summaryrefslogtreecommitdiff
path: root/usr/src/uts/common/io/pm.c
diff options
context:
space:
mode:
Diffstat (limited to 'usr/src/uts/common/io/pm.c')
-rw-r--r--usr/src/uts/common/io/pm.c359
1 files changed, 319 insertions, 40 deletions
diff --git a/usr/src/uts/common/io/pm.c b/usr/src/uts/common/io/pm.c
index d4cb7f0da0..42847eecf7 100644
--- a/usr/src/uts/common/io/pm.c
+++ b/usr/src/uts/common/io/pm.c
@@ -56,10 +56,10 @@
#include <sys/policy.h>
/*
- * Minor number is instance<<8 + clone minor from range 1-255; (0 reserved
- * for "original"
+ * Minor number is instance<<8 + clone minor from range 1-254; (0 reserved
+ * for "original")
*/
-#define PM_MINOR_TO_CLONE(minor) ((minor) & (PM_MAX_CLONE - 1))
+#define PM_MINOR_TO_CLONE(minor) ((minor) & (PM_MAX_CLONE -1))
#define PM_NUMCMPTS(dip) (DEVI(dip)->devi_pm_num_components)
#define PM_IS_CFB(dip) (DEVI(dip)->devi_pm_flags & PMC_CONSOLE_FB)
@@ -67,6 +67,8 @@
#define PM_RELE(dip) ddi_release_devi(dip)
#define PM_IDLEDOWN_TIME 10
+#define MAXSMBIOSSTRLEN 64 /* from SMBIOS spec */
+#define MAXCOPYBUF (MAXSMBIOSSTRLEN + 1)
extern kmutex_t pm_scan_lock; /* protects autopm_enable, pm_scans_disabled */
extern kmutex_t pm_clone_lock; /* protects pm_clones array */
@@ -77,6 +79,19 @@ extern int pm_system_idle_threshold;
extern int pm_cpu_idle_threshold;
extern kcondvar_t pm_clones_cv[PM_MAX_CLONE];
extern uint_t pm_poll_cnt[PM_MAX_CLONE];
+extern int autoS3_enabled;
+extern void pm_record_thresh(pm_thresh_rec_t *);
+extern void pm_register_watcher(int, dev_info_t *);
+extern int pm_get_current_power(dev_info_t *, int, int *);
+extern int pm_interest_registered(int);
+extern void pm_all_to_default_thresholds(void);
+extern int pm_current_threshold(dev_info_t *, int, int *);
+extern void pm_deregister_watcher(int, dev_info_t *);
+extern void pm_unrecord_threshold(char *);
+extern int pm_S3_enabled;
+extern int pm_ppm_searchlist(pm_searchargs_t *);
+extern psce_t *pm_psc_clone_to_direct(int);
+extern psce_t *pm_psc_clone_to_interest(int);
/*
* The soft state of the power manager. Since there will only
@@ -181,7 +196,7 @@ pm_attach(dev_info_t *dip, ddi_attach_cmd_t cmd)
pmstp->pm_instance = ddi_get_instance(dip);
if (ddi_create_minor_node(dip, "pm", S_IFCHR,
(pmstp->pm_instance << 8) + 0,
- DDI_PSEUDO, 0) != DDI_SUCCESS) {
+ DDI_PSEUDO, 0) != DDI_SUCCESS) {
return (DDI_FAILURE);
}
pmstp->pm_dip = dip; /* pm_init and getinfo depend on it */
@@ -271,6 +286,7 @@ pm_close_direct_pm_device(dev_info_t *dip, void *arg)
#define NODEP 5
#define DEP 6
#define PM_PSC 7
+#define PM_SRCH 8
#define CHECKPERMS 0x001
#define SU 0x002
@@ -405,6 +421,8 @@ static struct pm_cmd_info pmci[] = {
{PM_RESET_DEVICE_THRESHOLD, "PM_RESET_DEVICE_THRESHOLD", 1, PM_REQ,
INWHO, DIP, NODEP, SU},
{PM_GET_PM_STATE, "PM_GET_PM_STATE", 1, NOSTRUCT},
+ {PM_GET_AUTOS3_STATE, "PM_GET_AUTOS3_STATE", 1, NOSTRUCT},
+ {PM_GET_S3_SUPPORT_STATE, "PM_GET_S3_SUPPORT_STATE", 1, NOSTRUCT},
{PM_GET_DEVICE_TYPE, "PM_GET_DEVICE_TYPE", 1, PM_REQ, INWHO,
DIP, NODEP},
{PM_SET_COMPONENT_THRESHOLDS, "PM_SET_COMPONENT_THRESHOLDS", 1, PM_REQ,
@@ -431,6 +449,14 @@ static struct pm_cmd_info pmci[] = {
{PM_SET_CPU_THRESHOLD, "PM_SET_CPU_THRESHOLD", 1, NOSTRUCT,
0, 0, 0, SU},
{PM_GET_CPUPM_STATE, "PM_GET_CPUPM_STATE", 1, NOSTRUCT},
+ {PM_START_AUTOS3, "PM_START_AUTOS3", 1, NOSTRUCT, 0, 0, 0, SU},
+ {PM_STOP_AUTOS3, "PM_STOP_AUTOS3", 1, NOSTRUCT, 0, 0, 0, SU},
+ {PM_ENABLE_S3, "PM_ENABLE_S3", 1, NOSTRUCT, 0, 0, 0, SU},
+ {PM_DISABLE_S3, "PM_DISABLE_S3", 1, NOSTRUCT, 0, 0, 0, SU},
+ {PM_ENTER_S3, "PM_ENTER_S3", 1, NOSTRUCT, 0, 0, 0, SU},
+ {PM_SEARCH_LIST, "PM_SEARCH_LIST", 1, PM_SRCH, 0, 0, 0, SU},
+ {PM_GET_CMD_NAME, "PM_GET_CMD_NAME", 1, PM_REQ, INDATAOUT, NODIP,
+ NODEP, 0},
{0, NULL}
};
@@ -729,8 +755,6 @@ static void
pm_discard_entries(int clone)
{
psce_t *pscep;
- psce_t *pm_psc_clone_to_direct(int);
- psce_t *pm_psc_clone_to_interest(int);
int direct = 0;
mutex_enter(&pm_clone_lock);
@@ -901,26 +925,21 @@ pm_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *cr, int *rval_p)
size_t wholen; /* copyinstr length */
size_t deplen = MAXNAMELEN;
char *dep, i_dep_buf[MAXNAMELEN];
- char *pathbuf;
+ char pathbuf[MAXNAMELEN];
struct pm_component *cp;
#ifdef _MULTI_DATAMODEL
pm_state_change32_t *pscp32;
pm_state_change32_t psc32;
+ pm_searchargs32_t psa32;
size_t copysize32;
#endif
pm_state_change_t *pscp;
pm_state_change_t psc;
+ pm_searchargs_t psa;
+ char listname[MAXCOPYBUF];
+ char manufacturer[MAXCOPYBUF];
+ char product[MAXCOPYBUF];
size_t copysize;
- extern void pm_record_thresh(pm_thresh_rec_t *);
- psce_t *pm_psc_clone_to_direct(int);
- psce_t *pm_psc_clone_to_interest(int);
- extern void pm_register_watcher(int, dev_info_t *);
- extern int pm_get_current_power(dev_info_t *, int, int *);
- extern int pm_interest_registered(int);
- extern void pm_all_to_default_thresholds(void);
- extern int pm_current_threshold(dev_info_t *, int, int *);
- extern void pm_deregister_watcher(int, dev_info_t *);
- extern void pm_unrecord_threshold(char *);
PMD(PMD_IOCTL, ("ioctl: %s: begin\n", cmdstr))
@@ -955,6 +974,7 @@ pm_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *cr, int *rval_p)
}
switch (pcip->str_type) {
case PM_REQ:
+ {
#ifdef _MULTI_DATAMODEL
if ((mode & DATAMODEL_MASK) == DATAMODEL_ILP32) {
pm_req32_t req32;
@@ -979,9 +999,9 @@ pm_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *cr, int *rval_p)
break;
}
req.physpath = who;
+ PMD(PMD_IOCTL, ("ioctl: %s: physpath=%s\n",
+ cmdstr, req.physpath))
}
- PMD(PMD_IOCTL, ("ioctl: %s: physpath=%s\n", cmdstr,
- req.physpath))
if (pcip->inargs & INDATA) {
req.data = (void *)(uintptr_t)req32.data;
req.datasize = req32.datasize;
@@ -1053,9 +1073,8 @@ pm_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *cr, int *rval_p)
ASSERT(!(pcip->inargs & INDATAINT));
ASSERT(pcip->deptype == DEP);
if (req32.data != NULL) {
- size_t dummy;
if (copyinstr((void *)(uintptr_t)
- req32.data, dep, deplen, &dummy)) {
+ req32.data, dep, deplen, NULL)) {
PMD(PMD_ERROR, ("ioctl: %s: "
"0x%p dep size %lx, EFAULT"
"\n", cmdstr,
@@ -1096,9 +1115,9 @@ pm_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *cr, int *rval_p)
break;
}
req.physpath = who;
+ PMD(PMD_IOCTL, ("ioctl: %s: physpath=%s\n",
+ cmdstr, req.physpath))
}
- PMD(PMD_IOCTL, ("ioctl: %s: physpath=%s\n", cmdstr,
- req.physpath))
if (!(pcip->inargs & INDATA)) {
req.data = NULL;
req.datasize = 0;
@@ -1154,9 +1173,8 @@ pm_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *cr, int *rval_p)
ASSERT(!(pcip->inargs & INDATAINT));
ASSERT(pcip->deptype == DEP);
if (req.data != NULL) {
- size_t dummy;
if (copyinstr((caddr_t)req.data,
- dep, deplen, &dummy)) {
+ dep, deplen, NULL)) {
PMD(PMD_ERROR, ("ioctl: %s: "
"0x%p dep size %lu, "
"EFAULT\n", cmdstr,
@@ -1222,6 +1240,7 @@ pm_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *cr, int *rval_p)
}
case PM_GET_DEVICE_THRESHOLD:
+ {
PM_LOCK_DIP(dip);
if (!PM_GET_PM_INFO(dip) || PM_ISBC(dip)) {
PM_UNLOCK_DIP(dip);
@@ -1234,6 +1253,7 @@ pm_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *cr, int *rval_p)
PM_UNLOCK_DIP(dip);
ret = 0;
break;
+ }
case PM_DIRECT_PM:
{
@@ -1248,11 +1268,9 @@ pm_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *cr, int *rval_p)
* Check to see if we are there is a dependency on
* this kept device, if so, return EBUSY.
*/
- pathbuf = kmem_zalloc(MAXPATHLEN, KM_SLEEP);
(void) ddi_pathname(dip, pathbuf);
pm_dispatch_to_dep_thread(PM_DEP_WK_CHECK_KEPT,
NULL, pathbuf, PM_DEP_WAIT, &has_dep, 0);
- kmem_free(pathbuf, MAXPATHLEN);
if (has_dep) {
PMD(PMD_ERROR | PMD_DPM, ("%s EBUSY\n",
cmdstr))
@@ -1301,11 +1319,9 @@ pm_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *cr, int *rval_p)
info->pmi_dev_pm_state &= ~PM_DIRECT;
PM_UNLOCK_DIP(dip);
/* Bring ourselves up if there is a keeper. */
- pathbuf = kmem_zalloc(MAXPATHLEN, KM_SLEEP);
(void) ddi_pathname(dip, pathbuf);
pm_dispatch_to_dep_thread(PM_DEP_WK_BRINGUP_SELF,
NULL, pathbuf, PM_DEP_WAIT, NULL, 0);
- kmem_free(pathbuf, MAXPATHLEN);
pm_discard_entries(clone);
pm_deregister_watcher(clone, dip);
/*
@@ -1426,6 +1442,7 @@ pm_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *cr, int *rval_p)
}
case PM_GET_CURRENT_POWER:
+ {
if (pm_get_current_power(dip, req.component,
rval_p) != DDI_SUCCESS) {
PMD(PMD_ERROR | PMD_DPM, ("ioctl: %s "
@@ -1440,6 +1457,7 @@ pm_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *cr, int *rval_p)
else
ret = 0;
break;
+ }
case PM_GET_TIME_IDLE:
{
@@ -1629,11 +1647,14 @@ pm_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *cr, int *rval_p)
}
case PM_GET_NUM_COMPONENTS:
+ {
ret = 0;
*rval_p = PM_NUMCMPTS(dip);
break;
+ }
case PM_GET_DEVICE_TYPE:
+ {
ret = 0;
if ((info = PM_GET_PM_INFO(dip)) == NULL) {
PMD(PMD_ERROR, ("ioctl: %s: "
@@ -1647,6 +1668,7 @@ pm_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *cr, int *rval_p)
*rval_p = PM_AUTOPM;
}
break;
+ }
case PM_SET_COMPONENT_THRESHOLDS:
{
@@ -1981,6 +2003,8 @@ pm_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *cr, int *rval_p)
cmdstr, PM_DEVICE(dip),
(void *)req.data))
ASSERT(!dipheld);
+ kmem_free(timestamp,
+ comps * sizeof (time_t));
return (EFAULT);
}
rvaddr = (caddr_t)req.data;
@@ -1994,7 +2018,24 @@ pm_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *cr, int *rval_p)
break;
}
+ case PM_GET_CMD_NAME:
+ {
+ PMD(PMD_IOCTL, ("%s: %s\n", cmdstr,
+ pm_decode_cmd(req.value)))
+ if (ret = copyoutstr(pm_decode_cmd(req.value),
+ (char *)req.data, req.datasize, &lencopied)) {
+ PMD(PMD_ERROR, ("ioctl: %s: %s@%s(%s#%d) "
+ "copyoutstr %p failed--EFAULT\n", cmdstr,
+ PM_DEVICE(dip), (void *)req.data))
+ break;
+ }
+ *rval_p = lencopied;
+ ret = 0;
+ break;
+ }
+
case PM_GET_COMPONENT_NAME:
+ {
ASSERT(dip);
if (!e_pm_valid_comp(dip, req.component, &cp)) {
PMD(PMD_ERROR, ("ioctl: %s: %s@%s(%s#%d) "
@@ -2014,6 +2055,7 @@ pm_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *cr, int *rval_p)
*rval_p = lencopied;
ret = 0;
break;
+ }
case PM_GET_POWER_NAME:
{
@@ -2118,6 +2160,7 @@ pm_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *cr, int *rval_p)
case PM_GET_NUM_POWER_LEVELS:
+ {
if (!e_pm_valid_comp(dip, req.component, &cp)) {
PMD(PMD_ERROR, ("ioctl: %s: %s@%s(%s#%d) "
"component %d > numcmpts - 1 %d--EINVAL\n",
@@ -2129,8 +2172,10 @@ pm_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *cr, int *rval_p)
*rval_p = cp->pmc_comp.pmc_numlevels;
ret = 0;
break;
+ }
case PM_GET_DEVICE_THRESHOLD_BASIS:
+ {
ret = 0;
PM_LOCK_DIP(dip);
if ((info = PM_GET_PM_INFO(dip)) == NULL) {
@@ -2172,9 +2217,23 @@ pm_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *cr, int *rval_p)
PM_UNLOCK_DIP(dip);
break;
}
+ default:
+ /*
+ * Internal error, invalid ioctl description
+ * force debug entry even if pm_debug not set
+ */
+#ifdef DEBUG
+ pm_log("invalid diptype %d for cmd %d (%s)\n",
+ pcip->diptype, cmd, pcip->name);
+#endif
+ ASSERT(0);
+ return (EIO);
+ }
break;
+ }
case PM_PSC:
+ {
/*
* Commands that require pm_state_change_t as arg
*/
@@ -2461,7 +2520,7 @@ pm_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *cr, int *rval_p)
if ((mode & DATAMODEL_MASK) == DATAMODEL_ILP32) {
if (ddi_copyout(&psc32.component,
&pscp32->component, copysize32, mode)
- != 0) {
+ != 0) {
PMD(PMD_ERROR, ("ioctl: %s: copyout "
"failed--EFAULT\n", cmdstr))
ret = EFAULT;
@@ -2482,14 +2541,128 @@ pm_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *cr, int *rval_p)
break;
}
default:
+ /*
+ * Internal error, invalid ioctl description
+ * force debug entry even if pm_debug not set
+ */
+#ifdef DEBUG
+ pm_log("invalid diptype %d for cmd %d (%s)\n",
+ pcip->diptype, cmd, pcip->name);
+#endif
ASSERT(0);
+ return (EIO);
}
break;
+ }
+
+ case PM_SRCH: /* command that takes a pm_searchargs_t arg */
+ {
+ /*
+ * If no ppm, then there is nothing to search.
+ */
+ if (DEVI(ddi_root_node())->devi_pm_ppm == NULL) {
+ ret = ENODEV;
+ break;
+ }
+
+#ifdef _MULTI_DATAMODEL
+ if ((mode & DATAMODEL_MASK) == DATAMODEL_ILP32) {
+ if (ddi_copyin((caddr_t)arg, &psa32,
+ sizeof (psa32), mode) != 0) {
+ PMD(PMD_ERROR, ("ioctl: %s: ddi_copyin "
+ "EFAULT\n\n", cmdstr))
+ return (EFAULT);
+ }
+ if (copyinstr((void *)(uintptr_t)psa32.pms_listname,
+ listname, MAXCOPYBUF, NULL)) {
+ PMD(PMD_ERROR, ("ioctl: %s: 0x%p MAXCOPYBUF "
+ "%d, " "EFAULT\n", cmdstr,
+ (void *)(uintptr_t)psa32.pms_listname,
+ MAXCOPYBUF))
+ ret = EFAULT;
+ break;
+ }
+ if (copyinstr((void *)(uintptr_t)psa32.pms_manufacturer,
+ manufacturer, MAXCOPYBUF, NULL)) {
+ PMD(PMD_ERROR, ("ioctl: %s: 0x%p MAXCOPYBUF "
+ "%d, " "EFAULT\n", cmdstr,
+ (void *)(uintptr_t)psa32.pms_manufacturer,
+ MAXCOPYBUF))
+ ret = EFAULT;
+ break;
+ }
+ if (copyinstr((void *)(uintptr_t)psa32.pms_product,
+ product, MAXCOPYBUF, NULL)) {
+ PMD(PMD_ERROR, ("ioctl: %s: 0x%p MAXCOPYBUF "
+ "%d, " "EFAULT\n", cmdstr,
+ (void *)(uintptr_t)psa32.pms_product,
+ MAXCOPYBUF))
+ ret = EFAULT;
+ break;
+ }
+ } else
+#endif /* _MULTI_DATAMODEL */
+ {
+ if (ddi_copyin((caddr_t)arg, &psa,
+ sizeof (psa), mode) != 0) {
+ PMD(PMD_ERROR, ("ioctl: %s: ddi_copyin "
+ "EFAULT\n\n", cmdstr))
+ return (EFAULT);
+ }
+ if (copyinstr(psa.pms_listname,
+ listname, MAXCOPYBUF, NULL)) {
+ PMD(PMD_ERROR, ("ioctl: %s: 0x%p MAXCOPYBUF "
+ "%d, " "EFAULT\n", cmdstr,
+ (void *)psa.pms_listname, MAXCOPYBUF))
+ ret = EFAULT;
+ break;
+ }
+ if (copyinstr(psa.pms_manufacturer,
+ manufacturer, MAXCOPYBUF, NULL)) {
+ PMD(PMD_ERROR, ("ioctl: %s: 0x%p MAXCOPYBUF "
+ "%d, " "EFAULT\n", cmdstr,
+ (void *)psa.pms_manufacturer, MAXCOPYBUF))
+ ret = EFAULT;
+ break;
+ }
+ if (copyinstr(psa.pms_product,
+ product, MAXCOPYBUF, NULL)) {
+ PMD(PMD_ERROR, ("ioctl: %s: 0x%p MAXCOPYBUF "
+ "%d, " "EFAULT\n", cmdstr,
+ (void *)psa.pms_product, MAXCOPYBUF))
+ ret = EFAULT;
+ break;
+ }
+ }
+ psa.pms_listname = listname;
+ psa.pms_manufacturer = manufacturer;
+ psa.pms_product = product;
+ switch (cmd) {
+ case PM_SEARCH_LIST:
+ ret = pm_ppm_searchlist(&psa);
+ break;
+
+ default:
+ /*
+ * Internal error, invalid ioctl description
+ * force debug entry even if pm_debug not set
+ */
+#ifdef DEBUG
+ pm_log("invalid diptype %d for cmd %d (%s)\n",
+ pcip->diptype, cmd, pcip->name);
+#endif
+ ASSERT(0);
+ return (EIO);
+ }
+ break;
+ }
case NOSTRUCT:
+ {
switch (cmd) {
case PM_START_PM:
case PM_START_CPUPM:
+ {
mutex_enter(&pm_scan_lock);
if ((cmd == PM_START_PM && autopm_enabled) ||
(cmd == PM_START_CPUPM && PM_CPUPM_ENABLED)) {
@@ -2500,13 +2673,14 @@ pm_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *cr, int *rval_p)
break;
}
if (cmd == PM_START_PM)
- autopm_enabled = 1;
+ autopm_enabled = 1;
else
- cpupm = PM_CPUPM_ENABLE;
+ cpupm = PM_CPUPM_ENABLE;
mutex_exit(&pm_scan_lock);
ddi_walk_devs(ddi_root_node(), pm_start_pm_walk, &cmd);
ret = 0;
break;
+ }
case PM_RESET_PM:
case PM_STOP_PM:
@@ -2523,13 +2697,16 @@ pm_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *cr, int *rval_p)
ret = EINVAL;
break;
}
- if (cmd == PM_STOP_PM)
- autopm_enabled = 0;
- else if (cmd == PM_STOP_CPUPM)
- cpupm = PM_CPUPM_DISABLE;
- else {
- autopm_enabled = 0;
- cpupm = PM_CPUPM_NOTSET;
+ if (cmd == PM_STOP_PM) {
+ autopm_enabled = 0;
+ pm_S3_enabled = 0;
+ autoS3_enabled = 0;
+ } else if (cmd == PM_STOP_CPUPM) {
+ cpupm = PM_CPUPM_DISABLE;
+ } else {
+ autopm_enabled = 0;
+ autoS3_enabled = 0;
+ cpupm = PM_CPUPM_NOTSET;
}
mutex_exit(&pm_scan_lock);
@@ -2553,22 +2730,29 @@ pm_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *cr, int *rval_p)
}
case PM_GET_SYSTEM_THRESHOLD:
+ {
*rval_p = pm_system_idle_threshold;
ret = 0;
break;
+ }
case PM_GET_DEFAULT_SYSTEM_THRESHOLD:
+ {
*rval_p = pm_default_idle_threshold;
ret = 0;
break;
+ }
case PM_GET_CPU_THRESHOLD:
+ {
*rval_p = pm_cpu_idle_threshold;
ret = 0;
break;
+ }
case PM_SET_SYSTEM_THRESHOLD:
case PM_SET_CPU_THRESHOLD:
+ {
if ((int)arg < 0) {
PMD(PMD_ERROR, ("ioctl: %s: arg 0x%x < 0"
"--EINVAL\n", cmdstr, (int)arg))
@@ -2583,20 +2767,24 @@ pm_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *cr, int *rval_p)
pm_cpu_idle_threshold = (int)arg;
}
ddi_walk_devs(ddi_root_node(), pm_set_idle_thresh_walk,
- (void *) &cmd);
+ (void *) &cmd);
ret = 0;
break;
+ }
case PM_IDLE_DOWN:
+ {
if (pm_timeout_idledown() != 0) {
ddi_walk_devs(ddi_root_node(),
pm_start_idledown, (void *)PMID_IOC);
}
ret = 0;
break;
+ }
case PM_GET_PM_STATE:
+ {
if (autopm_enabled) {
*rval_p = PM_SYSTEM_PM_ENABLED;
} else {
@@ -2604,8 +2792,10 @@ pm_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *cr, int *rval_p)
}
ret = 0;
break;
+ }
case PM_GET_CPUPM_STATE:
+ {
if (PM_CPUPM_ENABLED)
*rval_p = PM_CPU_PM_ENABLED;
else if (PM_CPUPM_DISABLED)
@@ -2615,7 +2805,96 @@ pm_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *cr, int *rval_p)
ret = 0;
break;
}
+
+ case PM_GET_AUTOS3_STATE:
+ {
+ if (autoS3_enabled) {
+ *rval_p = PM_AUTOS3_ENABLED;
+ } else {
+ *rval_p = PM_AUTOS3_DISABLED;
+ }
+ ret = 0;
+ break;
+ }
+
+ case PM_GET_S3_SUPPORT_STATE:
+ {
+ if (pm_S3_enabled) {
+ *rval_p = PM_S3_SUPPORT_ENABLED;
+ } else {
+ *rval_p = PM_S3_SUPPORT_DISABLED;
+ }
+ ret = 0;
+ break;
+ }
+
+ /*
+ * pmconfig tells us if the platform supports S3
+ */
+ case PM_ENABLE_S3:
+ {
+ mutex_enter(&pm_scan_lock);
+ if (pm_S3_enabled) {
+ mutex_exit(&pm_scan_lock);
+ PMD(PMD_ERROR, ("ioctl: %s: EBUSY\n",
+ cmdstr))
+ ret = EBUSY;
+ break;
+ }
+ pm_S3_enabled = 1;
+ mutex_exit(&pm_scan_lock);
+ ret = 0;
+ break;
+ }
+
+ case PM_DISABLE_S3:
+ {
+ mutex_enter(&pm_scan_lock);
+ pm_S3_enabled = 0;
+ mutex_exit(&pm_scan_lock);
+ ret = 0;
+ break;
+ }
+
+ case PM_START_AUTOS3:
+ {
+ mutex_enter(&pm_scan_lock);
+ if (autoS3_enabled) {
+ mutex_exit(&pm_scan_lock);
+ PMD(PMD_ERROR, ("ioctl: %s: EBUSY\n",
+ cmdstr))
+ ret = EBUSY;
+ break;
+ }
+ autoS3_enabled = 1;
+ mutex_exit(&pm_scan_lock);
+ ret = 0;
+ break;
+ }
+
+ case PM_STOP_AUTOS3:
+ {
+ mutex_enter(&pm_scan_lock);
+ autoS3_enabled = 0;
+ mutex_exit(&pm_scan_lock);
+ ret = 0;
+ break;
+ }
+
+ default:
+ /*
+ * Internal error, invalid ioctl description
+ * force debug entry even if pm_debug not set
+ */
+#ifdef DEBUG
+ pm_log("invalid diptype %d for cmd %d (%s)\n",
+ pcip->diptype, cmd, pcip->name);
+#endif
+ ASSERT(0);
+ return (EIO);
+ }
break;
+ }
default:
/*
generated by cgit v1.2.3 (git 2.39.1) at 2025-04-27 12:03:43 +0000