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authorJames Bottomley <JBottomley@Parallels.com>2013-11-10 12:19:15 +0800
committerJames Bottomley <JBottomley@Parallels.com>2013-11-10 12:19:15 +0800
commit323f6226a816f0b01514d25fba5529e0e68636c3 (patch)
tree964ca28650bc92ce0ed2ba87c1c16ba65f55ebf5 /include/scsi
parent6fd046f960354250de3fed411eecdb784601bbad (diff)
parent6942df7f775107b504f10de42c81971f514d718d (diff)
downloadlinux-323f6226a816f0b01514d25fba5529e0e68636c3.tar.gz
Merge tag 'fcoe-3.13' into for-linus
Pull Request for 3.13 for FCOE tree. Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'include/scsi')
-rw-r--r--include/scsi/fc/fc_fc2.h2
-rw-r--r--include/scsi/libfc.h9
-rw-r--r--include/scsi/libfcoe.h7
3 files changed, 16 insertions, 2 deletions
diff --git a/include/scsi/fc/fc_fc2.h b/include/scsi/fc/fc_fc2.h
index f87777d0d5b..0b267143130 100644
--- a/include/scsi/fc/fc_fc2.h
+++ b/include/scsi/fc/fc_fc2.h
@@ -104,7 +104,7 @@ struct fc_esb {
* esb_e_stat - flags from FC-FS-2 T11/1619-D Rev 0.90.
*/
#define ESB_ST_RESP (1 << 31) /* responder to exchange */
-#define ESB_ST_SEQ_INIT (1 << 30) /* port holds sequence initiaive */
+#define ESB_ST_SEQ_INIT (1 << 30) /* port holds sequence initiative */
#define ESB_ST_COMPLETE (1 << 29) /* exchange is complete */
#define ESB_ST_ABNORMAL (1 << 28) /* abnormal ending condition */
#define ESB_ST_REC_QUAL (1 << 26) /* recovery qualifier active */
diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h
index e1379b4e8fa..52beadf9a29 100644
--- a/include/scsi/libfc.h
+++ b/include/scsi/libfc.h
@@ -410,6 +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
@@ -441,6 +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 *);
diff --git a/include/scsi/libfcoe.h b/include/scsi/libfcoe.h
index 4427393115e..de7e3ee60f0 100644
--- a/include/scsi/libfcoe.h
+++ b/include/scsi/libfcoe.h
@@ -90,6 +90,7 @@ enum fip_state {
* @lp: &fc_lport: libfc local port.
* @sel_fcf: currently selected FCF, or NULL.
* @fcfs: list of discovered FCFs.
+ * @cdev: (Optional) pointer to sysfs fcoe_ctlr_device.
* @fcf_count: number of discovered FCF entries.
* @sol_time: time when a multicast solicitation was last sent.
* @sel_time: time after which to select an FCF.
@@ -127,6 +128,7 @@ struct fcoe_ctlr {
struct fc_lport *lp;
struct fcoe_fcf *sel_fcf;
struct list_head fcfs;
+ struct fcoe_ctlr_device *cdev;
u16 fcf_count;
unsigned long sol_time;
unsigned long sel_time;
@@ -168,8 +170,11 @@ static inline void *fcoe_ctlr_priv(const struct fcoe_ctlr *ctlr)
return (void *)(ctlr + 1);
}
+/*
+ * This assumes that the fcoe_ctlr (x) is allocated with the fcoe_ctlr_device.
+ */
#define fcoe_ctlr_to_ctlr_dev(x) \
- (struct fcoe_ctlr_device *)(((struct fcoe_ctlr_device *)(x)) - 1)
+ (x)->cdev
/**
* struct fcoe_fcf - Fibre-Channel Forwarder