boston.c revision d58fda4376e4bf67072ce2e69f6f47036f9dbb68
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro/*
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * Use is subject to license terms.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro#pragma ident "%Z%%M% %I% %E% SMI"
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro#include <sys/param.h>
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro#include <sys/systm.h>
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro#include <sys/sysmacros.h>
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro#include <sys/sunddi.h>
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro#include <sys/esunddi.h>
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro#include <sys/platform_module.h>
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro#include <sys/errno.h>
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro#include <sys/cpu_sgnblk_defs.h>
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro#include <sys/rmc_comm_dp.h>
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro#include <sys/rmc_comm_drvintf.h>
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro#include <sys/modctl.h>
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro#include <sys/lgrp.h>
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro#include <sys/memnode.h>
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro#include <sys/promif.h>
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro#define SHARED_MI2CV_PATH "/i2c@1f,520000"
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbelorostatic dev_info_t *shared_mi2cv_dip;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbelorostatic kmutex_t mi2cv_mutex;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloroint (*p2get_mem_unum)(int, uint64_t, char *, int, int *);
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbelorostatic void cpu_sgn_update(ushort_t, uchar_t, uchar_t, int);
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloroint (*rmc_req_now)(rmc_comm_msg_t *, uint8_t) = NULL;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbelorovoid
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbelorostartup_platform(void)
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro{
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro mutex_init(&mi2cv_mutex, NULL, NULL, NULL);
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro}
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloroint
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloroset_platform_tsb_spares()
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro{
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro return (0);
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro}
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbelorovoid
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloroset_platform_defaults(void)
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro{
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro extern char *tod_module_name;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro /* Set appropriate tod module */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro if (tod_module_name == NULL)
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro tod_module_name = "todm5823";
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro cpu_sgn_func = cpu_sgn_update;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro}
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro/*
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * Definitions for accessing the pci config space of the isa node
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * of Southbridge.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbelorostatic ddi_acc_handle_t isa_handle = NULL; /* handle for isa pci space */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro/*
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * Definition for accessing rmclomv
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro#define RMCLOMV_PATHNAME "/pseudo/rmclomv@0"
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbelorovoid
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloroload_platform_drivers(void)
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro{
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro /*
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * It is OK to return error because 'us' driver is not available
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * in all clusters (e.g. missing in Core cluster).
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro (void) i_ddi_attach_hw_nodes("us");
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro /*
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * mc-us3i must stay loaded for plat_get_mem_unum()
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro if (i_ddi_attach_hw_nodes("mc-us3i") != DDI_SUCCESS)
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro cmn_err(CE_WARN, "mc-us3i driver failed to install");
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro (void) ddi_hold_driver(ddi_name_to_major("mc-us3i"));
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro /*
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * load the power button driver
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro if (i_ddi_attach_hw_nodes("power") != DDI_SUCCESS)
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro cmn_err(CE_WARN, "power button driver failed to install");
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro (void) ddi_hold_driver(ddi_name_to_major("power"));
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro /*
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * load the GPIO driver for the ALOM reset and watchdog lines
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro if (i_ddi_attach_hw_nodes("pmugpio") != DDI_SUCCESS)
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro cmn_err(CE_WARN, "pmugpio failed to install");
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro else {
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro extern int watchdog_enable, watchdog_available;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro extern int disable_watchdog_on_exit;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro /*
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * Disable an active h/w watchdog timer upon exit to OBP.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro disable_watchdog_on_exit = 1;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro watchdog_enable = 1;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro watchdog_available = 1;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro }
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro (void) ddi_hold_driver(ddi_name_to_major("pmugpio"));
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro /*
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * Figure out which mi2cv dip is shared with OBP for the nvram
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * device, so the lock can be acquired.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro shared_mi2cv_dip = e_ddi_hold_devi_by_path(SHARED_MI2CV_PATH, 0);
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro /*
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * Load the environmentals driver (rmclomv)
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro *
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * We need this driver to handle events from the RMC when state
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * changes occur in the environmental data.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro if (i_ddi_attach_hw_nodes("rmc_comm") != DDI_SUCCESS) {
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro cmn_err(CE_WARN, "rmc_comm failed to install");
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro } else {
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro (void) ddi_hold_driver(ddi_name_to_major("rmc_comm"));
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro if (e_ddi_hold_devi_by_path(RMCLOMV_PATHNAME, 0) == NULL) {
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro cmn_err(CE_WARN, "Could not install rmclomv driver\n");
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro }
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro }
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro /*
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * create a handle to the rmc_comm_request_nowait() function
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * inside the rmc_comm module.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro *
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * The Seattle/Boston todm5823 driver will use this handle to
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * use the rmc_comm_request_nowait() function to send time/date
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * updates to ALOM.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro rmc_req_now = (int (*)(rmc_comm_msg_t *, uint8_t))
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro modgetsymvalue("rmc_comm_request_nowait", 0);
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro}
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro/*
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * This routine is needed if a device error or timeout occurs before the
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * driver is loaded.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro/*ARGSUSED*/
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloroint
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloroplat_ide_chipreset(dev_info_t *dip, int chno)
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro{
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro int ret = DDI_SUCCESS;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro if (isa_handle == NULL) {
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro return (DDI_FAILURE);
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro }
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro /*
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * This will be filled in with the reset logic
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * for the ULI1573 when that becomes available.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * currently this is just a stub.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro return (ret);
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro}
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro/*ARGSUSED*/
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloroint
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloroplat_cpu_poweron(struct cpu *cp)
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro{
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro return (ENOTSUP); /* not supported on this platform */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro}
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro/*ARGSUSED*/
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloroint
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloroplat_cpu_poweroff(struct cpu *cp)
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro{
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro return (ENOTSUP); /* not supported on this platform */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro}
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro/*ARGSUSED*/
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbelorovoid
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloroplat_freelist_process(int mnode)
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro{
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro}
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbelorochar *platform_module_list[] = {
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro "mi2cv",
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro "pca9556",
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro (char *)0
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro};
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro/*ARGSUSED*/
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbelorovoid
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloroplat_tod_fault(enum tod_fault_type tod_bad)
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro{
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro}
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro/*ARGSUSED*/
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloroint
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloroplat_get_mem_unum(int synd_code, uint64_t flt_addr, int flt_bus_id,
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro int flt_in_memory, ushort_t flt_status, char *buf, int buflen, int *lenp)
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro{
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro if (flt_in_memory && (p2get_mem_unum != NULL))
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro return (p2get_mem_unum(synd_code, P2ALIGN(flt_addr, 8),
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro buf, buflen, lenp));
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro else
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro return (ENOTSUP);
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro}
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro/*
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * This platform hook gets called from mc_add_mem_unum_label() in the mc-us3i
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * driver giving each platform the opportunity to add platform
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * specific label information to the unum for ECC error logging purposes.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro/*ARGSUSED*/
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbelorovoid
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloroplat_add_mem_unum_label(char *unum, int mcid, int bank, int dimm)
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro{
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro char old_unum[UNUM_NAMLEN];
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro int printed;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro int buflen = UNUM_NAMLEN;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro strcpy(old_unum, unum);
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro printed = snprintf(unum, buflen, "C%d/P0/B%d", mcid, bank);
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro buflen -= printed;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro unum += printed;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro if (dimm != -1) {
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro printed = snprintf(unum, buflen, "/D%d", dimm);
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro buflen -= printed;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro unum += printed;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro }
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro snprintf(unum, buflen, ": %s", old_unum);
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro}
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro/*ARGSUSED*/
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloroint
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloroplat_get_cpu_unum(int cpuid, char *buf, int buflen, int *lenp)
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro{
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro if (snprintf(buf, buflen, "MB") >= buflen) {
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro return (ENOSPC);
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro } else {
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro *lenp = strlen(buf);
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro return (0);
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro }
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro}
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro/*
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * Our nodename has been set, pass it along to the RMC.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbelorovoid
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloroplat_nodename_set(void)
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro{
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro rmc_comm_msg_t req; /* request */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro int (*rmc_req_res)(rmc_comm_msg_t *, rmc_comm_msg_t *, time_t) = NULL;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro /*
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * find the symbol for the mailbox routine
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro rmc_req_res = (int (*)(rmc_comm_msg_t *, rmc_comm_msg_t *, time_t))
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro modgetsymvalue("rmc_comm_request_response", 0);
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro if (rmc_req_res == NULL) {
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro return;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro }
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro /*
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * construct the message telling the RMC our nodename
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro req.msg_type = DP_SET_CPU_NODENAME;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro req.msg_len = strlen(utsname.nodename) + 1;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro req.msg_bytes = 0;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro req.msg_buf = (caddr_t)utsname.nodename;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro /*
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * ship it
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro (void) (rmc_req_res)(&req, NULL, 2000);
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro}
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbelorosig_state_t current_sgn;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro/*
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * cpu signatures - we're only interested in the overall system
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * "signature" on this platform - not individual cpu signatures
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro/*ARGSUSED*/
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbelorostatic void
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbelorocpu_sgn_update(ushort_t sig, uchar_t state, uchar_t sub_state, int cpuid)
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro{
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro dp_cpu_signature_t signature;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro rmc_comm_msg_t req; /* request */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro int (*rmc_req_res)(rmc_comm_msg_t *, rmc_comm_msg_t *, time_t) = NULL;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro int (*rmc_req_now)(rmc_comm_msg_t *, uint8_t) = NULL;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro /*
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * Differentiate a panic reboot from a non-panic reboot in the
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * setting of the substate of the signature.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro *
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * If the new substate is REBOOT and we're rebooting due to a panic,
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * then set the new substate to a special value indicating a panic
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * reboot, SIGSUBST_PANIC_REBOOT.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro *
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * A panic reboot is detected by a current (previous) signature
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * state of SIGST_EXIT, and a new signature substate of SIGSUBST_REBOOT.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * The domain signature state SIGST_EXIT is used as the panic flow
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * progresses.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro *
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * At the end of the panic flow, the reboot occurs but we should know
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * one that was involuntary, something that may be quite useful to know
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * at OBP level.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro if (state == SIGST_EXIT && sub_state == SIGSUBST_REBOOT) {
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro if (current_sgn.state_t.state == SIGST_EXIT &&
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro current_sgn.state_t.sub_state != SIGSUBST_REBOOT)
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro sub_state = SIGSUBST_PANIC_REBOOT;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro }
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro /*
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * offline and detached states only apply to a specific cpu
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * so ignore them.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro if (state == SIGST_OFFLINE || state == SIGST_DETACHED) {
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro return;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro }
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro current_sgn.signature = CPU_SIG_BLD(sig, state, sub_state);
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro /*
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * find the symbol for the mailbox routine
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro rmc_req_res = (int (*)(rmc_comm_msg_t *, rmc_comm_msg_t *, time_t))
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro modgetsymvalue("rmc_comm_request_response", 0);
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro if (rmc_req_res == NULL) {
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro return;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro }
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro /*
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * find the symbol for the mailbox routine
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro rmc_req_now = (int (*)(rmc_comm_msg_t *, uint8_t))
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro modgetsymvalue("rmc_comm_request_nowait", 0);
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro if (rmc_req_now == NULL) {
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro return;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro }
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro signature.cpu_id = -1;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro signature.sig = sig;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro signature.states = state;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro signature.sub_state = sub_state;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro req.msg_type = DP_SET_CPU_SIGNATURE;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro req.msg_len = (int)(sizeof (signature));
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro req.msg_bytes = 0;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro req.msg_buf = (caddr_t)&signature;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro /*
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * ship it
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * - note that for panic or reboot need to send with nowait/urgent
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro if (state == SIGST_EXIT && (sub_state == SIGSUBST_HALT ||
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro sub_state == SIGSUBST_REBOOT || sub_state == SIGSUBST_ENVIRON ||
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro sub_state == SIGSUBST_PANIC_REBOOT))
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro (void) (rmc_req_now)(&req, RMC_COMM_DREQ_URGENT);
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro else
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro (void) (rmc_req_res)(&req, NULL, 2000);
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro}
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro/*
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * Fiesta support for lgroups.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro *
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * On fiesta platform, an lgroup platform handle == CPU id
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro/*
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * Macro for extracting the CPU number from the CPU id
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro#define CPUID_TO_LGRP(id) ((id) & 0x7)
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro#define PLATFORM_MC_SHIFT 36
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro/*
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * Return the platform handle for the lgroup containing the given CPU
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbelorovoid *
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloroplat_lgrp_cpu_to_hand(processorid_t id)
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro{
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro return ((void *) CPUID_TO_LGRP(id));
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro}
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro/*
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * Platform specific lgroup initialization
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbelorovoid
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloroplat_lgrp_init(void)
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro{
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro pnode_t curnode;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro char tmp_name[MAXSYSNAME];
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro int portid;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro int cpucnt = 0;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro int max_portid = -1;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro extern uint32_t lgrp_expand_proc_thresh;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro extern uint32_t lgrp_expand_proc_diff;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro extern pgcnt_t lgrp_mem_free_thresh;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro extern uint32_t lgrp_loadavg_tolerance;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro extern uint32_t lgrp_loadavg_max_effect;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro extern uint32_t lgrp_load_thresh;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro extern lgrp_mem_policy_t lgrp_mem_policy_root;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro /*
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * Count the number of CPUs installed to determine if
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * NUMA optimization should be enabled or not.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro *
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * All CPU nodes reside in the root node and have a
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * device type "cpu".
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro curnode = prom_rootnode();
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro for (curnode = prom_childnode(curnode); curnode;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro curnode = prom_nextnode(curnode)) {
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro bzero(tmp_name, MAXSYSNAME);
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro if (prom_getproplen(curnode, OBP_NAME) < MAXSYSNAME) {
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro if (prom_getprop(curnode, OBP_NAME,
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro (caddr_t)tmp_name) == -1 || prom_getprop(curnode,
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro OBP_DEVICETYPE, tmp_name) == -1 || strcmp(tmp_name,
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro "cpu") != 0)
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro continue;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro cpucnt++;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro if (prom_getprop(curnode, "portid", (caddr_t)&portid) !=
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro -1 && portid > max_portid)
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro max_portid = portid;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro }
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro }
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro if (cpucnt <= 1)
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro max_mem_nodes = 1;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro else if (max_portid >= 0 && max_portid < MAX_MEM_NODES)
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro max_mem_nodes = max_portid + 1;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro /*
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * Set tuneables for fiesta architecture
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro *
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * lgrp_expand_proc_thresh is the minimum load on the lgroups
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * this process is currently running on before considering
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * expanding threads to another lgroup.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro *
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * lgrp_expand_proc_diff determines how much less the remote lgroup
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * must be loaded before expanding to it.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro *
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * Optimize for memory bandwidth by spreading multi-threaded
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * program to different lgroups.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro lgrp_expand_proc_thresh = lgrp_loadavg_max_effect - 1;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro lgrp_expand_proc_diff = lgrp_loadavg_max_effect / 2;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro lgrp_loadavg_tolerance = lgrp_loadavg_max_effect / 2;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro lgrp_mem_free_thresh = 1; /* home lgrp must have some memory */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro lgrp_expand_proc_thresh = lgrp_loadavg_max_effect - 1;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro lgrp_mem_policy_root = LGRP_MEM_POLICY_NEXT;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro lgrp_load_thresh = 0;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro mem_node_pfn_shift = PLATFORM_MC_SHIFT - MMU_PAGESHIFT;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro}
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro/*
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * Return latency between "from" and "to" lgroups
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro *
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * This latency number can only be used for relative comparison
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * between lgroups on the running system, cannot be used across platforms,
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * and may not reflect the actual latency. It is platform and implementation
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * specific, so platform gets to decide its value. It would be nice if the
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * number was at least proportional to make comparisons more meaningful though.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * NOTE: The numbers below are supposed to be load latencies for uncached
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * memory divided by 10.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloroint
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloroplat_lgrp_latency(void *from, void *to)
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro{
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro /*
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * Return remote latency when there are more than two lgroups
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * (root and child) and getting latency between two different
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * lgroups or root is involved
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro if (lgrp_optimizations() && (from != to || from ==
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro (void *) LGRP_DEFAULT_HANDLE || to == (void *) LGRP_DEFAULT_HANDLE))
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro return (17);
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro else
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro return (12);
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro}
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloroint
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloroplat_pfn_to_mem_node(pfn_t pfn)
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro{
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro ASSERT(max_mem_nodes > 1);
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro return (pfn >> mem_node_pfn_shift);
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro}
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro/*
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * Assign memnode to lgroups
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbelorovoid
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloroplat_fill_mc(pnode_t nodeid)
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro{
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro int portid;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro /*
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * Memory controller portid == global CPU id
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro if ((prom_getprop(nodeid, "portid", (caddr_t)&portid) == -1) ||
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro (portid < 0))
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro return;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro if (portid < max_mem_nodes)
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro plat_assign_lgrphand_to_mem_node((lgrp_handle_t)portid, portid);
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro}
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro/* ARGSUSED */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbelorovoid
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloroplat_build_mem_nodes(u_longlong_t *list, size_t nelems)
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro{
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro size_t elem;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro pfn_t basepfn;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro pgcnt_t npgs;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro /*
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * Boot install lists are arranged <addr, len>, <addr, len>, ...
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro for (elem = 0; elem < nelems; elem += 2) {
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro basepfn = btop(list[elem]);
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro npgs = btop(list[elem+1]);
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro mem_node_add_slice(basepfn, basepfn + npgs - 1);
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro }
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro}
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro/*
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * Common locking enter code
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbelorovoid
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloroplat_setprop_enter(void)
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro{
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro mutex_enter(&mi2cv_mutex);
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro}
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro/*
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * Common locking exit code
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbelorovoid
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloroplat_setprop_exit(void)
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro{
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro mutex_exit(&mi2cv_mutex);
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro}
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro/*
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * Called by mi2cv driver
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbelorovoid
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloroplat_shared_i2c_enter(dev_info_t *i2cnexus_dip)
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro{
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro if (i2cnexus_dip == shared_mi2cv_dip) {
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro plat_setprop_enter();
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro }
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro}
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro/*
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * Called by mi2cv driver
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbelorovoid
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloroplat_shared_i2c_exit(dev_info_t *i2cnexus_dip)
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro{
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro if (i2cnexus_dip == shared_mi2cv_dip) {
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro plat_setprop_exit();
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro }
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro}
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro/*
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * Called by todm5823 driver
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbelorovoid
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloroplat_rmc_comm_req(struct rmc_comm_msg *request)
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro{
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro if (rmc_req_now)
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro (void) rmc_req_now(request, 0);
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro}