Date: Wed, 24 Feb 2010 01:27:36 +0000 (UTC) From: Nathan Whitehorn <nwhitehorn@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r204270 - in head: share/man/man4/man4.powerpc sys/powerpc/powermac Message-ID: <201002240127.o1O1RaH9037723@svn.freebsd.org>
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Author: nwhitehorn Date: Wed Feb 24 01:27:36 2010 New Revision: 204270 URL: http://svn.freebsd.org/changeset/base/204270 Log: Add the ability to set SMU-based machines to restart automatically after power loss. Modified: head/share/man/man4/man4.powerpc/smu.4 head/sys/powerpc/powermac/smu.c Modified: head/share/man/man4/man4.powerpc/smu.4 ============================================================================== --- head/share/man/man4/man4.powerpc/smu.4 Wed Feb 24 00:55:55 2010 (r204269) +++ head/share/man/man4/man4.powerpc/smu.4 Wed Feb 24 01:27:36 2010 (r204270) @@ -75,6 +75,9 @@ The following sysctls can be used to con power management behavior and to examine current system power and thermal conditions. .Bl -tag -width indent +.It Va dev.smu.%d.server_mode +Restart after power failure behavior (1 causes system to reboot after power +cut, 0 causes system to remain off). .It Va dev.smu.%d.target_temp Target system temperature, in degrees Celsius. The .Nm Modified: head/sys/powerpc/powermac/smu.c ============================================================================== --- head/sys/powerpc/powermac/smu.c Wed Feb 24 00:55:55 2010 (r204269) +++ head/sys/powerpc/powermac/smu.c Wed Feb 24 01:27:36 2010 (r204270) @@ -137,6 +137,7 @@ static void smu_attach_fans(device_t dev static void smu_attach_sensors(device_t dev, phandle_t sensroot); static void smu_fanmgt_callout(void *xdev); static void smu_set_sleepled(void *xdev, int onoff); +static int smu_server_mode(SYSCTL_HANDLER_ARGS); /* where to find the doorbell GPIO */ @@ -174,6 +175,16 @@ MALLOC_DEFINE(M_SMU, "smu", "SMU Sensor #define SMU_MISC_GET_DATA 0x02 #define SMU_MISC_LED_CTRL 0x04 #define SMU_POWER 0xaa +#define SMU_POWER_EVENTS 0x8f +#define SMU_PWR_GET_POWERUP 0x00 +#define SMU_PWR_SET_POWERUP 0x01 +#define SMU_PWR_CLR_POWERUP 0x02 + +/* Power event types */ +#define SMU_WAKEUP_KEYPRESS 0x01 +#define SMU_WAKEUP_AC_INSERT 0x02 +#define SMU_WAKEUP_AC_CHANGE 0x04 +#define SMU_WAKEUP_RING 0x10 /* Data blocks */ #define SMU_CPUTEMP_CAL 0x18 @@ -301,6 +312,15 @@ smu_attach(device_t dev) */ sc->sc_leddev = led_create(smu_set_sleepled, dev, "sleepled"); + /* + * Reset on power loss behavior + */ + + SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev), + SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, + "server_mode", CTLTYPE_INT | CTLFLAG_RW, dev, 0, + smu_server_mode, "I", "Enable reboot after power failure"); + return (0); } @@ -877,3 +897,41 @@ smu_set_sleepled(void *xdev, int onoff) smu_run_cmd(smu, &cmd); } +static int +smu_server_mode(SYSCTL_HANDLER_ARGS) +{ + struct smu_cmd cmd; + u_int server_mode; + device_t smu = arg1; + int error; + + cmd.cmd = SMU_POWER_EVENTS; + cmd.len = 1; + cmd.data[0] = SMU_PWR_GET_POWERUP; + + error = smu_run_cmd(smu, &cmd); + + if (error) + return (error); + + server_mode = (cmd.data[1] & SMU_WAKEUP_AC_INSERT) ? 1 : 0; + + error = sysctl_handle_int(oidp, &server_mode, 0, req); + + if (error || !req->newptr) + return (error); + + if (server_mode == 1) + cmd.data[0] = SMU_PWR_SET_POWERUP; + else if (server_mode == 0) + cmd.data[0] = SMU_PWR_CLR_POWERUP; + else + return (EINVAL); + + cmd.len = 3; + cmd.data[1] = 0; + cmd.data[2] = SMU_WAKEUP_AC_INSERT; + + return (smu_run_cmd(smu, &cmd)); +} +
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