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Fix polling mode panic
Cause: Race between interrupt driven and polling path in harvesting iocbs
from
the response ring.
Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Protect NPL lists with host lock
Symptoms: lpfc_findnode_rpi and lpfc_findnode_did can be called
outside of the discovery thread context. We have to iterate
through the NPL lists under the host lock and all add/del
operations on those lists have to be done under host lock.
Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Fix deadlock in lpfc_fdmi_tmo_handler
lpfc_fdmi_tmo_handler was calling lpfc_fdmi_cmd with the host_lock
held. lpfc_fdmi_cmd assumes the host_lock is released as it calls functions
that acquire the host_lock. lpfc_fdmi_tmo_handler acquired the host_lock to
protect access to work_hba_events. This was already checked in the worker
thread so we can remove that code completely and remove access to the
host_lock.
Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Fix performance when using multiple SLI rings
Currently the driver allocates all of its SLI command and response ring
entries to one primary ring. Other rings get little, or no, resources.
Allow more resources to be given to ring 1
Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
PCI hrd_type should be obtained with pci_read_config_byte() macro
Driver keys off of this field to report the proper adapter type.
The pci subsystem explicitly clears the multiport bit in the copy of
the field given the driver. Thus, to properly name the card, obtain it
from config space.
Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Derive supported speeds from LMT field in the READ_CONFIG
Driver was keying off internal cores. Use what the firmware reports instead.
Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Begin introducing the concept of sas remote devices that have an rphy
embedded. The first one (this) is a simple end device. All that an
end device really does is have port mode page parameters contained.
The next and more complex piece will be expander remote devices.
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
mwdma_mask was not copied from port_info to probe_ent. Fix it.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Revalidate device after transfer mode configuration. This also makes
dev->id up-to-date.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
ata_dev_revalidate() re-reads IDENTIFY PAGE of the given device and
makes sure it's the same device as the configured one. Once it's
verified that it's the same device, @dev is configured according to
newly read IDENTIFY PAGE. Note that revalidation currently doesn't
invoke transfer mode reconfiguration.
Criteria for 'same device'
* same class (of course)
* same model string
* same serial string
* if ATA, same n_sectors (to catch geometry parameter changes)
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Add @print_info argument to ata_dev_configure(). Details of
configured device is printed only when @pinfo_info is non-zero. This
patch also reorganizes device info printing for LBA case to simplify
code (necessary as @print_info adds extra nesting around it).
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
In ata_dev_configure(), reinitialize parameters before configuring.
This change is for revalidation and hotplug. As ata_dev_configure()
can be entered multiple times, parameters need to be reinitialized.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Collect common host flags into SIL_DFL_HOST_FLAGS and add comments to
constants.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Kill SIL_FIFO_* and SIL_IDE2_BMDMA and replace them with proper
sil_port[] entry.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
All 3112's have m15w. Replace sil_3112_m15w with sil_3112 and flag
sil_3112 with SIL_FLAG_MOD15WRITE.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Cc: Carlos Pardo <Carlos.Pardo@siliconimage.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Rename PIIX_FLAG_IGN_PRESENT to PIIX_FLAG_IGNORE_PCS as Jeff
requested.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Cc: Jeff Garzik <jgarzik@pobox.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This patch adds support for the Promise FastTrak TX4300/TX4310 4-port PCI SATA
controllers based on the PDC40719 chip.
Signed-off-by: Daniel Drake <dsd@gentoo.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Now that reset and configure are converted such that they don't modify
or disable libata core data structures, reorganize ata_bus_probe() to
reflect this change.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
ata_dev_config() needs to be done everytime a device is configured.
Fold it into ata_dev_configure().
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Separate out ata_dev_configure() from ata_dev_identify() such that
ata_dev_configure() only configures @dev according to passed in @id.
The function now does not disable device on failure, it just returns
appropirate error code.
As this change leaves ata_dev_identify() with only reading ID, calling
configure and disabling devices according to the results, this patch
also kills ata_dev_identify() and inlines the logic into
ata_bus_probe().
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Convert dev->id from array to pointer. This is to accomodate
revalidation. During revalidation, both old and new IDENTIFY pages
should be accessible and single ->id array doesn't cut it.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Reimplement piix_sata_probe() such that it turns on PCS enable bits on
all avaliable ports and check present bits after a while to determine
device presence. This should help broken BIOSes. After device
presence detection is complete, PCS enable bits of unoccupied bits are
turned off unless the controller supports AHCI (ICH6/7 docs mandate
all enables bits are always set on AHCI capable controllers).
Note that PCS present bits are ignored on 6300ESB as described in the
datasheet. This should fix device detection problems reported with
the controller.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Replace combined mode handling via PIIX_COMB/COMB_PATA_P0 with proper
port map. PIIX now prints port configuration during initialization.
ATA_FLAG_SLAVE_POSS is now turned on for SATA ports only when the
slave device is actually avaliable.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Add PIIX_FLAG_IGN_PRESENT and SCR flags. Thi patch doesn't cause any
functional change. To be used by later init/scr updates.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Make port_info finer-grained. This patch doesn't cause any functional
change. Later init reimplementation will make use of it.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
aic94xx doesn't have a use for the bay or enclosure identifiers.
Also, I think it's not going to need a get_linkerrors(), so wire up
all of these exported properties as conditional on the underlying
function support.
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Use the kthread_ API instead of opencoding lots of hairy code for kernel
thread creation and teardown.
Also switch from semaphore-based thread wakeup to wake_up_process.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-By: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This device spews total rubbish to a REPORT LUNS command, so avoid
sending it one.
Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
I don't think these exist in silicon yet, but the aic94xx driver has a
register setting for them.
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Now unneeded ATA_FLAG_SRST sneaked into sil_3512 port info while
merging upstream-fixes. Kill it.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Kill kfree(id) in failure path of ata_dev_read_id(). id is not
dynamically allocated yet.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Cc: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Add a new PCI ID for SiI 3124. Reported by Silicon Image.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Cc: Carlos Pardo <Carlos.Pardo@siliconimage.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Modify RSCN handling to unregister rpis on lost FCP_TARGETs immediately
Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Fix panic caused by HBA resets and target side cable pulls
Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Make lpfc_els_rsp_rps_acc and lpfc_els_rsp_rpl_acc static
Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
