p ****\n", widget_partnum, npdap->basew_id, (void *)hubv);
/*NOTREACHED*/
}
{
char widname[10];
sprintf(widname, "%x", npdap->basew_id);
(void)hwgraph_path_add(switchv, widname, &widgetv);
DBG("io_init_node: Created '%s' to '..node/xtalk/' vertex 0x%p\n", widname, widgetv);
ASSERT(widgetv != GRAPH_VERTEX_NONE);
}
nodepda->basew_xc = widgetv;
is_xswitch = xwidget_hwid_is_xswitch(&hwid);
/*
* Try to become the master of the widget. If this is an xswitch
* with multiple hubs connected, only one will succeed. Mastership
* of an xswitch is used only when touching registers on that xswitch.
* The slave xwidgets connected to the xswitch can be owned by various
* masters.
*/
if (device_master_set(widgetv, hubv) == 0) {
/* Only one hub (thread) per Crosstalk device or switch makes
* it to here.
*/
/*
* Initialize whatever xwidget is hanging off our hub.
* Whatever it is, it's accessible through widgetnum 0.
*/
hubinfo_get(hubv, &hubinfo);
(void)xwidget_register(&hwid, widgetv, npdap->basew_id, hubv, hubinfo->h_widgetid);
if (!is_xswitch) {
/* io_init_done takes cpu cookie as 2nd argument
* to do a restorenoderun for the setnoderun done
* at the start of this thread
*/
io_init_done(cnodeid,c);
/* NOTREACHED */
}
/*
* Special handling for Crosstalk Switches (e.g. xbow).
* We need to do things in roughly the following order:
* 1) Initialize xswitch hardware (done above)
* 2) Determine which hubs are available to be widget masters
* 3) Discover which links are active from the xswitch
* 4) Assign xwidgets hanging off the xswitch to hubs
* 5) Initialize all xwidgets on the xswitch
*/
DBG("call volunteer_for_widgets\n");
volunteer_for_widgets(switchv, hubv);
/* If there's someone else on this crossbow, recognize him */
if (npdap->xbow_peer != INVALID_NASID) {
nodepda_t *peer_npdap = NODEPDA(NASID_TO_COMPACT_NODEID(npdap->xbow_peer));
peer_sema = &peer_npdap->xbow_sema;
DBG("call volunteer_for_widgets again\n");
volunteer_for_widgets(switchv, peer_npdap->node_vertex);
}
assign_widgets_to_volunteers(switchv, hubv);
/* Signal that we're done */
if (peer_sema) {
up(peer_sema);
}
}
else {
/* Wait 'til master is done assigning widgets. */
down(&npdap->xbow_sema);
}
#ifdef PROBE_TEST
if ((cnodeid == 1) || (cnodeid == 2)) {
int index;
for (index = 0; index < 500; index++)
DBG("Interfering with device probing!!!\n");
}
#endif
/* Now both nodes can safely inititialize widgets */
io_init_xswitch_widgets(switchv, cnodeid);
io_link_xswitch_widgets(switchv, cnodeid);
/* io_init_done takes cpu cookie as 2nd argument
* to do a restorenoderun for the setnoderun done
* at the start of this thread
*/
io_init_done(cnodeid,c);
DBG("\nio_init_node: DONE INITIALIZED ALL I/O FOR CNODEID %d\n\n", cnodeid);
}
void
io_xswitch_widget_init(vertex_hdl_t xswitchv,
vertex_hdl_t hubv,
xwidgetnum_t widgetnum)
{
xswitch_info_t xswitch_info;
xwidgetnum_t hub_widgetid;
vertex_hdl_t widgetv;
cnodeid_t cnode;
widgetreg_t widget_id;
nasid_t nasid, peer_nasid;
struct xwidget_hwid_s hwid;
hubinfo_t hubinfo;
/*REFERENCED*/
int rc;
char pathname[128];
lboard_t *board = NULL;
char buffer[16];
char bt;
moduleid_t io_module;
slotid_t get_widget_slotnum(int xbow, int widget);
DBG("\nio_xswitch_widget_init: hubv 0x%p, xswitchv 0x%p, widgetnum 0x%x\n", hubv, xswitchv, widgetnum);
/*
* Verify that xswitchv is indeed an attached xswitch.
*/
xswitch_info = xswitch_info_get(xswitchv);
ASSERT(xswitch_info != NULL);
hubinfo_get(hubv, &hubinfo);
nasid = hubinfo->h_nasid;
cnode = NASID_TO_COMPACT_NODEID(nasid);
hub_widgetid = hubinfo->h_widgetid;
/*
* Check that the widget is an io widget and is enabled
* on this nasid or the `peer' nasid. The peer nasid
* is the other hub/bedrock connected to the xbow.
*/
peer_nasid = NODEPDA(cnode)->xbow_peer;
if (peer_nasid == INVALID_NASID)
/* If I don't have a peer, use myself. */
peer_nasid = nasid;
if (!xbow_port_io_enabled(nasid, widgetnum) &&
!xbow_port_io_enabled(peer_nasid, widgetnum)) {
return;
}
if (xswitch_info_link_ok(xswitch_info, widgetnum)) {
char name[4];
lboard_t dummy;
/*
* If the current hub is not supposed to be the master
* for this widgetnum, then skip this widget.
*/
if (xswitch_info_master_assignment_get(xswitch_info, widgetnum) != hubv) {
return;
}
board = find_lboard_class(
(lboard_t *)KL_CONFIG_INFO(nasid),
KLCLASS_IOBRICK);
if (!board && NODEPDA(cnode)->xbow_peer != INVALID_NASID) {
board = find_lboard_class(
(lboard_t *)KL_CONFIG_INFO( NODEPDA(cnode)->xbow_peer),
KLCLASS_IOBRICK);
}
if (board) {
DBG("io_xswitch_widget_init: Found KLTYPE_IOBRICK Board 0x%p brd_type 0x%x\n", board, board->brd_type);
} else {
DBG("io_xswitch_widget_init: FIXME did not find IOBOARD\n");
board = &dummy;
}
/* Copy over the nodes' geoid info */
{
lboard_t *brd;
brd = find_lboard((lboard_t *)KL_CONFIG_INFO(nasid), KLTYPE_SNIA);
if ( brd != (lboard_t *)0 ) {
board->brd_geoid = brd->brd_geoid;
}
}
/*
* Make sure we really want to say xbrick, pbrick,
* etc. rather than XIO, graphics, etc.
*/
memset(buffer, 0, 16);
format_module_id(buffer, geo_module(board->brd_geoid), MODULE_FORMAT_BRIEF);
sprintf(pathname, EDGE_LBL_MODULE "/%s/" EDGE_LBL_SLAB "/%d" "/%s" "/%s/%d",
buffer,
geo_slab(board->brd_geoid),
(board->brd_type == KLTYPE_IBRICK) ? EDGE_LBL_IBRICK :
(board->brd_type == KLTYPE_PBRICK) ? EDGE_LBL_PBRICK :
(board->brd_type == KLTYPE_PXBRICK) ? EDGE_LBL_PXBRICK :
(board->brd_type == KLTYPE_IXBRICK) ? EDGE_LBL_IXBRICK :
(board->brd_type == KLTYPE_CGBRICK) ? EDGE_LBL_CGBRICK :
(board->brd_type == KLTYPE_OPUSBRICK) ? EDGE_LBL_OPUSBRICK :
(board->brd_type == KLTYPE_XBRICK) ? EDGE_LBL_XBRICK : "?brick",
EDGE_LBL_XTALK, widgetnum);
DBG("io_xswitch_widget_init: path= %s\n", pathname);
rc = hwgraph_path_add(hwgraph_root, pathname, &widgetv);
ASSERT(rc == GRAPH_SUCCESS);
/* This is needed to let the user programs to map the
* module,slot numbers to the corresponding widget numbers
* on the crossbow.
*/
device_master_set(hwgraph_connectpt_get(widgetv), hubv);
sprintf(name, "%d", widgetnum);
DBG("io_xswitch_widget_init: FIXME hwgraph_edge_add %s xswitchv 0x%p, widgetv 0x%p\n", name, xswitchv, widgetv);
rc = hwgraph_edge_add(xswitchv, widgetv, name);
/*
* crosstalk switch code tracks which
* widget is attached to each link.
*/
xswitch_info_vhdl_set(xswitch_info, widgetnum, widgetv);
/*
* Peek at the widget to get its crosstalk part and
* mfgr numbers, then present it to the generic xtalk
* bus provider to have its driver attach routine
* called (or not).
*/
widget_id = XWIDGET_ID_READ(nasid, widgetnum);
hwid.part_num = XWIDGET_PART_NUM(widget_id);
hwid.rev_num = XWIDGET_REV_NUM(widget_id);
hwid.mfg_num = XWIDGET_MFG_NUM(widget_id);
/* Store some inventory information about
* the xwidget in the hardware graph.
*/
xwidget_inventory_add(widgetv,board,hwid);
(void)xwidget_register(&hwid, widgetv, widgetnum,
hubv, hub_widgetid);
ia64_sn_sysctl_iobrick_module_get(nasid, &io_module);
if (io_module >= 0) {
char buffer[16];
vertex_hdl_t to, from;
char *brick_name;
extern char *iobrick_L1bricktype_to_name(int type);
memset(buffer, 0, 16);
format_module_id(buffer, geo_module(board->brd_geoid), MODULE_FORMAT_BRIEF);
if ( isupper(MODULE_GET_BTCHAR(io_module)) ) {
bt = tolower(MODULE_GET_BTCHAR(io_module));
}
else {
bt = MODULE_GET_BTCHAR(io_module);
}
brick_name = iobrick_L1bricktype_to_name(bt);
/* Add a helper vertex so xbow monitoring
* can identify the brick type. It's simply
* an edge from the widget 0 vertex to the
* brick vertex.
*/
sprintf(pathname, EDGE_LBL_HW "/" EDGE_LBL_MODULE "/%s/"
EDGE_LBL_SLAB "/%d/"
EDGE_LBL_NODE "/" EDGE_LBL_XTALK "/"
"0",
buffer, geo_slab(board->brd_geoid));
DBG("io_xswitch_widget_init: FROM path '%s'\n", pathname);
from = hwgraph_path_to_vertex(pathname);
ASSERT_ALWAYS(from);
sprintf(pathname, EDGE_LBL_HW "/" EDGE_LBL_MODULE "/%s/"
EDGE_LBL_SLAB "/%d/"
"%s",
buffer, geo_slab(board->brd_geoid), brick_name);
DBG("io_xswitch_widget_init: TO path '%s'\n", pathname);
to = hwgraph_path_to_vertex(pathname);
ASSERT_ALWAYS(to);
rc = hwgraph_edge_add(from, to,
EDGE_LBL_INTERCONNECT);
if (rc == -EEXIST)
goto link_done;
if (rc != GRAPH_SUCCESS) {
printk("%s: Unable to establish link"
" for xbmon.", pathname);
}
link_done:
}
#ifdef SN0_USE_BTE
bte_bpush_war(cnode, (void *)board);
#endif
}
}
void
io_xswitch_widget_init(devfs_handle_t xswitchv,
devfs_handle_t hubv,
xwidgetnum_t widgetnum,
async_attach_t aa)
{
xswitch_info_t xswitch_info;
xwidgetnum_t hub_widgetid;
devfs_handle_t widgetv;
cnodeid_t cnode;
widgetreg_t widget_id;
nasid_t nasid, peer_nasid;
struct xwidget_hwid_s hwid;
hubinfo_t hubinfo;
/*REFERENCED*/
int rc;
char pathname[128];
char new_name[64];
moduleid_t module;
slotid_t slot;
lboard_t *board = NULL;
char buffer[16];
slotid_t get_widget_slotnum(int xbow, int widget);
DBG("\nio_xswitch_widget_init: hubv 0x%p, xswitchv 0x%p, widgetnum 0x%x\n", hubv, xswitchv, widgetnum);
/*
* Verify that xswitchv is indeed an attached xswitch.
*/
xswitch_info = xswitch_info_get(xswitchv);
ASSERT(xswitch_info != NULL);
hubinfo_get(hubv, &hubinfo);
nasid = hubinfo->h_nasid;
cnode = NASID_TO_COMPACT_NODEID(nasid);
hub_widgetid = hubinfo->h_widgetid;
/*
* Check that the widget is an io widget and is enabled
* on this nasid or the `peer' nasid. The peer nasid
* is the other hub/bedrock connected to the xbow.
*/
peer_nasid = NODEPDA(cnode)->xbow_peer;
if (peer_nasid == INVALID_NASID)
/* If I don't have a peer, use myself. */
peer_nasid = nasid;
if (!xbow_port_io_enabled(nasid, widgetnum) &&
!xbow_port_io_enabled(peer_nasid, widgetnum)) {
return;
}
if (xswitch_info_link_ok(xswitch_info, widgetnum)) {
char name[4];
/*
* If the current hub is not supposed to be the master
* for this widgetnum, then skip this widget.
*/
if (xswitch_info_master_assignment_get(xswitch_info,
widgetnum) != hubv) {
return;
}
module = NODEPDA(cnode)->module_id;
#ifdef XBRIDGE_REGS_SIM
/* hardwire for now...could do this with something like:
* xbow_soft_t soft = hwgraph_fastinfo_get(vhdl);
* xbow_t xbow = soft->base;
* xbowreg_t xwidget_id = xbow->xb_wid_id;
* but I don't feel like figuring out vhdl right now..
* and I know for a fact the answer is 0x2d000049
*/
DBG("io_xswitch_widget_init: XBRIDGE_REGS_SIM FIXME: reading xwidget id: hardwired to xbridge (0x2d000049).\n");
DBG("XWIDGET_PART_NUM(0x2d000049)= 0x%x\n", XWIDGET_PART_NUM(0x2d000049));
if (XWIDGET_PART_NUM(0x2d000049)==XXBOW_WIDGET_PART_NUM)
#else
if (nasid_has_xbridge(nasid))
#endif /* XBRIDGE_REGS_SIM */
{
board = find_lboard_module_class(
(lboard_t *)KL_CONFIG_INFO(nasid),
module,
KLTYPE_IOBRICK);
DBG("io_xswitch_widget_init: Board 0x%p\n", board);
{
lboard_t dummy;
if (board) {
DBG("io_xswitch_widget_init: Found KLTYPE_IOBRICK Board 0x%p brd_type 0x%x\n", board, board->brd_type);
} else {
DBG("io_xswitch_widget_init: FIXME did not find IOBOARD\n");
board = &dummy;
}
}
/*
* Make sure we really want to say xbrick, pbrick,
* etc. rather than XIO, graphics, etc.
*/
#ifdef SUPPORT_PRINTING_M_FORMAT
sprintf(pathname, EDGE_LBL_MODULE "/%M/"
"%cbrick" "/%s/%d",
NODEPDA(cnode)->module_id,
#else
memset(buffer, 0, 16);
format_module_id(buffer, NODEPDA(cnode)->module_id, MODULE_FORMAT_BRIEF);
sprintf(pathname, EDGE_LBL_MODULE "/%s/"
"%cbrick" "/%s/%d",
buffer,
#endif
(board->brd_type == KLTYPE_IBRICK) ? 'I' :
(board->brd_type == KLTYPE_PBRICK) ? 'P' :
(board->brd_type == KLTYPE_XBRICK) ? 'X' : '?',
EDGE_LBL_XTALK, widgetnum);
}
DBG("io_xswitch_widget_init: path= %s\n", pathname);
rc = hwgraph_path_add(hwgraph_root, pathname, &widgetv);
ASSERT(rc == GRAPH_SUCCESS);
/* This is needed to let the user programs to map the
* module,slot numbers to the corresponding widget numbers
* on the crossbow.
*/
rc = device_master_set(hwgraph_connectpt_get(widgetv), hubv);
/* If we are looking at the global master io6
* then add information about the version of
* the io6prom as a part of "detailed inventory"
* information.
*/
if (is_master_baseio(nasid,
NODEPDA(cnode)->module_id,
get_widget_slotnum(0,widgetnum))) {
extern void klhwg_baseio_inventory_add(devfs_handle_t,
cnodeid_t);
module = NODEPDA(cnode)->module_id;
#ifdef XBRIDGE_REGS_SIM
DBG("io_xswitch_widget_init: XBRIDGE_REGS_SIM FIXME: reading xwidget id: hardwired to xbridge (0x2d000049).\n");
if (XWIDGET_PART_NUM(0x2d000049)==XXBOW_WIDGET_PART_NUM)
#else
if (nasid_has_xbridge(nasid))
#endif /* XBRIDGE_REGS_SIM */
{
board = find_lboard_module(
(lboard_t *)KL_CONFIG_INFO(nasid),
module);
/*
* Change iobrick to correct i/o brick
*/
#ifdef SUPPORT_PRINTING_M_FORMAT
sprintf(pathname, EDGE_LBL_MODULE "/%M/"
#else
sprintf(pathname, EDGE_LBL_MODULE "/%x/"
#endif
"iobrick" "/%s/%d",
NODEPDA(cnode)->module_id,
EDGE_LBL_XTALK, widgetnum);
} else {
slot = get_widget_slotnum(0, widgetnum);
board = get_board_name(nasid, module, slot,
new_name);
/*
* Create the vertex for the widget,
* using the decimal
* widgetnum as the name of the primary edge.
*/
#ifdef SUPPORT_PRINTING_M_FORMAT
sprintf(pathname, EDGE_LBL_MODULE "/%M/"
EDGE_LBL_SLOT "/%s",
NODEPDA(cnode)->module_id,
new_name);
#else
memset(buffer, 0, 16);
format_module_id(buffer, NODEPDA(cnode)->module_id, MODULE_FORMAT_BRIEF);
sprintf(pathname, EDGE_LBL_MODULE "/%s/"
EDGE_LBL_SLOT "/%s",
buffer,
new_name);
#endif
}
rc = hwgraph_path_add(hwgraph_root, pathname, &widgetv);
DBG("io_xswitch_widget_init: (2) path= %s\n", pathname);
/*
* This is a weird ass code needed for error injection
* purposes.
*/
rc = device_master_set(hwgraph_connectpt_get(widgetv), hubv);
klhwg_baseio_inventory_add(widgetv,cnode);
}
sprintf(name, "%d", widgetnum);
DBG("io_xswitch_widget_init: FIXME hwgraph_edge_add %s xswitchv 0x%p, widgetv 0x%p\n", name, xswitchv, widgetv);
rc = hwgraph_edge_add(xswitchv, widgetv, name);
/*
* crosstalk switch code tracks which
* widget is attached to each link.
*/
xswitch_info_vhdl_set(xswitch_info, widgetnum, widgetv);
/*
* Peek at the widget to get its crosstalk part and
* mfgr numbers, then present it to the generic xtalk
* bus provider to have its driver attach routine
* called (or not).
*/
#ifdef XBRIDGE_REGS_SIM
widget_id = 0x2d000049;
DBG("io_xswitch_widget_init: XBRIDGE_REGS_SIM FIXME: id hardwired to widget_id\n");
#else
widget_id = XWIDGET_ID_READ(nasid, widgetnum);
#endif /* XBRIDGE_REGS_SIM */
hwid.part_num = XWIDGET_PART_NUM(widget_id);
hwid.rev_num = XWIDGET_REV_NUM(widget_id);
hwid.mfg_num = XWIDGET_MFG_NUM(widget_id);
/* Store some inventory information about
* the xwidget in the hardware graph.
*/
xwidget_inventory_add(widgetv,board,hwid);
(void)xwidget_register(&hwid, widgetv, widgetnum,
hubv, hub_widgetid,
aa);
#ifdef SN0_USE_BTE
bte_bpush_war(cnode, (void *)board);
#endif
}
/*
* If this PIC is attached to two Cbricks ("dual-ported") then
* attach each bus to opposite Cbricks.
*
* If successful, return a new vertex suitable for attaching the PIC bus.
* If not successful, return zero and both buses will attach to the
* vertex passed into pic_attach().
*/
static vertex_hdl_t
pic_bus1_redist(nasid_t nasid, vertex_hdl_t conn_v)
{
cnodeid_t cnode = nasid_to_cnodeid(nasid);
cnodeid_t xbow_peer = -1;
char pathname[256], peer_path[256], tmpbuf[256];
char *p;
int rc;
vertex_hdl_t peer_conn_v, hubv;
int pos;
slabid_t slab;
if (NODEPDA(cnode)->xbow_peer >= 0) { /* if dual-ported */
/* create a path for this widget on the peer Cbrick */
/* pcibr widget hw/module/001c11/slab/0/Pbrick/xtalk/12 */
/* sprintf(pathname, "%v", conn_v); */
xbow_peer = nasid_to_cnodeid(NODEPDA(cnode)->xbow_peer);
pos = hwgfs_generate_path(conn_v, tmpbuf, 256);
strcpy(pathname, &tmpbuf[pos]);
p = pathname + strlen("hw/module/001c01/slab/0/");
memset(tmpbuf, 0, 16);
format_module_id(tmpbuf, geo_module((NODEPDA(xbow_peer))->geoid), MODULE_FORMAT_BRIEF);
slab = geo_slab((NODEPDA(xbow_peer))->geoid);
sprintf(peer_path, "module/%s/slab/%d/%s", tmpbuf, (int)slab, p);
/* Look for vertex for this widget on the peer Cbrick.
* Expect GRAPH_NOT_FOUND.
*/
rc = hwgraph_traverse(hwgraph_root, peer_path, &peer_conn_v);
if (GRAPH_SUCCESS == rc)
printk("pic_attach: found unexpected vertex: 0x%lx\n",
(uint64_t)peer_conn_v);
else if (GRAPH_NOT_FOUND != rc) {
printk("pic_attach: hwgraph_traverse unexpectedly"
" returned 0x%x\n", rc);
} else {
/* try to add the widget vertex to the peer Cbrick */
rc = hwgraph_path_add(hwgraph_root, peer_path, &peer_conn_v);
if (GRAPH_SUCCESS != rc)
printk("pic_attach: hwgraph_path_add"
" failed with 0x%x\n", rc);
else {
PCIBR_DEBUG_ALWAYS((PCIBR_DEBUG_ATTACH, conn_v,
"pic_bus1_redist: added vertex %v\n", peer_conn_v));
/* Now hang appropiate stuff off of the new
* vertex. We bail out if we cannot add something.
* In that case, we don't remove the newly added
* vertex but that should be safe and we don't
* really expect the additions to fail anyway.
*/
if (!pic_bus1_widget_info_dup(conn_v, peer_conn_v,
xbow_peer, peer_path))
return 0;
hubv = cnodeid_to_vertex(xbow_peer);
ASSERT(hubv != GRAPH_VERTEX_NONE);
device_master_set(peer_conn_v, hubv);
xtalk_provider_register(hubv, &hub_provider);
xtalk_provider_startup(hubv);
return peer_conn_v;
}
}
}
return 0;
}