3 files changed, 57 insertions, 0 deletions

diff --git a/include/linux/ipmi.h b/include/linux/ipmi.h
index 796ca009fd46..7a9db390c56a 100644
--- a/include/linux/ipmi.h
+++ b/include/linux/ipmi.h
@@ -208,6 +208,15 @@ struct kernel_ipmi_msg
    code as the first byte of the incoming data, unlike a response. */
 
 
+/*
+ * Modes for ipmi_set_maint_mode() and the userland IOCTL.  The AUTO
+ * setting is the default and means it will be set on certain
+ * commands.  Hard setting it on and off will override automatic
+ * operation.
+ */
+#define IPMI_MAINTENANCE_MODE_AUTO      0
+#define IPMI_MAINTENANCE_MODE_OFF       1
+#define IPMI_MAINTENANCE_MODE_ON        2
 
 #ifdef __KERNEL__
 
@@ -374,6 +383,35 @@ int ipmi_unregister_for_cmd(ipmi_user_t   user,
                             unsigned int  chans);
 
 /*
+ * Go into a mode where the driver will not autonomously attempt to do
+ * things with the interface.  It will still respond to attentions and
+ * interrupts, and it will expect that commands will complete.  It
+ * will not automatcially check for flags, events, or things of that
+ * nature.
+ *
+ * This is primarily used for firmware upgrades.  The idea is that
+ * when you go into firmware upgrade mode, you do this operation
+ * and the driver will not attempt to do anything but what you tell
+ * it or what the BMC asks for.
+ *
+ * Note that if you send a command that resets the BMC, the driver
+ * will still expect a response from that command.  So the BMC should
+ * reset itself *after* the response is sent.  Resetting before the
+ * response is just silly.
+ *
+ * If in auto maintenance mode, the driver will automatically go into
+ * maintenance mode for 30 seconds if it sees a cold reset, a warm
+ * reset, or a firmware NetFN.  This means that code that uses only
+ * firmware NetFN commands to do upgrades will work automatically
+ * without change, assuming it sends a message every 30 seconds or
+ * less.
+ *
+ * See the IPMI_MAINTENANCE_MODE_xxx defines for what the mode means.
+ */
+int ipmi_get_maintenance_mode(ipmi_user_t user);
+int ipmi_set_maintenance_mode(ipmi_user_t user, int mode);
+
+/*
  * Allow run-to-completion mode to be set for the interface of
  * a specific user.
  */
@@ -656,4 +694,11 @@ struct ipmi_timing_parms
 #define IPMICTL_GET_TIMING_PARMS_CMD    _IOR(IPMI_IOC_MAGIC, 23, \
                                              struct ipmi_timing_parms)
 
+/*
+ * Set the maintenance mode.  See ipmi_set_maintenance_mode() above
+ * for a description of what this does.
+ */
+#define IPMICTL_GET_MAINTENANCE_MODE_CMD        _IOR(IPMI_IOC_MAGIC, 30, int)
+#define IPMICTL_SET_MAINTENANCE_MODE_CMD        _IOW(IPMI_IOC_MAGIC, 31, int)
+
 #endif /* __LINUX_IPMI_H */
diff --git a/include/linux/ipmi_msgdefs.h b/include/linux/ipmi_msgdefs.h
index 4d04d8b58a0a..8d6759cc1a71 100644
--- a/include/linux/ipmi_msgdefs.h
+++ b/include/linux/ipmi_msgdefs.h
@@ -46,6 +46,8 @@
 #define IPMI_NETFN_APP_REQUEST                  0x06
 #define IPMI_NETFN_APP_RESPONSE                 0x07
 #define IPMI_GET_DEVICE_ID_CMD          0x01
+#define IPMI_COLD_RESET_CMD             0x02
+#define IPMI_WARM_RESET_CMD             0x03
 #define IPMI_CLEAR_MSG_FLAGS_CMD        0x30
 #define IPMI_GET_DEVICE_GUID_CMD        0x08
 #define IPMI_GET_MSG_FLAGS_CMD          0x31
@@ -60,6 +62,9 @@
 #define IPMI_NETFN_STORAGE_RESPONSE             0x0b
 #define IPMI_ADD_SEL_ENTRY_CMD          0x44
 
+#define IPMI_NETFN_FIRMWARE_REQUEST             0x08
+#define IPMI_NETFN_FIRMWARE_RESPONSE            0x09
+
 /* The default slave address */
 #define IPMI_BMC_SLAVE_ADDR     0x20
 
diff --git a/include/linux/ipmi_smi.h b/include/linux/ipmi_smi.h
index 2cc960da4176..c0633108d05d 100644
--- a/include/linux/ipmi_smi.h
+++ b/include/linux/ipmi_smi.h
@@ -115,6 +115,13 @@ struct ipmi_smi_handlers
            poll for operations during things like crash dumps. */
         void (*poll)(void *send_info);
 
+        /* Enable/disable firmware maintenance mode.  Note that this
+           is *not* the modes defined, this is simply an on/off
+           setting.  The message handler does the mode handling.  Note
+           that this is called from interupt context, so it cannot
+           block. */
+        void (*set_maintenance_mode)(void *send_info, int enable);
+
         /* Tell the handler that we are using it/not using it.  The
            message handler get the modules that this handler belongs
            to; this function lets the SMI claim any modules that it