#define MAX_EVENTS_IN_QUEUE 25
-/* Don't let a message sit in a queue forever, always time it with at lest
- the max message timer. This is in milliseconds. */
+/*
+ * Don't let a message sit in a queue forever, always time it with at lest
+ * the max message timer. This is in milliseconds.
+ */
#define MAX_MSG_TIMEOUT 60000
/*
* The main "user" data structure.
*/
-struct ipmi_user
-{
+struct ipmi_user {
struct list_head link;
/* Set to "0" when the user is destroyed. */
int gets_events;
};
-struct cmd_rcvr
-{
+struct cmd_rcvr {
struct list_head link;
ipmi_user_t user;
* or change any data until the RCU period completes. So we
* use this next variable during mass deletion so we can have
* a list and don't have to wait and restart the search on
- * every individual deletion of a command. */
+ * every individual deletion of a command.
+ */
struct cmd_rcvr *next;
};
-struct seq_table
-{
+struct seq_table {
unsigned int inuse : 1;
unsigned int broadcast : 1;
unsigned long orig_timeout;
unsigned int retries_left;
- /* To verify on an incoming send message response that this is
- the message that the response is for, we keep a sequence id
- and increment it every time we send a message. */
+ /*
+ * To verify on an incoming send message response that this is
+ * the message that the response is for, we keep a sequence id
+ * and increment it every time we send a message.
+ */
long seqid;
- /* This is held so we can properly respond to the message on a
- timeout, and it is used to hold the temporary data for
- retransmission, too. */
+ /*
+ * This is held so we can properly respond to the message on a
+ * timeout, and it is used to hold the temporary data for
+ * retransmission, too.
+ */
struct ipmi_recv_msg *recv_msg;
};
-/* Store the information in a msgid (long) to allow us to find a
- sequence table entry from the msgid. */
+/*
+ * Store the information in a msgid (long) to allow us to find a
+ * sequence table entry from the msgid.
+ */
#define STORE_SEQ_IN_MSGID(seq, seqid) (((seq&0xff)<<26) | (seqid&0x3ffffff))
#define GET_SEQ_FROM_MSGID(msgid, seq, seqid) \
do { \
seq = ((msgid >> 26) & 0x3f); \
seqid = (msgid & 0x3fffff); \
- } while (0)
+ } while (0)
#define NEXT_SEQID(seqid) (((seqid) + 1) & 0x3fffff)
-struct ipmi_channel
-{
+struct ipmi_channel {
unsigned char medium;
unsigned char protocol;
- /* My slave address. This is initialized to IPMI_BMC_SLAVE_ADDR,
- but may be changed by the user. */
+ /*
+ * My slave address. This is initialized to IPMI_BMC_SLAVE_ADDR,
+ * but may be changed by the user.
+ */
unsigned char address;
- /* My LUN. This should generally stay the SMS LUN, but just in
- case... */
+ /*
+ * My LUN. This should generally stay the SMS LUN, but just in
+ * case...
+ */
unsigned char lun;
};
#ifdef CONFIG_PROC_FS
-struct ipmi_proc_entry
-{
+struct ipmi_proc_entry {
char *name;
struct ipmi_proc_entry *next;
};
#endif
-struct bmc_device
-{
+struct bmc_device {
struct platform_device *dev;
struct ipmi_device_id id;
unsigned char guid[16];
#define IPMI_IPMB_NUM_SEQ 64
#define IPMI_MAX_CHANNELS 16
-struct ipmi_smi
-{
+struct ipmi_smi {
/* What interface number are we? */
int intf_num;
/* Used for a list of interfaces. */
struct list_head link;
- /* The list of upper layers that are using me. seq_lock
- * protects this. */
+ /*
+ * The list of upper layers that are using me. seq_lock
+ * protects this.
+ */
struct list_head users;
/* Information to supply to users. */
char *my_dev_name;
char *sysfs_name;
- /* This is the lower-layer's sender routine. Note that you
+ /*
+ * This is the lower-layer's sender routine. Note that you
* must either be holding the ipmi_interfaces_mutex or be in
* an umpreemptible region to use this. You must fetch the
- * value into a local variable and make sure it is not NULL. */
+ * value into a local variable and make sure it is not NULL.
+ */
struct ipmi_smi_handlers *handlers;
void *send_info;
/* Driver-model device for the system interface. */
struct device *si_dev;
- /* A table of sequence numbers for this interface. We use the
- sequence numbers for IPMB messages that go out of the
- interface to match them up with their responses. A routine
- is called periodically to time the items in this list. */
+ /*
+ * A table of sequence numbers for this interface. We use the
+ * sequence numbers for IPMB messages that go out of the
+ * interface to match them up with their responses. A routine
+ * is called periodically to time the items in this list.
+ */
spinlock_t seq_lock;
struct seq_table seq_table[IPMI_IPMB_NUM_SEQ];
int curr_seq;
- /* Messages that were delayed for some reason (out of memory,
- for instance), will go in here to be processed later in a
- periodic timer interrupt. */
+ /*
+ * Messages that were delayed for some reason (out of memory,
+ * for instance), will go in here to be processed later in a
+ * periodic timer interrupt.
+ */
spinlock_t waiting_msgs_lock;
struct list_head waiting_msgs;
- /* The list of command receivers that are registered for commands
- on this interface. */
+ /*
+ * The list of command receivers that are registered for commands
+ * on this interface.
+ */
struct mutex cmd_rcvrs_mutex;
struct list_head cmd_rcvrs;
- /* Events that were queues because no one was there to receive
- them. */
+ /*
+ * Events that were queues because no one was there to receive
+ * them.
+ */
spinlock_t events_lock; /* For dealing with event stuff. */
struct list_head waiting_events;
unsigned int waiting_events_count; /* How many events in queue? */
char delivering_events;
char event_msg_printed;
- /* The event receiver for my BMC, only really used at panic
- shutdown as a place to store this. */
+ /*
+ * The event receiver for my BMC, only really used at panic
+ * shutdown as a place to store this.
+ */
unsigned char event_receiver;
unsigned char event_receiver_lun;
unsigned char local_sel_device;
int auto_maintenance_timeout;
spinlock_t maintenance_mode_lock; /* Used in a timer... */
- /* A cheap hack, if this is non-null and a message to an
- interface comes in with a NULL user, call this routine with
- it. Note that the message will still be freed by the
- caller. This only works on the system interface. */
+ /*
+ * A cheap hack, if this is non-null and a message to an
+ * interface comes in with a NULL user, call this routine with
+ * it. Note that the message will still be freed by the
+ * caller. This only works on the system interface.
+ */
void (*null_user_handler)(ipmi_smi_t intf, struct ipmi_recv_msg *msg);
- /* When we are scanning the channels for an SMI, this will
- tell which channel we are scanning. */
+ /*
+ * When we are scanning the channels for an SMI, this will
+ * tell which channel we are scanning.
+ */
int curr_channel;
/* Channel information */
static LIST_HEAD(ipmi_interfaces);
static DEFINE_MUTEX(ipmi_interfaces_mutex);
-/* List of watchers that want to know when smi's are added and
- deleted. */
+/*
+ * List of watchers that want to know when smi's are added and deleted.
+ */
static LIST_HEAD(smi_watchers);
static DEFINE_MUTEX(smi_watchers_mutex);
for (i = 0; i < IPMI_IPMB_NUM_SEQ; i++) {
if ((intf->seq_table[i].inuse)
- && (intf->seq_table[i].recv_msg))
- {
+ && (intf->seq_table[i].recv_msg))
ipmi_free_recv_msg(intf->seq_table[i].recv_msg);
- }
}
}
}
return -ENOMEM;
}
+EXPORT_SYMBOL(ipmi_smi_watcher_register);
int ipmi_smi_watcher_unregister(struct ipmi_smi_watcher *watcher)
{
mutex_unlock(&smi_watchers_mutex);
return 0;
}
+EXPORT_SYMBOL(ipmi_smi_watcher_unregister);
/*
* Must be called with smi_watchers_mutex held.
}
if ((addr1->addr_type == IPMI_IPMB_ADDR_TYPE)
- || (addr1->addr_type == IPMI_IPMB_BROADCAST_ADDR_TYPE))
- {
+ || (addr1->addr_type == IPMI_IPMB_BROADCAST_ADDR_TYPE)) {
struct ipmi_ipmb_addr *ipmb_addr1
= (struct ipmi_ipmb_addr *) addr1;
struct ipmi_ipmb_addr *ipmb_addr2
int ipmi_validate_addr(struct ipmi_addr *addr, int len)
{
- if (len < sizeof(struct ipmi_system_interface_addr)) {
+ if (len < sizeof(struct ipmi_system_interface_addr))
return -EINVAL;
- }
if (addr->addr_type == IPMI_SYSTEM_INTERFACE_ADDR_TYPE) {
if (addr->channel != IPMI_BMC_CHANNEL)
return -EINVAL;
if ((addr->addr_type == IPMI_IPMB_ADDR_TYPE)
- || (addr->addr_type == IPMI_IPMB_BROADCAST_ADDR_TYPE))
- {
- if (len < sizeof(struct ipmi_ipmb_addr)) {
+ || (addr->addr_type == IPMI_IPMB_BROADCAST_ADDR_TYPE)) {
+ if (len < sizeof(struct ipmi_ipmb_addr))
return -EINVAL;
- }
return 0;
}
if (addr->addr_type == IPMI_LAN_ADDR_TYPE) {
- if (len < sizeof(struct ipmi_lan_addr)) {
+ if (len < sizeof(struct ipmi_lan_addr))
return -EINVAL;
- }
return 0;
}
return -EINVAL;
}
+EXPORT_SYMBOL(ipmi_validate_addr);
unsigned int ipmi_addr_length(int addr_type)
{
return sizeof(struct ipmi_system_interface_addr);
if ((addr_type == IPMI_IPMB_ADDR_TYPE)
- || (addr_type == IPMI_IPMB_BROADCAST_ADDR_TYPE))
- {
+ || (addr_type == IPMI_IPMB_BROADCAST_ADDR_TYPE))
return sizeof(struct ipmi_ipmb_addr);
- }
if (addr_type == IPMI_LAN_ADDR_TYPE)
return sizeof(struct ipmi_lan_addr);
return 0;
}
+EXPORT_SYMBOL(ipmi_addr_length);
static void deliver_response(struct ipmi_recv_msg *msg)
{
deliver_response(msg);
}
-/* Find the next sequence number not being used and add the given
- message with the given timeout to the sequence table. This must be
- called with the interface's seq_lock held. */
+/*
+ * Find the next sequence number not being used and add the given
+ * message with the given timeout to the sequence table. This must be
+ * called with the interface's seq_lock held.
+ */
static int intf_next_seq(ipmi_smi_t intf,
struct ipmi_recv_msg *recv_msg,
unsigned long timeout,
int rv = 0;
unsigned int i;
- for (i = intf->curr_seq;
- (i+1)%IPMI_IPMB_NUM_SEQ != intf->curr_seq;
- i = (i+1)%IPMI_IPMB_NUM_SEQ)
- {
+ for (i = intf->curr_seq; (i+1)%IPMI_IPMB_NUM_SEQ != intf->curr_seq;
+ i = (i+1)%IPMI_IPMB_NUM_SEQ) {
if (!intf->seq_table[i].inuse)
break;
}
if (!intf->seq_table[i].inuse) {
intf->seq_table[i].recv_msg = recv_msg;
- /* Start with the maximum timeout, when the send response
- comes in we will start the real timer. */
+ /*
+ * Start with the maximum timeout, when the send response
+ * comes in we will start the real timer.
+ */
intf->seq_table[i].timeout = MAX_MSG_TIMEOUT;
intf->seq_table[i].orig_timeout = timeout;
intf->seq_table[i].retries_left = retries;
} else {
rv = -EAGAIN;
}
-
+
return rv;
}
-/* Return the receive message for the given sequence number and
- release the sequence number so it can be reused. Some other data
- is passed in to be sure the message matches up correctly (to help
- guard against message coming in after their timeout and the
- sequence number being reused). */
+/*
+ * Return the receive message for the given sequence number and
+ * release the sequence number so it can be reused. Some other data
+ * is passed in to be sure the message matches up correctly (to help
+ * guard against message coming in after their timeout and the
+ * sequence number being reused).
+ */
static int intf_find_seq(ipmi_smi_t intf,
unsigned char seq,
short channel,
if (intf->seq_table[seq].inuse) {
struct ipmi_recv_msg *msg = intf->seq_table[seq].recv_msg;
- if ((msg->addr.channel == channel)
- && (msg->msg.cmd == cmd)
- && (msg->msg.netfn == netfn)
- && (ipmi_addr_equal(addr, &(msg->addr))))
- {
+ if ((msg->addr.channel == channel) && (msg->msg.cmd == cmd)
+ && (msg->msg.netfn == netfn)
+ && (ipmi_addr_equal(addr, &(msg->addr)))) {
*recv_msg = msg;
intf->seq_table[seq].inuse = 0;
rv = 0;
GET_SEQ_FROM_MSGID(msgid, seq, seqid);
spin_lock_irqsave(&(intf->seq_lock), flags);
- /* We do this verification because the user can be deleted
- while a message is outstanding. */
+ /*
+ * We do this verification because the user can be deleted
+ * while a message is outstanding.
+ */
if ((intf->seq_table[seq].inuse)
- && (intf->seq_table[seq].seqid == seqid))
- {
+ && (intf->seq_table[seq].seqid == seqid)) {
struct seq_table *ent = &(intf->seq_table[seq]);
ent->timeout = ent->orig_timeout;
rv = 0;
GET_SEQ_FROM_MSGID(msgid, seq, seqid);
spin_lock_irqsave(&(intf->seq_lock), flags);
- /* We do this verification because the user can be deleted
- while a message is outstanding. */
+ /*
+ * We do this verification because the user can be deleted
+ * while a message is outstanding.
+ */
if ((intf->seq_table[seq].inuse)
- && (intf->seq_table[seq].seqid == seqid))
- {
+ && (intf->seq_table[seq].seqid == seqid)) {
struct seq_table *ent = &(intf->seq_table[seq]);
ent->inuse = 0;
int rv = 0;
ipmi_smi_t intf;
- /* There is no module usecount here, because it's not
- required. Since this can only be used by and called from
- other modules, they will implicitly use this module, and
- thus this can't be removed unless the other modules are
- removed. */
+ /*
+ * There is no module usecount here, because it's not
+ * required. Since this can only be used by and called from
+ * other modules, they will implicitly use this module, and
+ * thus this can't be removed unless the other modules are
+ * removed.
+ */
if (handler == NULL)
return -EINVAL;
- /* Make sure the driver is actually initialized, this handles
- problems with initialization order. */
+ /*
+ * Make sure the driver is actually initialized, this handles
+ * problems with initialization order.
+ */
if (!initialized) {
rv = ipmi_init_msghandler();
if (rv)
return rv;
- /* The init code doesn't return an error if it was turned
- off, but it won't initialize. Check that. */
+ /*
+ * The init code doesn't return an error if it was turned
+ * off, but it won't initialize. Check that.
+ */
if (!initialized)
return -ENODEV;
}
}
}
- /* Hold the lock so intf->handlers is guaranteed to be good
- * until now */
+ /*
+ * Hold the lock so intf->handlers is guaranteed to be good
+ * until now
+ */
mutex_unlock(&ipmi_interfaces_mutex);
new_user->valid = 1;
kfree(new_user);
return rv;
}
+EXPORT_SYMBOL(ipmi_create_user);
static void free_user(struct kref *ref)
{
for (i = 0; i < IPMI_IPMB_NUM_SEQ; i++) {
if (intf->seq_table[i].inuse
- && (intf->seq_table[i].recv_msg->user == user))
- {
+ && (intf->seq_table[i].recv_msg->user == user)) {
intf->seq_table[i].inuse = 0;
ipmi_free_recv_msg(intf->seq_table[i].recv_msg);
}
return 0;
}
+EXPORT_SYMBOL(ipmi_destroy_user);
void ipmi_get_version(ipmi_user_t user,
unsigned char *major,
*major = user->intf->ipmi_version_major;
*minor = user->intf->ipmi_version_minor;
}
+EXPORT_SYMBOL(ipmi_get_version);
int ipmi_set_my_address(ipmi_user_t user,
unsigned int channel,
user->intf->channels[channel].address = address;
return 0;
}
+EXPORT_SYMBOL(ipmi_set_my_address);
int ipmi_get_my_address(ipmi_user_t user,
unsigned int channel,
*address = user->intf->channels[channel].address;
return 0;
}
+EXPORT_SYMBOL(ipmi_get_my_address);
int ipmi_set_my_LUN(ipmi_user_t user,
unsigned int channel,
user->intf->channels[channel].lun = LUN & 0x3;
return 0;
}
+EXPORT_SYMBOL(ipmi_set_my_LUN);
int ipmi_get_my_LUN(ipmi_user_t user,
unsigned int channel,
*address = user->intf->channels[channel].lun;
return 0;
}
+EXPORT_SYMBOL(ipmi_get_my_LUN);
int ipmi_get_maintenance_mode(ipmi_user_t user)
{
return 0;
}
+EXPORT_SYMBOL(ipmi_set_gets_events);
static struct cmd_rcvr *find_cmd_rcvr(ipmi_smi_t intf,
unsigned char netfn,
return rv;
}
+EXPORT_SYMBOL(ipmi_register_for_cmd);
int ipmi_unregister_for_cmd(ipmi_user_t user,
unsigned char netfn,
}
return rv;
}
+EXPORT_SYMBOL(ipmi_unregister_for_cmd);
static unsigned char
ipmb_checksum(unsigned char *data, int size)
{
unsigned char csum = 0;
-
+
for (; size > 0; size--, data++)
csum += *data;
= ipmb_checksum(&(smi_msg->data[i+6]),
smi_msg->data_size-6);
- /* Add on the checksum size and the offset from the
- broadcast. */
+ /*
+ * Add on the checksum size and the offset from the
+ * broadcast.
+ */
smi_msg->data_size += 1 + i;
smi_msg->msgid = msgid;
= ipmb_checksum(&(smi_msg->data[7]),
smi_msg->data_size-7);
- /* Add on the checksum size and the offset from the
- broadcast. */
+ /*
+ * Add on the checksum size and the offset from the
+ * broadcast.
+ */
smi_msg->data_size += 1;
smi_msg->msgid = msgid;
}
-/* Separate from ipmi_request so that the user does not have to be
- supplied in certain circumstances (mainly at panic time). If
- messages are supplied, they will be freed, even if an error
- occurs. */
+/*
+ * Separate from ipmi_request so that the user does not have to be
+ * supplied in certain circumstances (mainly at panic time). If
+ * messages are supplied, they will be freed, even if an error
+ * occurs.
+ */
static int i_ipmi_request(ipmi_user_t user,
ipmi_smi_t intf,
struct ipmi_addr *addr,
struct ipmi_smi_handlers *handlers;
- if (supplied_recv) {
+ if (supplied_recv)
recv_msg = supplied_recv;
- } else {
+ else {
recv_msg = ipmi_alloc_recv_msg();
- if (recv_msg == NULL) {
+ if (recv_msg == NULL)
return -ENOMEM;
- }
}
recv_msg->user_msg_data = user_msg_data;
- if (supplied_smi) {
+ if (supplied_smi)
smi_msg = (struct ipmi_smi_msg *) supplied_smi;
- } else {
+ else {
smi_msg = ipmi_alloc_smi_msg();
if (smi_msg == NULL) {
ipmi_free_recv_msg(recv_msg);
if (user)
kref_get(&user->refcount);
recv_msg->msgid = msgid;
- /* Store the message to send in the receive message so timeout
- responses can get the proper response data. */
+ /*
+ * Store the message to send in the receive message so timeout
+ * responses can get the proper response data.
+ */
recv_msg->msg = *msg;
if (addr->addr_type == IPMI_SYSTEM_INTERFACE_ADDR_TYPE) {
if ((msg->netfn == IPMI_NETFN_APP_REQUEST)
&& ((msg->cmd == IPMI_SEND_MSG_CMD)
|| (msg->cmd == IPMI_GET_MSG_CMD)
- || (msg->cmd == IPMI_READ_EVENT_MSG_BUFFER_CMD)))
- {
- /* We don't let the user do these, since we manage
- the sequence numbers. */
+ || (msg->cmd == IPMI_READ_EVENT_MSG_BUFFER_CMD))) {
+ /*
+ * We don't let the user do these, since we manage
+ * the sequence numbers.
+ */
ipmi_inc_stat(intf, sent_invalid_commands);
rv = -EINVAL;
goto out_err;
if (((msg->netfn == IPMI_NETFN_APP_REQUEST)
&& ((msg->cmd == IPMI_COLD_RESET_CMD)
|| (msg->cmd == IPMI_WARM_RESET_CMD)))
- || (msg->netfn == IPMI_NETFN_FIRMWARE_REQUEST))
- {
+ || (msg->netfn == IPMI_NETFN_FIRMWARE_REQUEST)) {
spin_lock_irqsave(&intf->maintenance_mode_lock, flags);
intf->auto_maintenance_timeout
= IPMI_MAINTENANCE_MODE_TIMEOUT;
if (!intf->maintenance_mode
- && !intf->maintenance_mode_enable)
- {
+ && !intf->maintenance_mode_enable) {
intf->maintenance_mode_enable = 1;
maintenance_mode_update(intf);
}
smi_msg->data_size = msg->data_len + 2;
ipmi_inc_stat(intf, sent_local_commands);
} else if ((addr->addr_type == IPMI_IPMB_ADDR_TYPE)
- || (addr->addr_type == IPMI_IPMB_BROADCAST_ADDR_TYPE))
- {
+ || (addr->addr_type == IPMI_IPMB_BROADCAST_ADDR_TYPE)) {
struct ipmi_ipmb_addr *ipmb_addr;
unsigned char ipmb_seq;
long seqid;
}
if (intf->channels[addr->channel].medium
- != IPMI_CHANNEL_MEDIUM_IPMB)
- {
+ != IPMI_CHANNEL_MEDIUM_IPMB) {
ipmi_inc_stat(intf, sent_invalid_commands);
rv = -EINVAL;
goto out_err;
retries = 4;
}
if (addr->addr_type == IPMI_IPMB_BROADCAST_ADDR_TYPE) {
- /* Broadcasts add a zero at the beginning of the
- message, but otherwise is the same as an IPMB
- address. */
+ /*
+ * Broadcasts add a zero at the beginning of the
+ * message, but otherwise is the same as an IPMB
+ * address.
+ */
addr->addr_type = IPMI_IPMB_ADDR_TYPE;
broadcast = 1;
}
if (retry_time_ms == 0)
retry_time_ms = 1000;
- /* 9 for the header and 1 for the checksum, plus
- possibly one for the broadcast. */
+ /*
+ * 9 for the header and 1 for the checksum, plus
+ * possibly one for the broadcast.
+ */
if ((msg->data_len + 10 + broadcast) > IPMI_MAX_MSG_LENGTH) {
ipmi_inc_stat(intf, sent_invalid_commands);
rv = -EMSGSIZE;
memcpy(&recv_msg->addr, ipmb_addr, sizeof(*ipmb_addr));
if (recv_msg->msg.netfn & 0x1) {
- /* It's a response, so use the user's sequence
- from msgid. */
+ /*
+ * It's a response, so use the user's sequence
+ * from msgid.
+ */
ipmi_inc_stat(intf, sent_ipmb_responses);
format_ipmb_msg(smi_msg, msg, ipmb_addr, msgid,
msgid, broadcast,
source_address, source_lun);
- /* Save the receive message so we can use it
- to deliver the response. */
+ /*
+ * Save the receive message so we can use it
+ * to deliver the response.
+ */
smi_msg->user_data = recv_msg;
} else {
/* It's a command, so get a sequence for it. */
ipmi_inc_stat(intf, sent_ipmb_commands);
- /* Create a sequence number with a 1 second
- timeout and 4 retries. */
+ /*
+ * Create a sequence number with a 1 second
+ * timeout and 4 retries.
+ */
rv = intf_next_seq(intf,
recv_msg,
retry_time_ms,
&ipmb_seq,
&seqid);
if (rv) {
- /* We have used up all the sequence numbers,
- probably, so abort. */
+ /*
+ * We have used up all the sequence numbers,
+ * probably, so abort.
+ */
spin_unlock_irqrestore(&(intf->seq_lock),
flags);
goto out_err;
}
- /* Store the sequence number in the message,
- so that when the send message response
- comes back we can start the timer. */
+ /*
+ * Store the sequence number in the message,
+ * so that when the send message response
+ * comes back we can start the timer.
+ */
format_ipmb_msg(smi_msg, msg, ipmb_addr,
STORE_SEQ_IN_MSGID(ipmb_seq, seqid),
ipmb_seq, broadcast,
source_address, source_lun);
- /* Copy the message into the recv message data, so we
- can retransmit it later if necessary. */
+ /*
+ * Copy the message into the recv message data, so we
+ * can retransmit it later if necessary.
+ */
memcpy(recv_msg->msg_data, smi_msg->data,
smi_msg->data_size);
recv_msg->msg.data = recv_msg->msg_data;
recv_msg->msg.data_len = smi_msg->data_size;
- /* We don't unlock until here, because we need
- to copy the completed message into the
- recv_msg before we release the lock.
- Otherwise, race conditions may bite us. I
- know that's pretty paranoid, but I prefer
- to be correct. */
+ /*
+ * We don't unlock until here, because we need
+ * to copy the completed message into the
+ * recv_msg before we release the lock.
+ * Otherwise, race conditions may bite us. I
+ * know that's pretty paranoid, but I prefer
+ * to be correct.
+ */
spin_unlock_irqrestore(&(intf->seq_lock), flags);
}
} else if (addr->addr_type == IPMI_LAN_ADDR_TYPE) {
}
if ((intf->channels[addr->channel].medium
- != IPMI_CHANNEL_MEDIUM_8023LAN)
+ != IPMI_CHANNEL_MEDIUM_8023LAN)
&& (intf->channels[addr->channel].medium
- != IPMI_CHANNEL_MEDIUM_ASYNC))
- {
+ != IPMI_CHANNEL_MEDIUM_ASYNC)) {
ipmi_inc_stat(intf, sent_invalid_commands);
rv = -EINVAL;
goto out_err;
memcpy(&recv_msg->addr, lan_addr, sizeof(*lan_addr));
if (recv_msg->msg.netfn & 0x1) {
- /* It's a response, so use the user's sequence
- from msgid. */
+ /*
+ * It's a response, so use the user's sequence
+ * from msgid.
+ */
ipmi_inc_stat(intf, sent_lan_responses);
format_lan_msg(smi_msg, msg, lan_addr, msgid,
msgid, source_lun);
- /* Save the receive message so we can use it
- to deliver the response. */
+ /*
+ * Save the receive message so we can use it
+ * to deliver the response.
+ */
smi_msg->user_data = recv_msg;
} else {
/* It's a command, so get a sequence for it. */
ipmi_inc_stat(intf, sent_lan_commands);
- /* Create a sequence number with a 1 second
- timeout and 4 retries. */
+ /*
+ * Create a sequence number with a 1 second
+ * timeout and 4 retries.
+ */
rv = intf_next_seq(intf,
recv_msg,
retry_time_ms,
&ipmb_seq,
&seqid);
if (rv) {
- /* We have used up all the sequence numbers,
- probably, so abort. */
+ /*
+ * We have used up all the sequence numbers,
+ * probably, so abort.
+ */
spin_unlock_irqrestore(&(intf->seq_lock),
flags);
goto out_err;
}
- /* Store the sequence number in the message,
- so that when the send message response
- comes back we can start the timer. */
+ /*
+ * Store the sequence number in the message,
+ * so that when the send message response
+ * comes back we can start the timer.
+ */
format_lan_msg(smi_msg, msg, lan_addr,
STORE_SEQ_IN_MSGID(ipmb_seq, seqid),
ipmb_seq, source_lun);
- /* Copy the message into the recv message data, so we
- can retransmit it later if necessary. */
+ /*
+ * Copy the message into the recv message data, so we
+ * can retransmit it later if necessary.
+ */
memcpy(recv_msg->msg_data, smi_msg->data,
smi_msg->data_size);
recv_msg->msg.data = recv_msg->msg_data;
recv_msg->msg.data_len = smi_msg->data_size;
- /* We don't unlock until here, because we need
- to copy the completed message into the
- recv_msg before we release the lock.
- Otherwise, race conditions may bite us. I
- know that's pretty paranoid, but I prefer
- to be correct. */
+ /*
+ * We don't unlock until here, because we need
+ * to copy the completed message into the
+ * recv_msg before we release the lock.
+ * Otherwise, race conditions may bite us. I
+ * know that's pretty paranoid, but I prefer
+ * to be correct.
+ */
spin_unlock_irqrestore(&(intf->seq_lock), flags);
}
} else {
retries,
retry_time_ms);
}
+EXPORT_SYMBOL(ipmi_request_settime);
int ipmi_request_supply_msgs(ipmi_user_t user,
struct ipmi_addr *addr,
lun,
-1, 0);
}
+EXPORT_SYMBOL(ipmi_request_supply_msgs);
#ifdef CONFIG_PROC_FS
static int ipmb_file_read_proc(char *page, char **start, off_t off,
return rv;
}
+EXPORT_SYMBOL(ipmi_smi_add_proc_entry);
static int add_proc_entries(ipmi_smi_t smi, int num)
{
smi->proc_dir = proc_mkdir(smi->proc_dir_name, proc_ipmi_root);
if (!smi->proc_dir)
rv = -ENOMEM;
- else {
+ else
smi->proc_dir->owner = THIS_MODULE;
- }
if (rv == 0)
rv = ipmi_smi_add_proc_entry(smi, "stats",
err = device_create_file(&bmc->dev->dev,
&bmc->device_id_attr);
- if (err) goto out;
+ if (err)
+ goto out;
err = device_create_file(&bmc->dev->dev,
&bmc->provides_dev_sdrs_attr);
- if (err) goto out_devid;
+ if (err)
+ goto out_devid;
err = device_create_file(&bmc->dev->dev,
&bmc->revision_attr);
- if (err) goto out_sdrs;
+ if (err)
+ goto out_sdrs;
err = device_create_file(&bmc->dev->dev,
&bmc->firmware_rev_attr);
- if (err) goto out_rev;
+ if (err)
+ goto out_rev;
err = device_create_file(&bmc->dev->dev,
&bmc->version_attr);
- if (err) goto out_firm;
+ if (err)
+ goto out_firm;
err = device_create_file(&bmc->dev->dev,
&bmc->add_dev_support_attr);
- if (err) goto out_version;
+ if (err)
+ goto out_version;
err = device_create_file(&bmc->dev->dev,
&bmc->manufacturer_id_attr);
- if (err) goto out_add_dev;
+ if (err)
+ goto out_add_dev;
err = device_create_file(&bmc->dev->dev,
&bmc->product_id_attr);
- if (err) goto out_manu;
+ if (err)
+ goto out_manu;
if (bmc->id.aux_firmware_revision_set) {
err = device_create_file(&bmc->dev->dev,
&bmc->aux_firmware_rev_attr);
- if (err) goto out_prod_id;
+ if (err)
+ goto out_prod_id;
}
if (bmc->guid_set) {
err = device_create_file(&bmc->dev->dev,
&bmc->guid_attr);
- if (err) goto out_aux_firm;
+ if (err)
+ goto out_aux_firm;
}
return 0;
"ipmi_msghandler:"
" Unable to register bmc device: %d\n",
rv);
- /* Don't go to out_err, you can only do that if
- the device is registered already. */
+ /*
+ * Don't go to out_err, you can only do that if
+ * the device is registered already.
+ */
return rv;
}
if ((msg->addr.addr_type == IPMI_SYSTEM_INTERFACE_ADDR_TYPE)
&& (msg->msg.netfn == IPMI_NETFN_APP_RESPONSE)
- && (msg->msg.cmd == IPMI_GET_CHANNEL_INFO_CMD))
- {
+ && (msg->msg.cmd == IPMI_GET_CHANNEL_INFO_CMD)) {
/* It's the one we want */
if (msg->msg.data[0] != 0) {
/* Got an error from the channel, just go on. */
if (msg->msg.data[0] == IPMI_INVALID_COMMAND_ERR) {
- /* If the MC does not support this
- command, that is legal. We just
- assume it has one IPMB at channel
- zero. */
+ /*
+ * If the MC does not support this
+ * command, that is legal. We just
+ * assume it has one IPMB at channel
+ * zero.
+ */
intf->channels[0].medium
= IPMI_CHANNEL_MEDIUM_IPMB;
intf->channels[0].protocol
intf->channels[chan].medium = msg->msg.data[2] & 0x7f;
intf->channels[chan].protocol = msg->msg.data[3] & 0x1f;
- next_channel:
+ next_channel:
intf->curr_channel++;
if (intf->curr_channel >= IPMI_MAX_CHANNELS)
wake_up(&intf->waitq);
if (intf->handlers->poll)
intf->handlers->poll(intf->send_info);
}
+EXPORT_SYMBOL(ipmi_poll_interface);
int ipmi_register_smi(struct ipmi_smi_handlers *handlers,
void *send_info,
ipmi_smi_t tintf;
struct list_head *link;
- /* Make sure the driver is actually initialized, this handles
- problems with initialization order. */
+ /*
+ * Make sure the driver is actually initialized, this handles
+ * problems with initialization order.
+ */
if (!initialized) {
rv = ipmi_init_msghandler();
if (rv)
return rv;
- /* The init code doesn't return an error if it was turned
- off, but it won't initialize. Check that. */
+ /*
+ * The init code doesn't return an error if it was turned
+ * off, but it won't initialize. Check that.
+ */
if (!initialized)
return -ENODEV;
}
get_guid(intf);
if ((intf->ipmi_version_major > 1)
- || ((intf->ipmi_version_major == 1)
- && (intf->ipmi_version_minor >= 5)))
- {
- /* Start scanning the channels to see what is
- available. */
+ || ((intf->ipmi_version_major == 1)
+ && (intf->ipmi_version_minor >= 5))) {
+ /*
+ * Start scanning the channels to see what is
+ * available.
+ */
intf->null_user_handler = channel_handler;
intf->curr_channel = 0;
rv = send_channel_info_cmd(intf, 0);
return rv;
}
+EXPORT_SYMBOL(ipmi_register_smi);
static void cleanup_smi_msgs(ipmi_smi_t intf)
{
remove_proc_entries(intf);
- /* Call all the watcher interfaces to tell them that
- an interface is gone. */
+ /*
+ * Call all the watcher interfaces to tell them that
+ * an interface is gone.
+ */
list_for_each_entry(w, &smi_watchers, link)
w->smi_gone(intf_num);
mutex_unlock(&smi_watchers_mutex);
kref_put(&intf->refcount, intf_free);
return 0;
}
+EXPORT_SYMBOL(ipmi_unregister_smi);
static int handle_ipmb_get_msg_rsp(ipmi_smi_t intf,
struct ipmi_smi_msg *msg)
struct ipmi_ipmb_addr ipmb_addr;
struct ipmi_recv_msg *recv_msg;
-
- /* This is 11, not 10, because the response must contain a
- * completion code. */
+ /*
+ * This is 11, not 10, because the response must contain a
+ * completion code.
+ */
if (msg->rsp_size < 11) {
/* Message not big enough, just ignore it. */
ipmi_inc_stat(intf, invalid_ipmb_responses);
ipmb_addr.channel = msg->rsp[3] & 0x0f;
ipmb_addr.lun = msg->rsp[7] & 3;
- /* It's a response from a remote entity. Look up the sequence
- number and handle the response. */
+ /*
+ * It's a response from a remote entity. Look up the sequence
+ * number and handle the response.
+ */
if (intf_find_seq(intf,
msg->rsp[7] >> 2,
msg->rsp[3] & 0x0f,
msg->rsp[8],
(msg->rsp[4] >> 2) & (~1),
(struct ipmi_addr *) &(ipmb_addr),
- &recv_msg))
- {
- /* We were unable to find the sequence number,
- so just nuke the message. */
+ &recv_msg)) {
+ /*
+ * We were unable to find the sequence number,
+ * so just nuke the message.
+ */
ipmi_inc_stat(intf, unhandled_ipmb_responses);
return 0;
}
memcpy(recv_msg->msg_data,
&(msg->rsp[9]),
msg->rsp_size - 9);
- /* THe other fields matched, so no need to set them, except
- for netfn, which needs to be the response that was
- returned, not the request value. */
+ /*
+ * The other fields matched, so no need to set them, except
+ * for netfn, which needs to be the response that was
+ * returned, not the request value.
+ */
recv_msg->msg.netfn = msg->rsp[4] >> 2;
recv_msg->msg.data = recv_msg->msg_data;
recv_msg->msg.data_len = msg->rsp_size - 10;
msg->data[1] = IPMI_SEND_MSG_CMD;
msg->data[2] = msg->rsp[3];
msg->data[3] = msg->rsp[6];
- msg->data[4] = ((netfn + 1) << 2) | (msg->rsp[7] & 0x3);
+ msg->data[4] = ((netfn + 1) << 2) | (msg->rsp[7] & 0x3);
msg->data[5] = ipmb_checksum(&(msg->data[3]), 2);
msg->data[6] = intf->channels[msg->rsp[3] & 0xf].address;
- /* rqseq/lun */
- msg->data[7] = (msg->rsp[7] & 0xfc) | (msg->rsp[4] & 0x3);
+ /* rqseq/lun */
+ msg->data[7] = (msg->rsp[7] & 0xfc) | (msg->rsp[4] & 0x3);
msg->data[8] = msg->rsp[8]; /* cmd */
msg->data[9] = IPMI_INVALID_CMD_COMPLETION_CODE;
msg->data[10] = ipmb_checksum(&(msg->data[6]), 4);
handlers = intf->handlers;
if (handlers) {
handlers->sender(intf->send_info, msg, 0);
- /* We used the message, so return the value
- that causes it to not be freed or
- queued. */
+ /*
+ * We used the message, so return the value
+ * that causes it to not be freed or
+ * queued.
+ */
rv = -1;
}
rcu_read_unlock();
recv_msg = ipmi_alloc_recv_msg();
if (!recv_msg) {
- /* We couldn't allocate memory for the
- message, so requeue it for handling
- later. */
+ /*
+ * We couldn't allocate memory for the
+ * message, so requeue it for handling
+ * later.
+ */
rv = 1;
kref_put(&user->refcount, free_user);
} else {
ipmb_addr->lun = msg->rsp[7] & 3;
ipmb_addr->channel = msg->rsp[3] & 0xf;
- /* Extract the rest of the message information
- from the IPMB header.*/
+ /*
+ * Extract the rest of the message information
+ * from the IPMB header.
+ */
recv_msg->user = user;
recv_msg->recv_type = IPMI_CMD_RECV_TYPE;
recv_msg->msgid = msg->rsp[7] >> 2;
recv_msg->msg.cmd = msg->rsp[8];
recv_msg->msg.data = recv_msg->msg_data;
- /* We chop off 10, not 9 bytes because the checksum
- at the end also needs to be removed. */
+ /*
+ * We chop off 10, not 9 bytes because the checksum
+ * at the end also needs to be removed.
+ */
recv_msg->msg.data_len = msg->rsp_size - 10;
memcpy(recv_msg->msg_data,
&(msg->rsp[9]),
struct ipmi_recv_msg *recv_msg;
- /* This is 13, not 12, because the response must contain a
- * completion code. */
+ /*
+ * This is 13, not 12, because the response must contain a
+ * completion code.
+ */
if (msg->rsp_size < 13) {
/* Message not big enough, just ignore it. */
ipmi_inc_stat(intf, invalid_lan_responses);
lan_addr.privilege = msg->rsp[3] >> 4;
lan_addr.lun = msg->rsp[9] & 3;
- /* It's a response from a remote entity. Look up the sequence
- number and handle the response. */
+ /*
+ * It's a response from a remote entity. Look up the sequence
+ * number and handle the response.
+ */
if (intf_find_seq(intf,
msg->rsp[9] >> 2,
msg->rsp[3] & 0x0f,
msg->rsp[10],
(msg->rsp[6] >> 2) & (~1),
(struct ipmi_addr *) &(lan_addr),
- &recv_msg))
- {
- /* We were unable to find the sequence number,
- so just nuke the message. */
+ &recv_msg)) {
+ /*
+ * We were unable to find the sequence number,
+ * so just nuke the message.
+ */
ipmi_inc_stat(intf, unhandled_lan_responses);
return 0;
}
memcpy(recv_msg->msg_data,
&(msg->rsp[11]),
msg->rsp_size - 11);
- /* The other fields matched, so no need to set them, except
- for netfn, which needs to be the response that was
- returned, not the request value. */
+ /*
+ * The other fields matched, so no need to set them, except
+ * for netfn, which needs to be the response that was
+ * returned, not the request value.
+ */
recv_msg->msg.netfn = msg->rsp[6] >> 2;
recv_msg->msg.data = recv_msg->msg_data;
recv_msg->msg.data_len = msg->rsp_size - 12;
/* We didn't find a user, just give up. */
ipmi_inc_stat(intf, unhandled_commands);
- rv = 0; /* Don't do anything with these messages, just
- allow them to be freed. */
+ /*
+ * Don't do anything with these messages, just allow
+ * them to be freed.
+ */
+ rv = 0;
} else {
/* Deliver the message to the user. */
ipmi_inc_stat(intf, handled_commands);
recv_msg = ipmi_alloc_recv_msg();
if (!recv_msg) {
- /* We couldn't allocate memory for the
- message, so requeue it for handling
- later. */
+ /*
+ * We couldn't allocate memory for the
+ * message, so requeue it for handling later.
+ */
rv = 1;
kref_put(&user->refcount, free_user);
} else {
lan_addr->channel = msg->rsp[3] & 0xf;
lan_addr->privilege = msg->rsp[3] >> 4;
- /* Extract the rest of the message information
- from the IPMB header.*/
+ /*
+ * Extract the rest of the message information
+ * from the IPMB header.
+ */
recv_msg->user = user;
recv_msg->recv_type = IPMI_CMD_RECV_TYPE;
recv_msg->msgid = msg->rsp[9] >> 2;
recv_msg->msg.cmd = msg->rsp[10];
recv_msg->msg.data = recv_msg->msg_data;
- /* We chop off 12, not 11 bytes because the checksum
- at the end also needs to be removed. */
+ /*
+ * We chop off 12, not 11 bytes because the checksum
+ * at the end also needs to be removed.
+ */
recv_msg->msg.data_len = msg->rsp_size - 12;
memcpy(recv_msg->msg_data,
&(msg->rsp[11]),
struct ipmi_smi_msg *msg)
{
struct ipmi_system_interface_addr *smi_addr;
-
+
recv_msg->msgid = 0;
smi_addr = (struct ipmi_system_interface_addr *) &(recv_msg->addr);
smi_addr->addr_type = IPMI_SYSTEM_INTERFACE_ADDR_TYPE;
ipmi_inc_stat(intf, events);
- /* Allocate and fill in one message for every user that is getting
- events. */
+ /*
+ * Allocate and fill in one message for every user that is
+ * getting events.
+ */
rcu_read_lock();
list_for_each_entry_rcu(user, &intf->users, link) {
if (!user->gets_events)
list_del(&recv_msg->link);
ipmi_free_recv_msg(recv_msg);
}
- /* We couldn't allocate memory for the
- message, so requeue it for handling
- later. */
+ /*
+ * We couldn't allocate memory for the
+ * message, so requeue it for handling
+ * later.
+ */
rv = 1;
goto out;
}
deliver_response(recv_msg);
}
} else if (intf->waiting_events_count < MAX_EVENTS_IN_QUEUE) {
- /* No one to receive the message, put it in queue if there's
- not already too many things in the queue. */
+ /*
+ * No one to receive the message, put it in queue if there's
+ * not already too many things in the queue.
+ */
recv_msg = ipmi_alloc_recv_msg();
if (!recv_msg) {
- /* We couldn't allocate memory for the
- message, so requeue it for handling
- later. */
+ /*
+ * We couldn't allocate memory for the
+ * message, so requeue it for handling
+ * later.
+ */
rv = 1;
goto out;
}
list_add_tail(&(recv_msg->link), &(intf->waiting_events));
intf->waiting_events_count++;
} else if (!intf->event_msg_printed) {
- /* There's too many things in the queue, discard this
- message. */
+ /*
+ * There's too many things in the queue, discard this
+ * message.
+ */
printk(KERN_WARNING PFX "Event queue full, discarding"
" incoming events\n");
intf->event_msg_printed = 1;
struct ipmi_user *user;
recv_msg = (struct ipmi_recv_msg *) msg->user_data;
- if (recv_msg == NULL)
- {
- printk(KERN_WARNING"IPMI message received with no owner. This\n"
- "could be because of a malformed message, or\n"
- "because of a hardware error. Contact your\n"
- "hardware vender for assistance\n");
+ if (recv_msg == NULL) {
+ printk(KERN_WARNING
+ "IPMI message received with no owner. This\n"
+ "could be because of a malformed message, or\n"
+ "because of a hardware error. Contact your\n"
+ "hardware vender for assistance\n");
return 0;
}
return 0;
}
-/* Handle a new message. Return 1 if the message should be requeued,
- 0 if the message should be freed, or -1 if the message should not
- be freed or requeued. */
+/*
+ * Handle a new message. Return 1 if the message should be requeued,
+ * 0 if the message should be freed, or -1 if the message should not
+ * be freed or requeued.
+ */
static int handle_new_recv_msg(ipmi_smi_t intf,
struct ipmi_smi_msg *msg)
{
msg->rsp[1] = msg->data[1];
msg->rsp[2] = IPMI_ERR_UNSPECIFIED;
msg->rsp_size = 3;
- } else if (((msg->rsp[0] >> 2) != ((msg->data[0] >> 2) | 1))/* Netfn */
- || (msg->rsp[1] != msg->data[1])) /* Command */
- {
- /* The response is not even marginally correct. */
+ } else if (((msg->rsp[0] >> 2) != ((msg->data[0] >> 2) | 1))
+ || (msg->rsp[1] != msg->data[1])) {
+ /*
+ * The NetFN and Command in the response is not even
+ * marginally correct.
+ */
printk(KERN_WARNING PFX "BMC returned incorrect response,"
" expected netfn %x cmd %x, got netfn %x cmd %x\n",
(msg->data[0] >> 2) | 1, msg->data[1],
if ((msg->rsp[0] == ((IPMI_NETFN_APP_REQUEST|1) << 2))
&& (msg->rsp[1] == IPMI_SEND_MSG_CMD)
- && (msg->user_data != NULL))
- {
- /* It's a response to a response we sent. For this we
- deliver a send message response to the user. */
+ && (msg->user_data != NULL)) {
+ /*
+ * It's a response to a response we sent. For this we
+ * deliver a send message response to the user.
+ */
struct ipmi_recv_msg *recv_msg = msg->user_data;
requeue = 0;
recv_msg->msg_data[0] = msg->rsp[2];
deliver_response(recv_msg);
} else if ((msg->rsp[0] == ((IPMI_NETFN_APP_REQUEST|1) << 2))
- && (msg->rsp[1] == IPMI_GET_MSG_CMD))
- {
+ && (msg->rsp[1] == IPMI_GET_MSG_CMD)) {
/* It's from the receive queue. */
chan = msg->rsp[3] & 0xf;
if (chan >= IPMI_MAX_CHANNELS) {
switch (intf->channels[chan].medium) {
case IPMI_CHANNEL_MEDIUM_IPMB:
if (msg->rsp[4] & 0x04) {
- /* It's a response, so find the
- requesting message and send it up. */
+ /*
+ * It's a response, so find the
+ * requesting message and send it up.
+ */
requeue = handle_ipmb_get_msg_rsp(intf, msg);
} else {
- /* It's a command to the SMS from some other
- entity. Handle that. */
+ /*
+ * It's a command to the SMS from some other
+ * entity. Handle that.
+ */
requeue = handle_ipmb_get_msg_cmd(intf, msg);
}
break;
case IPMI_CHANNEL_MEDIUM_8023LAN:
case IPMI_CHANNEL_MEDIUM_ASYNC:
if (msg->rsp[6] & 0x04) {
- /* It's a response, so find the
- requesting message and send it up. */
+ /*
+ * It's a response, so find the
+ * requesting message and send it up.
+ */
requeue = handle_lan_get_msg_rsp(intf, msg);
} else {
- /* It's a command to the SMS from some other
- entity. Handle that. */
+ /*
+ * It's a command to the SMS from some other
+ * entity. Handle that.
+ */
requeue = handle_lan_get_msg_cmd(intf, msg);
}
break;
default:
- /* We don't handle the channel type, so just
- * free the message. */
+ /*
+ * We don't handle the channel type, so just
+ * free the message.
+ */
requeue = 0;
}
} else if ((msg->rsp[0] == ((IPMI_NETFN_APP_REQUEST|1) << 2))
- && (msg->rsp[1] == IPMI_READ_EVENT_MSG_BUFFER_CMD))
- {
+ && (msg->rsp[1] == IPMI_READ_EVENT_MSG_BUFFER_CMD)) {
/* It's an asyncronous event. */
requeue = handle_read_event_rsp(intf, msg);
} else {
if ((msg->data_size >= 2)
&& (msg->data[0] == (IPMI_NETFN_APP_REQUEST << 2))
&& (msg->data[1] == IPMI_SEND_MSG_CMD)
- && (msg->user_data == NULL))
- {
- /* This is the local response to a command send, start
- the timer for these. The user_data will not be
- NULL if this is a response send, and we will let
- response sends just go through. */
-
- /* Check for errors, if we get certain errors (ones
- that mean basically we can try again later), we
- ignore them and start the timer. Otherwise we
- report the error immediately. */
+ && (msg->user_data == NULL)) {
+ /*
+ * This is the local response to a command send, start
+ * the timer for these. The user_data will not be
+ * NULL if this is a response send, and we will let
+ * response sends just go through.
+ */
+
+ /*
+ * Check for errors, if we get certain errors (ones
+ * that mean basically we can try again later), we
+ * ignore them and start the timer. Otherwise we
+ * report the error immediately.
+ */
if ((msg->rsp_size >= 3) && (msg->rsp[2] != 0)
&& (msg->rsp[2] != IPMI_NODE_BUSY_ERR)
&& (msg->rsp[2] != IPMI_LOST_ARBITRATION_ERR)
&& (msg->rsp[2] != IPMI_BUS_ERR)
- && (msg->rsp[2] != IPMI_NAK_ON_WRITE_ERR))
- {
+ && (msg->rsp[2] != IPMI_NAK_ON_WRITE_ERR)) {
int chan = msg->rsp[3] & 0xf;
/* Got an error sending the message, handle it. */
else
ipmi_inc_stat(intf, sent_ipmb_command_errs);
intf_err_seq(intf, msg->msgid, msg->rsp[2]);
- } else {
+ } else
/* The message was sent, start the timer. */
intf_start_seq_timer(intf, msg->msgid);
- }
ipmi_free_smi_msg(msg);
goto out;
}
- /* To preserve message order, if the list is not empty, we
- tack this message onto the end of the list. */
+ /*
+ * To preserve message order, if the list is not empty, we
+ * tack this message onto the end of the list.
+ */
run_to_completion = intf->run_to_completion;
if (!run_to_completion)
spin_lock_irqsave(&intf->waiting_msgs_lock, flags);
}
if (!run_to_completion)
spin_unlock_irqrestore(&intf->waiting_msgs_lock, flags);
-
+
rv = handle_new_recv_msg(intf, msg);
if (rv > 0) {
- /* Could not handle the message now, just add it to a
- list to handle later. */
+ /*
+ * Could not handle the message now, just add it to a
+ * list to handle later.
+ */
run_to_completion = intf->run_to_completion;
if (!run_to_completion)
spin_lock_irqsave(&intf->waiting_msgs_lock, flags);
out:
return;
}
+EXPORT_SYMBOL(ipmi_smi_msg_received);
void ipmi_smi_watchdog_pretimeout(ipmi_smi_t intf)
{
}
rcu_read_unlock();
}
-
+EXPORT_SYMBOL(ipmi_smi_watchdog_pretimeout);
static struct ipmi_smi_msg *
smi_from_recv_msg(ipmi_smi_t intf, struct ipmi_recv_msg *recv_msg,
{
struct ipmi_smi_msg *smi_msg = ipmi_alloc_smi_msg();
if (!smi_msg)
- /* If we can't allocate the message, then just return, we
- get 4 retries, so this should be ok. */
+ /*
+ * If we can't allocate the message, then just return, we
+ * get 4 retries, so this should be ok.
+ */
return NULL;
memcpy(smi_msg->data, recv_msg->msg.data, recv_msg->msg.data_len);
smi_msg->data_size = recv_msg->msg.data_len;
smi_msg->msgid = STORE_SEQ_IN_MSGID(seq, seqid);
-
+
#ifdef DEBUG_MSGING
{
int m;
struct ipmi_smi_msg *smi_msg;
/* More retries, send again. */
- /* Start with the max timer, set to normal
- timer after the message is sent. */
+ /*
+ * Start with the max timer, set to normal timer after
+ * the message is sent.
+ */
ent->timeout = MAX_MSG_TIMEOUT;
ent->retries_left--;
if (ent->recv_msg->addr.addr_type == IPMI_LAN_ADDR_TYPE)
spin_unlock_irqrestore(&intf->seq_lock, *flags);
- /* Send the new message. We send with a zero
- * priority. It timed out, I doubt time is
- * that critical now, and high priority
- * messages are really only for messages to the
- * local MC, which don't get resent. */
+ /*
+ * Send the new message. We send with a zero
+ * priority. It timed out, I doubt time is that
+ * critical now, and high priority messages are really
+ * only for messages to the local MC, which don't get
+ * resent.
+ */
handlers = intf->handlers;
if (handlers)
intf->handlers->sender(intf->send_info,
list_del(&smi_msg->link);
ipmi_free_smi_msg(smi_msg);
} else {
- /* To preserve message order, quit if we
- can't handle a message. */
+ /*
+ * To preserve message order, quit if we
+ * can't handle a message.
+ */
break;
}
}
spin_unlock_irqrestore(&intf->waiting_msgs_lock, flags);
- /* Go through the seq table and find any messages that
- have timed out, putting them in the timeouts
- list. */
+ /*
+ * Go through the seq table and find any messages that
+ * have timed out, putting them in the timeouts
+ * list.
+ */
INIT_LIST_HEAD(&timeouts);
spin_lock_irqsave(&intf->seq_lock, flags);
for (i = 0; i < IPMI_IPMB_NUM_SEQ; i++)
intf->auto_maintenance_timeout
-= timeout_period;
if (!intf->maintenance_mode
- && (intf->auto_maintenance_timeout <= 0))
- {
+ && (intf->auto_maintenance_timeout <= 0)) {
intf->maintenance_mode_enable = 0;
maintenance_mode_update(intf);
}
struct ipmi_smi_handlers *handlers;
rcu_read_lock();
- /* Called from the timer, no need to check if handlers is
- * valid. */
+ /*
+ * Called from the timer, no need to check if handlers is
+ * valid.
+ */
list_for_each_entry_rcu(intf, &ipmi_interfaces, link) {
/* No event requests when in maintenance mode. */
if (intf->maintenance_mode_enable)
/* How many jiffies does it take to get to the timeout time. */
#define IPMI_TIMEOUT_JIFFIES ((IPMI_TIMEOUT_TIME * HZ) / 1000)
-/* Request events from the queue every second (this is the number of
- IPMI_TIMEOUT_TIMES between event requests). Hopefully, in the
- future, IPMI will add a way to know immediately if an event is in
- the queue and this silliness can go away. */
+/*
+ * Request events from the queue every second (this is the number of
+ * IPMI_TIMEOUT_TIMES between event requests). Hopefully, in the
+ * future, IPMI will add a way to know immediately if an event is in
+ * the queue and this silliness can go away.
+ */
#define IPMI_REQUEST_EV_TIME (1000 / (IPMI_TIMEOUT_TIME))
static atomic_t stop_operation;
}
return rv;
}
+EXPORT_SYMBOL(ipmi_alloc_smi_msg);
static void free_recv_msg(struct ipmi_recv_msg *msg)
{
kref_put(&msg->user->refcount, free_user);
msg->done(msg);
}
+EXPORT_SYMBOL(ipmi_free_recv_msg);
#ifdef CONFIG_IPMI_PANIC_EVENT
if ((msg->addr.addr_type == IPMI_SYSTEM_INTERFACE_ADDR_TYPE)
&& (msg->msg.netfn == IPMI_NETFN_SENSOR_EVENT_RESPONSE)
&& (msg->msg.cmd == IPMI_GET_EVENT_RECEIVER_CMD)
- && (msg->msg.data[0] == IPMI_CC_NO_ERROR))
- {
+ && (msg->msg.data[0] == IPMI_CC_NO_ERROR)) {
/* A get event receiver command, save it. */
intf->event_receiver = msg->msg.data[1];
intf->event_receiver_lun = msg->msg.data[2] & 0x3;
if ((msg->addr.addr_type == IPMI_SYSTEM_INTERFACE_ADDR_TYPE)
&& (msg->msg.netfn == IPMI_NETFN_APP_RESPONSE)
&& (msg->msg.cmd == IPMI_GET_DEVICE_ID_CMD)
- && (msg->msg.data[0] == IPMI_CC_NO_ERROR))
- {
- /* A get device id command, save if we are an event
- receiver or generator. */
+ && (msg->msg.data[0] == IPMI_CC_NO_ERROR)) {
+ /*
+ * A get device id command, save if we are an event
+ * receiver or generator.
+ */
intf->local_sel_device = (msg->msg.data[6] >> 2) & 1;
intf->local_event_generator = (msg->msg.data[6] >> 5) & 1;
}
data[4] = 0x6f; /* Sensor specific, IPMI table 36-1 */
data[5] = 0xa1; /* Runtime stop OEM bytes 2 & 3. */
- /* Put a few breadcrumbs in. Hopefully later we can add more things
- to make the panic events more useful. */
+ /*
+ * Put a few breadcrumbs in. Hopefully later we can add more things
+ * to make the panic events more useful.
+ */
if (str) {
data[3] = str[0];
data[6] = str[1];
}
#ifdef CONFIG_IPMI_PANIC_STRING
- /* On every interface, dump a bunch of OEM event holding the
- string. */
- if (!str)
+ /*
+ * On every interface, dump a bunch of OEM event holding the
+ * string.
+ */
+ if (!str)
return;
/* For every registered interface, send the event. */
*/
smp_rmb();
- /* First job here is to figure out where to send the
- OEM events. There's no way in IPMI to send OEM
- events using an event send command, so we have to
- find the SEL to put them in and stick them in
- there. */
+ /*
+ * First job here is to figure out where to send the
+ * OEM events. There's no way in IPMI to send OEM
+ * events using an event send command, so we have to
+ * find the SEL to put them in and stick them in
+ * there.
+ */
/* Get capabilities from the get device id. */
intf->local_sel_device = 0;
}
intf->null_user_handler = NULL;
- /* Validate the event receiver. The low bit must not
- be 1 (it must be a valid IPMB address), it cannot
- be zero, and it must not be my address. */
- if (((intf->event_receiver & 1) == 0)
+ /*
+ * Validate the event receiver. The low bit must not
+ * be 1 (it must be a valid IPMB address), it cannot
+ * be zero, and it must not be my address.
+ */
+ if (((intf->event_receiver & 1) == 0)
&& (intf->event_receiver != 0)
- && (intf->event_receiver != intf->channels[0].address))
- {
- /* The event receiver is valid, send an IPMB
- message. */
+ && (intf->event_receiver != intf->channels[0].address)) {
+ /*
+ * The event receiver is valid, send an IPMB
+ * message.
+ */
ipmb = (struct ipmi_ipmb_addr *) &addr;
ipmb->addr_type = IPMI_IPMB_ADDR_TYPE;
ipmb->channel = 0; /* FIXME - is this right? */
ipmb->lun = intf->event_receiver_lun;
ipmb->slave_addr = intf->event_receiver;
} else if (intf->local_sel_device) {
- /* The event receiver was not valid (or was
- me), but I am an SEL device, just dump it
- in my SEL. */
+ /*
+ * The event receiver was not valid (or was
+ * me), but I am an SEL device, just dump it
+ * in my SEL.
+ */
si = (struct ipmi_system_interface_addr *) &addr;
si->addr_type = IPMI_SYSTEM_INTERFACE_ADDR_TYPE;
si->channel = IPMI_BMC_CHANNEL;
} else
continue; /* No where to send the event. */
-
msg.netfn = IPMI_NETFN_STORAGE_REQUEST; /* Storage. */
msg.cmd = IPMI_ADD_SEL_ENTRY_CMD;
msg.data = data;
data[2] = 0xf0; /* OEM event without timestamp. */
data[3] = intf->channels[0].address;
data[4] = j++; /* sequence # */
- /* Always give 11 bytes, so strncpy will fill
- it with zeroes for me. */
+ /*
+ * Always give 11 bytes, so strncpy will fill
+ * it with zeroes for me.
+ */
strncpy(data+5, p, 11);
p += size;
intf->channels[0].lun,
0, 1); /* no retry, and no wait. */
}
- }
+ }
#endif /* CONFIG_IPMI_PANIC_STRING */
}
#endif /* CONFIG_IPMI_PANIC_EVENT */
static int panic_event(struct notifier_block *this,
unsigned long event,
- void *ptr)
+ void *ptr)
{
ipmi_smi_t intf;
atomic_notifier_chain_unregister(&panic_notifier_list, &panic_block);
- /* This can't be called if any interfaces exist, so no worry about
- shutting down the interfaces. */
+ /*
+ * This can't be called if any interfaces exist, so no worry
+ * about shutting down the interfaces.
+ */
- /* Tell the timer to stop, then wait for it to stop. This avoids
- problems with race conditions removing the timer here. */
+ /*
+ * Tell the timer to stop, then wait for it to stop. This
+ * avoids problems with race conditions removing the timer
+ * here.
+ */
atomic_inc(&stop_operation);
del_timer_sync(&ipmi_timer);
module_init(ipmi_init_msghandler_mod);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Corey Minyard <minyard@mvista.com>");
-MODULE_DESCRIPTION("Incoming and outgoing message routing for an IPMI interface.");
+MODULE_DESCRIPTION("Incoming and outgoing message routing for an IPMI"
+ " interface.");
MODULE_VERSION(IPMI_DRIVER_VERSION);
-
-EXPORT_SYMBOL(ipmi_create_user);
-EXPORT_SYMBOL(ipmi_destroy_user);
-EXPORT_SYMBOL(ipmi_get_version);
-EXPORT_SYMBOL(ipmi_request_settime);
-EXPORT_SYMBOL(ipmi_request_supply_msgs);
-EXPORT_SYMBOL(ipmi_poll_interface);
-EXPORT_SYMBOL(ipmi_register_smi);
-EXPORT_SYMBOL(ipmi_unregister_smi);
-EXPORT_SYMBOL(ipmi_register_for_cmd);
-EXPORT_SYMBOL(ipmi_unregister_for_cmd);
-EXPORT_SYMBOL(ipmi_smi_msg_received);
-EXPORT_SYMBOL(ipmi_smi_watchdog_pretimeout);
-EXPORT_SYMBOL(ipmi_alloc_smi_msg);
-EXPORT_SYMBOL(ipmi_addr_length);
-EXPORT_SYMBOL(ipmi_validate_addr);
-EXPORT_SYMBOL(ipmi_set_gets_events);
-EXPORT_SYMBOL(ipmi_smi_watcher_register);
-EXPORT_SYMBOL(ipmi_smi_watcher_unregister);
-EXPORT_SYMBOL(ipmi_set_my_address);
-EXPORT_SYMBOL(ipmi_get_my_address);
-EXPORT_SYMBOL(ipmi_set_my_LUN);
-EXPORT_SYMBOL(ipmi_get_my_LUN);
-EXPORT_SYMBOL(ipmi_smi_add_proc_entry);
-EXPORT_SYMBOL(ipmi_free_recv_msg);
projects / GitHub / LineageOS / android_kernel_samsung_universal7580.git / commitdiff