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-rw-r--r--arch/ia64/sn/kernel/io_init.c4
-rw-r--r--arch/ia64/sn/kernel/setup.c160
-rw-r--r--arch/ia64/sn/kernel/sn2/sn_hwperf.c4
-rw-r--r--arch/ia64/sn/kernel/tiocx.c5
-rw-r--r--arch/ia64/sn/kernel/xpc_partition.c2
5 files changed, 57 insertions, 118 deletions
diff --git a/arch/ia64/sn/kernel/io_init.c b/arch/ia64/sn/kernel/io_init.c
index 906622d9f933..b4f5053f5e1b 100644
--- a/arch/ia64/sn/kernel/io_init.c
+++ b/arch/ia64/sn/kernel/io_init.c
@@ -22,8 +22,6 @@
#include "xtalk/hubdev.h"
#include "xtalk/xwidgetdev.h"
-nasid_t master_nasid = INVALID_NASID; /* Partition Master */
-
static struct list_head sn_sysdata_list;
/* sysdata list struct */
@@ -165,7 +163,7 @@ static void sn_fixup_ionodes(void)
* Get SGI Specific HUB chipset information.
* Inform Prom that this kernel can support domain bus numbering.
*/
- for (i = 0; i < numionodes; i++) {
+ for (i = 0; i < num_cnodes; i++) {
hubdev = (struct hubdev_info *)(NODEPDA(i)->pdinfo);
nasid = cnodeid_to_nasid(i);
hubdev->max_segment_number = 0xffffffff;
diff --git a/arch/ia64/sn/kernel/setup.c b/arch/ia64/sn/kernel/setup.c
index 6f8c5883716b..0fb579ef18c2 100644
--- a/arch/ia64/sn/kernel/setup.c
+++ b/arch/ia64/sn/kernel/setup.c
@@ -59,8 +59,6 @@ DEFINE_PER_CPU(struct pda_s, pda_percpu);
#define MAX_PHYS_MEMORY (1UL << IA64_MAX_PHYS_BITS) /* Max physical address supported */
-lboard_t *root_lboard[MAX_COMPACT_NODES];
-
extern void bte_init_node(nodepda_t *, cnodeid_t);
extern void sn_timer_init(void);
@@ -97,15 +95,15 @@ u8 sn_region_size;
EXPORT_SYMBOL(sn_region_size);
int sn_prom_type; /* 0=hardware, 1=medusa/realprom, 2=medusa/fakeprom */
-short physical_node_map[MAX_PHYSNODE_ID];
+short physical_node_map[MAX_NUMALINK_NODES];
static unsigned long sn_prom_features[MAX_PROM_FEATURE_SETS];
EXPORT_SYMBOL(physical_node_map);
-int numionodes;
+int num_cnodes;
static void sn_init_pdas(char **);
-static void scan_for_ionodes(void);
+static void build_cnode_tables(void);
static nodepda_t *nodepdaindr[MAX_COMPACT_NODES];
@@ -140,19 +138,6 @@ char drive_info[4 * 16];
#endif
/*
- * Get nasid of current cpu early in boot before nodepda is initialized
- */
-static int
-boot_get_nasid(void)
-{
- int nasid;
-
- if (ia64_sn_get_sapic_info(get_sapicid(), &nasid, NULL, NULL))
- BUG();
- return nasid;
-}
-
-/*
* This routine can only be used during init, since
* smp_boot_data is an init data structure.
* We have to use smp_boot_data.cpu_phys_id to find
@@ -223,7 +208,6 @@ void __init early_sn_setup(void)
}
extern int platform_intr_list[];
-extern nasid_t master_nasid;
static int __initdata shub_1_1_found = 0;
/*
@@ -269,7 +253,6 @@ static void __init sn_check_for_wars(void)
void __init sn_setup(char **cmdline_p)
{
long status, ticks_per_sec, drift;
- int pxm;
u32 version = sn_sal_rev();
extern void sn_cpu_init(void);
@@ -300,11 +283,10 @@ void __init sn_setup(char **cmdline_p)
MAX_DMA_ADDRESS = PAGE_OFFSET + MAX_PHYS_MEMORY;
- memset(physical_node_map, -1, sizeof(physical_node_map));
- for (pxm = 0; pxm < MAX_PXM_DOMAINS; pxm++)
- if (pxm_to_nid_map[pxm] != -1)
- physical_node_map[pxm_to_nasid(pxm)] =
- pxm_to_nid_map[pxm];
+ /*
+ * Build the tables for managing cnodes.
+ */
+ build_cnode_tables();
/*
* Old PROMs do not provide an ACPI FADT. Disable legacy keyboard
@@ -319,8 +301,6 @@ void __init sn_setup(char **cmdline_p)
printk("SGI SAL version %x.%02x\n", version >> 8, version & 0x00FF);
- master_nasid = boot_get_nasid();
-
status =
ia64_sal_freq_base(SAL_FREQ_BASE_REALTIME_CLOCK, &ticks_per_sec,
&drift);
@@ -378,15 +358,6 @@ static void __init sn_init_pdas(char **cmdline_p)
{
cnodeid_t cnode;
- memset(sn_cnodeid_to_nasid, -1,
- sizeof(__ia64_per_cpu_var(__sn_cnodeid_to_nasid)));
- for_each_online_node(cnode)
- sn_cnodeid_to_nasid[cnode] =
- pxm_to_nasid(nid_to_pxm_map[cnode]);
-
- numionodes = num_online_nodes();
- scan_for_ionodes();
-
/*
* Allocate & initalize the nodepda for each node.
*/
@@ -402,7 +373,7 @@ static void __init sn_init_pdas(char **cmdline_p)
/*
* Allocate & initialize nodepda for TIOs. For now, put them on node 0.
*/
- for (cnode = num_online_nodes(); cnode < numionodes; cnode++) {
+ for (cnode = num_online_nodes(); cnode < num_cnodes; cnode++) {
nodepdaindr[cnode] =
alloc_bootmem_node(NODE_DATA(0), sizeof(nodepda_t));
memset(nodepdaindr[cnode], 0, sizeof(nodepda_t));
@@ -411,7 +382,7 @@ static void __init sn_init_pdas(char **cmdline_p)
/*
* Now copy the array of nodepda pointers to each nodepda.
*/
- for (cnode = 0; cnode < numionodes; cnode++)
+ for (cnode = 0; cnode < num_cnodes; cnode++)
memcpy(nodepdaindr[cnode]->pernode_pdaindr, nodepdaindr,
sizeof(nodepdaindr));
@@ -428,7 +399,7 @@ static void __init sn_init_pdas(char **cmdline_p)
* Initialize the per node hubdev. This includes IO Nodes and
* headless/memless nodes.
*/
- for (cnode = 0; cnode < numionodes; cnode++) {
+ for (cnode = 0; cnode < num_cnodes; cnode++) {
hubdev_init_node(nodepdaindr[cnode], cnode);
}
}
@@ -553,87 +524,58 @@ void __init sn_cpu_init(void)
}
/*
- * Scan klconfig for ionodes. Add the nasids to the
- * physical_node_map and the pda and increment numionodes.
+ * Build tables for converting between NASIDs and cnodes.
*/
+static inline int __init board_needs_cnode(int type)
+{
+ return (type == KLTYPE_SNIA || type == KLTYPE_TIO);
+}
-static void __init scan_for_ionodes(void)
+void __init build_cnode_tables(void)
{
- int nasid = 0;
+ int nasid;
+ int node;
lboard_t *brd;
- /* fakeprom does not support klgraph */
- if (IS_RUNNING_ON_FAKE_PROM())
- return;
-
- /* Setup ionodes with memory */
- for (nasid = 0; nasid < MAX_PHYSNODE_ID; nasid += 2) {
- char *klgraph_header;
- cnodeid_t cnodeid;
-
- if (physical_node_map[nasid] == -1)
- continue;
+ memset(physical_node_map, -1, sizeof(physical_node_map));
+ memset(sn_cnodeid_to_nasid, -1,
+ sizeof(__ia64_per_cpu_var(__sn_cnodeid_to_nasid)));
- cnodeid = -1;
- klgraph_header = __va(ia64_sn_get_klconfig_addr(nasid));
- if (!klgraph_header) {
- BUG(); /* All nodes must have klconfig tables! */
- }
- cnodeid = nasid_to_cnodeid(nasid);
- root_lboard[cnodeid] = (lboard_t *)
- NODE_OFFSET_TO_LBOARD((nasid),
- ((kl_config_hdr_t
- *) (klgraph_header))->
- ch_board_info);
+ /*
+ * First populate the tables with C/M bricks. This ensures that
+ * cnode == node for all C & M bricks.
+ */
+ for_each_online_node(node) {
+ nasid = pxm_to_nasid(nid_to_pxm_map[node]);
+ sn_cnodeid_to_nasid[node] = nasid;
+ physical_node_map[nasid] = node;
}
- /* Scan headless/memless IO Nodes. */
- for (nasid = 0; nasid < MAX_PHYSNODE_ID; nasid += 2) {
- /* if there's no nasid, don't try to read the klconfig on the node */
- if (physical_node_map[nasid] == -1)
- continue;
- brd = find_lboard_any((lboard_t *)
- root_lboard[nasid_to_cnodeid(nasid)],
- KLTYPE_SNIA);
- if (brd) {
- brd = KLCF_NEXT_ANY(brd); /* Skip this node's lboard */
- if (!brd)
- continue;
- }
-
- brd = find_lboard_any(brd, KLTYPE_SNIA);
+ /*
+ * num_cnodes is total number of C/M/TIO bricks. Because of the 256 node
+ * limit on the number of nodes, we can't use the generic node numbers
+ * for this. Note that num_cnodes is incremented below as TIOs or
+ * headless/memoryless nodes are discovered.
+ */
+ num_cnodes = num_online_nodes();
- while (brd) {
- sn_cnodeid_to_nasid[numionodes] = brd->brd_nasid;
- physical_node_map[brd->brd_nasid] = numionodes;
- root_lboard[numionodes] = brd;
- numionodes++;
- brd = KLCF_NEXT_ANY(brd);
- if (!brd)
- break;
-
- brd = find_lboard_any(brd, KLTYPE_SNIA);
- }
- }
+ /* fakeprom does not support klgraph */
+ if (IS_RUNNING_ON_FAKE_PROM())
+ return;
- /* Scan for TIO nodes. */
- for (nasid = 0; nasid < MAX_PHYSNODE_ID; nasid += 2) {
- /* if there's no nasid, don't try to read the klconfig on the node */
- if (physical_node_map[nasid] == -1)
- continue;
- brd = find_lboard_any((lboard_t *)
- root_lboard[nasid_to_cnodeid(nasid)],
- KLTYPE_TIO);
+ /* Find TIOs & headless/memoryless nodes and add them to the tables */
+ for_each_online_node(node) {
+ kl_config_hdr_t *klgraph_header;
+ nasid = cnodeid_to_nasid(node);
+ if ((klgraph_header = ia64_sn_get_klconfig_addr(nasid)) == NULL)
+ BUG();
+ brd = NODE_OFFSET_TO_LBOARD(nasid, klgraph_header->ch_board_info);
while (brd) {
- sn_cnodeid_to_nasid[numionodes] = brd->brd_nasid;
- physical_node_map[brd->brd_nasid] = numionodes;
- root_lboard[numionodes] = brd;
- numionodes++;
- brd = KLCF_NEXT_ANY(brd);
- if (!brd)
- break;
-
- brd = find_lboard_any(brd, KLTYPE_TIO);
+ if (board_needs_cnode(brd->brd_type) && physical_node_map[brd->brd_nasid] < 0) {
+ sn_cnodeid_to_nasid[num_cnodes] = brd->brd_nasid;
+ physical_node_map[brd->brd_nasid] = num_cnodes++;
+ }
+ brd = find_lboard_next(brd);
}
}
}
diff --git a/arch/ia64/sn/kernel/sn2/sn_hwperf.c b/arch/ia64/sn/kernel/sn2/sn_hwperf.c
index 0513aacac8c1..6c6fbca3229c 100644
--- a/arch/ia64/sn/kernel/sn2/sn_hwperf.c
+++ b/arch/ia64/sn/kernel/sn2/sn_hwperf.c
@@ -476,8 +476,8 @@ static int sn_topology_show(struct seq_file *s, void *d)
for_each_online_cpu(j) {
seq_printf(s, j ? ":%d" : ", dist %d",
node_distance(
- cpuid_to_cnodeid(i),
- cpuid_to_cnodeid(j)));
+ cpu_to_node(i),
+ cpu_to_node(j)));
}
seq_putc(s, '\n');
}
diff --git a/arch/ia64/sn/kernel/tiocx.c b/arch/ia64/sn/kernel/tiocx.c
index e0819ec53116..0d8592a745a7 100644
--- a/arch/ia64/sn/kernel/tiocx.c
+++ b/arch/ia64/sn/kernel/tiocx.c
@@ -489,12 +489,11 @@ static int __init tiocx_init(void)
bus_register(&tiocx_bus_type);
- for (cnodeid = 0; cnodeid < MAX_COMPACT_NODES; cnodeid++) {
+ for (cnodeid = 0; cnodeid < num_cnodes; cnodeid++) {
nasid_t nasid;
int bt;
- if ((nasid = cnodeid_to_nasid(cnodeid)) < 0)
- break; /* No more nasids .. bail out of loop */
+ nasid = cnodeid_to_nasid(cnodeid);
if ((nasid & 0x1) && is_fpga_tio(nasid, &bt)) {
struct hubdev_info *hubdev;
diff --git a/arch/ia64/sn/kernel/xpc_partition.c b/arch/ia64/sn/kernel/xpc_partition.c
index 578265ea9e67..72ef330fb784 100644
--- a/arch/ia64/sn/kernel/xpc_partition.c
+++ b/arch/ia64/sn/kernel/xpc_partition.c
@@ -44,7 +44,7 @@ static u64 xpc_sh2_IPI_access3;
/* original protection values for each node */
-u64 xpc_prot_vec[MAX_COMPACT_NODES];
+u64 xpc_prot_vec[MAX_NUMNODES];
/* this partition's reserved page */
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-24 05:37:32 +0000