Re: [patch 2/4] Expose Power Management Policy option to users

From: Jeff Garzik
Date: Mon Jul 30 2007 - 12:33:21 EST


Kristen Carlson Accardi wrote:
@@ -42,6 +42,16 @@ enum scsi_eh_timer_return {
EH_RESET_TIMER,
};
+/*
+ * shost pm policy: If you alter this, you also need to alter scsi_sysfs.c
+ * (for the ascii descriptions)
+ */
+enum scsi_host_link_pm {
+ SHOST_NOT_AVAILABLE,
+ SHOST_MIN_POWER,
+ SHOST_MAX_PERFORMANCE,
+ SHOST_MEDIUM_POWER,
+};
struct scsi_host_template {
struct module *module;
@@ -345,6 +355,12 @@ struct scsi_host_template {
int (*suspend)(struct scsi_device *, pm_message_t state);
/*
+ * link power management support
+ */
+ int (*set_link_pm_policy)(struct Scsi_Host *, enum scsi_host_link_pm);
+ enum scsi_host_link_pm default_link_pm_policy;
+
+ /*
* Name of proc directory
*/
char *proc_name;
@@ -642,6 +658,7 @@ struct Scsi_Host {

enum scsi_host_state shost_state;
+ enum scsi_host_link_pm shost_link_pm_policy;
/* ldm bits */
struct device shost_gendev;


Any chance the SCSI peeps could ACK this, and then let me include it in the ALPM patchset in the libata tree?

Jeff


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