linux/drivers/scsi/isci
Dan Williams 52d7463433 [SCSI] isci: revert bcn filtering
The initial bcn filtering implementation was validated on a kernel
baseline that predated the switch to new libata error handling.  Also,
prior to that conversion we borrowed the mvsas MVS_DEV_EH approach to
prevent the unwanted extra ap->ops->phy_reset(ap) that occurred in the
ata_bus_probe() path.

After the conversion to new libata eh resets at discovery are more
frequent and get filtered prematurely by IDEV_EH.  The result is that
our bcn filtering has been blocked from running and at discovery and it
appears to stall discovery completion to the point of triggering hung
task timeouts.  So, revert the implementation for now.  When it returns
it will go into libsas proper.

The domain rediscovery that takes place due to ->lldd_I_T_nexus_reset()
events should now be properly waited for by the ata_port_wait_eh() call
in ata_port_probe().  So the hard coded delay in the isci
->lldd_I_T_nexus_reset() and other libsas drivers should help debounce
the libsas thread from seeing temporary device removals.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2011-10-31 13:23:01 +04:00
..
firmware isci: Added support for C0 to SCU Driver 2011-07-03 04:04:50 -07:00
host.c [SCSI] isci: initial sgpio write support 2011-09-22 15:01:56 +04:00
host.h [SCSI] isci: initial sgpio write support 2011-09-22 15:01:56 +04:00
init.c [SCSI] isci: initial sgpio write support 2011-09-22 15:01:56 +04:00
isci.h [SCSI] isci: fix support for large smp requests 2011-10-02 13:07:17 -05:00
Makefile isci: merge sata.[ch] into request.c 2011-07-03 04:04:52 -07:00
phy.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6 2011-10-28 16:44:18 -07:00
phy.h isci: kill 'get/set' macros 2011-07-03 04:04:52 -07:00
port_config.c [SCSI] isci: fix missed unlock in apc_agent_timeout() 2011-10-02 13:08:00 -05:00
port.c [SCSI] isci: revert bcn filtering 2011-10-31 13:23:01 +04:00
port.h [SCSI] isci: revert bcn filtering 2011-10-31 13:23:01 +04:00
probe_roms.c [SCSI] isci: fix checkpatch errors 2011-07-03 14:26:24 -05:00
probe_roms.h isci: retire scic_sds_ and scic_ prefixes 2011-07-03 04:04:52 -07:00
registers.h [SCSI] isci: fix sgpio register definitions 2011-09-22 15:00:56 +04:00
remote_device.c [SCSI] isci: No need to manage the pending reset bit on pending requests. 2011-10-31 13:20:28 +04:00
remote_device.h [SCSI] isci: No need to manage the pending reset bit on pending requests. 2011-10-31 13:20:28 +04:00
remote_node_context.c isci: kill 'get/set' macros 2011-07-03 04:04:52 -07:00
remote_node_context.h isci: kill 'get/set' macros 2011-07-03 04:04:52 -07:00
remote_node_table.c isci: retire scic_sds_ and scic_ prefixes 2011-07-03 04:04:52 -07:00
remote_node_table.h isci: retire scic_sds_ and scic_ prefixes 2011-07-03 04:04:52 -07:00
request.c [SCSI] isci: Remove redundant isci_request.ttype field. 2011-10-31 13:19:47 +04:00
request.h [SCSI] isci: Remove redundant isci_request.ttype field. 2011-10-31 13:19:47 +04:00
sas.h [SCSI] isci: fix support for large smp requests 2011-10-02 13:07:17 -05:00
scu_completion_codes.h isci: uplevel register hardware data structures and unsolicited frame handling 2011-07-03 04:04:47 -07:00
scu_event_codes.h isci: uplevel register hardware data structures and unsolicited frame handling 2011-07-03 04:04:47 -07:00
scu_remote_node_context.h isci: move remote_device handling out of the core 2011-07-03 04:00:38 -07:00
scu_task_context.h isci: uplevel register hardware data structures and unsolicited frame handling 2011-07-03 04:04:47 -07:00
task.c [SCSI] isci: revert bcn filtering 2011-10-31 13:23:01 +04:00
task.h [SCSI] isci: Fix task management for SMP, SATA and on dev remove. 2011-10-31 13:17:48 +04:00
unsolicited_frame_control.c [SCSI] isci: fix 32-bit operation when CONFIG_HIGHMEM64G=n 2011-08-23 19:50:27 -07:00
unsolicited_frame_control.h [SCSI] isci: fix 32-bit operation when CONFIG_HIGHMEM64G=n 2011-08-23 19:50:27 -07:00