#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/mmzone.h>
-#include <linux/module.h>
#include <linux/swap.h>
#include <linux/bootmem.h>
#include <asm/page.h>
static unsigned short __initdata slot_psize_cache[MAX_COMPACT_NODES][MAX_MEM_SLOTS];
static struct bootmem_data __initdata plat_node_bdata[MAX_COMPACT_NODES];
-struct node_data *__node_data[MAX_COMPACT_NODES];
-
-EXPORT_SYMBOL(__node_data);
-
-static int fine_mode;
-
-static int is_fine_dirmode(void)
-{
- return (((LOCAL_HUB_L(NI_STATUS_REV_ID) & NSRI_REGIONSIZE_MASK)
- >> NSRI_REGIONSIZE_SHFT) & REGIONSIZE_FINE);
-}
-
-static hubreg_t get_region(cnodeid_t cnode)
-{
- if (fine_mode)
- return COMPACT_TO_NASID_NODEID(cnode) >> NASID_TO_FINEREG_SHFT;
- else
- return COMPACT_TO_NASID_NODEID(cnode) >> NASID_TO_COARSEREG_SHFT;
-}
-
-static hubreg_t region_mask;
-
-static void gen_region_mask(hubreg_t *region_mask, int maxnodes)
-{
- cnodeid_t cnode;
-
- (*region_mask) = 0;
- for (cnode = 0; cnode < maxnodes; cnode++) {
- (*region_mask) |= 1ULL << get_region(cnode);
- }
-}
-
-#define rou_rflag rou_flags
-
-static int router_distance;
-
-static void router_recurse(klrou_t *router_a, klrou_t *router_b, int depth)
-{
- klrou_t *router;
- lboard_t *brd;
- int port;
-
- if (router_a->rou_rflag == 1)
- return;
-
- if (depth >= router_distance)
- return;
-
- router_a->rou_rflag = 1;
-
- for (port = 1; port <= MAX_ROUTER_PORTS; port++) {
- if (router_a->rou_port[port].port_nasid == INVALID_NASID)
- continue;
-
- brd = (lboard_t *)NODE_OFFSET_TO_K0(
- router_a->rou_port[port].port_nasid,
- router_a->rou_port[port].port_offset);
-
- if (brd->brd_type == KLTYPE_ROUTER) {
- router = (klrou_t *)NODE_OFFSET_TO_K0(NASID_GET(brd), brd->brd_compts[0]);
- if (router == router_b) {
- if (depth < router_distance)
- router_distance = depth;
- }
- else
- router_recurse(router, router_b, depth + 1);
- }
- }
-
- router_a->rou_rflag = 0;
-}
-
-unsigned char __node_distances[MAX_COMPACT_NODES][MAX_COMPACT_NODES];
-
-static int __init compute_node_distance(nasid_t nasid_a, nasid_t nasid_b)
-{
- klrou_t *router, *router_a = NULL, *router_b = NULL;
- lboard_t *brd, *dest_brd;
- cnodeid_t cnode;
- nasid_t nasid;
- int port;
-
- /* Figure out which routers nodes in question are connected to */
- for (cnode = 0; cnode < numnodes; cnode++) {
- nasid = COMPACT_TO_NASID_NODEID(cnode);
-
- if (nasid == -1) continue;
-
- brd = find_lboard_class((lboard_t *)KL_CONFIG_INFO(nasid),
- KLTYPE_ROUTER);
-
- if (!brd)
- continue;
-
- do {
- if (brd->brd_flags & DUPLICATE_BOARD)
- continue;
-
- router = (klrou_t *)NODE_OFFSET_TO_K0(NASID_GET(brd), brd->brd_compts[0]);
- router->rou_rflag = 0;
-
- for (port = 1; port <= MAX_ROUTER_PORTS; port++) {
- if (router->rou_port[port].port_nasid == INVALID_NASID)
- continue;
-
- dest_brd = (lboard_t *)NODE_OFFSET_TO_K0(
- router->rou_port[port].port_nasid,
- router->rou_port[port].port_offset);
-
- if (dest_brd->brd_type == KLTYPE_IP27) {
- if (dest_brd->brd_nasid == nasid_a)
- router_a = router;
- if (dest_brd->brd_nasid == nasid_b)
- router_b = router;
- }
- }
-
- } while ((brd = find_lboard_class(KLCF_NEXT(brd), KLTYPE_ROUTER)));
- }
-
- if (router_a == NULL) {
- printk("node_distance: router_a NULL\n");
- return -1;
- }
- if (router_b == NULL) {
- printk("node_distance: router_b NULL\n");
- return -1;
- }
-
- if (nasid_a == nasid_b)
- return 0;
-
- if (router_a == router_b)
- return 1;
-
- router_distance = 100;
- router_recurse(router_a, router_b, 2);
-
- return router_distance;
-}
-
-static void __init init_topology_matrix(void)
-{
- nasid_t nasid, nasid2;
- cnodeid_t row, col;
-
- for (row = 0; row < MAX_COMPACT_NODES; row++)
- for (col = 0; col < MAX_COMPACT_NODES; col++)
- __node_distances[row][col] = -1;
-
- for (row = 0; row < numnodes; row++) {
- nasid = COMPACT_TO_NASID_NODEID(row);
- for (col = 0; col < numnodes; col++) {
- nasid2 = COMPACT_TO_NASID_NODEID(col);
- __node_distances[row][col] =
- compute_node_distance(nasid, nasid2);
- }
- }
-}
-
-static void __init dump_topology(void)
-{
- nasid_t nasid;
- cnodeid_t cnode;
- lboard_t *brd, *dest_brd;
- int port;
- int router_num = 0;
- klrou_t *router;
- cnodeid_t row, col;
-
- printk("************** Topology ********************\n");
-
- printk(" ");
- for (col = 0; col < numnodes; col++)
- printk("%02d ", col);
- printk("\n");
- for (row = 0; row < numnodes; row++) {
- printk("%02d ", row);
- for (col = 0; col < numnodes; col++)
- printk("%2d ", node_distance(row, col));
- printk("\n");
- }
-
- for (cnode = 0; cnode < numnodes; cnode++) {
- nasid = COMPACT_TO_NASID_NODEID(cnode);
-
- if (nasid == -1) continue;
-
- brd = find_lboard_class((lboard_t *)KL_CONFIG_INFO(nasid),
- KLTYPE_ROUTER);
-
- if (!brd)
- continue;
-
- do {
- if (brd->brd_flags & DUPLICATE_BOARD)
- continue;
- printk("Router %d:", router_num);
- router_num++;
-
- router = (klrou_t *)NODE_OFFSET_TO_K0(NASID_GET(brd), brd->brd_compts[0]);
-
- for (port = 1; port <= MAX_ROUTER_PORTS; port++) {
- if (router->rou_port[port].port_nasid == INVALID_NASID)
- continue;
-
- dest_brd = (lboard_t *)NODE_OFFSET_TO_K0(
- router->rou_port[port].port_nasid,
- router->rou_port[port].port_offset);
-
- if (dest_brd->brd_type == KLTYPE_IP27)
- printk(" %d", dest_brd->brd_nasid);
- if (dest_brd->brd_type == KLTYPE_ROUTER)
- printk(" r");
- }
- printk("\n");
-
- } while ( (brd = find_lboard_class(KLCF_NEXT(brd), KLTYPE_ROUTER)) );
- }
-}
+struct pglist_data *node_data[MAX_COMPACT_NODES];
+struct hub_data *hub_data[MAX_COMPACT_NODES];
static pfn_t __init slot_getbasepfn(cnodeid_t cnode, int slot)
{
}
}
-static void __init mlreset(void)
-{
- int i;
-
- master_nasid = get_nasid();
- fine_mode = is_fine_dirmode();
-
- /*
- * Probe for all CPUs - this creates the cpumask and sets up the
- * mapping tables. We need to do this as early as possible.
- */
-#ifdef CONFIG_SMP
- cpu_node_probe();
-#endif
-
- init_topology_matrix();
- dump_topology();
-
- gen_region_mask(®ion_mask, numnodes);
-
- setup_replication_mask(numnodes);
-
- /*
- * Set all nodes' calias sizes to 8k
- */
- for (i = 0; i < numnodes; i++) {
- nasid_t nasid;
-
- nasid = COMPACT_TO_NASID_NODEID(i);
-
- /*
- * Always have node 0 in the region mask, otherwise
- * CALIAS accesses get exceptions since the hub
- * thinks it is a node 0 address.
- */
- REMOTE_HUB_S(nasid, PI_REGION_PRESENT, (region_mask | 1));
-#ifdef CONFIG_REPLICATE_EXHANDLERS
- REMOTE_HUB_S(nasid, PI_CALIAS_SIZE, PI_CALIAS_SIZE_8K);
-#else
- REMOTE_HUB_S(nasid, PI_CALIAS_SIZE, PI_CALIAS_SIZE_0);
-#endif
-
-#ifdef LATER
- /*
- * Set up all hubs to have a big window pointing at
- * widget 0. Memory mode, widget 0, offset 0
- */
- REMOTE_HUB_S(nasid, IIO_ITTE(SWIN0_BIGWIN),
- ((HUB_PIO_MAP_TO_MEM << IIO_ITTE_IOSP_SHIFT) |
- (0 << IIO_ITTE_WIDGET_SHIFT)));
-#endif
- }
-}
-
static void __init szmem(void)
{
pfn_t slot_psize, slot0sz = 0, nodebytes; /* Hack to detect problem configs */
}
}
-static void __init node_mem_init(cnodeid_t node)
-{
- pfn_t slot_firstpfn = slot_getbasepfn(node, 0);
- pfn_t slot_lastpfn = slot_firstpfn + slot_getsize(node, 0);
- pfn_t slot_freepfn = node_getfirstfree(node);
- struct pglist_data *pd;
- unsigned long bootmap_size;
-
- /*
- * Allocate the node data structures on the node first.
- */
- __node_data[node] = __va(slot_freepfn << PAGE_SHIFT);
-
- pd = NODE_DATA(node);
- pd->bdata = &plat_node_bdata[node];
-
- cpus_clear(hub_data(node)->h_cpus);
-
- slot_freepfn += PFN_UP(sizeof(struct pglist_data) +
- sizeof(struct hub_data));
-
- bootmap_size = init_bootmem_node(NODE_DATA(node), slot_freepfn,
- slot_firstpfn, slot_lastpfn);
- free_bootmem_node(NODE_DATA(node), slot_firstpfn << PAGE_SHIFT,
- (slot_lastpfn - slot_firstpfn) << PAGE_SHIFT);
- reserve_bootmem_node(NODE_DATA(node), slot_firstpfn << PAGE_SHIFT,
- ((slot_freepfn - slot_firstpfn) << PAGE_SHIFT) + bootmap_size);
-}
-
-/*
- * A node with nothing. We use it to avoid any special casing in
- * node_to_cpumask
- */
-static struct node_data null_node = {
- .hub = {
- .h_cpus = CPU_MASK_NONE
- }
-};
-
/*
* Currently, the intranode memory hole support assumes that each slot
* contains at least 32 MBytes of memory. We assume all bootmem data
mlreset();
szmem();
- for (node = 0; node < MAX_COMPACT_NODES; node++) {
- if (node < numnodes) {
- node_mem_init(node);
- continue;
- }
- __node_data[node] = &null_node;
+ for (node = 0; node < numnodes; node++) {
+ pfn_t slot_firstpfn = slot_getbasepfn(node, 0);
+ pfn_t slot_lastpfn = slot_firstpfn + slot_getsize(node, 0);
+ pfn_t slot_freepfn = node_getfirstfree(node);
+ unsigned long bootmap_size;
+
+ /*
+ * Allocate the node data structures on the node first.
+ */
+ node_data[node] = __va(slot_freepfn << PAGE_SHIFT);
+ node_data[node]->bdata = &plat_node_bdata[node];
+
+ hub_data[node] = (struct hub_data *)(node_data[node] + 1);
+
+ cpus_clear(hub_data[node]->h_cpus);
+
+ slot_freepfn += PFN_UP(sizeof(struct pglist_data) +
+ sizeof(struct hub_data));
+
+ bootmap_size = init_bootmem_node(NODE_DATA(node), slot_freepfn,
+ slot_firstpfn, slot_lastpfn);
+ free_bootmem_node(NODE_DATA(node), slot_firstpfn << PAGE_SHIFT,
+ (slot_lastpfn - slot_firstpfn) << PAGE_SHIFT);
+ reserve_bootmem_node(NODE_DATA(node), slot_firstpfn << PAGE_SHIFT,
+ ((slot_freepfn - slot_firstpfn) << PAGE_SHIFT) + bootmap_size);
}
}
git://git.onelab.eu / linux-2.6.git / blobdiff