This patch (as1112) adds some new PM_EVENT_* codes for use by kernel
subsystems. They describe runtime power-state transitions of the sort
already implemented by the USB subsystem.
Signed-off-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
---
Rafael:
Can we get this into linux-next so that it will enter the main kernel
during the 2.6.27-rc1 merge window? All it does is add some new
macros.
I don't have a linux-next tree here, so I can't even compile-test the
patch. Can you make sure that it doesn't contain any horrendous
errors? Thanks.
Alan Stern
Index: pci/include/linux/pm.h
===================================================================
--- pci.orig/include/linux/pm.h
+++ pci/include/linux/pm.h
@@ -317,6 +317,21 @@ struct pm_ext_ops {
* RECOVER Creation of a hibernation image or restoration of the main
* memory contents from a hibernation image has failed, call
* ->thaw() and ->complete() for all devices.
+ *
+ * The following PM_EVENT_ messages are defined for internal use by
+ * kernel subsystems. They are never issued by the PM core.
+ *
+ * USER_SUSPEND Manual selective suspend was issued by userspace.
+ *
+ * USER_RESUME Manual selective resume was issued by userspace.
+ *
+ * REMOTE_WAKEUP Remote-wakeup request was received from the device.
+ *
+ * AUTO_SUSPEND Automatic (device idle) runtime suspend was
+ * initiated by the subsystem.
+ *
+ * AUTO_RESUME Automatic (device needed) runtime resume was
+ * requested by a driver.
*/
#define PM_EVENT_ON 0x0000
@@ -328,9 +343,18 @@ struct pm_ext_ops {
#define PM_EVENT_THAW 0x0020
#define PM_EVENT_RESTORE 0x0040
#define PM_EVENT_RECOVER 0x0080
+#define PM_EVENT_USER 0x0100
+#define PM_EVENT_REMOTE 0x0200
+#define PM_EVENT_AUTO 0x0400
+
+#define PM_EVENT_SLEEP (PM_EVENT_SUSPEND | PM_EVENT_HIBERNATE)
+#define PM_EVENT_USER_SUSPEND (PM_EVENT_USER | PM_EVENT_SUSPEND)
+#define PM_EVENT_USER_RESUME (PM_EVENT_USER | PM_EVENT_RESUME)
+#define PM_EVENT_REMOTE_WAKEUP (PM_EVENT_REMOTE | PM_EVENT_RESUME)
+#define PM_EVENT_AUTO_SUSPEND (PM_EVENT_AUTO | PM_EVENT_SUSPEND)
+#define PM_EVENT_AUTO_RESUME (PM_EVENT_AUTO | PM_EVENT_RESUME)
-#define PM_EVENT_SLEEP (PM_EVENT_SUSPEND | PM_EVENT_HIBERNATE)
-
+#define PMSG_ON ((struct pm_message){ .event = PM_EVENT_ON, })
#define PMSG_FREEZE ((struct pm_message){ .event = PM_EVENT_FREEZE, })
#define PMSG_QUIESCE ((struct pm_message){ .event = PM_EVENT_QUIESCE, })
#define PMSG_SUSPEND ((struct pm_message){ .event = PM_EVENT_SUSPEND, })
@@ -339,7 +363,16 @@ struct pm_ext_ops {
#define PMSG_THAW ((struct pm_message){ .event = PM_EVENT_THAW, })
#define PMSG_RESTORE ((struct pm_message){ .event = PM_EVENT_RESTORE, })
#define PMSG_RECOVER ((struct pm_message){ .event = PM_EVENT_RECOVER, })
-#define PMSG_ON ((struct pm_message){ .event = PM_EVENT_ON, })
+#define PMSG_USER_SUSPEND ((struct pm_messge) \
+ { .event = PM_EVENT_USER_SUSPEND, })
+#define PMSG_USER_RESUME ((struct pm_messge) \
+ { .event = PM_EVENT_USER_RESUME, })
+#define PMSG_REMOTE_RESUME ((struct pm_messge) \
+ { .event = PM_EVENT_REMOTE_RESUME, })
+#define PMSG_AUTO_SUSPEND ((struct pm_messge) \
+ { .event = PM_EVENT_AUTO_SUSPEND, })
+#define PMSG_AUTO_RESUME ((struct pm_messge) \
+ { .event = PM_EVENT_AUTO_RESUME, })
/**
* Device power management states
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