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irix-657m-src/stand/arcs/IO6prom/sysinit.c
calmsacibis995 8fc8fa8089 Source code upload
2022-09-29 17:59:04 +03:00

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/**************************************************************************
* *
* Copyright (C) 1992-1996 Silicon Graphics, Inc. *
* *
* These coded instructions, statements, and computer programs contain *
* unpublished proprietary information of Silicon Graphics, Inc., and *
* are protected by Federal copyright law. They may not be disclosed *
* to third parties or copied or duplicated in any form, in whole or *
* in part, without the prior written consent of Silicon Graphics, Inc. *
* *
**************************************************************************/
/***********************************************************************\
* File: sysinit.c *
* *
* Contains the code which completes system startup, runs *
* standard diags, checks the system configuration state, *
* and finally calls main. *
* *
\***********************************************************************/
#ident "$Revision: 1.108 $"
#include <sys/types.h>
#include <sys/cpu.h>
#include <sys/loaddrs.h>
#include <sys/sbd.h>
#include <pon.h>
#include <arcs/errno.h>
#include <arcs/io.h>
#include <arcs/hinv.h>
#include <arcs/folder.h>
#include <gfxgui.h>
#include <style.h>
#include <ksys/elsc.h>
#include <libsc.h>
#include <libsk.h>
#include <libkl.h>
#include <saioctl.h>
#include <setjmp.h>
#include "io6prom_private.h"
#include <klcfg_router.h>
#include <sys/SN/klpart.h>
#include <sys/SN/SN0/ip27config.h>
#include <sys/SN/SN0/ip27log.h>
#include <sys/SN/SN0/sn0drv.h>
#include <sys/SN/launch.h> /* For slave launch testing */
#include "ip27prom.h"
extern ulong get_BSR(void) ;
extern int bssmagic ;
#include <sys/SN/gda.h>
#include <sys/SN/nvram.h>
#include <sys/SN/kldiag.h>
#include <sys/SN/klconfig.h>
#include "traverse_nodes.h"
void main(void);
void init_prom_soft(int);
void reboot(void);
void config_cache(void);
void init_tlb(void);
int version(void);
extern void dump_diag_results(int);
extern void check_early_init(void);
extern void checkclk_mod_all(void) ;
extern void check_edtab(void) ;
extern void nvram_disabled_io_info_update(void);
void dump_inventory(void) ;
static void alloc_memdesc(void);
static void show_halt_msg(void);
static nasid_t update_master_baseio(void) ;
int update_old_master_baseio(nasid_t) ;
__psunsigned_t io6prom_elsc_init(void) ;
int read_skipauto(void) ;
void check_part_reboot(void) ;
extern void ei_pwr_cycle_launch(void);
#ifdef SABLE
extern int fake_prom;
extern int sc_sable;
extern int sk_sable;
#endif /* SABLE */
extern __psint_t _gp;
extern int num_nodes;
extern void tlb_setup(nasid_t);
void nvaddr_init(void) ;
extern void slave_print_mod_num(nasid_t);
#if 0
extern int propagate_serial_num() ;
#endif
void elsc_print_mod_num(int);
__psunsigned_t getnv_base_lb(lboard_t *) ;
extern __psunsigned_t nvram_base ;
__psunsigned_t ioc3uart_base ;
nasid_t master_nasid;
nasid_t master_baseio_nasid;
extern moduleid_t master_baseio_modid ;
extern slotid_t master_baseio_slotid ;
extern char *master_console_path ;
extern unsigned char prom_versnum,prom_revnum;
long Stack[IO6PROM_STACK_SIZE / sizeof(long)] = {0};
__uint64_t diag_malloc_brk ;
/*
* Set master control flags in the prom.
*/
void
sysinit(int diag_mode)
{
int restart;
char restart_ll ;
int node, slice;
int i;
kl_config_hdr_t *klch_m, *klch_b ;
#ifdef SABLE
hubuart_init(); /* Assembly version */
sc_sable = 1;
sk_sable = 1;
#endif
/* If we get here, we have been successfully loaded.
print the rest of the Loading ... msg */
printf("DONE\n\n") ;
/* Display the IO6PROM sign on message */
(void) version();
master_nasid = get_nasid();
diag_set_mode(diag_mode);
#if defined (HUB_ERR_STS_WAR)
if (do_hub_errsts_war() == 0)
printf("Force read error for HUB_ERR_STS_WAR failed\n");
#endif
/* set up GDA on master_nasid */
init_local_dir();
io6prom_elsc_init() ;
/* Choose one of the local master io6 as global master */
/* change the KLCONFIG HEADER of the master_nasid so that its
console_t points to the global master baseio. Any onw who
needs the console uart base can get it from here.
*/
if ((master_baseio_nasid = update_master_baseio()) >= 0) {
klch_m = KL_CONFIG_HDR(master_nasid) ;
klch_b = KL_CONFIG_HDR(master_baseio_nasid) ;
bcopy((void *)&klch_b->ch_cons_info,
(void *)&klch_m->ch_cons_info,
sizeof(console_t)) ;
} else {
/* For compatibility with old proms. Old proms do not have
the GLOBAL_MASTER_IO6 and LOCAL_MASTER_IO6 bits set.
Set it for atleast the master_nasid.
*/
update_old_master_baseio(master_nasid) ;
}
nvaddr_init() ;
/*
* PV 669589. If memory banks 0 and 1 are swapped, the correct
* behavior is for the prom to also swap all other pairs of banks.
* New versions of the proms know how to do this. The IO prom must be
* forwards and backwards compatible with all versions of the CPU
* prom, but we don't know whether the CPU prom which loaded this IO
* prom had the old or new behavior. If the CPU prom had the new
* behavior, it "unswapped" the banks before loading the IO prom,
* thereby re-creating the old behavior. Old CPU proms have the old
* behavior (obviously). Here, we make the behavior correct by
* swapping the config information for banks 2 and up.
*/
swap_some_memory_banks();
/* Initialize the globals pertaining to cache size */
/* Finds out values of dmabuf_linemask, _icache_linemask
_dcache_linemask based on the cache in Global Master.
*/
config_cache();
verbose_faults = 1;
set_SR(IO6PROM_SR & ~(SR_IE));
init_env();
#if defined (HUB_ERR_STS_WAR)
if (do_hub_errsts_war() == 0)
printf("Force read error for HUB_ERR_STS_WAR failed\n");
#endif
nvram_prom_version_set(prom_versnum,prom_revnum);
/*
* These need to be set to get stdio and certain prom initialization
* to behave correctly.
*/
_prom = 1;
stdio_init = 0;
init_prom_soft(1);
#if defined (HUB_ERR_STS_WAR)
if (do_hub_errsts_war() == 0)
printf("Force read error for HUB_ERR_STS_WAR failed\n");
#endif
/* Run the checkclk test on all modules */
if ((GET_DIAG_MODE(diag_mode) == DIAG_MODE_HEAVY) ||
(GET_DIAG_MODE(diag_mode) == DIAG_MODE_MFG))
checkclk_mod_all() ;
/* Dump system config info and diag results */
dump_diag_results(diag_mode);
/* Do the right thing depending on how the RESTART stuff is set */
/*
* Bug PV 464448
* init_prom_soft above may not return if there was a
* scsi time out, and the war code reset the system.
* We may lose the restart info in such a case. The fix
* involves storing the reboot state also in nvram.
* Read that location and if it appears that we have a
* valid value there, use it as the restart value and
* reset the nvram. This same mechanism can be used to
* remember additional state. upto 5 bits.
*/
restart_ll = get_scsi_to_ll_value() ;
if ((restart_ll & (SCSI_TO_LL_MAGIC | SCSI_TO_LL_REBOOT)) ==
(SCSI_TO_LL_MAGIC | SCSI_TO_LL_REBOOT)) {
restart = PROMOP_REBOOT ;
set_scsi_to_ll_value(0);
}
else
restart = diag_get_lladdr();
diag_set_lladdr(PROMOP_INVALID);
#if defined (HUB_ERR_STS_WAR)
if (do_hub_errsts_war() == 0)
printf("Force read error for HUB_ERR_STS_WAR failed\n");
#endif
#ifdef DEBUG
printf("printing module numbers...\n");
#endif
/* Loop through all the nodes and launch the module printing code on
one of its processors. This prints each module's number twice but
makes the code simpler.
*/
for (node = 1; node < num_nodes; node++) {
for (slice = 0; slice < CPUS_PER_NODE; slice++) {
klcpu_t *klcpu;
cpuid_t cid = cnode_slice_to_cpuid(node, slice);
if (cid != -1)
klcpu = get_cpuinfo(cid);
else
klcpu = NULL;
/* if it's there and it's enabled have it print its module number */
if (klcpu && KLCONFIG_INFO_ENABLED(&(klcpu->cpu_info))) {
#if DEBUG
printf("printing module number on node %d, cpu %d\n",
node,slice);
#endif
LAUNCH_SLAVE(GDA->g_nasidtable[node],slice,
(launch_proc_t)PHYS_TO_K0(kvtophys(
(void *)slave_print_mod_num)),
get_nasid(),
(void*)TO_NODE(GDA->g_nasidtable[node],IP27PROM_STACK_A + 1024),
(void*)0);
break;
}
} /* for */
} /* for */
/* print this module's number on the ELSC */
us_delay(40000);
elsc_print_mod_num(1);
/* RFE PV # 445985 */
/* If the skip autoboot virtual dip switch is set
and we were about to do a startup() dont do it.
Take a shortcut and go to EnterInteractiveMode
right here.
*/
if (read_skipauto() &&
(restart != PROMOP_RESTART) &&
(restart != PROMOP_REBOOT))
restart = PROMOP_RESTART ;
/* check if this is a reboot controlled by another partition. */
check_part_reboot() ;
switch (restart) {
case PROMOP_RESTART:
EnterInteractiveMode();
break;
case PROMOP_REBOOT:
reboot();
break;
default:
startup();
break;
}
}
/*
* Function: slave_set_moduleid -> executed on slave CPU to set
* moduleid
* Args: module -> module to set to
* Returns: Nothing
*/
void slave_set_moduleid(int module)
{
io6prom_elsc_init() ;
elsc_module_set(get_elsc(), module);
}
static void
make_mod_msg(char *mmsg, moduleid_t mnum, int partition, int master)
{
#ifdef OLD_CODE
int m10, m100 ;
strcpy(mmsg, "Mod ") ;
m10 = (mnum/10) ;
m100 = (mnum/100) ;
mmsg[4] = (m100) ? (m100 + '0') : ' ' ;
mmsg[5] = (m10%10) ? (m10%10) + '0' : ' ' ;
mmsg[6] = (mnum%10) + '0' ;
mmsg[7] = master ? 'C' : ' ' ;
mmsg[8] = 0 ;
#endif
/*
* Right now we only check partition id's for validity
*/
if(partition >=0 && partition <= 63){
if(master)
sprintf(mmsg, "P%2d M%2dC", partition, mnum);
else
sprintf(mmsg, "P%2d M%2d", partition, mnum);
}
else {
if(master)
sprintf(mmsg, " M%2dC", mnum);
else
sprintf(mmsg, " M%2d ", mnum);
}
}
/*
* elsc_print_mod_num_
* sets up the ELSC and then prints the module number on its LEDs
*/
void
elsc_print_mod_num(int master) {
lboard_t *board;
char mod_msg[48];
if (SN00)
return;
io6prom_elsc_init() ;
board = find_lboard((lboard_t*)KL_CONFIG_INFO(get_nasid()),
KLTYPE_IP27);
/* convert to a 3 digit number. */
make_mod_msg(mod_msg, board->brd_module,
elsc_partition_get(get_elsc()), master);
elsc_display_mesg(get_elsc(), mod_msg);
/* we can't use printf so no error message if it fails :( */
}
/*
* get all slave nvram bases into nslvnv_base
*/
int
get_slvnv_base(lboard_t *l, void *ap, void *rp)
{
__psunsigned_t *slvp = (__psunsigned_t *)rp ;
int *nslv_p = (int *)ap ;
if (l->brd_type != KLTYPE_BASEIO)
return 1 ;
if (l->brd_flags & GLOBAL_MASTER_IO6)
return 1 ;
if (slvp[*nslv_p] = getnv_base_lb(l)) {
(*nslv_p) += 1 ;
}
return 1 ;
}
/*
* init_prom_soft()
* Calls the initialization routines for the major
* PROM subsystems.
*/
void
init_prom_soft(int no_init_env)
{
#if DEBUG
/* Check for the value of stack on re-entry */
int dummy ;
printf("Stack = 0x%lx, SP = 0x%lx\n", Stack, &dummy) ;
#endif
master_nasid = get_nasid();
if (!no_init_env)
update_master_baseio() ;
nvaddr_init() ;
io6prom_elsc_init() ;
/* Init diag malloc area every time we re-enter the IO6prom */
diag_malloc_brk = DIAG_BASE ;
init_klmalloc_device(master_nasid) ;
#if DEBUG
dump_klmalloc_table(master_nasid) ;
#endif
sysctlr_message("InitCach");
config_cache();
flush_cache();
set_SR(IO6PROM_SR & ~(SR_IE)); /* Set SR to its "normal" state */
check_edtab();
nvram_disabled_io_info_update();
if (!no_init_env)
init_env();
sysctlr_message("InitSaio");
_init_saio();
/* Just for testing since this runs with the 'init' command and
can be run any number of times without reboot.
*/
read_extra_nic() ;
/*do_dis_node_brds() ;*/
check_inventory() ;
elsc_print_mod_num(1);
#ifdef DEBUG
dump_inventory() ;
#endif
#if 0
propagate_serial_num() ;
#endif
init_tlb();
alloc_memdesc();
}
/*
* show_halt_msg()
* Display a nice friendly halt message for the user
*/
static void
show_halt_msg(void)
{
if (doGui()) setGuiMode(1,GUI_NOLOGO);
popupDialog("\n\nOkay to power off the system now.\n\n"
"Press RESET button to restart.",
0,DIALOGINFO,DIALOGCENTER|DIALOGBIGFONT);
}
/*
* halt()
* Bring the system to a quiescent state
*/
void
halt()
{
show_halt_msg();
}
/*
* powerdown()
* Attempt a soft power down of the system.
*/
void
powerdown(void)
{
cpu_soft_powerdown();
show_halt_msg();
}
/*
* restart()
* Attempt to restart the machine.
*/
void
restart(void)
{
static int restart_buttons[] = {DIALOGRESTART,-1};
if (doGui()) setGuiMode(1,GUI_NOLOGO);
popupDialog("\n\nYou may shutdown the system.\n\nPress any key to restart.",
restart_buttons, DIALOGINFO, DIALOGCENTER|DIALOGBIGFONT);
if (doGui()) setGuiMode(0, GUI_RESET);
startup();
}
/*
* reboot()
* This is supposed to try to reproduce the last system boot
* command.
*/
void
reboot(void)
{
int Verbose = 0; /* ??? */
if (!Verbose && doGui()) {
setGuiMode(1,0);
}
else {
p_panelmode();
p_cursoff();
}
if (ESUCCESS != autoboot(0, 0, 0)) {
putchar('\n');
setTpButtonAction(EnterInteractiveMode,TPBCONTINUE,WBNOW);
p_curson();
p_printf("Unable to boot; press any key to continue: ");
getchar();
putchar('\n');
}
/* If reboot fails, reinitialize software in case a partially
* booted program has messed up the prom state.
*/
EnterInteractiveMode(); /* should not get here */
}
/*
* Update the IOC3 flags for the master console.
* These are needed so that drivers can be installed
* further down in the IO prom.
*/
nasid_t
update_master_baseio(void)
{
cnodeid_t cnode ;
nasid_t nasid ;
lboard_t *lb;
gda_t *gdap;
klioc3_t *ioc3p ;
gdap = (gda_t *)GDA_ADDR(get_nasid());
if (gdap->g_magic != GDA_MAGIC) {
printf("update_master_io6: Invalid GDA MAGIC\n") ;
return -1 ;
}
/* for all nodes */
for (cnode = 0; cnode < MAX_COMPACT_NODES; cnode ++) {
nasid = gdap->g_nasidtable[cnode];
if (nasid == INVALID_NASID)
continue;
lb = (lboard_t *)KL_CONFIG_INFO(nasid) ;
/* find all baseio boards */
while (lb) {
lb = find_lboard(lb, KLTYPE_BASEIO);
if (!lb)
break ;
/* the first local master is the global master */
if (lb->brd_flags & LOCAL_MASTER_IO6) {
lb->brd_flags |= GLOBAL_MASTER_IO6 ;
master_baseio_modid = lb->brd_module ;
master_baseio_slotid = lb->brd_slot ;
ioc3p = NULL ;
ioc3p = (klioc3_t *)find_component(lb,
(klinfo_t *)ioc3p, KLSTRUCT_IOC3) ;
/* Install all drivers for this IOC3 */
ioc3p->ioc3_info.flags |= KLINFO_INSTALL ;
ioc3p->ioc3_superio.flags |= KLINFO_INSTALL ;
ioc3p->ioc3_enet.flags |= KLINFO_INSTALL ;
return lb->brd_nasid ;
}
lb = KLCF_NEXT(lb);
}
}
/* did not find any local master in the whole system */
return -1 ;
}
/*
* enter_imode()
* Drop back into Interactive Mode.
*/
void
enter_imode(void)
{
_hook_exceptions();
_init_saio(); /* initialize saio library */
alloc_memdesc(); /* allocate memory descriptors for prom */
set_SR(IO6PROM_SR & ~(SR_IE));
main();
EnterInteractiveMode(); /* shouldn't get here */
}
/*
* alloc_memdesc()
* Allocate memory descriptors.
*/
static void
alloc_memdesc(void)
{
}
/*
* Set up some data structs for compatiblity with old
* proms
*/
update_old_master_baseio(nasid_t nasid)
{
lboard_t *lboard;
lboard = (lboard_t *)KL_CONFIG_INFO(nasid);
if ((lboard = find_lboard(lboard, KLTYPE_BASEIO)) == NULL) {
printf("CPU and IO proms highly incompatible.\
Update CPU and IO proms to the same rev level.\n") ;
return 0 ;
}
lboard->brd_flags |= (LOCAL_MASTER_IO6|GLOBAL_MASTER_IO6) ;
return 1 ;
}
void dump_diag_results(int diag_mode)
{
sn0_dump_diag(diag_mode);
#if IP27_CPU_EARLY_INIT_WAR
check_early_init();
#endif
}
/*
* Scan all io boards and collect their base addrs.
*/
void
nvaddr_init()
{
int i ;
extern __psunsigned_t slvnv_base[] ;
extern int nslv_nvram ;
extern __uint64_t mstnv_state ;
nslv_nvram = mstnv_state = 0 ;
for (i=0;i<MAX_NVRAM_IN_SYNC;i++)
slvnv_base[i] = 0 ;
nvram_base = kl_ioc3nvram_base(get_nasid());
ioc3uart_base = kl_ioc3uart_base(get_nasid());
visit_lboard(get_slvnv_base, (void *)&nslv_nvram, (void *)slvnv_base) ;
#ifdef DEBUG
printf("nslv_nvram = %d", nslv_nvram) ;
for(i=0;i<nslv_nvram;i++) printf(" 0x%lx,", slvnv_base[i]) ;
printf("\n") ;
#endif
}
/*
* Init elsc for putting msgs on sys ctlr
*/
__psunsigned_t
io6prom_elsc_init()
{
__psunsigned_t base ;
extern void set_elsc(elsc_t *);
/* Use the very bottom of the stack since no one is using
it right now.
*/
base = SYMMON_STK_ADDR(get_nasid(),
REMOTE_HUB_L(get_nasid(), PI_CPU_NUM));
set_elsc((elsc_t *) base);
elsc_init(get_elsc(), get_nasid());
elscuart_init(0);
return base ;
}
/*
* read the skip auto boot virtual dip switch from msc
*/
int
read_skipauto()
{
u_char dbg_p, dbg_v ;
if ((elsc_debug_get(get_elsc(), &dbg_v, &dbg_p)) < 0)
dbg_v = dbg_p = 0;
return (dbg_v & (1 << ((DIP_NUM_IGNORE_AUTOBOOT) - 1 - 8))) ;
}
#if IP27_CPU_EARLY_INIT_WAR
lboard_t *pwr_cyc[MAX_MODULES];
int pwr_cyc_indx;
static void
add_pwr_cyc(lboard_t *lb)
{
int i;
for (i = 0; i < pwr_cyc_indx; i++)
if (pwr_cyc[i]->brd_module == lb->brd_module)
return;
pwr_cyc[pwr_cyc_indx] = lb;
pwr_cyc_indx++;
}
int
search_early_init(lboard_t *lb, void *arg, void *result)
{
klcpu_t *cpuinfo;
if (lb->brd_type != KLTYPE_IP27)
return 1;
cpuinfo = (klcpu_t *) find_component(lb, NULL, KLSTRUCT_CPU);
if (cpuinfo && !(cpuinfo->cpu_info.flags & KLINFO_ENABLE) &&
(cpuinfo->cpu_info.diagval == KLDIAG_EARLYINIT_FAILED)) {
add_pwr_cyc(lb);
return 1;
}
cpuinfo = (klcpu_t *) find_component(lb, (klinfo_t *) cpuinfo,
KLSTRUCT_CPU);
if (cpuinfo && !(cpuinfo->cpu_info.flags & KLINFO_ENABLE) &&
(cpuinfo->cpu_info.diagval == KLDIAG_EARLYINIT_FAILED))
add_pwr_cyc(lb);
return 1;
}
void ei_pwr_cycle_module(void)
{
io6prom_elsc_init();
us_delay(200000);
elsc_power_cycle(get_elsc());
}
static int
ei_pwr_cycle(lboard_t *lb)
{
lboard_t *mod_brds[NODESLOTS_PER_MODULE];
int i;
if (module_brds(lb->brd_nasid, mod_brds, NODESLOTS_PER_MODULE) < 0)
return -1;
for (i = 0; i < NODESLOTS_PER_MODULE; i++)
if (mod_brds[i]) {
klcpu_t *cpuinfo;
cpuinfo = (klcpu_t *) find_component(mod_brds[i],
NULL, KLSTRUCT_CPU);
if (cpuinfo && (cpuinfo->cpu_info.flags &
KLINFO_ENABLE)) {
LAUNCH_SLAVE(mod_brds[i]->brd_nasid,
cpuinfo->cpu_info.physid,
(launch_proc_t) PHYS_TO_K0(kvtophys((void *)
ei_pwr_cycle_launch)), get_nasid(),
(void *) TO_NODE(mod_brds[i]->brd_nasid,
IP27PROM_STACK_A + 1024), 0);
return 0;
}
cpuinfo = (klcpu_t *) find_component(mod_brds[i],
(klinfo_t *) cpuinfo, KLSTRUCT_CPU);
if (cpuinfo && (cpuinfo->cpu_info.flags &
KLINFO_ENABLE)) {
LAUNCH_SLAVE(mod_brds[i]->brd_nasid,
cpuinfo->cpu_info.physid,
(launch_proc_t) PHYS_TO_K0(kvtophys((void *)
ei_pwr_cycle_launch)), get_nasid(),
(void *) TO_NODE(mod_brds[i]->brd_nasid,
IP27PROM_STACK_A + 1024), 0);
return 0;
}
}
return -1;
}
#define EARLY_INIT_MAX_CNT 3
void
check_early_init(void)
{
int i, self = 0;
moduleid_t module;
char ea_cnt;
if (SN00) {
char buf[4];
ip27log_getenv(get_nasid(), IP27LOG_MODULE_KEY, buf, "1", 0);
module = atoi(buf);
}
else
module = elsc_module_get(get_elsc());
visit_lboard(search_early_init, NULL, NULL);
if (!pwr_cyc_indx) {
set_nvreg(NVOFF_EA_CNT, 0);
update_checksum();
return;
}
else if ((ea_cnt = get_nvreg(NVOFF_EA_CNT)) >= EARLY_INIT_MAX_CNT) {
printf("\nWARNING: Some CPUs failed during early init. Failed" " to start up CPUs\n");
return;
}
set_nvreg(NVOFF_EA_CNT, ea_cnt + 1);
update_checksum();
printf("\nWARNING: Some CPUs failed during early init. Power cycling "
"affected modules (Try %d of %d)\n", ea_cnt + 1,
EARLY_INIT_MAX_CNT);
for (i = 0; i < pwr_cyc_indx; i++)
if (pwr_cyc[i]->brd_module == module)
self = 1;
else if (ei_pwr_cycle(pwr_cyc[i]) < 0)
printf("WARNING: /hw/module/%d/slot/n%d/cpu: Failed "
"early init. Please power cycle manually\n",
pwr_cyc[i]->brd_module,
SLOTNUM_GETSLOT(pwr_cyc[i]->brd_slot));
if (self) {
us_delay(200000);
elsc_power_cycle(get_elsc());
}
}
#endif
#define SAVE_CLEAR_FENCE 1
#define RESTORE_FENCE 2
#define PART_REBOOT_WAIT 180
struct save_fence_s {
__uint64_t vector ;
sn0drv_fence_t fence ;
} *sf ;
static int sfcnt ;
void
do_rou_reg(klrou_t *klr, struct save_fence_s *sfp, int flag)
{
__uint64_t value ;
int port ;
int err ;
sfp->vector = klr->rou_vector ;
if (flag == SAVE_CLEAR_FENCE) {
err = vector_read_node(sfp->vector, get_nasid(), 0,
RR_PROT_CONF, &value);
if (err<0)
return ;
sfp->fence.local_blk.reg = value ;
err = vector_write_node(sfp->vector, get_nasid(), 0,
RR_PROT_CONF, value|0x3f);
if (err != NET_ERROR_NONE)
return ;
}
ForEachRouterPort(port) {
if (klr->rou_port[port].port_nasid == INVALID_NASID)
continue ;
if (flag == SAVE_CLEAR_FENCE) {
err = vector_read_node(sfp->vector, get_nasid(), 0,
RR_RESET_MASK(port), &value);
if (err<0)
continue ;
sfp->fence.ports[port-1].reg = value ;
err = vector_write_node(sfp->vector, get_nasid(), 0,
RR_RESET_MASK(port), value|0x3f);
if (err != NET_ERROR_NONE)
return ;
}
}
}
int
vlb_do_router_fences(lboard_t *lb, void *ap, void *rp)
{
klrou_t *klr ;
lboard_t *myip27 ;
/* Do nothing with META ROUTERS XXX */
if (KLCLASS(lb->brd_type) == KLCLASS_ROUTER) {
#ifdef LONG_POLE_128P
/* This is one of the alternatives to read and store
* the status of the meta router port fences. It works
* OK, but under certain h/w configs the system freezes
* if we type unix at the io6prom prompt. To be investigated.
*/
if (lb->brd_type == KLTYPE_META_ROUTER) {
printf("M.R = %llx\n", lb->brd_nic) ;
if (myip27 = find_lboard((lboard_t *)
KL_CONFIG_INFO(get_nasid()), KLTYPE_IP27)) {
net_vec_t vec ;
vec = klcfg_discover_route(myip27, lb, 0) ;
if (vec != NET_VEC_BAD)
printf("M.R. vec = %llx\n", vec) ;
else
printf("M.R. bad vec\n") ;
}
}
#endif /* LONG_POLE_128P */
if ((klr = (klrou_t *)find_first_component(lb, KLSTRUCT_ROU))){
do_rou_reg(klr, &sf[sfcnt++], *(int *)ap) ;
}
}
return 1 ;
}
void
do_router_fences(int flag)
{
int i, err, port ;
int num_rou = num_nodes/2 + num_nodes ;
/* normal routers + meta routers */
if (flag == SAVE_CLEAR_FENCE) {
sf = (struct save_fence_s *) malloc(
sizeof(struct save_fence_s) * num_rou) ;
if (sf == NULL)
return ;
visit_lboard(vlb_do_router_fences, (void *)&flag, NULL) ;
return ;
}
#ifdef DEBUG
printf("No of vectors restored = %d\n", sfcnt) ;
#endif
if (flag == RESTORE_FENCE) {
for (i=0; i<sfcnt; i++) {
err = vector_write_node(sf[i].vector ,
get_nasid(), 0 ,
RR_PROT_CONF ,
sf[i].fence.local_blk.reg) ;
if (err != NET_ERROR_NONE)
return ;
ForEachRouterPort(port) {
err = vector_write_node(sf[i].vector ,
get_nasid(), 0 ,
RR_RESET_MASK(port),
sf[i].fence.ports[port-1].reg) ;
if (err != NET_ERROR_NONE)
return ;
}
}
}
}
jmp_buf part_reboot_buf ;
static void
part_reboot_intr()
{
printf("\n") ;
Signal (SIGALRM, SIGIgnore);
longjmp (part_reboot_buf, 1);
}
void
check_part_reboot(void)
{
char part_reboot ;
int cnt=PART_REBOOT_WAIT ;
kldir_ent_t *kld ;
klp_t *klp ;
unsigned char *cp ;
char buf[8] ;
ULONG ttycnt ;
char c ;
/* Lets change the state of the KLDIR entry to prom now. */
kld = KLD_KERN_PARTID(get_nasid()) ;
klp = (klp_t *)kld->pointer ;
klp->klp_state = KLP_STATE_PROM ;
/* Do we have to do it */
part_reboot = get_nvreg(NVOFF_RESTART) ;
#ifdef LONG_POLE_128P
/*
* During debug, we may want to optionally do this stuff. */
*/
printf("Part reboot stuff? ") ;
if ((c = getchar()) == 'y')
part_reboot = 0xe ;
#endif
if (part_reboot == 0xe) {
/* We have seen this once. Clear it. */
set_nvreg(NVOFF_RESTART, 0) ;
update_checksum();
/* Clear all our fences so that another part may reset us. */
do_router_fences(SAVE_CLEAR_FENCE) ;
/* Wait for secs */
printf("Waiting %d secs for reset from remote partition.\n",
cnt) ;
printf("If this seems to be wrong, Please hit ctrl-C to "
"go back to ioprom prompt.\n") ;
Signal (SIGINT, part_reboot_intr);
while (cnt--) {
printf(". ") ;
#if 0
/* Failed attempt at doing async io in prom. */
if (gets(buf) && (*buf == CTRL('c')))
break ;
ttycnt = 0 ;
Read(0, buf, 1, &ttycnt) ;
if (ttycnt == 1) {
printf("%x\n", *buf) ;
if (*buf == CTRL('c'))
break ;
}
#endif
if (setjmp(part_reboot_buf))
break ;
us_delay(1000000L) ;
}
printf("\n") ;
/* If we reach here, no one reset us. Put back the
fences and go to prom menu. XXX */
printf("Timed out waiting for remote partition reboot.\n") ;
printf("If this shutdown was due to mkpart command you will\n"
"need to reset the system manually when the other\n"
"partitions are reset.\n") ;
do_router_fences(RESTORE_FENCE) ;
}
}
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