diff options
Diffstat (limited to 'usr/src/uts/common/os/sunpm.c')
| -rw-r--r-- | usr/src/uts/common/os/sunpm.c | 193 |
1 files changed, 172 insertions, 21 deletions
diff --git a/usr/src/uts/common/os/sunpm.c b/usr/src/uts/common/os/sunpm.c index 9c89cf3637..40338e4fcf 100644 --- a/usr/src/uts/common/os/sunpm.c +++ b/usr/src/uts/common/os/sunpm.c @@ -174,6 +174,11 @@ #include <sys/disp.h> #include <sys/sobject.h> #include <sys/sunmdi.h> +#include <sys/systm.h> +#include <sys/cpuvar.h> +#include <sys/cyclic.h> +#include <sys/uadmin.h> +#include <sys/srn.h> /* @@ -341,6 +346,37 @@ int autopm_enabled; pm_cpupm_t cpupm = PM_CPUPM_NOTSET; /* + * AutoS3 depends on autopm being enabled, and must be enabled by + * PM_START_AUTOS3 command. + */ +int autoS3_enabled; + +#if !defined(__sparc) +/* + * on sparc these live in fillsysinfo.c + * + * If this variable is non-zero, cpr should return "not supported" when + * it is queried even though it would normally be supported on this platform. + */ +int cpr_supported_override; + +/* + * Some platforms may need to support CPR even in the absence of + * having the correct platform id information. If this + * variable is non-zero, cpr should proceed even in the absence + * of otherwise being qualified. + */ +int cpr_platform_enable = 0; + +#endif + +/* + * pm_S3_enabled indicates that we believe the platform can support S3, + * which we get from pmconfig(1M) + */ +int pm_S3_enabled; + +/* * This flag is true while processes are stopped for a checkpoint/resume. * Controlling processes of direct pm'd devices are not available to * participate in power level changes, so we bypass them when this is set. @@ -352,6 +388,7 @@ static int pm_processes_stopped; /* * see common/sys/epm.h for PMD_* values */ + uint_t pm_debug = 0; /* @@ -364,6 +401,7 @@ uint_t pm_debug = 0; * deadlocks and decremented at the end of pm_set_power() */ uint_t pm_divertdebug = 1; +volatile uint_t pm_debug_to_console = 0; kmutex_t pm_debug_lock; /* protects pm_divertdebug */ void prdeps(char *); @@ -410,6 +448,13 @@ uint_t pm_poll_cnt[PM_MAX_CLONE]; /* count of events for poll */ unsigned char pm_interest[PM_MAX_CLONE]; struct pollhead pm_pollhead; +/* + * Data structures shared with common/io/srn.c + */ +kmutex_t srn_clone_lock; /* protects srn_signal, srn_inuse */ +void (*srn_signal)(int type, int event); +int srn_inuse; /* stop srn detach */ + extern int hz; extern char *platform_module_list[]; @@ -447,7 +492,6 @@ pscc_t *pm_pscc_direct; #define PM_IS_NEXUS(dip) NEXUS_DRV(devopsp[PM_MAJOR(dip)]) #define POWERING_ON(old, new) ((old) == 0 && (new) != 0) #define POWERING_OFF(old, new) ((old) != 0 && (new) == 0) -#define PPM(dip) ((dev_info_t *)DEVI(dip)->devi_pm_ppm) #define PM_INCR_NOTLOWEST(dip) { \ mutex_enter(&pm_compcnt_lock); \ @@ -510,14 +554,14 @@ typedef struct lock_loan { static lock_loan_t lock_loan_head; /* list head is a dummy element */ #ifdef DEBUG -#ifdef PMDDEBUG +#ifdef PMDDEBUG #define PMD_FUNC(func, name) char *(func) = (name); -#else +#else /* !PMDDEBUG */ #define PMD_FUNC(func, name) -#endif -#else +#endif /* PMDDEBUG */ +#else /* !DEBUG */ #define PMD_FUNC(func, name) -#endif +#endif /* DEBUG */ /* @@ -607,7 +651,7 @@ static boolean_t pm_halt_callb(void *arg, int code) { _NOTE(ARGUNUSED(arg, code)) - return (B_TRUE); /* XXX for now */ + return (B_TRUE); } /* @@ -2057,6 +2101,25 @@ pm_ppm_notify_all_lowest(dev_info_t *dip, int mode) (void) pm_ctlops((dev_info_t *)ppmcp->ppmc_dip, dip, DDI_CTLOPS_POWER, &power_req, &result); mutex_exit(&ppm_lock); + if (mode == PM_ALL_LOWEST) { + if (autoS3_enabled) { + PMD(PMD_SX, ("pm_ppm_notify_all_lowest triggering " + "autos3\n")) + mutex_enter(&srn_clone_lock); + if (srn_signal) { + srn_inuse++; + PMD(PMD_SX, ("(*srn_signal)(AUTOSX, 3)\n")) + (*srn_signal)(SRN_TYPE_AUTOSX, 3); + srn_inuse--; + } else { + PMD(PMD_SX, ("srn_signal NULL\n")) + } + mutex_exit(&srn_clone_lock); + } else { + PMD(PMD_SX, ("pm_ppm_notify_all_lowest autos3 " + "disabled\n")); + } + } } static void @@ -3161,10 +3224,11 @@ pm_register_ppm(int (*func)(dev_info_t *), dev_info_t *dip) if (i >= MAX_PPM_HANDLERS) return (DDI_FAILURE); while ((dip = ddi_get_parent(dip)) != NULL) { - if (PM_GET_PM_INFO(dip) == NULL) + if (dip != ddi_root_node() && PM_GET_PM_INFO(dip) == NULL) continue; pm_ppm_claim(dip); - if (pm_ppm_claimed(dip)) { + /* don't bother with the not power-manageable nodes */ + if (pm_ppm_claimed(dip) && PM_GET_PM_INFO(dip)) { /* * Tell ppm about this. */ @@ -7549,7 +7613,7 @@ pm_cfb_setup(const char *stdout_path) * IF console is fb and is power managed, don't do prom_printfs from * pm debug macro */ - if (pm_cfb_enabled) { + if (pm_cfb_enabled && !pm_debug_to_console) { if (pm_debug) prom_printf("pm debug output will be to log only\n"); pm_divertdebug++; @@ -7652,14 +7716,16 @@ pm_cfb_setup_intr(void) extern void prom_set_outfuncs(void (*)(void), void (*)(void)); void pm_cfb_check_and_powerup(void); + mutex_init(&pm_cfb_lock, NULL, MUTEX_SPIN, (void *)ipltospl(SPL8)); +#ifdef PMDDEBUG + mutex_init(&pm_debug_lock, NULL, MUTEX_SPIN, (void *)ipltospl(SPL8)); +#endif + if (!stdout_is_framebuffer) { PMD(PMD_CFB, ("%s: console not fb\n", pmf)) return; } - mutex_init(&pm_cfb_lock, NULL, MUTEX_SPIN, (void *)ipltospl(SPL8)); -#ifdef DEBUG - mutex_init(&pm_debug_lock, NULL, MUTEX_SPIN, (void *)ipltospl(SPL8)); -#endif + /* * setup software interrupt handler */ @@ -7811,14 +7877,26 @@ pm_path_to_major(char *path) } #ifdef DEBUG +#ifndef sparc +clock_t pt_sleep = 1; +#endif -char *pm_msgp; -char *pm_bufend; -char *pm_msgbuf = NULL; -int pm_logpages = 2; +char *pm_msgp; +char *pm_bufend; +char *pm_msgbuf = NULL; +int pm_logpages = 0x100; +#include <sys/sunldi.h> +#include <sys/uio.h> +clock_t pm_log_sleep = 1000; +int pm_extra_cr = 1; +volatile int pm_tty = 1; #define PMLOGPGS pm_logpages +#if defined(__x86) +void pm_printf(char *s); +#endif + /*PRINTFLIKE1*/ void pm_log(const char *fmt, ...) @@ -7841,15 +7919,30 @@ pm_log(const char *fmt, ...) (void) vsnprintf(pm_msgbuf, size, fmt, adx); if (!pm_divertdebug) prom_printf("%s", pm_msgp); +#if defined(__x86) + if (pm_tty) { + pm_printf(pm_msgp); + if (pm_extra_cr) + pm_printf("\r"); + } +#endif pm_msgp = pm_msgbuf + size; } else { (void) vsnprintf(pm_msgp, size, fmt, adx); +#if defined(__x86) + if (pm_tty) { + pm_printf(pm_msgp); + if (pm_extra_cr) + pm_printf("\r"); + } +#endif if (!pm_divertdebug) prom_printf("%s", pm_msgp); pm_msgp += size; } va_end(adx); mutex_exit(&pm_debug_lock); + drv_usecwait((clock_t)pm_log_sleep); } #endif /* DEBUG */ @@ -9108,16 +9201,19 @@ pm_desc_pwrchk_walk(dev_info_t *dip, void *arg) PMD_FUNC(pmf, "desc_pwrchk") pm_desc_pwrchk_t *pdpchk = (pm_desc_pwrchk_t *)arg; pm_info_t *info = PM_GET_PM_INFO(dip); - int i, curpwr, ce_level; + int i; + /* LINTED */ + int curpwr, ce_level; if (!info) return (DDI_WALK_CONTINUE); PMD(PMD_SET, ("%s: %s@%s(%s#%d)\n", pmf, PM_DEVICE(dip))) for (i = 0; i < PM_NUMCMPTS(dip); i++) { - curpwr = PM_CURPOWER(dip, i); - if (curpwr == 0) + /* LINTED */ + if ((curpwr = PM_CURPOWER(dip, i)) == 0) continue; + /* E_FUNC_SET_NOT_USED */ ce_level = (pdpchk->pdpc_par_involved == 0) ? CE_PANIC : CE_WARN; PMD(PMD_SET, ("%s: %s@%s(%s#%d) is powered off while desc " @@ -9170,3 +9266,58 @@ pm_return_lock(void) mutex_exit(&pm_loan_lock); kmem_free(cur, sizeof (*cur)); } + +#if defined(__x86) + +#define CPR_RXR 0x1 +#define CPR_TXR 0x20 +#define CPR_DATAREG 0x3f8 +#define CPR_LSTAT 0x3fd +#define CPR_INTRCTL 0x3f9 + +char +pm_getchar(void) +{ + while ((inb(CPR_LSTAT) & CPR_RXR) != CPR_RXR) + drv_usecwait(10); + + return (inb(CPR_DATAREG)); + +} + +void +pm_putchar(char c) +{ + while ((inb(CPR_LSTAT) & CPR_TXR) == 0) + drv_usecwait(10); + + outb(CPR_DATAREG, c); +} + +void +pm_printf(char *s) +{ + while (*s) { + pm_putchar(*s++); + } +} + +#endif + +int +pm_ppm_searchlist(pm_searchargs_t *sp) +{ + power_req_t power_req; + int result = 0; + /* LINTED */ + int ret; + + power_req.request_type = PMR_PPM_SEARCH_LIST; + power_req.req.ppm_search_list_req.searchlist = sp; + ASSERT(DEVI(ddi_root_node())->devi_pm_ppm); + ret = pm_ctlops((dev_info_t *)DEVI(ddi_root_node())->devi_pm_ppm, + ddi_root_node(), DDI_CTLOPS_POWER, &power_req, &result); + PMD(PMD_SX, ("pm_ppm_searchlist returns %d, result %d\n", + ret, result)) + return (result); +} |