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Diffstat (limited to 'include/scsi/scsi_transport_fc.h')
-rw-r--r--include/scsi/scsi_transport_fc.h80
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 */