diff options
| author | Eddie Wai <eddie.wai@broadcom.com> | 2010-07-02 02:34:52 +0400 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@suse.de> | 2010-07-27 21:03:58 +0400 |
| commit | 55e15c975cbf9ef8b765eba9ebadc96f2a2e5752 (patch) | |
| tree | 9d0249480f287463f6ef98f03d58406c9965ac18 /drivers/scsi/bnx2i/bnx2i.h | |
| parent | 46012e8b8de325472790d154f4cfb1cf2d4fc49a (diff) | |
| download | linux-55e15c975cbf9ef8b765eba9ebadc96f2a2e5752.tar.xz | |
[SCSI] bnx2i: Optimized the bnx2i_stop connection clean up procedure
For cases where the iSCSI disconnection procedure times out due to
the iSCSI daemon being slow or unresponsive, the bnx2i_stop routine
will now perform hardware cleanup via bnx2i_hw_ep_disconnect on all
active endpoints so that subsequent operations will perform properly.
Also moved the mutex locks inside ep_connect and ep_disconnect so
that proper exclusivity can resolve simultaneous calls to the
ep_disconnect routine.
v2: Removed the unnecessary read lock in the bnx2i_stop
Signed-off-by: Eddie Wai <eddie.wai@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Reviewed-by: Benjamin Li <benli@broadcom.com>
Acked-by: Anil Veerabhadrappa <anilgv@broadcom.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/bnx2i/bnx2i.h')
| -rw-r--r-- | drivers/scsi/bnx2i/bnx2i.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/scsi/bnx2i/bnx2i.h b/drivers/scsi/bnx2i/bnx2i.h index c17c3a3d52b8..fed1a686da67 100644 --- a/drivers/scsi/bnx2i/bnx2i.h +++ b/drivers/scsi/bnx2i/bnx2i.h @@ -295,6 +295,7 @@ struct iscsi_cid_queue { * @max_cqes: CQ size * @num_ccell: number of command cells per connection * @ofld_conns_active: active connection list + * @eh_wait: wait queue for the endpoint to shutdown * @max_active_conns: max offload connections supported by this device * @cid_que: iscsi cid queue * @ep_rdwr_lock: read / write lock to synchronize various ep lists @@ -306,6 +307,7 @@ struct iscsi_cid_queue { * @dummy_buffer: Dummy buffer to be used with zero length scsicmd reqs * @dummy_buf_dma: DMA address of 'dummy_buffer' memory buffer * @lock: lock to synchonize access to hba structure + * @hba_shutdown_tmo: Timeout value to shutdown each connection * @pci_did: PCI device ID * @pci_vid: PCI vendor ID * @pci_sdid: PCI subsystem device ID @@ -770,6 +772,8 @@ extern struct bnx2i_endpoint *bnx2i_find_ep_in_destroy_list( extern int bnx2i_map_ep_dbell_regs(struct bnx2i_endpoint *ep); extern void bnx2i_arm_cq_event_coalescing(struct bnx2i_endpoint *ep, u8 action); +extern int bnx2i_hw_ep_disconnect(struct bnx2i_endpoint *bnx2i_ep); + /* Debug related function prototypes */ extern void bnx2i_print_pend_cmd_queue(struct bnx2i_conn *conn); extern void bnx2i_print_active_cmd_queue(struct bnx2i_conn *conn); |