Commit Graph

55 Commits

Author SHA1 Message Date
Vikas Chaudhary 18e2df938c [SCSI] qla4xxx: Fix Spell check.
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-07-20 08:58:35 +01:00
Tej Parkash 068237c87c [SCSI] qla4xxx: Capture minidump for ISP82XX on firmware failure
Added support to capture dump (Minidump) which allows us to
catpure a snapshot of the firmware/hardware states at the time
of firmware failure

Signed-off-by: Tej Parkash <tej.parkash@qlogic.com>
Signed-off-by: Shyam Sundar <shyam.sundar@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-05-30 13:00:28 +04:00
Manish Rangankar 3d948e2a21 [SCSI] qla4xxx: Fix kernel panic during discovery logout.
Update the session and connection parameter before sending
connection logged in event to iscsiadm because in some
scenario logout may come in just after we send the logged
in event to user, which free up session, connection and ddb,
but DPC is still updating session and connect parameter
which can lead to panic.

Signed-off-by: Manish Rangankar <manish.rangankar@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-05-30 12:56:08 +04:00
Vikas Chaudhary c0b9d3f750 [SCSI] qla4xxx: Added ping support
Added ping support for network connection diagnostics.

Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-19 09:35:23 -06:00
Sarang Radke 7876499932 [SCSI] qla4xxx: Clear the RISC interrupt bit during FW init
This patch fix kernel panic during kdump.

Signed-off-by: Sarang Radke <sarang.radke@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-01-16 12:33:24 +04:00
Tomas Henzl e1cd89c507 [SCSI] qla4xxx: a small loop fix
When the qla4xxx_get_fwddb_entry returns QLA_ERROR
the nex_idx is not updated,
      for (idx = 0; idx < max_ddbs; idx = next_idx) {
                ret = qla4xxx_get_fwddb_entry(ha, idx, NULL, 0, NULL,
                                              &next_idx, &state, &conn_err,
                                                NULL, NULL);
                if (ret == QLA_ERROR)
                        continue;

This means there is a risk that the 'idx < max_ddbs' condition will never
met and the loop will loop forever.
Fix this by explicitly increasing the next_idx in the error condition.

Maybe a break instead of continue is more appropriate, leaving the decision
on the qlogic maintainer.

Signed-off-by: Tomas Henzl <thenzl@redhat.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2011-12-14 15:40:43 +04:00
Mike Christie 13483730a1 [SCSI] qla4xxx: fix flash/ddb support
With open-iscsi support, target entries persisted in the FLASH were not
login. Added support in the qla4xxx driver to do the login on probe
time to the target entries saved in the FLASH by user.
With this changes upgrade to the new kernel with open-iscsi support in
qla4xxx will ensure users original target entries login on driver load

Signed-off-by: Manish Rangankar <manish.rangankar@qlogic.com>
Signed-off-by: Ravi Anand <ravi.anand@qlogic.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2011-12-14 15:40:43 +04:00
Manish Rangankar 5283bfb64e [SCSI] qla4xxx: Fixed device blocked issue on link up-down.
Devices are getting blocked during continuous link up and down.
Solution is, during relogin unblock the session, using iscsi_conn_start,
before sending connection logged in event.

JIRA Key: UPSISCSI-138

Signed-off-by: Manish Rangankar <manish.rangankar@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2011-10-16 11:10:45 -05:00
Manish Rangankar 98270ab45c [SCSI] qla4xxx: Fixed session destroy issue on link up-down.
During link down, iscsid tries to do re-login to failed session. In case of
link down-up-down, LLD was sending connection login failed event to iscsid,
which is destroying the session, instead we have to continue re-login by
sending connection err event.

JIRA Key: UPSISCSI-134

Signed-off-by: Manish Rangankar <manish.rangankar@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2011-10-16 11:10:27 -05:00
Manish Rangankar 736cf369c9 [SCSI] qla4xxx: Clear DDB map index on the basis of AEN.
Unable to login to session if login-logout issued consecutively for
multiple sessions. Solution is to clear idx in DDB map on the basis
of no-active connection asynchronous event (AEN).

JIRA Key: UPSISCSI-135

Signed-off-by: Manish Rangankar <manish.rangankar@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2011-10-16 11:10:06 -05:00
Lalit Chandivade 166dd20d79 [SCSI] qla4xxx: Free Device Database (DDB) reserved by FW
Firmware reserves DDBs if there are entries in the FLASH.
So there are no free DDBs left when a iSCSI login is initiated
by user space tool like iscsiadm.
Since now login is not controlled by firmware, LLD need to free
up the DDBs after firmware init. This will ensure free DDBs are
available for iSCSI logins using iscsiadm.

JIRA Key: UPSISCSI-151

Signed-off-by: Lalit Chandivade <lalit.chandivade@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2011-10-16 11:09:49 -05:00
Vikas Chaudhary 91ec7cec4a [SCSI] qla4xxx: Added vendor specific sysfs attributes
Added board_id, fw_state, phy_port_cnt, phy_port_num,
iscsi_func_cnt, hba_model

Signed-off-by: Harish Zunjarrao <harish.zunjarrao@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2011-08-27 08:36:34 -06:00
Manish Rangankar 0e7e85019c [SCSI] qla4xxx: Remove reduandant code after open-iscsi integration.
1. Remove device database entry (ddb) state.
2. Remove device database (DDB) list building.
                With open-iscsi integration the logins to the target devices are
        handled by the user space. So the information of target is now
        maintained in the iscsi_session object. This is handled at
        libiscsi level so there is no need to maintain a list of DDBs in
        the qla4xxx LLD.
3. qla4xxx: Remove add_device_dynamically.
                Since autologin in FW is disabled with open-iscsi integration,
        driver will never get an AEN for which driver has not requested
        a DDB index. So remove the add_device_dynamically function.
4. Remove qla4xxx_tgt_dscvr
        Since firmware autologin is disabled this function will not work.
        Now user has the ability to do the target discovery and login to
        each target individually. Firwmare will not do the login on its own.
5. Remove relogin related code
        All relogin is handled by userspace now. qla4xxx just need to
        notify userspace of a connection failure, this triggers the
        relogin.
6. Remove add_session and alloc_session
        Now qla4xxx uses iscsi_session_setup that would do the necessary
        allocations for session and ddb_entry.

Signed-off-by: Manish Rangankar <manish.rangankar@qlogic.com>
Signed-off-by: Lalit Chandivade <lalit.chandivade@qlogic.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2011-08-27 08:36:26 -06:00
Manish Rangankar b3a271a94d [SCSI] qla4xxx: support iscsiadm session mgmt
Add scsi_transport_iscsi hooks in qla4xxx to support
iSCSI session management using iscsiadm.

This patch is based on discussion here
http://groups.google.com/group/open-iscsi/browse_thread/thread/e89fd888baf656a0#

Now users can use iscsiadm to do target discovery and do login/logout to
individual targets using the qla4xxx iSCSI class interface.

This patch leaves some dead code, but to make it easier to review
we are leaving and in the next patch we will remove that old code.

V2 - NOTE: Added code to avoid waiting for AEN during login/logout
in the driver, instead added a kernel to user event
to notify iscsid about login status. Because of this
iscsid will not get blocked.

Signed-off-by: Manish Rangankar <manish.rangankar@qlogic.com>
Signed-off-by: Lalit Chandivade <lalit.chandivade@qlogic.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2011-08-27 08:36:24 -06:00
Vikas Chaudhary 2bab08fc77 [SCSI] qla4xxx: Added new "struct ipaddress_config"
- Move all ipaddress related param to "struct ipaddress_config"
  from "struct scsi_qla_host"
- update function - qla4xxx_update_local_ip()
- Rename IPOPT_IPv4_PROTOCOL_ENABLE to IPOPT_IPV4_PROTOCOL_ENABLE

Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
[update for new ISCSI_IFACE values]
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2011-08-27 08:35:59 -06:00
Harish Zunjarrao 7ad633c06b [SCSI] qla4xxx: Added vendor specific sysfs attributes
Added fw_version, serial_num, iscsi version and boot loader version
sysfs attributes.

Signed-off-by: Harish Zunjarrao <harish.zunjarrao@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <jbottomley@parallels.com>
2011-05-24 12:40:23 -04:00
Lucas De Marchi 25985edced Fix common misspellings
Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
2011-03-31 11:26:23 -03:00
Vikas Chaudhary fc7657c9d9 [SCSI] qla4xxx: cleanup function qla4xxx_process_ddb_changed
We don't need to check ddb old state we can take action
based on ddb new state.

Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2011-03-23 12:53:01 -05:00
Vikas Chaudhary 58da51dcfc [SCSI] qla4xxx: remove unused ddb flag DF_NO_RELOGIN
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2011-03-23 12:53:00 -05:00
Karen Higgins 7edd9a7b28 [SCSI] qla4xxx: cleanup DDB relogin logic during initialization
Driver has capability to add device dynamically and present
them to OS, driver no longer need to wait for DDBs to come
online during driver initialization.
Driver still issues a relogin for DDBs that are not online,
but no longer wait for DDB to come online.

Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: Karen Higgins <karen.higgins@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2011-03-23 12:52:59 -05:00
Vikas Chaudhary 9640de2099 [SCSI] qla4xxx: cleanup qla4xxx_initialize_ddb_list()
Remove process all aen code from qla4xxx_initialize_ddb_list()
as DPC activities should be done in DPC only.

Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2011-03-23 12:48:26 -05:00
Vikas Chaudhary 7d01d0698f [SCSI] qla4xxx: Updated the Copyright header
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: Ravi Anand <ravi.anand@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-12-21 12:24:43 -06:00
Vikas Chaudhary 3710c60c09 [SCSI] qla4xxx: free_irqs on failed initialize_adapter
Since interrupts are registered in start_firmware(load_risc) for 82xx,
free them if init_firmware fails.

Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: Karen Higgins <karen.higgins@qlogic.com>
Signed-off-by: Ravi Anand <ravi.anand@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-10-25 14:50:08 -05:00
Vikas Chaudhary f581a3f79c [SCSI] qla4xxx: Trivial cleanup
* cleanup function qla4xxx_recovery_timeout
	- No need to wakeup dpc thread from function
	qla4xxx_recovery_timeout() as we are not doing anything
	in do_dpc() thread when wakeup from
	qla4xxx_recovery_timeout()

* cleanup function qla4xxx_wait_for_hba_online
	- Remove hard coded value from qla4xxx_wait_for_hba_online().

* cleanup function qla4xxx_start_firmware_from_flash
	- display seconds

* cleanup function  qla4_8xxx_load_risc
	- Remove redundant code.

* cleanup function qla4xxx_get_firmware_status
	- update debug statement

* cleanup function qla4_8xxx_try_start_fw
	- update return status

Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: Ravi Anand <ravi.anand@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-10-25 14:46:35 -05:00
Lalit Chandivade 2232be0d57 [SCSI] qla4xxx: Added AER support for ISP82xx
Added support for PCI error handling

Signed-off-by: Lalit Chandivade <lalit.chandivade@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: Poornima Vonti <poornima.vonti@qlogic.com>
Signed-off-by: Ravi Anand <ravi.anand@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-08-06 12:00:40 -05:00
Lalit Chandivade 9d4946f89f [SCSI] qla4xxx: Stop firmware before doing init firmware.
If BIOS is enabled then drivers init firmware fails since
BIOS has done the init once.

Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: Ravi Anand <ravi.anand@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-08-06 11:58:07 -05:00
Vikas Chaudhary 3013cea83e [SCSI] qla4xxx: set correct value in sess->recovery_tmo
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: Ravi Anand <ravi.anand@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-08-06 11:56:04 -05:00
Linus Torvalds 3cfc2c42c1 Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (48 commits)
  Documentation: update broken web addresses.
  fix comment typo "choosed" -> "chosen"
  hostap:hostap_hw.c Fix typo in comment
  Fix spelling contorller -> controller in comments
  Kconfig.debug: FAIL_IO_TIMEOUT: typo Faul -> Fault
  fs/Kconfig: Fix typo Userpace -> Userspace
  Removing dead MACH_U300_BS26
  drivers/infiniband: Remove unnecessary casts of private_data
  fs/ocfs2: Remove unnecessary casts of private_data
  libfc: use ARRAY_SIZE
  scsi: bfa: use ARRAY_SIZE
  drm: i915: use ARRAY_SIZE
  drm: drm_edid: use ARRAY_SIZE
  synclink: use ARRAY_SIZE
  block: cciss: use ARRAY_SIZE
  comment typo fixes: charater => character
  fix comment typos concerning "challenge"
  arm: plat-spear: fix typo in kerneldoc
  reiserfs: typo comment fix
  update email address
  ...
2010-08-04 15:31:02 -07:00
Vikas Chaudhary 3b2bef1fc8 [SCSI] iscsi_transport: added new iscsi_param to display target alias in sysfs
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: Ravi Anand <ravi.anand@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-07-28 09:05:25 -05:00
Karen Higgins bb6f7d5b71 [SCSI] qla4xxx: wait for device_ready before device discovery
Signed-off-by: Karen Higgins <karen.higgins@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-07-28 09:05:24 -05:00
Vikas Chaudhary c2660df310 [SCSI] qla4xxx: replace all dev_info, dev_warn, dev_err with ql4_printk
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: Ravi Anand <ravi.anand@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-07-28 09:05:23 -05:00
Vikas Chaudhary f4f5df23bf [SCSI] qla4xxx: Added support for ISP82XX
Signed-off-by: Vikas Chaudhary <Vikas Chaudhary@qlogic.com>
Signed-off-by: Karen Higgins <karen.higgins@qlogic.com>
Signed-off-by: Ravi Anand <ravi.anand@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-07-28 09:04:23 -05:00
Prasanna Mumbai beabe7c183 [SCSI] qla4xxx: Fix the freeing of the buffer allocated for DMA
Fixed the DMA allocated memory freeing which wasn't taken care
in many cases.

Signed-off-by: Prasanna Mumbai <prasanna.mumbai@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: Ravi Anand <ravi.anand@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-07-27 12:04:34 -05:00
Vikas Chaudhary b966346c34 [SCSI] qla4xxx: correct return status in function qla4xxx_fw_ready
Handle fw_state "auto discovery in progress" correctly
to avoid marking adapter as offline.

Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: Ravi Anand <ravi.anand@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-07-27 12:04:33 -05:00
Vikas Chaudhary 363863256a [SCSI] qla4xxx: unblock iscsi session after setting ddb state online.
Once the device goes *missing*, driver blocks the session
ie iscsi_block_session() to stall the I/O.  So after device
comes back *online*, driver needs to unblock the session ie
iscsi_unblock_session(), else I/Os will fail even if
ddb_state is ONLINE.

Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: Ravi Anand <ravi.anand@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-07-27 12:04:33 -05:00
Vikas Chaudhary e349fa3536 [SCSI] qla4xxx: set driver ddb state correctly in process_ddb_changed
If fw ddb state is ACTIVE mark driver ddb stat as ONLINE and
unblock iscsi session.

Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: Ravi Anand <ravi.anand@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-07-27 12:04:32 -05:00
Uwe Kleine-König 421f91d21a fix typos concerning "initiali[zs]e"
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2010-06-16 18:05:05 +02:00
Vikas Chaudhary 821d6e5413 [SCSI] qla4xxx: do not retry login to CHAP auth failed targets
Per RFC 3720, Login Response Status Code 0x02 should not be retried.
Condensed connection error checking code to a single routine, and
added check for status class 0x02.

Signed-off-by: Karen Higgins <karen.higgins@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: Ravi Anand <ravi.anand@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-05-02 15:39:49 -04:00
Vikas Chaudhary c301b0266c [SCSI] qla4xxx: Updated firmware ready timeout algorithm
Updated firmware ready timeout algorithm to prevent
long delays and use jiffies to time out instead of
counter. Also use msleep_interruptible instead of msleep.

Signed-off-by: Karen Higgins <karen.higgins@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: Ravi Anand <ravi.anand@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-05-02 15:39:38 -04:00
Vikas Chaudhary 065aa1b4db [SCSI] qla4xxx: set device state as per Link UP and LINK DOWN
Link Down -> Mark all devices missing
 Previously, the driver took no action on a Link Down,
 and waited for the I/O on a dead connection to timeout
 in the firmware before marking the DDB missing.

Link Up -> Mark all devices online
 F/W will do auto login to all the devices only once.
 After that its the responsibility of the driver to
 relogin to devices whenever there is :
        * Any sort of connection failure or
        * KATO expires indicating target has logged out or
        * I/O times out etc.

Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: Karen Higgins <karen.higgins@qlogic.com>
Signed-off-by: Ravi Anand <ravi.anand@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-05-02 15:39:20 -04:00
Vikas Chaudhary 2a49a78ed3 [SCSI] qla4xxx: added IPv6 support.
Signed-off-by: Karen Higgins <karen.higgins@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: Ravi Anand <ravi.anand@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-05-02 15:38:19 -04:00
Mike Christie b3925514f6 [SCSI] qla4xxx: fix compile warning due to invalid extHwConfig
If the nvram is invalid qla4xxx tries to set Asuint32_t
based on the card type. If the card type is not listed
then Asuint32_t is going to be gargabe. This just fixes
that if/elseif by adding a else to catch the case for
new hardware that might not be listed yet.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-02-17 13:40:19 -06:00
Mike Christie 41bbdbebbb [SCSI] qla4xxx: do not reuse session when connecting to different target port
qla4xxx does not check the I_T nexus values correctly
so it ends up creating one session to the target. If
a portal should disappear or they should be reported
in different order the driver will think it is already
logged in when it could now be speaking to a different
target portal or accessing it through a different
initiator port (iscsi initiator port is not tied to
hardware and is just the initiator name plus isid
so you could end up with multiple ports through one
host).

This patch has the driver check the iscsi scsi port
values when matching sessions (we do not check
the initiator name because that is static). It results
in a portal from each target portal group getting
logged into instead of just one per target. In the future
the firmware should hopefully send us notification of other
sessions that are created to other portals within the
same tpgt and the sessions should have different isids.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2009-01-25 07:55:13 -06:00
Mike Christie 50a29aec9c [SCSI] qla4xxx: fix host reset dpc race
The host reset callout could be starting to reset the hba at the same
time the dpc thread is. This creates lots of problems because they both
want to do wierd things with the firmware and interrupts, etc.

This patch just has the host reset function fully shutdown the dpc
thread before resetting the hba.

This patch also moves the setting of the session online bit to fix
a potential race with the dpc thread and iscsi recovery thread.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Acked-by: David C Somayajulu <david.somayajulu@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-03-05 12:03:17 -06:00
Mike Christie b635930de9 [SCSI] qla4xxx: directly call iscsi recovery functions
Qla4xxx can just call the iscsi recovery functions directly.
There is no need for userspace to do this for qla4xxx, because
we do not use the mutex to iterate over devices anymore and iscsi_block
/unblock_session can be called from interrupt context or the dpc thread.
And having userspace do this just creates uneeded headaches for qla4xxx root
situations where the session may experience problems. For example
during the kernel shutdown the scsi layer wants to send sync caches, but at
this time userspace is not up (iscsid is not running), so we cannot
recover from the problem.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Cc: David Somayajulu <david.somayajulu@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-02-07 18:02:34 -06:00
Joe Perches b1c118121a drivers/scsi/: Spelling fixes
Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Acked-by: James Smart <james.smart@emulex.com>
Acked-by: Darrick J. Wong <djwong@us.ibm.com>
Acked-by: David Somayajulu <david.somayajulu@qlogic.com>
Acked-by: Mark Salyzyn <mark_salyzyn@adaptec.com>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
2008-02-03 17:28:22 +02:00
Mike Christie 2697478903 [SCSI] libiscsi: fix shutdown
We were using the device delete sysfs file to remove each device
then logout. Now in 2.6.21 this will not work because
the sysfs delete file returns immediately and does not wait for
the device removal to complete. This causes a hang if a cache sync
is needed during shutdown. Before .21, that approach had other
problems, so this patch fixes the shutdown code so that we remove the target
and unbind the session before logging out and shut down the session

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-01-11 18:28:33 -06:00
Robert P. J. Day 3a4fa0a25d Fix misspellings of "system", "controller", "interrupt" and "necessary".
Fix the various misspellings of "system", controller", "interrupt" and
"[un]necessary".

Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
2007-10-19 23:10:43 +02:00
David C Somayajulu 46235e600a [SCSI] qla4xxx: allow hba to be online when initiator ip address is uninitialized
This patch provides the following:

1. remove warning ignoring the return value of pci_set_mwi()
2. allows HBA to be online when the initiator ip address is uninitialized.

Signed-off-by: David Somayajulu <david.somayajulu@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2007-06-17 14:54:50 -05:00
David C Somayajulu 92b7273608 [SCSI] qla4xxx: ql4_init.c bugfixes
In qla4xxx_get_ddb_entry() and qla4xxx_add_device_dynamically()
differentiate between a target which has been newly added vs a target
which went offline temporarily and is online again.  In
qla4xxx_build_ddb_list() firmware ddb state needs to be updated by
calling qla4xxx_get_ddb_entry(). Fix qla4x00_pci_config() and clean up
code.

Signed-off-by: David Somayajulu <david.somayajulu@qlogic.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2007-05-26 11:47:35 -05:00