diff options
Diffstat (limited to 'drivers/char/ipmi/ipmi_si_intf.c')
| -rw-r--r-- | drivers/char/ipmi/ipmi_si_intf.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c index 908521e36d81c..b106c45abfc92 100644 --- a/drivers/char/ipmi/ipmi_si_intf.c +++ b/drivers/char/ipmi/ipmi_si_intf.c @@ -217,6 +217,11 @@ struct smi_info struct list_head link; }; +#define SI_MAX_PARMS 4 + +static int force_kipmid[SI_MAX_PARMS]; +static int num_force_kipmid; + static int try_smi_init(struct smi_info *smi); static ATOMIC_NOTIFIER_HEAD(xaction_notifier_list); @@ -908,6 +913,7 @@ static int smi_start_processing(void *send_info, ipmi_smi_t intf) { struct smi_info *new_smi = send_info; + int enable = 0; new_smi->intf = intf; @@ -917,10 +923,18 @@ static int smi_start_processing(void *send_info, mod_timer(&new_smi->si_timer, jiffies + SI_TIMEOUT_JIFFIES); /* + * Check if the user forcefully enabled the daemon. + */ + if (new_smi->intf_num < num_force_kipmid) + enable = force_kipmid[new_smi->intf_num]; + /* * The BT interface is efficient enough to not need a thread, * and there is no need for a thread if we have interrupts. */ - if ((new_smi->si_type != SI_BT) && (!new_smi->irq)) { + else if ((new_smi->si_type != SI_BT) && (!new_smi->irq)) + enable = 1; + + if (enable) { new_smi->thread = kthread_run(ipmi_thread, new_smi, "kipmi%d", new_smi->intf_num); if (IS_ERR(new_smi->thread)) { @@ -948,7 +962,6 @@ static struct ipmi_smi_handlers handlers = /* There can be 4 IO ports passed in (with or without IRQs), 4 addresses, a default IO port, and 1 ACPI/SPMI address. That sets SI_MAX_DRIVERS */ -#define SI_MAX_PARMS 4 static LIST_HEAD(smi_infos); static DEFINE_MUTEX(smi_infos_lock); static int smi_num; /* Used to sequence the SMIs */ @@ -1021,6 +1034,10 @@ MODULE_PARM_DESC(slave_addrs, "Set the default IPMB slave address for" " the controller. Normally this is 0x20, but can be" " overridden by this parm. This is an array indexed" " by interface number."); +module_param_array(force_kipmid, int, &num_force_kipmid, 0); +MODULE_PARM_DESC(force_kipmid, "Force the kipmi daemon to be enabled (1) or" + " disabled(0). Normally the IPMI driver auto-detects" + " this, but the value may be overridden by this parm."); #define IPMI_IO_ADDR_SPACE 0 @@ -1734,6 +1751,7 @@ static void __devinit dmi_find_bmc(void) int rv; while ((dev = dmi_find_device(DMI_DEV_TYPE_IPMI, NULL, dev))) { + memset(&data, 0, sizeof(data)); rv = decode_dmi((struct dmi_header *) dev->device_data, &data); if (!rv) try_init_dmi(&data); |