1 files changed, 68 insertions, 12 deletions

diff --git a/include/scsi/scsi_transport_fc.h b/include/scsi/scsi_transport_fc.h
index 6d28b0317657..fd352323378b 100644
--- a/include/scsi/scsi_transport_fc.h
+++ b/include/scsi/scsi_transport_fc.h
@@ -29,6 +29,7 @@
 
 #include <linux/sched.h>
 #include <scsi/scsi.h>
+#include <scsi/scsi_netlink.h>
 
 struct scsi_transport_template;
 
@@ -194,6 +195,7 @@ struct fc_rport {	/* aka fc_starget_attrs */
         u32 roles;
         enum fc_port_state port_state;  /* Will only be ONLINE or UNKNOWN */
         u32 scsi_target_id;
+        u32 fast_io_fail_tmo;
 
         /* exported data */
         void *dd_data;                  /* Used for driver-specific storage */
@@ -206,6 +208,7 @@ struct fc_rport {	/* aka fc_starget_attrs */
         struct device dev;
         struct work_struct dev_loss_work;
         struct work_struct scan_work;
+        struct work_struct fail_io_work;
         struct work_struct stgt_delete_work;
         struct work_struct rport_delete_work;
 } __attribute__((aligned(sizeof(unsigned long))));
@@ -284,6 +287,30 @@ struct fc_host_statistics {
 
 
 /*
+ * FC Event Codes - Polled and Async, following FC HBAAPI v2.0 guidelines
+ */
+
+/*
+ * fc_host_event_code: If you alter this, you also need to alter
+ * scsi_transport_fc.c (for the ascii descriptions).
+ */
+enum fc_host_event_code  {
+        FCH_EVT_LIP                     = 0x1,
+        FCH_EVT_LINKUP                  = 0x2,
+        FCH_EVT_LINKDOWN                = 0x3,
+        FCH_EVT_LIPRESET                = 0x4,
+        FCH_EVT_RSCN                    = 0x5,
+        FCH_EVT_ADAPTER_CHANGE          = 0x103,
+        FCH_EVT_PORT_UNKNOWN            = 0x200,
+        FCH_EVT_PORT_OFFLINE            = 0x201,
+        FCH_EVT_PORT_ONLINE             = 0x202,
+        FCH_EVT_PORT_FABRIC             = 0x204,
+        FCH_EVT_LINK_UNKNOWN            = 0x500,
+        FCH_EVT_VENDOR_UNIQUE           = 0xffff,
+};
+
+
+/*
  * FC Local Port (Host) Attributes
  *
  * Attributes are based on HBAAPI V2.0 definitions.
@@ -312,7 +339,6 @@ struct fc_host_attrs {
         u64 permanent_port_name;
         u32 supported_classes;
         u8  supported_fc4s[FC_FC4_LIST_SIZE];
-        char symbolic_name[FC_SYMBOLIC_NAME_SIZE];
         u32 supported_speeds;
         u32 maxframe_size;
         char serial_number[FC_SERIAL_NUMBER_SIZE];
@@ -324,6 +350,8 @@ struct fc_host_attrs {
         u8  active_fc4s[FC_FC4_LIST_SIZE];
         u32 speed;
         u64 fabric_name;
+        char symbolic_name[FC_SYMBOLIC_NAME_SIZE];
+        char system_hostname[FC_SYMBOLIC_NAME_SIZE];
 
         /* Private (Transport-managed) Attributes */
         enum fc_tgtid_binding_type  tgtid_bind_type;
@@ -354,8 +382,6 @@ struct fc_host_attrs {
         (((struct fc_host_attrs *)(x)->shost_data)->supported_classes)
 #define fc_host_supported_fc4s(x)       \
         (((struct fc_host_attrs *)(x)->shost_data)->supported_fc4s)
-#define fc_host_symbolic_name(x)        \
-        (((struct fc_host_attrs *)(x)->shost_data)->symbolic_name)
 #define fc_host_supported_speeds(x)     \
         (((struct fc_host_attrs *)(x)->shost_data)->supported_speeds)
 #define fc_host_maxframe_size(x)        \
@@ -374,6 +400,10 @@ struct fc_host_attrs {
         (((struct fc_host_attrs *)(x)->shost_data)->speed)
 #define fc_host_fabric_name(x)  \
         (((struct fc_host_attrs *)(x)->shost_data)->fabric_name)
+#define fc_host_symbolic_name(x)        \
+        (((struct fc_host_attrs *)(x)->shost_data)->symbolic_name)
+#define fc_host_system_hostname(x)      \
+        (((struct fc_host_attrs *)(x)->shost_data)->system_hostname)
 #define fc_host_tgtid_bind_type(x) \
         (((struct fc_host_attrs *)(x)->shost_data)->tgtid_bind_type)
 #define fc_host_rports(x) \
@@ -409,12 +439,17 @@ struct fc_function_template {
         void    (*get_host_active_fc4s)(struct Scsi_Host *);
         void    (*get_host_speed)(struct Scsi_Host *);
         void    (*get_host_fabric_name)(struct Scsi_Host *);
+        void    (*get_host_symbolic_name)(struct Scsi_Host *);
+        void    (*set_host_system_hostname)(struct Scsi_Host *);
 
         struct fc_host_statistics * (*get_fc_host_stats)(struct Scsi_Host *);
         void    (*reset_fc_host_stats)(struct Scsi_Host *);
 
         int     (*issue_fc_host_lip)(struct Scsi_Host *);
 
+        void    (*dev_loss_tmo_callbk)(struct fc_rport *);
+        void    (*terminate_rport_io)(struct fc_rport *);
+
         /* allocation lengths for host-specific data */
         u32                             dd_fcrport_size;
 
@@ -445,7 +480,6 @@ struct fc_function_template {
         unsigned long   show_host_permanent_port_name:1;
         unsigned long   show_host_supported_classes:1;
         unsigned long   show_host_supported_fc4s:1;
-        unsigned long   show_host_symbolic_name:1;
         unsigned long   show_host_supported_speeds:1;
         unsigned long   show_host_maxframe_size:1;
         unsigned long   show_host_serial_number:1;
@@ -456,6 +490,8 @@ struct fc_function_template {
         unsigned long   show_host_active_fc4s:1;
         unsigned long   show_host_speed:1;
         unsigned long   show_host_fabric_name:1;
+        unsigned long   show_host_symbolic_name:1;
+        unsigned long   show_host_system_hostname:1;
 };
 
 
@@ -491,6 +527,25 @@ fc_remote_port_chkready(struct fc_rport *rport)
         return result;
 }
 
+static inline u64 wwn_to_u64(u8 *wwn)
+{
+        return (u64)wwn[0] << 56 | (u64)wwn[1] << 48 |
+            (u64)wwn[2] << 40 | (u64)wwn[3] << 32 |
+            (u64)wwn[4] << 24 | (u64)wwn[5] << 16 |
+            (u64)wwn[6] <<  8 | (u64)wwn[7];
+}
+
+static inline void u64_to_wwn(u64 inm, u8 *wwn)
+{
+        wwn[0] = (inm >> 56) & 0xff;
+        wwn[1] = (inm >> 48) & 0xff;
+        wwn[2] = (inm >> 40) & 0xff;
+        wwn[3] = (inm >> 32) & 0xff;
+        wwn[4] = (inm >> 24) & 0xff;
+        wwn[5] = (inm >> 16) & 0xff;
+        wwn[6] = (inm >> 8) & 0xff;
+        wwn[7] = inm & 0xff;
+}
 
 struct scsi_transport_template *fc_attach_transport(
                         struct fc_function_template *);
@@ -501,13 +556,14 @@ struct fc_rport *fc_remote_port_add(struct Scsi_Host *shost,
 void fc_remote_port_delete(struct fc_rport  *rport);
 void fc_remote_port_rolechg(struct fc_rport  *rport, u32 roles);
 int scsi_is_fc_rport(const struct device *);
-
-static inline u64 wwn_to_u64(u8 *wwn)
-{
-        return (u64)wwn[0] << 56 | (u64)wwn[1] << 48 |
-            (u64)wwn[2] << 40 | (u64)wwn[3] << 32 |
-            (u64)wwn[4] << 24 | (u64)wwn[5] << 16 |
-            (u64)wwn[6] <<  8 | (u64)wwn[7];
-}
+u32 fc_get_event_number(void);
+void fc_host_post_event(struct Scsi_Host *shost, u32 event_number,
+                enum fc_host_event_code event_code, u32 event_data);
+void fc_host_post_vendor_event(struct Scsi_Host *shost, u32 event_number,
+                u32 data_len, char * data_buf, u64 vendor_id);
+        /* Note: when specifying vendor_id to fc_host_post_vendor_event()
+         *   be sure to read the Vendor Type and ID formatting requirements
+         *   specified in scsi_netlink.h
+         */
 
 #endif /* SCSI_TRANSPORT_FC_H */