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Diffstat (limited to 'include/scsi/libfc.h')
-rw-r--r--include/scsi/libfc.h47
1 files changed, 37 insertions, 10 deletions
diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h
index 6a3922fe0be..52beadf9a29 100644
--- a/include/scsi/libfc.h
+++ b/include/scsi/libfc.h
@@ -30,6 +30,7 @@
#include <scsi/fc/fc_fcp.h>
#include <scsi/fc/fc_ns.h>
+#include <scsi/fc/fc_ms.h>
#include <scsi/fc/fc_els.h>
#include <scsi/fc/fc_gs.h>
@@ -52,6 +53,8 @@
* @LPORT_ST_RPN_ID: Register port name by ID (RPN_ID) sent
* @LPORT_ST_RFT_ID: Register Fibre Channel types by ID (RFT_ID) sent
* @LPORT_ST_RFF_ID: Register FC-4 Features by ID (RFF_ID) sent
+ * @LPORT_ST_FDMI: Waiting for mgmt server rport to become ready
+ * @LPORT_ST_RHBA:
* @LPORT_ST_SCR: State Change Register (SCR) sent
* @LPORT_ST_READY: Ready for use
* @LPORT_ST_LOGO: Local port logout (LOGO) sent
@@ -66,6 +69,11 @@ enum fc_lport_state {
LPORT_ST_RSPN_ID,
LPORT_ST_RFT_ID,
LPORT_ST_RFF_ID,
+ LPORT_ST_FDMI,
+ LPORT_ST_RHBA,
+ LPORT_ST_RPA,
+ LPORT_ST_DHBA,
+ LPORT_ST_DPRT,
LPORT_ST_SCR,
LPORT_ST_READY,
LPORT_ST_LOGO,
@@ -216,7 +224,7 @@ struct fc_rport_priv {
};
/**
- * struct fcoe_dev_stats - fcoe stats structure
+ * struct fc_stats - fc stats structure
* @SecondsSinceLastReset: Seconds since the last reset
* @TxFrames: Number of transmitted frames
* @TxWords: Number of transmitted words
@@ -224,6 +232,9 @@ struct fc_rport_priv {
* @RxWords: Number of received words
* @ErrorFrames: Number of received error frames
* @DumpedFrames: Number of dumped frames
+ * @FcpPktAllocFails: Number of fcp packet allocation failures
+ * @FcpPktAborts: Number of fcp packet aborts
+ * @FcpFrameAllocFails: Number of fcp frame allocation failures
* @LinkFailureCount: Number of link failures
* @LossOfSignalCount: Number for signal losses
* @InvalidTxWordCount: Number of invalid transmitted words
@@ -236,7 +247,7 @@ struct fc_rport_priv {
* @VLinkFailureCount: Number of virtual link failures
* @MissDiscAdvCount: Number of missing FIP discovery advertisement
*/
-struct fcoe_dev_stats {
+struct fc_stats {
u64 SecondsSinceLastReset;
u64 TxFrames;
u64 TxWords;
@@ -244,6 +255,9 @@ struct fcoe_dev_stats {
u64 RxWords;
u64 ErrorFrames;
u64 DumpedFrames;
+ u64 FcpPktAllocFails;
+ u64 FcpPktAborts;
+ u64 FcpFrameAllocFails;
u64 LinkFailureCount;
u64 LossOfSignalCount;
u64 InvalidTxWordCount;
@@ -396,6 +410,12 @@ struct fc_seq {
* @fh_type: The frame type
* @class: The class of service
* @seq: The sequence in use on this exchange
+ * @resp_active: Number of tasks that are concurrently executing @resp().
+ * @resp_task: If @resp_active > 0, either the task executing @resp(), the
+ * task that has been interrupted to execute the soft-IRQ
+ * executing @resp() or NULL if more than one task is executing
+ * @resp concurrently.
+ * @resp_wq: Waitqueue for the tasks waiting on @resp_active.
* @resp: Callback for responses on this exchange
* @destructor: Called when destroying the exchange
* @arg: Passed as a void pointer to the resp() callback
@@ -427,6 +447,9 @@ struct fc_exch {
u32 r_a_tov;
u32 f_ctl;
struct fc_seq seq;
+ int resp_active;
+ struct task_struct *resp_task;
+ wait_queue_head_t resp_wq;
void (*resp)(struct fc_seq *, struct fc_frame *, void *);
void *arg;
void (*destructor)(struct fc_seq *, void *);
@@ -502,7 +525,7 @@ struct libfc_function_template {
int (*ddp_done)(struct fc_lport *, u16);
/*
* Sets up the DDP context for a given exchange id on the given
- * scatterlist if LLD supports DDP for FCoE target.
+ * scatterlist if LLD supports DDP for target.
*
* STATUS: OPTIONAL
*/
@@ -797,6 +820,7 @@ enum fc_lport_event {
* @host: The SCSI host associated with a local port
* @ema_list: Exchange manager anchor list
* @dns_rdata: The directory server remote port
+ * @ms_rdata: The management server remote port
* @ptp_rdata: Point to point remote port
* @scsi_priv: FCP layer internal data
* @disc: Discovery context
@@ -808,8 +832,7 @@ enum fc_lport_event {
* @state: Identifies the state
* @boot_time: Timestamp indicating when the local port came online
* @host_stats: SCSI host statistics
- * @dev_stats: FCoE device stats (TODO: libfc should not be
- * FCoE aware)
+ * @stats: FC local port stats (TODO separate libfc LLD stats)
* @retry_count: Number of retries in the current state
* @port_id: FC Port ID
* @wwpn: World Wide Port Name
@@ -842,6 +865,7 @@ struct fc_lport {
struct Scsi_Host *host;
struct list_head ema_list;
struct fc_rport_priv *dns_rdata;
+ struct fc_rport_priv *ms_rdata;
struct fc_rport_priv *ptp_rdata;
void *scsi_priv;
struct fc_disc disc;
@@ -857,7 +881,7 @@ struct fc_lport {
enum fc_lport_state state;
unsigned long boot_time;
struct fc_host_statistics host_stats;
- struct fcoe_dev_stats __percpu *dev_stats;
+ struct fc_stats __percpu *stats;
u8 retry_count;
/* Fabric information */
@@ -877,6 +901,7 @@ struct fc_lport {
u32 does_npiv:1;
u32 npiv_enabled:1;
u32 point_to_multipoint:1;
+ u32 fdmi_enabled:1;
u32 mfs;
u8 max_retry_count;
u8 max_rport_retry_count;
@@ -969,8 +994,8 @@ static inline void fc_lport_state_enter(struct fc_lport *lport,
*/
static inline int fc_lport_init_stats(struct fc_lport *lport)
{
- lport->dev_stats = alloc_percpu(struct fcoe_dev_stats);
- if (!lport->dev_stats)
+ lport->stats = alloc_percpu(struct fc_stats);
+ if (!lport->stats)
return -ENOMEM;
return 0;
}
@@ -981,7 +1006,7 @@ static inline int fc_lport_init_stats(struct fc_lport *lport)
*/
static inline void fc_lport_free_stats(struct fc_lport *lport)
{
- free_percpu(lport->dev_stats);
+ free_percpu(lport->stats);
}
/**
@@ -1058,7 +1083,8 @@ void fc_rport_terminate_io(struct fc_rport *);
/*
* DISCOVERY LAYER
*****************************/
-int fc_disc_init(struct fc_lport *);
+void fc_disc_init(struct fc_lport *);
+void fc_disc_config(struct fc_lport *, void *);
static inline struct fc_lport *fc_disc_lport(struct fc_disc *disc)
{
@@ -1105,6 +1131,7 @@ void fc_fill_hdr(struct fc_frame *, const struct fc_frame *,
* EXCHANGE MANAGER LAYER
*****************************/
int fc_exch_init(struct fc_lport *);
+void fc_exch_update_stats(struct fc_lport *lport);
struct fc_exch_mgr_anchor *fc_exch_mgr_add(struct fc_lport *,
struct fc_exch_mgr *,
bool (*match)(struct fc_frame *));