03 Oct, 2017
1 commit
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iscsi_session_teardown was the only user of this function. Function
currently is just short for iscsi_remove_session + iscsi_free_session.Signed-off-by: Khazhismel Kumykov
Acked-by: Chris Leech
Signed-off-by: Martin K. Petersen
31 Jul, 2015
1 commit
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The iSCSI session recovery_tmo setting is writeable in sysfs, but it's
also set every time a connection is established when parameters are set
from iscsid over netlink. That results in the timeout being reset to
the default value after every recovery.The DM multipath tools want to use the sysfs interface to lower the
default timeout when there are multiple paths to fail over. It has
caused confusion that we have a writeable sysfs value that seem to keep
resetting itself.This patch adds an in-kernel flag that gets set once a sysfs write
occurs, and then ignores netlink parameter setting once it's been
modified via the sysfs interface. My thinking here is that the sysfs
interface is much simpler for external tools to influence the session
timeout, but if we're going to allow it to be modified directly we
should ensure that setting is maintained.Signed-off-by: Chris Leech
Reviewed-by: Mike Christie
Signed-off-by: James Bottomley
18 Mar, 2014
1 commit
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iSCSI needs to be at least aware that a task involves protection
information. In case it does, after the transaction completed libiscsi
will ask the transport to check the protection status of the
transaction.Unlike transport errors, DIF errors should not prevent successful
completion of the transaction from the transport point of view, but
should be escelated to scsi mid-layer when constructing the scsi
result and sense data.check_protection routine will return the ascq corresponding to the DIF
error that occured (or 0 if no error happened).return ascq:
- 0x1: GUARD_CHECK_FAILED
- 0x2: APPTAG_CHECK_FAILED
- 0x3: REFTAG_CHECK_FAILEDSigned-off-by: Sagi Grimberg
Signed-off-by: Alex Tabachnik
Signed-off-by: Roland Dreier
20 Dec, 2013
1 commit
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Add transport_iscsi hooks to get aggregate host statistics.
The statistics include MAC, TCP/IP & iSCSI statistics.Signed-off-by: Lalit Chandivade
Signed-off-by: Vikas Chaudhary
Reviewed-by: Mike Christie
Signed-off-by: James Bottomley
17 Dec, 2013
1 commit
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Added support to display and update additional network parameters
through iscsiadm.Signed-off-by: Harish Zunjarrao
Signed-off-by: Adheer Chandravanshi
Signed-off-by: Vikas Chaudhary
Reviewed-by: Mike Christie
Signed-off-by: James Bottomley
25 Oct, 2013
1 commit
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For offload iSCSI like qla4xxx, CHAP entries are stored in adapter's
flash.
This patch adds support to add/update CHAP entries in adapter's flash
using iscsi tools, like Open-iSCSI.Signed-off-by: Adheer Chandravanshi
Signed-off-by: Vikas Chaudhary
Signed-off-by: James Bottomley
10 May, 2013
1 commit
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This fixes a bug where the iscsi class/driver did not do a put_device
when a sess/conn device was found. This also simplifies the interface
by not having to pass in some arguments that were duplicated and did
not need to be exported.Reported-by: Zhao Hongjiang
Signed-off-by: Mike Christie
Acked-by: Vikas Chaudhary
Signed-off-by: James Bottomley
12 Apr, 2013
1 commit
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This patch allows iscsiadm to manage iSCSI target information stored on
adapter flash on per host basis.The sysfs entries will look as cited below:
/sys/bus/iscsi_flashnode/devices/flashnode_sess-:/
/sys/bus/iscsi_flashnode/devices/flashnode_conn-::/Signed-off-by: Adheer Chandravanshi
Signed-off-by: Manish Rangankar
Signed-off-by: Vikas Chaudhary
Signed-off-by: James Bottomley
01 Mar, 2012
1 commit
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For offload iSCSI like qla4xxx CHAP entries are stored in FLASH.
This patch adds support to list CHAP entries stored in FLASH and
delete specified CHAP entry from FLASH using iscsi tools.Signed-off-by: Nilesh Javali
Signed-off-by: Vikas Chaudhary
Reviewed-by: Mike Christie
Signed-off-by: James Bottomley
19 Feb, 2012
3 commits
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Added ping support for iscsi adapter, application can use this
interface for diagnostic network connection.Signed-off-by: Vikas Chaudhary
Reviewed-by: Mike Christie
Signed-off-by: James Bottomley -
Added support to post kernel host event to application using
netlink interface.Signed-off-by: Vikas Chaudhary
Reviewed-by: Mike Christie
Signed-off-by: James Bottomley -
sysfs patch to view port_state:
/sys/class/iscsi_host/host*/port_statesysfs patch to view port_speed:
/sys/class/iscsi_host/host*/port_speedSigned-off-by: Vikas Chaudhary
Reviewed-by: Mike Christie
Signed-off-by: James Bottomley
11 Jan, 2012
1 commit
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SCSI updates for post 3.2 merge window
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (67 commits)
[SCSI] lpfc 8.3.28: Update driver version to 8.3.28
[SCSI] lpfc 8.3.28: Add Loopback support for SLI4 adapters
[SCSI] lpfc 8.3.28: Critical Miscellaneous fixes
[SCSI] Lpfc 8.3.28: FC and SCSI Discovery Fixes
[SCSI] lpfc 8.3.28: Add support for ABTS failure handling
[SCSI] lpfc 8.3.28: SLI fixes and added SLI4 support
[SCSI] lpfc 8.3.28: Miscellaneous fixes in sysfs and mgmt interfaces
[SCSI] mpt2sas: Removed redundant calling of _scsih_probe_devices() from _scsih_probe
[SCSI] mac_scsi: Remove obsolete IRQ_FLG_* users
[SCSI] qla4xxx: Update driver version to 5.02.00-k10
[SCSI] qla4xxx: check for FW alive before calling chip_reset
[SCSI] qla4xxx: Fix qla4xxx_dump_buffer to dump buffer correctly
[SCSI] qla4xxx: Fix the IDC locking mechanism
[SCSI] qla4xxx: Wait for disable_acb before doing set_acb
[SCSI] qla4xxx: Don't recover adapter if device state is FAILED
[SCSI] qla4xxx: fix call trace on rmmod with ql4xdontresethba=1
[SCSI] qla4xxx: Fix CPU lockups when ql4xdontresethba set
[SCSI] qla4xxx: Perform context resets in case of context failures.
[SCSI] iscsi class: export pid of process that created
[SCSI] mpt2sas: Remove unused duplicate diag_buffer_enable param
...
04 Jan, 2012
1 commit
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Signed-off-by: Al Viro
15 Dec, 2011
1 commit
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There could be multiple userspace entities creating/destroying/
recoverying sessions and also the kernel's iscsi drivers could
be doing this too. If the userspace apps do try to manage the kernel
ones it can get the driver/fw out of sync and cause the user to
loose the root disk, oopses or ping ponging becasue userspace
wants to do one thing but the kernel manager thought we
are trying to do another.This patch fixes the problem by just exporting the pid of
the entity that created the session. Userspace programs like
iscsid, iscsiadm, iscsistart, qlogic's tools, etc, can then
figure out which sessions they own and only manage them.Signed-off-by: Mike Christie
Signed-off-by: James Bottomley
20 Oct, 2011
2 commits
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This has the driver use helpers for a common operation and fixes
a issue where if multiple iscsi params are sent they could be
sent at offsets that cause unaligned accesses. The nla helpers
account for the padding needed to align properly for the driver.Signed-off-by: Mike Christie
Signed-off-by: James Bottomley -
Replaced the iscsi_get_next_target_id with IDA to make
target-id allocation efficient for iscsi offload driversThis patch should be applied after Jonathen Cameron Patch
"ida : simplified functions for id allocation"Signed-off-by: John Soni Jose
Signed-off-by: Mike Christie
Signed-off-by: James Bottomley
27 Aug, 2011
8 commits
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Offload drivers like qla4xxx will offload the sending of the login/logout
pdus still, so this patch adds iscsi_conn_login_event which is
used by these types of drivers to notify userspace that the connection
has changed state.It also adds a iscsi_is_session_online helper so the lld
can query the sessions state field.Signed-off-by: Manish Rangankar
Signed-off-by: Lalit Chandivade
Signed-off-by: Mike Christie
Signed-off-by: James Bottomley -
This patch adds bsg support to the iscsi class. There is only
1 request, the host vendor one, supported. It is expected that
this would be used for things like flash updates.This patch is made over this one
http://marc.info/?l=linux-scsi&m=131149780020992&w=2Signed-off-by: Mike Christie
Signed-off-by: James Bottomley -
The iscsi class currently does not support writable sysfs
attrs for LLD sysfs settings. This patch converts the
iscsi class and driver's host attrs to use the attribute
container sysfs group and the sysfs group's is_visible callout
to be able to support readable or writable sysfs attrs.Signed-off-by: Mike Christie
Signed-off-by: James Bottomley -
We can replace the iface param mask with the
attr_is_visible callback.Signed-off-by: Mike Christie
Signed-off-by: James Bottomley -
The iscsi class currently does not support writable sysfs
attrs for LLD sysfs settings. This patch converts the
iscsi class and driver's session attrs to use the attribute
container sysfs group and the sysfs group's is_visible callout
to be able to support readable or writable sysfs attrs.Signed-off-by: Mike Christie
Signed-off-by: James Bottomley -
The iscsi class currently does not support writable sysfs
attrs for LLD sysfs settings. This patch converts the
iscsi class and drivers to use the attribute container
sysfs group and the sysfs group's is_visible callout
to be able to support readable or writable sysfs attrs.Signed-off-by: Mike Christie
Signed-off-by: James Bottomley -
A iscsi host can have multiple interfaces. This patch
adds a new iface iscsi class for this. It exports the
network settings now, and will be extended to also
export iscsi initiator port settings like the isid
and initiator name for drivers that can support multiple
initiator ports.Based on patch from Lalit Chandivade.
Signed-off-by: Mike Christie
Signed-off-by: James Bottomley -
Allows user space (iscsiadm) to send down network configuration
parameters for LLD to set private network configuration on the iSCSI
adapters.Based on patch from Lalit Chandivade.
Signed-off-by: Mike Christie
Signed-off-by: James Bottomley
25 Feb, 2011
3 commits
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For drivers using the ep callbacks the addr and port
are attached to the endpoint instead of the conn.
This adds a callout to the iscsi_transport to get
ep values. It also adds locking around the get
param call to make sure that ep_disconnect does
not free the LLD's ep interconnect structs from
under us (the ep has a refcount so it will not
go away but the LLD may have structs from other
subsystems that are not allocated in the ep so
we need to protect them from getting freed).Signed-off-by: Mike Christie
Signed-off-by: James Bottomley -
The active variable on the iscsi_cls_conn is not used
so this patch removes it.Signed-off-by: Mike Christie
Signed-off-by: James Bottomley -
When iscsid restarts it does not know the connection's
endpoint, so it is getting leaked. This fixes the problem
by having the iscsi class force a disconnect before a
new connection is bound.Signed-off-by: Mike Christie
Signed-off-by: James Bottomley
28 Jul, 2010
1 commit
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wait for session to come online in eh_device_reset_handler
and eh_target_reset_handlerSigned-off-by: Mike Christie
Signed-off-by: Vikas Chaudhary
Signed-off-by: Ravi Anand
Signed-off-by: James Bottomley
09 Jun, 2009
1 commit
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Add ISCSI_NETLINK messages for iSCSI NICs to get information such as
path from userspace. Original iscsid messages are now always sent as
multicast to group 1. The new messages are sent to group 2.The multicast changes were made by Mike Christie.
Signed-off-by: Michael Chan
Signed-off-by: Benjamin Li
Signed-off-by: Mike Christie
Signed-off-by: James Bottomley
24 May, 2009
1 commit
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When we create the tcp/ip connection by calling ep_connect, we currently
just go by the routing table info.I think there are two problems with this.
1. Some drivers do not have access to a routing table. Some drivers like
qla4xxx do not even know about other ports.2. If you have two initiator ports on the same subnet, the user may have
set things up so that session1 was supposed to be run through port1. and
session2 was supposed to be run through port2. It looks like we could
end with both sessions going through one of the ports.Fixes for cxgb3i from Karen Xie.
Signed-off-by: Mike Christie
Signed-off-by: James Bottomley
14 Mar, 2009
2 commits
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We do not need to have llds set the host no for the session's
parent, because we know the session's parent is going to be
the host. This removes it from the session creation callback
and converts the drivers.Signed-off-by: Mike Christie
Signed-off-by: James Bottomley -
We never should hit the lock up that is spit out when
lock dep is on and we logout. But we have been using the
shost work queue in a odd way. This patch has us use the
work queue for scanning instead of creating our own,
and this ends up also killing the lock dep warnings.Signed-off-by: Mike Christie
Signed-off-by: James Bottomley
30 Dec, 2008
3 commits
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We do not need to allocate a itt for data_out, so this
passes the opcode to the alloc_pdu callout.Signed-off-by: Mike Christie
Signed-off-by: James Bottomley -
bnx2i and cxgb3i need to encode LLD info in the itt so that
the firmware/hardware can process the pdu. This patch allows
the LLDs to encode info in the task->hdr->itt that they
setup in the alloc_pdu callout (any resources that are allocated
can be freed with the pdu in the cleanup_task callout). If
the LLD encodes info in the itt they should implement a
parse_pdu_itt callout. If parse_pdu_itt is not implemented
libiscsi will do the right thing for the LLD.Signed-off-by: Mike Christie
Signed-off-by: James Bottomley -
cxgb3i offloads data transfers. It does not offload the entire scsi/iscsi
procssing like qla4xxx and it does not offload the iscsi sequence
processing like how bnx2i does. cxgb3i relies on iscsi_tcp for the
seqeunce handling so this changes how we transfer unsolicitied data by
adding a common r2t struct and helpers.Signed-off-by: Mike Christie
Signed-off-by: James Bottomley
13 Oct, 2008
2 commits
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Some endpoint code was using unsigned int and some
was using uint64_t. This converts it all to uint64_t.Signed-off-by: Mike Christie
Signed-off-by: James Bottomley -
If the driver knows when hardware is removed like with cxgb3i,
bnx2i, qla4xxx and iser then we will want to remove the sessions/devices
that are bound to that device before removing the host.cxgb3i and in the future bnx2i will remove the host and that will
remove all the sessions on the hba. iser can call iscsi_kill_session
when it gets an event that indicates that a hca is removed.
And when qla4xxx is hooked in to the lib (it is only hooked into
the class right now) it can call iscsi remove host like the
partial offload card drivers.Signed-off-by: Mike Christie
Signed-off-by: James Bottomley
22 Jul, 2008
1 commit
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Kobjects do not have a limit in name size since a while, so stop
pretending that they do.Signed-off-by: Kay Sievers
Signed-off-by: Greg Kroah-Hartman
12 Jul, 2008
1 commit
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Add sysfs representation for the endpoint, so userspace can match the
host and session to the endpoint. This will allow us to set the host's
parent correctly at host creation time.The next patches will convert tcp and iser, and fix iser's dma_mask
bug.Signed-off-by: Mike Christie
Signed-off-by: James Bottomley