/* parameter definition to allow user to flag power cycle */
module_param(poweroff_powercycle, int, 0644);
-MODULE_PARM_DESC(poweroff_powercycle, " Set to non-zero to enable power cycle instead of power down. Power cycle is contingent on hardware support, otherwise it defaults back to power down.");
+MODULE_PARM_DESC(poweroff_powercycle,
+ " Set to non-zero to enable power cycle instead of power"
+ " down. Power cycle is contingent on hardware support,"
+ " otherwise it defaults back to power down.");
/* Stuff from the get device id command. */
static unsigned int mfg_id;
static unsigned char capabilities;
static unsigned char ipmi_version;
-/* We use our own messages for this operation, we don't let the system
- allocate them, since we may be in a panic situation. The whole
- thing is single-threaded, anyway, so multiple messages are not
- required. */
+/*
+ * We use our own messages for this operation, we don't let the system
+ * allocate them, since we may be in a panic situation. The whole
+ * thing is single-threaded, anyway, so multiple messages are not
+ * required.
+ */
+static atomic_t dummy_count = ATOMIC_INIT(0);
static void dummy_smi_free(struct ipmi_smi_msg *msg)
{
+ atomic_dec(&dummy_count);
}
static void dummy_recv_free(struct ipmi_recv_msg *msg)
{
+ atomic_dec(&dummy_count);
}
-static struct ipmi_smi_msg halt_smi_msg =
-{
+static struct ipmi_smi_msg halt_smi_msg = {
.done = dummy_smi_free
};
-static struct ipmi_recv_msg halt_recv_msg =
-{
+static struct ipmi_recv_msg halt_recv_msg = {
.done = dummy_recv_free
};
complete(comp);
}
-static struct ipmi_user_hndl ipmi_poweroff_handler =
-{
+static struct ipmi_user_hndl ipmi_poweroff_handler = {
.ipmi_recv_hndl = receive_handler
};
return halt_recv_msg.msg.data[0];
}
-/* We are in run-to-completion mode, no completion is desired. */
+/* Wait for message to complete, spinning. */
static int ipmi_request_in_rc_mode(ipmi_user_t user,
struct ipmi_addr *addr,
struct kernel_ipmi_msg *send_msg)
{
int rv;
+ atomic_set(&dummy_count, 2);
rv = ipmi_request_supply_msgs(user, addr, 0, send_msg, NULL,
&halt_smi_msg, &halt_recv_msg, 0);
- if (rv)
+ if (rv) {
+ atomic_set(&dummy_count, 0);
return rv;
+ }
+
+ /*
+ * Spin until our message is done.
+ */
+ while (atomic_read(&dummy_count) > 0) {
+ ipmi_poll_interface(user);
+ cpu_relax();
+ }
return halt_recv_msg.msg.data[0];
}
static void (*atca_oem_poweroff_hook)(ipmi_user_t user);
-static void pps_poweroff_atca (ipmi_user_t user)
+static void pps_poweroff_atca(ipmi_user_t user)
{
- struct ipmi_system_interface_addr smi_addr;
- struct kernel_ipmi_msg send_msg;
- int rv;
- /*
- * Configure IPMI address for local access
- */
- smi_addr.addr_type = IPMI_SYSTEM_INTERFACE_ADDR_TYPE;
- smi_addr.channel = IPMI_BMC_CHANNEL;
- smi_addr.lun = 0;
-
- printk(KERN_INFO PFX "PPS powerdown hook used");
-
- send_msg.netfn = IPMI_NETFN_OEM;
- send_msg.cmd = IPMI_ATCA_PPS_GRACEFUL_RESTART;
- send_msg.data = IPMI_ATCA_PPS_IANA;
- send_msg.data_len = 3;
- rv = ipmi_request_in_rc_mode(user,
- (struct ipmi_addr *) &smi_addr,
- &send_msg);
- if (rv && rv != IPMI_UNKNOWN_ERR_COMPLETION_CODE) {
- printk(KERN_ERR PFX "Unable to send ATCA ,"
- " IPMI error 0x%x\n", rv);
- }
+ struct ipmi_system_interface_addr smi_addr;
+ struct kernel_ipmi_msg send_msg;
+ int rv;
+ /*
+ * Configure IPMI address for local access
+ */
+ smi_addr.addr_type = IPMI_SYSTEM_INTERFACE_ADDR_TYPE;
+ smi_addr.channel = IPMI_BMC_CHANNEL;
+ smi_addr.lun = 0;
+
+ printk(KERN_INFO PFX "PPS powerdown hook used");
+
+ send_msg.netfn = IPMI_NETFN_OEM;
+ send_msg.cmd = IPMI_ATCA_PPS_GRACEFUL_RESTART;
+ send_msg.data = IPMI_ATCA_PPS_IANA;
+ send_msg.data_len = 3;
+ rv = ipmi_request_in_rc_mode(user,
+ (struct ipmi_addr *) &smi_addr,
+ &send_msg);
+ if (rv && rv != IPMI_UNKNOWN_ERR_COMPLETION_CODE) {
+ printk(KERN_ERR PFX "Unable to send ATCA ,"
+ " IPMI error 0x%x\n", rv);
+ }
return;
}
-static int ipmi_atca_detect (ipmi_user_t user)
+static int ipmi_atca_detect(ipmi_user_t user)
{
struct ipmi_system_interface_addr smi_addr;
struct kernel_ipmi_msg send_msg;
int rv;
unsigned char data[1];
- /*
- * Configure IPMI address for local access
- */
- smi_addr.addr_type = IPMI_SYSTEM_INTERFACE_ADDR_TYPE;
- smi_addr.channel = IPMI_BMC_CHANNEL;
- smi_addr.lun = 0;
+ /*
+ * Configure IPMI address for local access
+ */
+ smi_addr.addr_type = IPMI_SYSTEM_INTERFACE_ADDR_TYPE;
+ smi_addr.channel = IPMI_BMC_CHANNEL;
+ smi_addr.lun = 0;
/*
* Use get address info to check and see if we are ATCA
(struct ipmi_addr *) &smi_addr,
&send_msg);
- printk(KERN_INFO PFX "ATCA Detect mfg 0x%X prod 0x%X\n", mfg_id, prod_id);
- if((mfg_id == IPMI_MOTOROLA_MANUFACTURER_ID)
- && (prod_id == IPMI_MOTOROLA_PPS_IPMC_PRODUCT_ID)) {
- printk(KERN_INFO PFX "Installing Pigeon Point Systems Poweroff Hook\n");
+ printk(KERN_INFO PFX "ATCA Detect mfg 0x%X prod 0x%X\n",
+ mfg_id, prod_id);
+ if ((mfg_id == IPMI_MOTOROLA_MANUFACTURER_ID)
+ && (prod_id == IPMI_MOTOROLA_PPS_IPMC_PRODUCT_ID)) {
+ printk(KERN_INFO PFX
+ "Installing Pigeon Point Systems Poweroff Hook\n");
atca_oem_poweroff_hook = pps_poweroff_atca;
}
return !rv;
}
-static void ipmi_poweroff_atca (ipmi_user_t user)
+static void ipmi_poweroff_atca(ipmi_user_t user)
{
struct ipmi_system_interface_addr smi_addr;
struct kernel_ipmi_msg send_msg;
int rv;
unsigned char data[4];
- /*
- * Configure IPMI address for local access
- */
- smi_addr.addr_type = IPMI_SYSTEM_INTERFACE_ADDR_TYPE;
- smi_addr.channel = IPMI_BMC_CHANNEL;
- smi_addr.lun = 0;
+ /*
+ * Configure IPMI address for local access
+ */
+ smi_addr.addr_type = IPMI_SYSTEM_INTERFACE_ADDR_TYPE;
+ smi_addr.channel = IPMI_BMC_CHANNEL;
+ smi_addr.lun = 0;
printk(KERN_INFO PFX "Powering down via ATCA power command\n");
data[2] = 0; /* Power Level */
data[3] = 0; /* Don't change saved presets */
send_msg.data = data;
- send_msg.data_len = sizeof (data);
+ send_msg.data_len = sizeof(data);
rv = ipmi_request_in_rc_mode(user,
(struct ipmi_addr *) &smi_addr,
&send_msg);
- /** At this point, the system may be shutting down, and most
- ** serial drivers (if used) will have interrupts turned off
- ** it may be better to ignore IPMI_UNKNOWN_ERR_COMPLETION_CODE
- ** return code
- **/
- if (rv && rv != IPMI_UNKNOWN_ERR_COMPLETION_CODE) {
+ /*
+ * At this point, the system may be shutting down, and most
+ * serial drivers (if used) will have interrupts turned off
+ * it may be better to ignore IPMI_UNKNOWN_ERR_COMPLETION_CODE
+ * return code
+ */
+ if (rv && rv != IPMI_UNKNOWN_ERR_COMPLETION_CODE) {
printk(KERN_ERR PFX "Unable to send ATCA powerdown message,"
" IPMI error 0x%x\n", rv);
goto out;
}
- if(atca_oem_poweroff_hook)
- return atca_oem_poweroff_hook(user);
+ if (atca_oem_poweroff_hook)
+ atca_oem_poweroff_hook(user);
out:
return;
}
#define IPMI_CPI1_PRODUCT_ID 0x000157
#define IPMI_CPI1_MANUFACTURER_ID 0x0108
-static int ipmi_cpi1_detect (ipmi_user_t user)
+static int ipmi_cpi1_detect(ipmi_user_t user)
{
return ((mfg_id == IPMI_CPI1_MANUFACTURER_ID)
&& (prod_id == IPMI_CPI1_PRODUCT_ID));
}
-static void ipmi_poweroff_cpi1 (ipmi_user_t user)
+static void ipmi_poweroff_cpi1(ipmi_user_t user)
{
struct ipmi_system_interface_addr smi_addr;
struct ipmi_ipmb_addr ipmb_addr;
unsigned char aer_addr;
unsigned char aer_lun;
- /*
- * Configure IPMI address for local access
- */
- smi_addr.addr_type = IPMI_SYSTEM_INTERFACE_ADDR_TYPE;
- smi_addr.channel = IPMI_BMC_CHANNEL;
- smi_addr.lun = 0;
+ /*
+ * Configure IPMI address for local access
+ */
+ smi_addr.addr_type = IPMI_SYSTEM_INTERFACE_ADDR_TYPE;
+ smi_addr.channel = IPMI_BMC_CHANNEL;
+ smi_addr.lun = 0;
printk(KERN_INFO PFX "Powering down via CPI1 power command\n");
*/
#define DELL_IANA_MFR_ID {0xA2, 0x02, 0x00}
-static int ipmi_dell_chassis_detect (ipmi_user_t user)
+static int ipmi_dell_chassis_detect(ipmi_user_t user)
{
const char ipmi_version_major = ipmi_version & 0xF;
const char ipmi_version_minor = (ipmi_version >> 4) & 0xF;
#define IPMI_NETFN_CHASSIS_REQUEST 0
#define IPMI_CHASSIS_CONTROL_CMD 0x02
-static int ipmi_chassis_detect (ipmi_user_t user)
+static int ipmi_chassis_detect(ipmi_user_t user)
{
/* Chassis support, use it. */
return (capabilities & 0x80);
}
-static void ipmi_poweroff_chassis (ipmi_user_t user)
+static void ipmi_poweroff_chassis(ipmi_user_t user)
{
struct ipmi_system_interface_addr smi_addr;
struct kernel_ipmi_msg send_msg;
int rv;
unsigned char data[1];
- /*
- * Configure IPMI address for local access
- */
- smi_addr.addr_type = IPMI_SYSTEM_INTERFACE_ADDR_TYPE;
- smi_addr.channel = IPMI_BMC_CHANNEL;
- smi_addr.lun = 0;
+ /*
+ * Configure IPMI address for local access
+ */
+ smi_addr.addr_type = IPMI_SYSTEM_INTERFACE_ADDR_TYPE;
+ smi_addr.channel = IPMI_BMC_CHANNEL;
+ smi_addr.lun = 0;
powercyclefailed:
printk(KERN_INFO PFX "Powering %s via IPMI chassis control command\n",
/* Called on a powerdown request. */
-static void ipmi_poweroff_function (void)
+static void ipmi_poweroff_function(void)
{
if (!ready)
return;
/* Use run-to-completion mode, since interrupts may be off. */
- ipmi_user_set_run_to_completion(ipmi_user, 1);
specific_poweroff_func(ipmi_user);
- ipmi_user_set_run_to_completion(ipmi_user, 0);
}
/* Wait for an IPMI interface to be installed, the first one installed
ipmi_ifnum = if_num;
- /*
- * Do a get device ide and store some results, since this is
+ /*
+ * Do a get device ide and store some results, since this is
* used by several functions.
- */
- smi_addr.addr_type = IPMI_SYSTEM_INTERFACE_ADDR_TYPE;
- smi_addr.channel = IPMI_BMC_CHANNEL;
- smi_addr.lun = 0;
+ */
+ smi_addr.addr_type = IPMI_SYSTEM_INTERFACE_ADDR_TYPE;
+ smi_addr.channel = IPMI_BMC_CHANNEL;
+ smi_addr.lun = 0;
send_msg.netfn = IPMI_NETFN_APP_REQUEST;
send_msg.cmd = IPMI_GET_DEVICE_ID_CMD;
pm_power_off = old_poweroff_func;
}
-static struct ipmi_smi_watcher smi_watcher =
-{
+static struct ipmi_smi_watcher smi_watcher = {
.owner = THIS_MODULE,
.new_smi = ipmi_po_new_smi,
.smi_gone = ipmi_po_smi_gone
/*
* Startup and shutdown functions.
*/
-static int ipmi_poweroff_init (void)
+static int __init ipmi_poweroff_init(void)
{
int rv;
- printk (KERN_INFO "Copyright (C) 2004 MontaVista Software -"
- " IPMI Powerdown via sys_reboot.\n");
+ printk(KERN_INFO "Copyright (C) 2004 MontaVista Software -"
+ " IPMI Powerdown via sys_reboot.\n");
if (poweroff_powercycle)
printk(KERN_INFO PFX "Power cycle is enabled.\n");
}
#ifdef MODULE
-static __exit void ipmi_poweroff_cleanup(void)
+static void __exit ipmi_poweroff_cleanup(void)
{
int rv;
git.openpandora.org / pandora-kernel.git / blobdiff