From 01573e231f18eb2d99162747186f59511f56b64d Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 08 Dec 2023 10:40:48 +0000
Subject: [PATCH] 移去rt
---
kernel/arch/mips/sgi-ip27/ip27-memory.c | 173 +++++++++++++++++++--------------------------------------
1 files changed, 59 insertions(+), 114 deletions(-)
diff --git a/kernel/arch/mips/sgi-ip27/ip27-memory.c b/kernel/arch/mips/sgi-ip27/ip27-memory.c
index 59133d0..d411e0a 100644
--- a/kernel/arch/mips/sgi-ip27/ip27-memory.c
+++ b/kernel/arch/mips/sgi-ip27/ip27-memory.c
@@ -18,7 +18,6 @@
#include <linux/export.h>
#include <linux/nodemask.h>
#include <linux/swap.h>
-#include <linux/bootmem.h>
#include <linux/pfn.h>
#include <linux/highmem.h>
#include <asm/page.h>
@@ -26,43 +25,30 @@
#include <asm/sections.h>
#include <asm/sn/arch.h>
-#include <asm/sn/hub.h>
+#include <asm/sn/agent.h>
#include <asm/sn/klconfig.h>
-#include <asm/sn/sn_private.h>
+#include "ip27-common.h"
#define SLOT_PFNSHIFT (SLOT_SHIFT - PAGE_SHIFT)
#define PFN_NASIDSHFT (NASID_SHFT - PAGE_SHIFT)
-struct node_data *__node_data[MAX_COMPACT_NODES];
+struct node_data *__node_data[MAX_NUMNODES];
EXPORT_SYMBOL(__node_data);
-static int fine_mode;
-
-static int is_fine_dirmode(void)
+static u64 gen_region_mask(void)
{
- return ((LOCAL_HUB_L(NI_STATUS_REV_ID) & NSRI_REGIONSIZE_MASK) >> NSRI_REGIONSIZE_SHFT) & REGIONSIZE_FINE;
-}
+ int region_shift;
+ u64 region_mask;
+ nasid_t nasid;
-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;
-}
+ region_shift = get_region_shift();
+ region_mask = 0;
+ for_each_online_node(nasid)
+ region_mask |= BIT_ULL(nasid >> region_shift);
-static hubreg_t region_mask;
-
-static void gen_region_mask(hubreg_t *region_mask)
-{
- cnodeid_t cnode;
-
- (*region_mask) = 0;
- for_each_online_node(cnode) {
- (*region_mask) |= 1ULL << get_region(cnode);
- }
+ return region_mask;
}
#define rou_rflag rou_flags
@@ -105,23 +91,18 @@
router_a->rou_rflag = 0;
}
-unsigned char __node_distances[MAX_COMPACT_NODES][MAX_COMPACT_NODES];
+unsigned char __node_distances[MAX_NUMNODES][MAX_NUMNODES];
EXPORT_SYMBOL(__node_distances);
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_each_online_node(cnode) {
- nasid = COMPACT_TO_NASID_NODEID(cnode);
-
- if (nasid == -1) continue;
-
+ for_each_online_node(nasid) {
brd = find_lboard_class((lboard_t *)KL_CONFIG_INFO(nasid),
KLTYPE_ROUTER);
@@ -154,42 +135,39 @@
} 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;
+ return LOCAL_DISTANCE;
if (router_a == router_b)
- return 1;
+ return LOCAL_DISTANCE + 1;
+
+ if (router_a == NULL) {
+ pr_info("node_distance: router_a NULL\n");
+ return 255;
+ }
+ if (router_b == NULL) {
+ pr_info("node_distance: router_b NULL\n");
+ return 255;
+ }
router_distance = 100;
router_recurse(router_a, router_b, 2);
- return router_distance;
+ return LOCAL_DISTANCE + router_distance;
}
static void __init init_topology_matrix(void)
{
- nasid_t nasid, nasid2;
- cnodeid_t row, col;
+ nasid_t row, col;
- for (row = 0; row < MAX_COMPACT_NODES; row++)
- for (col = 0; col < MAX_COMPACT_NODES; col++)
+ for (row = 0; row < MAX_NUMNODES; row++)
+ for (col = 0; col < MAX_NUMNODES; col++)
__node_distances[row][col] = -1;
for_each_online_node(row) {
- nasid = COMPACT_TO_NASID_NODEID(row);
for_each_online_node(col) {
- nasid2 = COMPACT_TO_NASID_NODEID(col);
__node_distances[row][col] =
- compute_node_distance(nasid, nasid2);
+ compute_node_distance(row, col);
}
}
}
@@ -197,31 +175,26 @@
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;
+ nasid_t row, col;
- printk("************** Topology ********************\n");
+ pr_info("************** Topology ********************\n");
- printk(" ");
+ pr_info(" ");
for_each_online_node(col)
- printk("%02d ", col);
- printk("\n");
+ pr_cont("%02d ", col);
+ pr_cont("\n");
for_each_online_node(row) {
- printk("%02d ", row);
+ pr_info("%02d ", row);
for_each_online_node(col)
- printk("%2d ", node_distance(row, col));
- printk("\n");
+ pr_cont("%2d ", node_distance(row, col));
+ pr_cont("\n");
}
- for_each_online_node(cnode) {
- nasid = COMPACT_TO_NASID_NODEID(cnode);
-
- if (nasid == -1) continue;
-
+ for_each_online_node(nasid) {
brd = find_lboard_class((lboard_t *)KL_CONFIG_INFO(nasid),
KLTYPE_ROUTER);
@@ -231,7 +204,7 @@
do {
if (brd->brd_flags & DUPLICATE_BOARD)
continue;
- printk("Router %d:", router_num);
+ pr_cont("Router %d:", router_num);
router_num++;
router = (klrou_t *)NODE_OFFSET_TO_K0(NASID_GET(brd), brd->brd_compts[0]);
@@ -245,31 +218,27 @@
router->rou_port[port].port_offset);
if (dest_brd->brd_type == KLTYPE_IP27)
- printk(" %d", dest_brd->brd_nasid);
+ pr_cont(" %d", dest_brd->brd_nasid);
if (dest_brd->brd_type == KLTYPE_ROUTER)
- printk(" r");
+ pr_cont(" r");
}
- printk("\n");
+ pr_cont("\n");
} while ( (brd = find_lboard_class(KLCF_NEXT(brd), KLTYPE_ROUTER)) );
}
}
-static unsigned long __init slot_getbasepfn(cnodeid_t cnode, int slot)
+static unsigned long __init slot_getbasepfn(nasid_t nasid, int slot)
{
- nasid_t nasid = COMPACT_TO_NASID_NODEID(cnode);
-
return ((unsigned long)nasid << PFN_NASIDSHFT) | (slot << SLOT_PFNSHIFT);
}
-static unsigned long __init slot_psize_compute(cnodeid_t node, int slot)
+static unsigned long __init slot_psize_compute(nasid_t nasid, int slot)
{
- nasid_t nasid;
lboard_t *brd;
klmembnk_t *banks;
unsigned long size;
- nasid = COMPACT_TO_NASID_NODEID(node);
/* Find the node board */
brd = find_lboard((lboard_t *)KL_CONFIG_INFO(nasid), KLTYPE_IP27);
if (!brd)
@@ -299,10 +268,10 @@
static void __init mlreset(void)
{
- int i;
+ u64 region_mask;
+ nasid_t nasid;
master_nasid = get_nasid();
- fine_mode = is_fine_dirmode();
/*
* Probe for all CPUs - this creates the cpumask and sets up the
@@ -315,29 +284,21 @@
init_topology_matrix();
dump_topology();
- gen_region_mask(®ion_mask);
+ region_mask = gen_region_mask();
setup_replication_mask();
/*
* Set all nodes' calias sizes to 8k
*/
- for_each_online_node(i) {
- nasid_t nasid;
-
- nasid = COMPACT_TO_NASID_NODEID(i);
-
+ for_each_online_node(nasid) {
/*
* 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
/*
@@ -355,7 +316,7 @@
{
unsigned long slot_psize, slot0sz = 0, nodebytes; /* Hack to detect problem configs */
int slot;
- cnodeid_t node;
+ nasid_t node;
for_each_online_node(node) {
nodebytes = 0;
@@ -374,7 +335,7 @@
if ((nodebytes >> PAGE_SHIFT) * (sizeof(struct page)) >
(slot0sz << PAGE_SHIFT)) {
- printk("Ignoring slot %d onwards on node %d\n",
+ pr_info("Ignoring slot %d onwards on node %d\n",
slot, node);
slot = MAX_MEM_SLOTS;
continue;
@@ -385,11 +346,10 @@
}
}
-static void __init node_mem_init(cnodeid_t node)
+static void __init node_mem_init(nasid_t node)
{
unsigned long slot_firstpfn = slot_getbasepfn(node, 0);
unsigned long slot_freepfn = node_getfirstfree(node);
- unsigned long bootmap_size;
unsigned long start_pfn, end_pfn;
get_pfn_range_for_nid(node, &start_pfn, &end_pfn);
@@ -400,7 +360,6 @@
__node_data[node] = __va(slot_freepfn << PAGE_SHIFT);
memset(__node_data[node], 0, PAGE_SIZE);
- NODE_DATA(node)->bdata = &bootmem_node_data[node];
NODE_DATA(node)->node_start_pfn = start_pfn;
NODE_DATA(node)->node_spanned_pages = end_pfn - start_pfn;
@@ -409,13 +368,8 @@
slot_freepfn += PFN_UP(sizeof(struct pglist_data) +
sizeof(struct hub_data));
- bootmap_size = init_bootmem_node(NODE_DATA(node), slot_freepfn,
- start_pfn, end_pfn);
- free_bootmem_with_active_regions(node, end_pfn);
- reserve_bootmem_node(NODE_DATA(node), slot_firstpfn << PAGE_SHIFT,
- ((slot_freepfn - slot_firstpfn) << PAGE_SHIFT) + bootmap_size,
- BOOTMEM_DEFAULT);
- sparse_memory_present_with_active_regions(node);
+ memblock_reserve(slot_firstpfn << PAGE_SHIFT,
+ ((slot_freepfn - slot_firstpfn) << PAGE_SHIFT));
}
/*
@@ -435,12 +389,13 @@
*/
void __init prom_meminit(void)
{
- cnodeid_t node;
+ nasid_t node;
mlreset();
szmem();
+ max_low_pfn = PHYS_PFN(memblock_end_of_DRAM());
- for (node = 0; node < MAX_COMPACT_NODES; node++) {
+ for (node = 0; node < MAX_NUMNODES; node++) {
if (node_online(node)) {
node_mem_init(node);
continue;
@@ -459,26 +414,16 @@
void __init paging_init(void)
{
unsigned long zones_size[MAX_NR_ZONES] = {0, };
- unsigned node;
pagetable_init();
-
- for_each_online_node(node) {
- unsigned long start_pfn, end_pfn;
-
- get_pfn_range_for_nid(node, &start_pfn, &end_pfn);
-
- if (end_pfn > max_low_pfn)
- max_low_pfn = end_pfn;
- }
zones_size[ZONE_NORMAL] = max_low_pfn;
- free_area_init_nodes(zones_size);
+ free_area_init(zones_size);
}
void __init mem_init(void)
{
high_memory = (void *) __va(get_num_physpages() << PAGE_SHIFT);
- free_all_bootmem();
+ memblock_free_all();
setup_zero_pages(); /* This comes from node 0 */
mem_init_print_info(NULL);
}
--
Gitblit v1.6.2